CN111643835A - Explosion-proof flame-retardant method and device for battery - Google Patents
Explosion-proof flame-retardant method and device for battery Download PDFInfo
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- CN111643835A CN111643835A CN202010587677.5A CN202010587677A CN111643835A CN 111643835 A CN111643835 A CN 111643835A CN 202010587677 A CN202010587677 A CN 202010587677A CN 111643835 A CN111643835 A CN 111643835A
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 104
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- 238000000034 method Methods 0.000 title claims abstract description 29
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- 238000000576 coating method Methods 0.000 claims description 17
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- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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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
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a battery explosion-proof flame-retardant method, which comprises a battery explosion-proof flame-retardant device, wherein the battery explosion-proof flame-retardant device comprises an inner layer and an outer layer, a sealed fire-extinguishing material cavity is arranged between the inner layer and the outer layer, and a fire-extinguishing material is hermetically filled in the fire-extinguishing material cavity; a battery wrapping cavity is arranged in the middle of the inner layer; the edge of the battery explosion-proof flame-retardant device is provided with a cavity opening which is communicated with the battery wrapping cavity; the outer layer is an explosion-proof and flame-retardant layer; the inner layer is an easy-blasting and/or fusible layer; the battery or the electronic appliance with the battery is placed into the battery wrapping cavity from the cavity opening, when the battery or the electronic appliance with the battery explodes in case, the inner layer is burst through the power of the battery explosion, the fire extinguishing material leaks out and enters the battery wrapping cavity to extinguish the fire; when the battery is in case of spontaneous combustion, the inner layer is burnt and melted by the high temperature of the battery, and the fire extinguishing material leaks out and enters the battery wrapping cavity to extinguish the fire; the method can directly extinguish the fire, and has short fire extinguishing time and high efficiency.
Description
Technical Field
The invention relates to a battery fire extinguishing device, in particular to a battery explosion-proof flame-retardant method.
Background
Most of the flame-retardant cloth is composed of methane glue and asbestos, then the flame-retardant cloth is made into a battery explosion-proof bag, the battery is placed in the bag before transportation, and then the bag is wrapped, so that in case of explosion or spontaneous combustion, the loss is reduced as much as possible by using a method of making the bag lack of oxygen to extinguish a fire, but the bag cannot directly extinguish the fire when extinguishing the fire, and has low fire extinguishing efficiency, long fire extinguishing time and no need of extinguishing the fire.
Disclosure of Invention
In order to solve the technical problems, the invention provides the battery explosion-proof flame-retardant method which is simple in structure, reasonable in design and capable of directly extinguishing fire.
The scheme for solving the technical problems is as follows:
a battery explosion-proof flame-retardant method comprises a battery explosion-proof flame-retardant device, wherein the battery explosion-proof flame-retardant device comprises an inner layer and an outer layer, a sealed fire extinguishing material cavity is arranged between the inner layer and the outer layer, and a fire extinguishing material is hermetically filled in the fire extinguishing material cavity; a battery wrapping cavity is arranged in the middle of the inner layer; the edge of the battery explosion-proof flame-retardant device is provided with a cavity opening which is communicated with the battery wrapping cavity; the outer layer is an explosion-proof and flame-retardant layer; the inner layer is an easy-blasting and/or fusible layer; the battery or the electronic appliance with the battery is placed into the battery wrapping cavity from the cavity opening, when the battery or the electronic appliance with the battery explodes in case, the inner layer is burst through the power of the battery explosion, the fire extinguishing material leaks out and enters the battery wrapping cavity to extinguish the fire; when the battery is in case of spontaneous combustion, the inner layer is burnt and melted by the high temperature of the battery, and the fire extinguishing material leaks out to enter the battery wrapping cavity to extinguish the fire.
The preferable technical scheme is further as follows: the cavity opening is fixedly connected with a locking device.
The preferable technical scheme is further as follows: the locking device is a male and female buckle or a zipper or an elastic contraction rope or a flip cover or a magic tape or a button or a sealing strip or a magnet or a cover body or a binding rope, and the cavity opening can be closed/opened.
The preferable technical scheme is further as follows: the flip cover comprises an inner wall and an outer wall, the outer wall is an explosion-proof and flame-proof wall body layer, the inner wall is an easily-explodable and/or easily-fusible wall body layer, a sealed fire extinguishing material cavity is also arranged between the inner wall and the outer wall, a fire extinguishing material is hermetically filled in the fire extinguishing material cavity, the opening of the flip cover is covered by the flip cover, when the battery or the electronic appliance with the battery explodes, the inner wall of the flip cover is exploded when the battery explosion power extends towards the opening of the cavity, and the fire extinguishing material leaks out to assist in extinguishing the fire; when the battery spontaneously ignites in case, the inner wall of the flip cover is burnt and melted when instant fire extends towards the cavity opening, and the fire extinguishing material leaks out to assist in extinguishing the fire.
The preferable technical scheme is further as follows: the fire extinguishing material is fire extinguishing liquid or fire extinguishing agent; the fire extinguishing liquid is water; the fire extinguishing agent is a foam fire extinguishing agent or a dry powder fire extinguishing agent or a sodium fire extinguishing agent.
The preferable technical scheme is further as follows: the inner layer is made of at least a single layer of breakable or fusible material; the outer layer is made of at least a single-layer explosion-proof material; the battery explosion-proof flame-retardant device is a battery explosion-proof flame-retardant bag or a battery explosion-proof flame-retardant box.
The preferable technical scheme is further as follows: the inner wall body is thinner than the outer wall body; the outer wall body is thicker than the inner wall body; the outer layer can bear 30-400 kg of explosion power and 150-300 ℃ of high temperature; the inner layer can bear 5-20 kg of explosion power and has a melting point of 80-100 ℃.
The preferable technical scheme is further as follows: the outer layer is made of a tough soft material; the inner layer is made of flexible soft materials.
The preferable technical scheme is further as follows: the inner layer is a film or flexible plastic; the outer layer is elastic plastic or tough soft waterproof cloth.
The preferable technical scheme is further as follows: and the wall surface of the battery wrapping cavity of the inner layer is connected with a damage-prevention protective layer.
The preferable technical scheme is further as follows: the damage-proof protective layer is a thin cloth or thin paper or an aluminum foil layer or a flame-retardant coating.
The battery explosion-proof flame-retardant method has the advantages that: before transportation, when in use, when in storage and when in charging, the battery or the electronic product with the battery can be placed into the battery explosion-proof flame-retardant device, in case of explosion of the battery, the inner layer is burst through the power of self explosion, the fire extinguishing material leaks into the battery wrapping cavity to extinguish the fire, and the outer layer is explosion-proof, so that the explosion only in the inner part is ensured, and the diffusion is not generated; in case of spontaneous combustion of the battery, the inner layer is burnt and melted at high temperature, and the fire extinguishing material leaks out and enters the battery wrapping cavity to extinguish the fire; the method can directly extinguish the fire, and has short fire extinguishing time, high efficiency and 100 percent of fire extinguishing.
Drawings
FIG. 1 is a cross-sectional view of the product of the present invention without fire extinguishing material;
FIG. 2 is a cross-sectional view of the product of the present invention with fire extinguishing material;
FIG. 3 is a cross-sectional view of the product of the present invention without fire extinguishing material;
FIG. 4 is a cross-sectional view of the product of the present invention with fire extinguishing material;
FIG. 5 is a perspective view of the battery explosion-proof flame-retardant bag of the product of the invention;
FIG. 6 is a perspective view of the battery explosion-proof flame-retardant bag of the product soft body of the invention folded (folded) with the upper half section overlapped with the lower half section;
FIG. 7 is a sectional view of the battery explosion-proof flame-retardant box of the product of the invention;
FIG. 8 is a sectional view of the battery explosion-proof flame-retardant box of the product of the invention;
FIG. 9 is a cross-sectional view of a battery explosion-proof flame-retardant bag of the product of the invention;
fig. 10 is a sectional view of the battery explosion-proof flame-retardant box of the product of the invention.
Detailed Description
A battery explosion-proof flame-retardant method comprises a battery explosion-proof flame-retardant device, wherein the battery explosion-proof flame-retardant device comprises an inner layer 1 and an outer layer 2, a sealed fire extinguishing material cavity 3 is arranged between the inner layer 1 and the outer layer 2, and a fire extinguishing material 4 is sealed in the fire extinguishing material cavity 3; a battery wrapping cavity 5 is arranged in the middle of the inner layer 1; the edge of the battery explosion-proof flame-retardant device is provided with a cavity opening 6, and the cavity opening 6 is communicated with a battery wrapping cavity 5; the outer layer 2 is an explosion-proof and flame-retardant layer; the inner layer 1 is an easy-to-explode and/or fusible layer; the battery or the electronic appliance with the battery is placed into the battery wrapping cavity 5 from the cavity opening 6, when the battery or the electronic appliance with the battery explodes in case of explosion, the inner layer 1 is burst through the power of battery explosion, the fire extinguishing material 4 leaks out and enters the battery wrapping cavity 5 to extinguish the fire; when the battery is in case of spontaneous combustion, the inner layer 1 is burnt and melted by the high temperature of the battery, and the fire extinguishing material 4 leaks out to enter the battery wrapping cavity 5 to extinguish the fire. The fire extinguishing material chamber 3 is impermeable to air and water. The edge of the inner layer 1 is connected with the inner wall of the outer layer 2 in a sealing way to form a fire extinguishing material cavity 3 or the edge of the inner layer 1 is connected with the edge of the outer layer 2 in a sealing way to form the fire extinguishing material cavity 3.
The product mainly aims at computer batteries, mobile phone batteries, mobile power supplies (chargers), mobile phones, tablet computers, electronic appliances with batteries, digital products with batteries and the like, and mainly aims at electronic appliances used by individuals.
The preferable technical scheme is further as follows: the inner layer 1 and the outer layer 2 are connected at the cavity opening 6 and the edge of the bottom in a sealing way (the upper end and the lower end are connected in a sealing way) to form a fire extinguishing material cavity 3, and the inner layer 1 and the outer layer 2 can be connected at the peripheral edge in a sealing way to form the fire extinguishing material cavity 3.
When in use, the cavity opening 6 is recommended to be upward, so that the fire extinguishing efficiency can be improved during explosion or spontaneous combustion, and the overflow of dirt can also be prevented.
The preferable technical scheme is further as follows: the inner layer 1 is a bag body of the inner layer 1, and the outer layer 2 is a bag body of the outer layer 2.
The preferable technical scheme is further as follows: the outer layer 2 and the inner layer 1 are not limited to specific shapes (such as rectangular or circular shapes), and the outer layer 2 and the inner layer 1 are not limited to specific hard or soft materials.
The preferable technical scheme is further as follows: the number of the fire extinguishing material cavities 3 can be one or more than two (a plurality of small fire extinguishing material cavities 3 can be divided by the structure of internal grids, and the fire extinguishing material cavities 3 with each grid are filled with fire extinguishing material).
Preferred technical solution case 1: the inner layer 1 consists of two wall bodies, and a battery wrapping cavity 5 is formed between the two wall bodies; if the inner layer 1 is a rectangular flexible bag body (inner layer 1 bag), the bag body consists of two wall bodies, namely a front wall and a rear wall.
Preferred technical solution case 2: the inner layer 1 can be composed of two or three or four or five wall bodies; if the inner layer 1 is a three-dimensional bag body (inner layer bag), the bag body can be composed of five wall bodies, namely a front wall, a rear wall, a left wall, a right wall and a bottom wall, and the five wall bodies surround a battery wrapping cavity 5 arranged in the middle.
Preferred technical solution case 3: the inner layer 1 is a round or oval flexible bag body (inner bag), and a battery wrapping cavity 5 is formed in the bag.
The preferable technical scheme is further as follows: the chamber opening 6 is fixedly connected with a locking device 7, the locking device is better, the fire extinguishing comprehensiveness is improved, the locking device 7 enables the chamber opening 6 to be in a closed state when in use, and therefore the battery is prevented from spreading to the outside as much as possible in case of explosion or spontaneous combustion.
The preferable technical scheme is further as follows: the locking device 7 is a male and female buckle or a zipper or an elastic contraction rope or a flip cover or a magic tape or a button or a sealing strip or a magnet or a cover body or a binding rope or an elastic contraction device (such as a rubber rib and an elastic band), and can close/open the cavity opening 6.
When a mobile power supply (a charger) is placed into the battery wrapping cavity 5 from the cavity opening 6, the locking device 7A is closed, a power line of the mobile power supply penetrates out of a gap at one end of the bag opening to be connected with a mobile phone to perform explosion-proof or spontaneous combustion-proof charging, and the mobile power supply is also suitable for charging other electronic appliances, and is suitable for airplanes, high-speed rails, ships, hotels, families and the like. Is particularly suitable for use in an unmanned state, such as: when the mobile phone is put into the battery wrapping cavity 5 for charging at night or the mobile power supply is put into the battery wrapping cavity 5 when the mobile phone is put into the night, then the lead-out wire is connected with the mobile phone for explosion-proof or spontaneous combustion-proof charging or the mobile phone and the mobile power supply are simultaneously put into the battery wrapping cavity 5 for charging; or the mobile power supply (charger) is placed in the battery wrapping cavity 5, and an electric wire is led out to be connected with a charger and is plugged into an alternating current socket to charge the mobile power supply.
The locking device 7 can also be a sealing device which can seal the cavity opening 6, and under the sealing state of the sealing device, in case of explosion or spontaneous combustion of the battery or the electronic appliance with the battery, the fire can be completely extinguished in the battery wrapping cavity 5 in a blocking way, so that dangerous case of external diffusion and dirt ejection are prevented. The sealing device is, for example: sealing zipper, sealing strip, sealing button, etc.
As shown in fig. 6: if the battery explosion-proof flame-retardant device is a soft battery explosion-proof flame-retardant device bag, after the battery is placed in the battery wrapping cavity 5, the battery can be folded (folded) or the bag body is folded to overlap the upper half section and the lower half section, so that the fire extinguishing efficiency can be effectively improved during explosion or spontaneous combustion, and the overflow of pollutants can also be prevented; such a bag may be free of the closure 7.
The preferable technical scheme is further as follows: as shown in fig. 9: the flip cover comprises an inner wall 7A and an outer wall 7B, the outer wall is an explosion-proof and flame-proof wall body layer, the inner wall is an easily-exploded and/or easily-fused wall body layer, a sealed fire extinguishing material cavity 3 is also arranged between the inner wall and the outer wall, a fire extinguishing material 4 is also sealed in the fire extinguishing material cavity 3, the flip cover covers the cavity opening 6, when the battery or the electronic appliance with the battery explodes, the battery explosion power of the battery extends towards the cavity opening 6, the inner wall of the flip cover is burst, the fire extinguishing material 4 leaks out to assist in extinguishing the fire, and the dangerous case of outward diffusion from the cavity opening 6 is prevented; when the battery is in case of spontaneous combustion, the inner wall of the flip cover is burnt and melted when instant fire extends towards the cavity opening 6, the fire extinguishing material 4 is leaked out to assist in extinguishing the fire, and the dangerous condition of outward diffusion from the cavity opening 6 is prevented.
The preferable technical scheme is further as follows: the fire extinguishing material 4 is fire extinguishing liquid or fire extinguishing agent; the fire extinguishing liquid is water; the fire extinguishing agent is a foam fire extinguishing agent or a dry powder fire extinguishing agent or a sodium fire extinguishing agent. Water is preferably used as the fire extinguishing material 4 because of its low cost, high fire extinguishing efficiency, and the ability to cool batteries being charged or used, as well as electronic appliances being charged or used.
The preferable technical scheme is further as follows: the inner layer 1 is made of at least a single layer of breakable or fusible material; the outer layer 2 is made of at least a single layer of explosion-proof and explosion-proof material; the battery explosion-proof flame-retardant device is a battery explosion-proof flame-retardant bag or a battery explosion-proof flame-retardant box.
As shown in fig. 7: the battery explosion-proof flame-retardant device is a battery explosion-proof flame-retardant device box, the outer layer 2 is a shaped explosion-proof layer made of hard materials such as metal or plastics, and the inner layer 1 is a flexible soft material layer or a fragile and explosive material layer (the flexible soft material layer is easy to break, for example, a composite layer of a film, an aluminum foil, waterproof paint and paper, a composite layer of waterproof paint and paper, and a waterproof composite layer formed by paper and fog spray glue, so that the inner layer 1 is waterproof). When the battery explosion-proof flame-retardant device is a battery explosion-proof flame-retardant device box, the cover body is a box cover.
The preferable technical scheme is further as follows: the wall body of the inner layer 1 is thinner than that of the outer layer 2; the wall body of the outer layer 2 is thicker than that of the inner layer 1; the outer layer 2 can bear 30-400 kg of explosion power and 150-300 ℃ of high temperature, and is preferably arranged to bear more than 200 ℃; manufacturers can produce several battery explosion-proof flame-retardant devices of different specifications, and can set the bearing capacity of the outer layer 2 according to the milliampere number of the battery, for example: when a single battery with the capacity of less than 100 milliamperes is placed, the bearing capacity of the material of the outer layer 2 of the anti-explosion bag is only 30 kilograms, because the explosion power of the battery is not very large, and if a mobile phone battery (generally 1000 milliamperes-2000 milliamperes) is placed, the bearing capacity of the material of the outer layer 2 of the anti-explosion bag is more than 150 kilograms; if a mobile power supply battery (generally 2000 milliampere-10000 milliampere) is placed, the material bearing capacity of the outer layer 2 of the explosion-proof bag is over 300 kilograms; the inner layer 1 can bear 5 kg-30 kg of explosion power (for example, 5 kg, 8 kg, 10 kg, 15 kg, 20 kg, 25 kg and 30 kg grades are set according to the bearing capacity of products with different specifications), and the temperature with the melting point of 80-100 ℃ (for example, a plurality of grades such as 80 ℃, 90 ℃ and 100 ℃ are set according to the bearing capacity of products with different specifications).
The preferable technical scheme is further as follows: the outer layer 2 is made of a tough soft material; the inner layer 1 is made of flexible soft materials.
The preferable technical scheme is further as follows: the inner layer 1 is a film or flexible plastic; the inner layer 1 can also be a composite layer formed by a film and cloth or paper or paint or coating; the inner layer 1 can also be a composite layer formed by flexible plastic and cloth or paper or paint or coating.
The outer layer 2 is tough/elastic plastic or tough soft waterproof cloth or waterproof canvas or integral composite cloth formed by cloth and film or integral composite cloth formed by flexible plastic and cloth; the cloth is an explosion-proof cloth; the cloth material is preferably selected from fiber cloth or asbestos cloth or linen cloth or cotton cloth, and is compounded with flexible plastic/thin film to form the waterproof and explosion-proof cloth.
The outer layer 2 is made of soft plastic or rubber or silica gel, if the outer layer is made of pure soft plastic or rubber or silica gel, the outer layer is thicker and can be compounded with cloth to form plastic cloth, rubber cloth and silica gel cloth, and the thickness of the outer layer is 2 mm or more; the cloth material is preferably selected from fiber cloth, asbestos cloth, linen cloth, cotton cloth, etc.
The preferable technical scheme is further as follows: the wall surface of the battery wrapping cavity 5 of the inner layer 1 is connected with a damage-proof protective layer, and the damage-proof protective layer and the inner layer 1 are integrally formed in a composite mode or are bonded.
The preferable technical scheme is further as follows: the damage-proof protective layer is a thin cloth or thin paper or an aluminum foil layer or a flame-retardant coating or a smoldering paint layer, and is not easy to puncture or scratch when a battery or an electronic appliance is put in or taken out. If the surface of the inner layer 1 is slightly scratched when the battery/electronic appliance is put in or taken out, the inner layer 1 is not damaged, for example: scratch, silk mark.
The inner layer 1 is composite waterproof paper bonded by a waterproof coating and thin paper, the waterproof coating is inward contacted with a fire extinguishing, and the thin paper is outward contacted with a battery or an electronic product with the battery; the waterproof coating is waterproof paint or a waterproof membrane layer or waterproof spray glue.
The fire extinguishing material 4 in the interlayer can play a role in pressure reduction and buffering during instant blasting, and meanwhile, the damage to the outer layer is reduced. When the instant high temperature exists or the instant blasting power exists, the inner layer 1 is immediately damaged, the leaked fire extinguishing material 4 enters the battery wrapping cavity 5 to extinguish fire of the battery or the electronic appliance, and if the explosion happens, fragments of the inner layer can directly puncture (damage) the inner layer 1, are as follows: the inner layer 1 can only bear 5 kg of blasting power, and can be immediately blasted when the blasting power is more than 5 kg; is as follows: the inner layer 1 can only withstand high temperatures of 90 ℃ and can be fused at temperatures greater than 90 ℃.
The inner layer 1 can also adopt a composite layer of a metal thin layer and a film with the melting point lower than 90 ℃.
The outer layer 2 is elastic plastic or tough soft waterproof cloth or a metal box body, is as follows: the outer layer 2 can bear the blasting power of 50 kg-300 kg, and the outer layer 2 can bear the blasting power as long as the power does not exceed the bearing capacity; is as follows: the outer layer 2 can only bear the high temperature of 150-300 ℃.
The use is that water is as fire extinguishing materials 4, and inlayer 1 is the flexible material manufacturing, and inside just forms a water utricule, and is destroyed easily, and it has fine fire control effect to leak water after inlayer 1 is destroyed.
The outer layer 2 may be made of a hard material, for example: metal casing, plastic casing, etc.
The method comprises the following steps of: if the battery explosion-proof flame-retardant device is a battery explosion-proof flame-retardant box, a fire extinguishing material cavity 3 is also arranged inside the box cover of the box body, and a fire extinguishing material 4 is hermetically arranged in the fire extinguishing material cavity 3.
The outer layer 2 and the inner layer 1 are not limited to the above-described materials, and may be made of other materials.
A battery explosion-proof flame-retardant method example 1:
a battery explosion-proof flame-retardant method comprises a battery explosion-proof flame-retardant device, wherein the battery explosion-proof flame-retardant device comprises an inner layer 1 and an outer layer 2, a sealed fire extinguishing material cavity 3 is arranged between the inner layer 1 and the outer layer 2, a fire extinguishing material 4 is sealed in the fire extinguishing material cavity 3, and the fire extinguishing material 4 is water; a battery wrapping cavity 5 is arranged in the middle of the inner layer 1; the edge of the battery explosion-proof flame-retardant device is provided with a cavity opening 6, and the cavity opening 6 is communicated with a battery wrapping cavity 5; the outer layer 2 is an explosion-proof and flame-retardant layer; the inner layer 1 is an easy-to-explode and/or fusible layer; the battery or the electronic appliance with the battery is placed into the battery wrapping cavity 5 from the cavity opening 6, when the battery or the electronic appliance with the battery explodes in case of explosion, the inner layer 1 is burst through the power of battery explosion, water serving as the fire extinguishing material 4 leaks out and enters the battery wrapping cavity 5 to extinguish the fire; when the battery is in case of spontaneous combustion, the inner layer 1 is burnt and melted by the high temperature of the battery, and water serving as the fire extinguishing material 4 leaks out to enter the battery wrapping cavity 5 to extinguish the fire.
A battery explosion-proof flame-retardant method example 2:
a battery explosion-proof flame-retardant method comprises a battery explosion-proof flame-retardant device, wherein the battery explosion-proof flame-retardant device comprises an inner layer 1 and an outer layer 2, a sealed fire extinguishing material cavity 3 is arranged between the inner layer 1 and the outer layer 2, a fire extinguishing material 4 is sealed in the fire extinguishing material cavity 3, and the fire extinguishing material 4 is a fire extinguishing agent; a battery wrapping cavity 5 is arranged in the middle of the inner layer 1; the edge of the battery explosion-proof flame-retardant device is provided with a cavity opening 6, and the cavity opening 6 is communicated with a battery wrapping cavity 5; the outer layer 2 is an explosion-proof and flame-retardant layer; the inner layer 1 is an easy-to-explode and/or fusible layer; the battery or the electronic appliance with the battery is placed into the battery wrapping cavity 5 from the cavity opening 6, when the battery or the electronic appliance with the battery explodes in case of explosion, the inner layer 1 is burst through the power of battery explosion, and the fire extinguishing agent serving as the fire extinguishing material 4 leaks out to enter the battery wrapping cavity 5 to extinguish the fire; when the battery is in case of spontaneous combustion, the inner layer 1 is burnt and melted by the high temperature of the battery, and the fire extinguishing agent serving as the fire extinguishing material 4 leaks into the battery wrapping cavity 5 to extinguish the fire.
A battery explosion-proof flame-retardant method relates to the following product structure:
a battery explosion-proof flame-retardant device comprises an inner layer 1 and an outer layer 2, wherein a sealed fire extinguishing material cavity 3 is arranged between the inner layer 1 and the outer layer 2 (the edge of the inner layer 1 is in sealed connection with the inner wall of the outer layer 2 to form the fire extinguishing material cavity 3 or the edge of the inner layer 1 is in sealed connection with the edge of the outer layer 2 to form the fire extinguishing material cavity 3), and a fire extinguishing material 4 is sealed in the fire extinguishing material cavity 3; a battery wrapping cavity 5 is arranged in the middle of the inner layer 1; the edge of the battery explosion-proof flame-retardant device is provided with a cavity opening 6, and the cavity opening 6 is communicated with a battery wrapping cavity 5; the inner layer 1 is destroyed and then leaks out the fire extinguishing material 4 to enter the battery wrapping cavity 5 for fire extinguishing, and the destruction mode is battery explosion destruction or high-temperature fusing inner layer 1 destruction. The cavity opening 6 is used for placing or taking out a battery or an electronic and electric product with the battery, and the battery or the electronic and electric product with the battery is placed into the battery wrapping cavity 5 from the cavity opening 6. The fire extinguishing material chamber 3 is impermeable to air and water.
The inner layer 1 is an easy-to-explode and/or fusible layer.
The product mainly aims at computer batteries, mobile phone batteries, mobile power supplies (chargers), mobile phones, tablet computers, electronic appliances with batteries, digital products with batteries and the like, and mainly aims at electronic appliances used by individuals.
The inner layer 1 and the outer layer 2 are connected at the cavity opening 6 and the edge of the bottom in a sealing way (the upper end and the lower end are connected in a sealing way) to form a fire extinguishing material cavity 3, and the inner layer 1 and the outer layer 2 can be connected at the peripheral edge in a sealing way to form the fire extinguishing material cavity 3.
When in use, the cavity opening 6 is recommended to be upward, so that the fire extinguishing efficiency can be improved during explosion or spontaneous combustion, and the overflow of dirt can also be prevented.
The inner layer 1 is a bag body of the inner layer 1, and the outer layer 2 is a bag body of the outer layer 2.
The outer layer 2 and the inner layer 1 are not limited to specific shapes (such as rectangular or circular shapes), and the outer layer 2 and the inner layer 1 are not limited to specific hard or soft materials.
The number of the fire extinguishing material cavities 3 can be one or more than two (a plurality of small fire extinguishing material cavities 3 can be divided by the structure of internal grids, and the fire extinguishing material cavities 3 with each grid are filled with fire extinguishing material).
Preferred technical solution case 1: the inner layer 1 consists of two wall bodies, and a battery wrapping cavity 5 is formed between the two wall bodies; if the inner layer 1 is a rectangular flexible bag body (inner layer 1 bag), the bag body consists of two wall bodies, namely a front wall and a rear wall.
Preferred technical solution case 2: the inner layer 1 can be composed of two or three or four or five wall bodies; if the inner layer 1 is a three-dimensional bag body (inner layer bag), the bag body can be composed of five wall bodies, namely a front wall, a rear wall, a left wall, a right wall and a bottom wall, and the five wall bodies surround a battery wrapping cavity 5 arranged in the middle.
Preferred technical solution case 3: the inner layer 1 is a round or oval flexible bag body (inner bag), and a battery wrapping cavity 5 is formed in the bag.
The cavity opening 6 is fixedly connected with a locking device 7, the locking device is better, and the locking device 7 enables the cavity opening 6 to be in a closed state when in use, so that the battery is prevented from spreading to the outside as much as possible in case of explosion or spontaneous combustion.
The locking device 7 is a male and female buckle or a zipper or an elastic contraction rope or a flip cover or a magic tape or a button or a sealing strip or a magnet or a cover body or a binding rope or an elastic contraction device (such as a rubber rib and an elastic band), and can close/open the cavity opening 6. Thus, the battery is prevented from spreading danger and ejecting dirt in case of explosion or spontaneous combustion.
When a mobile power supply (a charger) is placed into the battery wrapping cavity 5 from the cavity opening 6, the locking device 7A is closed, a power line of the mobile power supply penetrates out of a gap at one end of the bag opening to be connected with a mobile phone to perform explosion-proof or spontaneous combustion-proof charging, and the mobile power supply is also suitable for charging other electronic appliances, and is suitable for airplanes, high-speed rails, ships, hotels, families and the like. Is particularly suitable for use in an unmanned state, such as: when the mobile phone is put into the battery wrapping cavity 5 for charging at night or the mobile power supply is put into the battery wrapping cavity 5 when the mobile phone is put into the night, then the lead-out wire is connected with the mobile phone for explosion-proof or spontaneous combustion-proof charging or the mobile phone and the mobile power supply are simultaneously put into the battery wrapping cavity 5 for charging; or the mobile power supply (charger) is placed in the battery wrapping cavity 5, and an electric wire is led out to be connected with a charger and is plugged into an alternating current socket to charge the mobile power supply.
The locking device 7 can also be a sealing device which can seal the cavity opening 6, and under the sealing state of the sealing device, in case of explosion or spontaneous combustion of the battery or the electronic appliance with the battery, the fire can be completely extinguished in the battery wrapping cavity 5 in a blocking way, so that dangerous case of external diffusion and dirt ejection are prevented. The sealing device is, for example: sealing zipper, sealing strip, sealing button, etc.
As shown in fig. 6: if the battery explosion-proof flame-retardant device is a soft battery explosion-proof flame-retardant bag, after the battery is placed in the battery wrapping cavity 5, the battery can be folded (folded) or the bag body is folded to overlap the upper half section and the lower half section, so that the fire extinguishing efficiency can be effectively improved during explosion or spontaneous combustion, and the overflow of pollutants can also be prevented; such a bag may be free of the closure 7.
The fire extinguishing material 4 is fire extinguishing liquid or fire extinguishing agent; the fire extinguishing liquid is water; the fire extinguishing agent is a foam fire extinguishing agent or a dry powder fire extinguishing agent or a sodium fire extinguishing agent. Water is preferably used as the fire extinguishing material 4 because of its low cost, high fire extinguishing efficiency, and the ability to cool batteries being charged or used, as well as electronic appliances being charged or used.
The inner layer 1 is made of at least a single layer of breakable or fusible material; the outer layer 2 is made of at least a single layer of burst-resistant and explosion-proof material.
As shown in fig. 7: the battery explosion-proof flame-retardant device is a battery explosion-proof flame-retardant box, the outer layer 2 is a shaped explosion-proof layer made of hard materials such as metal or plastics, and the inner layer 1 is a flexible soft material layer or a fragile and explosive material layer (the flexible soft material layer is easy to break, for example, a composite layer of a film, an aluminum foil, waterproof paint and paper, a composite layer of waterproof paint and paper, and a waterproof composite layer formed by paper and spray glue, so that the inner layer 1 is waterproof). When the battery explosion-proof flame-retardant device is a battery explosion-proof flame-retardant box, the cover body is a box cover.
The battery explosion-proof flame-retardant device is a battery explosion-proof flame-retardant water bag or a battery explosion-proof flame-retardant water bag.
The wall body of the inner layer 1 is thinner than that of the outer layer 2; the wall body of the outer layer 2 is thicker than that of the inner layer 1; the outer layer 2 can bear 30-400 kg of explosion power and 150-300 ℃ of high temperature, and is preferably arranged to bear more than 200 ℃; manufacturers can produce several battery explosion-proof flame-retardant devices of different specifications, and can set the bearing capacity of the outer layer 2 according to the milliampere number of the battery, for example: when a single battery with the capacity of less than 100 milliamperes is placed, the bearing capacity of the material of the outer layer 2 of the anti-explosion bag is only 30 kilograms, because the explosion power of the battery is not very large, and if a mobile phone battery (generally 1000 milliamperes-2000 milliamperes) is placed, the bearing capacity of the material of the outer layer 2 of the anti-explosion bag is more than 150 kilograms; if a mobile power supply battery (generally 2000 milliampere-10000 milliampere) is placed, the material bearing capacity of the outer layer 2 of the explosion-proof bag is over 300 kilograms; the inner layer 1 can bear 5 kg-30 kg of explosion power (for example, 5 kg, 8 kg, 10 kg, 15 kg, 20 kg, 25 kg and 30 kg grades are set according to the bearing capacity of products with different specifications), and the temperature with the melting point of 80-100 ℃ (for example, a plurality of grades such as 80 ℃, 90 ℃ and 100 ℃ are set according to the bearing capacity of products with different specifications).
The outer layer 2 is made of a tough soft material; the inner layer 1 is made of a flexible soft material; the toughness of the outer layer 2 is stronger than that of the inner layer 1.
The inner layer 1 is a film or flexible plastic; the inner layer 1 can also be a composite layer formed by a film and cloth or paper or paint or coating; the inner layer 1 can also be a composite layer formed by flexible plastic and cloth or paper or paint or coating.
The outer layer 2 is tough/elastic plastic or tough soft waterproof cloth or waterproof canvas or integral composite cloth formed by cloth and film or integral composite cloth formed by flexible plastic and cloth; the cloth is an explosion-proof cloth; the cloth material is preferably selected from fiber cloth or asbestos cloth or linen cloth or cotton cloth, and is compounded with flexible plastic/thin film to form the waterproof and explosion-proof cloth.
The outer layer 2 is made of soft plastic or rubber or silica gel, if the outer layer is made of pure soft plastic or rubber or silica gel, the outer layer is thicker and can be compounded with cloth to form plastic cloth, rubber cloth and silica gel cloth, and the thickness of the outer layer is 2 mm or more; the cloth material is preferably selected from fiber cloth, asbestos cloth, linen cloth, cotton cloth, etc.
The wall surface of the battery wrapping cavity 5 of the inner layer 1 is connected with a damage-proof protective layer, and the damage-proof protective layer and the inner layer 1 are integrally formed in a composite mode or are bonded.
The damage-proof protective layer is a thin cloth or thin paper or an aluminum foil layer or a flame-retardant coating or a smoldering paint layer, and is not easy to puncture or scratch when a battery or an electronic appliance is put in or taken out. If the surface of the inner layer 1 is slightly scratched when the battery/electronic appliance is put in or taken out, the inner layer 1 is not damaged, for example: scratch, silk mark.
The inner layer 1 is composite waterproof paper bonded by a waterproof coating and thin paper, the waterproof coating is inward contacted with a fire extinguishing, and the thin paper is outward contacted with a battery or an electronic product with the battery; the waterproof coating is waterproof paint or a waterproof membrane layer or waterproof spray glue.
The fire extinguishing material 4 in the interlayer can play a role in reducing pressure and buffering when instantaneously blasting. When the instant high temperature exists or the instant blasting power exists, the inner layer 1 is immediately damaged, the leaked fire extinguishing material 4 enters the battery wrapping cavity 5 to extinguish fire of the battery or the electronic appliance, and if the explosion happens, fragments of the inner layer can directly puncture (damage) the inner layer 1, are as follows: the inner layer 1 can only bear 5 kg of blasting power, and can be immediately blasted when the blasting power is more than 5 kg; is as follows: the inner layer 1 can only withstand high temperatures of 90 ℃ and can be fused at temperatures greater than 90 ℃.
The inner layer 1 can also adopt a composite layer of a metal thin layer and a film with the melting point lower than 90 ℃.
The outer layer 2 is elastic plastic or tough soft waterproof cloth or a metal box body, is as follows: the outer layer 2 can bear the blasting power of 50 kg-300 kg, and the outer layer 2 can bear the blasting power as long as the power does not exceed the bearing capacity; is as follows: the outer layer 2 can only bear the high temperature of 150-300 ℃.
The outer layer 2 and the inner layer 1 are not limited to the above-described materials, and may be made of other materials.
The use is that water is as fire extinguishing materials 4, and inlayer 1 is the flexible material manufacturing, and inside just forms a water utricule, and is destroyed easily, and it has fine fire control effect to leak water after inlayer 1 is destroyed.
The outer layer 2 may be made of a hard material, for example: metal casing, plastic casing, etc.
As shown in fig. 9: if the battery explosion-proof flame-retardant device is a soft battery explosion-proof flame-retardant bag, a fire extinguishing material cavity 3 is also arranged inside the flip cover of the bag body, and a fire extinguishing material 4 is hermetically filled in the fire extinguishing material cavity 3; the flip cover comprises an inner wall body 7A and an outer wall body 7B, and a fire extinguishing material cavity 3 is arranged between the inner wall body 7A and the outer wall body 7B.
The method comprises the following steps of: if the battery explosion-proof flame-retardant device is a battery explosion-proof flame-retardant box, a fire extinguishing material cavity 3 is also arranged inside the box cover of the box body, and a fire extinguishing material 4 is hermetically arranged in the fire extinguishing material cavity 3. The production method of the explosion-proof and flame-retardant bag for the soft battery, in the embodiment 1, comprises the following steps:
the method comprises the following steps: cutting the raw material sheets of the inner layer 1 and the outer layer 2 into sheet bodies with required proper sizes by using a cutting machine (equipment);
step two: respectively manufacturing the inner layer 1 and the outer layer 2 sheet bodies with cut sizes into an inner layer bag and an outer layer bag by using a bag making machine, wherein a battery wrapping cavity is formed in the middle of the inner layer bag;
step three: inserting the inner bag into the outer bag by a bag making machine;
step four: heating 95% of edges of the inner layer bag and the outer layer bag by using a packaging bag hot melting sealing machine, then melting the edges of the inner layer bag and the outer layer bag together by using colloid, then taking the bag body away and cooling the melting joint, finally forming a fire extinguishing material cavity between the inner layer bag and the outer layer bag, and forming fire extinguishing material filling holes on 5% of the edges which are not melted;
step five: inserting a water pipe of a water pump into the fire extinguishing material filling hole and injecting water into the fire extinguishing material cavity, and stopping injecting water immediately when the specified weight or capacity of the bag body is reached;
step six: and heating 5% of the edges of the inner layer bag and the outer layer bag which are not welded by a packaging bag hot melting sealing machine, then welding the colloid at the filling hole of the fire extinguishing material together, then taking away the bag body and cooling the welding part, and finally completely sealing water in the fire extinguishing material cavity.
Step seven: and (5) completing filling of water, and then packaging the finished product.
The welding temperature is set according to the melting point temperature of the inner layer 1 and the outer layer 2 and is different from 150 ℃ to 500 ℃. The total weight of the explosion-proof flame-retardant bag for the soft battery is 1 kg to 3 kg.
An embodiment 2 of a method for producing an explosion-proof and flame-retardant bag for a soft battery comprises the following steps:
the method comprises the following steps: cutting the raw material sheets of the inner layer 1 and the outer layer 2 into sheet bodies with required proper sizes by using a cutting machine (equipment);
step two: respectively manufacturing the inner layer 1 and the outer layer 2 sheet bodies with cut sizes into an inner layer bag and an outer layer bag by using a bag making machine, wherein a battery wrapping cavity is formed in the middle of the inner layer bag;
step three: inserting the inner bag into the outer bag by a bag making machine;
step four: coating adhesive glue on the inner wall surfaces of 95% of the edges of the inner bag and the outer bag, waiting for the glue to be condensed, finally bonding and connecting the edges of the inner bag and the outer bag together, finally forming a fire extinguishing material cavity between the inner bag and the outer bag, and forming fire extinguishing material filling holes on 5% of the edges which are not welded;
step five: inserting a water pipe of a water pump into the fire extinguishing material filling hole and injecting water into the fire extinguishing material cavity, and stopping injecting water immediately when the specified weight or capacity of the bag body is reached;
step six: and (3) coating adhesive on 5% of the inner wall surfaces of the inner layer bag and the outer layer bag which are not bonded, bonding the fire extinguishing material filling holes together, and finally completely sealing water in the fire extinguishing material cavity.
Step seven: and (5) completing filling of water, and then packaging the finished product.
Structural example 1:
an explosion-proof flame-retardant bag for a battery comprises an inner layer 1 and an outer layer 2, wherein the outer layer 2 is an explosion-proof tough soft waterproof canvas, the inner layer 1 is a thin film, the inner layer 1 is an easily-exploding and/or easily-melting layer, a sealed fire extinguishing material cavity 3 is arranged between the inner layer 1 and the outer layer 2, a fire extinguishing material 4 is sealed in the fire extinguishing material cavity 3, and the fire extinguishing material 4 is water; a battery wrapping cavity 5 is arranged in the middle of the inner layer 1; the edge of the battery explosion-proof flame-retardant device is provided with a cavity opening 6, and the cavity opening 6 is communicated with a battery wrapping cavity 5; the inner layer 1 is destroyed and then leaks out the fire extinguishing material 4 to enter the battery wrapping cavity 5 for fire extinguishing, and the destruction mode is battery explosion destruction or high-temperature fusing inner layer 1 destruction. The cavity opening 6 is used for placing and taking out batteries or electronic and electric products with batteries, and the batteries or the electronic and electric products with batteries are placed into the battery wrapping cavity 5 from the cavity opening 6. The fire extinguishing material chamber 3 is impermeable to air and water. The product is mainly suitable for personal electronic appliances such as computer batteries, mobile phone batteries, mobile power supplies, mobile phones, tablet computers, electronic appliances with batteries, digital products with batteries and the like to be placed in the battery wrapping cavity 5 for charging, use, transportation, storage and the like, the battery explodes the inner layer 1 through the power of self explosion in case of explosion, water leaks out and enters the battery wrapping cavity 5 to put out a fire, and the outer layer 2 prevents explosion; in case of spontaneous combustion of the battery, the inner layer 1 is burnt and melted by high temperature of the battery, and water leaks out to enter the battery wrapping cavity 5 to extinguish the fire.
Structural example 2:
a battery explosion-proof flame-retardant bag comprises an inner layer 1 and an outer layer 2, wherein the outer layer 2 is an explosion-proof tough soft waterproof canvas, the inner layer 1 is a composite layer of waterproof paint and paper, the inner layer 1 is an easily-blasted and/or easily-melted layer, a sealed fire extinguishing material cavity 3 is arranged between the inner layer 1 and the outer layer 2, a fire extinguishing material 4 is sealed in the fire extinguishing material cavity 3, and the fire extinguishing material 4 is a fire extinguishing agent; a battery wrapping cavity 5 is arranged in the middle of the inner layer 1; the edge of the battery explosion-proof flame-retardant device is provided with a cavity opening 6, and the cavity opening 6 is communicated with a battery wrapping cavity 5; the inner layer 1 is destroyed and then leaks out the fire extinguishing material 4 to enter the battery wrapping cavity 5 for fire extinguishing, and the destruction mode is battery explosion destruction or high-temperature fusing inner layer 1 destruction. The cavity opening 6 is used for placing and taking out batteries or electronic and electric products with batteries, and the batteries or the electronic and electric products with batteries are placed into the battery wrapping cavity 5 from the cavity opening 6. The fire extinguishing material chamber 3 is impermeable to air and water. The product is mainly suitable for personal electronic appliances such as computer batteries, mobile phone batteries, mobile power supplies, mobile phones, tablet computers, electronic appliances with batteries, digital products with batteries and the like to be placed in the battery wrapping cavity 5 for charging, use, transportation, storage and the like, the inner layer 1 is burst through the power of self explosion in case of explosion of the batteries, the fire extinguishing agent leaks out to enter the battery wrapping cavity 5 to extinguish the fire, and the outer layer 2 is anti-explosion; in case of spontaneous combustion of the battery, the inner layer 1 is burnt and melted by the high temperature of the battery, and the fire extinguishing agent leaks out to enter the battery wrapping cavity 5 to extinguish the fire.
Structural example 3:
a battery explosion-proof flame-retardant box comprises an inner layer 1 and an outer layer 2, wherein the outer layer 2 is an explosion-proof steel box, the inner layer 1 is a waterproof composite layer formed by paper and spray glue, the inner layer 1 is an easy-to-explode and/or fusible layer, a sealed fire extinguishing material cavity 3 is arranged between the inner layer 1 and the outer layer 2, a fire extinguishing material 4 is hermetically filled in the fire extinguishing material cavity 3, and the fire extinguishing material 4 is water; a battery wrapping cavity 5 is arranged in the middle of the inner layer 1; the edge of the battery explosion-proof flame-retardant device is provided with a cavity opening 6, and the cavity opening 6 is communicated with a battery wrapping cavity 5; the inner layer 1 is destroyed and then leaks out the fire extinguishing material 4 to enter the battery wrapping cavity 5 for fire extinguishing, and the destruction mode is battery explosion destruction or high-temperature fusing inner layer 1 destruction. The cavity opening 6 is used for placing and taking out batteries or electronic and electric products with batteries, and the batteries or the electronic and electric products with batteries are placed into the battery wrapping cavity 5 from the cavity opening 6. The fire extinguishing material chamber 3 is impermeable to air and water. The product is mainly suitable for personal electronic appliances such as computer batteries, mobile phone batteries, mobile power supplies, mobile phones, tablet computers, electronic appliances with batteries, digital products with batteries and the like to be placed in the battery wrapping cavity 5 for charging, use, transportation, storage and the like, the battery explodes the inner layer 1 through the power of self explosion in case of explosion, water leaks out and enters the battery wrapping cavity 5 to put out a fire, and the outer layer 2 prevents explosion; in case of spontaneous combustion of the battery, the inner layer 1 is burnt and melted by high temperature of the battery, and water leaks out to enter the battery wrapping cavity 5 to extinguish the fire.
Structural example 4:
a battery explosion-proof flame-retardant box comprises an inner layer 1 and an outer layer 2, wherein the outer layer 2 is an explosion-proof metal box, the inner layer 1 is a composite layer of waterproof coating and paper, the inner layer 1 is an easily-exploded and/or easily-melted layer, a sealed fire extinguishing material cavity 3 is arranged between the inner layer 1 and the outer layer 2, a fire extinguishing material 4 is hermetically filled in the fire extinguishing material cavity 3, and the fire extinguishing material 4 is a fire extinguishing agent; a battery wrapping cavity 5 is arranged in the middle of the inner layer 1; the edge of the battery explosion-proof flame-retardant device is provided with a cavity opening 6, and the cavity opening 6 is communicated with a battery wrapping cavity 5; the inner layer 1 is destroyed and then leaks out the fire extinguishing material 4 to enter the battery wrapping cavity 5 for fire extinguishing, and the destruction mode is battery explosion destruction or high-temperature fusing inner layer 1 destruction. The cavity opening 6 is used for placing and taking out batteries or electronic and electric products with batteries, and the batteries or the electronic and electric products with batteries are placed into the battery wrapping cavity 5 from the cavity opening 6. The fire extinguishing material chamber 3 is impermeable to air and water. The product is mainly suitable for personal electronic appliances such as computer batteries, mobile phone batteries, mobile power supplies, mobile phones, tablet computers, electronic appliances with batteries, digital products with batteries and the like to be placed in the battery wrapping cavity 5 for charging, use, transportation, storage and the like, the inner layer 1 is burst through the power of self explosion in case of explosion of the batteries, the fire extinguishing agent leaks out to enter the battery wrapping cavity 5 to extinguish the fire, and the outer layer 2 is anti-explosion; in case of spontaneous combustion of the battery, the inner layer 1 is burnt and melted by the high temperature of the battery, and the fire extinguishing agent leaks out to enter the battery wrapping cavity 5 to extinguish the fire.
Claims (10)
1. An explosion-proof flame-retardant method for a battery is characterized in that: the battery explosion-proof flame-retardant device comprises an inner layer and an outer layer, wherein a sealed fire extinguishing material cavity is arranged between the inner layer and the outer layer, and fire extinguishing materials are sealed in the fire extinguishing material cavity; a battery wrapping cavity is arranged in the middle of the inner layer; the edge of the battery explosion-proof flame-retardant device is provided with a cavity opening which is communicated with the battery wrapping cavity; the outer layer is an explosion-proof and flame-retardant layer; the inner layer is an easy-blasting and/or fusible layer; the battery or the electronic appliance with the battery is placed into the battery wrapping cavity from the cavity opening, when the battery or the electronic appliance with the battery explodes in case, the inner layer is burst through the power of the battery explosion, the fire extinguishing material leaks out and enters the battery wrapping cavity to extinguish the fire; when the battery is in case of spontaneous combustion, the inner layer is burnt and melted by the high temperature of the battery, and the fire extinguishing material leaks out to enter the battery wrapping cavity to extinguish the fire.
2. The explosion-proof and flame-retardant method for the battery according to claim 1, characterized in that: the cavity opening is fixedly connected with a locking device.
3. The explosion-proof and flame-retardant method for the battery according to claim 2, characterized in that: the locking device is a male and female buckle or a zipper or an elastic contraction rope or a flip cover or a magic tape or a button or a sealing strip or a magnet or a cover body or a binding rope, and the cavity opening can be closed/opened.
4. The explosion-proof and flame-retardant method for the battery according to claim 3, characterized in that: the flip cover comprises an inner wall and an outer wall, the outer wall is an explosion-proof and flame-proof wall body layer, the inner wall is an easily-explodable and/or easily-fusible wall body layer, a sealed fire extinguishing material cavity is also arranged between the inner wall and the outer wall, a fire extinguishing material is hermetically filled in the fire extinguishing material cavity, the opening of the flip cover is covered by the flip cover, when the battery or the electronic appliance with the battery explodes, the inner wall of the flip cover is exploded when the battery explosion power extends towards the opening of the cavity, and the fire extinguishing material leaks out to assist in extinguishing the fire; when the battery spontaneously ignites in case, the inner wall of the flip cover is burnt and melted when instant fire extends towards the cavity opening, and the fire extinguishing material leaks out to assist in extinguishing the fire.
5. The explosion-proof and flame-retardant method for the battery according to claim 1, characterized in that: the fire extinguishing material is fire extinguishing liquid or fire extinguishing agent; the fire extinguishing liquid is water; the fire extinguishing agent is a foam fire extinguishing agent or a dry powder fire extinguishing agent or a sodium fire extinguishing agent.
6. The explosion-proof and flame-retardant method for the battery according to claim 1, characterized in that: the inner layer is made of at least a single layer of breakable or fusible material; the outer layer is made of at least a single-layer explosion-proof material; the battery explosion-proof flame-retardant device is a battery explosion-proof flame-retardant bag or a battery explosion-proof flame-retardant box.
7. The explosion-proof and flame-retardant method for the battery according to claim 1 or 5, characterized in that: the inner wall body is thinner than the outer wall body; the outer wall body is thicker than the inner wall body; the outer layer can bear 30-400 kg of explosion power and 150-300 ℃ of high temperature; the inner layer can bear 5-30 kg of explosion power and has a melting point of 80-100 ℃.
8. The explosion-proof and flame-retardant method for the battery according to claim 1 or 5, characterized in that: the outer layer is made of a tough soft material; the inner layer is made of flexible soft materials.
9. The explosion-proof and flame-retardant method for the battery according to claim 7, characterized in that: the inner layer is a film or flexible plastic; the outer layer is elastic plastic or tough soft waterproof cloth.
10. The explosion-proof and flame-retardant method for the battery according to claim 7, characterized in that: the wall surface of the battery wrapping cavity of the inner layer is connected with a damage-prevention protective layer; the damage-proof protective layer is a thin cloth or thin paper or an aluminum foil layer or a flame-retardant coating.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112670641A (en) * | 2020-12-24 | 2021-04-16 | 登峰科技(江西)有限公司 | Flame-retardant explosion-proof safety protection wrapping cover for lithium ion battery pack |
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| CN113786569A (en) * | 2021-09-17 | 2021-12-14 | 王金水 | Automatic early warning and fire extinguishing device for automobile overheating |
| CN113786569B (en) * | 2021-09-17 | 2022-11-04 | 王金水 | Automatic early warning and fire extinguishing device for automobile overheating |
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