CN102802281B - Wireless Internet card - Google Patents
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- CN102802281B CN102802281B CN201110145127.9A CN201110145127A CN102802281B CN 102802281 B CN102802281 B CN 102802281B CN 201110145127 A CN201110145127 A CN 201110145127A CN 102802281 B CN102802281 B CN 102802281B
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- feeder line
- sheet metal
- groove structure
- micro groove
- antenna
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Abstract
The present invention relates to a kind of wireless Internet card,Including base band,The wireless networking control unit being arranged in the base band,Connect the radio frequency nest plate of wireless networking control unit,Connect the radio frequency nest plate and the antenna for launching and receiving wireless signal,And for connecting the USB interface of computer,Antenna includes medium substrate,It is attached to first sheet metal and second sheet metal of the medium substrate with respect to two surfaces,First sheet metal is provided with the first feeder line,Second feeder line,Second sheet metal is provided with the 3rd feeder line,4th feeder line,First feeder line and the second feeder line pass through the first sheet metal described in coupled modes feed-in,3rd feeder line and the 4th feeder line pass through the second sheet metal described in coupled modes feed-in,Equal hollow out has micro groove structure on first sheet metal and the second sheet metal,First feeder line is electrically connected with the 3rd feeder line,Second feeder line is electrically connected with the 4th feeder line.Antenna of the present invention can effectively strengthen signal strength, improve the performance of wireless Internet card.
Description
Technical field
The invention belongs to the communications field, and in particular, to a kind of wireless Internet card.
Background technology
Development and maturation with computer networking technology, wireless networking is popularized very much, and the data of wireless network are held
Loading capability is also increasingly stronger, and the wireless Internet card for wireless networking is then the indispensable electronic product of wireless networking.
Current wireless Internet card include base band, be connected in base band radio frequency nest plate, connect radio frequency nest plate antenna and
The USB interface being connected in base band.When in use, wireless Internet card is connected on computer by USB interface, in computer
Data are received from the networks such as 3G.Wireless Internet card receives the wireless signal in the networks such as 3G by antenna, via radio frequency nest plate
There is band signal to be transformed to baseband signal the wireless signal of receiving, then receipt is carried out by base band, solved from received signal
The identifiable data of computer are recalled, and the data that receipt is gone out are transferred to computer by USB interface.Equally, if computer
Need by wireless Internet card to the networks such as 3G send data, then computer by the data sending that USB interface will be sent to
Wireless Internet card, wireless networking open in base band the data that send will be needed to carry out that modulation after, have radio frequency nest plate will be pending
The modulates baseband signals sent send band signal on corresponding frequency band, then by antenna.Therefore, antenna conduct in signal transmission
Transfer component, its performance are extremely important.
In order to realize miniaturization, the defects of antenna of usual wireless Internet card is all built-in, brings is that signal is weak, number
It is not strong according to transmittability.
The content of the invention
The invention solves a technical problem be, for built-in wireless card of surfing Internet aerial signal it is weak the defects of, carry
For a kind of antenna by special designing, so that the wireless Internet card of signal enhancing.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of wireless Internet card, including base band, setting
In the base band and it is used for the wireless networking control unit of modulation /demodulation, the connection wireless networking control unit and is used for frequency
Radio frequency nest plate with conversion, the connection radio frequency nest plate and the antenna for launching and receiving wireless signal, and for connecting
The USB interface of computer,
The antenna includes medium substrate, is attached to first sheet metal and second metal of the medium substrate with respect to two surfaces
Piece, the first feeder line, the second feeder line are provided with around the first sheet metal, and the second sheet metal is provided with the 3rd feeder line, the 4th feedback
Line, first feeder line and the second feeder line pass through the first sheet metal described in coupled modes feed-in, the 3rd feeder line and the 4th
Feeder line is by the second sheet metal described in coupled modes feed-in, and hollow out has microflute on first sheet metal and the second sheet metal
Structure, first feeder line are electrically connected with the 3rd feeder line, and second feeder line is electrically connected with the 4th feeder line.
In the wireless Internet card of the present invention, hollow out has asymmetrical first micro groove structure and the on first sheet metal
Two micro groove structures on the first sheet metal to form the first metal routing, and hollow out has the asymmetrical 3rd on second sheet metal
Micro groove structure and the 4th micro groove structure on the second sheet metal to form the second metal routing.
