CN209513925U - A kind of New energy automobile motor electric control electromagnetic detection system - Google Patents
A kind of New energy automobile motor electric control electromagnetic detection system Download PDFInfo
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- CN209513925U CN209513925U CN201821790260.3U CN201821790260U CN209513925U CN 209513925 U CN209513925 U CN 209513925U CN 201821790260 U CN201821790260 U CN 201821790260U CN 209513925 U CN209513925 U CN 209513925U
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Abstract
The embodiment of the present application provides a kind of New energy automobile motor electric control electromagnetic detection system, including controller, loading system device, anechoic chamber, and power supply, controller, loading system device is all set in anechoic chamber, controller is connect with loading system device, power supply is controller power supply, the output end of controller is connected with denoising device, the denoising device inputs the output signal of the controller in the anechoic chamber, after noise reduction, the controller connects the loading system device by mechanical bearing, the controller changes the speed of the loading system device and torque parameter by adjusting the input voltage of the loading system device and the size of input current.The New energy automobile motor electric control electromagnetic detection system of the application can effectively filter out system interference noise, and removal system reflects the influence to test result, reduce test uncertainty.
Description
Technical field
The utility model relates to technical field of electromagnetic compatibility measurement, specifically a kind of New energy automobile motor electric control electromagnetic inspection
Examining system.
Background technique
A spray of the new-energy automobile industry since most, huge billow till now, the growth momentum of entire industry
It has built up, impersonal force can stop this general trend of events.
It is anti-to the electromagnetic environment locating for it dry in New energy automobile motor electric control electromagnetic compatibility test, especially determinand
The capable radiation transmitting disturbed, conducted emission is some important performance test requests, in early days since power assembly system can not be applied
To the field EMC, the load for especially giving certain revolving speed and torque, reaching corresponding power output leads to some test items
Mesh is unable to get accurate feedback, and test result is abnormal.
Summary of the invention
The utility model is intended to provide a kind of New energy automobile motor electric control electromagnetic detection system, has solved existing electromagnetism
The problems such as test result that compatibility test system occurs is abnormal.
To achieve the above object, the utility model provides a kind of New energy automobile motor electric control electromagnetic detection system, packet
Controller, loading system device, anechoic chamber, and power supply are included, the controller, loading system device are all set in the electric wave
In darkroom, the controller controls the loading system device, and the power supply is controller power supply；The controller it is defeated
Outlet is connected with denoising device, which inputs the anechoic chamber, for the output signal of the controller after noise reduction
Interior, the controller connects the loading system device by mechanical bearing, and the controller is by adjusting the loading system
The input voltage of device and the size of input current change the speed of the loading system device and torque parameter.
Further, the loading system device includes dynamometer machine, Devices to test, equipment power supply, load and linear impedance
Stabilizing network, the dynamometer machine connect with the controller with change speed and torque parameter and by central axis with it is described to be measured
Equipment connection, the equipment power supply connect the Devices to test for powering, and the load connects the output of the Devices to test
End, the linear impedance stabilization network are connect with the Devices to test.
Further, the central axis is equipped with ferrite ceramic tile, and the dynamometer machine carries out electromagnetism by ferrite ceramic tile
Wave absorption makes connection of insulating between Devices to test and dynamometer machine.
Further, the linear impedance stabilization network connects the power supply by battery filter layer, and the power supply is set to
Outside the anechoic chamber, the battery filter layer, which runs through to be equipped between the anechoic chamber, with the Devices to test, inhales wave frame,
The linear impedance stabilization network is set in the suction wave frame.
Further, run through on the anechoic chamber, and be equipped with connector, through the connector outside the anechoic chamber,
It is connected with measuring instrument and is internally connected with antenna in the anechoic chamber,.
Further, the connector is head connector in bulk, and the measuring instrument passes through Devices to test described in antenna detection
Torque and revolving speed.
Further, the denoising device is filter.
A kind of New energy automobile motor electric control electromagnetic detection system according to the present utility model is adjusted by control device and is controlled
Device input voltage and input current size processed realizes that dynamometer machine speed and torque parameter change, the complexity of degraded operation improve operation effect
Rate.The application will be by that by being input to inside darkroom after filter, will interfere maximum source, be placed on control system output
Outside anechoic chamber, effectively completely cut off external interference signals, and by loading system device inside anechoic chamber, while effectively filter
Except system interference noise, and ferrite ceramic tile is added, removal system reflects the influence to test result, and it is uncertain to reduce test
Degree.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is a kind of system block diagram of New energy automobile motor electric control electromagnetic detection system；
Fig. 2 is a kind of structural schematic diagram of New energy automobile motor electric control electromagnetic detection system loading system device；
Fig. 3 is a kind of structural schematic diagram of New energy automobile motor electric control electromagnetic detection system；
Fig. 4 is a kind of test data chart of the non-loading scheme of electromagnetism test in the utility model embodiment；
Fig. 5 is a kind of test data chart of electromagnetism test loading scheme in the utility model embodiment；
Description of symbols: 1- controller, 2- loading system device, 201- dynamometer machine, 202- Devices to test, 203- equipment
Power supply, 204- load, 205- linear impedance stabilization network, 3- anechoic chamber, 4- power supply, 5- denoising device, 6- mechanical bearing, 7-
Central axis, 8- battery filter layer, 9- inhale wave frame, 10- connector, 11- measuring instrument, 12- antenna, 13- optical fiber, 14- monitoring device.
Specific embodiment
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of New energy automobile motor electric control electromagnetic detection system, including controller 1, loading system device
2, anechoic chamber, 3 and power supply 4, controller 1, loading system device 2 are all set in anechoic chamber, 3, the control load of controller 1 system
Bulk cargo sets 2, and power supply 4 is the power supply of controller 1, and the output end of controller 1 is connected with denoising device 5.
Preferably, denoising device 5 is filter to one kind as the present embodiment, is specifically filtered using common-mode filter and differential mode
Device multistage combines filtering, and the output signal of controller 1 will be transmitted in anechoic chamber, 3 after multiple-stage filtering, sufficiently avoid controlling
The interference that end processed generates influences overall test system bring.
Controller 1 connects loading system device 2 by mechanical bearing 6, in test process, by adjusting the input of controller 1
Voltage and current size, realize the change of the speed and torque parameter of dynamometer machine 202 in loading system device 2, accurate test knot
Fruit.
One kind as the present embodiment preferably, scheme according to according in IEC CISPR25-2016 annex I by loading system device 2
I.8 it requires, is designed customization.
As shown in Fig. 2, loading system device 2 includes dynamometer machine 201, Devices to test 202, equipment power supply 203, load 204
With linear impedance stabilization network 205.
Dynamometer machine 201 is connect to change speed and torque parameter and by central axis 7 and Devices to test 202 with controller 1
Connection, equipment power supply 203 connect Devices to test 202 for powering, and the output end of 204 connection Devices to test 202 of load is linear to hinder
Anti- stabilizing network 205 is connect with Devices to test 202.
Particularly, central axis 7 is equipped with ferrite ceramic tile, which keeps Devices to test 202 and dynamometer machine 201 exhausted
Edge connection, dynamometer machine 201 carry out electro-magnetic wave absorption by the ferrite ceramic tile to evade the influence of reflection of electromagnetic wave bring.
Linear impedance stabilization network 205 connects power supply 4 by battery filter layer 8, and power supply 4 is set to outside anechoic chamber, 3, electricity
Source filter layer 8, which runs through between anechoic chamber, 3, with Devices to test 202 to be equipped with, inhales wave frame 9, and linear impedance stabilization network 205, which is set to, to be inhaled
In wave frame 9.
Load 204 can connect the 14 pairs of loads of a monitoring device by optical fiber 13 and carry out real-time monitoring, wherein the optical fiber
13 install according to the mounting means of battery filter layer 8, and in order to reduce interference, monitoring device 14 is placed in the outside of anechoic chamber, 3.
One kind as the present embodiment preferably, as shown in figure 3, running through on anechoic chamber, 3 is equipped with connector 10, connector 10
For head connector in bulk, the junction of connector 10 and anechoic chamber, 3 is sealed setting, is isolated from the outside world completely to complete to make an uproar
Acoustic jamming is evaded.
Measuring instrument 11 is externally connected in anechoic chamber, 3 by the connector 10 and is internally connected with day in anechoic chamber, 3
Line 12, measuring instrument 11 detect the torque rotary speed of Devices to test 202 by antenna 12.
It is anti-to the electromagnetic environment locating for it dry in New energy automobile motor electric control electromagnetic compatibility test, especially determinand
The capable radiation transmitting disturbed, conducted emission is some important performance test requests, since power assembly system can not be applied to EMC
Field, especially load give certain revolving speed and torque, reach corresponding power output, cause some test items can not
Accurate feedback is obtained, test result is abnormal.
As shown in Figure 4 and Figure 5, only conduction voltage method emits comparison data, and component frequency point difference reaches 10dB or more, no
Load test result is too low, can not really feed back actual conditions, the test result of load test technical solution, and data frequency point is poor
Different smaller, test macro is small by external interference, and data reliability is high, and test data can sufficiently reflect test result.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of New energy automobile motor electric control electromagnetic detection system, including controller (1), loading system device (2), electric wave are dark
Room (3) and power supply (4), the controller (1), loading system device (2) are all set in the anechoic chamber, (3), the control
Device (1) processed controls the loading system device (2), and the power supply (4) is the controller (1) power supply, it is characterised in that:
The controller (1) connects the loading system device (2) by mechanical bearing (6), to make the controller (1) energy
Enough by adjusting the input voltage of the loading system device (2) and the size of input current, change the loading system device
(2) speed and torque parameter of dynamometer machine (201)；
The output end of the controller (1) is connected with denoising device (5), and the denoising device (5) is by the defeated of the controller (1)
Signal inputs after noise reduction to the dynamometer machine (201) out.
2. a kind of New energy automobile motor electric control electromagnetic detection system according to claim 1, it is characterised in that: described to add
Loading system device (2) further includes Devices to test (202), equipment power supply (203), load (204) and linear impedance stabilization network
(205), the dynamometer machine (201) is connect by central axis (7) with the Devices to test (202), and the equipment power supply (203) is even
The Devices to test (202) are connect for powering, the load (204) connects the output end of the Devices to test (202), the line
Property impedance stable network (205) is connect with the Devices to test (202).
3. a kind of New energy automobile motor electric control electromagnetic detection system according to claim 2, it is characterised in that: in described
Mandrel (7) is equipped with ferrite ceramic tile, and the dynamometer machine (201) is made described by ferrite ceramic tile progress electro-magnetic wave absorption
It insulate and connects between Devices to test (202) and the dynamometer machine (201).
4. a kind of New energy automobile motor electric control electromagnetic detection system according to claim 2, it is characterised in that: the line
Property impedance stable network (205) by battery filter layer (8) connect the power supply (4), it is dark that the power supply (4) is set to the electric wave
Room (3) is external, and the battery filter layer (8) is arranged through the anechoic chamber, (3), sets between the Devices to test (202)
Have and inhale wave frame (9), the linear impedance stabilization network (205) is set in the suction wave frame (9).
5. a kind of New energy automobile motor electric control electromagnetic detection system according to claim 2, it is characterised in that: the electricity
Through connector (10) are equipped on wave darkroom (3), measurement is externally connected in the anechoic chamber, (3) by the connector (10)
Instrument (11) and antenna (12) are internally connected in the anechoic chamber, (3).
6. a kind of New energy automobile motor electric control electromagnetic detection system according to claim 5, it is characterised in that: the company
Connecing device (10) is head connector in bulk, and the measuring instrument (11) detects the torque of the Devices to test (202) by antenna (12)
And revolving speed.
7. a kind of New energy automobile motor electric control electromagnetic detection system according to claim 1, it is characterised in that: the drop
Device (5) are made an uproar as filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821790260.3U CN209513925U (en) | 2018-11-01 | 2018-11-01 | A kind of New energy automobile motor electric control electromagnetic detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821790260.3U CN209513925U (en) | 2018-11-01 | 2018-11-01 | A kind of New energy automobile motor electric control electromagnetic detection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093698A (en) * | 2021-03-29 | 2021-07-09 | 一汽奔腾轿车有限公司 | Automobile trunk kick controller test system and control method thereof |
| CN113721083A (en) * | 2021-09-02 | 2021-11-30 | 深圳市德普华电子测试技术有限公司 | Radiation stray test system and test method |
-
2018
- 2018-11-01 CN CN201821790260.3U patent/CN209513925U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093698A (en) * | 2021-03-29 | 2021-07-09 | 一汽奔腾轿车有限公司 | Automobile trunk kick controller test system and control method thereof |
| CN113721083A (en) * | 2021-09-02 | 2021-11-30 | 深圳市德普华电子测试技术有限公司 | Radiation stray test system and test method |
| CN113721083B (en) * | 2021-09-02 | 2024-02-23 | 深圳市德普华电子测试技术有限公司 | Radiation stray test system and test method |
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