CN101820182A - Wireless charging device - Google Patents
Wireless charging device Download PDFInfo
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- CN101820182A CN101820182A CN201010145884A CN201010145884A CN101820182A CN 101820182 A CN101820182 A CN 101820182A CN 201010145884 A CN201010145884 A CN 201010145884A CN 201010145884 A CN201010145884 A CN 201010145884A CN 101820182 A CN101820182 A CN 101820182A
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Abstract
The invention relates to a wireless charging device, which comprises a wireless charging base and a wireless universal charger, wherein the wireless charging base comprises a switching circuit, a rectifying circuit, an oscillating amplifying circuit, a transmitting terminal coil and a signal control circuit, wherein external commercial power is connected with the switching circuit; the switching circuit is connected with the rectifying circuit; the rectifying circuit is connected with the oscillating amplifying circuit; the oscillating amplifying circuit is connected with the signal control circuit and the transmitting terminal coil; the wireless universal charger comprises a receiving coil, a rectifying voltage stabilizing circuit and a charging port, wherein the receiving coil is matched with the transmitting terminal coil; the receiving coil is connected with the rectifying voltage stabilizing circuit; the rectifying voltage stabilizing circuit is connected with the charging port; and the charging port is connected with a battery to be charged. The invention has good versatility and low cost and can be applied to various small electric appliances.
Description
Technical field
The present invention relates to the charging device field, especially a kind of wireless charging device.
Background technology
Along with science and technology development, various portable type electronic products as: mobile phone, MP3, digital camera and notebook computer etc. are more and more.To what these equipment charged main employing be at present: an end connects power frequency AC, and the other end connects traditional charging modes of portable electric appts rechargeable battery.This charging modes has a lot of disadvantageous places, and at first frequent plug is easy to damage joint, also may bring the danger of electric shock in addition.Also have, because the electronic product kind is various, every kind of product all has charger separately, objectionable intermingling, and carry has inconvenience more.
For being the more existing researchs of the scheme of small-sized electrical appliances such as mobile phone being carried out wireless charging, Chinese invention patent for example: a kind of wireless charging mobile phone, charging device and charging method thereof (publication number is CN101123328A), concrete scheme is: a coil is arranged as the electromagnetic field emissions device in wireless charging device, another coil is arranged as the electromagnetic field receiver near the electromagnetic field emissions device the mobile phone, produce induced current by electromagnetic viscosimeter at receiver, in certain scope, realize the wireless charging of mobile phone.
But above-mentioned scheme need be transformed small-sized electrical appliances such as existing mobile phone, wastes time and energy, and wastes resource again, and inapplicable for the product that has circulated.
Summary of the invention
Only can be applicable to mobile phone, the deficiency that versatility is poor, cost is high for what overcome existing wireless charging device, the invention provides a kind of versatility good, can be applied to various compact electric apparatus, wireless charging device that cost is low.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of wireless charging device, comprise wireless charging pedestal and wireless universal charger, described wireless charging pedestal comprises switching circuit, rectification circuit, oscillator-amplification circuit, transmitting terminal coil and signal control circuit, external civil power is connected with described switching circuit, described switching circuit is connected with described rectification circuit, described rectification circuit is connected with described oscillator-amplification circuit, and described oscillator-amplification circuit is connected with described signal control circuit, described transmitting terminal coil;
Described wireless universal charger comprises receiving coil, regulator rectifier circuit and charging port, described receiving coil cooperates with described transmitting terminal coil, described receiving coil connects described regulator rectifier circuit, described regulator rectifier circuit connects described charging port, and described charging port is connected with battery to be charged.
Further, be provided with protective circuit between described regulator rectifier circuit and the charging port.
Further again, described rectification circuit is a bridge rectifier.
Technical conceive of the present invention is: adopt induction coupling electric energy transmitting (ICPT) technology, the transmission range of ICPT and efficiency of transmission are tending towards rationally, also provide possible for the realization of wireless charging to a great extent.
This is wireless, and coupling principle is responded in omnipotent charging device utilization, promptly by daily AC-powered, through bridge rectifier and oscillating circuit effect, electromagnetic field by the variation of transmitting terminal coil emission high frequency, by the coil-induced generation induced current of the wireless universal charger of receiving terminal, realize the wireless transmission of electric energy again.Induced current flows through the rectifying and voltage-stabilizing module of wireless universal charger, is connected to energy storage device at last, realizes the general applicability to general energy storage device.
Beneficial effect of the present invention mainly shows: 1, versatility good, can be applied to various compact electric apparatus, cost is low; 2, solve the potential safety hazard that original female type universal charger exists, improved the comfortableness of using.
Description of drawings
Fig. 1 is the composition block diagram of wireless charging device of the present invention;
Fig. 2 is that the transmitting terminal of wireless charging device of the present invention is formed schematic diagram;
Fig. 3 is that the receiving terminal of wireless charging device of the present invention is formed schematic diagram;
Fig. 4 is the circuit theory diagrams of wireless charging device of the present invention;
Fig. 5 is the mock-up figure of wireless charging device of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
With reference to Fig. 1～Fig. 5, a kind of wireless charging device, comprise wireless charging pedestal and wireless universal charger, described wireless charging pedestal comprises switching circuit, rectification circuit, oscillator-amplification circuit, transmitting terminal coil and signal control circuit, external civil power is connected with described switching circuit, described switching circuit is connected with described rectification circuit, and described rectification circuit is connected with described oscillator-amplification circuit, and described oscillator-amplification circuit is connected with described signal control circuit, described transmitting terminal coil;
Described wireless universal charger comprises receiving coil, regulator rectifier circuit and charging port, described receiving coil cooperates with described transmitting terminal coil, described receiving coil connects described regulator rectifier circuit, described regulator rectifier circuit connects described charging port, and described charging port is connected with battery to be charged.
Be provided with protective circuit between described regulator rectifier circuit and the charging port.Stating rectification circuit is bridge rectifier.
The wireless charging pedestal directly links to each other with power supply, is installed on fixed-site.Its inside comprises switching circuit, bridge rectifier, oscillator-amplification circuit, transmitting terminal coil and signal control circuit.Power supply links to each other with wireless charging base interior circuit by switching circuit.So-called switching circuit can be a simple closing contact switch, can also be delay switch regularly, to satisfy the demand that occasion undetermined is regularly charged.The selection of switching circuit can be decided as the case may be, below is that example describes with common closing contact switch all.Switching circuit links to each other with bridge rectifier, and alternating current becomes the direct current of vibration through behind the bridge rectifier.What link to each other with bridge rectifier is oscillator-amplification circuit, and it links to each other with signal control circuit, and the direct current of effect vibration increases frequency of oscillation.Oscillator-amplification circuit links to each other with the transmitting terminal coil, produces the electromagnetic field of the higher-order of oscillation near the transmitting terminal coil.
Wireless universal charger links to each other with battery, can carry.Its inside comprises receiving coil, regulator rectifier circuit, protective circuit.When the receiving terminal coil when the transmitting terminal coil, induction produces induced current, through behind the regulator rectifier circuit, becomes than galvanic current and flows.Regulator rectifier circuit links to each other with battery and can charge the battery.For preventing that battery short circuit from burning out, between regulator rectifier circuit and battery, add protective circuit, the protection battery.
In order to improve energy transmission efficiency, reduce loss, the wireless charging pedestal comprises signal controller, frequency amplifier.
In order to improve the versatility of this wireless charging device, avoid transformation to small-sized electrical appliances such as mobile phones, the wireless charging receiving terminal is separated the wireless universal charger of independent one-tenth with electrical appliance.
Solve the potential safety hazard that original female type universal charger exists, improved the comfortableness of using.Avoided other wireless charging systems to the loaded down with trivial details transformation of electrical appliance again, can carry out wireless charging, realized its versatility multiple small-sized electrical appliance.If again the wireless charging pedestal is done suitable adjustment, be generalized to the countries and regions of different voltages, overcome the trouble of changing between the different voltages of country variant.
As shown in Figure 1, present embodiment comprises charging emission pedestal and wireless charger, it is characterized in that charging emission pedestal comprises the energy transmitting coil, provides the transmitting terminal circuit of energy to transmitting coil; Wireless universal charger comprises receiving coil, links to each other with energy storage device with receiving terminal circuit that is connected in the receiving coil and wireless universal charger.
The transmitting terminal circuit of wireless charging pedestal comprises rectification circuit, oscillator-amplification circuit and control circuit as shown in Figure 2.
As shown in Figure 3, the receiving terminal circuit of wireless charger comprises regulator rectifier circuit and energy storage protective circuit.
As shown in Figure 4, behind switch connection, electric current becomes the vibration direct current by rectifier circuit bridge, through oscillating circuit, improved frequency of oscillation, flow through the transmitting terminal coil, form the electromagnetic field of the higher-order of oscillation, by the coil-induced generation induced current of receiving terminal, form than galvanic current stream through regulator rectifier circuit again, charge to energy storage device.
As shown in Figure 5: the mock-up figure of a kind of wireless charging device of patent of the present invention.Wireless charging pedestal 3 links to each other with external power supply, and its inside comprises the switching circuit rectification circuit, oscillator-amplification circuit, transmitting terminal coil 1 and control circuit.Wireless universal charger links to each other with battery, and its inside comprises regulator rectifier circuit and energy storage protective circuit.When wireless charging pedestal Closing Switch, energized, produce the electromagnetic field of the higher-order of oscillation near the transmitting terminal coil 1, when receiving terminal coil in the wireless universal charger 2 and coil 1 near the time, can induction generate induced current, form than galvanic current stream through regulator rectifier circuit again, give battery 5 chargings to be charged.
Present embodiment is made up of wireless charging pedestal and wireless universal charger, and basic principle is the electromagnetic coupled by two coils, realizes electric energy transmitting.As Fig. 5, coil 1 places platform 3, has constituted the wireless charging pedestal, is connected with power supply.Another coil 2 places wireless universal charger 4 (being similar to the mobile phone universal charger) to constitute receiving terminal.Behind wireless charging pedestal and the power connection, can produce the electromagnetic field of the powerful higher-order of oscillation.Coil 2 inductions generate induced current, realize the wireless transmission of electric energy.This cans be compared to transformer principle, the coil 1 of transmitting terminal and the 2 induction couplings of the coil of receiving terminal, and this just can charge for outer end equipment.
But above-mentioned only is basic module, also need carry out circuit and expand and optimize.The wireless charging pedestal will insert rectification circuit and oscillating circuit.Add regulator rectifier circuit and protective circuit in the wireless universal charger.Increased frequency of oscillation like this, improved efficiency of transmission, protected energy storage device to be damaged again effectively because of emergency situations.
For further better carrying out wireless charging, can add some control circuits.Show charged state (whether being full of) as adding control circuit in the wireless universal charger.Like this not only be beneficial to the carrying out of charging, but also conserver power source.
The present invention is with respect to the more convenient use of the universal charger that circulates in market.Only need to buy a wireless universal charger, battery, electroplax are placed in one, be placed on the wireless charging pedestal charge (the wireless charging pedestal is fixedly installed in places such as hotel, airport, station), and need not power consumption equipment is rectified and improved.This is the convenient part of implementing of the present invention.
Claims (3)
1. wireless charging device, it is characterized in that: comprise wireless charging pedestal and wireless universal charger, described wireless charging pedestal comprises switching circuit, rectification circuit, oscillator-amplification circuit, transmitting terminal coil and signal control circuit, external civil power is connected with described switching circuit, described switching circuit is connected with described rectification circuit, described rectification circuit is connected with described oscillator-amplification circuit, and described oscillator-amplification circuit is connected with described signal control circuit, described transmitting terminal coil;
Described wireless universal charger comprises receiving coil, regulator rectifier circuit and charging port, described receiving coil cooperates with described transmitting terminal coil, described receiving coil connects described regulator rectifier circuit, described regulator rectifier circuit connects described charging port, and described charging port is connected with battery to be charged.
2. wireless charging device as claimed in claim 1 is characterized in that: be provided with protective circuit between described regulator rectifier circuit and the charging port.
3. wireless charging device as claimed in claim 1 or 2 is characterized in that: described rectification circuit is a bridge rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010145884A CN101820182A (en) | 2010-04-14 | 2010-04-14 | Wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010145884A CN101820182A (en) | 2010-04-14 | 2010-04-14 | Wireless charging device |
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| CN101820182A true CN101820182A (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010145884A Pending CN101820182A (en) | 2010-04-14 | 2010-04-14 | Wireless charging device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136747A (en) * | 2011-02-16 | 2011-07-27 | 华为终端有限公司 | Method and device for providing electric quantity for electronic equipment |
| CN102537708A (en) * | 2010-12-31 | 2012-07-04 | 深圳市比科斯电子有限公司 | Wireless charging bulb |
| CN102570128A (en) * | 2010-12-11 | 2012-07-11 | 张志平 | Power socket with wireless induction charging module |
| CN102593896A (en) * | 2012-02-16 | 2012-07-18 | 华为终端有限公司 | Mobile terminal and method for carrying out wireless charging on mobile terminal |
| CN102684272A (en) * | 2011-03-06 | 2012-09-19 | 张志平 | Dual control energy-saving type wireless charge receiving and transmitting device |
| CN103066669A (en) * | 2013-01-31 | 2013-04-24 | 广州瀚诚电子产品有限公司 | Wireless microphone charging base circuit and charging method |
| CN103166286A (en) * | 2013-03-01 | 2013-06-19 | 青岛华世基电子有限公司 | Special mobile phone partner of mobile phone with projection function and application thereof |
| CN106114260A (en) * | 2016-07-12 | 2016-11-16 | 杭州硬功馆科技有限公司 | A kind of electronic kart charging realizes device |
| CN106235452A (en) * | 2016-09-14 | 2016-12-21 | 上海振道科技有限公司 | The medicated clothing of intelligent object is installed |
| CN106937025A (en) * | 2015-12-30 | 2017-07-07 | 秦皇岛中科百捷电子信息科技有限公司 | A kind of digital camera servicing unit based on wireless charging and Near Field Communication technology |
| CN107427068A (en) * | 2015-03-05 | 2017-12-01 | 日本烟草产业株式会社 | The charging device of non-combustion-type fragrance extractor |
| CN108054816A (en) * | 2018-01-08 | 2018-05-18 | 内蒙古聚能节能服务有限公司 | A kind of converter for wireless charging |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101438480A (en) * | 2007-07-13 | 2009-05-20 | 翰林Postech株式会社 | Non-contact charger system of wireless power transmission for battery and control method thereof |
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2010
- 2010-04-14 CN CN201010145884A patent/CN101820182A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101438480A (en) * | 2007-07-13 | 2009-05-20 | 翰林Postech株式会社 | Non-contact charger system of wireless power transmission for battery and control method thereof |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570128A (en) * | 2010-12-11 | 2012-07-11 | 张志平 | Power socket with wireless induction charging module |
| CN102537708A (en) * | 2010-12-31 | 2012-07-04 | 深圳市比科斯电子有限公司 | Wireless charging bulb |
| CN102136747A (en) * | 2011-02-16 | 2011-07-27 | 华为终端有限公司 | Method and device for providing electric quantity for electronic equipment |
| CN102684272A (en) * | 2011-03-06 | 2012-09-19 | 张志平 | Dual control energy-saving type wireless charge receiving and transmitting device |
| CN102593896A (en) * | 2012-02-16 | 2012-07-18 | 华为终端有限公司 | Mobile terminal and method for carrying out wireless charging on mobile terminal |
| CN103066669B (en) * | 2013-01-31 | 2016-04-20 | 广州瀚诚电子产品有限公司 | A kind of wireless microphone charging base circuit and charging method |
| CN103066669A (en) * | 2013-01-31 | 2013-04-24 | 广州瀚诚电子产品有限公司 | Wireless microphone charging base circuit and charging method |
| CN103166286A (en) * | 2013-03-01 | 2013-06-19 | 青岛华世基电子有限公司 | Special mobile phone partner of mobile phone with projection function and application thereof |
| CN103166286B (en) * | 2013-03-01 | 2015-04-29 | 青岛北斗星应用技术制造有限公司 | Special mobile phone partner of mobile phone with projection function and application thereof |
| CN107427068A (en) * | 2015-03-05 | 2017-12-01 | 日本烟草产业株式会社 | The charging device of non-combustion-type fragrance extractor |
| CN106937025A (en) * | 2015-12-30 | 2017-07-07 | 秦皇岛中科百捷电子信息科技有限公司 | A kind of digital camera servicing unit based on wireless charging and Near Field Communication technology |
| CN106114260A (en) * | 2016-07-12 | 2016-11-16 | 杭州硬功馆科技有限公司 | A kind of electronic kart charging realizes device |
| CN106235452A (en) * | 2016-09-14 | 2016-12-21 | 上海振道科技有限公司 | The medicated clothing of intelligent object is installed |
| CN108054816A (en) * | 2018-01-08 | 2018-05-18 | 内蒙古聚能节能服务有限公司 | A kind of converter for wireless charging |
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Application publication date: 20100901 |