CN219779201U - Terminal antenna and mobile terminal - Google Patents
Terminal antenna and mobile terminal Download PDFInfo
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- CN219779201U CN219779201U CN202320628676.XU CN202320628676U CN219779201U CN 219779201 U CN219779201 U CN 219779201U CN 202320628676 U CN202320628676 U CN 202320628676U CN 219779201 U CN219779201 U CN 219779201U
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- 230000005855 radiation Effects 0.000 claims abstract description 116
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims description 32
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model provides a terminal antenna, which comprises a substrate, a first radiation structure, a second radiation structure, a grounding point, a first feed point and a second feed point, wherein the first radiation structure is arranged on the substrate; the first radiation structure and the second radiation structure are connected with the substrate, the first radiation structure is electrically connected with the first feeding point, the second radiation structure is electrically connected with the second feeding point, a grounding piece is arranged on the substrate, and the first radiation structure and the second radiation structure are connected with the grounding piece, then are connected with the grounding point. The utility model not only can increase the radiation efficiency of the terminal antenna, but also can maintain the clean space of the terminal antenna.
Description
Technical Field
The present utility model relates to the field of communications technologies, and in particular, to a terminal antenna and a mobile terminal using the same.
Background
With the development of 5G mobile phones, the requirement of MIMO technology for the number of antennas increases, but the internal layout of the mobile phone is compact, and the increased devices squeeze the antenna headroom, so that the antenna routable area is limited. Increasing antenna bandwidth in smaller environments becomes a difficulty for limited headroom environments.
The existing antenna scheme is used for debugging two antennas, at least four antenna shrapnels are needed for debugging the antennas, if the number of the antennas is increased, the number of the antenna shrapnels is increased more, so that the internal space of the mobile phone is reduced, the net space of the antennas is reduced, and the radiation efficiency of the antennas is reduced.
In view of this, there is a need for an improved terminal antenna that provides a new type of terminal antenna.
Disclosure of Invention
The utility model aims to provide a terminal antenna, which not only can increase the radiation efficiency of the terminal antenna, but also can maintain the clear space of the terminal antenna.
In order to solve the technical problems, the utility model provides a terminal antenna, which comprises a substrate, a first radiation structure, a second radiation structure, a grounding point, a first feeding point and a second feeding point; the first radiation structure and the second radiation structure are connected with the substrate, the first radiation structure is electrically connected with the first feeding point, the second radiation structure is electrically connected with the second feeding point, a grounding piece is arranged on the substrate, and the first radiation structure and the second radiation structure are connected with the grounding piece, then are connected with the grounding point.
As a further improvement of the utility model, a flexible circuit board wiring is arranged between the first feeding point and the second feeding point, and the grounding piece is in contact connection with the flexible circuit board.
As a further development of the utility model, the grounding element is configured as a metal screw post, which is connected to the grounding point, a connection element being arranged between the first and the second feed point, which connection element is connected to the metal screw post.
As a further improvement of the present utility model, the connection assembly is configured of a first metal plate having one end connected to the first feeding point and the other end connected to the metal screw post and grounded, and a second metal plate having one end connected to the second feeding point and the other end connected to the metal screw post and grounded.
As a further development of the utility model, the first radiating structure is configured as any one of a positioning antenna or a bluetooth antenna or a WiFi antenna, and the second radiating structure is configured as an NR antenna.
As a further improvement of the utility model, the WiFi antenna is a 2.4g+5gwfi antenna.
As a further improvement of the utility model, the frequency band of the NR antenna is 3.3 GHz-4.2 GHz.
As a further improvement of the utility model, the substrate is arranged in a rectangular shape, the first radiation structure and the second radiation structure are connected to form a radiation assembly, and the radiation assembly is positioned at the edge of the substrate.
As a further improvement of the utility model, the first radiation structure and the second radiation structure are respectively arranged on two adjacent edges of the substrate, the first feeding point is arranged on the first radiation structure, the second feeding point is arranged on the second radiation structure, and the grounding point is arranged between the first feeding point and the second feeding point.
The utility model also aims to provide a mobile terminal so as to better apply the terminal antenna.
In order to solve the technical problems, the utility model provides a mobile terminal, which comprises the terminal antenna.
The utility model provides a terminal antenna, which comprises a substrate, a first radiation structure, a second radiation structure, a grounding point, a first feeding point and a second feeding point; the first radiation structure and the second radiation structure are connected with the substrate, the first radiation structure is electrically connected with the first feeding point, the second radiation structure is electrically connected with the second feeding point, a grounding piece is arranged on the substrate, and the first radiation structure and the second radiation structure are connected with the grounding piece, then are connected with the grounding point. The utility model not only can increase the radiation efficiency of the terminal antenna, but also can maintain the clean space of the terminal antenna.
Drawings
Fig. 1 is a perspective view of a terminal antenna according to the present utility model.
Fig. 2 is a plan view of a terminal antenna according to the present utility model.
Fig. 3 is a graph of return loss of the operating frequency bands of the first and second radiating structures of the present utility model.
Fig. 4 is a graph showing radiation efficiency of the first radiation structure and the second radiation structure according to the present utility model.
Fig. 5 is a table of terminal antenna efficiency corresponding to each operating frequency of the terminal antenna according to the present utility model.
FIG. 6 is a diagram showing a current distribution structure corresponding to a first radiation structure of the present utility model when the working frequency ranges are 1.575GHz, 2.45GHz, 3.8GHz and 5.5GHz, respectively; and when the working frequency band of the second radiation structure is 3.3-4.2 GHz, the corresponding current distribution structure diagram is formed.
Wherein, each reference sign is explained as follows:
a terminal antenna 100, a first radiating structure 10, a first radiating branch 11, a second radiating branch 12, a second radiating structure 20, a first feeding point 30, a second feeding point 40, a ground point 50, and a substrate 60.
Detailed Description
The terminal antenna 100 and the mobile terminal according to the present utility model are described in further detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model. Furthermore, the structures shown in the drawings are often part of actual structures. In particular, the drawings are shown with different emphasis instead being placed upon illustrating the various embodiments.
The utility model provides a terminal antenna 100, and the terminal antenna 100 is applied to mobile terminals such as mobile phones, tablets and the like. The terminal antenna 100 of the present utility model occupies a small space in the mobile terminal, and can ensure a small clear space while improving the radiation efficiency under the sun.
The terminal antenna 100 includes a substrate 60, a first radiation structure 10, a second radiation structure 20, a ground point 50, a first feeding point 30, and a second feeding point 40; the first radiation structure 10 and the second radiation structure 20 are both connected with the substrate 60, the first radiation structure 10 is electrically connected with the first feeding point 30, the second radiation structure 20 is electrically connected with the second feeding point 40, a grounding member is disposed on the substrate 60, and the first radiation structure 10 and the second radiation structure 20 are connected with the grounding member and then connected with the grounding point 50. With this arrangement, not only the radiation efficiency of the terminal antenna 100 can be increased, but also the headroom of the terminal antenna 100 can be maintained.
Specifically, a flexible circuit board is disposed between the first feeding point 30 and the second feeding point 40, and the grounding member is in contact connection with the flexible circuit board. That is, the grounding point 50 is provided with a grounding member, and the first feeding point 30 and the grounding member are electrically connected through a flexible circuit board. Similarly, the second feeding point 40 and the grounding element are electrically connected through a flexible circuit board. Because the flexible circuit board is in a sheet-shaped arrangement, the grounding piece is in contact connection with the two paths of flexible circuit boards.
Of course, the first feeding point 30 and the second feeding point 40 may be connected by other forms, as long as the first feeding point 30 and the second feeding point 40 can be connected to the ground member, and the connection is not limited thereto. For example, the grounding member is configured as a metal screw rod connected to the grounding point 50, and a connection assembly is disposed between the first feeding point 30 and the second feeding point 40, and the connection assembly is connected to the metal screw rod. Further, the connection assembly is configured as a first metal sheet having one end connected to the first feeding point 30 and the other end connected to the metal screw post and grounded, and a second metal sheet having one end connected to the second feeding point 40 and the other end connected to the metal screw post and grounded.
That is, the first feeding point 30 and the second feeding point 40 may be connected by a metal sheet, specifically, the first metal sheet is connected to the first feeding point 30, the second metal sheet is connected to the second feeding point 40, and then both the first metal sheet and the second metal sheet are connected to the ground member and grounded. Specifically, the metal screw post is grounded to the middle frame of the mobile terminal, the first feeding point 30 and the second feeding point 40 are connected by using metal steel sheets, and the positions of the screw holes are fixed by the metal screw post. The arrangement is such that the first feeding point 30 and the second feeding point 40 can be connected with the grounding member and grounded, and the connection and fixation mode is simple and easy to operate, and no other parts are needed for fixation.
Further, the grounding member may have other forms or structures as long as it can be connected to the first feeding point 30 and the second feeding point 40 and grounded, and is not limited thereto. In the present utility model, the first radiation structure 10 is configured as any one of the positioning antenna 100, the bluetooth antenna 100, and the WiFi antenna, and the second radiation structure 20 is configured as the NR antenna 100. The WiFi antenna is a WiFi antenna, and the frequency band of the NR antenna 100 is 3.3 GHz-4.2 GHz.
Preferably, in the present utility model, the mobile terminal is a mobile phone, the substrate 60 is disposed in a rectangular shape, the first radiation structure 10 and the second radiation structure 20 are connected to form a radiation assembly, and the radiation assembly is located at a corner of the substrate 60. The first radiation structure 10 and the second radiation structure 20 are respectively disposed on two adjacent edges of the substrate 60, the first feeding point 30 is disposed on the first radiation structure 10, the second feeding point 40 is disposed on the second radiation structure 20, and the grounding point 50 is located between the first feeding point 30 and the second feeding point 40. Specifically, the first radiation structure 10 is located at an upper edge of the substrate 60, and the first radiation structure 10 includes a first radiation branch 11 and a second radiation branch 12 connected with the first radiation branch 11, the first radiation branch 11 is disposed in a C-shape, one side of the first radiation branch 11 is fixedly connected with the edge of the substrate 60, and the second radiation branch 12 is located between the C-shaped grooves of the first radiation branch 11 and connected with the first radiation branch 11. A first feed point 30 is provided on the first radiating stub 11, the first feed point 30 being located at an edge of the substrate 60. The second radiation structure 20 is disposed perpendicular to the first radiation structure 10 and is located at a side edge of the substrate 60. In the present utility model, the second radiation structure 20 is arranged in a step shape, one side of the second radiation structure is close to the edge of the substrate 60, and the second feeding point 40 is disposed on the second radiation structure 20 close to the side of the substrate 60. The ground point 50 is located between the first and second feeding points 30 and 40 and at the corners of both edges of the substrate 60. The ground member is connected to the ground point 50, and the first and second feeding points 30 and 40 are connected to the ground member and grounded through a flexible circuit or a metal plate.
In this way, since the whole mobile phone is rectangular, the base plate 60 has four corners, and the two adjacent collar-side radiating terminal antennas 100 on the base plate 60 can share one grounding piece. In the prior art, more than four grounding points 50 are needed on the mobile phone substrate 60, but the utility model can reduce the setting of the grounding points 50 of the mobile phone terminal antenna 100 by utilizing the fact that two adjacent collar-side radiation terminal antennas 100 share one grounding piece.
In order to further explain the terminal antenna 100 of the present utility model, not only is the structure simple, but also the structural design of the terminal antenna 100 in the mobile terminal is simplified, and the radiation efficiency of the terminal antenna 100 is also effectively ensured. As shown in fig. 3, it can be seen that the return loss of the operating frequency bands of the first radiation structure 10 and the second radiation structure 20 of the present utility model are both good. As shown in fig. 4 and 5, it can be seen that the radiation efficiency of the first radiation structure 10 and the second radiation structure 20 of the present utility model is also relatively good. As shown in fig. 6, in order from left to right and from top to bottom, the first radiation structure 10 of the present utility model has a corresponding current distribution structure diagram when the working frequency ranges are 1.575GHz, 2.45GHz, 3.8GHz and 5.5GHz, respectively; the second radiation structure 20 corresponds to a current distribution structure diagram when the working frequency band is 3.3-4.2 GHz. It can be seen that the radiation efficiency of the overall terminal antenna 100 structure is relatively good. Of course, the operating frequency bands of the first radiation structure 10 and the second radiation structure 20 may be combined appropriately, for example: the first radiation structure 10 is a gps+nr frequency band, and the second radiation structure 20 is a wifi frequency band. By such arrangement, the types of the terminal antennas 100 can be appropriately adjusted and combined according to actual conditions, and the design can be flexibly changed. For example, two adjacent terminal antennas 100 are the IFA terminal antennas 100, i.e. the inverted-F terminal antennas 100, and the common ground element can save the wiring space of the main board and the terminal antennas 100, so as to provide more space-saving area for increasing the number of MIMO antennas 100.
In summary, the present utility model provides a terminal antenna 100, where the terminal antenna 100 includes a substrate 60, a first radiation structure 10, a second radiation structure 20, a grounding point 50, a first feeding point 30 and a second feeding point 40; the first radiation structure 10 and the second radiation structure 20 are both connected with the substrate 60, the first radiation structure 10 is electrically connected with the first feeding point 30, the second radiation structure 20 is electrically connected with the second feeding point 40, a grounding member is disposed on the substrate 60, and the first radiation structure 10 and the second radiation structure 20 are connected with the grounding member and then connected with the grounding point 50. The utility model not only can increase the radiation efficiency of the terminal antenna 100, but also can maintain the clean space of the terminal antenna 100; the number of ground contacts on the board 60 can be reduced, and the wiring space of the board 60 can be used appropriately.
In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, so that the same similar parts of each embodiment are referred to each other.
The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.
Claims (10)
1. A terminal antenna, characterized in that: the terminal antenna comprises a substrate, a first radiation structure, a second radiation structure, a grounding point, a first feeding point and a second feeding point; the first radiation structure and the second radiation structure are connected with the substrate, the first radiation structure is electrically connected with the first feeding point, the second radiation structure is electrically connected with the second feeding point, a grounding piece is arranged on the substrate, and the first radiation structure and the second radiation structure are connected with the grounding piece, then are connected with the grounding point.
2. A terminal antenna according to claim 1, characterized in that: and a flexible circuit board wiring is arranged between the first feeding point and the second feeding point, and the grounding piece is in contact connection with the flexible circuit board.
3. A terminal antenna according to claim 1, characterized in that: the grounding piece is configured into a metal screw column, the metal screw column is connected with the grounding point, a connecting component is arranged between the first feeding point and the second feeding point, and the connecting component is connected with the metal screw column.
4. A terminal antenna according to claim 3, characterized in that: the connecting assembly is configured into a first metal sheet and a second metal sheet, one end of the first metal sheet is connected with the first feeding point, the other end of the first metal sheet is connected with the metal screw column and grounded, and one end of the second metal sheet is connected with the second feeding point, and the other end of the second metal sheet is connected with the metal screw column and grounded.
5. A terminal antenna according to claim 1, characterized in that: the first radiating structure is configured as any one of a positioning antenna, a Bluetooth antenna or a WiFi antenna, and the second radiating structure is configured as an NR antenna.
6. The terminal antenna of claim 5, wherein: the WiFi antenna is a 2.4GHz and 5.0GHz dual-frequency WiFi antenna.
7. The terminal antenna of claim 5, wherein: the frequency band of the NR antenna is 3.3 GHz-4.2 GHz.
8. A terminal antenna according to claim 1, characterized in that: the base plate is rectangular, the first radiation structure and the second radiation structure are connected to form a radiation assembly, and the radiation assembly is located at the edge of the base plate.
9. The terminal antenna of claim 8, wherein: the first radiation structure and the second radiation structure are respectively arranged on two adjacent edges of the substrate, the first feeding point is arranged on the first radiation structure, the second feeding point is arranged on the second radiation structure, and the grounding point is positioned between the first feeding point and the second feeding point.
10. A mobile terminal, characterized by: the mobile terminal comprising the terminal antenna of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320628676.XU CN219779201U (en) | 2023-03-28 | 2023-03-28 | Terminal antenna and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320628676.XU CN219779201U (en) | 2023-03-28 | 2023-03-28 | Terminal antenna and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219779201U true CN219779201U (en) | 2023-09-29 |
Family
ID=88132718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320628676.XU Active CN219779201U (en) | 2023-03-28 | 2023-03-28 | Terminal antenna and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219779201U (en) |
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2023
- 2023-03-28 CN CN202320628676.XU patent/CN219779201U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 2-101, No. 2 Qianmei Road, Dongkeng Town, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan Ruixiang XunTong Communication Technology Co.,Ltd. Address before: 523000 building 4, block a, No. 28, Yinying Road, Gaoying village, Dalang Town, Dongguan City, Guangdong Province Patentee before: Dongguan Ruixiang XunTong Communication Technology Co.,Ltd. |