CN113224405A - Prevent battery compartment structure that burning spreads - Google Patents
Prevent battery compartment structure that burning spreads Download PDFInfo
- Publication number
- CN113224405A CN113224405A CN202110436966.XA CN202110436966A CN113224405A CN 113224405 A CN113224405 A CN 113224405A CN 202110436966 A CN202110436966 A CN 202110436966A CN 113224405 A CN113224405 A CN 113224405A
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- Prior art keywords
- battery
- fire
- water inlet
- compartment structure
- battery compartment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention provides a battery compartment structure for preventing propagation of combustion, including: the device comprises an isolation bin (4), a battery support frame (16), a battery module (14), a water inlet pipe (1) and an overflow pipe (2); the battery support frame (16) is arranged in the isolation bin (4), and the battery modules (14) are distributed in the battery support frame (16); the separation bin (4) is provided with a closed space for containing cooling water, the water inlet pipe (1) and the overflow pipe (2) are arranged on the separation bin (4), the bottom of the separation bin (4) is provided with a bottom plate (5), the side of the separation bin (4) is provided with a circumferential panel arranged on the bottom plate (5), and the circumferential panel and the bottom plate (5) are made of two layers of steel plates and a flame retardant material clamped between the two layers of steel plates; the water inlet pipe (1) and the overflow pipe (2) are both made of stainless steel. When the temperature of the battery is out of control, the temperature of the battery is reduced in a cooling water immersion mode, and fire accidents are avoided.
Description
Technical Field
The invention relates to the technical field of electrochemical energy storage, in particular to a battery compartment structure for preventing combustion spreading.
Background
At present, a plurality of battery cabinets or battery clusters are arranged in a lithium ion battery power station, and when the lithium ion battery power station encounters high temperature, smoke, fire and other conditions, one battery cabinet or battery cluster can affect the surrounding battery cabinets or battery clusters, and after the lithium ion battery power station catches fire, the battery cabinets or the battery clusters are not easily extinguished and improper in treatment, so that fire of the whole battery power station is often caused.
In summary, the following problems exist in the prior art: when the existing lithium ion battery power station encounters the conditions of high temperature, smoke generation, fire catching and the like, one battery cabinet influences the surrounding battery cabinets or battery clusters, and after the battery cabinet or battery cluster catches fire, the battery cabinet or battery cluster is not easy to extinguish, so that the fire of the whole battery power station is easy to cause.
Disclosure of Invention
The invention solves the technical problem of how to prevent and control the influence of one battery cabinet on the surrounding battery cabinets or battery clusters after ignition, so that the battery cabinets or the battery clusters are not easy to extinguish and the fire of the whole battery power station is easy to cause.
To achieve the above object, the present invention provides a battery compartment structure for preventing propagation of combustion, comprising: the device comprises an isolation bin, a battery support frame, a battery module, a water inlet pipe and an overflow pipe;
the battery supporting frame is arranged in the isolation bin, and the battery modules are distributed in the battery supporting frame;
the isolation bin is provided with a closed space for containing cooling water, the water inlet pipe and the overflow pipe are both arranged on the isolation bin, the bottom of the isolation bin is provided with a bottom plate, a circumferential panel arranged on the bottom plate is arranged laterally on the isolation bin, and the circumferential panel is made of two layers of steel plates and a flame retardant material clamped between the two layers of steel plates;
the water inlet pipe and the overflow pipe are both made of stainless steel.
The water inlet pipe is provided with a plurality of water inlet holes along the height direction; the top of the water inlet pipe is provided with a flange connected with a fire-fighting system.
The top of the isolation bin is an open box, and the circumferential panels of the isolation bin are as follows: the fire-retardant rock wool comprises a front panel arranged at the front part, a rear panel arranged at the rear part and side plates arranged at two sides, wherein the front panel, the rear panel, a bottom plate and the side plates form a closed cuboid shape, a door is arranged on the front panel, and the fire-retardant material is fire-retardant rock wool.
The water inlet pipe extends into the isolation bin from the top, and the top of the overflow pipe is higher than the uppermost battery module.
One end of the overflow pipe is arranged in the isolation bin, and the other end of the overflow pipe is arranged outside the isolation bin.
The thickness of the flame retardant material filled in the circumferential panel is not less than 50 mm.
And a smoke sensing alarm is also arranged in the isolation bin.
The smoke detector alarm is arranged on the front panel and the rear panel and is positioned above the battery module at the top.
Each water inlet pipe is provided with an electromagnetic valve connected with the control cabinet.
The height of the bottom plate is more than 100 mm.
The invention has the advantages that when the temperature of the battery is out of control, the temperature of the battery can be reduced by injecting cooling water into the water inlet pipe through manual control and immersing the battery in the cooling water, so that fire accidents are avoided, and the isolation bin can prevent fire and flame and prevent water from permeating out. The invention can reduce the temperature of the whole battery by using water before the self-heating stage of the battery. The property safety is protected to the maximum extent, and the loss is reduced to the minimum extent. In addition, when the smoke alarm gives an alarm, the water inlet pipe can be filled with cooling water in a manual control mode and an electric mode.
Drawings
Fig. 1 is a side view schematically illustrating a battery compartment structure for preventing propagation of combustion according to an embodiment of the present invention;
fig. 2 is a schematic front view of a battery compartment structure for preventing propagation of combustion according to an embodiment of the present invention;
fig. 3 is a schematic sectional view showing an internal structure of a battery compartment structure for preventing propagation of combustion according to an embodiment of the present invention, i.e., a sectional view of B-B in fig. 1;
fig. 4 is a schematic cross-sectional view of a side view of a battery compartment structure for preventing propagation of fire according to an embodiment of the present invention, which is a cross-sectional view a-a in fig. 2;
fig. 5 is a schematic top view of a battery compartment structure for preventing propagation of combustion according to an embodiment of the present invention, in which an overflow pipe is removed.
The reference numbers illustrate:
1. a water inlet pipe; 2. an overflow pipe; 3. a flange; 4. an isolation bin; 5. a base plate; 7. a front panel; 8. a rear panel; 9. a side plate; 10. a water inlet hole; 11. a smoke detector alarm; 14. a battery module; 15. a pipe clamp; 16. a battery support frame; 17. and an overflow tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In an embodiment of the present invention, as shown in fig. 1, there is provided a battery compartment structure for preventing propagation of combustion, including: the device comprises an isolation bin 4, a battery support frame 16, a battery module 14 (also called a battery box), a water inlet pipe 1 and an overflow pipe 2;
the battery support frame 16 is arranged in the isolation bin 4, and the battery modules 14 are distributed in the battery support frame 16;
the isolation bin 4 is provided with a closed space for containing cooling water, the isolation bin of the battery is made of a corten A high weather-resistant steel plate, the effective thickness of the outer wall is not less than 1.6mm, and the effective thickness of the inner wall is not less than 3.0 mm; the water inlet pipe 1 and the overflow pipe 2 are both arranged on the isolation bin 4, the water inlet pipe 1 is arranged on one side (for example, at the right rear corner) of the isolation bin 4 and is perpendicular to the bottom of the isolation bin 4, the distance from the bottom of the water inlet pipe to the bottom of the isolation bin 4 is 100mm, and as shown in fig. 5, the water inlet pipe is fixed in the isolation bin 4 through a pipe clamp 15 so as to realize stable water injection. The pipe clamp is arch bridge-shaped and is fixed on the back panel through screws. The pipe clamp 15 is arc-shaped (arch bridge shape), the pipe clamp 15 is fixed on the rear panel through a screw, the water inlet pipe 1 is tightly attached to the rear panel, and the water inlet pipe 1 is fixed at a position close to the corner of the rear panel so as not to occupy the main space of the battery support frame and ensure the compactness of the battery support frame. As shown in fig. 4, the overflow pipe 2 is arranged at the other side of the separation bin 4 (for example, on the rear panel close to the left panel), one end of the overflow pipe 2 is arranged in the separation bin 4, one end of the overflow pipe 2 extends out of the separation bin 4, the center of the water outlet of the overflow pipe is located at a distance of 150mm from the outer surface of the separation bin 4, for example, so as to rapidly drain water, the overflow pipe is bent downward, the bending angle is 90 degrees, and the outlet of the overflow pipe is vertically downward. The waste water discharged from the overflow pipe is specially collected, and a stainless steel overflow box 17 is arranged on the ground right below an overflow port of the overflow pipe and used for collecting and storing the waste water discharged from the overflow port.
The bottom of the isolation bin is provided with a bottom plate 5, a circumferential panel arranged on the bottom plate 5 is arranged laterally of the isolation bin, and the circumferential panel is made of two layers of steel plates and a flame-retardant material clamped between the two layers of steel plates; preventing the fire from spreading.
The water inlet pipe 1 and the overflow pipe 2 are both made of stainless steel. The stainless steel pipe has excellent pressure resistance and high temperature resistance.
As shown in fig. 3, the water inlet pipe 1 is provided with a plurality of water inlet holes 10 along the height direction; so as to realize rapid water inlet; the distances of the water inlet holes 10 are equal, and the distances can be equal to the height of a battery module (also called a battery box), for example, the distances are 250mm, so that water can be fed into the battery module one by one. The diameter of the water inlet pipe 1 is, for example, 65mm so that water is injected within 5 minutes to flood the uppermost cell module. The top of the water inlet pipe 1 is provided with a flange 3 connected with a fire-fighting system. The flange 3 is a groove flange and can be quickly connected with other water inlet equipment of a fire hydrant or a fire fighting system. Cooling water pipe passes through the slot flange and advances water piping connection, and when battery temperature rose certain definite value, cooling water top-down poured into, flowed from the apopore, swamped the cooling to battery module 14 in the battery cabinet, prevented that the conflagration from taking place.
The isolation bin is in a box shape with an open top, so that a water inlet pipe and various electric wires and cables can be placed conveniently, and the electric wires and the cables are used for transmitting signals and transmitting electric power. The circumferential panels of the isolation bin are as follows: the fire-retardant rock wool comprises a front panel 7 arranged at the front part, a rear panel 8 arranged at the rear part and side panels 9 arranged at two sides, wherein the front panel 7, the rear panel 8, a bottom plate and the side panels 9 form a closed cuboid, as shown in figure 2, a door is arranged on the front panel 7, the fire-retardant material is fire-retardant rock wool, and the fire-retardant rock wool has excellent performances of fire prevention, heat preservation, sound insulation and the like.
The water inlet pipe extends into the isolation bin from the top, and the top of the overflow pipe 2 is higher than the uppermost battery module 14. The top of the overflow pipe is higher than the uppermost battery module, so that the water is injected into the battery module and is discharged after exceeding the uppermost battery module, and the battery module with fire hazard is guaranteed to be completely submerged.
One end of the overflow pipe 2 is arranged in the isolation bin, and the other end of the overflow pipe is arranged outside the isolation bin.
The thickness of the flame retardant material filled in the circumferential panel is not less than 50 mm. Achieving good flame-retardant effect.
And a smoke sensing alarm 11 is also arranged in the isolation bin. The smoke alarm is used for receiving signals of a large amount of smoke when a fire disaster happens and giving out alarm sound.
As shown in fig. 5, the smoke detector alarm 11 is provided on the front and rear panels and above the uppermost battery module 14. The smoke detector alarms 11 are arranged in a group in the left front part of the isolation bin and in a group in the right rear part of the isolation bin. The smoke detector alarm is arranged below the top plate and above the uppermost battery module.
Each water inlet pipe is provided with an electromagnetic valve connected with the control cabinet. When the temperature meets the linkage triggering condition, water starts to enter according to the fire-fighting signal, so that the whole battery compartment (isolation bin) is filled with water. And meanwhile, a manual ball valve (normally opened) is arranged for testing and water injection.
The height of the bottom plate is more than 100 mm. Plays a role of heat insulation.
The invention has the advantages that when the temperature of the battery is out of control, the temperature of the battery can be reduced by injecting cooling water into the water inlet pipe through manual control and immersing the battery in the cooling water, so that fire accidents are avoided, and the isolation bin can prevent fire and flame and prevent water from permeating out. The invention can reduce the temperature of the whole battery by using water before the self-heating stage of the battery. The property safety is protected to the maximum extent, and the loss is reduced to the minimum extent. In addition, when the smoke alarm gives an alarm, the water inlet pipe can be filled with cooling water in a manual control mode and an electric mode.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. In order that the components of the present invention may be combined without conflict, it is within the scope of the present invention that any person skilled in the art may make equivalent changes and modifications without departing from the spirit and principle of the present invention.
Claims (10)
1. A battery compartment structure for preventing propagation of a fire, comprising: the device comprises an isolation bin (4), a battery support frame (16), a battery module (14), a water inlet pipe (1) and an overflow pipe (2);
the battery support frame (16) is arranged in the isolation bin (4), and the battery modules (14) are distributed in the battery support frame (16);
the isolation bin (4) is provided with a closed space for containing cooling water, the water inlet pipe (1) and the overflow pipe (2) are both arranged on the isolation bin (4), the bottom of the isolation bin (4) is provided with a bottom plate (5), a circumferential panel arranged on the bottom plate (5) is arranged laterally of the isolation bin (4), and the circumferential panel is made of two layers of steel plates and a flame-retardant material clamped between the two layers of steel plates;
the water inlet pipe (1) and the overflow pipe (2) are both made of stainless steel.
2. The battery compartment structure for preventing propagation of combustion according to claim 1, wherein the water inlet pipe (1) is provided with a plurality of water inlet holes (10) in the height direction; the top of the water inlet pipe (1) is provided with a flange (3) connected with a fire-fighting system.
3. The battery compartment structure for preventing propagation of fire according to claim 1, wherein the isolation chamber (4) is a box type with an open top, and the circumferential panels of the isolation chamber (4) are: the fire-retardant rock wool comprises a front panel (7) arranged at the front part, a rear panel arranged at the rear part, side plates (9) arranged at two sides, a front panel (7), a rear panel (8), a bottom plate (5) and the side plates (9) which form a closed rectangular body, wherein a door is arranged on the front panel (7), and the fire-retardant rock wool is made of a fire-retardant material.
4. The battery compartment structure for preventing propagation of combustion according to claim 3, wherein the water inlet pipe (1) extends into the insulation silo (4) from the top, and the top of the overflow pipe (2) is higher than the uppermost battery module (14).
5. The battery compartment structure for preventing propagation of fire according to claim 1, wherein the overflow pipe (2) has one end inside the insulated bin (4) and the other end outside the insulated bin (4).
6. The battery compartment structure for preventing propagation of fire according to claim 1, wherein the thickness of the fire retardant material filled in the peripheral face plate is not less than 50 mm.
7. The battery compartment structure for preventing the spread of fire according to claim 1, wherein a smoke alarm (11) is further provided in the isolation chamber (4).
8. The battery compartment structure for preventing the spread of fire according to claim 7, wherein the smoke detector (11) is provided on the front panel (7) and the rear panel (8) above the uppermost battery module.
9. The battery compartment structure for preventing propagation of combustion according to claim 1, wherein each of the water inlet pipes is provided with a solenoid valve connected to the control cabinet.
10. A fire propagation prevention battery compartment structure according to claim 3, characterised in that the height of the base plate (5) is 100mm or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110436966.XA CN113224405A (en) | 2021-04-22 | 2021-04-22 | Prevent battery compartment structure that burning spreads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110436966.XA CN113224405A (en) | 2021-04-22 | 2021-04-22 | Prevent battery compartment structure that burning spreads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113224405A true CN113224405A (en) | 2021-08-06 |
Family
ID=77088593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110436966.XA Withdrawn CN113224405A (en) | 2021-04-22 | 2021-04-22 | Prevent battery compartment structure that burning spreads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113224405A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113629303A (en) * | 2021-10-09 | 2021-11-09 | 深圳市腾运发电子有限公司 | Wind energy storage standby power management method and system and intelligent terminal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210052822U (en) * | 2019-04-24 | 2020-02-11 | 北京能高自动化技术股份有限公司 | Closed liquid fire fighting device for energy storage battery |
| CN111326824A (en) * | 2020-03-02 | 2020-06-23 | 深圳市科陆电子科技股份有限公司 | Cellular energy storage container |
-
2021
- 2021-04-22 CN CN202110436966.XA patent/CN113224405A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210052822U (en) * | 2019-04-24 | 2020-02-11 | 北京能高自动化技术股份有限公司 | Closed liquid fire fighting device for energy storage battery |
| CN111326824A (en) * | 2020-03-02 | 2020-06-23 | 深圳市科陆电子科技股份有限公司 | Cellular energy storage container |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113629303A (en) * | 2021-10-09 | 2021-11-09 | 深圳市腾运发电子有限公司 | Wind energy storage standby power management method and system and intelligent terminal |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210806 |
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| WW01 | Invention patent application withdrawn after publication |