阅读说明：本技术 太阳能光伏发电和太阳能集热器的空气源热泵控制系统 (Air source heat pump control system of solar photovoltaic power generation and solar heat collector ) 是由 陈永杰 李太军 刘峰 于 2018-07-02 设计创作，主要内容包括：本发明涉及控制系统,具体涉及太阳能光伏发电和太阳能集热器的空气源热泵控制系统,包括液环压缩机、换热器和供电单元,液环压缩机进液口与进液管相连,液环压缩机出液口与换热器之间通过连管连通,连管上依次设有太阳能集热器、空气压缩机,液环压缩机与太阳能集热器之间的连管上设有节流阀,太阳能集热器与空气压缩机之间的连管上设有三通管,三通管的一端设有轴流风机,换热器上设有进水管、出水管和排水管,换热器内部设有螺旋换热管,螺旋换热管的一端与进水管连通,螺旋换热管的另一端与出水管连通；本发明所提供的技术方案能够有效克服现有技术所存在的目前还没有一种能够将光伏发电和太阳能集热器与空气源热泵相结合的控制系统的缺陷。(The invention relates to a control system, in particular to an air source heat pump control system of a solar photovoltaic power generation and solar thermal collector, which comprises a liquid ring compressor, a heat exchanger and a power supply unit, wherein a liquid inlet of the liquid ring compressor is connected with a liquid inlet pipe, a liquid outlet of the liquid ring compressor is communicated with the heat exchanger through a connecting pipe, the connecting pipe is sequentially provided with the solar thermal collector and the air compressor, a throttle valve is arranged on the connecting pipe between the liquid ring compressor and the solar thermal collector, a three-way pipe is arranged on the connecting pipe between the solar thermal collector and the air compressor, one end of the three-way pipe is provided with an axial flow fan, the heat exchanger is provided with a water inlet pipe, a water outlet pipe and a water drain pipe, a spiral; the technical scheme provided by the invention can effectively overcome the defect that no control system capable of combining photovoltaic power generation, a solar heat collector and an air source heat pump exists in the prior art.)

1. Air source heat pump control system of solar photovoltaic power generation and solar collector, its characterized in that: comprises a liquid ring compressor (1), a heat exchanger (2) and a power supply unit, wherein a liquid inlet of the liquid ring compressor (1) is connected with a liquid inlet pipe (3), a liquid outlet of the liquid ring compressor (1) is communicated with the heat exchanger (2) through a connecting pipe (5), a solar heat collector (6) and an air compressor (7) are sequentially arranged on the connecting pipe (5), a throttle valve (8) is arranged on the connecting pipe (5) between the liquid ring compressor (1) and the solar heat collector (6), a three-way pipe (9) is arranged on the connecting pipe (5) between the solar heat collector (6) and the air compressor (7), an axial flow fan (10) is arranged at one end of the three-way pipe (9), a water inlet pipe (11), a water outlet pipe (4) and a water outlet pipe (14) are arranged on the heat exchanger (2), a spiral heat exchange pipe is arranged in the heat exchanger (2), and one end of the spiral, the other end of the spiral heat exchange tube is communicated with a water outlet tube (4), a water inlet valve (12) is arranged on the water inlet tube (11), a temperature sensor (13) is arranged on the water outlet tube (4), and the temperature sensor (13) is connected with a controller.

2. The air source heat pump control system of solar photovoltaic power generation and solar thermal collector according to claim 1, characterized in that: the temperature sensor (13) and the controller are communicated through a wireless communication module.

3. The air source heat pump control system of solar photovoltaic power generation and solar thermal collector according to claim 2, characterized in that: the wireless communication module is a zigbee module.

4. The air source heat pump control system of solar photovoltaic power generation and solar thermal collector according to claim 1, characterized in that: the liquid ring compressor (1), the throttle valve (8), the air compressor (7), the axial flow fan (10) and the water inlet valve (12) are electrically connected with the controller.

5. The air source heat pump control system of solar photovoltaic power generation and solar thermal collector according to claim 1, characterized in that: the temperature sensor (13) is pt100, and the controller adopts an STM32 chip.

6. The air source heat pump control system of solar photovoltaic power generation and solar thermal collector according to claim 1, characterized in that: the power supply unit comprises a solar panel, a storage battery, a first transformer, an inverter and a second transformer, wherein the storage battery is connected with the solar panel and used for storing electric energy, the first transformer is connected with the storage battery and used for transforming direct current into alternating current, the inverter is connected with the storage battery and used for transforming the direct current into the alternating current, and the second transformer is connected with the inverter and used for transforming the alternating current.

7. The air source heat pump control system of solar photovoltaic power generation and solar thermal collector according to claim 1, characterized in that: the spiral heat exchange tube is spiral.

Technical Field

The invention relates to a control system, in particular to an air source heat pump control system of a solar photovoltaic power generation and solar heat collector.

Background

An air source heat pump is an energy-saving device which utilizes heat to flow from low-level heat source air to high-level heat source, is a form of heat pump, and can convert low-level heat energy (such as heat contained in air, soil and water) which can not be directly utilized into high-level heat energy which can be utilized, thereby achieving the purpose of saving part of high-level heat energy (such as coal, gas, oil, electric energy and the like). The air is used as a low-level heat source of the heat pump, is inexhaustible, is available everywhere and can be acquired without compensation, and the air source heat pump is convenient to install and use and can realize continuous and stable heating and refrigerating requirements and energy cleaning.

The solar energy power generation is called as the most ideal new energy, and has the advantages of ① no exhaustion danger, ② safety, reliability, no noise and no pollution emission, ③ is not limited by resource distribution and regions, the advantages of building roofs can be utilized, ④ can generate power and supply power on site without consuming fuel and erecting power transmission lines, ⑤ energy quality is high, ⑦ construction period is short, and time for obtaining energy is short.

Flat-plate solar collectors, combinations of solar collectors and heat pump evaporators, i.e. the refrigerant absorbs solar radiation directly on the solar collector and evaporates. In an extension of the indirect-type system, the solar collector and the solar collector are subjected to absorption by a collector medium (e.g., water, air, antifreeze solution, etc.) and the heat pump evaporator transfers heat to the refrigerant of the evaporator.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects in the prior art, the invention provides an air source heat pump control system of a solar photovoltaic power generation and solar heat collector, which can effectively overcome the defect that no control system capable of combining the photovoltaic power generation, the solar heat collector and the air source heat pump exists in the prior art.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

an air source heat pump control system of solar photovoltaic power generation and a solar thermal collector comprises a liquid ring compressor, a heat exchanger and a power supply unit, wherein a liquid inlet of the liquid ring compressor is connected with a liquid inlet pipe, a liquid outlet of the liquid ring compressor is communicated with the heat exchanger through a connecting pipe, the connecting pipe is sequentially provided with the solar thermal collector and the air compressor, a throttle valve is arranged on the connecting pipe between the liquid ring compressor and the solar thermal collector, a three-way pipe is arranged on the connecting pipe between the solar thermal collector and the air compressor, one end of the three-way pipe is provided with an axial flow fan, the heat exchanger is provided with a water inlet pipe, a water outlet pipe and a water drain pipe, a spiral heat exchange pipe is arranged inside the heat exchanger, one end of the spiral heat exchange pipe is communicated with the water inlet pipe, the temperature sensor is connected with the controller.

Preferably, the temperature sensor and the controller communicate through a wireless communication module.

Preferably, the wireless communication module is a zigbee module.

Preferably, the liquid ring compressor, the throttle valve, the air compressor, the axial flow fan and the water inlet valve are electrically connected with the controller.

Preferably, the temperature sensor is pt100 and the controller employs an STM32 chip.

Preferably, the power supply unit includes a solar panel, a storage battery connected to the solar panel for storing electric energy, a first transformer connected to the storage battery for transforming direct current, an inverter connected to the storage battery for converting direct current into alternating current, and a second transformer connected to the inverter for transforming alternating current.

Preferably, the spiral heat exchange tube is spiral.

(III) advantageous effects

Compared with the prior art, the air source heat pump control system of the solar photovoltaic power generation and solar thermal collector can utilize the liquid ring compressor to press liquid water flow into the solar thermal collector through the throttle valve, the liquid water flow is vaporized by the solar radiation absorbed by the solar heat collector, the axial flow fan can absorb a large amount of heat energy in the air from the environment, the heat energy is compressed by the air compressor to form high-temperature and high-pressure gas, the solar photovoltaic power generation and solar heat collection control technology is effectively and reasonably butted to a control system of the air source heat pump, so that digital and intelligent technical control is realized; the temperature sensor can detect the temperature of rivers in the water pipe, and when the temperature reached the threshold value, the controller control heat pump system disconnection, the function of constant temperature heating can be realized to the stopping heating.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the system of the present invention;

FIG. 3 is a schematic diagram of a power supply unit according to the present invention;

in the figure:

1. a liquid ring compressor; 2. a heat exchanger; 3. a liquid inlet pipe; 4. a water outlet pipe; 5. connecting pipes; 6. a solar heat collector; 7. an air compressor; 8. a throttle valve; 9. a three-way pipe; 10. an axial flow fan; 11. a water inlet pipe; 12. a water inlet valve; 13. a temperature sensor; 14. and a water discharge pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An air source heat pump control system of a solar photovoltaic power generation and solar heat collector is shown in figures 1 to 3 and comprises a liquid ring compressor 1, a heat exchanger 2 and a power supply unit, wherein a liquid inlet of the liquid ring compressor 1 is connected with a liquid inlet pipe 3, a liquid outlet of the liquid ring compressor 1 is communicated with the heat exchanger 2 through a connecting pipe 5, the connecting pipe 5 is sequentially provided with the solar heat collector 6 and an air compressor 7, the connecting pipe 5 between the liquid ring compressor 1 and the solar heat collector 6 is provided with a throttle valve 8, the connecting pipe 5 between the solar heat collector 6 and the air compressor 7 is provided with a three-way pipe 9, one end of the three-way pipe 9 is provided with an axial flow fan 10, the heat exchanger 2 is provided with a water inlet pipe 11, a water outlet pipe 4 and a water outlet pipe 14, a spiral heat exchange pipe is arranged inside the heat exchanger, a water inlet valve 12 is arranged on the water inlet pipe 11, a temperature sensor 13 is arranged on the water outlet pipe 4, and the temperature sensor 13 is connected with the controller.

The temperature sensor 13 communicates with the controller via a wireless communication module.

The wireless communication module is a zigbee module.

The liquid ring compressor 1, the throttle valve 8, the air compressor 7, the axial flow fan 10 and the water inlet valve 12 are electrically connected with the controller.

The temperature sensor 13 is pt100 and the controller uses the STM32 chip.

The power supply unit comprises a solar panel, a storage battery connected with the solar panel and used for storing electric energy, a first transformer connected with the storage battery and used for transforming direct current into alternating current, an inverter connected with the storage battery and used for converting the direct current into the alternating current, and a second transformer connected with the inverter and used for transforming the alternating current.

The spiral heat exchange tube is spiral.

The technical scheme of the invention is that the solar photovoltaic power generation and solar thermal control technology is effectively and reasonably butted to a control system of an air source heat pump in a seamless mode, and digital and intelligent technical control is realized.

The temperature sensor 13 is able to detect the temperature of the water flow in the outlet pipe 4 and send the data to the controller. When the temperature reaches the threshold value, the controller controls the liquid ring compressor 1, the air compressor 7 and the axial flow fan 10 to stop working, and simultaneously closes the throttle valve 8 and the water inlet valve 12 to stop heating, so that the function of constant temperature heating can be realized.

Furthermore, the water inlet pipe 11 may be connected to a tap water pipe. The water discharge pipe 14 and the liquid inlet pipe 3 can be connected end to end, and a water pump is additionally arranged, so that the condensed water discharged from the water discharge pipe 14 can be recycled. The models of the temperature sensor 13 and the controller are disclosed, the internal circuit structure and the pin functions thereof can be checked in the factory specifications, and a person skilled in the art can easily establish a circuit connection relationship, and the wireless communication module is used for communication, which belongs to the prior art, and therefore, the details are not repeated herein.

The air source heat pump control system of the solar photovoltaic power generation and solar thermal collector can utilize the liquid ring compressor to press liquid water flow into the solar thermal collector through the throttle valve, the liquid water flow is vaporized by means of solar radiation absorbed by the solar thermal collector, the axial flow fan can absorb a large amount of heat energy in air from the environment, the heat energy is compressed by the air compressor to form high-temperature and high-pressure gas, the gas enters the thermal collector and transfers the absorbed heat to the water flow in the spiral heat exchange tube, the water can be heated by continuous circulation, and the power supply unit supplies power to all electric appliances in the system by utilizing the photovoltaic power generation; the temperature sensor can detect the temperature of rivers in the water pipe, and when the temperature reached the threshold value, the controller control heat pump system disconnection, the function of constant temperature heating can be realized to the stopping heating.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.