CN110513928A - A kind of air heat source pump defroster and method - Google Patents
A kind of air heat source pump defroster and method Download PDFInfo
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- CN110513928A CN110513928A CN201910869950.0A CN201910869950A CN110513928A CN 110513928 A CN110513928 A CN 110513928A CN 201910869950 A CN201910869950 A CN 201910869950A CN 110513928 A CN110513928 A CN 110513928A
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- evaporator
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- heating apparatus
- auxiliary heating
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
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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
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Defrosting Systems (AREA)
Abstract
The invention discloses a kind of air heat source pump defroster and methods, belong to air heat source pump technical field.A kind of air heat source pump defroster, including compressor, water cooled condenser, evaporator, first throttle valve, electric motor fan, the compressor, water cooled condenser, first throttle valve, evaporator is sequentially connected, the electric motor fan matches with evaporator, it further include auxiliary heating apparatus, overheat device for storing liquid, the water cooled condenser is equipped with water inlet, water outlet, the overheat device for storing liquid is connected with water cooled condenser, the overheat device for storing liquid is connected with evaporator by second throttle, the auxiliary heating apparatus is between water cooled condenser and evaporator, the first throttle valve, second throttle, evaporator matches with auxiliary heating apparatus；The frost on evaporator that the present invention can pump air heat source prevents and removes, and prevention and elimination effect are good, improve efficient, the stable operation of whole system.
Description
Technical field
The present invention relates to air heat source pump technical field more particularly to a kind of air heat source pump defroster and methods.
Background technique
Air source heat pump is one kind of heat pump techniques, there is the good reputation of " porter of the Nature energy ", has use cost
The multiple advantage such as low, easy to operate, good heating effect, safety, clean, air source heat pump are moved using the energy in air as main
Power realizes the transfer of energy by a small amount of electrical energy drive compressor operation, without complicated configuration, expensive water intaking, recharge or
Person's soil heat exchange system and Special machine room can gradually reduce traditional heating and give atmospheric environment bring a large amount of pollutant emissions,
Guarantee to realize energy-saving and environment-friendly purpose while heating effect.
Air heat source pumps the conversion that temperature is mainly realized by refrigerant, and refrigerant is influenced to compare by ambient temperature
Greatly, it is reduced with the reduction of environment temperature；Such as when environment temperature is at 0 DEG C or so, it is easiest to frosting, at this moment refrigerant passes through water
After condenser condensation, the temperature of refrigerant enters in evaporator after throttling set throttles and evaporates at 30 degree or so；After throttling
Low-temp low-pressure coolant quantity it is insufficient, lead to evaporimeter frosting.
Since frosting, efficiency begins to reduce air heat source pump assembly at present, until unit defrosting terminates, when continuing
Between account about 50% time of whole cycle, wherein the time of Frost formation process, that is, efficiency decline time 30%, defrosting time account for
20% time, that is the state for thering is the time of half to be in efficiency decline, even stop working in each period, serious shadow
Ring the stability and energy saving of unit.
Summary of the invention
The purpose of the present invention is to solve the problems mentioned above in the background art, and a kind of air heat source pump proposed
Defroster and method.
To achieve the goals above, present invention employs following technical solutions:
A kind of air heat source pump defroster, including compressor, water cooled condenser, evaporator, first throttle valve, motor wind
Fan, the compressor, water cooled condenser, first throttle valve, evaporator are sequentially connected, the electric motor fan and evaporator phase
Match, further include auxiliary heating apparatus, overheat device for storing liquid, the water cooled condenser is equipped with water inlet, water outlet, the overheat liquid storage
Device is connected with water cooled condenser, and the overheat device for storing liquid is connected with evaporator by second throttle, the auxiliary heating apparatus
Between water cooled condenser and evaporator, the first throttle valve, second throttle, evaporator with auxiliary heating apparatus phase
Match.
Preferably, the auxiliary heating apparatus includes fan part, auxiliary heater, air outlet, the air outlet of the auxiliary heating apparatus and
One throttle valve, second throttle, evaporator match.
Preferably, collet is cased on the overheat device for storing liquid.
A kind of air heat source pump Defrost method, comprising the following steps:
S1, air heat source pump assembly is opened；
S2, temperature detection is carried out by thermo detector；
S3, control auxiliary heating apparatus open or close；
S4, control second throttle open or close；
S5, defrosting is completed.
Preferably, the range of temperature detection includes auxiliary heating apparatus, first throttle valve, second throttle, evaporator in step S2,
And judge whether temperature is higher than 50 DEG C.
