CN219547902U

CN219547902U - Remote control system of excavator

Info

Publication number: CN219547902U
Application number: CN202320638975.1U
Authority: CN
Inventors: 张建; 刘成全; 高龙; 张强; 胡悦; 阚京龙
Original assignee: Shandong Lingong Construction Machinery Co Ltd
Current assignee: Shandong Lingong Construction Machinery Co Ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-18
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a remote control system of an excavator, which belongs to the field of remote control of the excavator and solves the problem that the excavator in the prior art is single in remote control module and cannot adapt to various working conditions. The remote control module is connected with the vehicle-mounted module, the remote control module comprises a handheld module and a network module, the network module comprises a switch, a 5G module and a network bridge module, and the switch is connected with the 5G module and the network bridge module; the vehicle-mounted module comprises a data collector connected with a CAN conversion gateway, the CAN conversion gateway is connected with a VECU controller, the CAN conversion gateway is connected with the VECU controller, and the VECU controller is connected with a module switching circuit. The utility model adopts the compatibility of the handheld remote control and the network module, can adapt to different working conditions, adopts the module switching circuit, realizes mutual exclusion of the 5G and the image transmission system, and prevents mutual interference when two networks work simultaneously.

Description

Remote control system of excavator

Technical Field

The utility model relates to a remote control system, in particular to a remote control system for an excavator.

Background

Engineering machinery (loader and excavator) is widely used as important equipment for infrastructure construction in the fields of earth and stone construction, water conservancy and hydropower construction, mining energy development and the like. At present, the existing engineering vehicle basically adopts a manual operation mode, so that under the condition of severe environments such as high temperature, high risk and the like, the normal operation of operators can be influenced, and even the health of the operators is damaged.

In the prior art, an excavator remote control system is also developed, but the remote control module is single, and only a hand-held remote controller is used; some of the remote control devices are provided with network modules, but the working condition adaptability is poor, and the remote control devices can only realize remote control under the working condition with signal coverage;

at present, an excavator remote control system with stronger adaptability to working conditions is lacking.

Disclosure of Invention

The utility model aims to provide a remote control system for an excavator, which aims to solve the problem that the excavator in the prior art is single in remote control module and cannot adapt to various working conditions.

The utility model is realized by the following technical scheme:

the remote control system of the excavator comprises a remote control module and a vehicle-mounted module, wherein the remote control module is connected with the vehicle-mounted module, the remote control module comprises a handheld module and a remote module, the remote module comprises a switch, a 5G module and a network bridge module, and the switch is respectively connected with the 5G module and the network bridge module; the vehicle-mounted module comprises a vehicle-mounted data collector, wherein the vehicle-mounted data collector is connected with a VECU controller, and the VECU controller is connected with a module switching circuit.

Further, the module switching circuit comprises a module selection switch SW and a relay RE, the module selection switch SW is electrically connected with a VECU controller, the VECU controller is respectively connected with an IECU system and the relay RE, the relay RE is electrically connected with a 5G module and a network bridge module, the relay RE is controlled to be attracted through the VECU, and then the 5G module or the network bridge module is controlled to be electrified, so that network switching is realized; the module switching circuit realizes the switching of four modules, namely a local driving module, a handheld remote control module, a 5G module and a network bridge module.

Further, the module selection switch SW is provided with three gears, and the three gears respectively correspond to the local driving module, the handheld module and the remote module.

Further, the vehicle-mounted data collector is connected with the VECU controller through a CAN-to-Ethernet module, and the CAN is short for a controller area network (Controller Area Network, CAN).

Further, the handheld module comprises a remote controller and a transmitter, and the transmitter is connected and matched with the receiver; the network bridge remote control comprises a wireless network bridge I and a wireless network bridge II, wherein the wireless network bridge I is matched with the wireless network bridge II; the 5G module comprises a 5G terminal I, a 5G terminal II and a 5G base station, wherein the 5G terminal I, the 5G terminal II and the 5G base station are mutually matched; the wireless bridge II, the receiver and the 5G terminal II are respectively connected with the vehicle-mounted data collector.

Further, the remote controller comprises an action acquisition unit and a signal emission unit, wherein the signal acquisition unit comprises a handle, a switch and a processor; the function is to collect the operator's work intents.

Further, the vehicle-mounted data collector is connected with the vehicle-mounted camera, and video signals collected by the vehicle-mounted camera are reversely transmitted to the video display module of the remote control cabin, so that remote presentation of the operation environment is realized.

Further, the switch is connected with a remote control bin, and the remote control bin comprises a video display module and an information acquisition module.

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

the utility model adopts the compatibility of the handheld mode and the network module, can adapt to different working conditions, adopts the module switching circuit, realizes mutual exclusion of the 5G and the network bridge module, and prevents mutual interference when two networks work simultaneously.

Drawings

FIG. 1 is a schematic diagram of a system connection of the present utility model;

FIG. 2 is a block diagram of the present utility model;

fig. 3 is a block diagram of a remote control module of the present utility model.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Embodiment 1, a remote control system of an excavator, as shown in fig. 1, includes a remote control module and a vehicle-mounted module, wherein the remote control module is connected with the vehicle-mounted module, as shown in fig. 3, the remote control module includes a handheld module and a remote module, the remote module includes a switch, a 5G module and a bridge module, and the switch is respectively connected with the 5G module and the bridge module; the vehicle-mounted module comprises a vehicle-mounted data collector, the vehicle-mounted data collector is connected with a VECU controller, and the VECU controller is connected with a module switching circuit. The utility model adopts the compatibility of the hand mode and the network module, can adapt to different working conditions, adopts the module switching circuit, realizes mutual exclusion of the 5G system and the network bridge system, and prevents two networks from working simultaneously and interfering each other.

