Discharge detection device for lithium battery processing

By introducing a heat sink and temperature sensor into the lithium battery discharge detection device, combined with a drive motor and cooling fan, the problem of traditional devices being unable to cut off power in time is solved, enabling safe discharge and cooling of lithium batteries and avoiding safety accidents.

CN224035581UActive Publication Date: 2026-03-24LAOHEKOU CHUOZHANG TRADING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Traditional lithium battery discharge detection devices cannot cut off power in time when the temperature is too high, leading to safety accidents.

Method used

A discharge detection device for lithium battery processing was designed, equipped with a heat sink and a temperature sensor. The temperature sensor monitors the temperature of the lithium battery, and the drive motor and drive screw work together to cut off the power and use a cooling fan to cool it down.

Benefits of technology

It enables timely power cut-off when the lithium battery temperature is too high, avoiding safety accidents and ensuring the safety of the lithium battery, and preventing thermal runaway through heat dissipation and cooling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of lithium battery discharge detection devices, and discloses a discharge detection device for lithium battery processing, which comprises an equipment bin, a top cover is arranged at the top of the equipment bin, a controller is fixedly assembled on the outer wall of the top cover, a ventilation net is fixedly assembled on the outer wall of the top cover, and a discharge detection device is arranged on the ventilation net. A fixing box is fixedly assembled at the bottom of the top cover, and a fixing plate is fixedly assembled at the bottom of the fixing box. According to the discharge detection device for lithium battery processing, a heat dissipation plate is arranged in the inner cavity of the equipment bin, and a temperature sensor is arranged at the bottom of the heat dissipation plate, so that once the temperature of a lithium battery body is too high in the discharge process, a moving plate moves under the action of a driving motor and a driving screw rod; therefore, the connecting seat is separated from the outer wall of the contact column, discharge interruption of the lithium battery is realized, and further discharge temperature rise of the lithium battery is avoided, so that safety accidents are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery discharge detection device technical field, specifically is a kind of discharge detection device for lithium battery processing. BACKGROUND

[0002] Lithium battery discharge detection is the important link of evaluating battery performance, safety and life, and is often discharged to detect the discharge link of battery to determine the performance and reliability of battery, which needs to use discharge detection device.

[0003] The conventional discharge detection device is discharged by connecting the battery and the discharge equipment when using, but the conventional equipment cannot power off the lithium battery in time when the temperature is too high in the process of discharging, so that the lithium battery can only continue to discharge, resulting in higher and higher temperature, and safety accidents occur. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a discharge detection device for lithium battery processing, which has the advantages of powering off the equipment and cooling the battery, and solves the problems raised in the above background technology.

[0005] The utility model provides following technical scheme: a kind of discharge detection device for lithium battery processing, including equipment bin, the top of the equipment bin is equipped with top cover, the outer wall of the top cover is fixedly equipped with controller, the outer wall of the top cover is fixedly equipped with breathable mesh, the bottom of the top cover is fixedly equipped with fixed box, the bottom of the fixed box is fixedly equipped with fixed plate, the bottom of the fixed plate is fixedly equipped with heat sink, heat dissipation fan is installed in the inner chamber of the fixed box, the bottom of the heat sink is fixedly equipped with temperature sensor, the bottom of the equipment bin inner chamber is equipped with lithium battery body, the outer wall of the lithium battery body is fixedly equipped with contact column, the bottom of the equipment bin inner chamber is fixedly equipped with support rod, the outer wall of the support rod is movably sleeved with connecting seat, the outer wall of the connecting seat is equipped with discharge equipment, the outer wall of the connecting seat is fixedly equipped with moving plate, the bottom of the equipment bin inner chamber is fixedly equipped with support plate, the outer wall of the support plate is fixedly equipped with drive motor, the inner chamber of the support plate is rotatably connected with drive screw, the bottom of the equipment bin inner chamber is fixedly equipped with baffle.

[0006] As a preferred technical scheme of the utility model: the bottom of the heat sink is in contact with the top of the lithium battery body, and the heat sink is prepared from metal copper.

[0007] As a preferred technical scheme of the utility model: the ventilating net is electrically connected between temperature sensor and discharge equipment respectively, the number of contact posts is two, and the two contact posts are installed on the two sides of the outer wall of lithium battery body respectively.

[0008] As a preferred technical scheme of the utility model: the power output shaft of drive motor is connected with the outer wall of drive screw through the outer wall of support plate, and the outer wall of drive screw is screw connected with the inner wall of moving plate.

[0009] As a preferred technical scheme of the utility model: the inner wall diameter of connecting seat is equal to the outer wall diameter of contact post, and the outer wall of lithium battery body is in contact with the outer wall of baffle.

[0010] As a preferred technical scheme of the utility model: the installation position of heat dissipation fan corresponds to the installation position of heat dissipation plate, and the inner cavity of fixed box is communicated with the inner cavity of ventilating net.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1、the lithium battery processing is discharged detection device, through the heat dissipation plate that is set up in the inner chamber of equipment warehouse and the temperature sensor that is set up at the bottom of heat dissipation plate, once lithium battery body is in the process of discharging temperature is too high, will make moving plate move under the action of drive motor and drive screw, to make connecting seat separate from the outer wall of contact post, to realize the interruption of lithium battery discharge, further avoid lithium battery further discharging temperature rise, to cause the occurrence of safety accident.

[0013] 2、the lithium battery processing is discharged detection device, through the heat dissipation plate that is set up in the inner chamber of equipment warehouse, after lithium battery body temperature is too high and stops discharging, through starting heat dissipation fan, at this time, under the action of heat dissipation fan of heat dissipation plate, the lithium battery body is cooled down, makes the temperature of lithium battery body reduce, ensures the safety of lithium battery body, avoids the occurrence of safety production accident, to better realize the discharge detection of lithium battery. ACCURACY

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is the equipment warehouse structure schematic diagram of the utility model;

[0016] Figure 3 It is the top cover structure schematic diagram of the utility model;

[0017] Figure 4 It is the heat dissipation plate structure schematic diagram of the utility model;

[0018] Figure 5 It is the support rod structure schematic view of the utility model.

[0019] In the drawing: 1, equipment warehouse;2, top cover;3, controller;4, breathable net;5, fixed box;6, temperature sensor;7, fixed plate;8, cooling fan;9, cooling plate;10, lithium battery body;11, support rod;12, connecting seat;13, discharge equipment;14, moving plate;15, support plate;16, drive motor;17, drive screw;18, contact column;19, baffle. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figure 1 - Figure 5 A kind of discharge detection device for lithium battery processing, including equipment warehouse 1, the top of equipment warehouse 1 is equipped with top cover 2, controller 3 is fixedly assembled on the outer wall of top cover 2, breathable net 4 is fixedly assembled on the outer wall of top cover 2, fixed box 5 is fixedly assembled on the bottom of top cover 2, fixed plate 7 is fixedly assembled on the bottom of fixed box 5, cooling plate 9 is fixedly assembled on the bottom of fixed plate 7, cooling fan 8 is installed in the inner cavity of fixed box 5, temperature sensor 6 is fixedly assembled on the bottom of cooling plate 9, lithium battery body 10 is installed in the bottom of the inner cavity of equipment warehouse 1, contact column 18 is fixedly assembled on the outer wall of lithium battery body 10, support rod 11 is fixedly assembled in the bottom of the inner cavity of equipment warehouse 1, connecting seat 12 is movably sleeved on the outer wall of support rod 11, discharge equipment 13 is installed on the outer wall of connecting seat 12, moving plate 14 is fixedly assembled on the outer wall of connecting seat 12, support plate 15 is fixedly assembled in the bottom of the inner cavity of equipment warehouse 1, drive motor 16 is fixedly assembled on the outer wall of support plate 15, drive screw 17 is rotatably connected in the inner cavity of support plate 15, baffle 19 is fixedly assembled in the bottom of the inner cavity of equipment warehouse 1.

[0022] In the above structure, when lithium battery body 10 needs to be discharged for detection, connecting seat 12 is inserted into the outer wall of contact column 18, so that a communication circuit is formed under the action of connecting seat 12, discharge equipment 13 and contact column 18, so that lithium battery body 10 can discharge outward.

[0023] In a preferred embodiment: the bottom of cooling plate 9 is in contact with the top of lithium battery body 10, and cooling plate 9 is made of copper.

[0024] In the structure, the temperature sensor 6, the heat dissipation plate 9 and the heat dissipation fan 8 are arranged on the bottom of the top cover 2, the temperature of the lithium battery body 10 during discharging can be monitored in real time under the action of the temperature sensor 6, once the temperature of the lithium battery body 10 is too high during discharging, the power supply can be cut off in time, and the lithium battery body 10 can be cooled under the action of the heat dissipation plate 9 and the heat dissipation fan 8, so that the thermal runaway of the lithium battery body 10 is prevented.

[0025] In a preferred embodiment, the air-permeable net 4 is electrically connected between the temperature sensor 6 and the discharging device 13 respectively, the number of the contact columns 18 is two, and the two contact columns 18 are respectively arranged on the two sides of the outer wall of the lithium battery body 10.

[0026] In the structure, the contact columns 18 are arranged on the two sides of the outer wall of the lithium battery body 10, the connecting seat 12 is connected with the contact columns 18, so that the discharging device 13 and the lithium battery body 10 can be electrically connected, the lithium battery body 10 can be discharged, the temperature of the lithium battery body 10 can be monitored in real time under the action of the temperature sensor 6, and the temperature can be displayed on the air-permeable net 4 in time.

[0027] In a preferred embodiment, the power output shaft of the driving motor 16 penetrates the outer wall of the support plate 15 and is connected with the outer wall of the driving screw 17, and the outer wall of the driving screw 17 is threadedly connected with the inner wall of the moving plate 14.

[0028] In the structure, the driving motor 16 is arranged on the outer wall of the support plate 15, the driving screw 17 can be driven under the action of the driving motor 16, so that the driving screw 17 rotates in the inner cavity of the support plate 15, the moving plate 14 is driven, the connecting seat 12 can be separated from the outer wall of the contact column 18, the lithium battery body 10 is cut off, and the continuous discharging of the lithium battery body 10 is interrupted.

[0029] In a preferred embodiment, the inner wall diameter of the connecting seat 12 is equal to the outer wall diameter of the contact column 18, and the outer wall of the lithium battery body 10 is in contact with the outer wall of the baffle 19.

[0030] In the structure, the connecting seat 12 is arranged on the outer wall of the contact column 18, the connecting seat 12 is connected with the contact column 18, so that the connecting circuit is formed, the current in the inner cavity of the lithium battery body 10 can be transmitted to the discharging device 13 through the connecting seat 12, and the lithium battery body 10 is discharged.

[0031] In a preferred embodiment: the installation position of the heat dissipation fan 8 corresponds to the installation position of the heat dissipation plate 9, and the inner cavity of the fixed box 5 communicates with the inner cavity of the air permeable net 4.

[0032] In the above structure, when the lithium battery body 10 needs to be cooled, the heat dissipation fan 8 is started, and the heat of the lithium battery body 10 can be quickly dissipated outward under the action of the heat dissipation fan 8 and the heat dissipation plate 9, thereby playing a role of cooling the lithium battery body 10, and avoiding the thermal runaway of the lithium battery body 10 caused by the temperature being too high.

[0033] Working principle: in the process of using the above device, when the lithium battery body 10 needs to be discharged for detection, the top cover 2 is removed from the top of the equipment bin 1, then the lithium battery body 10 is placed at the bottom of the inner cavity of the equipment bin 1, then the driving motor 16 is started, and the driving screw 17 is driven under the action of the driving motor 16, so that the moving plate 14 moves back and forth along the outer wall of the driving screw 17. In the process of moving the driving screw 17, the connecting seat 12 is inserted into the outer wall of the contact column 18 to form a communication circuit, then the top cover 2 is covered on the top of the equipment bin 1, and the temperature of the lithium battery body 10 is detected in real time under the action of the temperature sensor 6 during the discharging process of the lithium battery body 10. Once the temperature of the lithium battery body 10 is too high and exceeds the normal working temperature of the lithium battery body 10, the driving motor 16 is started through the air permeable net 4, and the driving screw 17 and the moving plate 14 are driven again under the action of the driving motor 16, so that the moving plate 14 moves away from the lithium battery body 10. At this time, the connecting seat 12 can be removed from the outer wall of the contact column 18 to realize the power-off of the lithium battery body 10, then the heat dissipation fan 8 is started, and the lithium battery body 10 is quickly cooled under the action of the heat dissipation fan 8 and the heat dissipation plate 9, so that the temperature of the lithium battery body 10 is reduced, and the thermal runaway of the lithium battery body 10 is avoided.

[0034] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A discharge detection device for lithium battery processing, comprising a device bin (1), characterized in that: The top of the equipment bin (1) is provided with a top cover (2), the outer wall of the top cover (2) is fixedly provided with a controller (3), the outer wall of the top cover (2) is fixedly provided with a breathable mesh (4), the bottom of the top cover (2) is fixedly provided with a fixed box (5), the bottom of the fixed box (5) is fixedly provided with a fixed plate (7), the bottom of the fixed plate (7) is fixedly provided with a heat dissipation plate (9), the inner cavity of the fixed box (5) is provided with a heat dissipation fan (8), the bottom of the heat dissipation plate (9) is fixedly provided with a temperature sensor (6), the bottom of the inner cavity of the equipment bin (1) is provided with a lithium battery body (10), the outer wall of the lithium battery body (10) is fixedly provided with a contact column (18), the bottom of the inner cavity of the equipment bin (1) is fixedly provided with a supporting rod (11), the outer wall of the supporting rod (11) is movably sleeved with a connecting seat (12), the outer wall of the connecting seat (12) is provided with a discharge device (13), the outer wall of the connecting seat (12) is fixedly provided with a moving plate (14), the bottom of the inner cavity of the equipment bin (1) is fixedly provided with a supporting plate (15), the outer wall of the supporting plate (15) is fixedly provided with a drive motor (16), the inner cavity of the supporting plate (15) is rotatably connected with a drive screw (17), and the bottom of the inner cavity of the equipment bin (1) is fixedly provided with a baffle (19).

2. The discharge testing device for lithium battery processing according to claim 1, characterized in that: The bottom of the heat dissipation plate (9) is in contact with the top of the lithium battery body (10), and the heat dissipation plate (9) is made of copper.

3. The discharge detection device for lithium battery processing according to claim 1, characterized in that: The breathable mesh (4) is electrically connected between the temperature sensor (6) and the discharge device (13), respectively, the number of the contact column (18) is two, and the two contact columns (18) are respectively arranged on the outer wall of the lithium battery body (10).

4. The discharge detection device for lithium battery processing according to claim 1, characterized in that: The power output shaft of the drive motor (16) penetrates the outer wall of the supporting plate (15) and is connected with the outer wall of the drive screw (17), and the outer wall of the drive screw (17) is threadedly connected with the inner wall of the moving plate (14).

5. The discharge detection device for lithium battery processing according to claim 1, characterized in that: The inner wall diameter of the connecting seat (12) is equal to the outer wall diameter of the contact column (18), and the outer wall of the lithium battery body (10) is in contact with the outer wall of the baffle (19).

6. The discharge detection device for lithium battery processing according to claim 1, characterized in that: The installation position of the heat dissipation fan (8) corresponds to the installation position of the heat dissipation plate (9), and the inner cavity of the fixed box (5) communicates with the inner cavity of the breathable mesh (4).