CN203376051U - Power cable operation vibration monitoring system based on acceleration sensor - Google Patents
Power cable operation vibration monitoring system based on acceleration sensor Download PDFInfo
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- CN203376051U CN203376051U CN201320393383.4U CN201320393383U CN203376051U CN 203376051 U CN203376051 U CN 203376051U CN 201320393383 U CN201320393383 U CN 201320393383U CN 203376051 U CN203376051 U CN 203376051U
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- acceleration transducer
- power cable
- vibration
- detecting sensor
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Abstract
The utility model relates to a power cable operation vibration monitoring system based on an acceleration sensor. The power cable operation vibration monitoring system based on the acceleration sensor includes a vibration detecting sensor used for detecting and acquiring vibration quantity. The vibration detecting sensor is connected with a signal processing circuit through a signal collecting circuit. The signal processing circuit acquires vibration information detected by the vibration detecting sensor through the signal collecting circuit and obtains the vibration quantity of a power cable after processing and analyzing the vibration information. The power cable operation vibration monitoring system based on the acceleration sensor provided by the utility model can be used for measuring vibration condition of the power effectively, realizes cable vibration monitoring and improves a prior cable line monitoring method. Through long-term data accumulation, influence of vibration in an operation process of the power cable on a metal sheath and an insulating layer can be analyzed. The acceleration sensor is adopted as the vibration detecting sensor and is easy to install. And distributed installation can be realized and monitoring of key parts can be conducted. The power cable operation vibration monitoring system based on the acceleration sensor is compact in structure, high in monitoring precision, wide in application range and safe and reliable in use.
Description
Technical field
The utility model relates to a kind of monitoring system, and especially a kind of power cable operational shock monitoring system based on acceleration transducer belongs to the technical field that power cable is monitored.
Background technology
At present, also do not have specially for vibratory output monitoring analysis system and the equipment of power cable line, more do not realize that relevant vibration monitor system is applied to the application on the Vibration Monitoring, Analyzing of cable line.To power cable line, the high pressure that especially cross-sectional area of conductor is large and ultrahigh voltage power cable produce certain vibration in operational process under the effect of load current and system voltage.For the cable line under the specific condition that is laid in, the cable line under the bridge condition particularly, when the vibration through out-of-date external environment such as vehicle can be transmitted on cable line.Cable metal is overlapped in this long-term vibration and the impact of insulation course remains further to be studied, therefore the vibration of monitoring power cable is that a kind of of running status of existing assessment cable improves and supplement, and realizes the impact analysis of vibration to the metal fatigue of the metallic sheath of high pressure and extra-high-tension cable and insulation course etc. simultaneously.Vibratory output by continuous monitoring cable operational process is to grasping the cable running status, and the running state analysis of improving cable line is helpful.But the monitoring of cable operational shock at present lacks necessary measure.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of power cable operational shock monitoring system based on acceleration transducer is provided, and its compact conformation, can be monitored the operational shock of power cable, and monitoring accuracy is high, safe and reliable.
The technical scheme provided according to the utility model, the described power cable operational shock monitoring system based on acceleration transducer, comprise for detection of the vibration detecting sensor that obtains vibratory output, described vibration detecting sensor is connected with signal processing circuit by signal acquisition circuit, signal processing circuit obtains by signal acquisition circuit the vibration information that vibration detecting sensor detects, and to obtaining the vibratory output of power cable after described vibration information Treatment Analysis.
Described vibration detecting sensor adopts acceleration transducer.When described vibration detecting sensor adopts acceleration transducer, vibration detecting sensor comprises the second acceleration transducer and the 3rd acceleration transducer, the second acceleration transducer and the 3rd acceleration transducer are installed on the outside surface of power cable, and are 90 degree between the second acceleration transducer and the 3rd acceleration transducer and are installed on power cable.
Described vibration detecting sensor comprises the first acceleration transducer, and described the first acceleration transducer is installed on the cable bearer on power cable.
Described vibration detecting sensor is electrically connected to signal acquisition circuit by signal wire, and signal acquisition circuit is electrically connected to signal processing circuit by data communication interface.
Described signal processing circuit is by the run simultaneously acceleration signal of the detection output that gathers the first acceleration transducer, the second acceleration transducer and the 3rd acceleration transducer of signal acquisition circuit.
Described the first acceleration transducer, the second acceleration transducer and the 3rd acceleration transducer adopt single-axis acceleration sensors or 3-axis acceleration sensor.
Advantage of the present utility model, the first acceleration transducer of vibration detecting sensor is installed on to cable to be propped up, the second acceleration transducer and the 3rd acceleration transducer are installed on the circuit of high pressure and ultrahigh voltage power cable, signal processing circuit is passed through the first acceleration transducer, the acceleration signal analysis that the second acceleration transducer and the 3rd acceleration transducer detect, can effectively measure the Vibration Condition of cable, the monitoring of realization to the cable vibration state, improve existing cable line monitoring means, can analyze the impact of the vibration of Power Cable Running Process on metallic sheath and insulation course by long-term data accumulation, vibration detecting sensor adopts acceleration transducer, be easy to install, can realize that distributed installation can realize the monitoring to keypoint part, compact conformation, monitoring accuracy is high, wide accommodation, safe and reliable.
The accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is a kind of enforcement schematic diagram of the present utility model.
The enlarged drawing that Fig. 3 is Fig. 2.
Description of reference numerals: 1-signal processing circuit, 2-signal acquisition circuit, 3-vibration detecting sensor, 4-data communication interface, 5-signal wire, 6-power cable, 7-the first acceleration transducer, 8-the second acceleration transducer, 9-the 3rd acceleration transducer and 10-cable bearer.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Figure 1: in order to be monitored the vibratory output of power cable 6, the utility model comprises for detection of the vibration detecting sensor 3 that obtains vibratory output, described vibration detecting sensor 3 is connected with signal processing circuit 1 by signal acquisition circuit 2, signal processing circuit 1 obtains by signal acquisition circuit 2 vibration information that vibration detecting sensor 3 detects, and to obtaining the vibratory output of power cable after described vibration information Treatment Analysis.
Particularly, one or more vibration detecting sensors 3 are arranged on power cable 6, and power cable 6 is installed on cable bearer 10.As shown in Figures 2 and 3: in order to realize the vibration detection of vibration monitoring sensor 3, in the utility model embodiment, described vibration detecting sensor 3 adopts acceleration transducer.
When described vibration detecting sensor 3 adopts acceleration transducer, vibration detecting sensor 3 comprises the second acceleration transducer 8 and the 3rd acceleration transducer 9, the second acceleration transducer 8 and the 3rd acceleration transducer 9 are installed on the outside surface of power cable 6, and the second acceleration transducer 8 and 9 of the 3rd acceleration transducers are 90 degree and are installed on power cable 6.In the utility model embodiment, by the second acceleration transducer 8, detect the vibratory output of power cable 6 at left and right directions, by the 3rd acceleration transducer 9, detect the vibratory output of power cable 6 at above-below direction.After signal processing circuit 1 is processed by the acceleration signal value to the second acceleration transducer 8 and the 3rd acceleration transducer 9 detection outputs, can access the vibratory output of power cable 6, signal processing circuit 1 can adopt single-chip microcomputer, computing machine or other micro-chip processor.
In order accurately to detect the vibratory output of power cable 6, in the utility model embodiment, described vibration detecting sensor 3 also comprises the first acceleration transducer 7, and described the first acceleration transducer 7 is installed on the cable bearer 10 on power cable 6.Carry out the vibratory output of detection streamer support 10 by the first acceleration transducer 7, the first acceleration transducer 7 is transferred to the vibratory output of cable bearer 10 in signal processing circuit 1, as the foundation of judgement power cable 6 vibratory outputs, avoid signal processing circuit 1 disconnected to the erroneous judgement of power cable 6 working conditions according to the detection vibratory output of the second acceleration transducer 8 and the 3rd acceleration transducer 9.Described the first acceleration transducer 7, the second acceleration transducer 8 and the 3rd acceleration transducer 9 adopt single-axis acceleration sensors or 3-axis acceleration sensor.
Described vibration detecting sensor 3 is electrically connected to signal acquisition circuit 2 by signal wire 5, and signal acquisition circuit 2 is electrically connected to signal processing circuit 1 by data communication interface 4.Described signal processing circuit 1 is by the run simultaneously acceleration signal of the detection output that gathers the first acceleration transducer 7, the second acceleration transducer 8 and the 3rd acceleration transducer 9 of signal acquisition circuit 2, signal acquisition circuit 2 by data communication interface 4 by corresponding acceleration signal parallel transmission in signal processing circuit 1.Signal acquisition circuit 2 can adopt conventional collecting device, the sample frequency of 2 pairs of vibration detecting sensors 3 of signal acquisition circuit is not less than 10MHz, 2 pairs of the first acceleration transducers 7 of signal acquisition circuit, the second acceleration transducer 8 and the 3rd acceleration transducer 9 realize running simultaneously sampling, and signal processing circuit 1 can accurately judge according to the acceleration signal gathered the vibrational state of power cable 6.
The utility model is installed on the first acceleration transducer 7 of vibration detecting sensor 3 on cable bearer 10, the second acceleration transducer 8 and the 3rd acceleration transducer 9 are installed on the circuit of high pressure and ultrahigh voltage power cable 6, signal processing circuit 1 is passed through the first acceleration transducer 7, the acceleration signal analysis that the second acceleration transducer 8 and the 3rd acceleration transducer 9 detect, can effectively measure the Vibration Condition of cable, the monitoring of realization to the cable vibration state, improve existing cable line monitoring means, can analyze the impact of the vibration of power cable 6 operational processs on metallic sheath and insulation course by long-term data accumulation, vibration detecting sensor 3 adopts acceleration transducer, be easy to install, can realize that distributed installation can realize the monitoring to keypoint part, compact conformation, monitoring accuracy is high, wide accommodation, safe and reliable.
Claims (6)
1. the power cable operational shock monitoring system based on acceleration transducer, it is characterized in that: comprise for detection of the vibration detecting sensor that obtains vibratory output (3), described vibration detecting sensor (3) is connected with signal processing circuit (1) by signal acquisition circuit (2), signal processing circuit (1) obtains by signal acquisition circuit (2) vibration information that vibration detecting sensor (3) detects, and to obtaining the vibratory output of power cable after described vibration information Treatment Analysis;
Described vibration detecting sensor (3) adopts acceleration transducer.
2. the power cable operational shock monitoring system based on acceleration transducer according to claim 1, it is characterized in that: when described vibration detecting sensor (3) adopts acceleration transducer, vibration detecting sensor (3) comprises the second acceleration transducer (8) and the 3rd acceleration transducer (9), the second acceleration transducer (8) and the 3rd acceleration transducer (9) are installed on the outside surface of power cable (6), and are 90 degree between the second acceleration transducer (8) and the 3rd acceleration transducer (9) and are installed on power cable (6).
3. the power cable operational shock monitoring system based on acceleration transducer according to claim 2, it is characterized in that: described vibration detecting sensor (3) comprises the first acceleration transducer (7), and described the first acceleration transducer (7) is installed on the cable bearer (10) on power cable (6).
4. the power cable operational shock monitoring system based on acceleration transducer according to claim 1, it is characterized in that: described vibration detecting sensor (3) is electrically connected to signal acquisition circuit (2) by signal wire (5), and signal acquisition circuit (2) is electrically connected to signal processing circuit (1) by data communication interface (4).
5. the power cable operational shock monitoring system based on acceleration transducer according to claim 3 is characterized in that: described signal processing circuit (1) is by the run simultaneously acceleration signal of the detection output that gathers the first acceleration transducer (7), the second acceleration transducer (8) and the 3rd acceleration transducer (9) of signal acquisition circuit (2).
6. the power cable operational shock monitoring system based on acceleration transducer according to claim 3, is characterized in that: described the first acceleration transducer (7), the second acceleration transducer (8) and the 3rd acceleration transducer (9) employing single-axis acceleration sensors or 3-axis acceleration sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320393383.4U CN203376051U (en) | 2013-07-03 | 2013-07-03 | Power cable operation vibration monitoring system based on acceleration sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320393383.4U CN203376051U (en) | 2013-07-03 | 2013-07-03 | Power cable operation vibration monitoring system based on acceleration sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203376051U true CN203376051U (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320393383.4U Expired - Lifetime CN203376051U (en) | 2013-07-03 | 2013-07-03 | Power cable operation vibration monitoring system based on acceleration sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN203376051U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308140A (en) * | 2013-07-03 | 2013-09-18 | 国家电网公司 | Power cable operation vibration monitoring system based on acceleration sensor |
| CN104121981A (en) * | 2014-08-15 | 2014-10-29 | 青岛科技大学 | Remote wireless vibration monitoring device applied to offshore jacket ocean platform |
-
2013
- 2013-07-03 CN CN201320393383.4U patent/CN203376051U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308140A (en) * | 2013-07-03 | 2013-09-18 | 国家电网公司 | Power cable operation vibration monitoring system based on acceleration sensor |
| CN104121981A (en) * | 2014-08-15 | 2014-10-29 | 青岛科技大学 | Remote wireless vibration monitoring device applied to offshore jacket ocean platform |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |