CN208889732U - A kind of battery case of lithium ion battery - Google Patents

A kind of battery case of lithium ion battery Download PDF

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Publication number
CN208889732U
CN208889732U CN201821814634.0U CN201821814634U CN208889732U CN 208889732 U CN208889732 U CN 208889732U CN 201821814634 U CN201821814634 U CN 201821814634U CN 208889732 U CN208889732 U CN 208889732U
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China
Prior art keywords
battery
lithium ion
side plate
ion battery
battery case
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CN201821814634.0U
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Chinese (zh)
Inventor
柯志民
丁鹏
王琼瑜
韩亮
肖超善
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Zhangzhou Huawei Power Supply Technology Co Ltd
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Zhangzhou Huawei Power Supply Technology Co Ltd
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Priority to CN201821814634.0U priority Critical patent/CN208889732U/en
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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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  • Battery Mounting, Suspending (AREA)

Abstract

The utility model provides a kind of battery case of lithium ion battery, is related to lithium ion battery manufacturing field.Wherein, the battery case of this lithium ion battery, including upper cover and there is open-topped box body, upper cover lid closes the top opening in box body, it is provided with a plurality of support rod for being used to support battery core in box portion bottom wall and the fastener for being fixed on battery core on support rod, battery core are fixed to the middle position of box body by fastener.Battery pack structure provided by the utility model is simple, and passes through the whole design of upper cover and box body, so that battery case has excellent waterproof performance and good heat dissipation effect.

Description

A kind of battery case of lithium ion battery
Technical field
The utility model relates to lithium ion battery manufacturing fields, in particular to a kind of battery case of lithium ion battery.
Background technique
Lithium ion battery is a kind of secondary cell, and there are many lithium-ion electrics of display battery status on the market at present Pond product.But the waterproof measure of these lithium ion battery products is made incomplete.Cause water be easy through cell cover and The contact portion of battery box, or the through-hole opened up from upper cover or gap enter inside lithium ion cell.And water enters box body Behind inside, also fresh few insulating measure that is arranged in box body contacts the water for penetrating into box body with battery core.Once and water and box body Internal battery core contact, gently then damages electronic circuit, the battery core of lithium ion battery, heavy then will cause safety accident.
In view of this, utility model people is special after having studied existing technology to propose the application.
Utility model content
The utility model provides a kind of battery case and lithium ion battery for lithium ion battery, it is intended to improve lithium ion The problem of battery case poor waterproof properties.
In order to solve the above technical problems, the utility model provides a kind of battery case of lithium ion battery, including upper cover and With open-topped box body, the upper cover lid closes the top opening in the box body, is provided in the box portion bottom wall a plurality of It is used to support the support rod of battery core and the fastener for being fixed on the battery core on the support rod, the battery core The middle position of the box body is fixed to by the fastener.
Further, the support rod is convexed to form by the box portion bottom wall.
Further, the battery core is 10~30cm at a distance from the box side wall.
Further, the edge of the upper cover towards described battery case one end is equipped with first annular protrusion, the upper caping Portion offers the first annular groove being adapted to the first annular protrusion, and sealing ring or glutinous is equipped in the first annular groove Glue-line, for sealing the box body.
Further, the upper cover includes the circuit mounting area for being equipped with circuit board, is equipped with touch display module Display module installation region and the terminal installation region for being equipped with battery terminal, which is characterized in that the upper cover offers first Groove and lid close the transparent cover in first groove, and the side of the transparent cover towards first groove sets the second ring Shape protrusion, the bottom wall of first groove offer the second annular groove being adapted to second annular protrusion, and described first The bottom wall of groove offers the through-hole passed through for display module for touch, and the touch display module is threaded through the through-hole In, and touch display screen is bonded with the transparent cover.
Further, the battery terminal is fixed on the upper cover using pre-buried injection molding technology.
Further, the contact position of the transparent cover and first groove is equipped with adhesive layer or welding layer.
Further, the upper cover and surface are provided with multiple screw through-holes, each screw through-hole be provided with Its compatible rubber chock plug.
Further, the fastener include the first side plate being oppositely arranged, the second side plate and connection first side plate, First top plate of second side plate;First side plate, second side plate and first top plate are formed the battery core The inverted U accommodating space of tight, first side plate, second side plate are equipped with for the fastener to be fixed on Fixed part on the support rod;First side plate, second side plate and first top plate offer ventilation hole.
Further, the cartridge outer surface is equipped with honeycomb protrusion.
By using above-mentioned technical proposal, the utility model can obtain following technical effect:
The battery case of lithium ion battery provided by the utility model, by being provided with a plurality of be used to support in box portion bottom wall The support rod of battery core and fastener for being fixed on battery core on the support rod, so that battery core and box portion bottom wall are not Contact, support rod can isolate the water for penetrating into tray interior on a small quantity, can also play certain heat spreading function.And it utilizes tight Firmware can not only fasten battery core, can also be separated battery core and box body surrounding side wall by fastener, avoid battery case unexpected When infiltration, water is flowed into along box side wall, directly contact battery core.The fastener that battery core is offered ventilation hole is fixed in box body Between position, also enhance heat dissipation effect.In addition to this, the utility model also to upper cover carry out water-proofing treatment, prevent water from upper cover, The contact site of upper cover and box body enters battery inside, has further completely cut off a possibility that water enters battery inside.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the lithium ion battery that the utility model embodiment 1 provides;
Fig. 2 is the structural schematic diagram of lithium ion battery box (removing upper cover) and battery core that the utility model embodiment 1 provides;
Fig. 3 is sectional view of the Fig. 2 along the direction B-B;
Fig. 4 is the structural schematic diagram for the fastener that the utility model embodiment 1 provides;
Fig. 5 is structural schematic diagram of the lithium ion battery upper cover of the offer of the utility model embodiment 2 under the first visual angle;
Fig. 6 is the lithium ion battery upper cover (removing transparent cover) of the offer of the utility model embodiment 2 under the second visual angle Structural schematic diagram;
Fig. 7 is sectional view of the Fig. 6 along the direction A-A;
Fig. 8 is structural schematic diagram of the lithium ion battery upper cover of the offer of the utility model embodiment 2 under third visual angle;
Fig. 9 be the utility model embodiment 2 provide transparent cover structural schematic diagram;
Figure 10 is the sectional view of Fig. 9.
Marked in the figure: 1- terminal;2- upper cover;3- box body;4- battery core;10- terminal installation region;20- circuit mounting area; 30- display module installation region;21- screw through-hole;31- support rod;32- first annular groove;The first annular protrusion of 321-; 33- fastener;34- honeycomb protrusion;The first groove of 300-;301- bottom wall;302- second annular groove;303- through-hole;304- Transparent cover;The second annular protrusion of 305-;The second groove of 306-;307- screw assembly;The first side plate of 331-;332- second side Plate;The first top plate of 333-;334- ventilation hole.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be Mechanical connection, is also possible to be electrically connected;It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.
Embodiment 1
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing:
As shown in FIG. 1 to FIG. 4, the utility model provides a kind of battery case of lithium ion battery, including upper cover 2 and has Open-topped box body 3, the lid of upper cover 2 close the top opening in the box body 3, are provided with a plurality of use in the box portion bottom wall Support rod 31 in support battery core 4 and fastener 33 for being fixed on battery core 4 on the support rod 31, the electricity Core 4 is fixed to the middle position of the box body 3 by the fastener 33.
The utility model on 3 bottom wall of box body by being provided with a plurality of support rod 31 for being used to support battery core 4 and using In the fastener 33 being fixed on battery core 4 on the support rod 31, so that battery core 4 is not contacted with 3 bottom wall of box body, support rod 31 can isolate the water penetrated into inside box body 3 on a small quantity, can also play certain heat spreading function.And utilize fastener 33 not only Battery core 4 can be fastened, battery core 4 and 3 surrounding side wall of box body can also be separated by fastener 33, battery case is avoided surprisingly to seep water When, water is flowed into along 3 side wall of box body, directly contact battery core 4.The fastener 33 that battery core 4 is offered ventilation hole 334 is fixed to box body 3 middle position, further increases heat dissipation effect.It is understood that in the present embodiment, battery core 4 is consolidated by fastener 33 Determine to the middle position of box body 3, the middle position includes any position not contacted with 3 side wall of box body.
Further, as shown in figure 3, the support rod 31 is convexed to form by 3 bottom wall of box body.It is integrally formed in this way 31 set-up mode of support rod, can not only play waterproof, heat dissipation effect, it is ensured that the stability of support rod 31, from And ensures battery core 4 and be mounted on the stability of support rod 31.
Further, the battery core 4 is 10~30cm at a distance from the battery case side wall.Setting can both save in this way The material of battery case, it can also be ensured that waterproof effect.
Further, as shown in figure 4, the fastener 33 includes the first side plate 331, the second side plate 332 being oppositely arranged With the first top plate 333 for connecting first side plate 331, second side plate 332.First side plate 331, described second side Plate 332 and first top plate 333 are formed the inverted U accommodating space of 4 tight of battery core, first side plate 331, Second side plate 332 is equipped with the fixed part for being fixed on the fastener 33 on the support rod 31.This is practical A battery core 4 or multiple concatenated battery cores 4 can be placed in the U-shaped accommodating space of novel formation, battery core 4 is cylinder, because This can be fitted closely with inverted U accommodating space, and gap is small between fastener 33 and battery core 4, guarantee that battery core 4 can be fixed on branch It supports on rib 31, so that battery core 4 will not shake lithium ion battery during transportation.
It is understood that the fixed part can be setting in the first side plate in the embodiments of the present invention 331, the screw through-hole 21 of the second side plate 332 also is provided with compatible screw through-hole 21 on support rod 31, will be tight by screw Firmware 33 is fixed on support rod 31, but not limited to this, as long as meeting the function that fastener 33 is fixed on to support rod 31 Energy.
Further, first side plate 331, second side plate 332 and first top plate 333 offer ventilation Hole 334.Battery battery core 4 is also radiated by the ventilation hole 334 that fastener 33 opens up.
Further, as shown in Figure 3 and Figure 7, the edge of the upper cover 2 towards described battery case one end is equipped with first annular Protrusion 321, offers the first annular groove 32 being adapted to described first annular raised 321 at the top of the upper cover 2, and described first Sealing ring or mucigel are equipped in annular groove 32, for sealing the box body 3.Guarantee that water will not be from the company of upper cover 2 and box body 3 Seam gap enters inside lithium ion cell, damages to battery core 4, has further completely cut off a possibility that water enters 3 inside of box body.
Further, as shown in Figure 1, the battery box outer surfac is equipped with honeycomb protrusion 34.Honeycomb protrusion 34 increases The heat dissipation area of battery box outer surfac, further improves heat dissipation effect.And honeycomb protrusion 34 increases battery case appearance The frictional force in face, so that battery box outer surfac is not easy to be scraped off.
Embodiment 2
Referring to shown in Fig. 5~Figure 10, the present embodiment provides a kind of lithium ion battery upper covers.
Further, as shown in Fig. 5~Figure 10, the upper cover 2 includes the circuit mounting area 20 for being equipped with circuit board, peace Display module installation region 30 equipped with touch display module is mounted on region 10 with the terminal for being equipped with battery terminal 1.
Further, as shown in figure 5, the circuit mounting area 20 and display module installation region 30 are in the upper cover 2 Upper formation T-type protrusion space, the mountable circuit board of the accommodating space that T-type convexes to form and display module.The circuit installing zone The corresponding upper cover 2 in domain 20 is provided with multiple screw through-holes 21 on the back portion of lithium ion battery, for fixing State circuit board.Circuit board is installed in 2 back side protrusion space of upper cover, first is that the thoroughly possibility of exclusion of water and circuit board contacts, two It is that circuit board is fixed on easy to disassemble in upper cover 2 and maintenance.The terminal is mounted on there are two regions 10, the display module peace Dress region 30 is located at two terminals and is mounted between region 10.
As shown in Fig. 6 and Fig. 9, there is the first groove 300 and lid to close described first for the display module installation region 30 The transparent cover 304 of groove 300, the transparent cover 304 are equipped with the second annular protrusion towards the side of first groove 300 305, the bottom wall 301 of first groove 300 offers the second annular groove 302 being adapted to second annular protrusion 305, The bottom wall 301 of first groove 300 offers the through-hole 303 passed through for display module for touch, and the touch shows mould Block is threaded through in the through-hole 303, and the touch display module is bonded with the transparent cover 304.By lithium ion battery Display module is mounted under transparent cover 304, and exclusion of water is directly contacted with display module, prevents leaching of the water to display module Profit.
Further, the contact position of the transparent cover 304 and first groove 300 is equipped with adhesive layer or welding Layer.It is understood that in the present embodiment, the contact position of the transparent cover 304 and first groove 300 can be The position that the edge of transparent cover 304 is contacted with the first groove 300, be also possible to the annular protrusion of transparent cover 304 with The position or above two contact site of annular groove contact are equipped with adhesive layer or welding layer, guarantee that water will not be from transparent The edge infiltration that cover plate 304 is contacted with the first groove 300 is entered.
Further, the material of the transparent cover 304 is plastics or organic glass.
Further, as shown in figure 8, the display module is fixed on the bottom wall 301 by screw assembly 307, reinforce Display module is bonded with transparent capping.
Further, the touch display module includes touch display, fixed plate and buzzer.The touch display It is arranged in the fixed plate with the buzzer, the fixed plate is fixed on the bottom wall by the screw assembly 307 301.Whether the buzzer is in health status for alarm lithium ion battery.The present embodiment uses touch display, abandons The design that through-hole is opened up for monitor switch has further completely cut off a possibility that water enters battery case by upper cover 2.
It should be noted that in the present embodiment, the various pieces of touch display module can use commercially available existing Product, specific structure and principle are the prior art, are not repeated here herein.
Further, as shown in Fig. 9~Figure 10, the transparent cover 304 also opens up on the surface of the bottom wall 301 There is the second groove 306, the buzzer is bonded second groove 306 and is arranged.The thickness of second groove 306 is than described Bright cover plate 304 is thinner, and the buzzer is bonded the setting of the second groove 306, when buzzer sounds an alarm sound, can pass through second Groove 306 generates the effect of public address, and that reminds user's lithium ion battery is in unhealthy condition.
Further, 2 surface of upper cover is provided with multiple screw through-holes 21, and each screw through-hole 21 is provided with Matched rubber chock plug.The screw through-hole 21 is arranged far from the display module installation region 30, reduces water infiltration A possibility that.Moreover, the box body 3 is internally provided with screw through-hole compatible with the screw through-hole on 2 surface of upper cover, when After being locked upper cover 2 and box body 3 by screw, rubber chock plug is filled in screw through-hole 21, water is avoided to soak from screw through-hole 21 Moisten to inside box body 3.
Further, the battery terminal 1 is fixed on the upper cover 2 using pre-buried injection molding technology.It is pre- using battery terminal 1 Shooting Technique is buried, so that battery terminal 1 is fixed on strongerly on cell cover 2, it will not be because excessive external force be to battery-end Son 1 damages.And will not be had the gap between battery terminal 1 and upper cover 2, make lithium ion battery that there is preferable water proof and dust proof Energy.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of battery case of lithium ion battery, including upper cover and there is open-topped box body, the upper cover lid is closed described The top opening of box body, which is characterized in that be provided in the box portion bottom wall a plurality of support rod for being used to support battery core and Fastener for being fixed on the battery core on the support rod, the battery core are fixed to the box body by the fastener Middle position.
2. the battery case of lithium ion battery according to claim 1, it is characterised in that, the support rod is by the box body Bottom wall convexes to form.
3. the battery case of lithium ion battery according to claim 1, it is characterised in that, the battery core and the box side wall Distance be 10~30cm.
4. the battery case of lithium ion battery according to claim 1, it is characterised in that, the upper cover is towards the battery case The edge of one end be equipped with first annular protrusion, the upper tops offer be adapted to the first annular protrusion it is first annular Groove, the first annular groove is interior to be equipped with sealing ring or mucigel, for sealing the box body.
5. the battery case of lithium ion battery according to claim 1, the upper cover includes being equipped with the circuit peace of circuit board Dress region is equipped with the display module installation region of touch display module and is equipped with the terminal installation region of battery terminal, It is characterized in that, the upper cover offers the transparent cover of the first groove and lid conjunction in first groove, the transparent cover court The second annular protrusion is set to the side of first groove, the bottom wall of first groove offers and second annular protrusion The second annular groove of adaptation, the bottom wall of first groove offers the through-hole passed through for display module for touch, described Touch display module is worn in the through hole, and touch display screen is bonded with the transparent cover.
6. the battery case of lithium ion battery according to claim 5, it is characterised in that, the battery terminal uses pre-buried note Molding technology is fixed on the upper cover.
7. the battery case of lithium ion battery according to claim 5, it is characterised in that, the transparent cover and described first The contact position of groove is equipped with adhesive layer or welding layer.
8. the battery case of lithium ion battery according to claim 1, it is characterised in that, the upper lid surface is provided with multiple Screw through-hole, each screw through-hole are provided with matched rubber chock plug.
9. the battery case of lithium ion battery according to claim 1, it is characterised in that, the fastener includes being oppositely arranged The first side plate, the second side plate and connection first side plate, second side plate the first top plate;First side plate, institute It states the second side plate and first top plate is formed the inverted U accommodating space of the battery core tight, first side plate, institute It states the second side plate and is equipped with fixed part for being fixed on the fastener on the support rod;First side plate, institute It states the second side plate and first top plate offers ventilation hole.
10. the battery case of lithium ion battery according to claim 1, it is characterised in that, the cartridge outer surface is equipped with bee Nido protrusion.
CN201821814634.0U 2018-11-05 2018-11-05 A kind of battery case of lithium ion battery Active CN208889732U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821814634.0U CN208889732U (en) 2018-11-05 2018-11-05 A kind of battery case of lithium ion battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821814634.0U CN208889732U (en) 2018-11-05 2018-11-05 A kind of battery case of lithium ion battery

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110534678A (en) * 2019-09-19 2019-12-03 安徽超稳动力节能科技有限公司 Battery component battery core combination and combined using the battery core

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110534678A (en) * 2019-09-19 2019-12-03 安徽超稳动力节能科技有限公司 Battery component battery core combination and combined using the battery core

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