CN108172462A - A kind of piston compression type arc-control device - Google Patents

A kind of piston compression type arc-control device Download PDF

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Publication number
CN108172462A
CN108172462A CN201711215314.3A CN201711215314A CN108172462A CN 108172462 A CN108172462 A CN 108172462A CN 201711215314 A CN201711215314 A CN 201711215314A CN 108172462 A CN108172462 A CN 108172462A
Authority
CN
China
Prior art keywords
cylinder
air cylinder
arc
spout
wall
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.)
Pending
Application number
CN201711215314.3A
Other languages
Chinese (zh)
Inventor
徐贤忠
杨彦召
祁良甫
李英杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DASHENG MICROGRID TECHNOLOGY Co Ltd
Henan Dasheng High Voltage Electric Co Ltd
Original Assignee
DASHENG MICROGRID TECHNOLOGY Co Ltd
Henan Dasheng High Voltage Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DASHENG MICROGRID TECHNOLOGY Co Ltd, Henan Dasheng High Voltage Electric Co Ltd filed Critical DASHENG MICROGRID TECHNOLOGY Co Ltd
Priority to CN201711215314.3A priority Critical patent/CN108172462A/en
Publication of CN108172462A publication Critical patent/CN108172462A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/904Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism characterised by the transmission between operating mechanism and piston or movable contact
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/91Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas

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  • Circuit Breakers (AREA)

Abstract

The present invention relates to a kind of piston compression type arc-control devices, including moving arc component, spout assembly, air cylinder, cylinder and pull rod, dynamic arc component includes moving arcing contact and the dynamic arc touch base affixed with moving arcing contact bottom end, spout assembly includes small spout and big spout, air cylinder surrounds the plenum chamber of closing, air cylinder outer wall is consistent with cylinder inner wall diameter, air cylinder is set in by sealing ring in cylinder, air cylinder forms chamber of calming the anger with cylinder, air cylinder does piston motion by pull rod in atmospheric pressure cavity, generate the high pressure draught to arc extinguishing, it is that cylinder is fixed on the outer wall of air cylinder in the prior art, pull rod needs that cylinder is driven to move acting together, quality is big, the energy of consumption is big, and the mechanism is then in sub-switching operation, eliminate the work(that cylinder moving is done, structure is simpler.

Description

A kind of piston compression type arc-control device
Technical field
The present invention relates to high-voltage switch gear technical field more particularly to a kind of piston compression type arc-control devices.
Background technology
The breaker of current gas insulation metal closed switch, the basic reason that breaker generates electric arc are to switch electricity Containing largely free electronics in medium of the device contact and around contact in itself, when arcing contact disconnects, if existed between contact Sufficiently large voltage, and when circuital current also reaches most your pupil's arc current, above-mentioned free electronics will be encouraged and form electricity Arc, the electric arc of formation not only has contact very big destruction, but also makes the time lengthening of disconnecting circuit, even more serious feelings Condition is to cause safety accident because of electric arc.In the prior art mostly by plenum chamber arc-control device, by compressed gas to generate Air-flow completes the extinguishing to electric arc, and the arc-chutes include moving contact, static contact, air cylinder, cylinder and pull rod, moving contact, Air cylinder, cylinder connect together, and during sub-switching operation, drive air cylinder and cylinder moving by pull rod, generate high pressure, make air cylinder Bottom end single-phase valve conducting, connect with plenum chamber, air-flow by spout to the electric arc of generation into horizontal blanking, when moving contact and stationary contact When head completely disengages, spout is consistent with indoor air pressure of calming the anger, and completes sub-switching operation, while closed check valve.
But since air cylinder is connect with cylinder, when generating arc extinguishing air-flow, pull rod is needed to be moved together with cylinder, and And cylinder mass is big, then will do very big work(, could complete conversion of the kinetic energy to thermal energy, achieve the effect that compressed gas.
Invention content
In view of the deficiencies of the prior art, which provides a kind of piston compression type arc-control device, saves air cylinder and cylinder It is affixed, pull rod carry out sub-switching operation when, only drive air cylinder piston motion is done in cylinder, come generate high pressure draught into Row arc extinguishing, the structure mitigate without cylinder moving, quality, and the actuating work(that driving mechanism need to generate just reduces, behaviour simple in structure Facilitate.
To achieve the above object, which provides a kind of piston compression type arc-control device, including dynamic arc component, spout group Part, air cylinder, cylinder and pull rod, the dynamic arc component include moving arcing contact and the dynamic arc touch base affixed with moving arcing contact bottom end, Dynamic arc touch base lower end inner wall is arranged with flange, and the spout assembly includes small spout and big spout, the spray of small spout and big spout Pipe is successively set on the periphery of moving arcing contact from the inside to the outside, and the bottom end of the air cylinder cylinder body is provided with check valve by bolt, And check valve and the flanged joint, single-phase valve surround the plenum chamber of closing with air cylinder, and small spout and big spout Jet pipe is connected with plenum chamber, the cylinder include cylinder wall and air cylinder base, the cylinder one end open opposite with air cylinder base, To be movably set on air cylinder, and spring touch finger, air cylinder, cylinder wall and cylinder bottom are equipped between cylinder wall and air cylinder Seat surrounds chamber of calming the anger, and air cylinder does piston motion in intracavitary of calming the anger, and the intracavitary that makes to calm the anger generates high pressure and washed open towards plenum chamber side Check valve, air-flow are sprayed to electric arc through small spout and big spout into horizontal blanking after entering plenum chamber, and the pull rod is fed through cylinder Pedestal, head end and dynamic arc touch base inner wall are affixed.
As a kind of being further improved for piston compression type arc-control device of the invention, on the big spout and air cylinder outer wall It is provided with to connect the dynamic main contac of quiet main contact between end.
As a kind of being further improved for piston compression type arc-control device of the invention, the moving arcing contact top setting is useful With the fingertip being connect with static arc contact.
As a kind of being further improved for piston compression type arc-control device of the invention, the head end of the pull rod is provided with outward The edge of bending, edge are connected to moving arcing contact, move between arc touch base and flange.
As a kind of being further improved for piston compression type arc-control device of the invention, set between the pull rod and air cylinder base It is equipped with sealing ring.
Advantageous effect
1st, a kind of piston compression type arc-control device of the invention, air cylinder outer wall is consistent with cylinder inner wall diameter, and air cylinder passes through Sealing ring is set in cylinder, and piston motion is done by pull rod, generates the high pressure draught to arc extinguishing, is cylinder in the prior art It is fixed on the outer wall of air cylinder, pull rod needs that cylinder is driven to move acting together, and quality is big, and the energy of consumption is big, and the machine Structure then in sub-switching operation, eliminates the work(that cylinder moving is done, and structure is simpler;
2nd, a kind of piston compression type arc-control device of the invention moves arc touch base and sets single-phase valve with air cylinder bottom end, only works as separating brake During operation, cylinder interior gas is compressed into high pressure, and during to certain value, check valve conducting makes cylinder be connected with plenum chamber, thus air-flow Electric arc is blowed to along jet pipe to nozzle, after complete separating brake, spout and plenum chamber pressure communication, check valve restore, and single Phase valve is connect by flange with contact base, better tightness;
3rd, a kind of piston compression type arc-control device of the invention, spout assembly include small spout and big spout, are successively set on respectively The top of moving arcing contact is detaching the starting for generating electric arc from moving arcing contact with static arc contact, is just having air-flow to make arc extinction, go out Arc is more thorough.
Description of the drawings
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the structure diagram of the prior art;
In figure:1st, arc component is moved, 101, moving arcing contact, 102, dynamic arc touch base, 103, flange, 2, spout assembly, 201, small spout, 202nd, big spout, 3, air cylinder, 301, check valve, 302, plenum chamber, 303, dynamic main contac, 4, stent, 401, cylinder wall, 402nd, air cylinder base, 403, chamber of calming the anger, 404, spring touch finger, 5, pull rod.
Specific embodiment
A kind of piston compression type arc-control device as shown in the figure, including dynamic arc component 1, spout assembly 2, air cylinder 3, cylinder 4 With pull rod 5, the dynamic arc component 1 includes moving arcing contact 101 and the dynamic arc touch base 102 affixed with 101 bottom end of moving arcing contact moves arc 102 lower end inner wall of touch base is arranged with flange 103, and the spout assembly 2 includes small spout 201 and big spout 202, small spout 201 It is successively set on the periphery of moving arcing contact 101, and small spout 201 and big spout 202 from the inside to the outside with the jet pipe of big spout 202 Nozzle be sequentially arranged at the top of moving arcing contact 101 from the bottom to top, the bottom end of 3 outer wall of air cylinder is provided with list by bolt Phase valve 301, and check valve 301 is connect with the flange 103, and single-phase valve 301 surrounds the plenum chamber 302 of closing with air cylinder 3, And the jet pipe of small spout 201 and big spout 202 is connected with plenum chamber 302, and the cylinder 4 includes cylinder wall 401 and cylinder Pedestal 402,401 internal diameter of cylinder wall is consistent with the diameter of 3 outer wall of air cylinder, and air cylinder 3 is arranged on the bullet of 401 upper end of cylinder wall Spring fingertip snare is located in cylinder wall 401, and single-phase valve 301, cylinder wall 401 and air cylinder base 402 surround chamber 403 of calming the anger, described Pull rod 5 is fed through air cylinder base 402, and head end and dynamic 102 inner wall of arc touch base are affixed.
Sealing ring is wherein provided between pull rod 5 and air cylinder base 402, the head end of pull rod 5 is provided with the side of outward bending Edge, edge are connected between moving arcing contact 101, dynamic arc touch base 102 and flange 103, ensure the leakproofness of arc-control device.
When closing a floodgate, static arc contact passes through small spout 201 and big spout 202, is touched by what 101 top of moving arcing contact was set Finger is clamped with moving arcing contact 101, and quiet main contact is the same as the dynamic main contac being arranged between 3 outer wall upper end of big spout 202 and air cylinder 303 clampings, when carrying out sub-switching operation, driving mechanism drives pull rod 5 to move downward, pull rod 5 and then the dynamic arc component 1 of drive, spray Mouthful component 2 and air cylinder 3 move downward, and the air pressure raising for the chamber 403 that makes to calm the anger, when reaching certain threshold values, check valve 301 is connected, High pressure draught flows to plenum chamber 302, while quiet main contact takes off with dynamic main contac 303 and static arc contact with 101 phase of moving arcing contact From, electric arc is generated between static arc contact and moving arcing contact 101, high pressure draught is sprayed along small spout 201 and big spout 202, Arc extinguishing action is completed, when separating brake finishes, small spout 201 and big spout 202 are identical with the air pressure of plenum chamber 302, check valve 301 Restore ortho states.
In the prior art, cylinder wall 401 is fixed on the outer wall of air cylinder 3, when driving mechanism drives pull rod 5 to transport downwards When dynamic, pull rod 5 needs that dynamic arc component 1, spout assembly 2, air cylinder 3 and cylinder wall 401 is driven to move downward simultaneously, with the present invention In mechanism compare, increase the quality of cylinder wall 401, so as to which the operating work of driving mechanism also increases.
The above described is only a preferred embodiment of the present invention, not make limitation in any form to the present invention, though So the present invention is disclosed above with preferred embodiment, however is not limited to the present invention, any technology people for being familiar with this profession Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification For the equivalent embodiment of equivalent variations, as long as being without departing from technical solution of the present invention content, technical spirit pair according to the present invention Any simple modification, equivalent change and modification that above example is made, in the range of still falling within technical solution of the present invention.

Claims (5)

1. a kind of piston compression type arc-control device, it is characterised in that:Including moving arc component(1), spout assembly(2), air cylinder (3), cylinder(4)And pull rod(5), the dynamic arc component(1)Including moving arcing contact(101)With with moving arcing contact(101)Bottom end is consolidated The dynamic arc touch base connect(102), move arc touch base(102)Lower end inner wall is arranged with flange(103), the spout assembly(2)Including small Spout(201)With big spout(202), small spout(201)With big spout(202)Jet pipe be successively set on dynamic arc from the inside to the outside and touch Head(101)Periphery, the air cylinder(3)The bottom end of cylinder body is provided with check valve by bolt(301), and check valve (301)With the flange(103)Connection, single-phase valve(301)With air cylinder(3)Surround the plenum chamber of closing(302), and small spray Mouthful(201)With big spout(202)Jet pipe and plenum chamber(302)Connection, the cylinder(4)Including cylinder wall(401)It is gentle Cylinder bottom seat(402), cylinder(4)With air cylinder base(402)Opposite one end open, to be movably set in air cylinder(3)On, and Cylinder wall(401)With air cylinder(3)Between be equipped with spring touch finger (404), air cylinder (3), cylinder wall(401)With air cylinder base (402)Surround chamber of calming the anger(403), air cylinder(3)In chamber of calming the anger(403)Piston motion is inside done, makes chamber of calming the anger(403)It is interior to generate height It presses and towards plenum chamber(302)Wash check valve open in side(301), air-flow enters plenum chamber(302)By small spout(201)With big spray Mouthful(202)It sprays to electric arc into horizontal blanking, the pull rod(5)It is fed through air cylinder base(402), head end and dynamic arc touch base(102) Inner wall is affixed.
2. a kind of piston compression type arc-control device according to claim 1, it is characterised in that:The big spout(202)With Air cylinder(3)It is provided with to connect the dynamic main contac of quiet main contact between outer wall upper end(303).
3. a kind of piston compression type arc-control device according to claim 1, it is characterised in that:The moving arcing contact(101) Top is provided with the fingertip to be connect with static arc contact.
4. a kind of piston compression type arc-control device according to claim 1, it is characterised in that:The pull rod(5)Head end The edge of outward bending is provided with, edge is connected to moving arcing contact(101), dynamic arc touch base(102)And flange(103)Between.
5. a kind of piston compression type arc-control device according to claim 1, it is characterised in that:The pull rod(5)With cylinder Pedestal(402)Between be provided with sealing ring.
CN201711215314.3A 2017-11-28 2017-11-28 A kind of piston compression type arc-control device Pending CN108172462A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711215314.3A CN108172462A (en) 2017-11-28 2017-11-28 A kind of piston compression type arc-control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711215314.3A CN108172462A (en) 2017-11-28 2017-11-28 A kind of piston compression type arc-control device

Publications (1)

Publication Number Publication Date
CN108172462A true CN108172462A (en) 2018-06-15

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Family Applications (1)

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CN201711215314.3A Pending CN108172462A (en) 2017-11-28 2017-11-28 A kind of piston compression type arc-control device

Country Status (1)

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CN (1) CN108172462A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114360960A (en) * 2022-01-12 2022-04-15 山东泰开高压开关有限公司 Quick circuit breaker air-pressing double-acting assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001283695A (en) * 2000-03-30 2001-10-12 Toshiba Corp Buffer type gas-blast circuit-breaker
CN102306590A (en) * 2011-06-01 2012-01-04 厦门华电开关有限公司 Arc extinguishing chamber of circuit breaker
CN104143472A (en) * 2013-09-30 2014-11-12 国家电网公司 Air compression type arc extinction device and high-voltage circuit breaker with arc extinction device
CN106328430A (en) * 2016-08-25 2017-01-11 中国西电电气股份有限公司 Arc extinguish chamber for series compressed air chambers
CN207587622U (en) * 2017-11-28 2018-07-06 河南大盛高压电气有限公司 A kind of piston compression type arc-control device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001283695A (en) * 2000-03-30 2001-10-12 Toshiba Corp Buffer type gas-blast circuit-breaker
CN102306590A (en) * 2011-06-01 2012-01-04 厦门华电开关有限公司 Arc extinguishing chamber of circuit breaker
CN104143472A (en) * 2013-09-30 2014-11-12 国家电网公司 Air compression type arc extinction device and high-voltage circuit breaker with arc extinction device
CN106328430A (en) * 2016-08-25 2017-01-11 中国西电电气股份有限公司 Arc extinguish chamber for series compressed air chambers
CN207587622U (en) * 2017-11-28 2018-07-06 河南大盛高压电气有限公司 A kind of piston compression type arc-control device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114360960A (en) * 2022-01-12 2022-04-15 山东泰开高压开关有限公司 Quick circuit breaker air-pressing double-acting assembly
CN114360960B (en) * 2022-01-12 2023-08-29 山东泰开高压开关有限公司 Quick circuit breaker double acting subassembly that presses

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