CN108550937B - Rechargeable battery with built-in wireless charging coil - Google Patents
Rechargeable battery with built-in wireless charging coil Download PDFInfo
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- CN108550937B CN108550937B CN201810415735.9A CN201810415735A CN108550937B CN 108550937 B CN108550937 B CN 108550937B CN 201810415735 A CN201810415735 A CN 201810415735A CN 108550937 B CN108550937 B CN 108550937B
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- wireless charging
- charging coil
- circuit board
- battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/46—Accumulators structurally combined with charging apparatus
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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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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a rechargeable battery with a built-in wireless charging coil, which comprises a battery shell, a battery cell arranged in the battery shell, a positive electrode assembly, a negative electrode assembly, a wireless charging coil and a PCB circuit board connected with the wireless charging coil, wherein the wireless charging coil is arranged between the negative electrode assembly and the battery cell or between the positive electrode assembly and the battery cell, the PCB circuit board is provided with a positive electrode lead and a negative electrode lead, and the positive electrode lead and the negative electrode lead are respectively and correspondingly connected with the positive electrode assembly and the negative electrode assembly. This rechargeable battery directly places the battery in with wireless charging coil in, wireless charging coil combines in an organic whole with battery itself, and built-in simultaneously has PCB circuit board to control wireless charging, make full use of battery inner space realizes wireless charging, compact structure, the convenience of charging, anytime and anywhere can carry out wireless charging, even when using, use while charging, do not have the puzzlement of using after cutting off the power supply completely, charge efficiency is high, convenient and fast, specific extensive application prospect.
Description
Technical Field
The invention relates to the technical field of rechargeable batteries, in particular to a rechargeable battery with a built-in wireless charging coil.
Background
With the advancement of science and technology, electronic products are also developed vigorously, the products are changed day by day, the update iteration cycle is shorter and shorter, the functions and the purposes of electronic terminals are more and more, and the use is more and more frequent. Frequent use and increased functionality inevitably increase the power consumption of the battery, and the frequency of charging the battery is also high.
Obviously, frequent charging brings inconvenience to users, and this is also a point that many mobile phone manufacturers pursue battery capacity again and again, even the battery capacity is used as a product sales promotion point. Experts predict that future electronic products will replace the traditional data line charging mode with a wireless charging mode. For example, the wireless charging function was developed in the 8 th generation of iphones.
Moreover, many existing wireless charging fevers are externally connected with wireless charging electronic products without wireless charging function. Therefore, the wireless charging mode will be a future development trend.
However, most of the current electronic products, such as remote controllers and mice, which use the aluminum shell battery, do not have a rechargeable battery, and even if the rechargeable battery is used, the rechargeable battery is also charged by a charging wire. This charging method is inconvenient and requires a charging cable to be prepared at any time.
Wired charging limits the use of electronic products by people. At present, a small part of wireless charging electronic products are charged wirelessly, and some of the wireless charging electronic products are provided with a wireless charging receiver on a product shell, such as a mobile phone cover or a mobile phone shell, connect a wireless charger with a mobile phone, and then place the wireless charging receiver on a special wireless charger for charging. This approach is not applicable to cylindrical cells or aluminum-can cells.
Disclosure of Invention
In view of this, a rechargeable battery with a built-in wireless charging coil, which has a compact structure, is convenient for wireless charging, and saves energy and reduces consumption, is provided.
The utility model provides a rechargeable battery of built-in wireless charging coil, includes the battery case and adorns electric core, anodal subassembly and the negative pole subassembly in the battery case, wherein, still include wireless charging coil and with the PCB circuit board that wireless charging coil is connected, wireless charging coil is located between negative pole subassembly and the electric core or is located between anodal subassembly and the electric core, the PCB circuit board has anodal lead wire and negative pole lead wire, anodal lead wire and negative pole lead wire are connected in anodal subassembly and negative pole subassembly respectively correspondingly.
Preferably, the wireless charging coil is attached to the circumferential edge position of the PCB circuit board.
Preferably, the negative pole subassembly includes end cover and negative pole contact piece, the end cover has the negative pole through-hole, the negative pole contact piece is worn out the negative pole through-hole, the negative pole contact piece combines on the PCB circuit board, the periphery of negative pole contact piece is located to the wireless charging coil ring.
Preferably, positive pole subassembly includes end cover and anodal contact, the end cover has anodal through-hole, anodal contact is worn out anodal through-hole, anodal contact combines on the PCB circuit board, the periphery of anodal contact is located to the wireless charging coil ring.
Preferably, the end cover includes the lid and by the inside cap edge that extends of lid edge, the end cover pressfitting in the coil, end cover, wireless charging coil, PCB circuit board and the coaxial setting of electric core.
Preferably, rechargeable battery is the column battery, the lid of end cover is cyclic annular, wireless charging coil is cyclic annular, the PCB circuit board is the plectane, and each contact is circular or annular contact, the electric core is the column, the external diameter of PCB circuit board, wireless charging coil's external diameter is roughly the same with the cap limit internal diameter.
Preferably, the PCB circuit board has a first surface and a second surface, the first surface is provided with a plurality of electronic components, each contact is integrally formed on the second surface of the PCB circuit board, and the wireless charging coil is integrally formed on the second surface of the PCB circuit board.
Preferably, a wireless charging circuit layer and an insulating joint layer are formed on the second surface of the PCB, the wireless charging circuit layer is provided with a wireless charging circuit to form the wireless charging coil, the wireless charging circuit surrounds the electrode layer, the electrode layer is located at the circle center position of the wireless charging circuit and is insulated from the wireless charging circuit, and each contact piece is attached to the insulating joint layer.
Preferably, an insulating spacer is arranged between the PCB and the battery core.
Preferably, the wireless charging circuit layer is printed or etched on the second surface of the PCB circuit board, and each contact is adhered to the insulating bonding layer by glue.
Among the rechargeable battery of above-mentioned built-in wireless charging coil, directly place the battery in with wireless charging coil in, wireless charging coil combines in an organic whole with battery itself, and built-in simultaneously has PCB circuit board to control wireless charging, and be connected with anodal subassembly and negative pole subassembly, do not occupy the battery inner space basically, do not basically increase battery size and shape itself, wireless charging coil and PCB circuit board close combination in the battery, compact structure. Due to the adoption of the built-in mode, wireless charging can be carried out anytime and anywhere, even when the charging device is used, the charging is carried out while the charging is carried out, the trouble of stopping use after power failure is completely avoided, the wireless charging is more convenient and faster, and in addition, the wireless charging mode is adopted, so that the energy is saved, the consumption is reduced, the charging efficiency is high, and the charging speed is high. Especially for the cylindrical battery, the cross section is circular by full use of, and the wireless charging coil can be conveniently combined in the battery cross section structure.
Drawings
Fig. 1 is a schematic front view of a rechargeable battery with a built-in wireless charging coil according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a rechargeable battery with a built-in wireless charging coil according to an embodiment of the present invention.
Fig. 3 is a schematic perspective exploded view of a rechargeable battery with a built-in wireless charging coil according to an embodiment of the present invention.
Fig. 4 is a schematic perspective exploded view of a rechargeable battery with a built-in wireless charging coil according to another angle in the embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments and the accompanying drawings.
Referring to fig. 1 to 4, a rechargeable battery 100 with a built-in wireless charging coil according to an embodiment of the present invention is shown, including a battery case 10, a battery cell 20 mounted in the battery case, a positive electrode assembly 30, a negative electrode assembly 40, a wireless charging coil 50, and a PCB circuit board 60 connected to the wireless charging coil 50, in this embodiment, the wireless charging coil 50 is disposed between the negative electrode assembly 40 and the battery cell 20, the PCB circuit board 60 has a positive electrode lead and a negative electrode lead, and the positive electrode lead and the negative electrode lead are correspondingly connected to the negative electrode assembly 40.
Specifically, the illustrated battery is preferably a cylindrical battery, and the cross-section is circular, so that the wireless charging coil 50 can be easily integrated into the battery cross-sectional structure. Of course, the battery may be in any other shape, and is not limited thereto. The battery case 10 is cylindrical, preferably an aluminum case or a plastic case, and the exterior of the battery case 10 may further be covered with a label paper or other insulating layer. The battery core 20 is cylindrical and is packaged in the battery case 10. Of course, the battery may be in any other shape, and is not limited thereto. However, the present invention preferably uses a cylindrical battery to facilitate the use of the ring shape of the wireless charging coil.
The positive pole assembly 30 comprises a positive pole end cover 31 and a positive pole contact 32, wherein the positive pole end cover 31 is provided with a positive pole through hole 311, and the positive pole contact 32 penetrates through the positive pole through hole 311. The positive contact 32 penetrates through the positive through hole 311 and preferably protrudes out of a part of the positive through hole 311, so that contact is facilitated. The negative pole assembly 40 comprises a negative pole end cover 41 and a negative pole contact piece 42, wherein the negative pole end cover 41 is provided with a negative pole through hole 411, the negative pole contact piece 42 penetrates through the negative pole through hole 42, and the negative pole contact piece 42 penetrates through the negative pole through hole 42 and then can be flush with the outer surface of the negative pole end cover 41 or slightly protrude. The negative contact 42 is convex or dome-shaped or spherical-crown-shaped. The negative contact 42 is combined on the PCB circuit board 60, and the wireless charging coil 50 is looped around the negative contact 42.
Preferably, the positive end cap 31 includes a positive cover 312 and a positive cover brim 313 extending inward from the edge of the positive cover 312, the negative end cap 41 includes a negative cover 412 and a negative cover brim 413 extending inward from the edge of the negative cover, the negative end cap 41 is press-fitted to the coil 50, and the positive end cap 31, the negative end cap 41, the wireless charging coil 50, the PCB 60 and the battery cell 20 are coaxially disposed.
Preferably, the cover body 311 of the end cover 31 is annular, the wireless charging coil 50 is annular, the PCB circuit board 60 is a circular plate, each contact piece is a circular or annular contact piece or a protrusion, and the battery cell 20 is cylindrical. More preferably, the outer diameter of the PCB circuit board 60, the outer diameter of the wireless charging coil 50 is substantially the same as the inner diameter of the cap rim 313 or 413. Like this, can fully accomplish wireless charging coil 50 and PCB circuit board 60 enough big, reinforcing charge efficiency, make full use of current space.
The PCB circuit board 60 has a first surface 61 and a second surface 62, said first surface 61 being provided with a plurality of electronic components in the form of a printed circuit board structure. Negative contact 42 (or positive contact 32 when provided at the positive terminal) is integrally formed on second surface 62 of PCB circuit board 60 and wireless charging coil 50 is integrally formed on second surface 62 of PCB circuit board 60.
Preferably, the second surface 2 of the PCB 60 is formed with a wireless charging circuit layer and an insulating joint layer, the wireless charging circuit layer has a wireless charging circuit to form the wireless charging coil 50, the wireless charging circuit surrounds the electrode layer, the electrode layer is located at the center of the wireless charging circuit and is insulated from the wireless charging circuit, and each contact is attached to the insulating joint layer 6. Preferably, the wireless charging circuit layer is printed or etched on the second surface 62 of the PCB 60, and each contact is adhered to the insulating bonding layer by glue.
In addition, an insulating spacer, i.e., a spacer, is disposed between the PCB 60 and the battery cell 20. The surface of the battery cell 20 is provided with a wiring groove along the axial direction, and the positive lead or the negative lead of the PCB 60 is respectively led to the corresponding positive component 30 and the negative component 40 through the wiring groove.
In another embodiment of the present invention, the wireless charging coil 50 is disposed between the positive electrode assembly 30 and the end surface of the battery cell 20, and the PCB circuit board 60 is located at the end surfaces of the wireless charging coil 50 and the battery cell 20. Of course, an insulating spacer may be further disposed between the PCB 60 and the battery cell 20, and other structures are substantially the same and will not be described herein again.
When the wireless charging device is used, the battery 100 is placed in a coaxial mode of the wireless charging coil 50 and the external discharging transmitting coil, the external discharging transmitting coil automatically charges the battery 100 in a wireless mode, the trouble of winding and storing a circuit is avoided, the battery does not need to be taken out for charging, the battery can be automatically charged in an electronic product, even in the using process, the battery can be charged unconsciously, the battery endurance problem is not worried, and the problem of too fast battery consumption is not worried during use. In addition, as long as the external discharge transmitting power is large enough or the development and application of a future remote wireless charging technology are relied on, charging can be carried out at a longer distance, one external discharge transmitting coil can simultaneously supply power to a plurality of wireless charging batteries 100, the wireless charging battery is convenient and quick, energy is saved, emission is reduced, and the wireless charging battery has a wide application prospect, and is also suitable for future electronic products.
Therefore, in the rechargeable battery 100 with the built-in wireless charging coil 50, the wireless charging coil is directly built in the battery, the wireless charging coil 50 is combined with the battery 100, meanwhile, the built-in PCB circuit board 60 is arranged to control wireless charging, the wireless charging coil is connected with the positive electrode assembly 30 and the negative electrode assembly 40, the internal space of the battery 100 is basically not occupied, the size and the shape of the battery 100 are basically not increased, the wireless charging coil 50 is tightly combined with the PCB circuit board 60 in the battery 100, and the structure is compact. Due to the adoption of the built-in mode, wireless charging can be carried out anytime and anywhere, even when the charging device is used, the charging is carried out while the charging is carried out, the trouble of stopping use after power failure is completely avoided, the wireless charging is more convenient and faster, and in addition, the wireless charging mode is adopted, so that the energy is saved, the consumption is reduced, the charging efficiency is high, and the charging speed is high. Especially for the cylindrical battery, the cross section is circular by full use of, and the wireless charging coil can be conveniently combined in the battery cross section structure. .
It should be noted that the present invention is not limited to the above-mentioned embodiments, and other changes and modifications can be made by those skilled in the art according to the spirit of the present invention, and these changes and modifications made according to the spirit of the present invention should be included in the scope of the present invention as claimed.
Claims (9)
1. A rechargeable battery with a built-in wireless charging coil comprises a battery shell, and an electric core, an anode assembly and a cathode assembly which are arranged in the battery shell, and is characterized by further comprising the wireless charging coil and a PCB circuit board connected with the wireless charging coil, wherein the wireless charging coil is arranged between the cathode assembly and the electric core or between the anode assembly and the electric core, the PCB circuit board is provided with an anode lead and a cathode lead, the anode lead and the cathode lead are respectively and correspondingly connected with the anode assembly and the cathode assembly, the battery is a cylindrical battery, the electric core is cylindrical, the wireless charging coil is attached to the circumferential edge position of the PCB circuit board, the PCB circuit board is provided with a first surface and a second surface, a wireless charging circuit layer and an insulating joint layer are formed on the second surface of the PCB circuit board, and the wireless charging circuit layer is provided with a wireless charging circuit to form the wireless charging coil, the wireless charging circuit surrounds the electrode layer, and the electrode layer is located wireless charging circuit centre of a circle position and with wireless charging circuit insulation interval.
2. The rechargeable battery with a built-in wireless charging coil of claim 1, wherein the negative electrode assembly comprises an end cover and a negative electrode contact piece, the end cover is provided with a negative electrode through hole, the negative electrode contact piece penetrates through the negative electrode through hole, the negative electrode contact piece is combined on a PCB circuit board, and the wireless charging coil is arranged around the negative electrode contact piece.
3. The rechargeable battery with a built-in wireless charging coil of claim 1, wherein the positive electrode assembly comprises an end cover and a positive electrode contact, the end cover is provided with a positive electrode through hole, the positive electrode contact penetrates through the positive electrode through hole, the positive electrode contact is combined on a PCB circuit board, and the wireless charging coil is arranged around the periphery of the positive electrode contact.
4. The rechargeable battery with a built-in wireless charging coil of claim 2 or 3, wherein the end cap comprises a cap body and a cap edge extending inwards from the edge of the cap body, the end cap is press-fitted on the coil, and the end cap, the wireless charging coil, the PCB circuit board and the battery cell are coaxially arranged.
5. The rechargeable battery with a built-in wireless charging coil of claim 4, wherein the cover body of the end cap is annular, the wireless charging coil is annular, the PCB circuit board is a circular plate, each contact is a circular contact or an annular contact, and the outer diameter of the PCB circuit board and the outer diameter of the wireless charging coil are substantially the same as the inner diameter of the cap rim.
6. The rechargeable battery with built-in wireless charging coil of claim 2 or 3, wherein the first surface is provided with a plurality of electronic components, each contact is integrally formed on the second surface of the PCB circuit board, and the wireless charging coil is integrally formed on the second surface of the PCB circuit board.
7. The rechargeable battery with an internal wireless charging coil of claim 6, wherein each contact is attached to the insulating attachment layer.
8. The rechargeable battery with an internal wireless charging coil of claim 7, wherein the PCB circuit board and the battery core have an insulating separator therebetween.
9. The rechargeable battery with an embedded wireless charging coil of claim 7, wherein the wireless charging circuit layer is printed or etched on the second surface of the PCB circuit board, and each contact is adhered to the insulating bonding layer by glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415735.9A CN108550937B (en) | 2018-05-03 | 2018-05-03 | Rechargeable battery with built-in wireless charging coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415735.9A CN108550937B (en) | 2018-05-03 | 2018-05-03 | Rechargeable battery with built-in wireless charging coil |
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| Publication Number | Publication Date |
|---|---|
| CN108550937A CN108550937A (en) | 2018-09-18 |
| CN108550937B true CN108550937B (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810415735.9A Active CN108550937B (en) | 2018-05-03 | 2018-05-03 | Rechargeable battery with built-in wireless charging coil |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109461981B (en) * | 2018-10-23 | 2020-08-04 | 深圳市爱迪芯科技有限公司 | Wireless charging type rechargeable battery |
| CN109461982A (en) * | 2018-11-22 | 2019-03-12 | 广东微电新能源有限公司 | A kind of wireless charging battery device and cradle |
| CN110429354A (en) * | 2019-08-23 | 2019-11-08 | 广东顺德盛善能源科技有限公司 | A kind of wireless charging battery module |
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| CN102544615A (en) * | 2011-12-14 | 2012-07-04 | 李鹏 | Wireless charging battery |
| CN202997002U (en) * | 2011-12-30 | 2013-06-12 | 海尔集团公司 | Wireless rechargeable battery |
| CN104092020A (en) * | 2014-07-02 | 2014-10-08 | 深圳市信维通信股份有限公司 | NFC and wireless charging antenna |
| CN106340940A (en) * | 2016-09-22 | 2017-01-18 | 东北大学 | Wireless charging battery |
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| CN107910961A (en) * | 2017-12-28 | 2018-04-13 | 李朵芳 | It is a kind of can wireless charging battery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204668426U (en) * | 2015-05-27 | 2015-09-23 | 湖南立方新能源科技有限责任公司 | There is the lithium battery of wireless charging function |
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2018
- 2018-05-03 CN CN201810415735.9A patent/CN108550937B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544615A (en) * | 2011-12-14 | 2012-07-04 | 李鹏 | Wireless charging battery |
| CN202997002U (en) * | 2011-12-30 | 2013-06-12 | 海尔集团公司 | Wireless rechargeable battery |
| CN104092020A (en) * | 2014-07-02 | 2014-10-08 | 深圳市信维通信股份有限公司 | NFC and wireless charging antenna |
| CN106340940A (en) * | 2016-09-22 | 2017-01-18 | 东北大学 | Wireless charging battery |
| CN206353711U (en) * | 2016-12-30 | 2017-07-25 | 江苏紫米电子技术有限公司 | A kind of wireless charging device for battery |
| CN107910961A (en) * | 2017-12-28 | 2018-04-13 | 李朵芳 | It is a kind of can wireless charging battery |
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| CN108550937A (en) | 2018-09-18 |
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