CN-224216185-U - Safety monitoring device for discharge temperature of waste lithium battery

CN224216185UCN 224216185 UCN224216185 UCN 224216185UCN-224216185-U

Abstract

The utility model discloses a safety monitoring device for discharge temperature of a waste lithium battery, which belongs to the technical field of waste lithium battery discharge temperature monitoring equipment and comprises a waste lithium battery pack placed on an insulating support platform, wherein a plurality of battery monomers are fixedly arranged in the waste lithium battery pack, the battery monomers are connected to an end base in series through wires, the end base is externally connected with a temperature detection signal wire to the monitoring equipment, and the safety monitoring device comprises four telescopic supports distributed in a rectangular shape, wherein telescopic support telescopic sections positioned on the same front side and the same rear side are connected together through transverse support plates. The discharge temperature safety monitoring device can monitor the temperature change of each battery cell in the lithium battery pack and the temperature change of the surrounding environment of the insulating support platform, provides reliable discharge temperature monitoring data, and is convenient for experimental staff to analyze and compare to obtain the real discharge performance data of the waste lithium battery pack.

Inventors

WEI WEI
YU YAOBING
HU ZHENGUI
ZHU XIAODONG

Assignees

上海慧镕再生能源有限公司

Dates

Publication Date: 20260508
Application Date: 20250717

Claims (6)

1. The utility model provides a old and useless lithium cell discharge temperature safety monitoring device, includes the old and useless lithium cell group of placing on insulating support platform, old and useless lithium cell group inside arrange and be fixed with a plurality of battery monomer, a plurality of battery monomer all establish ties to the end base through the electric wire on, the external temperature detection signal line of end base to monitoring facilities, its characterized in that: the safety monitoring device comprises four telescopic supports which are distributed in a rectangular mode, telescopic support telescopic sections which are located on the same side in the front and the rear are connected together through transverse support plates, two parallel tracks are arranged between the support plates, each track is composed of four guide rods which are distributed in a rectangular mode, a control box is fixed on the outer side face of the support plate located on the base side of the end head of the support plate, the control box is connected to monitoring equipment through detection signal wires, and the control box is connected to a power supply socket through a power line.
2. The device for safely monitoring the discharge temperature of the waste lithium battery according to claim 1, wherein the damping bearing seat is arranged on the surface of the support plate on one side of the control box, the support rod is fixedly connected to the outer side face of the rotating part of the damping bearing seat, the environmental temperature sensor is fixedly arranged on the top of the support rod, and the environmental temperature sensor is connected to the corresponding interface of the control box through a circuit.
3. The device for safely monitoring the discharge temperature of the waste lithium battery is characterized in that a plurality of cross-shaped sliding seats are embedded and installed in a cross-shaped area between the rails, a poking rod is connected to the top surface of each cross-shaped sliding seat upwards, a threaded rod is fixed to the outer side surface of each cross-shaped sliding seat and is limited on the rails through nuts on the threaded rod, binding posts are fixed to the inner side surface of each cross-shaped sliding seat, the binding posts are connected to corresponding interfaces of the control box through circuits, a telescopic connecting rod is connected to the bottom surface of each cross-shaped sliding seat downwards, mounting bars are connected to telescopic sections at the lower ends of the telescopic connecting rods, a plurality of mounting plates are arranged on the lower side surface of each mounting bar at equal intervals, and the plurality of mounting plates are respectively attached to different positions on the upper side surfaces of the battery cells.
4. The device for safely monitoring the discharge temperature of the waste lithium battery according to claim 3, wherein the top plates are arranged on two sides of the upper surface of the mounting bar, the outer side surface of the top plate is connected to the upper end position of the inner side surface of the rotating clamping plate through a reset spring, the front side and the rear side of the middle position of the inner side surface of the rotating clamping plate are connected to rotating shafts externally connected with two sides of the mounting bar, and the lower end of the inner side surface of the rotating clamping plate is clamped into the grooves of the shells on two sides of the battery unit.
5. The device for safely monitoring the discharge temperature of the waste lithium battery according to claim 4, wherein a plurality of grooves are formed in the lower surface of the mounting plate, and a thermistor is embedded in each groove and is connected to the binding post through a lead.
6. The device for safely monitoring the discharge temperature of the waste lithium battery according to claim 5, wherein the telescopic supports are limited in height by locking bolts of non-telescopic sections, and hoisting thread cylinders are arranged on the periphery of the waste lithium battery pack.

Description

Safety monitoring device for discharge temperature of waste lithium battery Technical Field The utility model relates to the technical field of waste lithium battery discharge temperature monitoring equipment, in particular to a waste lithium battery discharge temperature safety monitoring device. Background At present, when the lithium Battery pack of the new energy automobile is recovered, firstly, the waste lithium Battery pack is required to be weighed, after the weighing is finished, the lithium Battery pack is subjected to discharge operation on an insulating support platform, the performance of the lithium Battery pack is evaluated, in the process, a worker is connected with an interface of the lithium Battery pack, and the temperature of the waste lithium Battery pack in the discharge process is obtained in real time through a Temp of a Battery Management System (BMS) (Battery MANAGEMENT SYSTEM), namely a temperature detection signal line, so that the purpose of monitoring is achieved. The prior discharge temperature safety monitoring method has the following problems that firstly, a groove is arranged on a bus of a lithium battery pack in general, a temperature sensor is fixed in the groove to monitor the temperature of the bus and reflect the overall temperature condition of the lithium battery pack in the working process, but the lithium battery pack consists of a plurality of battery monomers, each battery monomer constitution has a difference, so that the temperature distribution is often uneven, and the temperature of the bus is monitored only through the temperature detection signal wire due to the different heat dissipation conditions caused by the installation positions among the battery monomers, so that the actual discharge temperature condition of the lithium battery pack cannot be better reflected, potential safety hazards exist, and secondly, the temperature change of the surrounding environment of the lithium battery pack also can be influenced in the discharge process, and the real-time correlation comparison between the surrounding environment temperature change and the monitored temperature is required to be obtained in real time, so that the reliable discharge performance data of the waste lithium battery pack can be obtained. Disclosure of utility model The utility model aims to provide a discharge temperature safety monitoring device for waste lithium batteries, which can monitor the temperature change of each battery monomer in a lithium battery pack and the temperature change of the surrounding environment of an insulating support platform, provides reliable discharge temperature monitoring data, and is convenient for experimental staff to analyze and compare to obtain the real discharge performance data of the waste lithium battery pack. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: The utility model provides a old and useless lithium cell discharge temperature safety monitoring device, includes the old and useless lithium cell group of placing on insulating support platform, the inside range of old and useless lithium cell group be fixed with a plurality of battery monomer, a plurality of battery monomer all establish ties to the end base through the electric wire on, the external temperature detection signal line of end base to supervisory equipment on, safety monitoring device including four telescopic support that are the rectangle and distribute, wherein all link together through horizontal mounting panel between the telescopic support telescopic section that is located same side around being located, the mounting panel between be equipped with two parallel tracks, wherein every track comprises four guide bars that are the rectangle and distribute, the mounting panel lateral surface that is located the end base side be fixed with the control box, the control box be connected to supervisory equipment through the detection signal line and the control box be connected to on the power supply socket through the power cord. As a further optimization of the scheme, the damping bearing seat is arranged on the surface of the support plate on one side of the control box, the support rod is fixedly connected to the outer side face of the rotating part of the damping bearing seat, the ambient temperature sensor is fixed to the top of the support rod, and the ambient temperature sensor is connected to the corresponding interface of the control box through a circuit. As the further optimization of this scheme, cross regional embedding between the track install a plurality of cross slide, cross slide top surface upwards be connected with the poking rod, cross slide lateral surface be fixed with the threaded rod and spacing on the track through the nut on the threaded rod, cross slide medial surface be fixed with the terminal, the terminal correspond the interface through the circuit connection to the control box on, cross slide