CN207280013U - Air source heat pump - Google Patents
Air source heat pump Download PDFInfo
- Publication number
- CN207280013U CN207280013U CN201721045171.1U CN201721045171U CN207280013U CN 207280013 U CN207280013 U CN 207280013U CN 201721045171 U CN201721045171 U CN 201721045171U CN 207280013 U CN207280013 U CN 207280013U
- Authority
- CN
- China
- Prior art keywords
- valve
- heat pump
- compressor
- way valve
- expansion valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model discloses a kind of air source heat pump, including compressor, four-way valve, shell and tube exchanger, high pressure fluid reservoir, economizer, main expansion valve, finned heat exchanger, gas-liquid separator, when heat pump works in heating mode, refrigerant is discharged by exhaust outlet of compressor, by refrigerant pipe followed by four-way valve, shell and tube exchanger, high pressure fluid reservoir, economizer major loop, main expansion valve, finned heat exchanger, four-way valve, gas-liquid separator returns to compressor air suction mouth, wherein, in a main expansion valve both ends coolant path in parallel, valve and capillary are equipped with the coolant path, the valve is closed when heat pump works in heating mode, opened when heat pump works in refrigeration mode.The sensible heat of refrigerant is brought to finned heat exchanger and defrosted by main expansion valve both ends parallel connection coolant path, improving refrigerant mass flow by the utility model, and defrosting effect is good, does not heat the negative effect of the Defrost methods such as defrosting, hot gas bypass defrosting.
Description
Technical field
The utility model belongs to technical field of heat pumps, and in particular to a kind of air source heat pump.
Background technology
At present, air source heat pump technology has been widely used in area cold in winter and hot in summer, when air source heat pump is in nominal situation
During lower operation,EvaporatorHeat is absorbed, causes the reduction of evaporator surface temperature.With the progress of circulation, evaporator surface temperature
Less than 0 DEG C, it may appear that frost.Frost layer can cause performance of evaporator to be decayed.Therefore, it is necessary to carry out rationally effective defrosting.
Utility model content
The utility model technical issues that need to address are to provide a kind of by increasing refrigerant mass flow the air-source that defrosts
Heat pump.
To solve the above problems, the utility model is adopted the technical scheme that：
A kind of air source heat pump, including compressor, four-way valve, shell and tube exchanger, high pressure fluid reservoir, economizer, master it is swollen
Swollen valve, finned heat exchanger, gas-liquid separator, when heat pump works in heating mode, refrigerant is discharged by exhaust outlet of compressor, is passed through
Refrigerant pipe is followed by four-way valve, shell and tube exchanger, high pressure fluid reservoir, economizer major loop, main expansion valve, fin heat exchange
Device, four-way valve, gas-liquid separator return to compressor air suction mouth, and when heat pump works in refrigeration mode, refrigerant is by compressor air-discharging
Mouth discharge, by refrigerant pipe followed by four-way valve, finned heat exchanger, main expansion valve, economizer major loop, high pressure liquid storage
Tank, shell and tube exchanger, four-way valve, gas-liquid separator return to compressor air suction mouth, wherein, the cold water of shell and tube exchanger into
Mouth, hot water outlet and hot-water heating system connect, the expanded valve of subsidiary loop import, solenoid valve and the high pressure fluid reservoir phase of economizer
Even, subsidiary loop outlet is connected with the gas supplementing opening of compressor, and subsidiary loop is only opened when heat pump works in heating mode, in master
One coolant path of expansion valve both ends parallel connection, is equipped with valve and capillary in the coolant path, the valve is worked in heat pump
Close during heating mode, opened when heat pump works in refrigeration mode.
Preferably, the valve is check valve.
Preferably, the expansion valve is the electric expansion valve that cold medium flux is adjusted by stepper motor.
Preferably, the valve is electromagnetic switch valve, it controls power supply and four-way valve control power sources in parallel, i.e. four-way valve obtains
When electricity works in refrigeration mode, solenoid valve obtains electric opening.
It is using beneficial effect caused by above-mentioned technical proposal：
The utility model is by main expansion valve both ends parallel connection coolant path, improving refrigerant mass flow, and then by refrigerant
Sensible heat bring to finned heat exchanger and defrost, defrosting effect is good, does not heat the Defrost methods such as defrosting, hot gas bypass defrosting
Negative effect.
Brief description of the drawings
Fig. 1 is the utility model heat pump system flow diagram；
Wherein：1. compressor, 2. four-way valves, 3. shell and tube exchangers, 4. high pressure fluid reservoirs, 5. economizers, 6. main expansions
Valve, 7. finned heat exchangers, 8. gas-liquid separators, 9. expansion valves, 10. solenoid valves, 11. check valves, 12. capillaries.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, the utility model includes compressor 1, four-way valve 2, shell and tube exchanger 3, high pressure fluid reservoir 4, warp
Help device 5, main expansion valve 6, finned heat exchanger 7, gas-liquid separator 8, wherein, when heat pump works in heating mode, refrigerant is by pressing
Contracting machine exhaust outlet is discharged, by refrigerant pipe followed by four-way valve 2, shell and tube exchanger 3, high pressure fluid reservoir 4, economizer 5
Major loop, main expansion valve 6, finned heat exchanger 7, four-way valve 2, gas-liquid separator 8 return to 1 air entry of compressor, when heat pump works
When refrigeration mode, refrigerant is discharged by exhaust outlet of compressor, by refrigerant pipe followed by four-way valve 2, finned heat exchanger 7,
Main expansion valve 6,5 major loop of economizer, high pressure fluid reservoir 4, shell and tube exchanger 3, four-way valve 2, gas-liquid separator 8 return to compression
1 air entry of machine, wherein, cooling water inlet, hot water outlet and the hot-water heating system of shell and tube exchanger 3 connect, and the auxiliary of economizer 5 is returned
The expanded valve 9 of road import, solenoid valve 10 are connected with high pressure fluid reservoir 4, and subsidiary loop outlet is connected with the gas supplementing opening of compressor 1,
And subsidiary loop is only opened when heat pump works in heating mode.
It is in parallel at main expansion valve both ends in the frosting of finned heat exchanger surface when heat pump works in heating mode in order to prevent
One coolant path, is equipped with valve and capillary 12 in the coolant path, the valve is when heat pump works in heating mode
Close, opened when heat pump works in refrigeration mode.
In order to facilitate control coolant path in parallel, the valve use check valve 11, is only opened when freezing, during heating
It is automatically closed.
Certainly, the valve can also use electromagnetic switch valve, its control power supply and four-way valve control power sources in parallel, i.e., and four
Port valve obtains electric when working in refrigeration mode, and solenoid valve obtains electric opening.
In order to guarantee that subsidiary loop is reasonably controlled, ensure that the temperature of main refrigerant circuit is in rational shape
State, above-mentioned expansion valve 9 are the electric expansion valve that cold medium flux is adjusted by stepper motor, real by the control system for heat pump of the utility model
When tracking adjust.
Claims (4)
1. a kind of air source heat pump, including compressor（1）, four-way valve（2）, shell and tube exchanger（3）, high pressure fluid reservoir（4）, warp
Help device（5）, main expansion valve（6）, finned heat exchanger（7）, gas-liquid separator（8）, when heat pump works in heating mode, refrigerant by
Exhaust outlet of compressor is discharged, by refrigerant pipe followed by four-way valve（2）, shell and tube exchanger（3）, high pressure fluid reservoir（4）、
Economizer（5）Major loop, main expansion valve（6）, finned heat exchanger（7）, four-way valve（2）, gas-liquid separator（8）Compressor is returned to inhale
Gas port, when heat pump works in refrigeration mode, refrigerant is discharged by exhaust outlet of compressor, by refrigerant pipe followed by four-way valve
（2）, finned heat exchanger（7）, main expansion valve（6）, economizer（5）Major loop, high pressure fluid reservoir（4）, shell and tube exchanger（3）、
Four-way valve（2）, gas-liquid separator（8）Compressor air suction mouth is returned, wherein, shell and tube exchanger（3）Cooling water inlet, hot water goes out
Mouth is connected with hot-water heating system, the expanded valve of subsidiary loop import of economizer (5)（9）, solenoid valve（10）With high pressure fluid reservoir（4）
It is connected, subsidiary loop outlet and compressor（1）Gas supplementing opening be connected, subsidiary loop only opened when heat pump works in heating mode
Open, it is characterised in that：In main expansion valve（6）One coolant path of both ends parallel connection, is equipped with valve and capillary in the coolant path
（12）, the valve closes when heat pump works in heating mode, opened when heat pump works in refrigeration mode.
2. air source heat pump according to claim 1, it is characterised in that：The valve is check valve（11）.
3. air source heat pump according to claim 1 or 2, it is characterised in that：The expansion valve（9）For by stepper motor tune
Save the electric expansion valve of cold medium flux.
4. air source heat pump according to claim 1, it is characterised in that：The valve is electromagnetic switch valve, it controls electricity
Source and four-way valve control power sources in parallel, i.e. four-way valve obtain electric when working in refrigeration mode, and solenoid valve obtains electric opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721045171.1U CN207280013U (en) | 2017-08-21 | 2017-08-21 | Air source heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721045171.1U CN207280013U (en) | 2017-08-21 | 2017-08-21 | Air source heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207280013U true CN207280013U (en) | 2018-04-27 |
Family
ID=61983516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721045171.1U Active CN207280013U (en) | 2017-08-21 | 2017-08-21 | Air source heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207280013U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426370A (en) * | 2018-06-21 | 2018-08-21 | 江苏天合能源管理有限公司 | A kind of Waste Heat Recovery type domestic air energy Teat pump boiler and heating, Defrost method |
| CN108826540A (en) * | 2018-05-10 | 2018-11-16 | 海信（山东）空调有限公司 | A kind of air-conditioning and its control method, device |
| CN109506384A (en) * | 2018-10-30 | 2019-03-22 | 青岛沃润达新能源科技有限公司 | A kind of vortex type air source heat pump system having both refrigerating function based on heating |
| CN109631381A (en) * | 2018-11-09 | 2019-04-16 | 青岛沃润达新能源科技有限公司 | A kind of vortex type air source heat pump system of the simultaneous refrigeration of heating |
| CN109974359A (en) * | 2019-04-22 | 2019-07-05 | 天津赛诺梅肯能源科技有限公司 | A kind of air source heat pump suitable for cold district is very fast to remove defrosting system |
| CN110779240A (en) * | 2019-11-25 | 2020-02-11 | 开平市高美空调设备有限公司 | Air source heat pump |
| CN114440446A (en) * | 2022-03-01 | 2022-05-06 | 浙江乾丰智能科技有限公司 | Quick defrosting device and method for air energy water heater |
| CN114484866A (en) * | 2022-03-01 | 2022-05-13 | 浙江乾丰智能科技有限公司 | Efficient defrosting device and method for air energy water heater |
-
2017
- 2017-08-21 CN CN201721045171.1U patent/CN207280013U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826540A (en) * | 2018-05-10 | 2018-11-16 | 海信（山东）空调有限公司 | A kind of air-conditioning and its control method, device |
| CN108426370A (en) * | 2018-06-21 | 2018-08-21 | 江苏天合能源管理有限公司 | A kind of Waste Heat Recovery type domestic air energy Teat pump boiler and heating, Defrost method |
| CN109506384A (en) * | 2018-10-30 | 2019-03-22 | 青岛沃润达新能源科技有限公司 | A kind of vortex type air source heat pump system having both refrigerating function based on heating |
| CN109631381A (en) * | 2018-11-09 | 2019-04-16 | 青岛沃润达新能源科技有限公司 | A kind of vortex type air source heat pump system of the simultaneous refrigeration of heating |
| CN109974359A (en) * | 2019-04-22 | 2019-07-05 | 天津赛诺梅肯能源科技有限公司 | A kind of air source heat pump suitable for cold district is very fast to remove defrosting system |
| CN110779240A (en) * | 2019-11-25 | 2020-02-11 | 开平市高美空调设备有限公司 | Air source heat pump |
| CN114440446A (en) * | 2022-03-01 | 2022-05-06 | 浙江乾丰智能科技有限公司 | Quick defrosting device and method for air energy water heater |
| CN114484866A (en) * | 2022-03-01 | 2022-05-13 | 浙江乾丰智能科技有限公司 | Efficient defrosting device and method for air energy water heater |
| CN114440446B (en) * | 2022-03-01 | 2023-05-05 | 温岭煌格科技咨询有限公司 | Quick defrosting device and method for air energy water heater |
| CN114484866B (en) * | 2022-03-01 | 2023-10-03 | 温岭煌格科技咨询有限公司 | Efficient defrosting device and method for air energy water heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207280013U (en) | Air source heat pump | |
| CN100404980C (en) | Hot-pump water heater with air source | |
| WO2017063321A1 (en) | Air source heat pump spray defrosting device based on super-hydrophobic finned tube heat exchanger | |
| CN2881440Y (en) | Airsource heat pump water heater | |
| CN101476774A (en) | Double-heat source heat pump water heater with air source and water source | |
| CN108224840A (en) | Heat pump air conditioning system and control method | |
| CN103900184A (en) | Water cooling medium three-pipe refrigerating and heating air-conditioning system | |
| CN206019098U (en) | Heat of compressor recovery type hot water defrosting's refrigeration system | |
| CN101294753A (en) | Inner circulation compound energy heat-supplying refrigeration technology and device | |
| CN207963223U (en) | Heat pump air conditioning system | |
| CN208332736U (en) | A kind of direct condensation by contact refrigeration system with hot gas defrosting | |
| CN206572818U (en) | Air conditioner | |
| CN105716324A (en) | Double-heat-source efficient air conditioner system based on compression-injection combination and application | |
| WO2024032359A1 (en) | Double-structure water source heat pump heat exchange system | |
| CN209042832U (en) | A kind of air energy heat pump defrosting system using recuperation of heat | |
| CN204141892U (en) | A kind of reduced form Practical multifunction hot-water air conditioner | |
| CN205980489U (en) | Energy -saving hot vapour defrosting system of air -source heat bump water heater | |
| CN207280002U (en) | Air source heat pump compressor air-discharging protective device | |
| CN206514566U (en) | Air-cooled cold and hot water unit | |
| CN201652987U (en) | Novel air conditioning system with cold and hot drinking water supply functions | |
| CN206202651U (en) | A kind of ship waste heat air conditioning system with humidification function | |
| CN206410354U (en) | A kind of air-conditioning and air conditioner heat pump system | |
| CN205939816U (en) | Heat pump that solar energy collection evaporimeter and finned evaporator combine | |
| CN201093735Y (en) | Instantaneous hot wind cool heat pump water heater | |
| CN213454357U (en) | Plate tube heat pump system of evaporation cooling unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |