CN207338477U - Battery pack - Google Patents

Battery pack Download PDF

Info

Publication number
CN207338477U
CN207338477U CN201721277158.9U CN201721277158U CN207338477U CN 207338477 U CN207338477 U CN 207338477U CN 201721277158 U CN201721277158 U CN 201721277158U CN 207338477 U CN207338477 U CN 207338477U
Authority
CN
China
Prior art keywords
battery
battery pack
press strip
lower box
limiting plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201721277158.9U
Other languages
Chinese (zh)
Inventor
文显亮
杨海奇
陈哲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Contemporary Amperex Technology Co Ltd
Original Assignee
Contemporary Amperex Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Priority to CN201721277158.9U priority Critical patent/CN207338477U/en
Application granted granted Critical
Publication of CN207338477U publication Critical patent/CN207338477U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Abstract

This application involves energy storage device technical field, more particularly to a kind of battery pack.The battery pack includes multiple batteries;Lower box, the lower box have connecting hole;Press strip, the press strip have location hole;Connector, wherein:Multiple batteries are both supported upon on the lower box, and at least two batteries are arranged along its length direction;On the length direction, the press strip is arranged between two batteries of arbitrary neighborhood;By the connector through the connecting hole and the location hole, the lower box and the press strip are detachably connected, so that the press strip and the battery coordinate in the short transverse upper limit of the battery.The recovery operation of battery pack provided herein is relatively simple.

Description

Battery pack
Technical field
This application involves energy storage device technical field, more particularly to a kind of battery pack.
Background technology
With the enhancing of environmental consciousness, the battery that can be recycled is widely used in major energy supply field.Generally, it is Curtage is reached predetermined demand, often connect multiple batteries by connection sheet, form battery pack and use.In order to Prevent in the course of work of battery pack, because some of which battery appears in the play on oneself height direction, and be unfavorable for whole The trouble free service of a battery pack, it is common, can be by between battery and the babinet of battery pack in the assembling process of battery pack The mode of coated structure glue, each battery is fixedly connected with the babinet of battery pack.But due to battery and battery pack Structure glue is coated between babinet, this can have a negative impact the subsequent recovery process of battery so that recovery operation is more numerous It is trivial.
Utility model content
This application provides a kind of battery pack, the recovery operation relative ease of the battery pack.
This application provides a kind of battery pack, including multiple batteries;Lower box, the lower box have connecting hole;Press strip, The press strip has location hole;Connector, wherein:
Multiple batteries are both supported upon on the lower box, and at least two batteries are arranged along its length direction;
On the length direction, the press strip is arranged between two batteries of arbitrary neighborhood;
By the connector through the connecting hole and the location hole, the lower box and the press strip are detachable Connection, so that the press strip and the battery coordinate in the short transverse upper limit of the battery.
Preferably, the press strip includes limiting plate and limit protrusion, and the limiting plate is connected with the limit protrusion, and institute Location hole is stated to be arranged on the limit protrusion;
In the short transverse, the limiting plate coordinates with the battery limiting;
On the length direction, the limit protrusion coordinates with the battery limiting.
Preferably, the limit protrusion also has cavity, and the limiting plate has mounting hole;
In the short transverse, the mounting hole, the cavity and the location hole are sequentially communicated;
The connector is threaded connector, and the threaded connector includes screw rod and head, and the head is arranged on institute State in cavity.
Preferably, on the thickness direction of the battery, the cavity runs through the limit protrusion.
Preferably, battery pack provided herein further includes flexible buffering piece, between the limiting plate and the battery, And/or the flexible buffering piece is provided between the limit protrusion and the battery.
Preferably, receiving portion is additionally provided with the limiting plate, described accommodation section can accommodate the flexible buffering piece At least partially.
Preferably, on the thickness direction of the battery, multiple receivings are both provided with two sides of the limiting plate Portion.
Optionally, in multiple batteries, at least two batteries are arranged along its thickness direction, and two neighboring institute State and be provided with predetermined interval between battery;
In the short transverse, described accommodation section is correspondingly arranged on above the predetermined interval.
Optionally, in the short transverse, the top of any battery is correspondingly arranged on described accommodation section.
Preferably, be arranged with bushing on the connector, in the short transverse, the bushing can respectively with the limit The raised and described spacing cooperation of lower box in position.
The technical solution that the application provides can reach following beneficial effect:
In battery pack provided herein, multiple batteries are supported on lower box, along the arrangement of its length direction Press strip is provided between at least two batteries, press strip and lower box can be detachably connected by connector, this causes in electricity In the short transverse of pond, press strip can coordinate with battery limiting;It is obvious, when needing to recycle or replacing battery, by connector from Split out in lower box, it is possible to directly replace or recycle battery, this can make battery recycling work more convenient.
It should be appreciated that the general description and following detailed description of the above are only exemplary, this can not be limited Application.
Brief description of the drawings
The structure diagram of press strip in the battery pack that Fig. 1 is provided by the embodiment of the present application;
Fig. 2 is the top view of Fig. 1;
The schematic diagram of the part-structure for the battery pack that Fig. 3 is provided by the embodiment of the present application.
Reference numeral:
1- batteries;
2- lower boxes;
21- connecting holes;
3- press strips;
31- limiting plates;
311- mounting holes;
312- receiving portions;
32- limit protrusions;
321- location holes;
322- cavitys;
4- connectors;
5- flexible buffering pieces;
6- bushings.
Attached drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the application Example, and be used to together with specification to explain the principle of the application.
Embodiment
The application is described in further detail below by specific embodiment and with reference to attached drawing.
