Alternating current simulator with protection function

Abstract

The utility model relates to the technical field of alternating current simulators, and discloses an alternating current simulator with a protection function, which comprises an alternating current simulator body, the side wall of the alternating current simulator body is fixedly connected with a socket, and the side wall of the alternating current simulator body is fixedly connected with a mounting frame. And a winding assembly is arranged on the side wall of the mounting frame. According to the alternating current simulator with the protection function, the motor drives the winding roller to rotate anticlockwise to wind the cable, and when the cable is pulled, the winding roller is driven to rotate clockwise without being influenced, so that a tester can normally use the cable, and the cable can be neatly taken back after being used and is prevented from being scattered on the ground; therefore, the disorder in the experimental environment is reduced, the overall working efficiency and the environmental safety are improved, the cable can be smoothly unfolded only by pulling the cable during use, additional operation is not needed, and the working steps of testers are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of AC simulator, concretely is an AC simulator with protection function. BACKGROUND

[0002] The AC simulator is a device that can output simulated AC voltage and current, and is widely used in the testing of power electronic devices, charging piles, inverters and other electrical equipment. It can simulate real grid environment, including voltage amplitude, frequency change and power fluctuation, etc. It provides important support in the process of research and testing.

[0003] In the application of electric vehicle charging pile, the role of AC simulator is particularly important. The charging pile needs to be connected with the power grid, and the AC power is used to power the on-board charger of the electric vehicle, and finally the energy is converted into DC power and stored in the battery. The AC simulator helps researchers and testers verify the performance and stability of the charging pile device under different working conditions by accurately controlling the output conditions.

[0004] However, the above-mentioned AC simulator in the actual use process, the cable is usually connected to the electric vehicle, after the test, if the cable is scattered on the ground, it may trip the experimenter, causing safety hazards; In view of this, we propose an AC simulator with protection function. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an AC simulator with protection function to solve the problems raised in the above background.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: an AC simulator with protection function, comprising an AC simulator body, a socket is fixedly connected to the side wall of the AC simulator body, an installation frame is fixedly connected to the side wall of the AC simulator body, a winding assembly is arranged on the side wall of the installation frame, the winding assembly comprises:

[0007] Winding roller, the winding roller is sleeved in the inside of the installation frame, the outer wall of the winding roller is provided with a notch, the inner wall of the winding roller is fixedly connected with a trapezoidal block one;

[0008] Motor, the motor is fixedly connected to the outer wall of the installation frame, the output end of the motor is fixedly connected with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a turntable, the side wall of the turntable is fixedly connected with a trapezoidal block two, the side wall of the turntable is hinged with a limit plate.

[0009] Preferably, the side wall of the installation frame is sleeved with a bidirectional screw rod, the side wall of the bidirectional screw rod is drivingly connected with a belt, the side wall of the bidirectional screw rod is threadedly connected with a movable block, and the end face of the movable block is provided with a circular opening.

[0010] Preferably, the side wall of the mounting frame is fixedly connected with a cross rod, the cross rod is sleeved with the movable block, and the cross rod enables the movable block to only move transversely.

[0011] Preferably, the belt is arranged in the interior of the mounting frame, the belt is in transmission connection with the guide pipe of the electric telescopic rod, the motor drives the electric telescopic rod to rotate, and the electric telescopic rod drives the bidirectional screw rod to rotate through the transmission of the belt.

[0012] Preferably, the trapezoidal block one and the trapezoidal block two are right-angle trapezoids, the right-angle side of the trapezoidal block one is movably connected with the limiting plate, and the right-angle side of the trapezoidal block two is movably connected with the limiting plate.

[0013] Preferably, the side wall of the limiting plate is fixedly connected with an elastic member, one end of the elastic member, away from the limiting plate, is fixedly connected with the oblique side of the trapezoidal block two, and the elastic member pushes the limiting plate to abut against the right-angle side of the trapezoidal block two.

[0014] Compared with the prior art, the utility model provides an alternating current simulator with a protection function, has the following beneficial effects:

[0015] 1、 this alternating current simulator with a protection function, through setting up the winding roller, trapezoidal block one, electric telescopic rod and limiting plate, the motor drives the winding roller to rotate counterclockwise and winds the cable, when pulling the cable, the clockwise rotation of the winding roller is not affected, so that the test personnel can normally use the cable, the cable can be neatly collected after use, avoid scattering on the ground, thereby reducing the disorder in the experimental environment, improving the overall work efficiency and environmental safety, when using, just pull the cable to smoothly expand, no additional operation is needed, reduce the work steps of the test personnel, after the electric telescopic rod pushes the turntable, the test personnel can adjust the clockwise or counterclockwise rotation of the winding roller at will, thereby flexibly winding or releasing the cable, satisfy the diversified use demand.

[0016] 2、 this alternating current simulator with a protection function, through setting up the bidirectional screw rod and movable block, the transverse reciprocating motion of the movable block enables the cable to be evenly wound on the outer wall of the winding roller, avoids the overlapping, winding or knotting of the cable, ensures the smooth winding of the cable, and the arranged cable after winding is neat and beautiful. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the main body structure schematic view of the utility model;

[0018] Figure 2 It is the winding roller section structure schematic view of the utility model;

[0019] Figure 3 It is the transmission belt structure schematic view of the utility model;

[0020] Figure 4 The utility model discloses a rotating disc structure schematic view;

[0021] Figure 5 The utility model discloses a rotating disc structure schematic view; Figure 4 The utility model discloses a rotating disc structure schematic view;

[0022] In the figure: 1, AC simulator body, 2, socket, 3, mounting bracket, 4, winding assembly, 401, winding roller, 402, notched, 403, trapezoidal block one, 404, motor, 405, electric telescopic rod, 406, rotating disc, 407, trapezoidal block two, 408, limiting plate, 409, elastic piece, 5, two-way screw rod, 6, belt, 7, movable block, 8, circular mouth, 9, cross bar. DETAILED DESCRIPTION

[0023] As Figures 1-5 The utility model provides a kind of protective function's AC simulator, including AC simulator body 1, the side wall of AC simulator body 1 is fixedly connected with socket 2, the side wall of AC simulator body 1 is fixedly connected with mounting bracket 3, the side wall of mounting bracket 3 is provided with winding assembly 4, winding assembly 4 includes winding roller 401, notched 402, trapezoidal block one 403, motor 404, electric telescopic rod 405, rotating disc 406, trapezoidal block two 407, limiting plate 408, elastic piece 409.

[0024] In an embodiment of the utility model, winding roller 401 is sleeved in the inside of mounting bracket 3, the outer wall of winding roller 401 is opened with notched 402, the inner wall of winding roller 401 is fixedly connected with trapezoidal block one 403, trapezoidal block one 403 is right trapezoid.

[0025] Motor 404 is fixedly connected on the outer wall of mounting bracket 3, the output of motor 404 is fixedly connected with electric telescopic rod 405, the output of electric telescopic rod 405 is fixedly connected with rotating disc 406, the side wall of rotating disc 406 is fixedly connected with trapezoidal block two 407, the side wall of rotating disc 406 is hinged with limiting plate 408, trapezoidal block two 407 is right trapezoid, the right angle side of trapezoidal block one 403 is movably connected with limiting plate 408, the right angle side of trapezoidal block two 407 is movably connected with limiting plate 408, the side wall of limiting plate 408 is fixedly connected with elastic piece 409, the end of elastic piece 409 away from limiting plate 408 is fixedly connected with the inclined side of trapezoidal block two 407, elastic piece 409 pushes limiting plate 408 and the right angle side of trapezoidal block two 407 and abuts.

[0026] One end of the cable is threaded through the slot 402, and the plug is inserted into the socket 2 from the side of the mounting frame 3, and the motor 404 drives the electric telescopic rod 405 and the rotating disc 406 to rotate counterclockwise, the elastic member 409 pushes the limiting plate 408 to abut against the right angle side of the trapezoidal block two 407, and when the rotating disc 406 rotates counterclockwise, the limiting plate 408 abuts against the trapezoidal block one 403, further pushing the winding roller 401 to rotate counterclockwise to wind the cable, when the cable needs to be used, the cable is pulled to drive the winding roller 401 to rotate clockwise, at this time, the inclined surface of the trapezoidal block one 403 is in contact with the limiting plate 408, the limiting plate 408 is pushed to move towards the inclined surface of the trapezoidal block two 407, and the limiting plate 408 cannot continue to prevent the rotation of the winding roller 401, so that the test personnel can normally use the cable, and the cable can be neatly wound after use, avoiding scattering on the ground, thereby reducing the clutter in the experimental environment, improving the overall work efficiency and environmental safety, and the cable can be smoothly unfolded by pulling the cable during use, without the need for additional operation, reducing the working steps of the test personnel.

[0027] The electric telescopic rod 405 pushes the rotating disc 406 to move away from the motor 404, so that the limiting plate 408 cannot contact the trapezoidal block one 403, at this time, the winding roller 401 can be arbitrarily rotated clockwise or counterclockwise, and the test personnel can arbitrarily adjust the clockwise or counterclockwise rotation of the winding roller 401, so that the cable can be flexibly wound or released, meeting diversified use requirements.

[0028] In addition, the sidewall of the mounting frame 3 is sleeved with a bidirectional screw rod 5, the sidewall of the bidirectional screw rod 5 is transmissionally connected with a belt 6, the belt 6 is arranged in the interior of the mounting frame 3, the belt 6 is transmissionally connected with the guide pipe of the electric telescopic rod 405, the motor 404 drives the electric telescopic rod 405 to rotate, drives the bidirectional screw rod 5 to rotate through the transmission of the belt 6, the sidewall of the bidirectional screw rod 5 is threadedly connected with a movable block 7, a circular through opening 8 is formed in the end surface of the movable block 7, the sidewall of the mounting frame 3 is fixedly connected with a cross rod 9, the cross rod 9 is sleeved with the movable block 7, and the cross rod 9 enables the movable block 7 to only move horizontally and reciprocally, the cable is threaded through the circular through opening 8, and the horizontal reciprocating movement of the movable block 7 enables the cable to be uniformly wound on the outer wall of the winding roller 401, so that the cable is prevented from overlapping, winding or knotting, and the smooth winding of the cable is ensured, and meanwhile, the wound cable is arranged neatly and beautifully, which is helpful to improve the professionalism of the whole device.

[0029] In the utility model, one end of the cable is threaded through the slot 402, and the plug is inserted into the socket 2 from the side of the mounting frame 3, and the motor 404 drives the electric telescopic rod 405 and the rotating disc 406 to rotate counterclockwise, so that the winding roller 401 rotates counterclockwise to wind the cable, when the cable needs to be used, the cable is pulled to drive the winding roller 401 to rotate clockwise, and the limiting plate 408 cannot continue to prevent the rotation of the winding roller 401, so that the test personnel can normally use the cable.

[0030] The utility model has made the detailed description to the utility model generally, but can make some modification or improvement to it on the basis of the utility model, which is obvious to the general skilled person in the technical field. Therefore, the modification or improvement without departing from the utility model thought spirit, all are within the protection scope of the utility model.

Claims

1. An alternating current simulator with a protection function, comprising an alternating current simulator body (1), a socket (2) is fixedly connected to the side wall of the alternating current simulator body (1), characterized in that: The side wall of the alternating current simulator body (1) is fixedly connected with a mounting rack (3), the side wall of the mounting rack (3) is provided with a winding assembly (4), and the winding assembly (4) comprises: A winding roller (401) is sleeved in the mounting rack (3), the outer wall of the winding roller (401) is provided with a notch (402), and the inner wall of the winding roller (401) is fixedly connected with a trapezoidal block one (403); A motor (404) is fixedly connected to the outer wall of the mounting rack (3), the output end of the motor (404) is fixedly connected with an electric telescopic rod (405), the output end of the electric telescopic rod (405) is fixedly connected with a rotating disc (406), the side wall of the rotating disc (406) is fixedly connected with a trapezoidal block two (407), and the side wall of the rotating disc (406) is hingedly connected with a limiting plate (408).

2. The AC simulator with protection function according to claim 1, characterized in that: The side wall of the mounting rack (3) is sleeved with a bidirectional screw rod (5), the side wall of the bidirectional screw rod (5) is drivingly connected with a belt (6), the side wall of the bidirectional screw rod (5) is threadedly connected with a movable block (7), and the end face of the movable block (7) is provided with a circular opening (8).

3. The AC simulator with protection function according to claim 2, characterized in that: The side wall of the mounting rack (3) is fixedly connected with a cross rod (9), and the cross rod (9) is sleeved with the movable block (7).

4. The AC simulator with protection function according to claim 2, characterized in that: The belt (6) is arranged in the mounting rack (3), and the belt (6) is drivingly connected with the guide pipe of the electric telescopic rod (405).

5. The AC simulator with protection function according to claim 1, characterized in that: The trapezoidal block one (403) and the trapezoidal block two (407) are right trapezoids, the right angle side of the trapezoidal block one (403) is movably connected with the limiting plate (408), and the right angle side of the trapezoidal block two (407) is movably connected with the limiting plate (408).

6. The AC simulator with protection function according to claim 1, characterized in that: The side wall of the limiting plate (408) is fixedly connected with an elastic member (409), and one end of the elastic member (409) away from the limiting plate (408) is fixedly connected with the inclined side of the trapezoidal block two (407).

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