CN102200478A - Multi-channel pyroelectricity infrared sensor tester - Google Patents
Multi-channel pyroelectricity infrared sensor tester Download PDFInfo
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- CN102200478A CN102200478A CN 201110061323 CN201110061323A CN102200478A CN 102200478 A CN102200478 A CN 102200478A CN 201110061323 CN201110061323 CN 201110061323 CN 201110061323 A CN201110061323 A CN 201110061323A CN 102200478 A CN102200478 A CN 102200478A
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- sensor tester
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Abstract
The invention belongs to the technical field of test equipment and provides a multi-channel pyroelectricity infrared sensor tester. The multi-channel pyroelectricity infrared sensor tester is characterized in that: a sealed specific constant-temperature black body device with a hole in the front part is arranged in a box body; a transmission channel consisting of a circuit board, a grating device, a radiation channel and a test plug-in unit is arranged between the hole end face of a black body and the front end of the box body; and a voltage meter, a control switch and a control conversion switch are arranged on the front of the box body. By the multi-channel pyroelectricity infrared sensor tester, a parameter of a pyroelectricity infrared sensor can be tested accurately, so the pyroelectricity infrared sensor can be matched with an induction module perfectly; and the stability of the multi-channel pyroelectricity infrared sensor tester can be achieved.
Description
Technical field
The invention belongs to the testing apparatus technical field, relate to a kind of tester, be specifically related to a kind of multi-channel heat release electric infrared sensor tester.
Background technology
Pyroelectric infrared sensor is that it is a kind of sensor that infrared radiation signal is changed into electric signal, is widely used in every profession and trade according to a kind of thermosensitive type detector of pyroelectric effect design.Yet,
The dedicated tester that does not have pyroelectric infrared sensor on the existing market, its method of testing also utilizes human body and induction module to carry out the simulated field test mostly, its testing efficiency is low and can not test the parameter of pyroelectric infrared sensor own, a lot of Infrared intrusion detector manufacturers exist pyroelectric infrared sensor and the unmatched problem of induction module when using pyroelectric infrared sensor, different product in use its stability can not get ensureing, so need a kind of pyroelectric infrared sensor tester to solve the problems referred to above.
Summary of the invention
The inventor finds that in daily work the method for testing of existing pyroelectric infrared sensor exists above-mentioned defective, through constantly exploring development, technical matters to be solved by this invention provides a kind of parameter that can accurately test pyroelectric infrared sensor, make pyroelectric infrared sensor and induction module Perfect Matchings, reach the multi-channel heat release electric infrared sensor tester of its product stability.
The present invention is that to solve the problems of the technologies described above the technical scheme of being taked be that the structure of this multi-channel heat release electric infrared sensor tester comprises the tester casing, in casing, establish a sealing, the front portion offers porose specific constant temperature black matrix device, to establishing the propagation ducts that circuit board, mounting for grating, radiation channel, probe card connect and compose between the casing front end successively, on the front of casing, establish voltage table, gauge tap and control transformation switch at black matrix perforate end face.
Described mounting for grating comprises motor, motor fixing seat, long bent axle, short bent axle, grating, and motor is connected with short bent axle by long bent axle with grating.
Described radiation channel is by stent support.
For the infrared heat radiation that produces in the black matrix can be radiate effectively, the hole that the black matrix front portion is offered can be a plurality of, and correspondent voltage table, radiation channel, probe card correspondence are established a plurality of.
For the electrical signal conversion of the pyroelectric infrared sensor that collects is become simulating signal, display noise voltage Vn and output crest voltage Vpp are so that test can be equipped with an oscillograph and be used for showing clearly.
The present invention adopts technique scheme, be provided with plurality of opening in constant temperature black matrix front portion, the device that rotates with characteristic frequency is housed in it, make infrared heat radiation that the constant temperature black matrix propagates out propagate into assigned address with specific frequency by the propagation ducts in black matrix the place ahead, pyroelectric sensor is by probe card and circuit board, clearly be presented on the oscillographic display screen after by oscillograph electrical signal conversion being become simulating signal again, thereby effectively reach the test effect.
Description of drawings
Fig. 1 is the three-dimensional decomposition texture synoptic diagram of multi-channel heat release electric infrared sensor tester of the present invention;
Fig. 2 is a perspective view of the present invention.
Embodiment
Specify below in conjunction with the structure of accompanying drawing multi-channel heat release electric infrared sensor tester of the present invention.
Referring to Fig. 1, Fig. 2, the structure of multi-channel heat release electric infrared sensor tester of the present invention comprises tester casing 1, in casing 1, establish a sealing, the front portion offers porose specific constant temperature black matrix 2 device, to the propagation ducts of establishing circuit board 4, mounting for grating, radiation channel 10, probe card 11 formations between casing 1 front end successively, on the front of casing 1, establish voltage table 13, gauge tap 14 and control transformation switch 15 at black matrix 2 perforates 3 end faces.Wherein mounting for grating comprises motor 6, motor fixing seat 7, long bent axle 8, short bent axle 9, grating 5, motor 6 is fixed on the motor fixing seat 7, motor 6 is connected with short bent axle 9 by long bent axle 8 with grating 5, and rotate with characteristic frequency, the infrared heat radiation that black matrix 2 is propagated come out with characteristic frequency to external radiation; Radiation channel 10 is supported by the support (not shown), and this passage helps the infrared heat radiation and can be radiated on the appointed positions; Voltage table is used to show the source voltage numerical value of pyroelectric infrared sensor; Switch can be changed between the noise voltage Vn of pyroelectric infrared sensor and signal output peak value Vpp; For the electrical signal conversion of the pyroelectric infrared sensor that collects is become simulating signal, display noise voltage Vn and output crest voltage Vpp are so that test clearly, and the present invention can be equipped with an oscillograph 12 and be used for showing; For the infrared heat radiation that produces in the black matrix 2 can be radiate effectively, the hole 3 that black matrix 2 front portions are offered can be a plurality of, shown in the figure be four, so that the more pyroelectric infrared sensor of disposable test, correspondent voltage table 13, radiation channel 10, probe card 11 correspondences are established a plurality of simultaneously.
Principle of work of the present invention is that this makes black matrix 2 remain on 147 ℃ temperature constant state by the temperature controller (not shown), black matrix 2 front portions are provided with several suitable perforates 3, a grating 5 is arranged before the hole, grating 5 and motor 6, motor fixing seat 7, long bent axle 8, short bent axle 9 is connected to form the parts that a fixed frequency is rotated, the infrared heat radiation of black matrix 2 inside is radiated probe card 11 by grating 5 and radiation channel 10, circuit board 4 is by the pyroelectric infrared sensor data on the compare test plug-in unit 11, be transferred to oscillograph 12 again, oscillograph 12 converts digital signal to simulating signal and is presented on the display screen, the infrared heat radiation that black matrix 2 propagation are come out is presented on the display screen of oscillograph 12 its signal output peak value Vpp, and by control transformation switch 15, oscillograph 12 shows its noise voltage Vn, voltage table 13 shows its source voltage Vs, show the signal output peak value Vpp and the source voltage Vs of pyroelectric infrared sensor again by gauge tap 14 respectively, thereby finish the test job of pyroelectric infrared sensor.
Claims (5)
1. multi-channel heat release electric infrared sensor tester, comprise the tester casing, it is characterized in that in casing, establishing a sealing, the front portion offers porose specific constant temperature black matrix device, to establishing the propagation ducts that circuit board, mounting for grating, radiation channel, probe card connect and compose between the casing front end successively, on the front of casing, establish voltage table, gauge tap and control transformation switch at black matrix perforate end face.
2. multi-channel heat release electric infrared sensor tester as claimed in claim 1 is characterized in that described mounting for grating comprises motor, motor fixing seat, long bent axle, short bent axle, grating, and motor is connected with short bent axle by long bent axle with grating.
3. multi-channel heat release electric infrared sensor tester as claimed in claim 1 is characterized in that described radiation channel is by stent support.
4. multi-channel heat release electric infrared sensor tester as claimed in claim 1, it is a plurality of to it is characterized in that hole that the black matrix front portion is offered can be, and correspondent voltage table, radiation channel, probe card correspondence are established a plurality of.
5. multi-channel heat release electric infrared sensor tester as claimed in claim 1 is characterized in that being equipped with an oscillograph and is used for showing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110061323 CN102200478A (en) | 2011-03-15 | 2011-03-15 | Multi-channel pyroelectricity infrared sensor tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110061323 CN102200478A (en) | 2011-03-15 | 2011-03-15 | Multi-channel pyroelectricity infrared sensor tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102200478A true CN102200478A (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110061323 Pending CN102200478A (en) | 2011-03-15 | 2011-03-15 | Multi-channel pyroelectricity infrared sensor tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105232A (en) * | 2012-11-27 | 2013-05-15 | 凯迈（洛阳）测控有限公司 | Diaphragm black body |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030042422A1 (en) * | 2001-08-30 | 2003-03-06 | Roberts D. Allan | Trap blackbody |
| US6585410B1 (en) * | 2001-05-03 | 2003-07-01 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Radiant temperature nulling radiometer |
| CN2875902Y (en) * | 2005-12-23 | 2007-03-07 | 张颖 | Multipurpose calibration instrument of infrared ray axle temperature detecting equipment |
| CN101183026A (en) * | 2007-11-16 | 2008-05-21 | 中华人民共和国中山出入境检验检疫局 | Infrared temperature measurement online self-calibrating equipment and method thereof |
| CN101520343A (en) * | 2009-03-25 | 2009-09-02 | 中国科学院上海技术物理研究所 | Assembling and aligning device and method for thermal infrared spectrum imaging system |
-
2011
- 2011-03-15 CN CN 201110061323 patent/CN102200478A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6585410B1 (en) * | 2001-05-03 | 2003-07-01 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Radiant temperature nulling radiometer |
| US20030042422A1 (en) * | 2001-08-30 | 2003-03-06 | Roberts D. Allan | Trap blackbody |
| CN2875902Y (en) * | 2005-12-23 | 2007-03-07 | 张颖 | Multipurpose calibration instrument of infrared ray axle temperature detecting equipment |
| CN101183026A (en) * | 2007-11-16 | 2008-05-21 | 中华人民共和国中山出入境检验检疫局 | Infrared temperature measurement online self-calibrating equipment and method thereof |
| CN101520343A (en) * | 2009-03-25 | 2009-09-02 | 中国科学院上海技术物理研究所 | Assembling and aligning device and method for thermal infrared spectrum imaging system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105232A (en) * | 2012-11-27 | 2013-05-15 | 凯迈（洛阳）测控有限公司 | Diaphragm black body |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20110928 |