CN202886379U - Analysis and detection device with humidity sensing function - Google Patents
Analysis and detection device with humidity sensing function Download PDFInfo
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- CN202886379U CN202886379U CN 201220550710 CN201220550710U CN202886379U CN 202886379 U CN202886379 U CN 202886379U CN 201220550710 CN201220550710 CN 201220550710 CN 201220550710 U CN201220550710 U CN 201220550710U CN 202886379 U CN202886379 U CN 202886379U
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Abstract
The utility model provides an analysis and detection device with a humidity sensing function, which comprises a piece of test paper, a water absorption rod and a circuit board, wherein the test paper sequentially comprises a sample receiving area, a detection area and a water absorption area; the water absorption rod is lap joint in the sample receiving area of the test paper; the circuit board is provided with a photoelectric detection circuit and a processor; the analysis and detection device also comprises a conducting device which is electrically connected with the photoelectric detection circuit of the circuit board; and the conducting device is also contacted with the test paper. An analysis and detection method comprises the steps of: (1) absorbing a liquid sample to be detected by using the water absorption rod of the analysis and detection device, and sending the liquid sample by the test paper in a flowing way; and (2) starting a detection program by the photoelectric detection circuit, detecting the detection area, judging according to a comparison result between a detection value and a threshold value, and finally outputting the result. The analysis and detection device and the analysis and detection method are high in detection accuracy and reduce the detection errors.
Description
[technical field]
The utility model relates to the chemical examination detection field, refers in particular to a kind of analysis and detection device with the humidity inductive function.
[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 is real in necessary accurately for testing result.
[summary of the invention]
Thereby the purpose of this utility model 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.
For realizing the utility model purpose, provide following technical scheme:
The utility model provides a kind of analysis and detection device with the humidity inductive function, it comprises Test paper, suction rod, circuit board, this Test paper comprises sample region of acceptance, surveyed area, suction zone successively, 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, 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 the utility model analysis and detection device 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, the utility model analysis and detection device 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 processor of the analysis and detection device of the utility model band humidity inductive function is provided with the threshold value that detects contrast, uses the concrete analysis detection of this device to comprise 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.
The contrast prior art the utlity model has following advantage:
Adopt the utility model analysis and detection device 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.
[description of drawings]
Fig. 1 is the synoptic diagram of loam cake, lower cover and the inner structure of the utility model analysis and detection device;
Fig. 2 is the STRUCTURE DECOMPOSITION synoptic diagram of the utility model analysis and detection device;
Fig. 3 is the front elevation of the Test paper of the utility model analysis and detection device;
Fig. 4 is the side view of the Test paper of the utility model analysis and detection device;
Fig. 5 is the synoptic diagram that conduction electrode is set on the circuit board of the utility model analysis and detection device;
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 utility model analysis and detection device;
Fig. 9 is the testing circuit synoptic diagram of the utility model analysis and detection device;
Figure 10 is the construction module synoptic diagram of the utility model analysis and detection device;
Figure 11 is the module diagram that the utility model analysis and detection device carries out the analyzing and testing operation.
[embodiment]
See also Fig. 1 and Fig. 2, the analysis and detection device of the utility model band humidity inductive function 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 the utility model analysis and detection device 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.
The processor of the analysis and detection device of the utility model band humidity inductive function is provided with the threshold value that detects contrast, uses the concrete analysis detection of this device to comprise 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.
Please in conjunction with consulting Fig. 9 ~ 11, adopt the analysis and detection device of the utility model band humidity inductive function to carry out analyzing and testing, one of them specific embodiment, the processor of this analysis and detection device are 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:
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 only is preferred embodiment of the present utility model, and protection domain of the present utility model is not limited to this, anyly all belongs within the utility model protection domain based on the equivalent transformation on the technical solutions of the utility model.
Claims (9)
1. analysis and detection device with the humidity inductive function, it comprises Test paper, suction rod, circuit board, this Test paper comprises sample region of acceptance, surveyed area, suction zone successively, 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, 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 that connects photoelectric detective circuit and suction rod.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550710 CN202886379U (en) | 2012-10-25 | 2012-10-25 | Analysis and detection device with humidity sensing function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550710 CN202886379U (en) | 2012-10-25 | 2012-10-25 | Analysis and detection device with humidity sensing function |
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| CN202886379U true CN202886379U (en) | 2013-04-17 |
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| CN 201220550710 Expired - Lifetime CN202886379U (en) | 2012-10-25 | 2012-10-25 | Analysis and detection device with humidity sensing function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014063419A1 (en) * | 2012-10-25 | 2014-05-01 | 广州万孚生物技术股份有限公司 | Analysis and detection apparatus with humidity sensing function, and analysis and detection method |
| WO2016155438A1 (en) * | 2015-03-27 | 2016-10-06 | 广州万孚生物技术股份有限公司 | Electronic detection apparatus |
| CN108169226A (en) * | 2018-02-10 | 2018-06-15 | 天津果实科技有限公司 | A kind of portable urinalysis device |
| CN110275016A (en) * | 2019-07-25 | 2019-09-24 | 烟台简单生物技术有限公司 | A kind of fluorescence micro-fluidic detection pen and labelled reagent plate |
-
2012
- 2012-10-25 CN CN 201220550710 patent/CN202886379U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014063419A1 (en) * | 2012-10-25 | 2014-05-01 | 广州万孚生物技术股份有限公司 | Analysis and detection apparatus with humidity sensing function, and analysis and detection method |
| WO2016155438A1 (en) * | 2015-03-27 | 2016-10-06 | 广州万孚生物技术股份有限公司 | Electronic detection apparatus |
| CN108169226A (en) * | 2018-02-10 | 2018-06-15 | 天津果实科技有限公司 | A kind of portable urinalysis device |
| CN110275016A (en) * | 2019-07-25 | 2019-09-24 | 烟台简单生物技术有限公司 | A kind of fluorescence micro-fluidic detection pen and labelled reagent plate |
| CN110275016B (en) * | 2019-07-25 | 2023-11-17 | 山东新域生物技术有限公司 | Fluorescent microfluidic detection pen and marking reagent plate |
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Granted publication date: 20130417 |
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