CN117638351A - Fireproof energy storage battery pack - Google Patents
Fireproof energy storage battery pack Download PDFInfo
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- CN117638351A CN117638351A CN202210952100.9A CN202210952100A CN117638351A CN 117638351 A CN117638351 A CN 117638351A CN 202210952100 A CN202210952100 A CN 202210952100A CN 117638351 A CN117638351 A CN 117638351A
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- energy storage
- storage battery
- fighting
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- 238000004146 energy storage Methods 0.000 title claims abstract description 50
- 238000012423 maintenance Methods 0.000 claims abstract description 20
- 230000009970 fire resistant effect Effects 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
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- 239000007921 spray Substances 0.000 description 10
- 239000002826 coolant Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
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- 230000017525 heat dissipation Effects 0.000 description 4
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
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Classifications
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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
Abstract
The invention provides a fireproof energy storage battery pack, which comprises a battery pack upper cover, a battery cell module and a bottom plate, wherein the battery pack upper cover and the bottom plate are detachably connected to form a cavity for accommodating the battery cell module; an external interface panel is arranged on the outer side face of the battery pack upper cover, and a fire-fighting detector and a fire-fighting nozzle are arranged on the external interface panel and are electrically connected. According to the fireproof energy storage battery pack, the battery pack upper cover can be detached to directly facilitate maintenance of the battery cell module, other box components are not required to be detached, the fire-fighting detector and the fire-fighting nozzle are arranged on the external interface panel, and when the fire-fighting system is overhauled or maintained, the fire-fighting detector and the fire-fighting nozzle can be conveniently replaced, so that the maintenance process is greatly simplified.
Description
Technical Field
The invention relates to the technical field of energy storage battery safety, in particular to a fireproof energy storage battery pack.
Background
Electrochemical energy storage is one of the key technologies in green transformation of electric power systems, and plays a vital role in achieving a carbon neutralization target. With the rapid development of energy storage technology, the energy density of an energy storage system is continuously improved, and the fire safety of an energy storage battery is a problem which is unavoidable in the industry. Once the energy storage battery is out of control due to internal aging or external impact and other factors, combustible gases such as hydrogen, carbon monoxide and the like can be generated, fire and even explosion are extremely easy to be caused, and great losses are caused to social production and personal safety. For this reason, energy storage systems need to develop more sophisticated and stringent fire protection measures. The existing energy storage fire-fighting configuration gradually goes deep into each energy storage battery pack from the whole energy storage system, but fire-fighting measures in the battery packs are often single, fire-fighting hidden dangers caused by accidental failure of equipment still exist, and in addition, as the service life of the fire-fighting system is generally lower than the design life of the energy storage battery packs, fire-fighting equipment in the energy storage system often needs to be disassembled, maintained and replaced for many times in one design period.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the fireproof energy storage battery pack, wherein the battery pack upper cover can be directly used for conveniently maintaining the battery cell module after being detached, other box body components are not required to be detached, and the fire-fighting detector and the fire-fighting nozzle are arranged on the external interface panel.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a fireproof energy storage battery pack comprises a battery pack upper cover, a battery cell module and a bottom plate, wherein the battery pack upper cover and the bottom plate are detachably connected to form a cavity for accommodating the battery cell module; an external interface panel is arranged on the outer side face of the battery pack upper cover, and a fire-fighting detector and a fire-fighting nozzle are arranged on the external interface panel and are electrically connected.
According to the fireproof energy storage battery pack, the battery pack upper cover is connected with the bottom plate to form the cavity for accommodating the battery cell module, and the battery cell module can be directly maintained after the battery pack upper cover is detached without disassembling other box body components. The fire-fighting detector is used for monitoring the fire-fighting condition inside the battery pack, once the internal battery core is out of control, the fire-fighting detector generates combustible gas such as carbon monoxide or hydrogen and the like, and the fire-fighting detector gives out an alarm and controls the fire-fighting spray head to spray the fire-fighting agent into the battery pack so as to timely carry out fire-fighting treatment on the battery pack. The fire-fighting detector and the fire-fighting nozzle are arranged on the external interface panel, and when the fire-fighting system is overhauled or maintained, the fire-fighting detector and the fire-fighting nozzle can be conveniently replaced only by taking down the external connecting screw, so that the maintenance process is greatly simplified.
