CN214706062U - Special-shaped lithium battery for portable electric bicycle - Google Patents
Special-shaped lithium battery for portable electric bicycle Download PDFInfo
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- CN214706062U CN214706062U CN202120927497.7U CN202120927497U CN214706062U CN 214706062 U CN214706062 U CN 214706062U CN 202120927497 U CN202120927497 U CN 202120927497U CN 214706062 U CN214706062 U CN 214706062U
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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 discloses a special-shaped lithium cell for light electric bicycle, it includes: the inner wall body and the outer wall body of the annular flexible packaging film shell are cylinders with upper and lower openings, the upper end surface and the lower end surface of the shell are annular, the inner wall body, the outer wall body, the upper end surface and the lower end surface are hermetically connected to form an annular cavity in the shell, and the shell surrounds a pore channel with the upper and lower openings; the battery cell is arranged in an annular cavity in the shell and comprises a positive plate, a diaphragm and a negative plate which are wound together, and the battery cell also comprises electrolyte filled in the annular cavity; the two plate bodies are hard circular plates and are respectively arranged on the upper end face and the lower end face of the shell, the outer diameters of the plate bodies are larger than the outer diameter of the shell and smaller than the inner diameter of the frame beam pipe, and a connecting piece is fixedly connected between the two plate bodies and penetrates through the pore channel. The utility model discloses a battery is favorable to light electric bicycle's compact design.
Description
Technical Field
The utility model relates to a lithium cell technical field, more specifically say, the utility model relates to a special-shaped lithium cell for light electric bicycle.
Background
Lithium batteries have the advantages of high energy density, long service life, small self-discharge and the like, and have become the main power sources of small household appliances and transportation appliances. However, most of the lithium batteries of the conventional electric bicycles are cubic, and cannot meet the requirements of various scenes. For example, the power supply of the portable electric bicycle is in a cubic shape and is hung behind or in front of the saddle, which affects the compact design of the portable electric bicycle and cannot achieve the aims of reasonably utilizing space and simplifying the posture. Therefore, it is desirable to design a technical solution that can overcome the above-mentioned drawbacks to a certain extent.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model discloses it is still another purpose to provide a special-shaped lithium cell for light electric bicycle, its cylinder through setting up the lithium cell into annular flexible packaging film casing parcel, the external diameter is less than the internal diameter of hollow beam pipe, is convenient for install in the frame roof beam intraductally. And the circular plate bodies with the diameter larger than the outer diameter of the shell are respectively arranged on the upper end surface and the lower end surface of the annular soft packaging film shell, so that the special-shaped lithium battery can be conveniently installed, detached and protected in the frame beam tube, and the compact design of the portable electric bicycle is facilitated.
In order to achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a special-shaped lithium battery for a portable electric bicycle, including:
the inner wall body and the outer wall body of the annular flexible packaging film shell are cylinders with upper and lower openings, the upper end surface and the lower end surface of the shell are annular, the inner wall body, the outer wall body, the upper end surface and the lower end surface are hermetically connected to form an annular cavity in the shell, and the shell surrounds a pore channel with the upper and lower openings;
the battery cell is arranged in an annular cavity in the shell and comprises a positive plate, a diaphragm and a negative plate which are wound together, and the battery cell also comprises electrolyte filled in the annular cavity in the shell;
the two plate bodies are hard circular plates and are respectively arranged on the upper end face and the lower end face of the shell, the outer diameters of the plate bodies are larger than the outer diameter of the shell and smaller than the inner diameter of the frame beam pipe, and a connecting piece is fixedly connected between the two plate bodies and penetrates through a hole channel formed by the surrounding of the shell.
Preferably, the flexible packaging film is an aluminum plastic film.
Preferably, the circle centers of the outer sides of the two plate bodies are provided with lugs, and the lugs are provided with through holes.
Preferably, one end of the tab electrically connected to the pole piece extends outside the plate body.
Preferably, the connecting piece is made of steel wires and soft heat-conducting silica gel.
Preferably, the steel wire and the soft heat-conducting silica gel are integrally formed and filled in a pore channel formed by the annular flexible packaging film shell in a surrounding mode, the steel wire is located in the center of the pore channel, and two ends of the steel wire rope are fixedly connected to the centers of the two plate bodies respectively.
Preferably, still include the shell body, it is made by heat conduction silica gel, annular flexible packaging film casing sets up in the shell body.
Preferably, the outer shell is in the shape of a cylindrical grid cover and comprises a plurality of flat rectangular grid strips, an upper-end inner cover, an upper-end outer cover, a lower-end inner cover and a lower-end outer cover; the plurality of flat rectangular grid strips are uniformly wound into a cylinder shape at intervals, the upper-end inner cover and the upper-end outer cover are arranged at the upper opening of the cylinder, and the lower-end inner cover and the lower-end outer cover are arranged at the lower opening of the cylinder;
the upper end inner cover is rotatably sleeved in the upper end outer cover, one long side of each rectangular grid strip is hinged with the upper end inner cover, and the other long side of each rectangular grid strip is fixedly connected with the upper end outer cover; the lower end inner cover and the lower end outer cover are the same as the upper end inner cover and the upper end outer cover in arrangement structure; the upper end outer cover and the lower end outer cover are deformable elastic cover bodies.
Preferably, the upper end inner cover, the upper end outer cover, the lower end inner cover and the lower end outer cover are all in a cylindrical shape with openings at the upper end and the lower end, and the two plate bodies are arranged outside the outer shell; the inner diameters of the upper end inner cover and the lower end inner cover are equal to the outer diameter of the annular flexible packaging film shell, and the upper end inner cover and the lower end inner cover are fixedly sleeved with the upper end and the lower end of the annular flexible packaging film shell respectively.
The utility model discloses at least, include following beneficial effect:
one, the utility model discloses a special-shaped lithium cell is the cylinder of annular flexible packaging membrane casing parcel, and the external diameter is less than the internal diameter of hollow beam pipe, is convenient for install in the car frame roof beam intraductally. And the circular plate bodies with the diameter larger than the outer diameter of the shell are respectively arranged on the upper end surface and the lower end surface of the annular soft packaging film shell, so that the special-shaped lithium battery can be conveniently installed, detached and protected in the frame beam tube, and the compact design of the portable electric bicycle is facilitated.
Second, the utility model discloses a set up the lug of band-pass hole on the outside centre of a circle of two plate bodys, the battery of being convenient for is at the intraductal installation of frame roof beam and change.
Thirdly, the utility model discloses a connecting piece is made by steel wire and soft heat conduction silica gel, and the temperature evenly distributed of the battery of being convenient for avoids local high temperature dangerous, the crooked beam tube installation of the different frames of still being convenient for.
Four, the utility model discloses a rotatory enclosing cover of shell body can make rectangular grid strip outwards expand or inwards retrieve, is favorable to special-shaped lithium cell at the intraductal installation of frame roof beam, dismantles and reduce the collision between battery and the frame roof beam pipe.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of a plate body of an implementation form of the special-shaped lithium battery for the portable electric bicycle of the present invention when unfolded;
fig. 2 is a schematic view of the arrangement of the panel body of the implementation of fig. 1 mounted on an annular flexible packaging film housing;
fig. 3 is a perspective enlarged structural diagram of an outer casing in another implementation form of the present invention;
fig. 4 is a schematic view of the overall structure of the outer case of fig. 3 disposed on an annular flexible packaging film case.
Wherein, the shell 1; a duct 2; a connecting member 3; a plate body 4; a lug 5; a through hole 6; grid bars 7; a fixed edge 8; a hinged edge 9; an upper end outer cap 10; an upper end inner cap 11; a lower end outer cap 12.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It should be noted that, in the description of the present invention, the directions or positional relationships indicated are the directions or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and the indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction is not understood as a limitation of the present invention.
In one embodiment, an implementation form of the lithium profile battery for mopeds as shown in fig. 1 and 2 includes:
the flexible packaging film comprises an annular flexible packaging film shell 1, wherein an inner wall body and an outer wall body of the shell 1 are cylinders with upper and lower openings, the upper end surface and the lower end surface of the shell 1 are annular, the inner wall body, the outer wall body, the upper end surface and the lower end surface are hermetically connected to form an annular cavity inside the shell 1, and the shell 1 surrounds a pore passage 2 with the upper and lower openings;
the battery cell is arranged in an annular cavity in the shell 1, and comprises a positive plate, a diaphragm and a negative plate which are wound together, and the battery cell also comprises electrolyte filled in the annular cavity in the shell 1;
two plate bodies 4, it is the stereoplasm circular slab, sets up respectively on two upper and lower terminal surfaces of casing 1, the external diameter of plate body 4 is greater than the external diameter of casing 1, is less than the internal diameter of frame beam pipe, fixedly connected with connecting piece 3 between two plate bodies 4, connecting piece 3 wears to establish in casing 1 encircles the pore 2 that forms.
The utility model discloses technical scheme's realization principle does: the frame beam pipe of the portable electric bicycle is a hollow beam pipe, and openings are reserved at two ends of the frame beam pipe or positions where power supplies are installed and used for installing batteries into the beam pipe. The utility model discloses a special-shaped lithium cell is the cylinder of 1 parcel of annular flexible packaging membrane casing, and the external diameter is less than the internal diameter of hollow beam pipe, is convenient for install in the car frame roof beam intraductally. And the upper end surface and the lower end surface of the annular soft packaging film shell 1 are respectively provided with a circular plate body 4 with the outer diameter larger than that of the shell 1, so that the special-shaped lithium battery can be conveniently installed, detached and protected in a frame beam tube, and the compact design of the portable electric bicycle is facilitated. During production, the outer diameter of the circular plate body 4 can be designed to be 2-3mm larger than that of the shell 1, and the outer diameter of the circular plate body 4 is 1-5mm smaller than that of the frame beam pipe.
In another technical scheme, the film of the flexible packaging film shell 1 is an aluminum plastic film.
In another technical scheme, the centers of the outer sides of the two plate bodies 4 are provided with lugs 5, and the lugs 5 are provided with through holes 6.
The realization principle of the technical scheme is as follows: the hook is hooked on the through hole 6 of the lug 5 through the rope auxiliary device with the hook, so that the battery arranged in the frame beam tube can be conveniently pulled out and replaced. When the device is installed, the auxiliary rope equipment with the hook can penetrate into the frame beam tube, openings are reserved at two ends of the frame beam tube, then the hook is hooked on the through hole 6 of the lug 5, and the battery is brought into the frame beam tube.
In another solution, one end of the tab electrically connected to the pole piece extends out of the plate body 4, so as to be electrically connected to an external circuit. The electrode lugs are respectively an anode lug and a cathode lug, one end of the anode lug is electrically connected with the anode piece, one end of the cathode lug is electrically connected with the cathode piece, and the other ends of the anode lug and the cathode lug are arranged outside the flexible packaging film and extend out of the plate body 4.
In another technical scheme, the connecting piece 3 is made of steel wires and soft heat-conducting silica gel. The soft heat-conducting silica gel has excellent flexibility and heat conductivity, so that the temperature of the battery is uniformly distributed, the danger of local high temperature is avoided, and the installation of bent beam pipes of different frames is facilitated.
In another technical scheme, the connecting piece 3 is formed by integrally filling a steel wire and soft heat-conducting silica gel into a hole channel 2 formed by the annular flexible packaging film shell 1 in a surrounding manner, the steel wire is positioned in the center of the hole channel 2, and two ends of the steel wire rope are respectively and fixedly connected to the centers of the two plate bodies 4.
In another technical scheme, the flexible packaging film comprises an outer shell, the outer shell is of a structure shown in fig. 3 and 4 and is made of heat-conducting silica gel, and the annular flexible packaging film shell 1 is arranged in the outer shell.
On the basis of the above implementation, as shown in fig. 3 and 4, the outer casing is in the shape of a cylindrical grille cover, which includes a plurality of flat rectangular grille strips 7, an upper-end inner cover 11, an upper-end outer cover 10, a lower-end inner cover, and a lower-end outer cover 12; the plurality of flat rectangular grid strips 7 are uniformly wound into a cylinder shape at intervals, the upper end inner cover 11 and the upper end outer cover 10 are arranged at the upper opening of the cylinder, and the lower end inner cover and the lower end outer cover 12 are arranged at the lower opening of the cylinder;
the upper end inner cover 11 is rotatably sleeved in the upper end outer cover 10, the long side of one side of each rectangular grid strip 7 is hinged with the upper end inner cover 11, the hinged side 9 of each grid strip 7 is shown in the figure, the long side of the other side of each rectangular grid strip 7 is fixedly connected with the upper end outer cover 10, and the fixed side 8 of each grid strip 7 is shown in the figure; the lower end inner cover and the lower end outer cover 12 are the same as the upper end inner cover 11 and the upper end outer cover 10 in arrangement structure; the upper end outer cover 10 and the lower end outer cover 12 are deformable elastic cover bodies. The upper end inner cover 11, the upper end outer cover 10, the lower end inner cover and the lower end outer cover 12 are all in a cylindrical shape with openings at the upper end and the lower end, and are used for placing the two plate bodies 4 outside the outer shell (as shown in the structure of fig. 4); the inner diameters of the upper end inner cover 11 and the lower end inner cover are equal to the outer diameter of the annular flexible packaging film shell 1, and the upper end inner cover 11 and the lower end inner cover are fixedly sleeved with the upper end and the lower end of the annular flexible packaging film shell 1 respectively.
The realization principle of the technical scheme is as follows: by rotating the outer covers 10 and 12, the rectangular grid strips 7 can be unfolded outwards or recovered inwards, so that the special-shaped lithium battery can be mounted and dismounted in the frame beam pipe, and the collision between the battery and the frame beam pipe is reduced. For example, when the outer cover rotates counterclockwise (arrow direction in fig. 3), the grid bars 7 are driven to rotate to make the flat sides of the grid bars close to the inner cover, that is, the flat sides of the grid bars 7 are tightly attached to the annular flexible packaging film shell 1, the outer diameter of the outer shell is reduced, the volume of the outer shell is reduced, and the battery can be conveniently taken out and mounted. When the outer cover rotates clockwise from the small state of outer casing body, drive grid 7 rotatory make its flat side keep away from the inner cover, namely make the flat side of grid 7 keep away from annular soft packaging film casing 1, only one side long limit of grid 7 hugs closely annular soft packaging film casing 1 (the state that the outer casing shows like figure 3), the external diameter grow of outer casing, the volume increase of outer casing, be convenient for the battery to fix in the frame beam pipe, reduce the collision between battery and the frame beam pipe. During production, the outer diameter of the outer shell when the flat side of the grid strip 7 is tightly attached to the annular flexible packaging film shell 1 can be designed to be 1-3mm smaller than the inner diameter of the vehicle frame beam tube, and when the flat side of the grid strip 7 is far away from the annular flexible packaging film shell 1, the outer diameter of the outer shell when only the long side of one side of the grid strip 7 is tightly attached to the annular flexible packaging film shell 1 is 3-7mm larger than the inner diameter of the vehicle frame beam tube.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (9)
1. A dysmorphism lithium cell for light electric bicycle, its characterized in that includes:
the inner wall body and the outer wall body of the annular flexible packaging film shell are cylinders with upper and lower openings, the upper end surface and the lower end surface of the shell are annular, the inner wall body, the outer wall body, the upper end surface and the lower end surface are hermetically connected to form an annular cavity in the shell, and the shell surrounds a pore channel with the upper and lower openings;
the battery cell is arranged in an annular cavity in the shell and comprises a positive plate, a diaphragm and a negative plate which are wound together, and the battery cell also comprises electrolyte filled in the annular cavity;
the two plate bodies are hard circular plates and are respectively arranged on the upper end face and the lower end face of the shell, the outer diameters of the plate bodies are larger than the outer diameter of the shell and smaller than the inner diameter of the frame beam pipe, and a connecting piece is fixedly connected between the two plate bodies and penetrates through the pore channel.
2. The shaped lithium battery for a moped as recited in claim 1, wherein the film of the flexible packaging film casing is an aluminum plastic film.
3. The special-shaped lithium battery for the portable electric bicycle according to claim 1, wherein a convex lug is arranged at the center of the outer circle of the two plate bodies, and a through hole is arranged on the convex lug.
4. The shaped lithium battery as claimed in claim 1, wherein one end of the tab electrically connected to the pole piece extends outside the plate body.
5. The lithium profile battery for a moped as claimed in claim 1, wherein the connecting member is made of steel wire and soft heat conductive silicone.
6. The lithium profile battery for a portable electric bicycle according to claim 5, wherein the connecting member is integrally formed by a steel wire and soft heat-conductive silica gel and filled in the hole, the steel wire is located at the center of the hole, and both ends of the steel wire are respectively fixedly connected to the centers of the two plate bodies.
7. The special-shaped lithium battery for the moped as recited in any one of claims 1 to 6, further comprising an outer case made of heat conductive silicone, wherein the annular soft packaging film case is disposed inside the outer case.
8. The shaped lithium battery for a handy electric bicycle according to claim 7, wherein said outer case is in the shape of a cylindrical grid cover comprising a plurality of flat rectangular grid bars, an upper inner cap, an upper outer cap, a lower inner cap and a lower outer cap; the plurality of flat rectangular grid strips are uniformly wound into a cylinder shape at intervals, the upper-end inner cover and the upper-end outer cover are arranged at the upper opening of the cylinder, and the lower-end inner cover and the lower-end outer cover are arranged at the lower opening of the cylinder;
the upper end inner cover is rotatably sleeved in the upper end outer cover, one long side of each rectangular grid strip is hinged with the upper end inner cover, and the other long side of each rectangular grid strip is fixedly connected with the upper end outer cover; the lower end inner cover and the lower end outer cover are the same as the upper end inner cover and the upper end outer cover in arrangement structure; the upper end outer cover and the lower end outer cover are deformable elastic cover bodies.
9. The shaped lithium battery as claimed in claim 8, wherein the upper inner cap, the upper outer cap, the lower inner cap and the lower outer cap are cylindrical with openings at the upper and lower ends, and the two plates are disposed outside the outer case; the inner diameters of the upper end inner cover and the lower end inner cover are equal to the outer diameter of the annular flexible packaging film shell, and the upper end inner cover and the lower end inner cover are fixedly sleeved with the upper end and the lower end of the annular flexible packaging film shell respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120927497.7U CN214706062U (en) | 2021-04-30 | 2021-04-30 | Special-shaped lithium battery for portable electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120927497.7U CN214706062U (en) | 2021-04-30 | 2021-04-30 | Special-shaped lithium battery for portable electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214706062U true CN214706062U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120927497.7U Active CN214706062U (en) | 2021-04-30 | 2021-04-30 | Special-shaped lithium battery for portable electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214706062U (en) |
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2021
- 2021-04-30 CN CN202120927497.7U patent/CN214706062U/en active Active
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