CN112044011A - Gas fire extinguishing control system and control method - Google Patents
Gas fire extinguishing control system and control method Download PDFInfo
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- CN112044011A CN112044011A CN202010968499.0A CN202010968499A CN112044011A CN 112044011 A CN112044011 A CN 112044011A CN 202010968499 A CN202010968499 A CN 202010968499A CN 112044011 A CN112044011 A CN 112044011A
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- fire
- fighting
- bus
- processing unit
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a gas fire-extinguishing control system and a control method, wherein the control method is applied to the gas fire-extinguishing control system, the gas fire-extinguishing control system comprises a fire alarm module, a fire linkage central processing unit, a fire bus and an execution terminal, and the fire alarm module comprises a fire detector, an audible and visual alarm and a manual alarm. The fire detector detects the scene, transmits signals to the central processing unit of the fire-fighting linkage through the fire bus, and after the signals are analyzed by the central processing unit of the fire-fighting linkage, the fire bus sends alarm signals to the audible and visual alarm and action signals to the execution terminal, and the execution terminal carries out fire-extinguishing treatment. The fire alarm module, the fire-fighting linkage central processing unit and the execution terminal are laid on the basis of the two-wire fire-fighting bus, so that the fire alarm module, the fire-fighting linkage central processing unit and the execution terminal are simple and reliable, are easy to construct and save cost.
Description
Technical Field
The invention belongs to the technical field of fire extinguishing and fire fighting systems, relates to a fire extinguishing system, and particularly relates to a gas fire extinguishing control system and a control method.
Background
Along with the development of modern construction in China, people pay more and more attention to fire prevention. In recent years, related laws and regulations have been issued and implemented by national fire protection laws, and the prevention of fire in engineering construction is improved to the height of the laws and regulations. In a fire-fighting system, a fire alarm, a fire-fighting central processing unit and an execution terminal play more important roles and are important command equipment for automatically executing on-site fire extinguishing after a fire occurs. The early fire extinguishing control system is used as one part of fire fighting linkage, has a complex structure, is not beneficial to construction, has higher probability of false alarm and maloperation, and causes unnecessary property loss. This is a disadvantage in the prior art.
In view of the above, it is necessary to provide a gas fire extinguishing control system and a control method thereof to solve the above technical problems in the prior art.
Disclosure of Invention
The invention aims to provide a gas fire-extinguishing control system and a control method aiming at the technical problem of high false alarm and malfunction probability of fire alarm in the prior art, and solves the problems of complex structure and unfavorable construction of a gas fire-extinguishing controller in fire-fighting linkage.
In order to achieve the purpose, the invention provides the following technical scheme:
a gas fire-extinguishing control system is characterized by comprising a fire alarm module, a fire-fighting linkage central processing unit, a fire-fighting bus and an execution terminal; the fire alarm module comprises a fire detector, an audible and visual alarm and a manual alarm; the fire fighting linkage central processing unit is connected to the fire fighting bus, the fire detector, the audible and visual alarm and the manual alarm are connected to the fire fighting bus, and the remote alarm is connected to the fire fighting linkage central processing unit; the execution terminal is connected to the fire-fighting bus through a partition controller, and the partition controller is also connected with a manual trigger switch; the fire detector detects the scene, transmits signals to the central processing unit of the fire-fighting linkage through the fire bus, and after the signals are analyzed by the central processing unit of the fire-fighting linkage, the fire bus sends alarm signals to the audible and visual alarm and action signals to the execution terminal, and the execution terminal carries out fire-extinguishing treatment; the fire-fighting bus is a two-wire fire-fighting bus.
Preferably, the method comprises the following steps: the fire detector is a temperature/smoke detector.
Preferably, the method comprises the following steps: the fire-fighting bus is a two-wire fire-fighting bus.
Preferably, the method comprises the following steps: the power supply for starting the gas steel cylinder of the spraying equipment is output by 24V direct current.
A gas fire suppression control method, comprising the steps of:
s1, the fire detector detects the scene, converts the detected characteristic physical quantities such as temperature, smoke, gas and the like into electric signals and transmits the electric signals to the central processing unit of the fire-fighting linkage;
s2, the central processing unit of the fire fighting linkage receives the signal and then analyzes and processes the signal, if the analysis result is a fire signal, an alarm signal is sent to an audible and visual alarm, and an execution terminal on the same two-wire fire fighting bus is triggered;
s3, after the execution terminal receives the signal sent by the central processing unit of the fire-fighting linkage, the execution terminal immediately and automatically closes the fire-fighting rolling door of the relevant fire-fighting partition, and simultaneously starts the preset fire-fighting delay;
and S4, when the fire extinguishing time delay countdown is finished, the solenoid valve of the gas steel cylinder of the spraying equipment acts to release the fire extinguishing agent to extinguish the fire.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a technical scheme of a gas fire-extinguishing control system and a control method, and particularly relates to a two-wire fire-extinguishing bus-based fire alarm module, a fire-fighting linkage central processing unit and an execution terminal, which achieve the purposes of simplifying a circuit structure, reducing cost and false alarm rate and are convenient for construction of workers.
Drawings
FIG. 1 is a control flow chart of the present invention.
FIG. 2 is a logic wiring diagram of the partition control output of the present invention.
Detailed Description
The invention is further described with reference to the following description of the drawings and specific examples, which are not intended to be limiting.
With reference to fig. 1 and 2, a gas fire extinguishing control system is characterized by comprising a fire alarm module, a fire linkage central processing unit, a fire bus and an execution terminal; the fire alarm module comprises a fire detector, an audible and visual alarm and a manual alarm; the fire fighting linkage central processing unit is connected to the fire fighting bus, the fire detector, the audible and visual alarm and the manual alarm are connected to the fire fighting bus, and the remote alarm is connected to the fire fighting linkage central processing unit; the execution terminal is connected to the fire-fighting bus through a partition controller, and the partition controller is also connected with a manual trigger switch; the fire detector detects the scene, transmits signals to the central processing unit of the fire-fighting linkage through the fire bus, and after the signals are analyzed by the central processing unit of the fire-fighting linkage, the fire bus sends alarm signals to the audible and visual alarm and action signals to the execution terminal, and the execution terminal carries out fire-extinguishing treatment; the fire-fighting bus is a two-wire fire-fighting bus.
As shown in fig. 2, on the basis of the above technical solution, a serial multi-stage output control mode is adopted, that is, a plurality of audible and visual alarms and a plurality of spraying devices are connected to the fire protection bus.
Example 1:
the fire detector detects the scene, converts the detected characteristic physical quantities such as temperature, smoke, gas and the like into electric signals and transmits the electric signals to the central processing unit of the fire-fighting linkage; the central processing unit of the fire fighting linkage receives the trigger signal and then carries out analysis processing, if the smoke concentration reaches more than 0.2db/m or the field temperature reaches more than 55 ℃, the central processing unit of the fire fighting linkage judges that a fire disaster occurs on the field, sends an alarm signal to the audible and visual alarm and the remote alarm, and simultaneously triggers an execution terminal on the same two-wire fire fighting bus; after the execution terminal receives a signal sent by the central processing unit of the fire-fighting linkage, the execution terminal immediately and automatically closes the fire-fighting rolling door of the relevant fire-fighting subarea and starts the preset fire-fighting delay at the same time; after the fire-extinguishing time-delay countdown is finished, the solenoid valve of the gas steel cylinder of the spraying equipment acts to release the fire extinguishing agent to extinguish the fire.
Example 2:
when a fire disaster is found by field personnel, a manual alarm and an emergency starting switch are manually triggered, the emergency starting switch is connected to a partition controller through an internal connecting line, and when the partition controller receives an emergency starting signal, the rolling door is controlled to be closed, and meanwhile, a preset fire extinguishing delay is started; after the fire-extinguishing time-delay countdown is finished, the solenoid valve of the gas steel cylinder of the spraying equipment acts to release the fire extinguishing agent to extinguish the fire.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. A gas fire-extinguishing control system is characterized by comprising a fire alarm module, a fire-fighting linkage central processing unit, a fire-fighting bus and an execution terminal; the fire alarm module comprises a fire detector, an audible and visual alarm and a manual alarm; the fire fighting linkage central processing unit is connected to the fire fighting bus, the fire detector, the audible and visual alarm and the manual alarm are connected to the fire fighting bus, and the remote alarm is connected to the fire fighting linkage central processing unit; the execution terminal is connected to the fire-fighting bus through a partition controller, and the partition controller is also connected with a manual trigger switch; the fire detector detects the scene, transmits signals to the central processing unit of the fire-fighting linkage through the fire bus, and after the signals are analyzed by the central processing unit of the fire-fighting linkage, the fire bus sends alarm signals to the audible and visual alarm and action signals to the execution terminal, and the execution terminal carries out fire-extinguishing treatment; the fire-fighting bus is a two-wire fire-fighting bus.
2. A gas fire suppression control system according to claim 1, wherein said enforcement terminal includes a spraying device and a gas cylinder solenoid valve, the gas cylinder solenoid valve being connected to the zone controller.
3. A gas fire suppression control system as recited in claim 1, wherein said enforcement terminal further comprises a tambour door solenoid valve and a tambour door, the tambour door solenoid valve being connected to the zone controller.
4. A gas fire extinguishing control system as recited in claim 1, wherein the spraying device comprises a gas cylinder solenoid valve, and the power supply for activating the gas cylinder solenoid valve is provided with a dc 24V output to ensure reliable and practical valve-opening signal.
5. The DC 24V output according to claim 4, wherein the DC 24V output is powered for 5 seconds and automatically powered off after 5 seconds to maintain reliability and practicality.
6. A gas fire-extinguishing control system as recited in claim 1, wherein a plurality of audible and visual alarms and a plurality of zone controllers are connected to the fire-fighting bus.
7. A gas fire-extinguishing control system according to claim 1, wherein the manual trigger switch includes an emergency start switch and an emergency stop switch, and when the execution terminal fails to automatically trigger, the emergency start switch is manually triggered to ensure timely fire extinguishing.
8. A gas fire suppression control method, comprising the steps of:
s1, the fire detector detects the scene, converts the detected characteristic physical quantities such as temperature, smoke, gas and the like into electric signals and transmits the electric signals to the central processing unit of the fire-fighting linkage;
s2, the central processing unit of the fire fighting linkage receives the signal and then analyzes and processes the signal, if the analysis result is a fire signal, an alarm signal is sent to an audible and visual alarm, and an execution terminal on the same two-wire fire fighting bus is triggered;
s3, after the execution terminal receives the signal sent by the central processing unit of the fire-fighting linkage, the execution terminal immediately and automatically closes the fire-fighting rolling door of the relevant fire-fighting partition, and simultaneously starts the preset fire-fighting delay;
and S4, when the fire extinguishing time delay countdown is finished, the solenoid valve of the gas steel cylinder of the spraying equipment acts to release the fire extinguishing agent to extinguish the fire.
9. The time delay of claim 8, wherein the time delay of fire extinguishing is 0 to 30 seconds.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010968499.0A CN112044011A (en) | 2020-09-15 | 2020-09-15 | Gas fire extinguishing control system and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010968499.0A CN112044011A (en) | 2020-09-15 | 2020-09-15 | Gas fire extinguishing control system and control method |
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| CN112044011A true CN112044011A (en) | 2020-12-08 |
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| CN202010968499.0A Pending CN112044011A (en) | 2020-09-15 | 2020-09-15 | Gas fire extinguishing control system and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943074A (en) * | 2021-01-22 | 2021-06-11 | 武汉科技大学 | Method for opening fireproof rolling door of urban underground communication channel |
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| WO2007051240A1 (en) * | 2005-11-02 | 2007-05-10 | Dale Robert Scott | Automated fire extinguishing system |
| CN106924914A (en) * | 2017-04-21 | 2017-07-07 | 公安部上海消防研究所 | The emergency disposal system and method for electric automobile electric charging station electrokinetic cell thermal runaway |
| CN110102001A (en) * | 2019-04-24 | 2019-08-09 | 北京市亚太安设备安装有限责任公司 | A kind of fire-fighting linkage control system |
| CN111583607A (en) * | 2020-05-09 | 2020-08-25 | 山东众海智能科技有限公司 | Two-wire system automatic fire alarm system |
-
2020
- 2020-09-15 CN CN202010968499.0A patent/CN112044011A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007051240A1 (en) * | 2005-11-02 | 2007-05-10 | Dale Robert Scott | Automated fire extinguishing system |
| CN106924914A (en) * | 2017-04-21 | 2017-07-07 | 公安部上海消防研究所 | The emergency disposal system and method for electric automobile electric charging station electrokinetic cell thermal runaway |
| CN110102001A (en) * | 2019-04-24 | 2019-08-09 | 北京市亚太安设备安装有限责任公司 | A kind of fire-fighting linkage control system |
| CN111583607A (en) * | 2020-05-09 | 2020-08-25 | 山东众海智能科技有限公司 | Two-wire system automatic fire alarm system |
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| 伍爱友等: "《防火与防爆工程》", 31 January 2014, 国防工业出版社 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943074A (en) * | 2021-01-22 | 2021-06-11 | 武汉科技大学 | Method for opening fireproof rolling door of urban underground communication channel |
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Application publication date: 20201208 |
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