CN108645521A - A kind of pyroelectric sensor - Google Patents
A kind of pyroelectric sensor Download PDFInfo
- Publication number
- CN108645521A CN108645521A CN201810439080.9A CN201810439080A CN108645521A CN 108645521 A CN108645521 A CN 108645521A CN 201810439080 A CN201810439080 A CN 201810439080A CN 108645521 A CN108645521 A CN 108645521A
- Authority
- CN
- China
- Prior art keywords
- pin
- pedestal
- pin set
- induction member
- pyroelectric sensor
- 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.)
- Pending
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000006698 induction Effects 0.000 claims abstract description 25
- 230000003287 optical effect Effects 0.000 claims abstract description 12
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052709 silver Inorganic materials 0.000 claims abstract description 7
- 239000004332 silver Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses a kind of pyroelectric sensor, including pipe cap, pedestal, pipe cap is mounted on pedestal;It is provided with optical filter at the top of pipe cap;Pin set is provided on pedestal, pin set is supported by induction member, pin set and induction member;The induction member includes receiving module, output module, the receiving module is for receiving by the filtered infrared signal of the optical filter and being converted into voltage signal, the output end of the receiving module connects the input terminal of the output module, it is connected by silver paste between the output module and the pin set, the output module transfers out the voltage signal that receiving module transmission comes from the pin set.The present invention improves anti-interference ability by incuding first direct voltage output signal, saves packaging cost.
Description
Technical field
The present invention relates to detecting devices technical fields, more particularly to a kind of pyroelectric sensor.
Background technology
Existing pyroelectric sensor draws signal using technotron, incudes the signal and junction field of member
Pipe is unable to direct-coupling, and pyroelectric sensor uses technotron there are Dc bias, and signal can be by junction type field
The noise coupling influence of effect pipe, to affect the normal operation of the equipment, product structure is complicated and unstable, and packaging cost is high.
Invention content
The purpose of the present invention is to provide a kind of pyroelectric sensors simple in structure, strong antijamming capability.
A kind of pyroelectric sensor disclosed by the invention the technical solution adopted is that:A kind of pyroelectric sensor, including pipe
Cap, pedestal, the pipe cap are mounted on the pedestal, form cavity between the pipe cap and the pedestal, set in the cavity
It is equipped with the induction member for incuding infrared signal.
Pin set is provided on the pedestal, the cavity is stretched into one end of the pin set, and the pin set stretches into institute
The apical support for stating cavity has induction member, is connected by silver paste between the pin set and induction member, the pin set
The other end is stretched out from the bottom of the pedestal transmits a signal to external equipment.
The induction member includes receiving module, output module, and the receiving module passes through the optical filter mistake for receiving
Infrared signal after filter is simultaneously converted into voltage signal, and the output end of the receiving module connects the input of the output module
End, is connected between the output module and the pin set by silver paste, and the output module transmits the receiving module to come
Voltage signal transferred out from the pin set.
Preferably, opening is equipped at the top of the pipe cap, the opening has optical filter by conductive adhesive, described
Optical filter is used to filter the extraneous infrared signal for being transferred to inside.
Preferably, the pedestal is equipped with through-hole, and the pin set is arranged in the through-hole of the pedestal.
Preferably, the pin set includes the first pin and second pin, first pin and described second
One end that pin stretches into the cavity is respectively formed T-type pin frame, and first pin and the second pin are used to support described
Induction member simultaneously gives the signal transmission of the induction member to outside.
Preferably, the pin set further includes having third pin, and third pin one end is welded on the base
On seat, the other end of the third pin is grounded.
Preferably, it is additionally provided with silica gel pad between the induction member and the pedestal.
The present invention provides a kind of pyroelectric sensor, incudes the external infrared signal of receiving module induction of member, receives mould
Block is influenced to generate pyroelectric effect by infrared signal, and internal electronics to accumulation at low temperature from generating current signal at high temperature, so
Current signal is converted into voltage signal by receiving module afterwards, and the output module for incuding member is directly defeated by pin set by voltage signal
Go out.The present invention by incude member infrared signal is directly converted into voltage signal, and directly connect with pin then with outside
Connection so that signal can be exported directly, and since the interference of not no intermediate circuit improves the anti-interference ability of product, product is more
The stabilization added, and it is simple in structure, reduce packaging cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of the pyroelectric sensor of the present invention;
Fig. 2 is the structure front view of the pyroelectric sensor of the present invention.
Specific implementation mode
The present invention is further elaborated and is illustrated with reference to specific embodiment and Figure of description:Please refer to Fig.1,2,
A kind of pyroelectric sensor, including pipe cap 10, pedestal 20, the pipe cap 10 are mounted on the pedestal 20,10 He of the pipe cap
Cavity is formed between the pedestal 20, and induction member 50 is provided in the cavity.
Pin set 40 is provided on the pedestal 20, the cavity, the pin set are stretched into one end of the pin set 40
40 apical supports for stretching into the cavity have induction member 50, are connected by silver paste between the pin set 40 and induction member 50
It connects, the other end of the pin set 40 is stretched out from the bottom of the pedestal 20 transmits a signal to external equipment.Pin set 40 and sense
It answers member 50 to be directly connected to, reduces the interference of intermediate circuit, the thermal field of product is more stablized.
The induction member 50 includes receiving module, output module, and the receiving module passes through the optical filter for receiving
Filtered infrared signal is simultaneously converted into voltage signal, and the output end of the receiving module connects the input of the output module
End, is connected between the output module and the pin set by silver paste, and the output module transmits the receiving module to come
Voltage signal transferred out from the pin set 40.
10 top of the pipe cap is equipped with opening, and the opening has optical filter 30, the optical filter 30 by conductive adhesive
For filtering the extraneous infrared signal for being transferred to inside.The optical filter 30 can incude the far red light of 4~14um.
The pedestal 20 is equipped with through-hole, and the pin set 40 is arranged in the through-hole of the pedestal 20.The pin set
40 include the first pin 42 and second pin 44, and first pin 42 and the second pin 44 stretch into one end of the cavity
It is respectively formed T-type pin frame, first pin 42 and the second pin 44 are used to support the induction member 50 and by the senses
Answer the signal transmission of member 50 to outside.The pin set 40 further includes having third pin 46,46 one end of third pin welding
On the pedestal 20, the other end of the third pin 46 is grounded.
It is additionally provided with silica gel pad 60 between the induction member 50 and the pedestal 20.60 feeling of support Ying Yuan of silica gel pad
50, improve the mechanical strength of product.
The encapsulation of the pedestals such as TO46, TO5, TO39 may be used in the pedestal, and standard technology can improve the property of Product Assembly
Energy.
The present invention provides a kind of pyroelectric sensor, incudes the external infrared signal of receiving module induction of member, receives mould
Block is influenced to generate pyroelectric effect by infrared signal, and internal electronics to accumulation at low temperature from generating current signal at high temperature, so
Current signal is converted into voltage signal by receiving module afterwards, and the output module for incuding member is directly defeated by pin set by voltage signal
Go out.The present invention by incude member infrared signal is directly converted into voltage signal, and directly connect with pin then with outside
Connection so that signal can be exported directly, and since the interference of not no intermediate circuit improves the anti-interference ability of product, product is more
The stabilization added, and it is simple in structure, reduce packaging cost.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although being explained in detail to the present invention with reference to preferred embodiment, those skilled in the art answer
Work as understanding, technical scheme of the present invention can be modified or replaced equivalently, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (6)
1. a kind of pyroelectric sensor, it is characterised in that:Including pipe cap, pedestal, the pipe cap is mounted on the pedestal, described
Cavity is formed between pipe cap and the pedestal, and the induction member for incuding infrared signal is provided in the cavity;The base
It is provided with pin set on seat, the cavity is stretched into one end of the pin set, and the pin set stretches into the top branch of the cavity
Support has induction member, is connected by silver paste between the pin set and the induction are first, and the other end of the pin set is from the base
The bottom of seat, which is stretched out, transmits a signal to external equipment;The induction member includes receiving module, output module, and the receiving module is used
In receiving by the filtered infrared signal of the optical filter and being converted into voltage signal, the output end of the receiving module connects
The input terminal of the output module is connect, is connected by silver paste between the output module and the pin set, the output module
The voltage signal that receiving module transmission comes is transferred out from the pin set.
2. pyroelectric sensor as described in claim 1, it is characterised in that:Opening, the opening are equipped at the top of the pipe cap
There are optical filter, the optical filter to be used to filter the extraneous infrared signal for being transferred to inside by conductive adhesive.
3. pyroelectric sensor as described in claim 1, it is characterised in that:The pedestal is equipped with through-hole, the pin set
It is arranged in the through-hole of the pedestal.
4. pyroelectric sensor as described in claim 1, it is characterised in that:The pin set is drawn including the first pin and second
One end that foot, first pin and the second pin stretch into the cavity is respectively formed T-type pin frame, first pin and
The second pin is used to support the induction member and by the signal transmission of the induction member to outside.
5. pyroelectric sensor as described in claim 1, it is characterised in that:The pin set further includes having third pin, institute
It states third pin one end to be welded on the pedestal, the other end ground connection of the third pin.
6. pyroelectric sensor as described in claim 1, it is characterised in that:It is also set up between the induction member and the pedestal
There is silica gel pad.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810439080.9A CN108645521A (en) | 2018-05-09 | 2018-05-09 | A kind of pyroelectric sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810439080.9A CN108645521A (en) | 2018-05-09 | 2018-05-09 | A kind of pyroelectric sensor |
Publications (1)
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CN108645521A true CN108645521A (en) | 2018-10-12 |
Family
ID=63754173
Family Applications (1)
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CN201810439080.9A Pending CN108645521A (en) | 2018-05-09 | 2018-05-09 | A kind of pyroelectric sensor |
Country Status (1)
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CN (1) | CN108645521A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112985594A (en) * | 2021-03-10 | 2021-06-18 | 电子科技大学 | Frequency type photoelectric converter, device and method |
CN112985593A (en) * | 2021-03-10 | 2021-06-18 | 电子科技大学 | Frequency type photoelectric converter, device and method |
Citations (9)
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---|---|---|---|---|
US5998791A (en) * | 1996-08-23 | 1999-12-07 | Alps Electric Co., Ltd. | Thermally sensitive element and radiation sensor |
CN101019231A (en) * | 2004-09-15 | 2007-08-15 | 揖斐电株式会社 | Lead pin for mounting semiconductor and printed wiring board |
CN103943771A (en) * | 2014-05-12 | 2014-07-23 | 中国科学院上海硅酸盐研究所 | Relaxation ferroelectric monocrystal pyroelectric infrared detector and preparation method thereof |
CN105387943A (en) * | 2015-11-02 | 2016-03-09 | 电子科技大学 | Pyroelectric unit detector |
CN105509891A (en) * | 2015-11-27 | 2016-04-20 | 电子科技大学 | Large-visual-field array infrared detector |
CN105917201A (en) * | 2015-06-02 | 2016-08-31 | 东莞传晟光电有限公司 | Pyroelectric sensor |
CN205723555U (en) * | 2016-04-12 | 2016-11-23 | 南阳森霸光电股份有限公司 | A kind of pyroelectric infrared sensor of novel package structure |
CN106644100A (en) * | 2017-02-16 | 2017-05-10 | 东莞传晟光电有限公司 | 360-degree induction pyroelectric infrared sensor |
CN207050859U (en) * | 2017-05-17 | 2018-02-27 | 南阳森霸光电股份有限公司 | A kind of pyroelectric infrared detector |
-
2018
- 2018-05-09 CN CN201810439080.9A patent/CN108645521A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5998791A (en) * | 1996-08-23 | 1999-12-07 | Alps Electric Co., Ltd. | Thermally sensitive element and radiation sensor |
CN101019231A (en) * | 2004-09-15 | 2007-08-15 | 揖斐电株式会社 | Lead pin for mounting semiconductor and printed wiring board |
CN103943771A (en) * | 2014-05-12 | 2014-07-23 | 中国科学院上海硅酸盐研究所 | Relaxation ferroelectric monocrystal pyroelectric infrared detector and preparation method thereof |
CN105917201A (en) * | 2015-06-02 | 2016-08-31 | 东莞传晟光电有限公司 | Pyroelectric sensor |
CN105387943A (en) * | 2015-11-02 | 2016-03-09 | 电子科技大学 | Pyroelectric unit detector |
CN105509891A (en) * | 2015-11-27 | 2016-04-20 | 电子科技大学 | Large-visual-field array infrared detector |
CN205723555U (en) * | 2016-04-12 | 2016-11-23 | 南阳森霸光电股份有限公司 | A kind of pyroelectric infrared sensor of novel package structure |
CN106644100A (en) * | 2017-02-16 | 2017-05-10 | 东莞传晟光电有限公司 | 360-degree induction pyroelectric infrared sensor |
CN207050859U (en) * | 2017-05-17 | 2018-02-27 | 南阳森霸光电股份有限公司 | A kind of pyroelectric infrared detector |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112985594A (en) * | 2021-03-10 | 2021-06-18 | 电子科技大学 | Frequency type photoelectric converter, device and method |
CN112985593A (en) * | 2021-03-10 | 2021-06-18 | 电子科技大学 | Frequency type photoelectric converter, device and method |
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