【 Weak current College 】 high-rise fire auto-alarm system debugging techniques

Description: in response to the current construction units in automatic fire alarm system debugging phase concept is not clear, minor and not to a Shanghai building use of Songjiang JB/QG-1501 fire auto-alarm controller, HJ1800 linkage controller, for example, describes the high level of automatic fire alarm system debugging techniques.
Keywords: fire auto-alarm fire debug 1 project overview
A Shanghai buildings, 2 floors, floor 28-storey building, with a total height of the building has a total area of 108.3m 3.16 million m2, is the collection of financial, business, entertainment and leisure as one of the modern multifunctional integrated buildings. Its scope of fire works mainly in the automatic fire alarm, sprinkler, fire hydrant, fire shutter, smoke control, emergency lighting, evacuation instructions, requirements for fire alarm equipment not refusing to report, without false positives while requirements related fire shutter, smoke, fire and other interactive devices, timely, accurate movements.
The fire alarm system uses the Songjiang fire equipment factory production of JB/QG-1501 fire auto-alarm controller and HJ1800 linkage controller and related ancillary equipment.
2 system function introduction
2.1 fire alarm Center
When the fire Centre of JB/QG-1501 alarm controller received a detector or alarm button when the alarm signal, in determining for the fire signals by HJ1800 fire linkage controller to alarm device where the floors and the related issue of o-layer, so that the alarm signal alarm, fire radio connected, timely open exhaust valves and air supply valve to close the air supply equipment, lowered fire shutter, complete the normal power supply and fire emergency power switch and the layer display disc shows to conflagration acousto-optic alarm.
2.2 starting spraying pump if a layer spray head over burst, sprinkler, water flow indicator Action Center to the fire alarm, sprinkler pump start starting.
2.3 starting fire pump when a fire alarm button, fire Centre received alarm signal, starting a fire pump.
3 Debugging preparation work
3.1 materials, instruments, tools for preparing and testing personnel organization ready to debug the required construction drawings, materials, instruments and tools, and arranged for debugging, clear, clear division of responsibility.
3.2 debugging full inspection before
(1) according to design drawings and related specifications of cabling requirements, check the system for each circuit, fault lines, open circuit, short circuit of welding and deficiency, and so on to be processed in a timely manner, the attention to detect various conductors.
(2) in accordance with address coding all or debugging of probes into the cradle.
(3) check all manual alarm button, fire hydrant button, alarm and loudspeaker installation wiring meets the requirements for damage and loss.
(4) inspection of the installed wiring relays position is in line with the product specifications and drawings.
(5) check all flow meter installation conforms to the design drawings and specifications, the flow direction is correct.
(6) to check each circuit short-circuit isolators are all loaded, its resistance value is within the allowable deviation.
(7) checks whether the fire power, the power supply conforms to the requirements of the stability, the voltage is reached, the main power and standby power is the ability to automatically switch.
4 system debugger and method
4.1 system debugger diagrams (sketch)
4.2 alarm system stand-alone debug
4.2.1 fire Talkback on Qualcomm opened fire Talkback host, CGI discussion on call. Opened fire on the phone, the Centre for regional and fire alarm during debugging can be contacted at any time, in a direct dialogue.
4.2.2 alert line fault detection by open fire auto-alarm control panel on each loop automated test switch, this system each loop detectors, a Repeater fire self-test, self test results and data through a built-in printer output. Failure of detectors, repeaters address number will also appear on an individual basis on the Control Panel, and beep. Debugging staff may check on the circuit, detectors or failure of the relays and processed in a timely fashion, until all is in a normal working condition.
4.2.3 detector alarm test on smoke detector with blowing smoke blowing smoke test manager, temperature detector with flamethrowers Burns its thermal components so that the indicator light on the detector, the observation of fire centre its corresponding control panel is received in advance warning signal and fire alarm signal.
4.2.4 Manual alarm button function test on manual alarm button insert telephone intercom, test its linkages with the Center, and then test the key into the alarm press the alarm button, observe their corresponding Control Panel has received the alarm signal to confirm that it works properly, let the alarm button to reset.
4.2.5 fire alarm button alarm function test fire hydrant button with test key on its alarm switch on the control panel is attached, the alarm signal.
4.2.6 flow indicator and alarm function test by opening the spray tube of water valve on the water, look at the flow indicator is action, control panel can received the alarm signal, whether hydraulic alarm. 4.2.7 floor display tray display function test fire by control panel input analog signal, check show up on each floor display function and can emit sound and light alarm signal.
4.2.8 fire alarm controller functionality check on fire alarm controller functions for inspection and tests: fire alarm self-inspection function; alarm and second alarm function; fault alarm and fire alarm priority function; display function (various monitors, display lights); memory; switch function (various control and silencers, reset switch), probe shielding; power fromDynamic switching and standby power supply automatic charging function; power of undervoltage and overvoltage alarm function.
4.3 linkage control system test single action
Opening linkage console, check the current situation is normal, and then follow these steps:
(1) each floor lighting and engine power down and fire emergency lighting and evacuation instructions the power is switched on, the test console on all floors of the linkage between lighting and electric control box makes cut off power supply and signal the emergency power source is switched on, see if you can cut off the main power supply and power layer emergency power supply, there is no signal returns observed fire Centre.
(2) air valve, exhaust valve single action tests via the console them air valve and exhaust valve action or situation, and observation have no signal back to the console.
(3) fire emergency broadcast test opened fire radio, fire-by-layer on the pass, and the fire radio broadcasting switch signal sent to the various layers of fire radio switch (Repeater), check whether the correct and reliable switching; then open the background music of testing the switching action.
(4) fire shutter on operation on all fire curtain falls gate test one by one, use shutter on either side of the start switch is off the brake and lift gate action, and then let the smoke and temperature sensor alarm, observation and early drop-curtain panels and complex down properly, the Control Panel has not received the curtain plate movements signal and display fire signal.
(5) fire lift back to the drop test in the first layer by linkage console signal whether the observation of fire back to the elevator down to the first floor and there is no signal to return to the console.
(6) compression and exhaust fan stand-alone action test signals from the console, observation of their actions is correct, there is no signal returns fire Centre.
(7) pumps to start testing through linkage console pump startup switches, let the fire pump, spray pumps and water pumps (use and backup) to start and operate a variety of signal is observed correctly returns fire Centre.
(8) gas fire extinguishing installations running on all gas fire extinguishing installations to debug one by one. First press the alarm button, observe the alarm, buzzer and Flash are all normal moves, whether electric pneumatic valve, fire Centre is receiving a signal, and then use the fire detectors, alarm response tests on the fire Centre is received the alarm signal (note prior to confirmed closed good gas).
4.4 alarm and coordinated control system capabilities of debugging is switched on, start the main power, fire Centre all devices, the use of an analog signal (such as smoke detectors blowing smoke, temperature detector Burns) or manual installation (such as pressure alarm button, spray valve on the water) on the entire system of alarm and linkage control functions for debugging.
4.4.1 detector alarm and linkage function test according to address number for smoke detector blowing smoke, temperature detector Burns, simulation with fire. Relevant personnel in the observation of the tested detector where the floors and the adjacent layer alarm is ringing alarm, fire broadcasting has been connected, exhaust valve is turned on, the air supply valve are actions that fresh air is all off, fire shutter is falling gates, to minimize fire elevator is the first layer, the detector where the floors display disc is sound and light alarm, and displays a specific test probes, fire Centre received feedback about a device action.
4.4.2 Manual alarm button and linkage function test on manual alarm button is used to test keys pressed button, make it to the fire alarm, its situation centre should ibid.
4.4.3 fire hydrant button alarm and linkage function test press fire hydrant alarm button, its alarm case ibid., at the same time start the fire pump work, check whether the fire Centre received a feedback signal.
4.4.4 automatic sprinkler system function debugging CGI open shower drain valve so that the layer of water flow indicator action, its situation is described, but Ditto starts a spray pump instead of fire pump.
4.5 using standby power supply, repeat the above function in debugging.