Vehicle steering electronic damper control system and industrial vehicle using same

Abstract

The utility model relates to the technical field of damping type industrial vehicle steering systems, in particular to a vehicle steering electronic damper control system and an industrial vehicle using the same. Comprising a rotating speed detection module installed on a driving wheel of a vehicle and used for detecting the rotating speed of the driving wheel; the signal processing module is used for receiving the rotating speed signal of the rotating speed detection module and calculating a required damping value; the damping control module is used for controlling the magnitude of damping according to an instruction of the signal processing module; the damping adjusting module is arranged in the damping control module and is used for actually executing a damping adjusting function; the damping adjusting module is provided with 14 damping intervals, wherein the 14 damping intervals comprise 7 different voltage values and 7 enabling values. The vehicle steering electronic damper control system and the industrial vehicle applying the same have the advantages that the control accuracy and stability of the industrial vehicle can be improved, the response speed is high, the precision is high, the operation is flexible and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of damping type industrial vehicle steering system, especially to vehicle steering electronic damper control system and the industrial vehicle of application of this system. BACKGROUND

[0002] In industrial vehicles, in order to realize driving stability, improve work efficiency and control experience, the response of the drive system usually needs to be fine-tuned. In the prior art, a constant value damper is generally used to adjust the running speed or steering angle, but the damping size of such a damper is constant, which is difficult to meet the adjustment requirements under different working conditions, especially under high-speed running or heavy load working conditions, greater damping is needed to ensure stability. The performance and damping characteristics of the steering system are crucial to the operation safety and efficiency of the vehicle. The traditional steering system has problems such as slow response speed, low precision and inflexible operation. Electronic damper, as a new type of steering control method, has the advantages of fast response speed, high precision and strong reliability. By adjusting the damping size, the steering performance of the vehicle at different speeds can be improved, and the driving comfort and vehicle stability can be improved.

[0003] Chinese patent CN206171555U discloses a damping type industrial vehicle steering device, which comprises a damping module and a steering mechanism. The damping module comprises left and right hydraulic cylinders, each of which is provided with a piston. The piston is provided with a damping hole. A piston rod is provided between the left and right hydraulic cylinders through the piston. A hydraulic oil channel is provided in the piston rod. The damping hole communicates with the hydraulic oil channel through the piston. Hydraulic springs are provided at both ends of the piston rod. A rack is provided in the middle of the piston rod. The steering mechanism comprises a steering gear, a steering shaft and a steering wheel. A motor mechanism is provided on the steering shaft. A controller is connected to the motor mechanism. A vehicle speed sensor, a steering angle sensor and a torque sensor are connected to the controller. The utility model combines force feedback device and force and speed sensing control system, so that the operator can better control the steering control feeling and meet the actual use requirements.

[0004] However, the technical scheme does not have a signal conversion circuit, and cannot accurately convert the speed signal into an electrical signal that can be used to control the electronic damper. Its response speed is slow, precision is low and operation is not flexible. UTILITY MODEL CONTENTS

[0005] The utility model discloses a purpose is to the deficiency of prior art, provide vehicle steering electronic damper control system and the industrial vehicle of application of the system, through setting up signal processing module between the speed detection module with the damping control module, make speed signal can accurately and fast transmission and conversion can be used for the electric signal of control electronic damper, improved the response speed of signal, guaranteed the precision of damping adjustment, and then improved the operation safety and work efficiency of vehicle.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A vehicle steering electronic damper control system, comprising:

[0008] Speed detection module, install on the drive wheel of vehicle, for detecting the speed of drive wheel;

[0009] Signal processing module receives the speed signal of speed detection module, and calculates the damping value required;

[0010] Damping control module controls the size of damping according to the instruction of signal processing module;And

[0011] Damping adjustment module, set up in the damping control module inside for actual execution damping adjustment function.

[0012] Preferably, the damping adjustment module is provided with 14 damping intervals, including 7 different voltage values and 7 enable values.

[0013] Preferably, the speed detection module comprises: a speed sensor mounted on the axle of the drive wheel.

[0014] An industrial vehicle, comprising: the vehicle steering electronic damper control system, the vehicle body and the steering execution system for receiving the signal of the adjusted electronic damper.

[0015] Preferably, the steering execution system comprises: a drive power source arranged inside the vehicle body and an operating handle arranged at the output end of the drive power source, and the drive wheel is arranged directly below the operating handle.

[0016] Preferably, the damping adjustment module is arranged on the operating handle.

[0017] Preferably, the damping adjustment module comprises: an electronic damper.

[0018] Preferably, the damping control module is arranged between the operating handle and the drive wheel.

[0019] Preferably, the damping control module comprises: a controller arranged close to the outer wall of the vehicle body.

[0020] The utility model discloses the beneficial effect lies in:

[0021] (1) the utility model discloses the damping of different rotating speed is calibrated, and the damping adjustment module is provided with 14 damping intervals, including 7 different voltage values and 7 enable values, and formulating reasonable electronic damping parameter adjustment strategy, to realize the best steering control effect.

[0022] (2) the utility model discloses the real-time rotating speed signal of drive wheel according to electronic damper, the damping of damper is automatically adjusted through internal electronic control system, provides smaller damping when driving at low speed, so that the driver can flexibly control the vehicle, and provides larger damping when driving at high speed, thereby guaranteeing the driving stability and maneuverability of vehicle.

[0023] (3) the utility model discloses the change of damping output is monitored in real time and is fine-tuned, guarantees the smooth transition when switching in each interval, and the control system optimizes the response relationship between rotating speed signal and damping output, improves the control accuracy and comfort of industrial vehicle.

[0024] In conclusion, the utility model has the advantages of improving the control accuracy and stability of industrial vehicle, fast response speed, high precision and flexible operation. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the structure block diagram of vehicle steering electronic damper control system of the utility model embodiment one;

[0026] Figure 2 It is the voltage output curve diagram of electronic damper of the utility model embodiment one;

[0027] Figure 3 It is the overall structure schematic view of the utility model embodiment two;

[0028] Figure 4 It is the side view of the utility model embodiment two;

[0029] Figure 5 It is the control principle diagram of the utility model embodiment two. DETAILED DESCRIPTION

[0030] The technical scheme in the utility model embodiments will be described clearly and completely below in conjunction with the drawings in the utility model embodiments, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0032] Example 1

[0033] like Figures 1-5 As shown, this embodiment provides a vehicle steering electronic damper control system, including: a speed detection module 1, a signal processing module 2, a damping control module 3 and a damping adjustment module 31. The speed detection module 1 is installed on the driving wheel 41 of the vehicle 4 and is used to detect the speed of the driving wheel 41; the signal processing module 2 is used to receive the speed signal of the speed detection module 1 and calculate the required damping value; the damping control module 3 works on the principle of controlling the damping size according to the instructions of the signal processing module 2 and calculating the required damping value; the damping adjustment module 31 is arranged inside the damping control module 3 and is used to actually perform the damping adjustment function.

[0034] Among them, the damping size at different speeds is used for calibration. The damping adjustment module 31 is set with 14 damping intervals, including 7 different voltage values ​​and 7 enable values, to formulate a reasonable electronic damping parameter adjustment strategy to achieve the best steering control effect.

[0035] At the same time, through the 14-zone damping control design, it can adapt to different working conditions, including low-speed high flexibility, high-speed high stability and other requirements, so that it can be widely used in different operating scenarios of various types of industrial vehicles4, improving operational safety and efficiency.

[0036] In addition, the speed detection module 1 includes: a speed sensor 11, which is installed on one side of the driving wheel 41. A speed sensor 11 with high precision and strong reliability is selected and reasonably installed on the industrial vehicle 4 to ensure that the driving speed of the vehicle 4 can be accurately monitored.

[0037] Example 2

[0038] like Figures 1-5 As shown, the components identical or corresponding to those in the first embodiment are designated by the corresponding reference numerals in the first embodiment. For simplicity, only the differences from the first embodiment are described below. The second embodiment differs from the first embodiment in that:

[0039] This embodiment provides an industrial vehicle 4, comprising: a vehicle 4 steering electronic damper 311 control system as described in the first embodiment, a vehicle body 43, and a steering execution system 44 arranged on one side of the vehicle body 43 and used to receive the signal adjusted by the electronic damper 311.

[0040] The steering execution system 44 includes a driving power supply 441 disposed inside the vehicle body 43 and an operating handle 442 disposed at an output end of the driving power supply 441 . The driving wheel 41 is disposed directly below the operating handle 442 .

[0041] At the same time, the damping adjustment module 31 is provided on the operating handle 442 , and the damping adjustment module 31 includes: an electronic damper 311 .

[0042] In this embodiment, the damping control module 3 is provided between the operating handle 442 and the driving wheel 41. The damping control module 3 includes: a controller 32, which is provided close to the outer wall of the vehicle body 43.

[0043] In this embodiment, the driving power source 441 is preferably a power-assisting motor, which provides a specific reverse power-assisting torque according to the instruction of the ECU to improve the safety of the damping control function.

[0044] In this embodiment, the electronic damper 311 automatically adjusts the damping size of the damper through the internal electronic control system according to the real-time speed signal of the driving wheel 41, providing smaller damping when driving at low speed so that the driver can flexibly control the vehicle 4; and providing larger damping when driving at high speed, thereby ensuring the driving stability and controllability of the vehicle 4.

[0045] In this embodiment, an efficient and stable signal conversion circuit is designed to accurately convert the speed signal into an electrical signal that can be used to control the electronic damper 311 .

[0046] In this embodiment, a speed-damping mapping curve is designed so that the electronic damper 311 can dynamically switch the damping size according to the current speed of the vehicle 4. In different speed ranges, the hydraulic or electromagnetic damping adjustment module 31 is controlled by the voltage value and the enable signal, so that the damping output closely corresponds to the speed change, thereby improving the control response speed.

[0047] In the embodiment, according to the setting instruction of 14 intervals, the damping amount of the hydraulic or electromagnetic damping adjusting module 31 is controlled in real time, the synchronous response of the damping when the speed of the vehicle 4 changes is ensured, and the operation delay is reduced.

[0048] Of course, the output signal of the electronic damper 311 is fed back to the vehicle 4 control system, and is adjusted in real time during driving to ensure the stability of the system.

[0049] In addition, the utility model can monitor the change of damping output in real time and make fine adjustment, ensure the smooth transition when switching in each interval, and the control system optimizes the response relationship between the speed signal and the damping output, and improves the control accuracy and comfort of the industrial vehicle 4.

[0050] The working process of the embodiment is: first, start the vehicle 4, normally work, detect the speed signal through the speed sensor 11 and transmit it to the controller 32, the controller 32 calculates the voltage according to the speed, after calculation, the controller 32 outputs the voltage to the electronic damper 311 and feeds back to ensure the driving of the vehicle 4.

[0051] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A vehicle steering electronic damper control system, characterized in that: include: A speed detection module is installed on the driving wheel of the vehicle and is used to detect the speed of the driving wheel; The signal processing module receives the speed signal from the speed detection module and calculates the required damping value; The damping control module controls the damping size according to the instructions of the signal processing module; as well as The damping adjustment module is arranged inside the damping control module and is used to actually perform the damping adjustment function.

2. A vehicle steering electronic damper control system according to claim 1, characterized in that: The damping adjustment module is provided with 14 damping intervals, including 7 different voltage values ​​and 7 enable values.

3. The vehicle steering electronic damper control system according to claim 1, characterized in that: The rotation speed detection module includes a rotation speed sensor installed on one side of the driving wheel.

4. An industrial vehicle, characterized in that: include: A vehicle steering electronic damper control system, a vehicle body, and a steering execution system arranged on one side of the vehicle body as described in any one of claims 1 to 3.

5. An industrial vehicle according to claim 4, characterized in that: The steering execution system includes: a driving power supply arranged inside the vehicle body and an operating handle arranged at an output end of the driving power supply, and the driving wheel is arranged directly below the operating handle.

6. An industrial vehicle according to claim 5, characterized in that: The damping adjustment module is provided on the operating handle.

7. An industrial vehicle according to claim 6, characterized in that: The damping adjustment module includes: an electronic damper.

8. An industrial vehicle according to claim 5, characterized in that: The damping control module is arranged between the operating handle and the driving wheel.

9. An industrial vehicle according to claim 8, characterized in that: The damping control module includes a controller, which is arranged close to the outer wall of the vehicle body.

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