CN208522514U - Wireless charging device and system - Google Patents

Abstract

The invention relates to wireless charging devices and system.The device includes the first guide rail, drive part and transmitting coil, which is used for: driving first guide rail to move, and the transmitting coil is driven to move along first guide rail；The transmitting coil is used for: transmission of electromagnetic signals, to carry out wireless charging to the charging equipment for being provided with receiving coil.The wireless charging device and system of the embodiment of the present application, may be implemented the adjustment of the position of transmitting coil, so as to improve charge efficiency, promote user experience.

Description

Wireless charging device and system

Technical field

This application involves wireless charging field more particularly to wireless charging device and systems.

Background technique

With popularizing for wireless charging, more and more electronic equipments all support wireless charging function, and existing wireless Transmitting coil on charging base, which is substantially, to be fixed on the base, and which results in equipment when being placed on pedestal, is used Family needs capturing position, once position deviation, charge efficiency will be reduced, and seriously affects user experience.

Utility model content

This application provides a kind of wireless charging device and systems, and the adjustment of the position of transmitting coil may be implemented, thus Charge efficiency can be improved, promote user experience.

On the one hand, a kind of wireless charging device is provided, comprising: the first guide rail, drive part and transmitting coil, it is described Drive part is used for: driving the first guide rail movement, and the driving transmitting coil are moved along first guide rail；It is described Transmitting coil is used for: transmission of electromagnetic signals, to carry out wireless charging to the charging equipment for being provided with receiving coil.Optionally, The wireless charging device further includes the second guide rail, and second guide rail is fixedly installed in the wireless charging device, described Drive part is also used to: driving first guide rail is moved along second guide rail.

On the other hand, provide a kind of wireless charging system, including wireless charging device and using wireless charging end device into The charging equipment of row wireless charging, wherein wireless charging device includes: the first guide rail, drive part and transmitting coil, institute State drive part to be used for: driving the first guide rail movement, and the driving transmitting coil are moved along first guide rail；Institute Transmitting coil is stated to be used for: transmission of electromagnetic signals, to carry out wireless charging to the charging equipment for being provided with receiving coil.It is optional Ground, the wireless charging device further include the second guide rail, and second guide rail is fixedly installed in the wireless charging device, institute State drive part to be also used to: driving first guide rail is moved along second guide rail.

It therefore, include the first guide rail, drive part and emission lines in wireless charging device in the scheme of the application Circle drives the movement of the first guide rail and driving transmitting coil to move along the first guide rail, so as to realize hair by drive part The automatic calibration of the position of ray circle promotes user experience to improve charge efficiency.

Detailed description of the invention

Fig. 1 is the schematic figure according to the application wireless charging system.

Fig. 2 is the schematic block diagram according to the wireless charging device of the embodiment of the present application.

Fig. 3 is another schematic figure according to the wireless charging device of the embodiment of the present application.

Fig. 4 is another schematic block diagram according to the wireless charging system of the embodiment of the present application.

Fig. 5 is the schematic figure according to the setting of the infrared heat sensor of the embodiment of the present application.

Fig. 6 is the schematic figure according to the pressure sensor of the embodiment of the present application.

Fig. 7 is schematically schemed according to the wireless charging device for being provided with charging equipment of the embodiment of the present application.

Fig. 8 is the schematic figure according to the positional relationship of the transmitting coil and receiving coil of the embodiment of the present application.

Specific embodiment

Below in conjunction with attached drawing, technical solutions in the embodiments of the present application is described.

The embodiment of the present application is based on wireless charging technology and charges to charging equipment, and wireless charging technology does not need electricity The transmission of power can be completed in cable, can simplify the operation of charging preparation stage.

Wireless charging technology generally provides power supply to equipment (such as adapter) and wireless charging device (such as wireless charging bottom Seat) it is connected, and power supply is provided to the output power of equipment wirelessly (such as electromagnetic signal) by the wireless charging device It is transmitted to charging equipment, wireless charging is carried out to charging equipment.

It is different according to wireless charging principle, wireless charging mode be broadly divided into magnetic coupling (or electromagnetic induction), magnetic resonance with And three kinds of modes of radio wave.Currently, the wireless charging standard of mainstream includes QI standard, power supply material object alliance (power Matters alliance, PMA) standard, wireless power source alliance (alliance for wireless power, A4WP).QI mark Quasi- and PMA standard is all made of magnetic coupling mode and carries out wireless charging.A4WP standard carries out wireless charging using magnetic resonance mode.

Below with reference to Fig. 1, wireless charging mode is introduced.

As shown in Figure 1, wireless charging system includes that power supply provides equipment 110, wireless charging device 120 and to be charged sets Standby 130, wherein wireless charging device 120 for example can be wireless charging pedestal, and charging equipment 130 for example can be terminal.

After power supply offer equipment 110 is connect with wireless charging device 120, power supply can be provided to the output electricity of equipment 110 It is streamed to wireless charging device 120.Wireless charging device 120 can be mentioned power supply by internal radio transmitter 120 It is converted into electromagnetic signal for the output electric current of equipment 110 and is emitted.

Wherein, which may include wireless transmission driving circuit (not shown) and transmitting coil 122, wherein the output electric current that power supply can be provided equipment 110 by the wireless transmission driving circuit is converted into alternating current, and passes through The alternating current is converted into electromagnetic signal by transmitting coil 122.

Charging equipment 130 can receive the electromagnetism that radio transmitter 121 emits by wireless receiving circuit 131 to be believed Number, and the electromagnetic signal is converted into the output electric current of wireless receiving circuit 131.For example, the wireless receiving circuit 131 can lead to It crosses receiving coil 122 and the electromagnetic signal that radio transmitter 121 emits is converted into alternating current, and the alternating current is rectified And/or the operation such as filtering, which is converted into the output voltage and output electric current of wireless receiving circuit 131.

Specifically, wireless receiving circuit 131 may include receiving coil, and be connected with the receiving coil and receiving antenna The shaping circuits such as rectification circuit and/or filter circuit.Receiving coil can be used for converting electromagnetic signal into alternating current, shaping circuit It can be used for converting alternating current to the output voltage and output electric current of wireless receiving circuit 131.

It should be noted that the embodiment of the present application obtains the concrete form of shaping circuit and shaping circuit shaping later Output voltage and output electric current form be not specifically limited.

In some embodiments, shaping circuit may include rectification circuit and filter circuit, wireless receiving circuit 131 it is defeated The stable voltage that voltage can obtain later for filtering out.In further embodiments, shaping circuit may include rectified current The output voltage on road, wireless receiving circuit 131 can be the voltage of the pulsating waveform obtained after rectification, the electricity of the pulsating waveform Pressure is loaded directly into 133 both ends of battery of charging equipment 130 to charge to battery 133.By wireless receiving circuit 131 Output voltage be adjusted to the voltage of pulsating waveform mode can there are many, for example, can remove in wireless receiving circuit 131 Filter circuit only retains rectification circuit.

It is to be appreciated that the output electric current of wireless receiving circuit 131 can charge in an intermittent fashion for battery 133, it should The period of the output electric current of wireless receiving circuit 131 can follow the alternating current such as alternating current of input wireless charging system 200 The frequency of net is changed, for example, frequency corresponding to the period of the output electric current of wireless receiving circuit 131 is mains frequency Integral multiple or inverse times.Also, when the output electric current of wireless receiving circuit 131 can charge in an intermittent fashion for battery 133, The corresponding current waveform of output electric current of wireless receiving circuit 231 can be the composition of one or a set of pulse with synchronized. The size periodic transformation of the voltage/current of pulses can reduce the analysis of lithium battery compared with traditional constant dc Lithium phenomenon, improves the service life of battery, and advantageously reduces the polarity effect of battery, improve charging rate, reduce battery Fever, thus guarantee charging equipment charging when it is safe and reliable.

Before wireless charging, wireless charging device 120 and charging equipment 130 can negotiate radio transmitter in advance 121 transmission power.Assuming that the power negotiated between wireless charging device 120 and charging equipment 130 is 5W, then wireless receiving The output voltage and output electric current of circuit 131 are generally 5V and 1A.Assuming that wireless charging device 120 and charging equipment 130 it Between the power negotiated be 10.8W, then the output voltage of wireless receiving circuit 131 and output electric current are generally 9V and 1.2A.

The output voltage of wireless receiving circuit 131 is not appropriate for being loaded directly into 133 both ends of battery, but needs to first pass through Translation circuit 132 in charging equipment 130 is converted, to obtain filling desired by the battery 133 in charging equipment 130 Piezoelectric voltage and/or charging current.

Translation circuit 132 can be used for converting the output voltage of wireless receiving circuit 131 (such as constant pressure and/or constant current Control), to meet the demand of charging voltage desired by battery 133 and/or charging current.

As an example, which can refer to charge management module, such as charge integrated circuit (integrated circuit, IC).In the charging process of battery 133, translation circuit 132 can be used for filling to battery 133 Piezoelectric voltage and/or charging current are managed.The translation circuit 132 may include Voltage Feedback function, and/or, current feedback Function, to realize the management to the charging voltage and/or charging current of battery 133.

For example, the charging process of battery may include trickle charge stage, constant-current charging phase and constant voltage charging phase In one or more.In the trickle charge stage, translation circuit 132 can be made using current feedback function in trickle charge rank The electric current that section enters battery 133 meets charging current desired by battery 133 (for example the first charging current).In constant current Charging stage, translation circuit 132 can make the electric current for entering battery 133 in constant-current charging phase meet using current feedback function (for example the second charging current, second charging current can be greater than the first charging electricity to charging current desired by battery 133 Stream).In constant voltage charging phase, translation circuit 132 can be loaded into battery in constant voltage charging phase using Voltage Feedback function The size of the voltage at 133 both ends meets charging voltage size desired by battery 133.

As an example, when the output voltage of wireless receiving circuit 131 is greater than charging voltage desired by battery 133 When, translation circuit 132 can be used for carrying out decompression processing to the output voltage of wireless receiving circuit 131, so that after decompression conversion To charging voltage meet charging voltage demand desired by battery 133.As another example, when wireless receiving circuit 131 Output voltage be less than battery 133 desired by charging voltage when, translation circuit 132 can be used for wireless receiving circuit 131 Output voltage carries out boosting processing, so that the charging voltage obtained after boost conversion meets charging voltage desired by battery 133 Demand.

As another example, by taking wireless receiving circuit 131 exports 5V constant voltage as an example, when battery 133 includes single electricity When core (by taking lithium battery electric core as an example, the charge cutoff voltage of single battery core is generally 4.2V), translation circuit 132 (such as Buck Reduction voltage circuit) can the output voltage to wireless receiving circuit 131 carry out decompression processing so that obtained charging voltage after decompression Meet charging voltage demand desired by battery 133.

As another example, by taking wireless receiving circuit 131 exports 5V constant voltage as an example, when battery 133 includes mutually going here and there When two sections of connection or the above battery core of two sections (by taking lithium battery electric core as an example, the charge cutoff voltage of single battery core is generally 4.2V), Translation circuit 132 (such as Boost circuit) can the output voltage to wireless receiving circuit 131 carry out boosting processing so that The charging voltage obtained after must boosting meets charging voltage demand desired by battery 133.

During the charging process, when transmitting coil 122 and receiving coil 131 are spatially in alignment with state, charge efficiency is It is highest.However, transmitting coil 122 is usually the fixation position being arranged in wireless charging device 120, this allows for user and exists When charging equipment is placed on wireless charging device 120, capturing position is needed, enables transmitting coil 122 and receiving coil 131 Alignment, once position deviation, charge efficiency will be reduced, and seriously affect user experience.

Therefore, to solve this problem, adjustment mechanism will be arranged in wireless charging device 120 in the embodiment of the present application, the tune Position of the adjustable transmitting coil 122 of complete machine structure in the wireless charging device 120.

As shown in Fig. 2, the wireless charging device 200 may include the first guide rail 310, transmitting coil 220 and driving portion Divide 230.Specifically, which is used for: driving first guide rail 210 to move, and drives 220 edge of transmitting coil First guide rail 210 movement；The transmitting coil 220 is used for: transmission of electromagnetic signals, to set to being provided with the to be charged of receiving coil It is standby to carry out wireless charging.

Transmitting coil 220 can be set in any position in wireless charging device 200, and can pass through drive part Driving moves in the wireless charging device 200, and can be in any position in motion range to being provided with receiving coil Charging equipment carry out wireless charging.

It should be understood that the transmitting coil 220 in the embodiment of the present application can also be known as transmitting antenna, corresponding, the application is real The receiving coil for applying example can also be known as receiving antenna.

And the embodiment of the present application is not especially limited the structural form of transmitting coil 220 and receiving coil, for example, Transmitting coil 220 or receiving coil can be it is circular, it is rectangular or oval etc..

In addition, the moving region of transmitting coil 220 can be arbitrary shape, such as circular, it is rectangular or oval Deng corresponding, the chargeable range of the wireless charging device 200 is also possible to arbitrary shape.Also, the movement of transmitting coil 220 Region can be less than or equal to the occupied region area of shell of wireless charging device 200, and shape can be with the shape of shell Shape is identical or not identical.

Drive part 230 can be moved by the movement of the first guide rail 210 of driving and driving transmitting coil 220, with adjustment Transmitting coil 220 is in the intracorporal position of shell of wireless charging device 200.

Therefore, in the embodiment of the present application, the guide rail that can be moved is set in wireless charging device, and drive part can be controlled It makes the guide rail and moves and control transmitting coil and moved in the guide rail, and then adjust position of the transmitting coil in wireless charging device It sets, so as to realize that the automatic calibration of position of transmitting coil promotes user experience to improve charge efficiency.

In order to which the application is more clearly understood, the wireless charging device of this Shen is described below with reference to specific embodiment.

Fig. 3 shows the schematic diagram of the wireless charging device according to the embodiment of the present application.As shown in figure 3, wireless charging Denso Setting 300 (can be charging unit 200 shown in Fig. 2) may include the first guide rail 311, transmitting coil 340 and drive part (not shown).Wherein, which can do first in plane motion, such as Fig. 3 in the wireless charging device 300 Guide rail 311 can move in a circle around center line；The center of transmitting coil 340 is 341, which can edge The movement of first guide rail 311, for example, settable first connecting portion at the center 341 of the transmitting coil 340, by this first Interconnecting piece is moved along the first guide rail 311, which can be sliding block.

Optionally, which can also include the first draught line 312, be drawn by first draught line 312 The transmitting coil 340 is moved to move along the first guide rail 311.

Specifically, which can also include the first spring 313, wherein one end of the first spring 313 It is connect with one end of the first draught line 312, the other end of the first spring 313 is solid relative to the other end 314 of the first guide rail 311 It is fixed, in addition, the drive part of the wireless charging device 300 may include at least one motor 330, at least one motor 330 In may include first motor (not shown), the other end of the first draught line 312 passes through one end of the first guide rail 311, and with this First motor connection.

Also, the center 341 of transmitting coil 340 is moved by first connecting portion along the first guide rail 311, first company Socket part can be set on first draught line 312 or the first spring 313, then the transmitting coil 340 first can be led by this Lead 312 and the first spring 313 move under the driving of first motor along the first guide rail 311.Wherein, the first connecting portion It is arranged on the tie point of the first draught line 312 and the first spring 313, alternatively, the first connecting portion is only directly drawn with first Line 312 connects, alternatively, the first connecting portion is only directly connect with the first spring 313.

Optionally, the first guide rail 311 in the embodiment of the present application can offer slot, and first connecting portion, which can have, to be protruded into To the protrusion in the slot, which can connect with the first draught line 312 or the first spring 313, thus the first draught line 312 or The movement of first spring 313, can drive the movement of first connecting portion.

It should be understood that the motion profile of first guide rail 311 can be linear type or curved shape, as shown in figure 3, here with this First guide rail 311 is illustrated for moving in a circle, and 321 corresponding annulus indicate one end 314 of first guide rail 311 in figure Motion profile be circle.Specifically, which further includes the second draught line 322, second draught line 322 For pulling first guide rail 311 to move.The wireless charging device 300 can also include second spring 323, the second draught line 322 one end is connect with one end of second spring 323, at the fixed planar any point 324 of the other end of second spring 323, The fixed point 324 can be arranged in as shown in Figure 3 on 311 motion profile 321 of the first guide rail, also can be set in other positions On.In addition, at least one motor 330 that the drive part of the wireless charging device 300 includes can also be including the second motor (not Show), the other end of the second draught line 322 is connect with second motor, wherein second draught line 322, which can also bypass, appoints Meaning turning point 325 is connect with second motor, which can be arranged in first guide rail 311 movement rail as shown in Figure 3 On mark 321, also it can be set in other positions.

First guide rail 311 is arranged on second draught line 322 or second spring 323 by second connecting portion, so that should First guide rail 311 moves under the driving of the second draught line 322 and second spring 323, which can be located at should Any position of first guide rail 311, for example, second connecting portion can be located at one end 314 of the first guide rail 311.

In view of pulling the efficiency of the first guide rail 311 movement, second can also be arranged in the wireless charging device 300 and lead Rail, in order to which the first guide rail 311 is moved along second guide rail.Specifically, by taking Fig. 3 as an example, annulus 321 in Fig. 3 indicates the Two guide rails 321.

Specifically, which includes nonparallel first guide rail 311 and the second guide rail 321；Wherein, Opposite 300 position of wireless charging device of two guide rail 321 is fixed, and is provided with transmitting coil 340 on the first guide rail 311, such as make The center 341 of transmitting coil 340 moves on the first guide rail 311, i.e., transmitting coil 340 moves along the first guide rail 311, driving Part is moved for the first guide rail 311 of driving along the second guide rail 321, and driving transmitting coil 340 is transported along the first guide rail 311 It is dynamic.

Optionally, which can also include the first draught line 312 as described above, the first spring 313 and first motor, details are not described herein.

Optionally, which further includes the second draught line 322, and second draught line 322 is for pulling this First guide rail 311 is moved along second guide rail 321.The wireless charging device 300 can also include second spring 323, and second leads One end of lead 322 is connect with one end of second spring 323, and the other end of second spring 323 is fixed on second guide rail 321 At one end 324.In addition, at least one motor 330 that the drive part of the wireless charging device 300 includes can also include second Motor (not shown), the other end of the second draught line 322 are connect with second motor, wherein second draught line 322 can be with It is connect around the other end 325 of the second guide rail 321 with second motor.

First guide rail 311 is moved on the second guide rail 321 by second connecting portion, which can be set at this On second draught line 322 or second spring 323, so that first guide rail 311 is in the second draught line 322 and second spring 323 Driving under moved along the second guide rail 321.Optionally, which can be sliding block.

Wherein it is possible to the second connecting portion is arranged in the junction of second draught line 322 and second spring 323, or Person, the second connecting portion are only directly connect with the second draught line 322, alternatively, the second connecting portion only directly with second spring 323 Connection.

Optionally, the second guide rail 321 in the embodiment of the present application can offer slot, the first guide rail 311 and the second guide rail First connecting portion between 321 can have the protrusion extending into the slot, which can be with the second draught line 322 or the second Spring 323 connects, so that the movement of the second draught line 322 or second spring 323, can drive the movement of first connecting portion.

It should be understood that as shown in figure 3, the shape of second guide rail 321 can be one section of circular arc or a circle, when this When two guide rails 321 are arc-shapeds, one end of second guide rail 321 is 324, the other end 325, i.e. second guide rail 321 can be with For any one section of circular arc on annulus as shown in Figure 3；When second guide rail 321 is circle, one end of second guide rail 321 324 and the other end 325 be a point being overlapped, that is, any point on circular second guide rail 321.

Optionally, in the embodiment of the present application, the second traction of the first motor of above-mentioned the first draught line of pulling 312 and pulling Second motor of line 322 can be different motor, at this point, the different motor can be with alternate-running, that is, in the first guide rail When 311 movement, such as when moved along the second guide rail 321, first motor operating, and the second motor is inoperative, then emits Coil 340 is moved not along the first guide rail 311；Alternatively, when transmitting coil 340 is moved along the first guide rail 311, second Motor operating, and first motor is inoperative, then the first guide rail 311 does not move.

Optionally, in the embodiment of the present application, the motor of above-mentioned pulling the first draught line 312 or the second draught line 322 It can be identical motor, the same motor that the wireless charging device 300 in the embodiment of the present application includes can also include cutting Part is changed, which can make motor switch between the first draught line 312 of drive and the second draught line 322.

For example, as shown in figure 3, the switching part may include first gear 331, second gear 332 and third gear 333, one end of the first draught line 312 connects first gear 331, and one end of the second draught line 322 connects second gear 332, The motor body part of the motor 330 is provided with third gear 333, third gear 333 can respectively with first gear 331 and second 332 engaged transmission of gear.

Specifically, when third gear 333 is engaged with first gear 331, third gear 333 does not connect with second gear 332 Touching can drive the first draught line 312 by motor rotation, under the collective effect of the first spring 313, can extend or shorten The first draught line 312 in first guide rail 311；When third gear 333 is engaged with second gear 332, third gear 333 and One gear 331 does not contact, and can drive the second draught line 322 by motor rotation, under the collective effect of second spring 323, It can extend or shorten the second draught line 322 in the second guide rail 321.

Wherein it is possible to moving parts (not shown) is set on motor, for moving third gear 333, so that the Three gears 333 are engaged with first gear 331 and second gear 332 respectively.

Alternatively, moving parts (not shown) can be set on wireless charging device 300, for move first gear 331 or Second gear 332, so that first gear 331 or second gear 332 are engaged with third gear 333.

It should be understood that the switching part of the embodiment of the present application can also be other ways of realization, the embodiment of the present application is to this It is not especially limited.

It should also be understood that one end of first guide rail 311 can be fixed as shown in figure 3, the first guide rail 311 is linear guide In the center point of the corresponding circular arc of its motion profile or circle, for example, one end of first guide rail 311 can fix the second guide rail The center point of circle where 321.

Therefore, in scheme shown in Fig. 3, first motor can pull one end of the first draught line 312, so that first leads The first draught line 312 in rail 311 shortens, so as to drive transmitting coil 340 along the first guide rail 311 according to first direction (for example, horizontal direction to the left as shown in Figure 3) is mobile, and first motor can be reversed rotation, so that the in the first guide rail One draught line 312 extends, so that the first spring 313 is resetted, also transmitting coil 340 can be driven along phase It is anti-mobile in the second direction of first direction (for example, direction horizontally to the right as shown in Figure 3).

And second motor can pull one end of the second draught line 322 so that the second draught line 322 shortens, so as to To drive the first guide rail 311 mobile according to third direction (for example, clockwise direction as shown in Figure 3), the second motor can be anti- , so that second spring 323 is resetted, first can be also driven to rotation so that the second draught line 322 extends Guide rail 311 is mobile along the fourth direction (for example, counter clockwise direction as shown in Figure 3) in contrast to third direction.

It should be understood that the first spring 313 in Fig. 3 can be replaced by other implementations, for example, the first spring 313 can be with It is replaced by another draught line, which connect with another motor, which can pull another draught line One end, so that the length of the first draught line 312 in first guide rail 311 shortens, so as to drive transmitting coil 340 to move It is dynamic.

And the second spring 323 in Fig. 3 can also be replaced by other implementations, for example, second spring 323 can be with It is replaced by another draught line, which connect with another motor, which can pull another draught line One end, so that the length of the second draught line 322 shortens, so as to drive the first guide rail 311 mobile.

First guide rail 311 shown in Fig. 3 is linear rows guide rail, carries out circular motion under the driving of the second draught line 322, Or the movement along the second guide rail 321, the second guide rail 321 is arc-shaped or circular guideway, in that case, transmitting coil 340 moving region can be fan-shaped or round.

It should be understood that the guide rail that can also be other shapes of the first guide rail 311 and/or the second guide rail 321.

For example, the first guide rail 311 can be linear guide, which is translated, then corresponding, transmitting coil 340 moving region is quadrangle.

Alternatively, the first guide rail 311 can be linear guide, the second guide rail 321 is also possible to linear guide, at this point, transmitting The moving region of coil 340 is also quadrangle.Optionally, the first guide rail 311 and the second guide rail 321 can be mutually perpendicular to, transmitting The moving region of coil 340 is rectangle.

Alternatively, the first guide rail 311 is the guide rail of other irregular shapes, and/or, the second guide rail 321 is also possible to other The guide rail of irregular shape.

Another specific form of wireless charging device is introduced below with reference to Fig. 4.

Fig. 4 shows the schematic diagram of the wireless charging device according to the embodiment of the present application.As shown in figure 4, wireless charging Denso Setting 400 (can be charging unit 200 shown in Fig. 2) may include the first guide rail 411, transmitting coil 440 and drive part (not shown), first guide rail 411 are linear guide.Wherein, which can be in the wireless charging device 400 Doing the first guide rail 411 in plane motion, such as Fig. 4 can vertically translate；The center of transmitting coil 440 is 441, The transmitting coil 440 can be moved along the first guide rail 411, for example, settable at the center 441 of the transmitting coil 440 One interconnecting piece is moved by the first connecting portion along the first guide rail 411, which can be sliding block.

Optionally, which can also include the first draught line 412, be drawn by first draught line 412 The transmitting coil 440 is moved to move along the first guide rail 411.

Specifically, which can also include the first spring 413, wherein one end of the first spring 413 It is connect with one end of the first draught line 412, the other end of the first spring 413 is solid relative to the other end 414 of the first guide rail 411 It is fixed, in addition, the drive part of the wireless charging device 400 may include at least one motor 430, at least one motor 430 In may include first motor (not shown), the other end of the first draught line 412 passes through one end of the first guide rail 411, and with this First motor connection.

Also, the center 441 of transmitting coil 440 is moved by first connecting portion along the first guide rail 411, first company Socket part can be set on first draught line 412 or the first spring 413, then the transmitting coil 440 first can be led by this Lead 412 and the first spring 413 move under the driving of first motor along the first guide rail 411.Wherein, the first connecting portion It is arranged on the tie point of the first draught line 412 and the first spring 413, alternatively, the first connecting portion is only directly drawn with first Line 412 connects, alternatively, the first connecting portion is only directly connect with the first spring 413.

Optionally, the first guide rail 411 in the embodiment of the present application can offer slot, and first connecting portion, which can have, to be protruded into To the protrusion in the slot, which can connect with the first draught line 412 or the first spring 413, thus the first draught line 412 or The movement of first spring 413, can drive the movement of first connecting portion.

It should be understood that the motion profile of first guide rail 411 can be linear type or curved shape, as shown in figure 4, here with this First guide rail 411 is illustrated for translating, and 421 corresponding straight lines indicate that first guide rail 411 is whole along the straight line in figure Translation, the motion profile being correspondingly formed are quadrangle.Specifically, which further includes the second draught line 422, Second draught line 422 is for pulling first guide rail 411 to move.The wireless charging device 400 can also include second spring 423, one end of the second draught line 422 is connect with one end of second spring 423, and the other end of second spring 423 is fixed on plane At interior any point 424, which can be arranged in as shown in Figure 4 on 411 motion profile 421 of the first guide rail, can also be with It is arranged in other positions.In addition, at least one motor 430 that the drive part of the wireless charging device 400 includes can be with Including the second motor (not shown), the other end of the second draught line 422 is connect with second motor, wherein second draught line 422 can also connect with second motor around any turning point 425, the turning point 425 can be arranged in as shown in Figure 4 this On one guide rail, 411 motion profile 421, also it can be set in other positions.

In addition, since the length of the second draught line 422 may be longer, can also be arranged at other positions other at least one A turning point, turning point 426 for example, as shown in figure 4, the embodiment of the present application is not limited to this.

First guide rail 411 is arranged on second draught line 422 or second spring 423 by second connecting portion, so that should First guide rail 411 moves under the driving of the second draught line 422 and second spring 423, which can be located at should Any position of first guide rail 411 for example, second connecting portion can be located at one end 414 of the first guide rail 411, or is located at the The midpoint of one guide rail 411.

In view of pulling the efficiency of the first guide rail 411 movement, second can also be arranged in the wireless charging device 400 and lead Rail, in order to which the first guide rail 411 is moved along second guide rail.Specifically, by taking Fig. 4 as an example, straight line 421 in Fig. 4 indicates the Two guide rails 421, i.e. second guide rail 421 are linear guide.

Specifically, which includes nonparallel first guide rail 411 and the second guide rail 421；Wherein, Opposite 400 position of wireless charging device of two guide rail 421 is fixed, and is provided with transmitting coil 440 on the first guide rail 411, such as make The center 441 of transmitting coil 440 moves on the first guide rail 411, i.e., transmitting coil 440 moves along the first guide rail 411, driving Part is moved for the first guide rail 411 of driving along the second guide rail 421, and driving transmitting coil 440 is transported along the first guide rail 411 It is dynamic.

Optionally, which can also include the first draught line 412 as described above, the first spring 413 and first motor, details are not described herein.

Optionally, which further includes the second draught line 422, and second draught line 422 is for pulling this First guide rail 411 is translated along second guide rail 421.The wireless charging device 400 can also include second spring 423, and second leads One end of lead 422 is connect with one end of second spring 423, and the other end of second spring 423 is fixed on second guide rail 421 At one end 424.In addition, at least one motor 430 that the drive part of the wireless charging device 400 includes can also include second Motor (not shown), the other end of the second draught line 422 are connect with second motor, wherein second draught line 422 can be with It is connect around the other end 425 of the second guide rail 421 with second motor.

First guide rail 411 is moved on the second guide rail 421 by second connecting portion, which can be set at this On second draught line 422 or second spring 423, so that first guide rail 411 is in the second draught line 422 and second spring 423 Driving under moved along the second guide rail 421.Optionally, which can be sliding block.

Wherein it is possible to the second connecting portion is arranged in the junction of second draught line 422 and second spring 423, or Person, the second connecting portion are only directly connect with the second draught line 422, alternatively, the second connecting portion only directly with second spring 423 Connection.

Optionally, the second guide rail 421 in the embodiment of the present application can offer slot, the first guide rail 411 and the second guide rail First connecting portion between 421 can have the protrusion extending into the slot, which can be with the second draught line 422 or the second Spring 423 connects, so that the movement of the second draught line 422 or second spring 423, can drive the movement of first connecting portion.

Optionally, in the embodiment of the present application, the second traction of the first motor of above-mentioned the first draught line of pulling 412 and pulling Second motor of line 422 can be different motor, at this point, the different motor can be with alternate-running, that is, in the first guide rail When 411 movement, such as when moved along the second guide rail 421, first motor operating, and the second motor is inoperative, then emits Coil 440 is moved not along the first guide rail 411；Alternatively, when transmitting coil 440 is moved along the first guide rail 411, second Motor operating, and first motor is inoperative, then the first guide rail 411 does not move.

Optionally, in the embodiment of the present application, the motor of above-mentioned pulling the first draught line 412 or the second draught line 422 It can be identical motor, the same motor that the wireless charging device 400 in the embodiment of the present application includes can also include cutting Part is changed, which can make motor switch between the first draught line 412 of drive and the second draught line 422.

For example, as shown in figure 4, the switching part may include first gear 431, second gear 432 and third gear 433, one end of the first draught line 412 connects first gear 431, and one end of the second draught line 422 connects second gear 432, The motor body part of the motor 430 is provided with third gear 433, third gear 433 can respectively with first gear 431 and second 432 engaged transmission of gear.

Specifically, when third gear 433 is engaged with first gear 431, third gear 433 does not connect with second gear 432 Touching can drive the first draught line 412 by motor rotation, under the collective effect of the first spring 413, can extend or shorten The first draught line 412 in first guide rail 411；When third gear 433 is engaged with second gear 432, third gear 433 and One gear 431 does not contact, and can drive the second draught line 422 by motor rotation, under the collective effect of second spring 423, It can extend or shorten the second draught line 422 in the second guide rail 421.

Wherein it is possible to moving parts (not shown) is set on motor, for moving third gear 433, so that the Three gears 433 are engaged with first gear 431 and second gear 432 respectively.

Alternatively, moving parts (not shown) can be set on wireless charging device 400, for move first gear 431 or Second gear 432, so that first gear 431 or second gear 432 are engaged with third gear 433.

It should be understood that the switching part of the embodiment of the present application can also be other ways of realization, the embodiment of the present application is to this It is not especially limited.

Therefore, in scheme shown in Fig. 4, first motor can pull one end of the first draught line 412, so that first leads The first draught line 412 in rail 411 shortens, so as to drive transmitting coil 440 along the first guide rail 411 according to first direction (for example, horizontal direction to the left as shown in Figure 4) is mobile, and first motor can be reversed rotation, so that the in the first guide rail One draught line 412 extends, so that the first spring 413 is resetted, also transmitting coil 440 can be driven along phase It is anti-mobile in the second direction of first direction (for example, direction horizontally to the right as shown in Figure 4).

And second motor can pull one end of the second draught line 422 so that the second draught line 422 shortens, so as to To drive the first guide rail 411 mobile according to third direction (for example, as shown in Figure 4 vertically upward), the second motor can be with It rotates backward, so that the second draught line 422 extends, so that second spring 423 is resetted, can also drive the One guide rail 411 is mobile along the fourth direction (for example, vertical downward direction as shown in Figure 4) in contrast to third direction.

It should be understood that the first spring 413 in Fig. 4 can be replaced by other implementations, for example, the first spring 413 can be with It is replaced by another draught line, which connect with another motor, which can pull another draught line One end, so that the length of the first draught line 412 in first guide rail 411 shortens, so as to drive transmitting coil 440 to move It is dynamic.

And the second spring 423 in Fig. 4 can also be replaced by other implementations, for example, second spring 423 can be with It is replaced by another draught line, which connect with another motor, which can pull another draught line One end, so that the length of the second draught line 422 shortens, so as to drive the first guide rail 411 mobile.

Since the charge efficiency of charging equipment is the positional relationship of the receiving coil with transmitting coil and charging equipment It is relevant.Hence, it can be determined that the position of the receiving coil of charging equipment, and the position based on the receiving coil, to adjust Position of the transmitting coil in wireless charging device.

For example, the wireless charging device 200 can also include processor, device determines the charging equipment through this process The position of receiving coil, it is contemplated that the motion range of the transmitting coil of the wireless charging device can be determined in the motion range The receiving coil of interior charging equipment is located at target position, in order to which driving device 230 passes through the first guide rail 210 of driving and transmitting Coil 220, so that transmitting coil 220 moves to the target position, and in the target position transmission of electromagnetic signals, to be charged Equipment executes wireless charging.

The position for how determining receiving coil is introduced below with reference to several implementations.

In one implementation, wireless charging device 200 can also include infrared thermoinduction part, for waiting filling at this When electric equipment is charged, infrared thermoinduction is carried out in the motion range of the transmitting coil, obtains the hair of the charging equipment Thermal characteristics；And infrared thermoinduction is exported as a result, in order to which processor is somebody's turn to do according to the infrared thermoinduction as a result, determining to the processor The target position that the receiving coil of charging equipment is located at.

The infrared thermoinduction result being collected into can be embodied in a manner of the cloud atlas that generates heat, and fever cloud atlas embodies various pieces Heat condition.Fever cloud atlas is referred to as thermal imaging cloud atlas or temperature cloud picture etc..

It should be understood that the infrared thermoinduction part can be temperature sensor, such as infrared thermal sensor sensor, the infrared heat Induction part can be fixed below transmitting coil, and keep certain distance.Wherein, this can be according to wireless charging apart from size Device is determined for placing the surface region of charging equipment, it is possible thereby to guarantee the range covering of infrared thermoinduction as far as possible The motion range of transmitting coil.For example, as shown in Figure 5, it is assumed here that wireless charging pedestal 520 is circle, and transmitting coil 521 can To move to 520 any position of wireless charging pedestal, then the infrared thermoinduction part of infrared thermoinduction part 523 includes entire Wireless charging pedestal 520.

Optionally, processor can be according to presupposed information and infrared thermoinduction as a result, determining the target of the receiving coil Position, the presupposed information include each known portions of the charging equipment under specific charging stage and/or charge efficiency Heat-producing characteristics, the heat-producing characteristics which obtains are that the fever under the specific charging stage and/or charge efficiency is special Sign.

Specifically, fever cloud atlas of the charging equipment under each charging stage and/or charge efficiency, the hair can be collected Hot cloud figure may include the information such as maximum temperature point and heating region, and establish a database.It can be by the database information It is input in wireless charging device, in the fever cloud atlas known to the position of the corresponding charging equipment of various pieces, processor It can be in conjunction with preset fever cloud atlas and charging equipment under specific efficiency and/or charge efficiency in specific charging rank Fever cloud atlas under section and/or charge efficiency, determines the target position of receiving coil.

Wherein, processor determines particular transmission feature according to the presupposed information and the heat-producing characteristics of the charging equipment The position corresponding to the charging equipment；According to particular transmission feature position corresponding to the charging equipment, determining should The target position of receiving coil.

It is, in the charging equipment for getting infrared thermoinduction part in specific charging stage and/or charging effect The certain heat feature in fever cloud atlas under rate, goes and the preset hair under the specific charging stage and/or charge efficiency Heat-producing characteristics match in hot cloud figure, are based on preset fever cloud atlas, determine the matched heat-producing characteristics on charging equipment Position, due to receiving coil be directed to certain heat feature position be it is fixed, so as to be based on the position, determination connect The position of take-up circle.

Wherein, the charging equipment that the fever cloud atlas in presupposed information is directed to determines that the to be charged of receiving coil sets with real-time It is standby to can be same charging equipment either same model charging equipment etc..

It will be illustrated so that charging equipment is mobile phone and combines Fig. 5 as an example below.

It is possible, firstly, to carry out the modeling of thermal imaging cloud atlas to 510 wireless charging state of mobile phone, mobile phone 510 is collected wireless The fever cloud atlas to charge under each charge efficiency and/or charging stage collects 510 heat-producing characteristics of mobile phone, such as maximum temperature point With the information such as heating region, and database is established, and be input in wireless charging pedestal 520.

Then, when mobile phone 510 is placed on wireless charging pedestal 520, under initial position, the receiving coil 511 of mobile phone 510 Transmitting coil 521 with pedestal 520 may be to be not aligned with, and such charge efficiency is relatively low, is kept for a period of time, makes to receive The fever of coil 511 and mobile phone 510 is kept after stablizing, and can be opened infrared thermal sensor and be detected, and the hair of mobile phone 510 is obtained Hot cloud figure, the heat-producing characteristics in database compare, and obtain position of the heat-producing characteristics point on 520 coordinate of pedestal, because Relative to heat-producing characteristics point position be for the receiving coil 511 on mobile phone 510 it is fixed, in this case can pass through heat-producing characteristics Point calculates the position of the receiving coil central point 512 of mobile phone 510, if establishing rectangular coordinate system in the wireless charging pedestal 520, The coordinate that can determine the 510 receiving coil central point 512 of mobile phone is (x1, y1).

The center of the transmitting coil 522 of wireless charging pedestal 520 is likely located at the wireless charging pedestal 520 at this time Another point, for example, the coordinate at the transmitting coil center 522 is (x0, y0), then the drive part driving in the wireless charging device The transmitting coil 521, the transmitting coil center 522 move to (x1, y1) from (x0, y0), enable center 522 and the hand of transmitting coil 510 receiving coil central point 512 of machine is overlapped, so that the transmission of electromagnetic signals at this location of transmitting coil 521, for mobile phone 510 Charging.

In one implementation, wireless charging device can also include pressure sensitive part, for wireless charging Denso The part for the carrying charging equipment set carries out pressure sensitive, and incudes result to processor output pressure；Then processor can be with According to pressure sensitive as a result, determining the region where charging equipment, and according to the region where charging equipment, determines and receive The target position of coil.

Wherein, which can be pressure sensor, which can incude for resistive pressure Screen, specific structure can be to apply in film and the adjacent one side of glass as shown in fig. 6, be the structure that film adds glass There is ITO (nano indium tin metal oxide) coating, ITO has good electric conductivity and the transparency.When there is object to be placed on above When, the ITO of the film lower layer on the contact surface can touch the ITO of glass superstrate (for example, as shown in Figure 7), via inductor Corresponding electric signal is spread out of, is sent to processor by conversion circuit, coordinate value is converted by operation, to obtain pressure sensitive Region.

It should be understood that Fig. 6 and induction screen shown in Fig. 7 are schematically to scheme, in addition to film layer, glassy layer and ITO, the induction screen There can also be other parts.

Optionally, processor according to the region where charging equipment, can determine possible at least the one of receiving coil A position；By transmitting coil be adjusted to respectively at least one position alignment, according to position each at least one position The charge efficiency of charging equipment determines the position of receiving coil.Wherein it is possible to by charge efficiency highest at least one position Position be determined as the position of receiving coil.Wherein, the calculation formula of charge efficiency are as follows: η=Pout/Pin, Pout are to be charged The power of equipment, Pin are the power of transmitting coil output.

Specifically, when charging equipment is placed on wireless charging device, pressure sensitive part can be along any direction Pressure change is scanned, such as sets X-axis for the direction, scanning result is exported to processor, processor extracts pressure change The X-coordinate of change, then pressure change, such as the direction vertical with X-direction are scanned in pressure sensitive part again in another direction, It can be set to Y-axis, then scanning result exported to processor, processor extracts the Y coordinate of pressure change, and then synthesizes one A pressure change plane, so as to determine the placement region of charging equipment, Ke Yiding according to the corresponding position of pressure change The coordinate of the central point of adopted charging equipment be (Xt, Yt), may further position receiver coil position.

Since resistor pressure induction screen can not distinguish the direction of charging equipment, it is possible to look for position using exclusive method Set because receiving coil be for charging equipment it is fixed, take the mobile phone as an example, on the receiving coil position on mobile phone Left and right be it is symmetrical, it is only on the upper side or on the lower side, that is to say, that receiving coil should be with respect to the coordinate of wireless charging device (Xt+L, Yt) either (Xt-L, Yt), L value are value of the receiving coil relative to mobile phone central point on mobile phone, respectively comparison meter The center point coordinate of calculation receiving coil is moved to the wireless charging efficiency on the position (Xt+L, Yt) and position (Xt-L, Yt), fills Biggish electrical efficiency is exactly correct position.

Wherein, if the charge efficiency highest of the last one possible position of adjustment, it is determined that the last one position The as position of receiving coil, at this point, the alignment of receiving coil and transmitting coil is had been realized in, that is, no longer needing to adjustment hair The position of ray circle.

The position mode of the receiving coil of two kinds of determining charging equipments is had been introduced above, but the embodiment of the present application is simultaneously It is without being limited thereto.

After the position of receiving coil has been determined, processor can adjust emission lines based on the position of the receiving coil The position of circle.Wherein, the position for adjusting transmitting coil may be such that transmitting coil far from receiving coil (for example, uncommon in user Hope when carrying out trickle charge to the battery of charging equipment), can also be such that transmitting coil is close or alignment receiving coil (for example, When user wishes to carry out fast charge to the battery of charging equipment), specifically, wireless charging device shown in Fig. 3 can be used 300 or wireless charging device shown in Fig. 4 400 be adjusted with the position to transmitting coil.

For example, as shown in figure 8,612 coordinate of center of the receiving coil determined is (x1, y1), the center 622 of transmitting coil Coordinate (x0, y0), then adjustable transmitting coil 621, so that 622 coordinate of center of transmitting coil is moved to from (x0, y0) (x1, y1).

The position based on receiving coil is had been introduced above, to adjust the position of transmitting coil.The embodiment of the present application is also It can be in conjunction with the reception power or charge efficiency of charging equipment, to adjust position of the transmitting coil in wireless charging device.

Optionally, wireless charging device 200 as shown in Figure 2 can also have telecommunication circuit.Wireless charging device 200 can be with It is carried out wireless communication by telecommunication circuit and charging equipment, to obtain the current reception power of charging equipment.

Wherein, which can be charging equipment as shown in Figure 1, which can be set detection Circuit, for detecting the reception power of charging equipment.Detection circuit, can after getting the reception power of charging equipment The reception power to be sent to the telecommunication circuit of wireless charging device by telecommunication circuit, it can specifically be sent to wireless charging The telecommunication circuit of device 200.

Wireless charging device 200, can be directly according to the reception function after getting the reception power of charging equipment Rate adjusts the position of transmitting coil 220；Alternatively, can also be based on the transmitting function for receiving power and wireless charging device 200 Rate calculates charge efficiency value, is based on the charge efficiency value, adjusts the position of transmitting coil 220.

Specifically, processor is based on the current charge efficiency value, to position of the transmitting coil 220 in wireless charging device When being adjusted, adjustment, and/or the changing value in adjustment charge efficiency value can be stopped when being adjusted to specific charge efficiency value Stop adjustment when less than error.

Wherein, which can be maximum attainable charge efficiency value (that is, transmitting coil and reception Charge efficiency value when coil is overlapped) or the desired charge efficiency value of charging equipment.

The desired reception power of charging equipment can be sent to wireless charging device 200 by charging equipment.Assuming that Charging equipment is terminal, then user can pass through the desired reception power of UI Preferences at the terminal, and by the reception function Rate is sent to wireless charging device 200.

The desired reception power of charging equipment can be less than current reception power, for example, it is assumed that charging equipment is uncommon It hopes and trickle charge is carried out to battery, then processor can adjust the position of transmitting coil 220 with drive part 230, to reduce receiving coil Power.Alternatively, the desired reception power of charging equipment can be greater than current reception power, for example, it is assumed that be charged set Standby to wish to carry out fast charge to battery, then processor can control the position that drive part 230 adjusts transmitting coil 220, to reduce The power of receiving coil.

Optionally, in the embodiment of the present application, since the position of the receiving coil of charging equipment is for wireless charging Denso Be also possible to for setting it is unknown, then at this point it is possible to be come by attempting mobile transmitting coil 220 so that charging equipment connects It receives power or charge efficiency value meets predetermined condition.

Specifically, processor can according to during mobile transmitting coil 220, the reception power of charging equipment Variation or charge efficiency value, control drive part to adjust position of the transmitting coil 220 in wireless charging device.

In order to make it easy to understand, being illustrated so that expectation reaches maximum charge efficiency as an example below.

In one implementation, drive part drives first guide rail along second guide rail, transports according to first direction It is dynamic, if charge efficiency value increases, continue to drive first guide rail along second guide rail, according to first direction movement, directly Progressive value to the charge efficiency value is less than or equal to the first value, or, driving first guide rail if charge efficiency value reduces Along second guide rail, mobile according to the second direction in contrast to the first direction, charge efficiency value be will increase at this time, continue edge The second direction it is mobile, until the progressive value of the charge efficiency value is less than or equal to first value.

Optionally, which is the most small step when drive part drives first guide rail to move along second guide rail Into efficiency value.

Wherein, in the case where drive part 230 drives first guide rail to move along second guide rail, if the charging The progressive value of efficiency value is less than or equal to first value, and when the charge efficiency value is not up to maximum charge efficiency value, the driving Part 230 drives the transmitting coil to move along first guide rail, moves according to third direction.

It is illustrated below with reference to adjustment mechanism 300 shown in Fig. 3 and Fig. 8.As shown in Figure 8, it is assumed that wireless charging The position of the transmitting coil 621 of pedestal 620 as shown, the coordinate at its transmitting coil center 622 is (X0, Y0), mobile phone 610 Receiving coil 611 is as shown, on the coordinate (x1, y1) at its receiving coil center 612.Wherein, processor can preset maximum Efficiency value η max, the efficiency value can be the maximum efficiency value defined during the test.

When 610 initial placement of mobile phone is to wireless charging pedestal 620, mobile phone 610 or can wireless charging, only efficiency Relatively low, by the communication of mobile phone 610 and wireless charging pedestal 620, wireless charging pedestal 620 can know that mobile phone 610 receives The performance number arrived, then processor can calculate current wireless charging efficiency η 0, in η 0 < η max, illustrate charge efficiency ratio It is lower, need to adjust transmitting coil 621, otherwise without mobile transmitting coil 621；It is described below to need mobile transmitting coil When 621, the movement of transmitting coil 621 how is carried out, wherein transmitting coil 621 shown in fig. 8 corresponds to hair shown in Fig. 3 Ray circle 220.

First: third gear 333 being engaged with second gear 332, control stepper motor operates △ θ angle, the second traction Line 322 extends (or shortening) △ l length, and transmitting coil 220 circumferentially rotates, and the efficiency value η 1 under the position is calculated at this time, if η 1 > η 0 illustrates that 220 rotation direction of transmitting coil is correct, can continue to adjust along the circumferencial direction；If 1 < η of η 0, illustrates emission lines Circle rotation direction is on the contrary, need to adjust to opposite circular direction；Difference until being adjusted to η t and η t-1 is imitated less than minimum step Rate value, illustrates position suitable, no longer needs to adjust.

Then, third gear 333 is engaged with first gear 331, controls stepper motor angle of operation, the first draught line 312 extend (or shortening) △ l length, and transmitting coil moves on the first guide rail 311, calculate the efficiency value η under the position at this time 1, if 1 > η of η 0, illustrates that 220 direction of motion of transmitting coil is correct, can continue to adjust in the direction；If 1 < η of η 0, illustrates emission lines 220 direction of motion mistakes are enclosed, need to adjust round about；Difference until being adjusted to η t and η t-1 is less than minimum step efficiency Value, position has been in efficiency maximum position at this time, and coil has been aligned.

Being described above can first drive the first guide rail to move, if not up to charge efficiency value does not meet desired value, Continue that transmitting coil is driven to move along the first guide rail, but the embodiment of the present application is not limited to this, and can also first drive transmitting coil It is moved along the first guide rail, if not up to charge efficiency value does not meet desired value, then the first guide rail is driven to move.

Specifically, drive part drives the transmitting coil along first guide rail, moves according to third direction, if charging Efficiency value increases, and continues to drive the transmitting coil along first guide rail, according to third direction movement, until the charge efficiency The progressive value of value is less than or equal to second value, or, driving the transmitting coil first to lead along this if charge efficiency value reduces Rail, it is mobile according to the fourth direction in contrast to the third direction, until the progressive value of the charge efficiency value be less than or equal to this Two-value.

Optionally, which is the most small step when drive part drives the transmitting coil to move along first guide rail Into efficiency value.

Optionally, the drive part drive the transmitting coil along first guide rail in the case where, if the charge efficiency The progressive value of value is less than or equal to the second value, and when the charge efficiency value is not up to maximum charge efficiency value, drive this first Guide rail is moved along second guide rail according to first direction.

Therefore, in the embodiment of the present application, by the moving process of transmitting coil, comparing the change of charge efficiency value Change, so as to realize the alignment of transmitting coil and receiving coil.

The various pieces of wireless charging device are described above, it should be appreciated that the embodiment of the present application is not limited to This.

For example, wireless charging device 200 in the embodiment of the present application in addition to include the first guide rail 210, transmitting coil 220, It can also include voltage conversion circuit, for receiving input voltage, and to input except driving 230, processor and telecommunication circuit Voltage is converted, and the output voltage and output electric current of voltage conversion circuit are obtained；The wireless charging device 200 can also wrap Include: charging interface is connected for providing equipment with power supply；Wherein, the received input voltage of voltage conversion circuit provides for power supply The voltage that equipment is provided by charging interface.

Optionally, charging interface is general-purpose serial bus USB interface or lightning interface.

Optionally, it is constant dc, Rectified alternating current or alternating current that power supply, which provides the output electric current of equipment,.

Optionally, it is adapter, mobile power source or computer that power supply, which provides equipment,.

It should be understood that the wireless charging device 200 of the embodiment of the present application can not also have charging interface, but there is power supply Circuit is provided, for receiving externally input alternating current, is electrically generated according to externally input exchange and is output to voltage conversion circuit Output voltage and output electric current.The alternating current is the alternating current of 220V at this time.

It should be understood that the terms "and/or", only a kind of incidence relation for describing affiliated partner, expression can deposit In three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B. In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".

The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain Lid is within the scope of protection of this application.Therefore, the protection scope of the application should be based on the protection scope of the described claims.

Claims (24)

1. a kind of wireless charging device characterized by comprising the first guide rail, drive part and transmitting coil,

The drive part is used for: driving the first guide rail movement, and the driving transmitting coil is along first guide rail Movement；

The transmitting coil is used for: transmission of electromagnetic signals, to carry out wireless charging to the charging equipment for being provided with receiving coil.

2. wireless charging device according to claim 1, which is characterized in that the drive part includes the first draught line, First draught line is for pulling the transmitting coil to move along first guide rail.

3. wireless charging device according to claim 2, which is characterized in that the drive part further include the first spring with And first motor；

In first guide rail, one end of first draught line is connect with one end of first spring, and described first leads The other end of lead passes through one end of first guide rail, and connect with the first motor, the other end of first spring It is fixed with the other end of first guide rail；

The transmitting coil is connect by first connecting portion with first draught line or first spring.

4. wireless charging device according to claim 3, which is characterized in that the wireless charging device further includes second leading Rail, second guide rail are fixedly installed in the wireless charging device,

The drive part is also used to:

First guide rail is driven to move along second guide rail.

5. wireless charging device according to claim 4, which is characterized in that the drive part further includes the second traction Line, second draught line is for pulling first guide rail to move along second guide rail.

6. wireless charging device according to claim 5, which is characterized in that the drive part further include second spring with And second motor,

In second guide rail, one end of second draught line is connect with one end of the second spring, and described second leads The other end of lead passes through one end of second guide rail, and connect with second motor, the other end of the second spring It is fixed with the other end of second guide rail；

First guide rail is connect by second connecting portion with second draught line or the second spring.

7. wireless charging device according to claim 6, which is characterized in that the first motor is with second motor Same motor, the same motor include switching part, and the switching part is used for:

Switch between first draught line and driving second draught line driving.

8. wireless charging device according to claim 7, which is characterized in that the switching part includes first gear, second Gear and third gear, the other end of first draught line connect first gear, the other end connection of second draught line Second gear, is provided with third gear in the same motor, the third gear can respectively with the first gear and described Second gear engaged transmission.

9. wireless charging device according to claim 6, which is characterized in that the first connecting portion is arranged described first The junction of draught line and first spring；And/or

The junction of second draught line and the second spring is arranged in the second connecting portion.

10. wireless charging device according to claim 9, which is characterized in that first connecting portion setting is described the The other end of one guide rail.

11. wireless charging device according to claim 6, which is characterized in that the first connecting portion is can be along described The mobile sliding block of first guide rail；The second connecting portion is the sliding block that can be moved along second guide rail.

12. wireless charging device according to claim 5, which is characterized in that first guide rail be arc-shaped rail or Circular guideway, second guide rail are linear guide.

13. wireless charging device according to claim 12, which is characterized in that second guide rail is pierced by described second The center point of the circle where first guide rail is arranged in one end of draught line.

14. wireless charging device according to claim 4, which is characterized in that first guide rail and second guide rail For linear guide.

15. wireless charging device according to claim 14, which is characterized in that first guide rail and second guide rail It is mutually perpendicular to.

16. the wireless charging device according to any one of claim 4 to 15, which is characterized in that the drive part tool Body is used for:

According to the variation or charge efficiency value of the reception power of the charging equipment described during the movement transmitting coil Variation, adjust position of the transmitting coil in the wireless charging device.

17. wireless charging device according to claim 16, which is characterized in that the wireless charging device further include:

Communications portion is connect with obtaining the receiving coil of the charging equipment for communicating with the charging equipment Receive power.

18. wireless charging device according to claim 16, which is characterized in that the drive part is specifically used for:

It drives first guide rail along second guide rail, is moved according to first direction,

If charge efficiency value increases, continue to drive first guide rail along second guide rail, according to the first direction It is mobile, until the progressive value of the charge efficiency value is less than or equal to the first value, or,

If charge efficiency value reduces, drive first guide rail along second guide rail, according in contrast to the first party To second direction it is mobile, until the progressive value of the charge efficiency value is less than or equal to first value.

19. wireless charging device according to claim 18, which is characterized in that first value is drive part drive Move minimum step efficiency value when first guide rail is moved along second guide rail.

20. wireless charging device according to claim 18, which is characterized in that the drive part is specifically used for:

It drives the transmitting coil along first guide rail, is moved according to third direction,

If charge efficiency value increases, continue to drive the transmitting coil along first guide rail, according to the third direction It is mobile, until the progressive value of the charge efficiency value is less than or equal to second value, or,

If charge efficiency value reduces, drive the transmitting coil along first guide rail, according in contrast to the third party To fourth direction it is mobile, until the progressive value of the charge efficiency value is less than or equal to the second value.

21. wireless charging device according to claim 20, which is characterized in that the second value is drive part drive Move the minimum step efficiency value when transmitting coil is moved along first guide rail.

22. wireless charging device according to claim 20, which is characterized in that the drive part drives the emission lines Circle is moved along first guide rail according to third direction, comprising:

In the case that the drive part drives first guide rail to move along second guide rail, if the charge efficiency The progressive value of value is less than or equal to first value, and when the charge efficiency value is not up to maximum charge efficiency value, the drive Dynamic part drives the transmitting coil to move along first guide rail, moves according to third direction.

23. wireless charging device according to claim 20, which is characterized in that the drive part driving described first is led Rail is moved along second guide rail according to first direction, comprising:

In the case that the drive part driving transmitting coil is along first guide rail, if the charge efficiency value Progressive value is less than or equal to the second value, and when the charge efficiency value is not up to maximum charge efficiency value, drives described the One guide rail is moved along second guide rail according to first direction.

24. a kind of wireless charging system, which is characterized in that including according to claim 1 to wireless charging described in any one of 23 Electric installation, and the charging equipment to charge including the use of the wireless charging device.