CN102360082B - Monitoring system for power transmission line - Google Patents
Monitoring system for power transmission line Download PDFInfo
- Publication number
- CN102360082B CN102360082B CN 201110232446 CN201110232446A CN102360082B CN 102360082 B CN102360082 B CN 102360082B CN 201110232446 CN201110232446 CN 201110232446 CN 201110232446 A CN201110232446 A CN 201110232446A CN 102360082 B CN102360082 B CN 102360082B
- Authority
- CN
- China
- Prior art keywords
- module
- main control
- receiving end
- control module
- transmitting terminal
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Alarm Systems (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention provides a monitoring system for a power transmission line, which comprises an emitting end main control module, an emitting module, a receiving end main control module, a receiving module, an emitting end power supply module, a receiving end power supply module, an emitting end communication module and a receiving end communication module, wherein the emitting end main control module is used for controlling the work of each module of the emitting end, the emitting module is used for emitting detection signals, the receiving end main control module is used for controlling the work of each module of the receiving end, the receiving module is used for receiving detection signals emitted by the emitting module, the emitting end power supply module is used for providing work voltage required by each module of the emitting end, the receiving end power supply module is used for providing work voltage required by each module of the receiving end, the emitting end communication module is used for sending the relevant data of the emitting end, and the receiving end communication module is used for sending data generated by the system per se and data collected from the outsideto a monitoring center or other remote terminals. Compared with the prior art, the monitoring system has the advantages that a monitoring space for covering the power transmission line between the two modules is formed between the emitting module and the receiving module. The monitoring coverage range of the monitoring system for the power transmission line is enlarged, and the warning can be realized in time.
Description
Technical field
The invention belongs to the electric power monitoring field, relate in particular to a kind of used for transmission line monitoring system.
Background technology
Transmission line of electricity prolong continuous thousands of in, the circuit corridor is with a varied topography, changeable, through regular meeting owing to the invasion of external force is destroyed, such as the crane short, violating the regulationsly construct, foreign matter short circuit and theft etc.These destroy and gently then to cause large-area power-cuts, and are heavy then cause casualties.Therefore when foreign object is invaded, before transmission line of electricity is damaged, transmission line of electricity is monitored be significant in time.
Existing transmission line of electricity monitoring product monitoring coverage is limited, mostly is confined to monitor the invasion of a certain external force, transmission line of electricity is not carried out omnibearing protection.The most important thing is that these products are mostly just reported to the police after transmission line of electricity is destroyed, can not be effectively pre-tamper-proof generation namely can not meet with at transmission line of electricity and monitor transmission line of electricity before destroying.Therefore, these monitoring products have significant limitation, can not satisfy the needs of practical application far away.
Summary of the invention
The purpose of the embodiment of the invention is intended to solve the monitoring limited coverage area that exists in the prior art that transmission line of electricity is monitored, the technical matters that can not carry out the early warning detection before destroying generation to transmission line of electricity, a kind of used for transmission line monitoring system is provided, can realize transmission line of electricity is monitored in real time, find the invasion of external force in advance.
The embodiment of the invention is to realize like this, the used for transmission line monitoring system, described used for transmission line monitoring system comprises: transmitter module, receiver module, transmitting terminal main control module, receiving end main control module, transmitting terminal power module, receiving end power module, transmitting terminal communication module and receiving end communication module;
The transmitting terminal main control module is placed in electric power line pole tower, is used for the work of control transmitter module, transmitting terminal power module and transmitting terminal communication module;
Transmitter module is connected with described transmitting terminal main control module, is used for the emission detection signal;
The transmitting terminal communication module is connected with described transmitting terminal main control module, is used for sending the related data of transmitting terminal;
The transmitting terminal power module is connected with described transmitting terminal main control module, is used for providing transmitter module, transmitting terminal main control module and the required operating voltage of transmitting terminal communication module;
The receiving end main control module is placed within the investigative range, the electric power line pole tower outside the electric power line pole tower at described transmitting terminal main control module place, is used for the work of control receiver module, receiving end power module and receiving end communication module;
Receiver module is connected with described receiving end main control module, is used for receiving the detectable signal of described transmitter module emission;
The receiving end communication module is connected with described receiving end main control module, is used for to the data of remote terminal transmitting system self generation, and the data of collecting from the external world;
The receiving end power module is connected with described receiving end main control module, is used for providing receiver module, receiving end main control module and the required operating voltage of receiving end communication module;
Wherein, the detectable signal between described transmitter module and the described receiver module forms a monitoring space of containing power transmission line between two modules.
Further, described monitoring space is spheroid monitoring space.
Further, the maximum length of described spheroid monitoring space is 457m, and breadth extreme is 12m.
Further, described transmitter module comprises with described transmitting terminal main control module and being connected, and emission detection is with electromagnetic emission radar.
Described receiver module comprises with described receiving end main control module and being connected, and receives the electromagnetic receiving radar of detection of described emission radar emission.
Further, described system also comprises the video comparing module that is connected with described receiving end main control module, the video image and last one video image of gathering constantly that are used for a certain moment is gathered are compared, and comparison information is sent to described receiving end main control module.
Further, described video comparing module comprises:
Be connected with described receiving end main control module, with the camera of visual form collection site information;
Be connected with described camera, the video image in a certain moment of gathering and the video that last one constantly video image is compared are compared processor.
Further, described transmission line of electricity monitoring system also comprises:
Be connected with described receiving end main control module, with the mode collection site situation of video, and the monitor module of the video of processing collection.
Further, described monitor module comprises:
Be connected with described receiving end main control module, with the clipping the ball machine of visual form collection site information;
Be connected the video server that the video of gathering is handled with described clipping the ball machine.
Further, described transmitting terminal main control module and described receiving end main control module are that model is the single-chip microcomputer of MEGA128.
Further, described system also comprises:
Be placed in transmitting terminal main control module and receiving end main control module place electric power line pole tower, be connected with described receiving end main control module with described transmitting terminal main control module respectively, to the theft-proof sensor of guarding against around the shaft tower, described theft-proof sensor is the infrared microwave detector.
Further, described system also comprises: be connected with described receiving end main control module, site safety hidden danger carried out the acousto-optic early warning module of early warning.
The embodiment of the invention utilizes transmitter module emission detection signal, receiver module to receive this detectable signal, form the monitoring space between two modules and utilize this monitoring space to monitoring between two towers, can carry out omnibearing scanning and monitoring to the transmission line of electricity between two shaft towers, when foreign object is invaded the monitoring space, can produce alerting signal.Compared with prior art, the embodiment of the invention has enlarged the monitoring coverage of monitoring transmission line of electricity outside destroy, and can carry out the external force intrusion detection to transmission line of electricity more in real time, can in time find the external force of invading early.
Description of drawings
Fig. 1 is the structural drawing of the used for transmission line monitoring system that provides of the embodiment of the invention.
Fig. 2 is the structural drawing of the another kind of used for transmission line monitoring system that provides of the embodiment of the invention.
Fig. 3 is the structural drawing of the third used for transmission line monitoring system of providing of the embodiment of the invention.
Fig. 4 is the structural drawing of the 4th kind of used for transmission line monitoring system providing of the embodiment of the invention.
Fig. 5 is the structural drawing of the video comparing module that provides of the embodiment of the invention.
Fig. 6 is the structural drawing of the monitor module that provides of the embodiment of the invention.
Fig. 7 is the structural drawing of the power module that provides of the embodiment of the invention.
Fig. 8 is the structural drawing of the main control module that provides of the embodiment of the invention.
Fig. 9 is the structural drawing of the 5th kind of used for transmission line monitoring system providing of the embodiment of the invention.
Figure 10 is the structural drawing of the 6th kind of used for transmission line monitoring system providing of the embodiment of the invention.
Figure 11 is the hardware principle block diagram that the embodiment of the invention provides.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
The embodiment of the invention is achieved in that described used for transmission line monitoring system comprises:
Be placed in electric power line pole tower, the transmitting terminal main control module of control transmitter module, transmitting terminal power module and the work of transmitting terminal communication module;
Be connected the transmitter module of emission detection signal with described transmitting terminal main control module;
Be placed within the investigative range, the electric power line pole tower outside the electric power line pole tower at described transmitting terminal main control module place, the receiving end main control module of control receiver module, receiving end power module and the work of receiving end communication module;
Be connected with described receiving end main control module, receive the receiver module of the detectable signal of described transmitter module emission;
Be connected with described transmitting terminal main control module, the transmitting terminal power module of the required operating voltage of transmitter module, transmitting terminal main control module and transmitting terminal communication module is provided;
Be connected with described receiving end main control module, the receiving end power module of the required operating voltage of receiver module, receiving end main control module and receiving end communication module is provided;
Be connected with described transmitting terminal main control module, send the transmitting terminal communication module of the related data of transmitting terminal;
Be connected with described receiving end main control module, to the data of remote terminal transmitting system self generation, and the receiving end communication module of the data of collecting from the external world.
Wherein, the detectable signal between described transmitter module and the described receiver module forms a spheroid monitoring space of containing power transmission line between two modules.
The embodiment of the invention utilizes transmitter module and receiver module to monitoring between two towers, can when foreign object is invaded the monitoring space, can produce alerting signal to carrying out omnibearing scanning around the electric power line pole tower.Compared with prior art, the embodiment of the invention has enlarged the monitoring coverage of monitoring transmission line of electricity outside destroy system, and can report to the police more in time.
Fig. 1 shows the structure of the used for transmission line monitoring system that first embodiment of the invention provides, and only shows the part relevant with the embodiment of the invention for convenience of explanation.
Wherein, the used for transmission line monitoring system comprises:
Transmitting terminal main control module 11 is placed in electric power line pole tower, is used for the work of control and each module of coordinates transmission end, as the work of control transmitter module, transmitting terminal power module and transmitting terminal communication module.
Transmitting terminal communication module 12 is connected with transmitting terminal main control module 11, is used for to the related data of receiving end transmission transmitting terminal.The related data of transmitting terminal mainly comprises the data such as residual capacity of battery of antitheft data, transmitting terminal.As an example of the embodiment of the invention, what the transmitting terminal communication module used is the communication of 433MHz frequency range.
Transmitting terminal power module 13 is connected with transmitting terminal main control module 11, is used to each module of transmitting terminal that operating voltage is provided, as the operating voltage of transmitter module, transmitting terminal main control module and transmitting terminal communication module is provided.
Receiving end main control module 14, be placed within the investigative range, the electric power line pole tower outside the electric power line pole tower at transmitting terminal main control module 11 places, be used for the work of each module of control receiving end, as the work of control receiver module, receiving end power module and receiving end communication module.
Receiving end communication module 15, be connected with receiving end main control module 14, be used for to the data of Surveillance center or other remote terminal transmitting systems self generation, as the fault data of self, the related datas of the transmitting terminal of operating state data and acceptance etc. and the data of collecting from the external world are as Monitoring Data and alert data etc.As an example of the embodiment of the invention, receiving end communication module 15 uses the communication of 433MHz frequency range to receive the related data that transmitting terminal communication module 12 sends; Use the GPRS module to the data of Surveillance center or other remote terminal transmitting systems self generation, and the data of collecting from the external world.In addition, transmitting terminal communication module and receiving end communication module are also supported 3G or two kinds of communication modes of OPGW+ power private network, and system reserves 3G module interface and RJ45 interface, make things convenient for user flexibility to select the communication access way.
Receiving end power module 16 is connected with receiving end main control module 14, is used to each module of receiving end that operating voltage is provided, as providing required operating voltage for receiver module, receiving end main control module and receiving end communication module.
Transmitter module 17 is connected with transmitting terminal main control module 11, is used for the emission detection signal.
Receiver module 18 is connected with receiving end main control unit 14, is used for receiving the detectable signal of transmitter module 17 emissions.
In real work, transmitter module 17 sends detectable signal under the control of transmitting terminal main control module 11, and receives above-mentioned detectable signal with receiver module 18 that transmitter module 17 is installed respectively on the different shaft towers.Between transmitter module 17 and receiver module 18, form a monitoring space; for monitoring accuracy and the saving electric energy that improves this monitoring space; described monitoring space is preferably the spheroid monitoring space of remote a, wide region; this spheroid monitoring space both can contain the power transmission line between described transmitter module 17 and the receiver module 18; transmission line of electricity is carried out real-time monitoring and protecting; compare the energy consumption of the system that can also save to greatest extent with the monitoring space of other shapes, effectively prolong the working time of system.
When not having the external force invasion, monitoring used for transmission line monitoring system is in stable monitoring state.When the steady state (SS) of system is broken, be system monitoring when having external force to invade the monitoring space, receiver module 18 becomes alerting signal to send receiving end main control module 14 to this change transitions, after receiving end main control module 14 is received alerting signal, report Surveillance center or other remote terminals by receiving end communication module 15.
The embodiment of the invention utilizes detectable signal transmitter module and detectable signal receiver module that the transmission line of electricity between two towers is monitored, and can when foreign object is invaded the monitoring space, can produce alerting signal to carrying out omnibearing scanning around the electric power line pole tower.Compared with prior art, the embodiment of the invention has enlarged the monitoring coverage of transmission line of electricity monitoring and early warning system, and can report to the police more in time.
In the real work, for monitoring precision and effective its rate of false alarm that reduces of further strengthening described monitoring system, when not having external force to invade this monitoring space, path monitoring and early warning system are in stable monitoring state; When the steady state (SS) of system is broken, be system monitoring when having external force to invade this monitoring space and the minimum length of intrusion object is that L and translational speed are within predetermined speed range the time, receiver module 18 becomes alerting signal to send receiving end main control module 14 to this change transitions, receiving end main control module 14 is exported this alerting signal after receiving alerting signal, report Surveillance center or other remote terminals by the warning of control warning device and by receiving end communication module 15, in order to can make the related personnel in time obtain the external force form of this invasion, and make effective defensive measure.
Among the above embodiment, the scope of described L is 10cm-30cm, and described predetermined speed range is: 0.3m/s-30m/s.Logical this setup can prevent effectively that swarming into the system that causes in this monitoring space when bird produces wrong report.
Fig. 2 shows the structure of the used for transmission line monitoring system that second embodiment of the invention provides, and only shows the part relevant with the embodiment of the invention for convenience of explanation.
Wherein, transmitter module 17 comprises emission radar 21, and emission radar 21 is connected with transmitting terminal main control module 11, is used for the emission detection electromagnetic wave.
Receiver module 18 comprises receiving radar 22, and receiving radar 22 is connected with receiving end main control module 14, is used for receiving the detection electromagnetic wave of emission radar 21 emissions.
In real work, emission radar 21 sends to survey and use electromagnetic wave under the control of transmitting terminal main control module 11, and with emission radar 21 the above-mentioned detection electromagnetic wave of receiving radar 22 receptions on the different shaft towers is installed respectively.Forming the spheroid monitoring space that power transmission line between radar 21 and the receiving radar 22 is launched in a containing remote, wide region between emission radar 21 and the receiving radar 22, transmission line of electricity is carried out real-time guard.
When not having the external force invasion, the used for transmission line monitoring system is in stable monitoring state.When the steady state (SS) of system is broken, be system monitoring when having external force to invade the monitoring space, receiving radar 22 becomes alerting signal to send receiving end main control module 14 to this change transitions, after receiving end main control module 14 is received alerting signal, report Surveillance center or other remote terminals by receiving end communication module 15.
As a kind of preferred version, the maximum length in described spheroid monitoring space is 457m, and breadth extreme is 12m.
As the example of the embodiment of the invention, emission radar 21 and receiving radar 22 can be respectively microwave emitter and the microwave receiver that is operated in the K wave band.When receiving end communication module 15 transmits warning message to Surveillance center or other remote terminals, can pass through networks such as GPRS, CDMA, 3G or OPGW+ power private network and realize transmission.
The embodiment of the invention is utilized radar monitoring, can when foreign object is invaded the monitoring space, can produce alerting signal to carrying out omnibearing scanning around the electric power line pole tower.Compared with prior art, the embodiment of the invention has enlarged the monitoring coverage of monitoring transmission line of electricity outside destroy system, and can report to the police more in time when external force is invaded.
Fig. 3 shows the structure of the used for transmission line monitoring system that third embodiment of the invention provides, and only shows the part relevant with the embodiment of the invention for convenience of explanation.
Wherein, the used for transmission line monitoring system also comprises monitor module 31, and monitor module 31 is connected with receiving end main control module 14, is used for the mode collection site situation with video, and handles the video of gathering.
In real work, system monitoring is to external force when invasion arranged, receiving radar 22 sends alerting signal to receiving end main control module 14, after receiving end main control module 14 is received alerting signal, reports Surveillance center or other remote terminals by receiving end communication module 15.Start 31 pairs of alarm scenes of monitor module simultaneously and carry out live video, and after the live video of gathering handled in the mode of video, pass Surveillance center or other remote terminals back by receiving end communication module 15, in order to can learn particular location and external force invasion form that the external force invasion takes place, make corresponding measure at concrete situation and avoid transmission line of electricity to be destroyed.
As the example of the embodiment of the invention, when receiving end communication module 15 transmits video information to Surveillance center or other remote terminals, can realize transmitting by 3G network.
The embodiment of the invention is utilized monitor module, make Surveillance center or other remote terminals can demonstrate the concrete form that transmission line of electricity is constituted potential safety hazard, be conducive to Surveillance center and take corresponding preventive measure in light of the circumstances, improved the risk prevention ability of system.
Fig. 6 shows the structure of the monitor module that the embodiment of the invention provides, and only shows the part relevant with the embodiment of the invention for convenience of explanation, and monitor module 31 comprises:
Clipping the ball machine 41 is connected with receiving end main control module 14, is used for visual form collection site information.
In embodiments of the present invention, transmitting terminal and receiving end all adopt same power module, and Fig. 7 shows the structure of the power module that the embodiment of the invention provides, and only shows the part relevant with the embodiment of the invention for convenience of explanation.
Wherein, transmitting terminal power module 13 and receiving end power module 16 include:
Owing to be subjected to the constraint of time and region, be difficult to round-the-clock sun power or the wind energy of all only relying on and generate electricity.And sun power and wind energy all have very strong complementarity in time with on the region: wind was less when daylight was strong; When illumination at night was weak, wind energy was owing to face of land difference variation strengthens.Therefore the embodiment of the invention is switched between solar electrical energy generation and wind power generation as the case may be, to guarantee the reliability and stability of system power supply.
Preferably, transmitting terminal main control module 11 and receiving end main control module 14 all use same single-chip microcomputer, and its structure as shown in Figure 8.Preferably, main control module uses model to be the single-chip microcomputer of MEGA128.
Fig. 4 shows the structure of the monitoring transmission line of electricity outside destroy system that fourth embodiment of the invention provides, and only shows the part relevant with the embodiment of the invention for convenience of explanation.
Wherein, the used for transmission line monitoring system also comprises video comparing module 91.Video comparing module 91 is connected with receiving end main control module 14, video image and last one video image of constantly being gathered for a certain moment that also will gather with the mode moment collection site situation of video are compared, if when the video image in this moment of gathering and last a video image constantly is inconsistent, show the external force invasion is arranged, then system reports to the police, and alerting signal and video comparison picture are reported Surveillance center or other remote terminals by receiving end communication module 15.Therefore radar monitoring technology and video comparison technology are used in combination, and have further strengthened monitoring accuracy and the monitoring accuracy of described monitoring system.Two kinds of monitoring technology are monitored transmission line of electricity simultaneously in the concrete observation process again, and when monitoring the external force invasion simultaneously, system just can produce alerting signal and send relevant information to remote monitoring terminal.
As a kind of preferred embodiment, in order to improve the early warning accuracy of early warning system, in real work, system by radar monitoring to external force invasion (the concrete observation process of this part can with reference to embodiment one) is arranged, and when the video image in this moment that video comparing module 91 is gathered and last a video image of gathering constantly is inconsistent, system carries out the external force intrusion alarm, receiving radar 22 sends alerting signal to receiving end main control module 14, the video comparison picture that while video comparing module 91 will be taken this moment sends receiving end main control module 14 to, receiving end main control module 14 reports Surveillance center or other remote terminals by receiving end communication module 15 after receiving alerting signal and video comparison picture.Start 31 pairs of alarm scenes of monitor module simultaneously and carry out live video, and after the live video of gathering handled in the mode of video, pass Surveillance center or other remote terminals back by receiving end communication module 15, in order to can learn particular location and external force invasion form that the external force invasion takes place, make corresponding measure at concrete situation and avoid transmission line of electricity to be destroyed.Therefore, have only when system monitoring when having external force to invade this monitoring space and the minimum length of intrusion object be that L and translational speed are within predetermined speed range the time, and when the video image in this moment that video comparing module 91 is gathered and last a video image of gathering constantly is inconsistent, receiving end main control module 14 just can send alerting signal, and the Monitoring Data of will being correlated with sends remote monitoring terminal to, if above-mentioned two is satisfied simultaneously to condition, then system still is in a kind of stable duty, can't send alerting signal and report to the police.
In the present embodiment, simultaneously the overhead transmission line between the shaft tower is carried out the monitoring of external force invasion by radar detection technique and video comparison detection technique, have only to detect by the comparison of detections of radar and video and detect simultaneously when unusual, system just confirms to have the external force invasion, reports Surveillance center or other remote monitoring terminals by receiving end communication module 15 when reporting to the police.
Fig. 5 shows the structure of the video comparing module 91 that the embodiment of the invention provides, and only shows the part relevant with the embodiment of the invention for convenience of explanation.
Fig. 9 shows the structure of the used for transmission line monitoring system that fifth embodiment of the invention provides, and only shows the part relevant with the embodiment of the invention for convenience of explanation.
Wherein, the used for transmission line monitoring system also comprises theft-proof sensor 71, theft-proof sensor 71 is placed in transmitting terminal main control module and receiving end main control module place electric power line pole tower, is connected with receiving end main control module 14 with transmitting terminal main control module 11 respectively, is used for guarding against around the shaft tower.Preferably, theft-proof sensor 71 is installed on the shaft tower distance apart from 5-6 meters on ground.
The electromagnetic emission of 71 pairs of the theft-proof sensors property surveyed is collected as one with connecing, form the space exploration of a centrum, the space that the spheroid space exploration that forms with emission radar 21 and receiving radar 22 and video comparing module 91 are monitored is superimposed, to strengthen the monitoring capability of system.
In addition, theft-proof sensor 71 comprises detector and phased array radar, and wherein detector can be the detector of " infrared, microwave, intelligence three mirror detectors " by name.Utilize two microwave M RD-PLUS motion state recognition technologies that body, the relative displacement speed of intrusion target are carried out detection and Identification, can identify interference sources such as rocking of hangers such as trees, clothing, but wrong report is stopped in interference such as wind resistance, rain, snow, sand.In addition, theft-proof sensor 71 can be identified the object size of monitoring automatically, and the object of minimum monitoring is 30kg, so meiofaunas such as bird, bat can not impact theft-proof sensor 71.Preferably, theft-proof sensor 71 adopts the infrared microwave detector in the present embodiment.
When questionable person or thing enter the warning region of theft-proof sensor 71, theft-proof sensor 71 directly or by transmitting terminal communication module 12 sends alerting signal to receiving end main control module 14, after receiving end main control module 14 is received alerting signal, report Surveillance center or other remote terminals by receiving end communication module 15, start 31 pairs of alarm scenes of monitor module simultaneously and carry out live video, and pass the live video of gathering back Surveillance center or other remote terminals in the mode of video by receiving end communication module 15, avoid transmission line of electricity to be destroyed in order to make corresponding measure.
As the example of the embodiment of the invention, settle four theft-proof sensors 71 at each shaft tower, be installed on respectively tower around, the environment around the monitoring in real time, protection iron tower and terminal device.
The embodiment of the invention adds theft-proof sensor 71 at shaft tower, can strengthen the monitoring capability of system, and these theft-proof sensor 71 employing infrared microwave detectors, can prevent wrong report.
In above-described embodiment, the used for transmission line monitoring system also comprises the acousto-optic early warning module 81 that is connected with receiving end main control module 14, and described acousto-optic early warning module 81 can adopt any voice guard that can sound or emit beam or light alarm in the prior art.As shown in figure 10.In Surveillance center or other remote terminal transmission alerting signals, start acousto-optic early warning module 81 in system, play the forewarning function of fright or caution with the potential safety hazard to the scene.
Figure 11 shows the hardware principle that the embodiment of the invention provides, and only shows the part relevant with the embodiment of the invention for convenience of explanation.
Wherein, GPIO is universaling I/O port, 12C is the 12C bus, and ADC is digiverter, and USART is universal synchronous/asynchronous serial reception/transmitter, RS232 is the RS232 interface, JTAG is jtag interface, and SDRAM is synchronous DRAM, and SPI is spi bus, FLASH is flash memory, and EBI is the EBI bus.
Wherein, described video comparing module, power module, monitor module, transmitter module or receiver module, audible-visual annunciator and theft-proof sensor all are connected with corresponding single-chip microcomputer, and wherein this system comprises that also the reset circuit, real time clock circuit, FLASH circuit, the hardware that are connected with single-chip microcomputer sees the circuit, the cradle head control interface circuit of clipping the ball, warning input circuit and the theft-proof sensor warning circuit of radar of power control unit of circuit, clipping the ball machine and the video server of the power control unit of doorway circuit, GPRS module.
In real work, on shaft tower, at first fix a cabinet, functional modules such as the built-in communication module of cabinet, main control module have formed a wide region, omnibearing space exploration between the precision radar on two adjacent shaft towers.
The video comparing module is gathered and is monitored the video pictures in a certain moment constantly and compared with the video pictures in a last moment of gathering simultaneously.
When foreign object was invaded this space exploration, precision radar detects this information and screen comparing module, and to compare image and last an image constantly in this moment inconsistent, and communication module sends warning information to Surveillance center or other remote terminals.Meanwhile, start audible-visual annunciator, the scene is deterred, and utilize the clipping the ball machine to pass field condition back Surveillance center or other remote terminals with the form of video by communication module.
And be installed in theft-proof sensor on each tower, in order to monitor in-plant intrusion situation, the detectability of strengthening system.
In the example of embodiment provided by the invention, feature at transmission line of electricity, if desire between all transmission lines of electricity, all to set up a monitoring space, need be all to install corresponding transmitter module and receiver module on adjacent two shaft towers in adjacent monitoring space.
As another example of the embodiment of the invention, precision radar uses K wave band sensor, can detect 457m farthest, and breadth extreme can reach 12m, and this width can be as required or field condition regulate.
The embodiment of the invention has following beneficial effect:
1, utilize transmitter module and receiver module to survey with electromagnetic emission and reception, guaranteed omnibearing monitoring range, when foreign object was invaded this monitoring space, system can produce alerting signal, can in time report to the police.
2, system adds video comparison technology, by being used in combination with the electromagnetic wave technology, monitors all two kinds of technology that system just reports to the police when unusual, has further improved monitoring accuracy and the accuracy of system to the external force invasion.
3, utilize monitor module field condition is gathered and to be transmitted, can make the definite concrete form of knowing potential safety hazard and the place of personnel at Surveillance center or other remote terminal places, so that it takes appropriate measures to particular problem, strengthened pre-alerting ability and the risk prevention ability of system.
4, adopt the power-supply system that between wind power generation and solar electrical energy generation, to switch, improved the reliability and stability of power supply.
5, by adding theft-proof sensor, further improved the monitoring capability of system.
6, theft-proof sensor adopts two microwave M RD-PLUS motion state recognition technologies and phased array radar, can identify interference sources such as rocking of hangers such as trees, clothing, but wrong report is stopped in interference such as wind resistance, rain, snow, sand.
7, added acousto-optic early warning module in the system, can frighten or warn the potential safety hazard at scene.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. used for transmission line monitoring system, described used for transmission line monitoring system comprises: transmitter module, receiver module, transmitting terminal main control module, receiving end main control module, transmitting terminal power module, receiving end power module, transmitting terminal communication module and receiving end communication module;
The transmitting terminal main control module is placed in electric power line pole tower, is used for the work of control transmitter module, transmitting terminal power module and transmitting terminal communication module;
Transmitter module is connected with described transmitting terminal main control module, is used for the emission detection signal;
The transmitting terminal communication module is connected with described transmitting terminal main control module, is used for sending the related data of transmitting terminal;
The transmitting terminal power module is connected with described transmitting terminal main control module, is used for providing transmitter module, transmitting terminal main control module and the required operating voltage of transmitting terminal communication module;
The receiving end main control module is placed within the investigative range, the electric power line pole tower outside the electric power line pole tower at described transmitting terminal main control module place, is used for the work of control receiver module, receiving end power module and receiving end communication module;
Receiver module is connected with described receiving end main control module, is used for receiving the detectable signal of described transmitter module emission;
The receiving end communication module is connected with described receiving end main control module, is used for to the data of remote terminal transmitting system self generation, and the data of collecting from the external world;
The receiving end power module is connected with described receiving end main control module, is used for providing receiver module, receiving end main control module and the required operating voltage of receiving end communication module;
Wherein, the detectable signal between described transmitter module and the described receiver module forms a monitoring space of containing power transmission line between two modules;
Described system also comprises the video comparing module that is connected with described receiving end main control module, and the video image and last one video image of gathering constantly that are used for a certain moment is gathered are compared, and comparison information is sent to described receiving end main control module;
When system monitoring when having external force to invade this monitoring space and the minimum length of intrusion object be that L and translational speed are within predetermined speed range the time, and when the video image in this moment of video comparing module collection and last a video image of gathering constantly was inconsistent, the receiving end main control module sent alerting signal.
2. used for transmission line monitoring system according to claim 1 is characterized in that, described monitoring space is spheroid monitoring space.
3. used for transmission line monitoring system according to claim 2 is characterized in that, the maximum length in described spheroid monitoring space is 457m, and breadth extreme is 12m.
4. used for transmission line monitoring system according to claim 1 is characterized in that,
Described transmitter module comprises with described transmitting terminal main control module and being connected, and emission detection is with electromagnetic emission radar;
Described receiver module comprises with described receiving end main control module and being connected, and receives the electromagnetic receiving radar of detection of described emission radar emission.
5. used for transmission line monitoring system according to claim 4 is characterized in that, described video comparing module comprises:
Be connected with described receiving end main control module, with the camera of visual form collection site information;
Be connected with described camera, the video image in a certain moment of gathering and the video that last one constantly video image is compared are compared processor.
6. used for transmission line monitoring system as claimed in claim 1 is characterized in that, described transmission line of electricity monitoring system also comprises:
Be connected with described receiving end main control module, with the mode collection site situation of video, and the monitor module of the video of processing collection.
7. used for transmission line monitoring system as claimed in claim 6 is characterized in that, described monitor module comprises:
Be connected with described receiving end main control module, with the clipping the ball machine of visual form collection site information;
Be connected the video server that the video of gathering is handled with described clipping the ball machine.
8. used for transmission line monitoring system as claimed in claim 1 is characterized in that, described system also comprises:
Be placed in the electric power line pole tower at described transmitting terminal main control module and receiving end main control module place, be connected with described receiving end main control module with described transmitting terminal main control module respectively, to the theft-proof sensor of guarding against around the shaft tower, described theft-proof sensor is the infrared microwave detector.
9. used for transmission line monitoring system as claimed in claim 1 is characterized in that, described system also comprises: be connected with described receiving end main control module, site safety hidden danger carried out the acousto-optic early warning module of early warning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110232446 CN102360082B (en) | 2010-10-18 | 2011-08-15 | Monitoring system for power transmission line |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010518788.7 | 2010-10-18 | ||
| CN2010105187887A CN102024302A (en) | 2010-10-18 | 2010-10-18 | Monitoring and early warning system for power transmission lines |
| CN 201110232446 CN102360082B (en) | 2010-10-18 | 2011-08-15 | Monitoring system for power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102360082A CN102360082A (en) | 2012-02-22 |
| CN102360082B true CN102360082B (en) | 2013-10-09 |
Family
ID=43865556
Family Applications (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105187887A Pending CN102024302A (en) | 2010-10-18 | 2010-10-18 | Monitoring and early warning system for power transmission lines |
| CN 201110232447 Active CN102289902B (en) | 2010-10-18 | 2011-08-15 | Overhead power transmission line monitoring and early warning system and working method thereof |
| CN 201110232446 Expired - Fee Related CN102360082B (en) | 2010-10-18 | 2011-08-15 | Monitoring system for power transmission line |
| CN2011202957419U Expired - Fee Related CN202196479U (en) | 2010-10-18 | 2011-08-15 | System for monitoring external damage to overhead transmission line |
| CN 201110232448 Active CN102289903B (en) | 2010-10-18 | 2011-08-15 | Overhead power transmission line monitoring system |
| CN2011102324158A Expired - Fee Related CN102323589B (en) | 2010-10-18 | 2011-08-15 | Line monitoring and early warning system |
| CN2011202947760U Expired - Fee Related CN202167097U (en) | 2010-10-18 | 2011-08-15 | Signal transmitter, signal receiver and overhead line monitoring system |
| CN2011202947633U Expired - Fee Related CN202196177U (en) | 2010-10-18 | 2011-08-15 | Circuit monitoring system |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105187887A Pending CN102024302A (en) | 2010-10-18 | 2010-10-18 | Monitoring and early warning system for power transmission lines |
| CN 201110232447 Active CN102289902B (en) | 2010-10-18 | 2011-08-15 | Overhead power transmission line monitoring and early warning system and working method thereof |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202957419U Expired - Fee Related CN202196479U (en) | 2010-10-18 | 2011-08-15 | System for monitoring external damage to overhead transmission line |
| CN 201110232448 Active CN102289903B (en) | 2010-10-18 | 2011-08-15 | Overhead power transmission line monitoring system |
| CN2011102324158A Expired - Fee Related CN102323589B (en) | 2010-10-18 | 2011-08-15 | Line monitoring and early warning system |
| CN2011202947760U Expired - Fee Related CN202167097U (en) | 2010-10-18 | 2011-08-15 | Signal transmitter, signal receiver and overhead line monitoring system |
| CN2011202947633U Expired - Fee Related CN202196177U (en) | 2010-10-18 | 2011-08-15 | Circuit monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (8) | CN102024302A (en) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024302A (en) * | 2010-10-18 | 2011-04-20 | 航天科工深圳（集团）有限公司 | Monitoring and early warning system for power transmission lines |
| CN102592406A (en) * | 2012-02-28 | 2012-07-18 | 深圳市赛格导航科技股份有限公司 | Fire process real-time reporting system and method |
| CN102610050A (en) * | 2012-03-08 | 2012-07-25 | 航天科工深圳（集团）有限公司 | Online monitoring system for protecting overhead power transmission lines against frost fire and implementing method thereof |
| CN102707281A (en) * | 2012-06-01 | 2012-10-03 | 湖南省湘电试研技术有限公司 | K-wave radar monitoring system for preventing overhead line from being destroyed by external force |
| CN103021123A (en) * | 2012-09-26 | 2013-04-03 | 河南省电力公司信阳供电公司 | Safety prompter for high-voltage transmission pole and tower |
| CN102901910B (en) * | 2012-11-02 | 2016-08-03 | 智眼天下通（北京）科技发展有限公司 | The monitoring method of high-voltage overhead line corridor and system thereof |
| CN103337118A (en) * | 2013-07-11 | 2013-10-02 | 国家电网公司 | Early warning system for preventing power transmission line from external force damage |
| CN103366516A (en) * | 2013-07-30 | 2013-10-23 | 陈勃闻 | Intelligent power transmission line monitoring system and method |
| CN104581030A (en) * | 2013-10-25 | 2015-04-29 | 山东科技大学 | Portable intelligent monitoring system |
| CN103944264A (en) * | 2014-04-22 | 2014-07-23 | 航天科工深圳（集团）有限公司 | Power distribution terminal intelligent monitoring device and method |
| CN103927856A (en) * | 2014-04-25 | 2014-07-16 | 国家电网公司 | Excessively-high object monitoring alarm for overhead electric line |
| CN104297806A (en) * | 2014-11-12 | 2015-01-21 | 武光杰 | Microwave sensing module |
| CN104484969A (en) * | 2014-12-10 | 2015-04-01 | 国家电网公司 | Method and device for monitoring power transmission line |
| CN104867277A (en) * | 2015-04-10 | 2015-08-26 | 国家电网公司 | Wind-solar complementation external force damage preventing alarm device |
| CN105389946B (en) * | 2015-12-18 | 2018-08-21 | 国家电网公司 | A kind of power circuit safe distance monitoring caution system |
| CN107181242A (en) * | 2017-05-19 | 2017-09-19 | 合肥尚强电气科技有限公司 | Protection device for power transmission and transformation line |
| CN107202569A (en) * | 2017-05-22 | 2017-09-26 | 南京铁道职业技术学院 | One kind detection, monitoring railway communication steel tower system |
| CN107290754A (en) * | 2017-07-14 | 2017-10-24 | 长春工程学院 | Transmission line wire is to building apart from monitoring system |
| CN108900813A (en) * | 2018-07-24 | 2018-11-27 | 安徽康能电气有限公司 | A kind of video monitoring device that intelligent power transmission line foreign object is identified with amiable shape |
| CN109142973A (en) * | 2018-08-29 | 2019-01-04 | 国网山东省电力公司龙口市供电公司 | A kind of distribution line failure monitoring device |
| CN108919293A (en) * | 2018-09-28 | 2018-11-30 | 广东电网有限责任公司 | Monitoring by Lidar device and electric pole |
| CN110718033A (en) * | 2019-10-12 | 2020-01-21 | 国网新疆电力有限公司喀什供电公司 | Monitoring and early warning system for preventing external damage of power transmission line and use method |
| CN110794462B (en) * | 2019-11-06 | 2021-08-03 | 广东博智林机器人有限公司 | Building site safety monitoring system and monitoring method and device thereof |
| CN112002090B (en) * | 2020-08-13 | 2022-02-18 | 杭州巨骐信息科技股份有限公司 | Intelligent management system suitable for return cable district section early warning |
| CN112180453A (en) * | 2020-09-24 | 2021-01-05 | 广东电网有限责任公司 | Distribution network overhead line detection system |
| CN112598864A (en) * | 2020-12-03 | 2021-04-02 | 国网福建省电力有限公司莆田供电公司 | High-precision laser radar active external damage prevention system for power transmission line |
| CN112802285A (en) * | 2020-12-31 | 2021-05-14 | 广东电网有限责任公司佛山供电局 | Safety protection system of power transmission and distribution tower |
| CN112837486A (en) * | 2021-01-20 | 2021-05-25 | 广东电网有限责任公司 | Cable damage prevention monitoring method and cable damage prevention monitoring device |
| CN113885034A (en) * | 2021-09-28 | 2022-01-04 | 广东电网有限责任公司 | Power distribution overhead line foreign matter monitoring device and method and storage medium |
| CN114220237B (en) * | 2021-12-10 | 2024-04-05 | 昆仑杰信（北京）科技有限责任公司 | Anti-theft anti-falling alarm method for security radar |
| CN117092641B (en) * | 2023-10-20 | 2023-12-15 | 江苏翰林正川工程技术有限公司 | Information fusion method based on radar ranging and image recognition |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2145441C1 (en) * | 1998-06-15 | 2000-02-10 | Научно-исследовательский и конструкторский институт радиоэлектронной техники | Method and device for radio wave detection of intruders |
| CN1527931A (en) * | 2001-07-21 | 2004-09-08 | - | Method and device for evaluating electromagnetic rediation |
| KR100820287B1 (en) * | 2007-03-16 | 2008-04-08 | 한국전력공사 | System and method for remote supervisory control of communication cable using plc |
| CN201122325Y (en) * | 2007-10-30 | 2008-09-24 | 宁四明 | Multifunctional outdoor tower frame anti-theft alarm device |
| CN201127087Y (en) * | 2007-08-22 | 2008-10-01 | 施国良 | Transmission line anti-damage intelligent prewarning wireless video monitoring system |
| CN201177852Y (en) * | 2008-04-15 | 2009-01-07 | 辽阳市金华电脑有限公司 | Iron tower anti-theft monitoring device for high-voltage power line |
| CN101419738A (en) * | 2008-09-28 | 2009-04-29 | 阳泉市宏星力达科技有限公司 | Anti-theft alarming device for power transmission line column material |
| CN201237823Y (en) * | 2008-07-18 | 2009-05-13 | 成都荣耀科技有限公司 | Real-time monitoring early-warning apparatus for power transmission line |
| CN101483567A (en) * | 2008-12-19 | 2009-07-15 | 西北电网有限公司 | High voltage electricity transmission line monitoring method based on wireless communication and optical communication |
| CN101661659A (en) * | 2009-09-18 | 2010-03-03 | 陕西科技大学 | High-voltage wire freezing and snowing alarm device and alarm method thereof |
| CN201479307U (en) * | 2009-09-09 | 2010-05-19 | 济南三鼎电气有限责任公司 | Infrared intelligent ball remote video transmission all-in-one machine |
| JP2010178298A (en) * | 2009-02-02 | 2010-08-12 | Japan Radio Co Ltd | Distribution apparatus, and distribution system utilizing the same |
| CN102001346A (en) * | 2010-10-13 | 2011-04-06 | 南京泰通科技有限公司 | Apparatus for detecting railway foreign intrusion |
| CN202167097U (en) * | 2010-10-18 | 2012-03-14 | 航天科工深圳（集团）有限公司 | Signal transmitter, signal receiver and overhead line monitoring system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4724381A (en) * | 1986-02-03 | 1988-02-09 | Niagara Mohawk Power Corporation | RF antenna for transmission line sensor |
| US5235861A (en) * | 1991-05-03 | 1993-08-17 | Seppa Tapani O | Power transmission line monitoring system |
| JPH11146523A (en) * | 1997-11-11 | 1999-05-28 | Ngk Insulators Ltd | Tree-monitoring system between transmission iron towers |
| CN100538759C (en) * | 2005-11-07 | 2009-09-09 | 国网北京电力建设研究院 | Aerial power transmission line on-line monitoring system and method |
| JP4587953B2 (en) * | 2005-12-28 | 2010-11-24 | 三菱電機株式会社 | Intruder detection system |
| CN101086513A (en) * | 2006-06-06 | 2007-12-12 | 三峡大学 | Transmission line real-time on-line monitoring method based on acoustic emission principle and the device |
| CN101476927B (en) * | 2008-12-16 | 2010-07-07 | 彭坚 | Wireless sensor for freezing state of high tension power line |
| CN101762239A (en) * | 2010-01-26 | 2010-06-30 | 中国气象局气象探测中心 | Device and method for measuring ice accumulation on electrical wire |
-
2010
- 2010-10-18 CN CN2010105187887A patent/CN102024302A/en active Pending
-
2011
- 2011-08-15 CN CN 201110232447 patent/CN102289902B/en active Active
- 2011-08-15 CN CN 201110232446 patent/CN102360082B/en not_active Expired - Fee Related
- 2011-08-15 CN CN2011202957419U patent/CN202196479U/en not_active Expired - Fee Related
- 2011-08-15 CN CN 201110232448 patent/CN102289903B/en active Active
- 2011-08-15 CN CN2011102324158A patent/CN102323589B/en not_active Expired - Fee Related
- 2011-08-15 CN CN2011202947760U patent/CN202167097U/en not_active Expired - Fee Related
- 2011-08-15 CN CN2011202947633U patent/CN202196177U/en not_active Expired - Fee Related
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2145441C1 (en) * | 1998-06-15 | 2000-02-10 | Научно-исследовательский и конструкторский институт радиоэлектронной техники | Method and device for radio wave detection of intruders |
| CN1527931A (en) * | 2001-07-21 | 2004-09-08 | - | Method and device for evaluating electromagnetic rediation |
| KR100820287B1 (en) * | 2007-03-16 | 2008-04-08 | 한국전력공사 | System and method for remote supervisory control of communication cable using plc |
| CN201127087Y (en) * | 2007-08-22 | 2008-10-01 | 施国良 | Transmission line anti-damage intelligent prewarning wireless video monitoring system |
| CN201122325Y (en) * | 2007-10-30 | 2008-09-24 | 宁四明 | Multifunctional outdoor tower frame anti-theft alarm device |
| CN201177852Y (en) * | 2008-04-15 | 2009-01-07 | 辽阳市金华电脑有限公司 | Iron tower anti-theft monitoring device for high-voltage power line |
| CN201237823Y (en) * | 2008-07-18 | 2009-05-13 | 成都荣耀科技有限公司 | Real-time monitoring early-warning apparatus for power transmission line |
| CN101419738A (en) * | 2008-09-28 | 2009-04-29 | 阳泉市宏星力达科技有限公司 | Anti-theft alarming device for power transmission line column material |
| CN101483567A (en) * | 2008-12-19 | 2009-07-15 | 西北电网有限公司 | High voltage electricity transmission line monitoring method based on wireless communication and optical communication |
| JP2010178298A (en) * | 2009-02-02 | 2010-08-12 | Japan Radio Co Ltd | Distribution apparatus, and distribution system utilizing the same |
| CN201479307U (en) * | 2009-09-09 | 2010-05-19 | 济南三鼎电气有限责任公司 | Infrared intelligent ball remote video transmission all-in-one machine |
| CN101661659A (en) * | 2009-09-18 | 2010-03-03 | 陕西科技大学 | High-voltage wire freezing and snowing alarm device and alarm method thereof |
| CN102001346A (en) * | 2010-10-13 | 2011-04-06 | 南京泰通科技有限公司 | Apparatus for detecting railway foreign intrusion |
| CN202167097U (en) * | 2010-10-18 | 2012-03-14 | 航天科工深圳（集团）有限公司 | Signal transmitter, signal receiver and overhead line monitoring system |
| CN202196479U (en) * | 2010-10-18 | 2012-04-18 | 航天科工深圳（集团）有限公司 | System for monitoring external damage to overhead transmission line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102360082A (en) | 2012-02-22 |
| CN102289903B (en) | 2012-12-12 |
| CN102289903A (en) | 2011-12-21 |
| CN202196177U (en) | 2012-04-18 |
| CN202167097U (en) | 2012-03-14 |
| CN102289902A (en) | 2011-12-21 |
| CN102323589B (en) | 2012-11-21 |
| CN202196479U (en) | 2012-04-18 |
| CN102024302A (en) | 2011-04-20 |
| CN102289902B (en) | 2012-12-12 |
| CN102323589A (en) | 2012-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102360082B (en) | Monitoring system for power transmission line | |
| CN203535734U (en) | Monitoring and early warning system for preventing power transmission line from intrusion of external force | |
| CN103337118A (en) | Early warning system for preventing power transmission line from external force damage | |
| US20180040209A1 (en) | Information communication technology-based unmanned alert system | |
| CN206629277U (en) | A kind of WSN monitoring systems | |
| CN203444602U (en) | Perimeter intelligent security and protection system | |
| CN103075046A (en) | Smart safeguard fence | |
| CN104574737A (en) | Comprehensive boundary security system | |
| KR101909024B1 (en) | Perimeter Intrusion Detection System using multifunctional complex fence sensor | |
| CN100470595C (en) | Circumference all-weather defence system | |
| CN111596293A (en) | Radar security and protection integrated machine and monitoring method thereof | |
| CN104484969A (en) | Method and device for monitoring power transmission line | |
| CN201796483U (en) | Intelligent monitor and alarm system for home security and protection | |
| CN205563928U (en) | Outer broken integrated early warning system is prevented to transmission line intelligence based on pattern recognition | |
| CN105551179A (en) | Remote video monitoring and early-warning system of high-tension power transmission line | |
| CN213844302U (en) | Coupling monitoring system of laser radar, laser lamp and monitoring camera | |
| CN203084848U (en) | Tower antitheft monitoring system | |
| CN204360494U (en) | A kind of circumference comprehensive precaution system | |
| CN201429894Y (en) | Alarm apparatus | |
| CN208460141U (en) | Forbidden zone intrusion alarm system | |
| CN202995982U (en) | Power grid anti-outside force damage integrated monitoring and early warning system | |
| CN103745543A (en) | A high-voltage pulse electronic fence | |
| CN105654659A (en) | Mode recognition based smart integrated pre-warning system capable of preventing outside breaking and applied to electric transmission line | |
| CN203366473U (en) | Laser grating guard net | |
| CN213399890U (en) | Intelligent perimeter precaution video monitoring alarm device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20200815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |