CN219045768U - Heating device - Google Patents

Heating device Download PDF

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Publication number
CN219045768U
CN219045768U CN202222533847.9U CN202222533847U CN219045768U CN 219045768 U CN219045768 U CN 219045768U CN 202222533847 U CN202222533847 U CN 202222533847U CN 219045768 U CN219045768 U CN 219045768U
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heating
water
heat
valve
heating circuit
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CN202222533847.9U
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李宏波
陈旭峰
张�浩
李奇
孙康
陈鑫
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal

Abstract

The utility model discloses a heating device, relates to the technical field of heating equipment, and solves the technical problems that in the prior art, solar energy and a single heat source heat pump are combined for heating, the efficiency of the heating device is obviously reduced in winter, or the application of the water source heat pump has larger limitation. The heating device comprises a solar heat collection module, a heat storage water tank, a double-heat-source heat pump module and terminal equipment, wherein a heating circulation loop is formed between the solar heat collection module and the heat storage water tank, and the heat storage water tank is connected with the terminal equipment and forms a first heating loop; the double-heat-source heat pump module comprises a first heating assembly and a second heating assembly, wherein the first heating assembly is connected with the terminal equipment and forms a second heating loop; the heat storage water tank is connected with a second heating assembly, and the second heating assembly is connected with terminal equipment and forms a third heating loop. The heating device adopts the form of complementary heat supply of double heat sources, and can avoid the limitation of a single heat source.

Description

Heating device
Technical Field
The utility model relates to the technical field of heating equipment, in particular to a heating device.
Background
In northern China, severe cold in winter and urban areas are provided with urban pipe networks, most rural areas use household small boilers, and coal burning generates a large amount of smoke, which is not beneficial to the environment. Aiming at the current development situation, the solar energy-heat pump complementary heat supply can become a future normal state, and the solar energy-heat pump complementary heat supply device can effectively improve the operation efficiency of the heat pump in the low-temperature environment in the cold region. The application of the solar energy-heat pump complementary heat supply mode shows that the application of multiple energy complementary heat supplies in cold areas has feasibility; meanwhile, the current situation that the energy consumption of a boiler heating system is high and the environmental pollution is serious can be effectively solved. In addition, the solar energy, the air energy and other clean energy sources are adopted for heat supply, so that the solar energy and air energy heat supply system has the characteristics of flexible arrangement and convenience in construction.
The prior art discloses a solar energy strides indoor heating device round clock, and the device includes: the solar heat collection module, the photovoltaic panel, the fan, the heat storage water tank and the outdoor air pipe are arranged in the solar heat collection module, after the air is heated in the solar heat collection module and absorbs heat generated by the photovoltaic panel, the air flows into a room from an air inlet through the heat storage water tank from an outlet of the solar heat collection module, and then returns to an inlet of the solar heat collection module from an air return inlet. Compared with the prior art, the technology breaks through the traditional heating mode, and the selective absorption coating is used for heating the indoor by absorbing solar radiation energy to heat the air. The heat storage water tank can store surplus heat in daytime, so that heating is realized across day and night and a small amount of domestic hot water is provided. The device fully utilizes solar energy, and has the advantages of energy conservation, environmental protection, low running cost, higher energy utilization rate, improvement of indoor air quality and comfort level.
Another prior art discloses a solar air conditioner heat source system, which integrates a solar water heating device and an air source heat pump water heating device into the solar air conditioner heat source system, the solar water heating device converts solar energy into a heat source which can be utilized by a central air conditioner system through photo-thermal conversion, the heat required by the air conditioner in the daytime heating and humidifying process is born, the air source heat pump water heating device takes heat from the air through a heat pump, and when the solar energy is insufficient, the heat required by the heating and humidifying of the air conditioner system is provided. The system utilizes renewable energy sources of solar energy and air energy, and has the advantages of energy conservation and environmental protection.
The solar energy-heat pump complementary heat supply device comprises a solar energy-air source heat pump combined heat supply device and a solar energy-water source heat pump combined heat supply device. However, the applicant has found that the combination of solar energy and a single heat source heat pump for heating has the following drawbacks: if solar energy and an air source heat pump are combined for supplying heat, the efficiency of the whole heat supply device is obviously reduced because the air source heat pump is low in winter air temperature or the outdoor air is easy to frost in a relatively humid region, the heat capacity of the air is small, and when the same amount of heat is required to be obtained, a larger amount of air is needed; if solar energy and a water source heat pump are combined for heat supply, the application of the water source heat pump has larger limitation due to the limitation of available water source conditions and the economic problem of investment, and particularly, the water source heat pump system is arranged close to the water source, the geographical structure limitation of a water layer is overcome due to the extraction of the water source, and meanwhile, if underground water is excessively extracted and not timely refilled, geological disasters are caused, and potential safety hazards exist.
Therefore, there is an urgent need for improvements in existing solar and single source heat pump combined heating installations.
Disclosure of Invention
The utility model aims to provide a heating device, which solves the technical problems that in the prior art, solar energy and a single heat source heat pump are combined for heating, the efficiency of the heating device is obviously reduced in winter or the application of the water source heat pump has larger limitation. The technical effects that can be produced by the preferred technical scheme of the present utility model are described in detail below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the heating device comprises a solar heat collection module, a heat storage water tank, a double-heat-source heat pump module and terminal equipment, wherein a heating circulation loop is formed between the solar heat collection module and the heat storage water tank, and the heat storage water tank is connected with the terminal equipment and forms a first heating loop; the dual-heat source heat pump module comprises a first heating assembly and a second heating assembly, wherein the first heating assembly is connected with the terminal equipment and forms a second heating loop; the heat storage water tank is connected with the second heating assembly, and the second heating assembly is connected with the terminal equipment and forms a third heating loop.
According to a preferred embodiment, the dual heat source heat pump module comprises an air source evaporator, a water source evaporator, a compressor, a throttle valve and a condenser, wherein the air source evaporator is arranged in parallel with the water source evaporator; the air source evaporator, the compressor, the condenser and the throttle valve are sequentially connected with the air source evaporator to form the first heating assembly; the water source evaporator, the compressor, the condenser, the throttle valve and the water source evaporator are sequentially connected and form the second heating assembly.
According to a preferred embodiment, the dual-heat source heat pump module further comprises a first control valve group, the first control valve group is arranged on the first heating assembly and the second heating assembly, and the first control valve group is used for controlling the on-off state of the first heating assembly and the second heating assembly.
According to a preferred embodiment, the first control valve group comprises a first three-way valve and a second three-way valve, wherein three interfaces of the first three-way valve are respectively connected with the outlet of the air source evaporator, the outlet of the water source evaporator and the inlet of the throttle valve; and the three interfaces of the second three-way valve are respectively connected with the inlet of the air source evaporator, the inlet of the water source evaporator and the outlet of the compressor.
According to a preferred embodiment, the heating apparatus further comprises a second control valve group, the second control valve group is disposed on the first heating circuit, the second heating circuit and the third heating circuit, and the second control valve group is used for controlling on-off states of the first heating circuit, the second heating circuit and the third heating circuit.
According to a preferred embodiment, the second control valve group comprises a first stop valve, a second stop valve, a third stop valve, a fourth stop valve and a fifth stop valve, wherein the first stop valve is arranged on a water supply pipeline of the first heating circuit, and the second stop valve is arranged on a water return pipeline of the first heating circuit; the third stop valve is arranged on water supply pipelines of the second heating circuit and the third heating circuit, and the fourth stop valve is arranged on water return pipelines of the second heating circuit and the third heating circuit; the fifth stop valve is arranged between the heat storage water tank and the water source evaporator of the double-heat source heat pump module.
According to a preferred embodiment, the heating device further comprises a first water pump, a second water pump and a third water pump, wherein the first water pump is arranged on a pipeline for connecting the solar heat collection module and the heat storage water tank, the second water pump is arranged on a water supply pipeline of the first heating loop, the second heating loop and the third heating loop, and the third water pump is arranged on a pipeline for connecting the heat storage water tank and a water source evaporator of the dual-heat source heat pump module.
According to a preferred embodiment, the heating device further comprises a first temperature detector located in the hot water storage tank, the first temperature detector being configured to detect the temperature of water in the hot water storage tank.
According to a preferred embodiment, the heating device further comprises a second temperature detector, which is located on the water supply lines of the second heating circuit and the third heating circuit, and is configured to detect the water temperatures on the water supply lines of the second heating circuit and the third heating circuit.
The heating device provided by the utility model has at least the following beneficial technical effects:
according to the heating device, the heating circulation loop is formed between the solar heat collection module and the heat storage water tank, water in the heat storage water tank can be heated by solar energy, the heat storage water tank is connected with the terminal equipment to form the first heating loop, namely when the water temperature in the heat storage water tank is high enough, the hot water in the heat storage water tank can be used for heating the terminal equipment; the first heating assembly is connected with the terminal equipment to form a second heating loop, the heat storage water tank is connected with the second heating assembly, the second heating assembly is connected with the terminal equipment to form a third heating loop, namely, when the water temperature in the heat storage water tank does not meet the requirement of the terminal equipment, the terminal equipment can be heated through the second heating loop or the third heating loop.
In the heating device, the double-heat-source heat pump module comprises the first heating component and the second heating component, for example, the first heating component can be an air source heating component, the second heating component can be a water source heating component, and the double-heat sources are used for complementary heat supply, so that the limitation of a single heat source can be avoided, the technical problem that the efficiency of the air source heating component is obviously reduced in winter heating devices is solved, and the technical problem that the application of the water source heat pump has larger limitation is also solved. On the other hand, the heating device comprises a plurality of heating loops, and the corresponding heating loops can be selected according to the water temperature in the heat storage water tank, so that the heating loops are mutually complemented. The utility model can effectively utilize clean energy sources such as solar energy, air energy and the like, and simultaneously can ensure that the heating device can supply heat to the terminal equipment in a day-night mode, thereby avoiding the influence of weather conditions and solar instability factors, and the solar energy directly heats the hot water in the heat storage water tank to a time meeting the requirement temperature of the terminal equipment, so that the problem of reduced solar energy utilization rate is solved because the solar energy directly heats the hot water in the heat storage water tank to a shorter time meeting the requirement temperature of the terminal equipment and the required solar energy collecting device has a larger area.
According to the heating device disclosed by the utility model, the heat storage water tank is connected with the second heating assembly, and the second heating assembly is connected with the terminal equipment to form the third heating loop, namely, when the water temperature in the heat storage water tank does not meet the requirement of the terminal equipment, the heat storage water tank can be used as the heat supply end of the evaporation side of the second heating assembly, so that the heat exchange efficiency of the evaporation side can be improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a preferred embodiment of a heating apparatus of the present utility model;
FIG. 2 is a flow chart of a preferred embodiment of a control method of the heating apparatus of the present utility model;
fig. 3 is a flowchart showing a preferred embodiment of a control method of the heating apparatus according to the present utility model.
In the figure: 11. a solar heat collection module; 12. a heat storage water tank; 13. a dual heat source heat pump module; 131. an air source evaporator; 132. a water source evaporator; 133. a compressor; 134. a throttle valve; 135. a condenser; 136. a first three-way valve; 137. a second three-way valve; 14. an end device; 151. a first stop valve; 152. a second shut-off valve; 153. a third stop valve; 154. a fourth shut-off valve; 155. a fifth shut-off valve; 161. a first water pump; 162. a second water pump; 163. a third water pump; 171. a first temperature detector; 172. and a second temperature detector.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
The heating apparatus and the control method thereof according to the present utility model will be described in detail with reference to fig. 1 to 3 and examples 1 and 2 of the specification.
Example 1
The present embodiment describes a heating apparatus according to the present utility model in detail.
The heating apparatus of the present embodiment includes a solar heat collecting module 11, a hot water storage tank 12, a dual heat source heat pump module 13, and an end device 14, as shown in fig. 1. Preferably, a heating circulation loop is formed between the solar heat collecting module 11 and the hot water storage tank 12, and the hot water storage tank 12 is connected with the terminal device 14 and forms a first heating loop; the dual heat source heat pump module 13 comprises a first heating assembly and a second heating assembly, wherein the first heating assembly is connected with the end device 14 and forms a second heating loop; the hot water tank 12 is connected to a second heating assembly which is connected to the end device 14 and forms a third heating circuit, as shown in fig. 1. The first heating assembly is, for example, an air source heating assembly and the second heating assembly is, for example, a water source heating assembly. The end device 14 is, for example, a geothermal coil.
Specifically, the water outlet end of the heat storage water tank 12 is connected with the water inlet end of the terminal device 14, and the water return end of the heat storage water tank 12 is connected with the water outlet end of the terminal device 14, so that a first heating loop is formed between the heat storage water tank 12 and the terminal device 14. Likewise, the water outlet end of the first heating component is connected with the water inlet end of the terminal equipment 14, and the water return end of the first heating component is connected with the water outlet end of the terminal equipment 14, so that a second heating loop is formed between the first heating component and the terminal equipment 14; the water outlet end of the second heating assembly is connected with the water inlet end of the terminal equipment 14, and the water return end of the second heating assembly is connected with the water outlet end of the terminal equipment 14, so that a third heating loop is formed between the second heating assembly and the terminal equipment 14.
In the heating device of the embodiment, a heating circulation loop is formed between the solar heat collection module 11 and the heat storage water tank 12, and water in the heat storage water tank 12 can be heated by solar energy; and the hot water storage tank 12 is connected with the end device 14 and forms a first heating loop, namely when the water temperature in the hot water storage tank 12 is high enough, the hot water in the hot water storage tank 12 can be used for heating the end device 14; the first heating assembly is connected with the end device 14 and forms a second heating loop, the hot water storage tank 12 is connected with the second heating assembly, the second heating assembly is connected with the end device 14 and forms a third heating loop, that is, when the water temperature in the hot water storage tank 12 does not meet the requirement of the end device 14, the end device 14 can be heated through the second heating loop or the third heating loop.
In the heating device of this embodiment, the dual-heat-source heat pump module 13 includes a first heating component and a second heating component, for example, the first heating component may be an air source heating component, the second heating component may be a water source heating component, and the dual-heat sources complement each other to provide heat, so that the limitation of a single heat source can be avoided, the problem that the efficiency of the air source heating component in the heating device in winter is obviously reduced, and the technical problem that the application of the water source heat pump has a larger limitation is solved. On the other hand, the heating apparatus of the present embodiment includes a plurality of heating circuits, and the corresponding heating circuits can be selected according to the water temperature in the hot water tank 12 so that the plurality of heating circuits complement each other. That is, in the heating device of this embodiment, the multiple heating loops are mutually complemented, so that not only clean energy sources such as solar energy and air energy can be effectively utilized, but also the heating device of this embodiment can heat the terminal device 14 in a day-night manner, so that the influence of meteorological conditions and unstable factors of solar energy is avoided, the time for directly heating the hot water in the heat storage water tank 12 to the temperature required by the terminal device 14 by solar energy is shorter, and meanwhile, the required area of the solar energy collecting device is larger, so that the problem of reduced solar energy utilization rate is caused.
In the heating device of this embodiment, the heat storage water tank 12 is connected with the second heating component, and the second heating component is connected with the terminal device 14 and forms a third heating loop, that is, when the water temperature in the heat storage water tank 12 does not meet the requirement of the terminal device 14, the heat storage water tank 12 can be used as the heat supply end of the evaporation side of the second heating component, so that the heat exchange efficiency of the evaporation side can be improved.
According to a preferred embodiment, the dual heat source heat pump module 13 comprises an air source evaporator 131, a water source evaporator 132, a compressor 133, a throttle valve 134 and a condenser 135, wherein the air source evaporator 131 is arranged in parallel with the water source evaporator 132, as shown in fig. 1. The air source evaporator 131, the compressor 133, the condenser 135, and the throttle valve 134 are sequentially connected to the air source evaporator 131 and form a first heating assembly, as shown in fig. 1. The water source evaporator 132, the compressor 133, the condenser 135, and the throttle valve 134 are sequentially connected to the water source evaporator 132 and form a second heating assembly, as shown in fig. 1. That is, the first heating component is an air source heating component, the air source evaporator 131 of the air source heating component can utilize energy in air to heat, and the heating principle can be the same as that of the prior art, and the description is omitted here; the second heating component is a water source heating component, the water source evaporator 132 of the water source heating component can utilize energy in water to heat, and the heating principle can be the same as that of the prior art, and the description is omitted here. In the heating device according to the preferred technical scheme of this embodiment, the dual-heat-source heat pump module 13 includes an air source heating assembly and a water source heating assembly, and the two heating assemblies can be complemented, so that the limitation of a single heat source is avoided, the technical problem that the efficiency of the air source heating assembly is obviously reduced in winter heating devices is solved, and the technical problem that the application of the water source heat pump has a larger limitation is also solved.
According to a preferred embodiment, the dual heat source heat pump module 13 further comprises a first control valve bank disposed on the first heating assembly and the second heating assembly, and the first control valve bank is used to control on-off states of the first heating assembly and the second heating assembly. The on-off state of the preferred technical scheme of the embodiment comprises a connection state and an off state. The heating apparatus according to the preferred embodiment further includes a first control valve group, and the on-off states of the first heating component and the second heating component can be controlled by the first control valve group, so that the first heating component or the second heating component can be selected to heat the terminal device 14 based on the water temperature in the hot water tank 12.
Preferably, the first control valve group comprises a first three-way valve 136 and a second three-way valve 137, wherein three interfaces of the first three-way valve 136 are respectively connected with an outlet of the air source evaporator 131, an outlet of the water source evaporator 132 and an inlet of the throttle valve 134; the three ports of the second three-way valve 137 are connected to the inlet of the air source evaporator 131, the inlet of the water source evaporator 132, and the outlet of the compressor 133, respectively, as shown in fig. 1. The inlet of the water source evaporator 132 is the inlet of the water source evaporator 132 on the connection side with the compressor 133; the outlet of the water source evaporator 132 is the outlet on the side where the water source evaporator 132 is connected to the throttle valve 134, as shown in fig. 1. Referring again to fig. 1, the side of the water source evaporator 132 that is connected to the hot water storage tank 12 has another inlet and another outlet. Specifically, when the first heating component is required to heat the terminal device 14, the interfaces of the first three-way valve 136 and the second three-way valve 137, which are connected with the air source evaporator 131, are in a connected state, and the interfaces, which are connected with the water source evaporator 132, are in a disconnected state, so that the dual-heat source heat pump module 13 is used as the air source heating component; when the second heating assembly is required to heat the terminal equipment 14, the interfaces of the first three-way valve 136 and the second three-way valve 137, which are connected with the water source evaporator 132, are in a communication state, and the interfaces, which are communicated with the air source evaporator 131, are in a disconnection state, so that the dual-heat source heat pump module 13 is used as the water source heating assembly.
According to a preferred embodiment, the heating apparatus further comprises a second control valve group disposed on the first heating circuit, the second heating circuit, and the third heating circuit, and the second control valve group is used to control on-off states of the first heating circuit, the second heating circuit, and the third heating circuit. The heating apparatus according to the preferred embodiment further includes a second control valve group, and the on-off states of the first heating circuit, the second heating circuit, and the third heating circuit may be controlled by the second control valve group, so that at least one of the first heating circuit, the second heating circuit, and the third heating circuit may be selected to heat the terminal device 14 based on the water temperature in the hot water tank 12.
Preferably, the second control valve group includes a first shut-off valve 151, a second shut-off valve 152, a third shut-off valve 153, a fourth shut-off valve 154, and a fifth shut-off valve 155, wherein the first shut-off valve 151 is disposed on a water supply line of the first heating circuit, and the second shut-off valve 152 is disposed on a water return line of the first heating circuit; the third shutoff valve 153 is provided on water supply lines of the second heating circuit and the third heating circuit, and the fourth shutoff valve 154 is provided on water return lines of the second heating circuit and the third heating circuit; the fifth shut-off valve 155 is disposed between the heat storage water tank 12 and the water source evaporator 132 of the dual heat source heat pump module 13, as shown in fig. 1. Specifically, when the first heating circuit is required to heat the end device 14, the first stop valve 151 and the second stop valve 152 are in an open state, and the third stop valve 153, the fourth stop valve 154 and the fifth stop valve 155 are in a closed state, so that hot water in the hot water tank 12 can be sent to the end device 14 through the first stop valve 151, and return water after heat exchange with the end device 14 is returned to the hot water tank 12 through the second stop valve 152. When the second heating circuit is required to heat the terminal equipment 14, the third stop valve 153 and the fourth stop valve 154 are in an open state, and the rest stop valves are in a closed state, so that the backwater after heat exchange with the terminal equipment 14 can return to the condenser 135 through the fourth stop valve 154, exchange heat with the condenser 135 and then be sent to the terminal equipment 14 through the third stop valve 153. When the third heating circuit is needed to heat the terminal equipment 14, the first stop valve 151 and the second stop valve 152 are in a closed state, and the third stop valve 153, the fourth stop valve 154 and the fifth stop valve 155 are in an open state, so that the hot water tank 12 can be used as a heating end of the water source evaporator 132, then hot water is pressurized and exchanges heat through the compressor 133 and the condenser 135, and then the hot water is sent to the terminal equipment 14 through the third stop valve 153, and return water after exchanging heat with the terminal equipment 14 returns to the condenser 135 through the fourth stop valve 154.
According to a preferred embodiment, the heating apparatus further includes a first water pump 161, a second water pump 162, and a third water pump 163, wherein the first water pump 161 is disposed on a pipe for connecting the solar heat collecting module 11 and the hot water storage tank 12, the second water pump 162 is disposed on a water supply pipe of the first heating circuit, the second heating circuit, and the third water pump 163 is disposed on a pipe for connecting the hot water storage tank 12 and the water source evaporator 132 of the dual heat source heat pump module 13, as shown in fig. 1. The heating device according to the preferred technical solution of the present embodiment further includes a first water pump 161, a second water pump 162, and a third water pump 163, and by the action of the first water pump 161, the water flow speed between the solar heat collecting module 11 and the hot water storage tank 12 can be accelerated; by the action of the second water pump 162, the water flow speed between the dual heat source heat pump module 13 and the terminal device 14 can be accelerated; by the action of the third water pump 163, the water flow speed between the hot water storage tank 12 and the water source evaporator 132 can be accelerated.
According to a preferred embodiment, the heating apparatus further comprises a first temperature detector 171, the first temperature detector 171 being located in the hot water tank 12, the first temperature detector 171 being for detecting the water temperature in the hot water tank 12, as shown in fig. 1. The heating apparatus according to the preferred embodiment further includes a first temperature detector 171, and the temperature of the water in the hot water tank 12 can be monitored by the first temperature detector 171, so as to provide a basis for determining the on-off states of the first heating circuit, the second heating circuit and the third heating circuit, so that the heating apparatus can not only meet the requirements of the terminal device 14, but also realize the advantages of energy saving and high efficiency.
According to a preferred embodiment, the heating apparatus further comprises a second temperature detector 172, the second temperature detector 172 being located on the water supply lines of the second heating circuit and the third heating circuit, the second temperature detector 172 being configured to detect the water temperature on the water supply lines of the second heating circuit and the third heating circuit, as shown in fig. 1. The heating apparatus according to the preferred embodiment of the present utility model further includes a second temperature detector 172, and the second temperature detector 172 is configured to monitor the water temperatures on the water supply lines of the second heating circuit and the third heating circuit, so as to provide a basis for determining the opening degree of each stop valve, so that the heating apparatus can meet the requirements of the terminal device 14.
Example 2
The present embodiment describes a control method of the heating apparatus of the present utility model in detail.
Fig. 2 is a flowchart showing a preferred embodiment of a control method of the heating apparatus according to the present embodiment. As shown in fig. 2, the control method of the heating apparatus according to any one of embodiment 1 includes the steps of:
step 1: the water temperature in the hot water storage tank 12 is obtained.
Step 2: the water temperature in the hot water storage tank 12 is compared with a preset temperature.
Step 3: the on-off states of the first, second and third heating circuits are controlled based on the comparison result of the water temperature in the heat storage water tank 12 and the preset temperature.
According to the control method of the heating device, on-off states of the first heating loop, the second heating loop and the third heating loop are controlled based on the comparison result of the water temperature in the heat storage water tank 12 and the preset temperature, so that the plurality of heating loops are mutually supplemented, clean energy sources such as solar energy and air energy can be effectively utilized, meanwhile, the heating device of the embodiment can heat the tail end equipment 14 in a day-night mode, the influence of meteorological conditions and solar energy instability factors is avoided, the time that the solar energy directly heats hot water in the heat storage water tank 12 to meet the temperature required by the tail end equipment 14 is short, meanwhile, the required area of the solar energy collecting device is large, and the problem of solar energy utilization rate reduction is caused. In the second aspect, the on-off states of the first heating circuit, the second heating circuit and the third heating circuit are controlled based on the comparison result of the water temperature in the heat storage water tank 12 and the preset temperature, so that the limitation of a single heat source can be avoided, and the technical problems that the efficiency of the air source heating assembly is obviously reduced in the winter heating device and the application of the water source heat pump is greatly limited are solved. In the third aspect, when the water temperature in the hot water storage tank 12 does not meet the demand of the terminal device 14, the hot water storage tank 12 can serve as a heating end of the evaporation side of the second heating assembly, so that the heat exchange efficiency of the evaporation side can be improved.
FIG. 3 is a flow chart showing another preferred embodiment of the control method of the heating apparatus of the present example. As shown in FIG. 3, the temperature of the water in the hot water tank 12 satisfies T > T 11 When the first heating loop is controlled to be in a connected state, the second heating loop and the third heating loop are controlled to be in a disconnected state; the water temperature in the heat storage water tank 12 satisfies T 12 ≤T≤T 11 When the first heating loop and the second heating loop are controlled to be in a connected state, and the third heating loop is controlled to be in a disconnected state; the water temperature in the heat storage water tank 12 satisfies T < T 12 When the first heating loop and the second heating loop are controlled to be in a disconnected state, and the third heating loop is controlled to be in a connected state; wherein T is the water temperature in the heat storage water tank 12, T 11 For a first preset temperature, T 12 Is a second preset temperature. More preferably, the first preset temperature is 45 ℃, and the second preset temperature is 30 ℃.
Specifically, during the day, along with the continuous heating of solar energy, the temperature in the hot water storage tank 12 continuously rises, and when the solar energy heats the water in the hot water storage tank 12 to above the first preset temperature, the hot water in the hot water storage tank 12 can be utilized to meet the requirements of the terminal equipment 14. At this time, the first heating circuit is controlled to be in a connected state, the second heating circuit and the third heating circuit are controlled to be in a disconnected state, that is, the first stop valve 151 and the second stop valve 152 are controlled to be in an opened state, and the third stop valve 153, the fourth stop valve 154 and the fifth stop valve 155 are controlled to be in a closed state, so that hot water in the hot water tank 12 can be sent to the end device 14 through the first stop valve 151, and return water after heat exchange with the end device 14 returns to the hot water tank 12 through the second stop valve 152.
When solar energy such as cloudy days is insufficient to heat the water in the hot water storage tank 12 above the first preset temperature, a mode of combined heating of the first heating circuit and the second heating circuit can be adopted, and heating is assisted through the second heating circuit so as to meet the requirement of the terminal equipment 14. At this time, the first heating circuit and the second heating circuit are controlled to be in a connected state, the third heating circuit is controlled to be in a disconnected state, that is, the interfaces of the first three-way valve 136 and the second three-way valve 137, which are connected with the air source evaporator 131, are controlled to be in a connected state, the interfaces, which are communicated with the water source evaporator 132, are controlled to be in a disconnected state, the first stop valve 151 to the fourth stop valve 154 are controlled to be in an opened state, and the fifth stop valve 155 is controlled to be in a closed state, so that hot water in the hot water storage tank 12 can be sent to the end equipment 14 through the first stop valve 151, and return water after heat exchange with the end equipment 14 is returned to the hot water storage tank 12 through the second stop valve 152; at the same time, the backwater after heat exchange with the end device 14 can be returned to the condenser 135 through the fourth stop valve 154, and is sent to the end device 14 through the third stop valve 153 after heat exchange with the condenser 135.
When the air temperature is low in winter and the water in the hot water storage tank 12 is smaller than the second preset temperature, the hot water storage tank 12 is used for heating the terminal equipment 14, the requirement of the terminal equipment 14 cannot be met, and the third heating loop can be used for heating the terminal equipment 14 to meet the requirement of the terminal equipment 14. At this time, the hot water storage tank 12 can be used as a heat source of the water source evaporator 132 to improve the heat exchange efficiency of the water source evaporator 132. At this time, the first heating circuit and the second heating circuit are controlled to be in the disconnected state, the third heating circuit is controlled to be in the connected state, that is, the interfaces of the first three-way valve 136 and the second three-way valve 137, which are connected with the air source evaporator 131, are controlled to be in the disconnected state, the interfaces, which are communicated with the water source evaporator 132, are controlled to be in the connected state, the first stop valve 151 and the second stop valve 152 are controlled to be in the closed state, and the third stop valve 153 to the fifth stop valve 155 are controlled to be in the open state, so that the hot water tank 12 can be used as a heating end of the water source evaporator 132, then hot water is pressurized and exchanges heat through the compressor 133 and the condenser 135, and then is sent to the end equipment 14 through the third stop valve 153, and return water after exchanging heat with the end equipment 14 is returned to the condenser 135 through the fourth stop valve 154.
According to a preferred embodiment, when the second heating circuit or the third heating circuit is in the connected state, the control method further includes the steps of:
acquiring the water temperature of a water supply pipeline of the second heating loop or the third heating loop;
comparing the water temperature on the water supply line of the second heating circuit or the third heating circuit with the required temperature of the end device 14;
the opening degree of the second control valve group on the second heating circuit or the third heating circuit is controlled based on the result of comparing the water temperature on the water supply pipe with the required temperature of the end device 14.
Preferably, the second control valve group on the second heating circuit or the third heating circuit is the third shut-off valve 153, the fourth shut-off valve 154, and the fifth shut-off valve 155 described in embodiment 1.
In the control method according to the preferred embodiment of the present utility model, the opening degree of the second control valve group on the second heating circuit or the third heating circuit is controlled by the comparison result of the water temperature on the water supply pipe of the second heating circuit or the third heating circuit and the required temperature of the end device 14, so that the water supply temperature of the second heating circuit or the third heating circuit can meet the requirement of the end device 14, and the speed of heating the end device 14 can be increased.
Preferably, the water temperature on the water supply line of the second heating circuit or the third heating circuit satisfies T' < T 21 When the opening degree of the second control valve group on the second heating loop or the third heating loop is controlled to be reduced; the water temperature on the water supply pipe of the second heating loop or the third heating loop meets T'. Gtoreq.T 21 When the opening degree of the second control valve group on the second heating loop or the third heating loop is controlled to be increased; wherein T' is the water temperature on the water supply pipe of the second heating loop or the third heating loop, T 21 Is the desired temperature for the end device 14. The required temperature of the end device 14 is, for example, 45 ℃. Specifically, when the water temperature on the water supply pipe of the second heating circuit or the third heating circuit meets T' < T 21 When the opening degree of the second control valve group on the second heating loop or the third heating loop is controlled to be reduced, so that the temperature of water flowing out of the condenser 135 can be increased, and the water supply temperature of the second heating loop or the third heating loop can meet the requirement of the terminal equipment 14; when the water temperature on the water supply pipe of the second heating loop or the third heating loop meets T'. Gtoreq.T 21 In this case, the opening degree of the second control valve group in the second heating circuit or the third heating circuit is controlled to be increased, so that the speed of heating to the end device 14 is increased.
In the description of the present utility model, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like 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 also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (9)

1. A heating device is characterized by comprising a solar heat collection module (11), a heat storage water tank (12), a double heat source heat pump module (13) and end equipment (14), wherein a heating circulation loop is formed between the solar heat collection module (11) and the heat storage water tank (12), and
the heat storage water tank (12) is connected with the terminal equipment (14) and forms a first heating loop; the dual heat source heat pump module (13) comprises a first heating assembly and a second heating assembly, wherein the first heating assembly is connected with the terminal equipment (14) and forms a second heating loop; the heat storage water tank (12) is connected with the second heating assembly, and the second heating assembly is connected with the terminal equipment (14) and forms a third heating loop.
2. A heating arrangement according to claim 1, characterized in that the dual heat source heat pump module (13) comprises an air source evaporator (131), a water source evaporator (132), a compressor (133), a throttle valve (134) and a condenser (135), wherein the air source evaporator (131) is arranged in parallel with the water source evaporator (132);
the air source evaporator (131), the compressor (133), the condenser (135), the throttle valve (134) and the air source evaporator (131) are sequentially connected and form the first heating assembly;
the water source evaporator (132), the compressor (133), the condenser (135), the throttle valve (134) and the water source evaporator (132) are sequentially connected and form the second heating assembly.
3. A heating arrangement according to claim 2, characterized in that the dual heat source heat pump module (13) further comprises a first control valve group arranged on the first heating assembly and the second heating assembly, and the first control valve group is used for controlling the on-off state of the first heating assembly and the second heating assembly.
4. A heating arrangement according to claim 3, characterized in that the first control valve group comprises a first three-way valve (136) and a second three-way valve (137), wherein,
three interfaces of the first three-way valve (136) are respectively connected with the outlet of the air source evaporator (131), the outlet of the water source evaporator (132) and the inlet of the throttle valve (134); the three interfaces of the second three-way valve (137) are respectively connected with the inlet of the air source evaporator (131), the inlet of the water source evaporator (132) and the outlet of the compressor (133).
5. The heating apparatus according to claim 1, further comprising a second control valve group provided on the first heating circuit, the second heating circuit, and the third heating circuit, and the second control valve group is configured to control on-off states of the first heating circuit, the second heating circuit, and the third heating circuit.
6. The heating apparatus according to claim 5, wherein the second control valve group includes a first shut-off valve (151), a second shut-off valve (152), a third shut-off valve (153), a fourth shut-off valve (154), and a fifth shut-off valve (155), wherein,
the first stop valve (151) is arranged on a water supply pipeline of the first heating circuit, and the second stop valve (152) is arranged on a water return pipeline of the first heating circuit;
the third stop valve (153) is arranged on water supply pipelines of the second heating circuit and the third heating circuit, and the fourth stop valve (154) is arranged on water return pipelines of the second heating circuit and the third heating circuit;
the fifth stop valve (155) is arranged between the heat storage water tank (12) and the water source evaporator (132) of the double heat source heat pump module (13).
7. The heating apparatus according to claim 5, further comprising a first water pump (161), a second water pump (162), and a third water pump (163), wherein,
the first water pump (161) is arranged on a pipeline for connecting the solar heat collection module (11) and the heat storage water tank (12), the second water pump (162) is arranged on a water supply pipeline of the first heating loop, the second heating loop and the third heating loop, and the third water pump (163) is arranged on a pipeline for connecting the heat storage water tank (12) and a water source evaporator (132) of the double heat source heat pump module (13).
8. The heating arrangement according to claim 1, further comprising a first temperature detector (171), the first temperature detector (171) being located within the hot water reservoir (12), the first temperature detector (171) being adapted to detect the water temperature within the hot water reservoir (12).
9. A heating arrangement according to claim 1, further comprising a second temperature detector (172), the second temperature detector (172) being located on water supply lines of the second heating circuit and the third heating circuit, the second temperature detector (172) being arranged to detect water temperature on water supply lines of the second heating circuit and the third heating circuit.
CN202222533847.9U 2022-09-23 2022-09-23 Heating device Active CN219045768U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222533847.9U CN219045768U (en) 2022-09-23 2022-09-23 Heating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222533847.9U CN219045768U (en) 2022-09-23 2022-09-23 Heating device

Publications (1)

Publication Number Publication Date
CN219045768U true CN219045768U (en) 2023-05-19

Family

ID=86318527

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222533847.9U Active CN219045768U (en) 2022-09-23 2022-09-23 Heating device

Country Status (1)

Country Link
CN (1) CN219045768U (en)

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