CN115869565A - PACK-level fire fighting method and structure - Google Patents
PACK-level fire fighting method and structure Download PDFInfo
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- CN115869565A CN115869565A CN202211645940.7A CN202211645940A CN115869565A CN 115869565 A CN115869565 A CN 115869565A CN 202211645940 A CN202211645940 A CN 202211645940A CN 115869565 A CN115869565 A CN 115869565A
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- 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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Abstract
The invention discloses a PACK-level fire fighting method and a structure in the technical field of batteries, and the PACK-level fire fighting method comprises an installation shell, a plurality of battery PACKs and a packaging plate arranged at the top of the battery PACKs, wherein each battery PACK comprises a packaging shell, packaging inner cavities are formed in the packaging shells, a plurality of batteries are uniformly packaged in the packaging inner cavities, an air storage tank is further packaged in the packaging inner cavities close to one ends of the batteries, compressed fire fighting gas is filled in the inner walls of the air storage tanks, exhaust pipes penetrate through the outer walls of the bottom ends of the air storage tanks and are fixed, electric control airtight valves are arranged in the exhaust pipes far away from one ends of the air storage tanks, a plurality of BMUs are uniformly arranged at the top and the bottom of the packaging inner cavities, the electric control airtight valves are started, the exhaust pipes are opened, the fire fighting gas in the air storage tanks is exhausted, fire fighting operation is carried out in the packaging inner cavities, fire fighting operation in the single battery PACK is completed, and the whole economic and potential safety hazards of loss of the battery PACK are reduced.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a PACK-level fire fighting method and structure.
Background
When the battery uses, according to the difference of using the scene, can encapsulate the combination with the battery and use, and when the battery uses in combination, its group battery inside temperature rising speed is higher than single battery to the probability of starting a fire of group battery has been increased, consequently, when the group battery uses, need in time carry out fire control operation to the panel.
In prior art, when most panel carried out the fire control operation, all carried out the fire control operation to the panel wholly through external equipment to when resulting in the inside fire of panel or high temperature, panel overall loss was too big, caused great potential safety hazard and economic loss, consequently this application provides a PACK level fire control method and structure.
Disclosure of Invention
The invention aims to provide a PACK-level fire fighting method and a PACK-level fire fighting structure, which are used for solving the problems that when a plurality of battery panels are subjected to fire fighting operation, the whole battery panels are subjected to fire fighting operation through external equipment, so that when fire breaks out in the battery panels or the temperature is too high, the whole loss of the battery panels is too large, and the large potential safety hazard and economic loss are caused.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a PACK level fire control structure, is including installation shell, a plurality of group battery and set up in the encapsulation board at group battery top, and is a plurality of the group battery all includes an encapsulation shell, and is a plurality of encapsulation inner chamber has all been seted up to encapsulation shell's inside, and is a plurality of encapsulation inner chamber's inside evenly packaged has a plurality of batteries, and is a plurality of the encapsulation inner chamber is close to the inside of battery one end and has still packaged a gas holder, and is a plurality of the inner wall of gas holder all fills compressed fire control gas, and is a plurality of the bottom outer wall of gas holder all runs through and is fixed with the blast pipe, and is a plurality of the inside that the gas holder one end was kept away from to the blast pipe all is provided with automatically controlled airtight valve, and is a plurality of on the copper bar of group battery is provided with a plurality of BMUs, and is a plurality of BMU's signal output part all with the control end signal connection of automatically controlled airtight valve, advances to monitor the operating temperature of battery in the installation shell through BMU to whether need start fire control device to carry out fire control operation in the encapsulation shell, to the fire control economic operation in individual group battery is accomplished to reduce the fire control panel of group battery to the whole loss of security.
Preferably: it is a plurality of the top of battery all runs through the top of encapsulation shell, and is a plurality of the top of battery all is fixed with connecting terminal, the encapsulation board sets up in the top of group battery, the bottom of encapsulation board is connected with connecting terminal's top electricity, establishes the electricity of encapsulation board and battery through connecting terminal and is connected to accomplish the circuit connection of battery.
Preferably: it is a plurality of the top of gas holder all runs through fixed connection with the top of encapsulation shell, and is a plurality of the top of gas holder is run through and is fixed with the connecting pipe, and is a plurality of the top of connecting pipe all is fixed with the gas tube, and is a plurality of the top of gas tube all with encapsulation board through connection, the top outer wall of gas tube all runs through threaded connection and has the airtight cover, can supply fire-fighting gas in the gas holder through gas tube cooperation airtight cover.
Preferably: the battery pack mounting structure is characterized in that a bottom cavity is formed in the top end of the mounting shell, an isolation layer is fixed inside the bottom cavity, a mounting cavity is formed in the top end of the isolation layer, a plurality of battery packs are arranged inside the mounting cavity, the isolation layer is matched with the mounting cavity through the bottom cavity to provide mounting space for the battery packs, and the bottom ends of the battery packs are protected.
Preferably: the top of one end of the packaging plate is fixedly provided with a connecting end socket, the top of the packaging plate is fixedly provided with a controller, and circuit connection between the battery plate and electric equipment is established through the connecting end socket.
A PACK-level fire fighting method is characterized in that:
including foretell fire control structure, and following step:
step 100: battery packaging, namely packaging the battery and the fire fighting device together to form a battery pack;
step 200: a battery assembly, wherein the packaged battery pack is installed to form a battery panel;
step 300: work control monitors the inside group battery temperature of panel through fire control unit, detects when fire control unit mistiming, then the panel normally works, when detecting unusually, then carries out the fire control operation in to independent group battery through fire control unit.
Preferably: in step 100, when encapsulating the battery and the fire fighting device, a threshold value is arranged in the BMU, the temperature monitoring result of step 300 is determined according to the detection value and the threshold value of the BMU, when the detection temperature is higher than the threshold value of the BMU, the fire fighting and cooling operation is determined to be needed, when the detection temperature is lower than the threshold value of the BMU, the panel is determined not to need to be subjected to the fire fighting and cooling operation, and at the moment, the panel normally operates.
Preferably: when the panel normally works, the fire control unit does not have action, when the inside operating temperature of the inside group battery of panel risees, then starts automatically controlled airtight valve and releases the fire control gas of gas holder intussuseption to carry out the fire control operation through fire control gas to the group battery is inside.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the input and the output of electric energy storage are carried out through the multiple groups of combined battery packs, and meanwhile, when the battery packs are used, the working temperature in a single battery pack can be detected, and whether a fire fighting device is started or not can be automatically judged, so that the fire fighting operation is carried out in the battery packs, the fire fighting operation is controlled in the single battery pack, and the economic loss and the potential safety hazard caused by the fire of the combined battery boards are reduced.
2. According to the invention, the high-pressure fire-fighting gas is stored through the gas storage tank, and whether the fire-fighting gas is released or not is judged according to the detection result of the BMU, wherein the judgment result is transmitted through an electric signal, so that the fire-fighting reaction efficiency is improved, and the fire-fighting effect of the battery pack is further improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3 at B according to the present invention;
fig. 5 is an enlarged schematic view of a sectional structure of a battery pack according to the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 5 at C according to the present invention;
FIG. 7 is a schematic flow chart of the method of the present invention.
In the figure: 1. a housing; 2. a battery pack; 3. a package board; 4. connecting the end heads; 5. an inflation tube; 6. an airtight cover; 7. a bottom end cavity; 8. an isolation layer; 9. a mounting cavity; 10. a battery; 11. a connection terminal; 12. a gas storage tank; 13. a connecting pipe; 14. packaging the inner cavity; 15. an exhaust pipe; 16. an electrically controlled airtight valve.
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 the first embodiment, referring to fig. 1, when the device is used in an access circuit, the mounting housing 1 is only required to be mounted at a proper position, and the device is accessed into the circuit through the connecting end 4 on the packaging plate 3 to perform charging and discharging operations, so as to achieve the energy storage effect of the device.
In this embodiment, the quantity of the battery packs 2 in the installation shell 1 can be selected according to actual conditions, so that the packaging combination operation of the battery boards is completed, meanwhile, in the using process, the installation shell 1 is installed at a proper position according to the actual using requirement, and a plurality of battery packs 2 in the device are connected into a circuit through the connecting end 4 to be charged and discharged.
Referring to fig. 2, in the present embodiment, the top of the gas storage tank 12 is provided with an inflation tube 5 and an airtight cover 6, so that the inflation tube 5 and the airtight cover 6 can supplement a fire fighting mixed gas into the gas storage tank 12, wherein the fire fighting mixed gas is formed by mixing nitrogen, argon and carbon dioxide, and the mixing ratio is: 48.8 to 55.2 percent; 37.2% -42.8%; 7.6% -8.4%, and the mixed gas is used for carrying out fire-fighting operation on the batteries 10 in the battery pack 2, and meanwhile, the batteries 10 in the battery pack 2 cannot be damaged when the fire-fighting operation is carried out.
Referring to fig. 5, in the present embodiment, the inner cavity 14 of the battery pack 2 is sealed, so as to ensure that the mixed gas does not leak when the fire protection operation is performed on the inside of the battery pack 2.
In the present embodiment, the electrical connection between the battery 10 and the package board 3 through the connection terminal 11 is well known to those skilled in the art and will not be described herein.
In the second embodiment, referring to fig. 7, in this embodiment, the step 300 further includes a step 310 and a step 320, that is, when the device is used to perform fire protection operation on the battery panel, the gas storage tank 12 filled with mixed gas is packaged together with the battery 10 through the packaging case 201, a threshold needs to be set in the BMU in the packaging case, and then a plurality of assembled battery packs 2 are installed in parallel to form a combined energy storage device, that is, the battery panel, so as to perform charging and discharging operations on the circuit, during the use, the operating temperature inside the battery pack 2 is monitored by the BMU, if the operating temperature inside the battery pack 2 is the operating temperature inside the packaging cavity 14, if the operating temperature inside the battery pack 2 is lower than the threshold set by the BMU, it is determined that the battery pack 2 is operating normally, there is no fire hazard, it is not necessary to start the fire protection device to perform the fire protection operation, if the temperature inside the packaging cavity 14 is higher than the threshold set by the BMU, it is determined that the temperature inside the battery pack 2 is too high, it is required to perform the fire protection operation, at this time, the airtight valve 16 is started, the mixed fire protection gas storage tank 12 is released through the exhaust pipe 15, thereby completing the fire protection operation, and reducing the fire protection operation of the battery pack 2, and reducing the loss caused by the loss of the battery pack.
In this embodiment, when the detection value of the BMU is lower than the set threshold value, the battery pack 2 normally operates, thereby reducing the influence of the fire fighting device on the operation of the battery pack 2, and simultaneously, when the fire fighting device performs fire fighting operation in the battery pack 2, the mixed gas thereof does not influence the normal use of the battery pack 2.
Referring to fig. 5, in the present embodiment, a plurality of batteries 10 are arranged in parallel, wherein a plurality of air containers 12 are arranged in the middle of the batteries 10 at intervals, and a plurality of BMUs are arranged at the top and bottom ends of the packaging cavity 14 in a staggered manner.
Referring to fig. 3, in the present embodiment, the battery pack 2 is assembled by selecting an appropriate number according to actual use conditions, so as to complete the assembly of the battery panel, and when a fire occurs, the fire is suppressed inside the battery pack 2 by the fire fighting device, so that the loss of the battery caused by the fire is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a PACK level fire control structure, includes installation shell (1), a plurality of group battery (2) and sets up in encapsulation board (3) at group battery (2) top, its characterized in that: it is a plurality of group battery (2) all includes a encapsulation shell (201), and is a plurality of encapsulation inner chamber (14) have all been seted up to the inside of encapsulation shell (201), and is a plurality of the inside uniform packaging of encapsulation inner chamber (14) has a plurality of battery (10), and is a plurality of encapsulation inner chamber (14) are close to the inside of battery (10) one end and have still packaged a gas holder (12), and are a plurality of the inner wall of gas holder (12) all is filled with compressed fire control gas, and is a plurality of the bottom outer wall of gas holder (12) all runs through and is fixed with blast pipe (15), and is a plurality of the inside that gas holder (12) one end was kept away from in blast pipe (15) all is provided with automatically controlled airtight valve (16), and is a plurality of be provided with a plurality of BMU on the copper bar of group battery (2), and is a plurality of BMU's signal output part all with the control end signal connection of automatically controlled airtight valve (16).
2. A PACK-class fire fighting structure according to claim 1, wherein: it is a plurality of the top of battery (10) all runs through the top of encapsulation shell (201), and is a plurality of the top of battery (10) all is fixed with connecting terminal (11), encapsulation board (3) set up in the top of group battery (2), the bottom of encapsulation board (3) is connected with the top electricity of connecting terminal (11).
3. A PACK-class fire fighting structure according to claim 1, wherein: it is a plurality of the top of gas holder (12) all runs through fixed connection with the top of encapsulation shell (201), and is a plurality of the top of gas holder (12) is run through and is fixed with connecting pipe (13), and is a plurality of the top of connecting pipe (13) all is fixed with gas tube (5), and is a plurality of the top of gas tube (5) all runs through threaded connection with encapsulation board (3) through connection, the top outer wall of gas tube (5) all runs through threaded connection and has airtight lid (6).
4. A PACK-class fire fighting structure according to claim 1, wherein: the battery pack mounting structure is characterized in that a bottom cavity (7) is formed in the top end of the mounting shell (1), an isolation layer (8) is fixed inside the bottom cavity (7), a mounting cavity (9) is formed in the top end of the isolation layer (8), and the battery packs (2) are arranged inside the mounting cavity (9).
5. A PACK-class fire fighting structure according to claim 1, wherein: the top of one end of the packaging plate (3) is fixedly provided with a connecting end (4), and the top of the packaging plate (3) is fixedly provided with a controller.
6. A PACK-level fire fighting method is characterized in that:
comprising the fire fighting structure of claims 1-5, and the steps of:
step 100: battery packaging, namely packaging the battery and the fire fighting device together to form a battery pack (2);
step 200: the battery combination is that the packaged battery pack (2) is installed to form a battery panel;
step 300: work control monitors the inside group battery (2) temperature of panel through fire control unit, detects when the fire control unit mistiming, then the panel normally works, when detecting unusually, then carries out the fire control operation in individual group battery (2) through fire control unit.
7. A PACK-class fire fighting method according to claim 6, characterized in that: in step 100, when the battery and the fire fighting device are packaged, a threshold value is arranged in the BMU, the temperature monitoring result in step 300 is judged and determined according to the detection value and the threshold value of the BMU, when the detection temperature is higher than the threshold value of the BMU, the fact that fire fighting and temperature reduction operations are needed is judged, when the detection temperature is lower than the threshold value set by the BMU, the fact that the battery panel does not need to conduct fire fighting and temperature reduction operations is judged, and at the moment, the battery panel normally operates.
8. A PACK-class fire fighting method according to claim 6, characterized in that: when the panel normally works, the fire fighting device has no action, when the internal working temperature of the battery pack (2) in the panel rises, the fire fighting gas filled in the gas storage tank (12) is released by starting the electric control airtight valve (16), and thereby the fire fighting operation is carried out on the internal part of the battery pack (2) through the fire fighting gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211645940.7A CN115869565A (en) | 2022-12-20 | 2022-12-20 | PACK-level fire fighting method and structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211645940.7A CN115869565A (en) | 2022-12-20 | 2022-12-20 | PACK-level fire fighting method and structure |
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| CN202211645940.7A Pending CN115869565A (en) | 2022-12-20 | 2022-12-20 | PACK-level fire fighting method and structure |
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