CN203289818U - Heat-radiation junction box cover - Google Patents

Abstract

The utility model discloses a heat-radiation junction box cover which relates to a heat-radiation junction box and comprises a cover. The cover is internally provided with an accommodating cavity. An upper part of the cover is a heat-radiation cover. The heat-radiation cover is composed of a plurality of radiating fins which are woven in a honeycombed shape. Four angular positions of the cover are respectively provided with a screw installing through hole. According to the heat-radiation junction box cover, the upper part of the cover is provided with the heat-radiation cover, the inner cavity of the heat-radiation cover and the inner cavity of the cover form the integral accommodation cavity of a large capacity, and thus the cover of the heat-radiation junction box is arranged in an effective and reasonable manner. The heat-radiation cover is in a honeycombed shape or is formed by sheet-shaped radiating fins which are uniformly distributed, so that the heat radiation surface of the heat-radiation junction box cover is increased, and the heat-radiation property of a junction box is improved. In addition, the radiating fins also serve as reinforcing ribs. When bearing pressure from screws and a sealing ring, the heat-radiation junction box cover will not be deformed like being bent or raised, thereby guaranteeing the sealing property of the junction box.

Description

Heat Dissipation Junction Box Cover

technical field

The utility model relates to the technical field of electric connectors, relates to a distribution box cover with a heat dissipation function, in particular to a heat dissipation distribution box cover, which is suitable for distribution boxes of new energy vehicles, industrial equipment and urban rails, especially It is suitable for junction boxes for energy integration and distribution in new energy vehicles. the

Background technique

The junction box is generally composed of a junction box cover and a junction box cover plate; the junction box cover in the prior art is generally made of metal or plastic material, and its cross-section is a "concave" or rectangular flat structure; Often the junction box cover of the junction box will be warped and deformed by the pressure of the fixing screw and the sealing ring, which makes the junction box not well sealed, so that the junction box cannot meet the sealing requirements of actual use. If the junction box cover is not easy to warp due to the pressure of the fixing screw and the pressure of the sealing ring, the thickness of the junction box cover must be increased, but this will increase the quality of the junction box cover and increase the weight of the junction box cover. The volume increases the cost of the junction box cover. The junction boxes used in new energy vehicles are all high-current junction boxes, which will generate a lot of heat during operation. The junction box with a traditional structure junction box cover has a certain surface area, and the sealing of the junction box , so that the heat dissipation of the junction box is not good. It can be seen that the junction box using the traditional structure junction box cover can no longer meet the requirements of the current industrial field, especially the new energy vehicle field, for the junction box to be small in size, high in sealing performance, and good in heat dissipation. the

Utility model content

Aiming at the deficiencies in the prior art, the purpose of this utility model is to provide a heat dissipation distribution box cover, which improves the structure of the box cover, so that the structure of the distribution box cover and the box cover plate Together, a junction box with high sealing performance and excellent heat dissipation performance can be obtained, which can effectively solve the above technical problems. the

The purpose of this utility model is achieved through the following technical solutions:

A heat-dissipating distribution box cover, comprising a box cover, the inside of the box cover is provided with an accommodating cavity, and the upper part of the box cover is a heat-dissipating cover. the

The utility model provides a preferred heat dissipation cover structure technical solution: the heat dissipation cover is woven into a honeycomb shape by a plurality of heat dissipation fins horizontally and vertically. the

The utility model provides another preferred structural technical solution of the heat dissipation cover as follows: the heat dissipation cover is arranged in parallel with several heat dissipation fins. the

The utility model provides a preferred box cover shape technical proposal as follows: the box cover as a whole is in the shape of a cuboid or a cube. the

In order to make the heat dissipation distribution box cover and the box cover better cooperate and connect, the four corners of the box cover are respectively provided with screw installation through holes, so that the heat dissipation distribution box cover and the box cover are connected by screws. Realize detachable airtight connection. the

Preferably, the box cover is in the shape of a cuboid as a whole, and the heat sink forms a certain angle with the side line of the box cover, and the angle is 10 degrees to 80 degrees. the

Compared with the prior art, the utility model has the following advantages and beneficial effects:

(1) The upper part of the box cover of the utility model is a heat dissipation cover, and the inner cavity of the heat dissipation cover and the inner cavity of the box cover form an integral accommodating cavity, so that the volume of the accommodating cavity is larger, and the layout is more effective and reasonable Removed the cover of the thermal junction box. The cooling cover is made of honeycomb-shaped or evenly distributed sheet-shaped heat sinks, which can increase the heat dissipation surface area of the junction box cover and help to improve the heat dissipation of the junction box; at the same time, the heat sink can also act as a reinforcing rib Function, when the junction box cover is subjected to the pressure of the fixing screw and the sealing ring, the heat dissipation junction box cover will not be warped and deformed, thus ensuring the tightness of the junction box. the

(2) The accommodating cavity provided inside the utility model has the effect of increasing the internal space of the junction box, thereby helping to reduce the volume of the junction box; the junction box cover in the utility model does not increase a lot Under the premise of product weight and cost, it can also well meet the requirements of the current industrial field, especially the new energy vehicle field, for the use of junction boxes with small volume, high sealing performance, and good heat dissipation, and has high practical value. the

Description of drawings

Figure 1 is a schematic diagram of the assembly of the heat dissipation distribution box cover and the box cover plate;

Fig. 2 is a schematic diagram of the external structure of a heat dissipation cover arrangement of the heat dissipation junction box cover;

FIG. 3 is a schematic diagram of the external structure of another heat dissipation cover arrangement of the heat dissipation junction box cover. the

Among them, the names corresponding to the reference signs in the accompanying drawings are:

1-box cover, 11-radiating cover, 12-screw installation through hole, 13-accommodating cavity, 2-box cover plate. the

Detailed ways

Below in conjunction with embodiment the utility model is described in further detail:

Example

As shown in Figures 1 to 3, a heat dissipation distribution box cover includes a box cover 1, and the inside of the box cover 1 is provided with an accommodation cavity 13. The upper part of the box cover 1 is a heat dissipation cover 11, and the heat dissipation cover 11 is placed on The content of the cover 1 forms a cavity, which communicates with the accommodation cavity 13, which increases the volume of the accommodation cavity 13, effectively rationalizes the overall structure of the heat dissipation distribution box cover, and reduces its overall weight. After the heat dissipation junction box cover and the box cover plate 2 are connected together, the heat dissipation junction box can be formed. the

Fig. 2 shows a preferred structural technical solution of the heat dissipation cover 11 of the present invention, the heat dissipation cover 11 is composed of several heat dissipation fins weaved horizontally and vertically into a honeycomb shape. the

Fig. 3 shows another preferred structural technical solution of the heat dissipation cover 11 of the present invention, the heat dissipation cover 11 is arranged in parallel with several heat dissipation fins. A further preferred technical solution is: the box cover 1 is in the shape of a cuboid as a whole, and all the cooling fins form a certain angle with the side line of the box cover 1, and the angle is 10-80 degrees. The formed angle is preferably 60 degrees. the

As shown in FIGS. 1 to 3 , the preferred box cover 1 of this embodiment is in the shape of a cuboid or a cube as a whole. the

As shown in Figures 1 to 3, the four corners of the preferred box cover 1 of this embodiment are respectively provided with screw installation through holes 12, as shown in Figure 1, the shape of the box cover plate 2 of this embodiment is consistent with that of the box cover 1 are matched with each other, and the four corners of the box cover plate 2 are respectively provided with screw installation through holes 12 correspondingly. Like this, when box cover plate 2 is installed on box cover 1 bottom, box cover plate 2 and the screw installation through hole 12 of box cover 1 overlap and penetrate each other, after screw installation through hole 12 runs through installation screw, just can realize this heat dissipation. Wire box cover is detachably airtightly connected with box cover plate 2. the

As shown in Figure 2 and Figure 3, the cooling fins 11 of the heat dissipation cover 11 can act as reinforcing ribs. After the box cover 1 is connected with the box cover plate 2 by screws, the box cover 1 is subjected to the pressure of the fixing screw and the pressure of the sealing ring. It will not be warped and deformed, thereby ensuring the tightness of the heat dissipation junction box (composed of the box cover 1 and the box cover plate 2), and will not increase the overall weight of the heat dissipation junction box. The heat dissipation fins 11 of the heat dissipation cover 11 increase the heat dissipation surface area of the box cover 1, which helps to improve the heat dissipation performance of the heat dissipation junction box during use. the

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models. the

Claims (6)

1. A heat dissipation distribution box cover, including a box cover (1), characterized in that: the inside of the box cover (1) has a cavity (13), and the upper part of the box cover (1) is a heat dissipation cover ( 11). 2. The heat dissipation junction box cover according to claim 1, characterized in that: the heat dissipation cover (11) is composed of several heat dissipation fins woven horizontally and vertically into a honeycomb shape. 3. The heat dissipation junction box cover according to claim 1, characterized in that: the heat dissipation cover (11) is arranged in parallel with several heat dissipation fins. 4. The heat dissipation distribution box cover according to claim 1, characterized in that: the box cover (1) is in the shape of a cuboid or a cube as a whole. 5. The heat dissipation distribution box cover according to claim 4, characterized in that: the four corners of the box cover (1) are respectively provided with screw installation through holes (12). 6. The heat dissipation distribution box cover according to claim 3, characterized in that: the box cover (1) is in the shape of a cuboid as a whole, and the heat sink and the side line of the box cover (1) form a certain angle, and the angle is 10 degrees to 80 degrees.

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