CN219204236U

CN219204236U - Switch reluctance motor with conveniently replaced position plate

Info

Publication number: CN219204236U
Application number: CN202320171525.6U
Authority: CN
Inventors: 王福杰; 郭晓静
Original assignee: Shandong Depuda Electric Motor Co ltd
Current assignee: Shandong Depuda Electric Motor Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-06-16
Anticipated expiration: 2033-02-03

Abstract

The utility model relates to a switched reluctance motor equipment technical field especially relates to a conveniently change switched reluctance motor of position board, including motor body, CD-ROM disk, position board and position board fixing device, position board fixing device includes the motor rear end cap, the motor rear end cap is including inside end cap body and the place ahead and end cap body integrated into one piece's end cap stiff end that link up, and the inside annular fixed band that is equipped with of end cap body, this internal annular fixed band rear that is located of end cap is equipped with detachable mounting panel, the place ahead fixed mounting of mounting panel has the position board. The switch reluctance motor with the position plate convenient to replace can realize the replacement of the position plate without dismantling the rear end cover; the position positioning is only required to align the positioning rod and the positioning hole; the rear end cover does not need to be provided with a position line plug, so that line fault points are reduced.

Description

Switch reluctance motor with conveniently replaced position plate

Technical Field

The application relates to the technical field of switched reluctance motor equipment, in particular to a switched reluctance motor with a position plate convenient to replace.

Background

The statements in this section merely provide background information related to the present application and may not necessarily constitute prior art.

The position information of the rotor of the switch reluctance motor is collected through a position sensor arranged on a position plate in a rear end cover of the motor, the installation position of the position plate is positioned and calibrated when leaving the factory, the position sensor generally adopts a photoelectric or Hall switch, and a position signal is output to a controller of the switch reluctance motor through detecting a shading disc coaxially arranged on the rotor.

In practice, the switch reluctance motor has a severe working environment and large field vibration, so that the position plate in the rear end cover of the motor is easy to fail, and maintenance personnel are required to replace the position plate. The prior common treatment method is to disassemble the rear end cover, replace the position plate, and then install the rear end cover according to the original same position. This creates the following problems: 1. the rear end cover is heavy and inconvenient to detach; 2. when the rear end cover is installed finally, the position of the rear end cover is the same as the position before, and the position of the installed position plate is consistent with the position of positioning calibration when leaving a factory; 3. the rear end cover is connected with a position wire plug, the position wire is pulled down firstly when the rear end cover is disassembled, the position wire plug is plugged in again when the rear end cover is restored, poor contact of the position wire plug can be caused for a long time, and if the position wire plug is not pulled out, the position wire is easily broken or damaged because the rear end cover is heavy.

In view of the foregoing, there is a need for a switched reluctance motor that facilitates replacement of a position plate to solve the above-described problems in the related art.

Disclosure of Invention

Based on the above technical problems, the application provides a switched reluctance motor with a position plate convenient to replace.

The technical scheme that this application solved the problem that prior art exists and adopted is:

the application provides a switch reluctance motor convenient for replacing a position plate, which comprises a motor body, a light shielding disc, the position plate and a position plate fixing device, wherein the position plate fixing device comprises a motor rear end cover, the motor rear end cover comprises an end cover body which is internally communicated with the motor rear end cover and an end cover fixing end which is integrally formed with the front part and the end cover body, a plurality of adjusting holes are formed in the end cover fixing end, a second threaded hole matched with the adjusting holes is formed in a motor stator, a first screw is arranged in the adjusting hole, and the first screw is in threaded connection with the second threaded hole;

an annular fixing belt is fixedly arranged in the end cover body, a detachable mounting plate is arranged in the end cover body and positioned behind the annular fixing belt, and a position plate is fixedly arranged in front of the mounting plate;

the end cover body is provided with a wire inlet hole, a cable waterproof connector is fixedly arranged in the wire inlet hole, and a signal wire of the position plate is led out through the cable waterproof connector.

Preferably, the motor body comprises a motor stator and a rotor, and the shading disc is axially and fixedly sleeved at the tail end of the rotor.

Preferably, the mounting plate comprises an outer mounting plate and an inner mounting plate which are integrally formed, the inner mounting plate is arranged in the annular fixing band in a sliding mode, the outer mounting plate is arranged in the end cover body in a sliding mode, a positioning rod is fixedly arranged on the outer mounting plate, and a positioning hole matched with the positioning rod is formed in the end cover body;

a position plate is fixedly arranged on the inner mounting plate, and a position sensor matched with the shading teeth is arranged on the position plate;

the outer mounting plate is provided with a plurality of third threaded holes, the annular fixing belt is provided with first threaded holes matched with the third threaded holes, and each group of third threaded holes and the first threaded holes are internally threaded with second screws.

Preferably, the shading disc comprises a shading plate, a thermal sleeve sleeved on the rotor is fixedly arranged on one side of the shading plate, and a plurality of shading teeth are fixedly arranged on the periphery of the other side of the shading plate.

Preferably, the light shielding plate is circular, and the light shielding teeth are arc-shaped structures.

Preferably, the position sensor is a hall sensor.

Preferably, a rubber pad is arranged between the outer mounting plate and the annular fixing belt.

Preferably, the number of the positioning rods is 2, the positioning rods are symmetrically arranged on the outer mounting plate, and the end cover body is provided with positioning holes matched with the positioning rods.

Compared with the prior art, the beneficial effects of this application are:

1. the replacement of the position plate is convenient, and the position plate can be replaced without dismantling the rear end cover.

2. The position is convenient to locate, and the installation according to the original installation position can be easily realized only by aligning the locating rod 6c and the locating hole 5 e.

3. And a position line plug is not required to be installed on the rear end cover, so that the fault point of the on-site position line is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application.

Figure 1 is a schematic diagram of the overall structure of a switched reluctance motor with a conveniently replaceable position plate according to the present application,

figure 2 is an exploded view of the internal structure of the switched reluctance motor of the present application for easy replacement of the position plate of figure 1,

figure 3 is another angular exploded view of the internal structure of the switched reluctance motor of the present application for easy replacement of the position plate of figure 2,

figure 4 is a schematic view of a switch reluctance motor shading disc structure for conveniently replacing a position plate,

FIG. 5 is a schematic view of another angle structure of the switched reluctance motor shutter disk of FIG. 4 with a convenient replacement of the position plate,

fig. 6 is a schematic diagram of the overall structure of the switch reluctance motor with a conveniently replaced position plate after the switch reluctance motor is installed with a blower.

In the figure:

1. the motor body, 2, the fan, 3, the rotor, 4, the shading disk, 5, the rear end cover, 6, the mounting plate, 4a, the thermal sleeve, 4b, the shading plate, 4c, the shading teeth, 5a, the end cover fixing end, 5b, the end cover body, 5c, the annular fixing belt, 5d, the adjusting hole, 5e, the positioning hole, 5f, the cable waterproof joint, 5g, the first threaded hole, 5h, the first screw, 5k and the second threaded hole,

6a, an outer mounting plate, 6b, an inner mounting plate, 6c, a positioning rod, 6d, a third threaded hole, 6e, a second screw,

7. a position plate 7a and a position sensor.

The specific embodiment is as follows:

the present application is further described below with reference to the drawings and examples.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present disclosure. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, are merely relational terms determined for convenience in describing structural relationships of the various components or elements of the present disclosure, and do not denote any one of the components or elements of the present disclosure, and are not to be construed as limiting the present disclosure.

Referring to fig. 1 to 3, which are preferred embodiments of a switched reluctance motor capable of conveniently replacing a position plate according to the present application, it can be seen from the figures that the switched reluctance motor capable of conveniently replacing a position plate according to the present application includes a motor body 1, a light shielding disc 4, a position plate 7 and a position plate fixing device, the motor body 1 includes a motor stator and a rotor 3, and the light shielding disc 4 is axially fixed and sleeved at the end of the rotor 3.

Referring to fig. 4 and 5, the light shielding plate 4 includes a light shielding plate 4b, a thermal sleeve 4a sleeved on the rotor 3 is fixedly arranged on one side of the light shielding plate 4b, a plurality of light shielding teeth 4c are fixedly arranged on the periphery of the other side of the light shielding plate 4b, the light shielding plate 4b is circular, and the light shielding teeth 4c are arc structures.

The position plate fixing device comprises a motor rear end cover 5, wherein the motor rear end cover 5 comprises an end cover body 5b which is internally communicated and an end cover fixing end 5a which is formed by integrating the front part and the end cover body 5b, a plurality of adjusting holes 5d are formed in the end cover fixing end 5a, a second threaded hole 5k matched with the adjusting holes 5d is formed in a motor stator, a first screw 5h is arranged in the adjusting holes 5d, and the first screw 5h is in threaded connection with the second threaded hole 5 k; an annular fixing belt 5c is fixedly arranged in the end cover body 5b, a detachable mounting plate 6 is arranged in the end cover body 5b and positioned behind the annular fixing belt 5c, and a position plate 7 is fixedly arranged in front of the mounting plate 6; the mounting plate 6 comprises an outer mounting plate 6a and an inner mounting plate 6b which are integrally formed, the inner mounting plate 6b is slidably arranged in the annular fixing band 5c, the outer mounting plate 6a is slidably arranged in the end cover body 5b, the outer mounting plate 6a is fixedly provided with a positioning rod 6c, and the end cover body 5b is provided with a positioning hole 5e matched with the positioning rod 6 c; preferably, the number of the positioning rods 6c is 2, the positioning rods are symmetrically arranged on the outer mounting plate 6a, and the end cover body 5b is provided with positioning holes 5e matched with the positioning rods; a position plate 7 is fixedly arranged on the inner mounting plate 6b, and a position sensor 7a matched with the shading teeth 4c is arranged on the position plate 7; the outer mounting plate 6a is provided with a plurality of third threaded holes 6d, the annular fixing belt 5c is provided with first threaded holes 5g matched with the third threaded holes 6d, each group of third threaded holes 6d and the first threaded holes 5g are internally connected with second screws 6e, and a rubber pad is arranged between the outer mounting plate 6a and the annular fixing belt 5 c.

The end cover body 5b is provided with a wire inlet hole, a cable waterproof joint 5f is fixedly arranged in the wire inlet hole, and a signal wire of the position plate 7 is led out through the cable waterproof joint 5 f.

In this embodiment, the position sensor 7a is a hall sensor, and when the hall sensor is used as the position sensor 7a, the material of the light shielding teeth 4c contains a hall element material.

In some embodiments, a fan 2 is fixedly installed at the bottom of the motor body 1, and a schematic diagram of an overall structure of the switch reluctance motor with a conveniently replaced position plate after the fan 2 is installed at the bottom of the switch reluctance motor is shown in fig. 6.

Working principle:

when the position plate needs to be replaced, the motor rear end cover 5 does not need to be removed, and only the second screw 6e needs to be loosened, so that the second screw 6e is separated from the first threaded hole 5g, then the second screw 6e is hung on the outer mounting plate 6a, and the outer mounting plate 6a can be removed by manually pulling the second screw 6 e;

slowly moving out in the process of moving out the outer mounting plate 6a, paying attention to wiring at the joint of the position plate 7, separating the wiring at the joint of the position plate 7, then removing the outer mounting plate 6a, and replacing the original position plate 7 with a new position plate;

then, the original position wire plug is inserted on the new position plate 7, the outer mounting plate 6a is aligned with the positioning hole 5e according to the original position, the outer mounting plate 6a is restored to the original position, and the second screw 6e is screwed down to realize the replacement of the position plate.

Because the switch reluctance motor with the position plate convenient to replace does not need to dismantle the rear end cover 5, the cable waterproof connector 5f does not need to be designed into a plug-in connector, the position wire connected with the position plate 7 does not need to be designed at the position, and the position wire is directly connected with the position plate 7 through the cable waterproof connector 5f, so that the problem that the connector is easy to contact with the position plate 7 in the prior art due to vibration of the field switch reluctance motor is also reduced.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

While the foregoing description of the embodiments of the present application has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the application, but rather, it is intended to cover all modifications or variations which may be resorted to without undue burden to those skilled in the art, having the benefit of the present application.

Claims

1. The utility model provides a switch reluctance motor of convenient change position board, includes motor body (1), shading dish (4), position board (7) and position board fixing device, its characterized in that:

the position plate fixing device comprises a motor rear end cover (5), the motor rear end cover (5) comprises an end cover body (5 b) which is internally communicated and an end cover fixing end (5 a) which is formed by integrally forming the front part and the end cover body (5 b), a plurality of adjusting holes (5 d) are formed in the end cover fixing end (5 a), a second threaded hole (5 k) which is matched with the adjusting holes (5 d) is formed in a motor stator, a first screw (5 h) is arranged in the adjusting holes (5 d), and the first screw (5 h) is in threaded connection with the second threaded hole (5 k);

an annular fixing belt (5 c) is fixedly arranged in the end cover body (5 b), a detachable mounting plate (6) is arranged in the end cover body (5 b) and positioned behind the annular fixing belt (5 c), and a position plate (7) is fixedly arranged in front of the mounting plate (6);

the end cover is characterized in that a wire inlet hole is formed in the end cover body (5 b), a cable waterproof connector (5 f) is fixedly installed in the wire inlet hole, and a signal wire of the position plate (7) is led out through the cable waterproof connector (5 f).

2. A switched reluctance motor for facilitating replacement of a position plate as claimed in claim 1, wherein:

the motor body (1) comprises a motor stator and a rotor (3), and the shading disc (4) is axially and fixedly sleeved at the tail end of the rotor (3).

3. A switched reluctance motor for facilitating replacement of a position plate as claimed in claim 1, wherein:

the mounting plate (6) comprises an outer mounting plate (6 a) and an inner mounting plate (6 b) which are integrally formed, the inner mounting plate (6 b) is slidably arranged in the annular fixing belt (5 c), the outer mounting plate (6 a) is slidably arranged in the end cover body (5 b), the outer mounting plate (6 a) is fixedly provided with a positioning rod (6 c), and the end cover body (5 b) is provided with a positioning hole (5 e) matched with the positioning rod (6 c);

the inner mounting plate (6 b) is fixedly provided with a position plate (7), and the position plate (7) is provided with a position sensor (7 a) matched with the shading teeth (4 c);

the outer mounting plate (6 a) is provided with a plurality of third threaded holes (6 d), the annular fixing belt (5 c) is provided with first threaded holes (5 g) matched with the third threaded holes (6 d), and each group of third threaded holes (6 d) and the first threaded holes (5 g) are internally connected with second screws (6 e).

4. A switched reluctance motor for facilitating replacement of a position plate according to claim 1 or 2, wherein:

the shading disc (4) comprises a shading plate (4 b), a thermal sleeve (4 a) sleeved on the rotor (3) is fixedly arranged on one side of the shading plate (4 b), and a plurality of shading teeth (4 c) are fixedly arranged on the periphery of the other side of the shading plate (4 b).

5. A switched reluctance motor for facilitating replacement of a position plate as claimed in claim 4, wherein:

the light shielding plate (4 b) is circular, and the light shielding teeth (4 c) are arc-shaped structures.

6. A switched reluctance motor for facilitating replacement of a position plate as claimed in claim 3, wherein:

the position sensor (7 a) is a Hall sensor.

7. A switched reluctance motor for facilitating replacement of a position plate as claimed in claim 3, wherein:

a rubber pad is arranged between the outer mounting plate (6 a) and the annular fixing belt (5 c).

8. A switched reluctance motor for facilitating replacement of a position plate as claimed in claim 3, wherein:

the number of the positioning rods (6 c) is 2, the positioning rods are symmetrically arranged on the outer mounting plate (6 a), and the end cover body (5 b) is provided with positioning holes (5 e) matched with the positioning rods.