KR20180129100A - Switch board with overheat self-diagnosis function - Google Patents

Abstract

Disclosed is a modularized block type power distribution device having an overheat self-diagnosis function. According to an embodiment of the present invention, the modularized block type power distribution device having an overheat preventing function, comprises: a plurality of modularized block type power distribution devices including a case for protecting a power distribution line connected to main circuit breaker terminals, branch circuit breaker terminals, and additional terminals, a plurality of main circuit breaker terminals positioned on an upper surface of the case, and connected to power of a main circuit breaker by a line, a plurality of branch circuit breaker terminals positioned on both sides of the case, and connected to power of a branch circuit breaker by the line, and a plurality of additional terminals positioned at a lower surface of the case, and recessed on a surface of the case to be connected to other external load terminals or to be connected by adding a distribution line; and an overheat sensing device. The overheat sensing device includes: an overheat sensing unit including a sensor and a light emitting means, outputting a sensing signal by sensing overheat by the sensor when overheat occurs in at least one of circuit breakers connected to the modularized block type power distribution devices, and outputting a contact signal while emitting light by the light emitting means on the basis of the sensing signal; and a control unit for blocking an operation of the main circuit breaker by outputting, to the main circuit breaker, a control signal for blocking the operation of the main circuit breaker on the basis of the contact signal output by the overheat sensing unit.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a power distributing apparatus having a self-

The present invention relates to a power distributing device, and more particularly, to a power distributing device having an overheat prevention function and a self-diagnosis function capable of preventing an accident that may occur due to overheating of a bus bar when a temperature of a bus bar rises To a modular block-type power distribution device.

In general, the terminal support for a power distributor distributes electricity to a common power demand facility such as a densely populated housing including an industrial facility, a building, and an apartment, and at the same time, a fire accident caused by an over current, an overload, It is an electric device that prevents accidents and protects load devices. It serves as a converter to distribute power supplied from the outside in the indoor equipment circuit and industrial equipment circuit to the capacity of the load.

The terminal support is composed of a circuit breaker such as a circuit breaker for wiring or an earth leakage circuit breaker as an internal device and it has a control function to prevent an accident by shutting off a circuit from a bus line in the event of an over current or a short circuit. It is installed in the room of the room and is installed where it can be checked and maintained inside when necessary.

The power distributor includes a main wiring breaker capable of drawing electric power from the power supply side and shutting off the circuit, a plurality of AC bus bus bars connected to the load side terminals of the main wiring breaker, And a branch booth connected between the terminals of the alternating current bus line busbar and the branch circuit breaker for branching the current path from the AC bus line bus bar.

The main-circuit breaker and the branched branch circuit breaker for power distribution may be circuit breakers for three-pole (three-phase) wiring of R, S and T poles or four poles of R pole, S pole, T pole and N pole (4-phase) wiring breaker is used, and a domestic power distributor is a single-phase, two-wire wiring breaker.

Conventionally, various types of power distribution devices have been developed and applied, for example, block-type power distribution devices. However, the conventional power distribution devices have been known to overheat due to overload, contact failure, or other causes, There is a problem that an accident that occurs can not be prevented beforehand.

Embodiments of the present invention can prevent an accident caused by overheating of a bus bar when a booster bar is heated due to overload, contact failure or other causes in a plurality of modularized block type power distribution devices A module-type block-type power distribution device having a self-diagnosis function is provided.

The power distributing apparatus having an overheat-preventing function according to an embodiment of the present invention includes a case for protecting a power distribution line connected to a terminal for a main breaker, a branch breaking terminal, and an additional terminal, A terminal for a plurality of main breakers connected to main breaker power and a line, a plurality of terminals for branch circuit breakers located on both sides of the case and connected to the branch circuit power source by a line, A plurality of modular block-type power distribution devices, each of which is composed of a plurality of additional terminals that are embedded in the surface of the case and connected to other external load terminals or additionally connect distribution lines; And an overheat sensing device, wherein the overheat sensing device includes a sensor and a light emitting means, and when overheating occurs in at least one of the circuit breakers connected to the plurality of modularized block type power distributing devices, An overheat sensing unit that senses and outputs a sensing signal, and outputs a contact signal while emitting light based on the sensing signal; And a controller for interrupting the operation of the main breaker by outputting a control signal for interrupting the operation of the main circuit breaker to the main circuit breaker based on the contact signal outputted from the overheat sensing unit.

Wherein the modularized block type power distribution device is installed to protrude from the side of the case by a predetermined length and guides a terminal for branch circuit breaker of another block type power distributing device to be connected to a designated position when the terminal is connected to the terminal for branch circuit breaker .

The overheat sensing device may be disposed within any one of the plurality of modular block-type power distribution devices or may be disposed between two modular block-type power distribution devices of the plurality of modularized block type power distribution devices .

The sensor may be attached to at least one of the busbars to sense the overheating.

The terminal for the main breaker of each of the plurality of modularized block type power distribution devices is connected to an additional terminal of the modular block type power distribution device adjacent to the upper surface, May be connected to the terminal for the main breaker of the modular block-type power distribution apparatus adjacent to the lower surface.

Embodiments of the present invention provide a module-type block-type power distribution device having a self-diagnosis function for overheating, thereby preventing an accident caused by an overheating of a bus bar when a temperature of the bus bar is increased due to an overload, There is an effect that can be prevented.

1 is a conceptual diagram of a modular block type power distribution apparatus having a self-diagnosis function according to an embodiment of the present invention
2 shows an example of an actual photograph of a modular block-type power distribution device of the present invention.
3 shows an example of a modular block-type power distribution device.
Fig. 4 shows another example of a modular block-type power distribution device.
Fig. 5 shows another example of a modular block-type power distribution device.
6 shows an example in which a safety pin is installed on a height adjustment support.
FIG. 7 shows a configuration of an embodiment of the overheat sensing apparatus shown in FIG.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to or limited by the embodiments. In addition, the same reference numerals shown in the drawings denote the same members.

FIG. 1 is a conceptual diagram of a modular block-type power distribution device having a self-diagnosis function according to an embodiment of the present invention. FIG. 2 is a schematic view of a module For example.

1 and 2, a modular block-type power distribution device 200 according to an exemplary embodiment of the present invention includes a plurality of modular block-type power distribution devices 100 and an overheat sensing device 210 do.

Each of the plurality of modularized block type power distribution devices (power distribution device 1 to power distribution device 4) includes a case, a plurality of terminals for main breaker located on the upper surface of the case, And a plurality of additional terminals located on the surface of the case.

At this time, the terminal for the branch circuit breaker is connected to the left branch circuit breaker terminal for distributing power to the left branch circuit breaker (branch circuit breaker L1 to branch circuit breaker L4) 300 formed on the left side of the case and the right branch circuit breaker And a terminal for the right branch breaker that distributes power to the branch breaker R1 to the branch breaker R4 (400).

The modularized block-type power distribution device 100 comprises a modular block-type power distribution device as claimed by the present applicant, for example the contents of the power distribution device described in the patent number 10-087438, -0907314, which is incorporated herein by reference in its entirety.

For example, the modularized block-type power distributing device 100 may include four branch shielding terminals (four terminals for R pole, S pole, T pole and N pole) as shown in FIG. 3 (R-pole, S-pole, and T-pole three-phase terminals) as shown in FIG. 4, and two branch shielding terminals , N-pole single-phase two-wire type terminal).

Of course, the modularized block type power distributing apparatus 100 may have the same number of branching shutoff terminals on the right and left sides of the case, but the number of right branching shutoff terminals and the number of left branching shutoff terminals may be different. For example, the modularized block type power distribution device may have four right branch breaking terminals and three left branch breaking terminals, or three right branch breaking terminals and two left branch breaking terminals have.

For example, a line for branching a power supply, for example, a power distribution device case 100 having a bus bar and a terminal 101 for a main breaker to receive power from the outside, And a terminal 102 for a branch breaker for distributing power to the branch circuit breaker and a terminal 103 for adding a rear end for connecting the block type power distribution device. In order to perform the power distribution function, the main breaker terminal 101 is screwed to the main breaker 500 and the branch breaker terminal 102 is screwed to the branch breaker. It is possible to use the main breaker terminal 101 by screwing and expanding the number of required branch circuit breakers.

In addition, the modularized block-type power distribution device is installed with a certain length protruding from the side of the case, and further has a safety pin for guiding the terminal for branch circuit breaker of the other block type power distributing device to be connected to the designated position . For example, as shown in an example in which a safety pin is provided on the height adjustment support of FIG. 6, two safety pins 130 are provided on the height adjustment support 120a to adjust the height of the three- The height of the terminals for the six branch circuit breakers is adjusted and the terminals for the branch circuit breaker are divided into three by two by the safety pin 130. [ It is possible to safely connect the terminal for the branch circuit breaker of the other block type power distributing device to the terminal 120a for the branched circuit breaker. The contents of this height adjustable support and the safety pin are described in detail in the patent application No. 10-0907314 filed by the present applicant and the present invention can include all contents described in the registration number 10-0907314 .

In addition, the modularized block-type power distributing device 100 can be manufactured by fastening the line (or bus bar) of the main breaker terminal and the line (or bus bar) of the branch breaker terminal with a plurality of rivets, And may have a double structure to eliminate connection failure due to shaking that may occur in the secondary working process after riveting by using a plurality of rivets without using one rivet.

The overheat sensing device 210 is a device for performing a self-diagnosis function of the modularized block type power distributing device 100. When overheating occurs in at least one of the circuit breakers connected to the plurality of modularized block type power distributing devices By blocking the operation of the main breaker, it prevents the accident caused by the overheating of the bus bar when the temperature of the bus bar increases due to overload, contact failure or other causes.

At this time, the overheat sensing device 210 may include an overheat preventing relay.

The overheat sensing device 210 may be disposed within any one of a plurality of modular block-type power distribution devices and may be disposed between two modular block-type power distribution devices as shown in FIG. 1 have.

Here, the overheat sensing device 210 may be disposed at any one of an upper end, an intermediate position, and a lower end of the plurality of modularized block type power distribution devices based on the main breaker position. Of course, if the overheat sensing device 210 is disposed within a modular block-type power distribution device, it may be disposed within the modular block-type power distribution device located at the top, Or may be disposed within a modularized block-type power distribution device located at the bottom.

The overheat sensing device 210 may include a control unit 710, a light emitting unit 720, and a sensor 730, as shown in FIG.

The sensor 730 senses overheating directly from at least one of the bus bars connected to the main breaker 500 or the bus bar connected to the branch breaker, and outputs a detection signal.

Here, the sensor 730 may be an overheat sensor or a temperature sensor, and may output a detection signal indicating that overheat or overheat is sensed when the temperature is detected.

The plurality of sensors 730 may be a plurality of sensors, and each of the plurality of sensors may detect overheating of each of the bus bars. In the case where a plurality of sensors are constituted, it is possible to output a detection signal when an overheat is detected by one of the sensors, averaging the signals detected by the plurality of sensors, and output an average signal as a detection signal It is possible.

The light emitting means 720 outputs a contact signal while emitting light based on the sensing signal output from the sensor 730. [

In this case, the light emitting means 720 may include any means capable of emitting light, and the light emitting means 720 may be used as an alarm display means or an alarm means such as an alarm. For example, four LEDs are formed on a PCB, and four LEDs formed on the PCB emit light when receiving a sensing signal from the sensor 730, and transmit a contact signal corresponding to the overheat sensing signal to the control unit 710 Output.

Of course, the contact signal outputted from the light emitting means 720 may be outputted to the control unit 710 by a means capable of controlling ON / OFF of the light emitting means.

The control unit 710 outputs a control signal for interrupting the operation of the main circuit breaker 500 to the main circuit breaker 500 based on the contact signal outputted from the sensor 730 to thereby interrupt the operation of the main circuit breaker 500. [

The operation of the overheat sensing device 210 will be described in detail as follows.

When the temperature of the bus bar connected to the power distributing device or the main breaker 500 rises above a certain temperature or rises above the electric safety temperature due to overload, contact failure or other cause, the sensor 730 attached to the bus bar, For example, an LED, and the LED operates according to the detection signal to output a contact signal while emitting light.

The control unit 710 outputs a control signal for interrupting the operation of the main breaker 500 to the main breaker 500 according to the contact signal to stop the operation of the main breaker. Accordingly, it is possible to prevent an accident caused by overheating of the bus bar when the temperature of the bus bar is increased due to overload, contact failure, or other causes.

As shown in FIG. 2, the modularized block-type power distribution device of the present invention includes a main circuit breaker, a first moduleized block-type power distribution device having four branching terminals on the left and right sides, And a branch circuit breaker having four terminals on the right side can be connected, and a second modular block-type power distributing device having three branching terminals on the left and right sides for adding terminals for the first modular block- And a branching circuit breaker having three terminals on the left side and the right side can be connected to the first and second modules. In addition, a third modularized By connecting a block-type power distribution unit, a branch circuit breaker with two terminals on the left and right sides can be connected.

In FIG. 2, the overheat sensing device may be disposed inside a modular block-type power distribution device of any one of a first modularized block-type power distribution device to a third modularized block-type power distribution device.

As described above, the modularized block-type power distribution device having the self-diagnosis function of the present invention has an advantage over the modularized block-type power distribution device by adding the overheat self-diagnosis function to the modularized block type power distribution device , It is possible to prevent accidents caused by overheating of the busbar bar when the booster bar temperature rises due to overload, contact failure or other causes.

In addition, the modularized block type power distribution apparatus having the self-diagnosis function of overheating according to the present invention can visually inform the power supply box of an abnormality by emitting light by using the light emitting means when detecting overheating.

In addition, the modularized block-type power distribution device having the self-diagnosis function according to the present invention uses the modular block-type power distribution devices, and thus, It is possible to fundamentally prevent the risk of accident caused by fastening or erroneous wiring and to increase the convenience of connection while minimizing the risk that the connection terminal of the power distributing device is exposed to the outside.

The system or apparatus described above may be implemented as a hardware component, a software component, and / or a combination of hardware components and software components. For example, the systems, devices, and components described in the embodiments may be implemented in various forms such as, for example, a processor, a controller, an arithmetic logic unit (ALU), a digital signal processor, a microcomputer, a field programmable array ), A programmable logic unit (PLU), a microprocessor, or any other device capable of executing and responding to instructions. The processing device may execute an operating system (OS) and one or more software applications running on the operating system. The processing device may also access, store, manipulate, process, and generate data in response to execution of the software. For ease of understanding, the processing apparatus may be described as being used singly, but those skilled in the art will recognize that the processing apparatus may have a plurality of processing elements and / As shown in FIG. For example, the processing unit may comprise a plurality of processors or one processor and one controller. Other processing configurations are also possible, such as a parallel processor.

The software may include a computer program, code, instructions, or a combination of one or more of the foregoing, and may be configured to configure the processing device to operate as desired or to process it collectively or collectively Device can be commanded. The software and / or data may be in the form of any type of machine, component, physical device, virtual equipment, computer storage media, or device , Or may be permanently or temporarily embodied in a transmitted signal wave. The software may be distributed over a networked computer system and stored or executed in a distributed manner. The software and data may be stored on one or more computer readable recording media.

The method according to embodiments may be implemented in the form of a program instruction that may be executed through various computer means and recorded in a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions to be recorded on the medium may be those specially designed and configured for the embodiments or may be available to those skilled in the art of computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape; optical media such as CD-ROMs and DVDs; magnetic media such as floppy disks; Magneto-optical media, and hardware devices specifically configured to store and execute program instructions such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. For example, it is to be understood that the techniques described may be performed in a different order than the described methods, and / or that components of the described systems, structures, devices, circuits, Lt; / RTI > or equivalents, even if it is replaced or replaced.

Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

Claims (5)

A case for protecting a power distribution line connected to a main breaker terminal, a branch breaking terminal and an additional terminal; a plurality of main breaker terminals located on an upper surface of the case and connected to the main breaker power source by a line; A plurality of branch circuit breaker terminals disposed on both side surfaces of the case and connected to the branch circuit breaker power source by a line, a plurality of branch circuit breaker terminals positioned on the lower surface of the case, being embedded in the surface of the case, A plurality of modular block-type power distribution devices each comprising a plurality of additional terminals for connecting the plurality of additional terminals; And
Overheat sensing device
Lt; / RTI >
The overheat sensing device
A sensor and a light emitting means, wherein when the overheat occurs in at least one of the circuit breakers connected to the plurality of modularized block type power supply devices, the sensor senses the overheat and outputs a detection signal, An overheat sensing unit that outputs a contact signal while emitting light based on the sensing signal; And
And a control signal for interrupting the operation of the main circuit breaker based on the contact signal output from the overheat sensing unit to the main circuit breaker,
And an overheat preventing function.
The method according to claim 1,
The modular block-type power distribution device
And a safety pin installed to protrude from the side of the case for a predetermined length and to guide the terminal for branch circuit breaker of the other block type power distributing device to be connected to a designated position when the terminal for branch circuit breaker is connected to the terminal for branch circuit breaker Power distribution device.
The method according to claim 1,
The overheat sensing device
And an overheating prevention function disposed inside any one of the plurality of modular block type power source distribution devices or disposed between two modular block type power source devices among the plurality of modularized block type power source devices One power distribution unit.
The method according to claim 1,
The sensor
And an overheat prevention function attached to at least one of the bus bars to detect the overheating.
The method according to claim 1,
The terminal for the main breaker of each of the plurality of modularized block type power distribution devices
Connected to an additional terminal of a modular block-type power distributing device adjacent to the upper surface,
The additional terminals of each of the plurality of modular block-type power distribution devices
And a terminal for the main breaker of the modular block type power distributing device adjacent to the lower surface.

Images