CN105004120A - Phase change inhabitation heat transfer thermoelectric refrigerator and manufacturing method thereof - Google Patents

Phase change inhabitation heat transfer thermoelectric refrigerator and manufacturing method thereof Download PDF

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Publication number
CN105004120A
CN105004120A CN201510475748.1A CN201510475748A CN105004120A CN 105004120 A CN105004120 A CN 105004120A CN 201510475748 A CN201510475748 A CN 201510475748A CN 105004120 A CN105004120 A CN 105004120A
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China
Prior art keywords
heat transfer
phase transformation
suppresses
refrigerator
temperature difference
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CN201510475748.1A
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CN105004120B (en
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李居强
张建中
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Zhejiang Jiaxi Technology Co.,Ltd.
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ZHEJIANG JIAXI PHOTOELECTRIC EQUIPMENT MANUFACTURING Co Ltd
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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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/28—Quick cooling

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention provides a phase change inhabitation heat transfer thermoelectric refrigerator and a manufacturing method thereof. The refrigerator comprises a shell, an inner frame and at least one thermoelectric refrigeration assembly, wherein the shell is made by an integrated phase change inhabitation heat transfer plate; the inner frame and one part of the inner frame are made by an integrated phase change inhabitation heat transfer plate and located inside the shell, and storage space is formed in the shell; the thermoelectric refrigeration assembly is located between the shell and the inner frame; the thermoelectric refrigeration assembly comprises a hot surface and a cold surface, the hot surface is contacted with the shell, and the cold surface is contacted with the inner frame. The integrated phase change inhabitation heat transfer plate is adopted to be directly designed into the shell of the thermoelectric refrigerator, the heat transfer speed is fast, the cooling area is large, and the hot surface temperature of the thermoelectric refrigeration assembly can be effectively reduced. As the integrated phase change inhabitation heat transfer plate is designed into the shell of the thermoelectric refrigerator, no fan is used for forced air cooling, electric power is saved, and reliability of the overall machine is improved.

Description

Phase transformation suppresses the electroluminescent cold refrigerator of heat transfer temperature difference and manufacture method thereof
Technical field
The present invention relates to refrigeration and field of air conditioning, particularly relate to a kind of phase transformation and suppress the electroluminescent cold refrigerator of heat transfer temperature difference and manufacture method thereof.
Background technology
Peltier effect is that French scientist Peltier (J.C.Peltier) found in 1834.As Fig. 1, a P type thermoelement 100 and a N-type thermoelement 101 couple together at two sides electrode 102, just constitute a traditional thermoelectric monomer.When under the driving at power supply 103, when described thermoelectric monomer passes to direct current, one side absorbs heat cooling, and another side shed heat heats up, and due to Peltier effect, sets up the temperature difference at monomer two ends.A Here it is thermoelectric refrigerator the simplest.As changed the sense of current, huyashi-chuuka (cold chinese-style noodles) and hot side just reverse.So thermoelectric cooling module is also a kind of heat pump.
Thermoelectric cooling module that can be practical, often by several to or tens right, even more multipair thermoelectric monomer is formed.Traditional thermoelectric cooling module, thermoelectric monomer (comprising P type thermoelement 100 and N-type thermoelement 101) wherein, circuit is series connection, Er Re road is in parallel.As a traditional thermoelectric cooling module, the outside of the electrode 102 of its heat, cold two sides flow deflector is respectively integrated with a slice ceramic wafer 104, carry out electric isolution with the external world, described thermo-electric generation assembly is connected with extraneous load by positive electrode 1021 and negative electrode 1022, sees Fig. 2.
Traditional thermoelectric (al) cooling refrigerating box, uses one or more pieces thermoelectric cooling modules 108 as heat pump, generally adopts aluminium matter ribbed fin as hot side fin 111 at its hot side, auxiliary in the second blower fan 112 as the radiator forcing refrigeration; The huyashi-chuuka (cold chinese-style noodles) of thermoelectric cooling module then uses aluminium matter inner bag, one flat plate or one piece of aluminium matter ribbed fin (huyashi-chuuka (cold chinese-style noodles) fin 107) as radiator, also can be undertaken forcing refrigeration radiating by the mode that ribbed fin adds the first blower fan 106.This thermoelectric (al) cooling refrigerating box, the temperature inside the box is generally low than environment temperature about 20 DEG C, and typical structure is shown in Fig. 3, the heat-insulating material 110 that described refrigerator also comprises refrigerator doors 105, housing 109 and is filled between housing 109 and inner bag.
The above thermoelectric (al) cooling refrigerating box, its advantage is long working life, noiselessness, can not discharge pernicious gas.This thermoelectric refrigerating box is applied widely in hospital, hotel, delivery vehicle.But traditional structure thermoelectric (al) cooling refrigerating box still exists some shortcomings, its shortcoming is that cooling rate is comparatively slow, and the temperature inside the box is uneven.
The present invention is directed to the technical problem that traditional thermoelectric (al) cooling refrigerating box exists, propose a kind of phase transformation and suppress heat transfer temperature difference refrigerator and manufacture method thereof.
Summary of the invention
The shortcoming of prior art in view of the above, a kind of phase transformation is the object of the present invention is to provide to suppress the electroluminescent cold refrigerator of heat transfer temperature difference and manufacture method thereof, comparatively slow for solving the cooling rate that in prior art, traditional structure thermoelectric (al) cooling refrigerating box exists, the problem that the temperature inside the box is uneven.
For achieving the above object and other relevant objects, the invention provides a kind of phase transformation and suppress the electroluminescent cold refrigerator of heat transfer temperature difference, described phase transformation suppresses the electroluminescent cold refrigerator of heat transfer temperature difference to comprise: shell, inner frame and at least one thermoelectric cooling module;
Described shell suppresses heat transfer plate to be made by integrated phase transformation;
Described inner frame is positioned at described shell, and forms memory space in described shell;
Described thermoelectric cooling module is between described shell and described inner frame; Described thermoelectric cooling module comprises hot side and huyashi-chuuka (cold chinese-style noodles), and described hot side contacts with described shell, and described huyashi-chuuka (cold chinese-style noodles) contacts with described inner frame.
Suppress a kind of preferred version of the electroluminescent cold refrigerator of heat transfer temperature difference as phase transformation of the present invention, described inner frame comprises inner bag and bracket, and described memory space is divided into refrigerating chamber and refrigerating chamber two parts by described bracket;
Described inner bag is plastic inner container, and described bracket suppresses heat transfer plate to be made by integrated phase transformation;
Described thermoelectric cooling module is between described shell and described bracket; Described thermoelectric cooling module comprises hot side and huyashi-chuuka (cold chinese-style noodles), and described hot side contacts with described shell, and described huyashi-chuuka (cold chinese-style noodles) contacts with described bracket.
A kind of preferred version of the electroluminescent cold refrigerator of heat transfer temperature difference is suppressed as phase transformation of the present invention, described shell surrounds described phase transformation and suppresses the rear wall of heat transfer temperature difference electroluminescent cold refrigerator, sidewall and roof, and described thermoelectric cooling module is between described bracket and described rear wall.
A kind of preferred version of the electroluminescent cold refrigerator of heat transfer temperature difference is suppressed as phase transformation of the present invention, described shell surrounds described phase transformation and suppresses the rear wall of heat transfer temperature difference electroluminescent cold refrigerator, sidewall and roof, and described thermoelectric cooling module is between described bracket and described sidewall.
Suppress a kind of preferred version of the electroluminescent cold refrigerator of heat transfer temperature difference as phase transformation of the present invention, described inner frame comprises inner bag, and described inner bag suppresses heat transfer plate to be made by integrated phase transformation.
A kind of preferred version of the electroluminescent cold refrigerator of heat transfer temperature difference is suppressed as phase transformation of the present invention, described integrated phase transformation suppresses heat transfer plate to comprise a metallic plate, be formed with the effigurate closed conduct of tool in described metallic plate, in described closed conduct, be filled with heat-transfer working medium.
A kind of preferred version of the electroluminescent cold refrigerator of heat transfer temperature difference is suppressed as phase transformation of the present invention, the shape of described closed conduct is hexagonal honeycomb shape, circle is cellular, quadrangle is cellular, multiple U-shapeds, rhombus, triangle, the annular of head and the tail series connection, or wherein any one above any combination.
Suppress a kind of preferred version of the electroluminescent cold refrigerator of heat transfer temperature difference as phase transformation of the present invention, described integrated phase transformation suppresses the material of heat transfer plate to be copper, copper alloy, aluminium, aluminium alloy, titanium, titanium alloy, stainless steel, or wherein any one above any combination.
A kind of preferred version of the electroluminescent cold refrigerator of heat transfer temperature difference is suppressed as phase transformation of the present invention, described phase transformation suppresses the electroluminescent cold refrigerator of heat transfer temperature difference also to comprise heat-conducting block, described heat-conducting block is between described thermoelectric cooling module and described inner frame, and the huyashi-chuuka (cold chinese-style noodles) of described thermoelectric cooling module contacts with described inner frame via described heat-conducting block.
A kind of preferred version of the electroluminescent cold refrigerator of heat transfer temperature difference is suppressed as phase transformation of the present invention, the shape on the surface that described integrated phase transformation suppresses heat transfer plate to contact with described thermoelectric cooling module and described heat-conducting block is plane, described integrated phase transformation suppresses the surface of other parts of heat transfer plate to be formed with hole, shallow slot, projection, hinge window or seal coat, with augmentation of heat transfer.
A kind of preferred version of the electroluminescent cold refrigerator of heat transfer temperature difference is suppressed as phase transformation of the present invention, the quantity of described thermoelectric cooling module is multiple, and the interconnection circuit that multiple described thermoelectric cooling module is formed is series circuit, parallel circuit, parallel-serial circuit or serial-parallel circuit.
Suppress a kind of preferred version of the electroluminescent cold refrigerator of heat transfer temperature difference as phase transformation of the present invention, described phase transformation suppresses the electroluminescent cold refrigerator of heat transfer temperature difference also to comprise base; Described shell and be filled with heat-insulating material between described base and described inner frame.
The present invention also provides a kind of phase transformation to suppress the manufacture method of the electroluminescent cold refrigerator of heat transfer temperature difference, and described manufacture method comprises:
Make the inner bag of refrigerator;
Being made into one phase transformation suppresses heat transfer plate, and suppresses heat transfer plate to cut out, bend described integrated phase transformation, is processed into the shell of refrigerator, and seam crossing is welded into entirety;
Make another integrated phase transformation and suppress heat transfer plate, and suppress heat transfer plate to cut out, bend described integrated phase transformation, be processed into bracket, and seam crossing is welded into entirety;
One chassis is provided, described shell and described inner bag and chassis are fixed;
Fix on the housing together with described pallet after thermoelectric cooling module, heat-conducting block are tightened up;
Heat-insulating material is poured between described inner bag and described shell and described chassis;
Described thermoelectric cooling module is had to power and temperature controls or the printed substrate of warning circuit and power switch at appropriate location, described refrigerator rear portion mounting strap;
Refrigerating chamber door and refrigerator doors are installed.
As mentioned above, phase transformation of the present invention suppresses the electroluminescent cold refrigerator of heat transfer temperature difference and manufacture method thereof, has following beneficial effect:
1. the integrated phase transformation that the present invention adopts suppresses heat transfer plate, and be directly designed to the shell of thermoelectric (al) cooling refrigerator, heat transfer rate is fast, area of dissipation is large, significantly reduces the hot-face temperature of thermoelectric cooling module, is conducive to the cooling power increasing refrigerator.The shell that integration phase transformation suppresses heat transfer plate to be designed to thermoelectric (al) cooling refrigerator need not use blower fan forced air cooling to dispel the heat, and both saves electrical power, and turn improves the reliability of complete machine.
2. the shell of thermoelectric (al) cooling refrigerator of the present invention and bracket all adopt integrated phase transformation to suppress heat transfer plate to make, and namely the radiator of thermoelectric (al) cooling refrigerator hot side and the heat transmitter of huyashi-chuuka (cold chinese-style noodles) all adopt integrated phase transformation to suppress heat transfer plate to make; This radiator of hot side, can make the hot-face temperature of thermoelectric cooling module than traditional refrigerating box fall sooner, lower; This heat transmitter of huyashi-chuuka (cold chinese-style noodles) makes the temperature in refrigerating box and household freezer fall comparatively fast, and more even.
3. the integrated phase transformation that the present invention adopts suppresses heat transfer plate, and be designed to the inner bag of thermoelectric (al) cooling refrigerator, heat transfer rate is fast, heat transfer area is large, blower fan need not be used to carry out forced air cooling heat radiation, reduce the temperature of thermoelectric (al) cooling refrigerator space equably.
Accompanying drawing explanation
Fig. 1 is shown as the structural representation of thermoelectric (al) cooling monomer of the prior art.
Fig. 2 is shown as the structural representation of thermoelectric cooling module of the prior art.
Fig. 3 is shown as the structural representation of thermoelectric (al) cooling refrigerating box of the prior art.
The phase transformation that Fig. 4 is shown as to be provided in the embodiment of the present invention one suppresses the structural representation of the electroluminescent cold refrigerator of heat transfer temperature difference.
The phase transformation that Fig. 5 is shown as to be provided in the embodiment of the present invention one suppresses the structural representation of the shell in the electroluminescent cold refrigerator of heat transfer temperature difference.
The phase transformation that Fig. 6 is shown as to be provided in the embodiment of the present invention one suppresses the expansion schematic diagram of the shell in the electroluminescent cold refrigerator of heat transfer temperature difference.
The phase transformation that Fig. 7 is shown as to be provided in the embodiment of the present invention one suppresses the side view of the bracket of the drawer-like in the electroluminescent cold refrigerator of heat transfer temperature difference.
Fig. 8 is shown as the top view of Fig. 7.
Fig. 9 is shown as the left view of Fig. 7.
The phase transformation that Figure 10 is shown as to be provided in the embodiment of the present invention one suppresses the expansion schematic diagram of the bracket of the drawer-like in the electroluminescent cold refrigerator of heat transfer temperature difference.
The phase transformation that Figure 11 is shown as to be provided in the embodiment of the present invention two suppresses the front section view of the electroluminescent cold refrigerator of heat transfer temperature difference.
The phase transformation that Figure 12 is shown as to be provided in the embodiment of the present invention two suppresses the side view of the electroluminescent cold refrigerator of heat transfer temperature difference.
The phase transformation that Figure 13 is shown as to be provided in the embodiment of the present invention two suppresses the structural representation of the shell in the electroluminescent cold refrigerator of heat transfer temperature difference.
The phase transformation that Figure 14 is shown as to be provided in the embodiment of the present invention two suppresses the expansion schematic diagram of the shell in the electroluminescent cold refrigerator of heat transfer temperature difference.
The phase transformation that Figure 15 is shown as to be provided in the embodiment of the present invention two suppresses the front view of the bracket of the drawer-like in the electroluminescent cold refrigerator of heat transfer temperature difference.
Figure 16 is shown as the top view of Figure 15.
Figure 17 is shown as the left view of Figure 15.
The phase transformation that Figure 18 is shown as to be provided in the embodiment of the present invention two suppresses the expansion schematic diagram of the bracket of the drawer-like in the electroluminescent cold refrigerator of heat transfer temperature difference.
The phase transformation that Figure 19 is shown as to be provided in the embodiment of the present invention three suppresses the structural representation of the electroluminescent cold refrigerator of heat transfer temperature difference.
The phase transformation that Figure 20 is shown as to be provided in the embodiment of the present invention three suppresses the front view of the inner bag in the electroluminescent cold refrigerator of heat transfer temperature difference.
Figure 21 is shown as the top view of Figure 20.
The phase transformation that Figure 22 is shown as to be provided in the embodiment of the present invention three suppresses the expansion schematic diagram of the inner bag in the electroluminescent cold refrigerator of heat transfer temperature difference.
The phase transformation that Figure 23 is shown as to be provided in the embodiment of the present invention four suppresses the flow chart of the manufacture method of the electroluminescent cold refrigerator of heat transfer temperature difference.
Element numbers explanation
100 P type thermoelements
101 N-type thermoelements
102 electrodes
1021 positive electrodes
1022 negative electrodes
103 power supplys
104 ceramic wafers
105 refrigerator doors
106 first blower fans
107 huyashi-chuuka (cold chinese-style noodles) fin
108 thermoelectric cooling modules
109 shells
110 heat-insulating materials
111 hot side fin
112 second blower fans
20 thermoelectric cooling modules
21 heat-conducting blocks
22 inner bags
23 heat-insulating materials
24 shells
25 bases
26 brackets
27 refrigerating chamber doors
28 refrigerator doors
Detailed description of the invention
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this description can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by detailed description of the invention different in addition, and the every details in this description also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
Refer to Fig. 4 to Figure 23.It should be noted that, the diagram provided in the present embodiment only illustrates basic conception of the present invention in a schematic way, though only show the assembly relevant with the present invention in diagram but not component count, shape and size when implementing according to reality is drawn, it is actual when implementing, and the kenel of each assembly, quantity and ratio can be a kind of change arbitrarily, and its assembly layout kenel also may be more complicated.
Embodiment one
Refer to Fig. 4, the invention provides a kind of phase transformation and suppress the electroluminescent cold refrigerator of heat transfer temperature difference, described phase transformation suppresses the electroluminescent cold refrigerator of heat transfer temperature difference to comprise: shell 24, inner frame and at least one thermoelectric cooling module 20; Described inner frame is positioned at described shell 24, comprises inner bag 22 and bracket 26; Described inner bag 22 forms memory space in described shell 24, and described memory space is divided into refrigerating chamber and refrigerating chamber two parts by described bracket 26, and top is refrigerating chamber, and bottom is refrigerating chamber; Described inner bag 22 is plastic inner container, and described shell 24 and described bracket 26 suppress heat transfer plate to be made by integrated phase transformation; Described thermoelectric cooling module 20 is between described shell 24 and described bracket 26; Described thermoelectric cooling module 20 comprises hot side and huyashi-chuuka (cold chinese-style noodles), and described hot side contacts with described shell 24, and described huyashi-chuuka (cold chinese-style noodles) contacts with described bracket 26.Concrete, described shell 24 surrounds described phase transformation and suppresses the rear wall of the electroluminescent cold refrigerator of heat transfer temperature difference, sidewall and roof; Described thermoelectric cooling module 20, as shown in Figure 4, between described bracket 26 and described rear wall.It should be noted that, phase transformation described herein suppresses the rear wall of the electroluminescent cold refrigerator of heat transfer temperature difference, sidewall and roof to be suppress the refrigerator doors of the electroluminescent cold refrigerator of heat transfer temperature difference for reference with described phase transformation, the side relative with described refrigerator doors is rear wall, between described refrigerator doors and described rear wall and be positioned at the two both sides be sidewall, be positioned at and be roof above the two between described refrigerator doors and described rear wall.
Exemplarily, described phase transformation suppresses the electroluminescent cold refrigerator of heat transfer temperature difference also to comprise heat-conducting block 21, described heat-conducting block 21 is between described thermoelectric cooling module 20 and described bracket 26, and the huyashi-chuuka (cold chinese-style noodles) of described thermoelectric cooling module 20 is contacted with described bracket 26 by described heat-conducting block 21.
Exemplarily, the shape of described heat-conducting block 21 can design according to actual needs, and preferably, in the present embodiment, the shape of described heat-conducting block 21 is trapezoidal.
Exemplarily, described shell 24, namely the hot side radiator of described thermoelectric cooling module 20 adopts integrated phase transformation to suppress heat transfer plate, and its structure can be designed to shape as shown in Figure 5, but not as limit in the present embodiment; After suppressing heat transfer plate to launch as the described integrated phase transformation of described shell 24 as shown in Figure 6.It should be noted that, the part that the described integrated phase transformation as described shell 24 suppresses heat transfer plate to be combined with described thermoelectric cooling module 20 hot side must be smooth, smooth, must not be jagged.It should be noted that, alphabetical A, B, C in Fig. 5 and Fig. 6 are respectively the size of the length of cube structure shown in figure, L and C-L is respectively the length on the limit that it indicates.
Exemplarily, the shape on the surface that the described integrated phase transformation forming described shell 24 suppresses heat transfer plate to contact with described thermoelectric cooling module 20 is plane, described integrated phase transformation suppresses the surface of other parts of heat transfer plate to be formed with the augmentation of heat transfer structures such as hole, shallow slot, projection, hinge window, or seal coat, with augmentation of heat transfer.
Exemplarily, the shape of described bracket 26 can be designed to drawer shape as shown in Figure 7 to 9, but not as limit in the present embodiment; After suppressing heat transfer plate to launch as the described integrated phase transformation of described bracket 26 as shown in Figure 10, it has the bolt hole fixing with described heat-conducting block 21, the bolt hole fixing with described shell 24.It should be noted that, the part that the described integrated phase transformation as described bracket 26 suppresses heat transfer plate to be combined with described thermoelectric cooling module 20 huyashi-chuuka (cold chinese-style noodles) must be smooth, smooth, must not be jagged; Namely the part suppressing heat transfer plate to be combined with described heat-conducting block 21 as the described integrated phase transformation of described bracket 26 must be smooth, smooth, must not be jagged.
Exemplarily, the shape on the surface that the described integrated phase transformation forming described bracket 26 suppresses heat transfer plate to contact with described heat-conducting block 21 is plane, described integrated phase transformation suppresses the surface of other parts of heat transfer plate to be formed with the augmentation of heat transfer structures such as hole, shallow slot, projection or hinge window, or seal coat, with augmentation of heat transfer.
The described integrated phase transformation adopted suppresses heat transfer plate to be directly designed to the described shell 24 of thermoelectric (al) cooling refrigerator, heat transfer rate is fast, area of dissipation is large, significantly reduce the hot-face temperature of described thermoelectric cooling module 20, be conducive to the cooling power increasing the electroluminescent cold refrigerator of described phase transformation suppression heat transfer temperature difference.Described integrated phase transformation suppresses heat transfer plate to be designed to the shell 24 of the electroluminescent cold refrigerator of described phase transformation suppression heat transfer temperature difference, blower fan forced air cooling need not be used to dispel the heat, both saved electrical power, turn improve the reliability of complete machine.Described thermoelectric cooling module 20 huyashi-chuuka (cold chinese-style noodles), the described bracket 26 suppressing heat transfer plate to be made with described integrated phase transformation tightens up, and makes the temperature in refrigerating box and household freezer fall comparatively fast, and more even.
Exemplarily, the thermoelectric (al) cooling refrigerator that the present invention relates to, use described thermoelectric cooling module 20 as heat pump, hot side is that the integrated phase transformation being designed to described shell 24 suppresses heat transfer plate, it is that trapezoidal described heat-conducting block 21 and the integrated phase transformation being designed to described drawer-like bracket 26 suppress heat transfer plate that huyashi-chuuka (cold chinese-style noodles) arranges in order, and these four parts can become sandwich structure with bolt tightening.It is required that consider the effect of expanding with heat and contract with cold, bolt tightening structure can adopt locking combination.
Exemplarily, described thermoelectric cooling module 20 can be any one thermoelectric cooling module of the prior art, preferably, in the present embodiment, employing a slice model is the described thermoelectric cooling module 20 of thermoelectric cooling module as the present embodiment of TEC1-12706, described thermoelectric cooling module is a kind of commercial bismuth telluride thermoelectric cooling module, comprises 127 pairs of thermoelements; Described commercial bismuth telluride thermoelectric cooling module appearance and size is: area 40mm × 40mm, and thickness is 3.2mm; Described thermoelement is of a size of: sectional area 1.4mm × 1.4mm, is highly 1.6mm; Described bismuth telluride thermoelectric cooling module is when hot-face temperature is 27 DEG C, and maximum temperature difference is at 68 DEG C ~ 72 DEG C, and maximum refrigeration work consumption is at 54W.Described bismuth telluride thermoelectric cooling module uses the DC power supply of 12V/6A.
Exemplarily, the quantity of described thermoelectric cooling module 20 can be multiple, and the interconnection circuit that multiple described thermoelectric cooling module 20 is formed is series circuit, parallel circuit, parallel-serial circuit or serial-parallel circuit.
Exemplarily, the described integrated phase transformation forming described shell 24 and described bracket 26 suppresses heat transfer plate to comprise a metallic plate, is formed with the effigurate closed conduct of tool, is filled with heat-transfer working medium in described closed conduct in described metallic plate by blowing-up technology; Described heat-transfer working medium can for adding the water, freon etc. of appropriate additive.
Exemplarily, the shape of described closed conduct can be hexagonal honeycomb shape, circle is cellular, quadrangle is cellular, multiple U-shapeds of head and the tail series connection, rhombus, triangle, annular, or wherein any one above any combination; Namely on described metallic plate, the shape of conduit outward appearance can be hexagonal honeycomb shape, circle is cellular, quadrangle is cellular, multiple U-shapeds, rhombus, triangle, the annular of head and the tail series connection, or wherein any one above any combination.
Exemplarily, the described integrated phase transformation forming described shell 24 and described bracket 26 suppresses the material of heat transfer plate can be copper, copper alloy, aluminium, aluminium alloy, titanium, titanium alloy, stainless steel, or wherein any one above any combination.
Exemplarily, the thickness of described metallic plate and the internal diameter of described closed conduct can set according to actual needs, and preferably, in the present embodiment, the thickness of described metallic plate is 0.2mm ~ 5mm, and the internal diameter of described closed conduct is 0.1mm ~ 1mm.
Exemplarily, described phase transformation suppresses the electroluminescent cold refrigerator of heat transfer temperature difference also to comprise base 25; Described shell 24 and be filled with heat-insulating material 23 between described base 25 and described inner bag 22; Described heat-insulating material 23 can be but be not limited only to the foamed plastics such as polyurethane.
Exemplarily, described phase transformation suppresses the electroluminescent cold refrigerator of heat transfer temperature difference also to comprise refrigerating chamber door 27 and refrigerator doors 28.
Phase transformation is suppressed heat transfer (Phase Change Inhibited Heat Transfer – is called for short PCI Heat Transfer) by the present embodiment, and technology is used for thermoelectric (al) cooling refrigerator, is that the PCI heat transfer plate of integration is used for thermoelectric (al) cooling refrigerator furtherly.In the present embodiment, an integrated PCI heat transfer plate is designed to the shell 24 of the electroluminescent cold refrigerator of described phase transformation suppression heat transfer temperature difference, and another integrated PCI heat transfer plate is designed to the bracket 26 that described phase transformation suppresses the electroluminescent cold refrigerator of heat transfer temperature difference.The described integrated phase transformation adopted suppresses heat transfer plate to be directly designed to the described shell 24 of thermoelectric (al) cooling refrigerator, heat transfer rate is fast, area of dissipation is large, significantly reduce the hot-face temperature of described thermoelectric cooling module 20, be conducive to the cooling power increasing the electroluminescent cold refrigerator of described phase transformation suppression heat transfer temperature difference; Described integrated phase transformation suppresses heat transfer plate to be designed to the shell 24 of the electroluminescent cold refrigerator of described phase transformation suppression heat transfer temperature difference, blower fan forced air cooling need not be used to dispel the heat, both saved electrical power, turn improve the reliability of complete machine; The described bracket 26 being positioned at described thermoelectric cooling module 20 huyashi-chuuka (cold chinese-style noodles) suppresses heat transfer plate to be made by described integrated phase transformation, and the temperature in refrigerating box and household freezer can be made to fall comparatively fast, and more even.
Embodiment two
Refer to Figure 11 to Figure 18, the present invention also provides a kind of phase transformation to suppress the electroluminescent cold refrigerator of heat transfer temperature difference, and as shown in figure 11, described phase transformation suppresses the electroluminescent cold refrigerator of heat transfer temperature difference to comprise: shell 24, inner frame and at least one thermoelectric cooling module 20; Described inner frame is positioned at described shell 24, comprises inner bag 22 and bracket 26; Described inner bag 22 forms memory space in described shell 24, and described memory space is divided into refrigerating chamber and refrigerating chamber two parts by described bracket 26, and top is refrigerating chamber, and bottom is refrigerating chamber; Described inner bag 22 is plastic inner container, and described shell 24 and described bracket 26 suppress heat transfer plate to be made by integrated phase transformation; Described thermoelectric cooling module 20 is between described shell 24 and described bracket 26; Described thermoelectric cooling module 20 comprises hot side and huyashi-chuuka (cold chinese-style noodles), and described hot side contacts with described shell 24, and described huyashi-chuuka (cold chinese-style noodles) contacts with described bracket 26.Concrete, described shell 24 surrounds described phase transformation and suppresses the rear wall of the electroluminescent cold refrigerator of heat transfer temperature difference, sidewall and roof; Described thermoelectric cooling module 20, as shown in figure 11, between described bracket 26 and described sidewall.It should be noted that, phase transformation described herein suppresses the rear wall of the electroluminescent cold refrigerator of heat transfer temperature difference, sidewall and roof to be suppress the refrigerator doors of the electroluminescent cold refrigerator of heat transfer temperature difference for reference with described phase transformation, the side relative with described refrigerator doors is rear wall, between described refrigerator doors and described rear wall and be positioned at the two both sides be sidewall, be positioned at and be roof above the two between described refrigerator doors and described rear wall.
Exemplarily, described phase transformation suppresses the electroluminescent cold refrigerator of heat transfer temperature difference equally also to comprise heat-conducting block 21, described heat-conducting block 21 is between described thermoelectric cooling module 20 and described bracket 26, and the huyashi-chuuka (cold chinese-style noodles) of described thermoelectric cooling module 20 is contacted with described bracket 26 by described heat-conducting block 21.
Exemplarily, the shape of described heat-conducting block 21 can design according to actual needs, and preferably, in the present embodiment, the shape of described heat-conducting block 21 is trapezoidal.
Exemplarily, described shell 24, namely the hot side radiator of described thermoelectric cooling module 20 adopts integrated phase transformation to suppress heat transfer plate, and its structure can be designed to shape as shown in fig. 13 that, but not as limit in the present embodiment; After suppressing heat transfer plate to launch as the described integrated phase transformation of described shell 24 as shown in figure 14.It should be noted that, the part that the described integrated phase transformation as described shell 24 suppresses heat transfer plate to be combined with described thermoelectric cooling module 20 hot side must be smooth, smooth, must not be jagged.It should be noted that, alphabetical A, B, C in Figure 13 and Figure 14 are respectively the size of the length of cube structure shown in figure.
Exemplarily, the shape on the surface that the described integrated phase transformation forming described shell 24 suppresses heat transfer plate to contact with described thermoelectric cooling module 20 is plane, described integrated phase transformation suppresses the surface of other parts of heat transfer plate to be formed with the augmentation of heat transfer structures such as hole, shallow slot, projection, hinge window, or seal coat, with augmentation of heat transfer.
Exemplarily, the shape of described bracket 26 can be designed to the drawer shape as shown in Figure 15 to Figure 17, but not as limit in the present embodiment; After suppressing heat transfer plate to launch as the described integrated phase transformation of described bracket 26 as shown in figure 18, it has the bolt hole fixing with described heat-conducting block 21, the bolt hole fixing with described shell 24.It should be noted that, the part that the described integrated phase transformation as described bracket 26 suppresses heat transfer plate to be combined with described thermoelectric cooling module 20 huyashi-chuuka (cold chinese-style noodles) must be smooth, smooth, must not be jagged; Namely the part suppressing heat transfer plate to be combined with described heat-conducting block 21 as the described integrated phase transformation of described bracket 26 must be smooth, smooth, must not be jagged.
Exemplarily, the shape on the surface that the described integrated phase transformation forming described bracket 26 suppresses heat transfer plate to contact with described heat-conducting block 21 is plane, described integrated phase transformation suppresses the surface of other parts of heat transfer plate to be formed with the augmentation of heat transfer structures such as hole, shallow slot, projection, hinge window, or seal coat, with augmentation of heat transfer.
Described phase transformation in the present embodiment suppress other structures in the electroluminescent cold refrigerator of heat transfer temperature difference and characteristic all identical with other structures in embodiment one and characteristic thereof, specifically refer to embodiment one, be not repeated herein.
Embodiment three
Refer to Figure 19 to Figure 22, the present invention also provides a kind of phase transformation to suppress the electroluminescent cold refrigerator of heat transfer temperature difference, and as shown in figure 19, described phase transformation suppresses the electroluminescent cold refrigerator of heat transfer temperature difference to comprise: shell 24, inner frame and at least one thermoelectric cooling module 20; Described inner frame is positioned at described shell 24, only comprises inner bag 22, and described inner bag 22 forms memory space in described shell 24; Described inner bag 22 and described shell 24 suppress heat transfer plate to be made by integrated phase transformation; Described thermoelectric cooling module 20 is between described shell 24 and described inner bag 22; Described thermoelectric cooling module 20 comprises hot side and huyashi-chuuka (cold chinese-style noodles), and described hot side contacts with described shell 24, and described huyashi-chuuka (cold chinese-style noodles) contacts with described inner bag 22.
Exemplarily, described shell 24 surrounds described phase transformation and suppresses the rear wall of heat transfer temperature difference electroluminescent cold refrigerator, sidewall and roof, described thermoelectric cooling module 20 can as shown in figure 19 between described inner bag 22 and described rear wall, also can between described inner bag 22 and described sidewall.It should be noted that, phase transformation described herein suppresses the rear wall of the electroluminescent cold refrigerator of heat transfer temperature difference, sidewall and roof to be suppress the refrigerator doors of the electroluminescent cold refrigerator of heat transfer temperature difference for reference with described phase transformation, the side relative with described refrigerator doors is rear wall, between described refrigerator doors and described rear wall and be positioned at the two both sides be sidewall, be positioned at and be roof above the two between described refrigerator doors and described rear wall.
Exemplarily, described phase transformation suppresses the electroluminescent cold refrigerator of heat transfer temperature difference equally also to comprise heat-conducting block 21, described heat-conducting block 21 is between described thermoelectric cooling module 20 and described inner bag 22, and the huyashi-chuuka (cold chinese-style noodles) of described thermoelectric cooling module 20 is contacted with described inner bag 22 by described heat-conducting block 21.
Exemplarily, the shape of described heat-conducting block 21 can design according to actual needs, and preferably, in the present embodiment, the shape of described heat-conducting block 21 is trapezoidal.
Exemplarily, the structure of described inner bag 22 can be designed to the shape as shown in Figure 20 to 21, but not as limit in the present embodiment; After suppressing heat transfer plate to launch as the described integrated phase transformation of described inner bag 22 as shown in figure 22, it has the bolt hole fixing with described heat-conducting block 21, the bolt hole fixing with described shell 24, described shell 24, described thermoelectric cooling module 20, described heat-conducting block 21 and described inner bag 22 can be fixed tightly in together successively.It should be noted that, the part that the described integrated phase transformation as described inner bag 22 suppresses heat transfer plate to be combined with described thermoelectric cooling module 20 hot side must be smooth, smooth, must not be jagged.It should be noted that, alphabetical A, B, C in Figure 20 to Figure 22 are respectively the size of the length of cube structure shown in figure.
Exemplarily, the shape on the surface that the described integrated phase transformation forming described inner bag 22 suppresses heat transfer plate to contact with described heat-conducting block 21 is plane, described integrated phase transformation suppresses the surface of other parts of heat transfer plate to be formed with the augmentation of heat transfer structures such as hole, shallow slot, projection, hinge window, or seal coat, with augmentation of heat transfer.
Described phase transformation in the present embodiment suppress other structures in the electroluminescent cold refrigerator of heat transfer temperature difference and characteristic identical with other structures in embodiment one and characteristic thereof, specifically refer to embodiment one, be not repeated herein.
Inner bag 22 described in the present embodiment suppresses heat transfer plate to be made by integrated phase transformation, described inner bag 22 is had, and heat transfer rate is fast, heat transfer area is large, blower fan need not be used to carry out forced air cooling heat radiation, reduce the feature of the temperature of thermoelectric (al) cooling refrigerator space equably.
Embodiment four
Refer to Figure 23, the present invention also provides a kind of phase transformation to suppress the manufacture method of the electroluminescent cold refrigerator of heat transfer temperature difference, and described manufacture method comprises:
S1: adopt Shooting Technique or plastic uptake technique to make the inner bag of refrigerator;
S2: adopt integrated phase transformation suppression technology to make the integrated phase transformation of shape as shown in Fig. 6 in embodiment one and suppress heat transfer plate, installing the through hole of thermoelectric cooling module place processing clamping bolt; And suppress heat transfer plate to cut out, bend described integrated phase transformation, be processed into the shell of refrigerator, and seam crossing is welded into entirety; After welding, weld seam is processed, to guarantee smooth welded seam, smooth, impulse-free robustness;
S3: adopt integrated phase transformation suppression technology to make another integrated phase transformation of shape as shown in Figure 10 in embodiment one and suppress heat transfer plate, the through hole of processing clamping bolt; And suppress heat transfer plate to cut out, bend described integrated phase transformation, be processed into bracket, and seam crossing is welded into entirety; After welding, weld seam is processed, to guarantee smooth welded seam, smooth, impulse-free robustness;
S4: provide a chassis, fixes described shell and described inner bag and chassis;
S5: fix on the housing together with described pallet after thermoelectric cooling module, heat-conducting block are tightened up; Described thermoelectric cooling module can be any one thermoelectric cooling module of the prior art, preferably, in the present embodiment, employing a slice model is the described thermoelectric cooling module of thermoelectric cooling module as the present embodiment of TEC1-12706, described thermoelectric cooling module is a kind of commercial bismuth telluride thermoelectric cooling module, comprises 127 pairs of thermoelements; Described commercial bismuth telluride thermoelectric cooling module appearance and size is: area 40mm × 40mm, and thickness is 3.2mm; Described thermoelement is of a size of: sectional area 1.4mm × 1.4mm, is highly 1.6mm; Described bismuth telluride thermoelectric cooling module is when hot-face temperature is 27 DEG C, and maximum temperature difference is at 68 DEG C ~ 72 DEG C, and maximum refrigeration work consumption is at 54W; Described bismuth telluride thermoelectric cooling module uses the DC power supply of 12V/6A;
S6: pour into heat-insulating material between described inner bag and described shell and described chassis, described heat-insulating material can be but be not limited only to polyurethane foam plastics;
S7: have described thermoelectric cooling module to power and temperature controls or the printed substrate of warning circuit and power switch at appropriate location, described refrigerator rear portion mounting strap;
S8: install refrigerating chamber door and refrigerator doors.
In sum, the invention provides a kind of phase transformation and suppress the electroluminescent cold refrigerator of heat transfer temperature difference and manufacture method thereof, the integrated phase transformation that the present invention adopts suppresses heat transfer plate, directly be designed to the shell of thermoelectric (al) cooling refrigerator, heat transfer rate is fast, area of dissipation is large, significantly reduce the hot-face temperature of thermoelectric cooling module, be conducive to the cooling power increasing refrigerator.The shell that integration phase transformation suppresses heat transfer plate to be designed to thermoelectric (al) cooling refrigerator need not use blower fan forced air cooling to dispel the heat, and both saves electrical power, and turn improves the reliability of complete machine; The shell of thermoelectric (al) cooling refrigerator of the present invention and bracket all adopt integrated phase transformation to suppress heat transfer plate to make, and namely the radiator of thermoelectric (al) cooling refrigerator hot side and the heat transmitter of huyashi-chuuka (cold chinese-style noodles) all adopt integrated phase transformation to suppress heat transfer plate to make; This radiator of hot side, can make the hot-face temperature of thermoelectric cooling module than traditional refrigerating box fall sooner, lower; This heat transmitter of huyashi-chuuka (cold chinese-style noodles) makes the temperature in refrigerating box and household freezer fall comparatively fast, and more even; The integrated phase transformation that the present invention adopts suppresses heat transfer plate, and be designed to the inner bag of thermoelectric (al) cooling refrigerator, heat transfer rate is fast, heat transfer area is large, blower fan need not be used to carry out forced air cooling heat radiation, reduce the temperature of thermoelectric (al) cooling refrigerator space equably.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.

Claims (13)

1. phase transformation suppresses the electroluminescent cold refrigerator of heat transfer temperature difference, it is characterized in that, described phase transformation suppresses the electroluminescent cold refrigerator of heat transfer temperature difference to comprise: shell, inner frame and at least one thermoelectric cooling module;
Described shell suppresses heat transfer plate to be made by integrated phase transformation;
Described inner frame is positioned at described shell, and forms memory space in described shell;
Described thermoelectric cooling module is between described shell and described inner frame; Described thermoelectric cooling module comprises hot side and huyashi-chuuka (cold chinese-style noodles), and described hot side contacts with described shell, and described huyashi-chuuka (cold chinese-style noodles) contacts with described inner frame.
2. phase transformation according to claim 1 suppresses the electroluminescent cold refrigerator of heat transfer temperature difference, it is characterized in that:
Described inner frame comprises inner bag and bracket, and described memory space is divided into refrigerating chamber and refrigerating chamber two parts by described bracket;
Described inner bag is plastic inner container, and described bracket suppresses heat transfer plate to be made by integrated phase transformation;
Described thermoelectric cooling module is between described shell and described bracket; Described thermoelectric cooling module comprises hot side and huyashi-chuuka (cold chinese-style noodles), and described hot side contacts with described shell, and described huyashi-chuuka (cold chinese-style noodles) contacts with described bracket.
3. phase transformation according to claim 2 suppresses the electroluminescent cold refrigerator of heat transfer temperature difference, it is characterized in that: described shell surrounds described phase transformation and suppresses the rear wall of heat transfer temperature difference electroluminescent cold refrigerator, sidewall and roof, and described thermoelectric cooling module is between described bracket and described rear wall.
4. phase transformation according to claim 2 suppresses the electroluminescent cold refrigerator of heat transfer temperature difference, it is characterized in that: described shell surrounds described phase transformation and suppresses the rear wall of heat transfer temperature difference electroluminescent cold refrigerator, sidewall and roof, and described thermoelectric cooling module is between described bracket and described sidewall.
5. phase transformation according to claim 1 suppresses the electroluminescent cold refrigerator of heat transfer temperature difference, it is characterized in that: described inner frame comprises inner bag, and described inner bag suppresses heat transfer plate to be made by integrated phase transformation.
6. phase transformation according to any one of claim 1 to 5 suppresses the electroluminescent cold refrigerator of heat transfer temperature difference, it is characterized in that: described integrated phase transformation suppresses heat transfer plate to comprise a metallic plate, be formed with the effigurate closed conduct of tool in described metallic plate, in described closed conduct, be filled with heat-transfer working medium.
7. phase transformation according to claim 6 suppresses the electroluminescent cold refrigerator of heat transfer temperature difference, it is characterized in that: the shape of described closed conduct is hexagonal honeycomb shape, circle is cellular, quadrangle is cellular, multiple U-shapeds, rhombus, triangle, the annular of head and the tail series connection, or wherein any one above any combination.
8. phase transformation according to any one of claim 1 to 5 suppresses the electroluminescent cold refrigerator of heat transfer temperature difference, it is characterized in that: described integrated phase transformation suppresses the material of heat transfer plate to be copper, copper alloy, aluminium, aluminium alloy, titanium, titanium alloy, stainless steel, or wherein any one above any combination.
9. phase transformation according to claim 1 suppresses the electroluminescent cold refrigerator of heat transfer temperature difference, it is characterized in that: also comprise heat-conducting block, described heat-conducting block is between described thermoelectric cooling module and described inner frame, and the huyashi-chuuka (cold chinese-style noodles) of described thermoelectric cooling module contacts with described inner frame via described heat-conducting block.
10. phase transformation according to claim 9 suppresses the electroluminescent cold refrigerator of heat transfer temperature difference, it is characterized in that: the shape on the surface that described integrated phase transformation suppresses heat transfer plate to contact with described thermoelectric cooling module and described heat-conducting block is plane, described integrated phase transformation suppresses the surface of other parts of heat transfer plate to be formed with hole, shallow slot, projection, hinge window or seal coat, with augmentation of heat transfer.
11. phase transformations according to claim 1 suppress the electroluminescent cold refrigerator of heat transfer temperature difference, it is characterized in that: the quantity of described thermoelectric cooling module is multiple, the interconnection circuit that multiple described thermoelectric cooling module is formed is series circuit, parallel circuit, parallel-serial circuit or serial-parallel circuit.
12. phase transformations according to claim 1 suppress the electroluminescent cold refrigerator of heat transfer temperature difference, it is characterized in that: also comprise base; Described shell and be filled with heat-insulating material between described base and described inner frame.
13. 1 kinds of phase transformations suppress the manufacture method of the electroluminescent cold refrigerator of heat transfer temperature difference, and it is characterized in that, described manufacture method comprises:
Make the inner bag of refrigerator;
Being made into one phase transformation suppresses heat transfer plate, and suppresses heat transfer plate to cut out, bend described integrated phase transformation, is processed into the shell of refrigerator, and seam crossing is welded into entirety;
Make another integrated phase transformation and suppress heat transfer plate, and suppress heat transfer plate to cut out, bend described integrated phase transformation, be processed into bracket, and seam crossing is welded into entirety;
One chassis is provided, described shell and described inner bag and chassis are fixed;
Fix on the housing together with described pallet after thermoelectric cooling module, heat-conducting block are tightened up;
Heat-insulating material is poured between described inner bag and described shell and described chassis;
Described thermoelectric cooling module is had to power and temperature controls or the printed substrate of warning circuit and power switch at appropriate location, described refrigerator rear portion mounting strap;
Refrigerating chamber door and refrigerator doors are installed.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08136106A (en) * 1994-11-02 1996-05-31 Hitachi Ltd Electronic refrigerator
JPH08200919A (en) * 1995-01-23 1996-08-09 Fuji Electric Co Ltd Electronic refrigerating type refrigerator
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