CN107369920A - A kind of low section end-on-fire antenna of all-metal construction - Google Patents
A kind of low section end-on-fire antenna of all-metal construction Download PDFInfo
- Publication number
- CN107369920A CN107369920A CN201710453952.2A CN201710453952A CN107369920A CN 107369920 A CN107369920 A CN 107369920A CN 201710453952 A CN201710453952 A CN 201710453952A CN 107369920 A CN107369920 A CN 107369920A
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- CN
- China
- Prior art keywords
- metal
- antenna
- bonding jumper
- low section
- sheet metal
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/285—Aircraft wire antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
- H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk
-
- 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
-
- 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
Abstract
A kind of low section end-on-fire antenna of all-metal construction, including：Metal floor；Bonding jumper with forming fed microstrip cable architecture together with metal floor；And the half module paster radiating element arranged along the microstrip line cycle, there are the metallic walls being stamped and formed out thereon.This antenna is made up of all-metal construction, uses air as medium, it is possible to achieve good end-fire effect, and there is the characteristics of low section, simple in construction, cost of manufacture is cheap, it is easy to mass produce.
Description
Technical field
The invention belongs to antenna technical field, is related to end-on-fire antenna, the low section end of more particularly to a kind of all-metal construction
Penetrate antenna.
Background technology
End-on-fire antenna is a kind of energy from feed, the antenna radiated along antenna extension direction.The product of end-on-fire antenna
Kind is various, and pattern is also relatively abundanter.Both can be absolute construction, as yagi aerial, axial mode helical antenna, dielectric rod antenna,
The array that log-periodic antenna and conical spiral antenna etc. or multiple independent antenna elements are formed.
End-on-fire antenna all has a wide range of applications in military field and civil area.Particularly it is limited in some bulks
Application scenarios in, such as aircraft or automobile top, there is very big demand to low section end-on-fire antenna.Low section characteristic requirements end-fire
Antenna is arranged on big metal surface.Current existing low section end-on-fire antenna design is mostly based on printed circuit board (PCB) work
Skill, adds man-hour requirement to use the high-frequency circuit board of high quality, and cost is higher.
The content of the invention
The shortcomings that in order to overcome above-mentioned prior art, it is an object of the invention to provide a kind of low section of all-metal construction
End-on-fire antenna, the antenna structure are all made up of metal, use air as medium, it is possible to achieve good end-fire characteristic；Entirely
Metal structure reduces the manufacturing cost of antenna, beneficial to large-scale production.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of low section end-on-fire antenna of all-metal construction, including：
Bonding jumper 1, microstrip-fed circuit is formed with metal floor 5；
The half module paster radiating element arranged along the cycle of bonding jumper 1, each unit is by parallel with metal floor 5 and be located at it
The sheet metal 1 of top, the sheet metal 23 for connecting bonding jumper 1 and sheet metal 1 and for be connected sheet metal 1 and
The metallic walls 4 perpendicular to metal floor 5 of metal floor 5 are formed；
When Antenna Operation, the microstrip-fed each half module paster radiating element 2 of circuit activation, end-fire characteristic is realized.
The microstrip-fed circuit and the half module paster radiating element of cycle arrangement are used as medium by the use of by the use of air.
The bonding jumper 1 is located at the top of metal floor 5, is parallel to each other；The bonding jumper 1 and sheet metal 1, sheet metal two
3 are generally aligned in the same plane.
The metallic walls 4 are perpendicular to the length direction of bonding jumper 1, and metallic walls 4 do not connect with sheet metal 23.
A quarter wavelength phase of the cycle of the half module paster radiating element arrangement with electromagnetic wave in free space
When.
The Z-direction length of the sheet metal 1 determines the working frequency of antenna；The height of antenna determines each half module patch
The radiation intensity of piece radiating element, Z-direction refer to the length direction of bonding jumper 1.
The preferred embodiment of the present invention, the working frequency of the antenna is 5GHz, and the width of bonding jumper 1 is 5 millimeters,
Length is 360 millimeters；The Z-direction length of sheet metal 1 is 13.5 millimeters, and Y-direction length is 8 millimeters；Half module paster radiating element
The cycle arrange as 15 millimeters；The size of sheet metal 23 is the square of 1 millimeter of the length of side, and the height of antenna is the height of metallic walls 4
For 1.1 millimeters, wherein, Z-direction refers to the length direction of bonding jumper 1, and Y-direction refers to the width of bonding jumper 1.
Compared with prior art, antenna structure of the invention is all made up of metal, is swashed using the microstrip line of air dielectric
The half module paster radiating element of cycle arrangement is encouraged, so as to realize end-fire characteristic while keeping low section structure.Due to all-metal
Structure fabrication cost is cheap, and the present invention is highly suitable for using in large-scale production.
Brief description of the drawings
Fig. 1 is the three dimensional structure diagram of the present invention.
Fig. 2 is one embodiment of the present of invention, including the specific size in (a) front and (b) side visual angle.This is specific
Embodiment is applied to the all-metal construction low section end-on-fire antenna for working in 5GHz.
Fig. 3 is the reflectance factor of the Antenna Design under the specific embodiment.
Antenna pattern when Fig. 4 is Antenna Design 5GHz under the specific embodiment in YZ planes.
Embodiment
Describe embodiments of the present invention in detail with reference to the accompanying drawings and examples.
A kind of low section end-on-fire antenna of all-metal construction of the present invention.It has simple in construction, low section and manufacturing cost
The characteristics of low.Illustrated according to design, give a specific embodiment for being applied to 5GHz all-metal low section end-on-fire antenna, under
Face is explained with reference to accompanying drawing：
Refering to Fig. 1, the end-on-fire antenna includes bonding jumper 1.Bonding jumper 1 is parallel with metal floor 5, forms the micro- of air dielectric
Band line.Along the length direction of bonding jumper 1, the half module paster radiating element for thering is the cycle to arrange in its both sides.Half module paster radiating element
It is made up of sheet metal 1, sheet metal 23 and metallic walls 4.Bonding jumper 1, sheet metal 1, sheet metal 23 are generally aligned in the same plane,
Sheet metal 23 connects bonding jumper 1 and sheet metal 1, the feed structure as half module paster.Metallic walls 4 connect sheet metal 1 with
Metal floor 5 and metallic walls 4 are vertical with the length direction of bonding jumper 1, form Short boundary condition and simultaneously play support antenna structure
Effect.
In the design, the Z-direction length of sheet metal 1 determines the working frequency of antenna；The height of antenna determines each
The radiation intensity of half module paster radiating element.
Fig. 2 gives the specific embodiment for the all-metal construction low section end-on-fire antenna for working in 5GHz.Wherein Fig. 2 (a)
Give the detailed dimensions of each structure of antenna face.Micro belt line width is 5 millimeters, and length is 360 millimeters；The Z of sheet metal 1
It it is 13.5 millimeters to length, Y-direction length is 8 millimeters；The arrangement cycle of half module paster radiating element is 15 millimeters；Sheet metal 23
Size be 1 millimeter of the length of side square.The height that Fig. 2 (b) gives antenna is 1.1 millimeters.
Provided using the S parameter of the embodiment of the parameter designing by Fig. 3, it can be seen that at 5GHz, the reflection system of antenna
Number S11Better than -15dB, transmission coefficient S21Better than -7dB, engineer applied can be met.
Antenna pattern of the embodiment of Fig. 4 parameter designings in YZ faces, it can be seen that at centre frequency 5GHz,
In YZ faces comprising maximum end-on direction, end-fire gain is 11.7dBi.It can be seen that the antenna has good end-fire characteristic and gain
Index, it is highly suitable for the application of inexpensive low section end-on-fire antenna.
In summary, the invention provides a kind of design of the low section end-on-fire antenna of all-metal construction.The antenna is by feeding
Microstrip line, half module paster radiating element, metal floor are formed, and can apply in height-limited scene.Because the antenna is
Designed by all-metal construction, therefore its manufacturing cost is cheap, design structure simple and flexible, is especially suitable for mass producing.
Claims (7)
- A kind of 1. low section end-on-fire antenna of all-metal construction, it is characterised in that including：Bonding jumper (1), microstrip-fed circuit is formed with metal floor (5)；The half module paster radiating element arranged along bonding jumper (1) cycle, each unit is by parallel with metal floor (5) and be located at it The sheet metal one (2) of top, the sheet metal two (3) for connecting bonding jumper (1) and sheet metal one (2) and for being connected metal The metallic walls (4) perpendicular to metal floor (5) of piece one (2) and metal floor (5) are formed；When Antenna Operation, the microstrip-fed each half module paster radiating element (2) of circuit activation, end-fire characteristic is realized.
- 2. the low section end-on-fire antenna of all-metal construction according to claim 1, it is characterised in that the bonding jumper (1) with The microstrip-fed circuit and the half module paster radiating element of cycle arrangement that metal floor (5) is formed are used as Jie by the use of by the use of air Matter.
- 3. the low section end-on-fire antenna of all-metal construction according to claim 1, it is characterised in that bonding jumper (1) position Above metal floor (5), it is parallel to each other；The bonding jumper (1) is with sheet metal one (2), sheet metal two (3) positioned at same flat Face.
- 4. the low section end-on-fire antenna of all-metal construction according to claim 1, it is characterised in that the metallic walls (4) are hung down Directly in the length direction of bonding jumper (1), and metallic walls (4) do not connect with sheet metal two (3).
- 5. the low section end-on-fire antenna of all-metal construction according to claim 1, it is characterised in that the half module paster radiation A quarter wavelength of the cycle of unit arrangement with electromagnetic wave in free space is suitable.
- 6. the low section end-on-fire antenna of all-metal construction according to claim 1, it is characterised in that the sheet metal one (2) Z-direction length determine the working frequency of antenna；The height of antenna determines the radiation intensity of each half module paster radiating element, Z-direction refers to the length direction of bonding jumper (1).
- 7. the low section end-on-fire antenna of all-metal construction according to claim 1, it is characterised in that the work frequency of the antenna Rate is 5GHz, and the width of bonding jumper (1) is 5 millimeters, and length is 360 millimeters；The Z-direction length of sheet metal one (2) is 13.5 millimeters, Y-direction length is 8 millimeters；The arrangement cycle of half module paster radiating element is 15 millimeters；The size of sheet metal two (3) is the milli of the length of side 1 The square of rice, the height of antenna are that the height of metallic walls (4) is 1.1 millimeters, wherein, Z-direction refers to the length of bonding jumper (1) Direction, Y-direction refer to the width of bonding jumper (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453952.2A CN107369920B (en) | 2017-06-15 | 2017-06-15 | Low-profile end-fire antenna with all-metal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453952.2A CN107369920B (en) | 2017-06-15 | 2017-06-15 | Low-profile end-fire antenna with all-metal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107369920A true CN107369920A (en) | 2017-11-21 |
| CN107369920B CN107369920B (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710453952.2A Active CN107369920B (en) | 2017-06-15 | 2017-06-15 | Low-profile end-fire antenna with all-metal structure |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593588A (en) * | 2011-11-21 | 2012-07-18 | 中国科学院合肥物质科学研究院 | Scanning end-fire array antenna based on boundary scan test (BST) film phase shifter |
| CN205376776U (en) * | 2015-12-04 | 2016-07-06 | 南京濠暻通讯科技有限公司 | Low section GSM, LTE coplane directional aerial |
| CN105932416A (en) * | 2016-06-07 | 2016-09-07 | 电子科技大学 | Ultra-wideband conformal end-fire antenna based on log periodic seam |
| CN106450726A (en) * | 2016-10-14 | 2017-02-22 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Broadband slotted end-fire microstrip antenna |
-
2017
- 2017-06-15 CN CN201710453952.2A patent/CN107369920B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593588A (en) * | 2011-11-21 | 2012-07-18 | 中国科学院合肥物质科学研究院 | Scanning end-fire array antenna based on boundary scan test (BST) film phase shifter |
| CN205376776U (en) * | 2015-12-04 | 2016-07-06 | 南京濠暻通讯科技有限公司 | Low section GSM, LTE coplane directional aerial |
| CN105932416A (en) * | 2016-06-07 | 2016-09-07 | 电子科技大学 | Ultra-wideband conformal end-fire antenna based on log periodic seam |
| CN106450726A (en) * | 2016-10-14 | 2017-02-22 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Broadband slotted end-fire microstrip antenna |
Non-Patent Citations (2)
| Title |
|---|
| 《IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS》，: "Analysis of a Microstrip Leaky-Wave Antenna Loaded with Shorted Stubs", 《IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS》 * |
| LE CHANG等: "All-Metal Antenna Array Based on Microstrip Line Structure", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
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| Publication number | Publication date |
|---|---|
| CN107369920B (en) | 2020-05-22 |
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