CN202534136U - 3rd generation (3G) network-based road roller remote monitoring and control system - Google Patents
3rd generation (3G) network-based road roller remote monitoring and control system Download PDFInfo
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- CN202534136U CN202534136U CN 201220010262 CN201220010262U CN202534136U CN 202534136 U CN202534136 U CN 202534136U CN 201220010262 CN201220010262 CN 201220010262 CN 201220010262 U CN201220010262 U CN 201220010262U CN 202534136 U CN202534136 U CN 202534136U
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Abstract
The utility model discloses a 3rd generation (3G) network-based road roller remote monitoring and control system. The system comprises a vehicle-mounted detection device, a vehicle-mounted host and a remote data receiving platform, wherein the vehicle-mounted detection device comprises a video acquisition device and a distance acquisition device; the vehicle-mounted host comprises a video encoding unit, a signal processor and wireless transceiving modules; the output end of the video acquisition device is connected with the video encoding unit; the video encoding unit is used for encoding the video signals acquired by the video acquisition device; the output end of the distance acquisition device is connected with the signal processor; the video encoding unit and the signal processor are respectively connected with a first wireless transceiving module. The system is reasonable in structural design, convenient to implement, easy to operate and high in use value; the problem of operation errors caused by a blind area of a road roller in the prior art is solved; and simultaneously, the phenomenon of driver fatigue caused by vibration in the construction process of the road roller can be avoided effectively.
Description
Technical field
The utility model relates to a kind of road construction and uses remote monitoring and controlling system, especially a kind of street roller remote monitoring and controlling system based on 3G network.
Background technology
At present, street roller is mainly used in the fundamental plane and the pavement compaction operation of highway, harbour, airport and dam, often need forward during construction and backward both direction press the road construction.Press the road construction backward when street roller and the time need in pilothouse, should carry out constructing operation, take into account the street roller rear again whether barrier is arranged, so not only increased the driving difficulty, and often caused construction accident because block at misoperation or visual angle.In addition, street roller because the requirement of construction is in vibrational state, causes driver fatigue easily in work progress, and working long hours has certain harm to the person.
Therefore, study a kind of street roller remote monitoring and controlling system, be necessary for the driver fatigue of avoiding the accident in the work progress and cause owing to vibration.
Summary of the invention
To above-mentioned deficiency of the prior art; The purpose of the utility model is; A kind of street roller remote monitoring and controlling system based on 3G network is provided; This system structure design rationally, realize convenient, uses is easy and simple to handle and use value is high, can effectively solve in the prior art problem that causes misoperation because of the street roller blind area, can effectively avoid simultaneously in the street roller work progress owing to vibrate and cause the generation of driver fatigue phenomenon.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of street roller remote monitoring control system based on 3G network is characterized in that, comprises vehicle-mounted pick-up unit, on-vehicle host and teledata receiving platform, and said vehicle-mounted pick-up unit comprises video acquisition device and apart from harvester; Said on-vehicle host comprises video encoding unit, signal processor and first radio receiving transmitting module; Wherein, the output terminal of video acquisition device connects video encoding unit, and video encoding unit is used for the encoding video signal with the video acquisition device collection; Output terminal apart from harvester connects signal processor; Video encoding unit is connected first radio receiving transmitting module respectively with signal processor; Said teledata receiving platform comprises second radio receiving transmitting module, decoding and displaying unit, controller, alarm, brake hard instruction amplifier, throttle instruction amplifier, steering order amplifier, speed of a motor vehicle instruction amplifier, vibration instruction amplifier, the instruction of start and stop car amplifier, alarm command amplifier and manual control button; Wherein, first radio receiving transmitting module and second radio receiving transmitting module carry out telecommunication through 3G network; Decoding and displaying unit, controller, brake hard instruction amplifier, throttle instruction amplifier, steering order amplifier, speed of a motor vehicle instruction amplifier, vibration instruction amplifier, start and stop car instruction amplifier are connected with second radio receiving transmitting module respectively with the alarm command amplifier; Brake hard instruction amplifier, throttle instruction amplifier, steering order amplifier, speed of a motor vehicle instruction amplifier, vibration instruction amplifier, start and stop car instruction amplifier are connected with controller and manual control button respectively with the alarm command amplifier; Said alarm is connected with said controller.
The utility model also comprises following other technologies characteristic:
Said video acquisition device comprises first camera, second camera, the 3rd camera and the 4th camera; Said first camera and second camera are installed in the rear and front end of street roller respectively, and said the 3rd camera and the 4th camera are installed in the left and right sides of street roller respectively.
Saidly comprise first ultrasonic range finder and second ultrasonic range finder apart from harvester, said first ultrasonic range finder is installed in the front end of street roller, and said second ultrasonic range finder is installed in the rear end of street roller.
Said vehicle-mounted pick-up unit also comprises the compactness detecting unit, and this compactness detecting unit is installed in the street roller pilothouse and is used for detecting in real time the bituminous pavement compactness; Said compactness detecting unit is connected with signal processor.
Said vehicle-mounted pick-up unit also comprises the temperature-detecting device that is used for detecting in real time the asphalt temperature that paves; Said temperature-detecting device is connected with signal processor.
Said temperature-detecting device comprises first temperature sensor and second temperature sensor, and said first temperature sensor and second temperature sensor are installed in the rear and front end of vibration wheel of road roller frame respectively.
Said vehicle-mounted pick-up unit also comprises the working state detection device that is installed in the street roller pilothouse and is used to monitor the street roller duty; Working state detection device comprises engine speed sensor, cooling-water temperature sensor, fuel level sensor, driving motors speed probe and vibration acceleration sensor; Said working state detection device links to each other with signal processor.
Said alarm adopts audible-visual annunciator.
Said video encoding unit adopts image-video encoder of TVP5150AM1PBSR.
Said signal processor adopts the digital signal processor of TMS320VC5402PGE100.
The utility model compared with prior art has the following advantages:
1, reasonable in design, realization convenient, use easy and simple to handle, construction quality and efficient height.
2, use value is high, can effectively solve in the prior art street roller when construction because the blind area causes the problem of misoperation, guarantee the safe and reliable of construction.
3, can realize conduct monitoring at all levels to street roller; And but instant playback is accepted on the display of platform in teledata; Distance value and predefined safe distance value through gathering apart from harvester compare; Immediate feedback information takes elementary warning, middle rank to slow down and the brake hard measure, and the generation of blocking the construction accident that causes because of misoperation or visual angle has been reduced in the blind area of having eliminated routine operation.
4, can detect the temperature and the compactness of bituminous pavement in real time, street roller can be worked in the temperature range of the suitable compacting of pitch, and pitch is reached desirable compactness.
5, the 3G signal through high-speed transfer is realized effectively solving the driver's who causes owing to work under bad environment in the prior art comfortableness problem to the Long-distance Control of street roller and unmanned.
Below through accompanying drawing and specific embodiment the utility model is done further detailed description.
Description of drawings
Fig. 1 is vehicle-mounted pick-up unit of the utility model and the scheme of installation of on-vehicle host on street roller.
Fig. 2 is the structured flowchart of the utility model.
Description of reference numerals: 1-vehicle-mounted pick-up unit; 1-1-video acquisition device; 1-11-first camera; 1-12-second camera; 1-13-the 3rd camera; 1-14-the 4th camera; 1-2-apart from harvester; 1-21-first ultrasonic range finder; 1-22-second ultrasonic range finder; 1-3-compactness detecting unit; 1-4-temperature detecting unit; 1-41-first temperature sensor; 1-42-second temperature sensor; 1-5-working state detection device; 2-on-vehicle host; 3-teledata receiving platform; 4-video encoding unit; 5-signal processor; 6-the first radio receiving transmitting module; 7-the second radio receiving transmitting module; 8-decoding and displaying unit; 9-controller; 10-alarm; 11-brake hard instruction amplifier; 12-throttle instruction amplifier; 13-steering order amplifier; 14-speed of a motor vehicle instruction amplifier; 15-vibration instruction amplifier; 16-start and stop car instruction amplifier; 17-alarm command amplifier; 18-manual control button; 19-3G network; 20-performance element.
Embodiment
As depicted in figs. 1 and 2; The street roller remote monitoring control system based on 3G network of the utility model; Comprise vehicle-mounted pick-up unit 1, on-vehicle host 2 and teledata receiving platform 3, said vehicle-mounted pick-up unit 1 comprises video acquisition device 1-1 and apart from harvester 1-2; Video acquisition device 1-1 is installed on the street roller and is used for gathering in real time the comprehensive video of street roller, is used for gathering in real time the street roller rear and front end apart from distance between the barrier apart from harvester 1-2; Said on-vehicle host 2 comprises video encoding unit 4, signal processor 5 and first radio receiving transmitting module 6; Wherein, the output terminal of video acquisition device 1-1 connects video encoding unit 4, and video encoding unit 4 is used for the encoding video signal with video acquisition device 1-1 collection; Output terminal apart from harvester 1-2 connects signal processor 5; Video encoding unit 4 is connected first radio receiving transmitting module 6 respectively with signal processor 5; First radio receiving transmitting module 6 is connected with the topworks 20 of street roller; Said teledata receiving platform 3 comprises second radio receiving transmitting module 7, decoding and displaying unit 8, controller 9, alarm 10, brake hard instruction amplifier 11, throttle instruction amplifier 12, steering order amplifier 13, speed of a motor vehicle instruction amplifier 14, vibration instruction amplifier 15, the instruction of start and stop car amplifier 16, alarm command amplifier 17 and manual control button 18; Wherein, first radio receiving transmitting module 6 and second radio receiving transmitting module 7 carry out telecommunication through 3G network 19; Decoding and displaying unit 8, controller 9, brake hard instruction amplifier 11, throttle instruction amplifier 12, steering order amplifier 13, speed of a motor vehicle instruction amplifier 14, vibration instruction amplifier 15, start and stop car instruction amplifier 16 are connected with second radio receiving transmitting module 7 respectively with alarm command amplifier 17; Brake hard instruction amplifier 11, throttle instruction amplifier 12, steering order amplifier 13, speed of a motor vehicle instruction amplifier 14, vibration instruction amplifier 15, start and stop car instruction amplifier 16 are connected with controller 9 and manual control button 18 respectively with alarm command amplifier 17; Alarm 10 is connected with controller 9.
Said video acquisition device 1-1 comprises the first camera 1-11, the second camera 1-12, the 3rd camera 1-13 and the 4th camera 1-14; The said first camera 1-11 and the second camera 1-12 are installed in the rear and front end of street roller respectively, and said the 3rd camera 1-13 and the 4th camera 1-14 are installed in the left and right sides of street roller respectively.
Saidly comprise the first ultrasonic range finder 1-21 and the second ultrasonic range finder 1-22 apart from harvester 1-2, the said first ultrasonic range finder 1-21 is installed in the front end of street roller, and the said second ultrasonic range finder 1-22 is installed in the rear end of street roller.
Said vehicle-mounted pick-up unit 1 also comprises compactness detecting unit 1-3, and this compactness detecting unit 1-3 is installed in the street roller pilothouse and is used for detecting in real time the bituminous pavement compactness; Said compactness detecting unit 1-3 is connected with signal processor 5 and through signal processor 5 the compacting signal Processing generation compactness value that detects is shown that on decoding and displaying unit 8 controller 9 carries out operated from a distance according to the requirement of bituminous pavement compactness to street roller.In the practical application; Compactness detecting unit 1-3 measures the acceleration of vibration wheel of road roller through acceleration transducer; Be input to through amplifier, wave filter, A/D conversion equipment and carry out computing in the signal processor 5 and obtain the compactness value; Be transferred to decoding and displaying unit 8 and controller 9 through first radio receiving transmitting module 6 and second radio receiving transmitting module 7 again, show the information of receiving on the display screen of decoding and displaying unit 8.In the present embodiment, compactness detecting unit 1-3 adopts the compactness detector, and it is to adopt acceleration transducer to make the vibration characteristics detecting element, can accurately detect compactness, presses road quality and efficient to improve vibroll.
Said vehicle-mounted pick-up unit 1 also comprises the temperature-detecting device 1-4 on the vibrating wheels frame that is installed in street roller, and temperature-detecting device 1-4 is used for detecting in real time the asphalt temperature that paves; Said temperature-detecting device 1-4 is connected with signal processor 5; Temperature-detecting device 1-4 generates temperature value through signal processor 5 with the processes temperature signal that detects and on decoding and displaying unit 8, shows.
Said temperature-detecting device 1-4 comprises the first temperature sensor 1-41 and the second temperature sensor 1-42; The said first temperature sensor 1-41 and the second temperature sensor 1-42 are installed in the rear and front end of vibration wheel of road roller frame respectively; All be used to detect the temperature of the pitch that paves, street roller carried out operated from a distance according to the real temperature of the optimum pressure on road surface.
Said vehicle-mounted pick-up unit 1 also comprises the working state detection device 1-5 that is installed in the street roller pilothouse and is used to monitor the street roller duty; Working state detection device 1-5 comprises engine speed sensor, cooling-water temperature sensor, fuel level sensor, driving motors speed probe and vibration acceleration sensor.Said working state detection device 1-5 links to each other with signal processor 5, and working state detection device 1-5 handles the back with the work state information that detects through signal processor 5 and on decoding and displaying unit 8, shows.
In the present embodiment, said alarm 10 adopts audible-visual annunciator.
In the present embodiment, first radio receiving transmitting module 6 is installed in the street roller pilothouse, and second radio receiving transmitting module 7 is installed on the teledata receiving platform 3.
In the present embodiment; The video information of 4 pairs of inputs of said video encoding unit is compressed; And convert digital video signal to; First radio receiving transmitting module 6 sends it, and video encoding unit 4 adopts image-video encoder of TVP5150AM1PBSR, and first radio receiving transmitting module 6 adopts the wireless LGA module of 3G MF206.Signal processor 5 carries out conversion or signals of reality is handled in information extraction, the signal process of input is calculated be converted into relevant numerical, and signal processor 5 adopts the digital signal processor of TMS320VC5402PGE100.Decoding and displaying unit 8 carries out decompress(ion) with the digital video that receives, and converts the image/video demonstration to, and the decoding and displaying unit adopts the 8VD2801H-B display.
In the present embodiment; Signal processor 5 is used for the distance signal that receives, temperature signal and compactness signal are carried out editing and processing and classification extraction; Be the distance signal gathered of receiving range harvester 1-2 and the distance signal of gathering handled generate distance value, receive temperature signal that temperature-detecting device 1-4 detects and the processes temperature signal that detects is generated temperature value, receives compactness detecting unit 1-3 and detect the compacting signal on road surface and the compacting signal Processing that detects is generated the compacting value; It also connects all panel board message units of street roller simultaneously, the speed on the figure panel board, oil mass etc.Decoding and displaying unit 8 is used for the decoding video signal of video encoding unit 4 codings and shows; And the signal after signal processor 5 editing and processing shown; Make things convenient for the Remote Working Platform personnel to the environment in each orientation of street roller, the temperature of bituminous pavement and the observation of bituminous pavement compactness, and all panel board information of street roller are shown.Controller 9 be used for signal processor 5 handle the distance value that generates and predefined safe distance value relatively and export elementary warning, middle rank slows down and three kinds of instructions of brake hard, simultaneously also can be, turn to performance element and vibration performance element to control to control the duty of street roller to the throttle performance element; Alarm 10 was in time reported to the police when being used for street roller and running into barrier; The brake hard performance element in time carries out brake hard when being used for street roller and running into barrier, take place to avoid mishap.
In the present embodiment; The engine throttle steering order that controller 9 sends, brake hard steering order, speed of a motor vehicle steering order, vibration control instruction, turn to steering order, start and stop car steering order and alarm command to be sent to first radio receiving transmitting module 6 by 3G network 19 through corresponding the instruction amplifier and second radio receiving transmitting module 7, then respectively corresponding throttle performance element, brake hard performance element, the speed of a motor vehicle performance element of control, vibrate performance element, turn to performance element, start and stop car performance element and warning performance element realize corresponding action.The each several part performance element is installed on the street roller respectively.When controller 9 sent alarm command, the alarm 10 at teledata receiving platform place sent sound and light alarm simultaneously with the warning performance element on the on-vehicle host.
In this instance, each performance element introduction is following in the performance element 20 of the street roller that is connected with on-vehicle host 2:
The throttle performance element comprises an electric-hydraulic proportion switching-over magnet valve and hydraulic cylinder; After controller 9 sent throttle demand, electromagnetic relay was closed, the power on circuitry of joining with electric-hydraulic proportion switching-over magnet valve; The electromagnet energising changes spool aperture size, and hydraulic cylinder changes the aperture of gas pedal.
The brake hard performance element comprises a solenoid valve and detent, and detent is a normally closed brake, and the electromagnetic relay of controlling this performance element is a normally closed type.After controller 9 sent brake hard instruction, electromagnetic relay broke off, the down circuitry of joining with solenoid valve, thus make the hydraulic oil oil sump tank under spring action in the detent, realize braking.
Start and stop car performance element comprises an electromagnetic relay, and after controller sent enabled instruction, electromagnetic relay was closed; The CC of accumulator and starter motor is connected; And open ignition switch, and starter drives the flywheel rotation through the gear ring on the flywheel, thus starting engine.After controller 9 sent cutoff command, electromagnetic relay broke off, and ignition switch is closed, engine kill.
Speed of a motor vehicle performance element comprises an electric ratio shaft orientation plunger variable pump; After controller 9 sent speed of a motor vehicle instruction, electromagnetic relay was closed, the power on circuitry of joining with electric-hydraulic proportion switching-over magnet valve; Change the size of spool aperture; Making the piston rod of hydraulic cylinder promote the swash plate of variable output pump, change pump capacity thereby change swashplate angle, is that street roller implementation speed changes.
Vibration performance element involving vibrations pump (shaft orientation plunger variable pump) is when street roller stops, after controller sends the vibration instruction; Electromagnetic relay is closed, with the power on circuitry that solenoid valve joins, makes the energising of electric-hydraulic proportion switching-over magnet valve one end electromagnet; Make the spool switching-over, change the flow direction of hydraulic oil, make the piston rod promotion swash plate of hydraulic cylinder put the position vertical with the variable output pump input shaft; Thereby make the vibrating motor counter-rotating, realize the change of street roller amplitude and vibration frequency.
Turn to performance element to comprise electric-hydraulic proportion switching-over magnet valve and turn to oil cylinder.After controller sent steering order, electromagnetic relay was closed, and the power on circuitry with electric-hydraulic proportion switching-over magnet valve joins makes the valve core of the electromagnetic valve switching-over, changes the flow direction of hydraulic oil, made to turn to oil cylinder promotion steering mechanism to realize turning to of street roller.
The principle of work of the utility model is: when the operating personnel of Remote Working Platform start street roller through controller 9; The vehicle-mounted pick-up unit 1 of street roller, on-vehicle host 2 and teledata receiving platform 3 all start simultaneously: gathered vision signal, gathered distance signal, compactness detecting unit 1-3 collection compactness signal, temperature-detecting device 1-4 collecting temperature signal apart from harvester 1-2 by video acquisition device 1-1; The vision signal of gathering is handled and demonstration through decoding and displaying unit 8 behind video encoding unit 4, first radio receiving transmitting module 6 and second radio receiving transmitting module 7; Distance signal, compactness signal and temperature signal generate distance value, compactness value and temperature value respectively after signal processor 5 editing and processing, and then through first radio receiving transmitting module, 6 to second radio receiving transmitting modules 7, show through decoding and displaying unit 8.The driver operates through controller 9 direction of street roller according to 8 data presented in decoding and displaying unit; While operates street roller according to the temperature and the compactness of the bituminous pavement that decoding and displaying unit 8 is shown, thereby makes the compacting road surface reach necessary requirement.
When street roller runs into barrier in operation process; Controller 9 according to the safe distance value of survey distance value and predefined Three Estate relatively, if controller 9 is controlled alarms 10 and is sent alerting signal when the obstacle distance street roller of surveying is five meters left and right sides; If barrier is a man-hour, alerting signal is cancelled warning automatically after personnel withdraw, and street roller continues operation; When survey obstacle distance street roller was three meters left and right sides, controller 9 slowed down street roller through control speed of a motor vehicle performance element; If when the obstacle distance of surveying further reduces to be lower than two meters, controller 9 makes the street roller brake hard through control brake hard performance element.
The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any restriction; Everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of the utility model technical scheme according to the utility model technical spirit.
Claims (10)
1. street roller remote monitoring control system based on 3G network; It is characterized in that; Comprise vehicle-mounted pick-up unit (1), on-vehicle host (2) and teledata receiving platform (3), said vehicle-mounted pick-up unit (1) comprises video acquisition device (1-1) and apart from harvester (1-2); Said on-vehicle host (2) comprises video encoding unit (4), signal processor (5) and first radio receiving transmitting module (6); Wherein, the output terminal of video acquisition device (1-1) connects video encoding unit (4), and video encoding unit (4) is used for the encoding video signal with video acquisition device (1-1) collection; Output terminal apart from harvester (1-2) connects signal processor (5); Video encoding unit (4) is connected first radio receiving transmitting module (6) respectively with signal processor (5); Said teledata receiving platform (3) comprises second radio receiving transmitting module (7), decoding and displaying unit (8), controller (9), alarm (10), brake hard instruction amplifier (11), throttle instruction amplifier (12), steering order amplifier (13), speed of a motor vehicle instruction amplifier (14), vibration instruction amplifier (15), the instruction of start and stop car amplifier (16), alarm command amplifier (17) and manual control button (18); Wherein, first radio receiving transmitting module (6) carries out telecommunication with second radio receiving transmitting module (7) through 3G network (19); Decoding and displaying unit (8), controller (9), brake hard instruction amplifier (11), throttle instruction amplifier (12), steering order amplifier (13), speed of a motor vehicle instruction amplifier (14), vibration instruction amplifier (15), start and stop car instruction amplifier (16) are connected with second radio receiving transmitting module (7) respectively with alarm command amplifier (17); Brake hard instruction amplifier (11), throttle instruction amplifier (12), steering order amplifier (13), speed of a motor vehicle instruction amplifier (14), vibration instruction amplifier (15), start and stop car instruction amplifier (16) are connected with controller (9) and manual control button (18) respectively with alarm command amplifier (17); Said alarm (10) is connected with said controller (9).
2. the street roller remote monitoring control system based on 3G network as claimed in claim 1; It is characterized in that; Said video acquisition device (1-1) comprises first camera (1-11), second camera (1-12), the 3rd camera (1-13) and the 4th camera (1-14); Said first camera (1-11) and second camera (1-12) are installed in the rear and front end of street roller respectively, and said the 3rd camera (1-13) and the 4th camera (1-14) are installed in the left and right sides of street roller respectively.
3. the street roller remote monitoring control system based on 3G network as claimed in claim 1; It is characterized in that; Saidly comprise first ultrasonic range finder (1-21) and second ultrasonic range finder (1-22) apart from harvester (1-2); Said first ultrasonic range finder (1-21) is installed in the front end of street roller, and said second ultrasonic range finder (1-22) is installed in the rear end of street roller.
4. the street roller remote monitoring control system based on 3G network as claimed in claim 1; It is characterized in that; Said vehicle-mounted pick-up unit (1) also comprises compactness detecting unit (1-3), and this compactness detecting unit (1-3) is installed in the street roller pilothouse and is used for detecting in real time the bituminous pavement compactness; Said compactness detecting unit (1-3) is connected with signal processor (5).
5. the street roller remote monitoring control system based on 3G network as claimed in claim 1 is characterized in that, said vehicle-mounted pick-up unit (1) also comprises the temperature-detecting device (1-4) that is used for detecting in real time the asphalt temperature that paves; Said temperature-detecting device (1-4) is connected with signal processor (5).
6. the street roller remote monitoring control system based on 3G network as claimed in claim 5; It is characterized in that; Said temperature-detecting device (1-4) comprises first temperature sensor (1-41) and second temperature sensor (1-42), and said first temperature sensor (1-41) and second temperature sensor (1-42) are installed in the rear and front end of vibration wheel of road roller frame respectively.
7. the street roller remote monitoring control system based on 3G network as claimed in claim 1; It is characterized in that said vehicle-mounted pick-up unit (1) also comprises the working state detection device (1-5) that is installed in the street roller pilothouse and is used to monitor the street roller duty; Working state detection device (1-5) comprises engine speed sensor, cooling-water temperature sensor, fuel level sensor, driving motors speed probe and vibration acceleration sensor; Said working state detection device (1-5) links to each other with signal processor (5).
8. the street roller remote monitoring control system based on 3G network as claimed in claim 1 is characterized in that, said alarm (10) adopts audible-visual annunciator.
9. the street roller remote monitoring control system based on 3G network as claimed in claim 1 is characterized in that, said video encoding unit (4) adopts image-video encoder of TVP5150AM1PBSR.
10. the street roller remote monitoring control system based on 3G network as claimed in claim 1 is characterized in that, said signal processor (5) adopts the digital signal processor of TMS320VC5402PGE100.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220010262 CN202534136U (en) | 2012-01-11 | 2012-01-11 | 3rd generation (3G) network-based road roller remote monitoring and control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220010262 CN202534136U (en) | 2012-01-11 | 2012-01-11 | 3rd generation (3G) network-based road roller remote monitoring and control system |
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| CN 201220010262 Expired - Fee Related CN202534136U (en) | 2012-01-11 | 2012-01-11 | 3rd generation (3G) network-based road roller remote monitoring and control system |
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| CN103852575A (en) * | 2014-03-31 | 2014-06-11 | 重庆交通大学 | Method and device for continuously detecting compactness of asphalt concrete pavement |
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| CN114457650A (en) * | 2022-01-25 | 2022-05-10 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Unmanned driving execution system of road roller and control method |
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| CN103852575A (en) * | 2014-03-31 | 2014-06-11 | 重庆交通大学 | Method and device for continuously detecting compactness of asphalt concrete pavement |
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| CN110042821A (en) * | 2019-03-19 | 2019-07-23 | 内蒙古大学公路工程试验检测中心 | A kind of Subgrade Compaction intelligent detection device and method |
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| CN114457650B (en) * | 2022-01-25 | 2023-09-12 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Unmanned execution system of road roller and control method |
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