CN109406954A - Transmission line malfunction monitors position indicator system - Google Patents

Transmission line malfunction monitors position indicator system Download PDF

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Publication number
CN109406954A
CN109406954A CN201811652072.9A CN201811652072A CN109406954A CN 109406954 A CN109406954 A CN 109406954A CN 201811652072 A CN201811652072 A CN 201811652072A CN 109406954 A CN109406954 A CN 109406954A
Authority
CN
China
Prior art keywords
circuit
connect
unit
transmission
processing circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811652072.9A
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Chinese (zh)
Inventor
冯宗琮
王勋
余佩
李强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bei Bei Of Guo Wang Chongqing City Electrical Power Co Power Supply Branch
State Grid Corp of China SGCC
Original Assignee
Bei Bei Of Guo Wang Chongqing City Electrical Power Co Power Supply Branch
State Grid Corp of China SGCC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bei Bei Of Guo Wang Chongqing City Electrical Power Co Power Supply Branch, State Grid Corp of China SGCC filed Critical Bei Bei Of Guo Wang Chongqing City Electrical Power Co Power Supply Branch
Priority to CN201811652072.9A priority Critical patent/CN109406954A/en
Publication of CN109406954A publication Critical patent/CN109406954A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • G01R31/081Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/085Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/14Receivers specially adapted for specific applications
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

Abstract

A kind of transmission line malfunction provided by the invention monitors position indicator system, including fault detection unit, data processing unit, wireless transmission unit, remote monitoring unit and intelligent mobile terminal with Bluetooth function and fingerprint identification function;The fault detection unit is connect with data processing unit, and the data processing unit is communicated to connect by wireless transmission unit and remote monitoring unit;The intelligent mobile terminal and remote monitoring unit communicate to connect, and the intelligent mobile terminal is communicated to connect by bluetooth and fault detection unit;The failure of transmission line of electricity, such as failure of icing, broken string and joint looseness can accurately be detected;After failure occurs, timely and accurately abort situation can be marked.

Description

Transmission line malfunction monitors position indicator system
Technical field
The present invention relates to a kind of electric power monitoring systems more particularly to a kind of transmission line malfunction to monitor position indicator system.
Background technique
Transmission line of electricity is in electric power network using extremely wide and particularly important equipment, for by electric power from feeder ear It is transmitted to electricity consumption end, in electric power network operational process, needs to be monitored the operation troubles of transmission line of electricity, the prior art In, manual type is mainly used for the failure of transmission line of electricity, is walked from transmission line of electricity by electrical power line inspector, is obtained relevant Parameter or state, there are problems for this mode: firstly, being the safety issue of worker, since electrical power line inspector needs It walks on ultra-high-tension power transmission line, is easy to happen electric shock accidents, moreover, worker is in high dummy status on overhead transmission line road, though So there is safeguard measure, still, the accident that worker falls frequent occurrence, secondly, low efficiency, even more important is a bit: passing through The mode of worker's line walking causes the accuracy of testing result low due to artificial carelessness etc.;Although being directed to above-mentioned ask Topic, proposes some automatic monitoring systems, still, existing monitoring system can not accurately sentence failure in the prior art It is disconnected, moreover, accurate position indicating can not be carried out for operation maintenance personnel.
Therefore, in order to solve the above-mentioned technical problem, continue to propose a kind of new system.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of transmission line malfunctions to monitor position indicator system, it can be to defeated The failure of electric line, if the failure of icing, broken string and joint looseness is accurately detected, so that it is guaranteed that power-management centre is made Accurate O&M measure out, and do not need worker and carry out line walking, so that security risk existing for artificial line walking is effectively prevented, Detection efficiency is high, and accuracy is high;Moreover, timely and accurately abort situation can be marked, after failure occurs thus sharp Corresponding O&M operation is made in time in operation maintenance personnel, it is ensured that the stability of operation power.
At a kind of transmission line malfunction monitoring position indicator system, including fault detection unit, data provided by the invention Manage unit, wireless transmission unit, remote monitoring unit and the intelligent mobile terminal with Bluetooth function and fingerprint identification function;
The fault detection unit is connect with data processing unit, the data processing unit by wireless transmission unit with Remote monitoring unit communication connection;The intelligent mobile terminal and remote monitoring unit communicate to connect, the intelligent mobile terminal It is communicated to connect by bluetooth and fault detection unit;
The fault detection unit includes pretreatment unit, sensor unit, detection processing circuit, bluetooth module, UWB biography Defeated module, pulse signal detection unit, detection memory, GPS location circuit and acousto-optical prompting device;
The output end of the sensor unit is connect with the input terminal with pretreatment unit, the output of the pretreatment unit Degree understands with detection processing circuit, and the detection processing circuit is communicated to connect by UWB transmission module and data processing unit, institute It states detection processing circuit to communicate to connect by bluetooth module and intelligent mobile terminal, the GPS location circuit and detection processing electricity Road connection;The pulse signal detection unit and detection processing circuit connection;The detection memory and detection processing circuit are logical Letter connection;
The sensor unit includes the first temperature sensor, second temperature sensor, humidity sensor, Current Mutual Inductance Device, tension sensor, sensor of dust concentration, air velocity transducer, wind transducer and arc sensor.
Further, the pulse signal detection unit includes high-voltage pulse generating circuit, signal loading circuit, signal reception The output end of circuit and pulse processing circuit, the high-voltage pulse generating circuit is connect with the input terminal of signal loading circuit, The signal loading circuit is used to high-voltage pulse signal coupling loading on transmission line of electricity, the signal receiving circuit and power transmission line Road is of coupled connections, and the output end of the signal receiving circuit is connect with pulse processing circuit, the pulse processing circuit and detection Processing circuit communication connection, the control terminal and detection processing circuit connection of the high-voltage pulse generating circuit.
Further, the data processing unit includes data processing circuit, memory, GPS time service circuit, ZigBee transmission Circuit I;
The data processing circuit and memory communicate to connect, and the GPS time service circuit is connect with data processing circuit, institute It states data processing circuit to communicate to connect by ZigBee transmission circuit I and wireless transmission unit, the data processing circuit passes through UWB transmission module is connect with detection processing circuit communication.
Further, the wireless transmission unit include transmission process circuit, ZigBee transmission circuit II, transmission memory with And 4G communication module;
The transmission process circuit and ZigBee transmission circuit II communicate to connect, and ZigBee transmission circuit II and ZigBee are passed Transmission of electricity road I communicates to connect, and the transmission process circuit and transmission memory communicate to connect, and the transmission process circuit is logical by 4G Believe that module and remote monitoring unit communicate to connect.
Further, the remote monitoring unit includes monitoring server, touch control display, WEB server, storage server And combined aural and visual alarm;
The monitoring server is communicated to connect by 4G communication module and transmission server, the monitoring server and touch-control Display communication connection, the monitoring server and storage server communicate to connect, the output end and sound of the monitoring server Light crossing-signal connection, the WEB server and storage server communicate to connect, and the WEB server and intelligent mobile terminal are logical Letter connection, the intelligent mobile terminal are also communicated to connect with monitoring server.
Further, the pretreatment unit includes amplifying circuit, filter circuit and analog to digital conversion circuit, the amplification electricity The input terminal on road is connect with the output end of each sensor, and the output end of the amplifying circuit and the input terminal of filter circuit connect, The output end of the filter circuit and the input terminal of analog to digital conversion circuit connect, the output end of analog-digital conversion circuit as described and detection Processing circuit connection.
Further, the intelligent mobile terminal is smart phone.
Beneficial effects of the present invention: by means of the invention it is possible to the failure of transmission line of electricity, such as icing, broken string and connector The failure of loosening is accurately detected, so that it is guaranteed that accurate O&M measure is made in power-management centre, and does not need worker Line walking is carried out, to effectively prevent security risk existing for artificial line walking, detection efficiency is high, and accuracy is high;Moreover, working as failure After appearance, timely and accurately abort situation can be marked, so that be conducive to operation maintenance personnel makes corresponding O&M behaviour in time Make, it is ensured that the stability of operation power.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
Further description is made to the present invention below in conjunction with the attached drawing:
At a kind of transmission line malfunction monitoring position indicator system, including fault detection unit, data provided by the invention Manage unit, wireless transmission unit, remote monitoring unit and the intelligent mobile terminal with Bluetooth function and fingerprint identification function;
The fault detection unit is connect with data processing unit, the data processing unit by wireless transmission unit with Remote monitoring unit communication connection;The intelligent mobile terminal and remote monitoring unit communicate to connect, the intelligent mobile terminal It is communicated to connect by bluetooth and fault detection unit;
The fault detection unit includes pretreatment unit, sensor unit, detection processing circuit, bluetooth module, UWB biography Defeated module, pulse signal detection unit, detection memory, GPS location circuit and acousto-optical prompting device;
The output end of the sensor unit is connect with the input terminal with pretreatment unit, the output of the pretreatment unit Degree understands with detection processing circuit, and the detection processing circuit is communicated to connect by UWB transmission module and data processing unit, institute It states detection processing circuit to communicate to connect by bluetooth module and intelligent mobile terminal, the GPS location circuit and detection processing electricity Road connection;The pulse signal detection unit and detection processing circuit connection;The detection memory and detection processing circuit are logical Letter connection;
The sensor unit includes the first temperature sensor, second temperature sensor, humidity sensor, Current Mutual Inductance Device, tension sensor, sensor of dust concentration, air velocity transducer, wind transducer and arc sensor.Wherein, failure is examined Survey unit be it is multiple, be arranged along transmission line of electricity, so that all fronts to target line are detected, by means of the invention it is possible to right The failure of transmission line of electricity, if the failure of icing, broken string and joint looseness is accurately detected, so that it is guaranteed that power-management centre Accurate O&M measure is made, and does not need worker and carries out line walking, so that it is hidden to effectively prevent safety existing for artificial line walking Suffer from, detection efficiency is high, and accuracy is high;Moreover, timely and accurately abort situation can be marked after failure occurs, from And it is conducive to operation maintenance personnel and makes corresponding O&M operation in time, it is ensured that the stability of operation power
In the present embodiment, the pulse signal detection unit includes high-voltage pulse generating circuit, signal loading circuit, signal Circuit and pulse processing circuit are received, the output end of the high-voltage pulse generating circuit and the input terminal of signal loading circuit connect Connect, the signal loading circuit is used to high-voltage pulse signal coupling loading on transmission line of electricity, the signal receiving circuit with it is defeated Electric line is of coupled connections, and the output end of the signal receiving circuit is connect with pulse processing circuit, the pulse processing circuit with The connection of detection processing circuit communication, the control terminal and detection processing circuit connection of the high-voltage pulse generating circuit;By above-mentioned Structure, after pulse signal loads on transmission line of electricity, high-voltage pulse signal is along Transmission Lines, by signal receiving circuit It is no to receive the pulse signal, judge transmission line of electricity with the presence or absence of disconnection fault, wherein it is divided into multiple groups, such as: if at detection Reason circuit has three that A, B and C are arranged successively, then, high-voltage pulse generating circuit is just arranged at B, and high-voltage pulse occurs For circuit just with the detection processing circuit connection at B, pulse-detecting circuit and pulse processing circuit are respectively 2, are set respectively It is placed at A and the place C, the detection processing circuit connection at pulse processing circuit and A and at C, if the high-voltage pulse signal of B to A It receives normally, and the high-voltage pulse signal no signal of B to C, then show that the transmission line of electricity at the place B to C has the failure of broken string, thus Judge the position of disconnection fault;Wherein, high-voltage pulse generating circuit, signal loading circuit, signal receiving circuit are using existing Circuit.
In the present embodiment, the data processing unit includes data processing circuit, memory, GPS time service circuit, ZigBee Transmission circuit I;
The data processing circuit and memory communicate to connect, and the GPS time service circuit is connect with data processing circuit, institute It states data processing circuit to communicate to connect by ZigBee transmission circuit I and wireless transmission unit, the data processing circuit passes through UWB transmission module is connect with detection processing circuit communication, and data processing circuit for assisting the information received accordingly View conversion.
In the present embodiment, the wireless transmission unit includes transmission process circuit, ZigBee transmission circuit II, transmission storage Device and 4G communication module;
The transmission process circuit and ZigBee transmission circuit II communicate to connect, and ZigBee transmission circuit II and ZigBee are passed Transmission of electricity road I communicates to connect, and the transmission process circuit and transmission memory communicate to connect, and the transmission process circuit is logical by 4G Believe that module and remote monitoring unit communicate to connect, by above structure, can in time upload the data monitored, it is ensured that can Effective O&M treatment measures are made in time, guarantee the stability of electric system.
In the present embodiment, the remote monitoring unit includes monitoring server, touch control display, WEB server, storage clothes Business device and combined aural and visual alarm;
The monitoring server is communicated to connect by 4G communication module and transmission server, the monitoring server and touch-control Display communication connection, the monitoring server and storage server communicate to connect, the output end and sound of the monitoring server Light crossing-signal connection, the WEB server and storage server communicate to connect, and the WEB server and intelligent mobile terminal are logical Letter connection, the intelligent mobile terminal are also communicated to connect with monitoring server, wherein intelligent mobile terminal uses existing intelligence Mobile phone.
In the present embodiment, the pretreatment unit includes amplifying circuit, filter circuit and analog to digital conversion circuit, described to put The input terminal of big circuit is connect with the output end of each sensor, and the output end of the amplifying circuit and the input terminal of filter circuit connect Connect, the input terminal of the output end of the filter circuit and analog to digital conversion circuit connects, the output end of analog-digital conversion circuit as described with Detection processing circuit connection can be pre-processed each sensor information detected by above structure, be conducive to subsequent The work of detection processing circuit.
Detection processing circuit, pulse processing circuit, data processing circuit and transmission process circuit in the present invention use Existing single-chip microcontroller.
Further description is made to the working principle of the invention below:
The parameter measured in real time is uploaded to monitoring server by data processing unit, wireless transmission unit by each sensor Afterwards, monitoring server according to the following method judges failure:
First temperature sensor is used to detect temperature information between transmission line of electricity itself and transmission line of electricity connector, and second For temperature sensor for detecting environment temperature locating for transmission line of electricity, monitoring server is compared each temperature information:
If: the difference of the temperature of transmission line of electricity itself and environment temperature is less than the temperature and environment temperature of given threshold connector Difference is less than given threshold, and the temperature gap of the temperature of connector and transmission line of electricity itself is less than given threshold, shows power transmission line Road is normal;
If the temperature of transmission line of electricity itself and connector temperature difference are greater than given threshold, connecing for current transmission line of electricity is judged Head may break down, and monitoring server is according to dust concentration in dust sensor environment detected, and according to dust Historical data and wind speed size are calculated and (use existing algorithm), obtain the contamination parameter of joint, and monitoring service Device judges the number of the generation arc discharge of arc sensor joint detected, if electric discharge, the contamination parameter are less than Given threshold, and the arc discharge number of joint is greater than given threshold, then shows transmission line of electricity joint looseness, if contamination is joined Number is greater than given threshold and arc discharge number and is less than given threshold, then shows that connector occurs loosening or joint contamination at this time Seriously;
If the difference of the temperature of transmission line of electricity and the temperature of joint and environment temperature is all larger than given threshold, monitoring clothes Business device is judged according to the parameters of electric power that current transformer and voltage transformer are monitored, if current transformer and/or electricity The parameter that pressure mutual inductor is monitored is greater than setting therewith, shows that temperature rise is since electric current and/voltage fluctuation cause;
