CN203249710U - Multistage thermoelectric cooler parameter vacuum testing device - Google Patents
Multistage thermoelectric cooler parameter vacuum testing device Download PDFInfo
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- CN203249710U CN203249710U CN 201320217665 CN201320217665U CN203249710U CN 203249710 U CN203249710 U CN 203249710U CN 201320217665 CN201320217665 CN 201320217665 CN 201320217665 U CN201320217665 U CN 201320217665U CN 203249710 U CN203249710 U CN 203249710U
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Abstract
The utility model discloses a device for a multistage thermoelectric cooler parameter vacuum test. The device comprises a vacuum cavity, a vacuum pump, a water cooling head, a temperature control cooling water circulation device, a heating resistor module, a cold end temperature measurement resistor, a hot end temperature measurement resistor, a DC power supply, and a data processing and displaying module. The vacuum cavity is provided with a vacumizing valve and an air evacuation valve. The vacuum cavity and the water cooling head are sealed by vacuum sealing rubber rings and connecting screws. The heat radiation and temperature control of a thermoelectric hot end are realized through the water cooling head and the temperature control cooling water circulation device. The data processing and displaying module carries out real-time controlling, data processing and result displaying on each of the equipment in the device. Parameters of current and voltage response relationship, current and refrigerating capacity relationship, thermoelectric refrigeration efficiency under different radiation conditions and the like of a multistage thermoelectric can be obtained through the device, the device has the advantages of simple structure, convenient operation and high measuring precision, and a cold end condensation phenomenon easily caused in a thermoelectric cooler large temperature difference test process can be effectively avoided.
Description
Technical field
This patent relates to a kind of device of thermoelectric cooling module parameter testing, particularly required vacuum test device during the large temperature test of Multi-stage heat electric refrigerator.
Background technology
Thermoelectric cooling module is because the advantages such as volume is little, noiseless, temperature is adjustable, temperature control is accurate have obtained widespread use in fields such as military affairs, medical treatment, Aero-Space.Different according to the maximum refrigeration temperature difference, thermoelectric cooling module can be divided into one-level, secondary even multistage.Single-stage thermoelectric cooling module cold is determined mainly to calculate by simple parameter measurement and theory at present, and parameter is many, calculation of complex and the Multi-stage heat electric refrigerator is owing to relating to, and result of calculation often deviation is very large.At present less for the report of thermoelectric cooling module proving installation, number be 201110173246.5 if any a Chinese invention patent application, date of application is on June 25th, 2011, denomination of invention is a kind of thermoelectric cooling module cold measurement mechanism, invented a kind of theoretical cold proving installation that calculates that need not, but the test environment of proving installation is air ambient, under large temperature difference condition, tend to occur the dewfall phenomenon because cold junction temperature is very low, and its cold test specification is 10W～50W, the testing range scope is little, is not suitable for the mensuration of Multi-stage heat electric refrigerator parameter.
Summary of the invention
This patent purpose is to provide the device of a kind of Multi-stage heat electric refrigerator parameter testing, and solution Multi-stage heat electric refrigerator to determine, is directly tested easy dewfall, the inaccurate problem of result in use, course of receiving performance difficult parameters.
A kind of Multi-stage heat electric refrigerator parameter vacuum test device comprises vacuum cavity 1, vacuum pump 2, water-cooling head 6, temperature control cooling water circulating device 5, heating resistor module 11, cold junction temperature detecting resistance 12, hot junction temperature detecting resistance 13, direct supply 3 and data processing and display module 4.
Described vacuum cavity 1 is provided with vacuum-pumping valve 15 and venting valve 9, and vacuum-pumping valve 15 is connected with vacuum pump 2; Vacuum cavity 1 seals by vacuum rubber circle 8 and connecting screw 16 with water-cooling head 6; Water-cooling head 6 interior water-cooled conduits 7 that arrange, and link to each other with temperature control cooling water circulating device 5, on the water-cooling head 6 near on thermoelectric cooling module 10 positions and the heating resistor module 11 hot junction temperature detecting resistance 13 and cold junction temperature detecting resistance 12 being installed respectively; The both positive and negative polarity that heating resistor module 11 is connected with thermoelectric cooling module is connected with direct supply 3 by vacuum socket 14; Hot junction temperature detecting resistance 13, cold junction temperature detecting resistance 12, direct supply 3, temperature control cooling water circulating device 5 in data processing and display module 4 and the device interconnect, and each equipment is controlled in real time, and carried out data processing and result's demonstration.
Described vacuum cavity 1 inner wall surface polishing or plating high reflectance coating.
Described heating resistor module 11 surface finish or plating high reflectance coating.
Described thermoelectric cooling module 10 is installed between heating resistor module 11 and the water-cooling head 6, and the gap filling between the surface of contact has high efficacy heat conduction grease.
Multi-stage heat electric refrigerator parameter vacuum test device, in test process, thermoelectric cooling module 10 heat loads mainly are comprised of Joule heat and the leakage heat that heating resistor module 11 produces.Leak heat and comprise that heat is leaked in convection current, heat and conductive heat leakage are leaked in radiation.Owing in test process, at first needing vacuum cavity 1 is vacuumized processing, convection current leakage heat is very little, vacuum cavity 1 inwall, water-cooling head 6 inner surfaces and heating resistor module 11 outside surfaces all take polishing or plating high reflectance coating to process, it is very little that heat affecting is leaked in radiation, heating resistor module 11 bonds by high efficacy heat conduction grease with thermoelectric cooling module 10 cold junctions, be fixedly connected with without other, conductive heat leakage can be ignored, and total system leaks heat can be less than 0.1W.Therefore, under the prerequisite of control thermoelectric cooling module 10 hot-side temperatures, the Joule heat that heating resistor module 11 produces can reflect the refrigerating capacity of Multi-stage heat electric refrigerator 10 under specific radiating condition more accurately.Simultaneously, can obtain thermoelectric cooling module 10 electric currents, voltage parameter by direct supply 3 and data processing module 4; Can obtain thermoelectric cooling module cold junction and hot-side temperature by temperature detecting resistance; By temperature control cooling water circulating device 5 water-cooling head 6 temperature can be set, the behaviour in service of thermoelectric cooling module under the simulation different operating environment.
This patent has two distinguishing features: the one, and the scope of application is large, test parameter is many.Can carry out the test under the one-level thermoelectric cooling module condition of small temperature difference, also can carry out the test under large temperature difference condition of secondary or Multi-stage heat electric refrigerator.Because the test cavity is vacuum environment, the problem of the easy dewfall of thermoelectric cooling module cold end surface in the time of can effectively avoiding large temperature test.Can obtain thermoelectric cooling module current-voltage response relation, electric current-refrigerating capacity relation, the temperature difference-refrigerating capacity relation, the parameter such as thermoelectric cooling module refrigerating efficiency under the different radiating conditions.The 2nd, simple in structure, easy to operate, accuracy is high.Structure adopts modular design, and chilled water module, power supply, vacuum pump are matured product, buying and easy to assembly.Vacuum environment and the topical surface treatment of device cavity can effectively avoid system to leak hot caused measuring error, and test result can be directly by computer collection and directly perceived the demonstration, and need not complicated calculations, process is succinct.
Description of drawings
A kind of Multi-stage heat electric refrigerator of Fig. 1 parameter vacuum test device schematic diagram;
1 vacuum cavity, 2 vacuum pumps, 3 direct supplys, 4 data are processed and display module 5 temperature control cooling water circulating devices 6 water-cooling heads 7 water-cooled conduits 8 vacuum rubber circles 9 venting valves 10 thermoelectric cooling modules 11 heating resistor modules 12 cold junction temperature detecting resistances 13 hot junction temperature detecting resistances 14 vacuum sockets 15 vacuum-pumping valves 16 connecting screws.
Embodiment:
A kind of Multi-stage heat electric refrigerator parameter vacuum test device comprises vacuum cavity 1, vacuum pump 2, water-cooling head 6, temperature control cooling water circulating device 5, heating resistor module 11, cold junction temperature detecting resistance 13, hot junction temperature detecting resistance 12, direct supply 3, data processing and display module 4.Vacuum cavity 1 adopts stainless steel material, inwall polishing.Vacuum cavity 1 left and right sides arranges respectively venting valve 9 and vacuum-pumping valve 15, and vacuum-pumping valve 15 is connected with vacuum pump 2.Vacuum cavity 1 seals by vacuum rubber circle 8 and connecting screw 16 with water-cooling head 6.The water-cooling head 6 interior water-cooled conduits 7 that arrange, and link to each other with temperature control cooling water circulating device 5.Thermoelectric cooling module 10 is installed between heating resistor module 11 and the water-cooling head 6, and fill with high efficacy heat conduction grease in the slit between the surface of contact.The thermometric platinum resistance is installed respectively on the installed surface of thermoelectric cooling module 10 and heating resistor module 11 surfaces on the water-cooling head 6.Heating resistor module 11 adopts the interior heating resistor film that pastes of polishing red copper shell to realize, size is suitable with thermoelectric cooling module 10 cold junction areas.The both positive and negative polarity that heating resistor module 11 is connected with thermoelectric cooling module is connected with direct supply 3 by vacuum socket 14.Thermometric platinum resistance, direct supply 3, temperature control cooling water circulating device 5 in data processing and display module 4 and the device interconnect, and each equipment is controlled in real time, and carried out data processing and result's demonstration.
Claims (5)
1. Multi-stage heat electric refrigerator parameter vacuum test device, comprise vacuum cavity (1), vacuum pump (2), water-cooling head (6), temperature control cooling water circulating device (5), heating resistor module (11), cold junction temperature detecting resistance (12), hot junction temperature detecting resistance (13), direct supply (3) and data processing and display module (4), it is characterized in that: described vacuum cavity (1) is provided with vacuum-pumping valve (15) and venting valve (9), and vacuum-pumping valve (15) is connected with vacuum pump (2); Vacuum cavity (1) seals by vacuum rubber circle (8) and connecting screw (16) with water-cooling head (6); Water-cooled conduit (7) is set in the water-cooling head (6), and link to each other with temperature control cooling water circulating device (5), water-cooling head (6) is upper near on thermoelectric cooling module (10) position and the heating resistor module (11) hot junction temperature detecting resistance (13) and cold junction temperature detecting resistance (12) being installed respectively; Heating resistor module (11) is connected 10 with thermoelectric cooling module) both positive and negative polarity be connected with direct supply (3) by vacuum socket (14); Hot junction temperature detecting resistance (13), cold junction temperature detecting resistance (12), direct supply (3), temperature control cooling water circulating device (5) in data processing and display module (4) and the device interconnect, each equipment is controlled in real time, and carried out data processing and result's demonstration.
2. Multi-stage heat electric refrigerator parameter vacuum test device according to claim 1 is characterized in that the polishing of described vacuum cavity (1) inner wall surface or plating high reflectance coating.
3. Multi-stage heat electric refrigerator parameter vacuum test device according to claim 1 is characterized in that the thermoelectric cooling module (10) on the described water-cooling head (6) is installed surface finish or plating high reflectance coating.
4. Multi-stage heat electric refrigerator parameter vacuum test device according to claim 1 is characterized in that described heating resistor module (11) surface finish or plating high reflectance coating.
5. Multi-stage heat electric refrigerator parameter vacuum test device according to claim 1, described thermoelectric cooling module (10) is installed between heating resistor module (11) and the water-cooling head (6), and the gap filling between the surface of contact has high efficacy heat conduction grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320217665 CN203249710U (en) | 2013-04-26 | 2013-04-26 | Multistage thermoelectric cooler parameter vacuum testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320217665 CN203249710U (en) | 2013-04-26 | 2013-04-26 | Multistage thermoelectric cooler parameter vacuum testing device |
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| CN203249710U true CN203249710U (en) | 2013-10-23 |
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| CN 201320217665 Withdrawn - After Issue CN203249710U (en) | 2013-04-26 | 2013-04-26 | Multistage thermoelectric cooler parameter vacuum testing device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257052A (en) * | 2013-04-26 | 2013-08-21 | 中国科学院上海技术物理研究所 | Multistage thermoelectric cooler parameter vacuum testing device |
| RU2537647C1 (en) * | 2014-02-18 | 2015-01-10 | Общество с ограниченной ответственностью "НАУЧНО-ПРОИЗВОДСТВЕННАЯ ФИРМА ТЕРМОЭЛЕКТРИЧЕСКОГО ПРИБОРОСТРОЕНИЯ" | Heat exchange unit |
| CN111122017A (en) * | 2019-12-26 | 2020-05-08 | 兰州空间技术物理研究所 | Refrigerating capacity measuring device of refrigerating machine |
| CN113237679A (en) * | 2021-04-20 | 2021-08-10 | 东莞先导先进科技有限公司 | Thermoelectric refrigerator performance testing device |
| CN113908385A (en) * | 2021-10-14 | 2022-01-11 | 东莞先导先进科技有限公司 | Infusion device |
-
2013
- 2013-04-26 CN CN 201320217665 patent/CN203249710U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257052A (en) * | 2013-04-26 | 2013-08-21 | 中国科学院上海技术物理研究所 | Multistage thermoelectric cooler parameter vacuum testing device |
| CN103257052B (en) * | 2013-04-26 | 2016-01-13 | 中国科学院上海技术物理研究所 | A kind of multistage thermoelectric cooler parameter vacuum test device |
| RU2537647C1 (en) * | 2014-02-18 | 2015-01-10 | Общество с ограниченной ответственностью "НАУЧНО-ПРОИЗВОДСТВЕННАЯ ФИРМА ТЕРМОЭЛЕКТРИЧЕСКОГО ПРИБОРОСТРОЕНИЯ" | Heat exchange unit |
| CN111122017A (en) * | 2019-12-26 | 2020-05-08 | 兰州空间技术物理研究所 | Refrigerating capacity measuring device of refrigerating machine |
| CN113237679A (en) * | 2021-04-20 | 2021-08-10 | 东莞先导先进科技有限公司 | Thermoelectric refrigerator performance testing device |
| CN113908385A (en) * | 2021-10-14 | 2022-01-11 | 东莞先导先进科技有限公司 | Infusion device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131023 Effective date of abandoning: 20160113 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20131023 Effective date of abandoning: 20160113 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |