CN110336116A - A kind of terminal antenna component, antenna system and communication terminal - Google Patents
A kind of terminal antenna component, antenna system and communication terminal Download PDFInfo
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- CN110336116A CN110336116A CN201910575374.9A CN201910575374A CN110336116A CN 110336116 A CN110336116 A CN 110336116A CN 201910575374 A CN201910575374 A CN 201910575374A CN 110336116 A CN110336116 A CN 110336116A
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- frequency switch
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- radiation part
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- 238000004891 communication Methods 0.000 title claims description 13
- 230000005855 radiation Effects 0.000 claims abstract description 179
- 238000009413 insulation Methods 0.000 claims abstract description 38
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000010586 diagram Methods 0.000 description 4
- ZHBBDTRJIVXKEX-UHFFFAOYSA-N 1-chloro-2-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=CC=CC=2)Cl)=C1 ZHBBDTRJIVXKEX-UHFFFAOYSA-N 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000005404 monopole Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- 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
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of terminal antenna components, comprising: current feed department；Metal edge frame, the one end of metal edge frame are irradiation unit, and the first side of end is the first irradiation unit；Second side of end is the second irradiation unit；The interlude of end is third irradiation unit；One end of electrical feeding connections, electrical feeding connections is electrically connected with current feed department, and the other end of electrical feeding connections is electrically connected with third irradiation unit；First RF switch, the first irradiation unit are electrically connected close to the side of the first insulation layer with the first RF switch, and third irradiation unit is electrically connected close to the side of the first insulation layer with the first RF switch；Second RF switch, the second irradiation unit are electrically connected close to the side of the second insulation layer with the second RF switch, and third irradiation unit is electrically connected close to the side of the second insulation layer with the second RF switch；The corresponding different aerial radiation mode of the opening and closing of first RF switch or the second RF switch.The terminal antenna component has multiple-working mode, and the radiance of antenna can be adjusted according to use environment.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a terminal antenna assembly, an antenna system and a communication terminal.
Background
The miniaturization multi-band built-in antenna is always the development direction of the handheld communication terminal antenna. Existing antenna forms include multi-band monopole antennas (monopole antenna), single and dual loop antennas (single loop and dual loop antennas), inverted-folded antennas (IFA), and planar inverted-folded antennas (PIFA). Different antenna forms can be selected according to different requirements.
Typically, the mobile terminal device comprises a 2G, 3G, 4G network with frequency ranges of 0.69GHz-0.96GHz, 1.71GHz-2.69 GHz. With the continuous development of communication technology, most mobile phones in the market need antennas to simultaneously meet the traditional 2G/3G network frequency band and LTE frequency band, but the thickness of the mobile phones is thinner and thinner, the screen occupation ratio is larger and larger, the design requirement on the antennas is higher and higher, and the traditional antennas are difficult to meet the requirement of customers.
Because most of metal frame mobile phones use the metal frame as an antenna radiator, when a user holds the mobile phone in the using process, the left hand and the right hand respectively cause performance reduction of different frequency bands of the antenna, and the standards and requirements of some operators may not be met in different layout environments.
Disclosure of Invention
The technical purpose of the invention is to provide a terminal antenna assembly, an antenna system and a communication terminal, wherein the terminal antenna assembly, the antenna system and the communication terminal have multiple working modes and can adjust the radiation performance of an antenna according to the use environment.
In order to solve the problems, the technical scheme of the invention is as follows:
a terminal antenna assembly, comprising:
a feeding section;
the radiation device comprises a metal frame, a first radiation part and a second radiation part, wherein one end part of the metal frame is the radiation part, and the first side of the end part is the first radiation part; the second side of the end part is a second radiation part; the middle section of the end part is a third radiation part; a first insulating area is arranged between the first radiation part and the third radiation part; a second insulating region is arranged between the second radiation part and the third radiation part;
a feed connection portion, one end of which is electrically connected with the feed portion and the other end of which is electrically connected with the third radiation portion;
the first radio frequency switch is electrically connected with one side of the first radiation part close to the first insulation area, and the third radiation part is electrically connected with the first radio frequency switch;
the side, close to the second insulating area, of the second radiation part is electrically connected with the second radio frequency switch, and the side, close to the second insulating area, of the third radiation part is electrically connected with the second radio frequency switch;
wherein,
the opening and closing of the first radio frequency switch and/or the second radio frequency switch correspond to different antenna radiation modes.
According to an embodiment of the present invention, a first screw hole is disposed on one side of the first radiation portion close to the first insulation region, a first screw is fixed in the first screw hole, and the first screw is electrically connected to the first radio frequency switch;
a second screw hole is formed in one side, close to the first insulating area, of the third radiation part, a second screw is fixed in the second screw hole, and the second screw is electrically connected with the first radio frequency switch;
a third screw hole is formed in one side, close to the second insulating area, of the second radiation part, a third screw is fixed in the third screw hole, and the third screw is electrically connected with the second radio frequency switch;
and a fourth screw hole is formed in one side, close to the second insulating area, of the third radiation part, a fourth screw is fixed in the fourth screw hole, and the fourth screw is electrically connected with the second radio frequency switch.
According to an embodiment of the present invention, a first elastic pin is disposed on one side of the first radiation portion close to the first insulation region, and the first elastic pin is electrically connected to the first radio frequency switch;
a second elastic pin is arranged on one side, close to the first insulating area, of the third radiation part, and the second elastic pin is electrically connected with the first radio frequency switch;
a third elastic pin is arranged on one side, close to the second insulating area, of the second radiation part, and the third elastic pin is electrically connected with the second radio frequency switch;
and a fourth elastic pin is arranged on one side of the third radiation part close to the second insulation area and electrically connected with the second radio frequency switch.
According to an embodiment of the invention, the first radio frequency switch and/or the second radio frequency switch comprises a radio frequency switching tube or a PIN diode.
According to an embodiment of the present invention, the first insulating region and/or the second insulating region is a slit structure.
Based on the same concept, the invention provides a terminal antenna system, which comprises:
a controller; and
the terminal antenna assembly of the above embodiment;
the controller is electrically connected with the feed part, the first radio frequency switch and the second radio frequency switch;
the controller is configured to adjust the opening and closing of the first radio frequency switch and/or the second radio frequency switch according to a feeding signal of the feeding portion so as to realize the adjustment of the radiation performance of the antenna.
According to an embodiment of the present invention, the controller is configured to adjust the opening and closing of the first radio frequency switch and/or the second radio frequency switch according to a back-off value of a feed signal of the feeding section.
Based on the same conception, the invention provides an antenna system of a handheld terminal, which comprises:
the PCB board of the handheld terminal;
a feeding section;
one end part of the metal frame is a radiation part, and the first side of the end part is a first radiation part; the second side of the end part is a second radiation part; the middle section of the end part is a third radiation part; a first insulating area is arranged between the first radiation part and the third radiation part; a second insulating region is arranged between the second radiation part and the third radiation part;
a feed connection portion, one end of which is electrically connected with the feed portion and the other end of which is electrically connected with the third radiation portion;
the first radio frequency switch is electrically connected with one side of the first radiation part close to the first insulation area, and the third radiation part is electrically connected with the first radio frequency switch;
the side, close to the second insulating area, of the second radiation part is electrically connected with the second radio frequency switch, and the side, close to the second insulating area, of the third radiation part is electrically connected with the second radio frequency switch;
wherein,
the PCB is electrically connected with the feed part, the first radio frequency switch and the second radio frequency switch; the PCB is configured to judge whether the hand-held terminal is being used by the left hand or the right hand according to the backspacing value of the antenna performance change, and then the opening and closing of the first radio frequency switch and/or the second radio frequency switch are adjusted to realize the adjustment of the antenna radiation performance.
According to an embodiment of the present invention, a first screw hole is disposed on one side of the first radiation portion close to the first insulation region, a first screw is fixed in the first screw hole, and the first screw is electrically connected to the first radio frequency switch;
a second screw hole is formed in one side, close to the first insulating area, of the third radiation part, a second screw is fixed in the second screw hole, and the second screw is electrically connected with the first radio frequency switch;
a third screw hole is formed in one side, close to the second insulating area, of the second radiation part, a third screw is fixed in the third screw hole, and the third screw is electrically connected with the second radio frequency switch;
and a fourth screw hole is formed in one side, close to the second insulating area, of the third radiation part, a fourth screw is fixed in the fourth screw hole, and the fourth screw is electrically connected with the second radio frequency switch.
According to an embodiment of the present invention, a first elastic pin is disposed on one side of the first radiation portion close to the first insulation region, and the first elastic pin is electrically connected to the first radio frequency switch;
a second elastic pin is arranged on one side, close to the first insulating area, of the third radiation part, and the second elastic pin is electrically connected with the first radio frequency switch;
a third elastic pin is arranged on one side, close to the second insulating area, of the second radiation part, and the third elastic pin is electrically connected with the second radio frequency switch;
and a fourth elastic pin is arranged on one side of the third radiation part close to the second insulation area and electrically connected with the second radio frequency switch.
According to an embodiment of the invention, the first radio frequency switch and/or the second radio frequency switch comprises a radio frequency switching tube or a PIN diode.
Based on the same concept, the invention provides a communication terminal, which comprises the terminal antenna assembly in the embodiment or comprises the antenna system in the embodiment.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
the terminal antenna assembly in the embodiment of the invention comprises three radiating parts, wherein a first insulating area is arranged between a first radiating part and a third radiating part; a second insulating region is arranged between the second radiation part and the third radiation part; the first radiation part and the third radiation part are electrically connected through the first radio frequency switch, the second radiation part and the third radiation part are electrically connected through the second radio frequency switch, different radiation parts can be selected to participate in the radiation of the antenna by controlling the opening and closing of the first radio frequency switch and the second radio frequency switch, and the work of different radiation parts can be adjusted according to the working environment of the terminal antenna so as to realize the optimal antenna performance of the terminal. The terminal antenna assembly has multiple working modes, and the radiation performance of the antenna can be adjusted according to the use environment.
Drawings
Fig. 1 is a structural diagram of a terminal antenna assembly and a communication terminal according to the present invention;
FIG. 2 is a structural diagram of a terminal antenna assembly of the present invention;
FIG. 3 is a schematic diagram of an RF switch according to the present invention;
fig. 4 is a structural diagram of another rf switch of the present invention.
Description of reference numerals:
1: a feeding section;
2: a metal frame; 201: a first radiation section; 202: a second radiation section; 203: a third radiation section; 204: a first insulating region; 205: a second insulating region; 206: a first screw; 207: a second screw; 208: a third screw; 209: a fourth screw;
3: a feed connection portion;
4: a first radio frequency switch; 401: a radio frequency on-off device; 402: a reactor;
5: a second radio frequency switch;
6: and (7) a PCB board.
Detailed Description
The following describes a terminal antenna assembly, an antenna system and a communication terminal in further detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims.
Example 1
A terminal antenna assembly, comprising: a feeding section 1; one end part of the metal frame 2 is a radiation part, and the first side of the end part is a first radiation part 201; the second side of the end portion is a second radiating portion 202; the middle section of the end part is a third radiation part 203; a first insulating area 204 is arranged between the first radiation part 201 and the third radiation part 203; a second insulating region 205 is arranged between the second radiation part 202 and the third radiation part 203; a feed connection portion 3, one end of the feed connection portion 3 being electrically connected to the feed portion 1, and the other end of the feed connection portion 3 being electrically connected to the third radiation portion 203; the first radio frequency switch 4 is electrically connected with one side of the first radiation part 201 close to the first insulation area 204, and the third radiation part 203 close to the first insulation area 204 is electrically connected with the first radio frequency switch 4; a second radio frequency switch 5, wherein one side of the second radiation part 202 close to the second insulation region 205 is electrically connected with the second radio frequency switch 5, and one side of the third radiation part 203 close to the second insulation region 205 is electrically connected with the second radio frequency switch 5; the first radio frequency switch 4 and/or the second radio frequency switch 5 are/is switched on and off corresponding to different antenna radiation modes.
The terminal antenna assembly in this embodiment includes three radiating portions, wherein a first insulating region 204 is disposed between the first radiating portion 201 and the third radiating portion 203; a second insulating region 205 is arranged between the second radiation part 202 and the third radiation part 203; the first radiation part 201 and the third radiation part 203 are electrically connected through the first radio frequency switch 4, the second radiation part 202 and the third radiation part 203 are electrically connected through the second radio frequency switch 5, different radiation parts can be selected to participate in the radiation of the antenna by controlling the opening and closing of the first radio frequency switch 4 and the second radio frequency switch 5, and the work of different radiation parts can be adjusted according to the working environment of the terminal antenna so as to realize the optimal antenna performance of the terminal.
Specifically, the first insulating region 204 and/or the second insulating region 205 are a slit structure. The first insulating region 204 and the second insulating region 205 are used to cut off the direct electrical connection between the third radiation portion 203 and the first radiation portion 201 and the second radiation portion 202 on two sides thereof, and the first insulating region 204 and the second insulating region 205 may also be insulating media which can make the third radiation portion 203 physically connected with the first radiation portion 201 and the second radiation portion 202 on two sides thereof, but do not have an electrical connection function.
Further, a first screw 206 hole is formed in one side of the first radiation portion 201 close to the first insulation region 204, a first screw 206 is fixed in the first screw 206 hole, and the first screw 206 is electrically connected with the first radio frequency switch 4; a second screw 207 hole is formed in one side, close to the first insulating region 204, of the third radiation part 203, a second screw 207 is fixed in the second screw 207 hole, and the second screw 207 is electrically connected with the first radio frequency switch 4; a third screw 208 hole is formed in one side, close to the second insulating region 205, of the second radiation part 202, a third screw 208 is fixed in the third screw 208 hole, and the third screw 208 is electrically connected with the second radio frequency switch 5; a fourth screw 209 hole is formed in one side, close to the second insulating region 205, of the third radiation portion 203, a fourth screw 209 is fixed in the fourth screw 209 hole, and the fourth screw 209 is electrically connected with the second radio frequency switch 5. The screw is used as a connecting piece, so that the connection between the radiation part and the radio frequency switch can be more flexible, and the structure also plays a role in reinforcement.
Further, a first elastic pin is arranged on one side of the first radiation part 201 close to the first insulation area 204, and the first elastic pin is electrically connected with the first radio frequency switch 4; a second elastic pin is arranged on one side of the third radiation part 203 close to the first insulation area 204 and electrically connected with the first radio frequency switch 4; a third elastic pin is arranged on one side of the second radiation part 202 close to the second insulation region 205, and the third elastic pin is electrically connected with the second radio frequency switch 5; a fourth elastic pin is arranged on one side of the third radiation part 203 close to the second insulation region 205, and the fourth elastic pin is electrically connected with the second radio frequency switch 5.
Further, the first rf switch 4 and/or the second rf switch 5 comprise rf switch tubes or PIN diodes. The first and second radio frequency switches 4 and 5 may specifically comprise a reactor 402 in which the radio frequency switch 401 is connected in series with the radio frequency switch 401, and the reactor 402 may be a capacitive or resistive device. The reactor 402 can be directly integrated on the radio-frequency on-off device 401, so that space can be saved better.
The reactor 402 in the first rf switch 4 is electrically connected to a side of the third radiation portion 203 close to the first insulation region 204, and the rf switch 401 in the first rf switch 4 is electrically connected to a side of the first radiation portion 201 close to the first insulation region 204. The reactor 402 in the second rf switch 5 is electrically connected to the side of the third radiating portion 203 close to the second insulating region 205, and the rf switch 401 in the second rf switch 5 is electrically connected to the side of the second radiating portion 202 close to the second insulating region 205. In one embodiment, the reactor 402 in the first rf switch 4 is electrically connected to the second screw 207, and the rf on-off device 401 in the first rf switch 4 is electrically connected to the first screw 206; the reactor 402 in the second radio frequency switch 5 is electrically connected to the fourth screw 209, and the radio frequency breaker 401 in the second radio frequency switch 5 is electrically connected to the third screw 208.
The following is a working mode of the terminal antenna assembly in this embodiment by taking an example of applying the terminal antenna assembly to a mobile phone.
When a person holds the mobile phone, the mobile phone judges that the left hand or the right hand is used according to the backspacing value of the antenna performance change, and simultaneously the mobile phone controls the first radio frequency switch 4 and the second radio frequency switch 5 to carry out combination switching respectively, so that the antenna form is changed, a radiation loop is formed, and the antenna radiation mode is changed. And selecting a combination with smaller performance reduction amplitude under the scene to lock and carry out antenna radiation, thereby achieving higher antenna performance. There are a wide variety of specific combinations, for example: the first radio frequency switch 4 and the second radio frequency switch 5 are short-circuited or open-circuited at the same time, single short-circuited, single open-circuited or short-circuited by the first radio frequency switch 4 and connected to the ground, and the like.
Of course, the terminal antenna assembly in this embodiment is applicable to more scenes, and not only the performance adjustment of the left-hand and right-hand mobile phone antennas.
Example 2
Based on the same concept, the invention provides a terminal antenna system, which comprises:
a controller (e.g., a radio frequency controller); and the terminal antenna assembly of embodiment 1;
the controller is electrically connected with the feed part 1, the first radio frequency switch 4 and the second radio frequency switch 5;
the controller is configured to adjust the opening and closing of the first radio frequency switch 4 and/or the second radio frequency switch 5 according to the feeding signal of the feeding portion 1 to realize the adjustment of the radiation performance of the antenna.
Optionally, the controller is configured to adjust the opening and closing of the first radio frequency switch 4 and/or the second radio frequency switch 5 according to a back-off value of the feeding signal of the feeding section 1.
Example 3
Based on the same conception, the invention provides an antenna system of a handheld terminal, which comprises: a PCB board 6 of the handheld terminal (e.g., a main board of a mobile phone or a tablet computer); a feeding section 1; a metal frame 2 of the handheld terminal, wherein one end part of the metal frame 2 is a radiation part, and a first side of the end part is a first radiation part 201; the second side of the end portion is a second radiating portion 202; the middle section of the end part is a third radiation part 203; a first insulating area 204 is arranged between the first radiation part 201 and the third radiation part 203; a second insulating region 205 is arranged between the second radiation part 202 and the third radiation part 203; a feed connection portion 3, one end of the feed connection portion 3 (feed line) being electrically connected to the feed portion 1, and the other end of the feed connection portion 3 being electrically connected to the third radiation portion 203; the first radio frequency switch 4 is electrically connected with one side of the first radiation part 201 close to the first insulation area 204, and the third radiation part 203 close to the first insulation area 204 is electrically connected with the first radio frequency switch 4; a second radio frequency switch 5, wherein one side of the second radiation part 202 close to the second insulation region 205 is electrically connected with the second radio frequency switch 5, and one side of the third radiation part 203 close to the second insulation region 205 is electrically connected with the second radio frequency switch 5; the PCB 6 is electrically connected with the feeding part 1, the first radio frequency switch 4 and the second radio frequency switch 5; the PCB 6 is configured to determine that the handheld terminal is being used by the left hand or the right hand according to the back-off value of the antenna performance variation, and then adjust the on/off of the first rf switch 4 and/or the second rf switch 5 to achieve the adjustment of the antenna radiation performance.
When a hand holds the handheld terminal, the handheld terminal judges whether the left hand or the right hand is used according to the backspacing value of the antenna performance change, and simultaneously controls the first radio frequency switch 4 and the second radio frequency switch 5 to be combined and switched respectively, so that the antenna form is changed, a radiation loop is formed, and the antenna radiation mode is changed. And selecting a combination with smaller performance reduction amplitude under the scene to lock and carry out antenna radiation, thereby achieving higher antenna performance. There are a wide variety of specific combinations, for example: the first radio frequency switch 4 and the second radio frequency switch 5 are short-circuited or open-circuited at the same time, single short-circuited, single open-circuited or short-circuited by the first radio frequency switch 4 and connected to the ground, and the like.
Further, a first screw 206 hole is formed in one side of the first radiation portion 201 close to the first insulation region 204, a first screw 206 is fixed in the first screw 206 hole, and the first screw 206 is electrically connected with the first radio frequency switch 4; a second screw 207 hole is formed in one side, close to the first insulating region 204, of the third radiation part 203, a second screw 207 is fixed in the second screw 207 hole, and the second screw 207 is electrically connected with the first radio frequency switch 4; a third screw 208 hole is formed in one side, close to the second insulating region 205, of the second radiation part 202, a third screw 208 is fixed in the third screw 208 hole, and the third screw 208 is electrically connected with the second radio frequency switch 5; a fourth screw 209 hole is formed in one side, close to the second insulating region 205, of the third radiation portion 203, a fourth screw 209 is fixed in the fourth screw 209 hole, and the fourth screw 209 is electrically connected with the second radio frequency switch 5. The screw is used as a connecting piece, so that the connection between the radiation part and the radio frequency switch can be more flexible, and the structure also plays a role in reinforcement.
Further, a first elastic pin is arranged on one side of the first radiation part 201 close to the first insulation area 204, and the first elastic pin is electrically connected with the first radio frequency switch 4; a second elastic pin is arranged on one side of the third radiation part 203 close to the first insulation area 204 and electrically connected with the first radio frequency switch 4; a third elastic pin is arranged on one side of the second radiation part 202 close to the second insulation region 205, and the third elastic pin is electrically connected with the second radio frequency switch 5; a fourth elastic pin is arranged on one side of the third radiation part 203 close to the second insulation region 205, and the fourth elastic pin is electrically connected with the second radio frequency switch 5.
Further, the first rf switch 4 and/or the second rf switch 5 comprise rf switch tubes or PIN diodes. The first and second radio frequency switches 4 and 5 may specifically comprise a reactor 402 in which the radio frequency switch 401 is connected in series with the radio frequency switch 401, and the reactor 402 may be a capacitive or resistive device. The reactor 402 can be directly integrated on the radio-frequency on-off device 401, so that space can be saved better.
The reactor 402 in the first rf switch 4 is electrically connected to a side of the third radiation portion 203 close to the first insulation region 204, and the rf switch 401 in the first rf switch 4 is electrically connected to a side of the first radiation portion 201 close to the first insulation region 204. The reactor 402 in the second rf switch 5 is electrically connected to the side of the third radiating portion 203 close to the second insulating region 205, and the rf switch 401 in the second rf switch 5 is electrically connected to the side of the second radiating portion 202 close to the second insulating region 205. In one embodiment, the reactor 402 in the first rf switch 4 is electrically connected to the second screw 207, and the rf on-off device 401 in the first rf switch 4 is electrically connected to the first screw 206; the reactor 402 in the second radio frequency switch 5 is electrically connected to the fourth screw 209, and the radio frequency breaker 401 in the second radio frequency switch 5 is electrically connected to the third screw 208.
Example 4
Based on the same concept, the present invention provides a communication terminal including the terminal antenna assembly of embodiment 1, or including the antenna system of embodiment 2 or 3.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is still within the scope of the present invention if they fall within the scope of the claims of the present invention and their equivalents.
Claims (12)
1. A terminal antenna assembly, comprising:
a feeding section;
the radiation device comprises a metal frame, a first radiation part and a second radiation part, wherein one end part of the metal frame is the radiation part, and the first side of the end part is the first radiation part; the second side of the end part is a second radiation part; the middle section of the end part is a third radiation part; a first insulating area is arranged between the first radiation part and the third radiation part; a second insulating region is arranged between the second radiation part and the third radiation part;
a feed connection portion, one end of which is electrically connected with the feed portion and the other end of which is electrically connected with the third radiation portion;
the first radio frequency switch is electrically connected with one side of the first radiation part close to the first insulation area, and the third radiation part is electrically connected with the first radio frequency switch;
the side, close to the second insulating area, of the second radiation part is electrically connected with the second radio frequency switch, and the side, close to the second insulating area, of the third radiation part is electrically connected with the second radio frequency switch;
wherein,
the opening and closing of the first radio frequency switch and/or the second radio frequency switch correspond to different antenna radiation modes.
2. The terminal antenna assembly of claim 1, wherein a first screw hole is formed in a side of the first radiating portion adjacent to the first insulating region, a first screw is fixed in the first screw hole, and the first screw is electrically connected to the first radio frequency switch;
a second screw hole is formed in one side, close to the first insulating area, of the third radiation part, a second screw is fixed in the second screw hole, and the second screw is electrically connected with the first radio frequency switch;
a third screw hole is formed in one side, close to the second insulating area, of the second radiation part, a third screw is fixed in the third screw hole, and the third screw is electrically connected with the second radio frequency switch;
and a fourth screw hole is formed in one side, close to the second insulating area, of the third radiation part, a fourth screw is fixed in the fourth screw hole, and the fourth screw is electrically connected with the second radio frequency switch.
3. The terminal antenna assembly of claim 1,
a first elastic pin is arranged on one side, close to the first insulating area, of the first radiation part, and the first elastic pin is electrically connected with the first radio frequency switch;
a second elastic pin is arranged on one side, close to the first insulating area, of the third radiation part, and the second elastic pin is electrically connected with the first radio frequency switch;
a third elastic pin is arranged on one side, close to the second insulating area, of the second radiation part, and the third elastic pin is electrically connected with the second radio frequency switch;
and a fourth elastic pin is arranged on one side of the third radiation part close to the second insulation area and electrically connected with the second radio frequency switch.
4. The terminal antenna assembly of claim 1, wherein the first radio frequency switch and/or the second radio frequency switch comprises a radio frequency switching tube or a PIN diode.
5. The terminal antenna assembly of claim 1, wherein the first insulating region and/or the second insulating region is a slot structure.
6. A terminal antenna system, comprising:
a controller; and
the terminal antenna assembly of any one of claims 1 to 5;
the controller is electrically connected with the feed part, the first radio frequency switch and the second radio frequency switch;
the controller is configured to adjust the opening and closing of the first radio frequency switch and/or the second radio frequency switch according to a feeding signal of the feeding portion so as to realize the adjustment of the radiation performance of the antenna.
7. The terminal antenna system of claim 6, wherein the controller is configured to adjust the opening and closing of the first and/or second radio frequency switches according to a back-off value of a feed signal of the feed.
8. An antenna system of a handheld terminal, comprising:
the PCB board of the handheld terminal;
a feeding section;
one end part of the metal frame is a radiation part, and the first side of the end part is a first radiation part; the second side of the end part is a second radiation part; the middle section of the end part is a third radiation part; a first insulating area is arranged between the first radiation part and the third radiation part; a second insulating region is arranged between the second radiation part and the third radiation part;
a feed connection portion, one end of which is electrically connected with the feed portion and the other end of which is electrically connected with the third radiation portion;
the first radio frequency switch is electrically connected with one side of the first radiation part close to the first insulation area, and the third radiation part is electrically connected with the first radio frequency switch;
the side, close to the second insulating area, of the second radiation part is electrically connected with the second radio frequency switch, and the side, close to the second insulating area, of the third radiation part is electrically connected with the second radio frequency switch;
wherein,
the PCB is electrically connected with the feed part, the first radio frequency switch and the second radio frequency switch; the PCB is configured to judge whether the hand-held terminal is being used by the left hand or the right hand according to the backspacing value of the antenna performance change, and then the opening and closing of the first radio frequency switch and/or the second radio frequency switch are adjusted to realize the adjustment of the antenna radiation performance.
9. The antenna system of claim 8, wherein a first screw hole is formed in a side of the first radiating portion close to the first insulating region, a first screw is fixed in the first screw hole, and the first screw is electrically connected with the first radio frequency switch;
a second screw hole is formed in one side, close to the first insulating area, of the third radiation part, a second screw is fixed in the second screw hole, and the second screw is electrically connected with the first radio frequency switch;
a third screw hole is formed in one side, close to the second insulating area, of the second radiation part, a third screw is fixed in the third screw hole, and the third screw is electrically connected with the second radio frequency switch;
and a fourth screw hole is formed in one side, close to the second insulating area, of the third radiation part, a fourth screw is fixed in the fourth screw hole, and the fourth screw is electrically connected with the second radio frequency switch.
10. The antenna system of claim 1,
a first elastic pin is arranged on one side, close to the first insulating area, of the first radiation part, and the first elastic pin is electrically connected with the first radio frequency switch;
a second elastic pin is arranged on one side, close to the first insulating area, of the third radiation part, and the second elastic pin is electrically connected with the first radio frequency switch;
a third elastic pin is arranged on one side, close to the second insulating area, of the second radiation part, and the third elastic pin is electrically connected with the second radio frequency switch;
and a fourth elastic pin is arranged on one side of the third radiation part close to the second insulation area and electrically connected with the second radio frequency switch.
11. The antenna system of claim 8, wherein the first radio frequency switch and/or the second radio frequency switch comprises a radio frequency switching tube or a PIN diode.
12. A communications terminal comprising a terminal antenna assembly according to any one of claims 1 to 5 or an antenna system according to any one of claims 6 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910575374.9A CN110336116A (en) | 2019-06-28 | 2019-06-28 | A kind of terminal antenna component, antenna system and communication terminal |
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| CN201910575374.9A CN110336116A (en) | 2019-06-28 | 2019-06-28 | A kind of terminal antenna component, antenna system and communication terminal |
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| CN110336116A true CN110336116A (en) | 2019-10-15 |
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| CN201910575374.9A Pending CN110336116A (en) | 2019-06-28 | 2019-06-28 | A kind of terminal antenna component, antenna system and communication terminal |
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Application publication date: 20191015 |