Detection device for echelon utilization of waste lithium battery

By using the magnetic connection between the protective frame structure and the assembly rack, the safety hazards caused by internal damage despite no external damage in the testing of waste lithium batteries are solved, thus achieving safe and reliable testing for the secondary use of batteries.

CN223955772UActive Publication Date: 2026-02-27DALIAN RUIYUANPOWER CO LTD
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Patent Information

Application Number
CN202520102114.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2026-02-27
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

In existing technologies, the testing of used lithium batteries can easily lead to safety hazards during electrical performance testing due to internal damage despite no visible external damage, such as leakage or explosion.

Method used

The battery adopts a protective frame structure, which includes a battery holder and an assembly rack. The assembly rack is equipped with slots, electromagnets, and lock holes. The battery and the charge/discharge switch are reliably connected through magnetic connection and spring locking blocks, and the connection is disconnected in case of abnormality. The protective frame encloses the battery to prevent the spread of abnormalities.

Benefits of technology

To ensure the safety and stability of the battery testing process, prevent the spread of abnormalities, reduce safety hazards to staff, and improve the safety and stability of testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of waste lithium battery detection, in particular to a waste lithium battery echelon utilization detection device, which comprises a protective frame, a battery holder arranged inside the protective frame, a connecting assembly arranged outside the protective frame and connected with a battery, and a plurality of assembly frames arranged outside the protective frame, one end of each assembling frame is provided with an inserting groove, the inner wall of each inserting groove is provided with an electromagnet and a plurality of lock holes, the other end of each assembling frame is provided with a protruding block, the outer wall of each protruding block is provided with a plurality of cavities, each cavity is internally provided with a magnetic plate and a spring, and one end of each spring is provided with a lock block. According to the utility model, wrapping and shielding are carried out when the electrical performance of the battery is tested, outward diffusion when an abnormal condition occurs is avoided, the safety and stability of the test are ensured, current is conveyed through the assembled wire harness, and the assembled wire harness can be disconnected in time when the abnormal condition occurs, so that the safety detection is ensured, and the influence of the abnormal battery on the connecting wire harness is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to waste lithium battery detection technical field, specifically be a kind of waste lithium battery gradient utilization's detection device. BACKGROUND

[0002] Waste lithium battery is mainly derived from the waste of retired consumer batteries, power batteries, energy storage batteries and battery factory. With the rapid development of new energy vehicles and 3C electronic products, the use of lithium battery increases sharply, and a large number of waste lithium batteries are produced. If these waste batteries are not properly treated, not only will it cause waste of valuable resources such as lithium, cobalt and nickel, but also will cause serious pollution to the ecological environment. The determination basis of battery gradient utilization is to judge whether the battery is suitable for gradient utilization according to the remaining capacity (SOC) of the battery.

[0003] However, in the prior art, there are batteries that are not damaged on the surface but are damaged internally during detection. Therefore, it is easy to misjudge in appearance detection, which may cause safety hazards during electrical performance detection and charging and discharging test, and even cause leakage or explosion, which may cause serious damage to the detection area. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of waste lithium battery gradient utilization's detection device to solve the problems raised in the above background.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A kind of waste lithium battery gradient utilization's detection device, including protective frame, the battery seat is arranged in the protective frame, the connecting assembly connected with battery is arranged on the outside of the protective frame, the connecting assembly includes the multiple assembly racks arranged on the outside of protective frame, the insertion slot is arranged in one end of multiple assembly racks, the electromagnet and multiple lock holes are arranged on the inner wall of insertion slot, the protruding block is arranged in the other end of assembly rack, the multiple cavities are arranged on the outer wall of protruding block, the magnetic plate and spring are arranged in multiple cavities, and the lock block is arranged in one end of spring.

[0007] As a preferred scheme of the utility model, the battery seat is located outside the protective frame and is wrapped after the battery is installed by the protective frame, one end of the assembly rack can be embedded in the protective frame, and a plug is installed and plugged with the battery.

[0008] As a preferred scheme of the utility model, multiple assembly racks are assembled by insertion slot and protruding block at both ends, and power transmission line is installed inside, electrically connected when plugging, one end of the assembly rack is connected with the battery after assembly, and the other end is connected with charging and discharging switch.

[0009] As the preferred scheme of the utility model, multiple cavities are annularly distributed on the outer wall of the protruding block and correspond to the angle of the lock hole of the inner wall of the slot, the inside of the cavity is L-shaped structure, the spring is located in the cavity and is connected with the magnetic plate and the lock block through welding at both ends.

[0010] As the preferred scheme of the utility model, the magnetic plate is located in the cavity and is connected with the inner wall of the cavity through sliding, one end of the lock block is located in the cavity and is telescopic with the inner wall of the cavity, and the other end is extended and embedded in the lock hole.

[0011] As the preferred scheme of the utility model, the electromagnet is magnetically connected with the magnetic plate in the cavity, the electromagnet is electrically connected with the controller in the process of battery charging and discharging detection, and the assembly frame is disconnected when the battery is detected abnormally.

[0012] Compared with the prior art, the utility model has the beneficial effects that: aiming at the problems in the background art, the application adopts the connecting assembly, a plurality of assembly frames are arranged outside the protective frame, each assembly frame is provided with a slot and a protruding block, and the cascade utilization detection of the waste lithium battery is realized. The electromagnet and the lock hole are arranged in the slot and are used for magnetically connecting with the magnetic plate and the spring in the cavity on the protruding block, one end of the spring is connected with the lock block, the lock block can be embedded in the lock hole of the slot, and the reliable connection of the assembly frame is ensured. After the assembly frame is assembled, one end thereof is connected with the battery, the other end is connected with the charging and discharging switch, and electrical connection is realized through the power transmission line. When the battery is detected abnormally, the electromagnet is disconnected with the controller, and the assembly frame is disconnected, so that the safe detection and use of the battery are ensured, the protective frame outside can protect the battery in the case of abnormal conditions such as leakage, the safety hidden danger to the workers is reduced, and the safety and stability of the detection process are ensured.

[0013] The utility model realizes the wrapping shielding when the battery electrical performance is tested, avoids the outward diffusion when the abnormal condition occurs, ensures the safety and stability of the test, and realizes the current transmission through the assembly type wire harness, so that the safe detection is ensured and the influence of the abnormal battery on the connecting wire harness is reduced. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the appearance structure diagram of the protective frame of the utility model;

[0015] Figure 2 It is the internal structure diagram of the protective frame of the utility model;

[0016] Figure 3 It is the assembly frame connecting section view of the utility model;

[0017] Figure 4 It is the A part enlarged view of the utility model.

[0018] In the figure: 1, the protection frame; 2, battery holder; 3, assembly frame; 4, slot; 401, lock hole; 5, electromagnet; 6, protruding block; 7, cavity; 701, magnetic plate; 702, spring; 8, lock block. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. EMBODIMENT

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of detection device for waste lithium battery echelon utilization, including protection frame 1, the battery holder 2 is arranged in the protection frame 1, for positioning when detecting waste lithium battery, the protection frame 1 outside is provided with the connecting assembly connected with battery, the connecting assembly includes the multiple assembly frames 3 of being arranged in the protection frame 1 outside, for current delivery can be spliced with battery after multiple, carry out charge-discharge test, multiple the assembly frame 3 one end is provided with slot 4, for positioning when splicing assembly frame 3, electromagnet 5 and multiple lock holes 401 are arranged in the inner wall of slot 4, electromagnet 5 can be activated by controller control in battery anomaly close to the electromagnet 5 in the assembly frame 3 one end of protection frame 1, and after activation, can generate magnetic pole and repel with the magnetic plate 701 in cavity 7, to push magnetic plate 701 in cavity 7 moves and cooperates spring 702 and pulls protruding block 6 and shrinks from lock hole 401, simultaneously, make assembly frame 3 connection disconnect by repelling protruding block 6 from slot 4, continue to deliver current, the assembly frame 3 other end is provided with protruding block 6, the outer wall of protruding block 6 is provided with multiple cavities 7, multiple the cavity 7 inside is provided with magnetic plate 701 and spring 702, the spring 702 one end is provided with lock block 8, lock block 8 can be pushed from cavity 7 and embedded in the lock hole 401 in slot 4 by spring 702 and fixed after splicing assembly frame 3, by splicing type transmission wire harness, battery pack can be quickly disconnected when abnormal, and wire harness is driven away from battery pack, avoid that the abnormality of battery pack spreads to wire harness, simultaneously, when battery pack is tested by protection frame 1, it is wrapped and covered, protect around test area, improve the security when testing.

[0021] All electrical components in the embodiment are controlled by conventional controller.

[0022] EMBODIMENT, please refer to Figures 1-4The battery seat 2 is located outside the protective frame 1 and is wrapped by the protective frame 1 after the battery is installed. One end of the assembly frame 3 can be embedded in the protective frame 1 and is provided with a plug for plugging with the battery. A plurality of assembly frames 3 are assembled by the plug slots 4 and the protrusions 6 at both ends, and are provided with power transmission lines inside and are electrically connected when plugging. One end of the assembly frame 3 is connected with the battery and the other end is connected with the charge-discharge switch after assembly. A plurality of cavities 7 are annularly distributed on the outer wall of the protrusion 6 and correspond to the angle of the lock hole 401 in the inner wall of the plug slot 4. The cavity 7 is L-shaped inside. The spring 702 is located in the cavity 7 and is connected with the magnetic plate 701 and the lock block 8 at both ends by welding. The magnetic plate 701 is located in the cavity 7 and is connected with the inner wall of the cavity 7 by sliding. One end of the lock block 8 is located in the cavity 7 and is telescopic with the inner wall of the cavity 7. The other end extends and is embedded in the lock hole 401. The electromagnet 5 is magnetically connected with the magnetic plate 701 in the cavity 7. The electromagnet 5 is electrically connected with the controller during the battery charging and discharging detection process. The assembly frame 3 is disconnected when the battery is detected abnormally. In use, a plurality of assembly frames 3 are plugged by the protrusions 6 and the plug slots 4 at both ends, and are electrically connected after plugging. At the same time, the lock block 8 in the cavity 7 outside the protrusion 6 extends from the cavity 7 and is embedded in the lock hole 401 in the plug slot 4 under the action of the spring 702. After the assembly frame 3 is plugged and fixed, one end thereof extends into the protective frame 1 and is connected with the plug and is plugged with the battery pack. The other end is connected with the charge-discharge switch. During the test, the current is sent to the battery pack by the wire harness in the assembly frame 3. When the battery pack appears abnormal condition by observation or voltage change during the test, the electromagnet 5 in the assembly frame 3 close to the protective frame 1 is activated by the PLC controller to repel the magnetic plate 701 in the cavity 7 and drive the lock block 8 to retract by the spring 702, and to push the assembly frame 3 to disconnect for the wire harness to be away from the battery pack. At the same time, the battery pack is protected by the protective frame 1 when it is abnormal.

[0023] The utility model discloses a work flow: first multiple assembly frame 3 are inserted through the protruding block 6 and the slot 4 of both ends in use, and are electrically connected after inserting, and the lock block 8 in the cavity 7 outside protruding block 6 is inserted into the lock hole 401 in the slot 4 under the action of spring 702 from the cavity 7, after inserting and fixing assembly frame 3, its one end extends to the protection frame 1 in and is connected with the plug and is inserted with the battery pack, the other end is connected with the switch of charge and discharge, in the testing process, through the wire harness in assembly frame 3, the current is sent to the battery pack, when the battery pack appears abnormal situation through observation or voltage change in the testing process, through PLC controller control near the electromagnet 5 in the assembly frame 3 of protection frame 1 one end activates and the magnetic plate 701 in the cavity 7 repulsion magnetism and drive its sliding to one side and cooperate spring 702 and drive lock block 8 to retract, and push assembly frame 3 and disconnect conveniently wire harness is away from the battery pack, and at the same time, when the battery pack is abnormal, through the protection of protection frame 1, the utility model realizes the wrapping shielding when battery electric performance test, avoids the outward diffusion when abnormal situation appears, guarantees the safety and stability of test, and through the current delivery of assembly type wire harness, can disconnect in time when abnormal and guarantee safety detection and reduce the influence of battery abnormality to connecting wire harness.

[0024] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A detection device for cascade utilization of waste lithium batteries, comprising a protective frame (1), wherein a battery seat (2) is arranged inside the protective frame (1), and a connecting assembly connected with the battery is arranged outside the protective frame (1), characterized in that: The connecting assembly comprises a plurality of assembling frames (3) arranged outside the protection frame (1), one end of each of the plurality of assembling frames (3) is provided with a slot (4), the inner wall of the slot (4) is provided with an electromagnet (5) and a plurality of lock holes (401), the other end of the assembling frame (3) is provided with a protruding block (6), the outer wall of the protruding block (6) is provided with a plurality of cavities (7), the inner part of each of the plurality of cavities (7) is provided with a magnetic plate (701) and a spring (702), one end of the spring (702) is provided with a lock block (8). ​ 2.The detection device for cascade utilization of waste lithium batteries according to claim 1, characterized in that: The battery holder (2) is located outside the protection frame (1) and is wrapped by the protection frame (1) after the battery is installed, one end of the assembling frame (3) can be embedded into the protection frame (1) and is provided with a plug for plug-in connection with the battery. 3.The detection device for cascade utilization of waste lithium batteries according to claim 1, characterized in that: The plurality of assembling frames (3) are assembled by plug-in connection of the slots (4) and the protruding blocks (6) at two ends, and are internally provided with power transmission lines, and are electrically connected during plug-in connection, one end of the assembled assembling frame (3) is connected with the battery and the other end is connected with the charging and discharging switch.

4. The detection device for cascade utilization of waste lithium batteries according to claim 1, characterized in that: The plurality of cavities (7) are annularly distributed on the outer wall of the protruding block (6) and correspond in angle to the lock holes (401) on the inner wall of the slot (4), the inner part of the cavity (7) is of L-shaped structure, the spring (702) is located in the cavity (7) and is connected with the magnetic plate (701) and the lock block (8) at two ends by welding respectively.

5. The detection device for cascade utilization of waste lithium batteries according to claim 1, characterized in that: The magnetic plate (701) is located in the cavity (7) and is in sliding connection with the inner wall of the cavity (7), one end of the lock block (8) is located in the cavity (7) and is in telescopic connection with the inner wall of the cavity (7), and the other end extends and is embedded into the lock hole (401). 6.The detection device for cascade utilization of waste lithium batteries according to claim 1, characterized in that: The electromagnet (5) is in magnetic connection with the magnetic plate (701) in the cavity (7), the electromagnet (5) is in electrical connection with the controller during the battery charging and discharging detection process, and the assembling frame (3) is disconnected when the battery is detected to be abnormal.