CN105676907A - Temperature control device and thermostatic control method - Google Patents
Temperature control device and thermostatic control method Download PDFInfo
- Publication number
- CN105676907A CN105676907A CN201610177272.8A CN201610177272A CN105676907A CN 105676907 A CN105676907 A CN 105676907A CN 201610177272 A CN201610177272 A CN 201610177272A CN 105676907 A CN105676907 A CN 105676907A
- Authority
- CN
- China
- Prior art keywords
- resistive heater
- temperature
- chassis
- temperature control
- reagent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Control Of Temperature (AREA)
Abstract
The invention discloses a temperature control device, comprising a pallet and a rotating shaft driving the pallet to rotate; the top end face of the pallet is provided with a plurality of reagent bits and a plurality of sample bits, and the bit reagent bits and sample bits are all blind holes; a first heating resistance wire is arranged in the gap between the rotating shaft and the reagent bits, and is used for heating reagents in the reagent bits; the periphery of the sample bits is provided with a second heating resistance wire, and the outside of the second heating resistance wire is provided with an insulation protection layer; the second heating resistance wire is used for heating samples in the sample bits; the bottom of the pallet is a hollow structure, and comprises a first chassis and a second chassis; a thermal cooler is arranged between the first chassis and the second chassis, and clings to the bottom of the first chassis. The temperature control device has the characteristics of high temperature adjusting efficiency and temperature control precision, and low cost.
Description
Technical field
The present invention relates to medical apparatus and instruments domain of control temperature, be specifically related to a kind of temperature control equipment and constant-temperature control method.
Background technology
Two classes inspection medical apparatus and instruments include blood coagulation analyzer needs configuration temperature control equipment to meet the demand detected under duty temperature control. In order to improve equipment operating efficiency, existing frequently-used inspection class armarium many employings revolver is as sample and reagent position device, this kind equipment relates to blood class and test agent pattern detection mostly, and blood class and test agent are higher to the requirement of temperature, blood class sample generally requires to preserve at normal temperatures, reagent requirement preserves at 2 DEG C-8 DEG C, then requires to work under 37 DEG C of states during detection, and temperature control requirement is ± 0.5 DEG C.
Now as rotate class detecting device design particularity structurally, this kind of device is difficult to carry out accurately refrigeration and the temperature accurately heated and controls.
Summary of the invention
It is an object of the invention to the problem above overcoming prior art to exist, a kind of temperature control equipment and constant-temperature control method are provided, the temperature control equipment of the present invention is rotary integrated device, it is capable of accurately refrigeration and the temperature accurately heated to control, and it is high that this device temperature control regulates efficiency, cost is low, it is possible to meet the demand of rotary type temperature control device development in the coagulation analysis class device of domestic market.
For realizing above-mentioned technical purpose, reaching above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of temperature control equipment, comprising:
Pallet, the top end face of described pallet is provided with some reagent positions and some sample bit, described reagent position and sample bit are blind hole, equally spaced between some described reagent positions circumferentially arrange, equally spaced between some described sample bit circumferentially arranging, described sample bit is arranged on the periphery of described reagent position;
Rotating shaft, described rotating shaft runs through described tray center and described pallet can be driven to rotate;
Being provided with the first resistive heater in hollow gap between described rotating shaft and described reagent position, the outside of described first resistive heater is provided with insulating protective layer, and described first resistive heater is for heating the reagent in described reagent position;
The periphery of described sample bit is provided with the second resistive heater, and the outside of described second resistive heater is provided with insulating protective layer, and described second resistive heater is for heating the sample in described sample bit;
The tray bottom of described pallet is hollow structure, described tray bottom includes the first chassis and the second chassis, the bottom of described sample bit is described second chassis, the bottom of described reagent position is described first chassis, it is provided with cooling piece between described first chassis and the second chassis, described cooling piece is adjacent to the bottom surface on described first chassis, and described cooling piece is used for freezing.
Preferably, also including temperature sensor, described temperature sensor is arranged between described first chassis and the second chassis.
Preferably, the heating-up temperature of described first resistive heater and the second resistive heater can reach 37 DEG C ± 0.5 DEG C.
Preferably, described first resistive heater and the thermostatically controlled temperature error of the second resistive heater are 37 DEG C ± 0.1 DEG C.
Preferably, the cryogenic temperature of described cooling piece can to 14 DEG C ± 2 DEG C.
Preferably, a kind of constant-temperature control method, comprise the following steps:
S1MCU unit, according to the heating pre-set, refrigeration and temperature control process parameter, sends temperature control order to sample bit, reagent position;
The first resistive heater that S2 heats for reagent position, the second resistive heater heated on sample bit and cooling piece carry out various unit warming operation, refrigerating operation according to the order received;
The temperature signal monitored is transferred to chip NE5532 by S3 temperature sensor, and sensor signal, after chip NE5532 signal amplifier, is transferred to MCU unit;
S4MCU unit is simulated signal A/D translation operation and analyzes, calculate the relation between current temperature value and the target temperature of setting, first resistive heater and the second resistive heater are controlled, if current temperature value is higher than the temperature set, control to close the heater of the first resistive heater and the second resistive heater by MCU unit, if current temperature value is lower than the temperature set, control to open the heater of the first resistive heater and the second resistive heater by MCU unit;
Temperature controlled execution result is transferred to MCU unit by S5. The invention has the beneficial effects as follows:
One, the present invention temperature control equipment be a kind of rotary sample device, this device is provided with sample bit, reagent position, the pallet carrying above-mentioned sample bit and reagent position adopts aluminium material, aluminium material has good heat conductivility, and select and under central shaft, adopt hollow structure to arrange, convenient refrigeration components and parts and temperature sensor control line are derived, and refrigeration components and parts adopt electricity cooling piece.
Two, the temperature control equipment of the present invention and the thermostatic control error of method are only at 37 DEG C ± 1 DEG C, and its range of error is little, and certainty of measurement is high, it is possible to ensure that instrument height quality is run.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, and can be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after. The specific embodiment of the present invention is shown in detail in by following example and accompanying drawing thereof.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in embodiment of the present invention technology, the accompanying drawing used required in the description of embodiment technology will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of temperature control equipment of the present invention;
Fig. 2 is the A-A profile of Fig. 1;
Fig. 3 is the enlarged diagram of part A in Fig. 2;
Fig. 4 is the schematic diagram of intelligent temperature control of the present invention;
Fig. 5 is the wiring diagram of intelligent temperature control of the present invention;
Fig. 6 is principle of heating figure;
Fig. 7 is schematic diagram of refrigerating.
Wherein, 1-pallet, 2-rotating shaft, 101-reagent position, 102-sample bit, 103-the first resistive heater, 104-the second resistive heater, 105-insulating protective layer, 106-the first chassis, 107-the second chassis, 108-cooling piece.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment
With reference to shown in Fig. 1-3, a kind of temperature control equipment disclosed in the present embodiment, this temperature control equipment is revolver, it mainly includes pallet 1 and rotating shaft 2, wherein above-mentioned pallet 1 is used to the device of carrying reagent and sample, and above-mentioned rotating shaft 2 can drive above-mentioned pallet 1 to rotate under the drive of electric rotating machine.
Concrete structure between them is: be provided with some reagent positions 101 and some sample bit 102 on the top end face of above-mentioned pallet 1, mentioned reagent position 101 and sample bit 102 are blind hole, equally spaced between some mentioned reagent positions 101 circumferentially arrange, equally spaced between some above-mentioned sample bit 102 circumferentially arranging, above-mentioned sample bit 102 is arranged on the periphery of mentioned reagent position 101.
Above-mentioned rotating shaft 2 runs through above-mentioned pallet 1 center and above-mentioned pallet can be driven to rotate, and above-mentioned rotating shaft 2 is driven it to rotate by electric rotating machine.
Because the temperature control equipment in the present embodiment is capable of automatic temperature-controlled; therefore this device is provided with heating components and parts and refrigeration components and parts; hollow gap between above-mentioned rotating shaft 2 and mentioned reagent position 101 is provided with the first resistive heater 103; the outside of above-mentioned first resistive heater 103 is provided with insulating protective layer, and above-mentioned first resistive heater 103 is for heating the reagent in mentioned reagent position 101.
The periphery of above-mentioned sample bit 102 is provided with the second resistive heater 104, and the outside of above-mentioned second resistive heater 104 is provided with insulating protective layer 105, and above-mentioned second resistive heater 104 is for heating the sample in above-mentioned sample bit 102.
In order to facilitate the derivation of above-mentioned heating components and parts and sensor conductor, the tray bottom of above-mentioned pallet 1 is designed to hollow structure, namely above-mentioned tray bottom includes the first chassis 106 and the second chassis 107, the bottom of above-mentioned sample bit 102 is above-mentioned second chassis 107, the bottom of mentioned reagent position 101 is above-mentioned first chassis 106, being provided with cooling piece 108 between above-mentioned first chassis 106 and the second chassis 107, above-mentioned cooling piece 108 is adjacent to the bottom surface on above-mentioned first chassis 106, and above-mentioned cooling piece 108 is used for freezing.
And also it being provided with temperature sensor, said temperature sensor is arranged between above-mentioned first chassis 106 and the second chassis 107. The hollow structure of above-mentioned tray bottom is arranged, and the wire facilitating heating components and parts and sensor is derived.
In the present embodiment, the heating-up temperature of above-mentioned first resistive heater 103 and the second resistive heater 104 can reach 37 DEG C ± 0.5 DEG C, the cryogenic temperature of above-mentioned cooling piece 108 can to 14 DEG C ± 2 DEG C, and above-mentioned first resistive heater 103 and the second thermostatically controlled temperature error of resistive heater 104 are 37 DEG C ± 0.1 DEG C.Therefore, this device can structurally meet the demand rotated with temperature control, and temperature controlled precision is higher.
In the present embodiment, in order to better conduct heat, improving said temperature and control the temperature control efficiency of device, above-mentioned pallet adopts aluminium material.
As shown in figs. 4-7, said temperature controls the Temp. control method of device and principle be:
S1MCU unit, according to the heating pre-set, refrigeration and temperature control process parameter, sends temperature control order to sample bit, reagent position.
The first resistive heater that S2 heats for reagent position, the second resistive heater heated on sample bit and the cooling piece for whole device refrigeration carry out various unit warming operation, refrigerating operation according to the order received.
The temperature signal monitored is transferred to chip NE5532 by S3 temperature sensor, and sensor signal, after chip NE5532 signal amplifier, is transferred to MCU cellular system.
S4MCU cellular system is simulated signal A/D and changes laggard row operation analysis, calculate the relation between current temperature value and the target temperature of setting, first resistive heater and the second resistive heater are controlled, if current temperature value is higher than the temperature set, control to close the heater of the first resistive heater or the second resistive heater by MCU cellular system, if current temperature value is lower than the temperature set, control to open the heater of the first resistive heater or the second resistive heater by MCU cellular system.
Temperature controlled execution result is transferred to MCU unit by S5.
The operation principle of the present embodiment is as follows:
MCU unit is according to the heating pre-set, refrigeration and temperature control process parameter, various orders are sent to detector cell, the trace point that detector cell carries out temperature according to the order received is arranged, gain control, perform corresponding temperature control operation, and return the result of execution as required to MCU unit.
Temperature signal is transferred to detector by temperature control unit, heating components and parts on detector and refrigeration components and parts begin to warm up after receiving order and freeze, the temperature signal that sensor obtains is transferred to signal condition amplifying unit, it is transferred to ADC unit after signal condition amplifying unit amplifies, ADC unit converts a signal into digital quantity signal (real time temperature numerical value), and numerical value is read by main frame.
Thermostatic control is sensor signal value through NE5532 chip signal amplifier, and transmission MCU cellular system is simulated signal A/D translation operation and analyzes, and calculates the relation between current temperature value and target setting temperature, system heating source is carried out break-make control. If current temperature value is higher than design temperature, control to turn off heater by MCU cellular system; If current temperature value is lower than design temperature, control heater by MCU cellular system; Constant temperature error, at 37 ± 0.1 DEG C, meets demand for control.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention. The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments. Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (6)
1. a temperature control equipment, it is characterised in that comprising:
Pallet, the top end face of described pallet is provided with some reagent positions and some sample bit, described reagent position and sample bit are blind hole, equally spaced between some described reagent positions circumferentially arrange, equally spaced between some described sample bit circumferentially arranging, described sample bit is arranged on the periphery of described reagent position;
Rotating shaft, described rotating shaft runs through described tray center and described pallet can be driven to rotate;
Being provided with the first resistive heater in hollow gap between described rotating shaft and described reagent position, the outside of described first hot water radiation wire is provided with insulating protective layer, and described first resistive heater is for heating the reagent in described reagent position;
The periphery of described sample bit is provided with the second resistive heater, and the outside of described second resistive heater is provided with insulating protective layer, and described second resistive heater is for heating the sample in described sample bit;
The tray bottom of described pallet is hollow structure, described tray bottom includes the first chassis and the second chassis, the bottom of described sample bit is described second chassis, the bottom of described reagent position is described first chassis, it is provided with cooling piece between described first chassis and the second chassis, described cooling piece is adjacent to the bottom surface on described first chassis, and described cooling piece is used for freezing.
2. a kind of temperature control equipment according to claim 1, it is characterised in that also including temperature sensor, described temperature sensor is arranged between described first chassis and the second chassis.
3. a kind of temperature control equipment according to claim 1, it is characterised in that the heating-up temperature of described first resistive heater and the second resistive heater can reach 37 DEG C ± 0.5 DEG C.
4. a kind of temperature control equipment according to claim 3, it is characterised in that described first resistive heater and the thermostatically controlled temperature error of the second resistive heater are 37 DEG C ± 0.1 DEG C.
5. a kind of temperature control equipment according to claim 1, it is characterised in that the cryogenic temperature of described cooling piece can to 14 DEG C ± 2 DEG C.
6. a constant-temperature control method, the method is based on a kind of temperature control equipment described in claim 1-5 any one, it is characterised in that comprise the following steps:
S1MCU unit, according to the heating pre-set, refrigeration and temperature control process parameter, sends temperature control order to sample bit, reagent position;
The first resistive heater that S2 heats for reagent position, the second resistive heater heated on sample bit and cooling piece carry out unit warming operation, refrigerating operation according to the order received is various;
The temperature signal monitored is transferred to chip NE5532 by S3 temperature sensor, and sensor signal, after chip NE5532 signal amplifier, is transferred to MCU unit;
S4MCU unit is simulated signal A/D translation operation and analyzes, calculate the relation between current temperature value and the target temperature of setting, first resistive heater and the second resistive heater are controlled, if current temperature value is higher than the temperature set, control to close the heater of the first resistive heater and the second resistive heater by MCU unit, if current temperature value is lower than the temperature set, control to open the heater of the first resistive heater and the second resistive heater by MCU unit;
Temperature controlled execution result is transferred to MCU unit by S5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177272.8A CN105676907B (en) | 2016-03-25 | 2016-03-25 | A kind of temperature control equipment and constant-temperature control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177272.8A CN105676907B (en) | 2016-03-25 | 2016-03-25 | A kind of temperature control equipment and constant-temperature control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105676907A true CN105676907A (en) | 2016-06-15 |
| CN105676907B CN105676907B (en) | 2018-12-28 |
Family
ID=56223902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610177272.8A Active CN105676907B (en) | 2016-03-25 | 2016-03-25 | A kind of temperature control equipment and constant-temperature control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105676907B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2508323A1 (en) * | 2002-12-20 | 2004-07-08 | Dakocytomation Denmark A/S | Method and apparatus for pretreatment of biological samples |
| CN202351248U (en) * | 2011-12-14 | 2012-07-25 | 北京众驰伟业科技发展有限公司 | Rotary-sample-feeding type full-automatic coagulation tester |
| CN105092868A (en) * | 2015-09-12 | 2015-11-25 | 丁鸿 | Rotary type integrated structure for sample and reagent positions by coagulation analyzer |
| CN105301264A (en) * | 2015-09-12 | 2016-02-03 | 丁鸿 | Full-automatic coagulation analyzer equipment and detection method |
| CN205581681U (en) * | 2016-03-25 | 2016-09-14 | 丁鸿 | Temperature control device |
-
2016
- 2016-03-25 CN CN201610177272.8A patent/CN105676907B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2508323A1 (en) * | 2002-12-20 | 2004-07-08 | Dakocytomation Denmark A/S | Method and apparatus for pretreatment of biological samples |
| CN202351248U (en) * | 2011-12-14 | 2012-07-25 | 北京众驰伟业科技发展有限公司 | Rotary-sample-feeding type full-automatic coagulation tester |
| CN105092868A (en) * | 2015-09-12 | 2015-11-25 | 丁鸿 | Rotary type integrated structure for sample and reagent positions by coagulation analyzer |
| CN105301264A (en) * | 2015-09-12 | 2016-02-03 | 丁鸿 | Full-automatic coagulation analyzer equipment and detection method |
| CN205581681U (en) * | 2016-03-25 | 2016-09-14 | 丁鸿 | Temperature control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105676907B (en) | 2018-12-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204883432U (en) | Reaction chamber temperature controlling means , temperature control system and hematology analyzer | |
| CN104120077B (en) | A kind of real-time fluorescence DNA cloning instrument | |
| CN104968776A (en) | Nucleic acid amplifying device and method for detecting abnormal temperature regulating function | |
| CN110243483A (en) | A kind of hot rotatory test temperature measuring equipment of engine rotor part and temp measuring method | |
| CN206232730U (en) | The module thermal balance device of PCR gene amplification instrument | |
| CN105445321A (en) | Detection device for thermal performance of combustible material in program temperature control condition | |
| CN103868948A (en) | Method for correcting heat exchange power of heat conductivity tester through single-test piece guarded hot plate method | |
| CN204924996U (en) | Hot fatigue testing machine of roll | |
| WO2013140917A1 (en) | Liquid chromatographic analysis device and temperature control method for same | |
| CN203444369U (en) | Constant temperature apparatus | |
| CN205581681U (en) | Temperature control device | |
| CN111060636A (en) | Temperature control analysis device and online analysis system provided with same | |
| CN103765568A (en) | System for the heat treatment of substrates, and method for detecting measurement data in said system | |
| CN105441665B (en) | Heat-treatment furnace zero-time holding control method and its system | |
| CN105676907A (en) | Temperature control device and thermostatic control method | |
| CN108426914A (en) | A kind of determining instrument of thermal coefficient and specific heat capacity | |
| CN207946382U (en) | A kind of determining instrument of thermal coefficient and specific heat capacity | |
| CN101487805A (en) | Apparatus and method for measuring thermal conduction effect | |
| CN206057068U (en) | A kind of sample ashing device of fast heating intelligent temperature control | |
| CN207318394U (en) | A kind of Measured Results of Thermal Conductivity experimental system | |
| CN112113612A (en) | Inductive film temperature-sensing detection device and temperature-sensing detection method using same | |
| CN207231670U (en) | A kind of detection device for sensor | |
| CN106198175A (en) | A kind of sample ashing device of fast heating intelligent temperature control | |
| CN207502441U (en) | A kind of automatic pour point detector with controllable temperature difference method | |
| CN107024501B (en) | Refrigerant heat-insulating pipe dimensional stability performance test equipment and application method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190731 Address after: 215500 No. 1, Jindu Road, Changshu High-tech Industrial Development Zone, Suzhou City, Jiangsu Province Patentee after: Jiangsu Hong'en Medical Devices Co. Address before: 215557 No. 1 Jindu Road, Technology Development Zone, Changshu High-tech Production Zone, Suzhou City, Jiangsu Province Patentee before: Ding Hong |