CN105381563A - Building fire extinguishing system - Google Patents
Building fire extinguishing system Download PDFInfo
- Publication number
- CN105381563A CN105381563A CN201510895664.3A CN201510895664A CN105381563A CN 105381563 A CN105381563 A CN 105381563A CN 201510895664 A CN201510895664 A CN 201510895664A CN 105381563 A CN105381563 A CN 105381563A
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- Prior art keywords
- water
- fire
- pressure
- extinguishing system
- fire extinguishing
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- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/11—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone
- A62C35/15—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone with a system for topping-up the supply of extinguishing material automatically
-
- 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
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides a building fire extinguishing system. The building fire extinguishing system comprises a water supply device, multiple water mist sprayers, multiple fire sensors, a water supply pipeline and a control unit. The water supply device comprises a water tank and a high-pressure water pump. The water mist sprayers are mounted in designated positions in a building and used for spraying out water mist to the outside. The fire sensors are mounted in designated positions in the building and used for detecting the temperatures or smoke of the positions where the fire sensors are located. The water supply pipeline comprises a main pipe and branch pipes, wherein one end of the main pipe is connected with the water tank, the other end of the main pipe extends to all floors, and the branch pipes are used for connecting the main pipe and all the sensors. The control unit controls electromagnetic valves on all the branch pipes to be opened and closed according to signals of the fire sensors, and when the electromagnetic valves are opened, the control unit controls the output pressure of the high-pressure water pump. The control unit of the system can accurately judge the places where fires break out by judging the positions of the fire sensors giving out an alarm, and therefore the high-pressure water mist sprayers around the fire sensors giving out the alarm are opened to extinguish fire, and the fire can be extinguished efficiently in an energy saving mode.
Description
Technical field
The present invention relates to fire-fighting domain, particularly relate to one can and alarm self-opening type high-pressure fine water mist fire-extinguishing system.
Background technology
Generally be provided with automatic fire extinguishing system in building, whether it automatically detects room by flue gas inspection device and catches fire, and then starts water injection system according to alarm content and puts out a fire.
Existing building water injection system generally adopts direct injection structure, is directly sprayed by shower nozzle by water under high pressure, so arranges corresponding stop member at shower nozzle place, makes the water of ejection in the shape that scatters.The water of this structure ejection is concentrated, so in the wettability improving air, effect is poor due to the water yield.
Current on-board high-voltage fine water mist fire-extinguishing system fire extinguishing capacity is large, and blow-off velocity is fast, greatly can improve the wettability of on-the-spot air, isolated air, improve extinguishing effect, but be limited to site road traffic, cannot interior of building be entered flexibly and be subject to great limitation.In addition, also have backpack type high-pressure fine water mist fire-extinguishing system, this system can accomplish pointing fire-extinguishing under the operation of operating personnel, but be limited to system weight and people bear power, make fire extinguishing system capacity little, cannot put out in time when running into large-sized fire.And, above-mentioned two kinds of fire extinguishing systems all need after fire occurs the long period, just can arrive at scene, easily delay the most value opportunity of fire extinguishing.
Summary of the invention
The object of the invention is to provide a kind of fire extinguishing system that can improve scene of a fire surrounding air wettability.
Especially, the invention provides a kind of building fire extinguishing system, comprising:
Water supply installation, comprises water tank and high-pressure hydraulic pump;
Fine mist spray head, has multiple, and is arranged on the specified location in building, for outwardly spraying water smoke;
Fire sensor, has multiple, and is arranged on the specified location in building, for detecting temperature or the flue gas of present position;
Supply channel, comprise supervisor and arm, described supervisor one end is connected the other end and extends to every first floor room place with described water tank, and described arm is for connecting supervisor and sensor described in each;
Control unit, controls the magnetic valve folding on arm described in each according to the signal of described fire sensor, and when described magnetic valve is opened, controls the output pressure of described high-pressure hydraulic pump.
Further, described water supply installation also comprises the condensate tank of dehumidifier for detecting water position status in described water tank, and to the filling pipe of moisturizing in described water tank.
Further. described control unit is also connected with local and remote warning system, outwardly to send alarm signal when fire occurs.
Further, described fine mist spray head comprises:
Water receiving pipe, is connected with the described arm supplied water, is provided with the pressure door bearing and open after hydraulic pressure exceedes preassigned in described water receiving pipe;
Hybrid chamber, is connected with described water receiving pipe by one end, and the other end is provided with multiple hole for water spraying towards different directions;
Nozzle, is arranged in described hole for water spraying and inside is provided with drainage channel, and described drainage channel, being helical structure near described hybrid chamber one end, is being gradually expanded form structure away from described drainage channel one end.
Further, described hybrid chamber is provided with the dividing plate rotated around described hybrid chamber axial line on the inner tubal wall of described water receiving pipe one end.
Further, described pressure door is the latch-up structure of closing under torque spring controls.
Further, when the axis of described hybrid chamber is perpendicular to the ground, the opening direction of described hole for water spraying is under horizontal plane.
Further, described supervisor is provided with the overflow valve maintaining described main inner pipe water pressure.
Further, described supervisor is provided with pressure transmitter, described pressure transmitter is for the force value that detects in described supervisor and send described control unit to.
Further, the installation site of described fire sensor is positioned at the spray field of described fine mist spray head.
Control unit of the present invention by judging the position of the fire sensor given the alarm, judge the spot of fire accurately, and then the high-pressure water mist spray head opening the fire sensor periphery given the alarm can be put out a fire.Compared to vehicular and backpack type high-pressure fine water mist fire-extinguishing system, native system fire extinguishing scope is large, and fire extinguishing flexibly, can judge fire region accurately, and without the need to waiting for that artificial participation can be put out a fire, can put out a fire by efficient, energy-conservation carrying out.
Accompanying drawing explanation
Fig. 1 is building fire extinguishing system structural representation according to an embodiment of the invention;
Fig. 2 is condensate tank of dehumidifier according to an embodiment of the invention;
Fig. 3 is fine mist spray head structural representation according to an embodiment of the invention;
Fig. 4 is the drainage channel structural representation of nozzle in fine mist spray head shown in Fig. 2;
In figure: 1-water tank, 2-high-pressure hydraulic pump, 3-control unit, 4-fine mist spray head, 41-water receiving pipe, 411-pressure door, 412-torque spring, 42-hybrid chamber, 421-dividing plate, 422-hole for water spraying, 43-nozzle, 431-drainage channel, 432-spiral section, 433-divergent segment, 5-fire sensor, 6-magnetic valve, 7-overflow valve, 8-condensate tank of dehumidifier, 81-ball float, 82-gauge tap, 83-connecting rod, 9-hydraulic pipeline, 91-supervisor, 92-arm.
Detailed description of the invention
Fig. 1 is building fire extinguishing system according to an embodiment of the invention, comprises water supply installation, fine mist spray head 4, fire sensor 5, supply channel 9 and control unit 3.
This water supply installation comprises the water tank 1 of water storage and maintains the high-pressure hydraulic pump 2 that water tank 1 exports hydraulic pressure.This fine mist spray head 4 has specified location that is multiple and that be arranged in building, for outwardly spraying water smoke to put out fire.
Fire sensor 5 arranges specified location that is multiple and that be arranged in building simultaneously, for detecting temperature or the flue gas of present position.
Supply channel 9 is for being delivered to each fine mist spray head 4 place by the water in water tank 1, comprise the water delivery network be made up of supervisor 91 and arm 92, this supervisor 91 one end is connected with water tank 1 and the other end extends to every first floor room place, and this arm 92 is for connecting supervisor 91 and each fine mist spray head 4.
This control unit 3, for monitoring fire, controls water spray process simultaneously, comprises the information monitoring such as fine mist spray head 4 position of hydraulic pressure, unlatching; Control unit 3 controls magnetic valve 6 folding on each arm 92 according to the signal of fire sensor 5, and when magnetic valve 6 is opened, controls the output pressure of high-pressure hydraulic pump 2; When there is not fire dangerous situation at ordinary times, the hydraulic pressure in supply channel 9 keeps in normal state, once when occurring needing fine mist spray head 4 to work, just can control high-pressure hydraulic pump 2 and work.
When there is the condition of a fire in certain position of building, the fire sensor 5 being positioned at this scope can detect corresponding signal, and be uploaded to control unit 3, control unit 3 is according to the position of the fire sensor 5 of transmission signal and quantity, the high-pressure hydraulic pump 2 starting water tank 1 squeezes into the pressure of specifying in supervisor 91, magnetic valve 6 on the arm 92 that control is simultaneously connected with the fine mist spray head 4 of corresponding position is opened, the water under high pressure possessing certain pressure is made to enter fine mist spray head 4, be sprayed to scene by fine mist spray head 4 again, realize pointing fire-extinguishing.The present embodiment utilizes fine mist spray head 4 can improve the water content sprayed in on-the-spot air, reduces the aridity of air, thus reduces environment to the combustion-supporting effect of the intensity of a fire.While directly fire-fighting by water, also can reduce the oxygen content in air in surrounding environment, directly block the approach that flame obtains oxygen from air.
The control unit 3 of the present embodiment by judging the position of the fire sensor 5 given the alarm, judge the spot of fire accurately, and then the high-pressure water mist spray head 4 opening fire sensor 5 periphery given the alarm can be put out a fire.Compared to vehicular and backpack type high-pressure fine water mist fire-extinguishing system, this system fire extinguishing scope is large, and fire extinguishing flexibly, can judge fire region accurately, and without the need to waiting for that artificial participation can be put out a fire, can put out a fire by efficient, energy-conservation carrying out.
As shown in Figure 2, all the time under being in the state that can work at any time for making the water in water tank 1, in one embodiment of the invention, this water supply installation can also comprise the condensate tank of dehumidifier 8 for detecting water position status in water tank 1, the SEA LEVEL VARIATION in water tank 1 can be obtained by condensate tank of dehumidifier 8, and feeding back to control unit 3 in time, control unit 3 controls disposable moisturizing operation when water tank 1 realizes non-breaking out of fire as the case may be, or continuation moisturizing operation during breaking out of fire.For convenience of water tank 1 moisturizing, can directly by filling pipe, water tank 1 be connected with the water system of building.Concrete condensate tank of dehumidifier 8 can be the structure that ball float 81 drives gauge tap 82, when there is the displacement in vertical direction in the ball float 81 be positioned on the water surface, the gauge tap 82 be connected by connecting rod 83 with ball float 81 can be triggered according to the anglec of rotation, and then sending different alert level, control unit 3 performs corresponding make-up water measure according to this alert level.
For reminding the resident of the building that catches fire in time, this control unit 3 can also arrange this locality and/or remote alarming system, to send alarm signal when fire occurs to local and/or fire units.
For under the hydraulic pressure that enables the water in supervisor 91 remain on to specify, the glassware for drinking water that fine mist spray head 4 is sprayed has certain scope and flame penetrability, can install the overflow valve 7 maintaining main inner pipe water pressure on supervisor 91.By overflow valve 7 under the water in supervisor 91 can be made at ordinary times to maintain lower pressure, and when there is the condition of a fire, again can by the hydraulic pressure control in supervisor 91 in specified pressure value.
For convenience of the pressure understood in supervisor 91, pressure transmitter can also be set on supervisor 91, the force value in supervisor 91 can be detected by pressure transmitter and send control unit 3 to, control unit 3 according to the force value in this force value adjustment supervisor 91 during force value and fire extinguishing at ordinary times, can ensure the extinguishing effect of fine mist spray head 4.
The installation site of fire sensor 5 and fine mist spray head 4, can arrange according to the room shape of building, matrix requirement is that each place in room is in the spray field of fine mist spray head 4, fire sensor 5 then can be arranged according to the position of sensing scope or easily breaking out of fire, the position that the spray field that general fire sensor 5 is arranged on two or several fine mist spray head 4 intersects.
As shown in Figure 3,4, in one embodiment of the invention, for improving fire-fighting efficiency, this fine mist spray head 4 can comprise the water receiving pipe 41 be connected with the arm 92 supplied water, and the hybrid chamber 42 possessing liquid mixed function to be connected with water receiving pipe 41, and be arranged on the nozzle 43 on hybrid chamber 42.The pressure door 411 opened according to hydraulic pressure size is installed in water receiving pipe 41, hybrid chamber 42 can be arranged multiple respectively towards the hole for water spraying 422 of different directions.Nozzle 43 is then arranged in hole for water spraying 422, and nozzle 43 inside is provided with drainage channel 431, and this drainage channel 431 is spiral spiral section 432 near one end of hybrid chamber 32, and the one end away from hybrid chamber 32 is the divergent segment 433 that diameter increases gradually.
When needs are sprayed water, control unit 3 opens corresponding arm 92, control high-pressure hydraulic pump 2 to improve the hydraulic pressure in supervisor 92 simultaneously, when hydraulic pressure reaches predetermined standard time, water in arm 92 can be washed the pressure door 411 on water receiving pipe 41 under pressure open and enter hybrid chamber 42, the water under high pressure entering hybrid chamber 42 enters each nozzle 43 by each hole for water spraying 422 respectively, water under high pressure is accelerated further at the spiral section 432 of nozzle 43, after entering divergent segment 433, water under high pressure is gone out by the sprinkling of spiral, atomizing effect is formed in its spraying range, in water smoke, also there is the larger water droplet of some particles due to spiral effect simultaneously, this type of water droplet is easily applied on ignition point through flame, thus raising extinguishing effect.
The fine mist spray head 4 of the present embodiment, utilizes hybrid chamber 42 that water under high pressure can be made to form gas-liquid coexisting state, thus more easily forms water smoke, to increase the wettability in air.Nozzle 43 can improve water-jet velocity further, and when hydraulic pressure is certain, the scope that water is sprayed is larger, reduces the load request of supervisor 91 and arm 92.
Hybrid chamber 42 can be connected with water receiving pipe 41 by screw thread or hooping structure, and nozzle 43 can be inserted by the inside of hybrid chamber 42 and be fastened on hole for water spraying 422, and helicitic texture also can be adopted to be connected with hole for water spraying 422.The force value that pressure door 411 in water receiving pipe 41 bears can be arranged according to pre-provisioning request, as this pressure door 411 being greater than less than one times unlatching of normal pressure (not starting pressure during high-pressure hydraulic pump 2), can not can prevent water spray by mistake like this.The limit of the force value that pressure door 411 bears is less than or equal to the force value of high-pressure hydraulic pump 2 output that control unit 3 controls, once hydraulic pressure reaches this force value can wash pressure door 411 open.The structure of controlled pressure door 411 can be torque spring 412, torque spring 412 can apply certain pressure to pressure door 411, when the hydraulic pressure in arm 92 exceedes after the elastic force of this torque spring 412, pressure door 411 can be washed open by hydraulic pressure and be sprayed by nozzle 43.After control unit 3 stops the work of high-pressure hydraulic pump 2, along with the hydraulic pressure in arm 92 reduces, pressure door 411 can be closed again by the elastic force of torque spring 412.
For improving the mixed effect of hybrid chamber 42 pairs of water, can at hybrid chamber 42 on the inner tubal wall of one end of water receiving pipe 41, the dividing plate 421 rotated around hybrid chamber 42 axial line is set, the quantity of dividing plate 421 can arrange 2-4 bar, spiral dividing plate 421 can make the current just entered form rotating flow, thus stirring is formed in hybrid chamber 42, and produce a large amount of gas liquid mixture, this gas liquid mixture is when final jetting nozzle 43, liquid wherein can form the droplet penetrating flame, and the liquid being mixed with gas can form trickle water smoke, and be covered with whole sprinkling space, thus reduce the aridity of air, reduce the approach that flame obtains oxygen.
For improving extinguishing effect, each nozzle 43 after installation angle of spraying water is the angle tilted earthward, namely when the axis of hybrid chamber 42 is perpendicular to the ground, the opening direction of the hole for water spraying 422 on it is under horizontal plane, but it is not perpendicular to the ground, when nozzle 43 is arranged on after in hole for water spraying 422, the water outlet direction of its nozzle 43 naturally tilt towards ground.The water of ejection can be made to concentrate within the scope of one by this structure, thus improve the water density in respective range.
So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present invention is illustrate and described herein detailed, but, without departing from the spirit and scope of the present invention, still can directly determine or derive other modification many or amendment of meeting the principle of the invention according to content disclosed by the invention.Therefore, scope of the present invention should be understood and regard as and cover all these other modification or amendments.
Claims (10)
1. a building fire extinguishing system, is characterized in that, comprising:
Water supply installation, comprises water tank and high-pressure hydraulic pump;
Fine mist spray head, has multiple, and is arranged on the specified location in building, for outwardly spraying water smoke;
Fire sensor, has multiple, and is arranged on the specified location in building, for detecting temperature or the flue gas of present position;
Supply channel, comprise supervisor and arm, described supervisor one end is connected the other end and extends to every first floor room place with described water tank, and described arm is for connecting supervisor and sensor described in each;
Control unit, controls the magnetic valve folding on arm described in each according to the signal of described fire sensor, and when described magnetic valve is opened, controls the output pressure of described high-pressure hydraulic pump.
2. building fire extinguishing system according to claim 1, is characterized in that,
Described water supply installation also comprises the condensate tank of dehumidifier for detecting water position status in described water tank, and to the filling pipe of moisturizing in described water tank.
3. building fire extinguishing system according to claim 1, is characterized in that,
Described control unit is also connected with local and remote warning system, outwardly to send alarm signal when fire occurs.
4. building fire extinguishing system according to claim 1, is characterized in that,
Described fine mist spray head comprises:
Water receiving pipe, is connected with the described arm supplied water, is provided with the pressure door bearing and open after hydraulic pressure exceedes preassigned in described water receiving pipe;
Hybrid chamber, is connected with described water receiving pipe by one end, and the other end is provided with multiple hole for water spraying towards different directions;
Nozzle, is arranged in described hole for water spraying and inside is provided with drainage channel, and described drainage channel, being helical structure near described hybrid chamber one end, is being gradually expanded form structure away from described drainage channel one end.
5. building fire extinguishing system according to claim 4, is characterized in that,
Described hybrid chamber is provided with the dividing plate rotated around described hybrid chamber axial line on the inner tubal wall of described water receiving pipe one end.
6. building fire extinguishing system according to claim 4, is characterized in that,
Described pressure door is the latch-up structure of closing under torque spring controls.
7. building fire extinguishing system according to claim 4, is characterized in that,
When the axis of described hybrid chamber is perpendicular to the ground, the opening direction of described hole for water spraying is under horizontal plane.
8. building fire extinguishing system according to claim 1, is characterized in that,
Described supervisor is provided with the overflow valve maintaining described main inner pipe water pressure.
9. building fire extinguishing system according to claim 1, is characterized in that,
Described supervisor is provided with pressure transmitter, and described pressure transmitter is for the force value that detects in described supervisor and send described control unit to.
10. building fire extinguishing system according to claim 1, is characterized in that,
The installation site of described fire sensor is positioned at the spray field of described fine mist spray head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895664.3A CN105381563A (en) | 2015-12-07 | 2015-12-07 | Building fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895664.3A CN105381563A (en) | 2015-12-07 | 2015-12-07 | Building fire extinguishing system |
Publications (1)
| Publication Number | Publication Date |
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| CN105381563A true CN105381563A (en) | 2016-03-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510895664.3A Pending CN105381563A (en) | 2015-12-07 | 2015-12-07 | Building fire extinguishing system |
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| CN (1) | CN105381563A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944258A (en) * | 2016-06-29 | 2016-09-21 | 中交第二航务工程局有限公司 | Fire extinguishing system for stay cable tower end |
| CN106267662A (en) * | 2016-08-22 | 2017-01-04 | 安徽瑞宏信息科技有限公司 | Smart system fire protection alarm system |
| CN106362342A (en) * | 2016-08-22 | 2017-02-01 | 安徽瑞宏信息科技有限公司 | Intelligent security protection and firefighting system |
| CN106994219A (en) * | 2017-04-19 | 2017-08-01 | 国网湖南省电力公司 | Mesohigh fine mist spray head and its wind resistance application process with wind resistance |
| CN108144239A (en) * | 2018-02-01 | 2018-06-12 | 天津城建大学 | A kind of Household independent Simple water spraying fire extinguisher and application method |
| CN108159619A (en) * | 2018-01-19 | 2018-06-15 | 宁波高新区登高洁具科技有限公司 | Rural building fire-fighting system |
| CN108785947A (en) * | 2018-05-31 | 2018-11-13 | 福建浩邦锐兴智能工程建设有限公司 | A kind of automatic building control system |
| CN109663259A (en) * | 2018-12-11 | 2019-04-23 | 苗娥 | Spray tube is used in a kind of alarm of building fire-fighting |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944258A (en) * | 2016-06-29 | 2016-09-21 | 中交第二航务工程局有限公司 | Fire extinguishing system for stay cable tower end |
| CN105944258B (en) * | 2016-06-29 | 2021-09-03 | 中交第二航务工程局有限公司 | Stay cable tower end fire extinguishing system |
| CN106267662A (en) * | 2016-08-22 | 2017-01-04 | 安徽瑞宏信息科技有限公司 | Smart system fire protection alarm system |
| CN106362342A (en) * | 2016-08-22 | 2017-02-01 | 安徽瑞宏信息科技有限公司 | Intelligent security protection and firefighting system |
| CN106994219A (en) * | 2017-04-19 | 2017-08-01 | 国网湖南省电力公司 | Mesohigh fine mist spray head and its wind resistance application process with wind resistance |
| CN108159619A (en) * | 2018-01-19 | 2018-06-15 | 宁波高新区登高洁具科技有限公司 | Rural building fire-fighting system |
| CN108144239A (en) * | 2018-02-01 | 2018-06-12 | 天津城建大学 | A kind of Household independent Simple water spraying fire extinguisher and application method |
| CN108785947A (en) * | 2018-05-31 | 2018-11-13 | 福建浩邦锐兴智能工程建设有限公司 | A kind of automatic building control system |
| CN109663259A (en) * | 2018-12-11 | 2019-04-23 | 苗娥 | Spray tube is used in a kind of alarm of building fire-fighting |
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Application publication date: 20160309 |