CN108767983A - A kind of the micromation intelligent on-line monitoring device and monitoring method of low-voltage distribution apparatus - Google Patents
A kind of the micromation intelligent on-line monitoring device and monitoring method of low-voltage distribution apparatus Download PDFInfo
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Abstract
The present invention relates to low-voltage distribution apparatus fields, and in particular to a kind of micromation intelligent on-line monitoring device of low-voltage distribution apparatus.The intelligent on-line monitoring device includes sensor unit, processor unit, wireless transmission unit, Power Management Unit and storage unit, the processor unit is connect with sensor unit, wireless transmission unit, Power Management Unit and storage unit respectively, the processor unit is connect with sensor unit, and is received running state information and stored, managed and processing operation.The invention further relates to a kind of monitoring methods of low-voltage distribution apparatus.The beneficial effects of the present invention are, compared with prior art, the present invention passes through wireless internet of things and New Sensing Technology, the information such as temperature, line current and the voltage of the inlet-outlet line of real time on-line monitoring low-voltage distribution apparatus, smog, real-time calculation and analysis, the fault pre-alarming for realizing low-voltage distribution system, prevents fire incident.
Description
Technical field
The present invention relates to low-voltage distribution apparatus fields, and in particular to a kind of micromation intelligent online prison of low-voltage distribution apparatus
Control device and monitoring method.
Background technology
As city low-voltage distribution apparatus is directly facing user, and there is huge radix, it has also become the weight of power distribution network
Want component part.In During Process of Long-term Operation, since environmental condition is poor, running current is big, and radiate bad, the joint area of equipment
The problems such as because of insulation ag(e)ing or excessive contact resistance, it is susceptible to superheating phenomenon, the service life for influencing equipment even results in fire
Calamity directly affects the reliability service of entire taiwan area to cause large-area power-cuts, and therefore, electric company can periodically match low pressure
The inlet-outlet line surface temperature of electric equipment measures；But according to incompletely statistics, there is difference in domestic many electric companies
The low-voltage distribution cabinet and ammeter box fire incident of degree, and huge economic losses or even human life's property loss are caused, therefore
It is necessary to take, one kind is efficient, easily measure realizes on-line temperature monitoring and fire alarm to low-voltage distribution apparatus.
However, since low-voltage distribution apparatus has the characteristics that Regional Distribution is wide and quantity is big, need the node monitored more,
According to personal monitoring's means, inefficiency, and daily O&M is very difficult；And with the propulsion of urbanization process, and
The offer of living standards of the people, the construction with electricity consumption facility is more and more, and maintenance is increasing, and manapower allocation is difficult to cover.
Therefore, there is an urgent need to a kind of intelligent operational systems to ensure electricity system while reducing manpower demand by those skilled in the art
Reliability service.
Further, low-voltage distribution system network topology structure is complicated, most of not have due to historical reasons or reorganization and expansion
Drawing record, thus can not carry out subregion, partial pressure, separated time and point taiwan area line loss programming count line loss calculation.In distribution transformer load
In real time on the basis of monitoring, cutting load testing is not comprehensive, can not plan distribution and provide decision.
Currently, the daily O&M of low-voltage distribution, only uses temperature display wax sheet or infrared radiation thermometer to carry out regular thermometric, two kinds of sides
Formula is required to that a large amount of manpower is arranged to carry out inspection in 24 hours, and because being limited by operating condition in real work, O&M human hand is not
Foot, the work of low-voltage distribution apparatus temperature patrol inspection are ignored, and cause many accidents and economic loss；And occur in recent years very much
It monitors solution on-line, can not solve the problems, such as communication, working power and construction convenience well, it is difficult to batch application
It promotes.
Invention content
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of low-voltage distribution and sets
Standby micromation intelligent on-line monitoring device solves existing monitoring structure complexity, is not easy to communicate and mass produce to promote
The problem of.
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of low-voltage distribution and sets
Standby monitoring method solves the problems such as existing monitoring efficiency is low, monitoring is not intelligent.
The technical solution adopted by the present invention to solve the technical problems is：A kind of micromation intelligence of low-voltage distribution apparatus is provided
Energy on-line monitoring device, the micromation intelligent on-line monitoring device include：Sensor unit obtains the fortune of low-voltage distribution apparatus
Row status information；Processor unit, the processor unit are connect with sensor unit, and receive running state information and into
Row storage, management and processing operation；Wireless transmission unit, the wireless transmission unit are connect with processor unit, and at acquisition
The running state information that device unit or other low-voltage distribution apparatus are sent is managed, is sent directly in exterior gateway, or pass through it
He is sent to as communication node in exterior gateway low-voltage distribution apparatus；Storage unit, the storage unit and processor unit
Connection, and running state information is locally stored；Power Management Unit carries out energy collection and is low-voltage distribution apparatus
Functional unit is powered.
Wherein, preferred version is：The running state information includes temperature data information, current data information and voltage number
It is believed that breath, the processor unit includes a judgment module, and the judgment module is by temperature data information and current data information
It compares and analyzes, judges whether failure, pass through wireless transmission unit reporting fault information or alarm if existing；And
The judgment module obtains fault type according to the abnormal conditions of voltage data information.
Wherein, preferred version is：The processor unit includes a sleep block, timing trigger module and event trigger mode
Block, the sleep block control processor unit enter dormant state, and the timing trigger module is called out according to preset time timing
Awake processor unit, the event trigger module are equipped with a variety of trigger conditions, and the wake-up processor list after trigger condition triggering
Member, the processor unit acquire running state information by data collection terminal mouth upon awakening.
Wherein, preferred version is：Wireless transmission unit includes LPWAN transmission modules and LPWAN antennas, and the LPWAN is passed
Defeated module is connect with processor unit, and realizes the transmission of data by LPWAN antennas according to the control of processor unit.
Wherein, preferred version is：The sensor unit include temperature sensor, current sensor, voltage sensor and
Smoke sensor device；The temperature sensor is arranged on the cable or busbar of low-voltage distribution apparatus, and obtains its running temperature number
According to；The current sensor obtains the line current data of low-voltage distribution apparatus；The voltage sensor obtains low-voltage distribution and sets
Standby line voltage distribution data；The smoke sensor device is monitored for smog.
Wherein, preferred version is：The Power Management Unit include battery modules and it is micro- can acquisition module, it is described micro- to adopt
Collect module acquisition environment electromagnetics field energy or thermal energy, and be converted into electric energy, is that the functional unit of low-voltage distribution apparatus powers or is
Battery modules charge.
Wherein, preferred version is：The micromation intelligent on-line monitoring device include SOE event recording units and with processing
The external clock unit of the clock signal synchronization of device unit, the external clock unit provide SOE things for SOE event recording units
The record time of part.
Wherein, preferred version is：The electricity that the micromation intelligent on-line monitoring device includes shell and is arranged in shell
Road harden structure, the shell are fixed on the cable of low-voltage distribution apparatus.
The technical solution adopted by the present invention to solve the technical problems is：A kind of monitoring side of low-voltage distribution apparatus is provided
Method, the monitoring method are applied in the micromation intelligent on-line monitoring device, and the step of monitoring method includes：Setting
And edit each taiwan area and corresponding circuit number；Acquire the voltage data information and current data information of low-voltage distribution apparatus；It obtains
The line loss situation for taking low-voltage distribution apparatus, is managed by taiwan area and corresponding circuit number.
Wherein, preferred version is that the monitoring method further includes：According to voltage data information, topological circuit is automatically generated
Structure, and fault point of tracing to the source.
The beneficial effects of the present invention are compared with prior art, the present invention passes through wireless internet of things and novel sensing skill
Art, the information such as temperature, line current and the voltage of the inlet-outlet line of real time on-line monitoring low-voltage distribution apparatus, smog, calculates in real time
Analysis, realizes the fault pre-alarming of low-voltage distribution system, prevents fire incident；Monitoring load balancing situation in real time is dilatation
And O&M provides decision and automatic generating network topological structure, carries out the calculating of line loss subregion separated time in real time and front stage compares,
Prevent stealing electricity phenomenon；Further, realize efficient stable, safely, conveniently, monitor low-voltage distribution apparatus at low cost, realize intelligence
Energy O&M, ensures electricity consumption reliability.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the structure diagram of present invention micromation intelligent on-line monitoring device；
Fig. 2 is the structural schematic diagram of present invention micromation intelligent on-line monitoring device；
Fig. 3 is the structure diagram of judgment module of the present invention；
Fig. 4 is suspend mode of the present invention and triggers the structure diagram of wake-up module；
Fig. 5 is the structure diagram of SOE event recording units of the present invention；
Fig. 6 is the flow diagram of monitoring method of the present invention；
Fig. 7 is the flow diagram that voltage of the present invention is traced to the source.
Specific implementation mode
In conjunction with attached drawing, elaborate to presently preferred embodiments of the present invention.
As depicted in figs. 1 and 2, the present invention provides a kind of the excellent of the micromation intelligent on-line monitoring device of low-voltage distribution apparatus
Select embodiment.
A kind of micromation intelligent on-line monitoring device of low-voltage distribution apparatus, the micromation intelligent on-line monitoring device packet
Include sensor unit, processor unit, wireless transmission unit, Power Management Unit and storage unit, the processor unit point
Do not connect with sensor unit, wireless transmission unit, Power Management Unit and storage unit, the Power Management Unit respectively with
Sensor cell, processor unit, wireless transmission unit are connected with storage unit, can be directly electrically connected or are electrically connected indirectly.
Wherein, and with reference to figure 2, micromation intelligent on-line monitoring device includes shell 200 and the electricity that is arranged in shell 200
Road harden structure 100, the shell 200 are fixed on the cable 300 of low-voltage distribution apparatus.The shell 200 can be realized internal solid
Alignment cable 300 is realized for 2000 times or more and opens and closes the service life, easy to install；It, which is designed, supports IP65 degree of protection, under energy adverse circumstances just
It is often used.The micromation intelligent on-line monitoring device uses micro-integrated design, small, it is easy to which button is pricked in cabinet interior lines
On cable；And when installing, without having a power failure.
Specifically, the sensor unit obtains the running state information of low-voltage distribution apparatus；The processor unit connects
It receives running state information and is stored, managed and processing operation；The wireless transmission unit and Acquisition Processor unit or
The running state information that other low-voltage distribution apparatus are sent, is sent directly in exterior gateway, or pass through other low-voltage distributions
Equipment is sent to as communication node in exterior gateway；Running state information is locally stored the storage unit；It is described
Power Management Unit carries out energy collection and powers for the functional unit of low-voltage distribution apparatus.
In the present embodiment, the sensor unit includes the sensor of various functions, and the sensor unit at least wraps
Include temperature sensor, current sensor, voltage sensor and smoke sensor device；The temperature sensor setting is set in low-voltage distribution
On standby cable or busbar, and obtain its running temperature data；The current sensor obtains the line electricity of low-voltage distribution apparatus
Flow data；The voltage sensor obtains the line voltage distribution data of low-voltage distribution apparatus；The smoke sensor device is supervised for smog
Control.
Wherein, busbar refers in power supply system, and always system switchs the connecting copper bar with the switch in each shunt circuit in electric cabinet
Or aluminium row, main function is to do conducting wire use；Cable is the cable for referring to the accession to the cable of low-voltage distribution apparatus and picking out.By
Then through overcurrent, under the operating condition of high load capacity, a large amount of heat, and (hot environment in harsh environment are easy tod produce
Under) be easy to keep low-voltage distribution apparatus temperature excessively high, pass through the temperature sensor near or adjacent to cable or busbar setting, Huo Zheshe
Set the other positions inside low-voltage distribution apparatus, detection cable or busbar temperature data at runtime and low-voltage distribution are set
Standby internal temperature data, prevents temperature is excessively high from leading to equipment damage, or cause fire.
Wherein, current sensor is a kind of detection device, can experience the information of tested electric current, and can experience detection
The information arrived is for conversion into the information output of the electric signal or other required forms that meet certain standard needs according to certain rules,
With requirements such as the transmission, processing, storage, display, record and the controls that meet information.Current sensor is different according to measuring principle,
It can be divided mainly into：Current divider, electromagnetic current transducer, electronic current mutual inductor etc..During this example is implemented, Ross is preferentially used
Coil, wide range of measurement, no electromagnetism saturation.
Wherein, voltage sensor is the sensor that can be experienced tested voltage and be converted into usable output signal.For exchange
Voltage measurement, for voltage available mutual inductor as sensing element, i.e., being down to tested voltage using a voltage transformer can profit
Then low-voltage is transformed into the DC voltage linear with tested voltage by interlock circuit and is sent to data acquisition
System and A/D converter.And in the present embodiment, pass through the letters such as the line outage of voltage data acquisition of information and earth fault
Breath obtains the fault message of corresponding low-voltage distribution apparatus.
Wherein, smoke sensor device realizes fire disasters protection by monitoring the concentration of smog, inside smoke alarm
It is sensed using ion type smog, ion type smog sensor is a kind of advanced technology, sensor stable and reliable in work.
In the present embodiment, wireless transmission unit includes ultra-low power consumption wireless transmission module and antenna, the super low-power consumption
Wireless transport module is connect with processor unit；Preferably, wireless transmission unit includes LPWAN transmission modules and LPWAN antennas,
The LPWAN transmission modules are connect with processor unit, and realize data by LPWAN antennas according to the control of processor unit
Transmission.
Wherein, low-power consumption Wide Area Netweork (LPWAN) is the M2M communication scene optimization in being applied for Internet of Things, by electricity
Battery-powered, low rate, super low-power consumption, low duty ratio support single node maximal cover reachable with Star Network covering
The remote wireless network mechanics of communication of 100 kilometers of honeycomb aggregation gateway.
Specifically, low-voltage distribution apparatus realizes data transmission by wireless transmission unit, by running state information, abnormal report
Alert information or other related data informations are sent in the gateway in region, and are sent in Cloud Server by gateway, real
The transmission of existing data.And wireless transmission unit also can be used as communication transfer node, structure ad-hoc network communication.
In the present embodiment, the Power Management Unit includes battery modules and micro- energy acquisition module, micro- energy acquisition
Module acquires environment electromagnetics field energy or thermal energy, and is converted into electric energy, be the functional unit power supply of low-voltage distribution apparatus or is electric
Pond module charging.In this implementation, also battery is supported individually to power.
In the present embodiment, the major function of memory cell storage is storage program and various data, and can calculated
Machine operational process high speed, the access for being automatically completed program or data, the present invention in storage unit can store processor unit
The data information of transmission, and realize the data processing of processor unit.
As shown in figure 3, the present invention provides the preferred embodiment of judgment module.
The running state information includes temperature data information, current data information and voltage data information, the processing
Device unit includes a judgment module, and temperature data information and current data information are compared and analyzed, sentenced by the judgment module
It is disconnected to whether there is failure, pass through wireless transmission unit reporting fault information or alarm if existing；And the judgment module according to
The abnormal conditions of voltage data information obtain fault type.
The step of comparative analysis about temperature data information and current data information is：
When 1, initializing, set temperature threshold value, current rating, and corresponding temperature and current curve are set；
If 2, the temperature value of temperature data information is more than the current value overrate of threshold value or current data information,
Alarm；
If 3, temperature value and current value calculate the corresponding temperature of current flow all in normal range (NR) according to current temperature curve
Angle value；If measured temperature is more than calculated value, alarm.
Judgment step about voltage data information is：
1, line outage is judged whether by the voltage value of voltage data information.
2, voltage value 0 can determine that line outage；Voltage value is less than the 50% of rated value, and current break, can determine that out
Existing earth fault；
3, it is judged according to gathered data by processor unit.
As shown in figure 4, the present invention provides suspend mode and the preferred embodiment of trigger module.
The processor unit includes a sleep block, timing trigger module and event trigger module, the sleep block
Control processor unit enters dormant state, and the timing trigger module is according to preset time timing wake-up processor unit, institute
It states event trigger module and is equipped with a variety of trigger conditions, and the wake-up processor unit after trigger condition triggering, the processor list
Member acquires running state information by data collection terminal mouth upon awakening.
About timing trigger module, specific time or preset interval time are set, and in specific time wake-up processor
Unit, such as 9：00,13:00 and 22：00 etc., or at interval of 4 hours wake-up processor units, obtain low-voltage distribution apparatus at this time
Related data information, or storage historical data information, be sent to high in the clouds, whether detection data abnormal beyond the clouds；Certainly
Abnormal examination can also be carried out in local processor unit.
About event trigger module, it is preferable that trigger condition include there is smog, and detect trigger condition occur after,
Wake-up processor unit, and by situation either at this time the related data information of low-voltage distribution apparatus or storage history
Data information is sent to high in the clouds.
As shown in figure 5, the present invention provides the preferred embodiment of SOE event recording units.
The micromation intelligent on-line monitoring device includes SOE event recording units and the clock signal with processor unit
Synchronous external clock unit, the external clock unit provide the record time of SOE events for SOE event recording units.
Wherein, SOE (Sequence Of Event), event sequence recording system or sequence of events recording resolution ratio are existing
It is in daily use in generation science and technology：SOE sequence of events recording, the type for the Time And Event that record failure occurs, such as certain switch
XX divides XX seconds XX milliseconds of what kind of failures of generation etc. when XX.
Further, by external clock unit, the record time of SOE events is provided for SOE event recording units, allows phase
Pass personnel are apparent to obtain corresponding event cause and time of origin, provides fundamental basis for more scientific investigation maintenance.
As shown in Figure 6 and Figure 7, the present invention provides a kind of monitoring method of low-voltage distribution apparatus.
A kind of monitoring method of low-voltage distribution apparatus, the monitoring method are filled applied to above-mentioned micromation intelligent on-line monitoring
In setting；The step of monitoring method includes：
Step S11, setting and each taiwan area and corresponding circuit number are edited；
Step S12, the voltage data information and current data information of low-voltage distribution apparatus are acquired；
Step S13, the line loss situation for obtaining low-voltage distribution apparatus, is managed by taiwan area and corresponding circuit number.
Specifically, multiple low-voltage distribution apparatus constitute taiwan area, and more circuits are equipped with per taiwan area, and each circuit is equipped with correspondence
Circuit number.
By acquiring the voltage data information and current data information of each low-voltage distribution apparatus, that is, obtain corresponding line number
Voltage data information and current data information.And the step of obtaining the line loss situation of low-voltage distribution apparatus, includes：Based on when
Mark calculates instantaneous power；According to topological structure, line loss is calculated.
Further, the topological structure of low-voltage power supply is tree；To each layer, line loss is calculated by branch, is added up,
And compared with father node；There is larger difference, then alarms.
Further, and with reference to figure 7, the monitoring method further includes：
Step S21, according to voltage data information, topological line construction is automatically generated, and fault point of tracing to the source.
Step S22, relevant information is sent in high in the clouds；
Step S23, staff safeguards corresponding low-voltage distribution apparatus according to the information in high in the clouds.
As described above, only preferred embodiment is not intended to limit the scope of the present invention, Fan Yibenfa
Equivalent change or modification made by bright claim is all that the present invention is covered.
Claims (10)
1. a kind of micromation intelligent on-line monitoring device of low-voltage distribution apparatus, which is characterized in that the micromation intelligent online
Monitoring device includes：
Sensor unit obtains the running state information of low-voltage distribution apparatus；
Processor unit, the processor unit are connect with sensor unit, and receive running state information and stored,
Management and processing operation；
Wireless transmission unit, the wireless transmission unit are connect with processor unit, and Acquisition Processor unit or other low pressure
The running state information that controller switching equipment is sent, is sent directly in exterior gateway, or be used as by other low-voltage distribution apparatus
Communication node is sent in exterior gateway；
Storage unit, the storage unit is connect with processor unit, and running state information is locally stored；
Power Management Unit carries out energy collection and powers for the functional unit of low-voltage distribution apparatus.
2. micromation intelligent on-line monitoring device according to claim 1, it is characterised in that：The running state information packet
Temperature data information, current data information and voltage data information are included, the processor unit includes a judgment module, described to sentence
Disconnected module compares and analyzes temperature data information and current data information, failure is judged whether, if in the presence of nothing is passed through
Line transmission unit reporting fault information or alarm；And the judgment module is obtained according to the abnormal conditions of voltage data information
Fault type.
3. micromation intelligent on-line monitoring device according to claim 1, it is characterised in that：The processor unit includes
One sleep block, timing trigger module and event trigger module, the sleep block control processor unit enter dormant state,
The timing trigger module is equipped with a variety of triggering items according to preset time timing wake-up processor unit, the event trigger module
Part, and the wake-up processor unit after trigger condition triggering, the processor unit are adopted by data collection terminal mouth upon awakening
Collect running state information.
4. micromation intelligent on-line monitoring device according to claim 1, it is characterised in that：Wireless transmission unit includes super
Low-consumption wireless transmission module and antenna, the ultra-low power consumption wireless transmission module are connect with processor unit, and according to processing
The transmission of data is realized in the control of device unit by antenna.
5. micromation intelligent on-line monitoring device according to claim 1, it is characterised in that：The sensor unit includes
Temperature sensor, current sensor, voltage sensor and smoke sensor device；The temperature sensor is arranged in low-voltage distribution apparatus
Cable or busbar on, and obtain its running temperature data；The current sensor obtains the line current of low-voltage distribution apparatus
Data；The voltage sensor obtains the line voltage distribution data of low-voltage distribution apparatus；The smoke sensor device is monitored for smog.
6. micromation intelligent on-line monitoring device according to claim 1, it is characterised in that：The Power Management Unit packet
Battery modules and micro- energy acquisition module, micro- energy acquisition module acquisition environment electromagnetics field energy or thermal energy are included, and is converted into electric energy,
Functional unit for low-voltage distribution apparatus powers or is battery modules charging.
7. micromation intelligent on-line monitoring device according to claim 1, it is characterised in that：The micromation intelligent online
Monitoring device includes SOE event recording units and the external clock unit with the clock signal synchronization of processor unit, described outer
Portion's clock unit provides the record time of SOE events for SOE event recording units.
8. micromation intelligent on-line monitoring device according to claim 1, it is characterised in that：The micromation intelligent online
Monitoring device uses micro-integrated design, the micromation intelligent on-line monitoring device to include shell and be arranged in shell
Board structure of circuit, the shell are fixed on the cable of low-voltage distribution apparatus.
9. a kind of monitoring method of low-voltage distribution apparatus, which is characterized in that the monitoring method is applied to such as claim 1 to 7
In any micromation intelligent on-line monitoring device, the step of monitoring method, includes：
It is arranged and edits each taiwan area and corresponding circuit number；
Acquire the voltage data information and current data information of low-voltage distribution apparatus；
The line loss situation for obtaining low-voltage distribution apparatus, is managed by taiwan area and corresponding circuit number.
10. monitoring method according to claim 1, which is characterized in that the monitoring method further includes：According to voltage data
Information automatically generates topological line construction, and fault point of tracing to the source.
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| CN109754179A (en) * | 2018-12-29 | 2019-05-14 | 国网北京市电力公司 | A kind of integrated distribution formula low pressure monitoring deployment system and method |
| CN110007176A (en) * | 2019-04-23 | 2019-07-12 | 成都绎码科技有限公司 | A kind of remote monitoring device and method of electrical equipment working condition |
| CN110321362A (en) * | 2019-07-05 | 2019-10-11 | 广东利元亨智能装备股份有限公司 | Data processing method, device and electronic equipment |
| CN110702964A (en) * | 2018-12-07 | 2020-01-17 | 上海产业技术研究院 | Instrument monitoring device, monitor and storage medium based on NB-IOT communication technology |
| CN112055063A (en) * | 2020-08-26 | 2020-12-08 | 福建碧霞环保科技有限公司 | Power working condition Internet of things monitoring device based on artificial intelligence and use method |
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