CN215582025U

CN215582025U - Active disturbance rejection controller for alternating current motor

Info

Publication number: CN215582025U
Application number: CN202121086081.3U
Authority: CN
Inventors: 杨钰
Original assignee: Hunan University of Science and Engineering
Current assignee: Hunan University of Science and Engineering
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-01-18
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses an active disturbance rejection controller for an alternating current motor, which comprises an outer protective shell, wherein the right side of the outer protective shell is in an open shape, a mounting plate is fixedly connected to the inner bottom wall of the outer protective shell, a circuit board body is lapped on the upper surface of the mounting plate, a connecting terminal is fixedly connected to the upper surface of the circuit board body, a data wire is fixedly connected to the side surface of the connecting terminal, a spring is fixedly connected to the inner top wall of the outer protective shell, a downward pressing positioning plate is fixedly connected to the bottom end of the spring, a plugging cover plate is fixedly connected to the right side of the outer protective shell, and a mounting groove is formed in the side surface of the plugging cover plate. This an auto-disturbance-rejection controller for alternating current motor, under spring and sealed frame effect, circuit board body is pressed from both sides tightly by mounting panel and push down the locating plate, and push down locating plate and mounting panel symmetry set up, and the atress is even, has increased area of contact simultaneously, makes circuit board body fixed more stable and reliable to the effect of protection internal component is realized.

Description

Active disturbance rejection controller for alternating current motor

Technical Field

The utility model relates to the technical field of controllers, in particular to an active disturbance rejection controller for an alternating current motor.

Background

The active disturbance rejection controller is a master device for controlling the starting, speed regulation, braking and reversal of the motor by changing the wiring of a main circuit or a control circuit and changing the resistance value in the circuit according to a preset sequence.

In order to facilitate production and assembly, one side of an internal circuit board of the existing active disturbance rejection controller for the alternating current motor is mainly fixedly connected with a side sealing plate, the other side of the internal circuit board is suspended, vibration is generated in the transportation or installation process, and the controller is easy to damage due to uneven stress.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an active disturbance rejection controller for an ac motor to solve the above-mentioned problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an auto-disturbance-rejection controller for alternating current motor, including outer protective housing, outer protective housing's right side is the opening form, outer protective housing's interior diapire fixed connection spare has the mounting panel, the upper surface overlap joint of mounting panel has the circuit board body, the last fixed surface of circuit board body is connected with connecting terminal, connecting terminal's side fixedly connected with data line, outer protective housing's interior roof fixedly connected with spring, the bottom fixedly connected with of spring pushes down the locating plate, outer protective housing's right side fixedly connected with shutoff apron, the mounting groove has been seted up to the side of shutoff apron, the locating plate under the interior diapire fixedly connected with of mounting groove, the interior roof sliding connection of mounting groove has last spacing plate, the side of shutoff apron is provided with the seal frame.

Preferably, the number of the data lines is a plurality of, and the data lines are arranged on the side surface of the connecting terminal in a straight line shape at equal intervals.

Preferably, the number of the pressing positioning plates is two, and the lower surfaces of the two pressing positioning plates are tightly attached to the upper surface of the circuit board body.

Preferably, the number of the springs is four, every two springs are in one group, and the two groups of springs are respectively arranged on the upper surfaces of the two lower pressure positioning plates.

Preferably, the opposite surfaces of the lower limiting plate and the upper limiting plate are provided with clamping grooves matched with the surfaces of the data lines, and the side surface of the sealing frame is tightly attached to the side surface of the circuit board body.

Preferably, the upper surface of the plugging cover plate is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with an assembly screw, and the threaded end of the assembly screw is in lap joint with the upper surface of the upper limiting plate.

Advantageous effects

The utility model provides an active disturbance rejection controller for an alternating current motor, which has the following beneficial effects:

1. this an auto-disturbance-rejection controller for alternating current motor, under spring and sealed frame effect, circuit board body is pressed from both sides tightly by mounting panel and push down the locating plate, and push down locating plate and mounting panel symmetry set up, and the atress is even, has increased area of contact simultaneously, makes circuit board body fixed more stable and reliable to the effect of protection internal component is realized.

2. This an auto-disturbance-rejection controller for alternating current motor, data line are a style of calligraphy and arrange out, and inspection and wiring are more convenient, and utilize lower limiting plate and last limiting plate to press from both sides the data line tightly, effectively prevent that the data line from taking place because of being dragged the phenomenon that drops to realize the effect of anticreep line.

Drawings

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

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is a schematic sectional view of the plugging cover plate.

In the figure: the structure comprises an outer protective shell 1, a mounting plate 2, a circuit board body 3, a connecting terminal 4, a data line 5, a spring 6, a downward pressing positioning plate 7, a blocking cover plate 8, a lower limiting plate 9, an upper limiting plate 10, a sealing frame 11 and an assembly screw 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an active disturbance rejection controller for alternating current motor, including outer protective housing 1, the right side of outer protective housing 1 is the opening form, outer protective housing 1's interior diapire fixed connection spare has mounting panel 2, mounting panel 2's upper surface overlap joint has circuit board body 3, circuit board body 3's last fixed surface is connected with connecting terminal 4, connecting terminal 4's side fixedly connected with data line 5, the quantity of data line 5 is a plurality of, and a plurality of data lines 5 are a style of calligraphy equidistance and set up the side at connecting terminal 4.

Outer protective housing 1's interior roof fixedly connected with spring 6, spring 6's bottom fixedly connected with pushes down locating plate 7, the quantity that pushes down locating plate 7 is two, two lower surfaces that push down locating plate 7 all hug closely with circuit board body 3's upper surface, the quantity of spring 6 is four, per two springs 6 are a set of, and two sets of springs 6 set up respectively at two upper surfaces that push down locating plate 7, outer protective housing 1's right side fixedly connected with shutoff apron 8, the side of shutoff apron 8 is provided with sealed frame 11, the side of sealed frame 11 is hugged closely with circuit board body 3's side.

Through setting up mounting panel 2, spring 6, push down locating plate 7, shutoff apron 8 and sealed frame 11, under spring 6 and sealed frame 11 effect, circuit board body 3 is pressed from both sides tightly by mounting panel 2 and push down locating plate 7, and push down locating plate 7 and the symmetrical setting of mounting panel 2, and the atress is even, has increased area of contact simultaneously, makes circuit board body 3 fixed more stable and reliable to the effect of protection internal component is realized.

The mounting groove has been seted up to the side of shutoff apron 8, bottom wall fixedly connected with lower limiting plate 9 of mounting groove, the interior roof sliding connection of mounting groove has last limiting plate 10, the opposite face of lower limiting plate 9 and last limiting plate 10 all seted up with the surperficial assorted joint groove of data line 5, the upper surface of shutoff apron 8 has a screw hole, the inner wall threaded connection of screw hole has assembly screw 12, assembly screw 12's the screw end and the last surface overlap joint of last limiting plate 10.

Through setting up connecting terminal 4, data line 5, lower limiting plate 9, last limiting plate 10 and assembly screw 12, data line 5 is a style of calligraphy and arranges out, and inspection and line comparison are convenient, and lower limiting plate 9 presss from both sides data line 5 with last limiting plate 10 tightly, prevents that data line 5 from droing because of being dragged to realize the effect of anticreep line.

The working principle is as follows: when the active disturbance rejection controller for the alternating current motor is used, the circuit board body 3 is inserted into the outer protective shell 1 along the upper surface of the mounting plate 2, the positioning plate 7 is pressed down to compress the circuit board body 3 under the action of the spring 6, the sealing frame 11 is sleeved around the data lines 5 and sequentially arranges the data lines 5 on the lower limiting plate 9, the plugging cover plate 8 is fixedly connected with the outer protective shell 1, at the moment, the sealing frame 11 tightly pushes the circuit board body 3, the assembling screw 12 is rotated, the upper limiting plate 10 moves down along with the assembling screw 12 and clamps the data lines 5 together with the lower limiting plate 9, the design ensures that the circuit board body 3 is fixed more stably and reliably while the assembling is convenient, and the data lines 5 are not easy to fall off, so that the controller has the functions of line drop prevention and firmness in fixation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. An active disturbance rejection controller for an alternating current motor, comprising an outer protective casing (1), characterized in that: the right side of outer protective housing (1) is the opening form, the interior diapire fixed connection spare of outer protective housing (1) has mounting panel (2), the upper surface overlap joint of mounting panel (2) has circuit board body (3), the last fixed surface of circuit board body (3) is connected with connecting terminal (4), the side fixedly connected with data line (5) of connecting terminal (4), interior roof fixedly connected with spring (6) of outer protective housing (1), the bottom fixedly connected with of spring (6) pushes down locating plate (7), the right side fixedly connected with shutoff apron (8) of outer protective housing (1), the mounting groove has been seted up to the side of shutoff apron (8), locating plate (9) under the interior diapire fixedly connected with of mounting groove, the interior roof sliding connection of mounting groove has last limiting plate (10), the side of shutoff apron (8) is provided with seal frame (11).

2. An active-disturbance-rejection controller for an alternating current motor according to claim 1, wherein: the quantity of data line (5) is a plurality of, and a plurality of data line (5) are the equidistance setting of style of calligraphy in the side of connecting terminal (4).

3. An active-disturbance-rejection controller for an alternating current motor according to claim 1, wherein: the number of the lower pressing positioning plates (7) is two, and the lower surfaces of the two lower pressing positioning plates (7) are tightly attached to the upper surface of the circuit board body (3).

4. An active-disturbance-rejection controller for an alternating current motor according to claim 1, wherein: the number of the springs (6) is four, every two springs (6) form a group, and the two groups of springs (6) are respectively arranged on the upper surfaces of the two pressing positioning plates (7).

5. An active-disturbance-rejection controller for an alternating current motor according to claim 1, wherein: the opposite surfaces of the lower limiting plate (9) and the upper limiting plate (10) are provided with clamping grooves matched with the surfaces of the data lines (5), and the side surface of the sealing frame (11) is tightly attached to the side surface of the circuit board body (3).

6. An active-disturbance-rejection controller for an alternating current motor according to claim 1, wherein: the upper surface of the blocking cover plate (8) is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with an assembling screw (12), and the threaded end of the assembling screw (12) is in lap joint with the upper surface of the upper limiting plate (10).