CN207542395U - A kind of mini network interface cards dual-channel antenna - Google Patents
A kind of mini network interface cards dual-channel antenna Download PDFInfo
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- CN207542395U CN207542395U CN201721455871.8U CN201721455871U CN207542395U CN 207542395 U CN207542395 U CN 207542395U CN 201721455871 U CN201721455871 U CN 201721455871U CN 207542395 U CN207542395 U CN 207542395U
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- antenna
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- interface cards
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Abstract
The utility model discloses a kind of mini network interface cards dual-channel antennas, it is characterised in that：Including antenna body, the antenna body includes first antenna, the second antenna and the connecting portion being connected between first antenna and the second antenna, the first antenna is distributed in the both sides of connecting portion with the second antenna symmetry, the first antenna, the second antenna are equipped with the first U-shaped radiator, the First Line and the second antenna pattern are identical, and first antenna, the second antenna are connected as one to form the second U-shaped by antenna body by connecting portion.The antenna of the utility model meets network interface card small form factor requirements, improves the handling capacity of MIMO signal, compact-sized reasonable, installation is more firm.
Description
Technical field
The utility model is related to antenna technical field, more particularly to a kind of mini network interface cards dual-channel antenna.
Background technology
With the progress and development of social science and technology, hand-held mobile communicating equipment has become indispensable one of daily life
Kind tool.It is very fast that various mobile terminal devices popularity rate socially promotes speed, most convenient, most quick among these
Mode be exactly wireless access way because wireless access way has saved a large amount of network construction expense, can quickly advise
It draws, Fast Installation, quickly come into operation, safeguard also relatively succinct.And modern communications technology requires high unicom rate, good letter
Number intensity, sensitive reaction speed and good antijamming capability, the requirement of wireless communication on application circuit in addition to that will carry out
The design of relevant parameter, the performance of prior radiator (antenna) are also particularly important, and carry-on WIFI requirements network interface card is small-sized
Change, MIMO communication throughputs it is high, so the characteristics of in order to meet this product, corresponding built-in aerial just need it is same it is light,
It is thin, small, and the performance of antenna itself cannot be but substantially reduced.Existing double-antenna structure is individually designed simultaneously using 2 antennas
And designed using 2 support constructions and line-styled, the signal that such aerial radiation comes out can inevitably have differences, and reduce
The handling capacity of MIMO communications, supporting point is less to lead to install unsteady phenomenon, and the antenna volume of "-" type design compared with
The big miniaturization for being unfavorable for network interface card.
Invention content
The purpose of the utility model is to overcome shortcomings of the prior art, provide a kind of miniaturization, and MIMO signal is equal
Weighing apparatusization, the mini network interface card dual-channel antennas of stabilized structure.
In order to solve the above technical problems, the utility model is solved by following technical proposals：
A kind of mini network interface cards dual-channel antenna, it is characterised in that：Including antenna body, the antenna body includes first day
Line, the second antenna and the connecting portion being connected between first antenna and the second antenna, the first antenna and the second antenna pair
Claim to be distributed in the both sides of connecting portion, the first antenna, the second antenna are equipped with the first U-shaped radiator, the First Line and
Second antenna pattern is identical, and first antenna, the second antenna are connected as one to form the second U-shaped by antenna body by connecting portion
Shape.
Preferably, the connecting portion is equipped with several first support chips to one kind as said program, and the radiator is equipped with
Several second support chips, first support chip, the second support chip are mutually parallel and extend in the same direction.
Specifically, first support chip is equipped with 4, the second support chip is equipped with 2, and 4 the first support chips and 2 the
The bottom support vertex of two support chips is formed in conplane supporting surface.
Preferably, the material of the antenna body is foreign white copper.
Preferably, the thickness of the foreign white copper is more than or equal to 0.3mm.
Specifically, plane two where the second U-shaped that the plane where the first U-shaped radiator is formed with antenna body
Person is mutually perpendicular to.
Specifically, the second U-shaped opening that the first U-shaped radiator opening direction is formed with antenna body is distinguished
In the opposite direction.
Preferably, it is linear positioned at 4 support chips of the connecting portion, positioned at described in 2 of the radiator
Support chip is in " L " font.
The utility model has the following advantages compared with prior art and advantageous effect：
1.mini network interface cards dual-channel antenna is integrally using symmetrical structure, the MIMO signal intensity come out in this way from aerial radiation
It is almost consistent, communication throughput ability is improved, increases communication distance.
2.mini network interface cards dual-channel antenna is equipped with 6 support chips, and support chip distribution takes into account mechanics stability, improves production
The consistency of product also avoids the antenna deformation problem caused by built on the sand, simultaneously as firm may be used SMT production technologies,
Greatly improve volume production efficiency.
3. the radiator of first antenna and the second antenna seams meter using " U " font groove, using " U " font groove slit into collection
Capacitance, the characteristic of inductance realizes the low frequency matching effect of antenna, therefore can greatly reduce antenna size.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a kind of structure diagram of mini network interface cards dual-channel antenna.
Fig. 2 is a kind of vertical view of mini network interface cards dual-channel antenna.
Fig. 3 is a kind of side view of mini network interface cards dual-channel antenna.
Specific embodiment
The utility model is described in further detail with reference to embodiment and attached drawing, but the implementation of the utility model
Mode is without being limited thereto.
The specific implementation process of the utility model is as follows：
As shown in Figure 1 to Figure 3, a kind of mini network interface cards dual-channel antenna, including antenna body 1, the antenna body 1 includes
First antenna 2, the second antenna 3 and the connecting portion 101 being connected between 2 and second antenna 3 of first antenna, the first antenna
2 and second antenna 3 be symmetrically distributed in the both sides of connecting portion 101, the first antenna 2, the second antenna 3 are equipped with the first U-shaped
Radiator 4, the First Line 2 is identical with 3 shape of the second antenna, and antenna body 1 by connecting portion 101 by first antenna 2,
Two antennas 3 are connected as one to form the second U-shaped.Conventional PIFA antenna radiator using "-" type design, antenna volume compared with
It is unfavorable for minimizing greatly, and the antenna radiator of the utility model is designed using "U" shaped, is formed and collected using the "U" shaped line of rabbet joint
Kind capacitance, inductance characteristic realizes the low frequency matching effect of antenna, therefore can greatly reduce antenna size.
The connecting portion 101 is equipped with several first support chips 5, and the radiator 4 is equipped with several second support chips 6,
First support chip 5, the second support chip 6 are mutually parallel and extend in the same direction.First support chip 5 is equipped with 4, and the
Two support chips 6 are equipped with 2, and the bottom support vertex of 4 the first support chips 5 and 2 the second support chips 6 is formed in same plane
Supporting surface.The support chip is distributed on antenna body in "U" shaped, the structure of this branched blade and support chip " U " word
The distribution mode of shape has the characteristics that mechanical stability.
Length 8, width 7, the height 9 of the mini network interface cards dual-channel antenna are fixed dimension.The supporting point is contact pin
Formula designs, and the supporting point is equipped with for being inserted into the protrusion in PCB through hole, and the ontology 1 of the antenna is by gold of the thickness for 0.3mm
Belong to piece to be made, the preferred sheet metal of the present embodiment is foreign white copper, and the mode of production is integrally formed using hardware dies punching press, due to this
The antenna body 1 of utility model is whole in "U" shaped, and antenna mounting means is plug-in unit, the printed circuit board with using the antenna
PCB merges into a single whole, and the connection of mini network interface cards dual-channel antenna may be used using the mode of the printing board PCB of the antenna
SMT production technologies instead of the external welding antenna structure of traditional antenna, simplify production process, improve volume production efficiency.
In the present embodiment, the length of the mini network interface cards dual-channel antenna, width, height, for fixed dimension, the length
8 be 15.3mm, and the width 7 is 12.45mm, and the height 9 is 2.8mm, the length 8, height 9, width 7 and thickness
Tolerance be ± 0.01mm.Since the length, width and height size and the USB joint of a standard of the mini network interface cards dual-channel antenna are big
It is small quite, space is not take up, can be carried around.The test result electrical length that emulation testing antenna performance is carried out using HFSS is all inclined
It is short, practical on board tests, then add matching that can accomplish 2.4~2.5GHz return loss<- 10dB, to centre frequency
2.45G is far-field scanning, peak gain value 1.5dBi, and field pattern is class omni-directional in the horizontal plane.The mini network interface cards
Dual-channel antenna actual sample test 2.45GHz can reach -30dB, 2.4~2.5GHz<- 7dB, bandwidth 80MHz.
Plane two where the second U-shaped that plane where the first U-shaped radiator 4 is formed with antenna body 1
Person is mutually perpendicular to.The second U-shaped opening that first U-shaped radiator, 4 opening direction and antenna body 1 are formed court respectively
Opposite direction.It, can from second antenna 3 since using the above structure, primary antenna signal can be generated from the first antenna 2
To generate slave antenna signal, the primary antenna signal and slave antenna signal have been formed about an aerial signal in the connecting portion
Area is superimposed, the synergistic effect of aerial signal enhances MIMO signal intensity.
4 first support chips 5 positioned at the connecting portion are linear, positioned at 2 described of the radiator
Two support chips 6 are in " L " font.Conventional PIFA antenna uses 2 support constructions, and the utility model is using the second of " L " font
The advantages of support chip 6 and "U" shaped radiator 4 is the space for being not only effectively utilized the printing board PCB using the antenna, but also
The mounting stability of the mini network interface cards dual-channel antenna is enhanced, and at the same time ensure the miniaturization of antenna, low profile ruler
The characteristics of very little, saves cost, maintains the overall appearance of product.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model is not by above-mentioned
The limitation of embodiment, the change made under other any Spirit Essences and principle without departing from the utility model are modified, are replaced
In generation, simplifies combination, should be equivalent substitute mode, is included within the scope of protection of the utility model.
Claims (8)
1. a kind of mini network interface cards dual-channel antenna, it is characterised in that：Including antenna body, the antenna body includes first day
Line, the second antenna and the connecting portion being connected between first antenna and the second antenna, the first antenna and the second antenna pair
Title is distributed in the both sides of connecting portion, and the first antenna, the second antenna are equipped with the first U-shaped radiator, the first antenna
It is identical with the second antenna pattern, and first antenna, the second antenna are connected as one to form the 2nd U by antenna body by connecting portion
Word shape.
2. a kind of mini network interface cards dual-channel antenna according to claim 1, which is characterized in that the connecting portion is equipped with several
A first support chip, the radiator are equipped with several second support chips, and first support chip, the second support chip are mutually parallel
And extend in the same direction.
3. a kind of mini network interface cards dual-channel antenna according to claim 2, which is characterized in that first support chip is equipped with
4, the second support chip is equipped with 2, and that vertex is supported to be formed in is same for the bottom of 4 the first support chips and 2 the second support chips
The supporting surface of plane.
4. a kind of mini network interface cards dual-channel antenna according to claim 1, it is characterised in that：The material of the antenna body
For foreign white copper.
5. a kind of mini network interface cards dual-channel antenna according to claim 4, it is characterised in that：The thickness of the foreign white copper is big
In equal to 0.3mm.
6. a kind of mini network interface cards dual-channel antenna according to claim 1, it is characterised in that：First U-shaped radiator institute
The second U-shaped for being formed with antenna body of plane where plane be mutually perpendicular.
7. a kind of mini network interface cards dual-channel antenna according to claim 1, it is characterised in that：The first U-shaped radiation
The second U-shaped opening difference that body opening direction is formed with antenna body is in the opposite direction.
8. a kind of mini network interface cards dual-channel antenna according to claim 3, it is characterised in that：Positioned at the connecting portion
(101) 4 first support chips are linear, and 2 second support chips positioned at the radiator are in " L " font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721455871.8U CN207542395U (en) | 2017-11-03 | 2017-11-03 | A kind of mini network interface cards dual-channel antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721455871.8U CN207542395U (en) | 2017-11-03 | 2017-11-03 | A kind of mini network interface cards dual-channel antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207542395U true CN207542395U (en) | 2018-06-26 |
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ID=62612172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721455871.8U Active CN207542395U (en) | 2017-11-03 | 2017-11-03 | A kind of mini network interface cards dual-channel antenna |
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| CN (1) | CN207542395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957563A (en) * | 2018-09-26 | 2020-04-03 | 李尔公司 | Antenna for base station of wireless remote control system |
-
2017
- 2017-11-03 CN CN201721455871.8U patent/CN207542395U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957563A (en) * | 2018-09-26 | 2020-04-03 | 李尔公司 | Antenna for base station of wireless remote control system |
| CN110957563B (en) * | 2018-09-26 | 2022-02-22 | 李尔公司 | Base station and antenna for wireless remote control system |
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