CN213146991U

CN213146991U - Solar heat collector and heat collecting system

Info

Publication number: CN213146991U
Application number: CN202021171176.0U
Authority: CN
Inventors: 陆一; 瑚先桥; 王国伟; 马力军
Original assignee: Zhejiang Jec New Energy Technology Co ltd
Current assignee: Zhejiang Jiake New Energy And Environmental Protection Technology Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-05-07
Anticipated expiration: 2030-06-22

Abstract

The utility model relates to a solar collector and thermal-arrest system, solar collector include the air-supply line, go out tuber pipe and a plurality of solar vacuum tube, go out the tuber pipe in the top of air-supply line, and the both ends of solar vacuum tube communicate the air-supply line respectively and go out the tuber pipe, and the air-supply line has the air intake, goes out the tuber pipe and has the air outlet, its characterized in that, going out the intraductal rivers pipe that is equipped with of tuber, the water inlet end and the water outlet end of rivers pipe stretch out the outside of going out the tuber pipe from the inside that goes out the tuber pipe, on the vertical height direction, the position that goes out the water inlet end is less. The utility model discloses utilize the air among the solar energy heating solar vacuum tube, hot-air carries out the heat exchange with cold water, and the cold water heating is the hot water, can utilize the surplus energy to provide hot water in the heating season in the heating, in non-heating season, can utilize solar energy to provide hot water, can all make full use of solar energy throughout the year.

Description

Solar heat collector and heat collecting system

Technical Field

The utility model relates to a solar energy technical field, especially a solar collector and solar collecting system.

Background

In order to protect the environment, the government of China in northern China actively changes coal into electricity, but the coal is burnt for heating at the high cost of electricity, so that solar heating is gradually promoted to the market. Due to the limitation of northern regional characteristics, the solar heating pipeline is rich in illumination in the daytime and is lower than zero at night, and the antifreezing of the solar heating pipeline becomes a first obstacle for the application of a heating system. In order to solve the problem of pipeline freeze prevention, a solar air heat collector appears in the market. Compared with the traditional photo-thermal hot water engineering, the solar air heat collector has the advantages of no freezing condition, high system safety coefficient, no secondary heat exchange, simple structure, low cost, high heat efficiency, high heat rate and the like, and is widely applied to heating in winter. However, in the season of no need of heating, the solar air heat collector is idle and cannot be used, and solar energy cannot be fully utilized.

Disclosure of Invention

In order to solve the problem, the utility model provides a solar collector and collecting system to promote the type of utilizing solar energy, in the season of heating and non-heating season homoenergetic make full use of solar energy.

In order to achieve the above object, the utility model provides a solar heat collector, including the air-supply line, go out tuber pipe and a plurality of solar vacuum tube, go out the tuber pipe in the top of air-supply line, the both ends of solar vacuum tube communicate the air-supply line respectively and go out the tuber pipe, and the air-supply line has the air intake, goes out the tuber pipe and has the air outlet, its characterized in that, going out the intraductal rivers pipe that is equipped with of tuber, the water inlet end and the water outlet end of rivers pipe stretch out the outside of going out the tuber pipe from the inside of going out the tuber pipe, on the vertical height direction, the position of water outlet end is less than the position of.

The utility model also provides a solar energy collection system, including solar collector, solar collector includes the air-supply line, goes out tuber pipe and a plurality of solar vacuum tube, goes out the tuber pipe in the top of air-supply line, and the both ends of solar vacuum tube communicate the air-supply line respectively and go out the tuber pipe, and the air-supply line has the air intake, goes out the tuber pipe and has the air outlet, a serial communication port, solar collector still includes the fan, the district that heats, heat storage water tank and circulating pump, and the air intake of air outlet, fan, the district that heats of going out the tuber pipe and the air-supply line connects gradually through the breather pipe, the water outlet end of rivers pipe, heat storage water tank, circulating pump and rivers pipe's water inlet end connect gradually.

The utility model provides a solar collector and collecting system utilizes the air among the solar energy heating solar vacuum tube, and hot-air carries out the heat exchange with cold water, is the hot water to cold water heating, can utilize the surplus energy to provide hot water in the heating season in the heating, in non-heating season, can utilize solar energy to provide hot water, can make full use of solar energy throughout the year.

Drawings

Fig. 1 is a schematic structural view of a solar heat collector of the present invention;

fig. 2 is a schematic structural diagram of a solar heat collection system.

The present invention will be described in further detail with reference to the accompanying drawings.

Detailed Description

Referring to fig. 1, the solar heat collector comprises a solar vacuum tube 1, an air inlet pipe 2, an air outlet pipe 3 and a water flow pipe 4. Solar vacuum tube 1 is including arranging a plurality of in a row, goes out tuber pipe 3 in the top of air-supply line 2, goes out tuber pipe 3 and air-supply line 2 and sets up respectively in solar vacuum tube 1's top one side and below one side, and the both ends of every solar vacuum tube 1 are connected respectively and are linked together into tuber pipe 2 and play tuber pipe 3. One end of the air inlet pipe 2 is an air inlet 20, and the other end is closed. One end of the air outlet pipe 3 is an air outlet 30, and the other end is closed. Air is introduced from the air inlet 20, enters the solar vacuum tube 1 along the air inlet pipe 2, the solar vacuum tube 1 receives the illumination of solar energy, the heat of sunlight is absorbed to heat the air in the solar vacuum tube 1, and the hot air enters the air outlet pipe 3 from the solar vacuum tube 1. Solar vacuum tubes are currently widely used in solar air collectors.

The inside of the air outlet pipe 3 is provided with a water flow pipe 4, the two ends of the water flow pipe 4 are respectively provided with a water inlet end 41 and a water outlet end 42, the water inlet end 41 and the water outlet end 42 extend out of the air outlet pipe 3 from the inside of the air outlet pipe, in the vertical height direction, the position of the water outlet end 42 is lower than that of the water inlet end 41, cold water enters the water flow pipe 4 from the water inlet end 41, when the cold water flows in the water flow pipe 4, the cold water exchanges heat with hot air in the air outlet pipe 3 to become hot water, and finally, the cold water flows out of the water flow pipe 4 from the water outlet end 42. The water flow pipe 4 is obliquely arranged in the height direction in the air outlet pipe 3, so that the water in the water flow pipe 4 can flow more smoothly.

Referring to fig. 2, the solar heat collecting system includes a solar heat collector, a fan 5, a heating area 6, a heat storage water tank 7 and a circulation pump 8, and an air outlet 30 of the air outlet pipe 3, the fan 5, the heating area 6 and an air inlet 20 of the air inlet pipe 2 are sequentially connected through an air duct. The water outlet end 42 of the water flow pipe 4, the heat storage water tank 7, the circulating pump 8 and the water inlet end 41 of the water flow pipe 4 are connected in sequence through a water pipeline.

In the heating season, the fan 5 is started, cold air in the heating area 6 enters the air inlet pipe 2 from the air inlet 20, then enters the solar vacuum pipe 1 from the air inlet pipe 2, and becomes hot air after absorbing solar heat in the solar vacuum pipe 1, the hot air enters the air outlet pipe 3 and then comes out from the air outlet 30 of the air outlet pipe 3, and enters the heating area 6 after passing through the fan 5, so that the air in the heating area 6 is heated. In the heating season, if the temperature in the heating district 6 is than higher, it has surplus to show the heat, can start circulating pump 8, make the cold water among the heat storage water tank 7 get into rivers pipe 4, cold water produces the heat exchange with the hot-air that goes out in the tuber pipe 3 in rivers pipe 4, has absorbed the partial heat among the hot-air, becomes hot water, and the hot-water flows back to and supplies people to use in the heat storage water tank 7, and the hot-air that goes out in the tuber pipe 3 still has certain heat and can heat, the utility model discloses utilize unnecessary heat when not influencing the heating, make full use of solar energy. In non-heating seasons, the heating area 6 does not need to be heated, the fan 5 stops, the solar vacuum tube 1 absorbs air in the solar heating tube, hot air automatically flows to the air outlet tube 3, the circulating pump 8 is started, cold water in the heat storage water tank 7 enters the water flow tube 4, the cold water and the hot air in the air outlet tube 3 generate heat exchange in the water flow tube 4, heat in the hot air is absorbed and changed into hot water, and the hot water flows back to the heat storage water tank 7 for people to use. The hot air transfers heat to the water in the water flow pipe 4, the temperature of the water becomes low, and the water naturally sinks back to the solar vacuum pipe 1 and the air inlet pipe 2.

The water pipe connected with the water inlet end 41 is provided with a control valve 91 at a position close to the water inlet end 41, the water pipe connected with the water outlet end 42 is provided with a water return control valve 92 at a position close to the water outlet end 42, and the control valve 91 and the water return control valve 92 are used for controlling the water inlet and the water outlet of the water flow pipe 4, so that the water in the water flow pipe 4 is emptied under the conditions of special weather and temperature below zero, and the water pipeline in the solar heat collector is prevented from freezing. The water flow pipe 4 is obliquely arranged in the height direction in the air outlet pipe 3, so that the emptying and the freezing prevention of the water flow pipe 4 are more facilitated.

The utility model discloses improve on original solar energy air heat collector basis, optimize the upgrading to original warm system of wind system, provided the utility model discloses a solar collector and collecting system, the heat collector utilizes the air among the solar energy heating solar vacuum tube, and hot-air carries out the heat exchange with cold water, is the hot water to cold water heating, can utilize the surplus energy to provide hot water in the heating season in the heating, in non-heating season, can utilize solar energy to provide hot water, can all make full use of solar energy throughout the year.

Claims

1. The utility model provides a solar heat collector, includes the air-supply line, goes out tuber pipe and a plurality of solar vacuum tube, goes out the tuber pipe in the top of air-supply line, and the both ends of solar vacuum tube communicate the air-supply line respectively and go out the tuber pipe, and the air-supply line has the air intake, and it has the air outlet to go out the tuber pipe, its characterized in that, be equipped with the rivers pipe in the play tuber pipe, the outside that goes out the tuber pipe is stretched out from the inside of air-out tuber pipe to the water inlet end and the water outlet end of rivers pipe, on the vertical height direction, the position that goes out the water inlet.

2. A solar collector according to claim 1, wherein the water flow pipe is arranged inclined in the height direction in the air outlet pipe.

3. A solar heat collecting system comprises a solar heat collector, wherein the solar heat collector comprises an air inlet pipe, an air outlet pipe and a plurality of solar vacuum pipes, the air outlet pipe is arranged above the air inlet pipe, two ends of each solar vacuum pipe are respectively communicated with the air inlet pipe and the air outlet pipe, the air inlet pipe is provided with an air inlet, the air outlet pipe is provided with an air outlet, it is characterized in that a water flow pipe is arranged in the air outlet pipe, the water inlet end and the water outlet end of the water flow pipe extend out of the air outlet pipe from the inside of the air outlet pipe, in the vertical height direction, the position of the water outlet end is lower than that of the water inlet end, the solar heat collection system also comprises a fan, a heating area, a heat storage water tank and a circulating pump, an air outlet of the air outlet pipe, the fan, the heating area and an air inlet of the air inlet pipe are sequentially connected through an air duct, the water outlet end of the water flow pipe, the heat storage water tank, the circulating pump and the water inlet end of the water flow pipe are sequentially connected through a water pipeline.

4. The solar energy collection system according to claim 3, wherein the water flow pipe is arranged obliquely in a height direction in the air outlet pipe.

5. The solar energy collection system of claim 4, wherein the water conduit connecting the water inlet end is provided with a control valve near the water inlet end, and the water conduit connecting the water outlet end is provided with a return water control valve near the water outlet end.