CN103187201B - Vacuum circuit breaker with interlock apparatus - Google Patents
Vacuum circuit breaker with interlock apparatus Download PDFInfo
- Publication number
- CN103187201B CN103187201B CN201210159162.0A CN201210159162A CN103187201B CN 103187201 B CN103187201 B CN 103187201B CN 201210159162 A CN201210159162 A CN 201210159162A CN 103187201 B CN103187201 B CN 103187201B
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- CN
- China
- Prior art keywords
- interlocking lever
- breaker
- interlock
- vacuum circuit
- interlocking
- Prior art date
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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
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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
- H01H33/46—Interlocking mechanisms
- H01H33/48—Interlocking mechanisms for interlocking between casing or cover and mechanism for operating contacts
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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
- H01H33/662—Housings or protective screens
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/18—Switchgear having carriage withdrawable for isolation with isolation by vertical withdrawal
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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
- 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
Abstract
The present invention relates to a vacuum circuit breaker having an interlock device, and the vacuum circuit breaker may include: a circuit breaker main body having a vacuum interrupter and a drive shaft for opening or closing the vacuum interrupter; a transferring device configured to transfer the breaker main body; and an interlocking device arranged between the circuit breaker main body and said transfer device for interlocking the rotational position of the shaft lock or release said transfer device, wherein said interlock device comprises: a interlocking lever disposed at the drive shaft; an interlocking bar arranged on one side of the interlock lever in a moving up and down manner; and a latch member, which is inserted between the interlocking lever and the interlocking bar to be interlocked at a rotational position to limit the up and down movement of the interlocking bar. With this arrangement, damaged parts can be suppressed and the reliability of operation can be enhanced.
Description
Technical field
The present invention relates to a kind of vacuum circuit-breaker with interlock, particularly relate to a kind of suppression component can damage and strengthen the interlock of operating reliability.
Background technology
As everyone knows, vacuum circuit-breaker is for extinguishing when switching the fault current in normal load and cut-out vacuum circuit-breaker unit or vacuum interrupter (it the is so-called VI) electric arc that produces with the device for circuit and unit protection of rapid buffer circuit.
According to Setup Type, this vacuum circuit-breaker can be divided into be arranged as fixing fixed circuit breaker and be arranged as to be drawn into relative to bracket or to pull out can draw-out type breaker.In these two kinds of circuit breakers, type vacuum circuit-breaker can be extracted out and be widely used due to the convenience of testing and safeguard.
Can extract type vacuum circuit-breaker out can comprise: switching mechanism, it is for disconnecting or closed circuit; Breaker body, it terminal comprising control device and represent overcurrent relay; And bracket, it has terminal, and this terminal can be connected to external power source side or load-side and connects based on the drawing in position, test position or pull-out location of breaker body with the described terminal of breaker body or be separated.
Fig. 1 is the stereogram of the breaker body of the vacuum circuit-breaker illustrating prior art, and Fig. 2 is the partial enlarged drawing of the closed structure of the vacuum interrupter illustrated in Fig. 2, and Fig. 3 is the figure of the disconnection structure illustrated in Fig. 2.
As shown in Figure 1 to Figure 3, vacuum circuit-breaker can comprise: bracket, and it is not shown in the drawings; Breaker body 10, its multiple vacuum interrupters 20 that there is movement and connect with bracket or be separated; And draw in/pulling off device or conveyer (hereinafter, referred to " conveyer 30 "), it is constructed to draw in or pull out breaker body 10.
Bracket can comprise busbar terminal and be connected to the face terminals of busbar and load respectively.
Breaker body 10 can comprise the vacuum interrupter 20 for every phase; And switching mechanism 25, it is constructed to closed or disconnects vacuum interrupter 20.As is well known, switching mechanism 25 can comprise driving shaft 27, multiple connecting rod (not shown), spring (not shown), cam (not shown) etc.
Each vacuum interrupter 20 can comprise: vacuum tank 21; Fixed contactor 22, it is fixed and is arranged on vacuum tank 21 place; And active type contactor 23, it is the mode of relative movement can be arranged on vacuum tank 21 and sentence and to connect with fixed contactor 22 or be separated.
The active type contactor 23 of each vacuum interrupter 20 can be driven by switching mechanism 25 simultaneously, to connect with corresponding fixed contactor 22 or to be separated.
Switching mechanism 25 can comprise the driving shaft 27 being constructed to rotate between make position and open position.
Any one in fixed contactor 22 and active type contactor 23 can comprise the bus bar junctions 28 of the busbar terminal being connected to bracket, and wherein another can comprise the load connection 29 of the face terminals being connected to bracket.
Transmit between the separation point position (or test position) that the downside that conveyer 30 can be arranged on breaker body 10 is separated with bracket with the link position connected with bracket in breaker body 10 (or run location) and breaker body 10.
Conveyer 30 can comprise framework 31, and along the conveyor screw 41 that the drawing in of breaker body 10/pull-out direction is arranged.Framework 31 can comprise handle 33 and multiple wheel 35.Due to this layout, the movement of framework 31 can be performed efficiently.
Combine with handle (not shown) with end (such as leading section) place rotatably driving the handle junction surface 37 of conveyor screw 41 can be arranged on conveyor screw 41.
Meanwhile, for interlocking in the closed of breaker body 10 or disconnection, the interlock 50 of restriction and release conveyer 30 can be arranged between breaker body 10 and conveyer 30.
Interlock 50 can comprise: interlocking lever 51, and it is arranged on driving shaft 27 place; And interlocking lever 55, it is arranged in the side of interlocking lever 51 in the mode that can move up and down.
Interlocking lever 55 can be constructed to move down at it movement that period suppresses breaker body 10, and allows the movement of breaker body 10 in its period that moves up.
It is bending so that the plate 57 extending to the side of interlocking lever 51 in the upward direction can be arranged on the upper end of interlocking lever 55.
Interlocking lever 51 can be arranged in the upside of plate 57.More specifically, interlocking lever 51 can be combined with driving shaft 27, and interlocking lever 51 turns round in a downward direction when driving shaft 27 rotates make position extremely as shown in Figure 2, and consequently, its end can be arranged in the upside place of plate 57.Due to this layout, moving up of interlocking lever 55 can be suppressed.
When driving shaft 27 rotates open position extremely as shown in Figure 3, interlocking lever 51 can rotate to be separated with plate 57 in the upward direction, and consequently, interlocking lever 55 can move up and not contact with interlocking lever 51.
But, in this vacuum circuit-breaker in the prior art, the interlocking lever 51 of interlock 50 can be constructed to suppressing the suppression position (make position) moved up of interlocking lever 55 and allowing rotation between its permission position (open position) moved up in the side of interlocking lever 55.Consequently, when interlocking lever 51 and contacting with a part (plate 57) for interlocking lever 55, damage or the distortion of interlocking lever 51 and/or interlocking lever 55 may be caused.Because this point, can not suppress to interlock moving up of lever 51, thus reduce the reliability of operation.
Summary of the invention
The disclosure is intended to solve the problem, and object of the present disclosure is that providing a kind of has and suppression component can damage and strengthen the vacuum circuit-breaker of the interlock of operating reliability.
In order to realize above-mentioned target of the present invention, provide a kind of vacuum circuit-breaker with interlock, described vacuum circuit-breaker can comprise: breaker body, and it has vacuum interrupter and the driving shaft for disconnecting or close described vacuum interrupter; Conveyer, it is constructed to transmit described breaker body; And interlock, it is arranged on to interlock position of rotation in described driving shaft and locking or discharge described conveyer between described breaker body and described conveyer, and wherein said interlock comprises: the interlocking lever being arranged on described driving shaft place; Interlocking lever, it is arranged in the side of described interlocking lever in the mode that can move up and down; And latch, it is plugged between described interlocking lever and described interlocking lever and limits moving up and down of described interlocking lever with the position of rotation interlocked in described interlocking lever.
Here, described latch can be formed as the rotation that interlocks in described interlocking lever and can rotate.
Described latch can comprise: main body; Be arranged on the rotating shaft at described main body place; And in the side of described main body outstanding pin.
Described interlocking lever can comprise the pin holding part of the part for accommodating pin.
Described pin holding part can be the length slit corresponding with the relative movement path of described pin.
Described main body can comprise main shaft portion and time axis portion, and described main shaft portion has relatively long radius around described rotating shaft, and described axis portion has relatively short radius compared with described main shaft portion.
Described axis portion can be formed in the side in described main shaft portion along the direction of rotation of described main body, and when described breaker body is placed in closed position, the main shaft portion of described latch can be arranged in the upside of described interlocking lever.
Described interlocking lever can comprise interlock board and interlocking plunger, and described interlock board extends towards described interlocking lever, and described interlocking plunger laterally extends relative to above-below direction.
Described vacuum circuit-breaker may further include: interlocking lever guide, and it is constructed to guide moving up and down of described interlocking lever.
Described conveyer can comprise: framework; Conveyor screw, its direction of transfer along described breaker body is arranged in described framework place; And sliding part, it is the mode of movement slidably can be arranged in the side of described conveyor screw, and wherein, described sliding part comprises recess projection, and described recess projection moves down period at described interlocking lever and contacts to suppress movement of sliding with described interlocking lever.
Accompanying drawing explanation
Be included to provide the accompanying drawing of a further understanding of the present invention to show embodiments of the invention, accompanying drawing is merged in and forms the part of this specification, and itself and specification one are used from explains principle of the present invention.
In the accompanying drawings:
Fig. 1 is the stereogram of the breaker body of the vacuum circuit-breaker illustrating prior art;
Fig. 2 is the partial enlarged drawing of the closed structure of the vacuum interrupter illustrated in Fig. 1;
Fig. 3 is the figure of the disconnection structure illustrated in Fig. 2;
Fig. 4 is the stereogram of the breaker body of the vacuum circuit-breaker illustrated according to embodiment of the present disclosure;
Fig. 5 is the partial enlarged drawing of Fig. 4;
Fig. 6 is the stereogram illustrating conveyor screw in Fig. 5 and sliding part;
Fig. 7 is the end view of Fig. 6;
Fig. 8 is the figure moved up for illustration of the interlocking lever in Fig. 7;
Fig. 9 is the stereogram illustrating the structure that the interlocking lever in wherein Fig. 4 combines with driving shaft;
Figure 10 is the stereogram of the conveyor screw illustrated in Fig. 6;
Figure 11 is the stereogram that the rotation illustrated in Fig. 6 suppresses unit;
Figure 12 is the stereogram of the handle of the conveyor screw illustrated in Fig. 6;
Figure 13 is the stereogram of the sliding part illustrated in Fig. 6;
Figure 14 is the stereogram of the latch illustrated in Fig. 4;
Figure 15 is the exploded perspective view of the interlocking lever illustrated in Fig. 6;
Figure 16 is the stereogram of the interlocking lever guide illustrated in Fig. 6;
Figure 17 is the end view of the disconnection structure of the interlocking lever illustrated in Fig. 4; And
Figure 18 is the end view of the closed structure of the interlocking lever illustrated in Fig. 4.
Embodiment
Hereinafter, embodiments of the invention are described in detail with reference to the accompanying drawings.
As shown in Figure 4 and Figure 5, the vacuum circuit-breaker with interlock according to embodiment of the present disclosure can comprise: breaker body 110, and it has vacuum interrupter 120, and for disconnecting or the driving shaft 126 of closed vacuum interrupter 120; Conveyer 130, it is constructed to transmit breaker body 110; And interlock 180, it is arranged between breaker body 110 and conveyer 130 to interlock position of rotation in driving shaft 126 and locking or release conveyer 130, wherein, interlock 180 comprises: interlocking lever 181, and it is arranged on driving shaft 126 place; Interlocking lever 191, it is arranged in the side of interlocking lever 181 in the mode that can move up and down; And latch 220, it is plugged between interlocking lever 181 and interlocking lever 191 and limits moving up and down of interlocking lever 191 with the position of rotation interlocked in interlocking lever 181.
Breaker body 110 can comprise the every mutually corresponding multiple vacuum interrupters 120 with power supply (such as three-phase).Breaker body 110 can comprise for disconnecting or three vacuum interrupters 120 of closed three-phase power.Each vacuum interrupter 120 can be constructed to be separated from each other in the lateral direction.
Each vacuum interrupter 120 can comprise vacuum tank 121; Fixed contactor 122, it is fixed and is arranged in vacuum tank 121 place; And active type contactor 123, it is the mode of relative motion can be arranged in vacuum tank 121 and sentence and to connect with fixed contactor 122 or be separated.
Breaker body 110 can be arranged relative to the mode of the bracket (not shown) relative movement being connected to busbar or load.Bracket can comprise the busbar terminal (not shown) and face terminals (not shown) that are connected to busbar and load respectively.Here, breaker body 110 can move in the longitudinal direction, and bracket can be arranged in the Background Region of breaker body 110.
Breaker body 110 can comprise the bus bar junctions 128 and load connection 129 that are connected to busbar terminal and face terminals respectively.Bus bar junctions 128 and load connection 129 can be arranged in the Background Region of breaker body 110.Bus bar junctions 128 and load connection 129 can be arranged as and be separated from each other.
Any one in the fixed contactor 122 of breaker body 110 and active type contactor 123 can be connected to bus bar junctions 128, and wherein another can be connected to load connection 129.
Breaker body 110 can comprise the switching mechanism 125 being configured to close or disconnect (tripping operation) each vacuum interrupter 120.Switching mechanism 125 can comprise the driving shaft 126 of each active type contactor 123 for driving each vacuum interrupter 120 simultaneously.First auxiliary electrode 126 can be arranged along the detaching direction of each vacuum interrupter 120 (such as, left and right directions on) in the drawings.
Conveyer 130 for transmitting breaker body 110 can be arranged on the downside place of breaker body 110.Conveyer 130 can be constructed to transmit breaker body 110 between test position (separation point position) and run location (link position).Here, test position can refer under the bus bar junctions 128 of breaker body 110 and load connection 129 are not connected to the busbar terminal of bracket and the state of face terminals, for testing the position of closed and disconnected operation, and run location can refer to that bus bar junctions 128 and load connection 129 are connected to busbar terminal and face terminals with the position of enable conduction.
Conveyer 130 can comprise framework 131, and is arranged in the conveyor screw 141 at framework 131 place along the direction of transfer of breaker body 110.
Framework 131 can comprise handle 133 and wheel 135.Handle 133 can be arranged on the both sides of the front surface portion of framework 131.Wheel 135 can be arranged in the both sides of framework 131 to be separated in the longitudinal direction.Due to this layout, the movable of framework 131 easily can be performed.
Framework 131 can be constructed to combine with the precalculated position of bracket.Framework 131 can typically be constructed to make its left and right end portions all be fixed to the front area of bracket.
Handle insertion section 137 can be arranged in the front area of framework 131, the handle 160 for rotating conveyor screw 141 to be inserted by handle insertion section 137 and with its combination.
Conveyor screw 141 can comprise cylinder-shaped body 143, and is formed in the external thread part 145 at outer surface place of main body 143 as shown in Figure 10.External thread part 145 can be provided with internal thread part (not shown).Due to this layout, if conveyor screw 141 rotates, so internal thread part moves in the longitudinal direction, and therefore, can transmit the breaker body 110 being provided with internal thread part in the longitudinal direction together with internal thread part.
For the front end suppressing the unexpected rotation suppressing portion 146 rotated of conveyor screw 141 can be arranged on the main body 143 of conveyor screw 141.Rotate suppressing portion 146 and can be constructed to have such as hexagonal cross sectional shape.
Handle connection part 148 can be arranged on the front end of conveyor screw 141 to be combined with handle 160.Rotate suppressing portion 146 and can be constructed to the cross section with such as rectangle.
Meanwhile, for suppressing the rotation of the rotation of conveyor screw 141 to suppress unit 150 can be arranged on the front end area place of conveyor screw 141.Due to this layout, conveyor screw 141 can be avoided surprisingly to rotate and running circuit breaker main body 110.
As shown in Fig. 6 and Figure 11, rotate and suppress unit 150 can comprise rotation suppressing portion jack 157, the rotation suppressing portion 146 of conveyor screw 141 inserts this rotation suppressing portion jack 157.Due to this layout, when rotating suppressing portion 146 and injecting in rotation suppressing portion jack 157, the rotation of conveyor screw 141 can be suppressed.Rotate suppressing portion jack 157 and can be set to that there is hexagonal cross sectional shape.
Rotate and suppress unit 150 can comprise the through hole 153 allowing the handle connection part 148 of conveyor screw 141 rotatably to insert.Compared with handle connection part 148, through hole 153 can have the size (diameter) of amplification to allow the rotation of handle connection part 148 during the insertion of handle connection part 148.
More specifically, the front surface panel 151 and rear surface plate 155 that suppress unit 150 to comprise to be arranged as and to be separated from each other with preset distance is rotated.Rotate suppressing portion jack 157 can be formed on rear surface plate 155.Through hole 153 can be formed in front surface panel 151.Bend 156 can be arranged on the side of front surface panel 151, and connection holes 158 can be formed and run through bend 156 with hereafter the sliding part 170 of description is combined.
Rotate and suppress unit 150 can be constructed to move in the longitudinal direction along the length direction of conveyor screw 141.In other words, rotate and suppress unit 150 to have initial position, inject during initial join operation in the rotation suppressing portion 146 of described initial position conveyor screw 141 and rotate in suppressing portion jack 157.Due to this layout, rotate suppressing portion 146 and be inserted in initial position and combine to suppress the rotation of conveyor screw 141 with rotation suppressing portion jack 157.
Rotate and suppress unit 150 can be constructed to move rotation (permission) position of preset distance to the rotation of permission conveyor screw 141 with relative mode from initial position (restriction site) towards the Background Region of conveyor screw 141.In other words, rotate suppression unit 150 can be extruded to move to position of rotation by handle 160 in a rearward direction.Back-moving spring (not shown) can be arranged on to rotate and suppress the side (such as, rear positions) of unit 150 to suppress unit 150 to move to initial position (restriction site) rotation.
As shown in figure 12, the mode that handle 160 can bend is formed.Conveyor screw connection part 162 can be arranged on the side of handle 160 to be combined with conveyor screw 141.
Meanwhile, sliding part 170 rotation being constructed to interlock in movement in the longitudinal direction suppresses unit 150 and moves in the longitudinal direction.
Such as, as shown in figure 13, sliding part 170 can be constructed to have roughly " U " cross-sectional profile, and this shape has two sidewall portions 172 and bottom surface sections 173.
Sliding part 170 can comprise the extension apparatus 174 extended further in the longitudinal direction from sidewall portion 172.Passivating film 174 can suppress unit 150 to combine with rotation.Passivating film 174 can suppress the bend 156 of unit 150 to combine with rotation.Through hole 177 can be arranged on extension apparatus 174 place.Due to this layout, when rotating suppression unit 150 and moving in the longitudinal direction, sliding part 170 can interlock and suppresses unit 150 in rotation and move in the longitudinal direction.On the contrary, when sliding part 170 is suspended, rotates and suppress unit 150 to be limited and to suspend in midair.
The side of sliding part 170 can be arranged on for the interlock 180 of movement limited or discharge sliding part 170.Interlock 180 can be arranged on the upside of sliding part 170.More specifically, interlock 180 can driving shaft 126 closed position suppress sliding part 170 movement with allows rotate suppress unit 150 be placed in restriction site place, thus restriction conveyor screw 141 and therefore suppression breaker body 110 movement.
Interlock 180 can comprise: interlocking lever 181, and it is arranged on driving shaft 126 place; Interlocking lever 191, it is arranged on the side of interlocking lever 181 in the mode that can move up and down; And latch 220, it is plugged between interlocking lever 181 and interlocking lever 191 and limits moving up and down of interlocking lever 191 with the position of rotation interlocked in interlocking lever 181.
As shown in Figure 9, interlock lever 181 can be constructed to give prominence to diametrically from the outer surface of driving shaft 126.Interlocking lever 181 can be arranged on driving shaft 126 and sentence and project upwards in the side contrary with the actuating arm 127 of the active type contactor 123 for driving vacuum interrupter 120.Interlocking lever 181 can combine with driving shaft 126 in a unitary manner, such as, by using welding method etc.Slit 183 can be arranged on interlocking lever 181 place.Slit 183 can be formed as having longer length in the radial direction of driving shaft 126.Such as, slit 183 can towards driving shaft 126 from the predetermined length of end cut of interlocking lever 181 with opening in a forward direction.
The mode that interlocking lever 191 can move up and down is arranged in breaker body 110 place.
More specifically, the mode that interlocking lever 191 can move up and down is arranged on the upside place of sliding part 170.
As shown in figure 15, interlocking lever 191 can be constructed to have such as cylinder form.
The mode that interlocking lever 191 can move up and down is arranged between two sidewall portions 172 of sliding part 170.
The cut upper end that can be arranged on interlocking lever 191 with the interlock board 195 extended towards interlocking lever 181.
Interlocking lever 191 can be provided with the interlocking plunger 197 extended in vertical direction.
Interlock board 195 can comprise: plate shape fixed part 196a, and it contacts with the upper end of interlocking lever 191 and is fixed to the upper end of interlocking lever 191; Connecting portion 196b, it upwards extends from the side of fixed part 196a; And extension 196c, it extends towards interlocking lever 181 in bending mode.
The interlocking plunger 197 arranged in vertical direction relative to interlocking lever 191 can be arranged on interlocking lever 191 place.The lower area that jack 192 can be formed as penetrating interlocking lever 191 inserts wherein to allow interlocking plunger 197.
As shown in figure 13, the recess projection 175 contacted with interlocking plunger 197 can be arranged on sliding part 170 place.Due to this layout, move down period at interlocking lever 191, sliding part 170 movement in the longitudinal direction can be suppressed.
Recess projection 175 can be constructed to cut the predetermined degree of depth downwards from the upside in two sidewall portions 172 of sliding part 170.Here, recess projection 175 can be respectively formed in region, front and back along the length direction of sliding part 170.More specifically, recess projection 175 can be formed as corresponding with test position and run location respectively.Due to this layout, the movement of breaker body 110 can be prevented in the closed position of vacuum interrupter 120.
The side direction portion (front side is to portion) forming recess projection 175 can be formed in an inclined manner.In the closed position of driving shaft 126, handle 160 can be inserted into so that breaker body 110 moves in the forward or backward direction.Now, handle 160 can make rotation suppress unit 150 be squeezed and rearward moving up.Suppress unit 150 to move together with sliding part 170 is in backward directions if rotated, so the front side of recess projection 175 can rearward move up to portion 176.In this process, interlocking plunger 197 can along the front side of recess projection 175 to portion 176, and namely inclined surface 176 moves in an upward direction, and is therefore placed in and is supported on the upper end in two sidewall portions 172 of sliding part 170.Now, suppress unit 150 rearward moving up if rotated, be so released because rotate suppressing portion 146 from rotation suppressing portion jack 157, therefore conveyor screw 141 becomes rotatable state.In addition, if the handle connection part 148 of conveyor screw 141 is inserted into make handle 160 rotate in handle 160, so conveyor screw 141 can rotate along the direction of rotation of handle 160.
For the side guiding the interlocking lever guide 210 moved up and down of interlocking lever 191 can be arranged on interlocking lever 191.
Such as, as shown in figure 16, interlocking lever guide 210 can be constructed to have roughly to fall " U " cross-sectional profile, and it has two vertical wall portion 212 being separated from each other and the connecting portion 214 for connecting two vertical wall portion 212.Here, two vertical wall portion 212 can be separated from each other to have inner width, and sliding part 170 is can the mode of relative movement be contained between this inner width.Containing hole 216 can be formed in connecting portion 214 place, penetratingly can insert wherein to make interlocking lever 191 in the mode that can move up and down.Interlocking plunger containing hole 215 can be formed in vertical wall portion 212 place, penetratingly can insert wherein to make interlocking plunger 197 in the mode that can move up and down.Due to this layout, when sliding part 170 is when rearward moving up, the interlocking plunger 197 extruded by inclined surface 176 can be directed in an upward direction.
Meanwhile, interlock the latch 220 of movement in the interlocking rotation of lever 181 can be arranged between interlocking lever 191 and interlocking lever 181.
Latch 220 can be constructed to suppressing the suppression position moved up of interlocking lever 191 and allowing to move between the permission position moved up of interlocking lever 191.
More specifically, latch 220 can be constructed in suppression position and allow to rotate between position.Such as, as shown in figure 14, latch 220 can comprise main body 221, and is formed in the rotating shaft 223 in the region of main body 221.
The main body 221 of latch 220 can be formed as plate-shaped.
The path that moves up being arranged in interlocking lever 191 sentences the side suppressing the main shaft portion 225 moved up of interlocking lever 191 can be arranged on the main body of latch 220.Secondary axis portion 226 can be arranged on the side in main shaft portion 225 along the direction of rotation of main body 221.Can be constructed so that main shaft portion 225 has the relatively large radius (R1) at the center apart from rotating shaft 223, and secondary axis portion 226 has the relatively little radius (R2) at the center apart from rotating shaft 223.
Latch 220 can be constructed to make main shaft portion 225 be arranged in the upside of interlock board 195 in the closed position of driving shaft 126, and secondary axis portion 226 is arranged in the upside of interlock board 195 at the open position place of driving shaft 126.Due to this layout, moving up of interlocking lever 191 can be suppressed in the closed position of driving shaft 126, and can move up at the open position place interlocking lever 191 of driving shaft 126.In other words, latch 220 can be constructed to suppress moving up of interlocking lever 191 in closed position, and therefore, it is possible to suppress 170 move backward and rotate and suppress the moving backward of unit 150 by interlocking lever 191, and unit 150 can be suppressed to limit conveyor screw 141 by rotating, thus suppress it to rotate and suppress and the connecting of handle 160.Due to this layout, the movement of breaker body 110 can be suppressed.
