CN203479392U - Transmission tower vibration monitoring system - Google Patents
Transmission tower vibration monitoring system Download PDFInfo
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- CN203479392U CN203479392U CN201320597478.8U CN201320597478U CN203479392U CN 203479392 U CN203479392 U CN 203479392U CN 201320597478 U CN201320597478 U CN 201320597478U CN 203479392 U CN203479392 U CN 203479392U
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Abstract
The utility model discloses a transmission tower vibration monitoring system including a sensor which monitors the vibration of a transmission tower and generates analog signals based on the vibration, a signal processing module which is connected with the sensor and amplifies, filters and converts the analog signals into digital signals, a data processing module which is connected with the signal processing module and performs the preprocessing of the digital signals, and a power supply module which is connected with the sensor, the signal processing module, and the data processing module. The system further includes a wireless communication module connected with the data processing module and a monitoring terminal in wireless communication and connection with the wireless communication module, and the wireless communication module transmits the preprocessed digital signals to the monitoring terminal for monitoring and early warning. According to the utility model, the system provided can monitor the vibration of the transmission tower off line, is high in accuracy and is safe and reliable; furthermore, the system provided can provide power actual measurement data for the design and standard making of the transmission tower, and meanwhile, the system provided is applicable to the daily detection of power transmission lines to solve the problem of difficult manual inspection.
Description
Technical field
The utility model relates to a kind of electric transmission pole tower vibration monitor system, belongs to technical field of power systems.
Background technology
The accident of falling tower occurring in various places every year causes has directly become the hidden trouble of power grid security with economic loss indirectly.The various factorss such as the different weather environment in the reason that causes the electric transmission pole tower accident of falling tower and design standards, location, tower body height, tower spacing, basic geology condition are relevant, very complicated, also do not find assessment and the method for early warning of reliable practicality.Can simple classification in a variety of causes be aspect two of external environment condition and inner structures.External load can be divided into static load (wire deadweight, wrap up in ice, quiet wind pressure etc.) and dynamic loading (conductor galloping, fitful wind, wind spout, earthquake, rubble flow landslide etc.), and inner structure destroys that reason can be divided into that construction material intensity transfinites, unstability, vibrating fatigue etc.The accident that said external effect and inner structure comprehensively cause can be divided into static(al) and power two classes in simple zones.At present, electric transmission pole tower design specifications Main Basis is static(al), and its intensity redundance of national standard is not very high.Aspect dynamic loading and fatigue resistance, consider seldom.Because electric transmission pole tower covers rivers and lakes, mountain area, Plain, urban and urual areas of whole country He Hai, 500kV and above transmission line length surpass 100,000 kilometers, hundreds thousand of of electric transmission pole towers, and manual inspection is very difficult, can only after accident occurs, process.
Utility model content
The purpose of this utility model is in order to overcome the deficiency of above-mentioned background technology, a kind of electric transmission pole tower vibration monitor system is provided, this system can be vibrated by off-line monitoring electric transmission pole tower, accuracy is high, safe and reliable, can design and formulation standard provides full scale measurements of dynamic behavior data for electric transmission pole tower, can be used for transmission line of electricity routine testing, to solve the problems such as manual inspection difficulty simultaneously.
The technical scheme that the utility model solves its technical matters employing is, a kind of electric transmission pole tower vibration monitor system is provided, comprise for monitoring the vibration of electric transmission pole tower the sensor of the generation of vibration simulating signal that basis monitors, be connected with described sensor for to described sensor measurement to simulating signal amplify, filtering is also converted into the signal processing module of digital signal, be connected with described signal processing module for described digital signal is carried out to pretreated data processing module, and with described sensor, signal processing module, data processing module is connected respectively for the power module of powering, described electric transmission pole tower vibration monitor system also comprises the wireless communication module connected with described data processing module and the monitor terminal being connected with described wireless communication module radio communication, and described wireless communication module is for by being sent to through the pretreated digital signal of described data processing module, monitor terminal is monitored and early warning.
In electric transmission pole tower vibration monitor system described in the utility model, described sensor is the reciprocating vibro-pickup of moving-coil.
In electric transmission pole tower vibration monitor system described in the utility model, described signal processing module comprises for described simulating signal being carried out to amplifying signal amplifier, for filtering the Hi-pass filter of described simulating signal high fdrequency component, for filtering the low-pass filter of described simulating signal low frequency component and for amplifying and filtered simulating signal is converted to the A/D converter of digital signal.
In electric transmission pole tower vibration monitor system described in the utility model, described data processing module is central processing unit, for described digital signal is carried out to pre-service.
In electric transmission pole tower vibration monitor system described in the utility model, described power module is any one in solar storage battery, lithium battery, coil-induced electricity getting device.
In electric transmission pole tower vibration monitor system described in the utility model, described wireless communication module, for the pretreated data of described data processing module are sent to described monitor terminal by GSM/CDMA/GPRS/3G network, is used wireless radio frequency mode to communicate for the electric transmission pole tower place covering without GSM/CDMA/GPRS/3G.
In electric transmission pole tower vibration monitor system described in the utility model, described monitor terminal is computing machine, for the data that receive are stored, analyzed and show, and carries out automatic early-warning.
Therefore, the utility model can obtain following beneficial effect: adopt solar storage battery, lithium battery or the power supply of coil-induced electricity getting device, and energy-conserving and environment-protective, volume is little, lightweight and easy to carry; Can off-line monitoring electric transmission pole tower vibration, accuracy is high, safe and reliable, for electric transmission pole tower designs and formulation standard provides full scale measurements of dynamic behavior data; For transmission line of electricity routine testing, the problems such as manual inspection difficulty have been solved.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the electric transmission pole tower vibration monitor system of an embodiment of the utility model;
Fig. 2 is the principle of work schematic diagram of the signal processing module of an embodiment of the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 is the structural representation of the electric transmission pole tower vibration monitor system of an embodiment of the utility model.As shown in Figure 1, system comprises sensor 1, the signal processing module 2 being connected with sensor 1, the data processing module 3 being connected with signal processing module 2 and the power module 4 being connected respectively with sensor 1, signal processing module 2, data processing module 3; Electric transmission pole tower vibration monitor system also comprises the wireless communication module 5 connected with data processing module 3 and the monitor terminal 6 being connected with wireless communication module 5 radio communications.In the present embodiment, sensor 1, signal processing module 2, data processing module 3, power module 4 and wireless communication module 5 are integrated in same vibration detection device and are arranged on electric transmission pole tower, monitor terminal 6 is for can be used for the computing machine of monitoring, and monitor terminal 6 can be monitored the Vibration Condition that is arranged on a plurality of vibration detection devices on different electric transmission pole towers simultaneously.
In the present embodiment, sensor 1 adopts the 941B of China Seismological Bureau Engineering Mechanical Institute type vibro-pickup, and it belongs to the reciprocating vibro-pickup of moving-coil, is mainly used in the fluctuation measurement of ground and works.Vibro-pickup is provided with acceleration, little speed, medium velocity and large speed fourth gear, adopts medium velocity shelves to carry out vibration survey during electric transmission pole tower vibration monitoring, for monitoring the vibration of electric transmission pole tower, and according to the generation of vibration simulating signal monitoring.
Signal processing module 2 is for amplification, the filtering of vibration signal and amplification and filtered simulating signal are converted to digital signal.According to the vibration characteristic of Transmission Tower, the vibration under physical environment is faint, so must have enough large enlargement factor, the natural frequency of Transmission Tower vibration is very low in addition, must have good low-pass filter and cutoff frequency very low.Signal processing module 2 in the present embodiment comprises signal amplifier 21, Hi-pass filter 22, low-pass filter 23 and A/D converter 24.Signal amplifier 21 will be for vibration signal is amplified, and enlargement factor scope is 1～1000 times; Hi-pass filter 22 filters the high fdrequency component in the signal after amplification, and the lower frequency limit of Hi-pass filter 22 is 0.01HZ; Low-pass filter 23 filters the low frequency component in the signal after amplification, and low pass filter cutoff frequency is 5HZ; A/D converter 24 is converted into digital signal by amplification and filtered simulating signal, to facilitate data processing module 3 to gather and pre-service it.
Data processing module 3 is for collection site data and carry out pre-service, and data processing module 3 is comprised of data collecting card and industrial control computer.Data collecting card adopts PC16224 type data collecting card, and input resolution is 16, sample frequency 500kHZ.Industrial control computer adopts IPC-610H industrial computer.Data processing module gathers digital signal and carries out pretreated process: according to predetermined frequency acquisition or trigger condition, control sensor starts, gather corresponding digital signal and store, when there are abnormal conditions, alerting signal is sent to monitor terminal 6 by wireless communication module 5 and reports to the police, can automatically enter dormancy armed state after hours.Data acquisition module 3 also can carry out wireless network data transmission by wireless communication module 5 and monitor terminal 6 simultaneously, upgrades application program, sends the historical information of storage or carries out corresponding action.
Power module 4 can be any one in solar storage battery, lithium battery, coil-induced electricity getting device.Adopt solar storage battery, lithium battery or the power supply of coil-induced electricity getting device, volume is little, lightweight and portable, and installation and maintenance more for convenience, have the feature of energy-conserving and environment-protective simultaneously.
Wireless communication module 5 is sent to monitor terminal 6 for data or the alerting signal that data processing module 3 was processed by GSM/CDMA/GPRS/3G network, for the electric transmission pole tower place covering without GSM/CDMA/GPRS/3G, uses wireless radio frequency mode to communicate.
6 pairs of electric transmission pole tower vibration related datas of monitor terminal are stored and show, analysis and the processing of the stepping row data of going forward side by side, complete the isoparametric monitoring of amplitude, frequency and early warning to electric transmission pole tower vibration, there is the functions such as data storage, the inquiry of historical data, form, printing, chart plot, can carry out qualitative and quantitative analysis to electric transmission pole tower Vibration Condition.The computing machine with radio communication function module of monitor terminal 6 for can be used for monitoring, the mobile phone of the electric transmission pole tower vibrational system support of the present embodiment use is simultaneously connected to monitor terminal 6 by network to carry out data query and reports to the police receiving.
Fig. 2 is the principle of work schematic diagram of the signal processing module of an embodiment of the utility model.As shown in Figure 2, signal processing module 2 possesses signal condition, frequency adjustment and analog-to-digital function, vibration signal is by being input to output respectively through the processing of amplifier 21, Hi-pass filter 22, low-pass filter 23, Hi-pass filter 22, low-pass filter 23, amplifier fine setting, A/D analog to digital converter, and these devices are connected successively according to the order shown in Fig. 2 respectively.Signal processing module 2 low pass filter cutoff frequency are that 1HZ, 5HZ, 20HZ are optional, in native system, select the low-pass filter of 5HZ, drop rate > 80dB, Hi-pass filter lower frequency limit 0.01HZ, optional in enlargement factor 1～1000 scope.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not departing from the scope situation that the utility model aim and claim protect, also can make a lot of forms, within these all belong to protection of the present utility model.
Claims (7)
1. an electric transmission pole tower vibration monitor system, it is characterized in that, comprise the sensor (1) that monitors generation of vibration simulating signal for monitoring electric transmission pole tower vibration basis, be connected and amplify for the simulating signal that described sensor (1) is measured with described sensor (1), filtering is also converted into the signal processing module (2) of digital signal, be connected with described signal processing module (2) for described digital signal being carried out to pretreated data processing module (3), and with described sensor (1), signal processing module (2), data processing module (3) is connected respectively for the power module (4) of powering, described electric transmission pole tower vibration monitor system also comprises the wireless communication module (5) connected with described data processing module (3) and the monitor terminal (6) being connected with described wireless communication module (5) radio communication, and described wireless communication module (5) is for monitoring and early warning being sent to monitor terminal (6) through the pretreated digital signal of described data processing module (3).
2. electric transmission pole tower vibration monitor system as claimed in claim 1, is characterized in that, described sensor (1) is the reciprocating vibro-pickup of moving-coil.
3. electric transmission pole tower vibration monitor system as claimed in claim 2, it is characterized in that, described signal processing module (2) comprises for described simulating signal being carried out to amplifying signal amplifier (21), for filtering the Hi-pass filter (22) of described simulating signal high fdrequency component, for filtering the low-pass filter (23) of described simulating signal low frequency component and for amplifying and filtered simulating signal is converted to the A/D converter (24) of digital signal.
4. electric transmission pole tower vibration monitor system as claimed in claim 3, is characterized in that, described data processing module (3) is central processing unit, for described digital signal is carried out to pre-service.
5. electric transmission pole tower vibration monitor system as claimed in claim 4, is characterized in that, described power module (4) is any one in solar storage battery, lithium battery, coil-induced electricity getting device.
6. electric transmission pole tower vibration monitor system as claimed in claim 5, it is characterized in that, described wireless communication module (5), for the pretreated data of described data processing module (3) are sent to described monitor terminal by GSM/CDMA/GPRS/3G network, is used wireless radio frequency mode to communicate for the electric transmission pole tower place covering without GSM/CDMA/GPRS/3G.
7. electric transmission pole tower vibration monitor system as claimed in claim 6, is characterized in that, described monitor terminal (6), for having the computing machine of wireless communication module, for the data that receive are stored, analyzed and show, and carries out automatic early-warning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597478.8U CN203479392U (en) | 2013-09-26 | 2013-09-26 | Transmission tower vibration monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597478.8U CN203479392U (en) | 2013-09-26 | 2013-09-26 | Transmission tower vibration monitoring system |
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| CN203479392U true CN203479392U (en) | 2014-03-12 |
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| CN201320597478.8U Expired - Fee Related CN203479392U (en) | 2013-09-26 | 2013-09-26 | Transmission tower vibration monitoring system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865400A (en) * | 2015-04-14 | 2015-08-26 | 华北电力大学 | Method and system for detecting and identifying rotating speed of wind power generation set |
| CN107340017A (en) * | 2017-06-28 | 2017-11-10 | 深圳源广安智能科技有限公司 | Aerial power transmission line on-line monitoring system |
| CN110361152A (en) * | 2019-08-01 | 2019-10-22 | 北京派克盛宏电子科技有限公司 | Transmission tower vibration monitoring method, apparatus, system and storage medium |
| CN115107050A (en) * | 2022-06-24 | 2022-09-27 | 华能新疆能源开发有限公司新能源东疆分公司 | Track type fan inspection robot and inspection maintenance method thereof |
-
2013
- 2013-09-26 CN CN201320597478.8U patent/CN203479392U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865400A (en) * | 2015-04-14 | 2015-08-26 | 华北电力大学 | Method and system for detecting and identifying rotating speed of wind power generation set |
| CN107340017A (en) * | 2017-06-28 | 2017-11-10 | 深圳源广安智能科技有限公司 | Aerial power transmission line on-line monitoring system |
| CN110361152A (en) * | 2019-08-01 | 2019-10-22 | 北京派克盛宏电子科技有限公司 | Transmission tower vibration monitoring method, apparatus, system and storage medium |
| CN115107050A (en) * | 2022-06-24 | 2022-09-27 | 华能新疆能源开发有限公司新能源东疆分公司 | Track type fan inspection robot and inspection maintenance method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20150926 |
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| EXPY | Termination of patent right or utility model |