CN211952967U - Solar heat pump heating system - Google Patents
Solar heat pump heating system Download PDFInfo
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- CN211952967U CN211952967U CN202020062478.8U CN202020062478U CN211952967U CN 211952967 U CN211952967 U CN 211952967U CN 202020062478 U CN202020062478 U CN 202020062478U CN 211952967 U CN211952967 U CN 211952967U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The utility model relates to a solar heat pump heating system comprises heat collector, circulating pump, heat exchanger, compressor, condenser, expansion valve, characterized by: the heat collector is composed of a heat collector unit or more than one heat collector unit connected in series or in parallel, the working medium of the heat collector is antifreeze, the heat collector unit is composed of straight pipes connected in parallel, the heat collector unit is provided with an inlet and an outlet, and the inlet and the outlet are arranged diagonally; the heat exchanger is an evaporator of a solar heat pump heating system. The advantages are that: the circulating pump, the heat exchanger, the compressor, the condenser and the expansion valve are arranged in the heat pump unit, so that the path of the working medium of the heat pump is short, the oil return of the compressor is easy, and the service life of the compressor is prolonged; the heat pump unit is connected with the antifreeze working medium low-temperature heat collector through an antifreeze pipeline, so that the installation and debugging difficulty of a heat pump heating system is reduced; the heat collector has wide working temperature range, the working temperature is usually lower than the air temperature, the solar energy, the air energy and the environmental energy can be absorbed simultaneously, and the heat collection efficiency is high.
Description
Technical Field
The utility model relates to a solar heat pump heating system belongs to solar thermal energy and utilizes technical field.
Background
At present, solar vacuum glass tube water heaters and air source heat pumps are widely used for supplying heat by clean energy in cold and severe cold areas. Although solar energy reserves are huge and clean, the solar heat pump heating is hardly applied because many technical problems need to be solved.
The direct expansion type solar heat pump supplies heat, because the unit area power of solar energy is low, the area of the heat collector is large, the heat collector is directly used as a heat pump evaporator, the path of a heat pump working medium is long, the oil return of the compressor is difficult, and the service life of the compressor is shortened due to the oil shortage of the compressor. In addition, the direct expansion type solar heat pump supplies heat, the filling amount of working media is large, the on-site construction difficulty is large, and the specialty is strong.
The non-direct expansion type solar heat pump supplies heat, the working medium of the heat collector is water, the working temperature cannot be lower than zero ℃, a light transmission measure and a heat preservation measure are required in application in cold and severe cold areas, the heat collector with the light transmission measure and the heat preservation measure cannot absorb air energy at the same time, the heat collection efficiency is reduced, the cost is increased, and the heat collection efficiency is not acceptable to users.
The solar vacuum glass tube water heater cannot absorb air energy at the same time, and the air source heat pump cannot absorb solar energy.
Disclosure of Invention
The utility model aims at overcoming the not enough of current solar thermal energy pump heat supply technique, provide a heat collector operating temperature scope wide, operating temperature is less than temperature usually, can absorb solar energy, air energy, environmental energy simultaneously, solar thermal energy pump heating system that collecting efficiency is high.
The utility model aims at having following mode to realize:
the utility model provides a solar thermal energy pump heating system, comprises heat collector, circulating pump, heat exchanger, compressor, condenser, expansion valve, characterized by: the heat collector is composed of a heat collector unit or more than one heat collector unit connected in series or in parallel, the working medium of the heat collector is antifreeze, the heat collector unit is composed of straight pipes connected in parallel, the heat collector unit is provided with an inlet and an outlet, and the inlet and the outlet are arranged diagonally; the heat exchanger is an evaporator of a solar heat pump heating system.
The heat collector unit can be made of aluminum calandria, metal material pipe or non-metal pipe.
The heat collector, the circulating pump and the heating end of the heat exchanger are connected through a pipeline to form a closed heat collector working medium circulating system; the heat absorption end of the heat exchanger, the compressor, the condenser and the expansion valve form a closed heat pump working medium circulating system.
The circulating pump enables the working medium of the antifreeze solution to enter and exit from the inlet and the outlet of the heat collector unit, so that the heat energy absorbed by the heat collector is taken out of the heat collector through the working medium; meanwhile, the working medium of the heat collector flows in the heat exchanger through the circulating pump, so that the heat energy absorbed by the heat collector which is transmitted to the working medium of the heat collector is transmitted to the working medium of the heat pump.
The working temperature of the antifreeze working medium low-temperature heat collector is usually lower than the air temperature, the working temperature can reach below-30 ℃ and even below-40 ℃ in cold and severe cold regions, the antifreeze working medium low-temperature heat collector is installed outdoors, the heat collector absorbs heat, the outside of the heat collector is not closed, and the antifreeze working medium low-temperature heat collector can absorb solar energy, air energy, environmental energy and even wind energy at the same time. According to the lowest working temperature of the working medium, the antifreeze can be glycol solutions with different concentrations, heat conduction oil or other chemical solutions which can be used as antifreeze.
The utility model has the advantages that: the circulating pump, the heat exchanger, the compressor, the condenser and the expansion valve are arranged in the heat pump unit, so that the path of the working medium of the heat pump is short, the oil return of the compressor is easy, and the service life of the compressor is prolonged; the heat pump unit is connected with the antifreeze working medium low-temperature heat collector through an antifreeze pipeline, so that the installation and debugging difficulty of a heat pump heating system is reduced; the heat collector has wide working temperature range, the working temperature is usually lower than the air temperature, the solar energy, the air energy and the environmental energy can be absorbed simultaneously, and the heat collection efficiency is high.
Drawings
Fig. 1 is a schematic structural view of a solar heat pump hot water heating system of the present invention.
Fig. 2 is a schematic structural view of the solar heat pump hot air heating system of the present invention.
FIG. 3 is a schematic view of a heat collector constructed by serially connecting heat collector units.
FIG. 4 is a schematic view of a heat collector constructed by parallel connection of heat collector units.
In fig. 1, 2, 3 and 4, 1 is a heat collector unit, 2 is an antifreeze expansion tank, 3 is a circulating pump, 4 is a heat exchanger, 5 is a compressor, 6 is a condenser, 7 is an expansion valve, 8 is a hot water output end of a solar heat pump hot water heating system, and 9 is a fan coil condenser.
Detailed Description
The following describes an embodiment of the present invention with reference to the drawings, and the embodiment is implemented on the premise of the technical solution of the present invention, and the embodiment is given, but the scope of the present invention is not limited to the following examples.
As shown in fig. 1, a solar heat pump hot water heating system comprises a heat collector working medium circulating system formed by a heat collector unit 1, an antifreeze expansion tank 2, a circulating pump 3 and a heat exchanger 4; the heat pump working medium circulating system is formed by the heat exchanger 4, the compressor 5, the condenser 6 and the expansion valve 7. The heat energy collected by the heat collector unit 1 and the electric energy consumed by the compressor, which are transmitted to the heat exchanger 4, are transmitted to the condenser 6 (without counting the loss) through the heat collector working medium circulating system and the heat pump working medium circulating system. The heat energy transferred to the condenser 6 is output through a hot water output end 8 of the solar heat pump hot water heating system.
As shown in fig. 2, a solar heat pump hot air heating system comprises a heat collector working medium circulating system formed by a heat collector unit 1, an antifreeze expansion tank 2, a circulating pump 3 and a heat exchanger 4; the heat pump working medium circulating system is formed by the heat exchanger 4, the compressor 5, the fan coil condenser 9 and the expansion valve 7. The heat energy collected by the heat collector unit 1 and the electric energy consumed by the compressor, which are transmitted to the heat exchanger 4, are transmitted to the fan coil condenser 9 (without loss) through the heat collector working medium circulating system and the heat pump working medium circulating system. The heat energy transferred to the fan coil condenser 9 is output by hot air through the fan coil condenser.
As shown in fig. 1, 2, 3 and 4, the heat collector is composed of one heat collector unit 1 or more than one heat collector units 1 connected in series or in parallel. The heat collector unit 1 is formed by connecting straight pipes in parallel so as to reduce the flowing resistance of the working medium of the antifreeze solution in the heat collector unit 1, and the heat collector unit 1 is provided with an inlet and an outlet which are arranged diagonally so as to facilitate the flowing uniformity of the working medium of the antifreeze solution in the heat collector unit.
As shown in fig. 3, the collector is composed of more than one collector unit 1 connected in series, each collector unit is provided with an inlet and an outlet.
As shown in fig. 4, the collector is formed by connecting more than one collector unit 1 in parallel, and each collector unit is provided with an inlet and an outlet.
