CN102820165A - Switching position detector for vacuum circuit breaker - Google Patents

Switching position detector for vacuum circuit breaker Download PDF

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Publication number
CN102820165A
CN102820165A CN2012101921052A CN201210192105A CN102820165A CN 102820165 A CN102820165 A CN 102820165A CN 2012101921052 A CN2012101921052 A CN 2012101921052A CN 201210192105 A CN201210192105 A CN 201210192105A CN 102820165 A CN102820165 A CN 102820165A
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CN
China
Prior art keywords
breaker
board
support
bearing support
vacuum circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2012101921052A
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Chinese (zh)
Other versions
CN102820165B (en
Inventor
金仁谦
安吉荣
梁承必
杨弘益
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LS Electric Co Ltd
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LS Industrial Systems Co Ltd
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Filing date
Publication date
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Publication of CN102820165A publication Critical patent/CN102820165A/en
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Publication of CN102820165B publication Critical patent/CN102820165B/en
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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
    • 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"
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/03—Avoiding erroneous switching

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

The switching position detector that is used for vacuum circuit-breaker
Technical field
The disclosure relates to vacuum circuit-breaker; Especially; Relate to a kind of switching position detector that is used for vacuum circuit-breaker that prevents the faulty operation device and have this device that is used for the switching position detector, the said faulty operation device that prevents can prevent the wrong detection of switching position detector.
Background technology
Vacuum circuit-breaker is a kind of like this electric device; It can monitor the abnormal current that has as on the power circuit of the superhigh pressure of tens thousand of volts or high pressure in full kilovolt; And can when producing abnormal current, automatically cut off power circuit; Thereby protection is connected to the electric wire and the electrical load device at rear portion; And be used for producing or the general place (like power plant or branch power plant) of electrical power distribution, this vacuum circuit-breaker is contained in the distribution panelboard with monitoring and protecting device (like digital relay) usually.
Vacuum circuit-breaker comprises the drawing and pulling type circuit breaker that the breaker body of irremovable fixed circuit breaker of the breaker body of circuit breaker and circuit breaker can move.The drawing and pulling type vacuum circuit-breaker is because it is in the facility of safeguarding and changing and by use mainly.
The drawing and pulling type vacuum circuit-breaker comprises the breaker body and the movable stand assembly (truck assembly) of support, circuit breaker.
Here, support is the housing of vacuum circuit-breaker, and it is fixed in the distribution panelboard, and said support has the terminal that is connected with the power line of external power source and electric loading.
The breaker body of said circuit breaker comprises: main circuit unit, and it is included as each vacuum interrupter that is provided with mutually of three-phase alternating current (AC); Switching mechanism is used for switching simultaneously corresponding main circuit unit; And the terminal of breaker body, it can be connected with the terminal of support.
In other words the movable stand assembly is also referred to as " frame component is transported in activity ", comprising: through the main shaft of handle rotation, it has thread surface; And movable stand (frame is transported in the activity of being also referred to as), it has the inside of being fixed in 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 above that.
The position of vacuum circuit-breaker comprises: run location (being 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 breaks off each other with the terminal of support and being connected, and still, the control power supply is connected to the breaker body of circuit breaker, thus whether the breaker body that can implement circuit breaker is by the test of normal switching; And break off link position (be also referred to as and extract the position out), and in this position, the terminal of breaker body breaks off each other with the terminal of support and being connected, and breaks off the control power supply, thus the supply of breaking off the control power supply.
According to movable contact in the vacuum interrupter of main circuit unit and the circuit switching position between the fixed contact (like contact position or open position), this run location can be subdivided into make position (being also referred to as closed circuit position) and interruption position (being also referred to as the open-circuit position).
Whether in order to be in the close position or interruption position current from remote location monitoring vacuum circuit-breaker, the switching position detector of vacuum circuit-breaker is used for converting the mechanical switched arrangement of vacuum circuit-breaker to the signal of telecommunication to prove that this signal of telecommunication is the position detection signal of being asked.
In addition, owing to can not directly check the make position of vacuum circuit-breaker or the switching position of interruption position from remote location, thereby said position detection signal should correctly and reliably be provided.
Summary of the invention
Therefore; A scheme of the present disclosure is; What a kind of switching position detector that is used for vacuum circuit-breaker was provided prevents the faulty operation device; It can be additionally provided on the switching position detector of vacuum circuit-breaker, is used for providing reliably vacuum circuit-breaker whether to be in the Current Position of make position or interruption position.
Another scheme of the present disclosure is, a kind of switching position detector that is used for vacuum circuit-breaker is provided, and it comprises and prevent the faulty operation device, thereby makes this vacuum circuit-breaker that position detection signal can be provided reliably.
A scheme of the present disclosure can realize through a kind of foundation faulty operation device that prevents that is used for the switching position detector of vacuum circuit-breaker of the present disclosure is provided; This prevents that the faulty operation device from comprising: bearing support; It is fixedly placed in the vacuum circuit-breaker; And it comprises paired supporting side plate, and each supporting side plate all has horizontal concrete chute portion; And
The handover operation plate, its horizontal concrete chute portion supporting by said bearing support is movable with flatly.
Another scheme of the present disclosure can realize that said detector comprises through a kind of foundation switching position detector that is used for vacuum circuit-breaker of the present disclosure is provided:
First bearing support, it is fixed on the vacuum circuit-breaker and has top board and the pair of side plates that is used for the top support plate from the below;
Operation panel; It is by said first branching bolster supporting and activity up or down; And its have from the top board of said first bearing support to first board of upper process be connected to said first board and the second therewith movable up or down board, and said second board is between two side plates of said first bearing support;
Sensitive switch with action bars; Said action bars extends in the motion track of second board of said operation panel; Switch actuating force to obtain Mechanical Contact, said action bars is fixedly placed on the said bearing support and according to said sensitive switch whether push the electric position detection signal of exporting vacuum circuit-breaker by second board;
Second bearing support, it is arranged first bearing support with contiguous said vacuum circuit-breaker regularly, and it comprises paired supporting side plate, each supporting side plate all has horizontal concrete chute portion; And
The handover operation plate; Its horizontal concrete chute portion supporting by said second bearing support is flatly movable to carry out; Thereby and flatly movablely make the position of said second board extruding sensitive switch and handover operation plate releasing operation plate to handover operation plate extrusion operation plate.
For the vacuum circuit-breaker that comprises with lower component:
Support, it has the terminal that is connected to external power source and electric loading and is used to be provided with supporting base;
Breaker body; It has the breaker body terminal and is used to switch the vacuum interrupter of the circuit of external power source or electric loading; Said body terminal has the run location of the terminal that is connected to said support and breaks off the test position that is connected or break off link position with the terminal of said support; Said vacuum interrupter is used to switch the circuit between external power source and the electric loading, and said breaker body has make position that is used for closed circuit and the interruption position that is used to open circuit;
The movable stand assembly, it loads and can move to run location, the test position in the said support or breaks off link position with breaker body; And
The operation pin; It is arranged in the movable stand assembly; To be under the state of run location at said breaker body terminal; Make position or interruption position according to breaker body are vertically movable, and another scheme of the present disclosure can realize through a kind of switching position detector that is used for vacuum circuit-breaker is provided.
Said switching position detector comprises:
First bearing support, it is fixed on the preset position of substrate of support and has top board and the pair of side plates that is used for the top support plate from the below;
First bearing support, it is fixed on the vacuum circuit-breaker and has top board and the pair of side plates that is used for the top support plate from the below;
Operation panel; It is by said first branching bolster supporting and activity up or down; And its have from the top board of said first bearing support to first board of upper process be connected to said first board and with the second movable up or down board of first board, and said second board is between two side plates of said first bearing support;
Sensitive switch with action bars; Said action bars extends in the motion track of second board of said operation panel; Switch actuating force to obtain Mechanical Contact, said action bars is configured on said first bearing support and according to said sensitive switch whether export the make position of expression breaker body or the electric position detection signal of open position by the extruding of second board regularly;
Second bearing support, it is arranged with said first bearing support in the substrate of near bracket regularly, and it comprises paired supporting side plate, each supporting side plate all has horizontal concrete chute portion; And
The handover operation plate; Thereby it is made said second operation panel be squeezed in test position or breaks off the position of action bars of the sensitive switch of link position to handover operation plate extrusion operation plate with flatly movable by the supporting of horizontal concrete chute portion of said second bearing support, and movablely promotes the position with the releasing operation plate by said operation pin to the handover operation plate.
Description of drawings
Accompanying drawing is involved further to be understood the present invention to provide, and it is incorporated in the disclosure and constitutes 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 with the disclosure.
In the accompanying drawings:
Fig. 1 is outward appearance and the stereogram of main element that shows the breaker body of vacuum circuit-breaker, can be equipped with according to the switching position detector of preferred embodiment of the present disclosure therein and prevents the faulty operation device.
Fig. 2 is the stereogram that shows the structure of sliding support component and transverse beam assembly in the vacuum circuit-breaker.
Fig. 3 is the stereogram that shows the structure of the operation pin components in the sliding support component that is included among Fig. 2 extraly.
Fig. 4 shows outward appearance and the foundation stereogram that is arranged on the position of the switching position detector on the support of the present disclosure that is included in the support in the vacuum circuit-breaker.
Fig. 5 is the stereogram that shows according to the structure of the switching position detector that is used for vacuum circuit-breaker of preferred embodiment of the present disclosure.
Fig. 6 is the longitdinal cross-section diagram that shows the switching position detector of Fig. 5.
Fig. 7 is the partial enlarged drawing that shows according to the running status of the support of preferred embodiment of the present disclosure and switching position detector; The breaker body of circuit breaker was in the support that breaks off link position and vacuum circuit-breaker and fully separated this moment; Thereby the breaker body that makes circuit breaker is not present in the support, and wherein the part with the double dot dash line mark is the enlarged drawing that shows the state that is in the switching position detector that breaks off link position.
Fig. 8 is the partial enlarged drawing that shows according to the running status of the breaker body of the support of preferred embodiment of the present disclosure, circuit breaker and switching position detector; The terminal of the breaker body of circuit breaker breaks off with the terminal of the support of vacuum circuit-breaker and being connected at this moment; Yet the control power supply is in the test position that the control power supply is fed into the breaker body of circuit breaker, and wherein the part with the double dot dash line mark is the enlarged drawing that shows the running status of the switching position detector that is in test position.
Fig. 9 shows the partial enlarged drawing according to the running status of the breaker body of the support of preferred embodiment of the present disclosure, circuit breaker and switching position detector; The terminal of the breaker body of the terminal of the support of vacuum circuit-breaker and circuit breaker is in run location at this moment; 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, is the enlarged drawing of running status of switching position detector of interruption position that shows the whole lip-deep run location that is in vacuum circuit-breaker and be in the breaker body of circuit breaker simultaneously with the part of double dot dash line mark wherein.
Figure 10 shows the partial enlarged drawing according to the running status of the breaker body of the support of preferred embodiment of the present disclosure, circuit breaker and switching position detector; The terminal of the breaker body of the terminal of the support of vacuum circuit-breaker and circuit breaker is in run location at this moment; 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 a make position, is the enlarged drawing that shows the running status of the switching position detector that is in run location from the visual angle of whole vacuum circuit-breaker and side by side is in interruption position from the visual angle of the breaker body of circuit breaker with the part of double dot dash line mark wherein.
Figure 11 is the stereogram of the structure that prevents the faulty operation device that shows the switching position detector that is used for vacuum circuit-breaker of the foundation preferred embodiment of looking down obliquely from the top of the present disclosure.
Figure 12 is the stereogram of the structure that prevents faulty operation device and switching position detector that shows the vacuum circuit-breaker of the foundation preferred embodiment of looking down obliquely from the top of the present disclosure.
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 in the support that is set at vacuum circuit-breaker, and wherein the part with the double dot dash line mark is to show the enlarged drawing that prevents faulty operation device and switching position detector.
Figure 14 shows according to the switching position detector of preferred embodiment of the present disclosure, prevents the partial enlarged drawing of the relative structure of faulty operation device and sliding support component; This moment the switching position detector, prevent that faulty operation device and sliding support component are set in the support of vacuum circuit-breaker, wherein with the part of double dot dash line mark be show the switching position detector, prevent the faulty operation device, the enlarged drawing of the relative structure of sliding support component and operation pin components.
Figure 15 shows according to the running status of the breaker body of the support of preferred embodiment of the present disclosure and circuit breaker and prevents the faulty operation device and the partial enlarged drawing of the running status of switching position detector; The terminal of the breaker body of circuit breaker breaks off with the terminal of the support of vacuum circuit-breaker and being connected at this moment; Yet circuit breaker is in test position; In this position; The control power supply is fed into the breaker body of circuit breaker, and wherein the part with the double dot dash line mark is to show switching position detector that is in test position and the enlarged drawing that prevents the running status of faulty operation device.
Figure 16 shows according to the running status of the breaker body of the support of preferred embodiment of the present disclosure and circuit breaker and prevents the faulty operation device and the partial enlarged drawing of the running status of switching position detector; The terminal of the breaker body of the terminal of the support of vacuum circuit-breaker and circuit breaker is in run location at this moment; 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, is to show to be in run location from the visual angle of whole vacuum circuit-breaker and side by side to be in the switching position detector of interruption position and the enlarged drawing that prevents the running status of faulty operation device from the visual angle of the breaker body of circuit breaker with the part of double dot dash line mark wherein.
Figure 17 shows according to the running status and the switching position detector of the breaker body of the support of preferred embodiment of the present disclosure and circuit breaker and prevents the partial enlarged drawing of the running status of faulty operation device; The terminal of the breaker body of the terminal of the support of vacuum circuit-breaker and circuit breaker is in run location at this moment; 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, and is to show to be in run location from the visual angle of whole vacuum circuit-breaker and side by side to be in the switching position detector of closed interruption position and the enlarged drawing that prevents the running status of faulty operation device from the visual angle of the breaker body of circuit breaker with the part of double dot dash line mark wherein.
Embodiment
To exemplary embodiment at length be disclosed now with reference to accompanying drawing.In order briefly to describe with reference to accompanying drawing, parts identical or that be equal to will be provided with identical Reference numeral, and no longer repeat its description.
At first; With combining the concise and to the point outward appearance and main configuration of describing the breaker body of the circuit breaker that is used for vacuum circuit-breaker of Fig. 1; Fig. 1 is outward appearance and the stereogram of main element that the main body of the circuit breaker that is used for vacuum circuit-breaker is shown, in said vacuum circuit-breaker, be furnished with according to preferred embodiment switching position detector of the present disclosure with prevent the faulty operation device.
According to the switching position detector of preferred embodiment of the present disclosure and prevent that the faulty operation device can be configured in the breaker body 10 that is used for vacuum circuit-breaker; This breaker body 10 comprises: main circuit unit 10a, breaker body terminal 10b and 10c, and preceding operation panel 10d.
As stated; Said main circuit unit 10a is arranged in each phase (being also referred to as the utmost point) in the three-phase alternating current (AC); Like R phase, S phase and T mutually; And it can be by being used for the vacuum interrupter assembling that circuit switches, and each vacuum interrupter all is provided with fixed contact and movable contact in vacuum tank.Said vacuum interrupter has make position or open position, is used for closure or opens the external power source that connects through the terminal 10b of breaker body and the terminal of 10c and support (referring to 41a and the 41b of Fig. 8) and the power circuit between the electric loading.
The breaker body terminal 10b of breaker body 10 and 10c are the terminal of the breaker body 10 that can be electrically connected with the fixed contact and the movable contact of vacuum interrupter, and this vacuum interrupter can be electrically connected with the power circuit between the three-phase circuit between the three-phase circuit of external power source and the electric loading.The terminal 10b of breaker body and 10c comprise three terminal and three terminals that are used for electric loading of being used for power supply, and each terminal that is used for power supply all has a plurality of finger-type contactors, and each terminal that is used for electric loading also has a plurality of finger-type contactors.
Operation panel 10d is the user interface in vacuum circuit-breaker before said; It is provided with controls button and display unit; Control button and display unit through this, the user can control the switching of vacuum circuit-breaker, and this operation header board 10d also is provided with and is used to the control handle that makes the closing spring energy storage.
Said breaker body 10 also comprises the switching mechanism (not shown), and it drives movable contact to make position or open position in the vacuum interrupter of main circuit unit 10a.Here, switching mechanism can comprise the drive source such as spring or electrical actuator, and it is used for driving switching; And a plurality of chain links, it is used for the actuating force from drive source is passed to the movable contact of the vacuum interrupter of main circuit unit 10a as known.
Breaker body 10 can be assemblied on the movable stand assembly 30, its activity according to the activity of the movable stand assembly 30 shown in Fig. 1.
The handle of the main shaft (referring to the Reference numeral among Fig. 2 31) in beam assembly 20 supportings and the contact movable stand assembly 30 connects end 31a.When the control handle (not shown) is connected to handle and connects end 31a with the rotation control handle, this main axis rotation, thus drive movable stand assembly 30 forward and backward.
Beam assembly 20 comprises the cramp bar 20a that is fixed in following support, and this cramp bar 20a is supported in two horizontal sides to form reciprocating mode.The reason that the expression of this " reciprocating mode " is used is, thus Reference numeral do not indicate and be included in handle activity to a side in the beam assembly 20 among Fig. 1 make the cramp bar 20a that is connected on the corresponding handle can be movable with from two horizontal ends projections of beam assembly 20 or hide to a side.Therefore; When spurring corresponding handle forward under the state that is driven to stowed position at cramp bar 20a, beam assembly 20, be connected to the movable stand assembly 30 on the beam assembly 20 and the breaker body 10 that is assemblied on the movable stand assembly 30 is fully taken out to extract out discretely from following support through main shaft.
Cramp bar 20a can be inserted into not in the support holes portion that indicates through Reference numeral being supported, and this support holes portion is provided with the front side (terminals side is a rear side, and its opposition side is the front side) of support 40 in Fig. 4 accordingly.
On the other hand; With combining Fig. 2 briefly to be described in the vacuum circuit-breaker operation and structure as the movable stand assembly 30 of the propelling of the breaker body of circuit breaker and the head of pulling out, Fig. 2 is the stereogram that shows the structure of movable stand assembly and beam assembly in vacuum circuit-breaker.
Movable stand assembly 30 comprises movable stand 30a, nut assembly 33 and operation pin components 34.
Movable stand 30a is also referred to as activity and transports frame, and it is for being used for assembling breaker body 10 above that and making breaker body 10 near the direction of propulsion of the terminal unit 41a of support (Reference numeral 40 of Fig. 8) and 41b or away from the terminal unit 41a of support (Reference numeral 40 of Fig. 8) and 41b and near the device of activity on the pull-out direction of the beam assembly 20 of Fig. 2.Movable stand 30a is provided with four runners 32, this runner by axle in pairs supporting can rotate and it is set at both sides.Thereby said runner 32 is inserted in the pair of guide rails 44 of bottom of the inner wall surface that is arranged on two sidewalls 43 among Fig. 4 it and advances and be directed.The movable stand 30a of movable stand assembly 30 comprises that a pair of level cuts peristome 35, and it longitudinally extends on the bottom to allow preventing that the pair of curved extension in the faulty operation device (referring to the Reference numeral 73a among Figure 14) from running through and the bottom of horizontal anomalous movement to the movable stand 30a following.
Main shaft 31 comprises that handle connects end 31a, and it extends to the inboard of movable stand 30a and pass beam assembly 20 and is exposed to the outside.Main shaft 31 has the thread surface on the most surfaces of being formed at and actuating force is provided, movable stand 30a activity through said actuating force when main shaft 31 is rotated through being connected to the operating grip (not shown).
Nut assembly 33 is fixed on the front side of movable stand 30a and movable backward reaching forward along this thread surface with the engagement of the thread surface of main shaft 31.
Operation pin components 34 is set at the bottom of a side of the inboard of the movable stand 30a in the movable stand assembly 30.
Fig. 3 is the stereogram that shows the structure of operation pin components 34 extraly, and in conjunction with Fig. 3, operation pin components 34 comprises operation pin 34a, back-moving spring 34b and bearing support 34c.
Operation pin 34a can be by the pin structure of metal material, and it has head and cylindrical bottom portion, and it is movable smoothly with up or down that this bottom has smooth surface.Like Fig. 8 and shown in Figure 9, under the state that the terminal 10b and the 10c of breaker body are in run location, according to the 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 implemented so that actuating force to be provided through a strength gearing chain ring that directly contacts the switching mechanism (not shown) that is connected to above-mentioned main circuit unit 10a; This actuating force is used for make position or the open position of activity to the movable contact of main circuit unit 10a; Also can according to the make position of breaker body 10 or interruption position through other like bar, the strength transmission device downward extrusion operation pin 34a of lever or releasing operation pin 34a and implement.
Bearing support 34c can be by the component construction with mechanical strength like the inverted U-shaped steel plate.Two downsides of corresponding steel plate have flange part, and said flange part can link in the preset position and the fixture of lower surface.The through hole (it does not indicate through corresponding Reference numeral) that said 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 by the upper surface supporting by bearing support 34c of the lower end of the head rest supporting of operation pin 34a and back-moving spring 34b, thereby back-moving spring 34b provides elastic force so that its movable rising initial position to as shown in Figures 2 and 3 to operation pin 34a.
On the other hand; The schematic structure of support and the position that is arranged on the switching position detector in the support will combine Fig. 4 to describe hereinafter; Fig. 4 is the stereogram of support, and it shows outward appearance that is included in the support in the vacuum circuit-breaker and the position that is arranged on the switching position detector in the support.
As shown in Figure 4, the front surface of support 40 is opened, and support can form by steel shell, and it comprises two side plates 43, pedestal 42, top cover portion (through the respective drawings labeling indicia), guide rail 44 and terminal unit 41a and 41b.Said support 40 is similarly the device that is used for providing to breaker body 10 supporting base.
Body terminal 10b shown in Fig. 1 and 10c have the run location of the terminal unit 41a that is connected at the support shown in Fig. 4 40 and 41b and break off test position or the disconnection link position that is connected with the terminal unit 41a of support 40 with 41b.
Especially, pedestal 42 can be by base plate structure, this substrate be set to separate with preset height with the lower surface of support 40 and and the space segment between the lower surface of substrate and support 40 leave.The top of switching position detector 50 is set in corresponding space from the substrate projection.
On the other hand; With combining Fig. 5 and Fig. 6 to describe structure according to the switching position detector of preferred embodiment of the present disclosure; Fig. 5 shows the stereogram according to the structure of the switching position detector of the vacuum circuit-breaker of preferred embodiment of the present disclosure, and Fig. 6 shows the vertical cross-section diagram of the switching position detector of Fig. 5.
Comprise according to the switching position detector of preferred embodiment of the present disclosure: first bearing support 58, operation panel 59 and sensitive switch 55.
First bearing support 58 is fixedly placed in the predeterminated position of support of vacuum circuit-breaker.According to preferred embodiment, said first bearing support 58 is fixedly placed on the predeterminated position of said base 42 of support of vacuum circuit-breaker.Said first bearing support 58 comprises top board 52 and a pair of side plate 53 that is used for the top support plate 52 from the below.
The lower surface of substrate that top board 52 can be connected to the pedestal 42 among Fig. 4 through screw fastening device (for example screw and nut) is to be fixed.Said top board 52 comprises the first conduit part 52a and the second conduit part 52b.
The first conduit part 52a extends upward with projection and inside with hollow from the top surface of top board 52, and its top and bottom are what open.When the bottom that first board 51 of the operation panel of mentioning when hereinafter 59 has a less width moves up or down, the bottom with less width of first board 51 that first conduit part 52a guiding is corresponding.In addition, the back-moving spring mentioned of hereinafter 56 is provided with to be directed through the first conduit part 52a to extend or to shrink around the first conduit part 52a.
The second conduit part 52b extend with from the position of the first conduit part 52a of the top surface that closes on top board 52 to upper process and inside with hollow, its top and bottom are what open.
Top support plate 52 and each side plate include channel guide section 53a to pair of side plates 53 from the below.Pair of side plates 53 interconnects so that flange connector portion is formed at the top at each side plate 53 through having corresponding flange unit with top board 52, and the lower surface of top board 52 faces with each other with the lower surface through fastening flange part of fastener (like screw and nut) and top board 52.
Operation panel 59 comprises first board 51 and second board 54, and is supported with activity up or down by first bearing support 58.
First board 51 is orientated top board 52 from first bearing support 58 as to upper process.First board 51 comprises head and bottom, and the bottom has elongation ground extension between two side plates 53 of the width littler than the width of head.The head of first board 51 is trapezoidal board, and it has inclined surface 51a and between two inclined surface 51a, has plane 51b in both sides, and the centre has pin bores 51e therein.
Second board 54 is positioned between two side plates 53 of first bearing support 58 as the part of operation panel 59, and it can be connected to first board 51 with can be movable up or down with first board 51.According to preferred embodiment, second board 54 can be connected to first board 51 through the bottom of first board 51 here, and is connected to the connecting portion 54a of second board 54 through screw, nuts and washers.
Second board 54 comprises connecting portion 54a, guide block 54b, bend 54c and goes up the 54d of guide protrusion portion.
Connecting portion 54a is formed from the central upper on the plate surface of second board 54 and holds up and be connected to the bottom like the first above-mentioned board 51.
Guide block 54b extends from the both sides of second board 54 of operation panel 59 and is inserted into the channel guide section 53a of side plate 53, with the activity up or down of pilot operationp plate 59 firmly.
Bend 54c in the bottom of second board 54 the plate surface from second board 54 crooked along right angle orientation, and when descending along the action bars 55a of forward direction extruding sensitive switch 55, perhaps when rising, discharge the action bars 55a of sensitive switch 55.
The last guide protrusion 54d of portion is arranged on the both sides on the top of second board 54, rises smoothly and descends with second board 54 of guiding at two side plates 53 to front protrusion with the plate surface from second board 54.
Be opened by Mechanical Contact or be closed like the inside contact of known sensitive switch 55, thus the sensitive switch 55 output signals of telecommunication.As shown in Figure 6, switch actuating force in order to receive Mechanical Contact, said sensitive switch 55 has the action bars 55a in the motion track (locus) of second board 54 that extends to operation panel 59.Action bars 55a comprises that known rotation at leading end weakens the roller bearing of mechanical shock.Said sensitive switch 55 is arranged in the side plate 53 of first bearing support 58 regularly, thereby whether the inside contact (not shown) is extruded according to the second board 54f and is opened or closed.Therefore, through opening or closure of inside contact, said sensitive switch 55 output potentials are put detection signal, and this signal can be indicated the make position or the interruption position (switching position also promptly) of vacuum circuit-breaker (particularly breaker body 10).
Reference numeral 55b has indicated the hold-down screw that is used for sensitive switch 55 is fixed to the inwall place of side plate 53.
On the other hand, with combining Fig. 7 to Figure 10 to describe operation according to the switching position detector with above-mentioned configuration of preferred embodiment of the present disclosure.
At first; In conjunction with Fig. 7 the operation that is in the switching position detector 50 that breaks off link position according to preferred embodiment of the present disclosure is described; At said disconnection link position, owing to the support 40 of breaker body 10 with vacuum circuit-breaker fully separates, so breaker body 10 is not present in the support.
As shown in Figure 7; Because breaker body 10 is not present in the support 40; Thereby first board 51 that makes the switching position detector 50 in the pedestal 42 that is in support 40 is not by the pressure extrusion from the top; First board 51 by back-moving spring 56 elasticity extruding rising, thereby make first board 51 from the top board of pedestal 42 to upper process.Therefore; Second board 54 below first board 51 is connected to first board 51; And the action bars 55a of release sensitive switch 55; Thereby the inside contact that makes sensitive switch 55 is opened and sensitive switch 55 output potentials are put detection signal, this signal indication this constantly breaker body 10 be in the close position, it be the operation of mistake.
Afterwards; To the operation according to the support that is in test position 40, breaker body 10 and the switching position detector 50 of preferred embodiment of the present disclosure be described with reference to Fig. 8; At test position, the terminal unit 41a of the terminal 10b of breaker body 10 and the support 40 of 10c and vacuum circuit-breaker and 41b branch are opened, yet; The control terminal (not shown) of breaker body 10 is connected to the control terminal (not shown) of support 40; For example, be fed into breaker body 10 such as the control power supply of DC power supply, thus can test both opens device main body 10 whether by normal switching.
As shown in Figure 8; When at test position movable stand assembly 30 extruding first board 51; First board 51 descends through the pressure from the top, thereby makes under first board 51 and be connected to the action bars 55a of second board, the 54 extruding sensitive switches 55 of first board 51.Therefore, 55 output potentials are put detection signal thereby the inside contact of sensitive switch 55 is closed sensitive switch, this signal indication this constantly breaker body 10 be in interruption position, it be the operation of mistake.
Afterwards; With combining Fig. 9 to describe operation according to the support 40 at run location, breaker body 10 and the switching position detector 50 of preferred embodiment of the present disclosure; At run location; The terminal unit 41a of the support 40 of vacuum circuit-breaker and 41b are connected to the terminal 10b and the 10c of breaker body 10, and at this constantly, the operating position of breaker body 10 is in interruption position.
As shown in Figure 9, at run location, the terminal unit 41a of support 40 and the terminal 41a-1 of 41b and 41b-1 are connected to the terminal 10b and the 10c of breaker body 10.At this constantly; Movable contact in the vacuum interrupter of the main circuit unit (referring to the Reference numeral 10a of Fig. 1) of breaker body 10 is under the situation of the interruption position of separating with fixed contact; As stated; By extruding downwards, this action also can be accomplished through other force actuators through the power gearing chain ring of the switching mechanism (not shown) of the switching position of the arbitrary movable contact that is provided for activity main circuit unit 10a of direct contact as the operation pin 34a of operation pin components 34, promptly; Bar, lever, chain link move downward operation pin 34a.Therefore; The bottom extruding of the operation pin 34a that descends is positioned at first board 51 of the switching position detector 50 of operation pin 34a below; Thereby first board 51 is descended through the top applied pressure, and make and is connected with first board 51 and second board 54 below first board 51 pushes the action bars 55a of sensitive switches 55.Therefore, when the inside contact of sensitive switch 55 was closed, sensitive switch 55 was implemented normal running, i.e. output is illustrated in the electric position detection signal that this moment breaker body 10 is in interruption position.
Afterwards; With combining Figure 10 to describe operation according to the support that is in run location 40, breaker body 10 and the switching position detector 50 of preferred embodiment of the present disclosure; At run location; The terminal unit 41a of the support 40 of vacuum circuit-breaker and 41b are connected to the terminal 10b and the 10c place of breaker body 10, and meanwhile, the operating position of breaker body 10 is a make position.
Shown in figure 10, at run location, the terminal unit 41a of support 40 and the terminal 41a-1 of 41b and 41b-1 are connected to the terminal 10b and the 10c of the breaker body 10 that is in run location.At this constantly; In the main circuit unit (referring to the Reference numeral 10a of Fig. 1) of breaker body 10 thus vacuum interrupter in the situation of make position of movable contact contact fixed contact closing of circuit under; As preceding text are described; Be provided for activity main circuit unit 10a movable contact switching position actuating force the switching mechanism (not shown) power gearing chain ring or divide like the operation pin 34a of other force actuators of bar, lever and chain link and operation pin components 34 and to open, and operation pin 34a receives the elasticity extruding of back-moving spring 34b and rises.Therefore, the operation pin 34a that first board 51 of switching position detector 50 is risen discharges, thereby first board 51 is risen through the elastic force of back-moving spring 56.Therefore, below first board 51 and second board 54 that is connected to first board 51 move upward, and the action bars 55a of sensitive switch 55 is released.Therefore, sensitive switch 55 is implemented the normal running that output potential is put detection signal thereby the inside contact of sensitive switch 55 is opened, and this signal indication is in the close position in this moment breaker body 10.
Normally move at run location according to the switching position detector of preferred embodiment of the present disclosure 50, yet, at test position or break off link position and move by error.
Therefore; According to the disclosure; A kind of faulty operation device that prevents is provided, and it can prevent the error running of switching position detector 50 at test position or disconnection link position, and a kind of switching position detector with the vacuum circuit-breaker that prevents the faulty operation device is provided.
At first, with combining Figure 11 and Figure 12 to describe the structure that prevents the faulty operation device according to the switching position detector that is used for vacuum circuit-breaker of preferred embodiment of the present disclosure.
Shown in figure 11, the faulty operation device 70 that prevents of the switching position detector that is used for vacuum circuit-breaker of foundation preferred embodiment of the present disclosure comprises 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 first bearing support 58 (referring to Figure 12 and Figure 13) of the pedestal 42 of the support 40 of vacuum circuit-breaker.Second bearing support 71 comprises a pair of supporting side plate 72, and each supporting side plate 72 all has the 72a of horizontal concrete chute portion.Second bearing support 71 can be made by the box-shaped rigid structure, and this structure is formed with backboard by a pair of supporting side plate 72, and each supporting side plate 72 has the front side of opening to allow handover operation plate 73 backward or activity forward.
Handover operation plate 73 is constructed by the inverted U-shaped sheet material with horizontal top, and flatly and is movably supported by the 72a of horizontal concrete chute portion of second bearing support 71.Handover operation plate 73 can be flatly movable to such position: in this position, 73 extruding of handover operation plate are used for the action bars 55a of the operation panel 59 of second board 54 with extruding sensitive switch 55; Perhaps handover operation plate 73 also can be flatly movable to another position: in this position, and when handover operation plate 73 receives operation pin 34a extruding, handover operation plate 73 releasing operation plates 59.Especially, at test position or disconnection link position, handover operation plate 73 is the position of activity to handover operation plate 73 extrusion operation plates 59 flatly, thereby makes the action bars 55a of second board, 54 extruding sensitive switches 55; Or flatly activity to handover operation plate 73 receives the position of the promotion of operation pin 34a with releasing operation plate 59.The 73a of bending extension portion is bent upwards obliquely and extends from the leading end of handover operation plate 73.
Prevent that faulty operation device 70 from also comprising back-moving spring 75; One end of back-moving spring 75 is by 71 supportings of second bearing support; The other end provides elastic force to return initial position by 73 supportings of handover operation plate and for handover operation plate 73, at these position handover operation plate 73 extrusion operation plates 59.
In addition, prevent that faulty operation device 70 from also comprising slip pin 74, the one of which end is inserted among the 72a of horizontal concrete chute portion of second bearing support 71 and the other end is connected on the handover operation plate 73.Slip pin 74 is fastening and combine with a side of handover operation plate 73 through welding or bolt and nut.
On the other hand; With mainly combining Figure 12 secondary combined Fig. 5 and Fig. 6 to describe the structure that prevents the faulty operation device according to the switching position detector that is used for vacuum circuit-breaker of preferred embodiment of the present disclosure, and the structure that is provided with the switching position checkout gear that prevents the faulty operation device accordingly.
As shown in the figure; The switching position detector that prevents the faulty operation device that is provided with as vacuum circuit-breaker according to preferred embodiment of the present disclosure comprises first bearing support 58 as indicated above; Operation panel 59 with first board 51 and second board 54; Sensitive switch 55, the second bearing supports 71 and handover operation plate 73.
Be described owing to the structure of said elements can combine the explanation of the above-mentioned structure that prevents the faulty operation device and the explanation of above-mentioned switching position detector, thereby will omit the explanation of repetition, below will only describe additional element.
Being provided with in the switching position detector that prevents the faulty operation device of foundation preferred embodiment of the present disclosure, be provided with pin 57, its first board 51 that runs through operation panel 59 is to extend to the both sides of first board 51.
The 73a of bending extension portion has such position, passes through pin 57 at these position bending extension portion 73 extrusion operation plates 59, thereby makes the action bars 55a of second board, 54 extruding sensitive switches; Or have another position, discharge pin 57 in this position bending extension portion 73.
With combining Figure 15 to Figure 17 to describe operation according to the switching position detector that prevents the faulty operation device that is used for vacuum circuit-breaker that is provided with above-described structure of preferred embodiment of the present disclosure.
At first; Shown in figure 15; At test position or at unshowned disconnection link position; Although according to retreating of the movable stand assembly 30 that is in the disconnection link position; Operation pin 34a does not push first board 51, but the 73a of bending extension portion of handover operation plate 73 receives elastic force and the movable forward extruding pin 57 of back-moving spring 75, thereby makes first board 51 movable and make below first board 51 and be connected to the action bars 55a of second board, the 54 extruding sensitive switches 55 of first board 51 by the top applied pressure downwards.Therefore, the inside contact of sensitive switch 55 is closed state remains on disconnection link position and test position.Like this, in the inside contact of sensitive switch 55, 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 receive the expression interruption position at the change detection signal of the disconnection link position of vacuum circuit-breaker and test position to prevent that switching device shifter from being misread.
Afterwards; Shown in figure 16; At run location, the terminal of the support of vacuum circuit-breaker is connected on the terminal of breaker body of circuit breaker, and meanwhile; The operating position of the breaker body of circuit breaker is in interruption position, with the operation of describing according to preferred embodiment of the present disclosure that is provided with the switching position detector that prevents the faulty operation device that is used for vacuum circuit-breaker.
Shown in figure 16, at run location, the terminal unit 41a and the 41b of support 40 are connected on the terminal of breaker body 10.At this moment, handover operation plate 73 is promoted to retreat into the right side the accompanying drawing with the position from handover operation plate 73 extruding first board 51 by operation pin components 34.In addition; Under the situation of interruption position; In this position; Movable contact in the vacuum interrupter (not shown) of the main circuit unit 10a of breaker body 10 separates with fixed contact, as stated, if arbitrary power gearing chain ring of the switching mechanism (not shown) of the actuating force of the switching position of the movable contact through being provided for activity main circuit unit 10a or like other force actuators of bar, lever, chain link; The operation pin 34a of operation pin components 34 is extruded, and operation pin 34a moves downward.Therefore, first board 51 that the bottom of the decline of operation pin 34a promotes the switching position detector descends, thereby makes second board 54 that is connected with first board 51 promote the action bars 55a of sensitive switch 55.
Therefore, the inside contact of sensitive switch 55 is closed, thereby sensitive switch 55 output expression breaker body 10 are in the electric position detection signal of interruption position constantly at this.This electric position detection signal is transferred to Long-Range Surveillance Unit, thereby can detect the interrupt status of vacuum circuit-breaker from remote location, and need not directly to observe this vacuum circuit-breaker.
Afterwards; Shown in figure 17; At run location, the terminal of the support of vacuum circuit-breaker is connected to 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, with describing according to the support of preferred embodiment of the present disclosure and breaker body operation and the switching position detector and the operation that prevents the faulty operation device of circuit breaker.
Shown in figure 17, at run location, the terminal unit 41a and the 41b of support 40 are connected on the terminal of breaker body 10.Meanwhile, handover operation plate 73 promotes to retreat into the right side the accompanying drawing with the position from handover operation plate 73 extruding first board 51 via operation pin components 34.In addition; Under the situation of 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, and is described like preceding text, be provided for activity main circuit unit 10a movable contact switching position actuating force the switching mechanism (not shown) arbitrary power gearing chain ring or like the operation pin 34a of other force actuators releasing operation pin components 34 of bar, lever, chain link.Therefore; Operation pin 34a rises through back-moving spring 34b and gets back to initial position; Thereby first board 51 of switching position detector 50 is pushed and rises by the elastic force of back-moving spring 56, and makes below first board 51 and second board 54 that is connected to first board 51 rises to discharge the action bars 55a of sensitive switch 55.Therefore, the inside contact of sensitive switch 55 is opened, thereby sensitive switch 55 output expression breaker body 10 are at this electric position detection signal that is in the close position constantly.This electric position detection signal is transferred to Long-Range Surveillance Unit, thereby can detect and keep watch on the closure state of vacuum circuit-breaker from remote location, and need not directly to observe this vacuum circuit-breaker.
A kind of faulty operation device that prevents that is used for the switching position detector of vacuum circuit-breaker comprises: bearing support, and it is fixedly placed in the vacuum circuit-breaker, and comprises paired support plate, and each support plate all has horizontal concrete chute portion; And the handover operation plate, its horizontal concrete chute portion supporting by said bearing support is movable with flatly.Therefore, the handover operation plate through branching bolster supporting can horizontal anomalous movement, thereby can prevent that the switching position detector from operating by error.
Also comprise back-moving spring according to the faulty operation device that prevents that is used for the switching position detector of vacuum circuit-breaker of the present disclosure.Therefore, only if exist the edge direction opposite with the initial position of handover operation plate to be applied to the outside elastic force of handover operation plate, this handover operation plate can return automatically to initial position.
Also comprise the bending extension portion of the leading end that is arranged on the handover operation plate according to the faulty operation device that prevents that is used for the switching position detector of vacuum circuit-breaker of the present disclosure, it extends to be bent upwards obliquely.Therefore, when handover operation plate level ground movable to initial position, also promptly, the switching position detector prevent the faulty operation position, bending extension portion smoothly near the appropriate section of (land on) switching position detector with this appropriate section of downward extruding.
Also comprise the slip pin according to the faulty operation device that prevents that is used for the switching position detector of vacuum circuit-breaker of the present disclosure, the one of which end is inserted in the horizontal concrete chute portion of bearing support, and the other end is connected on the handover operation plate.Therefore, the handover operation plate can be movable with flatly by slip pin and the guiding of horizontal concrete chute portion.
The switching position detector of vacuum circuit-breaker comprises: first bearing support; First board, its from first bearing support to upper process; Operation panel; Sensitive switch with action bars, said action bars extend in the motion track of second board of said operation panel, switch actuating force to receive Mechanical Contact, thereby whether are extruded the electric position detection signal of exporting vacuum circuit-breaker according to second board; Second bearing support comprises paired supporting side plate, and each supporting side plate all has horizontal concrete chute portion; And can be flatly movable handover operation plate, it is flatly movable to the position that operation panel is extruded, thus said second board extruding sensitive switch is and movable to the d/d position of operation panel.Therefore, can detect the switching position of vacuum circuit-breaker and can prevent the faulty operation of switching position detector.
Switching position detector according to vacuum circuit-breaker of the present disclosure also comprises back-moving spring.Therefore, the handover operation pin can always flexibly be biased into the position that the operation panel of 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 of first board through first board of operation panel; And bending extension portion, it is arranged on the leading end of handover operation plate, thereby and have the position of bending extension portion through pin extrusion operation plate second board extruding sensitive switch, and bend discharges the position of pin.Therefore, bending extension portion can be smoothly near pin with downward extrusion operation plate.Therefore, operation panel pushes the faulty operation that sensitive switch detects with the switching position that prevents vacuum circuit-breaker effectively.
Switching position detector according to vacuum circuit-breaker of the present disclosure also comprises the slip pin, and the one of which end is inserted into the horizontal concrete chute portion of second bearing support, and the other end is connected on the handover operation plate.Therefore, the handover operation plate can be directed to handover operation plate extrusion operation plate the position of position and handover operation plate releasing operation plate with activity that can level.
Switching position detector according to vacuum circuit-breaker of the present disclosure also comprises first bearing support; Operation panel; Sensitive switch, the make position of its output expression breaker body or the electric position detection signal of interruption position; Second bearing support; The handover operation plate, thus it can be flatly movablely makes operation panel be squeezed in test position or breaks off the position of action bars of the sensitive switch of link position to handover operation plate extrusion operation plate, or operation panel promotes the position with the releasing operation plate by the operation pin.Therefore; Can obtain to represent the electric position detection signal of the make position or the interruption position of breaker body; Thereby; The switching state of vacuum circuit-breaker be can keep watch on from remote location, and the make position or the test position in vacuum circuit-breaker or the detection of disconnection link position by error of interruption position quilt of the breaker body of circuit breaker prevented.

Claims (9)

  1. A switching position detector that is used for vacuum circuit-breaker prevent the faulty operation device, it is characterized in that said device comprises:
    Bearing support, it is fixedly placed in the vacuum circuit-breaker, and comprises paired supporting side plate, and each supporting side plate all has horizontal concrete chute portion; And
    The handover operation plate, its horizontal concrete chute portion supporting by said bearing support is movable with flatly.
  2. 2. the faulty operation device that prevents as claimed in claim 1 also comprises back-moving spring, and the one of which end is by branching bolster supporting, and the other end thinks that by the supporting of handover operation plate the handover operation plate provides elastic force to return initial position.
  3. 3. the faulty operation device that prevents as claimed in claim 1 also comprises bending extension portion, and it is arranged on the leading end of handover operation plate and extends to be bent upwards obliquely.
  4. 4. the faulty operation device that prevents as claimed in claim 1 also comprises the slip pin, and the one of which end is inserted into the horizontal concrete chute portion of bearing support, and the other end is connected on the handover operation plate.
  5. 5. switching position detector that is used for vacuum circuit-breaker is characterized in that detector comprises:
    First bearing support, it is fixed on the vacuum circuit-breaker, and has top board and the pair of side plates of top support plate from the below;
    Operation panel; It is by said first branching bolster supporting and activity up or down; And it has from the top board of said first bearing support first board to upper process; And be connected to said first board and with the second movable up or down board of first board, and said second board is between two side plates of said first bearing support;
    Sensitive switch with action bars; Said action bars extends in the motion track of second board of said operation panel; Switch actuating force to obtain Mechanical Contact, said action bars is fixedly placed on said first bearing support and according to said sensitive switch whether push the electric position detection signal of exporting vacuum circuit-breaker by second board;
    Second bearing support, it is arranged first bearing support with contiguous said vacuum circuit-breaker regularly, and it comprises paired supporting side plate, each supporting side plate all has horizontal concrete chute portion; And
    The handover operation plate; Its horizontal concrete chute portion supporting by said second bearing support is flatly movable to carry out; Thereby and flatly movablely make the position of said second board extruding sensitive switch and the position of handover operation plate releasing operation plate to handover operation plate extrusion operation plate.
  6. 6. the switching position detector that is used for vacuum circuit-breaker as claimed in claim 5; Also comprise back-moving spring; The one of which end is by second branching bolster supporting, and the other end thinks that by the supporting of handover operation plate the handover operation plate provides elastic force to make the position of its activity to handover operation plate extrusion operation plate.
  7. 7. switching position detector as claimed in claim 5 comprises:
    Pin, it extends to the both sides of first board through first board of operation panel; And
    Bending extension portion, it is arranged on the leading end of handover operation plate, thereby and have bending extension portion and make the position of second board extruding sensitive switch through pin extrusion operation plate, and bending extension portion discharges the position of pin according to the motion of handover operation plate.
  8. 8. switching position detector as claimed in claim 5 also comprises the slip pin, and the one of which end is inserted in the horizontal concrete chute portion of second bearing support, and the other end is connected on the handover operation plate.
  9. 9. for the vacuum circuit-breaker that comprises with lower component: support, it has the terminal that is connected to external power source and electric loading and is used to provide support base;
    Breaker body comprises the breaker body terminal, and it has the run location of the terminal that is connected to said support and the test position that separates with the terminal of said support or breaks off link position; And vacuum interrupter, it is used to switch the circuit between external power source and the electric loading, and said breaker body has make position that is used for closed circuit and the interruption position that is used to open circuit;
    The movable stand assembly, its load with breaker body and movable to the said support run location, test position or break off link position; And
    The operation pin, it is arranged in the movable stand assembly, and is vertically movable according to the make position or the interruption position of breaker body to be under the state of run location at said breaker body terminal,
    The switching position detector that is used for vacuum circuit-breaker,
    It is characterized in that said switching position detector comprises:
    First bearing support, it is fixed on the preset position place of the substrate of support, and has top board and the pair of side plates of top support plate from the below;
    First bearing support, it is fixed on the vacuum circuit-breaker and has top board and the pair of side plates of top support plate from the below;
    Operation panel; It is by said first branching bolster supporting and activity up or down; And its have from the top board of said first bearing support to first board of upper process be connected to said first board and with the second movable up or down board of first board, and said second board is between two side plates of said first bearing support;
    Sensitive switch with action bars; Said action bars extends in the motion track of second board of said operation panel; Switch actuating force to obtain Mechanical Contact, said action bars is fixedly placed on said first bearing support and according to said sensitive switch whether export the make position of expression breaker body or the electric position detection signal of interruption position by the extruding of second board;
    Second bearing support, it is arranged with contiguous said first bearing support in the substrate of support regularly, and it comprises paired supporting side plate, each supporting side plate all has horizontal concrete chute portion; And
    The handover operation plate; Its by the supporting of horizontal concrete chute portion of said second bearing support with movable position flatly to handover operation plate extrusion operation plate; Thereby make said second operation panel be squeezed in test position or break off the action bars of the sensitive switch of link position, and movablely promote position by said operation pin to the handover operation plate with the releasing operation plate.
CN201210192105.2A 2011-06-10 2012-06-11 Switching position detector for vacuum circuit breaker Active CN102820165B (en)

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CN110445017B (en) * 2019-08-09 2023-08-01 深圳金奇辉电气有限公司 Integrated AC power input module

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