Variable frequency speed regulation three-phase asynchronous motor

Abstract

The utility model discloses a frequency conversion speed regulation three-phase asynchronous motor, comprising a three-phase asynchronous motor main body which is installed on a device; the wire holder is arranged on the three-phase asynchronous motor main body, a control panel is arranged on the wire holder, and a three-phase wire penetrates through the wire holder and is connected with the control panel; and the positioning structure is arranged on the wire holder, and the three-phase wire is positioned and arranged in the wire holder through the positioning structure. According to the utility model, the heat radiation area of the motor is effectively increased through the heat radiation fins arranged on the shell, heat in the operation process can be rapidly radiated, the working temperature of the motor is reduced, the service life of equipment is prolonged, and the operation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a motor, in particular to a variable-frequency speed-regulating three-phase asynchronous motor. Background Art

[0002] Traditional motors lack an effective heat dissipation structure, resulting in too high a temperature of the motor during long-term operation, which affects its performance and service life. In addition, insufficient heat dissipation may also cause the overheat protection of the motor to be frequently triggered, affecting the normal operation of the equipment.

[0003] The wiring method of traditional motors is often relatively complex. The wiring process requires a lot of time and technology, and it is easy to cause wiring errors or poor contacts, thereby affecting the operating efficiency and safety of the motor.

[0004] During the operation of the motor, due to factors such as vibration, components such as the control board may become loose, resulting in unstable performance and even affecting the normal operation of the motor. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is to provide a variable-frequency speed-regulating three-phase asynchronous motor to solve the problems existing in the background art.

[0006] The variable-frequency speed-regulating three-phase asynchronous motor of the utility model is realized through the following technical solutions, including:

[0007] A three-phase asynchronous motor main body, and the three-phase asynchronous motor main body is installed on the equipment;

[0008] A wiring seat, the wiring seat is arranged on the three-phase asynchronous motor main body, a control board is arranged on the wiring seat, and three-phase wires pass through the wiring seat and are connected to the control board;

[0009] A positioning structure, the positioning structure is arranged on the wiring seat, and the three-phase wires are positioned in the wiring seat through the positioning structure.

[0010] As a preferred technical solution, heat dissipation fins are arranged on the outer shell of the three-phase asynchronous motor main body, and the three-phase asynchronous motor main body is dissipated heat through the heat dissipation fins.

[0011] As a preferred technical solution, the interior of the wiring seat is hollow to form an installation cavity, and the control board is arranged in the installation cavity;

[0012] The positioning structure is arranged in the control board in a guiding manner, and the positioning structure presses on the control board, thereby fixing the control board;

[0013] A fixed cover is arranged above the wiring seat, and the fixed cover is covered on the wiring seat, thereby sealing the wiring seat.

[0014] As a preferred technical solution, the positioning structure includes an upper positioning seat and a lower positioning seat;

[0015] The upper positioning seat is fixed on the fixed cover, and the lower positioning seat is arranged in the installation cavity through a guiding groove, and the lower end of the lower positioning seat contacts the control board, thereby pressing the control board tightly;

[0016] A wire passing hole is arranged at the splicing position of the upper positioning seat and the lower positioning seat, and the three-phase wire passes through the wire passing hole and is connected to the wiring position on the control board.

[0017] As a preferred technical solution, a connecting block is arranged at the end of the three-phase wire, and a locking screw is arranged on the wiring position of the control board, and the connecting block is fixed on the wiring position through the locking screw.

[0018] As a preferred technical solution, a support seat is arranged at the bottom of the three-phase asynchronous motor main body, and the three-phase asynchronous motor main body is installed on the equipment through the support seat.

[0019] The beneficial effects of the present utility model are as follows:

[0020] Through the heat dissipation fins arranged on the outer shell of the present utility model, the heat dissipation area of the motor is effectively increased, which helps to quickly dissipate the heat during operation, reduce the working temperature of the motor, thereby prolonging the service life of the equipment and improving the operation efficiency.

[0021] Through the arrangement of the wiring seat of the present utility model, the connection between the three-phase wire and the control board is more convenient. The installation cavity formed by the hollow interior provides sufficient space, which is convenient for wiring and subsequent maintenance, and at the same time reduces the complexity of wiring.

[0022] Through the arranged positioning structure, the combination of the upper and lower positioning seats can effectively fix the control board, ensuring that it will not loosen due to vibration during operation, greatly improving the operation stability and reliability of the motor.

[0023] Through the connecting block at the end of the three-phase wire of the present utility model being fixed on the wiring position through the locking screw, the reliability of the wiring is enhanced, avoiding poor contact caused by vibration or other factors, and ensuring the stable operation of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0025] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model;

[0026] Figure 2 Schematic diagram of the explosion structure of the present utility model Figure 1 ;

[0027] Figure 3 Schematic diagram of the explosion structure of the present utility model Figure 2 。

[0028] Description of the reference numerals in the drawings:

[0029] 1. Three-phase asynchronous motor main body; 2. Wiring seat; 3. Heat dissipation fins; 4. Installation cavity; 5. Control board; 6. Fixed cover; 7. Upper positioning seat; 8. Lower positioning seat; 9. Wiring position; 10. Three-phase wire; 11. Connection block; 12. Locking screw; 13. Support seat; 14. Guide groove. Specific embodiments

[0030] All features disclosed in this specification, or all steps in the disclosed methods or processes, except for mutually exclusive features and / or steps, can be combined in any way.

[0031] As Figures 1 - 3 shown, a variable-frequency speed-regulating three-phase asynchronous motor of the present utility model includes:

[0032] A three-phase asynchronous motor main body 1, and the three-phase asynchronous motor main body 1 is installed on the equipment;

[0033] It further includes a wiring seat 2, the wiring seat 2 is arranged on the three-phase asynchronous motor main body 1, a control board 5 is arranged on the wiring seat 2, and a three-phase wire 10 passes through the wiring seat 2 and is connected to the control board 5;

[0034] It further includes a positioning structure, the positioning structure is arranged on the wiring seat 2, and the three-phase wire 10 is positioned in the wiring seat 2 through the positioning structure.

[0035] Among them, heat dissipation fins 3 are arranged on the outer shell of the three-phase asynchronous motor main body 1, and the three-phase asynchronous motor main body 1 is dissipated heat through the heat dissipation fins 3.

[0036] Among them, the interior of the wiring seat 2 is hollow to form an installation cavity 4, and the control board 5 is arranged in the installation cavity 4;

[0037] The positioning structure is guided in the control board 5, and the positioning structure presses on the control board 5, thereby fixing the control board 5;

[0038] A fixed cover 6 is arranged above the wiring seat 2, and the fixed cover 6 is covered on the wiring seat 2, thereby sealing the wiring seat 2.

[0039] Among them, the positioning structure includes an upper positioning seat 7 and a lower positioning seat 8;

[0040] The upper positioning seat 7 is fixed on the fixed cover 6. The lower positioning seat 8 is arranged in the installation cavity 4 through the guiding of the guiding groove 14, and the lower end of the lower positioning seat 8 contacts the control board 5, thereby pressing the control board 5 tightly.

[0041] A wire passing hole is arranged at the splicing position of the upper positioning seat 7 and the lower positioning seat 8, and the three-phase wire 10 passes through the wire passing hole and is connected to the wiring position 9 on the control board 5.

[0042] In addition, a connection block 11 is arranged at the end of the three-phase wire 10, and a locking screw 12 is arranged on the wiring position 9 of the control board 5. The connection block 11 is fixed on the wiring position 9 through the locking screw 12.

[0043] In addition, a support seat 13 is arranged at the bottom of the three-phase asynchronous motor main body 1, and the three-phase asynchronous motor main body 1 is installed on the equipment through the support seat 13, which can ensure the stable operation and good heat dissipation effect of the motor.

[0044] The three-phase asynchronous motor main body is the core part of the motor, responsible for converting electrical energy into mechanical energy; powered by a three-phase AC power supply, it generates a rotating magnetic field to drive the rotor to rotate; the wiring seat is located on the motor main body and a control board is arranged inside; the three-phase power line passes through the wiring seat and is connected to the control board; the main function of the control board is to receive the three-phase current from the power supply and perform speed regulation control as required; the frequency converter function on the control board can adjust the speed of the motor by changing the frequency of the input voltage. This enables the motor to achieve precise speed control according to the load demand, thereby improving energy efficiency and reducing energy consumption.

[0045] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any change or replacement that can be thought of without creative work shall be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims

1. A variable-frequency speed-regulating three-phase asynchronous motor, characterized in that, Including: A three-phase asynchronous motor main body (1), and the three-phase asynchronous motor main body (1) is installed on a device; A wiring seat (2), the wiring seat (2) is arranged on the three-phase asynchronous motor main body (1), a control board (5) is arranged on the wiring seat (2), and a three-phase wire (10) passes through the wiring seat (2) and is connected to the control board (5); A positioning structure, the positioning structure is arranged on the wiring seat (2), and the three-phase wire (10) is positioned in the wiring seat (2) through the positioning structure.

2. The variable-frequency speed-regulating three-phase asynchronous motor according to claim 1, wherein: Heat dissipation fins (3) are arranged on the outer shell of the three-phase asynchronous motor main body (1), and the three-phase asynchronous motor main body (1) is dissipated heat through the heat dissipation fins (3).

3. The variable-frequency speed-regulating three-phase asynchronous motor according to claim 1, wherein: The interior of the wiring seat (2) is hollow to form an installation cavity (4), and the control board (5) is arranged in the installation cavity (4); The positioning structure is guidingly arranged in the control board (5), and the positioning structure presses on the control board (5); A fixing cover (6) is arranged above the wiring seat (2), and the fixing cover (6) is covered on the wiring seat (2).

4. The variable-frequency speed-regulating three-phase asynchronous motor according to claim 1, wherein: The positioning structure includes an upper positioning seat (7) and a lower positioning seat (8); The upper positioning seat (7) is fixed on the fixing cover (6), the lower positioning seat (8) is guidingly arranged in the installation cavity (4) through a guiding groove, and the lower end of the lower positioning seat (8) contacts the control board (5), thereby pressing the control board (5) tightly; A wire passing hole is arranged at the splicing part of the upper positioning seat (7) and the lower positioning seat (8), and the three-phase wire (10) passes through the wire passing hole and is connected to a wiring position (9) on the control board (5).

5. The variable-frequency speed-regulating three-phase asynchronous motor according to claim 1, wherein: A connection block (11) is arranged at the end of the three-phase wire (10), a locking screw (12) is arranged on the wiring position (9) of the control board (5), and the connection block (11) is fixed on the wiring position (9) through the locking screw (12).

6. The variable-frequency speed-regulating three-phase asynchronous motor according to claim 1, characterized in that: A support seat (13) is arranged at the bottom of the three-phase asynchronous motor main body (1), and the three-phase asynchronous motor main body (1) is installed on a device through the support seat (13).

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