Test tool for new energy high-voltage wiring harness

Abstract

The utility model relates to a test tool for a new energy high-voltage wiring harness, which belongs to the technical field of new energy high-voltage wiring harness testing and comprises a voltage-withstanding test tool, an electrical cabinet and a data recording machine are arranged on the voltage-withstanding test tool, and a connecting structure and an adjusting structure are arranged on the test tool. According to the test tool for the new energy high-voltage wiring harness, the self-recovery fuse is installed on the wiring harness connector, so that the fuse is disconnected after a rated current is exceeded and is automatically recovered after several seconds, the cost and labor for unpacking and replacing the wiring harness or a BMS are saved, and when the new energy high-voltage wiring harness is connected, the test efficiency is improved. When the wire harness fixing device is used, the two ends of the wire harness are inserted into the two wire harness plug connectors respectively, then the two electric push rods are started, and therefore the extrusion piece is controlled to slide towards the back face and extrude the I-shaped positioning piece downwards, one end of the wire harness is fixed into the wire harness plug connectors through the insulating pressing plate in the I-shaped positioning piece, and the purpose of automatically fixing the wire harness is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy high pressure wire harness test technical field, concretely is a kind of new energy high pressure wire harness's test tool. BACKGROUND

[0002] New energy high pressure wire harness test includes insulation resistance test, withstand voltage test, conductivity test, tensile strength test, bending fatigue test, plug-in force test, high temperature test, low temperature test and damp heat test etc., and withstand voltage test is tested by withstand voltage tester or withstand voltage test tool, can output alternating current or direct current high voltage, it has voltage regulating function, can accurately set test voltage, when breakdown and other abnormal conditions appear in testing process, can timely send alarm, set test voltage and duration using withstand voltage tester, open test, in testing process, closely observe whether there is breakdown discharge phenomenon, if there is abnormal condition, immediately stop testing and record relevant information.

[0003] At present, in prior art, when the performance of new energy high pressure wire harness is detected using withstand voltage test tool, the two ends of new energy high pressure wire harness need to be connected to withstand voltage test tool respectively, then fixed screw is manually tightened to fix the two ends of new energy high pressure wire harness, the operation of the process needs to be completed manually, and the labor intensity of workers is large, and the instantaneous current in test or work process is large, which leads to wire harness or BMS burning, and the cost and labor of opening package and replacing wire harness or BMS are increased, so a kind of new energy high pressure wire harness's test tool is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides a kind of new energy high pressure wire harness's test tool, with the advantages of being convenient for the connection of new energy high pressure wire harness and avoiding burning wire harness or BMS, solve the problem that when the performance of new energy high pressure wire harness is detected using withstand voltage test tool, the two ends of new energy high pressure wire harness need to be connected to withstand voltage test tool respectively, then fixed screw is manually tightened to fix the two ends of new energy high pressure wire harness, the operation of the process needs to be completed manually, and the labor intensity of workers is large, and the instantaneous current in test or work process is large, which leads to wire harness or BMS burning, and the cost and labor of opening package and replacing wire harness or BMS are increased.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of new energy high pressure wire harness's test tool, including withstand voltage test tool, electrical cabinet and data recording machine platform are provided on the withstand voltage test tool, connection structure and adjusting structure are provided on the withstand voltage test tool;

[0006] The connecting structure comprises a self-restoring fuse mounted on the pressure test tool, one side of the self-restoring fuse is fixedly provided with a wire harness connector, the top of the wire harness connector is fixedly provided with a mounting box, the inside of the mounting box is slidably provided with a I-shaped positioning piece penetrating into the inside of the wire harness connector, the top of the mounting box is slidably provided with an extrusion piece penetrating into the inside thereof, and the top of the mounting box is fixedly provided with an electric push rod for controlling the forward and backward movement of the extrusion piece.

[0007] Further, the adjusting structure comprises a limiting frame fixedly mounted on the top of the pressure test tool, two connecting plates are slidably arranged in the inside of the limiting frame, the self-restoring fuse and the wire harness connector are fixedly arranged on the top of the connecting plates, and the inside of the limiting frame is provided with anti-disengagement components for preventing the two connecting plates from sliding off.

[0008] Further, the electrical cabinet is mounted on the pressure test tool, and the data recorder is fixedly mounted on the top of the pressure test tool.

[0009] Further, the I-shaped positioning piece comprises a baffle slidably arranged in the inside of the mounting box, the bottom of the baffle is fixedly provided with a connecting rod penetrating into the inside of the wire harness connector, the bottom of the connecting rod is fixedly provided with an insulation pressing plate for pressing the wire harness, and the outer surface of the connecting rod is sleeved with an expansion spring arranged in the inside of the mounting box.

[0010] Further, the extrusion piece comprises a mounting plate and two trapezoidal plates, the mounting plate is fixedly arranged between the opposite sides of the two trapezoidal plates, the top of the mounting box is provided with two through grooves, the two trapezoidal plates are slidably connected with the inner walls of the two through grooves respectively, and the telescopic end of the electric push rod is fixedly connected with the back surface of the mounting plate.

[0011] Further, the number of the connecting structures is two, and the two connecting structures are arranged on the top of the two connecting plates respectively.

[0012] Further, the anti-disengagement components comprise two limiting strips fixedly arranged on the front and rear sidewalls of the inside of the limiting frame, the front and back surfaces of the two connecting plates are provided with limiting grooves, and the inner walls of the limiting grooves are slidably connected with the outer surfaces of the limiting strips.

[0013] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0014] The new energy high-voltage wire harness test tool, through the connection structure and the adjusting structure, realizes that a self-recovery fuse is installed on the wire harness connector, so that the fuse is disconnected after exceeding the rated current, and is automatically restored after a few seconds, thereby saving the cost and labor of opening the package and replacing the wire harness or BMS, and when connecting the new energy high-voltage wire harness, only the two ends of the wire harness are inserted into the two wire harness connectors, and then the two electric push rods are started, so that the extrusion piece slides to the back and extrudes the I-shaped positioning piece downward, so that the wire harness is fixed in the wire harness connector by the insulating pressing plate in the I-shaped positioning piece, thereby realizing the purpose of automatically fixing the wire harness, and reducing the labor intensity of the workers in the new energy high-voltage wire harness voltage resistance test, and the practicality of the new energy high-voltage wire harness test tool is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the utility model;

[0016] Figure 2 It is a structure schematic view of the utility model Figure 1 It is an enlarged view of A in the utility model structure;

[0017] Figure 3 It is a sectional view of the installation box and the I-shaped positioning piece of the utility model structure.

[0018] In the figure: 1, voltage resistance test tool; 2, electrical cabinet; 3, data recording machine table; 41, self-recovery fuse; 42, wire harness connector; 43, installation box; 44, I-shaped positioning piece; 45, extrusion piece; 46, electric push rod; 47, limiting frame; 48, connecting plate; 49, anti-dropping part. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figures 1 to 3 A new energy high-voltage wire harness test tool in the embodiment comprises a voltage resistance test tool 1, an electrical cabinet 2 and a data recording machine table 3 are arranged on the voltage resistance test tool 1, a connection structure and an adjusting structure are arranged on the voltage resistance test tool 1, the electrical cabinet 2 is installed on the voltage resistance test tool 1, and the data recording machine table 3 is fixedly installed on the top of the voltage resistance test tool 1.

[0021] In the embodiment, the connecting structure comprises a self-resetting fuse 41 mounted on the withstand voltage test tool 1, a wire harness connector 42 fixedly mounted on one side of the self-resetting fuse 41, an installation box 43 fixedly mounted on the top of the wire harness connector 42, a I-shaped positioning piece 44 slidably mounted in the installation box 43 and penetrating into the wire harness connector 42, an extrusion piece 45 slidably mounted in the installation box 43 and penetrating into the installation box 43, an electric push rod 46 fixedly mounted on the top of the installation box 43 and used for controlling the forward and backward movement of the extrusion piece 45, the extrusion piece 45 comprising a mounting plate and two trapezoidal plates, the mounting plate being fixedly mounted between the opposite sides of the two trapezoidal plates, two through grooves being formed in the top of the installation box 43, the two trapezoidal plates being slidably connected with the inner walls of the two through grooves respectively, and the extension end of the electric push rod 46 being fixedly connected with the back surface of the mounting plate, so as to extrude the I-shaped positioning piece 44 by the inclined surfaces of the two trapezoidal plates, thereby limiting the position of the I-shaped positioning piece 44.

[0022] The I-shaped positioning piece 44 comprises a baffle slidably mounted in the installation box 43, a connecting rod fixedly mounted on the bottom of the baffle and penetrating into the installation box 43 and extending into the wire harness connector 42, an insulation pressing plate fixedly mounted on the bottom of the connecting rod and used for pressing the wire harness, and a telescopic spring sleeved on the outer surface of the connecting rod and located in the installation box 43, so as to press the wire harness by the insulation pressing plate, thereby fixing one end of the wire harness in the wire harness connector 42, and after the test is completed, the limitation on the I-shaped positioning piece 44 is released, and under the action of the telescopic spring, the insulation pressing plate moves upward, thereby releasing the fixation on one end of the wire harness.

[0023] It should be noted that the self-resetting fuse 41 and the withstand voltage test tool 1 are connected in series by wires, so as to protect the test circuit by the self-resetting fuse 41.

[0024] By adopting the above technical scheme, the two ends of the new energy high-voltage wire harness are inserted into the two wire harness connectors 42 respectively, the electric push rod 46 on the top of the installation box 43 is started, the electric push rod 46 is retracted and drives the extrusion piece 45 to move backward, the two trapezoidal plates in the extrusion piece 45 extrude the I-shaped positioning piece 44 downward, the baffle in the I-shaped positioning piece 44 compresses the telescopic spring, and the insulation pressing plate in the I-shaped positioning piece 44 presses one end of the wire harness and is fixed in the wire harness connector 42, thereby connecting the wire harness connector 42, the self-resetting fuse 41, the withstand voltage test tool 1 and the new energy high-voltage wire harness.

[0025] In the embodiment, the adjusting structure comprises a limiting frame 47 fixedly installed on the top of the withstand voltage test tool 1, two connecting plates 48 are slidingly installed in the limiting frame 47, the self-restoring fuse 41 and the wire harness connector 42 are fixedly installed on the top of the connecting plates 48, the limiting frame 47 is internally provided with anti-disengagement components 49 for preventing the two connecting plates 48 from sliding off, the anti-disengagement components 49 comprise two limiting strips fixedly installed on the front and rear sidewalls of the inner cavity of the limiting frame 47, the front and back surfaces of the two connecting plates 48 are provided with limiting grooves, and the inner walls of the limiting grooves are slidingly connected with the outer surfaces of the limiting strips to prevent the two connecting plates 48 from moving leftward and rightward and disengaging from the limiting frame 47.

[0026] The two connecting structures are respectively installed on the top of the two connecting plates 48, so as to facilitate the connection of the two ends of the wire harness and the unfolding of the longer wire harness, and avoid the accumulation of the wire harness on the withstand voltage test tool 1.

[0027] The above technical scheme realizes the adjustment of the distance between the two connecting plates 48, thereby controlling the movement of the two wire harness connectors 42 to the opposite sides, and further unfolding the longer wire harness, so as to avoid the accumulation of the wire harness on the withstand voltage test tool 1.

[0028] The working principle of the above embodiment is as follows:

[0029] In use, the two ends of the new energy high-voltage wire harness are inserted into the two wire harness connectors 42, the electric push rod 46 on the top of the installation box 43 is started, the electric push rod 46 is retracted and drives the extrusion piece 45 to move backward, the two trapezoidal plate inclined surfaces in the extrusion piece 45 extrude the I-shaped positioning piece 44 downward, and the baffle in the I-shaped positioning piece 44 compresses the extension spring, until the insulating plate in the I-shaped positioning piece 44 is pressed tightly in the wire harness connector 42, thereby connecting the wire harness connector 42, the self-restoring fuse 41, the withstand voltage test tool 1 and the new energy high-voltage wire harness, until the two ends of the wire harness are connected, the distance between the two connecting plates 48 is adjusted to avoid the accumulation of the wire harness on the withstand voltage test tool 1, and then the withstand voltage test of the new energy high-voltage wire harness can be performed.

[0030] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0031] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A testing fixture for high-voltage wiring harnesses in new energy sources, comprising a withstand voltage testing fixture (1), characterized in that: The withstand voltage test fixture (1) is equipped with an electrical cabinet (2) and a data recording machine (3), and the withstand voltage test fixture (1) is equipped with a connection structure and an adjustment structure; The connection structure includes a self-resetting fuse (41) installed on the withstand voltage test fixture (1). A wire harness connector (42) is fixedly installed on one side of the self-resetting fuse (41). A mounting box (43) is fixedly installed on the top of the wire harness connector (42). An I-beam positioning member (44) with one end penetrating into the wire harness connector (42) is slidably installed inside the mounting box (43). An extrusion member (45) penetrating into the top of the mounting box (43) is slidably installed. An electric push rod (46) for controlling the forward and backward movement of the extrusion member (45) is fixedly installed on the top of the mounting box (43).

2. The testing fixture for a new energy high-voltage wiring harness according to claim 1, characterized in that: The adjustment structure includes a limiting frame (47) fixedly installed on the top of the pressure resistance test fixture (1). Two connecting plates (48) are slidably installed inside the limiting frame (47). The self-resetting safety device (41) and the wire harness connector (42) are fixedly installed on the top of the connecting plates (48). The limiting frame (47) is provided with an anti-slip component (49) to prevent the two connecting plates (48) from slipping.

3. The testing fixture for a new energy high-voltage wiring harness according to claim 1, characterized in that: The electrical cabinet (2) is installed on the withstand voltage test fixture (1), and the data recording machine (3) is fixedly installed on the top of the withstand voltage test fixture (1).

4. The testing fixture for a new energy high-voltage wiring harness according to claim 1, characterized in that: The I-beam positioning component (44) includes a baffle plate, which is slidably installed inside the mounting box (43). A connecting rod is fixedly installed at the bottom of the baffle plate, with one end penetrating the mounting box (43) and extending into the wire harness connector (42). An insulating pressure plate for pressing the wire harness is fixedly installed at the bottom of the connecting rod. A telescopic spring located inside the mounting box (43) is sleeved on the outer surface of the connecting rod.

5. The testing fixture for a new energy high-voltage wiring harness according to claim 1, characterized in that: The extrusion component (45) includes a mounting plate and two trapezoidal plates. The mounting plate is fixedly installed between the opposite sides of the two trapezoidal plates. The top of the mounting box (43) has two through slots. The two trapezoidal plates are slidably connected to the inner walls of the two through slots respectively. The telescopic end of the electric push rod (46) is fixedly connected to the back of the mounting plate.

6. The testing fixture for a new energy high-voltage wiring harness according to claim 2, characterized in that: The number of the connecting structures is two, and the two connecting structures are respectively installed on the top of the two connecting plates (48).

7. The testing fixture for a new energy high-voltage wiring harness according to claim 2, characterized in that: The anti-detachment component (49) includes two limiting strips, which are fixedly installed on the front and rear side walls of the inner cavity of the limiting frame (47). The front and back sides of the two connecting plates (48) are provided with limiting grooves, and the inner wall of the limiting groove is slidably connected to the outer surface of the limiting strip.

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