CN221173485U - Multi-parameter acquisition sensor for conducting wire state of power transmission line - Google Patents
Multi-parameter acquisition sensor for conducting wire state of power transmission line Download PDFInfo
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Abstract
The utility model discloses a multi-parameter acquisition sensor for a conducting wire state of a power transmission line, and belongs to the technical field of power. The sensor comprises a power supply module, a main control core module, an auxiliary control core module, a galloping detection module, a communication module, a positioning module, a windage yaw monitoring module, an arc sag monitoring module, a current monitoring module and a wire temperature monitoring module; the power module is respectively connected with the main control core module and the auxiliary control core module, the main control core module is respectively connected with the galloping detection module and the communication module, and the auxiliary control core module is respectively connected with the communication module, the positioning module, the windage yaw monitoring module, the sag monitoring module, the current monitoring module and the wire temperature monitoring module. The sensor integrates five functions of galloping, windage yaw, sag, wire current monitoring and wire temperature monitoring of the power transmission wires, can simultaneously meet the multi-dimensional characteristic quantity monitoring of the power transmission wires, and can meet the requirements and reduce the cost by installing a comprehensive sensor on one power transmission wire.
Description
Technical Field
The utility model belongs to the technical field of electric power, and particularly relates to a multi-parameter acquisition sensor for a conducting wire state of a power transmission line.
Background
The transmission is an important component link in the power system, and compared with the transmission of other energy sources (such as coal transmission, oil transmission and the like), the transmission loss is small and the benefit is high. With the rapid development of power construction, the power grid scale is continuously enlarged, the power grid construction and equipment maintenance work under the condition of complex terrains are more and more, the power transmission line serving as a tie for power transmission has the defect that dispersibility is difficult to patrol, and patrol personnel are difficult to patrol regularly to realize all-weather patrol, so that the power transmission line on-line monitoring usually adopts a sensor for measurement.
The existing sensors arranged on the high side of the power transmission line mainly comprise a traveling wave distributed fault sensor, a wire clamp temperature sensor, a galloping sensor, a breeze vibration sensor, a wire temperature sensor, a wire current sensor, a wire sag sensor, a wire windage sensor, a wire ice-observing fairy and the like. Most of the existing sensors on the market have the problem of low integration level of single function, so that a plurality of wire characteristic measuring sensors are required to be installed on one transmission wire, and the monitoring cost is increased;
Disclosure of utility model
The utility model aims to solve the problems of the background technology and provides a multi-parameter acquisition sensor for the state of a transmission line wire.
The aim of the utility model can be achieved by the following technical scheme:
The embodiment of the utility model provides a multi-parameter acquisition sensor for a conducting wire state of a power transmission line, which comprises a power supply module, a main control core module, an auxiliary control core module, a galloping detection module, a communication module, a positioning module, a windage yaw monitoring module, a sag monitoring module, a current monitoring module and a conducting wire temperature monitoring module;
the power module is respectively connected with the main control core module and the auxiliary control core module, the main control core module is respectively connected with the galloping detection module and the communication module, and the auxiliary control core module is respectively connected with the communication module, the positioning module, the windage yaw monitoring module, the sag monitoring module, the current monitoring module and the wire temperature monitoring module.
Optionally, the power module comprises a photovoltaic power supply module, a rechargeable battery module, a charging interface, a battery temperature measurement circuit, a battery voltage sampling circuit and a photovoltaic voltage sampling circuit; the battery temperature measuring circuit and the battery voltage sampling circuit are respectively connected with a rechargeable battery module; the photovoltaic power supply module is connected with an anti-surge piezoresistor R1 of the circuit, the upper end of the R1 is connected with a first discharge tube DS1, the lower end of the R1 is connected with a second discharge tube DS2, and the DS1 and the DS2 are respectively grounded; the filter inductor L1 is connected with the filter electrolytic capacitor C1 in series and then connected with the R1 in parallel, and the photovoltaic voltage sampling circuit is connected with the battery charging interface in series and then connected with the C1 in parallel; the charging interface is connected with the rechargeable battery module, the rechargeable battery module comprises a first battery module and a second battery module, and the first battery module and the second battery module are both composed of a lithium battery and a protection chip; the photovoltaic voltage sampling circuit is connected with the ground in series by a resistor R2 and a resistor R3, a filter capacitor C2 is connected with the resistor R3 in parallel, and the voltage between the resistor R2 and the resistor R3 is collected to monitor the power supply condition of the photovoltaic power supply module; the battery voltage sampling circuit is connected with the ground in series by resistors R4 and R5, a filter capacitor C3 is connected with the R5 in parallel, and the voltage between the R4 and the R5 is collected to monitor the charge and discharge conditions of the rechargeable battery module; the battery temperature measuring circuit is connected with a pull-up resistor R7 and a pull-up resistor R8 in parallel, the pull-up resistor R7 and the pull-up resistor R8 are respectively connected with a battery temperature measuring plate,
Optionally, the main control core module adopts an AD I4050 singlechip and integrates a 433M micropower communication module, an ACC module, an I MU module and a Bluetooth wireless debugging module; the main control core module is accessed to a base station or an edge intelligent terminal through standardized 433MHz micropower wireless communication; the master control core module is communicated with the galloping detection module through the SPI, and the amplitude, the galloping track and the position information of the power transmission line galloping are transmitted in real time.
Optionally, the auxiliary control core module adopts an STM32 singlechip, and communicates with the main control core module through a serial port, and transmits data to the main control core module for uploading to a base station.
Optionally, the galloping monitoring module comprises a triaxial accelerometer MPU-6050, a low-power consumption triaxial accelerometer ADXL362 and a six-axis inertial measurement unit I MU; integrating the lead galloping gesture by the MPU-6050 and the I MU, and waking up the MPU-6050 by the ADXL362 when the sensor enters a low power consumption mode; and the MPU-6050 and the I MU are subjected to power control through a power chip, when an EN pin is opened, the power is turned on, and the MPU-6050 and the I MU work.
Optionally, the windage yaw monitoring module is composed of a left radar, a right radar, a power supply control chip and a TVS diode; the direction of the sag circuit radar is grounded, so that the distance between the transmission wire and the ground is monitored, and the sag state is analyzed.
Optionally, the wire temperature monitoring module measures the wire temperature by using a PT100 platinum resistance probe; the wire temperature monitoring module adopts two paths of four-wire PT100, the AD sampling part is additionally provided with two paths of AD sampling chips, an MS5193T chip is selected, and a current source is integrated in the chip; one path is excited by a sampling resistor, and the voltage of the sampling resistor is set as AD reference voltage; the other path is PT100 excitation, platinum resistance parameters are collected, data are uploaded to an auxiliary control core, and the temperature of a transmission line wire is monitored in real time.
Optionally, the input end of the current monitoring module is a resistor R15; one end of the R15 is connected with a transmission line wire, the other end of the R15 is connected with a capacitor C17 and a capacitor C18 respectively, the other end of the C17 is grounded, the other end of the C18 is connected with a resistor R16 and a positive input end of an amplifier respectively, and the other end of the R16 is connected with an external power supply; the negative input end of the amplifier is respectively connected with the resistors R17 and R18 and the capacitor C19, the other end of the R17 is connected with the bias voltage VDD, the other ends of the R18 and the C19 are both connected with the output end of the amplifier, the output end of the amplifier is also connected with the resistor R19, the other end of the R19 is connected with the capacitor C20, and the other end of the C20 is grounded.
The utility model has the beneficial effects that:
The embodiment of the utility model provides a multi-parameter acquisition sensor for the state of a transmission line wire. The sensor comprises a power supply module, a main control core module, an auxiliary control core module, a galloping detection module, a communication module, a positioning module, a windage yaw monitoring module, an arc sag monitoring module, a current monitoring module and a wire temperature monitoring module; the power module is respectively connected with the main control core module and the auxiliary control core module, the main control core module is respectively connected with the galloping detection module and the communication module, and the auxiliary control core module is respectively connected with the communication module, the positioning module, the windage yaw monitoring module, the sag monitoring module, the current monitoring module and the wire temperature monitoring module. The sensor integrates five functions of galloping, windage yaw, sag, wire current monitoring and wire temperature monitoring of the power transmission wires, can simultaneously meet the multi-dimensional characteristic quantity monitoring of the power transmission wires, and can meet the requirements and reduce the cost by installing a comprehensive sensor on one power transmission wire.
Drawings
The utility model is further described below with reference to the accompanying drawings.
Fig. 1 is a system block diagram of a multi-parameter acquisition sensor for conducting wire states of a power transmission line according to an embodiment of the present utility model;
Fig. 2 is a schematic structural diagram of a power module according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a galloping monitoring module according to an embodiment of the present utility model;
Fig. 4 is a schematic structural diagram of a wind deflection monitoring module according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a wire temperature monitoring module according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a current monitoring module according to an embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the utility model provides a multi-parameter acquisition sensor for the state of a transmission line wire. Referring to fig. 1, fig. 1 is a system block diagram of a multi-parameter acquisition sensor for a wire state of a power transmission line according to an embodiment of the present utility model. The sensor comprises a power supply module, a main control core module, an auxiliary control core module, a galloping detection module, a communication module, a positioning module, a windage yaw monitoring module, an arc sag monitoring module, a current monitoring module and a wire temperature monitoring module;
The power module is respectively connected with the main control core module and the auxiliary control core module, the main control core module is respectively connected with the galloping detection module and the communication module, and the auxiliary control core module is respectively connected with the communication module, the positioning module, the windage yaw monitoring module, the sag monitoring module, the current monitoring module and the wire temperature monitoring module.
Based on the multi-parameter acquisition sensor for the state of the transmission line wire provided by the embodiment of the utility model, five functions of transmission line wire galloping, windage yaw, sag, wire current monitoring and wire temperature monitoring are integrated, the multi-dimensional characteristic quantity monitoring of the transmission line wire can be simultaneously met, the requirement can be met by installing a comprehensive sensor on one transmission line wire, and the cost is reduced.
In one embodiment, referring to fig. 2, fig. 2 is a schematic structural diagram of a power module according to an embodiment of the present utility model. The power supply module comprises a photovoltaic power supply module, a rechargeable battery module, a charging interface, a battery temperature measuring circuit, a battery voltage sampling circuit and a photovoltaic voltage sampling circuit; the battery temperature measuring circuit and the battery voltage sampling circuit are respectively connected with the rechargeable battery module; the upper end of the R1 is connected with a first discharge tube DS1, the lower end of the R1 is connected with a second discharge tube DS2, and DS1 and DS2 are respectively grounded; the filter inductor L1 is connected with the filter electrolytic capacitor C1 in series and then connected with the filter electrolytic capacitor R1 in parallel, and the photovoltaic voltage sampling circuit is connected with the battery charging interface in series and then connected with the filter electrolytic capacitor C1 in parallel; the charging interface is connected with the rechargeable battery module, and the rechargeable battery module comprises a first battery module and a second battery module which are both composed of a lithium battery and a protection chip; the photovoltaic voltage sampling circuit is connected with the ground by a resistor R2 and a resistor R3 in series, a filter capacitor C2 is connected with the resistor R3 in parallel, and the voltage between the resistor R2 and the resistor R3 is used for monitoring the power supply condition of the photovoltaic power supply module; the battery voltage sampling circuit is connected with the ground in series by resistors R4 and R5, the filter capacitor C3 is connected with the resistor R5 in parallel, and the charge and discharge conditions of the rechargeable battery module are monitored by collecting the voltage between the resistor R4 and the resistor R5; the battery temperature measuring circuit is connected in parallel by pull-up resistors R7 and R8, the R7 and R8 are respectively connected with a battery temperature measuring plate,
In one implementation mode, the sensor circuit power supply part adopts a photovoltaic and rechargeable battery power supply mode, and as the power transmission line wire state parameter sensor is applied to the power transmission line, the sensor power supply has continuous stability by adopting the photovoltaic power supply mode, and the duration of the non-illumination battery is longer than 30 days. And a rechargeable battery power supply mode is additionally arranged in consideration of overcast and rainy weather and the like. The power supply circuit further comprises a lithium battery temperature measuring circuit, a battery charge and discharge monitoring circuit and a photovoltaic voltage battery voltage sampling circuit, so that the stability and reliability of the sensor in the on-site environment operation of the power transmission line are greatly ensured. The photovoltaic power supply module can charge the rechargeable battery module, the battery state is monitored in real time through the battery temperature and the battery charging and discharging chip, and the battery temperature is too high to intervene in time so as to prevent the sensor from being damaged. The battery power is diverted VDD3.3V from VBAT via DCDC model number TPS62822 DLCR.
In one implementation mode, the photovoltaic panel power of the photovoltaic power supply module is larger than 1W, two lithium batteries are supplied with power, the rated voltage of the batteries is 3.7V, the capacity is 5000mAH, and the discharge current is 4A continuously. The battery protection chip monitors the charging voltage of the battery, and when the charging voltage is in an overvoltage state, the protection chip stops the battery to continue charging. And also protects the battery from over-current discharge, over-current charge, under-voltage discharge and other states. The photovoltaic voltage state is monitored through R2 and R3 partial pressure, and the battery voltage state is monitored through R4 and R5 partial pressure. The temperature of the battery is monitored through the battery temperature measuring plate and is transmitted to the MCU through the I2C data bus. And carrying out hierarchical load management according to the power monitoring information, and dynamically scheduling the peripheral power switch and the sensor working mode.
In one embodiment, the main control core module adopts an AD I4050 singlechip and integrates a 433M micropower communication module, an ACC module, an I MU module and a Bluetooth wireless debugging module; the main control core module is accessed to a base station or an edge intelligent terminal through standardized 433MHz micropower wireless communication; the main control core module is communicated with the galloping detection module through the SPI, and the amplitude, the galloping track and the position information of the galloping of the power transmission line are transmitted in real time.
In one implementation, an AD I4050 single-chip microcomputer is externally connected with an RTC chip and provides a clock signal. AD I4050 singlechip frequency range 433.04-434.79MHz, bandwidth 200KHz, support the 6LoWPAN wireless communication protocol stack based on I EEE802.15.4. The Bluetooth wireless communication is supported, the I/C expansion GPIO chip controls the Bluetooth module to be powered on and off, disassembly and assembly are not needed, wireless communication is carried out through the mobile phone APP, the working state and monitoring data of the sensor are detected, and parameter configuration and command issuing are carried out on the sensor in time. The master control core communicates with the power transmission line galloping monitoring module through the SPI, and transmits the amplitude of the power transmission line galloping, the galloping track and the position information in real time, and the galloping state and the prevention and control risk are monitored in real time.
In one embodiment, the auxiliary control core module adopts an STM32 singlechip, communicates with the main control core module through a serial port, and transmits data to the main control core module for uploading to the base station.
In an implementation manner, the auxiliary control core module supports 4G communication, the integrated 4G communication module performs selection and allocation, the encrypted chip is supported to be connected into the intranet object pipe platform and the power transmission panoramic monitoring platform, and the sensor firmware can be remotely updated through 4G communication. The auxiliary control core is used for expanding the wind deflection detection function, the sag monitoring function, the wire temperature monitoring function and the wire current monitoring function. And further, the intelligent sensor for fusing the multiple parameters of the conducting wire state of the power transmission line is realized, and the defects of single function, different structures and the like of the traditional product are overcome.
The auxiliary control core AD samples the reference voltage of 2.5V and is provided by LDO switch-out VDD2.5V through VDD 3.3_ST.
In one embodiment, referring to fig. 3, fig. 3 is a schematic structural diagram of a galloping monitoring module according to an embodiment of the present utility model. The galloping monitoring module comprises a triaxial accelerometer MPU-6050, a low-power consumption triaxial accelerometer ADXL362 and a six-axis inertial measurement unit I MU; integrating the lead galloping gesture through the MPU-6050 and the I MU, and waking up the MPU-6050 by the ADXL362 when the sensor enters a low power consumption mode; the MPU-6050 and the I MU perform power supply control through a power supply chip, when the EN pin is opened, the power supply is opened, and the MPU-6050 and the I MU work.
In one implementation, in fig. 3, R9 and R10 are pull-up resistors, and C4 and C9 are filter capacitors, so as to ensure the stability of power input. C5, C6, C7, C8, C10 and C11 are filter capacitors.
In an embodiment, referring to fig. 4, fig. 4 is a schematic structural diagram of a wind deviation monitoring module according to an embodiment of the present utility model. The wind deflection monitoring module consists of a left radar, a right radar, a power supply control chip and a TVS diode; the direction of the sag circuit radar is grounded, so that the distance between the transmission wire and the ground is monitored, and the sag state is analyzed.
In one implementation mode, radar modules are extended on the left side and the right side of a power transmission wire, radar work is controlled through a power chip, radar power is turned on once at intervals of 10 minutes, data uploading is carried out, and after communication is finished, the radar power is turned off. The auxiliary control core further analyzes the windage yaw state of the transmission conductor according to the data uploaded by the radar. The radar module is based on a millimeter wave radar direct ranging mode, the measuring range is 0.2m-25m, and the resolution ratio is: 0.1m, and 60s are collected continuously. The direction of the sag circuit radar is grounded, so that the distance between the transmission wire and the ground is monitored, and the sag state is analyzed. The sensor is started once at intervals of 10 minutes, which is the same as a windage yaw radar, so that the sensor can stably operate in the field environment of a power transmission line. In fig. 4, R11 is a power supply chip pull-up resistor, and C12 is a filter capacitor. R12 and R13 are signal line transmission impedance matching resistors, and can also prevent overshoot interference, reduce the steep degree of signals and the like.
In one embodiment, referring to fig. 5, fig. 5 is a schematic structural diagram of a wire temperature monitoring module according to an embodiment of the present utility model. The wire temperature monitoring module adopts a PT100 platinum resistance probe to measure the wire temperature; the wire temperature monitoring module adopts two paths of four-wire PT100, the AD sampling part is additionally provided with two paths of AD sampling chips, an MS5193T chip is selected, and a current source is integrated in the chip; one path is excited by a sampling resistor, and the voltage of the sampling resistor is set as AD reference voltage; the other path is PT100 excitation, platinum resistance parameters are collected, data are uploaded to an auxiliary control core, and the temperature of a transmission line wire is monitored in real time.
In one implementation, the temperature of the wire is measured within a measuring range of-55 ℃ to 180 ℃, the resolution is 0.01 ℃ and the precision is +/-1%. The data acquisition interval is typically set to 10 minutes and can be adjusted by a technician over a range of 1min to 60min. Under the conditions of over-fast temperature rise, dynamic capacity expansion, line overload and the like, the auxiliary control core automatically judges the conditions of over-fast temperature rise, dynamic capacity expansion, line overload and the like according to the data analysis of AD sampling, and can adjust the acquisition frequency. The circuit design adopts two paths of four-wire PT100, and average calculation is carried out according to two paths of PT100 temperature sampling values, so that the temperature parameters of the wires are more accurate. In fig. 5, C13 and C14 are AVDD decoupling capacitors. C15 and C16 are DVDD decoupling capacitors. R14 is the reference sampling resistor.
MS5193GPIO port IOUT1 is externally excited to PT100, voltage at two ends of a platinum resistor is collected by ohm law and is sent into AI N I (+), AI N I (-), current PT100 resistance value is calculated according to the collected data, and current wire temperature value is obtained according to a PT100 resistance value and temperature correspondence table.
In one embodiment, referring to fig. 6, fig. 6 is a schematic structural diagram of a current monitoring module according to an embodiment of the present utility model. The input end of the current monitoring module is a resistor R15; one end of R15 is connected with a transmission line wire, the other end is connected with a capacitor C17 and a capacitor C18 respectively, the other end of C17 is grounded, the other end of C18 is connected with a resistor R16 and the positive input end of an amplifier respectively, and the other end of R16 is connected with an external power supply; the negative input end of the amplifier is respectively connected with the resistors R17 and R18 and the capacitor C19, the other end of the R17 is connected with the bias voltage VDD, the other ends of the R18 and the C19 are both connected with the output end of the amplifier, the output end of the amplifier is also connected with the resistor R19, the other end of the R19 is connected with the capacitor C20, and the other end of the C20 is grounded.
In one implementation, the current monitoring module measures the measuring range 15A-1500A with the precision less than +/-1%, and is compatible with the acquisition modes of the Rogowski coil, the Hall sensor and the AMR magnetoresistive chip. R15 and C17 form a pre-filter circuit, an amplifier, R17, R18 and C19 form an amplifying circuit, and R19 and C20 form a post-filter circuit.
The current parameter value of the lead is sent to a current acquisition conditioning circuit through an acquisition device, and after passing through a pre-filter circuit, a direct current signal is isolated through C18, and the operational amplifier bias voltage VDD of an amplifying circuit is raised, and ADC sampling is carried out between R19 and C20. The amplification factor of the conditioning circuit can be changed by adjusting the resistance values of R17 and R18, and the R16 balances the impedance of the input end to the ground.
The conducting wire current acquisition circuit operational amplifier VDD5.0 power supply is obtained by boosting the DCDC of the model number TPS61220DCKT through VDD 4.2. The dc bias voltage VDD1.25V is obtained by dividing by VDD2.5 through a 100k divider resistor, and then is transferred out VDD1.25V through a voltage follower. The wire current acquisition signal is superimposed on a direct current bias of 1.25V and sent to a conditioning circuit, and the acquired wire current signal is amplified 11 times by R17 and R18 and sent to AD sampling.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (8)
1. The multi-parameter acquisition sensor for the conducting wire state of the power transmission line is characterized by comprising a power supply module, a main control core module, an auxiliary control core module, a galloping detection module, a communication module, a positioning module, a windage yaw monitoring module, an sag monitoring module, a current monitoring module and a conducting wire temperature monitoring module;
the power module is respectively connected with the main control core module and the auxiliary control core module, the main control core module is respectively connected with the galloping detection module and the communication module, and the auxiliary control core module is respectively connected with the communication module, the positioning module, the windage yaw monitoring module, the sag monitoring module, the current monitoring module and the wire temperature monitoring module.
2. The transmission line wire state multi-parameter acquisition sensor according to claim 1, wherein the power supply module comprises a photovoltaic power supply module, a rechargeable battery module, a charging interface, a battery temperature measurement circuit, a battery voltage sampling circuit and a photovoltaic voltage sampling circuit; the battery temperature measuring circuit and the battery voltage sampling circuit are respectively connected with a rechargeable battery module; the photovoltaic power supply module is connected with an anti-surge piezoresistor R1 of the circuit, the upper end of the R1 is connected with a first discharge tube DS1, the lower end of the R1 is connected with a second discharge tube DS2, and the DS1 and the DS2 are respectively grounded; the filter inductor L1 is connected with the filter electrolytic capacitor C1 in series and then connected with the R1 in parallel, and the photovoltaic voltage sampling circuit is connected with the battery charging interface in series and then connected with the C1 in parallel; the charging interface is connected with the rechargeable battery module, the rechargeable battery module comprises a first battery module and a second battery module, and the first battery module and the second battery module are both composed of a lithium battery and a protection chip; the photovoltaic voltage sampling circuit is connected with the ground in series by a resistor R2 and a resistor R3, a filter capacitor C2 is connected with the resistor R3 in parallel, and the voltage between the resistor R2 and the resistor R3 is collected to monitor the power supply condition of the photovoltaic power supply module; the battery voltage sampling circuit is connected with the ground in series by resistors R4 and R5, a filter capacitor C3 is connected with the R5 in parallel, and the voltage between the R4 and the R5 is collected to monitor the charge and discharge conditions of the rechargeable battery module; the battery temperature measuring circuit is connected in parallel by pull-up resistors R7 and R8, and the R7 and the R8 are respectively connected with a battery temperature measuring plate.
