CN104180586A - Heat pipe heat transfer system at low-temperature end of low-temperature refrigerator - Google Patents
Heat pipe heat transfer system at low-temperature end of low-temperature refrigerator Download PDFInfo
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- CN104180586A CN104180586A CN201310194266.XA CN201310194266A CN104180586A CN 104180586 A CN104180586 A CN 104180586A CN 201310194266 A CN201310194266 A CN 201310194266A CN 104180586 A CN104180586 A CN 104180586A
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- heat
- heat pipe
- low temperature
- temperature
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
Abstract
The invention relates to a heat pipe heat transfer system at a low-temperature end of a low-temperature refrigerator. The heat pipe heat transfer system comprises a cold source and a heat pipe heat transfer module, wherein the cold source is used for supplying cold, and the heat pipe heat transfer module is used for transferring the cold into the low-temperature refrigerator; the heat pipe heat transfer module comprises a heat exchange block connected with the cold source; the heat exchange block is also connected with at least one heat pipe; the at least one heat pipe is arranged on a low-temperature refrigerator liner, and low-temperature cycle working fluid fills the at least one heat pipe. The structure size of the heat transfer system is reduced, and the weight of the heat transfer system is reduced; by adopting a modular design mode, the quality consistency in volume production is guaranteed; the large-scale production of an ultra-low temperature refrigerator adopting a novel low-temperature refrigerating machine is favorably realized; the efficient heat transfer bottleneck problem between the compact refrigerating end of the novel low-temperature refrigerating machine and the high-volume refrigerating space of the low-temperature refrigerator is solved; the cold of the novel low-temperature refrigerating machine is rapidly and efficiently transferred to the low-temperature refrigerator; compared with the traditional refrigerating system, the heat pipe heat transfer system has the advantages that the problem lubricating oil is hard to return at low temperature is eliminated, and the phenomenon that the refrigerating system is blocked due to the fact that the lubricating oil condenses is avoided.
Description
Technical field
The present invention relates to art of refrigeration units, especially a kind of adopting heat pipes for heat transfer system of low temperature refrigerator low-temperature end.
Background technology
Along with fast development biological, medical industries, the biomaterial longer-term storage such as associated biomolecule and medical science sample, reagent are increasing for the needs of ultra low temperature freezer.This type of ultra low temperature freezer General Requirements storing temperature is below-70 ℃, and refrigeration system is stable, to realize the storage reliably and with long-term of biomaterial.
Novel refrigeration machine (comprising sterlin refrigerator, vascular refrigerator, G-M refrigeration machine) is under large temperature-difference refrigerating operating mode (refrigeration temperature difference > 60 ℃ time), and refrigerating efficiency is relatively high.Especially be applied to below-70 ℃ in ultra low temperature freezer refrigeration system, new type low temperature refrigeration mechanism cold efficiency can reach the more than 2 times of traditional superposition type vapor compression refrigeration system, has significant power savings advantages.Meanwhile, because new type low temperature refrigeration machine can not adopt oil lubrication, eliminated the common stifled fault of low temperature oil of ultra low temperature freezer that adopts steam compression type refrigeration, system is more reliable and more stable.And these new type low temperature refrigeration machines adopt the natural materials such as nitrogen, helium as refrigeration working medium conventionally, environmental protection more, along with popularizing of ultra low temperature freezer application, the application prospect of these new type low temperature refrigeration machines is more extensive.
But the common compact conformation of the refrigeration device of these new type low temperature refrigeration machines, cold junction area is less, is unfavorable for the quick exchange of cold junction heat, thereby has limited the application of this type of new type low temperature refrigeration machine on large volume low temperature refrigerator.
Existing traditional method is the metal material that adopts the high thermal conductivities such as copper rod, copper strips, and the cold of refrigeration machine cold junction is conducted to refrigerator inside.For high thermal conductivity metal materials such as utilizing copper rod, copper strips, realize the method for refrigeration machine cold junction and the quick heat exchange of refrigerator inside, because the metal material heat transfer properties such as copper rod are far below adopting heat pipes for heat transfer performance, realize the quick heat exchange of larger volume refrigerator inside, the cross-sectional area of the metal heat transfer materials such as the copper adopting is larger, cause larger material consumption, also make refrigerator weight excessive simultaneously.
In addition, also have to adopt at refrigeration machine cold junction metal heat sink is installed, and by blower fan, cold junction is carried out to forced-convection heat transfer, make the cold of refrigeration machine cold junction import fast refrigerator inside into.And for utilizing blower fan, radiator combination mode, by forced convertion, strengthen the mode of refrigeration machine cold junction heat transfer efficiency, due to ultra low temperature freezer internal temperature too low (generally below-70 ℃), easily cause the lubrication failure of blower motor bearing oil.If blower motor is external, to drive case intra vane to rotate by power transmission shaft mode, structure is too complicated, easily causes that low temperature refrigerator casing leaking heat is large simultaneously, causes load increase, power consumption to increase.
Given this present invention is proposed.
Summary of the invention
Object of the present invention is for overcoming the deficiencies in the prior art, a kind of adopting heat pipes for heat transfer system of low temperature refrigerator low-temperature end is provided, greatly reduce the physical dimension of heat transfer system, alleviate heat transfer system weight, by modular design, ensured the uniformity of quality in batch production, be conducive to realize the large-scale production of the ultra low temperature freezer that adopts new type low temperature refrigeration machine, solved efficient heat transfer bottleneck problem between the refrigeration end of new type low temperature refrigeration machine compactness and the reefer space of the large volume of low temperature refrigerator, new type low temperature refrigeration machine low-temperature end cold is rapidly and efficiently delivered to low temperature refrigerator inner space, advanced the application of new type low temperature refrigeration machine on low temperature refrigerator product, simultaneously, adopting heat pipes for heat transfer system of the present invention, only adopt corresponding low-temperature circulating working medium to realize efficient heat transfer, do not comprise the lubricated wet goods auxiliary material of press that traditional vapor compressing refrigeration system adopts, eliminate lubricating oil and under worst cold case, produced the risk of condensing and causing refrigeration system to stop up, greatly improved the reliability of low temperature refrigerator refrigeration system.
In order to realize this object, the present invention adopts following technical scheme:
A kind of adopting heat pipes for heat transfer system of low temperature refrigerator low-temperature end, described adopting heat pipes for heat transfer system comprises the adopting heat pipes for heat transfer module that the low-temperature receiver of cold is provided and cold is delivered to low temperature refrigerator inside, described adopting heat pipes for heat transfer module comprises a heat exchange mass being connected with low-temperature receiver, this heat exchange mass also connects at least one heat pipe, described heat pipe is arranged on low temperature refrigerator inner bag, is provided with low-temperature circulating working medium in this heat pipe.
Described heat exchange mass connects a plurality of heat pipes, the spacing of adjacent two heat pipes is 60mm～120mm, a plurality of heat pipes are evenly distributed on low temperature refrigerator inner bag, preferred a plurality of heat pipe is symmetrical arranged, described heat pipe one end is that the condensation segment other end is evaporator section, the condensation segment of each heat pipe is connected with heat exchange mass, and the evaporator section of each heat pipe is connected with low temperature refrigerator inner bag.
The condensation segment of described heat pipe and heat exchange mass are connected by one or more modes in welding, bonding, crimping, and the evaporator section of described heat pipe and low temperature refrigerator inner bag one or more modes by welding, in bonding, crimping are connected.
Described heat pipe and low temperature refrigerator inner bag, heat exchange mass compress by stator, aluminum foil and adhesive tape laminating, and the gap between heat pipe and low temperature refrigerator inner bag, heat exchange mass is by the bonding reduction thermal contact resistance of low temperature heat-conducting glue.
Described heat pipe is provided with the expansion drum that regulates inside heat pipe pressure near condensation segment, this expansion drum is communicated with by capillary with heat pipe.
The specification of described heat pipe and the operating temperature of low temperature refrigerator and volume match, and the caliber of preferred described heat pipe is 6～22mm.
Described heat pipe is gravity assisted heat pipe, and the condensation segment of heat pipe is positioned at heat pipe top, and described heat exchange mass is arranged on the top of low temperature refrigerator inner bag, and the condensation segment of heat pipe is connected with heat exchange mass, the preferred annular gravity thermal siphon of described heat pipe heat pipe.
Described heat pipe is agravic heat pipe, and described heat exchange mass is arranged on the sidepiece of low temperature refrigerator inner bag.
Described low-temperature receiver is new type low temperature refrigeration machine, the low-temperature end of this refrigeration machine is connected with heat exchange mass, preferably, described refrigeration machine is sterlin refrigerator or vascular refrigerator or G-M refrigeration machine, described low-temperature circulating working medium and the operating temperature of low temperature refrigerator match, preferably R23, R508b, R116 working medium.
Described heat exchange mass is efficient heat transfer metallic plate, and described efficient heat transfer metallic plate is fixedly connected with the low-temperature end of refrigeration machine, and described efficient heat transfer metallic plate is also connected with the condensation segment contact of heat pipe.
Adopt after technical solutions according to the invention, bring following beneficial effect:
1, adopting heat pipes for heat transfer system of the present invention reduces the physical dimension of heat transfer system in traditional approach greatly, alleviates heat transfer system weight.
2, adopting heat pipes for heat transfer system of the present invention, by modular design, provides conforming quality assurance in batch production, is conducive to realize the large-scale production of the ultra low temperature freezer that adopts new type low temperature refrigeration machine.
3, adopting heat pipes for heat transfer system of the present invention has solved efficient heat transfer bottleneck problem between the refrigeration end of new type low temperature refrigeration machine compactness and the reefer space of the large volume of low temperature refrigerator, new type low temperature refrigeration machine low-temperature end cold is quick, efficient transmission is delivered to low temperature refrigerator inner space, has advanced the application of new type low temperature refrigeration machine on low temperature refrigerator product.
4, adopting heat pipes for heat transfer system of the present invention only adopts corresponding low-temperature circulating working medium to realize efficient heat transfer, do not comprise the lubricated wet goods auxiliary material of press that traditional vapor compressing refrigeration system adopts, eliminate lubricating oil and under worst cold case, produced the risk of condensing and causing refrigeration system to stop up, greatly improved the reliability of low temperature refrigerator refrigeration system.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1: the adopting heat pipes for heat transfer system of low temperature refrigerator low-temperature end of the present invention is at the mounting structure figure of low temperature refrigerator inner bag
Fig. 2: adopting heat pipes for heat transfer modular structure schematic diagram in the adopting heat pipes for heat transfer system of low temperature refrigerator low-temperature end of the present invention
The A-A cutaway view of Fig. 3: Fig. 2
Wherein: 1, new type low temperature refrigeration machine, 2, heat exchange mass, 3, heat pipe, 4, low temperature refrigerator inner bag, 5, condensation segment, 6, evaporator section, 7, the low-temperature end of new type low temperature refrigeration machine, 8, stator, 10, heat-conducting glue, 11, capillary, 12, expansion drum.
The specific embodiment
As shown in Figure 1, the adopting heat pipes for heat transfer system of a kind of low temperature refrigerator low-temperature end of the present invention, described adopting heat pipes for heat transfer system comprises the adopting heat pipes for heat transfer module that the low-temperature receiver of cold is provided and cold is delivered to low temperature refrigerator inside, described adopting heat pipes for heat transfer module comprises a heat exchange mass being connected with low-temperature receiver 2, this heat exchange mass 2 also connects at least one heat pipe 3, described heat pipe 3 is arranged on low temperature refrigerator inner bag, is provided with low-temperature circulating working medium in this heat pipe.
Described low-temperature circulating working medium and the operating temperature of low temperature refrigerator match, and according to the difference of low temperature refrigerator operating temperature, select different working medium.As for-50 ℃ to-90 ℃ of operation temperature area low temperature refrigerators, low hot junction heat transfer heat pipe working medium preferably adopts R116, R23, R508b working medium.
By adopting heat pipes for heat transfer module, fast the cold of low-temperature receiver is reached to low temperature refrigerator inner bag 4, thereby make low temperature refrigerator inner bag 4 form large-area low temperature face, with the quick heat exchange of air in low temperature refrigerator, fast reducing internal temperature of refrigerator also makes inner space temperature uniformity.The heat transfer of heat pipe makes full use of the Rapid Thermal hereditary property of heat-conduction principle and refrigeration filling, sees through heat pipe the heat of thermal objects is delivered to rapidly outside thermal source, and its capacity of heat transmission surpasses the capacity of heat transmission of any known metal.
Heat exchange mass 2 can connect a plurality of heat pipes 3, the spacing of adjacent two heat pipes 3 is 60mm～120mm, a plurality of heat pipes 3 are evenly distributed on low temperature refrigerator inner bag 4, preferred a plurality of heat pipe 3 is symmetrical arranged, the condensation segment 5 of described heat pipe 3 is connected with heat exchange mass 2, the evaporator section 6 of described heat pipe 3 is connected with low temperature refrigerator inner bag 4, the contact area that a plurality of heat pipes 3 can increase heat pipe 3 and low temperature refrigerator inner bag 4 is set, by the evaporation of internal working medium, condensation process reaches low temperature refrigerator inner bag 4 fast by the cold of low-temperature receiver, thereby make low temperature refrigerator inner bag 4 form large-area low temperature face, with the quick heat exchange fast reducing internal temperature of refrigerator of air in low temperature refrigerator and make inner space temperature uniformity.
The quantity of the setting of heat pipe 3 is relevant with inner bag size and the heat pipe concrete structure layout of low temperature refrigerator, control density degree between heat pipe, general spacing is in 100mm left and right, to guarantee heat exchange efficiency, if large its concrete quantity of the inner bag size of low temperature refrigerator may be more.The angle of collateral security all directions heat exchange equilibrium is set out, and is preferably symmetrical arranged.
As shown in Figure 2, the condensation segment 5 of above-mentioned each heat pipe 3 and heat exchange mass 2 are connected by one or more modes in welding, bonding, crimping, guarantee that the cold of heat exchange mass 2 can pass to the condensation segment 5 of heat pipe 3 fast, and the working medium in opposite heat tube 3 is carried out condensation; The evaporator section 6 of described heat pipe 3 and low temperature refrigerator inner bag 4 are connected by one or more modes in welding, bonding, crimping, and the working medium evaporation endothermic in heat pipe 3, absorbs heat, makes low temperature refrigerator inner bag 4 form low temperature faces.
Described heat pipe 3 compresses by stator 8 with low temperature refrigerator inner bag 4, heat exchange mass 2 as shown in Figure 2 and Figure 3, aluminum foil and adhesive tape laminating, and the gap between heat pipe 3 and low temperature refrigerator inner bag 4, heat exchange mass 2 is bonding by low temperature heat-conducting glue 10, the heat conductivility of heat-conducting glue 10 is good, use heat-conducting glue 10 can increase the contact area with low temperature refrigerator inner bag 4, thereby reaches high efficiency.
Heat pipe 3 internal working mediums are gaseous state at normal temperatures, easily cause inside heat pipe hypertonia under normal temperature operating mode, for the reliability of hot-pipe system, have a negative impact.For reducing Cryo Heat Tube internal pressure at normal temperatures, at above-mentioned heat pipe 3, near condensation segment 5, be provided with the expansion drum 12 that regulates heat pipe 3 internal pressures, this expansion drum 12 is communicated with by capillary 11 with heat pipe 3.When preferably hot-pipe system pressure surpasses 2.0Mpa under normal temperature operating mode, by adopting the mode of the external expansion drum of capillary to reduce hot-pipe system system pressure at normal temperatures at heat pipe condenser section, improve hot-pipe system reliability.
The described specification of heat pipe 3 and the operating temperature of low temperature refrigerator and volume match, and the caliber of described heat pipe 3 is 6～22mm.
Described heat pipe 3 can be gravity assisted heat pipe, and the condensation segment 5 of heat pipe 3 is positioned at heat pipe 3 tops, and described heat exchange mass 2 is arranged on the top of low temperature refrigerator inner bag 4, and the condensation segment 5 of heat pipe 3 is connected with heat exchange mass 2, the preferred annular gravity thermal siphon heat pipe of described heat pipe 3.Condensation segment 5 is positioned at the top of evaporator section 6, and the condensation segment of heat pipe 35 is arranged on to upper position, is convenient to make low-temperature circulating working medium in heat pipe 3 to form fluid column, utilizes gravity factor to add working medium circulation in quick heating pipe, strengthens adopting heat pipes for heat transfer efficiency.Annular gravity thermal siphon heat pipe structure is simply with low cost, and just the installation site of low-temperature receiver is restricted, and can only be arranged on the top of low temperature refrigerator.
If make the installation site of low-temperature receiver unrestricted, also can be arranged on the side of low temperature refrigerator.But heat pipe 3 need to be selected agravic heat pipe, and inside arranges the structures such as liquid-sucking core, described heat exchange mass is arranged on the sidepiece of low temperature refrigerator inner bag.
Above-mentioned low-temperature receiver is new type low temperature refrigeration machine 1, the low-temperature end of this refrigeration machine is connected with heat exchange mass 2, preferably, described refrigeration machine is sterlin refrigerator or vascular refrigerator or G-M refrigeration machine, described heat exchange mass 2 is efficient heat transfer metallic plate, described efficient heat transfer metallic plate is fixedly connected with the low-temperature end of refrigeration machine, and described efficient heat transfer metallic plate is also connected with condensation segment 5 contacts of heat pipe 3.
During use, the low-temperature end of new type low temperature refrigeration machine 1 is connected with efficient heat transfer metallic plate, cold is reached to efficient heat transfer metallic plate, on efficient heat transfer metallic plate, be connected with a plurality of heat pipes 3 and the heat exchange of efficient heat transfer metallic plate, working medium in heat pipe 3 is in this condensation, and the evaporator section 6 of heat pipe 3 is connected with low temperature refrigerator inner bag, and working medium evaporation endothermic makes low temperature refrigerator inner bag 4 form low temperature face, with low temperature refrigerator inner air generation heat exchange, thereby reduce internal temperature of refrigerator.Steam is again to condensation segment 5 condensations, and so circulation is more than, and heat reaches other one end by heat pipe one end.This circulation is carried out fast, and cold just can be transmitted to refrigerator inside continuously.
The adopting heat pipes for heat transfer system of the low-temperature end of low temperature refrigerator described in the present invention, greatly reduce the physical dimension of heat transfer system, alleviate heat transfer system weight, by modular design, conforming quality assurance in batch production is provided, be conducive to realize the large-scale production that adopts this type of Novel super-low temperature refrigerator, solved efficient heat transfer bottleneck problem between the refrigeration end of new type low temperature refrigeration machine compactness and the reefer space of the large volume of low temperature refrigerator, new type low temperature refrigeration machine low-temperature end cold is rapidly and efficiently delivered to low temperature refrigerator inner space, advanced the application of new type low temperature refrigeration machine on low temperature refrigerator product, simultaneously, adopting heat pipes for heat transfer system of the present invention, only adopt corresponding low-temperature circulating working medium to realize efficient heat transfer, do not comprise the lubricated wet goods auxiliary material of press that traditional vapor compressing refrigeration system adopts, eliminate lubricating oil and under worst cold case, produced the risk of condensing and causing refrigeration system to stop up, greatly improved the reliability of low temperature refrigerator refrigeration system.
Embodiment mono-
As shown in Figure 1, heat exchange mass described in the present embodiment 2 connects 3, two heat pipes 3 of two heat pipes and is evenly distributed on low temperature refrigerator inner bag 4, and the condensation segment 5 of each heat pipe 3 is connected with heat exchange mass 2, and the evaporator section 6 of each heat pipe 3 is connected with low temperature refrigerator inner bag 4.
Embodiment bis-
Heat exchange mass described in the present embodiment 2 connects 4 heat pipes 3,4 heat pipes 3 are evenly distributed on low temperature refrigerator inner bag 4, be, on each side of low temperature refrigerator inner bag, a heat pipe 3 is all set, the condensation segment 5 of each heat pipe 3 is connected with heat exchange mass 2, and the evaporator section 6 of each heat pipe 3 is connected with low temperature refrigerator inner bag 4.The 90 degree turnings that can reduce like this heat pipe 3, processing technology is simple.
Embodiment tri-
In the present embodiment, the inner bag size of low temperature refrigerator is larger, and its heat pipe 3 quantity can be more.But density degree between control heat pipe, general spacing, in 60mm or 100mm or 120mm left and right, is preferably symmetrical arranged, and to guarantee heat exchange efficiency, guarantees that all directions heat exchange is balanced.
Embodiment tetra-
In the present embodiment, heat pipe 3 is annular gravity thermal siphon heat pipe, the condensation segment 5 of heat pipe 3 is positioned at heat pipe 3 tops, evaporator section 6 is positioned at heat pipe 3 bottoms, condensation segment 5 is positioned at the top of evaporator section 6, described heat exchange mass 2 is arranged on the top of low temperature refrigerator inner bag 4, the condensation segment 5 of heat pipe 3 is connected with heat exchange mass 2, the condensation segment of heat pipe 35 is arranged on to upper position, be connected with heat exchange mass 2, be convenient to make low-temperature circulating working medium in heat pipe 3 to form fluid column, utilize gravity factor to add working medium circulation in quick heating pipe, strengthen adopting heat pipes for heat transfer efficiency.
Sweat cooling, makes heat pipe two ends temperature difference very large, and heat is conducted fast.When the condensation segment 5 of heat pipe 3 is caught a cold, working medium condensation in heat pipe 3, rely on Action of Gravity Field to flow downward to evaporator section 6, working medium evaporation endothermic, reduces low temperature refrigerator inner bag temperature, make low temperature refrigerator inner bag 4 form low temperature face, with low temperature refrigerator inner air generation heat exchange, thereby reduce internal temperature of refrigerator, steam rising is condensation again, so circulation is more than, and heat reaches other one end by heat pipe one end.This circulation is carried out fast, and cold just can be transmitted to refrigerator inside continuously.
In the present embodiment, annular gravity thermal siphon heat pipe structure is simply with low cost, and just the installation site of low-temperature receiver is restricted, and can only be arranged on the top of low temperature refrigerator.
Embodiment five
The present embodiment adopts non-gravity heat pipe, and inside arranges the structures such as liquid-sucking core, forms internal working medium circulation, realizes the quick transmission of cold, and in the present embodiment, low-temperature receiver position can flexible arrangement, not limited by height.
The foregoing is only the preferred embodiment of the present invention, it should be pointed out that for the ordinary skill in the art, without departing from the principles of the present invention, can also make various deformation and improvement, this also should be considered as protection scope of the present invention.
Claims (10)
1. the adopting heat pipes for heat transfer system of a low temperature refrigerator low-temperature end, it is characterized in that: described adopting heat pipes for heat transfer system comprises the adopting heat pipes for heat transfer module that the low-temperature receiver of cold is provided and cold is delivered to low temperature refrigerator inside, described adopting heat pipes for heat transfer module comprises a heat exchange mass being connected with low-temperature receiver (2), this heat exchange mass (2) also connects at least one heat pipe (3), it is upper that described heat pipe (3) is arranged on low temperature refrigerator inner bag (4), and this heat pipe is provided with low-temperature circulating working medium in (3).
2. the adopting heat pipes for heat transfer system of a kind of low temperature refrigerator low-temperature end according to claim 1, it is characterized in that: described heat exchange mass (2) connects a plurality of heat pipes (3), the spacing of adjacent two heat pipes (3) is 60mm～120mm, a plurality of heat pipes (3) are evenly distributed on low temperature refrigerator inner bag (4), preferred a plurality of heat pipe (3) is symmetrical arranged, described heat pipe (3) one end is that condensation segment (5) other end is evaporator section (6), the condensation segment (5) of each heat pipe (3) is connected with heat exchange mass (2), the evaporator section (6) of each heat pipe (3) is connected with low temperature refrigerator inner bag (4).
3. the adopting heat pipes for heat transfer system of a kind of low temperature refrigerator low-temperature end according to claim 1 and 2, it is characterized in that: the condensation segment (5) of described heat pipe (3) and heat exchange mass (2) are connected by one or more modes in welding, bonding, crimping, the evaporator section (6) of described heat pipe (3) and low temperature refrigerator inner bag (4) one or more modes by welding, in bonding, crimping are connected.
4. the adopting heat pipes for heat transfer system of a kind of low temperature refrigerator low-temperature end according to claim 3, it is characterized in that: described heat pipe (3) compresses by stator (8) with low temperature refrigerator inner bag (4), heat exchange mass (2), aluminum foil and adhesive tape laminating, and the gap between heat pipe (3) and low temperature refrigerator inner bag (4), heat exchange mass (2) is bonding by reduction thermal contact resistance low temperature heat-conducting glue (10).
5. the adopting heat pipes for heat transfer system of a kind of low temperature refrigerator low-temperature end according to claim 4, it is characterized in that: described heat pipe (3) is provided with the expansion drum (12) that regulates heat pipe (3) internal pressure near condensation segment (5), this expansion drum (12) is communicated with by capillary (11) with heat pipe (3).
6. the adopting heat pipes for heat transfer system of a kind of low temperature refrigerator low-temperature end according to claim 5, is characterized in that: the specification of described heat pipe (3) and operating temperature and the volume of low temperature refrigerator match, and the caliber of preferred described heat pipe (3) is 6～22mm.
7. the adopting heat pipes for heat transfer system of a kind of low temperature refrigerator low-temperature end according to claim 3, it is characterized in that: described heat pipe (3) is gravity assisted heat pipe, the condensation segment (5) of heat pipe (3) is positioned at heat pipe (3) top, described heat exchange mass (2) is arranged on the top of low temperature refrigerator inner bag (4), the condensation segment (5) of heat pipe (3) is connected with heat exchange mass (2), and described heat pipe (3) is annular gravity thermal siphon heat pipe preferably.
8. the adopting heat pipes for heat transfer system of a kind of low temperature refrigerator low-temperature end according to claim 3, is characterized in that: described heat pipe (3) is agravic heat pipe, and described heat exchange mass (2) is arranged on the sidepiece of low temperature refrigerator inner bag (4).
9. the adopting heat pipes for heat transfer system of a kind of low temperature refrigerator low-temperature end according to claim 1, it is characterized in that: described low-temperature receiver is new type low temperature refrigeration machine (1), the low-temperature end of this refrigeration machine is connected with heat exchange mass (2), preferably, described refrigeration machine is sterlin refrigerator or vascular refrigerator or G-M refrigeration machine, and described low-temperature circulating working medium and the operating temperature of low temperature refrigerator match.
10. the adopting heat pipes for heat transfer system of a kind of low temperature refrigerator low-temperature end according to claim 9, it is characterized in that: described heat exchange mass (2) is efficient heat transfer metallic plate, described efficient heat transfer metallic plate is fixedly connected with the low-temperature end of refrigeration machine, and described efficient heat transfer metallic plate is also connected with condensation segment (5) contact of heat pipe (3).
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| CN201310194266.XA CN104180586B (en) | 2013-05-22 | 2013-05-22 | A kind of adopting heat pipes for heat transfer system of low temperature refrigerator low-temperature end |
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| CN201310194266.XA CN104180586B (en) | 2013-05-22 | 2013-05-22 | A kind of adopting heat pipes for heat transfer system of low temperature refrigerator low-temperature end |
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| CN105115219A (en) * | 2015-08-24 | 2015-12-02 | 上海理工大学 | Cryogenic refrigerator for combined pulse heat pipes of Stirling cryocooler |
| CN106500386A (en) * | 2016-12-28 | 2017-03-15 | 宁波华斯特林电机制造有限公司 | Chiller based on CETRINE motor |
| CN106949697A (en) * | 2017-04-25 | 2017-07-14 | 上海理工大学 | Heat pipe heat transfer device |
| CN107101440A (en) * | 2017-05-18 | 2017-08-29 | 北京工业大学 | The cold storage refrigerator that conventional energy resource unified with nature low-temperature receiver is utilized |
| CN107702413A (en) * | 2017-10-30 | 2018-02-16 | 合肥华凌股份有限公司 | A kind of heat-exchanger rig and the refrigeration plant provided with the heat-exchanger rig |
| CN108204704A (en) * | 2017-12-29 | 2018-06-26 | 安徽中科都菱商用电器股份有限公司 | A kind of adopting heat pipes for heat transfer system of low temperature refrigerator low-temperature end |
| CN108458529A (en) * | 2018-03-30 | 2018-08-28 | 杨厚成 | A kind of refrigeration module and refrigerating box with acoustic energy refrigeration machine |
| CN108645088A (en) * | 2018-06-14 | 2018-10-12 | 天津商业大学 | A kind of energy-saving refrigerated storage fresh keeping box of self-loopa |
| WO2019172001A1 (en) * | 2018-03-06 | 2019-09-12 | Ｐｈｃホールディングス株式会社 | Refrigeration device |
| CN112880276A (en) * | 2021-02-01 | 2021-06-01 | 合肥工业大学 | Constant temperature control refrigerator |
| CN116907161A (en) * | 2023-09-12 | 2023-10-20 | 苏州华冷科技有限公司 | Deep low temperature Leng Lianxiang of many refrigerators |
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| CN108458529A (en) * | 2018-03-30 | 2018-08-28 | 杨厚成 | A kind of refrigeration module and refrigerating box with acoustic energy refrigeration machine |
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| CN116907161A (en) * | 2023-09-12 | 2023-10-20 | 苏州华冷科技有限公司 | Deep low temperature Leng Lianxiang of many refrigerators |
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