CN1205440C - Thermal-storage air-cooled heat pump cold-hot water integrating system - Google Patents
Thermal-storage air-cooled heat pump cold-hot water integrating system Download PDFInfo
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- CN1205440C CN1205440C CN 02134446 CN02134446A CN1205440C CN 1205440 C CN1205440 C CN 1205440C CN 02134446 CN02134446 CN 02134446 CN 02134446 A CN02134446 A CN 02134446A CN 1205440 C CN1205440 C CN 1205440C
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Abstract
The present invention relates to a heat accumulation type air cooling heat pump cold-hot water integrated system which comprises a compressor, a water heater, an air cooling heat exchanger, a double valve gear and a water side heat exchanger, and forms an enclosed working cycle loop. The present invention is characterized in that a water heater is added between the compressor and the air cooling heat exchanger, and a heat accumulation device is connected in parallel at the unit hot water outlet and return position. During refrigeration, the present invention makes full use of the condensation heat of high pressure high temperature gas at a gas outlet to increase energy availability, increases the condensation area based on adding water heaters, lowers the condensation temperature and effectively raises the system energy efficiency ratio; during heating, the present invention accumulates heat by the heat pump unit operation during valley point electricity, and releases heat during peak electricity, which effectively lowers the operation cost for users; during cold weather, the present invention accumulates heat at night by the heat accumulation device, supplements heat to the heat pump in daylight to ensure the normal heat supply operation of the heat pump and overcomes the abuse that the heat pump is unable to run effectively in cold areas.
Description
[technical field]
The present invention relates to a kind of air-cooled heat pump cold-hot water integrating air-conditioning system, particularly a kind of thermal-storage air-cooled heat pump cold-hot water integrating air-conditioning system.
[background technology]
Along with the raising day by day of industrial expansion and people's living standard, heat supply, refrigeration have been inseparable in producing, living, and urban life sub-district, commercial building and human whole life have been seemed most important.One of main application of the big city energy is to provide heat and refrigeration to building.The technological development of traditional power system and business-like effort mainly are conceived to independent equipment, for example, and central heating, direct-fired central air conditioning equipment.The common issue with of these equipment is the energy consumption height under the simple target, and these equipment all do not reach the high-efficiency comprehensive utilization of the energy.The equipment investment and the operating cost height (Gas Prices height) of the absorption type cold-hot integral system of direct natural gas fuel, the capacity usage ratio of system is relatively low; The cold and hot equipment of traditional compression, it is in cold district independent utility difficulty, poor availability; And directly utilize the mode of electric boiler, not only energy utilization rate is poor, and operating cost is also high.Therefore, the high-efficiency cold-hot integral system of the specific national conditions of the suitable China of exploitation becomes one of focus developing direction of current energy industry.
[summary of the invention]
The object of the present invention is to provide a kind of energy the high-efficiency comprehensive utilization energy, the particularly thermal-storage air-cooled heat pump cold-hot water integrating system that can effectively turn round at cold district.
The object of the present invention is achieved like this:
A kind of thermal-storage air-cooled heat pump cold-hot water integrating system, it comprises compressor, air-cooled heat exchanger, bivalve mechanism, water side heat exchanger, it also includes water heater, regenerative apparatus; Described water heater is connected between compressor and the air-cooled heat exchanger, and the hot water that regenerative apparatus is attempted by water side heat exchanger goes out, the backwater place; Described water heater delivery port links to each other with the regenerative apparatus water inlet by control valve, and the corresponding delivery port of regenerative apparatus links to each other with the water heater water inlet by control valve.
Aforesaid a kind of thermal-storage air-cooled heat pump cold-hot water integrating system, it is characterized in that being connected to four-way change-over valve at the place, gas outlet of compressor, wherein compressor outlet links to each other with the import of four-way change-over valve higher pressure refrigerant gas, the outlet of four-way change-over valve cooling operation links to each other with the water heater refrigerant inlet, the water heater refrigerant outlet links to each other with the air-cooled heat exchanger refrigerant inlet, the air-cooled heat exchanger refrigerant outlet links to each other with bivalve mechanism, bivalve mechanism links to each other with the water side heat exchanger refrigerant inlet again, the water side heat exchanger refrigerant outlet heats the running outlet with four-way change-over valve and links to each other, the four-way change-over valve refrigerant outlet links to each other with the gas-liquid separator refrigerant inlet, and the gas-liquid separator refrigerant outlet links to each other with compressor inlet.
Aforesaid a kind of thermal-storage air-cooled heat pump cold-hot water integrating system, it is characterized in that described regenerative apparatus water inlet links to each other with the water side heat exchanger delivery port by control valve, the regenerative apparatus delivery port links to each other with the water side heat exchanger water inlet by control valve.
Aforesaid a kind of thermal-storage air-cooled heat pump cold-hot water integrating system, it is characterized in that between two stop valves, connecting in the bivalve mechanism high pressure receiver refrigerant inlet, the high pressure receiver refrigerant outlet links to each other with two-way device for drying and filtering import, the outlet of two-way device for drying and filtering links to each other with the import of mirror liquid device, and mirror liquid device exports with tube connector between two expansion valves in the bivalve mechanism and links to each other.
Aforesaid a kind of thermal-storage air-cooled heat pump cold-hot water integrating system is characterized in that described water heater is a plate type heat exchanger.
Aforesaid a kind of thermal-storage air-cooled heat pump cold-hot water integrating system is characterized in that described regenerative apparatus is a phase transition heat accumulation unit, is provided with heat-insulation layer on device case.
Aforesaid a kind of thermal-storage air-cooled heat pump cold-hot water integrating system is characterized in that described regenerative apparatus is connected by pipeline with water heater.
The present invention adopts the thermal-storage air-cooled heat pump cold-hot water integrating air-conditioning system in conjunction with storage heater and heat regenerator, refrigeration, heating effect with traditional air-conditioning, simultaneously, adopt water heater in refrigeration, to make full use of the condensation heat of compressor outlet high pressure-temperature gas, used heat is carried out effective recovery, improved the effective rate of utilization of the energy, on the basis that increases water heater, increased condensation area simultaneously, reduce condensation temperature, effectively improved the Energy Efficiency Ratio of system; When heating, make full use of national paddy electricity policy, accumulation of heat is carried out in the operation of source pump during by the paddy electricity, carries out heat release when the peak electricity, has effectively reduced user's operating cost; When weather is cold, carry out accumulation of heat at night, carry out concurrent heating to heat pump by day, guarantee the normal heat supply running of heat pump, overcome the shortcoming that heat pump can not effectively turn round at cold district by regenerative apparatus.
[description of drawings]
Be further described below by embodiment and accompanying drawing.
Fig. 1 is a system architecture schematic diagram of the present invention
[specific embodiment]
Referring to accompanying drawing, the present invention includes compressor 1, four-way change-over valve 2, water heater 3, air-cooled heat exchanger 4, bivalve mechanism 5, water side heat exchanger 9, regenerative apparatus 10; Wherein compressor 1 gas outlet links to each other with four-way change-over valve 2 refrigerant inlet, the outlet of four-way change-over valve 2 cooling operations links to each other with water heater 3 refrigerant inlet, water heater 3 refrigerant outlets link to each other with air-cooled heat exchanger 4 refrigerant inlet, air-cooled heat exchanger 4 refrigerant outlets link to each other with bivalve mechanism 5, between two stop valves, connect high pressure receiver 6 refrigerant inlet in the bivalve mechanism 5, high pressure receiver 6 refrigerant outlets link to each other with two-way device for drying and filtering 7 imports, two-way device for drying and filtering 7 outlets link to each other with 8 imports of mirror liquid device, tube connector in mirror liquid device 8 outlet and the bivalve mechanism 5 between two expansion valves links to each other, bivalve mechanism 5 links to each other with water side heat exchanger 9 refrigerant inlet, water side heat exchanger 9 refrigerant outlets heat the running outlet with four-way change-over valve 2 and link to each other, four-way change-over valve 2 refrigerant outlets link to each other with gas-liquid separator 11 refrigerant inlet, and gas-liquid separator 11 refrigerant outlets link to each other with compressor 1 air inlet.Water heater 3 delivery ports link to each other with regenerative apparatus 10 water inlets by three-way solenoid valve, and regenerative apparatus 10 corresponding delivery ports link to each other with water heater 3 water inlets by three-way solenoid valve.Regenerative apparatus 10 water inlets link to each other with water side heat exchanger 9 delivery ports by three-way solenoid valve, and water side heat exchanger 9 water inlets link to each other with regenerative apparatus 10 corresponding delivery ports by three-way solenoid valve.
Compressor 1 adopts scroll compressor.Water heater 3 is a plate type heat exchanger.Regenerative apparatus 10 is a phase transition heat accumulation unit, is provided with heat-insulation layer on device case.Regenerative apparatus 10 and water heater 3 are connected by pipeline.
Use when of the present invention, when cooling operation, compressor 1 is discharged high-temperature high-pressure refrigerant gas, carry out heat exchange through four-way change-over valve 2 to water heater 3 and water and become gas-liquid mixture, water after the intensification is directly used by the user by pipeline, the high-pressure refrigerant gas-liquid mixture that comes out from water heater 3 enters air-cooled heat exchanger 4 and carries out condensation, form the high pressure low temperature refrigerant liquid, the stop valve of high pressure low temperature refrigerant liquid through bivalve mechanism 5 that comes out from air-cooled heat exchanger 4 is to high pressure receiver 6, again by the expansion valve in two-way device for drying and filtering 7 and the mirror liquid device 8 arrival bivalve mechanisms 5, after the step-down throttling by expansion valve, the refrigerant liquid of high pressure low temperature becomes the refrigerant air-liquid mixture of low-pressure low-temperature, the refrigerant air-liquid mixture of low-pressure low-temperature enters water side heat exchanger 9 and carries out the refrigerant gas that heat exchange forms low-pressure low-temperature with water, water after the cooling carries out heat exchange by end equipment in the user area, cooling operation is carried out in the user area, and the refrigerant gas of low-pressure low-temperature is successively by four-way change-over valve 2 and gas-liquid separator 11, get back to compressor 1 air entry at last, further discharge the compression back again, constitutes the working cycles loop of sealing.
When heating running, compressor 1 is discharged high-temperature high-pressure refrigerant gas, carry out the refrigerant liquid that heat exchange becomes high pressure low temperature through four-way change-over valve 2 to water side heat exchanger 9 and water, water after the intensification carries out heat exchange by end equipment and heats running in the user area, or carry out heat accumulation to regenerative apparatus 10, the stop valve of refrigerant liquid through bivalve mechanism 5 of the high pressure low temperature that comes out from water side heat exchanger 9 is to high pressure receiver 6, again by the expansion valve in two-way device for drying and filtering 7 and the mirror liquid device 8 arrival bivalve mechanisms 5, after the step-down throttling by expansion valve, the refrigerant liquid of high pressure low temperature becomes the refrigerant air-liquid mixture of low-pressure low-temperature, the refrigerant air-liquid mixture of low-pressure low-temperature enters air-cooled heat exchanger 4 and carries out the refrigerant gas that heat exchange forms low-pressure low-temperature with air, the refrigerant gas of low-pressure low-temperature is successively by water heater 3, four-way change-over valve 2 and gas-liquid separator 11, get back to compressor 1 air entry at last, further discharge the compression back again, constitutes the working cycles loop of sealing.Under cold climate, the refrigerant gas of low-pressure low-temperature carries out concurrent heating at the hot water that water heater 3 places come by regenerative apparatus 10, make the refrigerant gas of low-pressure low-temperature reach the working condition of metric system heat run, thereby make unit normally heat running, overcome the shortcoming that traditional wind-cooled heat pump cold/hot water air-conditioner group can not turn round at cold district.
Claims (7)
1, a kind of thermal-storage air-cooled heat pump cold-hot water integrating system, it comprises compressor (1), air-cooled heat exchanger (4), bivalve mechanism (5), water side heat exchanger (9), water heater (3), regenerative apparatus (10); Described water heater (3) is connected between compressor (1) and the air-cooled heat exchanger (4); Described water heater (3) delivery port links to each other with regenerative apparatus (10) water inlet by control valve, and the corresponding delivery port of regenerative apparatus (10) links to each other with water heater (3) water inlet by control valve; It is characterized in that the hot water that regenerative apparatus (10) is attempted by water side heat exchanger (9) goes out, the backwater place.
2, a kind of thermal-storage air-cooled heat pump cold-hot water integrating system according to claim 1, it is characterized in that being connected to four-way change-over valve (2) at the place, gas outlet of compressor (1), wherein compressor (1) gas outlet links to each other with four-way change-over valve (2) higher pressure refrigerant gas import, the outlet of four-way change-over valve (2) cooling operation links to each other with water heater (3) refrigerant inlet, water heater (3) refrigerant outlet links to each other with air-cooled heat exchanger (4) refrigerant inlet, air-cooled heat exchanger (4) refrigerant outlet links to each other with bivalve mechanism (5), bivalve mechanism (5) links to each other with water side heat exchanger (9) refrigerant inlet again, water side heat exchanger (9) refrigerant outlet heats the running outlet with four-way change-over valve (2) and links to each other, four-way change-over valve (2) refrigerant outlet links to each other with gas-liquid separator (11) refrigerant inlet, and gas-liquid separator (11) refrigerant outlet links to each other with compressor (1) air inlet.
3, a kind of thermal-storage air-cooled heat pump cold-hot water integrating system according to claim 1 and 2, it is characterized in that described regenerative apparatus (10) water inlet links to each other with water side heat exchanger (9) delivery port by control valve, regenerative apparatus (10) delivery port links to each other with water side heat exchanger (9) water inlet by control valve.
4, a kind of thermal-storage air-cooled heat pump cold-hot water integrating system according to claim 3, it is characterized in that between two stop valves, connecting in the bivalve mechanism (5) high pressure receiver (6) refrigerant inlet, high pressure receiver (6) refrigerant outlet links to each other with two-way device for drying and filtering (7) import, two-way device for drying and filtering (7) outlet links to each other with mirror liquid device (8) import, and mirror liquid device (8) exports with tube connector between two expansion valves in the bivalve mechanism (5) and links to each other.
5, a kind of thermal-storage air-cooled heat pump cold-hot water integrating system according to claim 4 is characterized in that described water heater (3) is a plate type heat exchanger.
6, a kind of thermal-storage air-cooled heat pump cold-hot water integrating system according to claim 4 is characterized in that described regenerative apparatus (10) is a phase transition heat accumulation unit, is provided with heat-insulation layer on device case.
7, a kind of thermal-storage air-cooled heat pump cold-hot water integrating system according to claim 4 is characterized in that described regenerative apparatus (10) is connected by pipeline with water heater (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02134446 CN1205440C (en) | 2002-07-26 | 2002-07-26 | Thermal-storage air-cooled heat pump cold-hot water integrating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02134446 CN1205440C (en) | 2002-07-26 | 2002-07-26 | Thermal-storage air-cooled heat pump cold-hot water integrating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1470812A CN1470812A (en) | 2004-01-28 |
| CN1205440C true CN1205440C (en) | 2005-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02134446 Expired - Fee Related CN1205440C (en) | 2002-07-26 | 2002-07-26 | Thermal-storage air-cooled heat pump cold-hot water integrating system |
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| CN (1) | CN1205440C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102373998B (en) * | 2010-08-11 | 2013-03-20 | 中国科学院工程热物理研究所 | System and method for combined supplying of living hot water/electricity by combining fossil fuel with terrestrial heat |
| CN102022871A (en) * | 2010-12-09 | 2011-04-20 | 东莞市泰格冷热设备有限公司 | Constant temperature control device of cooling and heating integrated machine |
| CN109556292A (en) * | 2018-12-21 | 2019-04-02 | 珠海格力电器股份有限公司 | Temperature adjusting device and water heater |
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2002
- 2002-07-26 CN CN 02134446 patent/CN1205440C/en not_active Expired - Fee Related
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| CN1470812A (en) | 2004-01-28 |
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