CN214539809U - Transmission line shaft tower ground resistance monitoring devices based on accurate measurement technique - Google Patents
Transmission line shaft tower ground resistance monitoring devices based on accurate measurement technique Download PDFInfo
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Abstract
A power transmission line tower grounding resistance monitoring device based on an accurate measurement technology relates to the technical field of power transmission line monitoring, and solves the problems of low accuracy, efficiency and stability, and comprises a detection module, an operation module, a data transmission device, a storage battery, a microclimate tester, a stress sensor, a strain sensor, a fixed box, wind power generation equipment, a solar cell panel and a battery installation device; the data transmission device is connected with the detection module, the operation module, the microclimate tester, the stress sensor and the strain sensor and comprises a GPRS field intensity test module, a GPRS wireless transmission module and a Zigbee communication module; the detection module, the operation module and the data transmission device are arranged in the fixed box, and a first heating plate and a first fan are arranged in the fixed box; the storage battery is connected with the solar cell panel and the wind power generation equipment, the storage battery is installed on the battery installation device, and the storage battery is provided with a second heating plate and a second fan. The utility model discloses the accuracy is high, efficient and stability is high.
Description
Technical Field
The utility model relates to a transmission line monitoring technology field, concretely relates to transmission line shaft tower ground resistance monitoring devices based on accurate measurement technique.
Background
In power systems, it is often necessary for certain locations of electrical equipment to be connected to ground, which is ground, for safety and operational reasons. Compared with the transmission line, the iron tower is an important component along the high-voltage transmission line. Mainly plays a role in supporting, insulating and discharging high-voltage wires. The quality of the transmission line directly influences the normal operation of the transmission line. The grounding resistance is an important parameter influencing the trip rate of the power transmission line, and the grounding resistance meeting the regulation requirement is the guarantee of safely and stably transmitting power. However, because the transmission line tower is mostly located in a severe environment section, the ground resistance of the transmission line tower is easily affected by factors such as soil corrosion, dirt and the like, the ground resistance of the transmission line tower is changed, the relevant standards are not met, the line lightning protection effect is reduced, and lightning trip accidents occur, so that the monitoring of the ground resistance of the transmission line tower is of great significance. The traditional tower ground resistance measuring method mostly adopts manual measurement, such as a megger method, a clamp meter method and the like, and because the manual detection is hard and low in efficiency, the tower ground resistance is gradually measured at present, so that the problems of difficult operation, difficult management, analysis and calculation and the like in the traditional pure manual measuring mode are solved.
A device for monitoring the ground resistance in real time is introduced in a Chinese invention patent named as a transmission tower ground resistance on-line monitoring device based on a double-measurement mode, which is published in application date of 2019, 3, 15 and published in application date of CN109884400A, but analysis and simulation show that although the adopted original communication transceiver module can realize real-time transmission in most of the time, the problems of transmission delay failure and the like easily occur; especially, the position signals of part of the transmission towers are continuously poor or unstable. For lower temperatures, the accuracy of the measurement will decrease, further possibly causing a power system failure. The utility model discloses a chinese utility model patent of publication number CN203455027U application date for 2013, 09, 12 days in the year named as "a power line shaft tower integrated monitoring system", this utility model patent discloses a power line shaft tower integrated monitoring system, but through analytical research, this monitoring system has signal transmission stability and detection accuracy all to wait to improve, can't master the operating condition scheduling problem of shaft tower under the effect of external force when the relatively poor region of signal and the use in chinese north.
The transmission tower cannot bear infinite force, and the transmission tower can vibrate, swing, break, collapse and the like under the severe natural weather conditions of ice disasters, snow disasters, typhoons, earthquakes and the like; the method has important engineering significance for accurately, efficiently and stably measuring the information of the towers because the position signals carried by part of the transmission towers in the transmission tower system are poor or unstable, and the time correspondence of measured data is poor and the transmission speed is slow.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that current transmission line shaft tower ground resistance monitoring devices's accuracy, efficiency and stability remain to improve, the utility model provides a transmission line shaft tower ground resistance monitoring devices based on accurate measurement technique.
The utility model discloses a solve the technical scheme that technical problem adopted as follows:
the device for monitoring the grounding resistance of the power transmission line tower based on the accurate measurement technology comprises a detection module and an operation module, wherein the detection module is used for detecting the value of the grounding resistance; the operation module is connected with the detection module and can start the detection module; the monitoring device also comprises a data transmission device, a storage battery, a microclimate tester, a stress sensor, a strain sensor, a fixing box, wind power generation equipment, a solar cell panel and a cell installation device, wherein the microclimate tester, the stress sensor and the strain sensor are all arranged on the tower;
the data transmission device is connected with the detection module, the operation module, the microclimate tester, the stress sensor and the strain sensor and comprises a GPRS field intensity test module, a GPRS wireless transmission module and a Zigbee communication module, the data transmission device is in communication connection with the local area network centralized processing controller, and the local area network centralized processing controller controls the GPRS wireless transmission module or the Zigbee communication module to transmit information to be transmitted;
the detection module, the operation module and the data transmission device are all arranged in a fixed box, a vent with dustproof cloth is arranged on the fixed box, a first temperature sensor, a first heating plate, a first fan and a first micro-control chip are arranged in the fixed box, the first micro-control chip is connected with the first temperature sensor, the first heating plate and the first fan, the data transmission device, the detection module and the operation module are cooled by the first fan, are heated by the first heating plate and sense first temperature data to the first micro-control chip by the first temperature sensor, and the first micro-control chip controls the first heating plate or the first fan according to the first temperature data;
the storage battery is connected with the solar cell panel and the wind power generation equipment, the storage battery is installed on the battery installation device, the battery installation device is provided with a second micro control chip, a second temperature sensor for detecting the temperature of the storage battery, a second heating plate for heating the storage battery and a second fan for cooling the storage battery, and the second micro control chip is connected with the second temperature sensor, the second heating plate and the second fan.
Further, the data transmission device is connected with a power transmission line head station.
Furthermore, the storage battery supplies power for the detection module, the operation module, the data transmission device, the first temperature sensor, the first heating plate, the first fan, the first micro-control chip, the second temperature sensor, the second heating plate, the second fan, the second micro-control chip, the micro-meteorological tester, the stress sensor and the strain sensor.
Furthermore, a second temperature sensor detects the temperature of the storage battery to obtain second temperature information and sends the second temperature information to a second micro-control chip, and the second micro-control chip receives the second temperature information and controls a second heating plate or a second fan according to the second temperature information.
Further, the GPRS wireless transmission module and the Zigbee communication module are both used for transmitting the resistance data detected by the detection module.
Furthermore, the microclimate tester monitors the wind direction, the wind speed, the ambient temperature, the humidity and the pressure of the transmission tower, the wind direction signal, the wind speed signal, the temperature signal, the humidity signal and the pressure signal are obtained in a one-to-one correspondence mode, and the GPRS wireless transmission module and the Zigbee communication module are used for transmitting the wind direction signal, the wind speed signal, the temperature signal, the humidity signal and the pressure signal.
Further, a stress sensor monitors the stress of the tower to obtain stress information, and the stress information is transmitted to a power transmission line main station through a data transmission device; the strain sensor monitors the strain of the tower to obtain strain information, and the strain information is transmitted to the transmission line main station through the data transmission device.
Furthermore, the GPRS field intensity test module is used for testing the intensity of the GPRS signal.
Furthermore, the intensity of the GPRS signal tested by the GPRS field strength testing module obtains a testing result, the testing result is sent to the local area network centralized processing controller through the Zigbee communication module, the local area network centralized processing controller judges whether the testing result is greater than a set threshold value, and if the testing result is greater than the set threshold value, the local area network centralized processing controller controls the GPRS wireless transmission module to transmit information to be transmitted through the Zigbee communication module; if the test result is less than or equal to the set threshold, the local area network centralized processing controller controls the Zigbee communication module to send the information to be sent to a tower in the ZigBee local area network, wherein the GPRS signal intensity of the tower is greater than the set threshold, and the GPRS wireless transmission module of the tower transmits the information to be sent to the transmission line master station.
Furthermore, the vent is located the lower surface of fixed incasement, and first fan is installed at the upside in the fixed incasement, and first hot plate is located the rear side in the fixed incasement, and detection module, operation module and data transmission device (7) are located the front side in the fixed incasement.
