CN110048504A - A kind of threshold setting method and device of steel tower alarm monitoring - Google Patents
A kind of threshold setting method and device of steel tower alarm monitoring Download PDFInfo
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- CN110048504A CN110048504A CN201910156800.5A CN201910156800A CN110048504A CN 110048504 A CN110048504 A CN 110048504A CN 201910156800 A CN201910156800 A CN 201910156800A CN 110048504 A CN110048504 A CN 110048504A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 22
- 239000010959 steel Substances 0.000 title claims abstract description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 78
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 229910052742 iron Inorganic materials 0.000 claims abstract description 39
- 238000012423 maintenance Methods 0.000 claims abstract description 21
- 238000012806 monitoring device Methods 0.000 abstract description 12
- 238000010295 mobile communication Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 238000007726 management method Methods 0.000 description 16
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 9
- 238000001514 detection method Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
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- 230000005856 abnormality Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
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- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
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- 239000000203 mixture Substances 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
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- 238000007689 inspection Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- 238000010223 real-time analysis Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
The present invention relates to field of power transmission, and in particular to the threshold setting method and device of a kind of alarm monitoring.The threshold setting method and device of alarm monitoring proposed by the present invention, the threshold value setting information that power scheduling computer room is sent is received by Beidou transmission terminal, when the working condition of Iron tower incline monitoring device, such as inclination number, temperature, humidity, cell voltage, the threshold range of setting is had exceeded, then warning message is sent to power scheduling computer room by Beidou transmission terminal.Power scheduling computer room sends maintenance personnel to safeguard Iron tower incline monitoring device according to the content of warning message.The present invention solves in the prior art due to steel tower device remoteness area, the technical problem inconvenient using mobile communications network, construction dedicated network is expensive, and reduces the security risk of the upper tower maintenance of maintenance personnel.
Description
Technical field
The present invention relates to field of power transmission, more particularly to the threshold setting method and dress of a kind of steel tower alarm monitoring
It sets.
Background technique
Iron tower of power transmission line is for supporting the pylon structure with aerial condutor, lightning conducter and other attachmentes, so that conducting wire
Between conducting wire, conducting wire and shaft tower, conducting wire and lightning conducter, conducting wire to ground or scissors crossing object keep as defined in safe distance
Towering formula structure.
China territory length and breadth of land, topography complicated condition, in recent years, due to some natural causes (such as sleet, typhoon weather)
And the reasons such as coal mining, engineering construction, artificial destruction the case where causing tower body to tilt, happens occasionally.If tower body tilts to
Will cause transmission line of electricity interruption to a certain degree will cause the event of falling tower if inclination is more serious.These all will be to power transmission network
Safe operation great threat, cause damages to people's lives and properties.
The way that monitoring for Iron tower incline uses is manual inspection, is detected and is recorded using measurement rifle, this
Way can not be quickly detected the case where steel tower, also without carry out in real time analysis Iron tower incline amplitude with it is whether stable, this
Kind way causes labor workload too big, and cost of labor is very high, and relatively time-consuming, and working efficiency is low.
With the development of sensor technology and mobile communication technology and universal, sensor is examined using mobile communications network
The Iron tower incline data measured are transmitted, and make the tilt detection of steel tower more convenient and efficient.Electric power tower all capital construction mostly
In the place of some no base stations, the detection data of sensor can not effectively be transmitted by mobile communications network；If built
The technical issues of vertical dedicated communications network, then it is long to be faced with the construction time, and maintenance cost is high, Maintenance Difficulty.
Further, the prior art only realizes the acquisition to Iron tower incline data.After data acquisition, how iron is judged
Whether tower or tilt data acquisition equipment state are abnormal, if need that maintenance personnel is sent to be safeguarded in time, to reduce iron
Potential risk existing for tower and acquisition equipment, is not directed to.
Summary of the invention
To solve the above-mentioned problems, the object of the present invention is to provide a kind of threshold setting method of steel tower alarm monitoring and
Device.
Device is arranged in the threshold value of Iron tower incline alarm monitoring proposed by the present invention, and the threshold value setting device includes: inclination
Sensor, inclination monitoring integral box；
Inclination sensor is mounted on the tower body of steel tower, acquires the tilt data at each position of tower body；
The inclination monitoring integral box is connected with inclination sensor, and the inclination monitoring integral box is mounted on tower body, institute
Stating inclination monitoring integral box includes: Beidou transmission terminal and master control borad；
The Beidou transmission terminal receives power scheduling computer room and data is arranged by the threshold value that dipper system is sent, and will
Threshold value setting data are transferred to master control borad.
Preferably, threshold value setting data include: threshold tipping value range, temperature threshold range, humidity threshold range and
Voltage threshold range.
Preferably, data are arranged in the threshold value further include: authentication code, prefix, order identity code and check code.
Preferably, the inclination monitors integral box further include: temperature sensor, humidity sensor and voltage management unit,
The temperature sensor, humidity sensor and voltage management unit are connected with master control borad；
The master control borad also obtains the acquisition data in temperature sensor, humidity sensor and voltage management unit；
The acquisition data include: temperature data, humidity data and voltage data；
Master control borad will acquire data and threshold range compares, main if acquisition data are greater than the range of the setting threshold value
Control plate generates error code and is sent to power scheduling computer room by Beidou transmission terminal.
Preferably, in the error code include mark inclination sensor angle transfinites, temperature over-range, humidity transfinite and
Voltage transfinites information.
The present invention also proposes a kind of threshold value setting side of Iron tower incline monitoring on the basis of device is arranged in above-mentioned threshold value
Method, it is characterised in that: the threshold setting method the following steps are included:
1) threshold value setting data are transferred to Beidou transmission terminal by dipper system by power scheduling computer room；
2) threshold value setting data are transferred to the master control borad in inclination monitoring integral box by Beidou transmission terminal.
Preferably, the threshold value setting data include: threshold tipping value, temperature threshold, humidity threshold and voltage threshold.
Preferably, the threshold setting method is further comprising the steps of after step 2):
3) comparison acquisition data and threshold value
Master control borad collects tilt data, temperature data, humidity data and voltage data, and compare above-mentioned collection data with
Threshold data；
4) it generates error code and alarms
If acquisition data have exceeded threshold range, master control borad generates error code, and error code is transmitted by Beidou
Terminal is sent to power scheduling computer room；Otherwise terminate.
Preferably, the threshold setting method is further comprising the steps of after step 4):
5) power scheduling computer room receives and parses through the error code, if error code includes warning message, power scheduling
Computer room sends maintenance terminal for the maintenance information after administrative staff authorize by operator base station.
Preferably, the threshold setting method is after step 5) further include:
6) threshold range is arranged by Bluetooth control unit in maintenance terminal.
The threshold setting method and device of a kind of Iron tower incline alarm monitoring provided by the invention, can be timely to iron
The abnormality of tower and Iron tower incline acquisition equipment is reported in time.Technical solution proposed by the present invention passes through Iron tower incline
It acquires equipment and acquires Iron tower incline data, setting related sensor is monitored the working condition of Iron tower incline acquisition equipment
Sensing data is acquired, and is sent to power scheduling for the warning message obtained after sensing data is handled using dipper system
Computer room, realizing can be realized effectively and stably even if mobile communications network unsound place by steel tower and steel tower
The exception information of inclination acquisition equipment is returned.A large amount of manpower and material resources can be saved, notes abnormalities and alarms in time, are subtracted
Few exception bring economy and equipment loss.
Detailed description of the invention
Fig. 1 is the Iron tower incline test device block diagram of the embodiment of the present invention；
Fig. 2 is the connection figure of the intelligent control host of the embodiment of the present invention；
Fig. 3 is the error code meaning figure of the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Technical solution of the present invention is applied to Iron tower incline monitoring device (its structure is as shown in Fig. 1), and the steel tower
Inclined monitor includes: inclination sensor, inclination monitoring integral box.The inclination sensor is mounted on the tower body of steel tower,
Multiple inclination sensors can be carried out being installed to each position acquisition Iron tower incline angle-data of tower body；The inclination monitoring
Integral box is connected with inclination sensor, and the collected data of inclination sensor are handled, and forms Big Dipper short message, it
The Big Dipper short message is transferred to by power scheduling computer room by dipper system afterwards；Electric power can also be received by dipper system
The control instruction of computer room is dispatched, and executes corresponding function.
The power scheduling computer room is with the following functions:
A) storage and management are carried out to the data that Iron tower incline monitoring device is sent；
B) data sent to Iron tower incline monitoring device parse and find warning message；
C) warning message is handled.
The power scheduling computer room includes monitoring management system；
The monitoring management system all shows administrator to all data that Iron tower incline monitoring device is transmitted in real time
Member.
Preferably, the real-time model that steel tower state is generated according to above-mentioned data, reacts the working condition of steel tower.
Inclination monitoring integral box for equipment component fixation, protection with it is antitheft, the integral box is mounted to steel tower
On.Inclination monitoring integral box includes: intelligent control host, Beidou transmission terminal, Bluetooth antenna and power module.
Attached drawing 2 illustrates the connection figure of intelligent control host.The data of intelligent control host acquisition collector are simultaneously
It is parsed, while the working environments information such as temperature collection, humidity, and above- mentioned information is converted into Big Dipper short message and are returned
It passes, while receiving the director data sent back to and carrying out parsing control equipment；Beidou transmission terminal is used to collect by Beidou passback
Data；Bluetooth antenna can control host by bluetooth equipment for equipment personnel come monitoring intelligent；Power module is intelligence
It can control host, Beidou transmission terminal and inclination sensor and power supply be provided, which includes: battery and photovoltaic panel；Battery
For providing equipment power supply；Photovoltaic panel is used to charge for battery last.
It can choose and the inclination sensor is connected to the inclination monitoring collection using the mode that RS232 serial ports connects
At case, the interface connection of other inclination sensors support also can choose.
The inclination monitoring integral box includes: Beidou transmission terminal, Bluetooth antenna, power module, fan and intelligent control
Host.
The Beidou transmission terminal includes data communication units and Beidou antenna.The Beidou transmission terminal and intelligence are controlled
Host processed carries out signal connection, and the content for meeting Beidou transmission agreement that smart host is received and processed passes through dipper system
It is sent to power scheduling computer room, data that power scheduling computer room is sent or instruction can also be transmitted to intelligence by Beidou transmission terminal
Host is controlled, realizes the monitoring to intelligent control host.The use of Beidou transmission terminal, so that Iron tower incline equipment is in movement
The place of communication base station can also carry out valid data passback, the limitation and use movement without regard to mobile communication base station
Communicate bring great number cost.
Bluetooth antenna is connected with intelligent control host, enables intelligent control host receiving bluetooth or instruction.
The power module includes: battery and photovoltaic panel.Photovoltaic panel can be generated electricity by photovoltaic, and electric energy is transmitted
To battery, charge the battery.The power module is the power supply of tower inclined monitor, enables Iron tower incline detection device
It is enough to be worked normally in the case where not accessing alternating current, it realizes the convenience of installation and relieves using alternating current installation
Various limitations.
The intelligent control host and Beidou transmission terminal, there are signal connections for Bluetooth antenna, and by electric power source pair of module intelligence
It can control host, the power supply of Beidou transmission terminal.
The intelligent control host includes temperature sensor, humidity sensor, Power Management Unit and master control borad, described
Master control borad is connected with the inclination sensor, temperature sensor, humidity sensor and voltage management unit.
The temperature sensor and humidity sensor are selected RS232 serial ports to realize the connection with master control borad, can also be selected
Select the port that other temperature sensors and humidity sensor are supported.The master control borad by inclination sensor, temperature sensor,
Humidity sensor and the tilt data in voltage management unit, temperature data, humidity data, voltage data collect inclination monitoring
It is detected at the working condition (such as temperature, humidity, battery voltage information) of case, is preset if the temperature information detected is higher than
Threshold temperature when, then start inclination monitoring integral box inside fan, reduce inclination monitoring integral box inside temperature, prevent
Only the excessively high equipment to inside inclination monitoring integral box of temperature causes irreversible damage.
Data processing unit is got it after the work state information of work state information and fan in the master control borad
Processing, and by treated, work state information is sent to power scheduling computer room by Beidou transmission terminal.
The Power Management Unit is monitored voltage, the current parameters of the battery in power module, and realizes to electricity
The management of the charge and discharge in pond, realization efficiently manage power module；And battery dump energy is obtained by battery voltage data
Value.Data processing unit can obtain all values in the Power Management Unit about power module in the master control borad.
The master control borad includes data processing unit, storage unit and Bluetooth control unit.
The data processing unit can be to inclination sensor, temperature sensor, humidity sensor, Power Management Unit
The data saved in collected or storage unit are parsed, and above-mentioned data are packaged as to the format of Big Dipper short message.
The storage unit is to inclination sensor, temperature sensor, the collected data of humidity sensor and intelligent control
The running state data (i.e. work log) of host.
The Bluetooth control unit is connected with Bluetooth antenna, (can safeguard eventually with the handheld device of maintenance personnel
End) it is connected, the data of the inside of inclination monitoring integral box are monitored and are safeguarded.
Bluetooth control unit can read the content in data processing unit, storage unit and Beidou transmission terminal, simultaneously
The partial content of data processing unit, storage unit and Beidou transmission terminal is written in realization.
Therefore, Bluetooth control unit can be realized under the control of maintenance personnel's handheld device to Beidou transmission terminal
The configuration and reading of the information such as the network information, account information and S/N information；Realize S/N (the i.e. sequence to intelligent control host
Number) configuration and reading of the information such as information and account information；Realize the reading to the job information of temperature, humidity, inclination and power supply
It takes；Read the work log of intelligent control host；It further can be realized the firmware upgrade operation of smart host.
The setting of the Bluetooth control unit makes maintenance personnel to the Iron tower incline proposed by the present invention being mounted on steel tower
All information of detection device are configured and are read.So that maintenance personnel can detect Iron tower incline by Bluetooth communication
Equipment is safeguarded, without climbing up towering steel tower, reduces the security risk of maintenance personnel.In order to realize sensor
Collected data are sent to power scheduling computer room by Beidou transmission terminal, due to the limitation of dipper system civil time, pass
Defeated content-length is limited, using the data processing unit in intelligent control host to the collected number of sensor in the present embodiment
According to progress local parsing, and the data after parsing are packaged to referred to as Big Dipper short message together with error code, are transmitted by Beidou
Terminal is sent to power scheduling computer room.
Its data transmission format is as shown in table 1.Transmitting data format includes: prefix, order identity code, tilt data, temperature
The information such as humidity, cell voltage, error code and check code.
1 Iron tower incline monitoring device data transmission format of table
Wherein tilt data is the three axis data connections composition of two inclination sensors.For example, 10345670
00456780 00000000 indicate that the angle of X-axis is -34.5670 °, and Y-axis angle is+45.6780 °, and Z axis is not opened.
Temperature and humidity is that temperature data connect composition with humidity data.Such as 123456 indicate temperature be 23.4 DEG C, it is relatively wet
Degree is 56%, wherein 1 indicates that temperature is negative value.
Cell voltage indicates the voltage value for the battery that Power Management Unit detects.Such as 1234 expression cell voltage be
12.34V。
Wherein the definition of error code is as shown in Fig. 2.
Error code totally 16, each can represent an abnormality.When abnormality occurs, if occurring different
For Chang Ze according to unusual condition by the abnormal position 1 of corresponding positions, it is 0 that response bit, which is otherwise arranged,.When error code is simply by the presence of 1, then
Indicate that there are warning messages in error code.It should be noted that intelligent control host, which is taken, first detects that exception first alarms
Principle, so after the alarm of multiple exception-triggereds, it can be successively by corresponding position 1.
After triggering alarm, Iron tower incline detection device is automatically into reporting mode.And if only if abnormal releasing, ability
It exits and reports mode.Maloperation in order to prevent, abnormal release only are released by following two method:
A) alarm threshold value is reset；
B) physical quantity alarmed is restored within threshold range.
On the other hand, in order to realize control of the power scheduling computer room to Iron tower incline detection device, power scheduling computer room is also
Big Dipper short message being sent by Beidou transmission terminal and giving Iron tower incline detection device, the threshold value or threshold value of sensor are set
Range.If the numerical value detected exceeds the setting value or range, Iron tower incline detection device will be reported by Beidou transmission terminal
Alert information is sent to power scheduling computer room.
Table 2 describes Iron tower incline monitoring device alarm threshold value setting format, by electric power tune in the form of Big Dipper short message
Degree computer room is sent to the threshold value setting information of Iron tower incline monitoring device.It include: authentication code, prefix, order mark in the format
The information such as code, threshold tipping value, temperature threshold, humidity threshold, battery voltage threshold and check code.
Wherein, the length of authentication code is 2 bytes；The length of prefix, order identity code and check code is 1 byte；Humidity
The length of threshold value and battery voltage threshold is 2 bytes；The length of threshold tipping value is 12 bytes.
Format is arranged in 2 Iron tower incline monitoring device alarm threshold value of table
Threshold tipping value is made of the threshold value connection of two inclination sensors, and the threshold value of each sensor is M ± X.xxx, N
± Y.yyy, Q ± Z.zzz.It is wherein after intelligent control host receives this instruction, according to inclination with reference to angle M, N, Q
Sensor calculated average value of collected three axis (i.e. X-axis, Y-axis, Z axis) data within 5 second time.
Temperature threshold is a temperature range, if the temperature that temperature sensor detects sends alarm beyond the range
Information.Such as SLLtSHHt=1200 0506, expression temperature range are -20 DEG C < T < 50.6 DEG C.
Humidity threshold is that a humidity range if the humidity that humidity sensor detects has exceeded the range sends police
It notifies breath.For example, RLRH=2080 indicates that humidity range is 20%~80%.
Battery voltage threshold is a voltage range, if the voltage value that Power Management Unit detects has exceeded the range,
Then send warning information.For example, VLvvVHvv=11001350 indicates voltage range in 11.00V~13.05V.
Power scheduling computer room is after the Big Dipper short message for receiving the transmission of Iron tower incline monitoring device, to Big Dipper short message
It is parsed, the content transmission parsed is shown into monitoring management system；If shifting can also be passed through including warning message
Warning message is sent to administrative staff by the operator base station of dynamic network, notifies maintenance personnel to being abnormal by administrative staff
Steel tower at steel tower and Iron tower incline monitoring device are safeguarded.
Maintenance personnel can be configured threshold data by Bluetooth control unit, and intelligent control host can be certainly at this time
Dynamic that the threshold value of setting is sent to power scheduling computer room by Beidou transmission terminal and is given a warning, power scheduling computer room can
Threshold value setting is obtained in time changes situation.Threshold value can be reasonably arranged according to the situation at steel tower scene in maintenance personnel in this way,
Although can to avoid maintenance personnel's threshold value be arranged fault cause to monitor steel tower data, to potential risks without
The case where method obtains in time.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these improve and replace
It changes and also should be regarded as protection scope of the present invention.
Claims (10)
1. device is arranged in a kind of threshold value of Iron tower incline alarm monitoring, which is characterized in that the threshold value setting device includes: inclination
Sensor, inclination monitoring integral box；
Inclination sensor is mounted on the tower body of steel tower, acquires the tilt data at each position of tower body；
The inclination monitoring integral box is connected with inclination sensor, and the inclination monitoring integral box is mounted on tower body, described to incline
Tiltedly monitoring integral box includes: Beidou transmission terminal and master control borad；
The Beidou transmission terminal receives power scheduling computer room and data is arranged by the threshold value that dipper system is sent, and threshold value is set
It sets data and is transferred to master control borad.
2. device is arranged in a kind of threshold value as described in claim 1, which is characterized in that the threshold value setting data include: inclination
Threshold range, temperature threshold range, humidity threshold range and voltage threshold range.
3. device is arranged in a kind of threshold value as claimed in claim 2, which is characterized in that data are arranged in the threshold value further include: mirror
Weighted code, prefix, order identity code and check code.
4. device is arranged in a kind of threshold value as claimed in claim 3, which is characterized in that the inclination monitors integral box further include:
Temperature sensor, humidity sensor and voltage management unit, the temperature sensor, humidity sensor and voltage management unit are equal
It is connected with master control borad；
The master control borad obtains the acquisition data in temperature sensor, humidity sensor and voltage management unit；
The acquisition data include: temperature data, humidity data and voltage data；
Master control borad will acquire data and threshold data compares, if acquisition data are greater than the range of the setting threshold value, master control borad
It generates error code and power scheduling computer room is sent to by Beidou transmission terminal.
5. device is arranged in a kind of threshold value as claimed in claim 4, which is characterized in that include mark inclination in the error code
Information that sensor angles transfinite, temperature over-range, humidity transfinite and voltage transfinites.
6. a kind of threshold setting method of Iron tower incline monitoring according to any one of claims 1 to 5, it is characterised in that: institute
State threshold setting method the following steps are included:
1) threshold value setting data are transferred to Beidou transmission terminal by dipper system by power scheduling computer room；
2) threshold value setting data are transferred to the master control borad in inclination monitoring integral box by Beidou transmission terminal.
7. a kind of threshold setting method as claimed in claim 6, it is characterised in that: the threshold value setting data include: inclination
Threshold range, temperature threshold range, humidity threshold range and voltage threshold range.
8. a kind of threshold setting method as claimed in claim 7, which is characterized in that the threshold setting method is after step 2)
It is further comprising the steps of:
3) comparison acquisition data and threshold value
Master control borad collects tilt data, temperature data, humidity data and voltage data, and compares above-mentioned collection data and number of threshold values
According to；
4) it generates error code and alarms
If acquisition data have exceeded threshold range, master control borad generates error code, and error code is passed through Beidou transmission terminal
It is sent to power scheduling computer room；Otherwise terminate.
9. a kind of threshold setting method as claimed in claim 8, which is characterized in that the threshold setting method is after step 4)
It is further comprising the steps of:
5) power scheduling computer room receives and parses through the error code, if error code includes warning message, power scheduling computer room
Maintenance terminal is sent by the maintenance information after administrative staff authorize by operator base station.
10. a kind of threshold setting method as claimed in claim 9, which is characterized in that the threshold setting method is in step 5)
Afterwards further include:
6) threshold range is arranged by Bluetooth control unit in maintenance terminal.
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| CN201910156800.5A CN110048504A (en) | 2019-03-01 | 2019-03-01 | A kind of threshold setting method and device of steel tower alarm monitoring |
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| CN201910156800.5A CN110048504A (en) | 2019-03-01 | 2019-03-01 | A kind of threshold setting method and device of steel tower alarm monitoring |
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| CN111614158A (en) * | 2020-05-07 | 2020-09-01 | 广东中立建设有限公司 | 10kv power supply matching and control method, device, equipment and medium |
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| CN107101615A (en) * | 2017-04-27 | 2017-08-29 | 河海大学 | Incline monitoring system for electric transmission line pole and its application process based on Bluetooth communication |
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Application publication date: 20190723 |
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