CN213461318U

CN213461318U - Novel motor applying closed-loop vector variable-frequency speed regulation control system

Info

Publication number: CN213461318U
Application number: CN202021776130.1U
Authority: CN
Inventors: 王坤
Original assignee: Shenzhen Zhiwan Wujiang Technology Co ltd
Current assignee: Shenzhen Zhiwan Wujiang Technology Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-06-15
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses an application closed loop vector variable frequency speed control system's novel motor, including the motor casing, install motor body in the motor casing, open in the motor casing outside has the convenience to overhaul the dismantlement mouth of maintaining usefulness to motor casing internal sensor, and dismantles the mouth outside and install portable built-up member, the utility model discloses an install portable built-up member in the motor casing outside to when realizing overhauing the motor, can be very convenient dismantle the mouth with the motor casing outside and open, personnel can be directly maintain the motor assembly of motor casing inside and overhaul, compare with current motor maintenance, dismantle maintenance and installation all comparatively simple, very big reduction maintenance time, raise the efficiency.

Description

Novel motor applying closed-loop vector variable-frequency speed regulation control system

Technical Field

The utility model relates to the technical field of electric machines, specifically be an application closed loop vector variable frequency speed control system's novel motor.

Background

The drive system can be broadly classified into a dc drive system and an ac drive system. The direct current driving system adopts the direct current motor as the motor, has the characteristics of simple and convenient control and good dynamic performance, and is still widely applied up to now, but due to the existence of the direct current motor commutator, the performance of the system is greatly reduced, the maximum rotating speed of the motor is limited, and a plurality of problems are brought to the maintenance of the driving system. Compared with a direct current motor, the alternating current motor has the advantages of small volume, high power, high efficiency, simple structure, easy maintenance and the like, but the speed regulation modes of the traditional alternating current driving system, such as variable voltage speed regulation, wound-rotor asynchronous motor rotor series resistance speed regulation, cascade speed regulation, pole-changing speed regulation and the like, have obvious limitations, along with the rapid development of an alternating current frequency conversion technology, a power electronic device and a microprocessor technology, the alternating current motor control technology has also made breakthrough progress, the regulation and control technologies of the alternating current motor, such as slip control, vector control, direct torque control and the like, are mature day by day in the later 80 s and 90 s, the variable frequency speed regulation becomes the main development direction of the current alternating current speed regulation technology, the dynamic performance of the variable frequency speed regulation technology reaches or exceeds the level of the direct current motor, wherein the vector control can also be used for an electrical control system with higher requirements on the dynamic, for an electric automobile for traffic purposes, the starting is frequent, the load change is large, the acceleration and deceleration are required to be rapid, and the vector control technology is very suitable.

However, although the closed-loop variable-frequency speed regulation technical performance of the asynchronous motor with the vector control frequency converter of the speed sensor is good, after all, the speed sensor needs to be installed on the asynchronous motor, strictly speaking, the characteristics of firm structure and high reliability of the asynchronous motor are reduced, a feedback circuit link is added, the probability of failure is high, therefore, the motor needs to be disassembled and maintained, the existing motor shell is of an integrated structure, the disassembly is difficult, when the internal sensor is detected, the whole body needs to be completely disassembled, the operation is troublesome, and therefore, a novel motor using the closed-loop vector variable-frequency speed regulation control system is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can carry out the novel motor of application closed loop vector variable frequency speed control system of high-efficient maintenance nursing to motor inside to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an application closed loop vector variable frequency speed control system's novel motor, includes the motor casing, install motor body in the motor casing, open in the motor casing outside has the convenience to overhaul the dismantlement mouth of maintaining usefulness to motor casing internal sensor, and dismantles the mouthful outside and install portable built-up member.

Preferably, portable built-up member includes the arc slide, arc slide both ends all are fixed with the connecting plate, and slide in two connecting plates and peg graft and have the arc pole, two arc pole both ends all are fixed with the mounting panel, and the mounting panel is fixed with the motor casing outside, the arc slide is close to motor casing top position both ends and all is fixed with the locating part, realizes opening and closing to dismantling the mouth through portable built-up member, and easy operation for personnel detect more conveniently to the sensor in the motor casing.

Preferably, the locating part includes the backup pad, it has the spliced pole to slide in the backup pad to peg graft, the spliced pole outer end is fixed with trapezoidal piece, and the other end is fixed with L type pole, the spliced pole outer end is fixed with the spacing ring, and spliced pole outside cover has spacing spring, spacing spring both ends respectively with spacing ring and backup pad contact, the mounting panel outside is fixed with the trapezoidal connecting block with trapezoidal piece looks adaptation, and opens in the trapezoidal connecting block outside has the draw-in groove, the arc slide outside corresponds the spacing ring rigidity and has the dog, can realize the spacing of arc slide through the locating part for its is to dismantling the closure of mouth.

Preferably, the cover in the outside of arc pole top has and pushes away the tight spring, and pushes away tight spring both ends and contact with connecting plate and mounting panel respectively, pushes away the tight spring and can play a tight effect of pushing away to the arc slide for it is more stable behind the joint, when also making to open, can make things convenient for the gliding more.

Preferably, the motor casing corresponds dismantlement mouthful position department and opens there is the sliding tray, and sliding tray and arc slide inner wall sliding connection, and the design of sliding tray makes the arc slide remove more convenient.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a portable built-up member of installation outside the motor casing to the realization is when overhauing the motor, can be very convenient dismantle the mouth with the motor casing outside and open, personnel can be directly maintain the maintenance to the inside motor assembly of motor casing, overhauls with current motor and compares, dismantles to overhaul and installs all comparatively simply, very big reduction maintenance time, raises the efficiency.

Drawings

FIG. 1 is a schematic view of the overall appearance structure of the present invention;

FIG. 2 is a schematic view of another angle of the present invention in a partial sectional view;

FIG. 3 is a schematic view of the position structure of the detachment port of the present invention;

fig. 4 is a schematic structural diagram of the portable assembly of the present invention;

fig. 5 is a schematic view of the limiting member of the present invention;

fig. 6 is an enlarged view of a portion a in fig. 5.

In the figure: 1-a motor casing; 2-a disassembly port; 3-a portable assembly; 4-arc slide plate; 5-connecting plates; 6-arc-shaped rods; 7-mounting a plate; 8-a limiting member; 9-a support plate; 10-connecting column; 11-a trapezoidal block; a 12-L shaped rod; 13-a limit ring; 14-a limit spring; 15-trapezoidal connecting blocks; 16-a card slot; 17-pushing the spring tightly; 18-a sliding groove; 19-a stop.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, a novel motor using a closed-loop vector variable-frequency speed control system in the figures includes a motor casing 1, a motor body is installed in the motor casing 1, a disassembly opening 2 for facilitating maintenance of a sensor inside the motor casing 1 is formed in the outer side of the motor casing 1, the disassembly opening 2 is mainly formed in a sensor installation area, and a portable assembly member 3 is installed outside the disassembly opening 2.

The portable assembly part 3 comprises an arc-shaped sliding plate 4, the area of the arc-shaped sliding plate 4 is slightly larger than that of the disassembly port 2, so that the disassembly port 2 can be completely shielded by the arc-shaped sliding plate 4, connecting plates 5 are fixed at two ends of the arc-shaped sliding plate 4, arc-shaped rods 6 are slidably inserted in the two connecting plates 5, mounting plates 7 are fixed at two ends of the two arc-shaped rods 6, the mounting plates 7 are fixed on the outer side of the motor casing 1, and limiting parts 8 are fixed at two ends of the arc-shaped sliding plate 4, which are close to the top end of;

the limiting part 8 comprises a supporting plate 9, a connecting column 10 is inserted in the supporting plate 9 in a sliding mode, a trapezoidal block 11 is fixed at the outer end of the connecting column 10, an L-shaped rod 12 is fixed at the other end of the connecting column 10, a limiting ring 13 is fixed at the outer end of the connecting column 10, a limiting spring 14 is sleeved on the outer side of the connecting column 10, two ends of the limiting spring 14 are respectively in contact with the limiting ring 13 and the supporting plate 9, a trapezoidal connecting block 15 matched with the trapezoidal block 11 is fixed on the outer side of the mounting plate 7, a clamping groove 16 is formed in the outer side of the trapezoidal connecting block 15, a stop block 19 is fixed on the outer side of the arc-shaped sliding plate 4 corresponding to the position of the limiting ring 13, and the stop block 19 can prevent the trapezoidal block 11 from being in contact with the arc-shaped rod 6 when the arc-shaped sliding plate 4 is;

the closing and opening principle of the disassembly port 2 is as follows: when the motor uses a period to break down, when needing to overhaul the motor, personnel directly outwards take L type pole 12 out, make trapezoidal piece 11 break away from with draw-in groove 16, later rethread pushes away the effect of tight spring 17, supplementary arc slide 4 slides along sliding tray 18, thereby realize opening to dismantling mouthful 2, thereby make things convenient for personnel to overhaul the change to electrical components such as sensor in the motor casing 1, overhaul the back of finishing, personnel are promoting arc slide 4 upwards, and inwards pull L type pole 12, make trapezoidal piece 11 more conveniently contract after 15 contacts with trapezoidal connecting block, and effect through spacing spring 14, make trapezoidal piece 11 with sliding tray 18 joint once more, realize the closure to dismantling mouthful 2.

In addition, a pushing spring 17 is sleeved on the outer side of the top end of the arc-shaped rod 6, two ends of the pushing spring 17 are respectively contacted with the connecting plate 5 and the mounting plate 7, when the arc-shaped sliding plate 4 is closed, the pushing spring 17 can extrude the arc-shaped sliding plate 4, so that the mounting is more stable, the shaking is avoided, and when the arc-shaped sliding plate 4 is opened, a person can be assisted in opening the arc-shaped sliding plate 4, so that the opening is more labor-saving;

meanwhile, in order to facilitate the sliding of the arc-shaped sliding plate 4, a sliding groove 18 is formed in the position, corresponding to the disassembly port 2, of the motor casing 1, and the sliding groove 18 is in sliding connection with the inner wall of the arc-shaped sliding plate 4.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an application closed loop vector variable frequency speed control system's novel motor, includes motor casing (1), install motor body in motor casing (1), its characterized in that: motor casing (1) outside is opened has the convenience to overhaul dismantlement mouth (2) of maintaining usefulness to motor casing (1) internal sensor, and dismantles mouthful (2) outside and install portable built-up member (3) are including arc slide (4), arc slide (4) both ends all are fixed with connecting plate (5), and slide in two connecting plates (5) and peg graft and have arc pole (6), two arc pole (6) both ends all are fixed with mounting panel (7), and mounting panel (7) are fixed with motor casing (1) outside, arc slide (4) are close to motor casing (1) top position both ends and all are fixed with locating part (8).

2. The novel motor using the closed-loop vector variable-frequency speed regulation control system as claimed in claim 1, characterized in that: locating part (8) are including backup pad (9), it has spliced pole (10) to slide in backup pad (9) and peg graft, spliced pole (10) outer end is fixed with trapezoidal block (11), and the other end is fixed with L type pole (12), spliced pole (10) outer end is fixed with spacing ring (13), and spliced pole (10) outside cover has spacing spring (14), spacing spring (14) both ends respectively with spacing ring (13) and backup pad (9) contact, mounting panel (7) outside is fixed with trapezoidal connecting block (15) with trapezoidal block (11) looks adaptation, and opens in trapezoidal connecting block (15) outside has draw-in groove (16), arc slide (4) outside corresponds spacing ring (13) fixed in position has dog (19).

3. The novel motor using the closed-loop vector variable-frequency speed regulation control system as claimed in claim 2, characterized in that: the outer side of the top end of the arc-shaped rod (6) is sleeved with a pushing spring (17), and two ends of the pushing spring (17) are respectively contacted with the connecting plate (5) and the mounting plate (7).

4. The novel motor using the closed-loop vector variable-frequency speed regulation control system as claimed in claim 3, characterized in that: the motor casing (1) is provided with a sliding groove (18) corresponding to the position of the dismounting opening (2), and the sliding groove (18) is connected with the inner wall of the arc-shaped sliding plate (4) in a sliding manner.