As shown in figure 3, Fig. 3 only shows the part-structure of battery pack, the embodiment of the present application provides a kind of battery pack, the electricity The recovery operation of Chi Bao is more simple.The battery pack can include multiple batteries 1, lower box 2, press strip 3 and connector 4, wherein, Multiple batteries 1 are supported on lower box 2, and multiple batteries 1 can be arranged on lower box 2 successively along its length direction, certainly, Battery 1 can also arrange along other directions or along multiple directions;Press strip 3 can be arranged on the phase along mentioned length directional spreding Between adjacent two batteries 1;Press strip 3 and lower box 2 can be detachably connected by connector 4, this can make press strip 3 and battery 1 Coordinate in the short transverse upper limit of battery 1.It should be noted that the length direction of battery 1 can be the direction shown in Fig. 3 X, the short transverse of battery 1 can be the direction Y shown in Fig. 1, and the thickness direction of battery 1 does not show that in figure, this area Technical staff can be pair it should be understood that the position of the thickness direction of battery 1, the i.e. thickness direction of battery 1 be length side with battery 1 To the direction vertical with short transverse, in consideration of it, above three direction is no longer further explained below.
Wherein, the size of multiple batteries 1 can be equal, this is conducive to improve the space availability ratio inside battery pack, into And the energy density of battery pack entirety can be improved;Lower box 2 can be metal material made of by way of extrusion molding Frame structure, lower box 2 have accommodating chamber, and multiple batteries 1 can be according to certain regular array in lower box 2;Certainly, nowel Body 2 can also be made of other hard materials;Press strip 3 can be sheet metal, or metal material passes through extrusion molding Mode formed;Connector 4 can be threaded connector, or bayonet connection etc.;Can be by lower box 2 and pressure The one or more holes of processing are bored on bar 3 respectively so that press strip 3 can be connected by connector 4 by foregoing pore structure with lower box 2 Come;Wherein, the hole on lower box 2 can be connecting hole 21, and the hole on press strip 3 can be location hole 321, connector 4 can sequentially pass through location hole 321 and connecting hole 21, and press strip 3 can also be connected to lower box 2 by structural members such as nuts On, so that press strip 3 can be in the short transverse of battery 1, by the spacing a certain setting area between press strip 3 and lower box 2 of battery 1 In domain, this can ensure that each battery 1 works normally, without occurring a wide range of play on aforementioned height direction because of battery 1, Influence the trouble free service of whole battery pack.
It is above-mentioned to understand, in battery pack provided herein, fixed between battery 1 and lower box 2 not by structure glue Connection, but press strip 3 is detachably connected with lower box 2 by connector 4, while can also realize in the lump in the height of battery 1 The purpose spacing to battery 1 on direction, thus, the recovery operation of battery pack provided herein is relatively easy.
Further, as depicted in figs. 1 and 2, press strip 3 can include limiting plate 31 and limit protrusion 32,31 He of limiting plate Limit protrusion 32 connects, and location hole 321 can be arranged on limit protrusion 32.In the short transverse of battery 1, limiting plate 31 Can be with 1 spacing cooperation of battery;On the length direction of battery 1, limit protrusion 32 can be with 1 spacing cooperation of battery.
Specifically, limiting plate 31 and limit protrusion 32 can be integrally formed, as the two can be by metal material by squeezing Go out molding mode to be formed, limit protrusion 32 can be arranged on the side of limiting plate 31;It is spacing on the length direction of battery 1 Protrusion 32 can be arranged on the intermediate region of limiting plate 31, and the size of limiting plate 31 can be more than the size of limit protrusion 32, This make it that in the short transverse of battery 1 limiting plate 31 can stretch in the both sides of limit protrusion 32 outside, it is clear that, limiting plate 31 Outer this two-part structure for stretching in limit protrusion 32 can coordinate with battery 1 in aforementioned height direction upper limit;It is correspondingly, spacing Protrusion 32 can be in battery 1 length direction and adjacent 1 spacing cooperation of battery.By setting limit protrusion 32 so that press strip 3 Not only can be in the height direction with 1 spacing cooperation of battery, can also be on the length direction of battery 1 to 3 adjacent both sides of press strip Battery 1 carry out it is spacing.
Further, in order to reduce the installation difficulty between connector 4 and press strip 3 and lower box 2, gone back on limit protrusion 32 Cavity 322 can be provided with, and mounting hole 311 can also be set on limiting plate 31, in the short transverse of battery 1, mounting hole 311st, cavity 322 and location hole 321 are sequentially communicated, this allows staff directly to wear connector 4 by mounting hole 311 Enter into press strip 3 and lower box 2;Connector 4 can be threaded connector, and threaded connector can include screw rod and head, head Portion can be arranged in cavity 322, this can reduce size of the battery pack on aforementioned height direction, and then can be reduced whole Space shared by battery pack.
Specifically, cavity 322 can process on limit protrusion 32 by way of boring and processing, cavity 322 can be with Reduce the weight of whole press strip 3, this is conducive to battery pack and develops to lightweight;Can be by way of Milling Process, spacing Mounting hole 311 is processed on plate 31, and the size of mounting hole 311 can be more than the size of threaded connector, so as to be threadedly coupled Part can coordinate to pass through mounting hole 311 and location hole 321 in aforementioned height direction upper limit, by by the head of threaded connector It is arranged in cavity 322, the location hole 321 of threaded connector and limit protrusion 32 can be made to match somebody with somebody in aforementioned height direction upper limit Close.
More specifically, cavity 322 can run through whole limit protrusion 32, the pressure of such a structure along the thickness direction of battery 1 The weight smaller of bar 3, and then the weight smaller of whole battery pack can be made;Directly formed by way of extrusion molding before having State the press strip 3 of cavity 322;Certainly, the two-part structure of press strip 3, limiting plate 31 and limit protrusion 32 can also split shaping, then It is connected as one by modes such as welding.
Due to the factor such as machining accuracy and inevitable error, between different batteries may there are dimensional tolerance, Thus, in order to eliminate the tolerance between battery, so that pretightning force of the battery suffered by oneself height direction can basic phase Deng optionally, battery pack provided herein can also include flexible buffering piece 5, between limiting plate 31 and battery 1 and limit Flexible buffering piece 5 is provided with least one between position protrusion 32 and battery 1.
Specifically, flexible buffering piece 5 can be lamellar structure made of foam and elastomeric material etc., by spacing Flexible buffering piece 5 is laid between plate 31 and battery 1, tolerance of the different batteries 1 on aforementioned height direction can be substantially eliminated, into And making press strip 3 essentially identical to the pretightning force for being distributed in the battery 1 of its both sides, this can improve the stability of whole battery pack. Likewise, setting flexible buffering piece 5 between limit protrusion 32 and battery 1, make the multiple batteries 1 arranged along its length direction It can be acted on by the elastic buffer of flexible buffering piece 5, to eliminate tolerance of multiple batteries 1 on its length direction;It is meanwhile soft Property bolster 5 can also play a protective role battery 1.
Further, receiving portion 312 can also be set on limiting plate 31, and receiving portion 312 can accommodate flexible buffering piece 5 At least partially.
Specifically, the structure or shape of receiving portion 312 can be hole shape, if receiving portion 312 can be blind hole or through hole shape Structure, or groove-like structure, the receiving portion 312 of groove-like structure can be from the side side openings of limiting plate 31, and to limit The internal stretch of position plate 31;Obvious, the receiving portion 312 of foregoing several structures can pass through a variety of feasible processing method shapes Into no longer specific narration herein.In the assembling process of battery pack, press strip 3 and lower box 2 are connected as one by connector 4 Body, with the gradual locking between press strip 3 and lower box 2, under the action of extruding force, the part of flexible buffering piece 5 can be with It is extruded in receiving portion 312, due to dimensional tolerance existing between battery 1,3 both sides of press strip that receiving portion 312 is accommodated The amount of flexible buffering piece 5 may be different, this can be of substantially equal with the pretightning force suffered by the battery 1 of 3 both sides of press strip.
Preferably, along the thickness direction of battery 1, multiple receiving portions can be provided with two sides of limiting plate 31 312, this can make flexible buffering piece 5 after being compressed, can more uniformly be housed inside in each receiving portion 312.
Optionally, in multiple batteries 1, at least two batteries 1 can arrange along its thickness direction, and two neighboring battery Predetermined interval can be provided between 1, in the short transverse of battery 1, the top at predetermined interval can be correspondingly arranged on appearance Receive portion 312.
Specifically, the structures such as insulating layer can be provided with along between multiple batteries 1 of its thickness direction arrangement, and in electricity In the assembling process in pond 1, the gap of certain size can be generally reserved between each battery 1;Simultaneously as set on limiting plate 31 Receiving portion 312 is equipped with, this will certainly cause the structural strength of 312 peripheral region of receiving portion on limiting plate 31 to reduce, by that will hold Receiving portion 312 is arranged on the top of prepsetting gap so that the relatively large part of structural strength and multiple batteries 1 on limiting plate 31 It is in contact, to ensure that limiting plate 31 can apply battery 1 enough position-limiting action power.
Optionally, in the short transverse of battery 1, multiple receiving portions 312 can be correspondingly arranged in the upper of multiple batteries 1 Side.
Specifically, receiving portion 312 is arranged on to the top of battery 1 so that flexible buffering piece 5 is in the process being gradually extruded In, it can directly be housed inside in the receiving portion 312 above battery 1, appearance can be just flow to without mobile relatively long distance Receive at the position at the place of portion 312, it is more uniform that this can be distributed flexible buffering piece 5.
Preferably, battery pack provided herein can also include bushing 6, and bushing 6 can be set on connector 4, In the short transverse of battery 1, the both ends of bushing 6 can respectively with the 2 spacing cooperation of limit protrusion 32 and lower box.
Specifically, bushing 6 can be tubular structure made of rigid material, connector 4 can be arranged in bushing 6, this Field technology personnel can determine the length of bushing 6, bushing 6 according to the height of battery 1, and the size of press strip 3 and connector 4 Length refer to size of the bushing 6 in 1 short transverse of battery;By setting bushing 6, connector 4 can be made to be tightened onto one When determining degree, it can be coordinated between press strip 3 and lower box 2 by short transverse upper limit of the bushing 6 in battery 1, this to connect Fitting 4 will not be screwed unrestrictedly, to protect battery 1 not destroyed because of connector 4 by excessive screwing.
The foregoing is merely the preferred embodiment of the application, the application is not limited to, for the skill of this area For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.

Claims (10)

  1. A kind of 1. battery pack, it is characterised in that including:
    Multiple batteries;
    Lower box, the lower box have connecting hole;
    Press strip, the press strip have location hole;
    Connector,
    Wherein:
    Multiple batteries are both supported upon on the lower box, and at least two batteries are arranged along its length direction;
    On the length direction, the press strip is arranged between two batteries of arbitrary neighborhood;
    By the connector through the connecting hole and the location hole, the lower box and the press strip detachably connect Connect, so that the press strip and the battery coordinate in the short transverse upper limit of the battery.
  2. 2. battery pack according to claim 1, it is characterised in that the press strip includes limiting plate and limit protrusion, described Limiting plate is connected with the limit protrusion, and the location hole is arranged on the limit protrusion;
    In the short transverse, the limiting plate coordinates with the battery limiting;
    On the length direction, the limit protrusion coordinates with the battery limiting.
  3. 3. battery pack according to claim 2, it is characterised in that the limit protrusion also has cavity, the limiting plate With mounting hole;
    In the short transverse, the mounting hole, the cavity and the location hole are sequentially communicated;
    The connector is threaded connector, and the threaded connector includes screw rod and head, and the head is arranged on the sky Intracavitary.
  4. 4. battery pack according to claim 3, it is characterised in that on the thickness direction of the battery, the cavity passes through Wear the limit protrusion.
  5. 5. battery pack according to claim 2, it is characterised in that further include flexible buffering piece, the limiting plate with it is described Between battery, and/or the flexible buffering piece is provided between the limit protrusion and the battery.
  6. 6. battery pack according to claim 5, it is characterised in that receiving portion, the appearance are additionally provided with the limiting plate The portion of receiving can accommodate at least a portion of the flexible buffering piece.
  7. 7. battery pack according to claim 6, it is characterised in that on the thickness direction of the battery, the limiting plate Two sides on be both provided with multiple receiving portions.
  8. 8. battery pack according to claim 7, it is characterised in that in multiple batteries, at least two battery edges Its thickness direction is arranged, and is provided with predetermined interval between the two neighboring battery;
    In the short transverse, described accommodation section is correspondingly arranged on above the predetermined interval.
  9. 9. battery pack according to claim 7, it is characterised in that in the short transverse, arbitrarily the battery is upper Fang Jun is correspondingly arranged on described accommodation section.
  10. 10. battery pack according to claim 2, it is characterised in that bushing is arranged with the connector, in the height On direction, the bushing can respectively with the limit protrusion and the spacing cooperation of the lower box.
CN201721277158.9U 2017-09-29 2017-09-29 Battery pack Active CN207338477U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721277158.9U CN207338477U (en) 2017-09-29 2017-09-29 Battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721277158.9U CN207338477U (en) 2017-09-29 2017-09-29 Battery pack

Publications (1)

Publication Number Publication Date
CN207338477U true CN207338477U (en) 2018-05-08

Family

ID=62367853

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721277158.9U Active CN207338477U (en) 2017-09-29 2017-09-29 Battery pack

Country Status (1)

Country Link
CN (1) CN207338477U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109728221A (en) * 2018-12-29 2019-05-07 蜂巢能源科技有限公司 The fixation device and battery pack of battery core in battery pack

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109728221A (en) * 2018-12-29 2019-05-07 蜂巢能源科技有限公司 The fixation device and battery pack of battery core in battery pack

Similar Documents

Publication Publication Date Title
CN102601424B (en) A kind of drilling pin roll moulds of industrial equipment
CN207338477U (en) Battery pack
CN103374979A (en) Aluminum plate thermal insulation structure for exterior wall
US20130236245A1 (en) Frame assembly base for frame structures
CN219705068U (en) Special maintenance frock of aeroengine radome fairing
CN112599915B (en) Box structure under square battery
CN209813104U (en) Cambered surface angle filling jig for profiling PAD
CN104759542A (en) Age-forming device for parts of constant-temperature box
CN102606990A (en) Back frame of backlight module and liquid crystal display device
CN102179671B (en) Making method of large-scale cavity foaming part molding die and die structure thereof
CN203330163U (en) Porous-type aluminium profile extrusion die
CN205828485U (en) Stacking battery box with heat sinking function
CN107195831A (en) A kind of Hard-shell power battery module and preparation method thereof
CN207282552U (en) A kind of Hard-shell power battery module
CN206936147U (en) One kind connects knife bender
CN220324614U (en) Battery box bottom plate
CN205900729U (en) Modified pin -connected panel battery utmost point crowd shaping tool
CN210758755U (en) Universal coupling device for BOPP casting die head
CN214562913U (en) Corrugated shell plate for large shell winding core mold
CN210190105U (en) Novel EMAS unit body casting mold
CN212030891U (en) Blowing test device for arc-shaped workpiece
CN220324615U (en) Battery box bottom plate structure
CN216157136U (en) Upper and lower position altitude mixture control formula aluminum mould board
CN215434748U (en) Portable top plate dismounting oil cylinder
CN213152262U (en) Voice relay gateway equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant