CN201555667U - Temperature uniformity test table - Google Patents
Temperature uniformity test table Download PDFInfo
- Publication number
- CN201555667U CN201555667U CN2009202510728U CN200920251072U CN201555667U CN 201555667 U CN201555667 U CN 201555667U CN 2009202510728 U CN2009202510728 U CN 2009202510728U CN 200920251072 U CN200920251072 U CN 200920251072U CN 201555667 U CN201555667 U CN 201555667U
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- temperature control
- screw rod
- control platform
- test board
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model relates to a temperature uniformity test table, comprising a shell and a positioning plate, a boss-shaped temperature-control platform and a bracket which are respectively fixed on the shell through fastening bolts. A water sleeve and a temperature-control cooling component are arranged between the positioning plate and the boss-shaped temperature-control platform from bottom to top; the upper surface of the water sleeve clings to the hot surface of the temperature-control cooling component, and the cold surface of the temperature-control cooling component clings to the lower surface of the temperature-control platform; a support seat which threadedly moves up and down is arranged on the bracket, meanwhile, the upper end of the support seat is of a screw rod shape and the lower end of the support seat is a hollow body whose side surface is provided with a thread hole, and a temperature-measuring screw rod which is provided with a thermal couple and is contacted with the temperature-control platform is arranged on the thread hole; the thermal couple which is contacted with the temperature-control platform is arranged at the center of the support seat. The temperature-measuring screw rod and the support seat threadedly move up and down on the bracket; the temperature-measuring screw rod threadedly moves on the support seat levelly, so as to realize simultaneous multi-point temperature measuring, accurately screen and exclude electric couple pairs with unstable welding spots, and effectively prevent irreparable damage due to failure of a temperature-difference electric cooling component caused by unstable welding spots of the electric couple pairs.
Description
Technical field
The utility model belongs to thermoelectric cooling module proving installation technical field, especially relates to a kind of temperature homogeneity test board.
Background technology
Thermoelectric cooling module is the heat pump that utilizes Seebeck effect work, some thermoelectric galvanic couples electricity series connection, heat welding in parallel is made of, both can refrigeration, also can pyrogenicity.Noiseless when having life-span long, work because of it can accurately be controlled advantage such as temperature and is widely used in high-technology field such as Aeronautics and Astronautics when regulation voltage or electric current.Normal condition, under the prerequisite of the constant hot-face temperature of refrigerating assembly, the huyashi-chuuka (cold chinese-style noodles) center of refrigerating assembly is identical with the temperature of four corners position.When the right solder joint of galvanic couple was insecure, the huyashi-chuuka (cold chinese-style noodles) local temperature that refrigerating assembly will occur was too high, formed the phenomenon of focus, caused refrigerating assembly to lose efficacy.Therefore, by testing the temperature of thermoelectric cooling module huyashi-chuuka (cold chinese-style noodles) center and four corners position simultaneously, it is right to filter out the solid thermoelectric galvanic couple of not prison welding, to guarantee the operate as normal of thermoelectric cooling module.At present, under the prerequisite of the constant hot-face temperature of refrigerating assembly, the method of temperature of test thermoelectric cooling module huyashi-chuuka (cold chinese-style noodles) center and four corners position is to test different points respectively with thermometer, can not accurately to filter out the unstable galvanic couple of solder joint right because of testing each point simultaneously, the phenomenon of the unstable galvanic couple of solder joint can occur, cause because of thermoelectric cooling module loses efficacy and bring the loss that to retrieve in time not rejected.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art part, provides a kind of unstable galvanic couple of solder joint that can accurately filter out right, guarantees the temperature homogeneity test board of thermoelectric cooling module operate as normal.
The purpose of this utility model is achieved through the following technical solutions:
A kind of temperature homogeneity test board comprises shell, is fixed on location-plate, boss shape temperature control platform and support on the shell by fastening bolt respectively, between location-plate and the boss temperature control platform water jacket and temperature control refrigerating assembly is arranged from bottom to top; The hot side of being close to the temperature control refrigerating assembly above the water jacket, the huyashi-chuuka (cold chinese-style noodles) of temperature control refrigerating assembly be close to the temperature control platform below; The bearing that has screw thread to move up and down on the support, the bearing upper end is the hollow body that the side has at least four threaded holes for screw shaped, lower end, is furnished with the thermometric screw rod that has thermocouple with the temperature control contact with platform on the threaded hole; There is the thermocouple with the temperature control contact with platform bearing center.
