CN109191764A - A kind of fire -detecting system - Google Patents
A kind of fire -detecting system Download PDFInfo
- Publication number
- CN109191764A CN109191764A CN201811340627.6A CN201811340627A CN109191764A CN 109191764 A CN109191764 A CN 109191764A CN 201811340627 A CN201811340627 A CN 201811340627A CN 109191764 A CN109191764 A CN 109191764A
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- fire
- alarm
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- detector
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- 230000002165 photosensitisation Effects 0.000 claims abstract description 11
- 239000003504 photosensitizing agent Substances 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims description 20
- 238000012360 testing method Methods 0.000 claims description 17
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 4
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000004079 fireproofing Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002834 transmittance 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
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire Alarms (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The application belongs to fireproofing technique field, in particular to a kind of fire -detecting system.The system includes: fire detector, fire alarm prior-warning device and warning system.The fire detector is used to detect the fire alarm information in region to be measured；The fire alarm prior-warning device is used to receive and process fire alarm information and the location information of fire detector generates warning information；The warning system is for being stored and being shown warning information.The fire -detecting system of the application, using array photosensitizing type fire detector, every group of detector monitors different zones just export fire alarm information, compensate for deficiency existing for traditional fire -detecting system only when same group of fire detector issues fire alarm.Meanwhile Redundancy Design is used inside fire alarm prior-warning device, the accuracy and reliability of fire detection are improved, with the features such as strong antijamming capability, false alarm rate is low, and maintainability is good, there is extensive popularization and application foreground.
Description
Technical field
The application belongs to fireproofing technique field, in particular to a kind of fire -detecting system.
Background technique
Fire -detecting system is used to monitor the fire alarm dangerous situation of enging cabin, and timely and accurately provides alarm letter to pilot
Number, it guides pilot to start fire extinguishing system and implements fire extinguishing.
Common fire -detecting system has: thermistor-type fire -detecting system, pneumatic heat-sensitive type fire -detecting system and
Photosensitizing type fire -detecting system.Thermistor-type fire -detecting system realizes the inspection of fire alarm by the resistance variations of fire detector
It surveys, such fire detector is easily affected by environment, and polluting or drenching with rain easily causes fire -detecting system to report fire alarm by mistake.Pneumatic heat-sensitive type
Fire -detecting system realizes the detection of fire alarm by the variation to fire detector gas room pressure, due to helicopter flight process
In the atmospheric condition that encounters it is sufficiently complex, different flying height temperature differences are larger, and pneumatic heat-sensitive type fire -detecting system is same
There is also sizable false alarm rates.Photosensitive type fire -detecting system is believed using the ultraviolet or infrared light of Fire Radiation as input
Number, using photoelectric effect, electric signal is converted optical signal into, is converted to alarm signal after signal acquisition and processing, thus real
The detection of existing fire alarm, due to can also report a fire when photosensitizing type fire detector short circuit, fire -detecting system the same area is only
Reliability is poor when having a fire detector, and it is short-circuit or true to cannot be distinguished from detector for fire -detecting system in certain situation
Excess fire is alert, therefore also will appear false alarm condition.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one drawbacks described above of the prior art.
Summary of the invention
The purpose of the application there is provided a kind of fire -detecting system, with solve it is of the existing technology at least one ask
Topic.
The technical solution of the application is:
A kind of fire -detecting system, comprising:
Fire detector, for detecting the fire alarm information in region to be measured；
Fire alarm prior-warning device, the location information for receiving and processing the fire alarm information and the fire detector generate
Warning information；
Warning system, for being stored and being shown the warning information.
Optionally, the region to be measured includes enging cabin and the cabin APU.
Optionally, the fire detector includes at least one group, and every group includes two fire detectors, same to be measured
Fire detector described at least arranging one group in region is all made of and couples between same group and the different group fire detectors
Line.
Optionally, fire detector described in one group includes two photosensitizing type fire detectors.
Optionally, fire detector described in one group includes a pneumatic type fire detector and a photosensitizing type fire detection
Device.
Optionally, the fire alarm prior-warning device includes signal acquisition module, control processing module and output module；
The signal acquisition module is used to receive the location information of the fire alarm information Yu the fire detector；
The control processing module is used to handle the fire alarm information and the location information of the fire detector generates announcement
Alert information；
The output module is used to the warning information being sent to the warning system.
Optionally, when described fire detector of only one in fire detector described in same group issues fire alarm information,
The control processing module does not do alarming processing.
Optionally, the fire alarm prior-warning device further includes power module and selftest module；
The power module is used to be converted to external input power the working power of the fire alarm prior-warning device；
The selftest module includes power-on self-test, period self-test and maintenance self-test, the power-on self-test and the period
Self-test can monitor system in real time, and the maintenance self-test can input instruction by ground and be monitored to system.
Optionally, the power module is provided with filtering and voltage regulator circuit.
Optionally, the warning system includes light alarm, phonic warning and display alarm.
At least there are following advantageous effects in the application:
The fire -detecting system of the application improves the accuracy and reliability of fire detection, has strong antijamming capability,
The features such as false alarm rate is low, and maintainability is good has extensive popularization and application foreground.
Detailed description of the invention
Fig. 1 is the fire -detecting system schematic diagram of one embodiment of the application；
Fig. 2 is the fire -detecting system flow chart of one embodiment of the application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the application
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
In explanation the application, and it should not be understood as the limitation to the application.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.Under
Face is described in detail embodiments herein in conjunction with attached drawing.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of description the application and simplifies description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the application
The limitation of range.
1 to Fig. 2 the application is described in further details with reference to the accompanying drawing.
The fire -detecting system of the application, including fire detector, fire alarm prior-warning device and warning system.
Specifically, fire detector is used to detect the fire alarm information in region to be measured；Fire alarm prior-warning device is for receiving simultaneously
The location information for handling fire alarm information and fire detector generates warning information；Warning system is for storing warning information
With display.Region to be measured includes enging cabin and the cabin APU etc..
Wherein, fire detector includes at least one group, and every group includes two fire detectors, in same region to be measured at least
It arranges one group of fire detector, is all made of simultaneously tie between same group and different group fire detectors.Single or part fire alarm
When detector fails, it is only that the region where failing fire detector can not detect fire alarm, does not influence entire fire -detecting system
Function.One group of fire detector may include two photosensitizing type fire detectors or pneumatic type fire detector and
One photosensitizing type fire detector.As shown in Figure 1, fire detector includes three groups, often in the embodiment of the application
Group includes two photosensitizing type fire detectors.In the present embodiment, photosensitizing type fire detector is preferably ultraviolet formula fire detection
Device, it is different that ultraviolet formula fire detector can be mounted on helicopter engine cabin and the cabin APU etc. according to fire prevention detection requirement
Region to be measured, and when installation direction can be adjusted flexibly to guarantee the kindling of any position of engine in ultraviolet formula fire detector, it can
Timely and accurately to be detected.Ultraviolet formula fire detector is examined by acquisition enging cabin and the ultraviolet light signal in the cabin APU
Fire alarm is surveyed, only to the ultraviolet-responsive in certain narrow bandwidth range, without by other wavelength bands such as visible light, infrared rays
Light influences.The structure of the ultraviolet formula fire detector is mainly made of the components such as ultraviolet phototube and ultraviolet optical window.Ultraviolet light
Sensing element of the fulgurite as ultraviolet formula fire detector is a closed holvi glass pipe, filled with special gas in pipe
Ultraviolet signal is converted to electric signal using photoelectric effect by body, and ultraviolet phototube has the characteristics that high temperature resistant, high pressure.It is ultraviolet
Optical window is shaped using saturating ultraviolet optical glass through special process, and ultraviolet light transmittance is ultraviolet to improve up to 80% or more
Response sensitivity of the formula fire detector to ultraviolet light.When there is fire alarm alert, the ultraviolet formula fire detector meeting of at least one group
Issue fire alarm information.It is only the region where the ultraviolet formula detector of failure when the ultraviolet formula fire detector in single or part fails
Fire alarm information can not be detected, does not influence the function of entire fire -detecting system.
Further, fire alarm prior-warning device is adapted with ultraviolet formula fire detector, for receiving ultraviolet formula fire detector
Fire alarm information, warning information is supplied to warning system after the processing such as signal acquisition, filter shape.At one of the application
It include several signal acquisition modules, control processing module, selftest module, power supply mould inside fire alarm prior-warning device in embodiment
Block and output module, each module have been all made of Redundancy Design, acquisition, place according to software instruction requirement completion to fire alarm information
The work such as reason, logic judgment, filtering and output.
In the present embodiment, signal acquisition module is used to receive the ultraviolet light that the flame of ultraviolet formula fire detector acquisition issues
Rdaiation response signal.The high-voltage pulse signal that power module generates is added in ultraviolet formula fire detector one end, when the external world is without fire
When flame, ultraviolet formula fire detector is not turned on, and detection circuit shows as off state, when there is flame in the external world, ultraviolet formula fire alarm
Detector is connected under high pressure and the collective effect of ultraviolet light, to control processing module output voltage pulse signal.Signal acquisition
Acquisition interface is matched with ultraviolet formula fire detector in module, and the position of the recordable ultraviolet formula fire detector being attached thereto
Current fire alarm information and location information can be sent to control processing module when fire alarm or line fault occurs by information.
The information that export to signal acquisition module of control processing module such as is filtered at the processing, and passes through software algorithm to institute
The flame information of acquisition is analyzed, to judge the states such as normal, failure and fire alarm.When same group of ultraviolet formula fire detector
When issuing fire alarm information, processing module outputting alarm information is controlled, while the location information of fire detector is sent to announcement
Alert system.And when only one fire detector issues fire alarm in same group of fire detector, control processing module is not done
Alarming processing.
Selftest module has power-on self-test, period self-test and maintenance self-checking function.Power-on self-test and period self-test can be to lines
The working condition on road, fire detector and fire alarm prior-warning device is checked, when short circuit, open circuit or fire detector occur for route
And when fire alarm prior-warning device failure, location of fault can be accurately positioned and fault message is exported to warning system by output module
And address information；Safeguard inspection and dimension of the self-test when being ground check, by ground crew by input instruction realization to system
Shield.
Power module is used to being converted to external input power into the working power of fire alarm prior-warning device, be provided with filtering and
Voltage regulator circuit, can inhibit the impact of spike and surge voltage to fire alarm prior-warning device, and interior design has the independent low tension of two-way
Source is used for digital circuit all the way, and another way becomes high pressure through low pressure conversion, is used to ultraviolet formula fire detector.
Output module is made of communication interface and hardware interface, when having fire alarm in judgement system, by hardware interface to
Warning system sends a warning message, and lights signal lamp and issues phonic warning prompt, while being sent out by communication interface to display
Warning information out；When having line broken circuit, short circuit, fire detector or fire alarm prior-warning device failure in judgement system, by logical
Communication interface issues fault message to display.
In addition, in the present embodiment, warning system is mainly aobvious by warning light control unit, phonic warning unit and electromechanics
Show that device unit forms.Warning light control unit is divided into alarm level, pays attention to grade and prompts grade alarm, and alarm level alarm shows as red
Lamp notices that grade alarm shows as amber light, grade alarm is prompted to show as green light；Phonic warning unit synthesizes voice according to warning information
Signal, and sound frequency and size are determined by alarm level；Electromechanical display device unit faulty can be enumerated institute by alarm level
Inventory, and prompt pilot to be handled in time by font color.Therefore, when fire alarm or line fault occurs, fire alarm
Prior-warning device exports fire alarm or line fault signal, can be prompted by light, language and display picture pilot's fire alarm or
Line fault signal and location information guide pilot to put out a fire in time.
The fire -detecting system of the application, using array photosensitizing type fire detector, every group of detector monitors different zones,
Only when same group of fire detector issues fire alarm, fire alarm information is just exported, traditional fire -detecting system is compensated for
Existing deficiency.Meanwhile Redundancy Design is used inside fire alarm prior-warning device, improve the accuracy of fire detection and reliable
Property, with the features such as strong antijamming capability, false alarm rate is low, and maintainability is good, there is extensive popularization and application foreground.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
Cover within the scope of protection of this application.Therefore, the protection scope of the application should be with the scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of fire -detecting system characterized by comprising
Fire detector, for detecting the fire alarm information in region to be measured；
Fire alarm prior-warning device, the location information for receiving and processing the fire alarm information and the fire detector, which generates, to be alerted
Information；
Warning system, for being stored and being shown the warning information.
2. fire -detecting system according to claim 1, which is characterized in that the region to be measured include enging cabin and
The cabin APU.
3. fire -detecting system according to claim 1, which is characterized in that the fire detector includes at least one group,
Every group includes two fire detectors, at least arrange one group in same region to be measured described in fire detector, same group and
Difference, which is organized, is all made of simultaneously tie between the fire detector.
4. fire -detecting system according to claim 3, which is characterized in that fire detector described in one group includes two senses
Light formula fire detector.
5. fire -detecting system according to claim 3, which is characterized in that fire detector described in one group includes a gas
Dynamic formula fire detector and a photosensitizing type fire detector.
6. fire -detecting system according to claim 3, which is characterized in that the fire alarm prior-warning device includes signal acquisition
Module, control processing module and output module；
The signal acquisition module is used to receive the location information of the fire alarm information Yu the fire detector；
The control processing module is used to handle the fire alarm information and the location information of the fire detector generates alarm letter
Breath；
The output module is used to the warning information being sent to the warning system.
7. fire -detecting system according to claim 6, which is characterized in that in the fire detector described in same group only
When one fire detector issues fire alarm information, the control processing module does not do alarming processing.
8. fire -detecting system according to claim 7, which is characterized in that the fire alarm prior-warning device further includes power supply mould
Block and selftest module；
The power module is used to be converted to external input power the working power of the fire alarm prior-warning device；
The selftest module includes power-on self-test, period self-test and maintenance self-test, the power-on self-test and the period self-test
System can be monitored in real time, the maintenance self-test can input instruction by ground and be monitored to system.
9. fire -detecting system according to claim 8, which is characterized in that the power module is provided with filtering and steady
Volt circuit.
10. fire -detecting system according to claim 1, which is characterized in that the warning system includes light alarm, language
Sound alarm and display alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811340627.6A CN109191764A (en) | 2018-11-12 | 2018-11-12 | A kind of fire -detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811340627.6A CN109191764A (en) | 2018-11-12 | 2018-11-12 | A kind of fire -detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109191764A true CN109191764A (en) | 2019-01-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811340627.6A Pending CN109191764A (en) | 2018-11-12 | 2018-11-12 | A kind of fire -detecting system |
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| CN (1) | CN109191764A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114180081A (en) * | 2021-11-19 | 2022-03-15 | 中国直升机设计研究所 | Helicopter light-sensitive fire alarm detection and logic judgment method |
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| CN203733249U (en) * | 2014-02-24 | 2014-07-23 | 南京信息工程大学 | Fire locating and alarming device |
| CN104050769A (en) * | 2013-03-14 | 2014-09-17 | 基德科技公司 | Thermal event detection and notification system |
| EP3065117A1 (en) * | 2015-03-05 | 2016-09-07 | The Boeing Company | Dual-loop smoke and fire detector system and method |
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2018
- 2018-11-12 CN CN201811340627.6A patent/CN109191764A/en active Pending
Patent Citations (3)
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| CN104050769A (en) * | 2013-03-14 | 2014-09-17 | 基德科技公司 | Thermal event detection and notification system |
| CN203733249U (en) * | 2014-02-24 | 2014-07-23 | 南京信息工程大学 | Fire locating and alarming device |
| EP3065117A1 (en) * | 2015-03-05 | 2016-09-07 | The Boeing Company | Dual-loop smoke and fire detector system and method |
Non-Patent Citations (2)
| Title |
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| 翟雅琼等: ""感光型火警探测器在直升机防火系统中的应用研究"", 《直升机技术》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114180081A (en) * | 2021-11-19 | 2022-03-15 | 中国直升机设计研究所 | Helicopter light-sensitive fire alarm detection and logic judgment method |
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Application publication date: 20190111 |