CN206922020U - One kind miniaturization wideband electromagnetic horn - Google Patents
One kind miniaturization wideband electromagnetic horn Download PDFInfo
- Publication number
- CN206922020U CN206922020U CN201720624784.4U CN201720624784U CN206922020U CN 206922020 U CN206922020 U CN 206922020U CN 201720624784 U CN201720624784 U CN 201720624784U CN 206922020 U CN206922020 U CN 206922020U
- Authority
- CN
- China
- Prior art keywords
- opening
- waveguide
- wave guide
- electromagnetic horn
- wideband electromagnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Waveguide Aerials (AREA)
Abstract
The utility model discloses one kind to minimize wideband electromagnetic horn, it is related to electronic communication field, the device includes first wave guide, second waveguide and folded metal band, first wave guide is the horn-like structure that both ends are open, the opening at the first wave guide both ends is respectively the first opening and the second opening, and the aperture area of first opening is more than the aperture area of the described second opening;Second waveguide is the cube structure of uncovered, and first wave guide described in the opening face of the second waveguide is simultaneously mounted on the second opening of the first wave guide, multiple fine cracks in grid-like arrangement are offered in the second waveguide;Folded metal band is located at the medial surface of the first wave guide, and is laid along the second opening to the first opening direction of the first wave guide.The utility model can effectively reduce the weight of antenna.
Description
Technical field
It the utility model is related to electronic communication field, and in particular to one kind miniaturization wideband electromagnetic horn.
Background technology
Electromagnetic horn is the antenna that a kind of horn-like wave band become larger by one section of smooth waveguide and one section of section forms,
The figure secondary lobe in such a aerial radiation direction is few, thus is widely used in various electronic signal detection and signal positioning transceiving systems,
And electromagnetic horn also has many advantages, such as simple in construction, debugging is convenient, power capacity is big, electromagnetic horn is simple metal material,
There is higher power capacity compared to other antennas such as PCB (Printed Circuit Board, printed circuit board) antennas,
Easily it is applied to powerful signal detection system.
Because the transmitting-receiving performance of antenna is directly proportional to the size of antenna, to ensure the transmitting-receiving performance requirement of antenna, cause mesh
The shortcomings that preceding electromagnetic horn generally existing is oversized, and because electromagnetic horn is made using simple metal material more, cause loudspeaker
It is excessive weight to be present in antenna, the problem of mobile inconvenient be present.
Utility model content
For defect present in prior art, the purpose of this utility model is to provide a kind of miniaturization wideband loudspeaker day
Line, effectively reduce the weight of antenna.
To achieve the above objectives, the utility model adopts the technical scheme that, including:
First wave guide, it is the horn-like structure that both ends are open, and the opening at the first wave guide both ends is respectively first
Opening and the second opening, and the aperture area of first opening is more than the aperture area of the described second opening;
Second waveguide, it is the cube structure of uncovered, first wave guide and group described in the opening face of the second waveguide
Located at the second opening of the first wave guide, multiple fine cracks in grid-like arrangement are offered in the second waveguide;
Folded metal band, it is located at the medial surface of the first wave guide, and along the second opening of the first wave guide to the
One opening direction is laid.
On the basis of above-mentioned technical proposal, the first wave guide includes 4 sides.
On the basis of above-mentioned technical proposal, the opening shape of the second waveguide and the shape of the described second opening are mutually fitted
Match somebody with somebody.
On the basis of above-mentioned technical proposal, the folded metal band is 2, and 2 folded metal bands are respectively positioned at described
On two relative medial surfaces of first wave guide.
On the basis of above-mentioned technical proposal, the top of the folded metal band is provided with the metal ridge band of a bending, institute
The end point of metal ridge band is stated close to the bottom of the second waveguide, other end point is fixed on the first opening of the first wave guide
Place.
On the basis of above-mentioned technical proposal, the opening direction of fine crack is perpendicular to metal ridge band in the second waveguide.
On the basis of above-mentioned technical proposal, the bottom of the second waveguide is additionally provided with coaxial feed probe, described coaxial
Feed probes are connected with the metal ridge band.
On the basis of above-mentioned technical proposal, the bottom of the second waveguide is additionally provided with coaxial feed ground devices, described
Coaxial feed ground devices are connected with the second waveguide.
Compared with prior art, the utility model has the advantage of:It is multiple in lattice-shaped row by being excavated in second waveguide
The fine crack of row, mitigate the weight of second waveguide, and then mitigate the weight of whole electromagnetic horn.Meanwhile by the inside of first wave guide
The mode of folded metal band is set on face, increases the active path that flows through of first wave guide surface current, equivalent to adding antenna
Effective electrical length, improve the signal transmitting and receiving performance of antenna, i.e., while ensureing that antenna has higher transmitting-receiving performance, and nothing
The size of antenna, i.e. other electromagnetic horns compared to equal performance need to be increased, electromagnetic horn of the present utility model has smaller
Size, while size is reduced, the also less weight of antenna, be easy to the installation of antenna to carry movement.
Brief description of the drawings
Fig. 1 is a kind of structural representation for minimizing wideband electromagnetic horn of the utility model.
In figure:1- first wave guides, 2- second waveguides, 3- first are open, and 4- second is open, 5- fine cracks, 6- folded metal bands,
7- coaxial feed probes, 8- coaxial feed ground devices, 9- metal ridge bands.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Shown in Figure 1, the utility model provides a kind of miniaturization wideband electromagnetic horn, and the electromagnetic horn is applied to electromagnetism
The positioning transceiving of signal, the electromagnetic horn include first wave guide 1, second waveguide 2 and folded metal band 6, first wave guide 1, second
Waveguide 2 and folded metal band 6 are formed using metal aluminum sheet cutting processing, and conductive anti-oxidation processing is done on surface.
First wave guide 1 is the horn-like structure that both ends are open, and the opening at the both ends of first wave guide 1 is respectively the first opening 3
With the second opening 4, the aperture area of the first opening 3 is more than the aperture area of the described second opening 4, i.e., along the second opening 4 to the
One 3 directions of opening, the internal diameter of first wave guide 1 become larger.
Second waveguide 2 is the cube structure of uncovered, i.e. second waveguide 2 is the rectangular structure provided with opening, the second ripple
At the opening face first wave guide 1 for leading 2 and the second opening 4 for being mounted on first wave guide 1, specifically, first wave guide 1 includes 4
Side, the opening shape of second waveguide 2 are adapted with the shape of the second opening 4.The back ground connection of second waveguide 2.Second waveguide 2
On offer multiple fine cracks 5 in grid-like arrangement, the width of fine crack 5 is 5mm, by second waveguide 2 excavate slot apertures, so as to
Mitigate the weight of second waveguide 2, and then mitigate the weight of whole electromagnetic horn.The opening of adjacent two lattice-shaped in second waveguide 2
Be smaller than electromagnetic horn work upper limiting frequency corresponding wavelength size 1/10th, so as to ensure to compare index before and after antenna
Parameter.
Folded metal band 6 is located at the medial surface of first wave guide 1, and along the opening 3 of the second opening 4 to the first of first wave guide 1
Direction is laid, and the spacing between height of projection and two projections that folded metal band 6 is formed after folding can be derived by logarithmic function
After draw and determine, it is preferred that folded metal band 6 is 2,2 folded metal bands 6 respectively positioned at first wave guide 1 it is relative two
On medial surface.By the folded metal band 6 set on the medial surface of first wave guide 1, so as to increase the surface current stream of first wave guide 1
The active path of warp, equivalent to the effective electrical length for adding antenna, the signal transmitting and receiving performance of antenna is improved, that is, is ensureing antenna
While with higher transmitting-receiving performance, without increasing the size of antenna, i.e. other electromagnetic horns compared to equal performance,
Electromagnetic horn of the present utility model has smaller size, while size is reduced, the also less weight of antenna, so as to just
Movement is carried in the installation of antenna.
The top of folded metal band 6 is provided with the metal ridge band 9 of a bending, and the end point of metal ridge band 9 is close to the second ripple
2 bottom is led, other end point is fixed at the first opening 3 of first wave guide 1, and accordingly, metal ridge band 9 of the present utility model is
Two, a metal ridge band 9 is equipped with every folded metal band 6.Meanwhile in second waveguide 2 fine crack 5 opening direction perpendicular to
Metal ridge band 9, so as to improve the polarization isolation of antenna.The flexibility of metal ridge band 9 is drawn according to counter push away of index impedance curve
The flexibility of physical curve draw.
The bottom of second waveguide 2 is additionally provided with coaxial feed probe 7, and coaxial feed probe 7 is connected with metal ridge band 9, coaxially
Open circuit is also arranged with feed probes 7 and hollows out cylinder.The bottom of second waveguide 2 is additionally provided with coaxial feed ground devices 8, coaxial feed
Electrically grounded device 8 is connected with second waveguide 2.Coaxial feed probe 7 is connected with metal ridge band 9, completes current feed, coaxial feed
Ground devices 8 are connected with second waveguide 2, form earth current loop.
The size of electromagnetic horn of the present utility model is:The floor height of second waveguide 2 is 28mm, the depth of second waveguide 2
Spend for 40mm, the length of first wave guide 1 is 210mm, and the A/F of the first opening 3 of first wave guide 1 is 120mm, metal ridge
Vertical drop with 9 two-end-points is 12.5mm, end points and second waveguide 2 bottom of the metal ridge band 9 close to the bottom of second waveguide 2
Spacing be 8mm, the spacing of two metal ridge bands 9 two-end-point at the bottom of second waveguide 2 is 6mm, and the height of second waveguide 2 is
30mm, the height of the first opening 3 of first wave guide 1 is 190mm.
Designed according to dimensions above, electromagnetic horn of the present utility model is tested in microwave dark room, and test result is as follows:
1. in 0.8GHz~6GHz frequency ranges, port standing-wave ratio < 2.
2. antenna full frequency band gain G T.GT.GT 6dBi, as frequency range raises, antenna gain becomes larger, and reaches maximum in 5.9GHz
Value 12.4dBi.
3. antenna full frequency band is front and rear to be more than 28dB than > 25dB, polarization isolation.
Meanwhile with typically compared with the electromagnetic horn of frequency range, electromagnetic horn polarization isolation lifting of the present utility model is about
3dB, size are reduced by about 8%, and overall weight mitigates about 20%.
Electromagnetic horn of the present utility model, by excavating multiple fine cracks 5 in grid-like arrangement in second waveguide 2, mitigate
The weight of second waveguide 2, and then mitigate the weight of whole electromagnetic horn.Meanwhile rolled over by being set on the medial surface of first wave guide 1
The mode of folded metal tape 6, the active path that the surface current of first wave guide 1 flows through is increased, equivalent to the effective electricity for adding antenna
Length, the signal transmitting and receiving performance of antenna is improved, i.e., while ensureing that antenna has higher transmitting-receiving performance, without increasing day
The size of line, i.e. other electromagnetic horns compared to equal performance, electromagnetic horn of the present utility model have smaller size,
While reducing size, the also less weight of antenna, it is easy to the installation of antenna to carry movement.
The utility model is not only limited to above-mentioned preferred forms, and anyone can obtain under enlightenment of the present utility model
Go out other various forms of products, however, make any change in its shape or structure, it is every to have and the utility model phase
Same or close technical scheme, within its protection domain.
Claims (8)
1. one kind miniaturization wideband electromagnetic horn, it is characterised in that including:
First wave guide (1), it is the horn-like structure that is open of both ends, and the opening at first wave guide (1) both ends is respectively the
One opening (3) and the second opening (4), and the aperture area of first opening (3) is more than the opening surface of the described second opening (4)
Product;
Second waveguide (2), it is the cube structure of uncovered, first wave guide (1) described in the opening face of the second waveguide (2)
And second opening (4) place of the first wave guide (1) is mounted on, offered on the second waveguide (2) multiple in lattice-shaped row
The fine crack (5) of row;
Folded metal band (6), it is located at the medial surface of the first wave guide (1), and second along the first wave guide (1) is open
(4) to first opening (3) direction laying.
A kind of 2. miniaturization wideband electromagnetic horn as claimed in claim 1, it is characterised in that:The first wave guide (1) includes 4
Individual side.
A kind of 3. miniaturization wideband electromagnetic horn as claimed in claim 2, it is characterised in that:Second waveguide (2) are opened
Mouth-shaped is adapted with the shape of the described second opening (4).
A kind of 4. miniaturization wideband electromagnetic horn as claimed in claim 2, it is characterised in that:The folded metal band (6) is 2
Bar, 2 folded metal bands (6) are respectively on two relative medial surfaces of the first wave guide (1).
A kind of 5. miniaturization wideband electromagnetic horn as claimed in claim 1, it is characterised in that:The folded metal band (6)
Top is provided with the metal ridge band (9) of a bending, and the end point of the metal ridge band (9) is close to the bottom of the second waveguide (2)
Portion, other end point are fixed on first opening (3) place of the first wave guide (1).
A kind of 6. miniaturization wideband electromagnetic horn as claimed in claim 5, it is characterised in that:It is thin on the second waveguide (2)
The opening direction of (5) is stitched perpendicular to metal ridge band (9).
A kind of 7. miniaturization wideband electromagnetic horn as claimed in claim 5, it is characterised in that:The bottom of the second waveguide (2)
Portion is additionally provided with coaxial feed probe (7), and the coaxial feed probe (7) is connected with the metal ridge band (9).
A kind of 8. miniaturization wideband electromagnetic horn as claimed in claim 5, it is characterised in that:The bottom of the second waveguide (2)
Portion is additionally provided with coaxial feed ground devices (8), and the coaxial feed ground devices (8) are connected with the second waveguide (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720624784.4U CN206922020U (en) | 2017-05-31 | 2017-05-31 | One kind miniaturization wideband electromagnetic horn |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720624784.4U CN206922020U (en) | 2017-05-31 | 2017-05-31 | One kind miniaturization wideband electromagnetic horn |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206922020U true CN206922020U (en) | 2018-01-23 |
Family
ID=61314027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720624784.4U Expired - Fee Related CN206922020U (en) | 2017-05-31 | 2017-05-31 | One kind miniaturization wideband electromagnetic horn |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206922020U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110311208A (en) * | 2018-03-27 | 2019-10-08 | 雷迪埃公司 | Wireless telecom equipment, production method and the purposes of electromagnetic horn are integrated in PCB |
CN112886253A (en) * | 2021-02-07 | 2021-06-01 | 北京星英联微波科技有限责任公司 | Compact 5G millimeter wave dual-polarized horn antenna |
CN112886255A (en) * | 2021-02-07 | 2021-06-01 | 北京星英联微波科技有限责任公司 | 5G ultra-wideband small-sized dual-polarized horn antenna |
CN112886254A (en) * | 2021-02-07 | 2021-06-01 | 北京星英联微波科技有限责任公司 | Novel 5G millimeter wave dual-polarized horn antenna |
WO2021114019A1 (en) * | 2019-12-09 | 2021-06-17 | 瑞声声学科技(深圳)有限公司 | Antenna system and electronic device |
-
2017
- 2017-05-31 CN CN201720624784.4U patent/CN206922020U/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110311208A (en) * | 2018-03-27 | 2019-10-08 | 雷迪埃公司 | Wireless telecom equipment, production method and the purposes of electromagnetic horn are integrated in PCB |
CN110311208B (en) * | 2018-03-27 | 2021-07-30 | 雷迪埃公司 | Wireless communication equipment integrating horn antenna on PCB, production method and application |
WO2021114019A1 (en) * | 2019-12-09 | 2021-06-17 | 瑞声声学科技(深圳)有限公司 | Antenna system and electronic device |
CN112886253A (en) * | 2021-02-07 | 2021-06-01 | 北京星英联微波科技有限责任公司 | Compact 5G millimeter wave dual-polarized horn antenna |
CN112886255A (en) * | 2021-02-07 | 2021-06-01 | 北京星英联微波科技有限责任公司 | 5G ultra-wideband small-sized dual-polarized horn antenna |
CN112886254A (en) * | 2021-02-07 | 2021-06-01 | 北京星英联微波科技有限责任公司 | Novel 5G millimeter wave dual-polarized horn antenna |
CN112886254B (en) * | 2021-02-07 | 2021-11-30 | 北京星英联微波科技有限责任公司 | Novel 5G millimeter wave dual-polarized horn antenna |
CN112886253B (en) * | 2021-02-07 | 2021-11-30 | 北京星英联微波科技有限责任公司 | Compact 5G millimeter wave dual-polarized horn antenna |
CN112886255B (en) * | 2021-02-07 | 2021-12-21 | 北京星英联微波科技有限责任公司 | 5G ultra-wideband small-sized dual-polarized horn antenna |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN206922020U (en) | One kind miniaturization wideband electromagnetic horn | |
CN102916247B (en) | Hilbert fractal antenna array for ultra-high-frequencydetection detection of partial discharge | |
CN104993243B (en) | Ultra wide band electromagnetic horn | |
CN104425870B (en) | Wide frequency antenna and wireless communication device with the wide frequency antenna | |
CN102280696A (en) | Half-wave transmission decoupling small-space microstrip array antenna | |
CN110444877B (en) | 5G communication terminal antenna | |
CN101877433B (en) | Multi-frequency antenna and wireless communication device applying same | |
CN104515940B (en) | A kind of uhf sensor for inside switch cabinet partial discharge monitoring | |
CN109494456A (en) | A kind of ultra wide band mimo antenna | |
CN102044753B (en) | Antenna with grounded cross-shaped high-impedance surface metal strips and wireless communication device | |
CN111162381A (en) | Dual-frequency eight-unit MIMO terminal antenna | |
Gong et al. | Compact MIMO antennas using a ring hybrid for WLAN applications | |
CN109167156A (en) | A kind of Bipolarization antenna for base station with trap characteristic | |
CN101364670A (en) | Integrated antenna with identical ground member | |
CN104300202B (en) | Antenna structure and wireless communication device with the antenna structure | |
CN102044752A (en) | Antenna with grounded U-shaped high-impedance surface metal strips and wireless communication device | |
Zhang et al. | Design of an ultrawideband VHF/UHF antenna for partial discharge detection | |
CN105826673B (en) | Ultra wide band tear drop shape dipole antenna | |
CN104022347B (en) | Autocompensation type radar antenna | |
CN204011732U (en) | A kind of triangle patch multifrequency antenna that simultaneously adds short circuit pin and T-shaped fluting | |
CN113131178B (en) | Direction-finding antenna, direction-finding antenna system and electronic equipment | |
CN103840255B (en) | Printing type broadband monopole antenna module | |
CN108879078A (en) | A kind of assembled pulse radiating antenna | |
CN201918509U (en) | Antenna with cross-shaped high-impedance surface metal strips for grounding and wireless communication device thereof | |
CN107994330A (en) | A kind of UHF/VHF broadband planars printed antenna |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Huang Jian Inventor after: Ding Guorong Inventor after: Dai Jun Inventor before: Huang Jian Inventor before: Ding Guorong Inventor before: Dai Jun |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20210531 |