CN205655568U - Low temperature forced air cooling refrigerating system and low temperature forced air cooling refrigerator, low temperature forced air cooling freezer with electric heat and white function of steam mixtureization - Google Patents
Low temperature forced air cooling refrigerating system and low temperature forced air cooling refrigerator, low temperature forced air cooling freezer with electric heat and white function of steam mixtureization Download PDFInfo
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- CN205655568U CN205655568U CN201620259755.8U CN201620259755U CN205655568U CN 205655568 U CN205655568 U CN 205655568U CN 201620259755 U CN201620259755 U CN 201620259755U CN 205655568 U CN205655568 U CN 205655568U
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
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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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
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- 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 utility model relates to a low temperature forced air cooling refrigerating system who has electric heat and the white function of steam mixtureization, including the evaporimeter, the evaporimeter is equipped with the evaporation fan, and it still includes electric heater and water collector, the water collector is located the below of evaporimeter, and electric heater is located the water collector. The utility model discloses still relate to the low temperature forced air cooling refrigerator, the low temperature forced air cooling freezer that are equipped with this low temperature forced air cooling refrigerating system. The utility model has the advantages of it is clean, quick to change the frost, does not remain ice or water, resumes refrigeration cycle fast, to refrigerator storage temperature's influence during the reductionization frost, belong to a refrigerating system technical field.
Description
Technical field
This utility model relates to a kind of refrigeration system, specifically, relates to one and mixes with electric heating and steam
The low-temperature air-cooling refrigeration system of defrosting function, and equipped with this low-temperature air-cooling refrigeration system low-temperature air-cooling refrigerator,
Low-temperature air-cooling refrigerator.
Background technology
In cryogenic refrigerator or freezer, it is commonly encountered and affects refrigeration because of evaporimeter frosting.For solving evaporation
Device frosting problem, conventional steam defrost, or the mode of electricity-heated defrosting.
In the refrigeration system with steam defrost, the high-temperature high-pressure refrigerant steam pair discharged by compressor
Frost heating on vaporizer, frost is melted after heated, is come off, it is achieved defrosting function.But this defrost side
The limitation of formula is, owing to attachment ice on an evaporator starts, from attachment surface, thawing of being heated, when whole
The attachment surface of ice cube just loses adhesive force after melting, and comes off from vaporizer, the ice cube melted the most completely without
Method is discharged from the discharge pipe line of refrigerator or freezer, causes drain pipe to block, affects the normal work of refrigerator or freezer
Make；
In the refrigeration system with electricity-heated defrosting, by electrically heated mode, the frost on vaporizer is melted
Change, it is achieved defrosting function.The limitation of this defrost mode is, electric heater is only capable of adding vaporizer local
Heat, causes heating uneven, it is difficult to melt clean by the frost on vaporizer, the most merely by electric heating by Low-temperature Ice
Melt energy consumption big, require the strictest today in low energy consumption, it is clear that outdated.
Utility model content
For technical problem present in prior art, the purpose of this utility model is: provide one by electricity
Heat and steam combine can easily realize complete defrost with electric heating and the low warm air of steam mixing defrosting function
Cold refrigeration system.
Another purpose of the present utility model is to provide a kind of equipped with electric heating and steam mixing defrosting function
The low-temperature air-cooling refrigerator of low energy consumption of low-temperature air-cooling refrigeration system, low-temperature air-cooling refrigerator.
In order to achieve the above object, this utility model adopts the following technical scheme that
A kind of with electric heating with the low-temperature air-cooling refrigeration system of steam mixing defrosting function, including vaporizer, steam
Sending out device and be provided with evaporation fan, it also includes electric heater and drip tray；Drip tray is positioned at the lower section of vaporizer,
Electric heater is positioned at drip tray.Electric heater only opens when low-temperature air-cooling refrigeration system is in defrost pattern
Dynamic.
Preferred as one, drip tray includes base plate and side plate, and electric heater is fixed in drip tray.
