CN211290582U - Photovoltaic-driven solar medium-temperature air heat collector heating and water heating system - Google Patents

Abstract

The utility model discloses a photovoltaic-driven solar medium-temperature air heat collector heating and hot water system. The solar air heat collector heats air into hot air and circulates with indoor air to increase the indoor air temperature to achieve heating effect. The heated air passes through the energy storage heat exchanger installed indoors, and the heat energy can be stored in the energy storage heat exchanger for heating at night. The indoor water storage tank is heated to provide domestic hot water. The system provides electrical energy through solar photovoltaic panels to provide power for the circulating fan. The thermal energy and circulating power of the system are derived from solar energy. The heat transfer medium is air, and there will be no freezing and freezing at night at low temperature, which greatly reduces the accident rate and system maintenance.

Description

A photovoltaic-driven solar medium temperature air collector heating and hot water system

technical field

The utility model relates to the technical field of solar heating equipment, in particular to a photovoltaic-driven solar medium-temperature air collector heating and hot water system.

Background technique

As we all know, in the current field of solar heating technology, solar heat exchange is mostly realized through liquid medium, and heat is collected through solar heating tubes, and after the heat is collected, it can be stored or used in life. The air-conditioning structure is used to realize the indoor temperature through the refrigeration equipment. This method consumes a lot of energy during the cooling or heating process and is not environmentally friendly.

In recent years, solar heating devices that directly heat the air have appeared on the market. However, these current heating devices have technical drawbacks, which are reflected in: 1. It can only achieve heating during the day, and cannot be used in the absence of light at night. achieve heating. 2. There is no thermal energy storage function and the simultaneous supply of hot water and heating cannot be achieved.

In addition, in the current market, solar heating and heating systems rely on commercial power to operate, and are equipped with control systems. The system configuration is complex and the failure rate is high. However, in some areas, the commercial power supply is insufficient, the maintenance cost is too high, and there is no after-sales service. Once there is a problem with the system, there will be a phenomenon of deactivation, resulting in waste.

In view of the shortcomings of the existing technology, as a technician in the industry, how to design a photovoltaic-driven medium-temperature air collector heating and hot water system that does not rely on commercial power to operate through technical improvement, which can greatly improve the heat collection efficiency. At the same time, it can realize indoor heating and hot water supply, and also realize energy storage during the day and use at night, which is imperative.

SUMMARY OF THE INVENTION

In view of the above-mentioned shortcomings of the prior art, the purpose of this utility model is to provide a photovoltaic-driven solar energy medium-temperature air collector heating and hot water system, which can realize the operation of the entire system through solar energy, and the thermal energy and the circulating driving electric energy are synchronized. No additional controls are required.

The photovoltaic-driven solar medium-temperature air collector heating and hot water system of the present invention includes a support frame arranged at a higher lighting position, and the support frame facing the sun frame is provided with multiple groups of solar air collectors and solar photovoltaics. plate;

The air inlet end of the solar air collector is connected to the room through the indoor air outlet pipe, the air outlet end of the solar air collector is connected through the indoor air inlet pipe, and the solar photovoltaic panel provides electrical energy for driving the circulating fan, and the circulating fan Form a closed cycle between the solar air collector and the room air;

A heat exchanger is arranged on the hot air circulation pipeline, the heat exchanger is connected to the hot water storage tank, and the heat energy generated by the hot air flowing through the heat exchanger is stored in the thermal insulation water tank for standby through thermosiphon circulation.

The energy storage heat exchanger connected in series at the end of the hot air outlet in the room is a multi-void solid energy storage heat exchanger, and the stored heat energy is used for heating at night.

The utility model has the following beneficial effects: through the above design, the utility model heats the air into hot air through the solar air heat collector and circulates the indoor air to increase the indoor air temperature to achieve the heating effect. The heated air passes through the energy storage heat exchanger installed indoors, and the heat energy can be stored in the energy storage heat exchanger for heating at night; a heat exchanger is installed in the circulation pipeline of the device, and during the circulation of the hot air, the The indoor water storage tank is heated to provide domestic hot water. The system provides electrical energy through solar photovoltaic panels to provide power for the circulating fan. The thermal energy and circulating power of the system are derived from solar energy. The heat transfer medium is air, and there will be no freezing and freezing at night at low temperature, which greatly reduces the accident rate and system maintenance. It has strong reliability and practicability, and is conducive to large-scale civil promotion. Air collector heating and hot water systems.

Description of drawings

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

1 is a schematic diagram of the three-dimensional structure of the device;

Fig. 2 is a schematic diagram of the front view structure of the device;

Fig. 3 is the schematic side view structure diagram of the device;

Fig. 4 is the enlarged schematic diagram of the A-direction structure in Fig. 2;

Figure 5 is a schematic diagram of the use state of the device;

In the figure, 1, support frame, 2, solar photovoltaic panel, 3, solar air collector, 31, indoor air outlet duct, 32, indoor air inlet duct, 4, circulating fan, 5, fan, 6, energy storage exchange Heater, 61, heat storage block, 7, air outlet, 8, hot water storage tank, 81, heat exchange guide tube, 82, spiral heat exchanger, 9, hot air circulation pipeline, 10, house, 11, roof .

Detailed ways

The present invention is described in detail below, and those who are familiar with the technology can easily understand other advantages and functions of the present invention from the contents disclosed in this specification.

A photovoltaic-driven solar intermediate temperature air collector heating and hot water system, as shown in Figure 1, includes a support frame 1 arranged at the position of the roof 11, the support frame 1 facing the sun frame is provided with multiple sets of solar air heat collectors 3 and solar photovoltaic panels 2, the use of the above-mentioned solar air collectors 3 and solar photovoltaic panels 4 is a relatively common technology in the solar heating and power generation industries, and the specific internal connection structure thereof will not be repeated here;

The inlet end of the solar air heat collector 3 is connected to the indoor air outlet pipe 31, and the indoor air inlet pipe 32 at the outlet end is connected to one body through the circulating fan 4 and the energy storage heat exchanger 6. During the connection process, the To achieve indoor air heating, a hot air circulation pipeline 9 is arranged indoors, and the indoor low-temperature air is continuously pumped into the solar air collector through the circulating fan 4 for heating, and then enters the storage through the indoor air inlet pipe 32 and the hot air circulation pipeline 9. energy heat exchanger 6, and then the hot air is discharged into the room through the air outlet 7, so as to form a closed cycle between the solar air heat collector and the room air;

On the energy storage heat exchanger 6, a fan 5 is connected at the bottom to realize indoor air supply. Through the above structure, when the utility model realizes indoor hot air supply, the hot air passes through the energy storage heat exchanger 6 and then passes through the air outlet. 7 Entering the room, the energy storage heat exchanger 6 is a multi-void solid energy storage heat exchanger, and its interior is filled with pebbles or other heat storage devices as the heat storage block 61, and the heat storage block 61 can realize thermal energy storage. Continued use of the heat source.

A hot water storage tank 8 is connected to the shunt air duct 10 for connecting the energy storage heat exchanger 6. The hot water storage tank 8 is provided with two heat exchange guide pipes 81 connected to the inside of the shunt air duct. A spiral heat exchanger 82 is arranged inside the shunt air duct, and the temperature of the liquid in the hot water storage tank 8 is increased through the spiral heat exchanger 82 inside the shunt air duct, so as to realize the hot water function of the device.

Further, the solar photovoltaic panel 2 is connected with the circulating fan 4 through wires to realize the supply of electric energy to the electric drive components of the solar heat collecting system. This connection is a common connection method for electricians, and will not be repeated here.

Summary: Through the above design, the present utility model sets the solar air heat collector 3 and the solar photovoltaic panel 2 on the top of the house 11, and realizes air heating through the solar air heat collector 3, and the indoor gas is heated and then recirculated and introduced into the room. , while realizing indoor heating, the heated air is passed through the energy storage heat exchanger 6 arranged indoors, and the thermal energy can be stored in the energy storage heat exchanger 6 for heating at night; moreover, the device is installed indoors There is a hot water storage tank 8, and when the hot air passes through the shunt pipe 9, the water in the hot water storage tank 8 is heated by heat exchange through the spiral heat exchanger 82, so as to realize the supply of hot water while providing a heating heat source to the room. The system provides electrical energy through solar photovoltaic panels to provide power for the circulating fan. The thermal circulating power of the system is derived from solar energy. The thermal energy and the circulating driving electrical energy are synchronized without additional control devices. The heat transfer medium is air, which will not appear at night at low temperatures. Freezing, freezing and blocking, greatly reducing the accident rate, reducing system maintenance, and strong reliability and practicability, it is an ideal photovoltaic-driven solar medium-temperature air collector heating and hot water system.

Claims (2)

1. A photovoltaic-driven solar energy medium-temperature air collector heating and hot water system, comprising a support frame arranged at a higher lighting position, and the support frame facing the sun frame is provided with multiple groups of solar air collectors and solar photovoltaic panels; It is characterized in that: the air inlet and outlet of the solar air heat collector are connected to the room, the solar photovoltaic panel provides electric energy for driving the circulating fan, and the circulating fan realizes the closed circulation of the solar air heat collector and the room air; A heat exchanger is arranged inside the hot air circulation pipeline, and the heat exchanger is connected to the hot water storage tank. 2. A photovoltaic-driven solar energy medium-temperature air collector heating and hot water system as claimed in claim 1, characterized in that: the energy storage heat exchanger connected in series at the end of the hot air outlet is a multi-gap solid energy storage exchange. Heater, whose stored thermal energy is used for night heating.

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