WO2019123641A1 - Switchgear - Google Patents

Switchgear Download PDF

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Publication number
WO2019123641A1
WO2019123641A1 PCT/JP2017/046155 JP2017046155W WO2019123641A1 WO 2019123641 A1 WO2019123641 A1 WO 2019123641A1 JP 2017046155 W JP2017046155 W JP 2017046155W WO 2019123641 A1 WO2019123641 A1 WO 2019123641A1
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WO
WIPO (PCT)
Prior art keywords
control device
compartment
circuit breaker
operation panel
device operation
Prior art date
Application number
PCT/JP2017/046155
Other languages
French (fr)
Japanese (ja)
Inventor
透 木村
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2017/046155 priority Critical patent/WO2019123641A1/en
Priority to JP2018526273A priority patent/JP6410996B1/en
Publication of WO2019123641A1 publication Critical patent/WO2019123641A1/en

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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
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/38—Hinged covers or doors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear

Definitions

  • the present invention relates to, for example, a metal closed switch gear in which circuit breakers are stacked.
  • circuit breakers are stacked in multiple stages, for example, on the upper and lower sides, the upper control equipment is disposed above the upper breaker, and the lower control equipment is disposed above the lower breaker. There is.
  • the control device is attached to the back of the upper control device door, and the control device is attached to the back of the lower control device door.
  • the operation of each control device needs to be operable with the control device door closed.
  • the operation panel of the upper control device is disposed at the central portion of the upper breaker, and the operation panel of the lower control device is disposed at the central portion of the lower breaker.
  • the operation panel of the upper control device is disposed at the center of the upper breaker, and the operation panel of the lower control device is disposed at the central of the lower breaker, and in particular
  • the control panel of the upper control device is usually arranged at a height of about 2 m from the ground surface. Therefore, there is a problem that it is necessary to operate using the stepladder or the like to operate the operation panel of the upper control device.
  • the present invention has been made to solve the above-mentioned problems, and an object thereof is to provide a switchgear capable of operating an operation panel of a control device without using a stepladder. .
  • the switchgear according to the present invention is provided in each of a plurality of circuit breaker compartments that respectively accommodate multistage-stacked circuit breakers, a control device compartment disposed on the upper side of the circuit breaker compartments, and the circuit breaker compartments.
  • a switchgear door and a control device door respectively provided in the control device compartment, wherein a plurality of control device operation panels are disposed on the lowermost control device door, and the control device compartment Is to operate each control device.
  • the switchgear according to the present invention includes a plurality of breaker compartments each accommodating a multistage stacked breaker, a control equipment compartment respectively disposed on the upper side of the breaker compartment, and the breaker compartment.
  • a switchgear having a circuit breaker door provided and a control device door provided in each of the control device compartments, each of the control device compartments collectively disposed in the lowermost control device door
  • a control device operation panel for operating the control device a first identification display body capable of visually confirming the control device operation panel on the upper side, and a second identification capable of visually confirming the control device operation panel on the lower side And a display body.
  • the switchgear comprises a first circuit breaker compartment accommodating the first circuit breaker disposed on the upper stage side, and a second circuit breaker compartment accommodating the second circuit breaker disposed on the lower stage side;
  • a first control device compartment disposed above the first circuit breaker compartment, a second control device compartment disposed above the second circuit breaker compartment, and the first circuit breaker compartment Provided in a first control unit door, a second control unit door provided in the second control unit compartment, a second control unit door provided in the first control control unit compartment, and a second control control unit compartment Switch gear having a second control device door, and the first control device controller disposed on the lower side second control device door
  • a first control device operation panel for operating the control device of the display, and a control device of the second control device compartment disposed together with the first control device operation panel on the second control device door on the lower side (2)
  • a control device operation panel is provided.
  • the switchgear comprises a first circuit breaker compartment accommodating the first circuit breaker disposed on the upper stage side, and a second circuit breaker compartment accommodating the second circuit breaker disposed on the lower stage side;
  • a first control device compartment disposed above the first circuit breaker compartment, a second control device compartment disposed above the second circuit breaker compartment, and the first circuit breaker compartment Provided in a first control unit door, a second control unit door provided in the second control unit compartment, a second control unit door provided in the first control control unit compartment, and a second control control unit compartment Switch gear having a second control device door, and the first control device controller disposed on the lower side second control device door
  • a first control device operation panel for operating the control device of the display, and a control device of the second control device compartment disposed together with the first control device operation panel on the second control device door on the lower side 2 Control device operation panel, first identification display body capable of visually confirming the first control device operation panel on the upper side, and second identification display capable of visually confirming the second control device operation panel on the
  • control device operation panel on the upper side and the control device operation panel on the lower side are collectively arranged on the control device door located on the lower side, without using a stepladder.
  • a switchgear capable of operating each control device operation panel can be obtained.
  • FIG. 1 is a side sectional view showing a switchgear according to Embodiment 1 of the present invention.
  • FIG. 2 is a front view showing a switchgear according to Embodiment 1 of the present invention.
  • FIG. 3 is an enlarged front view showing the main parts of the switchgear according to the first embodiment of the present invention.
  • case 1 is divided into a plurality of compartments, and the case where the circuit breaker is stacked in multiple stages in the vertical direction, for example, two stages, is shown.
  • the first circuit breaker compartment 2 is disposed on the upper side of the front side of the housing 1, and the second circuit breaker compartment 3 is disposed on the lower side.
  • a first breaker 4 is disposed in the first breaker compartment 2, and a second breaker 5 is disposed in the second breaker compartment 3.
  • a first control device compartment 6 is disposed on the upper side of the first circuit breaker compartment 2, and a second control device compartment 7 is disposed on the upper side of the second circuit breaker compartment 3.
  • a first breaker door 8 is disposed in the first breaker compartment 2
  • a first controller door 9 is disposed in the first control equipment compartment 6
  • a second breaker door 10 is disposed in the second breaker compartment 3.
  • a first control device (not shown) is disposed on the back surface of the first control device compartment 6 or the first control device door 9, and a second control is provided on the back surface of the second control device compartment 7 or the second control device door 11.
  • a device (not shown) is arranged.
  • the first cable compartment 12 is disposed on the upper side of the rear side of the housing 1 and the second cable compartment 13 is disposed on the lower side.
  • a second busbar compartment 15 is disposed on the upper side of the first cable compartment 12, and a first busbar compartment 14 adjacent to the first circuit breaker compartment 2 and is adjacent to the second breaker compartment 3 on the upper side of the second cable compartment 13. Is placed.
  • a plurality of first bus bars 16 are disposed in the first bus compartment 14, and each first bus bar 16 is connected by a first power source side junction 17 and a connection conductor 18.
  • a plurality of second buses 19 are disposed in the second bus compartment 15, and each of the second buses 19 is connected to the second power source side junction 20 by the connection conductor 21.
  • a first current transformer 22 is disposed in the first cable compartment 12, the first current transformer 22 is connected to the first load-side junction 23 by the connection conductor 24, and the first current transformer 22 is a first cable 25 and the connection conductor 26 are connected.
  • a second current transformer 27 is disposed in the second cable compartment 13, the second current transformer 27 is connected to the second load-side junction 28 by the connecting conductor 29, and the second current transformer 27 is a second cable. 30 and the connection conductor 31 are connected.
  • the first cable 25 and the second cable 30 are separated by a cable partition plate 32 provided in the second cable compartment 13.
  • the cable partition plate 32 is not necessarily required.
  • a first ground switch 33 connected to the first load-side junction 23 is disposed in the first cable compartment 12, and a second ground switch 34 connected to the second load-side junction 28 in the second cable compartment 13. Is arranged.
  • the back of the housing 1 is provided with a first back plate 35 closing the first cable compartment 12 and a second back plate 36 closing the second cable compartment 13.
  • a ventilating cylinder 38 having a pressure release flapper 37 is disposed on the top plate 1a of the upper part of the first circuit breaker compartment 2 and a ventilating cylinder having a pressure release flapper 39 on the top plate 1b of the first busbar compartment 14 40 is disposed, and a ventilating cylinder 42 having a pressure release flapper 41 is disposed on the top plate 1 c of the upper portion of the first cable compartment 12.
  • the first breaker door 8 is provided with a first breaker handle 43 for opening and closing the first breaker door 8
  • the second breaker door 10 is provided with a second breaker for opening and closing the second breaker door 10.
  • a handle 44 is provided.
  • the second control device operation panel 50 to be controlled and operated is disposed, and the first control device operation panel 45 and the second control device operation panel 50 are collectively disposed in the lower second control device door 11.
  • the first control device operation panel 45 includes, for example, a first display 46, a first LED 47, and a first operation button 48.
  • the second control device operation panel 50 includes, for example, a second display 51 and a second LED 52; The case where it comprises with the 2nd operation button 53 is shown.
  • a first test terminal 49 is disposed below the first control device operation panel 45, and a second test terminal 54 is disposed below the second control device operation panel 50.
  • the height from the ground surface is, for example, 1 m 50 cm or less It can be arranged and operated without using a stepladder or the like. This is particularly effective in an area where the operation position of the switchgear is specified at a height of, for example, 1 m 50 cm or less from the ground surface.
  • the first control device operation panel 45 or the second control device operation panel 45 or the second control device operation panel 50 is collectively arranged on the second control device door 11 on the lower side to prevent an erroneous operation.
  • a seal form which can be pasted from the first control device operation panel 45 toward the upper side so that it can be determined at a glance at a glance whether the control device operation panel 50 is the upper side or the lower side.
  • a first identification display body 55 consisting of a wiring simulation display is provided, and a second identification display body 56 consisting of a stickable seal-like wiring simulation display wired from the second control device operation panel 50 toward the lower side, for example Case is shown.
  • the 1st identification display body 55 and the 2nd identification display body 56 show the case where it is stuck on the 2nd control device door 11
  • the 1st identification display body 55 and the 2nd identification display body 56 are the 2nd control device doors The same effect can be achieved by providing the same directly to 11.
  • the first circuit breaker door 8 and the second circuit breaker door 10 are not provided with the operation panel of each control device, and each of the first circuit breaker compartment 2 and the second circuit breaker compartment 3 Is the only circuit breaker system, and has a simplified configuration.
  • the first control device (not shown) is disposed on the back of the first control device compartment 6 or the first control device door 9 in the second control device door 11 located on the lower side.
  • the second control device (not shown) disposed on the back of the second control device compartment 7 or the second control device door 11.
  • first control device operation panel 45 or the second control device operation panel 50 is on the upper side or the lower side can be determined by the first identification display body 55 or the second identification display body 56 by visual observation at a glance. As a result, the visibility can be improved, and an erroneous operation can be prevented, so that the safety can be improved.
  • FIG. 4 is an enlarged front view showing the main parts of a switchgear according to a second embodiment of the present invention.
  • the case has been described in which a seal-like wiring simulation display to which the first identification display 55 or the second identification display 56 can be attached is described, but in the second embodiment, the first The first identification display body 57 or the second identification display body 58 consisting of an arrow display disposed so as to surround the control device operation panel 45 or the second control device operation panel 50 is attached to the second control device door 11 Case is shown.
  • the first identification display body 57 is an arrow display that surrounds the periphery of the first control device operation panel 45 and the arrow is directed to the upper side
  • the second identification display body 58 surrounds the periphery of the second control device operation panel 50.
  • the arrow shows the case where it consists of the arrow display which turned to the lower side.
  • the 1st identification display body 57 and the 2nd identification display body 58 have shown the case where the 2nd control apparatus door 11 is stuck, the 1st identification display body 57 and the 2nd identification display body 58 have a 2nd control apparatus door The same effect can be achieved by providing the same directly to 11.
  • the first control indicator operation is performed by the first identification display body 57 with the arrow directed to the upper side, which is the upper side or the lower side of the first control device operation panel 45 or the second control device operation panel 50. Since the panel 45 is on the upper side and the second control display panel 58 is directed to the lower side by the second identification display body 58 whose arrow is directed to the lower side, the second control device operation panel 50 can be visually recognized at a glance. Since the improvement of the property can be further achieved and the erroneous operation can be prevented, the improvement of the safety can be further enhanced.
  • FIG. 5 is an enlarged front view showing a main part of a switchgear according to a third embodiment of the present invention.
  • the first identification display body 57 surrounds the periphery of the first control device operation panel 45 and the arrow view is directed to the upper side
  • the second identification display body 58 has the second display.
  • the control device operation panel 50 is surrounded by an arrow display in which the arrow is directed to the lower side
  • the first control device operation panel 45 or the second control device operation panel The case where the first identification display body 59 or the second identification display body 60 consisting of the arrow display disposed in the second control device door 11 is used without being surrounded by the circumference of 50 is attached to the second control device door 11 It shows.
  • the first identification display body 59 is located near the first control device operation panel 45, for example, on the left side, and the arrow display is directed to the upper side
  • the second identification display body 60 is the second control device operation panel 50.
  • the case where it consists of the arrow display located in the vicinity, for example, right side, and the arrow is directed to the lower side is shown.
  • the 1st identification display body 59 and the 2nd identification display body 60 have shown the case where it is stuck on the 2nd control apparatus door 11
  • the 1st identification display body 59 and the 2nd identification display body 60 are 2nd control apparatus doors
  • the same effect can be achieved by providing the same directly to 11.
  • the first control device operation is performed by the first identification display body 59 with the arrow directed to the upper side, which of the first control device operation panel 45 or the second control device operation panel 50 is on the upper side or the lower side.
  • the second identification display body 60 with the panel 45 being on the upper side and the arrow pointing to the lower side makes it possible to visually distinguish at a glance that the second control device operation panel 50 is on the lower side. Since the improvement of the property can be further achieved and the erroneous operation can be prevented, the improvement of the safety can be further enhanced.
  • FIG. 6 is an enlarged front view showing a main part of a switchgear according to a fourth embodiment of the present invention.
  • the position of the first control device operation panel 45 is the same as that of the above-described embodiments, and the position of the second control device operation panel is lower than the position of the first control device operation panel 45 It is arranged to be located on the side.
  • the second control device operation panel 61 shows, for example, a case where it is configured by the second display 62, the second LED 63, and the second operation button 64, and is positioned below the first control device operation panel 45. It is arranged to be.
  • the second test terminal 65 is disposed on the upper side of the second control device operation panel 61.
  • FIG. 7 is an enlarged front view showing a main part of a switchgear according to a fifth embodiment of the present invention.
  • the second control device operation panel 61 is disposed so as to be located below the position of the first control device operation panel 45 in the horizontal direction.
  • the position of the second control device operation panel 50 is the same as that of the first to third embodiments described above, and the position of the first control device operation panel is located below the position of the second control device operation panel 50. It is arranged as follows.
  • the first control device operation panel 66 shows a case formed of, for example, the first display 67, the first LED 68, and the first operation button 69, and is positioned below the second control device operation panel 50. It is arranged to be.
  • the first test terminal 70 is disposed on the upper side of the first control device operation panel 66.
  • the first control device operation panel 45 is configured of the first display 46, the first LED 47, and the first operation button 48, and the first control device operation panel 66 is the first display 67.
  • the first control button 69, and the second control device operation panel 50 includes the second display 51, the second LED 52, and the second operation button 53, and the second control device operation panel
  • the first identification indicator 55 and the second identification indicator 56 in the first embodiment described above may be used, or the first identification indicator 57 and the second identification display 58 in the second embodiment described above may be used. It plays the same effect.
  • the first identification display body 59 is disposed on the left side of the first control device operation panel 45, and the second identification display body 60 is provided on the second control device operation panel 50.
  • the 1st identification display body 59 is arrange
  • the same effect can be obtained as long as the first identification display body and the second identification display body can be determined clearly by visual observation at a glance.
  • first identification display 55, 57, 59 and the second identification display 56, 58, 60 in each of the above-described embodiments are an example, and a first identification display that can be determined at a glance by visual observation. It is sufficient if it is a body, a second identification display, and the same effect can be obtained.
  • the 1st bus line compartment and the 2nd bus line compartment were provided separately, respectively, it is not limited to this,
  • the bus bar compartment may be one bus bar compartment, and the first cable compartment and the second cable compartment are separately provided, the present invention is not limited to this.
  • the second cable compartment may be one cable compartment, and the same effects as in the above-described embodiments can be obtained.
  • circuit breaker was 2-stage product composition
  • a circuit breaker is 2-stage product or more, for example, 3-stage product composition
  • three identification display bodies may be arranged in a centralized manner on the lowermost control device door, and the same effect can be obtained.
  • each embodiment can be freely combined, or each embodiment can be appropriately modified or omitted.
  • the present invention is suitable for realizing a highly reliable switch gear having excellent operability.
  • Reference Signs List 1 housing 2 first circuit breaker compartment 3 second circuit breaker compartment 4 first circuit breaker 5 second circuit breaker 6 first control device compartment 7 second control device compartment 8 first circuit breaker door , 9 1st control device door, 10 2nd circuit breaker door, 11 2nd control device door, 45 1st control device operation panel, 50 2nd control device operation panel, 55 1st identification display body, 56 2nd identification display Body, 57 first identification display body, 58 second identification display body, 59 first identification display body, 60 second identification display body, 61 second control device operation panel, 66 first control device operation panel

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  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
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Abstract

The switchgear according to the present invention has: a plurality of circuit breaker compartments 2, 3 for housing multi-stacked circuit breakers 4, 5, respectively; controller compartments 6, 7 respectively disposed on the upper sides of the circuit breaker compartments 2, 3; circuit breaker doors 8, 10 provided for the circuit breaker compartments 2, 3, respectively; and controller doors 9, 11 provided for the controller compartments 6, 7, respectively. A plurality of controller operation panels 45, 50 are disposed on the controller door 11 on the bottom side and respectively operate respective controllers in the controller compartments 6, 7.

Description

スイッチギヤSwitch gear
　この発明は、例えば遮断器が多段積された金属閉鎖形のスイッチギヤに関するものである。 The present invention relates to, for example, a metal closed switch gear in which circuit breakers are stacked.
　従来のスイッチギヤは、遮断器が例えば上段側と下段側に多段積され、上段側遮断器の上側に上段側制御機器が配置され、下段側遮断器の上側に下段側制御機器が配置されている。 In the conventional switchgear, circuit breakers are stacked in multiple stages, for example, on the upper and lower sides, the upper control equipment is disposed above the upper breaker, and the lower control equipment is disposed above the lower breaker. There is.
　上段側制御機器扉の裏面には制御機器が取付けられ、下段側制御機器扉の裏面には制御機器が取付けられている。各制御機器の操作は各制御機器扉を閉じたままで操作可能とする必要がある。 The control device is attached to the back of the upper control device door, and the control device is attached to the back of the lower control device door. The operation of each control device needs to be operable with the control device door closed.
　例えば、上段側遮断器の中央部に上段側制御機器の操作パネルが配置され、下段側遮断器の中央部に下段側制御機器の操作パネルが配置されている。 For example, the operation panel of the upper control device is disposed at the central portion of the upper breaker, and the operation panel of the lower control device is disposed at the central portion of the lower breaker.
　上段側遮断器の中央部に配置した上段側制御機器の操作パネルを操作して上段側制御機器を制御し、下段側遮断器の中央部に配置した下段側制御機器の操作パネルを操作して下段側制御機器を制御している。 Operate the control panel of the upper control device arranged at the center of the upper breaker, control the upper control equipment, and operate the control panel of the lower control arranged at the center of the lower breaker. Control the lower control device.
特開平１０－２５７６１３号公報Japanese Patent Application Laid-Open No. 10-257613
　上述した従来のスイッチギヤにおいては、上段側制御機器の操作パネルが上段側遮断器の中央部に配置され、下段側制御機器の操作パネルが下段側遮断器の中央部に配置されており、特に上段側制御機器の操作パネルは通常地表から高さ２ｍ付近に配置されることになる。したがって、上段側制御機器の操作パネルを操作するには脚立などを使用して操作する必要があるという問題があった。 In the conventional switchgear described above, the operation panel of the upper control device is disposed at the center of the upper breaker, and the operation panel of the lower control device is disposed at the central of the lower breaker, and in particular The control panel of the upper control device is usually arranged at a height of about 2 m from the ground surface. Therefore, there is a problem that it is necessary to operate using the stepladder or the like to operate the operation panel of the upper control device.
　この発明は、上記のような課題を解決するためになされたものであり、その目的は、脚立を使用することなく、制御機器の操作パネルを操作することができるスイッチギヤを提供するものである。 The present invention has been made to solve the above-mentioned problems, and an object thereof is to provide a switchgear capable of operating an operation panel of a control device without using a stepladder. .
　この発明に係わるスイッチギヤは、多段積された遮断器をそれぞれ収納する複数の遮断器コンパートメントと、前記遮断器コンパートメントの上方側にそれぞれ配置された制御機器コンパートメントと、前記遮断器コンパートメントにそれぞれ設けられた遮断器扉と、前記制御機器コンパートメントにそれぞれ設けられた制御機器扉とを有するスイッチギヤであって、最下段側の前記制御機器扉に複数の制御機器操作パネルが配置され、前記制御機器コンパートメントのそれぞれの制御機器を操作するものである。 The switchgear according to the present invention is provided in each of a plurality of circuit breaker compartments that respectively accommodate multistage-stacked circuit breakers, a control device compartment disposed on the upper side of the circuit breaker compartments, and the circuit breaker compartments. A switchgear door and a control device door respectively provided in the control device compartment, wherein a plurality of control device operation panels are disposed on the lowermost control device door, and the control device compartment Is to operate each control device.
　また、この発明に係わるスイッチギヤは、多段積された遮断器をそれぞれ収納する複数の遮断器コンパートメントと、前記遮断器コンパートメントの上方側にそれぞれ配置された制御機器コンパートメントと、前記遮断器コンパートメントにそれぞれ設けられた遮断器扉と、前記制御機器コンパートメントにそれぞれ設けられた制御機器扉とを有するスイッチギヤであって、最下段側の前記制御機器扉に集約して配置された前記制御機器コンパートメントのそれぞれの制御機器を操作する制御機器操作パネルと、上段側の前記制御機器操作パネルを目視により確認可能な第１識別表示体と、下段側の前記制御機器操作パネルを目視により確認可能な第２識別表示体とを備えたものである。 Further, the switchgear according to the present invention includes a plurality of breaker compartments each accommodating a multistage stacked breaker, a control equipment compartment respectively disposed on the upper side of the breaker compartment, and the breaker compartment. A switchgear having a circuit breaker door provided and a control device door provided in each of the control device compartments, each of the control device compartments collectively disposed in the lowermost control device door A control device operation panel for operating the control device, a first identification display body capable of visually confirming the control device operation panel on the upper side, and a second identification capable of visually confirming the control device operation panel on the lower side And a display body.
　また、この発明に係わるスイッチギヤは、上段側に配置された第１遮断器を収納する第１遮断器コンパートメントと、下段側に配置された第２遮断器を収納する第２遮断器コンパートメントと、前記第１遮断器コンパートメントの上方側に配置された第１制御機器コンパートメントと、前記第２遮断器コンパートメントの上方側に配置された第２制御機器コンパートメントと、前記第１遮断器コンパートメントに設けられた第１遮断器扉と、前記第２遮断器コンパートメントに設けられた第２遮断器扉と、前記第１制御機器コンパートメントに設けられた第１制御機器扉と、前記第２制御機器コンパートメントに設けられた第２制御機器扉とを有するスイッチギヤであって、下段側の前記第２制御機器扉に配置された前記第１制御機器コンパートメントの制御機器を操作する第１制御機器操作パネルと、下段側の前記第２制御機器扉に前記第１制御機器操作パネルととともに配置された前記第２制御機器コンパートメントの制御機器を操作する第２制御機器操作パネルとを備えたものである。 Further, the switchgear according to the present invention comprises a first circuit breaker compartment accommodating the first circuit breaker disposed on the upper stage side, and a second circuit breaker compartment accommodating the second circuit breaker disposed on the lower stage side; A first control device compartment disposed above the first circuit breaker compartment, a second control device compartment disposed above the second circuit breaker compartment, and the first circuit breaker compartment Provided in a first control unit door, a second control unit door provided in the second control unit compartment, a second control unit door provided in the first control control unit compartment, and a second control control unit compartment Switch gear having a second control device door, and the first control device controller disposed on the lower side second control device door A first control device operation panel for operating the control device of the display, and a control device of the second control device compartment disposed together with the first control device operation panel on the second control device door on the lower side (2) A control device operation panel is provided.
　また、この発明に係わるスイッチギヤは、上段側に配置された第１遮断器を収納する第１遮断器コンパートメントと、下段側に配置された第２遮断器を収納する第２遮断器コンパートメントと、前記第１遮断器コンパートメントの上方側に配置された第１制御機器コンパートメントと、前記第２遮断器コンパートメントの上方側に配置された第２制御機器コンパートメントと、前記第１遮断器コンパートメントに設けられた第１遮断器扉と、前記第２遮断器コンパートメントに設けられた第２遮断器扉と、前記第１制御機器コンパートメントに設けられた第１制御機器扉と、前記第２制御機器コンパートメントに設けられた第２制御機器扉とを有するスイッチギヤであって、下段側の前記第２制御機器扉に配置された前記第１制御機器コンパートメントの制御機器を操作する第１制御機器操作パネルと、下段側の前記第２制御機器扉に前記第１制御機器操作パネルととともに配置された前記第２制御機器コンパートメントの制御機器を操作する第２制御機器操作パネルと、上段側の前記第１制御機器操作パネルを目視により確認可能な第１識別表示体と、下段側の前記第２制御機器操作パネルを目視により確認可能な第２識別表示体とを備えたものである。 Further, the switchgear according to the present invention comprises a first circuit breaker compartment accommodating the first circuit breaker disposed on the upper stage side, and a second circuit breaker compartment accommodating the second circuit breaker disposed on the lower stage side; A first control device compartment disposed above the first circuit breaker compartment, a second control device compartment disposed above the second circuit breaker compartment, and the first circuit breaker compartment Provided in a first control unit door, a second control unit door provided in the second control unit compartment, a second control unit door provided in the first control control unit compartment, and a second control control unit compartment Switch gear having a second control device door, and the first control device controller disposed on the lower side second control device door A first control device operation panel for operating the control device of the display, and a control device of the second control device compartment disposed together with the first control device operation panel on the second control device door on the lower side 2 Control device operation panel, first identification display body capable of visually confirming the first control device operation panel on the upper side, and second identification display capable of visually confirming the second control device operation panel on the lower side It is equipped with the body.
　この発明に係るスイッチギヤによれば、下段側に位置する制御機器扉に上段側の制御機器操作パネルと下段側の制御機器操作パネルを集約して配置したことにより、脚立を使用することなく、各制御機器操作パネルを操作することができるスイッチギヤを得ることができる。 According to the switchgear according to the present invention, the control device operation panel on the upper side and the control device operation panel on the lower side are collectively arranged on the control device door located on the lower side, without using a stepladder. A switchgear capable of operating each control device operation panel can be obtained.
この発明の実施の形態１に係わるスイッチギヤを示す側断面図である。BRIEF DESCRIPTION OF THE DRAWINGS It is a sectional side view which shows the switchgear concerning Embodiment 1 of this invention. この発明の実施の形態１に係わるスイッチギヤを示す正面図である。It is a front view which shows the switchgear concerning Embodiment 1 of this invention. この発明の実施の形態１に係わるスイッチギヤの要部を示す要部拡大正面図である。It is a principal part enlarged front view which shows the principal part of the switchgear concerning Embodiment 1 of this invention. この発明の実施の形態２に係わるスイッチギヤの要部を示す要部拡大正面図である。It is a principal part enlarged front view which shows the principal part of the switchgear concerning Embodiment 2 of this invention. この発明の実施の形態３に係わるスイッチギヤの要部を示す要部拡大正面図である。It is a principal part enlarged front view which shows the principal part of the switchgear concerning Embodiment 3 of this invention. この発明の実施の形態４に係わるスイッチギヤの要部を示す要部拡大正面図である。It is a principal part enlarged front view which shows the principal part of the switchgear concerning Embodiment 4 of this invention. この発明の実施の形態５に係わるスイッチギヤの要部を示す要部拡大正面図である。It is a principal part enlarged front view which shows the principal part of the switchgear concerning Embodiment 5 of this invention.
実施の形態１．
　以下、この発明の実施の形態１を図１から図３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に係わるスイッチギヤを示す側断面図である。図２はこの発明の実施の形態１に係わるスイッチギヤを示す正面図である。図３はこの発明の実施の形態１に係わるスイッチギヤの要部を示す要部拡大正面図である。 Embodiment 1
Hereinafter, Embodiment 1 of the present invention will be described based on FIGS. 1 to 3, but in the respective drawings, the same or corresponding members and portions will be described with the same reference numerals. FIG. 1 is a side sectional view showing a switchgear according to Embodiment 1 of the present invention. FIG. 2 is a front view showing a switchgear according to Embodiment 1 of the present invention. FIG. 3 is an enlarged front view showing the main parts of the switchgear according to the first embodiment of the present invention.
　これら各図において、筐体１は複数のコンパートメントに区切りされるとともに、遮断器が上下方向に多段積、例えば２段積された場合を示している。 In each of these drawings, the case 1 is divided into a plurality of compartments, and the case where the circuit breaker is stacked in multiple stages in the vertical direction, for example, two stages, is shown.
　筐体１の前面側で、上段側に第１遮断器コンパートメント２を配置し、下段側に第２遮断器コンパートメント３を配置している。第１遮断器コンパートメント２には第１遮断器４が配置され、第２遮断器コンパートメント３には第２遮断器５が配置されている。 The first circuit breaker compartment 2 is disposed on the upper side of the front side of the housing 1, and the second circuit breaker compartment 3 is disposed on the lower side. A first breaker 4 is disposed in the first breaker compartment 2, and a second breaker 5 is disposed in the second breaker compartment 3.
　第１遮断器コンパートメント２の上方側には第１制御機器コンパートメント６が配置され、第２遮断器コンパートメント３の上方側には第２制御機器コンパートメント７が配置されている。 A first control device compartment 6 is disposed on the upper side of the first circuit breaker compartment 2, and a second control device compartment 7 is disposed on the upper side of the second circuit breaker compartment 3.
　第１遮断器コンパートメント２には第１遮断器扉８が配置され、第１制御機器コンパートメント６には第１制御機器扉９が配置され、第２遮断器コンパートメント３には第２遮断器扉１０が配置され、第２制御機器コンパートメント７には第２制御機器扉１１が配置されている。第１制御機器コンパートメント６あるいは第１制御機器扉９の裏面には第１制御機器（図示せず）が配置され、第２制御機器コンパートメント７あるいは第２制御機器扉１１の裏面には第２制御機器（図示せず）が配置されている。 A first breaker door 8 is disposed in the first breaker compartment 2, a first controller door 9 is disposed in the first control equipment compartment 6, and a second breaker door 10 is disposed in the second breaker compartment 3. Are disposed, and a second control door 11 is disposed in the second control compartment 7. A first control device (not shown) is disposed on the back surface of the first control device compartment 6 or the first control device door 9, and a second control is provided on the back surface of the second control device compartment 7 or the second control device door 11. A device (not shown) is arranged.
　筐体１の後面側で、上段側に第１ケーブルコンパートメント１２を配置し、下段側に第２ケーブルコンパートメント１３を配置している。第１ケーブルコンパートメント１２の上方側で第１遮断器コンパートメント２と隣接する第１母線コンパートメント１４を配置し、第２ケーブルコンパートメント１３の上方側で第２遮断器コンパートメント３と隣接する第２母線コンパートメント１５を配置している。 The first cable compartment 12 is disposed on the upper side of the rear side of the housing 1 and the second cable compartment 13 is disposed on the lower side. A second busbar compartment 15 is disposed on the upper side of the first cable compartment 12, and a first busbar compartment 14 adjacent to the first circuit breaker compartment 2 and is adjacent to the second breaker compartment 3 on the upper side of the second cable compartment 13. Is placed.
　第１母線コンパートメント１４には複数の第１母線１６が配置され、各第１母線１６は第１電源側ジャンクション１７と接続導体１８によって接続されている。第２母線コンパートメント１５には複数の第２母線１９が配置され、各第２母線１９は第２電源側ジャンクション２０と接続導体２１によって接続されている。 A plurality of first bus bars 16 are disposed in the first bus compartment 14, and each first bus bar 16 is connected by a first power source side junction 17 and a connection conductor 18. A plurality of second buses 19 are disposed in the second bus compartment 15, and each of the second buses 19 is connected to the second power source side junction 20 by the connection conductor 21.
　第１ケーブルコンパートメント１２には第１変流器２２が配置され、第１変流器２２は第１負荷側ジャンクション２３と接続導体２４によって接続されるとともに、第１変流器２２は第１ケーブル２５と接続導体２６によって接続されている。 A first current transformer 22 is disposed in the first cable compartment 12, the first current transformer 22 is connected to the first load-side junction 23 by the connection conductor 24, and the first current transformer 22 is a first cable 25 and the connection conductor 26 are connected.
　第２ケーブルコンパートメント１３には第２変流器２７が配置され、第２変流器２７は第２負荷側ジャンクション２８と接続導体２９によって接続されるとともに、第２変流器２７は第２ケーブル３０と接続導体３１によって接続されている。 A second current transformer 27 is disposed in the second cable compartment 13, the second current transformer 27 is connected to the second load-side junction 28 by the connecting conductor 29, and the second current transformer 27 is a second cable. 30 and the connection conductor 31 are connected.
　第１ケーブル２５と第２ケーブル３０とは第２ケーブルコンパートメント１３に設けたケーブル仕切板３２により仕切られている。第１ケーブル２５と第２ケーブル３０との絶縁距離が充分確保されている場合には、ケーブル仕切板３２は必ずしも設ける必要はない。 The first cable 25 and the second cable 30 are separated by a cable partition plate 32 provided in the second cable compartment 13. When the insulation distance between the first cable 25 and the second cable 30 is sufficiently secured, the cable partition plate 32 is not necessarily required.
　第１ケーブルコンパートメント１２には第１負荷側ジャンクション２３と接続された第１接地開閉器３３が配置され、第２ケーブルコンパートメント１３には第２負荷側ジャンクション２８と接続された第２接地開閉器３４が配置されている。筐体１の背面には、第１ケーブルコンパートメント１２を閉塞する第１背板３５と、第２ケーブルコンパートメント１３を閉塞する第２背板３６とを設けている。 A first ground switch 33 connected to the first load-side junction 23 is disposed in the first cable compartment 12, and a second ground switch 34 connected to the second load-side junction 28 in the second cable compartment 13. Is arranged. The back of the housing 1 is provided with a first back plate 35 closing the first cable compartment 12 and a second back plate 36 closing the second cable compartment 13.
　第１遮断器コンパートメント２の上部の筐体天板１ａに放圧フラッパ３７を有する換気筒３８が配置され、第１母線コンパートメント１４の上部の筐体天板１ｂに放圧フラッパ３９を有する換気筒４０が配置され、第１ケーブルコンパートメント１２の上部の筐体天板１ｃに放圧フラッパ４１を有する換気筒４２が配置されている。 A ventilating cylinder 38 having a pressure release flapper 37 is disposed on the top plate 1a of the upper part of the first circuit breaker compartment 2 and a ventilating cylinder having a pressure release flapper 39 on the top plate 1b of the first busbar compartment 14 40 is disposed, and a ventilating cylinder 42 having a pressure release flapper 41 is disposed on the top plate 1 c of the upper portion of the first cable compartment 12.
　第１遮断器扉８にはその第１遮断器扉８を開閉する第１遮断器ハンドル４３が設けられ、第２遮断器扉１０にはその第２遮断器扉１０を開閉する第２遮断器ハンドル４４が設けられている。 The first breaker door 8 is provided with a first breaker handle 43 for opening and closing the first breaker door 8, and the second breaker door 10 is provided with a second breaker for opening and closing the second breaker door 10. A handle 44 is provided.
　下段側の第２制御機器扉１１の例えば左側に、第１制御機器コンパートメント６あるいは第１制御機器扉９の裏面に配置された第１制御機器（図示せず）を制御操作する第１制御機器操作パネル４５を配置し、下段側の第２制御機器扉１１の例えば右側に、第２制御機器コンパートメント７あるいは第２制御機器扉１１の裏面に配置された第２制御機器（図示せず）を制御操作する第２制御機器操作パネル５０を配置し、第１制御機器操作パネル４５および第２制御機器操作パネル５０を下段側の第２制御機器扉１１に集約して配置されている。 A first control device for controlling and operating a first control device (not shown) disposed on the back of the first control device compartment 6 or the first control device door 9, for example, on the left side of the lower second control device door 11. The second control device (not shown) disposed on the back of the second control device compartment 7 or the second control device door 11 with the operation panel 45 disposed, for example, on the right side of the lower second control device door 11 The second control device operation panel 50 to be controlled and operated is disposed, and the first control device operation panel 45 and the second control device operation panel 50 are collectively disposed in the lower second control device door 11.
　第１制御機器操作パネル４５は、例えば第１ディスプレイ４６と、第１ＬＥＤ４７と、第１操作ボタン４８とにより構成され、第２制御機器操作パネル５０は、例えば第２ディスプレイ５１と、第２ＬＥＤ５２と、第２操作ボタン５３とにより構成された場合を示している。第１制御機器操作パネル４５の下方側に第１テスト端子４９が配置され、第２制御機器操作パネル５０の下方側に第２テスト端子５４が配置されている。 The first control device operation panel 45 includes, for example, a first display 46, a first LED 47, and a first operation button 48. The second control device operation panel 50 includes, for example, a second display 51 and a second LED 52; The case where it comprises with the 2nd operation button 53 is shown. A first test terminal 49 is disposed below the first control device operation panel 45, and a second test terminal 54 is disposed below the second control device operation panel 50.
　このように、第１制御機器操作パネル４５および第２制御機器操作パネル５０を下段側の第２制御機器扉１１に集約して配置したことにより、地表からの高さが例えば１ｍ５０ｃｍ以下の位置に配置することができ、脚立などを使用することなく操作することができる。なお、スイッチギヤの操作位置が地表からの高さ例えば１ｍ５０ｃｍ以下の位置に指定される地域においては特に有効なものとなる。 As described above, by arranging the first control device operation panel 45 and the second control device operation panel 50 collectively on the second control device door 11 on the lower side, the height from the ground surface is, for example, 1 m 50 cm or less It can be arranged and operated without using a stepladder or the like. This is particularly effective in an area where the operation position of the switchgear is specified at a height of, for example, 1 m 50 cm or less from the ground surface.
　下段側の第２制御機器扉１１に第１制御機器操作パネル４５および第２制御機器操作パネル５０を集約して配置したことにより、誤操作を防止するため、第１制御機器操作パネル４５あるいは第２制御機器操作パネル５０のどちらが上段側か、下段側かを目視だけで一目瞭然に判別することができるよう、例えば第１制御機器操作パネル４５から上段側に向けて配線された貼付可能なシール状の配線模擬表示からなる第１識別表示体５５を設け、例えば第２制御機器操作パネル５０から下段側に向けて配線された貼付可能なシール状の配線模擬表示からなる第２識別表示体５６を設けた場合を示している。第１識別表示体５５および第２識別表示体５６は第２制御機器扉１１に貼付された場合を示しているが、第１識別表示体５５および第２識別表示体５６は第２制御機器扉１１に直接設けても同様の効果を奏する。 The first control device operation panel 45 or the second control device operation panel 45 or the second control device operation panel 50 is collectively arranged on the second control device door 11 on the lower side to prevent an erroneous operation. For example, it is possible to attach a seal form which can be pasted from the first control device operation panel 45 toward the upper side so that it can be determined at a glance at a glance whether the control device operation panel 50 is the upper side or the lower side. A first identification display body 55 consisting of a wiring simulation display is provided, and a second identification display body 56 consisting of a stickable seal-like wiring simulation display wired from the second control device operation panel 50 toward the lower side, for example Case is shown. Although the 1st identification display body 55 and the 2nd identification display body 56 show the case where it is stuck on the 2nd control device door 11, the 1st identification display body 55 and the 2nd identification display body 56 are the 2nd control device doors The same effect can be achieved by providing the same directly to 11.
　この実施の形態１においては、第１遮断器扉８および第２遮断器扉１０には各制御機器の操作パネルを設けておらず、第１遮断器コンパートメント２、第２遮断器コンパートメント３のそれぞれが遮断器系統のみとなり、簡素化された構成となっている。 In the first embodiment, the first circuit breaker door 8 and the second circuit breaker door 10 are not provided with the operation panel of each control device, and each of the first circuit breaker compartment 2 and the second circuit breaker compartment 3 Is the only circuit breaker system, and has a simplified configuration.
　また、この実施の形態１においては、下段側に位置する第２制御機器扉１１に、第１制御機器コンパートメント６あるいは第１制御機器扉９の裏面に配置された第１制御機器（図示せず）を制御操作する第１制御機器操作パネル４５と、第２制御機器コンパートメント７あるいは第２制御機器扉１１の裏面に配置された第２制御機器（図示せず）を制御操作する第２制御機器操作パネル５０とを集約して配置したことにより、地表からの高さが例えば１ｍ５０ｃｍ以下の位置に配置することができるので、脚立などを使用することなく、第１制御機器操作パネル４５および第２制御機器操作パネル５０を制御操作、あるいは保守時のメンテナンス操作させることができる。したがって、操作あるいはメンテナンス時間の削減を図ることができる。 Further, in the first embodiment, the first control device (not shown) is disposed on the back of the first control device compartment 6 or the first control device door 9 in the second control device door 11 located on the lower side. ) And the second control device (not shown) disposed on the back of the second control device compartment 7 or the second control device door 11. By arranging the operation panel 50 together, the height from the ground surface can be disposed, for example, at a position of 1 m 50 cm or less, so that the first control device operation panel 45 and the second The control device operation panel 50 can be controlled or operated for maintenance. Therefore, the operation or maintenance time can be reduced.
　また、第１制御機器操作パネル４５あるいは第２制御機器操作パネル５０のどちらが上段側か、下段側かを第１識別表示体５５あるいは第２識別表示体５６により、目視だけで一目瞭然に判別することができるので、視認性の向上を図ることができ、誤操作を防止することができるので安全性の向上を図ることができる。 In addition, whether the first control device operation panel 45 or the second control device operation panel 50 is on the upper side or the lower side can be determined by the first identification display body 55 or the second identification display body 56 by visual observation at a glance. As a result, the visibility can be improved, and an erroneous operation can be prevented, so that the safety can be improved.
実施の形態２．
　この発明の実施の形態２を図４に基づいて説明する。図４はこの発明の実施の形態２に係わるスイッチギヤの要部を示す要部拡大正面図である。 Second Embodiment
A second embodiment of the present invention will be described based on FIG. FIG. 4 is an enlarged front view showing the main parts of a switchgear according to a second embodiment of the present invention.
　上述した実施の形態１においては、第１識別表示体５５あるいは第２識別表示体５６が貼付可能なシール状の配線模擬表示からなる場合について述べたが、この実施の形態２においては、第１制御機器操作パネル４５あるいは第２制御機器操作パネル５０の周囲を囲繞して配置された矢印表示からなる第１識別表示体５７あるいは第２識別表示体５８とし、第２制御機器扉１１に貼付された場合を示している。 In the first embodiment described above, the case has been described in which a seal-like wiring simulation display to which the first identification display 55 or the second identification display 56 can be attached is described, but in the second embodiment, the first The first identification display body 57 or the second identification display body 58 consisting of an arrow display disposed so as to surround the control device operation panel 45 or the second control device operation panel 50 is attached to the second control device door 11 Case is shown.
　第１識別表示体５７は第１制御機器操作パネル４５の周囲を囲繞し矢視が上段側に向いた矢印表示からなり、第２識別表示体５８は第２制御機器操作パネル５０の周囲を囲繞し矢視が下段側に向いた矢印表示からなる場合を示している。第１識別表示体５７および第２識別表示体５８は第２制御機器扉１１に貼付された場合を示しているが、第１識別表示体５７および第２識別表示体５８は第２制御機器扉１１に直接設けても同様の効果を奏する。 The first identification display body 57 is an arrow display that surrounds the periphery of the first control device operation panel 45 and the arrow is directed to the upper side, and the second identification display body 58 surrounds the periphery of the second control device operation panel 50. The arrow shows the case where it consists of the arrow display which turned to the lower side. Although the 1st identification display body 57 and the 2nd identification display body 58 have shown the case where the 2nd control apparatus door 11 is stuck, the 1st identification display body 57 and the 2nd identification display body 58 have a 2nd control apparatus door The same effect can be achieved by providing the same directly to 11.
　このように、第１制御機器操作パネル４５あるいは第２制御機器操作パネル５０のどちらが上段側か、下段側かを、上段側に矢視が向いた第１識別表示体５７により第１制御機器操作パネル４５が上段側であり、下段側に矢視が向いた第２識別表示体５８により第２制御機器操作パネル５０が下段側であると、目視だけで一目瞭然に判別することができるので、視認性の向上をより一層図ることができ、誤操作を防止することができるので安全性の向上をより一層図ることができる。 In this manner, the first control indicator operation is performed by the first identification display body 57 with the arrow directed to the upper side, which is the upper side or the lower side of the first control device operation panel 45 or the second control device operation panel 50. Since the panel 45 is on the upper side and the second control display panel 58 is directed to the lower side by the second identification display body 58 whose arrow is directed to the lower side, the second control device operation panel 50 can be visually recognized at a glance. Since the improvement of the property can be further achieved and the erroneous operation can be prevented, the improvement of the safety can be further enhanced.
実施の形態３．
　この発明の実施の形態３を図５に基づいて説明する。図５はこの発明の実施の形態３に係わるスイッチギヤの要部を示す要部拡大正面図である。 Third Embodiment
A third embodiment of the present invention will be described based on FIG. FIG. 5 is an enlarged front view showing a main part of a switchgear according to a third embodiment of the present invention.
　上述した実施の形態２においては、第１識別表示体５７が第１制御機器操作パネル４５の周囲を囲繞し矢視が上段側に向いた矢印表示からなり、第２識別表示体５８が第２制御機器操作パネル５０の周囲を囲繞し矢視が下段側に向いた矢印表示からなる場合について述べたが、この実施の形態３においては、第１制御機器操作パネル４５あるいは第２制御機器操作パネル５０の周囲を囲繞することなく、第２制御機器扉１１に配置された矢印表示からなる第１識別表示体５９あるいは第２識別表示体６０とし、第２制御機器扉１１に貼付された場合を示している。 In the second embodiment described above, the first identification display body 57 surrounds the periphery of the first control device operation panel 45 and the arrow view is directed to the upper side, and the second identification display body 58 has the second display. Although the case has been described where the control device operation panel 50 is surrounded by an arrow display in which the arrow is directed to the lower side, in the third embodiment, the first control device operation panel 45 or the second control device operation panel The case where the first identification display body 59 or the second identification display body 60 consisting of the arrow display disposed in the second control device door 11 is used without being surrounded by the circumference of 50 is attached to the second control device door 11 It shows.
　第１識別表示体５９は第１制御機器操作パネル４５の近傍、例えば左側に位置し矢視が上段側に向いた矢印表示からなり、第２識別表示体６０は第２制御機器操作パネル５０の近傍、例えば右側に位置し矢視が下段側に向いた矢印表示からなる場合を示している。第１識別表示体５９および第２識別表示体６０は第２制御機器扉１１に貼付された場合を示しているが、第１識別表示体５９および第２識別表示体６０は第２制御機器扉１１に直接設けても同様の効果を奏する。 The first identification display body 59 is located near the first control device operation panel 45, for example, on the left side, and the arrow display is directed to the upper side, and the second identification display body 60 is the second control device operation panel 50. The case where it consists of the arrow display located in the vicinity, for example, right side, and the arrow is directed to the lower side is shown. Although the 1st identification display body 59 and the 2nd identification display body 60 have shown the case where it is stuck on the 2nd control apparatus door 11, the 1st identification display body 59 and the 2nd identification display body 60 are 2nd control apparatus doors The same effect can be achieved by providing the same directly to 11.
　このように、第１制御機器操作パネル４５あるいは第２制御機器操作パネル５０のどちらが上段側か、下段側かを、上段側に矢視が向いた第１識別表示体５９により第１制御機器操作パネル４５が上段側であり、下段側に矢視が向いた第２識別表示体６０により第２制御機器操作パネル５０が下段側であると、目視だけで一目瞭然に判別することができるので、視認性の向上をより一層図ることができ、誤操作を防止することができるので安全性の向上をより一層図ることができる。 Thus, the first control device operation is performed by the first identification display body 59 with the arrow directed to the upper side, which of the first control device operation panel 45 or the second control device operation panel 50 is on the upper side or the lower side. The second identification display body 60 with the panel 45 being on the upper side and the arrow pointing to the lower side makes it possible to visually distinguish at a glance that the second control device operation panel 50 is on the lower side. Since the improvement of the property can be further achieved and the erroneous operation can be prevented, the improvement of the safety can be further enhanced.
実施の形態４．
　この発明の実施の形態４を図６に基づいて説明する。図６はこの発明の実施の形態４に係わるスイッチギヤの要部を示す要部拡大正面図である。 Fourth Embodiment
Fourth Embodiment A fourth embodiment of the present invention will be described based on FIG. FIG. 6 is an enlarged front view showing a main part of a switchgear according to a fourth embodiment of the present invention.
　上述した各実施の形態においては、下段側に位置する第２制御機器扉１１に配置した第１制御機器操作パネル４５と第２制御機器操作パネル５０が水平方向において同じ高さ位置の場合について述べたが、これに限定されるものではない。 In each of the embodiments described above, the case where the first control device operation panel 45 and the second control device operation panel 50 disposed on the second control device door 11 located on the lower side are at the same height position in the horizontal direction is described However, it is not limited to this.
　この実施の形態４においては、例えば第１制御機器操作パネル４５の位置は上述した各実施の形態と同じ位置とし、第２制御機器操作パネルの位置を第１制御機器操作パネル４５の位置より下方側に位置するように配置したものである。 In the fourth embodiment, for example, the position of the first control device operation panel 45 is the same as that of the above-described embodiments, and the position of the second control device operation panel is lower than the position of the first control device operation panel 45 It is arranged to be located on the side.
　すなわち、第２制御機器操作パネル６１は、例えば第２ディスプレイ６２と、第２ＬＥＤ６３と、第２操作ボタン６４とにより構成された場合を示し、第１制御機器操作パネル４５の位置より下方側に位置するように配置されている。第２制御機器操作パネル６１の上方側に第２テスト端子６５が配置されている。 That is, the second control device operation panel 61 shows, for example, a case where it is configured by the second display 62, the second LED 63, and the second operation button 64, and is positioned below the first control device operation panel 45. It is arranged to be. The second test terminal 65 is disposed on the upper side of the second control device operation panel 61.
　こように、第２制御機器操作パネル６１を水平方向において第１制御機器操作パネル４５の位置より下方側に位置するように配置しても、上述した各実施の形態と同様の効果を奏する。 As described above, even if the second control device operation panel 61 is disposed below the position of the first control device operation panel 45 in the horizontal direction, the same effects as those of the above-described embodiments can be obtained.
実施の形態５．
　この発明の実施の形態５を図７に基づいて説明する。図７はこの発明の実施の形態５に係わるスイッチギヤの要部を示す要部拡大正面図である。 Embodiment 5
Fifth Embodiment A fifth embodiment of the present invention will be described based on FIG. FIG. 7 is an enlarged front view showing a main part of a switchgear according to a fifth embodiment of the present invention.
　上述した実施の形態４においては、第２制御機器操作パネル６１を水平方向において第１制御機器操作パネル４５の位置より下方側に位置するように配置した場合について述べたが、この実施の形態５においては、第２制御機器操作パネル５０の位置は上述した実施の形態１～３と同じ位置とし、第１制御機器操作パネルの位置を第２制御機器操作パネル５０の位置より下方側に位置するように配置したものである。 In the fourth embodiment described above, the case has been described where the second control device operation panel 61 is disposed so as to be located below the position of the first control device operation panel 45 in the horizontal direction. In the second embodiment, the position of the second control device operation panel 50 is the same as that of the first to third embodiments described above, and the position of the first control device operation panel is located below the position of the second control device operation panel 50. It is arranged as follows.
　すなわち、第１制御機器操作パネル６６は、例えば第１ディスプレイ６７と、第１ＬＥＤ６８と、第１操作ボタン６９とにより構成された場合を示し、第２制御機器操作パネル５０の位置より下方側に位置するように配置されている。第１制御機器操作パネル６６の上方側に第１テスト端子７０が配置されている。 That is, the first control device operation panel 66 shows a case formed of, for example, the first display 67, the first LED 68, and the first operation button 69, and is positioned below the second control device operation panel 50. It is arranged to be. The first test terminal 70 is disposed on the upper side of the first control device operation panel 66.
　こように、第１制御機器操作パネル６６を水平方向において第２制御機器操作パネル５０の位置より下方側に位置するように配置しても、上述した各実施の形態と同様の効果を奏する。 As described above, even if the first control device operation panel 66 is disposed below the position of the second control device operation panel 50 in the horizontal direction, the same effects as those of the above-described embodiments can be obtained.
　なお、上述した各実施の形態において、第１制御機器操作パネル４５が第１ディスプレイ４６と、第１ＬＥＤ４７と、第１操作ボタン４８とにより構成され、第１制御機器操作パネル６６が第１ディスプレイ６７と、第１ＬＥＤ６８と、第１操作ボタン６９とにより構成され、第２制御機器操作パネル５０が第２ディスプレイ５１と、第２ＬＥＤ５２と、第２操作ボタン５３とにより構成され、第２制御機器操作パネル６１が第２ディスプレイ６２と、第２ＬＥＤ６３と、第２操作ボタン６４とにより構成された場合について述べたが、これに限定されるものではなく、その他の構成のものでもよく、同様の効果を奏する。 In each of the above-described embodiments, the first control device operation panel 45 is configured of the first display 46, the first LED 47, and the first operation button 48, and the first control device operation panel 66 is the first display 67. And the first control button 69, and the second control device operation panel 50 includes the second display 51, the second LED 52, and the second operation button 53, and the second control device operation panel Although the case where 61 is comprised by the 2nd display 62, the 2nd LED 63, and the 2nd operation button 64 was described, it is not limited to this, and another thing may be sufficient, and the same effect is produced. .
　なお、上述した実施の形態４および実施の形態５においては、第２制御機器扉１１の例えば左右に矢印表示からなる第１識別表示体５９、第２識別表示体６０とした場合について述べたが、上述した実施の形態１における第１識別表示体５５、第２識別表示体５６としてもよく、あるいは上述した実施の形態２における第１識別表示体５７、第２識別表示体５８としてもよく、同様の効果を奏する。 In the fourth and fifth embodiments described above, the case where the first identification display body 59 and the second identification display body 60 including arrow display on the left and right of the second control device door 11, for example, has been described. The first identification indicator 55 and the second identification indicator 56 in the first embodiment described above may be used, or the first identification indicator 57 and the second identification display 58 in the second embodiment described above may be used. It plays the same effect.
　また、上述した実施の形態３から実施の形態５において、第１識別表示体５９は第１制御機器操作パネル４５の左側に配置し、第２識別表示体６０は第２制御機器操作パネル５０の右側に配置した場合について述べたが、これに限定されるものではなく、第１識別表示体５９を第１制御機器操作パネル４５の右側に配置し、第２識別表示体６０を第２制御機器操作パネル５０の左側に配置するようにしてもよい。このように、目視だけで一目瞭然に判別することができる第１識別表示体、第２識別表示体であればよく、同様の効果を奏する。 In the third to fifth embodiments described above, the first identification display body 59 is disposed on the left side of the first control device operation panel 45, and the second identification display body 60 is provided on the second control device operation panel 50. Although the case where it arrange | positions on the right side was described, it is not limited to this, the 1st identification display body 59 is arrange | positioned on the right side of the 1st control instrument operation panel 45, and the 2nd identification display body 60 is a 2nd control instrument It may be arranged on the left side of the operation panel 50. As described above, the same effect can be obtained as long as the first identification display body and the second identification display body can be determined clearly by visual observation at a glance.
　また、上述した各実施の形態における第１識別表示体５５，５７，５９と、第２識別表示体５６，５８，６０は一例であり、目視だけで一目瞭然に判別することができる第１識別表示体、第２識別表示体であればよく、同様の効果を奏する。 In addition, the first identification display 55, 57, 59 and the second identification display 56, 58, 60 in each of the above-described embodiments are an example, and a first identification display that can be determined at a glance by visual observation. It is sufficient if it is a body, a second identification display, and the same effect can be obtained.
　ところで、上述した各実施の形態においては、第１母線コンパートメントと第２母線コンパートメントとがそれぞれ分離して設けた場合について述べたが、これに限定されるものではなく、第１母線コンパートメントと第２母線コンパートメントとを一つの母線コンパートメントとしてもよく、また、第１ケーブルコンパートメントと第２ケーブルコンパートメントとがそれぞれ分離して設けた場合について述べたが、これに限定されるものではなく、第１ケーブルコンパートメントと第２ケーブルコンパートメントとを一つのケーブルコンパートメントとしてもよく、上述した各実施の形態と同様の効果を奏する。 By the way, in each embodiment mentioned above, although the case where the 1st bus line compartment and the 2nd bus line compartment were provided separately, respectively was described, it is not limited to this, The 1st bus line compartment and the 2nd Although the bus bar compartment may be one bus bar compartment, and the first cable compartment and the second cable compartment are separately provided, the present invention is not limited to this. And the second cable compartment may be one cable compartment, and the same effects as in the above-described embodiments can be obtained.
　また、上述した各実施の形態においては、遮断器が２段積構成された場合について述べたが、これに限定されるものではなく、遮断器が２段積以上、例えば３段積構成される場合についても適用することができ、最下段側の制御機器扉に３つの識別表示体を集約して配置すればよく、同様の効果を奏する。 Moreover, in each embodiment mentioned above, although the case where the circuit breaker was 2-stage product composition was described, it is not limited to this, A circuit breaker is 2-stage product or more, for example, 3-stage product composition The same can be applied to the case, and three identification display bodies may be arranged in a centralized manner on the lowermost control device door, and the same effect can be obtained.
　なお、この発明は、その発明の範囲内において、各実施の形態を自由に組み合わせたり、各実施の形態を適宜、変形、省略することが可能である。 In the present invention, within the scope of the invention, each embodiment can be freely combined, or each embodiment can be appropriately modified or omitted.
　この発明は、操作性に優れた信頼性の高いスイッチギヤの実現に好適である。 The present invention is suitable for realizing a highly reliable switch gear having excellent operability.
　１　筐体、２ 第１遮断器コンパートメント、３　第２遮断器コンパートメント、４　第１遮断器、５　第２遮断器、６　第１制御機器コンパートメント、７　第２制御機器コンパートメント、８　第１遮断器扉、９　第１制御機器扉、１０　第２遮断器扉、１１　第２制御機器扉、４５　第１制御機器操作パネル、５０　第２制御機器操作パネル、５５　第１識別表示体、５６　第２識別表示体、５７　第１識別表示体、５８　第２識別表示体、５９　第１識別表示体、６０　第２識別表示体、６１　第２制御機器操作パネル、６６　第１制御機器操作パネル Reference Signs List 1 housing 2 first circuit breaker compartment 3 second circuit breaker compartment 4 first circuit breaker 5 second circuit breaker 6 first control device compartment 7 second control device compartment 8 first circuit breaker door , 9 1st control device door, 10 2nd circuit breaker door, 11 2nd control device door, 45 1st control device operation panel, 50 2nd control device operation panel, 55 1st identification display body, 56 2nd identification display Body, 57 first identification display body, 58 second identification display body, 59 first identification display body, 60 second identification display body, 61 second control device operation panel, 66 first control device operation panel

Claims (15)

  1. 　多段積された遮断器をそれぞれ収納する複数の遮断器コンパートメントと、前記遮断器コンパートメントの上方側にそれぞれ配置された制御機器コンパートメントと、前記遮断器コンパートメントにそれぞれ設けられた遮断器扉と、前記制御機器コンパートメントにそれぞれ設けられた制御機器扉とを有するスイッチギヤであって、最下段側の前記制御機器扉に複数の制御機器操作パネルが配置され、前記制御機器コンパートメントのそれぞれの制御機器を操作することを特徴とするスイッチギヤ。 A plurality of circuit breaker compartments each accommodating a multistage stacked circuit breaker, a control device compartment disposed on the upper side of the circuit breaker compartment, a circuit breaker door provided in the circuit breaker compartment, and the control A switchgear having a control device door respectively provided in a device compartment, wherein a plurality of control device operation panels are disposed on the lowermost control device door, and the respective control devices of the control device compartment are operated A switchgear characterized by
  2. 　多段積された遮断器をそれぞれ収納する複数の遮断器コンパートメントと、前記遮断器コンパートメントの上方側にそれぞれ配置された制御機器コンパートメントと、前記遮断器コンパートメントにそれぞれ設けられた遮断器扉と、前記制御機器コンパートメントにそれぞれ設けられた制御機器扉とを有するスイッチギヤであって、最下段側の前記制御機器扉に配置された前記制御機器コンパートメントのそれぞれの制御機器を操作する制御機器操作パネルと、上段側の前記制御機器操作パネルを目視により確認可能な第１識別表示体と、下段側の前記制御機器操作パネルを目視により確認可能な第２識別表示体とを備えたことを特徴とするスイッチギヤ。 A plurality of circuit breaker compartments each accommodating a multistage stacked circuit breaker, a control device compartment disposed on the upper side of the circuit breaker compartment, a circuit breaker door provided in the circuit breaker compartment, and the control A switchgear having a control device door respectively provided in a device compartment, wherein the control device operation panel operates the respective control devices of the control device compartment disposed in the lowermost control device door; A switchgear comprising: a first identification display body capable of visually confirming the control device operation panel on the side; and a second identification display body capable of visually confirming the control device operation panel on the lower side .
  3. 　複数の前記制御機器操作パネルは水平方向に対し同じ高さ位置に配置されたことを特徴とする請求項１または請求項２に記載のスイッチギヤ。 The switchgear according to claim 1 or 2, wherein the plurality of control device operation panels are arranged at the same height position in the horizontal direction.
  4. 　複数の前記制御機器操作パネルは水平方向に対し相違する高さ位置に配置されたことを特徴とする請求項１または請求項２に記載のスイッチギヤ。 The switchgear according to claim 1 or 2, wherein the plurality of control device operation panels are arranged at different height positions with respect to the horizontal direction.
  5. 　前記第１識別表示体は一方側の前記制御機器操作パネルから上段側に向けて配線された配線模擬表示からなり、前記第２識別表示体は他方側の前記制御機器操作パネルから下段側に向けて配線された配線模擬表示からなることを特徴とする請求項２に記載のスイッチギヤ。 The first identification display body is a wiring simulation display wired from the control device operation panel on one side toward the upper side, and the second identification display body is directed to the lower side from the control device operation panel on the other side The switchgear according to claim 2, wherein the switchgear comprises a simulated wiring display.
  6. 　前記第１識別表示体は一方側の前記制御機器操作パネルの周囲を囲繞し矢視が上段側に向いた矢印表示からなり、前記第２識別表示体は他方側の前記制御機器操作パネルの周囲を囲繞し矢視が下段側に向いた矢印表示からなることを特徴とする請求項２に記載のスイッチギヤ。 The first identification display body is an arrow display that encloses the periphery of the control device operation panel on one side and the arrow is directed to the upper side, and the second identification display body is the periphery of the control device operation panel on the other side The switchgear according to claim 2, characterized in that it comprises an arrow display in which the arrow is directed to the lower side.
  7. 　前記第１識別表示体は一方側の前記制御機器操作パネルの左側に位置し矢視が上段側に向いた矢印表示からなり、前記第２識別表示体は他方側の前記制御機器操作パネルの右側に位置し矢視が下段側に向いた矢印表示からなることを特徴とする請求項２に記載のスイッチギヤ。 The first identification display body is located on the left side of the control device operation panel on one side, and the arrow display is directed to the upper side, and the second identification display body is the right side of the control device operation panel on the other side. The switchgear according to claim 2, wherein the switchgear is located at the bottom of the arrow and the arrow is directed to the lower side.
  8. 　上段側に配置された第１遮断器を収納する第１遮断器コンパートメントと、下段側に配置された第２遮断器を収納する第２遮断器コンパートメントと、前記第１遮断器コンパートメントの上方側に配置された第１制御機器コンパートメントと、前記第２遮断器コンパートメントの上方側に配置された第２制御機器コンパートメントと、前記第１遮断器コンパートメントに設けられた第１遮断器扉と、前記第２遮断器コンパートメントに設けられた第２遮断器扉と、前記第１制御機器コンパートメントに設けられた第１制御機器扉と、前記第２制御機器コンパートメントに設けられた第２制御機器扉とを有するスイッチギヤであって、下段側の前記第２制御機器扉に配置された前記第１制御機器コンパートメントの制御機器を操作する第１制御機器操作パネルと、下段側の前記第２制御機器扉に前記第１制御機器操作パネルととともに配置された前記第２制御機器コンパートメントの制御機器を操作する第２制御機器操作パネルとを備えたことを特徴とするスイッチギヤ。 A first circuit breaker compartment containing a first circuit breaker disposed on the upper side, a second circuit breaker compartment accommodating a second circuit breaker disposed on the lower side, and an upper side of the first circuit breaker compartment A first control device compartment disposed, a second control device compartment disposed on the upper side of the second circuit breaker compartment, a first circuit breaker door provided in the first circuit breaker compartment, the second A switch having a second circuit breaker door provided in a circuit breaker compartment, a first control device door provided in the first control device compartment, and a second control device door provided in the second control device compartment A first gear for operating the control device of the first control device compartment disposed in the second control device door on the lower side, which is a gear A second control device operation panel for operating a control device of the second control device compartment disposed on the lower side of the second control device door together with the first control device operation panel; Switch gear characterized by
  9. 　上段側に配置された第１遮断器を収納する第１遮断器コンパートメントと、下段側に配置された第２遮断器を収納する第２遮断器コンパートメントと、前記第１遮断器コンパートメントの上方側に配置された第１制御機器コンパートメントと、前記第２遮断器コンパートメントの上方側に配置された第２制御機器コンパートメントと、前記第１遮断器コンパートメントに設けられた第１遮断器扉と、前記第２遮断器コンパートメントに設けられた第２遮断器扉と、前記第１制御機器コンパートメントに設けられた第１制御機器扉と、前記第２制御機器コンパートメントに設けられた第２制御機器扉とを有するスイッチギヤであって、下段側の前記第２制御機器扉に配置された前記第１制御機器コンパートメントの制御機器を操作する第１制御機器操作パネルと、下段側の前記第２制御機器扉に前記第１制御機器操作パネルととともに配置された前記第２制御機器コンパートメントの制御機器を操作する第２制御機器操作パネルと、上段側の前記第１制御機器操作パネルを目視により確認可能な第１識別表示体と、下段側の前記第２制御機器操作パネルを目視により確認可能な第２識別表示体とを備えたことを特徴とするスイッチギヤ。 A first circuit breaker compartment containing a first circuit breaker disposed on the upper side, a second circuit breaker compartment accommodating a second circuit breaker disposed on the lower side, and an upper side of the first circuit breaker compartment A first control device compartment disposed, a second control device compartment disposed on the upper side of the second circuit breaker compartment, a first circuit breaker door provided in the first circuit breaker compartment, the second A switch having a second circuit breaker door provided in a circuit breaker compartment, a first control device door provided in the first control device compartment, and a second control device door provided in the second control device compartment A first gear for operating the control device of the first control device compartment disposed in the second control device door on the lower side, which is a gear A device control panel, a second control device control panel for operating a control device of the second control device compartment disposed along with the first control device control panel on the second control device door on the lower side, and an upper side A first identification display body capable of visually confirming the first control device operation panel, and a second identification display body capable of visually confirming the second control device operation panel on the lower side Switch gear.
  10. 　前記第１制御機器操作パネルと前記第２制御機器操作パネルとは水平方向に対し同じ高さ位置に配置されたことを特徴とする請求項８または請求項９に記載のスイッチギヤ。 The switchgear according to claim 8 or 9, wherein the first control device operation panel and the second control device operation panel are arranged at the same height position in the horizontal direction.
  11. 　前記第１制御機器操作パネルと前記第２制御機器操作パネルとは水平方向に対し相違する高さ位置に配置されたことを特徴とする請求項８または請求項９に記載のスイッチギヤ。 The switchgear according to claim 8 or 9, wherein the first control device operation panel and the second control device operation panel are disposed at different height positions in the horizontal direction.
  12. 　前記第１識別表示体は前記第１制御機器操作パネルから上段側に向けて配線された配線模擬表示からなり、前記第２識別表示体は前記第２制御機器操作パネルから下段側に向けて配線された配線模擬表示からなることを特徴とする請求項９に記載のスイッチギヤ。 The first identification display body comprises a wiring simulation display wired from the first control device operation panel to the upper side, and the second identification display body is wired from the second control device operation panel to the lower side 10. The switchgear according to claim 9, wherein the switchgear comprises a simulated wiring display.
  13. 　前記第１識別表示体は前記第１制御機器操作パネルの周囲を囲繞し矢視が上段側に向いた矢印表示からなり、前記第２識別表示体は前記第２制御機器操作パネルの周囲を囲繞し矢視が下段側に向いた矢印表示からなることを特徴とする請求項９に記載のスイッチギヤ。 The first identification display body is an arrow display that surrounds the periphery of the first control device operation panel and the arrow is directed to the upper side, and the second identification display body surrounds the periphery of the second control device operation panel. The switchgear according to claim 9, characterized in that the arrow display is an arrow display directed to the lower side.
  14. 　前記第１識別表示体は前記第１制御機器操作パネルの近傍に位置し矢視が上段側に向いた矢印表示からなり、前記第２識別表示体は前記第２制御機器操作パネルの近傍に位置し矢視が下段側に向いた矢印表示からなることを特徴とする請求項９に記載のスイッチギヤ。 The first identification display body is located in the vicinity of the first control device operation panel, and the arrow display is directed upward, and the second identification display body is located in the vicinity of the second control device operation panel The switchgear according to claim 9, characterized in that the arrow display is an arrow display directed to the lower side.
  15. 　前記第１識別表示体は前記第１制御機器操作パネルの左側に位置し矢視が上段側に向いた矢印表示からなり、前記第２識別表示体は前記第２制御機器操作パネルの右側に位置し矢視が下段側に向いた矢印表示からなることを特徴とする請求項１４に記載のスイッチギヤ。 The first identification display body is located on the left side of the first control device operation panel, and the arrow display is directed upward, and the second identification display body is located on the right side of the second control device operation panel The switchgear according to claim 14, characterized in that the arrow display is an arrow display directed to the lower side.
PCT/JP2017/046155 2017-12-22 2017-12-22 Switchgear WO2019123641A1 (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5342132U (en) * 1976-09-16 1978-04-11
JPS5374254A (en) * 1977-09-22 1978-07-01 Toshiba Corp Enclosed switchboard
JPH10136519A (en) * 1996-11-01 1998-05-22 Toshiba Corp Transformation facility
JP2002135919A (en) * 2000-10-27 2002-05-10 Taito Kogyo Kk Switchgear
JP2002209312A (en) * 2000-12-01 2002-07-26 Lg Industrial Syst Co Ltd Air circuit breaker
JP2016178753A (en) * 2015-03-19 2016-10-06 三機工業株式会社 Switch changeover confirmation jig

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004242467A (en) * 2003-02-07 2004-08-26 Yaskawa Electric Corp Switchboard

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5342132U (en) * 1976-09-16 1978-04-11
JPS5374254A (en) * 1977-09-22 1978-07-01 Toshiba Corp Enclosed switchboard
JPH10136519A (en) * 1996-11-01 1998-05-22 Toshiba Corp Transformation facility
JP2002135919A (en) * 2000-10-27 2002-05-10 Taito Kogyo Kk Switchgear
JP2002209312A (en) * 2000-12-01 2002-07-26 Lg Industrial Syst Co Ltd Air circuit breaker
JP2016178753A (en) * 2015-03-19 2016-10-06 三機工業株式会社 Switch changeover confirmation jig

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