KR101161714B1 - Circuit breaker supporter having a safety cover - Google Patents

Abstract

PURPOSE: A circuit breaker supporter including a safety cover is provided to prevent flash over by perfectly covering a frond end part of a busbar electrically connected to a connector area. CONSTITUTION: A pair of supporting parts(10) combines a connecting groove and a connecting protrusion(14) to correspond each other on both left and right sides. A tapping hole(11) and a combining jaw(12) are respectively formed on the upper part of the supporting part and fix a circuit breaker. A connecting part(20) connects supporting parts to face each other. A fixing part(30) fixes cabinet panels to the front of one supporting part and the rear of another supporting part.

Description

Circuit breaker stand with safety cover {CIRCUIT BREAKER SUPPORTER HAVING A SAFETY COVER}

The present invention relates to a pedestal for wiring and an earth leakage circuit breaker, and more particularly, to be detachably equipped with a safety cover for preventing an electrical safety accident that may occur in the breaker due to flash over phenomenon, arc discharge, spark, or the like. One breaker pedestal relates.

In general, the breaker is installed in the distribution panel for indoor wiring in a house, building, factory, etc., when abnormal current such as over current or short circuit occurs in the load line and the large current exceeds the allowable value, electricity connected to the wire and load side on the line and It is a switchgear that cuts off the power supply on the load side to protect electronic devices and prevent the occurrence of electrical safety accidents such as fire due to short circuit or over current.

Such a circuit breaker is driven by a trip device that automatically cuts off the current by detecting it when an overcurrent or a short-circuit current is applied or when a short circuit occurs. At this time, an arc occurs at a contact point where the power is in contact. Since it can be discharged by the fire protection function of the extinguishing function to quickly suppress, extinguish and discharge the high heat and gas pressure by the arc generated at the moment when the current is cut off is provided.

On the other hand, since the power supply terminal and the load terminal of the circuit breaker are exposed with the input and output power and the circuit connected, there is a problem that electrical safety is weak, such as an electric shock may occur during contact due to user's carelessness. to be.

Accordingly, by shielding and covering the power terminal and the load terminal, it prevents safety accidents such as electric shock due to contact with the terminal, prevents the ingress of dust and foreign substances, secures phase insulation, minimizes the risk, and when connecting the terminal and busbar There is a need for a cover to prevent the spread of accidents from flash over phenomenon caused by poor connection due to mechanical stress caused by the tightening of the screw, and to protect the safety of the user and the surrounding load.

Conventional techniques related to such a circuit breaker with an electric safety cover include, for example, the terminal cover of the circuit breaker disclosed in Korean Patent No. 10-043432, and the circuit breaker of Registered Patent No. 10-1003962, and registered utility model. A circuit breaker having a wiring breaker of No. 20-0392657 and a protective cover of Utility Model Registration No. 20-0422657 have been proposed.

However, all of the above-described conventional techniques are a method of directly attaching and detaching a cover to a main body or an enclosure of a circuit breaker. Therefore, the shape and structure of the circuit breaker are not only complicated, but also work for installing or replacing a circuit breaker, or for wiring, maintenance, and inspection. When opening and removing the cover from the breaker body, and after connecting the busbar to each terminal must be reassembled and fixed as it is originally, there is a limit accompanying the inconvenience and inconvenience in use.

In addition, the front end of the busbar is connected to the terminal of the circuit breaker with the cover removed, so that phase insulation is insufficient, and safety accidents such as electric shock and flashover phenomenon are easily caused. It is not possible to solve this fundamentally because it is ineffective.

On the other hand, in the manufacture of the distribution board, because the height of each breaker is different in product specifications, a stand is installed to compensate for this and to prevent a short circuit to the distribution panel. have.

However, since it is formed to be assembled by connecting several consecutively, it is easy to adjust the length, so that it is possible to obtain convenience such as mounting breakers of various sizes. Is required.

Accordingly, the present inventors devised and completed the present invention while making an effort to develop a new type of circuit breaker pedestal that can improve the convenience of use while improving the electrical safety by focusing on solving the above-mentioned matters and problems. It became.

Therefore, it is an object of the present invention to provide a circuit breaker pedestal with a safety cover that can effectively and completely prevent an electrical safety accident of a circuit breaker, and can be detached and detached from the circuit breaker separately.

In order to achieve the object as described above, an embodiment of the present invention is a pair of supporting portions formed so that the tapping hole and the coupling jaw for fixing the circuit breaker on the upper surface, respectively, and the connecting groove and the connecting projection are formed to correspond to each other on both left and right sides. And a connecting part for integrally connecting the pair of supporting parts to face each other, and fixing parts formed to fix the distribution boards on the front of any one of the supporting parts and the rear of the other supporting part, respectively, At least one of the supporting parts is provided with a circuit breaker support detachably provided with a safety cover for covering the terminal portion without contact interference with the circuit breaker. This prevents the expansion of accidents caused by the arc discharge generated by the breaker, short circuit and flashover phenomenon, and protects the surrounding load safely.

In addition, an embodiment of the present invention provides a circuit breaker pedestal formed with slots of a predetermined depth formed on both side edges of the upper portion of the base portion, and slot projections inserted into the slots on the inner facing surface of the safety cover, respectively. This can quickly and easily perform the installation or replacement of the circuit breaker or wiring, maintenance and inspection work, and can also be used in a ready-made circuit breaker, thereby ensuring convenience of use and universality.

In addition, an embodiment of the present invention provides a circuit breaker pedestal that is formed at the bottom of the slot projection is a hook projection which is elastically elastically deformed to the external force, the engaging projection is formed on the inner wall of the slot facing the hook projection to correspond to each other. do. As a result, the wiring and maintenance work of the circuit breaker can be performed quickly, and the safety cover can be more firmly maintained, thereby securing the efficiency of the work and the convenience of use.

In addition, the safety cover according to an embodiment of the present invention is formed on the upper cover portion to cover the upper terminal portion of the circuit breaker, the lower side and the right side cover integrally formed on both lower sides of the upper cover portion to cover both sides of the terminal portion of the circuit breaker And a partition wall part integrally formed between the left side and the right side cover part to divide and cover the terminal part of the breaker into an input side and an output side.

In addition, an embodiment of the present invention provides a circuit breaker pedestal further formed with a partition groove for inserting the partition wall portion of the safety cover to a predetermined depth to the upper front edge of the support portion. This ensures more stable phase-to-phase insulation of the breaker terminal.

The present invention having the above-described problem solving means and configuration is securely fixed to the circuit breaker with a screw or the like through the tapping hole formed on the upper surface of the supporting portion, the safety cover separately without interference with the circuit breaker in the state of connecting the busbar to the terminal of the circuit breaker Installation, replacement or wiring, maintenance, and inspection of the circuit breaker because it can be slid from the top of the base to the bottom, or the safety cover is first attached to the base, then the breaker can be fixed to the top of the base and the busbar can be connected to the terminal. When working, there is no need to separate and reassemble the safety cover from the breaker, which can greatly improve work time and convenience.

In particular, a pair of slot protrusions formed on the inside of the safety cover can be quickly and easily inserted and coupled by an interference fit method or elastic deformation force along the slot of the support portion, thereby improving workability and productivity.

In addition, the present invention can be easily applied to the standard circuit breaker of the standard specification without any operation, thereby ensuring the compatibility and universality of the article.

1 is an exploded view showing a breaker pedestal according to an embodiment of the present invention;
FIG. 2 is a configuration diagram showing a state of FIG. 1 viewed from another direction; FIG.
3 is a side view showing a state in which a circuit breaker is mounted on the circuit breaker pedestal according to an embodiment of the present invention;
4 is a plan view showing a state of use of the circuit breaker pedestal according to an embodiment of the present invention,
5 is an exploded view showing a breaker pedestal according to another embodiment of the present invention;
6 is a cross-sectional view of main parts of a state in which a breaker pedestal is coupled according to another embodiment of the present invention;

Hereinafter, embodiments according to the present invention will be described more specifically with reference to the accompanying drawings.

Prior to this, the following terms are defined in consideration of the functions in the present invention, which specifies that the concept should be construed as a concept consistent with the technical spirit of the present invention and commonly understood or commonly recognized in the art.

In the following description, well-known functions or constructions are not described in detail to avoid obscuring the subject matter of the present invention.

1 is an exploded view showing a breaker pedestal according to an embodiment of the present invention, Figure 2 is a view showing the state shown in Figure 1 from another direction, Figure 3 is a breaker pedestal according to an embodiment of the present invention 4 is a side view illustrating a state in which a breaker is mounted, and FIG. 4 is a plan view illustrating a state of use of the breaker pedestal according to an embodiment of the present invention.

As shown in Figures 1 to 4, the breaker pedestal 1 according to an embodiment of the present invention is a pair of supporting portion 10 for fixing the breaker (B) and the connecting portion 20 for connecting them integrally ) And the expansion of the accident due to the ambient emission of the arc generated from the fixing part 30 and the breaker B formed on the outer surface of the supporting part 10 and the flashover phenomenon to fix the distribution panel (not shown). It is configured to include a safety cover 40 to prevent and safely protect the surrounding load.

First, the supporting portion 10 is a portion on which the breaker (B) is mounted, the top and bottom are formed flat, the tapping hole (11) for firmly fixing the breaker (B) with a screw is formed on the top surface, In addition, the coupling jaw 12 is formed in a pair of left and right to be in close contact with the side of the breaker B to prevent the breaker from flowing and moving up and down or left and right, and to easily determine the mounting position temporarily.

In addition, the left and right sides of the support portion 10 are continuously connected to each other in the left and right direction by assembling the other pedestal 1 'adjacent to one pedestal 1 so as to extend the length necessary for the installation of the breaker B. The connecting groove 13 and the connecting protrusion 14 are formed to be correspondingly coupled to each other.

Here, the inner size of the connecting groove 13 is formed to be slightly smaller than the outer size of the connecting projection 14 can maintain a more stable coupling state when combined in the interference fit method.

In addition, slots 15 recessed in a predetermined depth and width are formed at both upper side edges of the support part 10, and partition walls 44 of the safety cover are inserted and coupled to the upper front edges of the support part 10. The partition wall grooves 16 are formed to be dug at a predetermined depth and width so as to be formed.

The tapping hole 11 and the coupling jaw 11 of the support part 10 may be formed only on one of the support parts of the pair of support parts according to the user's request or the selection of cooking, and accordingly the safety cover 40 ) Can also be provided only in one of the supporting portion 10, of course.

The connecting portion 20 integrally connects the supporting portions 10 to face each other and is formed in a pair on both sides between the supporting portions 10.

In addition, the left and right side surfaces of the connecting portion 20 are connected to the other pedestal 1 'adjacent to one pedestal 1 in the left and right direction in the same manner as the left and right both side surfaces of the support portion 10 to install the breaker B. Auxiliary connecting groove 18 and the auxiliary connecting projections 19 to extend as necessary for the length is formed to be correspondingly coupled to each other.

Here, the inner size of the auxiliary connecting groove 18 is slightly smaller than the external size of the auxiliary connecting projection 19 can maintain a more stable coupling state when combined in the interference fit method.

Fixing portion 30 is formed on the front surface of one base portion 10 and the outer surface of the other base portion 10 of the surface symmetrical with it so as to be able to fix the pedestal 1 to the distribution panel, the respective inner side The fixing member 31 is formed in the form of a long hole through which a separate fastening member can pass and allow easy and easy determination of the installation position of the distribution panel.

That is, the end of the fastening member such as a screw is passed through the fixing hole 31 of the fixing part and coupled to the bottom panel of the distribution panel, so that the pedestal 1 can be firmly fixed to the distribution panel.

The safety cover 40 maintains electrical safety by preventing the terminal portion T of the circuit breaker from being exposed, and is made of a material having a slight elastic deformation force such as a transparent acrylic plate, and the upper and both sides of the circuit breaker terminal portion T. Is formed in a shape to completely cover and protect the surroundings of the arc generated in the breaker (B) by being coupled to the support portion 10 while covering the terminal portion (T) elastically close and close without interference due to coupling with the breaker (B) It prevents the escalation of accidents caused by emission and flashover, and protects the surrounding load.

That is, the safety cover 40 is formed with a top cover portion 41 to cover the upper portion around the terminal portion (T) of the circuit breaker tightly, and the terminal portion (T) of the circuit breaker on both lower sides of the top cover portion 41 A left side and a right side cover part 42/43 which tightly cover both sides are integrally formed, and between the left side and right side cover part 42/43, the terminal part T of the breaker is connected to the input side and the output side terminal part. The partition wall part 44 which divides and covers is formed integrally.

In addition, slot projections 45 inserted and coupled along the slots 15 of the support part are formed on the opposite surfaces inside the left and right side cover parts 42 and 43 so as to be coupled to the slots.

Here, the vertical end portion of the partition wall portion 44 facing the support portion 10 is formed so as to be slidingly coupled to the partition groove 16 when the engaging portion is coupled to the partition groove 16, and the partition wall portion 44 And the thickness of the slot protrusion 45 is formed slightly larger than the width of the slot 15 and the partition groove 16 can be stably maintained firmly coupled to each other.

The safety cover 40 can be easily attached to or detached from the supporting part 10 regardless of the installation state of the circuit breaker B, and is formed of a transparent or semi-transparent body from which the inside is projected, thereby making the terminal part T externally. It is preferable that the wiring and the connection state can be quickly and easily formed, and be formed of a material such as polycarbonate having a good balance of electrical properties such as mechanical properties and insulation properties.

The breaker pedestal 1 according to the embodiment of the present invention configured as described above passes through an end portion of a fastening member such as a screw through the fixing portion 30 and is fixed to the bottom panel of the distribution panel, and then a tapping hole 11 formed on the upper surface thereof. The circuit breaker is firmly fixed by screws, and the safety cover 40 is quickly and easily inserted into the support part 10 while being connected to the input / output side busbars to the terminal part T of the circuit breaker. It may be possible, or may be fixed to the breaker (B) in a state in which the safety cover 40 is first coupled to the support 10.

In addition, even when the circuit breaker (B) is fixed, the safety cover 40 can be easily removed from the base 10.

Therefore, the present invention needs to be reassembled after separating the safety cover 40 from the breaker B one by one, such as in the case of the conventional safety cover integrated breaker, when installing or replacing the circuit breaker B or wiring, maintenance and inspection work. Not only can it work quickly and easily, but it can also be used throughout the breaker without any operation, so it has excellent advantages in terms of efficiency and ease of use, as well as its versatility and usability.

Furthermore, the safety cover 40 completely covers the tip of the busbar electrically connected to the terminal part T of the circuit breaker with the cover removed, thereby leading to safety accidents such as electric shock, as well as improved interphase insulation and flashover phenomenon. It is possible to prevent the spread of accidents to other adjacent breakers by reliably preventing them.

On the other hand, in another embodiment of the present invention, as shown in Figure 5 and 6, the lower end of the safety cover 40-1 slot projections 45 hook hook 47 of the hook-type elastically elastically deformed to the external force The hook projection 47 is formed on the inner wall of the slot (15) facing the outer side of the supporting portion 10 to form a locking step (17) slightly deeper than the depth of the slot so as to correspond to each other By doing so, a more stable and firm coupling state can be maintained, and the upper surface of the upper cover portion 41 can be detachably attached to the supporting portion 10 more quickly and easily by forming the handle 41a integrally to facilitate gripping.

Here, the hook protrusion 47 is preferably formed to be inclined obliquely or arc-shaped so that the end portion can be naturally inserted as sliding along the slot 15.

Accordingly, when the safety cover 40-1 is inserted into and coupled to the support 10, the slot protrusion 45 elastically deforms because the hook protrusion 47 causes contact interference with the inner wall of the slot 15. When the hook projection 47 is positioned to face the locking projections 17 formed on the inner wall of the slot while descending along the slot 15 with the side cover portions 42 and 43 outward, The contact interference is released, and when this occurs, the slot protrusion 45 is retracted by its own elastic deformation force and is returned to its original state, thereby maintaining a state of being firmly locked to the latching jaw 17 of the slot. When detached from the handle 41a by pulling upward, the slot protrusion 45 is elastically deformed by the friction between the hook protrusion 47 and the locking jaw 17, so that it can be easily released outward.

On the other hand, the present invention is not limited by the above-described embodiment and the accompanying drawings, and can be changed to other embodiments equivalent to substitutions and equivalents within the scope without departing from the spirit of the present invention is common in the art It will be apparent to those who have knowledge.

10: support portion 11: tapping hole
12: engaging jaw 13: connecting groove
14: connecting protrusion 15: slot
16: bulkhead groove 17: locking jaw
20: connection
30: fixing part 31: fixing hole
40: safety cover 41: top cover
42: left side cover portion 43: right side cover portion
44: partition wall 45: slot projection
47: hook protrusion B: breaker
T: terminal

Claims (5)

A pair of supporting portions each formed with a tapping hole and a coupling jaw for fixing a circuit breaker on an upper surface thereof, and a connecting groove and a connecting protrusion formed to correspond to each other on both left and right sides thereof;
A connection part for integrally connecting the support parts to face each other;
It includes a fixing portion formed to fix the distribution panel on the front of any one of the supporting portion and the back of the other supporting portion,
Breaker pedestal, characterized in that the at least one of the supporting portion is provided with a detachable safety cover for covering the terminal portion of the breaker.
The method of claim 1,
The breaker pedestal, characterized in that the slots are formed at a predetermined depth on both side edges of the upper portion of the base, and slot projections are inserted into the inner facing surface of the safety cover along the slots.
The method of claim 2,
The lower end of the slot protrusion has a hook protrusion which is elastically elastically deformed to the external force is formed, the breaker pedestal, characterized in that the engaging projection is formed on the inner wall of the slot facing the hook protrusion is coupled to each other.
The method according to any one of claims 1 to 3,
The safety cover may include an upper cover part covering an upper portion of the terminal portion of the circuit breaker, a left side and a right side cover portion integrally formed at both lower sides of the upper cover portion to cover both side surfaces of the terminal portion of the circuit breaker, and the left side and right side cover. Breaker pedestal comprising a partition wall formed integrally between the portions to cover the terminal portion of the circuit breaker by dividing the input side and the output side.
The method of claim 4, wherein
Breaker pedestal, characterized in that the partition groove is further formed in the upper front edge of the support portion is inserted into the partition wall portion of the safety cover to a certain depth.

Images