CN107290600A - High-accuracy antenna chamber internal field test system and its test platform - Google Patents
High-accuracy antenna chamber internal field test system and its test platform Download PDFInfo
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- CN107290600A CN107290600A CN201710540328.6A CN201710540328A CN107290600A CN 107290600 A CN107290600 A CN 107290600A CN 201710540328 A CN201710540328 A CN 201710540328A CN 107290600 A CN107290600 A CN 107290600A
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- 238000012360 testing method Methods 0.000 title claims abstract description 77
- 230000008450 motivation Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 4
- 230000033228 biological regulation Effects 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005388 cross polarization Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
- G01R29/105—Radiation diagrams of antennas using anechoic chambers; Chambers or open field sites used therefor
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Abstract
The invention discloses a kind of test platform, including base station, the first turntable and the second turntable；The rotating mechanism that can be rotated in X Y-axis planar horizontal is equiped with base station, the first turntable is installed on rotating mechanism, and the second turntable is fixedly arranged on base station；First turntable can be rotated by rotating mechanism in X Y-axis planar horizontal, when the first turntable turns to first position, first turntable is directed at the second turntable and constitutes the signal testing path all the way with the first measuring distance, when first turntable turns to the second place, the 3rd turntable outside the alignment of the first turntable constitutes the signal testing path all the way with the second measuring distance；First turntable is optionally implemented as transmitting terminal or receiving terminal, correspondingly, and the second turntable is optionally implemented as receiving terminal or transmitting terminal.The invention also discloses a kind of high-accuracy antenna chamber internal field test system.By above-mentioned embodiment, can fast switch signal test path with to the antenna of different wave length carry out far field enter examination, its it is simple in construction, easy to operate efficiently.
Description
Technical field
The present invention relates to communication test set technical field, more particularly to a kind of high-accuracy antenna chamber internal field test system and
Its test platform.
Background technology
Existing antenna chamber internal field test system, mainly includes emitter and reception device, and far field survey is carried out between the two
During examination, from antenna of the measurement compared with small wavelength when be switched to the antenna for measuring larger wavelength when, it is necessary to traverser or reception
Any one in device is simultaneously both mobile, so causes to need frequent movement, and displacement is larger, causes testing efficiency
It is low.
The content of the invention
The present invention provides a kind of high-accuracy antenna chamber internal field test system and its test platform to solve above-mentioned technical problem,
Can fast switch signal test path with to the antenna of different wave length carry out far field enter examination, its simple in construction, easy to operate height
Effect.
In order to solve the above technical problems, the present invention provides a kind of test platform, including：Base station, the first turntable and second
Turntable；The rotating mechanism that can be horizontally rotated in X-Y axial planes is equiped with the base station, first turntable is installed in described turn
On motivation structure, second turntable is fixedly arranged on the base station；First turntable can be flat in X-Y axles by the rotating mechanism
Face horizontally rotates, when first turntable turns to first position, and first turntable is directed at second turntable and constitutes one
Road has the signal testing path of the first measuring distance, when first turntable turns to the second place, first turntable pair
The 3rd turntable outside standard constitutes the signal testing path all the way with the second measuring distance；Wherein, first turntable is optional
Selecting property as transmitting terminal or receiving terminal, correspondingly, second turntable is optionally implemented as receiving terminal or transmitting
End.
Further, can be moved in X-direction first is provided between the rotating mechanism and first turntable straight
Line travel mechanism, the first straight line travel mechanism support is fixed on the rotating mechanism, and first turret supports are fixed
In in the first straight line travel mechanism, by rotation of the rotating mechanism in X-Y axial planes, the first straight line movement
Mechanism can be moved to the optional position of X-Y axial planes, and then drive first turntable is moved to any position of X-Y axial planes
Put.
Further, the second straight line that being fixed with the first straight line travel mechanism can move in Z-direction is moved
Motivation structure, first turret supports are fixed in the second straight line travel mechanism, and then first turntable can be in institute
State under the drive of second straight line travel mechanism in Z-direction movement.
Further, the first straight line travel mechanism includes the first supporting plate, is rotationally connected with first supporting plate
On the first ball-screw, be sheathed on first ball-screw the first nut slider and with first ball-screw join
The first dynamic servomotor；The second straight line travel mechanism includes the second supporting plate, is rotationally connected with second supporting plate
On the second ball-screw, be sheathed on second ball-screw the second nut slider and with second ball-screw join
The second dynamic servomotor；The rotating mechanism include be arranged on the base station support base, be arranged in the support base
The 3rd servomotor and the first reductor for being connected with the 3rd servo motor output shaft of input shaft；First reductor
Fixed first supporting plate of output shaft support, fixed second supporting plate of the first nut slider support, described the
Two nut sliders are connected first turntable.
Further, first turntable includes the first mounting seat, the first rotating unit and the first mounting disc；Described
One installation seat supports are fixed in the second straight line travel mechanism, and first peace is fixed in the first rotating unit support
Fill on seat and can be rotated in the plane perpendicular to X-Y axial planes, first rotating unit is fixed with first mounting disc
Connect and then drive first mounting disc to be rotated in the plane perpendicular to X-Y axial planes；Second turntable includes second
Mounting seat, the second rotating unit and the second mounting disc；The second installation seat supports are fixed on the branch being connected with the base station
On frame, the second rotating unit support is fixed in second mounting seat and can be in the plane perpendicular to X-Y axial planes
Rotate, second rotating unit is fixedly connected with second mounting disc and then drives second mounting disc perpendicular to X-
Rotated in the plane of Y-axis plane.
Further, first rotating unit includes the 4th servomotor and input shaft and the 4th servomotor
Second reductor of output shaft connection, the 4th servomotor is mounted in first mounting seat, and described second subtracts
The output shaft of fast machine is connected with first mounting disc；Second rotating unit includes the 5th servomotor and input shaft and institute
The 3rd reductor of the output shaft connection of the 5th servomotor is stated, the 5th servomotor is mounted on described second and installed
On seat, the output shaft of the 3rd reductor is connected with second mounting disc.
Further, the 3rd linear moving mechanism that can be moved in X-direction, the rotating machine are provided with the base station
Structure support is fixed on the 3rd linear moving mechanism；Wherein, the 3rd linear moving mechanism includes line slideway and dress
The sliding block moved on the line slideway and on the line slideway, the rotating mechanism is installed on the sliding block.
Further, first measuring distance is less than or equal to 600mm, and second measuring distance is more than 600mm.
Further, the base station bottom is provided with multiple adjustable for height supports for adjusting the base station balance
Portion.
In order to solve the above technical problems, the present invention also provides a kind of high-accuracy antenna chamber internal field test system, including as above
State the test platform for possessing base station, the first turntable and the second turntable described in any one embodiment, in addition to the 3rd turntable；It is described
The rotating mechanism that can be horizontally rotated in X-Y axial planes is equiped with base station, first turntable is installed on the rotating mechanism,
Second turntable is fixedly arranged on the base station；First turntable can turn by the rotating mechanism in X-Y axial planes level
Dynamic, when first turntable turns to first position, first turntable, which is directed at second turntable and constituted all the way, has the
The signal testing path of one measuring distance, when first turntable turns to the second place, first turntable alignment described the
Three turntables constitute the signal testing path all the way with the second measuring distance；Wherein, first turntable is optionally implemented as
Transmitting terminal or receiving terminal, correspondingly, second turntable are optionally implemented as receiving terminal or transmitting terminal, the described 3rd
Turntable is optionally implemented as receiving terminal or transmitting terminal.
The high-accuracy antenna chamber internal field test system and its test platform of the present invention, has the advantages that：
By setting the first turntable and the second turntable on same base station, and the first turntable can turn to first position alignment the
Two turntables constitute the signal testing path all the way with the first measuring distance, or the 3rd turned to outside the alignment of the second place
Turntable, which constitutes another road, has the signal testing path of the second measuring distance, can fast switch signal test path with to difference
The antenna of wavelength carries out far field and enters examination, and its is simple in construction, easy to operate efficiently.
Brief description of the drawings
Fig. 1 is the structural representation of the high-accuracy antenna chamber internal field test system of embodiment of the present invention.
Fig. 2 is the sectional side view of test platform in high-accuracy antenna chamber internal field test system shown in Fig. 1.
Fig. 3 is the top view of test platform in high-accuracy antenna chamber internal field test system shown in Fig. 1.
Fig. 4 is the structural representation of the 3rd turntable in high-accuracy antenna chamber internal field test system shown in Fig. 1.
Fig. 5 is the sectional view along B-B shown in Fig. 4.
Embodiment
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
Referred to reference to Fig. 1 to Fig. 3, the present invention provides a kind of high-accuracy antenna chamber internal field test system, during test, should
High-accuracy antenna chamber internal field test system is often positioned in darkroom 2.Wherein the high-accuracy antenna chamber internal field test system includes one
Test platform 1 with base station 11, the first turntable 12 and the second turntable 13, in addition to one the 3rd turntable 3.
Specifically, in test platform 1：The rotating mechanism 14 that can be horizontally rotated in X-Y axial planes is equiped with base station 11,
First turntable 12 is installed on rotating mechanism 14, and the second turntable 13 is fixedly arranged on base station 11.During test, the first turntable 12 can be by
Rotating mechanism 14 horizontally rotates in X-Y axial planes, such as when the first turntable 12 turns to first position, the first turntable 12 alignment the
Two turntables 13 constitute the signal testing path all the way with the first measuring distance；Such as when the first turntable 12 turns to the second place
When, the 3rd turntable 3 that the first turntable 12 is directed at outside constitutes the signal testing path all the way with the second measuring distance.
First measuring distance generally can be small compared with the second measuring distance, such as in one embodiment, first test
Distance is less than or equal to 600mm, and the second measuring distance is more than 600mm, and certainly, the first measuring distance and the second measuring distance can also
It is set to other according to demand.There was only a set of transmitting terminal and a set of reception compared to traditional high-accuracy antenna chamber internal field test system
End, is not suitable for the test of all kinds of antennas of millimeter wave using conventional architectures, and the present invention uses and possesses the first turntable 12 and second turn
The test platform 1 of platform 13 and the 3rd turntable 3 outside test platform 1, thus the far field linked up equivalent to two subsystems,
The test of high-gain and low gain microwave and millimeter wave antenna can be met, flexibly compensate for relatively traditional scheme some not
Foot.
In a preferred embodiment, can be moved in X-direction the is provided between the turntable 12 of rotating mechanism 14 and first
One linear moving mechanism 15, the support of first straight line travel mechanism 15 is fixed on rotating mechanism 14, and the support of the first turntable 12 is fixed
In in first straight line travel mechanism 15, by rotation of the rotating mechanism 14 in X-Y axial planes, first straight line travel mechanism 15 can
To be moved to the optional position of X-Y axial planes, i.e., under the cooperation of rotating mechanism 14, first straight line travel mechanism 15 can be to X
Direction of principal axis and Y direction are arbitrarily moved, and then the first turntable 12 of drive is moved to the optional position of X-Y axial planes.By in X-Y
Rotation in axial plane, the first turntable 12 can be selectively aligning with the second turntable 13 or the 3rd turntable 3.And it is possible to by
The mobile accuracy of one linear moving mechanism 15 is set to 0.02mm, resolution ratio≤0.01mm, to ensure the accuracy of its movement, its
Governing speed could be arranged to 0.05mm~10mm/s.
In a preferred embodiment, can be moved in Z-direction second is fixed with first straight line travel mechanism 15
Linear moving mechanism 16, the first turntable 12 support is fixed in second straight line travel mechanism 16, and then the first turntable 12 can be
Moved under the drive of second straight line travel mechanism 16 in Z-direction.By setting second straight line travel mechanism 16 to be moved in Z-direction
It is dynamic, it is to preferably be directed at the second turntable 13 or the 3rd turntable 3 in the height direction.Can be by second straight line travel mechanism 16
Mobile accuracy be set to 0.02mm, resolution ratio≤0.01mm, to ensure the accuracy of its movement, its governing speed can be set
For 0.05mm~10mm/s.
In one embodiment, first straight line travel mechanism 15 includes the first supporting plate 151, is rotationally connected with first
The first ball-screw 152 on fagging 151, the first nut slider 153 for being sheathed on the first ball-screw 152 and with the first rolling
The first servomotor 154 that ballscrew 152 links, wherein, can be between the first servomotor 154 and the first ball-screw 152
Linkage is realized by way of gear or belt wheel combination belt.Second straight line travel mechanism 16 includes the second supporting plate 161, turned
Dynamic the second ball-screw 162 being connected in the second supporting plate 161, the second nut slider for being sheathed on the second ball-screw 162
163 and with the second ball-screw 162 link the second servomotor 164, wherein, the second servomotor 164 and the second ball
Linkage can also be realized between leading screw 162 by way of gear or belt wheel combination belt.Rotating mechanism 14 includes being arranged at
Support base 140 on base station 11, the 3rd servomotor 141 and input shaft and the 3rd servomotor being arranged in support base 140
First reductor 142 of 141 output shafts connection.Wherein, the first supporting plate 151 is fixed in the output shaft support of the first reductor 142,
The second supporting plate 161 is fixed in the support of first nut slider 153, and the second nut slider 163 is connected the first turntable 12.Wherein,
Rotating mechanism 14 can be rotated in the range of 0 °~360 °, degree of regulation≤+/- 0.005deg of rotating mechanism 14, and resolution ratio≤
+/- 0.002deg is to ensure precision, and the velocity of rotation of rotating mechanism 14 is 0.05deg/s~3.0deg/s.
In one embodiment, the first turntable 12 includes the first mounting seat 121, the first rotating unit 122 and first
Mounting disc 123.The support of first mounting seat 121 is fixed in second straight line travel mechanism 16, and the support of the first rotating unit 122 is fixed
In can rotate in the first mounting seat 121 and in the plane perpendicular to X-Y axial planes, the first rotating unit 122 and first is installed
Disk 123 is fixedly connected and then drives the first mounting disc 123 to be rotated in the plane perpendicular to X-Y axial planes.
Second turntable 13 includes the second mounting seat 131, the second rotating unit 132 and the second mounting disc 133.Second installs
The support of seat 131 is fixed on the support 130 being connected with base station 11, and the second mounting seat 131 is fixed in the support of the second rotating unit 132
It is upper and can be rotated in the plane perpendicular to X-Y axial planes, the second rotating unit 132 be fixedly connected with the second mounting disc 133 into
And drive the second mounting disc 133 to be rotated in the plane perpendicular to X-Y axial planes.
Wherein, the first rotating unit 122 includes the 4th servomotor 1221 and input shaft and the 4th servomotor 1221
Second reductor of output shaft connection（It is not shown）, the 4th servomotor 1221 is mounted in the first mounting seat 121, and second
The output shaft of reductor is connected with the first mounting disc 123；Second rotating unit 132 includes the 5th servomotor 1321 and input shaft
The 3rd reductor being connected with the output shaft of the 5th servomotor 1321（It is not shown）, the 5th servomotor 1321 is mounted on
In second mounting seat 131, the output shaft of the 3rd reductor is connected with the second mounting disc 133.
Under the cooperation of the first rotating unit 122 and the second rotating unit 132, it is possible to achieve to object to be measured such as antenna
Polarization regulation.Wherein, the first rotating unit 122 and/or the second rotating unit 132 can turn in the range of 0 °~360 °
It is dynamic, its degree of regulation≤+/- 0.005deg, resolution ratio≤+/- 0.002deg is to ensure precision, and velocity of rotation is 0.05deg/s
~3.0deg/s.
In a preferred embodiment, the 3rd rectilinear movement machine that can be moved in X-direction is also provided with base station 11
Structure 17, the support of rotating mechanism 14 is fixed on the 3rd linear moving mechanism 17.Wherein, the 3rd linear moving mechanism 17 includes straight line
Guide rail 171 and the sliding block 172 for being installed on line slideway 171 and being moved on line slideway 171, rotating mechanism 14 are installed in cunning
On block 172, wherein specially support base 140 is installed on sliding block 172 in rotating mechanism 14, the 3rd servomotor 141 and first
Reductor 142 passes through sliding block 172, support base 140 and the first supporting plate 151 being connected in first straight line travel mechanism 15.Lift
For example, the shift motion of the 3rd linear moving mechanism 17 could be arranged to 1000mm, first straight line travel mechanism 15 and/or
The shift motion of second straight line travel mechanism 16 could be arranged to 400mm.For the straight line of first straight line travel mechanism 15 and the 3rd
During 17 equidirectional setting of travel mechanism, the 3rd linear moving mechanism 17 can be adjusted manually, quick coarse adjustment is realized, in conjunction with first
Linear moving mechanism 15 carries out accurate adjustment, so as to reach the first measuring distance of needs.
In one embodiment, it can set multiple adjustable for height flat for regulation base station 11 in the bottom of base station 11
The supporting part 18 of weighing apparatus.
Referred to incorporated by reference to Fig. 4 and Fig. 5, wherein, the 3rd turntable 3 can possess three-axis moving ability, and correspondence can be real
Now polarization, pitching, the function of lower orientation regulation, to carry out the measurement of many kinds of parameters to object to be measured such as antenna.Specifically, should
3rd turntable 3 includes：Pedestal 31, bearing 32, the Yi Jizhuan for being rotationally connected with pedestal 31 and there is a side wall being arranged oppositely
The dynamic mounting seat 33 being connected on the two side of bearing 32.Specifically, subtract in pedestal 31 provided with the first servomotor 311 and first
Fast machine 312, the input shaft of the first reductor 312 is connected with the output shaft of the first servomotor 311, the first reductor 312 it is defeated
Shaft is connected with bearing 32, the first servomotor 311 rotate drive the first reductor 312 rotate so that enable bearing 32 with
With the first reductor 312 output shaft rotation so that rotated relative to pedestal 31.Wherein, bearing 32 can appoint between 0 °~360 °
Rotated in meaning angular range.Realize the regulation in lower orientation.
Further, the outer wall of bearing 32 is provided with the second servomotor 321 and the second reductor 322, and mounting seat 33, which is rotated, to be connected
It is connected on bearing 32, the input shaft of the second reductor 322 is connected with the output shaft of the second servomotor 321, the second reductor 322
Output shaft be connected with mounting seat 33, the second servomotor 321 rotate drive the second reductor 322 rotate so that cause mounting seat
33 can follow the output shaft rotation of the second reductor 322 and then be rotated relative to bearing 32.Wherein, mounting seat 33 can-
Rotated between 90 °~90 ° in any range.Realize the regulation of the angle of pitch.
Further, the 3rd servomotor 331 and the 3rd reductor 332, the 3rd reductor 332 are provided with mounting seat 33
Input shaft be connected with the output shaft of the 3rd servomotor 331, the output shaft of the 3rd reductor 332 is detachably connected with installation
Disk 34.The mounting disc 34 can be used for removably installing emission source.Wherein, mounting disc 34 can between 0 °~360 ° random angle
Rotated in the range of degree.Realize the regulation of polarisation angles.
The alignment of antenna is extremely important to antenna measurement, thus the either alignment between the first turntable and the second turntable,
Alignment either between the first turntable and the second turntable, the present invention is using as above axle（XYZ）All allow to receive with motor pattern
End and transmitting terminal can complete high-accuracy point-to-point alignment by Electronic Control, and this has greatly for superelevation cross polarization test
Benefit.
In above-described embodiment, wherein, the first turntable 12 is optionally implemented as transmitting terminal or receiving terminal, correspondingly
Ground, the second turntable 13 is optionally implemented as receiving terminal or transmitting terminal, and the 3rd turntable 3 is optionally implemented as receiving terminal or transmitting
End.In other embodiments, the second turntable 13 and/or the quantity of the 3rd turntable 3 can be not limited only to one, and optionally lay many
It is individual.In the present invention, the first turntable 12 can generally be used as receiving terminal, and regard the second turntable 13, the 3rd turntable 3 as hair
Penetrate end to use, citing can possess the complete amplitude in 40~750GHz Compact Ranges source antenna and high-gain outfield source antenna
With phase pattern, cross polarization, gain and it is front and rear than etc. power of test.Certainly, in some other situations or demand, such as
Due to the first turntable 12 because structure is more complicated to have the problem of chaff is more, and then it regard the first turntable 12 as reception
It may introduce and disturb in indivedual frequencies during end, therefore the present invention allows and advises the first turntable 12 being changed into work from as receiving terminal
For transmitting terminal, correspondingly, the second turntable 13, the 3rd turntable 3 are changed into receiving terminal from as transmitting terminal, such user can be with constant
Contrast test can be completed by changing hardware and place, the error for effectively examining multipath reflection to bring, and lift antenna measurement precision.This hair
Bright also to provide a kind of test platform, the description for the test platform is referred to above, is no longer repeated one by one herein.
The high-accuracy antenna chamber internal field test system and its test platform of the present invention, has the advantages that：
By setting the first turntable 12 and the second turntable 13 on same base station 11, and the first turntable 12 can turn to first
Put the second turntable 13 of alignment and constitute the signal testing path all the way with the first measuring distance, or turn to second place alignment
The 3rd outside turntable 13, which constitutes another road, has the signal testing path of the second measuring distance, being capable of fast switch signal test
Path to the antenna of different wave length to carry out far field test, and its is simple in construction, easy to operate efficiently.
Embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize the present invention
Equivalent structure or equivalent flow conversion that specification and accompanying drawing content are made, or directly or indirectly it is used in other related technologies
Field, is included within the scope of the present invention.
Claims (10)
1. a kind of test platform, it is characterised in that including：
Base station, the first turntable and the second turntable；
The rotating mechanism that can be horizontally rotated in X-Y axial planes is equiped with the base station, first turntable is installed in described turn
On motivation structure, second turntable is fixedly arranged on the base station；
First turntable can horizontally rotate by the rotating mechanism in X-Y axial planes, when first turntable turns to
During one position, first turntable is directed at second turntable and constitutes the signal testing path all the way with the first measuring distance,
When first turntable turns to the second place, the 3rd turntable outside the first turntable alignment, which is constituted all the way, has second to survey
Try the signal testing path of distance；
Wherein, first turntable is optionally implemented as transmitting terminal or receiving terminal, correspondingly, and second turntable can
Selectively as receiving terminal or transmitting terminal.
2. test platform according to claim 1, it is characterised in that：
The first straight line travel mechanism that can be moved in X-direction, institute are provided between the rotating mechanism and first turntable
State the support of first straight line travel mechanism to be fixed on the rotating mechanism, first turret supports are fixed on the first straight line
In travel mechanism, by rotation of the rotating mechanism in X-Y axial planes, the first straight line travel mechanism can be moved to
The optional position of X-Y axial planes, and then drive first turntable is moved to the optional position of X-Y axial planes.
3. test platform according to claim 2, it is characterised in that：
The second straight line travel mechanism that can be moved in Z-direction, described the are fixed with the first straight line travel mechanism
One turret supports are fixed in the second straight line travel mechanism, and then first turntable can be moved in the second straight line
Moved under the drive of mechanism in Z-direction.
4. test platform according to claim 3, it is characterised in that：
The first straight line travel mechanism includes the first supporting plate, the first ball wire being rotationally connected with first supporting plate
Thick stick, the first nut slider for being sheathed on first ball-screw and the first servo electricity linked with first ball-screw
Machine；
The second straight line travel mechanism includes the second supporting plate, the second ball wire being rotationally connected with second supporting plate
Thick stick, the second nut slider for being sheathed on second ball-screw and the second servo electricity linked with second ball-screw
Machine；
The rotating mechanism includes the support base being arranged on the base station, the 3rd servomotor being arranged in the support base
The first reductor being connected with input shaft with the 3rd servo motor output shaft；
Fixed first supporting plate of output shaft support of first reductor, the first nut slider support is fixed described
Second supporting plate, second nut slider is connected first turntable.
5. test platform according to claim 3, it is characterised in that：
First turntable includes the first mounting seat, the first rotating unit and the first mounting disc；Described first installs seat supports
It is fixed in the second straight line travel mechanism, first rotating unit support is fixed in first mounting seat and can be
Rotated in the plane of X-Y axial planes, first rotating unit is fixedly connected and then driven with first mounting disc
First mounting disc is rotated in the plane perpendicular to X-Y axial planes；
Second turntable includes the second mounting seat, the second rotating unit and the second mounting disc；Described second installs seat supports
It is fixed on the support being connected with the base station, second rotating unit support is fixed in second mounting seat and can be
Rotated in the plane of X-Y axial planes, second rotating unit is fixedly connected and then driven with second mounting disc
Second mounting disc is rotated in the plane perpendicular to X-Y axial planes.
6. test platform according to claim 5, it is characterised in that：
First rotating unit is connected including the 4th servomotor and input shaft with the output shaft of the 4th servomotor
Second reductor, the 4th servomotor is mounted in first mounting seat, the output shaft of second reductor
It is connected with first mounting disc；
Second rotating unit is connected including the 5th servomotor and input shaft with the output shaft of the 5th servomotor
3rd reductor, the 5th servomotor is mounted in second mounting seat, the output shaft of the 3rd reductor
It is connected with second mounting disc.
7. test platform according to claim 1, it is characterised in that：
The 3rd linear moving mechanism that can be moved in X-direction is provided with the base station, the rotating mechanism support is fixed on
On 3rd linear moving mechanism；Wherein, the 3rd linear moving mechanism includes line slideway and is installed in the straight line
The sliding block moved on guide rail and on the line slideway, the rotating mechanism is installed on the sliding block.
8. test platform according to claim 1, it is characterised in that：
First measuring distance is less than or equal to 600mm, and second measuring distance is more than 600mm.
9. test platform according to claim 1, it is characterised in that：
The base station bottom is provided with multiple adjustable for height supporting parts for adjusting the base station balance.
10. a kind of high-accuracy antenna chamber internal field test system, it is characterised in that including as described in any one of claim 1~9
Possess the test platform of base station, the first turntable and the second turntable, in addition to the 3rd turntable；Being equiped with the base station can be in X-Y
The rotating mechanism that axial plane horizontally rotates, first turntable is installed on the rotating mechanism, and second turntable is fixedly arranged on
On the base station；
First turntable can horizontally rotate by the rotating mechanism in X-Y axial planes, when first turntable turns to
During one position, first turntable is directed at second turntable and constitutes the signal testing path all the way with the first measuring distance,
When first turntable turns to the second place, first turntable, which is directed at the 3rd turntable and constituted all the way, has the second test
The signal testing path of distance；
Wherein, first turntable is optionally implemented as transmitting terminal or receiving terminal, correspondingly, and second turntable can
Selectively as receiving terminal or transmitting terminal, the 3rd turntable is optionally implemented as receiving terminal or transmitting terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710540328.6A CN107290600B (en) | 2017-07-05 | 2017-07-05 | High-precision antenna indoor field test system and test platform thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710540328.6A CN107290600B (en) | 2017-07-05 | 2017-07-05 | High-precision antenna indoor field test system and test platform thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107290600A true CN107290600A (en) | 2017-10-24 |
| CN107290600B CN107290600B (en) | 2023-11-07 |
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Family Applications (1)
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| CN201710540328.6A Active CN107290600B (en) | 2017-07-05 | 2017-07-05 | High-precision antenna indoor field test system and test platform thereof |
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| CN109786925A (en) * | 2017-11-10 | 2019-05-21 | 千藏工业株式会社 | Antenna positioner, the system and method for measuring unnecessary electromagnetic radiation |
| CN113092883A (en) * | 2021-04-12 | 2021-07-09 | 中电科思仪科技股份有限公司 | System and method for testing non-principal plane aiming line error of antenna housing |
| CN114050870A (en) * | 2021-11-02 | 2022-02-15 | 杭州永谐科技有限公司西安分公司 | Changeable 5G test revolving stage |
| CN114966237A (en) * | 2022-06-16 | 2022-08-30 | 中国电子科技集团公司第五十四研究所 | Antenna far field test system based on wireless network bridge and test method thereof |
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