CN112439146B - Multi-stage intelligent fire extinguishing system and control method - Google Patents
Multi-stage intelligent fire extinguishing system and control method Download PDFInfo
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- CN112439146B CN112439146B CN202011319042.3A CN202011319042A CN112439146B CN 112439146 B CN112439146 B CN 112439146B CN 202011319042 A CN202011319042 A CN 202011319042A CN 112439146 B CN112439146 B CN 112439146B
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- extinguishing device
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- 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
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- 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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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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Abstract
A multi-stage intelligent fire extinguishing system and a control method thereof are disclosed, the system comprises a first trigger type fire extinguishing device with an outlet connected with a detection pipe, the detection pipe surrounds the surface of each lithium battery module in a lithium battery cabinet, a first smoke sensor, a controller and a second smoke sensor are arranged at the top of the outer wall of the lithium battery cabinet, a first temperature sensor is arranged at the top of the inner cavity of the lithium battery cabinet, a third trigger type fire extinguishing device and an alarm are arranged at the lower end of the outer wall of the lithium battery cabinet, and the second detection device of the third trigger type fire extinguishing device extends into the inner cavity of the lithium battery cabinet; establish temperature sensor two and trigger formula extinguishing device two on the lithium battery module, inside trigger formula extinguishing device two's detection device one deepened lithium battery module, pressure switch was established to the detecting tube other end, this system can improve the validity that intelligent fire extinguishing systems put out a fire, the different use operating mode that combines different equipment, through from inside to outside, the form that multiple mode triggered to intelligent detection logic control through the controller, can carry out hierarchical early warning or the action of putting out a fire according to the state of difference.
Description
Technical Field
The invention relates to the field of intelligent fire extinguishing, in particular to a multi-stage intelligent fire extinguishing system and a control method.
Background
With the continuous enhancement of the fire fighting consciousness of the whole society, the fire fighting device is applied to various fields in life, and the prior common fire fighting device mainly plays a role in extinguishing primary fire and further needs special equipment and personnel to go to the scene for extinguishing fire deeply; according to the fire extinguishing principle, the multi-stage intelligent fire extinguishing system is combined with a scene to be guaranteed to carry out multi-stage intelligent fire extinguishing, and intelligent deep fire extinguishing can be carried out through an automatic control and physical trigger mode. The invention discloses a multilevel intelligent fire extinguishing system and a control method thereof by taking a lithium battery device as a carrier.
Lithium batteries have been widely used in various industries as novel power and energy storage devices, but the biggest obstacle in the development of lithium batteries is that thermal runaway is easy to occur, so that fire fighting devices become a standard for lithium battery equipment; the lithium battery is taken as power equipment and has been generally applied to new energy vehicles, but the lithium battery is applied to the energy storage industry, particularly the mobile energy storage industry, and still just begins; the application of energy storage trade, whole capacity is very big, and fire extinguishing systems's validity is especially important, and the single fire extinguishing systems who puts out a fire to the lithium cell to present can't guarantee the validity that energy memory put out a fire.
Disclosure of Invention
In view of the technical deficiencies, the invention aims to provide a multi-stage intelligent fire extinguishing system and a control method thereof, which can improve the fire extinguishing effectiveness of the intelligent fire extinguishing system, and can perform classified early warning or fire extinguishing actions according to different states by combining different use conditions of different equipment, triggering in various modes from inside to outside and intelligent detection logic control of a controller.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a multistage intelligent fire extinguishing system which comprises a first trigger type fire extinguishing device, wherein an outlet of the first trigger type fire extinguishing device is connected with a detection pipe and provided with a control electromagnetic valve, the detection pipe surrounds the surface of each lithium battery module in a lithium battery cabinet, the top of the outer wall of the lithium battery cabinet is also provided with a first smoke sensor, a controller and a second smoke sensor which are mutually spaced, the top of the inner cavity of the lithium battery cabinet is provided with a first temperature sensor, the lower end of the outer wall of the lithium battery cabinet is provided with a third trigger type fire extinguishing device and an alarm, and the second detection device of the third trigger type fire extinguishing device extends into the inner cavity of the lithium battery cabinet; the lithium battery module is provided with a temperature sensor II and a trigger type fire extinguishing device II, a detection device I of the trigger type fire extinguishing device II extends into the lithium battery module, and one end of the detection tube, which is far away from the trigger type fire extinguishing device I, is provided with a pressure switch; the smoke sensor I, the temperature sensor I, the smoke sensor II, the temperature sensor II, the control electromagnetic valve, the trigger type fire extinguishing device II, the trigger type fire extinguishing device III and the alarm are respectively and electrically connected with the controller; the first detection device and the second detection device both adopt the existing physical temperature sensing devices.
The invention also provides a control method of the multistage intelligent fire extinguishing system, which comprises the following steps: the multi-stage intelligent fire extinguishing system is divided into four priorities:
s1 highest priority; when the interior of the lithium battery module is on fire, the temperature sensor II senses temperature abnormity and then transmits a signal to the controller, and the controller controls the first trigger type fire extinguishing device, the second trigger type fire extinguishing device and the third trigger type fire extinguishing device to jointly execute fire extinguishing action;
s2 secondary priority; when the interior of the lithium battery cabinet is on fire, the first temperature sensor detects that the external temperature rises and transmits a signal to the controller, and the controller controls the first trigger fire extinguishing device and the third trigger fire extinguishing device to jointly execute a fire extinguishing action;
s3 normal priority; when the external part of the lithium battery cabinet is on fire, the smoke sensor I and the smoke sensor II detect external smoke and transmit signals to the controller, and the controller controls the trigger type fire extinguishing device I to perform fire extinguishing action;
s4 additional priority; when the electric control system became invalid when getting on fire in the lithium battery cabinet, detection device one triggered triggering type extinguishing device two and put out a fire, detection device two triggers triggering type extinguishing device three and puts out a fire, and the detecting tube makes triggering type extinguishing device one carry out the action of putting out a fire.
Preferably, for preventing that the smog false positive causes triggering formula extinguishing device one mistake and spouts, smoke transducer one and two parallelly connected controls of smoke transducer, under the condition that smoke transducer one and smoke transducer two all triggered, the controller could start triggering formula extinguishing device one and put out a fire.
Preferably, the controller comprehensively judges and selects the following two modes to act through signals transmitted by the first smoke sensor, the first temperature sensor, the second smoke sensor, the second temperature sensor and the pressure switch:
a. pre-alarming through an alarm, wherein the first trigger type fire extinguishing device, the second trigger type fire extinguishing device and the third trigger type fire extinguishing device do not act;
b. and alarming is carried out through an alarm, and the first trigger type fire extinguishing device, the second trigger type fire extinguishing device and the third trigger type fire extinguishing device act in a combined mode according to the priority.
Preferably, the method for the controller to perform comprehensive judgment is as follows: when the temperature detected by any one of the first temperature sensor and the second temperature sensor reaches the lithium battery temperature early warning point, early warning is carried out according to a mode a; when the temperature detected by any one of the first temperature sensor and the second temperature sensor reaches a lithium battery temperature alarm point or when the first smoke sensor and the second smoke sensor simultaneously detect abnormality, performing fire extinguishing action according to the mode b; if the pressure switch acts, the alarm can be directly triggered to give an alarm; different object early warning points and alarm points are set according to the characteristics of the objects.
The invention has the beneficial effects that: the intelligent fire extinguishing system can improve the effectiveness of fire extinguishing of the intelligent fire extinguishing system, combines different use working conditions of different devices, and can perform classified early warning or fire extinguishing action according to different states through the form of triggering in multiple modes from inside to outside and through intelligent detection logic control of the controller.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a multi-stage intelligent fire extinguishing system according to an embodiment of the present invention;
fig. 2 is an electrical connection diagram of a controller according to an embodiment of the present invention.
Description of reference numerals:
1. a first trigger type fire extinguishing device; 2. controlling the electromagnetic valve; 3. a probe tube; 4. a first smoke sensor; 5. a lithium battery cabinet; 6. a first temperature sensor; 7. a controller; 8. a second smoke sensor; 9. a lithium battery module; 10. a second temperature sensor; 11. a second trigger fire extinguishing device; 12. a first detection device; 13. a pressure switch; 14. a third trigger fire extinguishing device; 15. a second detection device; 16. an alarm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to fig. 2, a multi-stage intelligent fire extinguishing system and a control method thereof include a first triggering type fire extinguishing device 1 with an outlet connected with a detection tube 3 and a control electromagnetic valve 2, wherein the detection tube 3 surrounds the surface of each lithium battery module 9 arranged in a lithium battery cabinet 5, the top of the outer wall of the lithium battery cabinet 5 is also provided with a first smoke sensor 4, a controller 7 and a second smoke sensor 8 which are mutually spaced, the top of the inner cavity of the lithium battery cabinet 5 is provided with a first temperature sensor 6, the lower end of the outer wall of the lithium battery cabinet 5 is provided with a third triggering type fire extinguishing device 14 and an alarm 16, and a second detection device 15 of the third triggering type fire extinguishing device 14 extends into the inner cavity of the lithium battery cabinet 5; a second temperature sensor 10 and a second trigger type fire extinguishing device 11 are arranged on the lithium battery module 9, a first detection device 12 of the second trigger type fire extinguishing device 11 extends into the lithium battery module 9, and a pressure switch 13 is arranged at one end, far away from the first trigger type fire extinguishing device 1, of the detection tube 3; the first smoke sensor 4, the first temperature sensor 6, the second smoke sensor 8, the second temperature sensor 10, the control electromagnetic valve 2, the second trigger fire extinguishing device 11, the third trigger fire extinguishing device 14 and the alarm 16 are respectively electrically connected with the controller 7.
The invention also provides a control method of the multistage intelligent fire extinguishing system, which comprises the following steps: the multi-stage intelligent fire extinguishing system is divided into four priorities:
s1 highest priority; when the lithium battery module 9 is on fire, the temperature sensor II 10 senses temperature abnormity and then transmits a signal to the controller 7, and the controller 7 controls the first trigger fire extinguishing device 1, the second trigger fire extinguishing device 11 and the third trigger fire extinguishing device 14 to jointly execute fire extinguishing action;
s2 secondary priority; when a fire breaks out in the lithium battery cabinet 5, the first temperature sensor 6 detects that the external temperature rises and transmits a signal to the controller 7, and the controller 7 controls the first trigger type fire extinguishing device 1 and the third trigger type fire extinguishing device 14 to jointly perform a fire extinguishing action;
s3 normal priority; when a fire breaks out outside the lithium battery cabinet 5, the smoke sensor I4 and the smoke sensor II 8 detect external smoke and transmit signals to the controller 7, and the controller 7 controls the trigger type fire extinguishing device I1 to perform fire extinguishing action;
s4 additional priority; when getting on fire in lithium battery cabinet 5 electrical system became invalid, two 11 were put out a fire to two 12 trigger formula extinguishing device of detection device, and two 15 trigger formula extinguishing device three 14 were put out a fire to detection device, and the detecting tube 3 makes one 1 execution of trigger formula extinguishing device action of putting out a fire.
The controller 7 comprehensively judges and selects the following two modes to act through signals transmitted by the first smoke sensor 4, the first temperature sensor 6, the second smoke sensor 8, the second temperature sensor 10 and the pressure switch 13:
a. pre-alarming through an alarm 16, and enabling the first trigger type fire extinguishing device 1, the second trigger type fire extinguishing device 11 and the third trigger type fire extinguishing device 14 to be inactive;
b. alarming through an alarm 16, and combining and acting the first trigger type fire extinguishing device 1, the second trigger type fire extinguishing device 11 and the third trigger type fire extinguishing device 14 according to the priority;
when the temperature detected by any one of the first temperature sensor 6 and the second temperature sensor 10 reaches the lithium battery temperature early warning point, early warning is carried out according to a mode a; when the temperature detected by any one of the first temperature sensor 6 and the second temperature sensor 10 reaches a lithium battery temperature alarm point, or when the first smoke sensor 4 and the second smoke sensor 8 simultaneously detect abnormality, performing fire extinguishing action according to the mode b; if the pressure switch 13 acts, the alarm 16 can be directly triggered to alarm; different object early warning points and alarm points are set according to the characteristics of the objects.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (2)
1. A control method of a multistage intelligent fire extinguishing system comprises a first trigger type fire extinguishing device (1) which is connected with a detection pipe (3) through an outlet and provided with a control electromagnetic valve (2), wherein the detection pipe (3) surrounds the surface of each lithium battery module (9) arranged in a lithium battery cabinet (5), a first smoke sensor (4), a controller (7) and a second smoke sensor (8) which are separated from each other are further arranged at the top of the outer wall of the lithium battery cabinet (5), a first temperature sensor (6) is arranged at the top of the inner cavity of the lithium battery cabinet (5), a third trigger type fire extinguishing device (14) and an alarm (16) are arranged at the lower end of the outer wall of the lithium battery cabinet (5), and a second detection device (15) of the third trigger type fire extinguishing device (14) extends into the inner cavity of the lithium battery cabinet (5); a temperature sensor II (10) and a trigger type fire extinguishing device II (11) are arranged on the lithium battery module (9), a detection device I (12) of the trigger type fire extinguishing device II (11) extends into the lithium battery module (9), and a pressure switch (13) is arranged at one end, far away from the trigger type fire extinguishing device I (1), of the detection tube (3); the smoke sensor I (4), the temperature sensor I (6), the smoke sensor II (8), the temperature sensor II (10), the control electromagnetic valve (2), the trigger type fire extinguishing device II (11), the trigger type fire extinguishing device III (14) and the alarm (16) are respectively and electrically connected with the controller (7); the control method is characterized by comprising the following steps:
divide the multistage intelligent fire extinguishing systems into four priorities:
s1 highest priority; when the lithium battery module (9) is on fire, the temperature sensor II (10) senses temperature abnormity and then transmits a signal to the controller (7), and the controller (7) controls the trigger type fire extinguishing device I (1), the trigger type fire extinguishing device II (11) and the trigger type fire extinguishing device III (14) to jointly execute fire extinguishing action;
s2 secondary priority; when the interior of the lithium battery cabinet (5) is on fire, the temperature sensor I (6) detects that the external temperature rises and transmits signals to the controller (7), the controller (7) controls the trigger type fire extinguishing device I (1), and the trigger type fire extinguishing device III (14) jointly executes fire extinguishing action;
s3 normal priority; when the outside of the lithium battery cabinet (5) is on fire, the smoke sensor I (4) and the smoke sensor II (8) detect external smoke and transmit signals to the controller (7), and the controller (7) controls the trigger type fire extinguishing device I (1) to perform fire extinguishing action;
s4 additional priority; when an electric control system fails in a fire in the lithium battery cabinet (5), the first detection device (12) triggers the second trigger type fire extinguishing device (11) to extinguish a fire, the second detection device (15) triggers the third trigger type fire extinguishing device (14) to extinguish a fire, and the detection pipe (3) enables the first trigger type fire extinguishing device (1) to execute a fire extinguishing action; wherein:
the controller (7) comprehensively judges and selects the following two modes to act through signals transmitted by the smoke sensor I (4), the temperature sensor I (6), the smoke sensor II (8), the temperature sensor II (10) and the pressure switch (13):
a. pre-alarming is carried out through an alarm (16), and the first trigger type fire extinguishing device (1), the second trigger type fire extinguishing device (11) and the third trigger type fire extinguishing device (14) do not act;
b. alarming is carried out through an alarm (16), and the first trigger type fire extinguishing device (1), the second trigger type fire extinguishing device (11) and the third trigger type fire extinguishing device (14) are combined to act according to the priority;
the method for the controller (7) to carry out comprehensive judgment comprises the following steps: when the temperature detected by any one of the first temperature sensor (6) and the second temperature sensor (10) reaches the lithium battery temperature early warning point, early warning is carried out according to a mode a; and when the temperature detected by any one of the first temperature sensor (6) and the second temperature sensor (10) reaches a lithium battery temperature alarm point or when the first smoke sensor (4) and the second smoke sensor (8) simultaneously detect abnormality, performing fire extinguishing action according to the mode b.
2. The control method of the multistage intelligent fire extinguishing system according to claim 1, characterized in that, in order to prevent the false alarm of smoke from causing the false spraying of the first triggered fire extinguishing device (1), the first smoke sensor (4) and the second smoke sensor (8) are controlled in parallel, and the controller (7) can start the first triggered fire extinguishing device (1) to extinguish fire under the condition that the first smoke sensor (4) and the second smoke sensor (8) are both triggered.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011319042.3A CN112439146B (en) | 2020-11-23 | 2020-11-23 | Multi-stage intelligent fire extinguishing system and control method |
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| CN202011319042.3A CN112439146B (en) | 2020-11-23 | 2020-11-23 | Multi-stage intelligent fire extinguishing system and control method |
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| CN112439146B true CN112439146B (en) | 2022-07-22 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8752640B1 (en) * | 2010-08-18 | 2014-06-17 | ULD Fire Systems, LLC | Method for detecting and suppressing fire in a container |
| CN109432634B (en) * | 2018-10-08 | 2020-08-28 | 中国科学技术大学 | Fire fighting method of container type lithium ion battery energy storage system |
| CN210608081U (en) * | 2019-10-12 | 2020-05-22 | 贵州蜂能科技发展有限公司 | Electric power cabinet that can put out a fire automatically |
| CN111228689A (en) * | 2020-03-23 | 2020-06-05 | 浙江蓝盾电工新材料科技有限公司 | Lithium battery energy storage fire extinguishing system with point-to-point repeated quick response |
| CN111481859A (en) * | 2020-06-11 | 2020-08-04 | 广西锐盾科技有限公司 | Fire suppression and intelligent monitoring protection integrated device for power distribution cabinet |
| CN111569323A (en) * | 2020-06-11 | 2020-08-25 | 浙江蓝盾电工新材料科技有限公司 | Open many times and stop controllable lithium cell energy storage fire extinguishing systems |
| CN111790083A (en) * | 2020-07-13 | 2020-10-20 | 烟台创为新能源科技股份有限公司 | Early warning and fire extinguishing system and method for thermal runaway of lithium ion battery |
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Effective date of registration: 20210803 Address after: 201611 No. 3332, Shengang Road, Songjiang District, Shanghai Applicant after: SHANGHAI GRAMAN INTERNATIONAL FIRE EQUIPMENT Co.,Ltd. Address before: 221000 No.19, baoliansi Road, Xuzhou Economic and Technological Development Zone, Xuzhou City, Jiangsu Province Applicant before: XUZHOU HAILUNZHE SPECIAL VEHICLE Co.,Ltd. |
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