CN106840679B - System for testing motor locked rotor performance experiment - Google Patents
System for testing motor locked rotor performance experiment Download PDFInfo
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- CN106840679B CN106840679B CN201710174305.8A CN201710174305A CN106840679B CN 106840679 B CN106840679 B CN 106840679B CN 201710174305 A CN201710174305 A CN 201710174305A CN 106840679 B CN106840679 B CN 106840679B
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- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 238000002474 experimental method Methods 0.000 title claims abstract description 23
- 230000007547 defect Effects 0.000 abstract description 2
- 238000011056 performance test Methods 0.000 description 5
- 230000003068 static effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000008358 core component 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
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 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
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
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- General Physics & Mathematics (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The invention provides a system for testing motor locked rotor performance experiments, which comprises a locked rotor clamp assembly, a driving device and a torque flange, wherein the locked rotor clamp assembly is arranged on the motor; the locked rotor clamp assembly comprises a locked rotor base, a brake disc and a torque flange mounting disc, wherein the brake disc is fixedly connected with the torque flange mounting disc, and a plurality of arc-shaped through grooves which are concentrically arranged are formed in the brake disc; the brake disc is fixed on the locked rotor base through a plurality of bolts and the arc through grooves; the driving device drives the brake disc to rotate; the torque flange mounting plate is fixedly connected with the torque flange. The system for testing the motor locked rotor performance experiment solves the defect that a dynamometer is required to perform locked rotor test, the locked rotor torque characteristic of any point can be efficiently tested through the locked rotor test fixture, and the complexity of assembling and disassembling the experimental motor is avoided through the step motor matched with the locked rotor test fixture; the motor locked rotor testing device has the advantages of being capable of avoiding damage to the dynamometer, convenient to assemble and disassemble, high in automation degree, capable of efficiently completing the laboratory requirements on motor locked rotor testing experiments and the like.
Description
Technical Field
The invention belongs to the technical field of motor detection, and particularly relates to a system for testing motor locked rotor performance experiments.
Background
The driving motor system is a core component of power output of the electric automobile, is a forced detection project of a new product notice of the automobile, is carried out according to GB/T18188-2006 electric automobile motor and controller thereof, and is one test content of blocking torque and blocking current for inspecting the flat ground or slope starting capability and the system protection function of the electric automobile. In addition, the locked rotor test can be used for testing static torque pulsation of a motor system, the torque fluctuation ranges of different output angles of the motor under the static condition are tested by adjusting the angle of an output shaft, and the advantages and disadvantages of the motor and the controller are judged by the size of the torque pulsation. The "locked rotor torque and locked rotor current" and "static torque ripple" tests are all to lock the output shaft of the motor in a fixed angular position by an external device, then to energize normally, to apply torque to the motor to a target value by a controller, to test the torque/voltage,/current/duration. The value of the next position point is then tested for the change angle. The test of the "locked rotor torque and locked rotor current" requires that 5 points are uniformly distributed and tested on the circumference, and the test of the "static torque pulsation" requires more test points, usually more than 20 points.
When carrying out locked rotor test among the prior art, through the output shaft of shaft coupling connection motor output shaft and dynamometer maintenance, adopt the fixed pin to lock the dynamometer output shaft, in order to avoid damaging the dynamometer output shaft, can only set up two corresponding fixed notch generally, this scheme is in the unable parameter of 5 points of test under the condition of not dismouting, and often need recalibrate torque sensor after the test, and if the test appears the problem, probably damage the dynamometer.
Disclosure of Invention
In view of the above, the invention aims to provide a system for testing the locked rotor performance of a motor, so as to solve the problems that the existing locked rotor test device is easy to damage a dynamometer, the disassembly and assembly of the motor to be tested are inconvenient, the detection efficiency is low, and the like.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
a system for testing motor locked rotor performance experiment comprises a locked rotor clamp assembly, a driving device and a torque flange 8;
the locked rotor clamp assembly comprises a locked rotor base 6, a brake disc 7 and a torque flange mounting disc 10, wherein the brake disc 7 is fixedly connected with the torque flange mounting disc 10, and a plurality of arc-shaped through grooves which are concentrically arranged are formed in the brake disc 7; the brake disc 7 is fixed on the locked rotor base 6 through a plurality of bolts and arc through grooves;
the driving device drives the brake disc 7 to rotate;
the torque flange mounting plate 10 is fixedly connected with the torque flange 8.
Further, the arc through grooves are uniformly distributed on the brake disc 7.
Preferably, the arc through groove is formed in an inner layer and an outer layer.
Further, a friction block 2 is installed between the brake disc 7 and the locked rotor base 6.
Further, the driving device comprises a stepping motor 1, a worm and worm wheel 3 and a torque flange rotating disc 4;
the stepping motor is connected with the torque flange rotating disc 4 through a worm and worm wheel 3;
the torque flange rotating disc 4 is fixedly connected with the torque flange mounting disc 10.
Preferably, the torque flange rotating disc 4 is connected with the torque flange mounting disc 10 through a locating pin.
Further, the stepper motor 1 is controlled by a controller.
Further, the driving device further comprises a Hall sensor 5 for detecting the rotation angle of the torque flange rotating disc 4, and the Hall sensor 5 is connected with the controller.
Further, the driving device further comprises a mounting bracket, and the Hall sensor 5 is fixedly arranged on the mounting bracket.
Preferably, the torque flange rotating disc 4, the torque flange mounting disc 10 and the torque flange 8 are coaxially arranged.
Compared with the prior art, the system for testing the motor locked rotor performance experiment has the following advantages:
the system for testing the motor locked rotor performance experiment solves the defect that a dynamometer is required to perform locked rotor test, the locked rotor torque characteristic of any point can be efficiently tested through the locked rotor test fixture, and the complexity of assembling and disassembling the experimental motor is avoided through the step motor matched with the locked rotor test fixture; the motor locked rotor testing device has the advantages of being capable of avoiding damage to the dynamometer, convenient to assemble and disassemble, high in automation degree, capable of efficiently completing the laboratory requirements on motor locked rotor testing experiments and the like.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is an exploded schematic view of a system for testing motor stall performance experiments according to embodiments of the present invention;
fig. 2 is a schematic diagram of a front structure of a system for testing a motor locked rotor performance test according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a back structure of a system for testing a motor locked rotor performance test according to an embodiment of the present invention.
Reference numerals illustrate:
1-a stepper motor; 2-friction blocks; 3-worm and worm wheel; 4-rotating a disc with a torque flange; a 5-hall sensor; 6-locked rotor base; 7-a brake disc; 8-torque flange; 9-a motor to be tested; 10-torque flange mounting plate.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
1-3, a system for testing motor locked rotor performance test comprises a locked rotor clamp assembly, a driving device and a torque flange 8; the locked rotor clamp assembly comprises a locked rotor base 6, a brake disc 7 and a torque flange mounting disc 10, wherein the brake disc 7 is fixedly connected with the torque flange mounting disc 10, and a plurality of arc-shaped through grooves which are concentrically arranged are formed in the brake disc 7; the brake disc 7 is fixed on the locked rotor base 6 through a plurality of bolts and arc through grooves; the driving device drives the brake disc 7 to rotate; the torque flange mounting plate 10 is fixedly connected with the torque flange 8. In this example, the output shaft of the motor 9 to be tested is fixedly connected with the torque flange mounting plate 10 and the brake disc 7 in sequence through the torque flange 8. The torque flange 8 is arranged to measure torque.
The arc through grooves are uniformly distributed on the brake disc 7.
The arc through groove is provided with an inner layer and an outer layer. In this example, the inner layer and the outer layer are all provided with 5 arc through grooves, so that the firmness of fixing the brake disc 7 and the locked rotor base 6 can be improved. However, the system for testing the motor locked rotor performance experiment provided by the invention is not limited to 5-point locked rotor performance test of the motor, but can adjust the length of the arc-shaped groove according to the experiment requirement so as to adjust the number of points tested.
A friction block 2 is arranged between the brake disc 7 and the locked rotor base 6. The arrangement of the friction blocks 2 in this example can further improve the fixation of the brake disc 7 to the locked rotor base 6.
The driving device comprises a stepping motor 1, a worm and worm wheel 3 and a torque flange rotating disc 4;
the stepping motor is connected with the torque flange rotating disc 4 through a worm and worm wheel 3;
the torque flange rotating disc 4 is fixedly connected with the torque flange mounting disc 10.
The torque flange rotating disc 4 is connected with the torque flange mounting plate 10 through a locating pin.
The stepper motor 1 is controlled by a controller.
The driving device also comprises a Hall sensor 5 for detecting the rotation angle of the torque flange rotating disc 4, and the Hall sensor 5 is connected with the controller.
The driving device further comprises a mounting bracket, and the Hall sensor 5 is fixedly arranged on the mounting bracket.
The torque flange rotating disc 4, the torque flange mounting plate 10 and the torque flange 8 are coaxially arranged.
The working procedure of this example: when a locked rotor experiment is carried out, firstly, an output shaft of a motor 9 to be tested is sequentially and fixedly connected with a torque flange mounting plate 10 and a brake disc 7 through a torque flange 8, then bolts penetrate through arc-shaped through grooves on the brake disc 7 and friction blocks 2, the arc-shaped through grooves and the friction blocks are fixed on a locked rotor base 6, and then the torque flange rotating disc 4 is mounted on the rear side of the locked rotor base 6 and is connected with the torque flange mounting plate 10, so that the installation is completed. Then testing and recording data of a first point, loosening a bolt for fixing the brake disc 7 after the data of the first point is recorded, driving the brake disc to rotate by a certain angle through a preset angle of the stepping motor 1, tightening the bolt, testing a second point, loosening the bolt again after the data are recorded, and testing a third point after the brake disc rotates by the same angle through the stepping motor, so on, so that the multi-point locked rotor performance test can be rapidly carried out on the motor under the condition of not assembling and disassembling the device for many times.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. The utility model provides a test motor stalling performance experimental system which characterized in that: comprises a locked rotor clamp assembly, a driving device and a torque flange (8);
the locked rotor clamp assembly comprises a locked rotor base (6), a brake disc (7) and a torque flange mounting disc (10), wherein the brake disc (7) is fixedly connected with the torque flange mounting disc (10), and a plurality of arc-shaped through grooves which are concentrically arranged are formed in the brake disc (7); the brake disc (7) is fixed on the locked rotor base (6) through a plurality of bolts and the arc through grooves;
the driving device drives the brake disc (7) to rotate;
the torque flange mounting plate (10) is fixedly connected with the torque flange (8);
an output shaft of a motor (9) to be tested is sequentially and fixedly connected with a torque flange mounting plate (10) and a brake disc (7) through a torque flange (8), then bolts penetrate through arc-shaped through grooves and friction blocks (2) on the brake disc (7), the arc-shaped through grooves and the friction blocks are fixed on a locked rotor base (6), and then the torque flange rotating disc (4) is mounted on the rear side of the locked rotor base (6) and connected with the torque flange mounting plate (10) to finish mounting.
2. The system for testing motor stall performance experiments of claim 1, wherein: the arc through grooves are uniformly distributed on the brake disc (7).
3. The system for testing motor stall performance experiments of claim 2, wherein: the arc through groove is formed in an inner layer and an outer layer.
4. A system for testing motor stall performance experiments according to any of claims 1-3 wherein: and a friction block (2) is arranged between the brake disc (7) and the locked rotor base (6).
5. The system for testing motor stall performance experiments of claim 4, wherein: the driving device comprises a stepping motor (1), a worm and worm wheel (3) and a torque flange rotating disc (4);
the stepping motor is connected with the torque flange rotating disc (4) through a worm and worm wheel (3);
the torque flange rotating disc (4) is fixedly connected with the torque flange mounting disc (10).
6. The system for testing motor stall performance experiments of claim 5, wherein: the torque flange rotating disc (4) is connected with the torque flange mounting disc (10) through a locating pin.
7. The system for testing motor stall performance experiments of claim 5 or 6, wherein: the stepping motor (1) is controlled by a controller.
8. The system for testing motor stall performance experiments of claim 7, wherein: the driving device further comprises a Hall sensor (5) for detecting the rotation angle of the torque flange rotating disc (4), and the Hall sensor (5) is connected with the controller.
9. The system for testing motor stall performance experiments of claim 8, wherein: the driving device further comprises a mounting bracket, and the Hall sensor (5) is fixedly arranged on the mounting bracket.
10. The system for testing motor stall performance experiments of claim 9, wherein: the torque flange rotating disc (4), the torque flange mounting disc (10) and the torque flange (8) are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710174305.8A CN106840679B (en) | 2017-03-22 | 2017-03-22 | System for testing motor locked rotor performance experiment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710174305.8A CN106840679B (en) | 2017-03-22 | 2017-03-22 | System for testing motor locked rotor performance experiment |
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| Publication Number | Publication Date |
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| CN106840679A CN106840679A (en) | 2017-06-13 |
| CN106840679B true CN106840679B (en) | 2023-10-24 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990172B (en) * | 2017-12-29 | 2022-09-16 | 霍尼韦尔国际公司 | Gas detector mounting structure |
| CN108152741B (en) * | 2018-01-26 | 2023-08-29 | 辽宁工业大学 | Device and method for testing locked-rotor torque of driving motor of electric automobile |
| CN109556866A (en) * | 2019-01-19 | 2019-04-02 | 南通远辰测控设备有限公司 | Electronic apparatus test device |
| CN110045282B (en) * | 2019-04-24 | 2021-11-02 | 安徽皖南新维电机有限公司 | Permanent magnet synchronous reluctance motor test device and test method thereof |
| CN110109016A (en) * | 2019-06-13 | 2019-08-09 | 重庆理工清研凌创测控科技有限公司 | New energy automobile motor test platform |
| CN111380635B (en) * | 2019-11-07 | 2021-02-02 | 北京理工大学 | Motor torque ripple test bench and test method |
| CN112763114B (en) * | 2020-12-03 | 2022-11-22 | 北京航空航天大学宁波创新研究院 | Stalling torque testing device and method |
| CN114415024B (en) * | 2022-03-21 | 2022-07-22 | 江铃汽车股份有限公司 | Motor locked-rotor testing device and method |
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