CN210167397U - Electric motorcycle and battery pack thereof - Google Patents
Electric motorcycle and battery pack thereof Download PDFInfo
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- CN210167397U CN210167397U CN201920771321.XU CN201920771321U CN210167397U CN 210167397 U CN210167397 U CN 210167397U CN 201920771321 U CN201920771321 U CN 201920771321U CN 210167397 U CN210167397 U CN 210167397U
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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
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Abstract
The utility model relates to an electric motorcycle and a battery component thereof, the battery component comprises a shell, a plurality of electric cores, a first electrode and a second electrode, wherein the electric cores are arranged in the shell and distributed in a plurality of rows and a plurality of columns; each row of battery cells are connected in parallel to form a battery unit, a plurality of rows of battery cells respectively form a plurality of battery units, the plurality of battery units are connected in series to form a battery pack, and the battery pack is connected with a first electrode and a second electrode; or each row of battery cells are connected in series to form a battery unit, a plurality of rows of battery cells respectively form a plurality of battery units, the plurality of battery units are connected in parallel to form a battery pack, and the battery pack is connected with the first electrode and the second electrode. Through the structural design, the arrangement space can be saved, the arrangement density of the internal electric core of the battery pack is increased in the limited space, and the unit density energy of the battery pack is increased.
Description
Technical Field
The utility model relates to a battery technology field, in particular to electric motorcycle car and battery pack thereof.
Background
The electric motorcycle uses a battery as a power source, and in order to improve the cruising ability, a large-capacity battery is generally used. Because the capacity of the battery is related to the number of the battery cells distributed in the battery, the larger the number of the battery cells is, the larger the capacity is, and correspondingly, the larger the volume is. Because the space of electric motorcycle car installation battery is limited, and current battery use be cylindrical electric core, cylindrical electric core when arranging, has great clearance between two adjacent electric cores, and this clearance can occupy great unnecessary space for electric core arranges the quantity in finite space and reduces, and battery unit density energy reduces promptly, leads to the battery capacity to reduce.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model provides an electric motorcycle car and battery pack thereof that can increase battery pack unit density energy in finite space.
The technical scheme adopted by the utility model is that the battery component comprises a shell, a plurality of battery cells, a first electrode and a second electrode, wherein the battery cells, the first electrode and the second electrode are arranged in the shell, and the plurality of battery cells are distributed in a plurality of rows and a plurality of columns in the shell; each row of battery cells are connected in parallel to form a battery unit, a plurality of rows of battery cells respectively form a plurality of battery units, the plurality of battery units are connected in series to form a battery pack, and the battery pack is connected with the first electrode and the second electrode; alternatively, the first and second electrodes may be,
each row of battery cells are connected in series to form a battery unit, a plurality of rows of battery cells respectively form a plurality of battery units, the plurality of battery units are connected in parallel to form a battery pack, and the battery pack is connected with the first electrode and the second electrode.
As a further improvement of the above embodiment, the plurality of battery cells of each column are arranged along the first direction, and the plurality of battery units are arranged along the second direction.
As a further improvement of the above embodiment, the battery pack includes two first pressing plates respectively connected to the first electrode and the second electrode, each of the battery cells is provided with a first electrode contact piece and a second electrode contact piece, and the first pressing plates are respectively clamped on two opposite surfaces of the first electrode contact pieces and the second electrode contact pieces of the plurality of battery cells of the battery unit and respectively tightly contact the two opposite surfaces, so that the plurality of battery cells of each battery unit are connected in parallel.
As a further improvement of the foregoing embodiment, each of the battery cells is provided with a first electrode contact piece and a second electrode contact piece, the battery assembly includes a second pressing plate, and the second pressing plate is respectively clamped on two opposite surfaces of the first electrode contact piece and the second electrode contact piece of the plurality of battery cells of two adjacent battery units, and is respectively in close contact with the two opposite surfaces, so that the two adjacent battery units are connected in series.
As a further improvement of the above embodiment, the battery cell further comprises the first pressing plate and the second pressing plate of the above embodiment, each of the battery cells is provided with a first electrode contact piece and a second electrode contact piece, the first pressing plate and the second pressing plate comprise a top plate and a bottom plate, and the bottom plate is provided with a through hole; the first electrode contact piece and the second electrode contact piece are provided with contact parts, the contact parts penetrate through the through holes and extend to the upper side of the bottom plate, and the top plate and the bottom plate are clamped on the top and the bottom of the contact parts respectively.
As a further improvement of the above embodiment, the first electrode contact piece and the second electrode contact piece further have a connection portion, the connection portion is formed by extending from one end of the battery cell to a direction close to the first electrode or the second electrode, the contact portion is formed by bending and extending from one end of the connection portion, and the bending directions of the plurality of contact portions of each battery unit are the same.
As a further improvement of the above embodiment, the bending directions of the contact portions of every two adjacent battery cells are opposite.
As a further improvement of the above embodiment, the battery pack further comprises a bracket, wherein the bracket is arranged on the battery pack and provided with a plurality of positioning columns; the first pressing plate and the second pressing plate are mounted on the support, positioning holes are formed in the first pressing plate and the second pressing plate respectively, and the positioning columns are inserted into the positioning holes.
As a further improvement of the above embodiment, the battery assembly is rectangular, each of the battery cells is rectangular, and the plurality of battery cells are arranged in a rectangular array.
The utility model also provides an electric motorcycle car, including automobile body and any one of the above-mentioned embodiments battery pack, the group battery install in on the automobile body.
The utility model discloses a plurality of electric cores of battery pack are multirow multiseriate and distribute to constitute battery unit through setting up every parallelly connected of electric core, multiseriate electric core constitutes a plurality of battery unit respectively, a plurality of battery unit establish ties and constitute the group battery, perhaps, establish ties through setting up every electric core and constitute battery unit, and multiseriate electric core constitutes a plurality of battery unit respectively, a plurality of battery unit connect in parallel and constitute the group battery to practice thrift the electric core space of arranging, can increase the density of arranging of its inside electric core in limited space, make the increase of battery pack unit density energy.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a schematic perspective view of a battery module according to the present invention;
fig. 2 is a schematic diagram of the cell arrangement of fig. 1;
FIG. 3 is an exploded perspective view of FIG. 1;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
fig. 5 is a sectional view taken along the direction B-B of fig. 3.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 5, an aspect of the present invention provides a battery assembly, which is a rectangular battery assembly, and includes a housing 1, a plurality of battery cells 2, a first electrode (not shown), a second electrode (not shown), a first pressing plate 4, a second pressing plate 5, and a bracket 9, wherein the plurality of battery cells 2, the first pressing plate 4, the second pressing plate 5, and the bracket 9 are disposed in the housing 1.
As shown in fig. 1 and 2, the casing 1 is an aluminum casing 1 for enclosing a battery assembly. In this embodiment, the plurality of battery cells 2 are distributed in multiple rows and multiple columns in the housing 1. Each row of the battery cells 2 is connected in parallel to form a battery unit 31, a plurality of rows of the battery cells 2 respectively form a plurality of battery units 31, the plurality of battery units 31 are connected in series to form a battery pack 3, and the battery pack 3 is connected with the first electrode and the second electrode. Of course, in other embodiments, each row of the battery cells 2 may also be connected in series to form the battery unit 31, a plurality of rows of the battery cells 2 respectively form a plurality of battery units 31, the plurality of battery units 31 are connected in parallel to form the battery pack 3, and the battery pack 3 is connected to the first electrode and the second electrode.
The first electrode is a battery assembly anode, and the second electrode is a battery assembly cathode. The battery pack 3 has a rectangular shape, and has four sets of battery cells 31. The two groups of battery cells 31 at the left and right ends of the battery pack 3 are electrically connected to the positive electrode and the negative electrode of the battery pack, respectively, and the two groups of battery cells 31 are connected in series between the two groups of battery cells, that is, the battery pack 3 is formed by connecting two groups of battery cells 31 in series between the two groups of battery cells 31 at the left and right ends of the battery pack 3. Wherein each group of battery units 31 is arranged with 9 battery cells 2. Through setting up every parallelly connected constitution battery unit 31 of electric core 3, a plurality of battery unit 31 establish ties and constitute group battery 3, perhaps, establish ties through setting up every electric core 2 and constitute battery unit 31, a plurality of battery unit 31 connect in parallel and constitute group battery 3 to practice thrift electric core 2 and arrange the space, can increase its inside electric core 2's of arranging density in limited space, make the increase of battery pack unit density energy.
Specifically, the plurality of battery cells 2 in each column are arranged along a first direction, and the plurality of battery units 31 are arranged along a second direction, where the first direction is a longitudinal direction of the battery assembly, and the second direction is a transverse direction of the battery assembly. A first electrode contact piece 21 and a second electrode contact piece 22 which are used as conductive electrodes of the electric cores 2 extend from the top of each electric core 2, and a heat dissipation partition plate 32 and an electric heating film 33 are attached to the same side of each row of electric cores 2 along the length direction. The electric heating film 33 is adhered to the heat dissipation partition plate 32, and is electrically connected to a heating system of the battery assembly, and is used for heating the battery core 2. In this embodiment, each battery cell 2 is rectangular, and a plurality of battery cells 2 are arranged in a rectangular array. Through the arrangement mode, the arrangement space of the plurality of battery cells 2 can be saved, so that the unit density energy of the battery pack is increased.
As shown in fig. 3 and 4, the first electrode contact piece 21 and the second electrode contact piece 22 have a connection portion 23 and a contact portion 24, the connection portion 23 is formed by extending from one end of the electric core 2 to a direction (upward) close to the first electrode or the second electrode, the contact portion 24 is formed by bending and extending from a free end of the connection portion 23 to a direction parallel to the plate surface of the second pressing plate 5 or the first pressing plate 4, and the bending directions of the plurality of contact portions 24 of each battery unit 31 are the same (i.e., the plurality of contact portions 24 are bent in the same direction). In other embodiments, the bending directions of the contact portions 24 of every two adjacent battery cells 31 may be opposite, so that the reaction forces exerted on the second pressing plate 5 when the two adjacent contact portions 24 are clamped are balanced, and the second pressing plate 5 is prevented from being unstably positioned.
The first pressing plate 4 has two pieces, which are respectively connected to the first electrode (positive electrode of the battery pack) and the second electrode (negative electrode of the battery pack) to electrically connect the two sets of battery cells 31 located at the left and right ends of the battery pack 3 to the positive electrode of the battery pack and the negative electrode of the battery pack, respectively. Specifically, the two first pressing plates 4 are respectively clamped on two opposite surfaces of the first electrode contact pieces 21 and the second electrode contact pieces 22 of the multiple battery cells 2 of the two battery units 31 located at the left and right ends of the battery pack 3 through fixing pieces, and are respectively in close contact with the two opposite surfaces, so that the multiple battery cells 2 of each battery unit 31 are connected in parallel.
As shown in fig. 5, three of the second pressing plates 5 are respectively clamped on two opposite surfaces of the first electrode contact piece 21 and the second electrode contact piece 22 of the plurality of battery cells 2 of two adjacent battery units 31 by fixing members, and are respectively in close contact with the two opposite surfaces, so that two adjacent battery units 31 are connected in series.
As shown in fig. 3 and 4, in the present embodiment, the first pressing plate 4 and the second pressing plate 5 are conductive electrode pressing plates, and include a top plate 6 and a bottom plate 7, the top plate 6 may be an aluminum plate, the bottom plate 7 may be a copper plate, and the bottom plate 7 is provided with a through hole (not numbered). The through hole is used for the contact part 24 to pass through, the contact part 24 can extend to the upper part of the bottom plate 7, and the top plate 6 and the bottom plate 7 are respectively clamped on the top and the bottom of the contact part 24. The fixing member (not shown) may be a screw or a pin, which penetrates through the contact portion 24, the top plate 6 and the bottom plate 7 to fix the contact portion 24, the top plate 6 and the bottom plate 7, and by providing the fixing member, the first pressing plate 4 and the second pressing plate 5 clamp the contact portion 24.
As shown in fig. 1 and 3, the bracket 9 is disposed on the top of the battery pack 3, and the bracket 9 is fixedly provided with a plurality of positioning posts 91. The first pressing plate 4 and the second pressing plate 5 are mounted on the bracket 9 (as shown in fig. 4), the first pressing plate 4 and the second pressing plate 5 are respectively provided with a positioning hole 8, and the positioning column 91 is inserted into the positioning hole 8 so as to accurately mount the bracket 9.
The utility model also provides an electric motorcycle car (not shown), including automobile body (not shown) and above-mentioned arbitrary embodiment battery pack, the group battery install in on the automobile body.
The utility model discloses a plurality of electric cores of battery pack are multirow multiseriate and distribute to constitute battery unit through setting up every parallelly connected of electric core, multiseriate electric core constitutes a plurality of battery unit respectively, a plurality of battery unit establish ties and constitute the group battery, perhaps, establish ties through setting up every electric core and constitute battery unit, and multiseriate electric core constitutes a plurality of battery unit respectively, a plurality of battery unit connect in parallel and constitute the group battery to practice thrift the electric core space of arranging, can increase the density of arranging of its inside electric core in limited space, make the increase of battery pack unit density energy.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express the specific embodiments of the utility model, and the description thereof is specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A battery assembly is characterized by comprising a shell, a plurality of battery cells, a first electrode and a second electrode, wherein the battery cells, the first electrode and the second electrode are arranged in the shell, and the plurality of battery cells are distributed in multiple rows and multiple columns in the shell;
each row of battery cells are connected in parallel to form a battery unit, a plurality of rows of battery cells respectively form a plurality of battery units, the plurality of battery units are connected in series to form a battery pack, and the battery pack is connected with the first electrode and the second electrode; alternatively, the first and second electrodes may be,
each row of battery cells are connected in series to form a battery unit, a plurality of rows of battery cells respectively form a plurality of battery units, the plurality of battery units are connected in parallel to form a battery pack, and the battery pack is connected with the first electrode and the second electrode.
2. The battery assembly of claim 1, wherein the plurality of cells of each column are arranged in a first direction and the plurality of battery cells are arranged in a second direction.
3. The battery assembly of claim 1, comprising two first pressing plates respectively connected to the first electrode and the second electrode, wherein each of the cells is provided with a first electrode contact piece and a second electrode contact piece, and the first pressing plates are respectively clamped on two opposite surfaces of the first electrode contact piece and the second electrode contact piece of the plurality of cells of the battery unit and respectively tightly contact with the two opposite surfaces, so that the plurality of cells of each of the battery units are connected in parallel.
4. The battery assembly of claim 1, wherein each of the battery cells is provided with a first electrode contact piece and a second electrode contact piece, and the battery assembly comprises a second pressing plate, the second pressing plate is clamped on two opposite surfaces of the first electrode contact piece and the second electrode contact piece of the plurality of battery cells of two adjacent battery units respectively and is in close contact with the two opposite surfaces respectively, so that the two adjacent battery units are connected in series.
5. The battery pack of claim 1, comprising the first pressing plate of claim 3 and the second pressing plate of claim 4, wherein each of the cells is provided with a first electrode contact piece and a second electrode contact piece, the first pressing plate and the second pressing plate comprise a top plate and a bottom plate, and the bottom plate is provided with a through hole; the first electrode contact piece and the second electrode contact piece are provided with contact parts, the contact parts penetrate through the through holes and extend to the upper side of the bottom plate, and the top plate and the bottom plate are clamped on the top and the bottom of the contact parts respectively.
6. The battery assembly of claim 5, wherein the first electrode contact sheet and the second electrode contact sheet further have a connection portion, the connection portion is formed by extending from one end of the battery cell to a direction close to the first electrode or the second electrode, the contact portion is formed by bending and extending from one end of the connection portion, and the bending directions of the plurality of contact portions of each battery unit are the same.
7. The battery pack according to claim 6, wherein the contact portions of every two adjacent battery cells are bent in opposite directions.
8. The battery pack of claim 5, comprising a bracket disposed on the battery pack, the bracket having a plurality of positioning posts; the first pressing plate and the second pressing plate are mounted on the support, positioning holes are formed in the first pressing plate and the second pressing plate respectively, and the positioning columns are inserted into the positioning holes.
9. The battery assembly of claim 1, wherein the battery assembly is rectangular, each of the cells is rectangular, and the plurality of cells are arranged in a rectangular array.
10. An electric motorcycle comprising a vehicle body and the battery pack according to any one of claims 1 to 9, wherein the battery pack is mounted on the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920771321.XU CN210167397U (en) | 2019-05-27 | 2019-05-27 | Electric motorcycle and battery pack thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920771321.XU CN210167397U (en) | 2019-05-27 | 2019-05-27 | Electric motorcycle and battery pack thereof |
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| Publication Number | Publication Date |
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| CN210167397U true CN210167397U (en) | 2020-03-20 |
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| CN201920771321.XU Active CN210167397U (en) | 2019-05-27 | 2019-05-27 | Electric motorcycle and battery pack thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114375522A (en) * | 2021-03-30 | 2022-04-19 | 宁德新能源科技有限公司 | Battery pack |
| CN114709534A (en) * | 2022-03-31 | 2022-07-05 | 东莞新能安科技有限公司 | Battery pack and electric device |
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2019
- 2019-05-27 CN CN201920771321.XU patent/CN210167397U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114375522A (en) * | 2021-03-30 | 2022-04-19 | 宁德新能源科技有限公司 | Battery pack |
| CN114709534A (en) * | 2022-03-31 | 2022-07-05 | 东莞新能安科技有限公司 | Battery pack and electric device |
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