CN108320433A - Active inspiration formula fire detector fire alarm confirms device and method - Google Patents
Active inspiration formula fire detector fire alarm confirms device and method Download PDFInfo
- Publication number
- CN108320433A CN108320433A CN201711487827.XA CN201711487827A CN108320433A CN 108320433 A CN108320433 A CN 108320433A CN 201711487827 A CN201711487827 A CN 201711487827A CN 108320433 A CN108320433 A CN 108320433A
- Authority
- CN
- China
- Prior art keywords
- fire
- alarm
- active inspiration
- inspiration formula
- fire detector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
- G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/002—Generating a prealarm to the central station
-
- 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
- G08B29/18—Prevention or correction of operating errors
Abstract
The invention discloses a kind of active inspiration formula fire detector fire alarms to confirm device, including sampling conduit, for acquiring air sample by the thieff hatch on sampling conduit；Active inspiration formula fire detector, for measuring and analyzing smokescope in air sample, it issues warning signal and fire alarm confirmation signal, return line or monitoring line, for when smokescope respectively reaches alarm threshold value a and alarm threshold value b, pre-warning signal and fire alarm confirmation signal to be transmitted to automatic fire alarm system host；Automatic fire alarm system host, for receiving pre-warning signal and alarm signal.The present invention also provides a kind of active inspiration formula fire detector fire alarm confirmation method based on the confirmation device, this method is while ensureing system stable operation, it can effectively realize that the fire alarm of automatic fire alarm system automatically confirms that, with extremely strong versatility, it is greatly saved system equipment cost and construction cost, convenient for system debug, the system maintenance work amount in later stage is simplified.
Description
Technical field
The present invention relates to building fire protection fire-fighting domain, more particularly to a kind of active inspiration formula fire detector fire alarm confirms dress
It sets and method.
Background technology
Since active inspiration formula fire detector has the characteristics that initiative, flexibility and Multi-stage alarming, therefore each
Using more and more in automatic fire alarm system in important building.In automatic fire alarm system, fire alarm confirms past
It is realized toward by the "AND" logic of two independent alarm triggering device signals, to need two active inspiration formula detections
Device come realize fire alarm confirm purpose.Costly due to active inspiration formula fire detector equipment, pass through two active inspirations
Formula fire detector come realize fire alarm confirm, cost is higher, and fire alarm confirmation method is more complex.Therefore, project cost, side are being reduced
Just realize that active inspiration formula fire detector fire alarm automatically confirms that function is to need to solve at present under the premise of the use, maintenance of system
Certainly the problem of.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of active inspiration formula fire detector fire alarm confirmation device
And method, low engineering cost, and it is easy to operate, convenient for safeguard.
The present invention is to reach its purpose, and the technical solution of use is as follows：
A kind of active inspiration formula fire detector fire alarm confirmation device, which is characterized in that including：
Sampling conduit, for acquiring air sample by the thieff hatch on sampling conduit；
Active inspiration formula fire detector is sent out for measuring and analyzing the smokescope in collected air sample
Pre-warning signal and fire alarm confirmation signal；
Return line or monitoring line, for active inspiration formula fire detector to be connected to automatic fire alarm system host,
When smokescope respectively reaches alarm threshold value a and alarm threshold value b, pre-warning signal and fire alarm confirmation signal are transmitted to fire certainly
Dynamic alarm system host；
Automatic fire alarm system host is arranged in building's fire control room, is believed by the early warning of pick-up probe
Number and alarm signal, carry out fire confirmation, and fire confirmation after automatic alarm；
One end of the active inspiration formula fire detector passes through return line or monitoring line and automatic fire alarm system phase
Even, the other end of the active inspiration formula fire detector is connected with sampling conduit, and the active inspiration formula fire detector exists
Only one in one search coverage.
Further, the active inspiration formula fire detector is made of asepwirator pump, probe source, detection cavity.
Further, the probe source uses laser or LED light source.
The present invention also provides the active inspiration formula detections that a kind of active inspiration formula fire detector fire alarm confirms device
Device fire alarm confirmation method, which is characterized in that include the following steps：
S1, setting active inspiration formula fire detector alarm threshold value, alarm threshold value a, alarm threshold value b；
S2, air sample is acquired by the thieff hatch on sampling conduit, active inspiration formula fire detector is to collected
Air sample carries out smokescope and measures and analyze；
S3, when the active inspiration formula fire detector detects that smokescope reaches alarm threshold value a, the active is inhaled
Gas formula fire detector issues warning signal；When the active inspiration formula fire detector detects that smokescope reaches warning level
When value b, the active inspiration formula fire detector confirms fire alarm；
S4, automatic fire alarm system host receive pre-warning signal or receive fire alarm.
Further, fire is confirmed by the Multi-stage alarming of an active inspiration formula fire detector.
Compared with prior art, the invention has the advantages that：
It is realized to this cigarette using an active inspiration formula fire detector by the way that different grades of alarm threshold value is arranged
Effective judgement of mist diffusion/fire development situation, the early warning of detector and fire alarm are only when fire really occurs and occurs
It can just be triggered successively after smog spread condition, be very rationally and reliable for the smoke control system that links.This active is inhaled
Gas formula fire detector fire alarm confirm device and method low engineering cost, it is cost-effective and easy to use, convenient for safeguard.
Description of the drawings
Fig. 1 is that fire alarm of the present invention confirms schematic diagram；
Fig. 2 is return line connection diagram of the present invention；
Fig. 3 is present invention monitoring line connection diagram；
In figure：
1-active inspiration formula fire detector；2-sampling conduits；3-thieff hatch；4-monitoring lines；5-return lines；6—
Automatic fire alarm system host.
In conjunction with attached drawing, the invention will be further described with specific embodiment.
Specific implementation mode
Detail is elaborated in the following description in order to fully understand the present invention.But the present invention can be with very much
Implement different from the other modes of this description, those skilled in the art can do class without violating the connotation of the present invention
Like popularization, therefore the present invention is not limited by following public specific embodiment.
Refering to fig. 1, shown in 2, the present invention provides a kind of active inspiration formula fire detector fire alarm confirmation device, including：
Sampling conduit 2, for acquiring air sample by the thieff hatch on sampling conduit；
Active inspiration formula fire detector 1, for measuring and analyzing the smokescope in collected air sample, sends out
Pre-warning signal and fire alarm confirmation signal；
Return line 5 or monitoring line 4, for when smokescope respectively reaches alarm threshold value a and alarm threshold value b, by early warning
Signal and fire alarm confirmation signal are transmitted to automatic fire alarm system host；
Automatic fire alarm system host 6, for receiving pre-warning signal and alarm signal, automatic alarm after fire confirms.
Wherein fire alarm confirms that the active inspiration formula fire detector 1 in device is one, active inspiration formula fire detector 1
One end by return line 5 or monitoring line 4 be connected with automatic fire alarm system host 6, active inspiration formula fire detector 1
The other end is connected with sampling conduit 2.One or more sampling can be connected according to actual conditions active inspiration formula fire detector 1
Pipeline 2, is distributed with a certain number of thieff hatch 3 on sampling conduit 2, and the quantity of thieff hatch is according to the physical length of sampling conduit 2
It determines, is spaced 6 meters between two thieff hatch 3 under normal circumstances, and thieff hatch 3 is uniformly distributed.Active inspiration formula detection
Device 1 is made of asepwirator pump, probe source, detection cavity, and probe source uses laser or LED light source.
Fig. 1 and Fig. 2 is respectively the connection type and prison that active inspiration formula fire detector fire alarm confirms the return line 5 of device
The connection type of line 4 is controlled, monitoring line 4 receives on-off model by rigid line, and return line 5 carries out communication company by protocol signal
It connects.Both connection types can reach is transmitted to automatic fire alarm system host 6 by pre-warning signal and alarm signal
Purpose.
In monitoring region, asepwirator pump is by the thieff hatch 3 on sampling conduit 2, the continuous acquisition air out of monitored district
Sample, air sample enter the detection cavity of detector, and are detected analysis to air sample in detection cavity, in air sample
Smoke particle so that laser acquisition light source is scattered, scattering light makes highly sensitive optical receiver generate signal, by detector
Network analysis, completes opto-electronic conversion, and smokescope value is shown by detector display.When smokescope value reaches warning level
When value a, active inspiration formula detector 1 issues warning signal, and with the continuous diffusion of smog, more thieff hatch collect cigarette
Mist so that smokescope value increases, and when smokescope value reaches alarm threshold value b, it is true that active inspiration formula detector 1 sends out fire alarm
Recognize signal.Finally, fire alarm confirmation signal fire is transmitted to by the communication connection type of return line 5 or monitoring line 4 to report automatically
Alert system host 6.
The fire alarm confirm device by be arranged an active inspiration formula fire detector 1, can fire early detection fire behavior,
Fire alarm, and can be set by flexible smog alarm threshold value to confirm fire, it solves in automatic fire alarm system, fire alarm confirms
It is realized often through the "AND" logic of two independent alarm triggering device signals, project cost is high, and be not easy to safeguard asks
Topic.And by the way that different smog alarm threshold values is arranged, achievees the purpose that early warning and fire alarm confirm, fire alarm wrong report, behaviour can be reduced
Facilitate.
The invention also includes a kind of active inspiration formula fire detector fire alarm confirmation methods, which is characterized in that including following
Step：
S1, setting active inspiration formula fire detector alarm threshold value, alarm threshold value a, alarm threshold value b；
S2, air sample is acquired by the thieff hatch on sampling conduit, active inspiration formula fire detector is to collected
Air sample carries out smokescope and measures and analyze；
S3, when the active inspiration formula fire detector detects that smokescope reaches alarm threshold value a, the active is inhaled
Gas formula fire detector issues warning signal；When the active inspiration formula fire detector detects that smokescope reaches warning level
When value b, the active inspiration formula fire detector confirms fire alarm；
S4, automatic fire alarm system host receive pre-warning signal or receive fire alarm.
It, can only be to the list of the position where the detector when actually occurring fire behavior for conventional port smoke detector
Point smog is detected, as long as the warning concentration of probe is not achieved in live smokescope, there will be no any one probes to alarm,
Reach, then multiple probes can be caused to alarm.It is to some given zone but for active inspiration formula fire detector
Domain carries out zonal smoke detection, and the region can simultaneously be protected by multiple thieff hatch.Smog can quilt in uphill process
Air-flow, which is diluted and diffused, to come, and smog can be captured by multiple thieff hatch, rather than only from a thieff hatch enter detector into
Row analysis, this there is a porous synergistic effect, and can judge whether smog diffusion has occurred accordingly, when in detection zone
Domain certain is added the smog of high concentration or can trigger fire detector in the widely distributed low concentration smog of detection zone
Early warning and automatically confirm that fire alarm.Therefore it is come from using the early warning of active inspiration formula fire detector 1 and fire alarm confirmation signal
It is dynamic to confirm that fire alarm is very rationally and effective.
For step S1, it is generally the case that the warning sensitivity of active inspiration formula fire detector 1 is on the left sides 5%obs/m
It is right, it is assumed that when a thieff hatch 3 detects the smog of 5%obs/m, active inspiration formula fire detector 1 should provide early warning letter
Number, if being examined for 30 according to practical maximum the number of openings (correspond to 200 mitrons are long and Kong Yukong between uniform intervals be 6 meters)
Consider, the smokescope value that detector at this time detects should be：5%x0.033=0.167%obs/m.Feel pyrotechnics when there are two
When fire detector is alarmed, the smokescope that two smoke fire detectors have detected 5%obs/m is represented, at this point for one
For platform active inspiration formula fire detector 1, it is equivalent to there are two the smokescope that thieff hatch 3 has all detected 5%obs/m,
The smokescope value that detector detects at this time should be 5%x0.033x2=0.33%obs/m, therefore, according to above-mentioned theory
The conclusion that reasoning and multiple engineering actual test are obtained, it is proposed that alarm threshold value a is 0.25~0.3%obs/m, smog alarm threshold
Value b is 0.35~0.4%obs/m, when smog alarm concentration respectively reaches the cigarette of smog alarm threshold value a and smog alarm threshold value b
When mistiness angle value, you can confirm fire alarm.This complies fully with two traditional smoke fire detectors with the smoke evacuation that links after alarm
What the smokescope value of system required.
It should be noted that when smokescope value reaches alarm threshold value a, active inspiration formula detector 1 only sends out pre-
Alert signal, there is no start fire alarm.If with the diffusion of smog, smokescope value reaches alarm threshold value b, then active inspiration
Formula detector 1 sends out fire alarm confirmation signal, and fire alarm is transmitted to automatic fire alarm system host 6, and starts fire-fighting
Fire extinguishing system.
For step S1-S4, active inspiration formula detector fire alarm confirmation method of the present invention, this method is ensureing system
It while system stable operation, can effectively realize that the fire alarm of automatic fire alarm system automatically confirms that, there is extremely strong versatility,
System equipment cost and construction cost are dramatically saved, is convenient for system debug, simplifies the system maintenance work amount in later stage.
Finally it should be noted that：It these are only the preferred embodiment of the present invention, any form not done to the present invention
On limitation, therefore all contents without departing from technical solution of the present invention according to the technical essence of the invention do above example
Any simple modification, equivalent change and modification, be still within the scope of the technical scheme of the invention.
Claims (5)
1. a kind of active inspiration formula fire detector fire alarm confirms device, which is characterized in that including：
Sampling conduit, for acquiring air sample by the thieff hatch on sampling conduit；
Active inspiration formula fire detector sends out early warning for measuring and analyzing the smokescope in collected air sample
Signal and fire alarm confirmation signal；
Return line or monitoring line work as cigarette for active inspiration formula fire detector to be connected to automatic fire alarm system host
When mistiness degree respectively reaches alarm threshold value a and alarm threshold value b, pre-warning signal and fire alarm confirmation signal are transmitted to fire and reported automatically
Alert system host；
Automatic fire alarm system host is arranged in building's fire control room, by the pre-warning signal of pick-up probe and
Alarm signal carries out fire confirmation, and the automatic alarm after fire confirmation；
One end of the active inspiration formula fire detector is connected by return line or monitoring line with automatic fire alarm system, institute
The other end for stating active inspiration formula fire detector is connected with sampling conduit, and the active inspiration formula fire detector is visited at one
Only one is surveyed in region.
2. active inspiration formula fire detector fire alarm according to claim 1 confirms device, which is characterized in that the active
Air suction type fire disaster detector is made of asepwirator pump, probe source, detection cavity.
3. active inspiration formula fire detector fire alarm according to claim 2 confirms device, which is characterized in that the detection
Light source uses laser or LED light source.
4. a kind of active inspiration formula fire detector fire alarm based on described in claim 1-3 confirms the active inspiration formula fire of device
Fire detector fire alarm confirmation method, which is characterized in that include the following steps：
S1, setting active inspiration formula fire detector alarm threshold value, alarm threshold value a, alarm threshold value b；
S2, air sample is acquired by the thieff hatch on sampling conduit, active inspiration formula fire detector is to collected air
Sample carries out smokescope and measures and analyze；
S3, when the active inspiration formula fire detector detects that smokescope reaches alarm threshold value a, the active inspiration formula
Fire detector issues warning signal；When the active inspiration formula fire detector detects that smokescope reaches alarm threshold value b
When, the active inspiration formula fire detector confirms fire alarm；
S4, automatic fire alarm system host receive pre-warning signal or receive fire alarm.
5. active inspiration formula fire detector fire alarm confirmation method according to claim 4, it is characterised in that：Pass through one
The Multi-stage alarming of active inspiration formula fire detector confirms fire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711487827.XA CN108320433A (en) | 2017-12-29 | 2017-12-29 | Active inspiration formula fire detector fire alarm confirms device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711487827.XA CN108320433A (en) | 2017-12-29 | 2017-12-29 | Active inspiration formula fire detector fire alarm confirms device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108320433A true CN108320433A (en) | 2018-07-24 |
Family
ID=62893709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711487827.XA Pending CN108320433A (en) | 2017-12-29 | 2017-12-29 | Active inspiration formula fire detector fire alarm confirms device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108320433A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110942583A (en) * | 2018-09-21 | 2020-03-31 | 中国移动通信有限公司研究院 | Method, device and terminal for reporting smoke alarm |
| CN112237707A (en) * | 2020-09-17 | 2021-01-19 | 嘉兴恒创电力设计研究院有限公司 | Multi-stage linkage energy storage fire control method and system |
| CN112466084A (en) * | 2020-11-25 | 2021-03-09 | 江苏中实电子有限公司 | Electrical fire monitoring detector and alarm method thereof |
| CN112525626A (en) * | 2020-12-01 | 2021-03-19 | 蓝菠万(山东)科技有限公司 | Accurate positioning system and method for pipeline air suction type air sampling abnormal position |
| CN112735078A (en) * | 2020-12-24 | 2021-04-30 | 中标慧安信息技术股份有限公司 | Intelligent home management method and system of Internet of things |
| CN114973580A (en) * | 2022-03-28 | 2022-08-30 | 中国辐射防护研究院 | Fire early warning method and system for nuclear industry ventilation and purification system |
| CN116153013A (en) * | 2023-02-22 | 2023-05-23 | 营口天成消防设备有限公司 | Air suction type fire detection system and detection method based on machine smell |
| CN116165345A (en) * | 2023-02-22 | 2023-05-26 | 营口天成消防设备有限公司 | Positioning system and method for abnormal sampling hole of air suction type smoke detector |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008082710A (en) * | 2006-09-25 | 2008-04-10 | Nittan Co Ltd | Smoke detector |
| CN202394332U (en) * | 2011-11-22 | 2012-08-22 | 爱国者电子科技有限公司 | Smoke detector with prewarning and prompting functions |
| CN103106765A (en) * | 2013-01-11 | 2013-05-15 | 中国船舶重工集团公司第七二六研究所 | Wind-power cabin fire hazard early-stage monitoring system and monitoring method thereof |
| CN203250387U (en) * | 2013-05-06 | 2013-10-23 | 西安博康电子有限公司 | Distributed air sampling smoke detection system |
| CN103839372A (en) * | 2012-11-26 | 2014-06-04 | 西安奥赛福科技有限公司 | Double-identification air-suction smoke-sensitive fire detection alarm system |
| CN107134106A (en) * | 2017-07-12 | 2017-09-05 | 陈福平 | A kind of electronics air suction type smoke fire detector |
| CN208126602U (en) * | 2017-12-29 | 2018-11-20 | 广州地铁设计研究院有限公司 | Active inspiration formula fire detector fire alarm confirms device |
-
2017
- 2017-12-29 CN CN201711487827.XA patent/CN108320433A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008082710A (en) * | 2006-09-25 | 2008-04-10 | Nittan Co Ltd | Smoke detector |
| CN202394332U (en) * | 2011-11-22 | 2012-08-22 | 爱国者电子科技有限公司 | Smoke detector with prewarning and prompting functions |
| CN103839372A (en) * | 2012-11-26 | 2014-06-04 | 西安奥赛福科技有限公司 | Double-identification air-suction smoke-sensitive fire detection alarm system |
| CN103106765A (en) * | 2013-01-11 | 2013-05-15 | 中国船舶重工集团公司第七二六研究所 | Wind-power cabin fire hazard early-stage monitoring system and monitoring method thereof |
| CN203250387U (en) * | 2013-05-06 | 2013-10-23 | 西安博康电子有限公司 | Distributed air sampling smoke detection system |
| CN107134106A (en) * | 2017-07-12 | 2017-09-05 | 陈福平 | A kind of electronics air suction type smoke fire detector |
| CN208126602U (en) * | 2017-12-29 | 2018-11-20 | 广州地铁设计研究院有限公司 | Active inspiration formula fire detector fire alarm confirms device |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110942583B (en) * | 2018-09-21 | 2021-11-19 | 中国移动通信有限公司研究院 | Method, device and terminal for reporting smoke alarm |
| CN110942583A (en) * | 2018-09-21 | 2020-03-31 | 中国移动通信有限公司研究院 | Method, device and terminal for reporting smoke alarm |
| CN112237707A (en) * | 2020-09-17 | 2021-01-19 | 嘉兴恒创电力设计研究院有限公司 | Multi-stage linkage energy storage fire control method and system |
| CN112237707B (en) * | 2020-09-17 | 2021-12-24 | 嘉兴恒创电力设计研究院有限公司 | Multi-stage linkage energy storage fire control method and system |
| CN112466084A (en) * | 2020-11-25 | 2021-03-09 | 江苏中实电子有限公司 | Electrical fire monitoring detector and alarm method thereof |
| CN112525626A (en) * | 2020-12-01 | 2021-03-19 | 蓝菠万(山东)科技有限公司 | Accurate positioning system and method for pipeline air suction type air sampling abnormal position |
| CN112735078B (en) * | 2020-12-24 | 2021-10-26 | 中标慧安信息技术股份有限公司 | Intelligent home management method and system of Internet of things |
| CN112735078A (en) * | 2020-12-24 | 2021-04-30 | 中标慧安信息技术股份有限公司 | Intelligent home management method and system of Internet of things |
| CN114973580A (en) * | 2022-03-28 | 2022-08-30 | 中国辐射防护研究院 | Fire early warning method and system for nuclear industry ventilation and purification system |
| CN114973580B (en) * | 2022-03-28 | 2024-02-23 | 中国辐射防护研究院 | Early fire early warning method and system for nuclear industry ventilation purification system |
| CN116153013A (en) * | 2023-02-22 | 2023-05-23 | 营口天成消防设备有限公司 | Air suction type fire detection system and detection method based on machine smell |
| CN116165345A (en) * | 2023-02-22 | 2023-05-26 | 营口天成消防设备有限公司 | Positioning system and method for abnormal sampling hole of air suction type smoke detector |
| CN116153013B (en) * | 2023-02-22 | 2024-02-09 | 营口天成消防设备有限公司 | Air suction type fire detection system and detection method based on machine smell |
| CN116165345B (en) * | 2023-02-22 | 2024-04-12 | 营口天成消防设备有限公司 | Positioning system and method for abnormal sampling hole of air suction type smoke detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108320433A (en) | Active inspiration formula fire detector fire alarm confirms device and method | |
| CN203192156U (en) | Early warning alarm system for fire-fighting safety | |
| US20240038054A1 (en) | Self-testing fire sensing device | |
| US9384643B2 (en) | Fire detection | |
| CN103191533B (en) | Intelligent fire monitoring and evacuation indicating system and method | |
| CN102693600B (en) | Unit disaster control method and system | |
| CN107643149B (en) | A kind of cleanner bag leakage positioning and fault diagnosis system | |
| CN210348725U (en) | Video monitoring and fire alarm linkage system | |
| CN203375987U (en) | Machine room environment network system | |
| CN104464158B (en) | Fire alarm linkage control method and system | |
| CN208126602U (en) | Active inspiration formula fire detector fire alarm confirms device | |
| CN108648408A (en) | A kind of photoelectric smoke detector and its self checking method | |
| CN111047815A (en) | Method and system for identifying false alarm of fire-fighting detector based on self-learning model | |
| CN107389213A (en) | Piping lane fire information acquisition system and the method for judging fire resistant doorsets unlatching opportunity | |
| CN109087475A (en) | A kind of forest fireproofing early warning system based on LoRa wireless network | |
| CN109166269A (en) | Fire early warning device and system based on wireless communication | |
| CN113181586A (en) | Data mining system and method for fire-fighting facility fault analysis | |
| CN107195162A (en) | A kind of noise intelligent detecting method and its system for skyscraper | |
| Qualey III | Fire test comparisons of smoke detector response times | |
| CN207123923U (en) | Intelligent concentration suction-type cable fire pole early warning device | |
| CN208092906U (en) | A kind of photoelectric smoke detector | |
| CN113658402A (en) | Fire control thing networking alarm integrated system | |
| CN108520622A (en) | A kind of security against fire detection method and device | |
| CN102789671B (en) | Maintenance-free photoelectric type smoke detector and test process thereof | |
| CN103839372A (en) | Double-identification air-suction smoke-sensitive fire detection alarm system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 510010 No. 204 Huanshi West Road, Guangzhou City, Guangdong Province Applicant after: Guangzhou Metro Design and Research Institute Co., Ltd. Address before: 510010 No. 204 Huanshi West Road, Guangzhou City, Guangdong Province Applicant before: Guangzhou Metro Design & Research Institute Co., Ltd. |
|
| CB02 | Change of applicant information |