3. The multi-parameter acquisition sensor for the conducting wire state of the power transmission line according to claim 1, wherein the main control core module adopts an AD I4050 single-chip microcomputer, integrates a 433M micropower communication module, an ACC module, an I MU module and a Bluetooth wireless debugging module; the main control core module is accessed to a base station or an edge intelligent terminal through standardized 433MHz micropower wireless communication; the master control core module is communicated with the galloping detection module through the SPI, and the amplitude, the galloping track and the position information of the power transmission line galloping are transmitted in real time.
4. The multi-parameter acquisition sensor for the wire state of the power transmission line according to claim 1, wherein the auxiliary control core module adopts an STM32 single chip microcomputer, and communicates with the main control core module through a serial port, and transmits data to the main control core module for uploading to a base station.
5. The transmission line wire state multi-parameter acquisition sensor according to claim 1, wherein the galloping monitoring module comprises a triaxial accelerometer MPU-6050, a low-power-consumption triaxial accelerometer ADXL362 and a six-axis inertial measurement unit I MU; integrating the lead galloping gesture by the MPU-6050 and the I MU, and waking up the MPU-6050 by the ADXL362 when the sensor enters a low power consumption mode; and the MPU-6050 and the I MU are subjected to power control through a power chip, when an EN pin is opened, the power is turned on, and the MPU-6050 and the I MU work.
6. The multi-parameter acquisition sensor for the wire state of the power transmission line according to claim 1, wherein the wind deflection monitoring module is composed of a left radar, a right radar, a power supply control chip and a TVS diode; the direction of the sag circuit radar is grounded, so that the distance between the transmission wire and the ground is monitored, and the sag state is analyzed.
7. The multi-parameter acquisition sensor for the wire state of the power transmission line according to claim 1, wherein the wire temperature monitoring module measures the wire temperature by using a PT100 platinum resistance probe; the wire temperature monitoring module adopts two paths of four-wire PT100, the AD sampling part is additionally provided with two paths of AD sampling chips, an MS5193T chip is selected, and a current source is integrated in the chip; one path is excited by a sampling resistor, and the voltage of the sampling resistor is set as AD reference voltage; the other path is PT100 excitation, platinum resistance parameters are collected, data are uploaded to an auxiliary control core, and the temperature of a transmission line wire is monitored in real time.
8. The transmission line wire state multi-parameter acquisition sensor according to claim 1, wherein the input end of the current monitoring module is a resistor R15; one end of the R15 is connected with a transmission line wire, the other end of the R15 is connected with a capacitor C17 and a capacitor C18 respectively, the other end of the C17 is grounded, the other end of the C18 is connected with a resistor R16 and a positive input end of an amplifier respectively, and the other end of the R16 is connected with an external power supply; the negative input end of the amplifier is respectively connected with the resistors R17 and R18 and the capacitor C19, the other end of the R17 is connected with the bias voltage VDD, the other ends of the R18 and the C19 are both connected with the output end of the amplifier, the output end of the amplifier is also connected with the resistor R19, the other end of the R19 is connected with the capacitor C20, and the other end of the C20 is grounded.
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