CN104380552A - A shutter system in a switchgear assembly - Google Patents
A shutter system in a switchgear assembly Download PDFInfo
- Publication number
- CN104380552A CN104380552A CN201280074241.XA CN201280074241A CN104380552A CN 104380552 A CN104380552 A CN 104380552A CN 201280074241 A CN201280074241 A CN 201280074241A CN 104380552 A CN104380552 A CN 104380552A
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- Prior art keywords
- valve plate
- valve
- edge
- path
- valve system
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/24—Shutters or guards
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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
- H02B1/305—Cable entries
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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
- H02B1/32—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Patch Boards (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
There is provided a shutter system in a switchgear assembly comprising a cable compartment configured to accommodate cables; a circuit breaker compartment configured to accommodate a circuit breaker; and a busbar compartment configured to accommodate a plurality of poles, wherein the shutter system comprises: a set of shutter plates (71, 72, 73, 74) configured to divide the circuit breaker compartment into a test position in which the circuit breaker is disconnected with extended portions of both the poles and the cables and a service position in which the circuit breaker is connectable with the extended portions of both the poles and the cables. Various embodiments of the present invention may improve and guarantee the safety of operators.
Description
Technical field
A kind of switch cubicle assembly of embodiments of the invention relate generally to.Particularly, embodiments of the invention relate to the valve system in air-insulated Medium Voltage Switchgear assembly.
Background technology
At present, from the angle of market viewpoint, be necessary middle pressure (hereinafter referred to as " MV ") the switch cubicle assembly developing low side, low cost.
Usually, switch cubicle assembly comprises cable vault, breaker chamber, bus-bar room, low-pressure chamber and the compact pressure release passage for security purpose layout.
In typical switch cubicle assembly, the cable of circuit breaker stube cable room and the busbar of bus-bar room.When needs disconnect bus connection, such as, in time needing the assembly of maintenance and/or restoration switch cabinet, usually need to extract circuit breaker out from breaker chamber.But if cable and/or busbar and breaker safe are not separated by operator, so this inside directly entering breaker chamber for operator is danger close.
Summary of the invention
One or more objects of various embodiment of the present invention comprise the safety etc. of the connection that promotes between each compartment and disconnection, improvement and guarantee operator.
According to an aspect of the present invention, provide a kind of valve system in switch cubicle assembly, switch cubicle assembly comprises: be configured to the cable vault holding cable; Be configured to the breaker chamber holding circuit breaker; And be configured to the bus-bar room holding multiple branches busbar, wherein, valve system comprises: valve plate group, the position of circuit breaker is configured to be divided into test position and service position, in test position, the extension of circuit breaker and busbar and cable disconnects, and in service position, circuit breaker can be connected with the extension of both busbar and cable.
According to embodiments of the invention, wherein, each in valve plate group has the first edge and the second edge, and rotatablely it can be opened or closed.
According to embodiments of the invention, wherein, the first edge of at least one valve plate is fixed to corresponding axle, and the second edge of at least one valve plate is rotatable around corresponding axle, makes at least one valve plate rotatable.
According to embodiments of the invention, wherein, the first edge of at least one valve plate can move along the first path, and the second edge of at least one valve plate can move along the second path being orthogonal to the first path, makes at least one valve plate rotatable.
According to embodiments of the invention, also comprise corresponding director element, it is corresponding with each at least one valve plate, and to guide the movement of corresponding valve plate, wherein, corresponding director element extends on both the first path and the second path.
According to embodiments of the invention, valve system as claimed in claim 2, each wherein in valve plate group can rotate in horizontal plane or perpendicular.
According to embodiments of the invention, each wherein in valve plate group can rotate in the horizontal direction, valve plate group comprises: the valve plate of three first kind, and its first edge can move along the first path, and the second edge can move along the second path perpendicular to the first path; And the valve plate of a Second Type, its first edge is fixed to corresponding axle, and the second edge can rotate around corresponding axle.
According to embodiments of the invention, each wherein in valve plate group can rotate in vertical direction, valve plate group comprises two valve plates, and its first edge can move along the first path, and the second edge can move along the second path being orthogonal to the first path.
According to embodiments of the invention, wherein, each in valve plate group can Linear-moving, it can be opened or closed.
According to embodiments of the invention, wherein, valve system comprises: the first housing section, and it blocks the extension of branch's busbar; And second housing section, it blocks the extension of cable, and wherein, valve plate group is disposed in the first and second housing section.
According to embodiments of the invention, wherein, the number of valve plate group is 3.
According to embodiments of the invention, wherein, valve system also comprises bar and linkage element, and wherein, bar is pivotally connected to switch cubicle assembly at first end place, and is connected to the linkage element connecting valve plate group at other end place.
According to embodiments of the invention, wherein, valve system comprises flexible member further, closes for automatically making valve plate.
According to embodiments of the invention, wherein, valve system also comprises blocking element, for preventing artificial manual unlocking valve system.
According to a further aspect in the invention, provide a kind of switch cubicle assembly, comprise any one in above-mentioned valve system.
Other feature and advantage of embodiments of the invention can also when reading by reference to the accompanying drawings from understanding the description of specific embodiment below, and such as, accompanying drawing illustrates the principle of embodiments of the invention by way of example.
Accompanying drawing explanation
Accompanying drawing is included to provide a further understanding of the present invention, and forms the part of this specification, and accompanying drawing illustrates embodiments of the invention, and helps to explain principle of the present invention together with specification.In the accompanying drawings:
Fig. 1 is the figure that the illustrative switch group part can putting into practice valve system according to an embodiment of the invention is shown;
Fig. 2 is the figure of the side cross-sectional view that switch cubicle assembly as shown in Figure 1 is shown;
Fig. 3 is the figure of diagram front sectional view of the breaker chamber of switch cubicle assembly as shown in Figure 1 when circuit breaker is in test position;
Fig. 4 is the figure of diagram front sectional view of the breaker chamber of switch cubicle assembly as shown in Figure 1 when circuit breaker is in service position;
Fig. 5 is the figure that exemplary according to an embodiment of the invention wall bushing module is shown;
Fig. 6 illustrates the figure being in the exemplary valve system of closure state according to an embodiment of the invention;
Fig. 7 illustrates the figure being in the exemplary valve system of open mode according to an embodiment of the invention;
Fig. 8 is diagram figure circuit breaker being inserted into the overall process in breaker chamber according to an embodiment of the invention;
Fig. 9 is the figure of the concrete structure that exemplary according to an embodiment of the invention valve system is shown;
Figure 10 is the figure of the concrete structure of the director element that exemplary according to an embodiment of the invention valve system is shown;
Figure 11 a-11c is the figure of the operating process that exemplary according to an embodiment of the invention valve system is shown;
Figure 12 a-12c is the figure of the operating process of the exemplary valve system illustrated according to another embodiment of the present invention;
Figure 13 is the figure of the exemplary valve system illustrated according to another embodiment of the present invention;
Figure 14 is the figure of the concrete structure of the elastic component of the exemplary valve system illustrated according to another embodiment of the present invention;
Figure 15 is the figure of the end view of the exemplary valve system illustrated according to another embodiment of the present invention; And
Figure 16 is the figure of the exemplary valve system illustrated according to still another embodiment of the invention.
Embodiment
Present by concrete reference embodiments of the invention, illustrate its example in the accompanying drawings.
Fig. 1 is the figure that the illustrative switch group part can putting into practice valve system according to an embodiment of the invention is shown, and Fig. 2 is the figure of the side cross-sectional view that switch cubicle assembly as shown in Figure 1 is shown.
As depicted in figs. 1 and 2, The embodiment provides a kind of switch cubicle assembly, comprising: cable (CA) room being configured to hold cable 10; To be disposed in cable vault and to be configured to hold circuit breaker (CB) room of circuit breaker 20; Be disposed in breaker chamber front upper place and be configured to low pressure (LV) room of control switch cabinet; And be arranged in the back upper place of breaker chamber and be configured to hold bus (BB) room (as shown in Figure 2) of multiple branches busbar 30.In order to clear and be convenient to illustrate, in the context of the present specification, then vertical direction is called as to the direction of BB room from CA room to CB room.
The layout of the BB room at rear, LV room will contribute to the safety improving operating personnel.In this arrangement, BB and operator by operator's (such as, for object safeguarded and control) access, can be separated by LV room simultaneously, and can not be touched by operator by LV room.Therefore, the safety that can ensure operator is arranged according to an embodiment of the invention.
But although it will be understood by those skilled in the art that as above layout LV room, other layouts of LV room are also acceptable and are contained by the present invention.In other words, how to arrange that LV room can not affect the layout of valve system according to an embodiment of the invention.
According to embodiments of the invention, each in multiple branches busbar 30 connects to corresponding in multiple bus, and can connect to corresponding in cable 10 via circuit breaker 20; And wherein, multiple branches busbar 30 is arranged such that its specific range separated from one another in the first horizontal direction defined to rear from the front of breaker chamber.
As shown in Figure 2, the number of branch's busbar 30 normally 3, and correspond to each phase of three phase mains.Therefore, usually there are three buses be connected with electrode 30.Certainly, when needed, the electrode of other numbers is also applicatory.
Note, term " the first horizontal direction " in the context of the present specification refers to the direction being orthogonal to above-mentioned " vertical direction ", and extends to BB room (or from BB room to LV room) from LV room, as depicted in figs. 1 and 2.
In addition, as shown in Figure 2, electrode can extend to CB room, to form extension and to be connected with circuit breaker 20 wherein.Circuit breaker 20 has the connector (such as three fingertips) for the respective number be connected with the copper bar extended from BB room usually.At the other end of circuit breaker, have the cable of respective number to be connected, therefore, electric current can flow to the cable in CA room from the bus held BB room by the circuit breaker in CB room.Be appreciated that cable also can extend to breaker chamber to form extension.
According to one embodiment of present invention, as shown in Figure 2, multiple branches busbar 30 is disposed in the first horizontal direction instead of in perpendicular, branch's busbar 30 directly can be changed to breaker chamber without any bending or direction from bus-bar room, in addition, branch's busbar 30 directly can be connected with circuit breaker and without any other intermediate members (contact such as adopted in some traditional switch cabinets).According to embodiments of the invention, instrument transformer is connected with cable and only needs in line (such as copper bar).
It will be appreciated, of course, that embodiment as above is only preferred and exemplary, and when needed, any suitable parts can be there are between branch's busbar and circuit breaker.
Be also noted that, the first horizontal direction arranged branch's busbar is only preferred embodiment, and other layouts are possible, as long as multiple branches busbar is separated specific range in the first horizontal direction.Such as, can arrange higher or lower (in the vertical direction) etc. than other branch's busbars for one in multiple branches busbar
Next, the internal structure of CB room is specifically described by reference to Fig. 3 and Fig. 4.
Fig. 3 is the figure of diagram front sectional view of the breaker chamber of switch cubicle assembly as shown in Figure 1 when circuit breaker is in test position (P1).Fig. 4 is the figure of diagram front sectional view of the breaker chamber of switch cubicle assembly as shown in Figure 1 when circuit breaker is in service position (P2).
With reference to figure 3, according to embodiments of the invention, breaker chamber comprises test position (P1) and service position (P2) in the second horizontal direction being orthogonal to the first horizontal direction, in test position (P1), circuit breaker and branch's busbar and the extension both cable disconnect, in service position (P2), circuit breaker can be connected with the extension of both branch's busbar and cable.
It should be noted that term " the second horizontal direction " is in the context of the present specification a direction being orthogonal to the first horizontal direction and vertical direction.
As shown in Figure 3, CB room has the service position (P2) in left side and the test position (P1) on right side.In test position (P1), the electrode in circuit breaker and BB room and the cable (not shown in Fig. 3) in VA room the two disconnect.When drive circuit breaker with from move right left and arrive service position (P2) time, as shown in Figure 4, the branch's busbar in BB room is connected to the cable in CA room by it.Certainly, according to another embodiment, be appreciated that test position (P1) can in left side, and service position (P2) can on right side.
As shown in Figure 3 and Figure 4, when disconnecting branch's busbar 30 and cable 10, according to embodiments of the invention, do not need to pull out circuit breaker completely from CB room.On the contrary, operator may only need circuit breaker to be moved to right side (or from right side to left side) from left side, and the connection so between branch's busbar and circuit breaker and between circuit breaker and cable will be cut off.Obviously, according to embodiments of the invention, this will decrease taking of space.
In order to promote the motion of circuit breaker, two set of rails can be set in CB room.According to embodiments of the invention, first set of rails (not shown) is disposed in the second horizontal direction to make circuit breaker slide between test position and service position, and the second track groups 50 (as shown in Figure 7) is disposed in the first horizontal direction, slides in breaker chamber or the breaker chamber that slides out to make this circuit breaker.
Fig. 5 is the figure of the module that exemplary according to an embodiment of the invention wall bushing is shown.
Wall bushing module is for the insulation between compartment and support.Such as, when the housing of switch cubicle assembly is made of metal, so need such as arranging the wall bushing module that insulate between branch's busbar and shell, between circuit breaker and shell and between cable and shell.Certainly, if shell is made up of insulating material, then do not need in wall bushing module.
Wall bushing module to purchase in the market.Usually, commercially available wall bushing module is integrated form, and according to embodiments of the invention, can be directly used in switch cubicle assembly.
In order to improve the fail safe of operator further, preferably produce the interval between test position (P1) and service position (P2), make when circuit breaker moves to service position (P2) from test position (P1), valve plate group is opened to allow passing through of circuit breaker, and when circuit breaker moves to test position from service position (P2), valve group closes with isolation experiment position (P1) and service position (P2) to ensure the safety of operator.
According to an aspect of the present invention, the valve system in a kind of switch cubicle assembly as above is provided.As again illustrated, switch cubicle assembly can comprise: be configured to the cable vault (CA) holding cable; To be disposed on cable (CA) room and to be configured to hold circuit breaker (CB) room of circuit breaker; And to be disposed on circuit breaker (CB) room and to be configured to hold bus (BB) room of multiple electrode.According to embodiments of the invention, valve system can comprise: be configured to the valve plate group 70 breaker chamber being divided into test position and service position, in test position, circuit breaker and electrode and the extension both cable disconnect, in service position, circuit breaker can be connected with the extension of both electrode and cable.
Fig. 6 illustrates the figure being in the exemplary valve system of closure state according to an embodiment of the invention.
As shown in Figure 6, valve plate 70 closes, and test position (P1) and service position (P2) are well isolated.Preferably, when circuit breaker leaves service position, valve plate can close automatically.This will ensure the safety of operator.
Fig. 7 illustrates the figure being in the exemplary valve system of open mode according to an embodiment of the invention.
As shown in Figure 7, when circuit breaker moves to service position (P2) from test position (P1), valve plate can be driven to and open.
Fig. 8 is diagram figure circuit breaker being inserted into the overall process in CB room according to an embodiment of the invention.As shown in Figure 8, first circuit breaker is inserted into test position along such as the second set of rails.When reaching ad-hoc location, so drive circuit breaker to move to service position along such as the first set of rails.During along with mobile from test position to service position of circuit, valve plate is opened, and makes circuit breaker can by the Electrode connection in BB room to the cable in CA room.When pulling out, first circuit breaker moves to test position (preferably, valve plate will close automatically) along such as the first set of rails from service position, and then can pull out along such as the second set of rails from CB room.
With reference to turning back to Fig. 1 and Fig. 2.According to embodiments of the invention, switch cubicle assembly can also comprise pressure release passage 60, and it is arranged the rear portion of at least one in cable vault, breaker chamber and bus-bar room, and is arranged to switch cubicle and control cubicle (IAC) application of IAC level.
According to embodiments of the invention, breaker chamber can be interlocked with at least one in CA room, BB room and LV room, makes whole switch cubicle assembly can keep stable.Any known or leaved for development mechanism may be used for interlocking each room.
In addition, according to embodiments of the invention, switch cubicle assembly can be such as air-insulated Medium Voltage Switchgear assembly.
Be designed to meet International Electrotechnical Commission (IEC) 62271-20 " LSC-2B " and " metallic member (PartitionMetallic) " according to the switch cubicle assembly of each embodiment of the present invention.
By specific descriptions according to the structure of the valve system of various embodiment or layout.
Embodiment 1
According to embodiment, each in valve plate group has the first edge and the second edge, and is rotatable, it can be opened or close.Rotatable valve plate can realize in every way.
Fig. 9 is the figure of the concrete structure that exemplary according to an embodiment of the invention valve system is shown.
As shown in Figure 9, first edge (the right hand edge 71-1 in such as Fig. 9) of a valve plate 71 is fixed to axle, and its second edge (such as, the left hand edge 71-2 in Fig. 9) can rotate around this axle, makes this valve plate rotatable.
It will be understood by those skilled in the art that valve system only can comprise a valve plate 71 as door.When being pushed, valve plate 71 is by rotation to open, and when motive force removes, valve plate 71 will close, and preferably automatically close.Be appreciated that valve system can comprise two valve plates, 71, valve plate and can rotate around left axle, and another valve plate can rotate around right axle.It is also understood that valve system can comprise multiple valve plate 71 (such as corresponding to three electrode examples, three valve plates).And it is also feasible that the first edge can refer to the left hand edge 71-2 of valve plate 71, and the second edge can refer to the right hand edge 71-1 of valve plate 71.
Embodiment 2
According to another embodiment, as in fig .9 further shown in, first edge of at least one valve plate (such as, the right hand edge 72-1 of the valve plate 72 shown in Fig. 9) can along the first path (such as, in Fig. 10 indicated by 100-1) mobile, and the second edge of at least one valve plate (such as, the left hand edge 72-2 of the valve plate 72 shown in Fig. 9) can along being orthogonal to second path in the first path (such as, in Fig. 10 by shown in 100-2), make at least one valve plate be rotatable.
At this, " the first path " can along a layout in the first horizontal direction and the second horizontal direction, and " the second path " can be arranged along another in the first horizontal direction and the second horizontal direction.In other words, the first path can be indicated by 100-2, and the second path can be indicated by 100-1.
According to embodiments of the invention, valve system may further include corresponding director element 100, it is corresponding to each at least one valve plate 72 to promote the movement of each valve plate, and wherein, corresponding director element extends on the first path 100-1 and the second path 100-2.
This director element 100 can be track or groove, and those skilled in the art can adopt appropriate format according to actual needs.Figure 10 is the figure of the concrete structure of the director element 100 that exemplary according to an embodiment of the invention valve system is shown.
As shown in Figure 10, director element 100 is forms of groove, and be L shape to provide the first path 100-1 and the second path 100-2, two of this valve plate edges can be moved along two orthogonal directions.
It will be understood by those skilled in the art that valve system only can comprise a valve plate 72.When a valve plate 2 moves, valve plate is by rotation to open, and when actuating force removes, this valve plate will close.Further understanding, valve system can comprise multiple valve plate 72 (such as, corresponding to three valve plates of three branch's busbars).
According to embodiments of the invention, valve system also comprises bar 40 (as shown in figures 7 and 9) and linkage element 80 (as shown in Figure 9), and bar 40 is pivotally connected to switch cubicle assembly at first end place, and be connected to the connection element 80 connecting valve plate group at other end place.
As shown in Figure 9, one end of bar 40 is pivotally connected to the ad-hoc location of the shell of breaker chamber, and its other end is connected to a roller 80, makes the rotation of bar 40 can drive the movement of roller 80.Roller 80 so with each edge conjunction at least one valve plate 72, make the motion of roller 80 to drive the rotation of valve plate 72.
Although describe above-mentioned bar 40 and connection element 80 about valve plate 72, those skilled in the art can also design suitable bar 40 and/or connection element 80, rotates valve plate 71 to drive.Its detailed description will be omitted.
According to embodiments of the invention, valve system also comprises flexible member, closes for automatically making valve plate.
Although not shown in fig .9, but flexible member (such as spring or any other suitable elastomeric element) can be arranged, for promoting or pulling connection element to get back to home position, make to turn back to test position once circuit breaker from service position, valve plate can automatically close.
Embodiment 3
Embodiment 3 is combinations of embodiment 1 and 2.Particularly, valve plate group comprises valve plate (valve plate of the first kind) as shown in Example 2 and valve plate as described in Example 1 (valve plate of Second Type).According to above description, the first and second edges of each in the valve plate of the first kind can move along the first path and the second path respectively; And the first edge of each in the valve plate of Second Type is fixed to axle, and the second edge of each in the valve plate of Second Type can pivot.
Figure 11 a-11c is the figure of the operating process that exemplary according to an embodiment of the invention valve system is shown.
As shown in figures 1 ia-i ic, the number of the valve plate of the first and second types is 3 and 1 respectively.When bar 40 be forced clockwise direction rotate time, it drives connection element 80 to slide, and then drives the valve plate of three first kind to move along the director element (such as groove) be arranged on the upper surface of CB room and lower surface.Meanwhile, the movement that the valve plate of a Second Type is forced through circuit breaker is opened.In addition, when circuit breaker moves away from service position, all valve plates can pass through flexible member (such as spring) and be reset to home position.
According to embodiments of the invention, preferably, the first and second edges of valve plate can have and the protuberance matched each other and recess.Particularly, when valve plate closes, the protuberance of a valve plate will extend in the recess of its corresponding valve plate.Preferably, protuberance and recess are disposed in the centre at the edge of valve plate, can prevent the interference between the extension of valve plate and cable and branch's busbar.
As can be seen from description above, all valve plates can rotate in a horizontal plane.Here, should be appreciated that term " horizontal plane " is the plane being orthogonal to above-mentioned vertical direction.In other words, for valve plate 71, it rotates around the edge 71-1 that it extends in vertical direction, and for by valve plate 72, its corresponding axle VA (being indicated by dotted line in Fig. 10) also extended in vertical direction around it rotates.Here, different from edge 71-1, axle VA is imaginary axis, as shown in Figure 10.
Embodiment 4
According to another embodiment, valve plate can also rotate in perpendicular, and the number of valve plate can be 2, wherein the first edge of two valve plates can move along the first path, and the second edge of two valve plates can move along the second path being orthogonal to the first path.
Figure 12 a-12b is the figure of the operating process of the exemplary valve system illustrated according to another embodiment of the present invention.
As shown in Figure 12 a-12b, two valve plates about 73 are arranged.The top edge 73-1 of upper valve plate and the lower limb 73-1 of lower valve plate can move along its corresponding mobile and horizontal path 110-1, and the top edge 73-2 of the lower limb 73-2 of upper valve plate and lower valve plate can move along corresponding vertical-path 110-2 in the opposite direction.
At this, " horizontal route " can be arranged along in the second horizontal direction, and " vertical-path " can be arranged along above-mentioned vertical direction.
Although the horizontal route 110-1 shown in Figure 12 a-12b extends towards test position, also it is possible that horizontal route 110-1 extends on the contrary, namely extend towards service position.
Can find out, term " perpendicular " can be perpendicular to the plane of axle HA as shown in figure 12 c.Be apparent that from Figure 12 c, when the edge of upper valve plate 73 moves along its corresponding path, the trunnion axis HA that upper valve plate 73 can extend in the first horizontal direction rotates.Similarly, lower valve plate 73 can also rotate around another trunnion axis HA (not shown).
Similar with previous embodiment, valve system also comprises corresponding director element 110, it is corresponding to each in valve plate group to promote the movement of corresponding valve plate, and wherein, corresponding director element 110 extends in both the first path 110-1 and the second path 110-2.
Director element 110 can be track or groove, and those skilled in the art can adopt appropriate format according to actual needs.
Slightly different with L shape groove as shown in Figure 10, the director element 110 shown in Figure 12 a-12c be U-lag.Obviously, U-lag can be regarded as the combination of two L shape grooves.
It will be understood by those skilled in the art that according to embodiment 4, valve system only can comprise an only valve plate.
According to embodiments of the invention, valve system also comprises bar 40 and connection element 80, and wherein, bar 40 is pivotally connected to switch cubicle assembly at first end place, and is connected to the connection element 80 of connection valve plate group 73 at other end place.
As shown in Figure 12 a-12c, connection element 80 can connect the top edge 73-1 of valve plate and the lower limb 73-1 of lower valve plate.
According to embodiments of the invention, valve system may further include flexible member (not shown), closes for automatically making valve plate.
Embodiment 5
Embodiment 5 is similar to Example 1, and difference is only, in embodiment 5, valve plate can around above and/or under axle rotate.
In addition, be appreciated that the valve system in embodiment 5 can combine with the valve system in embodiment 4.
Embodiment 6
In the aforementioned embodiment, all valve plates are rotatable.Embodiment 6 will describe different valve systems.
Figure 13 is the figure of the exemplary valve system illustrated according to another embodiment of the present invention.
As shown in figure 13, the valve plate of valve system can Linear-moving, it can be opened or closed.
Linear moveable valve plate can realize in every way.
Such as, valve system can comprise plate CB room being divided into test position and service position.This plate can comprise standing part and slidably part, and and then, slidably part can Linear-moving with after ensconcing standing part, make to there is hole onboard.
According to embodiments of the invention, valve system comprises the first housing section C1, and it blocks the extension of branch's busbar; And the second housing section C2, it blocks the extension of cable, and wherein, valve plate group is disposed in the first and second housing section.
As in fig. 13 further shown in, the first housing section C1 to be disposed on CB room and to block the extension of the branch's busbar extended from BB room, and the second housing C2 is disposed in bottom, CB room and blocks the extension of the cable extended from CA room.Clearly, the safety of operator can be guaranteed because branch's busbar and cable and they isolate.
Be appreciated that the first housing section C1 and the second housing section C2 can be separated or be connected to each other.
Figure 14 is the figure of the concrete structure of the exemplary valve system illustrated according to another embodiment of the present invention.
As shown in figure 14, housing section can be any shape of the shape of the extension being suitable for branch's busbar or cable.Valve plate 74 is disposed on housing parts, and removable make its can by ensconce housing section standing part after.
Be similar to previous embodiment, valve system as shown in figure 14 can also comprise bar 40 and connection element 80, and wherein, bar 40 is pivotally connected to switch cubicle assembly at first end place, and is connected to the connection element 80 connecting valve plate group at other end place.
Figure 15 is the figure of the concrete structure of the flexible member of the exemplary valve system illustrated according to another embodiment of the present invention.
As shown in Figure 15, can arrange that flexible member 90 (such as spring or any other suitable elastomeric element) is to promote or to pull coupling components 80 to turn back to home position, make to turn back to test position once circuit breaker from service position, valve plate can automatically close.
Note, valve plate should have the minimal-contact with the standing part of housing section, to reduce friction, and improves the smooth motion of valve plate.
Embodiment 7
In paragraph above, the embodiment 1-6 about concrete switch cubicle component description.But valve system according to various embodiments of the present invention can realize in the switch cubicle assembly that any other is suitable.
Figure 16 is the figure of the illustrative switch group part that the valve system that can realize according to various embodiments of the present invention is shown.
As shown in figure 16, switch cubicle assembly can also comprise the first housing section C1 and the second housing section C2, and it has the function identical with shown in Figure 13.Switch cubicle assembly in Figure 16 is with the switch cubicle assembly difference shown in paragraph above, when being inserted in breaker chamber, circuit breaker directly contacts with branch busbar with the extension of both cables, and can not further from moving left right (or from right to left).Therefore, the application of valve plate is according to various embodiments of the present invention not limited to the switch cubicle assembly of particular type, and be feasible is any switch cubicle assembly.
In above-mentioned various embodiment, circuit breaker can have specific part, and such as, protuberance, for the rotation of drive rod.Such as, when circuit breaker moves, protuberance can force bar to have rotation, this so that drive linkage element to open valve plate, make circuit breaker can connecting electrode and cable.It is also understood that bar can by operator's manual operation or by motor driving etc.
Preferably, mechanical interlocking group (not shown) can be set according to the valve system of various embodiment, to prevent personnel's manual unlocking valve.Mechanical interlocking can by the mechanism of any known valve of can interlocking maybe will developed.
According to a further aspect in the invention, provide a kind of switch cubicle assembly, comprise any one in aforementioned valve system.
Those skilled in the art will be made to expect in many amendments described in this paper and other embodiments, benefit from the embodiment belonging to the present invention of the instruction presented in aforementioned description and relevant drawings.Therefore, should be appreciated that embodiments of the invention are not limited to disclosed specific embodiment, and amendment and other embodiments are intended to be included in the scope of appended claim.Although be used herein particular term, it only uses and is not used in the object of restriction in meaning that is general and that describe.
Claims (15)
1. the valve system in switch cubicle assembly, described switch cubicle assembly comprises: be configured to the cable vault holding cable; Be configured to the breaker chamber holding circuit breaker; And be configured to the bus-bar room holding multiple branches busbar, wherein said valve system comprises:
Valve plate group (71,72,73,74), described valve plate group (71,72,73,74) is configured to described breaker chamber to be divided into test position and service position, in described test position, the extension of described circuit breaker and described branch busbar and described both cables disconnects, in described service position, described circuit breaker can be connected with the extension of described electrode and described both cables.
2. valve system according to claim 1, each valve plate in wherein said valve plate group (71,72,73) has the first edge (71-1,72-1,73-1) and the second edge (71-2,72-2,73-2), and each valve plate in described valve plate group (71,72,73) is rotatable it can be opened or closed.
3. valve system according to claim 2, wherein, described first edge (71-1) of at least one valve plate (71) is fixed to corresponding axle, and described second edge (71-2) of described at least one valve plate (71) is rotatable about corresponding axle, make described at least one valve plate (71) rotatable.
4. valve system according to claim 2, wherein, described first edge (72-1,73-1) of at least one valve plate (72,73) is removable along the first path (100-1,110-1), and described second edge (72-2,73-2) of at least one valve plate described (72,73) is removable along the second path (100-2,110-2) being orthogonal to described first path (100-1,110-1), make at least one valve plate described rotatable.
5. valve system according to claim 4, comprise corresponding ways (100,110) further, described ways (100,110) is corresponding with each valve plate at least one valve plate described (72,73), to promote the movement of corresponding valve plate (72,73), wherein, corresponding director element (100,110) is in described first path (100-1,110-1) and the two upper extension of described second path (100-2,110-2).
6. valve system according to claim 2, wherein, each valve plate in described valve plate group (71,72,73) is rotatable in horizontal plane or perpendicular.
7. valve system according to claim 6, wherein, each valve plate in described valve plate group (71,72) is rotatable in the horizontal direction, described valve plate group (71,72) comprising: the valve plate (72) of three first kind, first edge (72-1) of the valve plate (72) of the described first kind is removable along the first path (100-1), and the second edge (72-2) is removable along the second path (100-2) being orthogonal to described first path (100-1); And the valve plate of a Second Type (71), first edge (71-1) of the valve plate (71) of described Second Type is fixed to corresponding axle, and the second edge (71-2) is rotatable about described corresponding axle.
8. valve system according to claim 6, each valve plate (73) in wherein said valve plate group is rotatable in perpendicular, described valve plate group (73) comprising: two valve plates, first edge (73-1) of described valve plate is removable along the first path (110-1), and the second edge (73-2) is rotatable along the second path (110-2) being orthogonal to described first path (110-1).
9. valve system according to claim 1, wherein, each valve plate in described valve plate group (74) can Linear-moving, it can be opened or closed.
10. valve system according to claim 9, wherein said valve system comprises: the first housing section (C1), and described first housing section (C1) surrounds the extension of described electrode; And second housing section (C2), described second housing section (C2) surrounds the extension of described cable, and wherein said valve plate group (74) is disposed in described first housing section (C1) and described second housing section (C2).
11. valve systems according to claim 9, the number of wherein said valve plate group (74) is 3.
12. valve systems according to any one in claim 1-11, wherein said valve system also comprises bar (40) and connection element (80), and wherein said bar (40) is pivotally connected to described switch cubicle assembly at one end, and be connected to the described linkage element (80) of the described valve plate group of connection (71,72,73,74) at other end place.
13. valve systems according to any one in claim 1-11, wherein said valve system comprises flexible member (90) further, closes for automatically making described valve plate (71,72,73,74).
14. valve systems according to any one in claim 1-11, wherein said valve system also comprises interlocking member, for preventing valve system described in manual unlocking.
15. 1 kinds of switch cubicle assemblies, comprise the valve system according to any one in claim 1-14.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/077446 WO2014000145A1 (en) | 2012-06-25 | 2012-06-25 | A shutter system in a switchgear assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104380552A true CN104380552A (en) | 2015-02-25 |
| CN104380552B CN104380552B (en) | 2017-04-19 |
Family
ID=49782019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280074241.XA Active CN104380552B (en) | 2012-06-25 | 2012-06-25 | A shutter system in a switchgear assembly |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2865057A4 (en) |
| CN (1) | CN104380552B (en) |
| WO (1) | WO2014000145A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729640A (en) * | 2019-11-18 | 2020-01-24 | 咸宁恒舟信息科技有限公司 | Protective cover plate structure of high-voltage interface in electrical control cabinet |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020110059A1 (en) * | 2018-11-30 | 2020-06-04 | Abb Schweiz Ag | A switchgear equipment with a shutter assembly |
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- 2012-06-25 CN CN201280074241.XA patent/CN104380552B/en active Active
- 2012-06-25 EP EP12880059.6A patent/EP2865057A4/en not_active Withdrawn
- 2012-06-25 WO PCT/CN2012/077446 patent/WO2014000145A1/en active Application Filing
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| US4351990A (en) * | 1980-08-01 | 1982-09-28 | Westinghouse Electric Corp. | Interphase barrier for switchgear |
| CN1555598A (en) * | 2001-10-22 | 2004-12-15 | Mounting structure for an electric switch | |
| CN2888702Y (en) * | 2006-01-13 | 2007-04-11 | 上海纳杰电气成套有限公司 | An armored movable switch cabinet with foldable metal door |
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| CN110729640A (en) * | 2019-11-18 | 2020-01-24 | 咸宁恒舟信息科技有限公司 | Protective cover plate structure of high-voltage interface in electrical control cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104380552B (en) | 2017-04-19 |
| WO2014000145A1 (en) | 2014-01-03 |
| EP2865057A4 (en) | 2016-01-20 |
| EP2865057A1 (en) | 2015-04-29 |
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