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CN-224216843-U - Lithium battery fault detection device

CN224216843UCN 224216843 UCN224216843 UCN 224216843UCN-224216843-U

Abstract

The utility model relates to the technical field of lithium battery fault detection and discloses a lithium battery fault detection device which comprises a detector, wherein a probe is electrically connected inside the detector, one side of the detector is provided with a locking assembly, the locking assembly comprises a fixing frame, one side of the fixing frame is fixedly connected with the side wall of the detector, nuts are fixedly connected to two sides of the fixing frame, screws are connected to the inner parts of the nuts in a threaded manner, sliding grooves are formed inside the fixing frame, a sliding plate which is bilaterally symmetrical is connected inside the fixing frame in a sliding manner, and a limiting assembly is arranged at the top of the detector. According to the utility model, the screw is rotated to drive the sliding plate to slide in the chute, so that the limiting plate is further tightly attached to the outer wall of the probe, and meanwhile, the first spring is extruded, the effect of rapidly locking the probe is realized, the problem that the probe connection of the existing detection device is easy to loosen is solved, and the test connection efficiency and the accuracy of detection data are improved.

Inventors

  • JIN MIAOFENG
  • XU LINJIE
  • Gu Wangqiang

Assignees

  • 浙江中锂电科技有限公司

Dates

Publication Date
20260508
Application Date
20250430

Claims (8)

  1. 1. The lithium battery fault detection device comprises a detector (1) and is characterized in that a probe (2) is electrically connected inside the detector (1), and a locking assembly is arranged on one side of the detector (1); The locking assembly comprises a fixing frame (3), one side of the fixing frame (3) is fixedly connected with the side wall of the detector (1), nuts (4) are fixedly connected to two sides of the fixing frame (3), screw rods (5) are connected to the two sides of the nuts (4) in a threaded mode, sliding grooves (9) are formed in the fixing frame (3), sliding plates (6) are connected to the inner sides of the fixing frame (3) in a sliding mode, the sliding plates (6) are connected to the inner sides of the sliding grooves (9) in a sliding mode, one end of each screw rod (5) is connected to the inner side of each sliding plate (6) in a rotating mode, one end of each sliding plate (6) is provided with one spring (7), one end of each spring is fixedly connected to the side wall of each sliding plate (6), the other end of each spring is fixedly connected with a limiting plate (8), the limiting plates (8) are in contact with the outer walls of the probes (2), and the tops of the detector (1) are provided with limiting assemblies.
  2. 2. The lithium battery fault detection device according to claim 1, wherein the limiting component comprises a fixed rod (10) and a sliding piece (11), the bottom of the fixed rod (10) is fixedly connected with the upper surface of the detector (1), and the outer wall of the sliding piece (11) is slidably connected inside the fixed rod (10).
  3. 3. The lithium battery fault detection device according to claim 2, wherein the side wall of the sliding piece (11) is fixedly connected with a left-right symmetrical fixing block (12), and the inside of the fixing block (12) is slidably connected with an extrusion block (13).
  4. 4. The lithium battery fault detection device according to claim 3, wherein the fixing rod (10) is internally provided with a plurality of limiting grooves (16), and one side of the fixing block (12) is provided with a second spring (14).
  5. 5. The lithium battery fault detection device according to claim 4, wherein one end of the second spring (14) is fixedly connected to the inner wall of the fixed block (12), and the other end of the second spring is fixedly connected to the side wall of the extrusion block (13).
  6. 6. The lithium battery fault detection device according to claim 5, wherein limiting balls (15) are fixedly connected to one sides of the extrusion blocks (13), the limiting balls (15) are matched with the limiting grooves (16), and connecting blocks (17) are fixedly connected to the tops of the fixing blocks (12).
  7. 7. The lithium battery fault detection device according to claim 6, wherein a connecting ring (18) is fixedly connected to the top of the connecting block (17), a plurality of shrinkage rods (19) are fixedly connected to one side of the connecting ring (18), and a limiting ring (21) is fixedly connected to one end of each shrinkage rod (19).
  8. 8. The lithium battery fault detection device according to claim 7, wherein the outer walls of the contraction rods (19) are provided with springs III (20), one ends of the springs III (20) are fixedly connected to the inner wall of the connecting ring (18), and the other ends of the springs III are fixedly connected to the outer wall of the limiting ring (21).

