CN108053599A - A kind of fire alarm monitoring system that would know that crowd density - Google Patents
A kind of fire alarm monitoring system that would know that crowd density Download PDFInfo
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- CN108053599A CN108053599A CN201711466719.4A CN201711466719A CN108053599A CN 108053599 A CN108053599 A CN 108053599A CN 201711466719 A CN201711466719 A CN 201711466719A CN 108053599 A CN108053599 A CN 108053599A
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- cable
- host computer
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- alarm
- fire
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 72
- 230000032683 aging Effects 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 6
- 238000012806 monitoring device Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000001235 sensitizing effect Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000037237 body shape Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 230000001012 protector Effects 0.000 claims 1
- 238000004458 analytical method Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000001931 thermography Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/12—Checking intermittently signalling or alarm systems
- G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
- G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits
Abstract
The invention discloses a kind of fire alarm monitoring systems that would know that crowd density, mainly adjust part including host computer system, monitor portion and early warning.Pass through each cable aging extent of damage in monitor portion on-line monitoring scene, coordinate distribution box temperature and flame that the information such as signal occur, it is aggregated into host computer system finishing analysis, if monitor the danger that will have and electrical fire occurs, early warning adjustment portion distributes cloth fire alarm to Live Audio and alarm, most quickly makes personnel by thermal infrared imager positioning Field Force position and withdraws scheme.The present invention not only fundamentally accurate measurements electrical fire, gives warning in advance, information is accurate, while can evacuate crowd with prestissimo after fire generation, avoid second accident, safely and effectively before it occurs.
Description
Technical field
It is related to intelligent monitor system field.
Technical background
With the development of modern science and technology, all kinds of electrical equipments have been correspondingly made available extensive development and utilization.Big
The numerous place of the cables such as type market, office building and residential block is the area occurred frequently of electrical fire, while this kind of place is also people
The place of intensive, the economic concentration of group, once fire incident occurs, caused by injures and deaths and economic loss be unable to estimate.So can and
When prevention, provide effective measures fire monitoring system it is also more and more important.Conventional fire monitoring and alarming system is monitoring fire
It can just be forecast after generation, it is therefore intended that loss is reduced, and electric fire monitoring system is then that early warning is provided before fire occurs, mesh
Be avoid losing.
, it is necessary to which a kind of accurate and effective, safety and early warning can be provided before electrical fire occurs in the life of urbanization
With the fire monitoring system of evacuation measure.And the electric fire monitoring system generally carried out now is substantially examined by sensor
Power quality and temperature value in the residual current signal of measurement equipment cable, circuit, then coordinate live fire detector pre- to infer
The generation of electrical fire is reported, though this method is perfect, the data gathered in terms of detection cable are too indirect, easily
Cause wrong report phenomenon；Such as the residual current of cable, no matter circuit either with or without failure its residual current be all it is fixed existing for, with
Residual current is the mode of parameter decision circuitry failure and not accurate enough.So it is also needed in terms of electrical fire monitoring further
Innovation.
The content of the invention
For above-mentioned technical problem, the present invention provides a kind of fire alarm monitoring system that would know that crowd density
System, operational process are, by each cable aging extent of damage in the scene of monitoring on-line, distribution box temperature and flame to be coordinated to believe
Number etc. information, summarize finishing analysis, if detection have exception, staff in time deals with to dangerous circuit；If monitoring
To the danger that there will be generation electrical fire, fire alarm is issued to Live Audio and alarm, at the same it is comprehensive by relevant device
It closes each passageway for fire apparatus direction and people position and most quickly makes personnel and withdraw scheme, then instruct people's safe escape.
The present invention is described in detail below.It would know that the fire alarm monitoring system of crowd density, it is main to include master
Machine system, monitor portion and early warning adjust part.
The host computer system mainly includes monitoring host computer and alarm system forms.Monitoring host computer and monitor portion it is each
Detecting terminal is electrically connected by its respective data cell, and the data obtained is summarized storage；Alarm system is adjusted with early warning
Alarm is played the role of in partial relevant device connection, evacuation is adjusted.
The monitor portion mainly includes cable degree of aging on-line monitoring device, device for monitoring temperature and flame detecting
Device.Cable degree of aging on-line monitoring device is mainly made of external electric magnetic coupler, A/D converter and amplifier, external
Formula electromagnetic coupler makees magnetic core using high frequency ferrite magnetic material, circular in two halves, mounted on each cable end or
In several terminal boxes of cable run；After external electric magnetic coupler on wherein each cable installs, with a metal
Protective case wraps, and secondly cable coupling box is needed to change as the terminal box with metal shell, this method can effectively shield a large amount of outer
Portion's electromagnetic interference；The BNC connector connection amplifier of external electric magnetic coupler, amplifier connection A/D converter are examined for amplifying
Then the electric signal of survey converts electrical signals into digital data transmission to monitoring host computer by A/D converter.Device for monitoring temperature
It is the temperature sensing cable being made of temperature sensing cable line, decoding signals, termination box, is also referred to as wire type heat detector；Wherein temperature-sensitive electricity
Cable is installed in tested cable and distribution box, and with being connected termination box, decoding signals are electrically connected with each other, pass through termination box
Connect monitoring host computer；When temperature sensing cable line is mounted on tested cable, itself and tested cable parallel contact can be allowed, every 2m cards
Tool is fixed with tested cable, during mounted on distribution box, is directly wound on panel for electricity distribution box, must not beaten using safe winding mode
Fast knot.Flame detector is then directly connected with monitoring host computer, and highest target is high in each sensitizing range at the scene for distributing installation
Twice of place of degree, detecting the flame of each sensitizing range position, a situation arises.
The early warning adjusts part mainly by being made of Live Audio, alarm and thermal infrared imager, Live Audio and
Alarm is distributed in each safety zone position, is directly connected with the alarm system of host computer system；Thermal infrared imager is according to scene
Environment sets several, and on the wall of more than 50cm from the ground, internal display module passes through network interface and master
The monitoring host computer connection of machine system.
Further illustrate the fire alarm monitoring system that would know that crowd density, operation principle is：
The present invention carries out cable aging damaged degree, cable and power equipment temperature and live flame situation in monitor portion
On-line monitoring.In terms of cable degree of aging monitoring, external electric magnetic coupler is mounted on the key position of cable, senses in real time
The partial discharge pulse current for flowing through cable shield counter monitors shelf depreciation situation；When a certain position of cable generates shelf depreciation feelings
Condition, have interruption pulse current generate, pulse current variation size electric signal can as the basic parameter of shelf depreciation,
It is more big to change electric signal, reflects that cable insulation degree of aging is higher, the danger of power-off can be caused；The electric signal of variation is through putting
After big device amplification, then digital signal is converted by A/D converter, be transferred on the monitoring host computer of host computer system, staff's root
The aging damaged degree of cable is judged according to obtained signal.In terms of cable, device temperature monitoring, monitoring is respectively set temperature sensing cable in real time
The standby temperature value with around cable selects the different temperature sensing cable of threshold value, by all monitoring informations through end according to different environment
End box is transferred on the monitoring host computer of host computer system.Then there is flame detector to be detected in terms of live flame, monitor number in real time
According to being synchronized on monitoring host computer；The setting of flame detector is in order to avoid other two monitoring are in the environmental factor of force majeure
Under the influence of cause wrong report situation.If occurring in monitoring process, cable local discharge signal is excessive, cable, the temperature of power equipment
It is excessively high, then illustrate that the insulating layer of some cables is breakdown, serious aging damage, it is more likely that electrical hazard occurs, work people
The cable position for the information failure judgement that member comes according to monitoring host computer transmission, some unnecessary electrical equipments of closing are to reduce electricity
Cable load is sent someone to in-situ processing failure cable in time, prevents electrical fire；If also monitoring scene simultaneously has fire
The presence of light then proves that cable circuit has triggered electrical fire, and host computer system can send alarm system fire alarm instruction,
Fire alarm information is issued by Live Audio and alarm；Simultaneously by each thermal infrared imager the fortune of live each area
Dynamic thermal radiation signal is shown in graphic images on monitoring host computer display screen, and staff sees human body shape through display screen
After the graphic images of shape, can know the densely populated place degree of live each area indirectly, then comprehensive live passageway for fire apparatus position and
When formulate personal best evacuate measure, achieve the purpose that maximize reduce casualties.
Beneficial effects of the present invention：The present invention is supervised by the real time monitoring to cable aging damaged degree in the starting stage
Survey the generation of electrical fire, and accurate and effective, the detecting terminal of external is kept away but also entire monitor portion structure is simpler
Exempt from monitor portion with monitored component mutually to have a negative impact；Human body technology is then positioned using thermal imaging in warning aspect,
Scene of fire staffing is evacuated in time, casualties situation can be greatly reduced.
Description of the drawings
Fig. 1 is the system construction drawing of the fire alarm monitoring system that would know that crowd density.
It is marked in attached drawing as follows：1st, monitor portion；2nd, host computer system；3rd, early warning adjusts part.
Specific embodiment
Present invention specific implementation is further illustrated below.
Example 1：Intend in five floor, take up an area 2500m2Department stores in build present system.One kind would know that people
The fire alarm monitoring system of group's closeness mainly includes host computer system 2, monitor portion 1 and early warning and adjusts part 3.
The host computer system 2 mainly includes monitoring host computer and alarm system forms.Monitoring host computer and monitor portion it is each
A detecting terminal is electrically connected by its respective data cell, and the data obtained is summarized storage；Alarm system and early warning tune
The relevant device connection of part is saved, plays the role of alarm, evacuation is adjusted.
The monitor portion 1 mainly includes cable degree of aging on-line monitoring device, device for monitoring temperature and flame and visits
Survey device.Cable degree of aging on-line monitoring device is mainly made of external electric magnetic coupler, A/D converter and amplifier, outside
Put formula electromagnetic coupler and magnetic core made using high frequency ferrite magnetic material, it is circular in two halves, mounted on each cable end or
In several terminal boxes of person's cable run；After external electric magnetic coupler on wherein each cable installs, with a gold
Belong to protective case to wrap, secondly cable coupling box is needed to change as the terminal box with metal shell, this method can be shielded effectively largely
External electromagnetic interference；The BNC connector connection amplifier of external electric magnetic coupler, amplifier connection A/D converter, for amplifying
Then the electric signal of detection converts electrical signals into digital data transmission to monitoring host computer by A/D converter.Monitoring temperature fills
It is the temperature sensing cable being made of temperature sensing cable line, decoding signals, termination box to put, also referred to as wire type heat detector；Wherein temperature-sensitive
Cable is installed in tested cable and distribution box, and with being connected termination box, decoding signals are electrically connected with each other, pass through terminal
Box connects monitoring host computer；When temperature sensing cable line is mounted on tested cable, itself and tested cable parallel contact can be allowed, used every 2m
Fixture is fixed with tested cable, during mounted on distribution box, is directly wound in using safe winding mode on panel for electricity distribution box, must not
It knots.Flame detector is then directly connected with monitoring host computer, distributing installation highest target in each sensitizing range at the scene
Highly twice of place, detecting the flame of each sensitizing range position, a situation arises.
The early warning adjusts part 3 mainly by being made of Live Audio, alarm and thermal infrared imager, Live Audio and
Alarm is distributed in each safety zone position, is directly connected with the alarm system of host computer system；The each floor of thermal infrared imager
6 are set, on the wall of more than 50cm from the ground, internal display module passes through network interface and host computer system
Monitoring host computer connects.
It would know that the fire alarm monitoring system of crowd density, operation principle is：
The present invention can be to cable aging damaged degree, cable and power equipment temperature and live flame situation in monitor portion 1
It is monitored online.In terms of cable degree of aging monitoring, external electric magnetic coupler is mounted on the key position of cable, in real time
The partial discharge pulse current that cable shield is flowed through in sensing counter monitors shelf depreciation situation；When a certain position of cable generates local put
Electric situation, the pulse current for having interruption generate, and the electric signal of pulse current variation size can be as the basic of shelf depreciation
Parameter, variation electric signal is more big, reflects that cable insulation degree of aging is higher, can cause the danger of power-off；The electric signal of variation
Digital signal is converted into after amplifier amplifies, then by A/D converter, is transferred on the monitoring host computer of host computer system 2, work people
Member judges the aging damaged degree of cable according to obtained signal.In terms of cable, device temperature monitoring, temperature sensing cable monitors in real time
Temperature value around each equipment and cable selects the different temperature sensing cable of threshold value, by all monitoring informations according to different environment
It is transferred to through termination box on the monitoring host computer of host computer system 2.Then there is flame detector to be detected in terms of live flame, supervise in real time
Control data are synchronized on monitoring host computer；The setting of flame detector is in order to avoid other two monitoring are in the environment of force majeure
The situation of wrong report is caused under the influence of factor.If occurring in monitoring process, cable local discharge signal is excessive, cable, power equipment
Temperature is excessively high, then illustrates that the insulating layer of some cables is breakdown, serious aging damage, it is more likely that electrical hazard, work occurs
Make personnel according to monitoring host computer transmission come information failure judgement cable position, close some unnecessary electrical equipments to subtract
Few cable load is sent someone to in-situ processing failure cable in time, prevents electrical fire；If scene is also monitored simultaneously
There is the presence of flame, then prove that cable circuit has triggered electrical fire, host computer system 2 can send fire alarm to alarm system
Instruction issues fire alarm information by Live Audio and alarm；Simultaneously by each thermal infrared imager each area in scene
The thermal radiation signal of the movement in domain is shown in graphic images on monitoring host computer display screen, and staff sees through display screen
After the graphic images of body shape, the densely populated place degree of live each area, then comprehensive live passageway for fire apparatus can be known indirectly
Position formulates personal best and evacuates measure in time, achievees the purpose that maximize and reduces casualties.
Above-mentioned specific implementation description is simply to further detailed description of the invention, model not as limiting to the invention
It encloses, the obvious change made on the premise of without departing from core concept of the present invention, within the scope of the present invention.
Claims (4)
1. a kind of fire alarm monitoring system that would know that crowd density, which is characterized in that mainly include：Host computer system, prison
Control part and early warning adjust part；The host computer system mainly includes monitoring host computer and alarm system forms；The monitoring
Part mainly includes cable degree of aging on-line monitoring device, device for monitoring temperature and flame detector；The early warning is adjusted
Part Live Audio, alarm and thermal infrared imager mainly by being made of；
Cable degree of aging on-line monitoring device in the monitor portion by external electric magnetic coupler, A/D converter and is put
Big device composition；External electric magnetic coupler is mounted in several terminal boxes of each cable end or cable run, and BNC connects
Head connection amplifier, amplifier connection A/D converter, A/D converter connection monitoring host computer；Device for monitoring temperature is by temperature-sensitive electricity
The temperature sensing cable that cable, decoding signals, termination box are formed, wherein temperature sensing cable line are installed in tested cable and distribution box,
And with being connected termination box, decoding signals are electrically connected with each other, monitoring host computer is connected by termination box；Flame detector is then direct
Be connected with monitoring host computer, distributing installation at the scene in each sensitizing range twice of highest goal height place；
The early warning adjusts Live Audio and alarm in part and is directly connected with the alarm system of host computer system, thermal infrared imager
Several are set according to site environment, on the wall of more than 50cm from the ground, internal display module passes through network
Interface and the monitoring host computer of host computer system connect.
2. a kind of fire alarm monitoring system that would know that crowd density according to claim 1, which is characterized in that
It is wrapped outside external electric magnetic coupler on each cable with a metal protection protector, cable coupling box is changed to gold
Belong to the terminal box of shell.
3. a kind of fire alarm monitoring system that would know that crowd density according to claim 1 or 2, feature exist
In temperature sensing cable line mounting means is：With tested cable parallel contact, fixed, be mounted on fixture and tested cable every 2m
During distribution box, it is directly wound in using safe winding mode on panel for electricity distribution box.
A kind of 4. fire alarm monitoring system that would know that crowd density according to claim 1, which is characterized in that institute
It states host computer system and the Principle Method of early warning adjusting parts all work locating personnel position is：Host computer system sends out alarm system
Go out fire alarm instruction, fire alarm information is issued by Live Audio and alarm, while passes through each thermal infrared imager handle
The thermal radiation signal of the movement of live each area is shown in graphic images on monitoring host computer display screen, and staff penetrates
After display screen sees the graphic images of body shape, the densely populated place degree of live each area can be known indirectly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466719.4A CN108053599A (en) | 2017-12-28 | 2017-12-28 | A kind of fire alarm monitoring system that would know that crowd density |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466719.4A CN108053599A (en) | 2017-12-28 | 2017-12-28 | A kind of fire alarm monitoring system that would know that crowd density |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108053599A true CN108053599A (en) | 2018-05-18 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711466719.4A Withdrawn CN108053599A (en) | 2017-12-28 | 2017-12-28 | A kind of fire alarm monitoring system that would know that crowd density |
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| Country | Link |
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| CN (1) | CN108053599A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383880A (en) * | 2020-09-30 | 2021-02-19 | 广东南控云图科技有限公司 | Power consumption safety coefficient with cloud broadcasting |
| US11498809B2 (en) | 2018-08-17 | 2022-11-15 | Otis Elevator Company | Elevator system with thermal sensors |
-
2017
- 2017-12-28 CN CN201711466719.4A patent/CN108053599A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11498809B2 (en) | 2018-08-17 | 2022-11-15 | Otis Elevator Company | Elevator system with thermal sensors |
| CN112383880A (en) * | 2020-09-30 | 2021-02-19 | 广东南控云图科技有限公司 | Power consumption safety coefficient with cloud broadcasting |
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Application publication date: 20180518 |