KR101546397B1

KR101546397B1 - A distributing board

Info

Publication number: KR101546397B1
Application number: KR1020150071623A
Authority: KR
Inventors: 백중현; 손종열; 최선열
Original assignee: 명진전력 주식회사; 주식회사 창성이엔지
Priority date: 2015-05-22
Filing date: 2015-05-22
Publication date: 2015-08-24

Abstract

The present invention relates to a distribution board which includes an inner cabinet which includes an electrical device mounting space to mount a plurality of electrical devices inside and an inner through hole on a sidewall thereof, an outer cabinet which is arranged on the outside of the inner cabinet to form a cooling space between the inner cabinet and the outer cabinet and includes an outer through hole in a sidewall located on a position corresponding to the inner through hole, a door which is rotationally connected to the outer cabinet and opens or closes the electrical device mounting space of the inner cabinet, an opening and closing plate which opens and closes the outer through hole, a plate driving unit which is arranged in the cooling space, is connected to the opening and closing plate, and drives the opening and closing plate, and a blower fan unit which is arranged in the cooling space between the inner through hole and the outer through hole.

Description

A distributing board

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an electric distribution board, and more particularly, to an electric distribution board capable of preventing an electric installation space from being excessively overheated.

The switchboard is a device for uniformly managing switches, instruments, relays (relays), etc. for operation or control of a power plant, a substation, etc., or for operation of an electric motor, and can be divided into a main circuit switchboard and a control switchboard.

The main switchboard of a business or private substation is the main switchboard, and the switchboard of modern power plants is the control switchboard.

There are operating levers for opening and closing circuit breakers of high voltage main circuit, pneumatic switch of low voltage main circuit, voltmeter, ammeter, power meter, integrated power meter, eddy current relay and the like.

Regardless of any type of switchboard, the switchboard is an electrical device provided in a box-like structure, and is generally installed at a specific location on the ground in a state of being disconnected from the outside.

As the amount of electricity used increases day by day, the size (volume) of the switchboard becomes relatively larger as the equipment becomes larger and more advanced.

In addition, the inside of the switchboard may be provided with a power receiver, a transformer, a power distributor, a rectifier, a breaker, or an outlet so as to cope with diversification of use of electricity.

On the other hand, as the size of the switchboard increases, various types of electrical equipment are mounted inside the refrigerator, so that it is required to cool the space for installing the electrical equipment formed in the switchboard.

If the space for installing electrical equipment is excessively overheated, there is a risk of fire in addition to the failure of electrical equipment.

In addition, as the size of the switchboard increases, the weight of the door also has to be increased. When the door is opened, it is likely that the door will be damaged due to the heavy weight of the door. Means for safety opening and closing are required.

Korea Patent Office Application No. 10-1985-0005252 Korea Patent Office Application No. 10-2001-0016489 Korea Patent Office Application No. 10-2001-7015335 Korea Patent Office Application No. 10-2014-0017647

SUMMARY OF THE INVENTION An object of the present invention is to provide an electric distribution board capable of preventing excessive heating of an electric equipment installation space.

The object of the present invention is achieved by an air conditioner comprising: an inner cabinet in which an electrical equipment mounting space for mounting a plurality of electrical equipments is formed, and inner holes are formed in side walls; An outer cabinet disposed on an outer side of the inner cabinet so as to form a cooling space between the inner cabinet and the outer cabinet and having an outer passage formed in a side wall corresponding to the inner passage; A door rotatably connected to the outer cabinet to open / close a space for installing an electrical equipment in the inner cabinet; An opening / closing plate for opening / closing the outer aperture; A plate driving unit disposed in the cooling space and connected to the open / close plate, the plate driving unit driving the open / close plate; And an air blowing fan unit disposed in the cooling space between the inner passage hole and the outer passage hole.

Wherein the plate driving unit includes: a driving motor for providing power for driving the open / close plate; A pinion gear rotated by the driving motor; And a rack gear formed at one side of the opening / closing plate and meshing with the pinion gear.

A guide duct for guiding blowing air by the blowing fan unit is provided between the inner hole and the outer hole, and the guide duct can be made to have a narrower width from the inner hole to the outer hole, The motor and the pinion gear may be provided with a motion transmitting portion for transmitting the power of the driving motor through rotational motion of the pinion gear.

A temperature sensing unit for sensing a temperature in the inner cabinet; A controller for controlling operations of the plate driving unit and the blowing fan unit based on information of the temperature sensing unit; And a door safety opening / closing part for safety opening and closing of the door.

The door safe opening / closing part includes a damper housing provided on an inner surface of the door; A guide groove portion provided in the damper housing and having a closed position groove and an open position groove; A fixing bracket fixed to the outer cabinet; A guide bar having one end rotatably connected to the stationary bracket; A guide roller connected to the other end of the guide bar and reciprocating in the guide groove according to an opening and closing operation of the door, the guide roller selectively positioned in the closed position groove and the open position groove; And a contact type open sensor connected to the controller and provided in the open position groove region and selectively in contact with the guide roller, wherein the door is provided with a counter for counting the number of times the door is opened and closed by the controller have.

According to the present invention, it is possible to prevent an excessive heating of the space for mounting the electric equipment.

In addition, according to the present invention, it is possible to safely open and close the door, thereby preventing the door from being damaged by colliding against the peripheral structure.

In addition, according to the present invention, the number of times of opening and closing the door can be counted, and the door can be used as an index for durability.

1 is a perspective view of an electric distribution board according to a first embodiment of the present invention.
2 is a front view of Fig.
FIG. 3 is a schematic internal cross-sectional view of the region A of FIG. 2, in which the outer through-hole is closed.
FIG. 4 is a view showing the state in which the outer through hole is opened in FIG. 3;
Fig. 5 is a structural view of the door safety opening and closing part, in which the door is closed.
Fig. 6 is a view showing the door opened in Fig. 5. Fig.
7 is a control block diagram of the switchboard.
8 is a perspective view of an electric distribution board according to a second embodiment of the present invention.
9 is an enlarged internal cross-sectional view of the main part of the switchboard according to the third embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings.

The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the present specification, the present embodiment is provided to complete the disclosure of the present invention and to fully disclose the scope of the invention to a person having ordinary skill in the art to which the present invention belongs. And the present invention is only defined by the scope of the claims.

Thus, in some embodiments, well known components, well known operations, and well-known techniques are not specifically described to avoid an undesirable interpretation of the present invention.

Like reference numerals refer to like elements throughout the specification. And (used) terms used herein are for the purpose of illustrating embodiments and are not intended to limit the invention.

In the present specification, the singular form includes plural forms unless otherwise specified. Also, components and acts referred to as " comprising (or comprising) " do not exclude the presence or addition of one or more other components and operations.

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs.

Also, commonly used predefined terms are not ideally or excessively interpreted unless they are defined.

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

FIG. 1 is a perspective view of an electric distribution board according to a first embodiment of the present invention, FIG. 2 is a front view of FIG. 1, and FIG. 3 is a schematic inner sectional structural view of an area A of FIG. Fig. 5 is a view showing a state in which a door is closed. Fig. 6 is a view showing a state in which a door is opened in Fig. 5. Fig. 7 is a view showing a state in which a door is opened in a control block .

Referring to these drawings, the switchboard 100 according to the present embodiment not only prevents the electric equipment installation space 112 (see FIG. 3) from being excessively overheated, but also can safely open and close the door 130, 130 of the door 130 can be prevented from being damaged due to collision with the surrounding structure and the number of times of opening and closing of the door 130 can be counted and utilized as an index for durability of the door 130. In an inner cabinet A door 130, an opening and closing plate 150, a plate driving unit 160, and a ventilating fan unit 170. The outer cabinet 120 includes a door 110, an outer cabinet 120, a door 130,

The inner cabinet 110 forms an internal structure in the switchboard 100 according to the present embodiment. Therefore, it is not visible from the outside.

In the inner cabinet 110, an electrical equipment mounting space 112 on which a plurality of electrical equipment is mounted may be formed.

In the electrical equipment installation space 112, various facilities such as a power receiver, a transformer, a power distributing part, a rectifying part, a cut-off part, or an outlet can be installed. Of course, other than these facilities may be mounted.

An inner through hole 111 is formed in a side wall of the inner cabinet 110. In the present embodiment, a plurality of inner through holes 111 can be applied, which is a place where the heat in the electrical equipment mounting space 112 is discharged.

The outer cabinet 120 has an outer structure in the switchboard 100 according to the present embodiment. Therefore, only the outer cabinet 120 and the door 130 are visible, but the inner cabinet 110 is not visible.

The outer cabinet 120 is disposed outside the inner cabinet 110 such that a cooling space 122 is formed between the outer cabinet 120 and the inner cabinet 110.

A cabinet support body 125 supporting the outer cabinet 120 may be provided under the outer cabinet 120.

An outer through hole 121 is formed in the side wall of the outer cabinet 120 at a position corresponding to the inner through hole 111. The outer through-hole 121 may be a single large opening, but not necessarily, unlike the inner through-hole 111.

The door 130 is pivotally connected to the outer cabinet 120 by a hinge H (see Figs. 5 and 6) to open and close the electrical equipment mounting space 112 of the inner cabinet 110. [ That is, the door 130, which can be pivoted by the hinge H, may maintain the closed state as shown in FIG. 5 and may maintain the open state as shown in FIG.

However, as described above, the weight of the door 130 must be increased as the size of the power distribution board 100 increases. When the door 130 is simply rotated and opened, There is a fear that the door 130 may be damaged.

In this embodiment, by applying the door safe opening / closing part 140, the door 130 is opened / closed stepwise within a predetermined range, thereby guiding the safety opening and closing of the door 130.

The door safety opening and closing part 140 includes a damper housing 141 provided on the inner surface of the door 130 and a guide groove part 142 provided on the damper housing 141 and having a closed position groove 142a and an open position groove 142b. A fixing bracket 143 fixed to the outer cabinet 120, a guide bar 144 whose one end is rotatably connected to the fixing bracket 143, and a guide bracket 144 connected to the other end of the guide bar 144 A guide roller 145 reciprocating in the guide groove 142 according to the opening and closing operation of the door 130 and selectively positioned in the closed position groove 142a and the open position groove 142b, And a contact type opening sensor 146 provided in the opening position groove 142b and selectively in contact with the guide roller 145. [

Since the closed position groove 142a and the open position groove 142b are provided in the guide bar 144 so as to be spaced apart from each other, the door 130 is rotated and the guide roller 145 is placed in the closed position groove 142a The door 130 is kept closed and the door 130 can be kept open when the guide roller 145 is placed in the opening position groove 142b as shown in FIG. Therefore, it is possible to prevent the door 130 from being damaged due to excessive collision with the surrounding structures as the door 130 is shaken or rotated at an arbitrary angle.

On the other hand, when the number of opening and closing of the door 130 is too large in manufacturing the switchboard 100 like this embodiment, it is difficult. That is, when the number of opening / closing of the door 130 exceeds the predetermined range, it is difficult to use the door 130 safely.

In this embodiment, the door 130 is provided with a counter 135 to count the number of times the door 130 is opened and closed, thereby being utilized as an index for durability of the door 130.

Particularly, in this embodiment, not the electronic sensor but the contact type opening sensor 146 provided in the open position groove 142b region and selectively in contact with the guide roller 145 is used so that it can be used for a long time without any trouble. For example, when the door 130 is opened as shown in FIG. 6, the guide roller 145 enters the open position groove 142b and touches the contact type opening sensor 146, so that the number of times the door 130 is opened and closed To be counted.

On the other hand, the opening and closing plate 150 is provided on the inner wall of the outer cabinet 120 and serves to open and close the outer hole 121 as shown in FIGS. 3 and 4.

A plate driver 160 is provided for the operation of the open / close plate 150. In other words, the plate driving unit 160 is disposed in the cooling space 122 and is connected to the open / close plate 150, and serves to drive the open / close plate 150 as shown in FIGS. 3 and 4.

The plate driving unit 160 includes a driving motor 161, a pinion gear 162 rotated by the driving motor 161, a rack gear 162 formed on one side of the opening / closing plate 150 and meshing with the pinion gear 162, And a gear 163.

The drive motor 161 may provide power for driving the opening and closing plate 150. The drive motor 161 is supported by the motor support body 161a. At this time, the motor support body 161a further includes a pinion bracket 161b to rotatably support the pinion gear 162. [

The drive motor 161 may be directly connected to the pinion gear 162. [ However, in this embodiment, the drive motor 161 and the pinion gear 162 are indirectly connected. The drive motor 161 and the pinion gear 162 are provided with a motion transmission portion 165 for transmitting the power of the drive motor 161 by the rotational motion of the pinion gear 162.

The motion transmission portion 165 includes a drive pulley 165a coupled to the motor shaft of the drive motor 161, a driven pulley 165b coupled to the rotation shaft of the pinion gear 162, And a belt 165c connecting the belt 165b.

Accordingly, when the drive motor 161 is operated, the rotational force of the drive motor 161 is transmitted to the drive pulley 165a, the belt 165c, and the driven pulley 165b so that the pinion gear 162 can be rotated. When the gear 162 is rotated, the opening and closing plate 150 is lowered by the rack gear 163 engaging with the pinion gear 162 and the outer hole 121 is opened or raised as shown in FIG. 121).

The blowing fan unit 170 is disposed in the cooling space 122 between the inner hole 111 and the outer hole 121 and is operated when the outer hole 121 is opened as shown in FIG. Through the inner through hole (111) and the outer through hole (121).

A guide duct 175 is provided so that the heat in the electrical equipment mounting space 112 can be discharged more efficiently. That is, the guide duct 175 is provided between the inner through hole 111 and the outer hole 121 to guide air blown by the blowing fan unit 170.

At this time, the guide duct 175 is made to have a narrower width from the inner through hole 111 to the outer through hole 121, so that the heat in the electric equipment mounting space 112 can be discharged more efficiently.

In addition to the above structures, the switchboard 100 according to the present embodiment further includes a temperature sensing unit 180 and a controller 190.

The temperature sensing unit 180 is provided in the inner cabinet 110 to sense the temperature of the inner cabinet 110.

The controller 190 controls the operation of the plate driving unit 160 and the blowing fan unit 170 based on the information of the temperature sensing unit 180.

The controller 190 may include a central processing unit 191 (CPU), a memory 192 (MEMORY), and a support circuit 193 (SUPPORT CIRCUIT).

The central processing unit 191 controls the operation of the plate driving unit 160 and the blowing fan unit 170 based on the information of the temperature sensing unit 180 in this embodiment among various computer processors It can be one.

The memory 192 (MEMORY) is connected to the central processing unit 191. The memory 192 is a computer-readable recording medium that may be installed locally or remotely and may be any of various types of storage devices such as, for example, random access memory (RAM), ROM, floppy disk, hard disk, At least one or more memories.

A support circuit 193 (SUPPORT CIRCUIT) is coupled with the central processing unit 191 to support the typical operation of the processor. Such a support circuit 193 may include a cache, a power supply, a clock circuit, an input / output circuit, a subsystem, and the like.

In this embodiment, the controller 190 controls the operation of the plate driving unit 160 and the blowing fan unit 170 based on the information of the temperature sensing unit 180.

At this time, a series of processes or the like in which the controller 190 controls the operation of the plate driving unit 160 and the blowing fan unit 170 based on the information of the temperature sensing unit 180 may be stored in the memory 192.

Typically, software routines may be stored in memory 192. The software routines may also be stored or executed by other central processing units (not shown).

Although processes according to the present invention are described as being performed by software routines, it is also possible that at least some of the processes of the present invention may be performed by hardware.

As such, the processes of the present invention may be implemented in software executed on a computer system, or in hardware such as an integrated circuit, or in combination of software and hardware.

According to the present embodiment having the structure and function as described above, it is possible to prevent the electric equipment mounting space 112 from being excessively heated.

In addition, according to the present embodiment, it is possible to safely open and close the door 130, thereby preventing the door 130 from being damaged due to collision with the surrounding structure, as well as counting the number of times of opening and closing of the door 130, 130) for durability.

8 is a perspective view of an electric distribution board according to a second embodiment of the present invention.

Referring to this drawing, in the case of the switchboard 200 according to the present embodiment, the outer through-hole 221 provided in the outer cabinet 220 is formed as a network.

