CN112031063A - Remote control system and method for excavator - Google Patents
Remote control system and method for excavator Download PDFInfo
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- CN112031063A CN112031063A CN202010951332.3A CN202010951332A CN112031063A CN 112031063 A CN112031063 A CN 112031063A CN 202010951332 A CN202010951332 A CN 202010951332A CN 112031063 A CN112031063 A CN 112031063A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2025—Particular purposes of control systems not otherwise provided for
- E02F9/205—Remotely operated machines, e.g. unmanned vehicles
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
The invention provides a remote control system and a remote control method for an excavator, which comprise the following steps: the excavator comprises an excavator body and a flat trailer, wherein a subsidiary cab is arranged on the flat trailer, a main cab and a camera group are arranged on the excavator body, a first signal transmitter and a first code converter are arranged on the main cab, a second signal transmitter and a second code converter are arranged on the subsidiary cab, and a display screen is arranged in the subsidiary cab; the camera group collects image signals and sends the image signals to the second signal transmitter through the first signal transmitter; the second signal transmitter sends the image signal to the second transcoder, acquires an operation signal of a user, and sends the operation signal to the first signal transmitter so that the first signal transmitter sends the operation signal to the first transcoder; the first code converter converts the operation signal into a first electric signal and controls the excavator to execute corresponding operation according to the first electric signal; and the second transcoder converts the image signal into a second electric signal and sends the second electric signal to the display screen for display.
Description
Technical Field
The invention relates to the technical field of excavator control, in particular to a remote control system and a remote control method for an excavator.
Background
At present, an operator senses the change of the surrounding environment of the excavator and directly controls the excavator through an operation button in an excavator cab. However, under dangerous conditions (such as rescue and disaster relief, earth and stone operation, etc.), the excavator is controlled by an operator to operate, which may bring some potential safety hazards to the operator.
Disclosure of Invention
In view of this, the present invention provides a remote control system and method for an excavator, which can remotely control the excavator under dangerous conditions to ensure the life safety of operators.
In a first aspect, an embodiment of the present invention provides a remote control system for an excavator, including an excavator body and a flat trailer, where a secondary cab is disposed on the flat trailer, a main cab and a camera group are disposed on the excavator body, a first signal transmitter and a first code converter are disposed on the main cab, a second signal transmitter and a second code converter are disposed on the secondary cab, and a display screen is disposed inside the secondary cab;
the first signal transmitter is respectively connected with the camera group, the second signal transmitter and the first transcoder, and the second signal transmitter is connected with the second transcoder;
the camera group is used for collecting image signals and sending the image signals to the first signal transmitter;
the first signal transmitter is used for sending the image signal to the second signal transmitter;
the second signal transmitter is used for sending the image signal to the second transcoder, acquiring an operation signal of a user, and sending the operation signal to the first signal transmitter, so that the first signal transmitter sends the operation signal to the first transcoder;
the first code converter is used for converting the operation signal into a first electric signal and controlling the excavator to execute corresponding operation according to the first electric signal;
the second transcoder is used for converting the image signal into a second electric signal and sending the second electric signal to the display screen;
and the display screen is used for displaying the second electric signal.
Further, the first signal transmitter comprises a first router and a first receiver, the second signal transmitter comprises a second router and a second receiver, and the camera group comprises a main camera and a plurality of auxiliary cameras;
the first receiver is respectively connected with the first transcoder and the second router, and the second receiver is respectively connected with the first router and the second transcoder; the main camera and the plurality of auxiliary cameras are connected with the first router.
Further, the second electrical signal comprises a third electrical signal and a fourth electrical signal;
the main camera is used for acquiring a first image signal according to a rotating position and sending the first image signal to the first router;
the auxiliary camera is used for acquiring second image signals according to different directions and sending the second image signals to the first router;
the first router is configured to send the first image signal and the second image signal to the second receiver;
the second receiver is configured to receive the first image signal and the second image signal, and send the first image signal and the second image signal to the second transcoder;
the second transcoder is configured to convert the first image signal into the third electrical signal, and convert the second image signal into the fourth electrical signal;
and the display screen is used for displaying the third electric signal and/or the fourth electric signal.
Further, the display screen is provided with a screen splitter;
and the screen divider is used for displaying the third electric signal and the fourth electric signal in a screen dividing manner.
Furthermore, the main camera is arranged at the top of the main cab, and the auxiliary cameras are respectively arranged on the periphery of the excavator body.
Further, the second router is configured to acquire the operation signal and send the operation signal to the first receiver;
the first receiver is used for sending the operation signal to the first code converter;
and the first encoder is used for converting the operation signal into the first electric signal and controlling the excavator to execute corresponding operation according to the first electric signal.
Further, still include the battery, set up on the flatbed trailer for flatbed trailer provides the electric energy.
In a second aspect, an embodiment of the present invention provides a remote control method for an excavator, including the above remote control system for an excavator, where the remote control system for an excavator includes a camera group, a first signal transmitter, a first transcoder, a second signal transmitter, a second transcoder, and a display screen; the method comprises the following steps:
acquiring an image signal through the camera group, and sending the image signal to the first signal transmitter;
transmitting the image signal to the second signal transmitter through the first signal transmitter;
sending the image signal to the second transcoder through the second signal transmitter, acquiring an operation signal of a user, and sending the operation signal to the first signal transmitter so that the first signal transmitter sends the operation signal to the first transcoder;
converting the operation signal into a first electric signal through the first encoder, and controlling the excavator to execute corresponding operation according to the first electric signal;
converting the image signal into a second electric signal through the second transcoder, and sending the second electric signal to the display screen;
and displaying the second electric signal through the display screen.
In a third aspect, an embodiment of the present invention provides an electronic device, including a memory and a processor, where the memory stores a computer program operable on the processor, and the processor implements the method described above when executing the computer program.
In a fourth aspect, embodiments of the invention provide a computer readable medium having non-volatile program code executable by a processor, the program code causing the processor to perform the method as described above.
The embodiment of the invention provides a remote control system and a remote control method for an excavator, which comprise the following steps: the excavator comprises an excavator body and a flat trailer, wherein a subsidiary cab is arranged on the flat trailer, a main cab and a camera group are arranged on the excavator body, a first signal transmitter and a first code converter are arranged on the main cab, a second signal transmitter and a second code converter are arranged on the subsidiary cab, and a display screen is arranged in the subsidiary cab; the first signal transmitter is respectively connected with the camera group, the second signal transmitter and the first transcoder, and the second signal transmitter is connected with the second transcoder; the camera group is used for collecting image signals and sending the image signals to the first signal transmitter; the first signal transmitter is used for sending the image signal to the second signal transmitter; the second signal transmitter is used for sending the image signal to the second code converter, acquiring an operation signal of a user, and sending the operation signal to the first signal transmitter so that the first signal transmitter sends the operation signal to the first code converter; the first code converter is used for converting the operation signal into a first electric signal and controlling the excavator to execute corresponding operation according to the first electric signal; the second transcoder is used for converting the image signal into a second electric signal and sending the second electric signal to the display screen; the display screen is used for displaying a second electric signal, so that the excavator can be remotely controlled under dangerous working conditions, and the life safety of operators is guaranteed.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of a remote control system of an excavator according to a first embodiment of the present invention;
fig. 2 is a schematic view of a remote control system of another excavator according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of an excavator body according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of another excavator body according to the second embodiment of the present invention;
fig. 5 is a schematic structural view of a flatbed trailer according to a second embodiment of the present invention;
fig. 6 is a schematic structural view of another flatbed trailer according to a second embodiment of the present invention;
fig. 7 is a flowchart of a remote control method for an excavator according to a third embodiment of the present invention.
Icon:
1-a first signal transmitter; 2-a first transcoder; 3-a second signal transmitter; 4-a second transcoder; 5-camera group; 11-a first router; 12-a first receiver; 31-a second router; 32-a second receiver; 51-a first secondary camera; 52-a second secondary camera; 53-third sub-camera; 54-a fourth secondary camera; 55-main camera; 6-a display screen; 7-main cab display screen; 8-a storage battery; 9-platform trailer; 10-keyboard.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For the understanding of the present embodiment, the following detailed description will be given of the embodiment of the present invention.
The first embodiment is as follows:
fig. 1 is a schematic diagram of a remote control system of an excavator according to an embodiment of the present invention.
Referring to fig. 1, the system includes: the excavator comprises an excavator body and a flat trailer, wherein a subsidiary cab is arranged on the flat trailer, a main cab and a camera group 5 are arranged on the excavator body, a first signal transmitter 1 and a first code converter 2 are arranged on the main cab, a second signal transmitter 3 and a second code converter 4 are arranged on the subsidiary cab, and a display screen 6 is arranged in the subsidiary cab;
the first signal transmitter 1 is respectively connected with the camera group 5, the second signal transmitter 3 and the first transcoder 2, and the second signal transmitter 3 is connected with the second transcoder 4;
the camera group 5 is used for collecting image signals and sending the image signals to the first signal transmitter 1;
a first signal transmitter 1 for transmitting the image signal to a second signal transmitter 3;
a second signal transmitter 3 for transmitting the image signal to the second transcoder 4, and acquiring an operation signal of a user, and transmitting the operation signal to the first signal transmitter 1, so that the first signal transmitter 1 transmits the operation signal to the first transcoder 2;
the first code converter 2 is used for converting the operation signal into a first electric signal and controlling the excavator to execute corresponding operation according to the first electric signal;
a second transcoder 4 for converting the image signal into a second electrical signal and transmitting the second electrical signal to the display screen 6;
and the display screen 6 is used for displaying the second electric signal.
Generally, the operating personnel of the excavator can directly operate the excavator in the main cab, but aiming at dangerous working conditions, if the operating personnel directly operates, some potential safety hazards can be brought to the operating personnel. In the embodiment, the life safety of the operating personnel is guaranteed by remotely controlling the excavator. The method specifically comprises the following steps: a first signal transmitter 1 and a first code converter 2 are arranged on the main cab, a second signal transmitter 3 and a second code converter 4 are arranged on the auxiliary cab, and a display screen 6 is arranged inside the auxiliary cab; the camera group 5 collects image signals and sends the image signals to the first signal transmitter 1, the first signal transmitter 1 sends the image signals to the second signal transmitter 3, the second signal transmitter 3 sends the image signals to the second transcoder 4, the second transcoder 4 converts the image signals into second electrical signals and sends the second electrical signals to the display screen 6, and the display screen 6 displays the second electrical signals; when an operator clicks a button in a passenger compartment, an operation signal is generated, the second signal transmitter 3 transmits the operation signal to the first signal transmitter 1, the first signal transmitter 1 transmits the operation signal to the first transcoder 2, the first transcoder 2 converts the operation signal into a first electric signal, and the excavator is controlled to execute corresponding operation according to the first electric signal, so that the excavator is remotely controlled.
Example two:
fig. 2 is a schematic view of a remote control system of another excavator according to a second embodiment of the present invention.
Referring to fig. 2, the system includes: the excavator comprises an excavator body and a flat trailer, wherein a subsidiary cab is arranged on the flat trailer, a main cab and a camera group 5 are arranged on the excavator body, a first signal transmitter 1 and a first code converter 2 are arranged on the main cab, a second signal transmitter 3 and a second code converter 4 are arranged on the subsidiary cab, and a display screen 6 is arranged in the subsidiary cab;
the first signal transmitter 1 comprises a first router 11 and a first receiver 12, the second signal transmitter 3 comprises a second router 31 and a second receiver 32, and the camera group 5 comprises a main camera and a plurality of auxiliary cameras;
the first receiver 12 is connected with the first transcoder 2 and the second router 31 respectively, and the second receiver 32 is connected with the first router 11 and the second transcoder 4 respectively; the main camera and the plurality of sub-cameras are connected with the first router 11.
Further, the second electrical signal includes a third electrical signal and a fourth electrical signal;
the main camera is used for acquiring a first image signal according to the rotation position and sending the first image signal to the first router 11;
the auxiliary camera is used for acquiring second image signals according to different directions and sending the second image signals to the first router 11;
here, the main camera is a camera rotating by 360 degrees, and when the main camera rotates to different positions, first image signals of different directions are acquired. The auxiliary cameras are arranged at different positions of the excavator body respectively, and acquire second image signals according to different directions.
A first router 11 for transmitting the first image signal and the second image signal to a second receiver 32;
a second receiver 32 for receiving the first image signal and the second image signal and transmitting the first image signal and the second image signal to the second transcoder 4;
a second transcoder 4 for converting the first image signal into a third electrical signal and the second image signal into a fourth electrical signal;
and the display screen 6 is used for displaying the third electric signal and/or the fourth electric signal.
Specifically, the main camera collects a first image signal according to the rotation position, and the auxiliary camera collects a second image signal according to different directions; the first router 11 sends the first image signal and the second image signal to the second receiver 32; the second receiver 32 sends the first image signal and the second image signal to the second transcoder 4, and the second transcoder 4 converts the first image signal into a third electrical signal and converts the second image signal into a fourth electrical signal; when the second transcoder 4 sends the third electrical signal to the display screen 6, the display screen 6 displays the third electrical signal; when the second transcoder 4 sends the fourth electrical signal to the display screen 6, the display screen 6 displays the fourth electrical signal; when the second transcoder 4 simultaneously transmits the third electrical signal and the fourth electrical signal to the display screen 6, the display screen 6 simultaneously displays the third electrical signal and the fourth electrical signal through the screen splitter. The fourth electric signal is a plurality of paths of electric signals sent by the plurality of auxiliary cameras.
In addition, the first router 11 can transmit the first image signal and the second image signal without a network when transmitting them, because the signals of the base station may not be received due to the poor network of the remote area when the excavator works in the area, and thus the network-less transmission is realized by the first router 11.
Further, the display screen 6 is provided with a screen splitter;
and the screen splitter is used for displaying the third electric signal and the fourth electric signal in a split screen mode.
Here, when the second transcoder 4 simultaneously transmits the third electrical signal and the fourth electrical signal to the display screen 6, the display screen 6 simultaneously displays the third electrical signal and the fourth electrical signal through the screen splitter.
Furthermore, the main camera is arranged at the top of the main cab, and the auxiliary cameras are respectively arranged on the periphery of the excavator body.
Specifically, referring to fig. 3 and 4, the plurality of sub-cameras are respectively disposed around the excavator body, and the plurality of sub-cameras include a first sub-camera 51, a second sub-camera 52, a third sub-camera 53 and a fourth sub-camera 54, wherein the first sub-camera 51 is disposed on the left side of the top of the excavator body, the second sub-camera 52 is disposed on the right side of the top of the excavator body, the third sub-camera 53 is disposed in front of the top of the excavator body, and the fourth sub-camera 54 is disposed behind the top of the excavator body.
The main camera 55 is disposed on the top of the main cab. A main cab display screen 7 is provided inside the main cab. The top of the main cab is provided with a first router 11 and a first receiver 12.
Further, the second router 31 is configured to obtain an operation signal, and send the operation signal to the first receiver 12;
a first receiver 12 for transmitting an operation signal to the first transcoder 2;
and the first code converter 2 is used for converting the operation signal into a first electric signal and controlling the excavator to execute corresponding operation according to the first electric signal.
Specifically, in the secondary cab, by acquiring the operation signal, the operation signal is transmitted to the first receiver 12 in the primary cab, the first receiver 12 transmits the operation signal to the first transcoder 2, the first transcoder 2 converts the operation signal into a first electric signal, and remote control is performed on the excavator according to the first electric signal. When the operation signal is the pedal signal, the pedal signal is sent to the first receiver 12, the first receiver 12 sends the pedal signal to the first transcoder 2, and the first transcoder 2 converts the pedal signal into an electric signal and then controls the excavator to move.
Further, the electric vehicle further comprises a storage battery 8 which is arranged on the platform trailer 9 and used for providing electric energy for the platform trailer 9.
Referring to fig. 5 and 6, a passenger compartment is provided on the flatbed trailer 9. When the excavator carries out dangerous operating mode, flatbed trailer 9 can set up the place at certain distance from the excavator, carries out remote control to the excavator. The top of the auxiliary cab is provided with a second router 31 and a second receiver 32; the battery 8 is arranged on the platform trailer 9 and provides electric energy for the platform trailer 9.
A display screen 6 and a keyboard 10 are arranged in the passenger compartment, and an operator can control the platform trailer 9 to perform corresponding operations through the keyboard 10.
Example three:
fig. 7 is a flowchart of a remote control method for an excavator according to a third embodiment of the present invention.
Referring to fig. 7, the remote control system for the excavator, which is applied to the excavator as described above, includes a camera group, a first signal transmitter, a first transcoder, a second signal transmitter, a second transcoder and a display screen; the method comprises the following steps:
step S1, collecting image signals through the camera group and sending the image signals to the first signal transmitter;
step S2, sending the image signal to a second signal transmitter through a first signal transmitter;
step S3, sending the image signal to the second transcoder through the second signal transmitter, and acquiring the operation signal of the user, sending the operation signal to the first signal transmitter, so that the first signal transmitter sends the operation signal to the first transcoder;
step S4, converting the operation signal into a first electric signal through a first transcoder, and controlling the excavator to execute corresponding operation according to the first electric signal;
step S5, converting the image signal into a second electric signal through a second transcoder, and sending the second electric signal to a display screen;
and step S6, displaying the second electric signal through the display screen.
The embodiment of the invention provides a remote control method of an excavator, which comprises the following steps: collecting image signals through a camera group, and sending the image signals to a first signal transmitter; transmitting the image signal to a second signal transmitter through a first signal transmitter; sending the image signal to a second transcoder through a second signal transmitter, acquiring an operation signal of a user, and sending the operation signal to a first signal transmitter so that the first signal transmitter sends the operation signal to the first transcoder; converting the operation signal into a first electric signal through a first transcoder, and controlling the excavator to execute corresponding operation according to the first electric signal; converting the image signal into a second electric signal through a second transcoder, and sending the second electric signal to a display screen; the second electric signal is displayed through the display screen, so that the excavator can be remotely controlled under dangerous working conditions, and the life safety of operators is guaranteed.
The embodiment of the invention further provides an electronic device, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the steps of the remote control method of the excavator provided by the embodiment are realized when the processor executes the computer program.
The embodiment of the present invention further provides a computer readable medium having non-volatile program codes executable by a processor, where the computer readable medium stores a computer program, and the computer program is executed by the processor to perform the steps of the remote control method of the excavator according to the above-mentioned embodiment.
The computer program product provided in the embodiment of the present invention includes a computer-readable storage medium storing a program code, where instructions included in the program code may be used to execute the method described in the foregoing method embodiment, and specific implementation may refer to the method embodiment, which is not described herein again.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The remote control system of the excavator is characterized by comprising an excavator body and a flat trailer, wherein a secondary cab is arranged on the flat trailer, a main cab and a camera group are arranged on the excavator body, a first signal transmitter and a first code converter are arranged on the main cab, a second signal transmitter and a second code converter are arranged on the secondary cab, and a display screen is arranged inside the secondary cab;
the first signal transmitter is respectively connected with the camera group, the second signal transmitter and the first transcoder, and the second signal transmitter is connected with the second transcoder;
the camera group is used for collecting image signals and sending the image signals to the first signal transmitter;
the first signal transmitter is used for sending the image signal to the second signal transmitter;
the second signal transmitter is used for sending the image signal to the second transcoder, acquiring an operation signal of a user, and sending the operation signal to the first signal transmitter, so that the first signal transmitter sends the operation signal to the first transcoder;
the first code converter is used for converting the operation signal into a first electric signal and controlling the excavator to execute corresponding operation according to the first electric signal;
the second transcoder is used for converting the image signal into a second electric signal and sending the second electric signal to the display screen;
and the display screen is used for displaying the second electric signal.
2. The remote control system of the excavator of claim 1 wherein the first signal transmitter comprises a first router and a first receiver, the second signal transmitter comprises a second router and a second receiver, and the camera group comprises a main camera and a plurality of sub-cameras;
the first receiver is respectively connected with the first transcoder and the second router, and the second receiver is respectively connected with the first router and the second transcoder; the main camera and the plurality of auxiliary cameras are connected with the first router.
3. The remote control system of the excavator of claim 2 wherein the second electrical signal comprises a third electrical signal and a fourth electrical signal;
the main camera is used for acquiring a first image signal according to a rotating position and sending the first image signal to the first router;
the auxiliary camera is used for acquiring second image signals according to different directions and sending the second image signals to the first router;
the first router is configured to send the first image signal and the second image signal to the second receiver;
the second receiver is configured to receive the first image signal and the second image signal, and send the first image signal and the second image signal to the second transcoder;
the second transcoder is configured to convert the first image signal into the third electrical signal, and convert the second image signal into the fourth electrical signal;
and the display screen is used for displaying the third electric signal and/or the fourth electric signal.
4. The remote control system of an excavator according to claim 3 wherein the display screen is provided with a screen splitter;
and the screen divider is used for displaying the third electric signal and the fourth electric signal in a screen dividing manner.
5. The remote control system of an excavator according to claim 2 wherein the main camera is disposed at the top of the main cab and the plurality of sub cameras are disposed around the excavator body, respectively.
6. The remote control system of the excavator according to claim 2, wherein the second router is configured to acquire the operation signal and transmit the operation signal to the first receiver;
the first receiver is used for sending the operation signal to the first code converter;
and the first encoder is used for converting the operation signal into the first electric signal and controlling the excavator to execute corresponding operation according to the first electric signal.
7. The remote control system of the excavator of claim 1 further comprising a battery disposed on the flatbed trailer for providing power to the flatbed trailer.
8. A remote control method of an excavator, comprising the remote control system of an excavator according to any one of claims 1 to 7, wherein the remote control system of an excavator comprises a camera group, a first signal transmitter, a first transcoder, a second signal transmitter, a second transcoder and a display screen; the method comprises the following steps:
acquiring an image signal through the camera group, and sending the image signal to the first signal transmitter;
transmitting the image signal to the second signal transmitter through the first signal transmitter;
sending the image signal to the second transcoder through the second signal transmitter, acquiring an operation signal of a user, and sending the operation signal to the first signal transmitter so that the first signal transmitter sends the operation signal to the first transcoder;
converting the operation signal into a first electric signal through the first encoder, and controlling the excavator to execute corresponding operation according to the first electric signal;
converting the image signal into a second electric signal through the second transcoder, and sending the second electric signal to the display screen;
and displaying the second electric signal through the display screen.
9. An electronic device comprising a memory and a processor, the memory having stored thereon a computer program operable on the processor, wherein the processor implements the method of claim 8 when executing the computer program.
10. A computer-readable medium having non-volatile program code executable by a processor, the program code causing the processor to perform the method of claim 8.
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| CN202010951332.3A CN112031063A (en) | 2020-09-10 | 2020-09-10 | Remote control system and method for excavator |
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| CN202010951332.3A CN112031063A (en) | 2020-09-10 | 2020-09-10 | Remote control system and method for excavator |
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| CN108643274A (en) * | 2018-05-07 | 2018-10-12 | 集美大学 | Excavator remote intelligent control system |
| CN110418215A (en) * | 2019-08-23 | 2019-11-05 | 山东临工工程机械有限公司 | A kind of excavator tele-control system and excavator |
| CN110805079A (en) * | 2019-11-15 | 2020-02-18 | 徐州康博智能控制仪表有限公司 | Excavator remote operation system based on VR technology |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1275814A (en) * | 1968-11-06 | 1972-05-24 | Bosch Gmbh Robert | Improvements relating to the control of electrohydraulic remote-controlled appliances |
| JPS59134237A (en) * | 1983-01-08 | 1984-08-01 | フリ−ドリツヒ・ウイルヘルム・シユブイング・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Remote controller for construction machine |
| JPH04202918A (en) * | 1990-11-29 | 1992-07-23 | Shin Caterpillar Mitsubishi Ltd | Wired and wireless double purpose remote control device |
| US5941361A (en) * | 1997-10-31 | 1999-08-24 | Caterpillar Inc. | Remote creeper speed control |
| CN101290519A (en) * | 2008-03-27 | 2008-10-22 | 上海交通大学 | Small-sized chevron-shape emulated soccer ball robot remote monitering system based on 3G network |
| CN104210946A (en) * | 2014-08-01 | 2014-12-17 | 青岛盛嘉信息科技有限公司 | Aloft work control method |
| CN108643274A (en) * | 2018-05-07 | 2018-10-12 | 集美大学 | Excavator remote intelligent control system |
| CN110418215A (en) * | 2019-08-23 | 2019-11-05 | 山东临工工程机械有限公司 | A kind of excavator tele-control system and excavator |
| CN110805079A (en) * | 2019-11-15 | 2020-02-18 | 徐州康博智能控制仪表有限公司 | Excavator remote operation system based on VR technology |
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