CN104143487B - Powder gases drive-type circuit breaker ultrahigh speed operating mechanism - Google Patents
Powder gases drive-type circuit breaker ultrahigh speed operating mechanism Download PDFInfo
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- CN104143487B CN104143487B CN201310299953.8A CN201310299953A CN104143487B CN 104143487 B CN104143487 B CN 104143487B CN 201310299953 A CN201310299953 A CN 201310299953A CN 104143487 B CN104143487 B CN 104143487B
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- 239000007789 gas Substances 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 239000000843 powder Substances 0.000 title claims abstract description 29
- 230000033001 locomotion Effects 0.000 claims abstract description 21
- 238000002485 combustion reaction Methods 0.000 claims description 27
- 238000004146 energy storage Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 239000003721 gunpowder Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000009527 percussion Methods 0.000 description 15
- 238000010304 firing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The present invention relates to powder gases drive-type circuit breaker ultrahigh speed operating mechanism.Powder gases drive-type circuit breaker ultrahigh speed operating mechanism, comprise the driving member with sub-gate position and closing position, the blank cartridge emitter driving drive member, blank cartridge emitter comprises gunlock, kicker and striker, gunlock is given up the throne and advanced potential after having in its movement travel, blank cartridge emitter is provided with two, be separately positioned on the both sides of the driving member divide-shut brake direction of motion and be respectively equipped with corresponding gun barrel, the jet of two gun barrels, all towards driving member, the gunlock of two blank cartridge emitters is fixed with respectively the piston guide rod overhang towards driving member; Each piston guide rod is all that pilot seal is plugged in the air guide chamber of respective side, is communicated with between the gun barrel of any side and the air guide chamber of opposite side by the corresponding air guide channel arranged.Above-mentioned powder gases drive-type circuit breaker ultrahigh speed operating mechanism can realize circuit breaker quick acting switching-off and rapid closing.
Description
Technical field
The present invention relates to powder gases drive-type circuit breaker ultrahigh speed operating mechanism.
Background technology
Some primary cut-outs can produce a big current when cut-offfing, therefore clear and definite requirement is had to switch off time, such as, certain electric pressure is in 320kV direct current network, when being short-circuited, the rate of climb of DC side electric current is 3.5kA/ms, assuming that when normally running on circuit current value be that short circuit current after 2kA, 2ms on circuit can reach 9kA, namely high voltage DC breaker that can cut-off 9kA electric current must can quick acting within the time of 2ms, cuts off electric current.And the opening velocity of existing spring operating mechanism, hydraulic actuating mechanism all cannot realize cut-offfing circuit breaker within the so short time; And magnetic force mechanism, speed can meet double-fracture or multi-break circuit breaker, but its manufacture difficulty is very high; Repulsive force mechanism, speed reaches requirement reluctantly, can reach 60m/s in theory, but there is the short problem of stroke.
Application number is 94246009.X, authorized announcement date is that the Chinese patent of 1995-09-06 discloses a kind of emission type operating mechanism, comprise for the driving member to corresponding close/open machine transmission of drive force, described driving member has the sub-gate position corresponding with close/open machine and closing position, the bottom of described driving member is movement and slipper seal is assemblied in corresponding piston cylinder, can in piston cylinder guiding movement, be provided with the air inlet be communicated with plunger shaft bottom piston cylinder.Emission type operating mechanism also comprises the blank cartridge emitter for spraying into gases at high pressure in plunger shaft be communicated with described air inlet, this blank cartridge emitter comprises gunlock, kicker, for installing the bore of blank cartridge, the striker of percussion blank cartridge, the firing lock of fire firing pins and ammunition feed mechanism etc., described gunlock there is the active force that overcomes kicker under external force in its movement travel and give up the throne after driving striker to move to energy storage position and for the effect at kicker under promote the advanced potential that blank cartridge loads, its principle is identical with the principle of existing gunlock backseat type automatic small arms, after blank cartridge loads, firing lock release striker, striker percussion blank cartridge, blank cartridge produces gases at high pressure injection into pistion chamber and promotes drive member thus drive circuit breaker to close a floodgate at a high speed, the gunlock of gases at high pressure promotion is simultaneously return downwards, gunlock compression kicker in this process, and rely on extractor to be dished out by the shell case fanned the air, striker moves to be treated that firing position is under firing lock block and treats cock, after gas is discharged from bore, gunlock enters again under the effect of kicker, ammunition feed mechanism is coordinated to be loaded by next blank cartridge.But above-mentioned emission type operating mechanism is merely able to realize rapid closing, and cannot realize quick acting switching-off.Further, owing to have employed gunlock backseat type structure, shell case can expand subsides thorax under the effect of powder gas, if shell case is long or gun pressure is too high, shell case can be caused to take out shell not smooth, even cause shell case to rupture, which limits the power of ammunition used, be unfavorable for the lifting of operating mechanism responsiveness.
Summary of the invention
The object of this invention is to provide a kind of powder gases drive-type circuit breaker ultrahigh speed operating mechanism that can realize circuit breaker quick acting switching-off and rapid closing.
The technical solution used in the present invention is: powder gases drive-type circuit breaker ultrahigh speed operating mechanism, comprise for the driving member to corresponding close/open machine transmission of drive force, drive the blank cartridge emitter of drive member, described driving member has sub-gate position and closing position, described blank cartridge emitter comprises gunlock, kicker and striker, described gunlock have in its movement travel drive striker to move to energy storage position after to give up the throne and for promoting the advanced potential that blank cartridge loads under the effect of kicker, described blank cartridge emitter is provided with two, two blank cartridge emitters are separately positioned on the both sides of the driving member divide-shut brake direction of motion and are respectively equipped with corresponding gun barrel, the jet of gun barrel described in two is all towards driving member, the gunlock of two blank cartridge emitters is fixed with respectively the piston guide rod overhang towards driving member, each piston guide rod is all that pilot seal is plugged in the air guide chamber of respective side, is communicated with between the gun barrel of any side and the air guide chamber of opposite side by the corresponding air guide channel arranged.
Described driving member is respectively equipped with the blind hole supplying the corresponding end pilot seal of two gun barrels to plug on the end face of both sides, divide-shut brake direction, the hole wall of each described blind hole is equipped with the bleeder port for being communicated with blind hole inside and ambient atmosphere.
Described air guide chamber is made up of air guiding blind hole corresponding with both sides piston guide rod respectively on the end face of both sides, driving member divide-shut brake direction.
Each described blind hole all has at the combustion chamber diapire of drive member to the opening's edge top means of press seals of confession respective side gun barrel mouth of pipe when closing position or sub-gate position.
Described gun barrel is arranged with the obturator ring for coordinating with the inwall pilot seal of combustion chamber.
The axis of described gun barrel is on the same line.
Described blind hole has internal diameter and is greater than gun barrel diameter and and forms the residue collection section in the space for collecting gunpowder residue between the corresponding outer peripheral face of gun barrel.
Described bleeder port is through being arranged on the chamber sidewall of residue collection section.
The present invention adopts technique scheme, compared with prior art, owing to being equipped with a blank cartridge emitter in the both sides of the driving member divide-shut brake direction of motion, therefore driving member can rely on corresponding blank cartridge emitter to move to sub-gate position by closing position respectively, or move to closing position from sub-gate position, thus rely on powder gases driving to realize quick acting switching-off and rapid closing, and, the gunlock due to two blank cartridge emitters is fixed with respectively the piston guide rod overhang towards driving member; Each piston guide rod is all that pilot seal is plugged in the air guide chamber of respective side, be communicated with by the corresponding air guide channel arranged between the gun barrel of any side and the air guide chamber of opposite side, therefore, the powder gases produced after the blank cartridge percussion of any side can enter the air guide chamber of connector opposite side by corresponding air guide channel, thus give up the throne after driving the piston guide rod in corresponding air guide chamber to drive gunlock to be moved to by advanced potential, avoid and adopt gunlock backseat type structure to the restriction of ammunition power, can realize enough divide-shut brake speed, reliability is high.
Accompanying drawing explanation
Fig. 1: the schematic diagram of the blank cartridge emitter ejection state on right side in an embodiment of powder gases drive-type circuit breaker ultrahigh speed operating mechanism of the present invention;
In Fig. 2: Fig. 1, the schematic diagram of cock treated by the blank cartridge emitter on right side.
The name that in figure, each Reference numeral is corresponding is called: 1 casing, 2 kickers, 3 driving members, 4 gunlocks, 41 piston guide rods, 5 strikers, 6 firing pin springs, 7 percussion locks, 8 obturator rings, 9 gun barrels, 10 blank cartridges, 11 magazines, 12 combustion chambers, 121 combustion chamber diapires, 13 bleeder ports, 14 air guide chambeies, 15 air guide channels.
Embodiment
An embodiment of powder gases drive-type circuit breaker ultrahigh speed operating mechanism of the present invention is as shown in Fig. 1 ~ Fig. 2, for the single break DC circuit breaker of more than 200KV grade, comprise the driving member 3 of the left and right directions guiding movement setting of moving along divide-shut brake, be arranged on the blank cartridge emitter of driving member 3 left and right sides.
Each blank cartridge emitter structure is identical, all can with reference to the structure of existing automatic small arms, can realize the loading of blank cartridge 10, pull the trigger and ejection, comprise casing 1, for bullet, be arranged on casing 1 front end and form the gun barrel 9 of jet, the jet of each gun barrel 9 is all towards driving member 3; Adopt magazine 11 for bullet, certainly, also can adopt ammunition belt or bullet drum etc. in other embodiments; In the present embodiment, the axis of two gun barrels 9 is on the same line, be provided with the gunlock 4 of guiding movement assembling in left-right direction in casing 1, push up the kicker 2 be pressed on gunlock 4, gunlock 4 have in its movement travel drive striker 5 to move to energy storage position under external force after gives up the throne, also there is the advanced potential promoting blank cartridge 10 and load under the effect of kicker 2.Gunlock 4 is provided with left and right through striker 5 through hole, and the striker 5 for correspondence passes through.Also be provided with firing pin spring 6 in casing 1 and to striker 5 block spacing and energy storage or release striker 5 to pull the trigger the percussion lock 7 of blank cartridge 10, this percussion lock 7 can adopt machinery percussion or electromagnetism percussion according to actual conditions, what adopt in the present embodiment is electromagnetism percussion, is convenient to realize automatically controlled.The gunlock 4 of both sides blank cartridge emitter is installed with respectively the piston guide rod 41 overhang towards driving member 3.
The left and right end face that driving member 3 is corresponding with two blank cartridge emitters is respectively equipped with the blind hole supplying the corresponding end pilot seal of two gun barrels 9 to plug, form combustion chamber 12, the axis of two blind holes is also on the same line, and with the dead in line of each gun barrel 9, each gun barrel 9 can be plugged in corresponding combustion chamber 12 by guiding movement in left-right direction, realizes the guiding movement of driving member 3.Each gun barrel 9 front end is all arranged with the obturator ring 8 for coordinating with the inwall pilot seal of combustion chamber 12, this obturator ring 8 one aspect can prevent powder gases from releasing from the junction between gun barrel 9 and driving member 3, realizes sealing and holds one's breath; Gun barrel 9 and the axiality of the combustion chamber 12 in driving member 3 can be ensured on the other hand, reduce bias as far as possible, realize better leading.The end face of driving member 3 left and right sides is also respectively equipped with the air guiding blind hole supplying piston guide rod 41 pilot seal of respective side to plug, form air guide chamber 14, be equipped with air guide channel 15 between the combustion chamber 12 in left side and the air guide chamber 14 on right side, between the combustion chamber 12 on right side and the air guide chamber 14 in left side, respectively the combustion chamber 12 in left side be communicated with the air guide chamber 14 in left side with the air guide chamber 14 on right side, the combustion chamber 12 on right side.Left side powder gases enter right side air guide chamber 14 after, can promote right side piston guide rod 41 move right, and then drive right side gunlock 4 move right, give up the throne after advanced potential moves to.
Each described combustion chamber 12 all has the combustion chamber diapire 121 when the gun barrel 9 of respective side moves to closing position or the sub-gate position of setting for the opening's edge top means of press seals of the gun barrel mouth of pipe, ensures driving member 3 at blank cartridge 10 by the rapid action after pulling the trigger.Combustion chamber 12 has the residue collection section that internal diameter is greater than gun barrel 9 diameter, forms the space for collecting gunpowder residue between this section of inwall and the corresponding outer peripheral face of gun barrel 9, ensures that gun barrel 9 can not occur clamping stagnation by the impact of gunpowder residue in driving member 3.The chamber wall in air guide chamber 14 is communicated with and is provided with bleeder port 13, for communicating with ambient atmosphere, its aperture is set point, can either ensure that powder gases is unlikely the action demand of releasing fast and meeting driving member to form high pressure in combustion chamber, can ensure that again driving member is discharged for powder gases after completing a movement travel, make combustion chamber 12 consistent with outside atmosphere with the pressure in air guide chamber 14, with heterodromous needs satisfied next time.In the present embodiment, bleeder port 13 movement travel that is corresponding and gunlock 4 is arranged on the end of the left and right sides, air guide chamber 14, open when giving up the throne after gunlock 4 moves to, and closes, can ensure the action message of gunlock 4 when moving to advanced potential.
Definition driving member 3 moves right as separating brake, to left movement for closing a floodgate, during use, first in the blank cartridge emitter of side, load magazine 11, such as right side, gives up the throne after being drawn to by this side gunlock 4 by advanced potential, the elastic force making striker 5 overcome firing pin spring 6 moves to energy storage position and spacing and be in and treat cock by percussion lock 7 block, unclamp gunlock 4, the blank cartridge 10 entered in casing 1 to be loaded to advanced potential at kicker 2 move under influence by gunlock 4, as shown in Figure 2.During combined floodgate, percussion lock 7 to the right sends the signal of telecommunication, striker 5 on the right side of percussion lock 7 releases, striker 5 clashes into blank cartridge 10 and to ignite the fire in a stove before fuel is added produce a large amount of powder gases, drive driving member 3 left with satisfied setting require high-speed motion to closing position, simultaneously, part powder gases enters into the air guide chamber 14 on the left of driving member from air guide channel 15, drive the piston guide rod 41 in left side to left movement, the gunlock 4 in left side is given up the throne after advanced potential moves to, simultaneously corresponding extractor action is pulled out by the shell case that fans the air after the percussion of left side blank cartridge emitter and casing 1(extractor of dishing out is known mechanisms of the prior art, that those skilled in the art can realize, not shown), and striker 5 is pushed up go back to energy storage position.After driving member 3 moves to closing position, left side gunlock 4 move to after give up the throne, then move towards advanced potential under kicker 2 acts on, and the blank cartridge 10 pushing casing 1 for bullet is pushed gun barrel 9 load, complete feed motion, wait for left side blank cartridge emitter percussion, powder gases is discharged gradually from bleeder port 13.Equally, high speed separating brake can be realized after the percussion of left side blank cartridge emitter, and drive gunlock 4 action on right side, right side blank cartridge emitter is loaded.
In the above-described embodiments, what the jet of blank cartridge emitter adopted is gun barrel 9, driving member 3 is that pilot seal is set on gun barrel 9, and the chamber wall of the corresponding combustion chamber on driving member 3 is provided with bleed passage 13, in other embodiments, blank cartridge emitter also can adopt other forms, such as jet is arranged to the form of piston cylinder in similar background technology, driving member 3 is made to be plugged in piston cylinder as piston guide sealing, the driving to driving member 3 can be realized equally, now, combustion chamber is surrounded by the corresponding end face of the sidewall of piston cylinder and driving member, and bleed passage also can be arranged on driving member 3 or on the cylinder body of piston cylinder, for another example, also can not combustion chamber be set between jet and driving member, but the corresponding end face directly aiming at driving member is arranged, now, two can be arranged in addition and distinguish corresponding air guide cylinder with the piston guide rod 41 of both sides, and using corresponding guide pipeline to be communicated with the gun barrel of opposite side by the air guide cylinder of wherein side, the powder gases that the blank cartridge of side can be relied on equally to produce drives the gunlock action of opposite side.In addition, combustion chamber 12 in above-described embodiment on driving member 3 has the combustion chamber diapire 121 of the opening's edge top means of press seals for gun barrel 9 mouth of pipe, and combustion chamber 12 is provided with residue collection section, in other embodiments, combustion chamber diapire 121 also can be separated the gap of one section of setting with gun barrel 9 mouth of pipe, and residue collection section is nonessential structure, also can save or replace to other forms in other embodiments, such as, corresponding residue holding tank is set in the bottom of combustion chamber 12 sidewall.
Claims (8)
1. powder gases drive-type circuit breaker ultrahigh speed operating mechanism, comprise for the driving member to corresponding close/open machine transmission of drive force, drive the blank cartridge emitter of drive member, described driving member has sub-gate position and closing position, described blank cartridge emitter comprises gunlock, kicker and striker, described gunlock have in its movement travel drive striker to move to energy storage position after to give up the throne and for promoting the advanced potential that blank cartridge loads under the effect of kicker, it is characterized in that: described blank cartridge emitter is provided with two, two blank cartridge emitters are separately positioned on the both sides of the driving member divide-shut brake direction of motion and are respectively equipped with corresponding gun barrel, the jet of gun barrel described in two is all towards driving member, the gunlock of two blank cartridge emitters is fixed with respectively the piston guide rod overhang towards driving member, each piston guide rod is all that pilot seal is plugged in the air guide chamber of respective side, is communicated with between the gun barrel of any side and the air guide chamber of opposite side by the corresponding air guide channel arranged.
2. powder gases drive-type circuit breaker ultrahigh speed operating mechanism according to claim 1, it is characterized in that: described driving member is respectively equipped with the blind hole supplying the corresponding end pilot seal of two gun barrels to plug on the end face of both sides, divide-shut brake direction, the hole wall of each described blind hole being equipped with the bleeder port for being communicated with blind hole inside and ambient atmosphere.
3. powder gases drive-type circuit breaker ultrahigh speed operating mechanism according to claim 2, is characterized in that: described air guide chamber is made up of air guiding blind hole corresponding with both sides piston guide rod respectively on the end face of both sides, driving member divide-shut brake direction.
4. powder gases drive-type circuit breaker ultrahigh speed operating mechanism according to claim 2, is characterized in that: each described blind hole all has at the combustion chamber diapire of drive member to the opening's edge top means of press seals of confession respective side gun barrel mouth of pipe when closing position or sub-gate position.
5. powder gases drive-type circuit breaker ultrahigh speed operating mechanism according to claim 2, is characterized in that: described gun barrel is arranged with the obturator ring for coordinating with the inwall pilot seal of combustion chamber.
6. the powder gases drive-type circuit breaker ultrahigh speed operating mechanism according to claim 2-5 any one, is characterized in that: the axis of described gun barrel is on the same line.
7. the powder gases drive-type circuit breaker ultrahigh speed operating mechanism according to claim 2-5 any one, is characterized in that: the blind hole that the corresponding end pilot seal of described confession two gun barrel plugs has internal diameter and is greater than gun barrel diameter and and forms the residue collection section in the space for collecting gunpowder residue between the corresponding outer peripheral face of gun barrel.
8. powder gases drive-type circuit breaker ultrahigh speed operating mechanism according to claim 7, is characterized in that: described bleeder port is through being arranged on the chamber sidewall of residue collection section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310299953.8A CN104143487B (en) | 2013-07-17 | 2013-07-17 | Powder gases drive-type circuit breaker ultrahigh speed operating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310299953.8A CN104143487B (en) | 2013-07-17 | 2013-07-17 | Powder gases drive-type circuit breaker ultrahigh speed operating mechanism |
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| Publication Number | Publication Date |
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| CN104143487A CN104143487A (en) | 2014-11-12 |
| CN104143487B true CN104143487B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310299953.8A Active CN104143487B (en) | 2013-07-17 | 2013-07-17 | Powder gases drive-type circuit breaker ultrahigh speed operating mechanism |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105070587B (en) * | 2015-08-07 | 2017-06-16 | 东莞市奇捷工业科技有限公司 | A kind of micro gas generator and minitype gas propeller |
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|---|---|---|---|---|
| CN2070949U (en) * | 1990-05-28 | 1991-02-06 | 吴建奎 | Operating mechanism of explosive high-voltage circuit breaker |
| CN1056949A (en) * | 1990-05-30 | 1991-12-11 | 株式会社日立制作所 | The operating means of gas-break switch |
| EP0621619A1 (en) * | 1993-04-22 | 1994-10-26 | Heinrich Kopp Ag | Automatic cut-out |
| CN2206997Y (en) * | 1994-11-17 | 1995-09-06 | 郑贵滨 | Launching type operation structure |
| CN1232279A (en) * | 1998-04-14 | 1999-10-20 | Abb研究有限公司 | Circuit breaker |
| CN201315287Y (en) * | 2008-11-19 | 2009-09-23 | 平高集团有限公司 | Arc extinguish chamber of double-chamber thermal expanding self-extinguishing type SF6 circuit breaker and an air cylinder thereof |
| CN102891044A (en) * | 2011-07-20 | 2013-01-23 | Ls产电株式会社 | Gas circuit breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1596432A (en) * | 1977-01-26 | 1981-08-26 | Westinghouse Electric Corp | Circuit breaker operating mechanism |
-
2013
- 2013-07-17 CN CN201310299953.8A patent/CN104143487B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2070949U (en) * | 1990-05-28 | 1991-02-06 | 吴建奎 | Operating mechanism of explosive high-voltage circuit breaker |
| CN1056949A (en) * | 1990-05-30 | 1991-12-11 | 株式会社日立制作所 | The operating means of gas-break switch |
| EP0621619A1 (en) * | 1993-04-22 | 1994-10-26 | Heinrich Kopp Ag | Automatic cut-out |
| CN2206997Y (en) * | 1994-11-17 | 1995-09-06 | 郑贵滨 | Launching type operation structure |
| CN1232279A (en) * | 1998-04-14 | 1999-10-20 | Abb研究有限公司 | Circuit breaker |
| CN201315287Y (en) * | 2008-11-19 | 2009-09-23 | 平高集团有限公司 | Arc extinguish chamber of double-chamber thermal expanding self-extinguishing type SF6 circuit breaker and an air cylinder thereof |
| CN102891044A (en) * | 2011-07-20 | 2013-01-23 | Ls产电株式会社 | Gas circuit breaker |
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