fire alarm linkage smoke exhaust
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The alarm linkage control of smoke control system refers to the alarm linkage control of mechanical smoke control system. According to the different parts of the setting, the mechanical pressurized air supply system can be divided into the mechanical pressurized air supply system in the stairwell and front room, the mechanical pressurized air supply system in the refuge layer and the mechanical pressurized air supply system in the refuge aisle. Mechanical pressurized air supply system in the stairwell and front room: Linkage control should be divided according to fire protection zones, including automatic, manual, chain start and other control methods.
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gas fire extinguish system
The gas fire extinguishing control system mainly consists of gas fire extinguishing controller, fire detector, manual automatic switch, emergency start and stop button, sound and light alarm, gas spraying indicator light and so on.
The fire detector generally adopts smoke fire detector and temperature fire detector. In special cases, manual alarm buttons or other types of fire detectors can also be used.
Gas fire extinguishing controller linkage control gas fire extinguishing equipment, linkage control fan, air valve, fire valve, ventilation and air conditioning, automatic doors and windows and other equipment, and receive feedback signals.
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Gas fire extinguishing control system is mainly composed of gas fire extinguishing controller, fire detectors, manual /automatic switch, emergency start/stop button, sound/light alarm, gas spraying indicator light, etc.
Among them, Generally, smoke detectors and heat detectors are used as fire detectors.
Manual alarm button or other types of fire detectors can also be used in special cases.
Gas extinguishing controller linkage control gas fire extinguishing equipment, linkage control fan, Air valve fire valve, Ventilation and air conditioning, Automatic doors and Windows and other equipment. And receive feedback signals.
gas fire extinguishing control system
The gas fire extinguishing control system mainly consists of gas fire extinguishing controller, fire detector, manual automatic switch, emergency start and stop button, sound and light alarm, gas spraying indicator light and so on.
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linkage of gas fire extinguishing system with fire alarm
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Automatic fire alarm system includes fire early warning system, fire detection alarm and linkage control system.
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The gas fire extinguishing control system mainly consists of gas fire extinguishing controller, fire detector, manual automatic switch, emergency start and stop button, sound and light alarm, gas spraying indicator light and so on.
The fire detector generally adopts smoke fire detector and temperature fire detector. In special cases, manual alarm buttons or other types of fire detectors can also be used.
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Gas fire extinguishing control system is mainly composed of gas fire extinguishing controller, fire detectors, manual /automatic switch, emergency start/stop button, sound/light alarm, gas spraying indicator light, etc.
Among them, Generally, smoke detectors and heat detectors are used as fire detectors.
Manual alarm button or other types of fire detectors can also be used in special cases.
Gas extinguishing controller linkage control gas fire extinguishing equipment, linkage control fan, Air valve fire valve, Ventilation and air conditioning, Automatic doors and Windows and other equipment. And receive feedback signals.
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The gas fire extinguishing control system mainly consists of gas fire extinguishing controller, fire detector, manual automatic switch, emergency start and stop button, sound and light alarm, gas spraying indicator light and so on.
The fire detector generally adopts smoke fire detector and temperature fire detector. In special cases, manual alarm buttons or other types of fire detectors can also be used.
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Pneumatic system
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independent electric fire detection system
The independent electric fire monitoring detector has the function of monitoring and alarm, the detector sends out sound and light alarm signal when alarm, and displays the alarm value, which can be used independently.
When there is no fire control room and the number of electrical fire monitoring detectors is not more than 8, independent electrical fire monitoring detectors can be used.
Each signal processing unit of the independent electrical fire monitoring detector can equip up to 4 sensors.
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linkage fire alarm system parts
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addressable fire alarm system loop
Most fire alarm systems adopt two bus system.
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addressable fire alarm system bus loop
There are two main types of bus systems - tree bus and ring bus. Tree bus has a unidirectional loop that means equipment behind a fault cannot operate, while ring bus forms a closed loop so a single fault does not affect the whole system. Both require bus isolators to isolate faults without disrupting other equipment. The total number of devices protected by each isolator should not exceed 32. Isolators automatically reintegrate isolated sections once faults are repaired.
fire alarm system types
The design of the regional fire alarm system shall comply with the following requirements:
1. The system shall consist of fire detector, manual fire alarm button, fire audible and visual alarm and fire alarm controller.
2. The system may include a graphic display device in the fire control room and an fire alarm displayer to indicate the fire floor.
3. The fire control room can not be set up for the regional fire alarm system, but the fire alarm controller should be set up in the place with people on duty.
4. When the system is equipped with the graphic display device in the fire control room, the graphic display device performs the functions of remote information transmission and remote query.
5. If no graphic display device is set in the system, fire alarm transmission device should be set. Similar functions are performed by fire alarm transmission equipment.
fire alarm system fire graphic display device
According to the specification requirements, the centralized alarm system and the control center alarm system need to be equipped with graphic display device (CRT system).
The graphic display device is installed in the fire control center, which is used to simulate the building plane layout of the fire trigger device and linkage device on site, and can truthfully reflect the fire, linkage condition and fault situation on site.
The graphic display device can display the general layout of the building, the building plan of each protected object, the system diagram, and the names and evacuation routes of each protected object and the main parts.
And can display automatic fire alarm and linkage control system and its control of all kinds of fire fighting equipment name, physical location and dynamic information of each fire fighting equipment.
division of fire alarm areas
Alarm area is a unit that divides the warning range of automatic fire alarm system according to fire zone or floor. An alarm area includes a plurality of detection areas.
The purpose of dividing the alarm area is to determine the location of the alarm and fire. At the same time, it is convenient to solve the problem of fire control system linkage design.
The alarm area should be divided according to the fire zone or floor. You can also divide several adjacent fire zones or floors that need to be simultaneously linked with fire fighting equipment into an alarm area in case of fire.
addressable fire alarm bus short circuit isolator
Bus short circuit isolator is simply called bus isolator.
It is necessary to install bus short circuit isolator in bus automatic fire alarm system. When a bus fails, the bus isolator automatically separates the faulty bus part from the whole system to ensure the normal operation of the rest of the system.
At the same time, the fire alarm controller indicates the part number of the isolated parts, which is convenient for maintenance.
When the fault is rectified, the bus isolator automatically reintegrates the isolated part into the system.
fire manual call and hydrant button
Manual fire alarm button is a manual fire alarm device.
After the alarm button is pressed, the alarm signal is sent to the fire alarm controller through the bus loop.
The controller displays the position, code and annotation information of the alarm button, and sends out sound and light alarm signal.
The alarm button should be set with a red start confirmation light. After pressing the alarm button, the start confirmation light should be lit and kept until the alarm state is reset.
addressable fire alarm system input module
The input module, also known as the monitoring module, is used to receive the action signal of the monitored device and can be connected to the monitored device with normally open or normally closed signal output.
The input module adds an address code to the action signal of the monitored device, and transmits it to the fire alarm controller through the signal bus to issue an alarm signal or linkage trigger signal.
The input module can be equipped with all kinds of equipment that need feedback signals on the site, such as water flow indicator, pressure switch, signal valve control cabinet, and all kinds of external linkage equipment that can provide switch signals.
carbon monoxide detection system
According to the code, carbon monoxide detectors should be installed in places where carbon monoxide leakage is possible.
For the choice of carbon monoxide detector, you may have the following questions:
Carbon monoxide is both a combustible gas and a toxic gas，should I choose a carbon monoxide detector or a combustible gas detector?
More details can be found at https://www.vedardsecurity.com
Residual current electrical fire detector
Residual current electrical fire detector is used to monitor the change of residual current value in the protected line.
When the residual current in the protected electrical line exceeds the alarm set value, it can send alarm and control signals.
It is generally composed of residual current sensor and signal processing unit.
Read more instruction of fire alarm systems from Vedard Security Alarm Technology at https://www.vedardsecurity.com
Linear infrared beam smoke detector
Relative to the point type smoke detector, Linear light beam smoke detector is suitable for large Spaces without shelter Or a room with special requirements.
Linear beam smoke detectors usually include a transmitter and a receiver.
An infrared detection optical path is formed between the transmitter and the receiver.
When the smoke rises the beam is blocked and the beam received by the receiver is weakened.
When the reduction rate reaches the preset value, The detector will send out a fire alarm signal.
Vedard Security alarm technology company is specialized in burglar and alarm system suppy with free technical support with forum support at https://www.vedard.com/forum
Security service equipment integrated CCTV and burglar fire alarm
How to build up security service center easy？With the integrated security equipment, the security monitoring center with more than 10000 users can be built up and managed easy. There is free CMS for security management and security monitoring. From the windows browser, the system can be accesed to remote configure or monitoring. There are local network management PC software to manage local security service systems and internet network PC software to manage all security systems. The secucirty manager can assign the authority and device to identified users.
FC-7664PRO alarm panel professional security system
Professional security system with free CMS. FC-7664pro commercial security burglar and fire alarm control panel with wired wireless zones. It works with motion sensor, smoke detector, emergency button, manual call point, siren strobe.
The alarm center has Programmable output port to link with NVR, electric door and it can connect programmable relay module to enable or disable more equipment.
MC-800DMT intrusion detector manual
MC-800DMT is professional false alarm free motion sensor for home security. It adopts advanced intelligent analysis technology with high reliable and accurate features.
Motion sensor is used to detect illegal intrusion. It should be installed in living room, bed rooms, or balcony.
It is infrared detector with interference resistance feature. It sends alarm to alarm center and can link with security camera to send photo of spot.
Vedard Security is professional supplier of fire and burglar alarm systems with free technical support at https://www.vedard.com/forum
PB-503R Wireless alarm keypad
Wireless alarm keypad is part of home or business security system. It is used to configure and monitor the alarm system.
It works with Focus professional meian tech security alarm control panel such as HA-VGT, FC-7664pro. It can inquiry the system status and receive alarm information.
Shop professional burglar and fire alarm systems at https://vedardalarm.com
Fire Alarm input module
The input module, also known as the monitoring module, is used to receive the action signal of the monitored device and can be connected to the monitored device with normally open or normally closed signal output.
The input module adds an address code to the action signal of the monitored device, and transmits it to the fire alarm controller through the signal bus to issue an alarm signal or linkage trigger signal.
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wireless fire alarm installation and debugging procedures.pdf
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本公司拥有海外各大学样板无数，能完美还原。
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An improved modulation technique suitable for a three level flying capacitor ...
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fire alarm linkage smoke exhaust
- 1. The alarm linkage control of smoke control system refers to the alarm linkage control of mechanical smoke control system. According to the different parts of the setting, the mechanical pressurized air supply system can be divided into the mechanical pressurized air supply system in the stairwell and front room, the mechanical pressurized air supply system in the refuge layer and the mechanical pressurized air supply system in the refuge aisle. Mechanical pressurized air supply system in the stairwell and front room: Linkage control should be divided according to fire protection zones, including automatic, manual, chain start and other control methods. In the automatic control mode, two independent fire detectors in the same fire zone alarm, or a fire detector and a manual alarm button alarm, should be linked to open the normally closed pressurized air outlet and the pressurized fan within 15 seconds. And shall comply with the following provisions: First, all the pressurized fan in the stairwell of the fire zone should be opened. second, The normally closed air supply outlet of the fire layer and its adjacent upper and lower front rooms and shared front rooms in the fire prevention zone should be opened. And turn on the pressurized air blower at the same time. The pressurized air outlet should be manually controlled on the fire linkage controller in the fire control room. Manual control of mechanical pressurized air supply system. It should be possible to manually control the opening of the air outlet and the start or stop of the pressurized air blower and other equipment on the fire linkage controller in the fire control room. The start and stop buttons of the pressurized air supply fan should be directly connected to the manual control panel set in the fire control room using a special line, and the start and stop of the smoke control fan should be directly manually controlled. There may be more than one pressurized air outlet in the same fire zone. You can set the partition control on the linkage controller and start all the pressurized air outlet in the same fire zone with one key. The normally closed pressurized air outlet and pressurized fan should be equipped with on-site manual startup function. Interlocking start is a direct multi-line start method, which should not be affected by the fault factors of the automatic fire alarm system.
- 2. When any normally closed pressurized air outlet in the system is opened, the pressurized fan should be able to start automatically, and the interlocking pressurized fan should be opened. The action signals of the opening and closing of the air inlet and the starting and stopping of the pressurized air blower should be fed back to the fire linkage controller. The mechanical pressurized air supply system shall be equipped with pressure measuring devices and air pressure regulation measures. The refuge floor and the refuge walkway have the same mechanical pressurized air supply system as the stairwells and front rooms mentioned above. However, the linkage zones under automatic control are different. In the automatic control mode, two independent fire detectors in the refuge floor or the floor served by the refuge floor in the same area, or a fire detector and a manual alarm button alarm, should be linked to open the normally closed pressurized air outlet and pressurized fan of the refuge floor within 15 seconds. In the automatic control mode, the refuge walkway or the refuge walkway connected to the fire zone, two independent fire detector alarm or a fire detector and a manual alarm button alarm, should be in 15 seconds linkage open refuge walkway normally closed pressure air outlet and pressure fan.