CN105359361B - Gas-insulated switchgear device - Google Patents
Gas-insulated switchgear device Download PDFInfo
- Publication number
- CN105359361B CN105359361B CN201380077928.3A CN201380077928A CN105359361B CN 105359361 B CN105359361 B CN 105359361B CN 201380077928 A CN201380077928 A CN 201380077928A CN 105359361 B CN105359361 B CN 105359361B
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- China
- Prior art keywords
- wallboard
- gas
- end plate
- sidepiece
- casing
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/045—Details of casing, e.g. gas tightness
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0352—Gas-insulated switchgear for three phase switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0354—Gas-insulated switchgear comprising a vacuum switch
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
With storing cutter and being sealed with the gas-insulated switchgear device of the 1st casing of insulating properties gas, the 1st casing includes：Top wallboard；The bottom wallboard relative with the top wallboard；A pair of sidepiece wallboards, a pair of sidepiece wallboards are respectively arranged between the top wallboard and the bottom wallboard, are formed as bending to arc-shaped in the horizontal direction and above-below direction of fore-and-aft direction；Anterior end plate, the anterior end plate seals the front side of the framework formed by the top wallboard, the bottom wallboard and the pair of sidepiece wallboard；And rear portion end plate, the rear portion end plate seals the rear side of the framework formed by the top wallboard, the bottom wallboard and the pair of sidepiece wallboard.
Description
Technical field
The present invention relates to switchgear cutter equipped with insulating properties gas and storing such as internally enclosing
Cutter casing gas-insulated switchgear device, more particularly to cutter casing side wall construction.
Background technology
As existing gas-insulated switchgear device, such as patent document 1 (opens clear 60- with reference to Japan Patent in fact
No. 113612 publications) shown in, internally enclose insulating properties gas and store and be configured with cutter, the electricity such as breaker, arrester
The container of device equipment is formed as rectangular-shaped by using the flat board of waveform shape, and waveform shape is processed by stamping grade
Obtain, main circuit charging part side and the over the ground insulation distance between side are ensured by being formed as waveform shape.
As other gas-insulated switchgear devices, such as if patent document 2 is (with reference to Japanese Patent Laid-Open 8-191515
Number publication) shown in, for the structure of patent document 1, two side walls of container are formed as to the horizontal direction court relative to container
Arc-shaped obtained from raised laterally, without stamping operation for forming waveform shape etc., realizes and adds
The reduction of expenses of labour.Also, it is again formed as the arc-shaped that central portion is protruded upward in the top wall of container.
Also, as other gas-insulated switchgear devices, such as if patent document 3 is (with reference to Japanese Patent Laid-Open 2002-
No. 260501 publications) shown in, the depth direction rear and front end side positioned at the container side wall as container each flange side it is attached
Near-end point forms kink, and for the distance between two lateral walls, be configured at least side wall length direction center
Region makes the interval (width) of two side become big.
Prior art literature
Patent document
Patent document 1：Japan Patent opens clear 60-113612 publications (Figure 1A, Fig. 2A) in fact
Patent document 2：Japanese Patent Laid-Open 8-191515 (Fig. 1, Fig. 3)
Patent document 3：Japanese Patent Laid-Open 2002-260501 (Fig. 1, Fig. 2)
The content of the invention
The technical problems to be solved by the invention
In gas-insulated switchgear device described in above-mentioned existing patent document 1, because container forms waveform shape, from
And ensure the main circuit charging part side apparatus inside cutter, breaker, arrester etc. and over the ground between side over the ground between insulate
Distance, but need more enhancing component for improving the intensity as gas sealed container, so that in the presence of not being suitable for gas
The minimizing of body insulated switch, light-weighted problem.
In gas-insulated switchgear device described in patent document 2, the two side of container is formed as the water relative to container
Square to arc-shaped obtained from raised laterally, and the circle that central portion is protruded upward is also formed in the top wall of container
Arcuation, therefore in the case of constituting, there are following problems, i.e., being laminated multiple casings along the vertical direction：Due to there is container
Top wall central portion protuberance, to carry out the such stacking of reduction height more difficult.Also, not to container
The end of the above-below direction of two side carries out being laminated multiple casings along the vertical direction and to both in the case of the processing of arc-shaped
Between when being fastened, because the above-below direction end of two wallboards does not have circular-arc part, so as to need fastening part being set to horizontal stroke
Fastened to stretching out with the laminated section in above-below direction, thus there is the size of gas-insulated switchgear device in the direction of the width
The problem of becoming big.
In gas-insulated switchgear device described in patent document 3, in the depth side positioned at the container side wall as container
The neighbouring part of each flange side of two sides forms kink forwards, backwards, but the end of the above-below direction of container side wall is not being entered
Multiple casings are laminated along the vertical direction and during to fastening between the two, in the case of row bending due to the above-below direction of two wallboards
End does not have kink, so that need to be set to fastening part to be fastened with the laminated section in above-below direction to crossing out,
Thus exist gas-insulated switchgear device in the direction of the width the problem of becoming large-sized.
The present invention completes to solve the above problems, it is intended that by the way that the both sides wallboard of casing is existed
Be formed as arc-shaped in horizontal direction and above-below direction before and after casing, to provide lightweight and compact gas-insulated switch dress
Put.
Solve the technological means that technical problem is used
Gas-insulated switchgear device involved in the present invention has the 1st case stored cutter and be sealed with insulating properties gas
Body, the 1st casing includes：Top wallboard；The bottom wallboard relative with the top wallboard；A pair of sidepiece wallboards, this is a pair
Sidepiece wallboard is respectively arranged between the top wallboard and the bottom wallboard, be formed as fore-and-aft direction horizontal direction and
Arc-shaped is bent on above-below direction；Anterior end plate, the anterior end plate is sealed by the top wallboard, the bottom wallboard and institute
State the front side for the framework that a pair of sidepiece wallboards are formed；And rear portion end plate, the rear portion end plate seal by the top wallboard,
The rear side for the framework that the bottom wallboard and the pair of sidepiece wallboard are formed, the lower section of the pair of sidepiece wallboard
Laterally make the side displacement of narrower intervals of the pair of sidepiece wallboard so as to form the concavity extended in the longitudinal direction, and
And provided with the elongated portion extended downwards, the bottom wallboard is engaged with the elongated portion of the sidepiece wallboard.
In addition, gas-insulated switchgear device involved in the present invention has storage cutter and is sealed with insulating properties gas
1st casing, the 1st casing is configured to include：Top wallboard；The bottom wallboard relative with the top wallboard；One counter-lateral quadrents
Wallboard, a pair of sidepiece wallboards are respectively arranged between the top wallboard and the bottom wallboard, are formed as in fore-and-aft direction
Horizontal direction and above-below direction on bend to arc-shaped；Anterior end plate, the anterior end plate is sealed by the top wallboard, described
The front side for the framework that bottom wallboard and the pair of sidepiece wallboard are formed；And rear portion end plate, the rear portion end plate seal by
The rear side for the framework that the top wallboard, the bottom wallboard and the pair of sidepiece wallboard are formed, it is the pair of
The lower section of sidepiece wallboard laterally makes the side of the narrower intervals of the pair of sidepiece wallboard shift to be formed in the longitudinal direction
The concavity of extension, and provided with the elongated portion extended downwards, the elongation of the bottom wallboard and the sidepiece wallboard
Portion is engaged, and the gas-insulated switchgear device also includes being positioned over the upper side of the 1st casing and is configured with bus wire portion etc.
2nd casing.
Invention effect
According to gas-insulated switchgear device involved in the present invention, by by the both sides wallboard of casing before and after casing
Be formed as arc-shaped on horizontal direction and above-below direction, so as to obtain lightweight and compact gas-insulated switchgear device.
Brief description of the drawings
Fig. 1 is the side sectional view for representing the gas-insulated switchgear device involved by embodiments of the present invention 1.
Fig. 2 is cuing open at the line A-A for the Fig. 1 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
View.
Fig. 3 is cuing open at the line B-B for the Fig. 2 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
View.
Fig. 4 is the solid for representing the 1st casing in the gas-insulated switchgear device involved by embodiments of the present invention 1
Figure.
Fig. 5 is cuing open at the line C-C for the Fig. 4 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
View.
From Fig. 6 is the D directions from Fig. 4 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
The front view arrived.
Fig. 7 is the right side view for the Fig. 6 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1.
From Fig. 8 is the E directions from Fig. 4 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
The front view arrived.
Fig. 9 is the right side view for the Fig. 8 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1.
From Figure 10 is the F directions from Fig. 4 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
The front view of the side wall arrived.
Figure 11 is the right side view for the Figure 10 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1.
Figure 12 is the ground plan for the Figure 10 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1.
Figure 13 is at the G-G lines for the Figure 10 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
Sectional view.
Figure 14 is at the H-H lines for the Figure 10 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
Sectional view.
Figure 15 is the stereogram for representing the side wall in the gas-insulated switchgear device involved by embodiments of the present invention 1.
Figure 16 is cuing open at the J-J lines for the Fig. 1 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
View.
Figure 17 is the side view for representing the 1st casing in the gas-insulated switchgear device involved by embodiments of the present invention 1
Figure.
Figure 18 is at the K-K lines for the Figure 17 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
Sectional view.
Figure 19 is the side view for representing the 2nd casing in the gas-insulated switchgear device involved by embodiments of the present invention 1
Figure.
Figure 20 is at the L-L lines for the Figure 19 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
Sectional view.
Figure 21 is cuing open at the M-M lines for the Fig. 3 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
View.
Figure 22 is cuing open at the N-N lines for the Fig. 3 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
View.
Figure 23 is cuing open at the P-P lines for the Fig. 3 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
View.
Embodiment
Embodiment 1.
Below, illustrated based on Fig. 1~Figure 23 in embodiments of the present invention, but each figure, to same or equivalent component, position
Identical label is marked to illustrate.Fig. 1 is the side for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
Face sectional view.Fig. 2 is cuing open at the line A-A for the Fig. 1 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
View.Fig. 3 is the section view at the line B-B for the Fig. 2 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
Figure.Fig. 4 is the stereogram for representing the 1st casing in the gas-insulated switchgear device involved by embodiments of the present invention 1.Fig. 5
It is the sectional view at the line C-C for the Fig. 4 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1.Fig. 6 is table
Show the front view observed from Fig. 4 D directions of the gas-insulated switchgear device involved by embodiments of the present invention 1.Fig. 7 is
Fig. 6 of gas-insulated switchgear device involved by expression embodiments of the present invention 1 right side view.Fig. 8 is to represent the present invention
Embodiment 1 involved by gas-insulated switchgear device the front view observed from Fig. 4 E directions.Fig. 9 is to represent this hair
Fig. 8 of gas-insulated switchgear device involved by bright embodiment 1 right side view.Figure 10 is the embodiment party for representing the present invention
The front view of the side wall observed from Fig. 4 F directions of gas-insulated switchgear device involved by formula 1.Figure 11 is to represent this hair
Figure 10 of gas-insulated switchgear device involved by bright embodiment 1 right side view.Figure 12 is the implementation for representing the present invention
Figure 10 of gas-insulated switchgear device involved by mode 1 ground plan.Figure 13 is represented involved by embodiments of the present invention 1
Gas-insulated switchgear device Figure 10 G-G lines at sectional view.Figure 14 is represented involved by embodiments of the present invention 1
Sectional view at Figure 10 of gas-insulated switchgear device H-H lines.Figure 15 is to represent the gas involved by embodiments of the present invention 1
The stereogram of side wall in body insulated switch.Figure 16 is to represent that the gas-insulated involved by embodiments of the present invention 1 is opened
Sectional view at the J-J lines for the Fig. 1 for closing device.Figure 17 is to represent the gas-insulated switch involved by embodiments of the present invention 1
The side view of the 1st casing in device.Figure 18 is to represent the gas-insulated switchgear device involved by embodiments of the present invention 1
Sectional view at Figure 17 K-K lines.Figure 19 is represented in the gas-insulated switchgear device involved by embodiments of the present invention 1
The side view of 2nd casing.Figure 20 is the L- for the Figure 19 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
Sectional view at L lines.Figure 21 is the M-M lines for the Fig. 3 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
The sectional view at place.Figure 22 is at the N-N lines for the Fig. 3 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
Sectional view.Figure 23 is at the P-P lines for the Fig. 3 for representing the gas-insulated switchgear device involved by embodiments of the present invention 1
Sectional view.
In Fig. 1,1 is internally to enclose insulating properties gas (SF6Gas, N2Gas, CO2Gas, dry gas etc.) and constitute
It is the quadrangle for the preceding surface hole portion for sealing the 1st casing 1 for the 1st casing that is with air-tightness and being configured at lower side, 2
The installing plate of shape, 3 are mounted to the vacuum cutter of installing plate 2, and it is configured at the 1st casing 1.4 be to clip installing plate 2 to be arranged on
The operating mechanism of the vacuum cutter 3 of the opposite side of vacuum cutter 3,5 be to be installed on installing plate in the same manner as vacuum cutter 3
2 the 1st breaker and grounding opening-closing device with " connection-disconnection-ground connection " each function, it is configured at the 1st casing 1.6 be folder
1st breaker and the operation machine of grounding opening-closing device 5 of the installing plate 2 installed in the 1st breaker and the opposite side of grounding opening-closing device 5
Structure.Installing plate 2 is installed in the way of the front-surface side opening portion that installing plate 2 seals the 1st casing 1, so that with airtight shape
The breaker of vacuum cutter 3 and the 1st and grounding opening-closing device 5 are maintained in the 1st casing 1 by state.
7 be the cable connection sleeve pipe of cable connection, hermetic to run through in rear direction after the 1st casing 1
The portion's end plate 46 and mode protruded from connecting portion is installed on the rear portion end plate 46 of the 1st casing 1.8 are mounted to cable connection set
The connector of one end of pipe 7,9 are mounted to the connector of a terminal of the 1st breaker and grounding opening-closing device 5, and 10 be to even
The main circuit conductor being attached between device 8 and connector 9 is connect, 11 be to a terminal of vacuum cutter 3 and the 1st breaker
And the main circuit conductor being attached between another terminal of grounding opening-closing device 5,12 be arrester, and its one end is via connector
13 are connected conductor 14 with the arrester being branched off from main circuit conductor 10 is connected.15 be to carry out ground connection operation to arrester 12
Operating mechanism, make its other end with arrester 12 by the way that left and right directions of the earth conductor 16 into Fig. 1 is driven
It is in contact or separates, operating condition is set to by making earth conductor 16 be connected arrester 12 with arrester 12, and in cable
During the disruptive test of side, make earth conductor 16 separate with the other end of arrester 12 to prevent the damage of arrester 12.
17 be the upper side for overlaying the 1st casing 1, and internal inclosure insulating properties gas (SF6Gas, N2Gas, CO2Gas
Body, dry air etc.) it is configured to the 2nd casing with air-tightness and positioned at upper side, 18 seal before the 2nd casing 17
The installing plate of the quadrilateral shape of surface hole portion, 19 are mounted to installing plate 18 and with " connection-disconnection-ground connection " each function
The 2nd breaker and grounding opening-closing device, 20 be to clip installing plate 18 installed in the opposite side of the 2nd breaker and grounding opening-closing device 19
The 2nd breaker and grounding opening-closing device operating mechanism, 21 be to be installed on institute in the same manner as the 2nd breaker and grounding opening-closing device 19
Installing plate 18 and the 3rd breaker and grounding opening-closing device with " connection-disconnection-ground connection " each function are stated, 22 be to clip installation
Plate 18 is arranged on the 3rd breaker and the operating mechanism of grounding opening-closing device 21 of the opposite side of the 3rd breaker and grounding opening-closing device 21.
Installing plate 18 is installed in the way of the front-surface side opening portion that installing plate 18 seals the 2nd casing 17, so that with airtight shape
2nd breaker and the breaker of grounding opening-closing device 19 and the 3rd and grounding opening-closing device 21 are maintained in the 2nd casing 17 by state.
23 be the 1st bus corresponding to three-phase in the horizontally extending configuration in top of the 2nd casing 17, and 24 be to be used for
The 1st busbar branches connector for being branched off and introducing in the 2nd casing 17 from the 1st bus 23,25 be at the rear portion of the 2nd casing 17
The 2nd bus corresponding to three-phase of horizontally extending configuration, 26 be to be used to the 2nd is branched off and introduced from the 2nd bus 25
The 2nd busbar branches connector in casing 17.
27 be the 1st bus-bar connecting sleeve, and its one end hermetic up runs through the top plate of the 2nd casing 17, and with it is the 1st female
Line bifurcation connector 24 is connected.28 be the 2nd bus-bar connecting sleeve, and its one end is hermetic at rear portion through the 2nd casing 17
Rear board, and be connected with the 2nd busbar branches connector 26.
29 be the other end and the 3rd breaker and grounding opening-closing device 21 via 30 pair of the 1st bus-bar connecting sleeve 27 of connector
The main circuit conductor that is attached of a terminal, 31 be to the 3rd breaker and another terminal of grounding opening-closing device 21 and the 2nd
The connection conductor that one terminal of breaker and grounding opening-closing device 19 is attached, 32 be another with the 2nd bus-bar connecting sleeve 28
The main circuit conductor that one end is connected, 33 be to the 2nd breaker of connection and a terminal of grounding opening-closing device 19 and the 3rd breaker
And the main circuit conductor being attached between connection conductor 31 and the main circuit conductor 32 of another terminal of grounding opening-closing device 21.
Another terminal of 2nd breaker and grounding opening-closing device 19 is via insulating spacer 35 and another terminal of vacuum cutter 3
It is connected, the insulating spacer 35 is configured between connector 34, the 1st casing 1 and the 2nd casing 17.
36 be the outer of the profile of surrounding the periphery of the 1st casing 1 and the 2nd casing 17 so as to constitute gas-insulated switchgear device
Case, using the left side in Fig. 1 as front, and possesses the door 37 that can be switched.
38 be the cable from the top introducing of gas-insulated switchgear device, is possessed in front end and the phase of cable connection sleeve pipe 7
The end 39 of connection.40 are disposed on the top of outer container 36 and the CT configured in the way of running through inside it and have cable 38
(current transformer), is detected to the electric current for flowing through cable 38.
Fig. 2 is the sectional view at Fig. 1 line A-A.In Fig. 2,17a and 17b are the side walls of the 2nd casing 17, and 41 be composition
The top wallboard at the top of 1 casing 1, is configured to plane.42 be constitute the 1st casing 1 bottom substantially be in U-shaped lower part wall
Plate, the bottom wallboard is configured in the way of for example protruding arc-shaped downward, and 43,44 be the sidepiece of the both sides of the 1st casing 1
Wallboard, is to be formed as arc-shaped in the Y-direction of X-direction and above-below direction in the horizontal direction of fore-and-aft direction.Sidepiece wallboard 43,
44 rear ends 43a, 44a, 43b, 44b are formed as the shape gathered to inner side, and the upper and lower end parts of sidepiece wallboard 43,44
43c, 44c, 43d, 44d are formed as the shape gathered to inner side.As an example in figure, provided with elongated portion 46e, 44e, this is stretched
Long portion 46e, 44e extend downwards from end 43d, 44d of the lower side of sidepiece wallboard 43,44.47 be the bottom of the 2nd casing 17
Wall, 48 be the insertion main circuit conductor for running through insulating spacer 35 in above-below direction.
Fig. 3 is the sectional view at Fig. 2 line B-B.In Fig. 3,45 are mounted to the front end face of the 1st casing 1 and hermetic
Seal the anterior end plate of the leading section of the 1st casing 1.46 are mounted to the rear end face of the 1st casing 1 and hermetic seal the 1st case
The rear portion end plate of the rearward end of body 1.Anterior end plate 45 and rear portion end plate 46 be set to its both sides and bottom than sidepiece wallboard 43,44,
Bottom wallboard 42 is more to the outside size for stretching out this degree.To be clipped in top wallboard 41 and the 2nd casing 17 of the 1st casing 1
Possess upper in Fig. 2 between lower part wall 47 and as the insulating spacer 35 that is configured of mode of a part for tight wall
The insertion main circuit conductor 48 in lower direction.51 and 52 be the enhancing bone for configuring and being fastened on the top wallboard 41 of the 1st casing 1
Frame.62 be the supporting of the lower part wall 47 for the 2nd casing 17 for configuring and being fixed on the upper side that the upper side of the 1st casing 1 is stacked
Skeleton, the support framework is abutted against by the top wallboard 41 with the 1st casing 1, so as to the 2nd together with enhancing skeleton 51,52
Casing 17 is supported.
Fig. 4 is to represent the lower side of the gas-insulated switchgear device involved by embodiments of the present invention 1 is configured the 1st
The stereogram of casing 1.In Fig. 4,41 be flat top wallboard, and 42 be bottom wallboard, and 43 and 44 are sidepiece wallboards, before 45 are
Portion's end plate, 46 be rear portion end plate.49 are entered around the elliptoid opening formed on the top wallboard 41 to the 1st casing 1
The enhanced flange of row, and equally spaced it is configured with the screwed hole 50 that insulating spacer 35 is fixed.
Fig. 5 is the sectional view at Fig. 4 line C-C.In Fig. 5, sidepiece wallboard 43 (not shown) and sidepiece wallboard 44 for example its
Central portion is configured at the position roughly the same with the end on the width of anterior end plate 45 and rear portion end plate 46, sidepiece wallboard
The both ends of 43 (not shown) and sidepiece wallboard 44 with from the end on the width of anterior end plate 45 and rear portion end plate 46 to
Inner side direction displacement d mode is formed as from the central portion of sidepiece wallboard 43 (not shown) and sidepiece wallboard 44 towards both ends
Arc-shaped.
That is, it is most outside in the central portion of the 1st casing 1 in the central portion of sidepiece wallboard 43 (not shown) and sidepiece wallboard 44
The size that direction is protruded is roughly the same with the size on the Breadth Maximum direction of anterior end plate 45 and rear portion end plate 46 or will than it
It is small, and anterior end plate 45 and rear portion end plate 46 and sidepiece wallboard 43 (not shown) and the position at the junction surface of sidepiece wallboard 44 will be made
Put from the end on the width of anterior end plate 45 and rear portion end plate 46 to inward side to the displacement size for shifting into arc-shaped
It is set to d.As shown in figure 5, by making the Breadth Maximum of anterior end plate 45 and rear portion end plate 46 be located at than anterior end plate 45 and rear portion
The position at the junction surface of end plate 46 and sidepiece wallboard 43 (not shown) and sidepiece wallboard 44 more outward direction, so that using
The casing fastening of bolt becomes easy.
Fig. 6 is the front view observed from Fig. 4 D directions, and Fig. 7 is Fig. 6 right side view.In above-mentioned each figure, 53 are
The flange plate of the window-like of installing plate 2 is installed, 54 be to connect to merging with the lower side rear portion of flange plate 53 to extending downwards, and under ratio
The pedal that portion's wallboard 42 is protruded more to the lower side, 55 be the fastening hole for installing plate 2 to be installed on to flange plate 5, and 56 be to use
In the handle hole of operation arrester 12.Anterior end plate 45 is constituted using above-mentioned component.
Fig. 8 is the front view observed from Fig. 4 E directions, and Fig. 9 is Fig. 8 right side view.In above-mentioned each figure, 57 are
The rear seben of the rear end side of the 1st casing 1 is sealed, 58 be to connect to merging with the lower side rear portion of rear seben 57 to extending downwards, and
The pedal protruded more to the lower side than bottom wallboard 42,59 be the hole for connection cable 38.Rear portion is constituted using above-mentioned component
End plate 46.
Figure 10 is the front view of sidepiece wallboard 44 for representing to observe from Fig. 4 F directions, and the right side that Figure 11 is Figure 10 is regarded
Figure, Figure 12 is Figure 10 ground plan, and Figure 13 is the sectional view at Figure 10 G-G lines, and Figure 14 is the section view at Figure 10 H-H lines
Figure, Figure 15 is the stereogram for representing sidepiece wallboard 44.As shown in Figure 10, sidepiece wallboard 43 (not shown) and sidepiece wallboard 44 have
The line symmetrical shape symmetrical relative to the above-below direction axle of the pars intermedia of the fore-and-aft direction of the 1st casing 1.Thus, make
To be configured at the structure of the sidepiece wallboard of the sidepiece wallboard 44 on right side and the sidepiece wallboard 43 in left side in Fig. 2, one kind can be shared
Part.Therefore, manufacture sidepiece wallboard 43 and diel during sidepiece wallboard 44 can use it is same, so as to the system of cutting down
Cause this.
In Figure 10, right lower quadrant and lower left quarter on figure are respectively formed with only with otch obtained from size e and size f cuttings
Portion 44f, 44g.That is, formed and passed through respectively with size e and size f counter-lateral quadrentses wallboard 43 and sidepiece wallboard 44 right lower quadrant and lower-left
Notch 44f, 44g obtained from portion is cut, and it is configured so that the fore-and-aft direction of bottom wallboard 42 is shorter in length than
The length of the fore-and-aft direction of sidepiece wallboard 43 and sidepiece wallboard 44, the position of the lower side of anterior end plate 45 and rear portion end plate 46
The position of lower side is located at than anterior end plate 45 and rear portion end plate 46 more in the inner part, the volume thus, it is possible to reduce the 1st casing 1.
As shown in figure 13, by making the maximum of sidepiece wallboard 43 and sidepiece wallboard 44 from the top wallboard 41 of the 1st casing 1 wide
Degree is to inward side to size g is only shifted, so that above and below the central portion direction of sidepiece wallboard 43 (not shown) and sidepiece wallboard 44
Direction end is formed as arc-shaped.In Figure 15, will as formed by thin plate by bending ram sidepiece wallboard 44 in the 1st casing 1
The horizontal direction of fore-and-aft direction be to be formed as end 44a, 44b in X-direction than anterior end plate 45 and rear portion end plate 46 most
The arc-shaped in big width direction more in the inner part, and be that these ends are again formed as in Y direction in the above-below direction of the 1st casing 1
The arc-shaped of portion 44c, 44d than the Breadth Maximum direction more in the inner part of top wallboard 41.Also, it is provided with from the end of sidepiece wallboard 44
The elongated portion 44e that portion 44d extends downwards.In addition, sidepiece wallboard 44 is also configured to and the identical shape of sidepiece wallboard 44.
Figure 16 is the sectional view at Fig. 1 J-J lines.Following states are shown in the Figure 16：The section shape of bottom wallboard 42
As U-shaped, two wall top 42a, 42b of its underpart wallboard 42 are erected upward, and with sidepiece wallboard 43 and sidepiece wallboard 44
Elongated portion 43e, 44e engage, elongated portion 43e, 44e from top with arc-shaped to towards center direction reduced width and to
Lower side extends.As shown in Figure 16, these junction surfaces are configured to inner side depression to the 1st casing 1 and from the front portion of the 1st casing 1
The concavity 60,61 at rear portion is extended to, these concavities 60,61 play the effect for the intensity for improving the 1st casing 1.
Figure 17 is the side view for representing 1st casing 1 corresponding with Fig. 3, and Figure 18 is the sectional view at Figure 17 K-K lines.
The top wallboard 41 of 1st casing 1 is provided with insulating spacer 35, and possesses the insertion for running through insulating spacer 35 in the vertical direction
Main circuit conductor 48.Enhancing skeleton 51,52 is connected with the top wallboard 41 of the 1st casing 1.Sidepiece wallboard 43 and sidepiece wallboard 44
The 1st casing 1 above-below direction be upper side in Y direction end 43c, 44c than top wallboard 41 Breadth Maximum more
Direction is so as to be formed as arc-shaped in the inner part.That is, by making the Breadth Maximum of top wallboard 41 be located at than top wallboard 41 and side
The position at the junction surface of portion's wallboard 43 and sidepiece wallboard 44 more outward direction, thereby using bolt easily by the 1st casing 1 and the 2nd
Casing 17 is fastened.
Figure 19 is the side view for representing 2nd casing corresponding with Fig. 3, and Figure 20 is the sectional view at Figure 19 L-L lines.The
The lower part wall 47 of 2 casings 17 is provided with support framework 62, by making the top wallboard 41 of the support framework 62 and the 1st casing 1 offset
Fetch and the 2nd casing 17 is supported, the support framework 62 and the increasing for configuring and being fixed on the top wallboard 41 of the 1st casing 1
Strong skeleton 51,52 is supported to the 2nd casing 17 together.
Figure 21 is the sectional view at Fig. 3 M-M lines.The sidepiece 41a of the top wallboard 41 of 1st casing 1 is located at than side wall
The upper side of plate 43,44 by end 43c, 44c formed by medial displacement into arc-shaped more outward direction, the 2nd casing
The sidepiece 47a of 17 lower part wall 47 is located at side wall 17a, 17b more outward direction, the lower part wall of the 2nd casing 17 than the 2nd casing 17
47 support frameworks 62 being provided with also extend to the sidepiece 41a and the lower part wall of the 2nd casing 17 of the top wallboard 41 of the 1st casing 1
Untill 47 sidepiece 47a.For example, by being sandwiched between the sidepiece 41a of the top wallboard 41 of the casing 1 of support framework 62 and the 1st
Distance piece 63, bolt 65 is screwed into the screwed hole 64 for being formed at support framework 62, is thus come securely to the 1st casing 1 and the 2nd case
Body 17 is fastened each other.
Figure 22 is the sectional view at Fig. 3 N-N lines.The sidepiece 41a of the top wallboard 41 of 1st casing 1 is located at than side wall
The upper side of plate 43,44 by end 43c, 44c formed by medial displacement into arc-shaped more outward direction, the 2nd casing
The sidepiece 47a of 17 lower part wall 47 is located at side wall 17a, 17b more outward direction, the top wall of the 1st casing 1 than the 2nd casing 17
The enhancing skeleton 52 that plate 41 is provided with also extends to sidepiece 41a and the bottom of the 2nd casing 17 of the top wallboard 41 of the 1st casing 1
Untill the sidepiece 47a of wall 47.For example, by being pressed from both sides between the sidepiece 41a of the top wallboard 41 of the enhancing casing 1 of skeleton 52 and the 1st
Enter distance piece 66, bolt 68 is screwed into the screwed hole 67 for being formed at enhancing skeleton 52, thus come securely to the 1st casing 1 and the 2nd
Casing 17 is fastened each other.
Figure 23 is the sectional view at Fig. 3 P-P lines.The sidepiece 41a of the top wallboard 41 of 1st casing 1 is located at than side wall
The upper side of plate 43,44 by end 43c, 44c formed by medial displacement into arc-shaped more outward direction, the 2nd casing
The sidepiece 47a of 17 lower part wall 47 is located at side wall 17a, 17b more outward direction than the 2nd casing 17, upper than the 1st casing 1
End 43c, 44c of portion's wallboard 41 more in the inner part direction position be provided with bolt incorporating section 69a flange 69, than the 2nd
Side wall 17a, 17b of the lower part wall 47 of casing 17 more in the inner part direction position be provided with bolt incorporating section 70a flange 70,
Sandwiched being arranged between the flange 69 of the bottom wallboard 47 of the casing 17 of top wallboard 41 and the 2nd of the 1st casing 1 and flange 70
Insulating spacer 35, screw thread is respectively formed with the part configuration positioned at bolt incorporating section 69a, 70a of insulating spacer 35
Insert 71,72, these inserts 71,72 are screwed into by bolt 73,74, thus top wallboard 41 securely to the 1st casing 1 and
The lower part wall 47 of 2nd casing 17 is fastened with insulating spacer 35.
As described above, sidepiece wallboard 43,44 is X-direction and above-below direction in the horizontal direction of fore-and-aft direction
Y-direction on be formed as arc-shaped, and the horizontal direction of the fore-and-aft direction in the 1st casing 1 is by these ends in X-direction
44a, 44b be formed as than anterior end plate 45 and rear portion end plate 46 Breadth Maximum more to inward side to arc-shaped, and the 1st
The above-below direction of casing 1 is that these ends 44c, 44d are formed as into more inside than the Breadth Maximum of top wallboard 41 in Y direction
Side to arc-shaped, thus constitute the 1st casing 1, open so as to obtain the big and compact gas-insulated of lightweight, intensity
Close device.
In addition, sidepiece wallboard 43,44 is shape in the Y-direction of X-direction and above-below direction in the horizontal direction of fore-and-aft direction
As arc-shaped, and the horizontal direction of the fore-and-aft direction in the 1st casing 1 is to form these ends 44a, 44b in X-direction
For the Breadth Maximum than anterior end plate 45 and rear portion end plate 46 more to inward side to arc-shaped, and in the 1st casing about 1
Direction be in Y direction by these ends 44c, 44d be formed as than top wallboard 41 Breadth Maximum more to inward side to circle
Arcuation, thus to constitute the 1st casing 1, and places the 2nd casing 17, so as to obtain intensity in the upper side of the 1st casing 1
Increase and the stepped construction of casing more compact gas-insulated switchgear device can be made.
By the sidepiece wallboard 43 for making to be formed as arc-shaped and the central portion i.e. top of arc-shaped of sidepiece wallboard 44 with before
Size on the Breadth Maximum direction of portion's end plate 45 and rear portion end plate 46 is roughly the same or smaller than its, so as to match somebody with somebody transversely arranged
It can be configured more compact in the case of putting gas-insulated switchgear device.
Anterior end plate 45 by flange plate 53, engaged with the lower side rear portion of flange plate 53 and extend downwards and compare bottom
Pedal 54, fastening hole 55 and the handle hole 56 that wallboard 42 is protruded more to the lower side are constituted, and pedal 54 is configured to compare lower part wall
Plate 42 is protruded more to the lower side, and rear portion end plate 46 is engaged and downwards by rear seben 57, with the lower side rear portion of rear seben 57
Extend and more prominent pedal 58 and constituted for the hole 59 of connection cable 38, pedal 58 than bottom wallboard 42
It is configured to protrude more to the lower side than bottom wallboard 42, so that the pedal 54 and pedal 58 of anterior end plate 45 and rear portion end plate 46
It is configured to protrude more to the lower side than bottom wallboard 42, therefore, it is possible to utilize the pedal 54 of anterior end plate 45 and rear portion end plate 46
And pedal 58 makes the separate support of the 1st casing 1 and is fixed in the basal part of gas-insulated switchgear device, so as to simply structure
Into the structure of gas-insulated switchgear device.
In addition, by the way that bottom wallboard 42 is configured to protrude arc-shaped downwards, so as to by the 1st casing 1
Dust is pooled to the central lower of the 1st casing 1.Thus, between the sidepiece wallboard 43,44 of charging part both sides phase and the 1st casing 1 not
There is dust, so that space insulation distance between shortening over the ground, can reduce the width of the 1st casing 1, and due to only by making
Charging part interphase bottom in downward direction protrudes arc-shaped, so that the bottom of the 1st casing 1 collects dust, thus ensure that
Interphase over the ground between space insulation distance, and the width of the bottom of the 1st casing 1 can be reduced, therefore, it is possible to make the 1st case
Body 1 is minimized (appearance and size, volume).
The section of bottom wallboard 42 is formed as U-shaped, and two wall top 42a, 42b of its underpart wallboard 42 are erected upward,
And with from top width reduced with arc-shaped to center direction and the sidepiece wallboard 43 and sidepiece wallboard 44 that extend to the lower side
Elongated portion 43e, 44e engage, these junction surfaces are configured to the inner side depression to the 1st casing 1 and from the front portion of the 1st casing 1
The concavity 60,61 at rear portion is extended to, so that the intensity that can realize the 1st casing 1 using these concavities 60,61 is improved.
In addition, by making bottom wallboard 42 be formed as U-shaped, two wall tops of the U-shaped of bottom wallboard 42 can be made
42a, 42b are easily engaged with elongated portion 43e, 44e of sidepiece wallboard 43 and sidepiece wallboard 44, are thus readily formed concavity
60、61。
Pass through in addition, being formed respectively with size e and size f counter-lateral quadrentses wallboard 43 and sidepiece wallboard 44 right lower quadrant and lower-left
Notch 44f, 44g obtained from portion is cut, and it is configured so that the fore-and-aft direction of bottom wallboard 42 is shorter in length than
The length of the fore-and-aft direction of sidepiece wallboard 43 and sidepiece wallboard 44, the position of the lower side of anterior end plate 45 and rear portion end plate 46
The position of lower side is located at than anterior end plate 45 and rear portion end plate 46 more in the inner part, the volume thus, it is possible to reduce the 1st casing 1,
And it can realize that the intensity of the 1st casing 1 is improved, the setting area of the 1st casing 1 can be reduced.
Sidepiece wallboard 43 and sidepiece wallboard 44 have the above-below direction of the pars intermedia of the fore-and-aft direction relative to the 1st casing 1
The symmetrical shape of the symmetrical line of axle, so as to be used as the knot for the sidepiece wallboard for being configured at sidepiece wallboard 43 and sidepiece wallboard 44
Structure, can share a kind of part.Therefore, diel when manufacturing sidepiece wallboard 43 and sidepiece wallboard 44 can use same
Kind, identical component can be used for the sidepiece wallboard 43 and sidepiece wallboard 44 of the left and right sides, thereby, it is possible to cut down part kind
Class, can also cut down the species of the diel of part manufacture, and then can cut down manufacturing cost.
Width towards the 1st casing 1 on the top wallboard 41 of the 1st casing 1 is configured with enhancing skeleton 51,52, warp
Supported by enhancing skeleton 51,52 pair of the 2nd casing 17, therefore, be positioned over the lotus of the 2nd casing 17 of the upper side of the 1st casing 1
Beijing South Maxpower Technology Co. Ltd is enough easily transmitted via enhancing skeleton 51,52, and the 2nd casing 17 is supported, so that the layer of multiple casings
Stack structure becomes simple.
In addition, the present invention can be freely combined in the range of the invention to embodiment, or to embodiment
Carry out appropriate deformation, omit.
Industrial practicality
The present invention in the horizontal direction and above-below direction before and after casing by the both sides wallboard of casing by being formed as round
Arcuation, so as to be adapted for carrying out lightweight and compact gas-insulated switchgear device.
Claims (13)
1. a kind of gas-insulated switchgear device, the gas-insulated switchgear device has storage cutter and is sealed with insulating properties gas
The 1st casing, the gas-insulated switchgear device is characterised by,
1st casing includes：
Top wallboard；
Bottom wallboard, the bottom wallboard is relative with the top wallboard；
A pair of sidepiece wallboards, a pair of sidepiece wallboards are respectively arranged between the top wallboard and the bottom wallboard, are formed
To bend to arc-shaped in the horizontal direction and above-below direction of fore-and-aft direction；
Anterior end plate, the anterior end plate is sealed by the top wallboard, the bottom wallboard and the pair of sidepiece wallboard institute shape
Into framework front side；And
Rear portion end plate, the rear portion end plate is sealed by the top wallboard, the bottom wallboard and the pair of sidepiece wallboard institute shape
Into the framework rear side,
The lower section of the pair of sidepiece wallboard laterally makes the side of the narrower intervals of the pair of sidepiece wallboard shift to be formed
The concavity extended in the longitudinal direction, and provided with the elongated portion extended downwards, the bottom wallboard and the side wall
The elongated portion of plate is engaged,
The lower side of the anterior end plate and the lower side of the rear portion end plate are configured to than the bottom wallboard more to the lower side
It is prominent.
2. gas-insulated switchgear device as claimed in claim 1, it is characterised in that
It is configured at the top of the arc-shaped of the pair of sidepiece wallboard unlike the anterior end plate and the rear portion end plate
Width is protruded more laterally.
3. gas-insulated switchgear device as claimed in claim 1, it is characterised in that
The bottom wallboard is configured to protrude arc-shaped downwards.
4. gas-insulated switchgear device as claimed in claim 1, it is characterised in that
The bottom wallboard is configured to the substantially U-shaped that section is upper opening.
5. gas-insulated switchgear device as claimed in claim 1, it is characterised in that
The length of the fore-and-aft direction of the bottom wallboard is shorter than the length of the fore-and-aft direction of the pair of sidepiece wallboard, it is described before
The position of the lower side of the position of the lower side of portion's end plate and the rear portion end plate is located at than the anterior end plate and the rear portion
The position of end plate more in the inner part.
6. gas-insulated switchgear device as claimed in claim 1, it is characterised in that
The above-below direction axle that the pair of sidepiece wallboard is configured to the pars intermedia of the fore-and-aft direction relative to the 1st casing is in line pair
Claim.
7. a kind of gas-insulated switchgear device, the gas-insulated switchgear device has storage cutter and is sealed with insulating properties gas
The 1st casing, the gas-insulated switchgear device is characterised by,
1st casing is configured to include：
Top wallboard；
Bottom wallboard, the bottom wallboard is relative with the top wallboard；
A pair of sidepiece wallboards, a pair of sidepiece wallboards are respectively arranged between the top wallboard and the bottom wallboard, are formed
To bend to arc-shaped in the horizontal direction and above-below direction of fore-and-aft direction；
Anterior end plate, the anterior end plate is sealed by the top wallboard, the bottom wallboard and the pair of sidepiece wallboard institute shape
Into framework front side；And
Rear portion end plate, the rear portion end plate is sealed by the top wallboard, the bottom wallboard and the pair of sidepiece wallboard institute shape
Into the framework rear side,
The lower section of the pair of sidepiece wallboard laterally makes the side of the narrower intervals of the pair of sidepiece wallboard shift to be formed
The concavity extended in the longitudinal direction, and provided with the elongated portion extended downwards, the bottom wallboard and the side wall
The elongated portion of plate is engaged, and
The gas-insulated switchgear device also includes being positioned over the upper side of the 1st casing and is configured with the 2nd of bus wire portion etc.
Casing,
The lower side of the anterior end plate and the lower side of the rear portion end plate are configured to than the bottom wallboard more to the lower side
It is prominent.
8. gas-insulated switchgear device as claimed in claim 7, it is characterised in that
It is configured at the top of the arc-shaped of the pair of sidepiece wallboard unlike the anterior end plate and the rear portion end plate
Width is protruded more laterally.
9. gas-insulated switchgear device as claimed in claim 7, it is characterised in that
The bottom wallboard is configured to protrude arc-shaped downwards.
10. gas-insulated switchgear device as claimed in claim 7, it is characterised in that
The bottom wallboard is configured to the substantially U-shaped that section is upper opening.
11. gas-insulated switchgear device as claimed in claim 7, it is characterised in that
The length of the fore-and-aft direction of the bottom wallboard is shorter than the length of the fore-and-aft direction of the pair of sidepiece wallboard, it is described before
The position of the lower side of the position of the lower side of portion's end plate and the rear portion end plate is located at than the anterior end plate and the rear portion
The position of end plate more in the inner part.
12. gas-insulated switchgear device as claimed in claim 7, it is characterised in that
The above-below direction axle that the pair of sidepiece wallboard is configured to the pars intermedia of the fore-and-aft direction relative to the 1st casing is in line pair
Claim.
13. gas-insulated switchgear device as claimed in claim 7, it is characterised in that
Strengthen skeleton in the width configuration of the top of the top wallboard towards the 1st casing, via the enhancing bone
Frame is supported to the 2nd casing.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-161977 | 2013-08-05 | ||
| JP2013161977 | 2013-08-05 | ||
| PCT/JP2013/084609 WO2015019516A1 (en) | 2013-08-05 | 2013-12-25 | Gas-insulated switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105359361A CN105359361A (en) | 2016-02-24 |
| CN105359361B true CN105359361B (en) | 2017-09-29 |
Family
ID=52460881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380077928.3A Active CN105359361B (en) | 2013-08-05 | 2013-12-25 | Gas-insulated switchgear device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105359361B (en) |
| WO (1) | WO2015019516A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10325738B2 (en) * | 2017-10-10 | 2019-06-18 | Eaton Intelligent Power Limited | Gas-insulated switchgear with sealed operating mechanisms |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06327111A (en) * | 1993-05-14 | 1994-11-25 | Mitsubishi Electric Corp | Gas-insulated switch |
| TW279236B (en) * | 1995-01-10 | 1996-06-21 | Mitsubishi Electric Corp | Container for electrical apparatus |
| CN1213204A (en) * | 1997-09-30 | 1999-04-07 | 三菱电机株式会社 | Enclosed switch board and isolation parts casing pipe |
| CN1319925A (en) * | 2000-03-30 | 2001-10-31 | 寺崎电气产业株式会社 | Switch board and frame unit |
| JP2008160983A (en) * | 2006-12-25 | 2008-07-10 | Mitsubishi Electric Corp | Switchgear container and switchgear |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57138806A (en) * | 1981-02-20 | 1982-08-27 | Takaoka Electric Mfg Co Ltd | Method of producing container for gas insulated electric device |
| JPH09322339A (en) * | 1996-05-27 | 1997-12-12 | Mitsubishi Electric Corp | Gas sealing container of gas insulated switchgear |
-
2013
- 2013-12-25 WO PCT/JP2013/084609 patent/WO2015019516A1/en active Application Filing
- 2013-12-25 CN CN201380077928.3A patent/CN105359361B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06327111A (en) * | 1993-05-14 | 1994-11-25 | Mitsubishi Electric Corp | Gas-insulated switch |
| TW279236B (en) * | 1995-01-10 | 1996-06-21 | Mitsubishi Electric Corp | Container for electrical apparatus |
| CN1213204A (en) * | 1997-09-30 | 1999-04-07 | 三菱电机株式会社 | Enclosed switch board and isolation parts casing pipe |
| CN1319925A (en) * | 2000-03-30 | 2001-10-31 | 寺崎电气产业株式会社 | Switch board and frame unit |
| JP2008160983A (en) * | 2006-12-25 | 2008-07-10 | Mitsubishi Electric Corp | Switchgear container and switchgear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105359361A (en) | 2016-02-24 |
| WO2015019516A1 (en) | 2015-02-12 |
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