Remote video monitoring system of bulldozer

Abstract

The utility model discloses a remote video monitoring system of a bulldozer, which comprises a remote driving monitoring room, an external private network base band, a bulldozer video acquisition unit and a data transmission unit, the external private network base band utilizes double antennas for transmission, and video signals of the bulldozer video acquisition unit are transmitted and received through a local area network; the bulldozer video acquisition unit is used for acquiring working environment images in multiple paths, and the data transmission unit is used for performing ultra-low delay coding processing on video signals of the bulldozer video acquisition unit and converting the video signals into wireless remote transmission data for transmission. According to the remote video monitoring system of the bulldozer, video monitoring under remote operation of the bulldozer is realized, video monitoring delay is greatly reduced on the basis of video quality completeness, meanwhile, a 360-degree all-round viewing effect is realized by adopting reasonable arrangement and combination of multiple cameras, and the real working viewing angle of a driver is restored.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering machinery technical field, specifically a kind of remote video monitoring system of push harrow machine. BACKGROUND

[0002] Push harrow machine is the equipment necessary for ship bulk cargo to carry out cleaning operation, improve ship turnover rate, is widely used in cleaning and other operations in large and medium-sized freight wharf, mine, power plant cleaning and repair, is one of the most widely used operation machinery for ship bulk cargo cleaning operation, plays an important role in mechanized construction of engineering construction.

[0003] Since the working conditions of push harrow machine are mostly in poor environment, long-term work is not conducive to the personal safety of operators, and push harrow machines at home and abroad gradually transform to remote operation and autonomous operation, so low-delay video monitoring of working environment of push harrow machine in remote operation process is essential. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the above problems or at least partially solving the above problems, and proposes a kind of remote video monitoring system of push harrow machine.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of remote video monitoring system of push harrow machine, including remote driving monitoring room, external special network baseband, push harrow machine video acquisition unit and data transmission unit, the external special network baseband utilizes double antenna transmission, and the video signal of push harrow machine video acquisition unit is transmitted and received by local area network, the push harrow machine video acquisition unit is used to multi-channel acquisition working environment image, the data transmission unit unit is used to the video signal of push harrow machine video acquisition unit is ultra-low delay coding processing, and is converted into wireless long-distance transmission data and is transmitted.

[0006] In a preferred embodiment, the push harrow machine video acquisition unit includes six cameras installed on the push harrow machine for collecting 360-degree complete working environment images.

[0007] In a preferred embodiment, four of the six cameras are SDI industrial cameras for collecting 360-degree all-around view effect when the driver operates.

[0008] In a preferred embodiment, one of the six cameras is a panoramic camera for panoramic video acquisition splicing.

[0009] In a preferred embodiment, one of the six cameras is an AHD industrial camera for assisting the driver to observe the accumulation of the number of materials inside the scraper.

[0010] In a preferred embodiment, the data transmission unit comprises an ultra-low delay coding unit installed on the pusher machine and electrically connected with the six-way camera, for performing ultra-low delay coding processing on the input six-way video signal, packing and integrating the six-way signal into one way for subsequent transmission.

[0011] In a preferred embodiment, the data transmission unit further comprises a data conversion unit installed on the pusher machine and electrically connected with the ultra-low delay coding unit, for converting the video data into wireless long-distance transmission data for local area network long-distance transmission.

[0012] In a preferred embodiment, the remote driving monitoring room is provided with an optical-electric conversion unit and a wired optical fiber connected with an external private network base station, for extending the transmission distance of the video signal in the room.

[0013] In a preferred embodiment, the remote driving monitoring room is further provided with a data conversion unit and an ultra-low delay decoding unit, the data conversion unit is used for converting the received data into decodable video data, and the ultra-low delay decoding unit has extremely strong video decoding computing power and can restore the video data to displayable video in a very short time.

[0014] In a preferred embodiment, the remote driving monitoring room is further provided with a display for displaying the monitoring video, and the monitoring picture can be switched and combined.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The utility model realizes the video monitoring of the pusher machine remote operation, provides the real work visual field for the operator of the remote driving room, and provides the work efficiency and work quality of the pusher machine remote operation work;

[0017] 2. The utility model realizes the pusher machine remote real-time video monitoring, and the whole video delay is controlled at about 200ms by the ultra-low delay coding and decoding technology and the private network base station wireless transmission technology, meeting the industrial requirements of the pusher machine remote control;

[0018] 3. The utility model realizes the multi-way video signal self-defined splicing, can switch different video signals in the control room, can complete the combination of multi-way video signals, simulates the human eye visual angle when the pusher machine works, and provides multiple visual angle choices for the operator.

[0019] In summary, the utility model realizes the video monitoring under the pusher machine remote operation, greatly reduces the video monitoring delay on the basis of complete video quality, simultaneously adopts the reasonable arrangement and combination of the multi-way camera to realize the 360-degree ring view effect and restores the real work visual angle of the driver. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The module diagram of the whole system of the utility model;

[0021] Figure 2 The multi-path camera layout schematic diagram of the harrow machine of the utility model;

[0022] Figure 3 The remote video monitoring layout schematic diagram of the harrow machine of the utility model; DETAILED DESCRIPTION

[0023] The utility model will be further explained in detail in combination with the drawings.

[0024] The embodiment is only an explanation of the utility model, and it is not a limitation of the utility model, and the person skilled in the art can make creative contribution modification according to the needs after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

[0025] The utility model discloses a remote video monitoring system of harrow machine, solve the technical problem in the prior art, the general idea is as follows:

[0026] Embodiment one:

[0027] Please refer to Figure 1 A remote video monitoring system of harrow machine, including remote driving monitoring room, external special network baseband, harrow machine video acquisition unit and data transmission unit, external special network baseband utilizes double antenna transmission, and the video signal of harrow machine video acquisition unit is transmitted and received through local area network, and harrow machine video acquisition unit is used for multi-path acquisition working environment image, and data transmission unit unit is used for the video signal of harrow machine video acquisition unit is processed with ultra-low delay coding, and is converted into wireless long-distance transmission data and is transmitted.

[0028] When being specifically implemented, the harrow machine video acquisition unit includes six cameras installed on the harrow machine, which are used to collect 360-degree complete working environment images.

[0029] When being specifically implemented, four of the six cameras are SDI industrial cameras, which are used to collect 360-degree all-around view effect when the driver operates, and the output pixel is 1080P, and the camera is provided with military-grade energy-saving LED infrared lamp and IR-CUT automatic switching color-to-black function, has the characteristics of high pixel, high frame rate and high quality, and can meet the video acquisition task of the harrow machine in the cabin and other harsh environments.

[0030] When being specifically implemented, one of the six cameras is a panoramic camera, which is used for panoramic video acquisition splicing.

[0031] In specific implementation, one of the six cameras is an AHD industrial camera, which is used to assist the driver to observe the amount of material accumulated inside the scraper.

[0032] The six-camera design described above is adopted, including four SDI interface industrial cameras, one 360-degree surround-view camera, and one AHD industrial camera. The positions of the six cameras on the harrow machine are distributed reasonably by calculating the field of view of the cameras, and the working videos in front, behind, left and right of the harrow machine, the 360-degree panoramic surround-view spliced video, and the harrow bucket angle working video are collected respectively.

[0033] In specific implementation, the data transmission unit includes an ultra-low delay encoding unit installed on the harrow machine and electrically connected with the six cameras, which is used to perform ultra-low delay encoding processing on the input six-channel video signals, package and integrate the six-channel signals into one channel, and facilitate subsequent long-distance wireless transmission.

[0034] In specific implementation, the data transmission unit further includes a data conversion unit installed on the harrow machine, which is electrically connected with the ultra-low delay encoding unit, converts the video data into wireless long-distance transmission data, and is used for local area network long-distance transmission.

[0035] In specific implementation, the external private network base station adopts a dual-antenna MIMO technology, utilizes the diversity gain of multiple antenna reception to reduce the influence of channel fading, reduces the packet loss rate of transmission in the external field environment of ship cabin, wharf and other multi-metal interference signals, improves the signal strength, and reduces the delay of video transmission.

[0036] The working frequency of the wireless private network base station is 1.4 GHz, the carrier modulation is TDD and OFDM, the working bandwidth is 5-10M, and the straight-line transmission distance can reach 1km. According to the actual working condition requirement, the transmission distance can be extended.

[0037] Further, with reference to Figure 1 , the remote driving monitoring room includes a display screen, an ultra-low delay decoding unit, a data conversion unit, an optoelectronic conversion unit, and a wired optical fiber.

[0038] In specific implementation, the optoelectronic conversion unit and the wired optical fiber are arranged in the remote driving monitoring room and electrically connected with the external private network base station, which is used to extend the transmission distance of the video signal in the room; the optoelectronic conversion unit is electrically connected with the wired optical fiber, converts the electrical signal into an optical fiber signal through the optoelectronic conversion unit, which is used for long-distance wireless transmission; the wired optical fiber is used to extend the communication distance of the optoelectronic conversion unit in the room, and two optoelectronic conversion units are connected through the wired optical fiber, which can realize more long-distance video signal transmission in the room with multiple obstacles.

[0039] In specific implementation, the remote driving monitoring room is further provided with a data conversion unit and an ultra-low delay decoding unit. The data conversion unit is used to convert the received data into decodable video data. The ultra-low delay decoding unit has extremely strong video decoding computing power and can decode the video data into displayable video in a very short time. The ultra-low delay decoding unit and the data conversion unit are electrically connected. The data conversion unit transmits the received signal to the decoding unit after converting the signal into a video signal. The self-developed ultra-low delay decoding unit decodes the video signal to restore the packaged single video signal into multiple signals.

[0040] In specific implementation, the remote driving monitoring room is further provided with a display for displaying the monitoring video. The monitoring picture can be switched and combined. The display and the ultra-low delay decoding unit are electrically connected through an HDMI interface. The multiple decoded video signals are displayed on the display screen at the same time. The viewing angle can be freely switched. The corresponding image splicing design can be performed. Different pictures can be spliced to restore the real pusher operating viewing angle.

[0041] Reference Figure 1 The overall video monitoring delay from image acquisition by the camera to image display on the display can be controlled at about 200 ms through actual test, which meets the actual engineering requirements.

[0042] Reference Figure 2 The pusher is provided with 4-6 high-definition cameras arranged around the top and the bottom of the vehicle to realize omnidirectional and dead-angle-free visual perception.

[0043] The top camera is arranged as shown by the red dot. It is mainly used to simulate the 360-degree viewing effect around the driver when operating.

[0044] The camera is arranged at the bottom position as shown by the green dot. It is used to assist the driver in observing the quantity and accumulation of materials inside the scraper.

[0045] Reference Figure 3 The control room is located indoors on the wharf. The pusher is located in the cabin parked on the wharf. There are many metal interferences on the wharf. The cabin is also made of thick metal steel plate.

[0046] The camera is installed on the pusher. The pusher is placed in the cabin for remote operation. The collected video information is encoded with ultra-low delay. Then, the information is transmitted wirelessly through a special network baseband at a long distance. The wharf is also provided with a special network baseband receiver. After receiving the signal, the video signal is transmitted to the control room through a wired optical fiber. The video signal is decoded by the ultra-low delay decoding unit in the control room. The video monitoring is projected on the display screen.

[0047] The above description of the embodiments is for facilitating the ordinary skilled in the art to understand and use the present application, and the person skilled in the art can easily make various modifications to the embodiments, and apply the general principles described herein to other embodiments without creative labor, therefore, the present application is not limited to the above embodiments, the improvements and modifications made by the person skilled in the art according to the disclosure of the present application without departing from the scope of the present application should be within the protection scope of the present application.

Claims

1. A remote video monitoring system for a push dozer, characterized by: Including remote driving monitoring room, external private network base station, push harrow video acquisition unit and data transmission unit, the external private network base station utilizes double antenna transmission, and the video signal of the push harrow video acquisition unit is transmitted and received through local area network, the push harrow video acquisition unit is used for multi-channel acquisition of working environment image, and the data transmission unit is used for ultra-low delay coding processing of the video signal of the push harrow video acquisition unit and conversion into wireless long-distance transmission data for transmission.

2. The remote video monitoring system of a pusher harvester according to claim 1, characterized in that: The push harrow video acquisition unit includes six cameras installed on the push harrow, which are used to collect 360-degree complete working environment images.

3. The remote video monitoring system of a pusher harvester according to claim 2, characterized in that: Four of the six cameras are SDI industrial cameras, which are used to collect 360-degree all-around view effect when the driver operates.

4. The remote video monitoring system of a pusher harvester according to claim 2, characterized in that: One of the six cameras is a panoramic camera, which is used for panoramic video acquisition splicing.

5. The remote video monitoring system of a pusher harvester according to claim 2, characterized in that: One of the six cameras is an AHD industrial camera, which is used to assist the driver to observe the number of materials accumulated inside the scraper.

6. The remote video monitoring system of a pusher harvester according to any one of claims 2-5, characterized in that: The data transmission unit includes an ultra-low delay coding unit installed on the push harrow and electrically connected with the six cameras, which is used for ultra-low delay coding processing of the input six-channel video signal, and packs and integrates the six-channel signal into one channel for subsequent transmission.

7. The remote video monitoring system of a pusher harvester according to claim 6, characterized in that: The data transmission unit also includes a data conversion unit installed on the push harrow, which is electrically connected with the ultra-low delay coding unit, converts the video data into wireless long-distance transmission data, and is used for local area network long-distance transmission.

8. The remote video monitoring system of a pusher harvester according to claim 7, characterized in that: The remote driving monitoring room is provided with a photoelectric conversion unit and a wired optical fiber connected with the external private network base station, which is used to extend the transmission distance of the video signal in the room.

9. The remote video monitoring system of a pusher harvester according to claim 8, characterized in that: The remote driving monitoring room is also provided with a data conversion unit and an ultra-low delay decoding unit, the data conversion unit is used to convert the received data into decodable video data, and the ultra-low delay decoding unit has strong video decoding power and can decode the video data into displayable video in a very short time.

10. The remote video monitoring system of a pusher harvester according to claim 9, characterized in that: The remote driving monitoring room is also provided with a display for displaying monitoring video, which can switch and combine the monitoring pictures.

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