CN2852542Y - Wireless communication base station for transmission line monitoring - Google Patents
Wireless communication base station for transmission line monitoring Download PDFInfo
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- CN2852542Y CN2852542Y CN 200520130569 CN200520130569U CN2852542Y CN 2852542 Y CN2852542 Y CN 2852542Y CN 200520130569 CN200520130569 CN 200520130569 CN 200520130569 U CN200520130569 U CN 200520130569U CN 2852542 Y CN2852542 Y CN 2852542Y
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Abstract
The utility model provides a wireless communication base station for monitoring electricity transmission lines, which comprises a short range radio communication unit, a data acquisition and control unit, a remote wireless transmission unit, and an electricity supply device, wherein the short range wireless communication unit establishes and monitors a wireless sensor network communication link of at least one wireless sensor of the electricity transmission line and receives a data packet sent by the wireless sensor in a message mode. The received data packet is input into the data acquisition and control unit which is connected with the short range wireless communication unit for analyzing the sensor type and data type of the received data packet. Engineering data can be obtained by calculating and processing according to the data packet type and then be input to the remote wireless transmission unit. The remote wireless transmission unit is connected with the data acquisition and control unit for sending the data received from the data acquisition and control unit to a monitoring support central station through a mobile communication network.
Description
Technical field
The utility model relates to on-line monitoring and wireless communication technology, is a kind of radio communication base station that is used for the power transmission sequence monitoring that is used for the remote measurement and the monitoring of equipment under the unattended duty condition concretely.
Background technology
Aerial power transmission line is high pressure particularly, at a distance, jumbo power transmission sequence is in operation and is subjected to meteorology, environment, factor affecting such as external force and ageing of insulation, various circuit operation troubles often appears, for example surpass to allow the fatigue damage of the circuit parts that the aeolian vibration of amplitude causes, as disconnected strand of the fatigue of lead wire and earth wire, gold utensil, the fatigue damage of conductor spacer and shaft tower member or wearing and tearing etc., therefore how to understand the practical operation situation of high voltage circuit exactly, as the aeolian vibration level, conductor temperature, angle of wind deflection, insulation level, weather environment etc., it is the key point that guarantees the safe operation of high voltage circuit, the obtaining in real time of these data can be operation power department provides the good technical data refer, for relevant departments' decision-making provides strong support, for example, can predict lead fatigue life, line fault to the monitoring of aeolian vibration; The monitoring of conductor temperature is helped improving the transmission capacity of lead, to reduce track investment; The windage yaw monitoring can directly reflect the angle of wind deflection of insulator string.
And in the common monitoring technology of existing power transmission sequence, general only to monitoring with the parameter of single aspect of power transmission sequence or single data, as shown in Figure 1, by its existing Design Mode, the autgmentability difficulty of multi-parameter monitoring is bigger, and traditional fault monitoring method is regular detection in the prior art, and this traditional method is difficult to circuit question is effectively prevented.Thereby power department is more and more stronger for the demand of the actual operation parameters of overall understanding high voltage circuit, press at present and use intelligentized data monitoring device that power transmission sequence is carried out comprehensive on-line monitoring and failure diagnosis, scent a hidden danger early, in time fix a breakdown, to improve the fail safe and the reliability of power transmission sequence operation.
The utility model content
At problem as mentioned above, the purpose of this utility model is to provide a kind of radio communication base station that is used for the power transmission sequence monitoring, be intended to realize a kind of installation, easy to use, extensibility is strong, the distributed radio communication device of the data acquisition of the many information of realization multi-parameter and fusion, processing, storage, management, remote transmission function is used for the remote measurement and the monitoring of equipment under the unattended operation condition.
In order to realize described purpose, the technical solution of the utility model is:
A kind of radio communication base station that is used for the power transmission sequence monitoring, it comprises:
Short-distance wireless communication unit, data acquisition and control unit, long distance wireless transmission unit and electric supply installation; Wherein,
Described short-distance wireless communication unit, set up network communication of wireless sensor link with at least one wireless senser of monitoring power transmission sequence, receive the packet that described wireless senser sends with message mode, and received packet is input to data acquisition and control unit;
Described data acquisition and control unit, be connected with described short-distance wireless communication unit, be used to resolve the sensor type and the data type of the packet that receives, carry out computing according to type of data packet and obtain project data, and described project data is input to the long distance wireless transmission unit;
Described long distance wireless transmission unit connects data acquisition and control unit, is used for that the data from data acquisition and control unit reception are sent to monitoring by mobile communications network and supports central station;
Described electric supply installation provides sun-generated electric power or AC power.
Described short-distance wireless communication unit comprises: radio network unit is used to set up the wireless communication link with at least one wireless senser; Communication antenna is used to receive the data that wireless senser sends; Interface unit is input to data acquisition and control unit by this interface unit with the data that receive.
Described electric supply installation is sun-generated electric power or AC power, and wherein said sun-generated electric power comprises solar cell, charging-discharging controller and storage battery; Described AC power comprises: uninterrupted power supply and storage battery.
Described data acquisition and control unit also comprise:
The data parsing unit is used to read the packet that receives, and according to the data pack protocol standard, resolves the sensor type and the data type of described packet;
The data check unit is coupled with described data parsing unit, is used for the packet of resolving is carried out verification, if verification is wrong, then loses this error data packets, if verification is errorless, then is input to data processing unit;
Data processing unit receives through the errorless packet of described data check unit verification, and this packet is carried out computing, obtains project data;
Data storage cell is stored in described local data base with the project data that obtains.
Described data acquisition and control unit also comprise: Data Management Unit, be used for connecting local data base in the time of setting, the tables of data in the monitor database is pressed data time priority principle reading of data, data deletion with success transmission realizes the management to data.
Described long distance wireless transmission unit comprises:
Communication antenna is used for receiving and the transmission data;
GPRS/GSM/CDMA digital junction unit is used for setting up the Radio Link of supporting central station with monitoring by mobile communications network, and the data that described data acquisition and control unit transmission come are sent to monitoring support central station.
The data that described long distance wireless transmission unit supports central station to send to monitoring are the packet that has the data check function.
Described digital junction unit comprises:
Monitoring means is used to connect local data base, the renewal of data in the monitor database;
Processing unit reads data updated, and stores after described data updated is encapsulated as the packet that has the data check function;
Data transmission unit: be used for described packet is sent to remote central station, and the corresponding response data at receiving center station in the given time, do not receive that response data then retransmits this packet, receive that response data then sends next new packet.
Described data acquisition and control unit are the embedded board machine.
Described radio communication base station is arranged in the pair of lamina metal cabinet, is used for waterproof, protection against the tide, heat insulation and shield electromagnetic interference.
The beneficial effects of the utility model are, radio communication base station device according to on-line monitoring system of the present utility model and on-line monitoring, the utility model in the certain limit, the monitoring of multi-parameter, extendible high voltage circuit provides a kind of general radio communication platform, only need a stylobate station, just can realize the information monitoring and the fusion of multisensor, multi-parameter, realize the on-line monitoring of most parameters of power transmission sequence; And can discern automatically, plug and play, realized the automatic management of data, and described base station is in operation and need not any maintenance, energy waterproof, protection against the tide, heat insulation, shield electromagnetic interference can also be carried out time synchronized with monitoring back-up system central station automatically, guarantee the accuracy of data acquisition time, described base station is except that the monitoring that is used for power transmission sequence, also applicable to other monitoring fields.
Description of drawings
Fig. 1 is the prior art constructions schematic diagram;
Fig. 2 is the structural representation that is used for the on-line monitoring system of high voltage circuit of the present utility model;
Fig. 3 is the each several part syndeton schematic diagram of the utility model radio communication base station;
Fig. 4 is the workflow diagram of short-distance wireless communication of the present utility model unit and data acquisition and control unit;
Fig. 5 is the workflow diagram of data preparation of the present utility model;
Fig. 6 is the structure chart of data acquisition and control unit;
Fig. 7 is the structure chart of long distance wireless transmission unit of the present utility model;
Fig. 8 is the workflow diagram of long distance wireless transmission unit of the present utility model.
