阅读说明：本技术 光伏集热器加工工艺 (Photovoltaic heat collector processing technology ) 是由 俞海强 于 2019-09-04 设计创作，主要内容包括：本发明公开了光伏集热器加工工艺包括步骤一：光伏电池板上胶黏TPT背板,然后在TPT背板上放置一层热胶膜,热胶膜上再放置导热板形成组合板,然后将这个整体放置到输送带上；步骤二：经过输送带的运输,组合板进入第一真空压合室,在第一真空压合室内热胶膜融化将光伏电池板与导热板粘粘在一起；步骤三：通过输送带组合板从第一真空室移动到操作台上,将导热管放置在导热板上,相邻的导热管之间放置热胶膜,把盖板放置的热胶膜上,再通过输送带运输到第二真空压合室,使得盖板粘合在导热板上,完成后再通过输送带运输到组装室；步骤四：在组装室内完成光伏集热器的组装。(The invention discloses a photovoltaic heat collector processing technology which comprises the following steps: gluing a TPT back plate on the photovoltaic cell panel, then placing a layer of hot glue film on the TPT back plate, placing a heat conducting plate on the hot glue film to form a combined plate, and then placing the whole on a conveying belt; step two: the combined plate enters a first vacuum pressing chamber after being transported by a conveyor belt, and a hot glue film is melted in the first vacuum pressing chamber to adhere the photovoltaic cell panel and the heat conducting plate together; step three: the heat conducting pipes are placed on the heat conducting plates by moving the conveyer belt combined plate from the first vacuum chamber to the operating platform, a hot glue film is placed between the adjacent heat conducting pipes, the hot glue film placed on the cover plate is transported to the second vacuum pressing chamber by the conveyer belt, so that the cover plate is bonded on the heat conducting plates, and the cover plate is transported to the assembling chamber by the conveyer belt after the cover plate is completed; step four: and finishing the assembly of the photovoltaic heat collector in the assembly chamber.)

1. The photovoltaic heat collector processing technology is characterized by comprising the following steps:

the method comprises the following steps: the photovoltaic cell panel is glued with the TPT back plate (3), the TPT back plate (3) plays a role in protecting and supporting the cell, and has reliable insulativity, water resistance and aging resistance, then a layer of hot glue film is placed on the TPT back plate (3), a heat conducting plate (1) is placed on the hot glue film to form a combined plate, and then the whole body is placed on a conveying belt;

step two: the combined plate enters a first vacuum pressing chamber after being transported by a conveyor belt, and a hot glue film is melted in the first vacuum pressing chamber to adhere the photovoltaic cell panel and the heat conducting plate (1) together;

step three: the heat conduction pipes are placed on the heat conduction plates (1) by moving the conveyer belt composition plates from the first vacuum chamber to the operation table, a hot glue film is placed between the adjacent heat conduction pipes, the hot glue film placed on the cover plate (6) is transported to the second vacuum pressing chamber by the conveyer belt, so that the cover plate (6) is bonded on the heat conduction plates (1), and the cover plate is transported to the assembly chamber by the conveyer belt after the cover plate is completed;

step four: preparing an aluminum alloy frame, a heat insulation back plate, a heat insulation plate and a toughened glass plate, firstly assembling the aluminum alloy frame into an aluminum alloy frame body, then fixing the heat insulation back plate in the aluminum alloy frame body as a bottom layer, placing the heat insulation plate on the heat insulation back plate, placing the rear combined plate after the third step on the heat insulation plate, placing the toughened glass plate on the combined plate, and finally inserting a connecting piece to fix the aluminum alloy frame body;

in the second step, before the combined plate enters the first vacuum pressing chamber, the temperature of the first vacuum pressing chamber is increased to 100-130 ℃ so as to ensure that the combined plate can be laminated after entering the first vacuum pressing chamber, and the pressure of the first vacuum pressing chamber is as follows: 0.9-1.2 Mpa (9-12 kg/cm), time: 300-500 seconds;

after the heating is stopped in the first vacuum pressing chamber and the second vacuum pressing chamber, cooling treatment is needed to be carried out to solidify the hot glue film, so that the combined plate forms a whole, the cooling treatment is that a first cooling chamber is arranged behind the first vacuum pressing chamber and used for shortening the cooling time of the combined plate and increasing the working efficiency, a second cooling chamber is arranged in the second vacuum pressing chamber, and the first cooling chamber and the second cooling chamber are in the same structural design.

2. The photovoltaic heat collector processing technology according to claim 1, wherein a plurality of fans are arranged in the first cooling chamber to cool the combined plate entering the first cooling chamber, the heat dissipation of the combined plate is accelerated by utilizing the flow of gas, the cooling of the combined plate is accelerated, a temperature sensor is placed in the first cooling chamber to detect the temperature of the combined plate, the temperature detected by the temperature sensor is transmitted to an external display screen at any time, and the next step of the processing can be performed when the temperature is reduced to room temperature.

3. The photovoltaic heat collector processing technology according to claim 1, wherein the first cooling chamber is a constant temperature chamber, cold air is filled in the first cooling chamber to rapidly cool the composite plate, a temperature sensor is placed in the first cooling chamber to detect the temperature of the composite plate, the temperature detected by the temperature sensor is transmitted to an external display screen at all times, and the next step can be performed when the temperature is reduced to room temperature.

4. The process for manufacturing a photovoltaic heat collector according to claim 1, wherein the pressure of the first vacuum pressing chamber is 0.9MPa, the time is 400 seconds, and the heating temperature is 110 ℃.

5. A photovoltaic heat collector processing technology according to claim 1, wherein the pressure of the first vacuum pressing chamber is 1.0MPa, the time is 400 seconds, and the heating temperature is 118 ℃.

6. The process for manufacturing a photovoltaic heat collector according to claim 1, wherein the pressure of the first vacuum pressing chamber is 1.2MPa, the time is 400 seconds, and the heating temperature is 120 ℃.

7. The processing technology of the photovoltaic heat collector according to claim 1, wherein the upper surface of the TPT back plate (3) is provided with a thermal adhesive film groove (4), the lower surface of the heat conducting plate (1) is provided with a convex part (2), and when vacuum suction is carried out, the thermal adhesive film is prevented from being extruded and flowing out of the heat conducting plate (1) after being melted.

8. The processing technology of the photovoltaic heat collector according to claim 1, wherein the cover plate (6) is provided with a pipe groove (5) for limiting the position of the heat conduction pipe, the heat conduction pipe is placed on the heat conduction plate (1), and a hot glue film is placed on the part of the heat conduction plate (1) without the heat conduction plate (1).

Technical Field

The invention relates to the field of photovoltaic heat collectors, in particular to a processing technology of a photovoltaic heat collector.

Background

The vast majority of our country have abundant solar energy resources, and most of our country are suitable for utilizing solar energy except that local areas such as Sichuan and Guizhou are not suitable for utilizing solar energy. It is estimated that the total amount of solar radiation received annually in china on land is equivalent to 24000 million tons of standard coal, with an annual average radiation of about 5900 megajoules per square meter.

At present, the living standard of people is gradually improved, energy consumed by people is also gradually increased, but fossil fuel still occupies the main proportion of energy consumption at the present stage, the fossil fuel belongs to non-renewable resources, the use of the fossil fuel is serious for atmospheric pollution, and the use of solar energy as clean energy is more and more extensive along with the gradual improvement of environmental awareness of people.

The traditional photovoltaic heat collector adopts common glue adhesion in the production process, so that the adhesion strength is not enough, and the adhesion separation condition can occur under the long-time high-temperature condition or the high-low temperature alternative condition.

Disclosure of Invention

The invention provides a photovoltaic heat collector processing technology for solving the problems in the prior art, which comprises the following steps:

the method comprises the following steps: the photovoltaic cell panel is glued with the TPT back plate, the TPT back plate plays a role in protecting and supporting the cell piece and has reliable insulativity, water resistance and aging resistance, then a layer of hot glue film is placed on the TPT back plate, a heat conducting plate is placed on the hot glue film to form a combined plate, and then the whole body is placed on a conveying belt;

step two: the combined plate enters a first vacuum pressing chamber after being transported by a conveyor belt, and a hot glue film is melted in the first vacuum pressing chamber to adhere the photovoltaic cell panel and the heat conducting plate together;

step three: the heat conducting pipes are placed on the heat conducting plates by moving the conveyer belt combined plate from the first vacuum chamber to the operating platform, a hot glue film is placed between the adjacent heat conducting pipes, the hot glue film placed on the cover plate is transported to the second vacuum pressing chamber by the conveyer belt, so that the cover plate is bonded on the heat conducting plates, and the cover plate is transported to the assembling chamber by the conveyer belt after the cover plate is completed;

step four: preparing an aluminum alloy frame, a heat insulation back plate, a heat insulation plate and a toughened glass plate, firstly assembling the aluminum alloy frame into an aluminum alloy frame body, then fixing the heat insulation back plate in the aluminum alloy frame body as a bottom layer, placing the heat insulation plate on the heat insulation back plate, placing the rear combined plate after the third step on the heat insulation plate, placing the toughened glass plate on the combined plate, and finally inserting a connecting piece to fix the aluminum alloy frame body;

in the second step, before the combined plate enters the first vacuum pressing chamber, the temperature of the first vacuum pressing chamber is increased to 100-130 ℃ so as to ensure that the combined plate can be laminated after entering the first vacuum pressing chamber, and the pressure of the first vacuum pressing chamber is as follows: 0.9-1.2 Mpa (9-12 kg/cm), time: 300-500 seconds;

after the heating is stopped in the first vacuum pressing chamber and the second vacuum pressing chamber, cooling treatment is needed to be carried out to solidify the hot glue film, so that the combined plate forms a whole, the cooling treatment is that a first cooling chamber is arranged behind the first vacuum pressing chamber and used for shortening the cooling time of the combined plate and increasing the working efficiency, a second cooling chamber is arranged in the second vacuum pressing chamber, and the first cooling chamber and the second cooling chamber are in the same structural design.

On the basis of the above scheme and as a preferable scheme of the scheme: the utility model discloses a cooling device, including the first cooling chamber, the first cooling chamber is equipped with a plurality of fans and carries out the forced air cooling to the compoboard that gets into the first cooling chamber in, utilize the thermal giving off of the flow acceleration compoboard of gaseous, be favorable to accelerating the compoboard cooling, and placed temperature sensor in the first cooling chamber and be used for detecting the temperature of compoboard, the temperature that temperature sensor surveyed transmits the display screen of external world often on, can get into technology on next step when the temperature drops to the room temperature.

On the basis of the above scheme and as a preferable scheme of the scheme: the first cooling chamber is a constant temperature chamber, and cold air is filled into the first cooling chamber to quickly cool the combined plate, the temperature sensor is placed in the first cooling chamber and used for detecting the temperature of the combined plate, the temperature measured by the temperature sensor is transmitted to an external display screen constantly, and the combined plate can enter the next step of process when the temperature is reduced to the room temperature.

On the basis of the above scheme and as a preferable scheme of the scheme: the pressure of the first vacuum pressing chamber is 0.9MPa, the time is 400 seconds, and the heating temperature is 110 ℃.

On the basis of the above scheme and as a preferable scheme of the scheme: the pressure of the first vacuum pressing chamber is 1.0MPa, the time is 400 seconds, and the heating temperature is 118 ℃.

On the basis of the above scheme and as a preferable scheme of the scheme: the pressure of the first vacuum pressing chamber is 1.2MPa, the time is 400 seconds, and the heating temperature is 120 ℃.

On the basis of the above scheme and as a preferable scheme of the scheme: TPT backplate upper surface is equipped with the hot glue membrane groove, and the heat-conducting plate lower surface is equipped with the bellying, when carrying out the vacuum suction, avoids the hot glue membrane to melt the back and receives the extrusion of heat-conducting plate to flow out.

On the basis of the above scheme and as a preferable scheme of the scheme: the cover plate is provided with a pipeline groove for limiting the position of the heat conduction pipe, the heat conduction pipe is placed on the heat conduction plate, and the part of the heat conduction plate without the heat conduction plate is provided with a hot glue film.

Compared with the prior art, the invention has the outstanding and beneficial technical effects that:

1. vacuum pressfitting makes photovoltaic heat collector's the gluing intensity higher, and the regulation that is in the high temperature for a long time also is difficult for separating down, connects more stable.

2. The cover plate bonds the heat conduction pipe on the heat conduction plate, so that the heat conduction plate has integrity and heat conductivity compared with the traditional welding method, and the heat conduction plate cannot be welded in production

3. The first cooling chamber and the second cooling chamber can accelerate the heat dissipation of the combined plate, and the production efficiency is improved.

The process of the invention integrally improves the stability of the photovoltaic heat collector, and when the solar cell panel acts, redundant heat can be transferred out through the heat conduction pipe, so that the temperature of the solar cell panel is reduced, and the conversion efficiency of the solar cell is improved.

Drawings

FIG. 1 is a front view of the thermally conductive plate of the present invention;

FIG. 2 is a schematic front view of a TPT backsheet of the present invention;

FIG. 3 is a schematic front view of a first cover of the present invention;

FIG. 4 is a front view of a second cover plate of the present invention

FIG. 5 is a process flow diagram of the present invention.

Detailed Description

The technical solution of the present invention is further described below with reference to the following embodiments and the accompanying drawings.

Comparative example:

adopt traditional sticky bonding, high temperature resistant PU glues and is in the same place TPT backplate 3 and heat-conducting plate 1 bonding, uses laser welding to fix the heat pipe on heat-conducting plate 1.