Preferred as one, drip tray is connected to drain pipe.By drain pipe, frost water is drained, residual without hydrops
Stay.
Preferred as one, electric heater is horizontally disposed waveform electric heating tube.
Preferred as one, evaporation fan is arranged on the side of vaporizer, with the wind deflector doubling as vaporizer
Drip tray is against setting.Drip tray is applied not only to catch the water dripped on vaporizer, and is discharged by water, the most double
Wind deflector as vaporizer.
Preferred as one, a kind of with electric heating with the low-temperature air-cooling refrigeration system of steam mixing defrosting function,
It also includes compressor, hot gas bypass valve, condenser, device for drying and filtering, throttling arrangement；Condenser is provided with
Condensation fan；Hot gas bypass valve is provided with entrance A, outlet B, outlet C；By the outlet of compressor and steam
The entrance A of logical valve is divided into two-way after connecting, and a road is from the beginning of the outlet B of hot gas bypass valve, successively with cold
Condenser, device for drying and filtering, throttling arrangement connect, then connect with the entrance of vaporizer, and another road is by steam
The outlet C of logical valve directly connects with the entrance of vaporizer, and the outlet of vaporizer connects with the entrance of compressor.
Preferred as one, hot gas bypass valve is three-way valve, when refrigeration mode, and entrance A and outlet B
Connecting and entrance A and outlet C disconnection, when defrost pattern, entrance A disconnects and entrance A with exporting B
Connect with outlet C.During refrigeration mode, cold-producing medium is discharged from the exhaustor of compressor, passes sequentially through by steam
Logical valve, condenser, device for drying and filtering, throttling arrangement, vaporizer, eventually pass back in compressor.In refrigeration
In pattern, electric heater does not works, and remaining part normally works.When defrost pattern, cold-producing medium is from compression
The exhaustor of machine is discharged, and passes sequentially through hot gas bypass valve, vaporizer, returns in compressor.In defrost pattern
Middle evaporation fan does not works, compressor and electric heater work.
Preferred as one, the power of electric heater is 1 to 2 times of the specified refrigerating capacity of compressor.
A kind of low-temperature air-cooling refrigerator, equipped with a kind of with electric heating with the low-temperature air-cooling system of steam mixing defrosting function
Cooling system.
A kind of low-temperature air-cooling refrigerator, equipped with a kind of with electric heating with the low-temperature air-cooling system of steam mixing defrosting function
Cooling system.
Generally speaking, this utility model has the advantage that
1., when defrost pattern starts, the high-temperature high-pressure refrigerant steam discharged from compressor is passed directly into evaporation
In device, each position making vaporizer is heated, can be removed by the ice condensed on an evaporator completely.Change
Frost is quickly, totally.
2. falling into the ice in water pond, aqueous mixtures from vaporizer, be electrically heated device heating, ice therein melts
After change, discharge from drain pipe, noresidue.
3. more rapid, clean, energy-conservation relative to electrical heating defrost mode, electric heating and steam mixing defrost.
4., relative to steam defrost mode, electric heating and steam mixing defrost can be discharged after being melted completely by ice, nothing
Residual ice or water are in refrigerator or refrigerator.
5. can quick-recovery kind of refrigeration cycle soon, impact on refrigerated storage temperature when reducing defrost.
Accompanying drawing explanation
Fig. 1 is a kind of with electric heating with the schematic diagram of the low-temperature air-cooling refrigeration system of steam mixing defrosting function.
Fig. 2 is that a kind of low-temperature air-cooling refrigeration system with electric heating and steam mixing defrosting function is arranged on low temperature
Structural representation in air-cooled freezer.
Fig. 3 is a kind of with electric heating with the explosive view of the low-temperature air-cooling refrigeration system of steam mixing defrosting function.
Wherein, 1 it is compressor, 2 is hot gas bypass valve, 3 is condenser, 4 is condensation fan, 5 is dry
Dry filter, 6 be throttling arrangement, 7 for evaporation fan, 8 for electric heater, 9 for drip tray, 10 for steam
Send out device.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Embodiment one
A kind of low-temperature air-cooling refrigeration system with electric heating and steam mixing defrosting function includes: compressor, heat
Gas bypass valve, condenser, device for drying and filtering, throttling arrangement, vaporizer, electric heater, drip tray.Cold
Condenser is provided with condensation fan, and vaporizer is provided with evaporation fan.
Hot gas bypass valve is three-way valve, is provided with entrance A, outlet B, outlet C.The outlet of compressor and heat
The entrance A of gas bypass valve is divided into two-way after connecting, and a road is from the beginning of the outlet B of hot gas bypass valve, successively
Connect with condenser, device for drying and filtering, throttling arrangement, then connect with the entrance of vaporizer, another Lu Weire
The outlet C of gas bypass valve directly connects with the entrance of vaporizer, the entrance phase of the outlet of vaporizer and compressor
Connect.
Electric heater is positioned at the lower section of vaporizer and arranges against vaporizer, and drip tray is positioned under electric heater
Side.Drip tray includes base plate and side plate, and electric heater is placed in drip tray.Drain pipe it is connected on drip tray.
Electric heater is horizontally disposed waveform electric heating tube, is the ripple of the most end to end formation of multistage U-shaped
Shape wave.The side being arranged on vaporizer that evaporation fan tilts, with the drip tray of the wind deflector doubling as vaporizer
Against setting.
When low-temperature air-cooling refrigeration system enters defrost pattern, entrance A and outlet B disconnects and entrance A and going out
Mouth C connection, compressor and electric heater startup, evaporation fan stops.Discharge from the exhaustor of compressor
High-temperature high-pressure refrigerant steam is directly over hot gas bypass valve and is passed through in vaporizer, the refrigeration pipe to vaporizer
Heating.Condense ice heat on an evaporator gradually to melt, and come off, fall into and be arranged on base of evaporator
In drip tray, heated by the electric heater in drip tray again, until after melting completely, via drip tray draining
Mouth is hung up.Steam and electric heating start simultaneously, to the ice heating condensed on an evaporator, melt, quick, high
Imitate defrost process.
A kind of closed circuit with electric heating and the low-temperature air-cooling refrigeration system of steam mixing defrosting function is: pressure
The exhaustor of contracting machine connects with the entrance A of hot gas bypass valve, the outlet B of hot gas bypass valve and condenser
Entrance connects, and the outlet of condenser connects with the entrance of device for drying and filtering, the outlet of device for drying and filtering and throttling
The entrance of device connects, and the outlet of throttling arrangement connects with the entrance of vaporizer, the entrance of vaporizer simultaneously with
The outlet C of hot gas bypass valve connects, and the outlet of vaporizer connects with the muffler of compressor.
Refrigeration mode is: the entrance A of hot gas bypass valve and outlet B connects and entrance A and outlet C disconnects.
Cold-producing medium is discharged from the exhaustor of compressor, pass sequentially through hot gas bypass valve, condenser, device for drying and filtering,
Throttling arrangement, vaporizer, eventually pass back in compressor.
In refrigeration mode, electric heater does not works, and remaining part normally works.
Defrost pattern is: the entrance A of hot gas bypass valve and outlet B disconnects and entrance A connects with outlet C.
Cold-producing medium is discharged from the exhaustor of compressor and is passed sequentially through hot gas bypass valve, vaporizer, returns in compressor.
In defrost pattern, evaporation fan does not works, compressor and electric heater work.
Embodiment two
A kind of low-temperature air-cooling refrigerator, equipped with a kind of with electric heating with the low-temperature air-cooling system of steam mixing defrosting function
Cooling system, each building block type selecting is:
Refrigerator is 500L-22 DEG C of air-cooled vertical freezer, depth of foam 60mm；
Vaporizer is 4 row 10 row's Φ 10 × 300mm copper pipe fin type heat exchangers；
Condenser is 3 row 10 row's Φ 10 × 300mm copper pipe fin type heat exchangers；
Compressor is the totally enclosed type piston compressor of 10 milliliters of discharge capacities；
Condensation fan air quantity 500m3/h；
Evaporation fan air quantity 120m3/h；
Throttling arrangement is internal diameter 1.0 millimeters, the capillary tube that length is 4000 millimeters；
Electric heater is 300W.
In the present embodiment, not mentioned part is with embodiment one.
Embodiment three
A kind of low-temperature air-cooling refrigerator, equipped with a kind of with electric heating with the low-temperature air-cooling system of steam mixing defrosting function
Cooling system, each building block type selecting is:
Refrigerator is 1000L-22 DEG C of air-cooled vertical freezer, depth of foam 60mm；
Vaporizer is 4 row 10 row's Φ 10 × 650mm copper pipe fin type heat exchangers；
Condenser is 3 row 12 row's Φ 10 × 350mm copper pipe fin type heat exchangers；
Compressor is the totally enclosed type piston compressor of 18 milliliters of discharge capacities；
Condensation fan air quantity 1000m3/h；
Evaporation fan air quantity 190m3/h；
Throttling arrangement is internal diameter 1.2 millimeters, the capillary tube that length is 4000 millimeters；
Electric heater is 500W.
In the present embodiment, not mentioned part is with embodiment one.
This utility model uses electric heating and steam mixing defrost mode, reaches quick, clean, energy-conservation defrost
Effect, it is critical only that distributing rationally of systematic parameter, such as the refrigerating capacity of refrigeration system, and the power of electric heater,
The defrost cycle, the defrost time.Avoid that electricity-heated defrosting energy consumption is high, defrost is clean, defrost time length and steam
The problem that defrost draining is difficult.
Above-described embodiment is utility model preferably embodiment, but embodiment of the present utility model is not subject to
The restriction of above-described embodiment, other any without departing from being made under spirit of the present utility model and principle
Change, modify, substitute, combine, simplify, all should be the substitute mode of equivalence, be included in this practicality new
Within the protection domain of type.
Claims (10)
1., with electric heating and a low-temperature air-cooling refrigeration system for steam mixing defrosting function, including compressor, vaporizer, vaporizer is provided with evaporation fan, it is characterised in that: it also includes electric heater and drip tray；Drip tray is positioned at the lower section of vaporizer, and electric heater is positioned at drip tray；In defrost pattern, evaporation fan does not works, and compressor and electric heater work, the high-temperature high-pressure refrigerant steam discharged from the exhaustor of compressor is passed through vaporizer.
2. according to a kind of described in claim 1 with electric heating with the low-temperature air-cooling refrigeration system of steam mixing defrosting function, it is characterised in that: described drip tray includes base plate and side plate, and electric heater is fixed in drip tray.
3. according to a kind of described in claim 1 with electric heating with the low-temperature air-cooling refrigeration system of steam mixing defrosting function, it is characterised in that: it is connected to drain pipe on described drip tray.
4. according to a kind of described in claim 1 with electric heating with the low-temperature air-cooling refrigeration system of steam mixing defrosting function, it is characterised in that: described electric heater is horizontally disposed waveform electric heating tube.
5. according to a kind of described in claim 2 with electric heating with the low-temperature air-cooling refrigeration system of steam mixing defrosting function, it is characterised in that: described evaporation fan is arranged on the side of vaporizer, and doubles as the drip tray of wind deflector of vaporizer against setting.
6. according to a kind of described in claim 1 with electric heating with the low-temperature air-cooling refrigeration system of steam mixing defrosting function, it is characterised in that: it also includes compressor, hot gas bypass valve, condenser, device for drying and filtering, throttling arrangement；Condenser is provided with condensation fan；Hot gas bypass valve is provided with entrance A, outlet B, outlet C；The outlet of compressor is divided into two-way after connecting with the entrance A of hot gas bypass valve, one tunnel is from the beginning of the outlet B of hot gas bypass valve, connect with condenser, device for drying and filtering, throttling arrangement successively, connect with the entrance of vaporizer again, another road is that the outlet C of hot gas bypass valve directly connects with the entrance of vaporizer, and the outlet of vaporizer connects with the entrance of compressor.
7. according to a kind of described in claim 6 with electric heating with the low-temperature air-cooling refrigeration system of steam mixing defrosting function, it is characterized in that: described hot gas bypass valve is three-way valve, when refrigeration mode, entrance A and outlet B connects and entrance A and outlet C disconnects, when defrost pattern, entrance A and outlet B disconnects and entrance A connects with outlet C.
8. according to a kind of described in claim 6 with electric heating with the low-temperature air-cooling refrigeration system of steam mixing defrosting function, it is characterised in that: the power of described electric heater is 1 to 2 times of the specified refrigerating capacity of compressor.
9. a low-temperature air-cooling refrigerator, it is characterised in that: equipped with a kind of according to any one of claim 1-8 with electric heating with the low-temperature air-cooling refrigeration system of steam mixing defrosting function.
10. a low-temperature air-cooling refrigerator, it is characterised in that: equipped with a kind of according to any one of claim 1-8 with electric heating with the low-temperature air-cooling refrigeration system of steam mixing defrosting function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620259755.8U CN205655568U (en) | 2016-03-31 | 2016-03-31 | Low temperature forced air cooling refrigerating system and low temperature forced air cooling refrigerator, low temperature forced air cooling freezer with electric heat and white function of steam mixtureization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620259755.8U CN205655568U (en) | 2016-03-31 | 2016-03-31 | Low temperature forced air cooling refrigerating system and low temperature forced air cooling refrigerator, low temperature forced air cooling freezer with electric heat and white function of steam mixtureization |
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| Publication Number | Publication Date |
|---|---|
| CN205655568U true CN205655568U (en) | 2016-10-19 |
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| CN201620259755.8U Active CN205655568U (en) | 2016-03-31 | 2016-03-31 | Low temperature forced air cooling refrigerating system and low temperature forced air cooling refrigerator, low temperature forced air cooling freezer with electric heat and white function of steam mixtureization |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839609A (en) * | 2017-04-06 | 2017-06-13 | 深圳市傲天医疗智能系统有限公司 | Medical refrigerator-freezer defrosting device |
| CN107062741A (en) * | 2017-05-11 | 2017-08-18 | 罗优才 | A kind of constant temperature and humidity refrigerator with sterilizing function |
| CN107917562A (en) * | 2017-11-22 | 2018-04-17 | 广州芯康医疗科技有限公司 | Hot gas and electric heating mixing defrosting system and method for low-temperature air-cooling refrigeration system |
| CN110940138A (en) * | 2019-12-09 | 2020-03-31 | 珠海格力电器股份有限公司 | Refrigerator defrosting control method and refrigerator |
| EP4083547A4 (en) * | 2019-12-26 | 2023-02-22 | Qingdao Haier Refrigerator Co., Ltd | Refrigerator |
-
2016
- 2016-03-31 CN CN201620259755.8U patent/CN205655568U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839609A (en) * | 2017-04-06 | 2017-06-13 | 深圳市傲天医疗智能系统有限公司 | Medical refrigerator-freezer defrosting device |
| CN107062741A (en) * | 2017-05-11 | 2017-08-18 | 罗优才 | A kind of constant temperature and humidity refrigerator with sterilizing function |
| CN107917562A (en) * | 2017-11-22 | 2018-04-17 | 广州芯康医疗科技有限公司 | Hot gas and electric heating mixing defrosting system and method for low-temperature air-cooling refrigeration system |
| CN110940138A (en) * | 2019-12-09 | 2020-03-31 | 珠海格力电器股份有限公司 | Refrigerator defrosting control method and refrigerator |
| EP4083547A4 (en) * | 2019-12-26 | 2023-02-22 | Qingdao Haier Refrigerator Co., Ltd | Refrigerator |
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