CN105157086A - Heating strengthening type heat supply air source heat pump system for heating radiator - Google Patents
Heating strengthening type heat supply air source heat pump system for heating radiator Download PDFInfo
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- CN105157086A CN105157086A CN201510618896.4A CN201510618896A CN105157086A CN 105157086 A CN105157086 A CN 105157086A CN 201510618896 A CN201510618896 A CN 201510618896A CN 105157086 A CN105157086 A CN 105157086A
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- heat pump
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- 238000005728 strengthening Methods 0.000 title abstract 4
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 230000001502 supplementing effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000007921 spray Substances 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 241001212038 Arcola Species 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention belongs to the technical field of air source heat pumps, relates to an air source heat pump system, in particular to a heating strengthening type heat supply air source heat pump system for a heating radiator. The heating strengthening type heat supply air source heat pump system comprises a main loop and an auxiliary loop. A first outlet of an air-supplying enthalpy-adding compressor is connected with a first inlet of a four-way reversing valve. A first outlet of the four-way reversing valve is connected with a first inlet of an indoor heat exchanger. A first outlet of the indoor heat exchanger is connected with a first inlet of a liquid storage device. A first outlet of the liquid storage device is connected with a first inlet of an economizer. According to the heating strengthening type heat supply air source heat pump system, an electronic expansion valve, a spray solenoid valve and a capillary tube in the auxiliary loop are adjusted and controlled in a linkage manner, the circular flow of a refrigerating system under the air source heat pump low-temperature environment is increased, the heating capacity attenuation rate of an air source heat pump under the low temperature environment is restrained, the capacity of supplying high-temperature hot water can be improved, and thus the purpose that the requirement for the hot water temperature of heat supply of the heating radiator is met is achieved.
Description
Technical field
The present invention relates to a kind of air source heat pump system, 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 object of the invention 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 technical scheme provided by the invention, 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 present invention has the following advantages:
Structure of the present invention is simple, compact, reasonable, the present invention 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 front view of the present invention.
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 present invention below:
As shown in Figure 1, the present invention 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 present invention 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 invention 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510618896.4A CN105157086A (en) | 2015-09-24 | 2015-09-24 | Heating strengthening type heat supply air source heat pump system for heating radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510618896.4A CN105157086A (en) | 2015-09-24 | 2015-09-24 | Heating strengthening type heat supply air source heat pump system for heating radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105157086A true CN105157086A (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510618896.4A Pending CN105157086A (en) | 2015-09-24 | 2015-09-24 | Heating strengthening type heat supply air source heat pump system for heating radiator |
Country Status (1)
| Country | Link |
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| CN (1) | CN105157086A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163367A (en) * | 2018-09-06 | 2019-01-08 | 大连民族大学 | A kind of air-source with second vapor injection-water source combined heat-pump heat supply method |
| CN111023605A (en) * | 2019-12-20 | 2020-04-17 | 北京工业大学 | A kind of high-pressure ratio refrigeration compressor split gas-liquid co-injection air supply port collaborative cooling method |
| CN114251848A (en) * | 2021-12-29 | 2022-03-29 | 无锡同方人工环境有限公司 | Air source heat pump hot water system and control method |
Citations (7)
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| CN101140122A (en) * | 2007-09-30 | 2008-03-12 | 无锡同方人工环境有限公司 | Heat pump machine group of combined throttling set |
| US20120006048A1 (en) * | 2005-08-22 | 2012-01-12 | Emerson Climate Technologies, Inc. | Compressor with vapor injection system |
| CN102679609A (en) * | 2012-06-07 | 2012-09-19 | 四川同达博尔置业有限公司 | Air-cooled heat pump air conditioner |
| CN202993700U (en) * | 2012-12-18 | 2013-06-12 | 珠海格力电器股份有限公司 | Two-stage compression refrigeration system with liquid supplementing and cooling functions |
| CN103528267A (en) * | 2013-10-11 | 2014-01-22 | 无锡同方人工环境有限公司 | Low-environmental-temperature air source heat pump refrigerating system with heat pipe loop |
| CN103727663A (en) * | 2013-12-30 | 2014-04-16 | 唐福良 | Crude oil heating system of directly-heated type air source heat pump |
| CN205026783U (en) * | 2015-09-24 | 2016-02-10 | 无锡同方人工环境有限公司 | Heatflash type radiator heat supply air source heat pump system |
-
2015
- 2015-09-24 CN CN201510618896.4A patent/CN105157086A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120006048A1 (en) * | 2005-08-22 | 2012-01-12 | Emerson Climate Technologies, Inc. | Compressor with vapor injection system |
| CN101140122A (en) * | 2007-09-30 | 2008-03-12 | 无锡同方人工环境有限公司 | Heat pump machine group of combined throttling set |
| CN102679609A (en) * | 2012-06-07 | 2012-09-19 | 四川同达博尔置业有限公司 | Air-cooled heat pump air conditioner |
| CN202993700U (en) * | 2012-12-18 | 2013-06-12 | 珠海格力电器股份有限公司 | Two-stage compression refrigeration system with liquid supplementing and cooling functions |
| CN103528267A (en) * | 2013-10-11 | 2014-01-22 | 无锡同方人工环境有限公司 | Low-environmental-temperature air source heat pump refrigerating system with heat pipe loop |
| CN103727663A (en) * | 2013-12-30 | 2014-04-16 | 唐福良 | Crude oil heating system of directly-heated type air source heat pump |
| CN205026783U (en) * | 2015-09-24 | 2016-02-10 | 无锡同方人工环境有限公司 | Heatflash type radiator heat supply air source heat pump system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163367A (en) * | 2018-09-06 | 2019-01-08 | 大连民族大学 | A kind of air-source with second vapor injection-water source combined heat-pump heat supply method |
| CN111023605A (en) * | 2019-12-20 | 2020-04-17 | 北京工业大学 | A kind of high-pressure ratio refrigeration compressor split gas-liquid co-injection air supply port collaborative cooling method |
| CN114251848A (en) * | 2021-12-29 | 2022-03-29 | 无锡同方人工环境有限公司 | Air source heat pump hot water system and control method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151216 |