CN218071435U

CN218071435U - Solar photovoltaic photo-thermal utilization system with baffling heat exchange plates

Info

Publication number: CN218071435U
Application number: CN202221301349.5U
Authority: CN
Inventors: 郑立江; 赵韶鹏; 梁彩华
Original assignee: Shermer Energy Saving Technology Zhenjiang Co ltd
Current assignee: Shermer Energy Saving Technology Zhenjiang Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-12-16
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a solar photovoltaic photo-thermal utilization system with baffle heat exchange plates, which comprises a glass layer, a photovoltaic plate, a heat exchange layer and a heat preservation layer which are sequentially stacked from top to bottom, wherein the upper end and the lower end of the heat exchange layer are also respectively connected with an upper diversion chamber and a lower diversion chamber, and the upper diversion chamber, the heat exchange layer and the lower diversion chamber are sequentially communicated; an upper guide channel is formed by arranging a plurality of upper guide plates at equal intervals at the 1/2-2/3 part below the upper guide chamber, a lower guide channel is formed by arranging a plurality of lower guide plates 11 at equal intervals at the 1/2-2/3 part above the lower guide chamber, and the baffling heat exchange plate is arranged between the upper guide plate and the lower guide plate.

Description

Solar photovoltaic photo-thermal utilization system with baffling heat exchange plates

Technical Field

The utility model belongs to the technical field of the photovoltaic light and heat utilizes, especially, take baffling heat transfer plate's solar photovoltaic light and heat utilizes system.

Background

With the increase of attention of people to renewable energy sources, solar energy is produced by virtue of the advantages of universality, durability, harmlessness and the like. At present, solar energy development mainly comprises a solar hot water technology oriented to medium and low temperature, a medium and high temperature concentrating solar technology and a photovoltaic power generation technology, and can be used for directly supplying heat, refrigerating and power. Therefore, solar photovoltaic power generation and solar thermal power generation are two important components of solar power generation. For a photovoltaic system, the internal resistance of a photovoltaic cell increases when the temperature of a photovoltaic panel rises, so that the power generation efficiency of the system is low, a circulation loop needs to be installed on the back of the photovoltaic panel to extract the heat of the photovoltaic panel, and the power generation efficiency of the photovoltaic panel is improved while the problem is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the not enough that exists among the prior art, the utility model provides a take solar photovoltaic light and heat utilization system of baffling heat transfer board has improved the radiating rate of photovoltaic in the photovoltaic light and heat utilization system through utilizing the inside baffling heat transfer board that sets up of system at photovoltaic light and heat, has avoided leading to photovoltaic power generation efficiency to reduce because the high temperature.

The utility model discloses the technical scheme who adopts as follows:

a solar photovoltaic photo-thermal utilization system with a baffling heat exchange plate comprises a glass layer, a photovoltaic plate, a heat exchange layer and a heat preservation layer which are sequentially stacked from top to bottom, wherein the upper end and the lower end of the heat exchange layer are respectively connected with an upper flow guide chamber and a lower flow guide chamber, and the upper flow guide chamber, the heat exchange layer and the lower flow guide chamber are sequentially communicated; an upper guide channel is formed by arranging a plurality of upper guide plates at equal intervals at the 1/2-2/3 part below the upper guide chamber, a lower guide channel is formed by arranging a plurality of lower guide plates 11 at equal intervals at the 1/2-2/3 part above the lower guide chamber, and the baffling heat exchange plate is arranged between the upper guide plate and the lower guide plate.

Furthermore, n layers of the baffling heat exchange plates are bent, the baffling heat exchange plate on the left half side and the baffling heat exchange plate on the right half side in the same layer are symmetrically arranged around the central line, and the bending angles of the upper layer and the lower layer of baffling heat exchange plates which are adjacent to each other are opposite.

Furthermore, the distance between the baffle heat exchange plates is smaller than the distance between the upper guide plates.

Furthermore, side channels are respectively arranged on the two outermost sides of the heat exchange layer, and smoothness of working media among the upper guide plate, the outer side baffle heat exchange plate and the lower guide plate is guaranteed through the side channels.

