CN209088060U - Mobile terminal double antenna structure and its mobile terminal - Google Patents
Mobile terminal double antenna structure and its mobile terminal Download PDFInfo
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- CN209088060U CN209088060U CN201821918964.4U CN201821918964U CN209088060U CN 209088060 U CN209088060 U CN 209088060U CN 201821918964 U CN201821918964 U CN 201821918964U CN 209088060 U CN209088060 U CN 209088060U
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- antenna
- mobile terminal
- circuit board
- mainboard
- metal segments
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Abstract
The utility model provides a kind of mobile terminal double antenna structure and its mobile terminal, mobile terminal double antenna structure includes frame and mainboard, the bottom end of the frame is provided with for the metal segments as mobile terminal antenna, the metal segments are from left to right divided into first antenna, the second antenna and third antenna by breakpoint there are two being arranged in the metal segments, the first antenna and the second antenna as high frequency antenna, the third antenna be used as in low-frequency antenna；The signal that the first antenna connection one is used to receive first antenna is sent to the first circuit board of the mainboard, second antenna connects one with third antenna for the signal that second antenna and third antenna receive to be sent to the second circuit board of the mainboard, and the first circuit board and second circuit board are connect with mainboard.The utility model is provided with two high frequency antennas, and one can be selected in two high frequency antennas will not interfere with each other or interfere lesser use that antenna is avoided to interfere with each other with middle low-frequency antenna.
Description
Technical field
The utility model relates to technical field of mobile terminals more particularly to a kind of mobile terminal double antenna structure and its movements
Terminal.
Background technique
With the development and progress of society, mobile terminal (such as mobile phone) is widely used.To guarantee that mobile phone can be normal
Signal is received, high frequency antenna and middle low-frequency antenna, that is, double antenna design are both provided in mobile phone, to receive different-waveband frequency
It the problem of signal of rate, but in existing mobile phone, generally existing high frequency antenna and middle low-frequency antenna interfere with each other, typically wants
Solve the problems, such as that double antenna interferes with each other by optimization cabling or change layout, the complicated for operation cumbersome and design duration compared with
It is long.
Therefore, the existing technology needs to be improved and developed.
Utility model content
In view of the deficiencies in the prior art, the utility model aim is to provide a kind of mobile terminal double antenna structure and its shifting
Dynamic terminal, it is intended to when solving that mobile terminal high frequency antenna and middle low-frequency antenna interfere with each other in the prior art, need to pass through optimization
Cabling or change are laid out to solve the problems, such as interference.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows:
A kind of mobile terminal double antenna structure, including frame and mainboard, the bottom end of the frame are provided with for as shifting
The metal segments of dynamic terminal antenna, wherein there are two breakpoints that the metal segments are from left to right divided into for setting in the metal segments
One antenna, the second antenna and third antenna, the equal length of the length of the first antenna and the third antenna, and it is described
The length of the length of first antenna and second antenna is less than the length of the third antenna, so that the first antenna and the
Two antennas as high frequency antenna, the third antenna be used as in low-frequency antenna；
The signal that the first antenna connection one is used to receive first antenna is sent to the first circuit of the mainboard
Plate, second antenna connect one with third antenna for the signal that second antenna and third antenna receive to be sent to
The second circuit board of the mainboard, the first circuit board and second circuit board are connect with mainboard.
Further, the height of the metal segments left and right ends is equal.
Further, for the first circuit board to be connect with the mainboard is provided on the first circuit board
One feeding point, the first grounding point for connecting the floor of the first circuit board and mobile terminal, and being used for will be described
The first switch point of the antenna tuning switch chip of first circuit board and mobile terminal connection.
Further, the first circuit board is connected to the mainboard by the first radio-frequency transmission line.
Further, for the second circuit board to be connect with the mainboard is provided on the second circuit board
Two feeding points and third feeding point, for by the second grounding point of the floor of the second circuit board and mobile terminal connection and the
Three grounding points, for by the second switch point of the antenna tuning switch chip of the second circuit board and mobile terminal connection and the
Three switching points.
Further, the second circuit board is connected to mainboard by the second radio-frequency transmission line to transmit second antenna
The signal received is to the mainboard.
Further, the second circuit board is connected to mainboard by third radio-frequency transmission line to transmit the third antenna
The signal received is to the mainboard.
Further, the part connecting on the frame with the metal segments both ends is plastic cement section.
The utility model also provides a kind of mobile terminal, wherein including mobile terminal double antenna structure as described above.
Further, the mainboard is located at the top of mobile terminal, and the first circuit board and second circuit board are positioned at described
Mobile terminal bottom.
The utility model mobile terminal double antenna structure includes frame and mainboard, and the bottom end of the frame is provided with for making
For the metal segments of mobile terminal antenna, there are two breakpoints that the metal segments are from left to right divided into first for setting in the metal segments
Antenna, the second antenna and third antenna, the equal length of the length of the first antenna and the third antenna, and described
The length of one antenna and the length of second antenna are less than the length of the third antenna, so that the first antenna and second
Antenna as high frequency antenna, the third antenna be used as in low-frequency antenna；The first antenna connection one is used for first antenna
The signal received is sent to the first circuit board of the mainboard, and second antenna connects one with third antenna for will be described
The signal that second antenna and third antenna receive is sent to the second circuit board of the mainboard, the first circuit board and second
Circuit board is connect with mainboard.The utility model is provided with two high frequency antennas, can be selected in two high frequency antennas one will not
Lesser use is interfered with each other or interfered with middle low-frequency antenna, avoids high frequency antenna and middle low-frequency antenna there are double antennas and is mutually dry
The problem of disturbing avoids double antenna from interfering with each other without other design optimization cabling and change layout, easy to operate, reduces
Design cost.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Embodiment and its explanation please is not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model mobile terminal double antenna structure.
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Specific embodiment
Presently filed embodiment is described in detail below in conjunction with accompanying drawings and embodiments, how the application is applied whereby
Technological means solves technical problem and reaches the realization process of technical effect to fully understand and implement.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combine.
In the description of the present invention, it should be understood that the side of the instructions such as term " on ", "lower", "left", "right"
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
Fig. 1 is the structural schematic diagram of the utility model mobile terminal double antenna structure, as shown in Figure 1, the double days of mobile terminal
Cable architecture 1 includes frame 10, mainboard 20.Fig. 2 is the enlarged drawing of part A in Fig. 1, as shown in Fig. 2, the setting of 10 bottom end of frame is useful
In the metal segments 11 as mobile terminal antenna, metal segments 11 can be used as the antenna of mobile terminal.Two are provided in metal segments 11
A breakpoint, respectively the first breakpoint 114 and the second breakpoint 115, the first breakpoint 114 and the second breakpoint 115 are by metal segments 11 from a left side
It is divided into first antenna 111, the second antenna 112 and third antenna 113, the length of first antenna 111 and third antenna 113 to the right side
It is equal, and the length of first antenna 111 and the length of third antenna 113 are both less than the length of the second antenna 112, so that first day
Line 111 and third antenna 113 are used as high frequency antenna, and low-frequency antenna in the conduct of the second antenna 112 is equivalent to preparatory preparation in this way
First antenna 111 and third antenna 113 liang of strip antennas are as high frequency antenna alternative, when specific assembly, select first day
With the second antenna 112 do not interfere with or interfere in line 111 and third antenna 113 it is lesser as high frequency antenna, thus
Other design optimization cabling and change layout are avoided to avoid antenna from interfering with each other, the embodiment of the utility model is easy to operate,
Reduce design cost.
First antenna 111 and third antenna 113 design two corners in 10 bottom of frame, that is to say, that this is practical
It is novel can in two corners of 10 bottom of frame an optional corner as high frequency antenna.Based on resonance quarter-wave
Principle, the corner of 10 bottom of frame can only be used as high frequency antenna, the middle position of bottom be used as in low-frequency antenna.
First antenna 111, the second antenna 112 and third antenna 113 are all connected with circuit board, are connected to by circuit board
Mainboard 20.Specifically, first antenna 111 connects first circuit board 30, first circuit board 30 is connect with mainboard 20, so that first day
The signal that line 111 receives is sent to mainboard 20.Second antenna 112 and third antenna 113 share second circuit board 40, the second electricity
Road plate 40 is connect with mainboard 20, and the signal that the second antenna 112 and third antenna 113 receive is sent to mainboard 20, can be with
Understand, second circuit board 40 separately designs circuit for the second antenna 112 and third antenna 113, to handle second respectively
The signal that the signal and third antenna 113 that antenna 112 receives receive, based on locating for the second antenna 112 and third antenna 113
Position and complete machine stacked structure consider, the second antenna 112 and the corresponding circuit board of third antenna 113 can be integrated into one
Block circuit board, also can be reduced number of parts in this way, facilitate installation.
The height of 11 left and right ends of metal segments is equal, makes the generally U-shaped of metal segments 11, first antenna 111 and third antenna
113 are located at U-shaped both ends, and the second antenna 112 is the interlude of U-shaped, and first antenna 111 and third antenna 113 are entire
It is symmetrical set in metal segments 11, being symmetrical arranged in this way can easy to process and installation.
The first feeding point 31, the first grounding point 32 and first switch point 33 are provided on first circuit board 30.First feedback
20 signal of mainboard and first antenna 111 are realized and are connected for connecting first circuit board 30 with mainboard 20 by electricity point 31.First connects
Place 32 is for first circuit board 30 to be connect with the floor of mobile terminal, to realize the ground connection of first antenna 111.First switch
Point 33 realizes first antenna 111 and movement for first circuit board 30 to be connect with the antenna tuning switch chip of mobile terminal
Resonance tuning is realized in the connection of the antenna tuning switch chip of terminal.Feeding point, grounding point and the switching point of antenna specifically how
It is arranged to being the prior art on circuit board, details are not described herein.
As shown in Fig. 2, first circuit board 30 passes through the first radio-frequency transmission line 50(cable) it is connected to mainboard 20, by the
The signal that one antenna 111 receives is sent to mainboard 20.
The second feeding point 41, the second grounding point 42, second switch point 43, third feeding point are provided on second circuit board 40
44, third grounding point 45 and third switching point 46.Second feeding point 41, the second grounding point 42, the setting of second switch point 43 exist
On second circuit board 40 in circuit corresponding with the second antenna 112, third feeding point 44, third grounding point 45 and third switch
Point 46 is arranged on second circuit board 40 in circuit corresponding with third antenna 113.
Second feeding point 41 is used to for second circuit board 40 connecting with mainboard 20 with by 20 signal of mainboard and the second antenna 112
Realize connection.Second grounding point 42 with the floor of mobile terminal for connecting second circuit board 40 to realize the second antenna 112
Ground connection.Second switch point 43 is used to for second circuit board 40 to connect realization second with the antenna tuning switch chip of mobile terminal
Resonance tuning is realized in the connection of the antenna tuning switch chip of antenna 112 and mobile terminal.
Third feeding point 44 is used to for second circuit board 40 connecting with mainboard 20 with by 20 signal of mainboard and third antenna 113
Realize connection.Third grounding point 45 with the floor of mobile terminal for connecting second circuit board 40 to realize third antenna 113
Ground connection.Third switching point 46, which is used to for second circuit board 40 connecting with the antenna tuning switch chip of mobile terminal, realizes third
Resonance tuning is realized in the connection of the antenna tuning switch chip of antenna 113 and mobile terminal.
As depicted in figs. 1 and 2, second circuit board 40 is connected to mainboard 20 by the second radio-frequency transmission line 60 to transmit second
The signal that antenna 112 receives to mainboard 20, second circuit board 40 is connected to mainboard 20 by third radio-frequency transmission line 70 to pass
The signal that defeated third antenna 113 receives is to mainboard 40.
Connection between each circuit board and antenna is connected using elastic slice.It is connected between first circuit board 30 and first antenna 111
There is elastic slice.Antenna is also connected between second circuit board 40 and the second antenna 112, third antenna 113.Due to second circuit board 40
On be provided with the circuit for respectively corresponding the second antenna 112 and third antenna 113, so on second circuit board 40 with the second antenna
112 corresponding circuits are connected to the second antenna 112, circuit corresponding with third antenna 113 on second circuit board 40 by elastic slice
Third antenna 113 is connected to by elastic slice.And due to first circuit board 30 corresponding first antennas 111, naturally, first
The circuit that first antenna 111 is corresponded on circuit board 30 is connected to first antenna 111 by elastic slice.
In order to make first antenna 111 and third antenna 113 reach the requirement as high frequency antenna, it is based on resonance a quarter
The principle of wavelength, quarter-wave of the distance of first the 31 to the first breakpoint of feeding point 114 close to high frequency, third feeding point 44
To the second breakpoint 115 distance close to high frequency quarter-wave.In order to reach the second antenna 112 as middle low-frequency antenna
Requirement, the quarter-wave of the distance of second the 41 to the second breakpoint of feeding point 115 close to low frequency.
The part connecting on frame 10 with 11 both ends of metal segments is plastic cement section, since plastic cement material cannot function as antenna, this
Even if sample in the both ends breaking point of metal segments 11, metal segments 11 can also not isolated on frame 10, thus by metal
Antenna of the section 11 as mobile terminal.
The utility model also provides a kind of mobile terminal, including mobile terminal double antenna structure 1 as described above, such as Fig. 1
Shown, mainboard 20 is located at the top of mobile terminal, and first circuit board 30 and second circuit board 40 are located at mobile terminal bottom, so as to move
Dynamic terminal is optimal structure.
In conclusion the utility model mobile terminal double antenna structure includes frame and mainboard, the bottom end of the frame is set
Be equipped with for the metal segments as mobile terminal antenna, in the metal segments setting there are two breakpoint by the metal segments from a left side to
The right side is divided into first antenna, the second antenna and third antenna, the length phase of the length of the first antenna and the third antenna
Deng and the length of the length of the first antenna and second antenna is less than the length of the third antenna, so that described the
One antenna and the second antenna as high frequency antenna, the third antenna be used as in low-frequency antenna；The first antenna connection one is used
It is sent to the first circuit board of the mainboard in the signal for receiving first antenna, second antenna is connected with third antenna
One for the signal that second antenna and third antenna receive to be sent to the second circuit board of the mainboard, and described first
Circuit board and second circuit board are connect with mainboard.The utility model is provided with two high frequency antennas, can be in two high frequency antennas
Selection one will not interfere with each other or interfere lesser use with middle low-frequency antenna, and high frequency antenna and middle low-frequency antenna is avoided to exist
The problem of double antenna interferes with each other avoids double antenna from interfering with each other without other design optimization cabling and change layout,
It is easy to operate, reduce design cost.
It should be understood that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
It says, it can be modified or changed according to the above description, and all these modifications and variations all should belong to the appended power of the utility model
The protection scope that benefit requires.
Claims (10)
1. a kind of mobile terminal double antenna structure, including frame and mainboard, the bottom end of the frame is provided with for as movement
The metal segments of terminal antenna, which is characterized in that setting from left to right divides the metal segments there are two breakpoint in the metal segments
For first antenna, the second antenna and third antenna, the equal length of the length of the first antenna and the third antenna, and
The length of the first antenna and the length of second antenna are less than the length of the third antenna, so that the first antenna
With the second antenna as high frequency antenna, the third antenna be used as in low-frequency antenna；
The signal that the first antenna connection one is used to receive first antenna is sent to the first circuit board of the mainboard, institute
Stating the second antenna, that one is connected with third antenna is described for the signal that second antenna and third antenna receive to be sent to
The second circuit board of mainboard, the first circuit board and second circuit board are connect with mainboard.
2. mobile terminal double antenna structure according to claim 1, which is characterized in that the height of the metal segments left and right ends
It spends equal.
3. mobile terminal double antenna structure according to claim 1, which is characterized in that be provided on the first circuit board
The first feeding point for the first circuit board to be connect with the mainboard is used for the first circuit board and mobile terminal
Floor connection the first grounding point, and for the antenna tuning switch chip of the first circuit board and mobile terminal to be connected
The first switch point connect.
4. mobile terminal double antenna structure according to claim 3, which is characterized in that the first circuit board passes through first
Radio-frequency transmission line is connected to the mainboard.
5. mobile terminal double antenna structure according to claim 1, which is characterized in that be provided on the second circuit board
The second feeding point and third feeding point for the second circuit board to be connect with the mainboard are used for the second circuit
The second grounding point and third grounding point of the floor of plate and mobile terminal connection, are used for the second circuit board and mobile terminal
Antenna tuning switch chip connection second switch point and third switching point.
6. mobile terminal double antenna structure according to claim 5, which is characterized in that the second circuit board passes through second
Radio-frequency transmission line is connected to mainboard to transmit signal that second antenna receives to the mainboard.
7. mobile terminal double antenna structure according to claim 5, which is characterized in that the second circuit board passes through third
Radio-frequency transmission line is connected to mainboard to transmit signal that the third antenna receives to the mainboard.
8. mobile terminal double antenna structure according to claim 1, which is characterized in that on the frame with the metal segments
The part of both ends connection is plastic cement section.
9. a kind of mobile terminal, which is characterized in that including the described in any item mobile terminal double antenna knots of such as claim 1-8
Structure.
10. mobile terminal according to claim 9, which is characterized in that the mainboard is located at the top of mobile terminal, and described the
One circuit board and second circuit board are located at the mobile terminal bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821918964.4U CN209088060U (en) | 2018-11-21 | 2018-11-21 | Mobile terminal double antenna structure and its mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821918964.4U CN209088060U (en) | 2018-11-21 | 2018-11-21 | Mobile terminal double antenna structure and its mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209088060U true CN209088060U (en) | 2019-07-09 |
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ID=67124909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821918964.4U Active CN209088060U (en) | 2018-11-21 | 2018-11-21 | Mobile terminal double antenna structure and its mobile terminal |
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| Country | Link |
|---|---|
| CN (1) | CN209088060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448131A (en) * | 2020-11-12 | 2021-03-05 | 厦门亿联网络技术股份有限公司 | Antenna structure and radio base station |
-
2018
- 2018-11-21 CN CN201821918964.4U patent/CN209088060U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448131A (en) * | 2020-11-12 | 2021-03-05 | 厦门亿联网络技术股份有限公司 | Antenna structure and radio base station |
| CN112448131B (en) * | 2020-11-12 | 2022-12-13 | 厦门亿联网络技术股份有限公司 | Antenna structure and radio base station |
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