CN202453751U - Temperature control device for optical detecting device applied online - Google Patents
Temperature control device for optical detecting device applied online Download PDFInfo
- Publication number
- CN202453751U CN202453751U CN2012200376247U CN201220037624U CN202453751U CN 202453751 U CN202453751 U CN 202453751U CN 2012200376247 U CN2012200376247 U CN 2012200376247U CN 201220037624 U CN201220037624 U CN 201220037624U CN 202453751 U CN202453751 U CN 202453751U
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- sleeve
- detection device
- optical detection
- attemperating unit
- online application
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Abstract
The utility model discloses a temperature control device for an optical detecting device applied online. The temperature control device for the optical detecting device applied online solves the problems of unsteady detection results, overloud dark noise and the like caused by over-high temperature or instability of the optical detecting device in the prior art. The technical scheme lies in that the temperature control device for the optical detecting device applied online comprises a base and a sleeve on the base, wherein the inner part of the sleeve is provided with an optical detecting device and a temperature sensor; one end of the sleeve is connected with a reaction chamber while the other end is provided with a pressing cover and is optically sealed; two semiconductor refrigerating sheets are arranged at the upper part of the sleeve; the semiconductor refrigerating sheets are provided with radiating fins; and the radiating fins are provided with radiating fans. As adopting double semiconductor refrigerating sheets for temperature control and adopting a step control way of the refrigerating sheets according to different external temperature conditions, the temperature control device for the optical detecting device applied online, disclosed by the utility model, can control the temperature more flexibly, and not only can guarantee enough temperature control efficiency, but also can realize energy-saving effects.
Description
Technical field
The utility model belongs to the on-line analysis detecting instrument, specifically, relate to be utilize optical method the on-line analysis detecting instrument optical detection device is carried out temperature controlled device.
Background technology
The on-line analysis detecting instrument all adopts optical method to realize usually; Because electron device heating or extraneous ambient temperature effect; Optical detection device is generally all worked under the higher temperature operating mode; The optical detection device attemperating unit of online application can be used for the temperature control of optical method online analytical instrument optical detection device (being generally photomultiplier), through this device, can a desirable working environment be provided for optical detection device: stable, low temperature.
Existing application is in the optical detection device of online analytical instrument; Structural design normally; Do not have attemperating unit or simple open loop attemperating unit, find that through actual the use deficiency of this device is: 1, because the working environment of on-line instrument is complicated; The dark noise of photoelectricity testing part is bigger and unstable, is unfavorable for the stable operation of instrument.2, lacking temperature sensor carries out temperature and monitors in real time; Can't make temperature be controlled at a metastable state, photoelectricity testing part is in the very low temperature environment, like this; The photoelectricity testing part window hazes easily, influences the instrument detecting result.3, single semiconductor chilling plate carries out temperature control, under different ambient temperatures, particularly high temperature, can not guarantee enough temperature control efficient.4, open loop control mode is comparatively simple, can't accurately control temperature.
Summary of the invention
The utility model provides a kind of optical detection device attemperating unit of online application, it can solve optical detection device that prior art exists owing to temperature too high or unstable testing result instability, the dark noise that causes cross problems such as height.
In order to reach the purpose that solves the problems of the technologies described above; The technical scheme of the utility model is that a kind of optical detection device attemperating unit of online application comprises the sleeve on base and the base; Temperature sensor is installed in the said sleeve and has the inner chamber that photoelectricity testing part is installed; One end of said sleeve is connected with reaction chamber, and the other end is provided with gland and carries out the light sealing, and said upper cartridge is equipped with two chip semiconductor cooling pieces; On the said semiconductor chilling plate heat radiator is housed, radiator fan is housed on the heat radiator.
Further, said sleeve design is the square-outside and round-inside structure, makes things convenient for the installation of optical detection device, temperature sensor and semiconductor chilling plate, places dry silica gel simultaneously.
Again further, said bush material adopts aluminium, and the insulation of exposed part parcel is pasted.
Further, can control two said semiconductor chilling plates and work simultaneously, or also can control the wherein said semiconductor chilling plate work of a slice.
Again further, the cold and hot two sides of said semiconductor chilling plate utilizes heat-conducting silicone grease to carry out close installation with the sleeve outside and heat radiator respectively.
Further, said semiconductor chilling plate and temperature sensor adopt closed loop PID control technology.
Again further, through being threaded, faying face utilizes O type circle to carry out the light sealing between said gland and sleeve.
Further, on said gland, aviation plug is installed, said aviation plug adopts weather proof receptacle.
Optional, said sleeve diameter scope is 20-50mm, long 50-80mm.
Optional, be limited to 25 ℃ on the temperature control start-up temperature, be stable at 5 ℃.
Optional, said semiconductor chilling plate specification is the square of 20-30mm.
The utility model compared with prior art has the following advantages and good effect:
1, adopt two semiconductor chilling plates to carry out temperature control,, adopt the method for cooling piece step control according to different ambient temperature situation, more flexible to temperature controlling, can guarantee enough temperature control efficient, also can reach power savings.
2, increased temperature sensor and carried out Temperature Feedback, adopted the closed loop pid control mode, improved temperature controlled degree of accuracy greatly,, reduced dark noise and the instability of itself for optical detection device provides desirable working environment.
3, gland adopts screw thread and O type circle, utilizes aviation plug to be electrically connected simultaneously, install and remove quick and conveniently, is convenient to operate.
Description of drawings
Fig. 1 is the synoptic diagram of the optical detection device attemperating unit of a kind of online application of the utility model;
1. photoelectricity testing part; 2. sleeve; 3. temperature sensor; 4. semiconductor chilling plate; 5. heat radiator; 6. radiator fan; 7. gland; 8. O type rubber ring; 9. aviation plug; 10. base; 11. reaction chamber.
Embodiment
Referring to Fig. 1; The utility model comprises the sleeve 2 on base 10 and the base 10, and said sleeve 2 inside are equipped with optical detection device 1 and temperature sensor 3, and an end of said sleeve 2 is connected with reaction chamber 11; The other end is provided with gland 7 and carries out the light sealing; Said sleeve 2 tops are equipped with two chip semiconductor cooling pieces 4, on the said semiconductor chilling plate 4 heat radiator 5 are housed, and radiator fan 6 is housed on the heat radiator 5.
During installation, earlier photoelectricity testing part 1 is loaded in the sleeve 2, utilizes the bolt of a side.Mounting temperature sensor 3 then.The electrical wiring of photoelectricity testing part 1 and temperature sensor 3 is welded on the interior side terminal of aviation plug 9, and aviation plug 9 is installed on the gland 7 more then, and gland 7 utilizes screw thread to be connected with sleeve 2 with O type rubber ring 8, forms the light sealing.Semiconductor chilling plate 4 is two independently semiconductor chilling plates, and surfaces coated is with heat-conducting silicone grease, and chill surface and sleeve 2 are adjacent to, and heating face is adjacent to heat radiator 5, utilizes the fastening bolt between heat radiator 5 and the sleeve 2 to be embedded between the two closely.Radiator fan 6 adopts bolt to be connected with heat radiator 5.Sleeve 2 utilizes screw thread to be connected with reaction chamber 11.
For the accurately control flexibly of temperature, two of semiconductor chilling plate 4 employings are independently installed, the mode of independent control.When starting working; When initial temperature is higher than 25 ℃ in system detects sleeve 2; Semiconductor chilling plate 4 starts two operations simultaneously, and heat radiator 5 and radiator fan 6 are taken away heat, and temperature can continue to descend in the sleeve 2; When temperature was reduced to 5 ℃, semiconductor chilling plate 4 only stayed a slice to carry out work with regard to turning off a slice.And 5 ℃ be the ideal operation temperature of general optical detection device 1, and temperature is crossed low window and hazed the too high dark noise that then is significantly improved easily.
In the temperature control process, semiconductor chilling plate 4 cooperates temperature sensors 3 to adopt the PID closed-loop controls, the PWM of the switching electricity time through programmed control semiconductor chilling plate 4 corresponding solid-state relays, and then reach stablizing of temperature.
The above; It only is the preferred embodiment of the utility model; Be not to be the restriction of the utility model being made other form, any professional and technical personnel of being familiar with possibly utilize the technology contents of above-mentioned announcement to change or be modified as the equivalent embodiment of equivalent variations.But every the utility model technical scheme content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of the utility model technical scheme according to the technical spirit of the utility model.
Claims (9)
1. the optical detection device attemperating unit of an online application; Comprise the sleeve on base and the base, temperature sensor be installed in the said sleeve and have the inner chamber that photoelectricity testing part is installed that one end of said sleeve is connected with reaction chamber; The other end is provided with gland and carries out the light sealing; It is characterized in that: said upper cartridge is equipped with two chip semiconductor cooling pieces, on the said semiconductor chilling plate heat radiator is housed, and radiator fan is housed on the heat radiator.
2. the optical detection device attemperating unit of a kind of online application according to claim 1; It is characterized in that: two said semiconductor chilling plate surfaces coated are with heat-conducting silicone grease; Said semi-conductive chill surface and said sleeve are adjacent to, and said semi-conductive heating face is adjacent to said heat radiator.
3. the optical detection device attemperating unit of a kind of online application according to claim 1 and 2 is characterized in that: said semiconductor chilling plate and said temperature sensor employing closed loop pid control mode.
4. the optical detection device attemperating unit of a kind of online application according to claim 1 and 2, it is characterized in that: said semiconductor chilling plate specification is the square of 20-30mm.
5. the optical detection device attemperating unit of a kind of online application according to claim 1 and 2, it is characterized in that: said sleeve-shaped is the square-outside and round-inside structure, said sleeve diameter scope is 20-50mm, length range 50-80mm.
6. the optical detection device attemperating unit of a kind of online application according to claim 5, it is characterized in that: the material of said sleeve is an aluminium, the insulation of exposed part parcel is pasted.
7. the optical detection device attemperating unit of a kind of online application according to claim 1 and 2 is characterized in that: said gland and said sleeve are through being threaded, and faying face utilizes O type circle to carry out the light sealing.
8. the optical detection device attemperating unit of a kind of online application according to claim 1 and 2 is characterized in that: on said gland, aviation plug is installed, said aviation plug employing weather proof receptacle.
9. the optical detection device attemperating unit of a kind of online application according to claim 1 and 2, it is characterized in that: two chip semiconductor cooling pieces can be worked simultaneously, or wherein a slice work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200376247U CN202453751U (en) | 2012-02-07 | 2012-02-07 | Temperature control device for optical detecting device applied online |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200376247U CN202453751U (en) | 2012-02-07 | 2012-02-07 | Temperature control device for optical detecting device applied online |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202453751U true CN202453751U (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200376247U Expired - Fee Related CN202453751U (en) | 2012-02-07 | 2012-02-07 | Temperature control device for optical detecting device applied online |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202453751U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103677005A (en) * | 2013-12-10 | 2014-03-26 | 中国科学院光电研究院 | Temperature control system for reflective optical component |
| CN108731299A (en) * | 2018-05-18 | 2018-11-02 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of optical component package and its temperature control equipment |
| CN110498133A (en) * | 2019-08-21 | 2019-11-26 | 浙江大学 | Abyss samples active thermal insulation device |
| CN110690857A (en) * | 2019-10-17 | 2020-01-14 | 郑州航空工业管理学院 | Photoelectric conversion device based on one-dimensional nano material |
-
2012
- 2012-02-07 CN CN2012200376247U patent/CN202453751U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103677005A (en) * | 2013-12-10 | 2014-03-26 | 中国科学院光电研究院 | Temperature control system for reflective optical component |
| CN108731299A (en) * | 2018-05-18 | 2018-11-02 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of optical component package and its temperature control equipment |
| CN110498133A (en) * | 2019-08-21 | 2019-11-26 | 浙江大学 | Abyss samples active thermal insulation device |
| CN110690857A (en) * | 2019-10-17 | 2020-01-14 | 郑州航空工业管理学院 | Photoelectric conversion device based on one-dimensional nano material |
| CN110690857B (en) * | 2019-10-17 | 2021-07-02 | 郑州航空工业管理学院 | Photoelectric conversion device based on one-dimensional nano material |
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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 |
Granted publication date: 20120926 Termination date: 20130207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |