An electric vehicle wheel hub motor stator wire detection device and method

Abstract

The application discloses a kind of electric vehicle wheel hub motor stator wrong line detection devices in electric vehicle detection field, including bottom support box and detection box, the detection box is set in the top of bottom support box.The detection box in the application can be stored in the storage groove inside bottom support box when not in use, the first measuring line and the second measuring line are placed, facilitate the carrying operation of this device;Can be placed on the left arm or right arm according to the needs of user, fixed by elastic band, it is convenient to operate this wrong line detection device, can greatly improve the efficiency of detection, extremely efficient;Whether the wheel hub motor has wrong line condition can be judged by measuring motor stator induced voltage and current, information feedback way is various, the overall operation method of device is simple, operation process is efficient, solve the problem that existing wheel hub motor wiring determination process is complicated, efficiency is low.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of electric vehicle detection, in particular to an electric vehicle wheel hub motor stator wrong line detection device and detection method. BACKGROUND

[0002] Electric vehicle, namely electric power drive vehicle. Electric vehicle is to take battery as energy source, through the controller, motor and other components, convert electric energy into mechanical energy movement. According to the nature of the car, electric vehicle can be divided into two-wheeled electric vehicle, three-wheeled electric vehicle and electric vehicle. Wheel hub motor is mainly applied to two-wheeled electric vehicle and three-wheeled electric vehicle, and can also be applied to electric vehicle. The electric vehicle must be driven by the wheel hub motor, and the stator coil in the wheel hub motor is wrong in wiring. Once the wiring is wrong, the performance of the motor is affected, and the wiring of the motor needs to be determined and detected.

[0003] The prior art detection process is more cumbersome, low efficiency, and the detection device is inconvenient to carry. The operation process needs to transfer the detection equipment frequently, which is very inconvenient. Therefore, the technical personnel in the field provide an electric vehicle wheel hub motor stator wrong line detection device and detection method to solve the problems raised in the above background technology. SUMMARY

[0004] The purpose of the present application is to provide an electric vehicle wheel hub motor stator wrong line detection device and detection method to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the present application provides the following technical scheme:

[0006] An electric vehicle wheel hub motor stator wrong line detection device and detection method, comprising a bottom box body and a detection box body, the detection box body is arranged above the bottom box body, the bottom box body and the side wall of the detection box body are provided with elastic lock catch at the abutting part, the bottom box body and the detection box body are connected through a hinge, and the hinge is arranged on the side wall opposite to the elastic lock catch, a first measuring line and a second measuring line are arranged on the side wall of the detection box body, and measuring heads are arranged at the ends of the first measuring line and the second measuring line, receiving grooves are formed on the upper sides of the bottom box body, clamping buckles are arranged in the receiving grooves, and elastic clamping grooves are formed in the top ends of the clamping buckles.

[0007] As a further scheme of the present application, an arc-shaped groove is formed in the bottom surface of the bottom box body, a supporting leather pad is hinged on the arc-shaped groove, and elastic bands are fixedly installed on the bottom end of the bottom box body on both sides of the arc-shaped groove.

[0008] As a further scheme of the present application: the display screen is installed on the top surface of the detection box through a clamping groove, an alarm is arranged on one side of the display screen, an indicator light is arranged on one side of the alarm, the alarm is inlaid and fixed with the detection box, and the indicator light has two, one being a red indicator light and the other being a green indicator light.

[0009] As a further scheme of the present application: an operation button is arranged on one side of the detection box, and the operation button is installed with the detection box through a clamping groove.

[0010] As a further scheme of the present application: a main control board is installed inside the detection box through a screw, a lithium battery pack is arranged on one side of the main control board, and a data processing module, a voltage detection module, a current detection module and a data transmission module are arranged on the main control board.

[0011] As a further scheme of the present application: the lithium battery pack is installed with the detection box through a clamping groove, and the data processing module, the voltage detection module, the current detection module and the data transmission module are electrically connected with the main control board through tin soldering.

[0012] As a further scheme of the present application: a U-shaped positioning support frame is arranged at the measuring head of the other end of the first measuring line and the second measuring line, a positioning support base is fixedly installed at the bottom end of the U-shaped positioning support frame, a rotating clamping groove is formed at the top end of the U-shaped positioning support frame, a lifting push rod is fixedly installed at the inner bottom of the U-shaped positioning support frame, a starting motor is fixedly installed at the top end of the lifting push rod, and a starting wheel is installed on the output shaft of the starting motor.

[0013] As a further scheme of the present application: a junction box is installed on one side wall of the U-shaped positioning support frame, the junction box comprises two incoming line terminals fixedly inlaid on the top surface of the junction box, two detection line terminals fixedly installed at the bottom end of one side wall of the junction box, and a detection wire pressing screw threadedly installed at the bottom end of the junction box, and the two incoming line terminals and the two detection line terminals are connected through wires.

[0014] A method for detecting the wrong wire of an electric vehicle wheel hub motor stator, comprising the following steps:

[0015] S101, before use, place the detection device on the left arm or the right arm, then tighten and fix it through the elastic band, turn on the detection box through the operation button, and connect the first detection line and the second detection line with the stator connection line of the electric vehicle wheel hub motor respectively.

[0016] S102, rotate the rotor of the electric vehicle wheel hub motor, the motor stator cuts the magnetic induction line movement, according to the number of stator coils and the rotor speed, the theoretical power generation voltage value is converted, the induced voltage and induced current obtained by the motor stator cutting the magnetic induction line movement can be measured through the voltage detection module and the current detection module inside the detection box, real-time display is carried out through the display screen, by comparing the theoretical value and the actual value, whether the stator is connected incorrectly can be obtained;

[0017] S103, the measured induced voltage and induced current are fed back to the data processing module through the data transmission module, whether the motor stator is connected incorrectly is judged, and the motor stator incorrect connection detection is realized.

[0018] As a further scheme of the application: in the step S103, when it is determined that the motor stator is connected incorrectly, the alarm sends an alarm information, the red indicator light in the indicator light is on, and the information of incorrect connection is displayed on the display screen; when it is determined that the motor stator is connected correctly, the green indicator light in the indicator light is on, and the information of correct connection is displayed on the display screen.

[0019] Compared with the prior art, the application has the following beneficial effects:

[0020] 1、The detection box in the application can store the first measuring line and the second measuring line in the storage groove in the bottom box body when not in use, facilitating the carrying and operation of the device.

[0021] 2、The detection device can be placed on the left arm or the right arm according to the user's needs, and fixed by the elastic band, which facilitates the operation of the incorrect connection detection device and greatly improves the detection efficiency.

[0022] 3、The application can determine whether the wheel hub motor has incorrect connection by measuring the induced voltage and current of the motor stator, the information feedback channel is various, the overall operation method of the device is simple, the operation process is efficient, and the problems of complicated and low efficiency in the existing wheel hub motor connection determination process are solved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 The structure of the application is shown in the figure;

[0024] Fig. 2 The structure of the bottom box body in the application is shown in the figure;

[0025] Fig. 3 The cross-sectional view of the detection box in the application is shown in the figure;

[0026] Fig. 4 The left view of the U-shaped positioning support part in the application is shown in the figure;

[0027] Fig. 5 It is a structure diagram of the junction box in the application.

[0028] In the figure: 1, bottom box body; 2, detection box body; 3, elastic lock; 4, support leather pad; 5, elastic band; 6, display screen; 7, alarm; 8, indicator light; 9, operation key; 10, first measuring line; 11, second measuring line; 12, storage groove; 13, clamping buckle; 1301, elastic clamping groove; 14, lithium battery pack; 15, main control board; 16, data processing module; 17, voltage detection module; 18, current detection module; 19, data transmission module; 20, positioning base; 21, U-shaped positioning support frame; 22, rotating clamping groove; 23, junction box; 2301, incoming line terminal; 2302, detection terminal; 2303, detection wire pressing screw; 24, lifting push rod; 25, starting motor; 26, starting wheel. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0030] Please refer to Figs. 1-5 In the embodiments of the application, a motor car wheel hub motor stator wrong line detection device and a detection method, comprising a bottom box body 1 and a detection box body 2, the detection box body 2 is arranged above the bottom box body 1, the bottom box body 1 and the detection box body 2 are provided with an elastic lock 3 at the side wall close to the part, the bottom box body 1 and the detection box body 2 are connected through a hinge, and the hinge is arranged at the side wall opposite to the elastic lock 3, a first measuring line 10 and a second measuring line 11 are arranged on the side wall of the detection box body 2, and the end of the first measuring line 10 and the second measuring line 11 is provided with a measuring head, the storage groove 12 is arranged on the top of the bottom box body 1, the clamping buckle 13 is arranged in the storage groove 12, and the elastic clamping groove 1301 is arranged at the top of the clamping buckle 13.

[0031] By adopting the above technical scheme, the first measuring line 10 and the second measuring line 11 can be placed in the storage groove 12 in the bottom box body 1 when the detection device is not used, so that the carrying operation of the device is facilitated.

[0032] In the embodiments, the arc-shaped groove is arranged on the bottom surface of the bottom box body 1, the support leather pad 4 is hinged on the arc-shaped groove, and the elastic band 5 is fixedly installed on the bottom end of the bottom box body 1 at the two sides of the arc-shaped groove.

[0033] By adopting the technical scheme, the detection device can be placed on the left arm or the right arm according to the requirement of the user, fixed through the elastic band 5, and convenient to operate the wrong line detection device, so that the detection efficiency can be greatly improved and the detection is extremely efficient.

[0034] In the embodiment, the display screen 6 is installed on the top surface of the detection box 2 through the clamping groove, the alarm 7 is arranged on one side of the display screen 6, and the indicator light 8 is arranged on one side of the alarm 7. The alarm 7 is inlaid and fixed with the detection box 2, and the indicator light 8 has two, one is a red indicator light, and the other is a green indicator light. When the wiring error is detected, the alarm 7 can alarm, and the red indicator light can indicate.

[0035] In the embodiment, the operation button 9 is arranged on one side of the indicator light 8 on the detection box 2, the operation button 9 is installed with the detection box 2 through the clamping groove, the main control board 15 is installed in the detection box 2 through the screw, the main control board 15 is arranged on one side of the lithium battery group 14, and the main control board 15 is provided with the data processing module 16, the voltage detection module 17, the current detection module 18 and the data transmission module 19. The lithium battery group 14 is used for power supply of the detection device.

[0036] In the embodiment, the lithium battery group 14 is installed with the detection box 2 through the clamping groove, the data processing module 16, the voltage detection module 17, the current detection module 18 and the data transmission module 19 are electrically connected with the main control board 15 through soldering, the data processing module 16 is used for analyzing the measured data, the data transmission module 19 is used for transmitting the data, and the voltage detection module 17 and the current detection module 18 are used for detecting the inducted voltage and current.

[0037] In the embodiment, the U-shaped positioning support frame 21 is arranged at the measuring head of the other end of the first measuring line 10 and the second measuring line 11, the U-shaped positioning support frame 21 is fixedly installed with the positioning support base 20 at the bottom end, the rotating clamping groove 22 is arranged at the top end of the U-shaped positioning support frame 21, the lifting push rod 24 is fixedly installed in the inner bottom of the U-shaped positioning support frame 21, the starting motor 25 is fixedly installed at the top end of the lifting push rod 24, and the starting wheel 26 is installed on the output shaft of the starting motor 25.

[0038] By adopting the technical scheme, the wheel hub motor can be placed on the rotating clamping groove 22, the starting motor 25 is driven to rotate the starting wheel 26, the starting wheel 25 is pushed upward by the lifting push rod 24 to contact the rotor part of the wheel hub motor, power is transmitted to the rotor, the rotor can be driven to rotate, and the subsequent detection of the wrong line connection can be facilitated.

[0039] In this embodiment, the U-shaped positioning support 21 has a junction box 23 fixed on one side wall, the junction box 23 includes two incoming line terminals 2301 fixedly embedded on the top surface of the junction box 23, two detection line terminals 2302 fixed at the bottom end of the side wall of the junction box 2301, and a detection wire pressing screw 2303 threadedly installed at the bottom end of the junction box 23, and the two incoming line terminals 2301 are connected with the two detection line terminals 2302 through wires.

[0040] By adopting the above technical scheme, the rotor wire can be directly clamped to the incoming line terminal 2301, that is, the connection of the wire can be realized, and the efficiency is high.

[0041] A motor wheel hub motor stator wrong wire detection method, comprising the following steps:

[0042] S101, before use, place the detection device on the left or right arm, then tighten and fix through the elastic band 5, start the detection box 2 by operating the key 9, and contact and connect the first detection wire and the second detection wire with the stator connection wire of the motor wheel hub motor respectively;

[0043] S102, rotate the rotor of the motor wheel hub motor, the motor stator cuts the magnetic induction line, according to the number of stator coils and the rotor speed, the theoretical voltage value is converted, the induced voltage and induced current obtained by the motor stator cutting the magnetic induction line are measured through the voltage detection module 17 and the current detection module 18 in the detection box 2, and the induced voltage and induced current are displayed in real time through the display screen 6, and whether the stator is connected with wrong wire is determined by comparing the theoretical value with the actual value;

[0044] S103, the measured induced voltage and induced current are fed back to the data processing module 16 through the data transmission module 19, whether the motor stator is connected with wrong wire is judged, and the motor stator wrong wire detection is realized.

[0045] In this embodiment, when it is determined that the motor stator is connected with wrong wire in step S103, the alarm 7 sends an alarm information, the red indicator light in the indicator light 8 is on, and the information of wrong wire is displayed on the display screen 6; when it is determined that the motor stator is connected with correct wire, the green indicator light in the indicator light 8 is on, and the information of correct wire is displayed on the display screen 6.

[0046] In this embodiment, whether the wheel hub motor is connected with wrong wire can be determined by measuring the motor stator induced voltage and current, the information feedback ways are various, the overall operation method of the device is simple, the operation process is efficient, and the problems of complicated and low efficiency in the existing wheel hub motor connection determination process are solved.

[0047] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A stator misalignment detection device for an electric vehicle hub motor, characterized by: The invention comprises a bottom support box (1) and a detection box (2), wherein the detection box (2) is arranged above the bottom support box (1), and an elastic lock (3) is installed at a position close to one side wall of the bottom support box (1) and the detection box (2), and the bottom support box (1) and the detection box (2) are rotatably connected by a hinge, and the hinge is arranged on a side wall opposite to the elastic lock (3); A first measuring line (10) and a second measuring line (11) are provided on one side wall of the detection box body (2); a U-shaped positioning support frame (21) is provided at the measuring head at the other end of the first measuring line (10) and the second measuring line (11); a positioning support base (20) is fixedly installed at the bottom end of the U-shaped positioning support frame (21); a rotating slot (22) is provided at the top end; a lifting push rod (24) is fixedly installed at the inner bottom; a starting motor (25) is fixedly installed at the top end of the lifting push rod (24); and a starting wheel (26) is installed on the output shaft of the starting motor (25); A junction box (23) is installed on one side wall of the U-shaped positioning support frame (21), and the junction box (23) includes two incoming wiring terminals (2301) fixedly embedded on the top surface, two detection wiring terminals (2302) fixed at the bottom end of one side wall, and a detection wire-pressing screw (2303) installed at the bottom end through a thread, and the two incoming wiring terminals (2301) and the two detection wiring terminals (2302) are connected through wires; The bottom support box (1) is provided with storage grooves (12) on both sides of the top, a snap-fit ​​buckle (13) is installed inside the storage groove (12), and an elastic snap-fit ​​groove (1301) is provided at the top of the snap-fit ​​buckle (13); an arc-shaped groove is provided on the bottom surface of the bottom support box (1), a support leather pad (4) is hinged on the arc-shaped groove, and elastic bands (5) are fixedly installed on both sides of the arc-shaped groove at the bottom end; The detection box body (2) is provided with a display screen (6), an alarm (7) and an indicator light (8) on the top surface, an operation button (9) on one side, and a main control board (15) and a lithium battery pack (14) installed inside. The main control board (15) is provided with a data processing module (16), a voltage detection module (17), a current detection module (18) and a data transmission module (19).

2. The electric vehicle hub motor stator misalignment detection device according to claim 1, characterized in that: The indicator light (8) includes a red indicator light and a green indicator light. The alarm (7) is electrically connected to the data processing module (16). When a miswire is detected, the red indicator light is on and the alarm sends an alarm signal.

3. The electric vehicle hub motor stator misalignment detection device according to claim 1, characterized in that: The bottom support box (1) and the detection box body (2) are closed and locked by means of an elastic lock (3).

4. A method for detecting stator misalignment of an electric vehicle hub motor, applied to the stator misalignment detection device for an electric vehicle hub motor according to any one of claims 1 to 3, characterized in that: The steps include: S101, fixing the detection device on the arm through the elastic band (5), turning on the device by operating the button (9), and making the first measuring line (10) and the second measuring line (11) contact and connect with the stator connecting line of the electric vehicle hub motor respectively; S102, controlling the lifting push rod (24) of the U-shaped positioning support frame (21) to rise, so that the starting wheel (26) contacts the motor rotor, starting the motor (25) to drive the rotor to rotate, and the stator cuts the magnetic flux lines to generate induced voltage and current; S103, the voltage detection module (17) and the current detection module (18) detect the induced signal in real time, and send it to the data processing module (16) through the data transmission module (19), so as to judge whether the motor stator is connected incorrectly, thereby realizing the detection of the motor stator wrong wiring. When it is judged that the motor stator is connected incorrectly, the alarm (7) issues an alarm message, the red indicator light in the indicator light (8) lights up, and the display screen (6) displays the wrong wiring information; when it is judged that the motor stator is connected correctly, the green indicator light in the indicator light (8) lights up, and the display screen (6) displays the correct wiring information.

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