CN1632422A - Thermoelectric-Stirling refrigerating machine - Google Patents
Thermoelectric-Stirling refrigerating machine Download PDFInfo
- Publication number
- CN1632422A CN1632422A CN 200310122109 CN200310122109A CN1632422A CN 1632422 A CN1632422 A CN 1632422A CN 200310122109 CN200310122109 CN 200310122109 CN 200310122109 A CN200310122109 A CN 200310122109A CN 1632422 A CN1632422 A CN 1632422A
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- heat
- cold
- conducting plate
- thermoelectric
- cooling module
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/14—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
- F25B9/145—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle pulse-tube cycle
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
A thermoelectric-Stirling refrigerating machine comprises a compressor for stirling refrigerating machine, which is characterized in that a thermoelectric cold-junction is connected to the compressor, said thermoelectric cold-junction is formed with two refrigeration passages, one connects the lower surface of the cold plate along the heat conducting bar to the cold-junction body via the heat conducting plate; the other is connecting a thermoelectric refrigerator between the lower surface of the cold plate and the upper surface of the heat conducting plate, then connecting to the cold-junction body along the heat conducting bar via the lower surface of the cold plate; the cold-junction body connects to external refrigeration system. The invention has advantages that: 1 the thermoelectric-Stirling refrigerating machine is a novel integrated refrigerating machine, which has high refrigerating effective; 2 the invention not only saves energy source, but also has little volume and light weight; 3 the invention has spread application, not only for base station of mobile communication, but also for medical system and super size superconduct motor, electrical system such as MRI.
Description
(1) technical field:
The present invention relates to a kind of thermoelectricity-sterlin refrigerator that is suitable for the refrigeration machine that cryogenic refrigerating system is used, particularly a kind of high refrigerating efficiency.
(2) background technology:
Refrigeration machine is being played the part of more and more important role in Modern high-tech industry.As manufacture of semiconductor, biomedicine, genetic engineering, high-speed computer, infra-red detection, space satellite, Superconducting Maglev Train, superconduction communication and superconducting motor etc.According to its different operation principle, refrigeration machine has sterlin refrigerator, G-M refrigeration machine, reaches pulsed refrigeration machine etc.Advantages the such as wherein refrigerating efficiency with sterlin refrigerator is the highest, and is little with volume again, in light weight.
Sterlin refrigerator is to utilize Kano (Carnot) circulation (isothermal expansion, disconnected thermal expansion, isotherm compression, disconnected hot compression) principle, and heat energy is absorbed from cold head, is discharged into the refrigeration system outside again, reaches the requirement of device refrigeration on the cold head.Sterlin refrigerator can be made the type of refrigeration power of all sizes according to need, the refrigeration work consumption under liquid-nitrogen temperature (77K ,-196 ℃) from 0.1 watt (W) to several kilowatts.
Thermoelectric cooling module is reached up and down by P type and N-type semiconductor element to be made up of the ceramic substrate of copper electrode.Refrigerator is by means of the directed flow of carrier in the DC current, and the heat with refrigerator moves to another side from one side respectively, realized simultaneously the absorb heat refrigeration effect of one side heat release of refrigerator.If change dc source polarity, suction, the exothermic effect of its generation are just the opposite.
(3) summary of the invention:
The object of the present invention is to provide a kind of thermoelectricity-sterlin refrigerator, be about to thermoelectric cooling module and sterlin refrigerator and be integrated into integral body, the equipment after the integration is optimized the effect of original monomer sterlin refrigerator, has improved refrigerating efficiency significantly.
Technical scheme of the present invention: a kind of thermoelectricity-sterlin refrigerator, comprise the sterlin refrigerator compressor, it is characterized in that being connected with a thermoelectric (al) type cold head with compressor, said thermoelectric (al) type cold head is to be made of two refrigeration paths, and a refrigeration path is to be connected to cold head body according to heat conducting bar by heat-conducting plate by the cold drawing lower surface; Another refrigeration path is by being connected to thermoelectric cooling module between cold drawing lower surface and heat-conducting plate upper surface, connecting the cold head body by the heat-conducting plate lower surface according to heat conducting bar again; The cold head body is communicated in the external refrigeration system.
