WO2014106912A1 - 真空遮断器 - Google Patents
真空遮断器 Download PDFInfo
- Publication number
- WO2014106912A1 WO2014106912A1 PCT/JP2013/062221 JP2013062221W WO2014106912A1 WO 2014106912 A1 WO2014106912 A1 WO 2014106912A1 JP 2013062221 W JP2013062221 W JP 2013062221W WO 2014106912 A1 WO2014106912 A1 WO 2014106912A1
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- WO
- WIPO (PCT)
- Prior art keywords
- circuit breaker
- vacuum circuit
- grounding
- support shaft
- arm
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/28—Earthing arrangements
Definitions
- the present invention relates to, for example, a vacuum circuit breaker equipped with a CR suppressor, and more particularly to a grounding structure of a CR suppressor mounted on the vacuum circuit breaker.
- FIG. 16 is a side cross-sectional view when a CR suppressor is mounted on the rear surface side fixing portion of the vacuum circuit breaker main body 120 in the conventional switchboard.
- the switchboard 100 here includes a box 20 closed with a metal plate, a fixed frame 1 of the vacuum circuit breaker body 120, an upper barrier 2, a both-side barrier 3, a fixed frame mounting base 4, an upper back barrier 5 of the vacuum circuit breaker body 120, Primary terminal (upper stage) / primary terminal (lower stage) barrier 6, back barrier 7 of vacuum circuit breaker body 120, primary terminal connection conductor 8 of vacuum circuit breaker body 120, control device panel 10, CT11, CT connection conductor 12, A megaring outlet 101, a work outlet 102, and a foreign matter fall prevention barrier 103 are included, and a vacuum circuit breaker body 120 is housed therein.
- a mega ring device 110 that operates in accordance with insertion / extraction of a circuit breaker is installed on the fixed frame 1. Further, according to the specifications of the vacuum circuit breaker main body 120, the installation position of the connection conductor 112 and the contactor 113 up to the bus and the cable adapted to the existing circuit breaker is changed. Further, by installing the CR suppressor 111 as a surge absorber at the rear surface side fixed portion of the vacuum circuit breaker main body 120 in the switchboard, the surge voltage itself is reduced and the surge suppression effect is improved.
- the drawer type vacuum circuit breaker includes a vacuum circuit breaker body 21 and a drawer frame 22, and the vacuum circuit breaker body 21 is a rail (not shown) installed on the drawer frame 22. It is supported so that it can move freely.
- the vacuum circuit breaker body 21 is provided with an upper movable terminal 23 and a lower movable terminal 24.
- the drawer frame 22 is provided with a terminal block 25 made of an insulating material.
- the terminal block 25 is provided with an upper fixed terminal 26 and a lower fixed terminal 37 corresponding to the upper movable terminal 23 and the lower movable terminal 24, respectively.
- the vacuum circuit breaker body 21 is generally moved in the drawer frame 22 by the operation of a drawing device (not shown), and is selectively fixed at the disconnection position or the connection position.
- the disconnecting position is a state in which the upper movable terminal 23 and the lower movable terminal 24 and the upper fixed terminal 26 and the lower fixed terminal 37 are not connected to each other, and the connected position is the upper movable terminal 23 and the upper fixed terminal. 26, the lower movable terminal 24, and the lower fixed terminal 37 are connected to each other through the drawing contact 36.
- a fixed side ground terminal 38 an operation lever 30, a ground contact 33, and a flexible lead 34 for connecting the ground contact 33 to the fixed side ground terminal 38 are provided below the drawer frame 22 of the drawer type vacuum circuit breaker. And are provided.
- One end of the operation lever 30 is rotatably supported on the drawer frame 22 by a rotary shaft 29, and a ground contact 33 is connected to the other end so as to be movable up and down.
- an operation roller 31 is rotatably supported at the center of the operation lever 30. The operation roller 31 engages with the bottom 21a of the vacuum circuit breaker body 21 at the connection position.
- the ground contact 33 is mounted so as to pass through the guide hole 25a formed in the terminal block 25 of the drawer frame 22 and the tip thereof is separated from the lower fixed terminal 37 and the drawer contact 36 at the connection position.
- the operation lever 30 is moved by the spring 32 in the direction in which the ground contact 33 is in contact with the lower fixed terminal 37, that is, in the counterclockwise direction. Further, a shorting bar 35 for connecting and short-circuiting the fixed-side ground terminal 38 of each pole is attached.
- the vacuum circuit breaker body 21 moves to the left, and the vacuum circuit breaker body 21 reaches the disconnection position until the vacuum circuit breaker is reached.
- the bottom of the container body 21 and the operation roller 31 are disengaged.
- the operating lever 30 rotates counterclockwise by the shifting force of the spring 32 and the grounding contactor 33 contacts the lower side fixed terminal 37, and the grounding contactor 33 is fixed to the lower side side by the shifting force of the spring 32.
- the terminal 37 is pressed to be grounded.
- the conventional vacuum circuit breaker moves the vacuum circuit breaker body 21 to the left as the ground of the CR suppressor installed at the rear side fixing portion of the vacuum circuit breaker body 120 in the switchboard, and the vacuum circuit breaker body 21 is disconnected.
- the bottom of the vacuum circuit breaker body 21 and the operation roller 31 are disengaged until reaching the position.
- the operation lever 30 is rotated counterclockwise by the shifting force of the spring 32, and the contact 33 for grounding is moved to the lower side.
- the ground contact 33 is pressed against the lower fixed terminal 37 by the shifting force of the spring 32 and comes into contact with the fixed terminal 37.
- the lower fixed terminal 37 of the rear surface fixed part in the switchboard is connected to the ground.
- the present invention has been made to solve the above-described problems, and its purpose is to mount a CR suppressor on the vacuum circuit breaker body and to reliably ground the movable terminal in the vacuum circuit breaker body.
- a vacuum circuit breaker that can be reduced in size is provided.
- a vacuum circuit breaker is a vacuum circuit breaker including a vacuum circuit breaker body that is inserted into and pulled out from a panel and has a movable terminal, and a CR suppressor installed as a surge absorber in the vacuum circuit breaker body.
- a grounding arm support shaft rotatably supported on the vacuum circuit breaker body, grounding arms attached to both ends of the grounding arm support shaft, a grounding arm connecting body connecting the grounding arms, and the grounding Drive means for driving the arm with the ground arm support shaft as a fulcrum and grounding the ground arm connecting body connected to the ground arm by contacting the movable side terminal is provided.
- the vacuum circuit breaker According to the vacuum circuit breaker according to the present invention, it is possible to obtain a vacuum circuit breaker that can be miniaturized by mounting a CR suppressor on the vacuum circuit breaker body and grounding the movable terminal in the vacuum circuit breaker body reliably. Can do.
- FIG. 1 is a side view showing a connection position in a vacuum circuit breaker according to Embodiment 1 of the present invention.
- FIG. 2 is a perspective view showing a connection position in the vacuum circuit breaker according to Embodiment 1 of the present invention.
- FIG. 3 is a side view showing the disconnection position in the vacuum circuit breaker according to Embodiment 1 of the present invention.
- FIG. 4 is a rear view showing the disconnection position in the vacuum circuit breaker according to Embodiment 1 of the present invention.
- FIG. 1 is a side view showing a connection position in a vacuum circuit breaker according to Embodiment 1 of the present invention.
- FIG. 2 is a perspective view showing a connection position in the vacuum circuit breaker according to Embodiment 1 of the present invention.
- FIG. 3 is a side view showing the disconnection position in the vacuum circuit breaker according to Embodiment 1 of the present invention.
- FIG. 4 is a rear view showing the disconnection position in the vacuum circuit breaker according to
- FIG. 5 is a perspective view showing a disconnecting position in the vacuum circuit breaker according to Embodiment 1 of the present invention.
- FIG. 6 is a side view showing the grounding position in the vacuum circuit breaker according to Embodiment 1 of the present invention.
- FIG. 7 is a perspective view showing a grounding position in the vacuum circuit breaker according to Embodiment 1 of the present invention.
- FIG. 8 is a rear view showing a grounding position in the vacuum circuit breaker according to Embodiment 1 of the present invention.
- FIG. 9 is a plan view showing a grounding position in the vacuum circuit breaker according to Embodiment 1 of the present invention.
- the present invention is characterized in that a CR suppressor is mounted on the vacuum circuit breaker body and the CR suppressor is grounded.
- FIG. 1 and FIG. 1 and 2 show a state in which the vacuum circuit breaker body is connected to the main circuit in the switchboard.
- Reference numeral 201 denotes a vacuum circuit breaker body, which is mounted on a carriage 202. Wheels 203 are attached to the carriage 202, and a handle 204 attached to the front surface of the vacuum circuit breaker body 201 is pushed to push the vacuum circuit breaker body 201 from the outside of the panel to the disconnection position within the panel, or to pull it out of the board. To do.
- the operation of the vacuum circuit breaker body 201 from the disconnection position to the connection position, or the movement from the connection position to the disconnection position is operated by an operation handle 219 described later. After disengaging the handle 219 from the drawer, the handle 204 is pulled to pull the vacuum circuit breaker body 201 out of the panel from the disconnection position.
- Reference numeral 207 denotes a CR suppressor installed as a surge absorber in the vacuum circuit breaker body 201, and is connected to the lower movable terminal 206 as an example in FIG.
- Reference numeral 208 is a grounding arm support shaft that is rotatably supported by the vacuum circuit breaker body 201, and is disposed below the lower movable terminal 206 in the example of FIG.
- Reference numeral 209 denotes a ground arm attached to both ends of the ground arm support shaft 208 (that is, both sides of the vacuum circuit breaker main body 201).
- Reference numeral 210 denotes a ground arm connecting body for connecting the ground arm 209.
- the ground arm connecting body 210 is shown in FIG. It is the structure which is earth
- 211 is a driving means for driving the ground arm 209 with the ground arm support shaft 208 as a fulcrum and bringing the ground arm connecting body 210 connected to the ground arm 209 into contact with the lower movable terminal 206 for grounding.
- the driving means 211 includes a crank arm support shaft 212 that is rotatably supported by the vacuum circuit breaker body 201, a crank arm 213 having one side attached to both ends of the crank arm support shaft 212, and the crank arm 213.
- a crank arm piece 214 provided on the other side and engaged with the ground arm 209 to drive the ground arm 209, a drive support shaft 215 rotatably supported on the vacuum circuit breaker body 201, and the drive support shaft 215
- an operating body 219 for operating the first driving body 216.
- the operation body 219 includes, for example, an operation handle (hereinafter referred to as an operation handle) engaged with the drive support shaft 215, and a handle engaging portion 219 a of the operation handle 219 is a handle receiver provided on the drive support shaft 215. 220 is engaged.
- an operation handle hereinafter referred to as an operation handle
- a handle engaging portion 219 a of the operation handle 219 is a handle receiver provided on the drive support shaft 215. 220 is engaged.
- the first drive body 216 is driven by rotating about the drive support shaft 215.
- FIG. 1 and 2 show a state in which the vacuum circuit breaker main body 201 is inserted into the panel and is in the connection position.
- the vacuum circuit breaker main body 201 is shown in FIG.
- the operation handle 219 is rotated to rotate the first driver 216 counterclockwise.
- the second driving body 217 is also rotated in the counterclockwise direction by the drive connecting body 218 suspended from the first driving body 216 and the second driving body 217.
- the CR suppressor 207 is omitted.
- crank arm support shaft 212 to which the second drive body 217 is attached rotates counterclockwise and is attached to both ends of the crank arm support shaft 212.
- the crank arm 213 also rotates counterclockwise, and the crank arm piece 214 provided on the other side of the crank arm 213 and the ground arm 209 are engaged.
- the operation handle 219 is rotated to further rotate the first driver 216 counterclockwise.
- the second driving body 217 is further rotated in the counterclockwise direction by the drive connecting body 218 suspended from the first driving body 216 and the second driving body 217.
- the CR suppressor 207 is omitted.
- crank arm support shaft 212 to which the second drive body 217 is attached further rotates counterclockwise and is attached to both ends of the crank arm support shaft 212.
- the crank arm 213 further rotated counterclockwise, and the crank arm piece 214 provided at one end of the crank arm 213 pushes up the ground arm 209 upward, and the ground arm connecting member 210 is moved to the lower movable side terminal. It contacts with 206 and grounds. Note that the ground line connected to the ground potential portion is not shown.
- the CR suppressor 207 is mounted on the vacuum circuit breaker body 201, and the ground arm connecting body 210 is brought into contact with the lower movable terminal 206 in the process of pulling the vacuum circuit breaker body 201 out of the panel from the disconnection position.
- the vacuum circuit breaker body 201 By pulling out the vacuum circuit breaker body 201 outside the panel while being securely grounded, even if the CR suppressor 207 is charged due to C (electrostatic capacity), it is grounded and discharged before being pulled out of the panel, Even if the CR suppressor 207 touches the CR suppressor 207, there is no electric shock, so that it is possible to obtain a vacuum circuit breaker with good workability and reduced size.
- the vacuum circuit breaker body 201 With the ground arm connecting body 210 brought into contact with the lower movable terminal 206 and securely grounded, the vacuum circuit breaker body 201 is pulled out of the panel, thereby inspecting the vacuum circuit breaker body 201, the CR suppressor 207, Various inspections and the like in the panel are performed, and when the various inspections are completed, the vacuum circuit breaker body 201 is inserted into the panel.
- the vacuum circuit breaker body 201 is inserted to the disconnection position in the panel in the grounded state shown in FIG. 7, and the operation handle 219 is rotated clockwise to move the first driver 216 clockwise. Rotate.
- the second driving body 217 is also rotated in the clockwise direction by the driving communication body 218 suspended from the first driving body 216 and the second driving body 217.
- crank arm support shaft 212 to which the second drive body 217 is attached rotates clockwise, and the crank arm attached to both ends of the crank arm support shaft 212. 213 also rotates clockwise and the crank arm piece 214 provided on the other side of the crank arm 213 also moves downward in conjunction with the crank arm 213, and the ground arm 209 also moves downward in conjunction with the crank arm piece 214.
- connection position the contact state between the ground arm connecting member 210 and the lower movable terminal 206 is released, and the ground state is released.
- the operation handle 219 is rotated to further rotate the first driver 216 in the clockwise direction.
- the second driving body 217 is further rotated in the clockwise direction by the drive connecting body 218 suspended from the first driving body 216 and the second driving body 217. .
- crank arm support shaft 212 to which the second driving body 217 is attached is further rotated in the clockwise direction, and is attached to both ends of the crank arm support shaft 212.
- the crank arm 213 further rotates clockwise, and the crank arm piece 214 provided at one end of the crank arm 213 further moves in conjunction with the crank arm 213, and the ground arm 209 also moves downward in conjunction with the crank arm piece 214.
- the contact state between the ground arm connecting member 210 and the lower movable terminal 206 is reliably released, and the ground state is reliably released.
- the vacuum circuit breaker body 201 is further connected to the back side connection position in the panel. Insert further until connection is completed.
- FIG. 10 is a side view showing a connection position in a vacuum circuit breaker according to Embodiment 2 of the present invention.
- FIG. 11 is a perspective view showing a connection position in a vacuum circuit breaker according to Embodiment 2 of the present invention.
- FIG. 12 is a side view showing the disconnection position in the vacuum circuit breaker according to Embodiment 2 of the present invention.
- FIG. 13 is a perspective view which shows the disconnection position in the vacuum circuit breaker concerning Embodiment 2 of this invention.
- FIG. 14 is a side view showing a grounding position in the vacuum circuit breaker according to Embodiment 2 of the present invention.
- FIG. 15 is a perspective view showing a grounding position in a vacuum circuit breaker according to Embodiment 2 of the present invention.
- 10 and 11 show a state where the vacuum circuit breaker body is connected.
- 201 is a vacuum circuit breaker body
- 202 is a carriage
- 203 is a wheel
- 204 is a handle
- 205 is an upper movable terminal
- 206 is a lower movable terminal
- 207 is a CR suppressor installed as a surge absorber.
- Reference numeral 221 is a ground arm support shaft that is rotatably supported by the vacuum circuit breaker body 201, and is disposed, for example, above the lower movable terminal 206.
- Reference numeral 222 denotes a ground arm attached to both ends of the ground arm support shaft 221.
- Reference numeral 223 denotes a ground arm connecting body for connecting the ground arm 222.
- the ground arm connecting body 223 is grounded by contacting the lower movable terminal 206. This is a configuration.
- 224 is a driving means for driving the ground arm 222 with the ground arm support shaft 221 as a fulcrum and bringing the ground arm connecting body 223 connected to the ground arm 222 into contact with the lower movable terminal 206 for grounding.
- This driving means 224 is provided on a fixed portion in the panel and is engaged with the roller body 225, and the engagement with the roller body 225 is released.
- the engagement body 226 that drives the ground arm 222 is configured.
- FIG. 10 and 11 show a state in which the vacuum circuit breaker main body 201 is inserted into the board and is in the connection position.
- the vacuum circuit breaker main body 201 is shown in FIG. And it pulls out to the disconnection position shown in FIG. In this state, the roller body 225 and the engagement body 226 are still engaged.
- the roller body 225 is engaged with the engagement body 226. It moves downward along the inclined part 226a.
- the ground arm 222 rotates clockwise with the ground arm support shaft 221 as a fulcrum, and the roller body 225 disengages from the inclined portion 226a of the engagement body 226.
- the engagement with the united body 226 is released, the ground arm 222 further rotates clockwise with the ground arm support shaft 221 as a fulcrum, and the ground arm connecting body 223 contacts the lower movable side terminal 206 and is grounded.
- This operation is performed when the vacuum circuit breaker body 201 is in the panel, and as shown in FIGS. 14 and 15, the ground arm connecting member 223 is in contact with the lower movable terminal 206 and is securely grounded.
- the vacuum circuit breaker body 201 is pulled out of the panel.
- the ground wire connected to the ground potential location is not shown.
- the vacuum circuit breaker main body 201 is brought out of the panel.
- C capacitor capacitance
- the vacuum circuit breaker body 201 With the ground arm contactor 223 in contact with the lower movable terminal 206 and being securely grounded, the vacuum circuit breaker body 201 is pulled out of the panel to check the vacuum circuit breaker body 201, the CR suppressor 207, Various inspections and the like in the panel are performed, and when the various inspections are completed, the vacuum circuit breaker body 201 is inserted into the panel.
- the present invention is suitable for realizing a vacuum circuit breaker that can be miniaturized by mounting a CR suppressor on the vacuum circuit breaker body and grounding the movable terminal of the vacuum circuit breaker body reliably.
- 201 Vacuum circuit breaker body 205 Upper movable side terminal, 206 Lower movable terminal, 207 CR suppressor, 208 Ground arm support shaft, 209 Ground arm, 210 Ground arm communication body, 211 driving means, 212 Crank arm support shaft, 213 Crank arm, 214 crank arm piece, 215 drive support shaft, 216 first driving body, 217 second driving body, 218 driving communication body, 219 Operation handle, 221 Ground arm support shaft, 222 grounding arm, 223 grounding arm communication body, 224 driving means, 225 roller body, 226 engaging body.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Trip Switchboards (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Gas-Insulated Switchgears (AREA)
- Patch Boards (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
Description
すなわち、図17および図18に示すように、引出形真空遮断器は、真空遮断器本体21と引出枠22とからなり、真空遮断器本体21は、引出枠22に設置されている図示しないレール上を移動自在に支持されている。真空遮断器本体21には上部側可動端子23および下部側可動端子24とが設けられている。引出枠22には絶縁材料からなる端子台25が設けられ、端子台25には上部側可動端子23および下部側可動端子24に対応するそれぞれ上部側固定端子26および下部側固定端子37が装着される。
以下、この発明の実施の形態1を図1から図9に基づいて説明するが、各図において、同一、または相当部材、部位については同一符号を付して説明する。図1はこの発明の実施の形態1に係わる真空遮断器における接続位置を示す側面図である。図2はこの発明の実施の形態1に係わる真空遮断器における接続位置を示す斜視図である。図3はこの発明の実施の形態1に係わる真空遮断器における断路位置を示す側面図である。図4はこの発明の実施の形態1に係わる真空遮断器における断路位置を示す背面図である。図5はこの発明の実施の形態1に係わる真空遮断器における断路位置を示す斜視図である。図6はこの発明の実施の形態1に係わる真空遮断器における接地位置を示す側面図である。図7はこの発明の実施の形態1に係わる真空遮断器における接地位置を示す斜視図である。図8はこの発明の実施の形態1に係わる真空遮断器における接地位置を示す背面図である。図9はこの発明の実施の形態1に係わる真空遮断器における接地位置を示す平面図である。
この発明の実施の形態2を図10から図15に基づいて説明するが、各図において、同一、または相当部材、部位については同一符号を付して説明する。図10はこの発明の実施の形態2に係わる真空遮断器における接続位置を示す側面図である。図11はこの発明の実施の形態2に係わる真空遮断器における接続位置を示す斜視図である。図12はこの発明の実施の形態2に係わる真空遮断器における断路位置を示す側面図である。図13はこの発明の実施の形態2に係わる真空遮断器における断路位置を示す斜視図である。図14はこの発明の実施の形態2に係わる真空遮断器における接地位置を示す側面図である。図15はこの発明の実施の形態2に係わる真空遮断器における接地位置を示す斜視図である。
206 下部可動側端子、207 CRサプレッサ、
208 接地アーム支持軸、209 接地アーム、
210 接地アーム連絡体、211 駆動手段、
212 クランクアーム支持軸、213 クランクアーム、
214 クランクアーム片、215 駆動支持軸、
216 第1駆動体、217 第2駆動体、218 駆動連絡体、
219 操作ハンドル、221 接地アーム支持軸、
222 接地アーム、223 接地アーム連絡体、
224 駆動手段、225 ローラ体、226 係合体。
Claims (4)
- 盤内に挿入および引き出されるとともに可動端子を有する真空遮断器本体と、前記真空遮断器本体にサージアブゾーバとして設置されたCRサプレッサとを備えた真空遮断器であって、前記真空遮断器本体に回動可能に支承された接地アーム支持軸と、前記接地アーム支持軸の両端に取り付けられた接地アームと、前記接地アームを連結する接地アーム連絡体と、前記接地アームを前記接地アーム支持軸を支点として駆動するとともに前記接地アームに連結された前記接地アーム連絡体を前記可動端子に当接させて接地する駆動手段とを設けたことを特徴とする真空遮断器。
- 前記駆動手段は、前記真空遮断器本体に回動可能に支承されたクランクアーム支持軸と、前記クランクアーム支持軸の両端に一方側が取り付けられたクランクアームと、前記クランクアームの他方側に設けられ、前記接地アームと係合して前記接地アームを駆動するクランクアーム片と、前記真空遮断器本体に回動可能に支承された駆動支持軸と、前記駆動支持軸に取り付けられた第1駆動体と、前記クランクアーム支持軸に取り付けられた第2駆動体と、前記第1駆動体と前記第2駆動体とに懸架された駆動連絡体と、前記第1駆動体を操作する操作体とから構成されたことを特徴とする請求項1に記載の真空遮断器。
- 前記操作体は、前記駆動支持軸に係合される操作ハンドルからなることを特徴とする請求項2に記載の真空遮断器。
- 前記駆動手段は、前記接地アームに回動可能に取り付けられたローラ体と、前記盤内の固定部に設けられて前記ローラ体と係合され、前記ローラ体との係合が解除されることにより前記接地アームを駆動する係合体とから構成されたことを特徴とする請求項1に記載の真空遮断器。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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KR1020157007726A KR101686361B1 (ko) | 2013-01-07 | 2013-04-25 | 진공 차단기 |
CN201380052384.5A CN104718675B (zh) | 2013-01-07 | 2013-04-25 | 真空断路器 |
JP2014555421A JP5744351B2 (ja) | 2013-01-07 | 2013-04-25 | 真空遮断器 |
TW102121063A TWI550672B (zh) | 2013-01-07 | 2013-06-14 | 真空斷路器 |
HK15109887.0A HK1209238A1 (en) | 2013-01-07 | 2015-10-09 | Vacuum circuit breaker |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2013-000295 | 2013-01-07 | ||
JP2013000295 | 2013-01-07 |
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WO2014106912A1 true WO2014106912A1 (ja) | 2014-07-10 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2013/062221 WO2014106912A1 (ja) | 2013-01-07 | 2013-04-25 | 真空遮断器 |
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JP (1) | JP5744351B2 (ja) |
KR (1) | KR101686361B1 (ja) |
CN (1) | CN104718675B (ja) |
HK (1) | HK1209238A1 (ja) |
TW (1) | TWI550672B (ja) |
WO (1) | WO2014106912A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3255646A1 (de) * | 2016-06-06 | 2017-12-13 | Schneider Electric Industries SAS | Schaltfeld |
EP3879290A1 (en) | 2020-03-13 | 2021-09-15 | Dr. Brockhaus Messtechnik GmbH & Co. KG | Testing device for a magnetizable core and method for testing such core |
WO2022108159A1 (ko) * | 2020-11-17 | 2022-05-27 | 엘에스일렉트릭 (주) | 회로차단기용 접지 장치 |
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- 2013-04-25 KR KR1020157007726A patent/KR101686361B1/ko active IP Right Grant
- 2013-04-25 CN CN201380052384.5A patent/CN104718675B/zh active Active
- 2013-04-25 WO PCT/JP2013/062221 patent/WO2014106912A1/ja active Application Filing
- 2013-06-14 TW TW102121063A patent/TWI550672B/zh active
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EP3255646A1 (de) * | 2016-06-06 | 2017-12-13 | Schneider Electric Industries SAS | Schaltfeld |
EP3879290A1 (en) | 2020-03-13 | 2021-09-15 | Dr. Brockhaus Messtechnik GmbH & Co. KG | Testing device for a magnetizable core and method for testing such core |
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Also Published As
Publication number | Publication date |
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KR20150047596A (ko) | 2015-05-04 |
TW201428802A (zh) | 2014-07-16 |
JP5744351B2 (ja) | 2015-07-08 |
HK1209238A1 (en) | 2016-03-24 |
KR101686361B1 (ko) | 2016-12-13 |
CN104718675B (zh) | 2017-08-11 |
CN104718675A (zh) | 2015-06-17 |
JPWO2014106912A1 (ja) | 2017-01-19 |
TWI550672B (zh) | 2016-09-21 |
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