CN216033762U - Running control device of hydraulic chassis - Google Patents
Running control device of hydraulic chassis Download PDFInfo
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- CN216033762U CN216033762U CN202122373545.5U CN202122373545U CN216033762U CN 216033762 U CN216033762 U CN 216033762U CN 202122373545 U CN202122373545 U CN 202122373545U CN 216033762 U CN216033762 U CN 216033762U
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- hydraulic chassis
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- 230000000007 visual effect Effects 0.000 claims 1
- 230000004888 barrier function Effects 0.000 description 2
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- 230000007935 neutral effect Effects 0.000 description 2
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Abstract
The utility model discloses a running control device of a hydraulic chassis, which comprises a vehicle-mounted Electronic Control Unit (ECU), wherein the vehicle-mounted Electronic Control Unit (ECU) is respectively connected with a running control device, a braking device, a speed sensor and an electric control running system, and the braking device is provided with a displacement sensor; the front end and the rear end of the hydraulic chassis are respectively provided with an anti-collision module, and the anti-collision modules are connected with the electronic control unit through a CAN bus; the vehicle-mounted electronic control unit ECU acquires signals of the walking control device, judges the driving intention of a driver, sends corresponding signals to the electric control walking system and controls the running speed and direction of the hydraulic chassis; the vehicle-mounted electronic control unit ECU acquires the opening change of the displacement sensor, sends a corresponding signal to the electric control walking system and controls the running speed of the hydraulic chassis; the anti-collision module analyzes the distance and time of the obstacle, sends corresponding control signals to the electric control walking system and controls the running speed of the hydraulic chassis.
Description
Technical Field
The utility model relates to the technical field of vehicle chassis, in particular to a running control device of a hydraulic chassis.
Background
At present, the domestic known agricultural hydraulic chassis has a single running control mode, most of the agricultural hydraulic chassis can control the running direction, the speed and the parking through an operating handle, can not automatically decelerate or park according to the working condition, and does not accord with the driving habit of a driver. Although some hydraulic chassis are provided with a foot brake pedal to assist braking, most of the hydraulic chassis are switch type braking signals, the vehicle can be directly braked, certain impact is caused on the hydraulic chassis, some braking signals are stroke type braking signals, the hydraulic chassis cannot automatically recover to the original running speed in a slope mode after being braked, a driver needs to operate a handle to return to a middle position and then operates the handle again to control running, and operation is complex; and the part of the hydraulic chassis is not provided with an anti-collision module, so that the obstacle in the driving direction cannot be detected and identified in real time to actively decelerate or stop, and potential safety hazards and safety accidents caused by improper operation or untimely braking exist.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a running control device of a hydraulic chassis, which can realize emergency reversing parking, automatic obstacle identification and deceleration or parking.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a running control device of a hydraulic chassis comprises a vehicle-mounted Electronic Control Unit (ECU), wherein the vehicle-mounted Electronic Control Unit (ECU) is respectively connected with a running control device, a braking device, a speed sensor and an electric control running system, and the braking device is provided with a displacement sensor; and the front end and the rear end of the hydraulic chassis are respectively provided with an anti-collision module, and the anti-collision modules are connected with the electronic control unit through a CAN bus.
As a preferred technical scheme, the anti-collision module comprises a vision sensor and a distance sensor, and the distance sensor is a radar detector or an ultrasonic detector.
By adopting the technical scheme, the running control device of the hydraulic chassis comprises a vehicle-mounted Electronic Control Unit (ECU), wherein the vehicle-mounted Electronic Control Unit (ECU) is respectively connected with a running control device, a braking device, a speed sensor and an electric control running system, and the braking device is provided with a displacement sensor; the front end and the rear end of the hydraulic chassis are respectively provided with an anti-collision module, and the anti-collision modules are connected with the electronic control unit through a CAN bus; the utility model has the beneficial effects that: when a driver operates the walking control device, the vehicle-mounted electronic control unit ECU acquires signal changes of the walking control device, judges the driving intention of the driver, and then sends corresponding control signals to the electric control walking system so as to control the running speed and direction (forward/backward) of the hydraulic chassis; the displacement sensor is installed on the braking device, and when a driver steps on the braking device, the vehicle-mounted electronic control unit ECU acquires the opening change of the displacement sensor and sends a corresponding control signal to the electric control traveling system so as to control the traveling speed of the hydraulic chassis; the speed sensor detects the running speed of the hydraulic chassis in real time, and the vehicle-mounted electronic control unit ECU acquires signals of the speed sensor to acquire real-time vehicle speed; the anti-collision modules are installed at the front end and the rear end of the hydraulic chassis, the vehicle-mounted electronic control unit ECU analyzes and counts the distance and time of reaching the obstacle by collecting data obtained by the vehicle-mounted electronic control unit ECU, and sends corresponding control signals to the electric control walking system, so that the running speed of the hydraulic chassis is controlled.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a control flow diagram of an embodiment of the utility model.
Detailed Description
The utility model is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 and 2, a driving control device of a hydraulic chassis comprises a vehicle-mounted electronic control unit ECU, wherein the vehicle-mounted electronic control unit ECU is respectively connected with a driving control device, a braking device, a speed sensor and an electric control driving system, and the braking device is provided with a displacement sensor; the front end and the rear end of the hydraulic chassis are respectively provided with an anti-collision module, and the anti-collision modules are connected with the electronic control unit through a CAN bus; when a driver operates the walking control device, the vehicle-mounted electronic control unit ECU acquires signal changes of the walking control device, judges the driving intention of the driver, and then sends corresponding control signals to the electric control walking system so as to control the running speed and direction (forward/backward) of the hydraulic chassis; the displacement sensor is installed on the braking device, and when a driver steps on the braking device, the vehicle-mounted electronic control unit ECU acquires the opening change of the displacement sensor and sends a corresponding control signal to the electric control traveling system so as to control the traveling speed of the hydraulic chassis; the speed sensor detects the running speed of the hydraulic chassis in real time, and the vehicle-mounted electronic control unit ECU acquires signals of the speed sensor to acquire real-time vehicle speed; the anti-collision modules are installed at the front end and the rear end of the hydraulic chassis, the vehicle-mounted electronic control unit ECU analyzes and counts the distance and time of reaching the obstacle by collecting data obtained by the vehicle-mounted electronic control unit ECU, and sends corresponding control signals to the electric control walking system, so that the running speed of the hydraulic chassis is controlled.
As shown in fig. 1, the collision avoidance module includes a vision sensor and a distance sensor, and the distance sensor is a radar detector or an ultrasonic detector. The vision sensor obtains the most original image to be processed by the machine vision system, photographs of an obstacle and the like in front of the vehicle are shot, photograph information is transmitted to the vehicle-mounted electronic control unit ECU, the distance sensor is used for sensing the distance between the vehicle and the obstacle, signals are transmitted to the vehicle-mounted electronic control unit ECU, and the vehicle-mounted electronic control unit ECU analyzes, judges and executes the next operation. The distance sensor is commonly used by a radar detector or an ultrasonic detector, and a proper sensor is selected according to actual conditions.
The scheme of the embodiment of the utility model comprises the following steps:
the method comprises the following steps that firstly, an engine is started, a driver pushes the walking control device forwards or backwards, the vehicle-mounted electronic control unit ECU acquires signals of the walking control device, and corresponding control signals are sent to the electronic control walking system to control the forward or backward speed of the hydraulic chassis according to the forward or backward displacement of the walking control device. The driver can operate the walking control device to emergently reverse and stop, namely, the driver can operate the walking control device to pull from the forward position to the backward position to realize the emergency stop when the driver moves forward; the emergency stop can be realized when the walking control device is operated to be pulled to the forward position from the backward position;
step two, the anti-collision module starts to work, the obtained data are transmitted to the vehicle-mounted electronic control unit ECU, the vehicle-mounted electronic control unit ECU analyzes and counts the distance and the time of reaching the obstacle, and according to the vehicle speed detected in real time, an automatic braking instruction is sent out to reduce the vehicle speed; the closer to the barrier, the tighter the brake, and the hydraulic chassis is completely braked within 3 meters from the barrier, so that the vehicle is automatically stopped;
and step three, a driver steps on the braking device, and the vehicle-mounted electronic control unit ECU acquires the opening change of the displacement sensor on the braking device and sends a corresponding control signal to the electric control walking system so as to control the running speed of the hydraulic chassis. When the walking control device is in the neutral position, the driver releases the brake device, and the hydraulic chassis stops; when the walking control device is not in the neutral position, the driver releases the brake device, and the hydraulic chassis is restored to the speed before the driver steps on the brake device from the current speed slope.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (2)
1. A travel control device for a hydraulic chassis, characterized in that: the device comprises a vehicle-mounted electronic control unit ECU, wherein the vehicle-mounted electronic control unit ECU is respectively connected with a walking control device, a braking device, a speed sensor and an electric control walking system, and the braking device is provided with a displacement sensor; and the front end and the rear end of the hydraulic chassis are respectively provided with an anti-collision module, and the anti-collision modules are connected with the electronic control unit through a CAN bus.
2. A travel control device of a hydraulic chassis according to claim 1, characterized in that: the anti-collision module comprises a visual sensor and a distance sensor, and the distance sensor is a radar detector or an ultrasonic detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122373545.5U CN216033762U (en) | 2021-09-28 | 2021-09-28 | Running control device of hydraulic chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122373545.5U CN216033762U (en) | 2021-09-28 | 2021-09-28 | Running control device of hydraulic chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216033762U true CN216033762U (en) | 2022-03-15 |
Family
ID=80546796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122373545.5U Active CN216033762U (en) | 2021-09-28 | 2021-09-28 | Running control device of hydraulic chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216033762U (en) |
-
2021
- 2021-09-28 CN CN202122373545.5U patent/CN216033762U/en active Active
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Legal Events
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| TR01 | Transfer of patent right |
Effective date of registration: 20240424 Address after: 262300 Wuzheng Automobile City, Northern Economic Development Zone, Wulian County, Rizhao City, Shandong Province Patentee after: SHANDONG WUZHENG GROUP Co.,Ltd. Country or region after: China Patentee after: Xinjiang Wuzheng Green Agriculture Development Co.,Ltd. Address before: 262300 Wuzheng Automobile City, Northern Economic Development Zone, Wulian County, Rizhao City, Shandong Province Patentee before: SHANDONG WUZHENG GROUP Co.,Ltd. Country or region before: China |