CN217387420U - Lithium battery pack suitable for underwater use - Google Patents

Lithium battery pack suitable for underwater use Download PDF

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Publication number
CN217387420U
CN217387420U CN202220171569.4U CN202220171569U CN217387420U CN 217387420 U CN217387420 U CN 217387420U CN 202220171569 U CN202220171569 U CN 202220171569U CN 217387420 U CN217387420 U CN 217387420U
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Prior art keywords
shell
battery pack
arc
lithium battery
cover
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CN202220171569.4U
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Inventor
黄建华
岳廷和
黄剑群
吴勇军
刘剑波
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Dongguan Yunfan Electronic Technology Co ltd
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Dongguan Yunfan Electronic Technology 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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Abstract

The utility model relates to a lithium battery pack technical field, in particular to a lithium battery pack suitable for underwater use, which comprises a shell and a battery pack packaged in the shell, wherein the shell comprises a shell body and a shell cover, the upper end of the shell body is provided with an opening in a through manner, and the shell cover is sealed and covered on the opening of the shell body; four first cambered surface structures which are centrosymmetric are arranged on the side portion of the shell, a smooth surface structure is respectively arranged between the two first cambered surface structures positioned on the front side of the shell and between the two first cambered surface structures positioned on the rear side of the shell, and an inward concave groove structure is respectively arranged between the two first cambered surface structures positioned on the left side of the shell and between the two first cambered surface structures positioned on the right side of the shell; a compact gap can be formed between the battery pack inside the casing and the casing, and the amount of filling glue can be reduced, so that the material cost is reduced.

Description

Lithium battery pack suitable for underwater use
Technical Field
The utility model belongs to the technical field of the lithium cell group technique and specifically relates to a lithium cell group that adaptation was used under water is related to.
Background
With the development of economy and technology, the nation has higher requirements on environmental protection. As a new clean energy source, the lithium battery has the advantages of stable discharge voltage, wide working temperature range, low self-discharge rate, long storage life, no memory effect, small volume, light weight, no public hazard and the like, and the lithium battery gradually replaces a lead-acid battery and a cadmium-nickel battery at present, becomes the mainstream of a power battery and is widely applied to various fields.
At present, in some underwater environments, a waterproof structure needs to be protected, but the currently adopted waterproof structure mostly adopts a glue pouring and packaging mode, and does not have higher strength in the design of an external structure, so that a lithium battery pack of the existing waterproof structure mostly stays in the waterproof structure and cannot resist the pressure under water, and the lithium battery pack cannot be used for a long time under water; in addition, the protective shell of the conventional lithium battery pack is not compact enough in structural design with the lithium battery pack, so that the glue filling amount is large, and the manufacturing cost is high; in contrast, there is a need to provide an improved solution to the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
A lithium battery pack suitable for underwater use comprises a shell and a battery pack packaged in the shell, wherein the shell comprises a shell body and a shell cover, an opening is arranged at the upper end of the shell body in a penetrating mode, and the shell cover is sealed and covered on the opening of the shell body; the side part of the shell is provided with four first cambered surface structures which are centrosymmetric, a smooth surface structure is respectively arranged between two first cambered surface structures positioned on the front side of the shell and between two first cambered surface structures positioned on the rear side of the shell, and an inward concave groove structure is respectively arranged between two first cambered surface structures positioned on the left side of the shell and between two first cambered surface structures positioned on the right side of the shell; the battery pack is arranged in the shell, the battery pack is provided with four electric core pieces, the four electric core pieces are respectively close to the four first cambered surface structures, gaps are formed between the four electric core pieces and the inner side of the shell, glue filling the gaps is irrigated in the shell, and the battery pack is arranged in the shell through the glue; the shell cover is provided with two electrode ports, and the anode and the cathode of the battery pack extend out of the shell through the two electrode ports.
Preferably, the two first arc-shaped structures positioned on the left side of the shell and the two first arc-shaped structures positioned on the right side of the shell extend towards the groove structure to form arc-shaped barrier strips, and the arc-shaped barrier strips are positioned on the lower portion of the shell; the lower extreme of casing still is provided with the circular shape and consolidates the lid, consolidates and covers the shaping and have the first insertion structure who inserts in the groove structure, inside first insertion structure inserted the groove structure to first insertion structure blocks the cooperation with the arc blend stop.
Preferably, the reinforcing cover is further formed with a second insertion structure respectively inserted into the front side and the rear side of the housing, and the outer side of the second insertion structure is an arc surface engaged with the arc barrier strip.
Preferably, the middle part position that is located the casing front side and the middle part position that is located the casing rear side shaping respectively have additional strengthening, additional strengthening includes second cambered surface structure and first supporting profile structure, second cambered surface structure links up the cooperation with the arc blend stop, and second cambered surface structure and second insertion structure phase-match butt joint, first supporting profile structure sets up between second cambered surface structure and casing, it has the cavity to make to prop up between second cambered surface structure and the casing, the last shaping of second insertion structure has the second supporting profile structure that inserts in the cavity.
Preferably, a reinforcing bar is formed within the groove structure, and a reinforcing seat is formed at a lower portion of the groove structure.
Preferably, the lower end of the housing cover is formed with a sealing edge matching the opening, and the housing cover is sealed and covered on the opening of the housing through the sealing edge.
Preferably, the inner side of the opening of the shell is provided with a first sealing slot matched with the sealing edge, the sealing edge is inserted into the first sealing slot, and the inner side of the sealing edge is provided with an inclined surface used for squeezing the glue inwards.
Preferably, a second sealing slot which is reversely buckled with the first sealing slot is formed on the inner side of the sealing edge, and a first filling ring for filling glue is formed between the first sealing slot and the second sealing slot.
Preferably, the shell cover is provided with a raised edge formed on the outer side of the sealing edge, and the shell cover forms a second filling ring between the edge of the opening of the shell and the edge of the shell cover through the raised edge.
Preferably, the electrode port is made of copper material.
Compared with the prior art, the beneficial effects of the utility model are that:
the lithium battery pack is mainly applied to packaging four-heel battery elements, a shell and the battery pack packaged in the shell are mainly adopted, and a gap between the shell and the battery pack is filled by glue, so that the battery pack is packaged in the shell to achieve a sealing effect; wherein, the shell adopts first cambered surface structural design in structural design, sets up the front side and the rear side of casing into the planishing face structure respectively, sets up the left side and the right side of casing into interior sunken groove structure respectively for the holistic intensity of casing can improve, and through this structure, can form a compact clearance between the group battery of messenger's shell inside and the shell, can reduce the quantity of filler, thereby reduce material cost.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a structural exploded view of the present invention;
fig. 3 is a schematic cross-sectional structure of the present invention;
fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.
The reference numerals and names in the figures are as follows:
the battery comprises a shell 10, a shell cover 20, a battery core piece 30, a reinforcing cover 40, an opening 11, a first arc-shaped structure 12, a flat surface structure 13, a groove structure 14, an arc-shaped barrier strip 15, a reinforcing structure 16, a first sealing slot 17, an electrode port 21, a sealing edge 22, an inclined surface 23, a second sealing slot 24, a first filling ring 25, a raised edge 26, a second filling ring 27, a first insertion structure 41, a second insertion structure 42, a second supporting profile structure 43, a reinforcing strip 141, a reinforcing seat 142, a second arc-shaped structure 161 and a first supporting profile structure 162.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-4, in an embodiment of the present invention, a lithium battery pack suitable for underwater use includes a housing and a battery pack enclosed in the housing, the housing includes a casing 10 and a case cover 20, an opening 11 is formed at an upper end of the casing 10, and the case cover 20 is sealed and covered on the opening 11 of the casing 10; four first arc-shaped structures 12 which are centrosymmetric are arranged on the side portion of the shell 10, flat surface structures 13 are respectively arranged between two first arc-shaped structures 12 positioned on the front side of the shell 10 and between two first arc-shaped structures 12 positioned on the rear side of the shell 10, and inwards-concave groove structures 14 are respectively arranged between two first arc-shaped structures 12 positioned on the left side of the shell 10 and between two first arc-shaped structures 12 positioned on the right side of the shell 10; the battery pack is arranged in the shell 10, the battery pack is provided with four battery cell parts 30, the four battery cell parts 30 are respectively close to the four first cambered surface structures 12, gaps are formed between the four battery cell parts 30 and the inner side of the shell 10, glue filling the gaps is irrigated in the shell 10, and the battery pack is sealed in the shell 10 through the glue; two electrode ports 21 are provided on the case cover 20, and the positive electrode and the negative electrode of the battery pack extend out of the case 10 through the two electrode ports 21.
In the technical scheme, the lithium battery pack is mainly applied to packaging of the four-cell battery element 30, a shell and the battery pack packaged in the shell are mainly adopted, and a gap between the shell and the battery pack is filled by glue, so that the battery pack is packaged in the shell to achieve a sealing effect; wherein, the shell adopts first cambered surface structure 12 design on structural design, sets up the front side and the rear side of casing 10 into smooth surface structure 13 respectively, sets up the left side and the right side of casing 10 into recessed groove structure 14 respectively for the holistic intensity of casing 10 can improve, and through this structure, can form a compact clearance between the group battery of messenger's shell inside and the shell, can reduce the quantity of filler, thereby reduce material cost.
As further shown in fig. 1-2, for the strength of the housing 10 itself, according to the technical means of adopting the four first arc-shaped structures 12, on this basis, in order to further improve the overall strength and ensure the overall integrity and beauty, the following technical means will be further described;
the two first arc-shaped structures 12 positioned on the left side of the shell 10 and the two first arc-shaped structures 12 positioned on the right side of the shell 10 extend towards the groove structure 14 to form arc-shaped barrier strips 15, and the arc-shaped barrier strips 15 are positioned on the lower portion of the shell 10; the lower end of the shell 10 is further provided with a circular reinforcing cover 40, a first inserting structure 41 inserted into the groove structure 14 is formed on the reinforcing cover 40, the first inserting structure 41 is inserted into the groove structure 14, and the first inserting structure 41 is in blocking fit with the arc-shaped barrier strip 15; through the structural design, the lower part of the shell 10 can be reinforced, and the integral pressure resistance is improved; a second inserting structure 42 respectively inserted into the front side of the shell 10 and the rear side of the shell 10 is further formed on the reinforcing cover 40, the outer side of the second inserting structure 42 is an arc surface connected with the arc barrier strip 15, then a reinforcing structure 16 is further formed in the middle position of the front side of the shell 10 and the middle position of the rear side of the shell 10 respectively, the reinforcing structure 16 comprises a second arc surface structure 161 and a first supporting profile structure 162, the second arc surface structure 161 is connected and matched with the arc barrier strip 15, the second arc surface structure 161 is matched and connected with the second inserting structure 42 in a matching way, the first supporting profile structure 162 is arranged between the second arc surface structure 161 and the shell 10, a cavity is supported between the second arc surface structure 161 and the shell 10, and a second supporting profile structure 43 inserted into the cavity is formed on the second inserting structure 42; through the structure, the lower part of the shell 10 can be provided with the reinforcing structure 16 with the arc surface, so that the compressive strength of the shell 10 is improved, and the four first arc surface structures 12 can be reasonably connected, so that the whole shell is more complete and beautiful in view of the whole; in addition, a reinforcing strip 141 is formed in the groove structure 14, and a reinforcing seat 142 is formed at the lower part of the groove structure 14; the overall compressive strength of the shell can be further improved, and the lithium battery pack can ensure that the lithium battery pack can not be damaged by 30 meters underwater.
As further shown in fig. 3-4, the cap 20 and the housing 10 are sealed and covered mainly by forming a sealing edge 22 at the lower end of the cap 20 downward to match the opening 11, and the cap 20 is sealed and covered on the opening 11 of the housing 10 by the sealing edge 22; in order to achieve better sealing effect after the housing 10 and the housing cover 20 are closed, the housing 10 is provided with a first sealing slot 17 matching with the sealing edge 22 on the inner side of the opening 11, the sealing edge 22 is inserted into the first sealing slot 17, and the inner side of the sealing edge 22 is provided with an inclined surface 23 for pushing the glue inwards, in this way, the case cover 20 can extrude the glue inwards through the inclined surface 23 during the covering process, so that the glue inside the case can reach a completely saturated state, the sealing performance after glue filling is ensured, and in addition, aiming at the covering tightness between the case cover and the inside of the case body 10, in terms of structural design, the sealing edge 22 is mainly formed with a second sealing slot 24 which is inverted to the first sealing slot 17 on the inner side, a first filling ring 25 for filling glue is formed between the first sealing slot 17 and the second sealing slot 24; for the lid between lid and the casing 10 outside closes closely the degree, the outside shaping that is located sealed limit 22 with cap 20 has the limit of raising 26, cap 20 makes to be formed with second packing circle 27 between the opening 11 border of casing 10 and the border of cap 20 through raising limit 26, first packing circle 25 and second packing circle 27 can fill glue, make between cap 20 and the casing 10 can fully contact with glue, thereby can reach firm sealed lid effect more.
As further shown in fig. 3, the electrode port 21 is made of a copper material; the copper material has the function of corrosion resistance, so that the electrode port 21 can not leak water in the underwater environment for a long time, and the sealing effect is reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (10)

1. A lithium battery pack suitable for underwater use is characterized by comprising a shell and a battery pack packaged in the shell, wherein the shell comprises a shell body and a shell cover, the upper end of the shell body is provided with an opening in a through mode, and the shell cover is covered on the opening of the shell body in a sealing mode; the side part of the shell is provided with four first cambered surface structures which are centrosymmetric, a smooth surface structure is respectively arranged between two first cambered surface structures positioned on the front side of the shell and between two first cambered surface structures positioned on the rear side of the shell, and an inward concave groove structure is respectively arranged between two first cambered surface structures positioned on the left side of the shell and between two first cambered surface structures positioned on the right side of the shell; the battery pack is arranged in the shell, the battery pack is provided with four electric core pieces, the four electric core pieces are respectively close to the four first cambered surface structures, gaps are formed between the four electric core pieces and the inner side of the shell, glue filling the gaps is irrigated in the shell, and the battery pack is arranged in the shell through the glue; the shell cover is provided with two electrode ports, and the anode and the cathode of the battery pack extend out of the shell through the two electrode ports.
2. The lithium battery pack suitable for underwater use as claimed in claim 1, wherein the two first arc-shaped structures located on the left side of the casing and the two first arc-shaped structures located on the right side of the casing are extended towards the groove structure to form arc-shaped bars, and the arc-shaped bars are located on the lower portion of the casing; the lower extreme of casing still is provided with the circular shape and consolidates the lid, consolidates and covers the shaping and have the first insertion structure who inserts in the groove structure, inside first insertion structure inserted the groove structure to first insertion structure blocks the cooperation with the arc blend stop.
3. The lithium battery pack suitable for underwater use as claimed in claim 2, wherein the reinforcing cover is further formed with second insertion structures respectively inserted into the front side and the rear side of the case, and the outer side of the second insertion structure is an arc surface engaged with the arc barrier.
4. The underwater lithium battery pack of claim 3, wherein the middle position of the front side of the housing and the middle position of the rear side of the housing are respectively formed with a reinforcing structure, the reinforcing structure comprises a second arc structure and a first supporting profile structure, the second arc structure is connected and matched with the arc barrier, the second arc structure is matched and butted with a second insertion structure, the first supporting profile structure is arranged between the second arc structure and the housing, a cavity is supported between the second arc structure and the housing, and the second insertion structure is formed with a second supporting profile structure inserted into the cavity.
5. A lithium battery adapted for underwater use according to any of claims 1-4, characterized in that a reinforcement strip is formed in the groove structure and a reinforcement seat is formed in the lower part of the groove structure.
6. The lithium battery pack suitable for underwater use as claimed in claim 1, wherein the lower end of the case cover is formed with a sealing edge formed to be fitted to the opening in a downward direction, and the case cover is hermetically closed to the opening of the case body by the sealing edge.
7. The lithium battery pack suitable for underwater use as claimed in claim 6, wherein the inside of the opening of the case is provided with a first sealing insertion groove matched with the sealing edge, the sealing edge is inserted into the first sealing insertion groove, and the inside of the sealing edge is provided with an inclined surface for pushing the glue inwards.
8. The lithium battery pack suitable for underwater use as claimed in claim 7, wherein the sealing edge is formed at an inner side thereof with a second sealing insertion groove inverted to the first sealing insertion groove, and a first filling ring for filling the glue is formed between the first sealing insertion groove and the second sealing insertion groove.
9. The lithium battery pack suitable for underwater use as claimed in any one of claims 6 to 8, wherein the cover is formed with a raised edge on the outer side of the sealing edge, and the cover is formed with a second filling ring between the edge of the opening of the cover and the edge of the cover by the raised edge.
10. The lithium battery pack for underwater use of claim 1, wherein the electrode port is made of a copper material.
CN202220171569.4U 2022-01-21 2022-01-21 Lithium battery pack suitable for underwater use Active CN217387420U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220171569.4U CN217387420U (en) 2022-01-21 2022-01-21 Lithium battery pack suitable for underwater use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220171569.4U CN217387420U (en) 2022-01-21 2022-01-21 Lithium battery pack suitable for underwater use

Publications (1)

Publication Number Publication Date
CN217387420U true CN217387420U (en) 2022-09-06

Family

ID=83098386

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220171569.4U Active CN217387420U (en) 2022-01-21 2022-01-21 Lithium battery pack suitable for underwater use

Country Status (1)

Country Link
CN (1) CN217387420U (en)

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