KR101303220B1 - The removable safe electric breaker will be able to change from the condition where the electricity leads - Google Patents

The removable safe electric breaker will be able to change from the condition where the electricity leads Download PDF

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Publication number
KR101303220B1
KR101303220B1 KR1020100023383A KR20100023383A KR101303220B1 KR 101303220 B1 KR101303220 B1 KR 101303220B1 KR 1020100023383 A KR1020100023383 A KR 1020100023383A KR 20100023383 A KR20100023383 A KR 20100023383A KR 101303220 B1 KR101303220 B1 KR 101303220B1
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KR
South Korea
Prior art keywords
breaker
groove
pin
base portion
base
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KR1020100023383A
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Korean (ko)
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KR20110104309A (en
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홍승우
김진욱
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김진욱
홍승우
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Priority to KR1020100023383A priority Critical patent/KR101303220B1/en
Publication of KR20110104309A publication Critical patent/KR20110104309A/en
Application granted granted Critical
Publication of KR101303220B1 publication Critical patent/KR101303220B1/en

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)

Abstract

The present invention relates to a removable safety circuit breaker, a first base part electrically connected to a power supply side and including at least one groove on one surface, a second base part electrically connected to a load side and including at least one groove on one surface, And a plurality of pins (formed by protrusion-type holes and fastening bolts) coupled to grooves of the first and second base parts on one surface thereof, and a detaching part detachable from the first and second base parts and controlling the flow of current.
According to the present invention, the risk of electric shock and short circuit occurring in the process of disconnecting the power and load wires during repair or replacement due to aging, burnout, and breakage of the breaker reduces the risk of electric shock and short circuit while maintaining the voltage supply of other load devices. Can be replaced quickly and safely, thereby reducing the electrical energy.

Description

The removable safe electric breaker will be able to change from the condition where the electricity leads}

The present invention relates to a removable safety circuit breaker that is electrically connected to the power supply side and the load side, and can be replaced in a live state without opening the power supply when a failure occurs in the breaker for controlling the flow of current.

The switchboard is provided with one or more breakers in order to automatically disconnect the power path in the event of an electrical short circuit so as to prevent the possibility of electric shock and a fire caused by the electrical short circuit.

In case of switchgear, the busbar is connected to the primary side in the distribution box and the cable is connected to the secondary side, and then the switch of the breaker is used.In the distribution box, the primary side is connected with the cable and the secondary side is connected with the cable. Turn ON to use.

However, if a breaker breaks down, switch off the breaker and disconnect the primary power and then disconnect the secondary cable to replace the breaker. The problem arises of a power outage in both load devices.

When the breaker is replaced or repaired in the live state without opening the primary power, there is a high risk of electric shock and short circuit accident.

Therefore, new ways are needed to safely replace or repair breakers without affecting other load devices.

The present invention forms a base portion on each of the power supply side and the load side in order to solve the problems of the prior art, by combining the breaker to easily detachable to the upper end of the base portion, removable safety that can safely repair or replace the breaker even when the power supply side live The purpose is to provide a breaker.

In another aspect, the present invention is to provide a removable safety circuit breaker that can provide a stable current supply by improving the closeness of the groove of the base portion and the pin of the base portion by cutting the pins, in particular the lower end of the protruding hole used for coupling the blocking portion and the base portion. There is a purpose.

The objects of the present invention are not limited to the above-mentioned objects, and other objects and advantages of the present invention which are not mentioned can be understood by the following description, and will be more clearly understood by the embodiments of the present invention. It will also be readily apparent that the objects and advantages of the invention may be realized and attained by means of the instrumentalities and combinations particularly pointed out in the appended claims.

In order to achieve the above object, the present invention is fixed and formed with a plurality of grooves formed in the first and second base portions respectively connected to the power supply side and the load side, and a plurality of pins coupled to the grooves are formed in parallel. Can be combined to provide a removable safety breaker that can be replaced in the live state.

The present invention provides a circuit breaker for electrically connecting a transformer and a load device, comprising: a first base part electrically connected to a power supply side and including at least one groove on one surface thereof, and electrically connected to the load side and at least one groove on one surface thereof; A second base portion, and a plurality of pins coupled to a groove of the first base portion and a groove of the second base portion on one surface thereof, and detachable from the first and second base portions, and blocking the current flow. It may include wealth.

In the present invention, the pins may be formed in pairs in parallel to both ends of the blocking unit. That is, the grooves of the first base portion and the second base grooves are formed in parallel to be spaced apart from each other by a predetermined interval, and the pins coupled thereto may also be formed in parallel by being spaced apart at predetermined intervals on both sides of one surface of the blocking portion coupled to the first and second bases. Can be.

In the present invention, the pin may include a hollow cylindrical protrusion hole and a fastening bolt fastened to the protrusion hole. The pin may be formed integrally or separately from the circuit breaker, and preferably may be formed integrally.

In the present invention, the protruding hole includes a screw groove which is fastened to the fastening bolt on an inner surface, and includes a fastening bolt that is fastened to the protruding hole by including at least one cut line on a surface engaging with the first and second base parts. When it is open to the incision surface of the protruding hole can be in close contact with the first and second base parts. In this case, the pin and the fastening bolt may be formed of a metal having high electrical conductivity so as to be electrically connected to the first and second base parts.

In the present invention, the length of the pin is formed longer than the height of the breaker, so that the portion of the pin protruding out of the breaker can be inserted into the groove of the first and second base parts.

In the present invention, the pin coupled to the groove of the second base portion and the pin coupled to the groove of the first base portion may be formed to be spaced apart by a predetermined distance in the longitudinal direction of the blocking portion to adjust the distance between the first and second base portions. Any length of break can be used.

The present invention can improve the safety of the technician by separating or repairing the breaker by disconnecting the pin portion without breaking the wires connected to the transformer and the load when the breaker that controls the current flow of the transformer and the load devices, the breakage and damage It works.

In addition, as the breaker is repaired and replaced while the wires are connected, that is, while the power is still supplied from the transformer, continuous power supply is provided to other load devices connected to the transformer to prevent large power failures and thereby prevent energy loss. It can work.

In addition, the pin formed by inserting the fastening bolt into the cutout hole in which the lower end is cut is coupled to the groove of the blocking portion, thereby increasing electrical coupling and adhesion between the blocking portion and the pin, thereby improving electrical conductivity, thereby enabling stable current control.

1a and 1b is a view showing a removable safety circuit breaker according to an embodiment of the present invention.
2a and 2b is a view showing the pin of the removable safety circuit breaker according to an embodiment of the present invention.

The above and other objects, 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, in which: It can be easily carried out. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1a and 1b is a view showing a removable safety circuit breaker according to an embodiment of the present invention.

1A and 1B, the fixed first and second base parts 100A and 100B and a detachable blocking part 120 are included.

The first base part 100A and the second base part 100B have the same or similar structure, and are formed to be spaced apart from each other by a predetermined interval or close to each other according to the length of the blocking part 120.

In FIG. 1, the internal structures of the first base part 100A and the second base part 100B are different from each other, but the present invention is not limited thereto and may have the same structure.

The first base portion 100A includes a plurality of grooves 102 that can be coupled to the pins 124 of the blocking portion 120 on an upper surface thereof, and a lower portion of the grooves 102 is attached to the substrate 104 to be electrically connected. Is connected.

The groove 102 is a cylindrical structure to which the pin 124 can be coupled, and when the pin 124 exhibits a non-cylindrical shape, the groove 102 may have a different structure.

In the drawing, both the inner surface of the groove 120 and the outer surface of the pin 124 are formed without a pattern, but the present invention is not limited thereto and corresponds to the inner surface of the groove 120 and the outer surface of the pin 124. By forming a pattern or the like, the coupling of the groove 120 and the pin 124 may be firmly performed.

The inner surface of the groove 102 may be formed of an electrically conductive material, in particular, a metal. The bottom surface of the groove 102 may be connected to the substrate 104 to receive a current applied through the substrate 104. Can be delivered to the pin 124 inserted in the).

When the substrate 104 is formed of a material having good electrical conductivity, one end is connected to the groove 120, and the other end is connected to the wire 108 connected to the transformer. In this embodiment, the substrate 104 is represented by the substrate 104. It can be used as a substitute material.

The housing 110 may have various shapes, and in the drawing, may be formed in a step (′) shape that is symmetrical with the housing of the second base 100B.

The housing 110 is formed of a non-conductive material so that a plurality of grooves 102 are formed so that the blocking unit 120 can be coupled to the upper surface, and the wire 108 applied from the transformer is inserted into one side thereof. It includes a substrate 104 for connecting the groove 102 and the wire 108 therein.

The second base part 100B has a structure similar to that of the first base part 100A, and forms a hole from the housing 110 at the connection part to secure the connection between the wire 108 and the substrate 104 to fix the bolts. 106) can be inserted.

As the fixing bolt 106 is inserted, when replacing the load-side wire 108, the fixing bolt 106 is removed without disassembling the housing 110, and then the wire 108 is replaced and the fixing bolt 106 is inserted again. Accordingly, the wire 108 can be replaced simply.

The blocking unit 120 has the same circuit characteristics as a conventional general circuit breaker and shows a characteristic of cutting off the flow of current to prevent an accident when the applied current is equal to or higher than the rated current.

The blocking unit 120 has a circuit for controlling the flow of current by measuring the strength of the current therein, and includes a switch 126 that allows a person to artificially control the flow of current. This portion of the breaker 120 is the same as a conventional breaker, and includes pins 124 in the present invention to make it possible to safely detach the breaker in the live state.

The blocking unit 120 surrounds an internal circuit and includes a housing 122 made of a non-conductive material, a plurality of pins 124 formed in pairs in parallel at both ends of the housing 122, and ON / OFF of the circuit. And a switch 126 that can artificially adjust OFF.

The pin 124 is formed integrally or separately with the blocking unit 120 and includes a protruding hole formed of a material having high electrical conductivity and a fastening bolt fastened to the protruding hole. In addition, the pin 124 fixes the blocking unit 120 to the first and second base parts 100A and 100B and electrically connects the first base part 100A and the second base part 100B.

At this time, the length (H) of the pin 124 is formed longer than the height h1 of the housing 122 of the blocking unit 120 is formed to protrude out of the housing 122 of the blocking unit 120, The portion is inserted into the hole 102 formed in the first and second base portions 100A and 100B.

Accordingly, the length H of the pin 124 is not limited, and is longer than the height h1 of the housing 122 of the blocking portion 122, and the height h1 of the housing 122 of the blocking portion 122 is not limited thereto. It may be formed equal to or shorter than the sum of the depths h2 of the holes 102 formed in the first and second base portions 100A and 100B (see Equation 1 below).

[Equation 1]

ｈ1 <Ｈ ≤ (ｈ1 + ｈ2)

(However, ｈ1 is the height of the housing of the blocking part, H is the height of the pin, h2 is the groove depth of the base part)

For a description of the structure of the pin 124 formed of the protruding hole and the fastening bolt can refer to Figure 2 below.

The switch 126 is a device that blocks (OFF) or passes (OFF) the flow of current. The switch 126 is automatically turned off when excessive current is supplied, and may be turned on or off by human operation.

In FIG. 1, the switch 126 is implemented in the form of a stick, but is not limited thereto. The switch 126 may be implemented in any form that can be ON / OFF adjustable.

Figure 2a and 2b is a view showing the pin of the removable safety circuit breaker according to an embodiment of the present invention, in more detail the protruding hole integrally formed in the circuit breaker housing and bolts coupled thereto.

2A and 2B, the protruding hole 210 is formed of a metal material having high electrical conductivity in the form of a hollow cylinder, that is, a pipe. The upper surface of the protruding hole 210 is formed on the same line as the upper surface of the blocking unit 200, and the lower surface protrudes from the lower surface of the blocking unit 200.

The protruding hole 210 forms a thicker cylinder toward the portion protruding out of the housing, and includes at least one cut line 214 in the portion protruding out of the blocking housing 200.

Accordingly, when the fastening bolt 220 is fastened to the protruding hole 210, the protruding hole 210 opens along the incision line, and the outer surface of the protruding hole 210 and the grooves of the first and second base portions are formed. Improves electrical conductivity by improving adhesion to the inner surface.

The inner surface of the protruding hole 210 is a surface which is fastened to the fastening bolt 220, and a screw groove 212 corresponding to the threaded line 222 of the fastening bolt 220 is formed to facilitate fastening.

In addition, the outer surface of the protruding hole 210 is a surface coupled to the grooves of the first and second base portions, and may have a structure that is smoothly processed or corresponds to the inner surface of the first and second base portion grooves as shown in the drawing. have.

The fastening bolt 220 prevents poor connection when the blocking part is combined with the first and second base parts, and secures the coupling to prevent the occurrence of heat or spark at the contact part, and improve the safety by smoothly transmitting the current. have.

According to the present invention, the breaker can be replaced only by removing the fastening bolts 220 by configuring the breaker in a manner of coupling the breaker to the fixed first and second base parts.

That is, when a failure of the breaker is recognized, disconnect the fastening bolts fastened to the breaker without disconnecting the electric wires connected to the 1st and 2nd base parts or cutting off the power of the transformer, and then disconnecting the breaker parts of the 1st and 2nd base. Separate from the part.

After the switch of the new breaker is turned off, the protruding hole of the breaker is engaged with the first and second base grooves, the bolt is fastened to the protruding hole, and then the switch of the breaker is turned on to be stable in the live state. The breaker can be replaced quickly.

As described above, although described with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and modified within the scope of the present invention without departing from the spirit and scope of the invention described in the claims below. It will be appreciated that it can be changed.

Removable safety circuit breaker of the present invention can be used in industrial sites using a large amount of power, such as 380V and 440V.

100A: first base portion 100B: second base portion
102 groove 104 substrate
106: fixing bolt 108: electric wire
110, 122, 200: housing 120: blocking part
124: pin 126: switch
210: protruding hole 212: screw groove
214: incision 220: fastening bolt
222: thread

Claims (6)

In a circuit breaker that electrically connects a transformer and a load device,
A first base portion electrically connected to a power supply side and including at least one groove on one surface thereof;
A second base portion electrically connected to the load side and including at least one groove on one surface thereof; And
It includes a plurality of pins coupled to the groove of the first base portion and the groove of the second base portion on one surface, detachable to the first and second base portion, the blocking portion for controlling the flow of current
Detachable safety breaker comprising a.
The method of claim 1, wherein the pin is
Removable safety breaker, characterized in that formed in pairs in parallel to both ends of the blocking portion.
The method of claim 1, wherein the pin is
A cylindrical protrusion hole formed integrally with the blocking part and having an empty inside;
Fastening bolt fastened to the protruding hole
Detachable safety breaker comprising a.
The method of claim 3, wherein the protruding hole is
And a screw groove fastened to the fastening bolt on an inner surface thereof, and including at least one cut line on a surface engaging with the first and second base parts.
The safety breaker of claim 1, wherein the length of the pin is longer than the height of the breaker.
2. The detachable safety circuit breaker of claim 1, wherein the pin coupled to the groove of the second base portion and the pin coupled to the groove of the first base portion are spaced apart from each other by a predetermined distance in a longitudinal direction of the blocking portion.
KR1020100023383A 2010-03-16 2010-03-16 The removable safe electric breaker will be able to change from the condition where the electricity leads KR101303220B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100023383A KR101303220B1 (en) 2010-03-16 2010-03-16 The removable safe electric breaker will be able to change from the condition where the electricity leads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100023383A KR101303220B1 (en) 2010-03-16 2010-03-16 The removable safe electric breaker will be able to change from the condition where the electricity leads

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KR20110104309A KR20110104309A (en) 2011-09-22
KR101303220B1 true KR101303220B1 (en) 2013-09-03

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930000800A (en) * 1990-06-18 1993-01-15 임병구 Tunnel membrane stabilization method and device
KR20060019295A (en) * 2004-08-27 2006-03-03 엘에스산전 주식회사 Power and load terminal part split type micro breaker
KR20090119649A (en) * 2008-05-16 2009-11-19 서문길 Bean sprouts cutter with bean sprouts

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930000800A (en) * 1990-06-18 1993-01-15 임병구 Tunnel membrane stabilization method and device
KR20060019295A (en) * 2004-08-27 2006-03-03 엘에스산전 주식회사 Power and load terminal part split type micro breaker
KR20090119649A (en) * 2008-05-16 2009-11-19 서문길 Bean sprouts cutter with bean sprouts

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