Vibration test fixture and vibration test system

Abstract

The utility model provides a vibration test fixture and a vibration test system, and relates to the technical field of power batteries. The vibration test fixture comprises a mounting seat, a buffer piece and a limiting piece. The mounting base is used for being mounted on a vibration platform and provided with a mounting groove used for mounting a battery pack. And the buffer piece is arranged in the mounting groove and is used for abutting against the battery pack. The limiting part is detachably arranged on the mounting seat and surrounds the periphery of the mounting groove, so that the battery pack is limited in the mounting groove. The battery pack is limited in the mounting groove through the limiting piece, so that the battery pack is prevented from falling off during a vibration test. And flexible support is provided through the buffer piece, so that local stress concentration is reduced, and the shell of the battery pack is prevented from being damaged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power batteries, and in particular to a vibration test fixture and a vibration test system. BACKGROUND

[0002] A battery pack is a battery group composed of multiple battery monomers according to certain voltage and capacity. The battery pack is widely used in the fields of electric vehicles, energy storage systems, portable electronic devices, etc. In order to ensure the stability of the battery pack, vibration test verification needs to be performed on the battery pack.

[0003] In the related art, during vibration testing, a clamping assembly is needed to fix the battery pack on the vibration test bench surface. According to the vibration test requirements, the battery pack will vibrate in the X, Y or Z direction along with the vibration test bench surface.

[0004] However, when the existing clamping assembly clamps the battery pack, it is easy to cause damage to the battery pack due to excessive clamping force. Utility model content

[0005] The present application provides a vibration test fixture and a vibration test system to solve the problem of insufficient stability of the existing clamping assembly for clamping the battery pack and easy damage to the battery pack.

[0006] In a first aspect, the vibration test fixture provided by the embodiments of the present application includes:

[0007] The mounting seat is used to be mounted on the vibration platform, and the mounting seat has a mounting groove for mounting the battery pack;

[0008] The buffer member is arranged in the mounting groove and used to abut against the battery pack;

[0009] The limiting member is detachably arranged on the mounting seat, and the limiting member surrounds the outer periphery of the mounting groove to limit the battery pack in the mounting groove.

[0010] In a possible implementation manner, the vibration test fixture provided by the embodiments of the present application has a buffer rubber plate arranged in the mounting groove.

[0011] In a possible implementation manner, the vibration test fixture provided by the embodiments of the present application has a buffer member located in the middle region of the mounting groove.

[0012] In a possible implementation manner, the vibration test fixture provided by the embodiments of the present application has a limiting member including a fixed segment and a pressing segment connected in sequence;

[0013] The fixed segment is arranged on the mounting seat, and the pressing segment extends into the mounting groove to press the edge of the battery pack.

[0014] In a possible implementation, the vibration test fixture provided by the embodiment of the present application further comprises at least one first fastener;

[0015] The fixing section is provided with at least one first fixing hole, and the first fastener fixes the fixing section to the mounting seat through the first fixing hole.

[0016] In a possible implementation, the vibration test fixture provided by the embodiment of the present application is provided with at least one avoiding gap on the pressing section.

[0017] In a possible implementation, the vibration test fixture provided by the embodiment of the present application further comprises at least one connecting piece;

[0018] The pressing section is provided with at least one connecting hole, and the connecting piece connects the pressing section and the edge of the battery pack through the connecting hole.

[0019] In a possible implementation, the vibration test fixture provided by the embodiment of the present application is provided with at least one reinforcing section between the fixing section and the pressing section.

[0020] In a possible implementation, the vibration test fixture provided by the embodiment of the present application comprises two oppositely arranged first limiting pieces and two oppositely arranged second limiting pieces.

[0021] The first limiting piece and the second limiting piece are arranged at intervals, and the length of the first limiting piece is less than the length of the second limiting piece.

[0022] In a possible implementation, the vibration test system provided by the embodiment of the present application comprises a vibration platform and a vibration test fixture as above arranged on the vibration platform.

[0023] The utility model provides a kind of vibration test fixture and vibration test system. The vibration test fixture includes mounting seat, buffer and limiting piece. Mounting seat is used to install to vibration platform, and mounting seat has installation slot, to be used to install battery pack. Buffer is arranged in installation slot, and is used to abut with battery pack. Limiting piece is detachably arranged on mounting seat, and limiting piece is peripherally arranged in installation slot, to limit battery pack in installation slot. Battery pack is limited in installation slot by limiting piece, to avoid battery pack from falling off when vibration test. And by buffer, flexible support is provided, reduce local stress concentration, to prevent the damage of the shell of battery pack. BRIEF DESCRIPTION OF DRAWINGS

[0024] The drawings incorporated into the specification and forming part of the specification, show the embodiments consistent with the present application, and together with the specification, are used to explain the principles of the present application.

[0025] Figure 1 It is the structural schematic diagram of vibration test system provided by the embodiment of the present application.

[0026] Figure 2 Fig. 1 is a structural schematic diagram of a vibration test fixture in the prior art; Figure 1 Fig. 2 is a structural schematic diagram of a limiting piece in the prior art.

[0027] Figure 3 Fig. 3 is a structural schematic diagram of a limiting piece in the prior art. Figure 2

[0028] BRIEF DESCRIPTION OF DRAWINGS

[0029] 10, vibration test fixture; 20, battery pack; 30, vibration platform;

[0030] 100, mounting seat;

[0031] 110, mounting groove; 120, accommodating groove; 130, second fixing hole;

[0032] 200, buffer piece;

[0033] 300, limiting piece;

[0034] 301, first limiting piece; 302, second limiting piece;

[0035] 310, fixed segment; 311, first fixing hole; 320, pressing segment; 321, avoiding notch; 322, connecting hole; 330, reinforcing segment;

[0036] 400, first fastener;

[0037] 500, second fastener.

[0038] The specific embodiments have been shown and described in the foregoing disclosure and illustrated in the accompanying drawings through the aforementioned drawings, and will be described in more detail hereinafter. These drawings and written description are not intended to restrict the scope of the concept of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0039] The exemplary embodiments will be described in detail herein with reference to the attached drawings. The same numbers are used in different drawings to represent the same or similar elements. The following detailed description is not intended to restrict the scope of the present application, but to explain the exemplary embodiments for a complete and thorough disclosure of the present application, as set forth in the appended claims.

[0040] ​The terms "first", "second", "third", and "fourth" and the like in the description and in the claims of the utility model, and the above drawings (if any) are used to distinguish similar objects, and do not have to be used to describe a specific order or chronological order. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the utility model described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to the clearly listed steps or units, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0041] As mentioned in the background, during the vibration test, the battery pack needs to be fixed on the vibration test bench by the clamping assembly. According to the vibration test requirements, the battery pack will vibrate in X, Y or Z direction with the vibration test bench.

[0042] However, when the existing clamping assembly clamps the battery pack, it is easy to cause damage to the battery pack due to excessive clamping force.

[0043] In view of the above problems existing in the prior art, the utility model provides a kind of vibration test fixture and vibration test system. The vibration test fixture includes mounting seat, buffer and limit piece. Mounting seat is used to install to vibration platform, and mounting seat has installation slot, to be used to install battery pack. Buffer is arranged in installation slot, and is used to abut with battery pack. Limit piece is detachably arranged on mounting seat, and limit piece is peripherally arranged in installation slot, to limit battery pack in installation slot. Battery pack is limited in installation slot by limit piece, to avoid battery pack from falling off during vibration test. And by buffer, flexible support is provided, local stress concentration is reduced, so as to prevent the damage of the shell of battery pack.

[0044] Next, the exemplary application scenarios of the utility model are introduced.

[0045] The vibration test fixture provided by the utility model can be used to clamp the battery pack during vibration test. The battery pack can be the battery pack of an energy storage system, the battery pack of an electric vehicle, etc.

[0046] The technical solutions of the present application and how the technical solutions of the present application solve the above technical problems will be described in detail below with specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments. The embodiments of the present application will be described below with reference to the drawings.

[0047] Reference Figure 2As shown, the vibration test fixture 10 provided by the embodiment of the present application includes a mounting seat 100, a buffer 200, and a limiting piece 300.

[0048] The mounting seat 100 is used to be mounted on the vibration platform 30, and the mounting seat 100 has a mounting groove 110 for mounting the battery pack 20. The buffer 200 is arranged in the mounting groove 110 and used to abut against the battery pack 20. The limiting piece 300 is detachably arranged on the mounting seat 100, and the limiting piece 300 surrounds the outer periphery of the mounting groove 110 to limit the battery pack 20 in the mounting groove 110.

[0049] It can be understood that the vibration test fixture 10 provided by the embodiment of the present application can be used to clamp the battery pack 20 during the vibration test. The vibration test fixture 10 is mounted on the vibration platform 30 through the mounting seat 100, and various vibration conditions that the battery pack 20 may encounter during transportation, storage, and use, such as mechanical vibration and vibration generated during equipment operation, are simulated by the vibration platform 30.

[0050] Referring to Figure 2 As shown, the battery pack 20 can be mounted in the mounting groove 110, and the limiting piece 300 is mounted on the mounting seat 100 to limit the battery pack 20 in the mounting groove 110 through the limiting piece 300, so that the battery pack 20 can be prevented from falling off the vibration test fixture 10 during the vibration test, thereby avoiding damage.

[0051] The battery pack 20 can abut against the buffer 200 in the mounting groove 110, and the buffer 200 can provide flexible support to avoid excessive contact between the limiting piece 300 and the shell of the battery pack 20, thereby reducing local stress concentration and preventing damage to the shell of the battery pack 20.

[0052] Further, the limiting piece 300 surrounds the outer periphery of the mounting groove 110, so that the limiting piece 300 can abut against the edge of the battery pack 20, and the limiting piece 300 can be prevented from being pressed on the shell of the battery pack 20 to cause the shell of the battery pack 20 to collapse.

[0053] The vibration test fixture 10 provided by the embodiment of the present application can limit the battery pack 20 in the mounting groove 110 through the limiting piece 300 to prevent the battery pack 20 from falling off during the vibration test. In addition, the buffer 200 provides flexible support to reduce local stress concentration and prevent damage to the shell of the battery pack 20.

[0054] Exemplarily, the buffer 200 can include, but is not limited to, a super glue, a silica gel piece, a rubber piece, or other materials with certain elasticity, and embodiments of the present application do not make specific limitations thereto.

[0055] It can be understood that the limiting piece 300 is detachably arranged on the mounting seat 100, and a buckle and slot structure, a bolt and nut structure, etc. can be arranged between the limiting piece 300 and the mounting seat 100, and embodiments of the present application do not make specific limitations thereto.

[0056] Referring to Figure 2 It can be understood that the buffer 200 is a buffer rubber plate arranged in the mounting groove 110 in some embodiments.

[0057] In the above embodiments, the buffer rubber plate can increase the contact area of the buffer 200 and the battery pack 20, so as to further improve the effect of flexible support.

[0058] Preferably, the buffer rubber plate can be a super glue plate.

[0059] Referring to Figure 2 It can be understood that the buffer 200 is located in the middle region of the mounting groove 110 in some embodiments.

[0060] In the above embodiments, the cross-sectional area of the buffer 200 is smaller than the cross-sectional area of the mounting groove 110, so that the buffer 200 can be arranged in the middle region of the mounting groove 110 and cooperates with the limiting piece 300 to limit the battery pack in the mounting groove 110. In this way, the space utilization can be optimized and the cost can be reduced.

[0061] Referring to Figure 2 It can be understood that the mounting groove 110 is provided with a containing groove 120 in some embodiments, the containing groove 120 is in communication with the mounting groove 110, and the buffer 200 is arranged in the containing groove 120.

[0062] In the above embodiments, the containing groove 120 is mainly used for mounting the buffer 200, so as to avoid displacement of the buffer 200 relative to the battery pack 20 during the vibration test, reduce unnecessary friction, pressure concentration or external stress, and reduce the damage risk of the buffer 200.

[0063] In the above embodiments, the containing groove 120 is mainly used for mounting the buffer 200, so as to avoid displacement of the buffer 200 relative to the battery pack 20 during the vibration test, reduce unnecessary friction, pressure concentration or external stress, and reduce the damage risk of the buffer 200.

[0064] Exemplarily, the mounting base 100 can be rectangular, and the mounting base 100 can have a length of 1410 mm, a width of 1100 mm, and a thickness of 20 mm. The mounting groove 110 can be rectangular, and the mounting groove 110 can have a length of 1170 mm, a width of 821 mm, and a depth of 10 mm. The buffer 200 can be rectangular, and the buffer 200 can have a length of 1106 mm, a width of 396 mm, and a thickness of 6 mm. The accommodating groove 120 can be rectangular, and the accommodating groove 120 can have a length of 1108 mm, a width of 400 mm, and a depth of 4 mm.

[0065] Referring to Figure 2 In some embodiments, the number of the limiters 300 can be multiple, and the multiple limiters 300 are arranged on the mounting base 100 in a spaced manner and surround the outer periphery of the mounting groove 110.

[0066] In the above embodiment, the multiple limiters 300 are arranged in a spaced manner, so that an avoiding gap can be formed between two adjacent limiters 300 to avoid components on the edge of the battery pack 20. Exemplarily, the components can include, but are not limited to, a liquid cooling inlet pipe, a liquid cooling outlet pipe, a plug, and the like.

[0067] Referring to Figure 2 and Figure 3 In some embodiments, the limiter 300 includes a fixing segment 310 and a pressing segment 320 connected in sequence.

[0068] The fixing segment 310 is arranged on the mounting base 100, and the pressing segment 320 extends into the mounting groove 110 to press the edge of the battery pack 20.

[0069] In the above embodiment, the fixing segment 310 is detachably mounted on the mounting base 100, so that the fixing segment 310 can be mounted on the mounting base 100, and the pressing segment 320 extends into the mounting groove 110 to abut against the edge of the battery pack 20, so as to limit the battery pack 20 in the mounting groove 110.

[0070] In the above embodiment, the fixing segment 310 is detachably mounted on the mounting base 100, so that the fixing segment 310 can be mounted on the mounting base 100, and the pressing segment 320 extends into the mounting groove 110 to abut against the edge of the battery pack 20, so as to limit the battery pack 20 in the mounting groove 110. Figure 2 In the above embodiment, the fixing segment 310 is detachably mounted on the mounting base 100, so that the fixing segment 310 can be mounted on the mounting base 100, and the pressing segment 320 extends into the mounting groove 110 to abut against the edge of the battery pack 20, so as to limit the battery pack 20 in the mounting groove 110.

[0071] Figure 2 Referring to Figure 3 and In some embodiments, the vibration test fixture 10 provided by the embodiments of the present application further includes at least one first fastener 400.

[0072] The fixing segment 310 is provided with at least one first fixing hole 311, and the first fastener 400 is used to fix the fixing segment 310 to the mounting seat 100 through the first fixing hole 311.

[0073] In the above embodiment, the fixing segment 310 can be fixed to the mounting seat 100 through the first fastener 400 passing through the first fixing hole 311, so as to realize the detachable connection between the fixing segment 310 and the mounting seat 100.

[0074] Further, referring to Figure 2 It is shown that the fixing segment 310 is connected with the pressing segment 320 to form a whole structure in the shape of "Z", so that the fixing segment 310 can be fixed to the mounting seat 100 by the first fastener 400.

[0075] For example, the first fastener 400 can be a bolt, a screw or the like, and the mounting seat 100 is provided with a threaded hole matched with the first fastener 400, and the bolt is screwed with the threaded hole to realize the detachable connection between the fixing segment 310 and the mounting seat 100. The first fastener 400 can include but is not limited to an M16 screw, an M12 screw or the like. The first fixing hole 311 can be a round hole, a waist-shaped hole or the like.

[0076] It can be understood that the number of the at least one first fastener 400 and the at least one first fixing hole 311 can be one or multiple, as long as the number of the first fastener 400 matches the number of the first fixing hole 311, and the present application does not make too many limitations on this.

[0077] Referring to Figure 2 and Figure 3 It is shown that in some embodiments, the pressing segment 320 is provided with at least one avoiding gap 321.

[0078] In the above embodiment, the avoiding gap 321 can be used to avoid the interference or collision between the components at the edge of the battery pack 20.

[0079] It can be understood that the number of the at least one avoiding gap 321 can be one. The number of the avoiding gap 321 can also be multiple, and the multiple avoiding gaps 321 can be arranged at intervals along the length direction of the pressing segment 320. The present application does not make too many limitations on this.

[0080] For example, the shape of the avoiding gap 321 can be a rectangular shape, a sector shape or the like.

[0081] The corners of the pressing segment 320 can be designed as rounded corners, so as to avoid scratching the battery pack 20 when contacting the battery pack 20.

[0082] Referring toFigure 2 and Figure 3 As shown in FIG. 1, in some embodiments, the vibration test fixture 10 provided by the embodiments of the present application further comprises at least one connecting piece (not shown in the figure).

[0083] The compression section 320 is provided with at least one connecting hole 322, and the connecting piece connects the compression section 320 and the edge of the battery pack 20 through the connecting hole 322.

[0084] In the above embodiment, the edge of the battery pack 20 can be arranged in the mounting hole matched with the connecting piece, so that the connecting piece can be connected with the mounting hole through the connecting hole 322 to connect the compression section 320 and the edge of the battery pack 20, thereby further improving the stability of the installation of the battery pack 20 and avoiding the shaking of the battery pack 20 in the installation groove 110.

[0085] It can be understood that the number of the at least one connecting piece and the at least one connecting hole 322 can be one or multiple, as long as the number of the connecting pieces matches the number of the connecting holes 322, and the embodiments of the present application do not make too many limitations in this regard.

[0086] For example, the connecting piece can be a bolt, a screw, etc., and the mounting hole on the edge of the battery pack 20 can be a threaded hole matched therewith. The connecting piece can include but is not limited to an M6 screw, an M8 screw, etc. The connecting hole 322 can be a round hole, a waist-shaped hole, etc.

[0087] Referring to Figure 2 and Figure 3 As shown in FIG. 1, in some embodiments, the vibration test fixture 10 provided by the embodiments of the present application further comprises at least one connecting piece (not shown in the figure).

[0088] In the above embodiment, the edge of the battery pack 20 can be arranged in the mounting hole matched with the connecting piece, so that the connecting piece can be connected with the mounting hole through the connecting hole 322 to connect the compression section 320 and the edge of the battery pack 20, thereby further improving the stability of the installation of the battery pack 20 and avoiding the shaking of the battery pack 20 in the installation groove 110.

[0089] The reinforcing section 330 can be arranged between the fixing section 310 and the compression section 320 by welding.

[0090] It can be understood that the number of the at least one reinforcing section 330 can be one, and the one reinforcing section 330 extends along the length direction of the fixing section 310. The number of the reinforcing section 330 can be multiple, and the multiple reinforcing sections 330 are arranged at intervals along the length direction of the fixing section 310. The embodiments of the present application do not make too many limitations in this regard.

[0091] Referring to Figure 2 and Figure 3As shown in some embodiments, the vibration test fixture 10 provided by the embodiments of the present application further comprises at least one second fastener 500. The mounting base 100 is provided with at least one second fixing hole 130, and the second fastener 500 is used to fix the mounting base 100 to the vibration platform 30 through the second fixing hole 130.

[0092] For example, the second fastener 500 can be a bolt, a screw, etc., and the vibration platform 30 is provided with a threaded hole matched with the second fastener 500. The second fastener 500 can include but is not limited to an M16 screw, an M12 screw, etc. The second fixing hole 130 can be a round hole, a waist-shaped hole, etc.

[0093] Referring to Figure 1 and Figure 2 As shown in some embodiments, the limiting member 300 comprises two oppositely arranged first limiting members 301 and two oppositely arranged second limiting members 302.

[0094] The first limiting member 301 is arranged at a distance from the second limiting member 302, and the length of the first limiting member 301 is less than the length of the second limiting member 302.

[0095] In the above embodiments, the limiting member 300 can comprise two oppositely arranged first limiting members 301 and two oppositely arranged second limiting members 302, and the length of the first limiting member 301 is less than the length of the second limiting member 302, so as to form an avoiding gap, thereby avoiding the components at the edge of the battery pack 20. For example, the components can include but are not limited to a liquid cooling inlet pipe, a liquid cooling outlet pipe, a plug, etc.

[0096] It can be understood that the first limiting member 301 and the second limiting member 302 can each comprise a fixed section 310, a pressing section 320 and a reinforcing section 330, which will not be described here.

[0097] Referring to Figure 1 As shown, the vibration test system provided by the embodiments of the present application comprises the vibration platform 30 and the vibration test fixture 10 as above arranged on the vibration platform 30.

[0098] In the embodiments of the present application, since the vibration test system adopts the vibration test fixture 10 in the above embodiments, it also has the advantages and benefits brought by the vibration test fixture 10 accordingly, which will not be described here.

[0099] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the application be construed as including any patern, process, method, technique, composition of matter, or device directly or indirectly

[0100] It is to be understood that the application is not limited to the precise construction hereinafter described and as shown in the attached drawings, and that various changes in form and detail can be made therein without departing from the scope thereof. The scope of the application should only be limited by the appended claims.

Claims

1. A vibration test fixture, characterized by, The vibration test fixture (10) comprises: a mounting base (100) for mounting to a vibration platform (30), the mounting base (100) having a mounting groove (110) for mounting a battery pack (20); a buffer (200) disposed in the mounting groove (110) and for abutting against the battery pack (20); a limiting member (300) detachably disposed on the mounting base (100) and surrounding an outer periphery of the mounting groove (110) to limit the battery pack (20) in the mounting groove (110).

2. The vibrational test fixture of claim 1, wherein, The buffer (200) is a buffer rubber plate.

3. The vibrational test fixture of claim 1, wherein, The buffer (200) is located in a middle region of the mounting groove (110).

4. The vibrational test fixture of claim 1, wherein, The limiting member (300) comprises a fixing segment (310) and a pressing segment (320) connected in sequence. The fixing segment (310) is disposed on the mounting base (100), and the pressing segment (320) extends into the mounting groove (110) to press the edge of the battery pack (20).

5. The vibrational test fixture of claim 4, wherein, Further comprising at least one first fastener (400). At least one first fixing hole (311) is formed in the fixing segment (310), and the first fastener (400) fixes the fixing segment (310) to the mounting base (100) through the first fixing hole (311).

6. The vibrational test fixture of claim 4, wherein, At least one avoiding notch (321) is formed in the pressing segment (320).

7. The vibrational test fixture of claim 4, wherein, Further comprising at least one connecting member. At least one connecting hole (322) is formed in the pressing segment (320), and the connecting member connects the pressing segment (320) and the edge of the battery pack (20) through the connecting hole (322).

8. The vibrational test fixture of claim 4, wherein, At least one reinforcing segment (330) is disposed between the fixing segment (310) and the pressing segment (320).

9. The vibrational test fixture of any one of claims 1 to 8, wherein, The limiting member (300) comprises two oppositely disposed first limiting members (301) and two oppositely disposed second limiting members (302). The first limiting members (301) and the second limiting members (302) are spaced apart, and the length of the first limiting members (301) is less than the length of the second limiting members (302).

10. A vibration testing system, characterized by, The vibration test fixture (10) comprises: a vibration platform (30) and the vibration test fixture (10) as claimed in any one of claims 1 to 9 disposed on the vibration platform (30).

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