Cylindrical battery test fixture

Abstract

The utility model discloses a cylindrical battery test fixture, which belongs to the technical field of battery test, and comprises a bottom plate, a first probe fixing plate and a second probe fixing plate, a clamping part used for clamping a battery to fix the battery on the bottom plate is fixedly mounted on the bottom plate, the clamping part comprises a through groove used for placing the battery, and the first probe fixing plate and the second probe fixing plate are fixedly mounted on the bottom plate. The left side and the right side of the through groove are each provided with an arc-shaped guide part, the two arc-shaped guide parts are smoothly connected with the groove face of the through groove to form a groove opening of the through groove, and the opening size of the groove opening is gradually narrowed from top to bottom. The first probe fixing plate is provided with a first probe which can abut against an electrode on one side of the battery. The second probe fixing plate is provided with a second probe which can abut against the electrode on the other side of the battery. The cylindrical battery test fixture can prevent a battery from welding a tab and can be connected with a wire of a charging and discharging cabinet more conveniently, so that the risk of battery damage is reduced, the test operation is simplified, and the effect of improving the test efficiency is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to battery test technical field, especially related to a cylindrical battery test fixture. BACKGROUND

[0002] In prior art, when the cylindrical battery is tested for electrical performance, the wires of the charge-discharge cabinet cannot be directly connected to the positive and negative poles of the cylindrical battery, so the positive and negative poles of the cylindrical battery are generally welded with tabs in advance, and the wires are connected through the tabs, however, this welding tab method is not only troublesome, but also often accompanied by the risk of damaging the battery, so that the cylindrical battery is damaged.

[0003] Therefore, the prior art needs to be improved and developed. INVENTION CONTENTS

[0004] The utility model discloses a cylindrical battery test fixture can avoid battery welding tab and connect the wire of charge-discharge cabinet more conveniently, and it is favorable to reduce the risk of battery damage and simplify the test operation, reach the effect of improving test efficiency.

[0005] In the first aspect, the utility model provides a cylindrical battery test fixture, which comprises:

[0006] A bottom plate is fixedly installed with a clamping part, and the clamping part is used for clamping a battery to fix the battery on the bottom plate.

[0007] A first probe fixing plate is installed on the bottom plate and located at the front end of the clamping part, and a first probe is installed on the first probe fixing plate, which is connected with a wire and can abut against one side electrode of the battery.

[0008] A second probe fixing plate is installed on the bottom plate and located at the rear end of the clamping part, and a second probe is installed on the second probe fixing plate, which is connected with a wire and can abut against the other side electrode of the battery.

[0009] The clamping part comprises a through slot for placing the battery, and the left and right sides of the through slot are provided with arc-shaped guide parts, both the arc-shaped guide parts are smoothly connected with the slot surface of the through slot and constitute the slot opening of the through slot, and the opening size of the slot opening gradually narrows from top to bottom.

[0010] The cylindrical battery test fixture can directly connect the wires of the charge-discharge cabinet and switch to the positive and negative poles of the battery, and the tab does not need to be welded on the battery in advance, so the risk of damaging the battery due to welding the tab is eliminated.

[0011] Further, the bottom plate is provided with a sliding groove, the first probe fixing plate and the second probe fixing plate are both slidingly arranged on the sliding groove and can move away from or close to the clamping part in the front-rear direction.

[0012] The user can conveniently adjust the distance between the second probe and the first probe, so that the test fixture is suitable for batteries of various lengths, thereby improving the applicability of the test fixture.

[0013] Further, the first probe fixing plate is fixedly provided with a first sliding rod, the first sliding rod penetrates through the first probe fixing plate and is slidingly connected with a first movable plate, the first movable plate is located on the side of the first probe fixing plate close to the clamping part, a first spring is connected between the first movable plate and the first probe fixing plate, and the first spring is used to provide elastic force for the first movable plate; and the first probe is fixedly installed on the first movable plate.

[0014] The first probe is driven away from the clamping part by compressing the first spring through pressing the first movable plate, so as to provide sufficient installation space for the battery, thereby reducing the installation difficulty of the battery and facilitating the user to fix the battery on the bottom plate.

[0015] Further, the first movable plate is slidingly arranged on the sliding groove.

[0016] This is favorable to improve the stability of the first movable plate during movement, thereby facilitating the user to better control the movement of the first movable plate.

[0017] Further, the second probe fixing plate is fixedly provided with a second sliding rod, the second sliding rod penetrates through the second probe fixing plate and is slidingly connected with a second movable plate, the second movable plate is located on the side of the second probe fixing plate close to the clamping part, a second spring is connected between the second movable plate and the second probe fixing plate, and the second spring is used to provide elastic force for the second movable plate; and the second probe is fixedly installed on the second movable plate.

[0018] Further, the second movable plate is slidingly arranged on the sliding groove.

[0019] Further, a plurality of slot holes penetrating through the clamping part are arranged on the left and right sides of the through groove, and the plurality of slot holes on the same side are distributed in the up-down direction.

[0020] Further, the first probe fixing plate is locked on the sliding groove through a screw.

[0021] Further, the second probe fixing plate is locked on the sliding groove through a screw.

[0022] From the above, the cylindrical battery test fixture of the utility model connects the electric wire of the probe with the electric wire of the charging and discharging cabinet and abuts against the positive and negative poles of the battery in a clamping mode to complete the switching of the electric wire and avoid welding the pole lug of the battery, simplify the test operation, make the user more convenient to connect the electric wire of the charging and discharging cabinet to the battery, improve the test efficiency and eliminate the risk of damaging the battery due to welding the pole lug.

[0023] Other features and advantages of the present application will be further described in the following specification, and some of them will become apparent from the specification, or will be understood through implementation of the present application. The objectives and other advantages of the present application can be achieved and obtained through the structures specifically pointed out in the written specification and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The structure schematic diagram of the cylindrical battery test fixture provided by the utility model embodiment.

[0025] Figure 2 The structure schematic diagram of the first probe fixing plate in the utility model embodiment.

[0026] Figure 3 The perspective view of the clamping part in the utility model embodiment.

[0027] Figure 4 The front view of the clamping part in the utility model embodiment.

[0028] Label explanation:

[0029] 100, bottom plate; 110, sliding groove; 200, clamping part; 210, through slot; 220, arc-shaped guide part; 230, slot hole; 300, battery; 400, first probe fixing plate; 410, first probe; 420, first sliding rod; 430, first movable plate; 440, first spring; 500, second probe fixing plate; 510, second probe; 520, second sliding rod; 530, second movable plate; 540, second spring. DETAILED DESCRIPTION

[0030] The embodiments of the present application will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0031] In the description of the utility model, it is necessary to understand that the orientation or positional relation indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relation based on the orientation or positional relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified and limited.

[0032] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection or can communicate with each other, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction relationship between 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.

[0033] In the utility model, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0034] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0035] It should be noted that the "front-rear direction", "left-right direction" and "up-down direction" in the following are taken as references with the arrows marked as references. Figure 1

[0036] With reference to the accompanying drawings, the present application provides a cylindrical battery test fixture, comprising: Figure 1

[0037] A bottom plate 100, a clamping portion 200 is fixedly installed on the bottom plate 100, and the clamping portion 200 is used to clamp a battery 300 so that the battery 300 is fixed on the bottom plate 100;

[0038] A first probe fixing plate 400 is installed on the bottom plate 100 and located at the front end of the clamping portion 200, and a first probe 410 is installed on the first probe fixing plate 400, and the first probe 410 is connected with an electric wire and can abut against one side electrode of the battery 300;

[0039] A second probe fixing plate 500 is installed on the bottom plate 100 and located at the rear end of the clamping portion 200, and a second probe 510 is installed on the second probe fixing plate 500, and the second probe 510 is connected with an electric wire and can abut against the other side electrode of the battery 300.

[0040] In the actual application, the second probe 510 and the first probe 410 replace the electric wire of the traditional pole lug connection charging and discharging cabinet, and then cooperate with each other to be connected to the positive and negative electrodes of the battery 300 in a clamping manner, thereby simplifying the test operation and more conveniently connecting the electric wire in the case of not welding the pole lug of the battery 300, so as to improve the test efficiency and protect the battery 300.

[0041] ​​It should be noted that in actual use, the positions of the first probe 410 and the second probe 510 do not need to be distinguished according to the positive and negative poles of the battery 300. The first probe 410 can abut against the positive pole of the battery 300, and the second probe 510 can abut against the negative pole of the battery 300. Alternatively, the first probe 410 can abut against the negative pole of the battery 300, and the second probe 510 can abut against the positive pole of the battery 300.

[0042] In some embodiments, reference is made to the accompanying drawings Figure 1 The base plate 100 is provided with a sliding groove 110, and the first probe fixing plate 400 and the second probe fixing plate 500 are both slidingly arranged on the sliding groove 110 and can move away from or close to the clamping part 200 in the front-rear direction.

[0043] In this embodiment, the first probe fixing plate 400 and the second probe fixing plate 500 are both slidingly arranged on the sliding groove 110, so that the user can conveniently adjust the distance between the second probe 510 and the first probe 410, so that the test fixture is suitable for batteries 300 of various lengths, and the applicability of the test fixture is improved.

[0044] In some embodiments, reference is made to the accompanying drawings Figure 2 The first probe fixing plate 400 is fixedly provided with a first sliding rod 420, the first sliding rod 420 passes through the first probe fixing plate 400 and is slidingly connected with a first movable plate 430, the first movable plate 430 is located on the side of the first probe fixing plate 400 close to the clamping part 200, a first spring 440 is connected between the first movable plate 430 and the first probe fixing plate 400, the first spring 440 is used to provide elastic force for the first movable plate 430, and the first probe 410 is fixedly installed on the first movable plate 430.

[0045] In this embodiment, in actual use, after the first probe fixing plate 400 and the second probe fixing plate 500 are fixed on the base plate 100, in order to facilitate the user to install the battery 300, the first probe 410 is arranged to be movable and is driven by the first spring 440 through elastic force, so that the user can press the first movable plate 430 to compress the first spring 440, thereby driving the first probe 410 to move away from the clamping part 200, and providing sufficient installation space for the battery 300, thereby reducing the installation difficulty of the battery 300 and facilitating the user to fix the battery 300 on the base plate 100.

[0046] In some embodiments, the first movable plate 430 is slidingly arranged on the sliding groove 110, which is conducive to improving the stability of the first movable plate 430 when moving, thereby facilitating the user to better control the movement of the first movable plate 430.

[0047] In some embodiments, reference is made to the accompanying drawings Figure 1The second probe fixing plate 500 is fixedly provided with a second sliding rod 520 penetrating through the second probe fixing plate 500 and slidably connected with a second movable plate 530, the second movable plate 530 is located on the side of the second probe fixing plate 500 close to the clamping part 200, and a second spring 540 is connected between the second movable plate 530 and the second probe fixing plate 500, the second spring 540 is used for providing elastic force for the second movable plate 530; and the second probe 510 is fixedly installed on the second movable plate 530.

[0048] In the embodiment, in actual use, after the first probe fixing plate 400 and the second probe fixing plate 500 are fixed on the bottom plate 100, in order to facilitate the user to install the battery 300, the second probe 510 is arranged to be movable and driven by the second spring 540 through elastic force, so that the user can press the second movable plate 530 to make the second spring 540 compressed to drive the second probe 510 away from the clamping part 200, thereby providing sufficient installation space for the battery 300, so as to reduce the installation difficulty of the battery 300 and facilitate the user to fix the battery 300 on the bottom plate 100.

[0049] In some embodiments, the second movable plate 530 is slidably arranged on the sliding groove 110, which is conducive to improving the stability of the second movable plate 530 when moving, thereby facilitating the user to better control the movement of the second movable plate 530.

[0050] In some embodiments, referring to the accompanying drawings Figure 1 , the accompanying drawings Figure 3 and the accompanying drawings Figure 4 , the clamping part 200 comprises a through slot 210 for placing the battery 300, and the left and right sides of the through slot 210 are provided with arc-shaped guide parts 220, the two arc-shaped guide parts 220 are smoothly connected with the slot surface of the through slot 210 and constitute the slot opening of the through slot 210, and the opening size of the slot opening gradually narrows from top to bottom.

[0051] For the cylindrical battery, the arc-shaped guide part 220 is in contact with the cylindrical surface of the battery 300 and can guide the battery 300 to smoothly slide into the through slot 210, thereby reducing the installation difficulty of the battery 300, and at the same time, the slot opening is designed to have an opening size gradually narrowing from top to bottom, which can also prevent the battery 300 from easily falling out of the through slot 210, thereby improving the reliability of the test fixture and ensuring the smooth test.

[0052] In some embodiments, referring to the accompanying drawings Figure 1 , the accompanying drawings Figure 3 and the accompanying drawings Figure 4 , the left and right sides of the through slot 210 are provided with a plurality of slot holes 230 penetrating through the clamping part 200, and the plurality of slot holes 230 on the same side are distributed in the up-down direction.

[0053] Since the opening size of the notch is gradually narrowed from top to bottom, the clamping portion 200 must have a certain deformation capacity when the battery 300 is installed, so that the battery 300 can break through the narrower position in the notch and be installed in the through groove 210 and clamped by the clamping portion 200 from both sides. Therefore, the embodiment is provided with a plurality of slot holes 230 distributed along the up-down direction on the left and right sides of the through groove 210 to reduce the rigidity of the structure on the left and right sides of the clamping portion 200 and make it have a certain deformation capacity, thereby facilitating the installation of the battery 300 and facilitating the user to install the battery 300.

[0054] In some embodiments, the first probe fixing plate 400 is locked on the sliding groove 110 by screws.

[0055] In some embodiments, the second probe fixing plate 500 is locked on the sliding groove 110 by screws.

[0056] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0057] The above only describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application.

Claims

1. A cylindrical battery test fixture, characterized by, include: A base plate (100), wherein a clamping portion (200) is fixedly mounted on the base plate (100), and the clamping portion (200) is used to clamp a battery (300) so that the battery (300) is fixed on the base plate (100); a first probe fixing plate (400), the first probe fixing plate (400) being mounted on the base plate (100) and located at the front end of the clamping portion (200), a first probe (410) being mounted on the first probe fixing plate (400), the first probe (410) being connected to an external wire and being capable of contacting one side electrode of the battery (300); a second probe fixing plate (500), the second probe fixing plate (500) being mounted on the bottom plate (100) and located at the rear end of the clamping portion (200), a second probe (510) being mounted on the second probe fixing plate (500), the second probe (510) being connected to an external wire and being capable of contacting an electrode on the other side of the battery (300); The clamping portion (200) comprises a through slot (210) for placing the battery (300), and arc-shaped guide portions (220) are provided on both the left and right sides of the through slot (210), and the two arc-shaped guide portions (220) are smoothly connected to the slot surface of the through slot (210) and form a notch of the through slot (210), and the opening size of the notch gradually narrows from top to bottom.

2. The cylindrical battery test fixture of claim 1, wherein, The bottom plate (100) is provided with a slide groove (110), and the first probe fixing plate (400) and the second probe fixing plate (500) are both slidably arranged on the slide groove (110) and can move away from or approach the clamping portion (200) in the front-back direction.

3. The cylindrical battery test fixture of claim 2, wherein, A first sliding rod (420) is fixedly provided on the first probe fixing plate (400), the first sliding rod (420) passes through the first probe fixing plate (400) and is slidably connected to a first movable plate (430), the first movable plate (430) is located on a side of the first probe fixing plate (400) close to the clamping portion (200), and a first spring (440) is connected between the first movable plate (430) and the first probe fixing plate (400), the first spring (440) is used to provide elastic force for the first movable plate (430); the first probe (410) is fixedly mounted on the first movable plate (430).

4. The cylindrical battery test fixture of claim 3, wherein, The first movable plate (430) is slidably arranged on the sliding groove (110).

5. The cylindrical battery test fixture of claim 2, wherein, The second probe fixing plate (500) is fixedly provided with a second sliding rod (520), the second sliding rod (520) penetrates through the second probe fixing plate (500) and is slidingly connected with a second movable plate (530), the second movable plate (530) is located on the side of the second probe fixing plate (500) close to the clamping part (200), and a second spring (540) is connected between the second movable plate (530) and the second probe fixing plate (500), and the second spring (540) is used for providing elastic force for the second movable plate (530); and the second probe (510) is fixedly installed on the second movable plate (530).

6. The cylindrical battery test fixture of claim 5, wherein, The second movable plate (530) is slidingly arranged on the sliding groove (110).

7. The cylindrical battery test fixture of claim 1, wherein, A plurality of slot holes (230) penetrating through the clamping part (200) are arranged on the left and right sides of the through groove (210), and the plurality of slot holes (230) on the same side are distributed in the up-down direction.

8. The cylindrical battery test fixture of claim 2, wherein, The first probe fixing plate (400) is locked on the sliding groove (110) through a screw.

9. The cylindrical battery test fixture of claim 2, wherein, The second probe fixing plate (500) is locked on the sliding groove (110) through a screw.

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