CN114622954B - Illumination and monitoring integrated tunnel safety monitoring system and method - Google Patents
Illumination and monitoring integrated tunnel safety monitoring system and method Download PDFInfo
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- CN114622954B CN114622954B CN202210527319.4A CN202210527319A CN114622954B CN 114622954 B CN114622954 B CN 114622954B CN 202210527319 A CN202210527319 A CN 202210527319A CN 114622954 B CN114622954 B CN 114622954B
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- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
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- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
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Abstract
The invention discloses a tunnel safety monitoring system and a tunnel safety monitoring method integrating illumination and monitoring, wherein the tunnel safety monitoring system comprises an illuminating body and a monitoring inductor which are arranged on the inner wall of a railway tunnel, the monitoring inductor comprises a camera, a vibration induction unit, a temperature and humidity induction unit and a current and voltage monitoring unit, the camera shoots an illuminated area of the illuminating body and analyzes images, and each induction unit senses and monitors a disease state, train operation safety and equipment safety in the tunnel in real time, so that the comprehensive safety monitoring of the interior of the railway tunnel is realized.
Description
Technical Field
The invention relates to the technical field of railway tunnel monitoring, in particular to a tunnel safety monitoring system and method integrating illumination and monitoring.
Background
In the prior art, relevant regulations require that the tunnel length of passenger-cargo collinear railways and special-line railway for freight is 3000 m or more at the speed of 160 km/h and below, the tunnel length of high-speed railways, intercity railways and passenger-cargo collinear railways at the speed of 200 km/h is 500 m or more, and the tunnel length is 5 km or more or provided with an emergency rescue station, an emergency exit and a refuge place is provided with an emergency lighting system.
Most of railway tunnels cross the mountain land, the tunnels are positioned in a water-rich karst geological area, the natural water quality is alkalescent, and the environmental conditions are extremely severe. Because of the moist air in the tunnel, the dust is heavy and have corrosivity, and the illumination lamps and lanterns are wet the damage easily, and the short circuit phenomenon easily exists in the illumination power supply circuit, and original lighting system awaits urgent need to be updated.
Meanwhile, disasters such as blocks falling, water seepage, cracks, box door states, water levels, tunnel structure deformation, foreign matter invasion, tunnel abnormal vibration and the like in the tunnel threaten the railway operation safety.
In the improvement of the lighting system, the functions of monitoring tunnel diseases and monitoring lighting faults are added by utilizing the existing installation, power supply and network conditions, which is a matter of twice with half the effort. Meanwhile, with the construction development of carbon neutralization and carbon peak reaching in China, higher requirements are put forward on energy-saving illumination, green and environment-friendly illumination, intelligent illumination and the like.
Disclosure of Invention
The invention mainly solves the technical problem of providing a tunnel safety monitoring system and a tunnel safety monitoring method integrating illumination and monitoring, and solves the problems that a railway tunnel illumination system in the prior art is single in function and cannot realize the integration of illumination and tunnel defect monitoring, train operation safety monitoring, energy-saving control and illumination fault perception diagnosis functions.
In order to solve the technical problems, one technical scheme adopted by the invention is to provide a tunnel safety monitoring system integrating illumination and monitoring, which comprises an illuminating body arranged on the inner wall of a railway tunnel, wherein a monitoring inductor is also arranged on the illuminating body, the monitoring inductor comprises a camera, and the camera shoots an illumination area of the illuminating body and analyzes images to realize safety monitoring of the interior of the railway tunnel; the monitoring inductor comprises a vibration induction unit, the vibration induction unit monitors the running vibration of a train in a railway tunnel and the vibration of the monitoring inductor, the illumination of the illuminator is correspondingly turned on or off through the analysis of the vibration, and the installation stability of the monitoring inductor is judged; the vibration sensing unit senses vibration to obtain waveform data and spectrum data of a vibration sensing signal, and further performs characteristic extraction on the waveform data and the spectrum data to respectively obtain a vibration waveform energy index, a vibration waveform form index, an intrinsic mode component index after EMD decomposition and a vibration spectrum section energy index; after the index normalization processing after the feature extraction is further carried out, index parameters of multiple dimensions are selected to represent different types of vibration events, and the different types of vibration events are presented and distinguished through a feature radar map.
Preferably, the monitoring inductor comprises a communication unit, and the images shot by the camera are transmitted to a remote central control system through the communication unit.
Preferably, the monitoring sensor itself also includes a separate fill-in light.
Preferably, the monitoring inductor comprises a temperature and humidity sensing unit, and temperature and humidity data collected by the temperature and humidity sensing unit is transmitted to a remote central control system through the communication unit to be recorded and displayed.
Preferably, the image analysis comprises the analysis of surface defects of a tunnel structure inside a railway tunnel, the analysis of abnormal states of equipment and facilities inside the tunnel, the analysis of foreign matters inside the tunnel, the analysis of train operation and the analysis of external intrusion.
Preferably, the monitoring inductor comprises a current and voltage monitoring unit for monitoring and judging whether the illuminating body works normally.
Preferably, the illuminating body and the monitoring inductor are arranged in the illuminating device, the illuminating device comprises a shell, an illuminating lamp, an adjusting plate and a circuit board, the illuminating lamp and the adjusting plate are arranged on the shell, the circuit board is arranged in the shell, the circuit board is electrically connected with the illuminating lamp, the illuminating body, the monitoring inductor and the communication unit are electrically connected with the circuit board, two ends of the adjusting plate are respectively rotated and connected with two sides of the shell, and the illuminating body, the monitoring inductor and the shell are movably and detachably connected.
The invention also provides a tunnel safety monitoring method integrating illumination and monitoring, which comprises the following steps: the method comprises the following steps of illumination control, wherein an illuminator is arranged in a railway tunnel, and the state and the brightness of an illumination switch of the illuminator are self-adaptively and dynamically changed according to the position of the illuminator, the train running position, the position of a maintenance worker and/or the external illumination change; the monitoring inductor shoots and senses images in the railway tunnel and analyzes the images, so that the safety monitoring of the interior of the railway tunnel is realized; the monitoring inductor comprises a vibration induction unit, the vibration induction unit monitors the running vibration of a train in a railway tunnel and the vibration of the monitoring inductor, the illumination of the illuminator is correspondingly turned on or off through the analysis of the vibration, and the installation stability of the monitoring inductor is judged;
the vibration sensing unit senses vibration to obtain waveform data and spectrum data of a vibration sensing signal, and further performs characteristic extraction on the waveform data and the spectrum data to respectively obtain a vibration waveform energy index, a vibration waveform form index, an intrinsic mode component index after EMD decomposition and a vibration spectrum section energy index; after the index normalization processing after the feature extraction is further carried out, index parameters of multiple dimensions are selected to represent different types of vibration events, and the different types of vibration events are presented and distinguished through a feature radar map.
Preferably, in the lighting control step, an intelligent analysis technology is used for analyzing whether a train and a person exist in the tunnel; if a train exists, an instruction is sent to automatically turn off/on the illuminating body, and if a person exists, an instruction is sent to turn on/off the illuminating body.
Preferably, in the sensing and monitoring step, a first vibration reference signal when no train passes through the tunnel interior is acquired, and a vibration index parameter is correspondingly analyzed and recorded to serve as a first vibration model corresponding to the tunnel interior when no train passes through the tunnel interior; the method also comprises the steps of collecting a second vibration reference signal when the train passes through the tunnel, correspondingly analyzing and recording the vibration index parameter, and using the vibration index parameter as a corresponding second vibration model when the train passes through the tunnel; further acquiring vibration signals in real time on the basis of the first vibration model or/and the second vibration model, and analyzing the frequency range and amplitude-frequency characteristic parameters of the vibration signals; and then, comparing and analyzing the vibration signals acquired in real time with the vibration model to judge a plurality of different types of vibration events.
The beneficial effects of the invention are: the invention discloses a tunnel safety monitoring system and method integrating illumination and monitoring, wherein the tunnel safety monitoring system comprises an illumination body and a monitoring inductor, the illumination body and the monitoring inductor are arranged on the inner wall of a railway tunnel, the monitoring inductor comprises a camera, a vibration induction unit, a temperature and humidity induction unit and a current and voltage monitoring unit, the camera shoots an illumination area of the illumination body and carries out image analysis, and each induction unit senses and monitors a tunnel defect state, train operation safety and equipment safety state in real time, so that the safety monitoring of the interior of the railway tunnel is realized.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a lighting and monitoring integrated tunnel safety monitoring system according to the present invention;
FIG. 2 is a schematic diagram of the composition of an illuminator and a monitoring inductor of an embodiment of the integrated tunnel safety monitoring system according to the invention;
FIG. 3 is a pictorial view of an illumination apparatus according to an embodiment of the integrated illumination and monitoring tunnel security monitoring system of the present invention;
FIG. 4 is an exploded view of the embodiment of FIG. 3;
FIG. 5 is another exploded view of the embodiment of FIG. 3;
FIG. 6 is a pictorial view of an illumination device according to another embodiment of the integrated illumination and monitoring tunnel security monitoring system of the present invention;
FIG. 7 is a flow chart of one embodiment of a lighting and monitoring integrated tunnel security monitoring method according to the present invention;
fig. 8-11 are radar schematic views of vibration data identification of vibration events according to embodiments of the illumination and monitoring integrated tunnel security monitoring system of the present invention.
Detailed Description
In order to facilitate an understanding of the invention, reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It is to be noted that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 and 2, an embodiment of a tunnel safety monitoring system integrating illumination and monitoring includes an illuminator 111 disposed on an inner wall of a railway tunnel 101, the illuminator is further provided with a monitoring inductor 112, the monitoring inductor 112 includes a camera, and the camera shoots an illumination area of the illuminator and performs image analysis, thereby realizing safety monitoring of the interior of the railway tunnel.
Preferably, the monitoring sensor 112 includes a communication unit, and the image captured by the camera is transmitted to the remote central control system 201 through the communication unit. The communication unit can be in communication interconnection with a remote central control system 2 by using a wired, wireless or power carrier communication mode, so that one central control system can perform centralized monitoring on a plurality of illuminants and a plurality of tunnels.
Preferably, for the illuminating body 111 and the monitoring sensing body 112 in fig. 2, both may be the same module integrated into a whole, or may be two independent modules that can be used separately and spliced, so that the two modules can be flexibly combined as required. Therefore, it is preferable that the monitoring sensor itself includes a fill-in lamp independent of the illuminating body. Therefore, the function of illumination can be realized by the monitoring inductor when the monitoring inductor is used alone.
Preferably, the illuminating body comprises a plurality of LED light sources, and the number of the LED light sources and the brightness of each LED light source are adaptively controlled according to the brightness in the tunnel, so as to control and generate different illumination intensities, for example, the illumination intensity of the illuminating body near the entrance of the tunnel can be small and mainly entered by outside light, while the illuminating body in the tunnel can be all the LED lights turned on, and the brightness can be controlled to be maximum. Therefore, the illumination body can intelligently and automatically adjust the brightness according to the position, the time of day, the weather change and other conditions of the illumination body, and can also specifically regulate and control the brightness to be increased when the train passes through the tunnel during running according to the time stage of the train entering and exiting the tunnel, and reduce the brightness when the train does not pass through the tunnel.
Therefore, it is preferable that, when the illuminating body is installed, the positional attribute information of the illuminating body in the tunnel may be set, which may be precise positional information such as a railway mileage K mark, and approximate positional information such as information pertaining to the inside of the tunnel, a turn in the inside of the tunnel, a tunnel entrance/exit, and an entrance/exit of an adjacent tunnel. Because in different positions, still can receive the influence of tunnel outside light to outside light still is relevant with time and weather condition, still can regulate and control illumination according to time information, weather information correspondingly.
Preferably, the monitoring inductor comprises a vibration induction unit, the vibration induction unit monitors the running vibration of the train in the railway tunnel and the vibration of the monitoring inductor, the illumination of the illuminator is correspondingly turned on or off through the analysis of the vibration, and the installation stability of the monitoring inductor is judged. Through carrying out the induction monitoring to the vibration, be used for the control to the train operation on the one hand, on the other hand is to the geological change that probably appears in the tunnel, the obvious vibration that appears such as fracture, falling rocks carries out the induction monitoring, is favorable to early warning in advance.
Preferably, the vibration sensing unit senses vibration to obtain waveform data and spectrum data of the vibration sensing signal, and further performs feature extraction on the waveform data and the spectrum data to obtain a vibration waveform energy index, a vibration waveform morphology index, an intrinsic Mode component index after EMD (Empirical Mode Decomposition) Decomposition, and a vibration spectrum band energy index.
Specifically, the vibration waveform energy index includes index parameters such as root mean square, peak-to-peak value, envelope mean value and the like of the waveform data; the vibration waveform form indexes comprise shock ratio, shock number, shock duration, kurtosis, wave breaking characteristics and the like in the waveform data; the vibration spectrum segment energy index comprises specified frequency band energy, filtered frequency band energy, unimodal characteristic frequency band energy, frequency band energy ratio, clear spectral line number and the like in the spectrum data; the eigenmode component indexes after EMD decomposition include the energy ratio and the spectrum energy ratio of each eigenmode.
Preferably, after the index normalization processing after feature extraction is further performed, multiple-dimensional index parameters are selected from the index normalization processing to characterize different types of vibration events, and the different types of vibration events are presented through a feature radar map, preferably, as schematically shown in fig. 8 to 11, the different types of vibration events are schematically represented by 7-dimensional index parameters, and the 7-dimensional index is represented by F1 to F7: respectively including root mean square, peak-to-peak value in the vibration waveform energy index, impact ratio, impact number, impact duration in the waveform form index, unimodal characteristic frequency band energy in the frequency spectrum section energy index, and energy ratio of each eigenmode in the eigenmode component index after EMD decomposition.
Preferably, the 7 indexes have similarity and stability when representing the same vibration event type, and have obvious difference and easy identification when representing different vibration event types, so that different types of vibration events can be distinguished very intuitively through a characteristic radar chart, and fig. 8 schematically shows that no obvious vibration event, namely a background signal event, exists; FIG. 9 schematically illustrates a train passing vibration event; FIG. 10 schematically illustrates an external machine excavation vibration event; figure 11 schematically shows a rockfall vibration event.
Preferably, a first vibration reference signal when no train passes through the tunnel interior is acquired, and the vibration index parameter is analyzed and recorded to be used as a corresponding first vibration model when no train passes through the tunnel interior. The model is used as a basic vibration model under the static condition, and can be used for identifying and analyzing the vibration caused by disasters such as rockfall, water permeation, fire and the like under the static condition on the basis.
Preferably, a second vibration reference signal when the train passes through the tunnel is acquired, and the vibration index parameter is analyzed and recorded to be used as a corresponding second vibration model when the train passes through the tunnel. The model can be further refined, and a corresponding train operation vibration model can be determined according to the train type, the load capacity, the speed, the number of train sections or the length of a train body and the like. The second vibration model is used as a basic vibration model under the dynamic condition, and on the basis of the basic vibration model, the second vibration model can also be used for identifying and analyzing the vibration caused by disasters such as rockfall, water permeation, fire and the like under the dynamic condition.
Preferably, on the basis of the existing first vibration model or/and the second vibration model, the vibration signals are collected in real time, and parameters such as the frequency range, amplitude-frequency characteristics and the like of the vibration signals are analyzed; then, the vibration signal collected in real time is further compared and analyzed with the vibration model, and the following events are judged: train passing, sensor installation looseness, artificial touch of the sensor, and sensor vibration caused by other abnormal conditions;
preferably, after the event result is obtained, the operations of taking a picture in real time, selecting a lamp at a different position for switching, switching the on/off state of the illuminator, remotely transmitting abnormal state data to a central control system and the like are performed.
Preferably, the vibration monitoring can be combined with the shooting of the camera for use, after the vibration is monitored obviously, the camera can be automatically started for shooting, then vibration sensing data, images and videos are remotely transmitted to a central control system for tunnel safety early warning and remote diagnosis and analysis, and abnormal conditions in the tunnel can be found in time.
Preferably, the monitoring inductor comprises a temperature and humidity sensing unit, and temperature and humidity data collected by the temperature and humidity sensing unit is transmitted to a remote central control system through the communication unit to be recorded and displayed. For obvious abnormal temperature and humidity data, such as sudden temperature rise or sudden humidity increase, fire or flood may occur, the camera is automatically started to shoot, then the temperature and humidity data, images and videos are remotely transmitted to the central control system to perform tunnel safety early warning and remote diagnosis and analysis, and the tunnel safety early warning and remote diagnosis and analysis are beneficial to timely finding out abnormal conditions in the tunnel.
Preferably, the images are analyzed after being acquired, the images can be analyzed inside the monitoring inductor and then transmitted to the central control system, and the image analysis is completed by the monitoring inductor in the mode, so that the analysis result can be directly transmitted to the central control system, and early warning is facilitated. The image can also be analyzed by the central control system, the monitoring inductor only finishes image acquisition and transmission and does not analyze, and the method can reduce the realization complexity of the monitoring inductor and reduce the cost.
Preferably, the image analysis includes analysis of surface defects of a tunnel structure inside the railway tunnel, analysis of abnormal states of equipment and facilities inside the tunnel, analysis of foreign matters inside the tunnel, analysis of train operation, analysis of natural disasters and/or analysis of external intrusion. The facility includes various electrical devices and various building facilities in the tunnel.
Specifically, the method comprises the steps of analyzing the surface diseases of the tunnel structure and the abnormal states of equipment facilities, including pixel-level image segmentation, image recognition and image comparison, wherein the pixel-level image segmentation adopts a deep learning-based method to position each area and part position on the tunnel surface with high precision; image recognition, namely extracting information such as the area, size and position of the defects such as cracks, falling blocks and water seepage, and establishing reference image data of the defects on the surface of the tunnel, and also extracting information of the states and positions of parts of equipment and facilities and establishing reference image data of the equipment and facilities; and comparing the images, namely acquiring the images in real time, comparing the images with the disease reference image data and the equipment facility reference image data, and judging whether the disease changes or not and whether the equipment facility is abnormal or not.
Furthermore, a time sequence prediction model is established for the states of the diseases and the parts of the facilities, and the deterioration trend of the models is analyzed. The model can be used for observing diseases and facility parts for a long time and analyzing the change trend generated along with time, so that the occurrence probability and the time limit of the diseases can be predicted more accurately, intervention treatment can be performed as soon as possible, and disasters can be reduced and avoided.
Further, to foreign matter, natural disasters, outside intrusion analysis in the tunnel, then adopt image recognition technology, include: 1) firstly, designing foreign body image characteristics by combining prior knowledge such as chromatic aberration, foreign body size, foreign body distribution and the like to carry out foreign body primary selection; 2) inputting the initial selection result into a recognition network for analysis, and outputting a first target set Obj1 with significant features; 3) meanwhile, dynamic background modeling is carried out, and the current image and the background image are compared and analyzed to obtain a second target set Obj 2; 4) carrying out non-maximum suppression and weighted fusion on the first target set Obj1 and the second target set Obj2 obtained by the two methods to obtain the final information such as the position, confidence degree and size of foreign matters, personnel or natural disasters; 5) and then whether diseases exist, whether foreign matters fall or not and whether natural disasters/external personnel invasion occur or not are identified.
Preferably, for train operation analysis, the running speed, position and the like of the train are identified by combining the image and the vibration signal, and whether the train running state is normal or not is judged.
Furthermore, by combining with the previous operation plan, the disease conditions before and after the operation are judged by adopting an image analysis technology, and the operation evaluation is carried out.
Preferably, the distribution of the illuminating body and the monitoring sensing body on the inner wall of the tunnel comprises the arc-shaped arrangement along the cross section of the tunnel, namely the arrangement on the top, the upper part, the two sides and the like, and the axis arrangement along the extending direction of the tunnel, wherein the arrangement intervals mainly meet the requirement of realizing no dead angle coverage on the inner wall of the tunnel and the inside of the tunnel and realizing full coverage of internal monitoring.
Preferably, the monitoring inductor comprises a current and voltage monitoring unit and judges whether the illuminating body works normally. Therefore, the monitoring inductor and the illuminator can be monitored by themselves, and whether the monitoring inductor and the illuminator work normally or not can be judged at any time, so that the maintenance and the replacement can be carried out in time.
And further, when the current of the illuminating body is not in the normal working range, the illumination brightness is further analyzed by combining the illumination meter, whether the operation of the illuminating body is abnormal or not is judged, and the indicating lamp displays the abnormal state.
Preferably, with reference to fig. 3, 4 and 5, an embodiment of the lighting device is provided, where the lighting device includes a housing 1, a lighting lamp 2, an adjusting plate 3 and a circuit board 4, the lighting lamp 2 and the adjusting plate 3 are disposed on the housing 1, the circuit board 4 is disposed inside the housing 1, the circuit board 4 is electrically connected to the lighting lamp 2, a lighting module (corresponding to the aforementioned lighting body) and a communication module are disposed inside the housing 1, the lighting module and the communication module are electrically connected to the circuit board 4, two ends of the adjusting plate 3 are respectively rotatably connected to two sides of the housing 1, a pitching rotation of the housing 1 relative to the adjusting plate 3 is achieved through the adjusting plate 3, an irradiation range of the lighting lamp 2 is expanded, and lighting efficiency is improved.
Preferably, still be provided with a plurality of cameras 5, LED lamp pearl and control interface 6 on the casing 1, a plurality of cameras 5, LED lamp pearl and the 6 electricity of control interface connect lighting module, conveniently carry out the monitoring of making a video recording in real time to the tunnel to provide necessary illumination, the LED lamp pearl of different colours represents different monitoring states.
Preferably, camera 5 crisscross setting up is provided with mount pad 7 in casing 1 on the top of casing 1 and setting up the front side at casing 1 forward, specifically, and camera 5 sets up on mount pad 7, has a plurality of installation inclined planes that are undulate from top to bottom in proper order on mount pad 7, and camera 5 sets up on the installation inclined plane.
Preferably, a light supplement lamp 71 is further arranged on the mounting base 7 for supplementing light, so that the image pickup quality is improved.
Preferably, transparent covers 9 are further disposed on the cameras 5 and the light supplement lamps 71 to protect the cameras 5 and the light supplement lamps 71.
Preferably, there are four cameras 5 and two light supplement lamps 71, two cameras 5 are disposed at two ends of the mounting base 7, two light supplement lamps 71 are disposed between the two cameras 5, and the remaining two cameras 5 are disposed at the front side of the housing 1; the included angle of the central axes of the two cameras 5 arranged on the mounting seat 7 is 40 degrees, and the two cameras 5 face the outer side of the mounting seat 7. The included angle of the central axes of the two light supplement lamps 71 is 40 degrees, and the two light supplement lamps 71 face the inner side of the mounting base 7.
Preferably, the edge of the transparent cover 9 is provided with a sealing gasket 13, which has waterproof and airtight functions.
Preferably, regulating plate 3 sets up in the rear side of casing 1, and regulating plate 3 is the U template, and regulating plate 3 sets up to the U template and conveniently grips equipment and dismantlement with the hand on the one hand, and on the other hand also avoids casing 1 to touch regulating plate 3 when carrying out the every single move rotation for regulating plate 3.
Preferably, the inside of the casing 1 is further provided with a monitoring sensing module (corresponding to the monitoring sensor), the monitoring sensing module is electrically connected to the circuit board 4, and the monitoring sensing module automatically monitors the health degree of the lighting device through intelligent sensing modules (sensors) such as vibration, illuminance, current, voltage, temperature and the like.
Preferably, the monitoring induction module is movably and detachably connected with the illumination module and the shell 1, and the monitoring induction module and the illumination module are mutually independent and can be independently detached and replaced.
Preferably, a plurality of image sensors and front end data processing units are arranged in the monitoring sensing module, and the monitoring sensing module is linked with the lighting module, so that the functions of tunnel disaster monitoring, train positioning monitoring, illumination detection, personnel monitoring and the like can be realized, and the severity grade and the situation of tunnel diseases can be analyzed. In addition, the monitoring sensing module also has the functions of monitoring abnormal vibration, automatically controlling a lighting switch, brightness and the like, and intelligent energy conservation and emission reduction are realized.
Preferably, the front side of casing 1 is opened and is equipped with the recess 11 that is used for holding light 2, has two crossing and be the inclined plane 111 of evagination in the recess 11, and light 2 sets up on two inclined planes 111, and this kind of setting is compared in setting up light 2 and has enlarged the light radiation angle on a whole plane for the illumination zone increases, has improved the lighting efficiency in the tunnel.
Preferably, recess 11 coats and is stamped lamp shade 8, and lamp shade 8 is the arc of evagination, and this kind of setting makes lamp shade 8 fine protection light 2 on the one hand, and on the other hand is corresponding with above-mentioned two inclined planes 111, enlarges the radiation angle of the illumination light of light 2, has increaseed irradiation range, improves irradiation efficiency.
Preferably, the edge of the lampshade 8 is provided with a sealing strip 10, which has a waterproof sealing function.
Preferably, the rear side of the housing 1 is provided with a rear cover 12 which can be opened, so that the replacement and maintenance of the components in the housing 1 are facilitated.
Preferably, as shown in fig. 6, in another embodiment, a transparent cover 51 is disposed on the camera 5, the camera 5 is disposed on two sides of the front end of the housing 1, and two sides of the upper end of the housing 1, and the transparent cover 51 protects the camera 5 on one hand and facilitates the clear camera capture of the camera 5 on the other hand.
Preferably, the light supplement lamps 71 are arranged at the top end of the housing 1, the number of the light supplement lamps 71 is four, the four light supplement lamps are arranged in a rectangular shape, a transparent cover 711 is arranged on the light supplement lamps 71, the transparent cover 711 is favorable for transmission of the light supplement lamps 71, and the light supplement lamps 71 are also protected on the other hand.
Preferably, a display screen 14 is arranged on the front side of the housing 1, a display screen cover 15 is arranged on the display screen 14, and the display screen 14 can conveniently display information such as equipment numbers, working states, IP contents, temperatures, illumination levels, currents and vibrations through the display screen cover 15.
Preferably, one side of the display screen 14 is provided with a light guide column 16, and the light guide column 16 is used for guiding out the light of the LED lamp beads on the PCB board inside the casing 1.
Preferably, as shown in fig. 6, the casing 1 is further provided with a plurality of cameras 5, a plurality of LED beads and a control interface 6, the plurality of cameras 5, the plurality of LED beads and the control interface 6 are electrically connected to the lighting module, so as to conveniently perform real-time camera monitoring on the tunnel and provide necessary lighting, the LED beads with different colors represent different monitoring states, wherein the control interface 6 comprises a power supply interface 61 and a network interface 62, the number of the power supply interfaces 61 is three, the number of the network interfaces 62 is two, and the control interfaces are all arranged on the lower surface of the casing 1.
Based on the same concept, the invention also provides a tunnel safety monitoring method integrating illumination and monitoring, as shown in fig. 7, comprising the following steps:
step S1: the method comprises the following steps of lighting control, wherein a lighting body is arranged in a railway tunnel, and the lighting switch state and the brightness of the lighting body are adaptively and dynamically changed according to the position of the lighting body, the train running position, the position of a maintenance worker and the external illumination change;
step S2: and the monitoring inductor shoots and perceives the images in the railway tunnel and analyzes the images, so that the safety monitoring of the interior of the railway tunnel is realized.
Preferably, the lighting control step further comprises the step of analyzing whether a train and a person exist in the tunnel by using an intelligent analysis technology; if a train exists, sending an instruction to automatically turn off/turn on the illuminating body, and if a person exists, sending an instruction to turn on/turn off the illuminating body; furthermore, the data of the illuminance sensor is acquired in real time, the power of the illuminator is adjusted until the illuminance meets the illumination requirement, and intelligent energy-saving control is realized.
Preferably, in the sensing and monitoring step, the monitoring inductor senses the running vibration of the train in the railway tunnel and detects workers in the tunnel, so that the illumination of the illuminating body is correspondingly turned on or off.
Based on the same concept, the embodiment of the tunnel safety monitoring method integrating illumination and monitoring may further include a monitoring method for other module units in the system, which is not described herein again.
The above are only embodiments of the present invention, and are not intended to limit the scope of the present invention, and the present invention may be applied to safety monitoring in various tunnels such as highway tunnel, and all equivalent structural transformations made by using the contents of the specification and the drawings of the present invention, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The tunnel safety monitoring system integrating illumination and monitoring is characterized by comprising an illuminator arranged on the inner wall of a railway tunnel, wherein a monitoring inductor is also arranged on the illuminator, the monitoring inductor comprises a camera, and the camera shoots an illumination area of the illuminator and analyzes images to realize safety monitoring inside the railway tunnel;
the monitoring inductor comprises a vibration induction unit, the vibration induction unit monitors the running vibration of a train in a railway tunnel and the vibration of the monitoring inductor, the illumination of the illuminator is correspondingly turned on or off through the analysis of the vibration, and the installation stability of the monitoring inductor is judged;
the vibration sensing unit senses vibration to obtain waveform data and spectrum data of a vibration sensing signal, and further performs characteristic extraction on the waveform data and the spectrum data to respectively obtain a vibration waveform energy index, a vibration waveform form index, an intrinsic mode component index after EMD decomposition and a vibration spectrum section energy index; after further normalization processing is carried out on the indexes after feature extraction, index parameters of multiple dimensions are selected to represent different types of vibration events, and different types of vibration events are presented and distinguished through a feature radar map;
the monitoring inductor also comprises a first vibration reference signal which is acquired when no train passes through the interior of the tunnel, and a vibration index parameter is correspondingly analyzed and recorded to be used as a first vibration model corresponding to the interior of the tunnel when no train passes through the interior of the tunnel; the method also comprises the steps of collecting a second vibration reference signal when the train passes through the tunnel, correspondingly analyzing and recording the vibration index parameter, and using the vibration index parameter as a corresponding second vibration model when the train passes through the tunnel; further acquiring vibration signals in real time on the basis of the first vibration model or/and the second vibration model, and analyzing the frequency range and amplitude-frequency characteristic parameters of the vibration signals; and then, comparing and analyzing the vibration signals acquired in real time with the vibration model to judge a plurality of different types of vibration events.
2. The illumination and monitoring integrated tunnel safety monitoring system according to claim 1, wherein: the monitoring inductor comprises a communication unit, and images shot by the camera are transmitted to a remote central control system through the communication unit.
3. The illumination and monitoring integrated tunnel safety monitoring system according to claim 1, wherein: the monitoring inductor also comprises an independent light supplement lamp.
4. The illumination and monitoring integrated tunnel safety monitoring system according to claim 2, wherein: the monitoring inductor comprises a temperature and humidity sensing unit, and temperature and humidity data collected by the temperature and humidity sensing unit are transmitted to a remote central control system through the communication unit to be recorded and displayed.
5. Illumination and monitoring integrated tunnel safety monitoring system according to claim 1 or 2, characterized in that: the image analysis comprises the analysis of surface diseases of a tunnel structure inside the railway tunnel, the analysis of abnormal states of equipment and facilities inside the tunnel, the analysis of foreign matters inside the tunnel, the analysis of train operation and/or the analysis of external invasion.
6. Illumination and monitoring integrated tunnel safety monitoring system according to claim 1 or 2, characterized in that: the monitoring inductor comprises a current and voltage monitoring unit and is used for monitoring and judging whether the working of the illuminating body is normal or not.
7. The illumination and monitoring integrated tunnel safety monitoring system according to claim 2, wherein: the utility model discloses a lighting device, including lighting body, monitoring inductor, illuminating device, circuit board, monitoring inductor, circuit board, monitoring inductor, circuit board, lighting body and monitoring inductor set up in lighting device, lighting device includes casing, light, regulating plate and circuit board, and light and regulating plate set up in the casing, and the circuit board sets up in the inside of casing, and circuit board electricity connection light, lighting body, monitoring inductor and the equal electric connection circuit board of communication unit, the both ends of regulating plate are rotated the both sides of connecting the casing respectively, lighting body, monitoring inductor and casing activity can be dismantled the connection.
8. A tunnel safety monitoring method integrating illumination and monitoring is characterized by comprising the following steps: the method comprises the following steps of illumination control, wherein an illuminator is arranged in a railway tunnel, and the state and the brightness of an illumination switch of the illuminator are self-adaptively and dynamically changed according to the position of the illuminator, the train running position, the position of a maintenance worker and/or the external illumination change; the monitoring inductor shoots and senses images in the railway tunnel and analyzes the images, so that the safety monitoring of the interior of the railway tunnel is realized; the monitoring inductor comprises a vibration induction unit, the vibration induction unit monitors the running vibration of a train in a railway tunnel and the vibration of the monitoring inductor, the illumination of the illuminator is correspondingly turned on or off through the analysis of the vibration, and the installation stability of the monitoring inductor is judged;
the vibration sensing unit senses vibration to obtain waveform data and spectrum data of a vibration sensing signal, and further performs characteristic extraction on the waveform data and the spectrum data to respectively obtain a vibration waveform energy index, a vibration waveform form index, an intrinsic mode component index after EMD decomposition and a vibration spectrum section energy index; after further normalization processing is carried out on the indexes after feature extraction, index parameters of multiple dimensions are selected to represent different types of vibration events, and different types of vibration events are presented and distinguished through a feature radar map;
in the sensing and monitoring step, acquiring a first vibration reference signal when no train passes through the interior of the tunnel, correspondingly analyzing and recording a vibration index parameter, and using the vibration index parameter as a corresponding first vibration model when no train passes through the interior of the tunnel; the method also comprises the steps of collecting a second vibration reference signal when the train passes through the tunnel, correspondingly analyzing and recording the vibration index parameter, and using the vibration index parameter as a corresponding second vibration model when the train passes through the tunnel; further acquiring a vibration signal in real time on the basis of the first vibration model or/and the second vibration model, and analyzing the frequency range and amplitude-frequency characteristic parameters of the vibration signal; and then, comparing and analyzing the vibration signals acquired in real time with the vibration model to judge a plurality of different types of vibration events.
9. The illumination and monitoring integrated tunnel safety monitoring method according to claim 8, wherein in the illumination control step, the method comprises analyzing whether a train and a person exist in the tunnel by using an intelligent analysis technology; if a train exists, an instruction is sent to automatically turn off/on the illuminating body, and if a person exists, an instruction is sent to turn on/off the illuminating body.
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