CN212907763U

CN212907763U - Heat radiation structure of PERC battery light attenuation resistance equipment

Info

Publication number: CN212907763U
Application number: CN202022225015.1U
Authority: CN
Inventors: 周炜; 王庆钱; 杨大谊; 倪文虎; 李增海
Original assignee: Jiangxi Titanium Innovation Energy Technology Co Ltd
Current assignee: Jiangxi Titanium Innovation Energy Technology Co Ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-04-06
Anticipated expiration: 2030-10-09

Abstract

The utility model relates to a PERC battery technology field discloses a heat radiation structure of PERC battery light attenuation equipment, including battery piece and aluminum plate, the battery piece is a plurality ofly, and aluminum plate is two, and two aluminum plate attached in the both sides of battery piece, and is adjacent insert between the battery piece and be fixed with the aluminum sheet, the area of aluminum sheet is the same with the cross sectional area of battery piece, and the both ends of aluminum sheet are connected with aluminum plate, aluminum plate's surface is provided with heat radiation fins, and heat radiation fins is a plurality of, and a plurality of heat radiation fins even distribution is on aluminum plate surface, top the fixed surface of battery piece has the upper electrode. The utility model discloses a set up the aluminum sheet between the battery piece to make its and the attached aluminum plate in battery piece both sides be connected, make aluminum surface be provided with a plurality of heat radiation fins, the aluminum sheet can absorb the heat and convey to aluminum plate through heat radiation fins effluvium, also can better heat dissipation when not having the air flow, and the attached aluminum plate in battery piece both sides avoids the battery piece edge to receive illumination.

Description

Heat radiation structure of PERC battery light attenuation resistance equipment

Technical Field

The utility model relates to a PERC battery technical field specifically is a PERC battery light attenuation equipment's heat radiation structure.

Background

At present, the efficiency of the PERC battery can be improved by 1% on the basis of conventional single crystals and can be improved by 0.6% on the basis of conventional polycrystals, however, the problems of PERC at present mainly focus on the condition of illumination or pressurization, which causes the boron-oxygen recombination to seriously attenuate the battery piece by 3% -5%, but the light decay problem of the PERC battery can be effectively solved by a mode of electrifying two ends of a stack of battery pieces to enable the PERC battery to be in a decay state to a regeneration state, and after current is injected, the temperature of the battery pieces can be sharply increased, and the light decay resisting effect of the PERC battery can be reduced due to overhigh temperature. In order to meet the temperature requirement of the process, the conventional equipment adopts a side ventilation mode to ensure that the temperature reaches the process requirement, but the temperature of each part of a stack of batteries is difficult to ensure to reach the temperature required by the process.

The publication No. CN207651506U discloses a heat dissipation structure of a PERC battery light attenuation resistance device, which comprises a stack of battery pieces to be processed, wherein the battery pieces are stacked up and down, the upper end surface of each battery piece is provided with an upper electrode, the lower end surface of each battery piece is provided with a lower electrode, the upper part and the lower part of each battery piece are provided with a plurality of layers, and heat dissipation fins are inserted between each layer of battery piece; the surface size of the radiating fin is equivalent to that of the battery piece, and the upper surface and the lower surface of the radiating fin are completely attached to the surfaces of the upper battery piece and the lower battery piece. After the structure is adopted, a stack of battery pieces which are stacked up and down can be uniformly radiated through the radiating fins of each layer structure.

When the technical scheme is realized, at least the following defects exist: 1. the fin is located between the battery piece, and its inside ventilation hole that sets up dispels the heat, just can guarantee comparatively good radiating effect when only having the air to flow, and the edge of battery piece still can receive illumination in addition and lead to the decay. Therefore, we propose a heat dissipation structure of a PERC battery light attenuation resistance device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat radiation structure of PERC battery light attenuation equipment, through set up the aluminum sheet between the battery piece, and make its be connected with the attached aluminum plate in battery piece both sides, make aluminum surface be provided with a plurality of heat radiation fins, the aluminum sheet can absorb the heat and convey to aluminum plate through heat radiation fins effluvium, the heat dissipation that also can be better when not having the air flow, and the attached aluminum plate in battery piece both sides, avoid the battery piece edge to receive illumination, the problem that proposes in the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: a heat dissipation structure of a PERC battery light attenuation resistance device comprises a plurality of battery pieces and two aluminum plates, wherein the two aluminum plates are attached to two sides of each battery piece;

it is adjacent insert between the battery piece and be fixed with the aluminum sheet, the area of aluminum sheet is the same with the cross sectional area of battery piece, and the both ends and the aluminum plate of aluminum sheet are connected, aluminum plate's surface is provided with heat radiation fins, and heat radiation fins is a plurality of, and the even distribution of a plurality of heat radiation fins is on aluminum plate surface, top the fixed surface of battery piece has upper electrode, below the fixed surface of battery piece has the lower electrode.

As a preferred embodiment of the present invention, the heat conductive silicone sheet is attached to the top and bottom surfaces of the aluminum sheet, and the heat conductive silicone sheet is attached to the surface of the battery piece.

As a preferred embodiment of the present invention, the plurality of the battery pieces are connected in series, and the upper electrode and the lower electrode are electrically connected to the positive electrode and the negative electrode of the battery piece.

As a preferred embodiment of the present invention, the thickness of the aluminum sheet is 2mm, and the thickness of the heat dissipation fins is 1 mm.

As a preferred embodiment of the present invention, the aluminum plate is connected to the heat dissipation fins as an integral structure.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a PERC battery anti light decay equipment's heat radiation structure through setting up the aluminum sheet between the battery piece to make its and the attached aluminum plate in battery piece both sides be connected, make aluminum surface be provided with a plurality of heat radiation fins, the aluminum sheet can absorb the heat and convey to aluminum plate through heat radiation fins effluvium, also can better heat dissipation when not having the air flow, and the attached aluminum plate in battery piece both sides avoids the battery piece edge to receive illumination.

2. The utility model discloses a PERC battery light attenuation equipment's heat radiation structure, top and below surface through making the aluminum sheet are all attached with heat conduction silicon film, and heat conduction silicon film is attached on the surface of battery piece, and make aluminum sheet and battery piece contact closely through heat conduction silicon film, guarantee thermal transmission.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the overall structure of the heat dissipation structure of the PERC battery light attenuation prevention device of the present invention;

fig. 2 is a detailed structural schematic diagram of a position a of the heat dissipation structure of the PERC battery light attenuation prevention device of the present invention.

In the figure: 1. a battery piece; 2. an aluminum plate; 3. an upper electrode; 4. a lower electrode; 5. heat dissipation fins; 6. aluminum sheets; 7. a heat-conducting silica gel sheet.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: a heat dissipation structure of a PERC battery light attenuation resistance device comprises a plurality of battery pieces 1 and two aluminum plates 2, wherein the two aluminum plates 2 are attached to two sides of each battery piece 1;

it is adjacent insert between the battery piece 1 and be fixed with aluminum sheet 6, the area of aluminum sheet 6 is the same with the cross sectional area of battery piece 1, and the both ends and the aluminum plate 2 of aluminum sheet 6 are connected, aluminum plate 2's surface is provided with heat radiation fins 5, and heat radiation fins 5 are a plurality of, and the even distribution of a plurality of heat radiation fins 5 is on aluminum plate 2 surface, top the fixed surface of battery piece 1 has last electrode 3, below the fixed surface of battery piece 1 has bottom electrode 4.

In this embodiment (please refer to fig. 1 and 2), the aluminum sheet 6 is disposed between the battery pieces 1 and connected to the aluminum plates 2 attached to the two sides of the battery pieces 1, so that the surface of the aluminum plate 2 is provided with a plurality of heat dissipation fins 5, the aluminum sheet 6 can absorb and transmit heat to the aluminum plate 2 to be dissipated through the heat dissipation fins 5, and the heat can be dissipated better when no air flows, and the aluminum plates 2 are attached to the two sides of the battery pieces 1 to prevent the edges of the battery pieces 1 from being illuminated.

The heat-conducting silica gel sheets 7 are attached to the upper surface and the lower surface of the aluminum sheet 6, and the heat-conducting silica gel sheets 7 are attached to the surfaces of the battery pieces 1.

In this embodiment (see fig. 2), the heat-conducting silicone sheets 7 are attached to the upper and lower surfaces of the aluminum sheet 6, the heat-conducting silicone sheets 7 are attached to the surfaces of the battery sheets 1, and the aluminum sheet 6 is tightly contacted with the battery sheets 1 through the heat-conducting silicone sheets 7, so as to ensure heat transmission.

The plurality of battery slices 1 are connected in series, and the upper electrode 3 and the lower electrode 4 are electrically connected with the positive electrode and the negative electrode of the battery slice 1.

Wherein, the thickness of aluminum sheet 6 is 2mm, and the thickness of radiator fin 5 is 1 mm.

Wherein, the aluminum plate 2 and the radiating fins 5 are connected into an integral structure.

It should be noted that, the utility model relates to a heat radiation structure of PERC battery anti light decay equipment, including battery piece 1, aluminum plate 2, upper electrode 3, bottom electrode 4, heat radiation fins 5, aluminum sheet 6, heat conduction silica gel piece 7, the part is the part that general standard component or the technical staff in the field know, its structure and principle all learn or learn through conventional experimental method for technical staff's accessible technical manual in the field, in operation, the electric quantity of battery piece 1 transmits for outside consumer through upper electrode 3 and bottom electrode 4, when battery piece 1 work produces the heat, transmit for aluminum sheet 6 through heat conduction silica gel 7, then transmit for aluminum plate 2, later in giving off to the air through heat radiation fins 5 in its surface, the good heat dissipation of battery piece 1 has been guaranteed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a heat radiation structure of PERC battery anti light decay equipment, includes battery piece (1) and aluminum plate (2), its characterized in that: the number of the battery pieces (1) is multiple, the number of the aluminum plates (2) is two, and the two aluminum plates (2) are attached to two sides of each battery piece (1);

it is adjacent insert between battery piece (1) and be fixed with aluminum sheet (6), the area of aluminum sheet (6) is the same with the cross sectional area of battery piece (1), and the both ends and aluminum plate (2) of aluminum sheet (6) are connected, the surface of aluminum plate (2) is provided with heat radiation fins (5), and heat radiation fins (5) are a plurality of, and a plurality of heat radiation fins (5) even distribution are on aluminum plate (2) surface, top the fixed surface of battery piece (1) has last electrode (3), below the fixed surface of battery piece (1) has bottom electrode (4).

2. The heat dissipation structure of a PERC battery light attenuation prevention device of claim 1, wherein: the heat-conducting silica gel sheets (7) are attached to the surfaces of the upper part and the lower part of the aluminum sheet (6), and the heat-conducting silica gel sheets (7) are attached to the surfaces of the battery pieces (1).

3. The heat dissipation structure of a PERC battery light attenuation prevention device of claim 1, wherein: the plurality of battery pieces (1) are connected in series, and the upper electrode (3) and the lower electrode (4) are electrically connected with the positive electrode and the negative electrode of the battery pieces (1).

4. The heat dissipation structure of a PERC battery light attenuation prevention device of claim 1, wherein: the thickness of the aluminum sheet (6) is 2mm, and the thickness of the radiating fins (5) is 1 mm.

5. The heat dissipation structure of a PERC battery light attenuation prevention device of claim 1, wherein: the aluminum plate (2) and the radiating fins (5) are connected into an integral structure.