CN103439370B - The temperature/humiditydetection detection system of drying course - Google Patents
The temperature/humiditydetection detection system of drying course Download PDFInfo
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- CN103439370B CN103439370B CN201310335337.3A CN201310335337A CN103439370B CN 103439370 B CN103439370 B CN 103439370B CN 201310335337 A CN201310335337 A CN 201310335337A CN 103439370 B CN103439370 B CN 103439370B
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Abstract
The present invention relates to a kind of multichannel temperature/humiditydetection detection system.The present invention includes power module, control module, detection module, wireless communication module and data memory module.Power module, for powering for other modules; Control module, for controlling detection module, wireless communication module, data memory module, to read and analyzing and processing detection module detects the instant warm and humid angle value that collects and compares process with the setting value in data memory module; Data memory module, for storing the humiture data detected in real time; The present invention can the warm and humid angle value of multi-way detecting drying course, which enhances precision and the accuracy thereof of Temperature and Humidity; And carry out Real-Time Monitoring by radio communication, by detected value and the process of setting value com-parison and analysis, when higher than set warm and humid angle value, automatically corresponding control signal can be exported, overcome existing temperature/humiditydetection detection system inefficiency, poor real, the problem that high intelligent control degree is low.
Description
Technical field
The invention belongs to technical field of industrial control, relate to the temperature/humiditydetection detection system of drying course, a kind of based on AVR Atmega16 single-chip microcomputer multichannel temperature/humiditydetection detection system specifically.
Background technology
Temperature and humidity is parameter common and the most basic in commercial production, often need carry out detecting & monitoring to humiture in process of production.In commercial production of today, drying course is applied all to some extent in many technological process of productions, the temperature that must strictly will control environment in drying course and relative humidity, makes it remain in certain scope.Otherwise the normal production course of reaction that will affect technique even may cause accident to occur.
Existing temperature and humidity measurement is at the built-in Hygrothermograph of drying oven, and the instant actual humiture in reading displayed drying oven, these all depend on and manually operate, and waste time and energy, inefficiency, poor accuracy, poor real, and high intelligent control degree is low.
Summary of the invention
In order to solve prior art Problems existing, the invention provides a kind of based on AVR Atmega16 single-chip microcomputer temperature/humiditydetection detection system, carry out multi-way detecting humiture data, then by wireless device be sent to the enterprising line number of main control computer according to the show, Data Analysis Services carries out Real-Time Monitoring automatically.
The present invention includes power module, control module, detection module, wireless communication module and data memory module.Power module is control module, detection module, and wireless communication module and data memory module are powered.Detection module carries out multi-channel sampling process to its humiture information of drying course, and simulating signal temperature-humidity signal being transformed into 0-5 volt sends into control module.Control module obtains by AD sample detecting the temperature-humidity signal that exported by sensor and carries out respective handling.Data memory module stores the data detecting gained; The humiture information transmission detected in drying unit shows to host computer by wireless communication module.
Power module comprises the first voltage stabilizing chip LM2940, the second voltage stabilizing chip LM1117, the first reverse voltage-stabilizing protection diode D1, the second reverse voltage-stabilizing protection diode D2, reverse connecting protection diode D3, the first filter capacitor C1, the second filter capacitor C2, the 3rd filter capacitor C3, the 4th filter capacitor C4, the 5th filter capacitor C5, the 6th filter capacitor C6, the 7th filter capacitor C7, the 8th filter capacitor C8, the first filter inductance L1, the first LED 1, first divider resistance R1, button S1.
The total power supply of 12V that one termination of button S1 is given, the anode of another termination reverse connecting protection diode D3 of button S1, the negative electrode of reverse connecting protection diode D3 respectively with the positive pole of the first filter capacitor C1, one end of first filter inductance L1 connects, the other end of the first filter inductance L1 and the first reverse voltage-stabilizing protection diode D1 negative electrode, one end of second filter capacitor C2 and the Vin pin of the first voltage stabilizing chip LM2940 connect, the negative pole of the first filter capacitor C1, the GND pin ground connection of the second filter capacitor C2 other end and the first voltage stabilizing chip LM2940, the Vout pin of the first voltage stabilizing chip LM2940 and one end of the 3rd filter capacitor C3, the positive pole of the 4th filter capacitor C4, the anode of the first LED 1 connects and 5V, the negative pole of the 3rd filter capacitor C3 other end and the 4th filter capacitor C4, one end of first divider resistance is connected on ground, the other end of the first divider resistance connects with the negative electrode of the first LED 1, the positive pole of the 5th filter capacitor C5, one end of 6th filter capacitor C6, the negative electrode of the second reverse voltage-stabilizing protection diode D2 connects with the Vin pin of the second voltage stabilizing chip LM1117, the negative pole of the 5th filter capacitor C5, the other end of the 6th filter capacitor C6 and the GND pin of the second voltage stabilizing chip LM1117 are connected on ground, the anode of the Vout pin of the second voltage stabilizing chip LM1117 and the second reverse voltage-stabilizing protection diode D2, one end of 7th filter capacitor C7, the positive pole of the 8th filter capacitor C8 is connected on 3.3V, the other end of the 7th filter capacitor C7 and the minus earth of the 8th filter capacitor C8.
Control module comprises control chip Atmega16, the 9th filter capacitor C9, the tenth filter capacitor C10,11 filter capacitor C11,12 filter capacitor C12, the 13 filter capacitor C13, the 14 filter capacitor C14, second divider resistance R2,3rd divider resistance R3, the 4th divider resistance R4, PNP triode Q1, hummer LS1, and clock crystal oscillator Y1.
No. 1 pin of control chip Atmega16 connects No. 6 pins of radio communication mold chip block NRF2401; No. 2 pins connect No. 7 pins of radio communication mold chip block NRF2401; No. 3 pins connect No. 5 pins of radio communication mold chip block NRF2401; No. 4 pins connect one end of the second divider resistance R2 and the positive pole of the 14 filter capacitor C14, the 5V operating voltage that another termination power module of the second divider resistance R2 provides, the minus earth of the 14 filter capacitor C14; No. 5 pins connect the 5V operating voltage that power module provides; No. 6 pin ground connection; No. 7 pins connect with one end of the 12 filter capacitor C12 and one end of clock crystal oscillator Y1; No. 8 pins connect with the other end of clock crystal oscillator Y1 and one end of the 13 filter capacitor C13, and the other end of the 12 filter capacitor C12 and the other end of the 13 filter capacitor C13 are connected on ground; No. 17 pins connect with the 5V operating voltage that one end and the power module of the 11 filter capacitor C11 provide; No. 18 pin ground connection; No. 29 pins connect with the other end of the 9th filter capacitor C9; No. 40 pins connect one end of the 4th divider resistance R4, the base stage of the 4th another termination of divider resistance R4 PNP triode Q1, the grounded collector of PNP triode Q1, emitter connects one end of hummer LS1 and one end of the 3rd divider resistance R3, the anode of another termination second LED 2 of hummer LS1 and 5V power supply, the negative electrode of the second LED 2 connects the other end of the 3rd divider resistance R3.
Detection module comprises 4 sensors, 8th current-limiting resistance R8, 9th current-limiting resistance R9, tenth current-limiting resistance R10, 11 current-limiting resistance R11, 12 current-limiting resistance R12, 13 current-limiting resistance R13, 14 current-limiting resistance R14, 15 current-limiting resistance R15, 16 current-limiting resistance R16, 17 current-limiting resistance R17, 18 current-limiting resistance R18, 19 current-limiting resistance R19, 20 current-limiting resistance R20, 21 current-limiting resistance R21, 22 current-limiting resistance R22, 23 current-limiting resistance R23, reverse connecting protection diode D4, reverse connecting protection diode D5, reverse connecting protection diode D6, reverse connecting protection diode D7, reverse connecting protection diode D8, reverse connecting protection diode D9, reverse connecting protection diode D10, reverse connecting protection diode D11, reverse connecting protection diode D12, reverse connecting protection diode D13, reverse connecting protection diode D14, reverse connecting protection diode D15, reverse connecting protection diode D16, reverse connecting protection diode D17, reverse connecting protection diode D18, reverse connecting protection diode D19.
No. 1 pin of first sensor connects the 12V voltage that power module provides; No. 2 pin ground connection of first sensor; No. 3 pins of first sensor connect one end of the 9th current-limiting resistance R9, the other end of the 9th current-limiting resistance R9 connects with the anode of one end of the 8th current-limiting resistance R8, reverse connecting protection diode D4, the negative electrode of reverse connecting protection diode D5, the negative electrode of reverse connecting protection diode D4 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D5, the other end of the 8th current-limiting resistance R8 connects with No. 37 pins of control chip Atmega16; No. 4 pins of first sensor connect one end of the 11 current-limiting resistance R11; the other end of the 11 current-limiting resistance R11 connects with the anode of one end of the tenth current-limiting resistance R10, reverse connecting protection diode D6, the negative electrode of reverse connecting protection diode D7; the negative electrode of reverse connecting protection diode D6 connects the 5V operating voltage that power module provides; the plus earth of reverse connecting protection diode D7, the other end of the tenth current-limiting resistance R10 connects with No. 36 pins of control chip Atmega16.
No. 1 pin of the second sensor connects the 12V voltage that power module provides; No. 2 pin ground connection of the second sensor; No. 3 pins of the second sensor connect one end of the 13 current-limiting resistance R13, the other end of the 13 current-limiting resistance R13 connects with the anode of one end of the 12 current-limiting resistance R12, reverse connecting protection diode D8, the negative electrode of reverse connecting protection diode D9, the negative electrode of reverse connecting protection diode D8 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D9, the other end of the 12 current-limiting resistance R12 connects with No. 35 pins of control chip Atmega16; No. 4 pins of the second sensor connect one end of the 15 current-limiting resistance R15; the other end of the 15 current-limiting resistance R15 connects with the anode of one end of the 14 current-limiting resistance R14, reverse connecting protection diode D10, the negative electrode of reverse connecting protection diode D11; the negative electrode of reverse connecting protection diode D10 connects the 5V operating voltage that power module provides; the plus earth of reverse connecting protection diode D11, the other end of the 14 current-limiting resistance R14 connects with No. 34 pins of control chip Atmega16.
No. 1 pin of the 3rd sensor connects the 12V voltage that power module provides; No. 2 pin ground connection of the 3rd sensor; No. 3 pins of the 3rd sensor connect one end of the 17 current-limiting resistance R17, the other end of the 17 current-limiting resistance R17 connects with the anode of one end of the 16 current-limiting resistance R16, reverse connecting protection diode D12, the negative electrode of reverse connecting protection diode D13, the negative electrode of reverse connecting protection diode D12 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D13, the other end of the 16 current-limiting resistance R16 connects with No. 33 pins of control chip Atmega16; No. 4 pins of the 3rd sensor connect one end of the 19 current-limiting resistance R19; the other end of the 19 current-limiting resistance R19 connects with the anode of one end of the 18 current-limiting resistance R18, reverse connecting protection diode D14, the negative electrode of reverse connecting protection diode D15; the negative electrode of reverse connecting protection diode D14 connects the 5V operating voltage that power module provides; the plus earth of reverse connecting protection diode D15, the other end of the 18 current-limiting resistance R18 connects with No. 32 pins of control chip Atmega16.
No. 1 pin of four-sensor connects the 12V voltage that power module provides; No. 2 pin ground connection of four-sensor; No. 3 pins of four-sensor connect one end of the 21 current-limiting resistance R21, the other end of the 21 current-limiting resistance R21 connects with the anode of one end of the 20 current-limiting resistance R20, reverse connecting protection diode D16, the negative electrode of reverse connecting protection diode D17, the negative electrode of reverse connecting protection diode D16 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D17, the other end of the 20 current-limiting resistance R20 connects with No. 31 pins of control chip Atmega16; No. 4 pins of four-sensor connect one end of the 23 current-limiting resistance R23; the other end of the 23 current-limiting resistance R23 connects with the anode of one end of the 22 current-limiting resistance R22, reverse connecting protection diode D18, the negative electrode of reverse connecting protection diode D19; the negative electrode of reverse connecting protection diode D18 connects the 5V operating voltage that power module provides; the plus earth of reverse connecting protection diode D19, the other end of the 22 current-limiting resistance R22 connects with No. 30 pins of control chip Atmega16.
What wireless communication module adopted is NRF2401 chip.
No. 1 pin ground connection of NRF2401 chip; No. 2 pins connect power module provides 3.3V operating voltage; No. 3 pins connect No. 42 pins of control chip Atmega16; No. 4 pins connect No. 44 pins of control chip Atmega16; No. 5 pins connect No. 3 pins of control chip Atmega16; No. 6 pins connect No. 1 pin of control chip Atmega16; No. 7 pins connect No. 2 pins of control chip Atmega16; No. 8 pins connect No. 41 pins of control chip Atmega16.
Data memory module comprises the 6th current-limiting resistance R6, the 7th current-limiting resistance R7, the 15 filter capacitor C15 and pin-saving chip AT24CXX.
AT24CXX chip No. 1 pin ground connection; No. 2 pin ground connection; No. 3 pin ground connection; No. 4 pin ground connection; One end of No. 5 pin and control chip Atmega16 No. 20 pins and the 7th current-limiting resistance R7 connects, and another termination power module of the 7th current-limiting resistance R7 provides 5V operating voltage; One end of No. 6 pin and control chip Atmega16 No. 19 pins and the 6th current-limiting resistance R6 connects, and another termination power module of the 6th current-limiting resistance R6 provides 5V operating voltage; One end of No. 7 pins and the 15 filter capacitor C15 is connected on ground; The other end, the power module of No. 8 pins and the 15 filter capacitor C15 provide 5V operating voltage to connect.
Temperature/humiditydetection detection system of the present invention can the warm and humid angle value of multi-way detecting drying course, which enhances precision and the accuracy thereof of Temperature and Humidity; And carry out Real-Time Monitoring by radio communication, by detected value and the process of setting value com-parison and analysis, when higher than set warm and humid angle value, automatically corresponding control signal can be exported, overcome existing temperature/humiditydetection detection system inefficiency, poor real, the problem that high intelligent control degree is low.
Accompanying drawing explanation
Fig. 1 Temperature and Humidity electrical block diagram;
The power module circuitry schematic diagram of Fig. 2 Temperature and Humidity;
The control module circuit theory diagrams of Fig. 3 Temperature and Humidity;
The detection module circuit theory diagrams of Fig. 4 Temperature and Humidity;
The wireless communication module schematic diagram of Fig. 5 Temperature and Humidity
The data storage module schematic diagram of Fig. 6 Temperature and Humidity.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in drawings, shown in Fig. 1 is Temperature and Humidity electrical block diagram to specific embodiments of the invention, is mainly made up of power module, detection module, control module, wireless communication module and data memory module.
This temperature/humiditydetection detection system workflow is as follows: detection module carries out multi-channel sampling process to its humiture information of drying course, and simulating signal temperature-humidity signal being transformed into 0-5 volt sends into controller.Then controller obtains by AD sample detecting the temperature-humidity signal that exported by sensor and carries out respective handling.And these real-time detector datas are kept in the middle of data memory module, carried out showing then analyzing and processing by the humiture information transmission detected to host computer in drying unit by wireless communication module again, Real-Time Monitoring judges the standard whether current humiture reaches predetermined.When the inside humiture of drying unit rises to warning value, controller sends warning by hummer, can make corresponding counter-measure timely like this.
As shown in Figure 2; power module comprises the first voltage stabilizing chip LM2940, the second voltage stabilizing chip LM1117, the first reverse voltage-stabilizing protection diode D1, the second reverse voltage-stabilizing protection diode D2, reverse connecting protection diode D3, the first filter capacitor C1, the second filter capacitor C2, the 3rd filter capacitor C3, the 4th filter capacitor C4, the 5th filter capacitor C5, the 6th filter capacitor C6, the 7th filter capacitor C7, the 8th filter capacitor C8, the first filter inductance L1, the first LED 1, first divider resistance R1, button S1.
Because many processor module working powers are 5V, voltage stabilizing chip LM2940 converts operating voltage 12V step-down to 5V, for detection module, control module and data memory module provide the operating voltage of stable 5V, add LED 1 as power light simultaneously.The total power supply of 12V that one termination of button S1 is given, the anode of another termination reverse connecting protection diode D3 of S1, the negative electrode of reverse connecting protection diode D3 respectively with the positive pole of the first filter capacitor C1, one end of first filter inductance L1 connects, the other end of the first filter inductance L1 and the first reverse voltage-stabilizing protection diode D1 negative electrode, one end of second filter capacitor C2 and the Vin pin of the first voltage stabilizing chip LM2940 connect, the negative pole of the first filter capacitor C1, the GND pin ground connection of the second filter capacitor C2 other end and the first voltage stabilizing chip LM2940, the Vout pin of the first voltage stabilizing chip LM2940 and one end of the 3rd filter capacitor C3, the positive pole of the 4th filter capacitor C4, the anode of the first LED 1 connects and 5V, the negative pole of the 3rd filter capacitor C3 other end and the 4th filter capacitor C4, one end of first divider resistance is connected on ground, the other end of the first divider resistance connects with the negative electrode of the first LED 1, the positive pole of the 5th filter capacitor C5, one end of 6th filter capacitor C6 connects.
Equally, because wireless communication module working power is 3.3V, therefore voltage stabilizing chip LM1117 is used to convert operating voltage 5V step-down to 3.3V, for wireless communication module provides the operating voltage of stable 5V.The negative electrode of the Vin pin of voltage stabilizing chip LM1117 and one end of the 6th filter capacitor C6 and the second reverse voltage-stabilizing protection diode D2 connects, the other end of the 6th filter capacitor C6 and the GND pin of the second voltage stabilizing chip LM1117 are connected on ground; The anode of the Vout pin of the second voltage stabilizing chip LM1117 and the second reverse voltage-stabilizing protection diode D2, one end of the 7th filter capacitor C7, the positive pole of the 8th filter capacitor C8 are connected on 3.3V; The other end of the 7th filter capacitor C7 and the minus earth of the 8th filter capacitor C8.
As shown in Figure 3, control module comprises control chip Atmega16, the 9th filter capacitor C9, tenth filter capacitor C10, the 11 filter capacitor C11, the 12 filter capacitor C12,13 filter capacitor C13,14 filter capacitor C14, the second divider resistance R2, the 3rd divider resistance R3,4th divider resistance R4, PNP triode Q1, hummer LS1, and clock crystal oscillator Y1.
Control chip Atmega16 is that a kind of high performance-price ratio, high reliability, function are strong, high speed, low-power consumption and chip internal integrated multipath AD High Performance SCM.No. 1 pin connects No. 6 pins of radio communication mold chip block NRF2401; No. 2 pins connect No. 7 pins of radio communication mold chip block NRF2401; No. 3 pins connect No. 5 pins of radio communication mold chip block NRF2401; No. 4 pins connect one end of the second divider resistance R2 and the positive pole of the 14 filter capacitor C14, the 5V operating voltage that another termination power module of the second divider resistance R2 provides, the minus earth of the 14 filter capacitor C14; No. 5 pins connect the 5V operating voltage that power module provides; No. 6 pin ground connection; No. 7 pins connect with one end of the 12 filter capacitor C12 and one end of clock crystal oscillator Y1; No. 8 pins connect with the other end of clock crystal oscillator Y1 and one end of the 13 filter capacitor C13, and the other end of the 12 filter capacitor C12 and the other end of the 13 filter capacitor C13 are connected on ground; No. 17 pins connect with the 5V operating voltage that one end and the power module of the 11 filter capacitor C11 provide; No. 18 pin ground connection; No. 19 pins connect with No. 6 pins of data memory module pin-saving chip AT24CXX and one end of the 6th current-limiting resistance R6, the other end of the 6th current-limiting resistance R6 and one end of the 7th dividing potential drop current limliting R7,5V operating voltage that power module provides, one end of the 15 filter capacitor C15, No. 8 pins of data memory module pin-saving chip AT24CXX connect, the other end of the 15 filter capacitor C15 and 1 of data memory module pin-saving chip AT24CXX, 2,3,4, No. 7 pins are connected on ground; No. 20 pins connect with the other end of the 7th current-limiting resistance R7 and No. 5 pins of data memory module pin-saving chip AT24CXX; No. 27 pins connect with one end of the 5th divider resistance R5 and one end of the tenth filter capacitor C10; One end of the other end of No. 28 pins and the 11 filter capacitor C11, the other end of the tenth filter capacitor C10, the 9th filter capacitor C9 is connected on ground; No. 29 pins connect with the other end of the 9th filter capacitor C9; No. 30 pins connect with one end of the 22 current-limiting resistance R22, the other end of the 22 current-limiting resistance R22 connects with the anode of one end of the 23 current-limiting resistance R23, reverse connecting protection diode D18, the negative electrode of reverse connecting protection diode D19, the negative electrode of reverse connecting protection diode D18 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D19, No. 4 pins of another termination sensor 4 of the 23 current-limiting resistance R23; No. 31 pins connect with one end of the 20 current-limiting resistance R20, the other end of the 20 current-limiting resistance R20 connects with the anode of one end of the 21 current-limiting resistance R21, reverse connecting protection diode D16, the negative electrode of reverse connecting protection diode D17, the negative electrode of reverse connecting protection diode D16 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D17, No. 3 pins of another termination sensor 4 of the 21 current-limiting resistance R21; No. 32 pins connect with one end of the 18 current-limiting resistance R18, the other end of the 18 current-limiting resistance R18 connects with the anode of one end of the 19 current-limiting resistance R19, reverse connecting protection diode D14, the negative electrode of reverse connecting protection diode D15, the negative electrode of reverse connecting protection diode D14 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D15, No. 4 pins of another termination sensor 3 of the 19 current-limiting resistance R19; No. 33 pins connect with one end of the 16 current-limiting resistance R16, the other end of the 16 current-limiting resistance R16 connects with the anode of one end of the 17 current-limiting resistance R17, reverse connecting protection diode D12, the negative electrode of reverse connecting protection diode D13, the negative electrode of reverse connecting protection diode D12 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D13, No. 3 pins of another termination sensor 3 of the 17 current-limiting resistance R17; No. 34 pins connect with one end of the 14 current-limiting resistance R14, the other end of the 14 current-limiting resistance R14 connects with the anode of one end of the 15 current-limiting resistance R15, reverse connecting protection diode D10, the negative electrode of reverse connecting protection diode D11, the negative electrode of reverse connecting protection diode D10 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D11, No. 4 pins of another termination sensor 2 of the 17 current-limiting resistance R15; No. 35 pins connect with one end of the 12 current-limiting resistance R12, the other end of the 12 current-limiting resistance R12 connects with the anode of one end of the 13 current-limiting resistance R13, reverse connecting protection diode D8, the negative electrode of reverse connecting protection diode D9, the negative electrode of reverse connecting protection diode D8 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D9, No. 3 pins of another termination sensor 2 of the 13 current-limiting resistance R13; No. 36 pins connect with one end of the tenth current-limiting resistance R10, the other end of the tenth current-limiting resistance R10 connects with the anode of one end of the 11 current-limiting resistance R11, reverse connecting protection diode D6, the negative electrode of reverse connecting protection diode D7, the negative electrode of reverse connecting protection diode D6 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D7, No. 4 pins of another termination sensor 1 of the 11 current-limiting resistance R11; No. 37 pins connect with one end of the 8th current-limiting resistance R8, the other end of the 8th current-limiting resistance R8 connects with the anode of one end of the 9th current-limiting resistance R9, reverse connecting protection diode D4, the negative electrode of reverse connecting protection diode D5, the negative electrode of reverse connecting protection diode D4 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D5, No. 3 pins of another termination sensor 1 of the 9th current-limiting resistance R9; No. 40 pins meet the 4th divider resistance R4,4th another section of divider resistance R4 connects the base stage of PNP triode Q1, the grounded collector of PNP triode Q1, emitter connects one end of hummer LS1 and the 3rd divider resistance R3, the anode of another termination second LED 2 of hummer LS1, the negative electrode of the second LED 2 connects the other end of the 3rd divider resistance R3.
As shown in Figure 4, detection module comprises 4 sensors, 8th current-limiting resistance R8, 9th current-limiting resistance R9, tenth current-limiting resistance R10, 11 current-limiting resistance R11, 12 current-limiting resistance R12, 13 current-limiting resistance R13, 14 current-limiting resistance R14, 15 current-limiting resistance R15, 16 current-limiting resistance R16, 17 current-limiting resistance R17, 18 current-limiting resistance R18, 19 current-limiting resistance R19, 20 current-limiting resistance R20, 21 current-limiting resistance R21, 22 current-limiting resistance R22, 23 current-limiting resistance R23, reverse connecting protection diode D4, reverse connecting protection diode D5, reverse connecting protection diode D6, reverse connecting protection diode D7, reverse connecting protection diode D8, reverse connecting protection diode D9, reverse connecting protection diode D10, reverse connecting protection diode D11, reverse connecting protection diode D12, reverse connecting protection diode D13, reverse connecting protection diode D14, reverse connecting protection diode D15, reverse connecting protection diode D16, reverse connecting protection diode D17, reverse connecting protection diode D18, reverse connecting protection diode D19.
Four sensors that the present invention adopts are HSLGS high temperature modification humiture transducers.HSLGS high temperature modification humiture transducer adopts the high temperature resistant humidity sensitive resistor element of imported with original packaging, and temperature section adopts import platinum resistance Pt100 as temperature-sensing element.Temperature and Humidity for such more than 200 ° airtight oven dry pyroprocesses has good Stability and veracity.No. 1 pin of sensor 1 connects the 12V voltage that power module provides; No. 2 pin ground connection; No. 3 pins connect one end of the 9th current-limiting resistance R9, the other end of the 9th current-limiting resistance R9 connects with the anode of one end of the 8th current-limiting resistance R8, reverse connecting protection diode D4, the negative electrode of reverse connecting protection diode D5, the negative electrode of reverse connecting protection diode D4 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D5, the other end of the 8th current-limiting resistance R8 connects with No. 37 pins of control module Atmega16 chip; No. 4 pins connect one end of the 11 current-limiting resistance R11, the other end of the 11 current-limiting resistance R11 connects with the anode of one end of the tenth current-limiting resistance R10, reverse connecting protection diode D6, the negative electrode of reverse connecting protection diode D7, the negative electrode of reverse connecting protection diode D6 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D7, the other end of the tenth current-limiting resistance R10 connects with No. 36 pins of control module Atmega16 chip; No. 1 pin of sensor 2 connects the 12V voltage that power module provides; No. 2 pin ground connection; No. 3 pins connect one end of the 13 current-limiting resistance R13, the other end of the 13 current-limiting resistance R13 connects with the anode of one end of the 12 current-limiting resistance R12, reverse connecting protection diode D8, the negative electrode of reverse connecting protection diode D9, the negative electrode of reverse connecting protection diode D8 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D9, the other end of the 12 current-limiting resistance R12 connects with No. 35 pins of control module Atmega16 chip; No. 4 pins connect one end of the 15 current-limiting resistance R15, the other end of the 15 current-limiting resistance R15 connects with the anode of one end of the 14 current-limiting resistance R14, reverse connecting protection diode D10, the negative electrode of reverse connecting protection diode D11, the negative electrode of reverse connecting protection diode D10 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D11, the other end of the 14 current-limiting resistance R14 connects with No. 34 pins of control module Atmega16 chip; No. 1 pin of sensor 3 connects the 12V voltage that power module provides; No. 2 pin ground connection; No. 3 pins connect one end of the 17 current-limiting resistance R17, the other end of the 17 current-limiting resistance R17 connects with the anode of one end of the 16 current-limiting resistance R16, reverse connecting protection diode D12, the negative electrode of reverse connecting protection diode D13, the negative electrode of reverse connecting protection diode D12 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D13, the other end of the 16 current-limiting resistance R16 connects with No. 33 pins of control module Atmega16 chip; No. 4 pins connect one end of the 19 current-limiting resistance R19, the other end of the 19 current-limiting resistance R19 connects with the anode of one end of the 18 current-limiting resistance R18, reverse connecting protection diode D14, the negative electrode of reverse connecting protection diode D15, the negative electrode of reverse connecting protection diode D14 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D15, the other end of the 18 current-limiting resistance R18 connects with No. 32 pins of control module Atmega16 chip; No. 1 pin of sensor 4 connects the 12V voltage that power module provides; No. 2 pin ground connection; No. 3 pins connect one end of the 21 current-limiting resistance R21, the other end of the 21 current-limiting resistance R21 connects with the anode of one end of the 20 current-limiting resistance R20, reverse connecting protection diode D16, the negative electrode of reverse connecting protection diode D17, the negative electrode of reverse connecting protection diode D16 connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode D17, the other end of the 20 current-limiting resistance R20 connects with No. 31 pins of control module Atmega16 chip; No. 4 pins connect one end of the 23 current-limiting resistance R23; the other end of the 23 current-limiting resistance R23 connects with the anode of one end of the 22 current-limiting resistance R22, reverse connecting protection diode D18, the negative electrode of reverse connecting protection diode D19; the negative electrode of reverse connecting protection diode D18 connects the 5V operating voltage that power module provides; the plus earth of reverse connecting protection diode D19, the other end of the 22 current-limiting resistance R22 connects with No. 30 pins of control module Atmega16 chip.
As shown in Figure 5, what wireless communication module adopted is NRF2401 chip.
Based on this closed environment of drying course, in circuit design, add wireless communication module, avoid these problems of restriction construction of line difficulty due to site environment factor, directly can realize the function communicated with host computer.Be conducive to like this reaching real-time inspection and control to the humiture of industrial process.No. 1 pin ground connection of NRF2401 chip; No. 2 pins connect power module provides 3.3V operating voltage; No. 3 pins connect No. 42 pins of control module Atmega16 chip; No. 4 pins connect No. 44 pins of control module Atmega16 chip; No. 5 pins connect No. 3 pins of control module Atmega16 chip; No. 6 pins connect No. 1 pin of control module Atmega16 chip; No. 7 pins connect No. 2 pins of control module Atmega16 chip; No. 8 pins connect No. 41 pins of control module Atmega16 chip.
As shown in Figure 6, data memory module comprises the 6th current-limiting resistance R6, the 7th current-limiting resistance R7, the 15 filter capacitor C15 and pin-saving chip AT24CXX.
AT24CXX chip is that a antijamming capability is strong, low in energy consumption, high reliability, read or write speed fast, stability chip relatively preferably.AT24CXX chip No. 1 pin ground connection; No. 2 pin ground connection; No. 3 pin ground connection; No. 4 pin ground connection; One end of No. 5 pin and control module Atmega16 chip No. 20 pins and the 7th current-limiting resistance R7 connects, and another termination power module of the 7th current-limiting resistance R7 provides 5V operating voltage; One end of No. 6 pin and control module Atmega16 chip No. 19 pins and the 6th current-limiting resistance R6 connects, and another termination power module of the 6th current-limiting resistance R6 provides 5V operating voltage; One end of No. 7 pins and the 15 filter capacitor C15 is connected on ground; The other end, the power module of No. 8 pins and the 15 filter capacitor C15 provide 5V operating voltage to connect.
Claims (1)
1. the temperature/humiditydetection detection system of drying course, comprises power module, control module, detection module, wireless communication module and data memory module, is characterized in that: power module is control module, detection module, wireless communication module and data memory module are powered; Detection module carries out multi-channel sampling process to its humiture information of drying course, and simulating signal temperature-humidity signal being transformed into 0-5 volt sends into control module; Control module obtains by AD sample detecting the temperature-humidity signal that exported by sensor and carries out respective handling; Data memory module stores the data detecting gained; The humiture information transmission detected in drying unit shows to host computer by wireless communication module;
Power module comprises the first voltage stabilizing chip LM2940, second voltage stabilizing chip LM1117, first reverse voltage-stabilizing protection diode (D1), second reverse voltage-stabilizing protection diode (D2), reverse connecting protection diode (D3), first filter capacitor (C1), second filter capacitor (C2), 3rd filter capacitor (C3), 4th filter capacitor (C4), 5th filter capacitor (C5), 6th filter capacitor (C6), 7th filter capacitor (C7), 8th filter capacitor (C8), first filter inductance (L1), first light emitting diode (LED1), first divider resistance (R1), button (S1),
The total power supply of 12V that one termination of button (S1) is given, the anode of another termination reverse connecting protection diode (D3) of button (S1), the negative electrode of reverse connecting protection diode (D3) respectively with the positive pole of the first filter capacitor (C1), one end of first filter inductance (L1) connects, the other end of the first filter inductance (L1) and the first reverse voltage-stabilizing protection diode (D1) negative electrode, one end of second filter capacitor (C2) and the Vin pin of the first voltage stabilizing chip LM2940 connect, the negative pole of the first filter capacitor (C1), the GND pin ground connection of the second filter capacitor (C2) other end and the first voltage stabilizing chip LM2940, the Vout pin of the first voltage stabilizing chip LM2940 and one end of the 3rd filter capacitor (C3), the positive pole of the 4th filter capacitor (C4), the anode of the first light emitting diode (LED1) is connected on 5V, the negative pole of the 3rd filter capacitor (C3) other end and the 4th filter capacitor (C4), one end of first divider resistance is connected on ground, the other end of the first divider resistance connects with the negative electrode of the first light emitting diode (LED1), the positive pole of the 5th filter capacitor (C5), one end of 6th filter capacitor (C6), the negative electrode of the second reverse voltage-stabilizing protection diode (D2) connects with the Vin pin of the second voltage stabilizing chip LM1117, the negative pole of the 5th filter capacitor (C5), the other end of the 6th filter capacitor (C6) and the GND pin of the second voltage stabilizing chip LM1117 are connected on ground, the anode of the Vout pin of the second voltage stabilizing chip LM1117 and the second reverse voltage-stabilizing protection diode (D2), one end of 7th filter capacitor (C7), the positive pole of the 8th filter capacitor (C8) is connected on 3.3V, the other end of the 7th filter capacitor (C7) and the minus earth of the 8th filter capacitor (C8),
Control module comprises control chip Atmega16,9th filter capacitor (C9), tenth filter capacitor (C10), 11 filter capacitor (C11), 12 filter capacitor (C12), 13 filter capacitor (C13), 14 filter capacitor (C14), second divider resistance (R2), 3rd divider resistance (R3), the 4th divider resistance (R4), PNP triode (Q1), hummer (LS1), and clock crystal oscillator (Y1);
No. 1 pin of control chip Atmega16 connects No. 6 pins of radio communication mold chip block NRF2401; No. 2 pins connect No. 7 pins of radio communication mold chip block NRF2401; No. 3 pins connect No. 5 pins of radio communication mold chip block NRF2401; No. 4 pins connect one end of the second divider resistance (R2) and the positive pole of the 14 filter capacitor (C14), the 5V operating voltage that another termination power module of second divider resistance (R2) provides, the minus earth of the 14 filter capacitor (C14); No. 5 pins connect the 5V operating voltage that power module provides; No. 6 pin ground connection; No. 7 pins connect with one end of the 12 filter capacitor (C12) and one end of clock crystal oscillator (Y1); No. 8 pins connect with the other end of clock crystal oscillator (Y1) and one end of the 13 filter capacitor (C13), and the other end of the 12 filter capacitor (C12) and the other end of the 13 filter capacitor (C13) are connected on ground; No. 17 pins connect with the 5V operating voltage that one end and the power module of the 11 filter capacitor (C11) provide; No. 18 pin ground connection; No. 29 pins connect with the other end of the 9th filter capacitor (C9); No. 40 pins connect one end of the 4th divider resistance (R4), the base stage of the 4th another termination PNP triode (Q1) of divider resistance (R4), the grounded collector of PNP triode (Q1), emitter connects one end of hummer (LS1) and one end of the 3rd divider resistance (R3), the anode of another termination second light emitting diode (LED2) of hummer (LS1) and 5V power supply, the negative electrode of the second light emitting diode (LED2) connects the other end of the 3rd divider resistance (R3);
Detection module comprises 4 sensors, 8th current-limiting resistance (R8), 9th current-limiting resistance (R9), tenth current-limiting resistance (R10), 11 current-limiting resistance (R11), 12 current-limiting resistance (R12), 13 current-limiting resistance (R13), 14 current-limiting resistance (R14), 15 current-limiting resistance (R15), 16 current-limiting resistance (R16), 17 current-limiting resistance (R17), 18 current-limiting resistance (R18), 19 current-limiting resistance (R19), 20 current-limiting resistance (R20), 21 current-limiting resistance (R21), 22 current-limiting resistance (R22), 23 current-limiting resistance (R23), reverse connecting protection diode (D4), reverse connecting protection diode (D5), reverse connecting protection diode (D6), reverse connecting protection diode (D7), reverse connecting protection diode (D8), reverse connecting protection diode (D9), reverse connecting protection diode (D10), reverse connecting protection diode (D11), reverse connecting protection diode (D12), reverse connecting protection diode (D13), reverse connecting protection diode (D14), reverse connecting protection diode (D15), reverse connecting protection diode (D16), reverse connecting protection diode (D17), reverse connecting protection diode (D18), reverse connecting protection diode (D19),
No. 1 pin of first sensor connects the 12V voltage that power module provides; No. 2 pin ground connection of first sensor; No. 3 pins of first sensor connect one end of the 9th current-limiting resistance (R9), the other end of the 9th current-limiting resistance (R9) connects with one end of the 8th current-limiting resistance (R8), the anode of reverse connecting protection diode (D4), the negative electrode of reverse connecting protection diode (D5), the negative electrode of reverse connecting protection diode (D4) connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode (D5), the other end of the 8th current-limiting resistance (R8) connects with No. 37 pins of control chip Atmega16; No. 4 pins of first sensor connect one end of the 11 current-limiting resistance (R11), the other end of the 11 current-limiting resistance (R11) connects with one end of the tenth current-limiting resistance (R10), the anode of reverse connecting protection diode (D6), the negative electrode of reverse connecting protection diode (D7), the negative electrode of reverse connecting protection diode (D6) connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode (D7), the other end of the tenth current-limiting resistance (R10) connects with No. 36 pins of control chip Atmega16;
No. 1 pin of the second sensor connects the 12V voltage that power module provides; No. 2 pin ground connection of the second sensor; No. 3 pins of the second sensor connect one end of the 13 current-limiting resistance (R13), the other end of the 13 current-limiting resistance (R13) connects with one end of the 12 current-limiting resistance (R12), the anode of reverse connecting protection diode (D8), the negative electrode of reverse connecting protection diode (D9), the negative electrode of reverse connecting protection diode (D8) connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode (D9), the other end of the 12 current-limiting resistance (R12) connects with No. 35 pins of control chip Atmega16; No. 4 pins of the second sensor connect one end of the 15 current-limiting resistance (R15), the other end of the 15 current-limiting resistance (R15) connects with one end of the 14 current-limiting resistance (R14), the anode of reverse connecting protection diode (D10), the negative electrode of reverse connecting protection diode (D11), the negative electrode of reverse connecting protection diode (D10) connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode (D11), the other end of the 14 current-limiting resistance (R14) connects with No. 34 pins of control chip Atmega16;
No. 1 pin of the 3rd sensor connects the 12V voltage that power module provides; No. 2 pin ground connection of the 3rd sensor; No. 3 pins of the 3rd sensor connect one end of the 17 current-limiting resistance (R17), the other end of the 17 current-limiting resistance (R17) connects with one end of the 16 current-limiting resistance (R16), the anode of reverse connecting protection diode (D12), the negative electrode of reverse connecting protection diode (D13), the negative electrode of reverse connecting protection diode (D12) connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode (D13), the other end of the 16 current-limiting resistance (R16) connects with No. 33 pins of control chip Atmega16; No. 4 pins of the 3rd sensor connect one end of the 19 current-limiting resistance (R19), the other end of the 19 current-limiting resistance (R19) connects with one end of the 18 current-limiting resistance (R18), the anode of reverse connecting protection diode (D14), the negative electrode of reverse connecting protection diode (D15), the negative electrode of reverse connecting protection diode (D14) connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode (D15), the other end of the 18 current-limiting resistance (R18) connects with No. 32 pins of control chip Atmega16;
No. 1 pin of four-sensor connects the 12V voltage that power module provides; No. 2 pin ground connection of four-sensor; No. 3 pins of four-sensor connect one end of the 21 current-limiting resistance (R21), the other end of the 21 current-limiting resistance (R21) connects with one end of the 20 current-limiting resistance (R20), the anode of reverse connecting protection diode (D16), the negative electrode of reverse connecting protection diode (D17), the negative electrode of reverse connecting protection diode (D16) connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode (D17), the other end of the 20 current-limiting resistance (R20) connects with No. 31 pins of control chip Atmega16; No. 4 pins of four-sensor connect one end of the 23 current-limiting resistance (R23), the other end of the 23 current-limiting resistance (R23) connects with one end of the 22 current-limiting resistance (R22), the anode of reverse connecting protection diode (D18), the negative electrode of reverse connecting protection diode (D19), the negative electrode of reverse connecting protection diode (D18) connects the 5V operating voltage that power module provides, the plus earth of reverse connecting protection diode (D19), the other end of the 22 current-limiting resistance (R22) connects with No. 30 pins of control chip Atmega16;
What wireless communication module adopted is NRF2401 chip;
No. 1 pin ground connection of NRF2401 chip; No. 2 pins connect power module provides 3.3V operating voltage; No. 3 pins connect No. 42 pins of control chip Atmega16; No. 4 pins connect No. 44 pins of control chip Atmega16; No. 5 pins connect No. 3 pins of control chip Atmega16; No. 6 pins connect No. 1 pin of control chip Atmega16; No. 7 pins connect No. 2 pins of control chip Atmega16; No. 8 pins connect No. 41 pins of control chip Atmega16;
Data memory module comprises the 6th current-limiting resistance (R6), the 7th current-limiting resistance (R7), the 15 filter capacitor (C15) and pin-saving chip AT24CXX;
AT24CXX chip No. 1 pin ground connection; No. 2 pin ground connection; No. 3 pin ground connection; No. 4 pin ground connection; No. 5 pins connect with one end of control chip Atmega1620 pin and the 7th current-limiting resistance (R7), and another termination power module of the 7th current-limiting resistance (R7) provides 5V operating voltage; No. 6 pins connect with one end of control chip Atmega1619 pin and the 6th current-limiting resistance (R6), and another termination power module of the 6th current-limiting resistance (R6) provides 5V operating voltage; One end of No. 7 pins and the 15 filter capacitor (C15) is connected on ground; The other end, the power module of No. 8 pins and the 15 filter capacitor (C15) provide 5V operating voltage to connect.
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| CN104880981A (en) * | 2015-04-30 | 2015-09-02 | 江苏海大印染机械有限公司 | Setting machine having temperature and humidity monitoring function |
| CN105651012A (en) * | 2016-01-29 | 2016-06-08 | 蔡权 | Vacuum drying oven based on vapor detection function |
| CN105783440B (en) * | 2016-03-23 | 2018-05-01 | 上海斐讯数据通信技术有限公司 | A kind of intelligence automatic air-drying system |
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