CN206369770U - Radome test system - Google Patents
Radome test system Download PDFInfo
- Publication number
- CN206369770U CN206369770U CN201621170631.9U CN201621170631U CN206369770U CN 206369770 U CN206369770 U CN 206369770U CN 201621170631 U CN201621170631 U CN 201621170631U CN 206369770 U CN206369770 U CN 206369770U
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- radome
- radar
- support arm
- antenna
- test system
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Abstract
The utility model discloses a kind of radome test system, including it is arranged on the scan position turntable in horizontal operation face, described scan position turntable radar scanning mechanism is connected with by support arm；Described support arm includes turret supports arm and radar support arm；Described turret supports arm is arranged at scan position turntable top, described turret supports arm upper surface has pitching arc orbit, described pitching arc orbit is slidably matched with the pitching sliding stand of radar support arm bottom, radar support arm is moved relative to turret supports arm circular arc camber.Radome test system described in the utility model, it is to avoid conventional radar cover support arm and pitch axis test radome the interference effect of effect.
Description
Technical field
The utility model is related to a kind of radome test table device.
Background technology
In radar peripheral equipment, radome is the window of electromagnetic wave, is to influence the most direct, radar to radar performance
The quality of cover electromagnetic performance is directly connected to the performance of radar system actual performance, and radome is of equal importance with antenna.It is required that thunder
It is minimum up to influence of the cover to the electromagnetic radiation characteristic of antenna, and meet the requirement of tactical and technical norms.
The knowledge of the subjects such as radome technological synthesis material, technique, machinery, electromagnetism, aerodynamics and structural mechanics,
Design and manufacture difficulty are larger, and especially electromagnetic performance test process is the most complicated, general to use multiple degrees of freedom test system remote
Tested under field or Compact Range environment, specific electromagnetic performance index includes wave transmission rate, directional diagram, collimating fault etc..
Because radome is operated in a kind of complicated particular surroundings, radome electric performance test is a complicated mistake
Journey, including the technical indicator such as directional diagram, wave transmission rate, collimating fault, are related to space multiaxis, multivariant motion, typically make
Tested with special turntable, its turntable should meet the movement needs of radome test.
Radome test table would generally be provided with the radome support arm configuration of a setting, to support radome
Elevating movement axle, while being additionally provided with independent radar antenna support arm, to install radar antenna system, two parts coordinate fortune
It is dynamic to test movement needs to meet radome.
In general, the left and right sides of antenna is interference sensitizing range in antenna measurement, as shown in fig. 6, traditional in figure
The circle dashed region of radome installing frame F both sides is interference sensitizing range.
As shown in Figure 7 and Figure 8, the circle dashed region of conventional radar cover installing frame F both sides is interference sensitizing range in figure,
In existing radome test system, on horizontal scan face, its conventional radar cover support arm erect and its pitching axle construction
C, is exactly in this sensitizing range, or even in the range of certain angle from the point of view of electromagnetic wave arrival bearing, conventional radar cover
Support arm or pitching axle construction are ahead of antenna house, and physical dimension it is considerable, too close to antenna house, whether in outdoor
Far field, or darkroom is tested indoors after shielding processing, it tests obtained directional diagram can be because radome support arm
To reflection of electromagnetic wave and the interference of scattering, directional diagram correspondence is caused secondary lobe occur in the range of radome support arm region
The phenomenon raised.
In the radome test system of arm configuration is supported with radome, radome support arm is on the right side of radar cover body
Side, the right secondary lobe has obvious lifting, and left and right secondary lobe is asymmetric, test result distortion.
Simultaneously as lack the orientation regulation motion of radome independence, it is existing when radar points to the beveled corner regions of radome
There is test plane of scanning motion A and radar H the face B of test system and misaligned.
The content of the invention
According to technical problem set forth above, and a kind of radome test system is provided, for solving existing radome
Test system, the radome support arm having can interfere with the test effect of radome, and do not reach the test plane of scanning motion and
The shortcoming that radar H faces are overlapped.The technological means that the utility model is used is as follows：
A kind of radome test system, including it is arranged at the scan position turntable in horizontal operation face, described scan position
Radar scanning mechanism is connected with by support arm on turntable；Described support arm includes turret supports arm and radar support arm；Institute
The turret supports arm stated is arranged at scan position turntable top, and described turret supports arm upper surface has pitching arc orbit,
Described pitching arc orbit is slidably matched with the pitching sliding stand of radar support arm bottom, enables radar support arm is relative to turn
Platform support arm circular arc camber is moved；During radar test, radar support arm is located at radome installing frame and mechanic scan radar day
The rear portion of line, the interference sensitizing range of the left and right sides of radar antenna is all headroom, have no occluder.
It is arranged at as preferably described radar scanning mechanism on the radar support frame at the top of radar support arm；Described thunder
Include up to sweep mechanism：By radome azimuth axis with radar support frame upper and lower ends rotate connection radome installing frame,
Radome, mechanic scan radar antenna, radome polaxis, radome roll swivel becket and radar antenna erecting bed；Described radar
Cover installing frame is provided centrally with radar antenna erecting bed, and described mechanic scan radar antenna is installed on radar antenna erecting bed；Institute
Radome roll swivel becket is installed, it is horizontal that described radome is installed on radome in the circumference framework for the radome installing frame stated
Rolling rotating ring.
Line slideway is provided with between radome installing frame as preferably described radome azimuth axis, pacifies radome
Framing up being capable of the elastic translational motion on line slideway.
Line slideway is provided with between radome installing frame as preferably described radar antenna erecting bed, makes radar day
Line erecting bed being capable of the elastic translational motion on line slideway.
More than one group is provided with as preferably described pitching arc orbit and with the pitching sliding stand that its cooperation is slided.
Compared with prior art, radome test system described in the utility model, support arm includes turret supports arm
With radar support arm；Turret supports arm upper surface has pitching arc orbit, and pitching arc orbit is with radar support arm bottom
Pitching sliding stand is slidably matched, and radar support arm is moved relative to turret supports arm circular arc camber；When radar scanning mechanism
During scanning work, the plane of scanning motion is higher than the top of turret supports arm, and radar support arm is always positioned at radome installing frame and machine
The rear portion of radar antenna is swept, the left and right sides of radar antenna is all headroom, disturb sensitizing range have no occluder, it is to avoid traditional thunder
The interference effect of effect is tested radome up to cover support arm and pitch axis, and is supported by radome azimuth axis with radar
The upper and lower ends of frame rotate the radome installing frame of connection, realize the orientation regulation of radome, realize the plane of scanning motion and thunder
Up to the coincidence of antenna H planes.
Radome test system described in the utility model, using pitching arc orbit and pitching sliding stand combination replacement
Pitch axis and antenna house supporting construction in prior art；Pitching arc orbit and the combination of pitching sliding stand are set
On scan position turntable, the equivalent pitch axis (imaginary axis) of pitching arc orbit is parallel to ground.The technical advantage being arranged such
It in avoiding radome support arm and pitching axle construction and interference produced to test, and in the front upper place space of test system
Realize headroom environment, it is to avoid structure block and structural scattering electromagnetic wave interference, it is ensured that the authenticity of test result.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation that the utility model radome test system has radome.
Fig. 2 is the utility model radome test system scanning schematic diagram.
Fig. 3 is the schematic diagram that the utility model radome test system extracts radome.
Fig. 4 is the side view that the utility model radome test system extracts radome.
Fig. 5 be the utility model radome test system extract radome front view (circular arc dashed region is dry in figure
Disturb sensitizing range).
Fig. 6 is the top view of radome test system in the prior art.
Fig. 7 is structural representation (direction shown in arrow, as electromagnetic wave in figure of radome test system in the prior art
Arrival bearing).
Fig. 8 is side view (direction shown in arrow, as electromagnetic wave incoming wave in figure of radome test system in the prior art
Direction).
Wherein：1st, scan position turntable, 2, turret supports arm, 3, pitching arc orbit, 4, radar support arm, 5, pitching slides
Dynamic platform, 6, radar support frame, 7, radome installing frame, 8, radome, 9, mechanic scan radar antenna, 10, radome polaxis, 11,
Radome roll swivel becket, 12, radar antenna erecting bed, 13, the plane of scanning motion, 14, radar antenna H planes；
A is that the test plane of scanning motion, B are that radar H faces, C are conventional radar cover support arm and its pitching axle construction, D are tradition
Scan position turntable, E are that to receive antenna, F be conventional radar cover installing frame to tradition.
Embodiment
As shown in Fig. 1 to Fig. 5, a kind of radome test system, including it is arranged at the scan position turntable in horizontal operation face
1, radar scanning mechanism is connected with by support arm on described scan position turntable 1.
Described support arm includes turret supports arm 2 and radar support arm 4；Described radar scanning mechanism is arranged at radar
On the radar support frame 6 at the top of support arm 4；Described radar scanning mechanism includes：Supported by radome azimuth axis with radar
The upper and lower ends of frame 6 rotate radome installing frame 7, radome 8, mechanic scan radar antenna 9, radome polaxis 10, the thunder of connection
Up to cover roll swivel becket 11 and radar antenna erecting bed 12；Described radome installing frame 7 is provided centrally with radar antenna installation
Platform 12, described mechanic scan radar antenna 9 is installed on radar antenna erecting bed 12.
Radar antenna erecting bed 12 is arranged on the rear of radome installing frame 7 by mechanical structure, is mechanic scan radar antenna 9
Main load-carrying member；Radome installing frame 7 drives radar antenna erecting bed 12 together to carry out pitching, azimuth motion.
Radome roll swivel becket 11, described radome 8 are installed in the circumference framework of described radome installing frame 7
Radome roll swivel becket 11 is installed on, described radome roll swivel becket 11 is adjusted by radome roll motor-driven rotation
Section.Described radome 8 and its frock can be positioned and be fixedly attached on the frock face of radome roll swivel becket.
Described radome polaxis 10 is the axis of radome roll swivel becket 11, and this radome polaxis 10 is by sweeping
Retouch the scan position axle, pitching arc orbit 3 and radome pitch axis (this axle of the aggregate motion of pitching sliding stand 5 of azimuth rotating platform 1
It is the imaginary axis) joint drive.
Radome 8 is arranged on radome roll swivel becket 11 by itself tool structure, and ensures radome polaxis
10 is coaxial with radome roll swivel becket 11, is driven by radome roll swivel becket 11, around the radar split-pole of radome 8 itself
Change axle 10 to rotate, realize the roll motion of radome 8.
Described turret supports arm 2 is arranged at the top of scan position turntable 1, and the described upper surface of turret supports arm 2 has
Pitching arc orbit 3, described pitching arc orbit 3 is slidably matched with the pitching sliding stand 5 of the bottom of radar support arm 4, makes thunder
It can be moved up to support arm 4 relative to the circular arc camber of turret supports arm 2；Described pitching arc orbit 3 and slided with its cooperation
Pitching sliding stand 5 be provided with more than one group.
The rail section of pitching arc orbit 3 is rectangle, trimming rectangle or other forms；The combination of pitching sliding stand 5
Can be single or multiple slide mass combinations；Specific number of tracks, rail section form, sliding stand combination do not influence this
The implementation of scheme.
The radar antenna erecting bed 12 is adjusted with axle governor motion, described axle is provided between mechanic scan radar antenna 9
Mechanism includes azimuth axis of antenna, elevation axis of antenna and antenna polarization axle.
When radar antenna erecting bed 12 to mechanic scan radar antenna 9 be disposed with azimuth axis of antenna, elevation axis of antenna and
Antenna polarization axle, makes azimuth axis of antenna drive elevation axis of antenna, and elevation axis of antenna drives antenna polarization axle, and antenna polarization axle passes through
Frock face drives mechanic scan radar antenna 9 to rotate.
When radar antenna erecting bed 12 to mechanic scan radar antenna 9 be disposed with elevation axis of antenna, azimuth axis of antenna and
Antenna polarization axle, makes elevation axis of antenna drive azimuth axis of antenna, and azimuth axis of antenna drives antenna polarization axle, and antenna polarization axle passes through
Frock face drives mechanic scan radar antenna 9 to rotate.Mechanic scan radar antenna 9 is mounted on antenna polarization axle.
Antenna polarization axle is driven by azimuth axis of antenna or elevation axis of antenna, the pointing space either direction in range of movement,
It is a Three dimensional rotation combination；The combination of this Three dimensional rotation is depended on radome installing frame 7, follows radome installing frame 7 to transport
It is dynamic.
Radome azimuth axis is connected to radome installing frame 7 by mechanical structure, and drives radome installing frame 7 to carry out
Orientation is rotated；Now radome 8 possess scan position motion, radome azimuth motion, radome elevating movement these three motion
The free degree, wherein radome azimuth motion, radome elevating movement are mainly used in correcting the side of radar antenna in test process
Parallactic angle and the angle of pitch.
During radar test, radar support arm 4 is located at the rear portion of radome installing frame 7 and mechanic scan radar antenna 9,
The interference sensitizing range of the left and right sides of radar antenna is all headroom, have no occluder.
As one of which preferred embodiment, described radome azimuth axis is set between radome installing frame 7
There is line slideway, enable the elastic translational motion on line slideway of radome installing frame 7, in order to adapt to different type
Radome test fixture demand.
As one of which preferred embodiment, described radar antenna erecting bed 12 is between radome installing frame 7
Line slideway is provided with, enables the elastic translational motion on line slideway of radar antenna erecting bed 12, to adapt to difference
The assembling centering of model radar antenna.
As one of which preferred embodiment, above-mentioned radar antenna erecting bed 12 be directed to mechanic scan radar and
Speech, when the utility model is applied to electronically scanned radar, is directly arranged on radome roll swivel becket 11 by the frock of electronically scanned radar
Frock face on, it is ensured that the relative position of radar antenna and radome, you can realize work.
Radome test system described in the utility model, can in far field or Compact Range to radome electromagnetically
Automatic test can be carried out.Traditional support arm configuration in existing radome test system is cancelled, pitch axis is changed to pitching circle
The combination of arc track 3 and pitching sliding stand 5, the equivalent pitch axis of pitching arc orbit 3 is parallel to ground；In pitching sliding stand
Increase a radome azimuth axis on 5 newly, pitching sliding stand 5 drives radome azimuth axis on pitching arc orbit 3 around equivalent
Pitch axis carry out elevating movement, this equivalent pitch axis is radome pitch axis；Set on newly-increased radome azimuth axis
Radome installing frame 7 is equipped with, radome installing frame 7 is driven by radome azimuth axis and carries out radome orientation rotation.
Radome test system described in the utility model, scan position turntable 1 is arranged on the most lower of whole test system
Side, drive turntable integrally to carry out azimuth scan rotation by scan position turntable 1, for radome azimuth scan test main motion with
And radome orientation angles set regulation；The scan position axle of scan position turntable perpendicular to ground, the level of the plane of scanning motion 12 in
Ground.
Antenna polarization is to describe the parameter that the aerial radiation electromagnetism K-space is pointed to.Because electric field and magnetic field have constant
Relation, therefore general all pointed to using the space of electric field intensity is used as aerial radiation polarization of electromagnetic wave direction.
The polarization of antenna is divided into linear polarization, circular polarisation and elliptic polarization.Linear polarization is divided into horizontal polarization and vertical polarization again.
For linear polarized antenna, the profile direction figure parallel with polarised direction is referred to as E faces, profile direction figure normal thereto
Referred to as H faces, i.e., radar antenna H planes 14 of the present utility model.
Radome test system described in the utility model, in order to realize the survey of radar antenna H planes 14 and test system
The examination plane of scanning motion 13 is overlapped or parallel, and radome 8 is needed with orientation angles regulating power, therefore, on pitching sliding stand 5
Radome azimuth axis is provided with, pitching sliding stand 5 drives radome azimuth axis (empty around pitch axis on pitching arc orbit 3
Axle) elevating movement is carried out, now the equivalent pitch axis (imaginary axis) of pitching arc orbit 3 is the pitch axis of radome.
Specific antenna house method of testing, initial in test, mechanic scan radar antenna 9 points to the front of radome 8, radar antenna
The level of H faces 14 is in ground, and parallel to the plane of scanning motion 13；By setting the angle of azimuth axis of antenna and elevation axis of antenna, by thunder
The space angle position specified tested the need for being pointed to up to antenna (now there is angle in radar antenna H faces with ground).
According to the angle of previously positioned azimuth axis of antenna and elevation axis of antenna, radome side is oppositely adjusted by equivalent
Position axle, radome pitch axis, mechanic scan radar antenna 9 and radome 8 are rotated together, go to the inceptive direction of radar antenna, i.e. thunder
It is parallel or coincide with the plane of scanning motion up to antenna H faces level in ground；Now enter the testing procedure of radome 8, such as radome
The test such as directional diagram, collimating fault, wave transmission rate.
For mechanic scan radar test, the test (radar directional diagram etc.) without radome is completed first, then radar is installed
Cover, carry out azimuth scan or pitching scanning, start install radome after contrast test, obtain radome directional diagram,
The results such as collimating fault, wave transmission rate.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its inventive concept is subject to equivalent substitution or change, should all cover protection domain of the present utility model it
It is interior.
Claims (5)
1. a kind of radome test system, including it is arranged at the scan position turntable (1) in horizontal operation face, described scan position
Turntable is connected with radar scanning mechanism on (1) by support arm；
It is characterized in that：Described support arm includes turret supports arm (2) and radar support arm (4)；
Described turret supports arm (2) is arranged at scan position turntable (1) top, described turret supports arm (2) upper table mask
There is pitching arc orbit (3), described pitching arc orbit (3) is slided with the pitching sliding stand (5) of radar support arm (4) bottom
Coordinate, radar support arm (4) is moved relative to turret supports arm (2) circular arc camber；
During radar test, radar support arm (4) is located at the rear portion of radome installing frame (7) and mechanic scan radar antenna (9).
2. radome test system according to claim 1, it is characterised in that：
Described radar scanning mechanism is arranged on the radar support frame (6) at the top of radar support arm (4)；
Described radar scanning mechanism includes：Connection is rotated with the upper and lower ends of radar support frame (6) by radome azimuth axis
Radome installing frame (7), radome (8), mechanic scan radar antenna (9), radome polaxis (10), radome roll swivel becket
And radar antenna erecting bed (12) (11)；
Described radome installing frame (7) is provided centrally with radar antenna erecting bed (12), described mechanic scan radar antenna (9) peace
Loaded on radar antenna erecting bed (12)；
Radome roll swivel becket (11), described radome are installed in the circumference framework of described radome installing frame (7)
(8) it is installed on radome roll swivel becket (11).
3. radome test system according to claim 2, it is characterised in that：
Described radome azimuth axis is provided with line slideway between radome installing frame (7), makes radome installing frame (7) energy
Enough translational motions elastic on line slideway.
4. radome test system according to claim 2, it is characterised in that：
Described radar antenna erecting bed (12) is provided with line slideway between radome installing frame (7), pacifies radar antenna
Filling platform (12) being capable of the elastic translational motion on line slideway.
5. radome test system according to claim 1 or 2, it is characterised in that：
Described pitching arc orbit (3) and it is provided with more than one group with the pitching sliding stand (5) that its cooperation is slided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621170631.9U CN206369770U (en) | 2016-11-02 | 2016-11-02 | Radome test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621170631.9U CN206369770U (en) | 2016-11-02 | 2016-11-02 | Radome test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206369770U true CN206369770U (en) | 2017-08-01 |
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ID=59389029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621170631.9U Active CN206369770U (en) | 2016-11-02 | 2016-11-02 | Radome test system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405297A (en) * | 2016-11-02 | 2017-02-15 | 大连东信微波技术有限公司 | Radome testing system |
| CN108869987A (en) * | 2018-07-03 | 2018-11-23 | 湖州韩叔叔电子商务有限公司 | A kind of comprehensive radar detection apparatus based on Internet of Things computer |
| CN110217406A (en) * | 2019-05-17 | 2019-09-10 | 陕西飞机工业（集团）有限公司 | A kind of antenna house test clamping device |
| CN110398736A (en) * | 2019-07-04 | 2019-11-01 | 宁波信泰机械有限公司 | It is applicable in the wave transparent performance test methods and test equipment of ACC millimeter wave label |
| CN111044795A (en) * | 2019-12-18 | 2020-04-21 | 北京无线电计量测试研究所 | Radome testing turntable double-azimuth structure and assembling and initial positioning adjusting method |
| CN112259952A (en) * | 2020-09-23 | 2021-01-22 | 西安新光通信技术有限公司 | Special-shaped seat frame for ship-borne low-orbit satellite VSAT antenna |
| CN114002653A (en) * | 2022-01-04 | 2022-02-01 | 常州宇翔圆航空科技有限公司 | Radome signal intelligent testing device and testing method thereof |
-
2016
- 2016-11-02 CN CN201621170631.9U patent/CN206369770U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405297A (en) * | 2016-11-02 | 2017-02-15 | 大连东信微波技术有限公司 | Radome testing system |
| CN106405297B (en) * | 2016-11-02 | 2024-01-02 | 大连东信微波技术有限公司 | Radome test system |
| CN108869987A (en) * | 2018-07-03 | 2018-11-23 | 湖州韩叔叔电子商务有限公司 | A kind of comprehensive radar detection apparatus based on Internet of Things computer |
| CN110217406A (en) * | 2019-05-17 | 2019-09-10 | 陕西飞机工业（集团）有限公司 | A kind of antenna house test clamping device |
| CN110217406B (en) * | 2019-05-17 | 2023-08-04 | 陕西飞机工业（集团）有限公司 | Radome test clamping device |
| CN110398736A (en) * | 2019-07-04 | 2019-11-01 | 宁波信泰机械有限公司 | It is applicable in the wave transparent performance test methods and test equipment of ACC millimeter wave label |
| CN111044795A (en) * | 2019-12-18 | 2020-04-21 | 北京无线电计量测试研究所 | Radome testing turntable double-azimuth structure and assembling and initial positioning adjusting method |
| CN111044795B (en) * | 2019-12-18 | 2021-11-19 | 北京无线电计量测试研究所 | Radome testing turntable double-azimuth structure and assembling and initial positioning adjusting method |
| CN112259952A (en) * | 2020-09-23 | 2021-01-22 | 西安新光通信技术有限公司 | Special-shaped seat frame for ship-borne low-orbit satellite VSAT antenna |
| CN114002653A (en) * | 2022-01-04 | 2022-02-01 | 常州宇翔圆航空科技有限公司 | Radome signal intelligent testing device and testing method thereof |
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