CN203119583U - Wireless charging transmitting device and wireless charging receiving device - Google Patents
Wireless charging transmitting device and wireless charging receiving device Download PDFInfo
- Publication number
- CN203119583U CN203119583U CN2013200808989U CN201320080898U CN203119583U CN 203119583 U CN203119583 U CN 203119583U CN 2013200808989 U CN2013200808989 U CN 2013200808989U CN 201320080898 U CN201320080898 U CN 201320080898U CN 203119583 U CN203119583 U CN 203119583U
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- circuit
- power supply
- resonance coil
- wireless charging
- direct current
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Abstract
A wireless charging transmitting device and a wireless charging receiving device comprise a direct-current power supply, a magnetic induction detection circuit, an oscillation circuit, a driving circuit, a secondary resonance coil, a rectifying circuit, a voltage stabilizing circuit and a charging circuit. The magnetic induction detection circuit is connected with the direct-current power supply and is used for detecting whether a wireless charging transmitting and receiving device is located in an effective charging range; the oscillation circuit is used for converting direct current into high-frequency alternating-current square wave signals; the driving circuit is used for amplifying the high-frequency alternating-current square wave signals and driving a primary resonance coil to transmit alternating electromagnetic signals to the secondary resonance coil; the secondary resonance coil is used for receiving the alternating electromagnetic signals transmitted by the primary resonance coil and generating alternating current; the rectifying circuit is used for rectifying the alternating current to generate direct current; the voltage stabilizing circuit is connected with the rectifying circuit and is used for stabilizing the voltage of the direct current to generate constant-voltage direct current; and the charging circuit is connected with the voltage stabilizing circuit and is used for receiving the constant-voltage direct current to charge a battery. With the wireless charging transmitting device and the wireless charging receiving device which are disclosed by the utility model, the battery can be wirelessly charged, and the movement range of a mobile electronic device is expanded.
Description
Technical field
The utility model relates to power transmission technology field, in particular, relates to a kind of wireless charging emitter and receiving system.
Background technology
Charger is to adopt power electronics semiconductor device, and voltage and the constant alternating current of fixed-frequency are transformed to galvanic a kind of static ac dc converter device.Charger is of many uses in every field, particularly is widely used in mobile electronic devices such as notebook computer, mobile phone, MP3, MP4, digital camera, PSP and portable audio at sphere of life.
Although there are wireless transmission methods such as infrared, radio frequency, bluetooth to reduce the number of cables of electronic equipment, but the most basic electric power transfer still is based on wire transmission, the battery that need have the right mobile electronic device of the charger of special-purpose cable charges, and the length of power cable has restricted the moving range of mobile electronic device.
The utility model content
In view of this, the utility model provides a kind of wireless charging device, and the length that can overcome cable has restricted the problem of the moving range of mobile electronic device.
For achieving the above object, the utility model provides following technical scheme:
A kind of wireless charging emitter comprises: DC power supply, oscillating circuit, magnetic induction testing circuit, drive circuit and a resonance coil;
Be connected with DC power supply, detect the magnetic induction testing circuit whether wireless charging receiver is positioned at the charging effective range;
Be connected with the magnetic induction testing circuit with DC power supply, direct current be converted to the oscillating circuit of high-frequency ac square-wave signal;
Be connected with oscillating circuit, DC power supply and a resonance coil, amplify resonance coil of high-frequency ac square-wave signal driving to the drive circuit of secondary resonance coil emission alternating electromagnetism signal.
Preferably, DC power supply is the DC power supply.
Preferably, also comprise: be connected with DC power supply, show the power supply indicator of DC power supply connection status.
Preferably, also comprise: be connected with the magnetic induction testing circuit, show the charging indicator light of charged state.
A kind of wireless charging receiver comprises: secondary resonance coil, rectification circuit, voltage stabilizing circuit, charging circuit and battery;
Receive the alternating electromagnetism signal of a resonance coil emission, generate the secondary resonance coil of alternating current;
Be connected with the secondary resonance coil, alternating current carried out rectification generate galvanic rectification circuit;
Be connected with rectification circuit, direct current carried out voltage stabilizing generate the galvanic voltage stabilizing circuit with constant voltage;
Be connected with voltage stabilizing circuit, receive the charging circuit that direct current with constant voltage charges to battery.
Via above-mentioned technical scheme as can be known, compared with prior art, the utility model discloses a kind of wireless charging emitter and receiving system, comprising: DC power supply, oscillating circuit, magnetic induction testing circuit, drive circuit and a resonance coil; Secondary resonance coil, rectification circuit, voltage stabilizing circuit, charging circuit and battery; Be connected with DC power supply, detect the magnetic induction testing circuit whether wireless charging receiver is positioned at the charging effective range; Be connected with the magnetic induction testing circuit with DC power supply, direct current be converted to the oscillating circuit of high-frequency ac square-wave signal; Be connected with oscillating circuit, DC power supply and a resonance coil, amplify resonance coil of high-frequency ac square-wave signal driving to the drive circuit of secondary resonance coil emission alternating electromagnetism signal; Receive the alternating electromagnetism signal of a resonance coil emission, generate the secondary resonance coil of alternating current; Be connected with the secondary resonance coil, alternating current carried out rectification generate galvanic rectification circuit; Be connected with rectification circuit, direct current carried out voltage stabilizing generate the galvanic voltage stabilizing circuit with constant voltage; Be connected with voltage stabilizing circuit, receive the charging circuit that direct current with constant voltage charges to battery.By the disclosed a kind of wireless charging emitter of the utility model and receiving system, realized battery is carried out wireless charging, thereby avoid using cable that battery is charged, the charging scope is not influenced by length of cable, has enlarged the moving range of mobile electronic device.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the accompanying drawing that provides.
A kind of wireless charging emitter structural representation that Fig. 1 provides for the utility model embodiment one;
A kind of wireless charging emitter structural representation that Fig. 2 provides for the utility model embodiment two;
A kind of wireless charging emitter structural representation that Fig. 3 provides for the utility model embodiment three;
A kind of wireless charging emitter structural representation that Fig. 4 provides for the utility model embodiment four;
A kind of wireless charging receiver structural representation that Fig. 5 provides for the utility model embodiment five.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one
The utility model embodiment discloses a kind of wireless charging emitter, as shown in Figure 1, comprising: DC power supply 11, magnetic induction testing circuit 12, oscillating circuit 13, drive circuit 14 and a resonance coil 15;
Be connected with DC power supply 11, detect the magnetic induction testing circuit 12 whether wireless charging receiver is positioned at the charging effective range;
Be connected with magnetic induction testing circuit 12 with DC power supply 11, direct current be converted to the oscillating circuit 13 of high-frequency ac square-wave signal;
Be connected with oscillating circuit 13, DC power supply 11 and a resonance coil 15, amplify resonance coil 15 of high-frequency ac square-wave signal driving to the drive circuit 14 of secondary resonance coil emission alternating electromagnetism signal.
In the utility model embodiment, DC power supply is the DC power supply, can provide constant 18V direct current for the wireless charging emitter.
The disclosed a kind of wireless charging emitter of the utility model can be converted to direct current the alternating electromagnetism signal.
Embodiment two
As shown in Figure 2, a kind of wireless charging emitter also comprises: be connected the power supply indicator 16 of display power supply connection status with DC power supply 11.
When DC power supply 11 begins to power for the wireless charging emitter, be connected with DC power supply 11, the power supply indicator 16 of display power supply connection status is lighted or is glimmered.
When DC power supply 11 disconnects, show that the power supply indicator 16 of DC power supply connection status extinguishes.
Thereby, can whether work from the operating state intuitive judgment DC power supply 11 of power supply indicator 16.
Embodiment three
As shown in Figure 3, a kind of wireless charging emitter also comprises: be connected with magnetic induction testing circuit 12, show the charging indicator light 17 of charged state.
Concrete, magnetic induction testing circuit 12 is Hall switch, when detecting wireless charging receiver, magnetic induction testing circuit 12 is positioned at charging during effective range, 12 conductings of magnetic induction testing circuit, and the charging indicator light 17 of the demonstration charged state that is connected with magnetic induction testing circuit 12 is lighted or is glimmered; When magnetic induction testing circuit 17 detected wireless charging receiver and is positioned at the position of charging beyond the limited range, electromagnetic induction detects electricity 17 to be ended, and the charging indicator light 17 of the demonstration charged state that is connected with magnetic induction testing circuit 17 extinguishes.
Thereby, can whether send the alternating electromagnetism signal to wireless charging receiver from the operating state intuitive judgment wireless charging emitter of charging indicator light 17.
Embodiment four
As shown in Figure 4, a kind of wireless charging emitter also comprises: be connected with magnetic induction testing circuit 12, the charging indicator light 17 that shows charged state with is connected the power supply indicator 16 of demonstration DC power supply connection status with DC power supply 11.
