CN218939568U

CN218939568U - Motor circuit breaker

Info

Publication number: CN218939568U
Application number: CN202222946218.9U
Authority: CN
Inventors: 葛维
Original assignee: Xi'an Yibang Da Electric Co ltd
Current assignee: Xi'an Yibang Da Electric Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-04-28
Anticipated expiration: 2032-11-07

Abstract

The utility model belongs to the technical field of motor outage devices, and discloses a motor circuit breaker. The four corners at the back of the shell are fixedly provided with connecting bases, the upper end inside the shell is fixedly provided with a protector outgoing line, the rear end of the protector outgoing line is fixedly provided with a three-phase incoming line terminal of the circuit breaker, and the three-phase incoming line terminal of the protector is linearly connected with the three-phase outgoing line terminal of the protector through a circuit breaker in the middle. The inner surface of the insulating protective shell is coated with an electrostatic and heat insulation protective layer, and the outer part of the insulating protective shell is fixedly connected with the three phase lines through three fixing clamping grooves. The signal sent by the remote terminal is received by the wireless transmission module, so that the remote control function is realized, the remote intelligent circuit breaking and the remote intelligent access are realized, and the household electricity is saved.

Description

Motor circuit breaker

Technical Field

The utility model belongs to the technical field of motor power-off devices, and particularly relates to a motor circuit breaker.

Background

Currently, a circuit breaker is a switching device capable of switching on and off a current under normal circuit conditions, and carrying and switching on and off a current under abnormal circuit conditions within a predetermined time, and the circuit breaker is classified into a high-voltage circuit breaker and a low-voltage circuit breaker according to its use range, and the high-voltage and low-voltage boundary line division is fuzzy, and is generally referred to as a high-voltage electrical apparatus of 3kV or more.

The utility model provides a prior art CN200720139866.6 motor protection circuit breaker specifically discloses that the protector appearance is similar with the circuit breaker appearance, the guide rail groove is the same, protector release transmission driving lever inserts the circuit breaker tripping hole, protector and circuit breaker are with connecting screw mechanical connection, three-phase power connection protector three-phase incoming wire terminal, power zero line connection protector zero line incoming wire terminal, protector three-phase outgoing wire connection circuit breaker three-phase incoming wire terminal, the connecting wire guard shield covers the connecting wire between protector and the circuit breaker, circuit breaker three-phase outgoing wire terminal is used for connecting three-phase motor, zero line outgoing wire terminal is used for connecting the motor casing, the top panel of protector and the top of circuit breaker are in the coplanar, there are current setting potentiometer knob and current setting potentiometer scale above, still function switch, reset connect button and pilot lamp.

However, in practical application, the protection circuit breaking action of the circuit breaker is completely dependent on the control of machinery to be turned on and off, all needs to be manually worn with insulating equipment to be turned on and off, and the switch is inconvenient, so that when the situation that the sight of extreme weather such as heavy rain, strong wind, sand dust and the like is poor is encountered, the danger is very easy to occur, and the circuit breaker lacks sensitivity to common electrical appliance fire, and cannot realize artificial intelligent circuit breaking and remote active circuit breaking.

Through the above analysis, the problems and defects existing in the prior art are as follows: the existing device is manually powered off, and when the device encounters extreme weather or inconvenient personnel to manually power off, the power supply of the whole motor unit is required to be cut off and then the power is cut off, so that the intelligent performance is low.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides a motor circuit breaker.

The utility model is realized in that a motor circuit breaker is provided with:

a housing;

the electromagnetic coil is connected with a controller in a linear mode, the controller is connected with a wireless device in a linear mode, and a power pin of the controller is connected with a detachable power supply on one side of the shell in a linear mode.

Further, the four corners at the back of the shell are fixedly provided with connecting bases, the upper end inside the shell is fixedly provided with a protector outgoing line, the rear end of the protector outgoing line is fixedly provided with a three-phase incoming line terminal of the circuit breaker, and the three-phase incoming line terminal of the protector is linearly connected with the three-phase outgoing line terminal of the protector through a circuit breaker in the middle.

Further, the circuit breaker is fixed in the insulating protection shell, static electricity and thermal-insulated protective layer are scribbled to insulating protection shell internal surface, the insulating protection shell outside is through three fixed draw-in groove fixed connection three-phase line, insulating protection shell intermediate position is fixed with concave spout, the spout internal fixation has circuit breaker.

Further, the lower end of the circuit breaker is fixed with a permanent magnet, the lower end of the permanent magnet is fixed with an electromagnetic coil, the electromagnetic coil is fixed on the shell through a protective cover, and the protective cover is made of plastic materials.

Further, the electromagnetic coil is linearly connected with the controller, the model of the controller is 80C51, the controller is linearly connected with the control circuit board, the control circuit board is linearly connected with the wireless receiver, and the wireless receiver is a high-pass filter.

Further, detachable power is equipped with the bottom plate, the bottom plate passes through the pin to be fixed inside the casing, the bottom plate both sides are equipped with power supply rail, the inside power that is connected with through the sliding tray of power supply rail, the power passes through socket connection circuit board.

In combination with the above technical solution and the technical problems to be solved, please analyze the following aspects to provide the following advantages and positive effects:

first, aiming at the technical problems in the prior art and the difficulty in solving the problems, the technical problems solved by the technical proposal of the utility model are analyzed in detail and deeply by tightly combining the technical proposal to be protected, the results and data in the research and development process, and the like, and some technical effects brought after the problems are solved have creative technical effects. The specific description is as follows:

according to the motor circuit breaker disclosed by the embodiment of the utility model, the electromagnetic coil and the magnetic induction contact are fixed in the shell, the magnetic induction contact is connected with the circuit breaker through the insulating connecting rod, the electromagnetic coil is linearly connected with the controller, the controller is linearly connected with the wireless device, and the signal sent by the remote terminal is received by the wireless transmission module, so that the motor circuit breaker has a remote control function, has a remote intelligent circuit breaking function and a remote intelligent passage, and saves household electricity.

Secondly, the technical scheme is regarded as a whole or from the perspective of products, and the technical scheme to be protected has the following technical effects and advantages:

the motor circuit breaker provided by the embodiment of the utility model has the advantages of simple structure and obvious effect, and can effectively perform the functions of remote power off and power on.

Drawings

Fig. 1 is a schematic diagram of a motor circuit breaker according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an electromagnetic coil according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a detachable power supply according to an embodiment of the present utility model;

in the figure: 1. a housing; 2. a connecting base; 3. three-phase outgoing line terminals; 4. a controller; 5. a detachable power supply; 6. an electromagnetic coil; 7. a permanent magnet; 8. an insulating protective shell; 9. a protective cover; 10. a bottom plate; 11. a power supply rail.

Detailed Description

The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

1. The embodiments are explained. In order to fully understand how the utility model may be embodied by those skilled in the art, this section is an illustrative embodiment in which the claims are presented for purposes of illustration.

As shown in fig. 1 to 3, a motor circuit breaker according to an embodiment of the present utility model is provided with: the device comprises a shell 1, a connecting base 2, a three-phase outgoing terminal 3, a controller 4, a detachable power supply 5, an electromagnetic coil 6, a permanent magnet 7, an insulating protective shell 8, a protective cover 9, a bottom plate 10 and a power supply guide rail 11. An electromagnetic coil 6 and a magnetic induction contact are fixed inside the shell 1, the magnetic induction contact is connected with a break switch through an insulating connecting rod, the electromagnetic coil 6 is linearly connected with the controller 4, the controller 4 is linearly connected with a wireless device, and a power pin of the controller 4 is linearly connected with a detachable power supply 5 on one side of the shell 1.

The four corners at the back of the shell 1 are fixedly provided with connecting bases 2, the upper end inside the shell 1 is fixedly provided with a protector outgoing line, the rear end of the protector outgoing line is fixedly provided with a three-phase incoming line terminal of a breaker, and the three-phase incoming line terminal of the protector is linearly connected with a three-phase outgoing line terminal 3 of the protector through a circuit breaker in the middle.

The circuit breaker is fixed in insulating protective housing 8, and insulating protective housing 8 internal surface scribbles static and thermal-insulated protective layer, and insulating protective housing outside is through three fixed draw-in groove fixed connection three phase lines, and insulating protective housing 8 intermediate position is fixed with concave spout, and the spout internal fixation has circuit breaker.

The lower end of the circuit breaker is fixed with a permanent magnet 7, the lower end of the permanent magnet 7 is fixed with an electromagnetic coil 6, the electromagnetic coil 6 is fixed on the shell 1 through a protective cover 9, and the protective cover 9 is made of plastic materials.

The electromagnetic coil 6 is linearly connected with the controller 4, the model number of the controller 4 is 80C51, the controller 4 is linearly connected with the control circuit board, the control circuit board is linearly connected with the wireless receiver, and the wireless receiver is a high-pass filter.

The detachable power supply 5 is provided with a bottom plate 10, the bottom plate 10 is fixed inside the shell 1 through pins, two sides of the bottom plate 10 are provided with power supply guide rails 11, a power supply is connected inside the power supply guide rails 11 through sliding grooves, and the power supply is connected with a circuit board through a socket.

When the motor circuit breaker is used, the detachable power supply 5 is firstly arranged on the bottom plate 10 through the sliding rail, then the power socket of the detachable power supply 5 is connected to the power pin of the circuit board, the electromagnetic coil 6 is controlled by the controller 4 to electrically attract the permanent magnet 7 when the motor is switched on, the permanent magnet 7 moves downwards, and the circuit breaker connects the three-phase incoming terminal with the three-phase outgoing terminal 3 to realize the electrifying of the motor. When the power is required to be cut off, after a cut-off instruction is obtained through the wireless device, the electromagnetic coil 6 is controlled by the controller 4 to obtain reverse current to realize the magnetic pole opposite to the permanent magnet 7, and the short-circuit switch is cut off through the principle of homopolar repulsion.

2. Application example. In order to prove the inventive and technical value of the technical solution of the present utility model, this section is an application example on specific products or related technologies of the claim technical solution.

The embodiment of the utility model relates to a motor circuit breaker, which is applied to motor control.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any modifications, equivalents, improvements and alternatives falling within the spirit and principles of the present utility model will be apparent to those skilled in the art within the scope of the present utility model.

Claims

1. A motor circuit breaker, characterized in that it is provided with:

a housing;

2. The motor circuit breaker of claim 1, wherein the four corners of the back of the shell are fixedly provided with connection bases, the upper end of the interior of the shell is fixedly provided with a protector outgoing line, the rear end of the protector outgoing line is fixedly provided with a three-phase incoming line terminal of the circuit breaker, and the three-phase incoming line terminal of the protector is linearly connected with the three-phase outgoing line terminal of the protector through a circuit breaker in the middle.

3. The motor circuit breaker of claim 1, wherein the circuit breaker is fixed in an insulating protective shell, the inner surface of the insulating protective shell is coated with an electrostatic and heat insulation protective layer, the outer part of the insulating protective shell is fixedly connected with three phase lines through three fixing clamping grooves, a concave sliding groove is fixed in the middle of the insulating protective shell, and the circuit breaker is fixed in the sliding groove.

4. The motor circuit breaker of claim 1, wherein a permanent magnet is fixed to the lower end of the circuit breaker, an electromagnetic coil is fixed to the lower end of the permanent magnet, the electromagnetic coil is fixed to the housing through a protective cover, and the protective cover is made of plastic material.

5. The motor circuit breaker of claim 1, wherein the electromagnetic coil is linearly connected to a controller, the controller model being 80C51, the controller being linearly connected to a control circuit board, the control circuit board being linearly connected to a wireless receiver, the wireless receiver being a high pass filter.

6. The motor circuit breaker of claim 1, wherein the detachable power source is provided with a bottom plate, the bottom plate is fixed inside the housing by pins, both sides of the bottom plate are provided with power supply guide rails, the power supply guide rails are internally connected with a power source by sliding grooves, and the power source is connected with the circuit board by sockets.