CN204243205U - A kind of 3mm millimeter wave antenna - Google Patents
A kind of 3mm millimeter wave antenna Download PDFInfo
- Publication number
- CN204243205U CN204243205U CN201420785783.4U CN201420785783U CN204243205U CN 204243205 U CN204243205 U CN 204243205U CN 201420785783 U CN201420785783 U CN 201420785783U CN 204243205 U CN204243205 U CN 204243205U
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- China
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- millimeter wave
- millimeters
- wave antenna
- ring flange
- rectangular
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Abstract
The utility model discloses a kind of 3mm millimeter wave antenna, it is characterized in that, comprise millimeter wave rectangular-circle transition waceguide and conical horn, described millimeter wave rectangular-circle transition waceguide is provided with ring flange, described ring flange is provided with the pin-and-hole of locating with external metal waveguide and the screwed hole be fixedly connected with; 3mm millimeter wave antenna inner cavity taper scope described in the utility model is 1: 2 ~ 1: 2.5, because inner cavity taper is little, volume is little, has good directional properties and the high advantage of gain; The size of described 3mm millimeter wave antenna and precision are easy to realize, thus reduce processing cost.
Description
Technical field
The utility model relates to horn antenna, particularly relates to a kind of 3mm millimeter wave antenna.
Background technology
Because millimeter-wave technology is widely applied in electronic countermeasures field and develops rapidly, and 3mm millimeter wave antenna also widely should in radio frequency simulation darkroom, but the required precision of current 3mm millimeter wave antenna device fabrication is higher, be not easy to realize, therefore need to design a kind of 3mm millimeter wave antenna.
Utility model content
Technical problem to be solved in the utility model is to provide that a kind of inner cavity taper is little, volume is little, gain is high, the 3mm millimeter wave antenna of excellent electrical property.
For solving the problems of the technologies described above, the utility model is by the following technical solutions: a kind of 3mm millimeter wave antenna, it is characterized in that, comprise millimeter wave rectangular-circle transition waceguide and conical horn, described millimeter wave rectangular-circle transition waceguide is provided with ring flange, described ring flange is provided with the pin-and-hole of locating with external metal waveguide and the screwed hole be fixedly connected with, described conical horn has conical cavity, described inner cavity taper scope is 1:2 ~ 1:2.5, described inner chamber roughness can reach 1.6, because inner cavity taper is little, volume is little, therefore there is good directional properties and the high advantage of gain.
Described millimeter wave rectangular-circle transition waceguide is provided with rectangular opening, and described rectangular opening is of a size of 1.27 millimeters × 2.54 millimeters, is the standard size of BJ900 rectangular waveguide actinal surface.
Described millimeter wave rectangular-circle transition waceguide is provided with circular hole, and the diameter of described circular hole is 2.388 millimeters, is the standard size of BY890 circular waveguide actinal surface.
The length of described millimeter wave rectangular-circle transition waceguide is 6 ~ 7 millimeters.
Described conical horn actinal surface diameter is 15 millimeters.
Described ring flange diameter is 19.1 millimeters, for FUPG900 standard flange, the thickness of described ring flange is 3.3mm, and the bottom of described ring flange is provided with dome, the distance of the bottom of described dome distance ring flange is 0.76 millimeter, and described convex diameter of a circle is 9.5 millimeters.
Distance bottom described bell mouth surface to ring flange is 33 ~ 35 millimeters, and the size of described 3mm millimeter wave antenna and precision are easy to realize, thus reduce processing cost.
Described 3mm millimeter wave antenna surface is all gold-plated.
The beneficial effect that the utility model reaches: 3mm millimeter wave antenna inner cavity taper scope described in the utility model is 1:2 ~ 1:2.5, and inner cavity taper is little, volume is little, has good directional properties and the high advantage of gain; Described 3mm millimeter wave antenna voltage standing wave ratio is less than 1.2, and frequency bandwidth covers 75 ~ 110GHz, and gain is greater than 20dB; The size of described 3mm millimeter wave antenna and precision are easy to realize, thus reduce processing cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is cross-sectional view of the present utility model.
Fig. 3 is flange plate structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection range of the present utility model with this.
As shown in Figure 1 to Figure 3, a kind of 3mm millimeter wave antenna, it is characterized in that, comprise millimeter wave rectangular-circle transition waceguide 2 and conical horn 1, described millimeter wave rectangular-circle transition waceguide 2 is provided with ring flange 3, described ring flange 3 is provided with the pin-and-hole 5 of locating with external metal waveguide and the screwed hole 4 be fixedly connected with, described conical horn 1 has conical cavity, described inner cavity taper scope is 1:2 ~ 1:2.5, described millimeter wave rectangular-circle transition waceguide 2 length K is 6 ~ 7 millimeters, described millimeter wave rectangular-circle transition waceguide 2 is provided with rectangular opening, size G × the J of described rectangular opening is 1.27 millimeters × 2.54 millimeters, for the standard size of BJ900 rectangular waveguide actinal surface, described millimeter wave rectangular-circle transition waceguide 2 is provided with circular hole, and the diameter E of described circular hole is 2.388 millimeters, is the standard size of BY890 circular waveguide actinal surface, described conical horn actinal surface diameter A is 15 millimeters, the diameter C of described ring flange is 19.1 millimeters, described ring flange is FUPG900 standard flange, its thickness B is 3.3mm, the bottom of described ring flange is provided with dome, the distance F of the bottom of described dome distance ring flange is 0.76 millimeter, and described convex diameter of a circle D is 9.5 millimeters, distance H bottom described bell mouth surface to ring flange is 33 ~ 35 millimeters, and described 3mm millimeter wave antenna surface is all gold-plated.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and distortion, these improve and distortion also should be considered as protection range of the present utility model.
Claims (7)
1. a 3mm millimeter wave antenna, it is characterized in that, comprise millimeter wave rectangular-circle transition waceguide and conical horn, described millimeter wave rectangular-circle transition waceguide is provided with ring flange, described ring flange is provided with the pin-and-hole of locating with external metal waveguide and the screwed hole be fixedly connected with, described conical horn has conical cavity, and described inner cavity taper scope is 1:2 ~ 1:2.5.
2. a kind of 3mm millimeter wave antenna according to claim 1, it is characterized in that, described millimeter wave rectangular-circle transition waceguide length is 6 ~ 7 millimeters, the rectangular opening of described square-circle transition waceguide is of a size of 1.27 millimeters × 2.54 millimeters, and the Circularhole diameter of described square-circle transition waceguide is 2.388 millimeters.
3. a kind of 3mm millimeter wave antenna according to claim 1, is characterized in that, described conical horn actinal surface diameter is 15 millimeters.
4. a kind of 3mm millimeter wave antenna according to claim 1, is characterized in that, described ring flange diameter is 19.1 millimeters.
5. a kind of 3mm millimeter wave antenna according to claim 1, it is characterized in that, the bottom of described ring flange is provided with dome, and the distance of the bottom of described dome distance ring flange is 0.76 millimeter, and described convex diameter of a circle is 9.5 millimeters.
6. a kind of 3mm millimeter wave antenna according to claim 1, is characterized in that, the distance bottom described bell mouth surface to ring flange is 33 ~ 35 millimeters.
7. a kind of 3mm millimeter wave antenna according to the arbitrary claim of claim 1-6, is characterized in that, surface gold-plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420785783.4U CN204243205U (en) | 2014-12-12 | 2014-12-12 | A kind of 3mm millimeter wave antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420785783.4U CN204243205U (en) | 2014-12-12 | 2014-12-12 | A kind of 3mm millimeter wave antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204243205U true CN204243205U (en) | 2015-04-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420785783.4U Active CN204243205U (en) | 2014-12-12 | 2014-12-12 | A kind of 3mm millimeter wave antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204243205U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963416A (en) * | 2018-07-24 | 2018-12-07 | 成都菲斯洛克电子技术有限公司 | Circular waveguide antenna array structure in millimeter wave safety check instrument |
| CN109616771A (en) * | 2019-01-29 | 2019-04-12 | 南京信息工程大学 | A kind of millimeter wave broadband low sidelobe electromagnetic horn |
-
2014
- 2014-12-12 CN CN201420785783.4U patent/CN204243205U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963416A (en) * | 2018-07-24 | 2018-12-07 | 成都菲斯洛克电子技术有限公司 | Circular waveguide antenna array structure in millimeter wave safety check instrument |
| CN109616771A (en) * | 2019-01-29 | 2019-04-12 | 南京信息工程大学 | A kind of millimeter wave broadband low sidelobe electromagnetic horn |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |