CN106486625A - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN106486625A CN106486625A CN201610996760.1A CN201610996760A CN106486625A CN 106486625 A CN106486625 A CN 106486625A CN 201610996760 A CN201610996760 A CN 201610996760A CN 106486625 A CN106486625 A CN 106486625A
- Authority
- CN
- China
- Prior art keywords
- casing
- slot
- anchor ear
- front casing
- battery bag
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The application relates to the technical field of energy storage device production, in particular to a battery pack, which comprises a box body, a wire harness isolation plate and a plurality of battery cells, wherein the box body is provided with a first slot; each battery cell is inserted into the first slot respectively; the wire harness isolation plate is connected to the box body, the wire harness isolation plate is provided with a second slot with an opening facing the box body, the first slot corresponds to the second slot in a one-to-one mode, and one end, close to the wire harness isolation plate, of the battery cell extends into the second slot. The battery pack that this application provided sets up first slot through the box to and the pencil division board sets up the second slot, inserts first slot and second slot with electric core, forms the battery pack, directly carries out electric core-battery pack in groups, has saved the intermediate link of module, has reduced spare part, thereby improves the energy density of battery pack.
Description
Technical field
The application is related to energy storage device production technical field, more particularly, to a kind of battery bag.
Background technology
Battery pack system electrical demand larger, using under the higher operating mode of voltage request, single only or a small amount of battery core is past
Toward use requirement cannot be met, need to carry out frame for movement Group Design, many battery cores be grouped into a module, electricity with
After the parameters such as voltage all meet job requirement, come into operation.Traditional method is：Multiple battery cores are passed through the battery cores such as module framework
Fixed structure is grouped into module, more multiple modules are grouped into battery bag by casing and module fixing arrangement, then puts into
Use.
This battery core-module, the three-tier architecture of module-battery bag, need module framework etc. in groups due to battery core-module
Battery core fixed structure, module-battery bag need casing and module fixing arrangement in groups, therefore, in each grouping procedure all
Parts can be increased, reduce the energy density of battery bag.
Content of the invention
This application provides a kind of battery bag, can solve the problem that the problems referred to above.
This application provides a kind of battery bag, including casing, wire harness division board and multiple battery core,
Described casing includes the first relative side plate and the second side plate, and described first side plate connects oriented described second side plate
The first demarcation strip extending；Described second side plate connects the second demarcation strip that oriented described first side plate extends, described first
On the bearing of trend of demarcation strip, spaced between described first demarcation strip and described second demarcation strip, described first demarcation strip,
Described second demarcation strip and described casing form multiple first slots；
Each described battery core inserts described first slot respectively；
Described wire harness division board is connected to described casing, and described wire harness division board is provided with opening towards the second of described casing
Slot, described first slot is corresponded with described second slot, and described battery core is stretched near one end of described wire harness division board
Enter described second slot.
Preferably, described casing includes interconnective front casing and rear box, and described front casing includes relative first
Daughter board and the second daughter board；Described rear box includes the 3rd relative daughter board and the 4th daughter board；Described first daughter board and the described 3rd
Daughter board forms described first side plate, and described front casing is connected by described first flange, described second flange with described rear box
Connect.
Preferably, the edge of described front casing is provided with first flange；The edge of described rear box is provided with second flange, described
First flange is connected with described second flange.
Preferably, also include high-tension connector, described front casing is provided with installing hole, described high-tension connector is installed on described
Installing hole.
Preferably, described wire harness division board is provided with connecting plate, and described connecting plate is relative with described installing hole, and described high pressure is even
Connect device to electrically connect through described installing hole with described connecting plate.
Preferably, the first anchor ear and the second anchor ear are also included, described first anchor ear points to described rear cabinet along described front casing
Described front casing is inserted in the direction of body；Described second anchor ear along described rear box point to described front casing direction insertion described after
Casing；And described first anchor ear is connected with described second anchor ear.
Preferably, described front casing is provided with the first groove, and described first groove is along perpendicular to the height side of described front casing
To periphery setting, described first anchor ear insert described first groove.
Preferably, described rear box is provided with the second groove, and described second groove is along perpendicular to the height side of described rear box
To periphery setting, described second anchor ear insert described second groove.
