CN204946279U - Based on Fusion electric power line pole tower abnormity early warning device - Google Patents
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- CN204946279U CN204946279U CN201520717284.6U CN201520717284U CN204946279U CN 204946279 U CN204946279 U CN 204946279U CN 201520717284 U CN201520717284 U CN 201520717284U CN 204946279 U CN204946279 U CN 204946279U
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Abstract
Based on Fusion electric power line pole tower abnormity early warning device, comprise the solar powered module be arranged on shaft tower; Be arranged on the shaft tower vibration detection module on shaft tower, shaft tower tilt detection module, be arranged on the gsm communication module on shaft tower, be arranged on the camera on tower line, described shaft tower vibration detection module, shaft tower tilt detection module connect microprocessor module by wireless ZigBee; Described gsm communication model calling microprocessor module; Described camera connects microprocessor module; Described microprocessor module connects voice cue module.The utility model is a kind of based on Fusion electric power line pole tower abnormity early warning device; by vibration transducer and inclination sensor, tower line is detected automatically; and by camera, emergency case is captured, realize the protection to power transmission line column line.
Description
Technical field
The utility model is a kind of based on Fusion electric power line pole tower abnormity early warning device, relates to transmission line of electricity vibration inclination monitoring field.
Background technology
For power transmission line column linearly coupled tilt problem, current grid company also has certain methods.Concrete grammar is as follows:
1), ground ocular estimate: adopt manually along the line by tower make an inspection tour operating type, with the naked eye or telescope administrative equipment and surrounding enviroment are observed.Because transmission line of electricity distribution is multi-point and wide-ranging, geographical conditions are complicated, line walking workman needs to cross over mountain after mountain, wade across a river, on foot or drive to patrol and examine.This method labour intensity is large, work efficiency and detection accuracy low, poor reliability.When checking, only tower line occurs that obvious inclination just can be found.
2), helicopter line walking: adopt helicopter to fly along transmission line of electricity, staff with the naked eye or airborne picture pick-up device observation and record the situation of abnormity point along the line.Although this method is apart from close, improve detection efficiency and precision, on the one hand line of electric force from the visual field of observer or camera-shooting and recording device quickly through, not easily note abnormalities, add technical difficulty; Operating cost is higher on the other hand.And helicopter cannot find tower linearly coupled situation.
3), mobile robot's line walking: the development of mobile robot technology, patrol and examine for overhead power line and provide new inspection platform.Inspection robot can work online, move along wire or ground wire with certain speed, and the barriers such as stockbridge damper, strain clamp, suspension clamp, shaft tower can be crossed over, the sensor carried is utilized to detect shaft tower, wire line passage etc., recording unit defect situation, effectively can replace artificial patrolling and examining work along power circuit, can increase work efficiency further and patrol and examine precision simultaneously.But mobile robot patrols and examines and requires very high to ground, but also affects by rainy weather, can not carry out responding accurately very rapidly to unexpected situation.Most importantly robot is maked an inspection tour needs artificially to set detection time, can not at any time with detecting quarter.
Although above method can find the operation conditions of transmission line of electricity to a certain extent, this detection method effectively can not carry out effective early warning to power transmission line column line.Because it is not stranghtforward process that shaft tower tilts, needing the moment to observe and detect, once tower line is toppled over, is sizable to the loss of electrical network.And the planning of to build along with national intelligent grid and enforcement, on-line monitoring technique as the emphasis planned project of intelligent grid transmission of electricity link, also towards intelligentized future development.Based on this thought and actual conditions, foundation vibration producing cause and physical environment, on the impact of power transmission line column line, propose one and have intelligentized oscillation on-line detection device, to guarantee that power transmission line column line keeps safe operation to seem and is necessary very much.
Summary of the invention
Based on the problems referred to above, the utility model provides a kind of based on Fusion electric power line pole tower abnormity early warning device, be intended to utilize acceleration transducer and inclination sensor to carry out Real-Time Monitoring to power transmission line column line, be sent to Surveillance center by GPRS in time, judged the vibration inclination conditions of current line by the microprocessor module of Surveillance center.By showing that tower line is subject to the signal characteristic of external mechanical influence power to the analyzing and processing of vibration signal and tilt signals; thus effectively realize the warning of tower line when being subject to outside destroy; and interlock starts camera; taken pictures in shaft tower scene; and sending video image to microprocessor module by wireless network, microprocessor module will be sent by SMS and notify that staff protects power transmission line column line afterwards by analysis.
The technical scheme that the utility model adopts is:
Based on Fusion electric power line pole tower abnormity early warning device, comprise
Be arranged on the solar powered module on shaft tower;
Be arranged on the shaft tower vibration detection module on shaft tower, shaft tower tilt detection module,
Be arranged on the gsm communication module on shaft tower,
Be arranged on the upper camera on tower line, it is characterized in that,
Described shaft tower vibration detection module, shaft tower tilt detection module connect microprocessor module by wireless ZigBee;
Described gsm communication model calling microprocessor module;
Described camera connects microprocessor module;
Described microprocessor module connects voice cue module.
Described microprocessor module, shaft tower vibration detection module, shaft tower tilt detection module all connect D.C. regulated power supply module.
Described shaft tower vibration detection module, shaft tower tilt detection module connect microprocessor module by instrument amplifier MAX4196.
Described shaft tower vibration detection module comprises multiple MMA7361 type acceleration transducer, and multiple MMA7361 type acceleration transducer connects microprocessor module.
Described shaft tower tilt detection module comprises a BWH520 type inclination sensor, and inclination sensor connects microprocessor module.
Described voice cue module comprises WT588D type speech chip, and described WT588D type speech chip connects microprocessor module, described WT588D type speech chip connected storage, loudspeaker P6.
Described gsm communication module is TC53i module, and described TC53i module is connected with microprocessor module by RS-485 bus.
Described microprocessor module connects serial communication modular, and described serial communication modular comprises MAXIM chip.
Described camera connects microprocessor module by relay driver ULN2803, relay.
Described microprocessor module comprises chip CC2530, and chip CC2530 connects LED light.
The utility model is a kind of based on Fusion electric power line pole tower abnormity early warning device; by vibration transducer and inclination sensor, tower line is detected automatically; and by camera, emergency case is captured, realize the protection to power transmission line column line.
The utility model is a kind of based on Fusion electric power line pole tower abnormity early warning device; automatically transmission line pole tower operation situation is monitored by vibration transducer and inclination sensor; once run into shaft tower vibration or tilt condition; control command can be sent by systematic microprocessor; and by system IR camera as to this therefore carry out flash photographing; and field condition is reported to the police by voice guard; and send to system centre with note form, realize power transmission line column line omnibearing protection.
Accompanying drawing explanation
Fig. 1 is the model calling block diagram of the utility model device;
Fig. 2 is the main control circuit figure of the utility model device;
Fig. 3 is the acceleration sensor circuit figure of the utility model device;
Fig. 4 is the inclination sensor testing circuit figure of the utility model device;
Fig. 5 is the voice cue module circuit diagram of the utility model device;
Fig. 6 is the interface circuit of the gsm communication module of the utility model device;
Fig. 7 is the D.C. regulated power supply modular circuit schematic diagram of the utility model device;
Fig. 8 is the serial communication modular circuit diagram of the utility model device;
Fig. 9 is the camera on-off circuit schematic diagram of the utility model device;
Figure 10 is the sensor signal amplification circuit diagram of the utility model device.
Embodiment
Based on Fusion electric power line pole tower abnormity early warning device, comprise
Be arranged on the solar powered module on shaft tower;
Be arranged on the shaft tower vibration detection module on shaft tower, shaft tower tilt detection module,
Be arranged on the gsm communication module on shaft tower,
Be arranged on the upper camera on tower line, it is characterized in that,
Described shaft tower vibration detection module, shaft tower tilt detection module connect microprocessor module by wireless ZigBee;
Described gsm communication model calling microprocessor module;
Described camera connects microprocessor module;
Described microprocessor module connects voice cue module.
Described microprocessor module, shaft tower vibration detection module, shaft tower tilt detection module all connect D.C. regulated power supply module.
Described shaft tower vibration detection module, shaft tower tilt detection module connect microprocessor module by instrument amplifier MAX4196.
Described shaft tower vibration detection module comprises multiple MMA7361 type acceleration transducer, and multiple MMA7361 type acceleration transducer connects microprocessor module.
Described shaft tower tilt detection module comprises a BWH520 type inclination sensor, and inclination sensor connects microprocessor module.
Described voice cue module comprises WT588D type speech chip.
The utility model is a kind of based on Fusion electric power line pole tower abnormity early warning device, and adopt solar powered module centrally connected power supply, solar powered module comprises solar storage battery, and solar storage battery centrally connected power supply part is arranged on shaft tower.There is embedded system as the host node of monitor terminal, each detection subsystem is as from node, host node obtains vibration and dip angle signal collection by RS-485 bus, sent the steering order of camera pan-tilt by RS-485 bus simultaneously, and testing result and video data are sent to remote monitoring center main website by GPRS, realizes carrying out communication with independent passive and wireless sensing subsystem by short range wireless communications ZigBee module.
The utility model device, on shaft tower, monitoring terminal adopts 4 acceleration transducers and 1 obliquity sensor to detect tower wire system data, in conjunction with Fusion, obtain the abnormal load early warning criterion that shaft tower causes due to mechanical external force destruction, pole and tower foundation deterioration.The acceleration transducer model that the utility model adopts is MMA7361, and this acceleration transducer is the micro-machine acceleration transducer of a kind of super low-power consumption, small capacitive.It can be multifunctional application and provides optional range flexibly, low in energy consumption, the start response time is short, and noise is low, highly sensitive, frequency and resolution high, the suggestion acceleration of gravity rank of falling, tilt, move, place, shake and waving induction sensitivity different application is accurately provided.Its Main Function is when vibration occurs power transmission line column line, detects the acceleration of vibration.When the acceleration detecting vibration reaches the threshold value that system pre-sets, signal will be sent to Surveillance center by GPRS, be judged by Surveillance center and send control command, thus take certain remedial measures.The model of inclination sensor is BWH520, and this is the double-shaft tilt angle sensor that a high-accuracy voltage exports, and full accuracy can reach 0.005 °.Inner employing high resolving power difference digital to analog converter, by automatic compensating method, reduces the error that environmental change causes.Built-in miniature solid pendulum, by measuring static gravitational field change, being converted to change of pitch angle, changing and exported by voltage system.This product adopts non-contact measurement principle, can export current attitude inclination angle in real time, and use simple, high precision, volume is little, and anti-outside electromagnetic interference ability is strong, and the vibration resistance that withstands shocks is strong.
Gsm communication module in the utility model device is arranged on shaft tower, and is connected with microprocessor module, can carry out data communication with remote system center.Gsm communication module is connected with microprocessor module by RS-485 bus, for external system communication, externally system sends various warning message.Communication is adopted to realize the data communication at monitoring terminal and remote system center.
The camera used in the utility model device is SAT series, the single-chip microcomputer resistor-type microbolometer technology that this infrared camera adopts polycrystalline silicon material to prepare, there is the temperature data that 76800 detector cells measure 76800 pixels in full frame simultaneously, and vibration, tilted image are converted into video standard signal display on a monitor, also can reach system centre.Camera is arranged on tower line, and is connected with the microprocessor module in system.
Fig. 1 is the functional block diagram of system.Respectively: shaft tower vibration detection module, shaft tower tilt detection module, gsm communication module, microprocessor module, D.C. regulated power supply module, camera, voice cue module.
Fig. 2 is the hardware elementary diagram that the main control chip CC2530 of microprocessor module is connected with peripheral components.The integrated level of CC2530 chip is very high, as long as peripheral circuit connects the elements such as a small amount of resistance, electric capacity and inductance and crystal oscillator just can normally work.Acceleration transducer is connected through amplifying port P0.6 with P0.7 nursing one's health digital signal SOUT and the CC2530 obtained with the output of obliquity sensor, and port P1_1 with P1_0 is connected LED light D1, D2 respectively, is used to indicate the duty of system.The download debugging interface of CC2530 is made up of four lines, comprises DD, DC, RESET_N and GND signal, is connected respectively with port P2_2, P2_1, RESET_N of chip with GND.P1 is antennal interface, connects whip antenna.Port RF_N and RF_P of CC2530 provides the radiofrequency signal of difference, before this signal is transported to antenna, need to increase by one at antenna and chip chamber to be used for realizing the conversion converting network (balance-balun transformer) of balanced signal to non-equilibrium signal, this network is single-ended 50 ohm the impedance transformation of the differential signal of radio RF.
Fig. 3 is acceleration sensor circuit.Mainly measure inclination angle based on acceleration.This module is by angular acceleration transducer MMA7361(U1), amplifier OPA37(U2), electric capacity C1, C2, C3, resistance R1, R2, R3, R4, R5, R6, R7 form.When vibrations appear in electric power line pole tower time, acceleration transducer will experience oscillatory acceleration, and the Zout pin of MMA7361 exports analog level, completes a low-pass filtering through electric capacity C3.R6, R7 two resistance fix through the 3 pin current potential+InB of dividing potential drop by OPA37, because the void of operational amplifier in profound and negative feedbck situation is short, its No. 2 pin current potential-InB are fixed.When the output Zout pin level change of acceleration transducer, the electric current flowing through resistance R4 is caused to change.Due to the resolution of operational amplifier, the electric current flowing through resistance R5 is equal with the electric current flowing through resistance R4, namely.The proportionate relationship of controlling resistance R5 and R4 can change enlargement factor.No. 6 output pins of amplifier are connected to the PA1 pin of Atmega16.R1, R2 resistance is used to carry out benchmark check to acceleration transducer.Placed by sensor levels, the resistance that can change R1, R2 carrys out calibrating acceleration sensor.Because the X-axis of MMA7361 and Y-axis acceleration do not use, so its output pin is passed through capacity earth.
Fig. 4 is inclination sensor testing circuit figure.Main control chip CC2530 is connected with the CSB/SCK/MISO/MOSI in Fig. 4 respectively by spi bus) control sensor and carry out degree of tilt conversion, and exchange the transformation result from inclination sensor for.Through calculating current degree of tilt by the calculation procedure of CC2530 processor inside.Determine whether after the analysis of CC2530 processor to start audible alarm, coordinated signals is taken pictures.
Fig. 5 is voice cue module circuit diagram.This module core is WT588D speech chip, adopts three line SPI patterns, and connected by three order wires between single-chip microcomputer U1 and WT588D, be chip selection signal CS, data-signal MISO and clock signal SCLK respectively, sequential follows standard SPI communication mode.Send information by single-chip microcomputer to control WT588D, realize speech chip order control, speech play.P17 is BUSY busy signal output terminal, and its signal can be arranged.Whether arrange BUSY output low level when voice start to play in this module, speech play terminates BUSY and exports high level, and during high level, voltage is close to VDD supply voltage, for terminating as speech play or busy signal judgement.Supply voltage VDD uses+5V to power, and VCC uses 3.3V to power.Sound signal is held by DAC and is exported.Use M25P32VMW6TG to store specific voice signal, it is the serial flash storer of 32Mbit (4M*8), has enhancing write protection structure.Access adopts spi bus agreement.
Fig. 6 is gsm communication modular circuit.The gsm module adopted is the TC53i module of Siemens Company's research and development.TC53i modular structure is compact.Operation easily, can realize data transmission, voice transfer and SMS (Short Message Service) safely and reliably.TC53i inside modules integrates baseband circuit and radio frequency, supports the instruction set of AT order.TC53i module has 40 pins, is drawn go by ZIF connector.TC53i module provides the UART serial communication interface of mark, so CC2530 can be connected with GSM very easily in the mode of serial communication.
Fig. 7 is D.C. regulated power supply modular circuit schematic diagram.What need stabilized voltage supply to power in system mainly contains single-chip microcomputer CC2530, acceleration transducer, inclination sensor.Because single-chip microcomputer CC2530, acceleration transducer, inclination sensor etc. need the DC power supply of 5V.Therefore adopt voltage stabilizing chip LM2596-5P, be input as the DC voltage of+12V, obtain 5V power supply.
Fig. 8 is concrete serial communication modular circuit.The USART0 interface of CC2430 is selected to make it be operated in UART asynchronous communication model.The I/O pin of CC2430 and the corresponding relation of peripherals are under UART pattern, the TXD corresponding ports P0_3 of USART0, RXD corresponding ports P0_2.The serial ports work of PC is the TTL signal of 12V, and circuit board power source signal and Transistor-Transistor Logic level are 5V (being 3.3V in CC2430 low consumption circuit), in order to be converted into available signal, need the level conversion of carrying out serial ports.The MAX232/MAX233 chip of MAXIM company, realizes the chip realizing serial port level conversion in 5V circuit with PC exactly, adopts MAX232 to realize level conversion in native system circuit.The simplest serial communication uses 3 lines to complete: (1) receives, and (2) send, (3) ground wire, respectively the 2nd, 3,5 pins of corresponding serial ports (DB9).Other lines are used for shaking hands, but not necessarily.Only used three lines for serial communication in native system circuit.
Fig. 9 is camera on-off circuit schematic diagram.Switch module is primarily of relay driver ULN2803 and relay composition.ULN2803 is that eight road NPN Darlingtons connect transistor array, is applicable to the interface between the flat digital circuit of low logical point and higher electric current, voltage request.5V relay is driven with it, ULN2803 output terminal direct contact relay coil one end, another termination+5V power supply of relay coil, the input end of ULN2803 is directly connected with single-chip processor i/o mouth, single-chip microcomputer just can drive the actuating of relay when exporting high level, and then drives the startup of infrared camera.
Figure 10 is the signal amplification circuit of acceleration transducer and inclination sensor.Because the output signal of said two devices sensor is less, special amplifying circuit is needed to amplify voltage signal, what pressure transducer adopted is that 3 line systems export, so select when Design enlargement circuit to adopt instrument amplifier MAX4196, it has the closed loop gain of Differential Input and relative reference end Single-end output, has the Single-end output of difference output and relative reference end.Namely its two differential input ends apply input signal, and its gain can be preset by inside, also can be arranged by pin inner portions by user or be arranged by the outside gain resistor that input signal is isolated.In the present system, TT&C system wishes that the output signal of sensor is between 0 ~ 5V, so when using MAX4196 chip, need the voltage reference that outside, this voltage reference is equivalent to the zero-bit of instrument amplifier, in the present system, selects the voltage reference of 2.5V.The voltage reference chip MAX6192 of MAXIM company is adopted to provide with reference to zero-bit for MAX4196.
Claims (10)
1., based on Fusion electric power line pole tower abnormity early warning device, comprise
Be arranged on the solar powered module on shaft tower;
Be arranged on the shaft tower vibration detection module on shaft tower, shaft tower tilt detection module,
Be arranged on the gsm communication module on shaft tower,
Be arranged on the upper camera on tower line, it is characterized in that,
Described shaft tower vibration detection module, shaft tower tilt detection module connect microprocessor module by wireless ZigBee;
Described gsm communication model calling microprocessor module;
Described camera connects microprocessor module;
Described microprocessor module connects voice cue module.
2. a kind of based on Fusion electric power line pole tower abnormity early warning device according to claim 1, it is characterized in that, described microprocessor module, shaft tower vibration detection module, shaft tower tilt detection module all connect D.C. regulated power supply module.
3. one, based on Fusion electric power line pole tower abnormity early warning device, is characterized in that according to claim 1, and described shaft tower vibration detection module, shaft tower tilt detection module connect microprocessor module by instrument amplifier MAX4196.
4. a kind of based on Fusion electric power line pole tower abnormity early warning device according to claim 1, it is characterized in that, described shaft tower vibration detection module comprises multiple MMA7361 type acceleration transducer, and multiple MMA7361 type acceleration transducer connects microprocessor module.
5. a kind of according to claim 1 based on Fusion electric power line pole tower abnormity early warning device, it is characterized in that, described shaft tower tilt detection module comprises a BWH520 type inclination sensor, and inclination sensor connects microprocessor module.
6. a kind of based on Fusion electric power line pole tower abnormity early warning device according to claim 1, it is characterized in that, described voice cue module comprises WT588D type speech chip, described WT588D type speech chip connects microprocessor module, described WT588D type speech chip connected storage, loudspeaker P6.
7. a kind of according to claim 1 based on Fusion electric power line pole tower abnormity early warning device, it is characterized in that, described gsm communication module is TC53i module, and described TC53i module is connected with microprocessor module by RS-485 bus.
8. one, based on Fusion electric power line pole tower abnormity early warning device, is characterized in that according to claim 1, and described microprocessor module connects serial communication modular, and described serial communication modular comprises MAXIM chip.
9. one, based on Fusion electric power line pole tower abnormity early warning device, is characterized in that according to claim 1, and described camera connects microprocessor module by relay driver ULN2803, relay.
10. as described in claim 1 ~ 9, any one is based on Fusion electric power line pole tower abnormity early warning device, and it is characterized in that, described microprocessor module comprises chip CC2530, and chip CC2530 connects LED light.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675062A (en) * | 2016-04-01 | 2016-06-15 | 中国地质大学（北京） | Electric power tower pole fault remote monitoring scheme and device |
| CN105928133A (en) * | 2016-04-18 | 2016-09-07 | 国网山东省电力公司信息通信公司 | Device and method for precisely detecting, alarming and removing sundries of air conditioner outdoor unit |
| CN106157507A (en) * | 2016-07-08 | 2016-11-23 | 武汉三江中电科技有限责任公司 | A kind of transmission line of electricity solid preventer based on radar and video fusion |
| CN107340053A (en) * | 2017-06-14 | 2017-11-10 | 国网湖北省电力公司孝感供电公司 | The electric power line pole tower Stability Monitoring System and method of a kind of Fusion |
| CN109115178A (en) * | 2018-10-11 | 2019-01-01 | 广东电网有限责任公司 | A kind of shaft tower device for monitoring inclination and method |
| CN110220506A (en) * | 2019-06-03 | 2019-09-10 | 内蒙古大学 | A kind of automatic deviational survey data transmission alarm system of shaft tower |
| CN110879823A (en) * | 2019-11-29 | 2020-03-13 | 华北科技学院 | Wireless monitoring devices of mechanical vibration |
| CN114486141A (en) * | 2021-12-23 | 2022-05-13 | 安徽科力信息产业有限责任公司 | Traffic signal machine impact inclination detection equipment and detection method |
| CN115015817A (en) * | 2022-05-20 | 2022-09-06 | 丹东富田精工机械有限公司 | Device and method for detecting probe state abnormity and contact abnormity on line |
| WO2022252408A1 (en) * | 2021-06-01 | 2022-12-08 | 国网重庆市电力公司电力科学研究院 | Multi-sensor data fusion-based self-powered transmission line online monitoring system |
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2015
- 2015-09-16 CN CN201520717284.6U patent/CN204946279U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675062A (en) * | 2016-04-01 | 2016-06-15 | 中国地质大学（北京） | Electric power tower pole fault remote monitoring scheme and device |
| CN105928133A (en) * | 2016-04-18 | 2016-09-07 | 国网山东省电力公司信息通信公司 | Device and method for precisely detecting, alarming and removing sundries of air conditioner outdoor unit |
| CN106157507A (en) * | 2016-07-08 | 2016-11-23 | 武汉三江中电科技有限责任公司 | A kind of transmission line of electricity solid preventer based on radar and video fusion |
| CN106157507B (en) * | 2016-07-08 | 2018-04-17 | 武汉三江中电科技有限责任公司 | A kind of transmission line of electricity solid protective device based on radar and video fusion |
| CN107340053A (en) * | 2017-06-14 | 2017-11-10 | 国网湖北省电力公司孝感供电公司 | The electric power line pole tower Stability Monitoring System and method of a kind of Fusion |
| CN109115178A (en) * | 2018-10-11 | 2019-01-01 | 广东电网有限责任公司 | A kind of shaft tower device for monitoring inclination and method |
| CN110220506A (en) * | 2019-06-03 | 2019-09-10 | 内蒙古大学 | A kind of automatic deviational survey data transmission alarm system of shaft tower |
| CN110879823A (en) * | 2019-11-29 | 2020-03-13 | 华北科技学院 | Wireless monitoring devices of mechanical vibration |
| CN110879823B (en) * | 2019-11-29 | 2022-10-14 | 华北科技学院 | Wireless monitoring devices of mechanical vibration |
| WO2022252408A1 (en) * | 2021-06-01 | 2022-12-08 | 国网重庆市电力公司电力科学研究院 | Multi-sensor data fusion-based self-powered transmission line online monitoring system |
| CN114486141A (en) * | 2021-12-23 | 2022-05-13 | 安徽科力信息产业有限责任公司 | Traffic signal machine impact inclination detection equipment and detection method |
| CN115015817A (en) * | 2022-05-20 | 2022-09-06 | 丹东富田精工机械有限公司 | Device and method for detecting probe state abnormity and contact abnormity on line |
| CN115015817B (en) * | 2022-05-20 | 2023-08-11 | 丹东富田精工机械有限公司 | Device and method for detecting abnormal state and abnormal contact of probe on line |
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