CN214754162U - Antenna device and terminal - Google Patents
Antenna device and terminal Download PDFInfo
- Publication number
- CN214754162U CN214754162U CN202023231378.2U CN202023231378U CN214754162U CN 214754162 U CN214754162 U CN 214754162U CN 202023231378 U CN202023231378 U CN 202023231378U CN 214754162 U CN214754162 U CN 214754162U
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- antenna
- grounding point
- grounding
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- 238000002955 isolation Methods 0.000 claims abstract description 32
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 6
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003190 augmentative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model provides a promote antenna device of antenna isolation is applied to the terminal, including first antenna, the second antenna is provided with the separation line between first antenna and the second antenna, and the both ends ground connection of separation line is provided with impedance element on the separation line. The utility model discloses a set up a separation line between two antennas, the both ends ground connection of separation line to add impedance element on the separation line, promoted the isolation between two antennas, this kind of method of promoting the isolation is simple relatively, easily realizes.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the field of communication technology, especially, relate to an antenna device and terminal.
[ background of the invention ]
Electronic devices with wireless communication functions, such as notebook computers, mobile phones, and the like, transmit or receive radio waves through an antenna to transmit or exchange radio signals, thereby accessing a wireless network. As wireless communication technology is continuously developed, the number of antennas configured in electronic products is gradually increased. Meanwhile, the volume of electronic equipment products tends to be reduced, and the electronic equipment products are continuously developed towards light and thin, so that the internal structure of the electronic equipment is more and more compact, the distance between the antennas is smaller and smaller, and the isolation between the antennas is reduced due to mutual interference between the antennas.
[ Utility model ] content
An object of the utility model is to provide an antenna device and terminal.
The technical scheme of the utility model as follows: an antenna device comprises a first antenna and a second antenna, wherein an isolation line is arranged between the first antenna and the second antenna, two ends of the isolation line are grounded, and an impedance element is arranged on the isolation line.
Optionally, the antenna device includes an antenna main board, the antenna main board forms a system ground, and an end of the isolation line is connected to the antenna main board to implement grounding.
Optionally, the antenna main board is provided with a first grounding point and a second grounding point, two ends of the isolation line are connected to the first grounding point and the second grounding point to realize grounding, the first grounding point is located in an area where the first antenna is located, and the second grounding point is located in an area where the second antenna is located.
Optionally, the antenna main board is provided with a third grounding point and a fourth grounding point; the first antenna is connected with the third grounding point, and the second antenna is connected with the fourth grounding point so as to realize grounding; the first and second ground points are arranged at intervals between the third and fourth ground points.
Optionally, the first antenna and the second antenna are both configured to transmit wireless signals with a first wavelength, and a distance between the third ground point and the fourth ground point is greater than or equal to 0.2 times of the first wavelength.
Optionally, the first antenna is configured to transmit a wireless signal with a first wavelength, the second antenna is configured to transmit a wireless signal with a second wavelength, the first wavelength is smaller than the second wavelength, and a distance between the third ground point and the fourth ground point is greater than or equal to 0.2 times of the first wavelength.
Optionally, the antenna main board is provided with a first signal source and a second signal source; the first antenna is connected with the first signal source, and the first signal source feeds power to the first antenna; the second antenna is connected with the second signal source, and the second signal source feeds power to the second antenna.
Optionally, the impedance element includes at least one of a capacitor, an inductor and a resistor.
Optionally, the antenna isolation between the first antenna and the second antenna is greater than 15 dB.
The utility model also discloses a terminal, include as above arbitrary antenna device.
The beneficial effects of the utility model reside in that: the isolation degree between the two antennas is improved by arranging the isolation line between the two antennas, grounding the two ends of the isolation line and additionally arranging the impedance element on the isolation line.
[ description of the drawings ]
Fig. 1 is a front view of an antenna device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an antenna device according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of an antenna device according to an embodiment of the present invention;
fig. 4 is a partially enlarged schematic view of a portion a of the antenna device shown in fig. 3.
[ detailed description ] embodiments
The present invention will be further described with reference to the accompanying drawings and embodiments.
The embodiment of the application provides an antenna device and a terminal. The terminal may be a smartphone, a tablet, a gaming device, an AR (Augmented Reality) device, a laptop, a desktop computing device, a wearable device such as an electronic watch, electronic glasses, an electronic helmet, an electronic bracelet, an electronic necklace, an electronic garment, or the like.
Referring to fig. 1 and fig. 2 simultaneously, fig. 1 is a front view of an antenna device provided by an embodiment of the present invention, and fig. 2 is a schematic diagram of a principle of the antenna device provided by an embodiment of the present invention. The antenna device 10 includes an antenna main board 100, a first antenna 102, a second antenna 103, an isolation line 104, and an impedance element 105. The antenna board 100 forms a system ground, which is substantially rectangular. The first antenna 102, the second antenna 103, and the isolation line 104 are all electrically connected to the antenna motherboard 100. An isolation line 104 is provided between the first antenna 102 and the second antenna 103. An impedance element 105 is disposed on the isolation line 104, and the impedance element 105 includes at least one of a capacitor, an inductor, and a resistor. The antenna isolation of the first antenna 102 and the second antenna 103 is greater than 15dB by providing the isolation line 104 and providing the impedance element 105 on the isolation line 104.
In some embodiments, the antenna device 10 further includes a first signal source 1011 and a second signal source 1012, and the first signal source 1011 and the second signal source 1012 are disposed on the antenna main board 100. The first antenna 102 is electrically connected to a first signal source 1011, and the first signal source 1011 feeds power to the first antenna 102; the second antenna 103 is electrically connected to a second signal source 1012, and the second signal source 1012 feeds power to the second antenna 102.
In some embodiments, a first grounding point 106 and a second grounding point 107 are disposed on the antenna main board 100. Two ends of the isolation line 104 are electrically connected to a first grounding point 106 and a second grounding point 107, respectively, to realize grounding. A third grounding point 108 and a fourth grounding point 109 are also provided on the antenna main board 100. The first antenna 102 is electrically connected to a third grounding point 108 and the second antenna 103 is electrically connected to a fourth grounding point 109 to realize grounding. The first ground point 106 and the second ground point 107 are arranged between the third ground point 108 and the fourth ground point 109, and are spaced apart from each other.
In some embodiments, when both the first antenna 102 and the second antenna 103 are used to transmit wireless signals at the first wavelength, the spacing between the third ground point 108 and the fourth ground point 109 is greater than or equal to 0.2 times the first wavelength. When the first antenna 102 is used for transmitting wireless signals with a first wavelength, the second antenna 103 is used for transmitting wireless signals with a second wavelength, the first wavelength is smaller than the second wavelength, and a distance between the third grounding point 108 and the fourth grounding point 109 is greater than or equal to 0.2 times of the first wavelength.
In some embodiments, referring to fig. 3 and fig. 4 simultaneously, fig. 3 is a schematic perspective view of an antenna device according to an embodiment of the present invention, and fig. 4 is a partially enlarged schematic view of a portion a of the antenna device shown in fig. 3. The antenna device 10 further comprises a first conductor post 110 and a second conductor post 111. The first conductor post 110 and the second conductor post 111 are electrically connected to the antenna main board 100.
Therein, in some embodiments, the first ground point 106 coincides with the third ground point 108, and the second ground point 107 coincides with the fourth ground point 109. Two ends of the isolation line 104 are electrically connected to a first grounding point 106 and a second grounding point 107, respectively, to realize grounding. The first antenna 102 is electrically connected to a third ground point 108 through a first conductive post 110 to realize grounding; the second antenna 103 is electrically connected to a fourth grounding point 109 through a second conductor post 111 to realize grounding. The first conductive column 110 is electrically connected to the first and third ground points 106, 108 which overlap, and the second conductive column 111 is electrically connected to the second and fourth ground points 107, 109 which overlap.
The utility model also discloses a terminal, include as above arbitrary antenna device.
The beneficial effects of the utility model reside in that: the isolation degree of the multi-frequency antenna in all working frequency bands can be improved, and the method for improving the isolation degree is relatively simple and easy to realize, and has more advantages than the conventional method for improving the isolation degree in a single working frequency band.
In the description of the present application, it is to be understood that terms such as "first", "second", and the like are used merely to distinguish one similar element from another, and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (9)
1. An antenna device comprises a first antenna and a second antenna, and is characterized in that an isolation line is arranged between the first antenna and the second antenna, two ends of the isolation line are grounded, the antenna device further comprises an antenna main board, the antenna main board forms a system ground, the end part of the isolation line is connected with the antenna main board to realize the grounding, and the antenna main board is provided with a third grounding point and a fourth grounding point; the first antenna is connected with the third grounding point, and the second antenna is connected with the fourth grounding point so as to realize grounding; an impedance element is arranged on the isolation line.
2. The antenna device of claim 1, wherein: the antenna mainboard is provided with a first grounding point and a second grounding point, two ends of the isolation line are connected with the first grounding point and the second grounding point so as to realize grounding, the first grounding point is located in the area where the first antenna is located, and the second grounding point is located in the area where the second antenna is located.
3. The antenna device of claim 2, wherein: the first and second ground points are arranged at intervals between the third and fourth ground points.
4. The antenna device of claim 3, wherein: the first antenna and the second antenna are used for transmitting wireless signals with a first wavelength, and the distance between the third grounding point and the fourth grounding point is greater than or equal to 0.2 times of the first wavelength.
5. The antenna device of claim 3, wherein: the first antenna is used for transmitting wireless signals with a first wavelength, the second antenna is used for transmitting wireless signals with a second wavelength, the first wavelength is smaller than the second wavelength, and the distance between the third grounding point and the fourth grounding point is larger than or equal to 0.2 times of the first wavelength.
6. The antenna device of claim 1, wherein: the antenna main board is provided with a first signal source and a second signal source; the first antenna is connected with the first signal source, and the first signal source feeds power to the first antenna; the second antenna is connected with the second signal source, and the second signal source feeds power to the second antenna.
7. The antenna device of claim 1, wherein: the impedance element includes at least one of a capacitor, an inductor, and a resistor.
8. The antenna device of claim 1, wherein: the first antenna and the second antenna have an isolation greater than 15 dB.
9. A terminal, characterised in that it comprises an antenna device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023231378.2U CN214754162U (en) | 2020-12-28 | 2020-12-28 | Antenna device and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023231378.2U CN214754162U (en) | 2020-12-28 | 2020-12-28 | Antenna device and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214754162U true CN214754162U (en) | 2021-11-16 |
Family
ID=78634830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023231378.2U Expired - Fee Related CN214754162U (en) | 2020-12-28 | 2020-12-28 | Antenna device and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214754162U (en) |
-
2020
- 2020-12-28 CN CN202023231378.2U patent/CN214754162U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |