CN109816988A - A kind of intelligent early-warning limit for height system and working method - Google Patents
A kind of intelligent early-warning limit for height system and working method Download PDFInfo
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- CN109816988A CN109816988A CN201910104658.XA CN201910104658A CN109816988A CN 109816988 A CN109816988 A CN 109816988A CN 201910104658 A CN201910104658 A CN 201910104658A CN 109816988 A CN109816988 A CN 109816988A
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Abstract
The present invention relates to a kind of intelligent early-warning limit for height system and working methods, including the preposition detection device being connect with control device, limit for height mechanism and candid photograph mechanism, the preposition detection device includes the first detection device, second detection device and third detection device, the limit for height mechanism is used to limit passing through for the Overheight Vehicles detected by preposition detection device, the limit for height mechanism is equipped with the warning system connecting with control device, the warning system is used to issue information warning to vehicle driver, the mechanism of capturing is used for superelevation and is forced through the vehicle of limit for height mechanism and captures, and it is transferred to traffic management department's database, limit for height system of the invention can effectively alerting drivers can pass through limit for height mechanism, good warning effect, facilitate the management of traffic management department.
Description
Technical field
The present invention relates to road safety facility technology fields, and in particular to a kind of intelligent early-warning limit for height system and work side
Method.
Background technique
As the rapid development of process of modernized city often will limit vehicular traffic in town road process of construction
Height, to alleviate the traffic jam issue of road or prevent other perils.
Existing height-limiting bar is generally using highly with steel framework similar in restriction height value across in road two sides.Tradition
Height-limiting bar be all that vehicle pass-through is limited by mandatory management, inventors have found that being unfamiliar with road conditions or violation vehicle when have
It when being forced through height-limiting bar, often crashes, in the case where there is no headlamp along with night, it is easy to allow driver
Illusion is visually generated, the damage of height-limiting bar is on the one hand caused, another aspect driver and conductor and pedestrian also will receive life
Life threatens.In view of the above-mentioned problems, there is intelligent height-limiting system, but inventors have found that existing intelligent height-limiting system exist compared with
More defects:
1. having ignored driver to change the psychology of limit for height scene.
2. the system for taking flexibility management, Overheight Vehicles are not alarmed measure accordingly after passing through, and can be allowed in this way
The driver of Overheight Vehicles generates idea of leaving things to chance, while being also not easy to traffic management department and understanding current situation in time.
3. limit for height height is unadjustable, when superelevation breakdown lorry can not by when, the often a large amount of rescue of waste herein
Time.
4. sign board is single for height-adjustable height limiter, after variation has occurred in limit for height height, it is necessary to again
Corresponding sign board is made, leads to the wasting of resources, wastes time simultaneously, working efficiency is low.
Summary of the invention
It, can be with the purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, providing a kind of intelligent early-warning limit for height system
Height to be surveyed to vehicle in advance, driver is reminded, Overheight Vehicles can also reduce accident injury even if being forced through, and
Violation vehicle is transferred to traffic management department, facilitates management.
It is a further object to provide a kind of working methods of intelligent early-warning limit for height system, can be according to vehicle row
It sails situation and carries out different promptings to driver, paid attention to the psychology variation of driver, good warning effect.
To achieve the above object, the present invention adopts the following technical solutions:
A kind of intelligent early-warning limit for height system, including the preposition detection device, limit for height mechanism and candid photograph being connect with control device
Mechanism, the preposition detection device include the first detection device, second detection device and third detection device, first detection
Device is used to detect speed when vehicle passes through second detection device, and the height that the second detection device is used to detect vehicle is
No is more than setting height, and the third detection device is used to detect vehicle and passes through the speed after the first detection device, the limit for height
Mechanism is used to limit passing through for the Overheight Vehicles detected by preposition detection device, and the limit for height mechanism is equipped with to be filled with control
Set the warning system of connection, the warning system is used to issue information warning to vehicle driver, and the candids photograph mechanism is used for pair
The vehicle that superelevation is forced through limit for height mechanism is captured, and is transferred to traffic management department's database.
By the way that preposition detection device is arranged, can identify whether vehicle is more than maximum height limit, and using warning system to vehicle
Driver issues information warning, can automatically to driver issue vehicle whether can by signal, be not necessarily to artificial judgment,
Vehicle driver is avoided since visual mistake is forced through limit for height mechanism, and can be by capturing mechanism to violating the regulations logical
The Overheight Vehicles crossed are captured, and the management of traffic management department is facilitated.
Further, the second detection device includes being located at first column of the vehicle by both sides of the road, and described first
Column top is respectively fixed with the emission part and receiving unit of the first opposite type sensor, the emission part of first opposite type sensor and
The mounting height of receiving unit is equal to the vehicle maximum height limit of setting and passes through when height of car is higher than the vehicle maximum height limit of setting
The ray that emission part emits to receiving unit can be cut off when second detection device, opposite type sensor sends vehicle super-high to control device
Signal.
Further, the limit for height mechanism includes the second column positioned at vehicle driving both sides of the road, second column
Inside is equipped with lifting column, and cross bar is connected between the lifting unit of two lifting columns, and lifting column can drive cross bar along second
The lifting groove of column setting moves up and down, and the cross bar is rotatably connected to rotor plate, and warning system is equipped with above cross bar, described
Injury is hit caused by when rotor plate passes through limit for height mechanism for reducing Overheight Vehicles, the warning system is used for vehicle drive
Member sends different grades of alarm signal.
Further, second column top is equipped with solar panel and battery, under power blackout situation
It is powered, ensure that the normal work of whole system.
Further, the warning system includes display device and warning lamp, and the display device is fixed with the second column
Connection, for showing different grades of alarm signal, display vehicle maximum height limit and license board information, the police to vehicle driver
Show that lamp is fixedly connected with cross bar, for issuing light, vehicle driver is further warned, shows that vehicle limits using display device
System height, without making limit for height sign board, saves resource after adjusting vehicle maximum height limit.
Further, second column and rotor plate attaching are fixed with reflective strip, using reflective strip, facilitate night to limit
High mechanism is observed.
Further, it is provided with the first license plate recognition device between the third detection device and limit for height mechanism, for examining
Survey license board information.
Further, the mechanism of capturing includes that the second opposite type sensor of cross bar is arranged in and is arranged after limit for height mechanism
The second license plate recognition device, the vehicle snapshot device of side, second license plate recognition device are used to acquire the license board information of vehicle,
For detecting whether Overheight Vehicles are forced through limit for height mechanism, the vehicle snapshot device is used for by force second opposite type sensor
By Overheight Vehicles captured.
Further, the vehicle pass-through road side between the third detection device and limit for height mechanism is suspended equipped with vehicle
Area, for temporarily being parked to Overheight Vehicles.
The invention also discloses a kind of working methods of intelligent early-warning limit for height system: when vehicle passes through second detection device,
Whether second detection device detection height of car meets by requiring, if meeting by requiring, warning system is aobvious to driver
Showing can be by signal, and vehicle can be normal through limit for height mechanism, if the height of car of second detection device detection is unsatisfactory for by wanting
It asks, then warning system shows impassabitity signal to driver, while the first detection device and third detection device detect vehicle
By the front and back velocity amplitude of second detection device, and calculating speed difference, if speed difference is greater than or equal to setting value, generation
Table vehicle takes brake measure, and if speed difference is less than setting value, then warning system shows dangerous driving signal to driver, such as
Fruit driver drives Overheight Vehicles and is forced through limit for height mechanism, then captures mechanism and capture to vehicle, and will capture information and pass
It is handed to traffic management department's database.
Beneficial effects of the present invention:
1. whether vehicle can be detected automatically by limit for height mechanism by the way that preposition detection device is arranged, and to
Can driver send the signal that pass through, and eliminates driver and voluntarily judges, avoids driver since misjudgment operates vehicle
With limit for height mechanism collide, cause vehicle, personal injury and the damage of limit for height mechanism.
2. can determine whether driver takes braking to vehicle by the first detection device of setting and third detection device
Measure sends different grades of alarm signal to driver according to different situations warning system, in varied situations to driver
Using different stimulus signals, warning function is more preferable, is further ensured that safety.
3. having buffered the impact force of vehicle Yu limit for height mechanism by the rotor plate being arranged below cross bar, be conducive to mitigate strong
Injury caused by when the Overheight Vehicles and limit for height mechanism that row passes through collide.
4. capturing mechanism by setting, the vehicle for being forced through limit for height mechanism can be captured, information of vehicles is transmitted
Traffic management department's database is given, the management of traffic management department is facilitated.
5. the height of cross bar and rotor plate is adjustable, the height of cross bar can be adjusted according to the actual situation, facilitates special feelings
The process of vehicle under condition, while display device shows vehicle maximum height limit according to cross bar and rotor plate high level of synchronization, adjusts height
No replacement is required afterwards sign board, has saved resource.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the restriction to the application for explaining the application.
Fig. 1 is overall structure diagram of the embodiment of the present invention；
Fig. 2 is limit for height of embodiment of the present invention mechanism and candid photograph structural scheme of mechanism；
Wherein, 1. first column, 2. RF transmitters, 3. infrared receivers, 4. first radar velocity measurement sensors, 5.
Second radar velocity measurement sensor, 6. pedestals, 7. second columns, 8. cross bars, 9. rotor plates, 10.LED display screen, 11. warning lamps,
12.LED sign board, 13. solar panels, 14. reflective strips, 15. vehicles pause area, 16. first license plate recognition devices, 17.
Second opposite type sensor, 18. second license plate recognition devices, 19. brackets, 20. vehicle snapshot cameras, 21. warning lights, 22. is alert
Show board, 23. lifting grooves, 24. lift control switch.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In a kind of exemplary embodiment of the application, as shown in Figs. 1-2, a kind of intelligent early-warning limit for height system, a kind of intelligence
Early warning limit for height system, including the preposition detection device, limit for height mechanism and candid photograph mechanism being connect with control device.
The preposition detection device include the first detection device, second detection device and third detection device, described second
Detection device be used to detect by the height of vehicle whether be more than setting maximum height limit, the second detection device is located at limit for height
In front of mechanism at 150 meters, two first columns 1 including being fixed on vehicle driving both sides of the road, two the first columns are pacified respectively
Emission part and receiving unit equipped with the first opposite type sensor, first opposite type sensor uses infrared opposite-radiation sensor, red
The RF transmitter 2 and 3 mounting height of infrared receiver of outside line opposite type sensor are equal to the maximum height limit of setting, and vehicle is high
Degree when vehicle passes through second detection device, will not cut off the red of RF transmitter sending if it is less than the maximum height limit of setting
Outside line, when height of car is greater than the maximum height limit of setting, vehicle cuts off the infrared ray that RF transmitter issues, and senses to penetrating
Device issues the signal of vehicle super-high to control device.
First detection device is using the first radar velocity measurement sensor 4 for being installed on ground, first radar velocity measurement
Sensor is located at the medium position between two first columns, and the first radar velocity measurement sensor passes through the second inspection for detecting vehicle
Speed when device is surveyed, the third detection device is using the second radar being arranged between second detection device and limit for height mechanism
Velocity sensor 5, the second radar velocity measurement sensor are mounted on the road ground of vehicle driving, the first radar velocity measurement of distance
The distance of sensor is 50 meters, for detecting vehicle by the speed after second detection device, is sensed by the first radar velocity measurement
Device and the second radar velocity measurement sensor detect speed difference, it can be determined that whether vehicle driver takes brake measure.
Vehicle driving road side between the third detection device and limit for height mechanism is equipped with the first license plate recognition device
16, first license plate recognition device uses existing license plate recognition device, for detecting license board information.
The limit for height mechanism includes the second column 7 that vehicle driving both sides of the road are fixed on by pedestal 6, and described second is vertical
Lifting column is installed, the lifting column uses hydraulic lifting post, fixed company between the lifting unit of the hydraulic lifting post inside column
It is connected to cross bar 8, the lifting groove 23 that the lifting unit of hydraulic lifting post can drive cross bar to be arranged along the second column moves up and down, liquid
Pressure lifting column is controlled by the lift control switch 24 being arranged on the second column.
Rotor plate 9 is equipped with below the cross bar, the rotor plate upper end and cross bar are rotatablely connected, and the rotor plate lower edge is high
Degree with setting maximum height limit it is identical, the rotor plate use lightweight steel plate, when Overheight Vehicles are forced through limit for height mechanism, with turn
Movable plate collides, and rotor plate rotation, the impact force that buffering occurs with vehicle reduces collision damage, ensured driver's
Safety.
The height of cross bar and rotor plate is adjustable, facilitates the adjustment in special circumstances to limit for height mechanism maximum height limit,
The passage for facilitating the breakdown lorrys such as superelevation ambulance, realizes flexible management.
Warning system connect with control device is installed above the cross bar, the warning system include display device with
Warning lamp 11, the display device use LED display 10, and the LED display is fixed between two second columns, can be to
Driver shows that different grades of alarm signal, the warning lamp are fixed in the middle part of cross bar at top position, capable of emitting revolving light
Light carries out visual stimulus to driver, reaches warning function, LED sign board 12 is equipped in the middle part of the LED display, for showing
Show the license board information of the first license plate recognition device acquisition and the vehicle maximum height limit information of setting, control is passed through using LED sign board
Device simultaneous display vehicle maximum height limit information processed, after changing the vehicle maximum height limit being arranged by hydraulic lifting post, LED mark
Board can the vehicle maximum height limit under control of the control means after simultaneous display change save without re-replacing new sign board
Resource is saved.
Second column top described in two is fixed with solar panel 13 and battery, and solar panel can will too
Sun can be converted to electric energy and be stored in battery, and battery can be pre- to entire intelligence in the case where exterior power supply plant is powered off
Each equipment of alert limit for height system is powered, and has on the one hand been saved the energy, on the other hand ensure that intelligent early-warning limit for height system exists
Normal work in any case.
It is attached at the lower edge of two second columns and rotor plate and is fixed with reflective strip 14, facilitate driver at night pair
Limit for height mechanism is observed.
It is equipped with vehicle at one side position of vehicle driving road between the third detection device and limit for height mechanism and suspends area
15, can be used for carrying out Overheight Vehicles it is temporary park, facilitate driver to take the measures such as detour.
The candid photograph mechanism includes the second opposite type sensor 17 being arranged on cross bar and is arranged on rear side of limit for height mechanism
Vehicle snapshot device and the second license plate recognition device 18, second opposite type sensor uses infrared opposite-radiation sensor, red
Outside line transmitter and infrared receiver are separately mounted to cross bar both ends, and mounting height is concordant with the lower edge of rotor plate, surpass
When high vehicle passes through, the infrared signal that the RF transmitter of the second opposite type sensor issues, the vehicle snapshot dress can be cut off
It sets and the second license plate recognition device fixes on the ground on the bracket 19 of setting, the vehicle snapshot device is taken the photograph using vehicle snapshot
As head 20, the vehicle snapshot camera uses existing vehicle snapshot camera, can shoot the information of violation vehicle, and will shine
Piece is transferred to the database of traffic management department, while the second license plate recognition device can also believe the licence plate of the violation vehicle of acquisition
Breath is transferred to the database of traffic management department, and warning light 21 and police are fixed on the bracket above the vehicle snapshot camera
Show board 22, for reminding driver to drive in violation of rules and regulations.
The control device uses single-chip microcontroller, other controllers can also be used, meet job requirement.
The present embodiment also discloses a kind of working method of intelligent early-warning limit for height system:
When vehicle passes through second detection device, if the height of vehicle is less than the vehicle maximum height limit of setting, vehicle
The infrared signal that the infrared transmitter of the first opposite type sensor issues will not be cut off, the first license plate recognition device acquires vehicle license
Information passes to single-chip microcontroller, and shows on LED sign board, and single-chip microcontroller does not obtain the letter of the first opposite type sensor sending at this time
Number, one-chip machine controlled LED display screen show vehicle can right of way signal, the vehicle signal that can go together can be always on lamp using green and shown
Show, to driver with the sense of light pleasure, driver's difference scruples vehicle height, passage can be trusted, when height of car is big
In the maximum height limit of setting, when vehicle passes through second detection device, the RF transmitter hair of the first opposite type sensor can be cut off
Infrared signal out, the first opposite type sensor send signal to single-chip microcontroller, and one-chip machine controlled LED display screen shows that vehicle can not be same
Row signal, reminds driver vehicle's impassabitity, and the vehicle signal that can not go together can be always on lamp using red and be shown, to driving
Member's visual stimulus is big, plays preferable warning function, meanwhile, when the first radar trap acquisition vehicle passes through second detection device
Speed V1 and be transferred to single-chip microcontroller, when Overheight Vehicles are travelled to the second radar velocity measurement sensor, the second radar velocity measurement sensor
Acquisition Vehicle Speed V2 is simultaneously transferred to single-chip microcontroller, and single-chip microcontroller calculates the difference of V1 and V2, if the difference of V1 and V2 is greater than
Equal to setting value (20km/h), then it is assumed that driver takes brake measure, and vehicle, which can travel to vehicle, at this time suspends area, drives
Member takes detour or other measures, if the difference of V1 and V2 is less than setting value (20km/h), then it is assumed that driver does not take
Brake measure, one-chip machine controlled LED display screen shows that red sudden strain of a muscle can be used in dangerous driving signal, the dangerous driving signal at this time
Bright lamp is shown, and warning lamp issues rotating light, and deeper time stimulation driver conveys dangerous information to driver,
The vigilance for improving driver, takes driver in time and hides measure.
For Overheight Vehicles, effectively hides measure if do not taken, hit rotor plate, cut off the second opposite type sensor
RF transmitter issue infrared signal, the second opposite type sensor to single-chip microcontroller issue signal, single-chip microcontroller control vehicle
It captures camera to take pictures to violation vehicle, warning light lights, while warning sign is shown " superelevation printed words ", has reminded driver
It is driven in violation of rules and regulations, while the vehicle snapshot camera photo captured and the information of vehicles of the second license plate recognition device acquisition are transferred to
The database of traffic management department, traffic management department is visually of a serious nature to give violation vehicle corresponding punitive measures, so as to
In traffic administration.
The intelligent early-warning limit for height system of the present embodiment can be to driver vehicle by preposition detection device and warning system
Whether height, which meets current demand, is warned, and is reminded driver, is avoided error in judgement caused by driver voluntarily judges, and
And warning system can according to circumstances issue different alarm signals, carry out different visions to driver in varied situations and pierce
Swash, good warning effect can also capture violation vehicle, and be transferred to the database of traffic management department, facilitate traffic
The management of administrative department has good applicability.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (10)
1. a kind of intelligent early-warning limit for height system, which is characterized in that including connect with control device preposition detection device, limit for height machine
Structure and candid photograph mechanism, the preposition detection device includes the first detection device, second detection device and third detection device, described
First detection device is used to detect speed when vehicle passes through second detection device, and the second detection device is for detecting vehicle
Height whether be more than setting height, the third detection device is used to detect vehicle by the speed after the first detection device,
The limit for height mechanism is used to limit passing through for the Overheight Vehicles detected by preposition detection device, and the limit for height mechanism is equipped with
The warning system connecting with control device, the warning system are used to issue information warning, the capture machine to vehicle driver
Structure is used for superelevation and is forced through the vehicle of limit for height mechanism and captures, and is transferred to traffic management department's database.
2. a kind of intelligent early-warning limit for height system as described in claim 1, which is characterized in that the second detection device includes position
The first column of both sides of the road is exercised in vehicle, first column top is respectively fixed with the emission part of the first opposite type sensor
And receiving unit, the emission part of first opposite type sensor and the mounting height of receiving unit are equal to the vehicle maximum height limit set.
3. a kind of intelligent early-warning limit for height system as described in claim 1, which is characterized in that the limit for height mechanism includes being located at vehicle
Second column of travel two sides is equipped with lifting column, the lifting unit of two lifting columns inside second column
Between be connected with cross bar, the lifting groove that lifting column can drive cross bar to be arranged along the second column moves up and down, cross bar rotation
It is connected with rotor plate, is equipped with warning system above cross bar.
4. a kind of intelligent early-warning limit for height system as claimed in claim 3, which is characterized in that second column top is equipped with
Solar panel and battery.
5. a kind of intelligent early-warning limit for height system as claimed in claim 3, which is characterized in that the warning system includes display dress
It sets and warning lamp, the display device is fixedly connected with the second column, for showing different grades of warning to vehicle driver
Signal, display vehicle maximum height limit and license board information, the warning lamp is fixedly connected with cross bar, for issuing light, to vehicle
Driver further warns.
6. a kind of intelligent early-warning limit for height system as claimed in claim 3, which is characterized in that second column and rotor plate patch
It is attached to be fixed with reflective strip.
7. a kind of intelligent early-warning limit for height system as described in claim 1, which is characterized in that the third detection device and limit for height
The first license plate recognition device is provided between mechanism, for detecting license board information.
8. a kind of intelligent early-warning limit for height system as claimed in claim 3, which is characterized in that the candid photograph mechanism includes that setting exists
Second opposite type sensor of cross bar and second license plate recognition device at limit for height mechanism rear, vehicle snapshot device are set, it is described
Second license plate recognition device is used to acquire the license board information of vehicle, and whether by force the second opposite type sensor for detecting Overheight Vehicles
By limit for height mechanism, the vehicle snapshot device is for capturing the Overheight Vehicles being forced through.
9. a kind of intelligent early-warning limit for height system as described in claim 1, which is characterized in that the third detection device and limit for height
Vehicle pass-through road side between mechanism is equipped with vehicle and suspends area, for temporarily being parked to Overheight Vehicles.
10. a kind of working method of the described in any item intelligent early-warning limit for height systems of claim 1-9, it is characterised in that: vehicle
When passing through second detection device, whether second detection device detection height of car meets by requiring, if meeting by requiring,
Warning system is shown to driver can be by signal, and vehicle can be normal through limit for height mechanism, if the vehicle of second detection device detection
Height is unsatisfactory for by requiring, then warning system shows impassabitity signal to driver, while the first detection device and the
Three detection devices detect the front and back velocity amplitude that vehicle passes through second detection device, and calculating speed difference, if speed difference is big
In or be equal to setting value, then represent vehicle and take brake measure, if speed difference is less than setting value, then warning system is to driver
It shows dangerous driving signal, if driver drives Overheight Vehicles and is forced through limit for height mechanism, captures mechanism and vehicle is carried out
It captures, and be transferred to traffic management department's database for information is captured.
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| CN110264738A (en) * | 2019-06-24 | 2019-09-20 | 武汉铁路职业技术学院 | Intelligent height limiting protection device and protection method thereof |
| CN110341706A (en) * | 2019-07-25 | 2019-10-18 | 浙江吉利汽车研究院有限公司 | A kind of person leakage skylight nocifensor |
| CN111455901A (en) * | 2020-03-09 | 2020-07-28 | 赵鹏 | Intelligent monitoring height limiting device for road traffic |
| CN112447049A (en) * | 2019-08-27 | 2021-03-05 | 北醒（北京）光子科技有限公司 | Intelligent height limiting system based on laser radar |
| CN113123263A (en) * | 2021-04-06 | 2021-07-16 | 江苏华美照明科技有限公司 | Solar intelligent traffic sign board |
| CN113223298A (en) * | 2021-04-23 | 2021-08-06 | 黄淮学院 | Vehicle height limiting warning system |
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| CN114808795A (en) * | 2022-06-06 | 2022-07-29 | 北京市政建设集团有限责任公司 | Intelligent height limiting device |
| CN115063951A (en) * | 2022-04-29 | 2022-09-16 | 国网山东省电力公司寿光市供电公司 | Triple intelligent warning device and method for power line road-crossing ultrahigh vehicle |
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| CN110264738B (en) * | 2019-06-24 | 2021-08-10 | 武汉铁路职业技术学院 | Intelligent height limiting protection device and protection method thereof |
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| CN112447049A (en) * | 2019-08-27 | 2021-03-05 | 北醒（北京）光子科技有限公司 | Intelligent height limiting system based on laser radar |
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| CN115079176A (en) * | 2022-06-07 | 2022-09-20 | 西安电子科技大学 | Road vehicle monitoring and height early warning system combining traffic radar and 4D millimeter wave radar |
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Application publication date: 20190528 |