Further improvements to the above described solution are possible as follows.
According to the fireproof energy storage battery pack of the invention, in a preferred embodiment, an external interface panel is detachably connected with the battery pack upper cover through a first base, and a front section of a fire detector and a rear cover of the fire detector are arranged on the external interface panel; the fire-fighting detector rear cover is connected with the first base in a detachable mode and stretches into the battery pack, the fire-fighting detector rear cover adopts a hollow structure, and the fire-fighting detector front section is integrated with the gas detection element and is connected with the first base in a detachable mode.
Specifically, the rear cover part of the fire-fighting detector adopts a hollow structure, is connected to the first base through a screw and stretches into the battery pack, the gas detection element is integrated at the front section and is fastened to the first base through the screw, the combustible gas can be contacted with the detection element through the hollow part of the rear cover and identified, and when the fire-fighting system is overhauled or maintained, the fire-fighting detection element and the fire-fighting spray head can be conveniently replaced only by taking down the external connection screw, so that the maintenance process is greatly simplified.
Further, in a preferred embodiment, the top of the external interface panel is also provided with an interface panel tab.
Specifically, the external interface panel is connected with the battery pack upper cover and the external interface panel base through screws respectively, and an interface panel pressing sheet is arranged between the screws and the external interface panel to improve the reliability of connection.
Further, in a preferred embodiment, a fire tube is disposed between the battery pack top cover and the battery cell stack.
The fireproof energy storage battery pack provided by the invention adopts multiple fire-fighting measures combining active fire extinguishment and passive fire prevention, so that the safety performance of the battery pack is greatly improved. Besides monitoring the gas in the battery pack through the fire-fighting detector and controlling the fire-fighting nozzle to actively extinguish fire, a fire-fighting probe tube is arranged between the battery cell module and the upper cover of the battery pack. Even if the fire-fighting detector or the fire-fighting spray head fails due to equipment failure, when the electric core is subjected to thermal runaway and catches fire, the fire detecting tube is softened and blasted after being heated to reach a preset temperature, and the fire extinguishing agent is automatically released to extinguish the fire in time.
Further, in a preferred embodiment, the inner surfaces of the battery pack upper cover and the bottom plate and the outer surface of the battery cell module are provided with a fireproof insulating layer.
In addition, the fireproof insulating paint layer is also sprayed in the fireproof energy storage battery pack, so that the leakage risk of the battery pack is reduced, the heat spreading rate can be delayed to a certain extent, and precious time is striven for fire protection and escape rescue.
Further, in a preferred embodiment, a slave control box is further arranged on the outer side face of the upper cover of the battery pack, and a slave control for collecting and processing the temperature and the voltage of the battery cell module is arranged in the slave control box.
The fireproof energy storage battery pack provided by the invention adopts the distributed battery management system to reduce the wiring workload of an installation site, each battery pack is independently provided with a slave control, and the slave control is responsible for collecting and processing the temperature, voltage and other information of each battery core in the battery pack, realizing the equalization function and feeding back and reporting to the master control so as to ensure the reliable operation of the battery management system.
Further, in a preferred embodiment, the slave box is detachably connected to the bottom plate through the second base, a maintenance opening is provided on the slave box, and a slave cover plate for sealing the maintenance opening is provided on the top of the slave box.
Specifically, from accuse is installed in from accuse box, from accuse box through second base and liquid cooling bottom plate connection, still set up the maintenance opening on from accuse box, the maintenance opening is sealed through from accuse apron, when maintaining, change and program code update to from accuse, need not dismantle the battery package whole, only need with the fastening screw of accuse apron tear down can, greatly reduced the maintenance degree of difficulty from the accuse.
Further, in a preferred embodiment, a slave gasket is disposed between the slave cover plate and the second base.
The structural stability of the slave control box can be further improved by arranging the slave control gasket between the slave control cover plate and the slave control base.
Specifically, in a preferred embodiment, the cell module includes two or more groups of cells, a module insulating sheet, a harness insulating sheet, front and rear end plates of the module, and bus bars, the front and rear end plates fix the cells by rolling, the bus bars are arranged at the tops of the cells, the harness insulating sheet is arranged on the bus bars, and the module insulating sheet is arranged on the harness insulating sheet.
Specifically, the battery core fixing ribbon and the front and rear end plates of the module mainly play roles in clamping the battery core and fixing the structure, the module insulating sheets play roles in isolating and insulating, and the wire harness isolating belt is mainly used for isolating wire harnesses.
Further, in a preferred embodiment, a clip groove for fixing the bus bar is provided on the harness isolation plate.
Specifically, be provided with a plurality of draw-in grooves on the pencil isolation belt, conveniently fix the busbar of connecting the positive negative pole of electric core when keeping apart the pencil, spare part slip when preventing to weld electric core and busbar and lead to the solder joint connection insecure.
Further, in a preferred embodiment, a flow channel is arranged on the bottom plate, and two ends of the flow channel are respectively provided with a liquid inlet and a liquid outlet.
Specifically, the inside runner that has designed of bottom plate has been full of the coolant liquid in the runner, and the runner both ends have set up inlet and liquid outlet respectively and have linked to each other with outside coolant liquid circulation system, and electric core module and bottom plate direct contact, electric core bottom position correspond the interior sprue position of bottom plate, conveniently derive electric core calorific capacity rapidly through cooling medium.
In particular, in a preferred embodiment, the flow channel is a serpentine flow channel.
Preferably, the circuitous curve-shaped flow passage with the main body width corresponding to the cell width is arranged in the bottom plate, for example, the S-shaped flow passage greatly increases the contact area between the cooling liquid and the bottom plate, and the beneficial effects of good temperature uniformity, high heat dissipation efficiency and good battery safety are realized.
Specifically, in another preferred embodiment, the flow channel is a serpentine linear flow channel.
By the same reason, by arranging the roundabout linear flow channel with the main body width equivalent to the electric core width, the contact area of the cooling liquid and the bottom plate is greatly increased, and the beneficial effects of good temperature uniformity, high heat dissipation efficiency and good battery safety are realized.
Further, in a preferred embodiment, fins are provided within the flow channels.
Preferably, fins are arranged in the flow channels, so that the heat exchange effect is further enhanced while the flow uniformity is improved.
Specifically, in a preferred embodiment, the fins are one or more of needle-shaped, diamond-shaped, rectangular, and circular.
The fins with the structural shape can well achieve the enhanced heat exchange effect.
Further, in a preferred embodiment, a thermally conductive layer is provided between the cell module and the base plate.
Specifically, set up the heat conduction layer in the middle of electric core and the bottom plate, can effectively improve heat exchange efficiency.
Further, in a preferred embodiment, the thermally conductive layer is a thermally conductive structural adhesive layer or a thermally conductive silicone pad.
Preferably, the heat conduction structural adhesive or the heat conduction silica gel pad is arranged between the battery core and the bottom plate, so that the effect of fastening connection is achieved, gaps between the battery core and the bottom plate can be filled, contact thermal resistance is obviously reduced, and heat exchange efficiency is improved.
Further, in a preferred embodiment, a gasket is provided between the battery pack upper cover and the bottom plate.
Specifically, the bottom plate is connected with the battery pack upper cover through the bolt, and the backing plate is arranged between the bottom plate and the battery pack upper cover to improve the stability of mechanical connection.
Compared with the prior art, the invention has the advantages that: can directly be convenient to maintain the electric core module after tearing down battery package upper cover, need not to dismantle other box parts, establish fire control detector and fire control shower nozzle and dispose on outside interface panel, when overhauling or maintaining above-mentioned fire control system, can conveniently change fire control detector and fire control shower nozzle, simplified the maintenance process greatly.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
fig. 1 schematically illustrates a split structure of a fire-resistant energy storage battery pack according to an embodiment of the present invention;
FIG. 2 schematically illustrates a split construction of an external interface panel in an embodiment of the invention;
FIG. 3 schematically illustrates a split structure of a slave control box according to an embodiment of the present invention;
FIG. 4 schematically illustrates a split structure of a battery cell module according to an embodiment of the present invention;
FIG. 5 schematically shows the overall structure of a base plate in an embodiment of the invention;
fig. 6 schematically shows the overall assembly structure of the backing plate and the base plate in the embodiment of the present invention.
In the drawings, like parts are designated with like reference numerals. The figures are not drawn to scale.
Detailed Description
The invention will now be described in further detail with reference to the drawings and the specific examples, which are not intended to limit the scope of the invention.
Fig. 1 schematically illustrates a split structure of a fire-resistant energy storage battery pack 10 according to an embodiment of the present invention. Fig. 2 schematically shows a split structure of the external interface panel 4 in an embodiment of the present invention. Fig. 3 schematically shows a split structure of the slave control box in the embodiment of the present invention. Fig. 4 schematically illustrates a split structure of a battery cell module according to an embodiment of the present invention. Fig. 5 schematically shows the overall structure of the base plate in the embodiment of the present invention. Fig. 6 schematically shows the overall assembly structure of the backing plate and the base plate in the embodiment of the present invention.
As shown in fig. 1, the fireproof energy storage battery pack 10 according to the embodiment of the invention comprises a battery pack upper cover 1, a battery core module 2 and a bottom plate 3, wherein the battery pack upper cover 1 and the bottom plate 3 are detachably connected to form a cavity for accommodating the battery core module 2, an external interface panel 4 is arranged on the outer side surface of the battery pack upper cover 1, a fire detector 41 and a fire nozzle 42 are arranged on the external interface panel 4, and the fire detector is electrically connected with the fire nozzle 42.
According to the fireproof energy storage battery pack disclosed by the embodiment of the invention, the battery pack upper cover is connected with the bottom plate to form the cavity for accommodating the battery cell module, and the battery cell module can be directly maintained after the battery pack upper cover is detached, so that other box body components are not required to be detached. The fire-fighting detector is used for monitoring the fire-fighting condition inside the battery pack, once the internal battery core is out of control, the fire-fighting detector generates combustible gas such as carbon monoxide or hydrogen and the like, and the fire-fighting detector gives out an alarm and controls the fire-fighting spray head to spray the fire-fighting agent into the battery pack so as to timely carry out fire-fighting treatment on the battery pack. The fire-fighting detector and the fire-fighting nozzle are arranged on the external interface panel, and when the fire-fighting system is overhauled or maintained, the fire-fighting detector and the fire-fighting nozzle can be conveniently replaced only by taking down the external connecting screw, so that the maintenance process is greatly simplified.
As shown in fig. 2, specifically, in the present embodiment, the external interface panel 4 is detachably connected to the battery pack upper cover 1 through the first base 43, and the external interface panel 4 is provided with a fire detector front section 411 and a fire detector rear cover 412; wherein, fire detector back lid 412 is connected with first base 43 in detachable mode and stretches into inside the battery package 10, and fire detector back lid 412 adopts hollow out construction, and fire detector anterior segment 411 integration gas detection element and with first base 43 in detachable mode connection. The external interface panel 4 also incorporates a plurality of components such as a negative connector 44, a pressure relief valve 45, a positive connector 46, an MSD service switch 47, and a low voltage connector 48. Specifically, the rear cover part of the fire-fighting detector adopts a hollow structure, is connected to the first base through a screw and stretches into the battery pack, the gas detection element is integrated at the front section and is fastened to the first base through the screw, the combustible gas can be contacted with the detection element through the hollow part of the rear cover and identified, and when the fire-fighting system is overhauled or maintained, the fire-fighting detection element and the fire-fighting spray head can be conveniently replaced only by taking down the external connection screw, so that the maintenance process is greatly simplified.
Further, as shown in fig. 2, in this embodiment, the top of the external interface panel 4 is also provided with an interface panel presser 49. Specifically, the external interface panel is connected with the battery pack upper cover and the external interface panel base through screws respectively, and an interface panel pressing sheet is arranged between the screws and the external interface panel to improve the reliability of connection.
Further, as shown in fig. 1, in the present embodiment, a fire tube 5 is provided between the battery pack upper cover 1 and the battery cell module 2. The fireproof energy storage battery pack provided by the embodiment of the invention adopts a plurality of fire-fighting measures combining active fire extinguishment and passive fire prevention, so that the safety performance of the battery pack is greatly improved. Besides monitoring the gas in the battery pack through the fire-fighting detector and controlling the fire-fighting nozzle to actively extinguish fire, a fire-fighting probe tube is arranged between the battery cell module and the upper cover of the battery pack. Even if the fire-fighting detector or the fire-fighting spray head fails due to equipment failure, when the electric core is subjected to thermal runaway and catches fire, the fire detecting tube is softened and blasted after being heated to reach a preset temperature, and the fire extinguishing agent is automatically released to extinguish the fire in time.
Further, in the present embodiment, the inner surfaces of the battery pack upper cover 1 and the bottom plate 3 and the outer surface of the battery cell module are provided with fireproof insulation layers. In addition, the fireproof insulating paint layer is also sprayed in the fireproof energy storage battery pack, so that the leakage risk of the battery pack is reduced, the heat spreading rate can be delayed to a certain extent, and precious time is striven for fire protection and escape rescue.
As shown in fig. 1 and 3, further, in the present embodiment, a slave control box 6 is further provided on the outer side surface of the battery pack upper cover 1, and a slave control 61 for collecting and processing the temperature and voltage of the battery cell module is provided in the slave control box 6. The fireproof energy storage battery pack provided by the embodiment of the invention adopts the distributed battery management system to reduce the wiring workload of an installation site, each battery pack is independently provided with a slave control, and the slave control is responsible for collecting and processing the temperature, voltage and other information of each battery core in the battery pack, realizing the equalization function and feeding back and reporting to the master control so as to ensure the reliable operation of the battery management system.
Further, in the present embodiment, as shown in fig. 3, the slave box 6 is detachably connected to the bottom plate 3 through the second base 62, a maintenance opening is provided on the slave box 6, and a slave cover 63 for sealing the maintenance opening is provided on the top of the slave box 6. Specifically, from accuse is installed in from accuse box, from accuse box through second base and liquid cooling bottom plate connection, still set up the maintenance opening on from accuse box, the maintenance opening is sealed through from accuse apron, when maintaining, change and program code update to from accuse, need not dismantle the battery package whole, only need with the fastening screw of accuse apron tear down can, greatly reduced the maintenance degree of difficulty from the accuse. Further, in the present embodiment, a slave gasket 64 is provided between the slave cover 63 and the second base 62. The structural stability of the slave control box can be further improved by arranging the slave control gasket between the slave control cover plate and the slave control base.
Specifically, as shown in fig. 1, in this embodiment, the front end of the upper cover 1 of the battery pack is provided with two openings, which are respectively connected with the external interface panel 4 and the slave control box 6, so that the entire fireproof energy storage battery pack has a compact structure and is easy to assemble, disassemble and maintain.
As shown in fig. 4, specifically, in the present embodiment, the cell module 2 includes two or more groups of cells 21, a module insulating sheet 22, a harness insulating sheet 23, module front and rear end plates 24, 25, and bus bars 27, the front and rear end plates 24 fix the cells 21 by a rolling belt 26, the bus bars 25 are arranged on top of the cells 21, the harness insulating sheet 23 is arranged on the bus bars 25, and the module insulating sheet 22 is arranged on the harness insulating sheet 23. Specifically, the battery core fixing ribbon and the front and rear end plates of the module mainly play roles in clamping the battery core and fixing the structure, the module insulating sheets play roles in isolating and insulating, and the wire harness isolating belt is mainly used for isolating wire harnesses.
Further, in the present embodiment, a clip groove for fixing the bus bar 27 is provided on the harness isolation plate 23. Specifically, be provided with a plurality of draw-in grooves on the pencil isolation belt, conveniently fix the busbar of connecting the positive negative pole of electric core when keeping apart the pencil, spare part slip when preventing to weld electric core and busbar and lead to the solder joint connection insecure.
As shown in fig. 5 and 6, in this embodiment, a flow channel 31 is provided on the bottom plate 3, and two ends of the flow channel 31 are respectively provided with a liquid inlet 32 and a liquid outlet 33. Specifically, the inside runner that has designed of bottom plate has been full of the coolant liquid in the runner, and the runner both ends have set up inlet and liquid outlet respectively and have linked to each other with outside coolant liquid circulation system, and electric core module and bottom plate direct contact, electric core bottom position correspond the interior sprue position of bottom plate, conveniently derive electric core calorific capacity rapidly through cooling medium.
Specifically, in the present embodiment, the flow passage 31 is a serpentine flow passage. Preferably, the circuitous curve-shaped flow passage with the main body width corresponding to the cell width is arranged in the bottom plate, for example, the S-shaped flow passage greatly increases the contact area between the cooling liquid and the bottom plate, and the beneficial effects of good temperature uniformity, high heat dissipation efficiency and good battery safety are realized. As shown in fig. 5, in particular, in the present embodiment, the flow passage 31 may be a roundabout linear flow passage. By the same reason, by arranging the roundabout linear flow channel with the main body width equivalent to the electric core width, the contact area of the cooling liquid and the bottom plate is greatly increased, and the beneficial effects of good temperature uniformity, high heat dissipation efficiency and good battery safety are realized.
Further, in the present embodiment, fins are provided in the flow passage 31. Preferably, fins are arranged in the flow channels, so that the heat exchange effect is further enhanced while the flow uniformity is improved. Specifically, in the present embodiment, the fins are one or more of needle-shaped, diamond-shaped, rectangular, and circular. The fins with the structural shape can well achieve the enhanced heat exchange effect.
Further, in the present embodiment, a heat conductive layer is provided between the cell module 2 and the bottom plate 3. Specifically, set up the heat conduction layer in the middle of electric core and the bottom plate, can effectively improve heat exchange efficiency. Further, in this embodiment, the heat conducting layer is a heat conducting structural adhesive layer or a heat conducting silica gel pad. Preferably, the heat conduction structural adhesive or the heat conduction silica gel pad is arranged between the battery core and the bottom plate, so that the effect of fastening connection is achieved, gaps between the battery core and the bottom plate can be filled, contact thermal resistance is obviously reduced, and heat exchange efficiency is improved.
Further, as shown in fig. 6, in the present embodiment, a spacer 7 is provided between the battery pack upper cover 1 and the bottom plate 3. Specifically, the bottom plate is connected with the battery pack upper cover through the bolt, and the backing plate is arranged between the bottom plate and the battery pack upper cover to improve the stability of mechanical connection.
According to the embodiment, the fire-proof energy storage battery pack can be used for conveniently maintaining the battery cell module directly after the upper cover of the battery pack is detached, other box body components are not required to be detached, the fire-proof detector and the fire-proof spray head are arranged on the external interface panel, and the fire-proof detector and the fire-proof spray head can be conveniently replaced when the fire-proof system is overhauled or maintained, so that the maintenance process is greatly simplified.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (18)
1. The fireproof energy storage battery pack is characterized by comprising a battery pack upper cover, an electric core module and a bottom plate; wherein,
the battery pack upper cover and the bottom plate are detachably connected to form a cavity for accommodating the battery cell module;
an external interface panel is arranged on the outer side surface of the battery pack upper cover;
the fire-fighting nozzle is characterized in that a fire-fighting detector and a fire-fighting nozzle are arranged on the external interface panel, and the fire-fighting detector is electrically connected with the fire-fighting nozzle.
2. The fire protection energy storage battery pack according to claim 1, wherein the external interface panel is detachably connected with the battery pack upper cover through a first base, and a fire detector front section and a fire detector rear cover are arranged on the external interface panel; wherein,
the fire-fighting detector rear cover is detachably connected with the first base and extends into the battery pack, and the fire-fighting detector rear cover adopts a hollowed-out structure;
the fire detector front section integrates a gas detection element and is detachably connected with the first base.
3. The fire resistant energy storage battery pack of claim 2, wherein the top of the external interface panel is further provided with an interface panel tab.
4. A fire resistant energy storage battery pack as claimed in any one of claims 1 to 3, wherein a fire probe is provided between the battery pack upper cover and the cell module.
5. The fire resistant energy storage battery pack of any one of claims 1 to 3, wherein the inner surfaces of the battery pack upper cover and the bottom plate and the outer surface of the cell module are provided with a fire resistant insulating layer.
6. The fire resistant energy storage battery pack according to any one of claims 1 to 3, wherein a slave control box is further arranged on the outer side face of the battery pack upper cover, and a slave control for collecting and processing the temperature and voltage of the battery cell module is arranged in the slave control box.
7. The fire protection energy storage battery pack according to claim 6, wherein the slave control box is detachably connected with the bottom plate through a second base, a maintenance opening is formed in the slave control box, and a slave control cover plate for sealing the maintenance opening is arranged on the top of the slave control box.
8. The fire resistant energy storage battery pack of claim 7, wherein a slave gasket is disposed between the slave cover plate and the second base.
9. The fire resistant energy storage battery pack of any one of claims 1 to 3 wherein said cell module comprises two or more groups of cells, module insulation sheets, harness insulation sheets, module front and rear end plates, and buss bars;
the front end plate and the rear end plate fix the battery cells through rolling belts, the busbar is arranged at the top of the battery cells, and the wire harness isolation plate is arranged on the busbar; the module insulating sheet is disposed on the harness isolation plate.
10. The fire resistant energy storage battery pack of claim 9, wherein the harness isolation plate is provided with a clamping groove for fixing the busbar.
11. A fire resistant energy storage battery pack according to any one of claims 1 to 3 wherein the base plate is provided with a flow passage, the flow passage being provided with a liquid inlet and a liquid outlet at each end.
12. The fire resistant energy storage battery pack of claim 11 wherein said flow channels are serpentine flow channels.
13. The fire resistant energy storage battery pack of claim 11 wherein said flow channels are serpentine linear flow channels.
14. The fire resistant energy storage battery pack of claim 11 wherein fins are disposed within said flow channels.
15. The fire resistant energy storage battery pack of claim 14, wherein said fins are one or more of needle-like, diamond-shaped, rectangular, and circular.
16. A fire resistant energy storage battery pack as claimed in any one of claims 1 to 3, wherein a thermally conductive layer is provided between the cell module and the base plate.
17. The fire resistant energy storage battery pack of claim 16, wherein the thermally conductive layer is a thermally conductive structural adhesive layer or a thermally conductive silicone pad.
18. A fire resistant energy storage battery pack as claimed in any one of claims 1 to 3 wherein a backing plate is provided between the pack upper cover and the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210952100.9A CN117638351A (en) | 2022-08-09 | 2022-08-09 | Fireproof energy storage battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210952100.9A CN117638351A (en) | 2022-08-09 | 2022-08-09 | Fireproof energy storage battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117638351A true CN117638351A (en) | 2024-03-01 |
Family
ID=90015033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210952100.9A Pending CN117638351A (en) | 2022-08-09 | 2022-08-09 | Fireproof energy storage battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117638351A (en) |
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2022
- 2022-08-09 CN CN202210952100.9A patent/CN117638351A/en active Pending
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