CN110277646B - Wireless charging stereo antenna for electronic equipment - Google Patents
Wireless charging stereo antenna for electronic equipment Download PDFInfo
- Publication number
- CN110277646B CN110277646B CN201910451553.1A CN201910451553A CN110277646B CN 110277646 B CN110277646 B CN 110277646B CN 201910451553 A CN201910451553 A CN 201910451553A CN 110277646 B CN110277646 B CN 110277646B
- Authority
- CN
- China
- Prior art keywords
- coil
- horizontal
- wireless charging
- dimensional
- line part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005452 bending Methods 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
-
- H02J7/025—
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a wireless charging three-dimensional antenna for electronic equipment, which comprises a coil group, wherein the coil group comprises a first coil and a second coil which are arranged in central symmetry, the first coil and the second coil respectively comprise a horizontal coil part and a three-dimensional coil part, the horizontal coil part and the three-dimensional coil part are connected to form a coil, a first turn end of the first coil is used as an input end of the coil group, a second turn end of the first coil is connected with a second turn end of the second coil, and a first turn end of the second coil is used as an output end of the coil group. The wireless charging stereo antenna for the electronic equipment has the advantages of scientific design, strong practicability, wide magnetic field coverage range and high coil-to-coil transmission efficiency.
Description
Technical Field
The invention relates to the field of wireless charging, in particular to a wireless charging stereo antenna for electronic equipment.
Background
Wireless charging is also called inductive charging or non-contact charging, and the power supply device supplies electric energy to the power receiving device in a wireless manner. Currently, wireless charging methods include magnetic induction charging and magnetic resonance charging. The magnetic induction charging is to generate a certain current in the secondary coil by electromagnetic induction by generating an alternating current with a certain frequency in the primary coil, thereby transferring energy from the transmission end to the receiving end. The current power supply device mostly adopts a planar coil, and the power receiving device needs to be flatly placed on the power supply device, so that a secondary coil of the power receiving device can be in maximum inductive contact with a primary coil of the power supply device, and the charging effect is extremely poor when the power receiving device is vertically placed. With the increasing variety of electronic devices, such as tablet computers, mobile phones, watches, etc., the planar power supply device cannot charge multiple devices at the same time.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the wireless charging stereo antenna for the electronic equipment, which has the advantages of scientific design, strong practicability, wide magnetic field coverage range and high coil-to-coil transmission efficiency.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a wireless stereoscopic antenna that charges for electronic equipment, includes coil assembly, coil assembly is including being the first coil and the second coil that centrosymmetric set up, first coil with the second coil includes horizontal coil portion and three-dimensional coil portion respectively, and horizontal coil portion and three-dimensional coil portion connect and constitute the coil, and the first turn end of first coil is as the input of coil assembly, and the second turn end of first coil is connected the second turn end of second coil, and the first turn end of second coil is as the output of coil assembly.
In view of the above, the horizontal coil portion includes a first diagonal portion and a second diagonal portion, one end of the first diagonal portion is used as the first turn end of the first coil or the second coil, the other end of the first diagonal portion is connected to one end of the three-dimensional coil portion, the other end of the three-dimensional coil portion is connected to one end of the second diagonal portion, and the other end of the second diagonal portion is used as the second turn end of the first coil or the second coil.
In view of the above, the three-dimensional coil part includes the first vertical part, the second vertical part, and the horizontal part, wherein the top end of the first vertical part is connected to one end of the horizontal part, the other end of the horizontal part is connected to the top end of the second vertical part, and the bottom end of the first vertical part and the bottom end of the second vertical part are respectively connected to the horizontal coil part to form the coil.
Based on the above, the first vertical line portion, the second vertical line portion, and the horizontal line portion are each arc-shaped.
Based on the above, the first coil and the second coil respectively have a plurality of turns.
Based on the above, the first coil and the second coil have five turns respectively.
Based on the above, the coil sets are multiple, the input ends of each coil set are connected with each other, and the output ends of each coil set are connected with each other.
Based on the above, the coil sets are three.
Compared with the prior art, the three-dimensional coil set has outstanding substantive characteristics and remarkable progress, and particularly, the three-dimensional coil set is formed by arranging the first coil and the second coil in a central symmetry mode, the winding directions of the first coil and the second coil are opposite, the distribution and coverage directions of magnetic lines of force are multiple, the range is wide, and the three-dimensional coil set has the advantages of scientific design, strong practicability, wide magnetic field coverage range and high coil-to-coil transmission efficiency.
Drawings
FIG. 1 is a schematic diagram of a top view of a coil assembly of the present invention;
FIG. 2 is a schematic diagram of a side view of the coil assembly of the present invention;
FIG. 3 is a schematic diagram of a top view of a three-dimensional antenna composed of three coil sets according to the present invention;
FIG. 4 is a schematic perspective view of a three-dimensional antenna composed of three coil sets according to the present invention;
FIG. 5 is a schematic diagram of the magnetic line distribution structure of the coil assembly of the present invention;
FIG. 6 is a schematic diagram of the current direction in the coil assembly of the present invention;
in the figure: 1. a first diagonal portion; 2. a second diagonal portion; 3. a first vertical line portion; 4. a second vertical line portion; 5. a horizontal line portion.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
As shown in fig. 1, 2, 3, 4, 5, and 6, a wireless charging stereo antenna for an electronic device includes a coil assembly including a first coil and a second coil arranged in a central symmetry manner, the first coil and the second coil respectively include a horizontal coil portion and a stereo coil portion, the horizontal coil portion and the stereo coil portion are connected to form a coil, a first turn end of the first coil is used as an input end of the coil assembly, a second turn end of the first coil is connected to a second turn end of the second coil, and the first turn end of the second coil is used as an output end of the coil assembly.
The first coil and the second coil are arranged in a central symmetry mode, the second turn end of the first coil is connected with the second turn end of the second coil, and the winding direction of the first coil is opposite to that of the second coil. The current is input from the first turn end of the first coil and output from the first turn end of the second coil, the three-dimensional magnetic field generated by the coil group has uniform magnetic force line distribution and more coverage ranges and angles, the charging equipment has effective magnetic force lines to pass through when being placed vertically, horizontally and obliquely, and the charging efficiency is high. In practice, the three-dimensional antenna includes a plurality of coil sets, the input terminals of each coil set are connected to each other, and the output terminals of each coil set are connected to each other, that is, the plurality of coil sets are connected in parallel to each other, so as to effectively improve the quality factor of the coil antenna. In this embodiment, there are three coil sets.
Specifically, the horizontal coil portion includes a first diagonal portion and a second diagonal portion, one end of the first diagonal portion serves as a first turn end of the first coil or the second coil, the other end of the first diagonal portion is connected to one end of the three-dimensional coil portion, the other end of the three-dimensional coil portion is connected to one end of the second diagonal portion, and the other end of the second diagonal portion serves as a second turn end of the first coil or the second coil. The three-dimensional coil part comprises a first vertical line part, a second vertical line part and a horizontal line part, wherein the top end of the first vertical line part is connected with one end of the horizontal line part, the other end of the horizontal line part is connected with the top end of the second vertical line part, and the bottom end of the first vertical line part and the bottom end of the second vertical line part are respectively connected with the horizontal coil part to form the coil. One end of the first diagonal line part is used as a first turn end of the first coil or the second coil, the other end of the first diagonal line part is connected with the bottom end of the first vertical line part, the top end of the first vertical line part is connected with one end of the horizontal line part, the other end of the horizontal line part is connected with the top end of the second vertical line part, the bottom end of the second vertical line part is connected with one end of the second diagonal line part, and the other end of the second diagonal line part is used as a second turn end of the first coil or the second coil to form a one-turn coil. In practice, the first coil and the second coil have a plurality of turns, a first turn end of the first turn coil is used as a first turn end of the first coil or the second coil, a second turn end of the previous turn coil is connected with a first turn end of the next turn coil, and a second turn end of the last turn coil is used as a second turn end of the first coil or the second coil. In this embodiment, the first coil and the second coil have five turns respectively.
In this embodiment, the first vertical line portion, the second vertical line portion, and the horizontal line portion are respectively arc-shaped.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (7)
1. A wireless charging stereo antenna for an electronic device, the wireless charging stereo antenna serving as a primary coil of a power supply device, characterized in that: the coil comprises a plurality of coil groups, wherein each coil group comprises a first coil and a second coil which are arranged in central symmetry, the first coil and the second coil respectively comprise a horizontal coil part and a three-dimensional coil part, the horizontal coil part and the three-dimensional coil part are connected to form a coil, the horizontal coil part and the three-dimensional coil part are sequentially arranged from the central position of the coil group to the outside, the horizontal coil part and the three-dimensional coil part are connected in a bending mode, and the bending direction faces the central position of the coil group; the first turn end of the first coil is used as the input end of the coil group, the second turn end of the first coil is connected with the second turn end of the second coil, the first turn end of the second coil is used as the output end of the coil group, and each coil group is integrally of a C-shaped structure with an upward opening; the input ends of the coil groups are connected with each other, the output ends of the coil groups are connected with each other, the coil groups are arranged in a crossed mode and staggered at intervals along the circumferential direction, and the structure of the coil groups after being connected with each other is integrally bowl-shaped.
2. The wireless charging stereo antenna for the electronic device according to claim 1, wherein: the horizontal coil part includes a first diagonal part and a second diagonal part, one end of the first diagonal part is used as a first turn end of the first coil or the second coil, the other end of the first diagonal part is connected with one end of the three-dimensional coil part, the other end of the three-dimensional coil part is connected with one end of the second diagonal part, and the other end of the second diagonal part is used as a second turn end of the first coil or the second coil.
3. The wireless charging stereo antenna for the electronic device according to claim 1, wherein: the three-dimensional coil part comprises a first vertical line part, a second vertical line part and a horizontal line part, wherein the top end of the first vertical line part is connected with one end of the horizontal line part, the other end of the horizontal line part is connected with the top end of the second vertical line part, and the bottom end of the first vertical line part and the bottom end of the second vertical line part are respectively connected with the horizontal coil part to form the coil.
4. The wireless charging stereo antenna for the electronic device according to claim 3, wherein: the first vertical line part, the second vertical line part and the horizontal line part are respectively arc-shaped.
5. The wireless charging stereo antenna for the electronic device according to claim 1, wherein: the first coil and the second coil each have a plurality of turns.
6. The wireless charging stereo antenna for the electronic device according to claim 5, wherein: the first coil and the second coil have five turns respectively.
7. The wireless charging stereo antenna for the electronic device according to claim 1, wherein: the number of the coil groups is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910451553.1A CN110277646B (en) | 2019-05-28 | 2019-05-28 | Wireless charging stereo antenna for electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910451553.1A CN110277646B (en) | 2019-05-28 | 2019-05-28 | Wireless charging stereo antenna for electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110277646A CN110277646A (en) | 2019-09-24 |
| CN110277646B true CN110277646B (en) | 2021-03-05 |
Family
ID=67959134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910451553.1A Active CN110277646B (en) | 2019-05-28 | 2019-05-28 | Wireless charging stereo antenna for electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110277646B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113890197B (en) * | 2021-09-30 | 2023-10-10 | 江南大学 | Bowl-shaped wireless charging device with high charging efficiency |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1439092A (en) * | 2000-06-26 | 2003-08-27 | 乌尔里希·金德勒 | Device for contactless measuring of displacement path, especially for detection of position and movement |
| CN104124035A (en) * | 2013-04-26 | 2014-10-29 | 丰田自动车株式会社 | Reactor |
| CN105375952A (en) * | 2015-11-30 | 2016-03-02 | 上海安费诺永亿通讯电子有限公司 | Near-field communication (NFC) device and electronic equipment adopting NFC device |
| CN107276249A (en) * | 2017-06-12 | 2017-10-20 | 浙江大学 | A kind of magnet coupled resonant type wireless electric energy transmits bowl-shape primary coil |
| CN109300665A (en) * | 2018-10-30 | 2019-02-01 | 上海奕征新能源技术有限公司 | Wireless charging coil |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2837985B1 (en) * | 2002-04-02 | 2004-05-21 | Commissariat Energie Atomique | MORCELEE RECEIVER ANTENNA |
| CN203164893U (en) * | 2012-12-21 | 2013-08-28 | 天津三星电子有限公司 | Self-charging wireless mouse |
| KR101477429B1 (en) * | 2013-12-20 | 2014-12-29 | 삼성전기주식회사 | Coil apparatus, wireless power transmitter having thereof and wireless power receiver having thereof |
| WO2015145451A1 (en) * | 2014-03-27 | 2015-10-01 | Humavox Ltd. | Novel probes arrangement |
| US10211663B2 (en) * | 2015-08-21 | 2019-02-19 | Apple Inc. | 3D shaped inductive charging coil and method of making the same |
| CN208539110U (en) * | 2018-08-08 | 2019-02-22 | 无锡村田电子有限公司 | A kind of electronic equipment and its antenna assembly |
-
2019
- 2019-05-28 CN CN201910451553.1A patent/CN110277646B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1439092A (en) * | 2000-06-26 | 2003-08-27 | 乌尔里希·金德勒 | Device for contactless measuring of displacement path, especially for detection of position and movement |
| CN104124035A (en) * | 2013-04-26 | 2014-10-29 | 丰田自动车株式会社 | Reactor |
| CN105375952A (en) * | 2015-11-30 | 2016-03-02 | 上海安费诺永亿通讯电子有限公司 | Near-field communication (NFC) device and electronic equipment adopting NFC device |
| CN107276249A (en) * | 2017-06-12 | 2017-10-20 | 浙江大学 | A kind of magnet coupled resonant type wireless electric energy transmits bowl-shape primary coil |
| CN109300665A (en) * | 2018-10-30 | 2019-02-01 | 上海奕征新能源技术有限公司 | Wireless charging coil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110277646A (en) | 2019-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101262556B1 (en) | Wireless power transmission apparatus | |
| Kim et al. | Optimal design of a wireless power transfer system with multiple self-resonators for an LED TV | |
| CN104979913B (en) | Wireless power sends equipment | |
| CN203660624U (en) | Wireless charging device with multiple transmitting terminals and single receiving terminal | |
| KR20130028448A (en) | Wireless power relay apparatus and wireless power transmission system | |
| JP2015534422A (en) | Non-contact power transmission system | |
| CN108155728A (en) | One kind is for unmanned plane dynamic stability continuation of the journey wireless charging system | |
| KR20160073303A (en) | Wireless charger and wireless power receiver | |
| CN103714953A (en) | Wireless charging coil | |
| CN206211680U (en) | Wireless power transmission systems | |
| Alhamrouni et al. | Application of inductive coupling for wireless power transfer | |
| CN207117319U (en) | A kind of wireless charging device fixed by magnet adsorption | |
| CN106130105A (en) | Wireless charging device, system and method | |
| CN110277646B (en) | Wireless charging stereo antenna for electronic equipment | |
| KR101261267B1 (en) | Coil for non-contact battery charger and winding tool for manufacturing the same | |
| CN103887896B (en) | The Wireless charging coil method for designing that a kind of charging device can be placed arbitrarily | |
| CN203813469U (en) | Wireless charging device used for charging in batch and wireless charging coil thereof | |
| CN110867917B (en) | Design method of three-dimensional wireless power transmission system in multi-load application scene | |
| CN214543818U (en) | Novel wireless charger | |
| Suja et al. | Solar based wireless power transfer system | |
| CN210403454U (en) | Wireless charging coil | |
| CN204481546U (en) | The automobile wireless charging device that a kind of alignment sensitivity is low | |
| CN205248923U (en) | Electric energy receiver structure and wireless power receiving module | |
| CN104253462A (en) | Coil structure for wireless charger and charging control method | |
| CN204012793U (en) | Wireless charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 200000 C building, No. two, 888 West Road, Nanhui new town, Pudong New Area, Shanghai, China Applicant after: Super wisdom (Shanghai) Internet of things Technology Co.,Ltd. Address before: 200000 C building, No. two, 888 West Road, Nanhui new town, Pudong New Area, Shanghai, China Applicant before: SHANGHAI UIOT TECHNOLOGY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Wireless charging stereo antenna for electronic equipment Effective date of registration: 20211230 Granted publication date: 20210305 Pledgee: Industrial Bank Co.,Ltd. Shanghai pilot Free Trade Zone Lingang New District sub branch Pledgor: Super wisdom (Shanghai) Internet of things Technology Co.,Ltd. Registration number: Y2021980017207 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210305 Pledgee: Industrial Bank Co.,Ltd. Shanghai pilot Free Trade Zone Lingang New District sub branch Pledgor: Super wisdom (Shanghai) Internet of things Technology Co.,Ltd.|Henan Zilian Internet of things Technology Co.,Ltd. Registration number: Y2021980017207 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Wireless charging stereo antenna for electronic devices Granted publication date: 20210305 Pledgee: Industrial Bank Co.,Ltd. Shanghai Nanhui Branch Pledgor: Super wisdom (Shanghai) Internet of things Technology Co.,Ltd.|Henan Zilian Internet of things Technology Co.,Ltd. Registration number: Y2024310000332 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |