CN208706815U - A kind of battery pack applied in battery-operated motor cycle and electric bicycle - Google Patents
A kind of battery pack applied in battery-operated motor cycle and electric bicycle Download PDFInfo
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- CN208706815U CN208706815U CN201821395819.2U CN201821395819U CN208706815U CN 208706815 U CN208706815 U CN 208706815U CN 201821395819 U CN201821395819 U CN 201821395819U CN 208706815 U CN208706815 U CN 208706815U
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- battery
- battery core
- battery pack
- bottom plate
- lower bracket
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- 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
Abstract
The utility model discloses a kind of battery packs applied in battery-operated motor cycle and electric bicycle, it include: upper bracket, confluence module, lower bracket, radiating bottom plate and the battery core for being placed in the upper bracket upper surface, all anodes of the battery core stretch out the pocket of the upper bracket upward, all cathode of the battery core are placed in the battery core slot of the lower bracket downward, the lower bracket is solidified by injecting glue to be connect with the one side of the radiating bottom plate, and the another side of the radiating bottom plate is provided with wing.The battery pack of the utility model is easy to assembly, and radiating rate is fast, and radiating efficiency is high, battery core can be protected to avoid the generation of explosion issues, and production cost is low.
Description
Technical field
The utility model relates to battery technology fields more particularly to a kind of applied in battery-operated motor cycle and electric bicycle
Battery pack.
Background technique
Existing electric bicycle and electric motorcycle battery pack, the overwhelming majority do not have radiator, cause high-multiplying power discharge and
Temperature is excessively high when quick charge, and just 30% or more decaying after use in 2 years to 3 years, course continuation mileage substantially reduces, and there are also many
The case of the excessively high explosion on fire of temperature is big using security risk.
In addition, most of electric motorcycle and motor bicycle battery pack use in the direct placing battery packet of battery core spot welding on the market,
Not plus any thermally conductive and radiator, radiating efficiency is very slow, and battery capacity and life time decay are fast.And battery pack is using electricity
Core spot welding (battery core electric resistance welding) confluence technology, after there is external short circuit, nickel sheet fusing difficulty is big, directly damage battery core, leads to electricity
Chi Bao paralysis or explosion on fire.
In addition, most of electric motorcycle and motor bicycle battery pack inside are substantially without radiator, main pattern group on the market
It rejects heat in air, and by air transmitted to battery pack case, is radiated by shell and outside air, radiating rate is slow, effect
Rate is extremely low, seriously affects using effect.
Utility model content
In view of the deficiencies in the prior art or insufficient, the utility model provides a kind of applied to battery-operated motor cycle and electricity
Battery pack in dynamic bicycle, easy to assembly, radiating rate is fast, and radiating efficiency is high, can protect battery core, avoid the hair of explosion issues
It is raw, and production cost is low.
To achieve the goals above, the technical solution that the utility model is taken be provide it is a kind of be applied to battery-operated motor cycle and
Battery pack in electric bicycle, comprising: upper bracket, confluence module, lower bracket, the radiating bottom plate for being placed in the upper bracket upper surface
And battery core, the anode of the battery core stretch out the pocket of the upper bracket upward, the cathode of the battery core is placed in described downward
The battery core slot of lower bracket, the lower bracket is solidified by injecting glue to be connect with the one side of the radiating bottom plate, the radiating bottom plate
Another side is provided with wing.
The upper bracket includes upper bracket ontology as a further improvement of the utility model, and upper bracket ontology is divided into more
Column battery pack domain, adjacent two arrange the collecting tray that strip is provided between the battery pack domain；It is arranged in battery pack domain described in each column
There are multiple baffles, 1 pocket and 1 guidewire port are provided between the two neighboring baffle, the battery core is positive, cathode
Welding wire draws from the pocket and the guidewire port connect with the confluence module respectively.
The confluence module is made of flexible FPC and Duo Gen busbar connector as a further improvement of the utility model, described
Flexible FPC is provided with fuse with every reflux row's connection place.
1 voltage acquisition point is provided on the every busbar connector as a further improvement of the utility model, it is described
The connection of one end of voltage acquisition point and fuse, the other end of the fuse connect aluminium wire, and will be described by ultrasonic welding
Collection point is connect with the flexibility FPC.
The lower bracket includes lower bracket main body as a further improvement of the utility model, in the lower bracket main body
Multiple battery core slots are provided with, each battery core slot is corresponding with the position of pocket；The battery core trench bottom is provided with support
The washer of the battery core, the washer and the battery core slot and lower bracket main body are integrally formed, during the intermediate position of the washer is
The upper and lower surface of lower bracket main body is connected to by casement；Be provided with gas vent beside the battery core slot, the gas vent with it is described
The connection of battery core slot.
As a further improvement of the utility model, the radiating bottom plate be provided on one side positioning column and with the lower branch
Frame connection, the another side of the radiating bottom plate are equipped with multiple wings, the length of the wing and the long side of the radiating bottom plate
Length is identical.
The cross section of the wing can be square wave, sine wave or zigzag as a further improvement of the utility model,.
The beneficial effects of the utility model are:
1, in the utility model structure, when assembling in battery pack the anode of all battery cores upward, cathode downward, assembling side
Just, packaging efficiency is high, assembles at low cost.
2, heat-conducting glue is beaten at battery core bottom cathode end, and is directly contacted with radiating bottom plate, the wing face of radiating bottom plate and electricity
The windward side of motor-car combines, and the wind started by electric vehicle directly radiates to battery pack, and heat dissipation effect is fast, and at low cost；
And the cathode of whole battery cores gluing downward, it is consistent to can reach battery core heat dissipation thermal resistance, and it is high relative to battery core anode radiating efficiency, and just
Gluing does not solve the light explosion of battery core explosion-proof valve energy yet upward for pole, reduces risk of explosion.
3, the battery core anode in the battery pack of the utility model upward, is just carrying out aluminium wire ultrasound to battery core anode and busbar connector
Welding, when high current charge-discharges such as battery pack external short circuits, can carry out quick fuse aluminium wire reduces to protect battery core
Windburn danger；And no longer front and back sides being needed to overturn when welding mould group, welding sequence is reduced, and welding cost reduces.
4, gathering line is used as using FPC flexible cord row in battery pack, and increases a fuse in each voltage acquisition point of FPC
Structure is also connect with busbar connector using aluminium wire ultrasonic welding in collection point, so that simple and beautiful inside battery pack, assembly is simple；
Battery core and busbar connector are connected by the ultrasonic welding of aluminium wire (welding wire), and fuse can hold in short circuit or high current
It is meltable fall and further protect battery core, when fuse or aluminium wire are blown, replace fuse or aluminium wire, maintenance is simple,
It is at low cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the battery pack of an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the upper bracket of an embodiment of the present invention；
Fig. 3 is the Structure explosion diagram of the confluence module of an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the lower bracket of an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the radiating bottom plate of an embodiment of the present invention.
Wherein digital representation:
1- upper bracket, 11- upper bracket ontology, 12- pocket, 13- guidewire port, 14- baffle, 15- busbar connector positioning column,
16- latch fitting, 17- collecting tray, 2- confluence module, 21- flexibility FPC, 22- busbar connector, 221- busbar connector lifting ear, 222- confluence are ranked
Position hole, 23- welding wire, 3- lower bracket, 31- lower bracket main body, 32- battery core slot, 33- gas vent, 34- location hole, 4- heat dissipation bottom
Plate, 41- floor body, 42- positioning column, 43- wing, 5- battery core.
Specific embodiment
The present invention will be further described for explanation and specific embodiment with reference to the accompanying drawing.
As shown in Figure 1, a kind of structure applied to the battery pack in battery-operated motor cycle and electric bicycle of the utility model
Schematic diagram；The battery pack of the present embodiment, including upper bracket 1, confluence module 2, lower bracket 3, radiating bottom plate 4 and battery core 5.
In the present embodiment, as shown in Fig. 2, upper bracket 1 includes upper bracket ontology 11, upper bracket ontology 11 is divided into multiple row electricity
Pond group domain, preferably 6 column battery pack domains in the present embodiment are provided with the collecting tray 17 of strip between adjacent two column battery pack domain, converge
The length of chute 17 is preferably adapted with the length of busbar connector 22 in confluence module 2, to install confluence module 2.Further, it is
Preferably confluence module 2 is installed in top position, and the both ends of collecting tray 17 are respectively arranged 1 busbar connector positioning column 15.The present embodiment it is upper
It is provided with multiple baffles 14 in each column battery pack domain of bracket 1,1 pocket 12 and 1 is provided between two neighboring baffle 14
A guidewire port 13, the anode of battery core 5, the welding wire 23 of cathode are drawn and confluence module 2 from pocket 12 and guidewire port 13 respectively
Connection.The welding wire 23 of the present embodiment is preferably aluminum steel.For convenience of battery pack to be installed on vehicle, preferably in upper bracket 1
Specifically two latch fittings 16 are respectively arranged at the both ends in 1 multiple row battery pack domain of upper bracket in both ends, between two latch fittings 16, at least between
Every 1 column battery pack domain, which can be connected by locking screw to hollow stud.
As shown in figure 3, the confluence module 2 of the present embodiment, by 22 groups of busbar connector of flexible FPC21 (flexible circuit board) He Duogen
At flexible FPC21 and every reflux arrange and be provided with fuse between 22 connections, preferably each electricity on every reflux row 22
It presses and a fuse structure is set at collection point, using aluminium wire by ultrasonic welding by collection point on busbar connector 22 and flexible
FPC21 connection；Specifically, 1 voltage acquisition point, one end of voltage acquisition point and fuse are provided on every busbar connector 22
Connection, the other end of fuse connect aluminium wire, and collection point is simultaneously connect by aluminium wire by ultrasonic welding with flexibility FPC21.Fuse
Good protection effect can be played to collection point short circuit or high current, when short circuit occurring or electric current is excessive, fuse is melt
It is disconnected, battery line is disconnected, avoids on fire or overcurrent that battery core overheat is caused to explode, when can play two-way safeguarding function, and damage
Fuse is only needed to change, maintenance is simple at low cost.Further, in order to preferably be adapted to the structure of upper bracket 1, flexible FPC21
Input terminal be provided with multiple collection terminals, preferably 7 collection terminals, each collection terminal and the busbar connector 22 being assemblied in upper bracket 1
Position be adapted, further, more preferably to facilitate automatic positioning and assembly, flexible FPC21 is additionally provided at least two FPC
Location hole, FPC location hole are adapted with the FPC positioning column on 1 corresponding position of upper bracket.And the output end of flexibility FPC21 is collection
Socket type in a row is used for collected voltage transmission to control system.And the both ends of busbar connector 22 are each provided with 1 busbar connector
The alignment busbar connector positioning column 15 of busbar connector location hole 222 is put into i.e. by location hole 222 when busbar connector 22 is placed in upper bracket 1
It can.Further, turning in detail to Fig. 3, for the physical fit with upper bracket 1, busbar connector 22 in the present embodiment there are many
Length and shape, wherein one is identical as a column battery pack length of field, the busbar connector and a band that more short lengths are slightly less than
There is the busbar connector of busbar connector lifting ear 221.