Thereby, can whether work from the operating state intuitive judgment DC power supply 11 of power supply indicator 16, can whether send the alternating electromagnetism signal to wireless charging receiver from the operating state intuitive judgment wireless charging emitter of charging indicator light 17.
Embodiment five
The utility model embodiment one to four discloses a kind of wireless charging emitter, and the utility model embodiment five discloses a kind of wireless charging receiver, and the alternating electromagnetism signal that receives the emission of wireless charging emitter charges to battery.
A kind of wireless charging receiver comprises as shown in Figure 5: secondary resonance coil 21, rectification circuit 22, voltage stabilizing circuit 23, charging circuit 24 and battery 25;
Receive the alternating electromagnetism signal of a resonance coil emission, generate the secondary resonance coil 21 of alternating current;
Be connected with secondary resonance coil 21, alternating current carried out rectification generate galvanic rectification circuit 22;
Be connected with rectification circuit 22, direct current carried out voltage stabilizing generate the galvanic voltage stabilizing circuit 23 with constant voltage;
Be connected with voltage stabilizing circuit 23, receive the charging circuit 24 that direct current with constant voltage charges to battery 25.
Wherein, galvanic constant voltage is 5V.
The utility model five disclosed a kind of wireless charging receivers can be converted to direct current to battery charge with the alternating electromagnetism signal.
The utility model five disclosed a kind of wireless charging receivers match with disclosed a kind of wireless charging device among above-mentioned any embodiment, can realize the wireless charging to battery, thereby the moving range of mobile electronic device no longer is subjected to the influence of charger length of cable, has enlarged the moving range of mobile electronic device.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with the embodiment disclosed method, so description is fairly simple, relevant part partly illustrates referring to method and gets final product.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments herein.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a wireless charging emitter is characterized in that, comprising: DC power supply, oscillating circuit, magnetic induction testing circuit, drive circuit and a resonance coil;
Be connected with described DC power supply, detect the described magnetic induction testing circuit whether wireless charging receiver is positioned at the charging effective range;
Be connected with described magnetic induction testing circuit with described DC power supply, direct current be converted to the oscillating circuit of high-frequency ac square-wave signal;
Be connected with described oscillating circuit, described DC power supply and a described resonance coil, amplify described high-frequency ac square-wave signal and drive a described resonance coil to the described drive circuit of secondary resonance coil emission alternating electromagnetism signal.
2. device according to claim 1 is characterized in that, described DC power supply is the DC power supply.
3. device according to claim 1 is characterized in that, also comprises: be connected with described DC power supply, show the power supply indicator of described DC power supply connection status.
4. according to claim 1 or 3 described any devices, it is characterized in that, also comprise: be connected with described magnetic induction testing circuit, show the charging indicator light of charged state.
5. a wireless charging receiver is characterized in that, comprising: secondary resonance coil, rectification circuit, voltage stabilizing circuit, charging circuit and battery;
Receive the alternating electromagnetism signal of a resonance coil emission, generate the described secondary resonance coil of alternating current;
Be connected with described secondary resonance coil, described alternating current carried out rectification generate galvanic described rectification circuit;
Be connected with described rectification circuit, described direct current carried out voltage stabilizing generate the galvanic described voltage stabilizing circuit with constant voltage;
Be connected with described voltage stabilizing circuit, receive the described charging circuit that described direct current with constant voltage charges to described battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200808989U CN203119583U (en) | 2013-02-22 | 2013-02-22 | Wireless charging transmitting device and wireless charging receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200808989U CN203119583U (en) | 2013-02-22 | 2013-02-22 | Wireless charging transmitting device and wireless charging receiving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203119583U true CN203119583U (en) | 2013-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200808989U Expired - Fee Related CN203119583U (en) | 2013-02-22 | 2013-02-22 | Wireless charging transmitting device and wireless charging receiving device |
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| Country | Link |
|---|---|
| CN (1) | CN203119583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104793761A (en) * | 2014-01-17 | 2015-07-22 | 瑞鼎科技股份有限公司 | Touch control pen with wireless charging function and operation method thereof |
-
2013
- 2013-02-22 CN CN2013200808989U patent/CN203119583U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104793761A (en) * | 2014-01-17 | 2015-07-22 | 瑞鼎科技股份有限公司 | Touch control pen with wireless charging function and operation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20160222 |