CN207623425U - A kind of power drive system motor axial direction conducted emission test system of electric vehicle - Google Patents
A kind of power drive system motor axial direction conducted emission test system of electric vehicle Download PDFInfo
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- CN207623425U CN207623425U CN201721574072.2U CN201721574072U CN207623425U CN 207623425 U CN207623425 U CN 207623425U CN 201721574072 U CN201721574072 U CN 201721574072U CN 207623425 U CN207623425 U CN 207623425U
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- machine controller
- motor
- electric machine
- axial direction
- power drive
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Abstract
The utility model provides a kind of power drive system motor axial direction conducted emission test system and method for electric vehicle, and test system includes electromagnetic environmental simulator, test platform, signal receiving and processing device and monitoring device；Electromagnetic environmental simulator includes high-tension battery packet, Vehicular accumulator cell, electric machine controller and tested motor, and test platform connects tested motor；Signal receiving and processing device includes receiver and voltage probe；Monitoring device includes monitoring computer and photoelectric conversion module, and monitoring computer connects electric machine controller and high-tension battery packet by photoelectric conversion module.The utility model realizes the measurement of the motor axial direction conducted emission under loading condition, and the rotating speed and torque loaded may be implemented to be accurately controlled, simulate the actual condition and complex electromagnetic environment of vehicle, close to the axial conduction interference signal under loading of actual condition, for power drive system, axially conduction causes the solution of electromagnetic compatibility problem to provide authentic data.
Description
Technical field
The utility model belongs to technical field of electromagnetic compatibility measurement, more particularly, to a kind of power drive system of electric vehicle
Motor axial direction conducted emission tests system.
Background technology
Electric drive dynamical system includes mainly electric machine controller and motor two large divisions.Nowadays electric machine controller is all made of
PWM frequency conversion control techniques, PWM frequency conversion control techniques have its distinctive advantage, but its electromagnetic compatibility problem brought is also not
It is evitable.Power drive system has become the main problem point of new-energy automobile electromagnetic compatibility.
In terms of domestic or even international electric vehicle electromagnetic compatibility mainly with the radiation-emitting of system and low voltage control line and
The conducted emission that DC bus goes out is test target.With application of the PWM converter techniques in motor driven systems and motor
The limitation of manufacturing process, electromagnetic compatibility problem is also gradually valued by the people caused by motor, main reason is that PWM drives
There are high frequency common mode voltages, high frequency common mode voltage, and interference voltage on higher axis can be induced on machine shaft in electric system
(shaft voltage) and by forming interference electric current (shaft current) to earth-return, this interference electric current is posted by inverter-cable-motor
The approach of raw capacitance-motor shaft/motor ground wire-system ground wire-main power source-rectifier-inverter is propagated, this
Process can cause the electromagnetic compatibility problem of other equipment in electromagnetic radiation and the electric loop caused by conducting.Electricity now
Electromagnetic compatibility problem caused by voltage, electric current is increasingly paid close attention to by automotive EMC field on arbor, but lacks phase
The science test evaluation method and specification answered.
Utility model content
In view of this, the utility model is directed to a kind of power drive system motor axial direction conducted emission survey of electric vehicle
Test system, with the actual condition of accurate simulation vehicle and complicated electromagnetic environment.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of power drive system motor axial direction conducted emission test system of electric vehicle, including electromagnetic environment simulation dress
It sets, test platform, signal receiving and processing device and monitoring device；
The electromagnetic environmental simulator includes high-tension battery packet, Vehicular accumulator cell, electric machine controller and tested motor, institute
High-tension battery packet connection electric machine controller is stated, provides high voltage direct current for electric machine controller, the electric machine controller connection is tested
Motor, Vehicular accumulator cell connection high-tension battery packet and electric machine controller provide low for high-tension battery packet and electric machine controller
Voltage-controlled system electricity；
The test platform connects tested motor, is controlled for the power to motor；
The signal receiving and processing device includes receiver and voltage probe, the tested electricity of one end connection of the voltage probe
Machine, the other end connect receiver by coaxial cable；
The monitoring device includes that monitoring computer and photoelectric conversion module, the monitoring computer pass through opto-electronic conversion mould
Block connects electric machine controller and high-tension battery packet.
Further, the test platform carries dynamometer machine.
Further, the tested motor is attached with dynamometer machine by shaft coupling.
Further, the high-tension battery packet is connect by high voltage supply harness with electric machine controller.
Compared with the existing technology, a kind of power drive system motor of electric vehicle described in the utility model axially send out by conduction
Test system is penetrated to have the advantage that：Test system provided by the utility model realizes the motor under loading condition and axially conducts
The measurement of transmitting, and the rotating speed and torque that load may be implemented to be accurately controlled, and simulate the actual condition and complexity of vehicle
Electromagnetic environment, close to the axial conduction interference signal under loading of actual condition, for power drive system, axially conduction is drawn
The solution for playing electromagnetic compatibility problem provides authentic data.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 is that a kind of power drive system motor axial direction conducted emission of electric vehicle described in the utility model embodiment is surveyed
The schematic diagram of test system.
Reference sign：
1- tested motors, 2- electric machine controllers, 3- test platforms, 4- voltage probes, 5- screening arrangements, 6- harness, 7- are low
Pressure power supply harness, 8- high voltage supply harness, 9- high-tension battery packets, 10- Vehicular accumulator cells, 11- signal transmission coaxial cables,
12- receivers, 13- monitor computer, 14- photoelectric conversion modules, 15- optical fiber.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more this feature.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the utility model provides a kind of power drive system motor axial direction conducted emission survey of electric vehicle
Test system, including electromagnetic environmental simulator, the test platform with dynamometer machine, signal receiving and processing device and monitoring device.
The electromagnetic environmental simulator is by high-tension battery packet 9, Vehicular accumulator cell 10, electric machine controller 2 and tested motor 1
Composition.Its relationship is that high-tension battery packet 9 is that electric machine controller 2 provides high voltage direct current, and tested motor is controlled by electric machine controller 2
1, it is that high-tension battery packet 9 and electric machine controller 2 provide low voltage control electricity by Vehicular accumulator cell 10.
The test platform with dynamometer machine is to refer to provide with the collection for carrying function for tested motor 1 inside darkroom
At test platform (such as bluebox platforms) is changed, its own may be implemented in while being accurately controlled to the power of motor
Electromagnetic disturbance is met the requirements.Its feature is that tested motor 1 can be connected directly with load, consistent with real vehicle connection type.
Tested motor 1 in electromagnetic environmental simulator is connected with the dynamometer machine on the test platform with dynamometer machine by shaft coupling
It connects.
The signal receiving and processing device includes that 12 and voltage probe 4 wait capital equipments.It is passed by signal by voltage probe 4
Defeated coaxial cable 11 is connected with receiver 12, and the axial electromagnetic signal of tested motor 1 is received by voltage probe 4 and receiver 12
Output test data after processing.
The monitoring device is that photoelectric conversion module 14 is connected with monitoring computer 13, high-tension battery packet 9 and motor control
The control signal of device 2 processed after the progress Phototube Coupling of photoelectric conversion module 14 with monitoring computer 13 by connecting.
During the test, tested motor 1 is mounted on the test platform 3 with dynamometer machine, electric machine controller 2 is tested
Motor 1 is attached, and rotating speed and torque when 1 actual motion of tested motor is simulated by test platform 3, to power drive system
Carry out load test.Other arrangements in experiment further include：High-tension battery packet 9, Vehicular accumulator cell 10 and corresponding high voltage supply
Harness 8, low-voltage power supply harness 7, screening arrangement 5 and the measurement motor axial direction conducted emission for shielding outside electromagnetic interference are horizontal
Voltage probe 4 and receiver 12.The state of tested power drive system monitors in real time outside screening arrangement 5 during experiment, protects
Confirmatory test safety.
Tested motor 1 is connected by dynamometer machine on transfer panel, shaft coupling and test platform 3, by electric machine controller 2 and quilt
The harness 6 that triple line between measured motor 1 is used with rotation modified line using vehicle is attached, the high voltage supply line of electric machine controller 2
It is fixed on the 50mm thickness backing materials of low-k with low-voltage power supply line, signal harness, backing material is placed in good earth
Ground plane on, low-voltage power supply line is arranged together with signal wire, with high voltage supply line interval 150mm.Signal wire passes through light
14 received signal of electric conversion module carries out opto-electronic conversion and signal is reached the calculating of the monitoring outside screening arrangement 5 by optical fiber 15
Machine 13.
The characteristics of the utility model has chosen the test platform with dynamometer machine, the platform is by tested motor 1 and load
It is connected directly, rather than motor is connected to the dynamometer machine outside screened room by shaft insulation, simulate motor in vehicle actual conditions
The case where being directly connected to loads such as retarders.Secondly as motor shaft voltage Producing reason be complicated circuit and
The limitation of technique is just more nearly vehicle actual environment using high-tension battery packet 9 and the power supply of Vehicular accumulator cell 10.Therefore this practicality is new
The advantage of type is that it constructs the simulation system of a vehicle electromagnetic environment, preferably simulates the electromagnetism ring of vehicle complexity
Border, meanwhile, rotating speed, the torque etc. of motor are accurately controlled, the electromagnetic compatibility test under real vehicle load condition is simulated.
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 modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of power drive system motor axial direction conducted emission of electric vehicle tests system, it is characterised in that：Including electromagnetism ring
Border simulator, test platform, signal receiving and processing device and monitoring device；
The electromagnetic environmental simulator includes high-tension battery packet, Vehicular accumulator cell, electric machine controller and tested motor, the height
Piezoelectric battery packet connects electric machine controller, and high voltage direct current is provided for electric machine controller, and the electric machine controller connects tested motor,
The Vehicular accumulator cell connection high-tension battery packet and electric machine controller, low voltage control is provided for high-tension battery packet and electric machine controller
Electricity；
The test platform connects tested motor, is controlled for the power to motor；
The signal receiving and processing device includes receiver and voltage probe, and one end of the voltage probe connects tested motor,
The other end connects receiver by coaxial cable；
The monitoring device includes that monitoring computer and photoelectric conversion module, the monitoring computer are connected by photoelectric conversion module
Connect electric machine controller and high-tension battery packet.
2. a kind of power drive system motor axial direction conducted emission of electric vehicle according to claim 1 tests system,
It is characterized in that：The test platform carries dynamometer machine.
3. a kind of power drive system motor axial direction conducted emission of electric vehicle according to claim 2 tests system,
It is characterized in that：The tested motor is attached with dynamometer machine by shaft coupling.
4. a kind of power drive system motor axial direction conducted emission of electric vehicle according to claim 1 tests system,
It is characterized in that：The high-tension battery packet is connect by high voltage supply harness with electric machine controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574072.2U CN207623425U (en) | 2017-11-22 | 2017-11-22 | A kind of power drive system motor axial direction conducted emission test system of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574072.2U CN207623425U (en) | 2017-11-22 | 2017-11-22 | A kind of power drive system motor axial direction conducted emission test system of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207623425U true CN207623425U (en) | 2018-07-17 |
Family
ID=62829851
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721574072.2U Expired - Fee Related CN207623425U (en) | 2017-11-22 | 2017-11-22 | A kind of power drive system motor axial direction conducted emission test system of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207623425U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991556A (en) * | 2017-11-22 | 2018-05-04 | 中国汽车技术研究中心 | The power drive system motor axial direction conducted emission test system and method for electric automobile |
| CN112578191A (en) * | 2020-12-25 | 2021-03-30 | 中汽研汽车检验中心（天津）有限公司 | New energy vehicle and component electromagnetic compatibility performance test system |
-
2017
- 2017-11-22 CN CN201721574072.2U patent/CN207623425U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991556A (en) * | 2017-11-22 | 2018-05-04 | 中国汽车技术研究中心 | The power drive system motor axial direction conducted emission test system and method for electric automobile |
| CN112578191A (en) * | 2020-12-25 | 2021-03-30 | 中汽研汽车检验中心（天津）有限公司 | New energy vehicle and component electromagnetic compatibility performance test system |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20211122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |