CN207094910U - A kind of small-sized constant thermal apparatus at low temperature - Google Patents
A kind of small-sized constant thermal apparatus at low temperature Download PDFInfo
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- CN207094910U CN207094910U CN201721078534.1U CN201721078534U CN207094910U CN 207094910 U CN207094910 U CN 207094910U CN 201721078534 U CN201721078534 U CN 201721078534U CN 207094910 U CN207094910 U CN 207094910U
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- low temperature
- temperature terminal
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- thermal insulation
- terminal
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Abstract
The utility model discloses a kind of small-sized constant thermal apparatus at low temperature, including low temperature terminal, thermal insulation barriers, semiconductor chilling plate, thermal insulation board, radiator, temp probe, control circuit；There is the through hole being adapted with semiconductor chilling plate, the semiconductor chilling plate is embedded in the through hole on the thermal insulation board；The radiator is in close contact by the radiating surface of heat-conducting layer and semiconductor chilling plate to form radiating subassembly；The chill surface of the semiconductor chilling plate is in close contact by heat-conducting piece and low temperature terminal；The periphery of the low temperature terminal is nested with thermal insulation barriers；The temp probe is arranged in low temperature terminal and is connected with control circuit.The utility model can provide the low-temperature receiver and refrigeration plant that compact-sized, volume is light and handy, reliable and stable, easy to use, cost is cheap for the small occasion of chilling requirement.
Description
Technical field
It the utility model is related to refrigeration technology field, more particularly to a kind of small-sized constant thermal apparatus at low temperature.
Background technology
In daily production and living and scientific research, many places need to cool, such as freezer, air-conditioned room, ice
Case, ice-water bath etc..At present, it is that refrigeration working medium is compressed into heat release in high-temperature region by compressor largely to need the environment to cool
Afterwards, low temperature is obtained in low-temperature space evaporation endothermic, but compressor volume is heavy, inconvenient for use, and also it is expensive, it is especially right
In the small application scenario of chilling requirement, the low dose of low-temperature test in such as laboratory or the cold drink cup of Table top type, it is difficult to meet
Use demand.
Semiconductor refrigerating technology principle is based on Peltier principle, is found first by Jean Peltier, i.e., when one piece of N-type half
When conductor material and one piece of p-type semiconductor material are coupled to galvanic couple pair, after connecting DC current in this circuit, it can just produce
The transfer of energy, the joint that electric current is flowed to p-type element by N-type element absorb heat, turn into cold end；N-type member is flowed to by p-type element
The joint release heat of part, turns into release end of heat, such heat just can continually be taken away from cold end, so as to obtain low temperature.With
The development of semi-conducting material, semiconductor refrigerating technology is also increasingly ripe, progresses into the application stage, but only has small-sized partly lead at present
Body refrigerator, by heat-barrier material form can front open the door casing and semiconductor chilling plate, radiator form；And for not
Small-sized low temperature water-bath, the cold bench equipment that low-temperature test often needs are done in same application scenario, such as experiment, at present still without correlation
Product facility can meet to require.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of based on the small of semiconductor refrigerating technology
Type constant thermal apparatus at low temperature, it is intended to provide low-temperature receiver reliable and stable, easy to use, that cost is cheap and refrigeration for the small occasion of chilling requirement
Equipment.
The purpose of this utility model is achieved by the following technical programs：
A kind of small-sized constant thermal apparatus at low temperature provided by the utility model, including low temperature terminal, thermal insulation barriers, semiconductor refrigerating
Piece, thermal insulation board, radiator, temp probe, control circuit；Have on the thermal insulation board and what semiconductor chilling plate was adapted leads to
Hole, the semiconductor chilling plate are embedded in the through hole；The radiating that the radiator passes through heat-conducting layer and semiconductor chilling plate
Face is in close contact and forms radiating subassembly；The chill surface of the semiconductor chilling plate is closely connect by heat-conducting piece and low temperature terminal
Touch；The periphery of the low temperature terminal is nested with thermal insulation barriers；The temp probe is arranged in low temperature terminal and connected with control circuit
Connect.
The utility model radiator can be air-cooled or water cooling, be promoted by the cooling surface contacts with semiconductor chilling plate
Enter and heat sheds, so that semiconductor chilling plate continuously freezes, and be sent to low temperature terminal.Low temperature terminal periphery
Thermal insulation barriers, the loss of low temperature terminal cold can be reduced；The temp probe being arranged in low temperature terminal is connected with control circuit, can
The temperature of monitoring low temperature terminal in real time is realized, and the work of semiconductor chilling plate is controlled according to temperature information, so as to keep low temperature
Terminal temperature is constant.
In such scheme, low temperature terminal described in the utility model is plate plate, and the described device formed is low temperature
Constant temperature cold bench.
In such scheme, low temperature terminal described in the utility model is tank, and its top surface is provided with insulation cover and recirculated water
Conduit, the described device formed are cryogenic thermostat cooling-water machine, so as to provide low temperature water-bath operation.
Further, the utility model cooling-water machine, the radiating subassembly are located at the bottom surface of low temperature terminal tank；The low temperature
The side of terminal tank is nested in thermal insulation barriers.Or the radiating subassembly is two or more than two, is distributed in low temperature terminal
The side of tank；The bottom surface and remaining side of the low temperature terminal tank are nested in thermal insulation barriers.In addition, with the low temperature terminal
The bottom surface of tank is correspondingly arranged on magnetic stirring apparatus, the control circuit connection control magnetic stirring apparatus, so as to provide water-bath
Stirring operation.
The utility model has the advantages that：
(1) the utility model can provide refrigeration plant compact-sized, that volume is light and handy for the small occasion of chilling requirement, and
It is easily operated, cost is cheap.
(2) the utility model can maintain low temperature, reduce energy consumption；And temperature can be carried out to monitor and control in real time
Whether system freezes, so as to maintain constant low temperature.
(3) the utility model can provide easy, stable low temperature water-bath stirring operation.
Brief description of the drawings
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing：
Fig. 1 is the structural representation of the utility model embodiment one；
Fig. 2 is the structural representation of the utility model embodiment two；
Fig. 3 is the structural representation of the utility model embodiment three；
Fig. 4 is the structural representation of the utility model embodiment four.
In figure：Low temperature terminal 1, thermal insulation barriers 2, semiconductor chilling plate 3, thermal insulation board 4, radiator 5, temp probe 6, control electricity
Road 7, insulation cover 8, circulate water conduit 9, magnetic stirring apparatus 10
Embodiment
Embodiment one：
Fig. 1 show a kind of one of embodiment of small-sized constant thermal apparatus at low temperature of the utility model, as shown in figure 1, including low
Warm terminal 1, thermal insulation barriers 2, semiconductor chilling plate 3, thermal insulation board 4, radiator 5, temp probe 6, control circuit 7.Wherein, low temperature is whole
End 1 is plate plate, and the present embodiment device is small-sized cryogenic thermostat cold bench.
There is the through hole being adapted with semiconductor chilling plate 3, semiconductor chilling plate 3 is embedded in the through hole on thermal insulation board 4；
Radiator 5 is in close contact by the radiating surface of heat-conducting layer and semiconductor chilling plate 3 to form radiating subassembly；Semiconductor chilling plate 3
Chill surface pass through the basal surface of heat-conducting piece and the plate of low temperature terminal 1 and be in close contact；Wherein, heat-conducting layer and heat-conducting piece are heat conduction
Silicone grease layer (not shown).
The plate of low temperature terminal 1 is nested in thermal insulation barriers 2 with lateral periphery, to reduce the loss of cold.Temp probe 6 is set
It is connected on the plate of low temperature terminal 1 and with control circuit 7.
Embodiment two：
Fig. 2 show the two of a kind of embodiment of small-sized constant thermal apparatus at low temperature of the utility model, as shown in Fig. 2 with implementation
The difference of example one is：
(1) low temperature terminal 1 is cylindrical tank (can also be square), and its top surface is provided with insulation cover 8 and recirculated water
Conduit 9, the present embodiment device are small-sized cryogenic thermostat cooling-water machine.
(2) radiating subassembly is located at the bottom surface of the tank of low temperature terminal 1.The side of the tank of low temperature terminal 1 is nested in thermal insulation barriers 2
In.
Embodiment three：
Fig. 3 show the three of a kind of embodiment of small-sized constant thermal apparatus at low temperature of the utility model, as shown in figure 3, with implementation
The difference of example two is：
(1) tank of low temperature terminal 1 is square；Radiating subassembly is two, is symmetrically positioned in the both sides of the tank of low temperature terminal 1.
(2) tank of low temperature terminal 1 is nested in thermal insulation barriers 2 with bottom surface and another both sides periphery.
Or the tank of low temperature terminal 1 is cylinder, heat-conducting piece is heat-conducting block that one side is that cambered surface, another side are plane.Its
In, the chill surface of the contacts side surfaces of the tank of low temperature terminal 1 of heat-conducting piece cambered surface and cylinder, plane and semiconductor chilling plate 3 connects
Touch.The middle part of thermal insulation barriers 2 with and the circular hole slot of 1 cylindrical tank of low temperature terminal adaptation, side with being adapted to heat-conducting piece
Through hole.1 cylindrical tank of low temperature terminal is arranged in the central circular hole slot of thermal insulation barriers 2, and heat-conducting piece is arranged on the side of thermal insulation barriers 2
Through hole in.
Example IV：
Fig. 4 show the four of a kind of embodiment of small-sized constant thermal apparatus at low temperature of the utility model, it is different from embodiment three it
Be in：
Magnetic stirring apparatus 10, the connection control magnetic agitation of control circuit 7 are correspondingly arranged on the bottom surface of the tank of low temperature terminal 1
Device 10, so as to provide low temperature water-bath stirring operation.
Claims (6)
- A kind of 1. small-sized constant thermal apparatus at low temperature, it is characterised in that：Including low temperature terminal (1), thermal insulation barriers (2), semiconductor chilling plate (3), thermal insulation board (4), radiator (5), temp probe (6), control circuit (7)；Have and semiconductor system on the thermal insulation board (4) The through hole that cold (3) are adapted, the semiconductor chilling plate (3) are embedded in the through hole；The radiator (5) passes through heat conduction The radiating surface of layer and semiconductor chilling plate (3) is in close contact and forms radiating subassembly；The chill surface of the semiconductor chilling plate (3) It is in close contact by heat-conducting piece and low temperature terminal (1)；The periphery of the low temperature terminal (1) is nested with thermal insulation barriers (2)；The temperature Probe (6) is arranged in low temperature terminal (1) and is connected with control circuit (7).
- 2. small-sized constant thermal apparatus at low temperature according to claim 1, it is characterised in that：The low temperature terminal (1) is plate Plate, the described device formed are cryogenic thermostat cold bench.
- 3. small-sized constant thermal apparatus at low temperature according to claim 1, it is characterised in that：The low temperature terminal (1) is tank, its Top surface is provided with insulation cover (8) and circulation water conduit (9), and the described device formed is cryogenic thermostat cooling-water machine.
- 4. small-sized constant thermal apparatus at low temperature according to claim 3, it is characterised in that：The radiating subassembly is located at low temperature terminal (1) bottom surface of tank；It is inner that the side of low temperature terminal (1) tank is nested in thermal insulation barriers (2).
- 5. small-sized constant thermal apparatus at low temperature according to claim 3, it is characterised in that：The radiating subassembly is two or two More than, it is distributed in the side of low temperature terminal (1) tank；The bottom surface of low temperature terminal (1) tank and remaining side be nested in every Warmware (2) is inner.
- 6. small-sized constant thermal apparatus at low temperature according to claim 5, it is characterised in that：With low temperature terminal (1) tank Bottom surface is correspondingly arranged on magnetic stirring apparatus (10), control circuit (7) the connection control magnetic stirring apparatus (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721078534.1U CN207094910U (en) | 2017-08-25 | 2017-08-25 | A kind of small-sized constant thermal apparatus at low temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721078534.1U CN207094910U (en) | 2017-08-25 | 2017-08-25 | A kind of small-sized constant thermal apparatus at low temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207094910U true CN207094910U (en) | 2018-03-13 |
Family
ID=61540194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721078534.1U Active CN207094910U (en) | 2017-08-25 | 2017-08-25 | A kind of small-sized constant thermal apparatus at low temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207094910U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836567A (en) * | 2019-10-25 | 2020-02-25 | 中国科学院生物物理研究所 | Refrigeration heat preservation collection device |
-
2017
- 2017-08-25 CN CN201721078534.1U patent/CN207094910U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836567A (en) * | 2019-10-25 | 2020-02-25 | 中国科学院生物物理研究所 | Refrigeration heat preservation collection device |
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