In the wireless Internet card of the present invention, the antenna is preset with the space of electronic component insertion.
In the wireless Internet card of the present invention, the space is arranged on the first feeder line, the second feeder line, the first feeder line and first
Between sheet metal, between the second feeder line and the first sheet metal and this five positions of the first sheet metal it is at least one on.
In the wireless Internet card of the present invention, the space is arranged on the first metal routing on the first sheet metal, or
Space described in person is arranged on the first micro groove structure and/or the second micro groove structure.
In the wireless Internet card of the present invention, the space is arranged on the 3rd feeder line, the 4th feeder line, the 3rd feeder line and second
Between sheet metal, between the 4th feeder line and the second sheet metal and this five positions of the second sheet metal it is at least one on.
In the wireless Internet card of the present invention, the space is arranged on the second metal routing on the second sheet metal, or
Space described in person is arranged on the 3rd micro groove structure and/or the 4th micro groove structure.
In the wireless Internet card of the present invention, the electronic component of the insertion is perceptual electronic component, capacitive electrical element
Or resistance.
In the wireless Internet card of the present invention, the space is the pad being formed on the antenna.
In the wireless Internet card of the present invention, the scope of the perception electronic component inductance value is between 0-5uH, the appearance
The scope of property electronic component capacitance is between 0-2pF.
Implement the wireless Internet card of the present invention, have the advantages that：Antenna of the present invention can be directly built-in
In wireless Internet card, sheet metal is both provided with by the medium substrate two sides in antenna, takes full advantage of the space face of antenna
Product, effectively strengthens signal strength, and antenna can work under relatively low working frequency in such circumstances, meets antenna miniaturization, low
The requirement of working frequency, broadband multimode.
Brief description of the drawings
Fig. 1 is the structure diagram of the wireless Internet card of the present invention；
Fig. 2 is the stereogram of the first embodiment of antenna in wireless Internet card of the invention；
Fig. 3 is the structure diagram of the second embodiment of antenna；
Fig. 4 is the structure diagram of the 3rd embodiment of antenna；
Fig. 5 a are the schematic diagram of complementary opening resonance loop structure；
Fig. 5 b show the schematic diagram of complementary helix structure；
Fig. 5 c show the schematic diagram for the spiral ring structure that is open；
Fig. 5 d show the schematic diagram of the spiral ring structure of dual openings；
Fig. 5 e show the schematic diagram of complementary bending cable architecture；
Fig. 6 a are complementary opening resonance loop structure its geometry derivative schematic diagram shown in Fig. 5 a；
Fig. 6 b are the derivative schematic diagram of its extension of complementary opening resonance loop structure shown in Fig. 5 a；
Fig. 7 a be the complementary opening resonance loop structure shown in three Fig. 5 a it is compound after structure diagram；
Fig. 7 b are that the complementary opening resonance loop structure shown in two Fig. 5 a show complementary helix structure with Fig. 5 b
Compound schematic diagram；
Fig. 8 is the structure diagram after the complementary opening resonance loop structure group battle array shown in four Fig. 5 a.
Embodiment
The present invention relates to a kind of wireless Internet card, as shown in Figure 1, including base band, being arranged in base band and being used for modulatedemodulate
The wireless networking control unit of tune, connect wireless networking control unit and for carrying out the radio frequency nest plate of frequency band conversion, connecting and penetrate
Frequency nest plate is simultaneously used to launching and receiving the antenna of wireless signal, and for connecting the USB interface of computer, may also include and base
The Power Management Unit of band connection and the power supply that electric power is provided for base band.
When in use, wireless Internet card is connected on computer by USB interface, is connect in computer from the networks such as 3G
Receive data.Wireless Internet card receives the wireless signal in the network such as 3G by antenna, via radio frequency nest plate by the wireless communication of receiving
Number there is band signal be transformed to baseband signal, then receipt is carried out by base band, computer is demodulated from received signal to be known
Other data, and the data that receipt is gone out are transferred to computer by USB interface.Equally, if computer needs to pass through on wireless
Network interface card sends data to networks such as 3G, then computer by the data sending that USB interface will be sent to wireless Internet card, wirelessly
After the data for needing to send are carried out that modulation by the base band surfed the Internet in opening, there is radio frequency nest plate by modulates baseband signals to be sent
Band signal is sent onto corresponding frequency band, then by antenna.Therefore, antenna is used as transfer component, its performance in signal transmission
It is extremely important.
As shown in Fig. 2, the dual polarized antenna of the present invention includes medium substrate 1, is attached to medium substrate 1 with respect to two tables
First sheet metal 4 and the second sheet metal 7 in face, the first feeder line 2, the second feeder line 3 are provided with around the first sheet metal 4, around
Two sheet metals 7 are provided with the 3rd feeder line 8, the 4th feeder line 9, and 2 and second feeder line 3 of the first feeder line passes through coupled modes feed-in
First sheet metal 4, the 3rd feeder line 8 and the 4th feeder line 9 pass through the second sheet metal 7 described in coupled modes feed-in.
Equal hollow out has micro groove structure on first, second sheet metal.Preferably, on the first sheet metal 4 hollow out micro groove structure
Including asymmetrical first micro groove structure, 41 and second micro groove structure 42, to form the first metal routing on the first sheet metal
43, the micro groove structure of hollow out includes asymmetrical 3rd micro groove structure 71 and the 4th micro groove structure 72 on the second sheet metal 7, with
The second metal routing 73 is formed on second sheet metal, first feeder line 2 is electrically connected with the 3rd feeder line 8, second feeder line 3 with
4th feeder line 9 is electrically connected, and the antenna 100 is preset with the space 6 of electronic component insertion.On the two sides of same medium substrate all
Sheet metal is set, is equivalent to and adds antenna physical length (physical length size does not increase), thus can be in minimum sky
It is interior to design the radio-frequency antenna being operated under very low operation frequency.Solve traditional antenna antenna controlled space in low frequency operation
The physical constraints of area.
As shown in Fig. 2, 2 and the 3rd feeder line 8 of the first feeder line is electric by the plated-through hole 10 opened on medium substrate 1
Connection, second feeder line 3 are electrically connected with the 4th feeder line 9 by the plated-through hole 20 opened on medium substrate 1.
For Fig. 2 into Fig. 4, the part of the first sheet metal cross-hatching is the first metal routing, the blank on the first sheet metal
Partly (part of hollow out) represents the first micro groove structure and the second micro groove structure.In addition, the first feeder line and the second feeder line are also with cuing open
Upper thread represents.Likewise, the part of the second sheet metal cross-hatching is the second metal routing, the blank parts on the second sheet metal
(part of hollow out) represents the 3rd micro groove structure and the 4th micro groove structure.In addition, the 3rd feeder line and the 4th feeder line also use hatching
Represent.
Fig. 2 show the stereogram of the dual polarized antenna of the present invention.Comprehensive two figures are as can be seen that a tables of medium substrate
The structure adhered on face and b surfaces is identical.That is the first feeder line, the second feeder line, the first sheet metal b surfaces projection respectively with
Three feeder lines, the 4th feeder line, the second sheet metal overlap.Certainly, this is a preferable scheme, the structure root on a surfaces and b surfaces
Can not also be same according to needs.
First feeder line 2 is set to realize that signal couples with the second feeder line 3 around the first sheet metal 4.Other first metal
Piece 4 can be contacted with the first feeder line 2 with the second feeder line 3, can not also be contacted.When the first sheet metal 4 is contacted with the first feeder line 2
When, it is inductive coupled between the first feeder line 2 and the first sheet metal 4；When the first sheet metal 4 is not contacted with the first feeder line 2, the first feedback
Capacitive coupling between line 2 and sheet metal 4.Equally, when the first sheet metal 4 is contacted with the second feeder line 3, the second feeder line 3 and first
It is inductive coupled between sheet metal 4；When the first sheet metal 4 is not contacted with the second feeder line 3, the second feeder line 3 and the first sheet metal 4 it
Between capacitive coupling.
3rd feeder line 8 is set to realize that signal couples with the 4th feeder line 9 around the second sheet metal 7.Other second metal
Piece 7 can be contacted with the 3rd feeder line 8, the 4th feeder line 9, can not also be contacted.When the second sheet metal 7 is contacted with the 3rd feeder line 8,
It is inductive coupled between 3rd feeder line 8 and the second sheet metal 7；When the second sheet metal 7 is not contacted with the 3rd feeder line 8, the 3rd feeder line 8
The capacitive coupling between sheet metal 7.Equally, when the second sheet metal 7 is contacted with the 4th feeder line 9, the 3rd feeder line 8 and two sheet metals
It is inductive coupled between 7；When two sheet metals 7 are not contacted with the 4th feeder line 9, capacitive coupling between the 4th feeder line 9 and the second sheet metal 7
Close.
In the present invention, the first sheet metal of two apparent surface of medium substrate can be connected with the second sheet metal, also may be used
To be not connected to.In the case of the first sheet metal and the second sheet metal are unconnected, first sheet metal and the second sheet metal it
Between fed by capacitively coupled mode；In such cases, the first sheet metal can be realized by varying the thickness of medium substrate
With the resonance of the second sheet metal.In the case where the first sheet metal is electrically connected with the second sheet metal (such as by conducting wire or metal
Change the form connection of through hole), fed between first sheet metal and the second sheet metal by inductive coupled mode.
First micro groove structure 41, the second micro groove structure 42, the 3rd micro groove structure 71, the 4th microflute knot in the present invention
Structure 72 can be the complementary opening resonance loop structure shown in Fig. 5 a, the complementary helix structure shown in Fig. 5 b, Fig. 5 c institutes
The spiral ring structure of dual openings shown in the spiral ring structure of opening that shows, Fig. 5 d, in the complementary bending cable architecture shown in Fig. 5 e
It is a kind of or by the way that above several structures are derivative, the compound or obtained micro groove structure of group battle array.Derivative is divided into two kinds, and one kind is several
What shape derives, and another kind is that extension derives, and geometry herein, which derives, refers to that function is similar, variform structure is spread out
It is raw, such as by square frame class formation derivative to curve class formation, triangle class formation and other different polygon class formations；Herein
Extension derivative new groove is opened up on the basis of Fig. 5 a to Fig. 5 e to form new micro groove structure；With the complementation shown in Fig. 5 a
Exemplified by formula opening resonance loop structure, Fig. 6 a derive schematic diagram for its geometry, and Fig. 6 b derive schematic diagram for its geometry.This
The compound of place refers to that the multiple superpositions of micro groove structure of Fig. 5 a to Fig. 5 e form a new micro groove structure, are three as shown in Figure 7a
Structure diagram after complementary opening resonance loop structure shown in a Fig. 5 a is compound；As shown in Figure 7b, for shown in two Fig. 5 a
Complementary opening resonance loop structure and Fig. 5 b show complementary helix structure it is common it is compound after structure diagram.Herein
Group battle array refer to the microflute for forming an entirety in same metal on-chip array as the micro groove structure shown in multiple Fig. 5 a to Fig. 5 e
Structure, as shown in figure 8, being the structure diagram after multiple complementary opening resonance loop structure group battle arrays as shown in Figure 5 a.Below
The present invention is illustrated by taking the spiral ring structure of the opening shown in Fig. 5 c as an example.
It is known that the antenna of different polarization modes can be obtained by varying the feed placement of feeder line, and therefore, the present invention
In, the difference by varying the first feeder line and the 3rd feeder line, the second feeder line and the 4th feeder line feed placement can obtain dual polarization
Antenna.Preferably, the feeding classification of the first feeder line and the 3rd feeder line is the feed side of horizontal polarization, the second feeder line and the 4th feeder line
Formula is vertical polarization, and every kind of polarization mode can be implemented function such as according to different needs, for example, there is following several situations：
(1) horizontal polarization is served only for receiving electromagnetic wave, another polarization mode with a kind of polarization mode in vertical polarization
For launching electromagnetic wave.
(2) horizontal polarization is served only for receiving electromagnetic wave, another polarization mode with a kind of polarization mode in vertical polarization
For launching and receiving electromagnetic wave.
(3) horizontal polarization is used to launch and receive electromagnetic wave with two kinds of polarization modes in vertical polarization.
In the present invention, the space 6 be arranged on the first feeder line 2, the second feeder line 3, the first feeder line 2 and the first sheet metal 4 it
Between, between the second feeder line 3 and the first sheet metal 4 and this five positions of the first sheet metal 4 it is at least one on.The space 6 is also
Be arranged between the 3rd feeder line 8, the 4th feeder line 9, the 3rd feeder line 8 and the second sheet metal 7, the 4th feeder line 9 and the second sheet metal 7 it
Between and this five positions of the second sheet metal 7 it is at least one on.It is preferred that setting of multiple spaces 6 on antenna as shown in Fig. 2,
That is, on a faces of medium substrate, between the first feeder line 2, the second feeder line 3, the first feeder line 2 and the first sheet metal 4, the second feedback
The space 6 for all setting electronic component to be embedded between 3 and first sheet metal 4 of line and on this five positions of the first sheet metal 4.Its
In, the space on the first sheet metal 4 includes the space being arranged on the first metal routing 43, and is arranged on the first micro groove structure
41 and the second space 6 on micro groove structure 42, and the space 6 being arranged on the first micro groove structure 41 and the second micro groove structure 42
43 edge of the first metal routing of both sides is connected respectively.Equally, on the b faces of medium substrate, in the 3rd feeder line 8, the 4th feeder line
9th, between the 3rd feeder line 8 and the 4th sheet metal 4, between the 4th feeder line 9 and the second sheet metal 7 and this five positions of the second sheet metal 7
Put the space for all setting electronic component to be embedded in.Wherein, the space on the second sheet metal 7 includes being arranged on the second metal routing
Space on 73, and the space being arranged on the 3rd micro groove structure 71 and the 4th micro groove structure 72, and it is micro- to be arranged on the 3rd
Space 6 on 71 and the 4th micro groove structure 72 of slot structure connects 73 edge of the second metal routing of both sides respectively.
The reserved location in space is not limited to above-mentioned several forms on the dual polarized antenna 100 of the present invention, as long as space is set
Put on dual polarized antenna.For example, space can also be arranged on medium substrate.
The electronic component of the present invention is perceptual electronic component, capacitive electrical element or resistance.In the reserved of antenna
After such electronic component is added in space, the various performances of antenna can be improved.And by the electronics member for adding different parameters
Part, it is possible to achieve antenna performance parameters it is adjustable.Electronic component is added in space can following several situations, due to medium base
The b faces of plate and a faces are identical, therefore following is explained with a faces：
(1) the first feeder line, the second feeder line space in add perceptual electronic component, formula： The size of inductance value and square being inversely proportional for working frequency are understood, so when the working frequency needed is relatively low work
During working frequency, it can be realized by being appropriately embed inductance or perceptual electronic component.The inductance value of the perceptual electronic component of addition
Scope preferably between 0-5uH because, if the too big alternating signal of inductance value will be consumed so as to influencing by perceptual electronic component
The radiation efficiency of antenna.Certainly resistance may also be added in the space on the first feeder line, the second feeder line to improve the spoke of antenna
Radio hinders.Certainly, multiple spaces, which part spatial embedding resistance, part can also be set on the first feeder line and the second feeder line
Spatial embedding perception electronic component, had not only realized the adjusting of working frequency, but also can improve the radiation resistance of antenna.Certainly according to it
It is needed, and electronic component, other spaces conducting wire short circuit only can also be added in segment space.
(2) it is embedding in the space between the first feeder line 2 and the first sheet metal 4, between the second feeder line 3 and the first sheet metal 4
Enter capacitive electrical element.Here by embedded capacitive electrical element regulation the first feeder line 2, the second feeder line 3 and the first sheet metal 4 it
Between signal coupling, formula：Understand the size of capacitance and square being inversely proportional for working frequency,
So when the working frequency of needs is relatively low working frequency, can be realized by being appropriately embed capacitive electrical element.Add
Capacitive electrical element capacitance value range usually between 0-2pF, but with the embedded electricity of the change of operating frequency of antenna
Capacitance may also exceed the scope of 0-2pF.It is it is of course also possible to pre- between the first feeder line 2, the second feeder line 3 and the first sheet metal 4
If multiple spaces, in being not connected with having the space of electronic component, using conducting wire short circuit.
(3) there are embedded perceptual electronic component and/or electricity in the space 6 on the first metal routing 43 of the first sheet metal
Resistance.The purpose of embedded perceptual electronic component is to increase the inductance value of the first sheet metal internal resonant structure herein, so as to antenna
Resonant frequency and bandwidth of operation play the role of adjusting；The purpose for being embedded in resistance herein is to improve the radiation resistance of antenna.Extremely
Then embedded perceptual electronic component or resistance, then as needed depending on.In addition in the space of electronic component is not embedded into, use
Conducting wire short circuit.
(4) embedded capacitive electrical element in the space 6 reserved on the first micro groove structure 41 and the second micro groove structure 42.It is embedding
The resonance performance of the first sheet metal can be changed by entering capacitive electrical element, the final Q values and resonant operational point for improving antenna.As
Common knowledge, it is known that passband BW and the relation of resonant frequency w0 and quality factor q are：BW=wo/Q, this formula show, Q
More big then passband is narrower, and the smaller then passbands of Q are wider.Separately have：Q=wL/R=1/wRC, wherein, Q is quality factor；W is electricity
The supply frequency during resonance of road；L is inductance；R is the resistance of string；C is capacitance, from Q=wL/R=1/wRC formula, Q and C
In inverse ratio, therefore, Q values can be reduced by adding capacitive electrical element, passband is broadened.
The dual polarized antenna of the present invention can be the same structure before any element is added without, simply by difference
Position adds different electronic components, and the difference of the parameter (inductance value, resistance value, capacitance) of electronic component, to realize
The performance parameter of different antennae, that is, realize versatility, therefore production cost can be greatly reduced.
The space of the present invention can be pad or a vacancy.The structure of pad may refer to common
Pad on circuit board.Certainly, the design of its size will be different according to different needs.
In addition, in the present invention, medium substrate can be by ceramic material, high molecular material, ferroelectric material, ferrite material or ferromagnetic
Material is made.Preferably, it is made of high molecular material, can is specifically the high molecular materials such as FR-4, F4B.
In the present invention, the first sheet metal and the second sheet metal are copper sheet or silver strip.Preferably copper sheet, it is cheap, it is conductive
Performance is good.
In the present invention, the first feeder line, the second feeder line, the 3rd feeder line and the 4th feeder line are selected and the first sheet metal and the second gold medal
Belong to the same material of piece to be made.Preferably copper.
It is described in the present invention that " asymmetrical first micro groove structure 41 refers to the second micro groove structure 42 ", the first microflute knot
Both 41 and second micro groove structures 42 of structure do not form axially symmetric structure.In other words, i.e., it can not find a symmetry axis on a surfaces,
So that the first micro groove structure 41 is symmetrical arranged with 42 opposite symmetry axis of the second micro groove structure.
Similarly, described in the present invention " asymmetrical 3rd micro groove structure 41 refers to the 4th micro groove structure 42 ", the 3rd
Both 71 and the 4th micro groove structures 72 of micro groove structure do not form axially symmetric structure.In other words, i.e., can not find on b surfaces one it is right
Claim axis so that the 3rd micro groove structure 71 is symmetrical arranged with 72 opposite symmetry axis of the 4th micro groove structure.
In the present invention, the first micro groove structure 41 and 42 structure of the second micro groove structure are asymmetric, the 3rd micro groove structure 71 and
Four micro groove structures, 72 structure is asymmetric, therefore the capacitance on two positions will be different with inductance, so as to produce at least two
Different resonance points, and resonance point is not easy to offset, and is advantageously implemented more modellings that antenna enriches.
The first micro groove structure 41 of the present invention and the structure type of the second micro groove structure 42 can be the same, can also differ
Sample.And the degree of asymmetry of the first micro groove structure 41 and the second micro groove structure 42 can be adjusted as needed.Similarly, it is of the invention
The 3rd micro groove structure 71 and the structure type of the 4th micro groove structure 72 can be the same, can not also be the same.And the 3rd microflute
Structure 71 and the degree of asymmetry of the 4th micro groove structure 72 can be adjusted as needed.So as to fulfill abundant adjustable multimode
Resonance.
And it is of the invention as needed, more micro groove structures can also be set on a piece of sheet metal, so that institute
The antenna stated has the different resonant frequencies of more than three.
Specifically, the asymmetric situation in the present invention can have following embodiment.
Fig. 2 show the structure diagram of first embodiment of the invention.Fig. 2 is its another visual angle figure.In the present embodiment,
As shown in Fig. 2, the first micro groove structure 41 and the second micro groove structure 42 in medium substrate a surfaces its be opening helical ring knot
Structure, the first micro groove structure 41 and the second micro groove structure 42 are not communicated with, but the difference of its size causes the asymmetric of the two structure；
Equally, as shown in Fig. 2, the 3rd micro groove structure 71 and the 4th micro groove structure 72 in medium substrate b surfaces its be opening spiral shell
Ring structure is revolved, but the difference of its size causes the asymmetric of the two structure；So that antenna has at least two resonance
Frequency.In addition, in the present embodiment, the first sheet metal 4, the first feeder line 2, the second feeder line 3, first on medium substrate a surfaces are micro-
41 and second micro groove structure 42 of slot structure b surfaces projection respectively with the second sheet metal 7, the 3rd feeder line 8, the 4th feeder line 9,
Three micro groove structures 71 and the 4th micro groove structure 72 overlap, the advantage of doing so is that simplifying technique.
Fig. 3 show the structure diagram of second embodiment of the invention.Structure and a surfaces due to medium substrate b surfaces
Structure it is identical, so figure merely illustrates the structure in a faces.In the present embodiment, the first micro groove structure in medium substrate a surfaces
41 and second micro groove structure 42 its be the spiral ring structure of opening, and be of the same size, the first micro groove structure 41 and second
Micro groove structure 42 is not communicated with, but since the setting on both the first micro groove structure 41 and the second micro groove structure 42 position causes two
Person's structure it is asymmetric.
Fig. 4 show the structure diagram of third embodiment of the invention.Structure and a surfaces due to medium substrate b surfaces
Structure it is identical, so figure merely illustrates the structure in a faces.In the present embodiment, the first micro groove structure in medium substrate a surfaces
41 be complementary helix structure, and the second micro groove structure 42 is the spiral ring structure of opening, the first micro groove structure 41 and the second microflute
Structure 42 is not communicated with, it is evident that the first micro groove structure 41 and the second micro groove structure 42 are asymmetric.
In addition, in above three embodiment, the first micro groove structure and the second micro groove structure can also be by the first gold medals
Belong to one new groove of on piece hollow out to realize the connection of the first micro groove structure and the second micro groove structure, same 3rd micro groove structure and
4th micro groove structure can also by the second sheet metal one article of new groove of hollow out realize the 3rd micro groove structure and the 4th micro-
The connection of slot structure.The first micro groove structure and the second micro groove structure remain as unsymmetric structure after connection, the 3rd micro groove structure with
4th micro groove structure is also unsymmetric structure, therefore, does not have too much influence to the effect of the present invention, can equally cause day
Line has at least two resonant frequency.
In the present invention, on the processing and manufacturing of antenna, as long as meeting the design principle of the present invention, various manufactures can be used
Mode.Most common method is the manufacture method using all kinds of printed circuit board (PCB)s (PCB), and certainly, the through hole of metallization is two-sided to cover
The PCB manufactures of copper can also meet the processing request of the present invention.Except this processing method, can also introduce according to the actual needs other
Manufacturing process, such as RFID (RFID is the abbreviation of Radio Frequency Identification, i.e. Radio Frequency Identification Technology,
Be commonly called as electronic tag) used in conductive silver paste ink processing method, it is all kinds of can deformable element flexible PCB processing, iron plate
The processing method that the processing method and iron plate of antenna are combined with PCB.Wherein, iron plate refers to utilize with PCB Combined machining modes
The accurate of PCB is processed to complete the processing of antenna micro groove structure, and other slave parts are completed with iron plate.It is furthermore it is also possible to logical
Overetch, plating, carve, photoetching, the method that electronics is carved or ion is carved are processed.
The embodiment of the present invention is described above in conjunction with attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, those of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make very much
Form, these are belonged within the protection of the present invention.
Claims (3)
1. a kind of wireless Internet card, including base band, it is arranged in the base band and single for the wireless networking control of modulation /demodulation
Member, the connection wireless networking control unit are simultaneously used for the radio frequency nest plate of frequency band conversion, the connection radio frequency nest plate and are used to send out
The antenna of wireless signal is penetrated and receives, and for connecting the USB interface of computer, it is characterised in that
The antenna includes medium substrate, is attached to first sheet metal and second sheet metal of the medium substrate with respect to two surfaces, encloses
First sheet metal is provided with the first feeder line, the second feeder line, the second sheet metal is provided with the 3rd feeder line, the 4th feeder line, institute
It is equal by the first sheet metal described in coupled modes feed-in, the 3rd feeder line and the 4th feeder line to state the first feeder line and the second feeder line
By the second sheet metal described in coupled modes feed-in, equal hollow out has micro groove structure on first sheet metal and the second sheet metal,
First feeder line is electrically connected with the 3rd feeder line, and the feeding classification of the first feeder line and the 3rd feeder line is horizontal polarization, and described
Two feeder lines are electrically connected with the 4th feeder line, and the feeding classification of the second feeder line and the 4th feeder line is vertical polarization, first metal
On piece hollow out has asymmetrical first micro groove structure and the second micro groove structure to form the first metal routing on the first sheet metal,
Hollow out has asymmetrical 3rd micro groove structure and the 4th micro groove structure to be formed on the second sheet metal on second sheet metal
Second metal routing, the antenna are preset with the space of electronic component insertion, and the electronic component of the insertion is perceptual electronics
Element, capacitive electrical element or resistance, the scope of the perception electronic component inductance value is between 0-5uH, the capacitive electricity
The scope of subcomponent capacitance between 0-2pF, first sheet metal, first feeder line on one surface of medium substrate,
Second feeder line, first micro groove structure and second micro groove structure apparent surface projection respectively with described second
Sheet metal, the 3rd feeder line, the 4th feeder line, the 3rd micro groove structure and the 4th micro groove structure overlap, described
Space is the pad being formed on the antenna；
Wherein, the space be arranged between the first feeder line, the second feeder line, the first feeder line and the first sheet metal, the second feeder line with
Between first sheet metal and this five positions of the first sheet metal it is at least one on；
Alternatively, the space is arranged between the 3rd feeder line, the 4th feeder line, the 3rd feeder line and the second sheet metal, the 4th feeder line with
Between second sheet metal and this five positions of the second sheet metal it is at least one on.
2. wireless Internet card according to claim 1, it is characterised in that the space is arranged on the first sheet metal
On one metal routing, or the space is arranged on the first micro groove structure and/or the second micro groove structure.
3. wireless Internet card according to claim 1, it is characterised in that the space is arranged on the second sheet metal
On two metal routings, or the space is arranged on the 3rd micro groove structure and/or the 4th micro groove structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110145127.9A CN102802281B (en) | 2011-05-31 | 2011-05-31 | Wireless Internet card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110145127.9A CN102802281B (en) | 2011-05-31 | 2011-05-31 | Wireless Internet card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102802281A CN102802281A (en) | 2012-11-28 |
| CN102802281B true CN102802281B (en) | 2018-04-17 |
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ID=47201216
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110145127.9A Expired - Fee Related CN102802281B (en) | 2011-05-31 | 2011-05-31 | Wireless Internet card |
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| Country | Link |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104412449B (en) * | 2014-03-03 | 2016-10-12 | 华为终端有限公司 | A kind of antenna and wireless terminal |
| TWI617091B (en) * | 2016-06-14 | 2018-03-01 | 國立中山大學 | Communication device and antenna element therein |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594162A (en) * | 2009-07-06 | 2009-12-02 | 青岛海信移动通信技术股份有限公司 | A kind of wireless Internet card |
| CN101740862A (en) * | 2008-11-20 | 2010-06-16 | 东莞市启汉电子科技有限公司 | Dipole antenna of RF chip |
| CN201773945U (en) * | 2010-07-05 | 2011-03-23 | 萨基姆移动电话研发（宁波）有限公司 | Mobile terminal antenna |
| CN202127514U (en) * | 2011-05-31 | 2012-01-25 | 深圳光启高等理工研究院 | Wireless network card |
-
2011
- 2011-05-31 CN CN201110145127.9A patent/CN102802281B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101740862A (en) * | 2008-11-20 | 2010-06-16 | 东莞市启汉电子科技有限公司 | Dipole antenna of RF chip |
| CN101594162A (en) * | 2009-07-06 | 2009-12-02 | 青岛海信移动通信技术股份有限公司 | A kind of wireless Internet card |
| CN201773945U (en) * | 2010-07-05 | 2011-03-23 | 萨基姆移动电话研发（宁波）有限公司 | Mobile terminal antenna |
| CN202127514U (en) * | 2011-05-31 | 2012-01-25 | 深圳光启高等理工研究院 | Wireless network card |
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|---|---|
| CN102802281A (en) | 2012-11-28 |
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