CN207558864U - Power battery pack - Google Patents
Power battery pack Download PDFInfo
- Publication number
- CN207558864U CN207558864U CN201721567494.7U CN201721567494U CN207558864U CN 207558864 U CN207558864 U CN 207558864U CN 201721567494 U CN201721567494 U CN 201721567494U CN 207558864 U CN207558864 U CN 207558864U
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- Prior art keywords
- battery modules
- annular hollow
- hollow frame
- surface side
- face
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 56
- 239000004411 aluminium Substances 0.000 claims abstract description 56
- 238000003475 lamination Methods 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims description 39
- 238000005452 bending Methods 0.000 claims description 10
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- SOXUFMZTHZXOGC-UHFFFAOYSA-N [Li].[Mn].[Co].[Ni] Chemical compound [Li].[Mn].[Co].[Ni] SOXUFMZTHZXOGC-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model belongs to battery structure technical field more particularly to a kind of power battery pack, including several battery modules units, anode aluminium row, cathode aluminium row, head cover, bottom cover, protecgulum, rear cover and fastener；Each battery modules unit is interlocked according to horizontal direction arrangement lamination setting, two adjacent battery modules units, and protecgulum and rear cover are fastened on outermost two battery modules unit respectively, and protecgulum, rear cover and each battery modules unit are connected as an entirety by fastener；The top and bottom end of each battery modules unit are respectively equipped with anode ear and negative electrode lug, anode aluminium is arranged and cathode aluminium row is individually fixed in the top and bottom of each battery modules unit and is conductively connected respectively in each anode ear and each negative electrode lug, and head cover and bottom cover at the top and bottom of each battery module unit respectively with being interlocked.The power battery pack of the utility model, disclosure satisfy that the different electricity of user and the demand of battery size, and assembling process is simple, it is easy to accomplish automated production.
Description
Technical field
The utility model belongs to battery structure technical field more particularly to a kind of power battery pack.
Background technology
In recent years, with the needs of the development such as some electric tools, electric vehicle, digital product, power core-electricity
Pond just receives more and more attention.And ternary lithium battery with its high-energy density, long circulation life, low temperature performance well, without note
Recall effect and it is environmentally protective the advantages that receive favor, be one of the hot spot of power battery research.Ter-polymers lithium battery refers to
Positive electrode uses the lithium battery of lithium nickel-cobalt-manganese ternary positive electrode material.
Power battery is applied on electric vehicle, to pass through assembling, debugging etc., that is, battery PACK systems.Battery PACK
System is to be connected numerous single battery cores by series-parallel mode using mechanical structure, and consider system mechanics intensity,
Battery core is formed the process of a battery pack by the problems such as heat management, BMS matchings.Application of the lithium battery on electric vehicle, PACK systems
System is a crucial step, and in PACK systems, the assembling of battery is a key factor again.Currently on the market, power battery
Specification and capacity it is single.The different of the applicable cases of user require electricity consumption also difference, then required battery
The size and battery capacity of packet are also to differ, and single to can not meet user diversified for existing power battery size and capacity
Demand.
Utility model content
The purpose of this utility model is to provide a kind of power battery packs, it is intended to solve power battery of the prior art
The technical issues of specification and single capacity.
To achieve the above object, the technical solution adopted in the utility model is：A kind of power battery pack, if including dry cell
Module group unit, anode aluminium row, cathode aluminium row, head cover, bottom cover, protecgulum, rear cover and fastener；Each battery modules unit is according to water
Square to arrangement lamination setting, the adjacent two battery modules units are interlocked connection, and the protecgulum and the rear cover are distinguished
The outermost two battery modules units are fastened on, the fastener is arranged in the protecgulum, the rear cover and each electricity
Pond module group unit is so that the protecgulum, the rear cover and each battery modules unit are connected as an entirety；Each electricity
The top and bottom end of pond module group unit are respectively equipped with anode ear and negative electrode lug, and the anode aluminium row is fixed on each battery modules
The top of unit is simultaneously conductively connected each anode ear, and the cathode aluminium row is fixed on the bottom of each battery modules unit simultaneously
Each negative electrode lug is conductively connected, is interlocked at the top of the head cover and each battery modules unit, the bottom cover and each institute
The bottom for stating battery modules unit is interlocked.
Further, each battery modules unit includes cooling fin, annular hollow frame and battery core；The annular hollow
Frame includes the front-surface side that is oppositely arranged and back-surface side and positioned at the front-surface side and the hollow cavity of the back-surface side,
Position limiting structure is equipped between the front-surface side of the heat sink and the annular hollow frame, and the heat sink passes through the limiting
Structure is fixedly connected with the front-surface side of the annular hollow frame, and the battery core is located at the back-surface side of the annular hollow frame simultaneously
In the hollow cavity, the anode ear and the negative electrode lug stretch out the annular hollow outer frame and fit in the annular
The back-surface side of middle empty frames.
