CN203368489U - Real-time monitoring device for leakage cable/antenna feeder - Google Patents
Real-time monitoring device for leakage cable/antenna feeder Download PDFInfo
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- CN203368489U CN203368489U CN2013202898104U CN201320289810U CN203368489U CN 203368489 U CN203368489 U CN 203368489U CN 2013202898104 U CN2013202898104 U CN 2013202898104U CN 201320289810 U CN201320289810 U CN 201320289810U CN 203368489 U CN203368489 U CN 203368489U
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Abstract
The utility model provides a real-time monitoring device for a leakage cable/an antenna feeder. The real-time monitoring device comprises a power supply module, an SPDT module, an electromagnetic wave synthesis circuit, an electromagnetic wave reception and detection circuit, a display module and a control circuit, wherein an electromagnetic wave is generated by the electromagnetic wave synthesis circuit, an electromagnetic wave signal is output to the antenna feeder or the leakage cable by selecting an output port by the two-channel radiofrequency port of the SPDT module, when the electromagnetic wave is reflected while encountering a fault point, the electromagnetic wave reception and detection circuit receives the electromagnetic wave, detects a signal intensity, and sends data to the control circuit, the control circuit judges a fault level and a position according to the detected data, and sends the result to an alarm display lamp, and the fault position and the fault level are sent to an upper computer of a network management centre via a network cable interface and displayed for working personnel. The real-time monitoring device provided by the utility model has a fault point location function, a real-time online monitoring function, a double-channel monitoring function, and a monitoring frequency adjusting function, thus providing convenience for fault monitoring for the leakage cable or the antenna feeder.
Description
Technical field
The utility model relates to reveals cable and antenna feeder monitoring field, specifically a kind of leakage cable/antenna feeder real-time monitoring device.
Background technology
Current antenna feeder detects with the leakage cable the two kinds of modes that mainly contain:
A kind of is the tour of carrying out antenna feeder or leaking cable by the hand-held checkout equipment of personnel, and this method is consuming time large, and the manpower workload is high, has been not suitable for large-scale railway and has leaked cable/antenna feeder testing.
The equipment that another kind of antenna feeder in real time leaks cable is called master-slave mode antenna feeder/leakage cable real-time monitoring system for state, master-slave mode antenna feeder/leakage cable status real time monitor device produces the characteristic of attenuation during by antenna feeder/leakage cable with transmission range according to signal, at one section antenna feeder/leakage cable place, main process equipment (radio-frequency (RF) receiving and transmission module) is installed, the carrier signal that main process equipment sends certain frequency is coupled on antenna feeder/leakage cable and transmits by the signal access device, antenna feeder/leakage cable is attenuation with the prolongation of transmission range, at antenna feeder/leakage cable end, install from machine equipment, intensity from machine testing reception carrier signal, slave will receive the carrier signal strength information exchange and cross signal access device reverse transfer and return main process equipment, if main process equipment is received the data of the reception carrier signal strength signal intensity of slave at the appointed time, and data and theoretical value are compared, if very approaching with theoretical value, illustrate that Lou cable is excellent, if deviation has more illustrated the joint pine, send alarm signal, information exchange is crossed to the transmission medium back informations such as optical fiber to network management center, if also not having signal return overtime may be that field control system has been broken or fault has appearred in antenna feeder/leakage cable, now forwards webmaster sends alarm signal.Whether this method requires antenna feeder/leakages cable two ends that principal and subordinate's monitoring equipment is arranged, and complexity is installed, and can only have problem to provide alarm and particular location that can not orientation problem to certain section antenna feeder/leakage cable, to later maintenance work, has brought suitable difficulty.
The utility model content
The utility model provides a kind of can carry out the pinpoint real-time monitoring device of fault to antenna feeder or leakage cable.
This device comprises power module, SPDT module, electromagnetic wave combiner circuit, electromagnetic wave reception and testing circuit, display module and control circuit, and wherein power module is connected with testing circuit, display module, control circuit with electromagnetic wave combiner circuit, electromagnetic wave reception respectively; Control circuit is connected with testing circuit, SPDT module with display module, electromagnetic wave combiner circuit, electromagnetic wave reception respectively; The electromagnetic wave combiner circuit is connected with testing circuit, control circuit, SPDT module respectively at the electromagnetic wave reception; The electromagnetic wave reception is connected with control circuit with testing circuit.
Further improve, the SPDT module comprises binary channels prevention at radio-frequency port and the cable interface of a single-pole double throw, and the binary channels prevention at radio-frequency port is connected with antenna feeder or leakage cable, and cable interface is connected with the host computer of network management center.
Further improve, described display module comprises operation, alarm, three display lamps of high severity alarm.
The beneficial effects of the utility model are:
1, there is localization of fault (DTF) function---the position can quick positioning question occurred, positioning precision reaches ± 5 meters in, improved the efficiency that solves fault.
2, there is the real time on-line monitoring function---solved the people mode of patrolling and regularly leaked cable and detect the manpower and the waste of financial resources caused, accordingly to the also raising greatly of efficiency of fault discovery and solution.
3, thering is the binary channels monitoring function---monitoring equipment carries out the monitoring of binary channels poll, can make a checkout equipment cable be leaked in two ends simultaneously and be monitored simultaneously, has saved expense and the difficulty of installation and maintenance.
4, the frequency that monitoring is used can arrange, and is applicable to the communication equipment of the GSM-R of multiple working frequency range simultaneously.
The accompanying drawing explanation
Fig. 1 is the utility model operational module figure.
Fig. 2 is the utility model enclosure interface and panel designs figure.
Fig. 3 is that the utility model is to antenna feeder and the monitoring scheme figure that leaks cable.
Embodiment
Fig. 1 is the utility model operational module figure, its method of work is as follows: the electromagnetic wave combiner circuit is by binary channels prevention at radio-frequency port 4 emitting electromagnetic waves, when electromagnetic wave runs into fault point, watch-dog records the time of delay that echo returns, equal propagation velocity of electromagnetic wave according to distance X and be multiplied by the rate factor time of delay of medium at that time, to change the position that echo occurs time of delay into, it is the positional information of fault point, then standing-wave ratio is sent to network management unit, if the standing-wave ratio size is less than or equal to 1.4, thinks and leak the cable normal operation; The standing-wave ratio size is greater than 1.4 and be less than 1.6, thinks minor alarm, may occur that joint becomes flexible problem, but this looseningly temporarily can not propagate and produce larger impact the signal of GSM-R; If the standing-wave ratio size is greater than 1.6, think joint disconnection or antenna feeder or leak cable self catastrophe failure, provide high severity alarm.Fault level sends to the display lamp 3 of display module by the SPDT module, abort situation sends to host computer by cable interface 2 and is shown to the staff.Power module is that electromagnetic wave combiner circuit, electromagnetic wave reception are connected power supply with display module with testing circuit.
Fig. 2 is the utility model enclosure interface and panel designs figure, and operation is arranged on panel, alarm, and three display lamps 3 of high severity alarm, there is the binary channels prevention at radio-frequency port 4 that comprises A and two passages of B in left side, and there are cable interface 2 and power interface 1 in right side.
Fig. 3 is that the utility model is to antenna feeder and the monitoring scheme figure that leaks cable.This device can dock two sections by radio frequency interface and leak cable, leaks cable to two sections by polling mode simultaneously and is monitored; Also can connect one section antenna feeder by a radio frequency interface, another radio frequency interface connects one section leakage cable and carries out the poll monitoring; Equally, radio frequency interface also can dock two sections antenna feeders.
Base station or repeater output signal, through power splitter output two paths of signals, be connected with antenna feeder or leakage cable.When cable or antenna feeder are leaked in monitoring, the device of the present utility model signal access device of need to connecting, the signal coupling that this device is launched is to leaking on cable or antenna feeder.Leak cable/antenna feeder real-time monitoring device 1 monitoring antenna feeder 1 and leak cable 1; Leaking cable/antenna feeder real-time monitoring device 2 monitorings leaks cable 2 and leaks cable 3; Leak cable/antenna feeder real-time monitoring device 3 monitoring antenna feeders 2; Leak cable/antenna feeder real-time monitoring device 4 monitoring antenna feeder 3 and antenna feeders 4.This device is connected with the pass-through channel of repeater, can be uploaded to network management center through repeater by cable interface.
The concrete application approach of the utility model is a lot; the above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvement, these improvement also should be considered as protection range of the present utility model.
Claims (3)
1. one kind leaks cable/antenna feeder real-time monitoring device, it is characterized in that: comprise power module, SPDT module, electromagnetic wave combiner circuit, electromagnetic wave reception and testing circuit, display module and control circuit, wherein power module is connected with testing circuit, display module, control circuit with electromagnetic wave combiner circuit, electromagnetic wave reception respectively; Control circuit is connected with testing circuit, SPDT module with display module, electromagnetic wave combiner circuit, electromagnetic wave reception respectively; The electromagnetic wave combiner circuit is connected with testing circuit, control circuit, SPDT module respectively at the electromagnetic wave reception; The electromagnetic wave reception is connected with control circuit with testing circuit.
2. leakage cable according to claim 1/antenna feeder real-time monitoring device, it is characterized in that: described SPDT module comprises binary channels prevention at radio-frequency port (4) and the cable interface (2) of a single-pole double throw, binary channels prevention at radio-frequency port (4) is connected with antenna feeder or leakage cable, and cable interface (2) is connected with the host computer of network management center.
3. leakage cable according to claim 1/antenna feeder real-time monitoring device, it is characterized in that: described display module comprises operation, alarm, three display lamps of high severity alarm (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202898104U CN203368489U (en) | 2013-05-24 | 2013-05-24 | Real-time monitoring device for leakage cable/antenna feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202898104U CN203368489U (en) | 2013-05-24 | 2013-05-24 | Real-time monitoring device for leakage cable/antenna feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203368489U true CN203368489U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202898104U Expired - Fee Related CN203368489U (en) | 2013-05-24 | 2013-05-24 | Real-time monitoring device for leakage cable/antenna feeder |
Country Status (1)
| Country | Link |
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| CN (1) | CN203368489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344880A (en) * | 2013-05-24 | 2013-10-09 | 南京泰通科技有限公司 | Leaky cable/antenna feeder real-time monitoring apparatus and working method thereof |
-
2013
- 2013-05-24 CN CN2013202898104U patent/CN203368489U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344880A (en) * | 2013-05-24 | 2013-10-09 | 南京泰通科技有限公司 | Leaky cable/antenna feeder real-time monitoring apparatus and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NANJING TICOM TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NANJING TAITONG S + T CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Fei Lu Yuhua Economic Development Zone of Nanjing City, Jiangsu Province, No. 210000 12-8 Patentee after: NANJING TICOM TECH CO., LTD. Address before: 210039, 35, Hui Feng Avenue, Yuhuatai Economic Development Zone, Nanjing, Jiangsu Patentee before: Nanjing Taitong S & T Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20200524 |