The structure of the present embodiment lower bracket 3 is as shown in figure 4, be provided with multiple battery core slots 32, often in its lower bracket main body 31
The loading and adaptation so as to battery core 5 corresponding with the position of pocket 12 of a battery core slot 32.32 bottom of battery core slot is provided with support
The washer of battery core, the washer and battery core slot 32 and lower bracket main body 31 are integrally formed, and the intermediate position of washer is hollow type, will
The upper and lower surface of lower bracket main body 31 is connected to, so that heat-conducting glue and the cathode of battery core 5 come into full contact with；It is provided with beside battery core slot 32
Gas vent 33, gas vent 33 are connected to battery core slot 32.Preferably, the both ends of lower bracket main body 31 are additionally provided at least one positioning
Hole 34, the adaptation corresponding with positioning column 42 on radiating bottom plate 4 of location hole 34.
Preferably, the radiating bottom plate 4 of the present embodiment is as shown in figure 5, the preferred aluminium alloy of its material.The bottom plate of radiating bottom plate 4
Positioning column 42, the position of positioning column 42 and determining on lower bracket 3 are provided in the upper surface of main body 41 (face connecting with lower bracket 3)
Position 34 position of hole is corresponding；The bottom surface of floor body 41 offers multiple wings 43, and the cross section of wing 43 can be square wave, just
String wave or zigzag accelerate heat dissipation, the cross section of the present embodiment wing 43 is preferably square waveform, wing 43 to increase radiating surface
Length is consistent with the long side of radiating bottom plate 4.
When assembling, first battery core cathode is all packed into downward in the battery core slots 32 of lower brackets 3, then with upper bracket 1 together group
Dress；Ultrasonic welding is carried out after placing busbar connector 22 and flexibility FPC21 in upper bracket 1；Finally in 4 front (setting of radiating bottom plate
Have the one side of positioning column 42) heat-conducting glue is squeezed into, then the cathode face of battery core 5 is placed and is solidified on glue, to complete mould group
Assembling.
The mould group of the present embodiment is in battery-operated motor cycle or electric bicycle in application, the wing 43 on radiating bottom plate 4 will court
To the windward side of electric vehicle, the wind started by electric vehicle directly radiates to battery pack, heat dissipation effect.
In conclusion the anode of all battery cores of the present embodiment is upward, cathode is downward, easy to assembly, packaging efficiency it is high and
It is at low cost.Heat-conducting glue is beaten at battery core bottom cathode end, and is directly contacted with radiating bottom plate, the wing face of radiating bottom plate and electric vehicle
Windward side combine, the wind started by electric vehicle directly radiates to battery pack, and heat dissipation effect is fast, and at low cost；And it is complete
The cathode of portion's battery core gluing downward, it is consistent to can reach battery core heat dissipation thermal resistance, high relative to battery core anode radiating efficiency, and positive court
On not gluing enable the light explosion of battery core explosion-proof valve, reduce risk of explosion.(single side has positive mixing in existing technology,
Again gluing will appear positive explosion-proof valve high pressure cannot light explosion, and generate risk of explosion).Battery core anode court in battery pack
On, aluminium wire ultrasonic welding is carried out to battery core anode and busbar connector, when battery pack short-circuited outside causes high current charge-discharge,
Quick fuse aluminium wire can be carried out, to protect battery core, reduces risk on fire；And no longer front and back sides is needed to turn over when welding mould group
Turn, welding sequence is reduced, and welding cost reduces.Battery pack is used as gathering line using FPC flexible cord row, and adopts in each voltage of FPC
Collection point increases a fuse structure, is also connect with busbar connector using aluminium wire ultrasonic welding in collection point, so that inside battery pack
Simple and beautiful, assembly is simple；Battery core and busbar connector are connected by the ultrasonic welding of aluminium wire (welding wire), fuse energy
Be easy to melt in short circuit or when high current and further protect battery core, when fuse or aluminium wire are blown, replace fuse or
Aluminium wire, maintenance is simple, at low cost.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (7)
1. a kind of battery pack applied in battery-operated motor cycle and electric bicycle, comprising: upper bracket is placed in table on the upper bracket
Confluence module, lower bracket, radiating bottom plate and the battery core in face, it is characterised in that: the anode of the battery core stretches out on described upward
The pocket of bracket, the cathode of the battery core are placed in the battery core slot of the lower bracket downward, and the lower bracket is solidified by injecting glue
It is connect with the one side of the radiating bottom plate, the another side of the radiating bottom plate is provided with wing.
2. the battery pack according to claim 1 applied in battery-operated motor cycle and electric bicycle, it is characterised in that: described
Upper bracket includes upper bracket ontology, and the upper bracket ontology is divided into multiple row battery pack domain, and adjacent two arrange between the battery pack domain
It is provided with the collecting tray of strip；
It is provided with multiple baffles in battery pack domain described in each column, 1 pocket and 1 are provided between the two neighboring baffle
Guidewire port, the anode of the battery core, the welding wire of cathode are drawn and the confluence from the pocket and the guidewire port respectively
Module connection.
3. the battery pack according to claim 1 applied in battery-operated motor cycle and electric bicycle, it is characterised in that: described
Confluence module is made of flexible FPC and Duo Gen busbar connector, and the flexibility FPC is provided with insurance with every reflux row's connection place
Silk.
4. the battery pack according to claim 3 applied in battery-operated motor cycle and electric bicycle, it is characterised in that: every
1 voltage acquisition point, one end connection of the voltage acquisition point and fuse, the fuse are provided on the busbar connector
The other end connect aluminium wire, and the collection point is connect with the flexibility FPC by ultrasonic welding.
5. the battery pack according to claim 1 applied in battery-operated motor cycle and electric bicycle, it is characterised in that: described
Lower bracket includes lower bracket main body, and multiple battery core slots, each battery core slot and pocket are provided in the lower bracket main body
Position it is corresponding；The battery core trench bottom is provided with the washer of battery core described in support, the washer and the battery core slot and institute
The integrated molding of lower bracket main body is stated, the intermediate position of the washer is hollow type, by the upper and lower surface of the lower bracket main body
Connection；It is provided with gas vent beside the battery core slot, the gas vent is connected to the battery core slot.
6. the battery pack according to claim 1 applied in battery-operated motor cycle and electric bicycle, it is characterised in that: described
Radiating bottom plate is provided with positioning column on one side and connect with the lower bracket, and the another side of the radiating bottom plate is equipped with multiple wings
Wing, the length of the wing are identical as the length of the long side of the radiating bottom plate.
7. the battery pack according to claim 1 applied in battery-operated motor cycle and electric bicycle, it is characterised in that: described
The cross section of wing can be square wave, sine wave or zigzag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821395819.2U CN208706815U (en) | 2018-08-28 | 2018-08-28 | A kind of battery pack applied in battery-operated motor cycle and electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821395819.2U CN208706815U (en) | 2018-08-28 | 2018-08-28 | A kind of battery pack applied in battery-operated motor cycle and electric bicycle |
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| Publication Number | Publication Date |
|---|---|
| CN208706815U true CN208706815U (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821395819.2U Active CN208706815U (en) | 2018-08-28 | 2018-08-28 | A kind of battery pack applied in battery-operated motor cycle and electric bicycle |
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| CN (1) | CN208706815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112582728A (en) * | 2020-12-03 | 2021-03-30 | 章春元 | Wind-liquid integrated thermal management battery system of electric motorcycle |
-
2018
- 2018-08-28 CN CN201821395819.2U patent/CN208706815U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112582728A (en) * | 2020-12-03 | 2021-03-30 | 章春元 | Wind-liquid integrated thermal management battery system of electric motorcycle |
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Effective date of registration: 20210319 Address after: 678000 shuijingpo 8-1, Daying village committee, Jietou Township, Tengchong County, Baoshan City, Yunnan Province Patentee after: Zhang Chunyuan Address before: 518000 area a, 13 / F, building D, huilongda Industrial Park, Shilong community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN GWKC NEW ENERGY TECHNOLOGY Co.,Ltd. |