Motor stator and rotor assembly and medical oxygen generator compressor

Abstract

The utility model relates to a motor stator and rotor assembly and a medical oxygen generator compressor, which comprise an iron core, a rotor, a stator and a stator winding, the thickness of the iron core is 65mm, the outer diameter of the stator is 102mm, the wire diameter of a first main phase winding and a second main phase winding of the stator winding is 0.53 mm, the number of turns of the first main phase winding is 105, and the number of turns of the second main phase winding is 60. The wire diameter of the first auxiliary phase winding and the wire diameter of the second auxiliary phase winding are 0.47 mm, the number of turns of the first auxiliary phase winding is 130, and the number of turns of the second auxiliary phase winding is 65. According to the motor stator and rotor assembly and the medical oxygen generator compressor, under the conditions of optimizing cost reduction and ensuring that the performance of the motor is not changed, when the rated rotating speed of the motor is 1400 revolutions, the rated output power is 250 W, the rated input power is smaller than or equal to 360 W, the current is smaller than or equal to 1.75 A, the temperature rise of the motor is lower than 55 K, and the motor stator and rotor assembly and the medical oxygen generator compressor are high in efficiency, low in temperature rise and low in noise.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field, concretely relates to a motor stator rotor subassembly and medical oxygen generator compressor with the motor stator rotor subassembly. BACKGROUND

[0002] Some medical oxygen generator compressors and cosmetic industry compressors adopt 24-slot single-phase alternating current asynchronous motor, the thickness of the iron core of the conventional use of the product is 70mm, the overall volume is large, the noise is high, and the manufacturing cost is high. UTILITY MODEL CONTENTS

[0003] In view of the deficiency in the prior art, the utility model provides a motor stator rotor subassembly and medical oxygen generator compressor with the motor stator rotor subassembly, which have high efficiency, low temperature rise, low noise and low manufacturing cost.

[0004] The utility model is realized through the following technical schemes:

[0005] The utility model provides a motor stator rotor subassembly, including the iron core, rotor, stator and stator winding, the thickness of iron core is 65mm, the outer diameter of stator is 102mm, the stator winding includes first main phase winding, second main phase winding, first auxiliary phase winding and second auxiliary phase winding, the wire diameter of first main phase winding and second main phase winding is 0.53mm, the number of turns of first main phase winding is 105, the number of turns of second main phase winding is 60, the wire diameter of first auxiliary phase winding and second auxiliary phase winding is 0.47mm, the number of turns of first auxiliary phase winding is 130, and the number of turns of second auxiliary phase winding is 65.

[0006] In order to effectively improve the motor noise, the outer wall of the rotor is uniformly provided with a plurality of inclined grooves inclined along the rotor axial direction.

[0007] Through the test, it is found that the number of inclined grooves is preferably 22, and the inclination angle is preferably 24.5°.

[0008] The utility model also provides a medical oxygen generator compressor, and the medical oxygen generator compressor has the above motor stator rotor subassembly.

[0009] The motor stator rotor subassembly and the medical oxygen generator compressor have the advantages that the motor stator rotor subassembly and the medical oxygen generator compressor use 102-65 (102 is the outer diameter of the stator, and 65 is the thickness of the iron core) to replace the existing motor model in the market, the motor has a rated output power of 250W, a rated input power of less than or equal to 360W, a current of less than or equal to 1.75A, and a motor temperature rise of less than 55K at a rated speed of 1400 revolutions per minute, and has high efficiency, low temperature rise and low noise. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 Structure diagram of the stator of the utility model;

[0011] Figure 2 Winding diagram of the stator of the utility model;

[0012] Figure 3 Structure diagram of the rotor of the utility model. DETAILED DESCRIPTION

[0013] The preferred embodiments of the utility model are described in detail below with reference to the drawings, so that the advantages and features of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0014] Embodiment 1:

[0015] As shown in the drawings, Figures 1-3 The utility model provides a motor stator rotor assembly, including the iron core, rotor 2, stator 1 and stator winding 3, wherein the iron core thickness is 65mm.

[0016] Specifically, in combination with the drawings, Figure 1 , Figure 2 The stator 1 is a 24-slot stator, the outer diameter is 102mm, the inner diameter is 60mm, the stator winding 3 includes first main phase winding 301, second main phase winding 302, first auxiliary phase winding 303 and second auxiliary phase winding 304, the wire diameter of first main phase winding 301 and second main phase winding 302 is 0.53mm, the number of turns of first main phase winding 301 is 105, the number of turns of second main phase winding 302 is 60, the wire diameter of first auxiliary phase winding 303 and second auxiliary phase winding 304 is 0.47mm, the number of turns of first auxiliary phase winding 303 is 130, the number of turns of second auxiliary phase winding 304 is 65, in addition, the stator winding 3 side is also fixed with thermal protector 4, and it is used for monitoring stator winding 3 temperature.

[0017] As shown in the drawings, Figure 3 The rotor 2 is uniformly provided with 22 inclined grooves 201 along the axial direction of the rotor 2 on the outer wall, and the angle formed when the first piece of the rotor is stacked to the last piece is 1.5 slots on the circumference, that is, the inclination angle of the inclined groove 201 is 24.5°.

[0018] Embodiment 2:

[0019] The embodiment provides a medical oxygen generator compressor, and the medical oxygen generator compressor has the motor stator rotor assembly.

[0020] The utility model discloses under the condition of optimizing and reducing the cost and guaranteeing the motor performance unchangeable, use 102-65 (102 is stator outer diameter, 65 is core thickness) to replace the market existing machine type, motor is at rated speed 1400 rounds, rated output power 250W, rated input power ≤360W, current ≤1.75A, motor temperature rise is lower than 55K. High efficiency, low temperature rise, the stator winding parameter is main phase wire diameter turns 105+60, the wire diameter of the secondary phase turns 130+65, the stator stop mouth size category is many, can be customized according to customer requirement, and the rotor skew slot adopts 1.5 slots, effectively improves motor noise, and the corresponding rotating shaft size of rotor can also be customized according to customer demand.

[0021] The above-mentioned embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it can not be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, and these all belong to the protection scope of the utility model.

Claims

1. An electric machine stator-rotor assembly comprising a core, a rotor, a stator and a stator winding, characterized by: The iron core thickness is 65mm, the stator outer diameter is 102mm, the stator winding comprises a first main phase winding, a second main phase winding, a first auxiliary phase winding and a second auxiliary phase winding, the first main phase winding and the second main phase winding have a wire diameter of 0.53mm, the first main phase winding has 105 turns, the second main phase winding has 60 turns, the first auxiliary phase winding and the second auxiliary phase winding have a wire diameter of 0.47mm, the first auxiliary phase winding has 130 turns, and the second auxiliary phase winding has 65 turns.

2. The motor stator-rotor assembly of claim 1, wherein: The rotor outer wall is uniformly provided with a plurality of inclined grooves along the axial direction of the rotor.

3. The motor stator-rotor assembly of claim 2, wherein: The number of the inclined grooves is 22, and the inclination angle is 24.5°.

4. A medical oxygen generator compressor, characterized in that: The medical oxygen generator compressor has the motor stator-rotor assembly according to any one of claims 1-3.

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