CN211018561U

CN211018561U - Direct current motor with automatic correction system

Info

Publication number: CN211018561U
Application number: CN201921881811.1U
Authority: CN
Inventors: 黄炳锋; 任映平
Original assignee: Shenzhen Zhongping Electromechanical Co ltd
Current assignee: Shenzhen Zhongping Electromechanical Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-07-14
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a direct current motor with an automatic correction system, which belongs to the technical field of motors and comprises a motor shell, a front end cover, a rotor and a control component, wherein the right side end of the motor shell is fixedly provided with a rear end cover through a bolt, the inner wall of the motor shell is fixedly clamped with a stator, the left side end of the motor shell is fixedly provided with the front end cover, the middle part of the inner wall of the front end cover is clamped with a first bearing, the right side of the inner wall of the motor shell is fixedly provided with a connecting frame, the middle part of the connecting frame is clamped with a second bearing, the middle parts of the second bearing and the first bearing are inserted with a rotating shaft, the right side end of the rotating shaft is fixedly provided with the rotor, the front side wall of the motor shell is fixedly provided with the control component, the control component comprises a magnetic sensor, a controller and a model estimator, the comprehensive effect of the speed regulation performance of the direct current motor is exerted.

Description

Direct current motor with automatic correction system

Technical Field

The utility model relates to the technical field of electric machines, specifically be direct current motor with automatic correction system.

Background

The dc motor is a rotating electrical machine that can convert dc electrical energy into mechanical energy (dc motor) or convert mechanical energy into dc electrical energy (dc generator). The motor can realize the mutual conversion of direct current electric energy and mechanical energy. When the motor is used as a motor, the motor is a direct current motor and converts electric energy into mechanical energy; when the generator is operated, the generator is a direct current generator and converts mechanical energy into electric energy.

When the working condition of the direct current motor in the prior art changes and causes the parameter change of a system model, a fixed and unchangeable correction link can not adapt to the change and can not keep good control performance, so that the direct current motor with an automatic correction system needs to be researched and developed.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the problems existing in the prior art, the utility model discloses.

Therefore, the utility model aims at providing a DC motor with automatic correction system can realize complicated operating mode and operational environment's DC motor controller, performance DC motor's speed governing performance.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

the direct current motor with the automatic correction system comprises a motor shell, a front end cover, a rotor and a control assembly, wherein a rear end cover is fixedly installed at the right side end of the motor shell through a bolt, a stator is fixedly clamped on the inner wall of the motor shell, the front end cover is fixedly installed at the left side end of the motor shell, a first bearing is clamped in the middle of the inner wall of the front end cover, a connecting frame is fixedly installed at the right side of the inner wall of the motor shell, a second bearing is clamped in the middle of the connecting frame, a rotating shaft is inserted in the middle of the second bearing and the first bearing, the rotor is fixedly installed at the right side end of the rotating shaft, the control assembly is fixedly installed on the front side wall of the motor shell and comprises a sensor magnetic sensor, a controller and a model estimator, the magnetic sensor is electrically output and connected with the controller, the controller is electrically connected with the stator and the rotor in an output mode, and the magnetic sensor is installed on the stator.

As the utility model discloses a DC motor's preferred scheme with automatic correction system, wherein: the motor shell is characterized in that a base is integrally formed at the bottom of the motor shell, and mounting screw holes are formed in four corners of the base.

As the utility model discloses a DC motor's preferred scheme with automatic correction system, wherein: and a bearing cover plate is fixedly installed on the left side wall of the front end cover through bolts.

As the utility model discloses a DC motor's preferred scheme with automatic correction system, wherein: the model estimator adopts recursive least square algorithm control of exponential forgetting factors.

As the utility model discloses a DC motor's preferred scheme with automatic correction system, wherein: the rear end cover is uniformly provided with heat dissipation holes.

As the utility model discloses a DC motor's preferred scheme with automatic correction system, wherein: and the right side end of the rotating shaft is fixedly provided with a radiating blade, and the radiating blade is positioned between the connecting frame and the rear end cover.

Compared with the prior art, the beneficial effects of the utility model are that: the magnetic sensor is used for sensing the running of the motor, the rotation speed of the motor is controlled through self-correction through the matching of the model estimator and the controller, the adjusting and tracking capabilities are realized, and the direct-current motor controller with complex working conditions and running environments is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is a block diagram of the present invention.

In the figure: 100 motor shell, 110 rear end cover, 120 stator, 130 base, 200 front end cover, 210 first bearing, 220 bearing cover plate, 300 rotor, 310 rotating shaft, 320 connecting frame, 330 second bearing, 400 control assembly, 410 magnetic sensor, 420 controller, 430 model estimator.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a following technical scheme: in the use process of the direct current motor with the automatic correction system, a direct current motor controller with complex working conditions and running environments is realized, and the speed regulation performance of the direct current motor is exerted, referring to fig. 1, the direct current motor comprises a motor shell 100, a front end cover 200, a rotor 300 and a control assembly 400;

referring to fig. 1 again, the motor housing 100 has a rear end cover 110 and a stator 120, specifically, the rear end cover 110 is fixedly installed at the right side end of the motor housing 100 through a bolt, the stator 120 is fixedly clamped on the inner wall of the motor housing 100, a base 130 is integrally formed at the bottom of the motor housing 100, mounting screw holes are formed at four corners of the base 130, heat dissipation holes are uniformly formed in the rear end cover 110, and the motor housing 100 is used for fixedly installing a front end cover 200 and a control assembly 400;

referring to fig. 1 to 3, the front end cap 200 has a first bearing 210 and a bearing cover plate 220, the front end cap 200 is mounted on a left side wall of the motor housing 100, specifically, the front end cap 200 is fixedly mounted on a left side of the motor housing 100, a middle portion of an inner wall of the front end cap 200 is clamped to the first bearing 210, the bearing cover plate 220 is fixedly mounted on a left side wall of the front end cap 200 through a bolt, and the front end cap 200 is used for mounting the rotor 300;

referring to fig. 1 again, the rotor 300 has a rotating shaft 310, a connecting frame 320 and a second bearing 330, the rotor 300 is installed on the inner wall of the motor housing 100, specifically, the connecting frame 320 is fixedly installed on the right side of the inner wall of the motor housing 100, the second bearing 330 is fastened in the middle of the connecting frame 320, the rotating shaft 310 is inserted in the middle of the second bearing 330 and the first bearing 210, the rotor 300 is fixedly installed at the right side end of the rotating shaft 310, a heat dissipating blade is fixedly installed at the right side end of the rotating shaft 310, and the heat dissipating blade is located between the connecting frame 320 and the rear end cover 110;

referring to fig. 2 to 4, the control assembly 400 includes a magnetic sensor 410, a controller 420 and a model estimator 430, the control assembly 400 is disposed on a front sidewall of the motor housing 100, specifically, the control assembly 400 is fixedly mounted on the front sidewall of the motor housing 100, the magnetic sensor 410 is electrically connected to the controller 420, the controller 420 is electrically connected to the model estimator 430 in two directions, the controller 420 is electrically connected to the stator 120 and the rotor 300, the magnetic sensor 410 is mounted on the stator 120, and the model estimator 430 adopts a recursive least square algorithm control with an exponential forgetting factor;

in specific use, as required the utility model discloses at first utilize magnetic sensor 410 perception motor's operation at the in-process of using, realize the rotational speed of self-correcting control motor through the cooperation of model estimator 430 with controller 420, realize regulation and traceability.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. Direct current motor with automatic correction system, its characterized in that: the motor comprises a motor shell (100), a front end cover (200), a rotor (300) and a control assembly (400), wherein a rear end cover (110) is fixedly arranged at the right side end of the motor shell (100) through a bolt, a stator (120) is fixedly clamped on the inner wall of the motor shell (100), the front end cover (200) is fixedly arranged at the left side end of the motor shell (100), a first bearing (210) is clamped at the middle part of the inner wall of the front end cover (200), a connecting frame (320) is fixedly arranged at the right side of the inner wall of the motor shell (100), a second bearing (330) is clamped at the middle part of the connecting frame (320), a rotating shaft (310) is inserted into the middle part of the first bearing (210), the rotor (300) is fixedly arranged at the right side end of the rotating shaft (310), and the control assembly (400) is fixedly arranged on the front side, the control assembly (400) comprises a magnetic sensor (410), a controller (420) and a model estimator (430), wherein the magnetic sensor (410) is electrically connected with the controller (420), the controller (420) is electrically connected with the model estimator (430) in a two-way mode, the controller (420) is electrically connected with the stator (120) and the rotor (300) in an output mode, and the magnetic sensor (410) is installed on the stator (120).

2. The dc motor with automatic correction system of claim 1, wherein: the motor shell is characterized in that a base (130) is integrally formed at the bottom of the motor shell (100), and mounting screw holes are formed in four corners of the base (130).

3. The dc motor with automatic correction system of claim 1, wherein: and a bearing cover plate (220) is fixedly arranged on the left side wall of the front end cover (200) through bolts.

4. The dc motor with automatic correction system of claim 1, wherein: the model estimator (430) adopts recursive least square algorithm control of exponential forgetting factor.

5. The dc motor with automatic correction system of claim 1, wherein: the rear end cover (110) is uniformly provided with heat dissipation holes.

6. The dc motor with automatic correction system of claim 1, wherein: the right side end of pivot (310) is fixed mounting has radiator vane, radiator vane is located link (320) with between rear end cap (110).