CN2290823Y - Automatic defrost heat pump - Google Patents
Automatic defrost heat pump Download PDFInfo
- Publication number
- CN2290823Y CN2290823Y CN97206657U CN97206657U CN2290823Y CN 2290823 Y CN2290823 Y CN 2290823Y CN 97206657 U CN97206657 U CN 97206657U CN 97206657 U CN97206657 U CN 97206657U CN 2290823 Y CN2290823 Y CN 2290823Y
- Authority
- CN
- China
- Prior art keywords
- valve
- heat pump
- electric contact
- evaporator
- contact thermometer
- 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 - Fee Related
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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
- 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
Abstract
The utility model relates to an automatic defrosting heat pump. The utility model comprises a compressor 1, a condenser 2, a flow controller 3, an evaporator 4, a pipeline A5 which is inserted between an air exhaust opening of the compressor 1 and an inlet of the evaporator 4, a valve 6 which controls the connection and the disconnection of the pipeline A5, and an electric contact thermometer 7 which senses the operation of the valve 6, wherein the electric contact thermometer 7 is arranged near the evaporator 4. A small part of high-temperature gas-phase working medium which is the original part of the system is led back to the inlet end of the evaporator, and the heat of the high-temperature gas-phase working medium is radiated in the evaporator. The utility model has good defrosting and heating effects.
Description
The utility model relates to a kind of heat pump, particularly a kind of automatic defrosting heat pump.
Outdoor heat converter in the heat pump often influences the operate as normal of heat pump because of frosting.In the routine techniques, utilize reversal valve to make unit be converted to refrigeration work so that outdoor heat converter is defrosted.The work because unit frequently commutates compressor and reversal valve are all had considerable influence service life, and condenser heat release inequality wastes energy not only, and influences heating effect, and temperature is difficult to reach constant between heating.
The purpose of this utility model is to overcome the deficiencies in the prior art part, and a kind of unit conversion work state that need not is provided, can defrost and defrosting effect good, do not influence the automatic defrosting heat pump of unit heating effect.
The purpose of this utility model realizes by following approach.
The automatic defrosting heat pump, comprise compressor, condenser, flow controller and evaporimeter, its structural feature is: also include the valve of the pipeline A that is plugged between exhaust outlet of compressor and the evaporator, control piper A break-make and install and the electric contact thermometer of sensing valve working in abutting connection with evaporimeter.
The purpose of this utility model can also realize by following approach.
Valve can be a kind of magnetic valve.
Valve can also be a kind of control valve, simultaneously, also includes a kind of stepper motor and a kind of controller that is installed in the control step machine operation between stepper motor and the electric contact thermometer that drives control valve work.
Valve also can be made up of the magnetic valve of installing respectively and the control valve of normally open, also includes a kind of stepper motor that drives the control valve unlatching and a kind of controller that is installed between stepper motor and the electric contact thermometer with the control step machine operation.
Controller or a kind of relay or a kind of single-chip microcomputer.
In sum, the sub-fraction of high temperature gas phase working medium intrinsic in the system returned guides to the evaporator end, and in evaporimeter distribute heat to reach desirable defrosting effect.Can change according to outside air temperature and change the defrosting situation, unit also can run well when subzero 50 ℃ temperature, because unit need not still can heat continuously under subzero 50 ℃ low temperature environment because of defrosting commutation work, so not only defrosting effect is good, and the temperature between heating can reach constant.
Accompanying drawing 1 is the structural representation of the utility model embodiment 1.
Accompanying drawing 2 is structural representations of the utility model most preferred embodiment.
Below we carry out more detailed description to the utility model in conjunction with the accompanying drawings.
Embodiment 1:
With reference to accompanying drawing 1, the automatic defrosting heat pump comprises compressor 1, condenser 2, flow controller 3, evaporimeter 4, is plugged on pipeline A5 between compressor 1 exhaust outlet and evaporimeter 4 imports, the valve 6 of control piper A5 break-make, installs and electric contact thermometer 7 and a kind of relay 10 of sensing valve 6 work in abutting connection with evaporimeter 4.Relay 10 is plugged between valve 6 and the electric contact thermometer 7.Valve 6 is a kind of magnetic valves.
It is same as the prior art that present embodiment is not stated part.
Embodiment 2:
With reference to accompanying drawing 2, the automatic defrosting heat pump comprises compressor 1, condenser 2, flow controller 3, evaporimeter 4, is plugged on pipeline A5 between compressor 1 exhaust outlet and evaporimeter 4 imports, the valve 6 of control piper A5 break-make, installs and electric contact thermometer 7, relay 10, controller 8 and the stepper motor 9 of sensing valve 6 work in abutting connection with evaporimeter 4.Valve 6 is made up of the magnetic valve of installing respectively and the control valve of normally open, and relay 10 is installed between electric contact thermometer 7 and the magnetic valve; Control valve is connected with stepper motor 9, then is installed between stepper motor 9 and the electric contact thermometer 7 by the controller 8 of single-chip microcomputer conduct.Like this, magnetic valve and control valve synergy are covered the shortage mutually, the magnetic valve open and close is sensitive, but can not step-less adjustment, and the control valve open and close is insensitive, allow it be in normally open, only carry out the open degree of step-less adjustment with control piper A5 in order to the instruction of response single-chip microcomputer.
It is same as the prior art that present embodiment is not stated part.
Claims (5)
1. automatic defrosting heat pump, comprise compressor (1), condenser (2), flow controller (3) and evaporimeter (4), it is characterized in that, also include the valve (6) of the pipeline A (5) that is plugged between compressor (1) exhaust outlet and evaporimeter (4) import, control piper A (5) break-make and install and the electric contact thermometer (7) of sensing valve (6) work in abutting connection with evaporimeter (4).
2. automatic defrosting heat pump according to claim 1 is characterized in that, valve (6) is a kind of magnetic valve.
3. automatic defrosting heat pump according to claim 1, it is characterized in that, valve (6) is a kind of control valve, simultaneously, also include a kind of stepper motor (9) and a kind of controller (8) that is installed in control step motor (9) work between stepper motor (9) and the electric contact thermometer (7) that control valve is opened that drive.
4. automatic defrosting heat pump according to claim 1, it is characterized in that, valve (6) comprises the magnetic valve of installation respectively and the control valve of normally open, also comprises driving stepper motor (9) and a kind of controller (8) of working with control step motor (9) between step dynamo-electric machine (9) and the electric contact thermometer (7) that is installed in that control valve is opened.
5. according to claim 3 or 4 described automatic defrosting heat pumps, it is characterized in that controller (8) or a kind of relay or a kind of single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97206657U CN2290823Y (en) | 1997-03-03 | 1997-03-03 | Automatic defrost heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97206657U CN2290823Y (en) | 1997-03-03 | 1997-03-03 | Automatic defrost heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2290823Y true CN2290823Y (en) | 1998-09-09 |
Family
ID=33926599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97206657U Expired - Fee Related CN2290823Y (en) | 1997-03-03 | 1997-03-03 | Automatic defrost heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2290823Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300532C (en) * | 2004-04-14 | 2007-02-14 | 河南新飞电器有限公司 | Air source heat pump for high humidity area |
| CN100412465C (en) * | 2002-08-30 | 2008-08-20 | 三洋电机株式会社 | Refrigerant cycling device |
| CN1485588B (en) * | 2003-07-29 | 2010-10-06 | 孟凡正 | Dual-purpose multiple operating mode self-defrosting type heat pump air-conditioner and automatic defrosting process thereof |
-
1997
- 1997-03-03 CN CN97206657U patent/CN2290823Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100412465C (en) * | 2002-08-30 | 2008-08-20 | 三洋电机株式会社 | Refrigerant cycling device |
| CN1485588B (en) * | 2003-07-29 | 2010-10-06 | 孟凡正 | Dual-purpose multiple operating mode self-defrosting type heat pump air-conditioner and automatic defrosting process thereof |
| CN1300532C (en) * | 2004-04-14 | 2007-02-14 | 河南新飞电器有限公司 | Air source heat pump for high humidity area |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |