CN207440193U - Electromagnetic interference test system of electric drive system of electric automobile - Google Patents
Electromagnetic interference test system of electric drive system of electric automobile Download PDFInfo
- Publication number
- CN207440193U CN207440193U CN201621203437.6U CN201621203437U CN207440193U CN 207440193 U CN207440193 U CN 207440193U CN 201621203437 U CN201621203437 U CN 201621203437U CN 207440193 U CN207440193 U CN 207440193U
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- electromagnetic interference
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- supply system
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- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 238000004088 simulation Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 238000012806 monitoring device Methods 0.000 claims abstract description 6
- 239000013307 optical fiber Substances 0.000 claims abstract description 3
- 238000012216 screening Methods 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 3
- 230000005672 electromagnetic field Effects 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 description 6
- 238000005183 dynamical system Methods 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model provides an electromagnetic interference test system of an electric drive system of an electric automobile, which comprises an electromagnetic interference simulation device, a receiver and a monitoring device; the electromagnetic interference simulation device comprises a tested motor, a motor controller, a low-voltage power supply system, a high-voltage power supply system and a dynamometer; the receiver is arranged outside the shielding device, and the monitoring device comprises a photoelectric conversion module arranged in the shielding device and a monitoring computer arranged outside the shielding device; the photoelectric conversion module is connected with the motor controller and is connected with the monitoring computer through an optical fiber. The utility model discloses can realize the electromagnetic compatibility test of electric drive system under the loading operating mode, compensate traditional use motor simulator when experimental to electric drive system, can only simulate hindering nature complicacy and can't reflect the true operating mode electromagnetic interference horizontally limitation.
Description
Technical field
The utility model belongs to electromagnetic compatibility test field, more particularly, to a kind of electricity of the power drive system of electric vehicle
System is tested in magnetic disturbance.
Background technology
Electric drive dynamical system is the core electrical system of electric vehicle, due to including high-power electric and electronic in the system
Device, compared with other vehicle electric electronic devices, Electromagnetic Launching bigger, it is easier to influence vehicle electronic device and other roads
The normal work of road vehicles and jeopardize the security of road.In addition, once the control section of pure electric drive dynamical system is done
It disturbs, vehicle drive is impacted, so as to jeopardize the security of road.
The country is at the early-stage in terms of electric vehicle electromagnetic compatibility, although having carried out electricity in some external vehicle producer levels
Magnetic compatible design, but since there are no specific experiment is proposed to pure electric drive dynamical system in international standard and domestic standard
Method and index request, vehicle factor is not also to the specific EMC Requirements of proposition of pure electric drive dynamical system, for electricity
The poor situation vehicle factor of motor-car Electro Magnetic Compatibility is there is no good counter-measure, therefore vehicle factor is badly in need of power drive system
Scientific test facilities and test method to be instructed the design of its product and specification, and then improve the product of electric car
Matter.
The content of the invention
In view of this, the utility model is directed to a kind of Electromagnetic Interference Test system of the power drive system of electric vehicle
System, can realize electromagnetic compatibility test of the power drive system under loading condition.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of electromagnetic interference test system of the power drive system of electric vehicle including electromagnetic interference simulation device, receives
Machine and monitoring device；
The electromagnetic interference simulation device includes the tested motor being arranged in screening arrangement, electric machine controller, low pressure and supplies
Electric system, high voltage supply system and the dynamometer machine being arranged on outside screening arrangement；The electric machine controller connection tested motor,
Low-voltage power supply system and high voltage supply system；The tested motor is also connected with dynamometer machine；
The receiver is arranged on outside screening arrangement, is connected with the electromagnetic interference simulation device, for obtaining the quilt
The electromagnetic interference that measured motor is formed；
The monitoring device includes the photoelectric conversion module being arranged in screening arrangement and is arranged on outside screening arrangement
Monitor computer；The photoelectric conversion module connects electric machine controller, and connects monitoring computer by optical fiber.
Further, the tested motor is connected with the dynamometer machine by the mechanical drive shaft with capability of electromagnetic shielding
It connects.
Further, the receiver is connected with the electromagnetic interference simulation device, including the receiver and the height
It the connection of the Conduction Interference voltage tester port of pressure electric power system and the artificial mains network in low-voltage power supply system and described connects
The reception antenna of radiation interference electromagnetic field of the receipts machine with obtaining the tested motor is connected.
Compared with the prior art, a kind of Electromagnetic Interference Test of the power drive system of electric vehicle described in the utility model
System has the advantage that：The utility model can realize electromagnetic compatibility test of the power drive system under loading condition, make up
Traditional when being tested using motor simulation device power drive system, can only to simulate resistive complexity can not react true operation
The limitation of operating mode electromagnetic disturbance level；The electromagnetic interference for showing measured piece by the actual test of tens sets of power drive systems is sent out
Jetting, which puts down less loading condition, a significant increase, and can continuous to loading level, the accurate change by dynamometer machine, with to hair
Excessive problem is penetrated to be accurately positioned.
Description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The schematic description and description of type does not form the improper restriction to the utility model for explaining the utility model.
In attached drawing：
It is the experiment for testing power drive system along the conducted emission level of power cord described in the utility model embodiment that Fig. 1, which is,
The structure diagram of system；
It is that test is shown to the structure of the pilot system of space radiation emission level described in the utility model embodiment that Fig. 2, which is,
It is intended to；
Reference sign：
101- tested motors, 102- electric machine controllers, 103- dynamometer machines, 104- have the machine driving of capability of electromagnetic shielding
Axis, 105- harness, 106- high voltage supply harness, 107- low-voltage power supply harness, 108- low-voltage power supply systems, 109- high voltage supplies system
System, 110- signal transmission coaxial cables, 111- receivers, 112- monitoring computers, 113- photoelectric conversion modules, 114- light
Fibre, 115- screening arrangements, 116- reception antennas.
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the utility model.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can express or implicitly include one or more this feature.In the description of the utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, 2, by using the mechanical drive shaft 104 with capability of electromagnetic shielding, it will be in screening arrangement 115
Tested motor 101, electric machine controller 102 and the dynamometer machine 103 outside screening arrangement 104 are attached, and are simulated by dynamometer machine 103
Rotating speed and torque during 101 actual motion of tested motor carry out load test to power drive system.Other arrangements in experiment
It further includes：By the high voltage supply system 109, low-voltage power supply system 108 and corresponding high voltage supply harness for shielding and filtering
106th, low-voltage power supply harness 107 shields the screening arrangement 115 of outside electromagnetic interference and the reception of radiative emission level
Antenna 116 and receiver 111.The state of tested power drive system monitors in real time outside screening arrangement 115 during experiment, ensures
Experiment safety.
Tested motor 101 is connected by transfer panel, shaft coupling and dynamometer machine 103, by electric machine controller 102 and tested electricity
The harness 105 that 101 triple line is used with rotation modified line using vehicle between machine is attached, the high voltage supply of electric machine controller 102
Line is fixed on low-voltage power supply line, signal harness on the 50mm thickness backing materials of low-k, and backing material, which is placed in, well to be connect
On the ground plane on ground, low-voltage power supply line is arranged together with signal wire, with high voltage supply line interval 100mm.High and low pressure is powered
Line is connected to the corresponding power supply unit outside darkroom by artificial mains network, and it is good that mesohigh artificial network should be placed in shielding
In housing, signal is reached shielding by low pressure artificial network and ground plane good contact, signal wire by photoelectric conversion module 113
Monitoring computer 112 outside device 115.
In conduction transmitting test, high voltage supply system 109, low-voltage power supply system 108 provide tested power drive system institute
Electric energy is needed, 115 outer dynamometer machine 103 of screening arrangement accurately controls rotating speed, the torque of power drive system, at this time along the conduction of power cord
Transmitting interference signal is connected the receiver outside screening arrangement 115 by artificial network's transmission by signal transmission coaxial cable 110
111, to the conducted emission situation under detailed assessment different frequency.
In radiation-emitting experiment, high voltage supply system 109, low-voltage power supply system 108 provide tested power drive system institute
Electric energy is needed, 115 outer dynamometer machine 103 of screening arrangement accurately controls rotating speed, the torque of power drive system, at this time by using different ripples
The reception antenna 116 of section receives the tested external radiation-emitting situation of power drive system, and by signal transmission with coaxially
Cable 110 connects receiver 111, by receiver 111 to signal measurement, with the radiation-emitting feelings under detailed assessment different frequency
Condition.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modifications, equivalent replacements and improvements are made should be included in the utility model
Protection domain within.
Claims (3)
1. a kind of electromagnetic interference test system of the power drive system of electric vehicle, it is characterised in that：It is simulated including electromagnetic interference
Device, receiver and monitoring device；
The electromagnetic interference simulation device includes the tested motor being arranged in screening arrangement, electric machine controller, low-voltage power supply system
System, high voltage supply system and the dynamometer machine being arranged on outside screening arrangement；The electric machine controller connection tested motor, low pressure
Electric power system and high voltage supply system；The tested motor is also connected with dynamometer machine；
The receiver is arranged on outside screening arrangement, is connected with the electromagnetic interference simulation device, for obtaining the tested electricity
The electromagnetic interference that machine is formed；
The monitoring device includes the photoelectric conversion module being arranged in screening arrangement and the monitoring being arranged on outside screening arrangement
Computer；The photoelectric conversion module connects electric machine controller, and connects monitoring computer by optical fiber.
2. a kind of electromagnetic interference test system of the power drive system of electric vehicle according to claim 1, feature exist
In：The tested motor passes through the machine driving axis connection with capability of electromagnetic shielding with the dynamometer machine.
3. a kind of electromagnetic interference test system of the power drive system of electric vehicle according to claim 1, feature exist
In：The receiver is connected with the electromagnetic interference simulation device, including the receiver and the high voltage supply system and
Described in the Conduction Interference voltage tester port connection of artificial mains network in low-voltage power supply system and the receiver and acquisition
The reception antenna connection of the radiation interference electromagnetic field of tested motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621203437.6U CN207440193U (en) | 2016-11-08 | 2016-11-08 | Electromagnetic interference test system of electric drive system of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621203437.6U CN207440193U (en) | 2016-11-08 | 2016-11-08 | Electromagnetic interference test system of electric drive system of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207440193U true CN207440193U (en) | 2018-06-01 |
Family
ID=62394419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621203437.6U Expired - Fee Related CN207440193U (en) | 2016-11-08 | 2016-11-08 | Electromagnetic interference test system of electric drive system of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207440193U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474435A (en) * | 2020-04-28 | 2020-07-31 | 中国汽车技术研究中心有限公司 | System and method for testing alternating current charging electromagnetic interference of electric vehicle |
| CN111796151A (en) * | 2020-07-31 | 2020-10-20 | 重庆长安新能源汽车科技有限公司 | Electromagnetic compatibility test system of all-in-one electric drive assembly |
-
2016
- 2016-11-08 CN CN201621203437.6U patent/CN207440193U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474435A (en) * | 2020-04-28 | 2020-07-31 | 中国汽车技术研究中心有限公司 | System and method for testing alternating current charging electromagnetic interference of electric vehicle |
| CN111796151A (en) * | 2020-07-31 | 2020-10-20 | 重庆长安新能源汽车科技有限公司 | Electromagnetic compatibility test system of all-in-one electric drive assembly |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20211108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |