Tool for actuating detachment or attachment of acb

Abstract

The present invention relates to a tool for operating an ACB (air circuit breaker), which is a high-current circuit breaker that extinguishes an arc using air, and is a tool for operating an ACB so that it can be safely withdrawn or inserted from a distribution board on behalf of a worker to prevent safety accidents such as electric shock or burns caused by an arc occurring between electrodes when the current is suddenly interrupted or flowed through the ACB.

Description

Technology Field

[0001] The present invention relates to a tool for operating an ACB, and more specifically, to a tool for operating an ACB (air circuit breaker), which is a high-current circuit breaker that extinguishes an arc using air, so that an arc may occur between electrodes when current is suddenly interrupted or flowed through the ACB, thereby preventing safety accidents such as electric shock or burns, by allowing the ACB to be safely withdrawn or inserted into a distribution board on behalf of a worker. Background Technology

[0002] An ACB (air circuit breaker) is installed in a distribution board or similar device and is used to open or close circuits in high-voltage or high-current power systems. It performs the function of interrupting current by using air as an arc extinguishing medium.

[0003] These ACBs are frequently detached for inspection, replacement, and maintenance.

[0004] Insertion or withdrawal of the ACB is performed by pressing the ACB off switch, inserting the insertion / withdrawal handle into the insertion / withdrawal handle insertion port of the ACB cradle, and then pressing the pad lock switch to rotate the inserted insertion / withdrawal handle in a predetermined direction.

[0005] It is common for the insertion or removal of the aforementioned ACB to be performed manually by an operator. This manual operation not only requires a significant amount of force but also poses a risk of safety accidents, such as electric shock and burns, if an arc occurs during the insertion or removal process.

[0006] Therefore, there is an increasing need for a new type of tool that can perform the insertion or withdrawal of ACBs on behalf of the operator.

[0007] Accordingly, the present invention proposes a method to remotely control the tool or to mount the tool on a robot hand (or robot arm) to insert or withdraw the ACB on behalf of a worker by providing a tool equipped with an off switch presser, an ACB shuttle ring key, and a pad lock presser, which inserts the ACB shuttle ring key into the ACB shuttle ring key insertion port (i.e., the insertion / extraction handle insertion port) of the ACB cradle while pressing the off switch of the ACB, and then rotates the inserted ACB shuttle ring key in a predetermined direction by pressing the pad lock switch through the pad lock presser.

[0008] Next, we will briefly explain the prior art existing in the technical field of the present invention, and then describe the technical details that the present invention aims to achieve differently from the said prior art.

[0009] First, Korean Patent Publication No. 2017-0043931 (April 24, 2017) relates to a device for inserting and removing an air circuit breaker, and relates to a technology in which a lead screw is provided to be screw-coupled to a transfer trolley capable of carrying an air circuit breaker body and can linearly drive the transfer trolley when rotated, so that when a handle inserted into the handle hole of the air circuit breaker rotates, the transfer trolley is linearly driven according to the direction of rotation to insert or remove the air circuit breaker body.

[0010] In addition, Korean Registered Patent No. 1759602 (July 13, 2017) relates to an input / output device for an air circuit breaker, and relates to a technology that allows the circuit breaker body to stop accurately at a set position by causing idle operation when abnormal operation, such as over-output or over-input, occurs at the disconnect, test, or connect positions.

[0011] As explained above, Korean Published Patent No. 2017-0043931 and Korean Registered Patent No. 1759602 merely describe the ability to linearly move a movable carriage or stop at a predetermined position through the rotational force of a handle (input / output handle) when inserting and rotating the handle into the handle insertion opening to insert or withdraw an ACB; they do not describe, suggest, or imply any technical features regarding the ACB insertion / output operation tool proposed in this invention that performs the task of inserting or withdrawing an ACB in place of a worker. The problem to be solved

[0012] The present invention was created to solve the above-mentioned problems and aims to enable the withdrawal or insertion of an ACB into a distribution panel instead of a worker.

[0013] In addition, the present invention aims to enable remote control of the insertion or withdrawal of an ACB by mounting it on a horizontal support bar configured in a distribution panel equipped with an ACB cradle including an ACB, or to enable automatic insertion or withdrawal of an ACB through a robot by mounting it on a robot hand.

[0014] In addition, the present invention aims to enable the ACB to be inserted into or removed from the distribution panel by mounting a tool for operating the insertion and removal of an ACB on a horizontal support bar of the distribution panel, turning off the ACB by applying a predetermined pressure to the off switch of the ACB through an off switch presser, inserting the ACB shuttle ring key into the ACB shuttle ring key insertion hole formed in the ACB cradle, and preventing the inserted ACB shuttle ring key from idling by applying a predetermined pressure to the pad lock switch formed in the ACB cradle through a pad lock presser, thereby rotating the ACB shuttle ring key to the left or right. means of solving the problem

[0015] A tool for operating an ACB input / output according to one embodiment of the present invention comprises: a tool mounting part that mounts the tool for operating an ACB input / output to the horizontal support bar by inserting it into a mounting hole provided in a horizontal support bar of a distribution panel; an off switch presser that turns off the off switch by applying a predetermined pressure to the off switch of the ACB; an ACB shuttle ring key configured to be inserted into an ACB shuttle ring key insertion hole and to transmit rotational force required for the input or output of the ACB; and a pad lock presser that locks the ACB shuttle ring key into the socket of the ACB shuttle ring key; and is characterized by rotating the ACB shuttle ring key locked into the socket in a predetermined direction to input or output the ACB to the distribution panel through an ACB cradle.

[0016] The above-described mounting hole is composed of a mounting projection having the opposite shape, and the tool mounting portion is configured to surround the mounting projection. The present invention includes configuring the mounting hole by replacing it with a mounting projection.

[0017] In addition, the tool mounting portion is characterized by including: the first tool mounting portion mounted in the first mounting hole provided in the first horizontal support bar, which is a horizontal support bar provided at the top of the ACB; and the second tool mounting portion mounted in the second mounting hole provided in the second horizontal support bar, which is a horizontal support bar provided at the bottom of the ACB.

[0018] In addition, the tool mounting portion is provided with at least one and is configured to be inserted into the mounting hole to a predetermined depth, and is configured to be separated only when a force greater than a predetermined amount is applied to the rear of the ACB insertion / extraction operation tool, and is characterized in that the ACB insertion / extraction operation tool is not separated from the mounting hole of the horizontal support bar when a rotational force is applied for the insertion or removal of the ACB.

[0019] In addition, the tool mounting portion is configured to include an electromagnet, and after being inserted into the mounting hole made of a ferromagnetic material, power is supplied to the electromagnet to fix the inserted tool mounting portion to the mounting hole, thereby mounting the ACB input / output operation tool to the horizontal support bar of the distribution panel.

[0020] In addition, the tool mounting portion is configured to protrude to a predetermined length, is inserted into the mounting hole to a predetermined depth, and is fixed through a plate spring between the mounting hole and the tool for operating the ACB input / output, thereby mounting the tool on the horizontal support bar of the distribution panel.

[0021] In addition, the tool mounting portion is configured to protrude to a predetermined length, is inserted into the mounting hole to a predetermined depth, and is fixed through a metal ball between the mounting hole and the tool for operating the ACB input / output, thereby mounting the tool on the horizontal support bar of the distribution panel.

[0022] Additionally, the off switch presser comprises: a press shaft connected to an end that contacts the off switch; a second elastic means coupled to the press shaft at the opposite end; and a press body surrounding one side of the press shaft and the second elastic means; and is characterized in that it is configured to apply a predetermined pressure so that the off switch remains in an off state through the elastic force of the second elastic means, even if the ACB moves from the front to the rear or from the rear to the front during the process of inserting or withdrawing the ACB from the distribution board through the ACB cradle.

[0023] In addition, the ACB shuttle ring key comprises: a wrench configured in a predetermined shape to be inserted into the ACB shuttle ring key insertion hole and fixed to the socket when a predetermined pressure is applied to the pad lock switch; a key shaft configured to transmit rotational force from a motor by inserting the wrench into the ACB shuttle ring key insertion hole; a first elastic means coupled to the key shaft on the opposite side of the wrench; and a key body surrounding one side of the key shaft and the first elastic means; and is characterized in that, during the process of inserting or withdrawing the ACB into or out of the distribution panel through the ACB cradle, even if the ACB moves from the front to the rear or from the rear to the front, the wrench is pressed against the socket with a predetermined pressure through the elastic force of the first elastic means.

[0024] In addition, the above-described ACB insertion / extraction operation tool is characterized by being mounted on a horizontal support bar of the distribution panel and configured to remotely control the rotation of the inserted ACB shuttle ring key through a remote control device to insert or withdraw the ACB into the distribution panel through the ACB cradle, or being coupled to the robot hands of a robot to insert or withdraw the ACB into or withdraw the ACB into the distribution panel through the ACB cradle via the robot hands from the robot.

[0025] In addition, a method for operating an ACB input / output using an ACB input / output operation tool according to one embodiment of the present invention comprises: a tool mounting step of mounting the ACB input / output operation tool on the horizontal support bar by inserting the tool mounting portion of the ACB input / output operation tool into a mounting hole provided in the horizontal support bar of the distribution panel; an off switch pressing step of turning off the off switch by applying a predetermined pressure to the off switch of the ACB through the off switch presser of the ACB input / output operation tool; and an ACB shuttle ring key insertion step of inserting the ACB shuttle ring key of the ACB input / output operation tool into the ACB shuttle ring key insertion hole. The method is characterized by including: a pad lock switch press step of applying a predetermined pressure to a pad lock switch through a pad lock presser of the ACB input / output operation tool to lock the inserted ACB shuttle ring key into the socket of the ACB shuttle ring key; and an input / output operation step of operating a motor of the ACB input / output operation tool through a remote control device or a robot to rotate the ACB shuttle ring key locked in the socket in a predetermined direction to input or output the ACB to the distribution board through the ACB cradle. Effects of the invention

[0026] As explained above, the present invention has the effect of preventing safety accidents caused by arcing when withdrawing or withdrawing an ACB by enabling it to be mounted on a remote control or robot to perform the withdrawal or insertion of an ACB instead of a worker. Brief explanation of the drawing

[0027] FIG. 1 is a perspective view illustrating an ACB cradle and an ACB provided in a distribution panel according to one embodiment of the present invention. FIG. 2 is a drawing illustrating a method of inserting or withdrawing an ACB by mounting an ACB insertion / extraction operation tool according to one embodiment of the present invention on a horizontal support bar. FIG. 3 is a front right perspective view of a tool for operating an ACB input / output according to one embodiment of the present invention. FIG. 4 is a front left perspective view of a tool for operating ACB insertion / extraction according to one embodiment of the present invention. FIG. 5 is a rear right perspective view of a tool for operating ACB insertion / extraction according to one embodiment of the present invention. FIG. 6 is a rear left perspective view of a tool for operating ACB insertion / extraction according to one embodiment of the present invention. FIG. 7 is a bottom perspective view of a tool for operating an ACB inlet / outlet according to one embodiment of the present invention. FIG. 8 is a diagram illustrating the configuration of an ACB shuttle ring key according to one embodiment of the present invention. FIG. 9 is a cross-sectional view illustrating a cross- section of an ACB shuttle ring key according to one embodiment of the present invention. FIG. 10 is a cross-sectional view illustrating an off-switch press according to one embodiment of the present invention. FIG. 11 is a drawing illustrating a structure for fixing a mounting hole and a tool mounting part according to an embodiment of the present invention. FIG. 12 is a drawing illustrating a structure for fixing a mounting hole and a tool mounting part according to another embodiment of the present invention. FIG. 13 is a drawing illustrating a structure for fixing a mounting hole and a tool mounting part according to another embodiment of the present invention. FIG. 14 is a drawing illustrating the usage state of an ACB insertion / extraction operation tool according to one embodiment of the present invention. FIG. 15 is a drawing illustrating the usage state of an ACB insertion / extraction operation tool according to another embodiment of the present invention. FIG. 16 is a diagram illustrating a procedure for inserting or withdrawing an ACB using an ACB insertion / withdrawal operation tool according to an embodiment of the present invention. Specific details for implementing the invention

[0028] Hereinafter, preferred embodiments of the tool for operating an ACB insertion / extraction according to the present invention will be described in detail with reference to the attached drawings. Identical reference numerals in each drawing indicate identical components. Furthermore, specific structural or functional descriptions regarding embodiments of the present invention are merely illustrative for the purpose of explaining embodiments according to the present invention. Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by those skilled in the art to which the present invention pertains. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and unless explicitly defined in this specification, it is preferable not to interpret them in an ideal or overly formal sense.

[0029] FIG. 1 is a perspective view illustrating an ACB cradle and an ACB provided in a distribution panel according to one embodiment of the present invention.

[0030] As illustrated in FIG. 1, an air circuit breaker (100) (hereinafter referred to as ACB) according to one embodiment of the present invention is installed in a distribution board via an ACB cradle (200) and performs the function of protecting the equipment by extinguishing the arc through air when an arc (or large current) occurs. The ACB cradle (200) is provided in a distribution board panel (600) and is configured to allow the ACB (100) to be inserted into or removed from the distribution board.

[0031] The above ACB (100) is frequently inserted and removed for maintenance, inspection, replacement, etc.

[0032] The above ACB (100) is configured to include an off switch (110) for turning off the power of the ACB (100), an on switch (120) for turning on the power, an on / off indicator (130) for indicating the off or on state of the power, a trip relay (140), and a manual charge handle (150).

[0033] The above-mentioned off switch (110) is configured to switch the ACB (100) to an open state, that is, to cut off the power supply to turn off the operation of the ABC (100). The above-mentioned on switch (120) is configured to switch the ACB (100) to a closed state, that is, to supply power to turn on the operation of the ACB (100).

[0034] The above on / off indicator (130) indicates the on or off state of the power supply according to the operation of the off switch (110) and the on switch (120). The above on / off indicator (130) may indicate the on or off state in the form of text.

[0035] Meanwhile, the above ACB (100) is configured to include a UVT (under voltage trip device), and the UVT automatically trips (i.e., turns off) the ACB (100) when the voltage applied to the ACB (100) drops below a specified value.

[0036] The trip relay (140) is configured to protect the equipment by turning off the ACB (100) when a current greater than the rated current flows, a large current (arc) occurs due to a short circuit, or a ground fault (leakage current) occurs.

[0037] The trip relay (140) is configured to include a display and is configured to display measurement information including current, voltage, power, energy consumption, etc. through the display.

[0038] The manual charge handle (150) is configured to manually charge the input spring. Charging the input spring means storing energy in the input spring, and the input spring is configured to quickly turn the ACB (100) on or off using the stored energy when turning the ACB (100) on or off.

[0039] The above ACB cradle (200) is configured to include a pad lock switch (210), an ACB shuttle ring key insertion part (220), and an insertion / extraction indicator (230). Although not shown in FIG. 1, the ACB cradle (200) is configured to include a guide rail that allows the ACB (100) to move when the ACB (100) is inserted or removed, a plurality of contacts that are electrically connected to the ACB (100) when the ACB (100) is inserted, and a handle storage hole equipped with a handle for manually inserting or removing the ACB (100).

[0040] The above ACB shuttle ring key insertion part (220) refers to a hole into which an ACB shuttle ring key (320) provided in the ACB insertion / extraction operation tool (300) of the present invention is inserted.

[0041] Here, the ACB shuttle ring key insertion part (220) corresponds to the ACB shuttle ring key (320) of the ACB insertion / extraction operation tool (300) of the present invention and is identical to the handle insertion part configured in a general ACB cradle.

[0042] Meanwhile, the tool (300) of the present invention is mounted on a horizontal support bar of a distribution panel (600) and configured to insert or withdraw an ACB (100).

[0043] To this end, a horizontal support bar of a predetermined thickness having mounting holes is configured in the distribution panel (600). The mounting holes may be configured with two or more.

[0044] The above horizontal support bar is configured to include a first horizontal support bar (610) and a second horizontal support bar (620), and the mounting hole is configured to include a first mounting hole (611) provided in the first horizontal support bar (610) and a second mounting hole (621) provided in the second horizontal support bar (620). At least one of the first mounting hole (611) and the second mounting hole (621) may be configured.

[0045] The first horizontal support bar (610) is configured at the top of the ACB (100) when the ACB (100) is inserted, and the second horizontal support bar (62) is provided at the bottom of the ACB (100) when the ACB (100) is inserted.

[0046] More specifically, when the ACB (100) is inserted into the distribution panel, it may be provided on the distribution panel panel (600) corresponding to the top of the ACB (100), and the second horizontal support bar (620) may be provided on the distribution panel panel (600) corresponding to the bottom of the ACB (100) when the ACB (100) is inserted into the distribution panel.

[0047] FIG. 2 is a drawing illustrating a method of inserting or withdrawing an ACB by mounting an ACB insertion / extraction operation tool according to one embodiment of the present invention on a horizontal support bar.

[0048] As illustrated in FIG. 2, an ACB insertion / extraction operation tool (300) according to one embodiment of the present invention is configured to include a tool mounting part comprising a first tool mounting part (315) and a second tool mounting part (350), an ACB shuttle ring key (320), a pad lock presser (330), an off switch presser (340), and a second tool mounting part (350).

[0049] The tool mounting portion is configured to be inserted into a mounting hole provided in a horizontal support bar to mount the tool (300) to the horizontal support bar for pulling out or pulling in the ACB (100), and to prevent the tool (300) from being separated from the mounting hole of the horizontal support bar when a rotational force is applied for pulling out or pulling in the ACB (100).

[0050] In one embodiment of the present invention, the tool mounting portion is described as being fixed by inserting it into a mounting hole; however, according to another embodiment of the present invention, a mounting projection is provided instead of the mounting hole, and the end of the tool mounting portion is configured to surround the mounting projection. In this case, the shape and form of the end of the tool mounting portion fixed to the mounting projection are configured to match the shape and form of the mounting hole, and the shape and form of the mounting projection are configured to correspond to the shape and form of the end of the tool mounting portion according to one embodiment of the present invention. Since the mounting projection according to another embodiment of the present invention and the new form of the tool mounting portion derived therefrom can be derived from the configuration of the mounting hole and the tool mounting portion according to one embodiment of the present invention described below, a separate description is omitted.

[0051] The tool mounting portion may be configured with at least two or more depending on the mounting holes configured in the horizontal support bar. For example, the first tool mounting portion (315) and the second tool mounting portion (350) may each be configured as one, or the first tool mounting portion (315) may not be configured and the second tool mounting portion (350) may be configured as two or more, or the first tool mounting portion (315) and the second tool mounting portion (350) may be configured as at least one or more.

[0052] In addition, the tool (300) of the present invention is configured such that, after mounting the tool (300) by inserting a mounting part into a mounting hole formed in a horizontal support bar of a distribution panel (600), the off switch (110) is pressed to turn off the ACB (100), the ACB shuttle ring key (320) is inserted into the ACB shuttle ring key insertion hole (220), and the pad lock switch (210) is pressed with a predetermined pressure to prevent the ACB shuttle ring key (320) from idling, and then the inserted ACB shuttle ring key (320) is rotated to the right or left to insert or withdraw the ACB (100).

[0053] The above mounting is performed by inserting the first tool mounting part (315) into the first mounting hole (611) and inserting the second tool mounting part (350) into the second mounting hole (621).

[0054] Accordingly, the first tool mounting portion (315) and the second tool mounting portion (350) are configured in the tool (100) so that they can be inserted into the first mounting hole (611) and the second mounting hole (621), respectively, which are configured in the first horizontal support bar (610) and the second horizontal support bar (620).

[0055] At this time, the first tool mounting portion (315) and the second tool mounting portion (350) are configured to protrude by a predetermined length, and the first mounting hole (611) and the second mounting hole (621) are configured to a predetermined depth. Accordingly, the mounting portion is inserted into the mounting hole to a predetermined depth.

[0056] The above ACB shuttle ring key (320) is configured to transmit rotational force required for inserting or withdrawing the ACB (100). More specifically, the above ACB shuttle ring key (320) is inserted into the above ACB shuttle ring key insertion part (220) and is configured to rotate left or right to withdraw the ACB (100) from the ACB cradle (200) or to insert the ACB (100) into the ACB cradle (200).

[0057] Meanwhile, when withdrawing or retracting the ACB (100), the ACB shuttle ring key (320) idles at a predetermined position including disconnected, test, and connected.

[0058] The pad lock switch (210) prevents the above-mentioned idle rotation so that withdrawal or insertion can be continuously performed. The pad lock switch (210) is configured to prevent the ACB shuttle ring key (320) from idle rotation by locking the inserted ACB shuttle ring key (320) to a socket located at the inner end of the ACB shuttle ring key insertion hole (220).

[0059] Here, the disconnected, test, and connected positions are among the positions in which the ACB (100) can move within the ACB cradle (200). The disconnected position refers to a position that is completely disconnected from the power circuit (i.e., a safe state in which it is completely electrically disconnected). The test position refers to a position in which the operation of the ACB (100) can be tested in a no-load state even though no actual current flows. The connected position refers to a position in which the ACB (100) is fully connected to the power circuit and can perform the operation of supplying or cutting off power.

[0060] The above ACB insertion / extraction operation tool (300) will be described in detail with reference to FIGS. 3 to 7.

[0061] Hereinafter, the configuration of the ACB input / output operation tool (300) of the present invention will be explained with reference to FIGS. 3 to 7.

[0062] FIGS. 3 to 7 are perspective views of a tool for operating an ACB input / output according to an embodiment of the present invention.

[0063] FIG. 3 is a front right perspective view of an ACB insertion / extraction operation tool according to one embodiment of the present invention, and FIG. 4 is a front left perspective view of an ACB insertion / extraction operation tool according to one embodiment of the present invention.

[0064] In addition, FIG. 5 is a rear right perspective view of an ACB insertion / extraction operation tool according to one embodiment of the present invention, FIG. 6 is a rear left perspective view of an ACB insertion / extraction operation tool according to one embodiment of the present invention, and FIG. 7 is a bottom perspective view of an ACB insertion / extraction operation tool according to one embodiment of the present invention.

[0065] As illustrated in FIGS. 3 to 7, an ACB insertion / extraction operation tool (300) according to one embodiment of the present invention comprises a base frame (305), a base (310), a first tool mounting part (315), an ACB shuttle ring key (320), a motor (325), a pad lock presser (330), a vertical frame (335), an off switch presser (340), a right-angle frame (345), and a second tool mounting part (350).

[0066] The base frame (305) may be configured in a T-shape. The base (310) is coupled to the upper part of the base frame (305).

[0067] An ACB shuttle ring key (320) and a pad lock presser (330) are respectively coupled to the upper part of the base (310). The ACB shuttle ring key (320) is coupled to the upper part of the base (310) so that it can be inserted into an ACB shuttle ring key insertion hole (220) formed in the ACB cradle (200), and the pad lock presser (330) is coupled to the upper part of the base (310) so that, after the ACB shuttle ring key (320) is inserted into the ACB shuttle ring key insertion hole (220), it can press the pad lock switch (210) formed in the ACB cradle (200) by applying a predetermined pressure to prevent idle rotation.

[0068] A first tool mounting portion (315) may be formed by being attached to each of the front ends of the base frame (310). The first tool mounting portion (315) may be formed in a cylindrical shape and protrudes outward according to a predetermined length.

[0069] The first tool mounting part (315) is inserted into the first mounting hole (611) and, together with the second tool mounting part (350), mounts the tool (300) on the horizontal support bar so that the ACB can be stably inserted or withdrawn.

[0070] The above ACB shuttle ring key (320) is configured to transmit rotational force for inserting or withdrawing the ACB (100), and is connected to a motor (325) and configured to rotate left or right by the motor (325).

[0071] A vertical frame (335) of a predetermined length is vertically connected to the upper part of the base frame (305).

[0072] An off switch presser (340) is connected at a predetermined position of the vertical frame (335) in a direction orthogonal to the vertical frame (335).

[0073] The above-mentioned off switch presser (340) is configured to turn off the off switch (110) of the ACB cradle (200) by pressing the off switch (110) with a predetermined pressure.

[0074] The above right-angle frame (345) has a predetermined length and is configured to be joined at the top of the vertical frame (335) in a direction perpendicular to the vertical frame (335).

[0075] Two second tool mounting parts (350) may be coupled to one end of the above right-angle frame (345). The second tool mounting parts (350) may be cylindrical and each may be formed to protrude to a predetermined length.

[0076] The second tool mounting part (350) is inserted into the second mounting hole (621) so that the tool (300) is mounted on the horizontal support bar together with the first tool mounting part (315), thereby enabling the ACB to be stably inserted or withdrawn.

[0077] That is, the mounting portion including the first tool mounting portion (315) and the second tool mounting portion (350) is inserted into a mounting hole provided in the horizontal support bar so that the tool (300) can be mounted on the horizontal support bar to allow the ACB (100) to be inserted or withdrawn.

[0078] In addition, the tool mounting part is configured such that after being inserted into and fixed in the mounting hole, the tool is separated from the horizontal support bar only when a force greater than a predetermined amount is applied to the rear. That is, it is configured so that the tool (300) is separated when pulled with a predetermined force while mounted on the horizontal support bar. The structure in which the tool mounting part is inserted into and fixed in the mounting hole will be explained in detail with reference to FIGS. 11 to 13.

[0079] Ultimately, the tool (300) is mounted on a horizontal support bar, then the off switch (110) is turned off by applying a predetermined pressure with an off switch presser (340), then the ACB shuttle ring key (320) is inserted into the ACB shuttle ring key insertion port (220), and the pad lock switch (210) is fixed in the socket of the inserted ACB shuttle ring key (320) by applying a predetermined pressure with a pad lock presser (330) to prevent idle rotation, and then the motor (325) is controlled to insert or withdraw the ACB (100).

[0080] Meanwhile, the configuration of the ACB shuttle ring key (320) will be described in detail with reference to FIGS. 8 and 9, and the configuration of the off switch presser (340) will be described in detail with reference to FIG. 10.

[0081] FIG. 8 is a diagram illustrating the configuration of an ACB shuttle ring key according to one embodiment of the present invention, and FIG. 9 is a cross-sectional view illustrating a cross- section of an ACB shuttle ring key according to one embodiment of the present invention.

[0082] As illustrated in FIG. 8, an ACB shuttle ring key (320) according to one embodiment of the present invention comprises a wrench (323), a key shaft (321), and a key body (322).

[0083] The wrench (323) is coupled to one end of the key shaft (321). The key shaft (321) is configured to transmit rotational force from the motor (350) by inserting the wrench (323) into the ACB shuttle ring insertion port (220). At this time, the wrench (323) is coupled to the socket, thereby transmitting rotational force for inserting or withdrawing the ACB (100).

[0084] As illustrated in FIG. 9, the key body (322) is configured to surround a part of the key shaft (321) and the first elastic means (324).

[0085] The first elastic means (324) is coupled to one side of the key shaft (310) on the opposite side of the wrench (323).

[0086] The first elastic means (324) allows the wrench (323) to be fixed by being pressed against the socket (e.g., gear or cam) with a predetermined pressure by the elastic force of the first elastic means (324), even if the ACB (100) moves linearly from front to back or from back to front during the insertion or withdrawal process of the ACB (100).

[0087] Meanwhile, the wrench (323) may be configured as a hexagonal wrench, but may be configured in various ways depending on the socket. Additionally, if the wrench (323) does not sit and connect with the socket, the ACB shuttle ring key (320) may be configured to rotate left and right so that the wrench (323) can slide into the socket.

[0088] FIG. 10 is a cross-sectional view illustrating an off-switch press according to one embodiment of the present invention.

[0089] As illustrated in FIG. 10, an off-switch presser (340) according to one embodiment of the present invention comprises a press shaft (341), an end (344) coupled (connected) to one side of the press shaft, a second elastic means (343) coupled to the press shaft on the opposite side of the end (344), and a press body (342) surrounding a part of the press shaft (341) and the second elastic means (343).

[0090] The above end (344) is configured to directly contact one side of the surface of the off switch (110) and apply a predetermined pressure, and can be configured in a predetermined shape.

[0091] The second elastic means (343) allows the off switch presser (340) (more specifically, the press shaft (341)) to apply a predetermined pressure so that the off switch (110) remains in the off state by the elastic force of the second elastic means (243) even if the ACB (100) moves linearly from the front to the rear or from the rear to the front depending on the insertion or withdrawal of the ACB (100).

[0092] FIG. 11 is a drawing illustrating a structure for fixing a mounting hole and a tool mounting part according to an embodiment of the present invention.

[0093] As illustrated in FIG. 11, the mounting holes (first mounting holes (611) and second mounting holes (621)) according to one embodiment of the present invention are configured to correspond to the tool mounting portion (first tool mounting portion (315) and second tool mounting portion (350)) configured in the ACB insertion / extraction operation tool (300).

[0094] The first mounting hole (611) is configured in the first horizontal support bar (610), and the second mounting hole (621) is configured in the second horizontal support bar (620).

[0095] In addition, by inserting the first tool mounting part (315) and the second tool mounting part (350) into the first mounting hole (611) and the second mounting hole (621), the tool (300) can be mounted on the horizontal support bar to allow the ACB (100) to be inserted or withdrawn.

[0096] Meanwhile, in order to more firmly fix the tool (300) to the horizontal support bar, the mounting hole may be made of a ferromagnetic material such as pure iron, and the tool mounting part may be made of an electromagnet.

[0097] Therefore, after the tool mounting part is inserted into the mounting hole, power is supplied to the electromagnet so that the inserted tool mounting part is fixed in the mounting hole according to the properties of the electromagnet, thereby allowing the tool (300) to be securely mounted on the horizontal support bar.

[0098] At this time, when the insertion or withdrawal of the ACB (100) is completed, the power supplied to the electromagnet is cut off so that the tool (300) can be separated from the horizontal support bar with a predetermined force.

[0099] FIG. 12 is a drawing illustrating a structure for fixing a mounting hole and an output mounting part according to another embodiment of the present invention.

[0100] As illustrated in FIG. 12, at least one plate spring (630) may be provided that protrudes from the inner space to the outer space of the inner circumference of the mounting hole (first mounting hole (611) and second mounting hole (621)) according to one embodiment of the present invention.

[0101] In addition, at least one fixing groove corresponding to the plate spring (630) may be provided along the outer surface of the tool mounting portion (first tool mounting portion (315) and second tool mounting portion (350)).

[0102] At this time, when the tool mounting part is inserted into the mounting hole, each plate spring (630) expands into the internal space, and then when the fixing groove reaches the position of the plate spring (260), it is restored by the restoring force to fix the tool mounting part, thereby allowing the tool (300) to be firmly mounted on the horizontal support bar.

[0103] The above leaf spring (260) is configured so that it can be separated (detached) from the horizontal support bar when the mounted tool (300) is pulled by more than a predetermined force.

[0104] It is also possible to configure the tool mounting part to be fixed using only the restoring force of the plate spring (260) without separately configuring the above-mentioned fixed groove.

[0105] Meanwhile, the above-mentioned plate spring (260) is configured along the outer surface of the tool mounting portion, and the above-mentioned fixing groove can be formed along the inner surface of the mounting hole.

[0106] Ultimately, the tool mounting portion is inserted into the mounting hole to a predetermined depth and secured between the mounting hole and the tool (300) via a plate spring, thereby configuring the tool (300) to be mounted on the horizontal support bar.

[0107] FIG. 13 is a drawing illustrating a structure for fixing a mounting hole and an output mounting part according to another embodiment of the present invention.

[0108] As illustrated in FIG. 13, at least one metal ball (650) may be provided, which is coupled with a third elastic means (640) in the inner space of the inner circumference of the mounting hole (first mounting hole (611) and second mounting hole (621)) according to one embodiment of the present invention and has a portion protruding outward into the outer space.

[0109] At this time, when the tool mounting portion (first tool mounting portion (315) and second tool mounting portion (350)) is inserted into the mounting hole, the entire metal ball (650) is pushed into the internal space, and when the fixing groove reaches the position of the metal ball (650), the metal ball (650) is restored to its original position by the restoring force of the third elastic means (640), and a part of the protruding metal ball (650) is combined with the fixing groove to fix the tool mounting portion, thereby allowing the tool (300) to be firmly mounted on the horizontal support bar.

[0110] The third elastic means (640) and the metal ball (650) are configured so that they can be separated from the horizontal support bar when the mounted tool (300) is pulled by more than a predetermined force.

[0111] It is also possible to configure the tool mounting part to be fixed through the metal ball (650) using only the restoring force of the third elastic means (640) without separately configuring the above fixed groove.

[0112] Meanwhile, the metal ball (650) and the third elastic means (640) may be provided along the outer surface of the tool mounting portion, and the fixing groove may be provided along the inner surface of the mounting hole.

[0113] Ultimately, the tool mounting portion is inserted into the mounting hole to a predetermined depth and is secured through a metal ball (650) between it and the mounting hole, thereby configuring the tool (300) to be mounted on the horizontal support bar.

[0114] FIG. 14 is a drawing illustrating the usage state of an ACB insertion / extraction operation tool according to one embodiment of the present invention.

[0115] As shown in FIG. 14, an ACB input / output operation tool (300) according to one embodiment of the present invention can be mounted on a horizontal support bar of a distribution panel (600) and controlled remotely through a remote control device (400).

[0116] For example, when withdrawing the ACB (100), the motor (325) can be controlled remotely via the remote control device (400) to turn the ACB shuttle ring key (320) to the left, and when retracting the ACB (100), the motor (325) can be controlled remotely via the remote control device (400) to turn the ACB shuttle ring key (320) to the right.

[0117] FIG. 15 is a drawing illustrating the usage state of an ACB insertion / extraction operation tool according to another embodiment of the present invention.

[0118] As illustrated in FIG. 15, an ACB insertion / extraction operation tool (300) according to another embodiment of the present invention may be configured to be mounted on the robot hands (500) of a robot to insert or extract an ACB (100).

[0119] The above robot may be configured to recognize each component of the switchboard panel (600), horizontal support bar, ACB cradle (200), and ACB (100) through machine learning or vision recognition technology, estimate the posture of the robot hands (500) to mount the tool (300) on the horizontal support bar, and control the motor (325) to insert or withdraw the ACB (100).

[0120] FIG. 16 is a diagram illustrating a procedure for inserting or withdrawing an ACB using an ACB insertion / withdrawal operation tool according to an embodiment of the present invention.

[0121] As illustrated in FIG. 16, the procedure for inserting an ACB (100) into an ACB cradle (200) or withdrawing it from an ACB cradle (200) using an ACB insertion / extraction operation tool (300) according to one embodiment of the present invention first performs a tool mounting step (S110) in which a mounting part provided on the tool (300) is inserted into a mounting hole provided on a horizontal support bar of a distribution panel (600) and the tool (300) is mounted on the horizontal support bar.

[0122] More specifically, the tool mounting step is performed by inserting the first tool mounting part (315) of the tool (300) into the first mounting hole (611) configured in the first horizontal support bar (610), and inserting and fixing the second tool mounting part (350) of the tool (300) into the second mounting hole (621) configured in the second horizontal support bar (620).

[0123] Next, an off switch press step is performed to turn off the off switch (110) of the ACB (100) by applying a predetermined pressure to the off switch (110) through the off switch presser (340) (S120).

[0124] Next, an ACB shuttle ring key insertion step is performed in which the ACB shuttle ring key (320) is inserted into the ACB shuttle ring key insertion port (220) of the ACB cradle (200) (S130).

[0125] More specifically, the above ACB shuttle ring key insertion step involves inserting the ACB shuttle ring key (320) into the ACB shuttle ring key insertion hole (220) and pressing the wrench (323) of the ACB shuttle ring key (320) against the socket of the ACB shuttle ring key (320).

[0126] At this time, if a predetermined pressure is applied to the off switch (110) to turn it off, the ACB shuttle ring key (320) is not inserted.

[0127] Next, a pad lock switch press step is performed (S130) to secure the ACB shuttle ring key (320) to the socket by applying a predetermined pressure to the pad lock switch (210) of the ACB cradle (200) through the pad lock presser (330).

[0128] At this time, the wrench (323) of the ACB shuttle ring key (320) is fixed in close contact with the socket.

[0129] The above pad lock switch pressing step is performed to prevent the ACB shuttle ring key (320) from idling. That is, if the pad lock switch (210) is not pressed, the inserted ACB shuttle ring key (320) will only idle and will not be able to perform insertion or withdrawal.

[0130] Next, a motor (325) is operated via a remote control device (400) or a robot to rotate the ACB shuttle ring key (320) fixed to the socket in a predetermined direction, thereby performing an insertion / extraction operation step to insert or extract the ACB (100) (S150).

[0131] The above insertion / extraction operation step is configured to insert the ACB (100) by turning the inserted ACB shuttle ring key (320) to the right, or to withdraw the ACB (100) by turning the ACB shuttle ring key (320) to the left.

[0132] As explained above, the present invention has the effect of preventing safety accidents caused by arcs that may occur during the insertion or withdrawal process by enabling the insertion or withdrawal of the ACB instead of a worker.

[0133] Although the present invention has been described above with reference to the embodiments illustrated in the drawings, this is merely illustrative, and those skilled in the art will understand that various modifications and equivalent alternative embodiments are possible therefrom. Accordingly, the technical scope of protection of the present invention should be determined by the following claims. Explanation of the symbols

[0134] 100: ACB 110: Off switch 120: On switch 130: On / Off indicator 140: Trip relay 150: Manual charge handle 200: ACB cradle 210: Pad lock switch 220: ACB shuttle ring key insertion slot 230: Insertion / extraction position indicator 300: ACB insertion / extraction operation tool 305: Base frame 310: Base 315: First tool mounting part 320: ACB shuttle ring key 321: Key shaft 322: Key body 323: Wrench 324: First elastic means 330: Pad lock presser 335: Vertical frame 340: Off switch presser 341: Press shaft 342: Press body 343: Second elastic means 344: End 345: Right-angle frame 350: Second tool mounting part 400: Remote control device 500: Robot hands 600: Distribution panel 610: 1st horizontal support bar 611: 1st mounting hole 620: 2nd horizontal support bar 621: 2nd mounting hole 630: Plate spring 640: 3rd elastic means 650: Metal ball

Claims

Claim 1 A tool for operating an ACB input / output, comprising: a tool mounting portion for mounting the ACB input / output operation tool to the horizontal support bar by inserting it into at least two mounting holes provided in at least one horizontal support bar of a distribution panel in which an ACB is installed; an off switch presser for turning off the off switch by applying a predetermined pressure to the off switch of the ACB; an ACB shuttle ring key configured to be inserted into the ACB shuttle ring key insertion hole of the ACB and to transmit rotational force required for the input or output of the ACB; and a pad lock presser for applying a predetermined pressure to a pad lock switch formed in the ACB cradle of the ACB so that the ACB shuttle ring key is locked into the socket of the ACB shuttle ring key; wherein the ACB shuttle ring key fixed in the socket is rotated in a predetermined direction to input or output the ACB into or out of the distribution panel. Claim 2 A tool for operating an ACB input / output, wherein the tool mounting portion comprises: a first tool mounting portion mounted in a first mounting hole provided in a first horizontal support bar, which is a horizontal support bar provided in the upper distribution panel of the ACB; and a second tool mounting portion mounted in a second mounting hole provided in a second horizontal support bar, which is a horizontal support bar provided in the lower distribution panel of the ACB. Claim 3 A tool for operating an ACB in / out operation according to claim 1, wherein the tool mounting portion is configured to be inserted into the mounting hole to a predetermined depth, and is configured to be separated only when a force greater than a predetermined amount is applied to the rear of the tool for operating an ACB in / out operation, and is configured such that the tool for operating an ACB in / out operation is not separated from the mounting hole of the horizontal support bar when a rotational force is applied for the withdrawal or insertion of the ACB. Claim 4 A tool for operating an ACB input / output according to claim 1, wherein the tool mounting portion is configured to include an electromagnet, and after being inserted into the mounting hole made of a ferromagnetic material, power is supplied to the electromagnet to fix the inserted tool mounting portion to the mounting hole, thereby mounting the ACB input / output operating tool to the horizontal support bar of the distribution panel. Claim 5 A tool for operating an ACB input / output, characterized in that, in claim 1, the tool mounting portion is configured to protrude by a predetermined length, is inserted into the mounting hole to a predetermined depth, and is fixed through the mounting hole and a plate spring, thereby mounting the tool for operating an ACB input / output to a horizontal support bar of the distribution panel. Claim 6 A tool for operating an ACB input / output according to claim 1, wherein the tool mounting portion is configured to protrude by a predetermined length, is inserted into the mounting hole to a predetermined depth, and is fixed through the mounting hole and a metal ball, thereby mounting the tool for operating an ACB input / output to a horizontal support bar of the distribution panel. Claim 7 A tool for operating an ACB input / output, wherein the off switch presser comprises: a press shaft connected to an end that contacts the off switch; a second elastic means coupled to the press shaft at the opposite end; and a press body surrounding one side of the press shaft and the second elastic means; and is configured to apply a predetermined pressure so that the off switch remains in an off state through the elastic force of the second elastic means, even if the ACB moves from front to rear or from rear to front during the process of inputting or outputting the ACB to or from the distribution board through the ACB cradle. Claim 8 A tool for operating an ACB input / output mechanism according to claim 1, wherein the ACB shuttle ring key comprises: a wrench configured in a predetermined shape to be fixed to the socket when a predetermined pressure is applied to a pad lock switch formed in the ACB cradle, which is inserted into the ACB shuttle ring key insertion hole; a key shaft configured to transmit rotational force from a motor by inserting the wrench into the ACB shuttle ring key insertion hole; a first elastic means coupled to the key shaft on the opposite side of the wrench; and a key body surrounding one side of the key shaft and the first elastic means; wherein, during the process of inputting or outputting the ACB to a distribution board through the ACB cradle, even if the ACB moves from the front to the rear or from the rear to the front, the wrench is pressed against the socket with a predetermined pressure through the elastic force of the first elastic means. Claim 9 The ACB insertion / extraction operation tool according to claim 1 is characterized in that, after being mounted on a horizontal support bar of the distribution panel, the rotation of the inserted ACB shuttle ring key is remotely controlled via a remote control device to insert or withdraw the ACB into the distribution panel through the ACB cradle, or is coupled to a robot hand of a robot and the robot hand is controlled by the robot to insert or withdraw the ACB into the distribution panel through the ACB cradle. Claim 10 A method for operating an ACB input / output using an ACB input / output operation tool, comprising: a tool mounting step of mounting the ACB input / output operation tool on the horizontal support bar by inserting the tool mounting portion of the ACB input / output operation tool into at least two mounting holes provided on at least one horizontal support bar of a distribution panel in which an ACB is installed; an off switch pressing step of turning off the off switch by applying a predetermined pressure to the off switch of the ACB through the off switch presser of the ACB input / output operation tool; and an ACB shuttle ring key insertion step of inserting the ACB shuttle ring key of the ACB input / output operation tool into the ACB shuttle ring key insertion hole of the ACB. A method for operating an ACB input / output, characterized by comprising: a pad lock switch press step of applying a predetermined pressure to a pad lock switch formed in the ACB cradle of the ACB through a pad lock presser of the ACB input / output operation tool to lock the inserted ACB shuttle ring key into the socket of the ACB shuttle ring key; and an input / output operation step of operating a motor of the ACB input / output operation tool through a remote control device or a robot to rotate the ACB shuttle ring key locked in the socket in a predetermined direction to input or output the ACB into or out of the distribution panel.

Images