CN204240636U - A kind of new type solar energy-air energy combined heat-pump cold and heat combined supply unit - Google Patents
A kind of new type solar energy-air energy combined heat-pump cold and heat combined supply unit Download PDFInfo
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- CN204240636U CN204240636U CN201420634097.7U CN201420634097U CN204240636U CN 204240636 U CN204240636 U CN 204240636U CN 201420634097 U CN201420634097 U CN 201420634097U CN 204240636 U CN204240636 U CN 204240636U
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Abstract
The utility model relates to a kind of new type solar energy-air energy combined heat-pump cold and heat combined supply unit, belongs to HVAC heat supply process field.The utility model comprises solar-energy air-energy combined heat-pump main frame, solar heat-collection and heat-accumulation device, indoor end and corresponding connecting pipe; Described indoor end comprise in fan coil, grounding heat coil tube, capillary network one or both be combined to form; Described solar energy-air energy combined heat-pump main frame comprises three-way diverter valve, the first circulating pump, blower fan, four-way change-over valve, compressor, water-side heat, the second circulating pump, air side heat exchanger, expansion valve, the 3rd circulating pump and corresponding connecting pipe, and it is inner to be all arranged on combined heat-pump main frame; The import and export of described solar energy-air energy combined heat-pump main frame are provided with six, connect solar thermal collector, hot water storage tank and indoor end import and export respectively by pipeline.The utility model has compact conformation, volume is little, cost is low, low-temperature heating efficiency is high, the feature of energy-conserving and environment-protective, can expand the scope of application of air source heat pump, have higher environment, economic and social benefit.
Description
Technical field:
The utility model relates to a kind of new type solar energy-air energy combined heat-pump cold and heat combined supply unit, belongs to HVAC heat supply process field.
Background technology
The good behaviour that is energy-saving and cost-reducing with it and environmental protection aspect of air energy heat pump technology generally receives the concern of people, and its structure is simple, easy to install, and operating cost is 1/4 of electric heating, 1/3 of natural gas heating.But the use of air energy heat pump is subject to the restriction of environment temperature, its heat capacity and heating performance coefficient can reduce along with the reduction of outside air temperature, and refrigerating capacity and heating capacity are difficult to adapt with Building Cooling load.Winter also has outdoor frosting problem, and regular air energy heat pump is not also suitable for the cold districts such as China northeast, northwest, North China.
Solar energy and air all can belong to regenerative resource.If using solar energy and air can two kinds of low-grade energies as thermal source, carry out combination to utilize, not only can solve the degradation problem under air energy heat pump low temperature well, improve reliability and the applicability of air source heat pump, and, the intermittence of solar energy can also be solved, avoid rainy weather without the available problem of solar heat.Solar energy-air energy combined heat-pump system achieves the complicated utilization of these two kinds of thermals source, and it can meet the demand of Winter heat supply, cooling in summer, and utilization rate of equipment and installations is high.
The heat pump composite that the scientific research institutions such as Tsing-Hua University, Guangzhou energy institute of the Chinese Academy of Sciences, Shanghai Communications University, Southeast China University, Institutes Of Technology Of Nanjing all can combine to solar energy and the air comparatively deep research that utilized technology to carry out.Domestic and international related research institutes mainly lays particular emphasis on following two aspects: 1, indirect type solar energy and the combined heat pump techniques of air energy, adopts solar energy and air energy alternate run pattern; 2, direct expanding solar heating pump technology, using the evaporimeter of solar thermal collector as air energy heat pump, forms integrated structure form, adopts combined solar and air energy synchronous operation pattern.
Indirect type solar energy and the combined heat pump of air energy are provided with the evaporimeter (heat exchanger) of two serial or parallel connections, and system, according to the different operating mode of cooling and warming, adopts two evaporimeter (heat exchanger) alternate run modes.But the combined heat pump of indirect type not only increases unit and takes up room and cost of investment, and the operation of unit relies on solar radiation situation and outdoor air environment, can not make full use of the comprehensive advantage of solar energy and air energy.Direct expanding solar heating pump employing solar thermal collector/evaporator with heat pump overall structure form, can realize solar energy and air energy synchronization combining utilizes.Direct expanding solar heating pump compact conformation, equipment is simple, is convenient to realize, but in actual applications, this system is easily by the impact of surrounding air, solar radiation and evaporating temperature and environment temperature relation, and control ability is poor, operation that can not be effectively stable, is difficult to realize mass market and promotes.
Utility model content
For existing indirect type and direct-expansion type solar energy-air energy heat pump systems technology is complicated, cost is high, the deficiency of fluctuation of service, proposes and disclose a kind of novel solar energy-air energy combined heat-pump cold and heat combined supply unit.
The technical solution of the utility model is as follows:
A kind of novel solar energy-air energy combined heat-pump cold and heat combined supply unit comprises solar-energy air-energy combined heat-pump main frame, solar heat-collection and heat-accumulation device, indoor end and corresponding connecting pipe;
Described solar heat-collection and heat-accumulation device comprises the pipeline of solar thermal collector, hot water storage tank, coiled heat exchanger and connecting components; Described coiled heat exchanger is arranged on hot water storage tank inside, and is positioned at hot water storage tank middle and lower part; Described solar thermal collector is flat plate collector or vacuum tube type heat collector.
Described indoor end comprise in fan coil, grounding heat coil tube, capillary network one or both be combined to form, also comprise the interior radiator being applicable to middle low temperature cold hot water (5 DEG C ~ 60 DEG C);
Described solar energy-air energy combined heat-pump main frame comprises three-way diverter valve, the first circulating pump, blower fan, four-way change-over valve, compressor, water-side heat, the second circulating pump, air side heat exchanger, expansion valve, the 3rd circulating pump and corresponding connecting pipe;
It is inner that described three-way diverter valve, the first circulating pump, blower fan, four-way change-over valve, compressor, water-side heat, the second circulating pump, air side heat exchanger, expansion valve, the 3rd circulating pump are all arranged on combined heat-pump main frame;
The import and export of described solar energy-air energy combined heat-pump main frame are provided with six, connect solar thermal collector, hot water storage tank and indoor end import and export respectively by pipeline;
The working media of described first circulating pump, the second circulating pump is the one in water, conduction oil or glycol water;
Described three-way diverter valve is imported and exported and is connected the first circulating pump, solar thermal collector and coiled heat exchanger respectively;
Described water-side heat is plate type heat exchanger or pipe heat exchanger; Described pipe heat exchanger is water-water or water-steam pipe type heat exchanger, also can be dual-tubes heat exchanger;
Described air side heat exchanger is coaxial sleeve finned heat exchanger; Described coaxial sleeve finned heat exchanger is made up of two coaxial internal and external casings, and outer tube wall is connected with air-cooled fin; Described coaxial internal and external casing, in it, pipe tube chamber is working fluid for solar energy circulatory flow, and it is refrigerant vapor compression cycle runner that inner and outer pipes surrounds the tube chamber formed;
Described three-way diverter valve is with the conducting function of three kinds of states, and its spool can be in three kinds of different positions according to control overflow, and is in three kinds of different conducting states (a-b, a-c, b-c) respectively.
Further,
Described three-way diverter valve and first, second circulating pump, can form three kinds of different recuperated cycle according to control signal.When three-way diverter valve port a-b conducting, the first circulating pump is opened, the second circulation pump, then form water tank heat storage-evaporimeter indirect heat exchange circulation.When three-way diverter valve port a-c conducting, the first circulating pump is opened, the second circulation pump, then form solar energy heating-evaporimeter direct heat transfer circulation.When three-way diverter valve port b-c conducting, the first circulation pump, the second circulating pump is opened, then form solar energy heating-water tank heat storage circulation.
Under the various operating modes of the utility model DIFFERENT METEOROLOGICAL CONDITIONS, different outdoor environment temperature, user's cooling in summer, Winter heat supply requirement can be met.The utility model realizes following four kinds of mode of operations:
1, separate refrigeration: directly adopt wind-cooled cold-water mechanism cold mode of operation.
2, refrigeration+domestic hot-water: when solar radiation is sufficient, wind-cooled cold-water machine provides refrigerating function, solar energy heating supply domestic hot-water.When without solar radiation, wind-cooled cold-water machine provides refrigerating function, condensing units supply domestic hot-water.When between meteorological condition is in or without solar radiation, wind-cooled cold-water machine provides refrigerating function, solar energy heating and condensing units joint supply domestic hot-water.
3, heating separately: as outdoor environment temperature >5 DEG C, is that heat supply provides main heating source with air energy heat pump, and auxiliary vulcanizing with solar energy fills heat source.As outdoor environment temperature <5 DEG C, synchronously provide heat source with solar energy and air energy combined heat-pump.
4, domestic hot-water: solar energy heating provides domestic hot-water.
The beneficial effect that the utility model obtains is: adopt integrated form combined heat-pump main frame pattern, have compact conformation, volume is little, and cost is low, is convenient to the feature of installation and maintenance.This utility model can meet refrigeration, heating demand under different operating mode, solar energy improves heat pump operating efficiency in the winter time, avoids or reduces defrost process, reduces energy consumption, expand the scope of application of air source heat pump, have higher environment, economic and social benefit.
Accompanying drawing explanation
Fig. 1 is solar energy-air energy combined heat-pump cold and heat combined supply machine set system structure chart.
In figure: the cold and hot main frame 1 of solar energy-air energy combined heat-pump, three-way diverter valve 2, first circulating pump 3, blower fan 4, four-way change-over valve 5, compressor 6, water-side heat 7, solar thermal collector 8, hot water storage tank 9, coiled heat exchanger 10, second circulating pump 11, air side heat exchanger 12, expansion valve 13, the 3rd circulating pump 14, first indoor set end 15, N indoor set end 16.
Detailed description of the invention
Specific implementation method is elaborated below in conjunction with Fig. 1:
Compressor 6, water-side heat 7, expansion valve 13, four-way change-over valve 5, air side heat exchanger 12 are connected by refrigerant tubing, form vapour compression refrigeration and heat circulation.Two-port in four-way change-over valve 5 four ports connects compressor air inlet/outlet, and another two-port connects the coolant channel of water-side heat and air side heat exchanger.Expansion valve 13 is connected between air side heat exchanger 12 and water-side heat 7 by pipeline, and compressor and four-way change-over valve are connected to the opposite side between air side heat exchanger 12 and water-side heat 7 by pipeline.
When four-way change-over valve 5 is switched to kind of refrigeration cycle, air side heat exchanger 12 is condenser, and water-side heat 7 is evaporimeter; Four-way change-over valve 5 is switched to and heats circulation time, and water-side heat 7 is condenser, and air side heat exchanger 12 is evaporimeter.
First indoor end 15 is imported and exported by pipeline in parallel with N indoor end 16, and the 3rd circulating pump 14 is connected between water-side heat 7 and indoor end by pipeline, composition indoor set hot and cold water recuperated cycle.
Three ports of three-way diverter valve 2 (a shown in Fig. 1, b, c) are connected to the outlet of the first circulating pump 3, coiled heat exchanger 10 and solar thermal collector 8 port respectively by pipeline.First circulating pump 3 is connected between air side heat exchanger 12 and three-way diverter valve 2 by pipeline.Second circulating pump 11 import is connected to the solar energy energy working medium runner mouth of air side heat exchanger 12 by pipeline, and outlet is connected by pipeline with coiled heat exchanger 10.The port of export of solar thermal collector 8 is connected to the entrance point of the second circulating pump 11.
Blower fan 4 is fixed on the tip position of the cold and hot main frame 1 of solar energy-air energy combined heat-pump, and air-out direction is straight up, and the ambient side of air side heat exchanger 12 allows empty air flow energy to flow freely.Three-way diverter valve 2, first circulating pump 3, blower fan 4, four-way change-over valve 5, compressor 6, water-side heat 7, second circulating pump 11, air side heat exchanger 12, expansion valve 13, the 3rd circulating pump 14 are all arranged on the inside of the cold and hot main frame 1 of solar energy-air energy combined heat-pump.The import and export of solar energy-air energy combined heat-pump main frame 1 are provided with six, connect solar thermal collector 8, hot water storage tank 9 and indoor end 15,16 import and export respectively by pipeline.
Claims (2)
1. a novel solar energy-air energy combined heat-pump cold and heat combined supply unit comprises solar-energy air-energy combined heat-pump main frame (1), solar heat-collection and heat-accumulation device, indoor end (15,16) and corresponding connecting pipe;
Described solar heat-collection and heat-accumulation device comprises the pipeline of solar thermal collector (8), hot water storage tank (9), coiled heat exchanger (10) and connecting components; It is inner that described coiled heat exchanger (10) is arranged on hot water storage tank (9), and be positioned at hot water storage tank (9) middle and lower part; Described solar thermal collector (8) is flat plate collector or vacuum tube type heat collector;
Described indoor end (15,16) comprise in fan coil, grounding heat coil tube, capillary network one or both be combined to form, also comprise the interior radiator being applicable to middle low temperature cold hot water (5 DEG C ~ 60 DEG C);
Described solar energy-air energy combined heat-pump main frame (1) comprises three-way diverter valve (2), the first circulating pump (3), blower fan (4), four-way change-over valve (5), compressor (6), water-side heat (7), the second circulating pump (11), air side heat exchanger (12), expansion valve (13), the 3rd circulating pump (14) and corresponding connecting pipe;
It is inner that described three-way diverter valve (2), the first circulating pump (3), blower fan (4), four-way change-over valve (5), compressor (6), water-side heat (7), the second circulating pump (11), air side heat exchanger (12), expansion valve (13), the 3rd circulating pump (14) are all arranged on combined heat-pump main frame;
The import and export of described solar energy-air energy combined heat-pump main frame (1) are provided with six, connect solar thermal collector (8), hot water storage tank (9) and indoor end (15,16) import and export respectively by pipeline;
The working media of described first circulating pump (3), the second circulating pump (11) is the one in water, conduction oil or glycol water;
Described three-way diverter valve (8) is imported and exported and is connected the first circulating pump (3), solar thermal collector (9) and coiled heat exchanger (10) respectively;
Described water-side heat (7) is plate type heat exchanger or pipe heat exchanger; Described pipe heat exchanger is water-water or water-steam pipe type heat exchanger, also can be dual-tubes heat exchanger;
Described air side heat exchanger (12) is coaxial sleeve finned heat exchanger; Described coaxial sleeve finned heat exchanger is made up of two coaxial internal and external casings, and outer tube wall is connected with air-cooled fin; Described coaxial internal and external casing, in it, pipe tube chamber is working fluid for solar energy circulatory flow, and it is refrigerant vapor compression cycle runner that inner and outer pipes surrounds the tube chamber formed.
2. a kind of new type solar energy according to claim 1-air energy combined heat-pump cold and heat combined supply unit, it is characterized in that: described three-way diverter valve (8) is with the conducting function of three kinds of states, its spool can be in three kinds of different positions according to control overflow, and is in three kinds of different conducting states (a-b, a-c, b-c) respectively; Described three-way diverter valve (8) and the first circulating pump (3), the second circulating pump (11), can form three kinds of different recuperated cycle according to control signal; When three-way diverter valve (8) port (a-b) conducting, the first circulating pump (3) is opened, and the second circulating pump (11) cuts out, then form hot water storage tank-evaporimeter indirect heat exchange circulation; When three-way diverter valve (8) port (a-c) conducting, the first circulating pump (3) is opened, and the second circulating pump (11) cuts out, then form solar energy heating-evaporimeter direct heat transfer circulation; When three-way diverter valve (8) port (b-c) conducting, the first circulating pump (3) cuts out, and the second circulating pump (11) is opened, then form solar energy heating-hot water storage tank circulation.
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| CN201420634097.7U CN204240636U (en) | 2014-10-29 | 2014-10-29 | A kind of new type solar energy-air energy combined heat-pump cold and heat combined supply unit |
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| CN201420634097.7U CN204240636U (en) | 2014-10-29 | 2014-10-29 | A kind of new type solar energy-air energy combined heat-pump cold and heat combined supply unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066510A (en) * | 2015-07-28 | 2015-11-18 | 侴乔力 | Air-solar-combining-source-driving household type heat pump air-conditioning water heating unit |
| CN105627623A (en) * | 2014-10-29 | 2016-06-01 | 上海华恩利热能机器股份有限公司 | Novel solar energy-air energy combined heat pump cold-heat combined supply unit |
| CN110469896A (en) * | 2019-07-29 | 2019-11-19 | 合肥中南光电有限公司 | A kind of solar air source hybrid system |
| CN110793234A (en) * | 2019-09-30 | 2020-02-14 | 珠海格力电器股份有限公司 | Heat pump system with double media PVT coupled for night radiation, control method and intelligent household appliance |
| CN113566450A (en) * | 2021-06-29 | 2021-10-29 | 日出东方控股股份有限公司 | Cold and hot combined supply system for defrosting by using clean heat energy and control method |
-
2014
- 2014-10-29 CN CN201420634097.7U patent/CN204240636U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627623A (en) * | 2014-10-29 | 2016-06-01 | 上海华恩利热能机器股份有限公司 | Novel solar energy-air energy combined heat pump cold-heat combined supply unit |
| CN105066510A (en) * | 2015-07-28 | 2015-11-18 | 侴乔力 | Air-solar-combining-source-driving household type heat pump air-conditioning water heating unit |
| CN110469896A (en) * | 2019-07-29 | 2019-11-19 | 合肥中南光电有限公司 | A kind of solar air source hybrid system |
| CN110793234A (en) * | 2019-09-30 | 2020-02-14 | 珠海格力电器股份有限公司 | Heat pump system with double media PVT coupled for night radiation, control method and intelligent household appliance |
| CN113566450A (en) * | 2021-06-29 | 2021-10-29 | 日出东方控股股份有限公司 | Cold and hot combined supply system for defrosting by using clean heat energy and control method |
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Address after: No. 20, Lane 3581, Shanghai Qingpu District, 201700 Patentee after: Shanghai Hua-enly Heat Energy Machine Co., Ltd. Address before: Room 813, Greenbelt Huichuang International Building, 275-8 Guoding East Road, Yangpu District, Shanghai, 2003 Patentee before: Shanghai Hua-enly Heat Energy Machine Co., Ltd. |