CN103021728B - Medium-voltage distribution equipment - Google Patents
Medium-voltage distribution equipment Download PDFInfo
- Publication number
- CN103021728B CN103021728B CN201210369372.2A CN201210369372A CN103021728B CN 103021728 B CN103021728 B CN 103021728B CN 201210369372 A CN201210369372 A CN 201210369372A CN 103021728 B CN103021728 B CN 103021728B
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- bent axle
- contact
- bar
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- equipment
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H33/6661—Combination with other type of switch, e.g. for load break switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
- H01H33/121—Load break switches
- H01H33/125—Load break switches comprising a separate circuit breaker
- H01H33/126—Load break switches comprising a separate circuit breaker being operated by the distal end of a sectionalising contact arm
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to a kind of controller switching equipments,Electrical open or interruption means including being known as first device,And the referred to as electricity isolation device of second device,First device and second device are in parallel,Respectively in the open position of switchgear and closed position,Two electric devices can take first position and the second position,The opening and closing of first and second electric devices are controlled by the first electric device,And when switchgear is moved from closing device to device for opening,The contact of isolating device is first turned on,Electric arc and arc voltage are generated between its contact,So that electric current is substantially all to be diverted into open circuit or interruption means,Before the contact of open circuit or interruption means is opened,The opening of these contacts continues,Until ample clearance is obtained between the contact in the isolating device,So as to after the contact closure of two devices,When establishing transient recovery voltage,Prevent any subsequent dielectric breakdown at the position of isolating device.
Description
Technical field
The present invention relates to a kind of medium-voltage distribution equipment, which is mounted between two parts of circuit, at least to hold
Row between the two parts current flowing and in the case of electric fault current interruptions function.
Background technology
The distribution board of the above-mentioned type is known, such as in patent application FR2940516.This distribution board includes switch
Or breaker, it also performs disconnection handoff functionality, connects with this switch (or breaker), including having at least two positions
Selector, the two positions are current flowing position and earthing position respectively.
This distribution board is designed to be connected the electric current of 630A, and is therefore unsuitable for that higher levels of current is connected, such as
1250A。
When the rated current performance of this distribution board or any similar distribution board must increase, big investment is needed
It is operated with excessive change, especially when these distribution boards are using complicated technology, such as during Sheathed metal insulation technology.
Furthermore it is possible to these distribution boards for bearing rated electrical more higher than common medium range correspond to smaller occupancy
In the range of volume, lead to the industrial cost of this transformation and improper.In the case of vacuum circuit breaker, current lead-through function
It is further extremely complex and there are problem, this is because the size of the contact of contact box reduces and their high contact resistance
Power, the latter change with the quantity of performed short circuit operation.
In addition, the exploitation of this high current distribution board increases the quantity of sub-component benchmark, needless to say be related to distribution board
The improvement of all necessary peripheries of major function, that is, dielectric and electric current distribution function, under specific circumstances this electric function
Need the complicated molding of the housing come from casting.
Invention content
The present invention solves the problems, such as these and proposes distribution board a kind of simple in structure and economic, can bear high specified
Electric current, without the quantity of sub-component for considerably increasing required investment and being formed.
For this purpose, the object of the present invention is to provide a kind of switchgear of the above-mentioned type, this equipment is characterized in that
It includes being known as the current interruption of first device or the electricity isolation device of interruption means, referred to as second device, they are in parallel
Connection, in the open position of switchgear and respectively in closed position, the two electric devices can take open position with
Closed position, and the opening and closing of the first and second electric devices are controlled by the first electric device, and work as switchgear
When being moved to open position from closed position, the contact of isolating device is first turned on, and electric arc and electric arc are generated between its contact
Voltage so that electric current is substantially all to redirect to open circuit or interruption means, occurs in the opening of open circuit or the contact of interruption means
Before, the opening of these contacts is continued, until obtaining sufficient gap between the contact for disconnecting device, so as to
When preventing from establishing transient recovery voltage (TRR) after the contact closure of two devices, generated therewith in the position of isolating device
And the electrical breakdown come.
According to special characteristic, when being moved to closed position from open position, referred to as the electric device of first device is first
Be closed, to establish current flowing by these devices, then the second electric device be closed so that electric current above-mentioned two device it
Between distribute.
According to another feature, the electric device of referred to as first device is that have the breaker of at least two positions or open
It closes, the two positions are respectively closed position and open position, and the second electric device is the isolation at least two positions
Switch, the two positions are closed position and open position respectively.
According to another feature, above-mentioned current interruption or disconnection device include contact spring, are designed to described
The static contact and moving contact of open circuit or disconnection device provide the pressure between static contact and moving contact, also, these after being closed
The compression/de-compression stage of contact spring is used to activate disconnecting switch.
According to another feature, the current interruption or disconnection device include vacuum box.
According to another feature, before current interruption or disconnecting the contact opening of device, contact spring decompresses,
Instruct second device a contact part open so that when this decompression phase terminated and it is described open circuit or interruption dress
The contact put starts to open up, and the separating distance of the contact of second device is enough to bear transient recovery voltage (TRR).
According to another feature, this switchgear includes two different motions, is respectively used to two electric devices,
The motion is mechanically connected in the referred to as operating shaft of the contact of the electric device of first device, and two motions are opposite
Different reduction ratio is provided in the axis.
According to special characteristic, the driving actuating unit of disconnecting switch has been completed, to simplify disconnecting switch relative to institute
State the rotary motion of the operating shaft of breaker.
According to another feature, the driving actuating unit of the contact of the first device is designed at the end of closing stroke
Increase reduction ratio, to have big angular travel at the end of closure, for disconnecting switch to be instructed to correspond to contact spring
Small compression travel.
According to another feature, the increase of reduction ratio is by that will be hingedly connected to being known as the referred to as bar of the second bar
The component that the bent axle of third bent axle is formed is moved towards dead point across line.
According to another feature, this equipment includes such device, which causes at the end of the opening operation of equipment,
Operating device opens the contact of first device so that the rotational steps of disconnecting switch are minimum.
According to special characteristic, what these devices included including being hingedly connected to the referred to as bar of the first bar is known as the
The component of the bent axle of three-crankshaft is moved towards dead point across line.
According to special characteristic, this equipment includes such device, which is used for the compression rank in contact spring
The big rotation of operating shaft being provided during Duan Fasheng, to perform the closure of equipment so that being fully rotatable for disconnecting switch can realize, with
Reach the distance born needed for transient recovery voltage.
According to another feature, this equipment is instructed by operating device, which includes being known as the bent axle of the second bent axle,
Second bent axle is rotatably fixed in the operating shaft of the first electric device, and the bent axle is hingedly connected to referred to as the second bar
Bar one of end on, another end of second bar is hingedly connected to the bent axle of referred to as third bent axle
One of end on, the third bent axle be rotatably fixed to around frame be known as fixed third pivotal pin pivotal pin rotation
On the axis for turning installation, and the other end of the third bent axle is hingedly connected on the referred to as bar of the first bar, first bar
Being known as on the bent axle of the first bent axle for the disconnecting link of support disconnecting switch, referred to as the first bent axle are hingedly connected to through the other end
The bent axle around frame be known as fixed first pivotal pin pivotal pin rotatably install, the rotation quilt of the axis
Releasable locking system is prevented, when the manually or automatically opening operation of equipment occurs, can rotate.
According to another feature, breaking or interruption means includes the supporting rod of its moving contact, which is fixedly secured
Onto sheath, which includes two loading ends, and contact spring is set around the sheath, and the spring installation claims on the one hand
Between the first disk and another aspect for top disc are known as the disk of bottom plate, the top disc is mounted on the first carrying of the sheath
Between face and spring, the bottom plate is mounted between this spring and bar, and the bar is rotated relative to the bar of referred to as the second bar
It installs and is slidably installed around the sheath, the bar is pressed respectively against via two opposite flat parts on the referred to as disk of bottom plate
On the second loading end of the sheath.
According to another feature, it is medium-voltage distribution equipment.
Description of the drawings
But other advantages and features of the present invention will be from the detailed description only provided for illustrative purposes with reference to the accompanying drawings
In become apparent from understanding, in figure：
Fig. 1 schematically shows the electric switch equipment according to particular implementation of the present invention, and the equipment, which is in, is closed position
It puts；
Fig. 2 is the view identical with previous view, this switchgear is in an open position；
Fig. 3 is that the switchgear, which is in, to be closed according to the side view of the switchgear of particular implementation of the present invention
Position；
Fig. 4 is the view identical with previous view, and a part for mechanism has been removed, and is being contacted to become apparent from understanding
Mechanical connection at compression spring position；
Fig. 5 is the side view identical with Fig. 3, the closed position of open position and box in disconnecting switch；
Fig. 6 is the identical view of Fig. 4, in the position of switchgear shown in fig. 5；
Fig. 7 is the identical view of Fig. 5, the open position in disconnecting switch and box；
Fig. 8 is the local perspective view for the part for showing the switchgear, without box and disconnecting switch；And
Fig. 9 and 10 is Liang Ge partial cross section views, shows the machine between the supporting rod of the moving contact of box and the bent axle of polar axis
Tool connects.
Specific embodiment
In fig 1 and 2, it can be seen that electric multipole motor switchgear, the switchgear are matched for each pole including two
Electroplax 1,2, the two distribution boards are parallel to be installed and is electrically connected in side on the first bus-bar 1a, and is connected in opposite side
On second bus-bar b.
First distribution board 1 on right side includes vacuum circuit breaker 3 in this particular implementation in figure, which breaks
Road device 3 includes vacuum box 4, and vacuum box 4 is connected with disconnecting switch 5, and there are two positions, respectively closed position for disconnecting switch tool
And earthing position.
The second distribution board positioned at the left side of the first distribution board includes disconnecting switch, which has there are two position,
Respectively closed path flow locations and open position.
The two distribution boards are mechanically connected, and to follow specific sequence, this will be described in detail below.
In Fig. 1, equipment is in the close position, since breaker and disconnecting switch are closed, two closings of circuit, and specified electricity
Stream distributes in two distribution boards.
In order to be moved to open position, the disconnecting switch 5 of the second distribution board is switched on first so that circuit all turns to
To the breaker 3 of the first distribution board.
When this opening occurs, the ample clearance distance for the contact 6,7 for reaching disconnecting switch 5 is needed so that work as open circuit
Contact 8,9 is initially separated when thereby turning off electric current, when establishing transient recovery voltage without therewith at the position of disconnecting switch
And the dielectric breakdown come.
On the contrary, when occurrence of equipment is moved to closed position, the first vacuum box 4 must be closed, and flow through these to establish
The electric current of device, and then disconnecting switch 5 must be closed, for electric current to be assigned in two distribution boards 1,2.
Equipment according to the present invention has operating device to control, which causes the vacuum box 4 of disconnecting switch 5
Contact 8,9 with 6,7 can be driven by the individual part of operator, to ensure aforesaid operations step.
In Fig. 3 to 7, the disconnecting switch 5 of the disconnecting link 10 including moving contact and the composition of fixed column 11 for representing static contact is
Through being shown on the left of figure.
This disconnecting link 10 is supported by bent axle 12, which is referred to as the first bent axle, around referred to as fixed first pivot
The pivotal pin (X) shipped and resell on another market rotatably coordinates, which belongs to the frame of equipment.
Circuit breaker box 4 shows that the box includes substantial cylindrical shell in known manner, this is outer on the right side of figure
Shell is included relative to the fixed static contact 8 of the shell and the moving contact 9 supported by bar 13, the moving contact along the box axis
Line moves, and the bar 13 includes engagement pad 14 in one end, and is mechanically connected to referred to as the second bent axle through its opposite end
On bent axle 15, which is fixedly attached in the axis A of referred to as polar axis or the operating shaft of box, and the axis supports specific quantity
Bent axle, this quantity is corresponding with the quantity of the pole of switchgear.This polar axis A rotatably coordinates around pivotal pin Y,
Pivotal pin Y is fixed relative to the frame of switchgear.
These be known as in the bent axle of the second bent axle 15 each include rotating fixed end 15a and machinery with polar axis
The opposite end 15b being connected on the control-rod of the moving contact of equipment.For this purpose, form local toggle (toggle joint)
Bar 16 hingedly cooperation in the opening of this end set of bent axle 15, this bar 16 include two opposite flat part 16a,
16b, sheath 17 are slidably mounted on the inside of this bar 16, and across this bar, which includes the tubulus 18 of a taper,
And the control-rod 13 of the moving contact 9 of box 4 is fitted in 18 inside of hole and screw threads for fastening.It is also seen that this sheath 17 includes
Two parts 19,20 of the magnifying diameter of two loading ends 21,22 are respectively formed in two opposite end.
The disk that this sheath 17 is combined with referred to as the first disk 23 is also about, which includes surface 23a, which is pressed in sheath 17
One in above-mentioned loading end 21,22 is referred to as on first surface 21, another surface 23b of disk is as loading end, for connecing
One of end 24a of touch pressure spring 24, the contact spring 24 are pressed in via its opposite end 24b around sheath 17
Installation is known as on the disk of the second disk 25, and on a 16a being pressed in the flat part of above-mentioned toggle, and toggle is another flat
Smooth portion 16b is designed to be pressed on the referred to as loading end of the second loading end 22 of sheath.
The referred to as bent axle of the bent axle of the first bent axle 12 and referred to as the second bent axle 15 is mechanically connected by mechanical component, the machinery
Component includes the bar for being known as the first bar 25, which is connected to referred to as the first bent axle via one end thereof in articulated manner
It on 12 bent axle, and is connected on referred to as one of end of the bent axle of third bent axle 26 in its opposite end, this
Three-crankshaft 26 is fixedly secured on axis, and the axis is around the pivotal pin rotation installation for being known as third pivotal pin Z, third pivotal pin Z
It is fixed relative to the frame of equipment.This bent axle for being known as third bent axle 26 is also hingedly connected to via its other end
Referred to as on one of end of the bar of the second bar 27, which is hingedly connected to referred to as via its other end
On the bent axle of two bent axles 15, which is fixedly attached on polar axis A.
The behaviour of electric switch equipment previously described and corresponding to particular implementation of the present invention is described with reference to the accompanying drawings
Make the mode of operation of device.
In figures 3 and 4, operating device is in the close position, and the disconnecting link 10 of the disconnecting switch 5 is closed in fixed column 11,
And the static contact 8 and moving contact 9 of box 4 are closed.In this position, the operating shaft A of breaker 3 is blocked system and is latched, should
Locking system prevents the operating shaft A of the breaker to be driven in rotation, the opening bullet due to the unshowned effect for opening spring
Spring is equipped around contact spring 24, these springs are further pressed against in above-mentioned bottom plate 25.In this position, contact spring
24 and the opening spring of mechanism of breaker 3 compressed, and referred to as the bent axle of the second bent axle 15 is in upper position.
When opening operation occurs, the blocking device of the operating shaft A of breaker 3 is released from, this leads to contact spring
24 can decompress in the first stage, and at the same time they are pressed via the dish driving for being known as bottom plate 25 being pressed on toggle 16
Be known as the second bent axle 15 bent axle rotate clockwise, which is fixedly attached on the referred to as bent axle of the second bent axle 15.It borrows
Help the bar of referred to as the second bar 27, this bent axle for being known as third bent axle 26 for leading to be fixedly attached in operating shaft revolves clockwise
Turn, thus lead to the referred to as bar of the first bar 25 and support the rotation of the bent axle for being known as the first bent axle 12 of disconnecting link 10, this is suitable
Thus conterclockwise rotation leads to the partially open of the moving contact 10 of disconnecting switch 5.In the disconnecting switch 5 shown in Figures 5 and 6
This partially open position, the separating distance of isolation switch contact are enough to maintain transient recovery voltage, this is in disconnecting switch
Voltage that the end of contact is established and be the voltage established in the closure that electrical equipment then occurs in the end of box.Claiming
In this rotary course of bent axle for the second bent axle 15, these bent axles drive the driving of the moving contact 8 of box to do 13 not yet,
In this motion process, drive disk 25 is translatable spring 24 along sheath 17, this movement is transmitted to bar by this disk 25
16, but this component has moved, without reaching positioned at the bottom of sheath and by second loading end 22 that is known as of sheath 16
The edge that loading end is formed.In this stage of the operation of mechanism, the mechanism that is also pressed on the referred to as disk of bottom plate 25 is beaten
It opens spring to will take over and drive polar axis A and bent axle 15 in the clockwise direction, this leads to the movement of bar 13, and therefore leads to box 4
Contact 8,9 open, position as shown in Figure 7.
The disconnecting link that this movement of bent axle will be transmitted to disconnecting switch by means of previously described motion.
When the reversed closed operation of occurrence of equipment, the closing spring of mechanism drives polar axis A and title in the counterclockwise direction
For the bent axle of the second bent axle 15, this causes to compress contact bullet via the second loading end 22, bar 16 and bottom plate 25 of sheath 17
Spring 24.Then closing force is transmitted to box 4 by these springs 24 via another loading end 21 of the referred to as disk of top disc 23 and sheath 17
Moving contact 9 drive rod 13.This rotary motion of these bent axles 15 also causes to be known as by means of being known as the bar of the second bar 27
The counter clockwise direction rotation of the bent axle of third bent axle 27, and the song for leading to referred to as the first bent axle 12 by means of being known as the bar of the first bar
The counter clockwise direction rotation of axis, this leads to the closure of the contact 8,9 of disconnecting switch 5, position as shown in Figures 3 and 4.
The length of bar and bent axle so selects so that during this compression stage of contact spring 24, operation
The rotation of axis A so that being fully rotatable for moving contact of disconnecting switch 5 can be realized, must reach when being opened with reaching away from
From to keep transient recovery voltage.
Especially in figure 3 it will be appreciated that the drive motion mechanism of breaking contact 8,9 has been carried out, to increase closed
Reduction ratio at the end of.This by the end of closure in the referred to as bar of the second bar 27 and the referred to as song of third bent axle 26
The movement towards dead point across line L is generated between axis and is achieved.
The drive motion mechanism of disconnecting switch 5 is by simplifying this wide-angle stroke of polar axis, so that keeping apart
The rotation of pass can be subjected to transient recovery voltage to be achieved.
At the end of the opening operation of disconnecting switch 5, these motions are so realized, i.e.,：At the end of opening operation,
Dead point also close to the referred to as bent axle of third bent axle 26 and referred to as between the bar of the first bar 25 passes through line M, so that control dress
Breaking contact can be opened by putting so that the rotation of disconnecting switch is minimum.The disconnecting switch 5 that this dead point passes through line to be also can be by
Leniently stop, thus prevent the latter from acutely being vibrated at the end of opening, this can lead to having for control device at the end of opening
Harmful rotary motion.
Thus operation of the apparatus according to the invention device has been designed such that realizes two kinds for each electric device
Different motions, each device for mechanical are connected on the output shaft of the operating device of breaker, and reduction ratio is in two movements
Different between mechanism, these reduction ratio are determined by the length ratio between different bars and bent axle.
The present invention thus, it is possible to realize such mechanical device, the mechanical device enable tripper and disconnect device
Parallel arrangement, to be manipulated in single operation, the disconnection device of the device must be first turned on, so that all electric currents are turned to
To tripper, and the disconnection device of the device must be finally closed, since this is avoided having manufacture capacity, so as in circuit
Be closed via disconnect device perform after shift tripper one part of current.This device to disconnect filling for device
The clearance distance divided can be ensured that, to keep transient recovery voltage before breaking contact starts operation, this is to pass through profit
It is realized with the compression/de-compression stage of the contact spring of triggering disconnecting switch.
This equipment enables two electric devices to pass through a friendship relative to another in terms of opening and closing
It is wrong and operate, there is such motion, that is, the movement that pivot link is formed, which will not be interrupted, (does not have non-loaded stroke
Space), therefore, any impact will not be generated.
This equipment enables two electric devices one relative to another functional interleaving, this is by rigidity and reliable
Movement link ensure.
This equipment can also ensure that the state of two kinds of different electric devices be consistent (one do not open if another
It cannot open).
It ensure that ipsec reliable mode IPSEC of the position of two electric devices relative to the position of control system.
It is various to improve what nature was all possible to.The quantity of module is not limited to three.The present invention also applies the two poles of the earth, four
Pole or even sextupole or octupole box, driving mechanism can be any kind of, pole, have different closures and open spring, tool
There is single spring or with the single spring that can be closed and open.
Claims (11)
1. a kind of controller switching equipment, which is designed between two parts of circuit, at least to perform
Between the two parts streaming current and under electrical fault conditions interruptive current function,
It is characterized in that, it includes being known as the electrical open of first device (3) or interruption means and the referred to as electricity of second device
Gas isolating device (5), first device and second device are in parallel, respectively in the open position of controller switching equipment and closed position, first
Device and second device can take first position and the second position, and the opening and closing of the first and second devices are by the first dress
(3) control is put, and when controller switching equipment is moved from closed position to open position, the contact (6,7) of isolating device (5) is first
It opens, electric arc and arc voltage is generated between its contact so that electric current is substantially all to be diverted into open circuit or interruption means
(3), before the contact (8,9) of open circuit or interruption means (3) is opened, the opening of the contact (6,7) of isolating device (5) continues,
Until between the contact in the isolating device obtain ample clearance until, so as to when isolating device contact end and
When establishing transient recovery voltage in the end of the box of first device during the closure that controller switching equipment then occurs, prevent in isolating device
Position at any thing followed dielectric breakdown, which includes following device, and the device is from open position to closing
The electric device for being closed referred to as first device (3) during the movement of position first is closed, to establish the electric current flowing by first device,
Then second device (5) is closed, so that electric current is dispensed in above-mentioned first and second device (3,5),
Two different motions are respectively provided with to the first and second devices (3,5), the motion is mechanically connected to title
In the operating shaft (A) of the contact of electric device for first device (3), the two motions are provided relative to the operating shaft
Different reduction ratio,
It includes following device, which is used for will be by being hingedly connected to be known as on the bar of referred to as the second bar (27)
The component that the bent axle (26) of third bent axle is formed is mobile towards the dead point of the component across line (L), thus terminates in closing stroke
Shi Zengjia reduction ratio has big angular travel, for instructing isolating device (5) corresponding to contact bullet at the end of closure
The small compression travel of spring (24).
2. equipment as described in claim 1, which is characterized in that the device for being known as first device by breaker or has
First device (3) formation of at least two positions, described two positions are respectively closing device and device for opening, and second device
It is formed by isolating device (5), there are at least two positions, respectively closed position and open position.
3. the equipment as described in any one of claim 1 to 2, which is characterized in that above-mentioned current interruptions or tripper (3) packet
Contact spring (24) is included, which is designed to the static contact in the interruption or tripper (3) and moves
Contact (8,9) provides contact, and compression/solution of these contact springs (24) after being closed between these contacts
Compression stage is used to trigger isolating device (5).
4. the equipment as described in any one of the claims 1-2, which is characterized in that the current interruptions or tripper
(3) including vacuum box (4).
5. equipment as claimed in claim 3, which is characterized in that it includes control device, which passes through contact
The decompressed instruction of spring (24), and before the contact of current interruptions or tripper (3) (8,9) opening, these controls
Device instruction second device (5) contact open a part so that when this decompression phase terminated and it is described open circuit or
The contact (8,9) of interruption means (3) starts to open up, and the distance for separating the contact (6,7) of the second device (5) is enough to bear
Transient recovery voltage.
6. equipment as claimed in claim 2, which is characterized in that two differences are respectively provided with to the first and second devices (3,5)
Motion, the motion is mechanically connected to the operating shaft (A) of the referred to as contact of the electric device of first device (3)
On, the two motions provide different reduction ratio, and the drive motion machine of isolating device (5) relative to the operating shaft
Structure is implemented as simplifying rotary motion of the isolating device (5) relative to the operating shaft (A) of breaker.
7. equipment as claimed in claim 6, which is characterized in that it includes following device, which is used to make to include cutting with scissors
The mode of connecing is connected to the component of the bent axle for being known as third bent axle (26) on the bar of referred to as the first bar (25) towards the dead of the component
Point is mobile across line (M) so that at the end of the opening operation of equipment, operating device open first device (3) contact (6,
7) so that the rotational steps of isolating device (5) are minimum.
8. such as the claims 1-2, the equipment described in any one of 6,7, which is characterized in that it is instructed by operating device, should
Operating device includes being known as the bent axle of the second bent axle (15), which is rotatably fixed to the operation of first device (3)
On axis (A), on one of end of bar that second bent axle (15) is hingedly connected to referred to as the second bar (27), institute
Another end for stating the second bar (27) is hingedly connected to one of end of the referred to as bent axle of third bent axle (26)
On, which is rotatably fixed to the pivotal pin for being known as fixed third pivotal pin (Z) the rotation installation around frame
Axis on, and the other end of the third bent axle (26) is hingedly connected on the bar of referred to as the first bar (25), this first
Bar (25) is hingedly connected to the song for being known as the first bent axle (12) of the disconnecting link (10) of support isolating device (5) through the other end
On axis, the bent axle of referred to as the first bent axle (12) is rotated freely around the pivotal pin for being known as fixed first pivotal pin (X) of frame
Ground is installed, and the rotation of the axis of the pivotal pin for being known as fixed third pivotal pin (Z) the rotation installation around frame can be released
The locking system put is prevented, when the manually or automatically opening operation of equipment occurs, can rotate.
9. such as the claims 1-2, the equipment described in any one of 6,7, which is characterized in that it is instructed by operating device, should
Operating device includes being known as the bent axle of the second bent axle (15), which is rotatably fixed to the operation of first device (3)
On axis (A), on one of end of bar that the bent axle (15) is hingedly connected to referred to as the second bar (27), described
Another end of two bars (27) is hingedly connected on referred to as one of end of the bent axle of third bent axle (26), should
Third bent axle (26) is rotatably fixed to the axis of the pivotal pin for being known as fixed third pivotal pin (Z) the rotation installation around frame
On, and the other end of the third bent axle (26) is hingedly connected on the bar of referred to as the first bar (25), first bar
(25) bent axle for being known as the first bent axle (12) of the disconnecting link (10) of support isolating device (5) is hingedly connected to through the other end
On, the bent axle of referred to as the first bent axle (12) surrounds the pivotal pin for being known as fixed first pivotal pin (X) of frame rotatably
Installation, the rotation of the axis of the pivotal pin for being known as fixed third pivotal pin (Z) the rotation installation around frame are releasable
Locking system prevented, when the manually or automatically opening operation of equipment occurs, can rotate；And it includes such
Device, which is used to provide the big rotation of operating shaft (A) when the compression stage of contact spring (24) occurs, to perform
The closure of equipment so that isolating device (5), which can be realized, to be fully rotatable, to reach the distance born needed for transient recovery voltage.
10. such as the claims 1-2, the equipment described in any one of 6,7, which is characterized in that the current interruption or interruption
Supporting rod (13) of the device (3) including its moving contact (9), the supporting rod (13) are fixedly attached on sheath (17), the sheath (17) packet
Two loading ends (21,22) are included, and contact spring (24) is set around the sheath, spring (24) installation is on the one hand
Referred to as the first disk (23) of top disc and another aspect is known as between the disk of bottom plate, and the top disc is mounted on the sheath (17)
The first loading end (21) and spring (24) between, the bottom plate be mounted between this spring (24) and item (16), it is described
Item (16) is installed relative to the bar rotation of referred to as the second bar (27) and is slidably installed around the sheath (17), item (16) warp
It is pressed respectively against on the referred to as disk of bottom plate and the second loading end of the sheath (17) by two opposite flat parts (16a, 16b)
(22) on.
11. such as the claims 1-2, the equipment described in any one of 6,7, which is characterized in that it is medium-voltage distribution equipment.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR11/02930 | 2011-09-27 | ||
| FR1102930A FR2980633B1 (en) | 2011-09-27 | 2011-09-27 | MEDIUM VOLTAGE POWER DISTRIBUTION APPARATUS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103021728A CN103021728A (en) | 2013-04-03 |
| CN103021728B true CN103021728B (en) | 2018-06-15 |
Family
ID=46800148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210369372.2A Active CN103021728B (en) | 2011-09-27 | 2012-09-27 | Medium-voltage distribution equipment |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2575155B1 (en) |
| CN (1) | CN103021728B (en) |
| FR (1) | FR2980633B1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013207436B4 (en) * | 2013-04-24 | 2021-06-02 | Siemens Aktiengesellschaft | Drive for a switching device and a switching device with such a drive |
| CN103489704B (en) * | 2013-09-25 | 2015-12-16 | 苏州朗格电气有限公司 | A kind of vacuum circuit breaker operating device |
| FR3015107B1 (en) * | 2013-12-17 | 2015-12-25 | Schneider Electric Ind Sas | DEVICE FOR CONTROLLING THE GROUNDING OF A MEDIUM VOLTAGE ELECTRICAL PROTECTION EQUIPMENT CONSISTING OF AT LEAST TWO ELECTRICAL PROTECTION DEVICES |
| US9679724B2 (en) | 2015-07-13 | 2017-06-13 | Eaton Corporation | Component for electric power system, and contact assembly and open air arcing elimination method therefor |
| CN109326486A (en) * | 2018-11-30 | 2019-02-12 | 浙江华仪电器科技有限公司 | A kind of switch simple drive mechanism of delays time to control |
| CN118352205A (en) * | 2024-06-17 | 2024-07-16 | 浙江正泰电气科技有限公司 | Combined structure of breaker and isolating switch and switch cabinet |
| CN118398432A (en) * | 2024-06-25 | 2024-07-26 | 浙江正泰电气科技有限公司 | Load switch and ring main unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1126362A (en) * | 1965-07-06 | 1968-09-05 | Ass Elect Ind | Improvements in and relating to electric circuit breakers |
| US4617435A (en) * | 1984-08-28 | 1986-10-14 | Kabushiki Kaisha Toshiba | Hybrid circuit breaker |
| US5155315A (en) * | 1989-12-11 | 1992-10-13 | Merlin Gerin | Hybrid medium voltage circuit breaker |
| CN1089389A (en) * | 1992-11-26 | 1994-07-13 | 梅兰日兰公司 | The open-and-close mechanism of mesohigh electric switch |
| CN1148255A (en) * | 1995-10-13 | 1997-04-23 | 费尔腾和古伊勒奥梅能源股份公司 | Current circuit breaker |
| CN1291816A (en) * | 1999-10-07 | 2001-04-18 | Lg产电株式会社 | Gas insulating switch device |
| CN101385108A (en) * | 2006-02-22 | 2009-03-11 | 西门子公司 | Electrical switching device |
| CN101969006A (en) * | 2010-08-19 | 2011-02-09 | 中国电力科学研究院 | Method for improving converted current switching capability of ultra-high voltage alternating current open isolating switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2940516B1 (en) | 2008-12-18 | 2012-09-28 | Schneider Electric Ind Sas | MEDIUM VOLTAGE POWER DISTRIBUTION CELL |
-
2011
- 2011-09-27 FR FR1102930A patent/FR2980633B1/en active Active
-
2012
- 2012-09-07 EP EP12306078.2A patent/EP2575155B1/en not_active Not-in-force
- 2012-09-27 CN CN201210369372.2A patent/CN103021728B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1126362A (en) * | 1965-07-06 | 1968-09-05 | Ass Elect Ind | Improvements in and relating to electric circuit breakers |
| US4617435A (en) * | 1984-08-28 | 1986-10-14 | Kabushiki Kaisha Toshiba | Hybrid circuit breaker |
| US5155315A (en) * | 1989-12-11 | 1992-10-13 | Merlin Gerin | Hybrid medium voltage circuit breaker |
| CN1089389A (en) * | 1992-11-26 | 1994-07-13 | 梅兰日兰公司 | The open-and-close mechanism of mesohigh electric switch |
| CN1148255A (en) * | 1995-10-13 | 1997-04-23 | 费尔腾和古伊勒奥梅能源股份公司 | Current circuit breaker |
| CN1291816A (en) * | 1999-10-07 | 2001-04-18 | Lg产电株式会社 | Gas insulating switch device |
| CN101385108A (en) * | 2006-02-22 | 2009-03-11 | 西门子公司 | Electrical switching device |
| CN101969006A (en) * | 2010-08-19 | 2011-02-09 | 中国电力科学研究院 | Method for improving converted current switching capability of ultra-high voltage alternating current open isolating switch |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2575155A1 (en) | 2013-04-03 |
| FR2980633A1 (en) | 2013-03-29 |
| FR2980633B1 (en) | 2013-09-06 |
| EP2575155B1 (en) | 2019-09-04 |
| CN103021728A (en) | 2013-04-03 |
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