CN109493556A - Electrical safety and fire alarm terminal - Google Patents
Electrical safety and fire alarm terminal Download PDFInfo
- Publication number
- CN109493556A CN109493556A CN201811401195.5A CN201811401195A CN109493556A CN 109493556 A CN109493556 A CN 109493556A CN 201811401195 A CN201811401195 A CN 201811401195A CN 109493556 A CN109493556 A CN 109493556A
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- module
- electric arc
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- data fusion
- fire alarm
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- General Physics & Mathematics (AREA)
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Abstract
The present invention relates to fields of communication technology, more particularly to electrical safety and fire alarm terminal, including electromagnetic sensor, digital signal processing module and data fusion module, electromagnetic sensor transfers signals to signal conditioning module, signal conditioning module transfers data to digital signal processing module, digital signal processing module is connect with fault electric arc locating module, leakage current locating module and data fusion module respectively, and data fusion module is connected with abnormality warnings module and data disaply moudle.The present apparatus is compared by the result of terminal analysis with actual conditions, to realize to distribution system aging circuit, the assessment of ageing equipment, and system electric leakage is studied and judged with safety, and provide solution, after accident really occurs, we can be analyzed data, find the reason of accident occurs, and power supply system is rectified and improved, the energy management scheme rationalized is proposed to whole system energy consumption simultaneously, helps user energy-saving, reduces fire hazard.
Description
Technical field
The present invention relates to fields of communication technology, and in particular to electrical safety and fire alarm terminal.
Background technique
Since the 1990s, electrical technology rapid development, being laid with the electric wiring in building becomes
Become increasingly complex, this brings very big challenge to the maintenance of low-voltage distribution system, detection for people, also cause electrical fire at by
Year ascendant trend, and be as caused by electrical fire mostly in the fire of many large sizes.Since electrical fire has recessiveness
This feature is difficult to find potential hazard and hidden danger present in it so carrying out checking to it by the way of conventional, thus
It needs the equipment of profession to be monitored it, finds the problem and solve in time, here it is present electric fire disaster warning systems, pass
The domestic electric fire disaster warning system of system mainly includes monitoring host computer, the residual current electrical fire being mounted in monitoring object
Detector, temp.-measuring type electrical fire-detector, data concentrator and software etc..Using the mounting means of one machine of primary Ioops, pass through
Bus or wireless transmission method complete the reception and upload of residual current and temperature data.The data of all uploads all pass through
RS485, CAN bus or the electrical fire monitoring host for being wirelessly aggregated into master control room, existing technology is that monitoring device is installed
In power distribution cabinet, the main residual current and terminal temperature for monitoring distribution system.
Currently existing scheme can not solve practical problem existing for current electrical fire, because the specified place that fire occurs is big
All in the end of route either electrical equipment, rather than occur in power distribution cabinet.Namely there is monitoring point and ignition point not
Consistent problem.
Summary of the invention
It is an object of the invention to overcome problems of the prior art, electrical safety and fire alarm terminal are provided.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved by the following technical solutions:
Electrical safety and fire alarm terminal, including electromagnetic sensor, digital signal processing module and data fusion module,
The electromagnetic sensor converts electrical current into weak signal and is transferred to signal conditioning module, and the signal conditioning module passes through some normal
The basic datas such as distribution box voltage, electric current, harmonic wave, residual current, electric degree are obtained with basic algorithm and are transferred to digital signal point
Analyse module, the digital signal processing module respectively with fault electric arc locating module, leakage current locating module and data fusion mould
Block connection, the data fusion module are connected with abnormality warnings module and data disaply moudle.
Further, the fault electric arc locating module is described electric arc using nonlinear equation and combines low-voltage distribution
System failure arc characteristic realizes the detection to electric arc, regards electric arc in nonlinear equation as variable resistance, to alternating current
Arc carries out mathematical modeling, and expression formula is
Uc is the resistance constant of unit volume electric arc in formula；Nc is the power constant that sheds of unit volume electric arc；Qc is single
Energy constant in the body electric arc of position；τ is the time constant of electric arc, τ=qc/Nc.
Further, the result of terminal analysis is compared the data fusion module with actual conditions, sets to electric appliance
The power supply capacity that standby aging and route design is assessed, while providing qualitative results to whole system energy consumption, proposes to close
Physical and chemical energy management scheme helps user energy-saving and safety utilization of electric power.
Further, the load in the abnormality warnings module monitors power supply system is abnormal, line voltage distribution is abnormal and is
It unites issuable parallel resonance, series resonance data.
Further, the data fusion module is connected with module is locally stored, and the module that is locally stored is to power supply system
Data in system carry out real-time storage.
Further, the data fusion module uses 4G module communication.
Beneficial effects of the present invention: this programme utilizes Digital Signal Processing knowledge, and having summed up a set of can characterize series connection
The characteristic quantity of fault electric arc index judges input pattern according to characteristic information using algorithm for pattern recognition, completes AC series electricity
Arc fault identification, pattern matching algorithm are simple because of algorithm, it is easy to accomplish, it is usually used in small sample spatial pattern recognition, terminal analysis
Result be compared with actual conditions, realized by the long-term follow to basic data with excavation old to distribution system route
Change, the assessment of ageing equipment, and leaks electricity to system and studied and judged with safety, and provide solution, after accident really occurs,
We can trace these data, find the reason of accident occurs, and rectify and improve to power supply system, while to whole system
Energy consumption provides qualitative results, proposes the energy management scheme rationalized, and helps user energy-saving and safety utilization of electric power reduces
Fire hazard.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is logical construction schematic diagram of the invention；
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below will
In conjunction with the attached drawing in the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The scope of protection of the invention.
In description of the invention, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal" or
Person's positional relationship is orientation based on the figure or positional relationship, is merely for convenience of this practical and simplified description of description,
Rather than the device or element of instruction or hint meaning must have a particular orientation, and are constructed and grasped with specific orientation
Make, therefore is not considered as limiting the invention.In addition, " first ", " second ", " third ", " the 4th " are only used for description mesh
, and should not be understood as indicating or implying relative importance.
In description of the invention, it is also necessary to explanation, unless otherwise specific regulation and limitation, term " setting ", " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection, can be mechanical connection, is also possible to be electrically connected, can be and be directly connected to, and be also possible to be connected by intermediary, can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
As shown in Fig. 1, electrical safety and fire alarm terminal, including electromagnetic sensor, digital signal processing module and
Data fusion module, electromagnetic sensor convert electrical current into weak signal and are transferred to signal conditioning module, and signal conditioning module passes through
Some common basic algorithms obtain the basic datas such as distribution box voltage, electric current, harmonic wave, residual current, electric degree and are transferred to number
Signal analysis module, digital signal processing module respectively with fault electric arc locating module, leakage current locating module and data fusion
Module connection, data fusion module are connected with abnormality warnings module and data disaply moudle.
Fault electric arc locating module is described electric arc using nonlinear equation and combines low-voltage distribution system fault electric arc
Characteristic realizes the detection to electric arc, regards electric arc in nonlinear equation as variable resistance, carries out mathematics to alternating current arc and builds
Mould, expression formula are
Uc is the resistance constant of unit volume electric arc in formula；Nc is the power constant that sheds of unit volume electric arc；Qc is single
Energy constant in the body electric arc of position；τ is the time constant of electric arc, τ=qc/Nc.
The result of terminal analysis is compared data fusion module with actual conditions, sets to electrical equipment aging and route
The power supply capacity of meter is assessed, while providing qualitative results to whole system energy consumption, proposes the energy management rationalized
Scheme helps user energy-saving and safety utilization of electric power.
Load exception in abnormality warnings module monitors power supply system, line voltage distribution are abnormal and system is issuable
Parallel resonance, series resonance data.
Data fusion module is connected with module is locally stored, and module is locally stored and carries out in real time to the data in power supply system
Storage.
Data fusion module uses 4G module communication.
In use, electromagnetic sensor is responsible for 220V forceful electric power and high current, residual current to be converted to weak signal, signal condition
Circuit filters interference signal by noise reduction process, useful signal condition to A/D is converted suitable range, the number after conversion
Signal, is transferred to digital signal processing module, digital signal module respectively with fault electric arc locating module and leakage current positioning mould
Block connects, and is realized with excavation to distribution system aging circuit, the assessment of ageing equipment by the long-term follow to basic data,
And leak electricity to system and studied and judged with safety, and provide solution, digital signal processing module transfers signals to data and melts
Block is molded, data fusion module is compared by the result of terminal analysis with actual conditions, to electrical equipment aging and route
The power supply capacity of design is assessed, and the system of finding out uses greater amount of electricity unreasonable place, and provides solution to hidden danger point.Together
When qualitative results are provided to whole system energy consumption, propose rationalize energy management scheme, help user it is energy-saving with
Safety utilization of electric power, line voltage distribution exception abnormal by the load in abnormality alarming module monitors power supply system and system may produce
Raw parallel resonance, series resonance, and these data are locally stored in real time, after accident really occurs, we can be right
These data are traced, and find the reason of accident occurs, and rectify and improve to power supply system.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (6)
1. electrical safety and fire alarm terminal, including electromagnetic sensor, digital signal processing module and data fusion module,
It is characterized in that, the electromagnetic sensor converts electrical current into weak signal and is transferred to signal conditioning module, the signal conditioning module
The basic datas such as distribution box voltage, electric current, harmonic wave, residual current, electric degree are obtained by some common basic algorithms and are transferred to
Digital signal processing module, the digital signal processing module respectively with fault electric arc locating module, leakage current locating module and
Data fusion module connection, the data fusion module are connected with abnormality warnings module and data disaply moudle.
2. electrical safety according to claim 1 and fire alarm terminal, which is characterized in that the fault electric arc positioning mould
Block is described electric arc using nonlinear equation and combines low-voltage distribution system fault electric arc characteristic, realizes the detection to electric arc,
Regard electric arc in nonlinear equation as variable resistance, mathematical modeling is carried out to alternating current arc, expression formula is
Uc is the resistance constant of unit volume electric arc in formula；Nc is the power constant that sheds of unit volume electric arc；Qc is unit bodies
Energy constant in electric arc；τ is the time constant of electric arc, τ=qc/Nc.
3. electrical safety according to claim 1 and fire alarm terminal, which is characterized in that the data fusion module will
The result of terminal analysis is compared with actual conditions, and the power supply capacity designed electrical equipment aging and route is assessed,
Qualitative results are provided to whole system energy consumption simultaneously, propose the energy management scheme rationalized, help user energy-saving
With safety utilization of electric power.
4. electrical safety according to claim 1 and fire alarm terminal, which is characterized in that the abnormality warnings module prison
Load exception, line voltage distribution exception and the issuable parallel resonance of system, series resonance data in survey power supply system.
5. electrical safety according to claim 1 and fire alarm terminal, which is characterized in that the data fusion module with
Module is locally stored to be connected, the module that is locally stored is to the data progress real-time storage in power supply system.
6. electrical safety according to claim 1 and fire alarm terminal, which is characterized in that the data fusion module is adopted
With 4G module communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811401195.5A CN109493556A (en) | 2018-11-22 | 2018-11-22 | Electrical safety and fire alarm terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811401195.5A CN109493556A (en) | 2018-11-22 | 2018-11-22 | Electrical safety and fire alarm terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109493556A true CN109493556A (en) | 2019-03-19 |
Family
ID=65697516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811401195.5A Pending CN109493556A (en) | 2018-11-22 | 2018-11-22 | Electrical safety and fire alarm terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109493556A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632474A (en) * | 2019-10-24 | 2019-12-31 | 孙正武 | Method and system for monitoring and positioning discharge fault of indoor power line |
| CN111127802A (en) * | 2019-12-03 | 2020-05-08 | 安徽北斗易通信息技术有限公司 | Power distribution electrical fire early warning method and device based on series resonance mechanism |
| CN113176523A (en) * | 2021-04-27 | 2021-07-27 | 深圳供电局有限公司 | Power equipment fire early warning method and system based on multiple sensors |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632474A (en) * | 2019-10-24 | 2019-12-31 | 孙正武 | Method and system for monitoring and positioning discharge fault of indoor power line |
| CN111127802A (en) * | 2019-12-03 | 2020-05-08 | 安徽北斗易通信息技术有限公司 | Power distribution electrical fire early warning method and device based on series resonance mechanism |
| CN113176523A (en) * | 2021-04-27 | 2021-07-27 | 深圳供电局有限公司 | Power equipment fire early warning method and system based on multiple sensors |
| CN113176523B (en) * | 2021-04-27 | 2022-07-26 | 深圳供电局有限公司 | Power equipment fire early warning method and system based on multiple sensors |
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Application publication date: 20190319 |