CN218003964U

CN218003964U - Remote control system of loader

Info

Publication number: CN218003964U
Application number: CN202222276768.4U
Authority: CN
Inventors: 张建; 武香菊; 刘成全; 李啸林; 孙军; 高龙; 戚兴军
Original assignee: Shandong Lingong Construction Machinery Co Ltd
Current assignee: Shandong Lingong Construction Machinery Co Ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-09
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a loader remote control system, it belongs to engineering machine tool remote control system, and its remote control distance is unrestricted, and it is high to increase whole car remote control field of vision and remote control security through setting up the multiunit camera. It mainly includes electrical power generating system, on-vehicle system and operating system, electrical power generating system provides the entire system power, operating system includes the switch, the switch is connected with control center server and remote end controller respectively, control center server and display screen group link, remote end controller is connected with remote control seat platform, on-vehicle system includes on-vehicle end controller and on-vehicle data concentrator, on-vehicle data concentrator is connected with camera group and on-vehicle end controller respectively, camera group is connected with the adapter, on-vehicle end controller is connected with control system, on-vehicle end controller is connected with inclination sensor. The utility model discloses mainly used loader remote control.

Description

Remote control system of loader

Technical Field

The utility model relates to an engineering machine tool remote control system, specifically speaking especially relates to a loader remote control system.

Background

The loader is used as important equipment for infrastructure construction, and is widely applied to the fields of earthwork construction, water conservancy and hydropower construction, mine field energy development and the like. At present, the existing loader basically adopts a manual operation mode, so that the normal operation of operators can be influenced and even the health of the operators is damaged under certain special working conditions, such as high temperature, high risk and other severe environments.

The current common remote control system of the loader has the following defects: remote control is carried out in the sight distance, and the remote control distance is short; the visual field of the remote control system is not ideal to match with the whole vehicle.

Disclosure of Invention

The utility model aims at providing a loader remote control system, its remote control distance is unrestricted, through setting up multiunit camera and increaseing whole car remote control field of vision and remote control security height.

The utility model discloses a realize through following technical scheme:

the utility model provides a loader remote control system, includes electrical power generating system, on-vehicle system and operating system, electrical power generating system provides the entire system power, operating system includes the switch, the switch is connected with control center server and remote end controller respectively, control center server is connected with display screen group, remote end controller is connected with remote control seat platform, on-vehicle system includes on-vehicle end controller and on-vehicle data concentrator, on-vehicle data concentrator is connected with camera group and on-vehicle end controller respectively, camera group is connected with the adapter, on-vehicle end controller is connected with control system, on-vehicle data concentrator and switch pass through network terminal and connect, on-vehicle end controller is connected with inclination sensor.

Further, the display screen group comprises a display screen I, a display screen II and a display screen III, and the display screen I, the display screen II and the display screen III are respectively connected with the control center server through HDMI lines.

Furthermore, the control center server is provided with an expansion USB interface.

Furthermore, the remote control seat platform is connected with a remote end controller through a CAN bus.

Furthermore, the power supply system comprises a vehicle-mounted storage battery and a power supply module, the vehicle-mounted storage battery is respectively connected with the power supply module and the vehicle-mounted end controller, and the power supply module is respectively connected with the camera group and the vehicle-mounted data collector.

Furthermore, the camera group comprises a main front camera, a main rear camera I, a main rear camera II, a left side camera and a right side camera, wherein the main front camera 1 is connected with the sound pickup device to collect the audio information of the vehicle.

Furthermore, the main front camera is arranged in front of the cab and is forward in direction, and a main video image during operation and a forward direction image during driving are collected; the main rear camera I is arranged at the rear part in the cab, is backward in direction and collects backward direction images in driving; the main rear camera II is a wide-angle camera, is arranged at the rear of the upper side of the engine hood, is inclined backwards and downwards, and collects images at two sides of the counterweight of the vehicle to prevent collision; the left camera and the right camera are respectively installed on the left side and the right side of a ceiling outside a cab, are inclined downwards in an outward direction, and collect images of two sides of a vehicle during driving.

Further, the network terminal is a 5G terminal or a wireless local area network.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by using 5G communication, remote control operation can be realized, and the distance is unlimited; the wireless communication is used, and the method is suitable for areas which cannot be covered by a 5G network, such as mines.

2. The inclination angle sensor is used for detecting the inclination angle of the vehicle, judging the state of the vehicle in advance and ensuring the safety when remote control switching is carried out.

3. The camera is arranged at five positions of the loader, the visual field range is large, and the visual field requirement of most of operations is met.

Drawings

FIG. 1 is a schematic diagram of the structure of the on-board system of the present invention;

FIG. 2 is a schematic diagram of the operating system of the present invention;

FIG. 3 is a schematic view of the installation positions of the main front camera, the main rear camera and the main rear camera II of the present invention;

fig. 4 is a schematic view of the installation positions of the left side camera and the right side camera of the present invention;

fig. 5 is a communication networking diagram of the present invention;

fig. 6 is a flow chart of the communication network connection of the present invention;

fig. 7 is a flow chart of the switching of the remote control mode of the present invention.

In the figure: 1. a main front camera; 2. a main rear camera I; 3. a main rear camera II; 4. a left side camera; 5. and a right side camera.

Detailed Description

The invention will be further described and illustrated with reference to the accompanying drawings.

As shown in fig. 1-2, embodiment 1 is a remote control system for a loader, including a power supply system, a vehicle-mounted system, and an operating system, where the power supply system provides a power supply for the entire system, the operating system includes a switch, the switch is connected to a control center server and a remote end controller, the control center server is connected to a display screen group, the remote end controller is connected to a remote seat platform, the vehicle-mounted system includes a vehicle-mounted end controller and a vehicle-mounted data aggregator, the vehicle-mounted data aggregator is connected to a camera group and a vehicle-mounted end controller, the camera group is connected to the microphone, the vehicle-mounted end controller is connected to the control system, the vehicle-mounted data aggregator is connected to the switch through a network terminal, the vehicle-mounted end controller is connected to an inclination angle sensor, and the inclination angle sensor is used to detect an inclination angle of a vehicle, determine a state of the vehicle in advance, and ensure safety when performing remote control switching.

Embodiment 2, a loader remote control system, the display screen group includes a display screen i, a display screen ii and a display screen iii, the display screen i, the display screen ii and the display screen iii are respectively connected with a control center server through HDMI lines; the control center server is provided with an extended USB interface; the remote control seat platform is connected with a remote end controller through a CAN bus, the remote control seat platform comprises a switch group, a steering wheel, an action handle, an emergency stop button, a remote control seat, a brake pedal, an accelerator pedal, a switching power supply and other functions, the functional modules of the remote control seat platform are in the prior art, are assembled by referring to the layout structure of the driver cab of the original loader, simulate the operation environment of the driver cab and meet the requirement of human engineering; the power supply system comprises a vehicle-mounted storage battery and a power supply module, wherein the vehicle-mounted storage battery is respectively connected with the power supply module and the vehicle-mounted end controller, and the power supply module is respectively connected with the camera group and the vehicle-mounted data collector; the camera group comprises a main front camera 1, a main rear camera I2, a main rear camera II 3, a left side camera 4 and a right side camera 5, the main front camera 1 is connected with a sound pick-up and used for collecting vehicle audio information, and the mounting position of each camera is shown in figures 3-4; the network terminal is a 5G terminal or a wireless local area network; the control system comprises functions of an action system, a radar system, an engine control system, a gearbox control system, a steering system, a braking system and the like, the control system and the components thereof are in the prior art, and the working principle of the tilt angle sensor is in the prior art and is not described in detail; the main front camera 1 is arranged in the front of the cab, the direction is forward, and a main video image during operation and an image of the forward direction during driving are collected; the main rear camera I2 is arranged at the rear part in the cab, is backward in direction and collects backward direction images in driving; the main rear camera II 3 is a wide-angle camera, is arranged at the rear part of the upper side of the engine hood, is backwards and downwards inclined, and collects images at the two sides of the vehicle counterweight to prevent collision; the left camera 4 and the right camera 5 are respectively installed on the left and right sides of the ceiling outside the cab, and the left camera and the right camera are inclined outwards and downwards to collect images of the two sides of the vehicle during driving, and the rest is the same as that of the embodiment 1.

The three display screens are arranged right in front of the remote control seat platform and are horizontally arranged; the remote end controller receives an action signal of the remote control seat platform; the vehicle-mounted end controller is a core of a vehicle-mounted system, can receive a control instruction sent by an operating system, controls each vehicle-mounted system and executes related operation. Meanwhile, vehicle state information including a radar system and the like can be collected and fed back to the remote end operation platform.

As shown in fig. 5, the remote end controller is connected with the vehicle-mounted end controller through a 5G network, the remote end controller sends collected real-time action information of the remote control seat platform to the vehicle-mounted end controller, so as to control normal implementation of corresponding actions, and the vehicle-mounted end controller feeds back execution conditions of the actions to the remote end controller, thereby forming closed-loop control. The remote end controller is connected with the control center server through a local area network, and sends remote end state information such as an emergency stop state, a network state and the like to the control center server to be displayed on a corresponding display screen. The vehicle-mounted end controller is connected with the control center server through a 5G network, and sends vehicle state information such as vehicle speed, water temperature, oil level and the like to the control center server to be displayed on a corresponding display screen. The communication between the communication units is designed with heartbeat check and CRC check, and only the command passing the check can be executed.

As shown in fig. 6, the remote end controller, the control center server, and the vehicle-mounted end controller are three core controllers, which need to be respectively connected to each other via a network to perform communication based on a TCP/IP protocol, and are designed to monitor a network connection state and automatically reconnect to each other to ensure normal connection. When the signal is disconnected, the communication signal lamp of the operation end gives an alarm in red, the state of the whole vehicle is judged at the same time, if the whole vehicle is in an un-started state, the hand brake is pulled up, if the whole vehicle is in a started state, the hand brake is pulled up, the foot brake outputs the maximum output, and the engine is locked in an idling state.

As shown in fig. 7, the remote control loader can be driven remotely or normally locally, and the mode is switched by the remote control switch. And only if the vehicle end and the remote end are judged to be normal, the vehicle information is acquired through the inclination angle sensor, and if the vehicle stops on a slope and is subjected to parking braking, the remote control mode can be switched.

Claims

1. A loader remote control system comprises a power supply system, an on-board system and an operating system, and is characterized in that: the operating system comprises a switch, the switch is respectively connected with a control center server and a remote end controller, the control center server is connected with a display screen set, the remote end controller is connected with a remote control seat platform, the vehicle-mounted system comprises a vehicle-mounted end controller and a vehicle-mounted data concentrator, the vehicle-mounted data concentrator is respectively connected with a camera set and the vehicle-mounted end controller, the camera set is connected with a sound concentrator, the vehicle-mounted end controller is connected with the control system, the vehicle-mounted data concentrator is connected with the switch through a network terminal, and the vehicle-mounted end controller is connected with an inclination angle sensor.

2. The remote control system for a loader of claim 1, wherein: the display screen group comprises a display screen I, a display screen II and a display screen III, and the display screen I, the display screen II and the display screen III are respectively connected with the control center server through HDMI lines.

3. The remote control system for a loader of claim 1, wherein: the control center server is provided with an extended USB interface.

4. The remote control system for a loader of claim 1, wherein: the remote control seat platform is connected with the remote end controller through a CAN bus.

5. The remote control system for a loader of claim 1, wherein: the power supply system comprises a vehicle-mounted storage battery and a power supply module, wherein the vehicle-mounted storage battery is respectively connected with the power supply module and the vehicle-mounted end controller, and the power supply module is respectively connected with the camera group and the vehicle-mounted data concentrator.

6. The remote control system for a loader of claim 1, wherein: the camera group comprises a main front camera (1), a main rear camera I (2), a main rear camera II (3), a left side camera (4) and a right side camera (5), and the main front camera (1) is connected with the sound pick-up.

7. The remote control system for a loader of claim 6, wherein: the main front camera (1) is arranged in the front of the cab and is forward; the main rear camera I (2) is arranged at the rear part in the cab and is backwards oriented; the main rear camera II (3) is a wide-angle camera, is arranged at the rear of the upper side of the engine hood, and is inclined backwards and downwards; the left camera (4) and the right camera (5) are respectively arranged on the left and the right of a ceiling outside a cab and are inclined outwards and downwards.

8. The remote control system for a loader of claim 1, wherein: the network terminal is a 5G terminal or a wireless local area network.