CN102901808A - Analysis detecting device with humidity sensing function and analysis detecting method - Google Patents

Analysis detecting device with humidity sensing function and analysis detecting method Download PDF

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Publication number
CN102901808A
CN102901808A CN2012104122437A CN201210412243A CN102901808A CN 102901808 A CN102901808 A CN 102901808A CN 2012104122437 A CN2012104122437 A CN 2012104122437A CN 201210412243 A CN201210412243 A CN 201210412243A CN 102901808 A CN102901808 A CN 102901808A
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China
Prior art keywords
analysis
conducting
test paper
photoelectric detective
conduction electrode
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CN2012104122437A
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Chinese (zh)
Inventor
王继华
龙晖
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Guangzhou Wondfo Biotech Co Ltd
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Guangzhou Wondfo Biotech Co Ltd
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Priority to CN2012104122437A priority Critical patent/CN102901808A/en
Priority to PCT/CN2012/087374 priority patent/WO2014063419A1/en
Publication of CN102901808A publication Critical patent/CN102901808A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/8483Investigating reagent band

Abstract

The invention provides an analysis detecting device with a humidity sensing function and an analysis detecting method; and the device comprises a test paper, a water absorbing stick and a circuit board, wherein the test paper comprises a sample receiving area, a detecting area and a water absorbing area in sequence; the water absorbing stick is lapped in the sample receiving area of the test paper; a photoelectric detecting circuit and a processor are arranged on the circuit board; the analysis detecting device further comprises a conducting device electrically connected with the photoelectric detecting circuit of the circuit board; and the conducting device is also in contact with the test paper. The analysis detecting method comprises the following steps of: (1) a liquid sample to be detected is absorbed by using the water absorbing stick of the analysis detecting device and conveyed by the test paper in a flowing way; and (2) a detecting program is started by the photoelectric detecting circuit so as to detect a detecting area; and according to a comparing result of a detected value and a threshold, judgment is made and a result is output. The analysis detecting device and the analysis detecting method, provided by the invention, have the advantages that higher detection accuracy is achieved and detection errors are reduced.

Description

Analysis and detection device and analyzing detecting method with the humidity inductive function
 
[technical field]
The present invention relates to chemically examine detection field, refer in particular to a kind of analysis and detection device with the humidity inductive function and analyzing detecting method.
 
[background technology]
The technology of immune detection is very general at present, be applied to the detection in a lot of fields, many equipment to the analysis of chemical examination thing has been arranged on the market, human chorionic gonadotrophin (the human chorionic gonadotropin of secretion when for example detecting a kind of women's pregnancy, be called for short HCG), determine whether conceived Test paper and detect reagent card for detection of this kind hormone, commercial distribution is very general, but this series products of now commercial distribution, need the user to utilize visual inspection in the scope reasonable effective time in regulation, subjective judgement result, sometimes because visual inspection, subjective factor etc., different people may have different judged results, particularly under the test section shows with of light color or fuzzy situation, cause easily and misread.During operation is used, need the user to observe detection zone in regulation in reasonable effective time, reading result, the result of this moment could be as a reference.In most cases, doctor and user need to see table or use timer, and be cumbersome like this, and sometimes cause result's error because of the evaluation time mistake.
Known electronic type analysis and detection device comprises Test paper and suction rod, Test paper comprises sample region of acceptance, surveyed area and suction zone according to the direction of liquid flow, this surveyed area has generally comprised test section and control zone, the aobvious band of light sensing Test paper test section and control zone in regulation reasonable effective time of scope and reading result, microprocessor receive the detection signal of light sensation unit and judge the reaction result of control zone and test section.Yet, owing to inhale the various reasons such as sample deficiency or device go wrong, might not arrive surveyed area fully by testing liquid, and this pick-up unit detects the result who obtains to the surveyed area of not loading success, still be used as is that the result that normal loading draws shows, then serious resultant error can be caused, the purpose of detection can not be reached.
Therefore, provide a kind of can determine whether the loading success, analysis and detection device and analyzing detecting method are real in necessary accurately for testing result.
 
[summary of the invention]
Thereby the object of the present invention is to provide a kind of suction zone humidity of can sensing to determine the whether analysis and detection device of loading of Test paper.
Thereby another object of the present invention is to provide a kind of suction zone humidity of can sensing to determine the whether analyzing detecting method of loading of Test paper.
For realizing the object of the invention, provide following technical scheme:
The invention provides a kind of analysis and detection device with the humidity inductive function, it comprises Test paper, the suction rod, circuit board, this Test paper comprises the sample region of acceptance successively, surveyed area, suction zone, this suction rod is overlapped on the sample region of acceptance of Test paper, this circuit board is provided with photoelectric detective circuit and processor, described photoelectric detective circuit detects the light reflection strength signal of surveyed area, and feedback detection information is to processor, this analysis and detection device also comprises the conducting device that is electrically connected with the photoelectric detective circuit of circuit board, and this conducting device also contacts with Test paper.
Adopt analysis and detection device of the present invention to chemically examine the thing analysis, at first draw liquid to be chemically examined by the rod that absorbs water, liquid is through the excellent flow detection test paper that absorbs water, connect photoelectric detective circuit, can connect conducting device through the liquid of Test paper simultaneously, the conducting device of connecting circuit board can inform processor with connection signal, and photoelectric detective circuit reads and detects data and judge the result via the processor analysis.This device is except can electronization detecting the analytical test thing, determines whether loading of Test paper thereby can sense suction zone humidity simultaneously, has higher accuracy in detection, reduces and detects error.
In certain embodiments, this conducting device connects the suction zone of photoelectric detective circuit and Test paper, when liquid makes the conducting device conducting, proof liquid flow through surveyed area and the suction zone of Test paper, the success of expression loading, the result who tests out is the test result after the loading success, and accuracy in detection is high.In certain embodiments, this conducting device is conduction electrode.In certain embodiments, this conducting device comprises the rear end conduction electrode of the suction zone that connects photoelectric detective circuit and Test paper.
In certain embodiments, this conducting device also comprises the front end conduction electrode that connects photoelectric detective circuit and suction rod.By the front end conduction electrode is set, can know that liquid flow to Test paper by the suction rod, can begin to start photoelectric detective circuit and detect.In certain embodiments, the conducting starting switch that can the front end conduction electrode be set to photoelectric detective circuit.
In certain embodiments, this rear end conduction electrode is spring, adopts spring both can realize conducting connection, can utilize the design feature of spring simultaneously, realizes the close contact of conduction electrode and photoelectric detective circuit and Test paper, and the implementation structure compactedness.
In certain embodiments, this front end conduction electrode or rear end conduction electrode are connected with the photoelectric detective circuit of circuit board by electrode contact blade, guarantee that stable electrical connects.
In certain embodiments, this surveyed area comprises detection zone and clear area, and described photoelectric detective circuit detects the light reflection strength signal of detection zone and clear area, and feedback detection information is to processor.Surveyed area arranges a detection zone and the clear area compares detection, and the control zone is not set, and this can save expensive biomaterial, saves cost.
In certain embodiments, this photoelectric detective circuit comprises:
Two light sources, corresponding with the position, clear area with the test section of described test-strips, can send the corresponding light in test section and clear area with described test-strips; With
Photodetector can receive the reflection ray from test section and clear area;
The illumination that described two light sources send is mapped to test section and the clear area of test-strips, and then reflection feeds back detection information to processor via described photodetector reception.
This scheme only needs two light sources and a photodetector, simple in structure, cost is low, low in energy consumption, and light source is sufficient, the light reflecting effect is good.
In certain embodiments, this photodetector and two light sources be arranged in parallel, and the position between these two light sources, the test section of corresponding surveyed area, photodetector detects the reflected light from the aobvious band in two light source irradiation test sections, thereby processor receives the reaction result that the detection signal of photodetector is judged the test section.This compact conformation, light-receiving is effective, and testing result is accurate.In certain embodiments, this photodetector is the light sensation unit.
In certain embodiments, analysis and detection device of the present invention also comprises display screen and/or hummer and/or the pilot lamp of connecting circuit board.Can be arranged on when being communicated with conducting device, show corresponding signal on display screen, or the buzzing prompting, or the bright light prompting.
The present invention also provides a kind of analyzing detecting method, and it adopts aforesaid analysis and detection device with the humidity inductive function, and the processor of this analysis and detection device is provided with the threshold value that detects contrast, and this analyzing and testing comprises the steps:
(1) suction of analysis and detection device rod absorbs liquid sample to be detected, and transmits via Test paper is mobile;
(2) photoelectric detective circuit start detection program detects surveyed area, judges also Output rusults according to detected value and threshold comparison result:
Conducting device makes its conducting if liquid sample is flowed through, and detected value is more than or equal to threshold value, and then Output rusults one;
Conducting device makes its conducting if liquid sample is flowed through, and detected value is less than threshold value, and then Output rusults two;
If liquid sample does not make the conducting device conducting, then Output rusults three.
In certain embodiments, this conducting device comprises the rear end conduction electrode of the suction zone that connects photoelectric detective circuit and Test paper, and connects the photoelectric detective circuit front end conduction electrode excellent with suction; When the liquid sample front end conduction electrode of flowing through makes its conducting, conducting device is the rear end conduction electrode in the photoelectric detective circuit start detection program, described step (2).
Output rusults can have multiple display modes or prompting mode, can show the result in display screen, shows as adopting image or literal, in certain embodiments, described result one is " Pregnant ", and two is " NotPregnant " as a result, and three is " Error " as a result; Also can adopt pilot lamp to represent the result, for example adopt the pilot lamp of different colours to show three kinds of Different Results; Also can adopt sound to represent the result, for example buzzer or voice.
In certain embodiments, photoelectric detective circuit start detection program, two light sources are alternately luminous.This scheme only needs two light sources and a photodetector, simple in structure, cost is low, low in energy consumption, and light source is sufficient, the light reflecting effect is good.
Whether in certain embodiments, connect by the auditory tone cues conducting device, as in the conducting of front end conduction electrode, during photoelectric detective circuit start detection program, hummer rings; During rear end conduction electrode conducting, hummer rings.
The contrast prior art, the present invention has the following advantages:
Adopt analysis and detection device of the present invention and analyzing detecting method to chemically examine the thing analysis, at first draw liquid to be chemically examined by the rod that absorbs water, liquid is through the excellent flow detection test paper that absorbs water, connect photoelectric detective circuit, can connect conducting device through the liquid of Test paper simultaneously, the conducting device of connecting circuit board can inform processor with connection signal, and photoelectric detective circuit reads and detects data and judge the result via the processor analysis.This device be except can electronization detecting the analytical test thing, determines whether loading of Test paper thereby can sense suction zone humidity simultaneously, has higher accuracy in detection, reduces and detects error.Further, former and later two conduction electrodes can be very accurately intactly have been monitored the liquid loading process of Test paper, and the testing result accuracy improves greatly.
The trace routine of analyzing detecting method of the present invention is simply clear and definite, and low to the electronic devices and components requirement, cost is low, and Detection accuracy is high and stable.
 
[description of drawings]
Fig. 1 is the synoptic diagram of loam cake, lower cover and the inner structure of analysis and detection device of the present invention;
Fig. 2 is the STRUCTURE DECOMPOSITION synoptic diagram of analysis and detection device of the present invention;
Fig. 3 is the front elevation of the Test paper of analysis and detection device of the present invention;
Fig. 4 is the side view of the Test paper of analysis and detection device of the present invention;
Fig. 5 is the synoptic diagram that conduction electrode is set on the circuit board of analysis and detection device of the present invention;
Fig. 6 is for adding the synoptic diagram of test paper carriage on Fig. 5 basis;
Fig. 7 is for adding the synoptic diagram of Test paper on Fig. 6 basis;
Fig. 8 is the structural relation synoptic diagram of Test paper and conduction electrode in the analysis and detection device of the present invention;
Fig. 9 is the testing circuit synoptic diagram of analysis and detection device of the present invention;
Figure 10 is the construction module synoptic diagram of analysis and detection device of the present invention;
Figure 11 is the module diagram of analyzing detecting method of the present invention.
 
[embodiment]
See also Fig. 1 and Fig. 2, the analysis and detection device of band humidity inductive function of the present invention comprises by dismountable loam cake 1, lower cover 2, block 3 shells that form, be provided with circuit board 7, Test paper 5 between the inherent loam cake 1 of this shell and the lower cover 2, and support Test paper and separate Test paper 5 and the test paper carriage 4 of circuit board 7, Test paper 5 is overlapped with suction rod 6, this suction rod 6 stretches out loam cake 1 and lower cover 2, in order to draw testing liquid.
This circuit board 7 is provided with photoelectric detective circuit, microprocessor 22, battery 20, hummer 19 and the display screen 21 that is connected.This photoelectric detective circuit comprises two light sources 12 of finished product word arrangement, 13 and light sensation unit 14, circuit board 7 front ends are provided with front electric contact point 15,16, and conduction electrode 8,9 before connecting, circuit board 7 rear ends are provided with rear electric contact point 17,18, and conduction electrode 10,11 after connecting, conduction electrode 10,11 adopts metal spring after this.
See also Fig. 3 and Fig. 4, this Test paper 5 comprises sample region of acceptance 23, surveyed area 24, suction zone 25 successively, and this suction rod 6 is overlapped on the sample region of acceptance 23 of Test paper, and this surveyed area 24 comprises test section 241 and clear area 242.This test paper carriage 4 is provided with and light source 12,13 and the 14 corresponding perforates of light sensation unit, makes light source 12,13 can be radiated at test section 241 and clear area 242, and makes light sensation unit 14 can receive from the test section 241 and the light of clear area 242 reflections.
The test section of two light sources of this photoelectric detective circuit and described test-strips is corresponding with the position, clear area, can send the corresponding light in test section and clear area with described test-strips; Photodetector can receive the reflection ray from test section and clear area; The illumination that described two light sources send is mapped to test section and the clear area of test-strips, and then reflection feeds back detection information to processor via described photodetector reception.This scheme only needs two light sources and a photodetector, simple in structure, cost is low, low in energy consumption, and light source is sufficient, the light reflecting effect is good.
Please in conjunction with consulting Fig. 5 ~ 8, this front conduction electrode 8,9 connecting circuit boards 7 electric contact point 15,16 of going forward, and connect suction rod 6 and connect the sample region of acceptance 23 of Test paper 5 by the suction rod; Should after on conduction electrode 10,11 connecting circuit boards 7 after electric contact point 17,18 and the suction zone 25 of Test paper 5.
Adopt analysis and detection device of the present invention to chemically examine the thing analysis, at first draw liquid to be chemically examined by the rod that absorbs water, liquid is through the excellent flow detection test paper that absorbs water, connect photoelectric detective circuit, can connect conducting device through the liquid of Test paper simultaneously, the conducting device of connecting circuit board can inform processor with connection signal, and photoelectric detective circuit reads and detects data and judge the result via the processor analysis.The Continuity signal that processor receives conducting device represents that namely this Test paper loading process is complete, and testing result is effectively, if at the appointed time, the not conducting of rear conduction electrode, pass to the processor storage without Continuity signal, represent that namely this Test paper loading process is imperfect, this result is invalid.This device be except can electronization detecting the analytical test thing, determines whether loading of Test paper thereby can sense suction zone humidity simultaneously, has higher accuracy in detection, reduces and detects error.
Please in conjunction with consulting Fig. 9 ~ 11, the present invention also provides a kind of analyzing detecting method, and it adopts aforesaid analysis and detection device with the humidity inductive function, and the processor of this analysis and detection device is provided with the threshold value that detects contrast, and this analyzing and testing comprises the steps:
(1) suction of analysis and detection device rod 6 absorbs liquid sample to be detected, and flows via Test paper and to transmit, when the liquid sample front end conduction electrode 8,9 of flowing through makes its conducting, photoelectric detective circuit start detection program, otherwise Output rusults three;
(2) photoelectric detective circuit start detection program, two light sources are alternately luminous, and photoelectric detective circuit detects the detection zone 24 of Test paper, judges also Output rusults according to detected value and threshold comparison result:
Rear conduction electrode 10,11 makes its conducting if liquid sample is flowed through, and detected value is more than or equal to threshold value, and then Output rusults one;
Rear conduction electrode 10,11 makes its conducting if liquid sample is flowed through, and detected value is less than threshold value, and then Output rusults two;
If liquid sample does not make rear conduction electrode 10,11 conductings, then Output rusults three.
Output rusults can have multiple display modes or prompting mode, can show the result in display screen, shows as adopting image or literal, in certain embodiments, described result one is " Pregnant ", and two is " NotPregnant " as a result, and three is " Error " as a result; Also can adopt pilot lamp to represent the result, for example adopt the pilot lamp of different colours to show three kinds of Different Results; Also can adopt sound to represent the result, for example buzzer or voice.
Particularly, suction rod 6 absorbs enough liquid samples, and front conduction electrode 8,9 touches the liquid conducting, and the On current signal passes to microprocessor 22 through front electric contact point 15,16, and display screen shows the funnel pattern of waiting for.
The circuit board detecting program start, light source 12,13 is intermittently luminous, and light sensation unit 14 is start detection also, hummer 19 sound several, changing values are constantly tested in light sensation unit 14 within the regulation quiescent interval; The sample region of acceptance 23 of Test paper 5 receives liquid sample simultaneously, and then liquid flow is to surveyed area 24, flow to again suction zone 25, when liquid flows to suction zone 25, rear end conduction electrode 10,11 touches the liquid conducting, current signal through after electric contact point 17,18 pass to microprocessor 22, hummer 19 sound several, microprocessor 22 and this signal of memory storage.
If liquid sample contains detected material, then test section 241 colour developings, light sensation unit 14 detects the colour developing changing value more than or equal to setting value, and conduction electrode 10,11 touches the liquid conducting after in the stipulated time, microprocessor 22 stores the rear end Continuity signal into, then display screen 21 shows " Pregnant ", hummer 19 sound several, if conduction electrode 10,11 does not touch liquid after in the stipulated time, microprocessor 22 does not store the rear end Continuity signal into, then display screen 21 shows " Error ", hummer 19 sound several; Liquid sample is without detected material, then do not develop the color or light sensation unit 14 detects the colour developing changing values less than setting value in test section 241, and conduction electrode 10,11 touches the liquid conducting after in the stipulated time, microprocessor 22 stores the rear end Continuity signal into, 21 demonstrations of display screen " NotPregnant ", hummer 19 sound several, if conduction electrode 10,11 does not touch liquid after in the stipulated time, microprocessor 22 does not store the rear end Continuity signal into, then display screen 21 shows " Error ", hummer 19 sound several.
In the present embodiment, processor is provided with corresponding signal storage module in order to store detection signal and Continuity signal, the time control module detects sequential in order to control, data comparison module is in order to compare detected value and to be connected with the setting value module with preset value, speech control module is used for voice suggestion, and the display logic control module is in order to show testing result.
The above is preferred embodiment of the present invention only, and protection scope of the present invention is not limited to this, anyly all belongs within the protection domain of the present invention based on the equivalent transformation on the technical solution of the present invention.

Claims (14)

1. analysis and detection device with the humidity inductive function, it comprises Test paper, the suction rod, circuit board, this Test paper comprises the sample region of acceptance successively, surveyed area, suction zone, this suction rod is overlapped on the sample region of acceptance of Test paper, this circuit board is provided with photoelectric detective circuit and processor, described photoelectric detective circuit detects the light reflection strength signal of surveyed area, and feedback detection information is to processor, it is characterized in that, also comprise the conducting device that is electrically connected with the photoelectric detective circuit of circuit board, this conducting device also contacts with Test paper.
2. the analysis and detection device with the humidity inductive function as claimed in claim 1 is characterized in that, this conducting device comprises the rear end conduction electrode of the suction zone that connects photoelectric detective circuit and Test paper.
3. the analysis and detection device with the humidity inductive function as claimed in claim 2 is characterized in that, this conducting device also comprises the front end conduction electrode that connects photoelectric detective circuit and suction rod.
4. as claimed in claim 2 or claim 3 with the analysis and detection device of humidity inductive function, it is characterized in that this rear end conduction electrode is spring.
5. as claimed in claim 2 or claim 3 with the analysis and detection device of humidity inductive function, it is characterized in that this front end conduction electrode or rear end conduction electrode are connected with the photoelectric detective circuit of circuit board by electrode contact blade.
6. as claimed in claim 2 or claim 3 with the analysis and detection device of humidity inductive function, it is characterized in that, this surveyed area comprises detection zone and clear area, and described photoelectric detective circuit detects the light reflection strength signal of detection zone and clear area, and feedback detection information is to processor.
7. the analysis and detection device with the humidity inductive function as claimed in claim 6 is characterized in that, this photoelectric detective circuit comprises:
Two light sources, corresponding with the position, clear area with the test section of described test-strips, can send the corresponding light in test section and clear area with described test-strips; With
Photodetector can receive the reflection ray from test section and clear area;
The illumination that described two light sources send is mapped to test section and the clear area of test-strips, and then reflection feeds back detection information to processor via described photodetector reception.
8. the analysis and detection device with the humidity inductive function as claimed in claim 7 is characterized in that, this photodetector and two light sources be arranged in parallel, and the position between these two light sources.
9. as claimed in claim 2 or claim 3 with the analysis and detection device of humidity inductive function, it is characterized in that, also comprise display screen and/or hummer and/or the pilot lamp of connecting circuit board.
10. analyzing detecting method, it adopts such as each described analysis and detection device with the humidity inductive function of claim 1 ~ 9, and the processor of this analysis and detection device is provided with the threshold value that detects contrast, it is characterized in that it comprises the steps:
(1) suction of analysis and detection device rod absorbs liquid sample to be detected, and transmits via Test paper is mobile;
(2) photoelectric detective circuit start detection program detects surveyed area, judges also Output rusults according to detected value and threshold comparison result:
Conducting device makes its conducting if liquid sample is flowed through, and detected value is more than or equal to threshold value, and then Output rusults one;
Conducting device makes its conducting if liquid sample is flowed through, and detected value is less than threshold value, and then Output rusults two;
If liquid sample does not make the conducting device conducting, then Output rusults three.
11. analyzing detecting method as claimed in claim 10 is characterized in that, this conducting device comprises the rear end conduction electrode of the suction zone that connects photoelectric detective circuit and Test paper, and connects the photoelectric detective circuit front end conduction electrode excellent with suction; When the liquid sample front end conduction electrode of flowing through makes its conducting, conducting device is the rear end conduction electrode in the photoelectric detective circuit start detection program, described step (2).
12. analyzing detecting method as claimed in claim 11 is characterized in that, described result one is " Pregnant ", and two is " NotPregnant " as a result, and three is " Error " as a result.
13. analyzing detecting method as claimed in claim 12 is characterized in that, photoelectric detective circuit start detection program, and two light sources are alternately luminous.
14. analyzing detecting method as claimed in claim 13 is characterized in that, the conducting of front end conduction electrode, and during photoelectric detective circuit start detection program, hummer rings; During rear end conduction electrode conducting, hummer rings.
CN2012104122437A 2012-10-25 2012-10-25 Analysis detecting device with humidity sensing function and analysis detecting method Pending CN102901808A (en)

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PCT/CN2012/087374 WO2014063419A1 (en) 2012-10-25 2012-12-25 Analysis and detection apparatus with humidity sensing function, and analysis and detection method

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CN105067382B (en) * 2015-08-27 2018-03-13 广州万孚生物技术股份有限公司 Detection means and its suction lining bar fixed mechanism and assemble method
CN105572395A (en) * 2015-10-30 2016-05-11 杭州康永生物技术有限公司 Test electronic pen
CN105572395B (en) * 2015-10-30 2018-03-27 杭州康永生物技术有限公司 One kind test electronic pen
CN109580612A (en) * 2019-01-02 2019-04-05 安徽建筑大学 A kind of novel electron tests pregnant circuit
CN110716059A (en) * 2019-09-27 2020-01-21 深圳市启蒙智慧医疗科技有限公司 Pregnancy test detection method, storage medium, control terminal and intelligent pregnancy test rod
CN110716059B (en) * 2019-09-27 2023-07-25 深圳市启蒙智慧医疗科技有限公司 Pregnancy test detection method, storage medium, control terminal and intelligent pregnancy test rod

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