In this case, it is possible to prevent the worms from entering the outer cabinet 220 from outside.

It is possible not only to prevent the electric equipment installation space 112 (see FIG. 3) from being excessively overheated, but also to open and close the door 130 safely, thereby preventing the door 130 from being damaged The number of times of opening and closing of the door 130 can be counted and utilized as an index for durability of the door 130.

9 is an enlarged internal cross-sectional view of the main part of the switchboard according to the third embodiment of the present invention.

Referring to this figure, the switchboard 300 according to the present embodiment also includes an inner cabinet 110, an outer cabinet 120, a door 130, an open / close plate 150, a plate driving unit 160, (Not shown).

The blowing fan unit 170 is provided in the guide duct 175 and is operated when the outer hole 121 is opened so that the heat in the electric equipment mounting space 112 flows through the inner hole 111 and the outer hole 121 to the outside To be discharged.

At this time, a plurality of air distribution guides 376 are provided in the guide duct 175 adjacent to the outer through hole 121. A plurality of air distribution guides 376 can guide and distribute the exhaust air at the location so that the exhaust air is well vented.

It is possible to prevent the electric equipment installation space 112 from being excessively overheated and the door 130 to be safely opened and closed even if the present embodiment is applied to prevent the door 130 from being damaged by colliding with the peripheral structure, The number of times of opening and closing of the door 130 can be counted and utilized as an index for durability of the door 130.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. It is therefore intended that such modifications or alterations be within the scope of the claims appended hereto.

100: Switchboard 110: Inner cabinet
111: inner passage 112: space for installing electrical equipment
120: Outer cabinet 121: Outer hole
122: cooling space 130: door
135: Counter 140: Door safety switch
141: damper housing 142: guide groove
142a: Closed position groove 142b: Open position groove
143: Fixing bracket 144: Guide bar
145: guide roller 146: contact-type open sensor
150: open / close plate 160: plate driving part
161: drive motor 162: pinion gear
163: Rack gear 165:
170: blowing fan unit 175: guide duct
180: temperature sensing unit 190: controller

Claims

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An inner cabinet in which an electrical equipment mounting space for mounting a plurality of electrical equipments is formed inside and an inner hole is formed in the side wall;
An outer cabinet disposed on an outer side of the inner cabinet so as to form a cooling space between the inner cabinet and the outer cabinet and having an outer passage formed in a side wall corresponding to the inner passage;
A door rotatably connected to the outer cabinet to open / close a space for installing an electrical equipment in the inner cabinet;
An opening / closing plate for opening / closing the outer aperture;
A plate driving unit disposed in the cooling space and connected to the open / close plate, the plate driving unit driving the open / close plate; And
And a blowing fan unit disposed in the cooling space between the inner hole and the outer hole,
The plate-
A drive motor for providing power for driving the open / close plate;
A pinion gear rotated by the driving motor; And
And a rack gear formed on one side of the opening / closing plate and engaging with the pinion gear,
A guide duct for guiding blowing air by the blowing fan unit is provided between the inner hole and the outer hole, and the guide duct is formed to have a narrower width from the inner hole to the outer hole,
Wherein the drive motor and the pinion gear are provided with a motion transmitting portion for transmitting the power of the drive motor by rotational motion of the pinion gear.

The method of claim 3,
A temperature sensing unit for sensing a temperature in the inner cabinet;
A controller for controlling operations of the plate driving unit and the blowing fan unit based on information of the temperature sensing unit; And
Further comprising a door safety opening / closing part for safety opening and closing of the door.

5. The method of claim 4,
The door safe opening /
A damper housing provided on an inner surface of the door;
A guide groove portion provided in the damper housing and having a closed position groove and an open position groove;
A fixing bracket fixed to the outer cabinet;
A guide bar having one end rotatably connected to the stationary bracket;
A guide roller connected to the other end of the guide bar and reciprocating in the guide groove according to an opening and closing operation of the door, the guide roller selectively positioned in the closed position groove and the open position groove; And
And a contact type open sensor connected to the controller and provided in the open position groove region and selectively in contact with the guide roller,
Wherein the door is provided with a counter for counting the number of times the door is opened and closed by the controller.