CN214957082U - Small-size soft packet of lithium cell - Google Patents

Small-size soft packet of lithium cell Download PDF

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Publication number
CN214957082U
CN214957082U CN202121442207.6U CN202121442207U CN214957082U CN 214957082 U CN214957082 U CN 214957082U CN 202121442207 U CN202121442207 U CN 202121442207U CN 214957082 U CN214957082 U CN 214957082U
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CN
China
Prior art keywords
casing
lithium battery
lithium cell
shell
soft packet
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CN202121442207.6U
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Chinese (zh)
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郑炜
王世宏
李宁
彭兆花
李红旗
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Fangxian Shunfa New Energy Co ltd
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Fangxian Shunfa New Energy 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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  • Sealing Battery Cases Or Jackets (AREA)
  • Secondary Cells (AREA)

Abstract

The utility model relates to a lithium cell field discloses a small-size soft packet of lithium cell, including soft packet of lithium cell body, this internal fixed mounting of soft packet of lithium cell has anodal ear and negative pole ear, two mounting holes have been seted up on soft packet of lithium cell body's the top inner wall, anodal ear the top with the top of negative pole ear is run through corresponding respectively the mounting hole, on the anodal ear with equal fixed cover is equipped with the sealing washer on the negative pole ear, two the outer wall of sealing washer respectively with corresponding the inner wall fixed connection of mounting hole, this internal fixed mounting of soft packet of lithium cell has two conducting strips. The utility model has the advantages of it is following and effect: can carry out effectual resistance to compression protection and buffer protection to soft packet of lithium cell body, prolong soft packet of lithium cell body's life to can carry out quick effectual heat dissipation to soft packet of lithium cell body inside, improved soft packet of lithium cell body's radiating effect and radiating efficiency.

Description

Small-size soft packet of lithium cell
Technical Field
The utility model relates to a lithium cell technical field, in particular to small-size soft packet of lithium cell.
Background
Soft packet of lithium cell sheathes one deck polymer shell at liquid lithium ion battery, structurally adopts the plastic-aluminum membrane packing, soft packet of lithium cell can only bloate the novel battery that the gas cracked at most under the condition that takes place the potential safety hazard, soft packet of lithium cell the inside then is the electrolyte of liquid, the battery outside touches slightly soft, small-size soft packet of lithium cell has that the security performance is good, light in weight, capacious, the internal resistance is little, design advantage such as nimble, nowadays, small-size soft packet of lithium cell wide application is in fields such as digital product, electronic product.
Among the prior art, the small-size soft packet of lithium cell commonly used does not have good resistance to compression protection and buffering protection's function in the use, leads to small-size soft packet of lithium cell to receive external applied pressure easily and damages easily when receiving the vibrations power, has reduced the life of small-size soft packet of lithium cell, and the radiating effect when small-size soft packet of lithium cell uses is not good moreover, and the radiating efficiency is low for small-size soft packet of lithium cell produces high temperature easily and damages.
Therefore, a small-sized soft package lithium battery with good compression-resistant protection and buffering protection effects, good heat dissipation effect and long service life needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a small-size soft packet of lithium cell has good resistance to compression protection and buffering protection's effect to good radiating effect has.
The above technical purpose of the present invention can be achieved by the following technical solutions: a small-sized soft package lithium battery comprises a soft package lithium battery body, wherein a positive electrode lug and a negative electrode lug are fixedly arranged in the soft package lithium battery body, two mounting holes are formed in the inner wall of the top of the soft package lithium battery body, the top end of the positive electrode lug and the top end of the negative electrode lug penetrate through the corresponding mounting holes respectively, sealing rings are fixedly sleeved on the positive electrode lug and the negative electrode lug respectively, the outer walls of the two sealing rings are fixedly connected with the inner walls of the corresponding mounting holes respectively, two heat conducting sheets are fixedly arranged in the soft package lithium battery body, a round hole is formed in one side of each of the two heat conducting sheets, the bottom ends of the two heat conducting sheets extend out of the soft package lithium battery body, a first shell and a second shell are arranged on two sides of the soft package lithium battery body respectively, one side of the first shell and one side of the second shell, which are close to each other, are both in an open structure, the top of first casing with the top of second casing is the opening structure, the top of first casing with the bottom inner wall of second casing all with soft packet of lithium cell body's bottom contacts, soft packet of lithium cell body's top extends to first casing with outside the second casing, first casing with equal fixed mounting has the blotter on one side inner wall of second casing, two one side that the blotter is close to each other all with soft packet of lithium cell body's outer wall contacts.
Through adopting above-mentioned technical scheme, utilize the protecting crust that first casing and second casing concatenation are constituteed, can carry out effectual resistance to compression protection to soft packet of lithium cell body, avoid soft packet of lithium cell body to be pressed and damage, set up two blotters, play the effect of carrying out effectual buffering protection to soft packet of lithium cell body, avoid soft packet of lithium cell body to receive the shaking force for a long time and damage, set up two sealing washers, play and carry out sealed effect to two mounting holes, avoid soft packet of inside electrolyte of lithium cell body to ooze from the mounting hole.
The utility model discloses a further set up to: the first casing with equal fixed mounting has a plurality of radiating fin on one side inner wall of second casing, a plurality of radiating fin's in the first casing one end all extends to outside the first casing, a plurality of radiating fin's in the second casing one end all extends to outside the second casing.
Through adopting above-mentioned technical scheme, set up a plurality of radiating fin, can avoid the inside temperature of protecting crust that first casing and second casing concatenation are constituteed to the external world to the inside heat transfer of protecting crust to rise and influence soft packet of lithium cell body, a plurality of radiating fin all are made by the aluminium material that the heat conductivity is good.
The utility model discloses a further set up to: the first casing is close to one side fixed mounting of second casing has a plurality of rubber plungers, and is a plurality of rubber plungers is equidistant two bisymmetry setting, the second casing is close to one side of first casing has seted up a plurality of draw-in grooves, and is a plurality of the draw-in groove is equidistant two bisymmetry setting, and is a plurality of rubber plungers is sliding mounting respectively corresponding in the draw-in groove.
Through adopting above-mentioned technical scheme, set up a plurality of rubber plungers respectively with corresponding draw-in groove cooperation, be convenient for splice first casing and second casing fast fixed, the convenience is installed fast the protecting crust that first casing and second casing concatenation are constituteed and is fixed outside soft packet of lithium cell originally to the dismantlement liquid convenient and fast to first casing and second casing.
The utility model discloses a further set up to: through holes with one side arranged as an opening are formed in the inner wall of the bottom of the first shell and the inner wall of the bottom of the second shell, and the bottom ends of the two heat conducting fins penetrate through the corresponding through holes respectively.
Through adopting above-mentioned technical scheme, set up two through-holes, be convenient for expose the bottom of two conducting strips outside the protecting crust that first casing and second casing are constituteed, can not influence two conducting strips and to the inside thermal conduction of soft packet of lithium cell body.
The utility model discloses a further set up to: the number of the round holes on the same heat-conducting fin is multiple, and the round holes are arranged in an equidistant array.
Through adopting above-mentioned technical scheme, set up a plurality of round holes for the inside electrolyte of soft packet of lithium cell body can follow the round hole and flow through, thereby can not influence the flow of electrolyte in soft packet of lithium cell body inside, and when electrolyte passes through from a plurality of round holes, make the heat in the electrolyte can be more abundant contact with the conducting strip, thereby can be external to soft packet of lithium cell body more heat transfer.
The utility model discloses a further set up to: and the two heat conducting fins are both made of copper metal materials.
Through adopting above-mentioned technical scheme, the conducting strip can be formed for brass or red copper material preparation, and the thickness of conducting strip is 0.3-0.8 millimeter, and it is originally external to utilize two conducting strips can be to soft packet of inside heat transfer of lithium cell body to soft packet of lithium cell, has radiating effect.
The utility model has the advantages that:
1. the utility model discloses an in inserting corresponding draw-in groove on the second casing respectively to a plurality of rubber plungers on the first casing, the power compresses tightly first casing and second casing, has accomplished the combination of first casing and second casing promptly and has fixed, alright fix first casing and second casing combination on soft packet of lithium cell body fast.
2. The utility model discloses an utilize the protecting crust that first casing and second casing combination constitute, can carry out effectual resistance to compression protection to soft packet of lithium cell body, avoid soft packet of lithium cell body to be compressed and damage, through setting up two blotters, play the effect of carrying out effectual buffering protection to soft packet of lithium cell body, avoid soft packet of lithium cell body to receive the vibrations power for a long time and damage to can carry out effectual resistance to compression protection and buffering protection to soft packet of lithium cell body, prolong soft packet of lithium cell body's life.
3. The utility model can transmit the heat in the electrolyte inside the soft package lithium battery body to the outside of the soft package lithium battery body by utilizing the two heat-conducting fins, by arranging the plurality of round holes, the electrolyte in the soft package lithium battery body can flow through the round holes, the flowing of the electrolyte in the soft package lithium battery body is not influenced, and the heat in the electrolyte can be more fully contacted with the heat conducting fins, thereby more heat can be transferred outside the soft package lithium battery body, and by arranging a plurality of radiating fins, the heat in the protective shell formed by combining the first shell and the second shell can be transferred to the outside, the heat dissipation of the soft package lithium battery body is prevented from being influenced by the temperature rise in the protective shell formed by combining the first shell and the second shell, thereby can carry out quick effectual heat dissipation to soft packet of lithium cell body inside, improve soft packet of lithium cell body's radiating effect and radiating efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present embodiment.
Fig. 2 is a front sectional structural view of the present embodiment.
Fig. 3 is a schematic sectional top view of the first and second housings.
Fig. 4 is an enlarged schematic view of a portion a of fig. 3.
Fig. 5 is a front view of the first housing.
In the figure, 1, a soft package lithium battery body; 2. a positive tab; 3. a negative tab; 4. mounting holes; 5. a seal ring; 6. a heat conductive sheet; 7. a circular hole; 8. a first housing; 9. a second housing; 10. a cushion pad; 11. a heat dissipating fin; 12. a rubber plunger; 13. a card slot; 14. and a through hole.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the utility model provides a small-size soft packet of lithium cell includes: the soft package lithium battery comprises a soft package lithium battery body 1, wherein a positive electrode lug 2 and a negative electrode lug 3 are fixedly installed in the soft package lithium battery body 1, two installation holes 4 are formed in the inner wall of the top of the soft package lithium battery body 1, the top end of the positive electrode lug 2 and the top end of the negative electrode lug 3 respectively penetrate through the corresponding installation holes 4, sealing rings 5 are fixedly sleeved on the positive electrode lug 2 and the negative electrode lug 3 respectively, the outer walls of the two sealing rings 5 are fixedly connected with the inner walls of the corresponding installation holes 4 respectively, two heat conducting sheets 6 are fixedly installed in the soft package lithium battery body 1, one sides of the two heat conducting sheets 6 are provided with round holes 7, the bottom ends of the two heat conducting sheets 6 extend out of the soft package lithium battery body 1, two sides of the soft package lithium battery body 1 are respectively provided with a first shell 8 and a second shell 9, one sides of the first shell 8 and the second shell 9, which are close to each other, are both in an open structure, the top of first casing 8 with the top of second casing 9 is the opening structure, the top of first casing 8 with the bottom inner wall of second casing 9 all with soft packet of lithium cell body 1's bottom contacts, soft packet of lithium cell body 1's top extends to first casing 8 with outside the second casing 9, first casing 8 with equal fixed mounting has blotter 10 on one side inner wall of second casing 9, two one side that blotter 10 is close to each other all with soft packet of lithium cell body 1's outer wall contacts.
Specifically, first casing 8 with all fixed mounting has a plurality of radiating fin 11 on one side inner wall of second casing 9, the one end of a plurality of radiating fin 11 in the first casing 8 all extends to outside the first casing 8, the one end of a plurality of radiating fin 11 in the second casing 9 all extends to outside the second casing 9.
Specifically, first casing 8 is close to one side fixed mounting of second casing 9 has a plurality of rubber plungers 12, and is a plurality of rubber plungers 12 are equidistant two-by-two symmetry setting, second casing 9 is close to one side of first casing 8 has seted up a plurality of draw-in grooves 13, and is a plurality of draw-in grooves 13 are equidistant two-by-two symmetry setting, and is a plurality of rubber plungers 12 is corresponding slidable mounting respectively in the draw-in groove 13, rubber plungers 12 is made for elastic rubber material, and the diameter of rubber plungers 12 slightly is greater than the diameter of draw-in groove 13 to it is more firm to make rubber plungers 12 and draw-in groove 13's grafting cooperation, makes the combination of first casing 8 and second casing 9 fixed fastening more, is difficult for scattering.
Specifically, through holes 14 with one side being an opening are formed in the inner wall of the bottom of the first casing 8 and the inner wall of the bottom of the second casing 9, and the bottom ends of the two heat-conducting fins 6 penetrate through the corresponding through holes 14 respectively.
Specifically, the number of the round holes 7 on the same heat conducting fin 6 is plural, and the plurality of round holes 7 are arranged in an equidistant array.
Specifically, the two heat conduction fins 6 are both made of copper metal material.
Specifically, 1 inside positive plate and a plurality of negative pole piece of having more that still is provided with of soft packet of lithium cell body, the positive plate overlaps with the negative pole piece is crisscross to be set up, 1 inside still is provided with a plurality of diaphragms of soft packet of lithium cell body, keep apart through the diaphragm between every positive plate and every negative pole piece, and a plurality of positive plates all are connected with anodal ear 2, a plurality of negative pole pieces all are connected with negative pole ear 3, because 1 inside positive plate that is provided with of soft packet of lithium cell body, a plurality of negative pole pieces and a plurality of diaphragm belong to prior art field, so do not draw in the drawing.
The working principle is as follows: the bottom of the soft package lithium battery body 1 is contacted with the bottoms of the first shell 8 and the second shell 9 by respectively arranging the first shell 8 and the second shell 9 at two sides of the soft package lithium battery body 1, the bottom ends of the two heat conducting sheets 6 are respectively penetrated through the corresponding through holes 14, the top of the soft package lithium battery body 1 is extended out of the first shell 8 and the second shell 9, then the first shell 8 and the second shell 9 are tightly pressed by force, a plurality of rubber plungers 12 on the first shell 8 are respectively inserted into the corresponding clamping grooves 13, the combination and fixation of the first shell 8 and the second shell 9 are completed, at the moment, the two buffer cushions 10 are contacted with the outer wall of the soft package lithium battery body 1, thereby utilizing the protection shell formed by combining the first shell 8 and the second shell 9, the soft package lithium battery body 1 can be effectively protected against pressure, and the soft package lithium battery body is prevented from being damaged due to pressure, through the arrangement of the two buffer pads 10, the effect of effective buffer protection on the soft package lithium battery body 1 is achieved, the soft package lithium battery body 1 is prevented from being damaged due to long-time vibration force, so that the effective compression protection and buffer protection can be performed on the soft package lithium battery body 1, the service life of the soft package lithium battery body 1 is prolonged, the heat in the electrolyte inside the soft package lithium battery body 1 can be transmitted to the outside of the soft package lithium battery body 1 by utilizing the two heat conducting sheets 6, the heat dissipation effect is achieved, the electrolyte inside the soft package lithium battery body 1 can flow through the round holes 7 by arranging the round holes 7 on the heat conducting sheets 6, the flowing of the electrolyte inside the soft package lithium battery body 1 is not influenced, and when the electrolyte passes through the round holes 7, the heat in the electrolyte can be more fully contacted with the heat conducting sheets 6, so that more heat can be transmitted to the outside of the soft package lithium battery body 1, the radiating efficiency is improved, through setting up a plurality of radiating fins 11, can be to the inside heat transfer of the protecting crust that first casing 8 and second casing 9 combination constitute to the external world, avoid the inside temperature of the protecting crust that first casing 8 and second casing 9 combination constitute to rise and influence soft packet of lithium cell body 1's heat dissipation, thereby can carry out quick effectual heat dissipation to soft packet of lithium cell body 1 is inside, make soft packet of lithium cell body 1 radiating effect good when using, the radiating efficiency is high.
It is right above the utility model provides a small-size soft packet of lithium cell has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific embodiments, which are merely used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (6)

1. The small soft package lithium battery is characterized by comprising a soft package lithium battery body (1), wherein a positive tab (2) and a negative tab (3) are fixedly mounted in the soft package lithium battery body (1), two mounting holes (4) are formed in the inner wall of the top of the soft package lithium battery body (1), the top end of the positive tab (2) and the top end of the negative tab (3) respectively penetrate through the corresponding mounting holes (4), sealing rings (5) are fixedly sleeved on the positive tab (2) and the negative tab (3), the outer walls of the two sealing rings (5) are fixedly connected with the inner wall of the corresponding mounting holes (4), two heat conducting sheets (6) are fixedly mounted in the soft package lithium battery body (1), a round hole (7) is formed in one side of each of the two heat conducting sheets (6), and the bottom ends of the two heat conducting sheets (6) extend out of the soft package lithium battery body (1), a first shell (8) and a second shell (9) are respectively arranged on two sides of the soft package lithium battery body (1), the sides of the first shell (8) and the second shell (9) which are close to each other are both of an opening structure, the top of the first housing (8) and the top of the second housing (9) are both of an open configuration, the top of the first shell (8) and the inner wall of the bottom of the second shell (9) are both contacted with the bottom of the soft package lithium battery body (1), the top of the soft package lithium battery body (1) extends out of the first shell (8) and the second shell (9), first casing (8) with equal fixed mounting has blotter (10) on the one side inner wall of second casing (9), two one side that blotter (10) are close to each other all with the outer wall of soft packet of lithium cell body (1) contacts.
2. The small soft pack lithium battery of claim 1, wherein: first casing (8) with equal fixed mounting has a plurality of radiating fin (11) on one side inner wall of second casing (9), the one end of a plurality of radiating fin (11) in first casing (8) all extends to outside first casing (8), the one end of a plurality of radiating fin (11) in second casing (9) all extends to outside second casing (9).
3. The small soft pack lithium battery of claim 1, wherein: first casing (8) are close to one side fixed mounting of second casing (9) has a plurality of rubber plunger (12), and is a plurality of rubber plunger (12) are equidistant two liang of symmetries and set up, second casing (9) are close to a plurality of draw-in grooves (13) have been seted up to one side of first casing (8), and are a plurality of draw-in groove (13) are equidistant two liang of symmetries and set up, and are a plurality of rubber plunger (12) respectively slidable mounting be corresponding in draw-in groove (13).
4. The small soft pack lithium battery of claim 1, wherein: through holes (14) with one side set for the opening are formed in the inner wall of the bottom of the first shell (8) and the inner wall of the bottom of the second shell (9), and the bottom ends of the two heat-conducting fins (6) penetrate through the corresponding through holes (14) respectively.
5. The small soft pack lithium battery of claim 1, wherein: the number of the round holes (7) on the same heat conducting fin (6) is multiple, and the round holes (7) are arranged in an equidistant array.
6. The small soft pack lithium battery of claim 1, wherein: the two heat conducting fins (6) are both made of copper metal materials.
CN202121442207.6U 2021-06-28 2021-06-28 Small-size soft packet of lithium cell Active CN214957082U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121442207.6U CN214957082U (en) 2021-06-28 2021-06-28 Small-size soft packet of lithium cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121442207.6U CN214957082U (en) 2021-06-28 2021-06-28 Small-size soft packet of lithium cell

Publications (1)

Publication Number Publication Date
CN214957082U true CN214957082U (en) 2021-11-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114496483A (en) * 2022-02-18 2022-05-13 上海华湘计算机通讯工程有限公司 High-power impedance converter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114496483A (en) * 2022-02-18 2022-05-13 上海华湘计算机通讯工程有限公司 High-power impedance converter
CN114496483B (en) * 2022-02-18 2023-07-14 上海华湘计算机通讯工程有限公司 High-power impedance converter

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