An adjustable hall plate brushless motor

Abstract

The application relates to an adjustable Hall plate brushless motor, belonging to the technical field of brushless motors, which comprises a protective shell, a first end cover, a stator, a rotor, a connecting cover assembly and a circuit board, the stator is connected in the protective shell, the rotor is connected in the stator, the circuit board is connected on the stator, the first end cover is connected at one end of the protective shell, and the connecting cover assembly is connected at the other end of the protective shell; the connecting cover assembly comprises a second end cover, an adjusting piece and a Hall plate, the second end cover is connected on the protective shell, the adjusting piece is connected on the second end cover, the Hall plate is provided with a Hall sensor, the Hall plate is connected on the adjusting piece, and the adjusting piece is used for adjusting the position of the Hall plate. The Hall plate and the circuit board are separately arranged, if the mounting position of the Hall sensor of the Hall plate is inconsistent with the preset position, the position of the Hall plate is adjusted through the adjusting piece, so that the position of the Hall sensor is adjusted to the preset position, and the precision of motor forward and reverse rotation is improved.

Claims

1. An adjustable Hall plate brushless motor, characterized by: The device includes a housing (1), a connector (12), a first end cap (2), a stator (3), a rotor (4), a connecting cover assembly (7), and a circuit board (6). The stator (3) is connected inside the housing (1), the rotor (4) is connected inside the stator (3), the circuit board (6) is connected to the stator (3), the first end cap (2) is connected to one end of the housing (1), and the connecting cover assembly (7) is connected to the other end of the housing (1). The connecting cover assembly (7) includes a second end cover (71), an adjusting member (73), and a Hall plate (74). The second end cover (71) is connected to the protective shell (1). The adjusting member (73) is connected to the second end cover (71). A Hall sensor (743) is provided on the Hall plate (74). The Hall sensor (743) is connected to the Hall plate (74). The Hall plate (74) is connected to the adjusting member (73). The adjusting member (73) is used to adjust the position of the Hall plate (74). The connector (12) is located between the housing (1) and the second end cap (71), and the connector (12) is used to connect the second end cap (71) to the housing (1).

2. A brushless motor with an adjustable Hall plate according to claim 1, characterized in that: The adjusting component (73) includes an adjusting block (733) and an adjusting rod (731). An adjusting hole (712) is provided on the second end cover (71). The Hall plate (74) is connected to the adjusting block (733). The adjusting block (733) is located at one end of the second end cover (71). The end of the adjusting rod (731) passes through the adjusting hole (712) on the second end cover (71) and is connected to the adjusting block (733).

3. A brushless motor with an adjustable Hall plate according to claim 2, characterized in that: The adjusting rod (731) has a threaded end near the adjusting block (733), and the adjusting rod (731) is threadedly connected to the adjusting block (733).

4. A brushless motor with an adjustable Hall plate according to claim 2, characterized in that: A power line (62) is soldered onto the circuit board (6), and a mounting hole (711) is provided on the second end cover (71). The power line (62) passes through the Hall plate (74) and the adjusting block (733) in sequence and extends out from the mounting hole (711) of the second end cover (71). A signal line (744) is welded onto the Hall plate (74), the signal line (744) passes through the adjustment block (733) and extends out from the mounting hole (711) of the second end cover (71).

5. A brushless motor with an adjustable Hall plate according to claim 4, characterized in that: The connecting cover assembly (7) includes a cable sheath (72) which is connected to the mounting hole (711) and the power cable (62) and signal cable (744) both pass through the cable sheath (72).

6. A brushless motor with an adjustable Hall plate according to claim 1, characterized in that: The connector (12) includes a connecting ring (121) which connects the second end cap (71) to the protective shell (1) by means of threads.

7. A brushless motor with an adjustable Hall plate according to claim 6, characterized in that: The connector (12) also includes a mounting ring (11), which has a positioning mounting hole (111). The second end cap (71) has a positioning connecting rod (716), and the second end cap (71) is connected to the positioning mounting hole (111) of the mounting ring (11) through the positioning connecting rod (716).

8. A brushless motor with an adjustable Hall plate according to claim 6, characterized in that: The connector (12) further includes a pusher (1213) and a positioning post (1214). The positioning post (1214) is slidably connected to the protective shell (1). The pusher (1213) connects the positioning post (1214) to the protective shell (1). The pusher (1213) is used to push the positioning post (1214). The positioning post (1214) is also slidably connected to the second end cap (71).

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