CN205026783U - Heatflash type radiator heat supply air source heat pump system - Google Patents

Heatflash type radiator heat supply air source heat pump system Download PDF

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Publication number
CN205026783U
CN205026783U CN201520749396.XU CN201520749396U CN205026783U CN 205026783 U CN205026783 U CN 205026783U CN 201520749396 U CN201520749396 U CN 201520749396U CN 205026783 U CN205026783 U CN 205026783U
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outlet
entrance
connects
air source
valve
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顾卫平
王洋
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Wuxi Tongfang Artificial Environment Co Ltd
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Wuxi Tongfang Artificial Environment Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12Hot water central heating systems using heat pumps

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  • Other Air-Conditioning Systems (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

The utility model relates to an air source heat pump system, specific heatflash type radiator heat supply air source heat pump system that says so belongs to air source heat pump technical field. It includes major loop and subloop, and the tonifying qi increases the first exit linkage four -way reversing valve's of enthalpy compressor first entry, the first entry of four -way reversing valve's the indoor heat exchanger of first exit linkage, the first entry of the first exit linkage reservoir of indoor heat exchanger, the first entry of the economic ware of first exit linkage of reservoir. The utility model discloses a jointly regulation and control of electronic expansion valve, hydrojet solenoid valve and capillary in the subloop not only increase the refrigerating system's under the air source heat pump low temperature environment circulation flow, suppress air source heat pump heating capacity attenuation rate under low temperature environment, can improve the hydrothermal ability of high temperature of producing in addition to reach the required hot water temperature's of radiator heat supply mesh.

Description

A kind of heat-flash type radiator heating air source heat pump system
Technical field
The utility model relates to a kind of air source heat pump system, and a kind of heat-flash type radiator heating air source heat pump system, belongs to air source heat pump technical field specifically.
Background technology
The a lot of area of current northern China is still continued to use boilerheating, the pollutant of boiler combustion coal low-altitude discharged is one of important assailant forming northern area haze and PM2.5.Therefore, will thoroughly administer northern haze, eliminating coal-fired arcola is fundamental solution.But north of china in winter can not heat again, encourage and help the new energy source energy-saving environmental protection industry developments such as air source heat pump industry, finding the environmental protection heating equipment of alternative coal-fired arcola, is the reality need of northern sustainable development.
But, on the one hand, air source heat pump be generalized to the cold districts such as the Huanghe valley, North China, northwest (Heating Design temperature-5 ~-20 DEG C of scopes) suffer from low ambient temperature under serious, the problem such as Energy Efficiency Ratio is low of heating capacity decay, unit cannot normally run in the winter time.On the other hand, when air source heat pump produces high-temperature hot water, compressor exhaust temperature can increase, and on market, existing air source heat pump does not produce the ability of high-temperature hot water, causes radiator temperature not up to standard, has a strong impact on heating effect.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thus a kind of heat-flash type radiator heating air source heat pump system is provided, not only can suppress air source heat pump heating capacity attenuation rate at low ambient temperatures, and the high-temperature hot water meeting radiator requirement can be provided.
According to the technical scheme that the utility model provides, a kind of heat-flash type radiator heating air source heat pump system comprises major loop and subloop, and major loop comprises tonifying Qi and increases enthalpy compressor, four-way change-over valve, indoor heat exchanger, reservoir, heating power expansion valve, outdoor heat exchanger and gas-liquid separator; Subloop comprises economizer, electric expansion valve, hydrojet magnetic valve and capillary, it is characterized in that: tonifying Qi increases the first entrance of the first outlet connection four-way change-over valve of enthalpy compressor, first outlet of four-way change-over valve connects the first entrance of indoor heat exchanger, first outlet of indoor heat exchanger connects the first entrance of reservoir, and the first outlet of reservoir connects the first entrance of economizer;
First outlet of economizer connects the first entrance of electric expansion valve by the first branch road, first entrance of the first outlet junction chamber external heat exchanger of electric expansion valve, first outlet of outdoor heat exchanger connects the second entrance of four-way change-over valve, second outlet of four-way change-over valve connects the first entrance of gas-liquid separator, and the first outlet of gas-liquid separator connects the first entrance that tonifying Qi increases enthalpy compressor;
First outlet of economizer connects the first entrance of heating power expansion valve by the second branch road, the first outlet of heating power expansion valve connects the second entrance of economizer, and the second outlet of economizer connects the gas supplementing opening that tonifying Qi increases enthalpy compressor;
First outlet of economizer connects hydrojet magnetic valve first entrance by the 3rd branch road, and the first outlet of hydrojet magnetic valve connects the first entrance of capillary, and the first outlet of capillary connects the gas supplementing opening that tonifying Qi increases enthalpy compressor.
Further, electric expansion valve is other is provided with the check valve be connected in parallel with electric expansion valve.
Compared with the prior art the utility model has the following advantages:
The utility model structure is simple, compact, reasonable, the utility model is by the combined regulating of electric expansion valve, hydrojet magnetic valve and capillary in subloop, not only increase the circular flow of the refrigeration system under air source heat pump low temperature environment, suppress air source heat pump heating capacity attenuation rate at low ambient temperatures, and the ability producing high-temperature hot water can be improved, thus reach the object of hot water temperature needed for radiator heat supply.
Accompanying drawing explanation
Fig. 1 is the utility model front view.
Description of reference numerals: 1-tonifying Qi increases enthalpy compressor, 2-four-way change-over valve, 3-indoor heat exchanger, 4-reservoir, 5-economizer, 6-heating power expansion valve, 7-electric expansion valve, 8-check valve, 9-outdoor heat exchanger, 10-gas-liquid separator, 11-hydrojet magnetic valve, 12-capillary.
Detailed description of the invention
Embodiment in is by reference to the accompanying drawings further described by the utility model below:
As shown in Figure 1, the utility model mainly comprises major loop and subloop, and major loop comprises tonifying Qi and increases enthalpy compressor 1, four-way change-over valve 2, indoor heat exchanger 3, reservoir 4, heating power expansion valve 6, outdoor heat exchanger 9 and gas-liquid separator 10.Subloop comprises economizer 5, electric expansion valve 7, hydrojet magnetic valve 11 and capillary 12.
Tonifying Qi increases the first entrance of the first outlet connection four-way change-over valve 2 of enthalpy compressor 1, first outlet of four-way change-over valve 2 connects the first entrance of indoor heat exchanger 3, first outlet of indoor heat exchanger 3 connects the first entrance of reservoir 4, and the first outlet of reservoir 4 connects the first entrance of economizer 5.
First outlet of economizer 5 connects the first entrance of electric expansion valve 7 by the first branch road, first entrance of the first outlet junction chamber external heat exchanger 9 of electric expansion valve 7, first outlet of outdoor heat exchanger 9 connects the second entrance of four-way change-over valve 2, second outlet of four-way change-over valve 2 connects the first entrance of gas-liquid separator 10, and the first outlet of gas-liquid separator 10 connects the first entrance that tonifying Qi increases enthalpy compressor 1.Described electric expansion valve 7 is other is provided with the check valve 8 be connected in parallel with electric expansion valve 7.
First outlet of economizer 5 connects the first entrance of heating power expansion valve 6 by the second branch road, the first outlet of heating power expansion valve 6 connects the second entrance of economizer 5, and the second outlet of economizer 5 connects the gas supplementing opening that tonifying Qi increases enthalpy compressor 1.
First outlet of economizer 5 connects hydrojet magnetic valve 11 first entrance by the 3rd branch road, and the first outlet of hydrojet magnetic valve 11 connects the first entrance of capillary 12, and the first outlet of capillary 12 connects the gas supplementing opening that tonifying Qi increases enthalpy compressor 1.
The utility model is by the combined regulating of electric expansion valve, hydrojet magnetic valve and capillary in subloop, not only increase the circular flow of the refrigeration system under air source heat pump low temperature environment, suppress air source heat pump heating capacity attenuation rate at low ambient temperatures, and the ability producing high-temperature hot water can be improved, thus reach the object of hot water temperature needed for radiator heat supply.
Operation principle of the present utility model is: in a heating mode, and the cold-producing medium of HTHP increases enthalpy compressor through four-way change-over valve from tonifying Qi, flows into reservoir, then shunt through economizer in indoor heat exchanger after cooling.The cold-producing medium flowed out from economizer is divided into three branch roads, first branch road is connected with heating power expansion valve import, second branch road makes cold-producing medium occur temperature difference after electric expansion valve throttling, and flows into the second vapor injection mouth increasing enthalpy compressor by tonifying Qi after the cold-producing medium of economizer carries out heat exchange and enters tonifying Qi and increase enthalpy compressor; Not only can be increased the circular flow of whole refrigeration system by second vapor injection, and can directly reduce by tonifying Qi the delivery temperature that tonifying Qi increases enthalpy compressor, ensure that air source heat pump can efficient in cold environment, stable, reliability service; 3rd branch road solenoid increases enthalpy compressor exhaust temperature height according to tonifying Qi, judge whether to need to open, when compressor exhaust temperature is prescribed a time limit higher than in setting value, magnetic valve is opened, cold-producing medium enters tonifying Qi by the capillary be attached thereto rapidly and increases enthalpy compressor second vapor injection mouth, effectively avoid the heat pump fault that excessive discharge temperature causes, under delivery temperature is down to setting value in limited time, closed electromagnetic valve.

Claims (2)

1. a heat-flash type radiator heating air source heat pump system, comprise major loop and subloop, major loop comprises tonifying Qi and increases enthalpy compressor (1), four-way change-over valve (2), indoor heat exchanger (3), reservoir (4), heating power expansion valve (6), outdoor heat exchanger (9) and gas-liquid separator (10); Subloop comprises economizer (5), electric expansion valve (7), hydrojet magnetic valve (11) and capillary (12), it is characterized in that: tonifying Qi increases the first entrance of the first outlet connection four-way change-over valve (2) of enthalpy compressor (1), first outlet of four-way change-over valve (2) connects the first entrance of indoor heat exchanger (3), first outlet of indoor heat exchanger (3) connects the first entrance of reservoir (4), and the first outlet of reservoir (4) connects the first entrance of economizer (5);
First outlet of economizer (5) connects the first entrance of electric expansion valve (7) by the first branch road, first entrance of the first outlet junction chamber external heat exchanger (9) of electric expansion valve (7), first outlet of outdoor heat exchanger (9) connects the second entrance of four-way change-over valve (2), second outlet of four-way change-over valve (2) connects the first entrance of gas-liquid separator (10), and the first outlet of gas-liquid separator (10) connects the first entrance that tonifying Qi increases enthalpy compressor (1);
First outlet of economizer (5) connects the first entrance of heating power expansion valve (6) by the second branch road, first outlet of heating power expansion valve (6) connects the second entrance of economizer (5), and the second outlet of economizer (5) connects the gas supplementing opening that tonifying Qi increases enthalpy compressor (1);
First outlet of economizer (5) connects hydrojet magnetic valve (11) first entrance by the 3rd branch road, first outlet of hydrojet magnetic valve (11) connects the first entrance of capillary (12), and the first outlet of capillary (12) connects the gas supplementing opening that tonifying Qi increases enthalpy compressor (1).
2. a kind of heat-flash type radiator heating air source heat pump system as claimed in claim 1, is characterized in that: described electric expansion valve (7) is other is provided with the check valve (8) be connected in parallel with electric expansion valve (7).
CN201520749396.XU 2015-09-24 2015-09-24 Heatflash type radiator heat supply air source heat pump system Active CN205026783U (en)

Priority Applications (1)

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CN201520749396.XU CN205026783U (en) 2015-09-24 2015-09-24 Heatflash type radiator heat supply air source heat pump system

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105157086A (en) * 2015-09-24 2015-12-16 无锡同方人工环境有限公司 Heating strengthening type heat supply air source heat pump system for heating radiator
CN107830654A (en) * 2017-12-01 2018-03-23 湖南埃瓦新能源科技有限公司 Low temperature environment cold and heat air energy heat pump
WO2021008331A1 (en) * 2019-07-15 2021-01-21 青岛海尔空调电子有限公司 Heat pump unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105157086A (en) * 2015-09-24 2015-12-16 无锡同方人工环境有限公司 Heating strengthening type heat supply air source heat pump system for heating radiator
CN107830654A (en) * 2017-12-01 2018-03-23 湖南埃瓦新能源科技有限公司 Low temperature environment cold and heat air energy heat pump
WO2021008331A1 (en) * 2019-07-15 2021-01-21 青岛海尔空调电子有限公司 Heat pump unit

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