Embodiment
Describe preferred embodiment of the present utility model with reference to the accompanying drawings in detail.
The radio communication base station that is used for the power transmission sequence monitoring of the present utility model aims to provide a kind of installation, easy to use, extensibility is strong, realize the distributed radio communication device of the data acquisition of on-the-spot multi-parameter information and fusion, processing, storage, management, remote transmission function, be used for the remote measurement and the monitoring of equipment under the unattended duty condition.
Base station of the present utility model is in conjunction with the wireless senser of high voltage circuit and just constituted the on-line monitoring system of a high voltage circuit as the central station of remote monitoring support.
Fig. 2 is the structural representation according to the on-line monitoring system that is used for high voltage circuit of the utility model realization.As shown in Figure 2, described on-line monitoring system comprises: a plurality of wireless sensers, as wireless vibration transducer 104, radio temperature sensor 105, wireless angle of wind deflection transducer 106, insulation transducer 107, weather environment transducer 108 etc., it is respectively applied for a plurality of parameters such as monitoring aeolian vibration, conductor temperature, angle of wind deflection, insulation level, weather environment.The in-site measurement sensor part be deployed in perceptive object inner or near, with information specific in cooperation way perception, collection and the processing network's coverage area, can realize collection, processing and analysis to anywhere information a plurality of parameters at any time.These transducers constitute the short distance wireless sensor network by the self-organizing mode, its data are reported to base station 103 by wireless sensor network by the time interval of setting according to the form of message, and various sensors of various types send sensed data with the packet of type separately.The base station is carried out the message data of receiving to pass to the form of packet by mobile communications network after the computing central station 101 of monitoring back-up system, central station by the monitoring back-up system is finished the reception and the transmission of information, and the early warning, demonstration, system diagnostics, maintenance, inquiry, information issue, data forwarding, printing etc. of finishing aerial power transmission line multi-parameter on-line monitoring.
Radio communication base station 103, receive and read the packet that described transducer sends by wireless sensor network, data pack protocol standard according to wireless sensor network, the resolution data bag, parse data type and sensor type, dissimilar according to packet then, distinguish computing, obtain project data; And the project data that obtains is stored in the database, described data are managed, and send by the data packet format standard in the back that packages.
Central station 101, receive the packet that radio communication base station sends by mobile radio communication 102, data are carried out analyzing and processing, obtain the operation information of described high voltage circuit, realization is to the monitoring of described power transmission sequence, thereby provide powerful support for for power grid security provides, for example can judge the level of vibration of circuit, prediction lead fatigue life according to aeolian vibration; Line temperature can provide direct reference for improving the lead operating temperature; Windage yaw can directly reflect the angle of wind deflection of insulator.
Below described radio communication base station is described in detail.
Fig. 3 is the each several part syndeton schematic diagram of radio communication base station of the present utility model.As shown in Figure 3, described radio communication base station mainly comprises:
Short-distance wireless communication unit 201, data acquisition and control unit 202, long distance wireless transmission unit 203 and electric supply installation, wherein,
Described short-distance wireless communication unit 201 comprises: radio network unit, the wireless communication link that it is used to set up with a plurality of wireless sensers, many wireless networks that promptly partners, the data that each wireless senser sends in the certain physical extent of real-time listening; External communication antenna is used for receiving or sending data, and it also can be replaced by built-in aerial; Interface unit, the data that wireless senser sends are sent to data acquisition and control unit 202 by this interface unit, and vice versa, i.e. data acquisition and control unit 202, send the packet meet wireless sensor network by interface unit, the transducer of reaching the spot through communication antenna.
Described data acquisition and control unit 202 are the embedded board machine in the present embodiment, be characterized in highly reliable, high integrated, low-power consumption, move embedded OS and application software thereon, the packet of the type separately that the various dissimilar sensors that receive are sent is resolved sensor type and data type according to data format specifications, the line data of going forward side by side is handled, deposit local data base then in, carry out data management and transmission.As shown in Figure 6, embedded board machine used in the utility model comprises: listening port COM1/COM2, CPU, Ethernet (Ethernet), and memory cell EEPROM/FLASH.
The parsing and the computing of the data of receiving in order to achieve a butt joint, the CPU of described data acquisition and control unit 202 partly comprises: the data parsing unit, be used for reading the packet that receives by listening port, and, resolve described packet according to the data pack protocol standard of wireless sensor network; The data check unit is used for the packet of resolving is carried out verification, if verification is wrong, then loses this error data packets, if verification is errorless, proceeds to transmit; Data processing unit receives through the errorless packet of described data check unit verification, and this packet is carried out computing, obtains project data; The project data that obtains is stored in described local data base by memory cell EEPROM/FLASH.Fig. 4 is the short-distance wireless communication unit 201 of correspondence and the workflow diagram of data acquisition and control unit 202.
For example: the packet structure that obtains weather information is
Typedef?struct{
Uint16_t weatherSource; // from the data source address of meteorological sensor
Uint16_t windSpeed; // wind speed
Uint16_t windDirection; // wind direction
Uint16_t weatherTemp; // atmospheric air temperature
Uint16_t weatherHum; // atmospheric humidity
Uint16_t weatherboardTemp; Temperature on the // plate
Uint16_t weatherboardHum; // interior humidity
Uint16_t weatherBattery; // voltage condition
Uint16_t weatherRssi; // signal strength signal intensity (spare fields)
}EPweatherData_t
According to the internal temperature formula
eng_temperature＝(weatherboardTemp*0.98-3840)/100
Like this can be in the hope of the internal temperature quantities.Other are similar.
For the data in the better management of base station, realize the timing arrangement (as the deletion of data) of data, the CPU part of described data acquisition and control unit also comprises: Data Management Unit, be used for connecting local data base in the time of setting, tables of data in the monitor database, press data time priority principle reading of data, the data deletion with success transmission realizes the management to data.
Fig. 5 is the workflow diagram of the data preparation of corresponding data acquisition and control unit; As shown in Figure 5, the concrete steps of the data preparation carried out of described data acquisition and control unit comprise:
1) whether arrives according to setting-up time,, then connect local data base if arrive; If do not arrive, in the wait;
Whether 2) each tables of data in the monitor database is found to have to have sent successful data;
3) press data time priority principle reading of data, will send successful data deletion.
This shows, complete database work flow process and the data structure specification of a cover that radio communication base station of the present utility model has been developed, realized the management and the processing of data in the radio communication base station, can carry out self-management, oneself's deletion, self the data of receiving.The datacycle holding time is 5 to 10 days in the wherein said database, and is definite according to memory capacity, number of sensors and sampling time.
And, owing to utilize WatchDog Timer in the single board computer to make software occur restarting automatically when unexpected, therefore in servicely need not any maintenance in the base station in operation, and easy for installation: program, parameter, historical data power down protection; Power on and recover automatically.
In the utility model, described embedded board machine can be in on-line monitoring system and base station plug and play, automatically identification, type and numbering that not only can automatic identification sensor, and resolution data, simultaneously also can new sensor device and the data of adding of autonomous classification, invalid data is had function of shielding; Add or maintenance when exitting network at transducer, the number of sensors of identification statistics automatically, and stable operation realize intelligent management.
Fig. 7 is the structure chart of long distance wireless transmission unit of the present utility model; It comprises serial ports, embedded type CPU, GPRS/CDMA communication module and external antenna.Described long distance wireless transmission unit is set up and the Radio Link of monitoring back-up system central station 101 by mobile radio communication, as long as receive the data of described data acquisition and control unit 202 transmission, just these data are sent to monitoring back-up system central station 101 accurately and reliably, vice versa, promptly monitors back-up system central station 101 also by the Radio Link of mobile radio communication foundation with the long distance wireless transmission unit.Its function is exactly that data to be sent in the database are packaged to having the packet of data check function specifically, then according to data packet format standard dispatching centre station, as in the given time, not receiving the response data packet of central station, data packet retransmission then, so repeatedly.Central station software can be analyzed all field datas, adds up, assesses, warning etc., thereby provides good user to support to the field condition of power transmission sequence.The step that the data that described long distance wireless transmission unit is carried out send is:
1) connects local data base;
2) each tables of data in the monitor database finds whether to have data updated;
3) read more new data by the data time priority principle, data to be updated are carried out data encapsulation;
4) packaged data are carried out data and send, wait for the corresponding response data packet of central station within the predetermined time, if receive respond packet then send next packet and new database more; Then retransmit this packet as not receiving respond packet.
GPRS/CDMA communication module described in the present embodiment is a kind of wireless GPRS/CDMA digital junction unit.In order to realize above-mentioned data transmission flow, described wireless GPRS/CDMA digital junction unit comprises (as shown in Figure 8): monitoring means, be used to connect local data base, and the tables of data in the monitor database is with the renewal of data in the monitor database; Processing unit reads data updated, and stores after described data updated is encapsulated as the packet that has the data check function; Data transmission unit: be used for described packet is sent to remote central station, and the corresponding response data at receiving center station in the given time, do not receive that response data then retransmits this packet, receive that response data then sends next new packet.
Aspect data transmission credibility, we take to store earlier the mechanism of afterwards transmitting to data, and when transfer of data, adopt Handshake Protocol, central station is after receiving uplink data frames, should send echo message within the predetermined time to interface unit, if interface unit is not received echo message in the time of agreement, then should continue to send this frame data, till receiving.If mobile communications network or central station break down, the data that collect can be kept at this machine; Pending fault can be transferred to central station with the total data of not sending out after getting rid of.
Described electric supply installation provides solar powered and 204 two kinds of supply power modes of ac power supply, can select according to the actual conditions at circuit scene.Solar power supply apparatus 204 mainly comprises solar panel, charging-discharging controller 205 and storage battery 206.When sunny, solar panel to charge in batteries, is finished the storage of electric energy by charging-discharging controller in to the base station power supply; Can't supply with solar energy or continue to power by storage battery during because of climatic condition solar energy undersupplies such as cloudy daies at night to the base station.Described ac power supply device 204 mainly comprises UPS uninterrupted power supply 205 and storage battery 206.In AC power just often, by the UPS uninterrupted power supply voltage transitions is become the needed voltage in each unit, directly to system's power supply, storage battery is in floating charge state; When AC power failure or maintenance, continue to power to the base station by storage battery.
For effectively waterproof, protection against the tide, heat insulation, and shield electromagnetic interference, present embodiment is with short-distance wireless communication unit 201, data acquisition and control unit 202, the long distance wireless transmission unit 203 of radio communication base station, the electric power system of solar energy or AC power (204,205,206) all is placed in the metal cabinet of a bilayer, and the communication antenna of short-distance wireless communication unit 201 and long distance wireless transmission unit 203 is installed in the top of cabinet, guarantee the good of signal, the distance that both are certain has at interval again been avoided the phase mutual interference.
By aforesaid on-line monitoring system and radio communication base station, the utility model provide in the certain limit, the excellent communications platform of multi-parameter, extendible high voltage circuit monitoring.The network that a plurality of wireless sensers constitute with the self-organizing form, by trunking scheme with the data back radio communication base station device, at last by this base station apparatus the data in the whole zone being sent to remote central station focuses on, thereby realized monitoring, provide good user to support the on-the-spot various different circuit operation informations of high voltage circuit.Described base station can also be automatically and central station carry out having guaranteed the accuracy of data acquisition time synchronously.
Radio communication base station of the present utility model is not only applicable to the on-line monitoring of power transmission sequence, but also is applicable to other monitoring fields.
In sum, the utility model has following advantage with respect to prior art:
1, realizes the information monitoring and the fusion of multisensor, multi-parameter, for the user provides a kind of comprehensive solution: adopt the short distance wireless sensor network between multisensor and the radio communication base station, only need a stylobate station at the scene, just can realize the on-line monitoring and the fusion of multi-parameter, as aeolian vibration, conductor temperature, angle of wind deflection, insulation level, meteorology, environment etc.
2, plug and play, identification automatically.
3, strong, the intelligent degree height of autgmentability: the opening of system, autgmentability, modularization and intelligentized design, can allow the user expand new parameter monitoring easily, use very simple.
4, the intelligentized management function of data.
5, timing and synchronous.Carry out message transmission up and down with the broadcast data newspaper in wireless sensor network, information uploading can be finished in 1 second; Utilize mobile communications network to carry out message transmission up and down with datagram between base station and the central station, information uploading can be finished about about 3 seconds.Therefore grasp circuit ruuning situation that can be promptly and accurately.
6, data are to the timely transmission of monitoring back-up system central station.
If mobile communications network or monitoring back-up system central station break down, the data that collect can be kept at this machine; Pending fault can be transferred to central station by the long distance wireless transmission unit with the total data of not sending out after getting rid of.
7, the base station is in service need not any maintenance, easy for installation.
8, the communication antenna of short-distance wireless communication unit and long distance wireless transmission unit is installed in the top of cabinet, guarantees that signal is good; Two distances that antenna spacing is certain are avoided the phase mutual interference.
9, adopt the double-level-metal cabinet, effectively waterproof, protection against the tide, heat insulation, and shield electromagnetic interference.
10, the versatility of radio communication base station is applicable to multiple monitoring field.
Above embodiment only is used to illustrate the utility model, but not is used to limit the utility model.
Claims (10)
1. a radio communication base station that is used for the power transmission sequence monitoring is characterized in that comprising: short-distance wireless communication unit, data acquisition and control unit, long distance wireless transmission unit and electric supply installation; Wherein,
Described short-distance wireless communication unit, set up network communication of wireless sensor link with at least one wireless senser of monitoring power transmission sequence, receive the packet that described wireless senser sends with message mode, and received packet is input to data acquisition and control unit;
Described data acquisition and control unit, be connected with described short-distance wireless communication unit, be used to resolve the sensor type and the data type of the packet that receives, carry out computing according to type of data packet and obtain project data, and described project data is input to the long distance wireless transmission unit;
Described long distance wireless transmission unit connects data acquisition and control unit, is used for that the data from data acquisition and control unit reception are sent to monitoring by mobile communications network and supports central station;
Described electric supply installation provides sun-generated electric power or AC power.
2. the radio communication base station that is used for the power transmission sequence monitoring according to claim 1, it is characterized in that: described short-distance wireless communication unit comprises: radio network unit, communication antenna and interface unit.
3. the radio communication base station that is used for the power transmission sequence monitoring according to claim 1 is characterized in that described electric supply installation is sun-generated electric power or AC power, and wherein said sun-generated electric power comprises solar cell, charging-discharging controller and storage battery; Described AC power comprises: uninterrupted power supply and storage battery.
4. the radio communication base station that is used for the power transmission sequence monitoring according to claim 1 is characterized in that described data acquisition and control unit comprise:
The data parsing unit is used for reading the packet that receives by listening port, and according to the data pack protocol standard, resolves the sensor type and the data type of described packet;
The data check unit is coupled with described data parsing unit, is used for the packet of resolving is carried out verification, if verification is wrong, then loses this error data packets, if verification is errorless, then is input to data processing unit;
Data processing unit receives through the errorless packet of described data check unit verification, and this packet is carried out computing, obtains project data;
Data storage cell is stored in described local data base with the project data that obtains.
5. according to claim 1 or the 4 described radio communication base stations that are used for the power transmission sequence monitoring, it is characterized in that described data acquisition and control unit also comprise:
Data Management Unit is used for connecting local data base in the time of setting, and the tables of data in the monitor database is pressed data time priority principle reading of data, and the data deletion with success transmission realizes the management to data.
6. the radio communication base station that is used for the power transmission sequence monitoring according to claim 1 is characterized in that:
Described long distance wireless transmission unit comprises:
Communication antenna is used for receiving and the transmission data;
GPRS/GSM/CDMA digital junction unit is used for setting up the Radio Link of supporting central station with monitoring by mobile communications network, and the data that described data acquisition and control unit transmission come are sent to monitoring support central station.
7. according to claim 1 or the 6 described radio communication base stations that are used for the power transmission sequence monitoring, it is characterized in that: the data that described long distance wireless transmission unit supports central station to send to monitoring are the packet that has the data check function.
8. the radio communication base station that is used for the power transmission sequence monitoring according to claim 1 is characterized in that described digital junction unit comprises:
Monitoring means is used to connect local data base, the renewal of data in the monitor database;
Processing unit reads data updated, and stores after described data updated is encapsulated as the packet that has the data check function;
Data transmission unit: be used for described packet is sent to remote central station, and the corresponding response data at receiving center station in the given time, do not receive that response data then retransmits this packet, receive that response data then sends next new packet.
9. the radio communication base station that is used for the power transmission sequence monitoring according to claim 1, it is characterized in that: described data acquisition and control unit are the embedded board machine.
10. the radio communication base station that is used for the power transmission sequence monitoring according to claim 1, it is characterized in that: described radio communication base station is arranged in the pair of lamina metal cabinet, with waterproof, protection against the tide, heat insulation and shield electromagnetic interference.
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| CN 200520130569 CN2852542Y (en) | 2005-11-07 | 2005-11-07 | Wireless communication base station for transmission line monitoring |
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| CN 200520130569 CN2852542Y (en) | 2005-11-07 | 2005-11-07 | Wireless communication base station for transmission line monitoring |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141395A (en) * | 2011-01-04 | 2011-08-03 | 西安工程大学 | ZigBee-based system and method for monitoring wind drift of power transmission line on line |
| CN102799602A (en) * | 2012-04-26 | 2012-11-28 | 新奥特（北京）视频技术有限公司 | Method and system for acquiring data from Internet |
| CN102879458A (en) * | 2012-08-07 | 2013-01-16 | 包胜 | Damage detector based on piezomagnetic effect |
| CN103067941A (en) * | 2012-12-26 | 2013-04-24 | 武汉大学 | Multivariable distributed type online monitoring system based on wireless sensor network |
| CN104503422A (en) * | 2014-11-17 | 2015-04-08 | 济南铁路局 | Remote monitoring maintenance method for GYK equipment |
| CN111707931A (en) * | 2020-07-23 | 2020-09-25 | 国网上海市电力公司 | Real-time single board working state information acquisition system and method |
| CN112611795A (en) * | 2020-12-28 | 2021-04-06 | 北京首创大气环境科技股份有限公司 | TVOC monitoring method based on TVOC monitor |
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2005
- 2005-11-07 CN CN 200520130569 patent/CN2852542Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141395A (en) * | 2011-01-04 | 2011-08-03 | 西安工程大学 | ZigBee-based system and method for monitoring wind drift of power transmission line on line |
| CN102799602A (en) * | 2012-04-26 | 2012-11-28 | 新奥特（北京）视频技术有限公司 | Method and system for acquiring data from Internet |
| CN102799602B (en) * | 2012-04-26 | 2018-03-16 | 新奥特（北京）视频技术有限公司 | A kind of method and system that data are obtained from internet |
| CN102879458A (en) * | 2012-08-07 | 2013-01-16 | 包胜 | Damage detector based on piezomagnetic effect |
| CN102879458B (en) * | 2012-08-07 | 2014-12-31 | 包胜 | Damage detector based on piezomagnetic effect |
| CN103067941A (en) * | 2012-12-26 | 2013-04-24 | 武汉大学 | Multivariable distributed type online monitoring system based on wireless sensor network |
| CN103067941B (en) * | 2012-12-26 | 2016-04-13 | 武汉大学 | Based on the multivariable distributed on line monitoring system of radio sensing network |
| CN104503422A (en) * | 2014-11-17 | 2015-04-08 | 济南铁路局 | Remote monitoring maintenance method for GYK equipment |
| CN111707931A (en) * | 2020-07-23 | 2020-09-25 | 国网上海市电力公司 | Real-time single board working state information acquisition system and method |
| CN111707931B (en) * | 2020-07-23 | 2023-12-01 | 国网上海市电力公司 | Real-time single board working state information acquisition system and method |
| CN112611795A (en) * | 2020-12-28 | 2021-04-06 | 北京首创大气环境科技股份有限公司 | TVOC monitoring method based on TVOC monitor |
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