CN205375736U - Illuminating line electric fire detection system - Google Patents
Illuminating line electric fire detection system Download PDFInfo
- Publication number
- CN205375736U CN205375736U CN201620106039.6U CN201620106039U CN205375736U CN 205375736 U CN205375736 U CN 205375736U CN 201620106039 U CN201620106039 U CN 201620106039U CN 205375736 U CN205375736 U CN 205375736U
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- detector
- electrical fire
- electric fire
- illuminating line
- detection system
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Abstract
The utility model provides an illuminating line electric fire detection system to every lighting power distribution panel, disposes the control unit, inlet wire end at lighting power distribution panel is provided with residual current formula electric fire detector, in every illumination of lighting power distribution panel return circuit of being qualified for the next round of competitions, it has miniature circuit breaker and arc fault detector all to establish ties, and miniature circuit breaker passes through shunt release and is connected with the control end of arc fault detector, select a plurality of temperature monitoring site at lighting power distribution panel, in every temperature monitoring site, all install temperature measurement formula electric fire detector, temperature measurement formula electric fire detector, arc fault detector and residual current formula electric fire detector all are connected to the control unit through communication line. The advantage: the problem of illuminating line electric fire's detection is solved realized the all -round detection to illuminating line electric fire, eliminated electric fire hidden danger detection blind zone, improved electric fire monitored control system's monitoring capability, remedied existing systematic not enoughly and blank.
Description
Technical field
This utility model belongs to building's electrical design and field of engineering technology, is specifically related to a kind of illuminating line electrical fire detection system.
Background technology
Architectural lighting adopts the alternating current power supply of 380V/220V voltage, uses copper conductor, aluminum conductor and pyrite connector etc. to lay circuit.Electrical safety hidden danger, fault and installation, improper use violating the regulations etc. are likely to cause electrical fire.According to Fire-Fighting Bureau under the Ministry of Public Security's calendar year statistics, electrical fire is in the first place of the fire origin cause of formation for years.
What electrical fire was studied and investigated facts have proved, electric wiring breaking out of fire, mainly due to the overvoltage/undervoltage of circuit, short circuit, transship for a long time, loose contact, resistance are excessive causes improper temperature rise, damage in insulation to cause the reasons such as leakage leakage current, produce electric spark, electric arc or cause electric wire, cable overheated, thus causing fire.
Existing electric fire monitoring system is made up of electrical fire monitoring device, residual current type detector for electric fire protection and temperature-measuring-type electrical fire, it is possible to the residue leakage current in protected circuit, overheating are monitored.
But, many electrical fire accidents are to be caused lower than the fault electric arc of rated current or prospective short circuit current by circuit.When fault electric arc occurs, electric leakage on circuit, cross the protection devices such as stream and short circuit and fault electric arc cannot be detected.
Concrete, residual-current electrical fire detector in existing electric fire monitoring system, its Cleaning Principle is the residual current in Monitoring Line, but when circuit occurs series fault arc, residual current in circuit does not change, and causes that such fault electric arc cannot effectively be monitored by electric fire monitoring system.
It addition, when between monitored circuit generation energized conductor arc resistance short circuit time, set up the initial stage at electric arc, there is very big impedance and voltage drop due to electric arc, limit fault current, the chopper on circuit cannot action message cutting off the electricity supply in time so that electric arc sustainable existence.Existing electric fire monitoring system, it is impossible to the parallel arc fault between energized conductor is effectively monitored.
As can be seen here, existing electric fire monitoring system, it is impossible to the parallel arc fault between series fault arc and energized conductor is effectively monitored, has the problem that the monitoring capacity of electric fire monitoring system is limited.
Utility model content
For the defect that prior art exists, this utility model provides a kind of illuminating line electrical fire detection system, can effectively solve the problems referred to above.
The technical solution adopted in the utility model is as follows:
This utility model provides a kind of illuminating line electrical fire detection system, for each light distribution box, is configured with monitoring unit；It addition, be provided with residual-current electrical fire detector in the end of incoming cables of described light distribution box；At each illumination transmission line circuit of light distribution box, all it is in series with miniature circuit breaker and arc fault detector, and, described miniature circuit breaker is connected with the control end of described arc fault detector by shunt release；Select several temperature monitoring sites at described light distribution box, in each temperature monitoring site, be mounted on temp.-measuring type electrical fire-detector；Described temp.-measuring type electrical fire-detector, described arc fault detector and described residual-current electrical fire detector are connected to described monitoring unit each through communication line.
Preferably, described arc fault detector carries audible-visual annunciator.
Preferably, described temperature monitoring site includes: distribution loop cable temperature monitoring site, controller switching equipment temperature monitoring site and/or distributing box temperature monitoring site.
Preferably, the mounting means between temp.-measuring type electrical fire-detector and detected object is: if detected object is insulator, described temp.-measuring type electrical fire-detector is set directly at the surface of detected object；If detected object is the change of power distribution cabinet internal temperature, temp.-measuring type electrical fire-detector, near heat generating components, adopts contactless layout.
Preferably, electric fire disaster monitoring main frame is also included；Described electric fire disaster monitoring main frame is connected with the monitoring unit being arranged in diverse geographic location respectively by communication bus.
Preferably, described electric fire disaster monitoring main frame is installed in fire protection control room, or, described electric fire disaster monitoring main frame is installed on the changed into switchhouse of Attended mode.
Preferably, described electric fire disaster monitoring main frame is configured with audible-visual annunciator, display, power supply and processor；Described processor is connected with described audible-visual annunciator, described display and described power supply respectively.
The illuminating line electrical fire detection system that this utility model provides has the advantage that
This utility model solves the detection problem of illuminating line electrical fire, it is widely used in the buildings such as modern large scale business, gymnasium, auditorium, cinema, large hospital, achieve the omnidirectional detection to illuminating line electrical fire, eliminate the blind area of electric disaster hidden-trouble detection, improve the monitoring capacity of electric fire monitoring system, compensate for the deficiency of existing system and blank.
Accompanying drawing explanation
The structural representation of each light distribution box that Fig. 1 provides for this utility model；
The overall structure schematic diagram of the illuminating line electrical fire detection system that Fig. 2 provides for this utility model；
Wherein:
NAL: light distribution box；
EFPJ: electrical fire monitoring unit
EFPT-R: residual-current electrical fire detector
EFPT-T: temp.-measuring type electrical fire-detector
MCCB: miniature circuit breaker
AFD: arc fault detector
EFPS: electric fire disaster monitoring main frame.
Detailed description of the invention
In order to make this utility model be solved the technical problem that, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
In conjunction with Fig. 1, this utility model provides a kind of illuminating line electrical fire detection system, for each light distribution box, is configured with monitoring unit, residual-current electrical fire detector, temp.-measuring type electrical fire-detector and arc fault detector.Temp.-measuring type electrical fire-detector, arc fault detector and residual-current electrical fire detector are connected to monitoring unit each through communication line.
These devices are discussed in detail below:
(1) residual-current electrical fire detector
The end of incoming cables of light distribution box is provided with residual-current electrical fire detector, for detecting the residue leakage current of equipment or circuit.When electrical equipment is properly functioning, in circuit, electric current is poised state, and in transformer, current phasor sum is zero, then produces shunting in trouble point when device housings electric leakage occurs and has people to touch, and current phasor sum is not zero, and primary winding produces residual current.Earth-fault current when Leakage Current when this electric current had both been normal and fault.The alarming value of residual current type detector for electric fire protection, should consider that the intrinsic electric leakage of circuit compensates simultaneously, and alarm threshold value 30-1000mA, light distribution box is that graduation two electricity is preferably 300mA, threshold steps 1mA.
(2) temp.-measuring type electrical fire-detector
Select several temperature monitoring sites at light distribution box, in each temperature monitoring site, be mounted on temp.-measuring type electrical fire-detector, for detecting the overheating of circuit or equipment.
Temperature monitoring site includes: distribution loop cable temperature monitoring site, controller switching equipment temperature monitoring site and/or distributing box temperature monitoring site, is respectively used to monitoring distribution loop cable temperature, monitoring controller switching equipment temperature, monitoring distributing box temperature.
Mounting means between temp.-measuring type electrical fire-detector and detected object is: if detected object is insulator, temp.-measuring type electrical fire-detector is set directly at the surface of detected object；If detected object is the change of power distribution cabinet internal temperature, temp.-measuring type electrical fire-detector, near heat generating components, adopts contactless layout.Alarm threshold value 55-140 DEG C, sets step-length 1 DEG C.
(3) arc fault detector
At each illumination transmission line circuit of light distribution box, all it is in series with miniature circuit breaker and arc fault detector, and, miniature circuit breaker is connected with the control end of arc fault detector by shunt release；Arc fault detector carries audible-visual annunciator.
Each arc fault detector is monitored for the line fault electric arc illuminating outlet branch road to one, by the real-time detection to electric wiring, it is possible to distinguish the normal operating electric arc in each phase line and fault electric arc, eliminate the blind area of electric disaster hidden-trouble detection.When arc fault detector monitors power supply parameter extremely beyond setting value, on the one hand, send local sound and light alarm signal, quick fault point；Carrying out communication by communication bus and existing electric fire monitoring system main process equipment, quick Real-time Feedback warning message is to monitoring host computer simultaneously；It addition, arc fault detector is by being controlled the miniature circuit breaker of series connection with it, miniature circuit breaker action can be made, thus the supply line broken down being cut off, it is prevented that accident of power supply occurs.
By installing fault electric arc detector on the single-phase illumination branch line circuit of each end distribution box, it is ensured that circuit rated current is not easily excessive, and protection circuit length is not preferably greater than 100m, it is to avoid too much increase detection false alarm probability due to electricity consumption load number.The selection of fault electric arc detector selects according to lighting loop rated current.
(4) electric fire disaster monitoring main frame
Having the multiple industry situations such as commercial street, supermarket, general merchandise, movie theatre, amusement to use function in large scale business synthesis, control point is more, illuminates district power distribution and management.In this utility model, electric fire monitoring system adopts monitoring host computer, monitoring unit, detector three-decker, the monitoring host computer being positioned at control room can Centralized Monitoring all detector points positions state, can also from each partition monitor unit checking monitoring, alarm condition, convenient, flexible, it is simple to onsite application.
In conjunction with Fig. 2, for the overall structure schematic diagram of illuminating line electrical fire detection system, figure it is seen that also include electric fire disaster monitoring main frame；Electric fire disaster monitoring main frame is connected with the monitoring unit being arranged in diverse geographic location respectively by communication bus.
The corresponding light distribution box of each monitoring unit, light distribution box inlet wire arranges residual-current electrical fire detector, and configure temp.-measuring type electrical fire-detector simultaneously, monitoring unit is set in light distribution box, 1-8/16 sensing point can be monitored, carry chinese liquid crystal display, display electric leakage, temperature, fault electric arc, time all setup parameters, also subsystem can certainly be become, independently from, it is simple to district management.Monitoring unit is by the quick Real-time Feedback warning message of communication bus to monitoring host computer.
Monitoring host computer is installed in fire protection control room, it is possible to be arranged on the changed into switchhouse of Attended mode.Formed by controlling module, display module, power module etc., the tested loop works parameter of monitor in real time and duty, send sound and light alarm signal during line failure, indicate abort situation, the warning message record of 12 months can be stored.
Interior mall, amusement, the multiple building such as indoor theme park, film paradise, children's paradise use function often to gather in large scale business synthesis, its building function, construction material, version etc. all have bigger difference with traditional architecture, and the height Space, Place more than 12m frequently occurs under construction.The height Space, Place more than 12m, combustible kind is many, and the fire that illuminating line fault causes accounts for about the 10% of electrical fire.Being affected by spatial altitude, breaking out of fire is not easy to be found, and also cannot arrange other detectors in the above, only arrange fault electric arc detector, and the fire that illuminating line fault is caused by guarantee effectively detects.
Therefore, this utility model provides a kind of illuminating line electrical fire detection system, on the basis of existing electric fire monitoring system, arranges fault electric arc detection on illumination branch line circuit, thus realizing the overall monitor to illuminating line electrical fire.
Concrete, the handy original electric fire monitoring system of this utility model, utilize original alarm monitoring main frame, utilize original system bus transfer circuit, utilize original monitoring unit, adopt fault electric arc detector, the electrical fire being likely to cause for the fault electric arc of illuminating line effectively detects, the generation of fault electric arc on circuit can be detected at short notice, can wire insulation and around combustible not yet burn before send alarm signal, effectively reduce due to loose contact, insulation ag(e)ing, the electrical fire odds that the factors such as mechanical external force cause, achieve the omnidirectional detection to illuminating line electrical fire.
This utility model solves the detection problem of illuminating line electrical fire, it is widely used in the buildings such as modern large scale business, gymnasium, auditorium, cinema, large hospital, being particularly suited in building lighting for large space complex circuit, combustible is many, the electrical fire detection not easily discovered.This utility model achieves the omnidirectional detection to illuminating line electrical fire, eliminates the blind area of electric disaster hidden-trouble detection, improves the monitoring capacity of electric fire monitoring system, compensate for the deficiency of existing system and blank.
The above is only preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, under the premise without departing from this utility model principle; can also making some improvements and modifications, these improvements and modifications also should look protection domain of the present utility model.
Claims (7)
1. an illuminating line electrical fire detection system, it is characterised in that for each light distribution box, be configured with monitoring unit；It addition, be provided with residual-current electrical fire detector in the end of incoming cables of described light distribution box；At each illumination transmission line circuit of light distribution box, all it is in series with miniature circuit breaker and arc fault detector, and, described miniature circuit breaker is connected with the control end of described arc fault detector by shunt release；Select several temperature monitoring sites at described light distribution box, in each temperature monitoring site, be mounted on temp.-measuring type electrical fire-detector；Described temp.-measuring type electrical fire-detector, described arc fault detector and described residual-current electrical fire detector are connected to described monitoring unit each through communication line.
2. illuminating line electrical fire detection system according to claim 1, it is characterised in that described arc fault detector carries audible-visual annunciator.
3. illuminating line electrical fire detection system according to claim 1, it is characterised in that described temperature monitoring site includes: distribution loop cable temperature monitoring site, controller switching equipment temperature monitoring site and/or distributing box temperature monitoring site.
4. illuminating line electrical fire detection system according to claim 3, it is characterized in that, mounting means between temp.-measuring type electrical fire-detector and detected object is: if detected object is insulator, described temp.-measuring type electrical fire-detector is set directly at the surface of detected object；If detected object is the change of power distribution cabinet internal temperature, temp.-measuring type electrical fire-detector, near heat generating components, adopts contactless layout.
5. illuminating line electrical fire detection system according to claim 1, it is characterised in that also include electric fire disaster monitoring main frame；Described electric fire disaster monitoring main frame is connected with the monitoring unit being arranged in diverse geographic location respectively by communication bus.
6. illuminating line electrical fire detection system according to claim 5, it is characterised in that described electric fire disaster monitoring main frame is installed in fire protection control room, or, described electric fire disaster monitoring main frame is installed on the changed into switchhouse of Attended mode.
7. illuminating line electrical fire detection system according to claim 6, it is characterised in that described electric fire disaster monitoring main frame is configured with audible-visual annunciator, display, power supply and processor；Described processor is connected with described audible-visual annunciator, described display and described power supply respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620106039.6U CN205375736U (en) | 2016-02-02 | 2016-02-02 | Illuminating line electric fire detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620106039.6U CN205375736U (en) | 2016-02-02 | 2016-02-02 | Illuminating line electric fire detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205375736U true CN205375736U (en) | 2016-07-06 |
Family
ID=56262788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620106039.6U Expired - Fee Related CN205375736U (en) | 2016-02-02 | 2016-02-02 | Illuminating line electric fire detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205375736U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166263A (en) * | 2018-09-20 | 2019-01-08 | 深圳市中电数通智慧安全科技股份有限公司 | A kind of electrical fire method for integrated control, device and terminal device |
| CN109239561A (en) * | 2018-11-29 | 2019-01-18 | 宁波习羽智能科技有限公司 | Slave, host and detector for split type fault electric arc detector |
| CN111583576A (en) * | 2020-05-26 | 2020-08-25 | 北京良业环境技术股份有限公司 | Electrical fire monitoring device and system |
-
2016
- 2016-02-02 CN CN201620106039.6U patent/CN205375736U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166263A (en) * | 2018-09-20 | 2019-01-08 | 深圳市中电数通智慧安全科技股份有限公司 | A kind of electrical fire method for integrated control, device and terminal device |
| CN109239561A (en) * | 2018-11-29 | 2019-01-18 | 宁波习羽智能科技有限公司 | Slave, host and detector for split type fault electric arc detector |
| CN111583576A (en) * | 2020-05-26 | 2020-08-25 | 北京良业环境技术股份有限公司 | Electrical fire monitoring device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20200202 |