CN2729937Y - Double-polarization dipole antenna - Google Patents
Double-polarization dipole antenna Download PDFInfo
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- CN2729937Y CN2729937Y CN 200420065583 CN200420065583U CN2729937Y CN 2729937 Y CN2729937 Y CN 2729937Y CN 200420065583 CN200420065583 CN 200420065583 CN 200420065583 U CN200420065583 U CN 200420065583U CN 2729937 Y CN2729937 Y CN 2729937Y
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Abstract
The utility model relates to a double-polarization dipole antenna, which is a printed circuit antenna. The antenna comprises a basal plate provided with a first node and input a signal containing a radio-frequency signal and a switching signal, a pair of polarization antennas arranged on the basal plate and provided with more than one vertical polarization antennas and more than one horizontal polarization antenna to radiate the radio-frequency signal, as well as a switching circuit arranged on the basal plate. The switching circuit makes the radiation path of the radio-frequency signal switch into the vertical polarization antennas or the horizontal polarization antenna, according to the switching signal, and the radio-frequency signal is radiated by the vertical polarization antennas or the horizontal polarization antenna. Making use of containing the radio-frequency signal and the switching signal in the inputting signal, the utility model can switch the antenna circuits of different direction of polarization and emit the different radiation signals of different direction of polarization, in order to reach the purpose of simplifying the circuit design of the system end and hoisting the whole efficiency.
Description
Technical field
The utility model is a kind of dual polarization dipole antenna relevant for dual polarization dipole antenna, particularly a kind of built-in commutation circuit.
Background technology
In portable communication system, because multipath interference problem (Multipath fading), cause communication quality bad, this is because between emission and reception, many barriers are arranged, these barriers can make electromagnetic wave produce refraction and reflection, making signal is not single direction, but multidirectional, therefore, the technology of common usage variance (Diversity Schemes) solves the problem that multipath disturbs in the portable communication system, just launches the signal of two above tool othernesses and gives receiving terminal, reaches the purpose that increases received signal intensity.
In general, the otherness of having living space (Space diversity), with two kinds of polarization difference (Polarizationdiversity), the former utilizes and sets up the linear antenna of two different azimuth, receive the signal of different azimuth, reach the purpose that increases received signal intensity, the latter is then to receive the signal of two phase differences, 90 degree, because when signal phase difference 90 is spent, (Correlation) is the poorest for its correlation, reach the purpose that increases received signal intensity, the latter is because use antenna amount less, so be to select preferably.
Yet when this class dual polarized signals of emission, need to switch the different antenna traces of its polarised direction by commutation circuit, to launch the signal of different polarised directions, and most commutation circuit all designs at the communication system end, and need external power supply to give commutation circuit, usually has huge and complicated electronic circuit apparatus at system end, signal interference problem between these electronic circuit apparatus, concerning wireless telecommunication system, influence one of its communication quality factor beyond doubt, therefore, simplified system terminal circuit how, to reduce the signal disturbing factor, promote its whole efficiency, become one of researcher's problem to be solved.
Summary of the invention
Because the shortcoming of insurmountable problem of prior art and existence, the utility model proposes a kind of dual polarization dipole antenna of built-in commutation circuit, by commutation circuit is incorporated on the dual polarized antenna, comes the circuit design of simplified system end, and promote its whole efficiency.
In order to achieve the above object, in the dual polarization dipole antenna provided by the utility model, include following modules: substrate, dual polarized antenna and commutation circuit.Wherein, dual polarized antenna and commutation circuit are disposed on the substrate, dual polarized antenna has more than one vertical polarized antenna and more than one horizontally-polarized antenna, in order to produce the radiation signal of a vertical polarization directions or a horizontal polarization directions, and utilization includes radiofrequency signal and switching signal in input signal, voltage signal by the input varying level switches the antenna element of different polarised directions, with the radiofrequency signal of the different polarised directions of radiation to commutation circuit.
In addition, in order to strengthen the antenna directive gain value, the metallic reflection plate that can be arranged in parallel (example, aluminium sheet or iron plate or the like) is in a side of dual polarized antenna, and interval one preset distance, in order to reflected radiation signals to a specific direction, to increase the directive property of antenna.
That is to say that the utility model provides a kind of dual polarization dipole antenna, is a printed circuit antenna, and this antenna comprises: a substrate, have a first node, and import a signal, this signal comprises a radiofrequency signal and and switches signal; One dual polarized antenna is disposed on this substrate, has more than one vertical polarized antenna and more than one horizontally-polarized antenna, this radiofrequency signal of radiation; And one switch circuit, is disposed on this substrate, according to this switching signal, the radiation path of this radiofrequency signal switched to this vertical polarized antenna or this horizontally-polarized antenna, by this vertical polarized antenna or this this radiofrequency signal of horizontally-polarized antenna radiation.
According to design of the present utility model, this dual polarization dipole antenna also includes a reflecting plate, and this expelling plate reflects this radiation signal to one specific direction, to increase the directive property of this antenna.
According to design of the present utility model, this reflecting plate is set in parallel in a side of this antenna.
According to design of the present utility model, this substrate material is that Rogers RO4350B is made.
According to design of the present utility model, when this switching signal was high level, this radiofrequency signal produced the radiation signal of this vertical polarization directions by this more than one vertical polarized antenna.
According to design of the present utility model, when this switching signal was high level, this radiofrequency signal produced the radiation signal of this horizontal polarization directions by this more than one horizontally-polarized antenna.
According to design of the present utility model, this commutation circuit also comprises: resistance and one first electric capacity are parallel between this first node and a Section Point, in order to filtering noise and restriction rated current; One first diode switch, the P utmost point of this first diode is coupled to this Section Point, and its N utmost point is coupled to one the 3rd node; One end of one inductance and one second electric capacity is connected to the 3rd node altogether, the other end ground connection of this inductance, and the other end of this second electric capacity is coupled to this more than one vertical polarized antenna, forms the current circuit when being used in this vertical polarized antenna; One 1/4 λ microstrip lines, an end of this 1/4 λ microstrip line is coupled to the 3rd node, and its other end is coupled to one the 4th node, in order to the required impedance of terminated line; One second diode switch, the P utmost point of this second diode switch is coupled to the 4th node, and its N utmost point ground connection forms the current circuit when being used in this horizontally-polarized antenna; An end that reaches one the 3rd electric capacity is coupled to the 4th node, and its other end is coupled to this more than one horizontally-polarized antenna, in order to block direct current.
The utility model is by this dual polarization dipole antenna, the design that utilizes commutation circuit and antenna to be wholely set, and circuit design that can the simplified system end reduces the signal disturbing factor, to promote its whole efficiency.
Description of drawings
The 1st figure is the schematic appearance that the utility model is carried;
The 2nd figure is the commutation circuit figure that the utility model is carried;
3A figure is a switched voltage that the utility model is carried when being high level, the radiation field shape figure on H-plane;
3B figure is a switched voltage that the utility model is carried when being high level, the radiation field shape figure on V-plane;
3C figure is a switched voltage that the utility model is carried when being low level, the radiation field shape figure on H-plane; And
3D figure is a switched voltage that the utility model is carried when being low level, the radiation field shape figure on V-plane.
Wherein, description of reference numerals is as follows:
The 1-first node; The 10-commutation circuit; 15-1/4 λ microstrip line; The 100-electronic installation;
The 2-Section Point; The 20-dual polarized antenna; 20a-vertical polarized antenna unit;
20b-horizontally-polarized antenna unit; 3-the 3rd node; The 30-substrate; 4-the 4th node;
The 40-reflecting plate; The 50-plain conductor; C1-first electric capacity; C2-second electric capacity;
C3-the 3rd electric capacity; D1-first diode switch; D2-second diode switch;
The L1-inductance; R1-resistance.
Embodiment
Relevant characteristics and implementation of the present utility model, existing conjunction with figs. is described in detail as follows as most preferred embodiment.
Please refer to the 1st figure, be schematic appearance of the present utility model, include: commutation circuit 10, dual polarized antenna 20, substrate 30, reflecting plate 40 and plain conductor 50, dual polarized antenna 20 of the present utility model is a kind of printed circuit antenna, its substrate 30 materials are non-metallic material (example, glass fibre FR4) made, and utilize the chemical etching mode that required circuit pattern is made.
Wherein, dual polarized antenna 20 can be divided into according to polarised direction: vertical polarized antenna unit 20a has the antenna traces structure of more than one vertical direction, to produce vertical direction electromagnetic wave field shape; Horizontally-polarized antenna unit 20b, antenna traces structure with more than one horizontal direction, to produce the electromagnetic wave field shape of horizontal direction, and utilize and include radiofrequency signal and switching signal in the input signal, by the input varying level voltage signal to commutation circuit 10, carry out the switching of antenna-path.
In addition, in order to strengthen the yield value of antenna directivity, a metallic reflection plate 40 (examples can be arranged in parallel, aluminium sheet or iron plate or the like) in a side of dual polarized antenna, and interval one preset distance, in order to reflected radiation signals to a specific direction, to increase the directive property of antenna.
Please refer to the 2nd figure, be commutation circuit figure of the present utility model, include: the first diode switch D1, the second diode switch D2, inductance L 1, first capacitor C 1, second capacitor C 2, the 3rd capacitor C 3, resistance R 1, vertical polarized antenna unit 20a, horizontally-polarized antenna unit 20b and one section 1/4 λ microstrip line 15 are formed.
At first, the resistance R 1 and first capacitor C 1 are parallel between first node 1 and the Section Point 2, in order to filtering noise and restriction rated current, the P utmost point of the first diode switch D1 is coupled to Section Point 2, the N utmost point of the first diode switch D1 is coupled to the 3rd node 3, one end of second capacitor C 2 and an end of inductance L 1 are coupled to the 3rd node 3, in order to block direct current, and the other end of second capacitor C 2 is connected to vertical polarized antenna unit 20a, the other end ground connection (Ground) of inductance L 1, the current circuit when being used in vertical polarized antenna with formation.
In addition, (λ: wavelength) end of microstrip line 15 is coupled to Section Point 2 to 1/4 λ, its other end is coupled to the 4th node 4, in order to the required impedance of terminated line, current circuit when the N utmost point ground connection that the P utmost point of the second diode switch D2 is coupled to the 4th node 4, the second diode switch D2 is used in horizontally-polarized antenna with formation, the 3rd capacitor C 3 one ends are coupled to the 4th node 4, in order to block direct current, its other end is connected to horizontally-polarized antenna unit 20b.
Next, the action specification of commutation circuit 10 is as follows:
When the voltage signal of importing is a high level (example, 3 volts of voltages of direct current) time, the first diode switch D1 and the second diode switch D2 are because of suitable conducting (ON) partially, and the path that inductance L 1 provides switching signal to hold with arriving is concerning radiofrequency signal, by 1/4 λ microstrip line, 15 to second diode switch D2, open circuit is treated as, so radiofrequency signal can't be passed through in the path of holding with arriving then, and pass through the path that second capacitor C 2 arrives vertical polarized antenna unit 20a, to produce the radiation signal of vertical polarization directions.
When input voltage signal is a low level (example, 0 volt of voltage of direct current) time, the first diode switch D1 and the second not conducting of diode switch D2 (OFF), so radiofrequency signal can not be passed through the formed vertical polarized antenna of first diode switch D1 path, can only pass through 1/4 λ microstrip line, 15 to the 3rd capacitor C 3, arrive horizontally-polarized antenna unit 20b then, to produce the radiation signal of horizontal polarization directions.
Wherein circuit unit is by surface adhering technology (Surface Mounted Technology; SMT) be welded in precalculated position on the substrate 30, and in input signal cable, comprise switching signal and wireless signal, and the voltage signal by high-low level, switch two antenna loops that polarised direction is different, with the radiofrequency signal of radiation level or vertical direction.
In addition, the radiation field shape figure that the utility model also proposes actual test explains, do different tests with frequency 2.4GHz, 2.45GHz and 2.5GHz respectively, when please refer to 3A figure and be switched voltage and being high level, the radiation field shape figure on H-plane, 3B figure is a switched voltage when being high level, the radiation field shape on V-plane figure; 3C figure is a switched voltage when being low level, and the radiation field shape on H-plane figure, 3D figure are switched voltage when being low level, the radiation field shape figure on V-plane.
By this dual polarization dipole antenna, can simplify the circuit design of communication system end, to reach the purpose of simplified design and lifting whole efficiency.
Though the utility model discloses as above with aforesaid preferred embodiment, so it is not in order to limit the utility model; In not breaking away from spirit and scope of the present utility model, change of doing and retouching all are included in the scope of patent protection of the present utility model; Please refer to claims about the protection range that the utility model defined.
Claims (6)
1. a dual polarization dipole antenna is a printed circuit antenna, it is characterized in that this antenna comprises:
One substrate has a first node, and to import a signal, this signal comprises a radiofrequency signal and and switches signal;
One dual polarized antenna is disposed on this substrate, has more than one vertical polarized antenna and more than one horizontally-polarized antenna, with this radiofrequency signal of radiation; And
One switches circuit, is disposed on this substrate, according to this switching signal, the radiation path of this radiofrequency signal is switched to this vertical polarized antenna or this horizontally-polarized antenna, and by this vertical polarized antenna or this this radiofrequency signal of horizontally-polarized antenna radiation.
2. dual polarization dipole antenna as claimed in claim 1 is characterized in that also including a reflecting plate, and this expelling plate reflects this radiation signal to one specific direction.
3. dual polarization dipole antenna as claimed in claim 2 is characterized in that this reflecting plate is set in parallel in a side of this antenna.
4. dual polarization dipole antenna as claimed in claim 1, it is characterized in that this switching signal according to high level, this commutation circuit switches to this vertical polarized antenna with the radiation path of this radiofrequency signal, and this more than one vertical polarized antenna produces the radiation signal of this vertical polarization directions.
5. dual polarization dipole antenna as claimed in claim 1, it is characterized in that this switching signal according to high level, this commutation circuit switches to this horizontally-polarized antenna with the radiation path of this radiofrequency signal, and this more than one horizontally-polarized antenna produces the radiation signal of this horizontal polarization directions.
6. dual polarization dipole antenna as claimed in claim 1 is characterized in that this commutation circuit also comprises:
One resistance and one first electric capacity are parallel between this first node and a Section Point;
One first diode switch, the P utmost point of this first diode is coupled to this Section Point, and its N utmost point is coupled to one the 3rd node;
One end of one inductance and one second electric capacity is connected to the 3rd node altogether, the other end ground connection of this inductance, and the other end of this second electric capacity is coupled to this more than one vertical polarized antenna, forms the current circuit when being used in this vertical polarized antenna;
One 1/4 λ microstrip lines, an end of this 1/4 λ microstrip line is coupled to the 3rd node, and its other end is coupled to one the 4th node;
One second diode switch, the P utmost point of this second diode switch is coupled to the 4th node, and its N utmost point ground connection forms the current circuit when being used in this horizontally-polarized antenna; And
One end of one the 3rd electric capacity is coupled to the 4th node, and its other end is coupled to this more than one horizontally-polarized antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420065583 CN2729937Y (en) | 2004-06-08 | 2004-06-08 | Double-polarization dipole antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420065583 CN2729937Y (en) | 2004-06-08 | 2004-06-08 | Double-polarization dipole antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2729937Y true CN2729937Y (en) | 2005-09-28 |
Family
ID=35048710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420065583 Expired - Fee Related CN2729937Y (en) | 2004-06-08 | 2004-06-08 | Double-polarization dipole antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2729937Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009124417A1 (en) * | 2008-04-10 | 2009-10-15 | 西门子公司 | Antenna module |
| CN103268980A (en) * | 2005-12-23 | 2013-08-28 | 鲁库斯无线公司 | Antennas with polarization diversity |
| CN105322303A (en) * | 2014-07-03 | 2016-02-10 | 日立金属株式会社 | Antenna device |
| CN106207495A (en) * | 2016-08-23 | 2016-12-07 | 江苏省东方世纪网络信息有限公司 | Dual polarized antenna and radiating element thereof |
| CN108649326A (en) * | 2018-04-20 | 2018-10-12 | 四川斐讯信息技术有限公司 | A kind of polarization reconfigurable antenna, reconstructing method and mimo system |
| US10181655B2 (en) | 2004-08-18 | 2019-01-15 | Arris Enterprises Llc | Antenna with polarization diversity |
| CN110534870A (en) * | 2018-05-24 | 2019-12-03 | 三星电子株式会社 | Phased array antenna module and communication equipment including phased array antenna module |
| CN112072306A (en) * | 2020-08-18 | 2020-12-11 | 深圳捷豹电波科技有限公司 | Phase antenna assembly and electronic equipment |
| CN113725594A (en) * | 2019-05-30 | 2021-11-30 | 乾坤科技股份有限公司 | Antenna structure |
-
2004
- 2004-06-08 CN CN 200420065583 patent/CN2729937Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10181655B2 (en) | 2004-08-18 | 2019-01-15 | Arris Enterprises Llc | Antenna with polarization diversity |
| CN103268980A (en) * | 2005-12-23 | 2013-08-28 | 鲁库斯无线公司 | Antennas with polarization diversity |
| CN103268980B (en) * | 2005-12-23 | 2017-11-17 | 鲁库斯无线公司 | Antenna system |
| CN101981755A (en) * | 2008-04-10 | 2011-02-23 | 西门子公司 | Antenna module |
| WO2009124417A1 (en) * | 2008-04-10 | 2009-10-15 | 西门子公司 | Antenna module |
| CN105322303A (en) * | 2014-07-03 | 2016-02-10 | 日立金属株式会社 | Antenna device |
| CN105322303B (en) * | 2014-07-03 | 2019-09-17 | 日立金属株式会社 | Antenna assembly |
| CN106207495B (en) * | 2016-08-23 | 2020-12-04 | 江苏省东方世纪网络信息有限公司 | Dual-polarized antenna and radiating element thereof |
| CN106207495A (en) * | 2016-08-23 | 2016-12-07 | 江苏省东方世纪网络信息有限公司 | Dual polarized antenna and radiating element thereof |
| CN108649326A (en) * | 2018-04-20 | 2018-10-12 | 四川斐讯信息技术有限公司 | A kind of polarization reconfigurable antenna, reconstructing method and mimo system |
| CN110534870A (en) * | 2018-05-24 | 2019-12-03 | 三星电子株式会社 | Phased array antenna module and communication equipment including phased array antenna module |
| CN113725594A (en) * | 2019-05-30 | 2021-11-30 | 乾坤科技股份有限公司 | Antenna structure |
| CN112072306A (en) * | 2020-08-18 | 2020-12-11 | 深圳捷豹电波科技有限公司 | Phase antenna assembly and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050928 |