KR101477611B1 - Substation package used disconnecting switch driving rod apparatus for fixing - Google Patents

Substation package used disconnecting switch driving rod apparatus for fixing Download PDF

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Publication number
KR101477611B1
KR101477611B1 KR20140074026A KR20140074026A KR101477611B1 KR 101477611 B1 KR101477611 B1 KR 101477611B1 KR 20140074026 A KR20140074026 A KR 20140074026A KR 20140074026 A KR20140074026 A KR 20140074026A KR 101477611 B1 KR101477611 B1 KR 101477611B1
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KR
South Korea
Prior art keywords
support plate
insertion hole
plate
bolt
driving rod
Prior art date
Application number
KR20140074026A
Other languages
Korean (ko)
Inventor
염창현
염진섭
Original Assignee
(주) 창흥전력
주식회사 창성전력
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Priority to KR20140074026A priority Critical patent/KR101477611B1/en
Application granted granted Critical
Publication of KR101477611B1 publication Critical patent/KR101477611B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
    • H01H31/32—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with rectilinearly-movable contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/42—Driving mechanisms
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035—Gas-insulated switchgear
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/42—Driving mechanisms
    • H01H2033/426—Details concerning the connection of the isolating driving rod to a metallic part

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disconnector drive rod fixing mechanism used in a substation facility for supplying a large amount of electric power to a building and a plant, The present invention relates to a driving rod fixing mechanism for a switching element disconnecting device for fixing a disconnecting switch for supplying electric power to a gas insulated switchgear so as to be able to maintain an OFF state.

Description

Technical Field [0001] The present invention relates to a driving apparatus for driving a rod,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disconnector drive rod fixing mechanism used in a substation facility for supplying a large amount of electric power to a building and a plant, The present invention relates to a driving rod fixing mechanism for a switching element disconnecting device for fixing a disconnecting switch for supplying electric power to a gas insulated switchgear so as to be able to maintain an OFF state.

Generally, a substation is a facility installed to change the characteristics of a voltage or current or to distribute the power in a process of sending power generated by a power plant to a consumer who receives power through a hand line or a distribution line. The substation used in these substations is composed of various electrical devices such as transformers, breakers, overvoltage relays, relays and electronic contactors. In order to drive the above-described electric device, electric power must be supplied. Since electric power is transmitted at a high voltage, electric power is supplied through ON / OFF of a gas insulated switchgear (GIS) . At this time, the power supplied to the gas insulated switchgear is turned on / off by a disconnecting switch (DS).

1 (a), the substation apparatus includes a driving rod 1 and a driving rod 1 for supporting the connection contacts of the gas insulated reeling device by moving to one side and the other side so that the connecting contact of the gas insulated reeling device is turned on / A rod drive motor 3 that is installed in the electric device 2 and can rotate in both directions is provided. 1 (b), the connecting link 4 connected to the rod driving motor 3 is connected to the driving rod 1 to turn on / off the electric power supplied to the electric device, The driving rod 1 can be moved to one side and the other side in accordance with the rotation direction.

Various electric devices such as relays and electromagnetic contactors and the load driving motor 3 must be replaced due to aging and corrosion after a certain period of use. In order to replace the load driving motor 3 and various electric devices, the gas insulated switchgear must be kept in the OFF state to prevent electric shock and malfunction of the operator, and the electric power must be cut off and replaced.

That is, after the driving rod 1 is moved to one side to keep the power OFF, the driving rod 1 and the rod driving motor 3 are separated and the rod driving motor 3 and the electric device are detached, The drive motor 3, the electric device, and the like are installed. When the operation is performed in this order, since the driving rod 1 supporting the connection contact of the disconnecting device is not separated and fixed from the rod driving motor 3, the separated connection contact is contacted due to its own weight . Therefore, the worker who is in the process of replacing is exposed to the applied high-voltage current, which causes electric shock accident and malfunction accident frequently.

1. Published patent publication No. 1993-0018799 'Switch board' (public date 1993.09.22) 2. Open Patent Publication No. 10-2011-0075544 'Grounding switch for gas insulated switchgear' (Published on June 7, 2011)

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a switching power supply apparatus and a method of switching power supply of a gas insulated switchgear, And it is an object of the present invention to provide a disconnecting rod driving rod fixing mechanism capable of preventing electric shock danger and malfunction.

The gas insulated switchgear fixing mechanism for a substation leg according to the present invention is connected to a gas insulated switchgear 2000 which controls the movement of a voltage or a current and includes a disconnector 1100 provided inside and a disconnector 1100, A disconnector link 1200 connected to the drive motor 1110 to rotate to one side or the other side according to the driving of the drive motor 1110 and a disconnector 1200 connected to the connection pin 1300 The other end of which is connected to the disconnector link 1200 and the other end of which is connected to the gas insulated switch 2000 to turn on and off the gas insulated switch 2000 according to the rotation of the drive motor 1110 A transformer assembly (1000) comprising: a body (100) mounted and fixed to an opening (1011) formed in a side wall (1010) of the substation (1000); A support plate 200 erected vertically to be fixed to a side surface of the body 100 and having a pin insertion hole 210 formed therein; The connection pin 1300 is inserted into the pin insertion hole 210 and the connecting pin 1300 is pressed and detached to separate the disconnector link 1200 and the driving rod 1400, A fixing pin 300 for coupling the driving rod 1400 and the support plate 200 to each other; And a control unit.

In the present invention, a first bolt supporting plate 400 protruding upward from the upper surface of the body 100 and having a first insertion hole 410 formed therethrough; A second bolt support plate 500 spaced apart from the first bolt support plate 400 by a predetermined distance and protruding upward from the upper surface of the body 100 and having a second insertion hole 510 formed therethrough; A first pressing bolt (not shown) inserted into the first insertion hole 410 to fix the body 100 to the opening 1011 and moving in the lateral direction as it rotates to contact the inner surface of the opening 1011 600), and a second pressing bolt (700) inserted in the second insertion hole (510) and moving in the lateral direction as it rotates to contact the inner surface of the opening (1011). And further comprising:

In the present invention, the body 100 is extended in the horizontal direction so that the lower surface thereof contacts the inner surface of the opening 1011 and the first bolt support plate 400 and the second bolt support plate 500 are formed on the upper surface thereof (110); A first side plate 120 formed on one side of the upper plate 110; And a second side plate 130 formed on the other side of the upper plate 110 to face the first side plate 120 and to which the supporting plate 200 is fixed.

In the present invention, the first side plate 110 is provided with a third pressing bolt 800 which moves in the forward and backward direction as it rotates to fix or detach the body 100 to the side wall 1010, The pressing bolt 800 is formed in an inclined shape such that the end surface area of one end of the pressing bolt 800 which is in contact with the side wall 1010 gradually decreases.

In the present invention, a protruding protrusion 220 is protruded from the lower end of the support plate 200 so that the body 100 is separated from the bottom surface of the substation 1000 by a predetermined distance.

The present invention relates to a method for controlling a power supply apparatus, which is fixed to a lower end of an opening formed in a side wall of a substation case to fix movement of a driving rod for ON / OFF power supplied to a substation through a gas insulated switch, There is an advantage that the occurrence of an electric shock accident and a malfunction of the operator can be prevented.

Further, since the driving rod can be fixed after confirming the ON / OFF state of the driving rod, it is possible to prevent a safety accident that may occur due to carelessness of the operator, So that the electric shock accident and malfunction of the worker can be prevented.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partial side view showing a connection state between a driving rod and a connecting link when a conventional disconnecting switch is in an ON / OFF state; FIG.
2 is a schematic view showing a connection state between a substation of the present invention and a gas insulated switchgear.
FIG. 3 is a perspective view showing a state in which the driving rod fixing mechanism of the present invention is attached to an opening; FIG.
4 is a perspective view showing a drive rod fixing mechanism and a drive rod for a variable displacement load disconnector of the present invention.
5 is a side cross-sectional view showing a state in which a driving rod fixing mechanism of a switching element disconnecting switch of the present invention is mounted on an opening;
6 is a perspective view illustrating a connection sequence of a driving rod and a driving rod of a switching device according to the present invention.

Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.

FIG. 3 is a perspective view showing a driving rod and a driving rod of a switching element disconnecting switch according to the present invention, FIG. 4 is a perspective view of the switching element disconnecting rod according to the present invention, Fig. 5 is a side cross-sectional view showing a state in which the drive rod for the variable displacement diverter of the present invention is mounted on the opening, Fig. 6 is a cross- To a perspective view showing a sequence.

Referring to FIG. 2, a substation 1000 for converting the nature of electric power received from a power plant into a usable voltage at a factory and a home is provided with various electric devices such as a relay, an electromagnetic contactor, and a breaker. The electric device inside the substation 1000 receives a high-voltage current from the outside. At this time, a gas insulated switch 2000 for turning on / off power supplied to the electric device is provided. For a detailed description of the gas insulated switch 2000, it is preferable to refer to " Registered Utility Modification No.020-0452903 Small gas insulated switch ".

A disconnecting device 1100 is installed inside the substation 1000. The disconnecting device 1100 includes a driving motor 1110 which is rotatable to one side or the other side. The disconnector link 1200 is coupled to the drive motor 1110, and the disconnector link 1200 is rotated to one side or the other side along the rotation direction of the drive motor 1110. The drive motor 1110 is preferably composed of a step motor or a servo motor so as to be rotatable in both directions. The gas insulated switch 2000 controls the movement of the current in accordance with the movement of the driving rod 1400 whose one side is fastened by the disconnecting link 1200 and the connecting pin 1300 and the other is fastened to the gas insulated switch 2000 . That is, when the driving motor 1110 rotates in the forward direction or the reverse direction, the driving rod 1400 moves forward or backward along the disconnector link 1400 to turn the gas insulated switch 2000 ON / OFF.

When the state of the gas insulated switch 2000 and the disconnecting switch 1100 is turned off, the power plant 1000 is in a no-load state, so that the operator can safely replace the aged electric device and the disconnector 1100 in the power plant 1000 Or repair.

Referring to FIG. 3, the present invention is directed to a variable displacement load disconnector drive rod lock mechanism that can secure the drive rod 1400 to keep the gas insulated switch 2000 and disconnector 1100 always in the OFF state. The transition element cost disconnector drive rod fixing mechanism has a body (100). The body 100 is seated in the opening 1011 formed in the side wall 1010 surrounding the outer side of the substation 1000 and can be fixed or detachable through a separate fixing tool.

Referring to FIGS. 3 and 4, a support plate 200 is formed on the side surface of the body 100 so as to extend in the vertical direction. The support plate 200 has a plate shape having a predetermined thickness and one side is welded to the side surface of the body 100. In addition, a pin insertion hole 210 having a predetermined diameter is formed through the support plate 200. The support plate 200 and the driving rod 1400 are coupled to each other by a fixing pin 300 described later.

Referring to FIG. 4, a fixing pin 300 is inserted into the pin insertion hole 210. The diameter of the fixing pin 300 is the same as the diameter of the connecting pin 1300. When the body 100 is seated in the opening 1011, the body 100 is moved left and right to fix the driving rod 1400 to the support plate 200 so that the pin insertion hole 210 and the connection pin 1300 . Thereafter, the fixing pin 300 contacts the connecting pin 1300 and gradually pushes the connecting pin 1300. Therefore, the disconnector link 1200 and the driving rod 1400 are separated and the driving rod 1400 is combined with the supporting plate 200 by the fixing pin 300 to restrict the movement.

Referring to FIGS. 3 and 4, a first bolt support plate 400 and a second bolt support plate 500 are formed on the upper surface of the body 100.

The first bolt support plate 400 protrudes upward from the upper surface of the body 100 and is formed to have a predetermined thickness. At this time, the first bolt support plate 400 has a first insertion hole 410 formed in the left and right direction, and a thread is formed on the inner side surface of the first insertion hole 410.

The second bolt support plate 500 is spaced apart from the first bolt support plate 400 and protruded upward from the upper surface of the body 100. The second bolt support plate 500 is also made to have the same thickness as the first bolt support plate 400 and a second insertion hole 510 is formed in the same direction as the first insertion hole 410, 320 are preferably formed with threads.

3 and 4, the first pressing bolt 600 is inserted into the first insertion hole 410, and the second pressing bolt 700 is inserted into the second insertion hole 510. The first pressing bolt 600 is guided by the first insertion hole 410 and can be moved in the left and right direction according to the rotation direction so that the inside of the opening 1011 The end of the first pressing bolt 600 is brought into contact with the side surface.

Also, the second pressing bolt 700 is inserted into the second insertion hole 510, and is movable in the left and right direction when it is rotated in one direction or the other direction, so that the end is in contact with the inner surface of the opening 1011 . The body 100 is seated in the opening 1011 and the pin insertion hole 210 of the support plate 200 and the connection pin 1300 are set to the same position. Then, the first pressing bolt 600 and the second pressing When the body 100 is fixed by rotating the bolt 700, the movement of the driving rod 1400 fastened to the supporting plate 200 can be restricted.

Referring to FIGS. 3 and 4, the body 100 includes a top plate 110, a first side plate 120, and a second side plate 130.

The upper plate 110 is extended in the horizontal direction so that the lower surface of the upper plate 110 is in contact with the inner surface of the opening 1011 and the first bolt support plate 400 and the second bolt support plate 500 are formed on the upper surface thereof, .

The first side plate 120 is formed on one side of the upper plate 110 and is formed in a plate shape which is raised in the vertical direction.

The second side plate 130 is formed on the other side of the upper plate 110 so as to face the first side plate 120 and the support plate 200 is fixed and attached. Therefore, the body has left and right side and lower side opened shapes.

Referring to FIGS. 3 and 4, the first side plate 110 is provided with a third pressing bolt 800. The third pressing bolt 800 is inserted into the third insertion hole 111 formed in the first side plate 110 and formed with a thread on the inner side. As the third pressing bolt 800 is guided by the third insertion hole 121 and rotates, the third pressing bolt 800 can be moved in the forward and backward directions, and the end of the third pressing bolt 800 is brought into contact with the side wall 1010. When the third pressing bolt 800 is rotated to one side so that the end of the third pressing bolt 800 contacts the side wall 1010, the body 100 is firmly fixed to the side wall while being tightly fixed. On the other hand, So that the body 100 can be detached from the opening 1011 when the end is separated from the side wall 1010.

5, the third pressing bolt 800 includes a head 810 for transmitting a rotational force to the third pressing bolt 800 and a second pressing bolt 800 extending from one side of the head 810 and having a third insertion hole 121 And a pressing portion 830 formed at an end of the screw portion 820 and contacting the side wall 1010. [ At this time, the pressing portion 830 is formed in an inclined shape so that the terminal area gradually decreases. This is to prevent the third pressing bolt 800 from sliding on the surface of the side wall 1010 when the third pressing bolt 800 rotates and presses the side wall 1010.

5, protrusions 220 are protruded from the lower end of the support plate 200 so as to separate the body 100 from the bottom of the case of the power plant 1000 by a predetermined distance. This is because the welded portion P is formed on the joint between the bottom plate and the side wall 1010 of the substation 1000. The protruding protrusion 220 protrudes the second side wall 120 from the welded portion P, The protruding length of the protrusion 220 may be spaced apart from the protruding length of the side wall 1010.

6, the connection sequence of the variable displacement load disconnecting rod driving rod fixing mechanism and the driving rod 1400 will be described. First, the disconnecting unit 1100 is turned off. The body 100 is placed in the opening 1011 and then slid in the left and right direction to adjust the connection pin 1300 and the pin insertion hole 210 of the support plate 200 to coincide with each other. Then, the first and second pressing bolts 600 and 700 are rotated to primarily fix the body 100. Thereafter, the third pressing bolt 800 is rotated to closely contact the second side plate 120 and the side wall 1010, and fix the body 100 to the side wall. The fixing pin 300 is inserted into the pin insertion hole 210 and the fixing pin 300 is pressed to separate the disconnecting link 1200 and the driving rod 1400 while pushing the connecting pin 1300. Therefore, since the body 100 is firmly fixed to the opening 1011 and the driving rod 1400 is also fixed to the supporting plate 200, the gas insulated switch 2000 and the disconnecting unit 1100 can be kept in the OFF state at all times. The operator then removes the aged drive motor 1110 and various electrical devices to mount the new electrical device and drive motor 1110.

As described above, the transformer-disconnection disconnection device driving rod fixing mechanism of the present invention fixes the movement of the driving rod 1400 for turning on / off the electric power supplied to the substation 1000 so as to restrict the movement of various electric devices such as relays and electromagnetic contactors 1100), it is possible to prevent the occurrence of electric shock and malfunction of the operator.

1000: Substation 1100: Electric device
1200: gas insulated switchgear 1300: connection link
1400: drive rod
100: body 110: top plate
120: first side plate 130: second side plate
200: support plate 210: pin insertion hole
220: protruding jaw 300: fixing pin
400: first bolt support plate 410: first insertion hole
500: second bolt support plate 510: second insertion hole
600: first pressing bolt 700: second pressing bolt
800: Third pressurizing bolt

Claims (5)

A disconnecting switch 1100 connected to the gas insulated switchgear 2000 for controlling the movement of a voltage or a current and a driving motor 1110 provided on one side of the disconnecting switch 1100 and rotating to one side or the other side; A disconnector link 1200 which is connected to the drive motor 1110 so as to rotate to one side or the other side in accordance with the driving of the drive motor 1110 and a disconnector 1200 which is connected to the disconnector link 1200 by a connection pin 1300, And a drive rod 1400 connected to the gas insulated switch 2000 to turn the gas insulated switch 2000 on and off according to the rotation of the drive motor 1110,
A body 100 seated and fixed to an opening 1011 formed in a side wall 1010 of the substation 1000;
A support plate 200 erected vertically to be fixed to a side surface of the body 100 and having a pin insertion hole 210 formed therein;
The connection pin 1300 is inserted into the pin insertion hole 210 and the connecting pin 1300 is pressed and detached to separate the disconnector link 1200 and the driving rod 1400, A fixing pin 300 for coupling the driving rod 1400 and the support plate 200 to each other;
Wherein the drive rod fixing device comprises: The method according to claim 1,
A first bolt support plate 400 protruding upward from an upper surface of the body 100 and having a first insertion hole 410 formed therethrough;
A second bolt support plate 500 spaced apart from the first bolt support plate 400 by a predetermined distance and protruding upward from the upper surface of the body 100 and having a second insertion hole 510 formed therethrough;
A first pressing bolt (not shown) inserted into the first insertion hole 410 to fix the body 100 to the opening 1011 and moving in the lateral direction as it rotates to contact the inner surface of the opening 1011 600), and a second pressing bolt (700) inserted in the second insertion hole (510) and moving in the lateral direction as it rotates to contact the inner surface of the opening (1011). Further comprising the step of disposing the drive rod fixing device for the legendary cost disconnector. 3. The method according to claim 1 or 2,
The body 100 is
An upper plate 110 extending in the horizontal direction so as to contact the inner surface of the opening 1011 and to form the first bolt support plate 400 and the second bolt support plate 500 on the upper surface thereof;
A first side plate 120 formed on one side of the upper plate 110;
And a second side plate 130 formed on the other side of the upper plate 110 to face the first side plate 120 and to which the support plate 200 is fixed. . The method of claim 3,
The first side plate 110 is provided with a third pressing bolt 800 that moves in the forward and backward direction as it rotates to fix or detach the body 100 to the side wall 1010,
Wherein the third pressing bolt (800) is formed in an inclined shape such that the end surface area of one end of the third pressing bolt (800) contacting the side wall (1010) gradually decreases. 3. The method according to claim 1 or 2,
Wherein a protruding step 220 is formed at a lower end of the support plate 200 so as to separate the body 100 from the bottom surface of the substation 1000 by a predetermined distance. Instrument.
KR20140074026A 2014-06-18 2014-06-18 Substation package used disconnecting switch driving rod apparatus for fixing KR101477611B1 (en)

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KR20140074026A KR101477611B1 (en) 2014-06-18 2014-06-18 Substation package used disconnecting switch driving rod apparatus for fixing

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Application Number Priority Date Filing Date Title
KR20140074026A KR101477611B1 (en) 2014-06-18 2014-06-18 Substation package used disconnecting switch driving rod apparatus for fixing

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101577410B1 (en) 2015-09-11 2015-12-14 (주)삼성이엔지 Fixed device for electrical power switch driving rod
KR102334421B1 (en) * 2021-04-08 2021-12-02 주식회사 신의이엔지 Relay device for supply and distribution control of the electric supply and distribution line

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050123065A (en) * 2005-11-24 2005-12-29 헤벨 주식회사 An instrument operate by using transformer equipment
KR20110075544A (en) * 2009-12-28 2011-07-06 주식회사 효성 An earthing switch of gas insulated switchgear

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050123065A (en) * 2005-11-24 2005-12-29 헤벨 주식회사 An instrument operate by using transformer equipment
KR20110075544A (en) * 2009-12-28 2011-07-06 주식회사 효성 An earthing switch of gas insulated switchgear

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101577410B1 (en) 2015-09-11 2015-12-14 (주)삼성이엔지 Fixed device for electrical power switch driving rod
KR102334421B1 (en) * 2021-04-08 2021-12-02 주식회사 신의이엔지 Relay device for supply and distribution control of the electric supply and distribution line

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