CN214753963U - Battery pack for ship and electric ship - Google Patents

Battery pack for ship and electric ship Download PDF

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Publication number
CN214753963U
CN214753963U CN202120480867.7U CN202120480867U CN214753963U CN 214753963 U CN214753963 U CN 214753963U CN 202120480867 U CN202120480867 U CN 202120480867U CN 214753963 U CN214753963 U CN 214753963U
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Prior art keywords
battery pack
fire
box body
marine
box cover
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CN202120480867.7U
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Inventor
王景永
冯朝均
何逸
江吉兵
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Hubei Eve Power Co Ltd
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Hubei Eve Power Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The invention discloses a marine battery pack and an electric ship, wherein the marine battery pack comprises a box cover, a box body, a battery module, a sealing ring, a fire-fighting facility and a battery management system, the box cover is connected with the box body through a mechanical buckle structure, the mechanical buckle structure comprises a reverse mechanical lock catch structure arranged at the lower end of the box cover and a flanging structure arranged at the upper end of the box body, the sealing ring is arranged between the reverse mechanical lock catch structure and the flanging structure, and the reverse mechanical lock catch structure compresses the sealing ring to rebound and lock the flanging structure; the battery module is arranged in the box body, and one side of the battery module is connected with the battery management system; the fire-fighting equipment is arranged in a cavity formed by connecting the box cover and the box body. The invention solves the problems that the connection mode of the marine battery pack in the prior art is insufficient in air tightness and is not suitable for the working environment of a water area.

Description

Battery pack for ship and electric ship
Technical Field
The invention relates to the technical field of battery application, in particular to a battery pack for a ship and an electric ship.
Background
Along with the establishment of relevant standards and specifications of the marine power battery system, corresponding policies are established by the nation at the same time, and the development of new energy ships is rapidly promoted. The battery pack commonly adopted in the industry is that the box cover and the box body are assembled in a screw locking mode, the box body and the box cover need to be perforated, so that the air tightness is poor, and if the air tightness is insufficient, water can enter the battery pack and the battery is short-circuited, so that the battery is damaged; meanwhile, the conventional fixing modes such as screws are used, and the parts are easy to rust due to the fact that the working environment is moist, time is consumed during disassembly and assembly, and the cost is increased.
Disclosure of Invention
The invention aims to provide a battery pack for a ship and an electric ship, and the battery pack for the ship and the electric ship can solve the problems that in the prior art, the connection between a battery pack box body and a box cover for the ship is insufficient in air tightness, and the connection mode is not suitable for the working environment of a water area.
The purpose of the invention is realized by the following technical scheme:
on one hand, the invention provides a marine battery pack which comprises a box cover, a box body, a battery module, a sealing ring, a fire-fighting facility and a battery management system, wherein the box cover is connected with the box body through a mechanical buckle structure, the mechanical buckle structure comprises a reverse mechanical buckle structure arranged at the lower end of the box cover and a flanging structure arranged at the upper end of the box body, the sealing ring is arranged between the reverse mechanical buckle structure and the flanging structure, and the reverse mechanical buckle structure compresses the sealing ring to rebound and lock the flanging structure;
the battery module is arranged in the box body, and one side of the battery module is connected with the battery management system; the fire-fighting equipment is arranged in a cavity formed by connecting the box cover and the box body.
Furthermore, the reverse mechanical locking structure is a semi-surrounding structure formed by connecting a horizontal section, a vertical end and an inclined section; the flanging structure is designed in an inverted U shape, and the inclined section of the reverse mechanical lock catch structure is connected with the short edge of the U-shaped opening of the flanging structure to form a mechanical buckle.
Furthermore, the fire-fighting equipment comprises a fire detection module, an electric valve and a fire extinguishing device, wherein an actuating element of the electric valve is connected with the fire detection module for providing fire, a valve of the electric valve is connected with the fire extinguishing device for extinguishing fire, and the actuating element controls the valve to be opened and closed.
Further, extinguishing device includes ring conduit and return bend, the ring conduit is connected the one end of return bend, the return bend middle part is connected the valve of motorised valve, the other end of return bend is connected and is put out a fire starting switch, it installs to put out a fire starting switch on the mounting hole that the case lid side set up.
Furthermore, one side of the annular pipeline facing the middle part of the battery module is provided with fire extinguishing material outlets which are uniformly distributed.
Furthermore, waterproof strips are arranged at the flanging structures.
Furthermore, the left side of the box body is provided with a charging interface and a communication interface, the charging interface is electrically connected with the battery module, and the communication interface is in communication connection with the battery management system.
Furthermore, the battery pack is installed in a drawer type, and fixing blind holes are formed in two sides of a box body of the battery pack.
Furthermore, the marine battery pack is made of HC340LA, and the surface of the marine battery pack is subjected to electrophoresis baking finish treatment.
In another aspect, the invention further provides an electric ship, which comprises the marine battery pack.
According to the battery pack structure, the box cover and the box body are connected in a mechanical buckling mode, the box cover is provided with the reverse mechanical locking structure, the box body is provided with the flanging structure, the sealing ring is additionally arranged between the box cover and the box body, the box cover rebounds by compressing the sealing ring, the flanging structure of the box body is locked by the reverse mechanical locking structure of the box cover, and the connection air tightness is guaranteed. Because the material and the surface treatment mode that the battery package adopted have increased its resistant insulating nature, corrosion resistance and anti salt fog ability, guaranteed that the whole protection level that possesses IP67 of battery package structure for whole battery package does not fear moist operational environment. The battery pack structure is internally provided with a fire-fighting facility, when the fire detection module detects abnormal fire, the fire detection module sends a signal to an execution element of the electric valve, when the execution element receives the abnormal fire, the execution element controls the valve and opens the valve, and simultaneously the electric valve is started to release fire-extinguishing materials to be transmitted to the fire-extinguishing device, and the fire-extinguishing device carries out fire treatment on the inside of the whole battery pack through a fire-extinguishing incoming material outlet of the annular pipeline; when the fire detection module detects that the fire is normal, the actuating element of the electric valve is signaled, the actuating element controls the valve and closes the valve when receiving the normal fire, and meanwhile, the electric valve stops releasing the fire extinguishing material.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an overall explosion structure of a marine battery pack according to the present invention;
FIG. 2 is a schematic view of the overall appearance structure of the marine battery pack according to the present invention;
FIG. 3 is a schematic view of a part of the structure of the battery pack for a ship according to the present invention;
fig. 4 is a partially enlarged structural diagram of a in fig. 3 according to the present invention.
The reference numbers are as follows:
1-box cover, 2-battery module, 3-box body, 4-battery management system, 5-fire monitoring module, 6-electric valve, 7-fire extinguishing device, 8-sealing ring, 11-rectangular notch, 12-mounting hole, 13-reverse mechanical lock catch structure, 131-horizontal segment, 132 vertical segment, 133 inclined segment, 14-rectangular opening, 31-waterproof strip, 32-handle, 33-flanging structure, 331-short edge, 34-fixed blind hole, 35-charging interface, 36-communication interface, 71-annular pipeline, 72-elbow, 711-fire extinguishing material outlet and 721-fire extinguishing starting switch.
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.
Referring to fig. 1 to 4, the battery pack for the ship of the present invention includes a box cover 1, a box body 3, a battery module 2, a sealing ring 8, a fire protection device, and a battery management system 4, wherein the box cover 1 is connected to the box body 3 through a mechanical fastening structure, the mechanical fastening structure includes a reverse mechanical locking structure 13 disposed at a lower end of the box cover 1 and a flanging structure 33 disposed at an upper end of the box body 3, the sealing ring 8 is installed between the reverse mechanical locking structure 13 and the flanging structure 33, and the reverse mechanical locking structure 13 compresses the sealing ring 8 to rebound and lock the flanging structure 33.
The battery module 2 is arranged in the box body 3, and one side of the battery module 2 is connected with the battery management system 4; the fire-fighting equipment is arranged in a cavity formed by connecting the box cover 1 and the box body 3.
It should be noted that, because the mechanical buckle connection mode is simple, the installation and the disassembly are more convenient; meanwhile, the sealing ring 8 has elasticity, so that the box cover can rebound through the compression amount of the sealing ring 8, the reverse mechanical lock catch structure of the box cover locks the flanging structure of the box body, and the good air tightness of the joint is ensured. And the rectangular openings 14 which are uniformly distributed are formed in the connection of the lower end of the box cover 1 and the box body 3, more force applying space is provided when the box body 3 and the box cover 1 are disassembled due to the existence of the rectangular openings 14, and the disassembling efficiency of the box body 3 and the box cover 1 is improved.
Specifically, as shown in fig. 4, the reverse mechanical locking structure 13 is a semi-enclosed structure formed by connecting a horizontal section 131, a vertical end 132 and an inclined section 133; flanging structure 33 is an inverted U type design, including two vertical sections and a parallel section, and one section vertical section is the minor face even, and one section is the long limit, connects reverse mechanical hasp structure 13's slope section 133 with the minor face 331 of the vertical section of the U type opening part of flanging structure 33 is connected and is formed mechanical buckle.
It should be noted that under the action of the elastic force of the sealing ring 8, a large interaction force is formed after the inclined section 133 is connected with the short edge 331, so that the cover 1 is connected with the box body 3 more firmly.
Specifically, the fire fighting equipment comprises a fire detection module 5, an electric valve 6 and a fire extinguishing device 7, wherein an actuating element of the electric valve 6 is connected with the fire detection module 5 for providing a fire, a valve of the electric valve 6 is connected with the fire extinguishing device 7 for extinguishing a fire, and the actuating element controls the valve to be opened and closed.
It should be noted that, after the fire detection module 5 detects the abnormal situation of the fire, the signal is sent to the actuating element of the electric valve, and when the actuating element receives the abnormal fire, the valve is controlled and opened, and meanwhile, the electric valve is started to release the fire extinguishing material and transmit the fire extinguishing material to the fire extinguishing apparatus for fire treatment; when the fire detection module detects that the fire is normal, the actuating element of the electric valve is signaled, the actuating element controls the valve and closes the valve when receiving the normal fire, and meanwhile, the electric valve stops releasing the fire extinguishing material.
Specifically, the fire extinguishing device 7 includes an annular pipe 71 and an elbow pipe 72, the annular pipe 71 is connected to one end of the elbow pipe 72, the middle of the elbow pipe 72 is connected to the valve of the electric valve 6, the other end of the elbow pipe 72 is connected to a fire extinguishing starting switch 721, and the fire extinguishing starting switch 721 is installed on the installation hole 12 formed in the side surface of the case cover 1.
Specifically, the side of the annular duct 71 facing the middle of the battery module 2 is provided with evenly distributed fire extinguishing material outlets 711.
In addition, the fire extinguishing material outlet 711 can cover the entire battery module 2, ensuring the fire extinguishing efficiency in case of abnormal fire.
Specifically, the waterproof strip 31 is arranged at the flanging structure 33. The waterproof performance in the battery is further ensured on the premise of air tightness.
Specifically, box 3 left side is provided with interface 35 and the communication interface 36 that charges, charge interface 35 with battery module 2 electric connection, communication interface 36 with battery management system 4 communication is connected.
In specific implementation, the battery pack is installed in a drawer type, and fixing blind holes 34 are formed in two sides of a box body 3 of the battery pack. Make things convenient for a plurality of battery packages to fix on the battery frame, the component system, box 2 is provided with the handle beside fixed blind hole 34 simultaneously, makes things convenient for the transport and the installation of whole battery package.
Specifically, the marine battery pack is made of HC340LA, and the surface of the marine battery pack is subjected to electrophoresis baking finish treatment. The material and surface treatment of the marine battery pack increase the insulation resistance, corrosion resistance and salt spray resistance of the whole marine battery pack, ensure that the whole marine battery pack has the protection grade of IP67, effectively solve the problem of the working environment of the marine battery pack in a humid water area, prolong the service life of the marine battery pack and improve the use safety.
The invention provides an electric ship, which comprises the marine battery pack.
According to the battery pack structure, the box cover and the box body are connected in a mechanical buckling mode, the box cover is provided with the reverse mechanical locking structure, the box body is provided with the flanging structure, the sealing ring is additionally arranged between the box cover and the box body, the box cover rebounds by compressing the sealing ring, the flanging structure of the box body is locked by the reverse mechanical locking structure of the box cover, and the connection air tightness is guaranteed. Because the material and the surface treatment mode that the battery package adopted have increased its resistant insulating nature, corrosion resistance and anti salt fog ability, guaranteed that the whole protection level that possesses IP67 of battery package structure for whole battery package does not fear moist operational environment. The battery pack structure is internally provided with a fire-fighting facility, a signal is sent to an execution element of the electric valve after the fire detection module detects abnormal fire, the execution element controls the valve and opens the valve when receiving the abnormal fire, meanwhile, the electric valve is started to release fire-extinguishing materials and send the fire-extinguishing materials to the fire-extinguishing device, and the fire-extinguishing device carries out fire treatment on the inside of the whole battery pack through a fire-extinguishing incoming material outlet of the annular pipeline; when the fire detection module detects that the fire is normal, the actuating element of the electric valve is signaled, the actuating element controls the valve and closes the valve when receiving the normal fire, and meanwhile, the electric valve stops releasing the fire extinguishing material.
In the description of the present invention, it is to be understood that the terms "intermediate", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the first feature may be "on" the second feature in direct contact with the second feature, or the first and second features may be in indirect contact via an intermediate. "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the battery pack for a ship and the electric ship provided by the embodiment of the present invention are described in detail above, and a specific example is used herein to explain the principle and the embodiment of the present invention, and the description of the above embodiment is only used to help understanding the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (10)

1. The marine battery pack is characterized by comprising a box cover (1), a box body (3), a battery module (2), a sealing ring (8), a fire-fighting facility and a battery management system (4), wherein the box cover (1) is connected with the box body (3) through a mechanical buckle structure, the mechanical buckle structure comprises a reverse mechanical lock catch structure (13) arranged at the lower end of the box cover (1) and a flanging structure (33) arranged at the upper end of the box body (3), the sealing ring (8) is arranged between the reverse mechanical lock catch structure (13) and the flanging structure (33), and the reverse mechanical lock catch structure (13) compresses the sealing ring (8) to rebound and lock the flanging structure (33);
the battery module (2) is arranged in the box body (3), and one side of the battery module (2) is connected with the battery management system (4); the fire-fighting equipment is arranged in a cavity formed by connecting the box cover (1) and the box body (3).
2. The marine battery pack according to claim 1, wherein the reverse mechanical locking structure (13) is a semi-enclosed structure consisting of a horizontal section (131), a vertical end (132) and an inclined section (133) connected together; the flanging structure (33) is designed to be of an inverted U shape, and the inclined section (133) of the reverse mechanical lock catch structure (13) is connected with the short edge (331) at the U-shaped opening of the flanging structure (33) to form a mechanical buckle.
3. The marine battery pack according to claim 1, wherein the fire fighting equipment comprises a fire detection module (5), an electric valve (6) and a fire extinguishing device (7), wherein an actuating element of the electric valve (6) is connected to the fire detection module (5) for providing a fire, and wherein a valve of the electric valve (6) is connected to the fire extinguishing device (7) for performing fire extinguishing, and wherein the actuating element controls the valve to be opened and closed.
4. The marine battery pack according to claim 3, wherein the fire extinguishing device (7) comprises an annular pipe (71) and an elbow pipe (72), the annular pipe (71) is connected with one end of the elbow pipe (72), the middle part of the elbow pipe (72) is connected with the valve of the electric valve (6), the other end of the elbow pipe (72) is connected with a fire extinguishing starting switch (721), and the fire extinguishing starting switch (721) is installed on a mounting hole (12) arranged on the side surface of the box cover (1).
5. Marine battery pack according to claim 4, characterised in that the side of the ring-shaped duct (71) facing the middle of the battery module (2) is provided with evenly distributed fire extinguishing material outlets (711).
6. Marine battery pack according to claim 1, characterised in that a waterproof strip (31) is arranged at the flanging structure (33).
7. The marine battery pack according to claim 1, wherein a charging interface (35) and a communication interface (36) are arranged on the left side of the box body (3), the charging interface (35) is electrically connected with the battery module (2), and the communication interface (36) is in communication connection with the battery management system (4).
8. The marine battery pack according to claim 1, characterized in that the battery pack is of a drawer-type installation design, and fixing blind holes (34) are arranged on both sides of the box body (3) of the battery pack.
9. The marine battery pack according to claim 1, wherein the marine battery pack is made of HC340LA, and the surface of the marine battery pack is subjected to electrophoretic baking finish treatment.
10. An electric boat comprising the marine battery pack according to any one of claims 1 to 9.
CN202120480867.7U 2021-03-05 2021-03-05 Battery pack for ship and electric ship Active CN214753963U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120480867.7U CN214753963U (en) 2021-03-05 2021-03-05 Battery pack for ship and electric ship

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120480867.7U CN214753963U (en) 2021-03-05 2021-03-05 Battery pack for ship and electric ship

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CN214753963U true CN214753963U (en) 2021-11-16

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CN202120480867.7U Active CN214753963U (en) 2021-03-05 2021-03-05 Battery pack for ship and electric ship

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112886113A (en) * 2021-03-05 2021-06-01 湖北亿纬动力有限公司 Battery pack for ship and electric ship

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112886113A (en) * 2021-03-05 2021-06-01 湖北亿纬动力有限公司 Battery pack for ship and electric ship

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