Clamp for liquid cooling test of battery

Abstract

The utility model belongs to the technical field of batteries, and discloses a battery liquid cooling test fixture, which comprises a base and two clamping components, the two clamping components are oppositely arranged, each clamping component comprises a first upright post, an elastic piece and a clamping piece, the first upright post is arranged on the base, one end of the elastic piece is connected with the first upright post, the other end of the elastic piece is connected with the clamping piece, and the clamping piece is arranged on the base. The elastic piece of each clamping assembly is located on the side, away from the other clamping assembly, of the clamping piece of the clamping assembly, and the elastic pieces are in a compressed state so that the clamping pieces of the two clamping assemblies can be matched to clamp the battery and the liquid cooling plate, the battery and the liquid cooling plate can be tightly attached, and the effect of restoring the liquid cooling scene of the battery system end is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field especially relates to a battery liquid cooling test clamp. BACKGROUND

[0002] In the battery research and development stage, the working temperature of the battery under the liquid cooling condition needs to be tested, and when testing, the battery is tightly attached to the liquid cooling plate to restore the battery system end liquid cooling scene as much as possible.

[0003] In the prior art, there is no clamp tool for clamping cylindrical batteries and serpentine liquid cooling plates, so there is an urgent need to provide a battery liquid cooling test clamp to solve this technical problem. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a battery liquid cooling test clamp, which can tightly attach the battery to the liquid cooling plate to restore the battery system end liquid cooling scene.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] The battery liquid cooling test clamp comprises:

[0007] a base;

[0008] two clamping assemblies, the two clamping assemblies are oppositely arranged, the clamping assembly comprises a first stand, an elastic member and a clamping piece, the first stand is arranged on the base, one end of the elastic member is connected with the first stand, and the other end is connected with the clamping piece, the elastic member of each clamping assembly is located on the side of the clamping piece of the clamping assembly away from the other clamping assembly, and the elastic member is in a compressed state, so that the clamping pieces of the two clamping assemblies can clamp the battery and the liquid cooling plate.

[0009] Optionally, the clamping assembly further comprises a limiting rod, the limiting rod is arranged in the elastic member, the limiting rod comprises a first end and a second end, the first end is connected with the clamping piece, and the second end is connected with the first stand.

[0010] Optionally, the second end is slidably connected with the first stand along a first direction, and one end of the elastic member is slidably connected with the first stand along the first direction, and the first direction is configured as the axial direction of the battery.

[0011] Optionally, the clamping assembly further comprises a first positioning structure, the first positioning structure is used for locking the position of the second end on the first stand.

[0012] Optionally, the first positioning structure comprises a first bar-shaped hole, a first positioning nut and a first external thread, the first bar-shaped hole is arranged on the first column and extends along the first direction, the second end is arranged in the first bar-shaped hole and is in sliding fit with the first bar-shaped hole, the first positioning nut is arranged on the side of the first column away from the clamping member, the second end of the limiting rod is provided with the first external thread, and the first positioning nut is in threaded fit with the first external thread.

[0013] Optionally, the clamping assembly further comprises a second column, the second column is in sliding connection with the base along a second direction, the second direction is the extension direction of the elastic member, and the clamping member is in sliding connection with the second column along the first direction.

[0014] Optionally, the number of the second columns is two, and the two second columns are respectively arranged on the opposite sides of the clamping member along a third direction, and the first direction and the second direction are perpendicular to the third direction.

[0015] Optionally, the clamping assembly further comprises a second positioning structure, the second positioning structure comprises a second bar-shaped hole, a threaded hole group and a bolt group, the second bar-shaped hole is arranged on the second column and extends along the first direction, the threaded hole group comprises two threaded holes, the two threaded holes are oppositely arranged on the two sides of the clamping member in the third direction, the bolt group comprises two bolts, the two bolts correspond to the two threaded holes respectively, each bolt is arranged in a corresponding second bar-shaped hole and is in sliding fit with the second bar-shaped hole, and each bolt is in threaded fit with a corresponding threaded hole, and the nuts of the two bolts can clamp the clamping member between the two second columns.

[0016] Optionally, the battery liquid cooling test clamp further comprises a lifting assembly, the lifting assembly comprises a support and a third positioning structure, the support is used for supporting the liquid cooling plate, the support is movably connected with the base along a first direction, and the first direction is configured as an axial direction of the battery, and the third positioning structure is used for locking the position of the support in the first direction.

[0017] Optionally, the third positioning structure comprises a movable rod and a second positioning nut, the movable rod is movably arranged in the base, the movable rod is connected with the support, the movable rod is provided with a second external thread, and the second positioning nut is rotatably connected with the base and is in threaded fit with the second external thread.

[0018] The battery liquid cooling test clamp has the following beneficial effects:

[0019] The battery and the liquid cooling plate are arranged between the two clamping members, and the two clamping members can clamp the battery and the liquid cooling plate under the action of the elastic force of the elastic member, so that the battery and the liquid cooling plate are tightly attached, and the effect of restoring the liquid cooling scene of the battery system end is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1It is the first structure schematic drawing of the battery liquid cooling test clamp provided by the utility model;

[0021] Figure 2 It is the structure schematic drawing of the clamping piece provided by the utility model;

[0022] Figure 3 It is the second structure schematic drawing of the battery liquid cooling test clamp provided by the utility model.

[0023] In the drawing,

[0024] D1, first direction, D2, second direction, D3, third direction,

[0025] 10, battery, 20, liquid cooling plate, 30, conductive connecting piece,

[0026] 100, base, 110, sliding groove, 210, first stand, 220, elastic piece, 230, clamping piece, 231, profiling surface, 240, limiting rod, 241, first end, 242, second end, 251, first bar-shaped hole, 252, first positioning nut, 260, second stand, 271, second bar-shaped hole, 272, bolt, 280, sliding plate, 281, sliding rail, 300, support, 410, movable rod, 420, second positioning nut. DETAILED DESCRIPTION

[0027] The utility model will be further explained in detail in combination with the drawings and examples. It can be understood that the specific examples described here are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawing, not all structures.

[0028] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other features between them. Moreover, first feature "on", "above" and "upper surface of" second feature includes that first feature is directly above and obliquely above second feature, or only indicates that the horizontal height of first feature is higher than second feature. First feature "under", "below" and "under surface of" second feature includes that first feature is directly below and obliquely below second feature, or only indicates that the horizontal height of first feature is less than second feature.

[0030] In the description of the embodiment, the terms "upper", "lower", "right", "left", "horizontal", "vertical", "clockwise", "counterclockwise", "front", "back", "under", "above", "up", "down", "side", "end", "edge", "face", "point", "line", "plane" and other orientation or position relations are based on the orientation or position relations shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.

[0031] The embodiment provides a clamp for battery liquid cooling test, which can make the battery and the liquid cooling plate closely adhere to achieve the effect of restoring the battery system end liquid cooling scene.

[0032] Specifically, as shown in the drawing, Figure 1 The clamp for battery liquid cooling test comprises a base 100 and two clamping assemblies, wherein the two clamping assemblies are oppositely arranged, the clamping assembly comprises a first stand 210, an elastic member 220 and a clamping piece 230, the first stand 210 is arranged on the base 100, one end of the elastic member 220 is connected with the first stand 210, and the other end is connected with the clamping piece 230, the elastic member 220 of each clamping assembly is located on the side, away from the other clamping assembly, of the clamping piece 230 of the clamping assembly, and the elastic member 220 is in a compressed state, so that the clamping pieces 230 of the two clamping assemblies can cooperate to clamp the battery 10 and the liquid cooling plate 20.

[0033] In actual use, the battery 10 and the liquid cooling plate 20 are arranged between the two clamping pieces 230 along a second direction D2, the second direction D2 is the extension direction of the elastic member 220, and since the elastic member 220 is in a compressed state, under the action of the elastic force of the elastic member 220, the two clamping pieces 230 can cooperate to clamp the battery 10 and the liquid cooling plate 20, so that the battery 10 and the liquid cooling plate 20 are closely adhered, and the effect of restoring the battery 10 system end liquid cooling scene is achieved.

[0034] It should be noted that the battery liquid cooling test clamp provided in the embodiment is used for square batteries and cylindrical batteries, and for cylindrical batteries, the liquid cooling plate commonly used for cylindrical batteries is a serpentine liquid cooling plate. By using the battery liquid cooling test clamp provided in the embodiment, the clamping members of the two clamping assemblies can clamp the cylindrical battery and the serpentine liquid cooling plate under the elastic force of the elastic members of the two clamping assemblies, so that the serpentine liquid cooling plate can be closely attached to the cylindrical battery, so as to restore the battery system end liquid cooling scene as much as possible.

[0035] It should also be noted that in actual application, the liquid cooling plate 20 can be selectively arranged on one side or both sides of the battery 10 in the second direction D2. Figure 1 As shown in the figure, the liquid cooling plate 20 is arranged on both sides of the battery 10.

[0036] Further, as shown in Figure 1 and Figure 2 The side of the clamping members 230 of the two clamping assemblies facing each other is a profiling surface 231, which is matched with the shape of the outer wall of the serpentine liquid cooling plate, so that the profiling surface 231 can be closely attached to the outer wall of the serpentine liquid cooling plate, thereby improving the clamping force of the serpentine liquid cooling plate and the cylindrical battery.

[0037] In the embodiment, the elastic member 220 is a spring, and in other embodiments, the elastic member 220 can also be other elements such as rubber that have a certain elasticity.

[0038] Optionally, as shown in Figure 1 The clamping member 230 is fixed with a conductive connecting piece 30, which is used to connect with the battery 10 and connect with the cable of the test cabinet (not shown in the figure) to perform the test.

[0039] Optionally, as shown in Figure 1 The clamping assembly further includes a limiting rod 240, the limiting rod 240 is arranged in the elastic member 220, the limiting rod 240 includes a first end 241 and a second end 242, the first end 241 is connected with the clamping member 230, and the second end 242 is connected with the first vertical column 210, so as to limit the elastic member 220 in the radial direction and prevent the elastic member 220 from being deformed in the radial direction.

[0040] Further, the second end 242 is movably arranged along the axial direction of the limiting rod 240 in the first column 210, and when the elastic member 220 is compressed, the second end 242 moves in a direction away from the clamping member 230, and when the elastic member 220 rebounds, the second end 242 moves in a direction towards the clamping member 230. Of course, in other embodiments, the compression and rebound of the elastic member 220 can also be achieved by other structures, for example, the limiting rod 240 is a telescopic rod, and when the elastic member 220 is compressed, the limiting rod 240 shortens, and when the elastic member 220 rebounds, the limiting rod 240 lengthens.

[0041] Optionally, the second end 242 is in sliding connection with the first column 210 in the first direction D1, and one end of the elastic member 220 is in sliding connection with the first column 210 in the first direction D1, and the first direction D1 is configured as the axial direction of the battery 10, so that the position of the clamping member 230 in the first direction D1 can be adjusted, and in actual application, the clamping position of the two clamping members 230 on the liquid cooling plate 20 in the first direction D1 can be adjusted according to requirements.

[0042] Further, the clamping assembly further comprises a first positioning structure for locking the position of the second end 242 on the first column 210, and after adjusting the position of the clamping member 230 in the first direction D1, the position of the clamping member 230 in the first direction D1 is locked by locking the position of the second end 242 on the first column 210 through the first positioning structure.

[0043] Further, the first positioning structure comprises a first slot 251, a first positioning nut 252, and a first external thread, the first slot 251 is arranged on the first column 210, and the first slot 251 extends in the first direction D1, the second end 242 is arranged in the first slot 251 and in sliding connection with the first slot 251, the first positioning nut 252 is located on the side of the first column 210 away from the clamping member 230, the limiting rod 240 is provided with the first external thread at least at the second end 242, the first positioning nut 252 is in threaded connection with the first external thread, and after adjusting the position of the clamping member 230 in the first direction D1, the first positioning nut 252 is screwed until the first positioning nut 252 abuts against the edge of the first slot 251, thereby locking the position of the second end 242 on the first column 210, and further locking the position of the clamping member 230 in the first direction D1.

[0044] In another embodiment, the first positioning structure includes a first strip-shaped hole 251, a first elastic positioning protrusion, and a plurality of first positioning grooves. The first strip-shaped hole 251 is formed in the first column 210 and extends along the first direction D1. The second end 242 penetrates the first strip-shaped hole 251 and is in sliding fit with the first strip-shaped hole 251. The plurality of first positioning grooves are formed on the inner wall of the first strip-shaped hole 251 at intervals along the first direction D1. The first elastic positioning protrusion is provided on the second end 242 and is detachably clamped in the first positioning groove. When the first elastic positioning protrusion is clamped in a certain first positioning groove, the position of the second end 242 on the first column 210 is locked, and the position of the clamping piece 230 in the first direction D1 is locked.

[0045] Optionally, as shown in Figure 1 The clamping assembly further includes a second column 260. The second column 260 is in sliding connection with the base 100 along a second direction D2, which is the extension direction of the elastic member 220. The clamping piece 230 is in sliding connection with the second column 260 along the first direction D1. This structure design can guide the movement of the clamping piece 230 in the first direction D1 and improve the accuracy of clamping the position of the liquid cooling plate 20 by the clamping piece 230.

[0046] Further, the number of the second columns 260 is two. The two second columns 260 are located on the opposite sides of the clamping piece 230 along a third direction D3. The first direction D1 and the second direction D2 are perpendicular to the third direction D3, so as to improve the guiding effect on the clamping piece 230.

[0047] Further, the clamping assembly further includes a second positioning structure. The second positioning structure includes a second strip-shaped hole 271, a screw hole group, and a bolt group. The second strip-shaped hole 271 is formed in the second column 260 and extends along the first direction D1. The screw hole group includes two screw holes. The two screw holes are oppositely formed on the two sides of the clamping piece 230 in the third direction D3. The bolt group includes two bolts 272. The two bolts 272 correspond to the two screw holes one by one. Each bolt 272 penetrates a corresponding second strip-shaped hole 271 and is in sliding fit with the second strip-shaped hole 271. Each bolt 272 is in threaded fit with a corresponding screw hole. The nuts of the two bolts 272 can clamp the clamping piece 230 between the two second columns 260, so as to lock the clamping piece 230 on the second column 260.

[0048] In another embodiment, the second positioning structure includes a second strip-shaped hole 271, a protrusion, a second elastic positioning protrusion, and a plurality of second positioning grooves, the second strip-shaped hole 271 is formed on the second column 260, the second strip-shaped hole 271 extends along the first direction D1, the protrusion is provided on the side wall of the clamping piece 230, the second elastic positioning protrusion is provided on the protrusion, and the plurality of second positioning grooves are formed on the inner wall of the second strip-shaped hole 271 at intervals along the first direction D1, the second elastic positioning protrusion is detachably connected to the second positioning groove, and when the second elastic positioning protrusion is clamped in a certain second positioning groove, the position of the clamping piece 230 in the first direction D1 is locked.

[0049] Optionally, the clamping assembly further includes a sliding plate 280, the two second columns 260 in the same clamping assembly are arranged on the sliding plate 280, the sliding plate 280 is provided with a sliding rail 281 on the side facing the base 100, the base 100 is provided with a sliding groove 110 extending along the second direction D2, the sliding rail 281 and the sliding groove 110 are in sliding fit, thereby enabling the two second columns 260 in the same clamping assembly to slide synchronously along the second direction D2, and the operation difficulty is simplified.

[0050] Optionally, as shown in Figure 3 the battery liquid cooling test clamp further includes a lifting assembly, the lifting assembly includes a support 300 and a third positioning structure, the support 300 is used for supporting the liquid cooling plate 20, the support 300 is movably connected to the base 100 along the first direction D1, the first direction D1 is configured as the axial direction of the battery 10, and the third positioning structure is used for locking the position of the support 300 in the first direction D1. The design of this structure can adjust the position of the liquid cooling plate 20 in the first direction D1. When the height of the battery 10 is different, the distance between the bottom of the battery 10 and the bottom of the liquid cooling plate 20 is different. Therefore, the design of adjusting the position of the liquid cooling plate 20 in the first direction D1 achieves the adjustment of the distance between the bottom of the battery 10 and the bottom of the liquid cooling plate 20, thereby enabling the battery liquid cooling test clamp to be applicable to batteries 10 of different heights, and improving the universality of the battery liquid cooling test clamp.

[0051] Further, the third positioning structure includes a movable rod 410 and a second positioning nut 420, the movable rod 410 is movably arranged in the base 100 (i.e., the base 100 is provided with a through hole, and the movable rod 410 is in clearance fit with the through hole, so that the movable rod 410 can be movably arranged in the through hole), and the movable rod 410 is connected with the support 300, the movable rod 410 is provided with a second external thread, the second positioning nut 420 is rotatably connected with the base 100, and the second positioning nut 420 is in threaded fit with the second external thread. After the liquid cooling plate 20 is adjusted to a suitable height, the second positioning nut 420 is tightened to lock the position of the liquid cooling plate 20 in the first direction D1.

[0052] In another embodiment, the third positioning structure comprises a movable rod 410, a third elastic positioning protrusion and a plurality of third positioning slots, one end of the movable rod 410 is connected with the support 300, the plurality of third positioning slots are formed on the movable rod 410 at intervals along the axial direction of the movable rod 410, a through hole is arranged on the base 100, the third elastic positioning protrusion is arranged on the hole wall of the through hole, the movable rod 410 is movably arranged in the through hole, when the third elastic positioning protrusion is clamped in a certain third positioning slot, the position of the support 300 in the first direction D1 can be locked, and then the position of the liquid cooling plate 20 in the first direction D1 can be locked.

[0053] In the embodiment, the limiting rod 240 is a screw rod, and the movable rod 410 is a screw. The limiting rod 240 and the first positioning nut 252 are made of metal, and the other components are made of hard plastic, so that the structural strength is ensured, the insulation between the battery 10 and the other components is ensured, and the cost is reduced.

[0054] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be carried out without departing from the protection scope of the utility model. Here, all the embodiments need not and cannot be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A jig for battery liquid cooling test, characterized by, The utility model relates to a battery and liquid cooling plate clamping device, including: Base (100); Two clamping components, two the clamping component opposite arrangement, the clamping component includes first stand (210), elastic member (220) and clamping piece (230), first stand (210) sets up on base (100), one end of elastic member (220) is connected with first stand (210), and the other end is connected with clamping piece (230), and the elastic member (220) of each clamping component is located the side of the clamping piece (230) of this clamping component away from another clamping component, and the elastic member (220) is compression state, so that the clamping piece (230) of two clamping components can cooperate and clamps battery (10) and liquid cooling plate (20).

2. The battery liquid cooling test jig according to claim 1, characterized by, The clamping component further includes a limiting rod (240), the limiting rod (240) is provided in the elastic member (220), the limiting rod (240) includes a first end (241) and a second end (242), the first end (241) is connected with the clamping piece (230), and the second end (242) is connected with the first stand (210).

3. The battery liquid cooling test jig according to claim 2, characterized by, The second end (242) and the first stand (210) are connected in sliding along a first direction (D1), and the one end of the elastic member (220) is connected in sliding along the first direction (D1) with the first stand (210), and the first direction (D1) is configured as the axial direction of the battery (10).

4. The battery liquid cooling test jig according to claim 3, characterized by The clamping component further includes a first positioning structure for locking the position of the second end (242) on the first stand (210).

5. The battery liquid cooling test jig according to claim 4, wherein The first positioning structure includes a first slot (251), a first positioning nut (252) and a first external thread, the first slot (251) is formed on the first stand (210), and the first slot (251) extends along the first direction (D1), the second end (242) is provided in the first slot (251) and is matched with the first slot (251) in sliding, the first positioning nut (252) is located on the side of the first stand (210) away from the clamping piece (230), and the limiting rod (240) is provided with the first external thread at least the second end (242), and the first positioning nut (252) is matched with the first external thread in screwing.

6. The battery liquid cooling test fixture of claim 3, wherein The clamping component further includes a second stand (260), the second stand (260) is connected in sliding with the base (100) along a second direction (D2), the second direction (D2) is the extension direction of the elastic member (220), and the clamping piece (230) is connected in sliding with the second stand (260) along the first direction (D1).

7. The battery liquid cooling test jig according to claim 6, wherein The number of the second stand (260) is two, and the two second stands (260) are located on the opposite sides of the clamping piece (230) along a third direction (D3), and the first direction (D1) and the second direction (D2) are perpendicular to the third direction (D3).

8. The battery liquid cooling test fixture of claim 7, wherein The clamping assembly further comprises a second positioning structure, the second positioning structure comprises a second strip-shaped hole (271), a threaded hole set and a bolt set, the second strip-shaped hole (271) is arranged on the second column (260), the second strip-shaped hole (271) extends along the first direction (D1), the threaded hole set comprises two threaded holes, the two threaded holes are oppositely arranged on two sides of the clamping piece (230) in the third direction (D3), the bolt set comprises two bolts (272), the two bolts (272) correspond to the two threaded holes one by one, each bolt (272) is respectively arranged in a corresponding second strip-shaped hole (271) and is in sliding fit with the second strip-shaped hole (271), and each bolt (272) is respectively in threaded fit with a corresponding threaded hole, the nuts of the two bolts (272) can clamp the clamping piece (230) between the two second columns (260).

9. The battery liquid cooling test fixture according to any one of claims 1 to 8, wherein The battery liquid cooling test clamp further comprises a lifting assembly, the lifting assembly comprises a support (300) and a third positioning structure, the support (300) is used for supporting the liquid cooling plate (20), the support (300) is movably connected with the base (100) along a first direction (D1), the first direction (D1) is configured as an axial direction of the battery (10), and the third positioning structure is used for locking the position of the support (300) in the first direction (D1).

10. The battery liquid cooling test fixture of claim 9, wherein The third positioning structure comprises a movable rod (410) and a second positioning nut (420), the movable rod (410) movably penetrates the base (100), and the movable rod (410) is connected with the support (300), the movable rod (410) is provided with a second external thread, and the second positioning nut (420) is rotatably connected with the base (100) and is in threaded fit with the second external thread.

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