Preferably, described second groove extends to described front casing, and connects with described first groove.
Preferably, it is provided with position limiting structure between described second anchor ear and described front casing.
The technical scheme that the application provides can reach following beneficial effect：
Battery bag provided herein, arranges the first slot by casing, and wire harness division board arranges the second slot,
Battery core is inserted the first slot and the second slot, forms battery bag, directly carry out battery core-battery bag in groups, eliminate module
Intermediate link, decrease parts, thus improving the energy density of battery bag.
It should be appreciated that above general description and detailed description hereinafter are only exemplary, can not be limited this
Application.
Brief description
A kind of structural representation of specific embodiment of battery bag that Fig. 1 is provided herein；
A kind of explosive view of specific embodiment of battery bag that Fig. 2 is provided herein；
The explosive view of casing and rear box before a kind of specific embodiment of battery bag that Fig. 3 is provided herein；
A kind of structure chart of battery bag specific embodiment wire harness division board that Fig. 4 is provided herein.
Reference：
10- case lid；
20- casing；
Casing before 21-；
211- first flange；
212- first groove；
213- stopper slot；
214- installing hole；
22- rear box；
221- second flange；
222- second groove；
23- first anchor ear；
24- second anchor ear；
241- reinforcement；
242- lightening hole；
243- limited step；
25- first demarcation strip；
26- first slot；
30- wire harness division board；
31- connecting plate；
32- second slot；
40- battery core；
50- high-tension connector.
Accompanying drawing herein is merged in description and constitutes the part of this specification, shows the enforcement meeting the application
Example, and be used for explaining the principle of the application together with description.
Specific embodiment
Below by specific embodiment and combine accompanying drawing the application is described in further detail.
As Figure 1-4, the embodiment of the present application provides a kind of battery bag, including casing 20, wire harness division board 30 and many
Individual battery core 40, casing 20 is usually rectangular structure, only one direction opening, and casing 20 includes relative the first side plate and second
Side plate, the first side plate connects the first demarcation strip 25 that oriented second side plate extends；Second side plate connects oriented first side plate and extends
The second demarcation strip, on the bearing of trend of the first demarcation strip 25, spaced between the first demarcation strip and the second demarcation strip,
One demarcation strip 25, the second demarcation strip and casing 20 form multiple first slots 26.Battery core 40 includes relative two principal plane, main
Plane refers to the plane that the length sides of battery core 40 are formed with height side, and each battery core 40 inserts the first slot 26, usual principal plane respectively
Fit with the first demarcation strip 25 and/or the second demarcation strip, each battery core 40 through-thickness arrangement, i.e. the first demarcation strip 25 and second
Demarcation strip is relative one by one, and spaced on the bearing of trend of the first demarcation strip 25, and each battery core 40 is along the first demarcation strip 25
Or the second demarcation strip inserts first slot, so, two adjacent battery cores 40 pass through first demarcation strip the 25, second separation
Plate separates, and due to spaced between the first demarcation strip and the second demarcation strip, therefore, between the surface of adjacent battery core 40 is left
Gap, causes box deformation even to ftracture with battery core 40 deformation during preventing battery bag from using.
Wire harness division board 30 is connected to casing 20, and general wire harness division board 30 is fixed on the open side of casing 20, battery core 40
It is installed in the receiving space that casing 20 is formed with wire harness division board 30, with convenient for assembly.In order that the installation of battery core 40 more may be used
Lean on, wire harness division board 30 is provided with the second slot 32 towards casing 20 for the opening, the first slot 26 is corresponded with the second slot 32,
And battery core 40 stretches into the second slot 32 near one end of wire harness division board 30, usually, wire harness division board 30 is connected with the 3rd point
Dividing plate, the second slot 32 is formed by the 3rd demarcation strip, and that is, the first demarcation strip 25, the second demarcation strip and the 3rd demarcation strip are common
Face, receiving space is divided into multiple battery core accommodating chambers by three.
Above-described embodiment arranges the first slot 26 by casing 20, and wire harness division board 30 arranges the second slot 32, will
Battery core 40 inserts the first slot 26, and is compressed by the second slot 32, so that 40 3 directions of battery core is realized spacing, thus forming electricity
Chi Bao, directly carries out battery core-battery bag in groups, eliminates the intermediate link of module, decreases parts, thus improving battery
The energy density of bag.
The thickness of the preferably first demarcation strip 25, the second demarcation strip and the 3rd demarcation strip is equal, the sky to increase battery bag
Between utilization rate.
In order that the installation of battery core 40 is more reliable, the second slot 32 is connected for clamping with battery core 40.
Specifically, casing 20 can be structure as a whole or Split type structure, manufacture for convenience and assemble, preferably
Casing 20 is Split type structure, and as Figure 2-3, casing 20 includes interconnective front casing 21 and rear box 22, front casing 21
Including the first relative daughter board and the second daughter board；Rear box 22 includes the 3rd relative daughter board and the 4th daughter board；First daughter board with
3rd daughter board forms the first side plate, and the second daughter board and the 4th daughter board form the second side plate.
Front casing 21 can be connected by modes such as screw, clamping, welding with rear box 22.In order to increase front casing 21 with
The reliability of the connection of rear box 22 and convenience, especially when by welding and mode connects for screw, the edge of front casing 21 sets
There is first flange 211；The edge of rear box 22 is provided with second flange 221, and front casing 21 and rear box 22 pass through first flange 211
It is connected with second flange 221.
Along the short transverse of battery core 40, first flange 211 and second flange 221 can be provided with one group or multigroup, be provided with
When multigroup, by increasing capacitance it is possible to increase the reliability that front casing 21 is connected with rear box 22.
Because battery bag needs to carry out high-voltage power transmission with the external world, therefore, battery bag also includes high-tension connector 50, in order to
Facilitate the fixation of high-tension connector 50, front casing 21 is provided with installing hole 214, and high-tension connector 50 is installed on installing hole 214, such as scheme
Shown in 1-3.
Wire harness division board 30 includes body and aluminum connects row, and aluminum connects row and is connected to body, and body is connected to casing 20, the
Two slots 32 are located at body.Connecting plate 31 is additionally provided with body, connecting plate 31 is relative with installing hole 214, and high-tension connector 50 is worn
Cross installing hole 214 to electrically connect with connecting plate 31, to realize the electrical connection of the circuit on high-tension connector 50 and wire harness division board 30.
In order to increase the reliability that connecting plate 31 is electrically connected with high-tension connector 50, connecting plate 31 and high-tension connector 50 are equipped with logical
Hole, connecting plate 31 passes through the mode connects for screw through two through holes with high-tension connector 50.
In order to mitigate the weight of battery bag, increase the energy density of battery bag, the material of casing 20 is preferably plastic cement.When
So, the material of casing 20 can also be metal.
In order to ensure the reliability of casing 20, it is Split type structure especially in casing 20, when particularly material is plastic cement, battery
Bag also includes the first anchor ear 23 and the second anchor ear 24, the first anchor ear 23 case along before the direction insertion of front casing 21 sensing rear box 22
Body 21；Second anchor ear 24 points to the direction insertion rear box 22 of front casing 21 along rear box 23；And first anchor ear 23 and second armful
Hoop 24 connection, i.e. the first anchor ear 23 and the second anchor ear 24 casing 21 and rear box 22 along before the circumference holding of casing 20, circumference refers to
Periphery perpendicular to the short transverse of battery core 40.
A kind of embodiment, front casing 21 is provided with the first groove 212, and the first groove 212 is along the height side perpendicular to battery core 40
To periphery setting, the first anchor ear 23 insert the first groove 212, to prevent the relative slip of the first anchor ear 23 and casing 20.?
When being provided with multiple first flange 211, it is usually provided in the both sides of the short transverse along battery core 40 for first groove 212.
Another embodiment, rear box 22 is provided with the second groove 222, and the second groove 222 is along the height side perpendicular to battery core 40
To periphery setting, the second anchor ear 222 insert the second groove 222, to prevent the relative slip of the second anchor ear 24 and casing 20.?
When being provided with multiple second flange 221, it is usually provided in the both sides of the short transverse along battery core 40 for second groove 222.
Battery bag can also adopt above two embodiment simultaneously.
Further, in order to increase the reliability that front casing 21 is connected with rear box 22, the second groove 222 extends to front case
Body 21, and connect with the first groove 212.
Now, it is provided with position limiting structure between the second anchor ear 24 and front casing 21, to be better protected from front casing 21 and first
The reliability that anchor ear 23, the second anchor ear 24 connect.Position limiting structure can be the stopper slot 213 located at front casing 21, and located at
The limited step 243 of two anchor ears 24, limited step 243 is stopped at stopper slot 213, and stopper slot 213 can be equal with limited step 243
For wedge structure as shown in Figure 2, the big end of wedge structure is located at the side near rear box 22.Or position limiting structure includes setting
In the through hole of the second anchor ear and front casing 21, and the pin of insertion through hole.
In the same manner, another way, the first groove 212 extends to rear box 22, and connects with the second groove 222.Now,
It also is provided with position limiting structure, position limiting structure is referring in particular to above-mentioned position limiting structure between one anchor ear 23 and rear box 22.
The connected mode of the first anchor ear 23 and the second anchor ear 24 can be for welding, clamping or mode connects for screw it is also possible to lead to
Cross setting flange, as Figure 2-3, improve reliability and the convenience that the two connects.
In order to improve the energy density of battery bag further, the first anchor ear 23 and the second anchor ear 24 are provided with lightening hole 241,
The first anchor ear 23 can be entered or the second anchor ear 24 is provided with lightening hole 242.
In order to improve the intensity of the first anchor ear 23 and the second anchor ear 24, especially when being provided with lightening hole 242, the first anchor ear 23
It is provided with reinforcement 241 with the second anchor ear 24 it is also possible to the only first anchor ear 23 or the second anchor ear 24 are provided with reinforcement.
Additionally, battery bag also includes case lid 10, case lid 10 is fastened with casing 20, and wire harness division board 30 is placed in casing 20,
Generally, case lid 10 passes through the mode connects for screw of insertion wire harness division board 30 in casing 20.
The foregoing is only the preferred embodiment of the application, be not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.All within spirit herein and principle, made any repair
Change, equivalent, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of battery bag is it is characterised in that include casing, wire harness division board and multiple battery core,
Described casing includes the first relative side plate and the second side plate, and described first side plate connects oriented described second side plate and extends
The first demarcation strip；Described second side plate connects the second demarcation strip that oriented described first side plate extends, in the described first separation
On the bearing of trend of plate, spaced between described first demarcation strip and described second demarcation strip, described first demarcation strip, described
Second demarcation strip and described casing form multiple first slots；
Each described battery core inserts described first slot respectively；
Described wire harness division board is connected to described casing, and described wire harness division board is provided with opening and inserts towards the second of described casing
Groove, described first slot is corresponded with described second slot, and described battery core stretches near one end of described wire harness division board
Described second slot.
2. battery bag according to claim 1 is it is characterised in that described casing includes interconnective front casing and rear cabinet
Body, described front casing includes the first relative daughter board and the second daughter board；Described rear box includes relative the 3rd daughter board and the 4th
Daughter board；Described first daughter board and described 3rd daughter board form described first side plate, described second daughter board and described 4th daughter board shape
Become described second side plate.
3. battery bag according to claim 2 is it is characterised in that the edge of described front casing is provided with first flange；Described
The edge of rear box is provided with second flange, and described front casing and described rear box are by described first flange, described second flange
It is connected.
4. it is characterised in that also including high-tension connector, described front casing is provided with peace to battery bag according to claim 2
Dress hole, described high-tension connector is installed on described installing hole.
5. battery bag according to claim 4 is it is characterised in that described wire harness division board is provided with connecting plate, described connection
Plate is relative with described installing hole, and described high-tension connector is electrically connected through described installing hole with described connecting plate.
6. the battery bag according to any one of claim 2-5 is it is characterised in that also include the first anchor ear and the second anchor ear,
Described front casing is inserted in the direction that described first anchor ear points to described rear box along described front casing；Described second anchor ear is along described
Described rear box is inserted in the direction that rear box points to described front casing；And described first anchor ear is connected with described second anchor ear.
7., it is characterised in that described front casing is provided with the first groove, described first is recessed for battery bag according to claim 6
Groove inserts described first groove along the periphery setting of the short transverse perpendicular to described front casing, described first anchor ear.
8., it is characterised in that described rear box is provided with the second groove, described second is recessed for battery bag according to claim 7
Groove inserts described second groove along the periphery setting of the short transverse perpendicular to described rear box, described second anchor ear.
9. battery bag according to claim 8 is it is characterised in that described second groove extends to described front casing, and with
Described first groove connection.
10. battery bag according to claim 9 is it is characterised in that be provided between described second anchor ear and described front casing
Position limiting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610996760.1A CN106486625B (en) | 2016-11-11 | 2016-11-11 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610996760.1A CN106486625B (en) | 2016-11-11 | 2016-11-11 | Battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106486625A true CN106486625A (en) | 2017-03-08 |
| CN106486625B CN106486625B (en) | 2019-06-04 |
Family
ID=58271992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610996760.1A Active CN106486625B (en) | 2016-11-11 | 2016-11-11 | Battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106486625B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360915A (en) * | 2018-11-23 | 2019-02-19 | 北斗航天汽车（北京）有限公司 | Battery pack and electri forklift for electri forklift |
| CN109449336A (en) * | 2018-11-16 | 2019-03-08 | 力帆实业(集团)股份有限公司 | A kind of motorcycle battery mounting box |
| CN109980143A (en) * | 2017-12-27 | 2019-07-05 | 株式会社杰士汤浅国际 | Electrical storage device |
| CN111430603A (en) * | 2019-01-09 | 2020-07-17 | 比亚迪股份有限公司 | Battery pack without module frame, vehicle and energy storage device |
| CN112117398A (en) * | 2019-06-21 | 2020-12-22 | 比亚迪股份有限公司 | Vehicle with a steering wheel |
| WO2023071083A1 (en) * | 2021-10-29 | 2023-05-04 | 宁德时代新能源科技股份有限公司 | Battery box |
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| CN114256553A (en) * | 2019-01-09 | 2022-03-29 | 比亚迪股份有限公司 | Battery pack without module frame, vehicle and energy storage device |
| CN114256555A (en) * | 2019-01-09 | 2022-03-29 | 比亚迪股份有限公司 | Battery cell, battery pack without module frame, vehicle and energy storage device |
| CN114256554A (en) * | 2019-01-09 | 2022-03-29 | 比亚迪股份有限公司 | Battery pack without module frame, vehicle and energy storage device |
| CN114256546A (en) * | 2019-01-09 | 2022-03-29 | 比亚迪股份有限公司 | Battery pack without module frame, vehicle and energy storage device |
| CN114256555B (en) * | 2019-01-09 | 2023-10-17 | 比亚迪股份有限公司 | Single battery, battery pack without module frame, vehicle and energy storage device |
| CN114221072A (en) * | 2019-01-09 | 2022-03-22 | 比亚迪股份有限公司 | Battery pack without module frame, vehicle and energy storage device |
| CN114256553B (en) * | 2019-01-09 | 2023-12-12 | 比亚迪股份有限公司 | Battery pack without module frame, vehicle and energy storage device |
| CN114221072B (en) * | 2019-01-09 | 2024-01-30 | 比亚迪股份有限公司 | Battery pack without module frame, vehicle and energy storage device |
| US11955651B2 (en) | 2019-01-09 | 2024-04-09 | Byd Company Limited | Power battery pack and electric vehicle |
| CN111430603A (en) * | 2019-01-09 | 2020-07-17 | 比亚迪股份有限公司 | Battery pack without module frame, vehicle and energy storage device |
| CN112117398A (en) * | 2019-06-21 | 2020-12-22 | 比亚迪股份有限公司 | Vehicle with a steering wheel |
| WO2023071083A1 (en) * | 2021-10-29 | 2023-05-04 | 宁德时代新能源科技股份有限公司 | Battery box |
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| Publication number | Publication date |
|---|---|
| CN106486625B (en) | 2019-06-04 |
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