CN201229398Y - Automatic positioning device for calibrating homogeneity of portable anechoic enclosure - Google Patents
Automatic positioning device for calibrating homogeneity of portable anechoic enclosure Download PDFInfo
- Publication number
- CN201229398Y CN201229398Y CNU2008201274691U CN200820127469U CN201229398Y CN 201229398 Y CN201229398 Y CN 201229398Y CN U2008201274691 U CNU2008201274691 U CN U2008201274691U CN 200820127469 U CN200820127469 U CN 200820127469U CN 201229398 Y CN201229398 Y CN 201229398Y
- Authority
- CN
- China
- Prior art keywords
- horizontal
- vertical
- automatic positioning
- anechoic chamber
- positioning equipment
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model provides a portable automatic locating device for calibrating the uniformity of an anechoic enclosure, which comprises a horizontal mechanism part and a vertical mechanism part, wherein the vertical mechanism part is positioned above the horizontal mechanism part, and the vertical mechanism part is driven to horizontally move by a horizontal synchronous belt, the vertical mechanism comprises the following parts: first, a vertical mechanism, second, a driving part, third, a FET probe mounting part. The horizontal mechanism part is connected through adopting a cone pin and can be dismounted into two parts, which reduces the dimension in the horizontal direction, and the vertical mechanism is pivoted by a hinge, which can be folded and reduces the dimension in the vertical direction.
Description
Technical field
The utility model relates to the electromagnetic field technical field of measurement and test, particularly a kind of automatic positioning equipment of portable anechoic chamber, homogeneity calibration.
Background technology
In order to examine instrument and equipment, formulated the IEC61000-4-3 standard in the world to the antijamming capability that radio frequency electromagnetic field disturbs.China also requires to have included in national compulsory product certification scope with the Electro Magnetic Compatibility of product, national regulation from May 1st, 2003 all product unauthenticated of listing national compulsory product certification catalogue in must not dispatch from the factory, import and sale.
Anechoic chamber, be first-elected in the Electro Magnetic Compatibility standard series also be the test site that is widely used at present.In China, the testing laboratory and the producer that have anechoic chamber, are a lot of at present.Full and uniform in order to ensure around the test specimen with warranty test result's validity, need be tested, calibrate the homogeneity in place etc.
By the calibration steps among standard GB/T07626.3-2006 (IEC 61000-4-3:2002),, successively each point (as Fig. 1) of 16 grid points is calibrated by a Field probe of calibrating.Evenly the territory is the vertical plane of an imagination field, is 1.5m * 1.5m.
Owing to need 16 points are calibrated in the calibration, and in calibrating continuously,, in calibration, do not allow personnel's direct moving field probe in anechoic chamber, for fear of the influence of electromagnetic radiation to personnel.Therefore, need an automatic positioning equipment and automatically, exactly Field probe is navigated among the figure any point in 16 grid points by the intention of calibration personnel.
At present, the test frame of the domestic collimation technique normal 1.5m * 1.5m that is that uses of mechanism.Behind the intact point of every calibration, just stop testing apparatus, moving field probe manually, recalibrate down a bit again.Also have minority collimation technique mechanism to use automatic positioning equipment, but the apparatus structure size is big, Heavy Weight, is inconvenient to carry.
The utility model content
The purpose of this utility model is to overcome the shortcoming of prior art, and a kind of automatic positioning equipment of portable anechoic chamber, homogeneity calibration is provided.
Anechoic chamber, is the main place of carrying out electromagnetic compatibility test.The homogeneity of field is one of important performance of anechoic chamber.This device is exactly the automatic positioning equipment that is used for the calibration of anechoic chamber, homogeneity.
Device of the present utility model, is calibrated each point (as Fig. 1) of 16 grid points by a Field probe of calibrating successively by the calibration steps among standard GB/T07626.3-2006 (IEC 61000-4-3:2002).Evenly the territory is the vertical plane of an imagination field, is 1.5m * 1.5m.
A kind of automatic positioning equipment of portable anechoic chamber, homogeneity calibration, comprise horizontal mechanism part and vertical mechanism part, vertical mechanism partly is positioned on the horizontal mechanism part, drives the vertical mechanism part of horizontal by the horizontal synchronization band and moves, and vertical mechanism partly comprises: 1) vertical mechanism; 2) drive part; 3) Field probe installing component.
Described horizontal mechanism partly comprises horizontal synchronization band left side stiff end, the pin awl, and the right stiff end of horizontal synchronization band, base plate, horizontal synchronization band left side stiff end is positioned at the horizontal mechanism high order end.The right stiff end of horizontal synchronization band is positioned at the horizontal mechanism low order end.
Described base plate is divided into two base plates.
Described two base plates by two pin awls connect, fixing, device deposit, two base plates can be taken apart when transporting, and a band stiff end is synchronously arranged respectively on two base plates, are used for horizontal direction band fixing synchronously.
Described 1) vertical mechanism; Vertical panel is fixed on the drive part, vertical panel and vertical panel are hinged by hinge, vertical panel is collapsible, vertical direction is used for vertical direction fixing of band synchronously with stiff end synchronously, roller (13) is used to reduce vertical mechanism part and horizontal mechanism friction partly, makes tangential movement steadily fixed.
Described 2) drive part; Two dc stepper motors of drive part are installed in the drive part, and drive part only moves in the horizontal direction.
Described 3) Field probe installing component; The Field probe installing component is fixed on vertical direction and is with synchronously, on the probe installing component Field probe is installed.
A kind of control device of automatic positioning equipment of portable anechoic chamber, homogeneity calibration, comprise host computer, slave computer, dc stepper motor, position switch sensor, host computer and slave computer are interconnected, slave computer is connected to dc stepper motor, and the position switch sensor feedback is connected to slave computer.
Described host computer is taked computer control, slave computer takes the PLC Programmable Logic Controller to control, host computer and slave computer are taked serial communication, the steering order of host computer sends to the PLC of slave computer through serial ports, PLC is the steering order of dc stepper motor with instruction transformation, the rotation of control dc stepper motor.
The beneficial effects of the utility model are:
The utility model is in order to reach in light weight, easy disassembly, and the little purpose of general structure size is taked special structure design and driving mechanism when carrying.
1) level and vertical mechanism part can dismounting, deposits, can reduce storage space when transporting;
2) horizontal mechanism partly takes the pin awl to connect, and can split into two parts, has reduced the size of horizontal direction;
3) vertical mechanism is hinged with hinge, can fold, and has reduced the size of vertical direction;
4) driving mechanism is taked dc stepper motor and band transmission synchronously, and horizontal direction, vertical direction are respectively with a direct current stepper motor and a synchronous band; Band is nonmetallic materials synchronously, can roll up when tearing open, easily recovers and do not influence positional accuracy during dress;
5) in the topology layout,, all be positioned at the bottom of structure, guarantee the stable of total though two dc stepper motors can move in the horizontal direction.
Description of drawings
Fig. 1 is by the calibration steps in the national standard, the synoptic diagram of 16 grid points.
Fig. 2 is the horizontal mechanism synoptic diagram of the automatic positioning equipment of portable anechoic chamber, homogeneity calibration.
Fig. 3 is the vertical mechanism synoptic diagram of the automatic positioning equipment of portable anechoic chamber, homogeneity calibration.
Fig. 4 is the control circuit figure of the automatic positioning equipment of portable anechoic chamber, homogeneity calibration.
Embodiment
Fig. 1 is by the calibration steps in the national standard, the synoptic diagram of 16 grid points.
Calibration steps among standard GB/T07626.3-2006 (IEC 61000-4-3:2002) by a Field probe of calibrating, is calibrated each point of 16 grid points successively.Evenly the territory is the vertical plane of an imagination field, is 1.5m * 1.5m.
Fig. 2 is the horizontal mechanism synoptic diagram of the automatic positioning equipment of portable anechoic chamber, homogeneity calibration.
The part of horizontal mechanism shown in the figure.Wherein, horizontal synchronization band left side stiff end 1, pin awl 2, the right stiff end 3 of horizontal synchronization band, base plate 4 is divided into two base plates, i.e. base plate 1 and base plate 2.
Horizontal synchronization band left side stiff end 1 is positioned at the horizontal mechanism high order end.The right stiff end 3 of horizontal synchronization band is positioned at the horizontal mechanism low order end.
Base plate 1 is connected, fixes by two pin awls 2 with base plate 2.Device deposit, base plate 1,2 can be taken apart when transporting.A band stiff end is synchronously arranged respectively on the base plate 1,2, be used for horizontal direction fixing of band synchronously.
Fig. 3 is the vertical mechanism synoptic diagram of the automatic positioning equipment of portable anechoic chamber, homogeneity calibration.
Vertical mechanism partly comprises: 1) vertical mechanism; 2) drive part; 3) Field probe installing component.
1) vertical mechanism comprises;
During the work of horizontal direction drive motor, vertical mechanism part along continuous straight runs is with 5 to roll on base plate synchronously.In vertical direction drive motor when work,, a control installing component 11 moves up and down under synchronously with 10 drive in vertical direction.
2) drive part;
For the center of gravity that reduces device, the stability that improves device, in the layout of entire mechanism, two dc stepper motors are installed in the parts (drive part 12), and on the kind of drive, consider to make drive part only move in the horizontal direction.
Horizontal direction is with 5 fixing not move synchronously, and the horizontal direction dc stepper motor rotates and drives whole vertical mechanism part of horizontal and move.When the vertical direction dc stepper motor rotates, make vertical direction be with 10 to move synchronously, also just make to be fixed on vertical direction and to move with the Field probe installing component 11 on 10 synchronously.
3) Field probe installing component;
Field probe installing component 11 is fixed on vertical direction and is with synchronously on 10, on probe installing component 11 Field probe 14 is installed.Since 16 grid points overhead distance all greater than 0.8m, so in design, make Field probe 14 mounting portions size in vertical direction guarantee that the Field probe ground height is about 0.65m.Can reduce the vertical direction shift motion like this, make the size of vertical panel 6,8 short as far as possible.
Fig. 4 is the control circuit figure of the automatic positioning equipment of portable anechoic chamber, homogeneity calibration.
The control section of the automatic positioning equipment of portable anechoic chamber, homogeneity calibration, comprise host computer 15, slave computer 16, dc stepper motor 17, position switch sensor 18, host computer 15 is interconnected with slave computer 16, slave computer 16 is connected to dc stepper motor 17, and position switch sensor 18 feedbacks are connected to slave computer 16.
Claims (9)
1, a kind of automatic positioning equipment of portable anechoic chamber, homogeneity calibration, comprise horizontal mechanism part and vertical mechanism part, it is characterized in that, vertical mechanism partly is positioned on the horizontal mechanism part, drive the vertical mechanism part of horizontal by the horizontal synchronization band and move, vertical mechanism partly comprises: 1) vertical mechanism; 2) drive part; 3) Field probe installing component.
2, the automatic positioning equipment of portable anechoic chamber, homogeneity calibration according to claim 1, it is characterized in that, described horizontal mechanism partly comprises horizontal synchronization band left side stiff end (1), pin awl (2), the right stiff end (3) of horizontal synchronization band, base plate (4), horizontal synchronization band left side stiff end (1) is positioned at the horizontal mechanism high order end.The right stiff end of horizontal synchronization band (3) is positioned at the horizontal mechanism low order end.
3, the automatic positioning equipment of portable anechoic chamber, homogeneity calibration according to claim 2 is characterized in that described base plate (4) is divided into two base plates, i.e. base plate (1) and base plate (2).
4, the automatic positioning equipment of portable anechoic chamber, homogeneity calibration according to claim 3, it is characterized in that, described two base plates, be that base plate (1) is connected, fixes by two pin awls (2) with base plate (2), device deposit, base plate (1), (2) can be taken apart when transporting, a band stiff end is synchronously arranged respectively on base plate (1), (2), be used for horizontal direction fixing of band synchronously.
5, the automatic positioning equipment of portable anechoic chamber, homogeneity calibration according to claim 1 is characterized in that described 1) vertical mechanism; Vertical panel (6) is fixed on the drive part (12), vertical panel (6) is hinged by hinge (7) with vertical panel (8), vertical panel (8) is collapsible, vertical direction is used for vertical direction fixing with (10) synchronously with (10) stiff end synchronously, roller (13) is used to reduce vertical mechanism part and horizontal mechanism friction partly, makes tangential movement steadily fixed.
6, the automatic positioning equipment of portable anechoic chamber, homogeneity calibration according to claim 1 is characterized in that described 2) drive part; Two dc stepper motors be installed in the drive part (12), drive part only moves in the horizontal direction.
7, the automatic positioning equipment of portable anechoic chamber, homogeneity calibration according to claim 1 is characterized in that described 3) the Field probe installing component; Field probe installing component (11) is fixed on vertical direction and is with synchronously on (10), on probe installing component (11) Field probe (14) is installed.
8, a kind of control device of automatic positioning equipment of portable anechoic chamber, homogeneity calibration, comprise host computer (15), slave computer (16), dc stepper motor (17), position switch sensor (18), it is characterized in that, host computer (15) is interconnected with slave computer (16), slave computer (16) is connected to dc stepper motor (17), and position switch sensor (18) feedback is connected to slave computer (16).
9, the automatic positioning equipment of portable anechoic chamber, homogeneity calibration according to claim 8, it is characterized in that, described host computer (15) is taked computer control, slave computer (16) takes the PLC Programmable Logic Controller to control, host computer (15) and slave computer (16) are taked serial communication, the steering order of host computer (15) sends to the PLC of slave computer (16) through serial ports, and PLC is the steering order of dc stepper motor with instruction transformation, the rotation of control dc stepper motor (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201274691U CN201229398Y (en) | 2008-07-23 | 2008-07-23 | Automatic positioning device for calibrating homogeneity of portable anechoic enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201274691U CN201229398Y (en) | 2008-07-23 | 2008-07-23 | Automatic positioning device for calibrating homogeneity of portable anechoic enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201229398Y true CN201229398Y (en) | 2009-04-29 |
Family
ID=40634342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201274691U Expired - Fee Related CN201229398Y (en) | 2008-07-23 | 2008-07-23 | Automatic positioning device for calibrating homogeneity of portable anechoic enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201229398Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830289A (en) * | 2012-08-27 | 2012-12-19 | 北京无线电计量测试研究所 | Novel system for quickly calibrating field uniformity of transient electromagnetic field |
| CN104793163A (en) * | 2014-12-26 | 2015-07-22 | 中国舰船研究设计中心 | Method for automatically calibrating the field intensity distribution characteristics of electromagnetic reverberation chamber |
| CN106054099A (en) * | 2016-05-19 | 2016-10-26 | 北京小米移动软件有限公司 | Darkroom calibration method and device, and electronic device |
-
2008
- 2008-07-23 CN CNU2008201274691U patent/CN201229398Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830289A (en) * | 2012-08-27 | 2012-12-19 | 北京无线电计量测试研究所 | Novel system for quickly calibrating field uniformity of transient electromagnetic field |
| CN102830289B (en) * | 2012-08-27 | 2014-09-17 | 北京无线电计量测试研究所 | Novel system for quickly calibrating field uniformity of transient electromagnetic field |
| CN104793163A (en) * | 2014-12-26 | 2015-07-22 | 中国舰船研究设计中心 | Method for automatically calibrating the field intensity distribution characteristics of electromagnetic reverberation chamber |
| CN106054099A (en) * | 2016-05-19 | 2016-10-26 | 北京小米移动软件有限公司 | Darkroom calibration method and device, and electronic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207408551U (en) | The detecting tool of PCBA board | |
| CN101750546B (en) | Self-adaptive scanning device with electromagnetic compatibility for near-field test | |
| CN201229398Y (en) | Automatic positioning device for calibrating homogeneity of portable anechoic enclosure | |
| CN201681125U (en) | Electromagnetic compatibility adaptive scanning device for test of near field | |
| CN103728585A (en) | Device and method for testing noise immunity of power frequency magnetic field of electric energy meter | |
| CN103207361A (en) | Light-emitting diode (LED) testing device | |
| CN103824484A (en) | Electromechanics comprehensive experimental training table | |
| CN102967772B (en) | Two-dimension full automatic electromagnetic field distribution testing system | |
| CN103852604A (en) | Novel online LED power test device | |
| CN201892895U (en) | Reinforced portable board-card testing computer | |
| CN203164388U (en) | Online LED power supply test device | |
| CN205562787U (en) | Full -automatic three -phase watt -hour meter calibrating | |
| CN204903371U (en) | Modularization rock core spectrum scanner | |
| CN203414585U (en) | Full-automatic scanning testing device and testing system for electric energy meter power frequency magnetic field | |
| CN108414964A (en) | A kind of digitalized electric energy metering movable detecting platform and in-situ check and test method | |
| CN208506158U (en) | A kind of suspension type testing for electrical equipment device | |
| CN207834915U (en) | Adjusting apparatus for withdraw-type switch cabinet | |
| CN202133742U (en) | Rotation tester for electronic product | |
| CN208422886U (en) | Solar simulator calibrating installation and crystal silicon component positioning device | |
| CN206348392U (en) | A kind of capacitor and inductor automatic trim system | |
| CN217008041U (en) | Energy controller function test device | |
| CN106707068B (en) | PTTO AC/DC automatic testing device | |
| CN107560832A (en) | Measuring system and the method for measuring d-cinema projectors optical parametric | |
| CN218601109U (en) | Low concentration smoke and dust automatic test appearance | |
| CN208984213U (en) | Laptop light-sensing function test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20140723 |
|
| EXPY | Termination of patent right or utility model |