CN216418124U

CN216418124U - Lithium battery pack with automatic fire extinguishing function

Info

Publication number: CN216418124U
Application number: CN202122678125.8U
Authority: CN
Inventors: 廖志成
Original assignee: Shenzhen Dudu Iotian Technology Co ltd
Current assignee: Shenzhen Dudu Iotian Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-05-03
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a lithium battery pack with automatic fire extinguishing function, which belongs to the battery field, and comprises a middle frame, the lower end of the middle frame is fixedly connected with a base, the right end of the base is provided with a lock catch avoiding hole, the inner bottom end of the base is fixedly connected with an electric quantity input end, an electric core is arranged in the middle frame, the electric core is arranged at the upper end of the electric quantity input end, a plurality of flame-retardant shock-absorbing blocks which are evenly distributed are fixedly connected in the middle frame, the flame-retardant shock-absorbing blocks are arranged at the outer end of the electric core, the upper ends of the flame-retardant shock-absorbing blocks which are arranged at the right side are provided with slots, the automatic fire extinguisher is fixedly connected in the slots and is arranged at the outer end of the electric core, when the lithium battery pack is used, when the special condition or the influence of some external factors lead to it to take place to catch fire, the automatic fire extinguishing mechanism in accessible inside makes the intensity of a fire eliminate, and then makes the safety in utilization of lithium cell package improve.

Description

Lithium battery pack with automatic fire extinguishing function

Technical Field

The utility model relates to a battery field, more specifically say, relate to a lithium cell package with automatic fire extinguishing function.

Background

The battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses non-aqueous electrolyte solution, and because the chemical characteristics of the lithium metal are very active, the processing, storage and use of the lithium metal have very high requirements on the environment, and along with the development of scientific technology, the lithium battery has become the mainstream, and the lithium battery can be roughly divided into two types: the lithium ion battery does not contain metallic lithium, can be charged, and has better safety, specific capacity, self-discharge rate and cost performance than the lithium ion battery.

In the prior art, batteries have been widely used in various fields, and lithium batteries in the batteries are becoming mainstream along with the development of technology, but during the use process, the lithium batteries may be ignited due to some special reasons or external factors, so that the safety of the lithium batteries is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell package with automatic fire extinguishing function can realize when the lithium cell package leads to it to take place the time of getting on fire taking place special case or some external factors's influence, and the inside automatic fire extinguishing mechanism of accessible makes the intensity of a fire can eliminate, and then makes the safety in utilization of lithium cell package can improve.

In order to solve the above problem, the utility model adopts the following technical scheme: the utility model provides a lithium cell package with automatic fire extinguishing function, includes shell and electric core, its characterized in that: the shell includes the center, center lower extreme fixedly connected with base, bottom end fixedly connected with electric quantity input in the base, install electric core in the center, electric core is located electric quantity input end, a plurality of evenly distributed's of fixedly connected with fire-retardant snubber block in the center, fire-retardant snubber block sets up in the outer end of electric core, electric core outer end fixedly connected with automatic fire extinguisher, automatic fire extinguisher is located between electric core and the center, center upper end fixedly connected with upper cover, the upper cover is located the upper end of electric core, fixedly connected with electric quantity output in the upper cover, upper cover upper end fixedly connected with shelters from the lid, the photosensitive anti-tear-open switch of fixedly connected with between center and the upper cover.

Furthermore, the end of the flame-retardant shock absorption block is provided with a slot, and the automatic fire extinguisher is arranged in the slot.

Further, the base lower extreme is dug there are a plurality of evenly distributed's fixed slot, fixedly connected with rubber foot pad in the fixed slot.

Furthermore, the side wall of the base is provided with a lock hole.

Furthermore, the surface of the flame-retardant damping block is coated with a fireproof coating, and a heat-absorbing material is filled in the flame-retardant damping block.

Further, the upper end of the shielding cover is fixedly connected with a handle, and anti-skidding grains are arranged on the surface of the handle.

Furthermore, the middle frame is made of aluminum alloy.

Compared with the prior art, the utility model has the advantages of: the utility model discloses can realize when the lithium cell package uses, when the influence that takes place special case or some external factors leads to it to take place to catch fire, the inside automatic fire extinguishing mechanism of accessible makes the intensity of a fire eliminate, and then makes the safety in utilization of lithium cell package can improve. Simultaneously through the fixed slot that has a plurality of evenly distributed of digging at the base lower extreme, fixedly connected with rubber foot pad in the fixed slot, with a plurality of unit mount back in the center, can put into the center and use in the equipment of needs, and the center when putting into equipment, in order to make the base difficult because of colliding with lead to the base to take place to damage behind the contact equipment bottom, accessible rubber foot pad protects it to this can effectually protect when making the base collide with. Fire-retardant snubber block surface coating is equipped with fire protection coating, and fire-retardant snubber block intussuseption is filled with heat absorbing material, put back outside electric core when fire-retardant snubber block, can play a fire-retardant effect to it when electric core is on fire, can reach the shock attenuation effect to a certain extent simultaneously under normal conditions, and fire protection coating on fire-retardant snubber block surface can be when electric core is on fire that fire-retardant effect is better, and accessible heat absorbing material absorbs the heat that electric core produced under normal conditions. Shelter from lid upper end fixedly connected with handle, the handle surface is equipped with anti-skidding line, so the subassembly put into the center after, can will shelter from the lid and cover on the center and seal the closure to the center, and when the center need put into equipment, in order to make the center more convenient when moving, the accessible handle removes the center, and then makes the more high-efficient convenient of center when removing.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a middle frame of the present invention;

FIG. 2 is a schematic view of the disassembled structure of the middle frame of the present invention;

fig. 3 is a schematic view of the structure of the flame retardant shock-absorbing block of the present invention.

The reference numbers in the figures illustrate:

1 center, 2 bases, 201 rubber foot pad, 3 lockholes, 4 electric quantity input ends, 5 electric cores, 6 fire-retardant snubber blocks, 7 slots, 8 automatic fire extinguishers, 9 upper covers, 10 electric quantity output ends, 11 shielding covers, 1101 handles, 12 photosensitive anti-dismantling switches.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a lithium battery pack with an automatic fire extinguishing function comprises a middle frame 1, a base 2 is fixedly connected to the lower end of the middle frame 1, a lock catch avoiding hole 3 is drilled at the right end of the base 2, an electric quantity input end 4 is fixedly connected to the inner bottom end of the base 2, an electric core 5 is installed in the middle frame 1, the electric core 5 is located at the upper end of the electric quantity input end 4, a plurality of flame-retardant damping blocks 6 which are uniformly distributed are fixedly connected in the middle frame 1, the flame-retardant damping blocks 6 are located at the outer end of the electric core 5, a slot 7 is formed at the upper end of the flame-retardant damping block 6 located on the right side, an automatic fire extinguisher 8 is fixedly connected in the slot 7, the automatic fire extinguisher 8 is located at the outer end of the electric core 5, an upper cover 9 is fixedly connected to the upper end of the middle frame 1, an electric quantity output end 10 is fixedly connected in the upper cover 9, a shielding cover 11 is fixedly connected to the upper end of the upper cover 9, a photosensitive anti-dismantling switch 12 is fixedly connected between the middle frame 1 and the upper cover 9, can realize when the lithium cell package uses, when the influence that takes place special case or some external factors leads to it to take place to catch fire, the inside automatic fire extinguishing mechanism of accessible makes the intensity of a fire eliminate, and then makes the safety in utilization of lithium cell package improve.

Preferably, a photosensitive tamper switch 12 may be disposed between the middle frame 1 and the base 2. Automatic fire extinguisher 8 is sticky to be set up on electric core 5, makes automatic fire extinguisher 8 be located between electric core 5 and center 1, and the installation is simple, safe and reliable.

Referring to fig. 1-2, a plurality of fixing grooves are uniformly distributed at the lower end of a base 2, a rubber foot pad 201 is fixedly connected in each fixing groove, after a plurality of components are installed in a middle frame 1, the middle frame 1 can be placed into a required device for use, when the middle frame 1 is placed into the device, in order to prevent the base 2 from being damaged due to collision after the base 2 contacts the bottom of the device, the rubber foot pad 201 can protect the base 2, so that the base 2 can be effectively protected when colliding, a handle 1101 is fixedly connected at the upper end of a shielding cover 11, the surface of the handle 1101 is provided with anti-skid grains, after the components are placed in the middle frame 1, the shielding cover 11 can be covered on the middle frame 1 to seal and close the middle frame 1, and when the middle frame 1 needs to be placed into the device, in order to make the middle frame 1 more convenient to move, the middle frame 1 can be moved by the handle 1101, and further, the middle frame 1 is more efficient and convenient to move.

Referring to fig. 3, the surface of the flame-retardant damping block 6 is coated with a fire-retardant coating, and the flame-retardant damping block 6 is filled with a heat-absorbing material, after the flame-retardant damping block 6 is placed outside the electric core 5, a flame-retardant effect is achieved on the electric core 5 when the electric core is on fire, and meanwhile, the damping effect can be achieved to a certain extent under normal conditions, the fire-retardant coating on the surface of the flame-retardant damping block 6 can achieve a better flame-retardant effect when the electric core 5 is on fire, and heat generated by the electric core 5 under normal conditions can be absorbed by the heat-absorbing material.

When an operator uses the utility model, after the middle frame 1 is put into the cabinet, the cabinet locks the lock catch avoiding hole 3, so that the whole is fixed and then the battery cell 5 runs and then is output through the electric quantity output end 10, but in case of accident, the abnormal condition of the electric core 5 may cause the fire to be started, and the automatic fire extinguisher 8 senses the fire source and then automatically sprays out to extinguish the fire source, thereby eliminating the condition that the electric core 5 is enlarged after ignition, and the program is self-destroyed only by disassembling the photosensitive anti-disassembly switch 12 and exposing light, the electric quantity output end 10 is permanently locked, compared with the prior art, the utility model can realize that when the lithium battery pack is used, when the special condition or the influence of some external factors lead to it to take place to catch fire, the automatic fire extinguishing mechanism in accessible inside makes the intensity of a fire eliminate, and then makes the safety in utilization of lithium cell package improve.

In the above embodiment, the material of the middle frame 1 is preferably an aluminum alloy material, and the side wall of the base 2 is provided with the lock hole 3

The unlocking and locking operation can be realized in the battery changing cabinet, the anti-theft property is realized, and the property safety of a lithium battery pack operator is obviously guaranteed.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a lithium cell package with automatic fire extinguishing function, includes shell and electric core, its characterized in that: the shell comprises a middle frame, the lower end of the middle frame (1) is fixedly connected with a base (2), the inner bottom end of the base (2) is fixedly connected with an electric quantity input end (4), an electric core (5) is installed in the middle frame (1), the electric core (5) is positioned at the upper end of the electric quantity input end (4), the middle frame (1) is fixedly connected with a plurality of flame-retardant damping blocks (6) which are uniformly distributed, the flame-retardant damping blocks (6) are arranged at the outer end of the electric core (5), the outer end of the electric core (5) is fixedly connected with an automatic fire extinguisher (8), the automatic fire extinguisher (8) is positioned between the electric core (5) and the middle frame (1), the upper end of the middle frame (1) is fixedly connected with an upper cover (9), the upper cover (9) is positioned at the upper end of the electric core (5), the inner side of the upper cover (9) is fixedly connected with an electric quantity output end (10), the upper end of the upper cover (9) is fixedly connected with a shielding cover (11), a photosensitive anti-dismantling switch (12) is fixedly connected between the middle frame (1) and the upper cover (9).

2. The lithium battery pack with the automatic fire extinguishing function according to claim 1, wherein the end of the fire-retardant shock-absorbing block (6) is provided with a slot (7) in a chiseled manner, and the automatic fire extinguisher (8) is arranged in the slot (7).

3. The lithium battery pack with the automatic fire extinguishing function according to claim 2, characterized in that: the lower extreme of base (2) is dug there are a plurality of evenly distributed's fixed slot, fixedly connected with rubber foot pad (201) in the fixed slot.

4. The lithium battery pack with the automatic fire extinguishing function according to claim 3, characterized in that: the side wall of the base (2) is provided with a lock hole (3).

5. The lithium battery pack with the automatic fire extinguishing function according to claim 4, characterized in that: the surface of the flame-retardant damping block (6) is coated with a fireproof coating, and the flame-retardant damping block (6) is filled with a heat-absorbing material.

6. The lithium battery pack with the automatic fire extinguishing function according to claim 5, characterized in that: the upper end of the shielding cover (11) is fixedly connected with a handle (1101), and anti-skidding grains are arranged on the surface of the handle (1101).

7. The lithium battery pack with the automatic fire extinguishing function according to claim 6, characterized in that: the middle frame (1) is made of aluminum alloy.