CN202494515U - Temperature control clamp - Google Patents
Temperature control clamp Download PDFInfo
- Publication number
- CN202494515U CN202494515U CN2012200742173U CN201220074217U CN202494515U CN 202494515 U CN202494515 U CN 202494515U CN 2012200742173 U CN2012200742173 U CN 2012200742173U CN 201220074217 U CN201220074217 U CN 201220074217U CN 202494515 U CN202494515 U CN 202494515U
- Authority
- CN
- China
- Prior art keywords
- heat
- conducting block
- temperature control
- thermoelectric converter
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a temperature control clamp, comprising a first heat conduction block, a second heat conduction, and a thermoelectric converter, wherein the thermoelectric converter is positioned between the first heat conduction block and the second heat conduction block, and is pressed tightly through the first heat conduction block and the second heat conduction block. The temperature control clamp divides the heat conduction block into two blocks to shorten the length of the heat conduction block between a temperature control object and the thermoelectric converter, thereby decreasing the thermal resistance and the thermal capacitance of the heat conduction blocks, so that the thermoelectric converter can timely and rapidly conduct heat to the temperature control object and can effectively maintain a constant temperature state of the temperature control object at a specified temperature. In addition, the temperature control clamp has the characteristics of high temperature control speed, high accuracy, and the like, and is especially suitable for test equipment where the temperature control object needs to be inserted in a long distance.
Description
Technical field
The utility model belongs to the optical radiation measurement field, is specifically related to a kind of temperature control anchor clamps.
Background technology
Semiconductor devices such as LED are very responsive to temperature; In to its test process, because the temperature variation that himself generates heat or other extraneous factors cause is bigger to the measurement result influence; The temperature constant state that therefore, in test process, can keep LED to be stabilized under the assigned temperature is extremely important.
Traditional temperature control anchor clamps are as shown in Figure 1, comprise heat conduction copper billet, thermoelectric converter and a heating radiator, and thermoelectric converter is between heat conduction copper billet and heating radiator.During actual measurement, tested LED places on the heat conduction copper billet, and thermoelectric converter freezes to the heat conduction copper billet or heats, and heat conduction copper billet and tested LED carry out sufficient heat conduction, thereby the temperature of the reduction or the tested LED that raises realizes the thermostatic control of LED.But; Because the heat conduction copper billet itself exists certain thermal capacitance and thermal resistance, if the length of heat conduction copper billet volume long, copper billet is bigger, causes the heat conduction time between thermoelectric converter and the tested LED long; Difficulty reaches thermal equilibrium, and above-mentioned factor is bigger to temperature control speed and the precision influence of LED.Therefore; Because the restriction of heat conduction copper billet length; Tradition temperature control anchor clamps are difficult to be applied to some need extend into (as utilizing the photochromic performance of integrating sphere measurement LED product) in the testing apparatus with the long distance of LED ground, otherwise will cause that temperature control speed is slow, precision is low, can not satisfy the high precision measurement requirement.
The utility model content
In order to overcome the above-mentioned defective that exists in the prior art, the utility model discloses a kind of temperature control anchor clamps, these temperature control anchor clamps can effectively keep the temperature constant state of temperature control target under assigned temperature, and have characteristics such as temperature control speed is fast, accuracy height.
A kind of temperature control anchor clamps; Comprise thermoelectric converter and heat-conducting block; It is characterized in that described heat-conducting block comprises first heat-conducting block and second heat-conducting block, described thermoelectric converter is between first heat-conducting block and second heat-conducting block; And the upper and lower surfaces of thermoelectric converter compresses with second heat-conducting block with first heat-conducting block respectively and contacts, and described first heat-conducting block contacts with the temperature control target.
Thermoelectric converter is the thermoelectric element of directly heat energy and electric energy being changed each other.Load DC voltage at its two ends, heat will flow to the other end from an end of thermoelectric element, and at this moment, an end temperature of thermoelectric element can reduce, and the temperature of the other end rises simultaneously.It should be noted that as long as change direction of current, can change the direction of hot-fluid, thereby heat delivery is arrived the other end.Therefore, on same thermoelectric element, just can realize simultaneously freezing and heating two kinds of functions.In addition, thermoelectric element also has advantages such as volume is little, in light weight, the temperature control accuracy high, temperature-control range is wide, can realize the high-accuracy and constant temperature control in the relative broad range.
The disclosed temperature control anchor clamps of the utility model through two heat-conducting blocks are set, are arranged at thermoelectric converter between two heat-conducting blocks; And compress this thermoelectric converter through two heat-conducting blocks, and make the first heat-conducting block length of supporting temperature control target less, the thermal resistance of first heat-conducting block and thermal capacitance are also correspondingly less; Thermoelectric converter is also shorter to the refrigeration or the heat time heating time of temperature control target; Therefore, the temperature of thermoelectric converter can be by in time, be transmitted on the temperature control target through first heat-conducting block apace, to guarantee the temperature constant state of temperature control target; Have characteristics such as the heat of transmission is fast, accuracy of temperature control height, being specially adapted to need be long apart from the testing apparatus that stretches into the temperature control target.
The utility model can also be through the further qualification and perfect of following technical scheme.
As preferably, comprise heating radiator, described heating radiator contacts with second heat-conducting block and is fixedly connected.The heat radiation power of the heating radiator here should be enough big, to guarantee heating radiator the heat that the conduction of second heat-conducting block comes exported fast, thereby guaranteed that the thermoelectric converter that contacts with second heat-conducting block can not damage owing to temperature is too high.On general, the size of the heat radiation power of heating radiator should be able to make second heat-conducting block be stabilized in about 25 ℃ of room temperatures.
As preferably, described thermoelectric converter is TEC (Thermoelectric Cooler) semiconductor cooler.Those skilled in the art knows, and semiconductor cooler absorbed in the unit interval or liberated heat depends on its size of current, therefore, through the size of current of regulating circuit, i.e. the ability of may command semiconductor cooler neither endothermic nor exothermic; And through regulating the direction of current of semiconductor cooler control circuit, promptly (control circuit is just being connect, and the TEC heat absorption is freezed to the temperature control target for the heating of scalable TEC or refrigerating state; With the control circuit reversal connection, the TEC heat radiation is to the heating of temperature control target).For example, when control circuit is just connecing,, increase the heat absorption capacity that electric current improves TEC, with the temperature of quick reduction temperature control target when the actual temperature of temperature control target during far above design temperature; During the control circuit reversal connection, when the actual temperature of temperature control target during a little less than design temperature, current value is got smaller value with to temperature control target heated.When control circuit is just connecing, when the actual temperature of temperature control target is lower than design temperature, with the circuit reversal connection with the heating temperature control target; During reversal connection, when the actual temperature of temperature control target is higher than design temperature, circuit is just being connect the temperature control target is being lowered the temperature.Therefore,, can realize accurate temperature controlling, guarantee that the temperature control target can keep temperature constant state under assigned temperature the temperature control target through regulating the size of current and the direction of TEC control circuit.
As preferably, comprise the through hole that is used for the laying temperature sensor, described through hole is arranged on the inside of first heat-conducting block, and the upper surface of its upper surface and first heat-conducting block exists certain distance, lower surface to run through the lower surface of first heat-conducting block.This through hole needs enough little (generally being taken as 0.5mm) apart from the distance of the first heat-conducting block upper surface; So that temperature sensor can be sensed the temperature of the temperature control target that is placed on first heat-conducting block in real time, exactly; Thereby the input current of real-time regulated thermoelectric converter is guaranteed the temperature constant state of temperature control target.As preferably; For preventing to occur the space on the surface of contact; Cause heat conduction insufficient; On the surface of contact of the surface of contact of surface of contact, second heat-conducting block and the thermoelectric converter of first heat-conducting block and thermoelectric converter and second heat-conducting block and heating radiator, all scribble heat-conducting silicone grease, so that all fully heat conduction of each surface of contact.
As preferably, the material of described first heat-conducting block, second heat-conducting block, heating radiator is copper or the good material of other heat conductivilitys.
As preferably, comprise aluminum shell, described heating radiator is arranged on enclosure and is fixedly connected with shell, and described second heat-conducting block is fixedly connected with shell.Traditional temperature control anchor clamps generally adopt iron shell, and iron shell not only difficulty of processing is big, and the grip size precision of processing is low; The extraordinary aluminum steel plate of the flatness of the utility model utilization own is processed shell, and handling ease and dimensional accuracy are high.In addition, the heating radiator here is fixedly connected with shell, shell is fixedly connected with second heat-conducting block again, and promptly heating radiator is fixedly connected with second heat-conducting block through shell, has guaranteed that whole temperature control anchor clamps are connected firmly.
As preferably, comprise the collet that is enclosed within on the heat-conducting block, described collet is fixedly connected with first heat-conducting block; Perhaps described collet all is fixedly connected with shell with first heat-conducting block, and so that heat-conducting block and external environment are kept apart, the temperature of assurance heat-conducting block does not receive the influence of external environment, improves measuring accuracy.
As preferably, comprise the blower fan that is arranged on enclosure, described blower fan is fixedly connected with heating radiator, so that in time export the heat of heat sink radiates, guarantees the temperature constant state of heating radiator.If the heat radiation power of heating radiator is less, heat can not in time be exported, and will cause the temperature of second heat-conducting block to raise; And then the surface temperature that causes thermoelectric converter to contact with second heat-conducting block raises; Thereby influence the accuracy of temperature control of temperature control target, when serious, will damage thermoelectric converter.
As preferably, for guaranteeing the attractive in appearance of whole anchor clamps, comprise to be used to compress the trim ring of wiring, described trim ring is fixedly attached on the collet through screw thread.On general, the wiring of drawing from the temperature control target comprises supply lines and slotted line, postpone to trim ring along collet respectively, trim ring through regulate screw thread with compress, link.
As preferably, the cover upper cover in the outside of collet and trim ring, keeping the globality of temperature control anchor clamps, and in order to dustproof etc.
Need to prove that above-mentioned temperature control target is generally semiconductor devices such as LED.
In sum; The beneficial effect of the utility model is through two heat-conducting blocks are set, thermoelectric converter to be arranged between two heat-conducting blocks; To shorten the length of heat-conducting block between temperature control target and the heat energy converter; Thereby reduce its thermal resistance and thermal capacitance, make thermoelectric converter can be in time, apace heat is conducted to the temperature control target, can be stabilized in the temperature constant state of any appointment to guarantee the temperature control target; Have characteristics such as temperature control speed is fast, accuracy height, being specially adapted to need be long apart from the testing apparatus that stretches into the temperature control target.
Description of drawings
Fig. 1 is the structural representation of traditional temperature control anchor clamps;
Fig. 2 is the structural representation of embodiment 1;
Fig. 3 is applied to the structural representation in the integrating sphere test for embodiment 1;
Fig. 4 is the structural representation of embodiment 2;
Fig. 5 is the structural representation of embodiment 3;
Fig. 6 is the structural representation of embodiment 4.
The 1-thermoelectric converter; The 2-heat-conducting block; 2-1-first heat-conducting block; 2-2-second heat-conducting block; The 3-heating radiator; The 4-collet; The 5-shell; The 6-trim ring; The 7-through hole; The 8-blower fan; The 9-lid.
Embodiment
As shown in Figure 2; A kind of temperature control anchor clamps; Comprise thermoelectric converter 1, the first heat-conducting block 2-1, the second heat-conducting block 2-2, heating radiator 3, collet 4 and shell 5, thermoelectric converter 1 compresses between the first heat-conducting block 2-1 and the second heat-conducting block 2-2 and through the first heat-conducting block 2-1 and the second heat-conducting block 2-2; Heating radiator 3 is arranged on shell 5 inside and is fixedly connected with shell 5, and the second heat-conducting block 2-2 contacts with heating radiator 3 and is fixedly connected; Collet 4 is enclosed within on the heat-conducting block 2, and collet 4 all is fixedly connected with shell 5 with the first heat-conducting block 2-1.
Also be provided with the through hole 7 that is used for the laying temperature sensor in the inside of the first heat-conducting block 2-1, the upper surface of its upper surface and the first heat-conducting block 2-1 run through the lower surface of the first heat-conducting block 2-1 apart from 0.5mm, lower surface.Also be provided with the blower fan 8 that is fixedly connected with heating radiator 3 in the inside of shell 5, be used for the heat that heating radiator 3 sends is in time exported.In addition, for the purpose of attractive in appearance, also fix a trim ring 6, be used for supply lines and slotted line from tested LED are compressed, fix through screw thread in the outside of collet 4.
In the actual measurement process; Temperature sensor in the through hole 7 is sent to controller with the real time temperature of tested LED; Thermoelectric converter 1 is through external control circuit control; Extraneous control circuit gives thermoelectric converter 1 input certain electric current, through the size of current and the direction of controller control thermoelectric converter 1, realizes the temperature constant state of tested LED.The heat radiation power of supposing heating radiator 3 is enough big, makes heating radiator 3 and surrounding environment sufficient heat exchange to keep its temperature stabilization about 25 ℃ of room temperatures.Concrete control procedure is following: if need make tested LED be stabilized in 50 ℃, the real time temperature that temperature sensor records LED is 60 ℃, then control circuit is just connect, and thermoelectric converter 1 heat absorption reducing the temperature of LED, is 50 ℃ until the real time temperature of LED; If the real time temperature of LED is 40 ℃, then with the control circuit reversal connection, thermoelectric converter 1 heat release improving the temperature of LED, is 50 ℃ until the real time temperature of LED.Said process is capable of circulation to carry out, and in measuring process, remains temperature constant to guarantee tested LED.
Embodiment 2
As shown in Figure 4, what present embodiment and embodiment 1 were different is, shell 5, trim ring 6 and blower fan 8 are not set in the present embodiment, and collet 4 only is fixedly connected with the first heat-conducting block 2-1.
As shown in Figure 5, what present embodiment and embodiment 1 were different is, the second heat conduction copper billet 2-2 in the present embodiment is the part of heating radiator 3, and promptly both are incorporate; Also include the lid 9 that is enclosed within on collet 4 and the trim ring 6, in order to dustproof etc.
As shown in Figure 6, what present embodiment and embodiment 2 were different is, the second heat conduction copper billet 2-2 in the present embodiment is the part of heating radiator 3, and promptly both are incorporate.
Claims (10)
1. temperature control anchor clamps; Comprise thermoelectric converter (1) and heat-conducting block (2); It is characterized in that described heat-conducting block (2) comprises first heat-conducting block (2-1) and second heat-conducting block (2-2), described thermoelectric converter (1) is positioned between first heat-conducting block (2-1) and second heat-conducting block (2-2); And the upper and lower surfaces of thermoelectric converter (1) compresses with second heat-conducting block (2-2) with first heat-conducting block (2-1) respectively and contacts, and described first heat-conducting block (2-1) contacts with the temperature control target.
2. a kind of temperature control anchor clamps as claimed in claim 1 is characterized in that, comprise heating radiator (3), and described heating radiator (3) contacts with second heat-conducting block (2-2) and is fixedly connected.
3. a kind of temperature control anchor clamps as claimed in claim 1 is characterized in that described thermoelectric converter (1) is a semiconductor cooler.
4. a kind of temperature control anchor clamps as claimed in claim 1 is characterized in that, comprise the through hole (7) that is used for the laying temperature sensor, and described through hole (7) is arranged on the inside of first heat-conducting block (2-1).
5. according to claim 1 or claim 2 a kind of temperature control anchor clamps; It is characterized in that, on the surface of contact of the surface of contact of surface of contact, second heat-conducting block (2-2) and the thermoelectric converter (1) of first heat-conducting block (2-1) and thermoelectric converter (1) and second heat-conducting block (2-2) and heating radiator (3), all scribble heat-conducting silicone grease.
6. a kind of temperature control anchor clamps as claimed in claim 1 is characterized in that, the material of described first heat-conducting block (2-1), second heat-conducting block (2-2) and heating radiator (3) is copper or the good material of other heat conductivilitys.
7. a kind of temperature control anchor clamps as claimed in claim 2 is characterized in that, comprise aluminum shell (5), and described heating radiator (3) is arranged on shell (5) inside and is fixedly connected with shell (5), and described second heat-conducting block (2-2) is fixedly connected with shell (5).
8. like claim 1 or 6 described a kind of temperature control anchor clamps, it is characterized in that comprise the collet (4) that is enclosed within on the heat-conducting block (2), described collet (4) is fixedly connected with first heat-conducting block (2-1); Perhaps described collet (4) all is fixedly connected with shell (5) with first heat-conducting block (2-1).
9. a kind of temperature control anchor clamps as claimed in claim 7 is characterized in that, comprise being arranged on the inner blower fan (8) of shell (5), and described blower fan (8) is fixedly connected with heating radiator (3).
10. a kind of temperature control anchor clamps as claimed in claim 8 is characterized in that, comprise the trim ring (6) that is used to compress wiring, and described trim ring (6) is fixedly attached on the collet (4) through screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200742173U CN202494515U (en) | 2012-03-02 | 2012-03-02 | Temperature control clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200742173U CN202494515U (en) | 2012-03-02 | 2012-03-02 | Temperature control clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202494515U true CN202494515U (en) | 2012-10-17 |
Family
ID=47000740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200742173U Expired - Fee Related CN202494515U (en) | 2012-03-02 | 2012-03-02 | Temperature control clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202494515U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822940A (en) * | 2014-03-12 | 2014-05-28 | 南京航空航天大学 | Method and device for testing thermal performance of LED radiator |
| CN105021291A (en) * | 2015-08-07 | 2015-11-04 | 广州赛西标准检测研究院有限公司 | LED module thermal interface measuring system and measuring method thereof |
| CN109883748A (en) * | 2019-04-02 | 2019-06-14 | 无锡厦泰生物科技有限公司 | A kind of separate type low-heat leads TEC detection device |
-
2012
- 2012-03-02 CN CN2012200742173U patent/CN202494515U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822940A (en) * | 2014-03-12 | 2014-05-28 | 南京航空航天大学 | Method and device for testing thermal performance of LED radiator |
| CN103822940B (en) * | 2014-03-12 | 2015-12-02 | 南京航空航天大学 | LED radiator thermal performance test method and proving installation |
| CN105021291A (en) * | 2015-08-07 | 2015-11-04 | 广州赛西标准检测研究院有限公司 | LED module thermal interface measuring system and measuring method thereof |
| CN105021291B (en) * | 2015-08-07 | 2018-06-01 | 广州赛西标准检测研究院有限公司 | LED module calorifics interface measuring system and its measuring method |
| CN109883748A (en) * | 2019-04-02 | 2019-06-14 | 无锡厦泰生物科技有限公司 | A kind of separate type low-heat leads TEC detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205561330U (en) | Quick constant temperature control box of small -size semiconductor high accuracy | |
| CN201152650Y (en) | Cold-hot transformation apparatus having solid multi-lattice | |
| CN104062990A (en) | Noise reduction and temperature control system based on semiconductor refrigeration mechanism | |
| CN102353479B (en) | Device for measuring cooling capacity of thermoelectric refrigerating unit | |
| CN107491111B (en) | A kind of temprature control method based on TEC | |
| CN208334251U (en) | A kind of heat dissipation index measurement device | |
| CN202494515U (en) | Temperature control clamp | |
| CN204333581U (en) | A kind of novel plug box | |
| CN203759637U (en) | Computer hard disk drive semiconductor cooling heating device | |
| CN101893506B (en) | Device for temperature test | |
| CN101777589A (en) | APD (avalanche photo diode) temperature control device | |
| CN2898901Y (en) | Temperature adjuster of physical chemical experimental system | |
| CN201654573U (en) | Apd temperature control device | |
| CN105004094A (en) | Semiconductor refrigeration equipment achieving heat radiation through heat pipes | |
| CN205944335U (en) | Temperature control system of battery package | |
| CN210619020U (en) | Intelligent device for functional biological liquid fertilizer | |
| CN104009149A (en) | Semiconductor refrigeration device and manufacturing method thereof | |
| CN102495648B (en) | Temperature regulating device and temperature instrument checking device with same | |
| CN205749852U (en) | Quasiconductor cooling aging equipment for the large-power LED light bead of LM-80 standard | |
| CN204989714U (en) | Semiconductor accuse temperature crystal plate and frequency ware | |
| CN204462046U (en) | Material robotization thermal cycle experiment device | |
| CN207082031U (en) | A kind of isolated temperature control system | |
| CN208522487U (en) | A kind of wireless charging device | |
| CN106876824A (en) | A kind of semiconductor chilling plate Double-direction Temperature control device for button cell | |
| CN209197201U (en) | A kind of semiconductor TEC temperature control power supply |
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: 20121017 Termination date: 20210302 |