CN207036972U - A kind of electromagnetic compatibility laboratory antenna crane - Google Patents
A kind of electromagnetic compatibility laboratory antenna crane Download PDFInfo
- Publication number
- CN207036972U CN207036972U CN201720577381.9U CN201720577381U CN207036972U CN 207036972 U CN207036972 U CN 207036972U CN 201720577381 U CN201720577381 U CN 201720577381U CN 207036972 U CN207036972 U CN 207036972U
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- antenna
- conveyer belt
- crane
- fluctuating orbit
- servo motor
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Abstract
It the utility model is related to a kind of electromagnetic compatibility laboratory antenna crane, including crane pedestal, servo motor B is provided with crane pedestal, the outside of servo motor B is provided with servo motor B shield shell, crane pedestal is provided with vertical antenna fluctuating orbit, antenna fluctuating orbit is provided with conveyer belt, conveyer belt is provided with elevating table device, elevating table device is provided with antenna assembly, servo motor B drives conveyer belt to drive elevating table device to move up and down along antenna fluctuating orbit, and elevating table device adjusts the high and low position of antenna assembly.The utility model reduces the electromagnetic radiation of motor using shield shell, has the characteristics of electromagnetic radiation that electromagnetic radiation is small, prevents motor itself produces deviation effects to experimental result.
Description
Technical field
A kind of antenna crane is the utility model is related to, more particularly to a kind of crane for antenna, belongs to survey
Measure positioning field.
Background technology
Emc testing EMC (Electro Magnetic Compatibility) refers to equipment or system in its electricity
The operation that met the requirements in magnetic environment does not produce the ability of intolerable electromagnetic interference to any equipment in its environment.EMC
Design is complementary with EMC tests, and the quality of EMC designs will be weighed by EMC tests.Only in product
EMC compatibility evaluation and assessment is carried out in the overall process that EMC is designed and developed, could have found that it is likely that existing electromagnetism is done early
Disturb, and take necessary suppression and safeguard procedures, so that it is guaranteed that the Electro Magnetic Compatibility of system.The electromagnetic compatibility experiment of holonomic system
Room generally comprises anechoic chamber, and the class of screened room two.Anechoic chamber, is the field for carrying out radiation-emitting experiment and radiation immunity experiment
Institute.According to measuring distance, it is divided into three meters of method darkrooms, ten meters of method darkrooms.Ten meters refer to product to be tested (following letter with three meters of implication
Claim EUT) apart from the distance of antenna.Ten meters of method darkrooms are generally ten meters of method semi-anechoic chambers, refer in addition to ground other five
Face is all the confined space for having laid absorbing material, and ground is Metal ground, can simulate unreflected open place.Ten meters of methods
Semi-anechoic chamber can carry out radiation-emitting experiment and radiation immunity experiment, and the EMC test such as shield effectiveness experiment.
The measurement accuracy of electromagnetic compatibility test is heavily dependent on the feature accuracy and RF noise levels of alignment system, positioning
Device includes turntable and antenna lift.Existing antenna lift uses common brushless electric machine to drive, and precision substantially can only
± 1cm is maintained, skew occurs using position after a period of time, origin is returned and deviation also occurs, and without any radiation
Shielding measure.
Utility model content
The utility model electromagnetic compatibility laboratory antenna crane discloses new scheme, and motor is reduced using shield shell
Electromagnetic radiation, solve the problems, such as existing scheme without any radiation shield measure.
The utility model electromagnetic compatibility laboratory antenna crane includes crane pedestal, and servo is provided with crane pedestal
Motor B, the outside of servo motor B are provided with servo motor B shield shell, and crane pedestal is provided with vertical antenna lift rail
Road, antenna fluctuating orbit are provided with conveyer belt, and conveyer belt is provided with elevating table device, and elevating table device is provided with antenna assembly,
Servo motor B drives conveyer belt to drive elevating table device to move up and down along antenna fluctuating orbit, elevating table device regulation antenna
The high and low position of device.
Further, the output driving wheel of the servo motor B of this programme is matched somebody with somebody with the lifting driven pulley at the top of antenna fluctuating orbit
Closing driving conveyer belt drives elevating table device to move up and down.
Further, the elevating table device of this programme includes elevator chamber, and elevator chamber is provided with fluctuating orbit passage, fluctuating orbit
Antenna fluctuating orbit is provided with passage, the top of elevator chamber is fixedly connected with one end of conveyer belt, the bottom of elevator chamber and transmission
The other end of band is fixedly connected, and elevator chamber is done under the pulling function of conveyer belt by fluctuating orbit passage along antenna fluctuating orbit
Elevating movement.
Further, loading crossbeam is equipped with the elevator chamber of this programme, loading crossbeam is located on the part inside elevator chamber
Provided with loading crossbeam driven gear, crossbeam-rotating motor is provided with elevator chamber, the output end driving wheel of crossbeam-rotating motor is with carrying
Thing crossbeam driven gear forms gear drive connection, and crossbeam-rotating motor driving loading crossbeam rotates about the axis.
Further, the bottom of the crane pedestal of this programme is provided with universal wheel unit, and universal wheel unit includes " ten " font
Wheel carrier, universal wheel component is respectively equipped with four angles end of " ten " font wheel carrier.
Further, the electromagnetic compatibility laboratory antenna crane of this programme also includes intelligent elevated control device, and intelligence rises
Dropping control device includes man-machine interaction end, PLC module, motor control module, conveyer belt transmission stroke acquisition module, PLC module
The lifting travel information that the transmission of stroke acquisition module is transmitted according to conveyer belt passes through motor control module keying servo motor B, behaviour
Make personnel and information is exchanged with PLC module by man-machine interaction end.
The utility model electromagnetic compatibility laboratory antenna crane reduces the electromagnetic radiation of motor using shield shell, has
Electromagnetic radiation is small, prevents the characteristics of electromagnetic radiation of motor itself is to experimental result generation deviation effects.
Brief description of the drawings
Fig. 1 is that the local of the utility model antenna crane omits schematic diagram.
Wherein, 310 be crane pedestal, and 322 be servo motor B shield shell, and 331 be antenna fluctuating orbit, and 332 be to pass
Band is sent, 341 be elevator chamber, and 342 be loading crossbeam, and 352 be universal wheel component.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in figure 1, the schematic diagram of the utility model electromagnetic compatibility laboratory antenna crane.Electromagnetic compatibility laboratory day
Line crane includes crane pedestal, is provided with servo motor B in crane pedestal, the outside of servo motor B is provided with servo motor B
Shield shell, crane pedestal are provided with vertical antenna fluctuating orbit, and antenna fluctuating orbit is provided with conveyer belt, on conveyer belt
Provided with elevating table device, elevating table device is provided with antenna assembly, and servo motor B drives conveyer belt to be driven along antenna fluctuating orbit
Elevating table device moves up and down, and elevating table device adjusts the high and low position of antenna assembly.Such scheme is subtracted using shield shell
The electromagnetic radiation of few motor, by controlling servo motor B that to the height set, lifting of lifting table is improved into device altitude location
Precision.
Based on above scheme, this programme be further improved with detailed-oriented design, performance in the following areas, such as Fig. 1
It is shown.In order to realize the drive connection between servo motor B and lifting platform, the output driving wheel and day of the servo motor B of this programme
Lifting driven pulley at the top of line fluctuating orbit coordinates driving conveyer belt to drive elevating table device to move up and down.In order that it must lift
Can be good fit between platform and fluctuating orbit, lifting platform lifts along straight line, and the elevating table device of this programme includes elevator chamber, lifting
Case is provided with fluctuating orbit passage, and antenna fluctuating orbit, the top of elevator chamber and the one of conveyer belt are provided with fluctuating orbit passage
End is fixedly connected, and the bottom of elevator chamber is fixedly connected with the other end of conveyer belt, and elevator chamber leads under the pulling function of conveyer belt
Fluctuating orbit passage is crossed to move up and down along antenna fluctuating orbit.In order to extend the function of elevator chamber, this programme is on elevator chamber
Loading crossbeam is equipped with, the part that loading crossbeam is located inside elevator chamber is provided with loading crossbeam driven gear, set in elevator chamber
There is crossbeam-rotating motor, output end driving wheel and the loading crossbeam driven gear of crossbeam-rotating motor form gear drive and are connected,
Crossbeam-rotating motor driving loading crossbeam rotate about the axis, it is achieved thereby that on loading crossbeam antenna angular adjustment.For side
Just move, the bottom of the crane pedestal of this programme is provided with universal wheel unit, and universal wheel unit includes " ten " font wheel carrier, " ten "
Universal wheel component is respectively equipped with four angles end of font wheel carrier.In order to realize the height of accurate control camera, avoid larger
Position error, this programme also discloses intelligent elevated control device, and intelligent elevated control device includes man-machine interaction end, PLC
Module, motor control module, conveyer belt transmission stroke acquisition module, PLC module transmit stroke acquisition module according to conveyer belt and sent out
The lifting travel information sent opens and closes servo motor B by motor control module, and operating personnel pass through man-machine interaction end and PLC module
Exchange information.
This programme discloses a kind of electromagnetic compatibility laboratory antenna crane, and using Servo motor drive control, precision can
To reach ± 0.5cm, and position can be realized by encoder Real-time Feedback to controller and be precisely controlled angle, return origin
It is error free, current location can be also remembered after power-off, does not influence to continue to test, crane precision greatly improves, servomotor communication
It is required that higher, being needed in control program, which increases each step, confirms feedback action, and a large amount of calculating, mould are done when PLC program writes
Intend and put into practice.Based on above feature, the electromagnetic compatibility laboratory antenna crane of this programme has substance compared to existing product
Feature and progress.
The electromagnetic compatibility laboratory antenna crane of this programme is not limited to the content disclosed in embodiment, implements
The technical scheme occurred in example can be extended based on the understanding of those skilled in the art, and those skilled in the art are according to this programme
The simple alternative made with reference to common knowledge falls within the scope of this programme.
Claims (6)
1. a kind of electromagnetic compatibility laboratory antenna crane, it is characterized in that including crane pedestal, set in the crane pedestal
There is servo motor B, the outside of the servo motor B is provided with servo motor B shield shell, and the crane pedestal is provided with vertical
Antenna fluctuating orbit, the antenna fluctuating orbit is provided with conveyer belt, and the conveyer belt is provided with elevating table device, the liter
Drop table apparatus is provided with antenna assembly, and the servo motor B is driven described in the conveyer belt along antenna fluctuating orbit drive
Elevating table device moves up and down, the high and low position of the elevating table device regulation antenna assembly.
2. electromagnetic compatibility laboratory antenna crane according to claim 1, it is characterised in that the servo motor B
Export driving wheel coordinates the driving conveyer belt to drive the lifting platform with the lifting driven pulley at the top of the antenna fluctuating orbit
Device moves up and down.
3. electromagnetic compatibility laboratory antenna crane according to claim 2, it is characterised in that the elevating table device bag
Elevator chamber is included, the elevator chamber is provided with fluctuating orbit passage, the antenna fluctuating orbit is provided with the fluctuating orbit passage,
The top of the elevator chamber is fixedly connected with one end of the conveyer belt, and the bottom of the elevator chamber is another with the conveyer belt
End is fixedly connected, and the elevator chamber is under the pulling function of the conveyer belt by the fluctuating orbit passage along the antenna liter
Drop track moves up and down.
4. electromagnetic compatibility laboratory antenna crane according to claim 3, it is characterised in that worn on the elevator chamber
There is loading crossbeam, the part that the loading crossbeam is located inside the elevator chamber is provided with loading crossbeam driven gear, the liter
Crossbeam-rotating motor, the output end driving wheel of the crossbeam-rotating motor and the loading crossbeam driven tooth wheel shape are provided with drop case
Connected into gear drive, the crossbeam-rotating motor drives the loading crossbeam to rotate about the axis.
5. electromagnetic compatibility laboratory antenna crane according to claim 1, it is characterised in that the crane pedestal
Bottom is provided with universal wheel unit, and the universal wheel unit includes " ten " font wheel carrier, four angles end of " ten " the font wheel carrier
Under be respectively equipped with universal wheel component.
6. electromagnetic compatibility laboratory antenna crane according to claim 1, it is characterised in that the electromagnetic compatibility experiment
Room antenna crane also includes intelligent elevated control device, and the intelligent elevated control device includes man-machine interaction end, PLC moulds
Block, motor control module, conveyer belt transmission stroke acquisition module, the PLC module transmit stroke according to the conveyer belt and gathered
The lifting travel information that module is sent opens and closes the servo motor B by the motor control module, and operating personnel pass through described
Man-machine interaction end exchanges information with the PLC module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720577381.9U CN207036972U (en) | 2017-05-23 | 2017-05-23 | A kind of electromagnetic compatibility laboratory antenna crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720577381.9U CN207036972U (en) | 2017-05-23 | 2017-05-23 | A kind of electromagnetic compatibility laboratory antenna crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207036972U true CN207036972U (en) | 2018-02-23 |
Family
ID=61480610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720577381.9U Active CN207036972U (en) | 2017-05-23 | 2017-05-23 | A kind of electromagnetic compatibility laboratory antenna crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207036972U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762668A (en) * | 2020-07-28 | 2020-10-13 | 北京瑞华新科科技有限公司 | Telescopic lifting device, lifting structure and lifting method |
| CN112114210A (en) * | 2020-08-12 | 2020-12-22 | 欧陆电子电器检测服务(深圳)有限公司 | Product electromagnetic compatibility test system |
| CN116449062A (en) * | 2023-06-16 | 2023-07-18 | 江苏北斗信创科技发展有限公司 | Beidou antenna test fixture device |
-
2017
- 2017-05-23 CN CN201720577381.9U patent/CN207036972U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762668A (en) * | 2020-07-28 | 2020-10-13 | 北京瑞华新科科技有限公司 | Telescopic lifting device, lifting structure and lifting method |
| CN111762668B (en) * | 2020-07-28 | 2023-12-22 | 北京雅利多创新科技有限公司 | Telescopic lifting device, lifting structure and lifting method |
| CN112114210A (en) * | 2020-08-12 | 2020-12-22 | 欧陆电子电器检测服务(深圳)有限公司 | Product electromagnetic compatibility test system |
| CN112114210B (en) * | 2020-08-12 | 2023-09-22 | 欧陆电子电器检测服务(深圳)有限公司 | Product electromagnetic compatibility test system |
| CN116449062A (en) * | 2023-06-16 | 2023-07-18 | 江苏北斗信创科技发展有限公司 | Beidou antenna test fixture device |
| CN116449062B (en) * | 2023-06-16 | 2023-08-22 | 江苏北斗信创科技发展有限公司 | Beidou antenna test fixture device |
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