CN101728649A - MMDS high-gain waveguide slot half-direction antenna - Google Patents
MMDS high-gain waveguide slot half-direction antenna Download PDFInfo
- Publication number
- CN101728649A CN101728649A CN200810171994A CN200810171994A CN101728649A CN 101728649 A CN101728649 A CN 101728649A CN 200810171994 A CN200810171994 A CN 200810171994A CN 200810171994 A CN200810171994 A CN 200810171994A CN 101728649 A CN101728649 A CN 101728649A
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- waveguide
- mounting flange
- mmds
- direction antenna
- waveguide slot
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Abstract
The invention belongs to a waveguide slot half-direction antenna in the technical fields of electron, communication and automatic control, in particular to an MMDS high-gain waveguide slot half-direction antenna for realizing microwave directional radiation by adopting a rectangular waveguide slot unit array method. The MMDS high-gain waveguide slot half-direction antenna has the structure that an antenna housing is clamped between a lower mounting flange and an upper mounting flange; a waveguide pipe fixing flange is arranged at the inside of the lower mounting flange; both ends of a waveguide pipe are fixedly connected to the waveguide pipe fixing flange and the upper mounting flange respectively; the waveguide pipe is provided with a waveguide slot; one end of a feed cable is provided with a feed joint, and the feed joint is installed on the lower mounting flange; the other end of the feed cable is provided with a cable mounting joint, and the cable mounting joint is fixed on the waveguide pipe; both ends of the waveguide pipe are respectively provided with a short circuit plate, and the short circuit plates can be adjusted back and forth. The invention has high gain, large power capacity, stable and reliable performance, good lightning stroke resistance and high cost-performance ratio.
Description
Technical field
The invention belongs to the waveguide slot half-direction antenna in electronics, communication and the automatic control technology field, particularly a kind of MMDS high-gain waveguide slot half-direction antenna that adopts rectangular waveguide slot element group battle array method to realize the microwave directed radiation.
Background technology
Development along with microwave technology, flourishing gesture also appears in civilian microwave product, particularly with fastest developing speed in the communications industry, wherein waveguide slot half-direction antenna is the visual plant that is used for transmission signals in the communications industry, and the high-gain half-direction antenna is meant that the orientation covers 180 degree, gains greater than the half-direction antenna of 10dB.Existing waveguide slot half-direction antenna adopts vertical array of oscillator unit to realize that it has following deficiency mostly:
1. the antenna own loss is big, and high-gain is difficult to be realized;
2. anti-thunderbolt poor performance;
3. can not import high-power.
Summary of the invention
The objective of the invention is invent a kind of MMDS high-gain waveguide slot half-direction antenna that adopts rectangular waveguide slot element group battle array method realization microwave directed radiation in order to overcome big, the anti-thunderbolt poor performance of existing waveguide slot half-direction antenna own loss, defective that power is little.
The objective of the invention is to realize as follows: described MMDS high-gain waveguide slot half-direction antenna, by waveguide, feeder cable, radome, short board, following mounting flange, feed connection, lightning rod, the cable erection joint, waveguide mounting flange and last mounting flange are formed, radome is located in down between mounting flange and the last mounting flange, following mounting flange inboard is provided with the waveguide mounting flange, the two ends of waveguide are fixed in respectively on waveguide mounting flange and the last mounting flange, waveguide is provided with Waveguide slot, one end of feeder cable is provided with feed connection, feed connection is installed in down on the mounting flange, the other end of feeder cable is provided with the cable erection joint, and the cable erection joint is fixed on the waveguide; The two ends of waveguide are respectively equipped with a short board, and short board can be regulated front and back.
The described mounting flange of going up is provided with lightning rod, and lightning rod is connected with following mounting flange with waveguide by lead.
Bonding between described radome and following mounting flange and the last mounting flange by fluid sealant.
Described Waveguide slot is waveguide broadside slit, and this slit axially parallels with waveguide.
Described Waveguide slot is an inclined slot on the narrow wall, this slit and waveguide axially perpendicular.
Good effect of the present invention is as follows:
1. the present invention's height that gains;
2. power capacity is big, stable and reliable for performance;
3. anti-thunderbolt superior performance;
4. cost performance height.
Description of drawings
Fig. 1 is a structure chart of the present invention
Fig. 2 is horizontal polarization waveguide slit
Fig. 3 is perpendicular polarization waveguide slit
Among the figure:
1 waveguide, 2 feeder cables, 3 radomes
5 times mounting flange 6 feed connection of 4 short boards
7 lightning rods, 8 cables are installed and are connect 9 waveguide mounting flanges
Embodiment
As shown in Figure 1, described MMDS high-gain waveguide slot half-direction antenna, by waveguide 1, feeder cable 2, radome 3, short board 4, following mounting flange 5, feed connection 6, lightning rod 7, cable erection joint 8, waveguide mounting flange 9 and last mounting flange 10 are formed, radome 3 is located in down between mounting flange 5 and the last mounting flange 10, following mounting flange 5 inboards are provided with waveguide mounting flange 9, the two ends of waveguide 1 are fixed in respectively on waveguide mounting flange 9 and the last mounting flange 10, waveguide 1 is provided with Waveguide slot 11, one end of feeder cable 2 is provided with feed connection 6, feed connection 6 is installed in down on the mounting flange 5, the other end of feeder cable 2 is provided with cable erection joint 8, and cable erection joint 8 is fixed on the waveguide 1; The two ends of waveguide 1 are respectively equipped with a short board 4, and short board 4 can be regulated front and back.
The described mounting flange 10 of going up is provided with lightning rod 7, and is connected with following mounting flange 5 with waveguide 1 by lead.
Bonding between described radome 3 and following mounting flange 5 and the last mounting flange 10 by fluid sealant.
Described Waveguide slot 10 is waveguide broadside slit, this slit and waveguide 1 axially parallel (see figure 2).
Described Waveguide slot 10 is an inclined slot on the narrow wall, the axial perpendicular (see figure 3) of this slit and waveguide 1.
Employing rectangular waveguide slot element group battle array method of the present invention realizes the microwave directed radiation, and half adopts waveguide broadside slit to array element during in horizontal polarization, adopts inclined slot on the narrow wall during perpendicular polarization, can realize the MMDS half-direction antenna of 10-18dB high-gain.Through the actual use of hundreds of slave antennas, prove that this scheme antenna has characteristics such as gain is high, power capacity is big, stable and reliable for performance, anti-thunderbolt excellent.
When microwave signal is imported from feed connection 6 ends, by feeder cable 2 feed-in waveguides 1, can be by the Waveguide slot on the waveguide 1 11 to space width of cloth radio magnetic energy.
Lightning rod 7 and by lead and waveguide 1 with after following mounting flange 5 is connected, import underground by iron tower is installed again.
Claims (5)
1. MMDS high-gain waveguide slot half-direction antenna, it is characterized in that: described MMDS high-gain waveguide slot half-direction antenna, by waveguide, feeder cable, radome, short board, following mounting flange, feed connection, lightning rod, the cable erection joint, waveguide mounting flange and last mounting flange are formed, radome is located in down between mounting flange and the last mounting flange, following mounting flange inboard is provided with the waveguide mounting flange, the two ends of waveguide are fixed in respectively on waveguide mounting flange and the last mounting flange, waveguide is provided with Waveguide slot, one end of feeder cable is provided with feed connection, feed connection is installed in down on the mounting flange, the other end of feeder cable is provided with the cable erection joint, and the cable erection joint is fixed on the waveguide; The two ends of waveguide are respectively equipped with a short board, and short board can be regulated front and back.
2. MMDS high-gain waveguide slot half-direction antenna according to claim 1 is characterized in that: the described mounting flange of going up is provided with lightning rod, and lightning rod is connected with following mounting flange with waveguide by lead.
3. MMDS high-gain waveguide slot half-direction antenna according to claim 1 is characterized in that: bonding by fluid sealant between described radome and following mounting flange and the last mounting flange.
4. MMDS high-gain waveguide slot half-direction antenna according to claim 1 is characterized in that: described Waveguide slot is waveguide broadside slit, and this slit axially parallels with waveguide.
5. MMDS high-gain waveguide slot half-direction antenna according to claim 1 is characterized in that: described Waveguide slot is an inclined slot on the narrow wall, this slit and waveguide axially perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810171994A CN101728649A (en) | 2008-10-28 | 2008-10-28 | MMDS high-gain waveguide slot half-direction antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810171994A CN101728649A (en) | 2008-10-28 | 2008-10-28 | MMDS high-gain waveguide slot half-direction antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101728649A true CN101728649A (en) | 2010-06-09 |
Family
ID=42449146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810171994A Pending CN101728649A (en) | 2008-10-28 | 2008-10-28 | MMDS high-gain waveguide slot half-direction antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101728649A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509849A (en) * | 2011-12-01 | 2012-06-20 | 武汉滨湖电子有限责任公司 | Fixing structure for miniature phased-array radar antenna |
| CN102709700A (en) * | 2010-09-10 | 2012-10-03 | 中电科微波通信(上海)有限公司 | Crack waveguide antenna and manufacturing method thereof |
| CN111641031A (en) * | 2020-06-11 | 2020-09-08 | 陕西烽火诺信科技有限公司 | High-power wide-beam circularly polarized antenna with lightning protection function |
-
2008
- 2008-10-28 CN CN200810171994A patent/CN101728649A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709700A (en) * | 2010-09-10 | 2012-10-03 | 中电科微波通信(上海)有限公司 | Crack waveguide antenna and manufacturing method thereof |
| CN102709700B (en) * | 2010-09-10 | 2015-03-25 | 中电科微波通信(上海)有限公司 | Crack waveguide antenna and manufacturing method thereof |
| CN102509849A (en) * | 2011-12-01 | 2012-06-20 | 武汉滨湖电子有限责任公司 | Fixing structure for miniature phased-array radar antenna |
| CN111641031A (en) * | 2020-06-11 | 2020-09-08 | 陕西烽火诺信科技有限公司 | High-power wide-beam circularly polarized antenna with lightning protection function |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100609 |