CN103944212B - A kind of long distance wireless charging device - Google Patents
A kind of long distance wireless charging device Download PDFInfo
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- CN103944212B CN103944212B CN201410034246.0A CN201410034246A CN103944212B CN 103944212 B CN103944212 B CN 103944212B CN 201410034246 A CN201410034246 A CN 201410034246A CN 103944212 B CN103944212 B CN 103944212B
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- 238000007600 charging Methods 0.000 title claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000010248 power generation Methods 0.000 claims description 13
- 230000006978 adaptation Effects 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 9
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 210000002414 leg Anatomy 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 206010057855 Hypotelorism of orbit Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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Abstract
A kind of long distance wireless charging device, relate to a kind of magnetic and transmit wireless charging device, the present invention utilizes Magnetic drive principle, external magnet is utilized to drive the inner magnet in mobile power generating device to rotate, thus allow inner magnet drive electrical generators generate electricity, then give dress charging of mobile devices on the mobile device.Mobile power generating device boombox, can use as the external voice box of mobile device simultaneously.Compared with prior art, the present invention can carry out wireless charging to mobile device by the longer segment distance in interval, can carry out arbitrary operation simultaneously without the restriction of power line when charging; Moreover, this device also has external voice box, can enable voice is louder more shakes.Solve charging distance in existing wireless charging technology near, in wired charging, mobile device carries out operating the problem being subject to power line restriction.
Description
Technical field
The present invention relates to a kind of wireless charging device, especially a kind of magnetic transmits wireless charging device.
Background technology
Along with development in science and technology, mobile device is day by day universal, and mobile device brings great convenience for user, but almost often kind of mobile device all has the inadequate difficult problem of battery capacity, need frequent charge, along with the development of science and technology, emerge increasing wireless charging technology.Wireless charging device mainly utilizes electromagnetic induction principle to carry out electric energy and magnetic field exchanges, and reaches the object of charging to electronic installation.Simple application about electromagnetic induction principle is as follows.First, electric energy is provided to make electric current produce changes of magnetic field by the coil in wireless charging device, then, changes of magnetic field in coil-induced environment in mobile device, and changes of magnetic field is converted to electric current, and then the battery in electronic installation is charged, complete the wireless charging of mobile device.At present, wireless charging device arranges charging platform on its surface mostly, for user's holding movable equipment, because the distance between coil and coil has great impact for the effect that induced field changes, if the position that mobile device is placed is incorrect, make the coil of the coil distance wireless charging device in mobile device too remote, then the changes of magnetic field that the changes of magnetic field that mobile device is responded to produces far away from wireless charging device.Generally speaking, present mobile device must be placed on the effect very near distance just having charging, within 10 centimetres, if distance exceedes this scope, then must cannot complete the process of charging in most cases.This situation makes the present mobile charging device scope of application narrow, can only serve as the charger that does not have line, at some time, when such as needing to use equipment for a long time, charges not as good as direct wired charger.The technology of present wireless charging does not reach the wireless charging of the longer distance of desired requirement.
Summary of the invention
The present invention is directed to deficiency of the prior art, provide a kind of long distance wireless charging device, wireless charging can be carried out to mobile device by the longer segment distance in interval, arbitrary operation can be carried out when charging simultaneously without the restriction of power line; Moreover, this device also has external voice box, can enable voice is louder more shakes.Solve charging distance in existing wireless charging technology near, in wired charging, mobile device carries out operating the problem being subject to power line restriction.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals: a kind of long distance wireless charging device, comprise transmission device and mobile power generating device, described transmission device comprises rotation support device and gear box, magnet disk is provided with in described gear box, drive motors and controller, magnet disk described in described drive motors drives rotates, described mobile power generating device comprises power generation box and driving box, screen is provided with between described power generation box and described driving box, described driving box is provided with main body box, the magnet ring matched with described magnet disk is provided with in described driving box, microgenerator and the micromodule pressurizer of the magnet ring described in connection is provided with in described power generation box, micromodule pressurizer described in described microgenerator connects, rechargeable battery and bridge joint mainboard are set in described main body box, micromodule pressurizer described in described bridge joint mainboard connects and described rechargeable battery, described bridge joint mainboard comprises Master control chip, battery charge controlling chip and several power adaptation assemblies, described bridge joint mainboard is also arranged the interface matched with described power adaptation assembly, described interface is provided with connecting line, described connecting line exposes outside described main body box, described main body box is provided with clamping device, described bridge joint mainboard also comprises by audio control chip, described main body box both sides are provided with loud speaker, loud speaker described in described audio control chip controls, bridge joint mainboard is provided with audio connecting cord, described audio connecting cord head exposes outside described main body box.
Such setting, present invention uses the principle of magnetic drive, through drive motors, the magnet disk of rotating in gear box is rotated, then utilizes magnetic force that the magnet ring in driving box is rotated, the electrical power generators in most relief magnet ring drive power generation box.The area of magnet disk is much larger than magnet ring, as long as the projected area of magnet ring is in magnet disk, magnet disk magnet ring just can be allowed to rotate, and magnet disk is strong magnet, as long as the magnetic force of magnet disk just can transmit effective magnetic force 1.5 to 2 meters enough by force.Magnet disk can also electromagnet if necessary, does not have magnetic when not opening, can at any time according to distance adjustment magnetic when needs transmits time, the magnetic force of such electromagnet generation more greatly, transmission farther.
Mobile power generating device comprises main body box, and main body box is provided with clamping device, and mobile device is panel computer such as, and mobile phone is by clamping device is fixed on main body box.After magnet ring rotates, drive microgenerator generates electricity, the electric power that microgenerator produces becomes the electric current with burning voltage by micromodule pressurizer, then the battery charge controlling chip on bridge joint mainboard carries out charge and discharge control to rechargeable battery under controlling, and is directly charged to mobile device by connecting line after this strand of electric current can also carry out voltage adaptation by the power adaptation assembly on bridge joint mainboard simultaneously.As long as the magnet ring like this in mobile power generating device has projected area all the time in magnet disk, magnet disk just can be charged by magnet ring in mobile power generating device, and what the mobile device be placed on mobile power generating device was just able to continuously receives electric power.Also be provided with the power supply that different power adaptation assemblies produces different voltage, be different charging of mobile devices simultaneously.So, while charging, just can carry out other operate, the not constraint of charging wire length when being confined to wired charging, is also no longer confined to the problem of hypotelorism during existing wireless charging.Mobile device is because the reason of volume again, its built-in sound box system does not occur, can not represent stereo when using mobile device to see film completely, main body box is provided with loud speaker, by connecting the audio connecting cord of audio control chip, mobile device can be allowed to be connected with loud speaker, and loud speaker is arranged on main body box both sides, can perfectly represent stereo.Mobile power generating device can directly to charging of mobile devices, and be also provided with rechargeable battery in mobile power generating device, in emergency circumstances, mobile power generating device can also use as the portable power source of mobile device simultaneously.
In technique scheme, preferably, the gyro sensor, direction sensor and the signal generator that are controlled by described bridge joint mainboard is provided with in described main body box, described driving box is provided with by the generating laser processed of described bridge joint mainboard control, in described transmission device, is also provided with the laser pickoff controlled by described controller and signal receiver.
In technique scheme, preferably, described rotation support device comprises base, rotary electric machine is provided with in described base, described base is provided with the rotary turnplate coordinated with described rotary electric machine, described rotary turnplate is provided with two electric cylinders, described electric cylinder upper end is connected with support column, described support column is provided with electric rotation shaft, and described gear box is arranged between the electric rotation shaft described in two.
Such setting, gyro sensor is had in main body box, direction sensor and signal generator, immediately position and the attitude of mobile power generating device can be known like this, determine the position relationship between driving box and gear box, these data of mobile power generating device are sent to controller by signal generator, gear box can at electric rotation shaft under the control of the controller, spin upside down under the effect of rotary turnplate and electric cylinder, stretch up and down, left rotation and right rotation, make driving box when mobile, gear box keeps certain position relationship with driving box all the time, the magnetic force of magnet disk can be transmitted to all the time on magnet ring.
In technique scheme, preferably, described main body box four sides are respectively provided with two buckles, and described buckle is provided with dismountable handle.Such setting, because present mobile device screen can overturn, is respectively provided with two buckles in main body box four sides, buckle is provided with dismountable handle; After the upset of mobile device screen, handle can be pulled down, arrests mobile power generating device again installing to both sides personnel easy to use.
In technique scheme, preferably, described main body box is provided with the first sliding tray and second sliding tray that are parallel to each other, described clamping device comprises two holders matched with described first sliding tray and described second sliding tray, described holder two ends are provided with spacing preiection, described holder is provided with the first fixing button matched with described first sliding tray and the second fixing button matched with described second sliding tray, described holder is provided with elastic sponge.Such setting, mobile device varies, and size is also inconsistent, adopts the clamping device that can regulate can mobile device that perfectly fixed size size is different, on holder, be provided with elastic sponge simultaneously, the infringement on mobile device surface can not be caused in clamping process.
In technique scheme, preferably, described main body box is also provided with unlatching indicator light, several relay indicating lights that charge, volume adjusting touches bar.Whether such setting, start mobile charging equipment all very clear in action with which power adaptation assembly, can also touch bar regulate volume by volume adjusting.
Compared with prior art, the invention has the beneficial effects as follows: wireless charging can be carried out to mobile device by the longer segment distance in interval, arbitrary operation can be carried out when charging simultaneously without the restriction of power line; Moreover, this device also has external voice box, can enable voice is louder more shakes.Solve charging distance in existing wireless charging technology near, in wired charging, mobile device carries out operating the problem being subject to power line restriction.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is transmission device front schematic view of the present invention.
Fig. 3 is transmission device side schematic view of the present invention.
Fig. 4 is mobile power generating device schematic top plan view of the present invention.
Fig. 5 is mobile power generating device schematic diagram in top down perspective of the present invention.
Fig. 6 is main body box schematic front perspective view of the present invention.
Fig. 7 is main body box front schematic view of the present invention.
Fig. 8 is mobile power generating device side schematic view of the present invention.
Fig. 9 is mobile power generating device of the present invention and connecting rod schematic diagram.
Figure 10 is mobile power generating device of the present invention and operation panel schematic diagram.
Figure 11 is mobile power generating device of the present invention and knee-pad plate schematic diagram.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
As shown in Figure 1 to 11, a kind of wireless charging device, comprise transmission device 1 and mobile power generating device 2, transmission device 1 comprises rotation support device 12 and gear box 11, is provided with magnet disk 111, drive motors 115, controller 112, laser pickoff 114 and signal receiver 113 in gear box 11.Laser pickoff 114 is positioned at gear box 11 central authorities.Rotation support device 12 comprises base 121, rotary electric machine 122 is provided with in base 121, base 121 is provided with the rotary turnplate 123 coordinated with rotary electric machine 122, rotary turnplate 123 differs and is decided to be circle, conveniently place, generally be provided with rectangle, rotary turnplate 123 can rotate certain angle by respect thereto 121 under the drive of rotary electric machine 122.Rotary turnplate 123 is provided with two electric cylinders 124, electric cylinder 124 upper end is connected with support column 125, support column 125 is provided with electric rotation shaft 126, and gear box 11 is arranged between two electric rotation shafts 126.
Mobile power generating device 2 comprises main body box 23, power generation box 22 and driving box 21, is provided with screen 29 between power generation box 22 and driving box 21, screen 29 mainly electromagnetic shielding material.Be provided with the magnet ring 211 matched with magnet disk 111 in driving box 21, driving box 21 is also provided with generating laser 212.
The microgenerator 221 and micromodule pressurizer 222 and first radiator fan 223 that connect magnet ring 211 is provided with in power generation box 22.Microgenerator 221 connects micromodule pressurizer 222, and power generation box 22 upper side is provided with first and falls apart air port 224, and right flank is provided with first air intake vent 225.
Rechargeable battery 231, hard disk 232, bridge joint mainboard 24, gyro sensor 246, direction sensor 247 and signal generator 248 are set in main body box 23.Bridge joint mainboard 24 connects micromodule pressurizer 222, rechargeable battery 231 and hard disk 232.Bridge joint mainboard 24 controls gyro sensor 246, direction sensor 247 and signal generator 248.Bridge joint mainboard 24 comprises Master control chip 241, battery charge controlling chip 245, bridging chip 243, audio control chip 244 and several power adaptation assemblies 242, bridge joint mainboard 24 is also arranged the interface 249 matched with power adaptation assembly 242, interface 249 is provided with connecting line 263, connecting line 263 exposes outside main body box 23, and connecting line 263 other end is provided with connector 266.The electric current of voltage regulation of micromodule pressurizer 222 is by becoming the electric current of different voltage to be applicable to different charging of mobile devices after different power adaptation assemblies 242, because different mobile device has different interfaces, so connector 266 model is different, to connect different mobile devices.In main body box 23, both sides are also provided with loud speaker 233, and loud speaker 233 connects audio control chip 244, and main body box 23 two sides are provided with mouth 237 of raising one's voice.Main body box 23 is also provided with second radiator fan 234, and main body box upper side second is fallen apart air port 235 for this reason, and right flank is provided with second air intake vent 236.Audio control chip 244 is also connected with audio connecting cord 265, and audio connecting cord 265 exposes outside main body box 23.
Main body box 23 front is provided with the first sliding tray 251 and second sliding tray 252 that are parallel to each other, first sliding tray 251 and second sliding tray 252 are provided with two holders matched 253, holder 253 two ends are provided with spacing preiection 254, holder 253 is provided with the first fixing button 255 matched with first sliding tray 251 and the second fixing button 256 matched with second sliding tray 252, holder 253 is provided with elastic sponge.Main body box 23 front is also provided with opens indicator light 261, is provided with charging relay indicating light 362 and the volume adjusting that is connected with audio control chip 244 touches bar 264 each connecting line 263 of stretching out is other.
Main body box 23 4 sides are respectively provided with external interface 239 and two buckles 238, buckle 238 can be arranged as required dismountable handle 3, dismountable connecting rod 41 or dismountable knee-pad plate 61.Connecting rod 41 bottom is provided with secondary telescopic mast 43, and secondary telescopic mast 43 moves and is arranged in main telescopic mast 42, main telescopic mast 42 is provided with spacing button 44 and controls the flexible of secondary telescopic mast 43.Tripod 45 is provided with below main telescopic mast 42.Knee-pad plate 61 bottom is provided with the elastic cotton 62 matched with knee.
External interface 239 can be connected with dismountable operation panel 5, operation panel 5 can be fixed on main body box 23 sidepiece by connecting buckle 238, operation panel 5 is provided with several operating keys 52, be provided with key control chip 51 in operation panel 5, control chip 51 is connected with the bridge joint mainboard 24 in main body box 23 by external interface 239.
During use, first transmission device 1 is put into wall limit or limit, corner, aims at sofa, the work such as office chair or bed is had a rest article, because most people uses the place use that all can oneself allowed to feel comfortably cool during mobile device for a long time.Then the mobile device varied in size is put on main body box 23, is then fixed by two holders 253, because there is elastic sponge on holder 253, the infringement on mobile device surface can not be caused in clamping process.Then mobile device is connected with the connecting line 263 that voltage matches.Because have rechargeable battery 231 in main body box 23, initial electrical can be provided for mobile power generating device 2.The microgenerator 221 in power generation box 22 is allowed to generate electricity, first mobile power generating device 2 is needed to aim at gear box 11, start generating laser 21, the laser pickoff 114 on gear box 11 is allowed to receive signal, after continuing the acknowledge(ment) signal several seconds, start drive motors 115 magnet dish 111, allow magnet disk 111 magnet ring 211 rotate by the principle of magnetic drives.Only have the drive efficiency when magnet ring 211 aligned magnetic body disc 111 center the highest, but only have magnet ring 211 in the scope of magnet disk 111, magnet disk 111 can rotate by magnet ring 211.In order to more efficient operation, gyro sensor 246, direction sensor 247 and signal generator 248 are set in main body box 23, timely the location status of mobile power generating device 2 is sent in transmission device 1, then allows the position between magnet ring 211 and magnet disk 111 all the time in certain scope by rotation support device 12 rotation is flexible.When mobile power generating device 2 differs too large with gear box 1 position, controller 112 judges that transmission efficiency is too low, and magnet disk 111 stops automatically, replys at initial position under the effect of rotation support device 12 simultaneously.
In order to better use, handle 3 can be installed additional by the buckle 238 of main body box 23 side, because present mobile device all has screen rotation function, so four sides all have buckle 238, librarian use easy to use.Use handle 3 easily to cause the tired relative gear box 11 of mobile power generating device 2 that simultaneously also can allow continue wobble effects transmission efficiency if long-time, at this moment connecting rod 41 or knee-pad plate 61 can be installed additional on buckle 238, connecting rod 41 can firmly support mobile power generating device 2, very conveniently to use in bed with on sofa, user of service lie on a bed or on sofa time leg can through in tripod 45.Knee-pad plate 61 can be placed on the leg rolled, supports mobile power generating device 2 by the strength of knee.
Present most mobile device is all touch-screen type equipment, do not have physical button that operation sense can be allowed to decline when playing some game, so four sides are also provided with external interface 239 on main body box 23, operation panel 5 can pass through external interface 239, bridge joint mainboard 24 is connected with mobile device, operation panel 5 is provided with several operating keys 52.If in order to obtain the experience that better works, external interface 239 can also connect the keyboard-type operation panel matched.Also have loud speaker 233 in main body box 23, rechargeable battery 231, hard disk 232, when using mobile device, mobile power generating device 2 can also serve as external voice box, and portable power source and portable hard drive use.Usual mobile device only has an outlet sound mouth, perfection cannot simulate stereo, main body box 23 both sides are provided with two loud speakers 233, as long as after audio connecting cord 265 is connected to mobile device, the loud speaker 233 of both sides just can be allowed to speak, obtain better speaker effect.Main body box 23 is also provided with volume adjusting and touches bar 264, loud speaker 233 volume can be regulated at any time easily.Main body box 23 inside arranges rechargeable battery 231, when being to depart from transmission between mobile power generating device 2 and gear box 11, mobile power generating device 2 still can give mobile power supply equipment, user of service can be allowed so always need not to keep allowing mobile power generating device 2 aim at the attitude of gear box 11, make user of service obtain better comfort level.General, when mobile power generating device 2 and gear box 11 transmission, rechargeable battery 231 does not give mobile power supply equipment, just starts to power when only having mobile power generating device 2 and gear box 11 to depart from.The memory capacity of mobile device is general all fewer, arranges hard disk 232 and can provide higher memory space for mobile device in main body box 23.
Claims (5)
1. a long distance wireless charging device, it is characterized by, comprise transmission device (1) and mobile power generating device (2), described transmission device (1) comprises rotation support device (12) and gear box (11), magnet disk (111) is provided with in described gear box (11), drive motors (115) and controller (112), magnet disk (111) described in described drive motors (115) drives rotates, described mobile power generating device (2) comprises power generation box (22) and driving box (21), screen (29) is provided with between described power generation box (22) and described driving box (21), described power generation box (22) is provided with main body box (23), the magnet ring (211) matched with described magnet disk (111) is provided with in described driving box (21), microgenerator (221) and the micromodule pressurizer (222) of the magnet ring (211) described in connection is provided with in described power generation box (22), micromodule pressurizer (222) described in described microgenerator (221) connects, rechargeable battery (231) and bridge joint mainboard (24) are set in described main body box (23), micromodule pressurizer (222) described in described bridge joint mainboard (24) connects and described rechargeable battery (231), described bridge joint mainboard (24) comprises Master control chip (241), battery charge controlling chip (245) and several power adaptation assemblies (242), described bridge joint mainboard (24) is also arranged the interface (249) matched with described power adaptation assembly (242), described interface (249) is provided with connecting line (263), described connecting line (263) exposes at described main body box (23) outward, described main body box (23) is provided with clamping device, described bridge joint mainboard (24) also includes audio control chip (244), described main body box (23) both sides are provided with loud speaker (233), loud speaker (233) described in described audio control chip (244) controls, bridge joint mainboard (24) is provided with audio connecting cord (265), described audio connecting cord (265) head exposes at described main body box (23) outward, described main body box (23) is provided with the first sliding tray (251) be parallel to each other and second sliding tray (252), described clamping device comprises two holders (253) matched with described first sliding tray (251) and described second sliding tray (252), described holder (253) two ends are provided with spacing preiection (254), described holder (253) is provided with the first fixing button (255) matched with described first sliding tray (251) and the second fixing button (256) matched with described second sliding tray (252), described holder (253) is provided with elastic sponge.
2. a kind of long distance wireless charging device according to claim 1, it is characterized by, the gyro sensor (246) controlled by described bridge joint mainboard (24) is provided with in described main body box (23), direction sensor (247) and signal generator (248), described driving box (21) is provided with the generating laser (212) controlled by described bridge joint mainboard (24), the laser pickoff (114) controlled by described controller (112) and signal receiver (113) is also provided with in described transmission device (1).
3. a kind of long distance wireless charging device according to claim 1, it is characterized by, described rotation support device (12) comprises base (121), rotary electric machine (122) is provided with in described base (121), described base (121) is provided with the rotary turnplate (123) coordinated with described rotary electric machine (122), described rotary turnplate (123) is provided with two electric cylinders (124), described electric cylinder (124) upper end is connected with support column (125), described support column (125) is provided with electric rotation shaft (126), described gear box (11) is arranged between the electric rotation shaft (126) described in two.
4. a kind of long distance wireless charging device according to claim 1, it is characterized by, described main body box (23) four sides are respectively provided with two buckles (238), and described buckle (238) is provided with dismountable handle (3).
5. a kind of long distance wireless charging device according to claim 1, it is characterized by, described main body box (23) is also provided with and opens indicator light (261), several chargings relay indicating light (262) and volume adjusting touch bar (264).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410034246.0A CN103944212B (en) | 2014-01-24 | 2014-01-24 | A kind of long distance wireless charging device |
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| CN201410034246.0A CN103944212B (en) | 2014-01-24 | 2014-01-24 | A kind of long distance wireless charging device |
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| CN103944212A CN103944212A (en) | 2014-07-23 |
| CN103944212B true CN103944212B (en) | 2015-12-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307401A (en) * | 2000-01-31 | 2001-08-08 | 赵克 | Feedback light generator system |
| CN101510626A (en) * | 2008-02-14 | 2009-08-19 | 德昌电机(深圳)有限公司 | Portable electronic device with electrification function |
| CN102142696A (en) * | 2010-01-29 | 2011-08-03 | 宁波维科电池有限公司 | Multifunctional portable power supply device for mobile phone |
| CN103532256A (en) * | 2013-10-31 | 2014-01-22 | 武汉大学 | Novel wireless electric energy transmission device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101771283B (en) * | 2008-12-29 | 2012-10-10 | 鸿富锦精密工业（深圳）有限公司 | Charging system |
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2014
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307401A (en) * | 2000-01-31 | 2001-08-08 | 赵克 | Feedback light generator system |
| CN101510626A (en) * | 2008-02-14 | 2009-08-19 | 德昌电机(深圳)有限公司 | Portable electronic device with electrification function |
| CN102142696A (en) * | 2010-01-29 | 2011-08-03 | 宁波维科电池有限公司 | Multifunctional portable power supply device for mobile phone |
| CN103532256A (en) * | 2013-10-31 | 2014-01-22 | 武汉大学 | Novel wireless electric energy transmission device |
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Denomination of invention: A remote wireless charging device Effective date of registration: 20231120 Granted publication date: 20151202 Pledgee: China Co. truction Bank Corp Yuyao branch Pledgor: NINGBO ZSNOW ELECTRONICS Co.,Ltd. Registration number: Y2023980066470 |