CN217820494U

CN217820494U - Auxiliary jig for battery short circuit detection

Info

Publication number: CN217820494U
Application number: CN202221620327.5U
Authority: CN
Inventors: 周敬; 于力; 阮红林
Original assignee: Wuhan Haocheng Lithium Technology Co ltd
Current assignee: Wuhan Haocheng Lithium Technology Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-11-15
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses a battery short circuit detection auxiliary jig, belonging to the technical field of jigs, which comprises a bottom plate; the negative pole bracket is positioned at the top of the bottom plate and used for supporting a battery; the side plate is arranged on the bottom plate; the positive wiring piece is fixedly arranged on the side plate in a penetrating mode, and one end of the positive wiring piece can be in conductive contact with the positive electrode of the battery; and the negative wiring piece is fixedly arranged on the side plate, and one end of the negative wiring piece is in conductive contact with the negative support. Through above-mentioned structure, make anodal and the negative pole homoenergetic of battery draw forth with one side, after test equipment is connected with the tool device, operating personnel places the battery on the negative pole support through the one hand, just can detect out the short circuit condition of battery. The whole operation process is simple and convenient; moreover, the jig also reduces the number of the stop blocks, simplifies the whole structure and reduces the production cost.

Description

Auxiliary tool for battery short circuit detection

Technical Field

The utility model relates to a tool technical field, concretely relates to battery short circuit detects supplementary tool.

Background

The lithium-ion battery is a battery with high specific energy in the current chemical power supply, has the advantages of good safety performance, good low-temperature performance, long storage life, wide working temperature range, convenient use and maintenance, strong adaptability and the like, and has wide application in national economy represented by the national defense field in more than ten years. In some special fields, high requirements are required on the safety performance of the battery and the manufacturing cost of the battery.

The traditional lithium secondary battery short circuit detection needs personnel to hold positive and negative electrode meter pens with both hands to be respectively close to the positive and negative electrodes of the battery core. For specific battery use environment and process requirements, the traditional detection mode has great technical requirements on the operation mode and operation method of a worker, so that the batch operation of the worker is not facilitated. In the prior art, two stoppers are usually used and placed at the two ends of a battery respectively, probes are installed on the two stoppers respectively, an operator places the battery behind a fixing part by using one hand, the position of the front stopper needs to be adjusted to enable the probes on the front stopper and the probes on the rear stopper to clamp and contact the two poles of the battery to be tested, and then the front stopper is fixed to start testing. This complicates the design of the entire device, complicates the entire operation, and increases the cost of the entire device due to the material consumption.

Based on the above situation, an auxiliary tool for battery short circuit detection is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an auxiliary tool for detecting the short circuit of a battery, which is simple and convenient to operate; in addition, the device also reduces the number of required parts, simplifies the structure and reduces the cost.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a battery short circuit detection auxiliary fixture which characterized in that includes:

a base plate;

the negative pole bracket is positioned at the top of the bottom plate, is used for supporting a battery and is in conductive connection with a negative pole of the battery;

the side plate is arranged on the bottom plate and is made of an insulating material;

the positive wiring piece is fixedly arranged on the side plate in a penetrating mode, and one end of the positive wiring piece can be in conductive contact with the positive electrode of the battery;

the negative pole wiring piece, negative pole wiring piece fixed mounting is on the curb plate, just the one end of negative pole wiring piece with negative pole support conductive contact.

Optionally, a threaded hole is formed in the side plate, the negative wiring piece is connected to the threaded hole in a threaded manner, and the end of the negative wiring piece is abutted to the negative support.

Optionally, a first through hole is formed in the side plate, a threaded hole is formed in the negative electrode support, and the negative electrode wiring piece penetrates through the first through hole and then is connected to the negative electrode support in a threaded mode.

Optionally, a second through hole is further formed in the side plate, and the positive wiring piece is fixedly connected with the side plate through the second through hole.

Optionally, a placing groove is formed in the top of the negative electrode support, and the battery is fixedly placed in the placing groove.

Optionally, the placement groove is a U-shaped groove.

Optionally, the side plate is fixedly connected to the bottom plate and is disposed on one side of the placement groove.

Optionally, the auxiliary fixture for battery short circuit detection further comprises a substrate, and the substrate is disposed between the bottom plate and the negative electrode bracket.

Optionally, the auxiliary fixture for battery short circuit detection further comprises a fixing screw, and the fixing screw penetrates through the negative electrode support and the substrate and is in threaded connection with the bottom plate.

