CN210921541U - Novel PV/T heat collector and ground source heat pump heating coupling system - Google Patents

Abstract

The utility model discloses a novel PV/T heat collector and ground source heat pump heating coupled system, including hot collecting water tank, hot collecting water tank's bottom is equipped with the water intake pipe from beginning, hot collecting water tank's delivery port passes through outlet conduit and is connected to the resident family, and install the valve in the pipeline, frequency conversion working shaft and level pressure jar, the backward flow mouth of hot collecting water tank's upper end passes through backflow pipeline and is connected to the user, and the pipeline is to installing valve and temperature return solenoid valve, through heating return water pipeline UNICOM in outlet conduit and the backflow pipeline, and install the ground source heat pump in the heating return water pipeline, install the valve on the pipeline of ground source heat pump's water inlet respectively, hot collecting water tank's upper end still carries out circulation heating through circulating line and PV/T heat collector UNICOM. The utility model discloses utilize the ground source heat pump to provide heating hot water when overcast and rainy or sleet weather, effectively compensatied the defect of solar energy, utilize renewable energy to provide heating hot water, reduce other energy resource consumptions.

Description

A new type of PV/T collector and ground source heat pump heating coupling system

Technical field:

The utility model relates to the technical field of solar energy and the technical field of ground source heat pumps, and mainly relates to a novel PV/T heat collector and a ground source heat pump heating coupling system.

Background technique:

Social progress is changing with each passing day, and energy depletion leads to an imminent energy crisis. Therefore, improving energy utilization, vigorously developing green energy, promoting social energy conservation and environmental protection, and promoting sustainable economic and environmental development are the glorious burdens of the times on our contemporary shoulders. my country is rich in solar energy resources, but there are also some shortcomings in the utilization of solar energy resources. Solar energy cannot be effectively utilized in rainy and hazy weather, and secondly, its mobility is poor. Ground source heat pump, also known as geothermal heat pump, uses ground source energy (soil, groundwater or surface water) to exchange cold and heat as the heat source of the heat pump. Due to the small thermal conductivity of the soil and the large heat exchange area, the long-term continuous operation of the heat pump system will cause fluctuations in the soil temperature field and unstable operation. The solar energy and ground source heat pump coupling system is a heat pump system with solar energy and shallow geothermal energy as the composite heat source. The solar heat and the ground source heat pump heat are utilized simultaneously and combined with each other to complement each other's advantages and effectively improve the COP of the heat pump unit. Solar energy and geothermal energy, as stable and green renewable energy sources, contain huge potential for development and utilization.

Utility model content:

The purpose of the utility model is to make up for the defects of the existing technology, and provide a novel PV/T collector and ground source heat pump heating coupling system, which can greatly reduce the operating cost and maximize the utilization of renewable energy by using the complementary system of new energy.

The utility model is achieved through the following technical solutions:

A new type of PV/T collector and ground source heat pump heating coupling system is characterized in that: it includes a hot water collection tank, a PV/T collector, a valve ground source heat pump, a temperature return solenoid valve, a variable frequency water supply pump, a fixed pressure tank, DC-AC inverter, battery, the bottom end of the hot water collecting tank is provided with a tap water inlet pipe, the water outlet of the hot water collecting tank is connected to the household through the water outlet pipe, and the pipe is installed with a water inlet pipe. The valve, the variable frequency water supply pump and the constant pressure tank, the return port at the upper end of the hot water collection tank is connected to the user through the return pipeline, and the pipeline is equipped with a valve and a return temperature solenoid valve, and the water outlet pipeline and the return pipeline pass through The heating and return water pipes are connected, and a ground source heat pump is installed in the heating and return water pipes, and valves are respectively installed on the pipes of the water inlets of the ground source heat pumps. The heater is connected to circulate and heat the water.

One end of the transition pipeline is set on the pipeline between the valve on the water outlet pipeline and the variable frequency water supply pump, and the other end of the transition pipeline is set on the pipeline between the valve of the return pipeline and the temperature return solenoid valve.

The PV/T collector can not only heat hot water but also generate electricity, and the generated DC power is stored in the storage battery.

The PV/T collector can heat hot water and generate electricity at the same time. When it is rainy or rainy or snowy, the ground source heat pump is used to provide heating and hot water, which effectively makes up for the defects of solar energy, and uses renewable energy to provide heating and hot water. , reduce other energy consumption.

The advantages of the utility model are:

1. Coupling PV/T collectors with ground source heat pumps to maximize the use of renewable energy.

2. Comparing the benefits of the design scheme with the traditional energy system, it is concluded that the system using complementary new energy can greatly reduce the operating cost and has a good application prospect.

3. Make up for the limitations of traditional solar water heaters and effectively improve the COP of heat pump units.

Description of drawings:

Fig. 1 is the system principle diagram of the present invention.

1-Hot water tank, 2-PV/T collector, 3-Valve, 4-Valve, 5-Valve, 6-Valve, 7-Ground source heat pump, 8-Return temperature solenoid valve, 9-Inverter water supply pump , 10- constant pressure tank, 11- DC-AC inverter, 12- battery.

Detailed ways:

See attached image.

A new type of PV/T collector and ground source heat pump heating coupling system, including hot water tank 1, PV/T collector 2, valve 3, valve 4, valve 5, valve 6, ground source heat pump 7 , temperature return solenoid valve 8 , variable frequency water supply pump 9 , constant pressure tank 10 , DC-AC inverter 11 , battery 12 . This system has two working modes: the first mode is that valve 3 and valve 4 are opened, valve 5 and valve 6 are closed, tap water enters the hot water tank 1 through the pipeline, and the water in the hot water tank 1 passes through the PV/T collector. After the heater 2 is heated, it returns to the hot water collection tank 1. After the water in the hot water collection tank 1 reaches the set heating and water supply temperature after being heated by circulation, it goes to the user through the variable frequency water supply pump 9 and the constant pressure tank 10, and the heating return water flows through The temperature return solenoid valve 8 reaches the hot water collecting tank 1, and is then heated by the PV/T collector 2. The DC generated by the PV/T collector 2 is stored in the battery 12. When the battery is fully charged, the generated DC passes through the DC- The AC inverter 11 is then sent to the grid; the second mode is that valve 3 and valve 4 are closed, valve 5 and valve 6 are opened, and the heating return water flows through the return solenoid valve 8 and enters the ground source heat pump 7 for heating. The water goes to the user through the variable frequency water supply pump 9 and the constant pressure tank 10 .

The working process of the utility model is as follows: the system has two working modes: the first mode is that the valve 3 and the valve 4 are opened, the valve 5 and the valve 6 are closed, and the tap water enters the hot water collection tank 1 through the pipeline, and the hot water collection tank The water in 1 is heated by the PV/T collector 2 and then returns to the hot water collection tank 1. After the water in the hot water collection tank 1 reaches the set heating and water supply temperature after being heated by circulation, it passes through the variable frequency water supply pump 9 and the constant pressure tank 10. Going to the user, the heating return water flows through the return temperature solenoid valve 8 to the hot water collection tank 1, and then passes through the PV/T collector 2 for circulating heating. The DC power generated by the PV/T collector 2 is stored in the battery 12. When the battery When fully charged, the generated DC power is sent to the power grid after passing through the DC-AC inverter 11; the second mode is that the valve 3 and valve 4 are closed, the valve 5 and valve 6 are opened, and the heating return water flows through the return temperature solenoid valve 8 into the ground source The heat pump 7 is heated, and the heated water is sent to the user through the variable frequency water supply pump 9 and the constant pressure tank 10 .

Claims (3)

1. a novel PV/T collector and ground source heat pump heating coupling system, it is characterized in that: comprise hot water tank, PV/T collector, valve ground source heat pump, temperature return solenoid valve, variable frequency water supply pump , constant pressure tank, DC-AC inverter, battery, the bottom end of the hot water tank is provided with a tap water inlet pipe, the water outlet of the hot water tank is connected to the household through the water outlet pipe, and the pipe is A valve, a variable frequency water supply pump and a constant pressure tank are installed. The return port on the upper end of the hot water tank is connected to the user through a return pipeline, and the pipeline is equipped with a valve and a return temperature solenoid valve. The water outlet pipeline and the return pipeline are installed. It is connected through the heating and return water pipeline, and the ground source heat pump is installed in the heating and return water pipeline. The T collector is connected to circulate and heat the water. 2. The novel PV/T collector and ground source heat pump heating coupling system according to claim 1 is characterized in that: one end of the transition pipeline is arranged on the pipeline between the valve on the water outlet pipeline and the variable frequency water supply pump, so The other end of the transition pipeline is arranged on the pipeline between the valve of the return pipeline and the temperature return solenoid valve. 3. The novel PV/T collector and ground source heat pump heating coupling system according to claim 1, characterized in that: the PV/T collector can heat hot water and generate electricity at the same time. The DC power is stored in the battery, and the DC power generated when the battery is fully charged is sent to the grid through the DC-AC inverter.

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