CN114256994A - Wireless charging device - Google Patents

Wireless charging device Download PDF

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Publication number
CN114256994A
CN114256994A CN202111599737.6A CN202111599737A CN114256994A CN 114256994 A CN114256994 A CN 114256994A CN 202111599737 A CN202111599737 A CN 202111599737A CN 114256994 A CN114256994 A CN 114256994A
Authority
CN
China
Prior art keywords
rail
antenna
bracket
wireless charging
slide rail
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111599737.6A
Other languages
Chinese (zh)
Inventor
张巧逢
谢承翰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivo Mobile Communication Co Ltd
Original Assignee
Vivo Mobile Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Priority to CN202111599737.6A priority Critical patent/CN114256994A/en
Publication of CN114256994A publication Critical patent/CN114256994A/en
Priority to PCT/CN2022/140657 priority patent/WO2023116757A1/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/20Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/40Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • H02J50/402Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0044Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The application discloses wireless charging device belongs to electronic product technical field. The wireless charging device includes: a base; a rail bracket fixed on the base; the sliding rail is movably connected with the rail bracket; n antennas movably connected with the slide rail, wherein N is an integer greater than 1; wherein the sled reciprocates relative to the rail mount between a first state and a second state; the antenna reciprocates on the slide rail to adjust the transmitting position and the transmitting direction of the antenna.

Description

Wireless charging device
Technical Field
The application belongs to the technical field of electronic products, and particularly relates to a wireless charging device.
Background
Along with the cell-phone and other intelligent Mobile terminal that support wireless charging technology, like the increase of intelligent wrist-watch, intelligent earphone, smart glasses etc. the scene that the user need charge for many intelligent Mobile terminals simultaneously also more frequently, and the wireless charging device of one-to-one this moment has natural defect: firstly, a plurality of wireless charging pedestals need to be equipped, but the wireless charging pedestals are large in size, and the problems that the number is too large and the storage and the carrying are inconvenient exist; secondly, only can charge for a plurality of equipment one by one in series, there is the long time spent of charging, and the charging efficiency is low problem.
Disclosure of Invention
The embodiment of the application aims to provide a wireless charging device, which can solve the problem that in the prior art, when a plurality of devices have charging requirements, the charging efficiency is low.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides a wireless charging apparatus, including:
a base; a rail bracket fixed on the base; the sliding rail is movably connected with the rail bracket; n antennas movably connected with the slide rail, wherein N is an integer greater than 1;
wherein the sled reciprocates relative to the rail mount between a first state and a second state; the antenna reciprocates on the slide rail to adjust the transmitting position and the transmitting direction of the antenna.
In an embodiment of the present application, a wireless charging device includes: a base; a rail bracket fixed on the base; the sliding rail is movably connected with the rail bracket; n antennas movably connected with the slide rail, wherein N is an integer greater than 1; through the slide rail for track support reciprocating motion between first state and second state to and antenna reciprocating motion on the slide rail, adjust thereby the transmitting position and the transmitting direction of antenna optimize transmitting antenna and wait the energy transmission efficiency of battery charging outfit receiving antenna, for each wait that the battery charging outfit selection pairs the transmitting antenna that is successful and efficient the most, realize when guaranteeing the efficiency of charging, charge for a plurality of battery charging outfits simultaneously through N antennas, when having solved when a plurality of equipment have the demand of charging, the problem that the charge that exists is consuming time long, the charging efficiency is low, and be convenient for accomodate and carry.
Drawings
Fig. 1 is a schematic structural diagram of a wireless charging device according to an embodiment of the invention;
fig. 2 is a second schematic structural diagram of a wireless charging device according to an embodiment of the invention;
fig. 3 is a third schematic structural diagram of a wireless charging device according to an embodiment of the invention;
FIG. 4 shows an exploded view of a track mount, slide, slider and antenna of an embodiment of the present invention;
FIG. 5 is a fourth schematic view of a wireless charging device according to an embodiment of the present invention;
FIG. 6 is a fifth schematic view of a wireless charging device according to an embodiment of the present invention;
FIG. 7 shows a schematic cross-sectional view of a slider according to an embodiment of the invention;
FIG. 8 shows an exploded view of a slider and antenna according to an embodiment of the present invention;
fig. 9 shows a sixth structural schematic diagram of a wireless charging device according to an embodiment of the invention;
fig. 10 is a seventh schematic view illustrating a wireless charging device according to an embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a slider and an antenna mount according to an embodiment of the invention;
FIG. 12 is a cross-sectional view of a slider and an antenna mount according to an embodiment of the invention;
fig. 13 is a schematic diagram of a wireless charging architecture according to an embodiment of the invention.
Fig. 14 is a schematic diagram of a wireless charging process according to an embodiment of the invention;
fig. 15 is a second schematic view of a wireless charging process according to an embodiment of the invention.
Description of reference numerals:
1-a base; 21-an object stage; 22-a rail bracket; 221-a first support arm; 222-a second support arm;
223-a first motor; 224-a connecting shaft; 225-a frame structure; 23-a slide rail; 231-a track groove; 24-a slide block; 241-a slider body; 242-a second motor; 243-friction wheel; 244-first coil; 245-a second coil; 246-motor gear; 247-intermediate gear; 248-friction wheel gear; 249-upper cover of slide block; 250-a gasket; 251-intermediate gear limit; 3-an antenna; 31-an antenna body; 32-rotating the bracket;
321-a first magnetic block; 322-a second magnetic block; 323-a first spring plate; 324-a first ball bearing; 325 second spring plate; 326-a second ball; 33-an antenna mount; 4-a shell; 5-the device to be charged.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The following describes the control method provided by the embodiments of the present application in detail through specific embodiments and application scenarios thereof with reference to the accompanying drawings.
Referring to fig. 1 to 12, an embodiment of the present invention provides a wireless charging device, including:
a base 1; a rail bracket 22 fixed on the base 1; a slide rail 23 movably connected with the rail bracket 22; the N antennas 3 are movably connected with the slide rail 23, and N is an integer larger than 1; wherein the slide rail 23 reciprocates relative to the rail bracket 22 between a first state and a second state; the antenna 3 reciprocates on the slide rail 23 to adjust the transmitting position and the transmitting direction of the antenna 3.
The types of the antennas are not limited, and as an optional implementation mode, the antennas may be all millimeter wave antennas, and millimeter waves emitted by the millimeter wave antennas have the characteristics of large bandwidth range, small propagation attenuation, small influence of natural light and a heat radiation source, and the like, and energy loss is relatively small in the transmission process. Therefore, the energy loss of the millimeter waves is small, and the charging efficiency of the equipment to be charged is further improved.
It should be noted that, taking a mobile phone as an example, under the influence of the antenna directivity, when the transmitting antenna and the receiving antenna are at different positions and angles, the energy transmission efficiency is different, when the two antennas are closer and the angle is better, the energy transmission efficiency is high, when the two antennas are farther or the angle is worse, the energy transmission efficiency is low, and even the situation that the two antennas cannot be normally matched occurs.
In this embodiment, the slide rail 23 reciprocates between the first state and the second state relative to the rail bracket 22, and the antenna 3 reciprocates on the slide rail, so as to adjust the transmitting position and the transmitting direction of the antenna 3, that is, adjust the transmitting angle of the antenna 3, and adjust the position relationship between the antenna 3 and the device to be charged 5, thereby optimizing the energy transmission efficiency between the transmitting antenna 3 and the receiving antenna of the device to be charged 5, so that the coupling degree between the transmitting antenna 3 and the receiving antenna is the highest, achieving the effect of improving the flexibility of placing the device to be charged 5, reducing energy loss, and improving the wireless charging efficiency. Therefore, the embodiment can solve the problems of long charging time and low charging efficiency when a plurality of devices have charging requirements, and is inconvenient to store and carry.
It should be noted that the reciprocating motion of the track 23 and the antenna 3 can be controlled based on user input, such as the user manually adjusting the position of the track 23 and the antenna 3; or may be automatically controlled based on the placement position of the device to be charged 5.
As an example, when charging a plurality of devices, the wireless charging apparatus determines, from N antennas, M target antennas that are successfully matched with the plurality of devices to be charged and have charging efficiency greater than a preset threshold by adjusting the positions of the antennas 3, where M is a positive integer less than or equal to N.
In one embodiment, the apparatus further comprises: a control unit and a position detection unit; the position detection unit is in communication connection with the control unit, and is used for acquiring position information of the device to be charged 5; the control unit is used for controlling the slide rail 23 to reciprocate between a first state and a second state relative to the rail bracket 22 and controlling the antenna 3 to reciprocate on the slide rail 23 according to the position information.
In this embodiment, the position information of the placement of the device to be charged 5 can be acquired by the position detection unit, so that the control unit automatically controls the slide rail 23 and the antenna 3 to move according to the position information to adjust the emission angle of the antenna 3 and adjust the position relationship between the antenna 3 and the device to be charged 5.
In an embodiment, the slide rail 23 has a ring structure, and the first state and the second state are two states of rotating 180 degrees relative to the rail bracket 22 around a radial rotation axis of the slide rail 23.
As shown in fig. 1 and 2, the slide rail 23 is rotatably connected to the rail bracket 22; the slide rail 23 rotates relative to the rail bracket 22, and the moving track of the slide rail 23 surrounds the object stage 21.
It is to be noted that the cyclic structure includes: circular rings, square rings, polygonal rings of regular or irregular side lengths, and the like.
As another example, the sliding rail 23 may also have at least two curved structures, such as a semicircular shape, a "U" shape, a "concave" shape, and the like.
In this embodiment, during the rotation of the slide rail 23, the slide rail 23 rotates 180 degrees relative to the rail bracket 22, so that the moving track of the slide rail 23 can surround the object stage 21. Thus, the antenna 3 slides on the slide rail 23, so that the emission of the antenna 3 has an omnidirectional emission angle surrounding the objective table 21, and since the adjustable emission angle of the antenna covers the objective table, the charging matching degree of the antenna and the device to be charged 5 is improved, and the antenna 3 is adjusted to an emission position with higher charging efficiency.
Specifically, as shown in fig. 1 and 2, the rail bracket 22 includes: a first support arm 221 and a second support arm 222; the first support arm 221 is rotatably connected with a first position of the slide rail 23, the second support arm 222 is rotatably connected with a second position of the slide rail 23 through a first motor 223, and the first motor 223 is electrically connected with the control unit; the first position and the second position are on the same radial axis of the annular structure; the device further comprises: the object stage 21 is fixedly connected with the first support arm 221 through a connecting shaft 224, and the first position of the slide rail 23 passes through the connecting shaft 224; when the slide rail 23 rotates relative to the rail bracket 22, the stage 21 is disposed in the ring structure.
The slide rail 23 may be two semicircular ring structures, or may also be at least one complete circular ring structure.
It should be noted that the ring-shaped guide rail 23 passes through the connecting shaft 224 of the first support arm 221 and the stage 21, and does not affect the rotation of the guide rail 23.
In this embodiment, the first motor 223 is connected to the slide rail 23 having the annular structure, and drives the slide rail 23 to rotate at least 180 degrees along the extension axis of the first motor 223, so as to cover the slide rail 23 as a complete spherical surface, the transmitting antenna 3 is installed on the slide rail 23, and the transmitting antenna 3 can move and hover along the slide rail 23, so that the moving range of the transmitting antenna 3 basically covers the whole spherical surface, and the flexibility of placing the device to be charged 5 can be improved.
In one embodiment, the slide rail 23 is slidably connected to the rail bracket 22; by the movement of the slide rail 23 relative to the rail bracket 22, the movement range of the slide rail 23 covers the stage 21.
In this embodiment, the sliding rail 23 may be a frame structure or a curved structure, such as an inverted "U" shape, where two bottom corners are slidably connected to the rail bracket 22; or may be comprised of a frame structure.
In one embodiment, the rail bracket 22 includes a rail structure, and the slide rail 23 is slidably connected to the rail bracket 22 through the rail structure; the first state and the second state are two states of the slide rail 23 being at the starting end and the ending end of the guide rail structure respectively; the sliding direction of the antenna 3 along the sliding rail 23 is perpendicular to the sliding direction of the sliding rail 23 along the guide rail structure.
In this embodiment, the moving direction of the slide rail 23 is mutually perpendicular to the moving direction of the slider 23 along the slide rail 23, and the two independent movements in the mutually perpendicular directions are superposed to be multi-position movement of the slider 23 on the corresponding plane, so that the multi-position movement of the transmitting antenna 3 connected with the slider 24 is realized, and the flexibility of placing the device to be charged 5 can be improved.
Specifically, in an embodiment, as shown in fig. 3 to 6, the wireless charging device further includes: an object stage 21; the rail bracket 22 includes: a plurality of frame structures 225, wherein the base 1 and the plurality of frame structures 225 enclose the object stage 21 to form a charging space; each frame structure 225 is provided with the guide rail structure, and the guide rail structure is connected with at least one sliding rail 23 in a sliding manner.
As shown in fig. 3, 5 and 6, a four-sided frame structure is illustrated, and it is understood that the four-sided frame structure may be a five-sided frame structure or a six-sided frame structure, but is not limited thereto.
Illustratively, as shown in fig. 4, there is shown an exploded view of a frame structure 225 with the track 23, slider 24, and antenna 3. The track support 2 comprises two support rods which are fixed on one surface and provided with openings at the inner side as a guide rail structure; the slide rail 23 is engaged with the opening of the rail bracket 22 and can move back and forth along the opening of the rail bracket 22. In one embodiment, the wireless charging apparatus further includes: n sliders 24; the N antennas 3 are connected to the slider 24, and the slider 24 is slidably connected to the slide rail 23.
In this embodiment, the control unit controls the slide rail 23 and the slider 24 to move, so as to adjust the transmitting position and the transmitting angle of the antenna 3. The sliders 24 and the antennas 3 are in a one-to-one correspondence relationship, and it is understood that one slider 24 may be connected to a plurality of antennas 3.
For example, as shown in fig. 4, two support rods are further provided on the slide rail 23, and an opening is provided on the inner side of the support rods; the slider 24 is connected to the slide rail 23 and can move back and forth along the support rod of the slide rail 23.
In one embodiment, the slider 24 includes: a slider main body 241, a second motor 242, and a friction wheel 243; the slider body 241 is movably connected with the rail groove 231 of the slide rail 23; the second motor 242 is fixed to the slider body 241 and is rotatably connected to the friction wheel 243; the friction wheel 243 is in contact with the slide rail 23; the second motor 242 is electrically connected to the control unit, and the second motor 242 is controlled by the control unit to rotate, so as to drive the friction wheel 243 to rotate, and the slider 24 moves relative to the slide rail 23.
Illustratively, as shown in fig. 7 to 10, the antenna 3 is connected to the slider body 21, and the slider body 21 has a groove in the middle for connecting to the guide rail 23. In the cavity inside the slider body 21, the friction wheel 243 and the friction wheel gear 248 are sleeved on the two support posts extending out of the slider body 21, and two slider motors (second motors 242) are arranged on the other side and are respectively provided with a motor gear 246. Between the friction wheel 243 and the motor gear 246 there is also a set of intermediate gears 247 and their stops 251. And then the upper cover 249 of the sliding block is connected through two groups of gaskets 250 of the friction wheel gear 248 and the motor gear 246.
Further, in one embodiment, there are two second motors 242, two friction wheels 243, and one second motor 242 is connected to one friction wheel 243; wherein, when the rotation directions of the two second motors 242 are opposite, the slider 24 stops moving.
Illustratively, hiding the slider cover 249, the movement of the slider 24 and the hovering of the slider 24 is shown in fig. 9 and 10, where the second motor 242 rotates the motor gear 246, which in turn transmits the rotation to the friction wheel gear 248 via the intermediate gear 247. The friction wheel gear 248 drives the friction wheel 243 to act on the slide rail 23. When the two sets of second motors 242 rotate in the same direction, the friction wheel 243 is driven by the gear set to rotate in the same direction, and the slider 24 and the antenna 3 are driven to move along the slide rail 23 due to the friction between the friction wheel 243 and the slide rail 23, as shown by the arrows in fig. 9. When the two sets of second motors 242 rotate in opposite directions, the friction wheel 243 is driven by the gear set to rotate in opposite directions, and the slider 24 and the antenna 3 are suspended at a specific position due to the friction between the friction wheel 243 and the slide rail 23, as shown by the arrow in fig. 10.
In one embodiment, the antenna 3 comprises: an antenna body 31, a rotating bracket 32, and an antenna bracket 33; the antenna body 31 is fixedly connected with the antenna bracket 33, the antenna bracket 33 is rotatably connected with the rotating bracket 32, and the rotating bracket 32 is rotatably connected with the sliding block 24.
In this embodiment, the antenna bracket 33 is rotatably connected to the rotating bracket 32, and the rotating bracket 32 is rotatably connected to the slider 24, so that the antenna can be rotated at a plurality of angles by superimposing through two mutually independent rotating angles, thereby increasing the flexibility of the antenna.
In a particular embodiment, with reference to fig. 11, the slider 24 is provided with a slot in which the rotating bracket 32 is placed; the rotating bracket 32 is a quadrilateral ring structure, and two opposite corners of the rotating bracket 32 are respectively connected with the sliding block 24 through a first rotating structure; the other two opposite corners of the rotating bracket 32 are respectively connected with the antenna bracket 33 through a second rotating structure; two adjacent side surfaces of the rotating bracket 32 are respectively provided with a first magnetic block 321 and a second magnetic block 322; the slider 24 is provided with a first coil 244 at a position opposite to the first magnetic block 321, and a second coil 245 at a position opposite to the second magnetic block 322; the first coil 244 and the second coil 245 are electrically connected to a control unit.
In this embodiment, the control unit controls two orthogonal sets of coils and magnets to drive the rotating bracket 32 and the antenna bracket 33 to rotate through the first rotating structure and the second rotating structure, respectively; wherein, first revolution mechanic and second revolution mechanic are two, and arrange respectively on the diagonal of difference, like this, can realize a plurality of angles of antenna and rotate as the rotation of axle through two mutually independent diagonals to increase the flexibility of antenna activity.
In a specific embodiment, the first rotating structure includes: a first spring plate 323 and a first ball 324; the first elastic sheet 323 is fixedly connected with the antenna bracket 33, and the first elastic sheet 323 is rotatably connected with the slider 24 through the first ball 324; the second rotating structure includes: a second spring 325 and a second ball 326; the second elastic sheet 325 is fixedly connected to the rotating bracket 32, and the second elastic sheet 325 is rotatably connected to the antenna bracket 33 through the second ball 326.
Illustratively, as shown in fig. 12, which shows a schematic cross-sectional view of the slider 24 along a-a 'and B to B', the slider 24 is connected to the slide rail 23, and the slider 24 is provided with a slot at a side thereof facing the inside of the device for receiving the rotating bracket 32; the rotating bracket 32 is in a square ring shape, and elastic pieces are mounted at four corners of the rotating bracket 32, wherein the first elastic pieces 323 at 2 opposite corners are connected with the antenna bracket 33 through first balls 324 (including 2 balls at opposite corners); the other 2 diagonal second elastic sheets 325 are connected with the slider 23 through second balls 326 (including 2 diagonal balls).
In one embodiment, a position detection unit is disposed on the stage 21; the position detection unit is used for detecting the placement position of the device to be charged 5, and is in communication connection with the control unit.
Referring to fig. 2 and 6, the mobile phone and the headset waiting charging device 5 are put into the wireless charging apparatus, and the wireless charging mode is turned on. The position detection unit in the wireless charging device feeds back the position information of each device to be charged 5 to the control unit. The control unit moves the transmitting antenna to a position close to the device to be charged 5 by the movement of the slide 23 and the movement of the slider 24 on the slide 23. N transmitting antennas will attempt to make a pairing connection with each device to be charged 5. In the combination of successful pairing, the control unit selects the antenna combination of successful pairing and highest energy transmission efficiency to charge the device to be charged 5.
It should be noted that, in the scenario shown in fig. 2, the 2 transmitting antennas 3 are all on the same side of the object stage 21, and the transmitting antennas 3 may also be moved to both sides of the object stage 21 according to the placing posture of the device to be charged 5, so as to improve the energy transmission efficiency between the transmitting antennas 3 and the receiving antennas of the device to be charged 5. Therefore, the placing posture of the mobile terminal can be limited to the minimum degree, and efficient energy transmission is guaranteed.
The stage 21 is made of a non-metal material so as not to affect the energy transmission of the antenna.
In an embodiment, the apparatus further comprises: a housing 4 arranged on the outside, said housing 4 having an opening and a receiving chamber.
In this embodiment, the opening is used for putting in and taking out the device 5 to be charged, and the housing 4 forms a containing cavity which can protect the antenna structure and reduce the influence of the antenna radiation on the human body.
In one embodiment, the wireless charging apparatus further includes: and the display unit is arranged on the base 1 and is used for displaying the charging state information of the equipment to be charged 5.
In this embodiment, the charging state information includes at least one of information such as whether the device to be charged is successfully paired with the target antenna, a charging state of the device to be charged 5 (including at least one of information such as whether the device to be charged is in the charging state and a current charging amount), and abnormality information of the device to be charged 5 or the wireless charging apparatus.
In one embodiment, a fan is further disposed inside the wireless charging device, and heat generated by the antenna can be dissipated through the fan.
As an alternative embodiment, referring to fig. 13, the wireless charging device further includes: the antenna comprises a rectifying and filtering circuit 102, a high-frequency conversion circuit 103 and a power amplification circuit 104, wherein the rectifying and filtering circuit 102 is used for being electrically connected with a power supply, and the rectifying and filtering circuit 102 is electrically connected with the antenna through the high-frequency conversion circuit 103 and the power amplification circuit 104 in sequence. Like this, through parts such as above-mentioned rectifier filter circuit 102, high frequency converting circuit 103 and power amplifier circuit 104 for the conversion of electric current in wireless charging device can be more convenient, and simultaneously, the electric current can increase the emissive property of electric current behind power amplifier circuit 104, thereby makes the charge efficiency of treating battery charging outfit 5 higher, and then has saved the charge time of treating battery charging outfit 5.
The device to be charged 5 may include a receiving antenna 501, a rectifying and converting circuit 502, and a load 503, where the receiving antenna 501 may receive energy transmitted by the antenna, convert the energy into electric energy through the rectifying and converting circuit 502, and flow the electric energy to the load 503, and the load 503 may be referred to as a battery, so as to achieve an effect of wirelessly charging the battery of the device to be charged 5.
The wireless charging process is described below with reference to fig. 14 and 15.
As an example, as in fig. 14, it shows a charging flow diagram of the wireless charging device shown in fig. 6, which mainly includes the following steps:
step 1, a mobile terminal (to-be-charged equipment) is placed into a wireless charging device.
And 2, detecting the position information of the mobile terminal by the position detection unit and feeding back the position information to the control unit.
And 3, the control unit controls the antenna to move to a position close to the mobile terminal within a certain range, and adjusts the angle of the antenna to point to the mobile terminal.
And 4, controlling the antennas to be paired with the mobile terminal one by the control unit.
And 5, monitoring whether the antennas and the mobile terminals are successfully paired or not by the control unit, and testing charging efficiency data of a scene of successful pairing.
Step 6, judging whether the pairing is successful; if yes, performing step 7; if not, go to step 10.
And 7, in the combination of successful pairing, the control unit respectively selects antennas which are successful in pairing and high in efficiency, charges each mobile terminal and displays the charging state information of each mobile terminal.
Step 8, judging whether the user adjusts the position or the direction of the mobile terminal; if yes, performing step 2; if not, go to step 9.
And 9, continuing to charge until the charging is finished, and displaying the charging state information of each mobile terminal.
And step 10, when no combination is successfully paired, the control unit ends the wireless charging and displays the charging state information of each mobile terminal.
Step 11, judging whether the user adjusts the position or the direction of the mobile terminal; if yes, performing step 2; if not, go to step 12.
And step 12, finishing charging and displaying the charging state information of each mobile terminal.
As an example, as in fig. 15, it shows a charging flow diagram of the wireless charging device shown in fig. 2, which mainly includes the following steps:
step 1, a mobile terminal (to-be-charged equipment) is placed into a wireless charging device.
And 2, detecting the position information of the mobile terminal by the position detection unit and feeding back the position information to the control unit.
And 3, the control unit controls the annular guide rail (the slide rail 23) to rotate and controls the slide block to move on the annular guide rail, so that the transmitting antenna is moved to a position close to the mobile terminal.
And 4, controlling the antennas to be paired with the mobile terminal one by the control unit.
And 5, monitoring whether the antennas and the mobile terminals are successfully paired or not by the control unit, and testing charging efficiency data of a scene of successful pairing.
Step 6, judging whether the pairing is successful; if yes, performing step 7; if not, go to step 10.
And 7, in the combination of successful pairing, the control unit respectively selects antennas which are successful in pairing and high in efficiency, charges each mobile terminal and displays the charging state information of each mobile terminal.
Step 8, judging whether the user adjusts the position or the direction of the mobile terminal; if yes, performing step 2; if not, go to step 9.
And 9, continuing to charge until the charging is finished, and displaying the charging state information of each mobile terminal.
And step 10, when no combination is successfully paired, the control unit ends the wireless charging and displays the charging state information of each mobile terminal.
Step 11, judging whether the user adjusts the position or the direction of the mobile terminal; if yes, performing step 2; if not, go to step 12.
And step 12, finishing charging and displaying the charging state information of each mobile terminal.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (13)

1. A wireless charging device, comprising: a base (1); a track bracket (22) fixed on the base (1); a slide rail (23) movably connected with the rail bracket (22); the N antennas (3) are movably connected with the sliding rail (23), and N is an integer larger than 1;
wherein the slide rail (23) reciprocates relative to the rail bracket (22) between a first state and a second state; the antenna (3) reciprocates on the slide rail (23) to adjust the transmitting position and the transmitting direction of the antenna (3).
2. The wireless charging apparatus of claim 1, wherein the apparatus further comprises: a control unit and a position detection unit;
the position detection unit is in communication connection with the control unit and is used for acquiring position information of the equipment to be charged (5);
the control unit is used for controlling the slide rail (23) to reciprocate between a first state and a second state relative to the rail support (22) and controlling the antenna (3) to reciprocate on the slide rail (23) according to the position information.
3. The wireless charging device according to claim 1, wherein the sliding rail (23) has a ring-shaped structure, and the first state and the second state are two states of being rotated by 180 degrees relative to the rail bracket (22) around a radial rotation axis of the sliding rail (23).
4. The wireless charging device according to claim 1, wherein the rail bracket (22) comprises a rail structure, and the slide rail (23) is slidably connected with the rail bracket (22) through the rail structure; the first state and the second state are respectively two states of the slide rail (23) at the starting end and the ending end of the guide rail structure;
the antenna (3) is perpendicular to the sliding direction of the sliding rail (23) along the guide rail structure.
5. The wireless charging device of claim 3, wherein the track bracket (22) comprises: a first support arm (221) and a second support arm (222); the first support arm (221) is rotatably connected with a first position of the slide rail (23), the second support arm (222) is rotatably connected with a second position of the slide rail (23) through a first motor (223), and the first motor (223) is electrically connected with a control unit;
the first position and the second position are on the same radial axis of the annular structure;
the device further comprises: the object stage (21) is fixedly connected with the first support arm (221) through a connecting shaft (224), and a first position of the sliding rail (23) penetrates through the connecting shaft (224); when the slide rail (23) rotates relative to the rail bracket (22), the object stage (21) is arranged in the annular structure.
6. The wireless charging apparatus of claim 4, wherein the apparatus further comprises: an object stage (21);
the rail bracket (22) includes: the base (1) and the frame structures (225) enclose the object stage (21) to form a charging space; each frame structure (225) is provided with the guide rail structure, and the guide rail structure is connected with at least one sliding rail (23) in a sliding manner.
7. The wireless charging apparatus of claim 1, wherein the apparatus further comprises: n sliders (24); the N antennas (3) are connected with the sliding block (24), and the sliding block (24) is connected with the sliding rail (23) in a sliding mode.
8. The wireless charging device according to claim 7, wherein the slider (24) comprises: a slider body (241), a second motor (242), and a friction wheel (243);
the sliding block main body (241) is movably connected with a track groove (231) of the sliding rail (23); the second motor (242) is fixed on the slider body (241) and is rotationally connected with the friction wheel (243); the friction wheel (243) is in contact with the sliding rail (23); the second motor (242) is electrically connected with the control unit, the second motor (242) is controlled by the control unit to rotate, the friction wheel (243) is driven to rotate, and the sliding block (24) moves relative to the sliding rail (23).
9. The wireless charging device according to claim 8, wherein the number of the second motors (242) is two, the number of the friction wheels (243) is two, and one second motor (242) is connected to one friction wheel (243); wherein, when the rotating directions of the two second motors (242) are opposite, the sliding block (24) stops moving.
10. The wireless charging device according to claim 7, wherein the antenna (3) comprises: an antenna body (31), a rotating bracket (32) and an antenna bracket (33); the antenna body (31) is fixedly connected with the antenna support (33), the antenna support (33) is rotatably connected with the rotating support (32), and the rotating support (32) is rotatably connected with the sliding block (24).
11. The wireless charging device according to claim 10, wherein the slider (24) is provided with a slot in which the rotating bracket (32) is placed; the rotating bracket (32) is a quadrilateral annular structure 33, and two opposite angles of the rotating bracket (32) are respectively connected with the sliding block (24) through a first rotating structure; the other two opposite corners of the rotating bracket (32) are respectively connected with the antenna bracket (33) through second rotating structures;
two adjacent side surfaces of the rotating bracket (32) are respectively provided with a first magnetic block (321) and a second magnetic block (322); the sliding block (24) is provided with a first coil (244) at a position opposite to the first magnetic block (321), and is provided with a second coil (245) at a position opposite to the second magnetic block (322); the first coil (244) and the second coil (245) are electrically connected to a control unit.
12. The wireless charging apparatus of claim 11, wherein the first rotational structure comprises: a first spring plate (323) and a first ball (324); the first elastic sheet (323) is fixedly connected with the antenna bracket (33), and the first elastic sheet (323) is rotatably connected with the sliding block (24) through the first ball bearing (324);
the second rotating structure includes: a second spring (325) and a second ball (326); the second elastic sheet (325) is fixedly connected with the rotating support (32), and the second elastic sheet (325) is rotatably connected with the antenna support (33) through the second ball (326).
13. The wireless charging apparatus of claim 1, wherein the apparatus further comprises: a housing (4) arranged on the outside, the housing (4) having an opening and a receiving chamber.
CN202111599737.6A 2021-12-24 2021-12-24 Wireless charging device Pending CN114256994A (en)

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PCT/CN2022/140657 WO2023116757A1 (en) 2021-12-24 2022-12-21 Wireless charging apparatus

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JP5496553B2 (en) * 2009-06-15 2014-05-21 三洋電機株式会社 Charging stand
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
CN106451666B (en) * 2016-11-21 2019-05-14 宇龙计算机通信科技(深圳)有限公司 The device and method of millimeter electric wave wireless charging
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CN110336342A (en) * 2019-06-05 2019-10-15 南京睿赫电子有限公司 Wireless charging device and charging method
CN114256994A (en) * 2021-12-24 2022-03-29 维沃移动通信有限公司 Wireless charging device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023116757A1 (en) * 2021-12-24 2023-06-29 维沃移动通信有限公司 Wireless charging apparatus

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