CN110237456A - A kind of intelligent fire extinguishing system - Google Patents
A kind of intelligent fire extinguishing system Download PDFInfo
- Publication number
- CN110237456A CN110237456A CN201810191973.6A CN201810191973A CN110237456A CN 110237456 A CN110237456 A CN 110237456A CN 201810191973 A CN201810191973 A CN 201810191973A CN 110237456 A CN110237456 A CN 110237456A
- Authority
- CN
- China
- Prior art keywords
- fire
- jet pipe
- spray orifice
- sensor
- injection valve
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
-
- 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
- A62C37/40—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 with electric connection between sensor and actuator
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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 present invention provides a kind of intelligent fire extinguishing system, including battery self-extinguishing main control box, fire suppression bottle, injection valve, sensor, host power supply, transmission module, fire-suppressant gas jet pipes；The sensor includes temperature sensor, smoke sensor device and optical sensor；There is injection valve on fire suppression bottle；Control cabinet connects each sensor and injection valve；Transmission module transmits fire alarm；Host power supply is the power supply of the equipment such as control cabinet；The head end of fire-suppressant gas jet pipe is connected with the injection valve of fire suppression bottle; the other end is extended; aft end closing; it is formed and is matched with the space size of protected area; there are the multiple spray orifices for spraying extinguishing chemical on each jet pipe; spray orifice distribution in different angles, and as from the head end of jet pipe to aft end, the quantity difference of spray orifice or the diameter of spray orifice are different.
Description
Technical field
The invention belongs to extinguishing device fields, more particularly to a kind of intelligent fire extinguishing system.
Background technique
In recent years, with the support energetically that country develops new-energy automobile, electric car production and marketing quantity rapid growth is produced
Industry paces are constantly accelerated.At this stage, electric car is mainly using lithium ion battery as power battery, by the development of many years,
The safety of lithium-ion-power cell has been significantly improved, but under extreme conditions, and lithium battery still has burning, quick-fried
Fried risk.Country, place are by issuing every filespec, it is intended to further strengthen power battery fire protection requirement, ensure people
People's security of the lives and property.Automobile factory mainly guarantees the fire safety of battery by active safety and passive security at present.Actively
Safety is that the parameters such as voltage, electric current, the temperature for monitoring inside battery in real time by battery management system (BMS) are realized.Work as electricity
The parameters such as voltage, electric current, the temperature in pond exceed design value, and BMS sends relevant information to instrument, issues acousto-optic by instrument
Alarm, while being communicated with ground charging pile, entire car controller, by reducing power output, cutoff high, implement effective safety
Measure.Passive security is by installing additional device, it is ensured that when fire occurs for battery, carries out early warning, fire extinguishing to fire, prevents
Fire spreads to vehicle from battery.If extinguishing device can not put out a fire completely to battery, also to be reminded by warning device
Occupant flees from, delays the fire spread time with fire-retardant fireproof material.
Pure electric vehicle city bus power battery mainly uses middle part, rear portion floor lower section, the individually designed battery of vehicle rear
The arrangements such as cabin and vehicle floor lower section, top mixing.Regardless of which kind of arrangement power battery uses, occurring promptly
Fire behavior inside power battery cabin can not be observed directly when fire incident, in passenger compartment.If fire occurs for power battery cabin,
By the passenger compartment that ignites rapidly, threaten to passenger safety.Especially battery arrangement square vehicle under floor, city bus
Plate generally uses bamboo reinforcement plate, belongs to inflammable thing, after batteries caught fire, by quick igniting bamboo reinforcement plate, causes difficulty to occupant's escape.Cause
This, takes fire prevention measure appropriate, can effectively reduce injury of the fire to vehicle and personnel.
Also occur various automatic fire extinguishing systems in the prior art, but its sky for being covered on entire protected area
Between on the spray orifice of fire-suppressant gas jet pipe do not make and being specifically designed, since fire suppression bottle is usually located at the side of battery, but spray
The path of pipe is very long, therefore the gas of the ejection in the tail portion and head of jet pipe is uneven, results in the gas discharge rate in tail portion
It may be insufficient.
Summary of the invention
In view of the above problems, providing a kind of new intelligent fire fighting the present invention is based on existing battery automatic fire extinguisher
System has been made for being covered on the spray orifice of fire-suppressant gas jet pipe spatially of entire protected area and being specifically designed, made
Although the path for obtaining jet pipe is very long, ensure that the gas discharge rate of the ejection of the tail portion and head of jet pipe is roughly the same.
To achieve the goals above, the present invention provides a kind of intelligent fire extinguishing systems, including battery self-extinguishing main control
Case, fire suppression bottle, injection valve, sensor, host power supply, transmission module, fire-suppressant gas jet pipe；The sensor includes that temperature passes
Sensor, smoke sensor device and optical sensor；There is injection valve on fire suppression bottle；Control cabinet connects each sensor and injection valve
Door；Transmission module transmits fire alarm；Host power supply is the power supply of the equipment such as control cabinet；The head end and fire extinguishing of fire-suppressant gas jet pipe
The injection valve of tank is connected, and the other end is extended, and aft end closing forms the space size phase with protected area
Match, there are the multiple spray orifices for spraying extinguishing chemical on each jet pipe, spray orifice distribution in different angles, and with from the head of jet pipe
Aft end is held, the quantity difference of spray orifice or the diameter of spray orifice are different.
Preferably, the quantity of spray orifice is not all as from the head end of jet pipe to aft end, the quantity of spray orifice increases.
Preferably, the diameter of spray orifice is not all as from the head end of jet pipe to aft end, the diameter of spray orifice increases.
Preferably, further include driver's cabin combined aural and visual alarm, be connected to the transmission module.
Preferably, fire-suppressant gas jet pipe covers entire lithium battery box.
Preferably, fire-suppressant gas jet pipe is in " returning " font structure.
Fig. 1: for the installation site figure of intelligent fire extinguishing system of the invention；
Fig. 2: for the principle assumption diagram of intelligent fire extinguishing system of the invention；
Fig. 3: for the jet pipe of intelligent fire extinguishing system of the invention and the schematic diagram of spray orifice.
On-vehicle battery extinguishing device of the invention is installed near vehicle interior lithium battery box as shown in Figure 1:, including control
Case processed, fire suppression bottle, injection valve, sensor, host power supply, transmission module；Sensor is temperature sensor, smoke sensor device with
And optical sensor, there is injection valve, control cabinet connects each sensor and injection valve, and transmission module transmits fire alarm on fire suppression bottle
Signal in order to timely alarm and evacuates passenger, and host power supply is the power supply of the equipment such as control cabinet.Wherein working principle are as follows: 1.
Temperature sensor, temperature reaches a certain fixed value or the rate of climb is accelerated, then it is assumed that alarm.It is common to be set as, 60 °C of reports
5 °C of alarms of rising alert or per second；2. smoke sensor device, when environmental smoke value reaches a certain range alarm；3. light sensing
Device, measures the light of certain wavelength, and necessarily there is light generation in kindling when.On-vehicle battery extinguishing device at work, needs vehicle
Stopping still working, it is therefore desirable to be powered for a long time using Vehicular battery.The present invention by establishing model, using temperature sensor as
It starts switch, is set to lithium battery interior, and other sensors are all in stop working state, when temperature sensor detects temperature
Degree reaches a certain early warning value, for example when 40 °C, starts other sensors, therefore system power dissipation is greatly lowered.
As shown in Figure 2: the control cabinet of on-vehicle battery extinguishing device of the invention is battery self-extinguishing main control box, is connected
Driver's cabin combined aural and visual alarm is connect, by monitoring the multiple temperature sensors of cable connection, gas sensor and smoke sensor device, according to
The detection data of sensor opens the injection valve of fire suppression bottle, and injection valve connects fire-suppressant gas jet pipe, and extinguishing chemical passes through fire extinguishing
Gas spray pipe sprays.Each sensor is set on battery case, and fire-suppressant gas jet pipe covers entire battery case.
As shown in Figure 3: aforementioned intelligent fire extinguishing system includes fire suppression bottle, fire-suppressant gas jet pipe equipped with dry powder fire extinguishing agent, is somebody's turn to do
The head end of fire-suppressant gas jet pipe is connected with the injection valve of fire suppression bottle, and the other end is extended, aft end closing, formed with
The space size of protected area matches, and the pipeline structure of comprehensive fire extinguishing can be carried out to protected area, specifically,
The pipeline structure can be divided into multiple open branches, and other suitable shapes such as surround rectangular-ambulatory-plane.The pipeline structure it is every
On a jet pipe all have spray extinguishing chemical multiple spray orifices, spray orifice distribution in different angles, and with the head end from jet pipe to
The quantity of aft end, spray orifice increases or the diameter of spray orifice increases, although ensureing so that the path of jet pipe is very long
The gas discharge rate of the ejection of the tail portion and head of jet pipe is roughly the same.
Claims (6)
1. a kind of intelligent fire extinguishing system, including battery self-extinguishing main control box, fire suppression bottle, injection valve, sensor, host electricity
Source, transmission module, fire-suppressant gas jet pipe；The sensor includes temperature sensor, smoke sensor device and optical sensor；Fire extinguishing
There is injection valve on tank；Control cabinet connects each sensor and injection valve；Transmission module transmits fire alarm；Host power supply is
The power supply of the equipment such as control cabinet；The head end of fire-suppressant gas jet pipe is connected with the injection valve of fire suppression bottle, and the other end is extended,
Aft end closing, forms and matches with the space size of protected area, has on each jet pipe and sprays the multiple of extinguishing chemical
Spray orifice, spray orifice distribution in different angles, and with from the head end of jet pipe to aft end, the quantity of spray orifice is different or spray orifice
Diameter it is different.
2. intelligent fire extinguishing system as described in claim 1, the quantity of spray orifice is not all with from the head end of jet pipe to tail
The quantity at portion end, spray orifice increases.
3. intelligent fire extinguishing system as described in claim 1, the diameter of spray orifice is not all with from the head end of jet pipe to tail
The diameter at portion end, spray orifice increases.
4. intelligent fire extinguishing system as described in claim 1 further includes driver's cabin combined aural and visual alarm, it is connected to the transmission mould
Block.
5. intelligent fire extinguishing system as described in claim 1, fire-suppressant gas jet pipe covers entire lithium battery box.
6. intelligent fire extinguishing system as described in claim 1, fire-suppressant gas jet pipe is in " returning " font structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810191973.6A CN110237456A (en) | 2018-03-08 | 2018-03-08 | A kind of intelligent fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810191973.6A CN110237456A (en) | 2018-03-08 | 2018-03-08 | A kind of intelligent fire extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110237456A true CN110237456A (en) | 2019-09-17 |
Family
ID=67882261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810191973.6A Pending CN110237456A (en) | 2018-03-08 | 2018-03-08 | A kind of intelligent fire extinguishing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110237456A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1501829A (en) * | 2001-04-12 | 2004-06-02 | ֱ | Portable fire protection apparatus and method using water mist |
| JP2009240745A (en) * | 2008-03-28 | 2009-10-22 | Ohiso:Kk | Automatic fire extinguisher |
| CN203700558U (en) * | 2014-02-27 | 2014-07-09 | 铜陵丰山三佳微电子有限公司 | T-shaped nozzle for electroplatinglead frames |
| CN105561503A (en) * | 2016-02-29 | 2016-05-11 | 四川华川工业有限公司 | Special fire-extinguishing device for power battery pack |
| CN205598471U (en) * | 2016-04-27 | 2016-09-28 | 中汽客汽车零部件（厦门）有限公司 | Safe battery box and safety protection system thereof |
| CN206995646U (en) * | 2017-06-22 | 2018-02-13 | 哲弗智能系统（上海）有限公司 | A kind of on-vehicle battery fire extinguishing structure using mixing extinguishing chemical |
-
2018
- 2018-03-08 CN CN201810191973.6A patent/CN110237456A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1501829A (en) * | 2001-04-12 | 2004-06-02 | ֱ | Portable fire protection apparatus and method using water mist |
| JP2009240745A (en) * | 2008-03-28 | 2009-10-22 | Ohiso:Kk | Automatic fire extinguisher |
| CN203700558U (en) * | 2014-02-27 | 2014-07-09 | 铜陵丰山三佳微电子有限公司 | T-shaped nozzle for electroplatinglead frames |
| CN105561503A (en) * | 2016-02-29 | 2016-05-11 | 四川华川工业有限公司 | Special fire-extinguishing device for power battery pack |
| CN205598471U (en) * | 2016-04-27 | 2016-09-28 | 中汽客汽车零部件（厦门）有限公司 | Safe battery box and safety protection system thereof |
| CN206995646U (en) * | 2017-06-22 | 2018-02-13 | 哲弗智能系统（上海）有限公司 | A kind of on-vehicle battery fire extinguishing structure using mixing extinguishing chemical |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190917 |