CN203479705U - Constant temperature keeping device of photoelectric detector - Google Patents
Constant temperature keeping device of photoelectric detector Download PDFInfo
- Publication number
- CN203479705U CN203479705U CN201320570027.5U CN201320570027U CN203479705U CN 203479705 U CN203479705 U CN 203479705U CN 201320570027 U CN201320570027 U CN 201320570027U CN 203479705 U CN203479705 U CN 203479705U
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- pda
- opt101
- circuit board
- pcb
- mount pad
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Abstract
The utility model discloses a constant temperature keeping device of a photoelectric detector. The constant temperature keeping device comprises a PCB-PDA (printed circuit board-personal digital assistant) circuit board, an OPT101, an OPT101 base, an OPT101 compression ring, a TEC1 semiconductor chilling plate, an OPT thermal insulating ring, a PDA compression ring, a PDA mounting seat, a light filter and a CTLD-PCB circuit board. Due to the adoption of the semiconductor chilling plate and the thermal insulation structure, a working temperature can be kept within the range of +/-0.1 DEG C of a certain appointed temperature value all the time, and therefore, the non-determinacy of a test of an apparatus caused by the temperature characteristic of the photoelectric detector is avoided effectively, and the testing accuracy of the apparatus is improved.
Description
Technical field
The utility model relates to environment supervision instrument technical field, especially a kind of photodetector thermostat.
Background technology
In the fixed-contamination source emission fume continuous monitoring system that each high-power station of Present Domestic market and stove are installed, for monitoring the instrument of dust concentration, adopt laser diode as light source more, transmitting beam of laser signal passes through flue, irradiate smoke particle, the light signal of smoke particle reflection focuses on photodetector through flat mirror, the optical device such as stimulate the menstrual flow.Its Primary Component is photodetector.This forms weak point in the duty with only considering photodetector under ecotopia, reckon without the temperature characterisitic of photodetector itself, when the operating ambient temperature of photodetector changes greatly, the temperature coefficient of its output, the variation of the temperature coefficient Dou Hui Yin Wendu of the amplifier of rear class, resistance, electric capacity changes, and this will bring measuring uncertainty.At the scene of installing and using, environment temperature is not constant, particularly the temperature difference at the regional daytime such as the northeast of China, northwest and night is large especially, will cause like this relevant temperature coefficient of photodetector to change, thereby the test generation of instrument temperature drift, disturbed the detection accuracy of instrument to true dust concentration in flue.Weak point for photodetector temperature characterisitic, invent a kind of photodetector constant temperature structure device, its advantage: the working temperature that can make photodetector by the semiconductor chilling plate in this device and insulation construction part all the time constant a certain set temperature value ± 0.1 ℃ within the scope of.Make photodetector all parts keep good temperature coefficient, avoided instrument uncertain because photodetector temperature characterisitic causes testing, the accuracy that has improved instrument test.
Utility model content
For the problems referred to above, the utility model aims to provide a kind of photodetector thermostat.
For realizing this technical purpose, scheme of the present utility model is: a kind of photodetector thermostat, comprises PCB-PDA circuit board, OPT101, OPT101 pedestal, OPT101 pressure ring, TEC1 semiconductor chilling plate, OPT heat insulation loop, PDA pressure ring, PDA mount pad, optical filter, CTLD-PCB circuit board, described PDA mount pad inside is placed TEC1 semiconductor chilling plate successively, OPT101 pedestal, PCB-PDA circuit board, OPT101, OPT101 pressure ring and OPT heat insulation loop, wherein OPT101 is welded on PCB-PDA circuit board, PCB-PDA circuit board is embedded in OPT101 base interior, OPT101 pressure ring is arranged on OPT101 pedestal, described PDA pressure ring is provided with eyeglass groove, optical filter is bonded in the eyeglass groove of PDA pressure ring by glue, OPT heat insulation loop is located on PDA mount pad, PDA pressure ring is arranged in PDA mount pad, described PDA mount pad is welded on respectively on CTLD-PCB circuit board by flexible cord, the inside of PDA mount pad is provided with square hole, and CTLD-PCB circuit board is fixed by screws in the square hole of PDA mount pad.
As preferably, described PDA mount pad is provided with 8 circular holes, TEC1 semiconductor chilling plate is provided with two flexible cords, on PCB-PDA circuit board, weld 6 flexible cords, again by 6 flexible cords from inside to outside through OPT101 pedestal and PDA mount pad, 8 circular hole inside on PDA mount pad are separately installed with two flexible cords on TEC1 semiconductor chilling plate and 6 flexible cords on PCB-PDA circuit board.
Photodetector thermostat of the present utility model by semiconductor chilling plate and insulation construction part can make working temperature all the time constant a certain set temperature value ± 0.1 ℃ within the scope of, effectively avoided instrument to cause the uncertainty of test, the accuracy that improved instrument test because of photodetector temperature characterisitic.
Accompanying drawing explanation
Fig. 1 is structure explosive view of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
As shown in Figure 1, a kind of photodetector thermostat of the utility model embodiment, comprises PCB-PDA circuit board 1, OPT1012, OPT101 pedestal 3, OPT101 pressure ring 4, TEC1 semiconductor chilling plate 5, OPT heat insulation loop 6, PDA pressure ring 7, PDA mount pad 8, optical filter 9, CTLD-PCB circuit board 10, described PDA mount pad 8 inside are placed TEC1 semiconductor chilling plate 5 successively, OPT101 pedestal 3, PCB-PDA circuit board 1, OPT1012, OPT101 pressure ring 4 and OPT heat insulation loop 6, wherein OPT1012 is welded on PCB-PDA circuit board 1, PCB-PDA circuit board 1 is embedded in OPT101 pedestal 3 inside, OPT101 pressure ring 4 is arranged on OPT101 pedestal 3, described PDA pressure ring 7 is provided with eyeglass groove, optical filter 9 is bonded in the eyeglass groove of PDA pressure ring 7 by glue, OPT heat insulation loop 6 is located on PDA mount pad 8, PDA pressure ring 7 is arranged in PDA mount pad 8, described PDA mount pad 8 is welded on respectively on CTLD-PCB circuit board 10 by flexible cord, the inside of PDA mount pad 8 is provided with square hole, and CTLD-PCB circuit board 10 is fixed by screws in the square hole of PDA mount pad 8.
As preferably, described PDA mount pad 8 is provided with 8 circular holes, TEC1 semiconductor chilling plate 5 is provided with two flexible cords, on PCB-PDA circuit board 1, weld 6 flexible cords, again 6 flexible cords are passed to OPT101 pedestal 3 and PDA mount pad 8 from inside to outside, 8 circular hole inside on PDA mount pad 8 are separately installed with 6 flexible cords on two flexible cord PCB-PDA circuit boards 1 on TEC1 semiconductor chilling plate 5.
The above; it is only preferred embodiment of the present utility model; not in order to limit the utility model, any trickle modification that every foundation technical spirit of the present utility model is done above embodiment, be equal to and replace and improve, within all should being included in the protection domain of technical solutions of the utility model.
Claims (2)
1. a photodetector thermostat, it is characterized in that, comprise PCB-PDA circuit board, OPT101, OPT101 pedestal, OPT101 pressure ring, TEC1 semiconductor chilling plate, OPT heat insulation loop, PDA pressure ring, PDA mount pad, optical filter, CTLD-PCB circuit board, described PDA mount pad inside is placed TEC1 semiconductor chilling plate successively, OPT101 pedestal, PCB-PDA circuit board, OPT101, OPT101 pressure ring and OPT heat insulation loop, wherein OPT101 is welded on PCB-PDA circuit board, PCB-PDA circuit board is embedded in OPT101 base interior, OPT101 pressure ring is arranged on OPT101 pedestal, described PDA pressure ring is provided with eyeglass groove, optical filter is bonded in the eyeglass groove of PDA pressure ring by glue, OPT heat insulation loop is located on PDA mount pad, PDA pressure ring is arranged in PDA mount pad, described PDA mount pad is welded on respectively on CTLD-PCB circuit board by flexible cord, the inside of PDA mount pad is provided with square hole, CTLD-PCB circuit board is fixed by screws in the square hole of PDA mount pad.
2. a kind of photodetector thermostat according to claim 1, is characterized in that: described PDA mount pad is provided with 8 circular holes, and TEC1 semiconductor chilling plate is provided with two flexible cords, is welded with 6 flexible cords on PCB-PDA circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320570027.5U CN203479705U (en) | 2013-09-16 | 2013-09-16 | Constant temperature keeping device of photoelectric detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320570027.5U CN203479705U (en) | 2013-09-16 | 2013-09-16 | Constant temperature keeping device of photoelectric detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203479705U true CN203479705U (en) | 2014-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320570027.5U Expired - Lifetime CN203479705U (en) | 2013-09-16 | 2013-09-16 | Constant temperature keeping device of photoelectric detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203479705U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486025A (en) * | 2015-12-01 | 2016-04-13 | 中国科学院上海技术物理研究所 | High-power photoelectric detector module integrated with deep cryogenic refrigeration device |
| CN111351763A (en) * | 2020-03-26 | 2020-06-30 | 南京微虎软件科技有限公司 | Gaseous pollutant measuring device capable of avoiding pollution of window sheet |
-
2013
- 2013-09-16 CN CN201320570027.5U patent/CN203479705U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486025A (en) * | 2015-12-01 | 2016-04-13 | 中国科学院上海技术物理研究所 | High-power photoelectric detector module integrated with deep cryogenic refrigeration device |
| CN105486025B (en) * | 2015-12-01 | 2017-11-21 | 中国科学院上海技术物理研究所 | A kind of high-power photodetector assembly of integrated profound hypothermia refrigerating plant |
| CN111351763A (en) * | 2020-03-26 | 2020-06-30 | 南京微虎软件科技有限公司 | Gaseous pollutant measuring device capable of avoiding pollution of window sheet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 2909, 25th Floor, Building A, No. 2 Zhongguancun South Street, Haidian District, Beijing, 100088 Patentee after: Anrongxin Technology (Beijing) Co.,Ltd. Address before: Room 307, A 23 Xingshikou Road, Haidian District, Beijing, 100195 Patentee before: ANRONX TECHNOLOGY (BEJING) CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |