CN109560376A - Apply the glass reinforced plastic omnidirectional antenna in WLAN - Google Patents
Apply the glass reinforced plastic omnidirectional antenna in WLAN Download PDFInfo
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- CN109560376A CN109560376A CN201811421854.1A CN201811421854A CN109560376A CN 109560376 A CN109560376 A CN 109560376A CN 201811421854 A CN201811421854 A CN 201811421854A CN 109560376 A CN109560376 A CN 109560376A
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- band radiation
- radiation oscillator
- balanced
- reinforced plastic
- glass reinforced
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
Abstract
The invention discloses a kind of glass reinforced plastic omnidirectional antennas applied in WLAN, including radio frequency connector, aluminum pipe, glass reinforced plastic outer cover and glass reinforced plastic cap, high frequency double-sided copper-clad pcb board is equipped in glass reinforced plastic outer cover, the front of high frequency double-sided copper-clad pcb board is equipped with the first 5G band radiation oscillator, the first 2.4G band radiation oscillator, impedance matching box, feed connection point, the first ground connection weld, heavy copper hole and S bending transmission line；It includes the first to the 6th balanced-to-unblanced transformer that the back side of high frequency double-sided copper-clad pcb board, which is equipped with the 2nd 5G band radiation oscillator, the 2nd 2.4G band radiation oscillator, balanced-to-unblanced transformer unit and the second ground connection weld, balanced-to-unblanced transformer unit,.Small volume of the present invention, cost is relatively low, structure and installation are relatively simple, performance indicator preferably, the radiation efficiency of antenna can be improved.
Description
Technical field
The present invention relates to field of antenna, in particular to a kind of glass reinforced plastic omnidirectional antenna applied in WLAN.
Background technique
It is covered in the network of WLAN (the entitled Wireless Local Area Networks of English, be abbreviated as WLAN)
Gai Zhong in order to meet lesser antenna size and prevent the interference of other electromagnetic waves, while covering the requirement of multiple communications bands,
Double frequency and multifrequency antenna come into being.The two-band glass reinforced plastic omnidirectional antenna of existing WLAN largely uses two width not
For the antenna of same frequency in antenna shell, it is big that such structure is bound to cause antenna volume, at high cost, is not suitable for batch
Production, and interference is also easy to produce between two width antennas, debugging is difficult, and the effect that product uses is poor.Small part two-band glass reinforced plastic omnidirectional
Antenna is due to the problem of not can solve low standing wave, high-gain and good directionality, and it is inadequate that there is bandwidth, radiativity
The problems such as energy index error, it is difficult to meet application of the WLAN terminal device in wireless network covering.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, provide a kind of small volume, at
This lower, structure and installation is relatively simple, performance indicator preferably, the radiation efficiency that can improve antenna applies in WLAN
Glass reinforced plastic omnidirectional antenna.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of glass applied in WLAN
Steel omnidirectional antenna, including radio frequency connector, aluminum pipe, glass reinforced plastic outer cover and glass reinforced plastic cap, one end of the radio frequency connector are arranged
In one end of the aluminum pipe, one end of the glass reinforced plastic outer cover is sheathed on the other end of the aluminum pipe, the glass reinforced plastic outer cover
The other end is connect with the glass reinforced plastic cap, high frequency double-sided copper-clad pcb board is equipped in the glass reinforced plastic outer cover, the high frequency is two-sided to be covered
The front of copper pcb board is equipped with the first 5G band radiation oscillator, the first 2.4G band radiation oscillator, impedance matching box, feed connection
Point, the first ground connection weld, heavy copper hole and S bending transmission line, one end of the impedance matching box and the feed connection point
Connection conducting, the other end of the impedance matching box with respectively with the S bending transmission line, the first 5G band radiation oscillator and
The connection conducting of first 2.4G band radiation oscillator, the position of the first ground connection weld is arranged in the heavy copper hole, described to penetrate
It the outer conductor of frequency connector and is connected with the first ground connection weld welding, inner conductor and the feed connection point are welded and be connected to
The first 5G band radiation oscillator and the first 2.4G frequency range spoke are connected to S bending transmission line by the impedance matching box afterwards
Penetrate oscillator；
The back side of the high frequency double-sided copper-clad pcb board is equipped with the 2nd 5G band radiation oscillator, the 2nd 2.4G band radiation shakes
Son, balanced-to-unblanced transformer unit, the second ground connection weld and back side transmission line, the balanced-to-unblanced transformer list
Member includes the first balanced-to-unblanced transformer, the second balanced-to-unblanced transformer, third balanced-to-unblanced transformer, the 4th
Balanced-to-unblanced transformer, the 5th balanced-to-unblanced transformer and the 6th balanced-to-unblanced transformer, first balance-
One end of imbalance converter connect with one end of the 2nd 2.4G band radiation oscillator and the 2nd 5G band radiation oscillator and leads
Logical, the other end of first balanced-to-unblanced transformer connect conducting with the second ground connection weld, and described second is flat
Weighing apparatus-imbalance converter one end one end with the 2nd 2.4G band radiation oscillator and the 2nd 5G band radiation oscillator respectively
One end of connection conducting, the other end of second balanced-to-unblanced transformer and the third balanced-to-unblanced transformer connects
It connects, the other end of the third balanced-to-unblanced transformer is connect with one end of the 4th balanced-to-unblanced transformer, institute
State the other end of the 4th balanced-to-unblanced transformer respectively with the 2nd 2.4G band radiation oscillator, the 2nd 5G band radiation
One end of oscillator connects conducting with one end of the 5th balanced-to-unblanced transformer, the 5th balanced-to-unblanced transformer it is another
One end connect conducting with one end of the 6th balanced-to-unblanced transformer, the 6th balanced-to-unblanced transformer it is another
End connect conducting with one end of the 2nd 2.4G band radiation oscillator and the 2nd 5G band radiation oscillator respectively.
It is applied in the glass reinforced plastic omnidirectional antenna of WLAN of the present invention, the first 5G band radiation vibration
The height of son, the first 2.4G band radiation oscillator, the 2nd 5G band radiation oscillator and the 2nd 2.4G band radiation oscillator is 1/4
λ0, wherein λ0For the free wavelength in space of center frequency point, the first 5G band radiation oscillator, the vibration of the first 2.4G band radiation
It is the glass applied in WLAN after son, the 2nd 5G band radiation oscillator and the 2nd 2.4G band radiation oscillator feed
The half-wave radiation oscillator of steel omnidirectional antenna.
It is applied in the glass reinforced plastic omnidirectional antenna of WLAN of the present invention, the first 5G band radiation vibration
The shape of son, the first 2.4G band radiation oscillator, the 2nd 5G band radiation oscillator and the 2nd 2.4G band radiation oscillator is U-shaped
The top design of shape, the first 2.4G band radiation oscillator and the 2nd 2.4G band radiation oscillator is n word shape；Described
One 5G band radiation oscillator, the first 2.4G band radiation oscillator, the 2nd 5G band radiation oscillator and the vibration of the 2nd 2.4G band radiation
The number of son is three groups, the list of the first 2.4G band radiation oscillator described in the first 5G band radiation oscillator described in three groups and three groups
Tuple battle array is series feed structure, the list of the 2nd 2.4G band radiation oscillator described in the 2nd 5G band radiation oscillator described in three groups and three groups
Tuple battle array is series feed structure.
It is applied in the glass reinforced plastic omnidirectional antenna of WLAN of the present invention, the first 5G band radiation vibration
Son and the first 2.4G band radiation oscillator are printed on the front of the high frequency double-sided copper-clad pcb board, the 2nd 5G with microstrip line
Band radiation oscillator and the 2nd 2.4G band radiation oscillator are printed on the back side of the high frequency double-sided copper-clad pcb board with microstrip line,
The feed connection of first 2.4G band radiation oscillator described in first 5G band radiation oscillator described in three groups and three groups is all curved by the S
The connection conducting of shape transmission line.
It is applied in the glass reinforced plastic omnidirectional antenna of WLAN of the present invention, the high frequency double-sided copper-clad PCB
Plate with a thickness of 1.10mm~1.30mm, length is 146.54mm~148.89mm, and width is 12.60mm~14.90mm.
It is applied in the glass reinforced plastic omnidirectional antenna of WLAN of the present invention, the high frequency double-sided copper-clad PCB
The material of plate is F4BM-2 double face copper, dielectric constant 2.65.
It is applied in the glass reinforced plastic omnidirectional antenna of WLAN of the present invention, the outer diameter of the aluminum pipe is
21.2mm~23.4mm, length are 64.4mm~66.8mm, and the material of the aluminum pipe is aluminium alloy.
Implement the glass reinforced plastic omnidirectional antenna applied in WLAN of the invention, has the advantages that due to glass
High frequency double-sided copper-clad pcb board is equipped in glass steel outer cover, the front of high frequency double-sided copper-clad pcb board shakes equipped with the first 5G band radiation
Son, the first 2.4G band radiation oscillator, impedance matching box, feed connection point, the first ground connection weld, heavy copper hole and S bending pass
Defeated route, the back side of high frequency double-sided copper-clad pcb board are equipped with the 2nd 5G band radiation oscillator, the 2nd 2.4G band radiation oscillator, put down
Weighing apparatus-imbalance converter unit, the second ground connection weld and back side transmission line, the effect in heavy copper hole are to weld the first ground connection
Place and the second ground connection weld effectively connect conducting, and 2.4G band radiation oscillator and 5G band radiation oscillator are connected simultaneously
Design together, it can be achieved that antenna double frequency resonance；In transmission line impedance matching, high frequency double-sided copper-clad pcb board is just
Face and the back side have been designed to impedance matching box and S bending transmission line, and devise multiple balanced-to-unblanced transformers, thus
Impedance and bandwidth have effectively been broadened, has realized the double frequency of antenna and the broadband properties of high band, this design can both increase bandwidth,
The effect for also playing coupled resonance in terms of the matching of impedance simultaneously, can reach perfect electricity in the confined space and volume
Performance indicator, to reach the perfect matching of antenna impedance；Therefore small volume of the present invention, cost is relatively low, structure and installation compared with
For simple, performance indicator is preferable, can improve the radiation efficiency of antenna.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is that the present invention applies the structural schematic diagram in glass reinforced plastic omnidirectional antenna one embodiment of WLAN；
Fig. 2 is the schematic perspective view of aluminum pipe in the embodiment；
Fig. 3 is the schematic cross-sectional view of aluminum pipe in the embodiment；
Fig. 4 is the structural schematic diagram of glass reinforced plastic outer cover in the embodiment；
Fig. 5 is the structural schematic diagram of glass reinforced plastic cap in the embodiment；
Fig. 6 is the positive structure schematic of the embodiment medium-high frequency double-sided copper-clad pcb board；
Fig. 7 is the structure schematic diagram of the embodiment medium-high frequency double-sided copper-clad pcb board；
Fig. 8 is the standing wave pattern applied in the embodiment in the glass reinforced plastic omnidirectional antenna of WLAN；
Fig. 9 is to apply to test in the glass reinforced plastic omnidirectional antenna of WLAN in 2450MHz frequency range in the embodiment
Directional diagram；
Figure 10 is to apply to test in the glass reinforced plastic omnidirectional antenna of WLAN in 5500MHz frequency range in the embodiment
Directional diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is applied in the glass reinforced plastic omnidirectional antenna embodiment of WLAN in the present invention, this is applied in WLAN
The structural schematic diagram of glass reinforced plastic omnidirectional antenna is as shown in Figure 1.In Fig. 1, this applies the glass reinforced plastic omnidirectional antenna in WLAN
Including radio frequency connector 1, aluminum pipe 2, glass reinforced plastic outer cover 3 and glass reinforced plastic cap 4, one end of radio frequency connector 1 is sheathed on the one of aluminum pipe 2
End, one end of glass reinforced plastic outer cover 3 are sheathed on the other end of aluminum pipe 2, and the other end of glass reinforced plastic outer cover 3 is connect with glass reinforced plastic cap 4.
Fig. 2 is the schematic perspective view of aluminum pipe in the present embodiment；Fig. 3 is the sectional structure signal of aluminum pipe in the present embodiment
Figure；In the present embodiment, the outer diameter of aluminum pipe 2 is 21.2mm~23.4mm, and length is 64.4mm~66.8mm, and the material of aluminum pipe 2 is
Aluminium alloy.Fig. 4 is the structural schematic diagram of glass reinforced plastic outer cover in the present embodiment；Fig. 5 is that the structure of glass reinforced plastic cap in the present embodiment is shown
It is intended to.
In the present embodiment, high frequency double-sided copper-clad pcb board A is equipped in glass reinforced plastic outer cover 3, the high frequency double-sided copper-clad pcb board
Positive structure schematic is as shown in Figure 6.In the present embodiment, high frequency double-sided copper-clad pcb board A with a thickness of 1.10mm~
1.30mm, length are 146.54mm~148.89mm, and width is 12.60mm~14.90mm.The material of high frequency double-sided copper-clad pcb board A
Material is prosperous spirit F4BM-2 double face copper, dielectric constant 2.65.
In the present embodiment, the front of high frequency double-sided copper-clad pcb board A is equipped with the first 5G band radiation oscillator 9, the first 2.4G frequency
Section radiating doublet 10, impedance matching box 8, feed connection point 7, first are grounded weld 5, heavy copper hole 6 and S bending transmission line
11, one end of impedance matching box 8 connect conducting with feed connection point 7, and impedance matching box 8 is arranged in high frequency double-sided copper-clad pcb board A
Front transmission line on, the other end of impedance matching box 8 with respectively with S bending transmission line 11, the first 5G band radiation shake
The position of the first ground connection weld 5 is arranged in son 9 and the connection conducting of the first 2.4G band radiation oscillator 10, heavy copper hole 6, and radio frequency connects
It connects the outer conductor of device 1 and is connected with the first ground connection welding of weld 5, inner conductor passes through resistance after being connected to the welding of feed connection point 7
Anti- adaptation 8 is connected to the first 5G band radiation oscillator 9 and the first 2.4G band radiation oscillator 10 with S bending transmission line 11.
Fig. 7 is the structure schematic diagram of the present embodiment medium-high frequency double-sided copper-clad pcb board, and in the present embodiment, the high frequency is double
The back side that copper pcb board A is covered in face is equipped with the 2nd 5G band radiation oscillator 19, the 2nd 2.4G band radiation oscillator 20, balanced-unbalanced
Converter unit and the second ground connection weld 18, wherein balanced-to-unblanced transformer unit turns including the first balanced-unbalanced
Parallel operation 12, the second balanced-to-unblanced transformer 13, third balanced-to-unblanced transformer 14, the 4th balanced-to-unblanced transformer
15, the 5th balanced-to-unblanced transformer 16 and the 6th balanced-to-unblanced transformer 17, wherein the conversion of the first balanced-unbalanced
One end of device 12 connect conducting, the first balance-with one end of the 2nd 2.4G band radiation oscillator and the 2nd 5G band radiation oscillator
The other end of imbalance converter 12 connect conducting, one end point of the second balanced-to-unblanced transformer with the second ground connection weld
Conducting, the second balance-injustice are not connect with one end of the 2nd 2.4G band radiation oscillator 20 and the 2nd 5G band radiation oscillator 19
The other end of weighing apparatus converter 13 is connect with one end of third balanced-to-unblanced transformer 14, third balanced-to-unblanced transformer 14
The 4th balanced-to-unblanced transformer 15 of the other end one end connection, the 4th balanced-to-unblanced transformer 15 the other end difference
With the 2nd 2.4G band radiation oscillator 20, one end of the 2nd 5G band radiation oscillator 19 and the 5th balanced-to-unblanced transformer 16
One end connect conducting, one end company of the other end of the 5th balanced-to-unblanced transformer 16 and the 6th balanced-to-unblanced transformer
Connect conducting, the other end of the 6th balanced-to-unblanced transformer 17 respectively with the 2nd 2.4G band radiation oscillator 20 and the 2nd 5G frequency
One end of section radiating doublet 19 connects conducting.
In the present embodiment, the first 5G band radiation oscillator 9, the first 2.4G band radiation oscillator 10, the 2nd 5G band radiation
The shape of oscillator 19 and the 2nd 2.4G band radiation oscillator 20 is U-shaped, the first 2.4G band radiation oscillator and second
The top design of 2.4G band radiation oscillator is n word shape；Be using transmission line bending design method, can in effective volume and
Reach preferable electrical performance indexes in space, deficiency of the transmission line because of length in a limited space can be made up, can both increase bandwidth,
It can play the role of coupled resonance in terms of impedance matching again.
First 5G band radiation oscillator 9, the first 2.4G band radiation oscillator 10, the 2nd 5G band radiation oscillator 19 and second
The number of 2.4G band radiation oscillator 20 is three groups, three group of the first 5G band radiation oscillator 9 and three group of the first 2.4G frequency range spoke
The unit group battle array for penetrating oscillator 10 is series feed structure, three group of the 2nd 5G band radiation oscillator 19 and three group of the 2nd 2.4G band radiation vibration
The unit group battle array of son 20 is series feed structure.2.4G band radiation oscillator and 5G band radiation oscillator be connected and together with
Design the resonance, it can be achieved that antenna double frequency.
First 5G band radiation oscillator 9, the first 2.4G band radiation oscillator 10, the 2nd 5G band radiation oscillator 19 and second
The height of 2.4G band radiation oscillator 20 is 1/4 λ0, wherein λ0For the free wavelength in space of center frequency point, the first 5G frequency range spoke
Penetrate oscillator 9, the first 2.4G band radiation oscillator 10, the 2nd 5G band radiation oscillator 19 and the feedback of the 2nd 2.4G band radiation oscillator 20
It is the half-wave radiation oscillator applied in the glass reinforced plastic omnidirectional antenna of WLAN after electricity.
First 5G band radiation oscillator 9 and the first 2.4G band radiation oscillator 10 are printed on high frequency double-sided copper-clad with microstrip line
The front of pcb board A, the 2nd 5G band radiation oscillator 19 and the 2nd 2.4G band radiation oscillator 20 are printed on high frequency pair with microstrip line
Cover the back side of copper pcb board A, the feed of three group of the first 5G band radiation oscillator 9 and three group of the first 2.4G band radiation oscillator 10 in face
Connection is all connected by S bending transmission line 11 and is connected.
In the present embodiment, in transmission line impedance matching, the front and back of high frequency double-sided copper-clad pcb board A is designed to
There are impedance matching box 8 and S bending transmission line, and devise multiple balanced-to-unblanced transformers, using multiple balance-injustice
The design of weighing apparatus converter, can both increase bandwidth, while the effect of coupled resonance is also played in terms of the matching of impedance, so that electric
The imbalance of stream becomes balancing, and the characteristic of broadband and low standing wave is formed, to reach the conjugate impedance match of antenna impedance, effectively
Impedance and bandwidth have been broadened, the broadband properties of antenna are realized.2.4G band radiation oscillator and 5G band radiation oscillator are linked to be
One and design together, it can be achieved that antenna double frequency resonance, to realize the dual frequency characteristics in a port, amplitude,
Completely new design concept is used in phase and impedance matching, so that glass reinforced plastic omnidirectional antenna not only realizes the resonance of double frequency, spoke
Penetrate performance indicator standing-wave ratio, directional diagram etc. is also substantially improved, and the beamwidth of antenna is extended, can be used for simultaneously 2400MHz~
2500MHz and 5150MHz~5850MHz communications band.Simultaneously because dual frequency characteristics are realized on a port, so that antenna
The volume and area of structure become smaller significantly, can reduce antenna cost so that antenna have many advantages, such as structure simply and high-performance, increasing
The market competitiveness of strong antenna, performance indicator are better than similar product.
Of the invention applying applies the base station covered in WLAN to set in the glass reinforced plastic omnidirectional antenna of WLAN
It is standby upper, using dielectric microstrip technology, multifrequency and broadband technology, coupled resonance technology and impedance match technique, make wireless local area
It is 2.4GHz (2400MHz~2500MHz) and 5.0GHz (5150MHz~5850MHz) two that the equipment of net, which works in centre frequency,
A frequency range so that equipment can emit and receive centre frequency and be the signal of two frequency ranges of 2.4GHz and 5.0GHz, and reaches one
The effect of double-frequency resonance is realized on a port, realizes the telecommunications use of two-band.The glass applied in WLAN of the invention
Glass steel omnidirectional antenna small volume, cost is relatively low, structure and installation are relatively simple, performance indicator is preferable, is easy to the scale of product
Metaplasia produces the radiation efficiency that can improve antenna simultaneously.
It is of the invention to apply in the sample of the glass reinforced plastic omnidirectional antenna of WLAN through multiple improve and perfect, most pass through afterwards
The detection of instrument is verified, and realizes the resonance of the double frequency inside a port, frequency range can be from 2400MHz~2500MHz/
5150MHz-5850MHz, standing-wave ratio is 1.7 hereinafter, low-frequency range 2400MHz~2500MHz gain reaches 5dBi, high band
5150MHz~5850MHz gain reaches 6dBi, and the out-of-roundness of horizontal radiation pattern is within ± 1dB, as shown in Fig. 8 to Figure 10,
Fig. 8 is the standing wave pattern applied in the present embodiment in the glass reinforced plastic omnidirectional antenna of WLAN；Fig. 9 is to apply in the present embodiment
The directional diagram that the glass reinforced plastic omnidirectional antenna of WLAN is tested in 2450MHz frequency range；Figure 10 is to apply in the present embodiment in nothing
The directional diagram that the glass reinforced plastic omnidirectional antenna of line local area network is tested in 5500MHz frequency range.
In short, of the invention apply in the performance indicator of the glass reinforced plastic omnidirectional antenna of WLAN far better than same type
Antenna；This applies the glass reinforced plastic omnidirectional antenna in WLAN, and not only performance indicator is excellent, and small volume, weight compared with
Gently, easy for installation, and cost is relatively low, is easy to large-scale production, is able to satisfy in two communications of wireless lan network while covering
The demand of frequency range, while being also able to satisfy equipment operator low cost and high performance requirement has structure simple and high-performance etc.
Advantage.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of glass reinforced plastic omnidirectional antenna applied in WLAN, which is characterized in that including radio frequency connector, aluminum pipe, glass
Glass steel outer cover and glass reinforced plastic cap, one end of the radio frequency connector are sheathed on one end of the aluminum pipe, the glass reinforced plastic outer cover
One end is sheathed on the other end of the aluminum pipe, and the other end of the glass reinforced plastic outer cover is connect with the glass reinforced plastic cap, the glass
High frequency double-sided copper-clad pcb board is equipped in steel outer cover, the front of the high frequency double-sided copper-clad pcb board shakes equipped with the first 5G band radiation
Son, the first 2.4G band radiation oscillator, impedance matching box, feed connection point, the first ground connection weld, heavy copper hole and S bending pass
Defeated route, one end of the impedance matching box connect conducting with the feed connection point, the other end of the impedance matching box with
It is connect conducting with the S bending transmission line, the first 5G band radiation oscillator and the first 2.4G band radiation oscillator respectively, it is described
Heavy copper hole is arranged in the position of the first ground connection weld, the outer conductor of the radio frequency connector and welds with first ground connection
Place's welding conducting is connect, inner conductor passes through the impedance matching box and S bending transmission line after being connected to feed connection point welding
Road is connected to the first 5G band radiation oscillator and the first 2.4G band radiation oscillator；
The back side of the high frequency double-sided copper-clad pcb board is equipped with the 2nd 5G band radiation oscillator, the 2nd 2.4G band radiation oscillator, puts down
Weighing apparatus-imbalance converter unit and second ground connection weld, the balanced-to-unblanced transformer unit include first balance-no
Balanced to unbalanced transformer, the second balanced-to-unblanced transformer, third balanced-to-unblanced transformer, the 4th balanced-to-unblanced transformer,
5th balanced-to-unblanced transformer and the 6th balanced-to-unblanced transformer, one end of first balanced-to-unblanced transformer
Conducting is connect with one end of the 2nd 2.4G band radiation oscillator and the 2nd 5G band radiation oscillator, first balance-is no
The other end of balanced to unbalanced transformer connect conducting with the second ground connection weld, and the one of second balanced-to-unblanced transformer
End connect conducting with one end of the 2nd 2.4G band radiation oscillator and the 2nd 5G band radiation oscillator respectively, and described second is flat
Weighing apparatus-imbalance converter other end is connect with one end of the third balanced-to-unblanced transformer, and the third balance-is no
The other end of balanced to unbalanced transformer is connect with one end of the 4th balanced-to-unblanced transformer, and the 4th balanced-unbalanced turns
The other end of parallel operation is flat with the 2nd 2.4G band radiation oscillator, one end of the 2nd 5G band radiation oscillator and the 5th respectively
The connection conducting of weighing apparatus-imbalance converter one end, the other end of the 5th balanced-to-unblanced transformer and the described 6th flat
The connection conducting of weighing apparatus-imbalance converter one end, the other end of the 6th balanced-to-unblanced transformer is respectively with described second
The connection conducting of one end of 2.4G band radiation oscillator and the 2nd 5G band radiation oscillator.
2. the glass reinforced plastic omnidirectional antenna according to claim 1 applied in WLAN, which is characterized in that described first
5G band radiation oscillator, the first 2.4G band radiation oscillator, the 2nd 5G band radiation oscillator and the 2nd 2.4G band radiation oscillator
Height be 1/4 λ0, wherein λ0For the free wavelength in space of center frequency point, the first 5G band radiation oscillator, first
It is described apply in nothing after 2.4G band radiation oscillator, the 2nd 5G band radiation oscillator and the 2nd 2.4G band radiation oscillator feed
The half-wave radiation oscillator of the glass reinforced plastic omnidirectional antenna of line local area network.
3. the glass reinforced plastic omnidirectional antenna according to claim 2 applied in WLAN, which is characterized in that described first
5G band radiation oscillator, the first 2.4G band radiation oscillator, the 2nd 5G band radiation oscillator and the 2nd 2.4G band radiation oscillator
Shape be U-shaped, the top design of the first 2.4G band radiation oscillator and the 2nd 2.4G band radiation oscillator is n
Word shape；The first 5G band radiation oscillator, the first 2.4G band radiation oscillator, the 2nd 5G band radiation oscillator and second
The number of 2.4G band radiation oscillator is three groups, the frequency of the first 2.4G described in the first 5G band radiation oscillator described in three groups and three groups
The unit group battle array of section radiating doublet is series feed structure, the frequency of the 2nd 2.4G described in the 2nd 5G band radiation oscillator described in three groups and three groups
The unit group battle array of section radiating doublet is series feed structure.
4. the glass reinforced plastic omnidirectional antenna according to claim 3 applied in WLAN, which is characterized in that described first
5G band radiation oscillator and the first 2.4G band radiation oscillator are being printed on the high frequency double-sided copper-clad pcb board just with microstrip line
Face, the 2nd 5G band radiation oscillator and the 2nd 2.4G band radiation oscillator are printed on the high frequency double-sided copper-clad with microstrip line
The feed at the back side of pcb board, the first 2.4G band radiation oscillator described in the first 5G band radiation oscillator described in three groups and three groups connects
It connects all to be connected by the S bending transmission line and be connected.
5. the glass reinforced plastic omnidirectional antenna according to any one of claims 1 to 4 applied in WLAN, feature exist
In, the high frequency double-sided copper-clad pcb board with a thickness of 1.10mm~1.30mm, length is 146.54mm~148.89mm, width
For 12.60mm~14.90mm.
6. the glass reinforced plastic omnidirectional antenna according to any one of claims 1 to 4 applied in WLAN, feature exist
In the material of the high frequency double-sided copper-clad pcb board is F4BM-2 double face copper, dielectric constant 2.65.
7. the glass reinforced plastic omnidirectional antenna according to any one of claims 1 to 4 applied in WLAN, feature exist
In the outer diameter of the aluminum pipe is 21.2mm~23.4mm, and length is 64.4mm~66.8mm, and the material of the aluminum pipe is aluminium conjunction
Gold.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811421854.1A CN109560376A (en) | 2018-11-27 | 2018-11-27 | Apply the glass reinforced plastic omnidirectional antenna in WLAN |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811421854.1A CN109560376A (en) | 2018-11-27 | 2018-11-27 | Apply the glass reinforced plastic omnidirectional antenna in WLAN |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114883788A (en) * | 2022-05-17 | 2022-08-09 | Oppo广东移动通信有限公司 | Antenna, radio frequency front-end module and communication equipment |
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Application publication date: 20190402 |