CN210836448U - Optical fiber vibration and video comprehensive analysis server - Google Patents
Optical fiber vibration and video comprehensive analysis server Download PDFInfo
- Publication number
- CN210836448U CN210836448U CN201921285957.XU CN201921285957U CN210836448U CN 210836448 U CN210836448 U CN 210836448U CN 201921285957 U CN201921285957 U CN 201921285957U CN 210836448 U CN210836448 U CN 210836448U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- defense area
- fence
- railway
- camera
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Alarm Systems (AREA)
Abstract
The utility model discloses an optical fiber vibration and video comprehensive analysis server for warning of railway perimeter, including collection system, analytical equipment and user terminal, wherein, collection system includes optical fiber mechanism and camera shooting mechanism, optical fiber mechanism sets up on the railway fence, camera shooting mechanism installs in the fence for discern the invasion target in the railway perimeter, optical fiber mechanism sets up on the railway fence, the camera is installed in the fence, is used for discerning the invasion target in the railway perimeter; the analysis device processes the information collected by the optical fiber mechanism and the camera mechanism, and utilizes the M-Z interference principle to identify fence invasion optical fiber vibration signals and determine an invaded object according to a preset face recognition neural network; and then feeding back the intrusion object determined by the analysis device to the user terminal, and monitoring and carrying out corresponding preset processing by the user terminal according to the intrusion object.
Description
Technical Field
The utility model belongs to the technical field of the invasion monitoring of railway perimeter, concretely relates to optic fibre vibration and video integrated analysis server.
Background
In recent years, the high-speed railway in China experiences a rapid development period, the traffic mileage is more than 2 thousands kilometers, and the traffic mileage accounts for more than 60% of the operating mileage of the world, and an independent industrial system with unique characteristics is introduced, absorbed and formed from technology, becomes a bright Chinese name card in the international high-tech field, and is also an important ring for strategic development and national revival of China.
The high-speed railway has the characteristics of high operation speed and high safety standard, but in spite of the current situation of high-speed railway safety guarantee in China, perimeter safety precaution mainly depends on physical isolation measures and manpower patrol, no mature technical precaution measures applied to the high-speed railway perimeter safety guarantee exist, and even personnel invasion, facility damage, ticket evasion and other events happen, so that serious potential safety hazards are brought to the high-speed railway safety operation and high-speed railway going-out strategy.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides an optical fiber vibration and video integrated analysis server for the warning of railway perimeter, including collection system, analytical equipment and user terminal, wherein, collection system includes the optic fibre mechanism that is used for the early warning of perception defence area intrusion alert and is used for the camera shooting mechanism of real-time data acquisition, optic fibre mechanism sets up on the railway fence, the camera shooting mechanism is installed in the fence, is used for discerning the invasion target in the railway perimeter; the analysis device processes the information collected by the optical fiber mechanism and the camera mechanism, and utilizes the M-Z interference principle to identify fence invasion optical fiber vibration signals and determine an invaded object according to a preset face recognition neural network; and then feeding back the intrusion object determined by the analysis device to the user terminal, and monitoring and carrying out corresponding preset processing by the user terminal according to the intrusion object.
After the technical scheme is adopted, the alarm system comprises the acquisition device, the acquisition device comprises the optical fiber mechanism and the camera shooting mechanism, the M-Z interference principle is utilized to identify fence invasion optical fiber vibration signals and determine an invaded object according to a preset face recognition neural network, the invasion target in the railway perimeter can be accurately identified, linkage patrol search can be carried out through the optical fiber mechanism and the camera shooting mechanism, intelligent patrol is realized, and once an invasion event occurs, the optical fiber mechanism immediately informs the camera shooting mechanism to track the invaded target in a defense area.
Preferably, the analysis device further comprises:
preferably, the analysis device further comprises:
the camera collects videos or pictures of the invasion target, the facial feature extraction device classifies the obtained videos or pictures and determines an invasion object according to the face recognition neural network.
Preferably, the optical fiber mechanism comprises a defense area module and a sensing optical cable connected with the defense area module, and the defense area module and the sensing optical cable are both arranged on a fence at the periphery of the defense area.
Preferably, the defense area module comprises a defense area head end module and a defense area terminal module, and the defense area head end module corresponds to the defense area terminal module in position.
Preferably, a first coupler is arranged on the defense area head end module, and a second coupler and a reflector are arranged on the defense area terminal module; after the light beam passes through the first coupler and the second coupler in sequence, the light beam returns to the first coupler through the reflecting mirror.
Preferably, the camera mechanism comprises a camera, and the camera is of a spherical structure.
Preferably, the method further comprises the following steps:
and the transmission power supply equipment, the acquisition device, the analysis device and the user terminal are all connected to the transmission power supply equipment.
Preferably, the method further comprises the following steps:
and the transmission power supply equipment is grounded through the lightning protection grounding equipment.
Preferably, the user terminal is one or more of a client computer, a display device, an audible and visual alarm, a short message gateway and a semantic shouting microphone.
Drawings
Fig. 1 is a schematic flow chart of an optical fiber vibration and video integrated analysis server according to a preferred embodiment of the present invention.
Fig. 2 is a schematic flow chart of an optical fiber vibration and video analysis server according to a preferred embodiment of the present invention.
Fig. 3 is an installation diagram of the vibrating optical fiber and the camera of the optical fiber vibration and video integrated analysis server according to the preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
The utility model discloses an optic fibre vibration and video integrated analysis server belong to the technique of railway perimeter alert, mainly to the safe demand of high-speed railway perimeter, for controlling the accident situation and all kinds of proruption hidden dangers that this region probably appears, in time anticipate, improve the effective aassessment of making the risk, the key target of taking precautions against of this scheme is regarded as in the perimeter protection. The effective management and control of the perimeter safety precaution is reasonably configured, the scientific management and intelligent analysis of the perimeter precaution are realized, and the comprehensive precaution level of the digital perimeter of the border line is improved.
Adopt the utility model provides an optic fibre vibration and video integrated analysis server can provide reliable guard against guarantee for the high-speed railway perimeter, prevents that illegal personnel from utilizing the blind area of the complicated characteristic of topography and landform to carry out illegal sneak into, adopts high coverage, prevents and prevents the invasion of target object.
Once an invading object occurs, an alarm signal can be transmitted to the user terminal at the first time, the user terminal monitors and carries out corresponding preset processing according to the invading object, wherein the preset processing comprises sending out the alarm signal and linking with equipment such as a camera, a broadcast, illumination and the like on site to monitor and process the site situation in a multi-direction manner, thereby perfecting and establishing a safety guarantee system of the perimeter of the high-speed railway.
As shown in fig. 1 to fig. 3, the utility model discloses an optical fiber vibration and video integrated analysis server for the warning of railway perimeter, including collection system, analytical equipment 20 and user terminal 30, wherein collection system is including being used for the optic fibre mechanism 12 of perception defence area intrusion alert early warning and being used for real-time data acquisition's camera mechanism 11, and optic fibre mechanism 12 sets up on the railway fence, and camera mechanism 12 is installed in the fence (as fig. 3) for discern the invasion target in the railway perimeter. In this embodiment, the analysis device is configured to process information acquired by the optical fiber mechanism 11 and the camera mechanism 12, where the optical fiber mechanism 11 identifies an optical fiber vibration signal generated by a fence intrusion target by using an M-Z interference principle, and the camera 12 determines an intrusion object from a captured picture or video according to a preset face recognition neural network; the intrusion object determined by the analysis device 20 is then fed back to the user terminal 30, and the user terminal 30 monitors the intrusion object and takes corresponding preset processing.
Specifically, the user terminal may be one or more of a client computer, a display device, an audio-visual warning, a short message gateway, or a microphone for speaking, the audio-visual warning, the display device, the audio-visual warning, the short message gateway, or the microphone for speaking is connected to the analysis device 20, and when the user terminal receives the alarm information sent by the optical fiber mechanism 12 or the camera mechanism 11, the user terminal automatically controls to switch on the audio-visual warning power supply to send an audio-visual prompt, or automatically connects the short message gateway to send a short message prompt message to a specified number.
It can be understood that when the railway fence on the periphery of the high-speed railway is in an abnormal state, the optical fiber mechanism 12 comprises a signal acquisition module, an optical cable module and a defense area division packet module which are composed of a plurality of collectors, the collectors adopt switching value single defense area acquisition equipment TCNET-CJ-1001, the defense area division packet adopts a defense area division packet with the model of TCNET-CJ-1500, and the vibration sensing optical cable is a black armored optical cable.
When the optical fiber mechanism 12 on the periphery of the high-speed railway triggers an alarm, the analysis device 20 judges a specific alarm defense area, and the video or picture is shot on the alarm defense area by combining the automatic focusing principle of the camera mechanism 12, wherein the video or picture is processed firstly according to a preset face recognition neural network, so that non-invasive phantoms (car lights, car bodies, light shadows, facilities, rain and snow, insects and grass trees) can be effectively filtered, specific targets (personnel, elephants, cars, bison and rail surface foreign matters) are captured to frame the alarm, a plurality of targets can be simultaneously framed, the size, the position and the similarity of all the targets are calculated, the probability of false alarm is effectively reduced, the working intensity of the personnel is reduced, and the working efficiency is improved.
Of course, when acquiring the information sent by the optical fiber mechanism 12, the analyzing device 20 comprehensively considers weather factors such as wind speed, rainfall, snow depth, etc., performs corresponding processing and correction on the information sent by the optical fiber mechanism 12, filters monitoring data generated by extreme weather factors, and improves the accuracy of artificial intrusion alarm.
In an optional embodiment, the analysis apparatus 20 further includes an abnormal-vibration-block obtaining mechanism, wherein the optical fiber mechanism 12 is a distributed optical fiber vibration sensing system, wherein the distributed optical fiber vibration sensing system utilizes a continuous distributed scattering effect in an optical fiber, and can perform distributed sensing and precise positioning on external disturbances along the optical fiber, and can perform continuous monitoring in all directions like a human sensing nervous system, so that irreplaceable advantages can be achieved in the aspects of sensing and detecting distance, precise positioning of events, concealment, environmental adaptability, and the like.
In this embodiment, the abnormal vibrating mass analyzing mechanism may perform feature extraction on the optical fiber vibration signal acquired by the distributed optical fiber vibration sensing system, where the feature extraction includes time domain analysis and frequency domain analysis of the optical fiber vibration signal, and the time domain analysis of the optical fiber vibration signal refers to analysis of basic parameters of the optical fiber vibration signal, such as amplitude, period, and phase, at a certain time stage. Generally, when an optical fiber vibration signal in an alarm system is not interfered, the signal is in a stable state for a long time, and after an intrusion event occurs, the amplitude of the signal jumps greatly, so that whether the optical fiber vibration signal is disturbed or not can be determined according to a set amplitude threshold, wherein a root mean square value of the signal can well reflect the energy change of the vibration signal, and can reflect the vibration amplitude to a certain extent, and a root mean square calculation formula is as follows:
wherein Xrms represents the signal square root; n is the number of elements in the input sequence X.
Because the root mean square can only reflect the energy of the signal change, and cannot reflect the type of the vibration signal, and meanwhile, if a signal is interfered, the root mean square can also be caused to change violently, and an error is easily caused, therefore, a fluctuation coefficient is required to be given, the fluctuation coefficient is defined as the number of the amplitude difference values in the same rising or falling trend in the signal in unit time greater than a certain threshold value, and the formula of the fluctuation coefficient is as follows:
β＝∑Num{|A1-A2|＞A}
wherein β denotes the fluctuation coefficient, A1、A2The amplitude value of the same rising or falling of the waveform is represented; a denotes a fixed value, in generalThe 1/2 peak of the waveform is taken.
But only from time domain characteristic analysis, difficult direct judgement optical fiber vibration signal's type of vibration signal sometimes, consequently the utility model discloses the frequency domain characteristic that combines optical fiber vibration signal carries out the analysis, can carry out spectral analysis to the interference signal of different grade type, when receiving the vibration according to optic fibre promptly, the strong of signal vibration is judged.
In an optional embodiment, the abnormal vibration block analysis mechanism performs fourier transform processing on the optical fiber vibration signal acquired by the distributed optical fiber vibration sensing system, and calculates a preset value of the optical fiber vibration signal after fourier transform; and acquiring the abnormal vibration block with abnormal optical fiber vibration, which is greater than the preset value threshold parameter, by setting a preset value threshold.
Wherein, the optical fiber vibration signal X is obtained after Fourier transformn(m)Preset value Z ofnThe calculation method comprises the following steps:
where sgn [ ] is a sign function, i.e.:
after the technical scheme more than adopting, can avoid fiber mechanism 12 to discern and calculate the normal optic fibre vibration signal of vibration, make user terminal 30 have more corresponding to the identification process of invasion object, improved and invaded alarm system's work efficiency, in addition, the utility model discloses can reduce the interference of strong wind and heavy rain to rail security protection invasion identification effectively, the object of invasion is distinguishd to the accuracy.
In an optional embodiment, the analysis device further includes a facial feature extraction device, and after the camera mechanism 11 collects a video or a picture of the intrusion target, the facial feature extraction device classifies the obtained video or picture, and determines the intrusion object according to a face recognition neural network.
The video or the picture collected by the camera mechanism 11 is classified according to the human face feature extraction device to determine the invaded object, so that the accuracy of judging the invaded object by the alarm system can be effectively improved, meanwhile, the camera mechanism 11 can be sent to a user terminal to track in real time, and the working efficiency of personnel is improved.
In an alternative embodiment, the optical fiber mechanism 12 includes a defense area sensing component, a vibration data acquisition component and a management analysis component, the defense area sensing component is connected to the management analysis component through the vibration data acquisition component, in this embodiment, the defense area sensing component is continuously and equidistantly arranged along the fence at the two sides of the defense area, and the length of the defense area is not more than 250 meters according to the requirement of the prior art, and of course, when the technology is developed to a certain extent, the length of the defense area can also exceed 250 meters; the vibration data acquisition assembly is arranged at the position of a video acquisition point, is accessed to a peripheral optical fiber defense area of the acquisition point nearby through a transmission optical cable, and adopts real-time vibration data and uploads the real-time vibration data; the management analysis component has the remote configuration function of defense area parameters for realizing the receiving, analysis processing and early warning of vibration data.
In an optional implementation mode, the defense area sensing assembly comprises a defense area module and a sensing optical cable connected with the defense area module, in the embodiment, the defense area module and the sensing optical cable are both installed on the perimeter fence, and after the technical scheme is adopted, the power supply is not needed, the energy is saved, the environment is protected, the system is not afraid of lightning stroke, and a new generation gambling warning and preventing means with high reliability is provided, so that the system is ensured to have market-leading competitiveness.
In an optional embodiment, the defense area module includes a defense area head end module and a defense area terminal module, the defense area head end module corresponds to the defense area terminal module in position, the vibration data acquisition component includes a laser, a photoelectric detector and a data acquisition control device, the laser emits an optical signal to interfere after passing through the defense area head end module and the defense area terminal module, and the photoelectric detector receives and converts the interfered optical signal into an electrical signal to transmit to the data acquisition control device.
As a preferred embodiment, a first coupler is arranged on the defense area head end module, and a second coupler and a reflector are arranged on the defense area terminal module; when an optical signal emitted by a laser passes through a first coupler of a defense area head end module, the optical signal is divided into two paths of light beams, wherein one path of light beam passes through an optical fiber delay fiber and a second coupler of a defense area terminal module in sequence, is reflected by a reflector, then passes through a second coupler and a sensing optical cable in sequence, and returns to the first coupler, the other path of light beam passes through the sensing optical cable and the second coupler in sequence, is reflected by the reflector, then passes through the second coupler and the optical fiber delay fiber in sequence, and then returns to the first coupler, and the two paths of light beams generate interference in the first coupler; the photoelectric detector is used for receiving the interfered light beams, converting the light signals into electric signals and sending the electric signals to the data acquisition control device, and the data acquisition control device is used for acquiring the electric signals and preprocessing the electric signals.
In a preferred embodiment, the camera means 11 comprises a high-definition network laser camera, which can rotate and zoom in all directions, and is installed in a staggered manner on both sides of the railway, continuously distributed and covered, and performs all-weather uninterrupted monitoring and warning.
In order to meet the business requirements of security units, the camera is specially designed with voice and laser driving and guiding functions, and can be used for voice calling and visible laser driving away an invading target in the event of an emergency, or indicating the position of the invading target through the visible laser at night to guide police to arrest.
After the technical scheme is adopted, the camera 11 and the optical fiber mechanism 12 form a defense area linkage patrol and search, when the defense area sensing assembly senses that a target object invades the defense area, the early warning is sent, the camera can call a preset corresponding linkage plan according to the invasion early warning category, and when a control instruction of a user terminal is received, the early warning defense area is subjected to combined patrol and search.
In an alternative embodiment, the optical fiber mechanism 12 is mounted on the railway fence on the perimeter of the high-speed railway by a fixing device, the fixing device comprises a hoop part for hooping the railway fence and a fixing plate connected with the hoop part, the fixing plate is vertically arranged, and a groove for accommodating the vibrating optical fiber is arranged on the surface of the fixing plate.
Specifically, the hoop portion can be the U-shaped staple bolt, and simple structure is practical, and fixed plate fixed connection is at the open end of U-shaped staple bolt, and the fixed plate is when fixing the U-shaped staple bolt on the enclosure railing, still through the fixed fiber mechanism 12 of recess installation on its face promptly. The fixed plate can be the sheet metal component, and the recess can be buckled by one side of sheet metal component and form, and the preparation of integral type is simple and convenient more like this, and wherein, the notch of recess is towards staple bolt portion one side, can utilize the surface of enclosure railing and recess to carry out spacing fixed to vibrating optic fibre jointly simultaneously.
In a preferred embodiment, the optical fiber mechanism 12 is embedded with various waveforms of different environments, such as a waveform in a quiet condition, a waveform in a rainy day state, a waveform of a crossing intrusion, and the like, and when the defense area sensing component senses that an object invades the defense area, the optical fiber mechanism 12 compares the collected waveform with the waveform of the embedded optical fiber mechanism 12, thereby realizing an intelligent detection function.
In a preferred embodiment, the camera mechanism 11 comprises a video acquisition part, a video transmission part and an artificial intelligence video identification part, the single-side distribution point spacing is 500 meters or 1000 meters according to the terrain change, and the camera is arranged in the responsibility monitoring range of 500 meters, so that the video acquisition part can shoot without dead angles.
As a preferred embodiment, the collecting device further comprises a voice recognition mechanism for recognizing the voice of the invading object, the voice recognition mechanism stores the voices of different living beings, including human beings, and if the voice of the invading object matches with the voice of the human beings, the information is sent to the user terminal.
As a preferred embodiment, the system further includes a transmission power supply device, and the acquisition device, the analysis device 20, and the user terminal 30 are all connected to the transmission power supply device, in this embodiment, the transmission power supply device is an alternating current commercial power 220V, and according to the power consumption of the equipment in the machine room, the storage battery energy storage is supported at the same time, and when the commercial power is abnormal, the disaster recovery delayed power supply is not less than 4 hours, so that the power supply capacity for supplying power to outside is increased.
As a preferred embodiment, the lightning protection grounding device is further included, the transmission power supply devices are all grounded through the lightning protection grounding device, and the lightning protection grounding device comprises an alternating current power supply lightning protector and a direct current power supply lightning protector and is used for protecting the electrical and electronic devices from lightning electromagnetic pulse induced voltage, operation transient state and resonance (<100 mus) overvoltage.
As a preferred embodiment, the system further comprises a map server, the camera mechanism 11 and the optical fiber mechanism 12 are both connected to the user terminal 30 through the map server, and accurate positioning can be realized through the map server, and monitoring operations such as real-time video preview, video recording and playback, cloud mirror control and the like can be directly performed on a monitored point, and a specific target can be automatically tracked, wherein in a real-time preview state, operations such as pan-tilt and lens control, camera horizontal, vertical rotation, lens zooming, preset position calling, cruise calling and the like can be performed on a camera with a currently selected picture under the authorized condition, and 3D positioning operation of the camera is supported.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An optical fiber vibration and video integrated analysis server for warning of a railway perimeter, comprising:
the acquisition device comprises an optical fiber mechanism for sensing defense area intrusion alert early warning and a camera mechanism for acquiring real-time data, wherein the optical fiber mechanism is arranged on a railway fence, and the camera mechanism is arranged in the fence and is used for identifying an intrusion target in the railway perimeter;
the analysis device is used for processing the information collected by the optical fiber mechanism and the camera mechanism, recognizing fence invasion optical fiber vibration signals by using an M-Z interference principle and determining an invaded object according to a preset face recognition neural network;
the user terminal feeds back the intrusion object determined by the analysis device to the user terminal, and the user terminal monitors the intrusion object and adopts corresponding preset processing;
the optical fiber mechanism is arranged on a railway fence on the periphery of the high-speed railway through a fixing device, the fixing device comprises a hoop part for hooping the railway fence and a fixing plate connected with the hoop part, the fixing plate is vertically arranged, and a groove for accommodating the vibrating optical fiber is formed in the surface of the fixing plate; the hoop portion can be the U-shaped staple bolt, and fixed plate fixed connection is at the open end of U-shaped staple bolt, and the fixed plate is the sheet metal component, and the recess can be formed by a side buckling of sheet metal component, and the notch of recess is towards hoop portion one side.
2. The fiber vibration and video integrated analysis server of claim 1, wherein: the analysis device further includes:
the human face feature extraction device collects videos or pictures of the invasion target, classifies the obtained videos or pictures and determines the invaded object according to the face recognition neural network.
3. The fiber vibration and video integrated analysis server of claim 1, wherein: the optical fiber mechanism comprises a defense area module and a sensing optical cable connected with the defense area module, and the defense area module and the sensing optical cable are both arranged on a fence at the periphery of the defense area.
4. The fiber vibration and video analysis-by-synthesis server according to claim 3, wherein: the defense area module comprises a defense area head end module and a defense area terminal module, and the position of the defense area head end module corresponds to that of the defense area terminal module.
5. The fiber vibration and video analysis-by-synthesis server according to claim 4, wherein: the defense area terminal module is provided with a second coupler and a reflector; after the light beam passes through the first coupler and the second coupler in sequence, the light beam returns to the first coupler through the reflecting mirror.
6. The fiber vibration and video integrated analysis server of claim 1, wherein: the camera shooting mechanism comprises a camera which is of a spherical structure.
7. The fiber vibration and video integrated analysis server of claim 1, wherein: further comprising:
and the transmission power supply equipment, the acquisition device, the analysis device and the user terminal are all connected to the transmission power supply equipment.
8. The fiber vibration and video analysis-by-synthesis server according to claim 7, wherein: further comprising:
and the transmission power supply equipment is grounded through the lightning protection grounding equipment.
9. The fiber vibration and video integrated analysis server of claim 1, wherein: the user terminal is one or more of a client computer, a display device, an acousto-optic warning, a short message gateway and a semantic shouting microphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921285957.XU CN210836448U (en) | 2019-08-07 | 2019-08-07 | Optical fiber vibration and video comprehensive analysis server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921285957.XU CN210836448U (en) | 2019-08-07 | 2019-08-07 | Optical fiber vibration and video comprehensive analysis server |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210836448U true CN210836448U (en) | 2020-06-23 |
Family
ID=71255482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921285957.XU Active CN210836448U (en) | 2019-08-07 | 2019-08-07 | Optical fiber vibration and video comprehensive analysis server |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210836448U (en) |
-
2019
- 2019-08-07 CN CN201921285957.XU patent/CN210836448U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201766663U (en) | Residential property monitoring system | |
| CN108802758B (en) | Intelligent security monitoring device, method and system based on laser radar | |
| CN107672625B (en) | Perimeter intrusion alarm system for high-speed railway | |
| CN112382033A (en) | Regional intrusion alarm system | |
| CN102255381A (en) | Wireless intelligent video monitoring system of power transmission line | |
| CN112907869B (en) | Intrusion detection system based on multiple sensing technologies | |
| CN202331743U (en) | Intelligent security monitoring system | |
| CN104574737A (en) | Comprehensive boundary security system | |
| CN111596293A (en) | Radar security and protection integrated machine and monitoring method thereof | |
| WO2020063866A1 (en) | Traffic monitoring and evidence collection system | |
| CN105957287A (en) | Anti-damage early warning system for overhead transmission line and method | |
| CN114594490A (en) | Laser external damage prevention method and device for power line | |
| CN113393625A (en) | Anti-theft alarm evidence obtaining method and system for intelligent lamp pole | |
| CN108806144A (en) | A kind of community alarm system based on 5G networks | |
| CN107123242A (en) | A kind of intelligent building Video Surveillance Alarm System | |
| CN110481600B (en) | Unmanned autonomous comprehensive alarm system | |
| CN112349055A (en) | Target monitoring device and method based on radar and video linkage | |
| CN211710855U (en) | Unmanned autonomous comprehensive alarm system | |
| CN105374141A (en) | Radar, vibration and hit Internet of Things electronic wall and method thereof | |
| CN210836448U (en) | Optical fiber vibration and video comprehensive analysis server | |
| CN210667065U (en) | Comprehensive optical fiber alarm with intrusion vibration and accurate positioning functions | |
| CN201774312U (en) | Wireless intelligent video monitoring device for power transmission lines | |
| CN110136393A (en) | A kind of multifunctional high pressure route on-line monitoring early-warning apparatus | |
| CN203084848U (en) | Tower antitheft monitoring system | |
| CN204360494U (en) | A kind of circumference comprehensive precaution system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |