CN203464566U - Improved defrosting device of air source heat pump water heater - Google Patents
Improved defrosting device of air source heat pump water heater Download PDFInfo
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- CN203464566U CN203464566U CN201320568886.0U CN201320568886U CN203464566U CN 203464566 U CN203464566 U CN 203464566U CN 201320568886 U CN201320568886 U CN 201320568886U CN 203464566 U CN203464566 U CN 203464566U
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- water heater
- pump water
- air source
- defrosting device
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Abstract
The utility model relates to the technical field of a heat pump water heater, in particular to an improved defrosting device of an air source heat pump water heater. The structure of the improved defrosting device comprises a condenser, an evaporator, a second solenoid valve, a four way valve, a compressor and a liquid storage device, wherein a first interface of the four way valve is connected with an inlet of the condenser, and an outlet of the condenser is connected with an inlet of the evaporator through the second solenoid valve. The improved defrosting device of the air source heat pump water heater further comprises a defrosting controller and a hot gas bypass defrosting device, wherein the defrosting controller is connected with the hot gas bypass defrosting device and the second solenoid valve respectively; and one end of the hot gas bypass defrosting device is connected with an exhaust port of the compressor, and the other end of the hot gas bypass defrosting device is connected with an outlet of the evaporator. The improved defrosting device of the air source heat pump water heater is provided with the defrosting controller, so that the defrosting effect is good, energy is saved when the improved defrosting device of the air source heat pump water heater is used for defrosting, and pursuantly, the manufacturing cost is reduced.
Description
Technical field
The utility model relates to Teat pump boiler technical field, particularly relates to a kind of defroster of air source hot pump water heater of improvement.
Background technology
The heat pump of air source hot pump water heater can absorb airborne low temperature heat energy, then is converted into high temperature heat after compressor compression, and for heating water temperature, this water heater has energy-efficient feature, has practical value.
Air source hot pump water heater of the prior art usually there will be following problem while carrying out heating condition under low temperature environment: on the unit coil pipe of evaporimeter, conventionally understand frosting, thereby affect the normal heat supply of unit, therefore must time defrosting.Therefore, air source hot pump water heater defroster arises at the historic moment.Yet, air source hot pump water heater of the prior art is when the Defrost mode that adopts circulating defrosting mode and hot-gas bypass defrosts, because structural design is unreasonable, cause the defrosting effect of air source hot pump water heater of the prior art undesirable, and air source hot pump water heater of the prior art relatively expends the energy when defrosting, thereby has improved production cost.
Summary of the invention
The purpose of this utility model is to provide for weak point of the prior art a kind of defroster of air source hot pump water heater of improvement, the defroster of the air source hot pump water heater of this improvement is due to reasonable in design, make defrosting effect good, and make the defroster of the air source hot pump water heater of this improvement can save the energy when defrosting, thereby reduced production cost.
For achieving the above object, the utility model is achieved through the following technical solutions.
A kind of defroster of air source hot pump water heater of improvement is provided, comprises condenser, evaporimeter, the second magnetic valve, cross valve, compressor and reservoir; The first interface of described cross valve connects the import of described condenser, the outlet of described condenser connects the import of described evaporimeter by described the second magnetic valve, the outlet of described evaporimeter connects the 3rd interface of described cross valve, the second interface of described cross valve connects the import of described reservoir, the outlet of described reservoir connects the air entry of described compressor, and the exhaust outlet of described compressor connects the 4th interface of described cross valve;
The defroster of the air source hot pump water heater of described improvement also comprises defrost controller and hot gas bypass defrosting device, and described defrost controller is connected with described the second magnetic valve with described hot gas bypass defrosting device respectively; One end of described hot gas bypass defrosting device connects the exhaust outlet of described compressor, and the other end of described hot gas bypass defrosting device connects the outlet of described evaporimeter.
Described hot gas bypass defrosting device is set to the first magnetic valve.
Described evaporimeter is provided with blower fan, and described defrost controller is connected with described blower fan.
The defroster of the air source hot pump water heater of described improvement also comprises the first capillary, described first one end capillaceous connects the import of described evaporimeter, and described first other end capillaceous connects the outlet of described the second magnetic valve and one end of described hot gas bypass defrosting device simultaneously.
Between the import of described the second magnetic valve and the outlet of described condenser, be connected with the second capillary.
Between described the second capillary and the outlet of described condenser, be connected with filter.
The beneficial effects of the utility model: the defroster of the air source hot pump water heater of a kind of improvement of the present utility model, comprises condenser, evaporimeter, the second magnetic valve, cross valve, compressor and reservoir; The first interface of cross valve connects the import of described condenser, the outlet of condenser connects the import of evaporimeter by the second magnetic valve, the outlet of evaporimeter connects the 3rd interface of cross valve, the second interface of cross valve connects the import of reservoir, the outlet of reservoir connects the air entry of compressor, and the exhaust outlet of compressor connects the 4th interface of cross valve; The defroster of the air source hot pump water heater of improvement also comprises defrost controller and hot gas bypass defrosting device, and defrost controller is connected with the second magnetic valve with hot gas bypass defrosting device respectively; One end of hot gas bypass defrosting device connects the exhaust outlet of compressor, and the other end of hot gas bypass defrosting device connects the outlet of evaporimeter.Because the defroster of the air source hot pump water heater of this improvement is provided with defrost controller, makes defrosting effect good, and make the defroster of the air source hot pump water heater of this improvement can save the energy when defrosting, thereby reduced production cost.
Accompanying drawing explanation
Fig. 1 is the fundamental diagram of defroster of the air source hot pump water heater of a kind of improvement of the present utility model.
In Fig. 1, include:
1---condenser,
2---evaporimeter,
3---the second magnetic valve,
4---cross valve,
5---compressor,
6---reservoir,
7---defrost controller,
8---hot gas bypass defrosting device,
9---blower fan,
10---the first capillary,
11---the second capillary,
12---filter.
The specific embodiment
The utility model is described in further detail with the following Examples.
See Fig. 1.The defroster of the air source hot pump water heater of a kind of improvement of the present embodiment, comprises condenser 1, evaporimeter 2, the second magnetic valve 3, cross valve 4, compressor 5 and reservoir 6; The first interface of cross valve 4 connects the import of condenser 1, the outlet of condenser 1 connects the import of evaporimeter 2 by the second magnetic valve 3, the outlet of evaporimeter 2 connects the 3rd interface of cross valve 4, the second interface of cross valve 4 connects the import of reservoir 6, the outlet of reservoir 6 connects the air entry of compressor 5, and the exhaust outlet of compressor 5 connects the 4th interface of cross valve 4; Wherein, the first interface of cross valve 4, the second interface, the 3rd interface and the 4th interface adopt respectively alphabetical A, B, C, D to indicate in Fig. 1.Wherein, reservoir 6 has the effect of gas-liquid separation and storage, and therefore, this reservoir 6 can prevent that liquid from directly entering compressor 5, thereby can extend the service life of compressor 5.
The defroster of the air source hot pump water heater of improvement also comprises defrost controller 7 and hot gas bypass defrosting device 8, and defrost controller 7 is connected with the second magnetic valve 3 with hot gas bypass defrosting device 8 respectively; One end of hot gas bypass defrosting device 8 connects the exhaust outlet of compressor 5, and the other end of hot gas bypass defrosting device 8 connects the outlet of evaporimeter 2.
In the present embodiment, hot gas bypass defrosting device 8 is set to the first magnetic valve.
In the present embodiment, evaporimeter 2 is provided with blower fan 9, and defrost controller 7 is connected with blower fan 9.Because defrost controller 7 is connected with blower fan 9 with hot gas bypass defrosting device 8, the second magnetic valve 3 respectively, and whole running and then the defrosting of controlling hot gas bypass defrosting device 8, the second magnetic valve 3 and blower fan 9, thereby the defroster of the air source hot pump water heater of this improvement is reasonable in design, make defrosting effect good, and make the defroster of the air source hot pump water heater of this improvement can save the energy when defrosting, thereby reduced production cost.
In the present embodiment, the defroster of the air source hot pump water heater of this improvement also comprises the first capillary 10, one end of the first capillary 10 connects the import of evaporimeter 2, and the other end of the first capillary 10 connects the outlet of the second magnetic valve 3 and one end of hot gas bypass defrosting device 8 simultaneously.
When the defroster of the air source hot pump water heater of this improvement is worked, when running on heating condition, condenser 1 becomes condenser, and evaporimeter 2 becomes evaporimeter.The low-temperature low-pressure refrigerant flowing out from evaporimeter 2 outlets enters reservoir 6 through C interface and the B interface of cross valve 4, reservoir 6 is by the storeroom of isolated liquid input reservoir 6, then the gas that cryogen is collapsed into HTHP by compressor 5 suctions is hesitated out, gas enters condenser 1 heat release condensation through the D interface of cross valve 4 and A interface becomes supercooled liquid, supercooled liquid becomes low-temp low-pressure two-phase fluid after the first capillary 10 resistance step-downs. and enter evaporimeter 2 evaporation endothermics, then flow out and enter next circulation from evaporimeter 2 outlets.
When the defroster of the air source hot pump water heater of this improvement runs in the process of heating condition, defrost controller 7 can detect the frosting situation of wind side fan heater 2, when wind side fan heater 2 being detected, reach after defrosting condition, defrost controller 7 is controlled 8 energisings of hot gas bypass defrosting device and is opened, while defrost controller 7 sends control command stops the running of blower fan 9, and close the second magnetic valve 3, cold-producing medium becomes high temperature and high pressure gas after compressor 5 compressions, by bypass line, through hot gas bypass defrosting device 8 and the first capillary 10, enter air side heat exchanger 2, and defrost, return-air enters reservoir 6 from the outlet of air side heat exchanger 2 through C interface and the B interface of cross valve 4 again, then be back to compressor 5 and enter next circulation.Until while no longer meeting defrosting condition, the second magnetic valve 3 is opened, blower fan 9 is opened, and closes hot gas bypass defrosting device 8 simultaneously, then enters the models of hydrothermal circulation of normal heating condition.
In the present embodiment, between the import of the second magnetic valve 3 and the outlet of condenser 1, be connected with the second capillary 11.Between this second capillary 11 and the outlet of condenser 1, be connected with filter 12.The second capillary 11 can provide step-down resistance, and filter 12 is mainly used in machine oil separated of cold-producing medium and compressor 5, to guarantee the heat exchange efficiency of condenser 1.
Finally should be noted that; above embodiment is the restriction for the technical solution of the utility model is described but not to the utility model protection domain only; although the utility model is explained in detail with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model, and not depart from essence and the scope of technical solutions of the utility model.
Claims (6)
1. a defroster for the air source hot pump water heater of improvement, comprises condenser, evaporimeter, the second magnetic valve, cross valve, compressor and reservoir; The first interface of described cross valve connects the import of described condenser, the outlet of described condenser connects the import of described evaporimeter by described the second magnetic valve, the outlet of described evaporimeter connects the 3rd interface of described cross valve, the second interface of described cross valve connects the import of described reservoir, the outlet of described reservoir connects the air entry of described compressor, and the exhaust outlet of described compressor connects the 4th interface of described cross valve;
It is characterized in that: the defroster of the air source hot pump water heater of described improvement also comprises defrost controller and hot gas bypass defrosting device, described defrost controller is connected with described the second magnetic valve with described hot gas bypass defrosting device respectively; One end of described hot gas bypass defrosting device connects the exhaust outlet of described compressor, and the other end of described hot gas bypass defrosting device connects the outlet of described evaporimeter.
2. the defroster of the air source hot pump water heater of a kind of improvement according to claim 1, is characterized in that: described hot gas bypass defrosting device is set to the first magnetic valve.
3. the defroster of the air source hot pump water heater of a kind of improvement according to claim 1, is characterized in that: described evaporimeter is provided with blower fan, and described defrost controller is connected with described blower fan.
4. the defroster of the air source hot pump water heater of a kind of improvement according to claim 1, it is characterized in that: the defroster of the air source hot pump water heater of described improvement also comprises the first capillary, described first one end capillaceous connects the import of described evaporimeter, and described first other end capillaceous connects the outlet of described the second magnetic valve and one end of described hot gas bypass defrosting device simultaneously.
5. the defroster of the air source hot pump water heater of a kind of improvement according to claim 1, is characterized in that: between the import of described the second magnetic valve and the outlet of described condenser, be connected with the second capillary.
6. the defroster of the air source hot pump water heater of a kind of improvement according to claim 5, is characterized in that: between described the second capillary and the outlet of described condenser, be connected with filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320568886.0U CN203464566U (en) | 2013-09-13 | 2013-09-13 | Improved defrosting device of air source heat pump water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320568886.0U CN203464566U (en) | 2013-09-13 | 2013-09-13 | Improved defrosting device of air source heat pump water heater |
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| Publication Number | Publication Date |
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| CN203464566U true CN203464566U (en) | 2014-03-05 |
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| CN201320568886.0U Expired - Lifetime CN203464566U (en) | 2013-09-13 | 2013-09-13 | Improved defrosting device of air source heat pump water heater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023954A (en) * | 2017-04-10 | 2017-08-08 | 青岛海尔空调器有限总公司 | A kind of air conditioner and cleaning control method |
| CN112484190A (en) * | 2020-12-14 | 2021-03-12 | 广东欧科空调制冷有限公司 | Air conditioning system and control method thereof |
-
2013
- 2013-09-13 CN CN201320568886.0U patent/CN203464566U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023954A (en) * | 2017-04-10 | 2017-08-08 | 青岛海尔空调器有限总公司 | A kind of air conditioner and cleaning control method |
| WO2018188514A1 (en) * | 2017-04-10 | 2018-10-18 | 青岛海尔空调器有限总公司 | Air conditioner and cleaning control method |
| CN112484190A (en) * | 2020-12-14 | 2021-03-12 | 广东欧科空调制冷有限公司 | Air conditioning system and control method thereof |
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| GR01 | Patent grant | ||
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Granted publication date: 20140305 |
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