CN211505752U - Leakage cable monitor and leakage cable monitoring system - Google Patents
Leakage cable monitor and leakage cable monitoring system Download PDFInfo
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- CN211505752U CN211505752U CN201921962714.5U CN201921962714U CN211505752U CN 211505752 U CN211505752 U CN 211505752U CN 201921962714 U CN201921962714 U CN 201921962714U CN 211505752 U CN211505752 U CN 211505752U
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Abstract
The utility model provides a leaky cable monitor and leaky cable monitoring system, the leaky cable monitor includes: the box body is provided with at least two leaky cable access ports and is used for connecting leaky cables; the signal emitter is arranged in the box body and used for emitting a test signal to a leaky cable of the access port; the signal receiver is arranged in the box body and used for receiving the returned test signal from the leaky cable; the monitor is arranged in the box body, is connected with the signal receiver and monitors and processes the returned test signal; the wireless communication module is connected with the monitor and a leaky cable monitoring server and is used for receiving control signals from the leaky cable monitoring server and transmitting test signals monitored and processed by the monitor to the leaky cable monitoring server; and the power supply module is used for supplying power for the signal transmitter, the signal receiver, the monitor and the wireless communication module. The utility model discloses can detect multichannel leaky cable transmission line simultaneously, can carry out the many-sided management maintenance operation of equipment management, information acquisition and so on through the network.
Description
Technical Field
The utility model relates to a circuit cable technical field especially relates to the controlgear technical field of circuit cable, specifically is a leaky cable monitor and leaky cable monitoring system.
Background
The Leaky Cable is called Leaky Coaxial Cable for short (leakage Coaxial Cable), usually called Leaky Cable or Leaky Cable for short, and its structure is basically the same as that of common Coaxial Cable, and it is composed of inner conductor, insulating medium, outer conductor with periodic slot and Cable sheath. Electromagnetic waves are longitudinally transmitted in the leaky cable and are radiated to the outside through the slotted holes, and the outside electromagnetic field can be induced into the leaky cable through the slotted holes and is transmitted to the receiving end. The leaky coaxial cable has signal transmission function and antenna function, and can uniformly radiate controlled electromagnetic wave energy along a line and receive the electromagnetic wave energy by controlling the opening of the conductor, thereby realizing the coverage of an electromagnetic field blind area and achieving the purpose of smooth mobile communication. At present, the frequency band of the leaky cable covers more than 450MHz-2GHz, and the leaky cable is suitable for various existing wireless communication systems, and application occasions comprise subways, railway tunnels, highway tunnels and the like with limited wireless transmission.
Because the area that the leaky cable circuit covered is extensive, the circuit is long, and the joint node is many, consequently can take place the trouble of multiple different grade type in the in-service use, influence the normal transmission of signal and cover. The whole leaky cable line is patrolled by manpower, the efficiency is low, the workload is large, the time is limited, the effect is general, therefore, the leaky cable monitoring unit is developed to realize the preliminary automation of patrolling the leaky cable line, the leaky cable monitoring equipment transmits a test signal and is combined with a working signal through a coupler, the transmission enters the leaky cable, the signal reflected back in the leaky cable is received at the same time, the related performance of the leaky cable is monitored through an algorithm, the alarm is triggered when the level of the received reflected signal rises to a set limit value, the workload and the working difficulty of manual patrolling can be reduced, and a maintainer only needs to do corresponding processing to finish the operation and maintenance work of the leaky cable line when the alarm appears.
The traditional leaky cable monitoring equipment adopts a single-port testing mode, a communication network also adopts a master-slave mode, the application range is small, and the requirements of large-range network data transmission and networking are difficult to adapt. The method has the advantages of complex equipment operation, higher price, complex maintenance and management, poorer expansibility, more false alarms, large fault positioning error, weak adaptability to various networking structures with large range and wide regions and data transmission requirements, limited transmission distance and poorer popularization.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a leaky cable monitor and leaky cable monitoring system for solve among the prior art leaky cable monitoring facilities and be difficult to adapt to the problem of network data transmission and network deployment demand on a large scale.
An embodiment of the utility model provides a leaky cable monitor, include: the box body is provided with at least two leaky cable access ports and is used for connecting leaky cables; the signal emitter is arranged in the box body, is connected with the access port and is used for emitting a test signal to a leaky cable of the access port; the signal receiver is arranged in the box body, is connected with the access port and is used for receiving the returned test signal from the leaky cable; the monitor is arranged in the box body, is connected with the signal receiver and monitors and processes the returned test signal; the wireless communication module is connected with the monitor and a leaky cable monitoring server and is used for receiving control signals from the leaky cable monitoring server and transmitting test signals monitored and processed by the monitor to the leaky cable monitoring server; a power module for supplying power to the signal transmitter, the signal receiver, the monitor and the wireless communication module.
In an embodiment of the present invention, the number of the access ports is 4-6.
In an embodiment of the present invention, the box body is provided with a plurality of indicator lights for indicating the operating status of the signal transmitter, the operating status of the signal receiver, the operating status of the monitor and the operating status of the wireless communication module, respectively.
In an embodiment of the present invention, the wireless communication module employs an optical communication module.
In an embodiment of the present invention, the optical communication module employs an embedded industrial-level processor with an embedded TCP/IP protocol stack.
In an embodiment of the present invention, the monitor includes a signal processing circuit connected to the signal receiver for processing the test signal received and returned from the leaky cable.
In an embodiment of the present invention, the monitor further includes a fault locator connected to the signal processing circuit and used for locating the leakage cable fault according to a processing result signal of the signal processing circuit.
In an embodiment of the present invention, the signal processing circuit includes a signal conversion circuit for converting the processing result signal of the signal processing circuit into an IP signal, and transmitting the IP signal to the wireless communication module.
In an embodiment of the present invention, the box body is a steel plate box body.
In an embodiment of the present invention, the monitor and the power module are disposed in the box or outside the box.
The embodiment of the utility model provides a leaky cable monitoring system is still provided, include as above leaky cable monitor and with leaky cable monitor carries out wireless communication connection's leaky cable monitoring server.
As described above, the utility model discloses a leaky cable monitor and leaky cable monitoring system has following beneficial effect:
1. the utility model discloses a multiport's monitoring mode can detect the multichannel and leak cable transmission line simultaneously, can all be 24 hours incessant real-time supervision that carries on to the multiple parameter in the circuit, has avoided the data transmission demand that the complicated data transmission equipment of user's extra purchase was accomplished monitoring center and job site, and the discovery problem reports immediately and handles, and work efficiency is high, excellent in use effect, and it is very good to the monitoring maintenance effect of leaking the cable circuit.
2. The utility model discloses novel structure, economical and practical has higher market value and extensive practicality.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a medium leakage cable monitor according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the medium leakage cable monitor according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a schematic architecture of a medium leakage cable monitoring system according to an embodiment of the present invention.
Fig. 4 is a communication diagram of the medium leakage cable monitoring system according to an embodiment of the present invention.
Fig. 5 shows the working process schematic diagram of the middle leaky cable monitoring system of the utility model.
Description of the element reference numerals
10 leaky cable monitoring system
100 leakage cable monitor
110 case
120 access port
130 signal emitter
140 signal receiver
150 monitor
151 signal processing circuit
152 fault locator
160 wireless communication module
170 power supply module
200 leakage cable monitoring server
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
Please refer to fig. 1 to 5. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The embodiment aims to provide a leaky cable monitor, which is used for solving the problem that leaky cable monitoring equipment in the prior art is difficult to adapt to the requirements of large-scale network data transmission and networking.
The principles and embodiments of the leakage cable monitor of the present invention will be described in detail below to enable those skilled in the art to understand the leakage cable monitor without the need for creative work.
As shown in fig. 1, the present embodiment provides a leaky cable monitor 100, said leaky cable monitor 100 comprising: the wireless communication device comprises a box body 110, a signal transmitter 130, a signal receiver 140, a monitor 150, a wireless communication module 160 and a power supply module 170.
The leaky cable monitor 100 according to the embodiment is explained in detail below.
In this embodiment, the box 110 has at least two leaky cable access ports 120 for connecting leaky cables.
In this embodiment, there are a plurality of access ports 120 for the leaky cable, and the number of the access ports 120 is 4 to 6.
For example, as shown in fig. 1 and 2, there are 4 interface ports. The leaky cable monitor 100 of this embodiment adopts the monitoring mode of 4 ports, can 4 leaky cables carry out real-time state monitoring and fault location simultaneously, and the leaky cable monitor 100 of this embodiment sends four ways test signal to 4 ports concurrently, can carry out state monitoring and information processing simultaneously to the dual network uplink and downlink link of leaky cable transmission line, has improved monitoring efficiency, has reduced the design and construction degree of difficulty and construction cost.
In this embodiment, the box body 110 is preferably but not limited to a steel plate box body 110, for example, the box body 110 adopts a cast aluminum housing, which effectively shields external interference.
In addition, in this embodiment, the box body 110 is provided with a plurality of indicator lights for respectively indicating the operating status of the signal transmitter 130, the operating status of the signal receiver 140, the operating status of the monitor, and the operating status of the wireless communication module 160. The plurality of indicator lamps are mainly used for visually indicating the power supply state, the network communication state and the working state of the equipment in color, so that the staff can conveniently operate the equipment.
In this embodiment, the signal transmitter 130 is disposed in the box body 110, connected to the access port 120, and configured to transmit a test signal to a leaky cable of the access port 120; the signal receiver 140 is disposed in the box 110, connected to the access port 120, and configured to receive a returned test signal from a leaky cable.
In this embodiment, the monitor 150 is disposed in the box 110, connected to the signal receiver 140, and monitors and processes the returned test signal.
Specifically, in the present embodiment, as shown in fig. 2, in the present embodiment, the monitor 150 includes a signal processing circuit 151 connected to the signal receiver 140 for processing the test signal received from the leaky cable; the monitor 150 further includes a fault locator 152 connected to the signal processing circuit 151 for locating a leaky cable fault according to a processing result signal of the signal processing circuit 151.
The signal processing circuit 151 includes an acquisition circuit, a storage circuit, a digital filter circuit, a cursor movement circuit, a distance calculation circuit, a waveform comparison circuit, and a waveform ratio expansion circuit, which are used for performing signal processing on a test signal received and returned from a leaky cable.
The signal processing circuit 151 for processing the test signal received from the leaky cable is already commonly used in the conventional cable fault tester, and is not described herein again.
The distance between the test transmit pulse and the reflected pulse of the fault locator 152 is the distance from the test end to the fault point. The fault locator 152 may locate the missing cable fault by using a common line fault location method such as a low-voltage pulse method, a high-voltage bridge method, an audio path method, an impulse pulse method, an acousto-magnetic synchronization method, a step voltage location method, an electromagnetic predetermined point method, an audio location method, an audio cable identification method, and an impulse cable identification method. Such methods are well known to those skilled in the art and will not be described in detail herein.
In this embodiment, the wireless communication module 160 is connected to the monitor 150 and a leaky cable monitoring server 200, and is configured to receive a control signal from the leaky cable monitoring server 200 and transmit a test signal monitored and processed by the monitor 150 to the leaky cable monitoring server 200.
In this embodiment, the wireless communication module 160 is an optical communication module.
The optical communication module is in communication with the leaky cable monitoring server 200, receives control information transmitted by the leaky cable monitoring server 200, and uploads leaky cable data and fault information tested on site to the leaky cable monitoring server 200 in real time for operation and maintenance personnel to handle.
In this embodiment, the wireless communication module 160 is a terminal device that uses an industrial embedded processor, embeds a TCP/IP protocol stack, and is specially used to convert collected test data into IP data and transmit the IP data through an optical fiber communication network. The wireless communication module 160 collects fault detection data of the leaky cable transmission line and transmits the fault detection data to the leaky cable monitoring server 200 (remote server) through a network, and meanwhile, the wireless communication module can receive control information of the remote server to control the device. The leaky cable monitor 100 can transmit data information acquired by terminal information acquisition equipment on different sites through a widely distributed network, and is suitable for occasions of long-distance lines, distributed networking and centralized control.
The leaky cable monitor 100 in this embodiment is a standard TCP/IP protocol based network communication device that combines leaky line testing with optical fiber network communication techniques.
In this embodiment, the power module 170 is used for supplying power to the signal transmitter 130, the signal receiver 140, the monitor 150 and the wireless communication module 160.
In this embodiment, the power module 170 preferably uses an ac 220V power source. And power supplies such as a storage battery and a solar panel can also be configured.
In this embodiment, the monitor 150 and the power module 170 are disposed in the box body 110 or disposed outside the box body 110.
From the above, the leakage cable monitor 100 of the present embodiment has a highly integrated monitoring mode. The leakage cable monitor 100 of the present embodiment integrates a plurality of existing functional modules, one device integrates a plurality of monitoring parameters, and the external link is simplified. The leaky cable monitor 100 of this embodiment can detect the on-off, water inflow, deformation, looseness, oxidation and other states of the position of the jumper, the antenna, the feeder, and the water inlet, and can detect the operation parameters of the whole line, including the voltage standing wave ratio, the link loss, and the fault position point, and can detect the operation state, the network state, and the output power of the leaky cable monitor 100 of this embodiment, thereby really achieving the purposes of one machine and multiple purposes, and realizing the intelligent, integrated, and intensive monitoring requirements of the leaky cable line.
The leaky cable monitor 100 of the present embodiment supports remote parameter configuration. The leakage cable monitor 100 of the embodiment can remotely modify information such as an IP address, a port number, test parameters and the like through a network, and a user can configure parameters of equipment under the condition of being far away from an operation field, so that the defects of complex configuration and complex operation of the traditional technology are well overcome.
The leakage cable monitor 100 of the present embodiment employs a real-time online monitoring mode. When a leaky cable line for signal transmission is detected, the leaky cable monitor 100 of this embodiment adopts a working mode of 24-hour uninterrupted online monitoring and real-time reporting, and when various faults such as on-off, water inflow, looseness, connector damage and the like occur in the leaky cable line, the leaky cable monitor 100 of this embodiment can immediately find and upload fault data to a server so that operation and maintenance personnel can perform corresponding processing in time.
As shown in fig. 3, the present embodiment further provides a leaky cable monitoring system 10, where the leaky cable monitoring system 10 includes the leaky cable monitor 100 as described above and a leaky cable monitoring server 200 connected to the leaky cable monitor 100 in a wireless communication manner. The above-mentioned leakage cable monitor 100 has been described in detail, and is not described herein again.
As shown in fig. 4 and 5, the leakage cable monitoring system 10 of the present embodiment mainly works as follows:
the leaky cable monitor 100 is powered on and the system is started. After the system is started, a test signal is transmitted to the transmission leaky cable line, then the test signal returned from the leaky cable line is received, and the received test signal is analyzed and processed and positioned. And establishing connection with a remote leaky cable monitoring server 200, and transmitting the collected leaky cable monitoring data to the remote server in real time. And automatically reestablishing the connection network to continue data transmission if the data transmission is interrupted.
The leaky cable monitoring system 10 of the embodiment has the following beneficial effects:
1) the leakage cable monitoring system 10 of the embodiment transmits field monitoring data based on a standard Ethernet communication technology, only one leakage cable monitor 100 is needed in each operation field, the field collected data can be uploaded to a server, the requirement that a user additionally purchases complex data transmission equipment to complete data transmission of a monitoring center and the operation field is avoided, a communication network does not need to be additionally erected, the existing network is utilized, construction and installation are simple and rapid, and the leakage cable monitoring system is economical and convenient to use.
2) The good use experience of a user is enhanced, the uploading of field data and the control of equipment can be completed only by one leaky cable monitor 100, the user does not need to face complex data transmission equipment, and the device is simple to use and convenient to operate.
3) The leaky cable monitoring system 10 of the present embodiment facilitates management and maintenance features. Because a communication technology based on a TCP/IP protocol is adopted, each leakage cable monitor 100 has an independent address, and can perform management and maintenance operations in various aspects such as equipment management, information acquisition and the like through a network, so that the monitoring and maintenance of a user are very convenient.
4) The reliability of the leaky cable monitoring system 10 of the embodiment is very high. Because the leakage cable monitor 100 adopts an industrial-grade embedded processor, the digital device has long service life, high stability and strong anti-interference capability, the leakage cable monitor 100 has very high reliability and can effectively ensure the smooth operation of bidirectional data transmission tasks.
5) The working efficiency is high, and the use effect is good. The leaky cable monitor 100 adopts a multi-port monitoring mode, can simultaneously detect four leaky cable transmission lines, can continuously monitor various parameters in the lines in real time for 24 hours, finds problems, immediately reports and processes the problems, has high working efficiency and good use effect, and has very good monitoring and maintenance effects on the leaky cable lines.
To sum up, the utility model discloses a multiport's monitoring mode can detect multichannel leaky cable transmission line simultaneously, can all carry out real-time supervision 24 hours incessantly to the multiple parameter in the circuit, has avoided the user to purchase the data transmission demand that complicated data transmission equipment accomplishes monitoring center and operation scene additionally, finds the problem, reports the processing immediately, and work efficiency is high, and excellent in use effect is maintained the monitoring of leaky cable circuit very well; the utility model discloses novel structure, economical and practical has higher market value and extensive practicality. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.
Claims (10)
1. A leaky cable monitor, comprising: the method comprises the following steps:
the box body is provided with at least two leaky cable access ports and is used for connecting leaky cables;
the signal emitter is arranged in the box body, is connected with the access port and is used for emitting a test signal to a leaky cable of the access port;
the signal receiver is arranged in the box body, is connected with the access port and is used for receiving the returned test signal from the leaky cable;
the monitor is arranged in the box body, is connected with the signal receiver and monitors and processes the returned test signal;
the wireless communication module is connected with the monitor and a leaky cable monitoring server and is used for receiving control signals from the leaky cable monitoring server and transmitting test signals monitored and processed by the monitor to the leaky cable monitoring server;
a power module for supplying power to the signal transmitter, the signal receiver, the monitor and the wireless communication module.
2. A leaky cable monitor as claimed in claim 1, wherein: the number of the access ports is 4-6.
3. A leaky cable monitor as claimed in claim 1, wherein: the box body is provided with a plurality of indicator lamps which are used for indicating the working state of the signal transmitter, the working state of the signal receiver, the working state of the monitor and the working state of the wireless communication module respectively.
4. A leaky cable monitor as claimed in claim 1, wherein: the wireless communication module adopts an optical communication module.
5. A leaky cable monitor as claimed in claim 4, wherein: the optical communication module adopts an industrial embedded processor embedded with a TCP/IP protocol stack.
6. A leaky cable monitor as claimed in claim 1, wherein: the monitor includes a signal processing circuit coupled to the signal receiver for processing the test signal received back from the leaky cable.
7. A leaky cable monitor as claimed in claim 6, wherein: the monitor also comprises a fault locator which is connected with the signal processing circuit and used for locating the leakage cable fault according to the processing result signal of the signal processing circuit.
8. A leaky cable monitor as claimed in claim 1, wherein: the box body is a steel plate box body.
9. A leaky cable monitor as claimed in claim 1, wherein: the monitor and the power supply module are arranged in the box body or outside the box body.
10. A leaky cable monitoring system is characterized in that: a leaky cable monitor comprising a leaky cable monitor as claimed in any one of claims 1 to 9 and a leaky cable monitoring server in wireless communication with said leaky cable monitor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921962714.5U CN211505752U (en) | 2019-11-13 | 2019-11-13 | Leakage cable monitor and leakage cable monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921962714.5U CN211505752U (en) | 2019-11-13 | 2019-11-13 | Leakage cable monitor and leakage cable monitoring system |
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| CN211505752U true CN211505752U (en) | 2020-09-15 |
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| CN201921962714.5U Active CN211505752U (en) | 2019-11-13 | 2019-11-13 | Leakage cable monitor and leakage cable monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113504416A (en) * | 2021-06-11 | 2021-10-15 | 中国人民解放军海军工程大学 | Leakage cable testing system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113504416A (en) * | 2021-06-11 | 2021-10-15 | 中国人民解放军海军工程大学 | Leakage cable testing system and method |
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