Protective shell of battery circuit breaking unit and battery circuit breaking unit

Abstract

The utility model relates to the field of batteries of electric automobiles, in particular to a protective shell of a battery circuit breaking unit and the battery circuit breaking unit. The protective shell comprises an upper shell body, a lower shell body and a protective cover. The protective cover comprises a cover body and a supporting part; the upper shell and the lower shell are matched to form a cavity for accommodating the battery circuit breaking unit, and the length of the upper shell is smaller than that of the lower shell so as to form an exposed wire outlet port; the cover body is hinged to the end, close to the wire outlet port, of the upper shell, and the bottom of the cover body can be connected with the supporting part, so that the cover body is in contact support with the lower shell under the condition that the cover body rotates to be parallel to the upper shell. According to the protective shell, the protective cover is hinged to the wire outlet port of the circuit breaking unit, so that the electric shock risk of personnel in the operation process can be avoided while the electric devices in the shell are effectively protected, and the mounting and dismounting efficiency and the maintenance efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the field of batteries of electric vehicles, in particular to a protective shell of a battery disconnecting unit and the battery disconnecting unit. Background Art

[0002] In the prior art, the battery circuit breaker unit is an important unit in the high-voltage circuit of new energy vehicles, and is mainly used to disconnect the circuit output of the battery pack of electric vehicles. When the shell of the battery circuit breaker unit is connected to other functional units of the battery pack through a circuit, a protective cover structure is usually required at the connection point to protect the internal electrical components of the battery circuit breaker unit, and effectively shield the exposed position of the shell of the battery circuit breaker unit and the external connection copper bar to avoid the risk of electric shock during operation; however, the protective cover of the existing battery circuit breaker unit is generally connected by screws. At the same time, due to the limitation of the operating space, the assembly and disassembly of the protective cover is relatively difficult, which affects the production and maintenance efficiency, and there is a risk of screws being lost or falling into the shell of the battery circuit breaker unit during the disassembly and installation process; and the snap connection set in the prior art still has problems such as inconvenient installation and disassembly, slight shaking after installation, and abnormal noise. Utility Model Content

[0003] In order to overcome the above technical problems, the utility model provides a protective shell of a battery circuit breaker unit and a battery circuit breaker unit. The protective shell is hinged to the outlet port of the circuit breaker unit by setting a protective cover, which can improve the installation and disassembly efficiency while protecting the electrical components in the shell, thereby improving the maintenance efficiency. At the same time, the limit buckle and the boss are used together to avoid slight shaking and abnormal noise after installation.

[0004] In order to achieve the above-mentioned object, the utility model provides a protective shell of a battery circuit breaker unit, comprising:

[0005] Upper shell;

[0006] A lower shell, disposed at the bottom of the upper shell, and used to cooperate with the upper shell to form a cavity for accommodating the battery disconnecting unit, wherein the length of the upper shell is smaller than that of the lower shell to form an exposed outlet port;

[0007] Protective cover, including:

[0008] A cover body, hinged to one end of the upper shell body close to the outlet port;

[0009] The support portion is connected to the bottom of the cover body and is used for contacting and supporting the lower shell body when the cover body is rotated to be parallel to the upper shell body.

[0010] Preferably, a notch is provided on the top of the lower shell body close to the outlet port, and the support portion is used to cooperate with the notch to form the outlet port when in contact with and supported by the top of the lower shell body.

[0011] Preferably, the support portion comprises:

[0012] An end plate connected to the cover body and used to abut against a side wall of the notch close to the outside;

[0013] A vertical plate is connected to the cover body and the end plate.

[0014] Preferably, a notch is provided on the vertical plate, and a limit buckle is provided in the notch.

[0015] Preferably, a boss for cooperating with the position-limiting buckle is provided on the side surface of the lower shell.

[0016] Preferably, the limiting buckle is hinged at two ends of the notch.

[0017] Preferably, a mounting handle is provided on the cover body.

[0018] Preferably, an outwardly protruding anti-slip plate is provided at the top end of the limiting buckle.

[0019] Preferably, a rotation axis latch is provided on the cover body, a rotation axis slot is provided at one end of the upper shell body close to the outlet port, and the rotation axis latch is limitedly hinged to the rotation axis slot.

[0020] The second aspect of the utility model provides a battery disconnect unit, the battery disconnect unit comprising any of the protective shells as described above and a battery disconnect unit body.

[0021] Through the above technical solution, the protective shell is hinged to the outlet port of the battery circuit breaker unit by setting a protective cover, which can avoid the occurrence of problems such as screws being lost or falling into the shell of the circuit breaker unit to cause damage, thereby improving the efficiency of installation and disassembly and facilitating maintenance; at the same time, the limit buckle and the boss are set to cooperate to enhance the stability of the battery circuit breaker unit shell assembly and avoid slight shaking and abnormal noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of a protective shell of a battery disconnect unit according to an embodiment of the utility model;

[0023] Figure 2 It is a structural schematic diagram of a protective cover of a protective shell of a battery disconnect unit according to an embodiment of the utility model;

[0024] Figure 3It is a structural schematic diagram of a lower shell of a protective shell of a battery disconnect unit according to an embodiment of the utility model;

[0025] Figure 4 It is a partially enlarged schematic diagram of the connection between the upper shell and the protective cover of the protective shell of the battery disconnect unit according to one embodiment of the utility model.

[0026] Description of Reference Numerals

[0027] 1. Upper shell 2. Lower shell

[0028] 3. Outlet port 4. Protective cover

[0029] 5. Cover 6. Support

[0030] 7. Notch 8. End plate

[0031] 9. Vertical plate 10. Notch

[0032] 11. Limit buckle 12. Boss

[0033] 13. Install handlebars 14. Anti-skid plate

[0034] 15. Rotation shaft latch 16. Rotation shaft slot DETAILED DESCRIPTION

[0035] The specific implementation of the embodiment of the utility model is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model.

[0036] In the embodiments of the present invention, unless otherwise specified, directional words such as "up, down, top, bottom" are usually used with reference to the directions shown in the drawings or are used to describe the relative positional relationships of components in the vertical, perpendicular or gravity direction.

[0037] In addition, if there are descriptions involving "first", "second", etc. in the implementation of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various implementations can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0038] like Figure 1FIG. 1 is a schematic diagram of the structure of a protective shell of a battery disconnect unit according to an embodiment of the present utility model; Figure 2 FIG. 1 is a schematic diagram of the structure of a protective cover of a protective shell of a battery disconnect unit according to an embodiment of the utility model; Figure 2 and Figure 3 In the embodiment, the protective shell of the battery disconnecting unit may include an upper shell 1, a lower shell 2 and a protective cover 4, and the protective cover 4 may include a cover body 5 and a support portion 6. Specifically, a lower shell 2 may be provided at the bottom of the upper shell 1, and the upper shell 1 and the lower shell 2 cooperate to form a cavity for accommodating the battery disconnecting unit, and the length of the upper shell 1 should be less than the length of the lower shell 2 to form an exposed outlet port 3; the cover body 5 on the protective cover may be hinged to one end of the upper shell 1 close to the outlet port 3, and the bottom of the cover body 5 may be connected to the support portion 6, so that when the cover body 5 is rotated to be parallel to the upper shell 1, it is in contact with the lower shell 2 for support.

[0039] Through the above-mentioned protective shell, the protective shell is hinged to the outlet port of the circuit breaker unit by arranging a protective cover, which can protect the electrical components in the shell while avoiding the risk of electric shock during operation, thereby improving the efficiency of installation and disassembly and maintenance efficiency.

[0040] exist Figure 1 and Figure 2 In order to facilitate the connection between the battery circuit breaker unit and the external connection copper busbar, a notch 7 should be left on the protective shell. The position of the notch 7 can be a variety of positions known to those skilled in the art. In one embodiment of the utility model, the lower shell 2 can be provided with a notch 6 near the top of the outlet port 3. The support portion 6 is used to cooperate with the notch 7 to form the outlet port 3 when in contact with the top of the lower shell 2 for support.

[0041] like Figure 3 FIG. 1 is a schematic diagram of the structure of the lower shell of the protective shell of the battery disconnect unit according to an embodiment of the utility model; Figure 1 , Figure 2 and Figure 3 In order to facilitate the support portion 6 of the protective cover to support the protective cover 4 to protect the exposed outlet port 3 and avoid shaking and tilting of the protective cover 4, the shape of the support portion 6 matches the upper shell 1 and the lower shell 2. In one embodiment of the utility model, the support portion 6 may include an end plate 8 and a vertical plate 9. Specifically, the end plate 8 can be connected to the cover body 5 to abut against the side wall close to the outside of the notch 7. The vertical plate 9 can be connected to the cover body 5 and the end plate 8 to support the cover body 5.

[0042] exist Figure 2In order to facilitate the quick locking of the protective cover 4 and improve the installation strength of the protective shell, and also to avoid the problem of the screws being lost or falling into the protective shell when installing with screws, a limited locking buckle can be provided on the protective cover 4. In one embodiment of the utility model, a recess 10 can be provided on the vertical plate 9, and a limited buckle 11 is provided in the recess 10. A boss 12 for cooperating with the limited buckle 11 is provided on the side of the lower shell 2. The limited cooperation between the two can realize the closing and locking of the protective cover 4.

[0043] exist Figure 2 In order to facilitate the locking action of the limit buckle 11 and prevent the limit buckle 11 from falling off, the connection method between the limit buckle 11 and the recess 10 can be various known to those skilled in the art. In one embodiment of the utility model, the limit buckle 11 can be hinged at both ends of the recess 10, so as to achieve opening or closing when pressed.

[0044] exist Figure 2 In order to facilitate the lifting of the protective cover 4, in one embodiment of the utility model, a mounting handle 13 can be provided on the cover body 5. The presence of the mounting handle 13 can help maintenance personnel to smoothly lift the protective cover 4 and improve maintenance efficiency.

[0045] exist Figure 2 In order to prevent the finger from easily falling out of the limit buckle 11 when the limit buckle 11 is pressed, in one embodiment of the utility model, the top of the limit buckle 11 can be provided with an outwardly protruding anti-slip plate 14, so that when the limit buckle 11 is pressed, the press-open or press-close operation can be smoothly performed, thereby improving maintenance efficiency.

[0046] like Figure 4 The figure is a partial enlarged schematic diagram of the connection between the upper shell and the protective cover of the protective shell of the battery disconnect unit according to one embodiment of the utility model; Figure 1 and Figure 4 In order to maintain the stable rotation of the protective cover 4 while facilitating the removal of the protective cover 4, in one embodiment of the utility model, a rotation shaft pin 15 can be provided on the cover body 5, and a rotation shaft slot 16 can be provided at one end of the upper shell body 1 close to the outlet port 3, and the rotation shaft pin 15 can be limitedly hinged to the rotation shaft slot 16.

[0047] Another aspect of the utility model provides a battery disconnect unit, the battery disconnect unit comprising any of the above-mentioned protective shells and a battery disconnect unit body.

[0048] Through the above technical solution, the protective shell is hinged to the outlet port of the battery circuit breaker unit by setting a protective cover, which can avoid the occurrence of problems such as screws being lost or falling into the shell of the circuit breaker unit to cause damage, improve the efficiency of installation and disassembly, and facilitate maintenance; at the same time, the limit buckle and the boss are set to cooperate to enhance the stability of the battery circuit breaker unit shell assembly and avoid slight shaking and abnormal noise

[0049] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention. It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0050] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A protective shell of a battery circuit breaker unit, characterized in that: include: Upper shell; A lower shell, disposed at the bottom of the upper shell, and used to cooperate with the upper shell to form a cavity for accommodating the battery disconnecting unit, wherein the length of the upper shell is smaller than that of the lower shell to form an exposed outlet port; Protective cover, including: A cover body, hinged to one end of the upper shell body close to the outlet port; The support portion is connected to the bottom of the cover body and is used for contacting and supporting the lower shell body when the cover body is rotated to be parallel to the upper shell body.

2. The protective shell according to claim 1, characterized in that: The lower shell is provided with a notch near the top of the outlet port, and the support portion is used to cooperate with the notch to form the outlet port when in contact with the top of the lower shell for support.

3. The protective shell according to claim 2, characterized in that: The support portion comprises: An end plate connected to the cover body and used to abut against a side wall of the notch close to the outside; A vertical plate is connected to the cover body and the end plate.

4. The protective shell according to claim 3, characterized in that: The vertical plate is provided with a notch, and a limit buckle is provided in the notch.

5. The protective shell according to claim 4, characterized in that: A boss for cooperating with the position-limiting buckle is arranged on the side surface of the lower shell.

6. The protective shell according to claim 4, characterized in that: The limiting buckle is limitedly hinged at two ends of the notch.

7. The protective shell according to claim 6, characterized in that: The cover body is provided with a mounting handle.

8. The protective shell according to claim 7, characterized in that: The top end of the limit buckle is provided with an anti-slip plate protruding outwards.

9. The protective shell according to claim 1, characterized in that: The cover body is provided with a rotation shaft latch, and one end of the upper shell body close to the outlet port is provided with a rotation shaft slot, and the rotation shaft latch is limitedly hinged to the rotation shaft slot.

10. A battery disconnect unit, characterized in that: The battery disconnect unit comprises a protective shell as described in any one of claims 1 to 9 and a battery disconnect unit body.

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