CN116647060A - Wireless charging alignment method and electronic equipment - Google Patents

Abstract

The application relates to a wireless charging alignment method and electronic equipment, wherein the wireless charging alignment method comprises the following steps: detecting whether the electronic equipment is placed in the wireless charging device or not, wherein the electronic equipment comprises a first shell, a second shell and a driving mechanism for driving the first shell and the second shell to move relatively, a receiving coil is arranged in the first shell, and the wireless charging device comprises a charging coil; when the electronic equipment is placed in the wireless charging device, detecting the relative position of the receiving coil and the charging coil; the drive mechanism is controlled to drive the first housing and the second housing to move relative to each other according to the relative position so that the receiving coil is aligned with the charging coil. According to the wireless charging alignment method and the electronic device, the driving mechanism is controlled to drive the first shell and the second shell to move relatively according to the relative position detected by the detection assembly, so that the electronic device and the wireless charging device are automatically and accurately aligned, the wireless charging alignment convenience is improved, and the user experience is improved.

Description

Wireless charging alignment method and electronic equipment

Technical Field

The present application relates to the field of wireless charging technologies, and in particular, to a wireless charging alignment method and an electronic device.

Background

With the development of wireless charging technology, electronic devices such as mobile phones and tablet computers supporting wireless charging are popular with consumers because of convenient charging.

However, even if a coil supporting wireless charging is provided in such an electronic device, there is a problem that the electronic device is placed on a wireless charging device and is misaligned. The misalignment refers to that the coil in the electronic device and the coil in the wireless charging device do not form an overlapping area, and at this time, electrical coupling between the coil in the wireless charging device and the electronic device cannot be realized, so that the wireless charging device cannot charge the electronic device. Only when the electronic equipment is accurately placed in the charging area of the wireless charging device, the wireless charging device can charge the electronic equipment. In this way, not only is the operation inconvenient, but also the user needs to be particularly careful about whether the electronic device is accurately placed in the charging area of the wireless charging device, and the user experience is poor.

Disclosure of Invention

The application provides a wireless charging alignment method and electronic equipment, which are used for solving the technical problem that the wireless charging alignment of the electronic equipment is inconvenient.

In one aspect, an embodiment of the present application provides a wireless charging alignment method, including:

detecting whether an electronic device is placed in the wireless charging device or not, wherein the electronic device comprises a first shell, a second shell and a driving mechanism for driving the first shell and the second shell to move relatively, a receiving coil is arranged in the first shell, and the wireless charging device comprises a charging coil;

when the electronic equipment is placed in the wireless charging device, detecting the relative position of the receiving coil and the charging coil;

controlling the drive mechanism to drive the first housing and the second housing to move relatively according to the relative position so that the receiving coil is aligned with the charging coil.

In another aspect, an embodiment of the present application provides an electronic device, including:

the shell assembly comprises a first shell and a second shell which are movably connected, and a receiving coil is arranged in the first shell;

the detection component is arranged in the first shell, is fixed relative to the position of the receiving coil, and is used for detecting the relative position of the receiving coil and the charging coil of the wireless charging device when the electronic equipment is placed in the wireless charging device;

The driving mechanism is arranged in a space enclosed by the first shell and the second shell and is used for driving the first shell and the second shell to move relatively; and

The controller is arranged in the first shell or the second shell, the detection assembly and the driving mechanism are electrically connected with the controller, and the controller is used for controlling the driving mechanism to drive the first shell and the second shell to move relatively according to the relative position detected by the detection assembly so as to align the receiving coil with the charging coil.

According to the wireless charging alignment method and the electronic device, the driving mechanism is arranged in the shell assembly of the electronic device, the shell assembly comprises the first shell and the second shell which are movably connected, and the receiving coil is arranged in the first shell. The detection assembly is utilized to detect the relative position of the receiving coil and the charging coil, and the driving mechanism is controlled according to the relative position detected by the detection assembly to drive the first shell and the second shell to move relatively so as to align the receiving coil with the charging coil in the wireless charging device. Therefore, the electronic equipment and the wireless charging device can be automatically and accurately aligned, a user does not need to pay attention to whether the electronic equipment is accurately placed in a charging area of the wireless charging device, wireless charging alignment convenience is improved, and user experience is improved.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of an electronic device according to an embodiment when a first housing is in a folded position.

Fig. 2 is a schematic cross-sectional view of the electronic device shown in fig. 1.

Fig. 3 is a schematic view of an electronic device according to an embodiment when the first housing is in the unfolded position.

Fig. 4 is a schematic cross-sectional view of the electronic device shown in fig. 3.

Fig. 5 is a schematic structural diagram of another view angle of the electronic device according to an embodiment.

Fig. 6 is a schematic structural diagram of an electronic device and an adaptive wireless charging device according to an embodiment.

Fig. 7 is a schematic structural diagram of an electronic device and an adaptive wireless charging device according to another embodiment.

Fig. 8 is a schematic structural diagram of an electronic device and an adaptive wireless charging device according to still another embodiment.

Fig. 9 is a flow chart of a wireless charging alignment method according to an embodiment.

Fig. 10 is a flowchart of step S104 in the wireless charging alignment method according to an embodiment.

Fig. 11 is a flowchart of step S102 in the wireless charging alignment method according to an embodiment.

Fig. 12 is a flowchart of a wireless charging alignment method according to another embodiment.

Reference numerals illustrate:

100. an electronic device; 101. a receiving coil; 103. a third coil; 10. a housing assembly; 12. a first housing; 14. a second housing; 141. a rear cover; 16. a third housing; 161. a back surface; 20. a flexible screen; 20a, displaying an interface; 202. a fixed end; 204. a free end; 30. a detection assembly; 30a, a magnetic sensor; 40. a driving mechanism; 50. a controller; 60. a traction member; 70. a camera module; 200. a wireless charging device; 200a, a main body; 200b, a charging coil; 200c, a magnet; 200d, grooves.

Detailed Description

In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

As used herein, "electronic device" refers to a device capable of receiving and/or transmitting communication signals that includes, but is not limited to, a device connected via any one or several of the following connections:

(1) Via a wireline connection, such as via a public-switched telephone network (Public Switched Telephone Networks, PSTN), a digital subscriber line (Digital Subscriber Line, DSL), a digital cable, a direct cable connection;

(2) Via a wireless interface, such as a cellular network, a wireless local area network (Wireless Local Area Network, WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter.

An electronic device arranged to communicate over a wireless interface may be referred to as a "mobile terminal". Examples of mobile terminals include, but are not limited to, the following electronic devices:

(1) Satellite phones or cellular phones;

(2) A personal communications system (Personal Communications System, PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities;

(3) A radiotelephone, pager, internet/intranet access, web browser, notepad, calendar, personal digital assistant (Personal Digital Assistant, PDA) equipped with a global positioning system (Global Positioning System, GPS) receiver;

(4) Conventional laptop and/or palmtop receivers;

(5) Conventional laptop and/or palmtop radiotelephone transceivers, and the like.

Referring to fig. 1 to 4, an electronic device 100 according to an embodiment of the present application includes a case assembly 10 and a flexible screen 20, wherein the flexible screen 20 is connected to the case assembly 10. The electronic device 100 may also include a circuit board (not shown) and a battery (not shown), both of which may be disposed in the housing assembly 10. The circuit board may integrate the processor, power management module, memory unit, baseband chip, etc. of the electronic device 100. The flexible screen 20 is communicatively coupled to the processor and the battery is capable of powering the flexible screen 20 and the electronic components on the circuit board. It is understood that the electronic device 100 of the embodiment of the present application includes, but is not limited to, a mobile phone or a tablet computer. In some embodiments, the electronic device 100 may not be provided with the flexible screen 20.

For ease of understanding, in the embodiments of the present application, a mobile phone will be described as an example.

The housing assembly 10 includes a first housing 12 and a second housing 14 movably connected, the first housing 12 and the second housing 14 being capable of relative movement in a given direction. The flexible screen 20 is connected to the first housing 12 and the second housing 14. With the relative movement of the first and second housings 12, 14 in a given direction, at least a portion of the mechanism of the flexible screen 20 is deployed from within the housing assembly 10 or is stowed within the housing assembly 10 for the purpose of adjusting the deployment length of the flexible screen 20.

In some embodiments, the first housing 12 and the second housing 14 are slidably coupled, and it is understood that the first housing 12 and the second housing 14 may be relatively slidable in a given direction. For example, one of the first and second housings 12 and 14 may be provided with a slide rail, and the other may slide along the slide rail to enable the first and second housings 12 and 14 to move telescopically with each other.

In other embodiments, the first housing 12 and the second housing 14 may be movably connected by other structures that can move telescopically in a predetermined direction. Illustratively, a plurality of connecting rods (not shown) are connected between the first housing 12 and the second housing 14, and two ends of each connecting rod are respectively connected with the first housing 12 and the second housing 14 and maintain the first housing 12 and the second housing 14 to move relatively only along a predetermined direction, so as to realize movable connection between the first housing 12 and the second housing 14 along the predetermined direction. The manner of the movable connection between the first housing 12 and the second housing 14 is not limited herein.

Referring to fig. 5, the electronic device 100 according to the embodiment of the present application supports wireless charging, that is, the wireless charging device 200 can be used to wirelessly charge the electronic device 100.

Note that, the electronic device 100 includes a receiving coil 101, the wireless charging device 200 includes a charging coil 200b, and when the receiving coil 101 is aligned with the charging coil 200b, the wireless charging device 200 charges the electronic device 100 by using electromagnetic coupling between the receiving coil 101 and the charging coil 200 b.

In some embodiments, the wireless charging device 200 includes a main body 200a, and the charging coil 200b may be disposed in the main body 200a, or may be attached to a supporting surface of the main body 200a for placing the electronic device 100, where the location and the connection manner of the charging coil 200b with respect to the main body 200a are not limited herein.

When it is necessary to charge the electronic device 100, the electronic device 100 may be placed on the main body 200a of the wireless charging apparatus 200. When the receiving coil 101 is aligned with the charging coil 200b, the charging coil 200b is mated with the receiving coil 101, so that the wireless charging device 200 charges the electronic apparatus 100.

The receiving coil 101 is disposed in the first housing 12, such that the receiving coil 101 moves with the first housing 12 when the first housing 12 and the second housing 14 move relatively.

As shown in connection with fig. 5 and 6, the electronic device 100 includes a detection assembly 30, a drive mechanism 40, and a controller 50.

The detection assembly 30 is disposed within the first housing 12. In this embodiment, the detecting component 30 is used to detect the relative positions of the receiving coil 101 and the charging coil 200 b. It should be noted that, the position of the detecting component 30 relative to the receiving coil 101 is fixed, that is, the setting positions of the detecting component 30 and the receiving coil 101 in the first housing 12 are fixed, so that the relative positions of the detecting component 30 and the receiving coil 101 are unchanged during the movement of the first housing 12 relative to the second housing 14, and thus, the detecting component 30 can be used to detect the object to be detected in the wireless charging device 200, so as to obtain the relative positions of the receiving coil 101 and the charging coil 200 b.

The driving mechanism 40 is disposed in the case assembly 10, specifically, the driving mechanism 40 is disposed in a space enclosed by the first case 12 and the second case 14. The drive mechanism 40 is used to drive the relative movement of the first housing 12 and the second housing 14.

Illustratively, the first housing 12 and the second housing 14 are both connected to the driving mechanism 40 and are relatively moved by the driving mechanism 40. The driving mechanism 40 has a fixed portion and a movable portion, and the movable portion is movable relative to the fixed portion when the driving mechanism 40 is operated. The fixed part is connected with the first shell 12, the movable part is connected with the second shell 14, and the movable part is used for driving the first shell 12 to move relative to the second shell 14.

The driving mechanism 40 may be a belt transmission structure or a gear transmission structure, or may be a telescopic transmission structure such as a cylinder. The structure of the driving mechanism 40 is not limited herein, as long as the driving mechanism 40 can drive the first housing 12 and the second housing 14 to move relatively.

The controller 50 is disposed within the first housing 12 or the second housing 14. The detection assembly 30 and the drive mechanism 40 are both electrically connected to a controller 50. The controller 50 is configured to control the driving mechanism 40 to drive the first housing 12 and the second housing 14 to move relatively according to the relative position detected by the detecting assembly 30, so that the receiving coil 101 is aligned with the charging coil 200 b. The electronic device 100 according to the embodiment of the application uses the detection assembly 30 to detect the relative position of the receiving coil 101 and the charging coil 200b, and controls the driving mechanism 40 to drive the first housing 12 and the second housing 14 to move relatively according to the relative position detected by the detection assembly 30, so that the receiving coil 101 is opposite to the charging coil 200b in the wireless charging device 200. Therefore, the electronic equipment 100 and the wireless charging device 200 can be automatically and accurately aligned, a user does not need to pay attention to whether the electronic equipment 100 is accurately placed in a charging area of the wireless charging device 200, and accordingly wireless charging alignment convenience is improved, and user experience is improved.

In some embodiments, when the electronic device 100 is placed in the wireless charging device 200, the position of the second housing 14 relative to the wireless charging device 200 is fixed. Because the detecting assembly 30 is disposed in the first housing 12, and the position of the detecting assembly 30 relative to the receiving coil 101 is fixed, by this structural arrangement, in the process that the driving mechanism 40 drives the first housing 12 and the second housing 14 to move relatively, the moving distance of the detecting assembly 30 along with the first housing 12 relative to the second housing 14 is consistent with the moving distance of the receiving coil 101 relative to the charging coil 200b of the wireless charging device 200, so that the driving mechanism 40 can be controlled to drive the first housing 12 and the second housing 14 to move relatively according to the relative position detected by the detecting assembly 30 (i.e. the relative position of the charging coil 200b and the receiving coil 101), so that the receiving coil 101 and the charging coil 200b are aligned quickly.

Further, the surface roughness of the second housing 14 is greater than that of the first housing 12, so that when the electronic device 100 is placed in the wireless charging device 200, the driving mechanism 40 drives the first housing 12 and the second housing 14 to move relatively to the wireless charging device 200 more easily than the second housing 14 during the relative movement of the first housing 12 and the second housing 14, so as to improve the alignment efficiency of the receiving coil 101 and the charging coil 200 b. As shown in fig. 6, the electronic device 100 includes a camera module 70 protruding from the surface of the second housing 14, so that the coefficient of friction between the second housing 14 and the wireless charging device 200 is increased by using the camera module 70, and the second housing 14 is not easy to move relative to the wireless charging device 200 when the first housing 12 and the second housing 14 move relatively. In some embodiments, the wireless charging device 200 is provided with a groove 200d, where the groove 200d may accommodate a portion of the camera module 70 protruding from the surface of the second housing 14, so that the electronic device 100 and the wireless charging device 200 are stacked tightly, and at the same time, the groove 200d accommodates the camera module 70 to limit the movement of the camera module 70 relative to the wireless charging device 200, so as to facilitate ensuring that the second housing 14 does not move relative to the wireless charging device 200.

In some embodiments, the controller 50 is further configured to determine whether the receiving coil 101 and the charging coil 200b are aligned according to the detection of the relative positions of the two by the detection assembly 30. When the receiving coil 101 is aligned with the charging coil 200b, the controller 50 controls the driving mechanism 40 to stop driving the first housing 12 and the second housing 14 to move relatively, so that the receiving coil 101 and the charging coil 200b are kept aligned, and charging stability is ensured.

For convenience of further description of the structure of the electronic device 100, a position at which the first housing 12 and the second housing 14 are relatively moved to be folded will be referred to as a "folded position", and a position at which the first housing 12 and the second housing 14 are relatively moved to be unfolded will be referred to as an "unfolded position", that is, the first housing 12 can be moved to be folded and unfolded in a predetermined direction with respect to the second housing 14.

In some embodiments, as shown in connection with fig. 6, a third coil 103 is disposed in the second housing 14 and electrically connected to the receiving coil 101. When the first housing 12 and the second housing 14 are in the folded position with respect to each other, the third coil 103 is opposed to the receiving coil 101. When the first housing 12 and the second housing 14 are in the deployed position with respect to each other, the third coil 103 and the receiving coil 101 are offset from each other. So configured, the electronic device 100 may utilize the receive coil 101 and the third coil 103 to effect reception of electromagnetic energy. Any one of the receiving coil 101 and the third coil 103 is aligned with the charging coil 200b, and the wireless charging device 200 can be used to wirelessly charge the electronic device 100 by matching the charging coil 200b with the corresponding receiving coil 101 or the third coil 103 in the electronic device 100. In particular, in the folded position, since the third coil 103 is opposed to the receiving coil 101, electromagnetic coupling between the third coil 103 and the receiving coil 101 and the charging coil 200b can be simultaneously performed at this time, so that electromagnetic energy transmitted from the charging coil 200b can be sufficiently received, and charging efficiency can be improved.

As can be appreciated, in the embodiment of the electronic device 100 including the flexible screen 20 shown in fig. 1 and 2, the electronic device 100 has a relatively small overall size and is portable when the second housing 14 is in the collapsed position. As shown in fig. 3 and 4, when the second housing 14 is in the unfolded position, the electronic device 100 can obtain a relatively large display area, so as to obtain a visual experience of a large screen display, so as to improve the use experience of the electronic device 100. Thus, with this arrangement, the area of the display screen of the flexible screen 20 (hereinafter referred to as the display interface 20 a) can be adjusted by relative sliding expansion and contraction of the first housing 12 and the second housing 14. In some embodiments, when the first housing 12 is in the folded position, the display interface 20a exposed outside the housing assembly 10 is generally rectangular, and may have a size of 4.5 inches to 7 inches, which is comparable to the size of the display screen of a typical smart phone, so that the electronic device 100 is convenient to carry and use.

It should be noted that, as a structural member of the electronic device 100 for displaying or touching, the flexible screen 20 has a display area, where the display area corresponds to an area of the flexible screen 20 corresponding to a maximum display screen, or when the first housing 12 and the second housing 14 are in the extended position during the sliding and stretching process, that is, when the display interface 20a is at a maximum, the display interface 20a is the same as the display area. Since the first casing 12 and the second casing 14 are housed inside without being exposed during sliding expansion and contraction of the first casing 12 and the second casing 14 with respect to each other, the display area of the flexible screen 20 is not displayed. The display interface 20a refers to a portion of the display area exposed to the first housing 12 and the second housing 14. When the display interface 20a is turned on or the screen is displayed, the content displayed on the display interface 20a can be observed from the outside of the electronic device 100.

It is to be understood that in the following embodiments of the present application, the collapsed position, the extended position, and the like refer to the relative position between the first housing 12 and the second housing 14. For simplicity, the similar expressions "the first housing 12 is in the folded position" or "in the folded position" refer to the first housing 12 being in the folded position relative to the second housing 14, and the similar expressions "the first housing 12 is in the unfolded position" or "in the unfolded position" refer to the first housing 12 being in the unfolded position relative to the second housing 14.

As shown in connection with fig. 2 and 4, the flexible screen 20 may include a fixed end 202 and a free end 204 disposed opposite each other, the fixed end 202 being disposed in the second housing 14 and being fixed relative to the position of the second housing 14, the free end 204 being movably disposed within the housing assembly 10. Specifically, as shown in fig. 2, when the first housing 12 is in the folded position, the free end 204 of the flexible screen 20 is received in the case assembly 10, such that a portion of the structure of the flexible screen 20 is hidden from the case assembly 10, and a portion of the flexible screen 20 hidden in the case assembly 10 may not be used for display. As shown in fig. 4, the structure of the portion of flexible screen 20 proximate free end 204 gradually expands from housing assembly 10 as first housing 12 moves toward the expanded position relative to second housing 14. In other embodiments, the fixed end 202 is disposed on the first housing 12 and is fixed relative to the position of the first housing 12, and the free end 204 moves within the housing assembly 10 as the first housing 12 moves relative to the second housing 14 and allows a portion of the structure of the flexible screen 20 to be deployed or stowed within the housing assembly 10.

It will be appreciated that in embodiments of the application, the relative positions of the two objects are fixed, i.e. the two objects are not normally capable of relative movement, and that the two objects which are fixed in position may be physically directly connected, or may be indirectly connected through an intermediate structure. Taking the fixing end 202 and the second housing 14 as examples, the positions of the fixing end 202 and the second housing 14 are relatively fixed, which may be that the fixing end 202 is in direct contact with the second housing 14, for example, a threaded fastener or a clamping manner is adopted to directly fix the fixing end 202 and the second housing 14, or that the fixing end 202 is indirectly fixed with the second housing 14 through an adhesive layer, an intermediate connecting plate and other structures.

The second housing 14 may also include a rear cover 141, the rear cover 141 covering the free end 204 of the flexible screen 20 in the stowed position.

Further, the rear cover 141 may be provided with a light-transmitting area, and a portion of the flexible screen 20 accommodated in the housing assembly 10 may also be used for displaying when in the folded position, so that a user can view information displayed by the flexible screen 20 from the light-transmitting area, and further expand the use scenario of the electronic device 100. For example, in this embodiment, the electronic device 100 can implement functions such as self-timer, video call, and the like by using the rear camera module 70 without providing a front camera. The light-transmitting region may be made of transparent glass or may be formed by an opening of the rear cover 141.

With continued reference to fig. 2 and 4, the electronic device 100 is provided with a traction member 60, where the traction member 60 is disposed at an end of the second housing 14 away from the first housing 12, and the traction member 60 can draw the flexible screen 20 to deform during the process of switching the first housing 12 from the folded position to the unfolded position relative to the second housing 14, so that a portion of the flexible screen 20 unfolded from the second housing 14 is flat. When the first housing 12 is in the folded position, the free end 204 of the flexible screen 20 bypasses the traction member 60, and the traction member 60 can limit the bending radius of the flexible screen 20 within a proper range so as to avoid damage to the flexible screen 20 caused by too small bending radius. Of course, the traction member 60 can also avoid the excessive thickness of the electronic device 100 caused by the excessive bending radius of the flexible screen 20.

In some embodiments, the traction element 60 may be a rotating shaft structure with teeth, and the flexible screen 20 is coupled to the traction element 60 by engagement or the like. When the first housing 12 slides relative to the second housing 14, the traction member 60 moves the portion of the flexible screen 20 engaged with the traction member 60 and is extended from the housing assembly 10 or retracted into the housing assembly 10.

In other embodiments, the traction members 60 are circular shafts without teeth. During the switching of the first housing 12 from the folded position to the unfolded position, the portion of the flexible screen 20 attached to the traction member 60 is spread by the traction member 60 so that more of the flexible screen 20 is exposed to the outside of the housing assembly 10 and kept flat. In this embodiment, the traction member 60 may be rotatably disposed on the second housing 14, and the traction member 60 may rotate along with the movement of the flexible screen 20 during the gradual deployment of the flexible screen 20, so as to reduce the resistance of the flexible screen 20 during the deployment process and reduce the abrasion of the contact portion between the traction member 60 and the flexible screen 20.

In some embodiments, traction members 60 may also be secured to first housing 12, traction members 60 having a smooth surface. The traction member 60 is slidably contacted with the flexible screen 20 through a smooth surface thereof during the process of expanding the flexible screen 20. In other words, in such embodiments, the traction member 60 may be integrally formed with the first housing 12 or welded, and the traction member 60 may be considered as a portion of the first housing 12, with the free end 204 of the flexible screen 20 bypassing the end of the first housing 12 remote from the second housing 14 and extending into the housing assembly 10.

As shown in fig. 4-6, in some embodiments, the housing assembly 10 includes a third housing 16, where the third housing 16 may be integrally formed with the second housing 14, or may be connected to the second housing 14 by glue or screws. In other embodiments, both the first housing 12 and the second housing 14 are slidably coupled to the third housing 16 such that the third housing 16 may be utilized to provide stable support for sliding movement between the first housing 12 and the second housing 14.

At least a portion of the structure of the back surface 161 of the third housing 16 (the surface facing away from the interior of the electronic device 100) is exposed from between the first housing 12 and the second housing 14 when the first housing 12 is in the extended position, i.e., the exposed surfaces of the third housing 16 from the first housing 12 and the second housing 14 constitute a part of the exterior surface of the housing assembly 10. With the shielding effect of the third housing 16, the exposure of the internal structure of the electronic device 100 is avoided, thereby maintaining the overall aesthetic appearance of the electronic device 100 when unfolded for use. It is understood that when the second housing 14 is in the folded position, the third housing 16 is hidden from the first housing 12 and the second housing 14, and at this time, the first housing 12 and the second housing 14 form the exterior surface of the electronic device 100.

In some embodiments, the controller 50 is connected to the wireless charging device 200 through wireless communication, and when the detection component 30 detects that the charging coil 200b is aligned with the receiving coil 101, the controller 50 controls the electromagnetic coupling between the charging coil 200b and the receiving coil 101, so that the wireless charging device 200 charges the electronic device 100.

The charging coil 200b is aligned with the receiving coil 101 in the embodiment of the present application, that is, when the two coils are relatively moved to a position where the charging requirement can be satisfied. For example, the facing area of the charging coil 200b and the receiving coil 101 exceeds half the area of the receiving coil 101.

In the embodiment of the present application, there are various embodiments of a structure for detecting the relative position of the charging coil 200b and the receiving coil 101.

As shown in fig. 6 to 8, the detection assembly 30 includes a magnetic sensor 30a, and a magnet 200c is provided in the wireless charging device 200 to generate a corresponding magnetic field. The magnet 200c and the charging coil 200a are positioned in a fixed position in the wireless charging device 200, and it is understood that the magnetic field strength is large at a position close to the magnet 200c, and the magnetic field is smaller as the distance from the magnet 200c is longer. Thus, the relative position of receiving coil 101 and charging coil 200b0 can be determined by detecting magnet 200c in wireless charging device 200 with magnetic sensor 30 a. When the electronic device 100 is placed in the wireless charging device 200 and the voltage value output by the magnetic sensor 30a in the magnetic field of the magnet 200c falls within the preset range, the receiving coil 101 is aligned with the charging coil 200 b.

The magnetic sensor 30a is a device that converts a change in magnetic properties of a sensor element caused by external factors such as a magnetic field, a current, stress strain, temperature, light, etc., into an electrical signal, and detects a corresponding physical quantity in this manner. In the embodiment of the present application, the magnetic sensor 30a outputs a corresponding voltage value in the magnetic field of the magnet 200c, and when the magnetic sensor 30a is located at a different position with respect to the magnet 200c, the magnetic sensor 30a outputs a different voltage value due to the change in the magnetic field intensity of the magnet 200c, so that the relative positions of the receiving coil 101 and the charging coil 200b can be known from the map of the voltage value corresponding to the relative positions of the receiving coil 101 and the charging coil 200 b. The magnetic sensor 30a may be a linear hall element, the salient characteristics of which are: when the measured magnetic induction intensity in a certain range continuously and linearly changes, the linear Hall element can output a continuously and linearly voltage value. As shown in fig. 6, when the electronic device 100 is placed on the wireless charging device 200, the linear hall element and the magnet 200c move in a direction parallel to the movement direction of the first housing 12 and the second housing 14 during the relative movement of the first housing 12 and the second housing 14, and at this time, the linear hall element gradually approaches the corresponding magnet 200c and gradually moves away therefrom, and in this process, the output value is negative when the characteristic of the linear hall element itself (for example, the magnet 200c is on the left side of the center of the linear hall element, and the output value is positive when the magnet 200c is on the right side of the center of the linear hall element), it may be considered that the magnetic induction intensity (including the magnitude and direction) between the linear hall element and the magnet 200c gradually increases (or gradually decreases) linearly, and the output value of the linear hall element is embodied as a continuous straight line in a rectangular coordinate system, that is, the linear hall element may output a continuous linear voltage. Because of the one-to-one correspondence between the voltage and the magnetic induction intensity, the relative position of the magnet 200c and the linear hall element can be derived from the voltage value output by the linear hall element, and the relative positions of the receiving coil 101 and the charging coil 200b can be determined.

The number of magnets 200c in wireless charging device 200 may be the same as or different from the number of magnetic sensors 30a of detection unit 30.

For example, as shown in fig. 7, the detecting assembly 30 includes 4 magnetic sensors 30a, the wireless charging device 200 is correspondingly provided with 4 magnets 200c, and when the 4 magnetic sensors 30a and the 4 magnets 200c are in one-to-one correspondence, the voltage values output by the 4 magnetic sensors fall into a preset range, so as to determine that the receiving coil 101 is aligned with the charging coil 200b, so as to adapt to the requirement of the wireless charging device 200 for wirelessly charging the electronic device 100.

As another example, as shown in fig. 8, the detecting unit 30 includes 4 magnetic sensors 30a, the wireless charging device 200 is provided with 2 magnets 200c, and the 4 magnetic sensors 30a in the detecting unit 30 are divided into two groups to detect the positions of the 2 magnets 200c of the wireless charging device 200, respectively, to thereby determine the relative positions of the receiving coil 101 and the charging coil 200 b. The number and type of the magnetic sensors 30a of the detecting unit 30 are not limited herein. When the wireless charging device 200 includes 2 or more magnets 200c, the polarities of the magnets 200c may be the same or different. When the electronic device 100 is mounted on the wireless charging device 200, the magnet 200c may be oriented N-pole to the electronic device 100 or S-pole to the electronic device 100. The magnets 200c may be alternately arranged in N-S-N-S, divided in polarity toward the electronic device 100. Of course, in some embodiments, the polarity of the magnets 200c may be oriented parallel to the back of the electronic device 100.

The number and arrangement of the magnets 200c in the wireless charging device 200 are not limited herein. As long as the magnetic sensor 30a in the detection assembly 30 can determine the relative position of the receiving coil 101 and the charging coil 200b by detecting the magnet 200 c. In this manner, it is determined whether the receiving coil 101 is aligned with the charging coil 200b, and when the receiving coil 101 is misaligned with the charging coil 200b, the controller 50 controls the driving mechanism 40 to drive the first housing 12 and the second housing 14 to move relatively so that the receiving coil 101 and the charging coil 200b are aligned.

Further, the detecting assembly 30 includes a circuit board on which at least 3 magnetic sensors 30a are disposed at equal intervals in a direction of the relative movement of the first housing 12 and the second housing 14, thereby improving position detection accuracy and increasing a detection range using the plurality of magnetic sensors 30 a.

In some embodiments, the center of the receiving coil 101 is projected on the circuit board on the midpoint of the connecting line segment between the outermost two magnetic sensors 30 a. By means of the structure, the position of the receiving coil 101 relative to the detecting assembly 30 is easy to determine, and the setting positions of the magnet 200c and the charging coil 200b in the wireless charging device 200 are also easy to determine, so that after the position of the magnet 200c is obtained by the detecting assembly 30, the relative positions of the receiving coil 101 and the charging coil 200b can be obtained conveniently, and the effect of reducing the calculation complexity is achieved.

In some embodiments, the detection assembly 30 includes an infrared sensor that includes a transmitting end and a receiving end. When the electronic device 100 is placed on the wireless charging device 200 and the light emitted from the transmitting end can be reflected to the receiving end, the receiving coil 101 is aligned with the charging coil 200 b. In this embodiment, a detection area is disposed at a position of the wireless charging device 200 corresponding to the charging coil 200b, when the detection area is opposite to the infrared sensor, the light emitted from the emitting end can be emitted to the receiving end through the detection area, so that the position of the first housing 12 relative to the detection area can be determined, and the relative position of the first housing receiving coil 101 and the charging coil 200b can be obtained according to the position of the detection assembly 30 detected by the receiving coil 101 and the detection assembly 30 relative to the detection area due to the relatively fixed setting position of the receiving coil 101 and the detection assembly 30 in the first housing 12.

In some embodiments, the detection assembly 30 includes a capacitive sensor, and when the electronic device 100 is placed on the wireless charging device 200 and a predetermined change is generated in the capacitance value measured by the capacitive sensor, the receiving coil 101 is aligned with the charging coil 200 b.

In the above embodiment, whether the magnetic sensor 30a is adopted or the infrared sensor or the capacitance sensor is adopted, whether the receiving coil 101 is aligned with the charging coil 200b or not can be known by detecting the relevant parameters when the electronic device 100 is placed in the wireless charging apparatus 200.

It should be noted that, the wireless charging device 200 may be a vehicle-mounted charging stand, and at this time, the wireless charging device 200 may not only be used as a mobile phone stand, so as to meet the requirement of supporting the electronic device 100, and the electronic device 100 may remain stable during the running process of the vehicle. Meanwhile, the wireless charging device 200 is utilized to satisfy the need for charging the electronic apparatus 100. In some embodiments, the wireless charging device 200 is disposed obliquely, so that when the electronic apparatus 100 is placed on the wireless charging device 200, the display interface 20a of the electronic apparatus 100 can face towards the driver, so as to facilitate the observation of the interface such as positioning navigation or instant messaging displayed on the electronic apparatus 100.

Based on the above-mentioned electronic device 100, another embodiment of the present application provides a wireless charging alignment method for charging alignment between the electronic device 100 and the wireless charging device 200, wherein the wireless charging alignment method utilizes the telescopic motion control of the electronic device 100 to improve the charging alignment convenience of the electronic device 100 and the wireless charging device 200.

Specifically, as shown in fig. 9, the wireless charging alignment method includes the following steps:

in step S102, it is detected whether the electronic device 100 is placed on the wireless charging device 200.

In step S104, when the electronic device 100 is placed in the wireless charging device 200, the relative positions of the receiving coil 101 and the charging coil 200b are detected.

Illustratively, in embodiments in which the detection assembly 30 is disposed within the first housing 12, the detection assembly 30 is activated when the electronic device 100 is placed in the wireless charging apparatus 200, and the detection assembly 30 detects the relative position of the receiving coil 101 and the charging coil 200 b.

As shown in fig. 6 and 10, taking an example in which the detection unit 30 includes the magnetic sensor 30a, a magnet 200c is correspondingly disposed in the wireless charging device 200. In step S104, the step of detecting the relative positions of the receiving coil 101 and the charging coil 200b includes:

in step S1041, an electric signal generated by the magnetic sensor 30a in the magnetic field of the magnet 200c is acquired.

Since the magnetic field intensity is large at a position close to the magnet 200c, the magnetic field is smaller at a position further from the magnet 200c, and the magnetic sensor 30a detects the magnet 200c in the wireless charging device 200, the relative position of the receiving coil 101 and the charging coil 200b can be determined. The magnetic sensor 30a is a device for detecting a corresponding physical quantity in such a manner that a change in magnetic properties of a sensor element caused by external factors such as a magnetic field, a current, stress strain, temperature, light, etc. is converted into an electric signal.

In step S1042, the relative positions of the receiving coil 101 and the charging coil 200a are obtained according to the electric signals.

In the embodiment of the present application, the magnetic sensor 30a outputs a corresponding voltage value in the magnetic field of the magnet 200c, and when the magnetic sensor 30a is located at a different position with respect to the magnet 200c, the magnetic sensor 30a outputs a different voltage value due to the change in the magnetic field intensity of the magnet 200c, so that the relative positions of the receiving coil 101 and the charging coil 200b can be known from the map of the voltage value corresponding to the relative positions of the receiving coil 101 and the charging coil 200 b.

Taking the magnetic sensor 30a as an example of a linear hall element, the remarkable characteristics of the linear hall element are: when the measured magnetic induction intensity in a certain range continuously and linearly changes, the linear Hall element can output a continuously and linearly voltage value. As shown in fig. 6, when the electronic device 100 is placed on the wireless charging device 200, during the relative movement of the first housing 12 and the second housing 14 of the electronic device 100, the linear hall element and the magnet 200c move in a direction parallel to the movement direction of the first housing 12 and the second housing 14, at this time, the linear hall element gradually approaches and gradually moves away from the corresponding magnet 200c, and in this process, in combination with the characteristics of the linear hall element itself (for example, when the magnet 200c is on the left side of the center of the linear hall element, the output value is negative, and when the magnet 200c is on the right side of the center of the linear hall element, the output value of the linear hall element is positive), it can be considered that the magnetic induction intensity (including the magnitude and direction) between the linear hall element and the magnet 200c increases gradually (or gradually decreases gradually in a linear manner), and the output value of the linear hall element is embodied as a continuous straight line in a rectangular coordinate system, that is, the linear hall element can output continuous linear voltage. Because of the one-to-one correspondence between the voltage and the magnetic induction intensity, the relative position of the magnet 200c and the linear hall element can be derived from the voltage value output by the linear hall element, and the relative positions of the receiving coil 101 and the charging coil 200b can be determined.

Step S106, controlling the driving mechanism 40 to drive the first housing 12 and the second housing 14 to move relatively according to the relative position, so that the receiving coil 101 is aligned with the charging coil 200 b.

After receiving coil 101 is aligned with charging coil 200b, electromagnetic energy transfer can be achieved by electromagnetic coupling between the receiving coil 101 and the charging coil 200b, so that wireless charging device 200 charges electronic device 100.

In an embodiment in which the detection assembly 30 includes the magnetic sensor 30a and the magnet 200c is provided in the wireless charging device 200, step S106 includes:

the relative movement of the first housing 12 and the second housing 14 is controlled such that the magnetic sensor 30a outputs a voltage in the magnetic field of the magnet 200 c.

When the voltage value output by the magnetic sensor 30a falls within the preset range, the receiving coil 101 is aligned with the charging coil 200a, and the driving mechanism 40 is controlled to stop driving the first casing 12 and the second casing 14 to move relatively.

In this embodiment, by determining the voltage value output from the magnetic sensor 30a during the relative movement of the first housing 12 and the second housing 14, the receiving coil 101 is aligned with the charging coil 200a when the voltage value output from the magnetic sensor 30a falls within a preset range. At this time, the driving mechanism 40 is controlled to stop driving the first housing 12 and the second housing 14 to move relatively, so that the receiving coil 101 and the charging coil 200b are kept aligned to ensure charging stability.

In some embodiments, as shown in connection with fig. 11, in step S102, the step of detecting whether the electronic device 100 is placed in the wireless charging apparatus 200 includes:

in step S1021, the wireless charging device 200 sends out an identification signal at a predetermined frequency.

In step S1022, the electronic device 100 receives the identification signal, and determines that the electronic device 100 is placed in the wireless charging device 200 when the preset condition is met.

Specifically, the electronic device 100 further includes a pairing module, and the pairing module is electrically connected to the controller 50. The pairing module is used for pairing with the wireless charging device 200 to detect whether the electronic device 100 is placed on the wireless charging device 200. In this embodiment, when the electronic device 100 is placed on the wireless charging apparatus 200, the pairing module may pair with the wireless charging apparatus 200 to determine that the electronic device 100 is placed on the wireless charging apparatus 200, thereby determining that the electronic device 100 is in a charging ready state relative to the wireless charging apparatus 200. Thus, when the electronic device 100 needs to be charged, the user only needs to place the electronic device 100 on the wireless charging device 200, and the operation is convenient.

Further, the pairing module includes an NFC antenna for detecting an NFC tag of the wireless charging device 200. The NFC tag detection function of the NFC antenna may determine whether the electronic device 100 is approaching or moving away from the wireless charging device 200, so as to determine whether the electronic device 100 is in a charging ready state relative to the wireless charging device 200.

As shown in fig. 12, before step S102, that is, before the step of detecting whether the electronic device 100 is placed in the wireless charging device 200, the steps further include:

step S202, receiving the control operation information, and controlling the driving mechanism 40 to drive the first housing 12 and the second housing 14 of the electronic device 100 to move to the retracted position according to the control operation information.

In the embodiment where the electronic device 100 includes the flexible screen 20, the first operation control information is a control instruction related to controlling the folding operation of the flexible screen 20. For example, the first control operation information may be input to the electronic device 100 by a user clicking, sliding, dragging, or the like on the operation interface of the flexible screen 20, or may be input by operating a key of the electronic device 100. In some application scenarios, when a user performs a sliding operation on the flexible screen 20 by using two fingers in directions approaching each other, the driving mechanism 40 will drive the first housing 12 to move toward the folded position relative to the second housing 14, so as to fold the flexible screen 20. In embodiments where the electronic device 100 does not include the flexible screen 20, the first operational control information may be control instructions related to movement of the first housing 12 relative to the second housing 14 toward the stowed position.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. A wireless charging alignment method, comprising:

detecting whether an electronic device is placed in the wireless charging device or not, wherein the electronic device comprises a first shell, a second shell and a driving mechanism for driving the first shell and the second shell to move relatively, a receiving coil is arranged in the first shell, and the wireless charging device comprises a charging coil;

When the electronic equipment is placed in the wireless charging device, detecting the relative position of the receiving coil and the charging coil;

controlling the drive mechanism to drive the first housing and the second housing to move relatively according to the relative position so that the receiving coil is aligned with the charging coil.

2. The wireless charging alignment method according to claim 1, further comprising, before the step of detecting whether the electronic device is placed in the wireless charging apparatus, the step of:

and receiving control operation information, and controlling the driving mechanism to drive the first shell and the second shell of the electronic equipment to move to the folding position relatively according to the control operation information.

3. The wireless charging alignment method according to claim 1 or 2, wherein the step of detecting whether the electronic device is placed in a wireless charging apparatus comprises:

the wireless charging device sends out an identification signal at a preset frequency;

and the electronic equipment receives the identification signal, and when a preset condition is met, the electronic equipment is determined to be placed in the wireless charging device.

4. The wireless charging alignment method according to claim 3, wherein the wireless charging device is provided with an NFC tag, the electronic device is provided with an NFC antenna, and the NFC antenna is configured to detect the NFC tag to determine whether the electronic device is placed on the wireless charging device.

5. The wireless charging alignment method according to claim 3, wherein a magnetic sensor is disposed in the first housing, and a magnet is disposed in the wireless charging device;

the step of detecting the relative position of the receiving coil and the charging coil includes:

acquiring an electric signal generated by the magnetic sensor in the magnetic field of the magnet;

and obtaining the relative positions of the receiving coil and the charging coil according to the electric signals.

6. The wireless charging alignment method of claim 5, wherein the step of controlling the drive mechanism to drive the first housing and the second housing relative to each other based on the relative position such that the receiving coil is aligned with the charging coil comprises:

controlling the relative movement of the first shell and the second shell so that the magnetic sensor outputs voltage in the magnetic field of the magnet;

when the voltage value output by the magnetic sensor falls into a preset range, the receiving coil is aligned with the charging coil, and the driving mechanism is controlled to stop driving the first shell and the second shell to move relatively.

7. An electronic device, comprising:

The shell assembly comprises a first shell and a second shell which are movably connected, and a receiving coil is arranged in the first shell;

the detection component is arranged in the first shell, is fixed relative to the position of the receiving coil, and is used for detecting the relative position of the receiving coil and the charging coil of the wireless charging device when the electronic equipment is placed in the wireless charging device;

the driving mechanism is arranged in a space enclosed by the first shell and the second shell and is used for driving the first shell and the second shell to move relatively; and

The controller is arranged in the first shell or the second shell, the detection assembly and the driving mechanism are electrically connected with the controller, and the controller is used for controlling the driving mechanism to drive the first shell and the second shell to move relatively according to the relative position detected by the detection assembly so as to align the receiving coil with the charging coil.

8. The electronic device of claim 7, wherein the controller is further configured to determine whether the receiving coil and the charging coil are aligned based on the detection of the relative position of the receiving coil with respect to the charging coil by the detection assembly, the controller controlling the drive mechanism to cease driving the first housing and the second housing relative to each other when the receiving coil is aligned with the charging coil.

9. The electronic device of claim 7 or 8, wherein the detection assembly comprises a magnetic sensor, the wireless charging device is provided with a magnet, the magnet is fixed relative to the charging coil, and the receiving coil is aligned with the charging coil when the electronic device is placed on the wireless charging device and a voltage value output by the magnetic sensor in a magnetic field of the magnet falls within a preset range.

10. The electronic device of claim 9, wherein the magnetic sensor is a linear hall element, the detection assembly includes a circuit board and at least 3 of the linear hall elements, the at least 3 linear hall elements are disposed on the circuit board at equal intervals along a direction of relative movement of the first housing and the second housing.