CN105703067A

CN105703067A - Antenna

Info

Publication number: CN105703067A
Application number: CN201610032378.9A
Authority: CN
Inventors: 李万
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-19
Filing date: 2016-01-19
Publication date: 2016-06-22

Abstract

The invention discloses an antenna comprising a reflecting plate equipped with multiple bipolar micro-strip oscillators. Each bipolar micro-strip oscillator comprises a circular PCB. A micro-strip unit is arranged on a side of the PCB. By means of reasonable arrangement, software simulation, and actual testing experiments, a wide frequency range can be achieved. Further, the oscillators are simple in structure, low in cost, good in anti-interference, and greatly improved in impedance characteristic.

Description

A kind of antenna

Technical field

The present invention relates to a kind of antenna。

Background technology

At present, along with the development of the communications industry, mobile communication has become most active and future industry, brings great convenience also to the life of people。And constantly increasing and growth that mobile subscriber needs along with mobile subscriber's quantity, the requirement of mobile communications network is more and more higher。Development along with the communications industry, mobile communication has become as most active and future industry, the general frequency band of oscillator in the market is narrow, it is not suitable for 3G, 4G network, for the high band of current mobile communications, 1.7～2.7GHz frequency range can meet major part mobile communication application occasion, such as the CDMA2000 of China Telecom, the WCDMA of CHINAUNICOM, TD-SADMA and GSM of China Mobile, LTE, network。Therefore, designing wideband vibrator and just can meet the requirement of current mobile communications network multi-elementization development, its impedance operator of oscillator in the market is undesirable, additionally oscillator structure complexity in the market, and parts are more, therefore also bring certain cost。

Summary of the invention

It is an object of the invention to overcome disadvantages described above, it is provided that a kind of overall bandwidth frequency width, impedance operator is excellent, radiation characteristic good, all channel antenna being provided with isolation strip of simple in construction。

For achieving the above object, the concrete scheme of the present invention is as follows: a kind of antenna, includes reflecting plate, and described reflecting plate is provided with multiple bipolarity micro-strip oscillator, and described bipolarity micro-strip oscillator includes the pcb board of circle, and the one side of pcb board is provided with microstrip element。

Wherein, described microstrip element include two groups, often group two oscillator unit；Upper and lower two oscillator unit are one group, are used for radiating vertical polarization signal, and two, left and right oscillator unit is one group, for radiation level polarized signal；Described pcb board central authorities are provided with square hollow hole；

Each oscillator unit includes radiation base, and two free ends on radiation base have all obliquely extended from the first radiating side, are formed horn-like between two the first radiating side；The free end of two the first radiating side all extends the second radiating side, be arranged in parallel between two the second radiating side；The free end of two the second radiating side has all obliquely extended from the 3rd radiating side, and the free end of two the 3rd radiating side all extends to the other side short radiating side；

Also including the radiation base arm in several fonts, the both sides of radiation base arm are extended two the first radiation arms, is formed horn-like between two the first radiation arms；The free end of two the first radiation arms all extends the second radiation arm, be arranged in parallel between two the second radiation arms；The free end of two the second radiation arms has all obliquely extended from the 3rd radiation arm, and described 3rd radiation arm is broadening gradually to free end from the one end near the second radiation arm, is provided with the 4th radiation arm between two the 3rd radiation arms；It is electrically connected with the first linking arm between each 3rd radiation arm and the 3rd adjacent radiating side；

The top of described radiation base arm is provided with the parasitic oscillator arms in convex shape, also includes feeder panel, and described feeder panel is electrically connected with the second linking arm with parasitic oscillator arms；

The another side of described pcb board is provided with four power feed hole corresponding with feeder panel。

Wherein, each described second oscillator arms is all extended to feeder panel side T-shaped coupling bar。

Wherein, the lever arm of described T-shaped coupling bar is provided with multiple circular aperture。

Wherein, the quantity of the circular aperture on each T-shaped coupling bar is 6。

Wherein, described 4th radiation arm is provided with laciniation away from the side of feeder panel。

Wherein, it is filled with quasiconductor in circular aperture。

Wherein, also including the metal division board being located in sealing coat, described metal division board is circular, and described metal division board is provided with four clearance holes corresponding with oscillator unit respectively。

Wherein, the edge of pcb board is provided with ring dress isolation strip；

The invention have the benefit that by rational setting, show that so setting can realize wider frequency range by software emulation and actual test experiments；Additionally oscillator structure is simple, and cost is low, and anti-interference is higher, greatly improved the impedance operator of oscillator。

Accompanying drawing explanation

Fig. 1 is the top view of the present invention；

Fig. 2 is the top view of the bipolarity micro-strip oscillator of the present invention；

Fig. 3 is the upward view of the bipolarity micro-strip oscillator of the present invention

Fig. 4 is the structural representation of the oscillator unit of the present invention

Fig. 5 is the frequency range emulation testing figure of the communication antenna of the present invention；

Fig. 6 is the directional diagram of the communication antenna of the present invention；

Description of reference numerals in Fig. 1 to Fig. 6:

A-reflecting plate；

1-PCB plate；11-ring dress isolation strip；12-hollow hole；13-power feed hole；

2-metal division board；21-clearance hole；

31-radiates base；32-the first radiating side；33-the second radiating side；34-the 3rd radiating side；The short radiating side of 35-；

41-radiates base arm；42-the first radiation arm；43-the second radiation arm；44-the 3rd radiation arm；45-the 4th radiation arm；46-parasitism oscillator arms；47-feeder panel；

51-the first linking arm；52-T shape coupling bar；53-circle aperture。

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, is not that the practical range of the present invention is limited thereto。

As shown in Figures 1 to 6, being provided with a kind of antenna described in the present embodiment, include reflecting plate a, described reflecting plate is provided with multiple bipolarity micro-strip oscillator, and described bipolarity micro-strip oscillator includes the pcb board 1 of circle, and the one side of pcb board 1 is provided with microstrip element。Wherein, described microstrip element include two groups, often group two oscillator unit；Upper and lower two oscillator unit are one group, are used for radiating vertical polarization signal, and two, left and right oscillator unit is one group, for radiation level polarized signal；Described pcb board 1 central authorities are provided with square hollow hole 12；Each oscillator unit includes radiation base 31, and two free ends on radiation base 31 have all obliquely extended from the first radiating side 32, are formed horn-like between two the first radiating side 32；The free end of two the first radiating side 32 all extends the second radiating side 33, be arranged in parallel between two the second radiating side 33；The free end of two the second radiating side 33 has all obliquely extended from the 3rd radiating side 34, and the free end of two the 3rd radiating side 34 all extends to the other side short radiating side 35；Also including the radiation base arm 41 in several fonts, the both sides of radiation base arm 41 are extended two the first radiation arms 42, is formed horn-like between two the first radiation arms 42；The free end of two the first radiation arms 42 all extends the second radiation arm 43, be arranged in parallel between two the second radiation arms 43；The free end of two the second radiation arms 43 has all obliquely extended from the 3rd radiation arm 44, and described 3rd radiation arm 44 is broadening gradually to free end from the one end near the second radiation arm 43, is provided with the 4th radiation arm 45 between two the 3rd radiation arms 44；It is electrically connected with the first linking arm 51 between each 3rd radiation arm 44 and the 3rd adjacent radiating side 34；The top of described radiation base arm 41 is provided with the parasitic oscillator arms 46 in convex shape, also includes feeder panel 47, and described feeder panel 47 is electrically connected with the second linking arm with parasitic oscillator arms 46；The another side of described pcb board 1 is provided with four power feed hole 13 corresponding with feeder panel 47。By the design of rational radiating element, improve radiation current, thus improving radiation characteristic。By being not less than the microstrip circuit structural design of 600 times, and by being not less than under 600 l-G simulation tests and parameter adjustment, finally determining above-mentioned antenna structure, this antenna possesses wider frequency range and good isolation and directivity and gain performance, possesses good communication performance；In actual test, this beamwidth of antenna available frequency range is up to 1.7GHz to 2.65GHz；Substantially meeting the requirement of communications band, its gain is also higher, and in frequency band, average gain is more than 8.952dBi；Meet actually used needs；If additionally isolation in its isolation figure frequency band, isolation performance better, such as Fig. 5, can be seen that in S3 isolation is more than 25.5dB in frequency range。Its directivity, as described in Figure 6, it is omni-directional antenna。Antenna described in the present embodiment, each described second oscillator arms is all extended to feeder panel 47 side T-shaped coupling bar 52。Being found by emulation experiment and actual test, the aperture of this quantity can be effectively increased the decoupling performance of T-shaped coupling bar；Antenna described in the present embodiment, the lever arm of described T-shaped coupling bar 52 is provided with multiple circular aperture 53。Antenna described in the present embodiment, the quantity of the circular aperture 53 on each T-shaped coupling bar 52 is 6。Being found by emulation experiment and actual test, the aperture of this quantity can be effectively increased the decoupling performance of T-shaped coupling bar；Antenna described in the present embodiment, described 4th radiation arm 45 is provided with laciniation away from the side of feeder panel 47。This structure can be effectively increased its isolation performance。Antenna described in the present embodiment, is filled with quasiconductor in circular aperture 53。Antenna described in the present embodiment, also includes the metal division board 2 being located in sealing coat a5, and described metal division board 2 is circular, and described metal division board 2 is provided with four clearance holes 21 corresponding with oscillator unit respectively。Antenna described in the present embodiment, the edge of pcb board 1 is provided with ring dress isolation strip 11；Ring dress isolation strip can effectively strengthen isolation performance, improves the electric property of antenna。

The above is only a preferred embodiment of the present invention, therefore all equivalences done according to the structure described in present patent application scope, feature and principle change or modify, and are included in the protection domain of present patent application。

Claims

1. an antenna, it is characterised in that: including reflecting plate (a), described reflecting plate is provided with multiple bipolarity micro-strip oscillator, and described bipolarity micro-strip oscillator includes the pcb board (1) of circle, and the one side of pcb board (1) is provided with microstrip element。

2. a kind of antenna according to claim 1, it is characterised in that: described microstrip element includes two groups, every two oscillator unit of group；Upper and lower two oscillator unit are one group, are used for radiating vertical polarization signal, and two, left and right oscillator unit is one group, for radiation level polarized signal；Described pcb board (1) central authorities are provided with square hollow hole (12)；

Each oscillator unit includes radiation base (31), and two free ends of radiation base (31) have all obliquely extended from the first radiating side (32), are formed horn-like between two the first radiating side (32)；The free end of two the first radiating side (32) all extends the second radiating side (33), be arranged in parallel between two the second radiating side (33)；The free end of two the second radiating side (33) has all obliquely extended from the 3rd radiating side (34), and the free end of two the 3rd radiating side (34) all extends to the other side short radiating side (35)；

Also including the radiation base arm (41) in several fonts, the both sides of radiation base arm (41) are extended two the first radiation arms (42), is formed horn-like between two the first radiation arms (42)；The free end of two the first radiation arms (42) all extends the second radiation arm (43), be arranged in parallel between two the second radiation arms (43)；The free end of two the second radiation arms (43) has all obliquely extended from the 3rd radiation arm (44), described 3rd radiation arm (44) is broadening gradually to free end from the one end near the second radiation arm (43), is provided with the 4th radiation arm (45) between two the 3rd radiation arms (44)；It is electrically connected with the first linking arm (51) between each 3rd radiation arm (44) and the 3rd adjacent radiating side (34)；

The top of described radiation base arm (41) is provided with the parasitic oscillator arms (46) in convex shape, also includes feeder panel (47), and described feeder panel (47) is electrically connected with the second linking arm with parasitic oscillator arms (46)；

The another side of described pcb board (1) is provided with four power feed hole (13) corresponding with feeder panel (47)。

3. a kind of antenna according to claim 2, it is characterised in that: each described second oscillator arms is all extended to feeder panel (47) side T-shaped coupling bar (52)。

4. a kind of antenna according to claim 3, it is characterised in that: the lever arm of described T-shaped coupling bar (52) is provided with multiple circular aperture (53)。

5. a kind of antenna according to claim 4, it is characterised in that: the quantity of the circular aperture (53) on each T-shaped coupling bar (52) is 6。

6. a kind of antenna according to claim 2, it is characterised in that: described 4th radiation arm (45) is provided with laciniation away from the side of feeder panel (47)。

7. a kind of antenna according to claim 5, it is characterised in that: it is filled with quasiconductor in circular aperture (53)。

8. a kind of antenna according to claim 2, it is characterized in that: also include the metal division board (2) being located in sealing coat (a5), described metal division board (2) is circular, and described metal division board (2) is provided with four clearance holes corresponding with oscillator unit respectively (21)。