CN103149480B - Load simulating device for electromagnetic compatibility testing of high-power motor - Google Patents
Load simulating device for electromagnetic compatibility testing of high-power motor Download PDFInfo
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- CN103149480B CN103149480B CN201310058044.5A CN201310058044A CN103149480B CN 103149480 B CN103149480 B CN 103149480B CN 201310058044 A CN201310058044 A CN 201310058044A CN 103149480 B CN103149480 B CN 103149480B
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Abstract
The invention discloses a load simulating device for electromagnetic compatibility testing of a high-power motor. The load simulating device comprises an anechoic chamber, a load simulating chamber, a driving shaft, a waveguide tube, shield protecting devices and an anechoic chamber test board which can be be used for accommodating the high-power motor; a dynamometer is placed in the load simulating chamber adjacent to the anechoic chamber; the anechoic chamber is connected with the load simulating chamber through a driving shaft penetrating through a anechoic chamber shielding casing; the waveguide tube is arranged on the outer side of the driving shaft; and the shield protecting devices are arranged on two sides of the waveguide tube. The dynamometer is arranged in the load simulating chamber; the rated power of the dynamometer is not smaller than 100kw; and the type of the tested motor can be a direct-current motor or alternating-current motor. The load simulating device disclosed by the invention can be used for the electromagnetic compatibility testing of the high-power motor, in particular to the electromagnetic compatibility testing of the high-power motor in a driving system of an electric automobile and has a very positive action under the condition that corresponding electromagnetic disturbance test standards of automobile high-power parts are lacked.
Description
Technical field
The invention belongs to Vehicle Engineering, what relate to is heavy-duty motor electromagnetic compatibility test analogue loading device, particularly can be used for the analogue loading device of the heavy-duty motor electromagnetic compatibility test of drive system of electric automobile.
Background technology
Development of EV becomes the common choice of Global Auto industry response environment and resource problem.Testing agency domestic is at present only suitable for carrying out authentication test to electric automobile, and is unfavorable for carrying out the analysis and research for the electromagnetic compatibility problem occurred in drive system of electric automobile performance history.The method and the limit value that provide the test of parts electromagnetic disturbance in auto parts and components electromagnetic disturbance testing standard GB18655-2010 are not suitable for drive system of electric automobile.Driving motor for electric automobile power is large, and the electromagnetic noise produced under different loads is different, does not provide the noise level limit that each frequency band under the corresponding loading method of heavy-duty motor and different loads is corresponding in auto parts and components electromagnetic disturbance testing standard.
Summary of the invention
The object of the present invention is to provide a kind of heavy-duty motor electromagnetic compatibility test analogue loading device, for heavy-duty motor provides the load under real operating environments, measure heavy-duty motor electromagnetic noise under different loads.
A kind of for heavy-duty motor electromagnetic compatibility test analogue loading device, it comprises:
Anechoic chamber, fictitious load room, nonmetal transmission shaft, waveguide, screen protective device and can for placing the anechoic chamber, test board of heavy-duty motor.Heavy-duty motor is placed on anechoic chamber, test board, and dynamometer machine is placed in the adjacent fictitious load room of anechoic chamber, and both are connected by the nonmetal transmission shaft through anechoic chamber, shield shell.Waveguide is arranged on outside nonmetal transmission shaft, and screen protective device is arranged on waveguide both sides.
Anechoic chamber, is 3m method anechoic chamber.The public wall (shield shell) of anechoic chamber, and fictitious load room has circular hole, and nonmetal transmission shaft and waveguide are connected with the dynamometer machine in fictitious load room through this hole.
Nonmetal transmission shaft runs through anechoic chamber, and fictitious load room, and adopt carbon fiber manufacture, two ends are connected with motor and dynamometer machine respectively by shaft coupling.Be covered with waveguide outside nonmetal transmission shaft, waveguide two ends connect screen protective device.Waveguide is fixed on cast iron base by bracing or strutting arrangement, and leaves certain interval between nonmetal transmission shaft.Object is that nonmetal transmission shaft can adopt carbon fibre material, diameter 6 centimetres in order to avoid collision; Waveguide diameters is 8 centimetres.
Heavy-duty motor electromagnetic compatibility test analogue loading device, it comprises:
Anechoic chamber, fictitious load room, nonmetal transmission shaft, waveguide, screen protective device and can for placing the anechoic chamber, test board of heavy-duty motor.
Anechoic chamber, is standard 3 meters of method (9.0m*6.0m*6.0m) anechoic chamber,s, and use ferrite wedge composite wave-suction material, tested motor arrangement is in anechoic chamber.The indoor layout dynamometer machine of fictitious load, dynamometer machine rated power is not less than 100kW, is fixed by bolts on cast iron base.Process a passage between darkroom and load cell to be mechanically connected with power supply machine and dynamometer machine.
Nonmetal transmission shaft can adopt carbon fibre material, diameter 6 centimetres, runs through the shield shell between darkroom and fictitious load room, its two ends shaft coupling respectively with being connected by measured motor of the dynamometer machine in fictitious load room and anechoic chamber.
Waveguide is the cut-off waveguide of diameter 8 centimetres, is fixed on cast iron base by bracing or strutting arrangement.Screen protective device covers the coupling device at transmission shaft two ends, is welded on waveguide; Further, described screen protective device is shielding protection cover, and this screen protective device adopts steel plate manufacture, and be divided into upper and lower two parts, the latter half support is fastened on above iron bottom plate by built-up jig, and upper cover part is that bolt connects, and closes rear 2 lockings.
Can be direct current generator and alternating current generator by the type of measured motor, power bracket be at 0 ~ 60kW, and tested motor arrangement, on the cast iron base of liftoff high 30 centimetres, adopts shaft coupling connection for transmission axle.
The present invention can be used for the heavy-duty motor electromagnetic compatibility test of heavy-duty motor especially drive system of electric automobile, when lacking corresponding automobile high-power parts electromagnetic disturbance testing standard, has quite positive effect.
Accompanying drawing explanation
Fig. 1 is heavy-duty motor electromagnetic compatibility test analogue loading device embodiment schematic diagram of the present invention.
Fig. 2 is the enlarged drawing in A portion in dynamometer machine shown in Fig. 1 and Motor connecting device.
Embodiment
Can be used for an analogue loading device for heavy-duty motor electromagnetic compatibility test, comprising: anechoic chamber, fictitious load room, nonmetal transmission shaft, waveguide, screen protective device and can for placing the anechoic chamber, test board of heavy-duty motor.Motor is placed on anechoic chamber, test board, and dynamometer machine is placed in fictitious load room, and anechoic chamber, is standard 3 meters of method (9.0m*6.0m*6.0m) anechoic chamber,s, uses ferrite wedge composite wave-suction material.Tested motor arrangement is in anechoic chamber.The indoor layout dynamometer machine of fictitious load, dynamometer machine rated power is not less than 100kW, is fixed by bolts on cast iron base.Anechoic chamber, and fictitious load room are close to, and process a passage and be mechanically connected with power supply machine and dynamometer machine between darkroom and load cell.Nonmetal transmission shaft diameter 6 centimetres, adopts carbon fiber manufacture, runs through the shield shell between darkroom and fictitious load room, its two ends shaft coupling respectively with being connected by measured motor of the dynamometer machine in fictitious load room and anechoic chamber.Waveguiding structure adopts cut-off waveguide, is fixed on cast iron base by bracing or strutting arrangement.。Screen protective device is cuboid-type, and screen protective device adopts steel plate manufacture, is divided into upper and lower two parts, and screen protective device covers the coupling device at transmission shaft two ends, is welded on waveguide.Can be direct current generator and alternating current generator by the type of measured motor, power bracket, at 0 ~ 60kW, be fixed on cast iron base.
Below in conjunction with accompanying drawing illustrated embodiment, the present invention is further illustrated.
Heavy-duty motor electromagnetic compatibility test analogue loading device, it comprises:
Bolt 1, by measured motor 2, anechoic chamber, 3, screen protective device 4, nonmetal transmission shaft 5, waveguide 6, fictitious load room 7, transmission shaft 8, dynamometer machine 9, cast iron base 10, shaft coupling 11, test antenna 12.
Anechoic chamber, 3 is standard 3 meters of method (9.0m*6.0m*6.0m) anechoic chamber,s, uses ferrite wedge composite wave-suction material, is arranged in anechoic chamber, 3 li by measured motor 2.Arrange dynamometer machine 9 in fictitious load room 7, dynamometer machine 9 rated power is not less than 100kW, is fixed on cast iron base 10 with bolt 1.Process a passage between anechoic chamber, 3 and load cell 7 to be mechanically connected for by measured motor 2 and dynamometer machine 9.
Nonmetal transmission shaft 4 can adopt carbon fibre material, diameter 6 centimetres, runs through the shield shell between anechoic chamber, 3 and fictitious load room 7, its two ends shaft coupling 11 respectively with the dynamometer machine 9 of 7 li, fictitious load room and being connected by measured motor 2 of anechoic chamber, 3.
Waveguide 6 is cut-off waveguides of diameter 8 centimetres, is fixed on cast iron base by bracing or strutting arrangement.
Be arranged in anechoic chamber, 3 by measured motor 2, dynamometer machine 9 is arranged in fictitious load room 7, is separately fixed on the cast iron base 10 of liftoff 30 centimetres by measured motor 2 and dynamometer machine 9.Cast iron base 10 bolt 1 is fixed.
Transmission shaft 8 diameter is 6 centimetres, runs through anechoic chamber, 3 and fictitious load room 7, and transmission shaft is long 60 centimetres of part in anechoic chamber, 3, long 20 centimetres of part in fictitious load room 7.Transmission shaft two ends are connected with dynamometer machine 9 respectively with by measured motor 2, and the middle part of transmission shaft 8 is provided with one section of nonmetal transmission shaft 5; Waveguide 6 is cut-off waveguide, and diameter is 8 centimetres.Cover on the outside of nonmetal transmission shaft 5, two ends are fixed on screen protective device 4.Waveguide 6 can ensure that the shielding properties that anechoic chamber, 3 is good, test antenna 12 are placed on inside anechoic chamber, 3, for receiving by the electromagnetic noise of measured motor.
Screen protective device 4 is cuboid-type, is placed in the outside of package unit, and this screen protective device adopts steel plate manufacture, be divided into upper and lower two parts, the latter half support is fastened on above cast iron base 10 by built-up jig, and upper cover part can be open around hinge, closes rear 2 lockings.All drive disk assemblies between screen protective device 4 covers by measured motor 2 to dynamometer machine 9, are supported on cast iron base 10 with four steel columns.
The built-up shaft structure of transmission shaft 8 and nonmetal transmission shaft 5 can substitute with an overall carbon fiber driving shaft, and carbon fiber driving shaft utilizes shaft coupling to be connected with dynamometer machine respectively with by measured motor.
First pre-buried fixed pedestal bolt 1 when doing ground.Then install darkroom and load cell shield shell, after installing, lay the rubber slab of about 2 millimeters, fix above being placed on by cast iron base 10 with bolt on shield ground, to prevent vibration diffusion, separating vibration affects.
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (8)
1., for a heavy-duty motor electromagnetic compatibility test analogue loading device, it is characterized in that: it comprises:
Anechoic chamber, fictitious load room, transmission shaft, waveguide, screen protective device and can for placing the anechoic chamber, test board of heavy-duty motor, dynamometer machine is placed in the fictitious load room adjacent with anechoic chamber, both are connected by the transmission shaft through anechoic chamber, shield shell, waveguide is arranged on outside transmission shaft, and screen protective device is arranged on waveguide both sides;
Be a public wall between described anechoic chamber, and fictitious load room, it offers through hole, described transmission shaft, waveguide are connected with the dynamometer machine in fictitious load room through this hole;
The middle part of described transmission shaft is provided with one section of nonmetal transmission shaft; The material of described nonmetal transmission shaft is carbon fiber;
Described transmission shaft diameter 6 centimetres, it is long 60 centimetres of part in anechoic chamber, long 20 centimetres of part in fictitious load room.
