CN110441690B - Miniature brushless motor testing device and testing method - Google Patents
Miniature brushless motor testing device and testing method Download PDFInfo
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- CN110441690B CN110441690B CN201910865442.5A CN201910865442A CN110441690B CN 110441690 B CN110441690 B CN 110441690B CN 201910865442 A CN201910865442 A CN 201910865442A CN 110441690 B CN110441690 B CN 110441690B
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- 230000003068 static effect Effects 0.000 claims abstract description 69
- 238000006073 displacement reaction Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000010998 test method Methods 0.000 claims 1
- 239000010425 asbestos Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005265 energy consumption Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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Abstract
The invention discloses a miniature brushless motor testing device and a miniature brushless motor testing method, and belongs to the technical field of miniature brushless motor testing. A miniature brushless motor testing device comprises a testing table, a torque sensor, a motor-torque sensor connecting adapter, a rotating speed sensor and a torque adjusting device; the motor-torque sensor connection adapter comprises a motor shell fixing structure to be tested and a torque sensor right end mounting seat, wherein the motor shell fixing structure to be tested comprises a shell and a motor front end surface fixing plate to be tested; the torque adjusting device comprises a dynamic friction plate, a static friction plate and a static friction plate displacement adjusting device. A testing method of a miniature brushless motor testing device comprises the following steps: a. positioning a motor to be tested at a test position; b. a circuit is connected; c. testing a motor to be tested; d. and calculating a test result. The device has the characteristics of reasonable structure, convenient operation, accurate test and the like, and is special equipment for systematically testing the miniature brushless motor.
Description
Technical Field
The invention relates to the technical field of miniature brushless motor testing.
Background
The miniature brushless motor has very wide application in the miniature unmanned aerial vehicle and occupies very important position. When unmanned power matching is carried out, particularly when the flapping wing aircraft power system is designed, the configuration of a motor, a speed reducer and a flapping wing can influence the working point of the miniature brushless motor when in actual working, if the relationship is improperly matched, the energy consumption of the whole driving system can be increased, the efficiency is low, and therefore, the characteristic curve of the miniature brushless motor, namely the relationship among the rotating speed, the efficiency, the output power, the input current and the output torque of the motor when the miniature brushless motor loads different voltages, needs to be accurately measured.
Most of motor test systems are designed for large-size alternating current or direct current motors at present, and motor manufacturers generally do not systematically test the miniature brushless motors, so that most of miniature brushless motors only have few parameters such as working current, working rotating speed and internal resistance, and no miniature brushless motor loading test equipment capable of meeting the test requirements has yet been developed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a miniature brushless motor testing device and a miniature brushless motor testing method, and the miniature brushless motor testing device has the characteristics of reasonable structure, convenience in operation, accuracy in testing and the like.
In order to solve the technical problems, the invention adopts the following technical scheme:
A miniature brushless motor testing device comprises a testing table, a torque sensor, a motor-torque sensor connecting adapter, a rotating speed sensor and a torque adjusting device;
The left side of the test bench is provided with a vertically arranged torque sensor left end mounting seat which is used for being fixedly connected with a connecting structure at the left end of the torque sensor so that the torque sensor is transversely arranged;
the motor-torque sensor connection adapter comprises a motor shell fixing structure to be tested and a torque sensor right-end mounting seat, wherein the motor shell fixing structure to be tested comprises a shell with a motor accommodating cavity to be tested and a motor front end surface fixing plate to be tested, a motor rotating shaft adapting hole to be tested is formed in the middle of the motor front end surface fixing plate to be tested, a screw penetrating hole for fixing with the front end surface of the motor to be tested is formed in the middle of the motor front end surface fixing plate to be tested, a threaded connection structure is arranged between the motor front end surface fixing plate to be tested and the shell so as to fix the motor to be tested in the motor accommodating cavity to be tested, the torque sensor right-end mounting seat is fixed on the left side of the motor accommodating shell to be tested and is coaxial with the motor rotating shaft adapting hole to be tested, and the torque sensor right-end mounting seat is fixedly connected with a connecting structure of the right end of the torque sensor;
the rotating speed sensor is used for detecting the rotating speed of a rotating shaft of the motor to be detected;
the torque adjusting device comprises a dynamic friction plate, a static friction plate and a static friction plate displacement adjusting device, a rotating shaft connecting structure for fixedly connecting with a rotating shaft of a motor to be tested is arranged on the left side of the dynamic friction plate, the static friction plate is correspondingly arranged on the right side of the dynamic friction plate, the right side of the static friction plate is fixedly connected with the static friction plate displacement adjusting device, the static friction plate displacement adjusting device comprises an adjusting device fixing seat, a static friction plate fixing block and a static friction plate displacement adjusting rod, the adjusting device fixing seat is fixed on the right side of a test bench, the static friction plate fixing block is in sliding connection with the adjusting device fixing seat through a linear sliding guide rail, the linear sliding guide rail is parallel to the axis of the rotating shaft of the motor to be tested, the static friction plate displacement adjusting rod comprises a rod body and a displacement adjusting knob, wherein the left end part and the right end part of the rod body are respectively and rotatably connected with the left end wall and the right end wall of the adjusting device fixing seat, the right end of the rod body penetrates through the right end wall of the adjusting device fixing seat and is fixed with the displacement adjusting knob, the rod body is provided with external threads and is rotatably combined with a threaded hole of the static friction plate fixing block, the static friction plate is fixed at the left end of the static friction plate fixing block, and when the displacement adjusting knob is rotated, the static friction plate displacement adjusting rod drives the static friction plate fixing block to slidably displace along the axis direction of the motor rotating shaft to be tested, so that the static friction plate and the dynamic friction plate are contacted and rubbed, and friction force required by test is generated.
The invention is further improved in that:
The rotating speed sensor is a Hall rotating speed sensor: the rotary disk is fixed on the left side face of the movable friction plate and is coaxial with a rotating shaft of the motor to be tested, and a Hall sensor corresponding to the small magnet is arranged on the fixed block of the static friction plate.
The left side of the static friction plate is provided with a movable friction plate sliding shaft coaxial with the rotating shaft of the motor to be tested, the movable friction plate and/or the rotating disk is provided with a movable friction plate sliding connection hole matched with the movable friction plate sliding shaft, and the movable friction plate sliding shaft is in sliding fit with the movable friction plate sliding connection hole.
The left and right protruding parts of the U-shaped fixing seat are respectively the left end wall and the right end wall of the adjusting device fixing seat, and the left end and the right end of the linear sliding guide rail are respectively fixedly connected with the left end wall and the right end wall of the adjusting device fixing seat.
The left end and the right end of the rail of the linear sliding guide rail are fixedly connected with the left end wall and the right end wall of the fixing seat of the adjusting device respectively, and the threaded holes of the static friction plate fixing blocks are positioned above the linear sliding guide rail.
A testing method of a miniature brushless motor testing device comprises the following steps:
a. the method comprises the steps that a motor to be tested is positioned at a testing position, a motor to be tested rotating shaft is penetrated to the right side from the left side of a motor to be tested rotating shaft adapting hole of a motor to be tested front end surface fixing plate to be tested, so that a front end panel of the motor to be tested is attached to the left side of the motor to be tested front end surface fixing plate, screws are penetrated by screw penetrating holes on the right side of the motor to be tested front end surface fixing plate and are screwed and fixed with screw holes of the motor to be tested, then the motor to be tested front end surface fixing plate and a shell are fixed together through a threaded connection structure, so that the motor to be tested is fixed in a motor accommodating cavity to be tested, and therefore the motor to be tested is positioned at the testing position;
b. the circuit is connected with the torque sensor and the corresponding power supply, and is powered by the direct-current stabilized power supply and the motor to be tested, and the direct-current stabilized power supply has the functions of regulating and displaying output voltage and displaying output current;
c. The motor to be tested is tested, different voltages and different torques are respectively loaded on the motor to be tested according to test requirements, load current values and rotating speed values corresponding to the different voltages and the different torques are detected, each test voltage value is input to the motor to be tested according to the output voltage display value of the direct-current stabilized power supply, the displacement adjusting knob is adjusted according to the torque display value measured by the torque sensor 2, the static friction plate and the dynamic friction plate are contacted and rubbed to generate corresponding friction force so as to achieve each test torque value, the load current values and the rotating speed values corresponding to each power supply voltage value and each torque value of the motor to be tested are recorded, the load current values are output current values displayed by the direct-current stabilized power supply, and the rotating speed values are values displayed by the rotating speed sensor;
d. And c, calculating a test result, and carrying out statistical calculation according to each test power supply voltage value, each test torque value and each test power supply voltage value of the motor to be tested and each load current value and each rotating speed value corresponding to each test torque value, which are obtained in the step c, so as to obtain the relation among the rotating speed, the efficiency, the output power, the input current and the output torque of the motor when the motor to be tested loads different voltages.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
The device takes the test bench as a carrier to complete the assembly and positioning of each component, and the mounting seat at the left end of the torque sensor is used for being fixedly connected with the connecting structure at the left end of the torque sensor so that the torque sensor is transversely arranged; the motor-torque sensor is connected with the motor shell fixing structure to be tested of the adapter to complete the positioning of the position to be tested of the motor to be tested, the rotating speed sensor is used for detecting the rotating shaft rotating speed of the motor to be tested, the torque adjusting device is used for adjusting the displacement adjusting knob, the static friction plate displacement adjusting rod drives the static friction plate fixing block to slide and displace along the axis direction of the rotating shaft of the motor to be tested, so that the static friction plate and the dynamic friction plate are contacted and rubbed and friction force required by testing is generated, each test torque value is achieved, the purpose that different voltages and different torques are loaded on the motor to be tested can be achieved according to test requirements, the load current value and the rotating speed value corresponding to each power supply voltage value and each torque value of the motor to be tested can be detected, and the relation among the rotating speed, the efficiency, the output power, the input current and the output torque of the motor can be obtained through conventional calculation when the motor to be tested is loaded with different voltages.
The left side of the static friction plate is provided with a movable friction plate sliding shaft coaxial with the rotating shaft of the motor to be tested, the movable friction plate and/or the rotating disk is provided with a movable friction plate sliding connection hole matched with the movable friction plate sliding shaft, and the movable friction plate sliding shaft is in sliding fit with the movable friction plate sliding connection hole. The structure can axially connect the static friction plate and the dynamic friction plate together through the sliding shaft of the dynamic friction plate, so that the step of positioning the dynamic friction plate after the motor to be tested is positioned at the test position is omitted, and the test process is more convenient.
The device has the characteristics of reasonable structure, convenient operation, accurate test and the like, and is special equipment for systematically testing the miniature brushless motor.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic illustration of the motor-torque sensor coupling adapter and torque sensor connection of FIG. 1;
FIG. 3 is a schematic illustration of the torque modulation device of FIG. 1;
FIG. 4 is a schematic view of the fixing base of the adjusting device in FIG. 3;
fig. 5 is a graph of a test performed on an AT2308 KV1450 type external rotor brushless motor using the present apparatus.
In the drawings: 1. a test bench; 2; a torque sensor; 3. the left end mounting seat of the torque sensor; 4. the right end mounting seat of the torque sensor; 5. a motor accommodating case to be tested; 6. a front end surface fixing plate of the motor to be tested; 7. a motor to be tested; 8. a connection structure at the right end of the torque sensor; 9. a connecting structure at the left end of the torque sensor; 10. a dynamic friction plate; 11. a static friction plate; 12. a rotating shaft connecting structure; 13. an adjusting device fixing seat; 14. a static friction plate fixing block; 15. a static friction plate displacement adjusting rod; 16. a linear sliding guide rail; 17. a rotating disc; 18. a small magnet; 19. a hall sensor; 20. and a sliding shaft of the dynamic friction plate.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific embodiments.
Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, and the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding, pasting and the like in the prior art, and the detailed description is omitted.
1-4, A miniature brushless motor testing device comprises a testing table 1, a torque sensor 2 (model: LONGLV-WTQ 98A), a motor-torque sensor connecting adapter, a rotating speed sensor and a torque adjusting device;
The left side of the test bench 1 is provided with a vertically arranged torque sensor left end mounting seat 3 for being fixedly connected with a connecting flange 9 at the left end of the torque sensor 2, so that the torque sensor 2 is kept transversely arranged;
The motor-torque sensor connection adapter comprises a motor shell fixing structure to be tested and a torque sensor right-end mounting seat 4, wherein the motor shell fixing structure to be tested comprises a shell 5 with a motor accommodating cavity to be tested and a motor front end surface fixing plate 6 to be tested, a motor rotating shaft adapting hole to be tested is formed in the middle of the motor front end surface fixing plate 6 to be tested, a screw penetrating hole for fixing the front end surface of the motor 7 to be tested is formed in the middle of the motor front end surface fixing plate 6 to be tested, a threaded connection structure is arranged between the motor front end surface fixing plate 6 to be tested and the shell 5 to be tested so as to fix the motor 7 to be tested in the motor accommodating cavity to be tested, the torque sensor right-end mounting seat 4 is fixed on the left side of the motor accommodating shell 5 to be tested and coaxial with the motor rotating shaft adapting hole to be tested, and the torque sensor right-end mounting seat 4 is fixedly connected with a connecting flange 8 at the right end of the torque sensor 2;
The rotating speed sensor is used for detecting the rotating shaft rotating speed of the motor 7 to be detected;
As shown in fig. 3, the torque adjusting device comprises a dynamic friction plate 10 (made of asbestos), a static friction plate 11 (made of asbestos) and a static friction plate displacement adjusting device, a rotating shaft connecting flange 12 fixedly connected with a rotating shaft of the motor 7 to be tested is arranged on the left side of the dynamic friction plate 10, the static friction plate 11 is correspondingly arranged on the right side of the dynamic friction plate 10, the right side of the static friction plate 11 is fixedly connected with the static friction plate displacement adjusting device, the static friction plate displacement adjusting device comprises an adjusting device fixing seat 13, a static friction plate fixing block 14 and a static friction plate displacement adjusting rod 15, the adjusting device fixing seat 13 is fixed on the right side of the test bench 1, the static friction plate fixing block 14 is in sliding connection with the adjusting device fixing seat 13 through a linear sliding guide rail 16, the linear sliding guide rail 16 is parallel to the axis of the rotating shaft of the motor 7 to be tested, the static friction plate displacement adjusting rod 15 comprises a rod body and a displacement adjusting knob, the left end part and the right end part of the rod body are respectively and rotatably connected with the left end wall and the right end wall of the adjusting device fixing seat 13, the right end of the rod body penetrates through the right end wall of the adjusting device fixing seat 13 and is fixed with the displacement adjusting knob, the rod body is provided with external threads and is rotatably installed with a threaded hole of the static friction plate fixing block 14, the static friction plate 11 is fixed at the left end of the static friction plate fixing block 14, and when the displacement adjusting knob is rotated, the static friction plate displacement adjusting rod drives the static friction plate fixing block 14 to slidably displace along the axial direction of the rotating shaft of the motor 7 to be tested, so that the static friction plate 11 contacts and rubs with the movable friction plate 10 and generates friction force required by test.
As shown in fig. 3, the rotation speed sensor is a hall rotation speed sensor (the speed measuring principle and structure thereof are in the prior art, and the structure thereof is combined with the device according to actual conditions): the rotary disk 17 is fixed on the left side surface of the dynamic friction plate 10 and is coaxial with the rotating shaft of the motor 7 to be tested, and a Hall sensor 19 corresponding to the small magnet 18 is arranged on the static friction plate fixing block 14.
As shown in fig. 3, a movable friction plate sliding shaft 20 coaxial with the rotating shaft of the motor 7 to be tested is arranged on the left side of the static friction plate 11, movable friction plate sliding connection holes matched with the movable friction plate sliding shaft 20 are formed in the movable friction plate 10 and/or the rotating disc 17, and the movable friction plate sliding shaft 20 is in sliding fit with the movable friction plate sliding connection holes.
As shown in fig. 3-4, the adjusting device fixing seat 13 is a "U" shaped fixing seat, the left and right protruding parts of the "U" shaped fixing seat are the left and right end walls of the adjusting device fixing seat 13, and the left and right ends of the linear sliding guide rail 16 are fixedly connected with the left and right end walls of the adjusting device fixing seat 13.
As shown in fig. 4, the left end and the right end of the rail of the linear sliding guide rail 16 are fixedly connected with the left end wall and the right end wall of the adjusting device fixing seat 13, respectively, and the threaded hole of the static friction plate fixing block 14 is located above the linear sliding guide rail 16.
A testing method of a miniature brushless motor testing device comprises the following steps:
a. The motor to be tested is positioned at a testing position, a rotating shaft of the motor to be tested 7 is penetrated from the left side to the right side of a motor rotating shaft adapting hole of a motor front end surface fixing plate 6 to be tested, so that a front end panel of the motor to be tested 7 is attached to the left side of the motor front end surface fixing plate 6 to be tested, a screw is penetrated from a screw penetrating hole on the right side of the motor front end surface fixing plate 6 to be tested and is screwed and fixed with a screw hole of the front end surface of the motor 7 to be tested, then the motor front end surface fixing plate 6 to be tested and the shell 5 are fixed together through a threaded connection structure, so that the motor 7 to be tested is fixed in a motor accommodating cavity to be tested, and the motor 7 to be tested is positioned at the testing position;
b. the circuit is connected with the torque sensor 2 and the DC5V direct current power supply which is adapted to the torque sensor, and the power is supplied to the motor 7 to be tested through the direct current stabilized power supply, wherein the direct current stabilized power supply has the functions of regulating and displaying output voltage and displaying output current (model: A-BF SS-3030 SPL);
c. The motor to be tested is tested, different voltages and different torques are respectively loaded on the motor to be tested according to test requirements, load current values and rotating speed values corresponding to the different voltages and the different torques are detected, each test voltage value is input to the motor to be tested according to the output voltage display value of the direct current stabilized power supply, the displacement adjustment knob is adjusted according to the torque display value measured by the torque sensor 2, the static friction plate 11 and the dynamic friction plate 10 are contacted and rubbed to generate corresponding friction force so as to achieve each test torque value, the load current values and the rotating speed values corresponding to each power supply voltage value and each torque value of the motor to be tested 7 are recorded, the load current values are output current values displayed by the direct current stabilized power supply, and the rotating speed values are the values displayed by the rotating speed sensor;
d. And c, calculating a test result, and performing statistical calculation according to each test power supply voltage value, each test torque value and each test power supply voltage value of the motor 7 to be tested, and each load current value and each rotating speed value corresponding to each test torque value, which are obtained in the step c (the calculating method is from the prior art), so as to obtain the relation among the rotating speed, the efficiency, the output power, the input current and the output torque of the motor when the motor 7 to be tested is loaded with different voltages.
Claims (2)
1. A miniature brushless motor testing arrangement, its characterized in that: the test bench comprises a test bench (1), a torque sensor (2), a motor-torque sensor connecting adapter, a rotating speed sensor and a torque adjusting device;
The left side of the test bench (1) is provided with a vertically arranged torque sensor left end mounting seat (3) which is used for being fixedly connected with a connecting structure (9) at the left end of the torque sensor (2) so that the torque sensor (2) is transversely arranged;
the motor-torque sensor connection adapter comprises a motor shell fixing structure to be tested and a torque sensor right end mounting seat (4), wherein the motor shell fixing structure to be tested comprises a shell (5) with a motor accommodating cavity to be tested and a motor front end surface fixing plate (6) to be tested, a motor rotating shaft adapting hole to be tested is formed in the middle of the motor front end surface fixing plate (6) to be tested, a screw penetrating hole for fixing the front end surface of the motor (7) to be tested is formed in the middle of the motor front end surface fixing plate (6) to be tested, a threaded connection structure is arranged between the motor front end surface fixing plate (6) to be tested and the shell (5) to be tested so as to fix the motor (7) to be tested in the motor accommodating cavity to be tested, the torque sensor right end mounting seat (4) is fixed on the left side of the motor accommodating shell (5) to be tested and is coaxial with the motor rotating shaft adapting hole to be tested, and the torque sensor right end mounting seat (4) is fixedly connected with a connecting structure (8) at the right end of the torque sensor (2);
The rotating speed sensor is used for detecting the rotating speed of the rotating shaft of the motor (7) to be detected;
The torque adjusting device comprises a movable friction plate (10), a static friction plate (11) and a static friction plate displacement adjusting device, a rotating shaft connecting structure (12) which is fixedly connected with a rotating shaft of a motor (7) to be measured is arranged on the left side of the movable friction plate (10), the static friction plate (11) is correspondingly arranged on the right side of the movable friction plate (10), the right side of the static friction plate (11) is fixedly connected with the static friction plate displacement adjusting device, the static friction plate displacement adjusting device comprises an adjusting device fixing seat (13), a static friction plate fixing block (14) and a static friction plate displacement adjusting rod (15), the adjusting device fixing seat (13) is fixed on the right side of the test table (1), the static friction plate fixing block (14) is in sliding connection with the adjusting device fixing seat (13) through a linear sliding guide rail (16), the linear sliding guide rail (16) is parallel to the axis of the rotating shaft of the motor (7) to be measured, the static friction plate displacement adjusting rod (15) comprises a rod body and a displacement adjusting knob, the left end part and the right end part of the rod body are respectively connected with the right end wall of the rod body (13) and the right end wall of the rod body (13) through a threaded hole, the threaded hole is formed in the threaded position adjusting device and the threaded position adjusting device is fixed on the end wall of the rod body (13), the static friction plate (11) is fixed at the left end of the static friction plate fixing block (14), and when the displacement adjusting knob is rotated, the static friction plate displacement adjusting rod drives the static friction plate fixing block (14) to slide and displace along the axial direction of the rotating shaft of the motor (7) to be tested, so that the static friction plate (11) and the dynamic friction plate (10) are contacted and rubbed to generate friction force required by testing;
The rotating speed sensor is a Hall rotating speed sensor: the automatic testing device comprises a rotary disk (17), wherein a small magnet (18) is arranged at the edge of the rotary disk (17), the rotary disk (17) is fixed on the left side surface of a movable friction plate (10) and is coaxial with a rotating shaft of a motor (7) to be tested, and a Hall sensor (19) corresponding to the small magnet (18) is arranged on a static friction plate fixing block (14);
A movable friction plate sliding shaft (20) coaxial with the rotating shaft of the motor (7) to be tested is arranged on the left side of the static friction plate (11), a movable friction plate sliding connection hole matched with the movable friction plate sliding shaft (20) is formed in the movable friction plate (10) and/or the rotating disc (17), and the movable friction plate sliding shaft (20) is in sliding fit with the movable friction plate sliding connection hole;
the adjusting device fixing seat (13) is a U-shaped fixing seat, the left side and the right side protruding parts of the U-shaped fixing seat are respectively a left end wall and a right end wall of the adjusting device fixing seat (13), and the left end and the right end of the linear sliding guide rail (16) are respectively fixedly connected with the left end wall and the right end wall of the adjusting device fixing seat (13);
The left end and the right end of the rail of the linear sliding guide rail (16) are respectively and fixedly connected with the left end wall and the right end wall of the adjusting device fixing seat (13), and the threaded hole of the static friction plate fixing block (14) is positioned above the linear sliding guide rail (16).
2. A method of testing a miniature brushless motor testing apparatus as claimed in claim 1, wherein the method comprises the steps of:
a. The method comprises the steps that a motor to be tested is positioned at a testing position, a rotating shaft of the motor to be tested (7) penetrates into the right side from the left side of a motor to be tested rotating shaft adapting hole of a motor to be tested front end face fixing plate (6), so that a front end panel of the motor to be tested (7) is attached to the left side of the motor to be tested front end face fixing plate (6), a screw penetrates into a screw hole on the right side of the motor to be tested front end face fixing plate (6) to be screwed and fixed with a screw hole on the front end face of the motor to be tested (7), and then the motor to be tested front end face fixing plate (6) and a shell (5) are fixed together through a threaded connection structure, so that the motor to be tested (7) to be tested is fixed in a motor accommodating cavity to be tested, and a movable friction plate (10) is fixedly connected with the rotating shaft of the motor to be tested (7) through a rotating shaft connection structure (12);
b. The circuit is connected with the torque sensor (2) and a corresponding power supply, and is powered by a direct-current stabilized power supply and a motor (7) to be tested, wherein the direct-current stabilized power supply has an output voltage adjusting and displaying function and an output current displaying function;
c. The method comprises the steps of testing a motor to be tested, loading different voltages and different torques on the motor to be tested according to test requirements, detecting load current values and rotating speed values corresponding to the different voltages and the different torques, inputting all test voltage values to the motor to be tested according to a direct-current stabilized power supply output voltage display value, adjusting a displacement adjusting knob according to a torque display value measured by a torque sensor (2), enabling a static friction plate (11) to contact and rub with a dynamic friction plate (10) and generate corresponding friction force so as to achieve all test torque values, and recording load current values and rotating speed values corresponding to all power supply voltage values and all torque values of the motor to be tested (7), wherein the load current values are output current values displayed by the direct-current stabilized power supply, and the rotating speed values are values displayed by the rotating speed sensor;
d. And c, calculating a test result, and carrying out statistical calculation according to each test power supply voltage value, each test torque value and each test power supply voltage value of the motor (7) to be tested, and each load current value and each rotating speed value corresponding to each test torque value, which are obtained in the step c, so as to obtain the relation among the rotating speed, the efficiency, the output power, the input current and the output torque of the motor when the motor (7) to be tested is loaded with different voltages.
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| CN211236147U (en) * | 2019-09-12 | 2020-08-11 | 西北工业大学 | Miniature brushless motor testing arrangement |
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| DE102007057299A1 (en) * | 2007-11-28 | 2009-06-04 | Valeo Schalter Und Sensoren Gmbh | Fixing device i.e. holder, for e.g. torque sensor arrangement, for motor vehicle, has dynamic and static units axially and radially fastened with each other before assembly such that units are mounted together |
| CN101929896B (en) * | 2009-06-24 | 2012-01-18 | 西北工业大学 | High-precision friction dynamic process testing device and method |
| CN201514297U (en) * | 2009-06-24 | 2010-06-23 | 西北工业大学 | Test set for friction force dynamic process |
| CN103048620B (en) * | 2012-12-27 | 2015-07-08 | 上海交通大学 | Method for measuring parameters of direct-current brushless motor |
| CN204903155U (en) * | 2015-08-28 | 2015-12-23 | 山东中联泵业有限公司 | Valve electric actuator torsion -testing test bench |
| CN105182236A (en) * | 2015-09-18 | 2015-12-23 | 卓越（苏州）自动化设备有限公司 | Device for detecting the performance of a wiper motor of passenger vehicle |
| CN105466678B (en) * | 2015-11-30 | 2018-01-05 | 北京卫星制造厂 | Harmonic gear reducer staring torque and frictional resistance moment test system and method |
| CN107478365B (en) * | 2017-08-16 | 2024-02-13 | 南京航空航天大学 | Ultrasonic motor dynamometer device with continuously adjustable load |
| CN109445324B (en) * | 2018-10-11 | 2020-10-13 | 北京中研华飞科技有限公司 | Control system and control method for motor and reducer integrated test |
-
2019
- 2019-09-12 CN CN201910865442.5A patent/CN110441690B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211236147U (en) * | 2019-09-12 | 2020-08-11 | 西北工业大学 | Miniature brushless motor testing arrangement |
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