CN219436951U

CN219436951U - Junction box with heat radiation structure

Info

Publication number: CN219436951U
Application number: CN202320321557.XU
Authority: CN
Inventors: 邰小俊; 蔡慧明; 李湘涛; 苏大建; 钱兴
Original assignee: Suzhou Tongtai New Energy Technology Co ltd
Current assignee: Suzhou Tongtai New Energy Technology Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-07-28
Anticipated expiration: 2033-02-27

Abstract

The utility model relates to a terminal box heat dissipation field especially relates to a terminal box with heat radiation structure, including the box body, be equipped with the lid on the box body, be equipped with the electric module that connects in the box body, be equipped with in the box body and be used for carrying out radiating heat dissipation module to the electric module, heat dissipation module includes the third fin, and the third fin is installed in the box body, and the third fin links to each other with electric module that connects, the application has improved the not good problem of radiating effect of terminal box among the traditional mode, can reach the effect that improves the radiating efficiency of terminal box.

Description

Junction box with heat radiation structure

Technical Field

The utility model relates to the field of junction box heat dissipation, in particular to a junction box with a heat dissipation structure.

Background

In the photovoltaic industry, a junction box is an important component in a photovoltaic module, and is a device for connecting electric power generated by a solar cell with an external circuit, and is used for conducting current generated by the photovoltaic module.

The terminal box is the continuous conduction electric current in the in-process of using, and its inside electric module that connects can generate heat in the in-process of using, leads to being located in the box body and connects the local position temperature near electric module too high, and the heat of electric module in traditional mode is on through the air transfer to the terminal box, then in passing through the terminal box body transfer to external environment to realize radiating effect. However, such a method has low heat dissipation efficiency, and is prone to excessively high temperatures near the power receiving module, thereby affecting current conduction.

Disclosure of Invention

In order to improve the heat dissipation efficiency of the junction box, the application provides a junction box with a heat dissipation structure.

The application provides a terminal box with heat radiation structure adopts following technical scheme:

the utility model provides a terminal box with heat radiation structure, includes the box body, be equipped with the lid on the box body, be equipped with the electric module that connects in the box body, be equipped with the heat dissipation module that is used for carrying out radiating to the electric module in the box body, the heat dissipation module includes the third fin, the third fin is installed in the box body, just the third fin links to each other with the electric module.

Through adopting above-mentioned technical scheme, when the terminal box is in operating condition, dispel the heat to the electric module through the heat dissipation module that sets up in the box body, when the heat dissipation, absorb the heat that the electric module distributes out through the third fin to with the box body is given out to the heat dissipation of absorption, thereby conveniently cool down the terminal box, thereby improved the radiating efficiency of terminal box.

In a specific embodiment, the heat dissipating module further includes a first heat dissipating fin, the first heat dissipating fin is mounted in the box, and the first heat dissipating fin is located at one side of the power receiving module, and the first heat dissipating fin is connected to one end of the third heat dissipating fin.

Through adopting above-mentioned technical scheme, when the heat dissipation, through first fin, increased the heat absorption area to the radiating effect of heat dissipation module has been improved.

In a specific embodiment, the heat dissipation module further includes a second heat dissipation fin, the second heat dissipation fin is installed in the box body, and the second heat dissipation fin is located at the other side of the power connection module, and the second heat dissipation fin is connected with the other end of the third heat dissipation fin.

Through adopting above-mentioned technical scheme, when dispelling the heat, through second fin cooperation first fin, third fin, further increased the heat absorption area to the radiating effect has further been improved.

In a specific embodiment, a gap exists between the side walls of the first heat sink and the second heat sink and the inner wall of the case.

Through adopting above-mentioned technical scheme, make and have the clearance between lateral wall and the box body inner wall of first fin and second fin for first fin and second fin pass through the air with heat transfer to the box body on, thereby realize radiating effect.

In a specific embodiment, the first and second heat sinks are each less than the height of the case.

Through adopting above-mentioned technical scheme, highly setting to be less than the height of box body with first fin and second fin, conveniently to the glue filling in the box body.

In a specific embodiment, the side walls of the first heat sink and the second heat sink, which are close to the inner wall of the case, are both wavy.

Through adopting above-mentioned technical scheme, when the lateral wall of first fin and second fin set up into the wave, can further improve the heat absorption area of first fin and second fin to improve radiating efficiency.

In a specific embodiment, the first heat sink and the second heat sink are detachably provided with a length stacking piece along the length direction of the box body.

Through adopting above-mentioned technical scheme, with first fin and second fin through length stack piece stack in length direction to increased the radiating area of first fin and second fin, thereby improved the radiating effect. Meanwhile, the length stacking sheets are additionally arranged to adapt to junction boxes with different length sizes, so that a better heat dissipation effect is achieved.

In a specific embodiment, the first heat sink and the second heat sink are detachably provided with thickness overlapping sheets on the side wall close to the inner wall of the box body.

Through adopting above-mentioned technical scheme, with first fin and second fin through thickness stack piece superpose in the thickness direction, make the fin can absorb more heat to reach the heat absorption capacity that increases first fin and second fin, thereby improve radiating efficiency.

In a specific implementation manner, a first mounting groove is formed in the first radiating fin near the third radiating fin, a second mounting groove is formed in the second radiating fin at a position opposite to the first mounting groove, mounting bosses corresponding to the first mounting groove and the second mounting groove are arranged in the box body, and the third radiating fin is connected with the mounting boss.

Through adopting above-mentioned technical scheme, when first fin and second fin are installed in the box body, mounting groove one and mounting groove two are convenient for the screens installation of first fin and second fin, conveniently make first fin and second fin remain stable. And meanwhile, the third radiating fins are arranged on the mounting boss so as to keep the stability of the third radiating fins, thereby improving the radiating effect.

In a specific implementation manner, the mounting boss is provided with a positioning column, the third cooling fin is provided with a positioning hole, and the third cooling fin is mounted on the positioning column through the positioning hole.

Through adopting above-mentioned technical scheme, the third fin passes through the locating hole and installs on the reference column of installation boss to keep the stability of third fin, reduce that the third fin appears rocking.

In summary, the present application includes at least one of the following beneficial effects:

1. this application is through setting up heat dissipation module, conveniently improves the radiating efficiency of terminal box through heat dissipation module to conveniently make the terminal box can be in suitable operating temperature.

2. This application is through setting up detachably length stack piece, conveniently adapts to not unidimensional terminal box through length stack piece, simultaneously through the length that increases first fin and second fin in order to increase the radiating area of first fin and second fin to reach better radiating effect.

3. This application is through the lateral wall with first fin and second fin and the inner wall non-contact of box body, and the heat on convenient first fin and the second fin passes through the air transfer to the box body outside to improve the radiating effect.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of the junction box of the present application.

Fig. 2 is a schematic installation diagram of a heat dissipation module according to a first embodiment of the present application.

Fig. 3 is an exploded view of a junction box according to a first embodiment of the present application.

Fig. 4 is a schematic structural diagram of a heat dissipation module according to an embodiment of the disclosure.

Fig. 5 is an exploded view of a junction box in a second embodiment of the present application.

Fig. 6 is an exploded view of a length-wise superimposed sheet in embodiment three of the present application.

Fig. 7 is an exploded view of a thickness-stacked sheet in a third embodiment of the present application.

Reference numerals illustrate:

1. a case body; 11. a mounting boss; 12. positioning columns; 2. a box cover; 3. a power connection module; 4. a heat dissipation module; 41. a first heat sink; 411. a first mounting groove; 42. a second heat sink; 421. a second mounting groove; 43. a third heat sink; 431. positioning holes; 44. a length superimposing sheet; 45. a first connecting block; 46. a second connecting groove; 47. a thickness-overlapped sheet; 48. a second connecting block; 49. and a first connecting groove.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-7.

Embodiment one:

the embodiment of the application discloses terminal box with heat radiation structure, refer to fig. 1 and 2, including box body 1, detachably installs lid 2 on the box body 1, and fixed mounting has electric module 3 and heat dissipation module 4 in the box body 1, and electric module 3 links to each other with heat dissipation module 4.

Referring to fig. 1 and 2, when the junction box works, heat emitted from the power module 3 is absorbed by the heat radiation module 4 and transferred to the outside of the box body 1, so that the effect of radiating the heat of the junction box is achieved.

Referring to fig. 3 and 4, the heat dissipation module 4 includes a first heat sink 41, a second heat sink 42, and a third heat sink 43, a sidewall of the first heat sink 41 is fixedly connected with a sidewall of the third heat sink 43, and a sidewall of the second heat sink 42 is fixedly connected with a sidewall of the third heat sink 43, such that the first heat sink 41, the second heat sink 42, and the third heat sink 43 form a heat dissipation frame for dissipating heat. The first cooling fin 41 is close to one end of the third cooling fin 43 and is provided with a first mounting groove 411, the second cooling fin 42 is close to one end of the third cooling fin 43 and is provided with a second mounting groove 421, the bottom wall of the box body 1 is fixedly provided with a mounting boss 11, the mounting boss 11 is fixedly provided with a positioning column 12, the third cooling fin 43 is provided with a positioning hole 431, the third cooling fin 43 is mounted on the positioning column 12 through the positioning hole 431, and the mounting boss 11 is positioned in the first mounting groove 411 and the second mounting groove 421. The first cooling fin 41 is located at one side of the power connection module 3, the second cooling fin 42 is located at the other side of the power connection module 3, and gaps exist between the side walls of the first cooling fin 41 and the second cooling fin 42 and the inner wall of the box body 1. The bottom wall of the power receiving module 3 abuts against the top wall of the third heat sink 43.

Referring to fig. 3 and 4, when the third heat sink 43 and the power receiving module 3 are mounted on the positioning post 12, the top end of the positioning post 12 is flattened, so that the third heat sink 43 and the power receiving module 3 are limited. When the power connection module 3 is in the working state, the heat emitted by the power connection module 3 is absorbed by the first radiating fin 41, the second radiating fin 42 and the third radiating fin 43, and the heat is transferred to the first radiating fin 41 and the second radiating fin 42, and the heat is transferred to the box body 1 through the first radiating fin 41 and the second radiating fin 42, and the heat is transferred to the external environment through the box body 1, so that the heat dissipation of the junction box is realized.

Referring to fig. 2, the heights of the first and second heat dissipation fins 41 and 42 are smaller than the height of the box body 1, so that the junction box can be conveniently filled with glue into the box body 1 during processing.

The working principle of the embodiment of the application is as follows: when the power connection module 3 works, heat emitted by the power connection module 3 is absorbed by the first radiating fin 41, the second radiating fin 42 and the third radiating fin 43, and heat on the third radiating fin 43 is dispersed to the first radiating fin 41 and the second radiating fin 42, and the heat on the first radiating fin 41 and the second radiating fin 42 is transmitted to the external environment through the box body 1, so that heat dissipation of the junction box is realized.

Embodiment two:

the embodiment of the present application is different from the first embodiment in that, referring to fig. 5, a side of the first heat sink 41 and the second heat sink 42 near the inner wall of the case 1 has a wave shape.

The working principle of the embodiment of the application is as follows: the heat emitted by the operation of the power receiving module 3 is absorbed by the first heat sink 41, the second heat sink 42 and the third heat sink 43, and the wavy side walls of the first heat sink 41 and the second heat sink 42 can absorb more heat, and the heat is finally transferred to the case 1 and then transferred to the external environment by the case 1, thereby completing the heat dissipation of the junction box.

Embodiment III:

the difference between the embodiment and the first embodiment of the present application is that, referring to fig. 6, one ends of the first heat sink 41 and the second heat sink 42 in the length direction are detachably connected with a length stacking piece 44, one ends of the first heat sink 41 and the second heat sink 42 in the length direction are provided with a connecting slot one 49, one ends of the length stacking piece 44 in the length direction are fixedly provided with a connecting block one 45, and the connecting block one 45 is inserted into the connecting slot one 49.

Referring to fig. 7, the first heat sink 41 and the second heat sink 42 are detachably connected with a thickness stacking plate 47 in the width direction, the side walls of the first heat sink 41 and the second heat sink 42, which are close to the box body 1, are provided with a second connecting groove 46, a second connecting block 48 is fixedly mounted on the side wall of the thickness stacking plate 47, and the second connecting block 48 is inserted into the second connecting groove 46.

The working principle of the embodiment of the application is as follows: the length stacking fin 44 is inserted into one end of the first heat sink 41 and one end of the second heat sink 42, so that the first heat sink 41 and the second heat sink 42 are extended in the length direction, thereby increasing the heat dissipation area and improving the heat dissipation effect. The thickness stacking fin 47 is inserted on the side walls of the first radiating fin 41 and the second radiating fin 42, so that the thickness of the first radiating fin 41 and the thickness of the second radiating fin 42 are increased, and the first radiating fin 41 and the second radiating fin 42 can absorb more heat, so that a better heat absorption effect is achieved.

The foregoing is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application are covered by the protection scope of this application.

Claims

1. The utility model provides a terminal box with heat radiation structure, includes box body (1), be equipped with lid (2) on box body (1), be equipped with in box body (1) and connect electric module (3), its characterized in that: be equipped with in box body (1) and be used for carrying out radiating heat dissipation module (4) to electric module (3), heat dissipation module (4) are including third fin (43), third fin (43) are installed in box body (1), just third fin (43) link to each other with electric module (3).

2. A junction box with a heat dissipation structure as defined in claim 1, wherein: the heat dissipation module (4) further comprises a first heat dissipation fin (41), the first heat dissipation fin (41) is installed in the box body (1), the first heat dissipation fin (41) is located on one side of the power connection module (3), and the first heat dissipation fin (41) is connected with one end of the third heat dissipation fin (43).

3. A junction box with a heat dissipation structure as defined in claim 2, wherein: the heat dissipation module (4) further comprises a second heat dissipation fin (42), the second heat dissipation fin (42) is installed in the box body (1), the second heat dissipation fin (42) is located at the other side of the power connection module (3), and the second heat dissipation fin (42) is connected with the other end of the third heat dissipation fin (43).

4. A junction box with heat dissipation structure as defined in claim 3, wherein: gaps are reserved between the side walls of the first radiating fins (41) and the second radiating fins (42) and the inner wall of the box body (1).

5. A junction box with heat dissipation structure as defined in claim 3, wherein: the heights of the first radiating fins (41) and the second radiating fins (42) are smaller than the height of the box body (1).

6. A junction box with heat dissipation structure as defined in claim 3, wherein: the side walls of the first radiating fins (41) and the second radiating fins (42) close to the inner wall of the box body (1) are all wavy.

7. A junction box with heat dissipation structure as defined in claim 3, wherein: the first radiating fin (41) and the second radiating fin (42) are detachably provided with a length stacking fin (44) along the length direction of the box body (1).

8. The junction box with heat dissipation structure as set forth in claim 7, wherein: the side walls of the first radiating fins (41) and the second radiating fins (42) close to the inner wall of the box body (1) are detachably provided with thickness stacking sheets (47).

9. A junction box with heat dissipation structure as defined in claim 3, wherein: the first radiating fin (41) is provided with a first mounting groove (411) close to a third radiating fin (43), the second radiating fin (42) is provided with a second mounting groove (421) at a position opposite to the first mounting groove (411), the box body (1) is internally provided with a mounting boss (11) corresponding to the first mounting groove (411) and the second mounting groove (421), and the third radiating fin (43) is connected with the mounting boss (11).

10. The junction box with heat dissipation structure as set forth in claim 9, wherein: the mounting boss (11) is provided with a positioning column (12), the third radiating fin (43) is provided with a positioning hole (431), and the third radiating fin (43) is mounted on the positioning column (12) through the positioning hole (431).