CN104466345B - Antenna, low noise amplifier and frequency mixer connection mechanism - Google Patents
Antenna, low noise amplifier and frequency mixer connection mechanism Download PDFInfo
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- CN104466345B CN104466345B CN201410710494.2A CN201410710494A CN104466345B CN 104466345 B CN104466345 B CN 104466345B CN 201410710494 A CN201410710494 A CN 201410710494A CN 104466345 B CN104466345 B CN 104466345B
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- frequency mixer
- pressing plate
- antenna
- lna
- front baffle
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Abstract
The invention discloses an antenna, low noise amplifier and frequency mixer connection mechanism. The connection mechanism comprises an antenna, a waveguide, a low noise amplifier, a frequency mixer and a supporting system. The antenna, the low noise amplifier and the frequency mixer are sequentially connected through the waveguide. A first front baffle of the supporting system and a second front baffle of the supporting system are fixedly connected together through front baffle supporting beams. The second front baffle is fixedly connected with a connection flange through supporting beams. Pressing plate clamping rings are fixedly arranged on the supporting beams. A clamping groove is radially formed in each pressing plate clamping ring. A frequency mixer pressing plate is clamped in the clamping grooves in the pressing plate clamping rings in a sleeving mode. A frequency mixer supporting plate is fixedly connected with the frequency mixer. One end of the frequency mixer supporting plate and the frequency mixer pressing plate are vertically fixed. Both the first front baffle and the second front baffle are provided with corresponding center holes. A rotating disc penetrates through the center hole of the first front baffle and the center hole of the second front baffle. The antenna is arranged at the front end of the first front baffle. The waveguide penetrates through the rotating disc and is connected with the low noise amplifier. The waveguide penetrates through the frequency mixer pressing plate and is connected with the frequency mixer.
Description
Technical field
The present invention relates to bindiny mechanism's technical field, and in particular to a kind of antenna, LNA and frequency mixer bindiny mechanism.
Background technology
With the research of stealthy, anti-stealth technololgy and the development of satellite technology, advanced capabilities radar antenna, antenna house characteristic are surveyed
Examination and the precision and functional requirement more and more higher of radar target RCS tests.General means of testing includes that far field test, near field are surveyed
Examination, Compact Range test etc., wherein test applied range with Compact Range, and measuring accuracy is high, is increasingly subject to the advantages of easy to use
The attention of people.
By calibrating to Compact Range quiet zone performance, whether the quiet zone performance that can grasp Compact Range test system meets
Test index requires that the uncertainty of measurement that can be introduced for analysis measurement result provides real data, can be to accurate Compact Range
Laboratory evaluation provides help；And by regularly Compact Range performance calibration, Compact Range test system performance can be supervised
Survey, effectively verify the e measurement technology ability of each Compact Range laboratory, can also recognize and find asking for each Compact Range laboratory presence
Topic, such that it is able to take corrective action, provides higher credibility to the client of laboratory, used in ensureing weapon model
The accurate reliability of antenna, antenna house and target RCS test result.
The probe receiver that antenna is calibrated as Compact Range quiet zone performance, which is accurately positioned and affects to a certain extent
The accuracy of calibration.As when frequency is less than 40GHz, signal can be received with vector network analyzer directly, and in 40GHz
When carrying out Compact Range performance detection in～110GHz frequency ranges, the signal frequency that reception antenna is received is very high, reaches as high as
110GHz, and the existing receiver highest receives frequency of system only arrives 40GHz, so need to connect frequency mixer, the high frequency letter for receiving
Number the receivable frequency range of receiver is mixed to, there is no the receiver of high frequency at present, frequency mixer can only be used；Simultaneously as connecing
The electromagnetic wave signal intensity for receiving antenna reception is very weak, it is impossible to reach the signal input power requirement of frequency mixer, it is impossible to make frequency mixer
Optimum Working is reached, so as to need to use LNA, so needing phase to be carried out to the connection of antenna, LNA and frequency mixer
Close design.
There is the experience for carrying out Compact Range performance detection both at home and abroad at present, but due to the use environment and system of each Construction Party
Build it is different, so as to be not quite similar to the connection of antenna, LNA and frequency mixer, and its antenna, LNA and mixed
The bindiny mechanism of frequency device does not possess the function of corner regulation, and this have impact on usability to a certain extent.
Accordingly, it is desirable to provide a kind of antenna, LNA and frequency mixer bindiny mechanism, the mechanism to antenna, LNA and
Mixer-system can also adjust corner while positioning, increase its suitability.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of antenna, LNA and frequency mixer bindiny mechanism, solves big
The connectivity problem of antenna, LNA and frequency mixer in the calibration of type Compact Range quiet zone performance, can be to antenna, LNA, frequency mixer
And Wave guide system is positioned, and the angle of antenna, LNA, frequency mixer and Wave guide system can be adjusted.
For solving above-mentioned technical problem, the present invention adopts following technical proposals：
A kind of antenna, LNA and frequency mixer bindiny mechanism, the bindiny mechanism include antenna, waveguide, LNA, mixing
Device and support system, the antenna, LNA and frequency mixer are sequentially connected by waveguide；
The support system include adpting flange, support beam, frequency mixer supporting plate, frequency mixer pressing plate, pressing plate snap ring, before first
Plate washer, the second front baffle board, front apron support beam and rotating disk, first front baffle board and the second front baffle board pass through front apron support beam
It is fixed together, second front baffle board and adpting flange are fixed together by support beam；
The pressing plate snap ring is packed in support beam, and the pressing plate snap ring is radially provided with draw-in groove, the frequency mixer pressing plate
It is fastened in the draw-in groove of pressing plate snap ring；
The frequency mixer supporting plate is solidly installed with frequency mixer, and one end of the frequency mixer supporting plate is vertical with frequency mixer pressing plate
Fixed, the other end of the frequency mixer supporting plate is provided with the arc matched with adpting flange internal diameter；
First front apron and the second front apron are equipped with corresponding centre bore, and the rotating disk is through the first front apron
The centre bore of centre bore and the second front apron；
The antenna is connected with LNA through rotating disk located at the front end of the first front apron, the waveguide, and the waveguide is worn
Cross frequency mixer pressing plate to be connected with frequency mixer.
Preferably, the draw-in groove of the pressing plate snap ring is with the arc matched with frequency mixer pressing plate external diameter.
Preferably, the support system also includes lock-screw, and the rotating disk is provided with screwed hole, the locking screw oncomelania
It is connected in screwed hole.
Preferably, the support system also includes frequency mixer back-up ring, and the frequency mixer supporting plate passes through screw and frequency mixer keeps off
Circle is vertical with frequency mixer pressing plate affixed.
Preferably, the front portion of the rotating disk is provided with small boss.
Preferably, the material of the rotating disk is politef.
Beneficial effects of the present invention are as follows：
A kind of antenna of the present invention, LNA and frequency mixer bindiny mechanism, can be right as a result of above technical scheme
Antenna, LNA and frequency mixer support positioning, frequency mixer supporting plate to be provided with the arc matched with adpting flange internal diameter, can make to mix
Frequency device supporting plate is rotated along adpting flange inner circle, and the draw-in groove of pressing plate snap ring, can with the arc matched with frequency mixer pressing plate external diameter
So that frequency mixer pressing plate is rotated along the draw-in groove of pressing plate snap ring, so frequency mixer can be relatively rotated relative to adpting flange, with
This adjusts the relative rotation of antenna, LNA and frequency mixer.Rotating disk can turn along the axis of the first front apron and the second front apron
It is dynamic, the contact point between lock-screw and waveguide can be adjusted, the waveguide of different profiles is adapted to.Bindiny mechanism's easy accessibility,
Facility is formed for changing antenna, LNA, frequency mixer and Wave guide system.
Description of the drawings
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described in further detail.
Fig. 1 illustrates a kind of dimensional structure diagram of antenna, LNA and frequency mixer bindiny mechanism of the present invention.
Fig. 2 illustrates a kind of left side structure schematic diagram of antenna, LNA and frequency mixer bindiny mechanism of the present invention.
Fig. 3 illustrates a kind of frequency mixer support board structure schematic diagram of antenna, LNA and frequency mixer bindiny mechanism of the present invention.
Fig. 4 illustrates a kind of turntable structure schematic diagram of antenna, LNA and frequency mixer bindiny mechanism of the present invention.
Fig. 5 illustrates a kind of lock-screw structural representation of antenna, LNA and frequency mixer bindiny mechanism of the present invention.
In figure, each labelling is as follows：1 antenna, 2 waveguides, 3 LNAs, 4 frequency mixers, 5 first front aprons, 6 rotating disks, before 7 second
Baffle plate, 8 front apron support beams, 9 lock-screws, 10 support beams, 11 pressing plate snap rings, 12 frequency mixer pressing plates, 13 frequency mixer back-up rings, 14
Frequency mixer supporting plate, 15 adpting flanges.
Specific embodiment
In order to be illustrated more clearly that the present invention, the present invention is done further with reference to preferred embodiments and drawings
It is bright.In accompanying drawing, similar part is indicated with identical reference.It will be appreciated by those skilled in the art that institute is concrete below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
As depicted in figs. 1 and 2, a kind of antenna, LNA and frequency mixer bindiny mechanism, the bindiny mechanism include antenna 1,
Waveguide 2, LNA 3, frequency mixer 4 and support system, the antenna 1, LNA 3 and frequency mixer 4 are connected successively by waveguide 2
Connect；The support system include adpting flange 15, support beam 10, frequency mixer supporting plate 14, frequency mixer pressing plate 12, pressing plate snap ring 11,
First front baffle board 5, the second front baffle board 7, front apron support beam 8 and rotating disk 6, first front baffle board 5 and the second front baffle board 7 pass through
Front apron support beam 8 is fixed together, and second front baffle board 7 and adpting flange 15 are fixed together by support beam 10.Institute
Adpting flange 15 is stated for being connected with other motions in the calibration of large-scale Compact Range quiet zone performance.
The pressing plate snap ring 11 is packed in support beam 10, and the pressing plate snap ring 11 is radially provided with draw-in groove, the mixing
Device pressing plate 12 is fastened in the draw-in groove of pressing plate snap ring 11；The draw-in groove of the pressing plate snap ring 11 with 12 external diameter phase of frequency mixer pressing plate
The arc of matching.
The frequency mixer supporting plate 14 is solidly installed by screw with frequency mixer 4, and the support system also includes frequency mixer
Back-up ring 13, one end of the frequency mixer supporting plate 14 are vertical with frequency mixer pressing plate 12 affixed by screw and frequency mixer back-up ring 13, institute
The other end for stating frequency mixer supporting plate 14 is provided with the arc matched with 15 internal diameter of adpting flange.The frequency mixer supporting plate 14 it is main
Effect is to hold frequency mixer 4, and the vertical direction of frequency mixer 4 is positioned.The Main Function of the frequency mixer pressing plate 12 is pressure
Firmly frequency mixer 4, position to the horizontal direction of frequency mixer 4.
First front apron 5 and the second front apron 7 are equipped with corresponding centre bore, and the rotating disk 6 passes through the first front
The centre bore of the centre bore of plate 5 and the second front apron 7；The antenna 1 is passed through located at the front end of the first front apron 5, the waveguide 2
Rotating disk 6 is connected with LNA 3, and the waveguide 2 is connected through frequency mixer pressing plate 12 with frequency mixer 4.
The support system also includes lock-screw 9, and the rotating disk 6 is provided with screwed hole, and the lock-screw 9 is screwed onto
In screwed hole.Lock-screw 9 can adjust stroke by the screwed hole on rotating disk 6, so as to adapt to various sizes of waveguide 2,.
The rotating disk 6 is using the little material of coefficient of friction, such as politef.The front portion of the rotating disk 6 is provided with little convex
Platform, rotates small boss to drive the rotation of rotating disk 6.
Certain connection surplus is left in 14 rear end of frequency mixer supporting plate, is adapted to the change of 4 certain size of frequency mixer.
Frequency mixer supporting plate 14 is provided with the arc matched with 15 internal diameter of adpting flange, can make frequency mixer supporting plate 14 along connection
15 inner circle of flange is rotated, and the draw-in groove of the radial direction of pressing plate snap ring 11, can be with the arc matched with 12 external diameter of frequency mixer pressing plate
Frequency mixer pressing plate 12 is made to axially rotate in the draw-in groove of pressing plate snap ring 11, so frequency mixer 4 can be with relative to adpting flange 15
Relatively rotate, the relative rotation of antenna 1, LNA 2 and frequency mixer 4 is adjusted with this.Rotating disk 6 adopts the little material of coefficient of friction,
Can rotate along the axis of the first front apron 5 and the second front apron 7, the contact between lock-screw 9 and waveguide 2 can be adjusted
Point, adapts to the waveguide 2 of different profiles.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right
The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms, all of embodiment cannot be exhaustive here, it is every to belong to this
Bright technical scheme it is extended obvious change or change still in protection scope of the present invention row.
Claims (5)
1. a kind of antenna, LNA and frequency mixer bindiny mechanism, it is characterised in that：The bindiny mechanism includes antenna (1), waveguide
(2), LNA (3), frequency mixer (4) and support system, antenna (1), LNA (3) and frequency mixer (4) pass through waveguide
(2) it is sequentially connected；
The support system includes adpting flange (15), support beam (10), frequency mixer supporting plate (14), frequency mixer pressing plate (12), pressure
Board ring (11), the first front baffle board (5), the second front baffle board (7), front apron support beam (8) and rotating disk (6), shelves before described first
Plate (5) and the second front baffle board (7) are fixed together by front apron support beam (8), the second front baffle board (7) and adpting flange
(15) it is fixed together by support beam (10)；
Pressing plate snap ring (11) are packed in support beam (10), and pressing plate snap ring (11) are radially provided with draw-in groove, described mixed
Frequency device pressing plate (12) is fastened in the draw-in groove of pressing plate snap ring (11)；
Frequency mixer supporting plate (14) are solidly installed with frequency mixer (4), the one end of frequency mixer supporting plate (14) and frequency mixer
Pressing plate (12) is vertically fixed, and the other end of frequency mixer supporting plate (14) is provided with the arc matched with adpting flange (15) internal diameter
Shape；
First front apron (5) and the second front apron (7) are equipped with corresponding centre bore, and described rotating disk (6) are through before first
The centre bore of the centre bore and the second front apron (7) of baffle plate (5)；
Described antenna (1), located at the front end of the first front apron (5), described waveguide (2) are connected through rotating disk (6) with LNA (3),
Described waveguide (2) are connected through frequency mixer pressing plate (12) with frequency mixer (4)；The draw-in groove of pressing plate snap ring (11) with mixing
The arc that device pressing plate (12) external diameter matches.
2. a kind of antenna according to claim 1, LNA and frequency mixer bindiny mechanism, it is characterised in that：The support
System also includes lock-screw (9), and rotating disk (6) are provided with screwed hole, and lock-screw (9) are screwed onto in screwed hole.
3. a kind of antenna according to claim 1, LNA and frequency mixer bindiny mechanism, it is characterised in that：The support
System also includes frequency mixer back-up ring (13), and described frequency mixer supporting plate (14) pass through screw and frequency mixer back-up ring (13) and frequency mixer pressure
Plate (12) is vertical affixed.
4. a kind of antenna according to claim 1, LNA and frequency mixer bindiny mechanism, it is characterised in that：The rotating disk
(6) front portion is provided with small boss.
5. a kind of antenna according to claim 4, LNA and frequency mixer bindiny mechanism, it is characterised in that：The rotating disk
(6) material is politef.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410710494.2A CN104466345B (en) | 2014-11-28 | 2014-11-28 | Antenna, low noise amplifier and frequency mixer connection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410710494.2A CN104466345B (en) | 2014-11-28 | 2014-11-28 | Antenna, low noise amplifier and frequency mixer connection mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104466345A CN104466345A (en) | 2015-03-25 |
| CN104466345B true CN104466345B (en) | 2017-03-22 |
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ID=52912005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410710494.2A Active CN104466345B (en) | 2014-11-28 | 2014-11-28 | Antenna, low noise amplifier and frequency mixer connection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104466345B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663665B (en) * | 2018-04-03 | 2020-03-31 | 北京环境特性研究所 | Method and device for determining uncertainty of compact range |
| CN109301508B (en) * | 2018-09-26 | 2021-04-02 | 北京无线电计量测试研究所 | Antenna device for compact field calibration |
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| US4563687A (en) * | 1984-02-06 | 1986-01-07 | Gte Communications Products Corporation | Adjustable antenna mount |
| US4954834A (en) * | 1988-07-05 | 1990-09-04 | Westinghouse Electric Corp. | Movable optical fiber system for directing microwaves |
| CN1237806A (en) * | 1998-05-29 | 1999-12-08 | 汤姆森多媒体公司 | Device for transmission/reception of signals |
| CN201838720U (en) * | 2010-10-18 | 2011-05-18 | 中国电子科技集团公司第五十四研究所 | Device for receiving gain calibration of VSAT (very small aperture terminal) station antenna |
| CN103117444A (en) * | 2013-01-25 | 2013-05-22 | 北京无线电计量测试研究所 | Arc guide rail angle adjustment testing frame for field strength antenna |
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| CN203859211U (en) * | 2014-03-12 | 2014-10-01 | 倍科电子技术服务（深圳）有限公司 | Test antenna tower having bore-sighting function |
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2014
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4563687A (en) * | 1984-02-06 | 1986-01-07 | Gte Communications Products Corporation | Adjustable antenna mount |
| US4954834A (en) * | 1988-07-05 | 1990-09-04 | Westinghouse Electric Corp. | Movable optical fiber system for directing microwaves |
| CN1237806A (en) * | 1998-05-29 | 1999-12-08 | 汤姆森多媒体公司 | Device for transmission/reception of signals |
| CN201838720U (en) * | 2010-10-18 | 2011-05-18 | 中国电子科技集团公司第五十四研究所 | Device for receiving gain calibration of VSAT (very small aperture terminal) station antenna |
| CN103117444A (en) * | 2013-01-25 | 2013-05-22 | 北京无线电计量测试研究所 | Arc guide rail angle adjustment testing frame for field strength antenna |
| CN103441320A (en) * | 2013-07-23 | 2013-12-11 | 中国人民解放军63892部队 | Method for stably erecting and accurately aiming at horn antenna and triangular support for measurement |
| CN203859211U (en) * | 2014-03-12 | 2014-10-01 | 倍科电子技术服务（深圳）有限公司 | Test antenna tower having bore-sighting function |
Non-Patent Citations (1)
| Title |
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| 微波毫米波天线测试系统技术研究;唐敬双;《西安电子科技大学硕士学位论文》;20090731;全文 * |
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| Publication number | Publication date |
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| CN104466345A (en) | 2015-03-25 |
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