CN104393689A - Wireless charger and charging method of notebook computer - Google Patents
Wireless charger and charging method of notebook computer Download PDFInfo
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- CN104393689A CN104393689A CN201410747775.5A CN201410747775A CN104393689A CN 104393689 A CN104393689 A CN 104393689A CN 201410747775 A CN201410747775 A CN 201410747775A CN 104393689 A CN104393689 A CN 104393689A
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- notebook computer
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- transmitting coil
- wireless charger
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 239000011162 core material Substances 0.000 claims description 19
- 230000003750 conditioning effect Effects 0.000 claims description 18
- 230000006978 adaptation Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- NPMYUMBHPJGBFA-UHFFFAOYSA-N mu-oxodiiron Chemical compound [O].[Fe].[Fe] NPMYUMBHPJGBFA-UHFFFAOYSA-N 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910002796 Si–Al Inorganic materials 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
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- H02J7/025—
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- H02J5/005—
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a wireless charger and a charging method of a notebook computer, and solves the inconvenience that the power adapter of the notebook computer needs to be carried with. The wireless charger of the notebook computer is characterized by comprising a wireless electric energy emitter and a wireless electric energy receiver arranged outside the notebook computer in an inserted mode, and the wireless electric energy receiver and the wireless electric energy emitter are connected in an electromagnetic wave wireless coupling mode. A coil is contained in the wireless electric energy receiver, electromagnetic waves sent by the wireless electric energy emitter are received through the coil, and the electromagnetic waves are converted into a current. The wireless charger has the benefits that wireless charging is realized for the notebook through the wireless charger of the notebook, the constraint of a power line is eliminated, and charging with no wire is really realized, so that the convenience experience for a user is greatly promoted.
Description
Technical field
The invention belongs to computer peripheral device field, a kind of notebook computer wireless charger of specific design and charging method.
Background technology
Information-technology age, it is small-sized for one of notebook requirement becoming people, be easy to carry, and performance class matches in excellence or beauty, desktop computer makes it receive parent to look at, it's a pity it can not continuous operation for a long time, current main flow computer is mostly operated in 3-5 hour, when cells in notebook computer electricity is not enough, people just have to find socket, for computer charging is to work on.
Notebook computer all can have a charger, also power supply adaptor is called, be mainly used to charge to notebook, but adapter is in the market still wired mode, but chargeable range is subject to the restriction of wire length, even if such as have socket in indoor because of distant, notebook computer can only be used to carry powered battery, cruising time is restricted, and charging wire limited length exactly becomes the restraining factors using this equipment.In the classroom of university, the closer to the place of socket, the people reviewed one's lessons is more just describes this point, and for the place of the rare like this socket in outdoor, the thing in long-time use computer its cruising time troubling especially.If can there be a kind of notebook wireless charging device, so we just can in classroom, any place that wireless power transmitter is housed of office, leisurely and carefreely carries out work, study, amusement, and does not worry the cruising time of your notebook computer.Therefore be necessary to provide a kind of adapter supporting wireless charging, to solve the problem existing for prior art.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of notebook computer wireless charger and charging method, can very easily for the notebook computer of user charges, overcome present notebook computer to use and charge the battery and need the shortcoming of charging wire, bring that user is really wireless to be experienced easily.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of notebook computer wireless charger comprises independently wireless power transmitter and outside plug type notebook computer radio energy receiver, is connected between wireless power transmitter and radio energy receiver in electromagnetic wave wireless coupling mode.
Described wireless power transmitter, include high-frequency inverter circuit, resonant circuit, transmitting coil and magnetic core, the direct current inputted from electrical network is converted to the alternating current of frequency at more than 100KHz by high-frequency inverter circuit, afterwards by the conditioning of resonant circuit, be transported to transmitting coil, transmitting coil is wound on core material, and electric energy is sent to radio energy receiver with the electromagnetic wave of spatial distribution.
Described radio energy receiver, comprise receiving coil, magnetic core, resonant circuit and power conditioning circuitry, the electromagnetic wave distributed in space is converted into the dynamic signal of telecommunication of coil midstream by the receiving coil be wound on core material, nursed one's health by resonant circuit more afterwards, be transported to power conditioning circuitry, use to supply computer.
Described transmitting coil and the wire rod of receiving coil are the stranded Litz wire of many fine rules, the winding method of coil is plane formula coiling, magnetic core is MnZn system iron oxygen iron, and consider the adaptation frequency range of Litz wire, the high-frequency inverter circuit switching frequency in wireless power transmitter is 120K Hz.
Be provided with multiple transmitting coil in described wireless power transmitter, described radio energy receiver is provided with multiple receiving coil, the axle center of transmitting coil and the axle center of receiving coil point-blank, with improve notebook computer at an arbitrary position for electrical efficiency.
Described high-frequency inverter circuit is full bridge inverter.
The charging method of described notebook computer wireless charger is: the direct current inputted from electrical network is converted to the alternating current of frequency at more than 100KHz by the high-frequency inverter circuit in wireless power transmitter, afterwards by the conditioning of resonant circuit, be transported to transmitting coil, electric energy is sent in the space near transmitting coil by with the electromagnetic wave of spatial distribution, the axle center of transmitting coil and the axle center of receiving coil are point-blank, make efficiency of transmission higher, the electromagnetic wave that the receiving coil of described radio energy receiver will distribute in space, be translated into the signal of telecommunication that coil midstream is dynamic, carry out the conditioning of resonant circuit afterwards again, be transported to power conditioning circuitry, use to supply computer, realize the wireless penetration of notebook computer charging.
Positive progressive effect of the present invention is: the present invention, by wireless power transmitter and radio energy receiver, allows notebook computer break away from the constraint of power line, and real realization " wireless ", promotes the convenient experience of user greatly.
Accompanying drawing explanation
Fig. 1 is the work sheet of notebook computer wireless charger;
Fig. 2 is notebook wireless charger workflow diagram;
Fig. 3 is the inverter circuit of wireless power transmitter.
In figure, 1 is wireless computer electrical energy transmitter, and 2 is radio energy receivers of outside plug type, and VT1-VT4 is switching tube.
Embodiment
Preferred embodiment of the present invention is provided, to describe technical scheme of the present invention in detail below in conjunction with accompanying drawing.
A kind of notebook computer wireless charger comprises independently wireless power transmitter 1 and outside plug type notebook computer radio energy receiver 2, is connected between wireless power transmitter 1 and radio energy receiver 2 in electromagnetic wave wireless coupling mode.
Described wireless power transmitter 1, include high-frequency inverter circuit, resonant circuit, transmitting coil and magnetic core, the direct current inputted from electrical network is converted to the alternating current of frequency at more than 100KHz by high-frequency inverter circuit, afterwards by the conditioning of resonant circuit, be transported to transmitting coil, transmitting coil is wound on core material, and electric energy is sent to radio energy receiver 2 with the electromagnetic wave of spatial distribution.
Described radio energy receiver 2, comprise receiving coil, magnetic core, resonant circuit and power conditioning circuitry, the electromagnetic wave distributed in space is converted into the dynamic signal of telecommunication of coil midstream by the receiving coil be wound on core material, nursed one's health by resonant circuit more afterwards, be transported to power conditioning circuitry, use to supply computer.
Described transmitting coil and the wire rod of receiving coil are the stranded Litz wire of many fine rules, the winding method of coil is plane formula coiling, magnetic core is MnZn system iron oxygen iron, and consider the adaptation frequency range of Litz wire, the high-frequency inverter circuit switching frequency in wireless power transmitter 1 is 120K Hz.
Multiple transmitting coil is provided with in described wireless power transmitter 1, described radio energy receiver 2 is provided with multiple receiving coil, the axle center of transmitting coil and the axle center of receiving coil point-blank, with improve notebook computer at an arbitrary position for electrical efficiency.
Described high-frequency inverter circuit is full bridge inverter.
The charging method of described notebook computer wireless charger is: the direct current inputted from electrical network is converted to the alternating current of frequency at more than 100KHz by the high-frequency inverter circuit in wireless power transmitter, afterwards by the conditioning of resonant circuit, be transported to transmitting coil, electric energy is sent in the space near transmitting coil by with the electromagnetic wave of spatial distribution, the axle center of transmitting coil and the axle center of receiving coil are point-blank, make efficiency of transmission higher, the electromagnetic wave that the receiving coil of described radio energy receiver will distribute in space, be translated into the signal of telecommunication that coil midstream is dynamic, carry out the conditioning of resonant circuit afterwards again, be transported to power conditioning circuitry, use to supply computer, realize the wireless penetration of notebook computer charging.
Shown in accompanying drawing 1-3, wireless power transmitter 1 and radio energy receiver 2 respectively contain a coil as vibrotron.Radio energy launches the alternating current containing high-frequency inverter circuit, direct current being become more than frequency 100KHz, particular resonant frequency is selected by resonant circuit, pass through transmitting coil, be diffused into radio energy receiver 2, coil in radio energy receiver 2 just can produce induced current, afterwards by power adjusting circuit, to cells in notebook computer constant current charge, the operation of notebook supported by battery, achieves the wireless penetration of notebook computer charging.
As optimization, multiple wireless power transmitter can be provided with in a space, with multiple radio energy receiver, to improve computer confession electrical efficiency at an arbitrary position.
Embodiment 1
Common enamelled wire elected as by coil wire rod, and the winding method of coil is preferably centralized coiling, and magnetic core is chosen as iron Si-Al Magnetic Powder Core.Consider the adaptation frequency range of Litz wire, inverter circuit switching frequency is preferably 100K Hz, and switching tube selects IR2103. high-frequency inverter circuit to be preferably full bridge inverter, uses three-terminal voltage-stabilizing chip LM138K.
Embodiment 2
The stranded Litz wire of many fine rules preferably elected as by coil wire rod, and the winding method of coil is preferably plane formula coiling, and magnetic core is preferably MnZn system iron oxygen iron.Consider the adaptation frequency range of Litz wire, inverter circuit switching frequency is preferably 120K Hz. switching tube and selects IR2109. high-frequency inverter circuit to be preferably full bridge inverter, uses three-terminal voltage-stabilizing chip LM338T.
Embodiment 3
The stranded Litz wire of many fine rules preferably elected as by coil wire rod, and the winding method of coil is preferably plane formula coiling, and magnetic core is preferably crystallite.Consider the adaptation frequency range of Litz wire, inverter circuit switching frequency is preferably 150K Hz. switching tube and selects IR2110. high-frequency inverter circuit to be preferably full bridge inverter, uses Boost voltage stabilizing circuit.
Although the foregoing describe the specific embodiment of the present invention; but those skilled in the art is to be understood that; these only illustrate, under the prerequisite not deviating from the present invention's essence and principle, make changing or revising all being interpreted as within protection scope of the present invention execution mode.
Claims (7)
1. a notebook computer wireless charger, it is characterized in that comprising independently wireless power transmitter (1) and outside plug type notebook computer radio energy receiver (2), be connected in electromagnetic wave wireless coupling mode between wireless power transmitter (1) and radio energy receiver (2).
2. according to the notebook computer wireless charger described in claim 1, it is characterized in that described wireless power transmitter (1), include high-frequency inverter circuit, resonant circuit, transmitting coil and magnetic core, the direct current inputted from electrical network is converted to the alternating current of frequency at more than 100KHz by high-frequency inverter circuit, afterwards by the conditioning of resonant circuit, be transported to transmitting coil, transmitting coil is wound on core material, and electric energy is sent to radio energy receiver (2) with the electromagnetic wave of spatial distribution.
3. according to the notebook computer wireless charger described in claim 1, it is characterized in that described radio energy receiver (2), comprise receiving coil, magnetic core, resonant circuit and power conditioning circuitry, the electromagnetic wave distributed in space is converted into the dynamic signal of telecommunication of coil midstream by the receiving coil be wound on core material, nursed one's health by resonant circuit more afterwards, be transported to power conditioning circuitry, use to supply computer.
4. the notebook computer wireless charger according to Claims 2 or 3, it is characterized in that the wire rod of described transmitting coil and receiving coil is the stranded Litz wire of many fine rules, the winding method of coil is plane formula coiling, magnetic core is MnZn system iron oxygen iron, consider the adaptation frequency range of Litz wire, the high-frequency inverter circuit switching frequency in wireless power transmitter (1) is 120K Hz.
5. the notebook computer wireless charger according to Claims 2 or 3, it is characterized in that being provided with multiple transmitting coil in described wireless power transmitter (1), described radio energy receiver (2) is provided with multiple receiving coil, the axle center of transmitting coil and the axle center of receiving coil point-blank, with improve notebook computer at an arbitrary position for electrical efficiency.
6. notebook computer wireless charger according to claim 1, is characterized in that described high-frequency inverter circuit is full bridge inverter.
7. the charging method of a notebook computer wireless charger as claimed in claim 1, its spy is being: the direct current inputted from electrical network is converted to the alternating current of frequency at more than 100KHz by the high-frequency inverter circuit in wireless power transmitter, afterwards by the conditioning of resonant circuit, be transported to transmitting coil, electric energy is sent in the space near transmitting coil by with the electromagnetic wave of spatial distribution, the axle center of transmitting coil and the axle center of receiving coil are point-blank, make efficiency of transmission higher, the electromagnetic wave that the receiving coil of described radio energy receiver will distribute in space, be translated into the signal of telecommunication that coil midstream is dynamic, carry out the conditioning of resonant circuit afterwards again, be transported to power conditioning circuitry, use to supply computer, realize the wireless penetration of notebook computer charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410747775.5A CN104393689A (en) | 2014-12-10 | 2014-12-10 | Wireless charger and charging method of notebook computer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410747775.5A CN104393689A (en) | 2014-12-10 | 2014-12-10 | Wireless charger and charging method of notebook computer |
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| CN104393689A true CN104393689A (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410747775.5A Pending CN104393689A (en) | 2014-12-10 | 2014-12-10 | Wireless charger and charging method of notebook computer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160265A (en) * | 2016-07-12 | 2016-11-23 | 武汉大学 | Wireless power supply |
| CN106877523A (en) * | 2017-04-20 | 2017-06-20 | 厦门大学 | notebook computer wireless charging device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101523693A (en) * | 2006-08-04 | 2009-09-02 | Sk化学株式会社 | Induction coil for cordless energy charging and data transfer |
| CN102983636A (en) * | 2011-09-05 | 2013-03-20 | Ls电线有限公司 | Apparatus for wireless power transmission using multi antenna and method for controlling the same |
| CN103189815A (en) * | 2010-11-05 | 2013-07-03 | 英特尔公司 | Extendable wireless power delivery for small devices |
| CN104158269A (en) * | 2014-08-11 | 2014-11-19 | 长城信息产业股份有限公司 | Wireless charging transmitter, receiver, charging device and wireless charging method |
| US20140354221A1 (en) * | 2013-05-10 | 2014-12-04 | DvineWave Inc. | Antenna arrangement for pocket-forming |
-
2014
- 2014-12-10 CN CN201410747775.5A patent/CN104393689A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101523693A (en) * | 2006-08-04 | 2009-09-02 | Sk化学株式会社 | Induction coil for cordless energy charging and data transfer |
| CN103189815A (en) * | 2010-11-05 | 2013-07-03 | 英特尔公司 | Extendable wireless power delivery for small devices |
| CN102983636A (en) * | 2011-09-05 | 2013-03-20 | Ls电线有限公司 | Apparatus for wireless power transmission using multi antenna and method for controlling the same |
| US20140354221A1 (en) * | 2013-05-10 | 2014-12-04 | DvineWave Inc. | Antenna arrangement for pocket-forming |
| CN104158269A (en) * | 2014-08-11 | 2014-11-19 | 长城信息产业股份有限公司 | Wireless charging transmitter, receiver, charging device and wireless charging method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160265A (en) * | 2016-07-12 | 2016-11-23 | 武汉大学 | Wireless power supply |
| CN106877523A (en) * | 2017-04-20 | 2017-06-20 | 厦门大学 | notebook computer wireless charging device |
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Application publication date: 20150304 |