CN214898475U

CN214898475U - Photovoltaic thermal electric plate with good heat absorption and photovoltaic integrated assembly

Info

Publication number: CN214898475U
Application number: CN202121381891.1U
Authority: CN
Inventors: 杨宏婺; 杨敏杰
Original assignee: Hubei Crystal Amperex Technology Ltd
Current assignee: Hubei Crystal Amperex Technology Ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-11-26
Anticipated expiration: 2031-06-21

Abstract

The utility model relates to a photovoltaic power generation technical field discloses a photovoltaic thermal-electric integration subassembly, including panel and backplate, the back of panel is equipped with many mutual parallel arrangement's gluing strip, the backplate bond in the panel back forms a whole, forms a plurality of circulation cavitys between gluing strip, panel and the backplate, and a plurality of circulation cavitys communicate each other, and the intussuseption of circulation cavity is filled with the heat conductor for solve the heat absorption performance that current photovoltaic thermal electric plate exists poor, lead to the problem that generating efficiency hangs down and life shortens.

Description

Photovoltaic thermal electric plate with good heat absorption and photovoltaic integrated assembly

Technical Field

The utility model relates to a photovoltaic power generation equipment technical field especially relates to a good photovoltaic thermal electric plate of heat absorption and photovoltaic integration subassembly.

Background

Photovoltaic power generation is a technology of directly converting light energy into electric energy by using the photovoltaic effect of a semiconductor interface. The solar cells are connected in series and then are packaged and protected to form a large-area solar cell module, and then the photovoltaic power generation device is formed by matching with components such as a power controller and the like. At present, in the field of photovoltaic power generation application, the higher the surface temperature of a photovoltaic cell panel is, the lower the power generation efficiency is, the higher the power generation efficiency is by 10 degrees per liter, the power generation efficiency is reduced by 5 percent, the high temperature easily generates a hot spot effect to reduce the power generation efficiency and greatly influence the service life, and then solar heat energy cannot be absorbed, so that precious clean energy of the solar energy is wasted to a great extent.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An embodiment of the utility model provides a good photovoltaic thermoelectric board of heat absorption and photovoltaic integration subassembly for it is poor to solve the heat dispersion that current photovoltaic thermoelectric board exists, leads to the problem that generating efficiency hangs down and life shortens.

(II) contents of utility model

An embodiment of the utility model provides a good photovoltaic thermoelectric board absorbs heat, including panel and backplate, the back of panel is equipped with many mutual parallel arrangement's gluing strip, the backplate bond in the panel back forms a whole, forms a plurality of circulation cavitys between gluing strip, panel and the backplate, and a plurality of circulation cavitys communicate each other, and the intussuseption of circulation cavity is filled with the heat conductor.

Preferably, the circulating cavity comprises a heat transmission cavity, an upper circulating cavity, a lower circulating cavity and a heat absorption circulating cavity, wherein the heat transmission cavity is arranged at the lower end of the panel, the upper circulating cavity and the lower circulating cavity are respectively arranged above and below the adhesive strips, the heat absorption circulating cavity is arranged between every two adjacent adhesive strips, and circulating ports are formed in two ends of the heat transmission cavity, the two ends of the upper circulating cavity and the two ends of the lower circulating cavity.

Preferably, a plurality of adhesive strips are arranged in a staggered manner, so that heat absorption circulation cavities formed between adjacent adhesive strips are staggered, and a plurality of heat absorption circulation cavities are communicated with the heat transmission cavity, the upper circulation cavity and the lower circulation cavity to form a zigzag circulation cavity.

A photovoltaic integrated assembly with good heat absorption comprises at least two photovoltaic thermal electric plates, wherein a heat conductor of a first photovoltaic thermal electric plate is input from a circulation port at one end of a heat transmission cavity of the first photovoltaic thermal electric plate, and flows out from a heat transmission cavity of a last photovoltaic thermal electric plate and a circulation port at the tail end of a lower circulation cavity of the last photovoltaic thermal electric plate through the heat transmission cavity of each photovoltaic thermal electric plate, and a circulation port in front of the lower circulation cavity of the first photovoltaic thermal electric plate and a circulation port at the tail end of an upper circulation cavity of the last photovoltaic thermal electric plate are closed, so that a closed circulation loop of the heat conductor is formed.

Preferably, the circulating outlet of the heat transmission cavity of the first photovoltaic thermoelectric plate is further provided with a pressure regulating valve for regulating the pressure of the heat conductor flowing into the photovoltaic integrated assembly.

(III) advantageous effects

The embodiment of the utility model provides a good photovoltaic thermoelectric board absorbs heat, including panel and backplate, the back of panel is equipped with many mutual parallel arrangement's gluing strip, the backplate bond in the panel back forms a whole, forms a plurality of circulation cavitys between gluing strip, panel and the backplate, a plurality of circulation cavitys communicate each other, and the intussuseption of circulation cavity is filled with the heat conductor, set up heat conductor circulation cavity between photovoltaic thermoelectric board and backplate, take away unnecessary heat through the circulation heat absorption, reduce the temperature rise of photovoltaic hot board, improved the life of generating efficiency while greatly prolonging photovoltaic thermoelectric board, provide a photovoltaic thermoelectric integrated component who comprises above-mentioned polylith photovoltaic thermoelectric board simultaneously, the scale of being convenient for is used.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a panel in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a back plate in an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a photovoltaic integrated module with good heat absorption consisting of two photovoltaic thermal electric plates with good heat absorption;

FIG. 4 is a schematic structural view of another arrangement of a good heat absorption PV integrated module consisting of two good heat absorption PV thermoelectric plates;

description of reference numerals:

1: a panel; 2: gluing the strip; 3: a circulating cavity;

4: a back plate; 6: a circulation port; 7: a pressure regulating valve;

31: a heat transfer cavity; 32: an upper circulation cavity; 33: a lower circulation cavity;

34: a heat absorption circulation cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "first", "second" and "third" are used for the sake of clarity in describing the numbering of the product parts and do not represent any substantial difference, unless explicitly stated or limited otherwise. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

The photovoltaic thermoelectric panel with good heat absorption provided by the embodiment comprises a panel shown in fig. 1 and a back plate 4 shown in fig. 2, wherein the back surface of the panel is provided with a plurality of adhesive strips 2 arranged in parallel, the back plate 4 is bonded on the back surface of the panel to form a whole, a plurality of circulation cavities 3 are formed among the adhesive strips 2, the panel and the back plate 4, the adhesive strips 2 are arranged in a staggered manner, so that heat absorption circulation cavities 34 formed among the adjacent adhesive strips 2 are staggered, so that the heat absorption circulation cavities 34 are communicated with a heat transmission cavity 31, an upper circulation cavity 32 and a lower circulation cavity 33 to form a zigzag circulation cavity 3, and the circulation cavity 3 is filled with a heat conductor, and water is used as the heat conductor under the ordinary condition. The circulating cavity 3 comprises a heat transmission cavity 31, an upper circulating cavity 32, a lower circulating cavity 33 and a heat absorption circulating cavity 34, wherein the heat transmission cavity 31 is arranged at the lower end of the panel, the upper circulating cavity 32 and the lower circulating cavity 33 are respectively arranged above and below the adhesive strips 2, the heat absorption circulating cavity 34 is arranged between two adjacent adhesive strips 2, and circulating ports 6 are respectively arranged at two ends of the heat transmission cavity 31, the upper circulating cavity 32 and the lower circulating cavity 33.

The single photovoltaic thermal electric plate can not realize the function of large-scale power generation, so that a photovoltaic integrated component with good heat absorption can be formed by a plurality of photovoltaic thermal electric plates with good heat absorption, for example, two photovoltaic integrated components are used, as shown in fig. 3 and 4, a heat conductor of a first photovoltaic thermal electric plate is input from a circulation port 6 at one end of a heat transmission cavity 31 of the first photovoltaic thermal electric plate, flows out from the heat transmission cavity 31 of a last photovoltaic thermal electric plate and a circulation port 6 at the tail end of a lower circulation cavity 33 of the last photovoltaic thermal electric plate through the heat transmission cavity 31 of each photovoltaic thermal electric plate, and is sealed by the circulation port 6 at the front end of the lower circulation cavity 33 of the first photovoltaic thermal electric plate and the circulation port 6 at the tail end of the upper circulation cavity 32 of the last photovoltaic thermal electric plate, so as to form a closed circulation loop of the heat conductor. Place photoelectricity light and heat integration subassembly in the occasion that illumination is sufficient, sunshine shines at photoelectricity light and heat integration subassembly surface, and solar power generation board absorbs solar energy conversion electric energy and carries to the power consumption occasion, and the heat receiver absorbs solar energy storage and conduction to the heat-absorbing pipe, and the heat-absorbing pipe passes through articulate heat transfer pipeline, goes away the heat conduction, to sum up, the utility model discloses processing is simple and easy, and manufacturing cost is extremely low, and solar energy and heat energy absorb the conversion simultaneously, have greatly improved the utilization ratio of solar energy.

Preferably, the circulation port 6 of the heat transmission cavity 31 of the first photovoltaic thermal power plate is further provided with a pressure regulating valve 7 for regulating the pressure of the heat conductor flowing into the photovoltaic integrated assembly.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The photovoltaic thermoelectric plate with good heat absorption comprises a panel and a back plate and is characterized in that a plurality of adhesive strips which are arranged in parallel are arranged on the back surface of the panel, the back plate is bonded on the back surface of the panel to form a whole, a plurality of circulation cavities are formed between the panel and the back plate and communicated with one another, and heat conductors are filled in the circulation cavities.

2. The photovoltaic thermoelectric plate as claimed in claim 1, wherein the circulation cavity comprises a heat transmission cavity, an upper circulation cavity, a lower circulation cavity and a heat absorption circulation cavity, wherein the heat transmission cavity is disposed at a lower end of the panel, the upper circulation cavity and the lower circulation cavity are respectively disposed above and below the adhesive strips, the heat absorption circulation cavity is disposed between the two adjacent adhesive strips, and circulation ports are disposed at two ends of the heat transmission cavity, the upper circulation cavity and the lower circulation cavity.

3. The photovoltaic thermoelectric panel as claimed in claim 2, wherein the plurality of adhesive strips are disposed in a staggered manner so that the heat absorption circulation cavities formed between adjacent adhesive strips are staggered, thereby communicating the plurality of heat absorption circulation cavities with the heat transfer cavity, the upper circulation cavity and the lower circulation cavity to form a zigzag circulation cavity.

4. A photovoltaic integrated module with good heat absorption, comprising at least two photovoltaic thermal electric plates with good heat absorption as claimed in any one of claims 1 to 3, wherein the heat conductor of the first photovoltaic thermal electric plate is input from a circulation port at one end of the heat transmission cavity, passes through the heat transmission cavity of each photovoltaic thermal electric plate, and flows out from the heat transmission cavity of the last photovoltaic thermal electric plate and the tail end circulation port of the lower circulation cavity, and the end circulation port in front of the lower circulation cavity of the first photovoltaic thermal electric plate and the circulation port at the tail end of the upper circulation cavity of the last photovoltaic thermal electric plate are closed, so as to form a closed circulation loop of the heat conductor.

5. The PV-integrated module with good heat absorption function as claimed in claim 4, wherein the circulation outlet of the heat transmission cavity of the first PV-thermoelectric plate is further provided with a pressure regulating valve for regulating the pressure of the heat conductor flowing into the PV-integrated module.