New energy automobile wire harness waterproof air tightness test equipment

Abstract

The invention relates to the technical field of wire harness test equipment, and discloses new energy automobile wire harness waterproof air tightness test equipment, which comprises a lower cabinet and an upper cover, the upper cover is assembled at the top of the lower cabinet, a detection mechanism is assembled at the top of the inner side of the upper cover, and the detection mechanism comprises a downward pressing air cylinder. The downward-pressing air cylinder is assembled on the top of the inner side of the upper cover, the output end of the downward-pressing air cylinder is connected with an upper pressing head, a lower die is assembled at the bottom of the upper pressing head and connected with the bottom of the inner side of the upper cover, a sealing ring is embedded in the top of the lower die, and a positioning column is inserted in the top of the lower die. A guide column is connected to the outer portion of the positioning column in a sliding mode and connected with the upper pressing head. According to the new energy automobile wire harness waterproof air tightness test equipment, the problem that the quality condition of a wire harness cannot be completely mastered due to the influence on a detection result caused by the fact that the wire harness is static when the wire harness is detected in a traditional detection mode is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of wiring harness testing equipment, in particular to a waterproof and airtightness testing equipment for wiring harnesses of new energy vehicles. Background Art

[0002] A wiring harness is a combination of multiple wires or cables with necessary protective jackets and connectors, used to simplify the installation, maintenance and management of electrical systems;

[0003] New energy vehicles refer to vehicles that use unconventional vehicle fuels as their power source (or use conventional vehicle fuels and adopt new vehicle power devices), and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies, and new structures.

[0004] When assembling new energy vehicles, wiring harnesses are needed to connect engine control units, sensors, lights, audio systems, etc. to ensure reliable connection and signal transmission between various components.

[0005] In order to ensure the stability of new energy vehicles and other electrical equipment during operation, it is necessary to conduct waterproof testing on the wiring harness to verify whether the wiring harness can maintain its function and integrity in a humid or submerged environment to prevent circuit short circuits, signal transmission errors and other problems;

[0006] In the prior art, the immersion method and the differential pressure air tightness tester method are usually used to test the waterproofness of the wiring harness. However, the wiring harness is usually tested statically, and can only conventionally test the data when the wiring harness is stationary. The wiring harness is usually used when the car is moving, and it is impossible to simulate the use state for testing, thereby reducing the controllability of the wiring harness and the detection data of the wiring harness, and reducing the use effect of the product. Summary of the invention

[0007] 1. Technical issues to be resolved

[0008] In view of the deficiencies in the prior art, the present invention provides a new energy vehicle wiring harness waterproof and airtightness testing device to solve the above-mentioned technical problem that it is impossible to simulate the use state for detection, thereby reducing the controllability of the wiring harness and reducing the use effect of the product.

[0009] (II) Technical solution

[0010] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a new energy vehicle wiring harness waterproof and airtightness testing equipment, comprising: a lower cabinet and an upper cover, and the upper cover is assembled on the top of the lower cabinet, and the inner top of the upper cover is equipped with a detection mechanism, and the detection mechanism comprises a downward pressure cylinder, and the downward pressure cylinder is assembled on the top of the inner side of the upper cover, and the output end of the downward pressure cylinder is connected with an upper pressure head, and the bottom of the upper pressure head is equipped with a lower mold, and the lower mold is connected to the inner bottom of the upper cover, and a sealing ring is embedded in the top of the lower mold, and a positioning column is inserted at the top of the lower mold, and the outside of the positioning column is slidably connected with a guide column, and the guide column is connected to the upper pressure head, and the interior of the upper pressure head is evenly provided with springs, and the outside of the lower mold is connected with a test pipe joint, and the interior of the upper pressure head is equipped with a pressure sensor.

[0011] A barcode scanning gun is installed on the inner side of the upper cover, and a testing mechanism is installed on the inner bottom of the upper cover, the testing mechanism includes a frame, the frame is connected to the upper cover, the outside of the frame is connected with a forward and backward moving module by bolts, the outside of the forward and backward moving module is connected with an up and down moving module by bolts, the top of the up and down moving module is equipped with a wire harness placement box, the top of the wire harness placement box is connected with a placement box cover by a hinge, the top of the wire harness placement box is evenly distributed with adsorption magnets, and the adsorption magnets are connected to the placement box cover.

[0012] Preferably, a Fomag wheel is installed at the bottom of the lower cabinet, a start button is installed at the top of the lower cabinet, and a waterproof cover is installed on the outside of the start button. The Fomag wheel facilitates the movement and limitation of the lower cabinet, the start button can start the equipment inside the lower cabinet, and the waterproof cover prevents water stains from affecting the start button.

[0013] Preferably, an emergency stop button is installed on the top of the lower cabinet, and a protective cover is provided on the outer cover of the emergency stop button. The emergency stop button facilitates emergency stopping of the equipment inside the upper cover, and the protective cover can prevent the emergency stop button from being accidentally touched during use.

[0014] Preferably, a safety grating is mounted on the outside of the upper cover, and a three-color light is mounted on the top of the upper cover. The safety grating can protect the upper cover, and the three-color light can display the use status of the upper cover.

[0015] Preferably, the outside of the upper cover is equipped with a display screen, and the front of the upper cover is equipped with a leakage detector. The display screen and the leakage detector are connected via a line. The display screen and the leakage detector cooperate to display the working status of the device and control the device.

[0016] Preferably, a touch screen is mounted on the front of the upper cover, a protective film is mounted on the front of the touch screen, and the touch screen can display partial information of the device.

[0017] Preferably, the outside of the barcode scanning gun is connected to the inside of the upper cover via an XY axis displacement platform, and the barcode scanning gun can be moved to improve the detection effect.

[0018] Preferably, the placement box cover is a transparent acrylic plate, and a handle is provided on the outside of the placement box cover. The transparent placement box cover facilitates viewing of the wiring harness inside the wiring harness placement box, and the handle facilitates driving the placement box cover to rotate.

[0019] Preferably, a circular groove is provided on the left side of the wiring harness placement box, and a rubber sleeve is provided on the outside of the circular groove. The circular groove and the rubber sleeve can support and limit the wiring harness.

[0020] Preferably, the interior of the lower mold is equipped with a sealing block group, and the sealing block group includes a groove and a protrusion, the groove is opened inside the lower mold, and the protrusion is connected to the upper pressure head. The cooperation of the groove and the protrusion can increase the sealing between the upper pressure head and the lower mold.

[0021] (III) Beneficial effects

[0022] Compared with the prior art, the present invention provides a new energy vehicle wiring harness waterproof and airtightness testing device, which has the following beneficial effects:

[0023] 1. The waterproof and air tightness test equipment for the wiring harness of new energy vehicles can quickly fix and limit the wiring harness during waterproof testing through the added testing mechanism, and through the cooperation of the internal up and down moving module and the front and back moving module, the wiring harness can be driven to swing 50° forward and backward and left and right during wiring harness testing, thereby simulating the condition of the wiring harness when in use, avoiding the traditional testing method in which the wiring harness is stationary during testing, thus affecting the test results and making it impossible to fully control the quality of the wiring harness;

[0024] 2. The waterproof and air tightness test equipment for the wiring harness of new energy vehicles can quickly limit and seal the wiring harness detection end through the added detection mechanism when the wiring harness is waterproof tested, and press down in a straight line through the cooperation of the guide column and the positioning column assembled inside, so as to avoid the wiring harness being unable to align normally during the test, resulting in reduced internal sealing and thus affecting the test data. At the same time, the added spring can reduce the impact force of the upper pressure head on the wiring harness directly, causing damage to the wiring harness;

[0025] 3. The waterproof and airtightness test equipment for the wiring harness of new energy vehicles can quickly fill and seal the interior of the testing mechanism through the sealing block group opened inside the lower mold after the barcode scanner completes the scanning of the wiring harness, thereby reducing the test cavity space inside the lower mold, thereby greatly improving the sealing of the testing mechanism during the wiring harness detection, and then improving the accuracy of the detection data. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a front schematic diagram of the present invention;

[0027] Figure 2 It is a front schematic diagram of the detection mechanism of the present invention;

[0028] Figure 3 This is an explosion schematic diagram of the detection mechanism of the present invention;

[0029] Figure 4 This is a schematic diagram of the top of the lower mold of the present invention;

[0030] Figure 5 It is a partial schematic diagram of the testing mechanism of the present invention;

[0031] Figure 6 This is a schematic diagram of the interior of the wiring harness placement box of the present invention;

[0032] Figure 7 It is a schematic diagram of the assembly of the testing mechanism of the present invention.

[0033] In the figure: 1. Lower cabinet; 11. Emergency stop button; 12. Fomar wheel; 13. Start button; 2. Upper cover; 21. Safety grating; 22. Touch screen; 23. Three-color light; 24. Leak detector; 25. Display screen; 3. Detection mechanism; 31. Down-pressure cylinder; 32. Upper pressure head; 33. Lower die; 331. Sealing block group; 34. Sealing ring; 35. Positioning column; 36. Guide column; 37. Spring; 38. Test pipe joint; 39. Pressure sensor; 4. Barcode scanner; 5. Test mechanism; 51. Wire harness placement box; 52. Placement box cover; 53. Adsorption magnet; 54. Up and down moving module; 55. Forward and backward moving module; 56. Rack. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] The present invention provides a technical solution, please refer to Figure 1 , Figure 2 and Figure 3A new energy vehicle wiring harness waterproof and air tightness testing device includes: a lower cabinet 1 and an upper cover 2, and the upper cover 2 is assembled on the top of the lower cabinet 1, the bottom of the lower cabinet 1 is equipped with a Foma wheel 12, the top of the lower cabinet 1 is equipped with a start button 13, and the outside of the start button 13 is equipped with a waterproof cover, the Foma wheel 12 facilitates the movement and limit of the lower cabinet 1, the start button 13 can start the equipment inside the lower cabinet 1, and the waterproof cover prevents water stains from affecting the start button 13.

[0036] An emergency stop button 11 is installed on the top of the lower cabinet 1, and a protective cover is provided on the outside of the emergency stop button 11. The emergency stop button 11 is convenient for emergency stopping of the equipment inside the upper cover 2, and the protective cover can prevent the emergency stop button 11 from being accidentally touched during use. A safety grating 21 is installed on the outside of the upper cover 2, and a three-color light 23 is installed on the top of the upper cover 2. The safety grating 21 can protect the upper cover 2, and the three-color light 23 can display the use status of the upper cover 2.

[0037] The outside of the upper cover 2 is equipped with a display screen 25, and the front of the upper cover 2 is equipped with a leakage detector 24. The model of the leakage detector 24 is T8990, and it is a common leakage detection device in the prior art. The display screen 25 and the leakage detector 24 are connected through a line. The display screen 25 and the leakage detector 24 cooperate to display the working status of the device and control the device. The front of the upper cover 2 is equipped with a touch screen 22, and the front of the touch screen 22 is equipped with a protective film. The touch screen 22 can display some information of the device.

[0038] See also Figure 4 , Figure 5 and Figure 6 The top inner side of the upper cover 2 is equipped with a detection mechanism 3, and the detection mechanism 3 includes a downward pressure cylinder 31, and the downward pressure cylinder 31 is used to provide a descending driving force. The downward pressure cylinder 31 is assembled at the top inner side of the upper cover 2, and the output end of the downward pressure cylinder 31 is connected to an upper pressure head 32, and the bottom of the upper pressure head 32 is equipped with a lower mold 33. The lower mold 33 can be molded with the upper pressure head 32 to detect the wiring harness, and the lower mold 33 is connected to the inner bottom of the upper cover 2.

[0039] A sealing ring 34 is embedded in the top of the lower mold 33, and the sealing ring 34 increases the airtightness between the upper pressure head 32 and the lower mold 33. A positioning column 35 is inserted into the top of the lower mold 33, and the outer side of the positioning column 35 is slidably connected with a guide column 36. The positioning column 35 cooperates with the guide column 36 to guide the upper pressure head 32 to move linearly. The guide column 36 is connected to the upper pressure head 32. Springs 37 are evenly distributed inside the upper pressure head 32. The springs 37 can reduce the impact force of the detection mechanism 3 when it moves. The outside of the lower mold 33 is connected to a test pipe joint 38.

[0040] A pressure sensor 39 is installed inside the upper press head 32, and a sealing block group 331 is installed inside the lower mold 33. The sealing block group 331 includes a groove and a protrusion. The groove is opened inside the lower mold 33, and the protrusion is connected to the upper press head 32. The cooperation between the groove and the protrusion can increase the sealing between the upper press head 32 and the lower mold 33.

[0041] See also Figure 7 A barcode scanner 4 is installed on the inner side of the upper cover 2, and a testing mechanism 5 is installed on the inner bottom of the upper cover 2. The testing mechanism 5 includes a frame 56, and the frame 56 is connected to the upper cover 2. The outside of the frame 56 is connected to a forward and backward moving module 55 by bolts, and the outside of the forward and backward moving module 55 is connected to an up and down moving module 54 by bolts. The top of the up and down moving module 54 is equipped with a harness placement box 51.

[0042] The top of the wire harness placement box 51 is connected to a placement box cover 52 through a hinge. Adsorption magnets 53 are evenly distributed on the top of the wire harness placement box 51. The adsorption magnets 53 are connected to the placement box cover 52. The outside of the barcode scanning gun 4 is connected to the inside of the upper cover 2 through an XY-axis displacement platform. The barcode scanning gun 4 can be moved to improve the detection effect. The placement box cover 52 is a transparent acrylic plate. The outside of the placement box cover 52 is equipped with a handle. The transparent placement box cover 52 is convenient for viewing the wire harness inside the wire harness placement box 51, and the handle is convenient for driving the placement box cover 52 to rotate.

[0043] A circular groove is provided on the left side of the wire harness placement box 51, and a rubber sleeve is provided on the outside of the circular groove. The circular groove and the rubber sleeve can support and limit the wire harness. The frame 56 can support the front and rear moving module 55 and the up and down moving module 54. The wire harness placement box 51 and the placement box cover 52 can limit the wire harness. The adsorption magnet 53 can limit the placement box cover 52 to the top of the wire harness placement box 51. The up and down moving module 54 and the front and back moving module 55 are linear moving guide platforms in the existing structure, and are equipped with electric actuators inside, which can control the swing.

[0044] This solution first places the wiring harness to be tested inside the lower mold 33, presses the start button 13 to drive the barcode scanner 4 to scan and enter the wiring harness, and at the same time, the downward pressure cylinder 31 drives the upper pressure head 32 to descend and close the mold with the lower mold 33 until the specified pressure stops, and the up and down moving module 54 and the front and back moving module 55 move. The wiring harness is driven by the wiring harness placement box 51 to swing 50° forward and backward and left and right and test. After the test is completed, the wiring harness swings back and forth, and the downward pressure cylinder 31 moves up and down to take out the tested sample. The test result is displayed on the display screen 25, thereby completing the test of the device.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new energy vehicle wiring harness waterproof and air tightness test equipment, comprising: The invention relates to a lower cabinet (1) and an upper cover (2), wherein the upper cover (2) is mounted on the top of the lower cabinet (1), and is characterized in that: a detection mechanism (3) is mounted on the inner top of the upper cover (2), and the detection mechanism (3) comprises a downward pressure cylinder (31), and the downward pressure cylinder (31) is mounted on the inner top of the upper cover (2), and the output end of the downward pressure cylinder (31) is connected to an upper pressure head (32), and the bottom of the upper pressure head (32) is equipped with a lower mold (33), and the lower mold (33) is connected to the upper cover (2). The inner bottom is connected, a sealing ring (34) is embedded in the top of the lower mold (33), a positioning column (35) is inserted into the top of the lower mold (33), and the outside of the positioning column (35) is slidably connected to a guide column (36), the guide column (36) is connected to the upper pressure head (32), the inside of the upper pressure head (32) is evenly distributed with springs (37), the outside of the lower mold (33) is connected to a test pipe joint (38), and the inside of the upper pressure head (32) is equipped with a pressure sensor (39); The inner side of the upper cover (2) is equipped with a barcode scanner (4), and the inner bottom of the upper cover (2) is equipped with a testing mechanism (5), and the testing mechanism (5) comprises a frame (56), and the frame (56) is connected to the upper cover (2), and the outer side of the frame (56) is connected to a forward and backward moving module (55) by bolts, and the outer side of the forward and backward moving module (55) is connected to an up and down moving module (54) by bolts, and the top of the up and down moving module (54) is equipped with a wire harness placement box (51), and the top of the wire harness placement box (51) is connected to a placement box cover plate (52) by a hinge, and the top of the wire harness placement box (51) is evenly distributed with adsorption magnets (53), and the adsorption magnets (53) are connected to the placement box cover plate (52).

2. The waterproof and air tightness testing equipment for wiring harness of new energy vehicles according to claim 1 is characterized in that: The bottom of the lower cabinet (1) is equipped with a Forma wheel (12), the top of the lower cabinet (1) is equipped with a start button (13), and the outside of the start button (13) is equipped with a waterproof cover.

3. The waterproof and air tightness testing equipment for wiring harness of new energy vehicles according to claim 1 is characterized in that: An emergency stop button (11) is mounted on the top of the lower cabinet (1), and a protective cover is provided on the exterior of the emergency stop button (11).

4. The waterproof and air tightness testing equipment for wiring harness of new energy vehicles according to claim 1 is characterized in that: The exterior of the upper cover (2) is equipped with a safety grating (21), and the top of the upper cover (2) is equipped with a three-color lamp (23).

5. The waterproof and air tightness testing equipment for wiring harness of new energy vehicles according to claim 1 is characterized in that: The exterior of the upper cover (2) is equipped with a display screen (25), the front of the upper cover (2) is equipped with a leakage detector (24), and the display screen (25) and the leakage detector (24) are connected via a line.

6. The waterproof and air tightness testing equipment for wiring harness of new energy vehicles according to claim 1 is characterized in that: The front of the upper cover (2) is equipped with a touch screen (22), and the front of the touch screen (22) is equipped with a protective film.

7. The waterproof and air tightness testing equipment for wiring harness of new energy vehicles according to claim 1 is characterized in that: The outside of the barcode scanning gun (4) is connected to the inside of the upper cover (2) via an XY axis displacement platform.

8. The waterproof and air tightness testing equipment for wiring harness of new energy vehicles according to claim 1 is characterized in that: The placement box cover plate (52) is a transparent acrylic plate, and a handle is mounted on the outside of the placement box cover plate (52).

9. The waterproof and air tightness testing equipment for wiring harness of new energy vehicles according to claim 1 is characterized in that: A circular groove is provided on the left side of the wire harness placement box (51), and a rubber sleeve is provided on the outside of the circular groove.

10. The waterproof and air tightness testing equipment for wiring harness of new energy vehicles according to claim 1, characterized in that: A sealing block group (331) is assembled inside the lower die (33), and the sealing block group (331) comprises a groove and a convex block. The groove is opened inside the lower die (33), and the convex block is connected to the upper pressing head (32).

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