Monitoring server judges whether the pulling force of current conducting wire is greater than given threshold, if so, then by obtain wind speed and Wind direction is judged, the wind-force size for acting on transmission line of electricity is calculated by wind speed and direction, if actual measurement pulling force and pulling force threshold value Difference A and wind act on the difference C of wind-force B on the transmission line and be less than given threshold, then show the variation of pulling force at this time by Wind-force causes, if difference C is greater than given threshold, monitoring server is current defeated by current humidity and environment temperature judgement Whether electric line has a possibility that icing, such as nothing, then shows there is foreign matter on transmission line of electricity, if any icing, then according to current Wind speed, wind direction, temperature and humidity calculate the thickness and weight (calculating using existing icing algorithm) of icing, if icing The sum of the active force and the pulling force under original state of weight and wind-force then shows that transmission line of electricity is existing and covers still less than actual measurement pulling force Ice, and have foreign matter, it needs to handle in time.
Intelligent mobile terminal is that legal intelligent mobile terminal is registered in monitoring server, and by maintenance work, personnel hold, Detection processing circuit, by the effect of GPS location circuit, also will test locating for processing circuit when uploading real-time detection information Geographical location uploads, and still, which still has ambiguity, cannot specifically indicate abort situation;
After monitoring server judgement is out of order, O&M maintenance instruction is sent to intelligent mobile terminal, staff passes through Intelligent mobile terminal obtains the finger print information of the staff, and uploads, if finger print information and monitoring server prestored information Meet, then on the one hand monitoring server issues real-time bluetooth password to detection processing circuit, and detection processing circuit is by current indigo plant Tooth passwords are updated to the password that monitoring server issues, and on the other hand, monitoring server issues tool to intelligent mobile terminal Fault message, geographical location information and newest bluetooth password of body etc. after staff reaches specified geographical location, lead to It crosses intelligent mobile terminal and detection processing circuit carries out Bluetooth matching, input new bluetooth password, detection processing circuit receives just After true new password, control acousto-optical prompting device work is indicated the specific abort situation of transmission line of electricity, as bluetooth is close Code is incorrect, then uploads alarm command to monitoring server;Then cancel after the success of bluetooth password match, needs to wait and supervise next time Control server issues;Staff overhauls according to instruction to designated position, in maintenance process, passes through WEB server Real-time monitoring information can be inquired to do O&M guidance.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this In the scope of the claims of invention.

Claims (7)

1. a kind of transmission line malfunction monitors position indicator system, it is characterised in that: including fault detection unit, data processing list Member, wireless transmission unit, remote monitoring unit and the intelligent mobile terminal with Bluetooth function and fingerprint identification function;
The fault detection unit is connect with data processing unit, and the data processing unit is by wireless transmission unit and remotely Monitoring unit communication connection;The intelligent mobile terminal and remote monitoring unit communicate to connect, and the intelligent mobile terminal passes through Bluetooth and fault detection unit communicate to connect;
The fault detection unit includes pretreatment unit, sensor unit, detection processing circuit, bluetooth module, UWB transmission mould Block, pulse signal detection unit, detection memory, GPS location circuit and acousto-optical prompting device;
The output end of the sensor unit is connect with the input terminal with pretreatment unit, the output degree of the pretreatment unit with Detection processing circuit understands, and the detection processing circuit is communicated to connect by UWB transmission module and data processing unit, the inspection It surveys processing circuit to communicate to connect by bluetooth module and intelligent mobile terminal, the GPS location circuit and detection processing circuit connect It connects;The pulse signal detection unit and detection processing circuit connection;The detection memory and detection processing circuit communication connect It connects;
The sensor unit includes the first temperature sensor, second temperature sensor, humidity sensor, current transformer, drawing Force snesor, sensor of dust concentration, air velocity transducer, wind transducer and arc sensor.
2. transmission line malfunction monitors position indicator system according to claim 1, it is characterised in that: the pulse signal inspection Surveying unit includes high-voltage pulse generating circuit, signal loading circuit, signal receiving circuit and pulse processing circuit, the high pressure The output end of pulse generating circuit is connect with the input terminal of signal loading circuit, and the signal loading circuit is used for high-voltage pulse Signal coupling loads on transmission line of electricity, and the signal receiving circuit is of coupled connections with transmission line of electricity, the signal receiving circuit Output end is connect with pulse processing circuit, and the pulse processing circuit is connect with detection processing circuit communication, the high-voltage pulse The control terminal and detection processing circuit connection of circuit occurs.
3. transmission line malfunction monitors position indicator system according to claim 2, it is characterised in that: the data processing list Member includes data processing circuit, memory, GPS time service circuit, ZigBee transmission circuit I;
The data processing circuit and memory communicate to connect, and the GPS time service circuit is connect with data processing circuit, the number It is communicated to connect according to processing circuit by ZigBee transmission circuit I and wireless transmission unit, the data processing circuit is passed by UWB Defeated module is connect with detection processing circuit communication.
4. transmission line malfunction monitors position indicator system according to claim 3, it is characterised in that: the wireless transmission is single Member includes transmission process circuit, ZigBee transmission circuit II, transmission memory and 4G communication module;
The transmission process circuit and ZigBee transmission circuit II communicate to connect, ZigBee transmission circuit II and ZigBee transmission electricity Road I communicates to connect, and the transmission process circuit and transmission memory communicate to connect, and the transmission process circuit communicates mould by 4G Block and remote monitoring unit communicate to connect.
5. transmission line malfunction monitors position indicator system according to claim 4, it is characterised in that: the long-range monitoring list Member includes monitoring server, touch control display, WEB server, storage server and combined aural and visual alarm;
The monitoring server is communicated to connect by 4G communication module and transmission server, and the monitoring server and touch-control are shown Device communication connection, the monitoring server and storage server communicate to connect, the output end and acousto-optic report of the monitoring server Alert device connection, the WEB server and storage server communicate to connect, the WEB server and intelligent mobile terminal communication link It connects, the intelligent mobile terminal is also communicated to connect with monitoring server.
6. transmission line malfunction monitors position indicator system according to claim 5, it is characterised in that: the pretreatment unit Including amplifying circuit, filter circuit and analog to digital conversion circuit, the output end of the input terminal of the amplifying circuit and each sensor Connection, the output end of the amplifying circuit and the input terminal of filter circuit connect, and the output end and modulus of the filter circuit turn Change the input terminal connection of circuit, the output end and detection processing circuit connection of analog-digital conversion circuit as described.
7. transmission line malfunction monitors position indicator system according to claim 6, it is characterised in that: the intelligent mobile is whole End is smart phone.
CN201811652072.9A 2018-12-31 2018-12-31 Transmission line malfunction monitors position indicator system Pending CN109406954A (en)

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Application Number Priority Date Filing Date Title
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CN112953763A (en) * 2021-01-29 2021-06-11 珠海云洲智能科技股份有限公司 Fault detection method and device based on unmanned ship system and terminal
CN112953763B (en) * 2021-01-29 2022-12-06 珠海云洲智能科技股份有限公司 Fault detection method, device and terminal based on unmanned ship system
CN115865731A (en) * 2022-11-28 2023-03-28 四川天邑康和通信股份有限公司 Communication test system, method and storage medium for gateway equipment and network set-top box
CN115865731B (en) * 2022-11-28 2024-04-09 四川天邑康和通信股份有限公司 Gateway equipment and network set top box communication test system, method and storage medium

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