Inductive permanent magnet synchronous motor

Abstract

This utility model discloses an inductive permanent magnet synchronous motor, including a fan blade cover, with a fan blade mounted on one end of the fan blade cover; an inductive sensor mounted on one end of the fan blade; a rear cover mounted on one end of the inductive sensor; and a stator assembly mounted on one end of the rear cover. The advantages of this utility model are: 1. The inductive sensor can output a sine wave signal, facilitating driver-driven control; 2. The inductive sensor has a simple structure, requires no magnetic signal induction, and is unaffected by high temperatures; 3. It is inexpensive.

Description

Technical Field

[0001] This utility model relates to the technical field, specifically to an inductive permanent magnet synchronous motor. Background Technology

[0002] Currently, the options for position sensors used in permanent magnet synchronous motors for new energy vehicles include: (1) Hall position sensor: square wave signal output, only suitable for permanent magnet synchronous motors with a motor speed of less than 5000 rpm. Moreover, the magnetic signal it induces is severely affected by high temperature. (2) Rotary transformer: sine wave signal output, high process requirements, complex structure, and high price. (3) Magnetic encoder: square wave signal output, its signal output is severely affected by temperature.

[0003] Therefore, an inductive permanent magnet synchronous motor is proposed. Summary of the Invention

[0004] The purpose of this invention is to provide an inductive permanent magnet synchronous motor to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An inductive permanent magnet synchronous motor includes a fan blade cover, wherein a fan blade is mounted on one end of the fan blade cover;

[0007] An inductive sensor is installed at one end of the fan blade;

[0008] The inductive sensor has a back cover installed at one end, and a stator assembly is installed at the other end of the back cover.

[0009] Furthermore, the stator assembly is equipped with a motor shaft.

[0010] Furthermore, the motor shaft is connected to the rear cover.

[0011] Furthermore, the inductive sensor is equipped with an inductive rotor.

[0012] Furthermore, the inductive sensor is mounted on a PCB board.

[0013] Furthermore, the induction rotor is made of non-magnetic metal.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. Inductive sensors can output sine wave signals, which facilitates driver-driven control;

[0016] 2. Inductive sensors have a simple structure, do not require sensing magnetic signals, and are unaffected by high temperatures;

[0017] 3. Low price. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0020] Example 1:

[0021] Please see Figure 1 This utility model provides a technical solution:

[0022] An inductive permanent magnet synchronous motor includes a fan blade cover 1, a fan blade 2 installed at one end of the fan blade cover 1, an inductive sensor 3 installed at one end of the fan blade 2, a rear cover 4 installed at one end of the inductive sensor 3 to protect the sensor, and a stator assembly 5 installed at one end of the rear cover 4, thus completing the assembly.

[0023] like Figure 1 As shown:

[0024] The stator assembly 5 is equipped with a motor shaft 6, which allows it to rotate. The motor shaft 6 is connected to the rear cover 4, and the two are installed together.

[0025] An inductive rotor and a PCB board are mounted on the inductive sensor 3 to output a sine wave signal, which is convenient for driving and controlling the driver. The inductive rotor is a non-magnetic metal.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An inductive permanent magnet synchronous motor, comprising a fan blade cover (1), characterized in that: A fan blade (2) is installed at one end of the fan blade cover (1); An inductive sensor (3) is installed at one end of the fan blade (2); The inductive sensor (3) has a back cover (4) installed at one end, and a stator assembly (5) is installed at the other end of the back cover (4).

2. The inductive permanent magnet synchronous motor according to claim 1, characterized in that: The stator assembly (5) is equipped with a motor shaft (6).

3. An inductive permanent magnet synchronous motor according to claim 2, characterized in that: The motor shaft (6) is connected to the rear cover (4).

4. An inductive permanent magnet synchronous motor according to claim 1, characterized in that: The inductive sensor (3) is equipped with an inductive rotor.

5. An inductive permanent magnet synchronous motor according to claim 1, characterized in that: The inductive sensor (3) is mounted on a PCB board.

6. An inductive permanent magnet synchronous motor according to claim 4, characterized in that: The induction rotor is made of non-magnetic metal.

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