Description

Lithium battery fault detection device Technical Field The utility model relates to the technical field of lithium battery fault detection, in particular to a lithium battery fault detection device. Background As an important energy storage device, a lithium battery is widely applied to various fields such as mobile electronic devices, electric automobiles and energy storage power stations, and the like, with the continuous increase of the usage amount of the lithium battery and the increasing complexity of application scenes, the performance and the safety of the lithium battery are concerned, and various faults such as capacity attenuation, internal resistance increase and short circuit are easy to occur due to factors such as aging, improper use and production defects in the use process of the lithium battery, so that the fault of the lithium battery is accurately and efficiently detected, and the fault detection device of the lithium battery is very important for guaranteeing the reliable operation of the lithium battery, prolonging the service life and guaranteeing the safety of related equipment and systems. The prior lithium battery fault detection device is generally provided with a display screen for data display, an operation key is used for function selection and parameter setting, and a test interface is used for connecting a battery, and the technical principle is that the test interface is mainly used for collecting electric parameters such as voltage, current and the like of the battery, relevant data are presented on the display screen after being processed by an internal circuit, and the battery state is primarily judged according to a preset standard and algorithm, for example, the parameters such as internal resistance and the like are calculated by measuring the voltage change and the current value of the battery in the charge-discharge process and combining the principles such as ohm law and the like, so that the health condition of the battery is evaluated. In actual use, the connection stability of the test interface of the existing lithium battery fault detection device is poor, when the detection device is vibrated and accidentally pulled in the working process, or when the detection device is moved, the connection part of the test interface and the battery is easy to loose, so that poor contact is caused, deviation or interruption of data acquired in the detection process can occur, the accuracy of the detection result is seriously influenced, reliable basis cannot be provided for lithium battery fault diagnosis, and the lithium battery fault detection device is provided for solving the problems. Disclosure of utility model In order to make up for the defects, the utility model provides a lithium battery fault detection device, which aims to solve the problems that the existing lithium battery fault detection device is unstable in connection of a test interface, is easily affected by vibration, cable pulling and the like, and causes poor contact, so that detection data is deviated or interrupted, and the result accuracy is poor. In order to achieve the above purpose, the present utility model adopts the following technical scheme: the lithium battery fault detection device comprises a detector, wherein a probe is electrically connected inside the detector, and a locking assembly is arranged on one side of the detector; The locking assembly comprises a fixing frame, one side of the fixing frame is fixedly connected with the side wall of the detector, nuts are fixedly connected to two sides of the fixing frame, screw rods are connected to the nuts in a threaded mode, sliding grooves are formed in the fixing frame, sliding plates which are bilaterally symmetrical are connected to the fixing frame in a sliding mode, the sliding plates are connected to the sliding grooves in a sliding mode, one end of each screw rod is rotationally connected to the inside of each sliding plate, one side of each sliding plate is provided with a first spring, one end of each spring is fixedly connected to the side wall of each sliding plate, the other end of each spring is fixedly connected with a limiting plate, each limiting plate is in contact with the outer wall of each probe, and the top of the detector is provided with a limiting assembly. As a further description of the above technical solution: The limiting assembly comprises a fixing rod and a sliding piece, wherein the bottom of the fixing rod is fixedly connected with the upper surface of the detector, and the outer wall of the sliding piece is slidably connected inside the fixing rod. As a further description of the above technical solution: The sliding piece lateral wall fixedly connected with bilateral symmetry's fixed block, the inside sliding connection of fixed block has the extrusion piece. As a further description of the above technical solution: a plurality of limit grooves are formed in the fixing rod, and springs II are arranged on o