Further, the heat transfer layer is made of the rectangle cavity of aluminium, and two upper and lower walls on heat transfer layer closely laminate with photovoltaic board and heat preservation respectively.

Furthermore, the side wall surface of the upper diversion chamber is connected with a water inlet pipe, and a cooling working medium is input into the upper diversion chamber through the water inlet pipe; the side wall surface of the lower diversion chamber is connected with a water outlet pipe, and working medium after heat exchange in the heat exchange layer is output through the water outlet pipe.

The utility model has the advantages that:

the utility model discloses an at the inside heat transfer layer that sets up the rectangle of photovoltaic light and heat utilization system, closely laminate with the photovoltaic layer and can increase heat transfer area, guarantee that whole photovoltaic board can all realize even heat transfer.

The upper guide plates are arranged in the heat exchange layer at equal intervals to form upper guide channels, and the cooling working medium entering the upper guide chamber from the water inlet pipe passes through the upper guide plates to form stable multi-beam channels; a plurality of lower guide plates are arranged at equal intervals to form a lower guide channel, and heat-exchanged working media flowing out of the heat exchange layer are converged by the lower guide plates and then are discharged from a water outlet pipe after being converged from the bottom of the lower guide chamber, so that the flowability of cooling working media in the heat exchange layer can be enhanced. The baffling heat exchange plates regularly arranged between the upper flow guide chamber and the lower flow guide chamber can effectively enhance the formation of a heat exchange working medium in the heat exchange layer, and improve the heat exchange efficiency.

Drawings

Fig. 1 is a schematic view of the external structure of the photovoltaic photo-thermal utilization system of the present invention;

fig. 2 is a side view of the external structure of the photovoltaic photo-thermal utilization system of the present invention;

fig. 3 is a schematic structural view of a heat exchange plate in the photovoltaic photo-thermal utilization system of the present invention;

in the figure, the water inlet pipe is 1, the water inlet pipe is 2, the upper diversion chamber is 3, the outer shell is 4, the lower diversion chamber is 5, the water outlet pipe is 6, the photovoltaic panel is 7, the glass layer is 8, the baffling heat exchange plate is 9, the upper diversion plate is 10, the side channel is 11, the lower diversion plate is 12, the mounting frame is 13 and the heat insulation layer is arranged.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 and 2, the solar photovoltaic photo-thermal utilization system with the baffling heat exchange plates comprises a glass layer 7, a photovoltaic plate 6, a heat exchange layer and a heat preservation layer 13 which are sequentially stacked from top to bottom, the bottom and the side edges of the four layers are wrapped by an outer shell 3 made of metal, so that the four layers are in close contact with each other to form the solar photovoltaic photo-thermal utilization system, an installation frame 12 is fixedly arranged at the bottom of the outer shell 3, and the whole solar photovoltaic photo-thermal utilization system can be fixedly installed through the installation frame 12, as shown in fig. 2.

The upper end and the lower end of the heat exchange layer are also respectively connected with an upper flow guide chamber 2 and a lower flow guide chamber 4, and the upper flow guide chamber 2, the heat exchange layer and the lower flow guide chamber 4 are sequentially communicated; the side wall surface of the upper diversion chamber 2 is connected with a water inlet pipe 1, and a cooling working medium (such as water) is input into the upper diversion chamber 2 through the water inlet pipe 1; the side wall surface of the lower diversion chamber 4 is connected with a water outlet pipe 5, and working medium after heat exchange in the heat exchange layer is output through the water outlet pipe 5.

The utility model discloses a rectangular cavity that the heat transfer layer made of aluminium, and two upper and lower walls on heat transfer layer closely laminate with photovoltaic board 6 and heat preservation 13 respectively, and the inside cooling working medium runner that forms the dogleg shape of evenly cutting apart the heat transfer in situ through last guide plate 9, baffling heat transfer plate 8 and lower guide plate 11. As shown in fig. 3, the upper guide plates 9 are short straight plates, the upper guide channels are formed by arranging a plurality of upper guide plates 9 at equal intervals at 1/2-2/3 parts below the upper guide chamber 2, and the cooling working medium entering the upper guide chamber 2 from the water inlet pipe 1 passes through the upper guide plates 9 to form stable multi-beam channels. Similarly, a lower guide channel is formed by arranging a plurality of lower guide plates 11 at 1/2-2/3 of the upper part of the lower guide chamber 4 at equal intervals, and heat-exchanged working media flowing out of the heat exchange layer are converged by the lower guide plates 11 and then are discharged from the water outlet pipe 5 after being converged at the bottom of the lower guide chamber 4.

The utility model discloses a baffling heat transfer board 8 sets up the position at last guide plate 9 under and between guide plate 11, like figure 3, baffling heat transfer board 8 has bent n layer, and the baffling heat transfer board 8 of half on the left side and the baffling heat transfer board 8 of half on the right side set up about the central line symmetry in the same one deck, and the angle of bending of upper and lower adjacent two-layer baffling heat transfer board 8 is opposite. The distance between the baffle heat exchange plates 8 is smaller than that between the upper baffle plates 9. Because both sides of the baffle heat exchange plate 8 are all corrugated, the outermost two sides of the heat exchange layer are respectively provided with a side channel 10, and the smoothness of working media among the upper guide plate 9, the outer side baffle heat exchange plate 8 and the lower guide plate 11 is ensured through the side channels 10.

The above embodiments are only used for illustrating the design ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, and the protection scope of the present invention is not limited to the above embodiments. Therefore, all the equivalent changes or modifications made according to the principles and design ideas disclosed by the present invention are within the protection scope of the present invention.

Claims

1. The solar photovoltaic photo-thermal utilization system with the baffling heat exchange plates is characterized by comprising a glass layer (7), a photovoltaic plate (6), a heat exchange layer and a heat insulation layer (13) which are sequentially stacked from top to bottom, wherein the upper end and the lower end of the heat exchange layer are respectively connected with an upper flow guide chamber (2) and a lower flow guide chamber (4), and the upper flow guide chamber (2), the heat exchange layer and the lower flow guide chamber (4) are sequentially communicated; an upper guide channel is formed by arranging a plurality of upper guide plates (9) at 1/2-2/3 positions below the upper guide chamber (2) at equal intervals, a lower guide channel is formed by arranging a plurality of lower guide plates (11) at 1/2-2/3 positions above the lower guide chamber (4) at equal intervals, and the baffling heat exchange plate (8) is arranged between the upper guide plates (9) and the lower guide plates (11).

2. The solar photovoltaic photo-thermal utilization system with the heat deflection plates as claimed in claim 1, wherein n layers of the heat deflection plates (8) are bent, the left half of the heat deflection plates (8) and the right half of the heat deflection plates (8) in the same layer are symmetrically arranged with respect to a central line, and the bending angles of the two layers of the heat deflection plates (8) adjacent to each other are opposite.

3. The solar photovoltaic photo-thermal utilization system with heat baffle plates as claimed in claim 2, wherein the distance between the heat baffle plates (8) is smaller than the distance between the upper guide plates (9).

4. The solar photovoltaic photo-thermal utilization system with the baffling heat exchange plate as claimed in claim 1, 2 or 3, wherein side channels (10) are respectively arranged at the outermost two sides of the heat exchange layer, and the smoothness of working media among the upper deflector (9), the outer baffling heat exchange plate (8) and the lower deflector (11) is ensured through the side channels (10).

5. The solar photovoltaic photo-thermal utilization system with the baffling heat exchange plate as claimed in claim 4, wherein the heat exchange layer is made of a rectangular cavity made of aluminum, and the upper wall surface and the lower wall surface of the heat exchange layer are respectively tightly attached to the photovoltaic plate (6) and the heat insulation layer (13).

6. The solar photovoltaic photo-thermal utilization system with the baffling heat exchange plate as claimed in claim 5, wherein a water inlet pipe (1) is connected to the side wall surface of the upper flow guide chamber (2), and a cooling working medium is input into the upper flow guide chamber (2) through the water inlet pipe (1); the side wall surface of the lower diversion chamber (4) is connected with a water outlet pipe (5), and working medium after heat exchange in the heat exchange layer is output through the water outlet pipe (5).