CN219017125U

CN219017125U - Reactive stepping motor teaching model

Info

Publication number: CN219017125U
Application number: CN202223293214.1U
Authority: CN
Inventors: 嵇明军; 赵宇培; 嵇亦硕; 吉娇; 汪思含
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-05-12
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a reactive stepping motor teaching model, which relates to the technical field of stepping motor teaching and comprises a placing frame, wherein a stator structure is arranged at the top end of the placing frame, a rotor structure is arranged in the middle of the stator structure, and the top end of the rotor structure penetrates through the placing frame and is in rotary connection with the placing frame. The utility model has reasonable design structure, when teaching is performed, the magnetic flux passes through the second silicon steel to form a closed loop after the coil is electrified, if the axis of the magnetic field is at a certain angle with the second silicon steel, the second silicon steel is magnetized under the action of the magnetic field, the second silicon steel is attracted, the position of the second silicon steel is stricken to minimize the magnetic resistance of the magnetic circuit of the second silicon steel, and the teeth of the second silicon steel and the coil are aligned, so that the work of the reactive stepping motor can be simulated, and the mounting plate, the base and the placing plate are all made of transparent acrylic plates, so that students can more intuitively see the specific working process of the stator structure and the rotor structure when the working principle of the reactive stepping motor is demonstrated.

Description

Reactive stepping motor teaching model

Technical Field

The utility model relates to the technical field of stepper motor teaching, in particular to a reactive stepper motor teaching model.

Background

A stepper motor, also called a pulse motor, is a control motor that converts a pulse signal into a mechanical angular displacement or a linear displacement. Each time the stepper motor receives a pulse, the rotor rotates through a corresponding angle (step angle). The angular displacement and rotation speed of the rotor are proportional to the number of input pulses and their frequency, the direction of rotation is related to the phase sequence of the winding power, and the stepper motors are classified into reactive stepper motors, permanent magnet stepper motors and hybrid stepper motors.

At some universities teaching class can relate to reactive stepper motor relevant course, mr need explain reactive stepper motor's theory of operation to students, but simple through explaining can lead to students to the receipt degree of knowledge not good, and some lecturer can explain through dismantling reactive stepper motor in order to let students know reactive stepper motor more closely, but because reactive stepper motor inner structure is complicated, students also can not more the more visual theory of operation to reactive stepper motor learn and know. For this reason, we provide a reactive stepper motor teaching model to solve the above problems.

Disclosure of Invention

First) solving the technical problems

The utility model aims to make up the defects of the prior art and provides a reactive stepping motor teaching model.

Two) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the reactive stepping motor teaching model comprises a placing frame, wherein a stator structure is arranged at the top end of the placing frame, a rotor structure is arranged in the middle of the stator structure, and the top end of the rotor structure penetrates through the placing frame and is rotationally connected with the placing frame.

Further, the rack comprises a base, a stand column is fixedly arranged on one side of the top end of the base, a cushion block is arranged at the top of the stand column, and a cross beam is sleeved on the top end of the stand column, which is located on the cushion block.

Further, a fixed screw sleeve for fixing the position of the cross beam is connected to the top end of the upright post in a threaded manner, and a limit sleeve is arranged on one side, far away from the fixed screw sleeve, of the top end of the cross beam.

Further, the stator structure comprises two annular mounting plates, the two mounting plates are distributed along the vertical direction respectively, and a group of jacks are formed in the top ends of the two mounting plates along the circumferential direction at equal intervals.

Further, two of the jacks positioned on the same axis are internally inserted with the same fixing screw, the two mounting plates are respectively fixedly connected with the fixing screw through fixing nuts arranged outside the fixing screw, and the bottom end of the fixing screw is in threaded connection with a placing plate.

Further, a group of limiting plates are arranged on the inner side of the mounting plate at equal intervals along the circumferential direction, six limiting plates are arranged, and the same coil is sleeved outside the two limiting plates in the same vertical direction.

Furthermore, the clamping grooves are formed in the front face of the limiting plate, the two clamping grooves are connected with a first silicon steel formed by stacking silicon steel sheets in a clamping mode, and two ends of the first silicon steel are respectively abutted to the coil.

Further, the rotor structure comprises a rotating shaft, a second silicon steel sheet formed by stacking multiple layers of silicon steel sheets is arranged at the bottom of the rotating shaft, the second silicon steel sheet is located at the inner side of the coil, and four teeth are arranged at the outer side of the silicon steel sheet.

Further, the top of pivot passes the crossbeam and arranges in the stop collar, the bottom cover of pivot is equipped with the sleeve, the sleeve is fixed to be set up on the top of placing the board.

Third), beneficial effects:

compared with the prior art, the reactive stepping motor teaching model has the following beneficial effects:

1. the utility model relates to a stator of a reaction type stepping motor, a rotor structure corresponds to a rotor of the reaction type stepping motor, when teaching is performed, magnetic flux passes through silicon steel II to form a closed loop after the coil is electrified, if a certain angle exists between the axis of a magnetic field and the silicon steel II, the silicon steel II is magnetized under the action of the magnetic field to attract the silicon steel II, so that the position of the silicon steel II tries to minimize the magnetic resistance of a magnetic circuit of the silicon steel II, the teeth of the silicon steel II and the coil are aligned, thus the reaction type stepping motor can be simulated, and make mounting panel, base and place the board by transparent acrylic board, through peripheral circuit control, make 6 coils circular telegram in turn, can be according to three-phase list three claps, two three claps, single six claps operation to make the rotor step by step motion, when carrying out reaction formula step motor theory of operation demonstration like this, students can more audio-visual see stator structure and rotor structure's specific course of working, can make the student learn the theory of operation of reaction formula step motor more easily.

2. According to the utility model, the cross beam is sleeved outside the upright post, the function of supporting and cushioning the cross beam is realized through the cushion blocks, then the position of the cross beam can be fixed through the matched threaded connection of the fixing threaded sleeve and the upright post, meanwhile, the cross beam is convenient to detach after the experiment is finished, and the rotor structure is convenient to move out of the stator structure.

Drawings

FIG. 1 is a schematic view of the front structure of a rack according to the present utility model;

FIG. 2 is a schematic diagram of the front structure of the stator structure of the present utility model;

FIG. 3 is a top view of the mounting plate of the present utility model;

FIG. 4 is a front view of a coil and limiting plate connection according to the present utility model;

FIG. 5 is a schematic diagram of the front structure of the rotor structure of the present utility model;

FIG. 6 is a top view showing the connection between the second silicon steel and the rotating shaft.

In the figure: 1. a placing rack; 101. a base; 102. a column; 103. a cushion block; 104. a cross beam; 105. fixing the screw sleeve; 106. a limit sleeve; 2. a stator structure; 201. a mounting plate; 202. a jack; 203. a fixed screw; 204. a fixing nut; 205. placing a plate; 206. a limiting plate; 207. a coil; 208. a clamping groove; 209. silicon steel I; 3. a rotor structure; 301. a rotating shaft; 302. silicon steel II; 303. a sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-6, the present utility model provides a technical solution: the utility model provides a reaction type stepping motor teaching model, includes rack 1, and the top of rack 1 is provided with stator structure 2, and stator structure 2's middle part is provided with rotor structure 3, and rotor structure 3's top passes rack 1 and rotates with rack 1 to be connected.

The rack 1 comprises a base 101, wherein a stand column 102 is fixedly arranged on one side of the top end of the base 101, a cushion block 103 is arranged at the top of the stand column 102, and a cross beam 104 is sleeved on the outer part of the stand column 102 and positioned at the top end of the cushion block 103; the top end of the upright post 102, which is positioned on the cross beam 104, is in threaded connection with a fixed screw sleeve 105 for fixing the position of the cross beam 104, and one side, which is far away from the fixed screw sleeve 105, of the top end of the cross beam 104 is provided with a limiting sleeve 106.

The beam 104 is sleeved outside the upright post 102, the beam 104 can be supported and cushioned through the cushion block 103, then the position of the beam 104 can be fixed through the matched threaded connection of the fixing threaded sleeve 105 and the upright post 102, meanwhile, the beam 104 is convenient to detach after the experiment is completed, and the rotor structure 3 is convenient to move out of the stator structure 2.

The stator structure 2 comprises two annular mounting plates 201, wherein the two mounting plates 201 are respectively distributed along the vertical direction, and a group of jacks 202 are formed in the top ends of the two mounting plates 201 at equal intervals along the circumferential direction; the same fixing screw 203 is inserted into the two insertion holes 202 positioned on the same axis, the two mounting plates 201 are fixedly connected with the fixing screw 203 through fixing nuts 204 arranged outside the fixing screw 203, and the bottom end of the fixing screw 203 is in threaded connection with a placing plate 205.

The fixing screw 203 is engaged with the fixing nut 204, so that the two mounting plates 201 can be fixed, and the stator structure 2 can be stably placed on the base 101 by the placement plate 205.

A group of limiting plates 206 are equidistantly arranged on the inner side of the mounting plate 201 along the circumferential direction, the number of the limiting plates 206 is six, and the same coil 207 is sleeved outside the two limiting plates 206 positioned in the same vertical direction; the clamping grooves 208 are formed in the front face of the limiting plate 206, and silicon steel I209 formed by stacking silicon steel sheets is connected in the two clamping grooves 208 in a clamping mode, and two ends of the silicon steel I209 are respectively abutted to the coil 207.

Through cutting ferrule at the outside of two limiting plates 206 with coil 207, can conveniently dismantle and install coil 207, through the first 209 of silicon steel that is equipped with, can play spacing effect that blocks to coil 207, simultaneously through the silicon steel sheet that stacks different quantity, can play the effect of reinforcing magnetic induction intensity to coil 207, also conveniently dismantle silicon steel 209 simultaneously.

The rotor structure 3 comprises a rotating shaft 301, a second silicon steel 302 formed by stacking multiple layers of silicon steel sheets is arranged at the bottom of the rotating shaft 301, the second silicon steel 302 is positioned at the inner side of the coil 207, and four teeth are arranged at the outer side of the second silicon steel 302; the top of the rotating shaft 301 passes through the cross beam 104 and is arranged in the limit sleeve 106, a sleeve 303 is sleeved at the bottom of the rotating shaft 301, and the sleeve 303 is fixedly arranged at the top of the placing plate 205.

The bottom and the bottom of the rotating shaft 301 can be limited through the limiting sleeve 106 and the sleeve 303, so that the rotating shaft 301 can be in a vertical state, and the rotation of the rotating shaft 301 cannot be influenced.

Working principle: through the stator of the corresponding reaction type stepping motor of stator structure 2, the rotor structure 3 corresponds reaction type stepping motor's rotor, when teaching, the circular flux forms closed loop through second silicon steel 302 after the circular flux is circular telegram, if there is certain angle in magnetic field axis and second silicon steel 302, then under the magnetic field effect, second silicon steel 302 is magnetized, attract second silicon steel 302, make second silicon steel 302's position try to make its magnetic resistance of magnetic circuit minimum, make second silicon steel 302 align with the tooth of coil 207, can be used for simulating reaction type stepping motor's work like this, and through making mounting panel 201, base 101 and placement plate 205 all make transparent acrylic plate, when carrying out reaction type stepping motor theory of operation demonstration, the specific course of operation of stator structure 2 and rotor structure 3 can be seen more intuitively by students like this, can make the student learn understanding reaction type stepping motor's theory of operation more easily.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Reactive stepper motor teaching model, including rack (1), its characterized in that: the top of rack (1) is provided with stator structure (2), the middle part of stator structure (2) is provided with rotor structure (3), the top of rotor structure (3) passes rack (1) and rotates with rack (1) to be connected.

2. The reactive stepper motor teaching model of claim 1, wherein: the rack (1) comprises a base (101), one side of the top end of the base (101) is fixedly provided with a stand column (102), the top of the stand column (102) is provided with a cushion block (103), and the top end of the outside of the stand column (102) located in the cushion block (103) is sleeved with a cross beam (104).

3. The reactive stepper motor teaching model of claim 2, wherein: the vertical column (102) is provided with a fixed screw sleeve (105) which is positioned at the top end of the cross beam (104) and is in threaded connection with the position of the cross beam (104), and one side, far away from the fixed screw sleeve (105), of the top end of the cross beam (104) is provided with a limiting sleeve (106).

4. A reactive stepper motor teaching model according to claim 3, characterized in that: the stator structure (2) comprises two annular mounting plates (201), wherein the two mounting plates (201) are distributed along the vertical direction respectively, and a group of jacks (202) are formed in the top ends of the two mounting plates (201) along the circumferential direction at equal intervals.

5. The reactive stepper motor teaching model of claim 4, wherein: the two jacks (202) positioned on the same axis are internally inserted with the same fixing screw (203), the two mounting plates (201) are fixedly connected with the fixing screw (203) through fixing nuts (204) arranged outside the fixing screw (203), and the bottom ends of the fixing screws (203) are in threaded connection with a placing plate (205).

6. The reactive stepper motor teaching model of claim 5, wherein: a group of limiting plates (206) are arranged on the inner side of the mounting plate (201) at equal intervals along the circumferential direction, six limiting plates (206) are arranged, and the same coil (207) is sleeved outside the two limiting plates (206) in the same vertical direction.

7. The reactive stepper motor teaching model of claim 6, wherein: clamping grooves (208) are formed in the front face of the limiting plate (206), silicon steel I (209) formed by stacking silicon steel sheets is connected in the clamping grooves (208) in a clamping mode, and two ends of the silicon steel I (209) are respectively abutted to the coil (207).

8. The reactive stepper motor teaching model of claim 7, wherein: the rotor structure (3) comprises a rotating shaft (301), a second silicon steel (302) formed by stacking multiple layers of silicon steel sheets is arranged at the bottom of the rotating shaft (301), the second silicon steel (302) is located at the inner side of the coil (207), and four teeth are arranged at the outer side of the second silicon steel (302).

9. The reactive stepper motor teaching model of claim 8, wherein: the top of the rotating shaft (301) passes through the cross beam (104) and is arranged in the limit sleeve (106), a sleeve (303) is sleeved at the bottom of the rotating shaft (301), and the sleeve (303) is fixedly arranged at the top of the placing plate (205).