CN202675766U - Winter defrosting device for heat pump unit - Google Patents
Winter defrosting device for heat pump unit Download PDFInfo
- Publication number
- CN202675766U CN202675766U CN 201220290621 CN201220290621U CN202675766U CN 202675766 U CN202675766 U CN 202675766U CN 201220290621 CN201220290621 CN 201220290621 CN 201220290621 U CN201220290621 U CN 201220290621U CN 202675766 U CN202675766 U CN 202675766U
- Authority
- CN
- China
- Prior art keywords
- way solenoid
- solenoid valve
- heat exchanger
- defrosting
- heat exchange
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a winter defrosting device for a heat pump unit. The winter defrosting device for the heat pump unit comprises a compressor, a throttle mechanism, an indoor heat exchanger, a reservoir and a gas-liquid separator, wherein the reservoir is located between the throttle mechanism and the indoor heat exchanger, and the gas-liquid separator is connected with the compressor. The winter defrosting device for the heat pump unit also comprises an outdoor heat exchanger, a first four-way solenoid valve, a second four-way solenoid valve, a third four-way solenoid valve, a fourth four-way solenoid valve, a defrosting solenoid valve and a defrosting throttle mechanism, wherein the outdoor heat exchanger is provided with a first heat exchange area and a second heat exchange area. By utilizing the pipeline switchover of the four four-way solenoid valves, the outdoor heat exchanger can be used as an integral condenser and evaporator in the air conditioning refrigeration and heating cycle, whereas during a defrosting process, an indoor evaporator is shielded by utilizing the pipeline switchover of the four four-way solenoid valves, and the first heat exchange area and the second heat exchange area of the outdoor heat exchanger are respectively used as the condenser and the evaporator; defrosting is performed by utilizing the heat of the condenser of the compressor and the electric power of the compressor, and thereby, indoor temperature or water temperature is avoided lowering.
Description
Technical field
The utility model relates to a kind of air-conditioning, especially relates to a kind of air conditioner and heat pump unit winter frost removing device.
Background technology
In the process that the air-conditioning Air-Cooled Heat Pump Unit heats in the winter time, because evaporating temperature and outdoor environment temperature, the impacts such as humidity, outdoor heat exchanger unavoidably can produce the problem of frosting, cause evaporation effect poor, thereby affect the performance of complete machine, present most of air-conditioning is in order to solve outdoor heat exchanger frosting in winter problem, all adopt cross valve to commutate to change the flow direction of cold-producing medium, outdoor heat exchanger is changed to the high-pressure side from low-pressure side, utilize the condensation heat of compressor to defrost, simultaneously in defrost process with indoor heat exchanger as evaporimeter, the inconvenience of setting is that indoor temperature or water temperature must descend in the defrost process like this.The patent that Chinese patent literature discloses a kind of " the defrosting control device of Air-Cooled Heat Pump Unit ", its Granted publication number is CN 201173652 Y, Granted publication day is on December 31st, 2008, main summary of the invention is mainly to be connected with four-way change-over valve by air compressor, four-way change-over valve connects and composes with gas-liquid separator, water water-to-water heat exchanger with by the finned heat exchanger that fin forms respectively again, the PLC control panel is by temperature sensor, pressure sensor collection control parameter, the startup of control air compressor and four-way change-over valve with close down; This utility model adopts reverse Defrost mode, carries out one and switches to the cyclic process that refrigerating state returns the state of heating by the state of heating, and system complex needs to gather a plurality of signals and automatically controlled by PLC.Obviously, if can only do certain modification and adjust to reach application target to structure or the pipeline of whole unit, the control system of comparing with complexity operates, and much practical.
Summary of the invention
The utility model is the problem that causes indoor temperature or water temperature to descend for the air conditioner and heat pump unit winter frost removing that overcomes prior art, a kind of shielding indoor evaporator (or water system heat exchanger) is provided, only adopt outdoor heat exchanger to carry out evaporative condenser, utilize the electrical power of compressor condenser heat and compressor to defrost, the source pump winter frost removing device of avoiding indoor temperature or water temperature to descend.
To achieve these goals, the utility model is by the following technical solutions: a kind of source pump winter frost removing device, comprise compressor, throttle mechanism, indoor heat exchanger, reservoir between throttle mechanism and indoor heat exchanger, the gas-liquid separator that is connected with compressor, also comprise outdoor heat exchanger, the first four way solenoid valve, the second four way solenoid valve, the 3rd four way solenoid valve, the 4th four way solenoid valve, the defrosting magnetic valve, the defrosting throttle mechanism, described outdoor heat exchanger is provided with the first heat exchange zone, the second heat exchange zone, described the first heat exchange zone one end respectively with the defrosting magnetic valve, the defrosting throttle mechanism connects, the described first heat exchange zone other end is connected with the 4th four way solenoid valve, described the second heat exchange zone one end respectively with the defrosting magnetic valve, the defrosting throttle mechanism connects, the described second heat exchange zone other end is connected with the 3rd four way solenoid valve, described the 4th four way solenoid valve also with the 3rd four way solenoid valve, the second four way solenoid valve, the first four way solenoid valve, gas-liquid separator connects, described the 3rd four way solenoid valve also with the second four way solenoid valve, the first four way solenoid valve, gas-liquid separator connects, described the second four way solenoid valve also with the first four way solenoid valve, compressor connects, described the first four way solenoid valve also with compressor, indoor heat exchanger connects, described defrosting magnetic valve, the defrosting throttle mechanism all is connected with throttle mechanism.The utility model mainly is arranged to outdoor heat exchanger the first heat exchange zone, second heat exchange zone two parts, utilize the pipeline of four four way solenoid valves to switch, can make outdoor heat exchanger at air conditioner refrigerating, heat in the circulation still condenser as a whole, evaporimeter uses, and in defrost process, utilize the pipeline switching of four four way solenoid valves to shield indoor evaporator, and the first heat exchange zone of outdoor heat exchanger, second heat exchange zone two parts can be respectively as condenser, evaporimeter uses, utilize the electrical power of compressor condenser heat and compressor to defrost, avoided indoor temperature or water temperature to descend.
As preferably, described outdoor heat exchanger is finned.By the respectively connection of outdoor heat exchanger internal pipeline, finned outdoor heat exchanger can be divided into the first heat exchange zone, two parts of the second heat exchange zone easily.
As preferably, described the first heat exchange zone accounts for 1/3rd volumes of outdoor heat exchanger.In defrost process, 2/3 of outdoor heat exchange district can be used as condenser and uses, and 1/3 as the evaporimeter use, can improve defrosting efficiency.
As preferably, described the first heat exchange zone and the second heat exchange zone intert to be arranged.Because outdoor heat exchanger is finned, wherein 2/3 fin is as the condensing fin in the defrost process, and 1/3 fin adopts the packet mode of arranging a slice evaporation fin in two condensing fins as the evaporation fin in the defrost process, improves defrosting effect.
Therefore, the utlity model has following beneficial effect: can avoid indoor temperature or water temperature to descend in (1) defrost process; (2) rational in infrastructure, energy-saving consumption-reducing.
Description of drawings
Fig. 1 is a kind of schematic diagram of the present utility model.
Fig. 2 is defrost process schematic diagram of the present utility model.
Among the figure: 1, compressor 2, throttle mechanism 3, indoor heat exchanger 4, reservoir
5, gas-liquid separator 6, outdoor heat exchanger 7, the first four way solenoid valve
8, the second four way solenoid valve 9, the 3rd four way solenoid valve 10, the 4th four way solenoid valve
11, defrosting magnetic valve 12, defrosting throttle mechanism 13, the first heat exchange zone
14, the second heat exchange zone.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Such as Fig. 1, among the embodiment shown in Figure 2, source pump winter frost removing device, comprise compressor 1, throttle mechanism 2, indoor heat exchanger 3, reservoir 4 between throttle mechanism 2 and indoor heat exchanger 3, the gas-liquid separator 5 that is connected with compressor 1, also comprise outdoor heat exchanger 6, the first four way solenoid valve 7, the second four way solenoid valve 8, the 3rd four way solenoid valve 9, the 4th four way solenoid valve 10, defrosting magnetic valve 11, defrosting throttle mechanism 12, outdoor heat exchanger 6 is provided with the first heat exchange zone 13, the second heat exchange zone 14, the first heat exchange zone 13 1 ends respectively with the defrosting magnetic valve 11, defrosting throttle mechanism 12 connects, the first heat exchange zone 13 other ends are connected with the 4th four way solenoid valve 10, the second heat exchange zone 14 1 ends respectively with the defrosting magnetic valve 11, defrosting throttle mechanism 12 connects, the second heat exchange zone 14 other ends are connected with the 3rd four way solenoid valve 9, the 4th four way solenoid valve 10 also with the 3rd four way solenoid valve 9, the second four way solenoid valve 8, the first four way solenoid valve 7, gas-liquid separator 5 connects, the 3rd four way solenoid valve 9 also with the second four way solenoid valve 8, the first four way solenoid valve 7, gas-liquid separator 5 connects, the second four way solenoid valve 8 also with the first four way solenoid valve 7, compressor 1 connects, the first four way solenoid valve 7 also with compressor 1, indoor heat exchanger 3 connects, defrosting magnetic valve 11, defrosting throttle mechanism 12 all is connected with throttle mechanism 2.
Specific implementation process is, in defrost process, defrosting magnetic valve 11, the 4th four way solenoid valve 10 get electric, the first four way solenoid valve 7, the second four way solenoid valve 8, the 3rd four way solenoid valve 9 must not electricity, hot-fluid is from the compressor 1, successively through getting back to compressor 1 behind the second four way solenoid valve 8, the 3rd four way solenoid valve 9, the second heat exchange zone 14, defrosting magnetic valve 11, the first heat exchange zone 13, the 4th four way solenoid valve 10, the gas-liquid separator 5, hot-fluid defrosts to outdoor heat exchanger 3 through the second heat exchange zone 14, the first heat exchange zone 13 time.
Claims (4)
1. source pump winter frost removing device, comprise compressor (1), throttle mechanism (2), indoor heat exchanger (3), be positioned at the reservoir (4) between throttle mechanism (2) and the indoor heat exchanger (3), the gas-liquid separator (5) that is connected with compressor (1), it is characterized in that, also comprise outdoor heat exchanger (6), the first four way solenoid valve (7), the second four way solenoid valve (8), the 3rd four way solenoid valve (9), the 4th four way solenoid valve (10), defrosting magnetic valve (11), defrosting throttle mechanism (12), described outdoor heat exchanger (6) is provided with the first heat exchange zone (13), the second heat exchange zone (14), described the first heat exchange zone (13) one ends respectively with the defrosting magnetic valve (11), defrosting throttle mechanism (12) connects, described the first heat exchange zone (13) other end is connected with the 4th four way solenoid valve (10), described the second heat exchange zone (14) one ends respectively with the defrosting magnetic valve (11), defrosting throttle mechanism (12) connects, described the second heat exchange zone (14) other end is connected with the 3rd four way solenoid valve (9), described the 4th four way solenoid valve (10) also with the 3rd four way solenoid valve (9), the second four way solenoid valve (8), the first four way solenoid valve (7), gas-liquid separator (5) connects, described the 3rd four way solenoid valve (9) also with the second four way solenoid valve (8), the first four way solenoid valve (7), gas-liquid separator (5) connects, described the second four way solenoid valve (8) also with the first four way solenoid valve (7), compressor (1) connects, described the first four way solenoid valve (7) also with compressor (1), indoor heat exchanger (3) connects, described defrosting magnetic valve (11), defrosting throttle mechanism (12) all is connected with throttle mechanism (2).
2. source pump winter frost removing device according to claim 1 is characterized in that, described outdoor heat exchanger (6) is finned.
3. source pump winter frost removing device according to claim 1 and 2 is characterized in that, described the first heat exchange zone (13) accounts for 1/3rd volumes of outdoor heat exchanger (6).
4. source pump winter frost removing device according to claim 3 is characterized in that, described the first heat exchange zone (13) interts with the second heat exchange zone (14) to be arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220290621 CN202675766U (en) | 2012-06-20 | 2012-06-20 | Winter defrosting device for heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220290621 CN202675766U (en) | 2012-06-20 | 2012-06-20 | Winter defrosting device for heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202675766U true CN202675766U (en) | 2013-01-16 |
Family
ID=47496666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220290621 Expired - Lifetime CN202675766U (en) | 2012-06-20 | 2012-06-20 | Winter defrosting device for heat pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202675766U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108621745A (en) * | 2018-07-09 | 2018-10-09 | 江苏科菱库精工科技有限公司 | A kind of Vehicular refrigeration heat pump system and its control method |
| CN111457466A (en) * | 2020-02-14 | 2020-07-28 | 青岛海信日立空调系统有限公司 | Air conditioning equipment |
| CN111503722A (en) * | 2020-02-14 | 2020-08-07 | 青岛海信日立空调系统有限公司 | Air conditioning equipment |
-
2012
- 2012-06-20 CN CN 201220290621 patent/CN202675766U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108621745A (en) * | 2018-07-09 | 2018-10-09 | 江苏科菱库精工科技有限公司 | A kind of Vehicular refrigeration heat pump system and its control method |
| CN111457466A (en) * | 2020-02-14 | 2020-07-28 | 青岛海信日立空调系统有限公司 | Air conditioning equipment |
| CN111503722A (en) * | 2020-02-14 | 2020-08-07 | 青岛海信日立空调系统有限公司 | Air conditioning equipment |
| CN111457466B (en) * | 2020-02-14 | 2021-08-10 | 青岛海信日立空调系统有限公司 | Air conditioning equipment |
| CN111503722B (en) * | 2020-02-14 | 2021-10-01 | 青岛海信日立空调系统有限公司 | Air conditioning equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202254135U (en) | Dehumidifying and reheating device of air conditioner | |
| CN200955881Y (en) | Continuous defrosting and heating air source heat pump | |
| CN102155820B (en) | Multipurpose air-conditioner hot water system | |
| CN201662273U (en) | Unremittingly heating and defrosting heat pump type air conditioner | |
| CN202853236U (en) | Air cooling system for automatic defrosting by condenser heat | |
| CN104515319B (en) | Air conditioning system | |
| CN102109203A (en) | Water source heat pump three-tube type heat recovery multi-online air conditioning system | |
| CN202675766U (en) | Winter defrosting device for heat pump unit | |
| CN201779921U (en) | Multifunctional switch system of air conditioner and heat pump water heater | |
| CN202993410U (en) | Air conditioner outdoor unit with built-in auxiliary electric heater | |
| CN103423815A (en) | Solution-assistant energy-storage domestic air conditioner | |
| CN202928187U (en) | A cold water and hot water air-conditioning unit employing series-flow evaporators | |
| CN112577103A (en) | Multi-split air conditioner and control method thereof | |
| CN102538272B (en) | Air-conditioning system and defrosting method thereof | |
| CN203550269U (en) | Air conditioning system | |
| CN201852356U (en) | Water heater of air conditioner | |
| CN115164440A (en) | Refrigerating system and refrigerating equipment | |
| CN204494899U (en) | A kind of novel total heat recovery Air-Cooled Heat Pump Unit | |
| CN203010772U (en) | Thermoregulation humidifying type air-conditioning system | |
| CN202101464U (en) | Refrigeration device of air conditioner | |
| CN202432750U (en) | Solar energy absorption heat recovery hot water air conditioner | |
| CN201964611U (en) | Commercial ultra-low temperature heat pump water heater unit | |
| CN201497260U (en) | Cold/hot water unit of water source heat pumps | |
| CN201852355U (en) | Air-conditioner water heater | |
| CN214249792U (en) | Multi-split air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 311108, Dushan Industrial Zone, Chong Yin Street, Yuhang District, Zhejiang, Hangzhou 2 Patentee after: FERDLIS NEW ENERGY TECHNOLOGY (HANGZHOU) Co.,Ltd. Address before: 4, 18, 310000 middle Kang Road, Hangzhou, Zhejiang, Gongshu District Patentee before: FERDLIS REFRIGERATION EQUIPMENT (HANGZHOU) Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |