KR101239876B1 - Multi purpose terminal block for watt-hour meter works - Google Patents

Abstract

PURPOSE: A multi-terminal block for uninterruptible watt hour meter replacement is provided to easily assembly a multi-terminal block and to reduce construction cost and time. CONSTITUTION: A terminal block body(100) opens inside upward, wires a power connection block(200) inside, forms a plurality of electric line insertion units(120), inserts each electric line to the circumference and electrically connects with the power connection block. The power connection block is electrically connected with a line of Korea electric power corporation through a Korea electric power corporation power input terminal(240). A watt hour meter power input terminal(250) of the power connection block is electrically connected with a watt hour meter and supplies power input through the Korea electric power corporation power input terminal. A watt hour meter power output terminal(260) of the power connection block is electrically connected with the watt hour meter and supplies power output from the watt hour meter to a subscriber power input terminal(270). The subscriber power input terminal of the power connection block is selectively connected through the watt hour meter power output terminal and a connector(290) and supplies to the subscriber.

Description

Multi Purpose Terminal Block For Watt-Hour Meter Works

The present invention, when replacing the existing electricity meter with a new electricity meter, or when additionally installed a new electricity meter, the operator can safely replace the dangerous live work according to the oblique work, the existing power users can easily replace without needing a power cut for work The present invention relates to a multi-terminal stage for replacing an uninterruptible power meter.

In general, the electricity meter is a gauge installed to visually check the power used in a factory, home, or self-employment place. The electricity meter is a mechanical type that rotates a circular measuring plate by receiving voltage and current of a power line while being connected in series with the power line. Digital expressions that directly represent numerical values are used.

Conventional power meters are made of polycarbonate synthetic resin having a thickness of 3 mm or more having impact resistance, flame retardancy, and weather resistance. The types of power meters are single-phase three-wire and three-phase three-wire, and three-phase four-wire all types used for single-phase two-wire full capacity There is a medium type used for the capacity, and the box is formed in an outer shape, integrally formed in the lower side of the housing with a measuring plate in the inner space, and has a terminal block having a plurality of terminal grooves into which load and supply wires are fitted. have.

Fix the wattmeter through the fastening means such as bolts at the power use points, insert the exposed part of the load side wires and the supply wires into the terminal groove of the terminal block, and fasten the bolts installed on the terminal block. Will be displayed through the instrument panel.

On the other hand, when performing the electricity meter replacement work because the work is carried out in a small collection box or a separate box in the field conditions, there was a problem that a long power outage and a large-scale safety accident occurs.

In order to solve the above problems there is a patent No. 10-0904560, briefly described, the KEPCO power input terminal 110, power meter power input terminal 120, power meter power output terminal 130 ), A customer-side power input terminal 140, a power metering switching means 150, a customer-side switching means 160, branch contact terminals 111 and 141, bypass switching means 170 are disclosed.

The prior art has the advantage of preventing the safety accident due to electric shock by completely cutting off the power to the electricity meter by using the control switch stage and then to replace the electricity meter.

However, in the case of the prior art, the structure is very complicated, and manufacturing costs are inevitably increased in manufacturing the same, and in case of breakage, the replacement cost is also increased due to the need to replace the whole part instead of replacing a part. there was.

The present invention has been made in order to solve the above problems, it is possible to perform a convenient replacement work without the power off to the home when replacing the electricity meter, and in addition to replacing the electricity meter from the worker's point of view as well It is possible to work safely according to the live wire work, and the structure is very simple, and it is easy to assemble and produce, and it is related to the multi-terminal replacement for uninterruptible electricity meter which can greatly reduce the construction cost and time.

According to an aspect of the present invention,

A terminal block main body having a plurality of wire insertion portions formed therein, the inside of which is open upwardly so that the power connector can be wired from the inside thereof, and each wire is inserted therein so as to be electrically connected to the power connector;

The power supply terminal of the KEPCO side line is electrically connected to the KEPCO line, the power meter terminal is electrically connected to the electricity meter and supplies power input through the KEPCO power input terminal, and is connected to the electricity meter and output from the electricity meter. Power meter power output terminal for supplying power to the customer side power input terminal, power meter power output terminal and customer side for supplying power to the customer by selectively electric connection through power meter power output terminal and connector, power meter power output terminal and customer side A power connector having a connector for selectively electrically connecting the power input terminal, the power connector being installed in the terminal block body;

It characterized in that it comprises a main body cover detachably installed in the opening of the terminal block body.

In addition, in the present invention, the power distributing power input terminal electrically connected in series with the KEPCO power input terminal is further provided on the opposite side of the KEPCO power input terminal to which the KEPCO side line is electrically connected.

In addition, in the present invention, the main body cover is characterized in that it is manufactured to be transparent to check the inside from the outside.

In the present invention, the connector is characterized in that the bolt.

According to a preferred embodiment of the present invention, since the initial manual branch connection of the electricity meter is unnecessary during account division construction or account opening work, as in the conventional case, at the complicated manual branch connection point on the primary side of the electricity meter in the narrow space inside the electricity meter box as before. It is not necessary to perform the branch connection again by live work, and since the work is performed in accordance with the diagonal work without exposure of the live part, there is an effect that can prevent the occurrence of safety accident of the worker.

In addition, simply install an additional electricity meter and connect it to the terminal of the existing electricity meter to complete the branch connection, which greatly simplifies the work and reduces the waste of time for the electrostatic consent of the existing customer. There is an advantage to prevent.

In addition, the terminal connection instead of manual branch connection can be prevented in advance, and the wiring on the primary (power) side of the electricity meter is arranged in a horizontal line, thus preventing erroneous wiring and erroneous wiring and natural wiring. There is an advantage that the naked eye can be confirmed.

In addition, since it can proceed according to the diagonal line work without exposing the live part, there is no risk of short-circuit accident or the worker's safety tape being temporarily wound around the live part exposed to remove the worker's electric shock. There is an advantage that can greatly improve efficiency.

In order to prevent a short circuit accident or an electric shock to the worker, loosen the connection bolt of the electricity meter and disconnect the electric wire, and then temporarily remove the live tape from the exposed line and remove the electricity meter after replacing the electricity meter. Since the reorganization of the wires (such as re-fastening the ties) is unnecessary, there is an advantage of simplifying the work and improving the work efficiency.

In addition, work byproducts such as wire chips and wire sheaths are rarely generated, eliminating the problem of having to clean the surroundings after work.

Furthermore, since the KEPCO power input terminal and the customer power input terminal can be selectively electrically connected through the connector while KEPCO side power is continuously supplied, the KEPCO side interruption problem caused by the replacement operation is fundamentally inherent. While it can be resolved, the power supply to the home can be maintained smoothly, and the civil complaints can be solved at the source.

1 is a schematic diagram of an uninterruptible power meter replacement multi-terminal block according to the present invention.
2 and 3 are a perspective view and an exploded perspective view of the multi-terminal for replacing the uninterruptible power meter according to the invention.
Figure 4 is an exploded perspective view showing a separate power connection in the uninterruptible power meter replacement multi-terminal according to the present invention.
5 is a sectional view taken along line AA ′ of FIG. 2.
Figure 6 is a view for explaining the state of use of the multi-terminal for replacing the uninterruptible power meter in accordance with the present invention.
7a and 7b is a view for explaining the replacement of the electricity meter in the multi-terminal for replacing the uninterruptible electricity meter in accordance with the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail.

Referring to Figure 1, the uninterruptible power meter replacement multi-terminal block according to the present invention is composed of a terminal block main body 100, the power connection unit 200 and the body cover 300, is installed in the electricity meter box (1) Electrically connected.

2 and 3, the terminal block main body 100 is a cube-shaped box made of synthetic resin, in the present embodiment is detachably installed in the electric meter box 1 is installed a power meter (2).

The terminal block main body 100 has an inner opening upward so that the power connection unit 200 is placed inside and connected to the wire, and in particular, between the first, second, and third connection units 210, 220, and 230 constituting the power connection unit 200. In order to be able to be stored separately while blocking the electrical contact a plurality of connecting seat mounting portion 110 is formed integrally on the inner bottom.

In addition, a plurality of wire insertion portions 120 are formed at the periphery of the terminal block main body 100 so that respective wires are drawn in from the outside so as to be electrically connected to the terminals 240, 250, 260, 270, and 280 of the power supply connection 200.

In the present embodiment, as an example, the exterior is formed as a hexahedron and the connecting seat seat 110 is formed therein. However, this is only one embodiment. It is to be known forms such as angles, and the inside of the power connector 200 may be fixed by using a screw bolt or the like so as not to contact only between the first, second, third connection (210, 220, 230), it is preferable to limit to this Not.

2 to 4, the power supply connecting rod 200 is replaced with a new generation electricity meter 2 when the electricity meter 2 installed in the distribution box 1 is replaced with a customer and another generation without interrupting power input from the KEPCO side. It can be delivered.

The power connector 200 is formed at the distal end of the first, second, third connection (210, 220, 230) and the first, second, third connection (210, 220, 230) terminal and 240 and 250, 250, 260, 270, 280 and electrically connected to each wire and the connector 290 It consists of

In order to fundamentally block electrical contact between the first, second, and third connecting rods 210, 220, and 230, in the case of the second connecting rod 220, the metal piece portion passing through the first connecting rod 210 is downwardly prevented to prevent electrical contact. In the case of the third connector 230, the middle portion passing through the first and second connectors 210 and 220 is bent downward to prevent electrical contact.

In addition, the terminals 240, 250, 260, 270, and 280 formed at the distal ends of the first, second, and third connection tables 210, 220, and 230 will be described in detail with reference to FIG. 1 as follows. For reference, a live line of the KEPCO line is formed on the first and third connecting blocks 210 and 230 of the first and second connecting blocks 210, 220 and 230, and a neutral line of the KEPCO line is connected to the second connecting block 220. ) Is electrically connected.

First, the KEPCO-side power input terminal 240 is formed on the left side of the first and second connectors 210 and 220, and the KEPCO-side line is inserted inward through the wire insertion unit 120 (see FIG. 3) to supply the KEPCO-side power input. It is fixed via a fixing means (screw bolt, etc.) formed in the terminal 240.

For reference, the KEPCO line is the active wire and the neutral wire is introduced, wherein the live wire (activity line) is a terminal of the first connecting rod 210, the neutral wire (middle line) is installed at the terminals of the second connecting rod 220, respectively. .

The electricity meter power input terminal 250 is formed on the upper left side of the first and second connecting rods 210 and 220, and is electrically connected to the electricity meter 2 to supply power input through the KEPCO side power input terminal 240. do.

In the present embodiment, a pair of wires drawn out from the electricity meter 2 are inserted inwards through the wire insertion unit 120 (see FIG. 3) to mediate the fixing means (screw bolts, etc.) formed in the electricity meter power input terminal 250. Is fixed.

The electricity meter power output terminal 260 is formed on the upper right side of the second and third connecting units 220 and 230, and is electrically connected to the electricity meter 2 to receive power output from the electricity meter 2 to the customer side power input terminal 270. Function to supply

In the present embodiment, a pair of wires drawn out from the electricity meter 2 are inserted inwards through the wire insertion unit 120 (see FIG. 3), and the fixing means (screw bolts, etc.) formed in the electricity meter power output terminal 260 are mediated. Is fixed.

The customer-side power input terminal 270 is formed at the bottom of the second and third connecting units 220 and 230, and is selectively electrically connected to the power meter through the power output terminal 260 and the connector 290 to supply power to the customer. Do it.

In the present embodiment, a pair of wires drawn from the home is inserted inwards through the wire insertion unit 120 (see FIG. 3) to be fixed by fixing means (screw bolts, etc.) formed at the customer side power input terminal 270. do.

The power supply input terminal 280 for power distribution is formed on the right side of the first and second connectors 210 and 220, and is electrically connected in series with the KEPCO side power input terminal 240 to supply power to other homes.

In the present embodiment, a pair of wires drawn from other homes are inserted inwards through the wire insertion unit 120 (see FIG. 3), through fixing means (screw bolts, etc.) formed on the power input terminal 280 for distribution. It is fixed.

Therefore, as shown in FIG. 6, the power supply of the KEPCO side can be easily supplied to a plurality of homes through a single home without having to separately draw a line on the KEPCO side and connect it to each home. have.

Meanwhile, it is to be noted that the first connecting rod 210 and the third connecting rod 230 are selectively electrically connected through the connector 290 installed in the first connecting rod 210.

Here, the connector 290 is a bolt, in particular, the connector 290, that is, the head portion of the bolt is preferably formed of a synthetic resin or synthetic rubber to block the electricity supply.

By forming a synthetic resin or synthetic rubber in the connector 290, that is, the head of the bolt as described above, even if the operator contacts the driver 290 in the state where electricity is supplied to the KEPCO side, electric shock and sparks are generated. Minimization can protect workers from safety accidents.

For example, in order to replace the old electricity meter (2) installed in the electricity meter box (1) with a new electricity meter (2), the replacement operation was carried out while the KEPCO power was cut off for a certain time. There was a fundamental problem that caused the power supply to be cut off while causing complaints and great inconvenience in the home.

However, according to the present embodiment, the KEPCO power input terminal 240 and the customer power input terminal 270 may be electrically interconnected through the connector 290 while the KEP power is continuously supplied. Therefore, the power supply to the home can be maintained smoothly while the KEPCO side disconnection problem caused by the replacement work can be maintained as in the past, and thus there is an advantage that the civil complaints can be solved at the source.

In the present embodiment, the power connector 200 is formed in a known bus bar type, but this is only one embodiment, and may be modified in various known forms as necessary.

In addition, in the present embodiment, the terminals 240, 250, 260, 270, and 280 are integrally formed at the distal ends of the first, second and third connecting rods 210, 220, and 230, but this is only one embodiment. Since the combination may be manufactured in one piece, it is not preferable to limit the analysis to this.

The body cover 300 is to open and close the opening of the terminal block main body 100 so as to block the contact of outsiders, in the present embodiment is seated on the terminal block main body 100 is fixed via a fastening means (screw bolt).

In particular, the main body cover 300 is preferably manufactured to be transparent to the whole or part so that the administrator can easily check the inside.

In the present embodiment, as an example, the terminal block main body 100 and the body cover 300 is described and illustrated in a manner of separating, but this is only one embodiment, for example, the terminal block main body 100 and the main body Since the cover 300 may be rotatably installed through the hinge, it is not preferable to limit the analysis to the cover 300.

In addition, it is manufactured to be transparent so that the inside can be seen from the outside of the main body cover 300, it may be modified to cover the portion of the electricity meter (2) and the terminal unit body 100 at the same time.

Referring to the state of use of the present invention made of a configuration as described above are as follows.

1 and 6, the electricity meter 2 is installed on the front of the electricity meter box 1 and the terminal block according to the present invention is installed at the lower portion of the electricity meter 2.

Then, the wire drawn out from the electricity meter 2 in a state where the main body cover 300 constituting the terminal block is separated from the terminal block main body 100 is connected to the electricity meter power input terminal 250 and the electricity meter power output terminal 260, respectively. The customer side power input terminal 270 is connected to the wire drawn from the home.

Next, the KEPCO line is inserted into the wire insertion unit 120 and connected to the KEPCO power input terminal 240.

In addition, when a new electricity meter to be supplied to another household is needed, a wire drawn out from another household, that is, a primary side wire of the newly installed electricity meter may be connected to the power distribution input terminal 280 for distribution.

After the wiring is connected as described above, the opening of the terminal body 100 may be closed (sealed) by using the main body cover 300 which has been separated.

Therefore, when the wiring is connected as described above, power is supplied through the KEPCO side line, and power is supplied to the home through the electricity meter 2.

On the other hand, if you want to replace a new one due to the aging of the existing electricity meter (2) in the installation state as described above, first, the operator using the driver in the state in which the main body cover 300 is detached from the terminal unit main body 100 When the connector 290 that is fastened to the first connector 210 is turned, the connector 290 which is screwed down is lowered and is electrically connected to the third connector 230. In this case, the operator has an existing electricity meter 2. After drawing out from the wires connected to the electricity meter power input terminal 250 and the electricity meter power output terminal 260, and install a new electricity meter (2) in the electricity meter box (1), as shown in Figure 7a and 7b It was.

Then, wires drawn from the new meter 2 are connected to the meter meter input terminal 250 and the meter meter output terminal 260, respectively.

On the other hand, in the case of the present embodiment is shown and described as a single preferred embodiment as a single phase, which is only one embodiment to the last, for example, it can be implemented in three phases through the configuration as described above, so limited to this The interpretation is not preferable.

In addition, since the sealing structure is already well-known technology in the corresponding part, a description thereof will be omitted.

According to an exemplary embodiment of the present invention, the KEPCO power input terminal 240 and the customer power supply input terminal 270 may be electrically interconnected through the connector 290 while the KEP power is continuously supplied. As a result, it is possible to fundamentally solve the KEPCO side disconnection problem caused by the replacement work as in the past, and to maintain the power supply to the home smoothly, which has the advantage of eliminating the civil complaint problem.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

1: Electric meter box 2: Electric meter 100: Terminal block body
110: connection insert insertion part 120: wire insertion part 200: power connection
210: first connector 220: second connector 230: third connector
240: KEPCO power input terminal 250: Power meter power input terminal
260: power meter power output terminal 270: customer side power input terminal
280: power input terminal for power distribution 290: connector
300: main body cover

Claims (4)

The inside of the terminal is open upwards so that the power connector 200 can be wired from the inside, each of the wires is inserted around the terminal block body formed with a plurality of wire insertion portion 120 to be electrically connected to the power connector 200 100;
A voltmeter power input terminal 250 in which the KEPCO side line is electrically connected to the KEPCO side power input terminal 240, and an electricity meter 2 that is electrically connected to the KEPCO side power input terminal 240 to supply power input through the KEPCO side power input terminal 240. And a wattmeter power output terminal 260 electrically connected to the wattmeter 2 and supplying power output from the wattmeter 2 to the customer side power input terminal 270, a wattmeter power output terminal 260, and a connector ( A connector for selectively connecting the customer side power input terminal 270 and the electricity meter power output terminal 260 and the customer side power input terminal 270 to be selectively electrically connected to the customer through the 290, And a power connector 200 installed on the terminal block main body 100;
It is detachably installed in the opening of the terminal block main body 100, and includes a main body cover 300 made of a transparent so as to check the inside from the outside;
On the opposite side of the KEPCO side power input terminal 240 to which the KEPCO side line is electrically connected, the power distribution terminal 280 for power distribution is electrically provided with the KEPCO side power input terminal 240. Uninterruptible power meter replacement multi terminal block.
The method of claim 1,
The connector 290 is a multi-terminal uninterruptible power meter replacement, characterized in that the bolt.
delete delete

Images