The utility model has the advantages that:
1. the utility model discloses a detection module, operation module and data transmission device realize earth resistance's measurement and transmission, realize the real-time supervision of transmission line total station to shaft tower in the circuit, avoid measurement, management and analysis calculation difficulty that traditional pure manual measurement mode exists, guaranteed basic efficiency.
2. The transmission line tower grounding resistance monitoring device based on the accurate measurement technology monitors the operation state of the transmission line tower under the action of external force in real time through the strain sensor and the stress sensor, and effectively improves the management level of safe and economic operation of the transmission line tower.
3. The stable operation of guarantee transmission line through hot plate and fan etc. improves the power supply reliability, and especially the hot plate is applicable to the north, especially three provinces in the northeast, avoids appearing because the battery that the temperature is low excessively falls down the power too fast and detection module, operating module and data transmission module's damage problem, has improved detection accuracy and stability.
4. Through the data transmission device and the local area network centralized processing controller, the problem that data transmission is affected due to the fact that wireless signals in remote regions are unstable in a power transmission line tower monitoring system is solved, the stability of signal transmission is improved, the accuracy of data reference is improved, the signals are received and transmitted quickly, and the high efficiency, the safety and the reliability of the power transmission line can be improved through the cooperation of the local area network.
Drawings
Fig. 1 is the utility model discloses a transmission line shaft tower ground resistance monitoring devices's structural schematic based on accurate measurement technique.
Fig. 2 is the utility model discloses a transmission line shaft tower ground resistance monitoring devices's structure chart based on accurate measurement technique.
Fig. 3 is the utility model discloses a transmission line shaft tower ground resistance monitoring devices's the partial structure chart in the fixed box based on accurate measurement technique.
Fig. 4 is the utility model discloses a transmission line shaft tower ground resistance monitoring devices's inside side view of fixed case based on accurate measurement technique.
In the figure: 1. wind power generation equipment, 2, solar cell panel, 3, battery installation device, 4, fixed case, 5, detection module, 6, operation module, 7, data transmission device, 8, first fan, 9, first hot plate, 10, dustproof cloth, 11, vent.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Transmission line shaft tower ground resistance monitoring devices based on accurate measurement technique, as shown in figure 1, including detection module 5, operation module 6, data transmission device 7, fixed box 4, microclimate tester, stress sensor, strain sensor, wind power generation equipment 1, solar cell panel 2, battery and battery installation device 3.
The detection module 5 is used for measuring the resistance value of the grounding resistor. The operation module 6 is connected with the detection module 5 and can control the detection module 5, including starting the detection module 5 and closing the detection module 5. The data transmission device 7 is connected with the detection module 5 and the operation module 6, the data transmission device 7 is used for transmitting the resistance value of the grounding resistor measured by the detection device, namely the operation module 6 is in communication connection with the power transmission line main station, the power transmission line main station sends a signal to the operation module 6 through the data transmission device 7, and then the operation module 6 controls the detection module 5.
The microclimate tester is arranged on the tower and connected with the data transmission device 7. The microclimate tester is used for monitoring the wind direction, the wind speed, the ambient temperature, the humidity and the pressure of the transmission tower to respectively obtain a wind direction signal, a wind speed signal, a temperature signal, a humidity signal and a pressure signal, and the data transmission device 7 transmits the wind direction signal, the wind speed signal, the ambient temperature signal, the humidity signal and the pressure signal of the transmission tower monitored by the microclimate sensor to the transmission line main station. The transmission line master station can carry out accident analysis according to the wind direction signal, the wind speed signal, the environment temperature signal, the humidity signal and the pressure signal.
The stress sensor is arranged on the tower and connected with the data transmission device 7, the stress sensor monitors the stress of the tower to obtain stress information, and the stress information is transmitted to the power transmission line main station through the data transmission device 7. The strain sensor is arranged on the tower, connected with the data transmission device 7, monitors the strain of the tower to obtain strain information, and the strain information is transmitted to the transmission line main station through the data transmission device 7. And the transmission line head station can analyze the accident according to the stress information and the strain information.
The data transmission device 7 is disposed in the stationary box 4. The data transmission device 7 is also used for transmitting the signal strength to the power transmission line head station. And the tower and the transmission line main station are wirelessly transmitted through GPRS. The data transmission device 7 comprises a GPRS field intensity test module, a GPRS wireless transmission module and a Zigbee communication module. The GPRS field intensity testing module is used for testing the intensity of GPRS signals. The GPRS wireless transmission module and the Zigbee communication module are used for transmitting the resistance data detected by the detection module 5; the micro-meteorological instrument further comprises a wind direction signal, a wind speed signal, an environment temperature signal, a humidity signal and a pressure intensity signal which are all used for transmitting the micro-meteorological instrument, and further comprises a stress information and a strain information, and the information to be transmitted is used as the general name of the resistance data, the wind direction signal, the wind speed signal, the environment temperature signal, the humidity signal, the pressure intensity signal, the stress information and the strain information in the sentence. The intensity of the GPRS signal tested by the GPRS field intensity testing module obtains a testing result, the testing result is sent to the local area network centralized processing controller through the Zigbee communication module, and the local area network centralized processing controller judges whether the testing result is higher than a set threshold value, namely whether the intensity of the GPRS signal is higher than the set threshold value. If the quantity is higher than (larger than) the set threshold value, the local area network centralized processing controller controls the GPRS wireless transmission module to transmit the information to be transmitted through the Zigbee communication module; if the signal intensity is smaller than or equal to the set threshold value, the local area network centralized processing controller controls the Zigbee communication module to send the information to be sent to a tower in the ZigBee local area network, wherein the GPRS signal intensity is higher than the set threshold value, and then the tower transmits the received information to be sent to the transmission line master station.
And the local area network centralized processing controller receives the test result, analyzes the test result and records the test result. The local area network centralized processing controller in this embodiment can be implemented by using an existing local area network centralized processing controller.
The local area network centralized processing controller comprises a main processing module and a sub-processing module, wherein the sub-processing module is respectively arranged on each tower and is specifically arranged in the data transmission device 7. The sub-processing module is connected with the GPRS field intensity testing module, the GPRS wireless transmission module and the Zigbee communication module. The GPRS field intensity testing module is used for testing the intensity of the GPRS signal, a testing result is sent to the sub-processing module, the sub-processing module judges whether the testing result is higher than a set threshold value or not, namely whether the intensity of the GPRS signal is higher than the set threshold value or not, and if the intensity of the GPRS signal is higher than (larger than) the set threshold value, the sub-processing module controls the GPRS wireless transmission module to transmit information to be transmitted; if the value is less than or equal to the set threshold value, the sub-processing module controls the Zigbee communication module to send the information to be sent to the main processing module. When the intensity of the GPRS signal is higher than a set threshold value, the sub-processing module controls the GPRS wireless transmission module to transmit information to be transmitted to a transmission line main station, otherwise, the main processing module dynamically records the intensity condition of the GPRS signal of each tower, and controls the sub-processing module or the main processing module to directly control the Zigbee communication module to transmit the detection result of the detection module 5 to the tower in the ZigBee local area network, wherein the intensity of the GPRS signal is higher than the set threshold value, specifically, the Zigbee communication module transmits the information to be transmitted to the GPRS wireless transmission module of the tower, and the GPRS wireless transmission module of the tower transmits the received information to be transmitted to the transmission line main station. The monitoring device can also comprise a time module, and the data transmission device 7 transmits information to be transmitted to the power transmission line master station at regular time according to the time module.
The fixed box 4 is connected with the tower, namely is arranged on the tower, can be welded on the tower, and can also be fixed on the tower through fixing frames such as bolts and the like at the connecting part arranged on the fixed box 4. Referring to fig. 2 to 4, the detection module 5, the operation module 6 and the data transmission device 7 are disposed in the fixing box 4. A ventilation opening 11 is arranged on the box body of the fixed box 4, and dustproof cloth 10 is arranged on the ventilation opening 11; a first temperature sensor, a first heating plate 9, a first fan 8 and a first micro-control chip are further arranged in the fixed box 4. The ventilation opening 11 is used for a heat dissipation opening of the first fan 8, and the position of the first fan 8 is arranged corresponding to the ventilation opening 11. The dustproof cloth 10 is used for reducing the amount of dust entering the box from the ventilation opening 11, the replaceable filter screen cloth can be selected, and the ventilation opening 11, the dustproof cloth 10, the first fan 8, the first heating plate 9 and the first temperature sensor can be provided in a plurality. The first fan 8 cools the detection module 5, the operation module 6 and the data transmission device 7. The heating plate heats the detection module 5, the operation module 6 and the data transmission device 7. The first micro-control chip is connected with the first temperature sensor, the first heating plate 9 and the first fan 8, the first temperature sensor is used for sensing the temperature of the detection module 5, the temperature of the sensing operation module 6 and the temperature of the sensing data transmission device 7 to obtain corresponding first temperature information, the first temperature information is sent to the first micro-control chip, and the first micro-control chip controls the first heating plate 9 or the first fan 8 according to the received first temperature information and the first temperature information. The specific position can be detection module 5, operation module 6 and data transmission device 7 all are located the box middle part, the box downside is equipped with vent 11 such as lower surface, the box upside is equipped with first fan 8, first fan 8 corresponds vent 11, first fan 8 also corresponds detection module 5, operation module 6 and data transmission device 7, the rear side is equipped with first hot plate 9 in the box, first hot plate 9 corresponds detection module 5, operation module 6 and data transmission device 7, first hot plate 9 is located detection module 5, operation module 6 and data transmission device 7 are directly behind, first temperature sensor corresponds the setting on its device that will measure, the quantity of the temperature sensor on every device is unrestricted, can be one or two. The temperature sensor of the measurement operation module 6 senses the measured temperature information of the operation module 6 to be a first micro control chip, the first micro control chip receives the temperature information of the operation module 6 and judges whether a first fan 8 corresponding to the operation module 6 or a first heating plate 9 corresponding to the operation module 6 needs to be started, when the temperature of the operation module 6 is larger than a preset temperature range, the first micro control chip starts the first fan 8 corresponding to the operation module 6 to cool the operation module 6, when the temperature of the storage battery is smaller than the preset temperature range, the first heating plate 9 corresponding to the first micro control chip starting operation module 6 heats the operation module 6, namely, the first heating plate 9 serves as a low-temperature heating device of the operation module 6. The heat dissipation and heating processes of the detection module 5 and the data transmission device 7 can be known in the same way.
The wind power generation equipment 1 is arranged on a transmission line tower. The solar cell panel 2 is arranged on the transmission line tower. The battery installation device 3 is installed on a power transmission line tower. The wind power plant 1 serves to convert wind energy into electrical energy. The solar cell panel 2 is used to convert solar energy into electric energy. The battery is connected with the solar cell panel 2 and the wind power generation equipment 1, the battery is arranged in the battery installation device 3, and the battery installation device 3 can be a box with a ventilation hole, a support frame body, a device with a semi-shielding function and the like. The storage battery is used for storing electric energy converted by the wind power generation equipment 1 and the solar panel and supplying power to the tower monitoring device. The storage battery supplies power for the detection module 5, the operation module 6, the data transmission device 7, the first temperature sensor, the first heating plate 9, the first fan 8, the first micro-control chip, the second temperature sensor, the second heating plate, the second fan, the second micro-control chip, the microcontroller, the microclimate tester, the stress sensor and the strain sensor. The solar power generation system comprises a wind power generation device 1, a solar panel 2, a storage battery and the like, and further comprises a microcontroller which is connected with the wind power generation device 1, the solar panel 2 and the storage battery and is used for controlling the solar power generation system to work. The microcontroller may be provided within the battery mounting device 3. Battery installation device 3 is equipped with second micro control chip, the second temperature sensor of surveying battery temperature, the second hot plate for the battery heating and the second fan for the battery cooling on the battery installation device 3, and second micro control chip connects second temperature sensor, second hot plate and second fan. The second temperature sensor detects the temperature of the storage battery to obtain second temperature information and sends the second temperature information to the second micro control chip, the second micro control chip receives and controls the second heating plate or the second fan according to the second temperature information, when the temperature of the storage battery is larger than a preset temperature range, the second micro control chip starts the second fan to cool the storage battery, when the temperature of the storage battery is smaller than the preset temperature range, the second micro control chip starts the second heating plate to heat the storage battery, namely, the second heating plate serves as a low-temperature storage battery heating device. The position of second fan and second hot plate all corresponds the battery setting, and second temperature sensor sets up on battery one side, and the second hot plate setting is in one side or both sides of battery, and the second fan setting is in battery below or top.
When the heating plate is needed, the air temperature is low, so the heat dissipation of the heating plate is not needed to be considered. The fan is multipurpose in summer, and the condition that the temperature is high and the wind power is insufficient for heat dissipation exists in summer. The quantity of battery need be equipped with a plurality ofly for the total electric quantity of battery can be enough to supply hot plate and fan etc. has guaranteed monitoring devices's normal operating.
The connections not described in detail in this embodiment are conventional connections, for example the connection of the battery mounting device 3 to a pole tower. The first micro-control chip, the second micro-control chip and the microcontroller are all realized by adopting a single chip microcomputer.
The utility model discloses a detection module 5, operation module 6 and data transmission device 7 realize earth resistance's measurement and transmission, realize the real-time supervision of transmission line total station to shaft tower in the circuit, avoid measurement, management and analysis calculation difficulty that traditional pure manual measurement mode exists, guaranteed basic efficiency. The strain sensor and the stress sensor are arranged on the power transmission line to monitor the running state of the power transmission tower under the action of external force in real time, when the stress exceeds a set threshold value, a fault early warning is sent out, and the stress before the power transmission tower is damaged can be analyzed after the power transmission tower is damaged to find out the weak point of stress, so that the management level of safe and economic running of the power transmission tower is effectively improved, and necessary reference is provided for state maintenance work, later-stage design, model selection and construction of the power transmission tower. Through the steady operation of guarantee transmission line such as hot plate and fan, improve the power supply reliability, especially the hot plate is applicable to the north, especially three provinces in the northeast, avoids appearing because the battery that the temperature is low falls down too fast and detection module 5, operation module 6 and data transmission module's damage problem, has improved detection accuracy and stability. Through LAN cooperation, the problem that the data transmission is influenced because of the unstable wireless signal of remote region in the transmission line shaft tower monitoring system is solved, signal transmission's stability is improved, the accuracy of data reference is improved, the goodness of fit that just is the corresponding relation of instruction issue time, measuring time and total station receiving time is high, the receipt and the transmission of signal can guarantee to accomplish fast, can improve power transmission line's high efficiency, security, reliability through LAN cooperation.
Claims (9)
1. The device for monitoring the grounding resistance of the power transmission line tower based on the accurate measurement technology comprises a detection module (5) and an operation module (6), wherein the detection module (5) is used for detecting the value of the grounding resistance; the operation module (6) is connected with the detection module (5) and can start the detection module (5); the monitoring device is characterized by further comprising a data transmission device (7), a storage battery, a microclimate tester, a stress sensor, a strain sensor, a fixing box (4), wind power generation equipment (1), a solar cell panel (2) and a cell installation device (3), wherein the microclimate tester, the stress sensor, the strain sensor and the strain sensor are all arranged on a tower;
the data transmission device (7) is connected with the detection module (5), the operation module (6), the microclimate tester, the stress sensor and the strain sensor, the data transmission device (7) comprises a GPRS field intensity test module, a GPRS wireless transmission module and a Zigbee communication module, the data transmission device (7) is in communication connection with the local area network centralized processing controller, the local area network centralized processing controller controls the GPRS wireless transmission module or the Zigbee communication module to transmit information to be transmitted, and the GPRS wireless transmission module and the Zigbee communication module are both used for transmitting resistance data detected by the detection module (5);
the detection module (5), the operation module (6) and the data transmission device (7) are all arranged in the fixed box (4), a vent (11) with dustproof cloth (10) is arranged on the fixed box (4), a first temperature sensor, a first heating plate (9), a first fan (8) and a first micro-control chip are arranged in the fixed box (4), the first micro-control chip is connected with the first temperature sensor, the first heating plate (9) and the first fan (8), the data transmission device (7), the detection module (5) and the operation module (6) are cooled through the first fan (8), are heated through the first heating plate (9), and sense first temperature data to the first micro-control chip through the first temperature sensor, and the first micro-control chip controls the first heating plate (9) or the first fan (8) according to the first temperature data;
the storage battery is connected with the solar cell panel (2) and the wind power generation equipment (1), the storage battery is installed on the battery installation device (3), a second micro-control chip, a second temperature sensor for detecting the temperature of the storage battery, a second heating plate for heating the storage battery and a second fan for cooling the storage battery are arranged on the battery installation device (3), and the second micro-control chip is connected with the second temperature sensor, the second heating plate and the second fan.
2. The transmission line tower grounding resistance monitoring device based on the accurate measurement technology according to claim 1, characterized in that the data transmission device (7) is connected with a transmission line head station.
3. The transmission line tower grounding resistance monitoring device based on the accurate measurement technology according to claim 1, wherein the storage battery supplies power for the detection module (5), the operation module (6), the data transmission device (7), the first temperature sensor, the first heating plate (9), the first fan (8), the first micro-control chip, the second temperature sensor, the second heating plate, the second fan, the second micro-control chip, the micro-meteorological tester, the stress sensor and the strain sensor.
4. The transmission line tower grounding resistance monitoring device based on the accurate measurement technology as claimed in claim 1, wherein a second temperature sensor detects the temperature of the storage battery to obtain second temperature information and sends the second temperature information to a second micro-control chip, and the second micro-control chip receives the second temperature information and controls a second heating plate or a second fan according to the second temperature information.
5. The transmission line tower ground resistance monitoring device based on the accurate measurement technology as claimed in claim 1, wherein the microclimate tester monitors wind direction, wind speed, ambient temperature, humidity and pressure of the transmission line tower to obtain a wind direction signal, a wind speed signal, a temperature signal, a humidity signal and a pressure signal in a one-to-one correspondence manner, and the GPRS wireless transmission module and the Zigbee communication module are used for transmitting the wind direction signal, the wind speed signal, the temperature signal, the humidity signal and the pressure signal.
6. The transmission line tower grounding resistance monitoring device based on the accurate measurement technology according to claim 1, characterized in that a stress sensor monitors the tower stress to obtain stress information, and the stress information is transmitted to a transmission line main station through a data transmission device (7); the strain sensor monitors the strain of the tower to obtain strain information, and the strain information is transmitted to the power transmission line main station through the data transmission device (7).
7. The transmission line tower grounding resistance monitoring device based on the accurate measurement technology as claimed in claim 1, wherein the GPRS field strength test module is used for testing the strength of GPRS signals.
8. The transmission line tower ground resistance monitoring device based on the accurate measurement technology as claimed in claim 1, wherein the intensity of the GPRS signal tested by the GPRS field strength test module obtains a test result, the test result is sent to the local area network centralized processing controller via the Zigbee communication module, the local area network centralized processing controller determines whether the test result is greater than a set threshold, and if the test result is greater than the set threshold, the local area network centralized processing controller controls the GPRS wireless transmission module to transmit information to be transmitted through the Zigbee communication module; if the test result is less than or equal to the set threshold, the local area network centralized processing controller controls the Zigbee communication module to send the information to be sent to a tower in the ZigBee local area network, wherein the GPRS signal intensity of the tower is greater than the set threshold, and the GPRS wireless transmission module of the tower transmits the information to be sent to the transmission line master station.
9. The transmission line tower grounding resistance monitoring device based on the accurate measurement technology according to claim 1, wherein the ventilation opening (11) is located on the lower surface of the fixed box (4), the first fan (8) is installed on the upper side in the fixed box (4), the first heating plate (9) is located on the rear side in the fixed box (4), and the detection module (5), the operation module (6) and the data transmission device (7) are located on the front side in the fixed box (4).
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| CN110687355A (en) * | 2019-10-25 | 2020-01-14 | 长春工程学院 | Transmission line shaft tower ground resistance monitoring devices based on accurate measurement technique |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687355A (en) * | 2019-10-25 | 2020-01-14 | 长春工程学院 | Transmission line shaft tower ground resistance monitoring devices based on accurate measurement technique |
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