CN203368464U - On-line monitoring unit for signal cable - Google Patents
On-line monitoring unit for signal cable Download PDFInfo
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- CN203368464U CN203368464U CN2013203716654U CN201320371665U CN203368464U CN 203368464 U CN203368464 U CN 203368464U CN 2013203716654 U CN2013203716654 U CN 2013203716654U CN 201320371665 U CN201320371665 U CN 201320371665U CN 203368464 U CN203368464 U CN 203368464U
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Abstract
The utility model provides an on-line monitoring unit for a signal cable, which is composed of the following components: a CPU module, a DSP module, an audio transmission module, an audio receiving module, an AD analog-to-digital conversion module and an audio transceiving insulating module, wherein the DSP module is successively connected with the audio transmission module, the audio transceiver insulating module, the audio receiving module and the AD analog-to-digital conversion module. The AD analog-to-digital conversion module is connected with the DSP module. One end of the CPU module is connected with the DSP module, and the other end is connected with an upper host computer. The audio transceiving insulating module is connected with two signal cables respectively through a capacitor C1 and a capacitor C2. The on-line monitoring unit can perform real-time monitoring on the performance of the line and can perform line performance test without equipment stoppage. Furthermore the on-line monitoring unit has small workload, and can perform test on large amount of lines without window points.
Description
Technical field
The utility model relates to communication technical field, specifically a kind of signal cable on-line monitoring unit.
Background technology
Railway has entered the high ferro epoch, and the reliability of signal system is more and more important, and performance quality and the signal system reliability on line road, station, station have a huge impact traffic safety.The fault on the on line of standing road (broken string, swinging cross) all can have influence on opening of signal, such as: inaccessible cable, stand and join circuit, the fault of the circuits such as track circuit all can have influence on signal and open, and produces serious driving accident, so effective monitoring is carried out on line road, station, extremely is necessary.
Existing monitoring means is that the various performances to circuit in the point of skylight are tested.There is following shortcoming in this method:
(1) performance of circuit can't be accomplished real-time monitoring.Equipment in use need to be stopped using and just can be carried out the link performance test.
(2) workload is large, needs the skylight point, because the skylight point time is shorter, can't be tested a large amount of circuits.
The utility model content
The utility model provides a kind of signal cable on-line monitoring unit, can carry out effective Real-Time Monitoring on line road, station to railway.
This signal cable on-line monitoring unit is comprised of CPU module, DSP module, audio frequency sending module, audio frequency receiver module, AD analog-to-digital conversion module, audio frequency transmitting-receiving isolation module, wherein the DSP module is connected with audio frequency sending module, audio frequency transmitting-receiving isolation module, audio frequency receiver module, AD analog-to-digital conversion module in turn, and the AD analog-to-digital conversion module connects back the DSP module again; CPU module one end is connected with the DSP module, and the other end is connected to upper main frame by Ethernet; Audio frequency transmitting-receiving isolation module is connected on two bars cables.
Further improve, a plurality of signal cable on-line monitorings unit can be connected on two signal cables between signalling arrangement simultaneously, and their CPU module is connected on same upper main frame.
Further improve, isolate by capacitor C 1 and C2 between audio frequency transmitting-receiving isolation module and signal cable.
The beneficial effects of the utility model are:
1, the performance of circuit can be accomplished real-time monitoring.Equipment in use does not need to stop using and just can carry out the link performance test.
2, workload is little, does not need skylight point just can be tested a large amount of circuits.
The accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the DSP process chart.
Fig. 3 is CPU module flow chart.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The utility model is comprised of CPU module, DSP module, audio frequency sending module, audio frequency receiver module, AD analog-to-digital conversion module, audio frequency transmitting-receiving isolation module.As shown in Figure 1, the DSP module is connected with audio frequency sending module, audio frequency transmitting-receiving isolation module, audio frequency receiver module, AD analog-to-digital conversion module in turn, and the AD analog-to-digital conversion module connects back the DSP module again.DSP module workflow as shown in Figure 2, receives useful signal from the AD analog-to-digital conversion module, and the audio signal received is carried out to Fourier transform, the performance of cable is analyzed, then be sent to the CPU module.If do not receive useful signal, report the network management equipment fault.
CPU module one end is connected with the DSP module, and the other end is connected to upper main frame by Ethernet, and its workflow as shown in Figure 3.The CPU module receives data from the DSP module, carries out the performance evaluation statistics and compares with historical data, then analysis result is uploaded to the network management center of upper main frame.
Audio frequency transmitting-receiving isolation module is connected on two bars cables by capacitor C 1 and C2.A plurality of signal cable on-line monitorings unit can be connected on two signal cables between signalling arrangement simultaneously, and their CPU module is connected on same upper main frame.
Between Railways Stations, the information of contact circuit transmission is all that voltage ratio higher (20V ~ 100V) direct current signal (semiautomatic block cable, the ZPW2000 side of changing circuit etc.) and load are all relays.So by cable, sending an audio signal, in remote station, by the signal to receiving, carry out Fourier transform, spectrum analysis just can obtain the electric property of circuit.The energy comparison of the audio signal such as (open circuit, short circuit) is little is not enough to drive relay, so can not have influence on the normal use of signalling arrangement and can accomplish the cable performance Real-Time Monitoring.
The environmental protection of this Product Green, structural manufacturing process is reasonable in design, beautiful interface, easy for operation.Generally being arranged on the Communication machine room 19-inch standard cabinet, is highly 3U(132mm).Can together use with the 64D photoelectric conversion device, inaccessible cable is carried out to Real-Time Monitoring, automatically start photoelectric conversion device (photoelectric conversion device is at ordinary times in the cold standby state) when cable breaks down.
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. a signal cable on-line monitoring unit, it is characterized in that: by CPU module, DSP module, audio frequency sending module, audio frequency receiver module, AD analog-to-digital conversion module, audio frequency transmitting-receiving isolation module, formed, wherein the DSP module is connected with audio frequency sending module, audio frequency transmitting-receiving isolation module, audio frequency receiver module, AD analog-to-digital conversion module in turn, and the AD analog-to-digital conversion module connects back the DSP module again; CPU module one end is connected with the DSP module, and the other end is connected to upper main frame by Ethernet; Audio frequency transmitting-receiving isolation module is connected on two bars cables.
2. signal cable on-line monitoring according to claim 1 unit, it is characterized in that: a plurality of signal cable on-line monitorings unit can be connected on two signal cables between signalling arrangement simultaneously, and their CPU module is connected on same upper main frame.
3. signal cable on-line monitoring according to claim 1 unit, is characterized in that: between described audio frequency transmitting-receiving isolation module and signal cable, by capacitor C 1 and C2, isolate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203716654U CN203368464U (en) | 2013-06-26 | 2013-06-26 | On-line monitoring unit for signal cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203716654U CN203368464U (en) | 2013-06-26 | 2013-06-26 | On-line monitoring unit for signal cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203368464U true CN203368464U (en) | 2013-12-25 |
Family
ID=49816176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203716654U Expired - Fee Related CN203368464U (en) | 2013-06-26 | 2013-06-26 | On-line monitoring unit for signal cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203368464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443151A (en) * | 2016-06-30 | 2017-02-22 | 上海景格科技股份有限公司 | Line analyzer |
-
2013
- 2013-06-26 CN CN2013203716654U patent/CN203368464U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443151A (en) * | 2016-06-30 | 2017-02-22 | 上海景格科技股份有限公司 | Line analyzer |
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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: 20200626 |