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CN-121978589-A - Device for conveniently testing resistance of energy storage wire harness

CN121978589ACN 121978589 ACN121978589 ACN 121978589ACN-121978589-A

Abstract

The invention relates to the technical field of wire harness detection, in particular to a device for conveniently testing the resistance of an energy storage wire harness. The testing device comprises a lower case, wherein an upper case is detachably connected to the upper end of the lower case, two testing wires are arranged on two sides of the lower case, a testing clamp is detachably connected to the tail end of each testing wire, an adjusting insulating wheel is rotatably connected to the joint of the upper case and the lower case, a plurality of groups of conductive terminals are arranged on the adjusting insulating wheel, each group of conductive terminals are two, each testing wire is inserted into the lower case and extends upwards to the upper case, each two opposite testing wires are communicated through the conductive terminals, high-voltage, low-voltage and high-low-voltage mixed testing modes can be switched according to different testing requirements, additional replacement of equipment or modules is not needed, the testing assembly is prevented from being idle, the testing efficiency is improved, the testing wires can be automatically retracted and stored, the abrasion of the wires is reduced, the service life is prolonged, and the wire harness is prevented from falling off during testing by the locking structure.

Inventors

  • WU KE
  • HUANG MING
  • LI JIANGCHUAN
  • YU WEIWEI

Assignees

  • 汇铂斯电子技术(苏州)有限公司

Dates

Publication Date
20260505
Application Date
20260122

Claims (10)

  1. 1. The utility model provides a make things convenient for energy storage pencil resistance testing arrangement, including lower machine case (100), upper end detachably connected with of lower machine case (100) has last machine case (101), both sides of lower machine case (100) are provided with two test wire (106), the end of every test wire (106) is dismantled and is connected with test clamp (103), a serial communication port is in that the junction of last machine case (101) and lower machine case (100) rotates and is connected with adjusts insulating wheel (200), be provided with multiunit conductive terminal (201) on adjusting insulating wheel (200), every conductive terminal (201) of group is two, every test wire (106) insert the inside of lower machine case (100) and upwards extend to the inside of last machine case (101), every two relative test wire (106) are through conductive terminal (201) intercommunication, rotate and adjust insulating wheel (200) switch detection mode, can realize that all test wire (106) synchronous detection high-voltage energy storage pencil, synchronous detection low-voltage energy storage pencil, or partial test wire (106) detects high-voltage energy storage pencil, partial detection low-voltage energy storage.
  2. 2. The device for testing the resistance of the convenient energy storage wire harness of claim 1, wherein the number of the conductive terminals (201) is at least four, the first group consists of two high-voltage conductive terminals (201), the second group consists of one high-voltage conductive terminal (201) and one low-voltage conductive terminal (201), the third group consists of two low-voltage conductive terminals (201), and the fourth group consists of one low-voltage conductive terminal (201) and one high-voltage conductive terminal (201), and the arrangement positions of the high-voltage and low-voltage terminals of the second group are opposite.
  3. 3. The device for testing the resistance of the convenient energy storage wire harness of claim 1, wherein the servo motor (206) and the speed reducer (205) are detachably connected to the bottom of the inner side of the upper case (101), the servo motor (206) is in transmission connection with the speed reducer (205), the meshing gear (204) is detachably connected to the output end of the speed reducer (205), the meshing toothed ring (202) is detachably connected to the outer wall of the adjusting insulating wheel (200), the meshing toothed ring (202) is meshed with the meshing gear (204), and the encoder is arranged in the servo motor (206).
  4. 4. The device for conveniently testing the electrical resistance of an energy storage wire harness of claim 1 further comprising a plurality of reel assemblies mounted within the lower housing (100) such that the test wire (106) has a force to retract within the lower housing (100).
  5. 5. The device for testing the resistance of the convenient energy storage wire harness of claim 4, wherein the winding assembly comprises a sliding sleeve (300), an extending rod (302), rubber rollers (304), a mounting bracket (303) and a return spring (301), wherein a plurality of inclined mounting blocks (108) are fixedly connected to the inner wall of the lower case (100), the sliding sleeve (300) is detachably connected to each inclined mounting block (108), the extending rod (302) is slidably connected to the inner part of the sliding sleeve (300), the return spring (301) is arranged between the extending rod (302) and the sliding sleeve (300), the mounting bracket (303) is detachably connected to the end part of the extending rod (302), the rubber rollers (304) are embedded in the inner part of the mounting bracket (303), and the rubber rollers (304) contact the outer wall of the test wire (106) so that the test wire (106) is in a bent state in the lower case (100).
  6. 6. The device for conveniently testing the resistance of the energy storage wire harness according to claim 4 or 5, further comprising a plurality of locking assemblies arranged outside the lower case (100), wherein each testing wire (106) can be drawn out and fixed by the locking assemblies.
  7. 7. The device for conveniently testing the resistance of the energy storage wire harness according to claim 6, wherein the locking assembly (400) comprises a threaded plastic pipe (401), a separation groove (402), a rotary cap (403) and an inner threaded ring (404), the threaded plastic pipe (401) is fixedly connected to the outer wall of the lower case (100) at a position where each test wire (106) penetrates out, the test wire (106) penetrates out of the threaded plastic pipe (401), the inner threaded ring (404) is fixedly connected to the inner wall of the rotary cap (403), the inner threaded ring (404) is in threaded connection with the outer wall of the threaded plastic pipe (401), a plurality of separation grooves (402) are formed in the threaded plastic pipe (401), the rotary cap (403) is rotated to move along the length direction of the threaded plastic pipe (401), and the end portion of the threaded plastic pipe (401) is contracted and clamped on the outer wall of the test wire (106).
  8. 8. The device for testing the resistance of the energy storage wire harness conveniently according to claim 1, wherein a plurality of radiating slots (105) are formed in the outer walls of the upper case (101) and the lower case (100), a plurality of radiating fans (110) are arranged at the bottom of the inner side of the upper case (101), the bottom of the upper case (101) below each radiating fan (110) is communicated with the lower case (100), and a temperature sensor (109) is arranged at the top of the inner side of the upper case (101).
  9. 9. The device for testing the resistance of the energy storage wire harness conveniently according to claim 8, wherein the adjusting insulating wheel (200) is provided with a plurality of insulating honeycomb plates (203), and the insulating honeycomb plates (203) are made of ceramic materials.
  10. 10. The device for testing the resistance of the convenient energy storage wire harness of claim 1, wherein the four corners of the bottom of the lower case (100) are detachably connected with self-locking universal wheels (104), a holding handle (107) is arranged on the outer wall of one side of the lower case (100), and a display screen (102) is arranged on the outer wall of the upper case (101).

Description

Device for conveniently testing resistance of energy storage wire harness Technical Field The invention relates to the technical field of wire harness detection, in particular to a device for conveniently testing the resistance of an energy storage wire harness. Background The energy storage wire harness plays roles in signal and data transmission and power supply in the whole energy storage industry chain, and the energy storage system needs stable and reliable signal connection, so that the energy storage wire harness has very strict requirements on the functions of high temperature resistance, high pressure resistance, aging resistance, electromagnetic shielding, flame retardance and the like. The energy storage wire harness test resistor is used for guaranteeing three core targets of safety, performance and reliability, the energy storage wire harness is responsible for high-voltage large-current transmission, if the wire harness resistance is abnormally increased, a large amount of heat can be generated when the large current passes through the wire harness, an insulating layer is easy to be aged and burned out by heating, short circuit and even fire disaster are caused, and therefore resistance test is needed to be conducted on the energy storage wire harness. The invention patent with the bulletin number of CN115980410B discloses a convenient energy storage wire harness resistance testing device which comprises a display, an upper case, a lower case, a high-voltage testing wire, a low-voltage testing wire, a high-voltage wire hole, a low-voltage wire hole, a standing board, a radiating hole, a suction board, a testing piece radiating device and a power supply, wherein the display is positioned on the surface of the upper case, the high-voltage wire hole is positioned on the side surface of the lower case, the low-voltage wire hole is positioned below the high-voltage wire hole, the suction board is positioned at the left bottom of the lower case, the standing board is positioned on the right side of the lower case, the radiating device comprises a radiating fan, the wind direction of the radiating fan faces the radiating hole, the radiating hole is positioned at the upper right side of the upper case, and the power supply is electrically connected with the radiating fan. Although the device can make things convenient for the detection of high low pressure resistance, under actual production's detection scene, can exist and measure high pressure or the circumstances of measuring low pressure simultaneously, if the energy storage pencil that needs to measure is high pressure or low pressure, then can lead to another high pressure or low pressure test assembly to be in idle state, reduced the test efficiency to energy storage pencil resistance, can not adjust different test methods according to actual test scene. Disclosure of Invention The invention provides a convenient energy storage wire harness resistance testing device, which can simultaneously measure high-voltage and low-voltage energy storage wire harnesses through different combined high-voltage and low-voltage conductors, so as to solve the problems in the prior art, namely under the detection scene of actual production, the situation that the high-voltage and the low-voltage are simultaneously measured exists, if the energy storage wire harnesses to be measured are both high-voltage and low-voltage, another high-voltage and low-voltage testing component is in an idle state, the testing efficiency of the energy storage wire harness resistance is reduced, and different testing modes cannot be adjusted according to the actual testing scene. In order to achieve the above purpose, this convenient energy storage wire harness resistance testing device, including lower machine case, the upper end of lower machine case can be dismantled and be connected with the machine case, the both sides of lower machine case are provided with two test wires, the terminal of every test wire can be dismantled and be connected with the test clamp, the junction rotation of upper machine case and lower machine case is connected with the regulation insulating wheel, be provided with multiunit conductive terminal on the regulation insulating wheel, every group conductive terminal is two, every test wire inserts the inside of lower machine case and upwards extends to the inside of upper machine case, every two relative test wires pass through conductive terminal intercommunication, rotate and adjust the insulating wheel and switch detection mode, can realize that all test wires synchronous detection high voltage energy storage pencil, synchronous detection low voltage energy storage pencil, or partial test wire detects high voltage energy storage pencil, partial detection low voltage energy storage pencil. In the technical scheme, the detection mode can be switched under different detection scenes by rotating the adjusting insulating wheel to switch the detection mode. O