And, be provided with isocyanurate foam between boss shape temperature control platform and the shell.
And water jacket is the red copper water jacket, and there are apopore and inlet opening in the side.
And screw thread, following hollow body are the integrated poly-tetrafluoro bearing of positive octahedral shape on the seat.
And boss shape temperature control platform is a boss shape LY12 aluminium.
And support is arc stainless steel stent.
And the thermometric screw rod is the poly-PTFE screw rod of L shape.
And the gap between thermocouple and thermometric screw rod and the thread support is filled with D05 silicon rubber.
And, on the rib of described thermometric screw rod orthogonal directions graduated scale is arranged.
Advantage of the present utility model and beneficial effect are:
1, the utility model adopt the thermometric screw rod with bearing together on support screw thread move up and down, thermometric screw rod horizontal screw thread on bearing moves, realized multiple spot thermometric simultaneously, it is right accurately to screen and weed out the unstable galvanic couple of solder joint, prevents that effectively causing thermoelectric cooling module to lose efficacy because of the galvanic couple butt welding point is insecure brings the loss that can't retrieve.
2, the utility model adopts the seat structure of positive octahedral shape that its point for measuring temperature is increased, and is not limited only to 5 thermometrics, has improved the multiple spot accuracy of thermometric simultaneously.
3, temperature control platform of the present utility model adopts LY12 aluminium boss structure, the good thermal-arrest that has guaranteed the temperature control surface on the one hand is convenient to temperature control, on the other hand because the partially filled isocyanurate foam of depression, guarantee the well insulated between temperature control platform and the shell, reduce thermal loss, be convenient to temperature control.This device adopts thermoelectric cooling module to carry out temperature control, and convenient, simple, easy row has been saved a large amount of human and material resources.
Description of drawings
Fig. 1 is a structure cross-sectional schematic of the present utility model;
Fig. 2 is a schematic top plan view of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and by specific embodiment, and following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.
The temperature homogeneity test board, its innovative point is: comprise shell 1, be fixed on location-plate 2, boss shape temperature control platform 6 and support 8 on the shell by fastening bolt 13 respectively, between location-plate and the boss temperature control platform water jacket 3 and temperature control refrigerating assembly 5 are arranged from bottom to top; The hot side of being close to the temperature control refrigerating assembly above the water jacket, the huyashi-chuuka (cold chinese-style noodles) of temperature control refrigerating assembly be close to the temperature control platform below; The bearing 9 that has screw thread to move up and down on the support, the bearing upper end is the hollow body that the side has at least four threaded holes for screw shaped, lower end, is furnished with the thermometric screw rod 10 that has thermocouple 7 with the temperature control contact with platform on the threaded hole; There is the thermocouple with the temperature control contact with platform bearing center; Be provided with isocyanurate foam 12 between described boss shape temperature control platform and the shell; Described water jacket is the red copper water jacket, and there are apopore 11 and inlet opening 4 in the side; Screw thread, following hollow body are the integrated poly-tetrafluoro bearing of positive octahedral shape on described the seat; Described boss shape temperature control platform is a boss shape LY12 aluminium; Described support is arc stainless steel stent; Described thermometric screw rod is the poly-PTFE screw rod of L shape; Gap between described thermocouple and thermometric screw rod and the thread support is filled with D05 silicon rubber; On the rib of described thermometric screw rod orthogonal directions graduated scale is arranged.
Embodiment: in accompanying drawing 1-2, outer casing thickness is 3mm, and material is No. 45 steel, and table anodic oxidation silver color is handled, and guarantees electrical isolation; The temperature control platform is of a size of height overall 15mm, boss height 10mm wherein, and the cross section of boss is 40mm * 40mm, the sectional dimension of bottom is the LY12 aluminium of 62mm * 62mm, shoulder has the thick isocyanurate foam of 5mm around the temperature control platform, realizes thermal insulation, and boss exposes shell 2mm; Filled polyurethane foam between temperature control platform and the shell is located by connecting both by the fastening bolt that gathers PTFE in realization, guarantees temperature control platform good location; The temperature control platform self plays temperature controlled good conduction, can guarantee temperature-controlled precision; The lower surface of temperature control platform mounts 4 TES1-12740 type thermoelectric (al) cooling parts, and two strings two series-parallel connection syndeton is also regulated its input voltage and realized the temperature of temperature control platform is controlled.Temperature control refrigerating assembly control temperature by regulating the different voltage input of temperature control refrigerating assembly, is controlled at the temperature control platform 27 ℃ ± 1 ℃ temperature spot usually; The huyashi-chuuka (cold chinese-style noodles) of temperature control refrigerating assembly plays cooling effect, realize that by thermal coupling the temperature of temperature control platform is controlled, and the heat of its generation is taken away used heat by the red copper water jacket, and inlet opening and apopore are the passages that recirculated water back and forth flows; Location-plate is located by connecting by fastening bolt and shell, guarantees the good thermo-contact between red copper water jacket, temperature control refrigerating assembly, temperature control platform three are mutually.3mm is thick, 20mm is wide, the back length 480mm that extends, and middle segment length 150mm has " bow " shape support than strong rigidity and intensity stainless steel material, fixedlys connected with shell by fastening bolt.Bearing total length 160mm, screw thread screws partial-length 70mm on the bearing, screw thread nominal diameter Φ 8mm, seat part is divided into the octahedral shape structure that the length of side is 25mm, height 15mm, the thickness of rib is 3mm, and its middle rib and screw rod are the structure of one, and four orthogonal directionss of rib have graduated scale, realize accurately location, the internal thread of four orthogonal directionss screws distance and is 10mm, and screw thread nominal diameter Φ 8mm, the diameter of temperature probe are Φ 3mm, inside is the aperture of Φ 1.5mm, be convenient to fixedly thermocouple, temperature-measuring heat couple can be realized moving in the Φ 3mm-Φ 62mm, has satisfied the temperature non testing requirement of most refrigerating assemblies.Bearing realizes that by the screwing of threaded portion on support top thread support moves up and down, and realizes precise temperature measurement.The thermometric screw rod be distributed in thread support inside four change in coordinate axis direction of orthogonal coordinate system, can screw the temperature monitoring of realizing difference by screw thread.This test board has higher precision, and easy to use, and volume is little, is easy to carry.
Principle of work of the present utility model is:
Thermoelectric cooling module multi-point temp test job process: at first tested thermoelectric cooling module is placed on the temperature control platform, hot side and temperature control contact with platform, huyashi-chuuka (cold chinese-style noodles) and bearing contact with thermocouple on the thermometric screw rod, screw thread support and guarantee that thermocouple contacts with the good of refrigerating assembly huyashi-chuuka (cold chinese-style noodles).Wherein, the hot side of tested refrigerating assembly is evenly smeared the glycerine thinning agent and is guaranteed good thermo-contact, and refrigerating assembly passes to maximum temperature difference voltage and tests.When beginning operate as normal, it regulates the input voltage of temperature control refrigerating assembly, when the temperature of guaranteeing the temperature control platform is generally 27 ℃ ± 1 ℃ predetermined value, and test refrigerating assembly huyashi-chuuka (cold chinese-style noodles) temperature.At any time screw screw thread in the process of the test according to demand and move the thermometric of realizing real-time diverse location.
Claims (9)
1. temperature homogeneity test board is characterized in that: comprise shell, be fixed on location-plate, boss shape temperature control platform and support on the shell by fastening bolt respectively, between location-plate and the boss shape temperature control platform water jacket and temperature control refrigerating assembly are arranged from bottom to top; The hot side of being close to the temperature control refrigerating assembly above the water jacket, the huyashi-chuuka (cold chinese-style noodles) of temperature control refrigerating assembly be close to the temperature control platform below; The bearing that has screw thread to move up and down on the support, the bearing upper end is the hollow body that the side has at least four threaded holes for screw shaped, lower end, is furnished with the thermometric screw rod that has thermocouple with the temperature control contact with platform on the threaded hole; There is the thermocouple with the temperature control contact with platform bearing center.
2. temperature homogeneity test board according to claim 1 is characterized in that: be provided with isocyanurate foam between described boss shape temperature control platform and the shell.
3. temperature homogeneity test board according to claim 1 is characterized in that: described water jacket is the red copper water jacket, and there are apopore and inlet opening in the side.
4. temperature homogeneity test board according to claim 1 is characterized in that: screw thread, following hollow body are the integrated poly-tetrafluoro bearing of positive octahedral shape on described the seat.
5. temperature homogeneity test board according to claim 1 is characterized in that: described boss shape temperature control platform is a boss shape LY12 aluminium.
6. temperature homogeneity test board according to claim 1 is characterized in that: described support is arc stainless steel stent.
7. temperature homogeneity test board according to claim 1 is characterized in that: described thermometric screw rod is the poly-PTFE screw rod of L shape.
8. temperature homogeneity test board according to claim 1 is characterized in that: the gap between described thermocouple and thermometric screw rod and the thread support is filled with D05 silicon rubber.
9. temperature homogeneity test board according to claim 1 is characterized in that: on the rib of described thermometric screw rod orthogonal directions graduated scale is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202510728U CN201555667U (en) | 2009-11-30 | 2009-11-30 | Temperature uniformity test table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202510728U CN201555667U (en) | 2009-11-30 | 2009-11-30 | Temperature uniformity test table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201555667U true CN201555667U (en) | 2010-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202510728U Expired - Fee Related CN201555667U (en) | 2009-11-30 | 2009-11-30 | Temperature uniformity test table |
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| Country | Link |
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| CN (1) | CN201555667U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021313A (en) * | 2015-08-26 | 2015-11-04 | 广州特种承压设备检测研究院 | Temperature-detecting device for polyethylene pressure pipeline thermofusion welding machine, and method thereof |
| CN105115611A (en) * | 2015-08-06 | 2015-12-02 | 中家院（北京）检测认证有限公司 | Thermocouple single support device suitable for refrigeration equipment performance test |
| CN105115610A (en) * | 2015-08-06 | 2015-12-02 | 中家院（北京）检测认证有限公司 | Thermocouple double support device suitable for refrigeration equipment performance test |
| CN105761772A (en) * | 2014-12-19 | 2016-07-13 | 中国电子科技集团公司第十八研究所 | Low temperature control method for isotope temperature difference battery wall face |
| CN104122472B (en) * | 2014-08-04 | 2017-02-22 | 珠海格力电器股份有限公司 | Detection system and detection method for judging heating uniformity of electric heating tubes |
-
2009
- 2009-11-30 CN CN2009202510728U patent/CN201555667U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122472B (en) * | 2014-08-04 | 2017-02-22 | 珠海格力电器股份有限公司 | Detection system and detection method for judging heating uniformity of electric heating tubes |
| CN105761772A (en) * | 2014-12-19 | 2016-07-13 | 中国电子科技集团公司第十八研究所 | Low temperature control method for isotope temperature difference battery wall face |
| CN105115611A (en) * | 2015-08-06 | 2015-12-02 | 中家院（北京）检测认证有限公司 | Thermocouple single support device suitable for refrigeration equipment performance test |
| CN105115610A (en) * | 2015-08-06 | 2015-12-02 | 中家院（北京）检测认证有限公司 | Thermocouple double support device suitable for refrigeration equipment performance test |
| CN105021313A (en) * | 2015-08-26 | 2015-11-04 | 广州特种承压设备检测研究院 | Temperature-detecting device for polyethylene pressure pipeline thermofusion welding machine, and method thereof |
| CN105021313B (en) * | 2015-08-26 | 2017-10-20 | 广州特种承压设备检测研究院 | Polyethylene pressure pipe road hot-melt welding machine temperature-detecting device and method |
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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: 20100818 Termination date: 20161130 |