CN204085703U - A kind of infrared sensor - Google Patents
A kind of infrared sensor Download PDFInfo
- Publication number
- CN204085703U CN204085703U CN201420561711.1U CN201420561711U CN204085703U CN 204085703 U CN204085703 U CN 204085703U CN 201420561711 U CN201420561711 U CN 201420561711U CN 204085703 U CN204085703 U CN 204085703U
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- China
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- support post
- symmetric support
- thermoelectric element
- above described
- pedestal
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model relates to a kind of infrared sensor, comprise pin, pedestal is provided with above described pin, the first symmetric support post is provided with above described pedestal, circuit component is provided with between described first symmetric support post, PET pipe is provided with above described circuit component, described first symmetric support post, a PZT thermoelectric element is provided with above PET pipe, the second symmetric support post is provided with above a described PZT thermoelectric element, the 2nd PZT thermoelectric element is provided with above described second symmetric support post, the 3rd symmetric support post is provided with above described 2nd PZT thermoelectric element, optical filter is provided with above described 3rd symmetric support post, described pedestal and shell form enclosed construction, described housing top end is provided with window.The utility model structure is simple, cheap for manufacturing cost, volume is little, is conducive to highly integrated.
Description
Technical field
The utility model relates to a kind of sensor, particularly relates to a kind of infrared sensor.
Background technology
Infrared sensor mainly divides two large classes, and a class is photoelectric type, and a class is thermosensitive type.The former utilizes photoelectric effect work, fast response time, and examine repair is good.But need cooling, use inconvenience.And the detection sensitivity of device is relevant with infrared wavelength.And pyroelectric electric device belongs to the latter, at ambient temperature, detection sensitivity is very high, and has nothing to do with radiation wavelength in its work, and detectable power is only by the restriction of background radiation.And pyroelectric electric device response is also very fast, application facilitates again.Therefore, pyroelectric infrared sensor is that photoelectric sensor cannot replace.
At present, infrared sensor volume is large, complex structure, manufacturing cost are high, becomes the principal element of restriction infrared sensor widespread use.
Utility model content
Technical problem to be solved in the utility model is to provide that a kind of structure is simple, cheap for manufacturing cost, volume is little, is conducive to highly integrated infrared sensor.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of infrared sensor, comprise pin, pedestal is provided with above described pin, the first symmetric support post is provided with above described pedestal, circuit component is provided with between described first symmetric support post, PET pipe is provided with above described circuit component, described first symmetric support post, a PZT thermoelectric element is provided with above PET pipe, the second symmetric support post is provided with above a described PZT thermoelectric element, the 2nd PZT thermoelectric element is provided with above described second symmetric support post, the 3rd symmetric support post is provided with above described 2nd PZT thermoelectric element, optical filter is provided with above described 3rd symmetric support post, described pedestal and shell form enclosed construction, described housing top end is provided with window.
Tested infrared light enters optical filter by window, infrared signal is passed to a PZT thermoelectric element, the 2nd PZT thermoelectric element by described optical filter, Photothermal Signals is converted into electric signal by a described PZT thermoelectric element, the 2nd PZT thermoelectric element, electric signal is through the process of PET pipe, pass to circuit component, described circuit component can be distinguished electric signal and be exported by pin.
On the basis of technique scheme, the utility model can also do following improvement.
Further, described first symmetric support post, the second symmetric support post, the 3rd symmetric support post are insulating material, for support and the insulation of device architecture, prevent short circuit sensor.
Further, described pin passes pedestal and circuit component conducting, for distinguishing the output of electric signal.
The beneficial effects of the utility model are: structure is simple, cheap for manufacturing cost, volume is little, are conducive to highly integrated.
Accompanying drawing explanation
Fig. 1 is a kind of infrared sensor structural representation of the utility model;
In accompanying drawing, the list of parts representated by each label is as follows: 1, pin, and 2, pedestal, 3, shell, 4, a PZT thermoelectric element, the 5, the 2nd PZT thermoelectric element, 6, window, 7, circuit component, 8, the first symmetric support post, 9, PET pipe, the 10, second symmetric support post, 11, the 3rd symmetric support post, 12, optical filter.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of infrared sensor, comprise pin 1, pedestal 2 is provided with above described pin 1, the first symmetric support post 8 is provided with above described pedestal 2, circuit component 7 is provided with between described first symmetric support post 8, PET pipe 9 is provided with above described circuit component 7, described first symmetric support post 8, a PZT thermoelectric element 4 is provided with above PET pipe 9, the second symmetric support post 10 is provided with above a described PZT thermoelectric element 4, the 2nd PZT thermoelectric element 5 is provided with above described second symmetric support post 10, the 3rd symmetric support post 11 is provided with above described 2nd PZT thermoelectric element 5, optical filter 12 is provided with above described 3rd symmetric support post 11, described pedestal 1 forms enclosed construction with shell 3, described shell 3 top is provided with window 6.
Tested infrared light enters optical filter 12 by window 6, infrared signal is passed to the 2nd PZT thermoelectric element 5, a PZT thermoelectric element 4 by described optical filter 12, Photothermal Signals is converted into electric signal by described 2nd PZT thermoelectric element 5, a PZT thermoelectric element 4, electric signal processes through PET pipe 9, pass to circuit component 7, described circuit component 7 can be distinguished electric signal and be exported by pin 1.
Described first symmetric support post 8, second symmetric support post 10, the 3rd symmetric support post 11 are insulating material, for support and the insulation of device architecture, prevent short circuit sensor; Described pin 1 passes pedestal 2 and circuit component 7 conducting, for distinguishing the output of electric signal.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. an infrared sensor, it is characterized in that, comprise pin, pedestal is provided with above described pin, the first symmetric support post is provided with above described pedestal, circuit component is provided with between described first symmetric support post, PET pipe is provided with above described circuit component, described first symmetric support post, a PZT thermoelectric element is provided with above PET pipe, the second symmetric support post is provided with above a described PZT thermoelectric element, the 2nd PZT thermoelectric element is provided with above described second symmetric support post, the 3rd symmetric support post is provided with above described 2nd PZT thermoelectric element, optical filter is provided with above described 3rd symmetric support post, described pedestal and shell form enclosed construction, described housing top end is provided with window.
2. a kind of infrared sensor according to claim 1, it is characterized in that, described first symmetric support post, the second symmetric support post, the 3rd symmetric support post are insulating material.
3. a kind of infrared sensor according to claim 1, is characterized in that, described pin is through pedestal and circuit component conducting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561711.1U CN204085703U (en) | 2014-09-26 | 2014-09-26 | A kind of infrared sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561711.1U CN204085703U (en) | 2014-09-26 | 2014-09-26 | A kind of infrared sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204085703U true CN204085703U (en) | 2015-01-07 |
Family
ID=52178405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420561711.1U Expired - Fee Related CN204085703U (en) | 2014-09-26 | 2014-09-26 | A kind of infrared sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204085703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110150908A (en) * | 2018-03-09 | 2019-08-23 | 广州华金科技有限公司 | A kind of showcase with intelligent display screen |
-
2014
- 2014-09-26 CN CN201420561711.1U patent/CN204085703U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110150908A (en) * | 2018-03-09 | 2019-08-23 | 广州华金科技有限公司 | A kind of showcase with intelligent display screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20160926 |