CN111796151A - Electromagnetic compatibility test system of all-in-one electric drive assembly - Google Patents
Electromagnetic compatibility test system of all-in-one electric drive assembly Download PDFInfo
- Publication number
- CN111796151A CN111796151A CN202010754814.XA CN202010754814A CN111796151A CN 111796151 A CN111796151 A CN 111796151A CN 202010754814 A CN202010754814 A CN 202010754814A CN 111796151 A CN111796151 A CN 111796151A
- Authority
- CN
- China
- Prior art keywords
- electric drive
- drive assembly
- tested
- voltage
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 239000002184 metal Substances 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 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
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention provides an electromagnetic compatibility testing system of an all-in-one electric drive assembly, which can realize electromagnetic compatibility testing of the all-in-one electric drive assembly. The system, comprising: the electric drive assembly to be tested is fixed on a low dielectric constant support, and the low dielectric constant support is positioned on a grounding metal plane of the anechoic chamber; a high-voltage direct-current power supply system and a low-voltage direct-current power supply system which provide direct current for the electric drive assembly to be tested; the alternating current power supply system is used for supplying alternating current to a charger in the electric drive assembly to be tested; the dynamometer system is used for controlling the rotating speed and the torque of a driving motor in the electric drive assembly to be tested; the VCU load box control system is used for controlling a VCU controller in the electric drive assembly to be tested; wherein, the electric drive assembly that awaits measuring includes: the VCU controller, the driving motor, the speed reducer, the charger, the motor controller, the DC/DC converter, the DC/AC inverter and the high-voltage junction box are integrated in the same module.
Description
Technical Field
The invention relates to an electromagnetic compatibility testing scheme of an all-in-one electric drive assembly of a new energy automobile, in particular to an electromagnetic compatibility testing system of the all-in-one electric drive assembly.
Background
The all-in-one electric drive assembly is gradually and widely applied to new energy automobiles, compared with the traditional discrete electric drive parts, the electromagnetic interference characteristics of the all-in-one electric drive assembly are obviously different, and on one hand, the internal copper bars are utilized to replace three-phase lines and partial high-voltage wire harnesses, so that the electromagnetic interference related to high-voltage wire harness factors is effectively reduced; on the other hand, the charger, the motor controller and the DC/DC converter are integrated, the charger comprises more disturbance sources such as high-voltage and high-frequency power electronic devices and motors, the inductive load impedance characteristic is complex, the space distance between the low-voltage controller and the high-voltage module is small, and the problem of electromagnetic coupling is easily caused. Therefore, the electromagnetic interference characteristic of the all-in-one electric drive assembly can cause the risk of electromagnetic compatibility of the whole vehicle, and a reasonable test scheme needs to be formulated for the electromagnetic emission characteristic of the whole vehicle.
Disclosure of Invention
The invention provides an electromagnetic compatibility testing system of an all-in-one electric drive assembly, which can realize electromagnetic compatibility testing of the all-in-one electric drive assembly.
The technical scheme of the invention is as follows:
the embodiment of the invention provides an electromagnetic compatibility test system of an all-in-one electric drive assembly, which comprises:
the electric drive assembly to be tested is fixed on a low dielectric constant support, and the low dielectric constant support is positioned on a grounding metal plane of the anechoic chamber;
a high-voltage direct-current power supply system and a low-voltage direct-current power supply system which provide direct current for the electric drive assembly to be tested;
the alternating current power supply system is used for supplying alternating current to a charger in the electric drive assembly to be tested;
the dynamometer system is used for controlling the rotating speed and the torque of a driving motor in the electric drive assembly to be tested;
the VCU load box control system is used for controlling a VCU controller in the electric drive assembly to be tested; wherein,
the electric drive assembly that awaits measuring includes: the VCU controller, the driving motor, the speed reducer, the charger, the motor controller, the DC/DC converter, the DC/AC inverter and the high-voltage junction box are integrated in the same module.
Preferably, the high voltage dc power supply system comprises:
the high-voltage direct-current power supply is arranged outside the anechoic chamber;
the high-voltage filter is arranged on a darkroom wall of the anechoic chamber;
the impedance matching network is connected with the electric drive assembly to be tested through a high-voltage direct current wire harness;
the high-voltage direct-current power supply is connected with the high-voltage filter, two output ends of the high-voltage filter are respectively connected with one group of input ends of the high-voltage line impedance stabilizing networks, one output end of each of the two groups of high-voltage line impedance stabilizing networks is respectively connected with one group of first loads, and the other output end of each of the two groups of high-voltage line impedance stabilizing networks is connected with the input end of the impedance matching network.
Preferably, the low voltage dc power supply system includes:
the low-voltage direct-current power supply, the two groups of low-voltage line impedance stabilizing networks and the two groups of second loads are arranged on a grounding metal plane of the anechoic chamber;
the output end of the low-voltage direct-current power supply is respectively connected with the input ends of the two groups of low-voltage line impedance stabilizing networks, one output end of each of the two groups of low-voltage line impedance stabilizing networks is respectively connected with one group of second loads, and the other output end of each of the two groups of low-voltage line impedance stabilizing networks is respectively connected with the electric drive assembly to be tested through a low-voltage wire harness.
Preferably, the VCU load box handling system includes:
a VCU load observer arranged outside the anechoic chamber;
a load connector arranged on a darkroom wall of the anechoic chamber;
the VCU load box is arranged on a grounding metal plane of the anechoic chamber, the VCU load observer, the load connector and the VCU load box are sequentially connected, and the VCU load box is connected with the electric drive assembly to be tested.
Preferably, the ac power supply system includes:
an alternating current power supply arranged outside the anechoic chamber;
the alternating current filter is arranged on a darkroom wall of the anechoic chamber;
the alternating current AMN is arranged on a grounding metal plane of the anechoic chamber;
the alternating current power supply, the alternating current filter and the alternating current AMN are sequentially connected, and the alternating current AMN is connected with the electric drive assembly to be tested.
Preferably, the dynamometer system includes:
the dynamometer is arranged outside the anechoic chamber;
the filtering mechanical bearing is arranged on the darkroom wall of the anechoic chamber;
the dynamometer is connected with the filtering mechanical bearing, and the filtering mechanical bearing is connected with the electric drive assembly to be tested through a mechanical connecting shaft.
Preferably, a grounding woven bag is arranged on a grounding metal plane of the anechoic chamber, and the electric drive assembly to be tested is connected with the grounding woven bag through a wire harness.
Preferably, the system further comprises: and the 12V storage battery load and the 220V alternating current resistance load are arranged on a grounding metal plane of the anechoic chamber, and both the 12V storage battery load and the 220V alternating current resistance load are connected with the electric drive assembly to be tested.
The invention has the beneficial effects that:
the system is suitable for the electromagnetic compatibility test of the all-in-one electric drive assembly of the new energy automobile, the theoretical maximum interference working state test of the all-in-one electric drive assembly can be realized by adopting the scheme, different test states are divided according to types for testing different functions, the scheme covers all defined functions, the different test states are considered to be matched with proper test working conditions, the test time can be effectively reduced, and the electromagnetic compatibility interference characteristic investigation with low cost and high efficiency is realized.
Drawings
FIG. 1 is a schematic layout diagram of an electromagnetic compatibility test of an all-in-one electric drive assembly for a vehicle according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the electrical connections within the all-in-one electric drive assembly to which the present invention is directed;
description of reference numerals: 1-an electric drive assembly to be tested; 2-a ground metal plane; 3-a low dielectric constant support; 4-50 omega load; 5-low voltage wiring harness; 6-high voltage direct current wiring harness; 7-low voltage load (VCU load box); 8-an impedance matching network; 9-low voltage LISN; 10-high voltage LISN; 11-an alternating current power supply; 12-an ac filter; 13-low voltage dc supply; 14-high voltage dc power supply; 15-a high voltage filter; 16-VCU load observer; 17-a load connector; 18-a dynamometer; 19-filter mechanical bearings; 20-alternating current AMN; 21-a mechanical connection shaft; 22-ground braid; 23-anechoic chamber; 24-12V battery load; 25-220V AC resistance load;
101-VCU controller; 102-a motor controller; 103-charger-DC/AC inverter-DC/DC converter-high voltage junction box; 104-a drive motor; 105-speed reducer.
Detailed Description
Referring to fig. 1 and 2, an embodiment of the present invention provides an electromagnetic compatibility testing system for an all-in-one electric drive assembly, where the electric drive assembly integrates a motor controller 102, a driving motor 104, a speed reducer 105, a power module 103 (integrated with a charger, a DC/DC converter, a DC/AC inverter, a high-voltage junction box), and a VCU controller 101, and the motor controller 102, the driving motor 104, the speed reducer 105, the power module 103, and the VCU controller 101 are assembled inside a same metal housing and share a low-voltage DC power interface and a high-voltage DC power interface. The connection method of each structure is the same as that described in the prior art.
In the present embodiment, the VCU controller 101, the reducer 105, the driving motor 104, the motor controller 102, and the power module 103 may be integrated together in a manner described in patent document with reference to patent number "CN 210911983U" and in patent application document with publication number "CN 109353201A".
Referring to fig. 1, in this embodiment, to implement an electromagnetic compatibility test on an all-in-one electric drive assembly, an electromagnetic compatibility test system for an all-in-one electric drive assembly is provided, including: the electric drive assembly 1 to be tested is fixed on a low dielectric constant support 3, and the low dielectric constant support 3 is positioned on a grounding metal plane 2 of an anechoic chamber 23; a high-voltage direct-current power supply system and a low-voltage direct-current power supply system which provide direct current for the electric drive assembly 1 to be tested; the alternating current power supply system is used for supplying alternating current to a charger in the electric drive assembly 1 to be tested; a dynamometer system for controlling the rotating speed and the torque of the driving motor 104 in the electric drive assembly 1 to be tested; a VCU load box control system for controlling the VCU controller 101 in the electric drive assembly 1 to be tested; wherein,
the electric drive assembly 1 to be tested comprises: the VCU controller 101, the driving motor 104, the reducer 105, and the charger, the motor controller, the DC/DC converter, the DC/AC inverter, and the high voltage junction box integrated in the same power module 103.
Wherein, as shown in fig. 1, the high voltage dc power supply system comprises: a high voltage direct current power supply 14 arranged outside the anechoic chamber 23; a high voltage filter 15 arranged on the darkroom wall of the anechoic chamber 23; two groups of high-voltage line impedance stabilizing networks (high-voltage LISN 10), two groups of first loads (50 omega loads 4) and an impedance matching network 8 are arranged on a grounding metal plane 2 of the anechoic chamber 23, and the impedance matching network 8 is connected with the electric drive assembly 1 to be tested through a high-voltage direct-current wiring harness 6; the high-voltage direct-current power supply is connected with the high-voltage filter 15, two output ends of the high-voltage filter 15 are respectively connected with the input ends of a high-voltage line impedance stabilizing network (high-voltage LISN 10), one of the output ends of the high-voltage line impedance stabilizing network (high-voltage LISN 10) is respectively connected with a group of first loads (50 omega loads 4), and the other output end of the high-voltage line impedance stabilizing network (high-voltage LISN 10) is connected with the input end of the impedance matching network 8.
As shown in fig. 1, the low-voltage dc power supply system includes: a low-voltage direct-current power supply 13, two groups of low-voltage line impedance stabilizing networks (low-voltage LISN 9) and two groups of second loads (50 omega loads 4) which are arranged on the grounding metal plane 2 of the anechoic chamber 23; the output end of the low-voltage direct-current power supply 13 is respectively connected with the input ends of the two groups of low-voltage line impedance stabilizing networks (low-voltage LISN 9), one output end of each of the two groups of low-voltage line impedance stabilizing networks (low-voltage LISN 9) is respectively connected with one group of second loads (50 omega loads 4), and the other output end of each of the two groups of low-voltage line impedance stabilizing networks (low-voltage LISN 9) is respectively connected with the electric drive assembly 1 to be tested through a low-voltage wiring harness 5.
Wherein, as shown in fig. 1, the VCU load box control system includes: a VCU load observer 16 provided outside the anechoic chamber 23; a load connector 17 provided on a dark room wall of the anechoic chamber 23; the VCU load box 7 is disposed on the ground metal plane 2 of the anechoic chamber 23, the VCU load observer 16, the load connector 17 and the VCU load box 7 are sequentially connected, and the VCU load box 7 is connected to the electric drive assembly 1 to be tested.
As shown in fig. 1, the ac power supply system includes: an ac power supply 11 provided outside the anechoic chamber 23; an ac filter 12 provided on a darkroom wall of the anechoic chamber 23;
an ac AMN20 disposed on the ground metal plane 2 of the anechoic chamber 23;
the alternating current power supply 11, the alternating current filter 12 and the alternating current AMN20 are sequentially connected, and the alternating current AMN20 is connected with the electric drive assembly 1 to be tested.
Wherein, as shown in fig. 1, the dynamometer system includes: a dynamometer 18 disposed outside the anechoic chamber 23; a filtering mechanical bearing 19 arranged on the darkroom wall of the anechoic chamber 23; the dynamometer 18 is connected with the filtering mechanical bearing 19, and the filtering mechanical bearing 19 is connected with the electric drive assembly 1 to be tested through a mechanical connecting shaft 21.
As shown in fig. 1, a grounding woven bag 22 is arranged on a grounding metal plane 2 of the anechoic chamber, and the electric drive assembly 1 to be tested is connected with the grounding woven bag 22 through a wire harness.
As in fig. 1, the system further comprises: 12V storage battery load 24 and 220V alternating current resistance load 25 which are arranged on the grounding metal plane 2 of the anechoic chamber 23, wherein the 12V storage battery load 24 and the 220V alternating current resistance load 25 are both connected with the electric drive assembly 1 to be tested.
Because the interference emission test needs to be performed in the theoretical maximum interference working state, different test states need to be divided for testing when different function starting circuits are different, so that the test states are formulated as follows in the embodiment:
the first state: the motor controller 102 is driven in a forward rotation mode, the DC/AC and DC/DC functions are output in an on-load mode, and the VCU load box 7 is driven in an on-load mode;
and a second state: the motor controller 102 is driven in a reverse rotation mode, the DC/AC and DC/DC functions are output in a load-carrying mode, and the VCU is driven in a load-carrying mode;
and a third state: the motor controller 102 is driven in an idling and no-load mode, a DC/AC inverter and a DC/DC function are output in a load-carrying mode, and a VCU load box 7 is driven in a load-carrying mode;
and a fourth state: the motor controller 102 is in standby, the AC/DC and DC/DC functions are output with load, and the VCU is driven with load;
the interference characteristics of the high-voltage interference sources in normal work and VCU load box 7 in loaded work are respectively inspected in the first state, the interference characteristics of the interference sources under the reversing working condition are inspected in the second state, the interference characteristics under the no-load work are inspected in the third state, the test result is compared with the first state and provides data support for multi-working-condition frequency spectrum analysis, and the fourth state is used for inspecting the interference characteristics under the charging working condition.
In this embodiment, when the system is used for performing the electromagnetic compatibility test, the test needs to be completed for one to four states respectively, specifically as follows:
the first state:
1. the experimental setup was completed as in figure 1.
2. And (3) turning on the low-voltage direct-current power supply 13, turning on the high-voltage direct-current power supply 14, setting the voltage of the high-voltage direct-current power supply 14 to be the rated value of the all-in-one electric drive assembly to be tested, and confirming that the high-voltage power-on state is normal and the DC/DC inverter and the DC/AC function are normally turned on.
3. And controlling the VCU load box 7 to open VCU driving and output, adjusting the rotating speed of the dynamometer 18 to be in a forward rotation mode, increasing the rotating speed to a required value of a testing working condition, and increasing the torque of the electric drive assembly to be tested to the required value of the testing working condition.
4. After 5 minutes of stable operation, the test and recording of the index were started according to the CISPR25 standard.
5. The rotation speed and the torque are set to be 0, the VCU load box 7 is closed, and the high-voltage direct-current power supply 14 and the low-voltage direct-current power supply 13 are closed.
And a second state:
1. the experimental setup was completed as in figure 1.
2. And (3) turning on the low-voltage direct-current power supply and the high-voltage direct-current power supply 13, setting the voltage to be the rated value of the all-in-one electric drive assembly to be tested, confirming that the high-voltage electrifying state is normal, and normally starting the functions of the DC/DC converter and the DC/AC inverter.
3. And controlling the VCU load box 7 to open VCU driving and output, adjusting the rotating speed of the dynamometer 18 to be a reverse rotating mode, increasing the rotating speed to a required value of a testing working condition, and increasing the torque of the electric drive assembly to be tested to the required value of the testing working condition.
4. After 5 minutes of stable operation, the test and recording of the index were started according to the CISPR25 standard.
5. The rotation speed and the torque are set to be 0, the VCU load box 7 is closed, and the high-voltage direct-current power supply 14 and the low-voltage direct-current power supply are closed.
And a third state:
1. the experimental setup was completed as in figure 1.
2. And (3) turning on the low-voltage direct-current power supply 13, turning on the high-voltage direct-current power supply 14, setting the voltage to be the rated value of the electric drive assembly to be tested, confirming that the high-voltage electrifying state is normal, and normally turning on the functions of the DC/DC converter and the DC/AC inverter.
3. And controlling the VCU load box 7 to open VCU driving and output, adjusting the rotating speed of the dynamometer 18 to be a forward rotation mode, increasing the rotating speed to a required value of a testing working condition, and setting the torque of the electric drive assembly 1 to be tested to be 0.
4. After 5 minutes of stable operation, the test and recording of the index were started according to the CISPR25 standard.
5. The rotating speed is set to be 0, the VCU load box 7 is closed, and the high-voltage direct-current power supply 14 and the low-voltage direct-current power supply 13 are closed.
And a fourth state:
1. the experimental setup was completed as in figure 1.
2. And (3) turning on the low-voltage direct-current power supply 13, turning on the high-voltage direct-current power supply 14, turning on the alternating-current power supply 15, setting the voltages of the three power supplies as rated values of the electric drive assembly to be tested, and confirming that the high-voltage power-on state is normal and the functions of the DC/DC converter and the DC/AC inverter are normally started.
3. And controlling the VCU load box 7 to open VCU driving and output.
4. After 5 minutes of stable operation, the test and recording of the index were started according to the CISPR25 standard.
5. And (3) turning off the VCU load box 7, and turning off the alternating current power supply 15, the high-voltage direct current power supply 14 and the low-voltage direct current power supply 13.
The system is suitable for the electromagnetic compatibility test of the all-in-one electric drive assembly of the new energy automobile, the theoretical maximum interference working state test of the all-in-one electric drive assembly can be realized by adopting the scheme, different test states are divided according to types for testing different functions, the scheme covers all defined functions, the different test states are considered to be matched with proper test working conditions, the test time can be effectively reduced, and the electromagnetic compatibility interference characteristic investigation with low cost and high efficiency is realized.
The embodiments described above describe only some of the one or more embodiments of the present invention, but those skilled in the art will recognize that the invention can be embodied in many other forms without departing from the spirit or scope thereof. Accordingly, the present examples and embodiments are to be considered as illustrative and not restrictive, and various modifications and substitutions may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (8)
1. An electromagnetic compatibility testing system of an all-in-one electric drive assembly, comprising:
the electric drive assembly (1) to be tested is fixed on a low dielectric constant support (3), and the low dielectric constant support (3) is positioned on a grounding metal plane (2) of an anechoic chamber (23);
a high-voltage direct-current power supply system and a low-voltage direct-current power supply system which provide direct current for the electric drive assembly (1) to be tested;
the alternating current power supply system is used for providing alternating current for a charger in the electric drive assembly (1) to be tested;
the dynamometer system is used for controlling the rotating speed and the torque of a driving motor in the electric drive assembly (1) to be tested;
the VCU load box control system is used for controlling a VCU controller in the electric drive assembly (1) to be tested; wherein,
the electric drive assembly (1) to be tested comprises: the device comprises a VCU controller (101), a driving motor (104), a speed reducer (105), a charger, a motor controller, a DC/DC converter, a DC/AC inverter and a high-voltage junction box which are integrated in the same module.
2. The system of claim 1, wherein the high voltage dc power supply system comprises:
a high voltage direct current power supply (14) arranged outside the anechoic chamber (23);
a high voltage filter (15) arranged on a darkroom wall of the anechoic chamber (23);
the device comprises two groups of high-voltage line impedance stabilizing networks (10), two groups of first loads and an impedance matching network (8) which are arranged on a grounding metal plane (2) of the anechoic chamber (23), wherein the impedance matching network (8) is connected with the electric drive assembly (1) to be tested through a high-voltage direct current wiring harness (6);
the high-voltage direct current power supply (14) is connected with the high-voltage filter (15), two output ends of the high-voltage filter (15) are respectively connected with input ends of a group of high-voltage line impedance stabilizing networks (10), one output end of each of the two groups of high-voltage line impedance stabilizing networks (10) is respectively connected with a group of first loads, and the other output end of each of the two groups of high-voltage line impedance stabilizing networks (10) is connected with the input end of the impedance matching network (8).
3. The system of claim 1, wherein the low voltage dc power supply system comprises:
the low-voltage direct-current power supply (13), the two groups of low-voltage line impedance stabilizing networks (9) and the two groups of second loads are arranged on a grounding metal plane (2) of the anechoic chamber (23);
the output end of the low-voltage direct-current power supply (13) is respectively connected with the input ends of the two groups of low-voltage line impedance stabilizing networks (9), one output end of each of the two groups of low-voltage line impedance stabilizing networks (9) is respectively connected with one group of second loads, and the other output end of each of the two groups of low-voltage line impedance stabilizing networks (9) is respectively connected with the electric drive assembly (1) to be tested through a low-voltage wire harness (5).
4. The system of claim 3, wherein the VCU load box handling system comprises:
a VCU load observer (16) provided outside the anechoic chamber (23);
a load connector (17) provided on a dark room wall of the anechoic chamber (23);
the VCU load box (7) is arranged on a grounding metal plane (2) of the anechoic chamber (23), the VCU load observer (16), the load connector (17) and the VCU load box (7) are sequentially connected, and the VCU load box (7) is connected with the electric drive assembly (1) to be tested.
5. The system of claim 1, wherein the ac power system comprises:
an alternating current power supply (11) arranged outside the anechoic chamber (23);
an AC filter (12) arranged on a darkroom wall of the anechoic chamber (23);
an alternating current AMN (10) disposed on a ground metal plane (2) of the anechoic chamber (23);
the alternating current power supply (11), the alternating current filter (12) and the alternating current AMN (10) are sequentially connected, and the alternating current AMN (10) is connected with the electric drive assembly (1) to be tested.
6. The system of claim 1, wherein the dynamometer system includes:
a dynamometer (18) arranged outside the anechoic chamber (23);
a filtering mechanical bearing (19) arranged on the darkroom wall of the anechoic chamber (23);
the dynamometer (18) is connected with the filtering mechanical bearing (19), and the filtering mechanical bearing (19) is connected with the electric drive assembly (1) to be tested through a mechanical connecting shaft (21).
7. The system according to claim 1, characterized in that a ground woven bag (22) is arranged on the ground metal plane (2) of the anechoic chamber (23), and the electric drive assembly (1) to be tested is connected with the ground woven bag (22) through a wire harness.
8. The system of claim 1, further comprising: 12V storage battery load (24) and 220V alternating current resistance load (25) arranged on a grounding metal plane (2) of the anechoic chamber (23), wherein the 12V storage battery load (24) and the 220V alternating current resistance load (25) are both connected with the electric drive assembly (1) to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010754814.XA CN111796151A (en) | 2020-07-31 | 2020-07-31 | Electromagnetic compatibility test system of all-in-one electric drive assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010754814.XA CN111796151A (en) | 2020-07-31 | 2020-07-31 | Electromagnetic compatibility test system of all-in-one electric drive assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111796151A true CN111796151A (en) | 2020-10-20 |
Family
ID=72827972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010754814.XA Pending CN111796151A (en) | 2020-07-31 | 2020-07-31 | Electromagnetic compatibility test system of all-in-one electric drive assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111796151A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557711A (en) * | 2020-12-29 | 2021-03-26 | 中国汽车技术研究中心有限公司 | Electromagnetic compatibility test bench and test method for high-voltage system assembly of electric passenger vehicle |
| CN114407657A (en) * | 2021-12-27 | 2022-04-29 | 广东汇天航空航天科技有限公司 | Power supply system control method and device of flying vehicle and flying vehicle |
| CN114675111A (en) * | 2022-03-31 | 2022-06-28 | 重庆长安新能源汽车科技有限公司 | Electromagnetic compatibility emission test system and method for all-in-one electric drive system |
| CN115128316A (en) * | 2022-06-16 | 2022-09-30 | 重庆长安新能源汽车科技有限公司 | Electromagnetic compatibility test system and method for voltage-saving inspection unit |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1022182A1 (en) * | 1999-01-20 | 2000-07-26 | Voith Turbo GmbH & Co. KG | Drive system for automobile, especially for commercial vehicles, and electrical unit |
| CN101650410A (en) * | 2009-06-30 | 2010-02-17 | 奇瑞汽车股份有限公司 | Test stand system of electric automobile driving motor |
| CN102043101A (en) * | 2009-10-19 | 2011-05-04 | 上海机动车检测中心 | Method for testing electromagnetic compatibility (EMC) of electrically-driven automobile |
| CN102305715A (en) * | 2011-05-20 | 2012-01-04 | 清华大学 | Dynamic load simulating device and method for automobile power system test |
| CN203759165U (en) * | 2014-03-21 | 2014-08-06 | 中国电子科技集团公司第二十七研究所 | Electric automobile motor EMC test shielding transmission system |
| CN104101803A (en) * | 2014-07-07 | 2014-10-15 | 中国汽车工程研究院股份有限公司 | EMC performance testing system under motor on-load condition |
| CN104615125A (en) * | 2015-01-09 | 2015-05-13 | 北京新能源汽车股份有限公司 | Whole vehicle network testing system applied to new energy vehicle |
| CN106771787A (en) * | 2017-03-10 | 2017-05-31 | 中国汽车工程研究院股份有限公司 | A kind of drive system of electric automobile Electro Magnetic Compatibility band carries test system |
| CN207440193U (en) * | 2016-11-08 | 2018-06-01 | 中国汽车技术研究中心 | Electromagnetic interference test system of electric drive system of electric automobile |
| CN208076160U (en) * | 2018-02-11 | 2018-11-09 | 智车优行科技（上海）有限公司 | Power assembly test bench |
| CN109490653A (en) * | 2017-09-10 | 2019-03-19 | 苏州电器科学研究院股份有限公司 | Electromagnetic compatibility (EMC) test method of photovoltaic DC-to-AC converter |
| CN209342384U (en) * | 2018-12-27 | 2019-09-03 | 四川诚邦测控技术有限公司 | A kind of new energy electricity drive assembly performance test macro |
| CN110333412A (en) * | 2019-07-19 | 2019-10-15 | 深圳市北测标准技术服务有限公司 | New energy automobile electric drive system electromagnetic compatibility test load device and test system |
| CN209870081U (en) * | 2019-04-30 | 2019-12-31 | 重庆长安新能源汽车科技有限公司 | Electric drive system assembly and electric automobile |
| CN110850222A (en) * | 2019-12-05 | 2020-02-28 | 重庆清研理工电子技术有限公司 | Electromagnetic compatibility performance testing system of new energy automobile motor driving system |
| CN110907734A (en) * | 2019-12-05 | 2020-03-24 | 重庆清研理工电子技术有限公司 | Electromagnetic compatibility performance testing method for new energy automobile motor driving system |
| CN111398819A (en) * | 2020-04-30 | 2020-07-10 | 安徽精科检测技术有限公司 | General loading test system for electromagnetic compatibility of power systems of commercial vehicle and passenger vehicle |
-
2020
- 2020-07-31 CN CN202010754814.XA patent/CN111796151A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1022182A1 (en) * | 1999-01-20 | 2000-07-26 | Voith Turbo GmbH & Co. KG | Drive system for automobile, especially for commercial vehicles, and electrical unit |
| CN101650410A (en) * | 2009-06-30 | 2010-02-17 | 奇瑞汽车股份有限公司 | Test stand system of electric automobile driving motor |
| CN102043101A (en) * | 2009-10-19 | 2011-05-04 | 上海机动车检测中心 | Method for testing electromagnetic compatibility (EMC) of electrically-driven automobile |
| CN102305715A (en) * | 2011-05-20 | 2012-01-04 | 清华大学 | Dynamic load simulating device and method for automobile power system test |
| CN203759165U (en) * | 2014-03-21 | 2014-08-06 | 中国电子科技集团公司第二十七研究所 | Electric automobile motor EMC test shielding transmission system |
| CN104101803A (en) * | 2014-07-07 | 2014-10-15 | 中国汽车工程研究院股份有限公司 | EMC performance testing system under motor on-load condition |
| CN104615125A (en) * | 2015-01-09 | 2015-05-13 | 北京新能源汽车股份有限公司 | Whole vehicle network testing system applied to new energy vehicle |
| CN207440193U (en) * | 2016-11-08 | 2018-06-01 | 中国汽车技术研究中心 | Electromagnetic interference test system of electric drive system of electric automobile |
| CN106771787A (en) * | 2017-03-10 | 2017-05-31 | 中国汽车工程研究院股份有限公司 | A kind of drive system of electric automobile Electro Magnetic Compatibility band carries test system |
| CN109490653A (en) * | 2017-09-10 | 2019-03-19 | 苏州电器科学研究院股份有限公司 | Electromagnetic compatibility (EMC) test method of photovoltaic DC-to-AC converter |
| CN208076160U (en) * | 2018-02-11 | 2018-11-09 | 智车优行科技（上海）有限公司 | Power assembly test bench |
| CN209342384U (en) * | 2018-12-27 | 2019-09-03 | 四川诚邦测控技术有限公司 | A kind of new energy electricity drive assembly performance test macro |
| CN209870081U (en) * | 2019-04-30 | 2019-12-31 | 重庆长安新能源汽车科技有限公司 | Electric drive system assembly and electric automobile |
| CN110333412A (en) * | 2019-07-19 | 2019-10-15 | 深圳市北测标准技术服务有限公司 | New energy automobile electric drive system electromagnetic compatibility test load device and test system |
| CN110850222A (en) * | 2019-12-05 | 2020-02-28 | 重庆清研理工电子技术有限公司 | Electromagnetic compatibility performance testing system of new energy automobile motor driving system |
| CN110907734A (en) * | 2019-12-05 | 2020-03-24 | 重庆清研理工电子技术有限公司 | Electromagnetic compatibility performance testing method for new energy automobile motor driving system |
| CN111398819A (en) * | 2020-04-30 | 2020-07-10 | 安徽精科检测技术有限公司 | General loading test system for electromagnetic compatibility of power systems of commercial vehicle and passenger vehicle |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557711A (en) * | 2020-12-29 | 2021-03-26 | 中国汽车技术研究中心有限公司 | Electromagnetic compatibility test bench and test method for high-voltage system assembly of electric passenger vehicle |
| CN114407657A (en) * | 2021-12-27 | 2022-04-29 | 广东汇天航空航天科技有限公司 | Power supply system control method and device of flying vehicle and flying vehicle |
| CN114407657B (en) * | 2021-12-27 | 2023-11-03 | 广东汇天航空航天科技有限公司 | Power supply system control method and device for flying vehicle and flying vehicle |
| CN114675111A (en) * | 2022-03-31 | 2022-06-28 | 重庆长安新能源汽车科技有限公司 | Electromagnetic compatibility emission test system and method for all-in-one electric drive system |
| CN115128316A (en) * | 2022-06-16 | 2022-09-30 | 重庆长安新能源汽车科技有限公司 | Electromagnetic compatibility test system and method for voltage-saving inspection unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111796151A (en) | Electromagnetic compatibility test system of all-in-one electric drive assembly | |
| CN104753352B (en) | The apparatus and method of the multivoltage output of the low-voltage DC-DC converter of Cleaning Equipment | |
| CN103066636A (en) | Electronic control unit | |
| CN111487546B (en) | Electromagnetic interference simulation test system and method | |
| CN105667330A (en) | Control method and system for DCDC (direct current direct current) | |
| DE102020106701A1 (en) | SYSTEM AND METHOD FOR AVOIDING INRUSH CURRENT IN A VEHICLE MICRONET | |
| CN111722133A (en) | Power battery detection equipment for electric automobile | |
| CN112636089A (en) | Electrified vehicle with power receptacle | |
| CN114336905A (en) | Charging and discharging device and vehicle | |
| US8120363B2 (en) | Voltage drop compensation for an electric power storage device charging system | |
| CN114895128A (en) | All-in-one electric drive electromagnetic compatibility test system for new energy automobile | |
| CN221340215U (en) | Power supply device, battery system of vehicle and vehicle | |
| US20230264594A1 (en) | Single phase vehicle to home electric vehicle supply equipment | |
| CN113844282B (en) | High-voltage on-board electrical system for a vehicle and method for setting up such a system | |
| CN217789541U (en) | Power supply circuit and power supply device | |
| KR102642061B1 (en) | Apparatus for driving relay of electric vehicle | |
| DE102023103747A1 (en) | INVERTER FOR ELECTRIFIED VEHICLE WITH TWO NEUTRAL LEG | |
| CN115754530A (en) | Electric drive assembly durability test method with direct-current boosting and charging function | |
| EP4047782A1 (en) | Universal and versatile charger for electric vehicle battery | |
| CN205297810U (en) | Internal -combustion engine starts auxiliary device | |
| DE102013012163A1 (en) | Test device for testing high-voltage components of a vehicle | |
| CN113960400A (en) | High-voltage testing system of new energy automobile | |
| CN109729715A (en) | Cradle apparatus, electrical equipment and control method | |
| CN111391696A (en) | Single-three phase compatible bidirectional charger control circuit with optimal capacitance value | |
| CN220904711U (en) | DC charging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201020 |
|
| RJ01 | Rejection of invention patent application after publication |