Detachable BDU fuse shunt module

Abstract

The utility model relates to a detachable BDU fuse shunt module, and belongs to the technical field of battery packs. The BDU fuse shunt module includes: a housing; the flow divider is arranged in the shell; the fuse is arranged in the shell, and the fuse and the shunt are distributed in parallel; the first connecting copper bar penetrates through the diverter and is conducted with the diverter, and the two ends of the first connecting copper bar are detachably connected with the shell; and the second connecting copper bar penetrates through the fuse and is conducted with the shunt, the two ends of the second connecting copper bar are detachably connected with the shell, and the second connecting copper bar is conducted with the opposite ends of the first connecting copper bar. According to the utility model, the diverter and the fuse are installed on the housing in a modularized manner through the first connecting copper bar and the second connecting copper bar, so that the diverter and the fuse are installed and detached separately, a certain device in the BDU housing can be detached and replaced independently when damaged, the operation is simple, and the cost is saved.

Description

Technical Field

[0001] This utility model relates to the field of battery pack technology, specifically to a detachable BDU fuse shunt module. Background Technology

[0002] BDU (Battery Disconnect Unit) is a crucial unit in the high-voltage circuit of new energy vehicles, primarily responsible for disconnecting the circuit output of the electric vehicle battery pack. The BDU housing is connected to other functional units in the battery pack via electrical circuitry. Currently, existing BDU modules are generally installed as a whole within the battery pack, requiring overall assembly, disassembly, and maintenance, which impacts production and repair efficiency. Utility Model Content

[0003] The purpose of this invention is to provide a detachable BDU fuse shunt module. The shunt and fuse are modularly mounted on the housing via a first and a second connecting copper busbar, allowing for separate installation and removal of the shunt and fuse. This enables individual replacement of any damaged component within the BDU housing, simplifying operation and saving costs.

[0004] To achieve the above objectives, this utility model provides a detachable BDU fuse shunt module, the BDU fuse shunt module comprising:

[0005] case;

[0006] A flow divider is disposed inside the housing;

[0007] The fuse is located inside the housing and is distributed alongside the shunt.

[0008] A first connecting copper busbar passes through the splitter and is in communication with the splitter; both ends of the first connecting copper busbar are detachably connected to the housing.

[0009] The second connecting copper busbar passes through the fuse and is connected to the shunt. Both ends of the second connecting copper busbar are detachably connected to the housing. The opposite ends of the second connecting copper busbar are connected to the first connecting copper busbar.

[0010] Optionally, the housing includes:

[0011] BDU lower housing;

[0012] The upper housing of the BDU, together with the lower housing of the BDU, covers the shunt and the fuse.

[0013] Optionally, the lower housing of the BDU includes:

[0014] Multiple mounting bases are arranged in parallel inside the lower housing of the BDU, and the first connecting copper busbar and the second connecting copper busbar are detachably connected to the mounting bases.

[0015] Optionally, the BDU fuse shunt module further includes:

[0016] A third connecting copper busbar is disposed on the mounting base, and the end of the third connecting copper busbar is used to connect and conduct with the end of the first connecting copper busbar or the second connecting copper busbar.

[0017] Optionally, the upper housing of the BDU is provided with a rotating groove and an insert bushing.

[0018] Optionally, the BDU fuse shunt module further includes a protective cover, the tail of which is provided with a rotating shaft that cooperates with the rotating groove to connect the upper housing of the BDU and the protective cover.

[0019] Optionally, the protective cover is provided with a buckle on its side for engaging with the upper housing of the BDU to open or close the protective cover.

[0020] Optionally, the lower housing of the BDU is provided with an insert nut that cooperates with the insert bushing for detachably connecting the lower housing of the BDU and the upper housing of the BDU.

[0021] Optionally, the detachable connection includes bolts.

[0022] Through the above technical solution, this utility model relates to a detachable BDU fuse shunt module. The shunt is connected to the shunt via a first connecting copper busbar, and the fuse is connected to the second connecting copper busbar. The shunt and the fuse are detachably installed on the housing, realizing the separate installation and removal of the shunt and the fuse. This satisfies the requirement that if a component in the BDU housing is damaged, it can be removed and replaced individually. The operation is simple and cost-effective. Attached Figure Description

[0023] The accompanying drawings are provided to further illustrate the embodiments of the present invention and form part of the specification. They are used together with the following detailed description to explain the embodiments of the present invention, but do not constitute a limitation thereof. In the drawings:

[0024] Figure 1 This is a schematic diagram of a BDU fuse shunt module according to an embodiment of the present invention;

[0025] Figure 2 This is a schematic diagram of the housing of a BDU fuse shunt module according to an embodiment of this utility model;

[0026] Figure 3This is a schematic diagram of the housing of a BDU fuse shunt module according to an embodiment of this utility model;

[0027] Figure 4 This is a schematic diagram of a protective cover according to an embodiment of the present invention;

[0028] Figure 5 This is a schematic diagram of the lower housing of the BDU according to one embodiment of the present invention.

[0029] Explanation of reference numerals in the attached figures

[0030] 1. Shunt 2. Fuse

[0031] 3. First connecting copper busbar; 4. Second connecting copper busbar

[0032] 5. Lower housing of BDU 6. Upper housing of BDU

[0033] 7. Mounting base 8. Third connecting copper busbar

[0034] 61. Rotary groove; 62. Insert bushing

[0035] 9. Protective cover; 91. Rotating shaft

[0036] 92. Clip 51. Insert nut

[0037] 10. Bolts Detailed Implementation

[0038] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of the present invention.

[0039] In this embodiment of the utility model, unless otherwise stated, directional terms such as "upper," "lower," "top," and "bottom" are generally used to describe the relative positional relationships of the components in relation to the directions shown in the accompanying drawings or in relation to the vertical, perpendicular, or gravitational directions.

[0040] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0041] like Figure 1 The diagram shown is a schematic of a BDU fuse shunt module according to an embodiment of this utility model. Figure 1 The BDU fuse shunt module includes a housing, a shunt 1, a fuse 2, a first connecting copper busbar 3, and a second connecting copper busbar 4. Specifically, the shunt 1 is located inside the housing, and the fuse 2 is also located inside the housing, distributed parallel to the shunt 1. The first connecting copper busbar 3 passes through the shunt 1 and is conductive to it; both ends of the first connecting copper busbar 3 are detachably connected to the housing. The second connecting copper busbar 4 passes through the fuse 2 and is conductive to the shunt 1; both ends of the second connecting copper busbar 4 are detachably connected to the housing, and the opposite end of the second connecting copper busbar 4 is conductive to the first connecting copper busbar 3. By connecting the shunt 1 via the first connecting copper busbar 3 and the fuse 2 via the second connecting copper busbar 4, the shunt 1 and fuse 2 are respectively mounted on the housing, and they are also conductive to each other. This allows for individual replacement of damaged components when components inside the housing fail, saving costs.

[0042] In this embodiment, the housing may include a lower BDU housing and an upper BDU housing 6. The upper BDU housing 6 and the lower BDU housing cooperate to enclose the shunt 1 and the fuse 2. The lower BDU housing includes multiple mounting bases 7, which are arranged parallel to each other inside the lower BDU housing. The first connecting copper busbar 3 and the second connecting copper busbar 4 are detachably connected to the mounting base 7. To allow conductivity between the first connecting copper busbar 3 and the second connecting copper busbar 4, each mounting base 7 is also provided with a third connecting copper busbar 8, so that conductivity is achieved between the shunt 1 connected to the first connecting copper busbar 3 and the fuse 2 connected to the second connecting copper busbar 4. The upper BDU housing 6 and the lower BDU housing can be configured as follows: Figure 2 and Figure 5 As shown.

[0043] In this embodiment, to improve the safety of the BDU fuse shunt module, a rotating groove 61 and an insert bushing 62 are also provided on the upper housing 6 of the BDU. A protective cover 9 is provided on the BDU fuse shunt module, with a rotating shaft 91 at its tail that engages with the rotating groove 61 of the upper housing 6 of the BDU to connect the upper housing 6 and the protective cover 9. This allows the partially exposed third connecting copper busbar 8 of the upper housing 6 to be covered. A snap-fit ​​92 is provided on the side of the protective cover 9 to engage with the upper housing 6 of the BDU to open or close the protective cover 9, facilitating the installation and disassembly of the housing. The upper housing 6 of the BDU can be... Figure 3 As shown, the protective cover 9 can be as follows: Figure 4 As shown.

[0044] In this embodiment, to install and connect the upper housing 6 and the lower housing of the BDU, an insert nut 51 is provided on the lower housing of the BDU, which cooperates with the insert bushing 62 of the upper housing 6 of the BDU for detachable connection of the lower housing and the upper housing 6 of the BDU. In this embodiment, the detachable connection includes bolts 10, which connect each component to facilitate installation and disassembly.

[0045] Through the above technical solution, this utility model relates to a detachable BDU fuse shunt module. The shunt 1 is connected to the first connecting copper busbar 3, and the fuse 2 is connected to the second connecting copper busbar 4. The shunt 1 and the fuse 2 are detachably installed on the housing, realizing the separate installation and removal of the shunt 1 and the fuse 2. This satisfies the requirement that if a component in the BDU housing is damaged, it can be removed and replaced individually. The operation is simple and cost-effective.

[0046] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings; however, the present invention is not limited thereto. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention. This includes combining various specific technical features in any suitable manner. To avoid unnecessary repetition, the present invention will not describe the various possible combinations separately. However, these simple modifications and combinations should also be considered as the content disclosed in the present invention and are all within the protection scope of the present invention.

Claims

1. A detachable BDU fuse shunt module, characterized in that, The BDU fuse shunt module includes: case; A flow divider is disposed inside the housing; The fuse is located inside the housing and is distributed alongside the shunt. A first connecting copper busbar passes through the splitter and is in communication with the splitter; both ends of the first connecting copper busbar are detachably connected to the housing. The second connecting copper busbar passes through the fuse and is connected to the shunt. Both ends of the second connecting copper busbar are detachably connected to the housing. The opposite ends of the second connecting copper busbar are connected to the first connecting copper busbar.

2. The BDU fuse shunt module according to claim 1, characterized in that, The housing includes: BDU lower housing; The upper housing of the BDU, together with the lower housing of the BDU, covers the shunt and the fuse.

3. The BDU fuse shunt module according to claim 2, characterized in that, The lower housing of the BDU includes: Multiple mounting bases are arranged in parallel inside the lower housing of the BDU, and the first connecting copper busbar and the second connecting copper busbar are detachably connected to the mounting bases.

4. The BDU fuse shunt module according to claim 3, characterized in that, The BDU fuse shunt module also includes: A third connecting copper busbar is disposed on the mounting base, and the end of the third connecting copper busbar is used to connect and conduct with the end of the first connecting copper busbar or the second connecting copper busbar.

5. The BDU fuse shunt module according to claim 2, characterized in that, The upper housing of the BDU is provided with a rotating groove and an insert bushing.

6. The BDU fuse shunt module according to claim 5, characterized in that, The BDU fuse shunt module also includes a protective cover, the tail of which is provided with a rotating shaft that cooperates with the rotating groove to connect the upper housing of the BDU and the protective cover.

7. The BDU fuse shunt module according to claim 6, characterized in that, The protective cover has a buckle on its side, which is used to cooperate with the upper shell of the BDU to open or close the protective cover.

8. The BDU fuse shunt module according to claim 5, characterized in that, The lower housing of the BDU is provided with an insert nut, which cooperates with the insert bushing to detachably connect the lower housing of the BDU and the upper housing of the BDU.

9. The BDU fuse shunt module according to claim 1, characterized in that, The detachable connection includes bolts.

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