CN113437493A - Electronic device - Google Patents
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- CN113437493A CN113437493A CN202110703148.1A CN202110703148A CN113437493A CN 113437493 A CN113437493 A CN 113437493A CN 202110703148 A CN202110703148 A CN 202110703148A CN 113437493 A CN113437493 A CN 113437493A
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- 230000009467 reduction Effects 0.000 claims abstract description 31
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 2
- 235000015055 Talinum crassifolium Nutrition 0.000 description 1
- 244000010375 Talinum crassifolium Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
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- 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
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- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/526—Electromagnetic shields
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Abstract
The application discloses electronic equipment belongs to terminal equipment technical field. The electronic device includes: the antenna unit is arranged on the side edge of the floor; the antenna unit includes a first antenna section and a second antenna section separated by a break; the first antenna section comprises a grounding point, a feeding point and at least one SAR reduction unit, and the at least one SAR reduction unit is positioned between the feeding point and the fracture; one end, far away from the fracture, of the second antenna section is grounded; the SAR unit that falls includes first groove and second groove, and first antenna section has first side and second side, and first groove extends to the second side from first side, and the second groove extends to first side from the second side. The SAR reducing unit is arranged on the antenna, current on the antenna flows along the slot through the first slot and the second slot of the SAR reducing unit, and reverse current is formed on two sides of the slot, so that energy distribution around the slot is more uniform, and the effect of reducing SAR is achieved.
Description
Technical Field
The application belongs to the technical field of terminal equipment, and particularly relates to electronic equipment.
Background
With the development and progress of mobile communication systems, the functions of mobile devices are more and more diversified, providing users with much convenience. However, when a human body approaches the mobile device, because each organ of the human body is a lossy medium, an induced electromagnetic field is generated in the human body under the action of an external electromagnetic field, and generates current to absorb and dissipate electromagnetic energy, and an electromagnetic wave Absorption ratio (SAR) is an electromagnetic wave energy Absorption ratio of a mobile phone or a wireless product and is used for measuring radio radiation energy actually absorbed by the human body.
Mobile devices have specified SAR limits and therefore SAR reduction is required in all kinds of devices. In some instances, reducing the radio frequency power or reducing the antenna efficiency is employed to achieve low SAR values, but this may reduce the overall active efficiency of the device.
Disclosure of Invention
The embodiment of the application provides an electronic device, which can solve the problem that the SAR value of the existing mobile device needs to be reduced by reducing the efficiency.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an electronic device is provided, including: the antenna unit is arranged on the side edge of the floor;
the antenna unit comprises a first antenna section and a second antenna section, the first antenna section and the second antenna section being separated by a break;
the first antenna section comprises a grounding point, a feeding point and at least one SAR reduction unit, the grounding point is located at one end, far away from the fracture, of the first antenna section, the feeding point is located between the grounding point and the fracture, and the at least one SAR reduction unit is located between the feeding point and the fracture; one end, far away from the fracture, of the second antenna section is grounded;
the SAR unit that falls includes first groove and second groove, first antenna section has first side and second side, first groove certainly first side to the second side extends, and affiliated second groove certainly the second side to the first side extends.
In an embodiment of the application, the electronic device includes an antenna unit and a floor, the antenna unit is disposed on a side of the floor, the antenna unit includes a first antenna section and a second antenna section, the first antenna section and the second antenna section are separated by a fracture, the first antenna section includes a ground point, a feed point and at least one SAR reduction unit, the ground point is located at one end of the first antenna section away from the fracture, the feed point is located between the ground point and the fracture, and the at least one SAR reduction unit is located between the feed point and the fracture; the one end ground connection that the fracture was kept away from to the second antenna section falls SAR unit and includes first groove and second groove, and first antenna section has first side and second side, and first groove extends from first side to the second side, and the second groove extends from the second side to the first side. The SAR unit that falls is set up on the antenna in this application embodiment, makes the electric current on the antenna flow along the groove through the first groove and the second groove that fall the SAR unit to form reverse current in groove both sides, can make the energy distribution around the groove more even, in order to reach and reduce the radiation that the human body absorbed, and then play the effect that falls the SAR.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of the antenna unit in fig. 1;
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 an embodiment of the present application;
fig. 5 is a schematic structural diagram of the antenna element of fig. 4;
fig. 6 is a schematic structural diagram of another antenna unit according to an embodiment of the present application.
In the figure, 110 — first antenna section; 111-ground point; 112-feeding point; 113-a reduced SAR unit; 1131 — first groove; 1132 — a second slot; 1141-a first side; 1142-a second side edge; 120-a second antenna section; 200-floor.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
An electronic device provided by the embodiment of the present application is described in detail below with reference to fig. 1 to 6 through specific embodiments and application scenarios thereof.
As shown, the electronic device may include: the antenna unit and the floor 200, the antenna unit is arranged on the side of the floor 200.
Specifically, the antenna unit comprises a first antenna section 110 and a second antenna section 120, the first antenna section 110 and the second antenna section 120 being separated by a break; the first antenna section 110 comprises a grounding point 111, a feeding point 112 and at least one SAR-reducing unit 113, the grounding point 111 is located at one end of the first antenna section 110 away from the fracture, the feeding point 112 is located between the grounding point 111 and the fracture, and the at least one SAR-reducing unit 113 is located between the feeding point 112 and the fracture; the end of the second antenna section 120 away from the break is grounded; the SAR unit 113 comprises a first slot 1131 and a second slot 1132, the first antenna section 110 has a first side 1141 and a second side 1142, the first slot 1131 extends from the first side 1141 to the second side 1142, and the second slot 1132 extends from the second side 1142 to the first side 1141.
The first antenna section 110 is connected to the floor 200 through the grounding point 111, so as to achieve the purpose of grounding the first antenna section 110.
That is, the first slot 1131 and the second slot 1132 are respectively disposed on two sides of the antenna along the length direction, and the extending directions of the first slot 1131 and the second slot 1132 are both not parallel to the length direction of the antenna, so that the current flowing through the antenna flows in opposite directions when flowing on two sides of the slot, thereby increasing the magnetic field energy at the first slot 1131 and the second slot 1132, and making the energy distribution of the antenna more uniform.
The number of the SAR reduction units 113 may be one or multiple, and is not limited in this application. If the number of the SAR reduction units 113 is one, the SAR reduction units 113 are disposed near the feeding point 112, and because the magnetic field energy at the feeding point 112 of the antenna is stronger, the magnetic field energy from the feeding point 112 can be dispersed through the first slot 1131 and the second slot 1132 in the SAR reduction unit 113, so as to reduce the local magnetic field energy, and further achieve the effect of SAR reduction.
The width of the first groove 1131 and the width of the second groove 1132 may be the same or different. The extension length of the first groove 1131 and the extension length of the second groove 1132 may be the same or different. When the number of the SAR reduction units 113 is multiple, the distances between the multiple SAR reduction units 113 may be the same or different; the distance between the extending direction of the first groove 1131 and the extending direction of the second groove 1132 may be the same or different.
The break between the first antenna section 110 and the second antenna section 120 separates the first antenna section 110 from the second antenna section 120, and the first antenna section 110 and the second antenna section 120 can transmit radio frequency energy by way of break coupling, which can generate resonance.
In the embodiment of the present application, the electronic device includes an antenna unit and a floor 200, the antenna unit is disposed on a side of the floor 200, the antenna unit includes a first antenna section 110 and a second antenna section 120, the first antenna section 110 and the second antenna section 120 are separated by a break, the first antenna section 110 includes a ground point 111, a feed point 112, and at least one SAR reduction unit 113, the ground point 111 is located at an end of the first antenna section 110 away from the break, the feed point 112 is located between the ground point 111 and the break, and the at least one SAR reduction unit 113 is located between the feed point 112 and the break; the end of the second antenna section 120 away from the break is grounded, the SAR unit 113 includes a first slot 1131 and a second slot 1132, the first antenna section 110 has a first side 1141 and a second side 1142, the first slot 1131 extends from the first side 1141 to the second side 1142, and the second slot 1132 extends from the second side 1142 to the first side 1141. The SAR unit 113 that falls is set up on the antenna in this application embodiment, makes the electric current on the antenna flow along the groove through the first groove 1131 and the second groove 1132 that fall SAR unit 113 to form reverse current in groove both sides, can make the energy distribution around the groove more even, in order to reach the radiation that reduces human absorption, and then play the effect that falls SAR.
In one possible embodiment of the present application, the first antenna section 110 includes a SAR reduction unit 113, and the distance from the SAR reduction unit 113 to the feed point 112 is smaller than the distance from the SAR reduction unit 113 to the break.
That is, the SAR reduction unit is disposed at a position close to the feeding point 112, that is, at a place where the magnetic field energy is stronger, so as to disperse the magnetic field energy, so that the distribution of the energy is more uniform, thereby achieving the effect of SAR reduction.
In one possible embodiment of the present application, the extending direction of the first groove 1131 is parallel to the extending direction of the second groove 1132.
In this embodiment of the application, the two parallel first slots 1131 and second slots 1132 enable the current to flow uniformly along the first slots 1131 and second slots 1132 in the opposite directions, so that the energy at the slots is more uniform, the energy of the whole magnetic field is more uniformly distributed, and the SAR reduction effect is further achieved.
Optionally, the extending direction of the first slot 1131 and the extending direction of the second slot 1132 are both perpendicular to the length direction of the first antenna section 110.
That is, the extending directions of the two slots are perpendicular to the length direction of the first antenna section 110, which can extend the current flowing length on the antenna, and further can reduce the length of the first antenna section 110, and reduce the overall occupied area of the antenna.
In one possible embodiment of the present application, the extension length of the first slot 1131 and/or the extension length of the second slot 1132 is one eighth of the operating wavelength of the antenna unit.
In the embodiment of the present application, in order to ensure reverse flow on both sides of the slot, the slot depths of the first slot 1131 and the second slot 1132 are not greater than one eighth of the operating wavelength of the first antenna section 110, but since the greater the slot depth is, the more the SAR value can be reduced, the closer the extension lengths of the first slot 1131 and the second slot 1132 are to one eighth of the operating wavelength of the antenna, the better the extension length of one slot is to one eighth of the operating wavelength of the antenna, the closer the extension length of the other slot is to one eighth of the operating wavelength of the antenna, or the extension lengths of both slots are to one eighth of the operating wavelength of the antenna.
Optionally, the first slot 1131 extends for a length equal to the extension of the second slot 1132.
That is, the extension length of the first groove 1131 is equal to the extension length of the second groove 1132, and is one eighth of the operating wavelength of the sweet heart, so that the magnetic field intensity around the groove can be further reduced, and the SAR value can be reduced. And the length of the antenna can be further reduced, and the whole area of the antenna can be reduced.
In one possible embodiment of the present application, the width of the first slot 1131 is the same as the width of the second slot 1132.
In this embodiment of the present application, the width of the first groove 1131 and the width of the second groove 1132 may be the same, so that the magnetic field strength around the groove becomes more uniform, the SAR value is further reduced, and the influence on the human body is reduced.
In one possible embodiment of the present application, the first antenna section 110 includes a plurality of SAR units 113, the plurality of SAR units 113 are uniformly distributed between the feeding point 112 and the break, and the first slot 1131 and the second slot 1132 of any two adjacent SAR units 113 are adjacently disposed.
In this embodiment, the first antenna section 110 may further include a plurality of SAR reduction units 113, that is, the entire antenna arm of the first antenna section 110 is loaded with the structure of the first slot 1131 and the second slot 1132 that are adjacently disposed, so that magnetic field energy on the entire first antenna section 110 may be more uniform, and the influence of the SAR value on the human body is reduced.
In one possible embodiment of the present application, a distance between the extending direction of the first slot 1131 and the extending direction of the second slot 1132 is equal to a distance between any two SAR reduction units 113.
In this embodiment, the distance between the extending direction of the first slot 1131 of the first SAR reduction unit 113 and the extending direction of the second slot 1132 is the same, the distance between the extending direction of the second slot 1132 of the first SAR reduction unit 113 and the extending direction of the first slot 1131 of the second SAR reduction unit 113 is the same, and the distance between the extending direction of the first slot 1131 of the second SAR reduction unit 113 and the extending direction of the second slot 1132 is the same. That is, the distances between all the slots are the same, that is, all the slots are uniformly distributed between the feeding point 112 and the break of the first antenna section 110, so that the magnetic field energy on the whole first antenna section 110 is more uniform, and the influence of the SAR value on the human body is reduced.
Further, the elongation of all the grooves may be equal.
Furthermore, the extension length of all the antennas is one eighth of the operating frequency band of the antenna.
In a specific embodiment of the present application, through the arrangement of the antenna, a test is performed with a distance between the antenna and a human body being 0mm, when the antenna is parallel to the human body, because magnetic field energy around the antenna is more uniform, the distance is lower than that of an antenna without a slot formed on the antenna, and when the antenna is perpendicular to the human body, because the slotted portion can radiate partial magnetic field energy to a far distance, the magnetic field energy entering the human body is reduced, and therefore, the distance is lower than that of an antenna without a slot formed on the antenna.
The electronic device in the application can be a mobile phone, a tablet personal computer and other devices, and is not specifically described in detail in the application, so that the actual situation is the standard.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An electronic device, comprising: the antenna unit is arranged on the side edge of the floor;
the antenna unit comprises a first antenna section and a second antenna section, the first antenna section and the second antenna section being separated by a break;
the first antenna section comprises a grounding point, a feeding point and at least one SAR reduction unit, the grounding point is located at one end, far away from the fracture, of the first antenna section, the feeding point is located between the grounding point and the fracture, and the at least one SAR reduction unit is located between the feeding point and the fracture; one end, far away from the fracture, of the second antenna section is grounded;
the SAR unit that falls includes first groove and second groove, first antenna section has first side and second side, first groove certainly first side to the second side extends, the second groove certainly the second side to first side extends.
2. The electronic device of claim 1, wherein the first antenna section comprises a SAR-reduction unit, and wherein a distance from the SAR-reduction unit to the feed point is less than a distance from the SAR-reduction unit to the break.
3. The electronic device according to claim 1, wherein an extending direction of the first groove is parallel to an extending direction of the second groove.
4. The electronic device of claim 3, wherein the extending direction of the first slot and the extending direction of the second slot are both perpendicular to the length direction of the first antenna section.
5. The electronic device of claim 1, wherein an extension length of the first slot and/or an extension length of the second slot is one eighth of an operating wavelength of the antenna element.
6. The electronic device of claim 5, wherein the first slot has an extension length equal to an extension length of the second slot.
7. The electronic device of claim 1, wherein a width of the first slot is the same as a width of the second slot.
8. The electronic device of claim 1, wherein the first antenna section comprises a plurality of SAR units, the plurality of SAR units are uniformly distributed between the feeding point and the fracture, and the first slot and the second slot of any two adjacent SAR units are adjacently arranged.
9. The electronic device of claim 8, wherein a distance between an extending direction of the first slot and an extending direction of the second slot is equal to a distance between any two of the SAR reduction units.
10. The electronic device of claim 8, wherein an extension length of the first slot is equal to an extension length of the second slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110703148.1A CN113437493B (en) | 2021-06-24 | 2021-06-24 | Electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110703148.1A CN113437493B (en) | 2021-06-24 | 2021-06-24 | Electronic equipment |
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| Publication Number | Publication Date |
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| CN113437493A true CN113437493A (en) | 2021-09-24 |
| CN113437493B CN113437493B (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110703148.1A Active CN113437493B (en) | 2021-06-24 | 2021-06-24 | Electronic equipment |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2901607Y (en) * | 2006-02-24 | 2007-05-16 | 斯凯科斯电子(深圳)有限公司 | Small double frequency MLA built-in antenna for cell phone |
| CN101292396A (en) * | 2005-10-17 | 2008-10-22 | 日本电气株式会社 | Antenna unit and communication device |
| CN101647152A (en) * | 2007-04-04 | 2010-02-10 | 株式会社Emw天线 | Broadband antenna of dual resonance |
| JP2013017023A (en) * | 2011-07-04 | 2013-01-24 | Hitachi Ltd | Wireless module and wireless terminal equipped with wireless module |
| WO2014161331A1 (en) * | 2013-07-23 | 2014-10-09 | 中兴通讯股份有限公司 | Antenna apparatus for terminal device |
| US20160190699A1 (en) * | 2014-12-26 | 2016-06-30 | Acer Incorporated | Mobile device |
| CN109728417A (en) * | 2018-12-29 | 2019-05-07 | 联想(北京)有限公司 | Antenna and its control method and electronic equipment |
| CN110459860A (en) * | 2019-06-29 | 2019-11-15 | RealMe重庆移动通信有限公司 | Shell component and electronic equipment afterwards |
| CN111697323A (en) * | 2020-06-18 | 2020-09-22 | Oppo广东移动通信有限公司 | Antenna module and terminal |
-
2021
- 2021-06-24 CN CN202110703148.1A patent/CN113437493B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101292396A (en) * | 2005-10-17 | 2008-10-22 | 日本电气株式会社 | Antenna unit and communication device |
| CN2901607Y (en) * | 2006-02-24 | 2007-05-16 | 斯凯科斯电子(深圳)有限公司 | Small double frequency MLA built-in antenna for cell phone |
| CN101647152A (en) * | 2007-04-04 | 2010-02-10 | 株式会社Emw天线 | Broadband antenna of dual resonance |
| JP2013017023A (en) * | 2011-07-04 | 2013-01-24 | Hitachi Ltd | Wireless module and wireless terminal equipped with wireless module |
| WO2014161331A1 (en) * | 2013-07-23 | 2014-10-09 | 中兴通讯股份有限公司 | Antenna apparatus for terminal device |
| US20160190699A1 (en) * | 2014-12-26 | 2016-06-30 | Acer Incorporated | Mobile device |
| CN109728417A (en) * | 2018-12-29 | 2019-05-07 | 联想(北京)有限公司 | Antenna and its control method and electronic equipment |
| CN110459860A (en) * | 2019-06-29 | 2019-11-15 | RealMe重庆移动通信有限公司 | Shell component and electronic equipment afterwards |
| CN111697323A (en) * | 2020-06-18 | 2020-09-22 | Oppo广东移动通信有限公司 | Antenna module and terminal |
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| CN113437493B (en) | 2023-05-16 |
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