CN207834568U - Microstrip antenna and apply its micro-strip antenna array - Google Patents
Microstrip antenna and apply its micro-strip antenna array Download PDFInfo
- Publication number
- CN207834568U CN207834568U CN201820200069.2U CN201820200069U CN207834568U CN 207834568 U CN207834568 U CN 207834568U CN 201820200069 U CN201820200069 U CN 201820200069U CN 207834568 U CN207834568 U CN 207834568U
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- microstrip antenna
- rectangular
- microstrip
- micro
- antenna
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Abstract
The utility model discloses a kind of microstrip antenna and apply its micro-strip antenna array, microstrip antenna includes rectangular microstrip antenna unit, four angles of the rectangular microstrip antenna unit are provided with rectangular channel, the rectangular channel extends from the centre position of the angular rectangular microstrip antenna unit of rectangular microstrip antenna unit, and four rectangular channels is equal in magnitude.Microstrip antenna realizes two-frequency operation by way of slotting in quadrangle, reduces the usage quantity of microstrip antenna, also reduces the volume of system, while also saving material, resource.
Description
Technical field
The utility model is related to a kind of microstrip antenna and apply its micro-strip antenna array.
Background technology
Currently, microstrip antennas most of on the market are all single-frequency point, low gain and linear polarization working condition at present, it is difficult to full
The present ever-increasing market demand of foot.It results in various systems to be operated in the state of poor efficiency, wastes resource.Single-frequency point
Antenna increase material cost, low gain also increases to the power consumption requirements of transmitter, linear polarization receive signal interference
Also bigger.
Invention content
Technical problem to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of microstrip antenna, micro-
Two-frequency operation is realized by way of slotting in quadrangle with antenna, reduces the usage quantity of microstrip antenna, is also reduced and is
The volume of system, while also saving material, resource.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of microstrip antenna, it includes that rectangle is micro-
Band antenna element, four angles of the rectangular microstrip antenna unit are provided with rectangular channel, and the rectangular channel is from rectangular microstrip antenna
The centre position of the angular rectangular microstrip antenna unit of unit extends, and four rectangular channels is equal in magnitude.
Further, the end of the central point of the close rectangular microstrip antenna unit of the rectangular channel is in closed, the square
The end of the central point of the separate rectangular microstrip antenna unit of shape slot is opening-like.
A kind of concrete structure of rectangular microstrip antenna unit is further provided, the rectangular microstrip antenna unit includes certainly
Earth plate, medium substrate and the surface emissivity patch set gradually on down, the rectangular channel are arranged on surface emissivity patch.
Further for the performance for improving microstrip antenna, the medium substrate is made of high frequency plank.
Further for the machining accuracy for improving rectangular channel, and then the product control of microstrip antenna is improved, the rectangular channel is by swashing
Light is carved.
Further for making microstrip antenna realize circular polarisation, the length of the rectangular channel is the short of rectangular microstrip antenna unit
The 35% of the length on side.
In order to improve the gain of antenna, the use of the new type additionally provides a kind of micro-strip antenna array, it includes four micro-strips
Antenna.
Further for conveniently the excitation with phases such as width is provided to four microstrip antennas, micro-strip antenna array further includes one point
Four microstrip power dividers, one point of four microstrip power divider include four output ends, and each of described one point of four microstrip power divider is defeated
Outlet is connected with corresponding microstrip antenna respectively.
Above-mentioned technical proposal is used, the utility model has advantageous effect below：
1, the microstrip antenna of the utility model changes square by slotting in the quadrangle of traditional rectangular microstrip antenna unit
The current distribution of microstrip cell surface realizes two independent current loops so that microstrip antenna forms two
Working frequency points reduce the usage quantity of microstrip antenna, reduce the volume of system, while also saving material, resource；
2, should have the utility model microstrip antenna rectangular channel length account for microstrip antenna bond length 35% when,
Degenerate mode can be isolated, two orthogonal models are motivated, so that the phase of two components is differed 90 degree, to realize entelechy
Change, circular polarisation have the characteristics that Anti-amyloid-β antibody, channel capacity greatly, polarity diversity；
3, the micro-strip antenna array of the utility model is allocated to four by one point four of microstrip power divider constant power
Excitation of the microstrip antenna with phases such as width so that four microstrip antennas can be operated under same state, the increasing of micro-strip antenna array
Benefit can be higher 6dB than single microstrip antenna, and the reduction of raising and system power dissipation to whole system efficiency has prodigious side
It helps, under identical condition, the micro-strip antenna array of the utility model can radiate farther distance and consume smaller energy；
4, the micro-strip antenna array of the utility model can be integrated in a variety of radio circuit fronts, have higher circuit collection
Cheng Du reduces entire transmitting or receives the volume of system, integrates functional.
Description of the drawings
Fig. 1 is the structural schematic diagram of the microstrip antenna of the utility model；
Fig. 2 is the structural schematic diagram of the micro-strip antenna array of the utility model.
Specific implementation mode
In order to make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model.
Embodiment one
As shown in Figure 1, 2, a kind of microstrip antenna, it includes rectangular microstrip antenna unit 1, the rectangular microstrip antenna unit
1 four angles are provided with rectangular channel 2, angular rectangular microstrip antenna unit 1 of the rectangular channel 2 from rectangular microstrip antenna unit 1
Centre position extend, and four rectangular channels 2 is equal in magnitude.
As shown in Figure 1, 2, the end of the central point of the close rectangular microstrip antenna unit 1 of the rectangular channel 2 is in closed,
The end of the central point of the separate rectangular microstrip antenna unit 1 of the rectangular channel 2 is opening-like.
As shown in Figure 1, 2, the rectangular microstrip antenna unit 1 includes earth plate, the medium base set gradually from bottom to top
Plate and surface emissivity patch, the rectangular channel 2 are arranged on surface emissivity patch.Specifically, by four rectangular channels 2 so that table
Two current loops are formed on surface radiation patch, thus generate two resonance points, and to obtain two zeros, microstrip antenna is thus real
Existing two-frequency operation, the area by adjusting rectangular channel 2 account for the ratio of the gross area of surface emissivity patch, can be in a certain range
It realizes different double frequencies, can adjust according to the actual needs, the two frequency bins for meeting actual demand can be obtained, met simultaneously
The impedance matching of the input of double frequency.
In order to improve the performance of microstrip antenna, the medium substrate is made of high frequency plank.Specifically, institute on the market at present
All it is that common epoxy glass fiber plate is suitble to large-scale processing of going into operation, performance although cheap with medium substrate
Poor, the performance of plank is unstable, and product control is poor.Compared with common medium substrate, the dielectric constant and thickness of high frequency plank
Tolerance is all relatively low, and product control is high, is suitable for microstrip antenna.
In order to improve the machining accuracy of rectangular channel 2, and then the product control of microstrip antenna is improved, the rectangular channel 2 is carved by laser
It carves.
In order to make microstrip antenna realize, circular polarisation, the length of the rectangular channel 2 are the short side of rectangular microstrip antenna unit 1
The 35% of length.Specifically, it when the length of rectangular channel 2 reaches the 35% of 1 bond length of rectangular microstrip antenna unit, can produce
It is estranged to separate out degenerate mode, two orthogonal polarization are motivated, the phase of two components just differs just 90 degree at this time, realizes
The function of circular polarisation.
Embodiment two
As shown in Figure 1, 2, a kind of micro-strip antenna array, it includes four microstrip antennas as described in embodiment one.
As shown in Fig. 2, the convenient excitation provided to four microstrip antennas with phases such as width, micro-strip antenna array further includes one point
Four microstrip power dividers 3, one point of four microstrip power divider 3 include four output ends, each of described one point of four microstrip power divider 3
Output end is connected with corresponding microstrip antenna respectively.Specifically, it is allocated to by one point four of 3 constant power of microstrip power divider
Excitation of four microstrip antennas with phases such as width so that four microstrip antennas can be operated under same state, micro-strip antenna array
Gain can be higher 6dB than single microstrip antenna, the reduction of raising and system power dissipation to whole system efficiency has very big
Help.
The operation principle of the utility model is as follows：
The microstrip antenna of the utility model changes square by slotting in the quadrangle of traditional rectangular microstrip antenna unit 1
The current distribution on 1 surface of microstrip unit realizes two independent current loops so that microstrip antenna forms two
Working frequency points reduce the usage quantity of microstrip antenna, reduce the volume of system, while also saving material, resource；It should have
When the length of the rectangular channel 2 of the microstrip antenna of the utility model accounts for the 35% of the bond length of microstrip antenna, letter can be isolated
And mould, two orthogonal models are motivated, so that the phase of two components is differed 90 degree, to realize that circular polarisation, circular polarisation have
The features such as Anti-amyloid-β antibody, channel capacity be big, polarity diversity；The micro-strip antenna array of the utility model passes through one point four of micro-strip
3 constant power of power splitter it is allocated to excitation of four microstrip antennas with phases such as width so that four microstrip antennas can be operated in
Under same state, the gain of micro-strip antenna array can be higher 6dB than single microstrip antenna, to the raising of whole system efficiency and
The reduction of system power dissipation has prodigious help, and under identical condition, the micro-strip antenna array of the utility model can radiate
Farther distance and the smaller energy of consumption；The micro-strip antenna array of the utility model can be integrated in a variety of radio circuits just
Face has higher circuit level, reduces entire transmitting or receives the volume of system, integrates functional.
Particular embodiments described above, the technical issues of the utility model is solved, technical solution and advantageous effect into
It has gone further description, it should be understood that the foregoing is merely specific embodiment of the utility model, and has not had to
In limitation the utility model, within the spirit and principle of the utility model, any modification, equivalent substitution and improvements done
Deng should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of microstrip antenna, it includes rectangular microstrip antenna unit (1), it is characterised in that：The rectangular microstrip antenna unit
(1) four angles are provided with rectangular channel (2), and the rectangular channel (2) is from the angular rectangular microstrip day of rectangular microstrip antenna unit (1)
The centre position of line unit (1) extends, and four rectangular channels (2) is equal in magnitude.
2. microstrip antenna according to claim 1, it is characterised in that：The close rectangular microstrip antenna of the rectangular channel (2)
The end of the central point of unit (1) is in closed, the central point of the separate rectangular microstrip antenna unit (1) of the rectangular channel (2)
End it is opening-like.
3. microstrip antenna according to claim 1, it is characterised in that：The rectangular microstrip antenna unit (1) includes under
Earth plate, medium substrate and the surface emissivity patch set gradually on and, the rectangular channel (2) are arranged in surface emissivity patch
On.
4. microstrip antenna according to claim 3, it is characterised in that：The medium substrate is made of high frequency plank.
5. microstrip antenna according to claim 1, it is characterised in that：The rectangular channel (2) is formed by laser engraving.
6. according to full microstrip antenna described in claim 1, it is characterised in that：The length of the rectangular channel (2) is rectangular microstrip
The 35% of the length of the short side of antenna element (1).
7. a kind of micro-strip antenna array, it is characterised in that：It includes four such as claim 1~6 any one of them micro-strip day
Line.
8. micro-strip antenna array according to claim 7, it is characterised in that：Further include one point of four microstrip power divider (3), institute
It includes four output ends to state one point of four microstrip power divider (3), each output end of one point of four microstrip power divider (3) respectively with
Corresponding microstrip antenna is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820200069.2U CN207834568U (en) | 2018-02-06 | 2018-02-06 | Microstrip antenna and apply its micro-strip antenna array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820200069.2U CN207834568U (en) | 2018-02-06 | 2018-02-06 | Microstrip antenna and apply its micro-strip antenna array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207834568U true CN207834568U (en) | 2018-09-07 |
Family
ID=63397004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820200069.2U Expired - Fee Related CN207834568U (en) | 2018-02-06 | 2018-02-06 | Microstrip antenna and apply its micro-strip antenna array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207834568U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600871A (en) * | 2019-07-09 | 2019-12-20 | 宁波市乐星感应电器有限公司 | Microstrip plane antenna |
| CN110600869A (en) * | 2019-09-27 | 2019-12-20 | Tcl移动通信科技（宁波）有限公司 | Microstrip antenna and mobile terminal |
| WO2022030894A1 (en) * | 2020-08-04 | 2022-02-10 | 삼성전자 주식회사 | Uwb antenna and electronic device including same |
| CN114243257A (en) * | 2022-02-28 | 2022-03-25 | 之江实验室 | High-gain high-efficiency on-chip antenna of silicon-based process |
-
2018
- 2018-02-06 CN CN201820200069.2U patent/CN207834568U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600871A (en) * | 2019-07-09 | 2019-12-20 | 宁波市乐星感应电器有限公司 | Microstrip plane antenna |
| CN110600869A (en) * | 2019-09-27 | 2019-12-20 | Tcl移动通信科技（宁波）有限公司 | Microstrip antenna and mobile terminal |
| WO2022030894A1 (en) * | 2020-08-04 | 2022-02-10 | 삼성전자 주식회사 | Uwb antenna and electronic device including same |
| CN114243257A (en) * | 2022-02-28 | 2022-03-25 | 之江实验室 | High-gain high-efficiency on-chip antenna of silicon-based process |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20190206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |