CN103267387B - Heating-and-refrigeration integrated type heat supply system by means of solar energy assisted by air source heat pump - Google Patents
Heating-and-refrigeration integrated type heat supply system by means of solar energy assisted by air source heat pump Download PDFInfo
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- CN103267387B CN103267387B CN201310215743.6A CN201310215743A CN103267387B CN 103267387 B CN103267387 B CN 103267387B CN 201310215743 A CN201310215743 A CN 201310215743A CN 103267387 B CN103267387 B CN 103267387B
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Abstract
The invention discloses a heating-and-refrigeration integrated type heat supply system by means of solar energy assisted by an air source heat pump. The heating-and-refrigeration integrated type heat supply system by means of the solar energy assisted by the air source heat pump comprises a heating-and-refrigeration branch, a water returning branch and an air source heat pump branch, wherein the heating-and-refrigeration branch comprises a solar thermal collector, a first electromagnetic valve, a solar heat pump, a first stop valve, a second stop valve and an electric heater, and the first electromagnetic valve, the solar heat pump, the first stop valve, the second stop valve and the electric heater are connected in sequence from the water outlet of the solar thermal collector; the water returning branch comprises a first check valve, a third stop valve, a solar circulating pump, a second electromagnetic valve, a second check valve and a circulating pump, and the first check valve, the third stop valve, the solar circulating pump, the second electromagnetic valve, the second check valve and the circulating pump are connected in sequence from the water inlet of the solar thermal collector; the air source heat pump branch comprises the air source heat pump and a stop valve, and a heat pump controller and an indoor temperature controller are connected to the air source heat pump. In summer, the indoor temperature controller of the air source heat pump output signals, the air source heat pump starts to work, cool air can be sent in a room by means of the circulating pump through a pipeline, and the refrigeration effect is achieved.
Description
technical field:
The present invention relates to technical field of solar utilization technique, particularly a kind of air source heat pump assisted solar integrated heating refrigerating and heat-supplying system.
background technology:
Air source heat pump is that low temperature heat energy is converted to high temperature heat and reaches the mechanical device of heating effect by a kind of artificial technology of utilization.Air source heat pump, by the heat absorption such as natural air, underground water, river, seawater, the sewage energy of low-temperature heat source as surrounding environment, is then converted to higher temperatures thermal source and is released in required space or other region.Namely this device can be used as heat supply heating equipment, can be used as again refrigeration cool-down equipment, thus reaches the object of dual-use.
The fast development of human society, a large amount of use of the fossil energies such as coal, oil, natural gas and exhaustive exploitation, cause serious environmental pollution and energy scarcity, environmental pollution and energy scarcity problem have become the cardinal task threatening human survival, particularly particularly important to the exploitation of solar-energy air-energy to the exploitation of clean energy resource.The another kind of form of solar energy is exactly air energy, the heat energy release of sunlight in atmosphere, the energy of " hiding " that a large amount of we can not directly utilize just is there is in air, if we out change into hot water its " extraction " carry out heating, it does not need again the direct projection of sunshine, its installation is not by the restriction of lighting surface, and this equipment is exactly effective tool---the solar heat pump utilizing air energy.
Solar thermal collector uses comparatively general on building heating, supplying hot water in recent years, a large amount of non-renewable energy resources are saved, but consider that north of china in winter is cold, the rainy weather in little and other areas of solar incident angle, solar energy heating effect is bad, and many buildings still have employed traditional coal/natural gas heating, supplying hot water mode.
summary of the invention:
Given this, be necessary to design a kind of air source heat pump assisted solar integrated heating refrigerating and heat-supplying system.
A kind of air source heat pump assisted solar integrated heating refrigerating and heat-supplying system, comprising: heating refrigeration branch road, backwater branch road, air source heat pump branch road.
Wherein, heating refrigeration branch road the first magnetic valve, solar heat pump, the first stop valve, the second stop valve, the electric heater that comprise solar thermal collector and connect successively from solar thermal collector delivery port; Heating refrigeration branch road also comprises the 3rd branch's branch road, 3rd branch's branch road arises between solar thermal collector and the first magnetic valve and terminates between solar heat pump and the second stop valve, and the 3rd branch's branch road connects the 3rd magnetic valve, the 3rd non-return valve successively by pipeline; Backwater branch road comprises the first non-return valve, the 3rd stop valve, solar energy circulating pump, the second magnetic valve, the second non-return valve, the circulating pump that connect successively from solar thermal collector water inlet; Backwater branch road also comprises the 4th branch's branch road, and the 4th branch's branch road arises between solar energy circulating pump and solar heat pump and terminates between the second magnetic valve and the second non-return valve, and the 4th branch's branch road comprises the 4th stop valve; Be parallel with air source heat pump branch road at third and fourth branch's branch road end, air source heat pump branch road comprises air source heat pump and stop valve, and air source heat pump is associated with heat pump controller and indoor thermostat.
In the threeway junction of solar thermal collector, solar thermal collector delivery port, the 3rd branch's branch road left end, the threeway junction of the 4th branch's branch road left end is respectively equipped with temperature sensor, and its temperature recorded represents with T1 ', T1, T3, T2 respectively:
As T1-T2>8C °, and during T3<35C °, solar energy circulating pump, solar heat pump work, the second magnetic valve, the first magnetic valve are opened; During T1-T2<4C °, or during T3>40C °, solar energy circulating pump, solar heat pump stop, the second magnetic valve, the first closed electromagnetic valve.
During T1 ' >55C °, the work of solar energy circulating pump, the 3rd magnetic valve are opened, the second magnetic valve, the first closed electromagnetic valve, and solar heat pump stops; During T1<45C °, solar energy circulating pump stops, the 3rd magnetic valve, the second magnetic valve, the first closed electromagnetic valve.
During temperature≤the 18C ° of indoor thermostat, air source heat pump work, circulating pump work, the temperature >=24C ° of indoor thermostat, air source heat pump stops, and circulating pump stops.
Air source heat pump work is after 16 hours, and electric heater is started working.
Preferably, solar thermal collector adopts flat plate collector; Be connected with a branch road between the three-way interface of solar thermal collector delivery port and the 3rd branch's branch road left end, this branch road end is connected with air bleeding valve; Between the 3rd branch's branch road end and the first stop valve, be connected with a branch road, this branch road end is connected with expansion drum; Air source heat pump branch road can be in parallel many groups.
Taking when solar energy heating actuator temperature reaches heating, the first magnetic valve is opened, and solar heat pump starts the heat extracted in solar thermal collector and carries out heating; And when solar thermal collector can not provide temperature required, namely cloudy day or rainy day and so on time, first magnetic valve, the second closed electromagnetic valve, solar heat pump quits work, air source heat pump provides signal to export by indoor thermostat, then open, direct assisted solar heat collector carries out heating and refrigeration work.Interim when summer, air source heat pump indoor thermostat provides signal to export, and air source heat pump is started working, and cold air can be sent to indoor with circulating pump by pipeline, reaches refrigeration.
accompanying drawing illustrates:
Accompanying drawing 1 is the structure composition schematic diagram of the air source heat pump assisted solar integrated heating refrigerating and heat-supplying system of a width better embodiment.
In figure: solar thermal collector 11, first magnetic valve 12, solar heat pump 13, first stop valve 14, second stop valve 15, electric heater 16, first non-return valve 21, the 3rd stop valve 22, solar energy circulating pump 23, second magnetic valve 24, second non-return valve 25, circulating pump 26, the 3rd magnetic valve 31, the 3rd non-return valve 32, the 4th stop valve 41, air source heat pump 51, heat pump controller 52, indoor thermostat 53, air bleeding valve 61, expansion drum 71.
detailed description of the invention:
As shown in Figure 1, a kind of air source heat pump assisted solar integrated heating refrigerating and heat-supplying system, comprising: heating refrigeration branch road, backwater branch road, air source heat pump branch road.
Wherein, heating refrigeration branch road the first magnetic valve 12, solar heat pump 13, first stop valve 14, second stop valve 15, the electric heater 16 that comprise solar thermal collector 11 and connect successively from solar thermal collector 11 delivery port; Heating refrigeration branch road also comprises the 3rd branch's branch road, 3rd branch's branch road arises between solar thermal collector 11 and the first magnetic valve 12 and terminates between solar heat pump 13 and the second stop valve 15, and the 3rd branch's branch road connects the 3rd magnetic valve 31, the 3rd non-return valve 32 successively by pipeline; Backwater branch road comprises the first non-return valve 21, the 3rd stop valve 22, solar energy circulating pump 23, second magnetic valve 24, second non-return valve 25, the circulating pump 26 that connect successively from solar thermal collector 11 water inlet; Backwater branch road also comprises the 4th branch's branch road, and the 4th branch's branch road arises between solar energy circulating pump 23 and solar heat pump 13 and terminates between the second magnetic valve 24 and the second non-return valve 25, and the 4th branch's branch road comprises the 4th stop valve 41; Be parallel with air source heat pump branch road at third and fourth branch's branch road end, air source heat pump branch road comprises air source heat pump 51 and stop valve, and air source heat pump 51 is associated with heat pump controller 52 and indoor thermostat 53.
In the threeway junction of solar thermal collector 11, solar thermal collector 11 delivery port, the 3rd branch's branch road left end, the threeway junction of the 4th branch's branch road left end is respectively equipped with temperature sensor, and its temperature recorded represents with T1 ', T1, T3, T2 respectively:
As T1-T2>8C °, and during T3<35C °, solar energy circulating pump 23, solar heat pump 13 work, and the second magnetic valve 24, first magnetic valve 12 is opened; During T1-T2<4C °, or during T3>40C °, solar energy circulating pump 23, solar heat pump 13 stop, and the second magnetic valve 24, first magnetic valve 12 cuts out.
During T1 ' >55C °, solar energy circulating pump 23 works, the 3rd magnetic valve 31 is opened, and the second magnetic valve 24, first magnetic valve 12 cuts out, and solar heat pump 13 stops; During T1<45C °, solar energy circulating pump 23 stops, and the 3rd magnetic valve 31, second magnetic valve 24, first magnetic valve 12 cuts out.
During temperature≤the 18C ° of indoor thermostat 52, air source heat pump 51 works, and circulating pump 26 works, the temperature >=24C ° of indoor thermostat 52, and air source heat pump 51 stops, and circulating pump 26 stops.
After air source heat pump 51 works 16 hours, electric heater 16 is started working.
In the present embodiment, solar thermal collector 11 adopts flat plate collector; Be connected with a branch road between the three-way interface of solar thermal collector 11 delivery port and the 3rd branch's branch road left end, this branch road end is connected with air bleeding valve 61; Between the 3rd branch's branch road end and the first stop valve 14, be connected with a branch road, this branch road end is connected with expansion drum 71; Air source heat pump branch road can be in parallel many groups.
Claims (2)
1. an air source heat pump assisted solar integrated heating refrigerating and heat-supplying system, is characterized in that, comprising: heating refrigeration branch road, backwater branch road, air source heat pump branch road;
Wherein, heating refrigeration branch road the first magnetic valve, solar heat pump, the first stop valve, the second stop valve, the electric heater that comprise solar thermal collector and connect successively from solar thermal collector delivery port; Heating refrigeration branch road also comprises the 3rd branch's branch road, 3rd branch's branch road arises between solar thermal collector and the first magnetic valve and terminates between solar heat pump and the second stop valve, and the 3rd branch's branch road connects the 3rd magnetic valve, the 3rd non-return valve successively by pipeline; Backwater branch road comprises the first non-return valve, the 3rd stop valve, solar energy circulating pump, the second magnetic valve, the second non-return valve, the circulating pump that connect successively from solar thermal collector water inlet; Backwater branch road also comprises the 4th branch's branch road, and the 4th branch's branch road arises between solar energy circulating pump and solar heat pump and terminates between the second magnetic valve and the second non-return valve, and the 4th branch's branch road comprises the 4th stop valve; Be parallel with air source heat pump branch road at third and fourth branch's branch road end, air source heat pump branch road comprises air source heat pump and stop valve, and air source heat pump is associated with heat pump controller and indoor thermostat;
In the threeway junction of solar thermal collector, solar thermal collector delivery port, the 3rd branch's branch road left end, the threeway junction of the 4th branch's branch road left end is respectively equipped with temperature sensor.
2. air source heat pump assisted solar integrated heating refrigerating and heat-supplying system as claimed in claim 1, is characterized in that, solar thermal collector adopts flat plate collector.
3. air source heat pump assisted solar integrated heating refrigerating and heat-supplying system as claimed in claim 1, it is characterized in that, be connected with a branch road between the three-way interface of solar thermal collector delivery port and the 3rd branch's branch road left end, this branch road end is connected with air bleeding valve.
4. air source heat pump assisted solar integrated heating refrigerating and heat-supplying system as claimed in claim 1, it is characterized in that, between the 3rd branch's branch road end and the first stop valve, be connected with a branch road, this branch road end is connected with expansion drum.
5. air source heat pump assisted solar integrated heating refrigerating and heat-supplying system as claimed in claim 1, is characterized in that, air source heat pump branch circuit parallel connection many groups.
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| CN201310215743.6A CN103267387B (en) | 2013-06-03 | 2013-06-03 | Heating-and-refrigeration integrated type heat supply system by means of solar energy assisted by air source heat pump |
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| CN201310215743.6A CN103267387B (en) | 2013-06-03 | 2013-06-03 | Heating-and-refrigeration integrated type heat supply system by means of solar energy assisted by air source heat pump |
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| CN103267387B true CN103267387B (en) | 2015-05-06 |
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| CN108488873A (en) * | 2017-11-21 | 2018-09-04 | 国网冀北节能服务有限公司 | A kind of multi-mode multipurpose photo-thermal offset-type electrical heating energy supplying system and method |
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| US4738305A (en) * | 1985-02-04 | 1988-04-19 | Bacchus Rockney D | Air conditioner and heat dispenser |
| CN101261021A (en) * | 2008-04-29 | 2008-09-10 | 上海理工大学 | Multi- water tanks solar energy-heat pump composite hot-water system and its operation control method |
| CN102506465A (en) * | 2011-09-29 | 2012-06-20 | 西安交通大学 | Composite solar hot water system with heat pumps |
| CN202630263U (en) * | 2012-03-01 | 2012-12-26 | 姜衍礼 | Solar energy air source heat pump hot water air conditioning system |
| CN203375763U (en) * | 2013-06-03 | 2014-01-01 | 宁夏银晨太阳能科技有限公司 | Air source heat pump assisted solar integrated heating, refrigerating and heat supply system |
-
2013
- 2013-06-03 CN CN201310215743.6A patent/CN103267387B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4738305A (en) * | 1985-02-04 | 1988-04-19 | Bacchus Rockney D | Air conditioner and heat dispenser |
| CN101261021A (en) * | 2008-04-29 | 2008-09-10 | 上海理工大学 | Multi- water tanks solar energy-heat pump composite hot-water system and its operation control method |
| CN102506465A (en) * | 2011-09-29 | 2012-06-20 | 西安交通大学 | Composite solar hot water system with heat pumps |
| CN202630263U (en) * | 2012-03-01 | 2012-12-26 | 姜衍礼 | Solar energy air source heat pump hot water air conditioning system |
| CN203375763U (en) * | 2013-06-03 | 2014-01-01 | 宁夏银晨太阳能科技有限公司 | Air source heat pump assisted solar integrated heating, refrigerating and heat supply system |
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Effective date of registration: 20190619 Address after: 750001 Room 101, 1st Floor, Insurance Building, Yuehai Central Business District, Jinfeng District, Yinchuan City, Ningxia Hui Autonomous Region Patentee after: Ningxia Zhonghao Yinchen Energy Technology Service Co., Ltd. Address before: 753400 Jungong Vehicle on the North Side of Wei2 Road, Pingluo County Industrial Zone, Shizuishan City, Ningxia Hui Autonomous Region Patentee before: Ningxia City Yinchen Solar Energy Technology Co., Ltd. |
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Effective date of registration: 20210819 Address after: 753400 Shizuishan ecological economic Park, Shizuishan City, Ningxia Hui Autonomous Region Patentee after: NINGXIA CITY YINCHEN SOLAR ENERGY TECHNOLOGY Co.,Ltd. Address before: 750001 Room 101, 1st Floor, Insurance Building, Yuehai Central Business District, Jinfeng District, Yinchuan City, Ningxia Hui Autonomous Region Patentee before: Ningxia Zhonghao Yinchen Energy Technology Service Co.,Ltd. |