CN107045762A - Electrical fire remotely monitors dynamic early-warning method and system - Google Patents
Electrical fire remotely monitors dynamic early-warning method and system Download PDFInfo
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- CN107045762A CN107045762A CN201710243131.6A CN201710243131A CN107045762A CN 107045762 A CN107045762 A CN 107045762A CN 201710243131 A CN201710243131 A CN 201710243131A CN 107045762 A CN107045762 A CN 107045762A
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- G—PHYSICS
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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Abstract
Dynamic early-warning method and system are remotely monitored the invention discloses a kind of electrical fire, long-range monitoring in real time can be carried out to the privileged site (energized equipment such as including transmission line of electricity) of electrical equipment, specific monitoring method can realize dynamic monitoring early warning, by to the monitoring period, the setting in cycle, with heredity and dynamic effect, with the change of acclimatization and electrical equipment in itself, pass through real-time acquisition remotely to residual current, to obtain real-time threshold value, realize the excessively stream to building electric circuit, overload abnormality, the remote real time monitoring of alarm, reach the purpose of remote intelligent monitoring and instant alarming, so as to reduce and reduce the incidence of electrical fire；Meanwhile, by monitoring, it can be periodically that the Electrical Safety of local electricity consumption local-style dwelling houses where Surveillance center and social unit carries out dynamic evaluation, data foundation is provided for local progress Electrical Safety supervision and check；To carry out maintenance and management to electricity consumption facility in time, the intact effective of electricity consumption facility is ensured.
Description
Technical field
The invention belongs to security against fire field, more particularly to electrical fire remotely monitors dynamic early-warning method and system.
Background technology
Electric energy belongs to one of industrial production and the essential energy of daily life, with the development of science and technology, application
Also more and more in the type and quantity of production and the electrical equipment of life, the thing followed is that town dweller's power load is also anxious
Increase severely and add.Electric energy can produce larger heat when in use, to avoid the occurrence of the fire triggered therefrom, all can in appliance terminal
Effectively handled.But, the intermediate link of transmission line of electricity, the problems such as occurring if not effective monitoring due to electric leakage, leads
The fire of cause, thus, in recent years, is substantially increased by electrical fire incidence.According to statistics, electrical fire has accounted for fire in recent years
More than the 36% of total amount, these electrical fires taken place frequently cause fortune loss and personal injury.
Therefore how to realize the excessively stream to building electric circuit, overload, temperature and electric arc abnormality, alarm it is long-range
In real time monitoring, urge electric terminal to exclude electric wiring abnormality in time, be reduction and reduction electrical fire incidence must
Want one of measure.
The content of the invention
In view of this, dynamic early-warning method and system, pin are remotely monitored it is an object of the invention to provide a kind of electrical fire
Lack the deficiency that long-range monitoring and alarm are present to existing electric fire monitoring system, realize the mistake to building electric circuit
Stream, overload, temperature and electric arc abnormality, the remote real time monitoring of alarm, reach the mesh of remote intelligent monitoring and instant alarming
, so as to reduce and reduce the incidence of electrical fire.
The electrical fire of the present invention remotely monitors dynamic early-warning method, comprises the following steps：
A. the cycle is set as CNM, in cycle CNMInterior setting period cNMm；N is the integer more than or equal to 1, refers to cycle place
The different group numbers being sequentially arranged；M is the integer more than or equal to 1, refers to be sequentially arranged in same group
Different cycles number；M is the integer more than or equal to 1, refers to the different periods number being sequentially arranged in same period；
B. cycle C is obtainedNMInterior period cNMmResidual current average value CurNMm；
C. according to formula：Calculate the m-th cycle C in N groupsNMInterior all cNMm
The arithmetic mean of instantaneous value of the residual current average value of period；
D. in cycle TNMInterior period tNmResidual current alarm threshold value be：
Or
First in use,
Further, in addition to temperature detection step：
I, sets the cycle as TNM, in cycle TNMInterior setting period tNMm；N is the integer more than or equal to 1, refers to cycle place
The different group numbers being sequentially arranged；M is the integer more than or equal to 1, refers to be sequentially arranged in same group
Different cycles number；M is the integer more than or equal to 1, refers to the different periods number being sequentially arranged in same period；
II, obtains cycle TNMInterior period tNMmTemperature averages TNMm；
III, is according to formula：Calculate the m-th cycle T in N groupsNMInterior all tNMmPeriod
Temperature averages arithmetic mean of instantaneous value；
IV, is in cycle TNMInterior period tNMmTemperature alarming threshold value be：
Or
First in use,
Further, the temperature at monitored position reaches temperature alarming threshold value or residual current value reaches residual current alarm
Threshold value, then system automatic protection.
Further, position is monitored when producing electric arc, then system automatic protection.
The invention also discloses a kind of long-range monitoring and warning system of electrical fire, including：
Detection unit, at least including residual current detection unit, the residual current data for obtaining monitored position；
Internet of Things monitor terminal, stores dynamic early-warning software, and network receives the residual current of residual current detection unit
Data are simultaneously stored, and real-time residual current alarm threshold value is obtained after calculating.
Further, detection unit also includes：
Temperature detecting unit, the temperature data for obtaining monitored position, the Internet of Things monitor terminal network is received
The temperature data of temperature detecting unit and storage, obtain real time temperature alarm threshold value after calculating.
Further, detection unit also includes：
Arc detection unit, the arc parameters for obtaining monitored position, and send to the Internet of Things monitor terminal.
Further, in addition to：
Surveillance center, for forming data interaction with Internet of Things monitor terminal；
The Internet of Things monitor terminal also sends break-make order to monitored position.
Further, the Surveillance center includes：
WEB server, for receiving the data message of Internet of Things monitor terminal transmission and can be sent out to Internet of Things monitor terminal
Send command signal；
Database server, for receiving and storing the data letter that the Internet of Things monitor terminal that WEB server is transmitted is sent
Breath.
Further, in addition to：
Mobile phone terminal, stores APP softwares, couples that there is provided Mobile solution service for being set up with Surveillance center.
The beneficial effects of the invention are as follows：The electrical fire of the present invention remotely monitors dynamic early-warning method and system, can be right
The privileged site (energized equipment such as including transmission line of electricity) of electrical equipment carries out long-range monitoring, specific monitoring method energy in real time
Enough realize dynamic monitoring early warning, by the setting to monitoring period, cycle, with heredity and dynamic effect, with acclimatization and
The change of electrical equipment in itself, by real-time acquisition remotely to residual current, to obtain real-time threshold value, is realized to building
The excessively stream of electric wiring, overload abnormality, the remote real time monitoring of alarm, reach the mesh of remote intelligent monitoring and instant alarming
, so as to reduce and reduce the incidence of electrical fire；Meanwhile, can be periodically local where Surveillance center by monitoring
The Electrical Safety of electricity consumption local-style dwelling houses and social unit carries out dynamic evaluation, and number is provided for local progress Electrical Safety supervision and check
According to foundation；To carry out maintenance and management to electricity consumption facility in time, the intact effective of electricity consumption facility is ensured.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is FB(flow block) of the present invention；
Fig. 2 is present system schematic diagram.
Embodiment
Fig. 1 is FB(flow block) of the present invention, as illustrated, the electrical fire of the present embodiment remotely monitors dynamic early-warning method,
Comprise the following steps：
A. the cycle is set as CNM, in cycle CNMInterior setting period cNMm；N is the integer more than or equal to 1, refers to cycle place
The different group numbers being sequentially arranged；M is the integer more than or equal to 1, refers to be sequentially arranged in same group
Different cycles number；M is the integer more than or equal to 1, refers to the different periods number being sequentially arranged in same period；
B. cycle C is obtainedNMInterior period cNMmResidual current average value CurNMm；The residual current average value is the setting period
Interior average value, it is assumed that set the period as two hours, be then the average value in two hours；Obtain and calculation is existing
There is technology, will not be repeated here；
C. according to formula：Calculate the m-th cycle C in N groupsNMInterior all cNMm
The arithmetic mean of instantaneous value of the residual current average value of period；It is to be divided into 15 cycles in the 3rd group such as from usage cycles first, selects
The 2nd period in each cycle is selected, then is designated as t3M2, M is 1,2,3 ... 15；Certainly, group
It can not be points of 15 cycles etc. in 3 days, and be not required to particular fixed, can be set as needed and with electrical characteristics, climate characteristic
It is fixed；
D. in cycle TNMInterior period tNmResidual current alarm threshold value be：
Or
First in use,
In use, N can be infinitely great integer numerical value, with use time increase then infinitely increase or
Using year as circulation large period, every year comprising multiple groups, by the group for being divided into setting in the one-year age of determination；M can value be
10th, 15, can be 10, the cycle of 15 days or 10,15 half a day or 15 6 hours, the present embodiment is adopted
With 15 days, then M values were 15, i.e. TNMFor TN1、TN2、TN3……TN15；M desirable 24,12 etc., the present embodiment uses 12, i.e., by one
It is divided into 12 periods and detected；During use, the corresponding cycle in each group of cycle has corresponding with next group
Property, and the period also has correspondence and hereditary capacity, so as to obtain more rational threshold value.
In the present embodiment, in addition to temperature detection step：
I, sets the cycle as TNM, in cycle TNMInterior setting period tNMm；N is the integer more than or equal to 1, refers to cycle place
The different group numbers being sequentially arranged；M is the integer more than or equal to 1, refers to be sequentially arranged in same group
Different cycles number；M is the integer more than or equal to 1, refers to the different periods number being sequentially arranged in same period；
II, obtains cycle TNMInterior period tNMmTemperature averages TNMm；
III, is according to formula：Calculate the m-th cycle T in N groupsNMInterior all tNMmPeriod
Temperature averages arithmetic mean of instantaneous value；
IV, is in cycle TNMInterior period tNMmTemperature alarming threshold value be：
Or
First in use,
The acquisition of the temperature alarming threshold value of the present embodiment can refer to the acquisition modes of foregoing residual current alarm threshold value.
In the present embodiment, the temperature at monitored position reaches temperature alarming threshold value or residual current value reaches residual current
Alarm threshold value, then system automatic protection；System can send power off command automatically after alarm, can be directed to electrical equipment (monitoring site)
Directly power off, reach the purpose of protection.
In the present embodiment, when the position that is monitored produces electric arc, then system automatic protection；Monitored position can be special according to electricity consumption
Property is set, specific transmission line of electricity and terminal etc..
The invention also discloses a kind of long-range monitoring and warning system of electrical fire, including：
Detection unit, at least including residual current detection unit, the residual current data for obtaining monitored position；One
As use residual current sensor；
Internet of Things monitor terminal, stores dynamic early-warning software, and network receives the residual current of residual current detection unit
Data are simultaneously stored, and real-time residual current alarm threshold value is obtained after calculating；The residual current value obtained in real time according to the threshold comparison,
Alarm signal is sent if threshold value is reached.
In the present embodiment, detection unit also includes：
Temperature detecting unit, the temperature data for obtaining monitored position, the Internet of Things monitor terminal network is received
The temperature data of temperature detecting unit and storage, obtain real time temperature alarm threshold value after calculating；Obtained in real time according to the threshold comparison
The temperature value taken, sends alarm signal if threshold value is reached.
In the present embodiment, detection unit also includes：
Arc detection unit, the arc parameters for obtaining monitored position, and send to the Internet of Things monitor terminal；
If there is electric arc or setting intensity is reached, then send alarm signal.
In the present embodiment, in addition to：
Surveillance center, can also be to thing while data for receiving for forming data interaction with Internet of Things monitor terminal
Networking monitoring terminal sends order, break-make for controlling transmission line of electricity etc.；
The Internet of Things monitor terminal also sends break-make order to monitored position, according to the situation of monitoring, can directly send out
Send power off command；Certainly it is connected, it is necessary to have with monitored position, realizes power-off by automatically controlling, will not be repeated here.
Internet of Things monitor terminal is an overall device, is generally comprised：
Input sample module：Input sample module couples with detection unit, receives detection site (electric wiring etc.) prison
Control data (size of residual current and change, it is of course also possible to the data including other electric wirings)；
Data memory module：Data memory module embeds electrical fire monitoring firmware, while the remaining electricity of stored electricity circuit
Stream, temperature and electric arc alarm threshold value；Data memory module can be FLASH nonvolatile memories.
Electrical fire monitoring firmware is embedded electrical fire monitoring embedded software in memory, by processor module
Read and run, realize to work(such as real-time monitoring, exceptional state alarm, feedback control and the data transfers of electric wiring state
Energy.
Output control module：Output control module couples with processor module, when receive processor module transmission it is anti-
When presenting control command, realize and control is powered off to detection site (electric wiring etc.), it is to avoid electrical fire occurs.
Processor module：Processor module and input sample module, output control module, data memory module, touch-screen
Module and into communication module connection；Simultaneous processor module coordination input sample module, output control module, data storage mould
Block, touch screen module and communication module work.
Touch screen module：Touch screen module couples with processor module, the monitored electric wiring work state information of output,
The information such as sensor group working condition, Internet of Things monitor terminal working condition, while receiving the input information of itself, realize and touch
The data interaction function of panel module and processor module.
Communication module：Communication module couples with processor module, realizes electric wiring working condition, residual current detection list
Under working condition, the upload of the data of Internet of Things monitor terminal working condition and the Surveillance center's control command of the detection units such as member
Hair；Communication module is coupled with Surveillance center using wired and wireless two ways.
In the present embodiment, the Surveillance center includes：
WEB server, for receiving the data message of Internet of Things monitor terminal transmission and can be sent out to Internet of Things monitor terminal
Send command signal；
Database server, for receiving and storing the data letter that the Internet of Things monitor terminal that WEB server is transmitted is sent
Breath.
When actual use, Surveillance center should also include remote monitoring firmware and monitoring computer；
WEB server couples with Internet of Things monitor terminal, database server, remote monitoring firmware and monitoring computer, connects
Receive the electric wiring working condition sent by Internet of Things monitor terminal, detection unit working condition, the work of Internet of Things monitor terminal
The information such as state simultaneously forward it to database server；WEB server also to Internet of Things monitor terminal send control command and
Alarm parameters configuration order；Simultaneously electrical fire remote monitoring service is provided for monitoring computer.
Database server couples with WEB server, receives and store the electric wiring work shape sent by WEB server
The information such as state, detection unit working condition, Internet of Things monitor terminal working condition, are remote monitoring firmware by WEB server
Data, services are provided.
Remote monitoring firmware is the monitoring software system for being embedded in WEB server, is remotely monitored with electrical fire, fire
The functions such as instant alarming, failure real-time early warning and query statistic.
Monitoring computer couples with WEB server, for Surveillance center personnel provide electrical fire remotely monitor, fire i.e. Times
The services such as police, the configuration of failure real-time early warning, query statistic, remote command, alarm parameters.
In the present embodiment, in addition to：
Mobile phone terminal, directly can surf the Net or store APP softwares, be answered for setting up to couple with Surveillance center there is provided mobile
With service；Couple with WEB server, for supervisor provide electrical fire remotely monitor, fire instant alarming, failure it is pre- in real time
The Mobile solution service such as police, query statistic；Certainly, also command signal directly can be sent to WEB server by mobile phone after mandate
And it is sent to Internet of Things monitor terminal.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (10)
1. a kind of electrical fire remotely monitors dynamic early-warning method, it is characterised in that：Comprise the following steps：
A. the cycle is set as CNM, in cycle CNMInterior setting period cNMm；N is integer more than or equal to 1, refer to where the cycle by
The different group numbers of time sequencing arrangement；M is the integer more than or equal to 1, refers to be sequentially arranged not in same group
Same periodicity；M is the integer more than or equal to 1, refers to the different periods number being sequentially arranged in same period；
B. cycle C is obtainedNMInterior period cNMmResidual current average value CurNMm；
C. according to formula：Calculate the m-th cycle C in N groupsNMInterior all cNmPeriod
The arithmetic mean of instantaneous value of residual current average value；
D. in cycle TNMInterior period tNmResidual current alarm threshold value be：
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<mi>m</mi>
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<mrow>
<msub>
<mi>Cur</mi>
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<mi>N</mi>
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</msub>
</mrow>
<mo>&OverBar;</mo>
</mover>
<mo>+</mo>
<mi>K</mi>
</mrow>
Or
First in use,
2. electrical fire according to claim 1 remotely monitors dynamic early-warning method, it is characterised in that：Also include temperature to examine
Survey step：
I, sets the cycle as TNM, in cycle TNMInterior setting period tNMm；N is integer more than or equal to 1, refer to where the cycle by
The different group numbers of time sequencing arrangement；M is the integer more than or equal to 1, refers to be sequentially arranged not in same group
Same periodicity；M is the integer more than or equal to 1, refers to the different periods number being sequentially arranged in same period；
II, obtains cycle TNMInterior period tNMmTemperature averages TNMm；
III, is according to formula：Calculate the m-th cycle T in N groupsNMInterior all tNMmThe temperature of period
Spend the arithmetic mean of instantaneous value of average value；
IV, is in cycle TNMInterior period tNMmTemperature alarming threshold value be：
<mrow>
<msub>
<mi>TL</mi>
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<mi>m</mi>
</mrow>
</msub>
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<msub>
<mi>T</mi>
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</mover>
<mo>+</mo>
<msub>
<mi>K</mi>
<mi>T</mi>
</msub>
</mrow>
Or
First in use,
3. electrical fire according to claim 2 remotely monitors dynamic early-warning method, it is characterised in that：Monitored position
Temperature reaches temperature alarming threshold value or residual current value reaches residual current alarm threshold value, then system automatic protection.
4. electrical fire according to claim 1 remotely monitors dynamic early-warning method, it is characterised in that：Monitored position production
During raw electric arc, then system automatic protection.
5. a kind of long-range monitoring and warning system of electrical fire, it is characterised in that：Including：
Detection unit, at least including residual current detection unit, the residual current data for obtaining monitored position；
Internet of Things monitor terminal, stores dynamic early-warning software, and network receives the residual current data of residual current detection unit
And store, real-time residual current alarm threshold value is obtained after calculating.
6. the long-range monitoring and warning system of electrical fire according to claim 5, it is characterised in that：Detection unit also includes：
Temperature detecting unit, the temperature data for obtaining monitored position, the Internet of Things monitor terminal network receives temperature
The temperature data of detection unit and storage, obtain real time temperature alarm threshold value after calculating.
7. the long-range monitoring and warning system of electrical fire according to claim 6, it is characterised in that：Detection unit also includes：
Arc detection unit, the arc parameters for obtaining monitored position, and send to the Internet of Things monitor terminal.
8. the long-range monitoring and warning system of electrical fire according to claim 7, it is characterised in that：Also include：
Surveillance center, for forming data interaction with Internet of Things monitor terminal；
The Internet of Things monitor terminal also sends break-make order to monitored position.
9. the long-range monitoring and warning system of electrical fire according to claim 8, it is characterised in that：Surveillance center's bag
Include：
WEB server, is ordered for receiving the data message of Internet of Things monitor terminal transmission and can be sent to Internet of Things monitor terminal
Make signal；
Database server, for receiving and storing the data message that the Internet of Things monitor terminal that WEB server is transmitted is sent.
10. the long-range monitoring and warning system of electrical fire according to claim 8, it is characterised in that：Also include：
Mobile phone terminal, stores APP softwares, couples that there is provided Mobile solution service for being set up with Surveillance center.
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Cited By (8)
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| CN109524939A (en) * | 2018-11-21 | 2019-03-26 | 江苏昂内斯电力科技股份有限公司 | A kind of long-range power-off interference method based on electrical fire networking monitoring platform |
| CN109525035A (en) * | 2017-09-20 | 2019-03-26 | 广东飞和信息科技有限公司 | Method and device for distributed power utilization safety dynamic monitoring and big data fire early warning |
| CN109782051A (en) * | 2019-01-04 | 2019-05-21 | 重庆和航科技股份有限公司 | Load current abnormity early warning device, system and method based on Internet of Things |
| CN110728818A (en) * | 2019-10-16 | 2020-01-24 | 南京苏瑞科技实业有限公司 | Electrical fire monitoring system based on cloud platform and early warning analysis method thereof |
| CN112735073A (en) * | 2020-12-15 | 2021-04-30 | 中安物联云科技(深圳)有限公司 | Early warning remote monitoring system for electrical fire equipment |
| CN112767632A (en) * | 2020-04-29 | 2021-05-07 | 天津市中力神盾电子科技有限公司 | Electric fire information optimization method and system |
| CN113822005A (en) * | 2020-06-20 | 2021-12-21 | 高山 | Method for copying and monitoring entity power grid open-circuit node by computer |
| CN114114465A (en) * | 2021-11-24 | 2022-03-01 | 北京国网富达科技发展有限责任公司 | Power transmission line meteorological monitoring method and system |
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