CN209069329U - A kind of distribution line pole tower state monitoring apparatus - Google Patents
A kind of distribution line pole tower state monitoring apparatus Download PDFInfo
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Abstract
The utility model provides the distribution line pole tower state monitoring apparatus based on sensing network in electric system, including distribution line shaft tower, sensor device is installed on the distribution line shaft tower, data acquisition device, data storage device and communication device and the power supply device for playing the role of energy supply, sensor device acquires status data for data acquisition device, the difference of its quantity and placement position can be utilized by monitoring sensor by shaft tower stress, detect the stress of distribution line shaft tower different location, such as the tower head of distribution line shaft tower, tower body, tower leg, the stress of conducting wire cross-arm and landform cross-arm；Utilize time service device by two kinds of real time data synchronizations later, data are stored by data acquisition device into data storage device again, finally sent using communication device, the stress monitoring under distribution line pole different location varying environment is realized, so as to prepare to evaluate wind resistance, the wind-proof performance of different tower-shaped distribution line shaft towers.
Description
Technical Field
The utility model belongs to the technical field of power system disaster prevention and reduction, in particular to distribution lines shaft tower state monitoring devices based on sensing network among the power system.
Background
China is wide in territory, complex and changeable in geographic environment and quite different in climatic conditions, and is a great test for the operation of a power grid. Distribution lines are located in complicated areas and complicated terrains, so that distribution network overhead line towers are various in form. Different tower structures result in different areas of tower material subjected to different stresses under the action of typhoons. This results in different tower-type towers having different disaster-affected parts during the same typhoon.
At present, a power system pays particular attention to the reliability of a distribution network and disaster conditions under extreme weather conditions such as typhoons; however, the traditional online monitoring means of the distribution network mainly focuses on electrical performance, and stress system monitoring in different areas of a tower is lacked. In order to accurately evaluate the wind resistance and the wind resistance of towers of different turriform distribution lines, stress monitoring at different positions needs to be carried out synchronously. Therefore, the distribution line tower state monitoring device based on the sensing network in the power system is provided.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model discloses a distribution line pole tower, which is provided with a sensor device, a data acquisition device, a data storage device, a data analysis device, a communication device and a power supply device which plays a role in energy supply; wherein,
the sensor device is used for monitoring the environmental state of the tower and the stress state of the tower;
the data acquisition device is used for acquiring state data in the sensor device;
the data storage device is used for storing and storing state data and supplying the state data to the data analysis device for analysis and processing at any time;
the communication device is used for sending the state data to the data analysis device;
the data analysis device is used for receiving the state data and carrying out overall analysis and processing on the historical state data stored in the data storage device through the communication device.
Preferably, the sensor devices are all MEMS sensors.
Preferably, the sensor device comprises a tower environment sensor and/or a tower stress state monitoring sensor, and the tower environment sensor and the tower stress state monitoring sensor collect tower environment state data and tower stress state data.
Preferably, a time service device is connected between the tower environment sensor and the tower stress state monitoring sensor, so that the measurement of the tower environment sensor and the measurement of the tower stress state monitoring sensor are synchronous.
Preferably, the tower stress state monitoring sensor is an MEMS acceleration sensor.
Preferably, shaft tower environmental sensor includes at least one in temperature sensor, humidity transducer, baroceptor, wind speed and direction sensor and the rainfall sensor, utilizes temperature sensor, humidity transducer, baroceptor, wind speed and direction sensor and rainfall sensor can monitor out temperature, humidity, wind pressure, atmospheric pressure, wind speed, wind direction and rainfall respectively, wherein baroceptor monitors two kinds of environmental conditions of wind pressure and atmospheric pressure, wind speed and direction monitoring two kinds of environmental conditions.
Preferably, the air pressure sensor is a piezoresistive MEMS pressure sensor.
Preferably, the wind speed and direction sensor adopts an MEMS thermal type wind speed and direction sensor.
Preferably, the tower stress state monitoring sensor can monitor at least one of five different position stress states of a tower head, a tower body, tower legs, a wire cross arm and a terrain cross arm according to different positions and different quantities.
Preferably, the data storage mode of the data storage device is magnetic disk storage or flash card storage.
Preferably, the communication device receives data from microclimate monitoring devices of other towers in the local area.
Preferably, the power supply device includes a main battery solar cell and a backup battery storage cell.
Preferably, the communication device adopts a data transmission mode, and the transmission mode adopts a wired or wireless data transmission mode.
The utility model can monitor various environmental states such as temperature, humidity, wind pressure, air pressure, wind speed, wind direction and rainfall in the tower environment through the tower environment sensor; the stress states of different positions of the distribution line tower can be monitored by using different numbers and placing positions of the tower stress state monitoring sensors, such as stress states of tower heads, tower bodies, tower legs, lead cross arms and terrain cross arms of the distribution line tower; afterwards, the two kinds of data are synchronized in real time by utilizing the time service device, the data are stored in the data storage device through the data acquisition device, and finally the data are sent to the data analysis device by utilizing the communication device, the data analysis device can analyze the relation between the state data, so that the stress monitoring of the distribution line pole in different positions and under different environments is realized, and the wind resistance of different tower-shaped distribution line poles and towers can be prepared to be evaluated.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a distribution line pole tower state monitoring device based on a sensing network in an electric power system according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a generating unit in embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of a generating unit in embodiment 3 of the present invention;
fig. 4 is a schematic structural diagram of a generating unit in embodiment 4 of the present invention;
fig. 5 is a schematic structural diagram of a generating unit in embodiment 5 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1, the time service device can synchronize the environmental state of the tower and the stress state of the distribution line tower at different positions with time as a reference, and provides a foundation for accurately evaluating the wind resistance and the wind resistance of the distribution line tower with different towers. The staff can look over and monitor environment data such as temperature, humidity, wind pressure, atmospheric pressure, wind speed, wind direction and rainfall that communication device sent through wireless data transmission mode and atress data such as tower head, body of the tower, tower leg, wire cross arm and topography cross arm, provides convenient for staff's work.
Furthermore, the data acquisition device is based on a communication device of a remote data acquisition device platform, and a communication chip, a storage chip and the like are integrated on a circuit board, so that the data acquisition device has the functions of sending and receiving short messages through the remote data acquisition device platform, voice communication, data transmission and the like.
Further, the sensor devices all adopt MEMS sensors, and have the advantages that: high accuracy, wide flow detection range, suitability for flow measurement of various requirements, small performance deviation, high sensitivity, high frequency, small size and long service life.
Furthermore, the tower environment sensor comprises at least one of a temperature sensor, a humidity sensor, an air pressure sensor, a wind speed and direction sensor and a rainfall sensor, and the corresponding environment sensor can be installed according to actual monitoring and evaluation requirements.
Furthermore, the tower stress state monitoring sensor can monitor at least one of the stress states of the tower head, the tower body, the tower legs, the wire cross arm and the terrain cross arm at five different positions through different placement and different quantity of the tower stress state monitoring sensor, and the tower stress state monitoring sensors with different quantities can be placed according to actual monitoring requirements, so that the stress state of the position of the tower required is monitored, and the evaluation requirement is met.
Furthermore, the data storage device adopts a flash memory storage mode for storage, and compared with the traditional magnetic disk, the flash memory has the advantages of high read-write speed, lower power consumption and convenience in reading. The data storage device is used for storing and storing state data and supplying the state data to the data analysis device for analysis and processing at any time.
Furthermore, the communication device receives data from microclimate monitoring devices of other towers in a local area, the monitoring devices are a set of multi-element microclimate monitoring devices designed for monitoring local meteorological environments of power transmission line corridors, collected meteorological parameters (such as temperature, humidity, wind pressure, air pressure, wind speed, wind direction, rainfall and the like) and change conditions of the meteorological parameters are transmitted to the central monitoring and analyzing system in real time through a 3G/GPRS/CDMA network, and when abnormal conditions occur, the system can send out pre-alarm information in multiple modes to prompt managers to take necessary preventive measures or give attention to alarm points.
Furthermore, power supply unit includes main battery solar cell and backup battery, can absorb the light energy in the environment through solar cell to for each device and apparatus power supply, backup battery's battery can prevent to supply power for each device and apparatus under the not enough condition of sunshine irradiation, guarantees the normal operating of device. For example, in Yunnan Kunming, where the sunshine duration is long, a solar cell is used as a main power supply to supply power to all devices and apparatuses; however, when Yunnan Kunming enters rainy seasons or is in long rainy days, the speed of the solar cell absorbing light energy is lower than the speed of the solar cell consuming energy, and at the moment, the standby battery is used for supplying power to all devices and instruments, so that the normal operation of the devices is ensured.
Furthermore, the communication device adopts a wireless data transmission mode, monitoring personnel can check the data recorded in the data storage device at any time and any place, and monitoring and evaluation work of the monitoring personnel is facilitated. Due to the fact that the region difference is complex, when the local shape is complex, redundant work caused by wiring can be avoided through the wireless data transmission mode, and labor cost is saved.
The utility model discloses in communication device is used for sending state data to data analysis device. The data analysis device is used for receiving the state data and carrying out overall analysis and processing on the historical state data stored in the data storage device through the communication device. The utility model discloses in data analysis device can be the server, for example arrange the data server in the high in the clouds for the permanent storage of data, and further deep analysis.
Example 2:
as shown in fig. 1 and fig. 2, according to the shape of the tower and the environmental conditions around the tower, the sensor device only comprises a temperature sensor and a tower stress state monitoring sensor, the tower stress state monitoring sensor is installed at the tower head, and the temperature of the environment and the stress of the tower head can be monitored in different time periods. For example: morning 2 o' clock, ambient temperature: 18 ℃; the tower head is stressed: 241N per square meter.
Example 3:
as shown in fig. 1, fig. 3 and fig. 4, according to the shape of the tower and the environmental conditions around the tower, the sensor device includes a temperature sensor, a humidity sensor and a tower stress state monitoring sensor, and the tower stress state monitoring sensor is installed at the tower head and can monitor the temperature and humidity of the environment and the stress of the tower head part at different time periods. For example: 8 am 15 min, ambient temperature: 12 ℃; ambient humidity (relative): 40 percent; the tower head is stressed: 170N per square meter;
in addition, the sensor device can further comprise a temperature sensor, a humidity sensor, an air pressure sensor, a wind speed and direction sensor, a rainfall sensor and a tower stress state monitoring sensor, wherein the tower stress state monitoring sensor is installed at the tower head and can monitor the temperature, the humidity, the wind pressure, the air pressure, the wind speed, the wind direction, the rainfall and the stress of the tower head part of the environment at different time periods. For example: 30 am, ambient temperature: 20 ℃; ambient humidity (relative): 34 percent; ambient wind pressure (n ═ 10: 0.65); ambient air pressure: 0.84 standard atmospheres; ambient wind speed: 8.35 m/s; wind direction: the northeast; environmental rainfall (8 this day to 8 the next day): 7 mm; the tower head is stressed: 153N per square meter.
Example 4:
according to the shape of the tower and the environmental conditions around the tower, the sensor device comprises a temperature sensor, a humidity sensor, an air pressure sensor, a wind speed and direction sensor, a rainfall sensor and tower stress state monitoring sensors, wherein the tower stress state monitoring sensors are respectively arranged at the positions of a tower head, a tower body, tower legs, a wire cross arm, a terrain cross arm and the like, and can monitor the environmental temperature, humidity, wind pressure, air pressure, wind speed, wind direction, rainfall, the stress of the tower head, the tower body, the tower legs, the wire cross arm and the terrain cross arm in different time periods. For example: afternoon, 45 minutes, ambient temperature: 24 ℃; ambient humidity (relative): 37 percent; ambient wind pressure (n ═ 10): 0.55; ambient air pressure: 0.82 standard atmospheres; ambient wind speed: 8.35 m/s; wind direction: rightly in the north; environmental rainfall (8 this day to 8 the next day): 6 mm; the tower head is stressed: 153N per square meter; the tower body is stressed: 149N per square meter; the tower leg stress is 145N/square meter; wire cross arm 224: 120N per square meter; terrain crossarm 225: 97 per square meter.
For the same tower shape, the influence of various environmental state parameters on the stress of each part of the distribution line tower is analyzed by using the monitored data, and the method is a basis for accurately evaluating the wind resistance and the wind resistance of the distribution line tower under different environments.
To sum up, this state monitoring device can be complicated changeable in geographical environment, under the environment that climatic conditions differ, according to actual observation and aassessment needs, according to the size of turriform structure, the difference of distribution lines shaft tower place environment, the tower head to the shaft tower, the body of the tower, the tower leg, the stress of position such as wire cross arm and topography cross arm is measured, record and transmission, to the temperature of distribution lines shaft tower place environment, humidity, the wind pressure, atmospheric pressure, the wind speed, environmental parameter such as wind direction and rainfall are measured, record and transmission, through data analysis device, utilize the data that obtain can be accurate aassessment out different turriforms, the anti-wind of distribution lines shaft tower under the different environment, prevent wind performance, concentrate on the basis of electric property with traditional distribution network on-line monitoring, have the progressive meaning.
The realization of the distribution line pole tower state monitoring device based on the sensing network in the electric power system,
s1, installing a pole tower environment sensor, a pole tower stress state monitoring sensor, a time service device, a data acquisition device, a data storage device, a communication device and an external microclimate online monitoring device on a distribution line pole tower;
the power supply device supplies power to each device, the power supply device comprises a main battery solar cell and a backup battery storage battery, the solar cell can absorb light energy in the environment so as to supply power to each device and instrument, and the backup battery storage battery can prevent power from being supplied to each device and instrument under the condition of insufficient sunlight irradiation, so that the normal operation of the device is ensured;
the tower environment sensor comprises at least one of a temperature sensor, a humidity sensor, an air pressure sensor, a wind speed and direction sensor and a rainfall sensor; the quantity of shaft tower stress state monitoring sensor is more than one, and shaft tower stress state monitoring sensor can be installed in positions such as tower head, body of the tower, tower leg, wire cross arm and topography cross arm according to the needs of control and aassessment.
And S2, synchronizing the environmental state of the tower and the stress state of the distribution line tower at different positions in two different dimensions by using time as a reference through the time service device.
S3, the data acquisition device acquires state data in the sensor device, including environment state data such as environment temperature, humidity, wind pressure, air pressure, wind speed, wind direction and rainfall monitored by the tower environment sensor, and stress state data of positions such as a tower head, a tower body, tower legs, a wire cross arm and a terrain cross arm monitored by the tower stress state monitoring sensor.
S4, the data storage device stores the state data in the step S3.
And S5, the communication device sends the state data stored in the data storage device to the data analysis device in a wireless data transmission or wired data transmission mode, the data analysis device processes the tower environment state data and the tower stress state data and analyzes the relation between the two state data, and therefore the wind resistance and the wind resistance of the towers of different tower-shaped distribution lines are accurately evaluated. The wireless data transmission mode is an efficient and rapid data transmission mode, and compared with a wired data transmission mode, the wireless data transmission mode can be used for disregarding the complexity of the terrain and avoiding the workload caused by wiring in wired data transmission; meanwhile, the communication device receives data of the external microclimate online monitoring device and sends the data to the data analysis device for processing and comparative analysis.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (12)
1. A state monitoring device for a distribution line tower comprises the distribution line tower and is characterized in that,
the distribution line pole tower is provided with a sensor device, a data acquisition device, a data storage device, a data analysis device, a communication device and a power supply device which plays a role in energy supply; wherein,
the sensor device is used for monitoring the environmental state of the tower and the stress state of the tower;
the data acquisition device is used for acquiring state data in the sensor device;
the data storage device is used for storing and storing state data and supplying the state data to the data analysis device for analysis and processing at any time;
the communication device is used for sending the state data to the data analysis device;
the data analysis device is used for receiving the state data and carrying out overall analysis and processing on the historical state data stored in the data storage device through the communication device.
2. The distribution line tower state monitoring device according to claim 1, wherein the sensor devices are all MEMS sensors.
3. The distribution line pole tower state monitoring device according to claim 1, wherein the sensor device comprises a pole tower environment sensor and/or a pole tower stress state monitoring sensor, and the pole tower environment sensor and the pole tower stress state monitoring sensor collect pole tower environment state data and pole tower stress state data.
4. The distribution line pole tower state monitoring device of claim 3, wherein a time service device is connected between the pole tower environment sensor and the pole tower stress state monitoring sensor, so that the measurement of the pole tower environment sensor and the measurement of the pole tower stress state monitoring sensor are synchronous.
5. The distribution line tower state monitoring device according to claim 3, wherein the tower stress state monitoring sensor is an MEMS acceleration sensor.
6. The distribution line tower state monitoring device according to claim 3, wherein the tower environment sensor comprises at least one of a temperature sensor, a humidity sensor, an air pressure sensor, a wind speed and direction sensor and a rainfall sensor, wherein the air pressure sensor monitors two environment states of wind pressure and air pressure, and the wind speed and direction sensor monitors two environment states of wind speed and wind direction.
7. The distribution line tower state monitoring device according to claim 6, wherein the air pressure sensor is a piezoresistive MEMS pressure sensor, and the wind speed and direction sensor is an MEMS thermal wind speed and direction sensor.
8. The distribution line tower state monitoring device according to claim 3, wherein the tower stress state monitoring sensors can monitor at least one of the tower head, the tower body, the tower legs, the wire cross arm and the terrain cross arm in stress states at different positions according to different positions and different quantities.
9. The device for monitoring the state of the distribution line tower according to claim 1, wherein the data storage mode of the data storage device is a magnetic disk storage mode or a flash memory card storage mode.
10. The distribution line tower condition monitoring device according to claim 1, wherein the communication device receives data from microclimate monitoring devices of other towers in the local area.
11. The distribution line tower state monitoring device according to claim 1, wherein the power supply device comprises a main battery solar cell and a backup battery storage cell.
12. The device for monitoring the state of the distribution line tower according to claim 1, wherein the communication device adopts a wired or wireless data transmission mode.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801366A (en) * | 2018-08-17 | 2018-11-13 | 广东电网有限责任公司江门供电局 | Distribution line pole tower state monitoring apparatus based on sensing network and method |
| CN114166175A (en) * | 2021-12-08 | 2022-03-11 | 国网江苏省电力有限公司检修分公司 | Core deformation detection device and method for composite cross arm insulator |
| CN114838762A (en) * | 2022-04-20 | 2022-08-02 | 广东电网有限责任公司 | Abnormity monitoring method, device and equipment for power transmission line tower and storage medium |
-
2018
- 2018-08-17 CN CN201821338964.7U patent/CN209069329U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801366A (en) * | 2018-08-17 | 2018-11-13 | 广东电网有限责任公司江门供电局 | Distribution line pole tower state monitoring apparatus based on sensing network and method |
| CN114166175A (en) * | 2021-12-08 | 2022-03-11 | 国网江苏省电力有限公司检修分公司 | Core deformation detection device and method for composite cross arm insulator |
| CN114166175B (en) * | 2021-12-08 | 2024-01-23 | 国网江苏省电力有限公司检修分公司 | Core deformation detection device and method for composite cross arm insulator |
| CN114838762A (en) * | 2022-04-20 | 2022-08-02 | 广东电网有限责任公司 | Abnormity monitoring method, device and equipment for power transmission line tower and storage medium |
| CN114838762B (en) * | 2022-04-20 | 2024-03-08 | 广东电网有限责任公司 | Abnormality monitoring method, device, equipment and storage medium for transmission line tower |
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