CN104052137A - High-power wireless power transmission system - Google Patents
High-power wireless power transmission system Download PDFInfo
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- CN104052137A CN104052137A CN201410320673.5A CN201410320673A CN104052137A CN 104052137 A CN104052137 A CN 104052137A CN 201410320673 A CN201410320673 A CN 201410320673A CN 104052137 A CN104052137 A CN 104052137A
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- power transmission
- transmission system
- power
- transmitting
- circuit
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a high-power wireless power transmission system. The high-power wireless power transmission system comprises a transmitting end, a transmitting coil connected with the transmitting end, a receiving end and a receiving coil connected with the receiving end, wherein the transmitting coil and the receiving coil are the same in natural frequency; the transmitting end is composed of an oscillator, a power amplifier and an impedance matching circuit; the receiving end is composed of a battery charging module, an energy supply module and a control module. According to the high-power wireless power transmission system, an electromagnetic field is adopted for direct power transmission, a power wire, a plug and a socket can be omitted, and therefore the power transmission system is convenient to use. Meanwhile, the magnetic induction coils which are the same in natural frequency are adopted, so that transmission efficiency and power are greatly enhanced.
Description
Technical field
The present invention relates to delivery of electrical energy field, especially a kind of high-power wireless electrical power transmission system.
Background technology
Wireless power transmission application prospect is extensive, but existing Contactless power transmission device power is little, and efficiency is low, and transmission range is very near, is mainly used in electronic equipment charging occasion, and this technology is difficult to use in large-power occasions.It is as significant in large-power occasions (as charging electric vehicle) that wireless power transmission is applied to, and is also study hotspot in recent years.But this application scenario requires wireless power transmission power at least to reach KW level, and other power delivery of this grade necessarily requires very high power transmission efficiency, otherwise not only can produce huge energy loss, and the heat radiation of device is also a very scabrous problem.Existing wireless power transmission scheme cannot meet this large-power occasions.
Summary of the invention
For achieving the above object, the present invention includes: transmitting terminal, the transmitting coil being connected with transmitting terminal, receiving terminal and the receiving coil that is connected with receiving terminal.Wherein transmitting coil is identical with receiving coil natural frequency.Described transmitting terminal is in series successively by oscillator, power amplifier and impedance matching circuit.Described receiving terminal is comprised of battery charging module, energy supply module and control module.
Further, described battery charging module is in series successively by rechargeable battery, charge adjustment circuit and flow restricter.
Further, described energy supply module is in series by filter circuit and voltage stabilizing circuit.
Further, described control module is comprised of rectification circuit and control circuit.
The invention has the advantages that and adopted electromagnetic field directly to carry electricity, can save power line and plugs and sockets, easy to usely adopted the magnetic induction loop that natural frequency is identical simultaneously, efficiency of transmission and power are improved greatly.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of invention.
Embodiment
Fig. 1 is the circuit block diagram of invention, the present invention includes transmitting terminal 1, the transmitting coil 2 being connected with transmitting terminal 1, receiving terminal 3 and the receiving coil 4 that is connected with receiving terminal 3.Wherein transmitting coil 2 is identical with receiving coil 4 natural frequencys.
During work, the distance between receiving coil 4 and transmitting coil 2 is less than or equal to 8 times of coil radius.Energy that power supply provides produces higher-order of oscillation electric current through oscillator, through power amplifier, amplifies, and then by impedance matching circuit, is undertaken after impedance matching, by the outside emitting electromagnetic wave of transmitting coil 2, forming a non-radiative magnetic field around transmitting coil 2.
Receiving coil 4 is because natural frequency is identical with wave frequency.Therefore the oscillating current producing in circuit is the strongest.Electric current is input control circuit after the rectification circuit rectification in control module 31, and control circuit is according to the service condition judgement battery charging module 33 of electrical appliance and the conducting state of energy supply module 32.During battery charging module 33 conducting, electric current charges to rechargeable battery through flow restricter and charge adjustment circuit.During fast 32 conducting of energy supply mould electric current by filter circuit and voltage stabilizing circuit to electrical appliance energy supply.
Claims (4)
1. a high-power wireless electrical power transmission system, it is characterized in that: comprising: transmitting terminal, the transmitting coil being connected with transmitting terminal, receiving terminal and the receiving coil that is connected with receiving terminal, transmitting coil is identical with receiving coil natural frequency, described transmitting terminal is in series successively by oscillator, power amplifier and impedance matching circuit, and described receiving terminal is comprised of battery charging module, energy supply module and control module.
2. high-power wireless electrical power transmission system according to claim 1, is characterized in that: described battery charging module is in series successively by rechargeable battery, charge adjustment circuit and flow restricter.
3. high-power wireless electrical power transmission system according to claim 1, is characterized in that: described energy supply module is in series by filter circuit and voltage stabilizing circuit.
4. high-power wireless electrical power transmission system according to claim 1, is characterized in that: described control module is in series by rectification circuit and control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410320673.5A CN104052137A (en) | 2014-07-08 | 2014-07-08 | High-power wireless power transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410320673.5A CN104052137A (en) | 2014-07-08 | 2014-07-08 | High-power wireless power transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104052137A true CN104052137A (en) | 2014-09-17 |
Family
ID=51504658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410320673.5A Pending CN104052137A (en) | 2014-07-08 | 2014-07-08 | High-power wireless power transmission system |
Country Status (1)
| Country | Link |
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| CN (1) | CN104052137A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362775A (en) * | 2014-12-08 | 2015-02-18 | 胡沥 | Wireless charging device and wireless charging system |
| CN106143193A (en) * | 2016-07-08 | 2016-11-23 | 广州兴国新能源科技有限公司 | A kind of electric automobile wireless power transmission charging pile |
| CN117297410A (en) * | 2023-11-30 | 2023-12-29 | 科沃斯家用机器人有限公司 | Cleaning robot and system |
Citations (5)
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|---|---|---|---|---|
| CN201126984Y (en) * | 2007-08-16 | 2008-10-01 | 上海市七宝中学 | Convenient power supply apparatus |
| CN101667754A (en) * | 2008-09-02 | 2010-03-10 | 索尼株式会社 | Electromagnetic resonance non-contact power transmission device |
| CN102089955A (en) * | 2008-07-08 | 2011-06-08 | 高通股份有限公司 | Wireless high power transfer under regulatory constraints |
| CN202034831U (en) * | 2011-03-23 | 2011-11-09 | 长沙理工大学 | Wireless electromagnetic power supply device |
| US20120286584A1 (en) * | 2009-11-04 | 2012-11-15 | Korea Electrotechnology Research Institute | Space-adaptive wireless power transfer system and method using evanescent field resonance |
-
2014
- 2014-07-08 CN CN201410320673.5A patent/CN104052137A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201126984Y (en) * | 2007-08-16 | 2008-10-01 | 上海市七宝中学 | Convenient power supply apparatus |
| CN102089955A (en) * | 2008-07-08 | 2011-06-08 | 高通股份有限公司 | Wireless high power transfer under regulatory constraints |
| CN101667754A (en) * | 2008-09-02 | 2010-03-10 | 索尼株式会社 | Electromagnetic resonance non-contact power transmission device |
| US20120286584A1 (en) * | 2009-11-04 | 2012-11-15 | Korea Electrotechnology Research Institute | Space-adaptive wireless power transfer system and method using evanescent field resonance |
| CN202034831U (en) * | 2011-03-23 | 2011-11-09 | 长沙理工大学 | Wireless electromagnetic power supply device |
Non-Patent Citations (2)
| Title |
|---|
| 何超等: "《模拟电子技术新编》", 30 June 2014, 清华大学出版社 * |
| 龚华生等: "《电池使用维修指南》", 30 June 2011, 国防工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362775A (en) * | 2014-12-08 | 2015-02-18 | 胡沥 | Wireless charging device and wireless charging system |
| CN106143193A (en) * | 2016-07-08 | 2016-11-23 | 广州兴国新能源科技有限公司 | A kind of electric automobile wireless power transmission charging pile |
| CN117297410A (en) * | 2023-11-30 | 2023-12-29 | 科沃斯家用机器人有限公司 | Cleaning robot and system |
| CN117297410B (en) * | 2023-11-30 | 2024-06-25 | 科沃斯家用机器人有限公司 | Cleaning robot and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140917 |
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| RJ01 | Rejection of invention patent application after publication |