CN103177900A - Spring manipulater used for breaker and breaker - Google Patents
Spring manipulater used for breaker and breaker Download PDFInfo
- Publication number
- CN103177900A CN103177900A CN2012105481441A CN201210548144A CN103177900A CN 103177900 A CN103177900 A CN 103177900A CN 2012105481441 A CN2012105481441 A CN 2012105481441A CN 201210548144 A CN201210548144 A CN 201210548144A CN 103177900 A CN103177900 A CN 103177900A
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- Prior art keywords
- spring
- blocking
- breaker
- mobile jib
- main shaft
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H3/3005—Charging means
- H01H3/3015—Charging means using cam devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/40—Power arrangements internal to the switch for operating the driving mechanism using spring motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2217/00—Facilitation of operation; Human engineering
- H01H2217/046—Enhanced legend space by smaller actuators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/044—High voltage application
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention provides a spring manipulater used for a breaker and a breaker for realizing high speed of contact movement of the breaker and miniaturization of the manipulater by reducing the number of components. In order to solve the above problem, the spring manipulater is characterized in that: a driving force of a connecting spring (28) used for closing a fixed contact piece (62) and a moving contact piece (63) of a breaking part (405) is transmitted on a cam (3), a main post (5) which transmits the driving force of the cam (3) and has a blade part extending towards four directions and is arranged on a main shaft comprises: a first roller (6) contacted with the cam (3) during a connecting motion of the breaking part (405); a first pin (5b) connected with a connecting rod (68), a second pin (5a) connected with a breaking spring connecting rod (25) which transmits the driving force of a breaking spring (26), and a second roller (7) for transmitting the driving force of the breaking spring (26) to a breaking control mechanism (401), wherein transmission of the driving force is maintained within the approximately same plane.
Description
Technical field
The present invention relates to breaker with spring operator and breaker, relate in particular to the breaker that uses in the electric power of the electric substation that is adapted at electric power system, the contour voltage specification of switching station with spring operator and breaker.
Background technology
Along with the high capacity of power transmission system, use the rupturing capacity of breaker to increase to some extent in electric substation, switching station, and require to have height reliability.In order to improve the reliability of breaker, reduce component count and simplified construction is vital.
Usually, large capacity breaker uses the air blowing type gas path breaker, the electric arc ejection gas that this air blowing type gas path breaker produces for to the blocking time the lonely structure that disappears, and be well known that the simple structure of not only blocking section, the gas of the insulating properties of enclosing is SF for example
6Gas has good insulation, lonely performance disappears.
The air blowing type gas path breaker comprises: enclose SF
6Gas and have fixed electrode and the blocking section of movable electrode, have be used to the operator that makes described movable electrode with respect to fixed electrode contact and the drive source that separates.In blocking section, described movable electrode and fixed electrode opposite disposed, movable electrode is switched under the state that contacts with fixed electrode.
In addition, if because of when thundering etc. in electric power system the flow abnormalities electric current, breaker is transfused to the blocking instruction, is undertaken movable electrode is pulled open and the operation of breaking current from fixed electrode by the actuating force of described operator.
Drive source as operator, usually use high-pressure and hydraulic, forced air pressure, metal spring, wherein drive source uses the spring operator of metal spring not to be subjected to ambient temperature affect and can stably keep driving-energy, arbitrarily downgrades thereby be adapted to over the superelevation of 300kV.
Be applicable to for example record to some extent in patent documentation 1 of existing spring operator of gas path breaker.In patent documentation 1, the spring operator of record consists of as follows.
That is, possess: camshaft and main shaft; Be arranged on the cam of a side of described camshaft; With the actuating force of motor to described camshaft transmission and be arranged on the opposite side of described camshaft and be passed the master gear of the actuating force of connecting spring; Be passed the load of described cam and be arranged on a side of described main shaft, and the mobile jib that the actuating force of described connection spring is transmitted to the blocking spring; With the actuating force of described connection spring to the buffer unit transmission and will be arranged on the buffer bar of opposite side of described main shaft or the actuating force of described connection spring is transmitted to the contact of shutter, and be arranged on the contact bar of the opposite side of described main shaft, described camshaft is bearing on support by a bearing arrangement between described cam and described master gear, and described main shaft is bearing on support by a bearing arrangement between described mobile jib and described buffer bar or described contact bar.
[formerly technical literature]
[patent documentation]
No. 3823676 communique of [patent documentation 1] Japan Patent
In the spring operator of record, be provided with mobile jib, buffer bar, these three bars of contact bar with respect to main shaft in above-mentioned patent documentation 1.Especially, mobile jib constitutes the roughly Y-shaped shape that blade part extends to three directions from axis of rotation.Therefore, the position of centre of gravity of mobile jib is positioned at the position apart from the axis of rotation predetermined distance, mobile jib around the moment of inertia of axis of rotation than the moment of inertia large (theorem of parallel axes) around center of gravity, the velocity of rotation of the mobile jib during the blocking action may be difficult to increase.
In addition, to the contact bar transmission, therefore, in the situation that the torsional rigid of main shaft is little, there is the transmission loss increase of actuating force in the actuating force that acts on the blocking of mobile jib and connection and possibility that the translational speed of contact descends via the torsion of main shaft.
Furthermore, because three positions on the axis direction of main shaft dispose bar, the problem that therefore also exists the Width size of operator to dwindle.
Summary of the invention
The present invention completes in view of above-mentioned point, and its purpose is, provides following breaker with spring operator and breaker, thereby realizes the high speed that move the contact, and improve simultaneously reliability and reduce components number and realize miniaturization.
in order to reach above-mentioned purpose, plant the breaker spring operator, it is characterized in that possessing: interdict spring and connect spring, for blocking and the connection of carrying out electric power, this blocking spring and connection spring make fixed contact therefor and the movable contact switching of blocking section, cam, it is passed the actuating force of this connection spring via the connection spring link, mobile jib, the actuating force that it is passed the load of this cam and is passed this cam, connecting rod, the actuating force that it is passed described blocking spring and connects spring via this mobile jib, the blocking controlling organization, its actuating force to described blocking spring keeps, discharge, wherein, the blade part of described mobile jib extends to four direction, and have on the described mobile jib that this blade part extends to four direction: the first roller that contacts with described cam when described blocking section carries out ON Action, the first pin that connects described connecting rod, the second pin that the blocking spring link of the actuating force of transmitting described blocking spring is connected, transmit the second roller of the actuating force of described blocking spring to described blocking controlling organization, the transmission of described actuating force, remain on roughly and carry out in the same face.
By consisting of in the above-described manner, because the moment of inertia around axis of rotation of mobile jib reduces, so can make the contact high speed motion of breaker, and can in the situation that the actuating force that main shaft is reversed will interdict, connect to contact side transmission, therefore, the framework of main shaft and supporting spindle, the reliability of bearing are improved, and the quantity of the bar that links with main shaft reduces, thereby can make designs simplification and realize the miniaturization of operator.
In addition, the present invention has following feature on the basis of said structure, that is, the axis of rotation position of the position of centre of gravity of mobile jib and this mobile jib is roughly consistent.
According to this structure, can obtain and above-mentioned same effect, and can improve the rotary speed of mobile jib.
In addition, the present invention has following feature on the basis of said structure, that is, and and the buffer unit of when disposing in the release of interdicting, connecting on the action axis of blocking spring, movable member being braked.
According to this structure, not only can obtain and above-mentioned same effect, and need not to be provided with the bar that is connected for buffer unit on main shaft, thereby can reduce components number.
In addition, the present invention has following feature on the basis of said structure, that is, the mid portion framework of main shaft supports as rotating, and an end of described main shaft and described mobile jib link, and main shaft supporting is being possessed a bearing for the framework inside that can rotate.
According to this structure, in acquisition and above-mentioned same effect, can also improve the framework of main shaft and supporting spindle, the reliability of bearing.
In addition, the present invention has following feature on the basis of said structure,, is formed with square hole or spline slotted eye on described mobile jib that is, and is formed with square shaft or splined shaft on described main shaft, and described mobile jib constitutes with respect to described main shaft dismounting freely.
According to this structure, also can obtain and above-mentioned same effect, and can from outside dismounting mobile jib, in addition, to main shaft assembling mobile jib the time, have the effect that to adjust axial position and improve assembleability.
Furthermore, the present invention has following feature on the basis of said structure, namely, make the axle head of the end opposition side that links the described main shaft that described mobile jib is arranged outstanding from described framework, make manual-operating mechanism and should outstanding protuberance link and carry out blocking, the ON Action of described contact when the non-electric command operating of breaker.
Particularly, described manual-operating mechanism is characterised in that, described manual-operating mechanism possesses: be fixed on the hydraulic cylinder that connecting rod, an end on the end of described main shaft rotates the connecting rod that is connected with this connecting rod freely, the hydraulic piston that is connected with the other end of this connecting rod, this hydraulic piston can be taken in movably, hydraulic oil by self-hydraulic in future source imports to described hydraulic cylinder described hydraulic piston is moved, follow this to move, described connecting rod moves and makes described connecting rod and main shaft rotation, thereby carries out blocking, the ON Action of described contact.
According to this structure, can obtain and above-mentioned same effect, and can move when the power supply of electric substation, switching station is lost.
In addition, breaker of the present invention is characterised in that to possess: blocking section, and it is by opening and closing to the contact that is made of fixed contact therefor and movable contact blocking and the connection of carrying out electric power; Spring operator, it has blocking spring and the connection spring that carries out the switching of described contact by discharging deformation energy, and described spring operator is above-mentioned any breaker spring operator.
By formation like this, certainly can obtain with above-mentioned breaker with the same effect of spring operator, and because breaker is realized miniaturization with spring operator, therefore have the effect of the miniaturization that can realize breaker.
[invention effect]
According to the present invention, due to the moment of inertia around axis of rotation that can reduce mobile jib, therefore can make the contact high speed motion of breaker, and the actuating force that will interdict, connect in the mode that main shaft does not reverse is to contact side transmission, therefore, the framework of main shaft and supporting spindle, the reliability of bearing are improved, and, because the company's number with the main shaft link reduces, realize the miniaturization of operator so designs simplification can be made.
Description of drawings
Fig. 1 is the embodiment 1 of breaker use spring operator of the present invention, means the figure of the breaker use spring operator of gas path breaker on-state.
Fig. 2 means the cutaway view of the spring operator of embodiment 1.
Fig. 3 means the breaker of the gas path breaker blocking release state of embodiment 1 figure of spring operator.
Fig. 4 means that the breaker of the state in the gas path breaker ON Action of embodiment 1 is with the figure of spring operator.
Fig. 5 means the breaker of the gas path breaker ON Action done state of embodiment 1 figure of spring operator.
Fig. 6 means the breaker that is equipped with embodiment 1 front view of the gas path breaker of spring operator.
Fig. 7 is the figure for the definition of the blade part length of the mobile jib of the spring operator of explanation embodiment 1.
The figure of the manual-operating mechanism that Fig. 8 uses when meaning the non-electric command operating of gas path breaker.
[symbol description]
1 ... framework, 2 ... camshaft, 3 ... cam, 4 ... main shaft, 4a ... the end of main shaft, 5 ... mobile jib, 5a ... the second pin, 5b ... the first pin, 6 ... the first roller, 7 ... second roller, 8 ... the second blocking chain shot section, 9, 12, 15, 20 ... back-moving spring, 10, 13, 18, 21 ... roller, 11 ... blocking chain shot section, 14a ... the blocking trigger, 14b ... frizzen, 19 ... connection chain shot section, 22 ... frizzen, 22a ... connect trigger, 25 ... the blocking spring link, 25a, 36a ... flange, 25b, 77, 79 ... pin, 26 ... the blocking spring, 27 ... connect spring link, 28 ... connect spring, 35 ... spring base, 36 ... piston, 37 ... working cylinder, 38 ... buffer unit, 51 ... pinion, 52 ... gear wheel, 60 ... the drawer at movable side conductor, 61 ... the fixation side conductor, 62 ... fixed contact therefor, 63 ... movable contact, 64 ... insulating part, 65 ... the second bar, 66 ... rotating shaft, 67 ... the first bar, 68, 78 ... connecting rod, 70 ... manual-operating mechanism, 71 ... connecting rod, 71a, 71b ... bearing arrangement, 72 ... bearing, 73 ... the anticreep member, 74 ... hydraulic piston, 75 ... hydraulic cylinder, 76 ... coupling, 100 ... gas path breaker, 101, 102 ... sleeve, 103 ... grounding container, 104 ... control box, 105 ... pallet, 201 ... the blocking electromagnet, 202 ... connect and use electromagnet, 211, 212 ... push rod, 400 ... spring operator, 401 ... the blocking controlling organization, 402 ... connect controlling organization, 403 ... rupturing operation section, 404 ... making operation section, 405 ... blocking section
Embodiment
Below, use accompanying drawing that the embodiment of breaker of the present invention with spring operator and breaker described.
[embodiment 1]
At first, use Fig. 6 that the gas path breaker of one embodiment of breaker of the present invention is described.As shown in the drawing, the columnar grounding container 103 of gas path breaker 100 is arranged on pallet 105.Pressure with regulation in this columnar grounding container 103 is enclosed gas, for example SF that insulating properties is arranged
6Gas (sulphur hexafluoride sulphur gas) is extruded with sleeve 101,102 obliquely upward from the axial pars intermedia of columnar grounding container 103.Connect the electric wire in electric substation, switching station and the conductor of forming circuit is accommodated in sleeve 101,102.The control box 104 of the operating portion of taking in gas path breaker 100 is installed at the sidepiece of pallet 105 in addition.
In the gas path breaker 100 that consists of by this way, for example, never upstream sleeve 102 supplies of side of illustrated system of electric power during energising.Then, the contact in the sleeve 102 guiding grounding containers 103, and again supply with in system via the sleeve 101 in downstream.For example, if when having an accident in system because thundering etc., drive the operators in control box 104 and open contact in grounding container 103.Thus, with the electric power supply blocking of side downstream.
Need to prove, in the present embodiment, grounding container 103 along continuous straight runs extend, but can be for extending along vertical direction.In addition, in the present embodiment, although the gas path breaker that sleeve 101,102 directly is installed on the monomer of grounding container 103 is illustrated, also can be for being assembled in the breaker in gas insulation opening and closing arrangement.In addition, at this, although to use SF
6The gas path breaker of gas is that example is illustrated, and still self-evident is that it is the opening and closing device that vacuum or inclosure have other gases that the present invention also goes in grounding container 103.
Next, use Fig. 1 to Fig. 5, the interior spring operator of accommodating 400 of control box shown in Figure 6 104 is described together with the blocking section 405 in grounding container 103.
As shown in Figure 1, an end of the fixed contact therefor 62 of blocking section 405 is fixedly attached on the fixation side conductor 61 of tubular, and the other end contacts with movable contact 63.Movable contact 63 forms tubular with the contact side of fixed contact therefor 62.Keep the drawer at movable side conductor 60 of movable contact 63 to support and be fixed in grounding container 103 by omitting illustrated insulating cylinder.In addition, the end opposite of movable contact 63 and contact jaws fixed contact therefor 62 contacts is connected with bar-shaped insulating part 64.
At this, section 405 described with being connected of spring operator 400 to blocking.Has the rotation of being supported to rotating shaft 66 freely, the chimeric end separately that the second bar 65 and the first bar 67 are arranged on this rotating shaft 66 in omitting illustrated grounding container 103.The other end of the second bar 65 is connected with insulating part 64.The other end of the first bar 67 is connected with an end of connecting rod 68.The other end of connecting rod 68 is connected with the mobile jib 5 of spring operator 400.
On the main shaft 4 that consists of rupturing operation section 403, mobile jib 5 and anticreep member 73 shown in Figure 2 are installed.Mobile jib 5 has the blade part that extends from axis of rotation to four direction, and roller, pin are installed in the end.Namely, on the mobile jib 5 with the blade part that extends to four direction, be equipped with when the ON Action of blocking section 405 with the first roller 6 of cam 3 contacts, is connected connecting rod 68 the first pin 5b, connect the second pin 5a that an end of the blocking spring link 25 of the actuating force of transmitting blocking spring 26 connects, interdict the second roller 7 of the actuating force of springs 26 to 401 transmission of blocking controlling organization.In addition, the first roller 6 when ON Action and cam 3 join, keep connecting the blocking spring force of hold mode lower compression in order to utilize blocking controlling organization 401, engage and make second roller 7 and second interdict chain shot section 8.
By as above consisting of, can be only be the actuating force interdicting in the same face, connect to the transmission of contact side, blocking spring force to the transmission of interdicting controlling organization at ZY face shown in Figure 2.
One end of the piston 36 in the buffer unit 38 of during release of the other end of the blocking spring link 25 that one end is connected with mobile jib 5 by pin 25b and blocking, connection, movable member being braked is connected.Interdicting on spring link 25 and be provided with flange 25a near pin 25b, and effect there is the spring force of blocking spring 26.
For above-mentioned buffer unit 38, contain in working cylinder 37 cylindraceous and omit illustrated incompressible fluid for example oil and piston 36, be provided with flange 36a on piston 36, the inner surface of its outer surface and working cylinder 37 roughly joins.Piston 36 is by moving along left and right directions working cylinder 37 is interior linkedly with blocking spring link 25, thus compressed oil and produce braking force.Therefore in addition, buffer unit 38 is arranged on the action axis direction of blocking spring link 25, need not to be provided for the bar that is connected with buffer unit 38 on main shaft 4, thereby can reduce the parts number of packages.In addition, due to braking force do not make main shaft 4 reverse ground via mobile jib 5 to contact side transmission, therefore can improve braking characteristic.
Shown in Figure 1 making operation section 404 consists of as follows.That is, gear wheel 52 and cam 3 are installed on camshaft 2, camshaft 2 is supported to rotation freely by pair of bearing units 71a shown in Figure 2,71b, and bearing arrangement 71a, 71b are disposed at the protuberance of framework 1.Gear wheel 52 and pinion 51 engagements are from omitting illustrated motor to pinion 51 transmission of drive force.The end that to connect spring link 27 in the outside of cam 3 is mounted to rotation freely.The other end of connecting spring link 27 is equipped with spring base 35, thereby the movable end of connecting spring 28 is supported.
Connecting controlling organization 402 consists of as follows.That is, be attached with roller 18 in the maximum radius section of cam 3, can dispose the chain shot section 19 that connects with engaging on this roller 18.Connect chain shot section 19 and be V-shape roughly, its bend rotation is arranged on axle freely.An end at the V word of connecting chain shot section 19 forms the tapering, and engages with the roller 18 of cam 3.The other end at the V-shape of connecting chain shot section 19 is equipped with roller 21, with can with the mode configure trigger bar 22 of these roller 21 butts.At the pars intermedia of the axis of rotation of connecting chain shot section 19 and roller 21, an end is installed and is fixed in back-moving spring 20 on framework 1.Frizzen 22 is installed on pars intermedia is fixed on axle on framework 1 in freely the mode of rotating, and forms and connects trigger 22a connecting the chain shot section end opposite with sides roller 21 butts 19.Dispose in mode that can butt the push rod 212 of connecting with electromagnet 202 on this connection trigger 22a.
Blocking controlling organization 401 consists of as follows.That is, on being fixed in axle on framework 1, the pars intermedia that disposes the second 8, the second blocking chain shot sections 8 of blocking chain shot section on the second roller 7 that is arranged on mobile jib 5 in the mode that can engage is mounted to rotation freely.The second roller 7 of mobile jib 5 engages with the tapering of an end that is formed at the second blocking chain shot section 8.The other end in the second blocking chain shot section 8 is equipped with roller 10, and blocking chain shot section 11 is configured to and can engages with this roller 10.Be equipped with second in the centre in the axle center of the second blocking chain shot section 8 and tapering and interdict the back-moving spring 9 of chain shot section 8.One end of back-moving spring 9 is fixed on framework 1.
The pars intermedia of blocking chain shot section 11 is mounted to rotation freely on the axle that is fixed on framework 1, being formed at a distolateral tapering can engage with the roller 10 of the second blocking chain shot section 8.The other end in blocking chain shot section 11 is equipped with roller 13.Trigger 14a is configured to and can engages with this roller 13.One end is installed in the centre in the axle center of blocking chain shot section 11 and tapering is fixed on back-moving spring 12 on framework 1.
The second blocking chain shot section 8 and blocking chain shot section 11, the back-moving spring 9,12,15 that is arranged on blocking trigger 14a are in compressive state under connection hold mode shown in Figure 1, the second blocking chain shot section 8 and blocking chain shot section 11, trigger 14a are acted on all the time the spring force of these back-moving springs.
Below, the action of the gas path breaker 100 of the present embodiment of formation like this is described.
At first, the action from on-state shown in Figure 1 to the blocking state-transition is described.Under the on-state of blocking section 405, when input blocking instruction, gas path breaker 100 begins the blocking action.By excitation, blocking is given prominence to the push rod 211 of electromagnet 201 and is pressed frizzen 14b with electromagnet 201 in the blocking of blocking controlling organization 401.Frizzen 14b is pressed by push rod 211 and turns clockwise.Consequently, the disengaging that engages of trigger 14a and blocking chain shot section 11.
The blocking chain shot section 11 of throwing off with engaging of trigger 14a becomes the state freely that rotates.Because the roller 10 of the second blocking chain shot section 8 is pressed blocking chain shot section 11, so blocking chain shot section 11 rotates around axle 8a.Next, the second blocking chain shot section 8 turns clockwise under the effect from the pressing force of the second roller 7 of mobile jib 5.Afterwards, mobile jib 5 and the second blocking chain shot section 8 engages disengagement.
The engaging of mobile jib 5 and the second blocking chain shot section 8 thrown off and made mobile jib 5 become rotation state freely.Thus, blocking spring 26 discharges and mobile jib 5 is clockwise rotated.The connecting rod 68 that is connected with mobile jib 5 is moved upward, and the first bar 67 is rotated counterclockwise.Follow in this, rotating shaft 66 and the second bar 65 are around rotating counterclockwise.Along with the rotation of the second bar 65, the insulating part 64 that is connected with the second bar 65 and movable contact 63 move right.Thus, movable contact 63 leaves and interdicts the contact from fixed contact therefor 62.In the blocking action second half section, produce braking force and movable part is slowed down by buffer unit 38, thus the blocking release.At this moment, the outer peripheral face of the first roller 6 of the end of mobile jib 5 and cam 3 butt and stop (with reference to Fig. 3) roughly.
Fig. 7 represents the mark definition from the axis of rotation of mobile jib 5 (main shaft 4) to the length of blade part.As shown in the drawing, in the blade part of four direction, the length L of the 68 first pin 5b from the axis of rotation to the connecting rod
45aThe longest, the length L from this axle center to the first roller 6
46The shortest.Make from the axis of rotation to the second roller 7 length L
47And the length L from axis of rotation to blocking spring link 25
45bLength and L
45aRoughly consistent.
Thus, in mobile jib 5, the blade part front end from the axis of rotation to the four direction makes Length Ratio (L
45a/ L
46) be maximum 1.4.In this case, although the position of centre of gravity of mobile jib 5 is directly aliging with axis of rotation, in the external diameter that is limited in main shaft 4, so the velocity of rotation of the mobile jib 5 in the time of can accelerating to interdict action.In order to make velocity of rotation maximum, as long as the length that makes the blade part on the four direction of mobile jib 5 unanimously.
Next, the action that is on-state shown in Figure 5 to blocking section 405 from blocking state-transition shown in Figure 3 describes.
At first, when going code to the breaker input under blocking state shown in Figure 3, connect with electromagnet 202 by excitation.So, connection trigger 22a is given prominence to and pressed to connection with the push rod 212 of electromagnet 202 to left.The frizzen 22 that is pressed clockwise rotates, and connects chain shot section 19 and is removed with engaging of frizzen 22.Thus, under the effect from the pressing force that is arranged on the roller 18 on cam 3, connect chain shot section 19 and turn clockwise, connect chain shot section 19 and removed with engaging of cam 3.So, the motion limits of cam 3 is eliminated, thereby the spring force of connecting spring 28 is released, and connects spring link 27 and is moved to the left.Along with this movement of connecting spring link 27, camshaft 2 and gear wheel 52 clockwise rotate.
Along with the rotation of camshaft 2, cam 3 also clockwise rotates.Then, as shown in Figure 4, the first roller 6 butts of the outer peripheral face of cam 3 and mobile jib 5 are rotated counterclockwise mobile jib 5.When the state from Fig. 4 further carry out ON Action and cam 3 to clockwise direction roughly during reverse rotation, in the maximum curvature radius part of cam 3, the first roller 6 butts of the outer peripheral face of cam 3 and mobile jib 5.At this moment, the blocking spring link 25 that is connected with mobile jib 5 can be compressed to roughly original position with blocking spring 26.
In addition, along with the rotation of mobile jib 5, connecting rod 68 is moved downwards in ON Action.Thus, the first bar 67, rotating shaft 66, the second bar 65 are around carry out the ON Action (with reference to Fig. 5) of contact with blocking action rightabout rotation.
According to this present embodiment, because be does not make main shaft 4 contact be moved with reversing yet, thereby can realize high speed in ON Action.In addition, in the past, for main shaft 4 is carried out rotating support, dispose pair of bearing units on framework 1, but can be reduced to only unique bearing 72 (with reference to Fig. 2).
Need to prove, in the present embodiment, the end opposite that one end of mobile jib 5 is installed on main shaft 4 is connected with anticreep member 73 (with reference to Fig. 2), but when non-electric instruction action, for example subtend electric substation installs when the gas path breaker stage carries out confirming operation under low speed, and manual-operating mechanism 70 is connected with spring operator 400.
Use Fig. 8 that the structure of above-mentioned manual-operating mechanism 70 is described.Need to prove, Fig. 8 represents the blocking release state of gas path breaker.
Under the blocking release state of gas path breaker shown in Figure 8, to the end 4a embedding connecting rod 71 of main shaft 4.The end 4a of main shaft 4 and connecting rod 71 fastening except square shaft and square hole chimeric can also adopt spline fastening etc.
An end rotation at connecting rod 71 is supported with pin 77 freely, and is connected with an end of connecting rod 78.The other end of connecting rod 78 is connected with an end of hydraulic piston 74 via pin 79.Hydraulic piston 74 is accommodated in the inside of hydraulic cylinder 75.In coupling 76, by from omitting illustrated hydraulic power source connecting pipings, hydraulic oil being entered hydraulic cylinder 75, thereby hydraulic piston 74 is moved to the dextrad of Fig. 8.Follow therewith, connecting rod 78 also moves to dextrad, and connecting rod 71 and main shaft 4a are rotated counterclockwise.Thus, in Fig. 3, because mobile jib 5 also is rotated counterclockwise, therefore, the blocking of contact, ON Action are carried out.
Like this, under the common running status of gas path breaker, by cutting off manual-operating mechanism 70 from main shaft 4, thereby can realize the high speed that move the contact.
In addition, in the present embodiment, mobile jib 5 and main shaft 4 chimeric be based on the combination of square hole, square shaft or based on the combination of spline slotted eye, splined shaft, so can easily install and remove mobile jib 5 from the outside.In addition, with mobile jib 5 during to main shaft 4 assembling, can adjust the position of Width and assembleability is provided.
Claims (6)
1. breaker spring operator is characterized in that possessing:
Interdict spring and connect spring, for blocking and the connection of carrying out electric power, this blocking spring and connection spring make fixed contact therefor and the movable contact switching of blocking section;
Cam, it is passed the actuating force of this connection spring via the connection spring link;
Mobile jib, it is arranged on main shaft, is used for transmitting the load of this cam and is passed the actuating force of this cam;
Connecting rod, the actuating force that it is passed described blocking spring and connects spring via this mobile jib;
The blocking controlling organization, its actuating force to described blocking spring keeps, discharges,
Wherein, the blade part of described mobile jib extends to four direction, and have on the described mobile jib that this blade part extends to four direction: when described blocking section carries out ON Action with the first roller of described cam contact, is connected the first pin of described connecting rod, to second selling of connecting of the blocking spring link of the actuating force of transmitting described blocking spring, to the second roller of the actuating force of the described blocking spring of described blocking controlling organization transmission, the transmission of described actuating force, remain on roughly and carry out in the same face.
2. breaker spring operator according to claim 1, is characterized in that,
The axis of rotation position of the position of centre of gravity of described mobile jib and this mobile jib is roughly consistent.
3. breaker spring operator according to claim 1 and 2, is characterized in that,
The buffer unit of when the release of disposing on the action axis of described blocking spring in blocking, connection, movable member being braked.
4. breaker spring operator according to claim 1 and 2, is characterized in that,
The mid portion of described main shaft is supported as rotating by framework, and an end of described main shaft and the link of described mobile jib,
Make the axle head of the end opposition side that links the described main shaft that described mobile jib is arranged outstanding from described framework, make manual-operating mechanism and should outstanding protuberance link and carry out blocking, the ON Action of described contact when the non-electric command operating of breaker.
5. breaker spring operator according to claim 1 and 2, is characterized in that,
Be formed with square hole or spline slotted eye on described mobile jib, and, being formed with square shaft or splined shaft on described main shaft, described mobile jib constitutes with respect to described main shaft dismounting freely.
6. breaker spring operator according to claim 4, is characterized in that,
Described manual-operating mechanism possesses: be fixed on the hydraulic cylinder that connecting rod, an end on the end of described main shaft rotates the connecting rod that is connected with this connecting rod freely, the hydraulic piston that is connected with the other end of this connecting rod, this hydraulic piston can be taken in movably,
Hydraulic oil by self-hydraulic in future source imports to described hydraulic cylinder described hydraulic piston is moved, and follows this to move, and described connecting rod moves and makes described connecting rod and main shaft rotation, thereby carries out blocking, the ON Action of described contact.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011279326A JP5604414B2 (en) | 2011-12-21 | 2011-12-21 | Spring actuator for circuit breaker and circuit breaker |
| JP2011-279326 | 2011-12-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103177900A true CN103177900A (en) | 2013-06-26 |
| CN103177900B CN103177900B (en) | 2016-01-20 |
Family
ID=48637683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210548144.1A Active CN103177900B (en) | 2011-12-21 | 2012-12-17 | Breaker spring operator and breaker |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5604414B2 (en) |
| KR (1) | KR101395151B1 (en) |
| CN (1) | CN103177900B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI673744B (en) * | 2017-10-20 | 2019-10-01 | 日商三菱電機股份有限公司 | Breaker |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299861B (en) * | 2014-06-27 | 2016-08-31 | 国家电网公司 | Spring-operation device and anti-stored energy mechanism excessively thereof |
| KR101759601B1 (en) | 2015-12-28 | 2017-07-31 | 엘에스산전 주식회사 | Delay time generation apparatus for air circuit breaker |
| KR101775063B1 (en) | 2016-01-14 | 2017-09-06 | 현대일렉트릭앤에너지시스템(주) | Spring operation device of circuit breaker |
| KR102094870B1 (en) * | 2019-07-26 | 2020-03-30 | 주식회사 남양이앤에스 | Gas circuit breaker of gas insulated switchgear |
| KR20220072228A (en) | 2020-11-25 | 2022-06-02 | (주)와이엘산업 | Spring operating mechanism for circuit breaker |
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|---|---|---|---|---|
| JPH02140729U (en) * | 1989-04-28 | 1990-11-26 | ||
| US5448030A (en) * | 1992-08-07 | 1995-09-05 | Hitachi, Ltd. | Gas insulated circuit breaker |
| JP2002231110A (en) * | 2001-02-06 | 2002-08-16 | Hitachi Ltd | Circuit breaker for electric power |
| CN1941244A (en) * | 2005-09-26 | 2007-04-04 | 株式会社日立制作所 | Gas circuit-breaker |
| CN101454858A (en) * | 2006-06-01 | 2009-06-10 | 日本Ae帕瓦株式会社 | Breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5912515A (en) * | 1982-07-12 | 1984-01-23 | 三菱電機株式会社 | Spring operating device for switch |
| JPH0466026U (en) * | 1990-10-15 | 1992-06-10 | ||
| JP2000040445A (en) * | 1998-07-24 | 2000-02-08 | Toshiba Corp | Motor-driven spring operation mechanism for opening/ closing apparatus |
| JP3823676B2 (en) | 2000-03-31 | 2006-09-20 | 株式会社日立製作所 | Actuator for switch |
-
2011
- 2011-12-21 JP JP2011279326A patent/JP5604414B2/en active Active
-
2012
- 2012-12-17 CN CN201210548144.1A patent/CN103177900B/en active Active
- 2012-12-18 KR KR1020120147988A patent/KR101395151B1/en active IP Right Grant
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02140729U (en) * | 1989-04-28 | 1990-11-26 | ||
| US5448030A (en) * | 1992-08-07 | 1995-09-05 | Hitachi, Ltd. | Gas insulated circuit breaker |
| JP2002231110A (en) * | 2001-02-06 | 2002-08-16 | Hitachi Ltd | Circuit breaker for electric power |
| CN1941244A (en) * | 2005-09-26 | 2007-04-04 | 株式会社日立制作所 | Gas circuit-breaker |
| CN101454858A (en) * | 2006-06-01 | 2009-06-10 | 日本Ae帕瓦株式会社 | Breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI673744B (en) * | 2017-10-20 | 2019-10-01 | 日商三菱電機股份有限公司 | Breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013131354A (en) | 2013-07-04 |
| JP5604414B2 (en) | 2014-10-08 |
| KR101395151B1 (en) | 2014-05-15 |
| KR20130072147A (en) | 2013-07-01 |
| CN103177900B (en) | 2016-01-20 |
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