CN219436774U

CN219436774U - Wiring board structure of three-phase asynchronous motor

Info

Publication number: CN219436774U
Application number: CN202223083332.XU
Authority: CN
Inventors: 黄建烽
Original assignee: Ningbo Zhenhai Yuanyi Mechanical And Electrical Manufacture Co ltd
Current assignee: Ningbo Zhenhai Yuanyi Mechanical And Electrical Manufacture Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-07-28
Anticipated expiration: 2032-11-21

Abstract

The utility model provides a wiring board structure of a three-phase asynchronous motor, which comprises a seat board, and a motor wiring structure and a control wiring structure which are arranged on the seat board; the motor wiring structure comprises a plurality of wiring terminals which are arranged at equal intervals along the length direction of a seat board, and a supporting boss which extends towards the lower side is arranged on the seat board; the wiring terminal is inlaid in the seat board, the upper end of the wiring terminal protrudes out of the upper wall surface of the seat board, one side of the lower end of the wiring terminal is arranged in the supporting boss, and the other side of the wiring terminal protrudes out of the side wall of the supporting boss; the upper end of the wiring terminal is provided with a vertical first wiring screw hole, and one side of the lower end of the wiring terminal is provided with a horizontal second wiring screw hole; the control wiring structure is positioned on one side of the motor wiring structure and comprises an aviation socket, one side of the upper end of the seat plate is provided with a mounting boss, and a fixing plate is inlaid on the mounting boss; the aviation socket is detachably arranged on the fixed plate, and one end of the aviation socket penetrates through the seat plate; the wiring board structure overcomes the defects of inconvenient wiring and poor waterproof performance of the existing wiring board structure.

Description

Wiring board structure of three-phase asynchronous motor

Technical Field

The utility model relates to the field of three-phase asynchronous motors, in particular to a wiring board structure of a three-phase asynchronous motor.

Background

The three-phase asynchronous motor is one kind of induction motor and is one kind of motor powered by three-phase AC current, and the rotor and stator of the three-phase asynchronous motor rotate in the same direction and different rotation speeds and have slip ratio, so that the motor is called a three-phase asynchronous motor. The rotating speed of the rotor of the three-phase asynchronous motor is lower than that of the rotating magnetic field, the rotor winding generates electromotive force and current due to relative motion between the rotor winding and the magnetic field, and electromagnetic torque is generated by interaction between the rotor winding and the magnetic field, so that energy conversion is realized.

The wiring board structure is an important component in the three-phase asynchronous motor, the wiring of the existing three-phase asynchronous motor is mainly divided into two parts, and one part is the wiring of the motor and is used for supplying power to the motor to drive the motor to rotate; the other part is a control wiring, including a speed sensing wire, a temperature signal wire, a brake wire and the like; the existing wiring board structure is characterized in that two wiring structures are arranged in the same part, the two wiring structures are easy to influence each other, and the wiring of customers is inconvenient; in addition, due to the structural limitation, the sealing structure is not easy to be made, and the waterproof performance is poor.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to solve the problem of providing a wiring board structure of a three-phase asynchronous motor so as to overcome the defects of inconvenient wiring and poor waterproof performance of the existing wiring board structure.

(II) technical scheme

In order to solve the technical problems, the utility model provides a wiring board structure of a three-phase asynchronous motor, which comprises a seat board, and a motor wiring structure and a control wiring structure which are arranged on the seat board;

the motor wiring structure comprises a plurality of wiring terminals which are arranged at equal intervals along the length direction of the seat board, and a supporting boss which extends towards the lower side is arranged on the seat board; the wiring terminal is embedded in the seat board, the upper end of the wiring terminal protrudes out of the upper wall surface of the seat board, one side of the lower end of the wiring terminal is arranged in the supporting boss, and the other side of the wiring terminal protrudes out of the side wall of the supporting boss; the upper end of the wiring terminal is provided with a vertical first wiring screw hole, and one side of the lower end of the wiring terminal is provided with a horizontal second wiring screw hole;

the control wiring structure is positioned on one side of the motor wiring structure and comprises an aviation socket, one side of the upper end of the seat plate is provided with a mounting boss, and a fixing plate is inlaid on the mounting boss; the aviation socket is detachably mounted on the fixing plate, and one end of the aviation socket penetrates through the seat plate. The wiring board structure is characterized in that the motor wiring structure and the control wiring structure are arranged separately, work of the motor wiring structure and the control wiring structure is mutually influenced, and wiring is convenient; and adopt aviation socket connection control wiring, connect the motor wiring through two wiring screw holes of binding post, the dismouting is simple and convenient, and the wiring is simple and convenient, operation labour saving and time saving.

Furthermore, a socket sealing gasket is arranged between the aviation socket and the fixing plate, and the aviation socket is fastened and locked with the socket sealing gasket and the fixing plate through a first fastening screw.

Further, the upper wall surface of the seat plate is provided with first baffles at two sides of the wiring terminals, and wiring ports are reserved at one ends of the wiring terminals at two sides, which face the mounting bosses. The side wall of the supporting boss is provided with a second baffle plate between two adjacent wiring terminals.

Further, the seat board is detachably mounted on an external motor through a second fastening screw, the supporting boss is arranged in the motor, and a wiring board sealing gasket is mounted between the seat board and the motor.

Further, the seat board, the supporting boss, the mounting boss, the first baffle and the second baffle are of an integrated structure, and are made of PPS materials.

Further, three wiring terminals are formed, the shape of each wiring terminal is cuboid, and the wiring terminals are made of copper materials; the number of the first baffles is four, and the number of the second baffles is two.

Further, a plurality of empty avoidance grooves are formed in one side, far away from the wiring terminal, of the supporting boss.

Further, the installation boss and the fixing plate are square, and the fixing plate is made of aluminum materials.

(III) beneficial effects

Compared with the prior art, the wiring board structure of the three-phase asynchronous motor provided by the utility model has the following advantages:

1) The motor wiring structure and the control wiring structure are arranged separately, the work of the motor wiring structure and the control wiring structure is not affected, and wiring is convenient; the aviation socket is used for connecting and controlling wiring, the motor is connected through two wiring screw holes of the wiring terminal, wiring is simple and convenient, and operation is time-saving and labor-saving;

2) The two wiring structures are separately designed, so that the waterproof structure is easier to design, the motor wiring structure is directly embedded on the seat board through injection molding of the wiring terminals, and the tightness is good; by arranging the socket sealing gasket, the tightness of the control wiring structure can be ensured; by arranging the wiring board sealing gasket, the tightness of the connection between the seat board and the motor can be ensured, the overall tightness is good, the waterproofness is good, and the service life is long;

3) The copper binding post is inlayed on the bedplate, can guarantee through the heavy current, guarantees the security of use.

Drawings

FIG. 1 is a perspective view of a terminal block structure of a three-phase asynchronous motor according to the present utility model;

FIG. 2 is a perspective view of the bottom view of a terminal block structure of a three-phase asynchronous motor according to the present utility model;

FIG. 3 is a schematic top view of a three-phase asynchronous motor wiring board structure;

FIG. 4 is a schematic diagram showing the structure of a three-phase asynchronous motor according to the present utility model in a bottom view of a wiring board structure;

FIG. 5 is an exploded view of a terminal block structure of a three-phase asynchronous motor according to the present utility model;

FIG. 6 is a cut-away view of a terminal block structure base plate of a three-phase asynchronous motor according to the present utility model;

FIG. 7 is a perspective view of a terminal block structure of a three-phase asynchronous motor of the present utility model after installation in the motor;

FIG. 8 is a schematic diagram of a three-phase asynchronous motor according to the present utility model after a terminal board structure is installed in the motor;

the corresponding component names for each reference number in the figures are: 1. a seat plate; 2. a connection terminal; 3. aviation socket; 4. a socket gasket; 5. a first fastening screw; 6. a second fastening screw; 7. a motor; 8. a terminal block gasket; 9. wiring of the motor; 10. control wiring; 11. a support boss; 12. a mounting boss; 13. a fixing plate; 14. a first baffle; 15. a second baffle; 16. an empty-avoiding groove; 17. a wiring through port; 21. a first wiring screw hole; 22. and a second wiring screw hole.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 8, the present utility model provides a three-phase asynchronous motor, which comprises a base plate 1, and a motor wiring structure and a control wiring structure arranged on the base plate 1.

Referring to fig. 1 to 4, the motor wiring structure includes a plurality of wiring terminals 2 arranged at equal intervals along the length direction of the seat board 1, in this embodiment, the wiring terminals 2 are three corresponding to three-phase electricity, the shape of the wiring terminals 2 is cuboid and is made of copper, so that larger current can be ensured, and the use safety is ensured. The seat board 1 is provided with a supporting boss 11 extending towards the lower side; the binding post 2 is inlayed in bedplate 1, and binding post 2 upper end protrusion is in bedplate 1's upper wall, and in supporting boss 11 was arranged in to one side of binding post 2 lower extreme, the opposite side protrusion of lower extreme was in supporting boss 11's lateral wall. The upper end of the wiring terminal 2 is provided with a vertical first wiring screw hole 21, and one side of the lower end is provided with a horizontal second wiring screw hole 22.

Referring to fig. 1 to 4, the upper wall surface of the seat board 1 is provided with first baffles 14 at two sides of the wiring terminal 2, a wiring through hole 17 is reserved at one end of the wiring terminal 2 at two sides facing the mounting boss 12, two sides of the wiring terminal 2 provided with the wiring through hole 17 can be connected, the wiring mode is more flexible, and the wiring is more convenient; the side wall of the support boss 11 is provided with a second baffle 15 between the adjacent two terminals 2. Correspondingly, the number of the first baffles 14 is four, and the number of the second baffles 15 is two. Through setting up first baffle 14 and second baffle 15, can prevent that two wiring mistake from touching the risk that causes the short circuit, improve the security of using. The support boss 11 is provided with a plurality of empty slots 16 that keep away from binding post 2 one side, can lighten whole weight on the one hand, can increase the wiring space on the one hand, and the wiring is convenient.

Referring to fig. 5 and 6, the control wiring structure is located at one side of the motor wiring structure, and comprises an aviation socket 3, a mounting boss 12 is arranged at one side of the upper end of the seat board 1, the height of the aviation socket 3 can be increased by the mounting boss 12, the operation space is increased during wiring, and interference is prevented. The mounting boss 12 is embedded with the fixed plate 13, the mounting boss 12 and the fixed plate 13 are square, the fixed plate 13 is made of aluminum, the structure is stable, the aviation socket 3 is detachably mounted on the fixed plate 13, and one end of the aviation socket 3 penetrates through the seat plate 1.

Referring to fig. 1 and 5, in order to improve the waterproof performance, a socket gasket 4 is installed between the aviation socket 3 and the fixing plate 13, and the aviation socket 3 is fastened and locked with the socket gasket 4 and the fixing plate 13 through four first fastening screws 5.

Preferably, for the sake of the reduced structure, the seat plate 1, the support boss 11, the mounting boss 12, the first baffle 14 and the second baffle 15 are integrally formed, and are made of PPS (thermoplastic engineering plastic) material, for example, may be manufactured by injection molding.

Referring to fig. 7 and 8, the seat plate 1 is detachably mounted on the external motor 7 through four second fastening screws 6, the supporting boss 11 is disposed in the motor 7, and the wiring board sealing gasket 8 is mounted between the seat plate 1 and the motor 7 to promote waterproofness. The motor wiring 9 is electrically connected with the wiring terminal 2 through a screw, the screw is in threaded connection in the second wiring screw hole 22, a customer can be in threaded connection in the first wiring screw hole 21 through the screw during wiring, wiring of the customer and a manufacturer is separated, wiring is easier, and waterproofing is easier to achieve; the control wiring 10 is electrically connected to the inner side end of the aviation socket 3.

The three-phase asynchronous motor provided by the embodiment has the advantages of simple structure, convenient connection, good tightness and high use safety; the motor wiring structure and the control wiring structure are arranged separately, the work of the motor wiring structure and the control wiring structure is not affected, and the wiring is convenient; the aviation socket is used for connecting and controlling wiring, the motor is connected through two wiring screw holes of the wiring terminal, wiring is simple and convenient, and operation is time-saving and labor-saving; the two wiring structures are designed separately, so that the waterproof structure is easier to design, the motor wiring structure is embedded on the seat board through direct injection molding of the wiring terminals, and the tightness is good; by arranging the socket sealing gasket, the tightness of the control wiring structure can be ensured; by arranging the wiring board sealing gasket, the tightness of the connection between the seat board and the motor can be ensured, the overall tightness is good, the waterproofness is good, and the service life is long; the copper binding post is inlaid on the seat board, so that the safety of use can be ensured through high current.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. A wiring board structure of a three-phase asynchronous motor is characterized in that: comprises a seat board (1), and a motor wiring structure and a control wiring structure which are arranged on the seat board (1);

the motor wiring structure comprises a plurality of wiring terminals (2) which are arranged at equal intervals along the length direction of the seat board (1), and a supporting boss (11) which extends towards the lower side is arranged on the seat board (1); the wiring terminal (2) is embedded in the seat board (1), the upper end of the wiring terminal is protruded out of the upper wall surface of the seat board (1), one side of the lower end of the wiring terminal is arranged in the supporting boss (11), and the other side of the wiring terminal is protruded out of the side wall of the supporting boss (11); the upper end of the wiring terminal (2) is provided with a vertical first wiring screw hole (21), and one side of the lower end of the wiring terminal is provided with a horizontal second wiring screw hole (22);

the control wiring structure is positioned on one side of the motor wiring structure and comprises an aviation socket (3), one side of the upper end of the seat board (1) is provided with a mounting boss (12), and a fixing plate (13) is embedded on the mounting boss (12); the aviation socket (3) is detachably mounted on the fixing plate (13), and one end of the aviation socket penetrates through the seat plate (1).

2. The terminal block structure of a three-phase asynchronous motor as claimed in claim 1, wherein: the aviation socket is characterized in that a socket sealing gasket (4) is arranged between the aviation socket (3) and the fixing plate (13), and the aviation socket (3) is fastened and locked with the socket sealing gasket (4) and the fixing plate (13) through a first fastening screw (5).

3. The terminal block structure of a three-phase asynchronous motor as claimed in claim 1, wherein: the upper wall surface of the seat board (1) is provided with first baffles (14) on two sides of the wiring terminal (2), and a wiring through hole (17) is reserved at one end of the wiring terminal (2) on two sides, which faces the mounting boss (12).

4. A terminal block structure for a three-phase asynchronous motor as claimed in claim 3, wherein: the side wall of the supporting boss (11) is provided with a second baffle (15) between two adjacent wiring terminals (2).

5. The terminal block structure of a three-phase asynchronous motor as claimed in claim 1, wherein: the seat board (1) is detachably mounted on an external motor (7) through a second fastening screw (6), the supporting boss (11) is arranged in the motor (7), and a wiring board sealing gasket (8) is mounted between the seat board (1) and the motor (7).

6. The terminal block structure of the three-phase asynchronous motor as claimed in claim 4, wherein: the seat board (1), the supporting boss (11), the mounting boss (12), the first baffle (14) and the second baffle (15) are of an integrated structure, and are made of PPS materials.

7. The terminal block structure of the three-phase asynchronous motor as claimed in claim 4, wherein: the three wiring terminals (2) are rectangular and made of copper materials; the number of the first baffles (14) is four, and the number of the second baffles (15) is two.

8. The terminal block structure of a three-phase asynchronous motor as claimed in claim 1, wherein: and a plurality of empty avoidance grooves (16) are formed in one side, far away from the wiring terminal (2), of the supporting boss (11).

9. The terminal block structure of a three-phase asynchronous motor as claimed in claim 1, wherein: the installation boss (12) and the fixing plate (13) are square, and the fixing plate (13) is made of aluminum materials.