CN117192624A

CN117192624A - Induction device, electronic equipment and processing method

Info

Publication number: CN117192624A
Application number: CN202311167559.9A
Authority: CN
Inventors: 林郁喆
Original assignee: Lenovo Beijing Ltd
Current assignee: Lenovo Beijing Ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2023-12-08

Abstract

The embodiment of the application discloses an induction device, electronic equipment and a processing method, wherein when an object is close to the induction device and enters a first radiation range of first electromagnetic waves and a second radiation range of second electromagnetic waves, the induction device can determine the material of the object close to the induction device based on first target parameters of the first electromagnetic waves and second target parameters of the second electromagnetic waves.

Description

Induction device, electronic equipment and processing method

Technical Field

The present application relates to the field of electronic technologies, and in particular, to an induction apparatus, an electronic device, and a processing method.

Background

A specific absorption rate Sensor (SAR Sensor, specific Absorption Ratio Sensor) is a device used in many electronic devices, such as mobile phones, tablet computers, etc., equipped with SAR sensors. The SAR Sensor senses whether the peripheral capacitance changes through the antenna, so that whether a human body approaches the electronic equipment is determined. When a human body approaches the electronic equipment, the electronic equipment can be controlled to reduce the emission power so as to reduce the radiation to the human body. However, when an object approaches, the existing SAR sensing device cannot determine the material of the approaching object, so that the existing SAR sensing device has lower precision when determining whether the human body approaches the electronic device.

Disclosure of Invention

In order to solve the technical problems, the embodiment of the application provides an induction device, an electronic device and a processing method, so as to improve the accuracy of determining whether a human body approaches the electronic device.

In order to solve the problems, the embodiment of the application provides the following technical scheme:

in a first aspect, the present application provides an induction device comprising:

a transmitting assembly for transmitting electromagnetic waves;

the sensing assembly is used for detecting a first target parameter of the first electromagnetic wave emitted by the emitting assembly and detecting a second target parameter of the second electromagnetic wave emitted by the emitting assembly, wherein the first target parameter is used for reflecting an electric field of the first electromagnetic wave, and the second target parameter is used for reflecting a magnetic field of the second electromagnetic wave;

the first target parameter and the second target parameter are used for determining a material of a target object, and the target object is located in a first radiation range of the first electromagnetic wave and a second radiation range of the second electromagnetic wave.

Optionally, the transmitting assembly includes:

a first conductor;

the first conductor and the second conductor meet the coupling distance;

The sensing assembly includes:

a first detection circuit having a first detection unit, the first detection circuit being connected to a first end of the first conductor, the first detection unit providing a target voltage through the first detection circuit so that the first conductor and the second conductor form the first electromagnetic wave, the first detection unit obtaining the first target parameter through the first detection circuit;

a second detection circuit having a second detection unit including a first path connected to the first end of the first conductor and a second path connected to the second end of the first conductor, the second detection unit providing a target current through the first path so that the first conductor forms the second electromagnetic wave, the second target parameter being obtained through the second path.

Optionally, the first detection unit is a capacitive sensing element, the first target parameter is a voltage signal value, and a reference voltage of the first target parameter is the target voltage;

the second detection unit is an inductance induction element, the second target parameter is a current signal value, and the reference current of the second target parameter is a current value of the target current which is returned to the inductance induction element through the second path after generating eddy current under the action of the second conductor under the action of the first conductor;

The reference voltage is used to characterize the absence of a target object in the first radiation range and the reference current is used to characterize the absence of a target object in the second radiation range.

In a second aspect, the present application provides a processing method, applied to an electronic device, the method including:

obtaining a first target parameter of a first electromagnetic wave emitted by the electronic equipment, wherein the first target parameter is used for reflecting an electric field of the first electromagnetic wave;

obtaining a second target parameter of a second electromagnetic wave emitted by the electronic equipment, wherein the second target parameter is used for reflecting a magnetic field of the second electromagnetic wave;

and determining the material quality of a target object based on the first target parameter and the second target parameter, wherein the target object is positioned in a first radiation range of the first electromagnetic wave and a second radiation range of the second electromagnetic wave.

Optionally, the method further comprises:

if the target object is a first nonmetallic material, reducing the transmitting power of an antenna in the electronic equipment, wherein the first material is a human body;

and if the target object is a nonmetallic second material, maintaining the transmitting power of the antenna in the electronic equipment, wherein the second material is different from the first material.

Optionally, determining the material of the target object based on the first target parameter and the second target parameter includes:

determining a distance value of the target object based on the first target parameter;

determining a dielectric constant value of the target object based on the second target parameter;

and determining the material of the target object based on the distance value and the dielectric constant value.

Optionally, the method further comprises:

controlling the electronic equipment to emit first electromagnetic waves, and judging whether the first target parameters meet preset conditions or not;

and if the first target parameter meets a preset condition, controlling the electronic equipment to emit a second electromagnetic wave.

Optionally, controlling the electronic device to emit the first electromagnetic wave and determining whether the first target parameter meets a preset condition includes:

controlling the electronic equipment to emit first electromagnetic waves in a first period to obtain first sub-target parameters;

if the first sub-target parameter meets a first preset condition, controlling the electronic equipment to emit first electromagnetic waves in a second period to obtain a second sub-target parameter, and judging whether the second sub-target parameter meets a second preset condition or not, wherein the second period is smaller than the first period;

Wherein the first preset condition includes: the first sub-target parameter is greater than a first threshold; the second preset condition includes: the second sub-target parameter is greater than the first threshold and a floating range of the second sub-target parameter is less than a second threshold.

In a third aspect, the present application provides an electronic device, including:

a transmitting assembly for transmitting electromagnetic waves;

the sensing component is used for detecting a first target parameter of the first electromagnetic wave emitted by the emitting component; detecting a second target parameter of a second electromagnetic wave emitted by the emission component, wherein the first target parameter is used for reflecting an electric field of the first electromagnetic wave, and the second target parameter is used for reflecting a magnetic field of the second electromagnetic wave;

and the processor is used for determining the material quality of a target object based on the first target parameter and the second target parameter, wherein the target object is positioned in the first radiation range of the first electromagnetic wave and the radiation range of the second electromagnetic wave.

Optionally, the processor is configured to, when determining the material of the target object based on the first target parameter and the second target parameter, specifically:

Determining a distance value between the target object and the electronic device based on the first target parameter;

Optionally, the processor is further configured to:

controlling the sensing assembly to provide a target voltage so that the transmitting assembly transmits a first electromagnetic wave;

the sensing assembly is controlled to provide a target current so that the transmitting assembly transmits a second electromagnetic wave.

Optionally, the first target parameter includes a first sub-target parameter and a second sub-target parameter, and the processor is configured to:

controlling a capacitance sensing unit in the sensing assembly to be started in a first period, providing a target voltage, enabling the transmitting assembly to transmit a first electromagnetic wave, and detecting a first sub-target parameter of the first electromagnetic wave;

if the first sub-target parameter meets a first preset condition, controlling the capacitance sensing unit to provide the target voltage in a second period so that the transmitting component transmits a first electromagnetic wave and detects a second sub-target parameter of the first electromagnetic wave;

And if the second sub-target parameter meets a second preset condition, controlling an inductance induction unit in the induction component to provide a target current so that the emission component emits a second electromagnetic wave.

Optionally, the transmitting assembly includes

A target antenna radiator;

a target conductor, the target antenna radiator and the target conductor satisfying a coupling distance;

the first end of the target antenna radiator is connected with a first interface of the induction component through a first circuit and is connected with a second interface of the induction component through a second circuit; the second end of the target antenna radiator is connected with a third interface of the induction component through a third circuit;

a first interface for enabling signal transmission between the first circuit and a capacitive sensing cell in the sensing assembly;

the second interface is used for realizing signal transmission between the second circuit and the output end of the inductance induction unit in the induction component;

and the third interface is used for realizing signal transmission between the third circuit and the input end of the inductance induction unit in the induction component.

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 induction device according to an embodiment of the present application;

FIG. 2 is a schematic diagram of an induction device according to another embodiment of the present application;

fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of an electronic device according to another embodiment of the present application;

FIG. 5 is a schematic diagram illustrating an operation of an electronic device according to an embodiment of the present application;

fig. 6 is a flowchart of a processing method according to an embodiment of the present application.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. 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 the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.

In the following detailed description of the embodiments of the present application, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration only, and in which is shown by way of illustration only, and in which the scope of the application is not limited for ease of illustration. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

As described in the background art, when an object approaches, the existing SAR sensing device cannot determine the material of the approaching object, so that the existing SAR sensing device has lower accuracy when determining whether the human body approaches the electronic device.

In view of the above, an embodiment of the present application provides an induction device, as shown in fig. 1, including:

a transmitting assembly 10 for transmitting electromagnetic waves;

a sensing assembly 20 for detecting a first target parameter of a first electromagnetic wave emitted by the emitting assembly 10, the first target parameter being used to reflect an electric field of the first electromagnetic wave, and detecting a second target parameter of a second electromagnetic wave emitted by the emitting assembly 10, the second target parameter being used to reflect a magnetic field of the second electromagnetic wave; the first target parameter and the second target parameter are used for determining a material of a target object, and the target object is located in a first radiation range of the first electromagnetic wave and a second radiation range of the second electromagnetic wave.

As can be seen from the above, in the sensing device provided by the embodiment of the present application, when an object approaches, and enters the first radiation range of the first electromagnetic wave and the second radiation range of the second electromagnetic wave, the material of the approaching object can be determined based on the first target parameter of the first electromagnetic wave and the second target parameter of the second electromagnetic wave, so that the detection accuracy can be improved when determining whether the human body approaches the electronic device.

Alternatively, in one embodiment of the present application, as shown in fig. 2, the transmitting assembly includes a first conductor 11 and a second conductor 12, wherein the first conductor 11 and the second conductor 12 satisfy a coupling distance such that the first conductor 11 and the second conductor 12 are not in contact with each other and are capable of interaction.

Specifically, in one embodiment of the present application, the first end of the second conductor is arranged to float, and the second end of the second conductor is also arranged to float; in another embodiment of the present application, the first end of the second conductor is arranged in a floating manner, and the second end of the second conductor is grounded; in yet another embodiment of the present application, the first end of the second conductor is grounded, and the second end of the second conductor is grounded, which is not limited in the present application, so long as the first conductor and the second conductor are not contacted and can interact with each other.

Optionally, on the basis of the foregoing embodiment, in one embodiment of the present application, the first conductor is a radiator, and the second conductor is a metal coil or a metal sheet or a metal segment, which is not limited in this aspect of the present application, and is specific as the case may be.

On the basis of any of the above embodiments, in one embodiment of the present application, as further shown in fig. 2, the sensing assembly includes: a first detection circuit having a first detection unit 21, said first detection circuit being connected to a first end of said first conductor 11, said first detection unit 21 providing a target voltage via the first detection circuit such that a first electromagnetic wave is formed between said first conductor 11 and said second conductor 12, said first detection unit 21 obtaining a first target parameter of said first electromagnetic wave via said first detection circuit.

Alternatively, in one embodiment of the present application, as further shown in fig. 2, the first detecting unit 21 is electrically connected to the first end of the first conductor 11 through the resistor R and the first inductor L1, specifically, the first detecting unit 21 is electrically connected to the first end of the resistor R, the second end of the resistor R is electrically connected to the first end of the first inductor L1, and the second end of the first inductor L1 is electrically connected to the first end of the first conductor 11.

When the device specifically works, the first detection unit provides target voltage for the first conductor through the first detection circuit, so that potential difference is generated between the first conductor and the second conductor, and an electric field is formed between the first conductor and the second conductor. When a target object approaches the sensing device, an electric field between the first conductor and the second conductor changes, and accordingly, a first electromagnetic wave formed between the first conductor and the second conductor changes, so that a first target parameter of the first electromagnetic wave changes, and when target objects of different materials approach the sensing device, the first target parameters of the first electromagnetic wave are different. Thus, the first target parameter of the first electromagnetic wave obtained by the first detection unit through the first detection circuit may be used for determination of the material of the target object.

In this embodiment, as further shown in fig. 2, the sensing assembly further includes: a second detection circuit having a second detection unit 22, the second detection circuit including a first path connected to the first end of the first conductor 11 and a second path connected to the second end of the first conductor 11, the second detection unit 21 supplying a target current through the first path so that the first conductor 11 forms the second electromagnetic wave, the second target parameter being obtained through the second path.

Specifically, in one embodiment of the present application, the first path includes a first inductor L1, the second path includes a second inductor L2, that is, the output end of the second detecting unit 21 is electrically connected to the first end of the first inductor L1, the second end of the first inductor L1 is electrically connected to the first end of the first conductor 11, the second end of the first conductor 11 is electrically connected to the first end of the second inductor L2, and the second end of the second inductor L2 is electrically connected to the input end of the second detecting unit 22.

When the device specifically works, the second detection unit provides target current for the first conductor through the second detection circuit, the first conductor generates a first electromagnetic field under the drive of the target current, the second conductor is positioned in the first electromagnetic field range of the first conductor, reverse surface vortex current is generated under the action of the first electromagnetic field and generates a second electromagnetic field, the second electromagnetic field acts on the first conductor, and the current output by the second end of the first conductor to the second path changes, so that the second target parameter obtained by the second detection unit through the second path changes.

When the target object is made of different materials, the reverse surface eddy current generated by the target object under the action of the first electric field is different, correspondingly, the strength of a second electromagnetic field generated by the reverse surface eddy current is different, the acting force on the first conductor is different, the signal change output to the second passage by the second end of the first conductor is different, and the second target parameter obtained by the second detection unit through the second passage is different. Therefore, in this embodiment, the second target parameter may also be used for determining the target material.

Optionally, on the basis of the foregoing embodiment, in one embodiment of the present application, the first detection unit is a capacitive sensing element, the first target parameter is a voltage signal value, and a reference voltage of the first target parameter is the target voltage, and in this embodiment, the first detection unit obtains the first target parameter based on a capacitive detection principle. Specifically, in one embodiment of the present application, the capacitive sensing element includes a capacitive sensor to detect a change in capacitance between the first conductor and the second conductor using the capacitive sensor.

When the capacitor induction unit works specifically, the capacitor induction unit provides target voltage for the first conductor, so that the potential difference between the first conductor and the second conductor is different, and a potential difference is generated, so that a capacitor is formed between the first conductor and the second conductor. When a target object approaches to the first conductor or the second conductor, the capacitance between the first conductor and the second conductor changes, and under the condition that the electric charge amounts on the first conductor and the second conductor are unchanged, the potential difference between the first conductor and the second conductor changes, correspondingly, the voltage signal on the first conductor changes, and the capacitance sensing element can detect the changed voltage signal and use the changed voltage signal to determine the material quality of the target object.

It should be noted that, in this embodiment, the reference voltage is used to represent that there is no target object in the first radiation range, and in practical application, the first conductor and the second conductor may be used as a whole to correct the reference voltage, so as to improve convenience in using the first target parameter to determine a material of the target object.

In this embodiment, the second detection unit is an inductance induction element, the second target parameter is a current signal value, and the reference current of the second target parameter is a current value that the target current returns to the inductance induction element through the second path after generating an eddy current under the action of the second conductor under the action of the first conductor, where in this embodiment, the inductance induction element obtains the second target parameter based on an inductance detection principle. Specifically, in one embodiment of the present application, the inductive sensing element includes a radio frequency transceiver element, so as to provide the target current to the transmitting element and obtain the second target parameter, and optionally, the radio frequency transceiver element corresponds to a signal frequency range of 1k to 100MHz, which is not limited in this aspect of the present application, and is specifically determined according to circumstances.

When the device specifically works, the second detection unit provides a current signal for the first conductor through the first passage, the first conductor generates a first electromagnetic field under the drive of the target current, the second conductor is positioned in the first electromagnetic field range of the first conductor, the reverse surface vortex current is generated under the action of the first electromagnetic field, the reverse surface vortex current generates a second electromagnetic field and acts on the first conductor, and the current output to the second passage by the second end of the first conductor is different from the current input to the first conductor in the first passage.

In this embodiment, the reference current is used to characterize that there is no target object in the second radiation range, that is, when there is no target object in the first radiation range and/or the second radiation range, the second target parameter obtained by the second detection unit through the second path is the reference current.

Optionally, in an embodiment of the present application, the first detecting unit and the second detecting unit are integrated in the same chip to improve the integration level of the sensing device, but the present application is not limited thereto, and in other embodiments of the present application, the first detecting unit and the second detecting unit may be separately a chip, where appropriate.

It should be noted that, as known from the detection principles of the first detection unit and the second detection unit, the signals provided by the first detection unit and the second detection unit to the first conductor are different, so in one embodiment of the present application, the first detection unit and the second detection unit operate in a time sharing manner, and the operation time periods of the first detection unit and the second detection unit do not overlap, so that the detection process of the first detection unit and the detection process of the second detection unit do not affect each other, but the present application is not limited thereto, and the present application is specifically defined as the case may be.

As can be seen from the above, the first target parameter and the second target parameter in the sensing device provided by the embodiment of the present application may be used to determine the material of the target object, so that when the sensing device provided by the embodiment of the present application is applied to an electronic device, whether the approaching object is a human body or not can be determined, when the approaching object is determined to be a human body, the transmitting power of the antenna in the electronic device is reduced, so as to reduce radiation to the human body, and when the approaching object is determined to be not a human body, the transmitting power of the antenna in the electronic device is maintained, and the signal strength of the electronic device is ensured.

Optionally, in an embodiment of the present application, the first target parameter and the second target parameter may be further used to determine a distance between the target object and the sensing device, so as to further obtain relative position information between the target object and the sensing device, and when the sensor is applied to the electronic device, if the target object is a human body, the transmitting power of the electronic device may be adjusted based on the distance between the target object and the electronic device, so as to consider both the transmitting power of the electronic device and radiation of the electronic device to the human body, but the application is not limited thereto, and is specifically determined according to circumstances.

In any of the above embodiments, the dielectric constant value of the target object is determined based on the first target parameter and the second target parameter, so as to determine the material of the target object based on the dielectric constant value of the target object.

Since the capacitance detection principle is more sensitive to the distance between the target object and the sensing device and the inductance detection principle is more sensitive to the dielectric constant value, in one embodiment of the present application, the first target parameter is used to determine the distance value between the target object and the sensing device and the second target parameter is used to determine the dielectric constant value of the target object, but the present application is not limited thereto, and the present application is not limited thereto as the case may be.

Correspondingly, the embodiment of the application also provides an electronic device, as shown in fig. 3, which comprises:

a transmitting assembly 10 for transmitting electromagnetic waves;

an induction component 20 for detecting a first target parameter of a first electromagnetic wave emitted by the emission component 10, and detecting a second target parameter of a second electromagnetic wave emitted by the emission component 10, wherein the first target parameter is used for reflecting an electric field of the first electromagnetic wave, and the second target parameter is used for reflecting a magnetic field of the second electromagnetic wave;

A processor 30 for determining a material of a target object based on the first target parameter and the second target parameter, the target object being located within a first radiation range of the first electromagnetic wave and within a radiation range of the second electromagnetic wave.

Alternatively, in an embodiment of the present application, the processor may be a Central Processing Unit (CPU) or an electronic arithmetic processor (AU), which is not limited in this aspect of the present application, and the present application is specifically limited as the case may be.

According to the electronic equipment provided by the embodiment of the application, when an object approaches, the object enters the first radiation range of the first electromagnetic wave and the second radiation range of the second electromagnetic wave, the material of the object approaching can be determined based on the first target parameter of the first electromagnetic wave and the second target parameter of the second electromagnetic wave, so that the detection precision can be improved when determining whether the human body approaches the electronic equipment.

Specifically, in one embodiment of the present application, as shown in fig. 4, the transmitting assembly includes a first conductor 11 and a second conductor 12, wherein the first conductor 11 and the second conductor 12 satisfy a coupling distance such that the first conductor 11 and the second conductor 12 are not in contact with each other but are capable of interaction; the sensing assembly includes: a first detection circuit having a first detection unit 21 and a second detection circuit having a second detection unit 22. Wherein the first detection circuit is connected to the first end of the first conductor 11, the first detection unit 21 provides a target voltage through the first detection circuit so that a first electromagnetic wave is formed between the first conductor 11 and the second conductor 12, and the first detection unit 21 obtains a first target parameter of the first electromagnetic wave through the first detection circuit; the second detection circuit includes a first path connected to the first end of the first conductor 11 and a second path connected to the second end of the first conductor 11, and the second detection unit 21 supplies a target current through the first path so that the first conductor 11 forms the second electromagnetic wave, and obtains the second target parameter through the second path.

Since the structures and principles of the emitting component and the sensing component are the same as those of the emitting component and the sensing component in the sensing device, the same parts can be referred to the description of the sensing device, and the detailed description of the application is omitted.

Specifically, on the basis of the foregoing embodiments, in one embodiment of the present application, the processor is further configured to control the sensing component to provide a target voltage, so that the transmitting component transmits a first electromagnetic wave, and control the sensing component to detect a first target parameter of the first electromagnetic wave; and controlling the induction component to provide a target current so that the emission component emits a second electromagnetic wave, and controlling the induction component to detect a second target parameter of the second electromagnetic wave. The application is not limited thereto and is specifically applicable.

On the basis of the above embodiments, in one embodiment of the present application, the processor is further configured to: and when no target object exists in the first radiation range and the second radiation range, controlling the induction component to provide target voltage so that the emission component emits first electromagnetic waves, and controlling the induction component to detect first target parameters of the first electromagnetic waves, wherein the first target parameters are used as background parameter values of the environment where the electronic equipment is located and used for calibrating first reference signals in the electronic equipment so as to improve detection accuracy, and the first reference signals are the first target parameters of the first electromagnetic waves when no target object exists in the first radiation range and the second radiation range. The application is not limited thereto and is specifically applicable.

Similarly, the processor is further configured to: and when no target object exists in the first radiation range and the second radiation range, controlling the induction component to provide target current so that the emission component emits second electromagnetic waves, and controlling the induction component to detect second target parameters of the second electromagnetic waves, wherein the second target parameters are used as background parameter values of the environment where the electronic equipment is located and used for calibrating second reference signals in the electronic equipment so as to improve detection accuracy, and the second reference signals are second target parameters of the second electromagnetic waves when no target object exists in the first radiation range and the second radiation range. The application is not limited thereto and is specifically applicable.

On the basis of any one of the foregoing embodiments, in one embodiment of the present application, the electronic device further includes: a target antenna radiator for effecting transmission and reception of target antenna signals. It should be noted that, since the target antenna radiator is a conductor, in an alternative embodiment of the present application, the target antenna radiator may be multiplexed as the first conductor, so as to simplify the structure of the electronic device and reduce the cost of the electronic device.

Specifically, in one embodiment of the present application, the transmitting assembly includes: the antenna comprises a target antenna radiator and a target conductor, wherein the target antenna radiator and the target conductor meet the coupling distance, the target antenna radiator is multiplexed into the first conductor, the target conductor is the second conductor, and the content of the antenna radiator multiplexed into the first conductor and the content of the target conductor are not described in detail herein, and specific reference can be made to related descriptions of the first conductor and the second conductor.

Optionally, on the basis of the foregoing embodiment, in one embodiment of the present application, as further shown in fig. 4, the electronic device further includes: and the radio frequency signal source RF is electrically connected with the first end of the target antenna radiator through a capacitor C so as to realize the transmission of antenna signals between the radio frequency signal source RF and the target antenna radiator.

On the basis of any of the above embodiments, in one embodiment of the present application, the first detection unit and the second detection unit are integrated in the same chip to improve the integration level of the sensing device, but the present application is not limited thereto, and in other embodiments of the present application, the first detection unit and the second detection unit may be separately a chip, where appropriate.

Specifically, in one embodiment of the present application, the first detection unit is a capacitive sensing unit, the second detection unit is an inductive sensing unit, and when the first detection unit and the second detection unit are integrated in the same chip, the sensing assembly has a first interface, a second interface, and a third interface, and the first end of the target antenna radiator is connected to the first interface of the sensing assembly through a first circuit and is connected to the second interface of the sensing assembly through a second circuit; the second end of the target antenna radiator is connected with a third interface of the induction component through a third circuit.

It should be noted that, in this embodiment, the first interface is configured to implement signal transmission between the first circuit and a capacitive sensing unit in the sensing assembly; the second interface is used for realizing signal transmission between the second circuit and the output end of the inductance induction unit in the induction component; and the third interface is used for realizing signal transmission between the third circuit and the input end of the inductance induction unit in the induction component.

Specifically, based on the above embodiment, in one embodiment of the present application, as further shown in fig. 4, the first circuit includes a resistor R and a first inductor L1, a first end of the resistor R is electrically connected to the first detection unit 21, a second end of the resistor R is electrically connected to a first end of the first inductor L1, and a second end of the first inductor L1 is electrically connected to a first end of the target antenna radiator 11;

The second circuit includes the first inductor L1, a first end of the first inductor L1 is electrically connected to the output end of the second detection unit 22, and a second end of the first inductor L1 is electrically connected to the first end of the target antenna radiator 11;

the third circuit includes a second inductor L2, a first end of the second inductor L2 is electrically connected to the second end of the target antenna radiator 12, and a second end of the second inductor L2 is electrically connected to the input end of the second detection unit 22.

In any of the above embodiments, when determining the material of the target object based on the first target parameter and the second target parameter, the processor may determine the dielectric constant value of the target object based on the first target parameter and the second target parameter, and then determine the material of the target object based on the dielectric constant value of the target object.

Further, since the capacitance detection principle is more sensitive to the distance between the target object and the electronic device, and the inductance detection principle is more sensitive to the dielectric constant value of the target object, in one embodiment of the present application, the processor is specifically configured to, when determining the material of the target object based on the first target parameter and the second target parameter, perform: determining a distance value between the target object and the electronic device based on the first target parameter; determining a dielectric constant value of the target object based on the second target parameter; and determining the material of the target object based on the distance value and the dielectric constant value.

Specifically, in one embodiment of the present application, the processor determines a distance value between the target object and the electronic device based on the first target parameter, then determines a dielectric constant value of the target object based on the second target parameter and the distance value between the target object and the electronic device, and finally determines a material of the target object based on the distance value and the dielectric constant value.

In another embodiment of the application, when a target object is located within a first radiation range of the first electromagnetic wave and a second radiation range of the second electromagnetic wave, the processor determines a distance value between the target object and the electronic device based on the first target parameter value and a dielectric constant value of the target object based on the second target parameter value, respectively, and finally determines a material of the target object based on a combination of the distance value and the dielectric constant value.

Optionally, in an embodiment of the present application, the processor determines a distance value of the target object based on a plurality of first target parameter values, and determines a dielectric constant value of the target object based on a plurality of second target parameter values, so as to improve accuracy of determining a material of the target object. Specifically, in this embodiment, the processor may obtain a plurality of first target parameters first, then obtain a plurality of second target parameters, or obtain a plurality of second target parameters first, then obtain a plurality of first target parameters, or alternatively obtain a plurality of first target parameters and second target parameters, that is, obtain a first target parameter first, then obtain a second target parameter, then obtain a first target parameter, then obtain a second target parameter, and so on. The application is not limited thereto and is specifically applicable.

On the basis of any one of the foregoing embodiments, in one embodiment of the present application, the processor is further configured to: the induction component is controlled to provide a target voltage, so that the emission component emits a first electromagnetic wave, and whether the first target parameter meets a preset condition is judged; and if the first target parameter meets a preset condition, controlling the induction component to provide a target current so that the emission component emits a second electromagnetic wave. Specifically, in this embodiment, the processor first controls the sensing component to provide a target voltage, so that the transmitting component transmits a first electromagnetic wave, obtains a first target parameter of the first electromagnetic wave, and determines whether the first target parameter meets a preset condition; and if the first target parameter meets the preset condition, controlling the induction component to provide a target current so as to enable the emission component to emit the second electromagnetic wave, and if the first target parameter does not meet the preset condition, controlling the induction component not to provide the target current so as to enable the emission component not to emit the second electromagnetic wave, thereby reducing the standby power consumption of the electronic equipment.

Optionally, on the basis of the foregoing embodiment, in one embodiment of the present application, the processor may control the sensing component to continuously provide the target voltage, so that the transmitting component may continuously transmit the first electromagnetic wave, so that when an object approaches the electronic device, the first electromagnetic wave may be detected quickly and timely; in another embodiment of the present application, the processor may also control the sensing component to periodically provide the target voltage, so that the transmitting component periodically transmits the first electromagnetic wave, so as to further reduce the power consumption of the electronic device based on timely detection of the object approaching the electronic device, but the present application is not limited thereto, and the present application is specifically limited thereto as the case may be.

Specifically, in one embodiment of the present application, the processor is specifically configured to, when configured to control the sensing component to provide the target voltage so that the transmitting component transmits the first electromagnetic wave, determine whether the first target parameter meets a preset condition, and:

controlling the induction component to provide a target voltage in a first period, so that the emission component emits first electromagnetic waves in the first period to obtain a first sub-target parameter;

if the first sub-target parameter meets a first preset condition, controlling the induction component to provide a target voltage in a second period, so that the emission component emits first electromagnetic waves in the second period to obtain a second sub-target parameter, and judging whether the second sub-target parameter meets the preset condition or not, wherein the second period is smaller than the first period;

The following describes a working procedure of the electronic device according to the embodiment of the present application with reference to a specific embodiment. In this embodiment, the sensing component includes a first sensing unit and a second sensing unit, where the first sensing unit is a capacitive sensing unit and is configured to provide a target voltage so that the transmitting component transmits a first electromagnetic wave and detects a first target parameter of the first electromagnetic wave, and the second sensing unit is an inductive sensing unit and is configured to provide a target current so that the transmitting component transmits a second electromagnetic wave and detects a second target parameter of the second electromagnetic wave.

As shown in fig. 5, in this embodiment, the working process of the electronic device includes:

the method comprises the steps of controlling the first detection unit to be periodically started, and providing target voltage at a first period, so that the emission component emits first electromagnetic waves at the first period, and obtaining a voltage value of a first target parameter of the first electromagnetic waves;

judging whether the voltage value of the first target parameter is larger than a first voltage or not;

if the voltage value of the first target parameter is larger than the first voltage, controlling the first detection unit to provide the target voltage in a second period, so that the transmitting component transmits the first electromagnetic wave in the second period, and obtaining the voltage value of the first target parameter of the first electromagnetic wave;

judging whether the voltage value of the first target parameter is larger than a first voltage or not, and judging whether the voltage floating range of the first target parameter is smaller than a second voltage or not;

if the voltage value of the first target parameter is larger than the first voltage and the voltage floating range of the first target parameter is smaller than the second voltage, the first detection unit is closed, the second detection unit is started, the second detection unit is controlled to provide target current, so that the emission component emits second electromagnetic waves, and the current value I1 of the second target parameter of the second electromagnetic waves is obtained;

Closing the second detection unit, starting the first detection unit, and controlling the first detection unit to provide a target voltage so that the transmitting assembly transmits the first electromagnetic wave and obtains a voltage value V1 of a first target parameter of the first electromagnetic wave;

closing the first detection unit, starting the second detection unit, controlling the second detection unit to provide a target current so that the transmitting assembly transmits the second electromagnetic wave and obtaining a current value I2 of a second target parameter of the second electromagnetic wave;

closing the second detection unit, starting the first detection unit, and controlling the first detection unit to provide a target voltage so that the transmitting assembly transmits the first electromagnetic wave and obtains a voltage value V2 of a first target parameter of the first electromagnetic wave;

and so on until n first target parameters and n second target parameters are obtained;

the method comprises the steps of processing n first target parameters V1-Vn and n second target parameters I1-In, and determining a distance value between a target object and electronic equipment and a dielectric constant value of the target object by checking a database, so as to determine the material of the target object and the distance between the target object and the electronic equipment.

On the basis of any one of the foregoing embodiments, in one embodiment of the present application, the processor is further configured to:

If the target object is a first nonmetallic material, reducing the transmitting power of an antenna in the electronic equipment, wherein the first material is a human body so as to reduce the radiation of signals transmitted by the electronic equipment to the human body;

and if the target object is a nonmetallic second material, maintaining the transmitting power of an antenna in the electronic equipment, wherein the second material is different from the first material so as to maintain the signal intensity of the electronic equipment when the human body is not positioned in the radiation range of the electronic equipment.

Optionally, in an embodiment of the present application, the processor is further configured to: and if the target object is metal, maintaining the transmitting power of an antenna in the electronic equipment.

As can be seen from the above, when an object approaches and enters the first radiation range of the first electromagnetic wave and the second radiation range of the second electromagnetic wave, the electronic device provided by the embodiment of the application can determine the material of the approaching object based on the first target parameter of the first electromagnetic wave and the second target parameter of the second electromagnetic wave, so that when determining whether the human body approaches the electronic device, the detection precision can be improved, and when the human body approaches the electronic device, the emission power of the antenna in the electronic device can be reduced, thereby reducing the radiation to the human body.

In addition, the embodiment of the present application further provides a processing method, which is applied to the electronic device provided in any of the foregoing embodiments, and specifically, as shown in fig. 6, the method includes:

s1: a first target parameter of a first electromagnetic wave emitted by the electronic equipment is obtained, wherein the first target parameter is used for reflecting an electric field of the first electromagnetic wave.

It should be noted that, in practical application, when an object with a different material is close to the electronic device, the first target parameters of the first electromagnetic wave are different, so in this embodiment, the first target parameters may be used to determine the material of the object close to the electronic device.

Optionally, in an embodiment of the present application, the first target parameter is a voltage signal value, and the processing method obtains the first target parameter based on a capacitance detection principle, but the present application is not limited thereto, and the processing method is specific to the situation.

S2: obtaining a second target parameter of a second electromagnetic wave emitted by the electronic equipment, wherein the second target parameter is used for reflecting the magnetic field of the second electromagnetic wave.

It should be noted that, in practical application, when an object with a different material is close to the electronic device, the second target parameter of the second electromagnetic wave is different, so in this embodiment, the second target parameter may be used to determine the material of the object close to the electronic device.

Optionally, in an embodiment of the present application, the second target parameter is a current signal value, and the processing method obtains the second target parameter based on an inductance detection principle, but the present application is not limited thereto, and the processing method is specific to the situation.

S3: and determining the material of a target object based on the first target parameter and the second target parameter, wherein the target object is positioned in a first radiation range of the first electromagnetic wave and a second radiation range of the second electromagnetic wave.

It should be noted that, when the first target parameter is a voltage signal value and the second target parameter is a current signal value, the signal types of the first target parameter and the second target parameter obtained by the processing method are different, so in an alternative embodiment of the present application, the processing method obtains the first target parameter and the second target parameter in a time sharing manner, that is, the processing method obtains the first target parameter in a first period of time and obtains the second target parameter in a second period of time, where the first period of time and the second period of time do not overlap.

In any of the above embodiments, when determining the material of the target object based on the first target parameter and the second target parameter, the processing method may determine the dielectric constant value of the target object based on the first target parameter and the second target parameter, and then determine the material of the target object based on the dielectric constant value of the target object.

Further, since the capacitance detection principle is more sensitive to the distance between the target object and the electronic device, the inductance detection principle is more sensitive to the dielectric constant value of the target object, in one embodiment of the present application, determining the material of the target object based on the first target parameter and the second target parameter includes:

Specifically, in one embodiment of the present application, the processing method first obtains the first target parameter, determines a distance value between the target object and the electronic device based on the first target parameter, then obtains the second target parameter, determines a dielectric constant value of the target object based on the second target parameter and the distance value between the target object and the electronic device, and finally determines a material of the target object based on the distance value and the dielectric constant value.

In another embodiment of the application, when a target object is located within a first radiation range of the first electromagnetic wave and within a second radiation range of the second electromagnetic wave, the processing method determines a distance value of the target object based on the first target parameter value and a permittivity value of the target object based on the second target parameter value, respectively, and finally determines a material of the target object based on a combination of the distance value and the permittivity value. It should be noted that, in this embodiment, the processing method may first obtain the first target parameter, determine the distance value of the target object based on the first target parameter, then obtain the second target parameter, determine the dielectric constant value of the target object based on the second target parameter, or may first obtain the second target parameter, determine the dielectric constant value of the target object based on the second target parameter, then obtain the first target parameter, and determine the distance value of the target object based on the first target parameter.

Optionally, in an embodiment of the present application, the processing method determines a distance value of the target object based on a plurality of first target parameter values, and determines a dielectric constant value of the target object based on a plurality of second target parameters, so as to improve accuracy of determining a material of the target object. Specifically, in this embodiment, the method may obtain a plurality of first target parameters first, then obtain a plurality of second target parameters, or may obtain a plurality of second target parameters first, then obtain a plurality of first target parameters, or may alternatively obtain a plurality of first target parameters and second target parameters, that is, obtain a first target parameter first, then obtain a second target parameter, then obtain a first target parameter, then obtain a second target parameter, and so on. The application is not limited thereto and is specifically applicable.

On the basis of any one of the foregoing embodiments, in one embodiment of the present application, the method further includes: controlling the electronic equipment to emit first electromagnetic waves, and judging whether the first target parameters meet preset conditions or not; and if the first target parameter meets a preset condition, controlling the electronic equipment to emit a second electromagnetic wave. In this embodiment, when the processing method is specifically applied, the electronic device is controlled to emit a first electromagnetic wave, a first target parameter of the first electromagnetic wave is obtained, and whether the first target parameter meets a preset condition is determined; and if the first target parameter meets the preset condition, controlling the electronic equipment to emit the second electromagnetic wave, and if the first target parameter does not meet the preset condition, controlling the electronic equipment not to emit the second electromagnetic wave so as to reduce the standby power consumption of the electronic equipment.

Optionally, on the basis of the foregoing embodiment, in one embodiment of the present application, the processing method may continuously emit the first electromagnetic wave, so as to quickly and timely detect when an object approaches the electronic device; in another embodiment of the present application, the processing method periodically transmits the first electromagnetic wave, so as to further reduce the power consumption of the electronic device based on timely detection of the object approaching the electronic device, but the present application is not limited thereto, and the present application is specifically limited as the case may be.

Specifically, in one embodiment of the present application, controlling the electronic device to emit the first electromagnetic wave, and determining whether the first target parameter meets a preset condition includes:

if the first sub-target parameter meets a first preset condition, controlling the electronic equipment to emit first electromagnetic waves in a second period to obtain a second sub-target parameter, and judging whether the second sub-target parameter meets the preset condition or not, wherein the second period is smaller than the first period;

The processing method provided by the embodiment of the application is described below with reference to a specific embodiment. In this embodiment, for convenience of description, the first target parameter is taken as a voltage signal value, and the second target parameter is taken as a current signal value as an example.

In this embodiment, the first target parameter includes a first sub-target parameter and a second sub-target parameter, and the processing method includes:

transmitting a first electromagnetic wave in a first period, and obtaining a first sub-target parameter of the first electromagnetic wave;

judging whether the first sub-target parameter meets a first preset condition or not, specifically, judging whether the first sub-target parameter is larger than a first voltage or not, wherein the first voltage is an induction threshold voltage;

if the first sub-target parameters meet a first preset condition, continuously transmitting first electromagnetic waves in a second period, and obtaining second sub-target parameters of the first electromagnetic waves;

judging whether the second sub-target parameter meets a second preset condition, specifically, whether the second sub-target parameter is larger than a first voltage or not and the variation range of the second sub-target parameter is smaller than a second voltage or not;

if the second sub-target parameters meet a second preset condition, alternately emitting second electromagnetic waves and first electromagnetic waves, and obtaining corresponding second target parameters and first target parameters so as to obtain a plurality of second target parameters and first target parameters;

And processing the second target parameters and the first target parameters to determine the material quality of the target object and the distance between the target object and the electronic equipment.

In this embodiment, the first sub-target parameter and the second sub-target parameter are the first target parameter of the first electromagnetic wave obtained after the first electromagnetic wave is emitted, and in the above embodiment, the emission periods of the first electromagnetic wave corresponding to the first sub-target parameter and the second sub-target parameter are different, so that the distinction is facilitated, and different naming is made here.

It should be further noted that, in the above embodiment, alternately emitting the second electromagnetic wave and the first electromagnetic wave, and obtaining the corresponding second target parameter and the first target parameter includes: stopping transmitting the first electromagnetic wave, and transmitting the second electromagnetic wave to obtain a second target parameter; stopping emitting the second electromagnetic wave, and emitting the first electromagnetic wave to obtain a first target parameter; stopping transmitting the first electromagnetic wave, and transmitting the second electromagnetic wave to obtain a second target parameter; stopping emitting the second electromagnetic wave, and emitting the first electromagnetic wave to obtain a first target parameter; this is repeated until a plurality of second target parameters and first target parameters are obtained.

Optionally, on the basis of the foregoing embodiment, in one embodiment of the present application, processing the plurality of second target parameters and the plurality of first target parameters, determining the material of the target object and the distance between the target object and the electronic device includes: after the second target parameters and the first target parameters are processed, determining the material quality of the target object and the distance between the target object and the electronic equipment by querying a database. The database stores materials of target objects corresponding to different first target parameter and second target parameter combinations and distances between the materials and the electronic equipment. It should be noted that, because the dielectric constant values of the objects with different materials are different, in this embodiment, the dielectric constant value of the target object is used to represent the material of the target object, and after the second target parameters and the first target parameters are processed, determining the material of the target object and the distance between the target object and the electronic device by querying the database includes:

after the second target parameters and the first target parameters are processed, determining the dielectric constant value of the target object and the distance between the target object and the electronic equipment by inquiring a database, wherein the database stores dielectric constant values of the target object and the distance between the dielectric constant value of the target object and the electronic equipment, which correspond to different first target parameters and second target parameter combinations;

And determining the material of the target object based on the dielectric constant value of the target object.

On the basis of any one of the foregoing embodiments, in one embodiment of the present application, the method further includes:

Optionally, in one embodiment of the present application, the method further includes: and if the target object is metal, maintaining the transmitting power of an antenna in the electronic equipment.

In summary, according to the processing method provided by the embodiment of the application, when an object approaches, the object enters the first radiation range of the first electromagnetic wave and the second radiation range of the second electromagnetic wave, the material of the approaching object can be determined based on the first target parameter of the first electromagnetic wave and the second target parameter of the second electromagnetic wave, so that when determining whether a human body approaches the electronic equipment, the detection precision can be improved, and when the human body approaches the electronic equipment, the emission power of an antenna in the electronic equipment is reduced, and the radiation to the human body is reduced.

In the present description, each part is described in a progressive manner, and each part is mainly described as different from other parts, and identical and similar parts between the parts are mutually referred.

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

1. An induction device, comprising:

a transmitting assembly for transmitting electromagnetic waves;

2. The inductive device of claim 1, the transmitting assembly comprising:

a first conductor;

the first conductor and the second conductor meet the coupling distance;

the sensing assembly includes:

3. The sensing device of claim 2, the first detection unit being a capacitive sensing element, the first target parameter being a voltage signal value, a reference voltage of the first target parameter being the target voltage;

4. A method of processing, the method comprising:

obtaining a first target parameter of a first electromagnetic wave emitted by electronic equipment, wherein the first target parameter is used for reflecting an electric field of the first electromagnetic wave;

5. The process of claim 4, the process further comprising:

6. The processing method of claim 4, determining a texture of a target object based on the first target parameter and the second target parameter comprising:

7. The process of claim 4, the process further comprising:

8. The processing method according to claim 7, wherein controlling the electronic device to emit the first electromagnetic wave and determining whether the first target parameter satisfies a preset condition comprises:

9. An electronic device, the electronic device comprising:

a transmitting assembly for transmitting electromagnetic waves;

10. The electronic device of claim 9, the transmitting component comprising

A target antenna radiator;

a first interface for enabling signal transmission between a first circuit and a capacitive sensing cell in the sensing assembly;

the second interface is used for realizing signal transmission between a second circuit and the output end of the inductance induction unit in the induction component;

and the third interface is used for realizing signal transmission between a third circuit and the input end of the inductance induction unit in the induction component.