CN2762420Y - Radio charger - Google Patents
Radio charger Download PDFInfo
- Publication number
- CN2762420Y CN2762420Y CN 200420119116 CN200420119116U CN2762420Y CN 2762420 Y CN2762420 Y CN 2762420Y CN 200420119116 CN200420119116 CN 200420119116 CN 200420119116 U CN200420119116 U CN 200420119116U CN 2762420 Y CN2762420 Y CN 2762420Y
- Authority
- CN
- China
- Prior art keywords
- electric weight
- wireless charging
- charging device
- induction
- induction coil
- 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.)
- Expired - Fee Related
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- Y02E60/12—
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a wireless charging device which comprises an electromagnetic inducting module and an electric quantity processing module, wherein the electromagnetic inducting module is used for converting the changed magnetic energy into a first inducting electric quantity, and an output terminal of the electromagnetic inducting module is electrically connected with an input terminal of the electric quantity processing module. After the electric quantity processing module receives the first inducting electric quantity, the electric quantity processing module is processed, and the processed electric quantity is output to a host machine system of an electronic device or a charging battery. Thus, the utility model utilizes the wireless charging mode to replace the wired charging mode, which is convenient for the charge of the electronic device.
Description
[technical field]
The utility model provides a kind of charging device, particularly a kind of wireless charging device.
[background technology]
Along with the communication technology, particularly developing rapidly of mobile communication technology worldwide has increasing people and brings into use various portable electronic commodity (as mobile phone and personal digital assistant etc.).The portable electronic commodity with its be easy to carry, advantage such as easy to use liked by people.Existing portable electronic commodity can obtain power supply by following dual mode, a kind of mode is for utilizing the external life of the charging adapter AC power that is complementary with the portable electronic commodity, another kind of mode is at the suitable internal battery of the internal preset of portable electronic commodity, no matter uses the power supply of above-mentioned any mode all can make these portable electronic commodity reach the purpose of operate as normal.Yet; existing charging adapter is to be connected in life with between AC power and the portable electronic commodity in wired mode; but more limited because of the length of the connecting line of charging adapter, usually can make troubles, and carrying of charging adapter can comparatively bother to the user.
[summary of the invention]
Main purpose of the present utility model is to provide a kind of wireless charging device that charges in the mode of electromagnetic induction.
For reaching above purpose, the utility model provides a kind of wireless charging device, comprise an electromagnetic induction module and an electric weight processing module, this electromagnetic induction module is converted to one first induction electric weight in order to the magnetic energy that will change, and the output of this electromagnetic induction module electrically connects the input of this electric weight processing module, this electric weight processing module after receiving this first induction electric weight is handled it, and the electric weight after will handling exports the host computer system of an electronic installation to.In addition, also can export the electric weight after handling to a rechargeable battery.
Compared to prior art, the utility model utilizes electromagnetic induction principle, convert the magnetic energy that changes to electric weight, no longer need charging adapter and the wired connection of life, only need wireless charging device is positioned in the magnetic energy region of variation and can begin automatic charging with AC power; Thereby brought convenience to the user.In addition, if in the electronic installation a built-in wireless charging device, then do not need charging adapter correspondingly during charge electronic devices; Thereby economize moving the carrying of charging adapter of having gone.
[description of drawings]
Fig. 1 is the application circuit module map of the utility model wireless charging device.
Fig. 2 is the circuit diagram of electromagnetic wave generation module.
Fig. 3 is the application circuit of the utility model wireless charging device.
Fig. 4 is the Another Application circuit diagram of the utility model wireless charging device.
[embodiment]
See also shown in Figure 1, wireless charging device 100 of the present invention is in order to export electric energy to the host computer system 200 of one electronic installation (for example mobile phone, personal digital assistant, palmtop PC etc.), this wireless charging device 100 can be built in this electronic installation, perhaps this wireless charging device 100 is separated setting with this electronic installation, for example, this wireless charging device 100 can be arranged to the shape of cradle, and this wireless charging device 100 and this electronic installation be electrically connected by conductor (not shown).
This wireless charging device 100 comprises an electromagnetic induction module 1 and an electric weight processing module 2, this electromagnetic induction module 1 is converted to one first induction electric weight in order to the magnetic energy that will change, and the output of this electromagnetic induction module 1 connects the input of this electric weight processing module 2, this electric weight processing module 2 after receiving this first induction electric weight is handled it, and the electric weight after will handling exports the input of host computer system 200 to.Wherein, the magnetic energy of variation is to be produced by an electromagnetic wave generation module 6.
See also shown in Figure 2ly, this electromagnetic wave generation module 6 is made up of a control chip 60, a light-emitting diode 61 and peripheral circuit thereof, and the work by these control chip 60 these light-emitting diodes 61 of control makes this light-emitting diode 61 send suitable electromagnetic wave.
See also shown in Figure 3, this electromagnetic induction module 1 is to be converted to one first induction electric weight by being used in combination with the magnetic energy that will change of one first induction coil 11 and one first magnetic core 10, this first induction coil 11 is wound in the periphery of this first magnetic core 10, and draws the first input end 110 and second input 111 from the two ends of first induction coil 11.In addition, this electromagnetic induction module 1 also can adopt the induction coil of no magnetic core that the magnetic energy that changes is converted to the first induction electric weight.The first input end 110 of first induction coil 11 electrically connects the input of a switch control element 12 (being photistor) in present embodiment, second input 111 of this first induction coil 11 electrically connects the output of this switch control element 12, and second input, 111 ground connection of this first induction coil 11.The operating voltage of this switch control element 12 is provided by a direct current power supply 15, the input of this switch control element 12 electrically connects an end of a resistance 13, and the other end of this resistance 13 electrically connects the positive pole of this DC power supply 15, and the minus earth of this DC power supply 15.
This electric weight processing module 2 can be handled the first induction electric weight.In the present embodiment, be being used in combination by one second induction coil 21 and one second magnetic core 20 to convert the first induction electric weight to one second induction electric weight, this second induction coil 21 is wound in the periphery of this second magnetic core 20, this second induction coil 21 is arranged side by side with this first induction coil 11, and draws first output 210 and second output 211 from the two ends of second induction coil 21.Second output, 211 ground connection of this second induction coil 21, and first output 210 of this second induction coil 21 electrically connects an input of a voltage comparison unit 23 (can be a comparator), the output of this voltage comparison unit 23 electrically connects the input of this host computer system 200, another input end grounding of this voltage comparison unit 23.
In the present embodiment, also be connected in series a rectifier cell 22 (as crystal diode) between the input (input of non-ground connection) of first output 210 of this second induction coil 21 and this voltage comparison unit 23, this rectifier cell 22 can make unidirectional this voltage comparison unit 23 that exports to of this second induction electric weight, and first output 210 of this second induction coil 21 electrically connects the positive pole of this rectifier cell 22, and the input of this voltage comparison unit 23 electrically connects the negative pole of this rectifier cell 22.In addition, the negative pole of this rectifier cell 22 also electrically connects an end of an electric capacity 24, the other end ground connection of this electric capacity 24.
During use, the wireless charging device 100 that is provided with the electronic installation of built-in wireless charging device 100 or separate with electronic installation is positioned in the emitting area of electromagnetic wave generation module 6, this electromagnetic wave generation module 6 is the magnetic energy of emission variation outwards.When the magnetic flux that passes first induction coil 11 changes, produce the first induction electric weight (comprising first induced current and first induced voltage) in this first induction coil 11.This first induction electric weight converts one second induction electric weight (comprising second induced current and second induced voltage) to behind second induction coil 21, wherein induced voltage satisfies " number of turn of the number of turn of second induced voltage/first induced voltage=second induction coil 21/first induction coil 11 ".Thus, the number of turn that can adjust the number of turn of first induction coil 11 and second induction coil 21 is adjusted the size of second induced voltage.The output electric weight of this second induction electric weight behind rectifier cell 22 is unidirectional electric weight, this unidirectional electric weight can compare processing behind this voltage comparison unit 23, the reference voltage of supposing voltage comparison unit 23 is 6V, when unidirectional electric weight during greater than 6V, output voltage is 5V then, thereby obtains stable electric weight to keep the operate as normal of host computer system 200.
See also shown in Figure 4, wireless charging device 100 also can be in order to export electric energy to one rechargeable battery 300, this rechargeable battery 300 can be located in this electronic installation, also can be located at outside this electronic installation, the input of this rechargeable battery 300 electrically connects the output of this voltage comparison unit 23, the output head grounding of this rechargeable battery 300.Electric weight after this voltage comparison unit 23 will be handled exports rechargeable battery 300 to.Other structure identical with Fig. 3 is repeated description no longer.
Claims (10)
1. wireless charging device, in order to electric energy is exported to the host computer system of an electronic installation, it is characterized in that: this wireless charging device comprises an electromagnetic induction module and an electric weight processing module, this electromagnetic induction module is converted to one first induction electric weight in order to the magnetic energy that will change, and the output of this electromagnetic induction module connects the input of this electric weight processing module, this electric weight processing module after receiving this first induction electric weight is handled it, and the electric weight after will handling exports the input of host computer system to.
2. wireless charging device according to claim 1 is characterized in that: this wireless charging device is built in this electronic installation.
3. wireless charging device according to claim 1 is characterized in that: this wireless charging device separates setting with this electronic installation, and can this wireless charging device and this electronic installation be electrically connected by conductor.
4. according to claim 1,2 or 3 described wireless charging devices, it is characterized in that: this electromagnetic induction module comprises one first induction coil, draws the first input end and second input from the two ends of first induction coil.
5. wireless charging device according to claim 4 is characterized in that: this electromagnetic induction module also comprises one first magnetic core, and this first induction coil is wound in the periphery of this first magnetic core.
6. wireless charging device according to claim 4, it is characterized in that: this electromagnetic induction module also comprises a switch control element, the input of this switch control element is connected with the first input end of first induction coil, and the output of this switch control element is connected with second input of first induction coil.
7. wireless charging device according to claim 4, it is characterized in that: this electric weight processing module comprises one second induction coil and one second magnetic core, this second induction coil is wound in the periphery of second magnetic core, this second induction coil and first induction coil are arranged side by side, this second induction coil is in order to be converted to one second induction electric weight with the first induction electric weight, and draw first output and second output from the two ends of second induction coil, second output head grounding of this second induction coil.
8. wireless charging device according to claim 7, it is characterized in that: this electric weight processing module also comprises a voltage comparison unit, one input of this voltage comparison unit electrically connects first output of this second induction coil, another input end grounding of this voltage comparison unit, the output of this voltage comparison unit electrically connects the input of this host computer system.
9. wireless charging device according to claim 8, it is characterized in that: also be connected in series a rectifier cell between first output of this second induction coil and the input of this voltage comparison unit, and first output of this second induction coil electrically connects the positive pole of this rectifier cell, and the input of this voltage comparison unit electrically connects the negative pole of this rectifier cell.
10. wireless charging device, in order to electric energy is exported to a rechargeable battery, it is characterized in that: this wireless charging device comprises an electromagnetic induction module and an electric weight processing module, this electromagnetic induction module is converted to one first induction electric weight in order to the magnetic energy that will change, and the output of this electromagnetic induction module connects the input of this electric weight processing module, this electric weight processing module after receiving this first induction electric weight is handled it, and the electric weight after will handling exports the input of this rechargeable battery to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420119116 CN2762420Y (en) | 2004-12-30 | 2004-12-30 | Radio charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420119116 CN2762420Y (en) | 2004-12-30 | 2004-12-30 | Radio charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2762420Y true CN2762420Y (en) | 2006-03-01 |
Family
ID=36095536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420119116 Expired - Fee Related CN2762420Y (en) | 2004-12-30 | 2004-12-30 | Radio charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2762420Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102947124A (en) * | 2010-05-19 | 2013-02-27 | 高通股份有限公司 | Adaptive wireless energy transfer system |
| CN101814749B (en) * | 2009-02-20 | 2013-10-09 | 鸿富锦精密工业（深圳）有限公司 | Charging device |
| CN103078368B (en) * | 2006-03-15 | 2016-04-13 | 株式会社半导体能源研究所 | Electric power supply system and the electric power supply system for motor vehicle |
-
2004
- 2004-12-30 CN CN 200420119116 patent/CN2762420Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078368B (en) * | 2006-03-15 | 2016-04-13 | 株式会社半导体能源研究所 | Electric power supply system and the electric power supply system for motor vehicle |
| CN101814749B (en) * | 2009-02-20 | 2013-10-09 | 鸿富锦精密工业（深圳）有限公司 | Charging device |
| CN102947124A (en) * | 2010-05-19 | 2013-02-27 | 高通股份有限公司 | Adaptive wireless energy transfer system |
| US8884581B2 (en) | 2010-05-19 | 2014-11-11 | Qualcomm Incorporated | Adaptive wireless energy transfer system |
| CN102947124B (en) * | 2010-05-19 | 2017-02-08 | 高通股份有限公司 | Adaptive wireless energy transfer system |
| US9656564B2 (en) | 2010-05-19 | 2017-05-23 | Qualcomm Incorporated | Adaptive wireless energy transfer system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |