KR101659945B1

KR101659945B1 - Test terminal block all-in-one test terminal unit and distributing board used in it

Info

Publication number: KR101659945B1
Application number: KR1020160008845A
Authority: KR
Inventors: 양석진
Original assignee: 양석진
Priority date: 2016-01-25
Filing date: 2016-01-25
Publication date: 2016-09-26

Abstract

The present invention relates to an integrated test terminal unit with imaging protection and live wire display functions and a distribution board using the same. The integrated test terminal unit comprises: a key input unit including an operation mode key and a test mode key of a relay; an integrated terminal block formed by integrating a voltage test terminal block (PTT) with a current test terminal block (CTT) of the relay; and a control unit.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a test terminal block,

The present invention relates to a test unit for testing whether a voltage and current measurement operation of a relay used in an electric distribution panel is normal, and an electric distribution panel using the same.

In general, the switchboard is a device that forms a connection point between a common electrical distribution network and a home electrical circuit. A relay for monitoring the power system of the switchboard is formed in the switchboard, and a test for testing whether the voltage and current measurement operation of the relay is normal Unit (refer to prior art, precedent document: Korean Patent Application No. 20-2004-0021913, entitled "Test Terminal Block for Switchboards").

For reference, in the prior art (Korean Patent Application No. 20-2007-0002697, title of the invention: test terminal socket) relating to a test terminal, the following matters are generally referred to as various mechanical devices, So that each operation part operates in accordance with an operation command of the central control part. At this time, during the initial setting of the mechanical equipment or during use, the test of the normal operation of each operation unit is performed. In order to test the operation of the mechanical equipment, a test terminal is used.

In addition, a voltage test terminal block (PTT) and a current test terminal block (CTT) are provided in a test unit configured in a normal switchboard.

These conventional test units are not easy to test because the voltage test terminal block that tests the voltage and the current test terminal that tests the current are separately configured separately. In addition, a plug-in type terminal-based type in which a connection terminal provided in a test terminal (installed on the front side) is opened during a real relay test to connect the test terminal to the tester and short- There is a risk of electric shock from exposure. In addition, since there is no distinction between the rear power supply side and the load side terminal, there is a risk that a problem such as an electric short may occur due to a change in position due to a user's mistakenness during testing.

SUMMARY OF THE INVENTION The present invention has been developed to solve the above-mentioned problems, and it is an object of the present invention to provide a relay system in which a PTT and a CTT are integrally formed by removing a connection terminal exposed in a front portion of a conventional switchboard, In addition, the user can easily distinguish the rear power side and the load side during the test so that the user can easily and reliably test the voltage and current measurement of the relay without risk of electric shock in the live part. And an object of the present invention is to provide an integrated test terminal unit having a live wire display function and an electric distribution board using the same.

In order to achieve the above object, the present invention provides an integrated test terminal unit,

A relay test unit for testing whether or not a relay for measuring and monitoring a power system (including a voltage and a current) works in cooperation with a tester, comprising: a key input unit including a driving mode key and a test mode key of the relay; And an integrated terminal block formed by integrating the voltage test terminal block (PTT) and the current test terminal block (CTT) of the voltage test terminal block (CTT) of the relay terminal, and a controller for integrally testing the voltage and current measurement operation status of the relay with the integrated terminal block, The integrated terminal block includes a common power source side TB which is electrically connected to the PTT and the CTT and supplies test power in common to the PTT and the CTT, and a main terminal relay for corresponding voltage of the common power source TB, PTT, and TB of the common power source, And the CTT includes a current main contact short-circuit relay for each adjacent phase between the corresponding current main contact relay and the common power source side TB, So that the main contact relay for each equivalent voltage of the PTT is short-circuited and the relay for short-circuiting the main main contact of the CTT is entirely opened and the relay for each main current main contact is short-circuited. When the signal is input, the test mode is switched to make the main contact relay for the corresponding voltage of the PTT open in the voltage measurement test. In the current measurement test, the relay for current main contact of the CTT is connected to the relay for the entire short- So that the voltage and current measurement operation status of the relay Sum is characterized in that the test process.

Preferably, when the operation mode key signal is input, the control unit may cause all of the current main relays for the CTT to be short-circuited in total, and the relay for short-circuiting the current main contacts may be opened after all to perform the basic operation mode .

An OFF signal is output to the main circuit breaker which cuts off the power based on whether or not a voltage higher than a preset voltage is detected for each phase of the common power supply TB, And a metrology test image formation processor for outputting a display unit of an upper line corresponding to the image formation out of matched display units for each of the upper lines.

Preferably, the measurement test imaging unit includes a voltage detection transistor unit electrically connected to each phase of the common power supply TB and detecting a voltage of a predetermined voltage or more for each of the phases, a voltage detection transistor unit for detecting whether or not the voltage of the voltage detection transistor unit is detected An image forming unit for outputting an off signal to the main circuit breaker when the image forming unit detects an image forming state and for outputting an off signal to the detected image forming unit, And a signal output unit for outputting an unlit signal to the display unit of the corresponding upper line.

And a display unit including a display unit for notifying whether or not an image is formed for each of the upper lines of the common power source TB, wherein the display unit displays a display unit off signal of the upper line corresponding to the image formed by the signal output unit And the display unit of the image-forming line is turned off.

Preferably, the control unit includes a control power supply unit for supplying control power to the measurement test image formation processing unit when the line power is shut down under the control of the control unit. The control unit converts the test mode into the test mode upon input of the test mode key signal, And the control power supply of the control power supply unit is output to the measurement test image formation unit when the line power is not detected.

The control power supply unit includes a battery unit for generating an output when the line power is not detected under the control of the control unit, a charging unit for always charging the battery in cooperation with the battery unit, And a power converter that converts the control power to a control power source of the processing unit and supplies the control power to the measurement test image formation processing unit.

The common power supply TB may include a display unit having a power phase configuration of three phases (R, S, T) and a neutral line (N) And a display unit of a three-phase four-wire connection type is turned on when a voltage equal to or higher than the preset voltage is detected based on whether or not a voltage higher than a preset voltage is detected between an upper line voltage and a neutral line voltage of the common power source And a wiring detector for notifying the current wiring type by lighting the three-phase three-wire wiring type display unit when a voltage higher than a preset voltage is not detected.

And a safety cover for opening and closing the inserting terminal portion, and a controller for detecting the opening and closing of the safety cover and outputting a first signal when detecting the opening of the safety cover, And a limit switch for outputting a second signal when the cover is closed. When the first signal is outputted from the limit switch, the controller automatically converts the test mode into the test mode to perform the test mode, And performs a default process when the second signal is output.

Preferably, the apparatus further includes a third display unit including a test terminal connection state check switch at the time of power interruption of the line, and a display unit informing the connection state of the test terminal, And a display unit for notifying the connection state of the test terminal to the battery unit power supply when the status check ON signal is inputted to verify the connection state of the test terminal.

According to still another aspect of the present invention, there is provided an electrical switchboard using an integrated type test terminal unit having a phase protection and live display function,

An electric distribution board comprising a relay for measuring and monitoring a power system (including voltage and current) in cooperation with a tester, and a relay test unit for testing whether or not the relay measurement operation is normal, the relay test unit comprising: And an integrated terminal block in which a voltage test terminal block (PTT) of the relay is integrated with a current test terminal block (CTT), and an integrated terminal block in which a voltage and current measurement operation of the relay The integrated terminal block includes a common power supply side TB that is electrically connected to the PTT and the CTT to supply test power in common, and a main contact relay for each equivalent voltage of the common power supply TB, And a PTT electrically connected to the phase terminal, And a CTT comprising a current main contact shorting relay for each adjacent phase between the corresponding main current relay and the common power source side TB, And the control unit performs a basic operation mode when the operation mode key signal is inputted to make the main contact relay for each equivalent voltage of the PTT be short-circuited, and the relay for shorting the main main contact of the CTT is opened The main relay of the CTT is fully short-circuited, and when the test mode key signal is inputted, it is converted into a test mode so that the main contact relay for each equivalent voltage of the PTT is opened at the time of the voltage measurement test, To short-circuit the relay for short-circuiting and to open the relay And the voltage and current measurement operation of the relay are subjected to integrated test processing.

In the present invention, a PTT and a CTT are integrally formed on the basis of a relay installed in a test unit by removing a connection terminal exposed in a front portion of an existing power distribution board, and integrally testing a voltage and a current. By allowing the user to easily distinguish the load side, the user can easily and reliably test the voltage and current measurement operation of the relay without risk of electric shock in the live part.

In addition, the present invention solves the problem that the live-wire status test of the existing mechanical-specification switchboard is not performed, so that even the novice user can easily recognize the live wire state, and turns off the main breaker, which supplies power to the load, MOTOR) to prevent burnout of 3-phase load in advance.

Further, the present invention notifies the user of the current line connection status in the driving mode by detecting a line connection state of the test unit and informing based on a display unit informing the connection type.

In addition, the present invention provides a limit switch for providing a test plug for easy connection of a test device to shorten a test time, providing a cover on a test plug food terminal, and checking a cover open state, Automatically switch to test mode to prevent safety accidents.

In addition, according to the present invention, when the line power is not supplied, the test terminal connection state is checked with battery power, and the user is informed of the current test terminal connection state in the test mode.

1 is a view schematically showing the configuration of an integrated type test terminal unit having an image-forming protection and live-line display function according to the present invention and an electric distribution panel to which the same is applied;
2 is a side view (front view, a side view, and a rear view) of an integrated test terminal unit having an image-forming protection and a live-line display function according to the present invention.
Fig. 3 is a schematic view of a single-wire connection showing a single-
4 is a view sequentially showing the operation of the integrated type test terminal unit having the image protection and live display function according to the present invention

FIG. 1 is a view schematically showing the configuration of an integrated test terminal unit having an image-forming protection and live-line display function according to the present invention and an electric distribution panel to which the present invention is applied.

As shown in FIG. 1, the switchboard according to the present invention includes a relay for measuring and monitoring a power system (including voltage and current) in cooperation with a tester, and a relay test unit for testing whether or not the relay measurement operation is normal A key input unit (101, 102) including an operation mode key and a test mode key of the relay, and a voltage test unit An integrated terminal block 120 formed by integrating the terminal block PTT and the current test terminal block CTT and a control unit 130 for integrally testing the voltage and current measurement operation status of the relay with the integrated terminal block .

The integrated test terminal unit having the above-described image protection and live-line display function has a function of removing a connection terminal exposed in a conventional front part and applying a latch relay inside the device to prevent the danger of electric shock in a live part, So that the position can be easily changed. In other words, the PTT and CTT are integrated by removing the connection terminals exposed on the front part and based on the relays installed inside the test unit, so that the voltage and current are integrally tested with one device, and at the same time, So that the user can easily identify the side. Specifically, a key input unit (101, 102) including an operation mode key and a test mode key of the relay, an integrated terminal block integrated with a voltage test terminal block (PTT) of the relay and a current test terminal block (CTT) And a control unit 130 for integrally testing the voltage and current measurement operation status of the relay to the integrated terminal block 120. The integrated terminal block 120 includes a common power source side TB electrically connected to the PTT and the CTT to commonly supply test power and a main contact relay for corresponding voltage of the common power source TB, The PTT and the TBT of the common power supply are electrically connected to the corresponding phase terminal, and the current main contact point is connected between the corresponding current main contact relay and the common power supply side TB, And a CTT constituted by a relay for a short circuit. At this time, when the operation mode key signal is inputted, the controller 130 performs a basic operation mode to completely short-circuit the main contact relay for the corresponding voltage of the PTT, and to open and close the current main contact short- And the main relay for each equivalent current for the corresponding voltage of the PTT is opened when the test mode key signal is inputted to convert the test mode into the test mode. In the current measurement test, The relay for short-circuiting the main main contacts is opened for the entire short-circuited and the relay for the main currents corresponding to the main currents, so that the voltage and current measurement of the relay are normalized. In this regard, in order to enable the control mode to be switched to a stable operation mode after the completion of the test mode, the control unit 130 preferentially assigns each corresponding current main contact relay of the CTT when the operation mode key signal is input And the relay for short-circuiting the current main contacts is opened all the time, thereby performing the basic operation mode. Meanwhile, in the integrated test terminal unit having the image-forming protection and live-line display function according to the present invention, the existing TTB has only a simple mechanical specification, The main breaker that supplies power to the load is turned off to prevent burnout of the three-phase load such as the motor in advance. will be. For this purpose, the integrated type test terminal unit having the above-described image forming protection and live-line display function is configured such that, based on whether or not a voltage exceeding a predetermined voltage is detected for each phase of the common power supply TB, And outputting an OFF signal to the main breaker which cuts off the power supply and outputs the off-signal to the main circuit breaker, 143). Specifically, the measurement test image formation processing units 141 to 143 include a voltage detection transistor unit 141 electrically connected to each phase of the common power supply TB and detecting a voltage of a predetermined voltage or more for each of the phases, An image detector 142 for detecting an image in which a voltage equal to or higher than the predetermined voltage is not detected based on whether or not the voltage of the detection transistor unit 141 is detected as an image, And a signal output unit 143 for outputting an off signal to the main breaker and for outputting an unlit signal to a display unit of an upper line corresponding to the detected image formation. The display unit 170 includes a display unit 170 for displaying whether or not an image has been matched for each upper line of the common power source TB. The display unit 170 displays an image corresponding to the image formed by the signal output unit 143 The display unit unlit signal of the upper line is outputted and the display unit of the imaging line is turned off. In this regard, the control unit 130 further includes control power supply units 111 to 113 for supplying control power to the measurement test image formation processing units 141 to 143 under the control of the control unit 130, 130 converts the test mode key signal to a test mode so as to cut off the line power to the load side. When the line power is not detected, the control power supply units (111 to 113) And outputs the control power of the control unit. Specifically, the control power supply units 111 to 113 include a battery unit 111 for generating an output when the line power is not detected under the control of the controller 130, A charging unit 112 and a power converter 113 for converting the power charged by the charging unit 112 into control power of the measurement test image formation processing units 141 to 143 and supplying the control power to the measurement test image formation processing units 141 to 143 ). Meanwhile, the integrated type test terminal unit having the image protection and live line display function according to the present invention can line-display the three-phase four-wire line and the three-phase line line on the front display unit without any separate operation. To this end, the integrated type test terminal unit having the image forming protection and hot line display function has the common power source TB having a power phase configuration of three phases (R, S, T) and a neutral line (N) A second display unit including a display unit matched to the wiring type of the TB, and a second display unit including a display unit for detecting a voltage equal to or higher than the predetermined voltage based on whether or not a voltage higher than a predetermined voltage is detected between an upper line voltage and a neutral line voltage of the common power supply (3), (3), (3), (3), (3), (3), (3) and (3) 150). The integrated type test terminal unit having the image forming protection function and the live wire display function according to the present invention is provided with a test plug food terminal so that the test time can be shortened by easily connecting the test device, And a limit switch for checking the cover opening state is provided, and when the cover is opened, it is automatically switched to the test mode, thereby having a safety accident prevention function. In order to achieve the above object, the integrated type test terminal unit having the image-forming protection and live-line display function is provided with an insertion terminal portion for connecting the test tester of the relay, a safety cover for opening and closing the insertion terminal portion, And a limit switch (103) for outputting a first signal when detecting the opening of the safety cover and outputting a second signal when detecting the closing of the safety cover. The controller (130) (For example, the default state of the test mode non-converting operation) when the first signal is output from the limit switch 103 and the test mode is automatically performed when the first signal is outputted from the limit switch 103, . The integrated type test terminal unit having the image protection and live display function according to the present invention has a function of checking the connection state of the test terminal by the battery power when the line power is not supplied. To this end, the integrated type test terminal unit having the image forming protection and live line display function includes a test terminal connection state check switch (not shown) at the time of interruption of the line power supply, and a display unit 3 display unit. When the status checking ON signal is inputted from the status check switch when the line power is cut off, the control unit 130 displays a display unit for notifying the test terminal connection status to the battery unit power source Check the connection of the test terminals.

FIG. 2 is a view showing an outer appearance (a front portion, a side portion, and a rear portion) of an integrated type test terminal unit having an image formation protection and a live display function according to the present invention.

As shown in FIG. 2, an integrated type test terminal unit having an image-forming protection and a live-line display function according to the present invention includes an operation switch (SW) 201 (operation mode switch- ), A test switch (SW) 202 (test mode switch - switch to a test mode when a relay or an instrument is tested to disconnect the line), a status check switch (SW) Status switch - Front panel lamp lights up), connection jack (204) (device to connect the tester during relay test), limit switch (SW) (205) , Safety cover (206) (safety cover for connecting cover safety cover), power supply side lamp (LAMP) (207) (lamp status check lamp on the power side - Load side lamp (LAMP) (2 08) (It lights up in the operation mode and can check the line connection status). In the integrated type test terminal unit having the image protection and live-line display function according to the present invention, the power-side TB 209 (the power-side terminal is installed in the inside to easily distinguish and secure the safety) ), CT TB (terminal for CT connection), phase output TB 212 (terminal for OFF signal for single phase phase failure) and PT TB (terminal for PT connection) are included in the rear part .

3 is a single line drawing showing the configuration of the single wire connection according to the present invention. Specifically, "(a-1)" in FIG. 3 is a conventional single line wiring diagram, "(a-2)" is a schematic diagram showing an existing test actual operation, and "b" is a single line wiring diagram according to the present invention.

As shown in FIG. 3, the integrated test terminal unit 303 having the image-forming protection and live-line display function according to the present invention is formed by integrating a voltage test terminal block PTT and a current test terminal block CTT 3 "b"). That is, in the test unit of the existing distribution board, the voltage test terminal block 301 for testing the voltage and the current test terminal 302 for testing the current are separately separated (see "(a-1)" in FIG. 3 ) The plug-in type terminal-based type (also referred to as a plug-in type) in which a test procedure is not easy, and a connection terminal provided in a test terminal 3 "(a-2)") In the test, there is a risk of electric shock due to the exposure of the connection terminal installed at the front part. Also, since there is no distinction between the rear power source side and the load side terminal, A short circuit or the like may occur. However, the integrated type test terminal unit 303 having the image-forming protection and live-line display function according to the present invention has such a problem In order to solve this problem, we removed the connection terminal exposed on the front part and integrated the PTT and CTT based on the relay installed inside the test unit, and integratedly tested the voltage and current. In addition, So that the user can easily distinguish it. In addition, there is provided a configuration for solving the problem that the live part status test of the existing mechanical specification panel is not confirmed, so that the beginner can easily recognize the live state.

FIG. 4 is a view sequentially showing the operation of the integrated test terminal unit having the image forming protection and live display function according to the present invention.

As shown in FIG. 4, the integrated test terminal unit having the image protection and live display function according to the present invention performs a basic operation mode upon input of an operation mode key signal, The main relay for each equivalent voltage of the PTT is short-circuited, and the relay for short-circuiting the main main contact of the CTT is short-circuited to the relay for the entire main relay and the relay for each main current. And performs the basic operation mode (S401 to S402).

At this time, when the operation mode key signal is inputted, each corresponding current main contact relay of the CTT is preferentially entirely short-circuited, and the relay for short-circuiting the current main contact is opened so as to prevent electrical anomalies, Mode to be performed. For example, after completing the test mode, it can be converted into a stable operation mode so that it can be performed.

Next, when the test mode key signal is input (S403), the test mode is changed (S404), the line power to the load side is turned off (S405), and when the line power is not detected (S406), the control power is outputted (S407). In other words, when the test mode key signal is input, the test mode is switched to the test mode and the line power is cut off. When the line power is not detected, the battery output is generated and then converted into the DC control power. And supplied to the test element (including the " measurement test image formation processor "in Fig. 1).

During the voltage measurement test (S408), the main contact relay for each equivalent voltage of the PTT in the integrated terminal block is entirely opened (S409). During the current measurement test (S408), the current main contact short- (S410), and the voltage and current measurement operation of the relay are subjected to integrated test processing.

As a result, the user can easily and safely test the relay without risk of electric shock by testing the voltage and current measurement operation of the relay using the latch relay applied to the inside of the device by removing the connection terminal exposed to the existing front part.

Meanwhile, in order to solve the problem that the existing TTB has only a simple mechanical specification and the live state is not confirmed, the integrated type test terminal unit having the image formation protection and live line display function according to the present invention has an operation state and a test position state It is equipped with a lamp so that even the beginner can easily recognize the live state, and the main breaker that supplies power to the load during the phase failure is turned off so that the 3 phase load such as the motor can be prevented from being burned out in advance , And specific operations are as follows (refer to "measurement test imaging unit" in Fig. 1).

That is, the integrated type test terminal unit having the above-described image forming protection and live-line display function is configured to detect whether or not a predetermined voltage is detected for each phase (R phase, S phase, T phase) (For example, an LED lamp) which outputs an off signal to the main breaker for supplying power to the load, interrupts the power supply, The display unit of the upper line corresponding to the recognized image formation is turned off.

As a result, the present invention solves the problem that the switchboard test unit of the conventional mechanical specification is not checked on the live condition, so that even the beginner can easily know the live state, and the main breaker, which supplies power to the load, (MOTOR), etc. to prevent burnout of 3-phase load in advance.

On the other hand, the integrated type test terminal unit having the image forming protection and live line display function according to the present invention allows the three-phase four-wire line and the three-phase line line to be displayed on the front display unit without any separate operation.

The concrete operation is as follows.

First, an integrated type test terminal unit having a phase protection and live display function according to the present invention is a case in which the common power source TB has a configuration of a power source phase of three phases (R, S, T) and a neutral line (N) , And when a voltage equal to or higher than the predetermined voltage is detected based on whether or not a voltage higher than a preset voltage is detected between the upper line voltage and the neutral line voltage of the common power supply TB, the display unit of the 3- If a voltage higher than the set voltage is not detected, the display unit of the 3-phase 3-wire wiring type is turned on to notify the current wiring type.

As a result, for example, the user confirms the line connection state based on the display unit informing the type of the wire that is lighted in the operation mode.

On the other hand, the integrated type test terminal unit having the image formation protection and live wire display function according to the present invention is provided with a test food container terminal for easily connecting the test device to shorten the test time, And a limit switch for checking the opening state of the cover. When the cover is opened, it is automatically switched to the test mode and has a safety accident prevention function.

To this end, the integrated test terminal unit having the image-forming protection and live-line display function is provided with an insertion terminal portion for connecting the test tester of the relay, a safety cover for opening and closing the insertion terminal portion, And a limit switch for outputting a first signal when detecting the opening of the cover and outputting a second signal when detecting the closing of the safety cover.

Then, when the first signal is outputted from the limit switch, the test mode is automatically converted into the test mode to perform the test mode according to the present invention. When the second signal is outputted from the limit switch, default processing (for example, And holds it in the default state of the conversion operation).

In addition, the integrated test terminal unit having a phase protection and live-line display function according to the present invention has a function of checking a connection state of a test terminal by battery power when the line power is not supplied.

To this end, the integrated type test terminal unit having the image protection and live line display function has a third display unit including a test terminal connection state check switch at the time of interruption of the line power, and a display unit informing the connection state of the test terminal , And when a status check ON signal is inputted from the status check switch when the line power is cut off, a display unit for notifying the test terminal connection status to the battery power source is turned on to confirm the test terminal connection status .

As a result, when the power supply is not supplied, the test terminal connection state is confirmed by the battery power and the user is notified.

Description of the Related Art [0002]
101: Test switch 102: Operation switch
103: Limit switch 111: Battery
112: charger 113: power converter
120: Integrated terminal block 130:
141: Voltage detection TR 142: Image deflection detector
143: Signal output unit 150: Wire connection detector
160: Operation confirmation TR 170: Display

Claims

1. A relay test unit for testing whether or not a relay for measuring and monitoring a power system (including a voltage and a current)
A key input unit configured to include an operation mode key and a test mode key of the relay;
An integrated terminal block integrated with the voltage test terminal block (PTT) of the relay and the current test terminal block (CTT); And
A controller for integrally testing the voltage and current measurement operation status of the relay with the integrated terminal block;
Lt; / RTI >

The integrated terminal block includes:
A common power supply side TB that is electrically connected to the PTT and the CTT to supply test power in common; a PTT that is electrically connected to the corresponding phase terminal with a main contact relay for each voltage of the common power supply TB; The CTT is composed of relays for each primary current of the power source and relay for the main current of each adjacent phase between the corresponding primary current relay and the common power source side TB, However,

Wherein,
The main operation relay for the corresponding voltage of the PTT is entirely short-circuited by performing the basic operation mode when the operation mode key signal is inputted, and the relay for current main contact short- When the test mode key signal is inputted, the test mode is converted into a test mode, so that the main contact relay for each equivalent voltage of the PTT is opened when the voltage measurement test is performed, and the relay for current main contact short- The relay for short-circuit and each equivalent main current is opened in total, and the voltage and current measurement operation of the relay are subjected to integrated test processing,

Wherein,
Performing a basic operation mode by causing the relay for each current main contact point of the CTT to be entirely short-circuited in priority when the operation mode key signal is inputted and opening the relay for short-circuiting the current main contact entirely;
And a plurality of test terminals.

delete

The method according to claim 1,
An OFF signal is outputted to the main breaker which cuts off the power supply based on whether or not a voltage higher than a preset voltage is detected for each phase of the common power supply TB, A measurement test image formation processing unit for turning off the display units of the upper line corresponding to the image formation among the display units matched for each of the upper lines;
And an integrated test terminal unit.

