CN105391185A - Wireless charger - Google Patents
Wireless charger Download PDFInfo
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- CN105391185A CN105391185A CN201510667542.9A CN201510667542A CN105391185A CN 105391185 A CN105391185 A CN 105391185A CN 201510667542 A CN201510667542 A CN 201510667542A CN 105391185 A CN105391185 A CN 105391185A
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- transmitting coil
- capacitor unit
- control part
- wireless
- wireless charger
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Abstract
The invention discloses a wireless charger composed of a transmitting coil, a transmitting circuit and a control part. The transmitting coil is a coil element sending one of two kinds of wireless electrical signals. The transmitting coil, the transmitting circuit and the control part are integrated, and the transmitting circuit is controlled by the control part and separately supplies the transmitting coil with a first power supply and a second power supply in accordance with the kinds of the wireless electrical signals. The wireless charger of the invention outputs different power supplies to the transmitting coil through conducting electronically-controllable changes on a capacitor determining the magnitude of the output frequency so as to realize hardware integration of a wireless power signal emission module and realize advantages of lower cost and avoidance of side increase.
Description
Technical field
The present invention relates to a kind of automobile wireless charging device, particularly relate to and a kind ofly utilize transmitting coil to launch the wireless charging device with two kinds of wireless power signal of different frequency.
Background technology
Generally, the charging terminal machine that people carry, namely portable moving terminal machine relies on the power supply unit that is combined into one with fuselage or can the power supply unit supply power of assembly and disassembly and the electronic product that drives separately as battery.
As mentioned above, this portable moving terminal machine, because can carry, so very easy to use, but also exists the problem that must charge at any time.User needs the wire cable using wire connector and so on, is connected on household electrical source, thus obtains the charging of power supply enforcement to battery.Therefore, there is the problem needing at ordinary times together to carry power line.
In order to solve the above problem, recently along with the universal of smart mobile phone and so on portable moving terminal machine product consumption colony and expansion, and the increase of terminating machine usage frequency, occur that configuration using way of electromagnetic induction (WPC, PMA) or magnetic resonance mode (A4WP) carry out the wireless charging emitter of wireless charging to the portable moving terminal machine of user on automobile.
Recently, in order to receive the receiver of wireless power signal to comprising portable moving terminal machine and so on, launch the wireless charging signal of frequency corresponding with its charging modes, among the research and development of the wireless charging device launching magnetic induction way (WPC, PMA) wireless power signal are carried out.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the invention is to propose a kind of wireless charger, solve the wireless charger utilizing a transmitting coil to launch the wireless power signal of different frequency.
Above-mentioned purpose of the present invention, its technical solution be achieved is: wireless charger, it is characterized in that being made up of transmitting coil, radiating circuit and control part, wherein said transmitting coil is the coil part of one of transmitting two kinds of wireless power signal, and described transmitting coil, radiating circuit and control part are integrated in one and described radiating circuit is controlled by control part and the kind of corresponding wireless power signal supplies the first power supply and second source respectively to transmitting coil.
Further, described radiating circuit is provided with the first capacitor unit, the second capacitor unit and switch portion, wherein said switch portion to be located between the second capacitor unit and zero line side and to be controlled by control part and performs switch motion, and one end of described second capacitor unit is accessed between the first capacitor unit and transmitting coil.
Further, described first capacitor unit and the second capacitor unit are the circuit unit of each self-contained at least two Capacitance parallel connections.
Further, described switch portion is be controlled by the electronic switch that control part performs unlatching or closing motion.
Again further, described electronic switch is at least FET, BJT or OP-AMP.
Further, described switch portion is controlled by control part and performs breakdown action, and the integration capacitance of corresponding first capacitor unit of described first power supply and the second capacitor unit exports transmitting coil to.
Further, described switch portion is controlled by control part and performs closing motion, and described second source exports transmitting coil to based on the electric capacity of the first capacitor unit.
Further, the wireless charging information of described control part external reception mobile phone, the first power supply that switching controls supplies to transmitting coil or second source.
Apply technical scheme of the present invention, the advantage applies of its hinge structure is: this wireless charger is by carrying out the change of electronic controllable to the electric capacity of decision output frequency size, different electrical power is exported to transmitting coil, achieve the hardware integration of wireless power signal transmitter module, have and reduce costs, avoid the advantage increasing volume.
Accompanying drawing explanation
Fig. 1 is the stereochemical structure oblique view of wireless charger of the present invention.
Fig. 2 is the structural representation of radiating circuit in wireless charger shown in Fig. 1.
Fig. 3 is a kind of motion flow schematic diagram of radiating circuit shown in Fig. 2.
Fig. 4 is the another kind of motion flow schematic diagram of radiating circuit shown in Fig. 2.
Embodiment
Below just accompanying drawing in conjunction with the preferred embodiments, is described in further detail the specific embodiment of the present invention, is easier to understand, grasp to make technical solution of the present invention.
As shown in Figure 1, wireless charging device can comprise: the body (10) being configured in automotive interior; Be configured on body (10), perception rides in the displacement of automotive interior passenger (i.e. human body) and quiet dynamic change, and exports the action sense part (20) of specification signal; With the power supply received from storage battery supply, launch the emission part (not shown) of a certain signal be applicable in the first wireless power signal of magnetic induction WPC standard mode and the second wireless power signal of applicable PMA standard mode; Normalized current is applied to body (10), and the sense part (not shown) of the above-mentioned normalized current variable quantity of perception; Body (10) is laid the instruction unit (50) of luminescence time mobile phone (100); Luminous with control instruction unit (50), and the control part (not shown) of above-mentioned emission part is controlled according to the wireless charging mode of the receiver that mobile phone (100) comprises.
Above-mentioned body (10) is arranged on automotive interior, can configure in a position-stable manner, can also dismantled and assembled mode configure at a certain position of car room.
In addition, body (10) is configured with action sense part (20) as above, instruction unit (50), emission part and control part, can according to the wireless charging mode of the receiver be included on mobile phone (100), utilize the power supply of battery, by the some acceptance divisions being transmitted to mobile phone (100) in first, second wireless power signal.
Action sense part (20) is positioned at the adjacent side position of body (10), plays a part the displacement of sensing passengers and quiet dynamic change.
More detailed situation is, action sense part (20) is although the displacement of the above-mentioned passenger of perception and quiet dynamic change, but its perception is towards the close particular displacement of body (10) and quiet dynamic change, when above-mentioned passenger in order to give oneself mobile phone (100) battery carry out wireless charging and to body (10) close to time, its very first time performs arbitration functions.
Action sense part (20) can be the IR transducer of certain heat that perception gives out from human body.IR transducer is exactly originally the ultrared transducer of perception, the infrared ray given out by perception automotive interior human body, thus plays very first time sensing passengers to the close effect of body (10).
In addition, on above-mentioned body (10), be formed with the portion of laying (30) of placing above-mentioned portable terminal computer (100).Lay the fixture (not shown) that portion (30) can configure and firmly fixed by mobile phone (100).
Radiating circuit as shown in Fig. 2 is included in the emission part in wireless charger shown in Fig. 1.This radiating circuit can comprise: transmitting coil (80), the first capacitor unit (82), the second capacitor unit (84), switch portion (86) and control part (90).
At this, transmitting coil (80) can launch to above-mentioned mobile phone (100) the some signals be applicable in the first wireless power signal of magnetic induction WPC standard mode and the second wireless power signal of applicable PMA standard mode.Transmitting coil (80) is formed by single coil, can launch first, second wireless power signal (sp1, sp2) being suitable for WPC standard mode and PMA standard mode respectively according to the power supply of input.
First capacitor unit (82) can be connected in parallel by three capacitors (C1, C2, C3) and form, input power (v) supplies from the side of three capacitors (C1, C2, C3), opposite side input power (v) boosted or step-down become the first power supply (v1) and export.
At this, three capacitors (C1, C2, C3) can be the capacitors that capacitance is identical, may also be the mutually different capacitor of capacitance.
One end of second capacitor unit (84) is accessed between the first capacitor unit and transmitting coil, namely forms with the first capacitor unit and is connected in parallel, and two capacitors (C4, C5) connection parallel with one another in the second capacitor unit.
At this, when the switch of switch portion (86) does breakdown action, the second source (v2) corresponding with the integration capacitance device of the first capacitor unit (82) can be supplied transmitting coil (80) by two capacitors (C4, C5)
That is, when the switch of switch portion (86) does breakdown action, the first power supply (v1) that second capacitor unit (84) exports corresponding to the first capacitor unit (82), supplies transmitting coil (80) by charge power supply respective for two capacitors (C4, C5) or through the second source (v2) that capacitor boost or step-down become.
Now, because first, second capacitor unit (82,84) adopts mutual juxtaposition to connect, change by electric capacity, finally make transmitting coil (80) launch first, second wireless power signal (sp1, sp2) with different frequency.
Switch portion (86), makes switch perform by control part (90) according to first, second control signal (sc1, sc2) and opens and closes action, and control the some supply transmitting coils (80) in first, second power supply (v1, v2).
Now, switch portion (86) can be electronic switch, as FET(field-effect transistor), BJT(bipolar junction transistor) and OP-AMP(operational amplifier) in some.
That is, shown in composition graphs 3 and Fig. 4, when the first control signal (sc1) makes switch perform breakdown action, the first power supply (v1) that switch portion (86) can make the first capacitor unit (82) export supplies transmitting coil (80); When the second control signal (sc1) makes switch perform breakdown action, the second source (v2) that switch portion (86) can rely on the integration capacitance of first, second capacitor unit (82,84) to generate supplies transmitting coil (80).
Control part (90) receives the wireless charging signal from mobile phone (100), confirms as magnetic induction WPC standard mode or PMA standard mode according to above-mentioned wireless charging information.
After this, when the acceptance division of mobile phone (100) receives the first wireless power signal (sp1) of WPC standard mode, control part (90) can export the first control signal (sc1) to switch portion (86); When the acceptance division of mobile phone (100) receives the second wireless power signal (sp2) of PMA standard mode, control part (90) can export the second control signal (sc2) to switch portion (86).
As mentioned above, the wireless charging device of the present invention, for mutually different first, second power supply (v1, v2) is supplied transmitting coil (80), what first confirm that the acceptance division of mobile phone (100) receives is the signal of magnetic induction WPC standard mode or the signal of PMA standard mode, then according to the various criterion mode confirming gained, the integration capacitance of first, second capacitor unit (82,84) is changed.Therefore, there is the advantage that can make circuit simplification.
From concrete wireless charging control flow, known as shown in Figure 3, control part (90) exports the first control signal (sp1) according to the wireless charging information of mobile phone (100).Now, switch portion (86) makes switch perform breakdown action by means of the first control signal (sc1), supplies charge power supply by zero line side to two capacitors (C4, C5) being included in the second capacitor unit (84).In addition, the first capacitor unit (82) (v) generates the first power supply (v1) by means of the power supply and input power being filled with three capacitors (C1, C2, C3), and supplies transmitting coil (80).
First wireless power signal (sp1) is transmitted to mobile phone (100) by means of the first power supply (v1) by transmitting coil (80).
Known as shown in Figure 4, control part (90) exports the second control signal (sp2) according to the wireless charging information of mobile phone (100).
Now, switch portion (86) makes switch perform breakdown action by means of the first control signal (sc1), will be filled with the power supply of two capacitors (C4, C5) being included in the second capacitor unit (84), and release towards the first capacitor unit (82) direction.
In addition, the first capacitor unit (82), by means of being filled with the power supply of three capacitors (C1, C2, C3) and input power (v), exports the first power supply (v1).
Finally, transmitting coil (80) can receive the power supply and the first power supply (v1) integration second source (v2) thereon that are exported by first, second capacitor unit (82,84), and the second wireless power signal (sp2) is transmitted to mobile phone (100).
Wireless charger of the present invention, the terminating machine no matter relying on WPC standard mode and A4WP standard mode to carry out wireless charging is any type, all in automobile, configure integrated emission part, by carrying out the change of electronic controllable to the electric capacity of decision output frequency size, different electrical power is exported to transmitting coil, achieve the hardware integration of wireless power signal transmitter module, have and reduce costs, avoid the advantage increasing volume.
Except above preferred embodiment, the present invention can also have other execution mode, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.
Claims (8)
1. wireless charger, it is characterized in that being made up of transmitting coil, radiating circuit and control part, wherein said transmitting coil is the coil part of one of transmitting two kinds of wireless power signal, and described transmitting coil, radiating circuit and control part are integrated in one and described radiating circuit is controlled by control part and the kind of corresponding wireless power signal supplies the first power supply and second source respectively to transmitting coil.
2. wireless charger according to claim 1, it is characterized in that: described radiating circuit is provided with the first capacitor unit, the second capacitor unit and switch portion, wherein said switch portion to be located between the second capacitor unit and zero line side and to be controlled by control part and performs switch motion, and one end of described second capacitor unit is accessed between the first capacitor unit and transmitting coil.
3. wireless charger according to claim 2, is characterized in that: described first capacitor unit and the second capacitor unit are the circuit unit of each self-contained at least two Capacitance parallel connections.
4. wireless charger according to claim 2, is characterized in that: described switch portion is be controlled by control part to perform and open or the electronic switch of closing motion.
5. wireless charger according to claim 4, is characterized in that: described electronic switch is at least FET, BJT or OP-AMP.
6. wireless charger according to claim 1, is characterized in that: described switch portion is controlled by control part and performs breakdown action, and the integration capacitance of corresponding first capacitor unit of described first power supply and the second capacitor unit exports transmitting coil to.
7. wireless charger according to claim 1, is characterized in that: described switch portion is controlled by control part and performs closing motion, and described second source exports transmitting coil to based on the electric capacity of the first capacitor unit.
8. wireless charger according to claim 1, is characterized in that: the wireless charging information of described control part external reception mobile phone, the first power supply that switching controls supplies to transmitting coil or second source.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20150100073 | 2015-07-14 | ||
| KR10-2015-0100073 | 2015-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105391185A true CN105391185A (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510667542.9A Pending CN105391185A (en) | 2015-07-14 | 2015-10-16 | Wireless charger |
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Citations (5)
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|---|---|---|---|---|
| US20140354223A1 (en) * | 2013-06-03 | 2014-12-04 | Lg Electronics Inc. | Wireless power transfer method, wireless power transmitter and wireless charging system |
| US20150022145A1 (en) * | 2013-07-22 | 2015-01-22 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting communication power in wireless power transmission system |
| CN104348236A (en) * | 2013-07-24 | 2015-02-11 | 中兴通讯股份有限公司 | Wireless charging device and method |
| CN104539060A (en) * | 2009-03-30 | 2015-04-22 | 富士通株式会社 | Wireless power supply system, wireless power transmission device and wireless powered devices |
| CN104716747A (en) * | 2013-12-12 | 2015-06-17 | 财团法人车辆研究测试中心 | Wireless charging system and control method thereof |
-
2015
- 2015-10-16 CN CN201510667542.9A patent/CN105391185A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539060A (en) * | 2009-03-30 | 2015-04-22 | 富士通株式会社 | Wireless power supply system, wireless power transmission device and wireless powered devices |
| US20140354223A1 (en) * | 2013-06-03 | 2014-12-04 | Lg Electronics Inc. | Wireless power transfer method, wireless power transmitter and wireless charging system |
| US20150022145A1 (en) * | 2013-07-22 | 2015-01-22 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting communication power in wireless power transmission system |
| CN104348236A (en) * | 2013-07-24 | 2015-02-11 | 中兴通讯股份有限公司 | Wireless charging device and method |
| CN104716747A (en) * | 2013-12-12 | 2015-06-17 | 财团法人车辆研究测试中心 | Wireless charging system and control method thereof |
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| CB02 | Change of applicant information |
Address after: No. 185, Guo Xing Road, Guo Lane Street, Wuzhong District, Suzhou, Jiangsu Applicant after: Suzhou Rui Yan Electronic Technology Co., Ltd. Applicant after: KK Electronics Ltd Address before: 215124 Wuzhong District, Suzhou province Guo Xiangshan Xing Road, Hedong Industrial Park, No. 185, No. Applicant before: Suzhou Huachang Electromechanical Co., Ltd. Applicant before: TAITONG KABUSHIKI KAISHA |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160309 |
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| RJ01 | Rejection of invention patent application after publication |