CN205749732U - A kind of motor loading system for electromagnetic compatibility test - Google Patents
A kind of motor loading system for electromagnetic compatibility test Download PDFInfo
- Publication number
- CN205749732U CN205749732U CN201620533836.2U CN201620533836U CN205749732U CN 205749732 U CN205749732 U CN 205749732U CN 201620533836 U CN201620533836 U CN 201620533836U CN 205749732 U CN205749732 U CN 205749732U
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- electromagnetic compatibility
- compatibility test
- motor
- machine group
- shielding case
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Abstract
This utility model provides a kind of motor loading system for electromagnetic compatibility test, including charger, by measured motor, actuating device, the first photoelectric conversion module, the second photoelectric conversion module and control device；When using loading system provided by the utility model to carry out electromagnetic compatibility test, described charger is placed in anechoic chamber, without anechoic chamber, is transformed, charger is near with by measured motor distance, axes alignment difficulty is low, system uses the mode of Phototube Coupling to transmit the control signal inside and outside anechoic chamber, is effectively reduced the introducing of interference signal；Therefore, use this utility model provided motor loading system to carry out electromagnetic compatibility test, it is possible to reduce experimental cost greatly, improve conventional efficient, reduce the structure difficulty of system.
Description
Technical field
This utility model relates to electromagnetic compatibility test field, loads system particularly to the motor 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.Computer widely used in automobile
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 standard by China at present,
Corresponding detection test capability is also at gradual perfection, but to new-energy automobile, especially to its motor, the critical component such as automatically controlled
EMC tests, also in starting development.
According to the design principle of motor product, its outfan has the non-loaded performance impact to its electromagnetic compatibility relatively
Greatly, it is generally the case that the interference that motor produces when band carries state is bigger than the interference produced during without the state of load.At electromagnetism
In compatibility test, when sample is motor, it is contemplated that the problem such as volume, mechanical erection, it is generally difficult to by the reality of sample
Load is positioned in the middle of test environment, and when loading sample, needs to apply a stable moment of torsion, at this moment needs a kind of dress
Put and it is realized.Owing to the sample in electromagnetic compatibility test is all electronic and electrical equipment or parts, therefore in test
If the auxiliary device used also is that needs are power-actuated, then just require that the harassing and wrecking ratio that this auxiliary device produces is tested
The harassing and wrecking of sample are low, and the ability resisting harassing and wrecking is stronger than sample, the situation of the standard that is unsatisfactory for the most once occurs,
Very difficult differentiation is to cause owing to the quality of sample is defective, or the quality of auxiliary device is bad to be caused.
A kind of motor loading scheme used in electromagnetic compatibility test at present is to beat on anechoic chamber, wherein a sidewall
One hole, power transmission shaft passes cinclides, the two ends of power transmission shaft respectively be placed in anechoic chamber, by measured motor and to be placed in electric wave dark
Outdoor loading motor is connected, and experimenter is by controlling loading motor outside darkroom for being provided different moment of torsion by measured motor.
There is problems with in this scheme, one needs to transform darkroom, will punch one, darkroom sidewall, and this increases greatly
Add the construction cost in darkroom；Its two, due to electromagnetic shielding test requirement, power transmission shaft is generally adopted by nonmetal flexible axle,
Run up in view of being returned when experiment by measured motor, therefore it is required that must be the most right with the axle center of loading motor by measured motor
Standard, owing to being laid respectively at inside and outside anechoic chamber, by measured motor and charger, distance is longer between the two, which results in axle center
The operation easier of alignment is high.Therefore, although providing moment of torsion to by measured motor when this kind of mode disclosure satisfy that electromagnetic compatibility test
Requirement, but there is construction cost height, the problems such as operation easier is high.
Utility model content
The purpose of this utility model is to overcome prior art not enough, it is provided that a kind of motor for electromagnetic compatibility test adds
Loading system, it is not necessary to darkroom is carried out breaking cellular wall transformation, charger and short by the distance between measured motor, multiple transmission side can be used
Formula, and axes alignment difficulty is low.
This utility model uses following technical scheme for achieving the above object:
A kind of motor loading system for electromagnetic compatibility test, including charger, actuating device, by measured motor,
One photoelectric conversion module, the second photoelectric conversion module and control device；
Wherein, the two ends of described actuating device respectively with described charger, described be connected by measured motor, described in add and carry
Put also one end with described first photoelectric conversion module to be connected, the other end of described first photoelectric conversion module and described second light
One end of electricity modular converter is connected, and the other end of described second photoelectric conversion module is connected with described control device；
Described charger is for being provided torque loads to described by measured motor.
When using loading system provided by the utility model to carry out electromagnetic compatibility test, described charger, described
Actuating device, described by measured motor and described first photoelectric conversion module is placed in anechoic chamber, described second photoelectricity turns
Die change block, 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 charger includes hysteresis machine group, output shaft, power module；
Wherein, described hysteresis machine group includes at least a hysteresis machine, all magnetic hysteresis electricity in described hysteresis machine group
The armature spindle of machine is parallel to each other, and the armature spindle of all hysteresis machines in described hysteresis machine group is respectively arranged with sprocket wheel, and by passing
Dynamic chain is connected with each other；
One end of described output shaft is connected with described actuating device, described output shaft and owning in described hysteresis machine group
Armature spindle is parallel, and the other end of described output shaft is equipped with sprocket wheel, and passes through all rotors of driving-chain and described hysteresis machine group
Axle connects；
One end of described power module is connected with described hysteresis machine group, for described hysteresis machine group energy supply, described power supply
The other end of module is connected with described first photoelectric conversion module, and described power module is for providing steady to described hysteresis machine group
Fixed output electric current；
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 power module by described first photoelectric conversion module, for controlling the defeated of described power module
Go out size of current, thus control the moment of torsion output size of described hysteresis machine group.
In this utility model one embodiment, described power module is constant-current source.
In this utility model one embodiment, described charger also includes that cooling device, described cooling device include wind
One or more in cool equipment, water cooling equipment and oil cooling aggregate, described cooling device is for dropping to described hysteresis machine group
Temperature.
In this utility model one embodiment, described charger also includes shielding case, described hysteresis machine group, described defeated
Shaft, described power module are placed in described shielding case, and described output shaft is through described shielding case with described actuating device even
Connecing, described output shaft is positioned at one end of described shielding case equipped with sprocket wheel, and turning by driving-chain and described hysteresis machine group
Sub-axle connects.
In this utility model one embodiment, described charger also includes that screening arrangement, described screening arrangement are placed in institute
State the junction of output shaft and described shielding case, described screening arrangement, described output shaft and described shielding case composition continuous conductor.
In another embodiment of this utility model, described charger includes electromotor, generator loading；
Wherein, the armature spindle of described electromotor is connected with described actuating device, described generator loading and described electromotor
Being connected, the size of described generator loading determines the size of described electromotor output moment of torsion；
Described by measured motor by described actuating device drag described generator rotation, thus simulation carried at band by measured motor
Working condition under state.
In this utility model one embodiment, described charger also includes load controller, described load controller
One end is connected with described generator loading, and the other end of described load controller controls device phase with described photoelectric conversion module
Even, described load controller controls the size of described generator loading according to the control instruction that described control device sends.
In this utility model one embodiment, described charger also includes electric energy feedback circuit, described electric energy feedback electricity
The input on road is connected with described generator loading, and the outfan of described electric energy feedback circuit is connected with electrical network, and described electric energy returns
Current feed circuit is for the back electrical energy telegram in reply net produced by electromotor.
In this utility model one embodiment, described charger also includes that shielding case, described electromotor are placed in described screen
Covering in shell, the armature spindle of described electromotor is connected through described shielding case with described actuating device.
In this utility model one embodiment, described charger also includes that screening arrangement, described screening arrangement are placed in institute
State the armature spindle of electromotor and the junction of described shielding case, described screening arrangement, the armature spindle of described electromotor and described screen
Cover shell 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, the loading scheme that this utility model provides will not introduce the electromagnetic disturbance of loading equipemtn, can be placed in electric wave
Use in darkroom, thus avoid and anechoic chamber, is carried out breaking cellular wall transformation, greatly reduce experimental cost.
Its two, charger of the present utility model and short by the distance between measured motor, the multiple kind of drive, axle can be used
Heart alignment difficulty is low, greatly reduces the operation easier of experimenter.
Its three, this utility model provide the scheme using electromotor as charger, incessantly can be for be carried by measured motor
For torque loads, additionally it is possible to electric energy feedback produced by electromotor when testing to electrical network, be effectively reduced experiment energy consumption, enter
One step reduces experimental cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the charger structural side view of this utility model one embodiment；
Fig. 3 is the charger structure front view of this utility model one embodiment；
Fig. 4 is the charger structural representation of another embodiment of this utility model.
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 motor for electromagnetic compatibility test loads system
System, including charger 10, actuating device 20, by measured motor 30, the first photoelectric conversion module 40, the second photoelectric conversion module 50
And control device 60；Wherein, the two ends of actuating device 20 are connected with charger 10 and by measured motor 30 respectively, add and carry
Put the control end of 10 and one end of the first photoelectric conversion module 40 is connected, the other end of the first photoelectric conversion module 40 and the second light
One end of electricity modular converter 50 is connected by optical fiber, and the other end of the second photoelectric conversion module 50 is connected with controlling device 60；Add
Carry and put 10 for providing stable torque loads to by measured motor 30, control device 60 for providing control to refer to experimenter
Make input interface, enable experimenter outside anechoic chamber, the equipment in anechoic chamber, to be controlled, the first opto-electronic conversion
Module 40 and the second photoelectric conversion module 50 form Phototube Coupling system, between transmission control unit 60 and charger
Signal of communication, it is to avoid the electromagnetic interference outside anechoic chamber, being introduced in anechoic chamber, actuating device 20 both can use shaft coupling etc.
Coaxial transmision, it is possible to use the belt drivers such as transmission band, driving-chain, it be also possible to use the gear drives such as gear train.
As shown in Figure 2 and Figure 3, for the structural representation of utility model one of which charger, charger 10 includes magnetic
Stagnant group of motors, output shaft 12, power module 13, cooling device 14, screening arrangement 19 and shielding case；Wherein, hysteresis machine group,
Output shaft 12, power module 13 are placed in shielding case；Hysteresis machine group includes at least one hysteresis machine 11, all magnetic hysteresis electricity
The armature spindle of machine 11 is parallel to each other, and is respectively arranged with sprocket wheel, and is connected with each other by driving-chain；Have on the side panel of shielding case
One circular hole, output shaft 12 is connected through this circular hole with actuating device 20, and this circular hole is formed around described screening arrangement 19, shielding dress
Putting 19 to contact with output shaft 12 and shielding case, three forms continuous conductor, to keep the conducting continuity of shielding case, output shaft
12 is parallel to each other with the armature spindle of all hysteresis machines 11, and output shaft 12 is positioned at one end of shielding case equipped with a sprocket wheel, and
Being connected with all hysteresis machines 11 by driving-chain, power module 13 is powered for all hysteresis machines 11, the control of power module 13
End processed and the first photoelectric conversion module 40 are connected.Control the control instruction of device 60 output by the second photoelectric conversion module 50
Deliver to the first photoelectric conversion module 40, and be sent to power module 13 by described first photoelectric conversion module 40, be used for controlling electricity
The output size of current of source module 13, thus control the size of the moment of torsion output of hysteresis machine group；Owing to hysteresis machine 11 is in fortune
Can produce heat energy during row, in order to avoid interference, use cooling device 14 to lower the temperature for hysteresis machine group, cooling device 14 can be according to need
Seek one or more selected in air cooler, water cooling equipment and oil cooling aggregate.
In an embodiment of the present utility model, using above-mentioned charger 10, wherein, power module 13 is constant current
Source, screening arrangement 19 is the beryllium copper reed being rolled into annular, and this annular diameter is slightly less than the diameter of output shaft 12.Carrying out electromagnetism
During compatible experiment, charger 10, actuating device 20, it is placed in anechoic chamber, by measured motor the 30, first photoelectric conversion module 40
In, the second photoelectric conversion module 50 and control device 60 are positioned at outside anechoic chamber, are driven by actuating device by measured motor 30
Output shaft 12 rotates, the torque loads now provided by hysteresis machines 11 all in hysteresis machine group by the load of measured motor 30
Sum.When needing to change the load by measured motor 30, experimenter's input current in controlling device 60 adjusts instruction, controls
Device 60 adjusts instruction according to the electric current of input and generates the control signal of telecommunication, and is sent in the second photoelectric conversion module 50, second
The control signal of telecommunication received is converted into optical signal by photoelectric conversion module 50, and is sent to the first opto-electronic conversion mould by optical fiber
Block 40, the optical signal received is re-converted into the signal of telecommunication, and is sent to constant-current source by the first photoelectric conversion module 40, constant-current source
Change the size of output electric current according to the control instruction received, thus change the load that hysteresis machine 11 is provided.
As shown in Figure 4, for the structural representation of this utility model another kind charger, charger 10 includes electromotor
15, generator loading 16, load controller 17, electric energy feedback circuit 18, screening arrangement 19 and shielding case, wherein, electromotor
15 are placed in described shielding case；Have a circular hole on the side panel of shielding case, the armature spindle of electromotor 15 by this circular hole with
Actuating device 20 connects, and this circular hole is formed around described screening arrangement 19, the armature spindle of screening arrangement 19 and electromotor 15 and
Shielding case contact, three forms continuous conductor, to keep the conducting continuity of shielding case, the voltage output end of electromotor 15 with send out
One end of motor load 16 is connected, and the other end of generator loading 16 is connected with the input of electric energy feedback circuit 18, electromotor
The end that controls of load is connected with the outfan of load controller 17, and the input of load controller 17 is connected with controlling device 60.
In an embodiment of the present utility model, using above-mentioned charger, wherein, screening arrangement 19 is for being rolled into annular
Beryllium copper reed, and this annular diameter is slightly less than the diameter of armature spindle of electromotor 15.When carrying out electromagnetic compatibility experiment, generating
Machine 15, the shielding case of charger 10, actuating device 20, to be placed in electric wave by measured motor the 30, first photoelectric conversion module 40 dark
Indoor, generator loading 16, load controller 17, electric energy feedback circuit the 18, second photoelectric conversion module 50 and control device
60 are positioned at outside anechoic chamber, are carried out the work under analog band load state by measured motor 30 by the generating of actuating device 20 drawing generator 15
Make the generator loading 16 outside situation, the adapter that the electric energy output end of electromotor 15 is carried and anechoic chamber, by anechoic chamber,
Connect；Wherein, the output torque of electromotor 15 is determined by the size of generator loading 16, when needs change by measured motor
30 load time, experimenter control device 60 output load control instruction, control device 60 control instruction is sent to
Load controller 17, load controller 17 adjusts the size of generator loading 16 according to control instruction, thus changes electromotor
The torque of output；When experiment, the electric energy that electromotor 15 produces is sent to electric energy feedback circuit by generator loading 16
In 18, then fed back to utility grid by electric energy feedback circuit 18, it is achieved that the recycling of electric energy.
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 (10)
1. the motor loading system for electromagnetic compatibility test, it is characterised in that include charger, by measured motor, biography
Dynamic device, the first photoelectric conversion module, the second photoelectric conversion module and control device；
Wherein, the two ends of described actuating device respectively with described charger, described be connected by measured motor, described charger is also
Being connected with one end of described first photoelectric conversion module, the other end of described first photoelectric conversion module turns with described second photoelectricity
One end of die change block is connected, and the other end of described second photoelectric conversion module is connected with described control device；
Described charger is for being provided torque loads to described by measured motor.
A kind of motor loading system for electromagnetic compatibility test, it is characterised in that described loading
Device includes hysteresis machine group, output shaft and power module；
Wherein, described hysteresis machine group includes at least a hysteresis machine, all hysteresis machines in described hysteresis machine group
Armature spindle is parallel to each other, and the armature spindle of all hysteresis machines in described hysteresis machine group is respectively arranged with sprocket wheel, and passes through driving-chain
It is connected with each other；
One end of described output shaft is connected with described actuating device, and the other end of described output shaft is equipped with sprocket wheel, and passes through transmission
Chain is connected with the armature spindle of described hysteresis machine group, and described output shaft turns with all hysteresis machines in described hysteresis machine group
Sub-axle is parallel；
One end of described power module is connected with described hysteresis machine group, for described hysteresis machine group energy supply, described power module
The other end be connected with described first photoelectric conversion module, described power module for described hysteresis machine group provide stable
Electric current.
A kind of motor loading system for electromagnetic compatibility test, it is characterised in that described loading
Device also includes that cooling device, described cooling device include the one in air cooler, water cooling equipment and oil cooling aggregate or several
Kind, described cooling device is for lowering the temperature to described hysteresis machine group.
A kind of motor loading system for electromagnetic compatibility test, it is characterised in that described
Charger also includes that shielding case, described hysteresis machine group, described output shaft, described power module are placed in described shielding case
In, described output shaft is connected through described shielding case with described actuating device, and described output shaft is positioned at the one of described shielding case
End is equipped with sprocket wheel, and is connected with the armature spindle of described hysteresis machine group by driving-chain.
A kind of motor loading system for electromagnetic compatibility test, it is characterised in that described loading
Device also includes that screening arrangement, described screening arrangement are placed in the junction of described output shaft and described shielding case, and described shielding fills
Put, described output shaft and described shielding case composition continuous conductor.
A kind of motor loading system for electromagnetic compatibility test, it is characterised in that described loading
Device includes electromotor, generator loading；
The armature spindle of described electromotor is connected with described actuating device, and described generator loading is connected with described electromotor.
A kind of motor loading system for electromagnetic compatibility test, it is characterised in that described loading
Device also includes that load controller, one end of described load controller are connected with described generator loading, described load controller
The other end be connected with described control device, described load controller for according to described control device send control instruction control
Make the size of described generator loading.
A kind of motor loading system for electromagnetic compatibility test, it is characterised in that described loading
Device also includes that electric energy feedback circuit, the input of described electric energy feedback circuit are connected with described generator loading, described electric energy
The outfan of feedback circuit is connected with electrical network, and described electric energy feedback circuit is for the back electrical energy telegram in reply net produced by electromotor.
9. a kind of motor loading system for electromagnetic compatibility test as described in arbitrary in claim 6-8, it is characterised in that
Described charger also includes that shielding case, described electromotor are placed in described shielding case, and the armature spindle of described electromotor passes institute
State shielding case to be connected with described actuating device.
A kind of motor loading system for electromagnetic compatibility test, it is characterised in that described in add
Carrying to put and also include screening arrangement, described screening arrangement is placed in the armature spindle of described electromotor and the junction of described shielding case,
Described screening arrangement, the armature spindle of described electromotor and described shielding case composition continuous conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620533836.2U CN205749732U (en) | 2016-06-03 | 2016-06-03 | A kind of motor loading system for electromagnetic compatibility test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620533836.2U CN205749732U (en) | 2016-06-03 | 2016-06-03 | A kind of motor loading system for electromagnetic compatibility test |
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| Publication Number | Publication Date |
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| CN205749732U true CN205749732U (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620533836.2U Withdrawn - After Issue CN205749732U (en) | 2016-06-03 | 2016-06-03 | A kind of motor loading system for electromagnetic compatibility test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911397A (en) * | 2016-06-03 | 2016-08-31 | 广州市诚臻电子科技有限公司 | Motor loading system used for electromagnetic compatibility test |
| CN109633337A (en) * | 2019-01-04 | 2019-04-16 | 中汽研汽车检验中心（天津）有限公司 | A kind of actuator of intelligent driving automotive EMC test moving obstacle |
-
2016
- 2016-06-03 CN CN201620533836.2U patent/CN205749732U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911397A (en) * | 2016-06-03 | 2016-08-31 | 广州市诚臻电子科技有限公司 | Motor loading system used for electromagnetic compatibility test |
| CN109633337A (en) * | 2019-01-04 | 2019-04-16 | 中汽研汽车检验中心（天津）有限公司 | A kind of actuator of intelligent driving automotive EMC test moving obstacle |
| CN109633337B (en) * | 2019-01-04 | 2024-01-12 | 中汽研汽车检验中心（天津）有限公司 | Dragging device for intelligent driving automobile electromagnetic compatibility test moving obstacle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20200114 |
|
| AV01 | Patent right actively abandoned |