CN105510666A - Spherical scanning frame - Google Patents

Spherical scanning frame Download PDF

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Publication number
CN105510666A
CN105510666A CN201510961922.3A CN201510961922A CN105510666A CN 105510666 A CN105510666 A CN 105510666A CN 201510961922 A CN201510961922 A CN 201510961922A CN 105510666 A CN105510666 A CN 105510666A
Authority
CN
China
Prior art keywords
arc
scanning frame
spherical scanning
circular
shaped rail
Prior art date
Application number
CN201510961922.3A
Other languages
Chinese (zh)
Inventor
张斌
吴翔
寇鹏
任涛
冯晓宁
张航
王鲲飞
孙平月
Original Assignee
北京无线电计量测试研究所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京无线电计量测试研究所 filed Critical 北京无线电计量测试研究所
Priority to CN201510961922.3A priority Critical patent/CN105510666A/en
Publication of CN105510666A publication Critical patent/CN105510666A/en

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00 and G01R33/00 - G01R35/00
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00Investigating or analysing materials by the use of microwaves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08Measuring electromagnetic field characteristics
    • G01R29/10Radiation diagrams of antennas

Abstract

The invention discloses a spherical scanning frame comprising a first circular arc track, a second circular arc track and a circular arc moving component, wherein the circular arc moving component is used for vertically putting up the first circular arc track and the second circular arc track, and the first circular arc track and the second circular arc track are connected rigidly. Circular arc scanning movement with radius greater than 10m is realized, and the accuracy of large-radius arc scanning movement is improved.

Description

A kind of spherical scanning frame

Technical field

The application relates to antenna measurement field, particularly relates to a kind of spherical scanning frame.

Background technology

Spherical scanning frame is mainly used in the emitting antenna realized in antenna (cover) test macro and does spherical scanning motion in space, the indexs such as the pattern characteristics of receiving antenna and the wave transmission rate of antenna house are tested, the Performance Detection of complete twin aerial and antenna house is antenna (cover) is can visual plant in test macro.

Radius generally owing to doing spherical scanning motion in space is greater than large radius 10m, can be referred to as again large radius spherical scanning frame.

Large radius spherical scanning frame is as a kind of high precision special test equipment, and its core technology how to realize the motion of large radius spherical scanning.

In actual applications, because the motion of Spatial Sphere Surface scan is composited by two circular arc scanning motions, the circular arc scanning motion of common radius can adopt arc track to realize, but how realizing large radius arc motion accurately becomes technological difficulties.

Summary of the invention

In view of this, the embodiment of the present application provides a kind of spherical scanning frame, for solving in prior art the problem that cannot realize large radius arc motion accurately.

A kind of spherical scanning frame, comprising:

First arc-shaped rail, the second arc-shaped rail and circular motion parts, wherein, described circular motion parts, for building vertical with described second arc orbit for described first arc orbit and rigid attachment between described first arc-shaped rail and described second arc-shaped rail.

Preferably, described circular motion parts comprise circular arc track, arc-shaped rack, carrying slide plate, slide block mount pad, clearance elimination gear and circular arc pedestal.

Preferably, described arc-shaped rail to be arranged on described circular arc pedestal by line slide rail to obtain by applying preset pressure.

Preferably, described arc-shaped rack to be arranged on described circular arc pedestal by spur rack to obtain by applying preset pressure.

Preferably, described clearance elimination gear, eliminates the wheel space width be bent to form by spur rack for the gap mode that disappeared by side set, make zero stand-off transmission between rack and pinion.

Preferably, described spherical scanning frame also comprises: motor series connection worm-gear speed reducer, wherein:

Described motor series connection worm-gear speed reducer, for providing driving force to described clearance elimination gear.

Preferably, described slide block mount pad, for mounting guide rail slide block, and drives described carrying skateboarding.

The application's beneficial effect is as follows:

The spherical scanning frame that the embodiment of the present application proposes, comprise: the first arc-shaped rail, the second arc-shaped rail and circular motion parts, wherein, described circular motion parts, for building vertical with described second arc orbit for described first arc orbit and rigid attachment between described first arc-shaped rail and described second arc-shaped rail, the circular arc scanning motion that radius is greater than 10m can be realized, the precision of large radius arc scanning motion is improved.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme in the embodiment of the present application, below the accompanying drawing used required in describing embodiment is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

The structural representation of a kind of spherical scanning frame that Fig. 1 provides for the embodiment of the present application;

The perspective view (rear view) of the circular motion parts that Fig. 2 provides for the embodiment of the present application;

The perspective view (front view) of the circular motion parts that Fig. 3 provides for the embodiment of the present application.

Embodiment

In order to realize object of the present invention, embodiments provide a kind of spherical scanning frame, comprise: the first arc-shaped rail, the second arc-shaped rail and circular motion parts, wherein, described circular motion parts, for building vertical with described second arc orbit for described first arc orbit and rigid attachment between described first arc-shaped rail and described second arc-shaped rail, the circular arc scanning motion that radius is greater than 10m can be realized, the precision of large radius arc scanning motion is improved.

Be described in further detail each embodiment of the application below in conjunction with Figure of description, obviously, described embodiment is only a part of embodiment of the application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the application's protection.

The structural representation of a kind of spherical scanning frame that Fig. 1 provides for the embodiment of the present application.Described spherical scanning frame comprises:

First arc-shaped rail 11, second arc-shaped rail 12 and circular motion parts 13, wherein, described circular motion parts 13, for building vertical with described second arc orbit 12 for described first arc orbit 11 and rigid attachment between described first arc-shaped rail 11 and described second arc-shaped rail 12.

Such as: the direction of the first arc-shaped rail is horizontal direction, the direction of the second arc-shaped rail is vertical direction; Or the direction of the first arc-shaped rail is vertical direction, the direction of the second arc-shaped rail is horizontal direction.

Preferably, described circular motion parts 13 comprise circular arc track 131, arc-shaped rack 132, carrying slide plate 133, slide block mount pad 134, clearance elimination gear 135 and circular arc pedestal 136.

The perspective view (rear view) of the circular motion parts that Fig. 2 provides for the embodiment of the present application.

The perspective view (front view) of the circular motion parts that Fig. 3 provides for the embodiment of the present application.

Preferably, described arc-shaped rail 131 to be arranged on described circular arc pedestal 136 by line slide rail to obtain by applying preset pressure.

Like this, by applying preset pressure, ultrathin linear motion guide (can be referred to as slide rail again) is carried out prepressing deformation, and be mounted on circular arc pedestal 136, realize high accuracy circular arc rail plate.

It should be noted that, ultrathin linear motion guide in prepressing deformation process its deformation amount controlling within limit elastic range.

Preferably, described arc-shaped rack 132 to be arranged on described circular arc pedestal 136 by spur rack to obtain by applying preset pressure.

Preferably, described clearance elimination gear, eliminates the wheel space width be bent to form by spur rack for the gap mode that disappeared by side set, make zero stand-off transmission between rack and pinion.

Like this, realizing arc-shaped rack-gear drive by carrying out prepressing deformation to ultrathin spur rack in high precision arcuate base, compensating by clearance elimination gear the tooth pitch change that tooth bar brings due to arc-shaped deformation, ensureing the zero stand-off transmission of arc-shaped rack-gear.

Preferably, described spherical scanning frame also comprises: motor series connection worm-gear speed reducer, wherein:

Described motor series connection worm-gear speed reducer, for providing driving force to described clearance elimination gear.

Preferably, described slide block mount pad, for mounting guide rail slide block, and drives described carrying skateboarding.

In addition, the dimensional measurement of large radius spherical scanning frame and precision calibration method can be:

Laser tracker is used to carry out dimensional measurement and precision calibration to the output terminal of spherical scanning frame:

Each measurement 10 locus points on two single circular motion strokes, form the locus dot matrix of 10 × 10, and dot matrix are fitted to Spatial Sphere curved surface.To Correlative data analysis, draw the geometric parameter of ball curved surface and complete the demarcation of kinematic accuracy.

It will be understood by those skilled in the art that the embodiment of the application can be provided as method, device (equipment) or computer program.Therefore, the application can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the application can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disk memory, CD-ROM, optical memory etc.) of computer usable program code.

The application describes with reference to according to the process flow diagram of the method for the embodiment of the present application, device (equipment) and computer program and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can being provided to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computing machine or other programmable data processing device produce device for realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.

These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.

These computer program instructions also can be loaded in computing machine or other programmable data processing device, make on computing machine or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computing machine or other programmable devices is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.

Although described the preferred embodiment of the application, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the application's scope.

Obviously, those skilled in the art can carry out various change and modification to the application and not depart from the spirit and scope of the application.Like this, if these amendments of the application and modification belong within the scope of the application's claim and equivalent technologies thereof, then the application is also intended to comprise these change and modification.

Claims (7)

1. a spherical scanning frame, is characterized in that, comprising:
First arc-shaped rail, the second arc-shaped rail and circular motion parts, wherein, described circular motion parts, for building vertical with described second arc orbit for described first arc orbit and rigid attachment between described first arc-shaped rail and described second arc-shaped rail.
2. spherical scanning frame as claimed in claim 1, it is characterized in that, described circular motion parts comprise circular arc track, arc-shaped rack, carrying slide plate, slide block mount pad, clearance elimination gear and circular arc pedestal.
3. spherical scanning frame as claimed in claim 2, is characterized in that,
Described arc-shaped rail to be arranged on described circular arc pedestal by line slide rail to obtain by applying preset pressure.
4. spherical scanning frame as claimed in claim 2, is characterized in that,
Described arc-shaped rack to be arranged on described circular arc pedestal by spur rack to obtain by applying preset pressure.
5. spherical scanning frame as claimed in claim 4, is characterized in that,
Described clearance elimination gear, eliminates the wheel space width be bent to form by spur rack for the gap mode that disappeared by side set, make zero stand-off transmission between rack and pinion.
6. spherical scanning frame as claimed in claim 5, it is characterized in that, described spherical scanning frame also comprises: motor series connection worm-gear speed reducer, wherein:
Described motor series connection worm-gear speed reducer, for providing driving force to described clearance elimination gear.
7. spherical scanning frame as claimed in claim 2, is characterized in that,
Described slide block mount pad, for mounting guide rail slide block, and drives described carrying skateboarding.
CN201510961922.3A 2015-12-18 2015-12-18 Spherical scanning frame CN105510666A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510961922.3A CN105510666A (en) 2015-12-18 2015-12-18 Spherical scanning frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510961922.3A CN105510666A (en) 2015-12-18 2015-12-18 Spherical scanning frame

Publications (1)

Publication Number Publication Date
CN105510666A true CN105510666A (en) 2016-04-20

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Country Link
CN (1) CN105510666A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106291130A (en) * 2016-07-29 2017-01-04 昆山瀚德通信科技有限公司 A kind of near field antenna measurements method of arbitrary surface scanning
CN107154525A (en) * 2016-12-05 2017-09-12 浙江龙游新西帝电子有限公司 A kind of suspension type digital television receiver antenna
CN107462779A (en) * 2017-06-30 2017-12-12 上海卫星工程研究所 Phase of cable error measuring means and its method of testing between microwave imaging satellite plate

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6661388B2 (en) * 2002-05-10 2003-12-09 The Boeing Company Four element array of cassegrain reflector antennas
CN201141876Y (en) * 2008-01-18 2008-10-29 陕西飞机工业(集团)有限公司 Spherical scanning rotation bracket of electromagnetic compatibility experiment
CN103323685A (en) * 2013-07-16 2013-09-25 南京顺仕祥电子有限公司 Antenna plane near-field test scanner
CN103873751A (en) * 2014-03-28 2014-06-18 陈维龙 Three-dimensional panoramic scanning device and three-dimensional module generating method
CN104390111A (en) * 2014-11-14 2015-03-04 江苏苏力机械集团有限公司 Spherical moving device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6661388B2 (en) * 2002-05-10 2003-12-09 The Boeing Company Four element array of cassegrain reflector antennas
CN201141876Y (en) * 2008-01-18 2008-10-29 陕西飞机工业(集团)有限公司 Spherical scanning rotation bracket of electromagnetic compatibility experiment
CN103323685A (en) * 2013-07-16 2013-09-25 南京顺仕祥电子有限公司 Antenna plane near-field test scanner
CN103873751A (en) * 2014-03-28 2014-06-18 陈维龙 Three-dimensional panoramic scanning device and three-dimensional module generating method
CN104390111A (en) * 2014-11-14 2015-03-04 江苏苏力机械集团有限公司 Spherical moving device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106291130A (en) * 2016-07-29 2017-01-04 昆山瀚德通信科技有限公司 A kind of near field antenna measurements method of arbitrary surface scanning
CN107154525A (en) * 2016-12-05 2017-09-12 浙江龙游新西帝电子有限公司 A kind of suspension type digital television receiver antenna
CN107154525B (en) * 2016-12-05 2019-04-05 浙江龙游新西帝电子有限公司 A kind of suspension type digital television receiver antenna
CN107462779A (en) * 2017-06-30 2017-12-12 上海卫星工程研究所 Phase of cable error measuring means and its method of testing between microwave imaging satellite plate
CN107462779B (en) * 2017-06-30 2020-01-24 上海卫星工程研究所 Testing method of device for measuring phase error of cable between microwave imaging satellite boards

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Application publication date: 20160420

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