CN205425131U - Solar heating supply and genuine wind combined system - Google Patents

Abstract

The utility model discloses a composite system of solar heating and tunnel wind, which aims to provide an energy-saving and environment-friendly composite system of solar heating and tunnel wind which can not only provide heating for the room, but also provide cooling for the room without using air conditioners. system. It includes a solar heat collection device, a ventilation duct system and a buried air duct pre-buried in the ground. One end of the buried air duct communicates with the outside air. The solar heat collection device includes a solar heat collection The air duct, the upper end of the solar heat collecting air duct is provided with an upwardly extending exhaust duct, the lower end of the solar heat collecting air duct is provided with a downwardly extending air inlet duct, and the ventilation duct system includes a connection between the solar heat collecting air duct and the buried air duct. The main ventilation pipe of the air duct, the first switch valve and the second switch valve arranged on the main ventilation pipe, the first interface arranged on the main ventilation pipe and the first air supply pipeline connected with the first interface.

Description

A composite system of solar heating and tunnel wind

technical field

The utility model relates to the field of indoor heating/cooling, in particular to a composite system of solar heating and tunnel wind.

Background technique

Solar energy is a clean and environmentally friendly renewable energy. The current solar energy utilization has been widely used in industry and daily life. Solar heating is a common utilization method in daily life at present. It mainly obtains the heat converted from solar radiation energy through the solar collector, and sends it to the room for heating through the heat dissipation system.

At present, the application of solar energy in the field of daily life is mainly focused on heating. For indoor cooling in summer, air conditioning is mainly used for cooling. , which not only increases people's economic burden, but also is not conducive to energy saving and environmental protection.

Utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art and provide an energy-saving and environment-friendly composite system of solar heating and tunnel wind that can not only provide indoor heating but also provide indoor cooling without air conditioning.

The technical scheme of the utility model is:

A composite system of solar heating and tunnel wind, comprising a solar heat collecting device, a ventilation duct system and a buried air pipe pre-buried underground, one end of the buried air pipe communicates with the outside air, and the solar heat collecting The device includes a solar heat collecting air duct extending obliquely from bottom to top, the upper end of the solar heat collecting air duct is provided with an upwardly extending exhaust duct, and the exhaust duct is provided with an exhaust duct switch valve, and the solar heat collecting air duct The lower end of the lower end is provided with an air inlet pipe extending downward, and an air inlet pipe switch valve is provided on the air inlet pipe; The first on-off valve and the second on-off valve on the ventilation pipe, the first interface between the first on-off valve and the second on-off valve, and the first air supply pipeline connected to the first interface are arranged on the main air pipe , an exhaust fan is provided between the first air supply pipe and the first interface.

The composite system of solar heating and tunnel wind in this scheme can not only heat the room, but also provide cooling for the room without the need for air conditioning, and has the characteristics of energy saving and environmental protection.

Preferably, the ventilation pipeline system further includes a second interface arranged on the main ventilation pipe and located between the first on-off valve and the second on-off valve, and a second air supply pipeline communicated with the second interface. The gas pipeline is provided with a gas supply pipeline switch valve.

Preferably, a check valve is provided on the first air supply pipeline.

Preferably, the solar thermal collector is located on the roof.

Preferably, a conical rainproof cap is provided above the upper port of the exhaust duct.

Preferably, the port of the buried air duct communicating with the outside air is provided with an insect-proof net.

The beneficial effect of the utility model is that it can not only provide heating for the room, but also provide cooling for the room without using air conditioners for cooling, and has the characteristics of energy saving and environmental protection.

Description of drawings

Fig. 1 is a structural schematic diagram of a composite system of solar heating and tunnel wind in Embodiment 1 of the present utility model.

Fig. 2 is another structural schematic diagram of the composite system of solar heating and tunnel wind in Embodiment 1 of the present utility model.

In the figure: solar heat collection device 1, solar heat collection air duct 11, exhaust duct 12, exhaust duct switch valve 13, air intake duct 14, air intake duct switch valve 15, conical rainproof cap 2, ventilation duct system 3. Main ventilation pipe 31, first on-off valve 32, second on-off valve 33, first air supply pipeline 34, exhaust fan 35, check valve 36, second air supply pipeline 37, air supply pipeline on-off valve 38, buried Ground air duct 4.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:

Embodiment 1: As shown in Fig. 1 and Fig. 2, a composite system of solar heating and tunnel wind includes a solar thermal collector 1, a ventilation duct system 3 and a buried air duct 4 pre-buried underground. One end of the buried air duct communicates with the outside air, and the port of the buried air duct communicated with the outside air is provided with an insect-proof net.

Solar thermal installations are located on the roof. The solar heat collection device includes a solar heat collection air duct 11 extending obliquely from bottom to top. The upper end of the solar heat collecting air duct is provided with an upwardly extending exhaust duct 12, and an exhaust duct switch valve 13 is provided on the exhaust duct. The upper port of the exhaust duct communicates with the outside air. The top of the upper port of the exhaust duct is provided with a conical rainproof cap 2 . The lower end of the solar heat collecting air duct is provided with an air inlet pipe 14 extending downward, and an air inlet pipe switch valve 15 is provided on the air inlet pipe.

The ventilation duct system 3 includes the main ventilation pipe 31 connecting the solar heat collecting air pipe and the buried air pipe, the first on-off valve 32 and the second on-off valve 33 arranged on the main air pipe, arranged on the main air pipe and located at the second The first interface and the second interface between the first switch valve and the second switch valve, the first air supply pipeline 34 communicated with the first interface, and the second air supply pipeline 37 communicated with the second interface. In this embodiment, the second switching valve is close to the buried air pipe. An exhaust fan 35 is provided between the first air supply pipe and the first interface, and a check valve 36 is provided on the first air supply pipe. The second air supply pipeline is provided with an air supply pipeline switch valve 38 .

The specific use of the composite system of solar heating and tunnel wind in the present embodiment is as follows:

The lower port of the air inlet duct communicates with the room. In this embodiment, the lower port of the air inlet duct is located at the upper part of the room.

The air supply ports of the first air supply pipeline and the second air supply pipeline communicate with the indoor. In this embodiment, the air supply ports of the first air supply pipeline and the second air supply pipeline are located at the lower part of the chamber.

The specific working process of the composite system of solar heating and tunnel wind in this embodiment is divided into the following working conditions:

1. Cooling and ventilation conditions in summer

In the case of good sunshine conditions in summer, it can be powered by solar thermal pressure for cooling. The specific control process is as follows:

Open the on-off valve of the exhaust pipe and the on-off valve of the air inlet pipe to connect the solar heat collecting air pipe to the indoor and outside air; open the second on-off valve and the on-off valve of the air supply pipe to connect the buried air pipe to the room; One switch valve is closed and the exhaust fan is turned off.

In the process of the solar heat collecting device continuously obtaining heat, the hot air in the solar heat collecting air pipe rises and is discharged through the exhaust pipe, forming a negative pressure in the solar heat collecting air pipe, so that the indoor air flow continuously enters the solar heat collecting air through the air inlet pipe The cold air in the buried air duct (the underground temperature in summer is much lower than the surface temperature) enters the room to cool the room.

In the case of poor sunlight or at night in summer, cooling can be powered by fans. The specific control process is as follows:

Open the second switching valve; close the first switching valve and the gas supply pipeline switching valve;

Then, the exhaust fan is turned on, and the cold air in the buried air duct (underground temperature in summer is much lower than the surface temperature) enters the room through the exhaust fan to cool the room.

2. Winter heating and ventilation conditions

In the case of good sunshine conditions in winter, the specific control process is as follows:

Close the on-off valve of the exhaust pipe, the second on-off valve and the on-off valve of the air supply pipe; open the on-off valve of the air inlet pipe and the first on-off valve;

Then, the exhaust fan is turned on, and the hot air flow in the solar heat collecting air pipe enters the room through the main ventilation pipe and the first air supply pipe through the exhaust fan to heat the room.

In the case of poor sunlight conditions or at night in winter, the specific control process is as follows:

Close the on-off valve of the exhaust pipe, the on-off valve of the air inlet pipe, the first on-off valve and the on-off valve of the air supply pipe; open the second on-off valve;

Then, the exhaust fan is turned on, and the warm air in the buried air duct (the underground temperature is much higher than the surface temperature in winter) enters the room through the exhaust fan to heat the room.

Claims (6)

1. A composite system for solar heating and tunnel wind, characterized in that it includes a solar heat collector, a ventilation duct system and a buried air duct pre-buried in the ground, and one end of the buried air duct communicates with the outside air , the solar heat collection device includes a solar heat collection air duct extending obliquely from bottom to top, the upper end of the solar heat collection air duct is provided with an upwardly extending exhaust duct, and an exhaust duct switch is provided on the exhaust duct Valve, the lower end of the solar heat collecting air duct is provided with an air inlet pipe extending downward, and the air inlet pipe is provided with an air inlet pipe switch valve; the ventilation pipe system includes a main Ventilation pipe, the first on-off valve and the second on-off valve arranged on the main air pipe, the first interface arranged on the main air pipe and located between the first on-off valve and the second on-off valve and communicated with the first interface The first air supply pipe, an exhaust fan is arranged between the first air supply pipe and the first interface. 2. The composite system of solar heating and tunnel wind according to claim 1, characterized in that, the ventilation pipeline system further comprises a second valve arranged on the main ventilation pipe and located between the first switch valve and the second switch valve. Two interfaces and a second air supply pipeline connected with the second interface, the second air supply pipeline is provided with an air supply pipeline switch valve. 3. The composite system of solar heating and tunnel wind according to claim 1, wherein a check valve is provided on the first air supply pipeline. 4. The composite system of solar heating and tunnel wind according to claim 1, 2 or 3, characterized in that, the solar heat collecting device is located on the roof. 5. The composite system of solar heating and tunnel wind according to claim 1, 2 or 3, characterized in that a conical rainproof cap is provided above the upper port of the exhaust duct. 6. The composite system of solar heating and tunnel wind according to claim 1, 2 or 3, characterized in that the port of the buried air duct communicating with the outside air is provided with an insect-proof net.