A high voltage harness detection device and system

Abstract

The utility model provides a kind of high-voltage wiring harness detection device and system.The high-voltage wiring harness detection device includes detection seat, voltage resistance detection component, air pressure pump and air-tightness detection mechanism, and when the plug of wiring harness is connected with detection plug and in when air pressure pump injects high pressure into air pressure cavity, air-tightness detection mechanism detects the change situation of air pressure in air pressure cavity, air pressure pump stops to continue pressurizing in air pressure cavity at the same time.When the pressure of air pressure cavity remains unchanged, it indicates that the plug sealing performance of wiring harness is good, and when the pressure of air pressure cavity decreases, it indicates that the plug sealing property of wiring harness is poor.Voltage resistance detection component is used to detect the voltage resistance and resistance of wiring harness information, so as to obtain whether wiring harness is qualified.Because voltage resistance detection component is arranged in air pressure cavity, air-tightness detection mechanism and voltage resistance detection component can obtain the air-tightness of wiring harness plug and the voltage resistance and resistance of wiring harness simultaneously, so as to improve the detection efficiency of wiring harness.

Description

Technical Field

[0001] This utility model relates to the field of wire harness testing technology, and in particular to a high-voltage wire harness testing device and system. Background Technology

[0002] In power systems and automotive electrical systems, high-voltage wiring harnesses are critical components for energy transmission, and their quality and performance are paramount. Traditional wiring harness testing methods typically involve multiple independent testing steps, including airtightness testing and electrical performance testing, such as withstand voltage testing and resistance testing. These testing steps often need to be performed separately, which is not only time-consuming but may also increase the risk of human error.

[0003] Air tightness testing is typically performed by filling the air chamber of the wiring harness connector with gas at a certain pressure and monitoring the pressure changes within the chamber. If the pressure in the chamber remains stable over a period of time, it indicates that the connector has good sealing performance; conversely, if the pressure drops, it indicates that the connector has a sealing problem.

[0004] Electrical performance testing, particularly withstand voltage testing and resistance testing, is used to evaluate the electrical characteristics of the wiring harness. Withstand voltage testing is used to check the insulation performance of the wiring harness at a specific voltage, while resistance testing is used to measure the resistance value of the wiring harness to ensure it meets design requirements.

[0005] However, in traditional testing procedures, airtightness testing and electrical performance testing are often performed separately. This not only prolongs the testing time but may also increase the risk of damage due to repeated plugging and unplugging of the wiring harness connectors. Furthermore, the lack of a direct link between the two testing steps can lead to inconsistencies in test results or the omission of certain potential problems.

[0006] Therefore, to improve the efficiency and accuracy of high-voltage wire harness testing, it is necessary to develop a testing device capable of simultaneously performing airtightness testing and electrical performance testing. This device needs to be able to automatically perform air pressure filling and monitoring, as well as testing of electrical parameters such as withstand voltage and resistance, after the wire harness plug is connected to the testing plug, thereby achieving a comprehensive evaluation of the airtightness of the wire harness plug and the withstand voltage and resistance performance of the wire harness itself. Utility Model Content

[0007] In view of the above problems, this utility model is proposed to provide a high-voltage wire harness testing device and system that overcomes or at least partially solves the above problems, and can solve the problem of low efficiency and limited testing items of existing testing devices, thereby improving the efficiency of wire harness testing.

[0008] Specifically, this utility model provides a high-voltage wiring harness detection device, which includes:

[0009] A testing base is provided with a testing plug for mating with a plug of a wire harness; the testing plug has multiple probe holes and a testing air hole; a pressure chamber is defined within the testing base; the pressure chamber communicates with the probe holes and the testing air hole.

[0010] A withstand voltage resistance detection component is disposed inside the pneumatic chamber and is used to connect to the wire harness;

[0011] A pneumatic pump, wherein the pneumatic pump is connected to the pneumatic chamber;

[0012] An airtightness detection mechanism is used to obtain the pressure change within the air pressure chamber.

[0013] Optionally, the withstand voltage resistance detection assembly includes multiple probe detection rings and multiple spring clips;

[0014] Each of the probe detection rings is installed in one of the probe air holes; the spring clips are installed in the air pressure chamber, and the spring clips are initially in a closed state. Each spring clip is used to hold a probe into which the wire harness extends into the air pressure chamber.

[0015] Optionally, the pneumatic chamber is provided with multiple sliding grooves; each spring clip is slidably disposed in one sliding groove.

[0016] Optionally, the detection seat is provided with a detachable sealing cover, which is used to control the opening and closing of the air pressure chamber.

[0017] This utility model provides a high-voltage wiring harness detection system, which includes:

[0018] Any of the above-mentioned high-voltage harness testing devices.

[0019] Optionally, the high-voltage harness detection system also includes:

[0020] The module consists of a display module, an early warning module, and a control module.

[0021] This utility model discloses a high-voltage wire harness testing device. It includes a testing base, a withstand voltage resistance testing component, a pneumatic pump, and an airtightness testing mechanism. When the wire harness plug is connected to the testing plug and high pressure is injected into the pneumatic chamber by the pneumatic pump, the airtightness testing mechanism detects the pressure change within the chamber. Simultaneously, the pneumatic pump stops pressurizing the chamber. When the pressure in the chamber remains constant, it indicates that the wire harness plug has good sealing performance; conversely, when the pressure decreases, it indicates poor sealing performance. The withstand voltage resistance testing component detects the wire harness's withstand voltage and resistance, thus determining whether the wire harness is qualified. Because the withstand voltage resistance testing component is located within the pneumatic chamber, the airtightness testing mechanism and the withstand voltage resistance testing component can simultaneously obtain the airtightness of the wire harness plug and the withstand voltage and resistance of the wire harness, thereby improving the testing efficiency.

[0022] The above and other objects, advantages and features of this utility model will become more apparent to those skilled in the art from the following detailed description of specific embodiments of this utility model in conjunction with the accompanying drawings. Attached Figure Description

[0023] The following sections will describe some specific embodiments of the present invention in a detailed manner by way of example and not limitation, with reference to the accompanying drawings. The same reference numerals in the drawings denote the same or similar parts or components. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings:

[0024] Figure 1 This is a schematic structural diagram of a high-voltage harness detection device according to an embodiment of the present invention;

[0025] Figure 2 This is a schematic partial structural diagram of a high-voltage harness detection device according to an embodiment of the present invention;

[0026] Figure 3 This is a schematic exploded view of a high-voltage wiring harness detection device according to an embodiment of the present invention;

[0027] Figure 4 This is a schematic structural diagram of a high-voltage wiring harness detection system according to an embodiment of the present invention.

[0028] In the diagram: 200, test base; 210, test plug; 221, test air port; 222, probe hole; 230, slide groove; 240, air pressure chamber; 320, spring clip; 330, withstand pressure test module; 340, resistance test module; 400, airtightness test mechanism; 400, display module; 500, early warning module; 600, control module; 700, certificate printer; 800, test table; 900, computer host. Detailed Implementation

[0029] The following reference Figures 1 to 4 This invention describes a high-voltage wiring harness detection device according to an embodiment of the present invention. In this description, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature, that is, include one or more of that feature. In the description of the present invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. When a feature "includes or contains" one or more of the features it encompasses, unless otherwise specifically described, this indicates that other features are not excluded and may be further included.

[0030] Unless otherwise expressly specified and limited, the terms "set," "install," "connect," "link," "fix," and "couple" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art should be able to understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] Furthermore, in the description of this embodiment, "above" or "below" the second feature can include direct contact between the first and second features, or it can include contact between the first and second features through another feature between them. That is, in the description of this embodiment, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," or "below" of the second feature can mean the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0032] In the description of this embodiment, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0033] Figure 1This is a schematic structural diagram of a high-voltage wiring harness testing device, such as... Figure 1 As shown, and with reference Figures 2 to 4 This utility model provides a high-voltage wire harness testing device, which includes a testing base 200, a withstand voltage resistance testing component, an air pressure pump, and an airtightness testing mechanism 400. The testing base 200 is provided with a testing plug 210 for mating with a wire harness connector. The testing plug has multiple probe holes 222 and a testing air hole 221. An air pressure chamber 240 is defined within the testing base 200. The air pressure chamber 240 communicates with the probe holes 222 and the testing air hole 221. The withstand voltage resistance testing component is disposed within the air pressure chamber 240 for connection to the wire harness. The air pressure pump is communicated with the air pressure chamber 240. The airtightness testing mechanism 400 is used to acquire pressure changes within the air pressure chamber 240.

[0034] Specifically, the wire harness plug and the detection plug 210 are sealed together so that when the wire harness plug is inserted into the detection plug 210, the detection vent 221 is connected to the wire harness plug. Furthermore, the detection vent 221 connects the wire harness plug and the pressure chamber 240. A pressure pump introduces high-pressure gas into the pressure chamber 240, and the high-pressure gas enters the detection plug 210 and the wire harness plug through the detection vent 221. Therefore, the airtightness of the wire harness plug can be obtained based on the pressure change within the pressure chamber 240.

[0035] Furthermore, when the wire harness plug is connected to the test plug 210 and high pressure is injected into the pressure chamber 240 by the pneumatic pump, the airtightness detection mechanism 400 detects the change in air pressure within the pressure chamber 240. Simultaneously, the pneumatic pump stops pressurizing the pressure chamber 240. When the pressure in the pressure chamber 240 remains constant, it indicates that the wire harness plug has good sealing performance; conversely, when the pressure in the pressure chamber 240 decreases, it indicates that the wire harness plug has poor sealing performance. Furthermore, the withstand voltage resistance detection component is used to detect wire harness information such as withstand voltage and resistance, thereby determining whether the wire harness is qualified. Since the withstand voltage resistance detection component is located within the pressure chamber 240, the airtightness detection mechanism 400 and the withstand voltage resistance detection component can simultaneously obtain the airtightness of the wire harness plug and the withstand voltage and resistance of the wire harness, thereby improving the efficiency of wire harness testing.

[0036] During operation, when it is necessary to test the airtightness of the wire harness plug and the withstand voltage and resistance of the wire harness, insert the wire harness plug into the test plug 210, and pass each extension wire end of the wire harness through the probe hole 222 and insert it into the air pressure chamber 240. The withstand voltage and resistance testing component is connected to the wire ends of the wire harness.

[0037] A pneumatic pump introduces high-pressure gas into the pneumatic chamber 240. The high-pressure gas enters the detection plug 210 and the plug of the wire harness through the detection air port 221. The pneumatic pump stops when the pressure in the pneumatic chamber 240 reaches the preset pressure value. The airtightness detection mechanism 400 and the withstand voltage resistance detection component detect the pressure change in the pneumatic chamber 240 and the wire harness information such as withstand voltage and resistance.

[0038] In some embodiments of this utility model, such as Figures 1 to 3 As shown, the withstand voltage resistance testing assembly includes multiple probe detection rings and multiple spring clips 320. Each probe detection ring is installed in a probe vent, and the spring clips 320 are installed in the pressure chamber. The spring clips 320 are initially in a closed state, and each spring clip 320 is used to hold a probe that extends into the pressure chamber 240 of the wire harness.

[0039] Specifically, a probe detection ring is embedded within the probe hole 222, and the probe detection ring can detect the withstand voltage of the wire end of each wire harness located within the probe hole 222. Each spring clip 320 is used to hold the wire end of one wire harness, for fixing the wire end of the wire harness within the pneumatic chamber 240. Furthermore, the spring clip 320 is externally connected to a data detector for acquiring the withstand voltage and resistance.

[0040] In this embodiment, as Figure 4 As shown, the withstand voltage resistance detection assembly also includes a withstand voltage detection module 330 and a resistance detection module 340 connected to the probe detection ring and spring clip 320.

[0041] In this embodiment, as Figure 3 As shown, the spring clip 320 includes a torsion spring, a first rod, and a second rod. The first rod and the second rod are fixedly connected end to end, and the first rod and the second rod form a 120° angle. The end of the first rod and the second rod connected together is rotatably mounted on the pneumatic chamber 240. One end of the torsion spring is connected to the second rod, and the other end is connected to the pneumatic chamber 240. The torsion spring is used to ensure that the first rod contacts the bottom of the pneumatic chamber 240 in the initial state.

[0042] In some embodiments of this utility model, such as Figure 3 As shown, the air pressure chamber 240 is provided with multiple sliding grooves 230, and each spring clip 320 is slidably disposed in one sliding groove 230. The sliding grooves 230 extend along the length of the wire harness. Since the lengths of the multiple wire ends of the wire harness are not consistent, the spring clips 320 are slidably disposed in the sliding grooves 230, which allows the spring clips 320 to adapt to the wire ends of different wire harnesses, thereby enabling the testing of different types of wire harnesses.

[0043] In some embodiments of this utility model, the detection seat 200 is provided with a detachable sealing cover, which is used to control the opening and closing of the air pressure chamber 240. Specifically, the sealing cover is detachable to facilitate operation of the spring clip 320.

[0044] This utility model embodiment provides a high-voltage wiring harness detection system, such as... Figure 4 As shown, the high-voltage wire harness detection system includes any one of the high-voltage wire harness detection devices and a detection platform 800 as described in the above embodiments. Specifically, the high-voltage wire harness detection devices are mounted on the detection platform 800. Specifically, the arrangement of multiple high-voltage wire harness detection devices enables the simultaneous detection of multiple wire harnesses, thereby improving the detection efficiency of the wire harnesses.

[0045] In some embodiments of this utility model, such as Figure 4 As shown, the high-voltage wiring harness testing system also includes a display module 400, an early warning module 500, a control module 600, a certificate printer 700, and a computer host 900, all mounted on the testing platform 800. Specifically, the display module 400 is electrically connected to the withstand voltage resistance testing component and the airtightness testing mechanism 400 to display relevant data. Furthermore, the early warning module 500 is used to issue a warning when abnormalities are found in the relevant testing data. Further, the control module 600 includes a power switch, a start indicator light, and a stop indicator light.

[0046] Therefore, those skilled in the art should recognize that although many exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications conforming to the principles of the present invention can be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all such other variations or modifications.

Claims

1. A high-voltage wiring harness detection device, characterized in that, include: A test socket, wherein the test socket is provided with a test plug for mating with the plug of the wire harness; The detection plug is provided with multiple probe holes and one detection air hole; the detection seat is defined with a pressure chamber; the pressure chamber is in communication with the probe holes and the detection air hole; A withstand voltage resistance detection component is disposed inside the pneumatic chamber and is used to connect to the wire harness; A pneumatic pump, wherein the pneumatic pump is connected to the pneumatic chamber; An airtightness detection mechanism is used to obtain the pressure change within the air pressure chamber.

2. The high-voltage harness detection device according to claim 1, characterized in that, The withstand voltage resistance detection assembly includes multiple probe detection rings and multiple spring clips; Each of the probe detection rings is installed in one of the probe air holes; the spring clips are installed in the air pressure chamber, and the spring clips are initially in a closed state. Each spring clip is used to hold the wire harness into a probe that extends into the air pressure chamber.

3. The high-voltage wiring harness detection device according to claim 2, characterized in that, The air pressure chamber is provided with multiple sliding grooves; each spring clip is slidably disposed in one sliding groove.

4. The high-voltage wiring harness detection device according to claim 1, characterized in that, The detection seat is equipped with a detachable sealing cover, which is used to control the opening and closing of the air pressure chamber.

5. A high-voltage wiring harness detection system, characterized in that, include: A high-voltage wiring harness testing device according to any one of claims 1-4.

6. The high-voltage wiring harness detection system according to claim 5, characterized in that, Also includes: The module consists of a display module, an early warning module, and a control module.

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