CN219454118U - Heat pump system - Google Patents
Heat pump system Download PDFInfo
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- CN219454118U CN219454118U CN202223454177.8U CN202223454177U CN219454118U CN 219454118 U CN219454118 U CN 219454118U CN 202223454177 U CN202223454177 U CN 202223454177U CN 219454118 U CN219454118 U CN 219454118U
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Abstract
The utility model provides a heat pump system, which comprises a heat pump unit, wherein the heat pump unit comprises an evaporator, a compressor, a condenser and a throttling component, the evaporator comprises a water source evaporator, the system also comprises a solar heat exchange subsystem, the solar heat exchange subsystem comprises a solar component, a solar component circulating pump and a circulating pipeline, the system also comprises a heat collecting water tank, and water in the heat collecting water tank flows into a water inlet of the condenser under the drive of the hot water circulating pump and exchanges heat with a refrigerant of the condenser, and then flows back to the heat collecting water tank. The heat pump system fully utilizes the advantages of photovoltaic/photo-thermal and heat pump to provide domestic hot water for buildings all the year round, heating in winter or refrigerating in summer, and can realize the heat load requirement of building objects all the year round by using a small amount of electric energy input, thereby realizing complementary advantages in the system, greatly improving the energy utilization rate and having very high popularization and social economic significance.
Description
Technical Field
The utility model relates to the field of heat pumps, in particular to a multi-heat-source heat pump system combined with a solar subsystem.
Background
Energy is an important foundation stone for the rapid development of human society progress and age. The environmental protection of the earth is greatly stressed due to a series of pollution problems caused by the utilization of fossil energy, and only the development and utilization of renewable clean energy to replace fossil energy with high pollution, high energy consumption and difficult recycling can be continuously performed by human beings, so that the development of society can be continuously performed.
However, the intermittence and randomness of renewable energy sources also cause problems that they lack stability, energy utilization efficiency is not high enough, and reliability is difficult to guarantee in practical applications. The need for domestic forms of development can no longer be met by means of a single energy species alone. The heat pump is widely focused as a device capable of transferring low-grade heat to high-grade heat because of the characteristics of environmental protection, high efficiency, energy conservation, easy coupling with various renewable energy systems and the like. The solar energy resources in China are very rich, and the solar energy is used as clean energy, and has the advantages of environmental protection, huge development potential, wide distribution and the like. Under the background, various renewable energy sources and heat pump technologies are utilized to replace coal, so that the heating proportion of clean energy sources in cold areas can be effectively improved, and the method is greatly beneficial to solving energy shortage, rationalizing energy structures, promoting environmental protection and sustainable development.
Disclosure of Invention
The utility model provides a heat pump system for solving the problems of poor stability and low energy utilization rate of single type renewable energy sources, which comprises a heat pump unit, wherein the heat pump unit comprises an evaporator, a compressor, a condenser and a throttling component, and the evaporator, the compressor, the condenser and the throttling component are connected through a refrigerant pipeline, and the heat pump system is characterized in that: the evaporator comprises a water source evaporator:
the system comprises a solar heat exchange subsystem, wherein the solar heat exchange subsystem comprises a solar component, a solar component circulating pump and a circulating pipeline, circulating working medium in the circulating pipeline enters the solar component and absorbs solar energy under the drive of the solar component circulating pump, then enters a water inlet of the water source evaporator, exchanges heat with refrigerant in the water source evaporator and then flows back to the solar component;
the system further comprises a heat collecting water tank, wherein water in the heat collecting water tank flows into a water inlet of the condenser under the drive of the hot water circulating pump and exchanges heat with the refrigerant of the condenser, and then flows back to the heat collecting water tank.
Furthermore, a heat exchange coil is arranged in the heat collection water tank, and a branch communicated with the heat exchange coil in the heat collection water tank is arranged on a circulating pipeline in the solar heat exchange subsystem, so that circulating working media can enter the heat exchange coil in the heat collection water tank through the branch and directly exchange heat with water in the heat collection water tank and then flow back to the solar module.
Further, the heat pump unit further comprises an air source evaporator; the specific connection relation among the water source evaporator, the air source evaporator, the compressor, the condenser and the throttling component is as follows:
the refrigerant outlet of the condenser is connected with the inlet of the throttling component through a pipeline L7, the outlet of the throttling component is connected with two pipelines through a pipeline L7, wherein the first pipeline L2 is connected with the refrigerant inlet of the water source evaporator, and the other pipeline L1 is connected with the third electromagnetic valve;
the refrigerant outlet of the water source evaporator is respectively connected with two pipelines through a pipeline L2, wherein a first pipeline L3 is connected with the first electromagnetic valve, the other pipeline L4 is connected with a pipeline L5 after being converged with a pipeline L1, the pipeline L5 is connected with the refrigerant inlet of the air source evaporator, the refrigerant outlet of the air source evaporator is connected with the refrigerant inlet of the compressor after being converged with the pipeline L3 through a pipeline L5, and the refrigerant outlet of the compressor is connected with the refrigerant inlet of the condenser 3 through a pipeline L6.
Further, the water in the heat collection water tank is delivered to an end user by an end circulation pump and provides heat, which then flows back to the heat collection water tank.
Further, a photovoltaic cell is arranged on the solar module, the solar heat exchange subsystem further comprises an inverter, the inverter is connected with the photovoltaic cell and the photovoltaic cell, and the inverter converts electric energy output by the photovoltaic cell into alternating current and supplies power for the heat pump system.
Further, the air source evaporator is a fin-tube evaporator.
Further, when the system works in a water source heat supply mode, the first electromagnetic valve is opened, and the second electromagnetic valve and the third electromagnetic valve are closed.
Further, when the system works in the air source heat supply mode, the third electromagnetic valve is opened, and the first electromagnetic valve and the second electromagnetic valve are closed.
Further, when the system works in a water source/air source mixed heat supply mode, the second electromagnetic valve is opened, and the first electromagnetic valve and the third electromagnetic valve are closed.
The utility model can realize the following technical effects:
the heat pump system fully utilizes the advantages of the photovoltaic/photo-thermal heat pump to provide domestic hot water, winter heating or summer refrigeration for the building all the year round. The whole system realizes the conversion from low-grade heat energy to high-grade heat energy through a small amount of electric energy input, can meet the heat load requirement of building objects while outputting electricity, has complementary advantages inside the system, realizes the gradient utilization of energy in different forms, and greatly improves the energy utilization rate of the whole system.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural diagram of a heat pump system according to the present utility model.
Fig. 2 is a schematic diagram of an internal structure of a heat pump unit in a heat pump system according to the present utility model.
Reference numerals annotate: 1-a solar module; 2-an electric three-way valve; 3-an electric valve; 4-a solar module circulation pump; 5-an inverter; 6-a heat pump unit; 7-a hot water circulating pump; 8-a heat exchange coil; 9-a heat collecting water tank; 10-a terminal circulation pump; 11-end user; 601-an air source evaporator; 602-a compressor; 603-a condenser; 7-a circulating pump; 605—a first solenoid valve; 606—a second solenoid valve; 607-a water source evaporator; 608, connecting a heat source to feed water; 609-connecting the heat source to the water; 610—a third solenoid valve; 611-a throttle member; 612—end-to-end water inlet; 613-connecting the tail end to water;
Detailed Description
The construction and operation of the present patent will be further described in detail with reference to the accompanying drawings, which are provided solely for the purpose of better understanding of the present patent and are not to be construed as limiting the present patent. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
In the description of the present utility model, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1 and 2, the present embodiment discloses a heat pump system including a heat pump unit 6, the heat pump unit 6 including an evaporator, a compressor 602, a condenser 603, and a throttling part 611, the evaporator, the compressor 602, the condenser 603, and the throttling part 611 being connected by refrigerant lines. In this embodiment, the evaporator comprises a water source evaporator 607. The heat pump system comprises a solar heat exchange subsystem, wherein the solar heat exchange subsystem comprises a solar module 1, a solar module circulating pump 4 and a circulating pipeline, and the solar module 1 consists of a back plate and the pipeline. The circulating working medium in the circulating pipeline enters the solar module 1 and absorbs solar energy under the drive of the solar module circulating pump 4, then enters the water inlet of the water source evaporator 607, exchanges heat with the refrigerant in the water source evaporator 607, and then flows back to the solar module 1. When entering a pipeline on the solar component, the circulating working medium can take away part of solar energy absorbed by the backboard.
The system further comprises a heat collecting water tank 9, and water in the heat collecting water tank 9 flows into a water inlet of the condenser 603 and exchanges heat with the refrigerant of the condenser 603 under the driving of the hot water circulating pump 7, and then flows back to the heat collecting water tank 9.
The heat-collecting water tank 9 is internally provided with a heat-exchanging coil 8, and a circulating pipeline in the solar heat-exchanging subsystem is provided with a branch communicated with the heat-exchanging coil 8 in the heat-collecting water tank 9, so that circulating working medium can enter the heat-exchanging coil 8 in the heat-collecting water tank 9 through the branch and directly exchange heat with water in the heat-collecting water tank 9 and then flow back to the solar module 1. It will be appreciated that when the solar energy is particularly abundant, the solar heat exchange subsystem may exchange heat directly with the heat collection water tank 9, storing heat in the heat collection water tank 9, this communication being optional and not required. When the temperature of the heat exchange working medium generated by the solar heat exchange subsystem cannot enable the temperature of the hot water in the heat collection water tank 9 to reach the target, the heat exchange working medium enters the heat pump unit 6 and provides a low-temperature water source for the heat pump unit 6, and the condenser of the heat pump unit 6 can heat the hot water in the heat collection water tank 9 so as to make up for the deficiency of solar energy.
In the preferred embodiment, the heat pump unit 6 in the system has a plurality of heat sources, and the evaporator further comprises an air source evaporator 601, and in the preferred embodiment, the air source evaporator 601 is a fin-tube evaporator.
The specific connection relationship among the water source evaporator 607, the air source evaporator 601, the compressor 602, the condenser 603 and the throttling component 611 is as follows:
the refrigerant outlet of the condenser 603 is connected to the inlet of the throttling part 611 through a pipe L7, the outlet of the throttling part 611 is connected to two pipes through a pipe L7, wherein the first pipe L2 is connected to the refrigerant inlet of the water source evaporator 607, and the other pipe L1 is connected to the third electromagnetic valve 610;
the refrigerant outlet of the water source evaporator 607 is connected to two pipelines through a pipeline L2, wherein a first pipeline L3 is connected to the first electromagnetic valve 605, another pipeline L4 is connected to a pipeline L5 after being joined to a pipeline L1, the pipeline L5 is connected to the refrigerant inlet of the air source evaporator 601, the refrigerant outlet of the air source evaporator 601 is connected to the refrigerant inlet of the compressor after being joined to the pipeline L3 through a pipeline L5, and the refrigerant outlet of the compressor is connected to the refrigerant inlet of the condenser 603 through a pipeline L6.
Therefore, the air source and the solar heating water source can be used as low-temperature heat sources of the heat pump 6, the whole system realizes energy cascade utilization, the energy utilization rate is greatly improved, and the stability of energy supply is also greatly enhanced.
The water in the heat collecting water tank 9 is delivered to the end user 11 by the end circulation pump 10 and heat is supplied, and then flows back to the heat collecting water tank 9.
The solar module 1 may also be provided with a photovoltaic cell for absorbing solar energy and converting it into electrical energy. In this case, the solar heat exchange subsystem further comprises an inverter 5, and the inverter 5 is connected to the photovoltaic cell, and converts the electric energy output by the photovoltaic cell into alternating current and supplies power to the heat pump system.
The following describes the working modes of the heat pump unit in this embodiment, where the heat pump unit in this embodiment may work in a water source heating mode, an air source heating mode, and a water source/air source hybrid heating mode.
When the heat pump unit works in the water source heat supply mode, the first electromagnetic valve 605 is opened, and the second electromagnetic valve 606 and the third electromagnetic valve 610 are closed.
When the heat pump unit is operated in the air source heat supply mode, the third electromagnetic valve 610 is opened, and the first electromagnetic valve 605 and the second electromagnetic valve 606 are closed.
When the heat pump unit works in the water source/air source mixed heat supply mode, the second electromagnetic valve 606 is opened, and the first electromagnetic valve 605 and the third electromagnetic valve 610 are closed.
While the foregoing describes the mode of operation of the heat pump unit in the heating mode, it will be appreciated that the heat pump system may reverse the direction of refrigerant circulation to operate in the cooling mode and provide cooling to the end user.
The heat pump system disclosed in this embodiment fully utilizes the advantages of photovoltaic/photo-thermal and heat pumps to provide domestic hot water, winter heating or summer cooling for buildings throughout the year. The heat load requirement of building objects throughout the year can be realized by using a small amount of electric energy input, the advantages in the system are complementary, the energy of different forms is utilized in a gradient mode, the energy utilization rate of the whole system is greatly improved, the energy supply stability is enhanced, and the system has high popularization and social economic significance. The above embodiments are only for illustrating the present utility model, wherein the structure, connection mode, manufacturing process, etc. of each component may be changed, and all equivalent changes and modifications performed on the basis of the present technical solution should not be excluded from the protection scope of the present utility model.
Claims (9)
1. The utility model provides a heat pump system, the system includes heat pump set, heat pump set includes evaporimeter, compressor, condenser, throttling element, evaporimeter, compressor, condenser, throttling element link to each other through the refrigerant pipeline, its characterized in that: the evaporator comprises a water source evaporator:
the system comprises a solar heat exchange subsystem, wherein the solar heat exchange subsystem comprises a solar component, a solar component circulating pump and a circulating pipeline, circulating working medium in the circulating pipeline enters the solar component and absorbs solar energy under the drive of the solar component circulating pump, then enters a water inlet of the water source evaporator, exchanges heat with refrigerant in the water source evaporator and then flows back to the solar component;
the system further comprises a heat collecting water tank, wherein water in the heat collecting water tank flows into a water inlet of the condenser under the drive of the hot water circulating pump and exchanges heat with the refrigerant of the condenser, and then flows back to the heat collecting water tank.
2. The system according to claim 1, wherein:
the heat-collecting water tank is internally provided with a heat-exchanging coil, and a circulating pipeline in the solar heat-exchanging subsystem is provided with a branch communicated with the heat-exchanging coil in the heat-collecting water tank, so that circulating working medium can enter the heat-exchanging coil in the heat-collecting water tank through the branch and directly exchange heat with water in the heat-collecting water tank and then flow back to the solar module.
3. The system of claim 1, wherein the heat pump unit further comprises an air source evaporator; the specific connection relation among the water source evaporator, the air source evaporator, the compressor, the condenser and the throttling component is as follows:
the refrigerant outlet of the condenser is connected with the inlet of the throttling component through a pipeline L7, the outlet of the throttling component is connected with two pipelines through a pipeline L7, wherein the first pipeline L2 is connected with the refrigerant inlet of the water source evaporator, and the other pipeline L1 is connected with the third electromagnetic valve;
the refrigerant outlet of the water source evaporator is respectively connected with two pipelines through a pipeline L2, wherein a first pipeline L3 is connected with the first electromagnetic valve, the other pipeline L4 is connected with a pipeline L5 after being converged with a pipeline L1, the pipeline L5 is connected with the refrigerant inlet of the air source evaporator, the refrigerant outlet of the air source evaporator is connected with the refrigerant inlet of the compressor after being converged with the pipeline L3 through a pipeline L5, and the refrigerant outlet of the compressor is connected with the refrigerant inlet of the condenser (3) through a pipeline L6.
4. The system according to claim 1, wherein: the water in the heat collection water tank is delivered to the end user by an end circulation pump and provides heat, which then flows back to the heat collection water tank.
5. The system according to claim 1, wherein: the solar heat exchange subsystem further comprises an inverter, the inverter is connected with the photovoltaic cell and the photovoltaic cell, and the inverter converts electric energy output by the photovoltaic cell into alternating current and supplies power for the heat pump system.
6. A system according to claim 3, characterized in that: the air source evaporator is a fin-tube evaporator.
7. A system according to claim 3, characterized in that: when the system works in a water source heat supply mode, the first electromagnetic valve is opened, and the second electromagnetic valve and the third electromagnetic valve are closed.
8. A system according to claim 3, characterized in that: when the system works in an air source heat supply mode, the third electromagnetic valve is opened, and the first electromagnetic valve and the second electromagnetic valve are closed.
9. A system according to claim 3, characterized in that: when the system works in a water source/air source mixed heat supply mode, the second electromagnetic valve is opened, and the first electromagnetic valve and the third electromagnetic valve are closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223454177.8U CN219454118U (en) | 2022-12-22 | 2022-12-22 | Heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223454177.8U CN219454118U (en) | 2022-12-22 | 2022-12-22 | Heat pump system |
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| Publication Number | Publication Date |
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| CN219454118U true CN219454118U (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223454177.8U Active CN219454118U (en) | 2022-12-22 | 2022-12-22 | Heat pump system |
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| CN (1) | CN219454118U (en) |
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- 2022-12-22 CN CN202223454177.8U patent/CN219454118U/en active Active
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