The thermoelectric cooling module that is connected between above-mentioned said cold drawing lower surface and heat-conducting plate upper surface is by upper end ceramic substrate, lower end ceramic substrate, copper electrode, semiconductor N type element and semiconductor P type element and dc source constitute up and down, and the surface of the upper end ceramic substrate of thermoelectric cooling module is engaged in surface under the cold drawing according to the groove heat-conducting glue; Thermoelectric cooling module lower end ceramic base plate surface is engaged in surface on the heat-conducting plate according to the groove heat-conducting glue; Copper electrode is arranged at end ceramic substrate bottom and ceramic substrate top, lower end on the thermoelectric cooling module, semiconductor N type element and P type element are arranged between copper electrode up and down, copper electrode is communicated with input, the output of a pair of N type element and P type element up and down, and the input of copper electrode, output are connected in dc source, DC current enters from the electrode input of semiconductor N shape member end, comes out from the electrode output of semiconductor P type member end.
The thermoelectric cooling module that is connected between above-mentioned said cold drawing lower surface and heat-conducting plate upper surface is provided with one at least, and each thermoelectric cooling module can have a pair of above semiconductor N type element and P type element.
The cold drawing lower surface is at least 2 by the heat conducting bar that heat-conducting plate is connected to the cold head body in the above-mentioned said refrigeration path; By after being connected to thermoelectric cooling module between cold drawing and the heat-conducting plate, the heat conducting bar that the heat-conducting plate lower surface is connected with the cold head body at least also should be 2 in corresponding another refrigeration path.
Above-mentioned said TEC can be fixed between cold drawing and the hot plate with screw.
Engage according to heat-conducting glue between above-mentioned said TEC and cold drawing and heat-conducting plate.
The operation principle of the present invention and the course of work are: get rid of heat energy by two kinds of heat extractions mechanism when thermoelectricity-sterlin refrigerator is worked, the one, heat energy is crossed heat-conducting plate by the compressor connection cold drawing of sterlin refrigerator according to heat conducting bar and is connected to the eliminating of cold head body, and the 2nd, another part heat energy on the cold drawing is got rid of via thermoelectric cooling module; TEC passes to DC current when starting, and electric current (I) enters from the electrode of semiconductor N shape member end, comes out from the electrode of semiconductor P type member end.The heat energy that thermoelectric cooling module is got rid of is via thermoelectric cooling module upper and lower end ceramic substrate, copper electrode, semiconductor N type and P type element and the dc source refrigeration of joining are got rid of up and down from the cold drawing guiding, the thermoelectric cooling module lower end also is connected to heat-conducting plate and passes to the cold head body through heat conducting bar again, two the tunnel converge and pass to the refrigeration system outside jointly, have improved the refrigeration effect thus.Thermoelectricity-sterlin refrigerator has three kinds of different control modes: first kind is to start sterlin refrigerator earlier, restarts TEC during to specified temp; Second kind is to start TEC earlier, restarts sterlin refrigerator; The third is that sterlin refrigerator and TEC start simultaneously.According to different needs, can set different Starting mode.
Superiority of the present invention is: 1, thermoelectricity-sterlin refrigerator is a kind of novel integrated refrigeration machine, it is connected thermoelectric cooling module the below of sterlin refrigerator cold head, heat with the cold head top is rejected to outside the refrigeration system jointly, nationality has high refrigerating efficiency to reduce the temperature of cold head; But 2, this refrigeration machine energy savings not only, and have characteristics such as volume is little, in light weight; 3, have wide range of applications, not only can be applicable to the super conductive filter system of mobile communication base station, also can be used in nuclear magnetic resonance developing-out instrument medical systems such as (MRI) and large-scale superconducting motor, the power system, have powerful DEVELOPMENT PROSPECT.