Preferably, auxiliary heating apparatus opening and closing are controlled in step S3 to mainly comprise the steps that
A, temperature is not less than 50 DEG C, if opening auxiliary heating apparatus at this time, evaporator frost-free, temperature continues to increase, can pre- vaporization prevention
Device frosting；If not opening auxiliary heating apparatus, carry out at any time, temperature-resistant or temperature reduces；
B, temperature is lower than 50 DEG C, and evaporimeter frosting opens auxiliary heating apparatus at this time, and temperature increases, and auxiliary heating apparatus carries out evaporator at this time
Defrosting, if not opening auxiliary heating apparatus, temperature continues to reduce, and opens auxiliary heating apparatus at this time and defrosts to evaporator.
Preferably, second throttle is opened or closed and is mainly comprised the steps that in step S4
C, temperature is not less than 50 DEG C, and second throttle is closed at this time, evaporator frost-free；
D, temperature be lower than 50 DEG C, if at this time open second throttle, by second throttle can pre- preventing frosting of evaporator, if not
Second throttle is opened, temperature reduces, evaporimeter frosting.
Preferably, in step a when the temperature decreases, step b or d are repeated.
Preferably, in step d when evaporimeter frosting, temperature is reduced, and repeats step b.
Compared with prior art, the present invention provides a kind of air heat source pump defroster and method, have following beneficial
Effect:
1, air heat source pump defroster and method, user is when opening air heat source pump assembly, compressor operating discharge
High temperature and high pressure gas refrigerant, become the liquid refrigerants of high pressure medium temperature, this process after water cooled condenser condensation heat dissipation
By the water heating in water cooled condenser, water cooled condenser is equipped with water inlet, water outlet constitutes closed circuit, refrigerant condensation
Become the liquid refrigerants of low-temp low-pressure after entering first throttle valve reducing pressure by regulating flow afterwards, it is low to become low temperature into evaporator evaporation endothermic
Then the gaseous coolant of pressure turns again to compressor and is compressed, complete a complete heating circulation；
The temperature around auxiliary heating apparatus, first throttle valve, second throttle, evaporator is examined by thermo detector in the process
It surveys, and judges whether temperature is higher than 50 DEG C；
When temperature is not less than 50 DEG C, second throttle is not opened, and second throttle is electric expansion valve, will not influence temperature at this time
The variation of degree；
If opening auxiliary heating apparatus, auxiliary heater, fan part are started to work, and the heat that fan part generates auxiliary heater is by going out
Air port is blown into air environment, and temperature increases, and can prevent temperature reduction, the frosting of evaporator；
If not opening auxiliary heating apparatus, temperature-resistant or temperature is reduced, temperature-resistant around evaporator when temperature-resistant, this
When evaporator on frost-free, if temperature reduce, be lower than 50 DEG C, carry out next step；
When temperature is lower than 50 DEG C, if opening second throttle, the refrigerant overheated in device for storing liquid is entered by second throttle
Into evaporator, the refrigerant in evaporator is supplemented, overheat device for storing liquid is equipped with heat insulating mattress, can prevent overheat liquid storage
Temperature change in device, and then can prevent or remove the frost on evaporator；
If not opening second throttle, the temperature of evaporator is reduced at this time, and temperature is still lower than 50 DEG C, then carries out next step；
If opening auxiliary heating apparatus, auxiliary heating apparatus improves the temperature of evaporator, carries out defrosting operation to evaporator；
If not opening auxiliary heating apparatus, the temperature on evaporator can be made to reduce, evaporator remains unchanged frosting, at this time repeatedly previous step, i.e.,
Auxiliary heating apparatus is opened, defrosting operation is carried out to evaporator；
The device by increasing auxiliary heating apparatus, can pre- preventing frosting of evaporator, while in frosting can quick defrost, when defrost
Between can shorten 70% or so, and the water after defrost can be blown off by the wind-force that auxiliary heating apparatus generates, to the evaporation wing of evaporator
Piece carries out cleaner drying；Device for storing liquid is overheated by addition, the refrigerant in evaporator can be supplemented, while auxiliary heating apparatus
The temperature that can change evaporator can control the speed of the refrigerant of the exclusion of overheat device for storing liquid, and then can pre- vaporization prevention
Device frosting, and then improve efficient, the stable operation of whole system.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the present invention can
Frost on evaporator on air heat source pump is prevented and removed, prevention and elimination effect are good, improve whole system
Efficiently, stable operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of air heat source proposed by the present invention pumps defroster and method；
Fig. 2 is the structural schematic diagram for the auxiliary heating apparatus that a kind of air heat source proposed by the present invention pumps defroster and method；
Fig. 3 is the flow diagram that a kind of air heat source proposed by the present invention pumps defroster and method.
In figure: 1, compressor；2, water cooled condenser；201, water outlet；202, water inlet；3, first throttle valve；4, it steams
Send out device；5, electric motor fan；6, device for storing liquid is overheated；7, second throttle；8, auxiliary heating apparatus；801, fan part；802, auxiliary heating
Device；803, air outlet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Embodiment:
Referring to Fig.1-3, a kind of air heat source pumps defroster, including compressor 1, water cooled condenser 2, evaporator 4, first segment
Flow valve 3, electric motor fan 5, compressor 1, water cooled condenser 2, first throttle valve 3, evaporator 4 be sequentially connected, electric motor fan 5 with
Evaporator matches, and further includes auxiliary heating apparatus 8, overheat device for storing liquid 6, and water cooled condenser 2 is equipped with water inlet 202, water outlet
201, overheat device for storing liquid 6 is connected with water cooled condenser 2, and overheat device for storing liquid 6 passes through 7 phase of second throttle with evaporator 4
Even, auxiliary heating apparatus 8 between water cooled condenser 2 and evaporator 4, first throttle valve 3, second throttle 7, evaporator 4 with
Auxiliary heating apparatus 8 matches.
Auxiliary heating apparatus 8 includes fan part 801, auxiliary heater 802, air outlet 803, the air outlet 803 of auxiliary heating apparatus 8 and first
Throttle valve 3, second throttle 7, evaporator 4 match.
Collet is cased on overheat device for storing liquid 6.
A kind of air heat source pump Defrost method, comprising the following steps:
S1, air heat source pump assembly is opened；
S2, temperature detection is carried out by thermo detector；
S3, control auxiliary heating apparatus 8 open or close；
S4, control second throttle 7 open or close；
S5, defrosting is completed.
The range of temperature detection includes auxiliary heating apparatus 8, first throttle valve 3, second throttle 7, evaporator 4 in step S2, and
Judge whether temperature is higher than 50 DEG C.
The opening and closing of auxiliary heating apparatus 8 are controlled in step S3 to mainly comprise the steps that
A, temperature is not less than 50 DEG C, if opening auxiliary heating apparatus 8 at this time, 4 frost-free of evaporator, temperature continues to increase, can prevent to steam
Send out 4 frosting of device；If not opening auxiliary heating apparatus 8, carry out at any time, temperature-resistant or temperature reduces；
B, temperature is lower than 50 DEG C, and auxiliary heating apparatus 8 is opened in 4 frosting of evaporator at this time, and temperature increases, and auxiliary heating apparatus 8 is to evaporator 4 at this time
It defrosts, if not opening auxiliary heating apparatus 8, temperature continues to reduce, and opens auxiliary heating apparatus 8 at this time and defrosts to evaporator 4.
Second throttle 7, which opens or closes, in step S4 mainly comprises the steps that
C, temperature is not less than 50 DEG C, and second throttle 7 is closed at this time, 4 frost-free of evaporator；
D, temperature is lower than 50 DEG C, if opening second throttle 7 at this time, can prevent 4 frosting of evaporator by second throttle 7,
If not opening second throttle 7, temperature is reduced, 4 frosting of evaporator.
In step a when the temperature decreases, step b or d are repeated.
In step d when 4 frosting of evaporator, temperature is reduced, and repeats step b.
User is when opening air heat source pump assembly, the high temperature and high pressure gas refrigerant of the work discharge of compressor 1, by water
Become the liquid refrigerants of high pressure medium temperature after the condensation heat dissipation of air-cooled condenser 2, this process adds the water in water cooled condenser 2
Heat, water cooled condenser 2 is equipped with water inlet 202, water outlet 201 constitutes closed circuit, enters first throttle after refrigerant condensation
The liquid refrigerants for becoming low-temp low-pressure after 3 reducing pressure by regulating flow of valve, the gaseous state for becoming low-temp low-pressure into 4 evaporation endothermic of evaporator are cold
Then matchmaker turns again to compressor 1 and is compressed, complete a complete heating circulation；
In the process by thermo detector to the temperature around auxiliary heating apparatus 8, first throttle valve 3, second throttle 7, evaporator 4 into
Row detection, and judge whether temperature is higher than 50 DEG C；
When temperature is not less than 50 DEG C, second throttle 7 is not opened, and second throttle 7 is electric expansion valve, will not influence at this time
The variation of temperature；
If opening auxiliary heating apparatus 8, auxiliary heater 802, fan part 801 are started to work, and fan part 801 produces auxiliary heater 802
Raw heat is blown into air environment by air outlet 803, and temperature increases, and can prevent temperature reduction, the frosting of evaporator 4；
If not opening auxiliary heating apparatus 8, temperature-resistant or temperature is reduced, temperature-resistant around evaporator 4 when temperature-resistant,
Frost-free on evaporator 4 at this time carries out next step if temperature reduces, is lower than 50 DEG C；
When temperature be lower than 50 DEG C when, if open second throttle 7, overheat device for storing liquid 6 in refrigerant by second throttle 7 into
Enter into evaporator 4, the refrigerant in evaporator 4 is supplemented, overheat device for storing liquid 6 is equipped with heat insulating mattress, can prevent
Temperature change in hot device for storing liquid 6, and then can prevent or remove the frost on evaporator 4；
If not opening second throttle 7, the temperature of evaporator 4 is reduced at this time, and temperature is still lower than 50 DEG C, then is carried out in next step
Suddenly；
If opening auxiliary heating apparatus 8, auxiliary heating apparatus 8 improves the temperature of evaporator 4, carries out defrosting operation to evaporator 4；
If not opening auxiliary heating apparatus 8, the temperature on evaporator 4 can be made to reduce, evaporator 4 remains unchanged frosting, at this time repeatedly previous step,
Auxiliary heating apparatus 8 is opened, defrosting operation is carried out to evaporator 4；
The device can prevent 4 frosting of evaporator by increasing auxiliary heating apparatus 8, at the same in frosting can quick defrost, defrost
Time can shorten 70% or so, and the water after defrost can be blown off by the wind-force that auxiliary heating apparatus 8 generates, the steaming to evaporator 4
It sends out fin and carries out cleaner drying；Device for storing liquid 6 is overheated by addition, the refrigerant in evaporator 4 can be supplemented, simultaneously
Auxiliary heating apparatus 8 can change the temperature of evaporator 4, can control the speed of the refrigerant of the exclusion of overheat device for storing liquid 6, and then can be with
Prevent 4 frosting of evaporator, and then improves efficient, the stable operation of whole system；
In the present invention, the frost on evaporator 4 that can be pumped to air heat source is prevented and is removed, prevention and elimination effect
It is good, improve efficient, the stable operation of whole system.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of air heat source pumps defroster, including compressor (1), water cooled condenser (2), evaporator (4), first throttle
Valve (3), electric motor fan (5), the compressor (1), water cooled condenser (2), first throttle valve (3), evaporator (4) successively phase
Even, the electric motor fan (5) matches with evaporator, which is characterized in that and further include auxiliary heating apparatus (8), overheat device for storing liquid (6),
The water cooled condenser (2) is equipped with water inlet (202), water outlet (201), the overheat device for storing liquid (6) and water-cooled
Condenser (2) is connected, and the overheat device for storing liquid (6) is connected with evaporator (4) by second throttle (7), the auxiliary heating apparatus
(8) between water cooled condenser (2) and evaporator (4), the first throttle valve (3), second throttle (7), evaporator
(4) match with auxiliary heating apparatus (8).
2. a kind of air heat source according to claim 1 pumps defroster, which is characterized in that the auxiliary heating apparatus (8) includes
Fan part (801), auxiliary heater (802), air outlet (803), the air outlet (803) and first throttle of the auxiliary heating apparatus (8)
Valve (3), second throttle (7), evaporator (4) match.
3. a kind of air heat source according to claim 2 pumps defroster, which is characterized in that the overheat device for storing liquid
(6) collet is cased on.
4. a kind of air heat source pumps Defrost method, which is characterized in that using a kind of described in any item air heat of claim 1-3
Source pump installation, comprising the following steps:
S1, air heat source pump assembly is opened；
S2, temperature detection is carried out by thermo detector；
S3, control auxiliary heating apparatus (8) open or close；
S4, control second throttle (7) open or close；
S5, defrosting is completed.
5. a kind of air heat source according to claim 4 pumps Defrost method, which is characterized in that temperature detection in step S2
Range includes auxiliary heating apparatus (8), first throttle valve (3), second throttle (7), evaporator (4), and judges whether temperature is higher than 50
℃。
6. a kind of air heat source according to claim 5 pumps Defrost method, which is characterized in that control auxiliary heating apparatus in step S3
(8) it opens and closes and mainly comprises the steps that
A, temperature is not less than 50 DEG C, if opening auxiliary heating apparatus (8) at this time, evaporator (4) frost-free, temperature continues to increase, can be pre-
Vaporization prevention device (4) frosting；If not opening auxiliary heating apparatus (8), carry out at any time, temperature-resistant or temperature reduces；
B, temperature is lower than 50 DEG C, and evaporator (4) frosting opens auxiliary heating apparatus (8) at this time, and temperature increases, and auxiliary heating apparatus (8) is to steaming at this time
Hair device (4) defrosts, if not opening auxiliary heating apparatus (8), temperature continues to reduce, and opens auxiliary heating apparatus (8) at this time to evaporator (4)
It defrosts.
7. a kind of air heat source according to claim 6 pumps Defrost method, which is characterized in that second throttle in step S4
(7) it opens or closes and mainly comprises the steps that
C, temperature is not less than 50 DEG C, and second throttle (7) is closed at this time, evaporator (4) frost-free；
D, temperature is lower than 50 DEG C, if opening second throttle (7) at this time, can prevent evaporator (4) by second throttle (7)
Frosting, if not opening second throttle (7), temperature is reduced, evaporator (4) frosting.
8. a kind of air heat source according to claim 7 pumps Defrost method, which is characterized in that when temperature reduces in step a
When, repeat step b or d.
9. a kind of air heat source according to claim 8 pumps Defrost method, which is characterized in that evaporator (4) is tied in step d
When white, temperature is reduced, and repeats step b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910869950.0A CN110513928A (en) | 2019-09-16 | 2019-09-16 | A kind of air heat source pump defroster and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910869950.0A CN110513928A (en) | 2019-09-16 | 2019-09-16 | A kind of air heat source pump defroster and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110513928A true CN110513928A (en) | 2019-11-29 |
Family
ID=68630932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910869950.0A Pending CN110513928A (en) | 2019-09-16 | 2019-09-16 | A kind of air heat source pump defroster and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110513928A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2921730Y (en) * | 2005-11-30 | 2007-07-11 | 东莞市广大制冷有限公司 | Evaporator with defrosting device |
| CN201715775U (en) * | 2010-07-07 | 2011-01-19 | 深圳市庄合热泵空调有限公司 | Air-source heat pump air conditioner |
| CN202973680U (en) * | 2012-12-26 | 2013-06-05 | 杨继卿 | Heating medium defrosting evaporator |
| CN203657271U (en) * | 2013-12-23 | 2014-06-18 | 南京迪泽尔空调设备有限公司 | Air source heat pump system |
| CN104534745A (en) * | 2015-01-15 | 2015-04-22 | 陈志强 | Air source heat pump with novel defrosting heat exchanger |
| CN206073446U (en) * | 2016-07-08 | 2017-04-05 | 广州市耀华制冷设备有限公司 | A kind of antifrost hot-water heating system |
| CN106885405A (en) * | 2017-04-24 | 2017-06-23 | 深圳创维空调科技有限公司 | A kind of air-conditioner system and its Defrost method |
| CN207365522U (en) * | 2017-10-30 | 2018-05-15 | 上海盛庐节能机电股份有限公司 | A kind of air blowing defroster |
-
2019
- 2019-09-16 CN CN201910869950.0A patent/CN110513928A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2921730Y (en) * | 2005-11-30 | 2007-07-11 | 东莞市广大制冷有限公司 | Evaporator with defrosting device |
| CN201715775U (en) * | 2010-07-07 | 2011-01-19 | 深圳市庄合热泵空调有限公司 | Air-source heat pump air conditioner |
| CN202973680U (en) * | 2012-12-26 | 2013-06-05 | 杨继卿 | Heating medium defrosting evaporator |
| CN203657271U (en) * | 2013-12-23 | 2014-06-18 | 南京迪泽尔空调设备有限公司 | Air source heat pump system |
| CN104534745A (en) * | 2015-01-15 | 2015-04-22 | 陈志强 | Air source heat pump with novel defrosting heat exchanger |
| CN206073446U (en) * | 2016-07-08 | 2017-04-05 | 广州市耀华制冷设备有限公司 | A kind of antifrost hot-water heating system |
| CN106885405A (en) * | 2017-04-24 | 2017-06-23 | 深圳创维空调科技有限公司 | A kind of air-conditioner system and its Defrost method |
| CN207365522U (en) * | 2017-10-30 | 2018-05-15 | 上海盛庐节能机电股份有限公司 | A kind of air blowing defroster |
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