KR20230019399A - Remote operation device for circuit breaker - Google Patents

Abstract

The present invention discloses a remote operation device for a circuit breaker, capable of providing an effect of automatically switching an opening and closing control handle of a circuit breaker to an ON position and an OFF position in a remote place. The circuit breaker accommodated in a breaker case is fixed and mounted on the disclosed remote operation device for a circuit breaker so that a free end of the opening and closing control handle protrudes to the outside of the upper part of a breaker case at the OFF position and is exposed to one side of the breaker case at the ON position. Furthermore, the position of the opening and closing control handle can be automatically shifted from the ON position to the OFF position or from the OFF position to the ON position. The disclosed remote operation device for a circuit breaker includes: a support having a motor mounting unit in the upper part, wherein one side of the circuit breaker is fixed and mounted by being attached to one vertical side; and an opening and closing control handle shifting motor fixed and mounted on the motor mounting unit so that a rotation shaft is extended toward the circuit breaker, wherein a lever, which shifts the position of the opening and closing control handle from the OFF position to the ON position or from the ON position to the OFF position while normally and reversely rotating along the rotation shaft, is fixed and mounted on the rotation shaft.

Description

Remote operation device for circuit breaker {REMOTE OPERATION DEVICE FOR CIRCUIT BREAKER}

The present invention (Disclosure) relates to a remote control device for a circuit breaker capable of switching an open/close operation handle of a circuit breaker to an on or off position from a remote location.

Here, background art related to the present invention is provided, and they do not necessarily mean prior art (This section provides background information related to the present disclosure which is not necessarily prior art).

In general, a circuit breaker is a device that protects a circuit by stopping the current when a current higher than a specified level flows through the circuit, and is used for normal load opening and closing of the circuit and interruption of fault current.

The circuit breaker has a terminal part connected to the power supply side and the load side, a contact part having a fixed contactor and a movable contactor that connects or disconnects the circuit by contacting or separating the fixed contactor, and moving the movable contactor to provide power necessary for opening and closing the circuit. It includes a trip unit that induces a trip operation of the mechanism unit by detecting overcurrent or short-circuit current in the mechanical unit and the power supply side, and an arc extinguishing unit for extinguishing an arc generated when an abnormal current is cut off.

In such a circuit breaker, when a person manually manipulates an opening/closing handle using a hand, a contact of the circuit breaker is opened and closed to cut off or conduct electricity.

On the other hand, recently, circuit breakers capable of automatically manipulating the opening/closing handle from a remote place have been commercialized, and in these circuit breakers, switching and manipulating the opening/closing handle of the circuit breaker to the ON and OFF positions in accordance with an electric signal (command) is being commercialized. A remote control device is installed.

For example, the remote control device turns on or turns off the open/close handle of the circuit breaker by linearly reciprocating a lever into which the free end of the open/close handle is inserted from one stroke end to the other stroke end or from the other stroke end to one stroke end. switch to position

However, the above-described conventional remote control device has a problem in that it can be used only when the handle for opening and closing the circuit breaker protrudes from the outside of the breaker case at ON and OFF positions.

That is, in the conventional remote control device, as shown in FIG. 1, the free end side of the open/close handle H protrudes out of the circuit breaker case C in the OFF position, but the free end side of the open/close handle H in the ON position. When the circuit breaker case (C) is exposed to one side of the circuit breaker case (C) and accommodated in the circuit breaker case (C), the free end of the opening/closing handle (H) is separated from the lever, so that the above-described remote control device cannot be used.

Korean Registered Patent Publication No. 10-1287005. Korean Registered Patent Publication No. 10-0623931. Korean Registered Patent Publication No. 10-1168257. Korean Patent Publication No. 10-2019-0062992.

The present invention (Disclosure), when switching the open/close handle from the OFF position to the ON position, hits the open/close handle using rotational force, and when switching the open/close handle from the ON position to the OFF position, the open/close handle accommodated inside the circuit breaker case using rotational force One purpose is to provide a remote control device for a circuit breaker that can be drawn out and switched to an OFF position.

This section provides a general summary of the disclosure and is not a comprehensive disclosure of its full scope or all of its features).

In order to solve the above problems, according to one of the various aspects describing the present invention, the free end side of the opening/closing handle protrudes outward from the top of the circuit breaker case in the OFF position, and the opening/closing handle handle in the ON position A circuit breaker accommodated in the circuit breaker case is fixedly mounted so that the free end side of the circuit breaker is exposed to one side of the circuit breaker case, and the circuit breaker can automatically switch from the ON position to the OFF position or from the OFF position to the ON position. In the remote control device for a machine, the remote control device for a circuit breaker includes: a support having one side of the circuit breaker closely attached to and fixedly mounted on one vertical side, and having a motor seating portion provided on the top; And the rotary shaft is fixedly mounted on the motor seat so that it extends toward the circuit breaker, and the rotary shaft has a lever for switching the open/close operation handle from the OFF position to the ON position or from the ON position to the OFF position while forward and reverse rotation along the rotary shaft is fixedly mounted. It may include a; open/close operation handle conversion motor.

In the remote control device for a circuit breaker according to one aspect of the present invention, the lever includes a boss fixedly mounted on a rotating shaft; First and second knobs extending radially outward from the boss on an outer surface of the boss, wherein the first knob is an open/close handle that has been switched to an OFF position while rotating clockwise in a clockwise direction by the operation of an open/close handle conversion motor. Hit to switch to the ON position, and the second knob rotates counterclockwise counterclockwise by the operation of the open/close handle switch motor to lift the open/close handle that has been switched to the ON position and switch to the OFF position.

In the remote control device for a circuit breaker according to one aspect of the present invention, a hook hook spanning the free end of the open/close handle may be integrally formed at the extended end of the second knob.

In the remote control device for a circuit breaker according to one aspect of the present invention, the remote control device for a circuit breaker receives a control command transmitted in real time from a remote location to control the operation of a motor for switching an open/close handle. A controller; may further include.

According to the present invention, it is possible to provide the effect of automatically switching the open/close operation handle of the circuit breaker to the ON and OFF positions at a remote location.

According to the present invention, since the lever for switching the open/close handle to the ON and OFF positions is driven to rotate, when the open/close handle is switched from the ON position to the OFF position, the open/close handle accommodated in the circuit breaker case is drawn out using rotational force to the OFF position. It is possible to provide an effect that can be converted to .

1 is a view showing a circuit breaker related to the present invention, showing a state in which an open/close operation handle is switched to an ON position.
Figure 2 is a perspective view showing a remote control device for a circuit breaker according to the present invention.
3 is a view showing a state in which a circuit breaker is coupled to a remote control device for a circuit breaker according to the present invention, and a view showing a state in which the opening and closing handle of the circuit breaker is switched from the OFF position to the ON position by the lever of FIG. 2 .
4 is a view showing a state in which a circuit breaker is coupled to a remote control device for a circuit breaker according to the present invention, and a view showing a state in which the opening and closing handle of the circuit breaker is switched from the OFF position to the ON position by the lever of FIG. 2 .

Hereinafter, an embodiment in which a remote control device for a circuit breaker according to the present invention is implemented will be described in detail with reference to the drawings.

However, the essential (intrinsic) technical idea of the present invention cannot be said to be limited by the embodiments described below, and based on the essential (intrinsic) technical idea of the present invention, a person skilled in the art below It is revealed that the embodiments described in include the range that can be easily proposed as a method of substitution or change.

In addition, since the terms used below are selected for convenience of description, in grasping the essential (intrinsic) technical idea of the present invention, they are not limited to the dictionary meaning and are appropriately interpreted in a meaning consistent with the technical idea of the present invention. It should be.

Among the accompanying drawings, FIGS. 2 to 4 are views showing a remote control device for a circuit breaker according to the present invention.

Referring to FIG. 2 , the remote control device 100 for a circuit breaker according to the present invention includes an opening/closing handle conversion motor 120 and a support 110 supporting the opening/closing manipulation handle conversion motor 120 .

First, the support 110 is provided in a block shape having a predetermined thickness, and on one vertical side of the support 110, as shown in FIGS. 3 and 4, one side of the circuit breaker B is adhered and fixed. is fitted

Here, in the circuit breaker (B), as shown in FIG. 1, the free end side of the open/close handle (H) protrudes outward from the top of the breaker case (C) in the OFF position, and the open/close handle (H) in the ON position. A circuit breaker (B) accommodated inside the breaker case (C) such that the free end side is exposed to one side of the breaker case (C).

On the other hand, the upper side of the support 110 adjacent to the open/close handle H of the circuit breaker B is provided with a motor seating portion 112 on which the open/close handle conversion motor 120 is seated and installed, and the support ( 110) is formed with a fastening groove 114 fitted to a distribution board plate (not shown) together with the circuit breaker B.

The open/close operation handle conversion motor 120 automatically switches the open/close operation handle H of the circuit breaker B from the ON position to the OFF position or from the OFF position to the ON position.

The opening/closing operation handle switching motor 120 is provided on the upper side of the support 110 so that the rotating shaft 122 (see FIGS. 3 and 4) extends toward the circuit breaker B fixedly mounted on one side of the support 110. It is fixedly mounted on the motor seating part 112 .

On the other hand, the rotation shaft 122 of the open/close handle switch motor 120 extended toward the circuit breaker (B) turns off the open/close handle H of the circuit breaker B by the operation of the open/close handle switch motor 120. A lever 124 for switching from the ON position to the ON position or from the ON position to the OFF position is fixedly mounted.

That is, the lever 124 turns the open/close handle H of the circuit breaker B from the OFF position to the ON position while forward or reverse rotation along the rotation shaft 122 by the operation of the open/close handle conversion motor 120. or switch from the ON position to the OFF position.

As shown, the lever 124 includes a boss 126 fixedly mounted on the rotation shaft 122, and first and second knobs 128 extending radially outward from the boss 126 on the outer surface of the boss 126. , 130).

The first knob 128 hits the open/close handle H, which has been switched to the OFF position while rotating clockwise by the operation of the open/close handle conversion motor 120, to turn it into the ON position (see FIG. 3).

In addition, the second knob 130 rotates in a counterclockwise direction by the operation of the opening/closing handle conversion motor 120 and the opening/closing handle H, that is, the opening/closing handle accommodated in the circuit breaker case C, which has been switched to the ON position. Lift the operating handle (H) and switch it to the OFF position (see Fig. 4).

At this time, a hook ring 132 is integrally formed at the extended end of the second knob 130 to span the free end side of the opening/closing handle H, and the inside of the circuit breaker case C by the hook ring 132 The open/close operation handle (H) accommodated as is easily withdrawn from the breaker case (C) and switched to the OFF position.

On the other hand, the remote control device 100 for a circuit breaker according to the present invention receives a control command transmitted in real time from a remote operator and switches the open/close handle H to an ON or OFF position. It further includes a controller 140 that controls the 120.

Here, the control unit 140 is connected to the terminal T owned by the operator using various short-range communications, and a control command received by the control unit 140 may be set through the terminal T.

As an example, the terminal T may be a normal remote control, and the connection relationship between the remote control and the control unit 140 and the operation of the motor 120 for switching the open/close operation handle according to the signal of the control unit 140 are well known. Since it is a technique, a detailed description is omitted.

In addition, as an example, the terminal (T) may be a normal smart phone. When the terminal (T) is a smart phone, a control command may be set through an application installed on the smart phone.

Here, since the application installed in the smart phone and the connection relationship between the control unit 140 and the operation of the opening/closing handle switching motor 120 according to the signal of the control unit 140 are well-known techniques, detailed descriptions thereof will be omitted.

Hereinafter, the operating state of the remote control device 100 for a circuit breaker according to the present invention formed as described above will be briefly described.

As shown in FIG. 3 , in order to switch the open/close handle H, which has been switched to the OFF position, to the ON position, the operator outputs a control command to the control unit 140 using the terminal T.

When a control command is output to the control unit 140 through the terminal T, the control unit 140 forwardly rotates the rotating shaft 122 of the open/close handle switching motor 120 clockwise according to the received control command.

In addition, the lever 124 and the first nose 128 of the lever 124 also rotate clockwise along the rotation shaft 122, and at this time, the first knob 128 is switched to the OFF position. ) so that the open/close operation handle (H) is switched to the ON position (see FIG. 3).

At this time, when the conversion of the open/close handle H to the ON position is completed, the controller 140 operates the open/close handle switch motor 120 so that the first knob 128 is returned.

Conversely, as shown in FIG. 4 , in order to switch the open/close handle H, which has been switched to the ON position, to the OFF position, the operator outputs a control command to the control unit 140 using the terminal T.

When a control command is output to the control unit 140 through the terminal T, the control unit 140 reversely rotates the rotating shaft 122 of the opening/closing handle converting motor 120 counterclockwise according to the received control command.

In addition, the lever 124 and the second knob 130 of the lever 124 also rotate counterclockwise along the rotation shaft 122, and at this time, the hook ring 132 integrally formed at the extended end of the second knob 128 is over the free end side of the opening/closing handle H, and is switched to the OFF position as the open/close handle H is lifted by the second knob 130 which continues to rotate in reverse (see FIG. 4).

At this time, when the conversion of the open/close handle H to the OFF position is completed, the controller 140 operates the open/close handle switch motor 120 so that the second knob 130 returns.

The remote control device 100 for a circuit breaker according to the present invention formed as described above enables the opening/closing handle H of the circuit breaker B to be automatically switched to ON and OFF positions from a remote location.

In addition, in the remote control device 100 for a circuit breaker according to the present invention, since the lever 124 for switching the open/close handle H to the ON and OFF positions is driven to rotate, the open/close handle H moves from the ON position to the OFF position. ) At the time of conversion, the open/close operation handle (H) accommodated inside the circuit breaker case (C) is pulled out using rotational force to switch it to the OFF position.

In the foregoing, although specific embodiments of the present invention have been described and shown, the present invention is not limited to the described embodiments, and it is common knowledge in the art that various modifications and variations can be made without departing from the spirit and scope of the present invention. It is self-evident to those who have Therefore, such modifications or variations should not be individually understood from the technical spirit or viewpoint of the present invention, and modified embodiments should fall within the scope of the claims of the present invention.

Claims (1)

A circuit breaker is fixedly mounted so that the free end of the open/close handle protrudes outward from the top of the breaker case in the OFF position and is accommodated inside the breaker case so that the free end of the open/close handle is exposed to one side of the breaker case in the ON position. In the remote control device for a circuit breaker, which can automatically switch the opening and closing handle from an ON position to an OFF position or from an OFF position to an ON position,
The remote control device for the circuit breaker,
a support on which one side surface of the circuit breaker is closely attached to and fixedly mounted on one vertical side surface, and a motor seating portion is provided on the upper portion; and
A rotary shaft is fixedly mounted on the motor seat so as to extend toward the circuit breaker, and a lever on the rotary shaft converts the open/close operation handle from an OFF position to an ON position or from an ON position to an OFF position while rotating forward and backward along the rotary shaft. A remote control device for a circuit breaker comprising a; opening/closing handle conversion motor to which is fixedly mounted.

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