In embodiment 2, as shown in fig. 2, the module switching circuit includes a module selection switch SW and a relay RE, where the module selection switch SW is electrically connected to a VECU controller, the VECU controller is respectively connected to an IECU system and the relay RE, and the relay RE is electrically connected to a 5G module and a bridge module; three gears are arranged on the module selection switch SW, and the three gears correspond to the local driving module, the handheld module and the remote module respectively; the conversion gateway adopts a CAN-to-Ethernet module; the handheld module comprises a remote controller and a transmitter, and the transmitter is matched with the receiver; the network bridge remote control comprises a wireless network bridge I and a wireless network bridge II, wherein the wireless network bridge I is matched with the wireless network bridge II, and the wireless network bridge II, the receiver and the 5G terminal II are respectively connected with the vehicle-mounted data collector; the 5G module comprises a 5G terminal I, a 5G terminal II and a 5G base station, wherein the 5G terminal I, the 5G terminal II and the 5G base station are mutually matched; the vehicle-mounted data collector is connected with the vehicle-mounted camera; the switch is connected with a remote control bin, and the remote control bin comprises a video display module and an information acquisition module; the other steps are the same as in example 1.

The excavator remote control system comprises a handheld module and a remote module, wherein the remote module can select a 5G network or a network bridge network.

The handheld module comprises a handheld remote controller and a remote control signal receiver arranged on the vehicle. The hand-hold consists of an action acquisition unit and a signal transmitting unit; the signal acquisition unit comprises a handle, a switch, a controller and related circuits, and is used for collecting the operation intention of an operator; the signal transmitting unit converts the acquired signals into wireless signals and transmits the wireless signals to a signal receiver at the vehicle end through an antenna. The signal receiver is connected with the vehicle-mounted collector through a network cable, receives signals sent by the transmitter and converts the signals into network signals; the CAN signal is converted into a CAN signal through the CAN-Ethernet module and is transmitted to the complete machine controller VECU, and the complete machine controller VECU realizes the control of the vehicle action based on the received remote controller signal. The VECU has the functions of power relay management, vehicle speed limiting, electronic throttle management, cruise control, low idle speed and fast idle speed regulation, engine protection and the like.

The information acquisition module in the remote control cabin acquires an operator instruction, and the operator instruction is transmitted to the VECU controller through the switch, the wireless network bridge or the 5G terminal, the vehicle-mounted collector and the CAN-Ethernet module to realize vehicle control. The video signals collected by the vehicle-mounted camera are reversed to the video display module, so that remote presentation of the working environment is realized.

The module switching circuit realizes the switching of four modules, namely a local driving module, a handheld module, a 5G module and a network bridge module. The module selection switch SW is arranged on the excavator and is a three-gear switch, and corresponds to the local driving module, the handheld module and the remote module respectively. The network switching interface is arranged in the vehicle-mounted display IECU, so that a network can be selected, and the relay RE is controlled to be attracted through the VECU, so that the 5G module or the network bridge module is controlled to be electrified, and network switching is realized.

The handheld remote control module generally applies remote control operation within the sight distance, the operation distance is within 100m, the 5G remote control module is generally applied to remote control operation beyond the sight distance, the network bridge module is complementary to the 5G module, and when no 5G signal is covered or the 5G signal is poor, the network bridge module is used for replacing operation.

Claims

1. The utility model provides an excavator remote control system, includes remote control module and on-vehicle module, and remote control module is connected its characterized in that with on-vehicle module: the remote control module comprises a handheld module and a remote module, wherein the remote module comprises a switch, a 5G module and a network bridge module, and the switch is respectively connected with the 5G module and the network bridge module; the vehicle-mounted module comprises a vehicle-mounted data collector, wherein the vehicle-mounted data collector is connected with a VECU controller, and the VECU controller is connected with a module switching circuit.

2. The remote control system of an excavator of claim 1 wherein: the module switching circuit comprises a module selection switch SW and a relay RE, wherein the module selection switch SW is electrically connected with a VECU controller, the VECU controller is respectively connected with an IECU system and the relay RE, and the relay RE is electrically connected with a 5G module and a network bridge module.

3. The remote control system of an excavator according to claim 2, wherein: the module selection switch SW is provided with three gears which respectively correspond to the local driving module, the handheld module and the remote module.

4. The remote control system of an excavator of claim 1 wherein: the vehicle-mounted data collector is connected with the VECU controller through the CAN-to-Ethernet module.

5. The remote control system of an excavator of claim 1 wherein: the handheld module comprises a remote controller and a transmitter, and the transmitter is connected and matched with the receiver; the network bridge module comprises a wireless network bridge I and a wireless network bridge II, wherein the wireless network bridge I is matched with the wireless network bridge II; the 5G module comprises a 5G terminal I, a 5G terminal II and a 5G base station, wherein the 5G terminal I, the 5G terminal II and the 5G base station are mutually matched; the wireless bridge II, the receiver and the 5G terminal II are respectively connected with the vehicle-mounted data collector.

6. The remote control system of an excavator of claim 5 wherein: the remote controller comprises an action acquisition unit and a signal transmitting unit, wherein the signal acquisition unit comprises a handle, a switch and a processor.

7. The remote control system of an excavator of claim 4 wherein: and the vehicle-mounted data collector is connected with the vehicle-mounted camera.

8. The remote control system of an excavator of claim 1 wherein: the switch is connected with a remote control bin.