CN113890207A

CN113890207A - Wireless charger

Info

Publication number: CN113890207A
Application number: CN202010630649.7A
Authority: CN
Inventors: 符勇
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2022-01-04

Abstract

The application relates to a wireless charger, including base, coil pack, actuating mechanism, determine module and controller, coil pack includes the mounting panel and installs in the coil of mounting panel, mounting panel and base sliding connection, and actuating mechanism is used for ordering about the relative base of mounting panel and slides. When the electronic equipment is placed in the wireless charger, the detection assembly checks the relative position of a charging coil of the electronic equipment and a coil on the mounting plate and generates a detection signal; the controller is according to detection signal control actuating mechanism's operating condition to make actuating mechanism order about the relative base of mounting panel and slide to the target location, under this target location, the coil on the mounting panel is just to electronic equipment's charging coil, in order to satisfy electronic equipment's the needs of charging, because the wireless charger of this application can be according to electronic equipment's the position of charging coil, the position of adjustment coil subassembly at the base, thereby make this wireless charger can adapt to the various wireless needs of charging of waiting to charging equipment.

Description

Wireless charger

Technical Field

The application relates to the technical field of wireless charging, in particular to a wireless charger.

Background

Along with the development of wireless charging technology, more and more electronic equipment takes wireless charging, for example, built-in charging coil such as cell-phone or panel computer, when taking wireless charger to carry out wireless charging, will treat charging device stack on wireless charger for the charging coil aligns with the coil in the wireless charger, thereby makes wireless charger can pass through electromagnetic conversion, transmits the charging coil to treating charging device with the energy through inside coil, realizes then treating charging device's wireless charging. However, for electronic devices of different brands or models, because the positions of the charging coils are not uniform, the existing wireless charger has a single specification, and is difficult to meet the wireless charging requirements of electronic devices of different models.

Disclosure of Invention

The embodiment of the application provides a wireless charger with a wide application range.

The application provides a wireless charger for charge for electronic equipment, electronic equipment embeds there is the charging coil, wireless charger includes:

a base;

the coil assembly comprises a mounting plate and a coil mounted on the mounting plate, and the mounting plate is connected with the base in a sliding manner;

the driving mechanism is used for driving the mounting plate to slide relative to the base;

the detection assembly is used for generating a detection signal according to the relative position of a charging coil of the electronic equipment and a coil on the mounting plate when the electronic equipment is placed on the wireless charger;

the controller is used for receiving the detection signal and controlling the working state of the driving mechanism according to the detection signal, so that the driving mechanism drives the mounting plate to slide to a target position relative to the base, and the coil on the mounting plate is right opposite to the charging coil of the electronic device at the target position.

In one embodiment, the base is provided with a slide rail, and the mounting plate is slidably connected to the slide rail.

In one embodiment, a sliding block is convexly arranged on one side of the mounting plate, which faces the base, a sliding groove is formed in the sliding block, and the sliding rail is matched with the sliding groove.

In one embodiment, the number of the slide rails is two, and the two slide rails are arranged in parallel.

In one embodiment, a driving rack is arranged on one side of the mounting plate facing the base, and the driving rack is parallel to the sliding rail;

actuating mechanism includes motor and reduction gear group, wherein, reduction gear group includes a plurality of meshing gears that mesh in proper order, the motor is used for ordering about meshing gear rotates, and is located reduction gear group's output end department the gear with the transmission rack meshes mutually, with when the motor rotates, the transmission rack drives the mounting panel is followed the slide rail is relative the base slides.

In one embodiment, the base is provided with a separating edge, the separating edge divides the base into a first area and a second area, the controller is integrated on a circuit board, the circuit board is mounted in the first area, in-place switch parts are respectively arranged at extreme positions of two ends of the movement of the mounting plate on the base, the in-place switch parts are located in the second area and electrically connected with the controller, when the mounting plate moves to the extreme positions of the two ends along the sliding rail, the mounting plate triggers the in-place switch parts, and the in-place switch parts send control signals to the controller, so that the controller regulates and controls the movement state of the driving mechanism according to the control signals.

In one embodiment, the circuit board is provided with a clearance groove, and the reduction gear set is accommodated in the clearance groove.

In one embodiment, the first region is provided with a fan, and the fan is arranged side by side with the circuit board.

In one embodiment, the mounting plate comprises a main body part and an extension part, the main body part is circular, the coil is arranged on the main body part, the extension part extends along a tangent line of the main body part approximately, and when the mounting plate slides to the limit positions at two ends along the sliding rail, the extension part triggers the in-place switch piece.

In one embodiment, the in-position switch member comprises a tact switch or a photoelectric switch.

The wireless charger comprises a base, a coil assembly, a driving mechanism, a detection assembly and a controller, wherein the coil assembly comprises a mounting plate and a coil mounted on the mounting plate, the mounting plate is connected with the base in a sliding mode, the driving mechanism is used for driving the mounting plate to slide relative to the base, and when electronic equipment is placed on the wireless charger, the detection assembly checks the relative position of a charging coil of the electronic equipment and the coil on the mounting plate and generates a detection signal; the controller is according to detection signal control actuating mechanism's operating condition to make actuating mechanism order about the relative base of mounting panel and slide to the target location, under this target location, the coil on the mounting panel is just to electronic equipment's charging coil, in order to satisfy electronic equipment's the needs of charging, because the wireless charger of this application can be according to electronic equipment's the position of charging coil, the position of adjustment coil subassembly at the base, thereby make this wireless charger can adapt to the various wireless needs of charging of waiting to charging equipment.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of a wireless charger according to an embodiment;

FIG. 2 is a schematic view of the wireless charger shown in FIG. 1 with the mounting plate removed;

fig. 3 is a schematic perspective view of a driving mechanism of a wireless charger according to an embodiment;

FIG. 4 is a schematic view of the wireless charger shown in FIG. 1 with the mounting plate moved to one end thereof;

FIG. 5 is a schematic view of the wireless charger shown in FIG. 1 with the mounting plate moved to the other end;

fig. 6 is a schematic view illustrating a connection structure between a mounting plate and a transmission rack in the wireless charger according to an embodiment.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 and 2, the present application provides a wireless charger 100 for charging an electronic device, wherein a charging coil is disposed in the electronic device, and the wireless charger 100 includes a base 10, a coil assembly 20, a driving mechanism 30, a detection assembly, and a controller.

The coil assembly 20 includes a mounting plate 21 and a coil 22 mounted to the mounting plate 21, the mounting plate 21 being slidably connected to the base 10, and the mounting plate 21 being adjustable along with the position of the coil 22 on the mounting plate 21 to align with a charging coil of the electronic device when slid relative to the base 10.

In this embodiment, the driving mechanism 30 is used to drive the mounting plate 21 to slide relative to the base 10.

Referring to fig. 2, 3 and 6, a driving rack 21a is disposed on a side of the mounting plate 21 facing the base 10, and the driving mechanism 30 includes a motor 31 and a reduction gear set 32, wherein the reduction gear set 32 includes a plurality of meshing gears sequentially meshed with each other, the motor 31 is configured to drive the meshing gears to rotate, and a gear at an output end of the reduction gear set 32 is meshed with the driving rack 21a, so that when the motor 31 rotates, the driving rack 21a drives the mounting plate 21 to slide along the slide rail 11 relative to the base 10.

In the above embodiment, the detection assembly is used to detect the position of the charging coil of the electronic device, specifically, when the electronic device is placed in the wireless charger 100, the detection assembly is used to detect the relative position of the charging coil of the electronic device and the coil 22 on the mounting plate 21, and generate a detection signal;

and the controller is used for receiving the detection signal and controlling the working state of the driving mechanism 30 according to the detection signal, so that the driving mechanism 30 drives the mounting plate 21 to slide to a target position relative to the base 10, and the coil 22 on the mounting plate 21 is aligned with the charging coil of the electronic device at the target position.

Because wireless charger 100 charges to electronic equipment, detecting element can detect the position of electronic equipment's the charging coil, the relative position of the charging coil of electronic equipment and coil 22 on the mounting panel 21 that the controller was surveyed according to, control actuating mechanism 30 motion, make actuating mechanism 30 drive mounting panel 21 and remove to the target location, under this target location, coil 22 on the mounting panel 21 is just to electronic equipment's charging coil, thereby no matter charge to the electronic equipment of what kind of model, this wireless charger 100 can both satisfy the needs of charging through the adjustment to the coil position, expand wireless charger 100's application scope, and this kind of regulation and control mode is simple.

In one embodiment, as shown in fig. 1, the base 10 is provided with a slide rail 11, and the mounting plate 21 is slidably connected to the slide rail 11. Thereby improving the stability of the mounting plate 21 sliding relative to the base 10 by means of the slide rail 11. It should be noted that the number of the slide rails 11 may be 2 or more than 2, so as to further improve the sliding stability of the mounting plate 21. For example, the slide rail 11 is two, two slide rail 11 parallel arrangement to when mounting panel 21 slided relative base 10, it was difficult to appear rocking, then mounting panel 21 can be with the coil accurately with electronic equipment's charging coil alignment.

It should be noted that, in the embodiment where the base 10 is provided with the sliding rail 11 and the transmission rack 21a, the transmission rack 21a is parallel to the sliding rail 11, so that the reduction gear set 32 of the driving mechanism 30 is engaged with the transmission rack 21a, when the transmission mounting plate 21 slides along the sliding rail 11, the sliding rail 11 and the transmission rack 21a do not generate a transverse stress on the mounting plate 21 to retard the sliding of the mounting plate 21, and further, the transmission rack 21a and the sliding rail 11 arranged in parallel can ensure the smoothness of the movement of the mounting plate 21 relative to the base 10, so as to quickly adjust the position of the coil, so that the coil 22 of the mounting plate 21 is aligned with the charging coil of the electronic device.

Referring to fig. 6, a sliding block 23 is convexly disposed on one side of the mounting plate 21 facing the base 10, a sliding slot 231 is disposed on the sliding block 23, and the sliding rail 11 is engaged with the sliding slot 231. The slider 23 may be integrally formed with the mounting plate 21 or may be provided separately and connected together by a connecting structure such as a clip or a screw.

In one embodiment, as shown in fig. 2, the base 10 is provided with a partition rib 10a, the partition rib 10a divides the base 10 into a first area 101 and a second area 102, the controller is integrated on the circuit board 40, and the circuit board 40 is mounted in the first area 101. Referring to fig. 4 and 5, the base 10 is provided with a position switch 60 at the extreme positions of the two ends of the movement of the mounting plate 21, the position switch 60 is located in the second area 102 and electrically connected to the controller, when the mounting plate 21 moves to the extreme positions of the two ends along the slide rail 11, the mounting plate 21 triggers the position switch 60, and the position switch 60 sends a control signal to the controller, so that the controller regulates the movement state of the driving mechanism 30 according to the control signal. For example, when the mounting plate 21 triggers the in-place switch 60, the in-place switch 60 sends a stop instruction to the controller, so that the controller controls the driving mechanism 30 to stop driving the mounting plate 21 to move, and the phenomenon that the mounting plate 21 continues to move after being in place and a collision accident occurs, which affects the service life of the wireless charger 100, is avoided.

The circuit board 40 is provided with a clearance groove 41, and the reduction gear set 32 is accommodated in the clearance groove 41, so that the structure is more compact, and the whole wireless charger 100 is small and convenient to carry.

The fan 50 is disposed in the first region 101, and the fan 50 is disposed in parallel with the circuit board 40, so that heat generated when the wireless charger 100 is charged can be timely discharged by the fan 50, and damage to internal components of the wireless charger 100 due to an excessively high temperature can be avoided.

As shown in fig. 6, the mounting plate 21 includes a main body portion 211 and an extending portion 212, the main body portion 211 is circular, the coil is disposed on the main body portion 211, the extending portion 212 extends substantially along a tangent of the main body portion 211, and when the mounting plate 21 slides along the slide rail 11 to the extreme positions at both ends, the extending portion 212 triggers the position switch 60. With such a circular main body portion 211, it is possible to accommodate the arrangement of the circular coil while reducing dead space, and the extension portion 212 extends substantially along a tangent of the main body portion 211 to be able to make good contact with the in-position switch.

The position switch member 60 includes a tact switch or a photoelectric switch. The tact switch and the photoelectric switch are sensitive, and can feed back an in-place signal to the controller in time, so that the phenomenon that the internal elements of the wireless charger 100 are damaged due to the fact that the driving mechanism 30 drives the mounting plate 21 to move in an over-stroke mode in an uncontrolled mode when the wireless charger 100 breaks down is reduced.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a wireless charger for charge for electronic equipment, electronic equipment embeds there is the charging coil, its characterized in that, wireless charger includes:

a base;

2. The wireless charger of claim 1, wherein the base has a slide rail thereon, and the mounting plate is slidably coupled to the slide rail.

3. The wireless charger according to claim 2, wherein a sliding block is convexly disposed on a side of the mounting plate facing the base, the sliding block is provided with a sliding groove, and the sliding rail is matched with the sliding groove.

4. The wireless charger according to claim 2 or 3, wherein the number of the slide rails is two, and the two slide rails are arranged in parallel.

5. The wireless charger according to claim 2 or 3, wherein a driving rack is provided on a side of the mounting plate facing the base, and the driving rack and the sliding rail are parallel to each other;

6. The wireless charger according to claim 5, wherein the base is provided with a separating edge, the separating edge separates the base into a first area and a second area, the controller is integrated on a circuit board, the circuit board is mounted on the first area, the base is provided with in-place switch parts at extreme positions at two ends of the movement of the mounting plate, the in-place switch parts are located in the second area and electrically connected with the controller, when the mounting plate moves to the extreme positions at the two ends along the slide rail, the mounting plate triggers the in-place switch parts, and the in-place switch parts send control signals to the controller, so that the controller regulates and controls the movement state of the driving mechanism according to the control signals.

7. The wireless charger according to claim 6, wherein the circuit board is provided with a clearance groove, and the reduction gear set is received in the clearance groove.

8. The wireless charger of claim 6 wherein the first region is provided with a fan, the fan being positioned alongside the circuit board.

9. The wireless charger of claim 6, wherein the mounting plate comprises a main body portion and an extension portion, the main body portion is circular, the coil is disposed on the main body portion, the extension portion extends substantially along a tangent of the main body portion, and the extension portion triggers the in-place switch when the mounting plate slides along the slide rail to a limit position at both ends.

10. The wireless charger of claim 9, wherein the in-position switch member comprises a tact switch or a photoelectric switch.