CN108592476A - A kind of semiconductor refrigerating hutch including cold end automatic defrosting device - Google Patents
A kind of semiconductor refrigerating hutch including cold end automatic defrosting device Download PDFInfo
- Publication number
- CN108592476A CN108592476A CN201810470626.7A CN201810470626A CN108592476A CN 108592476 A CN108592476 A CN 108592476A CN 201810470626 A CN201810470626 A CN 201810470626A CN 108592476 A CN108592476 A CN 108592476A
- Authority
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- China
- Prior art keywords
- cold end
- hutch
- fan
- chilling plate
- semiconductor chilling
- Prior art date
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- Pending
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 88
- 238000010257 thawing Methods 0.000 title claims abstract description 31
- 238000005057 refrigeration Methods 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 8
- 230000006698 induction Effects 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 11
- 239000012774 insulation material Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 4
- 239000010960 cold rolled steel Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000007664 blowing Methods 0.000 abstract 2
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 235000014102 seafood Nutrition 0.000 description 1
- 239000005439 thermosphere Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
- F25B21/04—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect reversible
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
-
- 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
- F25D23/06—Walls
- F25D23/065—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
- F25B2321/021—Control thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
- F25B2321/025—Removal of heat
- F25B2321/0251—Removal of heat by a gas
-
- 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
- F25D2201/00—Insulation
- F25D2201/10—Insulation with respect to heat
- F25D2201/12—Insulation with respect to heat using an insulating packing material
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Defrosting Systems (AREA)
Abstract
The invention discloses a kind of semiconductor refrigerating hutch including cold end automatic defrosting device, storage box body including heat preservation, freeze case lid there are one being set in the top of the box, it is covered equipped with semiconductor refrigerating module and defrosting module in the refrigeration case, the semiconductor refrigerating module includes semiconductor chilling plate, the semiconductor chilling plate includes radiating surface and chill surface, wherein heat dissipation faces upward, it is bonded with radiating fin, radiating fin is bonded with radiator fan exchanges heat hot junction heat and outside air；Refrigeration downwards, is bonded with conduction cooling fan.Defrosting module includes the blowing of conduction cooling fan counter steer chill surface and blows to chill surface from hot junction introducing hot wind.The mode that the present invention blows to chill surface combination using conduction cooling fan reversion blowing in semiconductor refrigerating hutch and from hot junction introducing hot wind defrosts, and effectively improves defrosting efficiency.
Description
Technical field
The present invention relates to a kind of semiconductor refrigerating hutch including cold end automatic defrosting device, belong to cold chain refrigeration neck
Domain.
Background technology
With the development of logistics, the type of logistics distribution cargo is more various, and fresh dispatching has become current Taobao, capital
One of the main business in east etc..Semiconductor refrigerating technology is applied to refrigeration case, it is possible to reduce the volume weight of refrigeration case is saved
Cost, and increase the reliability in transportational process and convenience.However during semiconductor refrigerating can frosting, effectively defrosting can be with
Improve semiconductor refrigerating efficiency.
Have partial monopoly in Cold storage in the refrigerator field and proposes Defrost technology.Patent CN206488539U《A kind of ultrasonic wave
Automatic defrosting device》It is equipped with ultrasound transducer apparatus in the side of air-cooler, the shell other side is equipped with frosting sensing device, from
And it can be with automatic sensing frosting and defrost.But the ultrasound transducer apparatus that uses of the patent and frosting sensing device structure are multiple
Miscellaneous and cost is higher, is not suitable for logistics and removes defrosting system with hutch.Patent CN107940877A《A kind of freezer defrosting control system
System and control method》According to the out temperature of outdoor condenser, indoor evaporator, outdoor condenser, throttling set and connection
The flow velocity of pipeline and the input voltage of compressor and input current calculate the practical heat exchange amount Q of the outdoor evaporator1, sentence
Break practical heat exchange amount Q1Whether initial heat exchange amount Q is less than0, if so, carrying out defrosting operation.But logistics hutch is initial
Heat exchange amount Q0It is uncertain, and practical heat exchange amount Q1It can change with food materials type, that is, quantity of each logistics transportation, so
The patent Defrost mode is not suitable for logistics and removes defrosting system with hutch.
A kind of semiconductor refrigerating hutch including cold end automatic defrosting device of the present invention, when for refrigerate operating mode
When, it is inverted by cold end fan, is dried to semiconductor cold end, realize semiconductor cold end automatic defrosting；When for freezing operating mode, lead to
The reversion of cold end fan is crossed, is dried to semiconductor cold end, and introduces hot wind from hot junction and blows to semiconductor cold end, realizes semiconductor cold end
Automatic defrosting.The present invention can manufacture and design for the defroster of cold chain transportation field refrigeration case provides new thinking and scheme.
Invention content
It is an object of the invention to overcome the shortcomings of the prior art, provide it is a kind of it is simple in structure, do not shut down defrosting
The semiconductor refrigerating hutch for including cold end automatic defrosting device.
A kind of semiconductor refrigerating hutch including cold end automatic defrosting device provided by the invention, it is characterised in that including
Thermal insulation material (1), conduction cooling material (2), temperature sensor (3), switch (4), power supply (5), thermal insulation layer (6), grid (7), first
Drain air hose (8-1), the second drainage air hose (8-2), the first induction fan (9-1), the second induction fan (9-2), hot junction fan
(10), radiating fin (11), semiconductor chilling plate (12), refrigeration case lid (13), cold end fan (14), foreward/rearward rotation controller
(15), hutch (16), drainage controlling device (17), drainage switch (18), drainage power supply (19), ammeter (20), pressure regulator
(21), positive and negative rotation ammeter (22), positive and negative rotation pressure regulator (23), rotating forward power supply (24-1), reversion power supply (24-2), rotating forward control
Device (25-1), rotates forward switch (26-1), reversal switch (26-2) at reversal control device (25-2)；
Wherein hutch (16) left side is equipped with temperature sensor (3), and six faces are equipped with conduction cooling material around hutch (16)
Expect (2), refrigeration case lid (13) is equipped at the top of hutch (16), and refrigeration case lid (13) center is equipped with two panels semiconductor chilling plate
(12) and one layer of thermal insulation layer (6), the case lid (13) that will freeze are divided into two parts up and down, two panels semiconductor chilling plate (12) cold end direction
Downside, towards upside, refrigeration case lid (13) top surface is grid (7) in hot junction；
The cold end and box house of semiconductor chilling plate (12) are not directly contacted with, the cold end of semiconductor chilling plate (12) and cold
Fan (14) is held to be connected, the air port of the air port of the first drainage air hose (8-1) and the second drainage air hose (8-2) is set to semiconductor system
Between the cold end and cold end fan (14) of cold (12)；Foreward/rearward rotation controller (15) is set to cold end fan (14) right edge,
Foreward/rearward rotation controller (15) is connected with cold end fan (14), foreward/rearward rotation controller (15) and positive and negative rotation ammeter (22) string
Connection, foreward/rearward rotation controller (15) and positive and negative rotation pressure regulator (23) are in parallel；
The hot junction of semiconductor chilling plate (12) is connected with one end of radiating fin (11), and hot junction fan (10) is affixed on radiating fin
The other end of piece (11)；First induction fan (9-1) is set to radiating fin (11) left side, and the second induction fan (9-2) is set
It is placed in radiating fin (11) right edge；Radiating fin (11) right edge be equipped with drainage controlling device (17), drainage switch (18) and
Power supply (19) is drained, drainage power supply (19) connects the first induction fan (9-1) and is connected with the second induction fan (9-2)；Radiating fin
Piece (11) left side is equipped with switch (4) and power supply (5), switchs and is equipped with ammeter (20) and pressure regulator between (4) and power supply (5)
(21), ammeter (20) and power supply (5) series connection, pressure regulator (21) and power supply (5) are in parallel, and power supply (5) connects semiconductor chilling plate
(12) and hot junction fan (10)；
Foreward/rearward rotation controller (15) includes rotating forward power supply (24-1), reversion power supply (24-2), positive rotation control apparatus (25-
1), reversal control device (25-2), rotating forward switch (26-1), reversal switch (26-2)；
Wherein positive rotation control apparatus (25-1), reversal control device (25-2) are separately connected temperature sensor (3), rotate forward control
Device (25-1) processed and rotating forward switch (26-1) are in parallel, and reversal control device (25-2) and reversal switch (26-2) are in parallel, rotate forward
It switchs (26-1) and rotates forward power supply (24-1) and connect, reversal switch (26-2) and reversion power supply (24-2) are connected, and power supply is rotated forward
(24-1) and reversion power supply (24-2) are in parallel, rotate forward power supply (24-1) and reversion power supply (24-2) is separately connected cold end fan
(14)。
A kind of semiconductor refrigerating hutch including cold end automatic defrosting device provided by the invention, it is characterised in that including
The following course of work：
When hutch (16) is cold storage plant, semiconductor chilling plate (12) is in running order, works as temperature sensor at this time
(3) 5 DEG C of temperature ＞, reversal switch (26-2) disconnect, and rotate forward switch (26-1) and are closed, and cold end fan (14), which starts, to be rotated forward, will be cold
Amount is transferred in hutch (16)；The hot junction of semiconductor chilling plate (12) generates heat, and hot junction fan (10) starts, and promotes outside case
Air exchanges heat with radiating fin (11)；
When hutch (16) is refrigerating plant, semiconductor chilling plate (12) is in running order, works as temperature sensor at this time
(3) ＞ -19 DEG C of temperature, reversal switch (26-2) disconnect, and rotate forward switch (26-1) and are closed, and cold end fan (14), which starts, to be rotated forward, will
Cold is transferred in hutch (16)；The hot junction of semiconductor chilling plate (12) generates heat, and hot junction fan (10) starts, and promotes case
Outer air exchanges heat with radiating fin (11)；
When hutch (16) is cold storage plant, semiconductor chilling plate (12) is in running order, works as temperature sensor at this time
(3) 5 DEG C of temperature ＜ rotate forward switch (26-1) and disconnect, and reversal switch (26-2) is closed, and cold end fan (14) starts reversion, cold end
Fan (14) is dried to semiconductor chilling plate (12) cold end, is defrosted to semiconductor chilling plate (12) cold end；
When hutch (16) is refrigerating plant, semiconductor chilling plate (12) is in running order, works as temperature sensor at this time
(3) ＜ -19 DEG C of temperature rotate forward switch (26-1) and disconnect, and reversal switch (26-2) is closed, and cold end fan (14) starts reversion, cold
It holds fan (14) to dry to semiconductor chilling plate (12) cold end, defrosts to semiconductor chilling plate (12) cold end, while draining switch
(18) it is closed, starts the first induction fan (9-1) and the second induction fan (9-2), by semiconductor chilling plate (12) hot junction hot wind
Semiconductor chilling plate (12) cold end is introduced, can effectively be defrosted to semiconductor chilling plate (12) cold end；
It is equipped with conduction cooling material (2) around hutch (16), can effectively be transmitted to semiconductor chilling plate (12) cold end cold
In hutch (16)；
It can be polyurethane or other thermal insulation materials, babinet that hutch (3) surrounding, which has thermal insulation material (17), thermal insulation material (17),
Material can be cold-rolled steel sheet.
Description of the drawings
Fig. 1 is a kind of semiconductor refrigerating hutch integral planar schematic diagram comprising cold end automatic defrosting device；
Label title in figure：1, thermal insulation material, 2, conduction cooling material, 3, temperature sensor, 4, switch, 5, power supply, 6, every
Thermosphere, 7, grid, 8-1, the first drainage air hose, 8-2, the second drainage air hose, 9-1, the first induction fan, 9-2, the second drainage wind
Fan, 10, hot junction fan, 11, radiating fin, 12, semiconductor chilling plate, 13, refrigeration case lid, 14, cold end fan, 15, positive and negative rotation
Control device, 16, hutch.
Fig. 2 is a kind of refrigeration case lid floor map of the semiconductor refrigerating hutch comprising cold end automatic defrosting device；
Label title in figure：1, thermal insulation material, 2, conduction cooling material, 4, switch, 5, power supply, 9-1, the first induction fan,
9-2, the second induction fan, 10, hot junction fan, 11, radiating fin, 17, drainage controlling device, 18, drainage switch, 19, drainage
Power supply, 20, ammeter, 21, pressure regulator.
Fig. 3 is a kind of semiconductor refrigerating hutch conduction cooling fan foreward/rearward rotation controller comprising cold end automatic defrosting device
15 floor map；
Label title in figure：14, cold end fan, 22, positive and negative rotation ammeter, 23, positive and negative rotation pressure regulator, 24-1, rotating forward
26-1, power supply, 24-2, reversion power supply, 25-1, positive rotation control apparatus, 25-2, reversal control device rotate forward switch, 26-2, anti-
Turn on pass.
Fig. 4 is a kind of work flow diagram of the semiconductor refrigerating hutch comprising cold end automatic defrosting device.
Specific implementation mode
Fig. 1 is a kind of semiconductor refrigerating hutch overall structure diagram comprising cold end automatic defrosting device, the refrigeration
The specific implementation mode of hutch is as follows：
When needing to freeze fresh meat, seafood in hutch (16), semiconductor chilling plate (12) powers on, semiconductor
Cooling piece (12) is in running order, and when ＞ -19 DEG C of temperature sensor (3) temperature, reversal switch (26-2) disconnects, and rotates forward switch
(26-1) is closed, and cold end fan (14), which starts, to be rotated forward, and cold is transferred in hutch (16), the heat of semiconductor chilling plate (12)
End generates heat, and hot junction fan (10) starts, and the outer air of case is promoted to exchange heat with radiating fin (11)；When temperature sensor (3) temperature
＜ -19 DEG C of degree rotates forward switch (26-1) and disconnects, and reversal switch (26-2) is closed, and cold end fan (14) starts reversion, cold end fan
(14) it dries, defrosts to semiconductor chilling plate (12) cold end, while draining switch (18) and closing to semiconductor chilling plate (12) cold end
It closes, starts the first induction fan (9-1) and the second induction fan (9-2), semiconductor chilling plate (12) hot junction hot wind is introduced half
Conductor cooling piece (12) cold end can effectively defrost to semiconductor chilling plate (12) cold end.
When needing cold-storage water fruits and vegetables in hutch (16), semiconductor chilling plate (12) powers on, semiconductor refrigerating
Piece (12) is in running order, and as 5 DEG C of temperature sensor (3) temperature ＞, reversal switch (26-2) disconnects, and rotates forward switch (26-1)
It is closed, cold end fan (14), which starts, to be rotated forward, and cold is transferred in hutch (16), and the hot junction of semiconductor chilling plate (12) generates
Heat, hot junction fan (10) start, and the outer air of case is promoted to exchange heat with radiating fin (11), the hot junction production of semiconductor chilling plate (12)
Heat amount, fan (10) start, and the outer air of case is promoted to exchange heat with radiating fin (11)；As 5 DEG C of temperature sensor (3) temperature ＜,
It rotates forward switch (26-1) to disconnect, reversal switch (26-2) is closed, and cold end fan (14) starts reversion, and cold end fan (14) is to partly leading
Body cooling piece (12) cold end is dried, and is defrosted to semiconductor chilling plate (12) cold end.
Claims (6)
1. a kind of semiconductor refrigerating hutch including cold end automatic defrosting device, it is characterised in that including thermal insulation material (1), lead
Cold material (2), temperature sensor (3), switch (4), power supply (5), thermal insulation layer (6), grid (7), first drainage air hose (8-1),
Second drainage air hose (8-2), the first induction fan (9-1), the second induction fan (9-2), hot junction fan (10), radiating fin
(11), semiconductor chilling plate (12), refrigeration case lid (13), cold end fan (14), foreward/rearward rotation controller (15), hutch
(16), drainage controlling device (17), drainage switch (18), drainage power supply (19), ammeter (20), pressure regulator (21), positive and negative rotation
Ammeter (22), positive and negative rotation pressure regulator (23), rotate forward power supply (24-1), reversion power supply (24-2), positive rotation control apparatus (25-1),
Reversal control device (25-2) rotates forward switch (26-1), reversal switch (26-2)；
Wherein hutch (16) left side is equipped with temperature sensor (3), and six faces are equipped with conduction cooling material around hutch (16)
(2), refrigeration case lid (13) is equipped at the top of hutch (16), refrigeration case lid (13) center is equipped with two panels semiconductor chilling plate
(12) and one layer of thermal insulation layer (6), the case lid (13) that will freeze are divided into two parts up and down, two panels semiconductor chilling plate (12) cold end direction
Downside, towards upside, refrigeration case lid (13) top surface is grid (7) in hot junction；
The cold end and box house of semiconductor chilling plate (12) are not directly contacted with, the cold end and cold end wind of semiconductor chilling plate (12)
It fans (14) to be connected, the air port of the air port of the first drainage air hose (8-1) and the second drainage air hose (8-2) is set to semiconductor chilling plate
(12) between cold end and cold end fan (14)；Foreward/rearward rotation controller (15) is set to cold end fan (14) right edge, positive and negative
Rotation control apparatus (15) is connected with cold end fan (14), foreward/rearward rotation controller (15) and positive and negative rotation ammeter (22) series connection, just
Reversal control device (15) and positive and negative rotation pressure regulator (23) are in parallel；
The hot junction of semiconductor chilling plate (12) is connected with one end of radiating fin (11), and hot junction fan (10) is affixed on radiating fin
(11) the other end；First induction fan (9-1) is set to radiating fin (11) left side, the second induction fan (9-2) setting
In radiating fin (11) right edge；Radiating fin (11) right edge is equipped with drainage controlling device (17), drainage switch (18) and draws
Galvanic electricity source (19), drainage power supply (19) connect the first induction fan (9-1) and are connected with the second induction fan (9-2)；Radiating fin
(11) left side is equipped with switch (4) and power supply (5), switchs and is equipped with ammeter (20) and pressure regulator between (4) and power supply (5)
(21), ammeter (20) and power supply (5) series connection, pressure regulator (21) and power supply (5) are in parallel, and power supply (5) connects semiconductor chilling plate
(12) and hot junction fan (10).
2. a kind of semiconductor refrigerating hutch including cold end automatic defrosting device according to claim 1, feature exist
In：
Foreward/rearward rotation controller (15) includes rotating forward power supply (24-1), reversion power supply (24-2), positive rotation control apparatus (25-1), anti-
Rotation control apparatus (25-2) rotates forward switch (26-1), reversal switch (26-2)；
Wherein positive rotation control apparatus (25-1), reversal control device (25-2) are separately connected temperature sensor (3), rotate forward control dress
It sets (25-1) and rotates forward switch (26-1) parallel connection, reversal control device (25-2) and reversal switch (26-2) are in parallel, rotate forward switch
(26-1) and power supply (24-1) series connection is rotated forward, reversal switch (26-2) and reversion power supply (24-2) are connected, and power supply (24-1) is rotated forward
It is in parallel with reversion power supply (24-2), it rotates forward power supply (24-1) and reversion power supply (24-2) is separately connected cold end fan (14).
3. a kind of semiconductor refrigerating hutch including cold end automatic defrosting device according to claim 1, feature exist
In：
When hutch (16) is cold storage plant, semiconductor chilling plate (12) is in running order, at this time when temperature sensor (3) temperature
5 DEG C of ＞ is spent, reversal switch (26-2) disconnects, and rotates forward switch (26-1) and is closed, and cold end fan (14), which starts, to be rotated forward, and cold is transmitted
In to hutch (16)；The hot junction of semiconductor chilling plate (12) generates heat, and hot junction fan (10) starts, promote the outer air of case with
Radiating fin (11) exchanges heat；
When hutch (16) is refrigerating plant, semiconductor chilling plate (12) is in running order, at this time when temperature sensor (3) temperature
＞ -19 DEG C of degree, reversal switch (26-2) disconnect, and rotate forward switch (26-1) and are closed, and cold end fan (14), which starts, to be rotated forward, and cold is passed
It is handed in hutch (16)；The hot junction of semiconductor chilling plate (12) generates heat, and hot junction fan (10) starts, and promotes the outer air of case
It exchanges heat with radiating fin (11).
4. a kind of semiconductor refrigerating hutch including cold end automatic defrosting device according to claim 1, feature exist
In：
When hutch (16) is cold storage plant, semiconductor chilling plate (12) is in running order, at this time when temperature sensor (3) temperature
5 DEG C of ＜ is spent, switch (26-1) is rotated forward and disconnects, reversal switch (26-2) is closed, and cold end fan (14) starts reversion, cold end fan
(14) it dries to semiconductor chilling plate (12) cold end, defrosts to semiconductor chilling plate (12) cold end；
When hutch (16) is refrigerating plant, semiconductor chilling plate (12) is in running order, at this time when temperature sensor (3) temperature
＜ -19 DEG C of degree rotates forward switch (26-1) and disconnects, and reversal switch (26-2) is closed, and cold end fan (14) starts reversion, cold end fan
(14) it dries, defrosts to semiconductor chilling plate (12) cold end, while draining switch (18) and closing to semiconductor chilling plate (12) cold end
It closes, starts the first induction fan (9-1) and the second induction fan (9-2), semiconductor chilling plate (12) hot junction hot wind is introduced half
Conductor cooling piece (12) cold end can effectively defrost to semiconductor chilling plate (12) cold end.
5. a kind of semiconductor refrigerating hutch including cold end automatic defrosting device according to claim 1, feature exist
In：
It is equipped with conduction cooling material (2) around hutch (16), can semiconductor chilling plate (12) cold end cold be effectively transmitted to storage
In case (16).
6. a kind of semiconductor refrigerating hutch including cold end automatic defrosting device according to claim 1, feature exist
In：
It can be polyurethane or other thermal insulation materials, tank material that hutch (3) surrounding, which has thermal insulation material (17), thermal insulation material (17),
It can be cold-rolled steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810470626.7A CN108592476A (en) | 2018-05-11 | 2018-05-11 | A kind of semiconductor refrigerating hutch including cold end automatic defrosting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109945581A (en) * | 2019-04-22 | 2019-06-28 | 南京工业大学 | It is a kind of for the controllable refrigerating capacity of cold chain transportation and the semiconductor refrigerating hutch of air quantity |
| CN110486983A (en) * | 2019-07-25 | 2019-11-22 | 中国科学院广州能源研究所 | A kind of controllable temperature semiconductor damp-proof moisture removing apparatus |
| CN112178974A (en) * | 2020-09-07 | 2021-01-05 | 英诺维尔智能科技（苏州）有限公司 | Refrigerator suitable for full-automatic biological medicine production based on semiconductor refrigeration piece |
| CN114061207A (en) * | 2020-08-04 | 2022-02-18 | 合肥华凌股份有限公司 | Refrigerator, control method of refrigerator, and computer-readable storage medium |
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