Solar energy and air source heat pump heat storage and exchange integrated device

Abstract

The utility model provides a solar energy and air source heat pump heat storage and exchange integrated device which comprises a solar heat collection system, an air source heat pump heat exchange system and an air source heat pump heat exchange system. The air source heat pump unit is used for obtaining heat in air and storing the heat in water; the solar heat collection system communicates with a solar heat collection water return connector and a solar heat collection water supply connector of the heat storage and heat exchange integrated device; the air source heat pump unit communicates with an air source heat pump unit water return connector and an air source heat pump unit water supply connector of the heat storage and exchange integrated device, and the integrated device achieves coupling of solar energy and an air energy heat pump and can conduct heating, heat storage and domestic water heating. The integrated heat storage and heat exchange integrated device is easy and convenient to install, rapid installation can be achieved, and the installation space is saved.

Description

Technical Field

[0001] The present application belongs to the technical field of heat storage and heat exchange equipment and facilities, and specifically relates to a solar energy and air source heat pump heat storage and heat exchange integrated device. Background Art

[0002] The use of solar energy and air energy for heating has many advantages such as energy saving, cleanliness, and zero carbon emissions. It can also meet the needs of domestic hot water. Therefore, solar heating and air source heat pump heating technologies have been widely used. At present, the combination of solar energy and air source heat pump systems mainly assembles various components on site, which takes up a lot of space, is laborious and time-consuming, has high installation costs, is not beautiful, and it is difficult to ensure the consistency of system performance, which often results in frequent after-sales maintenance in actual use.

[0003] For example, the patent document with Chinese invention patent application number CN202110938953.2 discloses a solar air source heat pump, including an air source heat pump, wherein the air source heat pump includes an evaporator, a compressor, a condenser, an expansion valve and a water storage tank, the air inlet of the evaporator is connected to one end of a No. 1 air inlet pipe, the other end of the No. 1 air inlet pipe is connected to multiple No. 2 air inlet pipes, and the No. 2 air inlet pipes are symmetrically distributed along the center line of the No. 1 air inlet pipe, and the end of the No. 2 air inlet pipe away from the No. 1 air inlet pipe is a free end, and a No. 1 temperature sensor and a No. 1 solenoid valve are arranged at the free end of the No. 2 air inlet pipe, and a No. 1 controller is arranged at the No. 1 air inlet pipe; the No. 1 controller is connected to the No. 1 temperature sensor and a No. 1 solenoid valve. No. 1 solenoid valves are electrically connected; No. 1 temperature sensor is used to detect the temperature of the air in the free end of No. 2 intake pipe; the No. 1 temperature sensor transmits the detected temperature signal to the No. 1 controller; the No. 1 controller is used to compare the temperatures in the free ends of multiple No. 2 intake pipes, and control the corresponding No. 1 solenoid valves to open the pipe mouth of the No. 2 intake pipe with a high temperature in the free end, and close the pipe mouth of the No. 2 intake pipe with a low temperature in the free end; a micro wind turbine is arranged at the air outlet of the evaporator; an air outlet pipe is arranged on the side of the micro wind generator away from the evaporator, and the air outlet pipe is used to discharge the low-temperature air after heat exchange in the evaporator; the No. 1 intake pipe and the No. 2 intake pipe are both insulation pipes.

[0004] The above-mentioned prior art adopts a method of transferring heat from an air source heat pump and a solar collector to a water storage tank respectively. During the actual installation and construction process, each component needs to be assembled on site, which consumes time.

[0005] Based on the above-mentioned technical problems existing in the prior art, the present application provides a solar energy and air source heat pump heat storage and heat exchange integrated device. Summary of the invention

[0006] The present application proposes a solar energy and air source heat pump heat storage and heat exchange integrated device.

[0007] This application adopts the following technical solutions:

[0008] A solar energy and air source heat pump heat storage and heat exchange integrated device, comprising:

[0009] Solar thermal systems, which capture the heat from the sun to store it in water;

[0010] Air source heat pump units, which capture heat from the air to store it in water;

[0011] The heat storage and heat exchange integrated device, the solar thermal collection system is respectively connected to the solar thermal collection return water interface and the solar thermal collection water supply interface of the heat storage and heat exchange integrated device; the air source heat pump unit is respectively connected to the air source heat pump unit return water interface and the air source heat pump unit water supply interface of the heat storage and heat exchange integrated device.

[0012] Furthermore, the total return water interface of the heat storage and heat exchange integrated device and the floor heating terminal water supply interface are respectively connected to the floor heating terminal.

[0013] Furthermore, the total return water interface of the heat storage and heat exchange integrated device and the water supply interface at the end of the fan coil are respectively connected to the end of the fan coil.

[0014] Furthermore, the heat storage and heat exchange integrated device includes a heat storage box, an insulation layer attached to the outside of the heat storage box, a phase change heat storage material block arranged in the heat storage box, a heat exchanger box arranged on the outer wall of the heat storage box, and a heat exchanger arranged in the heat exchanger box, and the heat exchanger is connected to the floor heating terminal, the fan coil terminal, the air source heat pump unit and the solar thermal collection system.

[0015] Furthermore, the heat storage and heat exchange integrated device includes a temperature sensor and a water level sensor arranged at the lower part of the heat storage tank.

[0016] Furthermore, the heat exchanger is connected to a first pipeline, a ninth solenoid valve is arranged on the first pipeline, and the first pipeline is connected to a solar energy heat collection water supply interface.

[0017] Furthermore, the heat exchanger is connected to a second pipeline, a first solenoid valve is provided on the second pipeline, and the second pipeline is connected to the heat storage tank.

[0018] Furthermore, the heat exchanger is connected to a third pipeline, which is connected to the total return water interface. The third pipeline is sequentially provided with an eighth solenoid valve, a first circulation pump and a pressure sensor. The third pipeline bypass pipeline is connected to the water supply interface of the air source heat pump unit, and a safety valve is provided on the bypass pipeline.

[0019] Furthermore, the heat exchanger is connected to a fourth pipeline, which is connected to the water supply interface at the end of the fan coil unit through a fifth solenoid valve, the fourth pipeline is connected to the water supply interface at the end of the floor heating through a sixth solenoid valve, and the fourth pipeline is connected to the return water interface of the air source heat pump unit through a seventh solenoid valve.

[0020] Furthermore, the third pipeline is connected to the cold water replenishment interface through the fourth solenoid valve, the cold water replenishment interface is connected to the hot water return interface through the second solenoid valve and the third solenoid valve, and the heat storage tank is connected between the second solenoid valve and the third solenoid valve through the pipeline.

[0021] Furthermore, the heat storage tank is connected to a fifth pipeline, and the fifth pipeline is connected to the end of the domestic hot water through a third circulation pump.

[0022] Furthermore, the heat storage tank is connected to a sixth pipeline, and the sixth pipeline is connected to the first pipeline through a second circulation pump.

[0023] Compared with the prior art, the superior effects of the present application are: the solar energy and air source heat pump heat storage and heat exchange integrated device described in the present application realizes the coupling of solar energy and air source heat pump, and can be used for heating, heat storage and heating of domestic water; the integrated heat storage and heat exchange integrated device is easy to install, can be installed quickly, and saves installation space. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 Schematic diagram of a solar energy and air source heat pump heat storage and heat exchange integrated device in an embodiment of the present application;

[0025] Figure 2 It is a schematic diagram of the structure of the integrated heat storage and heat exchange device in the embodiment of the present application.

[0026] In the figure, 001- heat storage and heat exchange integrated device;

[0027] 002- Domestic hot water terminal;

[0028] 003-Solar thermal system;

[0029] 004-Fan coil terminal;

[0030] 005- Floor heating terminal;

[0031] 006-Air source heat pump unit;

[0032] 101-heat exchanger box, 102-solar heat collection return water interface, 103-heat storage box, 104-insulation layer, 105-phase change heat storage material, 106-temperature sensor reserved port, 107-water level sensor reserved port;

[0033] 201-cold water replenishment interface, 202-hot water return interface, 203-fan coil terminal water supply interface, 204-floor heating terminal water supply interface, 205-air source heat pump unit return interface, 206-air source heat pump unit water supply interface, 207-total return water interface, 208-domestic hot water supply interface, 209-solar heat collection water supply interface;

[0034] 301-first solenoid valve, 302-second solenoid valve, 303-third solenoid valve, 304-fourth solenoid valve, 305-fifth solenoid valve, 306-sixth solenoid valve, 307-pressure sensor, 308-first circulation pump, 309-seventh solenoid valve, 310-safety valve, 311-eighth solenoid valve, 312-second circulation pump, 313-third circulation pump, 314-heat exchanger, 315-ninth solenoid valve. DETAILED DESCRIPTION

[0035] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0036] The solar energy and air source heat pump heat storage and heat exchange integrated device comprises a heat storage box, a pump, a valve, connecting pipes and a heat exchanger box. The controller of the solar energy and air source heat pump heat storage and heat exchange integrated device collects outdoor temperature and indoor temperature and controls the air source heat pump's own controller in linkage control during cooling and heating to control the opening and closing of the solenoid valve and the start and stop of the water pump in the solar energy and air source heat pump heat storage and heat exchange integrated device. During solar heating, the temperature signal of the solar collector, the temperature signal in the heat storage box and the water level signal are collected to control the opening and closing of the solenoid valve and the start and stop of the water pump in the solar energy and air source heat pump heat storage and heat exchange integrated device.

[0037] Example

[0038] like Figure 1 As shown, the solar energy and air source heat pump heat storage and heat exchange integrated device comprises:

[0039] Solar thermal system 003, which captures the heat from the sun to store it in water;

[0040] Air source heat pump unit 006, which obtains heat from the air to store the heat in water;

[0041] The heat storage and heat exchange integrated device 001 and the solar thermal collection system 003 are respectively connected to the solar thermal collection return water interface 102 and the solar thermal collection water supply interface 209 of the heat storage and heat exchange integrated device 001; the air source heat pump unit 006 is respectively connected to the air source heat pump unit return water interface 205 and the air source heat pump unit water supply interface 206 of the heat storage and heat exchange integrated device 001.

[0042] As a specific implementation, the heat storage and heat exchange integrated device 001 has a main body of a heat storage box 103, an insulation layer 104 is arranged outside the heat storage box 103, a phase change heat storage material block 105 is installed inside the heat storage box 103, a solar heat collection return water interface 102 is arranged at the upper part of the heat storage box 103, and a temperature sensor reserved port 106 and a water level sensor reserved port 107 are arranged at the lower part of the heat storage box 103;

[0043] Exemplarily, the thickness of the insulation layer 104 is 50-100 mm, and the insulation material is rock wool or polyurethane foam material;

[0044] Exemplarily, the phase-change thermal storage material block 105 is a crystalline hydrated salt or paraffin, and the phase-change thermal storage material block 105 is encapsulated in a spherical, polyhedral or cylindrical plastic container.

[0045] As a specific implementation method, Figure 2 As shown, a heat exchanger housing 101 is fixed on the heat storage housing 103, and a first solenoid valve 301, a second solenoid valve 302, a third solenoid valve 303, a fourth solenoid valve 304, a fifth solenoid valve 305, a sixth solenoid valve 306, a pressure sensor 307, a first circulation pump 308, a seventh solenoid valve 309, a safety valve 310, an eighth solenoid valve 311, a second circulation pump 312, a third circulation pump 313, a heat exchanger 314, and a ninth solenoid valve 315 are integrated in the heat exchanger housing 101, which are connected through pipelines and communicated with the heat storage housing 103;

[0046] The cold water replenishment interface 201 is connected to the heat storage tank 103 via the second solenoid valve 302, and is connected to the total return water interface 207 via the fourth solenoid valve 304 and the pressure sensor 307, and the hot water return water interface 202 is connected to the heat storage tank 103 via the third solenoid valve 303;

[0047] Exemplarily, the return water interface 205 of the air source heat pump unit is connected to the fan coil terminal water supply interface 203 via the seventh solenoid valve 309 and then via the fifth solenoid valve 305, or is connected to the floor heating terminal water supply interface 204 via the sixth solenoid valve 306;

[0048] The total return water interface 207 is connected to the air source heat pump unit water supply interface 206 via the pressure sensor 307 and the first circulation pump 308, or is connected to the fan coil terminal water supply interface 203 via the eighth solenoid valve 311, the heat exchanger 314 and the fifth solenoid valve 305, or is connected to the floor heating terminal water supply interface 204 via the sixth solenoid valve 306;

[0049] The inlet of the second circulation pump 312 is connected to the lower part of the heat box 103, and the outlet of the second circulation pump 312 is connected to the upper part of the heat box 103 through a pipeline via the heat exchanger 314 and the first solenoid valve 301, or is connected to the solar heat collection water supply interface 209 via the ninth solenoid valve 315;

[0050] The third circulation pump 313 is connected to the domestic hot water supply interface 208 via a pipeline.

[0051] As a specific implementation method, the domestic hot water terminal 002, the solar thermal collection system 003, the fan coil terminal 004, the floor heating terminal 005, and the air source heat pump unit 006 are connected to the interface of the heat storage and heat exchange integrated device 001 through pipelines;

[0052] Exemplarily, the domestic hot water terminal 002 is connected to the domestic hot water supply interface 208;

[0053] Exemplarily, the solar thermal collection system 003 is connected to the solar thermal collection water return interface 102 and the heat exchanger 314;

[0054] Exemplarily, the fan coil terminal 004 is connected to the fan coil terminal water supply interface 203 and the total return water interface 207;

[0055] Exemplarily, the floor heating terminal 005 is connected to the floor heating terminal water supply interface 204 and the total return water interface 207;

[0056] Exemplarily, the air source heat pump unit 006 is connected to the air source heat pump unit return water interface 205 and the air source heat pump unit supply water interface 206 .

[0057] As a specific implementation, the heat exchanger 314 is connected to a first pipeline, a ninth solenoid valve 315 is provided on the first pipeline, and the first pipeline is connected to the solar energy heat collection water supply interface 209 .

[0058] As a specific implementation, the heat exchanger 314 is connected to a second pipeline, a first solenoid valve 301 is provided on the second pipeline, and the second pipeline is connected to the heat storage tank 103 .

[0059] As a specific implementation, the heat exchanger is connected to a third pipeline, the third pipeline is connected to the total return water interface 207, the third pipeline is sequentially provided with an eighth solenoid valve 311, a first circulation pump 308 and a pressure sensor 307, the third pipeline bypass pipeline is connected to the air source heat pump unit water supply interface 206, and a safety valve 310 is provided on the bypass pipeline.

[0060] As a specific implementation, the heat exchanger is connected to a fourth pipeline, the fourth pipeline is connected to the fan coil end water supply interface 203 through the fifth solenoid valve 305, the fourth pipeline is connected to the floor heating end water supply interface 204 through the sixth solenoid valve 306, and the fourth pipeline is connected to the air source heat pump unit return water interface 205 through the seventh solenoid valve 309.

[0061] As a specific implementation, the third pipeline is connected to the cold water replenishment interface 201 through the fourth solenoid valve 304, the cold water replenishment interface 201 is connected to the hot water return interface 202 through the second solenoid valve 302 and the third solenoid valve 303, and the heat storage box 103 is connected between the second solenoid valve 302 and the third solenoid valve 303 through a pipeline.

[0062] Working principle of solar energy and air source heat pump heat storage and heat exchange integrated device:

[0063] Solar heating process: see Figure 1 and Figure 2 , the first solenoid valve 301 is closed, the ninth solenoid valve is opened 315, the second circulation pump 312 is operated to realize solar heat collection, the water in the heat storage tank 103 is heated, and the heat storage material 105 continuously stores heat;

[0064] Air conditioning refrigeration process: see Figure 1 and Figure 2 , the eighth solenoid valve 311 is closed, the seventh solenoid valve 309 is opened, the fifth solenoid valve 305 is opened, the sixth solenoid valve 306 is closed, the first circulation pump 308 is running, the air source heat pump 006 is switched to the cooling mode, and is connected to the fan coil terminal 004, forming an air conditioning refrigeration system;

[0065] Floor heating process: see Figure 1 and Figure 2 , the eighth solenoid valve 311 is closed, the seventh solenoid valve 309 is opened, the fifth solenoid valve 305 is closed, the sixth solenoid valve 306 is opened, the first circulation pump 308 is running, the air source heat pump 006 is switched to the heating mode, and is connected to the floor heating terminal 005 to form a heating system;

[0066] The air source heat pump 006 defrosts: the seventh solenoid valve 309 is closed, the eighth solenoid valve 311 is opened, the first circulation pump 308 is running, and at the same time, the first solenoid valve 301 is opened, the ninth solenoid valve 315 is closed, and the second circulation pump 312 is running, and the heat in the heat storage box 103 is exchanged through the heat exchanger 314, and the heat is continuously supplied to the floor heating terminal 005, so as to realize continuous heating;

[0067] Hot water supply process: when the domestic hot water terminal 002 is opened, the third circulation pump 313 operates to absorb the hot water in the heat storage tank 103 and pressurize it to supply the domestic hot water terminal 002. When there is no hot water, the third solenoid valve 303 is controlled according to the temperature value of the water pipe and the third circulation pump 313 is operated to keep the pipe at a constant temperature;

[0068] Water replenishment process: water is replenished in the heat storage box 103, and the second solenoid valve 302 is controlled to open according to the water level to replenish water. The water stops automatically when it is full. The fourth solenoid valve 304 is controlled to open according to the pipeline pressure constant pressure sensor to replenish water at a constant pressure.

[0069] The present application is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present application. Without departing from the spirit and scope of the present application, the present application may have various changes and improvements, which are within the scope of the present application to be protected. The scope of protection claimed by the present application is defined by the attached claims.

Claims

1. A solar energy and air source heat pump heat storage and heat exchange integrated device, characterized in that: include: Solar thermal systems, which capture the sun's heat to store it in water; Air source heat pump units, which capture heat from the air to store it in water; The heat storage and heat exchange integrated device, the solar thermal collection system is respectively connected to the solar thermal collection return water interface and the solar thermal collection water supply interface of the heat storage and heat exchange integrated device; the air source heat pump unit is respectively connected to the air source heat pump unit return water interface and the air source heat pump unit water supply interface of the heat storage and heat exchange integrated device; the total return water interface and the floor heating terminal water supply interface of the heat storage and heat exchange integrated device are respectively connected to the floor heating terminal; the total return water interface and the fan coil terminal water supply interface of the heat storage and heat exchange integrated device are respectively connected to the fan coil terminal; the heat storage and heat exchange integrated device includes a heat storage box, an insulation layer attached to the outside of the heat storage box, a phase change heat storage material block arranged in the heat storage box, a heat exchanger box arranged in the heat storage box, and a heat exchanger arranged in the heat exchanger box, the heat exchanger is connected to the floor heating terminal, the fan coil terminal, the air source heat pump unit and the solar thermal collection system; the heat storage and heat exchange integrated device is provided with a temperature sensor and a water level sensor at the bottom of the heat storage box; The heat exchanger is connected with a first pipeline, which is connected to the solar heat collection water supply interface, and a ninth solenoid valve is provided on the first pipeline; the heat exchanger is connected with a second pipeline, which is provided with a first solenoid valve, and the second pipeline is connected to the heat storage tank; the heat exchanger is connected with a third pipeline, which is connected to the total return water interface, and the third pipeline is provided with an eighth solenoid valve, a first circulation pump and a pressure sensor in sequence, and the third pipeline is connected to the air source heat pump unit water supply interface through a safety valve; the heat exchanger is connected with a fourth pipeline, which is connected to the fan coil end water supply interface through a fifth solenoid valve, the fourth pipeline is connected to the floor heating end water supply interface through a sixth solenoid valve, and the fourth pipeline is connected to the air source heat pump unit return water interface through a seventh solenoid valve; the third pipeline is connected to the cold water supply interface through the fourth solenoid valve, and the cold water supply interface is connected to the hot water return interface through the second solenoid valve and the third solenoid valve, and the heat storage tank is connected between the second solenoid valve and the third solenoid valve through a pipeline.

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