Fire prevention device for battery detection
By designing a battery testing fire prevention device, a rotating device is connected to the electrode and quickly disconnected in case of short circuit fire. The water outlet device is used to submerge the battery to extinguish the fire, which solves the problem of fire and explosion during lithium battery short circuit testing and improves the safety of battery testing.
Patent Information
- Application Number
- CN202520355125.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-02-28
AI Technical Summary
In existing technologies, short-circuit testing of lithium batteries is prone to problems such as tab collapse, sparking upon contact with the battery casing, leading to fires, explosions, and test interruptions.
A battery detection and fire prevention device was designed, comprising a detection barrel, a first rotating device, a second rotating device, and a water outlet device. The rotating device is connected to the electrode and quickly disconnects in case of short circuit and fire, while the water outlet device submerges the battery to extinguish the fire.
It enables rapid fire extinguishing when a lithium battery catches fire due to a short circuit, avoiding test interruption and improving the safety and reliability of battery testing.
Smart Images
Figure CN223887278U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to battery detection equipment technical field especially relates to a battery detection prevents the device that fires. BACKGROUND
[0002] The safety of lithium battery and battery pack technology is the aspect that consumers most concern in the current energy storage market, in the process of lithium battery and battery pack design development, authentication test and the like, a series of safety performance tests need to be carried out on lithium battery and battery pack, the solution of avoiding risk is made to the test phenomenon of short circuit fire, in the prior art, the technical problem that the existing technology exists that the positive and negative connecting wires are too heavy in the process of cell short circuit test, and the battery tab is collapsed due to overcurrent heating of the battery tab, after the battery tab contacts and melts the battery blue film, the battery tab directly contacts the battery shell and fires, thereby causing the combustible gas spouted from the battery in the process of short circuit test, and causing the phenomena of fire, explosion and the like to interrupt the test. CONTENT OF THE UTILITY MODEL
[0003] The utility model discloses a battery detection prevents the device that fires, which aims to solve the technical problem of battery detection short circuit fire in the prior art.
[0004] To achieve the above-mentioned purpose, the battery detection prevents the device that fires provided by the utility model embodiment, which comprises a detection barrel, a first rotating device, a second rotating device and a water outlet device. One end of the first rotating device and the second rotating device is rotatably connected to the inner side wall of the detection barrel, and the other end of the first rotating device and the second rotating device is telescopically rotatably lapped on the electrode of the battery to be tested. The first rotating device and the second rotating device are oppositely arranged, and the end part of the first rotating device and the second rotating device is externally connected to the equipment. The water outlet device is fixedly installed on the inner side wall of the detection barrel, and is arranged close to the inner bottom of the detection barrel. The water outlet device is connected to the water inlet pipe.
[0005] Preferably, the first rotating device and the second rotating device each comprises a rotating device, a telescopic device and a sensing device. The rotating device is fixedly installed on the inner side wall of the detection barrel. One end of the telescopic device is fixedly connected to the rotating end of the rotating device. The telescopic end of the telescopic device extends towards the central position of the detection barrel, and is telescopically lapped on the electrode of the battery to be tested. The line of the externally connected equipment extends through the detection barrel to the telescopic end of the telescopic device and is connected to the electrode of the battery to be tested. The sensing device is fixedly installed on the telescopic device, and is connected to the line of the externally connected equipment. The sensing device is electrically connected between the telescopic device and the rotating device.
[0006] Preferably, the telescopic device comprises a guide rod, a support rod and a telescopic cylinder, one end of the guide rod is fixedly installed on the rotating end of the rotating device, the support rod is in sliding connection with the guide rod, the telescopic cylinder is fixedly installed on the guide rod, the telescopic end of the telescopic cylinder is fixedly connected with the support rod, and the sensing device is arranged on the guide rod.
[0007] Preferably, the detection barrel bottom is provided with a limiting frame, and the limiting frame is located at the central position of the detection barrel bottom.
[0008] Preferably, two connecting holes are arranged on the detection barrel, and the two connecting holes are respectively arranged adjacent to the first rotating device and the second rotating device.
[0009] Preferably, a guide block is arranged in the detection barrel, the guide block is located below the water outlet device, the guide block is arranged close to the inner side of the detection barrel, and the top plane of the guide block is inclined from top to bottom in a direction away from the detection barrel.
[0010] Preferably, the ends of the first rotating device and the second rotating device are provided with butt joint blocks, and the butt joint blocks are clamped with the electrodes of the battery to be detected.
[0011] The above one or more technical solutions in the battery detection fire prevention device provided by the embodiment of the utility model have at least one of the following technical effects:
[0012] The battery detection fire prevention device in the utility model is assembled by a detection barrel, a first rotating device, a second rotating device and a water outlet device, the detection barrel can be plastic or metal material, the first rotating device and the second rotating device are rotatably installed on the inner side wall of the detection barrel, the first rotating device and the second rotating device are kept in an insulating state with the detection barrel, the first rotating device and the second rotating device are connected with the two electrodes of the battery to be detected through rotation, the connection with external equipment is realized, the water outlet device is fixedly installed on the inner side wall of the detection barrel and is close to the position of the bottom of the detection barrel, so that the water splashing caused by the too high difference when water is poured in can be avoided, the other end of the water outlet device is connected with a water pipe, the battery to be detected is placed in the detection barrel during use, the ends of the first rotating device and the second rotating device are rotatably placed on the electrodes of the battery to be detected, the connection between the first rotating device and the second rotating device and the electrodes of the battery to be detected is realized, when short circuit and fire occur, the first rotating device and the second rotating device are rotated to be disconnected with the electrodes of the battery to be detected, then the water outlet device pours water to submerge the battery to extinguish the fire, through the above structure, the battery can be quickly extinguished and prevented. BRIEF DESCRIPTION OF DRAWINGS
[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0014] Figure 1 This is a top view of the battery detection and fire prevention device provided in an embodiment of the present invention.
[0015] Figure 2 for Figure 1 A magnified view of part A in the image.
[0016] Figure 3 For along Figure 1 Sectional view along the middle BB line.
[0017] The following are the labeling elements in the figure:
[0018] 10—Detection barrel 11—Guide block 12—Limit frame
[0019] 20—First rotating device; 21—Rotating device; 22—Telescopic device
[0020] 23—Sensing device; 30—Second rotating device; 40—Water outlet device
[0021] 221—Guide rod; 222—Support rod; 223—Telescopic cylinder
[0022] 2221—Dock block. Detailed Implementation
[0023] The embodiments of this utility model are described in detail below, with examples of the embodiments shown in the appendix. Figures 1 to 3 As shown, the same or similar reference numerals throughout denote the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain embodiments of the present invention, and should not be construed as limiting the present invention.
[0024] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0025] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined with "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more than two, unless otherwise specifically defined.
[0026] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, 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 communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0027] In one embodiment of the present application, as shown in Figures 1 to 3 A battery detection fire prevention device is provided, which comprises a detection barrel 10, a first rotating device 20, a second rotating device 30 and a water outlet device 40. One end of the first rotating device 20 and the second rotating device 30 is rotatably connected to the inner side wall of the detection barrel 10, and the other end of the first rotating device 20 and the second rotating device 30 is telescopically rotatably lapped on the electrode of the battery to be detected. The first rotating device 20 and the second rotating device 30 are oppositely arranged, and the end of the first rotating device 20 and the second rotating device 30 is externally connected to the equipment. The water outlet device 40 is fixedly installed on the inner side wall of the detection barrel 10, and is arranged close to the inner bottom of the detection barrel 10. The water outlet device 40 is connected to the water inlet pipe.
[0028] The battery detection fire prevention device is assembled by a detection barrel 10, a first rotating device 20, a second rotating device 30 and a water outlet device 40, the detection barrel 10 can be made of plastic or metal, the first rotating device 20 and the second rotating device 30 are both rotatably installed on the inner side wall of the detection barrel 10, the first rotating device 20 and the second rotating device 30 are both kept in an insulating state with the detection barrel 10, the first rotating device 20 and the second rotating device 30 are connected with the two electrodes of the battery to be detected by rotating the two end portions, the water outlet device 40 is fixedly installed on the inner side wall of the detection barrel 10 and is close to the bottom of the detection barrel 10, so that the water splash caused by the high difference when water is poured in can be avoided, the other end of the water outlet device 40 is connected with a water pipe, the battery to be detected is placed in the detection barrel 10 during use, the end portions of the first rotating device 20 and the second rotating device 30 are rotatably placed on the electrodes of the battery to be detected, the connection between the first rotating device 20, the second rotating device 30 and the electrodes of the battery to be detected is disconnected when a short circuit and fire occur, then the water outlet device 40 pours water to extinguish the fire, and the battery can be quickly extinguished and prevented through the above structure.
[0029] In another embodiment of the utility model, as shown in Figures 1 to 3 The first rotating device 20 and the second rotating device 30 both include a rotating device 21, an extension device 22 and a sensing device 23, the rotating device 21 is fixedly installed on the inner side wall of the detection barrel 10, one end of the extension device 22 is fixedly connected with the rotating end of the rotating device 21, the extension end of the extension device 22 extends towards the central position of the detection barrel 10, the extension end of the extension device 22 can be telescopically loaded on the electrode of the battery to be detected, the line of the external device extends through the detection barrel 10 to the extension end of the extension device 22 and is connected with the electrode of the battery to be detected, the sensing device 23 is fixedly installed on the extension device 22 and is connected with the line of the external device, the sensing device 23 is electrically connected with the extension device 22 and the rotating device 21, the angle is adjusted by the rotating device 21, the extension device 22 is adapted to the detection between the electrode of the battery to be detected, the sensing device 23 senses the circuit state and timely responds to feedback to the rotating device 21 and the extension device 22, so that the electrode of the battery to be detected is quickly disconnected when a short circuit occurs.
[0030] The adjusting base (not shown in the figure) can be arranged at the bottom of the first rotating device 20 and the second rotating device 30, the adjusting base includes a horizontal movement module and a vertical movement module which are parallel to the installation plane, and the adjusting base is fixedly installed on the inner side wall of the detection barrel 10 to realize the position adjustment of the first rotating device 20 and the second rotating device 30 on the inner side wall of the detection barrel 10.
[0031] In another embodiment of the utility model, as shown inFigures 1 to 3 As shown in the drawings, the telescopic device 22 comprises a guide rod 221, a support rod 222 and a telescopic cylinder 223, one end of the guide rod 221 is fixedly installed on the rotating end of the rotating device 21, the support rod 222 is in sliding connection with the guide rod 221, the telescopic cylinder 223 is fixedly installed on the guide rod 221, the telescopic end of the telescopic cylinder 223 is fixedly connected with the support rod 222, the sensing device 23 is arranged on the guide rod 221, and the telescopic cylinder 223 approaches or leaves the distance between the to-be-measured electrodes by controlling the sliding of the support rod 222 on the guide rod 221.
[0032] In another embodiment of the present application, as shown in Figure 1 and Figure 3 As shown in the drawings, the detection barrel 10 is provided with a limiting frame 12 at the bottom, and the limiting frame 12 is located at the central position of the bottom of the detection barrel 10, so as to position the placement position of the to-be-measured battery.
[0033] In another embodiment of the present application, as shown in Figures 1 to 3 As shown in the drawings, the detection barrel 10 is provided with two connecting holes (not shown in the drawings), and the two connecting holes are arranged adjacent to the first rotating device 20 and the second rotating device 30, respectively, and the lines of the external device are connected to the first rotating device 20 and the second rotating device 30 through the two connecting holes, and are connected with two levels of the to-be-measured electrodes.
[0034] In another embodiment of the present application, as shown in Figure 1 and Figure 3 As shown in the drawings, the detection barrel 10 is provided with a guide block 11, the guide block 11 is located below the water outlet device 40, the guide block 11 is arranged close to the inner side of the detection barrel 10, and the top plane of the guide block 11 is inclined from top to bottom in the direction away from the detection barrel 10, so that the water falls into the barrel from the guide block 11, and the splashing of water at the beginning can be avoided.
[0035] In another embodiment of the present application, as shown in Figure 1 and Figure 3 Figure 1 Figure 3 As shown in the drawings, the ends of the first rotating device 20 and the second rotating device 30 are provided with butt blocks 2221, and when the butt blocks 2221 are clamped with the electrodes of the to-be-measured battery, the first rotating device 20 and the second rotating device 30 are accurately butted with the electrodes of the to-be-measured battery.
[0036] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A battery detection and fire prevention device, characterized in that: The device includes a testing tank, a first rotating device, a second rotating device, and a water outlet device. One end of the first rotating device and the second rotating device are rotatably connected to the inner wall of the testing tank, and the other end of the first rotating device and the second rotating device can be extended and rotated to overlap the electrodes of the battery under test. The first rotating device and the second rotating device are arranged opposite to each other, and the ends of the first rotating device and the second rotating device are connected to external devices. The water outlet device is fixedly installed on the inner wall of the testing tank and is located near the bottom of the testing tank. The water outlet device is connected to a water inlet pipe.
2. The battery detection and fire prevention device according to claim 1, characterized in that: Both the first and second rotating devices include a rotating device, a telescopic device, and a sensing device. The rotating device is fixedly installed on the inner wall of the testing barrel. One end of the telescopic device is fixedly connected to the rotating end of the rotating device. The telescopic end of the telescopic device extends toward the center of the testing barrel and can be telescopically mounted on the electrode of the battery under test. The external device wiring passes through the testing barrel and extends to the telescopic end of the telescopic device, connecting to the electrode of the battery under test. The sensing device is fixedly installed on the telescopic device and is connected to the wiring of the external device. The sensing device is electrically connected to the telescopic device and the rotating device.
3. The battery detection and fire prevention device according to claim 2, characterized in that: The telescopic device includes a guide rod, a support rod, and a telescopic cylinder. One end of the guide rod is fixedly installed on the rotating end of the rotating device. The support rod is slidably connected to the guide rod. The telescopic cylinder is fixedly installed on the guide rod, and the telescopic end of the telescopic cylinder is fixedly connected to the support rod. The sensing device is disposed on the guide rod.
4. The battery detection and fire prevention device according to any one of claims 1 to 3, characterized in that: A limiting frame is provided at the bottom of the testing barrel, and the limiting frame is located at the center of the bottom of the testing barrel.
5. The battery detection and fire prevention device according to any one of claims 1 to 3, characterized in that: The testing barrel is provided with two connection holes, which are respectively located adjacent to the first rotating device and the second rotating device.
6. The battery detection and fire prevention device according to any one of claims 1 to 3, characterized in that: The testing tank is equipped with a guide block located below the water outlet device. The guide block is positioned close to the inner side of the testing tank, and its top plane is inclined downwards in a direction away from the testing tank.
7. The battery detection and fire prevention device according to any one of claims 1 to 3, characterized in that: Both the first rotating device and the second rotating device have docking blocks at their ends, which engage with the electrodes of the battery under test.