CN117977823A - Auxiliary equipment, control method thereof and electronic equipment - Google Patents

Abstract

The application discloses auxiliary equipment, a control method thereof and electronic equipment. In addition, a functional device having a path with the wireless receiving coil is provided in the middle of the wireless receiving coil.

Description

Auxiliary equipment, control method thereof and electronic equipment

Technical Field

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

Background

At present, many electronic devices are provided with matched auxiliary devices so as to facilitate interaction between a user and the electronic devices, facilitate use of the electronic devices by the user and improve the comfort and convenience of interaction between the user and the electronic devices. Taking a mobile phone as an example, the mobile phone can be used for a user to interact with the mobile phone by arranging a matched electronic pen.

Since the auxiliary device is generally a companion device to the host device, it has a small portable feature to facilitate user interaction with the host device by manipulating the auxiliary device.

As described above, in order to facilitate the interaction between the auxiliary device and the main device, the auxiliary device has a small volume, and has a limited internal space, which is inconvenient for the layout of the electronic components inside the auxiliary device, and which is inconvenient for integrating more functional electronic components inside the auxiliary device.

Disclosure of Invention

In view of the above, the application provides an auxiliary device, a control method thereof and an electronic device, wherein the scheme is as follows:

The first aspect of the present application provides an auxiliary device comprising:

a body having an accommodation space;

the wireless receiving coil is arranged in the accommodating space and is used for receiving a wireless power supply signal and converting the wireless power supply signal into electric energy;

the functional device is arranged in the middle of the wireless receiving coil and has a passage with the wireless receiving coil.

Optionally, in the auxiliary device, the wireless receiving coil is spirally arranged along a length direction of the auxiliary device to form a columnar space, and the functional device is arranged in the columnar space.

Optionally, in the auxiliary device, the wireless receiving coil includes:

The columnar magnetic conduction piece is provided with an accommodating space; the columnar magnetic conduction piece is arranged in the accommodating space along the length direction of the auxiliary equipment, and the wireless receiving coil is spirally wound on the outer side wall of the columnar magnetic conduction piece;

The functional device is arranged in the accommodating space.

Optionally, in the auxiliary device, the wireless receiving coil includes:

a first receiving coil and a second receiving coil;

the first receiving coil and the second receiving coil are oppositely arranged and positioned on different planes;

the functional device is arranged between the plane where the first receiving coil is located and the plane where the second receiving coil is located.

Optionally, in the auxiliary device, the first receiving coil and the second receiving coil are electrically connected.

Optionally, in the auxiliary device, the method further includes:

a detection component and a switching component;

the detection component is used for detecting the coupling condition of the wireless transmitting coil and the first receiving coil and the second receiving coil respectively and generating detection signals;

the switching component is used for controlling the functional device to form a passage with the first receiving coil or the second receiving coil based on the detection signal.

Optionally, in the auxiliary device, the detecting component includes:

The first detection component is positioned on the same plane with the first receiving coil and is used for detecting the coupling condition of the first receiving coil and the wireless transmitting coil and generating a detection signal representing the coupling condition of the first receiving coil and the wireless transmitting coil;

And the second detection assembly is positioned on the same plane with the second receiving coil and is used for detecting the coupling condition of the second receiving coil and the wireless transmitting coil and generating a detection signal representing the coupling condition of the second receiving coil and the wireless transmitting coil.

The second aspect of the present application also provides a control method applied to an auxiliary device, the control method comprising:

Obtaining a detection signal;

If the detection signal characterizes the coupling of the first receiving coil and the wireless transmitting coil, the control function device and the first receiving coil form a passage;

If the detection signal characterizes the coupling of the second receiving coil and the wireless transmitting coil, the control function device and the second receiving coil form a passage;

The first receiving coil and the second receiving coil are oppositely arranged in the accommodating space of the auxiliary equipment and are positioned on different planes; the functional device is arranged between the plane where the first receiving coil is located and the plane where the second receiving coil is located.

Optionally, in the above control method, obtaining the detection signal includes:

the control function device periodically forms a passage with the first receiving coil and the second receiving coil respectively;

generating a detection signal representing the coupling of the first receiving coil and the wireless transmitting coil if the first receiving coil receives the wireless power supply signal transmitted by the wireless transmitting coil;

If the second receiving coil receives the wireless power signal transmitted by the wireless transmitting coil, a detection signal is generated that characterizes the coupling of the second receiving coil to the wireless transmitting coil.

Optionally, in the above control method, obtaining the detection signal includes:

monitoring detection signals generated by the first detection component and the second detection component;

if the detection signal generated by the first detection component is monitored, the detection signal represents the detection signal of the coupling of the first receiving coil and the wireless transmitting coil;

if the detection signal generated by the second detection component is monitored, the detection signal represents the detection signal of the coupling of the second receiving coil and the wireless transmitting coil;

The first detection assembly and the first receiving coil are located on the same plane, and the second detection assembly and the second receiving coil are located on the same plane.

The third aspect of the present application also provides an electronic device, including:

A main device and an auxiliary device;

the master device includes: a receiving chamber for detachably placing the auxiliary device; the accommodating cavity is provided with a first cavity wall provided with a wireless transmitting coil;

The auxiliary device includes: the body is provided with a first outer side wall, a second outer side wall and an accommodating space which are oppositely arranged; the wireless power supply module comprises a wireless receiving coil and a wireless power supply module, wherein the wireless receiving coil is arranged in the accommodating space and is used for receiving a wireless power supply signal transmitted by the wireless transmitting coil through the wireless receiving coil and converting the wireless power supply signal into electric energy; the functional device is arranged in the middle of the wireless receiving coil, is electrically connected with the wireless power supply module and is used for realizing the function of auxiliary equipment;

Wherein the wireless receiving coil is coupleable with the wireless transmitting coil if the first outer sidewall is opposite the first cavity wall after the auxiliary device is placed in the receiving cavity; the wireless receiving coil is coupled with the wireless transmitting coil if the auxiliary device is placed in the receiving cavity with the second outer side wall opposite the first cavity wall.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the related art, the drawings required for the description of the embodiments or the prior art will be briefly described below, and it is apparent that the drawings in the following description are only embodiments of the present application, and other drawings may be obtained according to the provided drawings without inventive effort to those skilled in the art.

The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and therefore should not be construed as limiting the application, but rather as limiting the scope of the application, so that any structural modifications, proportional changes, or dimensional adjustments should fall within the scope of the application without affecting the efficacy or achievement thereof.

FIG. 1 is a sectional view of an auxiliary device in a length direction according to an embodiment of the present application;

fig. 2 is a schematic diagram of a coupling principle between a wireless receiving coil in an auxiliary device and a wireless transmitting coil in a main device according to an embodiment of the present application;

FIG. 3 is a cross-sectional view of another auxiliary device in a longitudinal direction according to an embodiment of the present application;

FIG. 4 is a cut-away view perpendicular to the length of the auxiliary equipment;

FIG. 5 is a cross-sectional view of still another auxiliary device according to an embodiment of the present application in a longitudinal direction;

FIG. 6 is a cut-away view perpendicular to the length of the auxiliary equipment;

FIG. 7 is a sectional view of an auxiliary device perpendicular to the length direction according to an embodiment of the present application;

Fig. 8 is a schematic diagram of a circuit connection relationship of electronic components in an auxiliary device according to an embodiment of the present application;

FIG. 9 is a schematic diagram of an implementation principle of a detection assembly according to an embodiment of the present application;

FIG. 10 is a schematic flow chart of a control method according to an embodiment of the present application;

FIG. 11 is a flowchart of a method for obtaining a detection signal according to an embodiment of the present application;

FIG. 12 is a flowchart of another method for obtaining a detection signal according to an embodiment of the present application;

fig. 13 is a schematic structural diagram of an electronic device according to an embodiment of the present application;

FIG. 14 is a cut-away view in the direction A-A' of the electronic device of FIG. 13 without the auxiliary device;

FIG. 15 is a sectional view of an auxiliary device perpendicular to its length;

fig. 16 is a top view of a wireless transmitting coil according to an embodiment of the present application;

Fig. 17 is a top view of a wireless receiving coil adapted to the wireless transmitting coil shown in fig. 16 in an expanded state;

Fig. 18 is a front view of the wireless receiving coil shown in fig. 17 perpendicular to the longitudinal direction of the auxiliary device when inside the auxiliary device.

Detailed Description

Embodiments of the present application will now be described more fully hereinafter with reference to the accompanying drawings, in which it is shown, however, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1, fig. 1 is a sectional view of an auxiliary device in a length direction according to an embodiment of the present application, where the auxiliary device includes:

a body 11, the body 11 having an accommodation space 110;

The wireless receiving coil 12 is arranged in the accommodating space 110 and is used for receiving a wireless power supply signal and converting the wireless power supply signal into electric energy;

and a functional device 13, wherein the functional device 13 is arranged in the middle of the wireless receiving coil 12 and has a passage with the wireless receiving coil 12.

In the auxiliary equipment provided by the embodiment of the application, the body 11 is provided with the accommodating space 110, the wireless receiving coil 12 is arranged in the accommodating space 110, and the wireless receiving coil 12 can receive a wireless power supply signal and convert the wireless power supply signal into electric energy so as to realize wireless charging of the auxiliary equipment.

In addition, the functional device 13 having a channel with the wireless receiving coil is further arranged in the middle of the wireless receiving coil 12 in the auxiliary equipment, so that the functional device 13 with different space layout in the wireless receiving coil 12 and the wireless receiving coil 12 can be utilized, the utilization rate of the space in the main body 11 of the auxiliary equipment is improved, the layout of electronic elements in the auxiliary equipment is facilitated, the layout space of the electronic elements in the auxiliary equipment can be saved, the function expansion of the auxiliary electronic equipment is facilitated, and more functional electronic elements can be integrated in the auxiliary equipment.

The body 11 of the auxiliary device is a cylindrical structure with a tip. The auxiliary equipment can be an electronic pen matched with the main equipment, and the main equipment can be a mobile phone, a tablet personal computer, a notebook computer and the like. It should be noted that, the auxiliary device in the embodiment of the present application is not limited to the above implementation manner, but may be an electronic pen used in teaching or indoor conference, etc., and the embodiment of the present application does not limit the specific implementation manner of the auxiliary device.

It should be noted that, in the embodiment of the present application, the auxiliary device 100 includes, but is not limited to, an electronic pen, and may also be other portable terminal devices, such as a bluetooth headset, a remote controller, and the like. The following embodiment of the present application will be described taking the auxiliary device 100 as an electronic pen as an example.

In the main equipment matched with the auxiliary equipment, a containing cavity for placing the auxiliary equipment can be arranged, the containing cavity can not only contain the auxiliary equipment when the auxiliary equipment is not used, but also can carry out wireless charging for the auxiliary equipment based on the containing cavity. The relative position of the wireless transmitting coil and the receiving chamber for providing the wireless power signal to the wireless receiving coil 12 in the auxiliary device is fixed for a given main device. In the auxiliary equipment with related structure, the wireless receiving coil 12 is correspondingly arranged only in the area close to one set side wall of the body 11, the auxiliary equipment with the structure needs to be inserted into the accommodating cavity in a fixed relative position, so that the wireless receiving coil 12 in the auxiliary equipment can be oppositely arranged with the wireless transmitting coil in the main equipment in the accommodating cavity of the main equipment, and the wireless transmitting coil can be effectively coupled with the wireless receiving coil 12, thereby realizing wireless charging of the auxiliary equipment.

In one implementation manner of the embodiment of the present application, as shown in fig. 1, the wireless receiving coil 12 may be disposed to form a columnar space along the length direction (transverse direction in fig. 1) of the auxiliary device, and the functional device 13 is disposed in the columnar space. In this embodiment, the wireless receiving coil 12 is a hollow columnar coil. The auxiliary device is based on the wireless receiving coil 12 with the columnar coil structure, and can be not limited to the placement position of the auxiliary device in the accommodating cavity of the main device, and when the auxiliary device is placed in the accommodating cavity, the wireless receiving coil 12 can be effectively coupled with the wireless transmitting coil in different placement modes.

Referring to fig. 2, fig. 2 is a schematic diagram of a coupling principle between a wireless receiving coil in an auxiliary device and a wireless transmitting coil in a main device according to an embodiment of the present application, fig. 2 is a section view perpendicular to a length direction of the auxiliary device when the auxiliary device is placed in a receiving cavity of the main device, and fig. 2 is a section view perpendicular to the length direction of the auxiliary device. It should be noted that, when the wireless receiving coil 12 has a cylindrical coil structure, the wireless receiving coil 12 may be a circular coil (the wireless receiving coil 12 is a circular cylinder coil) as shown in fig. 2, an elliptical coil (the wireless receiving coil 12 is an elliptical cylinder coil) or any polygonal coil (the wireless receiving coil 12 is a polygonal cylinder coil) along the length direction of the auxiliary device, which is not limited in the embodiment of the present application.

As shown in fig. 2, the main device has a wireless transmitting coil 20 therein, and the auxiliary device has a wireless receiving coil 12 therein. The magnetic field of the wireless power supply signal emitted by the wireless discovery coil is illustrated in fig. 2 by the dashed arrow. In this embodiment, for a fixedly placed master device, the magnetic field direction in which the wireless transmit coil 20 transmits a wireless power signal is determined. Taking the rectangular cylinder structure of the body 11 as an example, when any side wall of the body 11 faces the wireless transmitting coil 20, the wireless receiving coil 12 in the body 11 and the wireless transmitting coil 20 can have the same or similar relative positions. Therefore, the embodiment is not limited to the placement position of the auxiliary equipment in the accommodating cavity of the main equipment, and is convenient for users to use.

Referring to fig. 3 and 4, fig. 3 is a cross-sectional view of another auxiliary device in a length direction according to an embodiment of the present application, and fig. 4 is a cross-sectional view perpendicular to the length direction of the auxiliary device. The section in fig. 4 is perpendicular to the length (transverse in fig. 3) of the auxiliary device. When the wireless receiving coil 12 is a columnar coil, as shown in fig. 3, the setting of the wireless receiving coil 12 includes: the columnar magnetic conduction piece 14, wherein the columnar magnetic conduction piece 14 is provided with an accommodating space 140; the columnar magnetic conduction piece 14 is arranged in the accommodating space along the length direction of the auxiliary equipment, and the wireless receiving coil 12 is spirally wound on the outer side wall of the columnar magnetic conduction piece 14; the functional device 13 is disposed in the accommodation space.

In the manner shown in fig. 3 and 4, based on the columnar magnetic conductive member 14, not only can the support structure of the wireless receiving coil 12 with a columnar coil structure be used, but also the magnetic field can be constrained based on the magnetic conductive characteristic thereof, so that the magnetic field is reduced or prevented from entering the accommodating space 140, and the magnetic field is reduced or prevented from affecting the working performance of the functional device 13.

Referring to fig. 5 and 6, fig. 5 is a cross-sectional view of still another auxiliary device provided in an embodiment of the present application in a length direction, and fig. 6 is a cross-sectional view perpendicular to the length direction of the auxiliary device, in which the wireless receiving coil 12 includes: a first receiving coil 121 and a second receiving coil 122; the first receiving coil 121 and the second receiving coil 122 are arranged opposite to each other and positioned on different planes; the functional device 13 is disposed between the plane in which the first receiving coil 121 is located and the plane in which the second receiving coil 122 is located.

With the embodiment shown in fig. 5 and fig. 6, after the auxiliary device is placed in the accommodating cavity of the main device, when the first receiving coil 121 is disposed opposite to the wireless transmitting coil in the main device, the auxiliary device is charged wirelessly based on the coupling between the first receiving coil 121 and the wireless transmitting coil in the main device, or when the second receiving coil 122 is disposed opposite to the wireless transmitting coil in the main device, the auxiliary device is charged wirelessly based on the coupling between the second receiving coil 122 and the wireless transmitting coil in the main device, so that the auxiliary device does not need to be charged in a single placement manner in the accommodating cavity of the main device, and is convenient for users to use.

Referring to fig. 7, fig. 7 is a sectional view of an auxiliary device perpendicular to the length direction according to an embodiment of the present application, and on the basis of the embodiment shown in fig. 6, the auxiliary device shown in fig. 7 is provided with a flat magnetic conductive device 15 between the first receiving coil 121 and the functional device 13, and between the second receiving coil 122 and the functional device 13. The flat magnetic conductive device 15 can restrict the magnetic field based on the magnetic conductive characteristics thereof, and reduce or avoid the influence of the magnetic field in the magnetic field wireless transmitting coil and the magnetic field in the wireless receiving coil 12 on the working performance of the functional device 13.

In one implementation of the embodiment of the present application, when the wireless receiving coil 12 includes the first receiving coil 121 and the second receiving coil 122, the first receiving coil 121 and the second receiving coil 122 may be provided to be electrically connected. In this way, when the auxiliary device is placed in the accommodating cavity of the main device, whether the first receiving coil 121 is disposed opposite to and coupled with the wireless transmitting coil of the main device or the second receiving coil 122 is disposed opposite to and coupled with the wireless transmitting coil of the main device, the auxiliary device can be wirelessly charged based on the electrically connected first receiving coil 121 and second receiving coil 122, so that charging control on the auxiliary device is facilitated.

In another implementation of the embodiment of the present application, when the wireless receiving coil 12 includes a first receiving coil 121 and a second receiving coil 122, the auxiliary device may also be as shown in fig. 8.

Referring to fig. 8, fig. 8 is a schematic diagram showing a circuit connection relationship between electronic components in an auxiliary device according to an embodiment of the present application, where in the embodiment, when the wireless receiving coil 12 includes a first receiving coil 121 and a second receiving coil 122, the auxiliary device further includes: a detection component 16 and a switching component 17; the detection component 16 is configured to detect coupling conditions of the wireless transmitting coil and the first receiving coil and the second receiving coil, and generate detection signals; the switching component 17 is configured to control the functional device 13 to form a path with the first receiving coil 121 or the second receiving coil 122 based on the detection signal.

In an embodiment of the present application, reference may be made to the following description, and the detection component 16 may be a sensor capable of detecting a magnetic field, so that the auxiliary device 100 can determine the coupling condition of the wireless transmitting coil and the first receiving coil and the second receiving coil respectively based on the magnetic field parameter acquired by the detection component 16; in another embodiment, the detection component 16 may also generate detection signals indicative of the coupling state of the two receiving coils with the wireless transmitting coil by periodically forming a path with the first receiving coil 121 and the second receiving coil 122, respectively, by the control function device 13, as described below.

In the manner shown in fig. 8, there is no need for the first receiving coil 121 and the second receiving coil 122 to be electrically connected. The coupling of the wireless transmitting coil to the first receiving coil 121 and the second receiving coil 122 can be recorded in real time by the detecting assembly 16, and the functional device 13 is selected to form a path with the first receiving coil 121 or the second receiving coil 122 based on the detected coupling. Specifically, when it is determined that the first receiving coil 121 is coupled with the wireless transmitting coil, the first receiving coil 121 is arranged to be electrically connected with the functional device 13, so that the wireless transmitting coil wirelessly charges the auxiliary equipment through the first receiving coil 121; when it is determined that the second receiving coil 122 is coupled to the wireless transmitting coil, the second receiving coil 122 is arranged to be electrically connected to the functional device 13 so that the wireless transmitting coil wirelessly charges the auxiliary device through the second receiving coil 122.

Referring to fig. 9, fig. 9 is a schematic diagram illustrating an implementation principle of a detection assembly according to an embodiment of the present application, and in the embodiment shown in fig. 9, the detection assembly 16 includes: a first detecting component 161, located on the same plane as the first receiving coil 121, for detecting the coupling condition of the first receiving coil 121 and the wireless transmitting coil and generating a detection signal representing the coupling condition of the first receiving coil 121 and the wireless transmitting coil; a second detection component 162, located in the same plane as the second receiving coil 122, is configured to detect the coupling condition of the second receiving coil 122 and the wireless transmitting coil and generate a detection signal indicative of the coupling condition of the second receiving coil 122 and the wireless transmitting coil.

In the manner shown in fig. 9, the coupling condition of the first receiving coil 121 and the wireless transmitting coil and the coupling condition of the second receiving coil 122 and the wireless transmitting coil can be detected by the first detecting component 161 and the second detecting component 162 respectively, so as to control a receiving coil currently in a coupling state with the wireless transmitting coil to be electrically connected with the functional device 13, so as to facilitate wireless charging of the auxiliary equipment based on a receiving coil in a coupling state with the wireless transmitting coil.

In one implementation of the embodiment of the present application, the first detecting component 161 and the second detecting component 162 may be sensors capable of detecting a magnetic field, and determine the coupling condition of the receiving coil and the wireless transmitting coil in the same plane based on the acquired magnetic field parameters. The first detection component 161 and the second detection component 162 include, but are not limited to, hall sensors, but may be other sensors capable of detecting magnetic field changes.

In other embodiments, as described in the control method provided in the following examples, the control function device 13 may also periodically form a path with the first receiving coil 121 and the second receiving coil 122, respectively, to generate detection signals indicating the coupling states of the two receiving coils and the wireless transmitting coil.

In addition to the auxiliary device provided in the foregoing embodiment, another embodiment of the present application further provides a control method, where the control method is used in the auxiliary device provided in the foregoing embodiment, and the control method may be as shown in fig. 10.

Referring to fig. 10, fig. 10 is a flowchart of a control method according to an embodiment of the present application, where the control method may be used for an auxiliary device including the embodiment shown in fig. 5 and 6, and the wireless receiving coil 12 includes a first receiving coil 121 and a second receiving coil 122, and the control method includes:

Step S11: a detection signal is obtained.

Step S12: if the detection signal characterizes the first receiving coil 121 coupled with the wireless transmitting coil, the control function 13 forms a path with the first receiving coil 121.

Step S13: if the detection signal characterizes the second receiving coil 122 being coupled to the wireless transmitting coil, the control function 13 forms a path with the second receiving coil 122.

The first receiving coil 121 and the second receiving coil 122 are oppositely arranged in the accommodating space 110 of the auxiliary equipment and are positioned on different planes; the functional device 13 is disposed between the plane in which the first receiving coil 121 is located and the plane in which the second receiving coil 122 is located.

According to the control method provided by the embodiment of the application, the detection signal can be obtained through the detection component. When the detection signal characterizes the first receiving coil being coupled with the wireless transmitting coil, the control function device forms a passage with the first receiving coil to wirelessly charge the auxiliary device through the first receiving coil coupled with the wireless transmitting coil. When the detection signal characterizes the second receiving coil to be coupled with the wireless transmitting coil, the control function device forms a passage with the second receiving coil to wirelessly charge the auxiliary device through the second receiving coil coupled with the wireless transmitting coil.

Referring to fig. 11, fig. 11 is a flowchart of a method for obtaining a detection signal according to an embodiment of the present application, where the method includes:

Step S21: the control function device 13 periodically forms a passage with the first receiving coil 121 and the second receiving coil 122 respectively;

step S22: if the first receiving coil 121 receives the wireless power supply signal transmitted by the wireless transmitting coil, generating a detection signal representing the coupling of the first receiving coil 121 and the wireless transmitting coil;

Step S23: if the second receiving coil 122 receives a wireless power signal transmitted by the wireless transmitting coil, a detection signal is generated that characterizes the coupling of the second receiving coil 122 to the wireless transmitting coil.

In the embodiment shown in fig. 11, the detection components for detecting and characterizing the coupling condition of the first receiving coil 121 and the second receiving coil 122 with the wireless transmitting coil are not required to be separately arranged, and the detection signals can be collected by a switching circuit capable of controlling the functional device 13 to periodically form a path with the first receiving coil 121 and the second receiving coil 122 respectively. And when a detection signal representing the coupling of one of the first receiving coil 121 and the second receiving coil 122 with the wireless transmitting coil is acquired, the switching circuit can also be controlled to maintain the path state of the target receiving coil and the functional device 13 directly based on the detection signal, so that the wireless transmitting coil can perform wireless charging for the auxiliary equipment through the target coil. Wherein one of the first and second receiving coils 121 and 122 coupled with the wireless transmitting coil is a target receiving coil.

In another implementation manner of the embodiment of the present application, for the auxiliary device shown in fig. 9, the method for obtaining the detection signal may also be as shown in fig. 12.

Referring to fig. 12, fig. 12 is a flowchart of another method for obtaining a detection signal according to an embodiment of the present application, where the method includes:

Step S31: listening for detection signals generated by the first detection component 161 and the second detection component 162.

Step S32: if the detection signal generated by the first detection component 161 is monitored, the detection signal characterizes the detection signal of the first receiving coil 121 coupled to the wireless transmitting coil.

Step S33: if the detection signal generated by the second detection component 162 is monitored, the detection signal characterizes the detection signal of the second receiving coil 122 coupled to the wireless transmitting coil.

Wherein the first detecting component 161 and the first receiving coil 121 are located on the same plane, and the second detecting component 162 and the second receiving coil 122 are located on the same plane.

Based on the manner shown in fig. 12, the coupling states of the first receiving coil 121 and the second receiving coil 122 with the wireless transmitting coil can be detected by two detection components, respectively, and the on states of the functional device 13 with the first receiving coil 121 and the second receiving coil 122 are periodically switched.

On the basis of the auxiliary device and the control method provided in the foregoing embodiments, another embodiment of the present application further provides an electronic device, where the electronic device may be as shown in fig. 13.

Referring to fig. 13-15, fig. 13 is a schematic structural diagram of an electronic device according to an embodiment of the present application, fig. 14 is a cross-sectional view in a direction A-A' of the electronic device shown in fig. 13 when the electronic device is not placed with an auxiliary device, and fig. 15 is a cross-sectional view of the auxiliary device perpendicular to its length direction.

As shown in fig. 13 to 15, the electronic device includes:

A main device 200 and an auxiliary device 100;

the master device 200 includes: a housing chamber 21, the housing chamber 21 being adapted to detachably hold the auxiliary device 100; the housing cavity 21 has a first cavity wall provided with a wireless transmitting coil 20;

Auxiliary device 100, auxiliary device 100 comprising: a body 11, the body 11 having a first outer sidewall 111, a second outer sidewall 112, and an accommodation space 110 disposed opposite to each other; the wireless power supply module 18, the wireless power supply module 18 includes a wireless receiving coil 12, which is disposed in the accommodating space 110, the wireless receiving coil 12 is configured to receive a wireless power signal emitted by the wireless transmitting coil 20 through the wireless receiving coil 20, and convert the wireless power signal into electric energy; a functional device 13, wherein the functional device 13 is arranged in the middle of the wireless receiving coil 12 and is electrically connected with the wireless power supply module 18, so as to realize the function of the auxiliary equipment 100;

Wherein the wireless receiving coil 12 can be coupled with the wireless transmitting coil 20 if the first outer sidewall 111 is opposite to the first cavity wall after the auxiliary device 100 is placed in the receiving cavity 21; if the auxiliary device 100 is placed in the receiving chamber 21, the second outer side wall 112 is opposite to the first chamber wall, and the wireless receiving coil 12 is coupled with the wireless transmitting coil 20.

It is easily understood that the shape of the body 11 of the auxiliary device 100 is adapted to the shape of the receiving cavity 21 in order to receive the auxiliary device 100 through the receiving cavity 21 or to take out the auxiliary device 100 from the receiving cavity 21. Specifically, if the accommodating cavity 21 is a cylindrical cavity, the body 11 is of an adapted cylindrical structure, and if the accommodating cavity 21 is a prismatic cavity, the body 11 is of an adapted prismatic structure.

Optionally, the receiving chamber 12 has a second chamber wall disposed opposite the first chamber wall. The second cavity wall is provided with a magnetic structure 22. The magnetic structure 22 is a nanocrystalline material, or amorphous material, or ferrite material. Electromagnetic energy leakage can be reduced based on the magnetic structure 22.

In the auxiliary device 100, the functional device 13 comprises at least part of a circuit board in the auxiliary device and electronic components on said at least part of the circuit board.

Optionally, the body 11 of the auxiliary device 100 has opposite first (e.g., left in fig. 1) and second (e.g., right in fig. 1) ends in the length direction. A wireless receiving coil 12 may be provided near the first end, and a battery 19 may be provided between the wireless receiving coil 12 and the second end, the battery 19 being connected to the functional device. The battery is disposed in the receiving space 110 outside the wireless receiving coil 12 so as to have a larger space to dispose the battery 19 of a larger volume, improving the cruising ability of the auxiliary device 100. In other embodiments, at least part of the battery 19 may be placed in the radio receiving coil 12.

The wireless receiving coil 12 may be provided to include: a first receiving coil 121 disposed inside the auxiliary device 100 opposite to the first outer side wall 111; the second receiving coil disposed within the auxiliary device 100 opposite the second outer side wall 112, or the wireless receiving coil 12 includes a cylindrical coil extending based on the length direction of the auxiliary device. In the electronic device embodiment, the auxiliary device includes the first receiving coil 121 and the second receiving coil 122 disposed opposite to each other, which is illustrated as an example, it is obvious that the implementation of any of the auxiliary devices provided in the above embodiment may be used by the auxiliary device 100, and is not limited to the implementation shown in fig. 15.

In the electronic device provided in the embodiment of the present application, when the first outer side wall 111 is opposite to the first cavity wall, the wireless receiving coil 12 can be coupled to the wireless transmitting coil 20, and when the second outer side wall 112 is opposite to the first cavity wall, the wireless receiving coil 12 can also be coupled to the wireless transmitting coil 20, and the charging placement mode of the auxiliary device 100 in the accommodating cavity 21 is not limited to the scheme that the single fixed outer side wall of the body 11 is opposite to the first cavity wall, so that the use by the user is facilitated.

Referring to fig. 16, fig. 16 is a top view of a wireless transmitting coil according to an embodiment of the present application, where the wireless transmitting coil 20 includes two first transmitting sub-coil structures 201 and second transmitting sub-coil structures 202 that are located on the same plane and connected. Based on the two coplanar transmitting sub-coil structures, the magnetic field coverage area of the wireless power supply signal of the wireless transmitting coil 20 can be increased, and the wireless charging efficiency of the auxiliary device 100 can be improved. In other manners, the wireless transmitting coil 20 may also include a transmitting sub-coil structure, or any of a plurality of coplanar transmitting sub-coil structures, and when the wireless transmitting coil 20 includes a plurality of coplanar transmitting sub-coil structures, the plurality of transmitting sub-coil structures may be arranged in sequence in the length direction of the accommodating cavity 21.

Referring to fig. 17 and 18, fig. 17 is a plan view of a wireless receiving coil adapted to the wireless transmitting coil shown in fig. 16 in an unfolded state, fig. 18 is a front view of the wireless receiving coil shown in fig. 17 perpendicular to the longitudinal direction of the auxiliary device when inside the auxiliary device, and for the wireless receiving coil 12 including the first receiving coil 121 and the second receiving coil 122, the first receiving coil 121 and the second receiving coil 122 are laminated and oppositely disposed in the auxiliary device 100, and fig. 17 illustrates the structure of the wireless receiving coil 12 in an unfolded state with the first receiving coil 121 and the second receiving coil 122 for convenience of illustration.

For the wireless receiving coil 12 adapted to the wireless transmitting coil 20 shown in fig. 16, the first receiving coil 121 and the second receiving coil 122 are disposed in parallel and opposite to each other, and are not coplanar. The first receiving coil 121 and the second receiving coil 122 each have two receiving sub-coil structures 120. The two receiving sub-coil structures 120 in the first receiving coil 121 are located in the same plane and are electrically connected. The two receive sub-coil structures 120 in the second receive coil 122 lie in the same plane and are electrically connected.

When the wireless receiving coil 12 includes the first receiving coil 121 and the second receiving coil 122 disposed opposite to each other, as described above, the first receiving coil 121 and the second receiving coil 122 may be disposed to be connected to form a C-shaped bent structure as shown in fig. 18, and the functional device 13 may be disposed based on the inner space of the bent structure.

When coupled with the transmitting coil 20 through the first receiving coil 121, in the first receiving coil 121, the two receiving sub-coil structures 120 are connected in series to form an 8-shaped structure, so that the magnetic fields of the two receiving sub-coil structures 120 can enhance coupling in the middle area of the two receiving sub-coil structures, thereby improving the coupling degree with the wireless transmitting coil 20 and improving the wireless charging efficiency.

When coupled with the transmitting coil 20 through the second receiving coil 122, in the second receiving coil 122, the two receiving sub-coil structures 120 are connected in series to form an 8-shaped structure, so that the magnetic fields of the two receiving sub-coil structures 120 can enhance coupling in the middle area of the two receiving sub-coil structures, thereby improving the coupling degree with the wireless transmitting coil 20 and improving the wireless charging efficiency.

As can be seen from the above description, in the embodiment of the present application, the space layout function device 13 in the wireless receiving coil 12 can be utilized in the auxiliary device 100, so that the space inside the auxiliary device 100 can be saved, and the saved space can be used for setting a battery module with a larger capacity or for integrating electronic components of related functions when the functions of the auxiliary device are extended. Moreover, the wireless receiving coil 12 with any one of the above structures can enable the auxiliary device 100 not to be limited to fixing a single charging insertion direction in the accommodating cavity 21, and can effectively ensure charging efficiency while realizing charging in a plurality of different insertion directions.

In the description of the present application, each embodiment is described in a progressive manner, or in parallel manner, or in a combination of progressive and parallel manners, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.

It is to be noted, however, that the description of the drawings and embodiments are illustrative and not restrictive. Like reference numerals refer to like structures throughout the embodiments of the specification. In addition, the drawings may exaggerate the thicknesses of some layers, films, panels, regions, etc. for understanding and ease of description. It will also be understood that when an element such as a layer, film, region or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may be present. In addition, "on …" refers to positioning an element on or under another element, but not essentially on the upper side of the other element according to the direction of gravity.

The terms "upper," "lower," "top," "bottom," "inner," "outer," and the like are used for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application. 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.

It is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in an article or device comprising the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An auxiliary device, comprising:

a body having an accommodation space;

the wireless receiving coil is arranged in the accommodating space and is used for receiving a wireless power supply signal and converting the wireless power supply signal into electric energy;

the functional device is arranged in the middle of the wireless receiving coil and has a passage with the wireless receiving coil.

2. The auxiliary device according to claim 1, wherein the wireless receiving coils are spirally arranged along a length direction of the auxiliary device to form a columnar space, and the functional device is disposed in the columnar space.

3. The auxiliary device of claim 2, the wireless receiving coil comprising:

The columnar magnetic conduction piece is provided with an accommodating space; the columnar magnetic conduction piece is arranged in the accommodating space along the length direction of the auxiliary equipment, and the wireless receiving coil is spirally wound on the outer side wall of the columnar magnetic conduction piece;

The functional device is arranged in the accommodating space.

4. The auxiliary device of claim 1, the wireless receiving coil comprising:

a first receiving coil and a second receiving coil;

The first receiving coil and the second receiving coil are oppositely arranged and positioned on different planes;

The functional device is arranged between the plane where the first receiving coil is located and the plane where the second receiving coil is located.

5. The auxiliary device of claim 4, the first receiving coil and the second receiving coil being electrically connected.

6. The auxiliary device of claim 4, further comprising:

a detection component and a switching component;

The detection component is used for detecting the coupling condition of the wireless transmitting coil and the first receiving coil and the second receiving coil respectively and generating detection signals;

the switching component is used for controlling the functional device to form a passage with the first receiving coil or the second receiving coil based on the detection signal.

7. The auxiliary device of claim 6, the detection assembly comprising:

The first detection component is positioned on the same plane with the first receiving coil and is used for detecting the coupling condition of the first receiving coil and the wireless transmitting coil and generating a detection signal representing the coupling condition of the first receiving coil and the wireless transmitting coil;

And the second detection assembly is positioned on the same plane with the second receiving coil and is used for detecting the coupling condition of the second receiving coil and the wireless transmitting coil and generating a detection signal representing the coupling condition of the second receiving coil and the wireless transmitting coil.

8. A control method applied to an auxiliary device, the control method comprising:

Obtaining a detection signal;

if the detection signal characterizes that the first receiving coil is coupled with the wireless transmitting coil, the control function device and the first receiving coil form a passage;

Controlling the functional device to form a path with a second receiving coil if the detection signal characterizes the coupling of the second receiving coil and a wireless transmitting coil;

the first receiving coil and the second receiving coil are oppositely arranged in the accommodating space of the auxiliary equipment and are positioned on different planes; the functional device is arranged between the plane where the first receiving coil is located and the plane where the second receiving coil is located.

9. The control method according to claim 8, the obtaining a detection signal, comprising:

controlling the functional device to periodically form a passage with the first receiving coil and the second receiving coil respectively;

generating a detection signal representing the coupling of the first receiving coil and the wireless transmitting coil if the first receiving coil receives the wireless power supply signal transmitted by the wireless transmitting coil;

And if the second receiving coil receives the wireless power supply signal transmitted by the wireless transmitting coil, generating a detection signal representing the coupling of the second receiving coil and the wireless transmitting coil.

10. An electronic device, comprising:

A main device and an auxiliary device;

The master device includes: a receiving chamber for detachably placing the auxiliary equipment; the accommodating cavity is provided with a first cavity wall provided with a wireless transmitting coil;

the auxiliary device includes: the body is provided with a first outer side wall, a second outer side wall and an accommodating space which are oppositely arranged; the wireless power supply module comprises a wireless receiving coil and a wireless power supply module, wherein the wireless receiving coil is arranged in the accommodating space and is used for receiving a wireless power supply signal transmitted by the wireless transmitting coil through the wireless receiving coil and converting the wireless power supply signal into electric energy; the functional device is arranged in the middle of the wireless receiving coil, is electrically connected with the wireless power supply module and is used for realizing the functions of the auxiliary equipment;

Wherein the wireless receiving coil is coupleable with the wireless transmitting coil if the first outer sidewall is opposite the first cavity wall after the auxiliary device is placed in the receiving cavity; the wireless receiving coil is coupled with the wireless transmitting coil if the auxiliary device is placed in the receiving cavity with the second outer side wall opposite the first cavity wall.