Further, the position limiting structure includes limited post and limit hole, and the limited post is arranged on the annular hollow
The front-surface side of frame and the periphery for being located at the hollow cavity, the limit hole are arranged on the cooling fin and the limited post pair
The position answered, the limited post are connected such that the cooling fin is fixed with the annular hollow frame with the limit hole and connect
It connects；Or the limit hole is arranged on the front-surface side of the annular hollow frame and positioned at the periphery of the hollow cavity, the limit
Position column is arranged on position corresponding with the limited post on the cooling fin, the limited post be connected with the limited block so that
It obtains the annular hollow frame to be fixedly connected, the protecgulum and the rear cover are equipped with first in the corresponding position of the limited post and avoid
Hole.
Further, the back-surface side of the annular hollow frame is located at the peripheral region of the hollow cavity equipped with for surrounding
The periphery wall portion of battery core is stated, the top of the periphery wall portion is offered in the anode ear corresponding position avoids the anode ear
Positive to avoid notch so that the anode ear stretches out the annular hollow outer frame, the bottom of the periphery wall portion is in the negative electrode lug
Corresponding position offers the negative avoidance notch for avoiding the negative electrode lug so that the negative electrode lug stretches out the annular hollow outer frame.
Further, the top end face of the annular hollow frame is close to the position of its opposite end and the annular hollow frame
Bottom face is convexly equipped with connection bump close to the position of its opposite end, and the connection bump is divided into connection bump and lower company
Connect protrusion, the front-surface side of the annular hollow frame is located at the top of the hollow cavity and the bottom of the hollow cavity be all provided with it is oriented
The mounting boss extended on the outside of the annular hollow chamber, the upper connection bump on the annular hollow frame that each lamination is set, which is enclosed, to be set
Holding tank in formation, the anode aluminium row are placed in the upper holding tank；The bottom face of the annular hollow frame is close to its phase
Lower connection bump is convexly equipped with to the position at both ends, the cathode aluminium row is placed in the lower holding tank, and the upper connection is convex
Front end face of the front end face and the front end face of the lower connection bump risen respectively with the mounting boss flushes, and the upper connection is convex
Outer end face of the rear end face and the rear end face of the lower connection bump risen respectively with the periphery wall portion flushes.
Further, the front end face of the connection bump is equipped with limit protrusion, and the rear end face of the connection bump is in institute
The corresponding position for stating limit protrusion is equipped with the rear end face of limiting groove or the connection bump equipped with limit protrusion, institute
The front end face for stating connection bump is equipped with limiting groove on the corresponding position of the limit protrusion；The protecgulum and/or it is described after
Lid is equipped with the second avoid holes with the limit protrusion corresponding position.
Further, the mounting boss at the top of the hollow cavity and the mounting boss of the bottom of the hollow cavity enclose and set shape
Into for accommodating the holding tank of the cooling fin, the front-surface side of the front end face of the mounting boss and the annular hollow frame it
Between distance be more than the cooling fin thickness.
Further, the opposite end of the cooling fin is bent to form bending part towards the same side, the bending part with
The side of the annular hollow frame abuts against so that the cooling fin is fastened and connected in the annular hollow frame.
Further, the anode aluminium is arranged equipped with the quantity anode identical and arranged side by side with the quantity of the anode ear
Ear slot, each anode ear is located in the corresponding anode ear slot, and the anode ear slot is led with corresponding each anode ear
Electrical connection；
The cathode aluminium is arranged equipped with the quantity cathode ear slot identical and arranged side by side with the quantity of the negative electrode lug, each institute
Negative electrode lug is stated to be located in corresponding each cathode ear slot, and the cathode ear slot is conductively connected with corresponding each negative electrode lug.
Further, the fastener includes screw rod and nut, is all provided at the top and bottom of each battery modules unit
There is the first fastener hole, the protecgulum and the rear cover, which are equipped with first fastening hole site are corresponding, offers the second fastening
Hole, the screw rod wear second fastener hole and first fastener hole and are connect with the nut, so that the protecgulum,
Each battery modules unit that the rear cover and lamination are placed is fixed as an entirety.
The beneficial effects of the utility model：The power battery pack of the utility model, according to the battery of the actual demand of user
Capacity goes selection battery modules element number, and the battery modules unit of needs is set, and adjacent according to horizontal direction arrangement lamination
Two battery modules units mutually fasten and fit together, protecgulum and rear cover are secondly fastened on outermost battery modules unit
On, then with fastener by each battery modules unit, protecgulum and rear cover assemble an entirety, then at the top of battery modules unit
It places anode aluminium row and cathode aluminium row respectively with bottom, is arranged by anode aluminium and the anode ear of each battery modules unit is connected in parallel on one
It rises, the anode as power battery pack, is arranged by cathode aluminium and the negative electrode lug of each battery modules unit is connected in parallel, use start
The cathode of power battery pack, finally by head cover and bottom cover clasp together in the top and bottom of each battery modules unit, this is just used
The required power battery pack in family.The utility model power battery pack disclosure satisfy that the different electricity and battery size of user
Demand, assembling process are simple, it is easy to accomplish automated production reduces the assembly cost of power battery pack.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing is briefly described needed in description, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of power battery pack that the utility model embodiment provides.
Fig. 2 is the explosive view of power battery pack that the utility model embodiment provides.
Fig. 3 is the structure diagram of battery cell modules that the utility model embodiment provides.
Fig. 4 is the explosive view of battery cell modules that the utility model embodiment provides.
Fig. 5 is the structure diagram of annular hollow frame that the utility model embodiment provides.
Wherein, each reference numeral in figure：
10-battery modules unit 11-cooling fin, 111-limit hole
112-bending part, 12-annular hollow, 121-front-surface side of frame
122-back-surface side, 123-hollow cavity, 124-limited post
125-periphery wall portion 1251-the positive notch 1252 that avoids-is born and avoids notch
126-connection bump 1261-upper holding tank 1262-lower holding tank
1263-limit protrusion, 1264-limiting groove, 1265-top groove
1266-bottom groove, 1267-first fixed structure, 1268-holding tank
127-mounting boss, 129-heat emission hole of the 128-the first fastener hole
13-battery core, 131-anode ear, 132-negative electrode lug
20-anode aluminium arranges 21-anode the 22-the first mounting hole of ear slot
30-cathode aluminium arranges 31-cathode the 32-the second mounting hole of ear slot
40-head cover, 41-top cover portion 42-top outside portion
43-top holding section 50-bottom cover, 51-base lid portion
52-bottom outside portion, 53-bottom holding section, 60-protecgulum
61-the first avoid holes the 63-the second avoid holes of the 62-the second fastener hole
70-rear cover, 80-fastener, 81-screw rod
82-nut
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining the description of attached drawing 1~5 is exemplary, it is intended to for explaining the utility model, and it is not intended that this practicality
Novel limitation.
In the description of the present invention, it is to be appreciated that term " length ", " width ", " on ", " under ", " preceding ",
The orientation or position relationship of the instructions such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are based on attached
Orientation or position relationship shown in figure are for only for ease of description the utility model and simplify description rather than instruction or imply
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that this
The limitation of utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature." multiple " are meant that two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be
Mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
As shown in Fig. 1~5, the utility model embodiment provides a kind of power battery pack, including several battery modules lists
Member 10, anode aluminium row 20, cathode aluminium row 30, head cover 40, bottom cover 50, protecgulum 60, rear cover 70 and fastener 80；Each battery
Module group unit 10 is according to horizontal direction arrangement lamination setting, and the adjacent two battery modules units 10 are interlocked connection, before described
Lid 60 and the rear cover 70 are fastened on the outermost two battery modules units 10 respectively, and the fastener 80 is arranged in described
Protecgulum 60, the rear cover 70 and each battery modules unit 10 are so that the protecgulum 60, the rear cover 70 and each electricity
Pond module group unit 10 is connected as an entirety；The top and bottom end of each battery modules unit 10 are respectively equipped with anode ear 131
With negative electrode lug 132, anode aluminium row 20 be fixed on the top of each battery modules unit 10 and be conductively connected it is each it is described just
Lug 131, the cathode aluminium row 30 are fixed on the bottom of each battery modules unit 10 and are conductively connected each negative electrode lug
132, the top of the head cover 40 and each battery modules unit 10 is interlocked, the bottom cover 50 and each battery modules list
The bottom of member 10 is interlocked.Specifically, the power battery pack in the utility model embodiment, according to the electricity of the actual demand of user
Tankage goes 10 quantity of selection battery modules unit, and the battery modules unit 10 of needs is set according to horizontal direction arrangement lamination,
And two adjacent battery modules units 10 are mutually fastened and are fitted together, and are secondly fastened on protecgulum 60 and rear cover 70 outermost
On battery modules unit 10, then with fastener 80 each battery modules unit 10, protecgulum 60 and rear cover 70 are assembled into an entirety,
Then anode aluminium row 20 and cathode aluminium row 30 are placed respectively in the top and bottom of battery modules unit 10, is arranged by anode aluminium
20 are connected in parallel the anode ear 131 of each battery modules unit 10, the anode as power battery pack, and 30 are arranged by cathode aluminium
The negative electrode lug 132 of each battery modules unit 10 is connected in parallel, the cathode as power battery pack, finally by 40 He of head cover
Bottom cover 50 is fastened on the top and bottom of each battery modules unit 10, this has just obtained the required power battery pack of user.This
Utility model power battery pack disclosure satisfy that the different electricity of user and the demand of battery size, and assembling process is simple, be easy to real
Existing automated production reduces the assembly cost of battery size.
Further, refering to shown in 1 and Fig. 2, head cover 40 includes top cover portion 41, top outside portion 42 and top holding section 43, top
Outside portion 42 is in top cover portion 41 close to the extension of the end of 10 side of battery modules unit and, top holding section 43 vertical with top cover portion 41
Extend, and the side of each battery modules unit 10 corresponds on the medial surface of top outside portion 42 and to the inside of top outside portion 42
The position of top holding section 43 offers the top groove 1265 fastened with top holding section 43；Bottom cover 50 includes base lid portion 51, outside bottom
Side 52 and bottom holding section 53, bottom outside portion 52 in base lid portion 51 close to the end of 10 side of battery modules unit extend and with top
Cap 41 is vertical, and bottom holding section 53 is located on the medial surface of bottom outside portion 52 and extends, and each electricity to the inside of bottom outside portion 52
The position that the side of pond module group unit 10 corresponds to bottom holding section 53 offers the bottom groove 1266 fastened with bottom holding section 53.
Top outside portion 42 is abutted against with the side at the top of each battery modules unit 10 that lamination is set, and is pushed up holding section 43 and be clamped into folded
In the top groove 1265 of the side of a battery modules unit 10 of layer setting, which can be relatively reliable stable by top
Lid 40 is fixed on each battery modules unit 10 of lamination setting, and the anode ear 131 of power battery pack and anode aluminium are arranged 20 envelopes
Inside power battery.Bottom outside portion 52 is abutted against with the side of the bottom of each battery modules unit 10 that lamination is set, and
Bottom holding section 53 is clamped in the bottom groove 1266 of the side of a battery modules unit 10 of lamination setting, the snap fit
Can relatively reliable stabilization bottom cover 50 is fixed on each battery modules unit 10 of lamination setting, by the negative of power battery pack
Lug 132 and cathode aluminium row 30 are packaged in inside power battery.
Further, refering to shown in 1, Fig. 2 and Fig. 3, anode aluminium row 20 is equipped with the first mounting hole 22, each battery modules unit
10 top offers first fixed structure 1267 on 22 corresponding position of the first mounting hole；Cathode aluminium row 30 is equipped with second
Mounting hole 32, the bottom of each battery modules unit 10 offer the second fixed structure on 32 corresponding position of the second mounting hole
(not shown).
Wherein, first fixed structure 1267 is is opened in each battery modules unit 10 on 22 corresponding position of the first mounting hole
The first threaded hole, the first mounting hole 22 is arranged in by the first screw and then is connected again with the first threaded hole, by anode aluminium
Row 20 is fixed on each battery modules unit 10.Preferably ensure entire power battery pack generate in use vibration when
It waits, is unlikely to anode aluminium row 20 and displacement is generated in power battery pack, lead to the contact with anode aluminium row 20 of anode ear 131 not
It is good, so as to influence the stability of the offer electric energy of power battery pack.
Wherein, the second fixed structure is be opened in each battery modules unit 10 on 32 corresponding position of the second mounting hole
Two threaded holes are arranged in the second mounting hole 32 by the second screw and then are connected again with the second threaded hole, cathode aluminium is arranged 30
It is fixed on each battery modules unit 10.When preferably ensureing that entire power battery pack generates vibration in use,
It is unlikely to cathode aluminium row 30 and displacement is generated in power battery pack, negative electrode lug 132 is caused to arrange 30 loose contact with cathode aluminium, from
And influence the stability of the offer electric energy of power battery pack.
In this example, refering to shown in 3, Fig. 4 and Fig. 5, each battery modules unit 10 is included in cooling fin 11, annular
Empty frames 12 and battery core 13；The annular hollow frame 12 includes the front-surface side 121 being oppositely arranged and back-surface side 121 and position
In the front-surface side 121 and the hollow cavity 123 of the back-surface side 121, the cooling fin 11 and the annular hollow frame 12
Front-surface side 121 between be equipped with position limiting structure, and the cooling fin 11 passes through the position limiting structure and the annular hollow frame
12 front-surface side 121 is fixedly connected, and the battery core 13 is located at the back-surface side 121 of the annular hollow frame 12 and flush-mounted in institute
It states in hollow cavity 123, the anode ear 131 and the negative electrode lug 132 are stretched out outside the annular hollow frame 12 and fitted in described
The back-surface side 121 of annular hollow frame 12.Specifically, cooling fin 11 is fixed on the preceding table of annular hollow frame 12 by position limiting structure
Surface side 121, battery core 13 are inlaid into from the back-surface side 121 of annular hollow frame 12 in the hollow cavity 123 of annular hollow frame 12, heat dissipation
Piece 11 and battery core 13 are respectively arranged in the both sides of annular hollow chamber 123 so that the battery modules list in the utility model embodiment
The apparent size of member 10 is regular to be easy to assemble with next battery modules unit 10.Cooling fin 11 is fixed on ring by position limiting structure
In shape in empty frames 12, it can avoid falling the behaviour that need to be re-assemblied from annular hollow frame 12 in transit because of cooling fin 11
Make, the connection mode of position limiting structure is easily operated, can realize automated production, improves packaging efficiency.
In the present embodiment, refering to shown in 3, Fig. 4 and Fig. 5, the position limiting structure includes limited post 124 and limit hole 111, institute
It states limited post 124 and is arranged on the front-surface side 121 of the annular hollow frame 12 and positioned at the periphery of the hollow cavity 123, it is described
Limit hole 111 is arranged on the cooling fin 11 and the 124 corresponding position of limited post, the limited post 124 and the limit
Position hole 111 is connected such that the heat sink is fixedly connected with the annular hollow frame 12；Or the limit hole 111 is set
Front-surface side 121 in the annular hollow frame 12 and the periphery positioned at the hollow cavity 123, the limited post 124 are arranged on
It is connected such that on the cooling fin 11 with the 124 corresponding position of limited post, the limited post 124 with the limited block
The annular hollow frame 12 is fixedly connected, and the protecgulum 60 and the rear cover 70 are equipped in the 124 corresponding position of limited post
First avoid holes 61.Specifically, the consolidating using limited post 124 and limit hole 111 between cooling fin 11 and annular hollow frame 12
Determine mode so that cooling fin 11 can be reliable and stable is fixed on annular hollow frame 12, and battery modules unit 10 is avoided to fill
With in the process, cooling fin 11 is easy to be detached from the situation of annular hollow frame 12, and the apparent size of battery modules unit 10 is irregular,
The assembly method of 111 structure of limited post 124 and limit hole is simple, it is easy to accomplish automation, and can ensure battery modules list
The apparent size of member 10 is uniform.
In the present embodiment, refering to shown in Fig. 3, Fig. 4 and Fig. 5, the back-surface side 121 of the annular hollow frame 12 is located at institute
The peripheral region of hollow cavity 123 is stated equipped with the periphery wall portion 125 for surrounding the battery core 13, the top of the periphery wall portion 125
The positive notch 1251 that avoids for avoiding the anode ear 131 is offered so that the anode in 131 corresponding position of anode ear
Ear 131 is stretched out outside the annular hollow frame 12, and the bottom of the periphery wall portion 125 is opened up in 132 corresponding position of negative electrode lug
There is the negative avoidance notch 1252 for avoiding the negative electrode lug 132 so that the negative electrode lug 132 is stretched out outside the annular hollow frame 12.
Specifically, battery core 13 is fixed on 125 inside of periphery wall portion by the spacious frame outer peripheral wall portion 125 of annular hollow, limitation battery core 13
It is mobile.When power battery pack is vibrated, the relative position of battery core 13 and annular hollow frame 12 is consistent, and is reduced because of battery core 13
Various security risks caused by movement.Anode ear 131 and negative electrode lug 132 are stretched out outside annular hollow frame 12, are conducive to anode aluminium
Assembling and cathode aluminium row 30 and the assembling of negative electrode lug 132 of the row 20 with anode ear 131.
Preferably, refering to shown in Fig. 2 and Fig. 4, the periphery wall portion 125 is to the height of the normal direction along back-surface side 121
Degree is more than the normal direction along back-surface side 121 of the battery core 13.In previous battery modules unit 10 and the latter battery
Module group unit 10 assembling when, battery core 13 will not be exposed, but positioned at previous battery modules unit 10 periphery wall portion 125 with
In the assembly cavity that the mounting boss 127 of the latter battery modules unit 10 is formed, battery core 13 is avoided to be damaged due to external force acts on
It is bad.
In the present embodiment, refering to shown in Fig. 3, Fig. 4 and Fig. 5, the top end face of the annular hollow frame 12 close to its opposite two
The bottom face of the position at end and the annular hollow frame 12 is convexly equipped with connection bump 126, institute close to the position of its opposite end
It states connection bump 126 to divide for upper connection bump and lower connection bump, the front-surface side 121 of the annular hollow frame 12 is located at described
It is convex that the top of hollow cavity 123 and the bottom of the hollow cavity 123 are all provided with the assembling that oriented 123 outside of the annular hollow chamber extends
Platform 127, the upper connection bump on the annular hollow frame 12 that each lamination is set, which is enclosed, to be set to form holding tank 1261, the anode
Aluminium row 20 is placed in the upper holding tank 1261；Lower connection bump on the annular hollow frame 12 of each lamination setting, which is enclosed, to be set
Lower holding tank 1262 is formed, the cathode aluminium row 30 is placed in the lower holding tank 1262, the front end of the upper connection bump
Front end face of the front end face of face and the lower connection bump respectively with the mounting boss 127 flushes, the upper connection bump
The outer end face of rear end face and the rear end face of the lower connection bump respectively with the periphery wall portion 125 flushes.Specifically, anode
Aluminium row 20 is installed in holding tank 1261, and this mounting means is simple, by anode aluminium row 20 it is more stable and reliable be packaged in it is dynamic
The inside of power battery pack.Upper connection bump is more reliably by anode aluminium row 20 and the exterior insulation of power battery pack.Cathode aluminium is arranged
30 are installed in lower holding tank 1262, and this mounting means is simple, are packaged in power electric by cathode aluminium row 30 is more stable and reliable
The inside of Chi Bao.Lower connection bump is more reliably by anode aluminium row 20 and the exterior insulation of power battery pack.
In the present embodiment, refering to shown in Fig. 3, Fig. 4 and Fig. 5, the front end face of the connection bump 126 is equipped with limit protrusion
1263, the rear end face of the connection bump 126 be equipped on the corresponding position of the limit protrusion 1263 limiting groove 1264 or
The rear end face of connection bump 126 described in person is equipped with limit protrusion 1263, and the front end face of the connection bump 126 is in the limiting
The corresponding position of protrusion 1263 is equipped with limiting groove 1264, the protecgulum 60 and/or the rear cover 70 and the limit protrusion
1263 corresponding positions are equipped with the second avoid holes 63.Specifically, in previous battery modules unit 10 and next battery modules
When unit 10 is interlocked, positioned at the connection bump 126 of previous battery modules unit 10 front end face limiting groove 1264 with
The limit protrusion 1263 of the rear end face of the connection bump 126 of the latter battery modules unit 10 matches or previous battery mould
The connection bump of the limiting groove 1264 and the latter battery modules unit 10 of the rear end face of the connection bump 126 of group unit 10
The limit protrusion 1263 of 126 front end face matches, and more secured, two adjacent electricity are connected between two adjacent battery modules units 10
Assembling between pond module group unit 10 is more easy and reliable, while it is uniform to assemble the battery modules unit 10 come.
In the present embodiment, refering to shown in Fig. 3, Fig. 4 and Fig. 5, the mounting boss 127 at the top of the hollow cavity 123 and institute
The mounting boss 127 for stating the bottom of hollow cavity 123 encloses the holding tank 1268 for setting and being formed for accommodating the cooling fin 11, described
The distance between the front end face of mounting boss 127 and the front-surface side 121 of the annular hollow frame 12 are more than the cooling fin 11
Thickness.Specifically, when previous battery modules unit 10 and the latter battery modules unit 10 interlock mouthful, previous electricity
The periphery wall portion 125 of the back-surface side 121 of pond module group unit 10 and the dress of 10 front-surface side 121 of the latter battery modules unit
Front end face with boss 127 abuts against, and the thickness of cooling fin 11 is less than in the front end face and the annular of the mounting boss 127
Meeting on the side of the battery core 13 of the distance between front-surface side 121 of empty frames 12, cooling fin 11 and previous element module group unit
A heat dissipation gap is formed, battery core 13 and cooling fin 11 can directly be dissipated by gap of radiating to the outside of power battery pack
Heat increases the heat dissipation area of power battery pack, improves the heat dissipation performance of power battery pack.
Further, the top and bottom of annular hollow frame 12 are equipped with heat emission hole 129, to improve dissipating for power battery pack
Hot property.
In the present embodiment, refering to shown in Fig. 3, Fig. 4 and Fig. 5, the opposite end of the cooling fin 11 is towards same lateral bending
Folding forms bending part 112, and the side of the bending part 112 and the annular hollow frame 12 is abutted against so that the cooling fin is buckled
Conjunction is connected to the annular hollow frame.Specifically, cooling fin 11 is fastened on annular hollow frame 12 by bending part 112, tentatively will
Cooling fin 11 is aligned with 12 position limiting structure of annular hollow frame, and cooling fin 11 further also is firmly fixed at annular
In middle empty frames 12, while bending part 112 also corresponds to increase the heat dissipation area of cooling fin 11, improves the heat dissipation of cooling fin 11
Efficiency ensure that the heat dissipation performance of power battery pack.
In the present embodiment, refering to shown in Fig. 2, Fig. 4 and Fig. 5, the anode aluminium row 20 offers quantity and the anode ear
The identical and arranged side by side anode ear slot 21 of 131 quantity, each anode ear 131 are located at the corresponding anode ear slot 21
In, and the anode ear slot 21 is conductively connected with corresponding each anode ear 131；The cathode aluminium row 30 offers quantity and institute
The identical and arranged side by side cathode ear slot 31 of the quantity of negative electrode lug 132 is stated, each negative electrode lug 132 is located at corresponding each described negative
In lug slot 31, and the cathode ear slot 31 is conductively connected with corresponding each negative electrode lug 132.Specifically, using anode ear slot
The connection mode of 21 pairs of positive pole ears, realization that the side of anode ear slot 21 is in contact with the side of anode ear 131 are conductively connected,
The aspectant way of contact, it is solid and reliable；Anode ear slot 21 and the assembly method of anode ear 131 are simply easily achieved simultaneously.It adopts
With cathode ear slot 31 to the connection mode of negative lug, the side of cathode ear slot 31 is in contact reality with the side of negative electrode lug 132
It is now conductively connected, the aspectant way of contact is solid and reliable；Cathode ear slot 31 and the assembly method of negative electrode lug 132 are simple simultaneously
It is easily achieved.
In the present embodiment, refering to shown in Fig. 1 and Fig. 2, the fastener 80 includes screw rod 81 and nut 82, each battery
The top and bottom of module group unit 10 are equipped with the first fastener hole 128, and the protecgulum 60 and the rear cover 70 are equipped with described
One fastener hole, 128 position is corresponding to offer the second fastener hole 62, and the screw rod 81 wears second fastener hole 62 and described
First fastener hole 128 is simultaneously connect with the nut 82 so that the protecgulum 60, the rear cover 70 and lamination place it is each described
Battery modules unit 10 is fixed as an entirety.
Specifically, by screw rod 81 and nut 82, each battery modules unit 10 that protecgulum 60, rear cover 70 and lamination are set
An entirety is fixed as, when can better ensure that entire power battery pack vibrations, pine occurs for each component inside power battery pack
Various security risks that are dynamic, and generating.The fixed form operation of screw rod 81 and nut 82 is simple simultaneously, be easily achieved and safety can
It leans on.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of power battery pack, it is characterised in that：Including several battery modules units, anode aluminium row, cathode aluminium row, head cover,
Bottom cover, protecgulum, rear cover and fastener；Each battery modules unit is set according to horizontal direction arrangement lamination, described in adjacent two
Battery modules unit is interlocked connection, and the protecgulum and the rear cover are fastened on the outermost two battery modules lists respectively
Member, the fastener is arranged in the protecgulum, the rear cover and each battery modules unit so that the protecgulum, it is described after
Lid and each battery modules unit are connected as an entirety；The top and bottom end of each battery modules unit are respectively equipped with just
Lug and negative electrode lug, the anode aluminium row are fixed on the top of each battery modules unit and are conductively connected each anode
Ear, the cathode aluminium row are fixed on the bottom of each battery modules unit and are conductively connected each negative electrode lug, the head cover
With being interlocked at the top of each battery modules unit, the bottom of the bottom cover and each battery modules unit is interlocked.
2. power battery pack according to claim 1, it is characterised in that：Each battery modules unit includes heat dissipation
Piece, annular hollow frame and battery core；The annular hollow frame includes the front-surface side being oppositely arranged and back-surface side and positioned at institute
The hollow cavity of front-surface side and the back-surface side is stated, is equipped between the heat sink and the front-surface side of the annular hollow frame
Position limiting structure, and the heat sink is fixedly connected by the position limiting structure with the front-surface side of the annular hollow frame, it is described
Battery core is located at the back-surface side of the annular hollow frame and in the hollow cavity, and the anode ear and the negative electrode lug are stretched
Go out the annular hollow outer frame and fit in the back-surface side of the annular hollow frame.
3. power battery pack according to claim 2, it is characterised in that：The position limiting structure includes limited post and limiting
Hole, the limited post are arranged on the front-surface side of the annular hollow frame and positioned at the periphery of the hollow cavity, the limit holes
Position corresponding with the limited post on the cooling fin is arranged on, the limited post is connected such that institute with the limit hole
Cooling fin is stated to be fixedly connected with the annular hollow frame；Or the limit hole is arranged on the front-surface side of the annular hollow frame
And positioned at the periphery of the hollow cavity, the limited post is arranged on position corresponding with the limited post, institute on the cooling fin
It states limited post and is connected such that the annular hollow frame is fixedly connected with the limited block, the protecgulum and the rear cover are in institute
The corresponding position of limited post is stated equipped with the first avoid holes.
4. power battery pack according to claim 3, it is characterised in that：The back-surface side of the annular hollow frame is located at institute
The peripheral region of hollow cavity is stated equipped with the periphery wall portion for surrounding the battery core, the top of the periphery wall portion is in the anode ear
Corresponding position, which offers, to be avoided the positive of the anode ear and avoids notch so that the anode ear stretches out the annular hollow outer frame,
The bottom of the periphery wall portion the negative electrode lug corresponding position offer avoid the negative electrode lug negative avoidance notch so that
The negative electrode lug stretches out the annular hollow outer frame.
5. power battery pack according to claim 4, it is characterised in that：The top end face of the annular hollow frame is close to its phase
The bottom face of position and the annular hollow frame to both ends is convexly equipped with connection bump close to the position of its opposite end, described
Connection bump is divided into connection bump and lower connection bump, and the front-surface side of the annular hollow frame is located at the top of the hollow cavity
Portion and the bottom of the hollow cavity are all provided with the mounting boss extended on the outside of the oriented annular hollow chamber, and each lamination is set described
Upper connection bump on annular hollow frame, which is enclosed, to be set to form holding tank, and the anode aluminium row is placed in the upper holding tank；Respectively
Lower connection bump on the annular hollow frame of lamination setting, which is enclosed, to be set to form lower holding tank, and the cathode aluminium row is placed in described
In lower holding tank, the front end face of the front end face of the upper connection bump and the lower connection bump respectively with the mounting boss
Front end face flushes, the rear end face of the rear end face of the upper connection bump and the lower connection bump respectively with the periphery wall portion
Outer end face flushes.
6. power battery pack according to claim 5, it is characterised in that：The front end face of the connection bump is equipped with limiting
Protrusion, the rear end face of the connection bump are equipped with limiting groove or the connection on the corresponding position of the limit protrusion
The rear end face of protrusion is equipped with limit protrusion, and the front end face of the connection bump is equipped on the corresponding position of the limit protrusion
Limiting groove；The protecgulum and/or rear cover position corresponding with the limit protrusion are equipped with the second avoid holes.
7. power battery pack according to claim 5, it is characterised in that：The mounting boss at the top of the hollow cavity and institute
The mounting boss for stating the bottom of hollow cavity encloses the holding tank for setting and being formed for accommodating the cooling fin, the front end of the mounting boss
The distance between face and the front-surface side of the annular hollow frame are more than the thickness of the cooling fin.
8. power battery pack according to claim 2, it is characterised in that：The opposite end of the cooling fin is towards same
Side is bent to form bending part, and the side of the bending part and the annular hollow frame abuts against so that the cooling fin fastens connects
It is connected to the annular hollow frame.
9. according to claim 1~8 any one of them power battery pack, it is characterised in that：The anode aluminium is arranged equipped with number
The amount anode ear slot identical and arranged side by side with the quantity of the anode ear, each anode ear are located at the corresponding anode ear
In slot, and the anode ear slot is conductively connected with corresponding each anode ear；
The cathode aluminium is arranged equipped with the quantity cathode ear slot identical and arranged side by side with the quantity of the negative electrode lug, each described negative
Lug is located in corresponding each cathode ear slot, and the cathode ear slot is conductively connected with corresponding each negative electrode lug.
10. according to claim 1~8 any one of them power battery pack, it is characterised in that：The fastener include screw rod and
Nut is equipped with the first fastener hole at the top and bottom of each battery modules unit, and the protecgulum and the rear cover are equipped with
Hole site is corresponding offers the second fastener hole for first fastening, and the screw rod wears second fastener hole and described first
Fastener hole is simultaneously connect with the nut, so that each battery modules unit that the protecgulum, the rear cover and lamination are placed
It is fixed as an entirety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721567494.7U CN207558864U (en) | 2017-11-21 | 2017-11-21 | Power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721567494.7U CN207558864U (en) | 2017-11-21 | 2017-11-21 | Power battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207558864U true CN207558864U (en) | 2018-06-29 |
Family
ID=62679759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721567494.7U Active CN207558864U (en) | 2017-11-21 | 2017-11-21 | Power battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207558864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024197924A1 (en) * | 2023-03-31 | 2024-10-03 | 厦门新能达科技有限公司 | Battery module and electrical device |
-
2017
- 2017-11-21 CN CN201721567494.7U patent/CN207558864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024197924A1 (en) * | 2023-03-31 | 2024-10-03 | 厦门新能达科技有限公司 | Battery module and electrical device |
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