Optionally, the bottom plate and the side plate are both made of insulating materials.

Compared with the prior art, the beneficial effects of the utility model reside in that: this tool is through fixed mounting negative pole wiring piece and anodal wiring piece on the curb plate, makes the anodal and the negative pole homoenergetic of battery draw forth with one side, after test equipment is connected with negative pole wiring piece and anodal wiring piece, operating personnel places the battery on the negative pole support through the one hand, and negative pole wiring piece passes through the negative pole support and is connected with battery negative pole electrically conductive this moment, and the anodal and anodal wiring piece electrically conductive connection of battery, just can detect the short circuit condition of battery through check out test set afterwards. Through above-mentioned battery short circuit detection auxiliary fixture, can simplify the operation process, the device has still reduced the quantity of required dog moreover, has simplified overall structure, has reduced manufacturing cost.

Drawings

Fig. 1 is a schematic structural view of an auxiliary fixture for battery short circuit detection provided in an embodiment of the present invention;

fig. 2 is a right side view of the auxiliary fixture for battery short circuit detection provided in the embodiment of the present invention;

fig. 3 is a front view of the auxiliary fixture for battery short circuit detection provided by the embodiment of the present invention.

In the figure:

1. a base plate; 2. a negative electrode holder; 3. a side plate; 31. a first through hole; 32. a second through hole; 4. a positive wiring member; 5. a negative wiring member; 6. a substrate.

Detailed Description

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

Traditional battery short circuit detection needs personnel to hold positive negative pole pen-shape metre and press close to the positive negative pole of electricity core respectively with both hands. For specific battery use environment and process requirements, the traditional detection mode has great technical requirements on the operation mode and the operation method of a worker, so that the batch operation of the worker is not facilitated. In the prior art, two stoppers provided with probes are usually used to be respectively placed at two ends of a battery, an operator still needs to adjust the position of the front stopper after placing the battery on a fixing part by one hand so that the probes on the front stopper and the probes on the rear stopper clamp two poles of the battery to be tested, and then the front stopper is fixed to start testing. This complicates the detection device, complicates the entire operation, and also consumes parts and materials, which increases the cost of the entire device.

Therefore, this embodiment provides a supplementary tool of battery short circuit detection, and this supplementary tool of battery short circuit detection not only lets operating personnel detect the battery through simple, the convenience of one hand, but also has reduced the quantity of required dog, has simplified the structure of this supplementary tool of battery short circuit detection, has reduced manufacturing cost.

Referring to fig. 1 to 3, the auxiliary fixture for battery short circuit detection provided in this embodiment includes a bottom plate 1, a side plate 3, a negative electrode bracket 2, a positive electrode wiring member 4, and a negative electrode wiring member 5. Wherein, the side plate 3 is arranged on the bottom plate 1; the negative pole bracket 2 is positioned at the top of the bottom plate 1 and is used for supporting a battery to be detected; the positive wiring piece 4 is fixedly arranged on the side plate 3 in a penetrating way, one end of the positive wiring piece 4 can be in conductive contact with the positive electrode of the battery to be detected, and the other end of the positive wiring piece 4 is fixedly connected with a positive testing wire of testing equipment (not shown in the figure); the negative pole wiring piece 5 is fixedly arranged on the side plate 3, one end of the negative pole wiring piece can penetrate through the side plate 3 to be in conductive contact with the negative pole bracket 2, and the other end of the negative pole wiring piece is fixedly connected with a negative pole test line of the test equipment. Through the auxiliary tool for detecting the short circuit of the battery, the negative wiring piece 5 and the positive wiring piece 4 are fixed on the same side plate 3, so that the positive electrode and the negative electrode of the battery can be led out at the same side, after the auxiliary tool for detecting the short circuit of the battery is connected with a testing device, an operator can realize the short circuit detection of the battery after placing the battery on the negative electrode bracket 2 by one hand, and the whole detection process is simple and convenient to operate; moreover, the jig also reduces the number of required stop blocks, simplifies the structure of the whole jig and reduces the production cost. It should be noted that the detection battery used in this embodiment is a lithium secondary battery, which is a bare cell battery and is formed by sequentially winding a positive electrode plate, an insulating layer, and a negative electrode plate, and an outermost layer of the lithium secondary battery is the negative electrode plate.

Further, in this embodiment, bottom plate 1 adopts current insulating material to make, can adopt materials such as rubber, plastics, glass, pottery to play insulating effect, operating personnel can hold in the palm bottom plate 1 and move such as means of operation to this battery short circuit detection auxiliary tool, thereby guaranteed operating personnel's safety.

Optionally, referring to fig. 2, a first through hole 31 and a second through hole 32 are formed in a side surface of the side plate 3, a part of the negative wiring member 5 passes through the first through hole 31, and an end of the negative wiring member is in conductive contact with the negative electrode holder 2; part of the positive wiring piece 4 penetrates through the second through hole 32, and the end part of the positive wiring piece is in conductive contact with the positive electrode of the battery on the negative electrode support 2, so that a positive electrode test wire and a negative electrode test wire of the test equipment can be respectively fixedly connected with one ends, extending out of the side plates 3, of the positive wiring piece 4 and the negative electrode wiring piece 5, the negative electrode wiring piece 5 is prevented from being installed by parts such as the additional side plates 3, the structure of the auxiliary jig for testing the short circuit of the battery is simplified, and the operation process of an operator is simpler and more convenient.

Further, in this embodiment, the side plate 3 is made of an existing insulating material, and may be made of rubber, plastic, glass, ceramic or other materials, so as to perform an insulating function, and avoid the risk of electric shock when an operator mistakenly touches the side plate 3.

It should be noted that, the bottom plate 1 is fixedly connected with the side plate 3 by any one of welding, riveting, screwing or bonding, so that the influence of poor contact between the positive wiring piece 4 and the battery anode and/or the negative wiring piece 5 and the battery cathode caused by displacement or dislocation between the side plate 3 and the bottom plate 1 is avoided, the whole structure has reliability, the whole structure is more stable, and the detection efficiency of an operator on the battery short circuit is improved.

Optionally, in this embodiment, a threaded hole (not shown in the figure) is formed in one side of the negative electrode bracket 2, and the negative electrode wiring piece 5 passes through the first through hole 31 and then is in threaded connection with the negative electrode bracket 2, so that the negative electrode wiring piece 5 and the negative electrode bracket 2 are in conductive contact.

It should be noted that, in another embodiment, the side surface of the negative electrode support 2 is smooth, the threaded hole is not formed, the negative electrode wiring member 5 passes through the first through hole 31 and then abuts against the negative electrode support 2, and through such an arrangement, the negative electrode wiring member 5 and the negative electrode support 2 can also be in conductive contact, so that an additional threaded hole needs to be formed in the negative electrode support 2 and the negative electrode wiring member 5 is in threaded connection, and thus, the operation steps of an operator are simplified.

Further, as shown in fig. 1, a placing groove for placing the battery is further formed at the top of the negative electrode support 2, so that the battery is prevented from being unstably mounted on the negative electrode support 2, and additional operation steps required for fixing the battery are simplified. Especially when the battery is the inferior battery of lithium, operating personnel only need put into the standing groove with the battery, and the surface of battery just can let negative pole support 2 and battery carry out the electrically conductive connection after contacting with the side of standing groove and/or the bottom surface of standing groove to carry out next test work.

Further, in the present embodiment, the placing groove is formed in a U shape, so that the shape of the detecting battery used in the present invention can be adapted. It is understood that, in other embodiments, the shape of the placing groove may also be rectangular, so as to be suitable for placing batteries whose external shapes are rectangular or other shapes, and those skilled in the art can select the shape of the placing groove according to actual working condition requirements.

In this embodiment, positive pole wiring piece 4 adopts the bar copper for the bar copper with the utility model discloses the positive pole piece contact back of the battery that detects can take the electropositivity. Further, this bar copper and test equipment's anodal test wire carries out fixed connection through the welded mode, can understand, the utility model discloses do not inject the material kind and the shape that anodal wiring piece 4 used, as long as this anodal wiring piece 4 passes curb plate 3 smoothly and carries out conductive contact with the positive pole of battery, just all within the protection scope of the utility model. Besides, the utility model discloses also not injecing the fixed connection mode of anodal wiring piece 4 and anodal test wire, as long as can be with both fixed connection of these, just all the utility model discloses an within the protection scope.

Alternatively, a portion of the negative electrode wiring member 5 not passing through the first through hole 31 can be wound by a negative electrode test wire of the test device, thereby fixedly connecting the negative electrode test wire and the negative electrode wiring member 5. It can be understood that the utility model discloses also not injecing the connected mode between negative pole test wire and the negative pole wiring piece 5, also can carry out fixed connection through the mode of welding, bonding, butt fusion or mechanical connection between the two, the utility model discloses do not injecing this connected mode.

With continued reference to fig. 1, in order to improve stability, the auxiliary fixture for battery short circuit detection further includes a substrate 6 disposed between the bottom plate 1 and the negative electrode support 2, and the substrate 6 is respectively and fixedly connected to the bottom plate 1 and the negative electrode support 2, so that the weight of the auxiliary fixture for battery short circuit detection is increased, the problem that the fixture is inclined and deviated after a battery is placed on the negative electrode support 2 is avoided, and the structural stability of the fixture is improved.

Optionally, the auxiliary fixture for battery short circuit detection provided by this embodiment further includes a fixing screw (not shown in the figure), and a through hole with an axis opposite to the axis is provided on the bottom wall of the placement groove and the substrate 6, and the bottom plate 1 is further provided with a threaded hole coaxial with the through hole, and the fixing screw is in threaded connection with the bottom plate 1 through the through hole, so as to fixedly connect the negative support 2, the substrate 6 and the bottom plate 1, so that the fixture has the advantages of easy detachment and easy maintenance, and the practicability and flexibility of the fixture are effectively improved. In addition, through set screw to negative pole support 2's fixed action, prevented that negative pole support 2 slippage from going out bottom plate 1 for whole tool is more reliable, and stability is stronger.

In some other embodiments, the negative electrode support 2 and the bottom plate 1 can also be fixedly connected in a welding, riveting, inserting and other modes, and the stability of the jig is improved in a thickening and other modes of the bottom plate 1, so that a process of using the substrate 6 is omitted, the production cost of the jig is effectively reduced, and the negative electrode support 2 can be prevented from moving from the bottom plate 1 and even falling off.

It can be understood that, the utility model discloses an above-mentioned supplementary tool of battery short circuit detection can also be applied to other types of batteries outside the inferior battery of lithium. For example, when the auxiliary tool for detecting short circuit of battery is used for detecting the battery with positive and negative electrodes disposed at two ends, the negative electrode of the battery can be electrically connected with the negative electrode bracket 2 through a wire or other conductive structure.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a battery short circuit detection auxiliary fixture which characterized in that includes:

a base plate (1);

the negative pole support (2) is positioned at the top of the bottom plate (1), is used for supporting a battery and is in conductive connection with the negative pole of the battery;

the side plate (3) is mounted on the bottom plate (1) and is made of an insulating material;

the positive wiring piece (4) is fixedly arranged on the side plate (3) in a penetrating mode, and one end of the positive wiring piece (4) can be in conductive contact with the positive electrode of the battery;

negative pole wiring piece (5), negative pole wiring piece (5) fixed mounting is on curb plate (3), just the one end of negative pole wiring piece (5) with negative pole support (2) conductive contact.

2. The auxiliary tool for battery short circuit detection according to claim 1, wherein the side plate (3) is provided with a threaded hole, the negative wiring piece (5) is in threaded connection with the threaded hole, and the end of the negative wiring piece (5) is abutted against the negative support (2).

3. The auxiliary tool for battery short circuit detection according to claim 1, wherein the side plate (3) is provided with a first through hole (31), the negative electrode bracket (2) is provided with a threaded hole, and the negative electrode wiring member (5) is threaded to the negative electrode bracket (2) after passing through the first through hole (31).

4. The auxiliary fixture for battery short circuit detection according to claim 1, wherein the side plate (3) is further provided with a second through hole (32), and the positive wiring member (4) is fixedly connected with the side plate (3) through the second through hole (32).

5. The auxiliary fixture for battery short circuit detection according to claim 1, wherein a placing groove is formed at the top of the negative electrode bracket (2), and the battery is fixedly placed in the placing groove.

6. The auxiliary tool for battery short circuit detection according to claim 5, wherein the placing groove is a U-shaped groove.

7. The auxiliary tool for battery short circuit detection according to claim 5, wherein the side plate (3) is fixedly connected to the bottom plate (1) and is disposed at one side of the placing groove.

8. The auxiliary tool for battery short circuit detection according to claim 1, further comprising a substrate (6), wherein the substrate (6) is disposed between the bottom plate (1) and the negative support (2).

9. The auxiliary tool for battery short circuit detection according to claim 8, further comprising a fixing screw, wherein the fixing screw penetrates through the negative support (2) and the substrate (6) and is in threaded connection with the bottom plate (1).

10. The auxiliary tool for battery short circuit detection according to any one of claims 1-9, wherein the bottom plate (1) and the side plate (3) are made of insulating materials.