CN110170127A - A kind of the microminiature extinguishing device and its extinguishing method of rechargeable battery pack - Google Patents
A kind of the microminiature extinguishing device and its extinguishing method of rechargeable battery pack Download PDFInfo
- Publication number
- CN110170127A CN110170127A CN201910506584.2A CN201910506584A CN110170127A CN 110170127 A CN110170127 A CN 110170127A CN 201910506584 A CN201910506584 A CN 201910506584A CN 110170127 A CN110170127 A CN 110170127A
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- Prior art keywords
- extinguishing
- battery pack
- cylinder
- microminiature
- igniter
- Prior art date
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Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000007921 spray Substances 0.000 claims abstract description 53
- 239000000126 substance Substances 0.000 claims abstract description 50
- 238000001514 detection method Methods 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 239000000443 aerosol Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/10—Containers destroyed or opened by flames or heat
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Battery Mounting, Suspending (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The present invention discloses the microminiature extinguishing device and its extinguishing method of a kind of rechargeable battery pack, device includes the cylinder between each battery side wall in battery pack and the cover positioned at cylinder one end, column extinguishing chemical is equipped in the cylinder, column extinguishing chemical end is equipped with igniter, and drum surface offers multiple spray orifices；In addition the present invention also provides corresponding extinguishing methods；The present invention guarantees put out a fire efficiency and equipment safety under the premise of reducing extinguishing device for rechargeable battery pack.
Description
Technical field
The present invention relates to technical field of fire control, a kind of microminiature extinguishing device in particular to rechargeable battery pack and its go out
Ignition method.
Background technique
The extinguishing device of rechargeable battery pack is generally outside battery pack at present, and extinguishing device spurts when battery burns
Extinguishing chemical puts out a fire to battery pack from outside, and extinguishing material can be because of battery pack gap when putting out a fire in this way to battery
Heat is larger and extinguishing material is made to be difficult to reach internal battery pack, can be inhibited that fire extinguishing is but not achieved in a short time to fire
Purpose.
Since rechargeable battery pack itself has a shell, whether interior of shell burn or glows and is difficult to see from outside
It examines and learns, in addition the space of rechargeable battery pack interior of shell is usually very narrow, and extinguishing device on the market can not be installed
These devices are protected in inside, these small fires are often just therefore easily perceived by humans after becoming conflagration, but at this moment
Battery pack is seriously damaged already, or even deflagration phenomenon directly occurs.
By extinguishing device volume-diminished be directly used in rechargeable battery pack in often also face many problems, such as volume
After reducing efficiency deficiency can not stamp out a fire reduce temperature or due to when small volume fire extinguisher spurts pressure abruptly increase by face
Face the danger of explosion, therefore how under the premise of reducing extinguishing device for rechargeable battery pack, while guaranteeing efficiency of putting out a fire
It is a technical problem to be solved urgently with equipment safety.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of microminiature extinguishing device of rechargeable battery pack and its
Extinguishing method under the premise of reducing extinguishing device for rechargeable battery pack, while guaranteeing put out a fire efficiency and equipment safety.
The present invention is in order to solve the above technical problems, used technical solution is: a kind of microminiature of rechargeable battery pack
Extinguishing device, the cover including the cylinder being set in battery pack between each battery side wall and positioned at cylinder one end, in the cylinder
Equipped with column extinguishing chemical, column extinguishing chemical end is equipped with igniter, and drum surface offers multiple spray orifices.
Preferably, the igniter is electric igniter structure, and fire point detection module, the fire point are additionally provided in battery pack
Detection module is connect by microprocessor with igniter control terminal.
Preferably, the fire point detection module includes temperature sensor and/or smoke sensor device.
Preferably, the igniter is fuse cord structure, and the cylinder and cover are detachably connected, and the column is gone out
Fiery agent is aerosol extinguishing agent.
Preferably, battery pack includes upper frame and lower frame, and the battery both ends are separately mounted to frame and lower frame
On；Limiting slot is offered on the upper frame and lower frame, is equipped with limited block on the outside of the cover outside and cylinder, is limited
Block and limiting slot cooperation.
Preferably, multiple spray orifices are linearly distributed on cylinder wherein one side, and the intracorporal column extinguishing chemical of cylinder blocks spray
Hole.
Preferably, multiple spray orifices are linearly distributed from one end close to igniter to one end far from igniter, and
Diameter is gradually reduced.
Preferably, the spray orifice is towards the gap direction between each battery.
Preferably, the cylinder hollow cylindrical structure open for the other end closed at one end, a diameter of 5-20mm,
Height is 20-60mm.
In addition, the present invention also provides the extinguishing method of above-mentioned extinguishing device, it includes the following steps:
Step 1): when fire occurs, the fire point detection module in battery pack detects that microprocessor is put and transmitted a signal to fire,
Controlled by microprocessor fire device starts and lights column extinguishing chemical；
Step 2: column extinguishing chemical self-ignition end is gradually ignited towards the other end, and gradually discharges extinguishing chemical；
Step 3): extinguishing chemical is first sprayed from the spray orifice close to igniter outward, is kept off during spurting by column extinguishing chemical
Spray orifice firmly is gradually opened；
Step 4): extinguishing chemical is gradually sprayed to the spray orifice far from igniter outward, and extinguishing chemical is discharged into the seam between each battery
At gap, fire point is put out.
Beneficial effects of the present invention:
1, the volume of the extinguishing device is much smaller than the volume of existing extinguishing device, can accomplish that volume is lower than 2000 cubic millimeters,
It is easily installed in inside rechargeable battery pack, under the premise of reducing extinguishing device for rechargeable battery pack, while guaranteeing to go out
Fiery efficiency and equipment safety.
2, the diameter of the spray orifice from close to igniter end to far from igniting device end is smaller and smaller, works as igniter
When igniting, because combustion space is smaller in cylinder, column extinguishing chemical pressure in the surface layer combustion gasification rear cylinder body of igniter
Abruptly increase faces the danger of explosion, therefore injection diameter closer from igniter setting is larger if spray orifice bore is smaller, and
After column extinguishing chemical is gradually ignited, combustion space becomes larger in cylinder, at this moment if spray orifice bore crosses conference solid is gone out
The distance that fiery agent sprays is limited, to influence the effect of fire extinguishing；The set-up mode of above-mentioned spray orifice can guarantee efficiency of putting out a fire simultaneously
With equipment safety.
3, extinguishing agent storage components interior is passive state, and described in the present invention is to be relevant to existing existing technology without pressure
Have pressure for, i.e., extinguishing agent storage components interior and it is external there is no pressure difference, even if having pressure difference be also it is negligible,
It is stored for a long time conducive to extinguishing chemical, relative to existing extinguishing device (having pressure condition) 12 to 24 months Storage periods, present invention fire extinguishing
Device (passive state) extends to 60 months or more.
4, inner barrel is plugged multiple or whole spray orifices of extinguishing device when inactive on cylinder equipped with extinguishing chemical,
Igniter starting after, extinguishing chemical gradually decreases and spray orifice is gradually opened, guarantee device internal pressure will not abruptly increase, routinely
By fire suppression.
5, cylinder can use metal material, be convenient for recycling and reusing.
Detailed description of the invention
Fig. 1 is a kind of use state diagram of the microminiature extinguishing device of rechargeable battery pack；
Fig. 2 be extinguishing device in spray orifice towards gap direction between battery structural schematic diagram；
Fig. 3 be extinguishing device in spray orifice towards gap direction between battery another structural schematic diagram；
Fig. 4 is the structural schematic diagram of extinguishing device in Fig. 1；
Fig. 5 be igniter be fuse cord structure when structural schematic diagram；
Fig. 6 is a side linear distributing structural schematic diagram of multiple spray orifices in cylinder；
Fig. 7 is multiple spray orifices in the linear distributing another structural schematic diagram in a side of cylinder；
In figure, battery pack 1, battery 1.1, upper frame 1.2, lower frame 1.3, cylinder 2, cover 3, column extinguishing chemical 4, igniter
5, spray orifice 6, fire point detection module 7, limited block 8.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Fig. 1 to 7, a kind of microminiature extinguishing device of rechargeable battery pack, including it is set to each battery in battery pack 1
Cylinder 2 between 1.1 side walls and the cover 3 positioned at 2 one end of cylinder, the cylinder 2 is interior to be equipped with column extinguishing chemical 4, the column
4 end of extinguishing chemical is equipped with igniter 5, and 2 surface of cylinder offers multiple spray orifices 6.Igniter 5 can be set puts out a fire with column
4 one or both ends of agent, igniter 5 is provided only on 4 one end of column extinguishing chemical in the present embodiment.
Preferably, the igniter 5 is electric igniter structure, and fire point detection module 7 is additionally provided in battery pack 1, described
Fire point detection module 7 is connect by microprocessor with 5 control terminal of igniter.
Preferably, the fire point detection module 7 includes temperature sensor and/or smoke sensor device.Temperature sensor can be with
The temperature regime inside battery pack 1 is detected, smoke sensor device can detecte the situation that smog is generated inside battery pack 1, if hair
Raw abnormal, temperature sensor and smoke sensor device can transmit a signal to microprocessor, and then microprocessor can control igniting
Device 5 starts, and then lights column extinguishing chemical 4, carries out self-extinguishing process after discharging extinguishing chemical.Microprocessor in the present embodiment
51 single-chip microcontrollers, model 80C51 single-chip microcontroller can be selected, or selects STM32 microprocessor, model STM32F103.
Additionally preferably, the igniter 5 can also select fuse cord structure, and the cylinder 2 and cover 3 are removably
Connection, the column extinguishing chemical 4 are aerosol extinguishing agent.In the present embodiment, igniter 5 uses fuse cord structure (such as Fig. 5
It is shown), then 4 end of column extinguishing chemical directly can be connected by fuse cord one end, the other end is set to 2 outside of cylinder, when
Outside occurs that fuse cord can be lighted when fire, to light column extinguishing chemical 4.It in addition can be as shown in Figure 4 threaded connection
Mode, but the present embodiment not only limits this connection type, it can also be in such a way that other be detachably connected, such as pass through pin
Axis connection.
Preferably, as shown in Figure 1, battery pack 1 includes upper frame 1.2 and lower frame 1.3,1.1 both ends of the battery difference
It is mounted on frame 1.2 and lower frame 1.3；Limiting slot, the cylinder are offered on the upper frame 1.2 and lower frame 1.3
Limited block 8, limited block 8 and limiting slot cooperation are equipped on the outside of 3 outside of lid and cylinder 2.In the present embodiment, entire extinguishing device
It can be mounted in limiting slot by limited block 8, and upper frame 1.2 and lower frame 1.3 can also be with while limit battery 1.1
Internal extinguishing device is limited, it is very easy to use.
Preferably, multiple spray orifices 6 are linearly distributed on cylinder 2 wherein one side, and the column extinguishing chemical 4 in cylinder 2 is kept off
Firmly spray orifice 6.In the present embodiment, multiple spray orifices 6 are equipped on 2 surface of cylinder, spray orifice 6 can be evenly distributed in the table of cylinder 2
Three-dimensional fire extinguishing procedure may be implemented in face in this way, but since the capacity of extinguishing chemical is small, puts out a fire under a tridimensional structure
Effect is simultaneously bad；Spray orifice 6 can be provided only on a side of cylinder 2 in the present embodiment, and multiple spray orifices 6 are located at a cylinder
2 side, is the fire-fighting area of relative decrease, increases the effect of fire extinguishing in the identical situation of fire-fighting dose；This implementation
On the straight line for the side that spray orifice 6 can also be located at cylinder 2 in example (as shown in Figures 6 and 7), it can further reduce in this way
Fire-fighting area can further increase the effect of fire extinguishing in the identical situation of fire-fighting dose.
Preferably, multiple spray orifices 6 are linearly distributed from one end close to igniter 5 to one end far from igniter 5,
And diameter is gradually reduced (as shown in Figure 6).It is bigger from nearlyr 6 diameter of spray orifice of igniter 5 after designing in this way, from close to igniting
5 end of device to far from 5 end of igniter spray orifice 6 diameter be it is smaller and smaller, this setting benefit be to work as igniter
When 5 igniting, because combustion space is smaller in cylinder 2, column extinguishing chemical 4 is in the surface layer combustion gasification rear cylinder body 2 of igniter 5
Pressure abruptly increase faces the danger of explosion, therefore be arranged from nearlyr 6 diameter of spray orifice of igniter 5 if 6 bore of spray orifice is smaller
It is larger, and combustion space becomes larger after column extinguishing chemical 4 is gradually ignited, in cylinder 2, at this moment if 6 bore of spray orifice crosses conference
So that the distance that solid extinguishing agent sprays is limited, to influence the effect of fire extinguishing.
Preferably, the spray orifice 6 is towards the gap direction between each battery 1.1.As shown in Fig. 2, its corresponding is
Spray orifice 6 is located on the straight line of a side of cylinder 2, and spray orifice 6 is towards the side where gap between two rows of batteries
To；As shown in figure 3, it is surface that spray orifice 6 is evenly distributed in cylinder 2 that its is corresponding, three-dimensional fire extinguishing procedure is realized, each
Spray orifice 6 is towards gap direction between two batteries；It is fast that both above-mentioned designs are conducive to the extinguishing chemical sprayed from spray orifice 6
Speed is dispersed between each battery 1.1, achievees the effect that quick extinguishing.
Preferably, the cylinder 2 hollow cylindrical structure open for the other end closed at one end, a diameter of 5-20mm,
Its height is 20-60mm.The cylinder 2 of this size is well suited for being placed in the very narrow battery pack 1 of housing interior volume.
In addition, the present invention also provides the extinguishing method of above-mentioned extinguishing device, it includes the following steps:
Step 1): when fire occurs, the fire point detection module 7 in battery pack 1 detects that fire is put and transmits a signal to micro process
Device, controlled by microprocessor fire device 5 start and light column extinguishing chemical 4；
Step 2: 4 self-ignition end of column extinguishing chemical is gradually ignited towards the other end, and gradually discharges extinguishing chemical；
Step 3): extinguishing chemical is first sprayed from the spray orifice 6 close to igniter 5 outward, by column extinguishing chemical 4 during spurting
The spray orifice 6 blocked is gradually opened；
Step 4): extinguishing chemical is gradually sprayed to the spray orifice 6 far from igniter 5 outward, and extinguishing chemical is discharged between each battery 1.1
Gap at, by fire point put out.
With regard to currently available technology, the extinguishing concentration of aerosol can accomplish every 1 cube of 20g, the present embodiment
Extinguishing device reduces ten times in proportion, and (2 diameter of cylinder is 10mm, is highly 41mm), should at least reach 2g aerosol and go out 0.1
Cube extinguishing concentration, due to fire extinguishing spatial volume reduce, then in actual application process put out a fire spatial volume it is smaller,
The airtightness in space is better, is more advantageous to the extinguishing effect of aerosol total flooding in this way, so putting out a fire during practice
Concentration is greater than every 0.1 cube of 2g.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this Shen
Please in embodiment and embodiment in feature in the absence of conflict, can mutual any combination.Protection model of the invention
The technical solution that should be recorded with claim is enclosed, the equivalent replacement side of technical characteristic in the technical solution recorded including claim
Case is protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (10)
1. a kind of microminiature extinguishing device of rechargeable battery pack, including be set in battery pack (1) between each battery (1.1) side wall
Cylinder (2) and be located at the cover (3) of cylinder (2) one end, be equipped with column extinguishing chemical (4) in the cylinder (2), feature exists
In: column extinguishing chemical (4) end is equipped with igniter (5), and cylinder (2) surface offers multiple spray orifices (6).
2. a kind of microminiature extinguishing device of rechargeable battery pack according to claim 1, it is characterised in that: the igniting
Device (5) is electric igniter structure, and fire point detection module (7) is additionally provided in battery pack (1), and fire point detection module (7) is logical
Microprocessor is crossed to connect with igniter (5) control terminal.
3. a kind of microminiature extinguishing device of rechargeable battery pack according to claim 2, it is characterised in that: the fire point
Detection module (7) includes temperature sensor and/or smoke sensor device.
4. a kind of microminiature extinguishing device of rechargeable battery pack according to claim 1, it is characterised in that: the igniting
Device (5) is fuse cord structure, and the cylinder (2) and cover (3) are detachably connected, and the column extinguishing chemical (4) is that gas is molten
Glue extinguishing chemical.
5. a kind of microminiature extinguishing device of rechargeable battery pack according to claim 1, it is characterised in that: battery pack
It (1) include upper frame (1.2) and lower frame (1.3), battery (1.1) both ends are separately mounted to frame (1.2) and lower frame
On frame (1.3)；Limiting slot, cover (3) outside and cylinder are offered on the upper frame (1.2) and lower frame (1.3)
(2) outside is equipped with limited block (8), limited block (8) and limiting slot cooperation.
6. a kind of microminiature extinguishing device of rechargeable battery pack according to claim 1, it is characterised in that: multiple spray orifices
(6) it is linearly distributed on cylinder (2) wherein one side, the column extinguishing chemical (4) in cylinder (2) blocks spray orifice (6).
7. a kind of microminiature extinguishing device of rechargeable battery pack according to claim 6, it is characterised in that: multiple spray orifices
(6) it is linearly distributed from one end close to igniter (5) to one end far from igniter (5), and diameter is gradually reduced.
8. a kind of microminiature extinguishing device of rechargeable battery pack according to claim 1 or 6, it is characterised in that: described
Spray orifice (6) is towards the gap direction between each battery (1.1).
9. a kind of microminiature extinguishing device of rechargeable battery pack according to claim 1, it is characterised in that: the cylinder
(2) hollow cylindrical structure open for the other end closed at one end, a diameter of 5-20mm, height 20-60mm.
10. a kind of extinguishing method of any one of claim 1 to 9 extinguishing device, it is characterised in that: it includes following step
It is rapid:
Step 1): when fire occurs, fire point detection module (7) in battery pack (1) detects that fire is put and transmitted a signal to micro-
Processor, controlled by microprocessor fire device (5) start and light column extinguishing chemical (4)；
Step 2: column extinguishing chemical (4) self-ignition end is gradually ignited towards the other end, and gradually discharges extinguishing chemical；
Step 3): extinguishing chemical is first sprayed from the spray orifice (6) close to igniter (5) outward, is gone out during spurting by column
The spray orifice (6) that fiery agent (4) is blocked is gradually opened；
Step 4): extinguishing chemical is gradually sprayed to the spray orifice (6) far from igniter (5) outward, and extinguishing chemical is discharged into each battery
(1.1) at the gap between, fire point is put out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910506584.2A CN110170127B (en) | 2019-06-12 | 2019-06-12 | Microminiature fire extinguishing device with rechargeable battery pack and fire extinguishing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910506584.2A CN110170127B (en) | 2019-06-12 | 2019-06-12 | Microminiature fire extinguishing device with rechargeable battery pack and fire extinguishing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110170127A true CN110170127A (en) | 2019-08-27 |
| CN110170127B CN110170127B (en) | 2024-03-29 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910506584.2A Active CN110170127B (en) | 2019-06-12 | 2019-06-12 | Microminiature fire extinguishing device with rechargeable battery pack and fire extinguishing method thereof |
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| Country | Link |
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| CN (1) | CN110170127B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110743116A (en) * | 2019-10-08 | 2020-02-04 | 湖北及安盾消防科技有限公司 | Device capable of delaying spraying and continuously extinguishing fire and fire extinguishing method |
| CN110947128A (en) * | 2019-12-25 | 2020-04-03 | 湖北及安盾消防科技有限公司 | Hydrogel fire extinguishing agent preparation device |
| CN113509669A (en) * | 2020-04-10 | 2021-10-19 | 广州长科消防器材有限公司 | Fire extinguishing device |
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| CN110170127B (en) | 2024-03-29 |
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