A kind of steering gear comprehensive detection device and method

Abstract

The present invention discloses a comprehensive detection device and method for a steering gear, the device comprises a microprocessor and a torque detection unit, a current detection unit, and a speed and rotation angle error detection unit connected to the microprocessor; the microprocessor is respectively connected to a main control PC and a steering gear, the main control PC controls the detection work of the microprocessor, and the microprocessor controls the work of the steering gear; the torque detection unit is used to detect and obtain the torque data of the steering gear and transmit it to the microprocessor, the current detection unit is used to detect and obtain the current data of the steering gear and transmit it to the microprocessor, the speed and rotation angle error detection unit detects and obtains the speed data and rotation angle error data of the steering gear and feeds back to the microprocessor in real time; the microprocessor receives and processes the detection data to form detection parameter data and sends it to the main control PC, and the main control PC determines the state of the steering gear based on the detection parameter data and forms a detection result. The present invention improves the accuracy of the steering gear detection data and avoids human misjudgment.

Description

Technical Field

[0001] The present invention relates to the technical field of steering gears, and in particular to a steering gear comprehensive detection device and method. Background Art

[0002] At present, the existing steering gear detection devices have a single inspection item, which is to test the speed and rotation angle error separately. For example, to measure the rotation angle error: the steering gear is fixed on the angle dial, the steering gear has a fixed rotation angle, and human judgment has large test data errors, misjudgments, and low efficiency. The market demand for steering gears is increasing, and the existing steering gear detection devices have many test procedures and low efficiency. Summary of the invention

[0003] The purpose of the present invention is to solve the problems of large error, misjudgment and low efficiency of steering gear detection data, and to provide a steering gear comprehensive detection device and method.

[0004] The technical solution adopted by the present invention is: A comprehensive detection device for a steering gear comprises a microprocessor and a torque detection unit, a current detection unit, and a speed and rotation angle error detection unit connected to the microprocessor; the microprocessor is respectively connected to a main control PC and the steering gear, the main control PC controls the detection work of the microprocessor, and the microprocessor controls the work of the steering gear; the torque detection unit, the current detection unit, and the speed and rotation angle error detection unit are respectively connected to the steering gear, the torque detection unit is used to detect and obtain the torque data of the steering gear and transmit it to the microprocessor, the current detection unit is used to detect and obtain the current data of the steering gear and transmit it to the microprocessor, the speed and rotation angle error detection unit detects and obtains the speed data and rotation angle error data of the steering gear and feeds back to the microprocessor in real time; the microprocessor receives and processes the detection data to form detection parameter data and sends it to the main control PC, and the main control PC determines the state of the steering gear based on the detection parameter data and forms a detection result.

[0005] Furthermore, the host computer software is configured on the main control PC. Furthermore, the host computer software compares the received detection parameter data with the set normal servo parameters to determine whether the servo is good or bad and prompt the servo detection failure items.

[0006] Furthermore, the speed and rotation angle error detection unit uses a Hall sensor for detection.

[0007] Furthermore, it also includes a power supply unit, which is respectively connected to the microprocessor and the torque detection unit, the current detection unit, the speed and rotation angle error detection unit, and the power supply unit supplies power to the detection device.

[0008] The present invention also discloses a steering gear comprehensive detection method, which comprises the following steps: Step 1: The user starts the detection device of the servo to be tested through the main control PC; Step 2, the microprocessor obtains the current data of the servo through the current detection unit and saves it; Step 3, the microprocessor obtains and saves the steering gear speed data and the rotation angle error data through the speed and rotation angle error detection unit; Step 4, the microprocessor obtains and saves the torque data of the servo through the torque detection unit; Step 5, the microprocessor analyzes and processes the acquired current data, speed data, rotation angle error data, and torque data to obtain detection parameter data and sends it to the main control PC; Step 6: The main control PC compares the received detection parameter data with the set normal servo parameters to determine whether the servo is good or bad and prompts the servo detection failure items.

[0009] Furthermore, in step 1, the detection device of the servo to be tested is started by inputting the SN of the servo to be tested in the upper computer software or scanning and inputting the servo SN.

[0010] Furthermore, in step 3, the servo speed data is fed back to the microprocessor once after each rotation of the servo.

[0011] Furthermore, in step 3, the microprocessor controls the servo to rotate 45°, 135°, 180°, -45°, and -135° respectively, and feeds back the servo rotation angle error data to the microprocessor once after each corresponding angle rotation.

[0012] The present invention adopts the above technical scheme, and is equipped with a main control PC and host computer software, a microcontroller MCU, sensors (Hall, torque, etc.), and an angle dial. The microcontroller MCU of the present invention reads the data of each sensor to calculate the speed, rotation angle error, torque, current, etc., and uploads the data to the main control PC after calculation. The host computer software of the main control PC determines the quality of the servo according to the set parameters and prompts the servo detection failure items. The servo inspection items of the present invention are comprehensive, solve multi-process testing, improve the accuracy of servo detection data, avoid human misjudgment, and improve detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments; Figure 1 This is a schematic diagram of the principle structure of a steering gear comprehensive detection device of the present invention; Figure 2 A schematic diagram of a flow chart of a steering gear comprehensive detection method of the present invention DETAILED DESCRIPTION

[0014] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0015] like Figure 1 As shown in or 2, the present invention discloses a comprehensive detection device for a steering gear, which includes a microprocessor and a torque detection unit, a current detection unit, and a speed and rotation angle error detection unit connected to the microprocessor; the microprocessor is respectively connected to a main control PC and a steering gear, the main control PC controls the detection work of the microprocessor, and the microprocessor controls the work of the steering gear; the torque detection unit, the current detection unit, and the speed and rotation angle error detection unit are respectively connected to the steering gear, the torque detection unit is used to detect and obtain the torque data of the steering gear and transmit it to the microprocessor, the current detection unit is used to detect and obtain the current data of the steering gear and transmit it to the microprocessor, the speed and rotation angle error detection unit detects and obtains the speed data and rotation angle error data of the steering gear and feeds back to the microprocessor in real time; the microprocessor receives and processes the detection data to form detection parameter data and sends it to the main control PC, and the main control PC determines the state of the steering gear based on the detection parameter data and forms a detection result.

[0016] Furthermore, the host computer software is configured on the main control PC. Furthermore, the host computer software compares the received detection parameter data with the set normal servo parameters to determine whether the servo is good or bad and prompt the servo detection failure items.

[0017] Furthermore, the speed and rotation angle error detection unit uses a Hall sensor for detection.

[0018] Furthermore, it also includes a power supply unit, which is respectively connected to the microprocessor and the torque detection unit, the current detection unit, the speed and rotation angle error detection unit, and the power supply unit supplies power to the detection device.

[0019] The present invention discloses a steering gear comprehensive detection method, which comprises the following steps: Step 1: The user starts the detection device of the servo to be tested through the main control PC; Step 2, the microprocessor obtains the current data of the servo through the current detection unit and saves it; Step 3, the microprocessor obtains and saves the steering gear speed data and the rotation angle error data through the speed and rotation angle error detection unit; Step 4, the microprocessor obtains and saves the torque data of the servo through the torque detection unit; Step 5, the microprocessor analyzes and processes the acquired current data, speed data, rotation angle error data, and torque data to obtain detection parameter data and sends it to the main control PC; Step 6: The main control PC compares the received detection parameter data with the set normal servo parameters to determine whether the servo is good or bad and prompts the servo detection failure items.

[0020] Furthermore, in step 1, the detection device of the servo to be tested is started by inputting the SN of the servo to be tested in the upper computer software or scanning and inputting the servo SN.

[0021] Furthermore, in step 3, the servo speed data is fed back to the microprocessor once after each rotation of the servo.

[0022] Furthermore, in step 3, the microprocessor controls the servo to rotate 45°, 135°, 180°, -45°, and -135° respectively, and feeds back the servo rotation angle error data to the microprocessor once after each corresponding angle rotation.

[0023] The present invention uses the microcontroller MCU in the device to obtain data from the current detection, speed and rotation angle error detection, and torque detection modules, and calculates the operating current, leakage current, speed, rotation angle error, and torque key parameters of the servo through the microcontroller MCU algorithm. The detection device transmits the acquired servo test parameter data back to the host computer software; the host computer software compares the data returned by the detection device according to the normal servo parameter setting value; the host computer data is compared and judged to be qualified if it is within the specification, otherwise it is unqualified.

[0024] The present invention adopts the above technical scheme, and is equipped with a main control PC and host computer software, a microcontroller MCU, sensors (Hall, torque, etc.), and an angle dial. The microcontroller MCU of the present invention reads the data of each sensor to calculate the speed, rotation angle error, torque, current, etc., and uploads the data to the main control PC after calculation. The host computer software of the main control PC determines the quality of the servo according to the set parameters and prompts the servo detection failure items. The servo inspection items of the present invention are comprehensive, solve multi-process testing, improve the accuracy of servo detection data, avoid human misjudgment, and improve detection efficiency.

[0025] Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The components of the embodiments of the present application generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the detailed description of the embodiments of the present application is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians of the art without making creative work are within the scope of protection of the present application.

Claims

1. A steering gear comprehensive detection device, characterized in that: It includes a microprocessor and a torque detection unit, a current detection unit, and a speed and rotation angle error detection unit connected to the microprocessor; the microprocessor is respectively connected to a main control PC and a steering gear, the main control PC controls the detection work of the microprocessor, and the microprocessor controls the work of the steering gear; the torque detection unit, the current detection unit, and the speed and rotation angle error detection unit are respectively connected to the steering gear, the torque detection unit is used to detect and obtain the torque data of the steering gear and transmit it to the microprocessor, the current detection unit is used to detect and obtain the current data of the steering gear and transmit it to the microprocessor, the speed and rotation angle error detection unit detects and obtains the speed data and rotation angle error data of the steering gear and feeds back to the microprocessor in real time; the microprocessor receives and processes the detection data to form detection parameter data and sends it to the main control PC, and the main control PC determines the state of the steering gear based on the detection parameter data and forms a detection result.

2. A steering gear integrated detection device according to claim 1, characterized in that: The host PC is equipped with host computer software, which compares the received detection parameter data with the set normal servo parameters to determine whether the servo is good or bad and prompt the servo detection failure items.

3. A steering gear integrated detection device according to claim 1, characterized in that: The speed and rotation angle error detection unit uses Hall sensors for detection.

4. A steering gear integrated detection device according to claim 1, characterized in that: It also includes a power supply unit, which is respectively connected to the microprocessor and the torque detection unit, the current detection unit, and the speed and rotation angle error detection unit, and supplies power to the detection device.

5. A steering gear comprehensive detection method, using a steering gear comprehensive detection device according to any one of claims 1 to 4, characterized in that: The detection method includes the following steps: Step 1: The user starts the detection device of the servo to be tested through the main control PC; Step 2, the microprocessor obtains the current data of the servo through the current detection unit and saves it; Step 3, the microprocessor obtains and saves the steering gear speed data and the rotation angle error data through the speed and rotation angle error detection unit; Step 4, the microprocessor obtains and saves the torque data of the servo through the torque detection unit; Step 5, the microprocessor analyzes and processes the acquired current data, speed data, rotation angle error data, and torque data to obtain detection parameter data and sends it to the main control PC; Step 6: The main control PC compares the received detection parameter data with the set normal servo parameters to determine whether the servo is good or bad and prompts the servo detection failure items.

6. A steering gear comprehensive detection method according to claim 5, characterized in that: In step 1, the detection device of the servo to be tested is started by inputting the SN of the servo to be tested in the upper computer software or scanning and inputting the SN of the servo to be tested.

7. A steering gear comprehensive detection method according to claim 5, characterized in that: In step 3, the servo speed data is fed back to the microprocessor once after each rotation of the servo.

8. A steering gear comprehensive detection method according to claim 5, characterized in that: In step 3, the microprocessor controls the servo to rotate 45°, 135°, 180°, -45°, and -135° respectively, and feeds back the servo rotation angle error data to the microprocessor once after each corresponding angle rotation.

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