CN-121977756-A - New energy automobile pencil and waterproof leakproofness testing arrangement of controller grafting

CN121977756ACN 121977756 ACN121977756 ACN 121977756ACN-121977756-A

Abstract

The invention relates to the technical field of electric automobiles, in particular to a new energy automobile wire harness and controller plugging waterproof tightness testing device, which has the defect that the real waterproof detection requirement of an automobile when wading cannot be met in the prior art, the dynamic tightness detection of the wire harness connector body under different depths is realized, the real-time monitoring of the industrial camera and the bubble identification module is utilized, the data are collected by the cooperation of the pressure sensor and the water level detection module, the test environment is ensured to be close to the actual wading working condition, unqualified products are automatically locked and the whole process information is recorded when air leakage is found, the automation of the test process and the traceability of the data are realized, and the test quality is effectively improved.

Inventors

MENG FANXI
Wu jinke
REN SHUAI
JIN XIANGMING
HE HONGYAN
CHEN LING

Assignees

山东远程本途新能源汽车有限公司

Dates

Publication Date: 20260505
Application Date: 20260306

Claims (10)

1. The waterproof tightness testing device for the plugging of the new energy automobile wire harness and the controller is characterized by comprising a testing table, wherein a water tank is arranged on one side of the testing table, a mechanical arm is arranged on the surface of the testing table, a conveying belt is arranged on the surface of the testing table, a wire harness connector body is arranged on the surface of the conveying belt, a side fixing plate is fixedly arranged on one side of the testing table, an industrial camera is fixedly arranged in the side fixing plate, an operation screen is fixedly arranged on the upper surface of the side fixing plate, and an identification terminal is arranged in the operation screen; The inner wall that the water tank is close to industry camera direction is the glass board, the inside mould board that deposits that is provided with of water tank, deposit the mould board and be provided with the multiunit, every group deposit the mould board and laminate each other, the multiunit deposit the mould board surface all be provided with pressure sensor, water tank inner wall fixed mounting has the drive assembly who is used for the drive to deposit the mould board and carries out the leakproofness test, the inside fixed plate that is provided with of water tank, deposit the inside fixed subassembly that is used for the fixed unusual pencil of appearing of mould board and connect the body that is provided with of mould board, deposit the inside clamping assembly that is used for the fixed pencil of mould board and connect the body.
2. The device for testing the plugging waterproof tightness of the wire harness and the controller of the new energy automobile according to claim 1, wherein the storage die plate is internally provided with a cavity, the wire harness connector body is positioned in the cavity, the surface of the storage die plate is provided with a mounting groove, two sides of the inner wall of the mounting groove are provided with inner grooves, the clamping assembly is positioned in the inner grooves, the bottom of the cavity is fixedly provided with a support plate, the support plate is internally provided with a sliding groove, and the fixing assembly is positioned in the sliding groove.
3. The device for testing the plugging waterproof tightness of the wire harness and the controller of the new energy automobile according to claim 2, wherein the clamping assembly comprises a spring arranged in the inner groove, one side of the spring is fixedly installed with the inner wall of the inner groove, the other end of the spring is fixedly provided with a clamping plate, one side of the clamping plate is provided with a vertical groove, and the upper surface of the clamping plate is provided with an inclined plane.
4. The new energy automobile pencil and controller grafting waterproof tightness testing arrangement of claim 3, wherein the fixed subassembly is including setting up the slip frame in the spout inside, be provided with the bottom plate in the slip frame inside, bottom plate lower surface and spout bottom fixed mounting, bottom plate surface fixed mounting has the motor, slip frame both ends all fixed mounting has the stock, wherein a set of stock one end fixed mounting has left cardboard, another set of stock one end fixed mounting has C shape pole, C shape pole both ends all fixed mounting has right cardboard, motor and operation screen signal connection.
5. The device for testing plugging waterproof tightness of the new energy automobile wire harness and the controller according to claim 4, wherein a left plate groove is formed in one side of the storage die plate, the left plate groove is matched with the left clamping plate, rod grooves are formed in the storage die plate and the support plate, the rod grooves are matched with long rods, a wide groove is formed in the storage die plate, the C-shaped rod is movably connected in the wide groove, a right plate groove is formed in the other end of the storage die plate, and the right plate groove is matched with the right clamping plate.
6. The device for testing the plugging waterproof tightness of the wire harness and the controller of the new energy automobile according to claim 5, wherein the driving assembly comprises a stabilizing plate fixedly installed on the inner wall of the water tank, a motor is fixedly installed on the upper surface of the stabilizing plate, a threaded rod is arranged at the output end of the motor, a base is movably arranged at one end of the threaded rod, the base is fixedly installed at the bottom of the water tank, a sliding plate is sleeved on the outer surface of the threaded rod, a linkage plate is fixedly installed on one side of the sliding plate, a disassembling groove is formed in the surface of the linkage plate, a clamping plate groove is formed in the linkage plate, the clamping plate groove is communicated with the disassembling groove, the clamping plate groove is matched with the left clamping plate, and the disassembling groove is in sliding connection with the left clamping plate.
7. The device for testing the plugging waterproof tightness of the wire harness and the controller of the new energy automobile according to claim 6, wherein a plurality of groups of fixing plates are arranged, connecting plates are fixedly arranged on the lower surfaces of the plurality of groups of fixing plates, the connecting plates are fixedly arranged on the bottoms of the water tanks, a plurality of groups of rectangular grooves are formed in one side of each fixing plate, and the rectangular grooves are matched with the right clamping plates.
8. The device for testing the plugging waterproof tightness of the wire harness and the controller of the new energy automobile according to claim 7 is characterized in that a collecting frame is fixedly arranged on one side of the test bench, a dryer is fixedly arranged on the surface of the test bench, and a liquid inlet pipe is fixedly arranged on the inner wall of the water tank.
9. The device for testing the plugging waterproof tightness of the new energy automobile wire harness and the controller according to claim 8, wherein the identification terminal comprises an industrial camera, a test execution unit, a signal processing unit and a pressure sensor, and the device comprises the following components: the industrial camera is used for collecting underwater images in real time, identifying the water leakage state of bubbles, monitoring the water depth and the pressure, and recording test process data; The test execution unit is used for completing synchronous lifting, independent hovering, product diversion and resetting actions of the storage die plate according to the control instruction; the signal processing unit is used for receiving and analyzing the detection signals, judging whether the product is qualified or not, outputting a control instruction and processing system information; And the pressure sensor is used for detecting the water pressure of the position where the product is located in real time.
10. The device for testing the plugging waterproof tightness of the wire harness and the controller of the new energy automobile according to claim 9, wherein the industrial camera comprises a bubble identification module, a water level detection module and a recording module, and the device comprises the following components: The bubble identification module is used for identifying whether the underwater product generates bubbles or not through visual analysis and judging whether water leakage occurs or not; the water level detection module is used for monitoring the test water depth and the product immersion depth in real time and feeding back the height position of the station; the recording module is used for recording process data such as whether the product leaks water, the test water depth, the test time and the like, and realizing traceability of the test information; The test execution unit comprises a mechanical arm, a motor and a motor, wherein: the mechanical arm is used for disassembling and assembling the product and automatically transferring the product to a corresponding area according to the qualified and unqualified judging result of the product, so that classification and conveying of qualified products and unqualified products are realized; The motor is used for adjusting whether the storage die plate is separated from the driving assembly or not in real time according to signals fed back by the operation screen; the motor is used for driving the multiple groups of storage die plates to lift and testing the waterproof tightness of the product; The signal processing unit comprises a signal processing module, a signal conversion module and a product quality judging module, wherein: The signal processing module is used for receiving, analyzing and detecting various signals of the executing mechanism and finishing data operation and instruction coordination; the signal conversion module is used for realizing the mutual conversion of the analog signal and the digital signal and ensuring the normal transmission of the detection and control signals; and the product quality judging module is used for automatically judging whether the waterproof performance of the product is qualified or not by combining the water leakage state, the testing depth and the pressure maintaining time.

Description

New energy automobile pencil and waterproof leakproofness testing arrangement of controller grafting Technical Field The invention relates to the technical field of electric automobiles, in particular to a new energy automobile wire harness and controller plugging waterproof tightness testing device. Background The waterproof tightness testing device is special waterproof performance testing equipment which is specially developed for the plugging interface of the wire harness and the controller of the new energy automobile, can simulate complex waterproof working conditions such as rain, wading, high-pressure spraying and the like in the actual use of the automobile, and can accurately detect the sealing integrity of the plugging part by means of water pressure or air pressure detection, leakage monitoring, quantitative analysis of sealing gaps and the like. In the chinese patent of application number CN222635702U, a waterproof sealing testing device for automobile wire harnesses is disclosed, the force of rotating through the motor driving rotating rod is matched with components such as press roller, gear and belt in the testing device, the effect that automobile wire harness plug-ins with different thickness can be clamped between the grooves and the raised rings on the surface of the press roller is achieved, thus the effect that multiple groups of automobile wire harness plug-ins are arranged and not wound together to enter the inside of the protective shell is achieved, the problem of wire harness winding, interlacing or twisting is avoided, and the quality of wire harnesses is guaranteed. Aiming at the above and related existing technologies, the inventor considers that the defects that the existing test mode only carries out arrangement limit on the wire harness plug-in, conventional detection is carried out after winding is avoided, the real waterproof detection requirement of the plugging position of the wire harness and the controller of the new energy automobile cannot be met, as different water pressures can simulate the pressure-bearing working conditions of different wading depths of the vehicle, the potential delay leakage hazards which occur after long-time soaking can be checked by different test time lengths, the existing test cannot realize layered detection of the water pressures and the time lengths, and defective products cannot be distinguished under the condition of not interfering the flow, so that hidden sealing defects of the plugging position of the wire harness are difficult to expose, the test process is easy to be interfered abnormally, and the problem of test quality is reduced. Disclosure of Invention The invention aims to solve the technical problem that the prior art has the defect that the real waterproof detection requirement of an automobile wading cannot be met, and therefore, the invention provides a waterproof tightness testing device for plugging a new energy automobile wire harness and a controller. In order to achieve the aim, the novel energy automobile wire harness and controller plugging waterproof tightness testing device adopts the following technical scheme that the novel energy automobile wire harness and controller plugging waterproof tightness testing device comprises a testing table, wherein a water tank is arranged on one side of the testing table, a mechanical arm is arranged on the surface of the testing table, a conveying belt is arranged on the surface of the testing table, a wire harness connector body is arranged on the surface of the conveying belt, a side fixing plate is fixedly arranged on one side of the testing table, an industrial camera is fixedly arranged inside the side fixing plate, an operation screen is fixedly arranged on the upper surface of the side fixing plate, and an identification terminal is arranged inside the operation screen; The inner wall that the water tank is close to industry camera direction is the glass board, and the inside mould board that deposits that is provided with of water tank, deposit the mould board and be provided with the multiunit, every group deposit the mould board laminating each other, and the mould board surface is all deposited to the multiunit is provided with pressure sensor, and water tank inner wall fixed mounting has the drive assembly who is used for the drive to deposit the mould board and carries out the leakproofness test, and the inside fixed plate that is provided with of water tank deposits the inside fixed subassembly that is used for fixed unusual pencil to connect the body that appears that is provided with of mould board, deposits the inside clamping assembly that is used for fixed pencil to connect the body that is provided with of mould board. Preferably, the cavity is formed in the storage die plate, the wire harness connector body is located in the cavity, the mounting groove is formed in the surface of the storage die plate, the inner groove is formed in the two sides of the in