CN211698645U - Power transmission line state monitoring system based on multiple sensors - Google Patents
Power transmission line state monitoring system based on multiple sensors Download PDFInfo
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- CN211698645U CN211698645U CN201922055561.2U CN201922055561U CN211698645U CN 211698645 U CN211698645 U CN 211698645U CN 201922055561 U CN201922055561 U CN 201922055561U CN 211698645 U CN211698645 U CN 211698645U
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Abstract
The utility model discloses a transmission line state monitoring system based on multisensor, include: the system comprises a data acquisition module, a single chip microcomputer, a wireless transmission module, an alarm system, a power supply module and an upper computer; the data acquisition module is used for acquiring the running state data of the power transmission line, sending the data to the single chip microcomputer through the serial port for processing, transmitting the processed data in real time through the wireless transmission module, controlling the alarm module by the single chip microcomputer, giving an alarm when the circuit is abnormal, providing electric energy for the work of the device through the power supply module, and generating an early warning grade and giving an early warning through the upper computer. The utility model discloses be in the same place a plurality of module integrations, in time acquire data and analysis and reachs early warning grade and show. The problem of traditional monitoring devices bulky, the installation difficulty that each module dispersion leads to is solved, the precision is high, the low power dissipation, efficient, the real-time nature is strong.
Description
Technical Field
The utility model relates to a transmission line monitoring technology field especially relates to a transmission line state monitoring system based on multisensor.
Background
With the rapid development of the power industry, the scale and coverage of the power grid in China are continuously enlarged, and the power resources and the environment of the power grid line are increasingly complex. The transmission line faults caused by severe environment cause great loss and huge economic loss to a power transmission system every year, so that the parameter monitoring of the transmission line is very necessary. The method has the advantages that various data are uploaded in real time, the state of the power transmission line is monitored, hidden dangers of accidents are found as soon as possible and eliminated in time, the power transmission line can run normally, safely and reliably, and the method has great significance for good and fast development of national economy.
Originally, the detection of the condition of the power transmission line is mainly manual inspection and field measurement, but the power transmission line is often erected in areas with rare people and inconvenient traffic, the labor intensity and the danger coefficient of inspection personnel are increased, meanwhile, the data acquisition is greatly influenced by subjectivity, and the timeliness and the accuracy are lacked. Later the advent of drone technology, greatly alleviated these problems. But at present because unmanned aerial vehicle technique still is in the stage of just developing, it has the technology immature, and duration is limited scheduling problem leads to its unable continuous operation, so often only can use the mode that unmanned aerial vehicle patrolled and examined when emergent patrolling and examining.
The transmission line state generally comprises the icing rate, the windage yaw of a lead, insulator pollution flashover, tower pole collapse and the like. These conditions are determined by temperature and humidity, wind speed and direction, rainfall, air quality, wire tension slope variation, vegetation, terrain, etc. The traditional monitoring device obtains the data through a plurality of scattered sensors, the power consumption is high, meanwhile, the whole device is large and complex, and certain difficulty is brought to installation personnel. In addition, the current power grid state monitoring system is also extremely unstable, data are sometimes not available, partial devices are extremely easy to damage, and the monitoring efficiency is low.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: to above problem, the utility model provides a transmission line state monitoring system through reasonable structural design, makes the system become a whole, has solved the installation difficulty problem that traditional monitoring devices is bulky, each module dispersion leads to, has the advantage that the precision is high, the integrated level is high, all-weather work, data real-time transport.
The technical scheme is as follows: for realizing the purpose of the utility model, the utility model adopts the technical proposal that:
a power transmission line state monitoring system comprises a data acquisition module, a single chip microcomputer, a wireless transmission module, an alarm module, an upper computer and a power supply module; the data acquisition module is arranged on the electric tower, connected with the single chip microcomputer and used for acquiring meteorological data and transmitting the acquired meteorological data to the single chip microcomputer; the single chip microcomputer is connected with the data acquisition module through a serial port and is used for processing data transmitted by the data acquisition module and instruction data sent by the upper computer; the wireless transmission module is connected with the single chip microcomputer through a serial port, is wirelessly connected with the upper computer and is used for transmitting data sent by the single chip microcomputer and receiving data sent by the upper computer; the alarm module is connected with the singlechip and used for receiving the instruction of the singlechip and starting alarm when the circuit state is abnormal; the upper computer is used for receiving, processing and displaying data sent by the wireless transmission module, generating fault grades according to the power grid fault grade model, carrying out grading early warning, and transmitting early warning instructions to the single chip microcomputer through the wireless transmission module; and the power supply module is used for supplying power to the system.
Further, the data acquisition module comprises a wind speed sensor, a rainfall sensor, a temperature and humidity sensor and an air quality sensor; the wind speed sensor, the rainfall sensor, the air quality sensor and the temperature and humidity sensor are placed on the electric tower, are respectively connected with the single chip microcomputer, and are used for collecting meteorological data and transmitting the data to the single chip microcomputer;
furthermore, the data acquisition module also comprises a tension sensor, and the tension sensor is respectively connected with the electric wire and the single chip microcomputer and is used for acquiring deformation data of the power transmission line and transmitting the data to the single chip microcomputer.
Furthermore, the data acquisition module also comprises an inclination angle sensor, wherein the inclination angle sensor is arranged at the junction of the insulator, is connected with the single chip microcomputer and is used for acquiring windage yaw angle data and transmitting the data to the single chip microcomputer.
Furthermore, the data acquisition module also comprises a camera, the camera is arranged at the top end of the electric tower and used for acquiring images and video data of a line environment, and the camera is connected with the single chip microcomputer and used for transmitting the images and the video data to the single chip microcomputer.
Preferably, the wind speed sensor uses a PH100SX digital wind speed sensor.
Preferably, the rainfall sensor uses a JD05 rainfall sensor.
Preferably, the temperature and humidity sensor is a DHT11 temperature and humidity sensor.
Preferably, the air quality sensor uses a PMS7003 dust sensor.
Preferably, the tension sensor uses a FBG-S1 patch type strain sensor.
Preferably, the inclination angle sensor adopts an AS5047U magnetic angle sensor.
Preferably, the camera uses an OV7670 camera.
Preferably, the single chip microcomputer adopts an STM32F103VBT6 single chip microcomputer.
Further, the wireless transmission module adopts a GPRS DTU module. The GPRS DTU module is connected with the singlechip through a serial port to acquire processed data and send the data and the geographical position information to the Internet; the upper computer acquires, processes and displays data and images from the Internet, generates fault levels according to the power grid fault level model, and gives early warning to each fault level. The meteorological department, the power station and the disaster monitoring department can directly acquire relevant data in real time from the Internet.
Further, the alarm module adopts a light alarm device, is connected with the singlechip and controls alarm through the singlechip.
Further, the power supply module comprises a solar cell panel and a storage battery and is used for supplying power to the data acquisition module, the single chip microcomputer, the alarm module and the wireless transmission module.
The utility model discloses data transfer that will all kinds of sensors and camera gather handles to the singlechip, the singlechip will handle data and geographical position information transfer and send to the Internet net and reach the host computer to GPRS DTU module, the host computer restores to the throne to data, the storage, the show, and show the early warning according to trouble level model result and positional information demonstration on electronic map, give device feedback instruction simultaneously through GPRS DTU module, each factor threshold value is predetermine to the singlechip, light alarm scintillation when data appear unusually reports to the police, the instruction of host computer feedback also can be controlled light alarm to report to the police simultaneously.
Has the advantages that: compared with the prior art, the technical scheme of the utility model following profitable technological effect has:
compare in artifical transmission line monitoring, it is complicated to consider that electric wire netting transmission line is located the environment, and the artifical monitoring degree of difficulty is big, and the data of gathering simultaneously easily receives subjective factor to influence, leads to the error, and the real-time is relatively poor, the utility model discloses a sensor is measured, and singlechip processing data, GPRS DTU module real-time transmission have guaranteed transmission line state monitoring's high efficiency, accuracy and real-time.
Compare in current transmission line monitoring devices, only acquire meteorological information around the transmission line, can not reflect the transmission line state comprehensively, the utility model discloses a camera, force sensor and angular transducer monitor the pulling force of environmental information around the transmission line and circuit, angle change information, and the information that obtains is more comprehensive, and data analysis result is more accurate. The utility model discloses monitor transmission line multiple data, data reliability is high, and is rational in infrastructure, easily installs, and the early warning shows directly perceived clarity, has real-time, continuation, high efficiency simultaneously.
Drawings
FIG. 1 is an overall structure diagram of the embodiment of the present invention;
fig. 2 is a diagram of the GPRS principle structure of the embodiment of the present invention;
fig. 3 is a flow chart of data processing of the upper computer according to the embodiment of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in figure 1, a transmission line state monitoring system, including air velocity transducer, rainfall sensor, temperature and humidity sensor, air quality sensor, force sensor, inclination sensor, camera, singlechip, light alarm, GPRS DTU module and power module.
The wind speed sensor, the rainfall sensor, the air quality sensor and the temperature and humidity sensor are arranged on the electric tower, so that meteorological data can be acquired; the tension sensor is connected with the electric wire to realize the acquisition of the deformation data of the electric transmission line; the inclination angle sensor is arranged at the junction of the insulator to realize the acquisition of windage yaw angle data; the camera is arranged at the top end of the electric tower, so that the acquisition of environmental image data is realized.
The wind speed sensor uses a PH100SX digital wind speed sensor.
The rainfall sensor uses a JD05 rainfall sensor.
The temperature and humidity sensor adopts a DHT11 temperature and humidity sensor.
The air quality sensor adopts a PMS7003 dust sensor.
The tension sensor uses a FBG-S1 patch type strain sensor.
The tilt sensor employs AS5047U high resolution magnetic angle sensor.
The camera uses an OV7670 camera. The working principle of the device is that light irradiates a photosensitive array to generate corresponding charges, the charges are transmitted to an analog signal processing unit, and then are converted into digital signals by an A/D converter for transmission. The OV7670 camera has the advantages of small volume, low working voltage, high sensitivity and support of an I2C interface.
The single chip microcomputer receives data transmitted by the sensor and the camera through the serial port to process, and determines whether to start the light alarm or not according to a preset threshold value and a received instruction of the upper computer. The embodiment adopts STM32F103VBT6 singlechip, STM32 series singlechip adopts the ARM kernel that uses the most extensively at present, has integrated very abundant interface, communication module and other functional module, and the development instrument is complete, and development data is also abundant, has these three kinds of modes of dormancy, standby, stop, has high performance, low cost, low-power consumption, advantage with strong real-time nature, is the first big microcontroller brand in china at present.
The GPRS DTU is connected with the single chip microcomputer through a serial port, data and geographical position information processed by the single chip microcomputer are sent to the Internet and finally reach the upper computer, and meanwhile, an instruction sent by the upper computer is sent to the single chip microcomputer. The GRPS module in this embodiment uses SIM900A, and the GPRS signal has a wide coverage range, a fast and stable transmission speed, and is suitable for transmitting a small amount of data in real time. Meanwhile, GPRS supports TCP/IP protocol and can be easily connected to Internet, as shown in fig. 2, the GPRS structure is mainly divided into a radio access part and a core network part, and the radio access part is used for controlling a user to access to a mobile communication network through radio. The core network GSN relays data transmission between the base station subsystem and the border gateway of the standard data communication network, and includes two parts, SGSN and GGSN. The SGSN is mainly used for transferring data packets for mobile stations within its geographical area, and corresponds to a routing node in the wireless network, and the location register of the SGSN holds location information. The GSGN is a gateway of the whole GPRS network, and is located between the GPRS network and an external packet switched network (Internet), so that data can be shared to various required departments, such as a weather bureau, a power bureau, and a disaster monitoring center.
The upper computer receives, processes, stores and displays data, generates fault levels according to the power grid fault level model, performs grading early warning on the electronic map, and sends early warning instructions to the single chip microcomputer. The upper computer receives data from the Internet, and the receiving process is shown in fig. 3. Before the upper computer receives data, the upper computer performs initialization operation on an interface and a socket and then waits for receiving a data packet. After the data packet is received, firstly judging the legality of the data packet, then judging, extracting and storing weather/line data or image data according to the type of the data packet, updating an interface of the weather/line or image information, determining whether to perform early warning according to a fault level model result, and finally returning to a state waiting for acceptance. The upper computer stores line data by adopting an Oracle database. Oracle can store a large amount of data, and circuit state monitoring is a long-term process, can accumulate long-time data, and the data volume is great. Meanwhile, Oracle has high safety and high processing speed. Oracle is in the leading position in the field of databases all the time, and because of the continuous update of advanced technologies, the current Oracle product covers a very wide range and becomes one of the most widely used relational data systems in the world.
The light alarm is connected with the single chip microcomputer and used for giving an alarm when the line state is abnormal; the embodiment adopts YS01F audible and visual alarm; the YS01F small audible and visual alarm inner core adopts an advanced special integrated circuit design, and has the characteristics of strong anti-interference capability and stable work; the flash lamp is manufactured by using the current popular LED lamp tube, so that the service life of the lamp tube is greatly prolonged; and the YS01F has the advantages of light weight, water resistance, strong shock resistance and convenience in installation.
And the power supply module supplies power to the sensor, the camera, the light alarm and the singlechip. The power supply module adopts a mode of combining the storage battery and the solar energy, so that the monitoring system can still continuously work under the condition that the power transmission line breaks down, and the real-time transmission of data is ensured.
Claims (10)
1. A transmission line state monitoring system is characterized in that: the wireless alarm system comprises a data acquisition module, a single chip microcomputer, a wireless transmission module, an alarm module, an upper computer and a power supply module; the data acquisition module is arranged on the electric tower, connected with the single chip microcomputer and used for acquiring meteorological data and transmitting the acquired meteorological data to the single chip microcomputer; the single chip microcomputer is connected with the data acquisition module through a serial port and is used for processing data transmitted by the data acquisition module and instruction data sent by the upper computer; the wireless transmission module is connected with the single chip microcomputer through a serial port, is wirelessly connected with the upper computer and is used for transmitting data sent by the single chip microcomputer and receiving data sent by the upper computer; the alarm module is connected with the singlechip and used for receiving the instruction of the singlechip and starting alarm when the circuit state is abnormal; the upper computer is used for receiving, processing and displaying data sent by the wireless transmission module, generating fault grades, carrying out grading early warning, and transmitting an early warning instruction to the single chip microcomputer through the wireless transmission module; and the power supply module is used for supplying power to the system.
2. The power transmission line state monitoring system according to claim 1, characterized in that: the data acquisition module comprises a wind speed sensor, a rainfall sensor, a temperature and humidity sensor and an air quality sensor; the wind speed sensor, the rainfall sensor, the air quality sensor and the temperature and humidity sensor are placed on the electric tower, are respectively connected with the single chip microcomputer, and are used for collecting meteorological data and transmitting the data to the single chip microcomputer.
3. The power transmission line state monitoring system according to claim 2, characterized in that: the data acquisition module further comprises a tension sensor and an inclination angle sensor, the tension sensor is respectively connected with the electric wire and the single chip microcomputer and used for acquiring deformation data of the power transmission line, and the inclination angle sensor is arranged at the insulator junction and connected with the single chip microcomputer and used for acquiring windage yaw angle data and transmitting the data to the single chip microcomputer.
4. The power transmission line state monitoring system according to claim 2, characterized in that: the data acquisition module further comprises a camera, the camera is arranged at the top end of the electric tower and used for acquiring images and video data of a line environment, and the camera is connected with the single chip microcomputer and used for transmitting the images and the video data to the single chip microcomputer.
5. The power transmission line state monitoring system according to claim 3, characterized in that: the FBG-S1 patch type strain sensor is used as the tension sensor; the tilt sensor adopts an AS5047U magnetic angle sensor.
6. The power transmission line state monitoring system according to claim 4, characterized in that: the camera uses an OV7670 camera.
7. The power transmission line condition monitoring system according to any one of claims 2-6, characterized in that: the wind speed sensor adopts a PH100SX digital wind speed sensor; the rainfall sensor uses a JD05 rainfall sensor; the temperature and humidity sensor adopts a DHT11 temperature and humidity sensor; the air quality sensor adopts a PMS7003 dust sensor.
8. The power transmission line state monitoring system according to claim 1, characterized in that: the single chip microcomputer adopts an STM32F103VBT6 single chip microcomputer; the wireless transmission module adopts a SIM900A GRPS module.
9. The power transmission line state monitoring system according to claim 1, characterized in that: the alarm module adopts a light alarm device, is connected with the singlechip and controls alarm through the singlechip.
10. The power transmission line state monitoring system according to claim 1, characterized in that: the power supply module comprises a solar cell panel and a storage battery and is used for supplying power to the data acquisition module, the single chip microcomputer, the alarm module and the wireless transmission module.
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| CN201922055561.2U CN211698645U (en) | 2019-11-25 | 2019-11-25 | Power transmission line state monitoring system based on multiple sensors |
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| CN201922055561.2U CN211698645U (en) | 2019-11-25 | 2019-11-25 | Power transmission line state monitoring system based on multiple sensors |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115951170A (en) * | 2022-12-16 | 2023-04-11 | 中国南方电网有限责任公司超高压输电公司广州局 | Power transmission line fault monitoring method and device, computer equipment and storage medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115951170A (en) * | 2022-12-16 | 2023-04-11 | 中国南方电网有限责任公司超高压输电公司广州局 | Power transmission line fault monitoring method and device, computer equipment and storage medium |
| CN115951170B (en) * | 2022-12-16 | 2024-04-02 | 中国南方电网有限责任公司超高压输电公司广州局 | Power transmission line fault monitoring method, device, computer equipment and storage medium |
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