CN212781133U - Brushless motor electrical parameter testing device - Google Patents
Brushless motor electrical parameter testing device Download PDFInfo
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- CN212781133U CN212781133U CN202021499208.XU CN202021499208U CN212781133U CN 212781133 U CN212781133 U CN 212781133U CN 202021499208 U CN202021499208 U CN 202021499208U CN 212781133 U CN212781133 U CN 212781133U
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- positioning ring
- speed regulator
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Abstract
Brushless motor electrical parameter testing arrangement relates to brushless motor test technical field, especially a device of test brushless motor parameter. The test bracket is connected with the clamp, the test motor is arranged on the test bracket, and a motor shaft of the test motor is connected with one end of the coupler; the fixture comprises an outer shell, a positioning ring, an outer shell, a worm and a clamping jaw, wherein a plurality of slideways which are uniformly distributed in a circumferential shape are arranged on the wall of one end of the outer shell and communicated with the cavity, one end of the clamping jaw is vertically connected with a guide rod, and the guide rod is placed in the slideways; the positioning ring is provided with a plurality of circular arc-shaped guide through holes which are uniformly distributed in a circumferential shape, the test motor is connected with the speed regulator through a circuit, the speed regulator is connected with a direct current power supply through a wire, the speed regulator is connected with a Hall sensor of the test motor through a wire, the three-phase rectifier bridge is respectively connected with the power meter, the voltmeter and the ammeter in parallel through wires, and the ammeter is connected with the load resistor in series. Has long service life, does not discharge polluted gas and is more environment-friendly.
Description
Technical Field
The utility model relates to a brushless motor tests technical field, especially a device of test brushless motor parameter.
Background
The conventional model airplane generally uses an electric motor or an internal combustion engine as a power device, and when the internal combustion engine is used, a brushless motor is generally connected with the internal combustion engine, so that the brushless motor generally works as a generator. In the process of selecting the brushless motor, the electric parameters of the brushless motor need to be tested, and the brushless motor needs to be connected with an internal combustion engine to run in the test process, but the internal combustion engine has low rotating speed stability and high noise, and the high rotating speed running time has great influence on the service life of the engine, so that the brushless motor cannot be tested and run for a long time.
Disclosure of Invention
An object of the utility model is to above prior art not enough, provide a brushless motor electrical parameter testing arrangement, reach at long-time test brushless motor's in-process, the purpose of no emission, noiselessness.
The utility model provides a brushless motor electrical parameter testing arrangement, its characterized in that: the test device comprises a test bracket, a test motor, a clamp and a coupler, wherein the test bracket is connected with the clamp; the fixture comprises an outer shell, a positioning ring, a worm wheel, a worm and a clamping jaw, wherein a plurality of slideways which are uniformly distributed in a circumferential shape are arranged on the wall of one end of the outer shell and communicated with the cavity, one end of the clamping jaw is vertically connected with a guide rod, and the guide rod is placed in the slideways; a plurality of circular arc-shaped guide through holes which are uniformly distributed in a circumferential shape are arranged on the positioning ring, one end of each circular arc-shaped guide through hole is close to the outer end of the positioning ring, and the other end of each circular arc-shaped guide through hole is close to the circle center of the positioning ring; the guide pin shaft is arranged on the guide rod and is placed in the circular arc-shaped guide through hole of the positioning ring; a rotating shaft is arranged in the cavity of the outer shell and is rotationally connected with the wall of the outer shell, the rotating shaft is sequentially matched with the positioning ring and the worm wheel, two through holes are formed in the side wall of the outer shell, and two ends of the worm penetrate through the through holes in the side wall of the outer shell and are connected with the rotating handle; the testing motor is connected with the speed regulator through a circuit, the speed regulator is connected with a direct current power supply through a lead, the speed regulator is connected with a Hall sensor of the testing motor through a lead, the three-phase rectifier bridge is respectively connected with the power meter, the voltmeter and the ammeter in parallel through leads, and the ammeter is connected with the load resistor in series.
And fixing plate fixing plates are respectively fixedly arranged at two ends of the test bracket and fixedly connected with the clamp.
An electrical box is installed at one end of the test support, and a speed regulator, a three-phase rectifier bridge, a power meter, a voltmeter, an ammeter and a load resistor are installed in the electrical box.
Compared with the prior art, the utility model discloses following outstanding beneficial effect has:
this device drives through test brushless motor and is surveyed brushless motor and rotate, and brushless motor has the low noise, and no emission, and the rotational speed range is wide, can run advantage such as for a long time, and consequently, this device has long service life, can not discharge gaseous pollutants, more is the environmental protection.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the clamp of the present invention.
Fig. 3 is a schematic view of the internal structure of the clamp of the present invention.
Fig. 4 is a schematic structural diagram of the positioning ring of the present invention.
Fig. 5 is a schematic diagram of the electrical structure of the present invention.
Detailed Description
The invention is further described with reference to the drawings and the detailed description.
As shown in fig. 1, the utility model discloses a test support 3, test motor 6, anchor clamps 2 and shaft coupling 14.
The two ends of the test support 3 are respectively and fixedly provided with a fixing plate 1, the fixing plate 1 is fixedly connected with a clamp 2, one clamp 2 is used for clamping a test motor 6, the other clamp 2 is used for installing a tested brushless motor 7, and a motor shaft of the test motor 6 is connected with a motor shaft of the tested brushless motor 7 through a coupler 14.
As shown in fig. 2 to 4, the fixture 2 includes an outer housing 202, a positioning ring 207, a worm wheel 206, a worm 205, and a jaw 204, the outer housing 202 has a cavity, a plurality of slideways are disposed on a wall of one end of the outer housing 202 and communicated with the cavity, the slideways are uniformly distributed in a circumferential shape, one end of the jaw 204 is vertically and fixedly connected with a guide rod 203, and the guide rod 203 is disposed in the slideways.
The positioning ring 207 is provided with a plurality of circular arc-shaped guide through holes which are uniformly distributed in a circumferential shape, the number of the circular arc-shaped guide through holes is equal to that of the clamping jaws 204, one end of each circular arc-shaped guide through hole is close to the outer end of the positioning ring 207, and the other end of each circular arc-shaped guide through hole is close to the circle center of the positioning ring 207. A guide pin shaft 208 is fixedly mounted on the guide rod 203, and the guide pin shaft 208 is placed in the circular arc-shaped guide through hole of the positioning ring 207. When the positioning ring 207 rotates, the positioning ring 207 drives the guide rod 203 to move along the slide way of the outer shell 202 through the circular arc-shaped guide through hole and the guide pin shaft 208.
A rotating shaft is installed in a cavity of the outer shell 202, two ends of the rotating shaft are respectively connected with the wall of the outer shell 202 in a rotating mode, the rotating shaft is fixedly matched with a central hole of the positioning ring 207, a worm wheel hole of the worm wheel 206 is fixedly matched with the rotating shaft, two through holes are formed in the side wall of the outer shell 202, two ends of the worm 205 penetrate through holes in the side wall of the outer shell 202 and are connected with the rotating handle 201, and two ends of the worm 205 are respectively matched with the through holes in the side wall of the outer shell. The worm 205 can be driven to rotate by rotating the rotating handle 201, the worm 205 drives the worm wheel 206 to rotate, and the worm wheel 206 drives the positioning ring 207 to rotate.
An electrical box 4 is installed at one end of the test support 3, and a speed regulator 5, a three-phase rectifier bridge 8, a tachometer 9, a power meter 10, a voltmeter 13, an ammeter 11 and a load resistor 12 are installed in the electrical box 4.
As shown in fig. 5, the test motor 6 is a brushless motor, the test motor 6 is connected to the speed regulator 5 through a circuit, the speed regulator 5 is connected to a dc power supply through a wire, the dc power supply is used to supply power to the speed regulator 5, the speed regulator 5 converts the dc power into three-phase power to supply the three-phase power to the test motor 6, and the speed regulator 5 is connected to a hall sensor of the test motor 6 through a wire. The brushless motor 7 to be tested is connected with the tachometer 9 and the three-phase rectifier bridge 8 through wires respectively, the tachometer 9 is connected with a Hall sensor of the brushless motor 7 to be tested, so that the rotating speed of the brushless motor 7 to be tested can be measured, the three-phase rectifier bridge 8 is connected with the power meter 10, the voltmeter 13 and the ammeter 11 in parallel through wires respectively, and the ammeter 11 is connected with the load resistor 12 in series.
The operation flow is as follows: when brushless motor 7 to be tested needs to be tested, a Hall speed sensor on brushless motor 7 to be tested is connected with tachometer 9, brushless motor 7 to be tested is connected with three-phase rectifier bridge 8, turning handle 201 is rotated, turning handle 201 drives worm 205 to rotate, worm 205 drives worm wheel 206 to rotate, worm wheel 206 drives positioning ring 207 to rotate, when positioning ring 207 rotates, positioning ring 207 drives guide rod 203 to move along the slide way of outer shell 202 through arc-shaped guide through hole and guide pin shaft 208, guide rod 203 drives jack catch 204 to move, a plurality of jack catches 204 clamp brushless motor 7 to be tested, motor 6 to be tested and the motor shaft of brushless motor 7 to be tested are connected through a coupler. The test motor 6 is started, the test motor 6 drives the tested brushless motor 7 to rotate through the coupler 14, the tested brushless motor 7 outputs rotating speed numbers from the rotating speed meter 9 in the rotating process, currents generated by the brushless motor in the rotating process are converted into direct currents through the three-phase rectifier bridge 8, and therefore the power numbers can be output from the power meter 10, the current numbers are output from the ammeter 11, and the voltage numbers are output from the voltmeter 13.
It should be noted that while the invention has been described in detail with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various obvious changes can be made therein without departing from the spirit and scope of the invention.
Claims (3)
1. The utility model provides a brushless motor electrical parameter testing arrangement which characterized in that: the test device comprises a test support (3), a test motor (6), a clamp (2) and a coupler (14), wherein the test support (3) is connected with the clamp (2), the test motor (6) is installed on the test support (3), and a motor shaft of the test motor (6) is connected with one end of the coupler (14); the fixture (2) comprises an outer shell (202), a positioning ring (207), a worm wheel (206), a worm (205) and a jaw (204), wherein a plurality of slideways which are uniformly distributed in a circumferential shape are arranged on the wall of one end of the outer shell (202) and communicated with the cavity, one end of the jaw (204) is vertically connected with a guide rod (203), and the guide rod (203) is placed in the slideways; a plurality of circular arc-shaped guide through holes which are uniformly distributed in a circumferential shape are formed in the positioning ring (207), one end of each circular arc-shaped guide through hole is close to the outer end of the positioning ring (207), and the other end of each circular arc-shaped guide through hole is close to the circle center of the positioning ring (207); a guide pin shaft (208) is arranged on the guide rod (203), and the guide pin shaft (208) is placed in the arc-shaped guide through hole of the positioning ring (207); a rotating shaft is arranged in a cavity of the outer shell (202), the rotating shaft is rotationally connected with the wall of the outer shell (202), the rotating shaft is sequentially matched with a positioning ring (207) and a worm wheel (206), two through holes are formed in the side wall of the outer shell (202), and two ends of a worm (205) penetrate through the through holes in the side wall of the outer shell (202) and are connected with a rotating handle (201); the testing motor (6) is connected with the speed regulator (5) through a circuit, the speed regulator (5) is connected with a direct current power supply through a lead, the speed regulator (5) is connected with a Hall sensor of the testing motor (6) through a lead, the three-phase rectifier bridge (8) is respectively connected with the power meter (10), the voltmeter (13) and the ammeter (11) in parallel through leads, and the ammeter (11) is connected with the load resistor (12) in series.
2. The brushless electric machine electrical parameter testing apparatus of claim 1, wherein: the two ends of the test support (3) are respectively and fixedly provided with a fixing plate (1), and the fixing plate (1) is fixedly connected with the clamp (2).
3. The brushless electric machine electrical parameter testing apparatus of claim 1, wherein: an electrical box (4) is installed at one end of the test support (3), and a speed regulator (5), a three-phase rectifier bridge (8), a power meter (10), a voltmeter (13), an ammeter (11) and a load resistor (12) are installed in the electrical box (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021499208.XU CN212781133U (en) | 2020-07-27 | 2020-07-27 | Brushless motor electrical parameter testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021499208.XU CN212781133U (en) | 2020-07-27 | 2020-07-27 | Brushless motor electrical parameter testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212781133U true CN212781133U (en) | 2021-03-23 |
Family
ID=75039054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021499208.XU Active CN212781133U (en) | 2020-07-27 | 2020-07-27 | Brushless motor electrical parameter testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212781133U (en) |
-
2020
- 2020-07-27 CN CN202021499208.XU patent/CN212781133U/en active Active
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