CN109621270A - A kind of intelligent indoor fire-fighting system - Google Patents
A kind of intelligent indoor fire-fighting system Download PDFInfo
- Publication number
- CN109621270A CN109621270A CN201811476246.0A CN201811476246A CN109621270A CN 109621270 A CN109621270 A CN 109621270A CN 201811476246 A CN201811476246 A CN 201811476246A CN 109621270 A CN109621270 A CN 109621270A
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- China
- Prior art keywords
- water
- unit
- controller
- pipe
- pump
- Prior art date
- 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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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 164
- 239000007921 spray Substances 0.000 claims abstract description 25
- 239000000779 smoke Substances 0.000 claims description 18
- 239000003673 groundwater Substances 0.000 claims description 7
- 239000008187 granular material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
- A62C35/68—Details, e.g. of pipes or valve systems
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a kind of intelligent indoor fire-fighting systems, including water collecting unit, feed water unit, spray unit and control unit, the water collecting unit includes multiple water collecting funnels, collector pipe, water inlet pipe, inlet valve, rain sensor and water storage box, the multiple water collecting funnel is located at building eminence for collecting rainwater, the water collecting funnel connects the collector pipe by water inlet pipe, the water inlet pipe is equipped with inlet valve, the collector pipe connects the water storage box, the water storage box is embedded in underground, and the rain sensor is located inside water collecting funnel.The present invention can quickly start spray unit in time and notify manager, improve fire-fighting efficiency and reduce major accident probability of happening, and by rainwater catchment system, high degree has saved the energy.
Description
Technical field
The present invention relates to indoor fire-fighting technical fields, particularly relate to a kind of intelligent indoor fire-fighting system.
Background technique
In some room areas such as underground garage, logistics storehouse, market, school, hospitals, can all be required in building construction
Indoor fire extinguishing system is built, to guarantee the safety of people's lives and properties.
The indoor fire extinguishing system of existing structure generally comprises the smoke alarm connecting with backstage central processing unit, with water supply
Pipe network connection spray equipment, control spray equipment opening and closing solenoid valve, the solenoid valve connect with backstage central processing unit and by
The connection control opening and closing of backstage central processing unit.The indoor fire extinguishing system of the class formation generally pacifies smoke sensor device in layout
Mounted in positions such as indoor corners, smog is usually all to be diffused from intermediate position toward both sides;When a fire may
It will appear such when happening fire, smog is diffused indoors, and smoke sensor device will wait a very long time could
Enough detecting smog and reaching a certain concentration just can be carried out alarm, and spray equipment can just be acted on and be put out a fire, so, very
The chance of fire fighting may be delayed, eventually cause huge loss.Meanwhile traditional fire demand water mostly uses greatly underground water,
Though can guarantee supply, in case of fire, it certainly will need largely to use water, serious waste of resources, there is no acquisition rainwater at present
The equipment of fire extinguishing.
Summary of the invention
Deficiency in order to solve the above technical problems, the present invention provides a kind of intelligent indoor fire-fighting systems.
The present invention is achieved through the following technical solutions:
A kind of intelligent indoor fire-fighting system, it is characterised in that: including water collecting unit, feed water unit, spray unit and control
Unit processed, the water collecting unit include multiple water collecting funnels, collector pipe, water inlet pipe, inlet valve, rain sensor and water storage box,
The multiple water collecting funnel is located at building eminence for collecting rainwater, and the water collecting funnel described in water inlet pipe connection by catchmenting
Pipe, the water inlet pipe are equipped with inlet valve, and the collector pipe connects the water storage box, and the water storage box is embedded in underground, the rain
Water sensor is located inside water collecting funnel;The feed water unit includes water gathering tube, first adopts water pump, second adopts water pump and water supply
Pipe, one end of the water gathering tube connect water storage box, and the other end connects groundwater reservoir, and the feed pipe is connect with water gathering tube, institute
It states first and adopts water pump and second and adopt water pump and be separately positioned between water storage box and feed pipe and groundwater reservoir and feed pipe and adopt water
Guan Shang;The spray unit includes water supply network, spray tube, high-pressure nozzle, outlet valve and smoke sensor device, the water supply network
More feed pipes are separately connected, the spray tube connects water supply network, and the smoke sensor device is located on fluorescent lamp;The control
Unit includes first controller and second controller with plc control sheet, and the input terminal of first controller connects rainwater
Sensor, output end connect inlet valve, and first controller controls opening for inlet valve by receiving rain sensor signal
It closes;The input terminal of the second controller connects smoke sensor device, and output end connection outlet valve, first adopt water pump and second and adopt
Water pump, second controller control outlet valve by receiving the signal of smoke sensor device, first adopt water pump and second and adopt opening for water pump
It closes.
Preferably, the water outlet of the collector pipe is additionally provided with filter, for removing the granule foreign in rainwater.
Preferably, the described first water gathering tube adopted between water pump and feed pipe is equipped with the first check valve, drives second to adopt
Second one-way valve is provided on water gathering tube between water pump and feed pipe.
It is further preferred that the feed pipe is equipped with force (forcing) pump.
It preferably, further include signal transmitter unit and signal receiving unit, the signal transmitter unit is connected to the second control
The output end of device processed, the signal receiving unit are connect with signal transmitter unit by wired or wireless way.
It is further preferred that the signal receiving unit includes alarm, mobile terminal and the end PC.
It is further preferred that the signal output end of the second controller is also connected with the signal input part of force (forcing) pump.
Preferably, water level sensor is equipped with above the inner wall of the water storage box, the signal output end of the water level sensor connects
It is connected to the signal input part of the first controller.
The beneficial effects of the present invention are: the present invention collects rainwater by water collecting unit, rainwater enters water storage box and is collected, when
When fire occurs, fire signal is passed to second controller by smoke alarm, second controller start simultaneously first adopt water pump,
Second adopts water pump, force (forcing) pump and outlet valve, carries out high-pressure extinction by spray unit, also, second controller also passes through signal
Fire signal is passed to mobile terminal and the end PC by transmitting unit, and starts alarm Realtime Alerts, and whole process does not need manually
It participates in, can quickly start spray unit in time and notifies manager, improve fire-fighting efficiency and reduce major accident generation and is general
Rate, and by rainwater catchment system, high degree has saved the energy.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of water collecting unit of the present invention.
Fig. 3 is the structural schematic diagram of feed water unit of the present invention.
Fig. 4 is the structural schematic diagram of spray unit of the present invention.
Fig. 5 is the control principle drawing of the first controller of the invention.
Fig. 6 is the control principle drawing of second controller of the present invention.
Fig. 7 is the control principle drawing of signal transmission system of the present invention.
In figure, 1 water collecting unit, 2 feed water units, 3 spray units, 4 control units, 5 water collecting funnels, 6 collector pipes, 7 water inlets
Pipe, 8 inlet valves, 9 rain sensors, 10 water storage boxes, 11 water gathering tubes, 12 first adopt water pump, and 13 second adopt water pump, 14 feed pipes,
15 groundwater reservoirs, 16 water level sensors, 17 water supply networks, 18 spray tubes, 19 high-pressure nozzles, 20 outlet valves, 21 smoke sensor devices,
22 fluorescent lamps, 23 first controllers, 24 second controllers, 25 filters, 26 first check valves, 27 second one-way valves, 28 pressurizations
Pump, 29 signal transmitter units, 30 signal receiving units, 31 alarms, 32 mobile terminals, the end 33PC.
Specific embodiment
Referring to Fig. 1-7, intelligent indoor fire-fighting system of the invention, including water collecting unit 1, feed water unit 2, spray unit
3 and control unit 4, the water collecting unit 1 includes multiple water collecting funnels 5, collector pipe 6, water inlet pipe 7, inlet valve 8, rainwater sensing
Device 9 and water storage box 10, the multiple water collecting funnel 5 are located at building eminence for collecting rainwater, the water collecting funnel 5 by into
Water pipe 7 connects the collector pipe 6, and the water inlet pipe 7 is equipped with inlet valve 8, and the collector pipe 6 connects the water storage box 10, institute
It states water storage box 10 and is embedded in underground, the rain sensor 9 is located inside water collecting funnel 5;The feed water unit 2 includes water gathering tube
11, it first adopts water pump 12, second adopt water pump 13 and feed pipe 14, one end of the water gathering tube 11 connects water storage box 10, another
End connection groundwater reservoir 15, the feed pipe 14 connect with water gathering tube 11, and described first, which adopts water pump 12 and second, adopts water pump 13 and divide
It is not arranged on the water gathering tube 11 between water storage box 10 and feed pipe 14 and groundwater reservoir 15 and feed pipe 14;The spray unit
3 include water supply network 17, spray tube 18, high-pressure nozzle 19, outlet valve 20 and smoke sensor device 21, and the water supply network 17 is distinguished
More feed pipes 14 are connected, the spray tube 18 connects water supply network 17, and the smoke sensor device 21 is located on fluorescent lamp 22;
Described control unit 4 includes first controller 23 and second controller 24 with plc control sheet, first controller 23
Input terminal connects rain sensor 9, and output end connects inlet valve 8, and first controller 23 is by receiving rain sensor 9
Control the opening and closing of inlet valve 8;The input terminal of the second controller 24 connects smoke sensor device 21, and output end connects outlet valve
20, first water pump 12 is adopted and second adopts water pump 13, second controller 24 controls water outlet by receiving the signal of smoke sensor device 21
Valve 20, first adopt water pump 13 and second and adopt the opening and closing of water pump 14.
Referring to fig. 2, the water outlet of the collector pipe 6 is additionally provided with filter 25, for removing the granule foreign in rainwater.
Referring to Fig. 3, the described first water gathering tube 11 adopted between water pump 12 and feed pipe 14 is equipped with the first check valve 26, institute
It states second and adopts and be provided with second one-way valve 27 on water gathering tube 11 between water pump 13 and feed pipe 14.
The feed pipe 14 is equipped with force (forcing) pump 28.
It further include signal transmitter unit 29 and signal receiving unit 30 referring to Fig. 7, the signal transmitter unit 29 connects
In the output end of second controller 24, the signal receiving unit 30 is connected with signal transmitter unit 29 by wired or wireless way
It connects;The signal receiving unit 30 includes alarm 31, mobile terminal 32 and the end PC 33.
The signal output end of the second controller 24 is also connected with the signal input part of force (forcing) pump 28.
Water level sensor 16 is equipped with above the inner wall of the water storage box 10, the signal output end of the water level sensor 16 connects
In the signal input part of the first controller 23.
The course of work of the invention is as follows:
Firstly, the signal of rainfall is passed to the first controller 23 by rain sensor 9, the first controller 23 opens inlet valve
8, rainwater enters collector pipe 6 from water collecting funnel 5, then is collected by water storage box 10;After water level reaches setting water level, water level is passed
Water level information is passed to the first controller 23 by sensor 16, and the first controller 23 closes inlet valve 8;Smoke sensor device 21 perceives
After smoke signal, second controller 24 is passed it to, second controller 23 starts first simultaneously and adopts water pump 12, second adopts water
Enter in spray tube 18 after the pressurized pump pressurization of pump 13, force (forcing) pump 28 and outlet valve 20, rainwater and underground water, through high-pressure nozzle 19
It sprays, puts out a fire;Also, signal on fire is also that signal projector passes by signal transmitter unit 29 by second controller 24
Signal receiving unit 30 i.e. alarm 31, mobile terminal 32 and the end PC 33, alarm Realtime Alerts are passed, manager can pass through movement
The end 32 and PC 33 is held to grasp fire information, to arrange fire fighting work.Whole process does not need manually to participate in, and can quickly open in time
It dynamic spray unit and notifies manager, improve fire-fighting efficiency and reduces major accident probability of happening, and by rainwater-collecting
It utilizes, high degree has saved the energy.
For the ordinary skill in the art, introduction according to the present invention, do not depart from the principle of the present invention with
In the case where spirit, changes, modifications that embodiment is carried out, replacement and variant still fall within protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of intelligent indoor fire-fighting system, it is characterised in that: including water collecting unit (1), feed water unit (2), spray unit
(3) and control unit (4), the water collecting unit (1) include multiple water collecting funnels (5), collector pipe (6), water inlet pipe (7), water inlet
Valve (8), rain sensor (9) and water storage box (10), the multiple water collecting funnel (5) are located at building eminence for collecting rain
Water, the water collecting funnel (5) connect the collector pipe (6) by water inlet pipe (7), and the water inlet pipe (7) is equipped with inlet valve
(8), the collector pipe (6) connects the water storage box (10), and the water storage box (10) is embedded in underground, the rain sensor (9)
It is internal to be located at water collecting funnel (5);The feed water unit (2) includes water gathering tube (11), first adopts water pump (12), second adopts water pump
(13) and feed pipe (14), one end of the water gathering tube (11) connect water storage box (10), and the other end connects groundwater reservoir (15),
The feed pipe (14) connect with water gathering tube (11), and described first, which adopts water pump (12) and second, adopts water pump (13) and be separately positioned on storage
On water gathering tube (11) between water tank (10) and feed pipe (14) and groundwater reservoir (15) and feed pipe (14);The spray unit
It (3) include water supply network (17), spray tube (18), high-pressure nozzle (19), outlet valve (20) and smoke sensor device (21), it is described to give
Pipe network (17) is separately connected more feed pipes (14), and the spray tube (18) connects water supply network (17), the smog sensing
Device (21) is located on fluorescent lamp (22);Described control unit (4) includes first controller (23) and second with plc control sheet
The input terminal of controller (24), first controller (23) connects rain sensor (9), and output end connects inlet valve (8),
First controller (23) controls the opening and closing of inlet valve (8) by receiving rain sensor (9);The second controller (24)
Input terminal connect smoke sensor device (21), output end connection outlet valve (20), first adopt water pump (12) and second and adopt water pump
(13), second controller (24) is by receiving signal control outlet valve (20) of smoke sensor device (21), first adopting water pump (13)
The opening and closing for adopting water pump (14) with second.
2. intelligent indoor fire-fighting system according to claim 1, it is characterised in that: the water outlet of the collector pipe (6)
Filter (25) are additionally provided with, for removing the granule foreign in rainwater.
3. intelligent indoor fire-fighting system according to claim 1, it is characterised in that: described first adopt water pump (12) and to
Water gathering tube (11) between water pipe (14) is equipped with the first check valve (26), described second adopt water pump (13) and feed pipe (14) it
Between water gathering tube (11) on be provided with second one-way valve (27).
4. intelligent indoor fire-fighting system according to claim 3, it is characterised in that: the feed pipe (14), which is equipped with, to be added
Press pump (28).
5. intelligent indoor fire-fighting system according to claim 1, it is characterised in that: further include signal transmitter unit (29)
With signal receiving unit (30), the signal transmitter unit (29) is connected to the output end of second controller (24), the signal
Receiving unit (30) is connect with signal transmitter unit (29) by wired or wireless way.
6. intelligent indoor fire-fighting system according to claim 5, it is characterised in that: signal receiving unit (30) packet
Include alarm (31), mobile terminal (32) and the end PC (33).
7. intelligent indoor fire-fighting system according to claim 4, it is characterised in that: the letter of the second controller (24)
Number output end is also connected with the signal input part of force (forcing) pump (28).
8. intelligent indoor fire-fighting system according to claim 1, it is characterised in that: on the inner wall of the water storage box (10)
Side is equipped with water level sensor (16), and the signal that the signal output end of the water level sensor (16) is connected to the first controller (23) is defeated
Enter end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811476246.0A CN109621270A (en) | 2018-12-04 | 2018-12-04 | A kind of intelligent indoor fire-fighting system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811476246.0A CN109621270A (en) | 2018-12-04 | 2018-12-04 | A kind of intelligent indoor fire-fighting system |
Publications (1)
Publication Number | Publication Date |
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CN109621270A true CN109621270A (en) | 2019-04-16 |
Family
ID=66071015
Family Applications (1)
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CN201811476246.0A Withdrawn CN109621270A (en) | 2018-12-04 | 2018-12-04 | A kind of intelligent indoor fire-fighting system |
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CN (1) | CN109621270A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111549957A (en) * | 2020-05-19 | 2020-08-18 | 郑峰 | Household or commercial kitchen ceiling type multifunctional intelligent water storage tank |
WO2021115170A1 (en) * | 2019-12-10 | 2021-06-17 | 安庆师范大学 | Computer room safety preventive system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101551903B1 (en) * | 2015-06-12 | 2015-09-09 | 주식회사 탑이엔씨 | Easy maintenance type sprinkling apparatus in tunnel for road |
CN205050287U (en) * | 2015-10-16 | 2016-02-24 | 江门市第一职业高级中学 | Long -range fire alarm smog alarm device in high in clouds |
CN205329767U (en) * | 2015-12-30 | 2016-06-22 | 天津江湾科技有限公司 | Use water saving fixtures that networking sensor is used for rainwater life |
CN207110010U (en) * | 2017-06-12 | 2018-03-16 | 宁夏创翌科技有限公司 | A kind of intelligent building drainage system |
CN108066923A (en) * | 2016-11-14 | 2018-05-25 | 南京消防器材股份有限公司 | A kind of high building fire fighting device |
-
2018
- 2018-12-04 CN CN201811476246.0A patent/CN109621270A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101551903B1 (en) * | 2015-06-12 | 2015-09-09 | 주식회사 탑이엔씨 | Easy maintenance type sprinkling apparatus in tunnel for road |
CN205050287U (en) * | 2015-10-16 | 2016-02-24 | 江门市第一职业高级中学 | Long -range fire alarm smog alarm device in high in clouds |
CN205329767U (en) * | 2015-12-30 | 2016-06-22 | 天津江湾科技有限公司 | Use water saving fixtures that networking sensor is used for rainwater life |
CN108066923A (en) * | 2016-11-14 | 2018-05-25 | 南京消防器材股份有限公司 | A kind of high building fire fighting device |
CN207110010U (en) * | 2017-06-12 | 2018-03-16 | 宁夏创翌科技有限公司 | A kind of intelligent building drainage system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021115170A1 (en) * | 2019-12-10 | 2021-06-17 | 安庆师范大学 | Computer room safety preventive system |
CN111549957A (en) * | 2020-05-19 | 2020-08-18 | 郑峰 | Household or commercial kitchen ceiling type multifunctional intelligent water storage tank |
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Application publication date: 20190416 |
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