CN113660364A - Terminal equipment - Google Patents
Terminal equipment Download PDFInfo
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- CN113660364A CN113660364A CN202110943259.XA CN202110943259A CN113660364A CN 113660364 A CN113660364 A CN 113660364A CN 202110943259 A CN202110943259 A CN 202110943259A CN 113660364 A CN113660364 A CN 113660364A
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- antenna
- side edge
- microstrip line
- display screen
- terminal device
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- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000002955 isolation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Support Of Aerials (AREA)
Abstract
The invention relates to the field of antennas and discloses a terminal device. A terminal device, comprising: the first side edge of the shell is opposite to the third side edge, and the second side edge of the shell is opposite to the fourth side edge; the display screen is arranged on the shell, and the length of the display screen parallel to the extending direction of the first side edge is greater than the length of the display screen parallel to the extending direction of the second side edge; the first antenna is arranged between the display screen and the shell and is positioned in an included angle area formed by the first side edge and the second side edge; the second antenna is arranged between the display screen and the shell, is positioned in an included angle area formed by the first side edge and the fourth side edge, and is coupled with the first antenna; the third antenna is arranged between the first antenna and the second antenna and is coupled with the first antenna and/or the second antenna; the problem of among the prior art because of the antenna is sheltered from when horizontal screen and leads to the signal to worsen is improved.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to a terminal device.
Background
Terminal equipment like the cell-phone and see video when playing the recreation wiFi antenna zone of cell-phone can be sheltered from when holding the cell-phone in a horizontal direction, absorbs the electromagnetic energy, and then leads to wiFi wireless signal variation.
Disclosure of Invention
The invention discloses a terminal device, which is used for improving the transmission performance of an antenna when the terminal device is held horizontally.
In order to achieve the purpose, the invention provides the following technical scheme:
a terminal device, comprising:
the shell comprises a first side edge, a second side edge, a third side edge and a fourth side edge which are sequentially connected, wherein the first side edge is opposite to the third side edge, the second side edge is opposite to the fourth side edge, the length of the first side edge is greater than that of the second side edge, and the length of the third side edge is greater than that of the fourth side edge;
the display screen is arranged on the shell, and the length of the display screen parallel to the extending direction of the first side edge is greater than the length of the display screen parallel to the extending direction of the second side edge;
the first antenna is arranged between the display screen and the shell and is positioned in an included angle area formed by the first side edge and the second side edge;
the second antenna is arranged between the display screen and the shell and positioned in an included angle area formed by the first side edge and the fourth side edge, and the second antenna is coupled with the first antenna;
at least one third antenna, installed between the display screen and the housing, and along the extending direction of the first side, the third antenna is located between the first antenna and the second antenna, and the third antenna is coupled with the first antenna and/or the second antenna.
When the transverse screen of the terminal equipment is used, if the terminal equipment is held transversely to see videos or play games, even if the first antenna and the second antenna are shielded by hands, the third antenna positioned between the first antenna and the second antenna cannot be shielded, namely, the signal transmission and reception of the third antenna cannot be influenced, so that the signal of the terminal equipment cannot be deteriorated, and the problem that the signal is deteriorated due to shielding of the antenna during transverse screen in the prior art is solved.
Optionally, the third antenna is one.
Optionally, the number of the third antennas is multiple, and in the multiple third antennas, a part of the third antennas is coupled to the first antenna, and a part of the third antennas is coupled to the second antenna.
Optionally, a chip is further disposed between the display screen and the housing, and the chip is connected to the first antenna and/or the second antenna and/or the third antenna.
Optionally, a microstrip line coupler is further disposed between the display screen and the housing;
the chip is connected with the first antenna through the microstrip line coupler; and/or the presence of a gas in the gas,
the chip is connected with the second antenna through the microstrip line coupler; and/or the presence of a gas in the gas,
the chip is connected with the third antenna through the microstrip line coupler.
Optionally, an inductance-capacitance matching circuit is further arranged between the display screen and the shell;
the chip is connected with the third antenna through the microstrip line coupler and the inductance-capacitance matching circuit.
Optionally, a motherboard is further disposed between the display screen and the housing, and the chip, the microstrip line coupler, and the lc matching circuit are all located on the motherboard.
Optionally, the first antenna, the second antenna, and the third antenna are all 5G antennas.
Optionally, the headroom area of the first antenna, the headroom area of the second antenna, and the headroom area of the third antenna are all equal.
Optionally, the microstrip line coupler includes a first microstrip line and a second microstrip line arranged in parallel, where a length L of the first microstrip line or the second microstrip line is 8.1mm-8.2 mm;
the line width W of the first microstrip line or the second microstrip line is 0.3mm-0.4 mm;
the distance H between the first microstrip line and the second microstrip line is 0.04mm-0.06 mm.
Drawings
Fig. 1 is a schematic structural diagram of a terminal device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another terminal device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another terminal device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a microstrip line coupler according to an embodiment of the present invention;
fig. 5a to fig. 5d are schematic simulation diagrams of a terminal device according to an embodiment of the present invention.
Icon: 100-a housing; 200-a display screen; 300-a first antenna; 400-a second antenna; 500-a third antenna; 600-chip; 700-microstrip line coupler; 800-inductor-capacitor matching circuit; 900-main board; 110-a first side; 120-a second side edge; 130-a third side; 140-a fourth side; 710-a first microstrip line; 720-second microstrip line.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
As shown in fig. 1 to 4, an embodiment of the present invention provides a terminal device, including: the casing 100, the casing 100 includes a first side 110, a second side 120, a third side 130 and a fourth side 140 connected in sequence, wherein the first side 110 is opposite to the third side 130, the second side 120 is opposite to the fourth side 140, the length of the first side 110 is greater than that of the second side 120, and the length of the third side 130 is greater than that of the fourth side 140; the display screen 200 is installed on the housing 100, and the length of the display screen 200 parallel to the extending direction of the first side 110 is greater than the length of the display screen parallel to the extending direction of the second side 120; a first antenna 300 installed between the display screen 200 and the housing 100 and located in an included angle region formed by the first side 110 and the second side 120; a second antenna 400 installed between the display screen 200 and the housing 100 and located in an included angle region formed by the first side 110 and the fourth side 140, the second antenna 400 being coupled to the first antenna 300; at least one third antenna 500 installed between the display screen 200 and the housing 100, and along the extending direction of the first side 110, the third antenna 500 is located between the first antenna 300 and the second antenna 400, and the third antenna 500 is coupled with the first antenna 300 and/or the second antenna 400.
When the terminal device is used transversely, if the terminal device is held transversely to watch videos or play games, even if the first antenna 300 and the second antenna 400 are shielded by hands, the third antenna 500 between the first antenna 300 and the second antenna 400 cannot be shielded, namely, the signal transmission and reception of the third antenna 500 cannot be influenced, so that the signal of the terminal device cannot be deteriorated, and the problem that the signal is deteriorated due to the fact that the antenna is shielded during transverse screen in the prior art is solved.
Optionally, the first antenna 300, the second antenna 400, and the third antenna 500 are all 5G antennas.
In some embodiments, the first antenna 300, the second antenna 400, and the third antenna 500 are all WiFi5G antennas. Referring to fig. 1, when the terminal device is used as a mobile phone vertical screen (a face of a person is right opposite to the terminal device), the first antenna 300 and the second antenna 400 are distributed at the upper right position and the lower right position of the terminal device, the third antenna 500 is located at the middle right position of the terminal device, which is usually a volume button, the WiFi5G antenna has a high frequency band and a low wavelength band, and the corresponding antenna size and clearance requirements are low, so that the transmission performance of the antenna during the use of a horizontal screen can be improved on the premise of not increasing the size of the terminal device.
Optionally, the headroom areas of the first antenna 300, the second antenna 400, and the third antenna 500 are all equal.
In some embodiments, the clearance area of the first antenna 300, the clearance area of the second antenna 400, and the clearance area of the third antenna 500 are all rectangles, and the areas of the rectangles are all equal.
In some embodiments, there is one third antenna 500, and the third antenna 500 is coupled to the first antenna 300.
In some embodiments, there is one third antenna 500, and the third antenna 500 is coupled to the second antenna 400.
Optionally, the number of the third antennas 500 is multiple, and in the multiple third antennas 500, a part of the third antennas 500 is coupled to the first antenna 300, and a part of the third antennas 500 is coupled to the second antenna 400.
In some embodiments, of the plurality of third antennas 500, a portion of the third antenna 500 that is proximate to the first antenna 300 is coupled to the first antenna 300 and a portion of the third antenna 500 that is proximate to the second antenna 400 is coupled to the second antenna 400.
Optionally, a chip 600 is further disposed between the display screen 200 and the casing 100, and the chip 600 is connected to the first antenna 300 and/or the second antenna 400 and/or the third antenna 500.
In some embodiments, the chip 600 is connected with the first antenna 300; in other embodiments, the chip 600 is connected to the second antenna 400; in other embodiments, the chip 600 is connected to the third antenna 500.
Optionally, a microstrip-line coupler 700 is further disposed between the display screen 200 and the casing 100; the chip 600 is connected to the first antenna 300 through the microstrip line coupler 700; and/or, the chip 600 is connected with the second antenna 400 through the microstrip line coupler 700; and/or, the chip 600 and the third antenna 500 are connected through the microstrip-line coupler 700.
It should be noted that, a WiFi5G microstrip line coupler 700 is added to an optional WiFi5G radio frequency path, and parameters of line width, line spacing and line length of the WiFi5G microstrip line coupler 700 are optimized through simulation software, so that insertion loss, reflection loss, coupling coefficient and reverse isolation degree meet expected indexes.
In some embodiments, referring to fig. 2, the chip 600 and the first antenna 300 are connected through the microstrip line coupler 700, and parameters such as line length, line width, and spacing of the WiFi5G microstrip line coupler 700 are optimized by using insertion loss, reflection loss, coupling degree, and reverse isolation degree as simulation software.
In some embodiments, the chip 600 and the second antenna 400 are connected through the microstrip line coupler 700, and parameters such as line length, line width, and spacing of the WiFi5G microstrip line coupler 700 are optimized by using insertion loss, reflection loss, coupling degree, and reverse isolation degree as simulation software.
In some embodiments, the chip 600 and the third antenna 500 are connected through the microstrip line coupler 700, and parameters such as line length, line width, and spacing of the WiFi5G microstrip line coupler 700 are optimized by using insertion loss, reflection loss, coupling degree, and reverse isolation degree as simulation software.
Optionally, an inductor-capacitor matching circuit 800 is further disposed between the display screen 200 and the housing 100; the chip 600 is connected to the third antenna 500 through the microstrip-line coupler 700 and the lc-matching circuit 800.
In some embodiments, referring to fig. 2, an lc matching circuit 800 is added, a WiFi5G microstrip line coupler 700 and a newly added WiFi5G antenna, i.e., a third antenna 500, are switched on, and the value of the lc matching circuit 800 is optimized to achieve impedance matching. In fig. 2, the chip 600 is connected to the first antenna 300 through the microstrip line coupler 700, and the microstrip coupler is connected to the third antenna 500 through the lc matching circuit 800, so that the transmission performance of the antenna of the entire terminal device is improved.
Optionally, a main board 900 is further disposed between the display screen 200 and the casing 100, and the chip 600, the microstrip line coupler 700, and the lc matching circuit 800 are all located on the main board 900.
In some embodiments, the chip 600, the microstrip-line coupler 700, and the lc-matching Circuit 800 are located on a motherboard 900, and the motherboard 900 may be a PCB (Printed Circuit Board) Board.
In a possible implementation manner, the terminal device is a mobile phone with a length × width × height of 140 × 76 × 9 mm; a ZhangRui T7510 platform is adopted, and the WiFi chip 600 is UMW 2651; the first antenna 300(WiFi5G antenna) and the second antenna 400(WiFi5G antenna) of the cell phone are respectively located at the upper right position and the lower right position of the cell phone, the third antenna 500(WiFi5G antenna) is located in the middle area of the side edge of the cell phone, the clearance area of the 3 antennas is a rectangular area with the length of 15mm and the width of 2mm, as shown in fig. 3. The PCB board 900 is made of 8 layers of 2-step FR4 board with thickness of 0.6mm, and mainly has a radio frequency microstrip line running on the Top layer (Top layer), typical dielectric constant is 3.71, and loss tangent is 0.015. The insertion loss of the WiFi5G microstrip line coupler 700 at 5.17-5.85GHz is less than 1dB, the reflection loss is less than-18 dB, the coupling degree is greater than-10 dB, and the reverse isolation degree is less than-20 dB.
Optionally, referring to fig. 4, the microstrip line coupler 700 includes a first microstrip line 710 and a second microstrip line 720 that are disposed in parallel, where an end a of the first microstrip line 710 is an input end, an end B is a through output end, an end C of the second microstrip line 720 is a coupled output end, an end D is a ground end, and a resistor is connected between the ground end and the second microstrip line, where a resistance of the resistor may be 50 Ω.
Wherein, the length L of the first microstrip line 710 or the second microstrip line 720 is 8.1mm-8.2mm, such as 8.10mm, 8.11mm, 8.12mm, 8.13mm, 8.14mm, 8.15mm, 8.16mm, 8.17mm, 8.18mm, 8.19mm, 8.20 mm;
the line width W of the first microstrip line 710 or the second microstrip line 720 is 0.3mm-0.4mm, such as 0.30mm, 0.31mm, 0.32mm, 0.33mm, 0.34mm, 0.35mm, 0.36mm, 0.37mm, 0.38mm, 0.39mm, 0.40 mm;
the distance H between the first microstrip line 710 and the second microstrip line 720 is 0.04mm-0.06mm, such as 0.04mm, 0.042mm, 0.044mm, 0.046mm, 0.048mm, 0.05mm, 0.052mm, 0.054mm, 0.056mm, 0.058mm, 0.06 mm.
Referring to fig. 5a to 5d, with the aid of simulation software, the parameters of the WiFi5G microstrip line coupler 700, such as line length, line width, and spacing, are optimized by taking insertion loss, reflection loss, coupling degree, and reverse isolation degree as simulation current. With reference to fig. 4, the optimized WiFi5G microstrip line coupler 700 has a length of 8.13mm, a microstrip line width of 0.37mm, and a line spacing of 0.05 mm.
The terminal equipment can be a mobile phone, a kindle or a tablet computer and the like.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A terminal device, comprising:
the shell comprises a first side edge, a second side edge, a third side edge and a fourth side edge which are sequentially connected, wherein the first side edge is opposite to the third side edge, the second side edge is opposite to the fourth side edge, the length of the first side edge is greater than that of the second side edge, and the length of the third side edge is greater than that of the fourth side edge;
the display screen is arranged on the shell, and the length of the display screen parallel to the extending direction of the first side edge is greater than the length of the display screen parallel to the extending direction of the second side edge;
the first antenna is arranged between the display screen and the shell and is positioned in an included angle area formed by the first side edge and the second side edge;
the second antenna is arranged between the display screen and the shell and positioned in an included angle area formed by the first side edge and the fourth side edge, and the second antenna is coupled with the first antenna;
at least one third antenna, installed between the display screen and the housing, and along the extending direction of the first side, the third antenna is located between the first antenna and the second antenna, and the third antenna is coupled with the first antenna and/or the second antenna.
2. The terminal device of claim 1, wherein the third antenna is one.
3. The terminal device of claim 1, wherein the third antenna is multiple, and wherein a portion of the third antenna is coupled to the first antenna and a portion of the third antenna is coupled to the second antenna.
4. The terminal device according to claim 1, wherein a chip is further disposed between the display screen and the housing, and the chip is connected to the first antenna and/or the second antenna and/or the third antenna.
5. The terminal device of claim 4, wherein a microstrip-line coupler is further disposed between the display screen and the housing;
the chip is connected with the first antenna through the microstrip line coupler; and/or the presence of a gas in the gas,
the chip is connected with the second antenna through the microstrip line coupler; and/or the presence of a gas in the gas,
the chip is connected with the third antenna through the microstrip line coupler.
6. The terminal device of claim 5, wherein an inductance-capacitance matching circuit is further arranged between the display screen and the shell;
the chip is connected with the third antenna through the microstrip line coupler and the inductance-capacitance matching circuit.
7. The terminal device according to claim 6, wherein a main board is further disposed between the display screen and the housing, and the chip, the microstrip line coupler, and the lc matching circuit are all located on the main board.
8. The terminal device of claim 6, wherein the first antenna, the second antenna, and the third antenna are all 5G antennas.
9. The terminal device of claim 8, wherein the headroom areas of the first antenna, the second antenna, and the third antenna are all equal.
10. The terminal device of claim 6, wherein the microstrip-line coupler comprises a first microstrip line and a second microstrip line arranged in parallel, wherein the length L of the first microstrip line or the second microstrip line is 8.1mm-8.2 mm;
the line width W of the first microstrip line or the second microstrip line is 0.3mm-0.4 mm;
the distance H between the first microstrip line and the second microstrip line is 0.04mm-0.06 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110943259.XA CN113660364A (en) | 2021-08-17 | 2021-08-17 | Terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110943259.XA CN113660364A (en) | 2021-08-17 | 2021-08-17 | Terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113660364A true CN113660364A (en) | 2021-11-16 |
Family
ID=78480001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110943259.XA Pending CN113660364A (en) | 2021-08-17 | 2021-08-17 | Terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113660364A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204407476U (en) * | 2015-01-13 | 2015-06-17 | 深圳市信维通信股份有限公司 | Novel WIFI antenna structure |
| CN107181053A (en) * | 2017-03-01 | 2017-09-19 | 青岛海信移动通信技术股份有限公司 | Antenna assembly and electronic equipment |
| CN107612567A (en) * | 2017-10-31 | 2018-01-19 | 广东欧珀移动通信有限公司 | A kind of mobile terminal, method of controlling antenna and computer-readable storage medium |
| CN108075220A (en) * | 2016-11-14 | 2018-05-25 | 中兴通讯股份有限公司 | Terminal antenna component and mobile phone |
| CN108155478A (en) * | 2017-12-06 | 2018-06-12 | 青岛海信电子设备股份有限公司 | Antenna and mobile terminal applied to mobile terminal |
| US20180375197A1 (en) * | 2017-06-21 | 2018-12-27 | AAC Technologies Pte. Ltd. | Antenna system and mobile terminal |
| CN110225194A (en) * | 2019-05-30 | 2019-09-10 | 维沃移动通信有限公司 | A kind of signal processing circuit, mobile terminal and signal processing method |
| CN112821035A (en) * | 2020-12-31 | 2021-05-18 | 维沃移动通信有限公司 | Electronic device |
-
2021
- 2021-08-17 CN CN202110943259.XA patent/CN113660364A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204407476U (en) * | 2015-01-13 | 2015-06-17 | 深圳市信维通信股份有限公司 | Novel WIFI antenna structure |
| CN108075220A (en) * | 2016-11-14 | 2018-05-25 | 中兴通讯股份有限公司 | Terminal antenna component and mobile phone |
| CN107181053A (en) * | 2017-03-01 | 2017-09-19 | 青岛海信移动通信技术股份有限公司 | Antenna assembly and electronic equipment |
| US20180375197A1 (en) * | 2017-06-21 | 2018-12-27 | AAC Technologies Pte. Ltd. | Antenna system and mobile terminal |
| CN107612567A (en) * | 2017-10-31 | 2018-01-19 | 广东欧珀移动通信有限公司 | A kind of mobile terminal, method of controlling antenna and computer-readable storage medium |
| CN108155478A (en) * | 2017-12-06 | 2018-06-12 | 青岛海信电子设备股份有限公司 | Antenna and mobile terminal applied to mobile terminal |
| CN110225194A (en) * | 2019-05-30 | 2019-09-10 | 维沃移动通信有限公司 | A kind of signal processing circuit, mobile terminal and signal processing method |
| CN112821035A (en) * | 2020-12-31 | 2021-05-18 | 维沃移动通信有限公司 | Electronic device |
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Application publication date: 20211116 |
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| RJ01 | Rejection of invention patent application after publication |