Connecting pin 227 can be arranged on main body 221 and sentence and separate predetermined distance with rotating shaft 223.Connecting pin 227 can be combined with interlocking lever 181.Due to this layout, latch 220 can interlock the revolution in interlocking lever 181 and rotate around rotating shaft 223.According to above-mentioned structure, even if interlocking lever 181 on a predetermined position side rotates further, interlocking lever 181 also can not contact with interlock board 195 and latch 220 slightly further rotates side on a predetermined position around rotating shaft 223, and therefore can not making contact between generation part.Therefore, the parts damages that the making contact between can suppressing due to parts causes and distortion, thus elongate member life-span and ensure operating reliability.
According to above-mentioned structure, when breaker body 110 is placed in arbitrary place of test position or run location and vacuum interrupter 120 is placed in open position, interlocking lever 181 can be separated with interlocking lever 191 and as shown in Figure 5 to upper rotary to be disposed in off-position place.Now, latch 220 is in the state that main shaft portion 225 is as shown in figure 17 separated with the interlock board 195 of interlocking lever 191, and therefore interlocking lever 191 can move up and not hinder latch 220.
When vacuum interrupter 120 is placed in open position, breaker body 110 can move in the longitudinal direction.The handle 160 at the front side place of unit 150 is suppressed to be extruded in backward directions if rotated, so rotate and suppress unit 150 rearward moving up, and suppress extrude the interlocking plunger 197 of interlocking lever 191 in the front side of the inclination of the recess projection 175 of the sliding part 170 rearward moved up to portion 176 together with unit 150 and make it move up with rotation.Unit 150 is suppressed rearward to move up if rotated, so the restriction of conveyor screw 141 is released, and the handle connection part 148 of conveyor screw 141 combines to make conveyor screw 141 can forward and counter-rotating based on the direction of rotation of handle 160 with handle 160, and therefore breaker body 110 can in forward direction (such as, test position) or backward position (such as, run location) transmitted.
If handle 160 suppresses unit 150 to remove from rotation, so rotate and suppress unit 150 can be restored to initial position by spring unshowned in accompanying drawing.Now, because move to initial position and the downside that therefore by supporting, recess projection 175 can not be placed in interlocking lever 191 is located at sliding part 170, interlocking lever 191 can move down.
In this state, when driving shaft 126 rotates to make position, interlocking lever 181 can be rotated down, and as shown in figure 18, be connected to by connecting pin 227 latch 220 interlocking lever 181 to rotate towards restriction site or lock position (in the clockwise direction on the drawing).
If latch 220 rotates to lock position, so the main shaft portion 225 of latch 220 can be arranged in moving up or down on path of interlocking lever 191.More specifically, the main shaft portion 225 of latch 220 can be arranged as and contact with the upside of interlock board 195.Due to this layout, moving up of interlocking lever 191 can be suppressed.Now, even if use leading section (the conveyor screw connection part 162) extruding of handle 160 to rotate suppress unit 150, recess projection 175 also contacts with the interlocking plunger 197 of interlocking lever 191, thus suppresses moving backward of sliding part 170.Therefore, can suppress to rotate and suppress moving backward of unit 150, and conveyor screw 141 can not be combined with each other with handle 160, thus suppress the rotation of conveyor screw 141.
As described above, according to embodiment of the present disclosure, latch can be plugged in use latch to limit moving up and down of interlocking lever between interlocking lever and interlocking lever, thus the parts damages that suppression is caused by interlocking lever.
In addition, latch can interlock the rotation in interlocking lever and rotate, thus prevents from interlocking the making contact between lever and latch.
In addition, can prevent from interlocking lever, making contact between interlocking lever and latch to suppress the part distortion that caused by making contact and damage, thus strengthens operating reliability.
As described above, illustrate herein and describe specific embodiment of the present invention.But the present invention can be embodied as various embodiment and not depart from design of the present invention or purport, and therefore above-described embodiment should not be defined as the content of detail specifications.
In addition, even if this is in detail specifications not open particularly, above-described embodiment also should make the explanation of broad sense in the scope of the technical conceive limited by the claim of attaching.And all changes in the technical scope of claim or in its equivalency range and improvement are to be understood that as being comprised by the claim of attaching.
Claims (8)
1. have a vacuum circuit-breaker for interlock, it is characterized in that, described vacuum circuit-breaker comprises:
Breaker body, it has vacuum interrupter and the driving shaft for disconnecting or close described vacuum interrupter;
Conveyer, it is constructed to transmit described breaker body; And
Interlock, it is arranged on to interlock position of rotation in described driving shaft and locking or discharge described conveyer between described breaker body and described conveyer,
Wherein said interlock comprises:
Be arranged on the interlocking lever at described driving shaft place;
Interlocking lever, it is arranged in the side of described interlocking lever in the mode that can move up and down, and
Latch, it is plugged between described interlocking lever and described interlocking lever and limits moving up and down of described interlocking lever with the position of rotation interlocked in described interlocking lever,
Wherein, described latch is formed as the rotation that interlocks in described interlocking lever and can rotates,
Wherein, described interlocking lever comprises interlock board and interlocking plunger, and described interlock board extends towards described interlocking lever, and described interlocking plunger laterally extends relative to above-below direction.
2. vacuum circuit-breaker according to claim 1, wherein, described latch comprises: main body; Be arranged on the rotating shaft at described main body place; And in the side of described main body outstanding connecting pin.
3. vacuum circuit-breaker according to claim 2, wherein, described interlocking lever comprises the pin holding part of the part for accommodating described connecting pin.
4. vacuum circuit-breaker according to claim 3, wherein, described pin holding part is the length slit corresponding with the relative movement path of described connecting pin.
5. vacuum circuit-breaker according to claim 2, wherein, described main body comprises main shaft portion and time axis portion, and described main shaft portion has relatively long radius around described rotating shaft, and described axis portion has relatively short radius compared with described main shaft portion.
6. vacuum circuit-breaker according to claim 5, wherein, described axis portion is formed in the side in described main shaft portion along the direction of rotation of described main body, and when described breaker body is placed in make position, the main shaft portion of described latch is arranged in the upside of described interlocking lever.
7. the vacuum circuit-breaker according to any one in claim 1 to 6, comprises further:
Interlocking lever guide, it is constructed to guide moving up and down of described interlocking lever.
8. vacuum circuit-breaker according to claim 7, wherein, described conveyer comprises: framework; Conveyor screw, its direction of transfer along described breaker body is arranged in described framework place; And sliding part, it is arranged in the side of described conveyor screw in the mode of movement of can sliding, and wherein, described sliding part comprises recess projection, moves down period at described interlocking lever, and described recess projection contacts with described interlocking lever to suppress to slide to move.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0147811 | 2011-12-30 | ||
| KR1020110147811A KR101261968B1 (en) | 2011-12-30 | 2011-12-30 | Vacuum circuit breaker with interlock apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103187201A CN103187201A (en) | 2013-07-03 |
| CN103187201B true CN103187201B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210159162.0A Active CN103187201B (en) | 2011-12-30 | 2012-05-21 | Vacuum circuit breaker with interlock apparatus |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101261968B1 (en) |
| CN (1) | CN103187201B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101668026B1 (en) * | 2015-01-22 | 2016-10-20 | 엘에스산전 주식회사 | Transfer Car having Device for preventing Circuit Breaker from drawing out |
| CN107210148B (en) * | 2015-01-28 | 2018-12-25 | Abb瑞士股份有限公司 | Mechanical interlocked component for disconnecting switch and earthing switch |
| KR101793549B1 (en) * | 2016-03-03 | 2017-11-03 | 엘에스산전 주식회사 | Interlock apparatus for vacuum circuit breaker |
| US9685734B1 (en) * | 2016-03-17 | 2017-06-20 | Kussmaul Electronics Co., Inc. | Automatic power line disconnect apparatus |
| KR200486587Y1 (en) * | 2016-11-03 | 2018-06-07 | 엘에스산전 주식회사 | Transferring apparatus for vaccum circuit breaker |
| KR102111463B1 (en) | 2018-12-28 | 2020-05-15 | 엘에스일렉트릭(주) | Circuit Breaker |
| CN115023784A (en) * | 2021-04-20 | 2022-09-06 | Abb瑞士股份有限公司 | Mechanical interlocking system and switchgear comprising the same |
| KR102633156B1 (en) * | 2021-08-06 | 2024-02-05 | 엘에스일렉트릭(주) | Interlock module, circuit breaker carrier and switchboard having the same |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR101261968B1 (en) | 2013-05-09 |
| CN103187201A (en) | 2013-07-03 |
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