CN111162612A - Wireless charging device and wireless charging method - Google Patents
Wireless charging device and wireless charging method Download PDFInfo
- Publication number
- CN111162612A CN111162612A CN201811318949.0A CN201811318949A CN111162612A CN 111162612 A CN111162612 A CN 111162612A CN 201811318949 A CN201811318949 A CN 201811318949A CN 111162612 A CN111162612 A CN 111162612A
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- coil
- wireless charging
- mounting rod
- charging
- coil mounting
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
Abstract
The invention provides a wireless charging device and a wireless charging method, wherein the wireless charging device comprises a bottom shell; the rotating hinge is arranged on the bottom shell and rotates around a rotating shaft of the rotating hinge relative to the bottom shell; the coil mounting rod is fixed on the rotating hinge, rotates along with the rotating hinge and translates relative to the rotating hinge; the charging coil assembly is fixedly mounted on the coil mounting rod; the cover plate is arranged on the charging coil assembly, a closed accommodating space is formed between the cover plate and the bottom shell, the rotating pivot is arranged on the coil mounting rod, and the charging coil assembly is arranged in the accommodating space. The wireless charging device can realize the accurate alignment of the charging coil and the receiving coil in the equipment to be charged, can improve the chargeable area, and can greatly improve the charging efficiency, thereby improving the experience of users.
Description
Technical Field
The invention belongs to the technical field of wireless charging, and particularly relates to a wireless charging device and a wireless charging method.
Background
With the development and application of the wireless charging technology, wireless charging products increasingly enter the lives of the general public, and wireless chargers are also more and more generally accepted and used by the public. In the conventional wireless charging device, the wireless charging coil is generally fixedly arranged in the wireless charging device and cannot move, and a user places a device to be charged (such as a mobile phone) on the wireless charging coil for wireless charging. When the wireless charging device which cannot move by adopting the wireless charging coil is used for charging the charging equipment, the problems that the charging area is small, the position is easy to deviate, the alignment of the wireless charging coil and the receiving end coil of the charging equipment is low, the charging efficiency is not high and the like exist.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present invention is to provide a wireless charging device and a wireless charging method, for solving the problems of the prior art, such as a small chargeable area, an easy deviation of a placement position, a low alignment between a wireless charging coil and a receiving end coil of a device to be charged, and a low charging efficiency.
To achieve the above and other related objects, the present invention provides a wireless charging device, comprising:
a bottom case;
the rotating hinge is arranged on the bottom shell and rotates around a rotating shaft of the rotating hinge relative to the bottom shell;
the coil mounting rod is fixed on the rotating hinge, rotates along with the rotating hinge and translates relative to the rotating hinge;
the charging coil assembly is fixedly mounted on the coil mounting rod and moves along with the coil mounting rod;
the cover plate is arranged on the charging coil assembly, a closed accommodating space is formed between the cover plate and the bottom shell, the rotating pivot is arranged on the coil mounting rod, and the charging coil assembly is arranged in the accommodating space.
In one embodiment, the rotating hinge includes a coil mounting bar slot having a width matching a width of the coil mounting bar, the coil mounting bar being fixed in the coil mounting bar slot.
In one embodiment, the wireless charging device further comprises at least one driving gear disposed at the bottom of the coil mounting bar slot; the coil mounting rod is provided with at least one track tooth groove meshed with the driving gear, the track tooth groove is parallel to the translation direction of the coil mounting rod, and the driving gear drives the coil mounting rod to translate relative to the rotating hinge under the action of the track tooth groove.
In one embodiment, the wireless charging device further comprises at least two driving gears, and the driving gears are arranged on the rotating hinge; the coil mounting rod is provided with at least two track tooth grooves meshed with the driving gear, the track tooth grooves are parallel to the translation direction of the coil mounting rod, and the driving gear drives the coil mounting rod to translate relative to the rotating hinge under the action of the track tooth grooves.
In an embodiment, the charging coil assembly includes a shielding layer and a transmitting coil disposed on the shielding layer.
In an embodiment, the shielding layer comprises ferrite.
In one embodiment, the wireless charging apparatus further comprises a driving unit for driving the coil mounting rod to move so as to align the charging coil assembly with a receiving coil of a device to be charged.
In one embodiment, the wireless charging apparatus further includes:
the main control module is arranged in the accommodating space and is connected with the driving unit and the charging coil assembly;
the monitoring unit is used for monitoring the position of a receiving coil of the equipment to be charged and is connected with the main control module;
the detection unit transmits position information of a receiving coil of the device to be charged to the main control module, and the main control module controls the driving unit to drive the coil mounting rod to move according to the received position information so as to enable the charging coil assembly to be aligned with the receiving coil of the device to be charged.
In one embodiment, the monitoring unit includes a wiring layer disposed on an end surface of the cover plate near the charging assembly.
In order to achieve the above and other related objects, the present invention provides a method for wirelessly charging a device to be charged by using any one of the above wireless charging apparatuses, including:
providing the wireless charging device of any one of the above aspects;
placing a device to be charged on a cover plate of a wireless charging device, and adjusting the position of the charging coil assembly by controlling the movement of the coil mounting rod so as to align the charging coil assembly with a receiving coil of the device to be charged;
and charging the equipment to be charged by utilizing the wireless charging device.
In an embodiment, the wireless charging method further includes the step of moving the charging coil assembly back to the initial position after the charging of the device to be charged is finished.
The wireless charging device can realize the accurate alignment of the charging coil (transmitting coil) and the receiving coil in the equipment to be charged, can improve the chargeable area, and can greatly improve the charging efficiency, thereby improving the experience of users; meanwhile, the wireless charging device can be automatically adjusted to enable the charging coil and the receiving coil to be accurately aligned, so that different devices to be charged can be charged.
Drawings
Fig. 1 is an exploded view of a wireless charging device according to the present invention.
Fig. 2 is a schematic structural diagram of a rotating hinge and a driving gear of the wireless charging device of the present invention.
Fig. 3 is a schematic diagram illustrating a coil mounting bar structure of the wireless charging device according to the present invention.
Fig. 4 is a schematic structural diagram of a charging coil assembly of the wireless charging device according to the present invention.
Description of the element reference numerals
1 bottom shell
2 rotating hinge
21 coil mounting bar slot
22 drive gear
3 coil mounting rod
31 track tooth slot
311 convex tooth
4 charging coil assembly
41 Shielding layer
42 transmitting coil
5 cover plate
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 4. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
It should be noted that, the transmitting end coil (charging coil 42) of the wireless charging device in the market generally works on the base, when a user places a device to be charged thereon for use, the chargeable area is small, and the positioning deviation causes the problems of low alignment between the transmitting end coil and the receiving coil on the charging device, low charging efficiency and the like. Based on the above, the invention reasonably provides the wireless charging device and the method for charging the equipment to be charged by using the wireless charging device.
Referring to fig. 1 to 4, the present invention provides a wireless charging device, which includes a bottom case 1, a rotating hinge 2, a coil mounting rod 33, a charging coil assembly 4 and a cover plate 5. Fig. 1 is an exploded view of a wireless charging device according to the present invention; fig. 2 is a schematic structural diagram of the rotating hub 2 and the driving gear 22 of the wireless charging device of the present invention; fig. 3 is a schematic structural view of a coil mounting rod 33 of the wireless charging device according to the present invention; fig. 4 is a schematic structural diagram of a charging coil assembly 4 of the wireless charging device according to the present invention.
Specifically, as shown in fig. 1, the rotating hinge 2 is disposed on the bottom case 1, and the rotating hinge 2 rotates around its rotating shaft relative to the bottom case 1; the coil mounting rod 33 is fixed on the rotating hinge 2, and the coil mounting rod 33 rotates along with the rotating hinge 2 and translates relative to the rotating hinge 2; the charging coil assembly 4 is fixedly mounted on the coil mounting rod 33, and the charging coil assembly 4 moves along with the coil mounting rod 33; the cover plate 5 is arranged on the charging coil assembly 4, a closed accommodating space is formed between the cover plate 5 and the bottom shell 1, the rotating pivot 2 is arranged on the coil mounting rod 3, and the charging coil assembly 4 is arranged in the accommodating space.
As an example, the charging coil assembly 4 moves synchronously with the coil mounting rod 3, and the movement track thereof can cover the whole area of the cover plate 5, which can greatly improve the charging area.
As an example, as shown in fig. 1 and 2, the rotating hinge 2 includes a coil mounting bar slot 21, a width of the coil mounting bar slot 21 matches a width of the coil mounting bar 3, the coil mounting bar 3 is fixed in the coil mounting bar slot 21, the sliding energy is allowed to move along the track formed by the coil mounting bar slot 21 due to the limitation of two side walls of the coil mounting bar slot 21, and the coil mounting bar 3 can rotate with the rotating hinge 2 due to the limitation of two side walls of the coil mounting bar slot 21 when the rotating hinge 2 rotates.
As an example, as shown in fig. 2, the wireless charging device further includes at least one driving gear 22, the driving gear 22 being disposed at the bottom of the coil mounting bar slot 21; as shown in fig. 3, at least one track tooth slot 31 engaged with the driving gear 22 is disposed on the coil mounting rod 3, a convex tooth 311 engaged with the driving gear 22 is disposed on the coil mounting rod 3, the track tooth slot 31 is parallel to the direction of translation of the coil mounting rod 3, and the driving gear 22 drives the coil mounting rod 3 to translate relative to the rotating hinge 2 by the action of the convex tooth 311 engaged with the track tooth slot 31.
As shown in fig. 2, in order to enable the coil mounting rod 3 to slide along the coil mounting rod groove 21, only one side wall of the coil mounting rod groove 21 is provided with a convex tooth 311 engaged with the driving gear 22, when the driving gear 22 rotates, the coil mounting rod 3 is driven to move by the action of the gear teeth of the driving gear 22 and the convex tooth 311 of the track tooth slot 31, and the coil mounting rod 3 is enabled to translate relative to the rotating hinge 2 and along the surface thereof due to the limitation of the two side walls of the coil mounting rod groove 21.
As an example, as shown in fig. 2, the wireless charging device includes two driving gears 22, the driving gears 22 are disposed at the bottom position of the coil mounting bar groove 21 and are respectively disposed at both sides of the axis of the coil mounting bar groove 21; correspondingly, as shown in fig. 3, two parallel track slots 31 are formed on the coil mounting rod 3, protruding teeth 311 are formed on adjacent side walls of the two track slots 31, the driving gear 22 is inserted into the track slots 31, when the driving gear 22 rotates, the two driving gears 22 rotate in opposite directions, for example, clockwise and counterclockwise, and the coil mounting rod 3 translates along the surface of the rotating hinge 2 by the action of the gear teeth of the driving gear 22 and the protruding teeth 311 of the track slots 31; the driving gear 22 may also perform a limit function as the coil mounting bar groove 21.
It will be understood by those skilled in the art that the coil mounting bar slot 21 may not be provided on the rotating hinge 2, and for example, a limiting device may be provided on the surface of the rotating hinge 2 to realize the function of the coil mounting bar slot 21. For example, in one example, a stopper (not shown) is disposed on the rotating hinge 2, a stopper groove (not shown) is disposed on the coil mounting rod 3, the stopper and the stopper groove are matched in size, the stopper is located in the stopper groove, and when the coil mounting rod moves relative to the rotating hinge 2, the stopper moves along the stopper groove with the coil mounting rod as a reference system.
It is understood that the coil mounting rod can be translated relative to the rotary hinge 2 by other driving means than a gear driving means.
Specifically, as shown in fig. 4, the charging coil assembly 4 includes a shielding layer 41 and a transmitting coil 42 disposed on the shielding layer 41. By way of example, the shield layer 41 may comprise ferrite or other shielding material, such as gold alloy.
Specifically, the wireless charging device further includes a driving unit (not shown) for driving the coil mounting rod 3 to move to align the charging coil assembly 4 with the receiving coil of the device to be charged, which may be a driving motor, as an example.
Specifically, the wireless charging device further includes a main control module (not shown) disposed in the bottom case 1, and connected to the driving unit and the charging coil assembly 4; a monitoring unit (not shown) for monitoring the position of the receiving coil of the device to be charged, which is connected with the main control module; the monitoring unit transmits the position information of the receiving coil of the device to be charged to the main control module, and the main control module controls the driving unit to drive the coil mounting rod 3 to move according to the received position information, so that the charging coil assembly 4 is aligned with the receiving coil of the device to be charged.
As an example, the monitoring unit may include a wiring layer provided on an end surface of the cover plate 5 near the charging assembly. Specifically, a layer of circuit board is arranged on the surface of the cover plate 5 and the coil assembly and connected to the main control module, a plurality of circuit wiring layers (wiring layers) are distributed on the circuit board and cover the whole area of the cover plate 5, the wiring layers can continuously send detection signals, if a device to be charged is placed in a certain area at will, signals fed back to the main control module through the wiring layers in the corresponding area are different, accordingly, the position of the device to be charged is confirmed, the main control module immediately controls the driving unit to drive the rotating hub 2 and the driving gear 22 to rotate so as to control the movement of the coil mounting rod 3, and then the coil assembly fixed on the coil mounting rod 3 is moved to the corresponding area through the coil mounting rod 3 to start charging the device.
It can be understood that, after the charging is finished, the wireless charging device is reset by controlling the rotation of the rotating hub 2 and the driving gear 22.
It should be noted that, although only the case that the charging coil assembly is completely fixed on the coil mounting rod is described above, the present invention is not limited to this, and the charging coil assembly can also move along the axial direction of the coil mounting rod, and the coil mounting rod only rotates along with the rotating hinge synchronously, so that the charging coil assembly can also cover the whole cover plate area, and the charging area of the wireless charging device is enlarged.
The wireless charging device can be used as a wireless charger of electronic terminal products such as a mobile phone wireless charger and a smart watch, and can be used as a charger of a plurality of devices to be charged.
The charging process or the charging method of the wireless charging device comprises the following steps:
step S10 is executed to provide a wireless charging device as described above.
Step S20 is executed, the device to be charged is placed on the cover plate of the wireless charging device, and the position of the charging coil assembly 4 is adjusted by controlling the movement of the coil mounting rod 3, so that the charging coil assembly 4 is aligned with the receiving coil of the device to be charged.
The specific process is described in detail in the above description, and is not repeated herein.
Step S30 is executed, in which the wireless charging apparatus is used to charge the device to be charged.
And step S40, when the charging of the device to be charged is finished, the charging coil assembly 4 is moved back to the initial position.
In summary, the present invention provides a wireless charging device and a wireless charging method, the wireless charging device includes a bottom case; the rotating hinge is arranged on the bottom shell and rotates around a rotating shaft of the rotating hinge relative to the bottom shell; the coil mounting rod is fixed on the rotating hinge, rotates along with the rotating hinge and translates relative to the rotating hinge; the charging coil assembly is fixedly mounted on the coil mounting rod; the cover plate is arranged on the charging coil assembly, a closed accommodating space is formed between the cover plate and the bottom shell, the rotating pivot is arranged on the coil mounting rod, and the charging coil assembly is arranged in the accommodating space. By utilizing the wireless charging device, the accurate alignment of the charging coil and the receiving coil in the equipment to be charged can be realized, the chargeable area can be improved, the charging efficiency can be greatly improved, and the user experience is improved; meanwhile, the wireless charging device can be automatically adjusted to enable the charging coil and the receiving coil to be accurately aligned, so that different devices to be charged can be charged efficiently.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (11)
1. A wireless charging device, comprising:
a bottom case;
the rotating hinge is arranged on the bottom shell and rotates around a rotating shaft of the rotating hinge relative to the bottom shell;
the coil mounting rod is fixed on the rotating hinge, rotates along with the rotating hinge and translates relative to the rotating hinge;
the charging coil assembly is fixedly mounted on the coil mounting rod and moves along with the coil mounting rod;
the cover plate is arranged on the charging coil assembly, a closed accommodating space is formed between the cover plate and the bottom shell, the rotating pivot is arranged on the coil mounting rod, and the charging coil assembly is arranged in the accommodating space.
2. The wireless charging device of claim 1, wherein the rotating hinge comprises a coil mounting bar slot having a width matching a width of the coil mounting bar, the coil mounting bar being secured in the coil mounting bar slot.
3. The wireless charging device of claim 2, further comprising at least one drive gear disposed at a bottom of the coil mounting bar slot; the coil mounting rod is provided with at least one track tooth groove meshed with the driving gear, the track tooth groove is parallel to the translation direction of the coil mounting rod, and the driving gear drives the coil mounting rod to translate relative to the rotating pivot through the action of convex teeth of the track tooth groove.
4. The wireless charging device of claim 1, further comprising at least two drive gears disposed on a rotating hub; the coil mounting rod is provided with at least two track tooth grooves meshed with the driving gear, the track tooth grooves are parallel to the translation direction of the coil mounting rod, and the driving gear drives the coil mounting rod to translate relative to the rotating hinge under the action of the track tooth grooves.
5. The wireless charging apparatus of claim 1, wherein the charging coil assembly comprises a shielding layer and a transmitting coil disposed on the shielding layer.
6. The wireless charging apparatus of claim 5, wherein the shielding layer comprises ferrite.
7. The wireless charging apparatus of claim 1, further comprising a driving unit for driving the coil mounting rod to move to align the charging coil assembly with a receiving coil of a device to be charged.
8. The wireless charging device of claim 7, further comprising:
the main control module is arranged in the accommodating space and is connected with the driving unit and the charging coil assembly;
the monitoring unit is used for monitoring the position of a receiving coil of the equipment to be charged and is connected with the main control module;
the detection unit transmits position information of a receiving coil of the device to be charged to the main control module, and the main control module controls the driving unit to drive the coil mounting rod to move according to the received position information, so that the charging coil assembly is aligned with the receiving coil of the device to be charged.
9. The wireless charging device of claim 1, wherein the monitoring unit comprises a wiring layer disposed on an end surface of the cover plate adjacent to the charging assembly.
10. A wireless charging method, comprising:
providing a wireless charging apparatus according to any one of claims 1-9;
placing a device to be charged on a cover plate of a wireless charging device, and adjusting the position of the charging coil assembly by controlling the movement of the coil mounting rod so as to align the charging coil assembly with a receiving coil of the device to be charged;
and charging the equipment to be charged by utilizing the wireless charging device.
11. The wireless charging method according to claim 10, further comprising the step of moving the charging coil assembly back to an initial position when charging of the device to be charged is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318949.0A CN111162612A (en) | 2018-11-07 | 2018-11-07 | Wireless charging device and wireless charging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318949.0A CN111162612A (en) | 2018-11-07 | 2018-11-07 | Wireless charging device and wireless charging method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111162612A true CN111162612A (en) | 2020-05-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811318949.0A Pending CN111162612A (en) | 2018-11-07 | 2018-11-07 | Wireless charging device and wireless charging method |
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| Country | Link |
|---|---|
| CN (1) | CN111162612A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467884A (en) * | 2020-11-18 | 2021-03-09 | Oppo广东移动通信有限公司 | Wireless charging device, system and method |
-
2018
- 2018-11-07 CN CN201811318949.0A patent/CN111162612A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467884A (en) * | 2020-11-18 | 2021-03-09 | Oppo广东移动通信有限公司 | Wireless charging device, system and method |
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