KR101165755B1

KR101165755B1 - Circuit breaker operating apparatus and circuit breaker using the same

Info

Publication number: KR101165755B1
Application number: KR20100129447A
Authority: KR
Inventors: 변영철
Original assignee: 국방과학연구소
Priority date: 2010-12-16
Filing date: 2010-12-16
Publication date: 2012-07-18
Also published as: KR20120067832A

Abstract

The present invention relates to a circuit breaker operating device, comprising: a body coupled to a circuit breaker, a first slide coupled to the body and slidably contacting a switch of the circuit breaker to switch the switch in one direction, and to the body. A second slide coupled to be slidably and in contact with a switch of the circuit breaker to switch the switch in another direction, an operation unit for slidably moving the first slide and the second slide, and the first slide and the By including a restoring member for restoring the first slide to the initial position, it is possible to use the circuit breaker under environmental conditions requiring watertightness and moisture resistance while satisfying the various capacity and characteristics of the circuit breaker.

Description

CIRCUIT BREAKER OPERATING APPARATUS AND CIRCUIT BREAKER USING THE SAME}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a circuit breaker operating device, and more particularly, to a circuit breaker operating device capable of indirectly turning on / off a circuit breaker with a watertight structure.

Miniature Circuit Breakers (MCBs) are devices installed in electrical circuits to protect the grid of home or industrial distribution boards, and protect the lower stage or load by cutting off overload, overcurrent or short-circuit and dangerous currents on the short line. to be.

1 is a plan view illustrating a general circuit breaker.

As shown in FIG. 1, since a circuit breaker 200 having a switch type, which is generally widely used, is not guaranteed to be watertight, it is limited to being exposed to environmental conditions requiring watertightness and moisture resistance.

Therefore, in environmental conditions requiring watertightness and moisture resistance, the circuit breaker 200 is generally installed inside the housing, and the housing is opened and used during operation.

However, in the case of opening and using the housing at the time of operation as described above, it is not possible to quickly maintain the operability.

Products to cover the switch 210 of the circuit breaker 200 with silicon rubber have been released to improve the operation and environmental conditions, but limited to a specific product is limited to satisfy various capacities and characteristics of the circuit breaker 200. There is.

Therefore, while satisfying various capacities and characteristics of the circuit breaker 200, there is a need for a method for enabling the circuit breaker 200 to be used in environmental conditions requiring watertightness and moisture resistance.

The present invention has been made in view of the above-mentioned, circuit breaker operating device and circuit using the same to satisfy the various capacity and characteristics of the circuit breaker while being able to use the circuit breaker in watertight, moisture-resistant environment Provide a breaker.

According to another aspect of the present invention, a circuit breaker operating device includes: a body open at one side thereof and coupled to a circuit breaker; A slide and a second slide slidably coupled to the body and contacting a switch of the circuit breaker to switch the switch in the other direction, and an operating unit slidably moving the first slide and the second slide; And a restoring member for restoring the first slide and the first slide to an initial position.

In the circuit breaker operating device, the restoration member may be a spring.

The circuit breaker operating device may further include a stopper coupled to the body and contacting the first slide or the second slide to determine an initial position of the first slide or the second slide.

The circuit breaker operating device may further include a stopper coupled to the body and determining a maximum sliding distance of the first slide or the second slide.

The circuit breaker operating device may include a pin in a direction perpendicular to a sliding direction of the first slide and the second slide, and the operation unit may slide by pressing the pin in the sliding direction.

The circuit breaker operating device may be installed such that the first slide and the second slide overlap each other.

In the circuit breaker operating device, the first slide and the second slide may have an 'S' shape.

The circuit breaker operating device includes an operating handle, the operating unit is installed on one surface of the body, one side is coupled to the operation handle and transfers the movement of the operation handle, and one side is coupled to the shaft and the It may be configured to include a lever for sliding the first slide and the second slide in accordance with the movement.

The circuit breaker operating device may be returned to the initial position by returning the lever after the on / off operation, as the operating handle is a rotary operating handle.

The circuit breaker operating device may include a protrusion in which the lever extends to one side from the center and the center where the hole is formed, and the protrusion and the pin contact each other to slide the first slide and the second slide.

The circuit breaker operating device may further include a lamp indicating an on / off state of the circuit breaker.

Circuit breaker according to an aspect of the present invention, the body forming the appearance, the first slide coupled to the body slidably and in contact with the circuit breaker switch to switch the switch in one direction, slidably coupled to the body And a second slide for contacting the circuit breaker switch to switch the circuit breaker switch in the other direction, an operation unit for slidably moving the first slide and the second slide, and the first slide and the first slide. It includes a restoration member for restoring to the initial position.

According to the circuit breaker operating device and the circuit breaker of the present invention, the electric circuit or switchboard requiring the circuit breaker while satisfying the various capacity and characteristics of the circuit breaker is exposed to the external environment (watertight, moisture resistant, vibration, shock). It is possible.

In addition, according to the circuit breaker operating device and the circuit breaker of the present invention, the operator does not need to open the front panel and can operate the circuit breaker at the front panel at any time.

In addition, according to the circuit breaker operating device and the circuit breaker of the present invention, there is no mechanical interference with the circuit breaker switch so that vibration or shock is not transmitted to the circuit breaker switch by mechanical contact.

In addition, according to the circuit breaker operating device of the present invention, the overload device does not interfere with the breaking function of the circuit breaker, and the force is not applied to the circuit breaker switch.

1 is a diagram illustrating a general circuit breaker.
Figure 2 is a plan view showing a circuit breaker operating device according to an embodiment of the present invention.
3 is a conceptual diagram illustrating a form in which a circuit breaker operating device and a circuit breaker are coupled according to an embodiment of the present invention.
4 is a cross-sectional view illustrating a cross section taken along AA in FIG. 2.
Figure 5 is a plan view showing a state in which the slide of the circuit breaker operating device is coupled according to an embodiment of the present invention.
Figure 6 is a bottom view showing a state in which the slide of the circuit breaker operating device is coupled according to an embodiment of the present invention.
Figure 7 is a conceptual diagram showing the operation of the circuit breaker operating device according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, It will be possible. The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a plan view illustrating a circuit breaker operating device according to an embodiment of the present invention, and FIG. 3 is a conceptual view illustrating a form in which the circuit breaker operating device and the circuit breaker are coupled according to an embodiment of the present invention.

Referring to the drawings the circuit breaker operating device 100 according to an embodiment of the present invention is provided with a handle 41 to the outside of one side is made to operate the circuit breaker operating device 100 and the handle 41 is The circuit breaker 200 is coupled to the opposite side provided.

Also, as shown in FIG. 2, the lamp 11a may be provided to the outside of the circuit breaker operating device 100. When the lamp 11a is provided as described above, it is possible to check the on / off state of the circuit breaker 200 from the outside.

Figure 4 is a cross-sectional view showing a cross section of the AA direction of Figure 2, Figure 5 is a plan view showing a state in which the slide of the circuit breaker operating device according to an embodiment of the present invention is coupled, Figure 6 is an embodiment of the present invention The bottom view showing a state in which the slide of the circuit breaker operating device according to the coupled.

Referring to the drawings, the circuit breaker operating device 100 according to an embodiment of the present invention includes a body 10, a first slide 20, a second slide 30, an operation unit 40, and a restoring member. Including the springs 51 and 52.

The body 10 is open at one side and is coupled with the circuit breaker 200 to seal the coupling portion with the circuit breaker 200.

Referring to the drawings, the body 10 includes a box 12 having a rectangular parallelepiped shape on both sides thereof, and a cover 11 covering one open side of the box 12. The box 12 and the top cover 11 are coupled to achieve watertightness, and the other open side of the box 12 and the circuit breaker 200 are also coupled to achieve watertightness.

The first guide 13, the second guide 14, and the third guide 15 are formed on the inner surface of the box 12, and the first slide 20 and the second slide 30, which will be described later, are respectively described above. It is made to slide in engagement with the groove formed between the guide.

In addition, the body 10 is in contact with the first slide 20 and the first slide 20 to determine the initial position of the first slide 20 in contact with the first slide 20 which will be described later to the first It may be provided with a 1-2 stopper 17 for determining the maximum sliding distance of the slide (20).

On the other hand, the body 10 is in contact with the second slide 30 which will be described later to determine the initial position of the second slide 30 and the second-first stopper 18 and the second slide 30 in contact with the second It may be provided with a second-2 stopper 19 for determining the maximum sliding distance of the slide (30).

By providing the stopper as described above, it is possible to accurately set the initial positions of the first slide 20 and the second slide 30, and limit the maximum sliding distance to the first slide 20 and the second slide 30. Can be prevented from operating beyond the limit.

The cover 11 may further include a lamp 11a indicating an on / off state of the circuit breaker 200. When the lamp 11a is provided, the cover 11 is turned on as described above. It is possible to check the on / off status externally.

The first slide 20 is slidably coupled to the body 10 and contacts the switch 210 of the circuit breaker 200 to switch the switch 210 of the circuit breaker 200 in one direction.

Referring to the drawings, a guide coupling portion 33 is formed on the first slide 20 to be coupled to a groove formed by the first guide 13 and the second guide 14 of the body 10 to slide. One side of the first slide 20 is contacted and pressed by the switch 210 of the circuit breaker 200 by a sliding motion to switch the switch 210 of the circuit breaker 200 in one direction.

In the present embodiment, the first slide 20 is configured to switch the circuit breaker 200 in the on direction.

The second slide 30 is slidably coupled to the body 10 and contacts the switch 210 of the circuit breaker 200 to switch the switch 210 of the circuit breaker 200 in the other direction.

Referring to the drawings, the second slide 30 has a shape substantially the same as that of the first slide 20. Guide coupling portion 33 is also formed in the second slide 30 to be coupled to the groove formed by the second guide 14 and the third guide 15 of the body 10 and sliding and sliding movement As a result, one side of the second slide 30 contacts and presses the switch 210 of the circuit breaker 200 to switch the switch 210 of the circuit breaker 200 in the other direction.

In the present embodiment, the second slide 30 is configured to switch the circuit breaker 200 in the off direction.

In addition, the first slide 20 and the second slide 30 is formed in a substantially S-shaped groove formed in parallel with each other from both sides of the rectangular plate, the first slide 20 and the second slide 30 is provided so that it may overlap in double.

As described above, the first slide 20 and the second slide 30 have an S-shape and are overlapped in duplicate so that the first slide 20 and the second slide 30 overlap the grooves of the first slide 20 and the grooves of the second slide 30. It is possible to position the switch 210 in the space made by it and to save the space in which the slide is installed.

In addition, the first slide 20 and the second slide 30 is preferably formed with protrusions 21 and 31 to be coupled to each other. Accordingly, the protrusion 21 of the first slide 20 is positioned in the groove of the second slide 30, and the protrusion 31 of the second slide 30 is the groove of the first slide 20. The first slide 20 and the second slide 30 can be maintained at the correct position.

The first slide 20 and the second slide 30 are provided with pins 22 and 32 in a direction perpendicular to the sliding direction, and an operation unit 40 to be described later slides the pins 22 and 32 in a sliding direction. It is made to slide by contacting and pressing.

Here, the pins 22 and 32 may be formed integrally with the first slide 20 or the second slide 30, but may be formed separately and may be coupled through screwing or the like. As described above, when the pins 22 and 32 are separately formed and coupled, the pins 22 and 32 can be easily replaced when the pins 22 and 32 are damaged due to frequent contact with the operation unit 40, thereby making maintenance easier. .

The operation unit 40 operates to slide the first slide 20 and the second slide 30.

Referring to the drawings, the operation unit 40, the operation handle 41 is installed on one surface of the body 10, one side is coupled to the operation handle 41 and transmits the movement of the operation handle 41 And a lever 43 coupled to one side of the shaft 42 and sliding the first slide 20 and the second slide 30 according to the movement of the shaft 42. It is configured by.

At this time, the operation handle 41 is a rotary operation handle 41, it is returned to the initial position after the on / off operation by the action of a spring or the like provided in the operation handle 41. Accordingly, the lever 43 integrated and coupled through the shaft is also returned to the initial position.

The support plate 48 is coupled to the shaft. The support plate 48 is coupled to the box 12 of the body 10. In addition, the bearing 44 is installed in a portion where the shaft and the support plate 48 are coupled. When this configuration is adopted, it is possible for the shaft to rotate more smoothly.

The lever 43 is coupled by a shaft and a fastener 47, and is composed of a central portion 43a in which a hole is formed and a protrusion 43b extending from one side to a central portion, and the protrusion 43b and the pin 22. , 32 contacts and slides the first slide 20 and the second slide 30.

In the present embodiment, the operating handle 41 is capable of rotating left and right, and the lever 43 is configured to rotate left and right by rotating the shaft accordingly, but the lever 43 is operated by operating the operating handle 41. It is also possible to adopt a different configuration for sliding movement of the first slide 20 and the second slide 30 by the movement.

The restoring member is coupled to the first slide 20 and the second slide 30 and returns the first slide 20 and the second slide 30 to which the switching operation is completed, to the initial position.

For example, the restoring member may be configured using an active movement element such as a cylinder or a motor, or may be configured using an elastic element such as a spring. In this embodiment, springs 51 and 52 are employed as the restoring member.

In the case of employing an active movement element such as a cylinder or a motor as a restoring member, a sensing means and a control means for detecting the sliding movement of the first slide 20 or the second slide 30 are required. In the case of a spring, by setting the operation handle 41 to the initial position as described above, it is possible to return the first slide 20 and the second slide 30 to the original position with a simple configuration.

When the restoration member is employed as described above, the space formed by the first slide 20 and the second slide 30 and in which the switch 210 of the circuit breaker 200 is located at all times can be maintained at a constant level. Since the 20 and the second slide 30 can be kept in contact with the switch 210 except for the operating state, the vibration or shock applied to the circuit breaker operating device 100 is controlled by the switch of the circuit breaker 200. Is not passed to 210. In addition, when the overload operation device does not interfere with the blocking function of the circuit breaker 200 and accordingly, an excessive force is not applied to the switch 210 of the circuit breaker 200.

In addition, in the above description, the circuit breaker operating device 100 attached to the single circuit breaker 200 has been described. However, when the circuit breaker 200 is configured in plural in a predetermined arrangement, the circuit breaker 200 corresponds to each circuit breaker 200. It is possible to construct an assembly of the circuit breaker operating device 100, and it is also possible to implement the circuit breaker 200 including the circuit breaker operating device 100.

Next, the operation of the circuit breaker operating device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

7 is a conceptual diagram illustrating that the switch is turned on by the operation of the circuit breaker operating apparatus according to an embodiment of the present invention.

In the present operation description, the operating handle 41 is capable of returning and rotating, but may be applied to other operating handles 41. In addition, the spring is used as the restoring member, but this can also be applied to other restoring members.

In the initial state as shown in FIG. 7A, when the operator rotates the operating handle 41 in the on direction, the shaft coupled to the operating handle 41 rotates integrally with the operating handle 41 and is rotated to the shaft by the rotational movement of the shaft. The lever 43 that is engaged rotates.

The rotated lever 43 is in contact with the first pin 22 to press the first guide 13 and the first slide 13 is formed in the main body is the first slide 20 to which the first pin 22 is coupled It slides along the groove formed by the two guides 14. At this time, the first spring 51 is tensioned and the first slide 20 is in the state of FIG. 7B in contact with the switch 210 of the circuit breaker 200.

In this state, when the lever 43 is further rotated, the first spring 51 is further tensioned, and the protrusion 21 formed on the first slide 20 pushes the switch 210 of the circuit breaker 200 in the on direction. It turns into the state of FIG. 7C which turns on 210. At this time, the on state can be displayed using the lamp 11b.

Next, when the operation of the operation handle 41 is stopped, the operation handle 41 returns to the original position, and thus the lever 43 also returns to the original position. As a result, the switch 210 of the circuit breaker 200 is in a state of FIG. 7D which is not interrupted by the first slide 20 and the second slide 30.

In the case of rotating the operation handle 41 in the off direction, the switch 210 of the circuit breaker 200 is turned off and the operation handle 41 is returned through the above process.

In the detailed description of the present invention described above with reference to the preferred embodiments of the present invention, those skilled in the art or those skilled in the art having ordinary skill in the art will be described in the claims to be described later And it will be understood that various modifications and changes of the present invention can be made without departing from the scope of the art.

10: body 11: cover
11a: lamp
12: box 13: first guide
14: second guide 15: third guide
16: 1-1 Stopper 17: 1-2 Stopper
18: 2-1 stopper 19: 2-2 stopper
20: first slide 21: protrusion
22: first pin 30: second slide
31: protrusion 32: second pin
33: guide coupling
40: operating unit 41: handle
42: axis of rotation 43: lever
44: bearing 45: cover
46: fastener 47: fastener
48: support plate 51: first spring
52: second spring 100: circuit breaker operating device
200: circuit breaker 210: switch

Claims

A body which is open at one side and coupled to the circuit breaker;
A first slide slidably coupled to the body and contacting the switch of the circuit breaker to switch the switch in one direction;
A second slide slidably coupled to the body and contacting the switch of the circuit breaker to switch the switch in another direction;
An operation unit which operates to slide the first slide and the second slide; And
Restoration member for restoring the first slide and the first slide to the initial position
Circuit breaker operating device comprising.

The method of claim 1,
The circuit breaker operating device, characterized in that the restoring member is a spring.

The method of claim 1,
And a stopper coupled to the body and in contact with the first slide or the second slide to determine an initial position of the first slide or the second slide.

The method of claim 1,
And a stopper coupled to the body and determining a maximum sliding distance of the first slide or the second slide.

The method of claim 1,
The first slide and the second slide is provided with a pin in a direction perpendicular to the sliding direction and the circuit breaker operating device, characterized in that the operating unit is sliding by pressing the pin in the sliding direction.

The method of claim 1,
At least a portion of the first slide and the second slide are arranged to overlap each other.

The method of claim 6,
The first slide and the second slide circuit breaker operating device, characterized in that the 'S' shape.

The method of claim 1,
The operation unit,
An operation handle installed on one surface of the body, one side of which is coupled to the operation handle and transmits the movement of the operation handle, and one side of which is coupled to the axis and the first slide and the second slide according to the movement of the axis. Circuit breaker operating device, characterized in that it comprises a lever for sliding movement.

The method of claim 8,
The operating handle is a rotary operating handle, circuit breaker operating device, characterized in that returned to the initial position by the return of the lever after the on / off operation.

The method of claim 8,
The lever is a circuit breaker operating device characterized in that the center is formed with a hole extending from one side from the center and the hole is formed and the protrusion and the pin is in contact with the sliding sliding movement of the first slide and the second slide.

The method of claim 1,
And a lamp for indicating an on / off state of the circuit breaker.

In circuit breaker,
Body forming the appearance of the circuit breaker;
A first slide slidably coupled to the body and contacting the circuit breaker switch to switch the switch in one direction;
A second slide slidably coupled to the body and contacting the circuit breaker switch to switch the circuit breaker switch in another direction;
An operation unit which operates to slide the first slide and the second slide; And
And a restoring member for restoring the first slide and the first slide to an initial position.