BMS control panel vibration tool and vibration test device

Abstract

The utility model relates to the technical field of battery vibration testing, in particular to a BMS control panel vibration tool and a vibration testing device.The BMS control panel vibration tool comprises a bottom plate, a bearing plate and a limiting mechanism, and a supporting face is formed on the bottom plate; the bearing plate is arranged on the bottom plate and provided with a first side face and a second side face which are oppositely arranged, the first side face and the second side face are perpendicular to the supporting face, and the first side face and the second side face are used for fixing the BMS control panel; the limiting mechanism is arranged along the edge, close to the bottom plate, of the bearing plate, and the limiting mechanism is connected with the first side face, the second side face and the supporting face so that the bearing plate can be fixed to the bottom plate. According to the vibration tool, the limiting mechanism is arranged along the edge, close to the bottom plate, of the bearing plate, the gravity center of the vibration tool can be lowered, the mode of the vibration tool is improved, the influence of the vibration tool on the BMS control panel is reduced, and abnormal vibration generated by the BMS control panel in the vibration testing process is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of battery vibration testing, and in particular to a BMS control panel vibration tooling and a vibration testing device. Background Art

[0002] As the market recognition and ownership of electric vehicles increase year by year and maintain rapid growth, the battery pack, as a high-energy-density energy storage component of electric vehicles, has a structural safety that is related to the safety of the entire vehicle. Electric vehicle power battery packs are subject to vibration loads during vehicle driving, and random vibration tests are mandatory testing standards for testing their structural vibration fatigue durability. When the battery pack fails in reliability during vibration, especially when key structural parts fail, the failure of the battery management system will cause power termination or fire and explosion accidents.

[0003] As an important part of the battery pack, the BMS (Battery Management System) control board has become a necessary requirement for vibration fatigue testing, which has important reference significance for the safety and reliability of the battery. At present, the mode of the vibration fixture of the BMS control board is low and the vibration stability is poor, and the mode of the vibration fixture directly affects the reliability of the vibration test results. Utility Model Content

[0004] The present application provides a BMS control panel vibration tooling and a vibration test device, which are used to solve the problems of low modality and poor vibration stability of the BMS vibration tooling in the prior art.

[0005] On the one hand, the present application provides a BMS control panel vibration tool, including:

[0006] a bottom plate, forming a support surface;

[0007] The bearing plate is arranged on the bottom plate, and has a first side surface and a second side surface which are arranged opposite to each other, the first side surface and the second side surface are perpendicular to the supporting surface, and the first side surface and the second side surface are respectively used to fix the BMS control board;

[0008] The limiting mechanism is arranged along the edge of the bearing plate close to the bottom plate, and the limiting mechanism is connected with the first side surface, the second side surface and the supporting surface to fix the bearing plate on the bottom plate.

[0009] In a possible design, the height of the limiting mechanism is less than or equal to the height of the carrying plate.

[0010] In a possible design, the limiting mechanism includes a plurality of limiting seats, and the plurality of limiting seats are arranged at intervals along a first direction, and the first direction is the length direction of the bearing plate.

[0011] In a possible design, the height of the limiting seats near the two ends of the bearing plate is greater than the height of the limiting seats near the middle of the bearing plate.

[0012] In a possible design, each limit seat includes:

[0013] A first limiting portion, the first limiting portion having a first limiting vertical surface and a first limiting horizontal surface, the first limiting vertical surface is connected to the first side surface, and the first limiting horizontal surface is connected to the supporting surface;

[0014] The second limiting portion is arranged opposite to the first limiting portion, and has a second limiting vertical surface and a second limiting horizontal surface. The second limiting vertical surface is connected to the second side surface, and the second limiting horizontal surface is connected to the supporting surface.

[0015] In a possible design, a first inclined surface is formed on a side of the first limiting portion away from the carrying plate, and a distance between the first inclined surface and the first side surface gradually increases in a direction approaching the bottom plate;

[0016] A second inclined surface is formed on one side of the second limiting portion away from the carrying plate, and the distance between the second inclined surface and the second side surface gradually increases in a direction approaching the bottom plate.

[0017] In a possible design, there are multiple bearing plates, which are spaced apart along the length direction of the bottom plate, and the thickness of the bearing plate near the middle of the bottom plate is greater than the thickness of the bearing plate near the edge of the bottom plate;

[0018] The number of the limiting seats corresponding to the bearing plate close to the middle of the bottom plate is greater than the number of the limiting seats corresponding to the bearing plate close to the edge of the bottom plate.

[0019] In a possible design, a wire harness fixing block is provided on the bottom plate, and a wire harness fixing groove is provided on the wire harness fixing block.

[0020] In a possible design, fixing nuts are respectively provided on the first side surface and the second side surface;

[0021] And / or, a mounting handle is provided on the base plate.

[0022] On the other hand, the present application also provides a BMS control board vibration test device, including the BMS control board vibration tooling as described above.

[0023] The beneficial effects of this application are as follows:

[0024] The BMS control panel vibration fixture of the present application can lower the center of gravity of the vibration fixture and improve the mode of the vibration fixture by setting the limiting mechanism along the edge of the bearing plate close to the bottom plate, thereby reducing the impact of the vibration fixture on the BMS control panel and reducing the abnormal vibration generated by the BMS control panel during the vibration test. By connecting the limiting mechanism with the first side surface, the second side surface, and the supporting surface to fix the bearing plate on the bottom plate, the overall stability of the vibration fixture can be effectively improved, and the reliability of the vibration test results can be improved.

[0025] The BMS control panel vibration test device provided in the present application includes the BMS control panel vibration tooling in the present application, and therefore also includes all the above-mentioned advantages of the BMS control panel vibration tooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0027] Figure 1 A schematic diagram of the structure of a BMS control panel vibration tooling provided in one embodiment of the present application;

[0028] Figure 2 A top view of a BMS control panel vibration tooling provided in one embodiment of the present application;

[0029] Figure 3 A side view of a BMS control panel vibration tooling provided in one embodiment of the present application;

[0030] Figure 4 A schematic diagram of the structure of a limit seat of a BMS control panel vibration tooling provided in one embodiment of the present application;

[0031] Figure 5 A schematic diagram of the use status of a BMS control panel vibration tooling provided in one embodiment of the present application.

[0032] Reference numerals:

[0033] 100, bottom plate; 110, supporting surface; 200, bearing plate; 210, first side surface; 220, second side surface; 230, fixing nut; 300, limiting mechanism; 310, limiting seat; 311, first limiting part; 3111, first limiting vertical surface; 3112, first limiting horizontal surface; 3113, first inclined surface; 312, second limiting part; 3121, second limiting vertical surface; 3122, second limiting horizontal surface; 3123, second inclined surface; 400, wiring harness fixing block; 500, mounting handle; 600, BMS control board. DETAILED DESCRIPTION

[0034] The technical solution of the present application will be described clearly and completely below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0035] Combine the following Figure 1-Figure 5 , describing the BMS control board vibration tooling provided in an embodiment of the present application.

[0036] Reference Figure 1 As shown, the BMS control board vibration tooling includes a base plate 100, a bearing plate 200 and a limiting mechanism 300, the base plate 100 is formed with a supporting surface 110; the bearing plate 200 is arranged on the base plate 100, and the bearing plate 200 has a first side surface 210 and a second side surface 220 that are arranged opposite to each other, the first side surface 210 and the second side surface 220 are perpendicular to the supporting surface 110, and the first side surface 210 and the second side surface 220 are respectively used to fix the BMS control board 600; the limiting mechanism 300 is arranged along the edge of the bearing plate 200 close to the base plate 100, and the limiting mechanism 300 is connected with the first side surface 210, the second side surface 220 and the supporting surface 110 to fix the bearing plate 200 on the base plate 100. In some specific embodiments, mounting holes are provided on the carrier plate 200, and the BMS control board 600 is mounted on the first side 210 and the second side 220 of the carrier plate 200 by bolts; in other specific embodiments, fixing nuts 230 are respectively welded on the first side 210 and the second side 220 of the carrier plate 200, and the BMS control board 600 is mounted on the fixing nuts 230 by bolts.

[0037] By using the technical solution of the above embodiment of the present application, by setting the limiting mechanism 300 along the edge of the bearing plate 200 close to the bottom plate 100, on the basis of fixing the bearing plate 200, the center of gravity of the vibration tooling can be lowered, and the mode of the vibration tooling can be improved, thereby reducing the impact of the vibration tooling on the BMS control board 600 and reducing the abnormal vibration generated by the BMS control board 600 during the vibration test. At the same time, by connecting the limiting mechanism 300 with the first side surface 210, the second side surface 220, and the supporting surface 110 to fix the bearing plate 200 on the bottom plate 100, the overall stability of the vibration tooling can be effectively improved, and the reliability of the vibration test results can be improved.

[0038] Reference Figure 3 As shown, in some embodiments provided in the present application, the height of the limiting mechanism 300 is less than or equal to the height of the bearing plate 200. It should be noted that the vibration test of the BMS control board 600 requires to avoid the vibration effect of the vibration fixture on the BMS control board 600 as much as possible to ensure that all vibration factors of the BMS control board 600 come from the vibration table. In this embodiment, by making the height of the limiting mechanism 300 less than or equal to the height of the bearing plate 200, the center of gravity of the vibration fixture is lowered as much as possible, and even the center of gravity of the vibration fixture is not higher than the bottom plate 100, thereby improving the stability of the vibration fixture on the vibration table, improving the mode of the vibration fixture, and minimizing the impact of the vibration fixture on the BMS control board 600 during the vibration test, so as to reduce the abnormal vibration generated by the BMS control board 600 during the vibration test and improve the reliability of the vibration test data.

[0039] Reference Figure 2 As shown, in some embodiments provided in the present application, the limiting mechanism 300 includes a plurality of limiting seats 310, and the plurality of limiting seats 310 are arranged at intervals along a first direction, and the first direction is the length direction of the carrying plate 200. By arranging a plurality of limiting seats 310 along the length direction of the carrying plate 200, the stability of the carrying plate 200 on the bottom plate 100 is improved.

[0040] Reference Figure 1 As shown, in some embodiments provided in the present application, the height of the limit seats 310 near the two ends of the carrier plate 200 is greater than the height of the limit seats 310 near the middle of the carrier plate 200. By raising the limit seats 310 at the two ends of the carrier plate 200, the two ends of the carrier plate 200 are further clamped, thereby resisting the vibration of the two ends of the carrier plate 200 and improving the stability of the vibration tooling.

[0041] Reference Figure 4As shown, in some embodiments provided in the present application, each limiting seat 310 respectively includes a first limiting portion 311 and a second limiting portion 312, the first limiting portion 311 has a first limiting vertical surface 3111 and a first limiting horizontal surface 3112, the first limiting vertical surface 3111 is connected to the first side surface 210, and the first limiting horizontal surface 3112 is connected to the support surface 110; the second limiting portion 312 is arranged opposite to the first limiting portion 311, the second limiting portion 312 has a second limiting vertical surface 3121 and a second limiting horizontal surface 3122, the second limiting vertical surface 3121 is connected to the second side surface 220, and the second limiting horizontal surface 3122 is connected to the support surface 110. In some specific embodiments, the first limiting portion 311 is arranged on one side of the supporting plate 200, and the second limiting portion 312 is arranged on the other side of the supporting plate 200, wherein the first limiting vertical surface 3111 is welded and fixed to the first side surface 210, and the first limiting horizontal surface 3112 is welded and fixed to the supporting surface 110; the second limiting vertical surface 3121 is welded and fixed to the second side surface 220, and the second limiting horizontal surface 3122 is welded and fixed to the supporting surface 110; in this way, the first limiting portion 311 and the second limiting portion 312 are used to limit the degrees of freedom of the six directions of the supporting plate 200, so that the supporting plate 200 is firmly fixed on the base plate 100, and an integral structure is formed between the base plate 100, the supporting plate 200, the first limiting portion 311 and the second limiting portion 312, to ensure that no relative movement occurs between the base plate 100 and the supporting plate 200, thereby ensuring that the vibration tooling has high stability.

[0042] Reference Figure 1 , Figure 4 As shown, in some embodiments provided in the present application, a first inclined surface 3113 is formed on a side of the first position-limiting portion 311 away from the carrier plate 200, and the distance between the first inclined surface 3113 and the first side surface 210 gradually increases in the direction close to the bottom plate 100; a second inclined surface 3123 is formed on a side of the second position-limiting portion 312 away from the carrier plate 200, and the distance between the second inclined surface 3123 and the second side surface 220 gradually increases in the direction close to the bottom plate 100. Specifically, the first position-limiting portion 311 and the second position-limiting portion 312 are triangular prism structures, respectively. By forming the first inclined surface 3113 and the second inclined surface 3123 on the side of the first limiting portion 311 and the second limiting portion 312 away from the supporting plate 200, the widths of the first limiting portion 311 and the second limiting portion 312 are gradually increased in the direction approaching the bottom plate 100. On the one hand, the contact areas between the first limiting portion 311 and the second limiting portion 312 and the supporting plate 200 are increased, thereby improving the connection firmness; on the other hand, the center of gravity of the vibration tooling is lowered, and the mode of the vibration tooling is improved, thereby reducing the influence of the vibration tooling on the BMS control board 600, and reducing the abnormal vibration of the BMS control board 600 generated during the vibration test.

[0043] Reference Figure 1 As shown, in some embodiments provided by the present application, there are multiple bearing plates 200, and the multiple bearing plates 200 are arranged at intervals along the length direction of the bottom plate 100, and the thickness of the bearing plate 200 near the middle of the bottom plate 100 is greater than the thickness of the bearing plate 200 near the edge of the bottom plate 100; the number of the limiting seats 310 corresponding to the bearing plate 200 near the middle of the bottom plate 100 is greater than the number of the limiting seats 310 corresponding to the bearing plate 200 near the edge of the bottom plate 100. In some specific embodiments, there are three bearing plates 200, wherein the thickness of the middle bearing plate 200 is greater than the thickness of the bearing plates 200 on both sides; the number of limiting seats 310 at the lower edge of the middle bearing plate 200 is eight, and the number of limiting seats 310 at the lower edge of the two bearing plates 200 is four. It should be noted that during the vibration test, the bearing plates 200 on the left and right sides will also have a vibration effect on the middle bearing plate 200, resulting in a lower mode at the middle position of the vibration tooling under the same vibration test. This embodiment can maintain a high modality at the middle and both sides of the vibration tooling by increasing the thickness and support of the middle bearing plate 200. At the same time, by increasing the thickness and support of the middle bearing plate 200, the weight of the vibration tooling can be concentrated in the middle of the bottom plate 100, thereby increasing the overall stability of the vibration tooling and improving the overall modality of the tooling.

[0044] Reference Figure 1 As shown, in some embodiments provided in the present application, a harness fixing block 400 is provided on the bottom plate 100, and a harness fixing groove is provided on the harness fixing block 400. Specifically, the harness fixing groove is an arc groove with an upper end opening, and the harness of the BMS control board 600 can be fixed by clamping the harness of the BMS control board 600 in the harness fixing groove, thereby preventing the harness of the BMS control board 600 from being damaged and affecting the vibration test result during the vibration test.

[0045] Reference Figure 1 As shown, in some embodiments provided in the present application, a mounting handle 500 is provided on the base plate 100. In some embodiments, the mounting handle 500 is welded and fixed on the base plate 100, a mounting hole is provided on the base plate 100, and the base plate 100 is fixed to the vibration table by bolts. By providing the mounting handle 500, it is convenient to install the vibration tooling on the vibration table.

[0046] A BMS control board vibration test device is also provided in an embodiment of the present application, including the BMS control board vibration tooling in the above embodiment.

[0047] It should be noted that the BMS control board vibration test device includes the BMS control board vibration tooling, which also includes all the above-mentioned advantages of the BMS control board vibration tooling, which will not be repeated here.

[0048] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0049] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying 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 the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0050] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0051] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0052] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A BMS control panel vibration tooling, characterized in that: include: a bottom plate, forming a support surface; A bearing plate, arranged on the bottom plate, having a first side surface and a second side surface arranged opposite to each other, the first side surface and the second side surface are perpendicular to the supporting surface, and the first side surface and the second side surface are respectively used to fix the BMS control board; A limiting mechanism is arranged along the edge of the bearing plate close to the bottom plate, and the limiting mechanism fixes the bearing plate on the bottom plate by connecting with the first side surface, the second side surface and the supporting surface.

2. The BMS control panel vibration tooling according to claim 1, characterized in that: The height of the limiting mechanism is less than or equal to the height of the supporting plate.

3. The BMS control panel vibration tooling according to claim 1, characterized in that: The limiting mechanism includes a plurality of limiting seats, and the plurality of limiting seats are arranged at intervals along a first direction, and the first direction is the length direction of the bearing plate.

4. The BMS control panel vibration tooling according to claim 3 is characterized in that: The height of the limiting seat near the two ends of the carrying plate is greater than the height of the limiting seat near the middle of the carrying plate.

5. The BMS control panel vibration tooling according to claim 3 is characterized in that: Each of the limit seats comprises: A first limiting portion, wherein the first limiting portion has a first limiting vertical surface and a first limiting horizontal surface, the first limiting vertical surface is connected to the first side surface, and the first limiting horizontal surface is connected to the supporting surface; The second limiting portion is arranged opposite to the first limiting portion, and the second limiting portion has a second limiting vertical surface and a second limiting horizontal surface, the second limiting vertical surface is connected to the second side surface, and the second limiting horizontal surface is connected to the supporting surface.

6. The BMS control panel vibration tooling according to claim 5, characterized in that: A first inclined surface is formed on a side of the first limiting portion away from the carrying plate, and a distance between the first inclined surface and the first side surface gradually increases in a direction approaching the bottom plate; A second inclined surface is formed on a side of the second limiting portion away from the carrying plate, and a distance between the second inclined surface and the second side surface gradually increases in a direction approaching the bottom plate.

7. The BMS control panel vibration tooling according to claim 3, characterized in that: There are multiple bearing plates, which are spaced apart along the length direction of the bottom plate, and the thickness of the bearing plate near the middle of the bottom plate is greater than the thickness of the bearing plate near the edge of the bottom plate; The number of the limiting seats corresponding to the bearing plate close to the middle of the bottom plate is greater than the number of the limiting seats corresponding to the bearing plate close to the edge of the bottom plate.

8. The BMS control panel vibration tooling according to any one of claims 1 to 7, characterized in that: A wire harness fixing block is arranged on the bottom plate, and a wire harness fixing groove is arranged on the wire harness fixing block.

9. The BMS control panel vibration tooling according to any one of claims 1 to 7, characterized in that: The first side surface and the second side surface are respectively provided with fixing nuts; And / or, a mounting handle is provided on the base plate.

10. A BMS control panel vibration test device, characterized in that: The invention comprises the BMS control panel vibration tooling as described in any one of claims 1 to 9.

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