CN102820165B - Switching position detector for vacuum circuit breaker - Google Patents
Switching position detector for vacuum circuit breaker Download PDFInfo
- Publication number
- CN102820165B CN102820165B CN201210192105.2A CN201210192105A CN102820165B CN 102820165 B CN102820165 B CN 102820165B CN 201210192105 A CN201210192105 A CN 201210192105A CN 102820165 B CN102820165 B CN 102820165B
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- Prior art keywords
- breaker
- plate
- plate portion
- support
- vacuum circuit
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
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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
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/03—Avoiding erroneous switching
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to a switching position detector for a vacuum circuit breaker, wherein a device for preventing misoperation may be additionally provided on the switching position detector for a vacuum circuit breaker, for reliably providing if the vacuum circuit breaker is in the closed position or interrupt position. A support frame is fixedly arranged in the vacuum circuit breaker, and comprises a pair of support plates. Each support plate has a horizontal chute and a switching operation plate which is supported by the horizontal chute portion of the support frame and can horizontally move.
Description
Technical field
The disclosure relates to vacuum circuit-breaker, especially, relate to a kind of preventing faulty operation device and there is the switching position detector for vacuum circuit-breaker of this device for switching position detector, described in prevent faulty operation device from can prevent the error detection of switching position detector.
Background technology
Vacuum circuit-breaker is so a kind of electric device; it can monitor the abnormal current had as on the superhigh pressure of tens thousand of volt or the power circuit of the high pressure of kilovolt in full; and automatically can cut off power circuit when producing abnormal current; thus protection is connected to electric wire and the electrical load device at rear portion; and for generation of or distribute (as power plant or point power plant) in the general place of electric power, this vacuum circuit-breaker is contained in distribution panelboard usually together with monitoring and protecting device (as digital relay).
Vacuum circuit-breaker comprises the breaker body of the irremovable fixed breaker of breaker body of circuit breaker and circuit breaker can the drawing and pulling type circuit breaker of movement.Drawing and pulling type vacuum circuit-breaker is mainly used in the facility safeguarded and replace with due to it.
Drawing and pulling type vacuum circuit-breaker comprises support, the breaker body of circuit breaker and movable stand assembly (truckassembly).
Herein, support is the housing of vacuum circuit-breaker, and it is fixed in distribution panelboard, and described support has the terminal be connected with the power line of external power source and electric loading.
The breaker body of described circuit breaker comprises: main circuit unit, and it comprises the vacuum interrupter that each phase for three-phase alternating current (AC) is arranged; Switching mechanism, for switching corresponding main circuit unit simultaneously; And the terminal of breaker body, it can be connected with the terminal of support.
Movable stand assembly, in other words also referred to as " movable conveying rack assembly ", comprising: by the main shaft of rotatable handle, it has thread surface; And movable stand (also referred to as movable conveying rack), it has the inside being fixed on movable stand and the nut assembly that can move forward and backward along the thread surface of main shaft; And wheel, it can be rotatably set on the side of movable stand.Movable stand is provided for assembling the breaker body of circuit breaker and the device of the breaker body of running circuit breaker thereon.
The position of vacuum circuit-breaker comprises: run location (also referred to as link position), and in this position, the terminal of breaker body and the terminal of support are connected to each other; Test position, in this position, the terminal of breaker body and the terminal of support disconnect each other, but, control power supply and be connected to the breaker body of circuit breaker, thus whether the breaker body can implementing circuit breaker is by the test normally switched; And disconnect position (also referred to as withdrawn position), in this position, the terminal of breaker body and the terminal of support disconnect each other, and disconnect control power supply, thus disconnect the supply controlling power supply.
According to the circuit switching position (as contact position or open position) between the movable contact in the vacuum interrupter of main circuit unit and fixed contact, this run location can be subdivided into make position (also referred to as closed circuit position) and interruption position (also referred to as open-circuit position).
In order to from remote location monitoring vacuum circuit-breaker in current whether in the close position or interruption position, the switching position detector of vacuum circuit-breaker is used for the mechanical switch of vacuum circuit-breaker to arrange and converts the signal of telecommunication to prove that this signal of telecommunication is for asked position detection signal.
In addition, owing to directly can not check the make position of vacuum circuit-breaker or the switching position of interruption position from remote location, thus described position detection signal should by correctly and reliably provide.
Summary of the invention
Therefore, a scheme of the present disclosure is, what provide a kind of switching position detector for vacuum circuit-breaker prevents faulty operation device, it can be additionally provided on the switching position detector of vacuum circuit-breaker, for the Current Position reliably providing vacuum circuit-breaker whether to be in make position or interruption position.
Another scheme of the present disclosure is, provides a kind of switching position detector for vacuum circuit-breaker, and it comprises and prevents faulty operation device, thus enables this vacuum circuit-breaker reliably provide position detection signal.
A scheme of the present disclosure prevents from faulty operation device to realize according to the switching position detector for vacuum circuit-breaker of the present disclosure by providing a kind of, this prevents faulty operation device from comprising: bearing support, it is fixedly placed in vacuum circuit-breaker, and it comprises paired supporting side plate, each supporting side plate all has horizontal concrete chute portion; And
Handover operation plate, it is supported by the horizontal concrete chute portion of described bearing support with flatly movable.
Another scheme of the present disclosure realizes according to the switching position detector for vacuum circuit-breaker of the present disclosure by providing a kind of, and described detector comprises:
First bearing support, it to be fixed on vacuum circuit-breaker and to have top board and the pair of side plates for top support plate from below;
Operation panel, it is by described first branching bolster supporting and can be movable up or down, and it has from the second plate portion also therewith movable up or down with being connected to described first plate portion of the top board first plate portion upwardly of described first bearing support, and described second plate portion is positioned between two side plates of described first bearing support;
There is the sensitive switch of action bars, described action bars extends in the motion track in the second plate portion of described operation panel, switch actuating force to obtain Mechanical Contact, whether described action bars is fixedly placed on described bearing support and is extruded by the second plate portion according to described sensitive switch and export the electric position detection signal of vacuum circuit-breaker;
Second bearing support, it is arranged with the first bearing support of contiguous described vacuum circuit-breaker regularly, and it comprises paired supporting side plate, and each supporting side plate all has horizontal concrete chute portion; And
Handover operation plate, it is flatly movable that it is supported by the horizontal concrete chute portion of described second bearing support to carry out, and flatly movablely make the position of described second plate portion extruding sensitive switch to handover operation plate extrusion operation plate, and handover operation plate releasing operation plate.
Vacuum circuit-breaker for comprising with lower component:
Support, it has the terminal that is connected to external power source and electric loading and for arranging supporting base;
Breaker body, it has breaker body terminal and the vacuum interrupter for the circuit that switches external power source or electric loading, described body terminal has run location and the test position disconnected with the terminal of described support of the terminal being connected to described support or disconnects position, described vacuum interrupter is for switching the circuit between external power source and electric loading, and described breaker body has for the make position of closed circuit and the interruption position for opening circuit;
Movable stand assembly, it loads and the run location, the test position that can move in described support or disconnect position together with breaker body; And
Operation pin, it is arranged in movable stand assembly, with under the state being in run location at described breaker body terminal, according to the make position of breaker body or interruption position vertically movable, another scheme of the present disclosure realizes by providing a kind of switching position detector for vacuum circuit-breaker.
Described switching position detector comprises:
First bearing support, its preset position being fixed on the substrate of support has top board and a pair of side plates for top support plate from below;
First bearing support, it to be fixed on vacuum circuit-breaker and to have top board and the pair of side plates for top support plate from below;
Operation panel, it is by described first branching bolster supporting and can be movable up or down, and its have from the top board of described first bearing support the first plate portion upwardly be connected to described first plate portion and the second plate portion movable up or down together with the first plate portion, and described second plate portion is positioned between two side plates of described first bearing support;
There is the sensitive switch of action bars, described action bars extends in the motion track in the second plate portion of described operation panel, switch actuating force to obtain Mechanical Contact, whether described action bars is configured in regularly on described first bearing support and is extruded by the second plate portion according to described sensitive switch and export and represent the make position of breaker body or the electric position detection signal of open position;
Second bearing support, it is arranged with described first bearing support in the substrate of near bracket regularly, and it comprises paired supporting side plate, and each supporting side plate all has horizontal concrete chute portion; And
Handover operation plate, it is supported by the horizontal concrete chute portion of described second bearing support and makes described second plate portion be squeezed in test position with flatly movable to handover operation plate extrusion operation plate or disconnect the position of action bars of sensitive switch of position, and activity is promoted with the position of releasing operation plate to handover operation plate by described operation pin.
Accompanying drawing explanation
Accompanying drawing is involved further to be understood the present invention to provide, and it to be incorporated in the disclosure and to form a part of this disclosure, and accompanying drawing shows exemplary embodiment of the present invention and is used for explaining principle of the present invention together with the disclosure.
In the accompanying drawings:
Fig. 1 is the outward appearance of the breaker body showing vacuum circuit-breaker and the stereogram of main element, can be provided with according to the switching position detector of preferred embodiment of the present disclosure wherein and prevent faulty operation device.
Fig. 2 is the stereogram of the structure showing sliding support component in vacuum circuit-breaker and transverse beam assembly.
Fig. 3 is the stereogram of the structure of the operation pin components shown extraly in the sliding support component that comprises in fig. 2.
Fig. 4 is the stereogram showing the outward appearance of the support be included in vacuum circuit-breaker and the position according to the switching position detector be arranged on support of the present disclosure.
Fig. 5 is the stereogram of the structure of the switching position detector for vacuum circuit-breaker shown according to preferred embodiment of the present disclosure.
Fig. 6 is the longitdinal cross-section diagram of the switching position detector showing Fig. 5.
Fig. 7 is the partial enlarged drawing shown according to the support of preferred embodiment of the present disclosure and the running status of switching position detector, now the breaker body of circuit breaker is in and disconnects position and fully separate with the support of vacuum circuit-breaker, thus the breaker body of circuit breaker is not present in support, wherein with double dot dash line mark part for showing the enlarged drawing of the state being in the switching position detector disconnecting position.
Fig. 8 is the partial enlarged drawing of the running status shown according to the support of preferred embodiment of the present disclosure, the breaker body of circuit breaker and switching position detector, now the terminal of the terminal of the breaker body of circuit breaker and the support of vacuum circuit-breaker disconnects, but control power supply and be in and control power supply and be fed into the test position of the breaker body of circuit breaker, wherein with the part of double dot dash line mark for showing the enlarged drawing of the running status of the switching position detector being in test position.
Fig. 9 shows the support according to preferred embodiment of the present disclosure, the partial enlarged drawing of the breaker body of circuit breaker and the running status of switching position detector, now the terminal of the terminal of the support of vacuum circuit-breaker and the breaker body of circuit breaker is in run location, in this position, the terminal of the terminal of the support of vacuum circuit-breaker and the breaker body of circuit breaker is connected to each other, and the position of the breaker body of circuit breaker is in interruption position, wherein with the part of double dot dash line mark for showing the run location that is on the whole surface of vacuum circuit-breaker and be in the enlarged drawing of the running status of the switching position detector of the interruption position of the breaker body of circuit breaker simultaneously.
Figure 10 shows the support according to preferred embodiment of the present disclosure, the partial enlarged drawing of the breaker body of circuit breaker and the running status of switching position detector, now the terminal of the terminal of the support of vacuum circuit-breaker and the breaker body of circuit breaker is in run location, in this position, the terminal of the terminal of the support of vacuum circuit-breaker and the breaker body of circuit breaker is connected to each other and the run location of the breaker body of circuit breaker is make position, wherein be in run location from the visual angle of whole vacuum circuit-breaker and the enlarged drawing being side by side in the running status of the switching position detector of interruption position from the visual angle of the breaker body of circuit breaker with the part of double dot dash line mark for showing.
Figure 11 shows from the stereogram preventing the structure of faulty operation device of the switching position detector for vacuum circuit-breaker according to preferred embodiment of the present disclosure looked down of inclined upward ground.
Figure 12 shows from the stereogram preventing the structure of faulty operation device and switching position detector of the vacuum circuit-breaker according to preferred embodiment of the present disclosure looked down of inclined upward ground.
Prevent faulty operation device and switching position detector that Figure 13 shows according to preferred embodiment of the present disclosure are in the partial enlarged drawing of the structure be arranged in the support of vacuum circuit-breaker, wherein with double dot dash line mark part for showing the enlarged drawing preventing faulty operation device and switching position detector.
Figure 14 show according to preferred embodiment of the present disclosure switching position detector, prevent the partial enlarged drawing of the opposed configuration of faulty operation device and sliding support component, now switching position detector, prevent faulty operation device and sliding support component to be arranged in the support of vacuum circuit-breaker, wherein with the part of double dot dash line mark for showing switching position detector, prevent faulty operation device, the enlarged drawing of the opposed configuration of sliding support component and operation pin components.
Figure 15 be show according to the support of preferred embodiment of the present disclosure and the breaker body of circuit breaker running status and prevent the partial enlarged drawing of running status of faulty operation device and switching position detector, now the terminal of the terminal of the breaker body of circuit breaker and the support of vacuum circuit-breaker disconnects, but circuit breaker is in test position, in this position, control the breaker body that power supply is fed into circuit breaker, wherein with double dot dash line mark part for showing the enlarged drawing of the switching position detector being in test position and the running status preventing faulty operation device.
Figure 16 be show according to the support of preferred embodiment of the present disclosure and the breaker body of circuit breaker running status and prevent the partial enlarged drawing of running status of faulty operation device and switching position detector, now the terminal of the terminal of the support of vacuum circuit-breaker and the breaker body of circuit breaker is in run location, in this position, the terminal of the terminal of the support of vacuum circuit-breaker and the breaker body of circuit breaker is connected to each other and the run location of the breaker body of circuit breaker is in interruption position, wherein be in run location from the visual angle of whole vacuum circuit-breaker with the part of double dot dash line mark for showing and be side by side in the switching position detector of interruption position from the visual angle of the breaker body of circuit breaker and prevent the enlarged drawing of running status of faulty operation device.
Figure 17 shows according to the running status of the support of preferred embodiment of the present disclosure and the breaker body of circuit breaker and switching position detector and the partial enlarged drawing of running status preventing faulty operation device, now the terminal of the terminal of the support of vacuum circuit-breaker and the breaker body of circuit breaker is in run location, in this position, the terminal of the terminal of the support of vacuum circuit-breaker and the breaker body of circuit breaker is connected to each other and the run location of the breaker body of circuit breaker is in the close position, wherein be in run location from the visual angle of whole vacuum circuit-breaker with the part of double dot dash line mark for showing and be side by side in the switching position detector of closed interruption position from the visual angle of the breaker body of circuit breaker and prevent the enlarged drawing of running status of faulty operation device.
Embodiment
Now with reference to accompanying drawing in detail exemplary embodiment is disclosed.Accompanying drawing is briefly described in order to reference, and identical or equivalent parts will be provided with identical Reference numeral, and no longer repeats its description.
First, composition graphs 1 is briefly described the outward appearance being used for the breaker body of the circuit breaker of vacuum circuit-breaker and main configuration, Fig. 1 is the outward appearance of the main body of the circuit breaker illustrated for vacuum circuit-breaker and the stereogram of main element, is furnished with according to preferred embodiment switching position detector of the present disclosure and prevents faulty operation device in described vacuum circuit-breaker.
According to preferred embodiment of the present disclosure switching position detector and prevent faulty operation device can be configured in for vacuum circuit-breaker breaker body 10 in, this breaker body 10 comprises: main circuit unit 10a, breaker body terminal 10b and 10c, and front operation panel 10d.
As mentioned above, described main circuit unit 10a is arranged in each phase (also referred to as pole) in three-phase alternating current (AC), as R phase, S-phase and T-phase, and it can be assembled by the vacuum interrupter switched for circuit, and each vacuum interrupter is all provided with fixed contact and movable contact in vacuum tank.Described vacuum interrupter has make position or open position, for closing or opening the power circuit between external power source and electric loading connected by terminal 10b and 10c of breaker body and the terminal (41a and 41b see Fig. 8) of support.
Breaker body terminal 10b and 10c of breaker body 10 is the terminal of the breaker body 10 that can be electrically connected with the fixed contact of vacuum interrupter and movable contact, and this vacuum interrupter can be electrically connected with the power circuit between the three-phase circuit of external power source with the three-phase circuit between electric loading.Terminal 10b and 10c of breaker body comprises three terminals for power supply and three terminals for electric loading, and each terminal for power supply all has multiple finger contact device, and each terminal for electric loading also has multiple finger contact device.
Described front operation panel 10d is the user interface in vacuum circuit-breaker, it is provided with manipulation button and display unit, by this manipulation button and display unit, user can manipulate the switching of vacuum circuit-breaker, and this operation header board 10d is also provided with the control handle being provided for closing spring energy storage.
Described breaker body 10 also comprises switching mechanism (not shown), and the movable contact of its driving in the vacuum interrupter of main circuit unit 10a is to make position or open position.Herein, switching mechanism can comprise the drive source of such as spring or electrical actuator, and it is for driving switching; And multiple chain link, its as known in the art, the actuating force in the future self-driven source is passed to the movable contact in the vacuum interrupter of main circuit unit 10a.
Breaker body 10 can be assemblied on movable stand assembly 30, its activity according to movable stand assembly 30 as shown in Figure 1 and movable.
Beam assembly 20 supports and contacts the handle attachment end portion 31a of the main shaft (Reference numeral 31 see in Fig. 2) in movable stand assembly 30.When control handle (not shown) is connected to handle attachment end portion 31a to rotate control handle, this main shaft rotates, thus drives movable stand assembly 30 forward and backward.
Beam assembly 20 comprises the cramp bar 20a being fixed on following support, and this cramp bar 20a is supported in two horizontal sides to form reciprocating mode.The expression of this " reciprocating mode " is by the reason used, and Reference numeral does not indicate and to comprise handle in beam assembly 20 in FIG movable to side thus to enable to be connected to cramp bar 20a on corresponding handle movable with from two horizontal ends projections of beam assembly 20 or hide to side.Therefore, when pulling forward corresponding handle under the state being driven to stowed position at cramp bar 20a, beam assembly 20, be connected to the movable stand assembly 30 on beam assembly 20 by main shaft and the breaker body 10 be assemblied on movable stand assembly 30 is fully taken out to extract out discretely from following support.
Cramp bar 20a can be inserted into be supported in the support holes portion do not indicated by Reference numeral, and this support holes portion is arranged accordingly with the front side (terminals side is rear side, and its opposition side is front side) of support 40 in the diagram.
On the other hand, briefly be described in by composition graphs 2 as the operation of the movable stand assembly 30 of the head of the propelling of the breaker body of circuit breaker and pull-out and structure in vacuum circuit-breaker, Fig. 2 is the stereogram of the structure showing movable stand assembly in vacuum circuit-breaker and beam assembly.
Movable stand assembly 30 comprises movable stand 30a, nut assembly 33 and operation pin components 34.
Movable stand 30a is also referred to as movable conveying rack, and it is for assembling breaker body 10 thereon and making breaker body 10 on the direction of propulsion of terminal unit 41a and 41b near support (Reference numeral 40 of Fig. 8) or away from terminal unit 41a and 41b of support (Reference numeral 40 of Fig. 8) and device movable on the pull-out direction of the beam assembly 20 in Fig. 2.Movable stand 30a is provided with four runners 32, and this runner supports to rotate in pairs by axle and it is arranged on both sides.Described runner 32 is inserted in the pair of guide rails 44 of the bottom of the inner wall surface of setting two sidewalls 43 in the diagram thus it advances directed.The movable stand 30a of movable stand assembly 30 comprises a pair level and cuts peristome 35, its longitudinally extend to allow on bottom following prevent the pair of curved extension in faulty operation device (the Reference numeral 73a see in Figure 14) from running through and horizontal anomalous movement to the bottom in movable stand 30a.
Main shaft 31 comprises handle attachment end portion 31a, and it extends to the inner side of movable stand 30a and is exposed to outside through beam assembly 20.Main shaft 31 has the thread surface that is formed on most surfaces and provides actuating force, at main shaft 31 by being connected to operating grip (not shown) and movable by described actuating force by movable stand 30a during rotation.
Nut assembly 33 is fixed on the front side of movable stand 30a and engages with the thread surface of main shaft 31 with can be forward and backward movable along this thread surface.
Operation pin components 34 is arranged on the bottom of the side of the inner side of the movable stand 30a in movable stand assembly 30.
Fig. 3 is the stereogram of the structure showing operation pin components 34 extraly, composition graphs 3, and operation pin components 34 comprises operation pin 34a, back-moving spring 34b and bearing support 34c.
Operation pin 34a can by the pin structure of metal material, and it has head and columniform bottom, and this bottom has smooth surface with movable smoothly up or down.As shown in Figure 8 and Figure 9, under the state that terminal 10b and 10c of breaker body is in run location, according to make position and the interruption position of breaker body 10, operation pin 34a can be vertically movable.The up and down of operation pin 34a can be connected to a strength gearing chain ring of the switching mechanism (not shown) of above-mentioned main circuit unit 10a by directly contact and implement to provide actuating force, this actuating force is used for the movable make position to the movable contact of main circuit unit 10a or open position, also can according to the make position of breaker body 10 or interruption position by other as bar, the strength transmission device downward extrusion operation pin 34a of lever or releasing operation pin 34a and implementing.
Bearing support 34c can be constructed by the element with mechanical strength of such as inverted U-shaped steel plate.Two downsides of corresponding steel plate have flange part, and described flange part can be connected at the preset position of lower surface and fixture.The through hole (it is not indicated by corresponding Reference numeral) that described bearing support 34c is included on the upper surface of inverted U-shaped steel plate is movable up or down to support corresponding through hole.
The upper end of back-moving spring 34b is supported by the upper surface of bearing support 34c by the lower end of the head rest supporting and back-moving spring 34b that operate pin 34a, thus back-moving spring 34b provides elastic force to make it movable to rising initial position as shown in Figures 2 and 3 to operation pin 34a.
On the other hand, composition graphs 4 is described by the schematic structure of support and the position of setting switching position detector in the bracket hereinafter, Fig. 4 is the stereogram of support, it illustrates the outward appearance of the support be included in vacuum circuit-breaker and arranges the position of switching position detector in the bracket.
As shown in Figure 4, the front surface of support 40 is opened, and support can be formed by steel shell, and it comprises two side plates 43, pedestal 42, top cover portion (not by respective drawings labeling indicia), guide rail 44 and terminal unit 41a and 41b.Described support 40 is similarly the device for providing supporting base to breaker body 10.
Body terminal 10b shown in Fig. 1 and 10c has run location and the test position disconnected with terminal unit 41a and 41b of support 40 of terminal unit 41a and 41b being connected to support 40 shown in Figure 4 or disconnects position.
Especially, pedestal 42 can by base plate structure, this substrate be set to be separated with preset height with the lower surface of support 40 and and space segment between substrate and the lower surface of support 40 from.The top of switching position detector 50 is set in corresponding space from substrate projection.
On the other hand, composition graphs 5 and Fig. 6 are described the structure of the switching position detector according to preferred embodiment of the present disclosure, Fig. 5 shows the stereogram of the structure of the switching position detector of the vacuum circuit-breaker according to preferred embodiment of the present disclosure, and Fig. 6 shows the vertical cross-section diagram of the switching position detector of Fig. 5.
Switching position detector according to preferred embodiment of the present disclosure comprises: the first bearing support 58, operation panel 59 and sensitive switch 55.
First bearing support 58 is fixedly placed in the predeterminated position of the support of vacuum circuit-breaker.According to preferred embodiment, described first bearing support 58 is fixedly placed on the predeterminated position of said base 42 of the support of vacuum circuit-breaker.Described first bearing support 58 comprises top board 52 and a pair side plate 53 for top support plate 52 from below.
Top board 52 can be fixed by screw device (such as screw and nut) and be connected to the lower surface of the substrate of the pedestal 42 in Fig. 4 to be fixed.Described top board 52 comprises the first conduit part 52a and the second conduit part 52b.
First conduit part 52a upwards extends with projection from the top surface of top board 52 and has the inside of hollow, and its top and bottom are what open.When the bottom that the first plate portion 51 of operation panel 59 mentioned below has less width moves up or down, the first conduit part 52a guides the bottom with less width in the first corresponding plate portion 51.In addition, back-moving spring 56 mentioned below is arranged around the first conduit part 52a with directed to extend or to shrink by the first conduit part 52a.
Second conduit part 52b extend with from close on top board 52 top surface the first conduit part 52a position upwardly and there is the inside of hollow, its top and bottom are what open.
Pair of side plates 53 top support plate 52 and each side plate includes channel guide section 53a from below.Pair of side plates 53 and top board 52 are interconnected to form attachment flange portion on the top of each side plate 53 by having corresponding flange unit, and the lower surface of top board 52 is facing with each other with the lower surface by fastener (as screw and nut) fastening rib portion and top board 52.
Operation panel 59 comprises the first plate portion 51 and the second plate portion 54, and supports with can be movable up or down by the first bearing support 58.
First plate portion 51 orientates as from the top board 52 of the first bearing support 58 upwardly.First plate portion 51 comprises head and bottom, and bottom extends with elongating between two side plates 53 with the width less than the width of head.The head in the first plate portion 51 is trapezoidal plate portion, and it has inclined surface 51a in both sides and have plane 51b between two inclined surface 51a, and centre has pin bores 51e wherein.
Second plate portion 54 is positioned between two side plates 53 of the first bearing support 58 as a part for operation panel 59, and it can be connected to the first plate portion 51 with can be movable up or down together with the first plate portion 51.Herein according to preferred embodiment, the second plate portion 54 is connected to the first plate portion 51 by the bottom in the first plate portion 51, and is connected to the connecting portion 54a in the second plate portion 54 by screw, nuts and washers.
Second plate portion 54 comprises connecting portion 54a, guide block 54b, bend 54c and upper guide protrusion portion 54d.
Connecting portion 54a is formed hold up from the central upper on the plate surface in the second plate portion 54 and be connected to the bottom in the first plate portion 51 described above.
Guide block 54b extends from the both sides in the second plate portion 54 of operation panel 59 and is inserted into the channel guide section 53a of side plate 53, firmly to guide the movable up or down of operation panel 59.
Bend 54c bends along right angle orientation from the plate in the second plate portion 54 is surperficial in the bottom in the second plate portion 54, and along the action bars 55a of direction extruding sensitive switch 55 forward while declining, or while rising, discharge the action bars 55a of sensitive switch 55.
Upper guide protrusion portion 54d is arranged on the both sides on the top in the second plate portion 54, rises smoothly and declines to guide with the plate surface from the second plate portion 54 to front protrusion in the second plate portion 54 of two side plates 53.
The inside contact of sensitive switch 55 as is well known is opened by Mechanical Contact or is closed, thus sensitive switch 55 exports the signal of telecommunication.As shown in Figure 6, switch actuating force to receive Mechanical Contact, described sensitive switch 55 has the action bars 55a in the motion track (locus) in the second plate portion 54 extending to operation panel 59.Action bars 55a comprises the known rotation at leading end to weaken the roller bearing of mechanical shock.Described sensitive switch 55 is arranged in the side plate 53 of the first bearing support 58 regularly, thus whether inside contact (not shown) is extruded according to the second plate portion 54f and is opened or closes.Therefore, opening or closing by inside contact, described sensitive switch 55 output potential puts detection signal, and this signal can indicate make position or the interruption position (also namely, switching position) of vacuum circuit-breaker (particularly breaker body 10).
Reference numeral 55b has indicated the hold-down screw at the inwall place for sensitive switch 55 being fixed to side plate 53.
On the other hand, the operation with the switching position detector of above-mentioned configuration according to preferred embodiment of the present disclosure composition graphs 7 to Figure 10 is described.
First, composition graphs 7 describes the operation being in the switching position detector 50 disconnecting position according to preferred embodiment of the present disclosure, disconnect position described, because the support 40 of breaker body 10 with vacuum circuit-breaker fully separates, therefore breaker body 10 is not present in support.
As shown in Figure 7, because breaker body 10 is not present in support 40, thus make the first plate portion 51 being in the switching position detector 50 in the pedestal 42 of support 40 not by the pressure extrusion from top, first plate portion 51 extrudes to rise by back-moving spring 56 elasticity, thus makes the first plate portion 51 from the top board of pedestal 42 upwardly.Therefore, the second plate portion 54 below the first plate portion 51 is connected to the first plate portion 51, and discharge the action bars 55a of sensitive switch 55, thus the inside contact of sensitive switch 55 is opened and sensitive switch 55 output potential puts detection signal, this signal indication is in this moment breaker body 10 in the close position, and it is the operation of mistake.
Afterwards, with reference to Fig. 8, the support 40 being in test position according to preferred embodiment of the present disclosure is described, the operation of breaker body 10 and switching position detector 50, at test position, terminal unit 41a and 41b of terminal 10b and 10c of breaker body 10 and the support 40 of vacuum circuit-breaker divides out, but, the control terminal (not shown) of breaker body 10 is connected to the control terminal (not shown) of support 40, such as, the control power supply of such as DC power supply is fed into breaker body 10, thus can test both opens device main body 10 whether normally be switched.
As shown in Figure 8, when extruding the first plate portion 51 at test position movable stand assembly 30, first plate portion 51 by the pressure drop from top, thus to make under the first plate portion 51 and the second plate portion 54 being connected to the first plate portion 51 extrudes the action bars 55a of sensitive switch 55.Therefore, the inside contact of sensitive switch 55 is closed thus sensitive switch 55 output potential puts detection signal, and this signal indication is in interruption position in this moment breaker body 10, and it is the operation of mistake.
Afterwards, composition graphs 9 is described the operation of the support 40 at run location according to preferred embodiment of the present disclosure, breaker body 10 and switching position detector 50, at run location, terminal unit 41a and 41b of the support 40 of vacuum circuit-breaker is connected to terminal 10b and 10c of breaker body 10, and in this moment, the operating position of breaker body 10 is in interruption position.
As shown in Figure 9, at run location, terminal 41a-1 and 41b-1 of terminal unit 41a and 41b of support 40 is connected to terminal 10b and 10c of breaker body 10.In this moment, movable contact in the vacuum interrupter of the main circuit unit (the Reference numeral 10a see Fig. 1) of breaker body 10 is in the interruption position be separated with fixed contact, as mentioned above, when the operation pin 34a of operation pin components 34 is provided for the power gearing chain ring of the switching mechanism (not shown) of the switching position of the movable contact of activity main circuit unit 10a by direct contact is arbitrary and is extruded downwards, this action also completes by other force actuators, namely, bar, lever, chain link, operation pin 34a is moved downward.Therefore, the lower compression of the operation pin 34a declined is positioned at the first plate portion 51 of the switching position detector 50 below operation pin 34a, thus the first plate portion 51 is declined by top applied pressure, and make to be connected with the first plate portion 51 and the second plate portion 54 below the first plate portion 51 extrudes the action bars 55a of sensitive switch 55.Therefore, when the inside contact of sensitive switch 55 is closed, normal running implemented by sensitive switch 55, namely exports the electric position detection signal representing and be in interruption position in this moment breaker body 10.
Afterwards, operation according to the support 40 being in run location of preferred embodiment of the present disclosure, breaker body 10 and switching position detector 50 will be described in conjunction with Figure 10, at run location, terminal unit 41a and 41b of the support 40 of vacuum circuit-breaker is connected to terminal 10b and the 10c place of breaker body 10, meanwhile, the operating position of breaker body 10 is make position.
As shown in Figure 10, at run location, terminal 41a-1 and 41b-1 of terminal unit 41a and 41b of support 40 is connected to terminal 10b and 10c of the breaker body 10 being in run location.In this moment, in the vacuum interrupter of the main circuit unit (the Reference numeral 10a see Fig. 1) of breaker body 10 movable contact contact fixed contact thus the make position of closing of circuit, as described above, be provided for the switching mechanism (not shown) of the actuating force of the switching position of the movable contact of activity main circuit unit 10a a power gearing chain ring or as bar, other force actuators of lever and chain link separate with the operation pin 34a of operation pin components 34, and operate pin 34a be subject to the elasticity extruding of back-moving spring 34b and rise.Therefore, the first plate portion 51 of switching position detector 50 is discharged by the operation pin 34a risen, thus makes the first plate portion 51 be increased by the elastic force of back-moving spring 56.Therefore, below the first plate portion 51 and the second plate portion 54 being connected to the first plate portion 51 move upward, and the action bars 55a of sensitive switch 55 is released.Therefore, the inside contact of sensitive switch 55 is opened thus the normal running that output potential puts detection signal implemented by sensitive switch 55, and this signal indication is in the close position in this moment breaker body 10.
Switching position detector 50 according to preferred embodiment of the present disclosure normally runs at run location, but, at test position or run with disconnecting positional fault.
Therefore, according to the disclosure, there is provided one to prevent faulty operation device, it can prevent switching position detector 50 at test position or the error running disconnecting position, and provides a kind of switching position detector with the vacuum circuit-breaker preventing faulty operation device.
First, the structure preventing faulty operation device being used for the switching position detector of vacuum circuit-breaker according to preferred embodiment of the present disclosure will be described in conjunction with Figure 11 and Figure 12.
As shown in figure 11, the faulty operation device 70 that prevents according to the switching position detector for vacuum circuit-breaker of preferred embodiment of the present disclosure comprises the second bearing support 71 and handover operation plate 73.
Second bearing support 71 can be configured on the head substrate of pedestal 42 regularly, and this substrate is near the first bearing support 58 (see Figure 12 and Figure 13) of the pedestal 42 of the support 40 of vacuum circuit-breaker.Second bearing support 71 comprises a pair supporting side plate 72, and each supporting side plate 72 all has horizontal concrete chute portion 72a.Second bearing support 71 can be manufactured by box-shaped rigid structure, and this structure is formed by a pair supporting side plate 72 and backboard, and each supporting side plate 72 has the front side of opening to allow handover operation plate 73 backward or movable forward.
Handover operation plate 73 by the inverted U-shaped sheet material structure with horizontal top, and by the second bearing support 71 horizontal concrete chute portion 72a flatly and support movably.Handover operation plate 73 can be flatly movable to such position: in this position, handover operation plate 73 extrudes the operation panel 59 in the second plate portion 54 of being used for extrude the action bars 55a of sensitive switch 55; Or handover operation plate 73 also can be flatly movable to another location: in this position, when handover operation plate 73 is subject to the 34a extruding of operation pin, handover operation plate 73 releasing operation plate 59.Especially, at test position or disconnect position, handover operation plate 73 can the flatly movable position to handover operation plate 73 extrusion operation plate 59, thus makes the second plate portion 54 extrude the action bars 55a of sensitive switch 55; Or flatly activity to handover operation plate 73 is subject to the promotion of operation pin 34a with the position of releasing operation plate 59.Curved extension 73a is bent upwards obliquely and extends from the leading end of handover operation plate 73.
Prevent faulty operation device 70 from also comprising back-moving spring 75, one end of back-moving spring 75 is supported by the second bearing support 71, the other end is supported by handover operation plate 73 and provides elastic force to return initial position, at this position handover operation plate 73 extrusion operation plate 59 for handover operation plate 73.
In addition, prevent faulty operation device 70 from also comprising slip pin 74, its one end is inserted in the horizontal concrete chute portion 72a of the second bearing support 71 that the other end is connected on handover operation plate 73.Slip pin 74 by welding or bolt and nut fastening and combine with the side of handover operation plate 73.
On the other hand, mainly will describe the structure preventing faulty operation device being used for the switching position detector of vacuum circuit-breaker according to preferred embodiment of the present disclosure in conjunction with Figure 12 secondary combined Fig. 5 and Fig. 6, and be provided with the structure of the switching position checkout gear preventing faulty operation device accordingly.
As shown in the figure, the switching position detector of faulty operation device that prevents be provided with as vacuum circuit-breaker according to preferred embodiment of the present disclosure comprises the first bearing support 58 as described above, there is the operation panel 59 in the first plate portion 51 and the second plate portion 54, sensitive switch 55, the second bearing support 71 and handover operation plate 73.
Because the structure of said elements can prevent the explanation of the explanation of the structure of faulty operation device and above-mentioned switching position detector in conjunction with above-mentioned and be described, thus will the repetitive description thereof will be omitted, additional element will only be described below.
Preventing from, in the switching position detector of faulty operation device, being provided with pin 57 according to being provided with of preferred embodiment of the present disclosure, its first plate portion 51 running through operation panel 59 is to extend to the both sides in the first plate portion 51.
Curved extension 73a has such position, at this position curved extension 73 extrusion operation plate 59 by pin 57, thus makes the second plate portion 54 extrude the action bars 55a of sensitive switch; Or there is another location, discharge pin 57 in this position curved extension 73.
The operation preventing the switching position detector of faulty operation device being used for vacuum circuit-breaker being provided with above-described structure according to preferred embodiment of the present disclosure will be described in conjunction with Figure 15 to Figure 17.
First, as shown in figure 15, position is disconnected at test position or unshowned, although according to the retrogressing being in the movable stand assembly 30 disconnecting position, operation pin 34a does not extrude the first plate portion 51, but the curved extension 73a of handover operation plate 73 is subject to the elastic force of back-moving spring 75 and movable extruding pin 57 forward, thus make the first plate portion 51 movable and make the below in the first plate portion 51 and the second plate portion 54 being connected to the first plate portion 51 extrudes the action bars 55a of sensitive switch 55 by top applied pressure downwards.Therefore, state closed for the inside contact of sensitive switch 55 is remained on disconnect position and test position.Like this, in the inside contact of sensitive switch 55, do not produce change (in other words, switching), and export the electric position detection signal that expression breaker body 10 is in interruption position continuously.Therefore, Long-Range Surveillance Unit receives and represents that interruption position is misunderstood to prevent switching device shifter at the change detection signal disconnecting position and test position of vacuum circuit-breaker.
Afterwards, as shown in figure 16, at run location, the connecting terminals of the support of vacuum circuit-breaker is received on the terminal of the breaker body of circuit breaker, and meanwhile, the operating position of the breaker body of circuit breaker is in interruption position, will describe the operation preventing the switching position detector of faulty operation device be provided with for vacuum circuit-breaker according to preferred embodiment of the present disclosure.
As shown in figure 16, at run location, terminal unit 41a and 41b of support 40 is connected on the terminal of breaker body 10.At this moment, handover operation plate 73 promotes to extrude the position in the first plate portion 51 from handover operation plate 73 back to the right side in accompanying drawing by operation pin components 34.In addition, when interruption position, in this position, movable contact in the vacuum interrupter (not shown) of the main circuit unit 10a of breaker body 10 is separated with fixed contact, as mentioned above, if by arbitrary power gearing chain ring of switching mechanism (not shown) of actuating force of switching position of movable contact of being provided for activity main circuit unit 10a or other force actuators as bar, lever, chain link, the operation pin 34a of operation pin components 34 is extruded, and operation pin 34a moves downward.Therefore, the first plate portion 51 of the bottom promotion switching position detector of the decline of operation pin 34a declines, thus makes the second plate portion 54 be connected with the first plate portion 51 promote the action bars 55a of sensitive switch 55.
Therefore, the inside contact of sensitive switch 55 is closed, thus sensitive switch 55 exports expression breaker body 10 is in interruption position electric position detection signal in this moment.This electric position detection signal is transferred to Long-Range Surveillance Unit, thus can detect the interrupt status of vacuum circuit-breaker from remote location, and without the need to directly observing this vacuum circuit-breaker.
Afterwards, as shown in figure 17, at run location, the connecting terminals of the support of vacuum circuit-breaker receives the terminal of the breaker body of circuit breaker, meanwhile, the operating position of the breaker body of circuit breaker is in the close position, will describe according to the breaker body operation of the support of preferred embodiment of the present disclosure and circuit breaker and switching position detector and the operation preventing faulty operation device.
As shown in figure 17, at run location, terminal unit 41a and 41b of support 40 is connected on the terminal of breaker body 10.Meanwhile, handover operation plate 73 promotes to extrude the position in the first plate portion 51 from handover operation plate 73 back to the right side in accompanying drawing via operation pin components 34.In addition, when make position, in this position, movable contact in the vacuum interrupter (not shown) of the main circuit unit 10a of breaker body 10 contacts with fixed contact, as described above, the operation pin 34a of arbitrary power gearing chain ring of the switching mechanism (not shown) of the actuating force of the switching position of the movable contact of activity main circuit unit 10a or other force actuators releasing operation pin components 34 as bar, lever, chain link is provided for.Therefore, operation pin 34a is risen by back-moving spring 34b and gets back to initial position, thus the first plate portion 51 of switching position detector 50 is pushed by the elastic force of back-moving spring 56 and rises, and make the below in the first plate portion 51 and the action bars 55a of sensitive switch 55 rises to discharge in the second plate portion 54 being connected to the first plate portion 51.Therefore, the inside contact of sensitive switch 55 is opened, thus sensitive switch 55 exports and represents that breaker body 10 is at this moment electric position detection signal in the close position.This electric position detection signal is transferred to Long-Range Surveillance Unit, thus can detect from remote location and monitor the closure state of vacuum circuit-breaker, and without the need to directly observing this vacuum circuit-breaker.
The faulty operation device that prevents for the switching position detector of vacuum circuit-breaker comprises: a bearing support, and it is fixedly placed in vacuum circuit-breaker, and comprises paired support plate, and each support plate all has horizontal concrete chute portion; And handover operation plate, it is supported by the horizontal concrete chute portion of described bearing support with flatly movable.Therefore, can horizontal anomalous movement by the handover operation plate of branching bolster supporting, thus can prevent switching position detector from operating mistakenly.
The faulty operation device that prevents according to the switching position detector for vacuum circuit-breaker of the present disclosure also comprises back-moving spring.Therefore, unless there is the outside elastic force being applied to handover operation plate along the direction contrary with the initial position of handover operation plate, this handover operation plate can return automatically to initial position.
The faulty operation device that prevents according to the switching position detector for vacuum circuit-breaker of the present disclosure also comprises the curved extension of the leading end being arranged on handover operation plate, and it extends to be bent upwards obliquely.Therefore, when handover operation plate level ground is movable to initial position, also namely, switching position detector prevent faulty operation position, curved extension smoothly close to the appropriate section of (land on) switching position detector to extrude this appropriate section downwards.
The faulty operation device that prevents according to the switching position detector for vacuum circuit-breaker of the present disclosure also comprises slip pin, and its one end is inserted in the horizontal concrete chute portion of bearing support, and the other end is connected on handover operation plate.Therefore, handover operation plate can be guided by slip pin and horizontal concrete chute portion with flatly movable.
The switching position detector of vacuum circuit-breaker comprises: the first bearing support; First plate portion, it is from the first bearing support upwardly; Operation panel; Whether have the sensitive switch of action bars, described action bars extends in the motion track in the second plate portion of described operation panel, switch actuating force, thus be extruded according to the second plate portion and export the electric position detection signal of vacuum circuit-breaker to receive Mechanical Contact; Second bearing support, comprises paired supporting side plate, and each supporting side plate all has horizontal concrete chute portion; And handover operation plate that can be flatly movable, it is flatly movable to the position that operation panel is extruded, thus described second plate portion extruding sensitive switch, and activity is to the d/d position of operation panel.Therefore, the switching position of vacuum circuit-breaker can be detected and the faulty operation of switching position detector can be prevented.
Switching position detector according to vacuum circuit-breaker of the present disclosure also comprises back-moving spring.Therefore, handover operation pin always can be resiliently biased the position that the operation panel to switching position detector is extruded.
Switching position detector according to vacuum circuit-breaker of the present disclosure also comprises pin, and it extends to the both sides in the first plate portion by the first plate portion of operation panel; And curved extension, it is arranged on the leading end of handover operation plate, and have curved extension by pin extrusion operation plate thus second plate portion extruding sensitive switch position, and bend release pin position.Therefore, curved extension can smoothly close to pin with downward extrusion operation plate.Therefore, operation panel extrudes the faulty operation that sensitive switch detects effectively to prevent the switching position of vacuum circuit-breaker.
Switching position detector according to vacuum circuit-breaker of the present disclosure also comprises slip pin, and its one end is inserted into the horizontal concrete chute portion of the second bearing support, and the other end is connected on handover operation plate.Therefore, handover operation plate can be directed to the position of handover operation plate extrusion operation plate and the position of handover operation plate releasing operation plate with can the activity of level.
Switching position detector according to vacuum circuit-breaker of the present disclosure also comprises the first bearing support; Operation panel; Sensitive switch, it exports and represents the make position of breaker body or the electric position detection signal of interruption position; Second bearing support; Handover operation plate, it flatly movablely can make operation panel be squeezed in test position to handover operation plate extrusion operation plate or disconnects the position of action bars of sensitive switch of position, or operation panel promotes by operating pin with the position of releasing operation plate.Therefore, can obtain and represent the make position of breaker body or the electric position detection signal of interruption position, thus, the switching state of vacuum circuit-breaker can be monitored from remote location, and prevent the make position of the breaker body of circuit breaker or interruption position by the test position mistakenly in vacuum circuit-breaker or disconnect position probing.
Claims (4)
1., for a switching position detector for vacuum circuit-breaker, it is characterized in that, detector comprises:
First bearing support, it is fixed on vacuum circuit-breaker, and has the pair of side plates of top board and top support plate from below;
Operation panel, it is by described first branching bolster supporting and can be movable up or down, and it has top board the first plate portion upwardly from described first bearing support, and be connected to described first plate portion and the second plate portion movable up or down together with the first plate portion, and described second plate portion is positioned between two side plates of described first bearing support;
There is the sensitive switch of action bars, described action bars extends in the motion track in the second plate portion of described operation panel, switch actuating force to obtain Mechanical Contact, whether described action bars is fixedly placed on described first bearing support and is extruded by the second plate portion according to described sensitive switch and export the electric position detection signal of vacuum circuit-breaker;
Second bearing support, it is arranged with the first bearing support of contiguous described vacuum circuit-breaker regularly, and it comprises paired supporting side plate, and each supporting side plate all has horizontal concrete chute portion; And
Handover operation plate, it is flatly movable that it is supported by the horizontal concrete chute portion of described second bearing support to carry out, and flatly movablely make the position of described second plate portion extruding sensitive switch to handover operation plate extrusion operation plate, and the position of handover operation plate releasing operation plate;
Pin, it extends to the both sides in the first plate portion by the first plate portion of operation panel; And
Curved extension, its leading end and extending to being arranged on handover operation plate is bent upwards obliquely, and described curved extension have curved extension by pin extrusion operation plate thus make second plate portion extruding sensitive switch position, and curved extension is according to the position of the motion release pin of handover operation plate
Wherein, when handover operation plate level ground movable to switching position detector prevent faulty operation position time, described curved extension smoothly close to described pin to extrude described operation panel downwards, further, described operation panel extrudes the faulty operation that sensitive switch detects effectively to prevent the switching position of vacuum circuit-breaker.
2. as claimed in claim 1 for the switching position detector of vacuum circuit-breaker, also comprise back-moving spring, its one end is by the second branching bolster supporting, and the other end is supported by handover operation plate, thinks that handover operation plate provides elastic force to make its activity to the position of handover operation plate extrusion operation plate.
3. switching position detector as claimed in claim 1, also comprise slip pin, its one end is inserted in the horizontal concrete chute portion of the second bearing support, and the other end is connected on handover operation plate.
4., for the vacuum circuit-breaker comprised with lower component: support, it has the terminal that is connected to external power source and electric loading and for providing support base;
Breaker body, comprises breaker body terminal, and it has run location and the test position be separated with the terminal of described support of the terminal being connected to described support or disconnects position; And vacuum interrupter, it is for switching the circuit between external power source and electric loading, and described breaker body has for the make position of closed circuit and the interruption position for opening circuit;
Movable stand assembly, it loads and movable run location, test position to described support or disconnect position together with breaker body; And
Operation pin, it is arranged in movable stand assembly, with under the state being in run location at described breaker body terminal, according to the make position of breaker body or interruption position vertically movable,
For the switching position detector of vacuum circuit-breaker,
It is characterized in that, described switching position detector comprises:
First bearing support, it is fixed on the preset position place of the substrate of support, and has the pair of side plates of top board and top support plate from below;
First bearing support, it to be fixed on vacuum circuit-breaker and to have the pair of side plates of top board and top support plate from below;
Operation panel, it is by described first branching bolster supporting and can be movable up or down, and its have from the top board of described first bearing support the first plate portion upwardly be connected to described first plate portion and the second plate portion movable up or down together with the first plate portion, and described second plate portion is positioned between two side plates of described first bearing support;
There is the sensitive switch of action bars, described action bars extends in the motion track in the second plate portion of described operation panel, switch actuating force to obtain Mechanical Contact, whether described action bars is fixedly placed on described first bearing support and is extruded by the second plate portion according to described sensitive switch and export and represent the make position of breaker body or the electric position detection signal of interruption position;
Second bearing support, it is arranged with contiguous described first bearing support in the substrate of support regularly, and it comprises paired supporting side plate, and each supporting side plate all has horizontal concrete chute portion; And
Handover operation plate, it is supported with flatly activity to the position of handover operation plate extrusion operation plate by the horizontal concrete chute portion of described second bearing support, thus make described second plate portion be squeezed in test position or disconnect the action bars of sensitive switch of position, and activity is promoted with the position of releasing operation plate to handover operation plate by described operation pin;
Pin, it extends to the both sides in the first plate portion by the first plate portion of operation panel; And
Curved extension, its leading end and extending to being arranged on handover operation plate is bent upwards obliquely, and described curved extension have curved extension by pin extrusion operation plate thus make second plate portion extruding sensitive switch position, and curved extension is according to the position of the motion release pin of handover operation plate
Wherein, when handover operation plate level ground movable to switching position detector prevent faulty operation position time, described curved extension smoothly close to described pin to extrude described operation panel downwards, further, described operation panel extrudes the faulty operation that sensitive switch detects effectively to prevent the switching position of vacuum circuit-breaker.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0056443 | 2011-06-10 | ||
| KR1020110056443A KR101220855B1 (en) | 2011-06-10 | 2011-06-10 | Switching position detector for vacuum circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102820165A CN102820165A (en) | 2012-12-12 |
| CN102820165B true CN102820165B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210192105.2A Active CN102820165B (en) | 2011-06-10 | 2012-06-11 | Switching position detector for vacuum circuit breaker |
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| Country | Link |
|---|---|
| KR (1) | KR101220855B1 (en) |
| CN (1) | CN102820165B (en) |
| BR (1) | BR102012014096B1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106206100B (en) * | 2016-08-31 | 2022-01-18 | 湖北盛佳电器设备有限公司 | Trigger mechanism and automatic switching-on device with same |
| KR101893593B1 (en) | 2016-11-09 | 2018-08-31 | 엘에스산전 주식회사 | molded case circuit breaker |
| KR200492345Y1 (en) * | 2018-09-21 | 2020-09-22 | 엘에스일렉트릭(주) | High voltage electric switchboard |
| KR102110759B1 (en) * | 2018-10-19 | 2020-05-14 | 주식회사 비츠로이엠 | Bypass switch |
| CN110445017B (en) * | 2019-08-09 | 2023-08-01 | 深圳金奇辉电气有限公司 | Integrated AC power input module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1296341A2 (en) * | 2001-09-25 | 2003-03-26 | Yazaki Corporation | Lever fitting-type manual disconnector |
| CN2620369Y (en) * | 2003-04-23 | 2004-06-09 | 李祥启 | Lifting limit switch for vertical parking equipment |
| CN2847504Y (en) * | 2005-12-01 | 2006-12-13 | 李银忠 | Outdoor high voltage isolation switch for preventing error locking |
| CN201289801Y (en) * | 2008-10-10 | 2009-08-12 | 施耐德电器工业公司 | Mechanism for preventing disoperation of switch handle and switch apparatus with the mechanism |
| CN101783265A (en) * | 2008-12-31 | 2010-07-21 | Ls产电株式会社 | Run/test position indicator devices in circuit breaker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100459480B1 (en) * | 2002-09-30 | 2004-12-03 | 엘지산전 주식회사 | Interlock apparatus of vacuum circuit breaker |
| KR200340100Y1 (en) | 2003-08-19 | 2004-01-31 | 현대중공업 주식회사 | Position indicator for VCB |
-
2011
- 2011-06-10 KR KR1020110056443A patent/KR101220855B1/en active IP Right Grant
-
2012
- 2012-06-11 BR BR102012014096-9A patent/BR102012014096B1/en active IP Right Grant
- 2012-06-11 CN CN201210192105.2A patent/CN102820165B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1296341A2 (en) * | 2001-09-25 | 2003-03-26 | Yazaki Corporation | Lever fitting-type manual disconnector |
| CN2620369Y (en) * | 2003-04-23 | 2004-06-09 | 李祥启 | Lifting limit switch for vertical parking equipment |
| CN2847504Y (en) * | 2005-12-01 | 2006-12-13 | 李银忠 | Outdoor high voltage isolation switch for preventing error locking |
| CN201289801Y (en) * | 2008-10-10 | 2009-08-12 | 施耐德电器工业公司 | Mechanism for preventing disoperation of switch handle and switch apparatus with the mechanism |
| CN101783265A (en) * | 2008-12-31 | 2010-07-21 | Ls产电株式会社 | Run/test position indicator devices in circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| BR102012014096A2 (en) | 2014-04-15 |
| KR20120137110A (en) | 2012-12-20 |
| CN102820165A (en) | 2012-12-12 |
| KR101220855B1 (en) | 2013-01-10 |
| BR102012014096B1 (en) | 2021-06-08 |
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