CN216390490U

CN216390490U - Be applied to machine controller port protection mechanism

Info

Publication number: CN216390490U
Application number: CN202122012218.7U
Authority: CN
Inventors: 孙进; 金坤明; 王德红
Original assignee: Weihai Xinneng Micro Control Electric Co ltd
Current assignee: Weihai Xinneng Micro Control Electric Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-04-26
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a port protection mechanism applied to a motor controller, which comprises a mounting frame, wherein the upper end of the mounting frame is fixedly connected with a first binding post, the inner wall of the upper end of the mounting frame is fixedly connected with a mounting frame, the side wall of the mounting frame is fixedly connected with a sealing cylinder, the first binding post is electrically connected with a wire, the wire is wound on the outer side wall of the sealing cylinder, the inner wall of the sealing cylinder is connected with a piston in a sliding manner, one end of the piston is fixedly connected with a cross rod, the cross rod penetrates through the side wall of one end of the sealing cylinder, the cross rod is movably and hermetically connected with the penetrating part of the sealing cylinder, and paraffin is arranged on the side, far away from the cross rod, of the inner wall of the sealing cylinder. According to the utility model, the temperature of the circuit is continuously raised due to the overload of the motor, paraffin in the sealed cylinder is melted by the raised temperature, so that the solid paraffin is changed into gas, the piston is pushed to move towards the direction of the cross rod, the controller can quickly respond to the action, the circuit is powered off, and the service life of the motor is effectively protected.

Description

Be applied to machine controller port protection mechanism

Technical Field

The utility model relates to the technical field of motors, in particular to a port protection mechanism applied to a motor controller.

Background

The technical requirements of the motor comprise: a nominal value; making and rating work; operating conditions; insulation grade and temperature rise; dielectric properties; the shell protection grade; a cooling method; structure and installation form; line end markers and direction of rotation; the shape and mounting dimensions and their tolerances; noise and vibration limits; electrical performance; (ii) a working life or reliability; an apparent mass; safety performance of the motor, etc.

In the prior art, the motor is often stuck by some foreign matters to normally operate in the operation process, so that the motor is damaged by overload, and the controller cannot play a certain protection role.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, a motor is often clamped by some foreign matters to normally operate in the operation process of the motor, so that the motor is damaged by overload, and a controller cannot play a certain protection role, and the port protection mechanism applied to the motor controller is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a be applied to machine controller port protection mechanism, includes the mounting bracket, its characterized in that, the first terminal of mounting bracket upper end fixed connection, mounting bracket upper end inner wall fixed connection mount, the sealed cylinder of mount lateral wall fixed connection, first terminal electricity wire connection, the wire winding is on sealed cylinder lateral wall, sealed cylinder inner wall sliding connection piston, piston one end fixed connection horizontal pole, the horizontal pole runs through sealed cylinder one end lateral wall, the horizontal pole runs through a swing joint with sealed cylinder, sealed cylinder inner wall is kept away from the horizontal pole side and is provided with paraffin, the horizontal pole is kept away from sealed cylinder side and is installed protection device.

Preferably, protection device includes the montant, horizontal pole one end and montant upper end lateral wall fixed connection, the first contact piece of sealed cylinder side fixed connection is kept away from to the montant lower extreme, mounting bracket inner wall fixed connection contacts the piece with first contact piece fixed connection's second, wire one end is connected with first contact piece electricity, second terminal is connected to second contact piece one end electricity, second terminal and mounting bracket lateral wall fixed connection.

Preferably, the upper end of the vertical rod is far away from the side of the sealing cylinder and is fixedly connected with a spiral spring, and one end of the spiral spring is fixedly connected with the side wall of the mounting frame.

Preferably, the middle of the vertical rod is provided with a vertical through groove, the inner wall of the through groove is connected with a sliding rod in a sliding mode, and one end of the sliding rod is fixedly connected with the inner wall of the mounting frame.

Preferably, the models of the first binding post and the second binding post are the same, and the joints of the first binding post and the mounting rack, the joints of the second binding post and the mounting rack are provided with insulating coating treatment.

Preferably, the side wall of the sealed cylinder is provided with a heat absorbing layer.

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

1. according to the utility model, the line temperature is continuously raised due to the overload of the motor, and the paraffin in the sealed cylinder is melted by the raised temperature, so that the solid paraffin is changed into a gas state and the piston is pushed to move towards the transverse rod, thus the controller can quickly respond, the line is powered off, and the service life of the motor is effectively protected;

2. according to the utility model, the sealed cylinder can generate phase change reaction to drive the vertical rod to rotate, so that the first contact block is separated from the second contact block, automatic power off can be realized, the protection efficiency is improved, and the workload of field inspection of workers is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a port protection mechanism applied to a motor controller according to the present invention;

fig. 2 is a schematic view of a sealing cylinder connection structure applied to a motor controller port protection mechanism according to the present invention.

In the figure: the device comprises a mounting frame 1, a first binding post 2, a fixing frame 3, a sealing cylinder 4, a lead 5, a piston 6, a cross bar 7, paraffin 8, a vertical bar 9, a first contact block 10, a second contact block 11, a second binding post 12, a spiral spring 13, a through groove 14, a sliding rod 15 and a heat absorption layer 16.

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.

Referring to fig. 1-2, a be applied to motor controller port protection mechanism, including

mounting bracket

1, 1 upper end fixed connection first terminal 2 of mounting bracket, 1 upper end inner wall fixed connection mount 3 of mounting bracket, 3 lateral walls fixed connection seal cylinder 4 of mount, 2 electric connecting wire 5 of first terminal, wire 5 twines on 4 lateral walls of seal cylinder, 4 inner wall sliding connection pistons 6 of seal cylinder, 6 one end fixed connection horizontal pole 7 of piston, horizontal pole 7 runs through 4 one end lateral walls of seal cylinder,

horizontal pole

7 and 4 movable sealing connection of department that run through of seal cylinder, the horizontal pole 7 side is kept away from to 4 inner walls of seal cylinder is provided with paraffin 8, horizontal pole 7 is kept away from 4 sides of seal cylinder and is installed protection device. With first terminal 2 and the equal electricity of second wiring and motor wiring end and be connected, transship through the motor, can arouse the circuit temperature and continuously rise, the temperature that risees melts 4 interior paraffin 8 of sealed cylinder, solid-state paraffin 8 becomes the gaseous state like this, will promote 6 toward 7 directions movements of horizontal pole of piston, the controller just can be quick like this react, with the circuit outage, effectual protection motor life.

Protection device includes montant 9, 7 one ends of horizontal pole and 9 upper end lateral walls fixed connection of montant, the first contact piece 10 of 4 side fixed connection of sealed cylinder is kept away from to montant 9 lower extreme, 1 inner wall fixed connection of mounting bracket and first contact piece 10 fixed connection's

second contact piece

11, 5 one end of wire are connected with first contact piece 10 electricity, second terminal 12 is connected to 11 one end electricity of second contact piece,

second terminal

12 and 1 lateral wall fixed connection of mounting bracket. Only when the first contact block 10 is in close contact with the second contact block 11, the motor will normally operate.

The upper end of the vertical rod 9 is far away from the side of the sealing cylinder 4 and is fixedly connected with a spiral spring 13, and one end of the spiral spring 13 is fixedly connected with the side wall of the mounting rack 1. When the cross rod 7 pushes the upper end of the vertical rod 9, the spiral spring 13 is compressed, and when the air pressure of the sealing air cylinder 4 is reduced, the compressed spiral spring 13 is restored, so that the first contact block 10 is in close contact with the second contact block 11, and the motor is enabled to run again.

The middle part of the vertical rod 9 is provided with a vertical through groove 14, the inner wall of the through groove 14 is connected with a sliding rod 15 in a sliding manner, and one end of the sliding rod 15 is fixedly connected with the inner wall of the mounting rack 1. When the cross bar 7 pushes the vertical bar 9 to rotate, the rotating vertical bar 9 enables the vertical bar 9 to rotate more stably under the action of the sliding bar 15.

The model of the first binding post 2 is the same as that of the second binding post 12, and the joints of the first binding post 2 and the second binding post 12 with the mounting rack 1 are all provided with insulating coating treatment. Convenient for future replacement and maintenance.

The side wall of the sealed cylinder 4 is provided with a heat absorbing layer 16. Making the sealing cylinder 4 more sensitive to temperature increases.

The utility model electrically connects the first binding post 2 and the second binding post 12 with the motor terminal, when the motor is overloaded, the circuit temperature will continuously rise, at this time, the lead 5 wound on the upper end of the sealed cylinder 4 will transfer the heat to the paraffin 8, the paraffin 8 will change from fixed to gas, thus the air pressure in the sealed cylinder 4 increases, the increased air pressure pushes the piston 6 to move towards the second binding post 12, the piston 6 drives the cross bar 7 to move towards the second binding post 12, the cross bar 7 supports the upper end of the vertical bar 9, the vertical bar 9 makes the lower end of the vertical bar 9 move away from the second binding post 12 under the rotation action of the sliding bar 15, at this time, the first contact block 10 and the second contact block 11 are separated, thus the automatic power cut-off can be realized, the protection efficiency is improved, the workload of the staff for on-site inspection is reduced, when the air pressure in the sealed cylinder 4 is reduced, the compressed spiral spring 13 will recover, this also brings the first contact block 10 into close contact with the second contact block 11, so that the motor is operated from a new time.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a be applied to motor controller port protection mechanism, includes mounting bracket (1), its characterized in that, mounting bracket (1) upper end fixed connection first terminal (2), mounting bracket (1) upper end inner wall fixed connection mount (3), mount (3) lateral wall fixed connection sealed cylinder (4), first terminal (2) electricity is connected wire (5), wire (5) twine on sealed cylinder (4) lateral wall, sealed cylinder (4) inner wall sliding connection piston (6), piston (6) one end fixed connection horizontal pole (7), horizontal pole (7) run through sealed cylinder (4) one end lateral wall, horizontal pole (7) and sealed cylinder (4) run through the department activity sealing connection, sealed cylinder (4) inner wall is kept away from horizontal pole (7) side and is provided with paraffin (8), and a protection device is arranged on the side of the cross rod (7) far away from the sealing cylinder (4).

2. The port protection mechanism applied to the motor controller according to claim 1, wherein the protection device comprises a vertical rod (9), one end of the cross rod (7) is fixedly connected with the side wall of the upper end of the vertical rod (9), the lower end of the vertical rod (9) is far away from the side of the sealing cylinder (4) and is fixedly connected with a first contact block (10), the inner wall of the mounting frame (1) is fixedly connected with a second contact block (11) fixedly connected with the first contact block (10), one end of the wire (5) is electrically connected with the first contact block (10), one end of the second contact block (11) is electrically connected with a second binding post (12), and the second binding post (12) is fixedly connected with the outer side wall of the mounting frame (1).

3. The port protection mechanism applied to the motor controller is characterized in that the upper end of the vertical rod (9) is fixedly connected with a spiral spring (13) at the side far away from the sealing cylinder (4), and one end of the spiral spring (13) is fixedly connected with the side wall of the mounting frame (1).

4. The port protection mechanism applied to the motor controller according to claim 2, wherein a vertical through groove (14) is formed in the middle of the vertical rod (9), a sliding rod (15) is slidably connected to the inner wall of the through groove (14), and one end of the sliding rod (15) is fixedly connected to the inner wall of the mounting frame (1).

5. The port protection mechanism applied to the motor controller is characterized in that the models of the first terminal (2) and the second terminal (12) are the same, and the joints of the first terminal (2) and the second terminal (12) and the mounting frame (1) are provided with insulating coating treatment.

6. The port protection mechanism applied to the motor controller is characterized in that the side wall of the sealing cylinder (4) is provided with a heat absorption layer (16).