The working medium circulation of the heat collector is shown in figures 1 and 2, and the working medium circulation system of the heat collector comprises a heat collector unit 1, an antifreeze expansion tank 2, a circulating pump 3 and a heat exchanger 4. An outlet of the heat collector unit 1 is connected to an inlet of an anti-freezing pump 3 through an anti-freezing liquid pipeline, an outlet of the circulating pump 3 is connected to a working medium inlet of a heat collector of the heat exchanger 4 through an anti-freezing liquid pipeline, a working medium outlet of the heat collector of the heat exchanger 4 is connected to an inlet of the heat collector unit 1 through an anti-freezing liquid pipeline to form a closed loop of a working medium (anti-freezing liquid) of the heat collector, the working medium of the heat collector circulates in the closed loop of the working medium of the heat collector through the circulating pump 3. The antifreeze solution expansion tank 2 is connected with the heat collector unit 1, so that a buffer space is formed when the antifreeze solution working medium in the heat collector working medium closed loop expands with heat and contracts with cold.
The heat pump working medium circulation is shown in figures 1 and 2, and comprises a heat exchanger 4, a compressor 5, a condenser 6 and an expansion valve 7. The heat pump working medium outlet of the heat exchanger 4 is connected to the inlet of the compressor 5 through a heat pump working medium pipeline, the outlet of the compressor 5 is connected to the heat pump working medium inlets of the condensers 6 and 9 through heat pump working medium pipelines, the heat pump working medium outlets of the condensers 6 and 9 are connected to the inlet of the expansion valve 7 through a heat pump working medium pipeline, the outlet of the expansion valve 7 is connected to the heat pump working medium inlet of the heat exchanger 4 through a heat pump working medium pipeline to form a heat pump working medium closed loop, the compressor 5 enables the heat pump working medium to circulate in the loop, and the heat energy collected by the heat collector transmitted to the heat exchanger 4 and the electric energy consumed by the compressor are. The heat exchanger 4 is an evaporator of a heat pump system.
As shown in fig. 1 and 2, during heating, the heat collector unit 1 is installed outdoors, the heat absorbing body of the heat collector unit 1 is not sealed, and the heat collector unit 1 can absorb solar energy, air energy, environmental energy and even wind energy. According to the lowest working temperature of the working medium of the heat collector, the antifreezing solution can be glycol solutions with different concentrations, heat conduction oil or other chemical solutions which can be used as the antifreezing solution. For cooling, the collector unit 1 is installed in a closed environment requiring cooling.
Claims (3)
1. The utility model provides a solar thermal energy pump heating system, comprises heat collector, circulating pump, heat exchanger, compressor, condenser, expansion valve, characterized by: the heat collector is composed of a heat collector unit or more than one heat collector unit connected in series or in parallel, the working medium of the heat collector is antifreeze, the heat collector unit is composed of straight pipes connected in parallel, the heat collector unit is provided with an inlet and an outlet, and the inlet and the outlet are arranged diagonally; the heat exchanger is an evaporator of a solar heat pump heating system.
2. A solar heat pump heating system according to claim 1, wherein: the heat collector unit can be made of aluminum calandria or non-metal pipe.
3. A solar heat pump heating system according to claim 1, wherein: the heat collector, the circulating pump and the heating end of the heat exchanger are connected through a pipeline to form a closed heat collector working medium circulating system; the heat absorption end of the heat exchanger, the compressor, the condenser and the expansion valve form a closed heat pump working medium circulating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020062478.8U CN211952967U (en) | 2020-01-13 | 2020-01-13 | Solar heat pump heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020062478.8U CN211952967U (en) | 2020-01-13 | 2020-01-13 | Solar heat pump heating system |
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| Publication Number | Publication Date |
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| CN211952967U true CN211952967U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020062478.8U Active CN211952967U (en) | 2020-01-13 | 2020-01-13 | Solar heat pump heating system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074401A (en) * | 2021-04-26 | 2021-07-06 | 西安西热节能技术有限公司 | System and method for improving capacity of hot water heating system in extremely cold region |
| CN115978627A (en) * | 2023-02-17 | 2023-04-18 | 包头市爱能控制工程有限责任公司 | Multi-source heat pump heating system of polyethylene pipe heat collector |
| WO2024098738A1 (en) * | 2022-11-11 | 2024-05-16 | 青岛海尔空调器有限总公司 | Oil return control method and apparatus for compressor of air conditioner, and air conditioner |
-
2020
- 2020-01-13 CN CN202020062478.8U patent/CN211952967U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074401A (en) * | 2021-04-26 | 2021-07-06 | 西安西热节能技术有限公司 | System and method for improving capacity of hot water heating system in extremely cold region |
| WO2024098738A1 (en) * | 2022-11-11 | 2024-05-16 | 青岛海尔空调器有限总公司 | Oil return control method and apparatus for compressor of air conditioner, and air conditioner |
| CN115978627A (en) * | 2023-02-17 | 2023-04-18 | 包头市爱能控制工程有限责任公司 | Multi-source heat pump heating system of polyethylene pipe heat collector |
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