CN111667707A - Urban traffic waterlogging early warning system - Google Patents
Urban traffic waterlogging early warning system Download PDFInfo
- Publication number
- CN111667707A CN111667707A CN202010613557.8A CN202010613557A CN111667707A CN 111667707 A CN111667707 A CN 111667707A CN 202010613557 A CN202010613557 A CN 202010613557A CN 111667707 A CN111667707 A CN 111667707A
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- road section
- water level
- road
- water
- upper computer
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000009825 accumulation Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 239000002352 surface water Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station
-
- 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
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Atmospheric Sciences (AREA)
- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses an urban traffic waterlogging early warning system which comprises a BIM modeling system for determining low-lying positions of all road sections, non-contact water level sensors arranged on the side surfaces of the low-lying positions of all the road sections and wireless receivers arranged on vehicles, wherein the non-contact water level sensors are wirelessly connected with an upper computer; the non-contact water level sensor comprises a mounting seat, and a through hole is formed in the mounting seat; the mounting seat is provided with a light emitter and at least two cameras; the light ray emitted by the light ray emitter passes through the lowest depression of the road section. The invention realizes the non-contact detection of the water depth of the road area in an inclined mode, reduces the installation cost of the water level sensor, correspondingly warns a driver of the accumulated water on the road surface, effectively reduces the anchoring caused by the vehicle wading in the city, simultaneously predicts the speed of the accumulated water and is convenient for timely disaster relief.
Description
Technical Field
The invention relates to the technical field of information, in particular to an urban traffic waterlogging early warning system.
Background
When rainfall is great, waterlogging easily appears in the city, lead to partial road to be flooded, and in road design, the crossroad of road crossing usually belongs to local low-lying area, easy ponding, and the vehicle can wade when the water level is lower, when the water level is higher, the vehicle is waded and is flamed out easily and cause the loss, and be unsuitable for installing contact's level sensor measurement water level on the road again, non-contact level sensor need be perpendicular with the surface of water when installation such as ultrasonic wave level sensor, consequently also be difficult to measure the water level in road middle part or need build L branch etc. and make ultrasonic wave level sensor can be in the middle part of the road and set up, but need the cost very high.
Disclosure of Invention
The invention discloses an urban traffic waterlogging early warning system, which realizes non-contact detection of the water depth of a road area in an inclined mode and gives corresponding warning to a driver for accumulated water on the road surface, thereby effectively reducing the anchoring caused by vehicle wading in a city, and simultaneously predicting the speed of the accumulated water, thereby facilitating timely disaster relief.
The purpose of the invention is realized by the following technical scheme:
an urban traffic waterlogging early warning system comprises a BIM modeling system for determining low-lying positions of all road sections, non-contact water level sensors mounted on the side faces of the low-lying positions of all the road sections and wireless receivers mounted on vehicles, wherein the non-contact water level sensors are connected with an upper computer in a wireless mode, and the upper computer is connected with the wireless receivers in a wireless mode; the non-contact water level sensor comprises a mounting seat, and a through hole is formed in the mounting seat; the mounting seat is provided with a light emitter and at least two cameras; the path of the light emitted by the light emitter passes through the lowest depression of the road section; the two cameras respectively take pictures of light spots or patterns irradiated on the road section where the light emitter is located and transmit the pictures to the upper computer, and the upper computer obtains the position of the center of the light spots or the patterns according to a three-point method; and establishing a coordinate system by taking the vertical direction of the light transmitter as a Y axis and the horizontal direction of the lowest depression of the road section as an X axis, obtaining the Y-axis coordinate of the center of the light spot or the pattern, namely obtaining the water depth of the lowest depression of the corresponding road section, and transmitting the water depth of the lowest depression of each road section to the wireless receiver.
In a further improvement, the wireless receiver is a smart phone; a preset warning water level is arranged in the upper computer, the upper computer compares the water depth of the bottommost position with the preset warning water level, and the road section exceeding the warning water level displays warning colors in the navigation of the smart phone.
In a further improvement, the BIM modeling system is also used for modeling the underground drainage pipeline and the road surface of each road section to obtain the maximum drainage speed of each road section; the BIM modeling system is in wireless connection with rainfall measurement points of all regions of a city to obtain real-time rainfall information of all regions; the upper computer subtracts the maximum drainage speed of each road section in real time according to the real-time rainfall of each road section to obtain the real-time water accumulation speed of each road section, and the real-time water accumulation speed is used as the water accumulation speed of the future time period; and taking the real-time water level detected by the non-contact water level sensor as the real-time accumulated water volume of each road section, predicting the time when the accumulated water of each road section exceeds the preset warning water level according to the accumulated water speed of the future time period of each road section, and sending the time to the wireless receiver.
In a further improvement, the upper computer sends the accumulated water depth and preset water level information of each road section to a government fire department.
In a further improvement, the through hole is fixedly installed through a bolt and a nut.
The invention has the advantages that:
the inclined road surface water depth non-contact detection is realized, the installation cost is greatly reduced, a driver is warned correspondingly of accumulated road surface water, the anchoring caused by wading of a vehicle in a city is effectively reduced, the accumulated water speed is predicted, and timely disaster relief is facilitated.
Drawings
The invention is further illustrated by means of the attached drawings, the content of which is not in any way limitative of the invention.
Fig. 1 is a schematic structural view of a non-contact water level sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples.
An urban traffic waterlogging early warning system comprises a BIM modeling system for determining low-lying positions of all road sections, non-contact water level sensors mounted on the side faces of the low-lying positions of all the road sections and wireless receivers mounted on vehicles, wherein the non-contact water level sensors are connected with an upper computer in a wireless mode, and the upper computer is connected with the wireless receivers in a wireless mode; the non-contact water level sensor comprises a mounting seat 1, wherein a through hole 2 is formed in the mounting seat 1; the mounting base 1 is provided with a light emitter 3 and at least two cameras 4; the light ray emitted by the light emitter 3 passes through the lowest depression of the road section; the two cameras 4 respectively take pictures of light spots or patterns irradiated on the road section where the light emitter 3 is located and transmit the pictures to the upper computer, and the upper computer obtains the position of the center of the light spots or the patterns according to a three-point method; and establishing a coordinate system by taking the vertical direction of the light transmitter 3 as a Y axis and the horizontal direction of the lowest depression of the road section as an X axis, obtaining Y-axis coordinates of the centers of the light spots or the patterns, namely obtaining the water depth of the lowest depression of the corresponding road section, and transmitting the water depth of the lowest depression of each road section to the wireless receiver. The wireless receiver is a smart phone; a preset warning water level is arranged in the upper computer, the upper computer compares the water depth of the bottommost position with the preset warning water level, and the road section exceeding the warning water level displays warning colors in the navigation of the smart phone. The positioning accuracy can also be increased for three or four cameras 4.
The BIM modeling system is also used for modeling the underground drainage pipelines and the road surface of each road section to obtain the maximum drainage speed of each road section; the BIM modeling system is in wireless connection with rainfall measurement points of all regions of a city to obtain real-time rainfall information of all regions; the upper computer subtracts the maximum drainage speed of each road section in real time according to the real-time rainfall of each road section to obtain the real-time water accumulation speed of each road section, and the real-time water accumulation speed is used as the water accumulation speed of the future time period; and taking the real-time water level detected by the non-contact water level sensor as the real-time accumulated water volume of each road section, predicting the time when the accumulated water of each road section exceeds the preset warning water level according to the accumulated water speed of the future time period of each road section, and sending the time to the wireless receiver.
And the upper computer sends the accumulated water depth and the preset water level information of each road section to a government fire department.
The through hole 2 is fixedly installed by a bolt 5 and a nut 6.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The urban traffic waterlogging early warning system is characterized by comprising a BIM modeling system for determining low-lying positions of all road sections, non-contact water level sensors mounted on the side surfaces of the low-lying positions of all the road sections and wireless receivers mounted on vehicles, wherein the non-contact water level sensors are wirelessly connected with an upper computer; the non-contact water level sensor comprises a mounting seat (1), and a through hole (2) is formed in the mounting seat (1); the mounting seat (1) is provided with a light emitter (3) and at least two cameras (4); the light ray emitted by the light emitter (3) passes through the lowest depression of the road section; the two cameras (4) respectively take pictures of light spots or patterns irradiated on the road section where the light emitter (3) is located and transmit the pictures to the upper computer, and the upper computer obtains the position of the center of the light spots or the patterns according to a three-point method; and establishing a coordinate system by taking the vertical direction of the light transmitter (3) as a Y axis and the horizontal direction of the lowest depression of the road section as an X axis, obtaining the Y-axis coordinate of the center of the light spot or the pattern, namely obtaining the water depth of the lowest depression of the corresponding road section, and transmitting the water depth of the lowest depression of each road section to the wireless receiver.
2. The urban traffic waterlogging early warning system according to claim 1, wherein the wireless receiver is a smartphone; a preset warning water level is arranged in the upper computer, the upper computer compares the water depth of the bottommost position with the preset warning water level, and the road section exceeding the warning water level displays warning colors in the navigation of the smart phone.
3. The urban traffic waterlogging early warning system according to claim 1, wherein the BIM modeling system is further configured to model underground drainage pipelines and road surfaces of each road section to obtain a maximum drainage speed of each road section; the BIM modeling system is in wireless connection with rainfall measurement points of all regions of a city to obtain real-time rainfall information of all regions; the upper computer subtracts the maximum drainage speed of each road section in real time according to the real-time rainfall of each road section to obtain the real-time water accumulation speed of each road section, and the real-time water accumulation speed is used as the water accumulation speed of the future time period; and taking the real-time water level detected by the non-contact water level sensor as the real-time accumulated water volume of each road section, predicting the time when the accumulated water of each road section exceeds the preset warning water level according to the accumulated water speed of the future time period of each road section, and sending the time to the wireless receiver.
4. The urban traffic waterlogging early warning system according to claim 3, wherein the upper computer sends information of the waterlogging depth and the preset water level of each road section to a government fire department.
5. The urban traffic waterlogging early warning system according to claim 1, wherein the through-hole (2) is fixed by a bolt (5) and a nut (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010613557.8A CN111667707A (en) | 2020-06-30 | 2020-06-30 | Urban traffic waterlogging early warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010613557.8A CN111667707A (en) | 2020-06-30 | 2020-06-30 | Urban traffic waterlogging early warning system |
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| Publication Number | Publication Date |
|---|---|
| CN111667707A true CN111667707A (en) | 2020-09-15 |
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ID=72390582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010613557.8A Pending CN111667707A (en) | 2020-06-30 | 2020-06-30 | Urban traffic waterlogging early warning system |
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| Country | Link |
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| CN (1) | CN111667707A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923543A (en) * | 2022-03-15 | 2022-08-19 | 上海碧波水务设计研发中心 | Quick early warning device of urban low-lying highway section ponding |
-
2020
- 2020-06-30 CN CN202010613557.8A patent/CN111667707A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923543A (en) * | 2022-03-15 | 2022-08-19 | 上海碧波水务设计研发中心 | Quick early warning device of urban low-lying highway section ponding |
| CN114923543B (en) * | 2022-03-15 | 2024-03-26 | 上海碧波水务设计研发中心 | Quick early warning device of urban low-lying road section ponding |
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