2. heavy-duty motor electromagnetic compatibility test analogue loading device as claimed in claim 1, is characterized in that: described anechoic chamber, is standard 3 meters of method anechoic chamber,s, uses ferrite wedge composite wave-suction material.
3. heavy-duty motor electromagnetic compatibility test analogue loading device as claimed in claim 1, is characterized in that: described waveguide is fixed on cast iron base by bracing or strutting arrangement.
4. heavy-duty motor electromagnetic compatibility test analogue loading device as claimed in claim 1, is characterized in that:
Described screen protective device covers the coupling device at transmission shaft two ends, is welded on waveguide; Or/and described screen protective device is shielding protection cover, this screen protective device adopts steel plate manufacture, and be divided into upper and lower two parts, the latter half support is fastened on above iron bottom plate by built-up jig, and upper cover part is that bolt connects, and closes rear 2 lockings.
5. heavy-duty motor electromagnetic compatibility test analogue loading device as claimed in claim 1, is characterized in that: described anechoic chamber, test board is arranged on the cast iron base of liftoff high 30 centimetres.
6. heavy-duty motor electromagnetic compatibility test analogue loading device as claimed in claim 1, is characterized in that:
The ground paving of described anechoic chamber, fictitious load room is provided with rubber slab to prevent vibration diffusion, separating vibration impact.
7. heavy-duty motor electromagnetic compatibility test analogue loading device as claimed in claim 1, is characterized in that:
The type of described heavy-duty motor comprises direct current generator and alternating current generator.
8. heavy-duty motor electromagnetic compatibility test analogue loading device as claimed in claim 1, is characterized in that: described waveguide is the cut-off waveguide of the diameter 8 centimetres be fixed on cast iron base.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310058044.5A CN103149480B (en) | 2013-02-22 | 2013-02-22 | Load simulating device for electromagnetic compatibility testing of high-power motor |
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| CN201310058044.5A CN103149480B (en) | 2013-02-22 | 2013-02-22 | Load simulating device for electromagnetic compatibility testing of high-power motor |
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| CN103149480A CN103149480A (en) | 2013-06-12 |
| CN103149480B true CN103149480B (en) | 2015-06-24 |
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Cited By (1)
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| WO2022069216A1 (en) * | 2020-09-29 | 2022-04-07 | Zf Friedrichshafen Ag | Connecting device for electric motor testing and electric motor testing device |
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| CN104793137B (en) * | 2015-03-10 | 2017-07-11 | 南京工程学院 | A kind of abnormal load type identification method based on motor movement characteristic value |
| CN104833829B (en) * | 2015-05-12 | 2019-06-14 | 广州市诚臻电子科技有限公司 | A kind of motor load tunable arrangement for electromagnetic compatibility test |
| CN105974236B (en) * | 2016-06-03 | 2018-12-28 | 广州市诚臻电子科技有限公司 | A kind of motor load and drive system for electromagnetic compatibility test |
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| CN206740869U (en) * | 2017-03-16 | 2017-12-12 | 上海蔚来汽车有限公司 | Electromagnetic compatibility testing device and the measuring system for including it |
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| CN109061471B (en) * | 2018-09-13 | 2023-09-08 | 安徽精科检测技术有限公司 | Electromagnetic compatibility dynamometer testing system for electric automobile motor |
| JP6934228B1 (en) * | 2020-03-04 | 2021-09-15 | 株式会社オータマ | Shielded rotation transmission mechanism for test bench and motor / inverter test bench and EMC test equipment using it |
| JP7453048B2 (en) * | 2020-04-22 | 2024-03-19 | 株式会社日立製作所 | Motor load test device and method |
| CN111897315A (en) * | 2020-08-31 | 2020-11-06 | 南方电网科学研究院有限责任公司 | Electromagnetic disturbance testing device for controlling protection equipment |
| AT526282A1 (en) * | 2022-07-08 | 2024-01-15 | Avl List Gmbh | System for carrying out electromagnetic compatibility tests |
| CN116893315B (en) * | 2023-09-07 | 2023-12-12 | 苏州英特模科技股份有限公司 | Wall penetrating system of load dynamometer of semi-anechoic chamber and mounting method of wall penetrating system |
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