CN112216976B - Antenna device of electronic device, control method thereof, storage medium and electronic device - Google Patents

Antenna device of electronic device, control method thereof, storage medium and electronic device Download PDF

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Publication number
CN112216976B
CN112216976B CN202011026824.8A CN202011026824A CN112216976B CN 112216976 B CN112216976 B CN 112216976B CN 202011026824 A CN202011026824 A CN 202011026824A CN 112216976 B CN112216976 B CN 112216976B
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Prior art keywords
connection point
control circuit
radiator
gap
point
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Chinese (zh)
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CN112216976A (en
Inventor
胡兴邦
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/378—Combination of fed elements with parasitic elements
    • H01Q5/385—Two or more parasitic elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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Abstract

The present disclosure relates to the field of antenna technologies, and in particular, to an antenna device of an electronic device, a control method of an antenna device of an electronic device, and a computer storage medium, where the device includes a first slot and a second slot, both of which are opened in a metal frame, and the metal frame between the first slot and the second slot is defined as a radiator; the feed source is connected to a first connecting point on the radiator, and the first connecting point is positioned on one side of the radiator, which is close to the second gap; the first control circuit is connected to a second connection point of the radiator, and the second connection point is positioned between the first connection point and the first gap and is used for adjusting the current magnitude between the first connection point and the second connection point; the second control circuit is connected to a third connection point of the radiator, and the third connection point is located between the first connection point and the second gap and is used for adjusting the current magnitude between the first connection point and the third connection point. The antenna can adjust the working state of the antenna and adjust the radiation frequency band of each working state.

Description

Antenna device of electronic device, control method thereof, storage medium and electronic device
Technical Field
The present disclosure relates to the field of antenna technology, and in particular, to an antenna device of an electronic device, a control method of the antenna device of the electronic device, and a computer storage medium.
Background
Electronic devices with metal frames are popular because of their good texture and are well liked by users, and in industrial designs using metal frames, the metal frames are designed into antennas to be called as an antenna design direction.
In the prior art, a metal frame is used as a part of an antenna, the metal frame is divided into unused parts through a gap, each part is used as a different antenna, and the antennas can be mutually switched, but after switching, each antenna cannot cover a plurality of frequency bands.
Therefore, it is necessary to design a new antenna device for an electronic apparatus.
It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the present disclosure and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
An object of the present disclosure is to provide an antenna device of an electronic device, a control method of the antenna device of the electronic device, and a computer storage medium, so as to overcome at least to a certain extent the problem that different antennas in the prior art cannot meet that each antenna can cover multiple frequency bands.
According to a first aspect of the present disclosure, there is provided an antenna device of an electronic apparatus, the electronic apparatus including a side metal bezel, comprising:
the first gap is formed in the metal frame;
the second gap is formed in the metal frame, and the metal frame between the first gap and the second gap is defined as a radiator;
the feed source is connected to a first connecting point on the radiator, and the first connecting point is positioned on one side of the radiator, which is close to the second gap;
the first control circuit is connected to a second connection point of the radiator, and the second connection point is positioned between the first connection point and the first gap and is used for adjusting the current magnitude between the first connection point and the second connection point;
and the second control circuit is connected to a third connection point of the radiator, and the third connection point is positioned between the first connection point and the second gap and is used for adjusting the current magnitude between the first connection point and the third connection point.
According to a second aspect of the present disclosure, there is provided an electronic device comprising:
the metal frame is arranged on one side of the electronic equipment;
an antenna device, the antenna device comprising:
The first gap is formed in the metal frame;
the second gap is formed in the metal frame, and the metal frame between the first gap and the second gap is defined as a radiator;
the feed source is connected to a first connecting point on the radiator, and the first connecting point is positioned on one side of the radiator, which is close to the second gap;
the first control circuit is connected to a second connection point of the radiator, and the second connection point is positioned between the first connection point and the first gap and is used for adjusting the current magnitude between the first connection point and the second connection point;
the second control circuit is connected to a third connection point of the radiator, and the third connection point is positioned between the first connection point and the second gap and is used for adjusting the current magnitude between the first connection point and the third connection point;
and the controller is used for detecting the space scene information of the electronic equipment and controlling the first control circuit and the second control circuit according to the space scene information so as to adjust the working state of the antenna device.
According to a third aspect of the present disclosure, there is provided a control method of an antenna device of an electronic apparatus, the electronic apparatus including a side metal bezel, the antenna device of the electronic apparatus including:
The first gap is formed in the metal frame;
the second gap is formed in the metal frame, and the metal frame between the first gap and the second gap is defined as a radiator;
the feed source is connected to a first connecting point on the radiator, and the first connecting point is positioned on one side of the radiator, which is close to the second gap;
the first control circuit is connected to a second connection point of the radiator, and the second connection point is positioned between the first connection point and the first gap and is used for adjusting the current magnitude between the first connection point and the second connection point;
the second control circuit is connected to a third connection point of the radiator, and the third connection point is positioned between the first connection point and the second gap and is used for adjusting the current magnitude between the first connection point and the third connection point;
the method comprises the following steps:
determining spatial scene information of the electronic equipment;
and controlling the first control circuit and the second control circuit according to the space scene information to adjust the working state of the antenna device.
According to a fourth aspect of the present disclosure, there is provided a computer readable medium having stored thereon a computer program which, when executed by a processor, implements the method described above.
According to the antenna device of the electronic equipment, the first gap and the second gap are respectively formed in the metal frame on one side of the electronic equipment, the metal frame between the first gap and the second gap is used as a radiator, the first connecting point of the feed source and the radiator and the current between the first connecting point of the first control circuit and the radiator are adjusted through the first control circuit, and meanwhile, the current between the first connecting point of the feed source and the radiator and the current between the first connecting point of the first control circuit and the radiator are adjusted through the second control circuit.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure. It will be apparent to those of ordinary skill in the art that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived from them without undue effort. In the drawings:
fig. 1 schematically illustrates a structural schematic diagram of an antenna device in an exemplary embodiment of the present disclosure;
fig. 2 schematically illustrates a structural schematic diagram of an antenna device when the first control circuit is an adjustable inductor in an exemplary embodiment of the present disclosure;
fig. 3 schematically illustrates a structural schematic diagram of an antenna device when the first control circuit is an adjustable capacitor in an exemplary embodiment of the present disclosure;
fig. 4 schematically illustrates a schematic structural diagram of an antenna device when the first control circuit is a plurality of shunt circuits and the shunt element is an inductor in an exemplary embodiment of the present disclosure;
fig. 5 schematically illustrates a schematic structural diagram of an antenna device when the first control circuit is a plurality of shunt circuits and the shunt element is a capacitor in an exemplary embodiment of the present disclosure;
Fig. 6 schematically illustrates a structural schematic diagram of an antenna device when the second control circuit is an adjustable inductor in an exemplary embodiment of the present disclosure;
fig. 7 schematically illustrates a structural diagram of an antenna device when the second control circuit is an adjustable capacitor in an exemplary embodiment of the present disclosure;
fig. 8 schematically illustrates a schematic structural diagram of an antenna device when the second control circuit is a plurality of shunt circuits and the shunt element is an inductor in an exemplary embodiment of the present disclosure;
fig. 9 schematically illustrates a schematic structural diagram of an antenna device when the second control circuit is a plurality of shunt circuits and the shunt element is a capacitor in an exemplary embodiment of the present disclosure;
fig. 10 schematically illustrates a structural diagram of an antenna device after a third control circuit is introduced in an exemplary embodiment of the present disclosure;
fig. 11 schematically illustrates a structural schematic diagram of an antenna device when the third control circuit is an adjustable inductor in an exemplary embodiment of the present disclosure;
fig. 12 schematically illustrates a structural diagram of an antenna device when the third control circuit is an adjustable capacitance in an exemplary embodiment of the present disclosure;
fig. 13 schematically illustrates a schematic structural diagram of an antenna device when the third control circuit is a plurality of shunt circuits and the shunt element is an inductance in an exemplary embodiment of the present disclosure;
Fig. 14 schematically illustrates a schematic structural diagram of an antenna device when the third control circuit is a plurality of shunt circuits and the shunt element is a capacitor in an exemplary embodiment of the present disclosure;
fig. 15 schematically illustrates a structural schematic diagram of an antenna device when the first control circuit, the second control circuit, and the third control circuit are all adjustable capacitors in an exemplary embodiment of the present disclosure;
fig. 16 schematically illustrates a schematic structural diagram of an antenna device when the first control circuit is an adjustable inductance, and the second control circuit and the third control circuit are both adjustable capacitances in an exemplary embodiment of the present disclosure;
fig. 17 schematically illustrates a structural diagram of an electronic device in an exemplary embodiment of the present disclosure;
fig. 18 schematically illustrates a schematic position structure of a PCB board of an electronic device in an exemplary embodiment of the present disclosure;
fig. 19 schematically illustrates the direction of PCB floor current excited in a first operating state in an exemplary embodiment of the present disclosure;
FIG. 20 schematically illustrates the direction of PCB floor current energized in a second operational state in an exemplary embodiment of the present disclosure;
fig. 21 schematically illustrates a flowchart of a control method of an antenna apparatus of an electronic device in an exemplary embodiment of the present disclosure.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in software or in one or more hardware modules or integrated circuits or in different networks and/or processor devices and/or microcontroller devices.
The present disclosure first proposes an antenna device of an electronic apparatus, referring to fig. 1, where the electronic apparatus includes a metal bezel on one side, and the device includes a first slot 51, a second slot 52, a feed 2, a first control circuit 1, and a second control circuit 3. The first gap 51 is formed in the metal frame; the second slit 52 is formed in the metal frame, and the metal frame between the first slit 51 and the second slit 52 is defined as the radiator 6; the feed source 2 is used for providing an excitation signal, the feed source 2 is connected to a first connecting point 62 on the radiator 6, and the first connecting point 62 is positioned on one side of the radiator 6 close to the second gap 52; the first control circuit 1 is connected to a second connection point 61 of the radiator 6, and the second connection point 61 is located between the first connection point 62 and the first slit 51, for adjusting the current magnitude between the first connection point 62 and the second connection point 61; the second control circuit 3 is connected to a third connection point 63 of the radiator 6, and the third connection point 63 is located between the first connection point 62 and the second slit 52, for adjusting the current magnitude between the first connection point 62 and the third connection point 63.
Compared with the prior art, the working state of the antenna device can be adjusted through the first control circuit 1 and the second control circuit 3, and meanwhile, the radiation frequency band of each working state can be adjusted through controlling the current, so that the antenna in each working state can cover a plurality of frequency bands, meanwhile, the antenna device can have a plurality of working states only by one feed source 2, and the design cost of the antenna device and the complexity of the antenna device are reduced.
In an example embodiment of the present disclosure, the electronic device may include an electronic device such as a mobile phone, a tablet computer, and at least one side of the electronic device is a metal frame, and a material of the metal frame may include a material such as stainless steel, aluminum, and the like.
In this example embodiment, the metal frame may be disposed on one side of the electronic device, for example, a top frame of a mobile phone, a right side frame of a tablet pc, etc., or may be disposed around the electronic device, and the metal frame is provided with a first gap 51 and a second gap 52, where the widths of the first gap 51 and the second gap 52 may be 0.5 mm, 1 mm, 1.5 mm, etc., and may be customized according to the needs of the user, and the metal frames on two sides of the first gap 51 and the second gap 52 may be equivalent to two capacitors connected in series. The metal border between the first slit 51 and the second slit 52 is defined as the radiator 6.
In this exemplary embodiment, the length of the radiator 6 may be about 50 mm, or may be user-defined, such as 55 mm, 90 mm, etc., and the length of the radiator 6 may be adjusted according to the size of the electronic device, which is not specifically limited in this exemplary embodiment.
In an exemplary embodiment of the present disclosure, the feed 2 is configured to provide an excitation signal, and is connected to the first linking point on the radiator 6, where the first linking point 62 is located on a side of the radiator 6 near the second slot 52. The feed 2 may be linked to active components, such as a battery, on an internal PCB of the electronic device using a cable.
Wherein the first connection point may be located at a side of the radiator 6 near the second slit 52 at a position of about 3/10 to 2/5 of the radiator 6, for example, a length of 50 mm of the radiator 6, and the first connection point 62 is located at a position of about 15 mm to 20 mm from the second slit 52; if the length of the radiator 6 is 60 mm, the first connection point 62 is located at a position about 18 mm to 24 mm from the second slit 52; the position of the first connection point 62 may also be customized according to the needs of the user, and is not specifically limited in this exemplary embodiment.
In an exemplary embodiment of the present disclosure, the first control circuit 1 is connected to the second connection point 61 of the radiator 6, the second connection point 61 is disposed between the first connection point 62 and the first slot 51, and the first control circuit 1 may be used to adjust the magnitude of the current between the first connection point 62 and the second connection point 61, so as to adjust the radiation frequency band of the radiator 6.
In the present exemplary embodiment, the second connection point 61 may be disposed at a side of the radiator 6 near the first slit 51 at a position of about 1/5 to 3/10 of the radiator 6, for example, a length of the radiator 6 is 50 mm, and the second connection point 61 is located at a position of about 10 mm to 15 mm from the first slit 51; if the length of the radiator 6 is 60 mm, the second connection point 61 is located at a position about 12 mm to 18 mm from the first slit 51; the location of the second connection point 61 may also be customized according to the needs of the user, and is not specifically limited in this exemplary embodiment.
In the present exemplary embodiment, referring to fig. 2 and 3, the first control circuit 1 may include an adjustable capacitor 12, an adjustable inductor 11, or a sliding resistor (not shown), fig. 2 shows a schematic diagram of an antenna device when the first control circuit 1 is the adjustable inductor 11, and fig. 3 shows a schematic diagram of the antenna device when the first control circuit 1 is the adjustable capacitor 12; the adjustable capacitance and the adjustable inductor are sized to control the magnitude of the current between the first connection point 62 and the second connection point 61.
In another example embodiment of the present disclosure, referring to fig. 4, the first control circuit 1 may include a plurality of shunt circuits disposed in parallel, the shunt circuits may include an inductance element and a switching element, and each of the shunt circuits includes a shunt circuit S10, a shunt circuit S11, a shunt circuit S12, a shunt circuit S13, and a shunt element of one of the shunt circuits S14 is shorted, so that the first control circuit 1 may complete direct grounding to complete maximum shunt. The switching element may be a conventional electronic switch or a drive switch supported by a transistor, for example, a switching transistor having a control terminal, a first terminal and a second terminal. Specifically, the control end of the switching transistor may be a gate, the first end may be a source, and the second end may be a drain; or the control terminal of the switching transistor may be the gate, the first terminal may be the drain, and the second terminal may be the source. In addition, the switching transistor may be an enhancement type transistor or a depletion type transistor, which is not particularly limited in the present exemplary embodiment. In addition, the switching transistor may be an N-type transistor or a P-type transistor, which is not particularly limited in the present exemplary embodiment.
In the present exemplary embodiment, the inductance of the inductance element of each shunt circuit may be the same or different, and the plurality of shunt circuits may change the shunt state of the entire first control circuit 1 by a switch for the purpose of controlling the current between the first connection point 62 and the second connection point 61, without being particularly limited in the present exemplary embodiment.
Referring to fig. 5, the shunt circuit may include a capacitive element and a switch, and includes a shunt circuit S15, a shunt circuit S16, a shunt circuit S17, and a shunt circuit S18, and a shunt element of one shunt circuit S19 is shorted, so that the first control circuit 1 can complete direct grounding to complete maximum shunt, where the switch element and the switch element are described in detail above, and therefore, the details are not repeated herein.
Similarly, the capacitance of the capacitive element on each shunt circuit may be the same or different, and in this exemplary embodiment, the shunt state of the entire first control circuit 1 may be changed by a switch by a plurality of ground shunt circuits, so as to achieve the purpose of controlling the current between the first connection point 62 and the second connection point 61.
In yet another example embodiment, the shunt circuit may further comprise a resistive element and a switching element, wherein the resistive element of one of the shunt circuits is shorted, i.e. wherein one of the shunt circuits comprises only one switching element.
In an exemplary embodiment, the switching elements on the plurality of shunt circuits may be replaced by a single-pole multi-position switch, that is, the plurality of switching elements arranged in parallel are replaced by a single-pole multi-position switching element, and the control of the current between the first connection point 62 and the second connection point 61 is performed by switching on different shunt elements.
In an exemplary embodiment of the present disclosure, the second control circuit 3 is connected to the third connection point 63 of the radiator 6, the third connection point 63 is disposed between the first connection point 62 and the second slot 52, and the first control circuit 1 may be used to adjust the magnitude of the current between the first connection point 62 and the third connection point 63, so as to adjust the radiation frequency band of the radiator 6.
In the present exemplary embodiment, the third connection point 63 may be disposed at a side of the radiator 6 near the second slit 52 at a position of about 1/5 to 3/10 of the radiator 6, for example, a length of the radiator 6 is 50 mm, and the second connection point 61 is located at a position of about 10 mm to 15 mm from the second slit 52; if the length of the radiator 6 is 60 mm, the second connection point 61 is located at a position about 12 mm to 18 mm from the second slit 52; the location of the second connection point 61 may also be customized according to the needs of the user, and is not specifically limited in this exemplary embodiment.
It should be noted that the number of the shunt circuits may be four, five, etc., or may be customized according to the user requirement, which is not specifically described in this exemplary embodiment.
In the present exemplary embodiment, referring to fig. 6 and 7, the second control circuit 3 may include an adjustable capacitance or an adjustable inductor, fig. 6 shows a schematic diagram of the antenna apparatus when the second control circuit 3 is the adjustable inductor 31, and fig. 7 shows a schematic diagram of the antenna apparatus when the second control circuit 3 is the adjustable capacitor 32; the adjustable capacitance and the adjustable inductor are sized to control the magnitude of the current between the first connection point 62 and the third connection point 63.
In another example embodiment of the present disclosure, referring to fig. 8, the second control circuit 3 may include a plurality of shunt circuits disposed in parallel, the shunt circuits may include an inductance element and a switching element, and the shunt circuits may include a shunt circuit S30, a shunt circuit S31, a shunt circuit S32, a shunt circuit S33, and a shunt circuit S34, respectively, wherein the shunt element of one shunt circuit S34 is short-circuited, so that the second control circuit 3 may complete direct grounding to complete maximum shunt. The switching element may be a conventional electronic switch or a switching transistor having a control terminal, a first terminal and a second terminal. Specifically, the control end of the switching transistor may be a gate, the first end may be a source, and the second end may be a drain; or the control terminal of the switching transistor may be the gate, the first terminal may be the drain, and the second terminal may be the source. In addition, the switching transistor may be an enhancement type transistor or a depletion type transistor, which is not particularly limited in the present exemplary embodiment. In addition, the switching transistor may be an N-type transistor or a P-type transistor, which is not particularly limited in the present exemplary embodiment.
In the present exemplary embodiment, the inductance of the inductance element of each shunt circuit may be the same or different, and the shunt state of the entire second control circuit 3 may be changed by a plurality of shunt circuits through a switch for the purpose of controlling the current between the second connection point 61 to the third connection point 63 without being particularly limited in the present exemplary embodiment.
Referring to fig. 9, the shunt circuit may include a capacitive element and a switch, and the shunt circuit may include an inductive element and a switch element, and include a shunt circuit S35, a shunt circuit S36, a shunt circuit S37, a shunt circuit S38, and a shunt circuit S39, respectively, wherein the shunt element of one shunt circuit S39 is short-circuited, so that the second control circuit 3 can complete direct grounding to complete maximum shunt. So that the second control circuit 3 can complete direct grounding and complete maximum shunt, the switching element has already been described in detail, and therefore, will not be described in detail here.
Similarly, the capacitance of the capacitive element on each shunt circuit may be the same or different, and in this exemplary embodiment, the shunt state of the entire second control circuit 3 may be changed by a switch by a plurality of ground shunt circuits, so as to achieve the purpose of controlling the current between the first connection point 62 and the third connection point 63.
In yet another example embodiment of the present disclosure, the shunt circuits may include resistors and switches (not shown), with the electrical groups of one shunt circuit being shorted, i.e., one shunt circuit including only switching elements.
In an exemplary embodiment, the switching elements on the plurality of shunt circuits may be replaced by a single-pole multi-position switch, that is, the plurality of switching elements arranged in parallel are replaced by a single-pole multi-position switching element, and the control of the current between the first connection point 62 and the second connection point 61 is performed by switching on different shunt elements.
It should be noted that the number of the shunt circuits may be four, five, etc., or may be customized according to the user requirement, which is not specifically described in this exemplary embodiment.
In an exemplary embodiment of the present disclosure, referring to fig. 10, the antenna apparatus of the present disclosure may further include a third control circuit 4, where the third control circuit 4 is connected between the feed 2 and the first connection point 62, and is configured to cooperate with the first control circuit 1 to adjust a current magnitude between the first connection point 62 and the second connection point 61; or for adjusting the magnitude of the current between the first connection point 62 and the third connection point 63 in cooperation with the second control circuit 3.
Referring to fig. 11 and 12, the third control circuit 4 may include an adjustable capacitor or an adjustable inductor, fig. 11 shows a schematic diagram of the antenna device when the third control circuit 4 is the adjustable inductor 41, and fig. 12 shows a schematic diagram of the antenna device when the third control circuit 4 is the adjustable capacitor 42; adjusting the size of the adjustable capacitor 42 and the adjustable inductor 41 to match with the first control circuit 1, and adjusting the current size between the first connection point 62 and the second connection point 61; or in cooperation with the second control circuit 3, adjusts the magnitude of the current between the first connection point 62 and the third connection point 63.
In another example embodiment of the present disclosure, referring to fig. 13, the third control circuit 4 may include a plurality of shunt circuits disposed in parallel, which may include an inductance element and a switching element, and shunt circuits S40, S41, S42, S43, S44, respectively, wherein the shunt element of one of the shunt circuits S44 is shorted, so that the first control circuit 1 may complete direct grounding, completing maximum shunt. The specific structure of the switching element has been described in detail above, and thus, will not be described here again.
In the present exemplary embodiment, the inductance of the inductance element of each shunt circuit may be the same or different, and the shunt state of the entire third control circuit 4 may be changed by a plurality of ground shunt circuits through a switch for the purpose of controlling the current between the first connection point 62 to the third connection point 63 without being particularly limited in the present exemplary embodiment.
Referring to fig. 14, the shunt circuit may include a capacitive element and a switch, and the shunt circuit may include an inductive element and a switch element, and include a shunt circuit S45, a shunt circuit S46, a shunt circuit S47, a shunt circuit S48, and a shunt circuit S49, respectively, wherein the shunt element of one shunt circuit S49 is short-circuited, so that the third control circuit 4 may complete direct grounding to complete maximum shunt. The switching element has been described in detail above, and thus, will not be described here again.
It should be noted that the number of the shunt circuits may be four, five, etc., or may be customized according to the user requirement, which is not specifically described in this exemplary embodiment.
Similarly, the capacitance of the capacitive element on each shunt circuit may be the same or different, and the shunt state of the entire third control circuit 4 may be changed by a plurality of ground shunt circuits through a switch without being specifically limited in this exemplary embodiment.
In another example embodiment, the shunt circuits in the third control circuit 4 may include resistors and switches (not shown), in which case the electrical group of one shunt circuit is short-circuited, i.e. one shunt circuit only includes a switching element.
In an exemplary embodiment, the switching elements on the plurality of shunt circuits may be replaced by a single-pole multi-position switch, that is, the plurality of switching elements arranged in parallel are replaced by a single-pole multi-position switching element, and the control of the current between the first connection point 62 and the second connection point 61 is performed by switching on different shunt elements.
In an example embodiment of the present disclosure, the antenna apparatus may further include parasitic radiators, namely, a first parasitic radiator 71 and a second parasitic radiator 72, where the first parasitic radiator 71 is located at a metal frame of the first slot 51 far from the second slot 52 and a metal frame of a side of the second slot 52 far from the first slot 51, for increasing a range of radiation frequencies of the antenna apparatus.
It should be noted that, the first control circuit 1, the second control circuit 3, and the third control circuit 4 each have various implementations, and when the present invention is applied, any combination of various embodiments may be used to achieve the purpose of controlling the stripline apparatus, for example, as shown in fig. 15, the first control circuit 1 includes the adjustable capacitor 12, the second control circuit 3 includes the adjustable capacitor 32, and the third control circuit 4 includes the adjustable capacitor 42, and for example, as shown in fig. 16, the first control circuit 1 is an adjustable inductor, the second control circuit 3 is the adjustable capacitor 32, and the third control circuit 4 is the adjustable capacitor 42; the arrangement includes a plurality of kinds, and is not particularly limited in this exemplary embodiment.
Further, the disclosure further provides an electronic device, which includes the antenna device and a controller, wherein the controller is used for generating control scene information of the electronic device, and controlling the working states of the antenna devices of the first control circuit 1 and the second control circuit 3 according to the control scene information.
The specific structure of the antenna device has been described in detail above, and thus, will not be described here again.
The controller is arranged in the electronic equipment and acquires control scene information of the electronic equipment through the sensor and the analog-to-digital conversion module. The electronic device may be a mobile phone, a tablet computer, etc., and is not particularly limited in the exemplary embodiment, and the electronic device will be described in detail below as an example of the mobile phone.
Referring to fig. 17 and 18, the electronic device may include a metal bezel, a display 8, a rear cover, and a printed circuit board 9 (Printed circuit boards PCB), and a PCB floor, which may be an FR-4 dielectric board, a rogers dielectric board, a logic thinking and FR-4 hybrid dielectric board, etc. in this example embodiment, the PCB floor is used for grounding various elements on the PCB to prevent electric shock and device damage.
The controller is integrated on the PCB and is configured to control the first control circuit 1 and the second control circuit 3 to adjust the working states of the antenna device, where the antenna device includes a first working state and a second working state, and the first working state and the second working state correspond to different spatial scene information respectively, as shown in fig. 17, when detecting that the metal frame between the first connection point 62 and the third connection point 63 senses pressure, for example, when a user normally uses a mobile phone, the user holds the lower end of the mobile phone, and the controller controls the second control circuit 3 so that the third connection point 63 is grounded, so that the antenna device enters the first working state.
The specific structures of the first control circuit 1 and the second control circuit 3 have been described in detail above, and thus are not described here again.
Specifically, when the second control circuit 3 includes an adjustable inductor, the adjustable inductor is adjusted to a short-circuit state; when the second control circuit 3 includes an adjustable capacitance, the adjustable capacitance is adjusted to a short-circuit state, and when the second control circuit 3 includes a plurality of shunt circuits, as shown with reference to fig. 8, a switching element in the shunt circuit that controls the shunt element to be short-circuited is closed.
In this exemplary embodiment, the controller controls the first control circuit 1 to adjust the current between the first connection point 62 and the second connection point 61, so as to control the radiation frequency band of the antenna device in the first operating state.
In an example embodiment of the present disclosure, the antenna apparatus may further include the third control circuit 4, and the specific structure of the third control circuit 4 is described in detail above, which is not described herein. At this time, the controller may control the third control circuit 4 and the first control circuit 1 to adjust the radiation frequency band of the antenna device in the first working state, and adjust the current by adopting two control point paths, so as to more accurately adjust the current between the first link point and the second connection point 61, and further more accurately adjust the radiation frequency band.
When it is detected that the metal frame between the first connection point 62 and the second connection point 61 is pressed, or when it is detected that the user's head is close to the radiator 6 between the first connection point 62 and the second connection point, for example, when the user uses the mobile phone to make a call, the user holds the mobile phone relatively close to the upper part of the mobile phone, and the controller controls the first control circuit 1 so that the second connection point 61 is grounded, so that the antenna device enters the second working state.
Specifically, when the first control circuit 1 includes an adjustable inductor, the adjustable inductor is adjusted to a short-circuit state; when the first control circuit 1 includes an adjustable capacitance, the adjustable capacitance is adjusted to a short-circuit state, and when the first control circuit 1 includes a plurality of shunt circuits, as shown with reference to fig. 8, a switching element in the shunt circuit that controls the shunt element to be short-circuited is closed.
In this exemplary embodiment, the controller controls the second control circuit 3 to adjust the current between the first connection point 62 and the third connection point 63, so as to control the radiation frequency band of the antenna device in the second working state.
In an exemplary embodiment of the present disclosure, the antenna apparatus may further include the third control circuit 4, and the specific structure of the third control circuit 4 is described in detail above, which is not described herein. At this time, the controller may control the third control circuit 4 and the second control circuit 3 to adjust the radiation frequency band of the antenna device in the second working state, and adjust the current by adopting two control point paths, so that the current between the first link point and the third connection point 63 can be adjusted more accurately, and the radiation frequency band can be adjusted more accurately. The second operating state enables the radiating portion to be far away from the head, SAR (Specific Absorption Rate, electromagnetic wave absorption ratio) is small, and tuner amplitude reduction is small.
Referring to fig. 19 and 20, when the antenna device is in the first operation state, it is obtained by the theory of the characteristic mode that the longitudinal floor current is excited on the PCB floor 10, and when the antenna device is in the second operation state, the transverse floor current is excited on the PCB floor 10, so that the degree of freedom of the horizon is poorer in the first operation state than in the second operation state, but because the radiator 6 is closer to the turning point of the mobile phone frame in the first operation state, the high frequency performance of the first operation state is better.
When a user plays a game by using electronic equipment (such as a mobile phone), the pressure condition on the radiator 6 can be detected in real time, so that the antenna device is switched between the first working state and the second working state, the phenomenon that the game is blocked due to signal receiving is prevented, and the user experience is improved.
In this exemplary embodiment, when the pressure of the radiator 6 is detected, a pressure sensor may be used to detect, infrared rays or ultrasonic waves may be used to detect the position of the user's head from the radiator 6 between the first connection point and the second connection point 61, and the operation mode of the mobile phone may be directly collected to determine whether the mobile phone is in a call state.
The exemplary embodiment of the present disclosure also provides a control method based on an antenna device of an electronic apparatus as shown in fig. 1, referring to fig. 21, including:
step S2110, determining the space scene information of the electronic equipment;
step S2120, controlling the first control circuit and the second control circuit according to the spatial scene information to adjust the working state of the antenna device.
The steps may be executed by a controller in the electronic device, and the specific execution process may refer to the description of the controller of the stator device, which is not repeated herein.
Exemplary embodiments of the present disclosure also provide a computer-readable storage medium having stored thereon a program product capable of implementing the method described above in the present specification. In some possible implementations, various aspects of the disclosure may also be implemented in the form of a program product comprising program code for causing a terminal device to carry out the steps according to the various exemplary embodiments of the disclosure as described in the "exemplary methods" section of this specification, when the program product is run on the terminal device.
It should be noted that the computer readable medium shown in the present disclosure may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
In the context of this disclosure, a computer-readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present disclosure, however, the computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with the computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
Furthermore, the program code for carrying out operations of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device, partly on a remote computing device, or entirely on the remote computing device or server. In the case of remote computing devices, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., connected via the Internet using an Internet service provider).
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
The above described features, structures or characteristics may be combined in any suitable manner in one or more embodiments, such as the possible, interchangeable features as discussed in connection with the various embodiments. In the above description, numerous specific details are provided to give a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the inventive aspects may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the invention.
The terms "about" and "approximately" are used in this specification to generally mean within 20%, preferably within 10%, and more preferably within 5% of a given value or range. The numbers given herein are about numbers, meaning that the meaning of "about," "approximately" may still be implied without specific recitation.
Although relative terms such as "upper" and "lower" are used in this specification to describe the relative relationship of one component of an icon to another component, these terms are used in this specification for convenience only, such as in terms of the orientation of the examples described in the figures. It will be appreciated that if the device of the icon is flipped upside down, the recited "up" component will become the "down" component. Other relative terms such as "high," "low," "top," "bottom," "front," "back," "left," "right," etc. are also intended to have similar meanings. When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure through another structure.
In the present specification, the terms "a," "an," "the," "said" and "at least one" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements/components/etc., in addition to the listed elements/components/etc.; the terms "first," "second," and "third," etc. are used merely as labels, and do not limit the number of their objects.
It should be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the specification. The invention is capable of other embodiments and of being practiced and carried out in various ways. The foregoing variations and modifications are intended to fall within the scope of the present invention. It should be understood that the invention disclosed and defined in this specification extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. All of these different combinations constitute various alternative aspects of the present invention. The embodiments described in this specification illustrate the best mode known for carrying out the invention and will enable those skilled in the art to make and use the invention.

Claims (17)

1. An antenna assembly for an electronic device, the electronic device including a side metal bezel, the assembly comprising:
the first gap is formed in the metal frame;
the second gap is formed in the metal frame, and the metal frame between the first gap and the second gap is defined as a radiator;
the feed source is connected to a first connecting point on the radiator, and the first connecting point is positioned on one side of the radiator, which is close to the second gap;
the first control circuit is connected to a second connection point of the radiator, and the second connection point is positioned between the first connection point and the first gap and is used for adjusting the current magnitude between the first connection point and the second connection point; for grounding the second connection point in response to the metal bezel between the first connection point and the second connection point sensing pressure or detecting a user's head approaching the radiator between the first connection point and the second connection point;
the second control circuit is connected to a third connection point of the radiator, and the third connection point is positioned between the first connection point and the second gap and is used for adjusting the current magnitude between the first connection point and the third connection point; and the third connecting point is grounded in response to the metal frame between the first connecting point and the third connecting point sensing pressure.
2. The apparatus of claim 1, wherein the apparatus further comprises:
the third control circuit is connected between the feed source and the first connection point and is used for being matched with the first control circuit to adjust the current magnitude between the first connection point and the second connection point; or (b)
The first control circuit is used for being matched with the second control circuit to adjust the current magnitude between the first connection point and the third connection point.
3. The apparatus of claim 2, wherein the first control circuit, the second control circuit, and the third control circuit each comprise an adjustable capacitance or an adjustable inductor.
4. The apparatus of claim 2, wherein the first control circuit comprises a plurality of shunt circuits arranged in parallel, the shunt circuits comprising:
a shunt element including an inductance element, a capacitance element, or a resistance element;
a switching element disposed in series with the shunt element;
the shunt element of one shunt circuit is short-circuited;
the structure of the second control circuit and the structure of the third control circuit are the same as those of the first control circuit.
5. The apparatus of claim 1, wherein the metal bezel comprises a first end and a second end, the first end being proximate to the first slot and both the first end and the second end being grounded, the apparatus further comprising a parasitic radiator comprising a first parasitic radiator and a second parasitic radiator;
The first parasitic radiator comprises a metal frame between a first gap and a first end of the metal frame;
the second parasitic radiator includes a metal bezel between the second slot and the second end of the metal bezel.
6. The apparatus of claim 1, wherein the second connection point is proximate to the first gap; the third connection point is proximate to the first connection point.
7. An electronic device, comprising:
the metal frame is arranged on one side of the electronic equipment;
an antenna device, the antenna device comprising:
the first gap is formed in the metal frame;
the second gap is formed in the metal frame, and the metal frame between the first gap and the second gap is defined as a radiator;
the feed source is connected to a first connecting point on the radiator, and the first connecting point is positioned on one side of the radiator, which is close to the second gap;
the first control circuit is connected to a second connection point of the radiator, and the second connection point is positioned between the first connection point and the first gap and is used for adjusting the current magnitude between the first connection point and the second connection point;
The second control circuit is connected to a third connection point of the radiator, and the third connection point is positioned between the first connection point and the second gap and is used for adjusting the current magnitude between the first connection point and the third connection point;
the controller is used for detecting the space scene information of the electronic equipment and controlling the first control circuit and the second control circuit according to the space scene information so as to adjust the working state of the antenna device, wherein the working state comprises a first working state and a second working state;
the controller is used for responding to the pressure sensed by the metal frame between the first connecting point and the second connecting point or detecting that the head of the user is close to the radiator between the first connecting point and the second connecting point, controlling the first control circuit to enable the second connecting point to be grounded and enter the second working state; or (b)
And the second control circuit is used for responding to the pressure sensed by the metal frame between the first connecting point and the third connecting point, so that the third connecting point is grounded and enters the first working state.
8. The electronic device of claim 7, wherein the antenna arrangement comprises a first operational state and a second operational state;
If the space scene information corresponds to the first working state, the controller controls the second control circuit to enable the third connection point to be grounded, and controls the first control circuit to adjust the current magnitude between the first connection point and the third connection point;
and if the space scene information corresponds to the second working state, the controller controls the first control circuit to enable the second connection point to be grounded, and controls the second control circuit to adjust the current magnitude between the second connection point and the third connection point.
9. The electronic device of claim 8, wherein the antenna arrangement further comprises: the third control circuit is connected between the feed source and the first connection point and is used for being matched with the first control circuit to adjust the current magnitude between the first connection point and the second connection point; or (b)
The first control circuit is used for being matched with the second control circuit to adjust the current magnitude between the first connection point and the third connection point.
10. The electronic device of claim 9, wherein if the spatial scene information corresponds to the first operating state, the controller controls the second control circuit to ground the third connection point, and the controller controls the first control circuit and the third control circuit to adjust the radiation frequency of the radiator.
11. The electronic device of claim 9, wherein if the spatial scene information corresponds to the second operating state, the controller controls the first control circuit such that the second connection point is grounded, and the controller controls the second control circuit and the third control circuit to adjust the radiation frequency of the radiator.
12. A control method of an antenna device of an electronic apparatus, wherein the electronic apparatus includes a metal frame on one side, the antenna device of the electronic apparatus includes:
the first gap is formed in the metal frame;
the second gap is formed in the metal frame, and the metal frame between the first gap and the second gap is defined as a radiator;
the feed source is connected to a first connecting point on the radiator, and the first connecting point is positioned on one side of the radiator, which is close to the second gap;
the first control circuit is connected to a second connection point of the radiator, and the second connection point is positioned between the first connection point and the first gap and is used for adjusting the current magnitude between the first connection point and the second connection point;
the second control circuit is connected to a third connection point of the radiator, and the third connection point is positioned between the first connection point and the second gap and is used for adjusting the current magnitude between the first connection point and the third connection point;
The method comprises the following steps:
determining spatial scene information of the electronic equipment;
controlling the first control circuit and the second control circuit according to the space scene information to adjust the working state of the antenna device; the working states comprise a first working state and a second working state;
the controlling the first control circuit and the second control circuit according to the spatial scene information to adjust the working state of the antenna device includes:
responding to the pressure sensed by the metal frame between the first connecting point and the second connecting point, or detecting that the head of a user is close to the radiator between the first connecting point and the second connecting point, controlling the first control circuit to enable the second connecting point to be grounded and enter the second working state; or (b)
And responding to the pressure sensed by the metal frame between the first connecting point and the third connecting point, and controlling the second control circuit to enable the third connecting point to be grounded and enter the first working state.
13. The method of claim 12, wherein the antenna arrangement comprises a first operating state and a second operating state;
If the space scene information corresponds to the first working state, controlling the second control circuit to enable the third connection point to be grounded, and controlling the first control circuit to adjust the current magnitude between the first connection point and the third connection point;
and if the space scene information corresponds to the second working state, controlling the first control circuit to enable the second connection point to be grounded, and controlling the second control circuit to adjust the current magnitude between the second connection point and the third connection point.
14. The method of claim 13, wherein the antenna device further comprises: the third control circuit is connected between the feed source and the first connection point and is used for being matched with the first control circuit to adjust the current magnitude between the first connection point and the second connection point; or (b)
The first control circuit is used for being matched with the second control circuit to adjust the current magnitude between the first connection point and the third connection point.
15. The method of claim 14, wherein if the spatial scene information corresponds to the first operating state, controlling the second control circuit to ground the third connection point, and controlling the first control circuit and the third control circuit to adjust the radiation frequency of the radiator.
16. The method of claim 14, wherein if the spatial scene information corresponds to the second operating state, controlling the first control circuit to ground the second connection point, and controlling the second control circuit and the third control circuit to adjust the radiation frequency of the radiator.
17. A computer-readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements a method of controlling an antenna arrangement of an electronic device according to any one of claims 12 to 16.
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