CN207426134U - Main collection antenna assembly and mobile terminal - Google Patents
Main collection antenna assembly and mobile terminal Download PDFInfo
- Publication number
- CN207426134U CN207426134U CN201721221871.1U CN201721221871U CN207426134U CN 207426134 U CN207426134 U CN 207426134U CN 201721221871 U CN201721221871 U CN 201721221871U CN 207426134 U CN207426134 U CN 207426134U
- Authority
- CN
- China
- Prior art keywords
- electrically connected
- rear cover
- match circuit
- main collection
- antenna assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of main collection antenna assemblies, and including metal back cover, center and circuit board, the metal back cover is covered in the opening of the center, in the space that the circuit board is arranged on the metal back cover and the center surrounds；The metal back cover includes the first rear cover, the second rear cover of mutually insulated, the circuit board is electrically connected equipped with signal processing apparatus, the antenna being electrically connected with signal processing apparatus feed foot and the first grounding leg for antenna ground, the antenna feed foot and the grounding leg on the different position of first rear cover.The utility model discloses a kind of main collection antenna assemblies and mobile terminal, metal back cover to cut out one section and be put into metallic section as antenna radiator, realizes sending and receiving for aerial signal, optimizes the performance of each band antenna signal by setting tuning switch.
Description
Technical field
The utility model is related to field of antenna, more specifically to a kind of main collection antenna assembly and mobile terminal.
Background technology
In modern cell phones design, more and more manufacturers like adding in more metallic elements at present so that mobile phone is picked up
More to have texture, promotion user experience.But excessive metallic element, especially all-metal back-cover, to Antenna Design and antenna performance
Realization cause very big difficult and challenge, how to solve the transmitting-receiving of aerial signal in all-metal mobile phone becomes current each factory
Business's urgent problem.
Utility model content
It is a kind of using after metal the technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide
Lid makees the main collection antenna assembly of radiation carrier.
In order to realize above-mentioned purpose, the utility model employs following technical solution：
A kind of main collection antenna assembly, including metal back cover, center and circuit board, the metal back cover is covered on the center
Opening on, the circuit board is arranged in the space that the metal back cover and the center surround；The metal back cover includes phase
The first rear cover, the second rear cover mutually to insulate, the circuit board are equipped with signal processing apparatus, are electrically connected with the signal processing apparatus
Antenna feed foot and the first grounding leg for antenna ground, the antenna feed foot and the grounding leg are electrically connected
In on the different position of first rear cover.
Preferably, tuning switch and matching network are additionally provided on the circuit board, the common port of the tuning switch is electrically connected
First rear cover is connected to, the mating end of the tuning switch is electrically connected to the matching network.
Preferably, the tuning switch be four throw switch of hilted broadsword, the matching network include the first match circuit, second
With circuit, the 3rd match circuit and the 4th match circuit；The common port of the tuning switch is electrically connected to described by shrapnel
The inner surface of one rear cover, the first mating end of the tuning switch are electrically connected to first match circuit, the tuning switch
The second mating end be electrically connected to second match circuit, the 3rd mating end of the tuning switch is electrically connected to the described 3rd
Match circuit, the 4th mating end of the tuning switch are electrically connected to the 4th match circuit.
Preferably, first match circuit includes the first inductance, and one end of first inductance is electrically connected to described the
One mating end, other end ground connection；Second match circuit includes the second inductance, and described second inductance one end is electrically connected to described
Second mating end, other end ground connection；3rd match circuit is the hanging match bit being electrically connected with the 3rd mating end；Institute
Stating the 4th match circuit includes capacitance, and described capacitance one end is electrically connected to the 4th mating end, other end ground connection.
Preferably, the second grounding leg is additionally provided on the circuit board, after second grounding leg is electrically connected to described first
Lid.
Preferably, first rear cover, second rear cover are arranged at intervals to form partition grooves, are filled in the partition grooves
Insulating materials enhances the intensity of metal back cover.
Preferably, first rear cover, the outer surface of second rear cover are equipped with a layer insulating, prevent from using
Human hand causes the first rear cover and the short circuit of the second rear cover in journey.
Preferably, the width range of partition grooves is 1.6mm to 2mm.
The utility model additionally provides a kind of mobile terminal, includes the antenna assembly of any above-mentioned main collection.This practicality is new
Type discloses a kind of main collection antenna assembly and mobile terminal, metal back cover cut out one section and be put into metal area as antenna radiator
Section, realizes sending and receiving for aerial signal, optimizes the performance of each band antenna signal by setting tuning switch.
Description of the drawings
Fig. 1 is the center of the utility model embodiment and circuit board composition state diagram.
Fig. 2 is the metal back cover schematic diagram of the utility model embodiment.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
The utility model is further described in example.It should be appreciated that specific embodiment described herein is only used to explain this reality
With new, it is not used to limit the utility model.
As depicted in figs. 1 and 2, the main collection antenna assembly of the utility model embodiment includes metal back cover 10,30 and of center
Circuit board 20, metal back cover 10 are covered in the opening of center 30, and circuit board 20 is arranged at metal back cover 10 and center surrounds
In space, metal back cover 10 is divided into the first rear cover 12 and the second rear cover 13 by opening up partition grooves 11, is set on circuit board 20
The signal processing apparatus that is useful for handling and generate aerial signal, the antenna being electrically connected with signal processing apparatus feed foot 21 and
For the first grounding leg 22 of antenna ground, antenna feed foot 21, the first grounding leg 22 are electrically connected in the first rear cover 12
On different position, sending and receiving for aerial signal is realized by the first rear cover 12.
Further, tuning switch 23 and matching network are additionally provided on circuit board 20, the common port of tuning switch 23 is electrically connected
The first rear cover is connected to, the mating end of tuning switch 23 is electrically connected to matching network, when antenna assembly is operated in different frequency range, leads to
It crosses tuning switch 23 and selects the Different matching circuit in different matching networks with tuned antenna performance.
Preferably, the tuning switch 23 of the present embodiment is preferably four throw switch of hilted broadsword, and matching network includes
First match circuit, the second match circuit, the 3rd match circuit and the 4th match circuit.The common port of tuning switch 23 passes through bullet
Piece is electrically connected to the first rear cover 12, and the first mating end of tuning switch 23 is electrically connected to the first match circuit, tuning switch 23
Second mating end is electrically connected to the second match circuit, and the 3rd mating end of tuning switch 23 is electrically connected to the 3rd match circuit, adjusts
4th mating end of humorous switch 23 is electrically connected to the 4th match circuit.Wherein tuning switch 23 is controlled by baseband chip, works as antenna
When device is operated in different antennae frequency range, tuning switch 23 turns on corresponding match circuit.
Further, the first match circuit includes the first inductance, and one end of the first inductance is electrically connected to the first mating end, separately
One end is grounded；Second match circuit includes the second inductance, and one end of the second inductance is electrically connected to the second mating end, another termination
Ground；3rd match circuit is the hanging match bit being electrically connected with the 3rd mating end；4th match circuit includes capacitance, capacitance
One end is electrically connected to the 4th mating end, other end ground connection.Wherein, the value of the first inductance is 33Nh, and the value of the second inductance is
6.8Nh, the value of capacitance is 3.9pf.
Further, the second grounding leg 24 is additionally provided on circuit board 20, the second grounding leg 24 is electrically connected to the first rear cover 12
Inner surface, so can further optimize antenna performance.
Specifically, the first rear cover 12 include the first side and second side vertical with partition grooves 11, and first side and
Second side is opposite, and antenna feed foot 21 is located at circuit board 20 on the region of first side, and tuning switch 23 is located at circuit
Plate 20 is on the region of second side.Wherein, antenna feeds foot 21 to the antenna loop between first side for resonance frequency
The aerial signal of rate scope 2.3GHz to 2.7GHz；Antenna feeds foot 21 to the antenna loop between first side for resonance frequency
The aerial signal of rate scope 700MHz to 960MHz；Tuning switch 23 to the antenna loop between second side is used for resonant frequency
The aerial signal of scope 1.7GHz to 2.1GHz.
Further, in order to ensure structural strength, insulating materials is filled in partition grooves 11, partition grooves 11 fill insulation material
It is complete structure after material, ensure that the appearance of metal back cover 10.In addition, in order to prevent in actual use, human hand
Touching influences antenna performance so that short circuit occurs for the first rear cover 12 and the second rear cover 13, the first rear cover 12, the second rear cover 13 it is outer
Surface is equipped with a layer insulating, can be formed by way of anodic oxidation in the outer surface of the first rear cover 12, the second rear cover 13
Insulating layer.The width range of above-mentioned partition grooves 11 is 1.6mm to 2mm, the first rear cover 12 from close to one end of partition grooves 11 to remote
It is preferably 7.5mm with a distance from one end of partition grooves 11.
In order to be further tuned antenna performance, day is additionally provided on the feeder line between signal processing apparatus and antenna feed foot 21
Lines matching position, wherein antenna match position are preferably double L-shaped match bit, and antenna match value is determined according to debugging result.Circuit board 20
Upper and partition grooves 11,12 face of the first rear cover region on be equipped with antenna headroom area.
The mobile terminal of the present embodiment has above-mentioned main collection antenna assembly, and mobile terminal includes but not limited to intelligent hand
Machine, tablet computer, wherein the first rear cover 12 is located at the bottom of mobile terminal.
The utility model discloses a kind of main collection antenna assembly and mobile terminal, metal back cover cuts out one section and is used as antenna spoke
Beam is put into metallic section, realizes sending and receiving for aerial signal, optimizes each band antenna by setting tuning switch
The performance of signal.
Specific embodiment of the present utility model is described in detail above, although having show and described some realities
Example is applied, it will be understood by those skilled in the art that not departing from defined by the claims and their equivalents practicality
In the case of new principle and spirit, it can modify to these embodiments and perfect, these modifications and improve also should be
In the scope of protection of the utility model.
Claims (9)
1. a kind of main collection antenna assembly, which is characterized in that described including metal back cover (10), center (30) and circuit board (20)
Metal back cover (10) is covered in the opening of the center (30), and the circuit board (20) is arranged on the metal back cover (10) and institute
It states in the space that center (30) surrounds；The metal back cover (10) includes the first rear cover (12), the second rear cover of mutually insulated
(13), the antenna feed foot (21) that the circuit board (20) is equipped with signal processing apparatus, is electrically connected with the signal processing apparatus
And the first grounding leg (22) for antenna ground, the antenna feed foot (21) and the grounding leg (22) are electrically connected
In on the different position of first rear cover (12).
2. main collection antenna assembly according to claim 1, which is characterized in that be additionally provided with tuning on the circuit board (20) and open
It closes (23) and matching network, the common port of the tuning switch (23) is electrically connected to first rear cover (12), the tuning is opened
The multiple mating ends for closing (23) are electrically connected multiple match circuits in the matching network.
3. main collection antenna assembly according to claim 2, which is characterized in that the tuning switch (23) is opened for hilted broadsword four-throw
It closes, the matching network includes the first match circuit, the second match circuit, the 3rd match circuit and the 4th match circuit；It is described
The common port of tuning switch (23) is electrically connected to the inner surface of first rear cover (12), the tuning switch (23) by shrapnel
The first mating end be electrically connected to first match circuit, the second mating end of the tuning switch (23) is electrically connected to described
Second match circuit, the 3rd mating end of the tuning switch (23) are electrically connected to the 3rd match circuit, and the tuning is opened
The 4th mating end for closing (23) is electrically connected to the 4th match circuit.
4. main collection antenna assembly according to claim 3, which is characterized in that first match circuit includes the first electricity
Sense, one end of first inductance are electrically connected to first mating end, other end ground connection；Second match circuit includes the
Two inductance, described second inductance one end are electrically connected to second mating end, other end ground connection；3rd match circuit be with
The hanging match bit of the 3rd mating end electrical connection；4th match circuit includes capacitance, capacitance one end electrical connection
In the 4th mating end, other end ground connection.
5. main collection antenna assembly according to claim 1, which is characterized in that be additionally provided with second on the circuit board (20) and connect
Lower margin (24), second grounding leg (24) are electrically connected to first rear cover (12).
6. main collection antenna assembly according to claim 1, which is characterized in that after first rear cover (12), described second
Lid (13), which is arranged at intervals, forms partition grooves (11), and insulating materials is filled in the partition grooves (11).
7. main collection antenna assembly according to claim 6, which is characterized in that the width range of the partition grooves (11) is
1.6mm to 2mm.
8. main collection antenna assembly according to claim 1, which is characterized in that after first rear cover (12), described second
The outer surface of lid (13) is equipped with a layer insulating.
9. a kind of mobile terminal, which is characterized in that including the main collection antenna assembly of claim 1-8 any one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221871.1U CN207426134U (en) | 2017-09-21 | 2017-09-21 | Main collection antenna assembly and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221871.1U CN207426134U (en) | 2017-09-21 | 2017-09-21 | Main collection antenna assembly and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207426134U true CN207426134U (en) | 2018-05-29 |
Family
ID=62313904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721221871.1U Expired - Fee Related CN207426134U (en) | 2017-09-21 | 2017-09-21 | Main collection antenna assembly and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207426134U (en) |
-
2017
- 2017-09-21 CN CN201721221871.1U patent/CN207426134U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20180921 |