CN205749731U - A kind of generator drive system for electromagnetic compatibility test - Google Patents
A kind of generator drive system for electromagnetic compatibility test Download PDFInfo
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- CN205749731U CN205749731U CN201620533807.6U CN201620533807U CN205749731U CN 205749731 U CN205749731 U CN 205749731U CN 201620533807 U CN201620533807 U CN 201620533807U CN 205749731 U CN205749731 U CN 205749731U
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Abstract
This utility model provides a kind of generator drive system for electromagnetic compatibility test, including tested electromotor, actuating device, driving means, power module, the first photoelectric conversion module, the second photoelectric conversion module and control device, wherein, driving means includes frequency conversion motor, converter, rotational speed measuring device；When using drive system provided by the utility model to carry out electromagnetic compatibility test, described driving means is placed in anechoic chamber, and control device can reach 1RPM to the rotating speed control accuracy of driving means, and the actual speed of driving means can be obtained in real time, improve test result accuracy and reliability.
Description
Technical field
This utility model relates to electromagnetic compatibility test field, particularly to the generator drive train for electromagnetic compatibility test
System.
Background technology
New-energy automobile is carried out Electro Magnetic Compatibility (EMC) test and is to ensure that the basic guarantee of vehicle safety, reliability service,
Also it is new-energy automobile research and development of products, detection certification and the key point of industrialized development.The calculating that Hyundai Motor is widely used
Machine management and electronic control system have to comply with automotive electronics electromagnetic compatibility and include disturbed test (EMI) and immunity to interference test
(EMS) radiation and the measurement requirement of conduction.Orthodox car car load is had relevant EMC to detect experimental technique method by China at present
Standard, corresponding detection test capability is also at gradual perfection, but to new-energy automobile, especially to its motor, the key portion such as automatically controlled
The EMC test of part, also in starting development.
According to the requirement of electromagnetic compatibility test standard, for the load equipment of electromagnetic compatibility test, its electromagnetism produced is done
Disturbing should be lower than measured object, and capacity of resisting disturbance should be higher than measured object, therefore, at present for the electromagnetic compatibility test of automobile current generator
3 kinds of type of drive of general employing, the purest motor drives, and Diesel Driven and air motor drive.Wherein, pure motor drives
Although dynamic scheme will not produce extra electromagnetic interference, but because the rotating speed of pure motor itself cannot regulate, therefore can only pass through
The kinds of drive such as gear train carry out rotational speed regulation, it is impossible to ensure the precision of rotational speed regulation；And using diesel engine as driving means
Time, diesel engine itself is bulky, needs to occupy bigger lab space, additionally diesel engine operation process noise relatively big and
Having waste gas to discharge, the environment for anechoic chamber, has harmful effect, and the rotating speed control accuracy of diesel engine is the highest；With pneumatic
Motor is as driving means, although overcome the problems such as the volume of diesel engine, noise and waste gas, but the rotating speed of air motor
Depending on the size driving air pressure, owing to the control accuracy of air pressure is relatively low, cannot meet rotational speed of driving unit equally is accurate
Control.
Utility model content
The purpose of this utility model is to overcome prior art not enough, it is provided that a kind of electromotor for electromagnetic compatibility test
Drive system, can meet the requirement for auxiliary equipment of the electromagnetic compatibility test standard, simultaneously also can be to the rotating speed of driving means
Accurately control.
This utility model uses following technical scheme for achieving the above object:
A kind of generator drive system for electromagnetic compatibility test, including tested electromotor, actuating device, driving dress
Put, power module, the first photoelectric conversion module, the second photoelectric conversion module and control device；
Wherein, described tested electromotor, described actuating device, described driving means, described first photoelectric conversion module, institute
Stating the second photoelectric conversion module and described control device is sequentially connected with, described driving means is also connected with described power module；
Described first photoelectric conversion module and described second photoelectric conversion module composition Phototube Coupling system, be used for transmitting institute
State the signal of communication controlled between device and described driving means；
Described driving means is used for dragging described tested generator rotation；
Described power module is for powering to described driving means；
Described driving means includes frequency conversion motor, converter and rotational speed measuring device；The armature spindle of described frequency conversion motor
It is connected with described actuating device；Described rotational speed measuring device is connected with described frequency conversion motor, described rotational speed measuring device also with institute
Stating the first photoelectric conversion module to be connected, the control end of described converter is connected with described first photoelectric conversion module, described frequency conversion
The outfan of device is connected with described frequency conversion motor, and the input of described converter is connected with described power module；
The control instruction of described control device output is sent to described first photoelectricity by described second photoelectric conversion module
Modular converter, and it is sent to described converter by described first photoelectric conversion module, for controlling the output electricity of described converter
Voltage-frequency rate, thus control the rotating speed of described frequency conversion motor；
Described rotational speed measuring device is for monitoring the actual speed of frequency conversion motor, and the actual speed recorded is sent to institute
State control device.
When using drive system provided by the utility model to carry out electromagnetic compatibility test, described tested electromotor, institute
State actuating device, described driving means and described first photoelectric conversion module to be placed in anechoic chamber, described power module,
Described second photoelectric conversion module, described control device are positioned at outside anechoic chamber,.
In this utility model one embodiment, described control device is used for providing control instruction input interface.
In this utility model one embodiment, described rotational speed measuring device includes baffle plate, light emitting module, illuminant module, number
According to acquisition module；
Wherein, described baffle plate rotates coaxially with the armature spindle of described frequency conversion motor, described light emitting module and described photosensitive mould
Block is respectively placed in the both sides of described baffle plate, and described illuminant module is connected with described data acquisition module, described data acquisition module
The other end be connected with described first photoelectric conversion module；
Described baffle plate is for periodically blocking the light path between described illuminant module and described light emitting module, described data acquisition
Collection module is for receiving the output signal of described illuminant module, and passes through described first photoelectric conversion module and described second photoelectricity
Modular converter is sent to described control device, and described control device calculates described variable-frequency electric according to the waveshape signal received
The real-time rotating speed of machine.
In this utility model one embodiment, it is described that described driving means also includes that shielding box, described converter are placed in
In shielding box.
In this utility model one embodiment, described driving means also includes prefilter, described prefilter
Input be connected with described power module, the outfan of described prefilter is connected with the input of described converter, institute
The outfan stating prefilter is positioned at described shielding box, and described shielding box connects with the metal shell of described prefilter
Touch, form continuous conductor.
In this utility model one embodiment, described driving means also includes output filter, wherein, described output filter
The input of ripple device is connected with the outfan of described converter, and the input of described output filter is positioned at described shielding box,
Described shielding box contacts with the metal shell of described output filter, forms continuous conductor, the outfan of described output filter
Being connected with described frequency conversion motor, the outfan of described output filter is connected with described frequency conversion motor.
In this utility model one embodiment, described a kind of generator drive system for electromagnetic compatibility test is also wrapped
Including shielding case, described driving means is placed in described shielding case, and the armature spindle of described frequency conversion motor passes described shielding case and institute
State actuating device to connect.
In this utility model one embodiment, it is described that described shielding case also includes that screening arrangement, described screening arrangement are placed in
The armature spindle of frequency conversion motor and the junction of described shielding case, described screening arrangement, the armature spindle of described frequency conversion motor and institute
State shielding case composition continuous conductor.
In this utility model one embodiment, described actuating device includes coaxial transmision, belt driver or gear
Actuating device.
The beneficial effects of the utility model:
One, drive system provided by the utility model will not introduce extra electromagnetic disturbance, meet electromagnetic compatibility test
Standard, for the requirement of auxiliary equipment, uses in can being placed in anechoic chamber,.
Its two, the rotating speed of driving means can accurately be controlled by drive system provided by the utility model, its rotating speed
Control accuracy is up to 1RPM, and can obtain the actual speed of driving means in real time, makes test result more accurately and reliably.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the driving device structure schematic diagram of this utility model one embodiment；
Fig. 3 is the rotational speed measuring device structural representation of this utility model one embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is described further by specific embodiment, illustrative examples therein
And explanation is only used for explaining this utility model, but it is not intended as restriction of the present utility model.
As it is shown in figure 1, be structural representation of the present utility model, a kind of generator drive train for electromagnetic compatibility test
System, including tested electromotor 100, actuating device 200, driving means the 300, first photoelectric conversion module the 400, second simulated photoelectric
500, control module 600 and power module 700, wherein, surveys electromotor 100, actuating device 200, driving means 300, first
Photoelectric conversion module the 400, second simulated photoelectric 500 and control module 600 are sequentially connected, driving means 300 also with power supply mould
Block 700 is connected；Driving means 300 drags tested electromotor 100 by actuating device 200 and generates electricity, and actuating device 200 can use such as
The coaxial transmisions such as shaft coupling, it is possible to use such as belt drivers such as transmission band, driving-chains, it is also possible to use such as gear train etc.
Gear drive, the first photoelectric conversion module 400 and the second photoelectric conversion module 500 form Phototube Coupling system, are used for passing
Signal of communication between defeated control device 600 and driving means 30, controls device 600 and is used for providing control instruction input interface,
Power module 700 is for powering to driving means.
As in figure 2 it is shown, be the driving device structure schematic diagram in this utility model one embodiment, driving means 300 includes
Frequency conversion motor 310, converter 320, prefilter 330, output filter 340, shielding box 350, rotational speed measuring device 360,
Screening arrangement 370 and shielding case 380；Wherein, frequency conversion motor 310, converter 320, prefilter 330, output filter
340, shielding box 350, rotational speed measuring device 360 are placed in shielding case 380, and the wherein side panel of shielding case 380 has
One circular hole, the armature spindle of frequency conversion motor 310 is connected through this circular hole with actuating device 200, and this circular hole is formed around screening arrangement
370, screening arrangement 370 contacts with armature spindle and the shielding case 380 of frequency conversion motor 310, and three forms continuous conductor, to keep
The conducting continuity of shielding case 380, frequency conversion motor 310 is also connected with the data acquisition end of rotational speed measuring device 360, monitor speed
The outfan of device 360 and the first photoelectric conversion module 400 are connected, the first photoelectric conversion module 400 also with the control of converter 320
End processed is connected, and the input of converter 320 is connected with the outfan of prefilter 330, the outfan of converter 320 and output
The input of wave filter 340 is connected, converter 320, the outfan of prefilter 330 and the input of output filter 340
End is respectively positioned in shielding box 350, and shielding box 350 is tight phase with the metal shell of prefilter 330 and output filter 340
Even, the input of prefilter 330 is connected with power module 700, the outfan of output filter 340 and frequency conversion motor 310
It is connected.
As it is shown on figure 3, be the rotational speed measuring device structural representation in this utility model one embodiment, rotational speed measuring device
360 include light emitting module 361, baffle plate 362, illuminant module 363, data acquisition module 364；
Wherein, baffle plate 362 rotates coaxially with frequency conversion motor 310, and light emitting module 361 and illuminant module 363 are respectively placed in gear
The both sides of plate 362, the outfan of illuminant module 363 is connected with the input of data acquisition module 364, data acquisition module 364
Outfan and the first photoelectric conversion module 400 be connected.Baffle plate 362 periodically blocks illuminant module 363 with luminous when rotating
Light path between module 361, data acquisition module 364 is for receiving the output signal of illuminant module 363, and according to receiving
Signal generates waveshape signal, and is sent to control device by the first photoelectric conversion module 400 and the second photoelectric conversion module 500
600.When illuminant module 363 receives the optical signal of light emitting module 361, data acquisition module 364 receives high level signal,
When light-path between illuminant module 363 and light emitting module 361 is blocked, data acquisition module 364 receives low level letter
Number, data acquisition module 364 generates square wave according to the high and low level number received, and the square wave generated is passed through the first photoelectricity
Modular converter 400 and the second photoelectric conversion module 500 are sent to control device 600, control device 600 according to the square wave received
Calculate the real-time rotating speed of frequency conversion motor 310.
In this utility model one specific embodiment, when carrying out electromagnetic compatibility test, tested electromotor 100, actuating device
200, driving means 300 and the first photoelectric conversion module 400 are placed in anechoic chamber, the second photoelectric conversion module 500, control
Molding block 600 is placed in outside anechoic chamber, passes through optical fiber between the first photoelectric conversion module 400 and the second photoelectric conversion module 500
Connecting, power module 700 is that anechoic chamber, is self-powered, and screening arrangement 370 is the beryllium copper reed being rolled into annular, and this annular is straight
Footpath is slightly less than the diameter of the armature spindle of frequency conversion motor 310.When experiment, the voltage of power module 700 output is through pre-filtering
After the filtering of device 330, input converter 320, experimenter inputs the driving rotating speed of needs in controlling device 600, controls dress
Put 600 generation rotating speed control instructions, and this instruction is sent to the second photoelectric conversion module 500, the second light in signal of telecommunication mode
The signal of telecommunication received is converted into optical signal by electricity modular converter 500, and is sent to the first photoelectric conversion module 400, the first light
The optical signal received is again converted into the signal of telecommunication by electricity modular converter 400, and is sent to converter 320, converter 320 basis
The control instruction received changes the frequency of output voltage, and voltage is input to output filter 340, output filter 340
After input voltage is filtered, output to frequency conversion motor 310；Frequency conversion motor 310 drag tested electromotor 100 rotate time,
The actual speed of frequency conversion motor 310 is monitored by rotational speed measuring device 360 in real time, and generates waveshape signal, and monitor speed fills
Putting 360 the waveshape signal of generation is sent to the first photoelectric conversion module 400, the first photoelectric conversion module 400 will receive
Waveshape signal is converted into optical signal, and is sent to the second photoelectric conversion module 500, and the second photoelectric conversion module 500 will receive
Optical signal be again converted into waveshape signal, and be sent to control in device 600, control device 600 according to the waveform received
Signal calculates the actual speed of frequency conversion motor 310, and feeds back to experimenter.
Obviously, above-described embodiment is only used to clearer expression technical solutions of the utility model example, and
The non-restriction to this utility model embodiment.To those skilled in the art, the most all right
Making other changes in different forms, without departing from the concept of the premise utility, these broadly fall into this practicality
Novel protection domain.Therefore the protection domain of this utility model patent should be as the criterion with claims.
Claims (8)
1. the generator drive system for electromagnetic compatibility test, it is characterised in that include tested electromotor, transmission dress
Put, driving means, power module, the first photoelectric conversion module, the second photoelectric conversion module and control device；
Wherein, described tested electromotor, described actuating device, described driving means, described first photoelectric conversion module, described
Two photoelectric conversion modules and described control device are sequentially connected with, and described driving means is also connected with described power module；
Described driving means is used for dragging described tested generator rotation；
Described power module is for powering to described driving means；
Described driving means includes frequency conversion motor, converter and rotational speed measuring device；
The armature spindle of described frequency conversion motor is connected with described actuating device；Described rotational speed measuring device and described frequency conversion motor phase
Even, described rotational speed measuring device is also connected with described first photoelectric conversion module, the control end of described converter and described first
Photoelectric conversion module is connected, and the outfan of described converter is connected with described frequency conversion motor, the input of described converter and institute
State power module to be connected；
Described rotational speed measuring device is for monitoring the actual speed of frequency conversion motor, and the actual speed recorded is sent to described control
Device processed.
A kind of generator drive system for electromagnetic compatibility test, it is characterised in that described turn
Speed supervising device includes baffle plate, light emitting module, illuminant module, data acquisition module；
Wherein, described baffle plate rotates coaxially with the armature spindle of described frequency conversion motor, and described light emitting module divides with described illuminant module
Not being placed in the both sides of described baffle plate, described illuminant module is connected with one end of described data acquisition module, described data acquisition module
The other end of block is connected with described first photoelectric conversion module；
Described baffle plate is for periodically blocking the light path between described illuminant module and described light emitting module, described data acquisition module
Block is used for gathering the output signal of described illuminant module, and by described first photoelectric conversion module and described second opto-electronic conversion
Module is sent to described control device.
A kind of generator drive system for electromagnetic compatibility test, it is characterised in that described in drive
Dynamic device also includes that shielding box, described converter are placed in described shielding box.
A kind of generator drive system for electromagnetic compatibility test, it is characterised in that described in drive
Dynamic device also includes that prefilter, the input of described prefilter are connected with described power module, described pre-filtering
The outfan of device is connected with the input of described converter, and the outfan of described prefilter is positioned at described shielding box, institute
State shielding box to contact with the metal shell of described prefilter, form continuous conductor.
A kind of generator drive system for electromagnetic compatibility test, it is characterised in that described in drive
Dynamic device also includes that output filter, the input of described output filter are connected with the outfan of described converter, described defeated
The input going out wave filter is positioned at described shielding box, and described shielding box contacts with the metal shell of described output filter, group
Becoming continuous conductor, the outfan of described output filter is connected with described frequency conversion motor.
A kind of generator drive system for electromagnetic compatibility test, it is characterised in that described
A kind of generator drive system for electromagnetic compatibility test also includes that shielding case, described driving means are placed in described shielding case
In, the armature spindle of described frequency conversion motor is connected through described shielding case with described actuating device.
A kind of for electromagnetic compatibility test generator drive system, it is characterised in that described
Shielding case also includes that screening arrangement, described screening arrangement are placed in the armature spindle of described frequency conversion motor and the connection of described shielding case
Place, described screening arrangement, the armature spindle of described frequency conversion motor and described shielding case composition continuous conductor.
A kind of generator drive system for electromagnetic compatibility test, it is characterised in that described biography
Dynamic device includes coaxial transmision, belt driver or gear drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620533807.6U CN205749731U (en) | 2016-06-03 | 2016-06-03 | A kind of generator drive system for electromagnetic compatibility test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620533807.6U CN205749731U (en) | 2016-06-03 | 2016-06-03 | A kind of generator drive system for electromagnetic compatibility test |
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| Publication Number | Publication Date |
|---|---|
| CN205749731U true CN205749731U (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620533807.6U Active CN205749731U (en) | 2016-06-03 | 2016-06-03 | A kind of generator drive system for electromagnetic compatibility test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974235A (en) * | 2016-06-03 | 2016-09-28 | 广州市诚臻电子科技有限公司 | Generator driving system used for electromagnetic compatibility test |
| CN109541459A (en) * | 2019-02-20 | 2019-03-29 | 中船重工电机科技股份有限公司 | A kind of generator electromagnetic compatibility test method |
-
2016
- 2016-06-03 CN CN201620533807.6U patent/CN205749731U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974235A (en) * | 2016-06-03 | 2016-09-28 | 广州市诚臻电子科技有限公司 | Generator driving system used for electromagnetic compatibility test |
| CN105974235B (en) * | 2016-06-03 | 2019-02-26 | 广州市诚臻电子科技有限公司 | A kind of generator drive system for electromagnetic compatibility test |
| CN109541459A (en) * | 2019-02-20 | 2019-03-29 | 中船重工电机科技股份有限公司 | A kind of generator electromagnetic compatibility test method |
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