CN201166468Y - Plate multifunctional solar collector - Google Patents

Abstract

The utility model relates to a plate-type multifunctional solar heat collector, which comprises a heat collecting plate (2) and a heat collecting plate back plate (3), and is arranged between the heat collecting plate (2) and the heat collecting plate back plate (3). There are medium connecting pipes (5), heat collector back plate (3), heat collecting plate (2) and medium connecting pipes (5) are all arranged in the airtight space formed by the heat preservation bottom plate (4) and the cover body (6) Inside. The heat collector of the utility model is a solar heat collector that can heat various media, has high strength, simple installation, fast circulation speed and controllable temperature, and is suitable for solar heating, solar drying and other places that need to be heated by solar energy. To achieve the purpose of using renewable energy, reducing environmental pollution, reducing costs, improving the living environment, and improving people's quality of life.

Description

Plate multifunctional solar collector

technical field

The utility model relates to a solar heat collector, in particular to a plate-type multifunctional solar heat collector, which belongs to the technical field of solar energy utilization.

Background technique

With the rapid development of the economy, energy shortage has become a bottleneck restricting the economic development of various countries. In order to save energy, reduce energy consumption, and ensure the healthy and stable development of my country's economy, the state has formulated and compiled a series of energy-saving policies. Among these policies, In particular, the country has made the use of new and renewable energy a priority. As a clean energy source, solar energy is favored by countries all over the world as an inexhaustible energy source. With the continuous development of solar energy technology, solar collectors have appeared, but the current solar energy As far as the collector is concerned, there are some disadvantages: such as single function, can only be used to heat water or only heat air and the temperature rise is small, and at the same time the structure is complex, the cost is high, the strength is low, the durability is poor, the circulation of the heat medium The speed is too slow and the system temperature cannot be adjusted according to the needs, etc.

Utility model content

The purpose of the utility model is to provide a plate-type multifunctional solar heat collector with high heat collection rate, low heat loss, low cost and strong durability.

In order to achieve the above purpose, the technical solution of the utility model adopts a plate-type multifunctional solar collector, including a heat collecting plate and a back plate of the heat collecting plate, and a medium connection is arranged between the heat collecting plate and the back plate of the heat collecting plate The pipes, the back plate of the heat collecting plate, the heat collecting plate and the medium connection pipes are all arranged in the airtight space formed by the thermal insulation bottom plate and the cover body.

The heat collecting plate is closely attached to the back plate of the heat collecting plate, the section of the heat collecting plate is corrugated, and the medium connecting pipe is arranged in the heating chamber formed by the heat collecting plate and the back plate of the heat collecting plate.

A heat absorbing film is coated on the upper surface of the heat collecting plate.

The heat-absorbing film is a multi-layer gradient selective absorbing film.

The heat collecting plate is an anti-corrosion and heat-conducting metal plate.

The inlet of the medium connection pipeline is connected with the medium inflow pipeline, and the outlet is connected with the delivery pipeline through a pump body.

The upper and lower ends of the heat collecting plate are airtight ends, and there are connecting pipes for circulating medium on the airtight planes at the upper and lower ends, so that the heating chambers are connected.

The cover is a glass cover.

In the utility model, the cross section of the heat collecting plate is corrugated, and the medium connecting pipe is arranged in the heating chamber formed by the heat collecting plate and the back plate of the heat collecting plate, and the medium (such as air or water) flows into the heat collecting through the inflow pipe of the medium. Heating is carried out in the first heating chamber of the plate, and then enters the second heating chamber of the heat collecting plate through the medium connecting pipe for heating, so repeated baffle heating, the heated medium is sucked by the pump body through the outlet of the medium connecting pipe , Discharged into the conveying pipeline, so as to be transported to the place where heat medium is needed.

In the utility model, the whole heat collecting plate is placed in the airtight space between the glass cover body and the heat preservation bottom plate, and the glass cover body can ensure that the heat loss of the system is reduced to the greatest extent, and is less affected by the external cold air, and the heat collecting plate The temperature environment is relatively stable. The heating cavity of the entire heat collecting plate is a closed cavity, and the upper and lower ends of the heat collecting plate are closed ends. There are connecting pipes for medium circulation on the closed plane to connect each heating cavity of the heat collecting plate. The cross-section is corrugated, and the use of this shape has the following advantages: (1) the channel of the medium is formed and the heating chambers are mutually closed; (2) the strength of the plate body can be increased, so that the heat collecting plate is not easily deformed. The upper surface of the heat-collecting plate is a heat-absorbing coating layer, which is a multi-layer gradient selective absorption film, using magnetron sputtering technology, which can make the absorption rate of the heat-absorbing coating layer reach More than 93%, so that the heat collection rate is higher, while the heat radiation rate is lower than 6%, so that the heat loss is smaller. At the same time, this structure can prevent the heat-absorbing film layer from aging and falling off, so that the service life of the whole board is significantly improved.

Since the heat collector realizes the series structure of the heating chambers of the heat collecting plate, the heating distance of the medium is long and the heating time is long, so the heat absorption efficiency is effectively improved, the heat absorption effect is enhanced, and the temperature rises faster.

The heat collector of the utility model is a solar heat collector which can heat various media, has high strength, simple installation, fast circulation speed and controllable temperature, and is suitable for solar heating, solar drying and other places that need to be heated by solar energy. To achieve the purpose of using renewable energy, reducing environmental pollution, reducing costs, improving the living environment, and improving people's quality of life.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is A-A sectional view of Fig. 1;

Fig. 3 is a B-B sectional view of Fig. 1 .

Detailed ways

As shown in Figure 1, Figure 2, and Figure 3, the plate-type multifunctional solar collector of the present invention includes a heat collecting plate 2 and a heat collecting plate back plate 3, between the heat collecting plate 2 and the heat collecting plate back plate 3 There is a medium connecting pipe 5 between them, the heat collecting plate 2 and the heat collecting plate back plate 3 are closely attached, the section of the heat collecting plate 2 is corrugated, and the medium connecting pipe 5 is arranged between the heat collecting plate 2 and the heat collecting plate back plate 3 In the formed heating chamber, the upper and lower ends of the heat collecting plate are airtight ends, and there are connecting pipes 5 for circulating medium on the airtight planes at the upper and lower ends, so that each heating chamber is connected, and the upper surface of the heat collecting plate 2 is coated with There is a heat-absorbing film, wherein the heat-absorbing film is a multi-layer gradient selective absorbing film. The inlet of the medium connection pipeline 5 is connected with the medium inflow pipeline 1, and the outlet 7 is connected with the delivery pipeline 9 through a pump body 8. In the airtight space formed with the cover body 6, the heat collecting plate 2 is an anti-corrosion, heat-conducting metal plate, and the cover body in this embodiment is a glass cover body.

The operating process of the present utility model is as follows:

The medium (such as air or water) flows into the first heating chamber b of the heat collecting plate 2 through the air inlet a of the medium inflow pipe 1 for heating, and then enters the second heating of the heat collecting plate 2 through the connecting pipe 5 Heating is carried out in the cavity, so repeated baffle heating, the heated medium is sucked by the pump body 8 through the outlet 7 of the medium connecting pipeline 5, and discharged into the delivery pipeline 9, so as to be transported to the place where the heat medium is needed. The entire heat collecting plate 2 is closely attached to the back plate 3 of the heat collecting plate. Since the left and right sides of the heating cavity b of the heat collecting plate are planes, there is a fixing hole c to fix the heat collecting plate after being attached to the back plate 3 of the heat collecting plate 2 and the back plate of the heat collecting plate 3 are fixed to make the two more tightly combined, so the heating chambers of the heat collecting plate are closed to each other, and at the same time, the upper and lower ends of the heat collecting plate are closed ends, and the airtight planes at the upper and lower ends are used for circulation. The connection pipe 1 of the medium is used to communicate with each heating chamber. The heat collecting plate 2 and the heat collecting plate back plate 3 fixed together are connected and fixed together with the heat preservation bottom plate 4 through the fixing hole d, and the heat collecting plate 2 and the heat collecting plate back plate 3 fixed together are fixed together by a glass cover 6 on the outside. , heat insulation bottom plate 4 is airtight.

The utility model can adjust the flow rate of the pump body according to the actual situation, so that it is suitable for solar heating, solar drying and other places where solar heat medium is needed in different situations.

Claims (8)

1, a kind of board-like multifunctional solar heat collector, it is characterized in that: comprise thermal-arrest plate (2), thermal-arrest backboard plate (3), be provided with medium connecting pipe (5) between thermal-arrest plate (2) and thermal-arrest backboard plate (3), thermal-arrest backboard plate (3), thermal-arrest plate (2) and medium connecting pipe (5) all are arranged on by in insulation base plate (4) and the formed confined space of cover body (6).

2, board-like multifunctional solar heat collector according to claim 1, it is characterized in that: described thermal-arrest plate (2) closely pastes mutually with thermal-arrest backboard plate (3), the section of thermal-arrest plate (2) is a corrugation shape, and medium connecting pipe (5) is arranged in thermal-arrest plate (2) and the formed heating chamber of thermal-arrest backboard plate (3).

3, board-like multifunctional solar heat collector according to claim 2 is characterized in that: the upper surface at thermal-arrest plate (2) is coated with the heat absorption overlay film.

4, board-like multifunctional solar heat collector according to claim 3 is characterized in that: described heat absorption overlay film is that multilayer gradual change selectivity is inhaled film.

5, board-like multifunctional solar heat collector according to claim 4 is characterized in that: described thermal-arrest plate (2) is anticorrosion, heat conductive metal plate.

6, board-like multifunctional solar heat collector according to claim 5 is characterized in that: the inlet of described medium connecting pipe (5) is connected with medium flow ipe (1), and outlet links to each other with conveyance conduit (9) by a pump housing (8).

7, board-like multifunctional solar heat collector according to claim 6 is characterized in that: the two ends up and down of described thermal-arrest plate are sealed end, are useful on the connecting pipe (5) of circulation medium up and down on the airtight plane at two ends, each heating chamber is formed be communicated with.

8, according to arbitrary described board-like multifunctional solar heat collector among the claim 1-7, it is characterized in that: described cover body is the glass cover body.