阅读说明：本技术 一种火灾自动报警演示系统及其工作方法 (Automatic fire alarm demonstration system and working method thereof ) 是由 李铁修 张琦 于 2021-06-30 设计创作，主要内容包括：本发明属于火灾教学技术领域,公开了一种火灾自动报警演示系统及其工作方法,所述的火灾自动报警演示系统包括上位机单元和火灾自动报警演示单元；所述的工作方法包括以下步骤：上位机单元接收用户选择的工作模式信号,并根据工作模式信号向火灾自动报警演示单元发送对应的演示工作信号；火灾自动报警演示单元的火灾报警控制器根据接收到的演示工作信号生成对应的演示方案；对应的火灾自动报警演示装置根据演示方案进行火灾自动报警演示工作。本发明解决了现有技术存在的消防设施知识教学不够直观、教学效果不好、缺乏实践经验、无法全局展示火灾自动报警系统的所有功能的问题。(The invention belongs to the technical field of fire teaching and discloses an automatic fire alarm demonstration system and a working method thereof, wherein the automatic fire alarm demonstration system comprises an upper computer unit and an automatic fire alarm demonstration unit; the working method comprises the following steps: the upper computer unit receives a working mode signal selected by a user and sends a corresponding demonstration working signal to the automatic fire alarm demonstration unit according to the working mode signal; a fire alarm controller of the fire automatic alarm demonstration unit generates a corresponding demonstration scheme according to the received demonstration working signal; and the corresponding automatic fire alarm demonstration device performs automatic fire alarm demonstration according to the demonstration scheme. The invention solves the problems that the knowledge teaching of the fire fighting equipment is not intuitive enough, the teaching effect is not good, the practical experience is lacked, and all the functions of the automatic fire alarm system cannot be displayed globally in the prior art.)

1. A fire automatic alarm demonstration system is characterized in that: the fire disaster alarm demonstration system comprises an upper computer unit and a fire disaster automatic alarm demonstration unit, wherein the upper computer unit is in communication connection with the fire disaster automatic alarm demonstration unit;

the upper computer unit is used for providing a working mode selection function and sending a corresponding demonstration working signal to the automatic fire alarm demonstration unit according to the working mode selected by the user;

and the fire automatic alarm demonstration unit is used for receiving the demonstration work signal sent by the upper computer unit, generating a corresponding demonstration scheme and carrying out corresponding demonstration work according to the demonstration scheme.

2. A fire automatic alarm presentation system as claimed in claim 1, wherein: the upper computer unit comprises a main control module, a communication module, a touch display screen and a buzzer, wherein the main control module is in communication connection with the communication module, the touch display screen and the buzzer respectively, and the communication module is in communication connection with the automatic fire alarm demonstration unit.

3. A fire automatic alarm presentation system as claimed in claim 1, wherein: the automatic fire alarm demonstration unit comprises a fire alarm controller and an automatic fire alarm demonstration device set, the automatic fire alarm demonstration device set comprises a plurality of automatic fire alarm demonstration devices, and the fire alarm controller is in communication connection with the upper computer unit and the automatic fire alarm demonstration devices respectively.

4. A fire automatic alarm presentation system according to claim 3, wherein: the automatic fire alarm demonstration device group comprises a trigger device group, a fire alarm device group, a linkage output device and other device groups, wherein each device in the trigger device group, the fire alarm device group, the linkage output device and the other device groups is in communication connection with the fire alarm controller.

5. A fire automatic alarm presentation system according to claim 4, wherein: the fire automatic alarm demonstration device in the trigger device group comprises a smoke detector, a temperature detector and a manual alarm button;

the automatic fire alarm demonstration devices in the fire alarm device groups comprise fire-fighting broadcasters, fire alarms and audible and visual alarms;

the fire automatic alarm demonstration device in the linkage output device group comprises a fire-fighting extension telephone, an input and output module, an open type spray head, a smoke exhaust fan, a system illuminating lamp and an emergency illuminating lamp;

the automatic fire alarm demonstration device in the other device groups comprises a road indicator, a fire hydrant, a smoke generator, a simulation elevator, a simulation rolling door and an LED lamp strip.

6. A working method of a fire automatic alarm demonstration system is characterized in that: a fire automatic alarm demonstration system according to any one of claims 1 to 5, wherein the fire automatic alarm demonstration system comprises an upper computer unit and a fire automatic alarm demonstration unit, and the working method comprises the following steps:

the upper computer unit receives a working mode signal selected by a user and sends a corresponding demonstration working signal to the automatic fire alarm demonstration unit according to the working mode signal;

a fire alarm controller of the fire automatic alarm demonstration unit generates a corresponding demonstration scheme according to the received demonstration working signal;

and the corresponding automatic fire alarm demonstration device performs automatic fire alarm demonstration according to the demonstration scheme.

7. A method of operating an automatic fire alarm demonstration system according to claim 6 wherein: the working modes of the fire automatic alarm demonstration system comprise a video linkage demonstration mode and a manual linkage demonstration mode.

8. A method of operating an automatic fire alarm presentation system as claimed in claim 7, wherein: based on a video linkage demonstration mode, the automatic fire alarm demonstration unit generates a video linkage demonstration scheme, and the video linkage demonstration scheme is realized based on linkage between the upper computer unit and the fire alarm controller and linkage between the fire alarm controller and each automatic fire alarm demonstration device;

based on a manual linkage demonstration mode, the automatic fire alarm demonstration unit generates a manual linkage demonstration scheme, and the manual linkage demonstration scheme is realized based on linkage between a user and the fire alarm controller and linkage between the fire alarm controller and each automatic fire alarm demonstration device.

9. A method of operating an automatic fire alarm presentation system as claimed in claim 8, wherein: the video linkage demonstration scheme comprises the following steps: the fire alarm controller introduces programs, smoke detector demonstration programs, temperature detector demonstration programs, manual alarm button demonstration programs, input and output module demonstration programs, audible and visual alarm demonstration programs, open type spray head demonstration programs, fire fighting broadcaster demonstration programs, escape demonstration programs, fire hydrant demonstration programs, smoke exhaust fan demonstration programs, lighting lamp switching demonstration programs and rolling door simulation demonstration programs.

10. A method of operating an automatic fire alarm presentation system as claimed in claim 8, wherein: the manual linkage demonstration scheme comprises the following steps:

the smoke generator generates smoke for the first time;

if the smoke detector detects smoke at present, the mode of the illuminating lamp is switched, and the fire alarm continuously works;

if other smoke detectors detect smoke or a manual alarm button receives a manual alarm signal, the fire-fighting broadcaster plays an escape broadcast, the elevator is simulated to descend to the bottommost layer, the audible and visual alarm starts to work, and the smoke exhaust fan starts to work;

the smoke generator generates smoke for the second time and simulates half-descending of the roller shutter door;

the smoke generator generates smoke for the third time, the full falling of the roller shutter door is simulated, and the open type spray head starts to work;

and if a reset signal is received or a demonstration termination period is reached, all power supplies are turned off.

Technical Field

The invention belongs to the technical field of fire teaching, and particularly relates to an automatic fire alarm demonstration system and a working method thereof.

Background

With the rapid development of society, modern large-scale buildings, public gathering place buildings and high-rise buildings are more and more, in order to ensure the fire safety of buildings, an automatic fire alarm system is generally arranged, and consists of a trigger device, a fire alarm device, a linkage output device and other auxiliary functional devices, and has the advantages that the automatic fire alarm system can generate physical quantities such as smoke, heat, flame and the like during the initial stage of a fire, the fire detector is changed into an electric signal, the electric signal is transmitted to the fire alarm controller, the evacuation of the whole floor is informed in the form of sound or light, the controller records the position, the time and the like of the fire, so that people can find the fire in time, effective measures are taken in time to extinguish the initial fire, the loss of life and property caused by the fire is reduced to the maximum extent, and the fire extinguishing agent is a powerful tool for people to fight against the fire.

In order to improve the survival rate of the masses in a fire and the knowledge storage of self escape, the functions of an automatic fire alarm system and the basic knowledge of fire-fighting measures need to be explained to the masses, but in the prior art, the basic knowledge of the fire-fighting measures is generally learned by adopting a book teaching or video demonstration mode, the learning of the two modes is not intuitive enough, the teaching effect is not good, learners do not have practical experience after learning, and the learners easily forget the learned fire-fighting knowledge. Moreover, the fire prevention principle is not known enough by non-fire professionals, which is a factor that learners easily forget. The normal use of the building can be influenced by the practice on the real site, the fire-fighting facilities cannot be started at will, the fire-fighting facilities in the real building are various and are scattered in each area, and the actions of all the equipment of the fire-fighting facilities in the automatic fire-fighting alarm system cannot be displayed globally in the site teaching, so that the training and teaching effects of fire-fighting departments and related units on the fire-fighting knowledge of the building are greatly influenced, and the current requirement for cultivating fire-fighting skills by people cannot be met.

Disclosure of Invention

The invention aims to solve the problems that the knowledge teaching of fire fighting facilities is not intuitive enough, the teaching effect is not good, the practical experience is lacking, and all functions of an automatic fire alarm system cannot be displayed globally in the prior art, and provides an automatic fire alarm demonstration system which is intuitive in the knowledge teaching of fire fighting facilities, good in the teaching effect, capable of improving the practical experience of the masses and displaying all functions of the automatic fire alarm system globally and a working method thereof.

The technical scheme adopted by the invention is as follows:

an automatic fire alarm demonstration system comprises an upper computer unit and an automatic fire alarm demonstration unit, wherein the upper computer unit is in communication connection with the automatic fire alarm demonstration unit;

the upper computer unit is used for providing a working mode selection function and sending a corresponding demonstration working signal to the automatic fire alarm demonstration unit according to the working mode selected by the user;

and the fire automatic alarm demonstration unit is used for receiving the demonstration work signal sent by the upper computer unit, generating a corresponding demonstration scheme and carrying out corresponding demonstration work according to the demonstration scheme.

Furthermore, the upper computer unit comprises a main control module, a communication module, a touch display screen and a buzzer, wherein the main control module is respectively in communication connection with the communication module, the touch display screen and the buzzer, and the communication module is in communication connection with the automatic fire alarm demonstration unit.

Furthermore, the automatic fire alarm demonstration unit comprises a fire alarm controller and an automatic fire alarm demonstration device set, the automatic fire alarm demonstration device set comprises a plurality of automatic fire alarm demonstration devices, and the fire alarm controller is respectively in communication connection with the upper computer unit and the automatic fire alarm demonstration devices.

Further, the fire automatic alarm demonstration device group comprises a trigger device group, a fire alarm device group, a linkage output device and other device groups, and each device in the trigger device group, the fire alarm device group, the linkage output device and other device groups is in communication connection with the fire alarm controller.

Furthermore, the automatic fire alarm demonstration device in the trigger device group comprises a smoke detector, a temperature detector and a manual alarm button;

the fire automatic alarm demonstration devices in the fire alarm device groups comprise fire-fighting broadcasters, fire alarms and audible and visual alarms;

the automatic fire alarm demonstration device in the linkage output device group comprises a fire-fighting extension telephone, an input/output module, an open type spray head, a smoke exhaust fan, a system illuminating lamp and an emergency illuminating lamp;

the automatic fire alarm demonstration device in other device groups comprises a road sign, a fire hydrant, a smoke generator, a simulation elevator, a simulation rolling door and an LED lamp strip.

A working method of a fire automatic alarm demonstration system is based on the fire automatic alarm demonstration system, the fire automatic alarm demonstration system comprises an upper computer unit and a fire automatic alarm demonstration unit, and the working method comprises the following steps:

the upper computer unit receives a working mode signal selected by a user and sends a corresponding demonstration working signal to the automatic fire alarm demonstration unit according to the working mode signal;

a fire alarm controller of the fire automatic alarm demonstration unit generates a corresponding demonstration scheme according to the received demonstration working signal;

and the corresponding automatic fire alarm demonstration device performs automatic fire alarm demonstration according to the demonstration scheme.

Further, the working modes of the automatic fire alarm demonstration system comprise a video linkage demonstration mode and a manual linkage demonstration mode.

Further, based on a video linkage demonstration mode, the automatic fire alarm demonstration unit generates a video linkage demonstration scheme, and the video linkage demonstration scheme is realized based on linkage between the upper computer unit and the fire alarm controller and linkage between the fire alarm controller and each automatic fire alarm demonstration device;

based on the manual linkage demonstration mode, the automatic fire alarm demonstration unit generates a manual linkage demonstration scheme, and the manual linkage demonstration scheme is realized based on linkage between a user and the fire alarm controller and linkage between the fire alarm controller and each automatic fire alarm demonstration device.

Further, the video linkage demonstration scheme comprises: the fire alarm controller introduces programs, smoke detector demonstration programs, temperature detector demonstration programs, manual alarm button demonstration programs, input and output module demonstration programs, audible and visual alarm demonstration programs, open type spray head demonstration programs, fire fighting broadcaster demonstration programs, escape demonstration programs, fire hydrant demonstration programs, smoke exhaust fan demonstration programs, lighting lamp switching demonstration programs and rolling door simulation demonstration programs.

Further, the manual linkage demonstration scheme comprises the following steps:

the smoke generator generates smoke for the first time;

if the smoke detector detects smoke at present, the mode of the illuminating lamp is switched, and the fire alarm continuously works;

if other smoke detectors detect smoke or a manual alarm button receives a manual alarm signal, the fire-fighting broadcaster plays an escape broadcast, the elevator is simulated to descend to the bottommost layer, the audible and visual alarm starts to work, and the smoke exhaust fan starts to work;

the smoke generator generates smoke for the second time and simulates half-descending of the roller shutter door;

the smoke generator generates smoke for the third time, the full falling of the roller shutter door is simulated, and the open type spray head starts to work;

and if a reset signal is received or a demonstration termination period is reached, all power supplies are turned off.

The invention has the beneficial effects that:

1) the invention provides a fire automatic alarm demonstration system, which is highly integrated, adopts a mode of a simulation device, reduces the hardware cost investment, is simple to operate, avoids the problems that the normal use of a building is influenced by real site drilling and fire fighting facilities cannot be started randomly, simulates all equipment of the fire automatic alarm system, and can display all functions of the fire automatic alarm system globally;

2) the invention provides a working method of an automatic fire alarm demonstration system, which adopts the working modes of video linkage demonstration and manual linkage demonstration to explain fire-fighting facilities, has intuitive teaching and good teaching effect, provides the function of manual linkage of a user and the system, and improves the practical experience of the masses.

Other advantageous effects of the present invention will be further described in the detailed description.

Drawings

Fig. 1 is a block diagram showing the construction of an automatic fire alarm system according to the present invention.

Fig. 2 is a block diagram showing the flow of the operation method of the automatic fire alarm demonstration system according to the present invention.

Detailed Description

The invention is further explained below with reference to the drawings and the specific embodiments.

Example 1:

as shown in fig. 1, the present embodiment provides a fire automatic alarm demonstration system, which includes an upper computer unit and a fire automatic alarm demonstration unit, wherein the upper computer unit is in communication connection with the fire automatic alarm demonstration unit;

the upper computer unit is used for providing a working mode selection function and sending a corresponding demonstration working signal to the automatic fire alarm demonstration unit according to the working mode selected by the user;

and the fire automatic alarm demonstration unit is used for receiving the demonstration work signal sent by the upper computer unit, generating a corresponding demonstration scheme and carrying out corresponding demonstration work according to the demonstration scheme.

The invention provides an automatic fire alarm demonstration system, which is highly integrated, adopts a mode of a simulation device, reduces the hardware cost investment, is simple to operate, avoids the problems that the normal use of a building is influenced by real site drilling and fire fighting facilities cannot be started at will, simulates all equipment of the automatic fire alarm system, and can display all functions of the automatic fire alarm system globally.

Preferably, the upper computer unit comprises a main control module, a communication module, a touch display screen and a buzzer, wherein the main control module is respectively in communication connection with the communication module, the touch display screen and the buzzer, and the communication module is in communication connection with the automatic fire alarm demonstration unit;

the touch display screen is used for man-machine interaction with a user, and comprises receiving working mode information selected by the user and playing a video; the buzzer is used for playing audio to a user; the main control module is used for processing the received working mode information selected by the user to obtain a demonstration working signal; the communication module is used for transmitting the demonstration working signal to the automatic fire alarm demonstration unit.

Preferably, the automatic fire alarm demonstration unit comprises a fire alarm controller and an automatic fire alarm demonstration device group, the automatic fire alarm demonstration device group comprises a plurality of automatic fire alarm demonstration devices, and the fire alarm controller is respectively in communication connection with the upper computer unit and the automatic fire alarm demonstration devices;

the fire alarm controller is used for receiving a demonstration scheme transmitted by the upper computer unit, analyzing and processing the demonstration scheme to generate an electric signal, controlling the corresponding fire automatic alarm demonstration device to start working under the assistance of the clock module, generating a linkage demonstration effect, improving the intuition of teaching and the final teaching effect, and facilitating the realization and demonstration of all functions of the fire automatic alarm system due to different types of the fire automatic alarm demonstration devices.

Preferably, the fire automatic alarm demonstration device group comprises a trigger device group, a fire alarm device group, a linkage output device and other device groups, and each device in the trigger device group, the fire alarm device group, the linkage output device and other device groups is in communication connection with the fire alarm controller;

the automatic fire alarm demonstration devices in the trigger device groups are all simulated trigger devices, and are selected and designed according to specific use scenes, and the original devices are selected to be installed under the demonstration scenes, so that physical quantities such as smoke, heat, flame and the like generated by combustion in a fire are changed into electric signals through the fire detectors, and the electric signals are transmitted to the fire alarm controller;

the smoke detector is used for collecting smoke information in the environment, the temperature detector is used for collecting temperature information in the environment, the composite fire detector and the gas fire detector are used as optional additional devices in the embodiment when smoke exists in the environment, the detection sensitivity to fire is improved, the manual alarm button is used for receiving a manual trigger signal of a user and is linked with the user, and practical experience is improved;

the automatic fire alarm demonstration devices in the fire alarm device groups are all alarm devices and are used for sending alarm signals to remind people of fire and escape, the automatic fire alarm demonstration devices are selected and designed according to specific use scenes of the automatic fire alarm demonstration devices and are installed under the demonstration scenes, and the automatic fire alarm demonstration devices in the fire alarm device groups comprise fire-fighting broadcasters, fire alarms and audible and visual alarms;

the fire-fighting broadcaster is used for broadcasting prestored voice files and prompting all people to escape as soon as possible when a fire disaster occurs, the fire alarm is a main alarm and continuously works while a fire alarm signal is sent out, and the audible and visual alarm is used for sending out light and sound signals and sending out alarm prompt more strongly;

the automatic fire alarm demonstration devices in the linkage output device groups are all signal output devices and execution components and are used for manually or automatically starting corresponding fire-fighting facilities according to alarm signals sent by the trigger devices, selection and design are carried out according to specific use scenes of the fire-fighting facilities, a simplification device is adopted in the demonstration scenes, the arrangement space is saved, and the hardware cost investment is reduced, and the automatic fire alarm demonstration devices in the linkage output device groups comprise fire-fighting telephone extensions, input and output modules, open type spray heads, smoke exhaust fans, system illuminating lamps and emergency illuminating lamps;

the input and output module is used for carrying out signal transmission with a fire hydrant, a fire pump or other devices, the open type spray head is used for fire-fighting water-spraying fire-extinguishing demonstration, the demonstration system adopts a system illuminating lamp to carry out illumination under normal conditions, the system illuminating lamp is switched into an emergency illuminating lamp and is turned off under the condition of fire alarm, and the light conversion work is demonstrated;

the automatic fire alarm demonstration devices in other device groups are auxiliary demonstration devices, are selected and designed according to specific use scenes of the auxiliary demonstration devices, adopt simulation devices under the demonstration scenes, save arrangement space and reduce hardware cost investment, and comprise road indication boards, fire hydrants, smoke generators, simulation elevators, simulation rolling doors and LED lamp belts;

the smoke generator is used for generating smoke and performing demonstration work, the simulation elevator and the simulation rolling door are provided with motors, the control end of each motor is connected with the fire alarm controller, a plurality of LED lamp belts are arranged in the embodiment, each LED lamp belt is arranged between the fire alarm controller and the corresponding automatic fire alarm demonstration device in a one-to-one correspondence mode, the LED lamp belts are used for displaying the signal flow direction between the fire alarm controller and each automatic fire alarm demonstration device, and the teaching demonstration work is performed according to the clear and visual mode.

The system is a teaching product, and mainly aims to fully know the importance and all functions of the automatic fire alarm system by actually simulating the alarm prompt and fire extinguishing functions of the automatic fire alarm system in a fire scene and introducing the linkage between a fire alarm controller and each automatic fire alarm demonstration device through videos, so that basic fire-fighting knowledge teaching tasks such as protecting fire-fighting facilities, randomly alarming, avoiding generating smoke in places with smoke alarms and the like are achieved, and panic caused by false alarm of the system is avoided.

Example 2:

as shown in fig. 2, this embodiment provides a working method of a fire automatic alarm demonstration system based on embodiment 1, and in this embodiment, a video linkage demonstration method for selecting a video linkage demonstration mode for a user is provided, based on the fire automatic alarm demonstration system, the fire automatic alarm demonstration system includes an upper computer unit and a fire automatic alarm demonstration unit, and the video linkage demonstration method includes the following steps:

the upper computer unit receives a video linkage demonstration mode signal selected by a user and sends a video linkage demonstration working signal to the automatic fire alarm demonstration unit according to the video linkage demonstration mode signal;

a fire alarm controller of the automatic fire alarm demonstration unit generates a video linkage demonstration scheme according to the received video linkage demonstration working signal;

and the corresponding automatic fire alarm demonstration device performs automatic fire alarm demonstration according to the video linkage demonstration scheme.

Preferably, based on the video linkage demonstration mode, the automatic fire alarm demonstration unit generates a video linkage demonstration scheme, and the video linkage demonstration scheme is realized based on linkage between the upper computer unit and the fire alarm controller and linkage between the fire alarm controller and each automatic fire alarm demonstration device.

Preferably, the video linkage demonstration scheme comprises: the fire alarm controller introduces programs, smoke detector demonstration programs, temperature detector demonstration programs, manual alarm button demonstration programs, input and output module demonstration programs, audible and visual alarm demonstration programs, open type spray head demonstration programs, fire fighting broadcaster demonstration programs, escape demonstration programs, fire hydrant demonstration programs, smoke exhaust fan demonstration programs, lighting lamp switching demonstration programs and rolling door simulation demonstration programs;

before the fire alarm controller introduces a program, the power supply of the smoke detector is turned off to prevent the smoke detector from giving false alarm due to smoke emitted by a smoke generator;

the fire alarm controller introduces programs, the upper computer unit plays function and action introduction videos of the fire alarm controller, and lights up LED lamp belts between the fire alarm controller and each automatic fire alarm demonstration device to show signal flow direction in the form of horse race lamps;

playing corresponding demonstration videos for other programs, simultaneously controlling corresponding devices to perform work demonstration, lightening an LED lamp belt between the fire alarm controller and the corresponding automatic fire alarm demonstration device, and displaying the signal flow direction in the form of a horse race lamp;

the invention provides a video linkage demonstration method of an automatic fire alarm demonstration system, which adopts a working mode of video linkage demonstration to explain fire-fighting facilities, and has intuitive teaching and good teaching effect.

Example 3:

as shown in fig. 2, this embodiment provides a working method of a fire automatic alarm demonstration system based on embodiment 1, and in this embodiment, a manual linkage demonstration method for a user to select a manual linkage demonstration mode is provided, based on the fire automatic alarm demonstration system, the fire automatic alarm demonstration system includes an upper computer unit and a fire automatic alarm demonstration unit, and the manual linkage demonstration method includes the following steps:

the upper computer unit receives a manual linkage demonstration mode signal selected by a user and sends a manual linkage demonstration working signal to the automatic fire alarm demonstration unit according to the manual linkage demonstration mode signal;

a fire alarm controller of the automatic fire alarm demonstration unit generates a manual linkage demonstration scheme according to the received manual linkage demonstration working signal;

and the corresponding automatic fire alarm demonstration device performs automatic fire alarm demonstration according to a manual linkage demonstration scheme.

Preferably, the automatic fire alarm demonstration unit generates a manual linkage demonstration scheme based on a manual linkage demonstration mode, and the manual linkage demonstration scheme is realized based on linkage between the user and the fire alarm controller and linkage between the fire alarm controller and each automatic fire alarm demonstration device.

Preferably, the manual linkage demonstration work comprises the following steps:

the smoke generator generates smoke for the first time;

if the smoke detector detects smoke, the lighting lamp mode is switched, the system lighting lamp is turned off, the emergency lighting lamp is turned on, and the fire alarm continuously works;

if other smoke detectors detect smoke or a manual alarm button receives a manual alarm signal, the fire-fighting broadcaster plays an escape broadcast, the elevator is simulated to descend to the bottommost layer, the audible and visual alarm starts to work, the smoke exhaust fan starts to work, and the working effect of the smoke exhaust fan is displayed;

the smoke generator generates smoke for the second time, the half-falling of the roller shutter door is simulated, and the working effect of the smoke exhaust fan is displayed;

the smoke generator generates smoke for the third time, the full falling of the roller shutter door is simulated, the smoke isolating working effect of the roller shutter door is displayed, and the open type spray head starts to work;

and if a reset signal is received or a demonstration termination period is reached, all power supplies are turned off.

The invention provides a manual linkage demonstration method of an automatic fire alarm demonstration system, which adopts a working mode of manual linkage demonstration to explain fire-fighting facilities, is intuitive in teaching and good in teaching effect, provides a function of manual linkage of a user and the system, and improves the practical experience of the masses.

The present invention is not limited to the above-described alternative embodiments, and various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the claims, and which the description is intended to be interpreted accordingly.