CN201652869U - A hot air solar heat collector - Google Patents

Abstract

The utility model relates to a hot-air solar heat collector. Tube cores are mounted inside heat collection tubes, the tube cores fill inner cavities of the heat collection tubes to form gap type heating air passages, air is heated inside gaps of the heat collection tubes, and the air is heated in multiple stage by a heat collection tube (A1), a heat collection tube (A2) and a heat collection tube (An) under effect of an air engine. The hot-air solar heat collector enhances air circulatory heating effect, utilizes the air engine to circulate a heat transferring carrier, namely the air, and circularly transfers heat inside the heat collection tubes to a water storage type electric water heater to supply heat, thereby heating a warming device.

Description

A hot air solar heat collector

technical field

The utility model relates to a hot air type solar heat collecting device, which belongs to the technical field of solar light and heat utilization. the

Background technique

Existing solar heat collectors have U-shaped tubes, straight pipes, heat pipes and flat plates, etc., usually use liquid as a heat transfer medium. The purpose of this utility model is to provide a hot air type solar heat collector. the

Contents of the invention

The utility model hot air solar heat collecting device has a heat collecting pipe (A), a tube core (aa), an air machine (B), a heat exchanger (C), a heat-using device (D), a reversing valve (E) and a connection tube; the heat collecting tube (A) is a tubular body made of high-temperature-resistant heat-conducting material, the outer wall of the heat-collecting tube (A) is coated with a heat-absorbing film, and the heat-collecting tube (A) has an insulating cover made of a high-temperature-resistant transparent material; the tube core ( aa) is a tubular body made of high temperature resistant heat insulating material with both ends sealed, the length of the tube core (aa) is less than the inner length of the heat collecting tube (A), and the cross-sectional area of the tube core (aa) is about smaller than the heat collecting tube (A) The internal cross-sectional area of the tube core (aa) is installed and fixed in the heat collecting tube (A). The indentation distances at both ends of the heat collecting tube (A) are equal or unequal, and a gap for air passage is formed between the outer wall of the tube core (aa) and the inner wall of the heat collecting tube (A), and the heat collecting tube (A) is sealed with a pipe seal with a connection port. ) at both ends, connect N heat collecting tubes (A) equipped with tube cores (aa) with connecting pipes to form a heat collecting module. the

The heat collection module is installed and fixed on the sun-facing roof (ground) surface, outer wall, balcony and other convenient installation positions with brackets, a timing device is installed on the air machine (B), and a heat-using device ( D), the heat-using device (D) can be heat-using equipment such as water storage electric water heaters, heating devices, etc., and the heat-using device (D), heat exchanger (C), and air machine (B) can be installed on the upper part of the heat collection module or The lower position, the heating device (D), heat exchanger (C), and air machine (B) can be installed outdoors or indoors, and connect the heat collecting pipe (A), air machine (B), and heat exchanger (C) with connecting pipes 1. The reversing valve (E) forms a hot-air solar heat collecting device; the heat transfer carrier air is circulated by an air machine, and the heat in the heat collecting pipe is circulated to the electric water heater for heating; heating is provided for the heating device. the

Beneficial effects of the utility model hot air solar heat collector:

1. Air is used as the heat conduction medium, the heat capacity of the air is small and easy to heat, the air is light in quality and the transportation cost is low;

2. The heat collecting tube can be made of light and thin materials, which consumes less material and reduces the load on the installation point;

3. The air is easy to heat in the narrow gaps in the heat collecting tubes, and the air passes through the heat collecting tubes to heat up in multiple stages: 

4. The heat collecting tube can be installed on sunny roofs, exterior walls, balconies and other convenient installation locations;

5. The heating device and air machine can be installed indoors, protected from wind and sun, and easy to use and maintain;

6. The heat-using device can be water-storage electric water heater, heating device and other heat-using equipment, one machine with multiple functions;

7. It is convenient for users of water storage electric water heaters to upgrade to users of hot air solar collectors;

8. There is no water in the heat collecting pipe and gas pipe, and the storage water heater is installed indoors, so there is no problem of freezing and blocking;

9. Multiple users can share the uplink and downlink gas pipelines and heat collector tubes, and there is no problem of water and electricity cost distribution among users. Combined with the integrated construction of the new energy house, the uplink and downlink gas pipelines can be installed indoors or hidden in the wall without affecting the appearance of the building . the

Description of drawings

Accompanying drawing is the structural representation of the utility model hot-air type solar heat collecting device

A, heat collecting tube; aa, pipe core; B, air machine; C, heat exchanger; D, heat device; E, reversing valve;

Detailed ways

The tube core (aa) is installed and fixed in the heat collecting tube (A). When installing, the tube core (aa) and the heat collecting tube (A) are coaxial or not, and the two ends of the tube core (aa) are in the heat collecting tube (A) The indentation distances at both ends are equal or unequal, and the two ends of the heat collecting tube (A) are sealed with a tube with a connection port, and the heat collecting tube (A1), heat collecting tube (A2) and heat collecting tube (A3) are connected with a connecting tube to form a heat collecting tube module; a timing device is installed on the air machine (B); a heating device (D1) is installed on the heat exchanger (C1), and a storage type electric water heater (D2) is installed on the heat exchanger (C2); the heat collecting module Use a bracket to install and fix it on the sunny roof (ground) surface, outer wall, balcony, etc. (this embodiment is a horizontal type of heat collecting tube), connect the heat collecting tube (A3) with a connecting pipe, and the other end of the connecting pipe extends into the Connect the air machine (B) indoors, connect the air machine (B) and the heat exchanger (C1) with the connecting pipe, connect the heat exchanger (C1) and the reversing valve (E) with the connecting pipe, and connect the reversing valve with the connecting pipe (E), heat exchanger (C2), connect the heat collector pipe (A1) with a connecting pipe, and the other end of the connecting pipe extends into the room to connect the heat exchanger (C2) and the reversing valve (E) respectively to form a hot air solar heat collector device. the

The method of heating (warming) the heating device with the solar heat collector:

When the weather is fine, the solar heat heats the gas in the heat collector tubes (A1-A3), injects clean water into the water tank of the storage type electric water heater (D2), and conducts the heat exchanger (C1) through the reversing valve (E) , The passage of the heat exchanger (C2), set the switching time of the air machine (B) with a timing device: set the opening time of the air machine (B) X (9:00), set the closing time of the air machine (B) Y ( 17:00), turn off the heating device (D1); at 9 o'clock in the morning, the air machine (B) is turned on, and the hot air passes through the connecting pipe from the heat collecting pipe (A3), the air machine (B), the connecting pipe, and the heat exchanger ( C1), the reversing valve (E), and the connecting pipe enter the heat exchanger (C2), and the hot air in the heat exchanger (C2) exchanges heat with the stored water in the water tank of the storage type electric water heater (D2) and then connects The tube enters the heat collecting tube (A1) to heat up, the hot air in the heat collecting tube (A1) enters the heat collecting tube (A2) through the connecting tube to heat up, and the hot air in the heat collecting tube (A2) enters the heat collecting tube (A3) through the connecting tube When the temperature rises, the hot air enters the air machine (B) from the heat collecting pipe (A3) through the connecting pipe, and the air circulates under the continuous work of the air machine (B), and the heating device (D1) is turned on, and the heat in the heat collecting module is conducted by the air Heating device (D1), water storage type electric water heater (D2); turn on the heating device (D1), use the reversing valve to conduct the passage with the heat exchanger (C1) and the heat collecting pipe (A1), and the heat collecting module Heat is conducted to heating device (D1) by air; At 17 o'clock in the afternoon, set air machine (B) closing time to, air machine (B) stops running, stops heating, warms. (The reverse operation mode of the fan is established, the timing device can be canceled or not used, and manual operation is adopted) 

The method of heating the heating device with a storage type electric water heater:

At sunset or without sunshine, the water tank of the storage type electric water heater (D2) has hot water heated by solar energy or electric heating, and the passage of the heat exchanger (C1) and heat exchanger (C2) is connected through the reversing valve (E). Turn on the air machine (B), turn on the heating device (D1), and heat the heating device (D1) with the heat stored in the water storage tank of the water storage type electric water heater (D2). the

The hot air type solar heat collecting device of the utility model can install water storage water heaters on N heat exchangers to form a solar water heating system. the

The hot air type solar heat collecting device of the utility model can install heaters on N heat exchangers to form a solar heating system. the

The hot air type solar heat collecting device of the utility model can install a heater on N heat exchangers, and install water storage water heaters on N heat exchangers to form a solar heating and hot water system. the

The hot air type solar heat collecting device of the utility model is convenient for the user of the storage type electric water heater to upgrade to the user of the hot air type solar heat collecting device. the

The embodiments listed in this description are intended to illustrate a certain combination, operation mode and some beneficial effects of the utility model, and do not constitute any limitation to the rights of the claims of the utility model. the

Claims (5)

1. A hot air solar thermal collector, comprising a thermal collector tube (A), tube core (aa), air machine (B), heat exchanger (C), heat utilization device (D), and reversing valve (E) And connecting pipe, it is characterized in that: install the tube core (aa) in the heat collecting pipe (A), install the heating device (D) on the heat exchanger (C), there is a timing device on the air machine (B), use the connection The tubes are connected to the heat collecting pipe (A), the air machine (B), the heat exchanger (C), and the reversing valve (E) to form a hot air solar heat collecting device. 2. A kind of hot air solar heat collecting device according to claim 1, characterized in that: the heat collecting tube (A) is a tubular body made of high temperature resistant heat conducting material, and the outer wall of the heat collecting tube (A) is coated with a heat absorbing film , The heat collecting tube (A) has a thermal insulation cover made of a high temperature resistant transparent material. 3. A kind of hot wind type solar heat collecting device according to claim 1, characterized in that: the tube core (aa) is a tubular body with both ends sealed made of high temperature resistant heat insulating material, and the length of the tube core (aa) is less than The inner length of the heat collecting tube (A) and the cross-sectional area of the tube core (aa) are smaller than the inner cross-sectional area of the heat collecting tube (A). 4. A kind of hot wind type solar heat collecting device according to claim 1, characterized in that: when the tube core (aa) is installed and fixed in the heat collecting tube (A) and installed, the tube core (aa) and the heat collecting tube (A) Coaxial or non-axial, the indentation distances of the two ends of the tube core (aa) in the heat collecting tube (A) are equal or unequal. 5. A hot-air solar heat collection device according to claim 1, characterized in that: connect N heat-collecting tubes (A) equipped with tube cores (aa) with connecting pipes to form a hot-air solar heat-collecting module. the

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