Rotor structure of non-magnetic reluctance motor

Abstract

The utility model discloses a rotor structure of a non-magnetic reluctance motor, which comprises a rotor shaft and a rotor heat dissipation structure, and is characterized in that the rotor heat dissipation structure is sleeved on the outer surface of the rotor shaft. By installing the rotor heat dissipation structure, when a large amount of heat is generated in the operation process of the rotor, the fan can take away the heat, in addition, the ventilation grooves and the heat dissipation grooves which are longitudinally formed can accelerate heat discharge, and the heat dissipation through holes and the heat conduction columns which are transversely formed in the rotor protruding blocks can exchange air in the heat dissipation grooves; a coil dust collecting assembly is arranged, due to the fact that a rotor structure is arranged on the inner side of a coil, dust and foreign matter falling from the coil can be collected into an arc-shaped collecting box through a collecting groove, and ventilation holes in the two ends are filled with filter elements, so that ventilation and heat dissipation of the coil are facilitated; and in addition, the arc-shaped collecting box is connected with the T-shaped groove through the T-shaped plate, follow-up disassembly and extraction are facilitated, and therefore the box cover can be conveniently disassembled to clean dust in the box.

Description

TECHNICAL FIELD

[0001] The utility model relates to a no -magnetic reluctance motor technical field, concretely is a rotor structure of no -magnetic reluctance motor. BACKGROUND

[0002] No -magnetic reluctance motor is a kind of motor without magnet, usually called no -core motor or ferromagnetic negative resistance motor, the torque of this kind of motor is generated by the magnetic field generated by electric current, drives motor to rotate, and its working principle is to use the magnetic field generated by current into coil to generate torque, drive rotor.

[0003] The prior art discloses a rotor of a reluctance motor, which comprises a rotor shaft and a rotor lamination, the rotor lamination is assembled outside the rotor shaft, a plurality of salient poles are uniformly distributed in the circumferential direction of the rotor lamination, the salient poles protrude outward in the radial direction from the rotor lamination, a grating scale disc is further arranged on the rotor shaft, the grating scale disc is coaxial with the rotor lamination, a plurality of grating plates are arranged in the circumferential direction of the grating scale disc, and the number and positions of the grating plates correspond to the number and positions of the salient poles on the rotor lamination.

[0004] The rotor structure of the above technical scheme is simple, and a large amount of heat is generated during the operation of the rotor, which will cause the temperature to rise if not dissipated in time, thereby affecting the performance and service life of the reluctance motor. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a rotor structure of no -magnetic reluctance motor to solve the problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a rotor structure of no -magnetic reluctance motor, including rotor shaft and rotor heat dissipation structure, the rotor heat dissipation structure is set outside the outer surface of rotor shaft;

[0007] The rotor heat dissipation structure includes a rotor body, ventilation grooves are arranged around the circumferential direction of the rotor body, rotor lugs are arranged on the outer surface of the rotor body in the circumferential direction, the rotor lugs are penetrated by heat dissipation grooves, heat dissipation through holes are arranged on the left and right outer surfaces of the rotor lugs and located on the left and right sides of the heat dissipation grooves, heat-conducting columns are embedded in the heat dissipation through holes, and coil dust collecting assemblies are slidingly installed on the outer surface of the rotor body between adjacent rotor lugs.

[0008] In the above technical scheme, the ventilation grooves and heat dissipation grooves arranged longitudinally can accelerate heat dissipation, and the heat dissipation through holes and heat-conducting columns arranged transversely on the rotor lugs can exchange air in the heat dissipation grooves, thereby improving the heat dissipation efficiency.

[0009] As a further preferred aspect of the present technical solution, the rotor shaft rear end is sleeved with a fan blade.

[0010] In the above technical solution, the rotation of the rotor shaft and the rotor heat dissipation structure can drive the fan blade to rotate to blow air to dissipate heat inside the non-magnetic reluctance motor.

[0011] As a further preferred aspect of the present technical solution, the heat conduction column is columnar, with one end extending into the heat dissipation groove and the other end extending out of the heat dissipation through hole.

[0012] In the above technical solution, the heat conduction column is made of copper, which has excellent heat conduction performance and can quickly conduct heat and effectively dissipate heat.

[0013] As a further preferred aspect of the present technical solution, the coil dust collection assembly includes a T-shaped plate, and arc-shaped collection boxes are fixedly connected to the outer sides of both ends of the T-shaped plate, and box covers are arranged on the upper ends of the arc-shaped collection boxes through screws.

[0014] As a further preferred aspect of the present technical solution, T-shaped grooves are formed in the outer surface of the rotor body and located between the two rotor lugs, the T-shaped grooves are open to the outer surface of the rotor body, and the inner walls of the T-shaped grooves and the outer walls of the T-shaped plates are slidably connected.

[0015] In the above technical solution, the arc-shaped collection boxes are connected with the T-shaped grooves through the T-shaped plates, which facilitates subsequent disassembly and extraction, thereby facilitating the disassembly of the box covers for cleaning the dust inside.

[0016] As a further preferred aspect of the present technical solution, the arc-shaped collection boxes are arranged with ventilation holes at the front and rear ends, and filter elements are filled in the ventilation holes.

[0017] In the above technical solution, filter elements are filled in the ventilation holes at both ends, which facilitates the ventilation and heat dissipation of the coil.

[0018] As a further preferred aspect of the present technical solution, the box covers are arranged with collection grooves at the upper ends.

[0019] The rotor structure of the non-magnetic reluctance motor has the following beneficial effects:

[0020] (1) The rotor heat dissipation structure is installed in the present utility model, when a large amount of heat is generated during the operation of the rotor, the fan can take away the heat, in addition, the vertically arranged ventilation grooves and heat dissipation grooves can accelerate the heat dissipation, the heat dissipation through holes and heat conduction columns arranged transversely on the rotor lugs can exchange the air in the heat dissipation grooves, thereby improving the heat dissipation efficiency, and the heat conduction columns are made of copper, which has excellent heat conduction performance and can quickly conduct heat and effectively dissipate heat.

[0021] (2) The coil dust collecting assembly is arranged on the inner side of the coil, and the dust and foreign matters falling from the coil can be collected in the arc-shaped collecting box through the collecting groove, the filter core is filled in the ventilation holes at two ends, the coil is ventilated and radiated, the arc-shaped collecting box is connected with the T-shaped groove through the T-shaped plate, the arc-shaped collecting box is convenient to disassemble and extract, and the dust in the arc-shaped collecting box is convenient to clean. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure schematic view of a rotor of a non-magnetic reluctance motor of the utility model;

[0023] Figure 2 It is a structure schematic view of a rotor heat dissipation structure of the utility model;

[0024] Figure 3 It is a partial sectional view of the rotor of the utility model;

[0025] Figure 4 It is an enlarged view of the A figure of the utility model;

[0026] Figure 5 It is a structure schematic view of a coil dust collecting assembly of the utility model;

[0027] In the figure: 1, rotor shaft; 2, rotor heat dissipation structure; 3, fan blade; 21, rotor main body; 211, ventilation groove; 212, T-shaped groove; 22, rotor protruding block; 221, heat dissipation groove; 222, heat dissipation through hole; 223, heat conduction column; 23, coil dust collecting assembly; 231, T-shaped plate; 232, arc-shaped collecting box; 233, ventilation hole; 234, box cover; 235, collecting groove. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model.

[0029] The utility model provides technical scheme: Figure 1 As shown in the figure, in the embodiment, a rotor structure of a non-magnetic reluctance motor comprises a rotor shaft 1 and a rotor heat dissipation structure 2, the rotor heat dissipation structure 2 is sleeved on the outer surface of the rotor shaft 1, a fan blade 3 is sleeved on the rear end of the rotor shaft 1, the arranged fan blade 3 can rotate along with the rotor shaft 1, and the blown wind carries away heat.

[0030] As shown in the figure, Figure 3 And Figure 4As shown, the rotor heat dissipation structure 2 includes a rotor body 21, which is arranged around the center of the circle and has a ventilation groove 211, and the rotor body 21 has a rotor protrusion 22 arranged on the outer surface of the center of the circle, the rotor protrusion 22 is arranged through the heat dissipation groove 221, the left and right outer surfaces of the rotor protrusion 22 and the left and right sides of the heat dissipation groove 221 are arranged and have a heat dissipation hole 222, the heat dissipation hole 222 is embedded with a heat conduction column 223, the heat conduction column 223 is columnar, one end extends into the heat dissipation groove 221, and the other end extends out of the heat dissipation hole 222. By installing the rotor heat dissipation structure 2, when a large amount of heat is generated during the operation of the rotor, the fan 3 can take away the heat, in addition, the vertically arranged ventilation groove 211 and the heat dissipation groove 221 can accelerate the heat dissipation, the heat dissipation hole 222 and the heat conduction column 223 arranged transversely on the rotor protrusion 22 can exchange the air in the heat dissipation groove 221, thereby improving the heat dissipation efficiency, and the heat conduction column 223 is made of copper and has excellent heat conduction performance, which can quickly conduct heat and effectively dissipate heat.

[0031] As shown in Figure 2 and Figure 5 , the rotor body 21 has a coil dust collection assembly 23 arranged on the outer surface and between the adjacent two rotor protrusions 22, the coil dust collection assembly 23 includes a T-shaped plate 231, the outer side of both ends of the T-shaped plate 231 is fixedly connected with an arc-shaped collection box 232, the upper end of the arc-shaped collection box 232 is provided with a box cover 234 through a screw, the front and rear ends of the arc-shaped collection box 232 are arranged and have a ventilation hole 233, the ventilation hole 233 is filled with a filter core, the upper end of the box cover 234 is arranged and has a collection groove 235, the outer surface of the rotor body 21 has a T-shaped groove 212 arranged at both ends between the adjacent two rotor protrusions 22, the T-shaped groove 212 is in communication with the outer surface of the rotor body 21, and the inner wall of the T-shaped groove 212 and the outer wall of the T-shaped plate 231 are slidably connected. By arranging the coil dust collection assembly 23, since the rotor structure is arranged on the inner side of the coil, the dust and foreign matters falling from the coil can be collected in the arc-shaped collection box 232 through the collection groove 235, the ventilation hole 233 at both ends is filled with a filter core, which facilitates the ventilation and heat dissipation of the coil, and the arc-shaped collection box 232 is connected with the T-shaped groove 212 through the T-shaped plate 231, which facilitates the subsequent disassembly and extraction, thereby facilitating the disassembly of the box cover 234 to clean the dust inside.

[0032] The utility model provides a rotor structure of non -magnetic reluctance motor, concrete working principle is as follows: rotor shaft 1 and rotor heat dissipation structure 2 rotation operation can drive fan blade 3 rotation, and the inside of non -magnetic reluctance motor is blown and is heat dissipated, and the longitudinally opened ventilation groove 211 and heat dissipation groove 221 can accelerate heat discharge, and the heat dissipation through -hole 222 and heat conduction column 223 of rotor lug 22 transversely arranged can exchange the air in heat dissipation groove 221, because rotor structure sets up in the inside of coil, through collection groove 235 can collect the dust foreign matter falling down on coil in arc collection box 232, and arc collection box 232 is connected with T type groove 212 through T type board 231, and the subsequent dismounting is convenient to draw out, thereby the dust in the inside is cleaned up conveniently to dismount box cover 234.

[0033] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rotor structure of a non-magnetic reluctance machine comprising a rotor shaft (1) and a rotor heat spreading structure (2), characterized in that: The rotor heat dissipation structure (2) is sleeved on the outer surface of the rotor shaft (1); The rotor heat dissipation structure (2) comprises a rotor body (21), ventilation grooves (211) are arranged around the center of the rotor body (21), rotor protrusions (22) are arranged on the outer surface of the rotor body (21) in the center direction, the rotor protrusions (22) are arranged through heat dissipation grooves (221), heat dissipation through holes (222) are arranged on the left and right outer surfaces of the rotor protrusions (22) and located on the left and right sides of the heat dissipation grooves (221), heat conduction columns (223) are embedded in the heat dissipation through holes (222), and coil dust collecting assemblies (23) are slidingly installed on the outer surface of the rotor body (21) and located between adjacent two rotor protrusions (22).

2. A rotor structure for a non-magnetic reluctance motor as defined in claim 1, characterized in that: The rotor shaft (1) is sleeved with a fan blade (3) at the rear end.

3. A rotor structure for a magnetically non-saturable reluctance motor as claimed in claim 1, characterised in that: The heat conduction column (223) is columnar, one end of which extends into the heat dissipation groove (221), and the other end extends out of the heat dissipation through hole (222).

4. A rotor structure for a magnetically non-saturable reluctance motor as claimed in claim 1, characterised in that: The coil dust collecting assembly (23) comprises a T-shaped plate (231), arc-shaped collecting boxes (232) are fixedly connected to the outer sides of both ends of the T-shaped plate (231), and box covers (234) are arranged on the upper ends of the arc-shaped collecting boxes (232) through screws.

5. A rotor structure for a magnetically non-saturable reluctance motor as claimed in claim 1, characterized in that: T-shaped grooves (212) are arranged on the outer surface of the rotor body (21) and located between both ends of the adjacent two rotor protrusions (22), the T-shaped grooves (212) are in communication with the outer surface of the rotor body (21), and the inner wall of the T-shaped groove (212) and the outer wall of the T-shaped plate (231) are slidingly connected.

6. A rotor structure for a magnetically non-saturable reluctance motor as claimed in claim 4, characterised in that: Ventilation holes (233) are arranged in an arc-shaped manner on the front and rear ends of the arc-shaped collecting box (232), and filter elements are filled in the ventilation holes (233).

7. A rotor structure for a magnetically non-saturable reluctance motor as claimed in claim 4, characterised in that: Collecting grooves (235) are arranged in an array on the upper end of the box cover (234).

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