CN108744349B - Fire suppression apparatus, systems and methods - Google Patents
Fire suppression apparatus, systems and methods Download PDFInfo
- Publication number
- CN108744349B CN108744349B CN201810791679.9A CN201810791679A CN108744349B CN 108744349 B CN108744349 B CN 108744349B CN 201810791679 A CN201810791679 A CN 201810791679A CN 108744349 B CN108744349 B CN 108744349B
- Authority
- CN
- China
- Prior art keywords
- fire
- extinguished
- fire extinguishing
- fighting
- battery pack
- 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.)
- Active
Links
Images
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
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
Landscapes
- 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 relates to a fire extinguishing device, a fire extinguishing system and a fire extinguishing method, wherein the fire extinguishing device comprises a main fire fighting pipe, more than one fire fighting branch pipe, a fire extinguishing box body corresponding to each fire fighting branch pipe and an object to be extinguished, wherein the fire fighting branch pipes are connected to the main fire fighting pipe and extend into the corresponding fire extinguishing box bodies; every the box of putting out a fire corresponds one and waits to put out a fire the thing for the thing of putting out a fire that waits to put out a fire that corresponds, the box of putting out a fire is fixed on the surface that corresponds the thing of putting out a fire, the box of putting out a fire is kept away from and is waited to put out a fire thing surface one end and be enclosed construction, is close to and waits to put out a fire thing one end and be hollow structure, and with wait to put out a fire thing sealing connection, the box of putting out a fire with wait to. The invention can not only quickly and effectively extinguish fire for a single object to be extinguished, but also control the fire condition of the single object to be extinguished without influencing other objects to be extinguished, thereby effectively preventing the fire condition from spreading.
Description
Technical Field
The invention relates to the technical field of battery fire extinguishing, in particular to a fire extinguishing device, a fire extinguishing system and a fire extinguishing method.
Background
With the continuous development of electric vehicles, the holding capacity of new energy vehicles is increasing, and power batteries can be used for supplying energy to the electric vehicles, so that the holding capacity of the power batteries is also increasing. Most of power batteries of the existing electric automobile are lithium ion batteries, and a large number of lithium ion batteries can be stored in a lithium ion battery warehouse; the lithium ion battery eliminated from the electric vehicle can be used as a battery for gradient utilization and stored in a lithium ion battery energy storage station.
Because a large amount of lithium ion batteries have been placed in lithium ion battery warehouse, lithium ion battery energy storage station, consequently, when the condition of a fire appears in the battery, can bring very big potential safety hazard for lithium ion battery warehouse and lithium ion battery energy storage station. In particular, the lithium ion battery energy storage station generally stores batteries which are utilized in an echelon manner, so that the accident occurrence probability of the lithium ion battery energy storage station is greatly improved compared with that of a new battery. And the batteries in the places are also densely placed, and when one battery catches fire, the batteries are easy to spread to other batteries. Similarly, many fire extinguishing scenes similar to the above-mentioned modes are easy to spread to other fire extinguishing objects after one fire extinguishing object catches fire, so how to effectively extinguish the fire extinguishing object to burn, and meanwhile, the fire spreading can be effectively controlled in the fire extinguishing process, which is a technical problem to be solved urgently.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a fire extinguishing device, a fire extinguishing system and a fire extinguishing method, which can not only extinguish the burning of the object to be extinguished quickly and effectively, but also control the fire condition of a single object to be extinguished without affecting other objects to be extinguished, thereby effectively preventing the fire condition from spreading.
In order to solve the technical problem, according to a first aspect of the embodiments of the present invention, there is provided a fire extinguishing apparatus, including a main fire fighting pipe, more than one branch fire fighting pipes, and a fire extinguishing box corresponding to each branch fire fighting pipe and an object to be extinguished, wherein the branch fire fighting pipes are connected to the main fire fighting pipe and extend into the corresponding fire extinguishing box;
every the box of putting out a fire corresponds one and waits to put out a fire the thing for the thing of putting out a fire that waits to put out a fire that corresponds, the box of putting out a fire is fixed on the surface that corresponds the thing of putting out a fire, the box of putting out a fire is kept away from and is waited to put out a fire thing surface one end and be enclosed construction, is close to and waits to put out a fire thing surface one end and be hollow structure, and with wait to put out a fire thing sealing connection, the box of putting out a fire with wait to put.
Furthermore, the outer perimeter of one end, close to the surface of the object to be extinguished, of the fire extinguishing box body is less than or equal to the outer perimeter of the object to be extinguished, and each side, close to one end of the surface of the object to be extinguished, of the fire extinguishing box body is hermetically fixed on the surface of the object to be extinguished.
Furthermore, the object to be extinguished is a battery pack and comprises a battery pack shell and a battery module arranged in the battery pack shell, and a gap is formed between the battery module and the inner wall of each side of the battery pack shell;
each side of the fire extinguishing box body close to one end of the surface of the battery pack is a narrow side, each narrow side corresponds to one side of the battery pack, the width of each narrow side is not more than the width of the gap corresponding to one side of the battery pack corresponding to the narrow side, and the narrow sides are fixed in the projection perpendicular to the surface of the battery pack along the corresponding gap, so that the projection perpendicular to the surface of the battery pack along the battery module is completely located in the fire extinguishing space, wherein the width of each narrow side is the width of the narrow side perpendicular to one side of the corresponding battery pack along the narrow side, and the width of the gap is the width of the gap perpendicular to one side of the corresponding battery pack along the narrow side.
Furthermore, each side of one end of the fire extinguishing box body, which is close to the surface of the object to be extinguished, is hermetically fixed on the surface of the object to be extinguished in a bonding, pressing, welding or riveting mode.
Furthermore, the outer perimeter of one end, close to the surface of the object to be put out, of the fire extinguishing box body is larger than the outer perimeter of the corresponding object to be put out, the object to be put out is embedded into the fire extinguishing box body, a sealing strip is arranged at the joint of the object to be put out and the fire extinguishing box body, and the fire extinguishing box body is connected with the object to be put out in a sealing mode.
Furthermore, the object of putting out a fire is the battery package to battery package surface is regarded as the bottom surface, seted up the louvre on at least one side around the box of putting out a fire for dispel the heat and the pressure release when burning through battery package surface.
Further, the fire branch pipe is followed the louvre extends into inside the box of putting out a fire, perhaps the fire branch pipe is followed the through-hole that the box top of putting out a fire was seted up extends into inside the box of putting out a fire, the fire branch pipe with through-hole kneck sealing connection.
Furthermore, the fire branch pipe is tightly attached to the top of the fire extinguishing box body.
Further, extinguishing device still includes the fire sprinkler head, connects on the fire branch pipe, every connect more than one on the fire branch pipe the fire sprinkler head, the fire sprinkler head includes temperature-sensing portion, temperature-sensing portion is used for the perception temperature in the space of putting out a fire starts when being higher than first predetermined temperature the fire sprinkler head.
Furthermore, fire extinguishing agent is stored in the fire main pipe, the fire main pipe is used for conveying the fire extinguishing agent, will the fire extinguishing agent passes through the fire branch pipe, sprays to put out a fire at the corresponding thing surface of waiting to put out a fire.
Furthermore, the fire extinguishing agent is water, and the object to be extinguished is a battery pack.
Further, the fire-fighting main pipe is connected with a fire-fighting pipeline or a fire-fighting water tank.
Furthermore, the fire extinguishing device also comprises a water level control switch which is arranged on the fire fighting pipeline or the fire fighting water tank and used for controlling the water supply amount.
Furthermore, the water level control switch is also used for controlling the water supply amount of the corresponding fire branch pipe according to the water supply amount required by each object to be extinguished, determining the total water supply amount according to the required water supply amount of all the objects to be extinguished, and controlling the total water supply amount of the fire pipeline or the fire water tank according to the total water supply amount.
According to a second aspect of the embodiments of the present invention, there is provided a fire extinguishing method based on the fire extinguishing apparatus, including the steps of:
after the object to be extinguished is detected to meet the extinguishing demand, controlling the fire branch pipe corresponding to the object to be extinguished to convey the extinguishing agent from the main fire fighting pipe;
the fire extinguishing branch pipe sprays the fire extinguishing agent into the fire extinguishing space to extinguish fire.
Furthermore, the object to be extinguished is a battery pack, the surface of the battery pack is taken as the bottom surface, at least one side surface of the periphery of the extinguishing box body is provided with heat dissipation holes,
the method further comprises the step of dissipating heat and relieving pressure through the heat dissipation holes when the surface of the battery pack is burnt through.
Furthermore, the fire extinguishing agent is water, the object to be extinguished is a battery pack,
the fire extinguishing branch pipe sprays the fire extinguishing agent into the fire extinguishing space to extinguish fire, and the fire extinguishing branch pipe comprises the following steps:
the fire-fighting branch pipe sprays water to the fire-fighting space, the water is accumulated on the surface of the battery pack, the water flows into the battery pack through the holes burnt on the surface of the battery pack, the combustion reaction is diluted and cooled, and the reaction rate is reduced until the combustion reaction is terminated.
Furthermore, more than one fire-fighting spray header is connected to each fire-fighting branch pipe, each fire-fighting spray header comprises a temperature sensing part,
the method further comprises the step of starting the fire sprinkler head to spray the fire extinguishing agent when the temperature sensing part senses that the temperature in the fire extinguishing space is higher than a first preset temperature.
Furthermore, the fire-fighting main pipe is connected with a fire-fighting pipeline or a fire-fighting water tank,
the method further comprises the following steps:
controlling the water supply amount of the corresponding fire branch pipe according to the water supply amount required by each object to be extinguished;
and controlling the total water supply amount of the fire fighting pipeline or the fire fighting water tank according to the required water supply amount of all the objects to be extinguished.
According to a third aspect of embodiments of the present invention, there is provided a battery fire extinguishing system for a battery energy storage station or a battery storage device, the fire extinguishing system comprising the fire extinguishing device, a smoke exhaust fan and a sensor, the fire extinguishing device, the smoke exhaust fan and the sensor being independently provided,
the sensors are arranged at positions close to the heat dissipation holes in the fire extinguishing box body and comprise smoke sensing sensors for sensing smoke concentration;
the smoke exhaust fan is used for starting and exhausting smoke when the smoke concentration sensed by the smoke sensor exceeds the preset smoke concentration.
The fire extinguishing device is used for extinguishing fire for the object to be extinguished.
According to a fourth aspect of the embodiments of the present invention, there is provided a fire extinguishing method based on the fire extinguishing system, including the steps of:
the object to be extinguished burns, the dense smoke is sprayed out of the extinguishing box body,
when the smoke sensor senses that the smoke concentration reaches the preset smoke concentration, the smoke exhaust fan is started to exhaust smoke;
the fire extinguishing device extinguishes the fire of the burning object to be extinguished.
Compared with the prior art, the invention has obvious advantages and beneficial effects. By means of the technical scheme, the fire extinguishing device, the fire extinguishing system and the fire extinguishing method can achieve considerable technical progress and practicability, have wide industrial utilization value and at least have the following advantages:
(1) the invention adopts the mode that the fire extinguishing box body is tightly combined with the object to be extinguished, quickly and effectively extinguishes the fire of the single object to be extinguished, and improves the fire extinguishing efficiency.
(2) The invention has simple structure and low cost, can arrange a fire extinguishing box body on each object to be extinguished, and can ensure that open fire and heat radiation are all in the fire extinguishing box body due to the action of the fire extinguishing box body, thereby not influencing other batteries.
(3) Due to the separation effect of the fire extinguishing box body, one object to be extinguished cannot spread to other objects to be extinguished after the fire is started, the fire is effectively prevented from spreading, and the fire extinguishing box is safe and reliable.
(4) The fire extinguishing box body can be set to be in a size according to the actual height of the battery rack, is high in flexibility, and is suitable for various types of battery storage spaces.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 provides a schematic view of a fire suppression apparatus according to an embodiment of the present invention;
fig. 2(a) is an inverted schematic view of a fire extinguishing chamber of the fire extinguishing apparatus according to an embodiment of the present invention;
FIG. 2 (b) is a schematic structural diagram of a fire extinguishing apparatus according to an embodiment of the present invention after combining a fire extinguishing chamber and an object to be extinguished;
FIG. 3 provides a schematic view of a fire suppression system according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a fire suppression process of the fire suppression system according to an embodiment of the present invention.
Description of the symbols:
1: the fire hose 2: fire branch pipe
3: and 4, fire extinguishing box body: object to be extinguished
5: fire extinguishing space 6: heat dissipation hole
7: fire sprinkler head 8: temperature sensing part
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments and effects of a fire extinguishing apparatus, system and method according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
The embodiment of the invention provides a fire extinguishing device, which comprises a main fire fighting pipe 1, more than one branch fire fighting pipe 2, a fire extinguishing box body 3 corresponding to each branch fire fighting pipe 2 and an object to be extinguished 4, wherein the branch fire fighting pipes 2 are connected to the main fire fighting pipe 1 and extend into the corresponding fire extinguishing box bodies 3, as shown in figure 1. Every the box 3 of putting out a fire corresponds one and waits to put out a fire thing 4 for the thing 4 of putting out a fire of waiting to put out a fire of correspondence, the box 3 of putting out a fire is fixed and is corresponding the surface of waiting to put out a fire thing 4, and the box 3 of putting out a fire is kept away from the surperficial one end of waiting to put out a fire thing 4 and is the enclosed construction, is close to and waits to put out a fire thing 4 one end and be hollow structure, and with wait to put out a fire thing 4 sealing connection, put out a fire box 3 and wait to put out a fire thing 4 surface composition and put out a fire.
The combination of the fire extinguishing chamber 3 and the object 4 to be extinguished may include the following two types:
in a first way,
The outer perimeter of one end of the fire extinguishing box body 3 close to the surface of the object 4 to be extinguished is less than or equal to the outer perimeter of the object 4 to be extinguished, and each edge of one end of the fire extinguishing box body 3 close to the surface of the object 4 to be extinguished is hermetically fixed on the surface of the object 4 to be extinguished. Each side of the fire extinguishing box 3 near one end of the surface of the object 4 to be extinguished can be fixed on the surface of the object 3 to be extinguished by means of adhesion, pressing, welding or riveting, so as to tightly combine the fire extinguishing box 3 and the surface of the object 4 to be extinguished, as shown in fig. 2(a) and 2 (b), but it is understood that the fixing connection manner is not limited to the above example, and can be adjusted in practical application.
As an example, the object 4 to be extinguished is a battery pack including a battery pack case and one or more battery modules disposed inside the battery pack case, and a gap is formed between the battery module and an inner wall of each side of the battery pack case.
The box of putting out a fire is close to 3 peripheral girths less than or equal to battery package of battery package surface one end, and puts out a fire box 3 and is all narrow limits near each limit of battery package surface one end, and the narrow limit is sealed to be fixed on corresponding battery package surface, the width on narrow limit is not more than the clearance to make all battery modules all correspond in the space of putting out a fire 5, all battery modules extend towards the space of putting out a fire promptly, all can extend into the space of putting out a fire 5 in, thereby guarantee no matter which battery module is on fire, the homoenergetic puts out a fire in the space of putting out a fire 5 insidely. Each narrow limit is corresponding with one side of battery package, and the width of state narrow limit is not more than the width in the clearance that one side of the battery package that this narrow limit corresponds to make all battery module along the projection on perpendicular to battery package surface all fall in fire extinguishing space 5, can guarantee like this that battery module spun flame or the jet when burning through battery package surface all can spray in fire extinguishing space 5. The width of the narrow edge is the width of the narrow edge perpendicular to one side of the corresponding battery pack, and the width of the gap is the width of the gap perpendicular to one side of the corresponding battery pack. It is to be understood that the above description is merely exemplary and that the fire to be extinguished is not limited to the battery pack.
The second way,
The outer perimeter that will put out a fire box 3 and be close to the thing surface one end of waiting to put out a fire sets up to be greater than the outer perimeter that corresponds the thing 4 of waiting to put out a fire, adopts the sleeve form to put out a fire box 3 and the thing 4 of waiting to put out a fire combines together, specifically, waits to put out a fire 4 embedding and puts out a fire among the box 3, then can set up the sealing strip in the thing 4 of waiting to put out a fire and the box 3 junction of putting out a fire, or adopts other sealed forms, will put out a fire box 3 with the thing 4 sealing connection of waiting to put out a fire, specifically, can increase the sealing strip in the inboard bottom of the box 3.
The above two forms are just two examples, and other forms that can seal and combine the surfaces of the fire extinguishing box body 3 and the object 4 to be extinguished, and form the fire extinguishing space 5 on the object 4 to be extinguished are also applicable.
The object 4 to be extinguished is taken as a battery pack as an example, the surface of the battery pack is taken as a bottom surface, and at least one side surface of the periphery of the fire extinguishing box body 3 is provided with heat dissipation holes 6 for heat dissipation and pressure relief when the surface of the battery pack is burnt through. As an example, assuming that the fire extinguishing box 3 is a rectangular parallelepiped structure, it can be understood that the fire extinguishing box is a rectangular parallelepiped structure with a flat top at the upper part and no box bottom, and it should be noted that one end close to the surface of the battery pack is taken as a bottom. The two side surfaces which are arranged face to face can be respectively provided with a heat dissipation hole 6, so that air circulation is easy, and when the surface of the battery pack is burnt through, the heat dissipation holes 6 can also play a role in pressure relief.
As an example, the heat dissipation holes 6 may be rectangular, in practical applications, one or more heat dissipation holes may be selectively set on one or more side surfaces according to specific requirements, and the shape and size of the heat dissipation holes are not particularly limited, and may be set according to the specific shape, size and application requirements of the fire extinguishing box 3. The fire extinguishing box body can be made of high-melting-point and high-strength materials, is not easy to deform and corrode, and can be made of stainless steel materials, for example.
As an example, the fire branch 2 extends from the heat dissipation hole 6 into the interior of the fire extinguishing chamber body 3. As an example, the heat dissipation holes 6 can be arranged on the side surface of the box body close to the top, namely, one end of the side surface of the battery pack is far away from one end, so that the fire branch pipe 2 is arranged close to the top of the fire extinguishing box body 3, and the fire extinguishing effect is improved.
As another kind of example, fire branch pipe 2 still can stretch into 3 insides of putting out a fire box from the through-hole that 3 tops of putting out a fire were seted up, and fire branch pipe 2 and through-hole kneck sealing connection, fire branch pipe 2 also can hug closely in 3 tops of putting out a fire box setting, improve the fire control effect.
Extinguishing device still includes fire sprinkler head 7, connect on fire branch 2, connect more than one fire sprinkler head 7 on every fire branch 2, fire sprinkler head 7 includes temperature-sensing portion 8, temperature-sensing portion 8 is used for the temperature in the perception fire extinguishing space 5, when being higher than first predetermined temperature, start fire sprinkler head 7, wherein, first predetermined temperature is decided according to temperature-sensing portion 8, for example, temperature-sensing portion 8 can include the solenoid valve, first predetermined temperature can set up to 68 degrees, when the temperature in the fire extinguishing space 5 reaches 68, solenoid valve closed control fire sprinkler head 7 begins fire extinguishing agent and erupts. The temperature sensing portion 8 may be made of a fast melting type material, and the first predetermined temperature may be set to 50 degrees.
The fire extinguishing agent is stored in the main fire fighting pipe 1, the main fire fighting pipe 1 is used for conveying the fire extinguishing agent, and the fire extinguishing agent is sprayed on the surface of the corresponding object to be extinguished 4 to extinguish fire through the branch fire fighting pipe 2. The specific composition of the fire extinguishing agent is set according to the object 4 to be extinguished. As an example, the object 4 to be extinguished may be a battery pack and the extinguishing agent may be water. According to the fire extinguishing resource characteristics owned by the geographical position set by the fire extinguishing device, the fire hose 1 can be connected with a fire pipeline or a fire water tank, for example, in a place where fire fighting facilities are mature, the fire hose 1 can be directly connected with the fire pipeline, and in a place without the fire pipeline, the fire water tank can be directly arranged, and then the fire hose 1 is connected with the fire water tank, and it can be understood that the minimum storage capacity of the fire water tank is not less than or equal to the water consumption of a single object to be extinguished for extinguishing fire at one time.
In order to prevent the loss caused by excessive water supply or cause the short circuit of circuit equipment and other hidden troubles, a water level control switch can be arranged, the corresponding water level control switch is arranged according to the characteristics of a fire-fighting water source, the water level control switch is also used for controlling the water supply amount of the corresponding fire-fighting branch pipe 2 according to the required water supply amount of each object 4 to be extinguished, the water supply total amount is determined according to the required water supply amount of all the objects 4 to be extinguished, and the water supply total amount of a fire-fighting pipeline or a fire-fighting water tank is controlled according to the. For example, when the fire main 1 is connected to a fire pipeline, the water level control switch is a flow meter, and the flow rate is controlled by a device such as a flow meter. If the fire-fighting water tank is used for supplying water, the water level control switch can be a water level control device such as a floating ball and the like to control the water flow.
Based on the fire extinguishing apparatus provided by the embodiment of the invention, the fire extinguishing method provided by the embodiment of the invention comprises the following steps:
step S11, after the object 4 to be extinguished is detected to meet the extinguishing demand, the fire branch pipe 2 corresponding to the object 4 to be extinguished is controlled to convey the extinguishing agent from the main fire pipe 1, and the extinguishing agent is specifically set according to the type of the object to be extinguished.
By way of example, whether the fire extinguishing requirement is met can be judged by setting sensors to sense corresponding parameters, such as temperature sensors, smoke sensors and the like, and the setting can be selected according to specific situations.
Step S12, the fire extinguishing branch pipe 2 sprays the fire extinguishing agent into the fire extinguishing space 5 to extinguish fire.
Because can put out a fire in the space 5 of putting out a fire completely, make naked light, the heat radiation is all inside the box of putting out a fire, can not exert an influence to other 4 objects of putting out a fire. In addition, due to the separation effect of the fire extinguishing box body 3, one object 4 to be extinguished cannot spread to other objects 4 to be extinguished after the fire is started, so that the fire is effectively prevented from spreading, and the fire extinguishing box is safe and reliable.
As an example, the object 4 to be extinguished is a battery pack, the surface of the battery pack is used as a bottom surface, and at least one side surface of the periphery of the extinguishing box 3 is provided with heat dissipation holes 6, and the method further includes step S13, when the surface of the battery pack is burned through, the heat dissipation holes 6 are used for dissipating heat and releasing pressure, so as to improve the extinguishing effect.
As an example, the fire extinguishing agent is water, and the corresponding fire to be extinguished is a battery pack, wherein the battery pack may be a lithium ion battery pack, and the step S12 includes the following steps:
the fire branch pipe 2 sprays water to the fire extinguishing space 5, the water is accumulated on the surface of the battery pack, the water flows into the interior of the battery pack through the holes burnt through on the surface of the battery pack, the combustion reaction is diluted and cooled, and the reaction rate is reduced until the combustion reaction is terminated.
As an example, more than one fire sprinkler head 7 may be connected to each fire branch pipe 2, the fire sprinkler head includes a temperature sensing portion 8, and the method further includes step S14, when the temperature sensing portion senses that the temperature in the fire extinguishing space 5 is higher than the first preset temperature, the fire sprinkler head 7 is activated to spray the fire extinguishing agent.
As an example, the fire main 2 is connected to a fire pipeline or a fire water tank, and the method further includes:
step S15, controlling the water supply amount of the corresponding fire branch pipe according to the water supply amount required by each object to be extinguished;
and step S16, controlling the total water supply amount of the fire fighting pipeline or the fire fighting water tank according to the required water supply amount of all the objects to be extinguished.
Through the water supply of effective control fire-stopping branch pipe and the water supply total amount of fire-fighting pipeline or fire water tank, can effectively prevent to supply water excessively and cause the loss, or arouse hidden danger such as circuit equipment short circuit, improved the security and the reliability of putting out a fire.
The embodiment of the invention also provides a battery fire extinguishing system which can be used for a battery energy storage station or a battery storage device, wherein the battery storage device can be a battery bin, a battery rack and the like. The battery fire extinguishing system comprises the fire extinguishing device, the smoke exhaust fan and the sensor, wherein the fire extinguishing device, the smoke exhaust fan and the sensor are respectively and independently arranged.
Wherein, the sensor can be located the position of being close to louvre 6 on the box of putting out a fire, including temperature sensor and smoke sensor etc. for perception temperature and smog concentration. The smoke exhaust fan is used for starting and exhausting smoke when the smoke concentration sensed by the smoke sensor exceeds the preset smoke concentration; it should be noted that, in order to ensure timely smoke evacuation, the preset smoke concentration value is usually set to be low, and the smoke evacuation fan is started when the smoke sensor senses the smoke sensing action. The smoke exhaust fan can select a fan corresponding to the smoke exhaust amount according to the characteristics of the battery. The fire extinguishing device is used for extinguishing fire for the burning objects 4 to be extinguished, not only can extinguish the fire of the single objects 4 to be extinguished, but also can effectively prevent the fire from spreading.
As shown in fig. 3, as an example, the fire extinguishing apparatus is disposed on a battery rack, a fire extinguishing box 3 is disposed on the surface of each object 4 to be extinguished, and the fire extinguishing box 3 and the object 4 to be extinguished are respectively fixed by the battery rack structure, and the fire extinguishing box 3 is pressed against the surface of the object 4 to be extinguished, so that the two are tightly combined.
Taking the fire extinguishing system shown in fig. 3 as an example, the object 4 to be extinguished is a battery pack, and the fire extinguishing process is shown in fig. 4 and specifically described as follows: after one of the battery packs of the battery rack is burnt, a certain amount of dense smoke can be sprayed out of the heat dissipation holes 6 and is known by the smoke sensor, and when the smoke concentration reaches the preset smoke concentration, the smoke exhaust fan is started. When the upper surface of the battery pack is burnt through, high-temperature flue gas is sprayed from the burnt holes. The inside temperature-sensing portion 8 of fire sprinkler head 7 that is located 3 tops of box of putting out a fire, in this example, temperature-sensing portion 8 is the glass ball, be filled with the organic solution that coefficient of thermal expansion is high in the glass ball, under the normal atmospheric temperature, the spheroidal shell of glass can bear certain holding power, guarantee the sealing performance of shower nozzle, receive the high temperature that is higher than first predetermined temperature, organic solution expands rapidly, the glass ball breaks, the sealing member loses to be separated by rivers after supporting, the glass ball is heated and is broken the shower head and open, water is from 7 blowout of shower head, and upper surface at the battery package accumulates. Because the combustion of the battery pack is not completely uniform and constant-pressure injection of combustion products and reactants through the burnt holes, water can enter the battery pack to dilute and cool the combustion reaction. The reaction rate is rapidly reduced until the reaction is terminated, so that the fire condition of the battery pack is extinguished, the whole fire extinguishing process is in the fire extinguishing space 5, namely, open fire and radiation are in the fire extinguishing box body 3, other battery packs cannot be influenced, and the fire is effectively prevented from spreading.
Based on the fire extinguishing system provided by the embodiment of the invention, the embodiment of the invention also provides a fire extinguishing method, which comprises the following steps:
step S21, burning the object 4 to be extinguished, and ejecting dense smoke from the heat dissipation holes 6 of the fire extinguishing box body 3;
step S22, when the smoke sensor senses that the smoke concentration reaches the preset smoke concentration, starting a smoke exhaust fan to exhaust smoke;
and step S23, the fire extinguishing device extinguishes the fire to be extinguished after the combustion.
The specific fire extinguishing manner of step S23 can adopt all the embodiments of the fire extinguishing method based on the fire extinguishing apparatus described in the embodiments of the present invention, and will not be described herein again.
The fire extinguishing device, the fire extinguishing system and the fire extinguishing method provided by the embodiment of the invention adopt a mode that the fire extinguishing box body is tightly combined with the object 4 to be extinguished, so that the fire condition of the single object 4 to be extinguished can be quickly and effectively extinguished, and the fire extinguishing efficiency is improved. The fire extinguishing device is simple in structure and low in cost, and can be used for setting a fire extinguishing box body 3 for each object 4 to be extinguished, and due to the effect of the fire extinguishing box body 3, open fire and heat radiation are all arranged in the fire extinguishing box body, so that the other objects 4 to be extinguished cannot be influenced. In addition, due to the separation effect of the fire extinguishing box body 3, the battery cannot spread to other objects to be extinguished 4 after the battery is on fire, so that the fire is effectively prevented from spreading, and the fire extinguishing box is safe and reliable. The fire extinguishing box body 3 can be set to be in a size according to the actual height of the battery rack, is high in flexibility and is suitable for various types of battery storage spaces.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (21)
1. A fire extinguishing apparatus, characterized in that: the fire-fighting branch pipe comprises a fire-fighting main pipe, more than one fire-fighting branch pipe, a fire-fighting box body corresponding to each fire-fighting branch pipe and an object to be extinguished, wherein the fire-fighting branch pipes are connected to the fire-fighting main pipe and extend into the corresponding fire-fighting box bodies;
each fire extinguishing box body corresponds to an object to be extinguished and is used for extinguishing the fire for the corresponding object to be extinguished, the fire extinguishing box body is fixed on the surface corresponding to the object to be extinguished, one end, far away from the surface of the object to be extinguished, of the fire extinguishing box body is of a closed structure, one end, close to the surface of the object to be extinguished, of the fire extinguishing box body is of a hollow structure and is in sealing connection with the object to be extinguished, and the fire extinguishing box body and the surface of the object to be extinguished form a fire extinguishing space;
the fire extinguishing agent sprayed by the fire branch pipe can flow into the interior of the object to be extinguished through the holes burnt through the surface of the object to be extinguished.
2. The fire suppression apparatus of claim 1, wherein:
the outer perimeter of one end, close to the surface of the object to be extinguished, of the fire extinguishing box body is less than or equal to the outer perimeter of the object to be extinguished, and each edge, close to one end, of the surface of the object to be extinguished, of the fire extinguishing box body is fixed on the surface of the object to be extinguished in a sealing mode.
3. The fire suppression apparatus of claim 2, wherein:
the object to be extinguished is a battery pack and comprises a battery pack shell and a battery module arranged in the battery pack shell, wherein a gap is formed between the battery module and the inner wall of each side of the battery pack shell;
each side of the fire extinguishing box body close to one end of the surface of the battery pack is a narrow side, each narrow side corresponds to one side of the battery pack, the width of each narrow side is not more than the width of the gap corresponding to one side of the battery pack corresponding to the narrow side, and the narrow sides are fixed in the projection perpendicular to the surface of the battery pack along the corresponding gap, so that the projection perpendicular to the surface of the battery pack along the battery module is completely located in the fire extinguishing space, wherein the width of each narrow side is the width of the narrow side perpendicular to one side of the corresponding battery pack along the narrow side, and the width of the gap is the width of the gap perpendicular to one side of the corresponding battery pack along the narrow side.
4. A fire extinguishing apparatus according to claim 2 or 3, wherein:
and each side of one end of the fire extinguishing box body, which is close to the surface of the object to be extinguished, is hermetically fixed on the surface of the object to be extinguished in a bonding, pressing, welding or riveting mode.
5. The fire suppression apparatus of claim 1, wherein:
the fire extinguishing box is characterized in that the outer perimeter of one end, close to the surface of the object to be extinguished, of the fire extinguishing box body is larger than the outer perimeter of the corresponding object to be extinguished, the object to be extinguished is embedded into the fire extinguishing box body, a sealing strip is arranged at the joint of the object to be extinguished and the fire extinguishing box body, and the fire extinguishing box body is connected with the object to be extinguished in a sealing mode.
6. The fire suppression apparatus of claim 1, wherein:
the object to be put out a fire is a battery pack, the surface of the battery pack is used as the bottom surface, and at least one side surface around the fire extinguishing box body is provided with heat dissipation holes for dissipating heat and relieving pressure when the surface of the battery pack is burnt through.
7. The fire suppression apparatus of claim 6, wherein:
the fire branch pipe is followed the louvre extends into inside the box of putting out a fire, perhaps the fire branch pipe is followed the through-hole that the box top of putting out a fire was seted up extends into inside the box of putting out a fire, the fire branch pipe with through-hole kneck sealing connection.
8. The fire suppression apparatus of claim 7, wherein:
the fire branch pipe is tightly attached to the top of the fire extinguishing box body.
9. The fire suppression apparatus of claim 1, wherein:
the fire extinguishing device further comprises a fire sprinkler head connected to the fire branch pipes, and each fire sprinkler head is connected to one or more fire sprinkler heads connected to the fire branch pipes and comprises a temperature sensing portion used for sensing the temperature in the fire extinguishing space and starting the fire sprinkler head when the temperature is higher than a first preset temperature.
10. The fire suppression apparatus of claim 1, wherein:
the fire-fighting branch pipe is used for spraying the fire-fighting agent on the surface of an object to be extinguished.
11. The fire suppression apparatus of claim 10, wherein:
the fire extinguishing agent is water, and the object to be extinguished is a battery pack.
12. The fire suppression apparatus of claim 11, wherein:
the fire-fighting main pipe is connected with a fire-fighting pipeline or a fire-fighting water tank.
13. The fire suppression apparatus of claim 11, wherein:
the fire extinguishing device also comprises a water level control switch which is arranged on the fire fighting pipeline or the fire fighting water tank and used for controlling the water supply amount.
14. The fire suppression apparatus of claim 13, wherein:
the water level control switch is also used for controlling the water supply amount of the corresponding fire branch pipe according to the water supply amount required by each object to be extinguished, determining the total water supply amount according to the required water supply amount of all the objects to be extinguished, and controlling the total water supply amount of the fire pipeline or the fire water tank according to the total water supply amount.
15. A fire extinguishing method based on the fire extinguishing apparatus according to any one of claims 1 to 14, characterized in that: the method comprises the following steps:
after the object to be extinguished is detected to meet the extinguishing demand, controlling the fire branch pipe corresponding to the object to be extinguished to convey the extinguishing agent from the main fire fighting pipe;
the fire-fighting branch pipe sprays fire extinguishing agent into the fire-fighting space to extinguish fire.
16. A method of suppressing a fire as recited in claim 15, wherein:
the object to be put out fire is a battery pack, the surface of the battery pack is taken as the bottom surface, at least one side surface of the periphery of the fire extinguishing box body is provided with heat dissipation holes,
the method further comprises the step of dissipating heat and relieving pressure through the heat dissipation holes when the surface of the battery pack is burnt through.
17. A method of suppressing a fire as recited in claim 16, wherein:
the fire extinguishing agent is water, the object to be extinguished is a battery pack,
the fire extinguishing branch pipe sprays the fire extinguishing agent into the fire extinguishing space to extinguish fire, and the fire extinguishing branch pipe comprises the following steps:
the fire-fighting branch pipe sprays water to the fire-fighting space, the water is accumulated on the surface of the battery pack, the water flows into the battery pack through the holes burnt on the surface of the battery pack, the combustion reaction is diluted and cooled, and the reaction rate is reduced until the combustion reaction is terminated.
18. A method of suppressing a fire as recited in claim 15, wherein:
more than one fire-fighting spray header is connected to each fire-fighting branch pipe, each fire-fighting spray header comprises a temperature sensing part,
the method further comprises the step of starting the fire sprinkler head to spray the fire extinguishing agent when the temperature sensing part senses that the temperature in the fire extinguishing space is higher than a first preset temperature.
19. A method of suppressing a fire as recited in claim 15, wherein:
the fire-fighting main pipe is connected with a fire-fighting pipeline or a fire-fighting water tank,
the method further comprises the following steps:
controlling the water supply amount of the corresponding fire branch pipe according to the water supply amount required by each object to be extinguished;
and controlling the total water supply amount of the fire fighting pipeline or the fire fighting water tank according to the required water supply amount of all the objects to be extinguished.
20. A battery fire extinguishing system for a battery energy storage station or a battery storage device, characterized in that: the battery fire extinguishing system comprises the fire extinguishing device, the smoke exhaust fan and the sensor according to any one of claims 1 to 14, wherein the fire extinguishing device, the smoke exhaust fan and the sensor are respectively and independently arranged,
the sensors are arranged at positions close to the heat dissipation holes in the fire extinguishing box body and comprise smoke sensing sensors for sensing smoke concentration;
the smoke exhaust fan is used for starting and exhausting smoke when the smoke concentration sensed by the smoke sensor exceeds the preset smoke concentration; the fire extinguishing device is used for extinguishing fire for the object to be extinguished.
21. A fire extinguishing method based on the battery fire extinguishing system according to claim 20, characterized in that: the method comprises the following steps:
the dense smoke is sprayed out from the heat dissipation holes of the fire extinguishing box body when the fire-extinguishing object is burnt,
when the smoke sensor senses that the smoke concentration reaches the preset smoke concentration, the smoke exhaust fan is started to exhaust smoke;
the fire extinguishing device extinguishes the fire of the burning object to be extinguished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810791679.9A CN108744349B (en) | 2018-07-18 | 2018-07-18 | Fire suppression apparatus, systems and methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810791679.9A CN108744349B (en) | 2018-07-18 | 2018-07-18 | Fire suppression apparatus, systems and methods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108744349A CN108744349A (en) | 2018-11-06 |
| CN108744349B true CN108744349B (en) | 2021-01-26 |
Family
ID=63970568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810791679.9A Active CN108744349B (en) | 2018-07-18 | 2018-07-18 | Fire suppression apparatus, systems and methods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108744349B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110496335B (en) * | 2019-08-16 | 2023-06-13 | 国网江苏省电力有限公司 | Combined fire extinguishing system and fire extinguishing method for battery prefabricated cabin of lithium iron phosphate energy storage power station |
| CN111437544A (en) * | 2020-03-02 | 2020-07-24 | 浙江杭可科技股份有限公司 | Fire control drainage system based on cylinder lithium cell safety control |
| KR20210112161A (en) * | 2020-03-04 | 2021-09-14 | 주식회사 엘지에너지솔루션 | Battery module, battery rack comprising the battery module and energy storage system comprising the battery rack |
| CN112451881A (en) * | 2020-12-10 | 2021-03-09 | 珠海格力电器股份有限公司 | Fire-fighting system structure of container |
| CN114454748B (en) * | 2021-09-10 | 2024-05-07 | 青岛特来电新能源科技有限公司 | Energy storage battery fire emergency device, control method thereof and charging station |
| CN115770371B (en) * | 2022-11-23 | 2023-11-24 | 西安奇点能源股份有限公司 | Early suppression system starting device for out-of-control energy storage battery Bao Re |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6103887B2 (en) * | 2012-11-01 | 2017-03-29 | ホーチキ株式会社 | Power storage system |
| CN104361975A (en) * | 2014-11-05 | 2015-02-18 | 国家电网公司 | Transformer fire extinguishing protection device |
| CN205759224U (en) * | 2016-05-30 | 2016-12-07 | 北京迅力世达技术有限公司 | There is the battery box system of automatic fire extinguisher |
| CN206179936U (en) * | 2016-10-20 | 2017-05-17 | 上海方德尚动新能源科技有限公司 | A fire prevention case for power battery |
| CN208756833U (en) * | 2018-07-18 | 2019-04-19 | 蔚来汽车有限公司 | Extinguishing device and system |
-
2018
- 2018-07-18 CN CN201810791679.9A patent/CN108744349B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108744349A (en) | 2018-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108744349B (en) | Fire suppression apparatus, systems and methods | |
| CN208955153U (en) | Energy-storage battery cluster with heat dissipation with fire-fighting function | |
| CN114949678B (en) | Nitrogen protection and multi-region progressive detection prevention and control method and system for energy storage power station | |
| WO2022116908A1 (en) | High-energy lithium battery and large energy storage system comprising same | |
| CN216603874U (en) | Two-stage fire extinguishing system with energy storage battery clusters | |
| CN113571786A (en) | High-safety module partitioned energy storage system and working method thereof | |
| CN111821615A (en) | Fire extinguishing and cooling system of prefabricated cabin type electrochemical energy storage station based on liquid nitrogen | |
| CN112843543A (en) | Battery pack cooling and fire extinguishing device for energy storage power station | |
| CN112002846B (en) | Battery container, fire extinguishing method for battery of battery container, and vehicle | |
| CN116914339B (en) | Double-prevention energy storage cabinet and prevention and control method thereof | |
| CN216928778U (en) | Battery module, battery cluster, fire-fighting equipment and closed energy storage system | |
| CN214848912U (en) | Distributed energy storage battery module of high security | |
| CN214633484U (en) | Battery pack cooling and fire extinguishing device for energy storage power station | |
| CN208756833U (en) | Extinguishing device and system | |
| CN112402842A (en) | Fire extinguishing device and method suitable for closed battery module | |
| CN211024884U (en) | Battery energy storage system | |
| CN219106451U (en) | Flame-retardant battery cluster placement frame capable of actively exhausting smoke | |
| CN217280954U (en) | Battery pack with fire-fighting inhibiting function | |
| CN215731860U (en) | High security module partition type energy storage system | |
| CN215896515U (en) | Linkage atomization prevention and control system for inhibiting thermal runaway of energy storage battery | |
| CN216777790U (en) | Lithium ion battery package length aging fire suppression device | |
| CN214267362U (en) | Power battery and thermal runaway battery management system | |
| CN208852287U (en) | Fire extinguishing box | |
| CN117899402B (en) | Battery compartment, battery compartment fire control system and method | |
| CN211898698U (en) | Anti-collision anti-freezing outdoor ground type fire hydrant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200728 Address after: Susong Road West and Shenzhen Road North, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Weilai (Anhui) Holding Co., Ltd Address before: China Hong Kong Applicant before: NIO NEXTEV Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |