Comprehensive test device for vehicle-mounted element of new energy vehicle

Abstract

The utility model discloses a comprehensive testing device for vehicle-mounted elements of a new energy vehicle, and belongs to the technical field of vehicle testing. Which comprises a cabinet body (6), a test board (5) is arranged on the surface of the cabinet body (6), and is characterized in that a test panel (2) is arranged on the rear side of the surface of the test board (5), a control circuit is arranged in the test panel (2), a test area is arranged on the front side of the test panel (2), and the test area comprises a generator test area and a starter test area which are sequentially arranged. A non-fixed test area is arranged between the generator test area and the starter test area, and a generator wiring area (27) and a starter wiring area (30) which correspond to the generator test area and the starter test area respectively are arranged on the surface of the test panel (2). According to the comprehensive test device for the vehicle-mounted component of the new energy vehicle, performance detection can be carried out on a generator and a starter at the same time through one device, the performance of other vehicle-mounted components can be tested, and the test efficiency is improved.

Description

Technical Field

[0001] The invention discloses a comprehensive testing device for on-board components of new energy vehicles, belonging to the technical field of bus testing. Background Art

[0002] With the continuous development of new energy vehicles, new energy vehicles are gradually being accepted by the market. As a public transportation tool, the safety and reliability of buses are particularly important, so the daily maintenance and performance testing of the on-board components of new energy vehicles are also particularly important.

[0003] In the prior art, the performance testing of vehicle-mounted components is more targeted at traditional fuel vehicles, such as the technical solutions disclosed in the Chinese utility model patent with application number 202121138946.6, application date May 25, 2021, and patent name "A performance testing mechanism and performance testing equipment for brake components", and the technical solutions disclosed in the Chinese invention patent with application number 201910456491.3, application date May 29, 2019, and patent name "Vehicle defrost performance test method and defrost test system".

[0004] However, new energy vehicles are different from traditional fuel vehicles, especially new energy vehicles, which are equipped with a number of unique on-board components, such as: electric power steering motor, electric air compressor, on-board PTC heater, etc. Therefore, the test scheme for fuel vehicles is difficult to be directly applied to new energy vehicles. The performance testing scheme for new energy vehicles in the prior art generally only targets a specific component, such as: Application No. 201910186935.6, application date March 13, 2019, patent name "An electric bus electric control unit The technical solution disclosed in the Chinese invention patent "A four-in-one closed-loop maintenance test bench", the application number is 202021664185.3, the application date is August 12, 2020, and the patent name is "A new energy electric vehicle on-board charging electromechanical performance detection test bench" The technical solution disclosed in the Chinese utility model patent, and the application number is 201711413062.5, the application date is December 24, 2017, and the patent name is "A new energy vehicle charging equipment test system" The technical solution disclosed in the Chinese invention patent

[0005] Therefore, designing a technical solution that can perform performance testing on a variety of on-board components of new energy vehicles has become an urgent problem to be solved in this field. Utility Model Content

[0006] The technical problem to be solved by the utility model is: to overcome the deficiencies of the prior art and to provide a comprehensive testing device for vehicle-mounted components of new energy vehicles which can simultaneously perform performance tests on a generator and a starter through one device, and can also test the performance of other vehicle-mounted components, thereby improving the testing efficiency.

[0007] The technical solution adopted by the utility model to solve its technical problems is: the comprehensive testing device of the on-board components of the new energy vehicle includes a cabinet, the surface of the cabinet is a test bench, and its characteristics are: a test panel is arranged on the rear side of the surface of the test bench, a control circuit is arranged in the test panel, the front side of the test panel is a test area, the test area includes a generator test area and a starter test area arranged in sequence, a non-fixed test area is between the generator test area and the starter test area, and a generator wiring area and a starter wiring area corresponding to the generator test area and the starter test area respectively are arranged on the surface of the test panel.

[0008] Preferably, a clamping mechanism for fixing the starter is provided in the starter test area, the clamping mechanism includes a clamping base plate for placing the starter, fixed clamps and movable clamps are arranged opposite to each other on the surface of the clamping base plate, and a clamping cylinder for driving one end of the movable clamp is fixed at one end of the clamping base plate close to the movable clamp.

[0009] Preferably, a fixing mechanism for fixing the generator is provided in the generator test area, a driving motor for driving the generator to rotate is provided in the cabinet, and a traction port penetrating the test bench is provided on the side of the fixing mechanism, and a belt for connecting the driving motor and the generator passes through the traction port.

[0010] Preferably, the fixing mechanism comprises a fixing plate for placing the generator, and a group of clamping blocks for clamping the generator are arranged at two sides of the fixing plate with adjustable spacing.

[0011] Preferably, a test cover is also provided on the upper part of the fixing mechanism, and the test cover is rotatably connected to the test bench via a hinge at its rear end.

[0012] Preferably, the front end of the fixing plate is hinged to the test bench, and a cylinder for driving the fixing plate to swing is also provided in the cabinet.

[0013] Preferably, the generator connection area and the starter connection area are respectively located on both sides of the lower part of the test panel surface, a signal output area is arranged between the generator connection area and the starter connection area, a display instrument area is horizontally arranged above the signal output area, a digital oscilloscope, a digital display DC voltage regulator and a signal generator are arranged in sequence above the display instrument area, a frequency converter and a DC voltage regulator are respectively arranged on the left and right sides of the upper part of the test panel, and an AC circuit breaker is arranged below the frequency converter controller.

[0014] Preferably, a 220V AC output terminal and a 220V AC output switch; a 380V AC output terminal and a 380V AC output switch; a high-voltage DC output switch and a high-voltage DC output terminal are provided in the signal output area;

[0015] There are also three fixed DC power supply output terminals for outputting 5V, 12V and 24V DC power supplies respectively, as well as an adjustable DC voltage output terminal corresponding to a digital display DC voltage regulator, a PWM signal output terminal corresponding to a signal generator, and an oscilloscope output terminal corresponding to a digital oscilloscope.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] Through the comprehensive testing device for on-board components of new energy vehicles, the performance of the generator and the starter can be tested simultaneously through one device, and the performance of other on-board components can also be tested, thereby improving the testing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view of the comprehensive testing device for on-board components of new energy vehicles.

[0019] Figure 2 for Figure 1 Left view of .

[0020] Figure 3 for Figure 1 Right view of .

[0021] Figure 4 for Figure 1 The top view after the test cover is omitted.

[0022] Figure 5 Schematic diagram of the test panel of the comprehensive test device for on-board components of new energy vehicles.

[0023] Figure 6 This is a block diagram of the control circuit principle of a comprehensive test device for on-board components of new energy vehicles.

[0024] Wherein: 1, test cover 2, test panel 3, DC switch 4, clamping mechanism 5, test bench 6, cabinet 7, fixed clamping jaw 8, movable clamping jaw 9, cylinder fixing plate 10, clamping base plate 11, clamping cylinder 12, traction port 13, drive motor 14, fixed plate 15, clamping groove 16, clamping block 17, hinged block 18, first operating area 19, clamping groove 20, second operating area 21, frequency conversion controller 22, digital oscilloscope 23, voltage regulator 24, signal generator 25, display instrument area 26, DC voltage regulator 27, generator connection area 28, AC circuit breaker 29, signal output area 30, starter connection area. DETAILED DESCRIPTION

[0025] Figures 1 to 6 It is the best embodiment of the utility model, and the following Figures 1 to 6 The utility model is further described.

[0026] like Figure 1~2 As shown, a comprehensive test device for vehicle-mounted components of new energy vehicles (hereinafter referred to as the test device) includes a test cabinet, which includes a cabinet body 6, and the upper surface of the cabinet body 6 is a horizontal test bench 5. A test panel 2 of the test device is vertically arranged on the rear side of the upper surface of the test bench 5. The left and right ends of the front side of the test bench 5 are respectively the generator test position and the starter test position. Since the generator and starter on the new energy vehicle need to rotate during operation, they are fixed at the generator test position and the starter test position for testing during testing. When other components are tested (such as the all-in-one controller in the new energy vehicle), they are set in the middle of the front side of the test bench 5 for testing. A plurality of cabinet doors are respectively arranged on the front surface and the side of the cabinet body 6, and a DC switch 3 is also arranged on the upper part of the front surface of the cabinet body 6.

[0027] A test cover 1 is provided at the generator test position. The test cover 1 is swingably mounted on the surface of the test bench 5 through a hinge at its rear end. A fixing mechanism for fixing the generator is provided at the lower part of the test cover 1. Figure 4 The fixing mechanism includes a fixing plate 14, which is spaced apart from the surface of the test bench 5. A clamping groove 15 is horizontally opened at both ends of the front side of the fixing plate 14, and two screws pass through the corresponding clamping grooves 15 from bottom to top. A clamping block 16 is respectively arranged on the upper part of the clamping grooves 15 on both sides, and the screws on both sides pass through the corresponding clamping blocks 16 respectively. A nut is threadedly connected to the upper part of the screws on both sides, and the width of the hexagonal nuts at the tail of the screws on both sides is greater than the width of the clamping groove 15 to realize the clamping of the screws. By rotating the nut on the upper part of the clamping block 16, the clamping block 16 and the fixing plate 14 can be fastened.

[0028] The front end of the fixed plate 14 is hinged to the test bench through the hinge blocks 17 on both sides. A lifting cylinder is arranged in the cabinet 6. The lifting cylinder is fixed to the lower surface of the test bench 5. Its piston rod passes through the test bench 5 upward and is hinged to the back of the fixed plate 14. A traction port 12 that passes through the test bench 5 is opened on one side of the fixed plate 14. A driving motor 13 is fixed in the cabinet 6. When the generator needs to be tested, the motor shaft of the driving motor 13 and the rotating shaft of the generator are connected by a belt. When the driving motor 13 drives the generator to rotate, it is judged whether the generator is working normally. A first operating area 18 is also arranged on the side of the fixed plate 14. A button (or knob) for controlling the action of the lifting cylinder and the driving motor 13 is arranged in the first operating area 18.

[0029] Combination Figure 3 A clamping base plate 10 is provided at the starter test position, and the clamping base plate 10 is fixed on the surface of the test bench 5. A front fixing plate is vertically fixed on the front side of the upper surface of the clamping base plate 10, and two fixed clamping claws 7 are fixed side by side on the rear surface of the front fixing plate. A cylinder fixing plate 9 is vertically fixed on the rear side of the upper surface of the clamping base plate 10, and a clamping cylinder 11 is fixed on the rear side of the cylinder fixing plate 9, and the piston rod of the clamping cylinder 11 penetrates the cylinder fixing plate 9 forward. A clamping groove 19 is provided on the surface of the clamping base plate 10, and the rear fixing plate is slidably installed in the clamping groove 19. The piston rod of the clamping cylinder 11 is fixed on the back of the rear fixing plate. Two movable clamping claws 8 are fixed side by side on the front surface of the rear fixing plate. The movable clamping claws 8 clamp the starter placed on the surface of the clamping base plate 10 under the drive of the clamping cylinder 11. A second operating area 20 is provided on the front side of the clamping base plate 10 , and buttons for controlling the action of the clamping cylinder 11 and a key for starting the starter motor to rotate are provided in the second operating area 20 .

[0030] like Figure 5 As shown, the surface of the test panel 2 is divided into multiple areas: a generator connection area 27, a signal output area 29 and a starter connection area 30 are sequentially arranged below the test panel 2. The generator connection area 27 is provided with positive and negative electrodes connected to the output end of the generator, an excitation output end connected to the generator, and an indicator light. The starter connection area 30 is provided with a 12V, 24V DC power supply (sharing a negative electrode) connected to the starter, and a starter start signal terminal.

[0031] The signal output area 29 is provided with a 220V AC output terminal, a 220V AC output switch; a 380V AC output terminal, a 380V AC output switch; a high-voltage DC (in this test device, the high-voltage DC is 0~700VDC) output switch, and a high-voltage DC output terminal (including positive and negative terminals). The signal output area 29 is also provided with three fixed DC power output terminals, which output 5V, 12V, and 24V DC power supplies respectively, an adjustable DC voltage output terminal, a PWM signal output terminal, and an oscilloscope output terminal.

[0032] A display instrument area 25 is horizontally arranged in the middle of the test panel 2, and a digital display AC voltmeter and two digital display DC voltmeters (displaying high voltage DC power supply and low voltage DC power supply respectively) are arranged in sequence in the display instrument area 25. A digital oscilloscope 22, a digital display DC voltage regulator 23 and a signal generator 24 are arranged in sequence in the upper part of the display instrument area 25. The output end of the digital oscilloscope 22 corresponds to the output end of the oscilloscope in the signal output area 29, the output end of the digital display DC voltage regulator 23 corresponds to the adjustable DC voltage output end in the signal output area 29, and the output end of the signal generator 24 corresponds to the PWM signal output end in the signal output area 29. The digital display DC voltage regulator 23 can be implemented by a common commercially available digital display adjustable switching power supply.

[0033] A frequency conversion controller 21 is arranged on the upper left side of the test panel 2, and the main switch of the AC power of the test device is arranged at the lower part of the frequency conversion controller 21: an AC circuit breaker 28, and a DC voltage regulator 26 is arranged on the upper right side of the test panel 2, and the output end of the DC voltage regulator 26 corresponds to the high-voltage DC output end of the high-voltage DC in the signal output area 29.

[0034] Combination Figure 6 In this test device, a battery with an output voltage of 24V is arranged in the cabinet 6. At the power output end of the battery, a voltage conversion circuit commonly used in the art is used to obtain 5V and 12V DC power supplies respectively, which are combined with the 24V DC power supply output by the device itself to form a fixed DC output terminal, corresponding to the three fixed DC power output terminals in the above-mentioned signal output area 29.

[0035] 380V AC is connected to the test device, and the 380V AC is connected to the input end of the rectifier, and the power input end of the DC voltage regulator 26 is connected to the output end of the rectifier, and the power output end of the DC voltage regulator 26 is connected to the above-mentioned high-voltage DC output end through the above-mentioned high-voltage DC output switch. The above-mentioned DC switch 3 is connected in series between the 380V AC and the rectifier. The 380V AC is converted into 220V AC through the transformer, and the 220V AC is connected to the above-mentioned 220V AC output end through the above-mentioned 220V AC output switch. The 380V AC itself is also connected to the above-mentioned 380V AC output end through the above-mentioned 380V AC output switch. The 220V AC drawn from the output end of the transformer is also connected to the above-mentioned voltage regulator 23, digital oscilloscope 22 and signal generator 24 respectively.

[0036] The AC voltmeter in the display instrument area 25 is connected to the 220V AC output terminal and the 380V AC output terminal. When testing, 380V AC or 220V AC is output through the 380V AC output switch or the 220V AC output switch, and the AC voltmeter is used for voltage indication. A DC voltmeter is installed at the high-voltage DC output terminal. Another digital DC voltmeter in the display instrument area 25 is connected to the terminal in the generator connection area 27 to display the output voltage of the generator when it is working.

[0037] The specific working process and working principle are as follows:

[0038] When the generator needs to be tested, the generator is placed on the surface of the fixed plate 14, and after adjusting the spacing between the clamping blocks 16 on both sides, it is locked in the above manner, and the generator is fixed on the surface of the fixed plate 14, and the rotating shaft of the generator and the motor shaft of the drive motor 13 are connected by a belt, and the button in the first operating area 18 is pressed to control the action of the lifting cylinder in the cabinet 16 to raise the fixed plate 14 until the belt is in a taut state. After the generator and the corresponding terminals in the above-mentioned generator connection area 27 are connected by wires, the drive motor is controlled to rotate by the button in the first operating area 18, and the generator is further driven to rotate by the belt, and after the excitation signal is passed to the generator through the terminals in the generator connection area 27, the terminals in the generator connection area 27 are compared with the power output end of the generator, and the voltage is indicated by the digital display DC voltmeter in the display instrument area 25.

[0039] When the starter needs to be tested, the starter is placed on the surface of the clamping base plate 10. By pressing the trigger button on the surface of the second operating area 20, the piston rod of the clamping cylinder 11 is output, and the starter is clamped by the fixed clamp 7 and the movable clamp 8. Then, the positive and negative electrodes of the DC power supply in the starter wiring area 30 and the start signal terminals are connected to the corresponding wiring terminals of the starter. By pressing the button on the surface of the second operating area 20 for starting the starter rotation, the performance is judged by observing the working status of the starter.

[0040] By utilizing other test ports and display modules on the surface of the control panel 2 , other onboard devices on the new energy vehicle can also be connected and performance tested, such as an all-in-one controller on the new energy vehicle.

[0041] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.

Claims

1. A comprehensive testing device for on-board components of a new energy vehicle, comprising a cabinet (6), the surface of the cabinet (6) being a test bench (5), characterized in that: A test panel (2) is arranged on the rear side of the surface of the test bench (5), a control circuit is arranged in the test panel (2), the front side of the test panel (2) is a test area, the test area includes a generator test area and a starter test area which are arranged in sequence, a non-fixed test area is located between the generator test area and the starter test area, and a generator wiring area (27) and a starter wiring area (30) which correspond to the generator test area and the starter test area, respectively, are arranged on the surface of the test panel (2).

2. The comprehensive testing device for on-board components of new energy vehicles according to claim 1 is characterized in that: A clamping mechanism for fixing the starter is arranged in the starter test area, the clamping mechanism comprising a clamping base plate (10) for placing the starter, a fixed clamping jaw (7) and a movable clamping jaw (8) being arranged opposite to each other on the surface of the clamping base plate (10), and a clamping cylinder (11) for driving one end of the movable clamping jaw (8) being fixed to one end of the clamping base plate (10) close to the movable clamping jaw (8).

3. The comprehensive testing device for on-board components of new energy vehicles according to claim 1 is characterized in that: A fixing mechanism for fixing the generator is provided in the generator test area, a driving motor (13) for driving the generator to rotate is provided in the cabinet (6), a traction port (12) penetrating the test bench (5) is provided on the side of the fixing mechanism, and a belt for connecting the driving motor (13) and the generator passes through the traction port (12).

4. The comprehensive testing device for on-board components of new energy vehicles according to claim 3 is characterized in that: The fixing mechanism comprises a fixing plate (14) for placing the generator, and a group of clamping blocks (16) for clamping the generator are arranged at adjustable intervals on both sides of the fixing plate (14).

5. The comprehensive testing device for on-board components of new energy vehicles according to claim 3 is characterized in that: A test cover (1) is also provided on the upper part of the fixing mechanism, and the test cover (1) is rotatably connected to the test bench (5) via a hinge at its rear end.

6. The comprehensive testing device for on-board components of new energy vehicles according to claim 4 is characterized in that: The front end of the fixing plate (14) is hinged to the test bench (5), and a cylinder for driving the fixing plate (14) to swing is also provided in the cabinet (6).

7. The comprehensive testing device for on-board components of new energy vehicles according to claim 1 is characterized in that: The generator connection area (27) and the starter connection area (30) are respectively located on both sides of the lower part of the surface of the test panel (2); a signal output area (29) is arranged between the generator connection area (27) and the starter connection area (30); a display instrument area (25) is arranged horizontally above the signal output area (29); a digital oscilloscope (22), a digital display DC voltage regulator (23) and a signal generator (24) are arranged in sequence above the display instrument area (25); a frequency conversion controller (21) and a DC voltage regulator (26) are respectively arranged on the left and right sides of the upper part of the test panel (2); and an AC circuit breaker (28) is arranged below the frequency conversion controller (21).

8. The comprehensive testing device for on-board components of new energy vehicles according to claim 7 is characterized in that: A 220V AC output terminal and a 220V AC output switch; a 380V AC output terminal and a 380V AC output switch; a high-voltage DC output switch and a high-voltage DC output terminal are arranged in the signal output area (29); Three fixed DC power supply output terminals are also provided for outputting 5V, 12V and 24V DC power supplies respectively, as well as an adjustable DC voltage output terminal corresponding to a digital display DC voltage regulator (23), a PWM signal output terminal corresponding to a signal generator (24) and an oscilloscope output terminal corresponding to a digital oscilloscope (22).

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