BDU integrated structure

Abstract

The utility model discloses a BDU integrated structure, relates to the field of BDU processing design, and is used for solving the problem that a copper bar on a BDU mold is difficult to replace after being mounted. The BDU integrated structure comprises a BDU shell, a conductive plate and a fastener; a groove is formed in the BDU shell, and a mounting hole is formed in the inner wall of one side of the groove; a through hole is formed in one end of the conductive plate, the part, provided with the through hole, of the conductive plate extends into the groove, the through hole is communicated with the mounting hole, and the thickness of the part, located in the groove, of the conductive plate ranges from 2 mm to 7 mm; the fastener partially penetrates through the through hole and extends into the mounting hole, the part, located in the mounting hole, of the fastener is connected with the mounting hole, and the other part of the fastener is located in the groove. The BDU mold is used for solving the problem that the copper bar on the BDU mold is difficult to replace after being installed, the thickness of the conductive plate is set to be 2-7 mm, the space of the groove in the BDU shell is larger, and maintenance and replacement of the copper bar are facilitated.

Description

Technical Field

[0001] This application relates to the field of BDU processing design, and particularly to a BDU integrated structure. Background Art

[0002] The BDU mold is a mold used to produce components related to BDU (Battery Disconnect Unit). The dimensional requirements, quality requirements, precision, and internal space design requirements of the BDU mold produced by molding are relatively high. Therefore, the BDU mold is usually formed in one step to ensure its working safety.

[0003] The BDU mold is usually directly connected to other components through a conductive copper bar. Since the copper bar has good conductivity and the BDU mold has a compact shape, the space for installing the copper bar on the BDU mold is small, resulting in the replacement of the copper bar due to damage to the components inside the BDU mold later, and it is also difficult to replace the copper bar with a substitute. Summary of the Utility Model

[0004] This application provides a BDU integrated structure to solve the problem that it is difficult to replace the copper bar after installation on the BDU mold.

[0005] This application provides a BDU integrated structure, including a BDU housing, a conductive plate member, and a fastener; a groove is provided on the BDU housing, and a mounting hole is provided on one inner wall of the groove; a through hole is provided at one end of the conductive plate member, and the part of the conductive plate member with the through hole extends into the groove, and the through hole communicates with the mounting hole. The thickness of the part of the conductive plate member located in the groove is 2 mm to 7 mm; part of the fastener penetrates through the through hole and extends into the mounting hole, and the part of the fastener located in the mounting hole is connected to the mounting hole, and the rest of the fastener is located in the groove.

[0006] The thickness of the part of the conductive plate member located in the groove in this application is 2 mm to 7 mm. At this time, the height space in the groove along the thickness direction of the conductive plate member is larger, and the thickness value of the conductive plate member is often lower than this thickness. Thus, when the conductive plate member is damaged or the material needs to be replaced later, there is more space in the groove to disassemble the fastener, making it easier to replace or substitute the copper bar after installation on the BDU mold.

[0007] In some embodiments of this application, the thickness of the part of the conductive plate member located in the groove is 3 mm to 7 mm. The thickness of a conventional copper bar is about 1.5 mm. By setting the thickness value of the conductive plate member to 3 mm to 7 mm, more reserved space can be provided in the groove, facilitating the replacement and substitution of the conductive plate member.

[0008] In some embodiments of the present application, the thickness of the part of the conductive plate located in the groove is 5 mm. When the conductive plate is 5 mm, the thickness of the part of the space for installing the conductive plate in the groove can be 5 mm or more, so that the installation, replacement and substitution of the conductive plate are more convenient.

[0009] In some embodiments of the present application, the width of the part of the conductive plate located in the groove is 10 mm to 30 mm. The conductive plate can be designed with different widths according to different materials and current requirements, and the space of this part in the groove can be set according to the design of the BDU housing, so as to meet the replacement and substitution requirements of the conductive plate.

[0010] In some embodiments of the present application, the conductive plate is a copper plate; or, the conductive plate is an aluminum plate; or, the conductive plate is formed by superimposing a copper plate and an aluminum plate. The conductive plate can be in a variety of ways, so that the conductive plates can be replaced with each other among these various setting methods to meet different design requirements, avoid the need to independently design grooves for each conductive plate, and improve the versatility of the BDU housing.

[0011] In some embodiments of the present application, a plurality of grooves are provided on the BDU housing, and the plurality of grooves are spaced apart on the same side wall of the BDU housing; a plurality of conductive plates are provided, and the plurality of conductive plates correspond to the plurality of grooves one by one. One end of the conductive plate extends into the groove, and the plurality of conductive plates are independent of each other; a plurality of fasteners are provided, and the plurality of fasteners correspond to the plurality of grooves one by one, and one fastener is provided in each groove.

[0012] The plurality of grooves can enable the conductive plates in the plurality of grooves to be respectively connected to a relay in the BDU housing, so that the circuit is connected to meet the design and use requirements of the BDU module.

[0013] In some embodiments of the present application, the number of grooves is set to 4, the number of conductive plates is set to 4, and the number of fasteners is set to 4. When the number of grooves is set to 4, the maximum number of conductive plates that can be installed is 4, so that the dual requirements of the ordinary type and the fast charging type of the BDU integrated structure can be met at the same time, and the versatility of the BDU integrated structure is further improved.

[0014] In some embodiments of the present application, an installation depression is further provided on the BDU housing. The installation depression is provided on the side wall of the groove, and the side wall where the installation depression is located is opposite to the side wall where the installation hole is located; the opening of the installation depression faces the installation hole, and the installation depression can accommodate any part of the fastener. The installation depression can make the overall grooving of the groove smaller and can have an area for accommodating the fastener, which is convenient for the installation of the fastener.

[0015] In some embodiments of the present application, the fastener is a bolt, and threads are provided in the mounting hole, and the bolt is threadedly connected to the mounting hole. The threaded connection between the bolt and the mounting hole can make the connection between the bolt and the BDU housing stable, and make the position of the conductive plate stable. At the same time, it is also convenient for disassembly.

[0016] In some embodiments of the present application, the head of the bolt can be received in the mounting recess. At this time, when installing or disassembling, the head of the bolt can be screwed into the mounting recess, so that the replacement and substitution of the conductive plate are more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings are used to provide a further understanding of the technical solutions of the present invention, and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solutions of the present invention, and do not constitute a limitation to the technical solutions of the present invention.

[0018] Figure 1 It is a partial schematic view of a BDU integrated structure provided by an embodiment of the present application.

[0019] Figure 2 It is a partial installation sectional view of a BDU integrated structure provided by an embodiment of the present application.

[0020] Figure 3 It is a schematic view of the BDU housing of a BDU integrated structure provided by an embodiment of the present application.

[0021] Figure 4 It is a partial installation schematic view of a BDU integrated structure provided by an embodiment of the present application.

[0022] Reference numerals: 1 - BDU housing; 11 - groove; 12 - mounting hole; 13 - mounting recess; 2 - conductive plate; 3 - fastener. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0024] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0025] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, unless otherwise specified, the meaning of "a plurality" is two or more.

[0026] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances. Additionally, when describing pipelines, the terms "connected" and "coupled" used in this application have the meaning of conducting. The specific meaning needs to be understood in combination with the context.

[0027] In the embodiments of this application, words such as "exemplary" or "for example" are used to indicate examples, illustrations, or explanations. Any embodiment or design solution described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or having more advantages than other embodiments or design solutions. Rather, the use of words such as "exemplary" or "for example" is intended to present relevant concepts in a specific manner.

[0028] The BDU mold is a mold for producing components related to BDU (Battery Disconnect Unit). The size requirements, quality requirements, precision, and internal space design requirements of the BDU mold produced by modeling are relatively high. Therefore, the BDU mold is usually formed in one step to ensure its working safety.

[0029] The BDU mold is usually directly connected to other components through conductive copper bars. Since the copper bars have good conductivity and the BDU mold has a compact shape, the space for installing the copper bars on the BDU mold is small, resulting in the replacement of the copper bars due to damage to the components inside the BDU mold later, and it is also difficult to replace the copper bars with substitutes.

[0030] For this reason, please refer to Figure 1 and Figure 2 , this application provides a BDU integrated structure, including a BDU housing 1, a conductive plate member 2, and a fastener 3.

[0031] Please refer to Figure 1, a groove 11 is provided on the BDU housing 1, and a mounting hole 12 is provided on one inner wall of the groove 11. The BDU housing 1 is a conventional structure of the BDU integrated structure, usually made by one-piece molding, with characteristics such as high precision and accurate dimensions. The mounting hole 12 can be a round hole, a square hole or other holes, and the mounting hole 12 can be a through hole, penetrating one side wall surface of the BDU housing 1, or a counterbore.

[0032] Please refer to Figure 1 and Figure 2 , a through hole is provided at one end of the conductive plate member 2, and the part of the conductive plate member 2 provided with the through hole extends into the groove 11, and the through hole communicates with the mounting hole 12. The thickness of the part of the conductive plate member 2 located in the groove 11 is 2 mm to 7 mm. The material of the conductive plate member 2 is a conductive material, which can be made of copper, aluminum, silver or gold, or can also be made of other materials with good electrical conductivity, or can also be formed by a combination of the above-mentioned multiple materials.

[0033] The through hole can be a round hole, a square hole, or an irregular hole. The through hole can be a smooth hole, or can be internally provided with threads or other shaped structures.

[0034] Please refer to Figure 1 and Figure 2 , the 2 mm to 7 mm here can be the actual thickness of the conductive plate member 2, or can be the thickness reserved in the groove 11 for installing the conductive plate member 2, and the thickness reserved in the groove 11 for installing the conductive plate member 2 can be greater than or equal to the actual thickness of the conductive plate member 2. Preferably, the 2 mm to 7 mm described here is the thickness reserved in the groove 11 for installing the conductive plate member 2, and the actual thickness of the conductive plate member 2 is less than the reserved thickness.

[0035] Please refer to Figure 2 , part of the fastener 3 penetrates through the through hole and extends into the mounting hole 12. The part of the fastener 3 located in the mounting hole 12 is connected to the mounting hole 12, and the rest of the fastener 3 is located in the groove 11. The fastener 3 is used to connect with the mounting hole 12 to fix the conductive plate member 2. At this time, the connection between the fastener 3 and the mounting hole 12 can be a snap connection or a threaded connection.

[0036] And, the connection between the fastener 3 and the mounting hole 12 is preferably a detachable connection method, such as the above-mentioned snap connection or threaded connection, so as to facilitate the disassembly between the fastener 3 and the BDU housing 1, so as to maintain, repair, replace, and substitute the conductive plate member 2.

[0037] The thickness of the part of the conductive plate 2 located in the groove 11 in this application is 2 mm to 7 mm. At this time, the height space along the thickness direction of the conductive plate 2 in the groove 11 is larger, and the thickness value of the conductive plate 2 is often lower than this thickness. Thus, when the conductive plate 2 is damaged or the material needs to be replaced later, there is more space in the groove 11 to disassemble the fastener 3, making it easier to replace or substitute the copper bar after installation on the BDU mold.

[0038] Under normal conditions, the conductive plate 2 is used as a copper bar, and the thickness of the copper bar is 1 mm to 1.5 mm. After the fastener 3 extends into the through-hole of the copper bar, it can slide into the groove 11, thereby installing the copper bar in the groove 11 and fixing it in the groove 11. However, after long-term use, adhesion will occur between the copper bar and the inner wall of the groove 11. Due to insufficient space for the fastener 3, it is difficult to disassemble. Sometimes, the method of cutting part of the BDU is used for replacement. However, the BDU is integrally formed, and once damaged, it is very likely to cause cracks in other areas, resulting in damage to the entire BDU module and reducing its service life.

[0039] In this solution, using a thickness of 2 mm to 7 mm for the conductive plate 2 can make the space for installing the conductive plate 2 in the groove 11 larger. At this time, the copper bar can still be used, and the thickness of the space in the groove 11 for installing the copper bar is set to 2 mm to 7 mm, so that when the copper bar is damaged or replaced with other components, the groove 11 has more space, which helps with the replacement and substitution of the conductive plate 2.

[0040] Please refer to Figure 2 , in some examples, the thickness of the part of the conductive plate 2 located in the groove 11 is 3 mm to 7 mm. The conventional thickness of the copper bar is about 1.5 mm. By setting the thickness value of the conductive plate 2 to 3 mm to 7 mm, the reserved space in the groove 11 can be made larger, facilitating the replacement and substitution of the conductive plate 2.

[0041] Please refer to Figure 2 , in some examples, the thickness of the conductive plate 2 outside the groove 11 can be the same as the thickness of the part located in the groove 11, so that the current value on the conductive plate 2 tends to be stable.

[0042] At the same time, the above thickness of 3 mm to 7 mm can be the actual thickness of the conductive plate 2, or the thickness reserved in the groove 11 for installing the conductive plate 2, and the thickness of the groove 11 for installing the conductive plate 2 can be greater than or equal to the actual thickness of the conductive plate 2.

[0043] Please refer to Figure 2, in some examples, the thickness of the part of the conductive plate 2 located in the groove 11 is 5 mm. When the conductive plate 2 is 5 mm, the thickness of the part of the space in the groove 11 for installing the conductive plate 2 can be 5 mm or more, thus making the installation, replacement, and substitution of the conductive plate 2 more convenient.

[0044] Please refer to Figure 2 , for example, the 5 mm here can be the actual thickness of the conductive plate 2 or the thickness reserved in the groove 11 for installing the conductive plate 2, and the thickness of the groove 11 for installing the conductive plate 2 can be greater than or equal to the actual thickness of the conductive plate 2.

[0045] Please refer to Figure 2 , preferably, the 5 mm refers to the thickness reserved in the groove 11 for installing the conductive plate 2, so that when the thickness of the conductive plate 2 is within 4.5 mm, its replacement or substitution can be achieved.

[0046] In some other examples, the thickness of the groove 11 for installing the conductive plate 2, that is, the thickness of the above-mentioned conductive plate 2, can also be 4 mm, 4.5 mm, 3 mm or other thickness values, and the purpose of replacing and substituting the conductive plate 2 within a certain thickness range can also be achieved.

[0047] Please refer to Figure 2 , in some examples, the width of the part of the conductive plate 2 located in the groove 11 is 10 mm to 30 mm. The conductive plate 2 can be designed with different widths according to different materials and current requirements, and the space of this part in the groove 11 can be set according to the design of the BDU housing 1, so as to meet the replacement and substitution requirements of the conductive plate 2.

[0048] In some examples, the width of the above-mentioned conductive plate 2, 10 mm to 30 mm, can be the actual width of the conductive plate 2 or the width reserved in the groove 11 for installing the conductive plate 2, and the width of the groove 11 for installing the conductive plate 2 can be greater than or equal to the actual width of the conductive plate 2.

[0049] Preferably, the 10 mm to 30 mm here refers to the width reserved in the groove 11 for installing the conductive plate 2. And this width value can be 10 mm, 15 mm, 20 mm, 30 mm or 25 mm. No matter which width value is set, the replacement of the conductive plate 2 below this width value will be easier.

[0050] Please refer to Figure 2, Exemplarily, when the conductive plate member 2 is a copper busbar, its width is usually about 8 mm. In this application, the width reserved in the groove 11 for installing the conductive plate member 2 is preset to 10 mm to 30 mm. This allows the conductive plate member 2, when replaced with a more economical material other than the copper busbar, to reduce the current by increasing the width, thereby increasing the input and output current of the BDU integrated structure and improving the safety of the BDU integrated structure.

[0051] Meanwhile, the reserved extra space facilitates the later replacement and substitution of the charged plate member.

[0052] In some examples, the conductive plate member 2 is a copper plate; or, the conductive plate member 2 is an aluminum plate; or, the conductive plate member 2 is formed by superimposing a copper plate and an aluminum plate. The conductive plate member 2 can be in multiple forms, enabling it to be mutually replaceable among these multiple settings to meet different design requirements, avoiding the need to independently design the groove 11 for each type of conductive plate member 2 and improving the versatility of the BDU housing 1.

[0053] , Exemplarily, when the conductive plate member 2 is a copper plate (i.e., a copper busbar), its thickness value can be 1 mm to 2 mm, its width value can be 8 mm to 10 mm, and the space in the groove 11 for installing the conductive plate member 2 can be slightly larger than the size value of this copper plate. Preferably, the height and width of the space in the groove 11 for installing the conductive plate member 2 can be 5 mm and 20 mm respectively.

[0054] When the conductive plate member 2 is an aluminum plate (i.e., an aluminum busbar), its thickness value can be 4 mm to 5 mm, its width value can be 15 mm to 20 mm, and the space in the groove 11 for installing the conductive plate member 2 can be slightly larger than the size value of this copper plate. Preferably, the height and width of the space in the groove 11 for installing the conductive plate member 2 can be 5 mm and 20 mm respectively.

[0055] When the conductive plate member 2 is formed by superimposing a copper plate and an aluminum plate, the overall thickness value of the conductive plate member 2 composed of the copper plate and the aluminum plate can be 2 mm to 3.5 mm, its width value can be 10 mm to 20 mm, and the space in the groove 11 for installing the conductive plate member 2 can be slightly larger than the size value of this copper plate. Preferably, the height and width of the space in the groove 11 for installing the conductive plate member 2 can be 5 mm and 20 mm respectively.

[0056] When the above solution is adopted, the BDU integrated structure can meet a current-carrying range of approximately 0 to 400 A. When using a larger copper busbar for the conductive plate body, it can even make the current lower and safer during fast charging, thus meeting the usage requirements of larger BDU designs; and even when using a pure aluminum busbar structure, it can also make the current of the BDU in this solution drop below 400 A during fast charging and ensure its safe use.

[0057] In some examples, when the conductive plate member 2 is formed by superimposing a copper plate and an aluminum plate, the copper plate and the aluminum plate can be stacked in the thickness direction or in the width direction; the number of aluminum plates and copper plates can be one layer or multiple layers arranged alternately.

[0058] When an aluminum plate is used in the conductive plate body, the overall cost of the conductive plate body can be reduced. At the same time, replacing the conductive plate member 2 with an aluminum plate or a plate member containing an aluminum plate is a routine operation for maintenance, repair, and replacement. In this case, damage to the BDU housing 1 can be avoided, and the safety and service life of the BDU integrated structure can be improved.

[0059] Please refer to Figure 3 In some examples, a plurality of grooves 11 are provided on the BDU housing 1, and the plurality of grooves 11 are spaced apart on the same side wall of the BDU housing 1; a plurality of conductive plate members 2 are provided, and the plurality of conductive plate members 2 correspond to the plurality of grooves 11 one by one. One end of the conductive plate member 2 extends into the groove 11, and the plurality of conductive plate members 2 are independent of each other; a plurality of fasteners 3 are provided, and the plurality of fasteners 3 correspond to the plurality of grooves 11 one by one. One fastener 3 is provided in each groove 11.

[0060] Please refer to Figure 3 The plurality of grooves 11 can connect the conductive plate members 2 in the plurality of grooves 11 to a relay in the BDU housing 1 respectively, so that the circuit is connected to meet the design and use requirements of the BDU module.

[0061] Please refer to Figure 3 In some examples, the number of grooves 11 is set to 4, the number of conductive plate members 2 is set to 4, and the number of fasteners 3 is set to 4. When the number of grooves 11 is set to 4, the maximum number of conductive plate members 2 that can be installed is 4, so that the dual requirements of the ordinary type and the fast charge type of the BDU integrated structure can be met simultaneously, and the versatility of the BDU integrated structure can be further improved.

[0062] In some other examples, the number of grooves 11 can also be set to only 2, so that it can be used only as the input / output copper busbar to meet the ordinary charge and discharge requirements.

[0063] Please refer to Figure 4 In some examples, an installation recess 13 is further provided on the BDU housing 1. The installation recess 13 is provided on the side wall of the groove 11, and the side wall where the installation recess 13 is located is opposite to the side wall where the installation hole 12 is located; the opening of the installation recess 13 faces the installation hole 12, and the installation recess 13 can accommodate any part of the fastener 3. The installation recess 13 can make the overall slotting of the groove 11 smaller and can have an area for accommodating the fastener 3, which is convenient for the installation of the fastener 3.

[0064] Please refer to Figure 4, Exemplarily, the installation recess 13 can be cuboid-shaped or of other shapes, as long as it can meet the usage requirements. The installation recess 13 can penetrate one side wall of the BDU housing 1 or not.

[0065] In some examples, the fastener 3 is a bolt, and the installation hole 12 is provided with threads, and the bolt is threadedly connected to the installation hole 12. The threaded connection between the bolt and the installation hole 12 can make the connection between the bolt and the BDU housing 1 stable, and make the position of the conductive plate 2 stable. At the same time, it is also convenient for disassembly.

[0066] Alternatively, the fastener 3 can also be a clamping post with a clamping ring, and a corresponding clamping structure is provided in the installation hole 12, so that the clamping post and the clamping structure are clamped with each other to realize the fixed connection between the fastener 3 and the BDU housing 1.

[0067] Please refer to Figure 4 , In some examples, the head of the bolt can be received in the installation recess 13. At this time, when installing or disassembling, the head of the bolt can be screwed into the installation recess 13, so that the replacement and substitution of the conductive plate 2 are more convenient.

[0068] Exemplarily, due to the compact space on the BDU housing 1, in order to ensure the overall strength of the BDU housing 1, the installation recess 13 can only accommodate the part of the head of the bolt, as long as it can make the disassembly of the bolt more convenient. At this time, the structural strength at the groove 11 can be higher, making the safety of the BDU integrated structure at this part of the groove 11 higher.

[0069] In the description of this specification, specific features, structures, materials or characteristics can be combined in a suitable manner in any one or more embodiments or examples.

[0070] The above description is only a description of the preferred embodiments of the present invention, and does not limit the scope of the present invention in any way. Any changes and modifications made by those of ordinary skill in the art of the present invention based on the above disclosure are within the scope of protection of the claims.

Claims

1. A BDU integrated structure, characterized in that: include: A BDU shell, wherein the BDU shell is provided with a groove, and an installation hole is provided on an inner wall of one side of the groove; A conductive plate, wherein a through hole is formed at one end of the conductive plate, a portion of the conductive plate having the through hole extends into the groove, the through hole is connected to the mounting hole, and a thickness of the portion of the conductive plate located in the groove is 2 mm to 7 mm; A fastener, wherein a portion of the fastener passes through the through hole and extends into the mounting hole, a portion of the fastener located in the mounting hole is connected to the mounting hole, and the remaining portion of the fastener is located in the groove.

2. The BDU integrated structure according to claim 1, characterized in that: The thickness of the portion of the conductive plate located in the groove is 3 mm to 7 mm.

3. The BDU integrated structure according to claim 2, characterized in that: The thickness of the portion of the conductive plate located in the groove is 5 mm.

4. The BDU integrated structure according to claim 1, characterized in that: The width of the portion of the conductive plate located in the groove is 10 mm to 30 mm.

5. The BDU integrated structure according to claim 1, characterized in that: The conductive plate is a copper plate; Alternatively, the conductive plate is an aluminum plate; Alternatively, the conductive plate is formed by stacking a copper plate and an aluminum plate.

6. The BDU integrated structure according to claim 1, characterized in that: The BDU shell is provided with a plurality of the grooves, and the plurality of the grooves are distributed at intervals on the same side wall of the BDU shell; The conductive plate is provided in plurality, the plurality of conductive plates correspond to the plurality of grooves one by one, one end of the conductive plate extends into the groove, and the plurality of conductive plates are independent of each other; The fasteners are provided in plurality, and the plurality of fasteners correspond to the plurality of grooves one by one, and one fastener is arranged in each groove.

7. The BDU integrated structure according to claim 6, characterized in that: The number of the grooves is 4, the number of the conductive plates is 4, and the number of the fasteners is 4.

8. The BDU integrated structure according to any one of claims 1 to 7, characterized in that: The BDU housing is also provided with a mounting recess, which is provided on a side wall of the groove, and the side wall where the mounting recess is located is opposite to the side wall where the mounting hole is located; The opening of the mounting recess faces the mounting hole, and the mounting recess can accommodate any part of the fastener.

9. The BDU integrated structure according to claim 8, characterized in that: The fastener is a bolt, a thread is arranged in the mounting hole, and the bolt is threadedly connected to the mounting hole.

10. The BDU integrated structure according to claim 9, characterized in that: The head of the bolt can be received in the mounting recess.

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