CN222422151U - Impact-resistant lithium ion battery - Google Patents

Impact-resistant lithium ion battery Download PDF

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Publication number
CN222422151U
CN222422151U CN202420563784.8U CN202420563784U CN222422151U CN 222422151 U CN222422151 U CN 222422151U CN 202420563784 U CN202420563784 U CN 202420563784U CN 222422151 U CN222422151 U CN 222422151U
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lithium
impact
circuit board
resistant
ion battery
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CN202420563784.8U
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Chinese (zh)
Inventor
钱广宏
李国荣
李磊
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Anhui Saier New Energy Technology Co ltd
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Anhui Saier New Energy Technology Co ltd
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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 utility model relates to the technical field of lithium ion batteries, in particular to an impact-resistant lithium ion battery, which comprises a lithium battery and a circuit board, wherein a plurality of lithium batteries are mutually parallel and are arranged in a row, the positive electrode and the negative electrode of the plurality of lithium batteries are sequentially connected through wires, the wires are connected in series to form a lithium battery pack through the wires, the circuit board is fixedly arranged on one side of the lithium battery pack formed by the plurality of lithium batteries, the circuit board is electrically connected with the lithium battery pack formed by the plurality of lithium batteries through the lithium battery pack formed by the plurality of lithium batteries, and an impact-resistant shell is fixedly arranged on the outer sides of the lithium battery and the circuit board.

Description

Impact-resistant lithium ion battery
Technical Field
The utility model relates to the technical field of lithium ion batteries, in particular to an impact-resistant lithium ion battery.
Background
The lithium ion battery is a storage battery, and chemical reaction inside the battery can move lithium ions between positive and negative electrodes to store and release energy in a charging and discharging process, and the lithium ion battery has the advantages of high energy density, long cycle life, light weight, quick charge and the like, and is widely applied to various electronic equipment or power storage equipment, such as mobile phones, notebook computers, charger, cameras, unmanned aerial vehicles and the like.
The lithium ion battery comprises a lithium ion battery charger, the lithium ion battery charger is used as a mobile power supply, the lithium ion battery charger needs to be taken and carried frequently, when a user stands at a high place in the carrying or using process, the lithium ion battery charger can fall from the high place carelessly, if the user touches a sharp object or collides with the corner of the charger in the falling process, the lithium ion battery charger is extremely easy to explode or naturally, and the user or the pedestrian is easy to be injured, so that the lithium ion battery charger has certain potential safety hazard.
Therefore, it is necessary to invent an impact-resistant lithium ion battery.
Disclosure of utility model
Therefore, the utility model provides the anti-impact lithium ion battery, the strength of the shell is enhanced while the portability of the shell is ensured through the carbon fiber coating arranged in the anti-impact shell, and the buffer solution bags which are arranged at the two sides of the lithium battery pack and are provided with the buffer solution are arranged in the anti-impact shell, so that the weight of the two sides of the lithium ion battery charger always impacts the ground at the two sides with larger contact area, the impact collision corner is avoided, the impact force caused by the falling is better buffered, and the problems that the lithium ion battery charger easily touches a sharp object or collides with the corner of the charger when falling from a high place, the explosion or nature of the lithium ion battery charger is easily caused, the user or the pedestrian is possibly injured and a certain potential safety hazard is solved.
In order to achieve the purpose, the anti-impact lithium ion battery comprises a lithium battery and a circuit board, wherein a plurality of lithium batteries are mutually parallel and are arranged in a row, the positive poles and the negative poles of the adjacent lithium batteries face opposite directions, the positive poles and the negative poles of the plurality of lithium batteries are sequentially connected through wires, the wires are connected in series to form a lithium battery pack through the wires, the circuit board is fixedly arranged on one side of the lithium battery pack formed by the plurality of lithium batteries, the circuit board is electrically connected with the lithium battery pack formed by the plurality of lithium batteries, the anti-impact shell is fixedly arranged on the outer sides of the lithium batteries and the circuit board, and the anti-impact shell can buffer impact forces born by the batteries and the circuit board.
Preferably, the shock-resistant shell comprises buffer liquid bags, the buffer liquid bags are fixedly adhered to the upper side and the lower side of a lithium battery pack formed by a plurality of lithium batteries, the buffer liquid bags are of hollow structures, and buffer liquid is injected into the buffer liquid bags.
Preferably, one side of the buffer solution bag, which is close to the lithium batteries, is attached to the surfaces of the lithium batteries and gaps between the lithium batteries, and one side of the buffer solution bag, which is far away from the lithium batteries, is arranged as a wide plane.
Preferably, the anti-impact shell comprises a sleeve, the sleeve is of a sleeve structure, the sleeve is sleeved and mounted on the outer side of the lithium battery, the circuit board and the buffer liquid bag, and a side plate II is fixedly mounted on one end, far away from the circuit board, of the inner wall of the sleeve.
Preferably, the anti-impact shell comprises a first side plate, the first side plate is fixedly arranged at one end, far away from the second side plate, of the inner wall of the shell, and one side, close to the second side plate, of the first side plate is fixedly connected with one side, far away from the lithium battery, of the circuit board.
Preferably, the impact-resistant shell comprises a carbon fiber coating, the carbon fiber coating is made of carbon fibers by interweaving, the carbon fiber coating is fixedly adhered to the inner wall of the shell, and one side, far away from the inner wall of the shell, of the carbon fiber coating is tightly attached to the surface of the buffer bag.
Preferably, the anti-impact shell comprises a foam-rubber cushion, the foam-rubber cushion is arranged on the upper side and the lower side of the circuit board, one end of the foam-rubber cushion is in contact with the surface of the circuit board, and the other end of the foam-rubber cushion is fixedly adhered to one side, far away from the shell, of the carbon fiber coating.
Preferably, the first and second interfaces are fixedly arranged on one side of the circuit board far away from the circuit board, and are electrically connected with the circuit board, and the first and second interfaces penetrate through one side of the side plate close to the circuit board and extend to the outer wall of the circuit board.
The utility model has the beneficial effects that the shell strength is enhanced while the portability of the shell is ensured through the carbon fiber coating arranged in the impact-resistant shell, and the buffer solution bags filled with buffer solution and arranged at the two sides of the lithium battery pack in the impact-resistant shell weigh the two sides of the lithium ion battery charger so as to ensure that the lithium ion battery charger always contacts the ground at the two sides with larger contact area, avoid collision with corners, better buffer the impact force caused by falling, prevent the explosion or nature of the battery charger and improve the safety effect.
Drawings
Fig. 1 is a front view of an impact-resistant lithium ion battery provided by the utility model;
Fig. 2 is a cross-sectional view of a casing of an impact-resistant lithium ion battery provided by the utility model;
fig. 3 is a schematic diagram of an internal structure of an impact-resistant lithium ion battery according to the present utility model;
fig. 4 is a cross-sectional view of a buffer solution pouch of an impact-resistant lithium ion battery provided by the utility model;
fig. 5 is an exploded view of the internal structure of an impact-resistant lithium ion battery according to the present utility model.
In the figure, a shell 11, a side plate I12, a side plate II 13, a carbon fiber coating 14, a buffer solution bag 15, a foam cushion 16, a buffer solution 17, a lithium battery 21, a wire 22, a circuit board 23, a connector I24 and a connector II 25 are shown.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Example 1
As shown in fig. 1, fig. 3 and fig. 5, an anti-impact lithium ion battery in the embodiment of the utility model includes a lithium battery 21 and a circuit board 23, the plurality of lithium batteries 21 are parallel to each other and arranged in a row, the positive and negative poles of adjacent lithium batteries 21 face opposite directions, the positive and negative poles of the plurality of lithium batteries 21 are sequentially connected through a wire 22, the wire 22 connects the wire 22 in series to form a lithium battery pack, one side of the lithium battery pack formed by the plurality of lithium batteries 21 is fixedly provided with the circuit board 23, the circuit board 23 is electrically connected with the lithium battery pack formed by the plurality of lithium batteries 21 through the lithium battery pack formed by the plurality of lithium batteries 21, and an anti-impact shell is fixedly arranged outside the lithium batteries 21 and the circuit board 23 and can buffer impact forces received by the battery 21 and the circuit board 23.
In the above embodiment, it should be noted that, the carbon fiber coating layer disposed in the impact-resistant housing enhances the strength of the housing while ensuring the portability of the housing, and the buffer solution bags with buffer solution disposed on both sides of the lithium battery pack formed by the dry lithium batteries 21 are disposed in the impact-resistant housing, so as to weigh both sides of the lithium battery charger, so as to make the two sides of the larger contact area contact the ground all the time during the falling, avoid the collision of the corner, better buffer the impact force caused by the falling, prevent the explosion or nature of the lithium batteries 21, and improve the safety.
Example 2
As shown in fig. 3-5, an anti-impact lithium ion battery comprises the whole content of embodiment 1, in addition, the anti-impact casing comprises a buffer solution bag 15, the buffer solution bag 15 is fixedly adhered to the upper side and the lower side of a lithium battery pack formed by a plurality of lithium batteries 21, the buffer solution bag 15 is of a hollow structure, a buffer solution 17 is injected into the buffer solution bag 15, one side of the buffer solution bag 15 close to the lithium batteries 21 is adhered to the surface of each lithium battery 21 and gaps among each lithium battery 21, and one side of the buffer solution bag 15 far away from the lithium batteries 21 is set to be a wide plane.
In the above embodiment, the buffer bag 15 is a hollow bag made of polyethylene, the buffer solution 17 is a non-newton fluid, the weight of the upper and lower sides of the lithium battery 21 is increased by the buffer bag 15 filled with the buffer solution 17, so that the outer wall plane with wide upper and lower sides of the impact-resistant lithium ion battery is always contacted with the bottom surface when the impact-resistant lithium ion battery falls, the stress area is enlarged, and meanwhile, the buffer solution 17 is stressed and hardened and absorbs the impact force received, so as to achieve the effect of buffering the impact force of the lithium battery 21.
Example 3
As shown in fig. 1-5, an anti-impact lithium ion battery comprises the whole content of embodiment 2, in addition, the anti-impact casing comprises a casing 11, the casing 11 is of a sleeve structure, the casing 11 is sleeved and installed on the outer side of a lithium battery 21, a circuit board 23 and a buffer solution bag 15, a side plate two 13 is fixedly installed on one end, far away from the circuit board 23, of the inner wall of the casing 11, the anti-impact casing comprises a side plate one 12, the side plate one 12 is fixedly installed on one end, far away from the side plate two 13, of the inner wall of the casing 11, one side, close to the side plate two 13, of the side plate one 12 is fixedly connected with one side, far away from the lithium battery 21, of the circuit board 23, of the casing 11, the anti-impact casing comprises a carbon fiber coating 14, the carbon fiber coating 14 is fixedly adhered to the inner wall of the casing 11, one side, far away from the inner wall of the carbon fiber coating 14 is tightly attached to the surface of the buffer solution bag 15, the anti-impact casing comprises a sponge pad 16, the sponge pad 16 is arranged on the upper side and lower sides of the circuit board 23, one end of the sponge pad 16 is contacted with the surface of the circuit board 23, and the other end of the sponge pad 16 is fixedly adhered to one side, far away from the carbon fiber coating 14, far from the carbon fiber coating 11.
In the above embodiment, it should be noted that the casing 11 is a metal casing, the first side plate 12 and the second side plate 13 are both metal side plates, the carbon fiber coating 14 is made of carbon fiber material, and the foam cushion 16 has the effect of protecting the circuit board 23 from impact of the circuit board 23 while ensuring portability by the carbon fiber coating 14 and strengthening the strength of the casing 11.
Example 4
As shown in fig. 1, 3 and 5, an impact-resistant lithium ion battery includes the whole content of embodiment 3, in addition, a first interface 24 and a second interface 25 are fixedly installed on a side, far away from the circuit board 23, of the circuit board 23, the first interface 24 and the second interface 25 are electrically connected with the circuit board 23, and the first interface 24 and the second interface 25 penetrate through a side plate 12 near to the circuit board 23 and extend to the outer wall of the circuit board 23.
In the above embodiment, it should be noted that the interface one 24 is a Type-C interface, and the interface two 25 is a USB interface.
The lithium ion battery is thrown down from high altitude by a person skilled in the art, the weight of the upper side and the lower side of the lithium ion battery 21 is increased through the buffer solution bags 15 filled with the buffer solution 17, so that the large outer wall planes on the upper side and the lower side of the impact-resistant lithium ion battery are always contacted with the bottom surface when the impact-resistant lithium ion battery falls down, the stress area is enlarged, the buffer solution 17 is stressed and hardened, the impact force is absorbed, the carbon fiber coating 14 strengthens the strength of the shell 11 while ensuring the portability, the shell 11 is more impact-resistant, and the lithium battery 21 and the circuit board 23 inside the shell are protected.
The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims (8)

1.一种抗冲击锂离子电池，包括锂电池(21)和电路板(23)，所述若干锂电池(21)相互平行并设置排列呈一排，相邻的所述锂电池(21)的正负极朝向相反，所述若干锂电池(21)的正负极通过导线(22)依次连接，所述导线(22)将导线(22)串联呈锂电池组，所述若干锂电池(21)组成的锂电池组的一侧固定安装有电路板(23)，所述电路板(23)与若干锂电池(21)组成的锂电池组之间通过若干锂电池(21)组成的锂电池组电性连接，其特征在于：所述锂电池(21)和电路板(23)外侧固定安装有抗冲击外壳，所述抗冲击外壳能够缓冲电池(21)和电路板(23)受到的冲击力。1. An impact-resistant lithium-ion battery, comprising a lithium battery (21) and a circuit board (23), wherein the plurality of lithium batteries (21) are parallel to each other and arranged in a row, the positive and negative electrodes of the adjacent lithium batteries (21) face opposite directions, the positive and negative electrodes of the plurality of lithium batteries (21) are sequentially connected by a wire (22), the wire (22) connects the wires (22) in series to form a lithium battery group, a circuit board (23) is fixedly mounted on one side of the lithium battery group composed of the plurality of lithium batteries (21), the circuit board (23) and the lithium battery group composed of the plurality of lithium batteries (21) are electrically connected through the lithium battery group composed of the plurality of lithium batteries (21), and the characteristic is that an impact-resistant shell is fixedly mounted on the outer side of the lithium battery (21) and the circuit board (23), and the impact-resistant shell can buffer the impact force exerted on the battery (21) and the circuit board (23). 2.根据权利要求1所述的一种抗冲击锂离子电池，其特征在于：所述抗冲击外壳包括缓冲液囊(15)，所述缓冲液囊(15)固定粘接在若干锂电池(21)组成的锂电池组上下两侧，所述缓冲液囊(15)为中空结构，所述缓冲液囊(15)内注入有缓冲液(17)。2. An impact-resistant lithium-ion battery according to claim 1, characterized in that: the impact-resistant shell includes a buffer capsule (15), the buffer capsule (15) is fixedly bonded to the upper and lower sides of a lithium battery pack composed of a plurality of lithium batteries (21), the buffer capsule (15) is a hollow structure, and a buffer (17) is injected into the buffer capsule (15). 3.根据权利要求2所述的一种抗冲击锂离子电池，其特征在于：所述缓冲液囊(15)靠近锂电池(21)的一侧贴合各个锂电池(21)表面及各个锂电池(21)之间的缝隙，所述缓冲液囊(15)远离锂电池(21)的一侧设置为宽大的平面。3. An impact-resistant lithium-ion battery according to claim 2, characterized in that: the side of the buffer capsule (15) close to the lithium battery (21) fits the surface of each lithium battery (21) and the gap between each lithium battery (21), and the side of the buffer capsule (15) away from the lithium battery (21) is set as a wide plane. 4.根据权利要求3所述的一种抗冲击锂离子电池，其特征在于：所述抗冲击外壳包括套壳(11)，所述套壳(11)为套筒结构，所述套壳(11)套接安装在锂电池(21)、电路板(23)及缓冲液囊(15)外侧，所述套壳(11)内壁远离电路板(23)一端固定安装有侧板二(13)。4. An impact-resistant lithium-ion battery according to claim 3, characterized in that: the impact-resistant shell includes a casing (11), the casing (11) is a sleeve structure, the casing (11) is sleeved and installed on the outside of the lithium battery (21), the circuit board (23) and the buffer capsule (15), and a side plate 2 (13) is fixedly installed on the inner wall of the casing (11) away from the circuit board (23) at one end. 5.根据权利要求4所述的一种抗冲击锂离子电池，其特征在于：所述抗冲击外壳包括侧板一(12)，所述侧板一(12)固定安装在套壳(11)内壁远离侧板二(13)的一端，所述侧板一(12)靠近侧板二(13)的一侧与电路板(23)远离锂电池(21)的一侧固定连接。5. An impact-resistant lithium-ion battery according to claim 4, characterized in that: the impact-resistant shell includes a side plate 1 (12), the side plate 1 (12) is fixedly mounted on an end of the inner wall of the casing (11) away from the side plate 2 (13), and the side of the side plate 1 (12) close to the side plate 2 (13) is fixedly connected to a side of the circuit board (23) away from the lithium battery (21). 6.根据权利要求5所述的一种抗冲击锂离子电池，其特征在于：所述抗冲击外壳包括碳纤维覆层(14)，所述碳纤维覆层(14)由碳纤维交错编织制成，所述碳纤维覆层(14)固定粘接在套壳(11)内壁，所述碳纤维覆层(14)远离套壳(11)内壁的一侧紧贴缓冲液囊(15)表面。6. An impact-resistant lithium-ion battery according to claim 5, characterized in that: the impact-resistant shell includes a carbon fiber coating (14), the carbon fiber coating (14) is made of carbon fiber interlaced weaving, the carbon fiber coating (14) is fixedly bonded to the inner wall of the casing (11), and the side of the carbon fiber coating (14) away from the inner wall of the casing (11) is in close contact with the surface of the buffer capsule (15). 7.根据权利要求6所述的一种抗冲击锂离子电池，其特征在于：所述抗冲击外壳包括海绵垫(16)，所述海绵垫(16)设置在电路板(23)上下两侧，所述海绵垫(16)一端与电路板(23)表面接触，所述海绵垫(16)另一端固定粘接在碳纤维覆层(14)远离套壳(11)的一侧。7. An impact-resistant lithium-ion battery according to claim 6, characterized in that: the impact-resistant shell includes a sponge pad (16), the sponge pad (16) is arranged on the upper and lower sides of the circuit board (23), one end of the sponge pad (16) is in contact with the surface of the circuit board (23), and the other end of the sponge pad (16) is fixedly bonded to the side of the carbon fiber coating (14) away from the casing (11). 8.根据权利要求5所述的一种抗冲击锂离子电池，其特征在于：所述电路板(23)远离电路板(23)的一侧固定安装有接口一(24)和接口二(25)，所述接口一(24)和接口二(25)与电路板(23)电性连接，所述接口一(24)和接口二(25)贯穿侧板一(12)靠近电路板(23)的一侧并延伸至电路板(23)外壁。8. An impact-resistant lithium-ion battery according to claim 5, characterized in that: an interface 1 (24) and an interface 2 (25) are fixedly installed on a side of the circuit board (23) away from the circuit board (23), the interface 1 (24) and the interface 2 (25) are electrically connected to the circuit board (23), and the interface 1 (24) and the interface 2 (25) penetrate a side of the side plate 1 (12) close to the circuit board (23) and extend to the outer wall of the circuit board (23).
CN202420563784.8U 2024-03-22 2024-03-22 Impact-resistant lithium ion battery Active CN222422151U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202420563784.8U CN222422151U (en) 2024-03-22 2024-03-22 Impact-resistant lithium ion battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202420563784.8U CN222422151U (en) 2024-03-22 2024-03-22 Impact-resistant lithium ion battery

Publications (1)

Publication Number Publication Date
CN222422151U true CN222422151U (en) 2025-01-28

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ID=94357077

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CN202420563784.8U Active CN222422151U (en) 2024-03-22 2024-03-22 Impact-resistant lithium ion battery

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