CN213338464U - Surface temperature control device based on reverse overlapped double thermoelectric modules - Google Patents
Surface temperature control device based on reverse overlapped double thermoelectric modules Download PDFInfo
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- CN213338464U CN213338464U CN202022677943.1U CN202022677943U CN213338464U CN 213338464 U CN213338464 U CN 213338464U CN 202022677943 U CN202022677943 U CN 202022677943U CN 213338464 U CN213338464 U CN 213338464U
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- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 238000005057 refrigeration Methods 0.000 claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007704 transition Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a surface temperature regulating device based on two thermoelectric module of reverse eclipsed form, including accuse temperature surface, one-level thermoelectric module, second grade thermoelectric module, radiating fin and radiator fan. The technical effect of the utility model is undoubted, the utility model provides a but surface temperature regulating device of quick transition surface heating/refrigeration mode, supply circuit is simple, and heating/refrigeration mode changes rapidly, and the temperature-controlled surface energy rises and falls the temperature as required fast.
Description
Technical Field
The utility model relates to a temperature regulating device field specifically is a surface temperature regulating device based on two thermoelectric module of reverse eclipsed form.
Background
Semiconductor-based thermoelectric coolers operate on the peltier principle, where heat flows from one end of the element to the other when a relatively low dc voltage is applied across the cooler. The direction of the current is changed, so that the direction of the heat flow can be changed, and the thermoelectric refrigerator can realize two functions of refrigeration and heating, is usually used for precise temperature control and has wide application fields. Compared with a common radiator, the thermoelectric refrigerator can reduce the temperature of an object to be lower than the ambient temperature, and has the advantages of small volume and weight, no moving parts, high reliability, environmental friendliness and the like.
In military affairs, in order to control the temperature of the target surface to be consistent with the change of the background temperature and realize infrared stealth, the target surface needs to be frequently cooled or heated at any time. Generally, the same thermoelectric refrigerator can realize the conversion of heating and refrigeration by changing the current direction, although the structure is simple, the power supply control circuit for changing the current direction is relatively complex, the heating/refrigeration of the same thermoelectric refrigerator can not be instantaneously converted, a certain time interval is needed, otherwise the service life of the thermoelectric refrigerator is easily reduced, therefore, the method for realizing the conversion of heating/refrigeration by changing the current direction by adopting the same thermoelectric refrigerator is not suitable for controlling the self-adaption rapid change of the military target surface temperature along with the background.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a surface temperature regulating device based on two thermoelectric module of reverse eclipsed form, including accuse temperature surface, one-level thermoelectric module, second grade thermoelectric module, radiating fin and radiator fan.
The temperature control surface is the surface of a temperature adjusting target.
The primary thermoelectric module is attached to the surface of the temperature control surface.
One side of the primary thermoelectric module, which is in contact with the temperature control surface, is a heating surface.
The secondary thermoelectric module is attached to the surface of the primary thermoelectric module.
And one surface of the secondary thermoelectric module, which is in contact with the primary thermoelectric module, is a refrigerating surface.
The primary thermoelectric module is a heating module. The secondary thermoelectric module is a refrigeration module.
The positive and negative poles of the direct current power supply applied by the first-stage thermoelectric module and the second-stage thermoelectric module are opposite.
The primary thermoelectric module and the secondary thermoelectric module do not operate simultaneously.
The primary thermoelectric module and the secondary thermoelectric module are thermoelectric refrigerators.
The radiating fins are attached to the surface of the secondary thermoelectric module.
The heat dissipation fan is fixed on the heat dissipation fins.
The cooling fan and the secondary thermoelectric module operate simultaneously.
The technical effect of the utility model is undoubted, the utility model provides a but surface temperature regulating device of quick transition surface heating/refrigeration mode, supply circuit is simple, and heating/refrigeration mode changes rapidly, and the temperature-controlled surface energy rises and falls the temperature as required fast.
The utility model discloses heating or cooling to the target surface adopts the different thermoelectric module that overlap each other respectively to realize, and one is used for heating specially, and another is used for specially refrigerating, realizes heating or refrigerating only through the break-make of electric current respectively, and thermoelectric module need not carry out DC power supply positive negative pole conversion, and supply circuit is simple relatively; when the heating/refrigerating conversion is carried out on the target surface, the heating/refrigerating conversion can be realized by switching on and off the currents applied by the two thermoelectric modules, the conversion speed is high, the defect that a certain interval time is needed for realizing the heating/refrigerating conversion by adopting the same thermoelectric module through converting the current direction is avoided, and the target surface can be quickly heated and cooled according to the requirement.
Drawings
FIG. 1 is a schematic structural view;
FIG. 2 is a schematic circuit diagram of a surface temperature control device;
in the figure: temperature control surface 1, primary thermoelectric module 2, secondary thermoelectric module 3, radiating fin 4 and radiator fan 5.
Detailed Description
The present invention will be further described with reference to the following examples, but it should not be construed that the scope of the present invention is limited to the following examples. Various substitutions and modifications can be made without departing from the technical spirit of the invention and according to the common technical knowledge and conventional means in the field, and all shall be included in the scope of the invention.
Example 1:
referring to fig. 1, a surface temperature control device based on a double thermoelectric module of an inverted overlapping type includes a temperature control surface 1, a primary thermoelectric module 2, a secondary thermoelectric module 3, a heat dissipation fin 4 and a heat dissipation fan 5.
The temperature control surface 1 is the surface of a temperature adjustment target.
The primary thermoelectric module 2 is attached to the surface of the temperature control surface 1.
One side of the primary thermoelectric module 2 contacting the temperature control surface 1 is a heating surface.
The secondary thermoelectric module 3 is attached to the surface of the primary thermoelectric module 2.
And one surface of the secondary thermoelectric module 3 contacting the primary thermoelectric module 2 is a refrigerating surface.
The primary thermoelectric module 2 is a heating module. The secondary thermoelectric module 3 is a refrigeration module.
The positive and negative poles of the direct current power supply applied by the first-stage thermoelectric module 2 and the second-stage thermoelectric module 3 are opposite.
The primary thermoelectric module 2 and the secondary thermoelectric module 3 do not operate simultaneously.
The primary thermoelectric module 2 and the secondary thermoelectric module 3 are thermoelectric refrigerators.
The heat dissipation fins 4 are attached to the surface of the secondary thermoelectric module 3.
The heat radiation fan 5 is fixed on the heat radiation fin 4. The heat radiation fan 5 is connected with the heat radiation fins 4 through bolts.
The cooling fan 5 and the secondary thermoelectric module 3 operate simultaneously.
Example 2:
referring to fig. 1 and 2, a surface temperature control device based on a double thermoelectric module of an inverted overlapping type includes a temperature control surface 1, a primary thermoelectric module 2, a secondary thermoelectric module 3, a heat dissipation fin 4 and a heat dissipation fan 5.
The primary thermoelectric module 2 and the secondary thermoelectric module 3 are arranged in an overlapping manner and are attached to the back side of the temperature control surface 1; the bottom surfaces of the radiating fins 4 are tightly attached to the secondary thermoelectric module 3; the heat radiation fan 5 is fixed on the heat radiation fins 4; the positive and negative poles of the direct current power supply applied by the first-stage thermoelectric module 2 and the second-stage thermoelectric module 3 are opposite.
The heating surface of the first-stage thermoelectric module 2 is tightly attached to the back side of the temperature control surface 1, and the refrigerating surface of the second-stage thermoelectric module 3 is tightly attached to the first-stage thermoelectric module 2.
The first-stage thermoelectric module 2 is connected with the series power supply U through a switch K2, and the second-stage thermoelectric module 3 is connected with the series power supply U through a switch K1.
When the temperature control surface 1 needs to be heated and heated, the switch K2 is switched on, the switch K1 is switched off, the primary thermoelectric module 2 is electrified and works, and the secondary thermoelectric module 3 and the cooling fan 5 are powered off and do not work. Because the heating surface of the first-stage thermoelectric module 2 is directly attached to the back side of the temperature control surface 1, the first-stage thermoelectric module 2 is used as a heating module to heat the temperature control surface 1. When the temperature control surface 1 needs to be cooled, the switch K2 is turned off, the power supply of the first-stage thermoelectric module 2 is disconnected, the first-stage thermoelectric module 2 does not perform heating operation, the switch K1 is turned on, the second-stage thermoelectric module 3 is powered on, because the positive and negative poles of the direct-current power supply are opposite to the positive and negative poles of the power supply of the first-stage thermoelectric module 2, the refrigerating surface of the second-stage thermoelectric module 3 is tightly attached to the first-stage thermoelectric module 2, the temperature of the temperature control surface 1 is cooled through heat conduction of the first-stage thermoelectric module 2, the cooling fan 5 is turned on, and the heating surface of the second-stage thermoelectric module 3 is cooled through the cooling fins 4, so.
Claims (9)
1. A surface temperature control device based on reverse overlapped double thermoelectric modules is characterized in that: the thermoelectric module comprises a temperature control surface (1), a primary thermoelectric module (2), a secondary thermoelectric module (3), radiating fins (4) and a radiating fan (5);
the primary thermoelectric module (2) is attached to the surface of the temperature control surface (1);
the secondary thermoelectric module (3) is attached to the surface of the primary thermoelectric module (2);
the radiating fins (4) are attached to the surface of the secondary thermoelectric module (3);
the heat dissipation fan (5) is fixed on the heat dissipation fins (4).
2. The surface temperature control device based on the double thermoelectric modules in the inverted overlapping manner as claimed in claim 1, wherein the primary thermoelectric module (2) is a heating module; the secondary thermoelectric module (3) is a refrigeration module.
3. The surface temperature control device based on the double thermoelectric modules in the inverted overlapping manner as claimed in claim 1, wherein the primary thermoelectric module (2) and the secondary thermoelectric module (3) apply the DC power with opposite polarities.
4. The surface temperature control device based on the double thermoelectric modules in the inverted overlapping manner as claimed in claim 1, wherein the surface of the primary thermoelectric module (2) contacting the temperature control surface (1) is a heating surface.
5. The surface temperature control device based on the double thermoelectric modules in the inverted overlapping manner as claimed in claim 1, wherein the surface of the secondary thermoelectric module (3) contacting the primary thermoelectric module (2) is a refrigerating surface.
6. The surface temperature control device based on the double thermoelectric modules of the inverted overlapping type as claimed in claim 1, wherein the primary thermoelectric module (2) and the secondary thermoelectric module (3) do not operate simultaneously.
7. The surface temperature control device based on the double thermoelectric modules of the inverted overlapping type according to claim 1, wherein the heat dissipation fan (5) and the secondary thermoelectric module (3) operate simultaneously.
8. The surface temperature control device based on the double thermoelectric modules in the inverted overlapping manner as claimed in claim 1, wherein the primary thermoelectric module (2) and the secondary thermoelectric module (3) are thermoelectric refrigerators.
9. The surface temperature control device based on the double thermoelectric modules of the inverted overlapping type according to claim 1, wherein the temperature control surface (1) is a surface of a temperature adjusting target.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022677943.1U CN213338464U (en) | 2020-11-19 | 2020-11-19 | Surface temperature control device based on reverse overlapped double thermoelectric modules |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022677943.1U CN213338464U (en) | 2020-11-19 | 2020-11-19 | Surface temperature control device based on reverse overlapped double thermoelectric modules |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116013883A (en) * | 2023-02-23 | 2023-04-25 | 哈尔滨工业大学（深圳） | Chip thermoelectric cooling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116013883A (en) * | 2023-02-23 | 2023-04-25 | 哈尔滨工业大学（深圳） | Chip thermoelectric cooling device |
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