CN218586133U - Lithium battery power supply for electric wheelchair - Google Patents
Lithium battery power supply for electric wheelchair Download PDFInfo
- Publication number
- CN218586133U CN218586133U CN202220800776.1U CN202220800776U CN218586133U CN 218586133 U CN218586133 U CN 218586133U CN 202220800776 U CN202220800776 U CN 202220800776U CN 218586133 U CN218586133 U CN 218586133U
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- Prior art keywords
- lithium
- interface
- shell
- power supply
- iron phosphate
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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 a lithium battery power supply for electronic wheelchair, including being provided with a plurality of bellied shells, be provided with lithium cell group and battery management system BMS in the shell, the shell runs through and is provided with the interface and the interface that discharges that charge, lithium cell group includes the soft packet of lithium iron phosphate power lithium ion battery and the equipment board of a plurality of laminating arrangements, the utmost point ear of the soft packet of lithium iron phosphate power lithium ion battery establishes ties in proper order through the equipment board, the negative pole that is located the soft packet of lithium iron phosphate power lithium ion battery of outermost one side is connected with battery management system BMS electricity as total negative pole, the positive pole that is located the soft packet of lithium iron phosphate power lithium ion battery of outermost opposite side is connected with the positive wire electricity of the interface that charges and the interface wiring harness that discharges as total positive pole, the negative pole line of interface that charges and the interface wiring harness is connected with the pad electricity on the battery management system BMS that passes through the hole. The utility model discloses a soft packet of lithium cell of ferric phosphate, high temperature performance is excellent, and long service life can practice thrift use cost.
Description
Technical Field
The utility model relates to a lithium battery power supply for electronic wheelchair belongs to lithium ion battery technical field.
Background
The power supply is the key point for driving the electric wheelchair, and the market price of the electric wheelchair is higher due to factors such as the power supply and the like. At present, most electric wheelchairs use a ternary lithium ion battery as a power supply, and the ternary lithium ion battery has the advantages of high energy density, excellent low-temperature performance and the like, but has poor high-temperature performance, poor safety and relatively high use cost.
Disclosure of Invention
The utility model provides an electronic wheelchair that high temperature performance is excellent, use cost is low is with portable lithium battery power to it is not enough more than solving, its concrete technical scheme as follows:
the utility model provides a lithium battery power supply for electronic wheelchair, is including being provided with a plurality of bellied shells, be provided with lithium cell group and battery management system BMS in the shell, the shell runs through and is provided with the interface that charges and the interface that discharges, lithium cell group includes the soft packet of lithium iron phosphate power lithium ion battery and the equipment board that a plurality of laminating were arranged, the utmost point ear of the soft packet of lithium iron phosphate power lithium ion battery establishes ties in proper order through the equipment board, and the total negative pole and the battery management system BMS electricity of the soft packet of lithium iron phosphate power lithium ion battery that is located outermost one side are connected as the lithium cell group's total negative pole, and the lithium cell group's that is located outermost opposite side positive pole is connected as the total positive pole of lithium cell group and the positive pole line electricity of the interface that charges and discharge interface pencil, the negative pole line of the interface that charges and discharge interface pencil is connected with the pad electricity on the battery management system BMS.
Further, the housing includes a first shell and a second shell.
Furthermore, the first shell and the second shell are connected and fixed through self-tapping screws.
Further, the first shell is provided with a handle.
Further, the interface setting that charges is in first casing department, the interface and the arch of discharging all set up in second casing department.
Furthermore, EVA foam is laid in the first shell and the second shell.
Furthermore, the first shell, the second shell and the EVA foam are made of flame-retardant materials.
Furthermore, the lithium battery pack is sleeved with a protective sleeve, and the protective sleeve is made of epoxy resin materials.
Furthermore, the assembly plate is made of a PCB material, a copper-clad soldering tin layer is electroplated on the surface of the assembly plate, a plurality of pole ear holes are formed in the assembly plate, and pole ears of the lithium iron phosphate power soft package lithium ion battery penetrate through the pole ear holes and are welded on the copper-clad soldering tin layer in a bending mode.
Furthermore, be provided with the protective cover cap on the interface charges.
The utility model has the advantages that:
the utility model discloses select soft packet of lithium ion battery of lithium iron phosphate power for use as the power and use, compare in ternary lithium ion battery, soft packet of lithium ion battery life of lithium iron phosphate power is high, can practice thrift use cost, and the more important soft packet of lithium ion battery of lithium iron phosphate power security can obtain guaranteeing, and high temperature performance is excellent.
The utility model discloses a shell is provided with a plurality of archs, and the protruding draw-in groove of battery compartment in can aiming at electronic wheelchair plays the fixed action, avoids the power to remove in the battery compartment.
The utility model discloses a shell is provided with the handle, has made things convenient for mentioning, removing or carrying etc. of power greatly.
The shell and the EVA foam in the shell of the utility model are made of flame retardant materials, so that the safety of the electric wheelchair is further improved.
The utility model discloses a lithium cell group cover is equipped with the lag, and the lag adopts the epoxy material, can play insulating effect.
Drawings
Figure 1 is an exploded view of the overall structure of the present invention,
figure 2 is a plan view of a first housing structure of the invention,
figure 3 is a plan view of a second housing construction of the invention,
in the figure: the method comprises the following steps of 1-a handle, 2-a second shell, 3-a charging interface, 4-lithium iron phosphate power soft package lithium ion battery, 5-a battery management system BMS, 6-a protective sleeve, 7-an assembly plate, 8-a first shell, 9-a discharging interface, 10-EVA foam and 11-bulges.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1, the utility model discloses a shell is provided with lithium cell group and battery management system BMS5 in the shell. The shell includes first casing 8 and second casing 2, and first casing 8 and second casing 2 pass through self tapping screw connection fixed, make things convenient for opening and shutting of shell. One side of first casing 8 is provided with handle 1, and is convenient the utility model discloses a mention, remove or carry etc. First casing 8 runs through and is provided with interface 3 that charges, is provided with protective cover cap (not shown in the figure) on the interface 3 that charges, and protective cover cap can protect interface 3 that charges. Both sides of second casing 2 all are provided with a plurality of archs 11, and protruding 11 can aim at the draw-in groove of battery compartment in the electronic wheelchair, play the fixed action, avoid the power to remove in the battery compartment. The second housing 2 is provided with a discharge port 9. All laid the cotton 10 of EVA bubble that 3mm is thick in first casing 8 and the second casing 2, first casing 8, second casing 2 and the cotton 10 all adopt flameresistant material of EVA bubble. In case of fire, the flame-retardant material can avoid further expansion of fire to a certain extent, and the safety of the electric wheelchair is improved.
The lithium battery pack is sleeved with a protective sleeve 6, and the protective sleeve 6 is made of epoxy resin materials and plays an insulating role. Lithium cell group includes the soft packet of lithium iron phosphate power lithium ion battery 4 and the equipment board 7 that 8 laminating were arranged, and lithium iron phosphate power soft packet of lithium ion battery 4's utmost point ear is established ties in proper order through equipment board 7. The assembling plate 7 is made of a PCB material and is electroplated with a copper-clad soldering tin layer on the surface of the assembling plate 7, a plurality of pole ear holes are formed in the assembling plate 7, and pole ears of the lithium iron phosphate power soft-package lithium ion battery 4 penetrate through the pole ear holes and are welded on the copper-clad soldering tin layer in a bending mode. The negative pole of the lithium iron phosphate power soft package lithium ion battery 4 located on one side of the outermost side is electrically connected with the battery management system BMS5 as the total negative pole of the lithium battery pack, the positive pole of the lithium iron phosphate power soft package lithium ion battery 4 located on the other side of the outermost side is electrically connected with the positive pole line of the charging interface 3 and the discharging interface 9 wire harness as the total positive pole of the lithium battery pack, and the negative pole line of the charging interface 3 and the discharging interface 9 wire harness is electrically connected with the via hole welding pad on the battery management system BMS5.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a lithium battery power supply for electronic wheelchair, a serial communication port, including the shell that is provided with a plurality of archs (11), be provided with lithium cell group and battery management system BMS (5) in the shell, the shell runs through and is provided with interface (3) and the interface (9) of discharging that charge, lithium cell group is including lithium iron phosphate power soft packet lithium ion battery (4) and equipment board (7) that a plurality of laminating were arranged, the utmost point ear of lithium iron phosphate power soft packet lithium ion battery (4) establishes ties in proper order through equipment board (7), and the negative pole that is located lithium iron phosphate power soft packet lithium ion battery (4) of outermost one side is connected with battery management system BMS (5) electricity as the total negative pole of lithium cell group, and the positive pole that is located the lithium iron phosphate power soft packet lithium ion battery (4) of outermost opposite side is connected with the positive pole electricity of interface (3) pencil and interface (9) of discharging, the negative pole line of interface (3) and interface (9) pencil of discharging is connected with the pad electricity on the battery management system BMS (5) of charging.
2. A lithium battery power supply for electric wheelchair in accordance with claim 1, characterized in that: the housing comprises a first shell (8) and a second shell (2).
3. The lithium battery power supply for electric wheelchair as claimed in claim 2, wherein: the first shell (8) and the second shell (2) are connected and fixed through self-tapping screws.
4. A lithium battery power supply for electric wheelchair in accordance with claim 2, characterized in that: the first shell (8) is provided with a handle (1).
5. The lithium battery power supply for electric wheelchair as claimed in claim 2, wherein: the interface (3) that charges sets up in first casing (8) department, interface (9) and arch (11) all set up in second casing (2) department of discharging.
6. A lithium battery power supply for electric wheelchair in accordance with claim 2, characterized in that: EVA foam (10) is laid in the first shell (8) and the second shell (2).
7. The lithium battery power supply for electric wheelchair as claimed in claim 6, wherein: the first shell (8), the second shell (2) and the EVA foam (10) are made of flame-retardant materials.
8. The lithium battery power supply for electric wheelchair as claimed in claim 1, wherein: the lithium battery pack is sleeved with a protective sleeve (6), and the protective sleeve (6) is made of epoxy resin materials.
9. The lithium battery power supply for electric wheelchair as claimed in claim 1, wherein: the assembling plate (7) is made of a PCB material, a copper-clad soldering tin layer is electroplated on the surface of the assembling plate (7), a plurality of pole ear holes are formed in the assembling plate (7), and pole ears of the lithium iron phosphate power soft package lithium ion battery (4) penetrate through the pole ear holes and are welded on the copper-clad soldering tin layer in a bending mode.
10. The lithium battery power supply for electric wheelchair as claimed in claim 1, wherein: and a protective cap is arranged on the charging interface (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220800776.1U CN218586133U (en) | 2022-04-08 | 2022-04-08 | Lithium battery power supply for electric wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220800776.1U CN218586133U (en) | 2022-04-08 | 2022-04-08 | Lithium battery power supply for electric wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218586133U true CN218586133U (en) | 2023-03-07 |
Family
ID=85358797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220800776.1U Active CN218586133U (en) | 2022-04-08 | 2022-04-08 | Lithium battery power supply for electric wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218586133U (en) |
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2022
- 2022-04-08 CN CN202220800776.1U patent/CN218586133U/en active Active
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