CN117222075A - Intelligent photovoltaic lighting control system for urban intelligent bridge - Google Patents
Intelligent photovoltaic lighting control system for urban intelligent bridge Download PDFInfo
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- 238000007689 inspection Methods 0.000 claims abstract description 6
- 238000004134 energy conservation Methods 0.000 claims abstract description 5
- 238000010248 power generation Methods 0.000 claims description 75
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Abstract
The invention discloses an intelligent photovoltaic lighting control system for an urban intelligent bridge, which relates to the technical field of lighting control systems, and the intelligent photovoltaic lighting control system comprises an intelligent optoelectronic system: control bridge light and energy-conservation, intelligent weighing subsystem: and (3) implementing warning interception on the overloaded vehicle according to the bridge carrying capacity, and an intelligent bridge monitoring subsystem: realize bridge operation and safety inspection, intelligent monitoring subsystem: is responsible for operation detection and safety monitoring. The intelligent photovoltaic lighting control system for the urban intelligent bridge can adjust light at any time according to actual conditions, so that the purpose of one bridge and one scene is achieved, whether a vehicle is overloaded or not can be judged, good treatment can be achieved when the bearing capacity of the bridge is overweight, and a plurality of subsystems are mutually matched, so that the aspects of bridge operation and scene coordination can be considered.
Description
Technical Field
The invention relates to the technical field of lighting control systems, in particular to an intelligent photovoltaic lighting control system for an urban intelligent bridge.
Background
The urban bridge is not only an important component part formed by urban road networks, but also an urban management level display board, and meanwhile, the monitoring of the safety operation of the bridge is the first thing of the current urban management department due to the different construction ages of the urban bridge.
The intelligent system construction of urban bridge photovoltaic in the present market utilizes photovoltaic power generation to set up intelligent lamps and lanterns, and the effect of illumination can be realized to intelligent lamps and lanterns on the one hand, and on the other hand can also realize a bridge scene's purpose, can also realize recording bridge geographic information, highway section sign, wisdom monitor function simultaneously to can also detect the overall structure of bridge through multiple instrument, thereby judge the overall stability of bridge, realized social network management like this, improved the public safety of guarantee and the ability of handling the emergent public incident, furthest prevent and reduce emergent public incident and harm that causes.
However, the existing intelligent photovoltaic lighting control system cannot solve the pain points in the aspects of the running safety and landscape coordination of the current urban bridge, cannot be compatible in the aspects of the bridge running and the landscape coordination, cannot be combined with the external environment to be matched when the bridge normally runs, cannot be adjusted at any time according to actual conditions, cannot be good enough in the aspect of bridge detection safety, cannot judge whether overload exists according to the types of vehicles, has certain potential safety hazards when the bridge bears load, and needs to prompt workers to coordinate through warning, so that the solution is not good enough.
Disclosure of Invention
The intelligent photovoltaic lighting control system for the urban intelligent bridge can effectively solve the problems that the existing intelligent photovoltaic lighting control system in the background art cannot solve the pain points in the aspects of operation safety and landscape coordination of the current urban bridge, cannot be compatible in the aspects of bridge operation and landscape coordination, cannot be combined with external environments to be matched together in normal operation of the bridge, cannot be regulated at any time according to actual conditions, cannot be well made in the aspect of bridge detection safety, cannot judge whether overload exists according to the type of a vehicle, has a certain potential safety hazard when the bridge bears load, and the system needs to prompt workers to coordinate through warning, so that the problem that the method is not well solved.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: an intelligent photovoltaic lighting control system for an urban intelligent bridge, comprising an intelligent optoelectronic system: control bridge light and energy-conservation, intelligent weighing subsystem: and (3) implementing warning interception on the overloaded vehicle according to the bridge carrying capacity, and an intelligent bridge monitoring subsystem: realize bridge operation and safety inspection, intelligent monitoring subsystem: is responsible for running detection and safety monitoring;
the intelligent optoelectronic system controls bridge light and saves energy and comprises a plurality of photovoltaic power generation modules, the photovoltaic power generation modules are arranged at the top end and the side face of the bridge independently, the photovoltaic power generation modules are not interfered with each other, a lighting device, a light color changing device, a timing device and a light intensity detection device are arranged in the photovoltaic power generation modules, the lighting device in the photovoltaic power generation modules controls the light intensity of the photovoltaic power generation modules, the light color changing device in the photovoltaic power generation modules controls the light color of the photovoltaic power generation modules, the distribution of the photovoltaic power generation modules is controlled according to the size of a bridge lighting area, the timing device in the photovoltaic power generation modules controls the switch of the lighting device, the lighting device is turned on in a preset time zone, the lighting device is turned off in other time zones, the timing device in each photovoltaic power generation module is interfered with the use of the corresponding photovoltaic power generation module respectively, the lighting intensity and the lighting time of different areas of the bridge are different, the lighting device in the plurality of timing devices respectively adjusts the light intensity of the corresponding photovoltaic power generation modules according to the lighting intensity and the lighting time of different areas of the bridge, the lighting device in the preset time zone is started up through the timing device, the light intensity of the lighting device in the photovoltaic power generation modules is controlled by the timing device when the light intensity of the photovoltaic power generation modules is controlled by the vehicle light of the vehicle light intensity in the different light intensity of the vehicle light intensity of the photovoltaic power generation module, the light intensity is reduced, and the light intensity of the outside is reflected light of the photovoltaic power generation module in the outside light is greatly changed in the outside when the light outside light device is detected on the outside light device;
the intelligent weighing subsystem is used for dynamically weighing the bridge and comprises a plurality of groups of weighing modules, an acquisition module, a bridge monitoring module, a vehicle information management module, a vehicle license plate identification module, a central processing module, an alarm module and a gate intelligent blocking and stopping module, and the bridge is intelligently controlled and protected in real time through the bridge monitoring module; the weight of each vehicle and the total weight on the bridge are accurately obtained through the weighing module, the vehicle license plate is identified through the vehicle license plate identification module and then sent to the vehicle information management module for recording, whether the vehicle is overloaded or not is judged through comparison of the carrying capacity of the vehicle information, the total weight of the vehicle on the bridge is ensured to be in a reasonable range, the safety of the bridge is ensured, when the total weight of the vehicle on the bridge is out of a preset total weight area, the weighing module transmits overweight information to the acquisition module and then to the central processing module, the central processing module transmits a command to the alarm module to give an alarm, the central processing module controls the gate intelligent stopping module to be started, the vehicle is stopped to be on the bridge, the weighing module transmits information to the acquisition module after the total weight of the vehicle on the bridge is in a safety value area, the acquisition module transmits the alarm module to control the alarm module to stop giving an alarm, and the central processing module controls the gate intelligent stopping module to be closed, so that the vehicle is on the bridge;
the intelligent bridge monitoring subsystem mainly monitors safety performance of a bridge and comprises a plurality of groups of deflection meters, inclination monitoring instruments, stress monitoring instruments, cable force monitoring instruments, vibration measuring instruments, crack detecting instruments, temperature and humidity sensors and wind speed and wind direction sensors, wherein the stress monitoring instruments detect dynamic curve values of internal and external stress of the bridge under the action of the inclination monitoring instruments, the cable force monitoring instruments and the vibration measuring instruments, processing software is applied to obtain impact coefficients of loads and internal structural force distribution states of the bridge from dynamic curve value analysis, and weak parts and structural integrity of the bridge are judged by the impact coefficients of the loads and the internal structural force distribution states of the bridge;
the intelligent monitoring subsystem is mainly used for running detection and safety monitoring and comprises an alarm module and a high-definition camera, after the situation that individual equipment fails, the alarm module is arranged to prompt the failure situation and three modes of alarm are notified through a control center, a mobile terminal and mail, other good lighting facilities are not affected to be started and closed on time, and the high-definition camera is arranged on the upper portion and the lower portion of the bridge to detect the running situation of the bridge in real time.
Preferably, the intelligent optoelectronic system further comprises a double-glass solar panel, lithium batteries, a controller and an anti-theft box, wherein a plurality of double-glass solar panels are respectively electrically connected with the corresponding lithium batteries, the top ends of the double-glass solar panels are respectively connected with the corresponding photovoltaic power generation modules, and the controller and the lithium batteries are all arranged in the anti-theft box.
Preferably, the output ends of the weighing module, the bridge monitoring module and the vehicle license plate identification module are connected with the input end of the acquisition module, the acquisition module is connected with the central processing module and the vehicle information management module in a bidirectional manner, the central processing module is connected with the bridge monitoring module in a bidirectional manner, and the output ends of the central processing module are respectively connected with the input ends of the vehicle license plate identification module, the alarm module and the gate intelligent blocking and stopping module.
Preferably, the vehicle information management module is used for storing vehicle information, the vehicle information is information of vehicle color, model, load, dead weight, height, width and driver, the vehicle license plate identification module is used for identifying a vehicle license plate and confirming that the vehicle information is consistent with the license plate, the bridge monitoring module comprises an infrared sensor, a positioning module and a camera module, and the infrared sensor is used for sensing the vehicle; the positioning module is used for determining the position information of the vehicle after the infrared sensor senses the vehicle, shooting the picture of the vehicle through the camera module, then sending the picture of the vehicle to the vehicle license plate recognition module through the central processing module to recognize the license plate of the vehicle, sending the license plate information of the vehicle to the acquisition module, and sending the license plate information of the vehicle to the vehicle information management module to be compared with the detailed information in the vehicle license plate by the acquisition module.
Preferably, the inclination monitoring instrument comprises a mounting box, a foot screw, a connecting support, a protection cylinder, a communicating pipe, a suspension sensor, horizontal bubbles, an electronic sensor, a data transmission device, a mobile power supply and a bubble fixing device, wherein the mounting box is used for fixing the instrument on a monitored object to monitor the change of the object, the electronic sensor above the mounting box transmits measured parameters to the data transmission device in the mounting box and then transmits the measured parameters to a computer through wireless transmission, and the suspension sensor, the electronic sensor and the data transmission device are electrically connected with the mobile power supply.
Preferably, the stress monitoring instrument comprises a data collector, a surface strain gauge and a wireless transceiver module, wherein each bridge area is provided with a multi-channel data collector, the data collector is connected with the surface strain gauge through an electric wire, meanwhile, the data collector is connected with the wireless transceiver module, all-weather automatic frequency value and resistance value are collected by the data collector, the collected data are wirelessly transmitted through the installed wireless transceiver module, are received and transmitted to a computer indoors through a network, and the data received by the computer are processed in real time through special software to generate a report and a stress change curve graph.
Preferably, the control circuit of the vibration measuring instrument comprises a magnetoelectric sensor signal input end, a signal amplifying circuit, a band-pass filter circuit and a detection display circuit which are sequentially connected, and an automatic detection circuit is connected between the magnetoelectric sensor signal input end and the signal amplifying circuit and is used for automatically and immediately detecting line faults and measuring sensor signals.
Preferably, a plurality of temperature and humidity sensors are respectively arranged at the bridge deck, the bridge bottom and the beam body, one side of each temperature and humidity sensor is provided with an Ethernet type temperature and humidity transmitter, and the temperature and humidity data are collected through the Ethernet type temperature and humidity transmitter and uploaded to the server through an Ethernet mode.
Preferably, one side of the wind speed and direction sensor is also provided with a flow sensor, an A/D conversion chip, an operational amplifier, a transmitter, a receiver and a wireless module, the flow sensor converts the wind speed into a voltage signal, the A/D conversion chip and the operational amplifier convert the two analog signals into digital signals, the single chip microcomputer is used for reading and processing the digital signals by the transmitter of the main control unit, then the single chip microcomputer sends the processed data packet to the receiver through the wireless module, and the receiver receives the data packet by the wireless module and then analyzes the data packet and stores the data packet.
Compared with the prior art, the invention has the following beneficial effects:
1. in the invention, through the arrangement of the intelligent photoelectronic system, as the lighting device, the lamplight color changing device, the timing device and the light intensity detecting device are arranged in the photovoltaic power generation module, the lighting device and the lamplight color changing device are matched to ensure that the light intensity and the light color of different photovoltaic power generation modules are different, the bottom end and the top end of the bridge control the distribution of the photovoltaic power generation module according to the size of a lighting area, and the plurality of different photovoltaic power generation modules can control the light intensity and the color of the lighting device, thereby realizing the purpose of one bridge, the timing device in each photovoltaic power generation module respectively intervenes the use of the corresponding photovoltaic power generation module, the illumination intensity and the illumination time of different areas of the bridge are different, the timing device adjusts the use time of each photovoltaic power generation module according to the illumination intensity and the illumination time of different areas of the bridge, the photovoltaic power generation module can also automatically adjust according to the illumination time and the quantification requirement of each region, after the photovoltaic power generation module is started by the timing device in a preset time zone, the light intensity detection device in the photovoltaic power generation module detects the external natural light intensity, the illumination device is controlled according to the intensity of the external light intensity to ensure that the light intensity emitted by the photovoltaic power generation module changes, whether the photovoltaic power generation module is switched on or off can be determined according to the natural light intensity in the preset time zone, when the vehicle comes above a bridge, the light of the vehicle headlight irradiates the light intensity detection devices in different photovoltaic power generation modules, the light intensity of the illumination device is reduced to reduce the reflected light of the vehicle, the intelligent optoelectronic system is matched with the photovoltaic power generation module to control the switch lamp and adjust the light intensity in a time period of the whole bridge, and the light of the photovoltaic power generation module is adjusted at any time according to the actual conditions on the bridge.
2. According to the invention, through the arrangement of the intelligent weighing subsystem, the weight of each vehicle and the total weight on the bridge can be accurately obtained through the weighing module, the vehicle information is obtained after the vehicle is identified through the vehicle license plate identification module and recorded through the vehicle information management module, whether the vehicle is overloaded or not can be judged through comparing the bearing capacity of the vehicle information, if the vehicle is overloaded, a worker at the exit of the bridge can stop the vehicle, and measure the overweight again and penalize the vehicle, when the total weight on the bridge exceeds the preset total weight area, the alarm module gives an alarm, then the central processing module controls the gate intelligent stopping module to open, the vehicle is stopped to get on the bridge until the total weight of the vehicle on the bridge is in the safety value area, and the central processing module controls the gate intelligent stopping module to close, so that the vehicle is on the bridge, the potential safety hazard is reduced as much as possible, and the bridge can be well processed when the bearing capacity of the bridge is overweight.
3. According to the invention, through the arrangement of the intelligent bridge monitoring subsystem, the stress monitoring instrument detects dynamic curve values of internal and external stress of the bridge under the action of the inclination monitoring instrument, the cable force monitoring instrument and the vibration measuring instrument, the impact coefficient of load and the internal structural force distribution state can be obtained from dynamic curve value analysis by application of processing software, and the impact coefficient of load and the internal structural force distribution state are utilized to judge the weak part and the structural integrity of the bridge, so that the safety and the stability of the bridge are further ensured.
4. According to the intelligent bridge monitoring system, the intelligent optoelectronic system, the intelligent weighing subsystem, the intelligent bridge monitoring subsystem and the intelligent monitoring subsystem are arranged, the intelligent optoelectronic system can control the light and the view coordination according to the external environment, the intelligent weighing subsystem and the intelligent bridge monitoring subsystem can detect the safety and the reliability of a bridge, and the intelligent monitoring subsystem can intuitively know and master the traffic dynamics and the equipment perfection of a monitoring area through the real-time browsing, recording, intelligent behavior early warning and intelligent identification modes of high-definition images, so that the intelligent weighing subsystem, the intelligent bridge monitoring subsystem and the intelligent monitoring subsystem are mutually matched, and the bridge operation and the view coordination can be considered.
Drawings
FIG. 1 is a system block diagram of an intelligent photovoltaic lighting control system for an urban intelligent bridge of the present invention;
FIG. 2 is a schematic diagram of the intelligent weighing subsystem in the intelligent photovoltaic lighting control system for the urban intelligent bridge;
FIG. 3 is a block flow diagram of an intelligent weighing subsystem in an intelligent photovoltaic lighting control system for an urban intelligent bridge according to the present invention;
fig. 4 is a block flow diagram of an intelligent monitoring subsystem in an intelligent photovoltaic lighting control system for an urban intelligent bridge.
Description of the embodiments
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, in a first embodiment, an intelligent photovoltaic lighting control system for an urban intelligent bridge is provided, which includes an intelligent optoelectronic system: control bridge light and energy-conservation, intelligent weighing subsystem: and (3) implementing warning interception on the overloaded vehicle according to the bridge carrying capacity, and an intelligent bridge monitoring subsystem: realize bridge operation and safety inspection, intelligent monitoring subsystem: is responsible for running detection and safety monitoring;
the intelligent photoelectronic system for controlling bridge light and saving energy comprises a plurality of photovoltaic power generation modules, wherein the photovoltaic power generation modules are independently arranged at the top end and the side surface of the bridge, the photovoltaic power generation modules are not mutually interfered, a lighting device, a light color changing device, a timing device and a light intensity detection device are arranged in the photovoltaic power generation modules, the lighting device in the photovoltaic power generation module controls the light intensity of the photovoltaic power generation module, the light color changing device in the photovoltaic power generation module controls the light color of the photovoltaic power generation module, the distribution of the photovoltaic power generation module is controlled according to the size of a bridge lighting area, the light intensity and the color of a corresponding lighting device can be controlled by utilizing a plurality of different photovoltaic power generation modules, thereby realizing the purpose of one bridge, the timing device in the photovoltaic power generation module controls the switch of the lighting device, the lighting device is started in a preset time section, turning off the lighting device in other time sections, respectively intervening the use of the corresponding photovoltaic power generation module by the timing device in each photovoltaic power generation module, respectively adjusting the use time of the lighting device in the corresponding photovoltaic power generation module by the plurality of timing devices according to the illumination intensity and illumination time of different areas of the bridge, starting the photovoltaic power generation module by the timing device in a preset time section, detecting the external natural light intensity by the light intensity detection device in the photovoltaic power generation module, controlling the light intensity change sent by the lighting device in the photovoltaic power generation module according to the intensity of the external light intensity, determining whether the photovoltaic power generation module is on or off according to the natural light intensity in the preset time section, when the vehicle comes above the bridge, irradiating the light of the vehicle headlight on the light intensity detection devices in the different photovoltaic power generation modules, the intelligent optoelectronic system further comprises a double-glass solar cell panel, a lithium battery, a controller and an anti-theft box, wherein the double-glass solar cell panels are respectively and electrically connected with the corresponding lithium batteries, the tops of the double-glass solar cell panels are respectively connected with the corresponding photovoltaic power generation modules, the controller and the lithium batteries are arranged in the anti-theft box, the intelligent optoelectronic system is matched with the photovoltaic power generation modules to control the switch lamp and adjust the light intensity of the whole bridge at different time intervals, and the light of the photovoltaic power generation modules is adjusted at any time according to the actual conditions on the bridge;
the intelligent weighing subsystem is used for dynamically weighing the bridge and comprises a plurality of groups of weighing modules, an acquisition module, a bridge monitoring module, a vehicle information management module, a vehicle license plate identification module, a central processing module, an alarm module and a gate intelligent blocking and stopping module, and the bridge monitoring module is used for realizing intelligent control and protecting the bridge in real time; the output ends of the weighing module, the bridge monitoring module and the vehicle license plate identification module are connected with the input end of the acquisition module, the acquisition module is connected with the central processing module and the vehicle information management module in a bidirectional manner, the central processing module is connected with the bridge monitoring module in a bidirectional manner, the output end of the central processing module is respectively connected with the input ends of the vehicle license plate identification module, the alarm module and the gate intelligent blocking and stopping module, the weight of each vehicle and the total weight on a bridge are accurately obtained through the weighing module, the vehicle license plate is identified through the vehicle license plate identification module and then sent to the vehicle information management module for recording through the acquisition module, the vehicle information management module is used for storing vehicle information, the vehicle information is the information of the color, the model, the weight, the self weight, the height, the width and the driver of the vehicle, the vehicle license plate identification module is used for identifying the vehicle license plate and confirming that the vehicle information is consistent with the license plate, the bridge monitoring module comprises an infrared sensor, a positioning module and a camera module, and the infrared sensor is used for sensing the vehicle; the positioning module is used for determining the position information of the vehicle after the infrared sensor senses the vehicle, shooting the photo of the vehicle through the camera module, then sending the photo of the vehicle to the vehicle license plate recognition module through the central processing module to recognize the license plate of the vehicle, sending the license plate information of the vehicle to the acquisition module, sending the license plate information of the vehicle to the vehicle information management module to be compared with the detailed information in the license plate of the vehicle, judging whether the vehicle is overloaded or not through comparison of the bearing capacity of the vehicle information, ensuring that the total weight of the vehicle on the bridge is in a reasonable range, ensuring the safety of the bridge, when the total weight of the vehicle on the bridge is out of a preset total weight area, transmitting the overweight information to the acquisition module to the central processing module, transmitting a command to the alarm module to send an alarm, controlling the brake port intelligent stop module to be opened, stopping the vehicle on the bridge until the total weight of the vehicle on the bridge is in a safe value area, and controlling the alarm module to stop the alarm module to be closed through the central processing module;
the weight of each vehicle and the total weight on the bridge can be accurately obtained through the weighing module, the vehicle information is obtained after the vehicle is identified through the vehicle license plate identification module and recorded through the vehicle information management module, whether the vehicle is overloaded or not can be judged after the bearing capacity of the vehicle information is compared, if the vehicle is overloaded, workers at the bridge exit can stop the vehicle, measure the vehicle again and penalize the vehicle if the vehicle is overweight, the total weight on the bridge can be ensured to be in a reasonable range, the safety of the bridge is ensured, when the total weight of the vehicle on the bridge is out of a preset total weight area, the alarm module gives an alarm, the central processing module controls the gate intelligent stop module to open, the vehicle is stopped to go up the bridge until the total weight of the vehicle on the bridge is in a safety value area, and the central processing module controls the gate intelligent stop module to close, so that potential safety hazards are reduced as much as possible, and the bridge can be well processed when the bearing capacity of the bridge is overweight.
The intelligent bridge monitoring subsystem is mainly used for monitoring the safety performance of a bridge and comprises a plurality of groups of deflection meters, inclination monitoring instruments, stress monitoring instruments, cable force monitoring instruments, vibration measuring instruments, crack detecting instruments, temperature and humidity sensors and wind speed and wind direction sensors;
the inclination monitoring instrument comprises a mounting box, a foot screw, a connecting support, a protection cylinder, a communicating pipe, a suspension inductor, horizontal bubbles, an electronic inductor, a data transmission device, a mobile power supply and a bubble fixing device, wherein the mounting box is used for mounting and fixing the instrument on a monitored object to monitor the change of the object, the electronic inductor above the mounting box is used for transmitting measured parameters into the data transmission device in the mounting box and then transmitting the measured parameters into a computer through wireless, and the suspension inductor, the electronic inductor and the data transmission device are electrically connected with the mobile power supply;
the stress monitoring instrument comprises a data collector, a surface strain gauge and a wireless transceiver module, wherein a multi-channel data collector is arranged in each bridge area, the data collector is connected with the surface strain gauge through an electric wire, meanwhile, the data collector is connected with the wireless transceiver module, the data collector can automatically collect the frequency value and the resistance value of the stress monitoring instrument in all weather, the collected data are transmitted in a wireless mode through the installed wireless transceiver module, the collected data are received and transmitted to a computer in a room through a network, the data received by the computer are processed in real time through special software, and a report and a stress change curve graph can be directly generated;
the control circuit of the vibration measuring instrument comprises a magnetoelectric sensor signal input end, a signal amplifying circuit, a band-pass filter circuit and a detection display circuit which are connected in sequence, wherein an automatic detection circuit is connected between the magnetoelectric sensor signal input end and the signal amplifying circuit, and the circuit is used for automatically and immediately detecting line faults and measuring sensor signals;
the temperature and humidity sensors are respectively arranged at the bridge deck, the bridge bottom and the beam body, one side of each temperature and humidity sensor is provided with an Ethernet type temperature and humidity transmitter, and the temperature and humidity data can be acquired through the Ethernet type temperature and humidity transmitter and uploaded to the server through an Ethernet mode;
the wind speed and wind direction sensor is characterized in that one side of the wind speed and wind direction sensor is also provided with a flow sensor, an A/D conversion chip, an operational amplifier, a transmitter, a receiver and a wireless module, the flow sensor converts the wind speed into a voltage signal, the A/D conversion chip and the operational amplifier convert the two analog signals into digital signals, the digital signals are read in and processed by the transmitter of the singlechip serving as a main control unit, the singlechip sends the processed data packet to the receiver through the wireless module, and the receiver analyzes and stores the data packet after receiving the data packet through the wireless module;
the dynamic curve values of the internal and external stress of the bridge can be detected through the stress monitoring instrument under the action of the inclination monitoring instrument, the cable force monitoring instrument and the vibration measuring instrument, the impact coefficient of the load and the internal force distribution state of the structure can be obtained from dynamic curve value analysis by using the processing software, and the impact coefficient of the load and the internal force distribution state of the structure are utilized to judge the weak part and the structural integrity of the bridge, so that the safety and the stability of the bridge are further ensured.
The intelligent monitoring subsystem is mainly used for running detection and safety monitoring and comprises an alarm module and a high-definition camera, after the situation that individual equipment fails, the alarm module is arranged to prompt the failure situation and three modes of alarm are notified through a control center, a mobile terminal and mail, other perfect lighting facilities are not affected to be opened and closed on time, the high-definition camera is arranged on the upper part and the lower part of a bridge to detect the running situation of the bridge in real time, the real-time information acquisition affecting bridge safety events and time stamp points is realized, intelligent monitoring of various facilities and events of the urban bridge is realized, the traffic dynamic and equipment sound conditions of a monitoring area can be intuitively known and mastered through the real-time browsing, recording, intelligent behavior early warning and intelligent identification modes of high-definition images, the management level of the urban bridge is effectively improved, and the high-definition camera is used for detecting the bridge safety in all weather and providing visual auxiliary functions for maintenance management.
Through the setting of intelligent optoelectronic system, intelligent weighing subsystem, intelligent bridge monitoring subsystem and intelligent monitoring subsystem, intelligent optoelectronic system can be according to the aspect of external environment control light and view coordination, intelligent weighing subsystem, intelligent bridge monitoring subsystem can detect the security and the reliability of bridge, intelligent monitoring subsystem then through the real-time browsing to the high definition image, the record, intelligent action early warning and intelligent identification mode, can know directly perceivedly and master the traffic dynamic of control area, the equipment condition of intact, so mutually support, can take into account in bridge operation and the aspect of view coordination.
Embodiment two provides an intelligent photovoltaic lighting control system for city wisdom bridge, includes intelligent optoelectronic system: control bridge light and energy-conservation, intelligent weighing subsystem: and (3) implementing warning interception on the overloaded vehicle according to the bridge carrying capacity, and an intelligent bridge monitoring subsystem: realize bridge operation and safety inspection, intelligent monitoring subsystem: is responsible for operation detection and safety monitoring.
When the intelligent bridge monitoring subsystem monitors that the structure of the bridge is unstable, an alarm is sent out through the alarm module, the intelligent gate blocking and stopping module is controlled to be started through the central processing module, the vehicle is stopped to get on the bridge, the vehicles guided on the bridge are slowly evacuated in order through broadcasting, road vehicles and pedestrians beside the bridge are evacuated after all evacuation is completed, and then the inspection is carried out.
After the condition that individual equipment on the bridge breaks down, the alarm module that sets up in the intelligent monitoring subsystem is used for prompting the fault condition and is reported to the police through control center, mobile terminal and mail notice three kinds of modes, and when the traffic accident or unexpected condition appears on the bridge, the upper portion high definition digtal camera of bridge detects the abnormal condition and starts alarm module through intelligent recognition mode and carries out the suggestion, conveniently takes measures to solve the problem, effectively improves city bridge management level to high definition digtal camera detects bridge safety in all weather, provides audio-visual auxiliary function for maintenance management.
The working principle of the invention is as follows: the intelligent optoelectronic system can control the light intensity and the color of the lighting device by utilizing a plurality of different photovoltaic power generation modules through the arrangement of the intelligent optoelectronic system, the intelligent weighing subsystem, the intelligent bridge monitoring subsystem and the intelligent monitoring subsystem, so that the purpose of one bridge and one scene is realized, and the light and the landscape coordination aspect can be controlled according to the external environment; the intelligent weighing subsystem and the intelligent bridge monitoring subsystem can detect the safety and reliability of the bridge, the weighing module can accurately obtain the weight of each vehicle and the total weight on the bridge, the vehicle license plate recognition module can recognize the vehicle to obtain vehicle information and record the vehicle information, the vehicle information can be compared with the bearing capacity of the vehicle information to judge whether the vehicle is overloaded, when the total weight on the bridge exceeds the preset total weight area, the alarm module gives an alarm, then the central processing module controls the gate intelligent stopping module to open, the vehicle is stopped to get on the bridge until the total weight of the vehicle on the bridge is in the safety value area, the alarm module stops giving the alarm, the central processing module controls the gate intelligent stopping module to close, the vehicle is on the bridge, and the intelligent monitoring subsystem can intuitively know and master the traffic dynamic and equipment perfect condition of the monitoring area by browsing and recording high-definition images in real time, intelligent behavior early warning and intelligent recognition modes, thus the aspects of bridge operation and landscape coordination can be considered.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A intelligent photovoltaic lighting control system for city wisdom bridge, its characterized in that: comprising an intelligent optoelectronic system: control bridge light and energy-conservation, intelligent weighing subsystem: and (3) implementing warning interception on the overloaded vehicle according to the bridge carrying capacity, and an intelligent bridge monitoring subsystem: realize bridge operation and safety inspection, intelligent monitoring subsystem: is responsible for running detection and safety monitoring;
the intelligent optoelectronic system controls bridge light and saves energy and comprises a plurality of photovoltaic power generation modules, the photovoltaic power generation modules are arranged at the top end and the side face of the bridge independently, the photovoltaic power generation modules are not interfered with each other, a lighting device, a light color changing device, a timing device and a light intensity detection device are arranged in the photovoltaic power generation modules, the lighting device in the photovoltaic power generation modules controls the light intensity of the photovoltaic power generation modules, the light color changing device in the photovoltaic power generation modules controls the light color of the photovoltaic power generation modules, the distribution of the photovoltaic power generation modules is controlled according to the size of a bridge lighting area, the timing device in the photovoltaic power generation modules controls the switch of the lighting device, the lighting device is turned on in a preset time zone, the lighting device is turned off in other time zones, the timing device in each photovoltaic power generation module is interfered with the use of the corresponding photovoltaic power generation module respectively, the lighting intensity and the lighting time of different areas of the bridge are different, the lighting device in the plurality of timing devices respectively adjusts the light intensity of the corresponding photovoltaic power generation modules according to the lighting intensity and the lighting time of different areas of the bridge, the lighting device in the preset time zone is started up through the timing device, the light intensity of the lighting device in the photovoltaic power generation modules is controlled by the timing device when the light intensity of the photovoltaic power generation modules is controlled by the vehicle light of the vehicle light intensity in the different light intensity of the vehicle light intensity of the photovoltaic power generation module, the light intensity is reduced, and the light intensity of the outside is reflected light of the photovoltaic power generation module in the outside light is greatly changed in the outside when the light outside light device is detected on the outside light device;
the intelligent weighing subsystem is used for dynamically weighing the bridge and comprises a plurality of groups of weighing modules, an acquisition module, a bridge monitoring module, a vehicle information management module, a vehicle license plate identification module, a central processing module, an alarm module and a gate intelligent blocking and stopping module, and the bridge is intelligently controlled and protected in real time through the bridge monitoring module; the weight of each vehicle and the total weight on the bridge are accurately obtained through the weighing module, the vehicle license plate is identified through the vehicle license plate identification module and then sent to the vehicle information management module for recording, whether the vehicle is overloaded or not is judged through comparison of the carrying capacity of the vehicle information, the total weight of the vehicle on the bridge is ensured to be in a reasonable range, the safety of the bridge is ensured, when the total weight of the vehicle on the bridge is out of a preset total weight area, the weighing module transmits overweight information to the acquisition module and then to the central processing module, the central processing module transmits a command to the alarm module to give an alarm, the central processing module controls the gate intelligent stopping module to be started, the vehicle is stopped to be on the bridge, the weighing module transmits information to the acquisition module after the total weight of the vehicle on the bridge is in a safety value area, the acquisition module transmits the alarm module to control the alarm module to stop giving an alarm, and the central processing module controls the gate intelligent stopping module to be closed, so that the vehicle is on the bridge;
the intelligent bridge monitoring subsystem mainly monitors safety performance of a bridge and comprises a plurality of groups of deflection meters, inclination monitoring instruments, stress monitoring instruments, cable force monitoring instruments, vibration measuring instruments, crack detecting instruments, temperature and humidity sensors and wind speed and wind direction sensors, wherein the stress monitoring instruments detect dynamic curve values of internal and external stress of the bridge under the action of the inclination monitoring instruments, the cable force monitoring instruments and the vibration measuring instruments, processing software is applied to obtain impact coefficients of loads and internal structural force distribution states of the bridge from dynamic curve value analysis, and weak parts and structural integrity of the bridge are judged by the impact coefficients of the loads and the internal structural force distribution states of the bridge;
the intelligent monitoring subsystem is mainly used for running detection and safety monitoring and comprises an alarm module and a high-definition camera, after the situation that individual equipment fails, the alarm module is arranged to prompt the failure situation and three modes of alarm are notified through a control center, a mobile terminal and mail, other good lighting facilities are not affected to be started and closed on time, and the high-definition camera is arranged on the upper portion and the lower portion of the bridge to detect the running situation of the bridge in real time.
2. An intelligent photovoltaic lighting control system for an urban intelligent bridge according to claim 1, characterized in that: the intelligent optoelectronic system further comprises a double-glass solar panel, lithium batteries, a controller and an anti-theft box, wherein a plurality of double-glass solar panels are respectively and electrically connected with the corresponding lithium batteries, the tops of the double-glass solar panels are respectively connected with the corresponding photovoltaic power generation modules, and the controller and the lithium batteries are all arranged in the anti-theft box.
3. An intelligent photovoltaic lighting control system for an urban intelligent bridge according to claim 2, characterized in that: the intelligent vehicle monitoring system comprises a weighing module, a bridge monitoring module, a vehicle license plate recognition module, a collecting module, a central processing module, a vehicle information management module, a bridge monitoring module and a gate intelligent blocking and stopping module, wherein the output ends of the weighing module, the bridge monitoring module and the vehicle license plate recognition module are connected to the input end of the collecting module, the collecting module is connected to the central processing module and the vehicle information management module in a bidirectional mode, the central processing module is connected with the bridge monitoring module in a bidirectional mode, and the output end of the central processing module is connected to the input ends of the vehicle license plate recognition module, the alarm module and the gate intelligent blocking and stopping module respectively.
4. An intelligent photovoltaic lighting control system for an urban intelligent bridge according to claim 3, characterized in that: the vehicle information management module is used for storing vehicle information, the vehicle information is information of vehicle color, model, load, dead weight, height, width and driver, the vehicle license plate identification module is used for identifying a vehicle license plate and confirming that the vehicle information is consistent with the license plate, the bridge monitoring module comprises an infrared sensor, a positioning module and a camera module, and the infrared sensor is used for sensing the vehicle; the positioning module is used for determining the position information of the vehicle after the infrared sensor senses the vehicle, shooting the picture of the vehicle through the camera module, then sending the picture of the vehicle to the vehicle license plate recognition module through the central processing module to recognize the license plate of the vehicle, sending the license plate information of the vehicle to the acquisition module, and sending the license plate information of the vehicle to the vehicle information management module to be compared with the detailed information in the vehicle license plate by the acquisition module.
5. An intelligent photovoltaic lighting control system for an urban intelligent bridge according to claim 4, characterized in that: the tilt monitoring instrument comprises a mounting box, a foot screw, a connecting support, a protection cylinder, a communicating pipe, a suspension sensor, horizontal bubbles, an electronic sensor, a data transmission device, a mobile power supply and a bubble fixing device, wherein the mounting box is used for mounting and fixing the instrument on a monitored object to monitor the change of the object, the electronic sensor above the mounting box transmits measured parameters to the data transmission device in the mounting box and then transmits the measured parameters to a computer through wireless transmission, and the suspension sensor, the electronic sensor and the data transmission device are electrically connected with the mobile power supply.
6. An intelligent photovoltaic lighting control system for an urban intelligent bridge according to claim 5, characterized in that: the stress monitoring instrument comprises a data collector, a surface strain gauge and a wireless transceiver module, wherein a multichannel data collector is arranged in each bridge area, the data collector is connected with the surface strain gauge through an electric wire, meanwhile, the data collector is connected with the wireless transceiver module, all-weather automatic frequency value and resistance value are collected by the data collector, the collected data are transmitted in a wireless mode through the installed wireless transceiver module, the collected data are received and transmitted to a computer in a room through a network, and the data received by the computer are processed in real time through special software to generate a report and a stress change graph.
7. An intelligent photovoltaic lighting control system for an urban intelligent bridge according to claim 6, characterized in that: the control circuit of the vibration measuring instrument comprises a magnetoelectric sensor signal input end, a signal amplifying circuit, a band-pass filter circuit and a detection display circuit which are sequentially connected, and an automatic detection circuit is connected between the magnetoelectric sensor signal input end and the signal amplifying circuit and is used for automatically and immediately detecting line faults and measuring sensor signals.
8. An intelligent photovoltaic lighting control system for an urban intelligent bridge according to claim 7, characterized in that: the temperature and humidity sensors are respectively arranged at the bridge deck, the bridge bottom and the beam body, one side of each temperature and humidity sensor is provided with an Ethernet type temperature and humidity transmitter, and the temperature and humidity data are collected through the Ethernet type temperature and humidity transmitter and uploaded to the server through an Ethernet mode.
9. An intelligent photovoltaic lighting control system for an urban intelligent bridge according to claim 8, characterized in that: the wind speed and wind direction sensor is characterized in that one side of the wind speed and wind direction sensor is also provided with a flow sensor, an A/D conversion chip, an operational amplifier, a transmitter, a receiver and a wireless module, the flow sensor converts the wind speed into a voltage signal, the A/D conversion chip and the operational amplifier convert the two analog signals into digital signals, the single chip microcomputer reads and processes the digital signals for the transmitter of the main control unit, then the single chip microcomputer sends the processed data packet to the receiver through the wireless module, and the receiver receives the data packet through the wireless module and then analyzes the data packet and stores the data packet.
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201611307U (en) * | 2009-11-18 | 2010-10-20 | 中国航空工业集团公司第五七一一厂 | Vibration measuring instrument |
| CN102281662A (en) * | 2010-06-09 | 2011-12-14 | 佛山市高明波比照明实业有限公司 | Street lamp energy saving management method and system thereof |
| CN104202881A (en) * | 2014-09-10 | 2014-12-10 | 广州广日电气设备有限公司 | Street lamp control system |
| CN204064232U (en) * | 2014-07-28 | 2014-12-31 | 江西省交通科学研究院 | A kind of deflection of bridge span network monitoring system |
| CN105696651A (en) * | 2016-04-08 | 2016-06-22 | 厦门矽创微电子科技有限公司 | Intelligent water supplying pipeline with automatic water supplying safety monitoring capacity |
| CN107687924A (en) * | 2017-08-28 | 2018-02-13 | 广州大学 | The safe early warning method and system of a kind of bridge |
| CN109068462A (en) * | 2018-08-23 | 2018-12-21 | 广州珠江黄埔大桥建设有限公司 | A kind of intelligent street lamp control system based on Internet of Things |
| CN110793503A (en) * | 2019-11-19 | 2020-02-14 | 武汉华中科大土木工程检测中心 | Inclination monitoring instrument |
| CN111836421A (en) * | 2020-07-23 | 2020-10-27 | 安徽安发特交通工程集团有限公司 | Solar street lamp system and method for automatically adjusting color temperature thereof |
| CN111968380A (en) * | 2020-08-20 | 2020-11-20 | 南京润晨信息工程有限公司 | Dynamic weighing system for bridge |
| CN113984110A (en) * | 2021-09-29 | 2022-01-28 | 合肥市正茂科技有限公司 | Bridge safety and health monitoring system and method |
| CN114509224A (en) * | 2021-12-29 | 2022-05-17 | 江西飞尚科技有限公司 | Bridge deflection testing method and system, readable storage medium and device |
| CN115388368A (en) * | 2022-08-15 | 2022-11-25 | 江西瑞宇新能源科技有限公司 | Intelligent illumination remote online monitoring and control method for solar street lamp |
| CN116456554A (en) * | 2023-04-25 | 2023-07-18 | 杭州中昱建设有限公司 | Solar street lamp and control system thereof |
-
2023
- 2023-09-11 CN CN202311160945.5A patent/CN117222075A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201611307U (en) * | 2009-11-18 | 2010-10-20 | 中国航空工业集团公司第五七一一厂 | Vibration measuring instrument |
| CN102281662A (en) * | 2010-06-09 | 2011-12-14 | 佛山市高明波比照明实业有限公司 | Street lamp energy saving management method and system thereof |
| CN204064232U (en) * | 2014-07-28 | 2014-12-31 | 江西省交通科学研究院 | A kind of deflection of bridge span network monitoring system |
| CN104202881A (en) * | 2014-09-10 | 2014-12-10 | 广州广日电气设备有限公司 | Street lamp control system |
| CN105696651A (en) * | 2016-04-08 | 2016-06-22 | 厦门矽创微电子科技有限公司 | Intelligent water supplying pipeline with automatic water supplying safety monitoring capacity |
| CN107687924A (en) * | 2017-08-28 | 2018-02-13 | 广州大学 | The safe early warning method and system of a kind of bridge |
| CN109068462A (en) * | 2018-08-23 | 2018-12-21 | 广州珠江黄埔大桥建设有限公司 | A kind of intelligent street lamp control system based on Internet of Things |
| CN110793503A (en) * | 2019-11-19 | 2020-02-14 | 武汉华中科大土木工程检测中心 | Inclination monitoring instrument |
| CN111836421A (en) * | 2020-07-23 | 2020-10-27 | 安徽安发特交通工程集团有限公司 | Solar street lamp system and method for automatically adjusting color temperature thereof |
| CN111968380A (en) * | 2020-08-20 | 2020-11-20 | 南京润晨信息工程有限公司 | Dynamic weighing system for bridge |
| CN113984110A (en) * | 2021-09-29 | 2022-01-28 | 合肥市正茂科技有限公司 | Bridge safety and health monitoring system and method |
| CN114509224A (en) * | 2021-12-29 | 2022-05-17 | 江西飞尚科技有限公司 | Bridge deflection testing method and system, readable storage medium and device |
| CN115388368A (en) * | 2022-08-15 | 2022-11-25 | 江西瑞宇新能源科技有限公司 | Intelligent illumination remote online monitoring and control method for solar street lamp |
| CN116456554A (en) * | 2023-04-25 | 2023-07-18 | 杭州中昱建设有限公司 | Solar street lamp and control system thereof |
Non-Patent Citations (1)
| Title |
|---|
| 唐勇;: "中压开关柜温湿度在线监测系统设计", 新型工业化, no. 02, 20 February 2019 (2019-02-20) * |
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