CN103401320A - Coil mobile wireless charging device - Google Patents
Coil mobile wireless charging device Download PDFInfo
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- CN103401320A CN103401320A CN2013103171093A CN201310317109A CN103401320A CN 103401320 A CN103401320 A CN 103401320A CN 2013103171093 A CN2013103171093 A CN 2013103171093A CN 201310317109 A CN201310317109 A CN 201310317109A CN 103401320 A CN103401320 A CN 103401320A
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Abstract
The invention discloses a coil mobile wireless charging device with a simple structure and stable mobility and operation of a charging coil. The wireless charging device comprises a casing, wherein the casing is provided with a charging surface for bearing equipment to be charged. The wireless charging device also comprises a charging coil, a circuit board and a coil driving device which are arranged inside the casing; the charging coil can be electromagnetically coupled with an induction coil in the equipment to be charged; the circuit board is provided with a position detection unit for detecting the position of the induction coil and a control unit for controlling the moving track of the charging coil; the coil driving device comprises a first displacement mechanism and a second displacement mechanism; the charging coil is arranged on the second displacement mechanism; during use, the first displacement mechanism and the second displacement mechanism are used for accurately positioning the charging coil below the induction coil; when the displacement mechanism and the second displacement mechanism simultaneously act, no interference generates, so that the stability of coil mobility of the charging coil can be ensured and the phenomenon that the coil is blocked is avoided.
Description
Technical field
The present invention relates to a kind of wireless charging device that utilizes electromagnetic induction principle, the charge coil that particularly relates to a kind of inside can be according to the position of charging equipment inner inductive coil and self adaptation moves the charging device of coupling charging.
Background technology
the mobile devices such as present most of smart mobile phone are all to adopt the mode of wired charging to realize charging, the mode that namely adopts plain conductor directly to contact is carried out the internal battery charging to mobile device, and by the wireless charging technology that the consumer accepted, compared wired charging gradually, but its advantage is mainly reflected in convenience and versatility, it is mainly to adopt electromagnetic induction principle to come to charging of mobile devices, in general be in wireless charging device, to be provided with the charge coil that is connected in external ac power source, by with mobile device in the induction coil magnetic coupling carry out delivery of electrical energy, thereby realize charging to internal battery.Above-mentioned charge coil can be to be fixedly installed on wireless charging device inside, can be also to be arranged to movably mode; The movable charging coil is compared the mode that is fixedly installed, and can move to the position coupling charging corresponding with induction coil, guarantees its charge efficiency (can affect charge efficiency if the position of charge coil and induction coil exists to depart from).wireless charging device for the mobile charging coil in currently available technology has proposed kinds of schemes, for example application number is that 201110416795.0 Chinese patent application has been put down in writing a kind of magnetic inductive coil moving non-contact charger, it comprises the X-axis guide rod that intersects and arrange, Y-axis guide rod and driving X-axis are used slide block at the first driving mechanism mobile on the X-axis guide rod and drive the second driving mechanism that Y-axis uses slide block to move on the Y-axis guide rods, X-axis is set together with slide block is relatively-stationary with slide block and Y-axis, and the two must move simultaneously, charge coil just be arranged on X-axis with slide block or Y-axis with on slide block.But the Drive Structure of this charge coil is complicated structure not only, and the mobile operation of charge coil is stable not, particularly when the first driving mechanism and the second driving mechanism move simultaneously, X-axis is interfered with mobile can the existence of slide block with slide block and Y-axis, the phenomenon that may cause charge coil to be stuck, cause the wireless charging device disabler.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, provides a kind of simple in structure, charge coil to move stable coil mobile wireless charging device.
Technical scheme of the present invention is: the coil mobile wireless charging device that the present invention relates to is to charge for the charging equipment to having induction coil, and it includes housing, and this housing has the charging face of the described charging equipment of a carrying; And also comprise and be arranged at enclosure interior: charge coil, can with described induction coil electromagnetic coupled; Wiring board, have for detection of the position detection unit of described induction coil position and be used to the control unit of the motion track of controlling described charge coil; Coil-driving apparatus of electronic, comprise the first displacement mechanism and second moving mechanism, described charge coil is arranged on the second moving mechanism, this first displacement mechanism has an adjutage, described second moving mechanism is arranged on this adjutage and can moves along adjutage, and the moving direction of the first displacement mechanism and second moving mechanism is angled.Because above-mentioned second moving mechanism integral body is to using adjutage to move as guide rail, therefore the motion of the first displacement mechanism and second moving mechanism is relatively independent, even can not produce interference when the two moves simultaneously yet, guaranteed the steady movement of charge coil, the phenomenon that not there will be coil to block.
In theory, the moving direction of described the first displacement mechanism and second moving mechanism is angled, only whether in same direction or parallel direction, get final product, but preferably the moving direction of the first displacement mechanism and second moving mechanism generally can be vertical angle, namely may be defined as directions X and Y-direction, convenient like this control unit is controlled the shift motion of the first displacement mechanism and second moving mechanism.
Specifically, described second moving mechanism comprises the second slide block and is arranged on the second motor on this second slide block, on described adjutage, be provided with tooth bar, the output of described the second motor is connected with the driven wheel that is meshed with this tooth bar, the second slide block together with the second motor take adjutage as rail moving.
Specifically, described the first displacement mechanism comprises the first slide block, and described adjutage is connected on this first slide block, in described housing, is provided be used to driving the first motor of the first slide block, and in housing, also is provided with the guide rail of guiding the first slide block movement.
Further, the type of drive of described the first displacement mechanism can be to be provided with the driving tooth bar on described the first slide block, and described the first motor moves along guide rail by this driving rack drives first slide block.
The type of drive of described the first displacement mechanism can also be to be provided with female thread structure at described the first slide block, and the output of described the first motor is connected with and drives the screw rod that this first slide block moves, and the mode that coordinates by bolt and nut drives the first slide block.
Further, in described housing, also be provided with a boss, the end of described adjutage is held on this boss and can slides along described boss, and the first slide block of this boss and opposite side keeps sustained height, adjutage is the level of state, can guarantees that charge coil moves stably.
Another outstanding feature of the present invention is that described coil mobile wireless charging device also can comprise for showing the light-emitting device of charging equipment induction coil position, move along with the difference of charging equipment placement location this position, can improve like this user's experience sense.
As one of them concrete scheme, described light-emitting device can be to comprise the first light emitting source and second light emitting source that can produce respectively light beam, utilizes the intersection point of these two light emitting source light beams to show the position of described induction coil.
Be further used as the concrete enforcement of such scheme, the drive unit that also comprises the first light emitting source and the second light emitting source, the driving that is similar to charge coil is the same, position detection unit on wiring board detects the position of determining induction coil, and drive the first light emitting source and the corresponding position of the second light emitting source arrival by control unit, form the effect that shows the induction coil position.Advanced simplified design, in described housing, be provided with and drive the 3rd motor that secondary light source moves, and described the first light emitting source directly has been arranged on described the first displacement mechanism.
the invention has the beneficial effects as follows: due to the coil-driving apparatus of electronic in the present invention comprise can separate movement the first displacement mechanism and second moving mechanism, described charge coil is arranged on the second moving mechanism, this first displacement mechanism has an adjutage, described second moving mechanism is arranged on this adjutage and can moves along adjutage, and the moving direction of the first displacement mechanism and second moving mechanism is angled, no matter the two is to move simultaneously or successively move and can not produce interference, can guarantee the stability that charge coil moves, not there will be stuck phenomenon, therefore not only internal structure is simple for the product that should invent, and failure rate is low, cycle in useful life is long.In the present invention, also can comprise for showing the light-emitting device of charging equipment induction coil position, move along with the difference of charging equipment placement location this position, the design that has so luminous Indication Characteristics, the reference of a mobile location information not only can be provided for the movement of subsequent charge coil after charging equipment is placed on charging face, can also improves user's experience sense.
The accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION figure of the embodiment of the present invention one;
Fig. 2 is the structural representation in the embodiment of the present invention one coil drive unit front;
Fig. 3 is the structural representation at the embodiment of the present invention one coil drive unit back side;
Fig. 4 is the structural representation of the embodiment of the present invention two with light-emitting device;
Fig. 5 is the schematic diagram that in the embodiment of the present invention two, light-emitting device shows the induction coil position.
Embodiment
The coil mobile wireless charging device that the present invention relates to is mainly used in the mobile devices such as smart mobile phone, portable type electronic product, digital camera are charged, below just with specific embodiment, structure of the present invention and operation principle are further elaborated:
Embodiment mono-:
As shown in Figure 1, the coil mobile wireless charging device that the present invention relates to includes housing, housing is comprised of upper shell 1 and lower house 2, this housing has the charging face 101 of a carrying charging equipment (not shown), and in charging equipment, operated by rotary motion has the induction coil of received energy and the internal battery of storage power; Charging face 101 can be the subregion of upper surface or the upper surface of upper shell 1, and charging equipment can be placed at random the optional position of charging face 101 and realize charging, in lower house 2 inside, is provided with charge coil 6, wiring board 3 and coil-driving apparatus of electronic.Charge coil 6 can move in any range of charging face 101; When charging equipment having been detected, it can move to induction coil below and with described induction coil electromagnetic coupled, between this charge coil 6 and induction coil, remain a less distance, can guarantee higher charge efficiency like this; Wiring board 3 has for detection of the position detection unit of described induction coil position and be used to the control unit of the motion track of controlling described charge coil, and this wiring board 3 is close to the lower surface setting of upper shell 1; Wherein position detection unit be include that a plurality of matrixes arrange can with charging equipment in the magnetic test coil of induction coil generation electromagnetic induction, its concrete structure and circuit can be with reference to the detailed introductions in the QI standard of wireless charging alliance (Wireless Power Consortium), and therefore not to repeat here.Coil-driving apparatus of electronic comprises the first displacement mechanism 4 and second moving mechanism 5, described charge coil 6 is arranged on second moving mechanism 5, this first displacement mechanism 4 has an adjutage 402, described second moving mechanism 5 is arranged on this adjutage 402 and can moves along adjutage 402, and the moving direction of the first displacement mechanism 4 and second moving mechanism 5 is angled.On theory, the first displacement mechanism 4 and second moving mechanism 5, so long as not along same direction or similar parallel direction, moving and get final product, so just can be realized charge coil 6 is moved to the optional position in charging face 101 scopes; For example adjutage 402 is 60 degree angles with the edge of housing, and the first displacement mechanism 4 to be directions along the shell rim almost parallel move, the moving direction of such the first displacement mechanism 4 and second moving mechanism 5 forms 60 degree angles.But preferably, the moving direction of the first displacement mechanism 4 and second moving mechanism 5 is vertical angle, namely may be defined as directions X and Y-direction (as shown in Figure 2), the shift motion of like this can convenient control unit controlling the first displacement mechanism 4 and second moving mechanism 5, all set forth in the mode that is vertical angle as example in following embodiment and other embodiment.Groundwork principle of the present invention is: when the charging equipment with induction coil is positioned on charging face 101, inner position detection unit detects the position of induction coil automatically, then positional information is fed back to control unit, control unit is controlled the first above-mentioned displacement mechanism 4 and 5 actions of second moving mechanism, by charge coil 6 move to induction coil under, realize charging equipment coupling charging.Because above-mentioned second moving mechanism 5 is to be arranged on the whole on adjutage 402, and using adjutage 402 and move as guide rail, therefore the motion of the first displacement mechanism 4 and second moving mechanism 5 is relatively independent, even can not produce interference when the two moves simultaneously yet, can guarantee the stability that charge coil 6 moves, the phenomenon that not there will be coil to block.The concrete type of drive of the first displacement mechanism 4 and second moving mechanism 5 can have kinds of schemes, below just selects following mode this to be done to detailed description.
as Fig. 2, shown in Figure 3, described second moving mechanism 5 comprises the second slide block 501 and is arranged on the second motor 502 on this second slide block 501, on described adjutage 402, be provided with tooth bar 404, the output of described the second motor 502 is connected with the driven wheel 504 that is meshed with this tooth bar 404, charge coil 6 is arranged on the upper surface of the second slide block 501, and move along with the movement of the second slide block 501, because the position of the second slide block 501 has certain height, the lower surface that makes charge coil 6 can press close to as far as possible wiring board 3 moves, can dwindle the vertical range between charge coil 6 and induction coil like this, improve charge efficiency, preferably, the second motor 502 is arranged on the bottom at the second slide block 501, and corresponding tooth bar 404 is arranged at the lower surface of adjutage 402, the second slide block 501 utilizes edge clipping 503 to constrain on adjutage 402, the second motor 502 is accompanied by the second slide block 501 and moves on adjutage 402, and so setting can reduce the thickness between upper shell 1 and lower house 2.the first displacement mechanism 4 comprises the first slide block 401, described adjutage 402 is connected on this first slide block 401, and the opposite side of the first slide block 401 is provided with driving tooth bar 403, in described housing, be provided with the first motor 9 of guide rail 7 and driving the first slide block 401, the output of the first motor 9 is connected with worm screw 10, in housing, also be provided with a worm gear 12 and pinion 11, worm gear 12 and pinion 11 coaxially are fixedly installed, worm gear 12 is meshed with worm screw 10, pinion 11 and driving tooth bar 403 are meshed, the first motor 9 is by worm screw 10, worm gear 12 and pinion 11 drive the first slide block 401 and slide along guide rail 7.The end of described adjutage 402 is held on a boss 8 and can slides along this boss 8, and the first slide block 401 of this boss 8 and opposite side keeps sustained heights, can guarantee that the lower surface that charge coil 6 touch wiring board 3 moves stably; Be understandable that, the design of this boss 8 is not sole mode, for example at the terminal position of adjutage 402, can be arranged to the track structure of similar guide rail 7 yet, and the end of described adjutage 402 is followed the first slide block 401 and moved along this track structure.It should be noted that, the first displacement mechanism 4 also can adopt other Drive Structure, for example as shown in Figure 4, described the first slide block 401 is provided with female thread structure, the output of described the first motor 9 is connected with and drives the screw rod 19 that this first slide block 401 moves, and the mode that coordinates by bolt and nut drives the first slide block 401 and moves along guide rail 7.
Embodiment bis-:
The difference of the present embodiment and embodiment mono-is also to comprise that this display position moves along with the difference of charging equipment placement location for showing the light-emitting device of charging equipment induction coil position; After charging equipment is placed on charging face 101, control unit is controlled driving mechanism and is moved light-emitting device, above-mentioned display position is moved to induction coil, thisly utilize the design of luminescence display position effect not only can provide for the movement of subsequent charge coil 6 reference of a mobile location information, can also improve user's experience sense.specific design can be referring to Fig. 4 and Fig. 5, charging equipment 14 is placed on charging face 101, the inside of charging equipment 14 is provided with induction coil 16, the electric energy that induction coil 16 produces is for charging to internal battery, described light-emitting device comprises the first light emitting source 20A and the second light emitting source 20B, described the first light emitting source 20A is positioned on the first slide block 401 of described the first displacement mechanism 4, and the first slide block 401 moves along screw rod 19, and the first motor 9 is for drive screw 19, in enclosure interior, be provided with and drive the 3rd motor 21 that secondary light source 20B moves in addition, the output of the 3rd motor 21 is connected with screw rod 13, the base of secondary light source 20B is arranged on screw rod 13 in the mode of threaded engagement, secondary light source 20B can move along screw rod 13 under the actuating force of the 3rd motor 21, the first light emitting source 20A and the second light emitting source 20B can specifically adopt the low power laser generator in actual production, the first light emitting source 20A produces light beam 17, the second light emitting source 20B produces light beam 18, the intersection point 15 of these two light beams 17 and light beam 18 roughly is positioned at the middle position of induction coil 16, namely by intersection point 15, show the position of induction coil 16, the light beam that this utilization intersects comes the design of display position to compare the design of similar point-source of light, its advantage is, even the intersection location of light beam 17 and light beam 18 moves to the below of induction coil 16 while by charging equipment 14, being sheltered from, also can roughly judge by the position of two light beams the position of induction coil 16.After charging equipment 14 is placed on charging face 101, position detection unit detects the position of induction coil 16, then positional information is fed back in control unit, control unit drives the first light emitting source 20A by said mechanism and the second light emitting source 20B moves, its intersection point 15 is moved to the bottom of induction coil 16, then with this positional information as a reference, control unit control coil drive unit by charge coil 6 move to induction coil 16 under, realize the coupling charging.The wiring board 3 that wherein is positioned at light beam 17 and light beam 18 tops can adopt transparent or semitransparent material to make, and the user can observe from charging face 101 tops the mobile display effect of light beam 17 and light beam 18 like this, strengthens user's experience sense.
Claims (10)
1. a coil mobile wireless charging device, charge for the charging equipment to having induction coil, it is characterized in that comprising: housing, this housing have the charging face of the described charging equipment of a carrying; And be arranged at enclosure interior:
Charge coil, can with described induction coil electromagnetic coupled;
Wiring board, have for detection of the position detection unit of described induction coil position and be used to the control unit of the motion track of controlling described charge coil;
Coil-driving apparatus of electronic, comprise the first displacement mechanism and second moving mechanism, described charge coil is arranged on the second moving mechanism, this first displacement mechanism has an adjutage, described second moving mechanism is arranged on this adjutage and can moves along adjutage, and the moving direction of the first displacement mechanism and second moving mechanism is angled.
2. coil mobile wireless charging device according to claim 1, it is characterized in that: the moving direction of described the first displacement mechanism and second moving mechanism is vertical angle.
3. coil mobile wireless charging device according to claim 1, it is characterized in that: described second moving mechanism comprises the second slide block and is arranged on the second motor on this second slide block, on described adjutage, be provided with tooth bar, the output of described the second motor is connected with the driven wheel that is meshed with this tooth bar.
4. coil mobile wireless charging device according to claim 1, it is characterized in that: described the first displacement mechanism comprises the first slide block, described adjutage is connected on this first slide block, and in described housing, is provided be used to driving the first motor of the first slide block.
5. coil mobile wireless charging device according to claim 4, it is characterized in that: described the first slide block is provided with the driving tooth bar, and described the first motor moves along guide rail by this driving rack drives first slide block.
6. coil mobile wireless charging device according to claim 4, it is characterized in that: described the first slide block is provided with female thread structure, and the output of described the first motor is connected with and drives the screw rod that this first slide block moves.
7. according to claim 5 or 6 described coil mobile wireless charging devices is characterized in that: in described housing, also be provided with a boss, the end of described adjutage is held on this boss and can slides along described boss.
According to claim 1 to 6 any one described coil mobile wireless charging device, it is characterized in that: described coil mobile wireless charging device also comprises that move along with the difference of charging equipment placement location this position for showing the light-emitting device of charging equipment induction coil position.
9. coil mobile wireless charging device according to claim 8, it is characterized in that: described light-emitting device comprises the first light emitting source and second light emitting source that can produce respectively light beam, utilizes the intersection point of the light beam that these two light emitting sources produce to show the position of described induction coil.
10. coil mobile wireless charging device according to claim 9 is characterized in that: in described housing, be provided with and drive the 3rd motor that secondary light source moves, described the first light emitting source is positioned on described the first displacement mechanism.
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| CN2013103171093A CN103401320A (en) | 2013-07-26 | 2013-07-26 | Coil mobile wireless charging device |
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| CN2013103171093A CN103401320A (en) | 2013-07-26 | 2013-07-26 | Coil mobile wireless charging device |
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| CN103618350A (en) * | 2013-11-26 | 2014-03-05 | 深圳市合元科技有限公司 | Wireless charging device capable of allowing multiple devices to be charged to be charged simultaneously |
| CN104467131A (en) * | 2014-12-10 | 2015-03-25 | 上海斐讯数据通信技术有限公司 | Automatic wireless charging system based on WiFi positioning and method thereof |
| CN104917265A (en) * | 2015-07-01 | 2015-09-16 | 斧子科技（深圳）有限公司 | Wireless charging device and wireless charging system |
| CN105207280A (en) * | 2014-06-20 | 2015-12-30 | 展讯通信（上海）有限公司 | Charging position calibration method, charging position calibration device, wireless charging equipment and mobile terminal |
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Application publication date: 20131120 |