CN109166330A - A kind of anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city - Google Patents
A kind of anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city Download PDFInfo
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
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Abstract
The present invention relates to a kind of anti-drowned early warning systems of the low-lying easy waterlogging section vehicle in city, including bridge, it is low-lying place below bridge, the system further includes superior control centre, water-level observation early warning controller, emergency parking, traffic guidance screen, traffic lights, two-way roadblock and video-unit, the water-level observation early warning controller, traffic guidance screen, traffic lights and video-unit are connected with superior control centre by wireless device respectively, the design of this system can provide the real time information of road ponding for decision-making section, it is current to arrange emergency traffic properly, open emergency stop place is set, also support is provided for municipal drainage Dispatch authorities, more trip early warning can be provided for the general common people in time.
Description
Technical field
The present invention relates to the low-lying easy waterlogging section vehicles of urban transportation guard system technical field, in particular to a kind of city
Anti- drowned early warning system.
Background technique
With the continuous prosperity of China's economy, the construction of big and medium-sized cities is also in by leaps and bounds high speed development, urban agglomeration
Constantly expand.In order to alleviate traffic pressure and guarantee the unimpeded of trip, many viaducts of many urban construction and
Under-traverse tunnel.In recent years, low-lying the phenomenon that there are a large amount of ponding under the city tunnel caused by heavy rainfall and viaduct
It happens occasionally, and has the tendency that growing in intensity, these phenomenons gently then cause vehicle water inlet to cast anchor impaired, life that is heavy then jeopardizing personnel
Life, or even the traffic in paralysis region, cause more to adversely affect, and relevant report is also commonplace at home.These are all
The highest attention of the relevant government departments such as municipal administration, municipal administration, flood control, road administration is caused.On the one hand we actively will build and manage
Pumping equipment has been managed, but the on the other hand construction low-lying section waterlogging monitoring and warning system in city, it is also extremely necessary.
Number of patent application 201420173630.7 discloses a kind of for the low-lying section ponding monitoring in city and vehicular traffic
Early warning system mainly passes through setting float switch water level section sensing device, is detected by it to water level, work as the depth of water
Issue early warning when reaching warning line line, the case where this operation is only when analysis water level reaches warning line, in addition, different
Vehicle, it is also different for fording depth, therefore the depth of its water level is needed to refine, if in addition, vehicle is because of water
Position is too deep, can not pass through, and it will cause the blockings of vehicle below, at this time if mediating without traffic police or other way, very
Difficulty handles this traffic, and the present invention proposes a kind of new solution in view of the above problems.
Summary of the invention
To be solved by this invention is that anti-drowned system is relatively simple, the degree of automation is low, function for vehicle in the prior art
Can be single and inconvenient to use the problems such as, it is anti-drowned pre- to provide a kind of low-lying easy waterlogging section vehicle in city in view of the above problems
Alert system, has solved problem above.
The technical scheme to solve the above technical problems is that a kind of low-lying easy waterlogging section vehicle in city is anti-drowned
Early warning system, including bridge, bridge lower section are low-lying place, which further includes superior control centre, water-level observation early warning control
Device, emergency parking, traffic guidance screen, traffic lights, two-way roadblock and video-unit, the water-level observation early warning controller are handed over
Logical induced screen, traffic lights and video-unit are connected with superior control centre by wireless device respectively.
The design of this system can provide the real time information of road ponding for decision-making section, and it is logical to arrange emergency traffic properly
Row is arranged open emergency stop place, also provides support for municipal drainage Dispatch authorities, can in time be more vast by old hundred
Surname provides trip early warning, and the loss of personnel and property are reduced in the low-lying waterlogging section of escape from danger, reduces urban waterlogging to trip
The influence of personnel.
Based on the above technical solution, the present invention can also be improved as follows.
In any of the above-described scheme preferably, the water-level observation early warning controller includes low power consumption control device and communication
Module, water level monitoring module, solar powered component and lightning rod, communication module, water level monitoring module, solar powered component
It is electrically connected respectively with low power consumption control device with lightning rod.
In any of the above-described scheme preferably, the water level detecting module includes ultrasonic level gage, passes through ultrasonic wave
Liquidometer detects water level, the ultrasonic level gage include super refreshing wave pop one's head in transmitter, ultrasonic probe recipient and
Ultrasonic transmission/reception chip, super refreshing wave probe transmitter and ultrasonic probe recipient are connected with ultrasonic transmission/reception chip respectively.
In any of the above-described scheme preferably, the communication module carries out information using GPRS or gsm wireless network
Transmission, and communicated by MODBUS serial communication and monitoring terminating machine (RTU).
In any of the above-described scheme preferably, the solar powered component include solar panel, battery and
Solar charging controller, solar panel and battery are connected with solar charging controller respectively.
In any of the above-described scheme preferably, the battery is lead-acid accumulator.
In any of the above-described scheme preferably, the low power consumption control device is low-power scm.
In any of the above-described scheme preferably, it is provided with LCD liquid crystal display screen on the ultrasonic level gage, the LCD
Visual type waterproof upper cover is provided on liquid crystal display.
In any of the above-described scheme preferably, the video-unit includes telemetering video camera.
In any of the above-described scheme preferably, there are two types of states at work for the traffic lights, and one is illuminating colors
For yellow, representing vehicle can slowly pass through, and another illuminating color is red, and representing vehicle, no through traffic.
The beneficial effects of the present invention are: design of the invention can provide the real-time letter of road ponding for decision-making section
Breath arranges emergency traffic properly and passes through, and open emergency stop place is arranged, also provides support for municipal drainage Dispatch authorities,
More trip early warning can be provided for the general common people in time, the damage of personnel and property are reduced in the low-lying waterlogging section of escape from danger
It loses, reduces influence of the urban waterlogging to administrative staff out.
Detailed description of the invention
Fig. 1 is a preferred embodiment of the anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city according to the invention
Total system module map；
Fig. 2 is a preferred embodiment water of the anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city according to the invention
The module map of position observation early warning controller；
Fig. 3 is that a preferred embodiment of the anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city according to the invention is whole
System system operational flow diagram；
Fig. 4 is a preferred embodiment water of the anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city according to the invention
Position observation early warning controller circuit connection diagram；
Fig. 5 is a preferred embodiment water of the anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city according to the invention
Position observation early warning controller hardware connection figure；
In attached drawing, parts list represented by the reference numerals are as follows:
1, low-lying place, 2, superior control centre, 3, water-level observation early warning controller, 4, emergency parking, 5, traffic guidance
Screen, 6, traffic lights, 7, two-way roadblock, 8, video-unit, 9, low power consumption control device, 10, communication module, 11, water level monitoring module,
12, solar powered component, 13, lightning rod, 14, ultrasonic level gage, 15, solar panel, 16, battery, 17, the sun
It can charge controller.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figures 1 to 5, the anti-drowned early warning system of the low-lying easy waterlogging section vehicle in a kind of city, including bridge, bridge
Lower section is low-lying place 1, which further includes superior control centre 2, water-level observation early warning controller 3, emergency parking 4, traffic
Induced screen 5, traffic lights 6, two-way roadblock 7 and video-unit 8, the water-level observation early warning controller 3, traffic guidance screen 5, traffic
Lamp 6 and video-unit 8 are connected with superior control centre 2 by wireless device respectively, and the design of this system can be decision-making section
Offer road ponding real time information, it is current to arrange emergency traffic properly, and open emergency stop place is arranged, is also municipal drainage
Dispatch authorities provide support, more can provide trip early warning, the low-lying waterlogging road of escape from danger in time for the general common people
Section reduces the loss of personnel and property, reduces influence of the urban waterlogging to administrative staff out.
In further specific embodiment, the water-level observation early warning controller 3 includes low power consumption control device 9, communication
Module 10, water level monitoring module 11, solar powered component 12 and lightning rod 13, communication module 10, water level monitoring module 11, too
Positive energy Power Supply Assembly 12 and lightning rod 13 are electrically connected with low power consumption control device 9 respectively, and the water level detecting module 11 includes super
Sonic liquid-level meter 14 detects water level by ultrasonic level gage 14, and the ultrasonic level gage 14 includes that super refreshing wave is visited
Hair emitter, ultrasonic probe recipient and ultrasonic transmission/reception chip, super refreshing wave probe transmitter and ultrasonic probe recipient
It is connected respectively with ultrasonic transmission/reception chip, is provided with LCD liquid crystal display screen on the ultrasonic level gage 14, the LCD liquid crystal
Visual type waterproof upper cover is provided in display screen.
In addition, also needing to consider the case when in addition, in order to maintain observation to save in controller estimated using water-level observation
The steady operation of point, microcontroller will also execute some other miscellaneous functions, for example, needing to examine for independently-powered node
The electricity of battery is surveyed, and issues low battery warning to monitoring center in low battery.In order to reduce system power dissipation as far as possible, adopt
With following measure:
A, observer nodes low power consumption control device uses low-power scm, such as MSP430 series or the low-power consumption system of C8051F
Column single-chip microcontroller consumes power 10mW if electric current is only 3mA to C8051F985 in 20MHz clock work.
B, the operating power consumption of observer nodes: difference in height hour is adjusted according to difference in height change rate, using long period interval
Observed stage, such as observation in every 1 minute or every 5 minutes are primary；When difference in height is larger, according to warning grade wanting for data acquisition
It asks and is configured, and according to the in due course early warning of menace level.
C, the power supply of water-level observation device can use: (a) directly utilize lower well periphery alternating current；(b) the small-sized storage of proposed adoption
Battery cooperates solar battery independently-powered.No matter use which kind of power supply mode, the considerations of low-power consumption is all system element.
In further specific embodiment, the communication module carries out information biography using GPRS or gsm wireless network
It is defeated, and communicated by MODBUS serial communication and monitoring terminating machine (RTU).
In further specific embodiment, the solar powered component includes solar panel 15, battery 16
With solar charging controller 17, solar panel 15 and battery 16 are connected with solar charging controller 17 respectively, institute
It states battery 16 and fixes one on bracket during installation in addition, solar panel is installed in upright bar for lead-acid accumulator
Anti-theft signal wire simultaneously accesses in RTU.Lead-acid accumulator and solar charging controller are placed in seal box, solar panel
The factors such as plant capacity, stream time, effective sunshine time are considered with the type selecting of battery.
In further specific embodiment, the video-unit 8 includes telemetering video camera.
In further specific embodiment, there are two types of states at work for the traffic lights 6, and one is illuminating colors to be
Yellow, representing vehicle can slowly pass through, and another illuminating color is red, and representing vehicle, no through traffic.
Embodiment: when encountering rainfall, the ultrasonic level gage in water-level observation device first obtained one every one minute
Secondary data, while opening video-unit 8 and obtaining video data, and these data are uploaded to control centre 2, and to low-lying place 1
The case where vehicle ponding at dealing low-lying place 1 is informed in the publication of traffic guidance screen 5 of neighbouring traffic intersection；When discovery ponding
When the warning grade of data is more than III grade, ultrasonic level meter is obtained according to the frequency ponding data for obtaining a data every 30 seconds
It takes, while continuing starting video-unit 8 and obtaining video data, and these data are uploaded to control centre 2, and to low-lying place
The case where traffic guidance screen 5 of traffic intersection near 1 releases news, and informs the vehicle ponding at dealing low-lying place 1, warning
Correlation pays attention to ponding by vehicle；When the warning grade for finding ponding data is more than II grade, ultrasonic level meter was according to every 10 seconds
The acquisition of the frequency ponding data an of data is obtained, while continuing starting video-unit 8 and obtaining video data, and these are counted
According to being uploaded to control centre 2, and the traffic guidance screen 5 for continuing the traffic intersection near low-lying place 1 releases news, and informs dealing
The case where vehicle ponding at low-lying place 1, while screen color is changed to dazzling beautiful red, the yellow for carrying out section is pre-
It is alert, it is proposed that related passing vehicle detours, while the traffic lights 6 for continuing the crossing near low-lying place 1 issues instruction, will open into low-lying
Prescription to lamp be changed to blinking yellow illumination；When the warning grade for finding ponding data is more than I grade, ultrasonic level meter is obtained according to per second
The acquisition of the frequency ponding data an of data is taken, while continuing starting video-unit 8 and obtaining video data, and by these data
It is uploaded to control centre 2, and the vehicle at the low-lying place 1 of dealing is informed in the publication of traffic guidance screen 5 of the traffic intersection near low-lying place 1
The case where ponding, while screen color is changed to dazzling beautiful red, the red early warning in section is carried out, vehicle is not allowed
By low-lying place 1, related passing vehicle is instructed to detour, while issuing instruction to the traffic lights 6 at the neighbouring crossing in low-lying place 1, it will
Lead to low-lying prescription to lamp be changed to red forbidden, open the two-way roadblock 7 in low-lying place 2, continue to open near low-lying place 2 related
Field 4 of stopping in emergency provide adjustment place to associated vehicle, while starting urgent prediction scheme, add send manpower and equipment processing ponding and
It instructs vehicle nearby or even carries out the relief of drowned personnel's vehicle；When the warning grade of ponding data is restored to III grade or less,
Ultrasonic level meter obtained the acquisition of the frequency ponding data of a data according to every 30 seconds, while continuing starting video-unit 8 and obtaining
Video data is taken, and these data are uploaded to control centre 2, and the traffic for continuing the traffic intersection near low-lying place 1 lures
The case where leading 5 release information of screen, informing the vehicle ponding at dealing low-lying place 2, while screen color is restored into normal color,
The red early warning in current section is changed to yellow early warning, while the traffic lights 6 for continuing the crossing near low-lying place 1 issues instruction,
Will open into low-lying prescription to lamp be changed to blinking yellow illumination, while the two-way roadblock 7 in low-lying place 1 being closed, it is (slow to restore vehicle pass-through
Row), the field 4 of stopping in emergency near low-lying place 1 continues to open, and until rainfall terminates, low-lying place's ponding disappears.
Water level warning grade is divided by three-level, for low-lying place's ponding situation, determines early warning etc. according to following ponding degree
Grade: 20cm≤Hn < 50cm, III grade；50cm≤Hn < 100cm, II grade；100cm≤Hn < 200cm, I grade.Hn=supersonic liquid level
Meter measurement water surface present level (unit: cm).
Water-level observation early warning controller univers parameter
Operating voltage: AC220V/DC12V
Temperature range: -25~+70 DEG C
Humidity range: relative humidity≤90%, no condensation≤95%
Water-level observation (early warning control) device working environment:
1. no electro-conductive dust, non-explosive, corrosive gas, without fierceness vibration, no liquid splash.
2. GPRS mode communicates, the good place of signal.
Power consumption index
Standby current: 10mA
T-time electric current: 60mA
Data transmission channel
Communication media: GSM, GPRS wireless network
Transmission error rates: 10-4
Transmission delay: GPRS mode: 1~2 second
Serial communication interface (RS232/485)
Interface type: RS232/RS485 is optional.
Serial ports rate: 300~19200bit/S
Data format: 8 data bit；1 stop position；1 start bit；No parity check/odd/even parity check can be set.
4 line state amount (switching value) input circuits
Input signal types: it inputs as uncharged open/close double-throw contact
Measurement accuracy: 0.01%
4 roads analog input circuit
Input signal types: 1. 4~20mA current signal
2. 0~5V voltage signal
Sample frequency: 50Hz
Most very much not damage input range:
Input current: -20~+30mA；
Input voltage: -0.5~+7V
Measurement accuracy: ± 0.5%
Ultrasonic level gage
Power supply: 12VDC-24VDC signal output: 4~20mA
Range: 1,3,5,7,10,12,15,17,20m
Transmitting full-shape: 6 °~9 °
Precision: 0.25~0.5%FS
Display: 6 LCD liquid crystal displays, using visual type waterproof upper cover
Operating mode: measurement distance and measurement liquid level mode are convertible
Liquid level mode: point " mounting height " mode or " current level " mode, it is optional
Current tracking: " i.e. abnormal with " mode or " abnormal to wait " mode, menu are optional
Blind area: 0.25~0.90m (size and range capability of blind area are directly proportional)
Resolving power: when measurement distance < 10m → 1mm；When measurement distance >=10m → 10mm
Degree of protection: Ip66
Environment temperature: -25~+65 DEG C
Outer dimension: 255 (height) × 145 (width) are free of waterproof inlet wire head × 138 (depth)
Installation form: flange (non-standard configuration) is installed in the installation of aperture luo mu additional
Rib-loop specification: thread size G2 aperture G2+3mm
Sheathing material: high-intensitive engineering nylon.
Communication module
4G communication module uses reliable and stable transmission mode, and passes through MODBUS serial communication and monitoring terminating machine
(RTU) it is communicated, 4G communication module supports the modes such as transparent transmission and encrypted transmission to upload data.Compatible 2G/3G signal.
Its main performance index is as follows:
It supports GSM/4G/CDMA (EVDO/WCDMA is optional)
SIM card 3V/1.8V
Serial data and configuration interface RS-232/RS485/SDI-12 bus
300~115,200bits/s of serial data rate
Voltage+3.3~+35VDC
Power consumption (outer voltage supplied value: 12V/1.5A)
Standby current 10mA
Count the 35~150mA of stream that conducts electricity
Operating ambient temperature -30~+70 DEG C
Storage temperature -40~+85 DEG C
Solar powered component
Solar electric power supply system includes the equipment such as solar panel, lead-acid accumulator and solar charging controller.Too
Positive energy solar panel is installed in upright bar, is fixed an Anti-theft signal wire on bracket during installation and is accessed in RTU.Lead acid storage battery
Pond and solar charging controller are placed in seal box.
The type selecting of solar panel and battery will consider plant capacity, stream time, effective sunshine time etc.
Factor.
1) solar panel prepares calculation method
Solar panel configures power (W)=equipment power dissipation (W) × daily working time (hour) × 1.2 (safety coefficient)
÷ [5 hours (daily effective time) × 0.6 (charge efficiency)]
It is selected in project: 30W
2) battery configuration calculation method:
Battery configuration capacity (Ah)=equipment power dissipation (W) × daily working time (hour)
× rainy days (number of days) ÷ [equipment supply voltage (V) × 0.6 (power supply efficiency)]
It is selected in project: 24AH
Solar panel important technological parameters:
Material: monocrystalline silicon；
Packing forms: high tempered glass lamination thoroughly；
Power: 30W
Output voltage: 12VDC
Crest voltage: 17.5V
Peak point current: 1.7A, 3.4A
Open-circuit voltage: 22V
Short circuit current: 2A, 3.8A
Solar cell module: 1 piece (containing bracket).
Lead-acid accumulator be 12V 38AH maintenance-free battery, main performance:
Resistance to over-discharge is electrical: 25 degrees Celsius, the battery of fully charged state carries out 3 week of constant-resistance discharge, restores capacity and exists
75% or more；
Resistance to charging: 25 degrees Celsius, the battery 0.1CA of fully charged state charges 48 hours, no leakage, no cell expansion
And rupture, open-circuit voltage is normal, and capacity maintenance rate is 95% or more；
Telemetering camera parameters
The key technical indexes is as follows:
1) pixel: 1,300,000 pixels；2) format: the image of jpeg format；3) resolution ratio are as follows: support: 320 × 240,640 ×
480,1280×960；4) communication modes: 485 communications；5) visual angle: 70 degree；6) it takes pictures distance: clear within 100 meters；7)
Operating voltage: direct current 12V ± 15%；8) operating temperature: -20 DEG C~+75 DEG C；9) working relative humidity :≤95% (40 DEG C).
3, traffic guidance screen parameter
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of anti-drowned early warning system of low-lying easy waterlogging section vehicle in city, including bridge, bridge lower section are low-lying place (1),
It is characterized in that, the system further includes superior control centre (2), water-level observation early warning controller (3), emergency parking (4), hands over
Logical induced screen (5), traffic lights (6), two-way roadblock (7) and video-unit (8), the water-level observation early warning controller (3), traffic
Induced screen (5), traffic lights (6) and video-unit (8) are connected with superior control centre (2) by wireless device respectively.
2. the anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city according to claim 1, which is characterized in that described
Water-level observation early warning controller (3) includes low power consumption control device (9), communication module (10), water level monitoring module (11), solar energy
Power Supply Assembly (12) and lightning rod (13), communication module (10), water level monitoring module (11), solar powered component (12) and keep away
Thunder needle (13) is electrically connected with low power consumption control device (9) respectively.
3. the anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city according to claim 2, which is characterized in that described
Water level detecting module (11) includes ultrasonic level gage (14).
4. the anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city according to claim 3, which is characterized in that described
Ultrasonic level gage (14) includes super refreshing wave probe transmitter, ultrasonic probe recipient and ultrasonic transmission/reception chip, super refreshing wave
Probe transmitter and ultrasonic probe recipient are connected with ultrasonic transmission/reception chip respectively.
5. the anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city according to claim 3, which is characterized in that described
Ultrasonic level gage is provided with LCD liquid crystal display screen on (14), and visual type waterproof upper cover is provided in the LCD liquid crystal display screen.
6. the anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city according to claim 1-5, feature
It is, the solar powered component includes solar panel (15), battery (16) and solar charging controller (17),
Solar panel (15) and battery (16) are connected with solar charging controller (17) respectively.
7. the anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city according to claim 6, which is characterized in that described
Battery (16) is lead-acid accumulator.
8. the anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city according to claim 1, which is characterized in that described
Video-unit includes telemetering video camera.
9. the anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city according to claim 1, which is characterized in that described
There are two types of states at work for traffic lights (6), are yellow one is illuminating color, representing vehicle can slowly pass through, another
Kind illuminating color is red, and representing vehicle, no through traffic.
10. the anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city according to claim 1, which is characterized in that institute
It states communication module and information transmission is carried out using GPRS or gsm wireless network, and eventually by MODBUS serial communication and monitoring
Terminal (RTU) is communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811067128.4A CN109166330A (en) | 2018-09-13 | 2018-09-13 | A kind of anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811067128.4A CN109166330A (en) | 2018-09-13 | 2018-09-13 | A kind of anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city |
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| CN110572910A (en) * | 2019-09-20 | 2019-12-13 | 山东旭程照明科技有限公司 | Automatic control device circuit of water leakage and electric shock preventing LED lamp |
| CN114727463A (en) * | 2022-04-20 | 2022-07-08 | 北京金石视觉数字科技有限公司 | Lamplight control method and system based on smart city Internet of things system |
| CN117870781A (en) * | 2024-03-13 | 2024-04-12 | 福建澳泰自动化设备有限公司 | Municipal road surface water detection early warning method and system based on road surface water remote measurement terminal |
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Application publication date: 20190108 |