The method of claim 3,
The measurement test image formation processing unit,
A voltage detecting transistor unit which is electrically connected to each phase of the common power supply TB and detects a voltage of a predetermined voltage or more for each of the phases;
An image-forming detector for detecting an image in which a voltage equal to or higher than the predetermined voltage is not detected based on whether or not a voltage of the voltage detecting transistor unit is detected as an image; And
A signal output unit for outputting an off signal to the main breaker and outputting an unlit signal to a display unit of an upper line corresponding to the detected image formation when the image formation detector detects image formation;
And an integrated test terminal unit.

5. The method of claim 4,
A display unit including a display unit for indicating whether an image has been formed by matching each of the image lines of the common power source TB;
Lt; / RTI >

The display unit includes:
Outputting a display unit extinction signal of an upper line corresponding to the image formation detected from the signal output unit and turning off the display unit of the image formation line;
And a plurality of test terminals.

6. The method according to any one of claims 3 to 5,
A control power supply unit for supplying control power to the measurement test image formation processing unit upon interruption of the line power under the control of the control unit;
Lt; / RTI >

Wherein,
The control unit switches the test mode to the test mode to cut off the line power to the load side, and when the line power to the load side is not detected by the cutoff, the control power source of the control power supply unit Output;
And a plurality of test terminals.

The method according to claim 6,
Wherein the control power supply unit includes:
A battery unit for generating an output under the control of the control unit when the line power source is not detected;
A charging unit operable to charge the battery unit at all times; And
A power converter that converts the power charged by the charging unit into a control power source of the measurement test image formation processing unit and supplies the power to the measurement test image formation processing unit;
And an integrated test terminal unit.

The method according to claim 1,
The common power supply TB,
(R, S, T) and a neutral line (N)

A second display unit including a display unit matched to the wiring type of the common power supply TB; And
When a voltage equal to or higher than the preset voltage is detected based on whether or not a voltage higher than a preset voltage is detected between the upper line voltage and the neutral line voltage of the common power supply TB, the display unit of the 3- A wiring detector for lighting the display unit of the 3-phase 3-wire wiring type and notifying the current wiring type when a voltage higher than the voltage is not detected;
And an integrated test terminal unit.

The method according to claim 1,
An insertion terminal portion for connecting the test tester of the relay;
A safety cover for opening and closing the insertion terminal portion; And
A limit switch for outputting a first signal when the safety cover is opened and detecting a closing of the safety cover, and a second signal when it is detected that the safety cover is closed;
Lt; / RTI >

Wherein,
Performing a test mode when the first signal is outputted from the limit switch and performing a default process when the second signal is outputted from the limit switch;
And a plurality of test terminals.

8. The method of claim 7,
A test terminal connection state check switch when the line power is cut off; And
A third display unit including a display unit for indicating a connection state of the test terminal;
Lt; / RTI >

Wherein,
And a display unit for notifying the connection state of the test terminal to the battery unit power supply when the status check ON signal is inputted from the status check switch when the line power supply is interrupted to confirm the test terminal connection state ;
And a plurality of test terminals.

A switchboard comprising a relay for measuring and monitoring a power system (including a voltage and a current) in cooperation with a tester, and a relay test unit for testing whether or not the relay measurement operation is normal,
The relay test unit includes:
A key input unit configured to include an operation mode key and a test mode key of the relay;
An integrated terminal block integrated with the voltage test terminal block (PTT) of the relay and the current test terminal block (CTT); And
A controller for integrally testing the voltage and current measurement operation status of the relay with the integrated terminal block;
Lt; / RTI >

The integrated terminal block includes:
A common power supply side TB that is electrically connected to the PTT and the CTT to supply test power in common; a PTT that is electrically connected to the corresponding phase terminal with a main contact relay for each voltage of the common power supply TB; The CTT is composed of relays for each primary current of the power source and relay for the main current of each adjacent phase between the corresponding primary current relay and the common power source side TB, However,

Wherein,
The main operation relay for the corresponding voltage of the PTT is entirely short-circuited by performing the basic operation mode when the operation mode key signal is inputted, and the relay for current main contact short- When the test mode key signal is inputted, the test mode is converted into a test mode, so that the main contact relay for each equivalent voltage of the PTT is opened when the voltage measurement test is performed, and the relay for current main contact short- Short-circuiting and relaying of the respective main current-carrying terminals is made to be open as a whole, and the voltage and current measurement operation of the relay are normally integrated;
ego,

Wherein,
Performing a basic operation mode by causing the relay for each current main contact point of the CTT to be entirely short-circuited in priority when the operation mode key signal is inputted and opening the relay for short-circuiting the current main contact entirely;
And a control unit for controlling the switch unit.

delete

12. The method of claim 11,
An OFF signal is outputted to the main breaker which cuts off the power supply based on whether or not a voltage higher than a preset voltage is detected for each phase of the common power supply TB, A measurement test image formation processing unit for turning off the display units of the upper line corresponding to the image formation among the display units matched for each of the upper lines;
And a second test terminal unit connected to the second test terminal unit.

14. The method of claim 13,
The measurement test image formation processing unit,
A voltage detecting transistor unit which is electrically connected to each phase of the common power supply TB and detects a voltage of a predetermined voltage or more for each of the phases;
An image-forming detector for detecting an image in which a voltage equal to or higher than the predetermined voltage is not detected based on whether or not a voltage of the voltage detecting transistor unit is detected as an image; And
A signal output unit for outputting an off signal to the main breaker and outputting an unlit signal to a display unit of an upper line corresponding to the detected image formation when the image formation detector detects image formation;
And a second test terminal unit connected to the second test terminal unit.

15. The method of claim 14,
A display unit including a display unit for indicating whether an image has been formed by matching each of the image lines of the common power source TB;
Lt; / RTI >

The display unit includes:
Outputting a display unit extinction signal of an upper line corresponding to the image formation detected from the signal output unit and turning off the display unit of the image formation line;
And a control unit for controlling the switch unit.

16. The method according to any one of claims 13 to 15,
A control power supply unit for supplying control power to the measurement test image formation processing unit upon interruption of the line power under the control of the control unit;
Lt; / RTI >

Wherein,
The control unit switches the test mode to the test mode to cut off the line power to the load side, and when the line power to the load side is not detected by the cutoff, the control power source of the control power supply unit Output;
And a control unit for controlling the switch unit.

17. The method of claim 16,
Wherein the control power supply unit includes:
A battery unit for generating an output under the control of the control unit when the line power source is not detected;
A charging unit operable to charge the battery unit at all times; And
A power converter that converts the power charged by the charging unit into a control power source of the measurement test image formation processing unit and supplies the power to the measurement test image formation processing unit;
And a second test terminal unit connected to the second test terminal unit.

12. The method of claim 11,
The common power supply TB,
(R, S, T) and a neutral line (N)

A second display unit including a display unit matched to the wiring type of the common power supply TB; And
When a voltage equal to or higher than the preset voltage is detected based on whether or not a voltage higher than a preset voltage is detected between the upper line voltage and the neutral line voltage of the common power supply TB, the display unit of the 3- A wiring detector for lighting the display unit of the 3-phase 3-wire wiring type and notifying the current wiring type when a voltage higher than the voltage is not detected;
And a second test terminal unit connected to the second test terminal unit.

12. The method of claim 11,
An insertion terminal portion for connecting the test tester of the relay;
A safety cover for opening and closing the insertion terminal portion; And
A limit switch for outputting a first signal when the safety cover is opened and detecting a closing of the safety cover, and a second signal when it is detected that the safety cover is closed;
Lt; / RTI >

Wherein,
Performing a test mode when the first signal is outputted from the limit switch and performing a default process when the second signal is outputted from the limit switch;
And a control unit for controlling the switch unit.

18. The method of claim 17,
A test terminal connection state check switch when the line power is cut off; And
A third display unit including a display unit for indicating a connection state of the test terminal;
Lt; / RTI >

Wherein,
And a display unit for notifying the connection state of the test terminal to the battery unit power supply when the status check ON signal is inputted from the status check switch when the line power supply is interrupted to confirm the test terminal connection state ;
And a control unit for controlling the switch unit.