(4) description of drawings:
Accompanying drawing 1 is the complete machine structure schematic diagram of the related a kind of thermoelectricity-sterlin refrigerator of the present invention.
Accompanying drawing 2 is the thermoelectric (al) type cold head structural representation in the related a kind of thermoelectricity-sterlin refrigerator of the present invention.
Wherein:
10 is thermoelectricity-sterlin refrigerator, and 11 is compressor,
20 is the thermoelectric (al) type cold head, and 21 is cold drawing, and 22 is the cold drawing lower surface, and 23 is heat conducting bar, and 24 is groove under the cold drawing,
30 is thermoelectric cooling module, and 31 is to hold on the thermoelectric cooling module, and 32 is to hold under the thermoelectric cooling module, and 33 is upper end face, and 34 is rear surface, and 35 is copper electrode, and 36 is semiconductor N type element, and 37 is P type element,
40 is heat-conducting plate, and 41 is surface on the heat-conducting plate, surface under 42 heat-conducting plates, and 43 is groove on the heat-conducting plate,
50 is the cold head body.
(5) specific embodiment:
Embodiment: a kind of thermoelectricity-sterlin refrigerator 10 (seeing Fig. 1,2), comprise sterlin refrigerator compressor 11, it is characterized in that being connected with a thermoelectric (al) type cold head 20 with compressor 11, said thermoelectric (al) type cold head 20 is to be made of two refrigeration paths, and a refrigeration path is to be connected to cold head body 50 according to heat conducting bar 23 by heat-conducting plate 40 by cold drawing 21 lower surfaces 22; Another refrigeration path is by being connected to thermoelectric cooling module 30 between cold drawing 21 lower surfaces and heat-conducting plate 40 upper surfaces, connecting cold head body 50 by heat-conducting plate 40 lower surfaces according to heat conducting bar 23 again; Cold head body 50 is communicated in the refrigeration system outside.
The thermoelectric cooling module 30 that is connected between above-mentioned said cold drawing 21 lower surfaces and heat-conducting plate 40 upper surfaces is by upper end ceramic substrate 31, lower end ceramic substrate 32, copper electrode 35, semiconductor N type element 36 and semiconductor P type element 37 and dc source constitute up and down, and the surface 33 of the upper end ceramic substrate 31 of thermoelectric cooling module 30 is engaged in surface 22 under the cold drawing 21 according to groove 24 heat-conducting glues; Ceramic substrate 32 surfaces 34 in thermoelectric cooling module lower end are engaged in surface 41 on the heat-conducting plate 40 according to groove 43 heat-conducting glues; Copper electrode 35 is arranged at end ceramic substrate 31 bottoms and lower end ceramic substrate 32 tops on the thermoelectric cooling module, 35 of copper electrodes have semiconductor N type element 36 and P type element 37 up and down, copper electrode 35 is communicated with input, the output of a pair of N type element 36 and P type element 37 up and down, and the input of copper electrode 35, output are connected in dc source, electric current (I) enters from the electrode input of semiconductor N shape member end, from the electrode output of the semiconductor P type member end (see figure 2) of coming out.
Above-mentionedly saidly can be provided with two by the thermoelectric cooling module 30 that is connected between cold drawing 21 lower surfaces and heat-conducting plate 40 upper surfaces, each thermoelectric cooling module 30 can have three pairs of semiconductor N type elements 36 and P type element 37 (see figure 2)s.
Cold drawing 21 lower surfaces 22 can be three by the heat conducting bar 23 that heat-conducting plate 40 is connected to cold head body 50 in the above-mentioned said refrigeration path; After being connected to thermoelectric cooling module 30 by cold drawing 21 lower surfaces 22 and 41 of heat-conducting plate 40 upper surfaces in corresponding another refrigeration path, the heat conducting bar 23 that heat-conducting plate 40 lower surfaces 42 are connected with cold head body 50 also should be three (see figure 2)s.
Claims (6)
1, a kind of thermoelectricity-sterlin refrigerator, comprise the sterlin refrigerator compressor, it is characterized in that being connected with a thermoelectric (al) type cold head with compressor, said thermoelectric (al) type cold head is to be made of two refrigeration paths, and a refrigeration path is to be connected to cold head body according to heat conducting bar by heat-conducting plate by the cold drawing lower surface; Another refrigeration path is by being connected to thermoelectric cooling module between cold drawing lower surface and heat-conducting plate upper surface, connecting the cold head body by the heat-conducting plate lower surface according to heat conducting bar again; The cold head body is communicated in the refrigeration system outside.
2, according to the said a kind of thermoelectricity-sterlin refrigerator of claim 1, it is characterized in that the thermoelectric cooling module that is connected between said cold drawing lower surface and heat-conducting plate upper surface is by upper end ceramic substrate, lower end ceramic substrate, copper electrode, semiconductor N type element and semiconductor P type element and dc source constitute up and down, the surface of the upper end ceramic substrate of thermoelectric cooling module is engaged in surface under the cold drawing according to groove under the cold drawing and heat-conducting glue; Thermoelectric cooling module lower end ceramic base plate surface is engaged in surface on the heat-conducting plate according to groove on the heat-conducting plate and heat-conducting glue; Copper electrode is arranged at end ceramic substrate bottom and ceramic substrate top, lower end on the thermoelectric cooling module, semiconductor N type element and P type element are arranged between copper electrode up and down, copper electrode is communicated with input, the output of a pair of N type element and P type element up and down, and the input of copper electrode, output are connected in dc source, DC current enters from the electrode input of semiconductor N shape member end, comes out from the electrode output of semiconductor P type member end.
3, according to the said a kind of thermoelectricity-sterlin refrigerator of claim 1, it is characterized in that the thermoelectric cooling module that is connected between said cold drawing lower surface and heat-conducting plate upper surface is provided with one at least, each thermoelectric cooling module can have a pair of above semiconductor N type element and P type element.
4,, it is characterized in that the cold drawing lower surface is at least 2 by the heat conducting bar that heat-conducting plate is connected to the cold head body in the said refrigeration path according to the said a kind of thermoelectricity-sterlin refrigerator of claim 1; By after being connected to thermoelectric cooling module between cold drawing and the heat-conducting plate, the heat conducting bar that the heat-conducting plate lower surface is connected with the cold head body at least also should be 2 in corresponding another refrigeration path.
5,, it is characterized in that said TEC can be fixed between cold drawing and the hot plate with screw according to the said a kind of thermoelectricity-sterlin refrigerator of claim 2.
6,, it is characterized in that engaging according to heat-conducting glue between said TEC and cold drawing and heat-conducting plate according to the said a kind of thermoelectricity-sterlin refrigerator of claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310122109 CN1632422A (en) | 2003-12-25 | 2003-12-25 | Thermoelectric-Stirling refrigerating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310122109 CN1632422A (en) | 2003-12-25 | 2003-12-25 | Thermoelectric-Stirling refrigerating machine |
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| Publication Number | Publication Date |
|---|---|
| CN1632422A true CN1632422A (en) | 2005-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310122109 Pending CN1632422A (en) | 2003-12-25 | 2003-12-25 | Thermoelectric-Stirling refrigerating machine |
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| CN (1) | CN1632422A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115061550A (en) * | 2022-06-20 | 2022-09-16 | 之江实验室 | Distributed thermal management device based on thermoelectric cooler and control method |
-
2003
- 2003-12-25 CN CN 200310122109 patent/CN1632422A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115061550A (en) * | 2022-06-20 | 2022-09-16 | 之江实验室 | Distributed thermal management device based on thermoelectric cooler and control method |
| CN115061550B (en) * | 2022-06-20 | 2024-04-26 | 之江实验室 | Distributed thermal management device based on thermoelectric refrigerator and control method |
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| WD01 | Invention patent application deemed withdrawn after publication |