CN109767950A - A kind of self-energy arc-extinguishing chamber and the breaker using the arc-chutes - Google Patents
A kind of self-energy arc-extinguishing chamber and the breaker using the arc-chutes Download PDFInfo
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- CN109767950A CN109767950A CN201711100437.2A CN201711100437A CN109767950A CN 109767950 A CN109767950 A CN 109767950A CN 201711100437 A CN201711100437 A CN 201711100437A CN 109767950 A CN109767950 A CN 109767950A
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Abstract
The present invention relates to a kind of self-energy arc-extinguishing chamber and use the breaker of the arc-chutes, self-energy arc-extinguishing chamber includes shell, piston bore and piston cylinder bottom are equipped in shell, the piston structure for being equipped with corresponding arc-chutes breaking-closing operating on piston bore or in piston bore and moving back and forth, piston structure and piston bore, piston cylinder bottom forms plenum chamber, piston structure is equipped with moving arcing contact, spout and and moving arcing contact, the corresponding expanding chamber of spout, plenum chamber is equipped with the pressure-relief valve structure for opening decompression in arc-chutes separating brake, plenum chamber is equipped with air supply passage, air supply passage is equipped with for opening the tonifying Qi valve arrangement to inflate into plenum chamber when arc-chutes close a floodgate.Sharply decline in the breaker switching-on operation chamber internal pressure that calm the anger, tonifying Qi valve arrangement is opened, and external sulfur hexafluoride gas passes through in the rapid air inlet plenum chamber of air supply passage, complete combined floodgate tonifying Qi operation, inside and outside differential pressure is balanced, combined floodgate resistance is effectively reduced, reduces closing operation function.
Description
Technical field
The present invention relates to high-voltage switch gear fields, and in particular to a kind of self-energy arc-extinguishing chamber and the open circuit using the arc-chutes
Device.
Background technique
Breaker includes arc-chutes and corresponding operating mechanism, common sulfur hexafluoride arc-chutes according to its arc quenching principle,
Including air pressing type arc-chutes and self-energy arc-extinguishing chamber, that there are equipment volumes is huge for air pressing type arc-chutes, structure is complicated, project cost
High, the problems such as mechanism operating work is big, the mechanism reliability problem of especially various big operating works is more prominent.With air pressing type arc extinguishing
Room is compared, and self-energy arc-extinguishing chamber can make full use of the energy of electric arc itself to establish blast pressure, can largely be had
Effect reduces breaker operation work, and substantially reduces machine driven system and mechanical impact force that chassis is born, makes breaker
Mechanical Reliability be greatly improved.
There are mainly two types of the structures of self-energy arc-extinguishing chamber, and a kind of utility model if Authorization Notice No. is CN2546996Y is special
Self-energized thermal expansion type SF 6 arc-extinguishing chamber of circuit breaker disclosed in benefit comprising shell is equipped with static contact mechanism in shell
And dynamic contact mechanism, dynamic contact mechanism include dynamic main contac, moving arcing contact and drive reciprocating action together by pull rod with the two
Spout, dynamic main contac, which is formed by piston bore, to be equipped with partition and piston cylinder bottom, partition and is fixed together with pull rod, piston
With the mobile assembly of tie-rod sealing, it is separated out thermal expansion room and plenum chamber by partition and piston cylinder bottom, partition is equipped with thermal expansion
Non-return valve is equipped with displacer relief valve on piston plate, is calming the anger so that gas can only enter from plenum chamber in thermal expansion room
Displacer relief valve is unidirectionally opened when chamber pressure is excessive, realizes pressure release, improves safety.When cut-offfing high current, in dynamic arc
Electric arc is formed between contact and static arc contact, generates thermal expansion air-flow, and thermal expansion non-return valve is closed, and thermal expansion chamber interior air pressure is fast
Speed increases, and forms arc extinguishing air-flow, carries out self-energy quenching arc.During the opening process, since pressure chamber is reduced rapidly, pressure chamber's air pressure is fast
Speed increases, and displacer relief valve, which is opened, realizes pressure release, mitigates separating brake resistance, reduces sub-switching operation function.When cut-offfing low current,
Arc energy is small, cannot form biggish thermal expansion stresses, at this point, thermal expansion non-return valve is opened, gas enters heat in plenum chamber
Arc extinguishing air-flow is formed in expanding chamber, realizes arc extinguishing operation.
The piston bore that plenum chamber is formed in above-mentioned self-energy arc-extinguishing chamber follows pull rod and moving arcing contact, spout to act together
, there is also a kind of self-energy arc-extinguishing chamber structures in the prior art, such as the utility model that Authorization Notice No. is CN203787345U
The arc quenching chamber structure in self energy arc blow-out breaker disclosed in patent is that movement is arranged in the fixed piston of sleeve-shaped
Dynamic main contac, moving arcing contact, spray head and piston rod, wherein dynamic main contac and fixed piston form auxiliary air storage chamber, dynamic main contac
And moving arcing contact forms air storage chamber, dynamic main contac is equipped with upper valve, and fixed piston is equipped with lower valve, is cut-offfing high current
When, by the gas in arc energy heating air storage chamber, pressure needed for arc extinguishing is established, arc extinguishing air-flow is formed.After the completion of arc extinguishing, on
Lower valve is opened, and excessive gas is discharged.When cut-offfing little airflow, electric arc itself can not establish pressure needed for arc extinguishing, open upper valve
Door forms high pressure draught using auxiliary air storage chamber and enters in air storage chamber, forms arc extinguishing air-flow.
As it can be seen that in existing self-energy arc-extinguishing chamber, the either plenum chamber of that structure is each equipped with corresponding thermal expansion
Room, plenum chamber in this way may be used moreover, being equipped with corresponding relief valve in the cylinder base away from thermal expansion room for forming plenum chamber
Operating work is effectively reduced.Certainly, setting it can also to be used for the corresponding non-return valve for being connected to thermal expansion room and plenum chamber on thermal expansion room,
It realizes the operation of low current compressed-air arc-extinguishing, certainly, if actual conditions cut-off arc extinguishing without low current, check can also be not provided with
Valve only relies on electric arc heated gas and forms self-energized thermal expansion arc extinguishing.
But either that self-energy arc-extinguishing chamber all has a problem that, on moving contact component combined floodgate stroke, calms the anger
Room volume is gradually increased, and pressure gradually decreases, and the pressure outside plenum chamber is basically unchanged, and can generate combined floodgate resistance, this is just needed
A part of operating work is consumed to overcome plenum chamber pressure reduction bring combined floodgate resistance, influences arc-chutes closing operation, is increased
The requirement of closing operation function.
Summary of the invention
The purpose of the present invention is to provide a kind of self-energy arc-extinguishing chambers, to solve combined floodgate existing for existing self-energy arc-extinguishing chamber
When plenum chamber pressure reduction caused by combined floodgate resistance the technical issues of；Meanwhile above-mentioned arc extinguishing is used the present invention also provides a kind of
The breaker of room.
To achieve the above object, the technical solution 1 of self-energy arc-extinguishing chamber provided by the present invention is: a kind of self extinguishing type arc extinguishing
Room, including shell, are equipped with piston bore and piston cylinder bottom in shell, are equipped with corresponding arc-chutes on piston bore or in piston bore
Breaking-closing operating and the piston structure moved back and forth, piston structure and piston bore, piston cylinder bottom form plenum chamber, piston structure
It is equipped with moving arcing contact, spout and expanding chamber corresponding with moving arcing contact, spout, plenum chamber is equipped in arc-chutes separating brake
When open decompression pressure-relief valve structure, plenum chamber be equipped with air supply passage, air supply passage be equipped with for when arc-chutes close a floodgate
Open the tonifying Qi valve arrangement to inflate into plenum chamber.
The beneficial effects of the present invention are: being not only provided on plenum chamber in self-energy arc-extinguishing chamber provided by the present invention
Corresponding pressure-relief valve structure is additionally provided with corresponding tonifying Qi valve arrangement, in this way, to press inside plenum chamber in breaker switching-on operation
Power sharply declines, and tonifying Qi valve arrangement is opened, and external sulfur hexafluoride gas is by completing in the rapid air inlet plenum chamber of air supply passage
Combined floodgate tonifying Qi operation, balances inside and outside differential pressure, effectively reduces combined floodgate resistance, meanwhile, it can pass through when separating brake has also been effectively ensured
Intaking valve structure carries out compressed-air arc-extinguishing into expanding chamber, improves arc extinguishing efficiency.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 1 and obtains the technical solution 2 of self-energy arc-extinguishing chamber: the benefit
Gas channel is arranged on the piston cylinder bottom, the tonifying Qi valve arrangement be the corresponding air supply passage arrange can one-way conduction
Tonifying Qi one-way valve structures.It is arranged on piston cylinder bottom, manufacture easy to process, and is arranged to tonifying Qi one-way valve structures, can reduces into
This, also facilitates mounting arrangements.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 2 and obtains the technical solution 3 of self-energy arc-extinguishing chamber: the benefit
Gas channel includes at least two circumferentially spaced tonifying Qi through-holes, and the tonifying Qi one-way valve structures include that setting is logical in tonifying Qi
Hole forces it to close the effect of tonifying Qi through-hole towards the tonifying Qi valve block at the aperture of plenum chamber one end, and to the application of tonifying Qi valve block
The tonifying Qi elastic component of power, the tonifying Qi valve block are annular.For circumferentially spaced tonifying Qi through-hole, the tonifying Qi of annular is set
The net synchronization capability of switch can be effectively controlled in valve block, improves tonifying Qi efficiency.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 3 and obtains the technical solution 4 of self-energy arc-extinguishing chamber: each tonifying Qi
Through-hole is arc-shaped long hole, can effectively improve tonifying Qi efficiency in this way.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 3 and obtains the technical solution 5 of self-energy arc-extinguishing chamber: the work
Plug cylinder cylinder and/or piston cylinder bottom are equipped with for guiding tonifying Qi valve block to be oriented to along the tonifying Qi of piston structure moving direction guiding movement
Structure.The action stability of annular valve block can be improved using tonifying Qi guide frame, improve tonifying Qi efficiency.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 5 and obtains the technical solution 6 of self-energy arc-extinguishing chamber: the benefit
Gas guide frame includes leading along at least two tonifying Qi that piston structure moving direction guiding movement is assemblied on the piston cylinder bottom
Bar, tonifying Qi guide rod are circumferentially spaced uniformly distributed.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 6 and obtains the technical solution 7 of self-energy arc-extinguishing chamber: the benefit
Gas elastic component is the tonifying Qi pressure spring for being sleeved on corresponding tonifying Qi guide rod and being located at outside plenum chamber, one end of tonifying Qi pressure spring and the work
The respective end that plug cylinder bottom presses cooperation, the other end and the tonifying Qi guide rod, which presses, to be cooperated, the separate tonifying Qi pressure of tonifying Qi guide rod
One end of spring, which has for pressing the tonifying Qi valve block, presses structure with the tonifying Qi for closing tonifying Qi through-hole.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 7 and obtains the technical solution 8 of self-energy arc-extinguishing chamber: be set with
The respective end of the tonifying Qi guide rod of tonifying Qi pressure spring is equipped with split pin, is cooperated with pressing with the tonifying Qi pressure spring.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 6 and obtains the technical solution 9 of self-energy arc-extinguishing chamber: the benefit
Conductance bar and the tonifying Qi through-hole circumferentially successively alternate arranged for interval on the piston cylinder bottom.
It is improved on the basis of self-energy arc-extinguishing chamber 1 to 9 any one of technical solution and obtains the technology of self-energy arc-extinguishing chamber
Scheme 10: the piston cylinder bottom is equipped with corresponding pressure release passage, and the pressure-relief valve structure corresponds to pressure release passage and is disposed with
Pressure release one-way valve structures.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 10 and obtains the technical solution 11 of self-energy arc-extinguishing chamber: is described
Pressure release passage includes at least two circumferentially spaced pressure release through-holes, and the pressure release one-way valve structures include being arranged described
The pressure release valve block at the aperture of described plenum chamber one end of pressure release through-hole, and force it to close pressure release to the application of pressure release valve block
The pressure release elastic component of the active force in channel, the pressure release valve block are annular.For circumferentially spaced pressure release through-hole, setting
Pressure release consistency can be improved in the pressure release valve block of annular, improves pressure release efficiency.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 11 and obtains the technical solution 12 of self-energy arc-extinguishing chamber: respectively let out
Pressing through-hole is arc-shaped long hole.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 12 and obtains the technical solution 13 of self-energy arc-extinguishing chamber: is described
Piston bore and/or piston cylinder bottom are equipped with for guiding pressure release valve block to lead along the pressure release of piston structure moving direction guiding movement
To structure.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 13 and obtains the technical solution 14 of self-energy arc-extinguishing chamber: is described
Pressure release guide frame includes at least two pressure releases being assemblied on the piston cylinder bottom along piston structure moving direction guiding movement
Guide rod, pressure release guide rod are circumferentially spaced uniformly distributed.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 14 and obtains the technical solution 15 of self-energy arc-extinguishing chamber: is described
Pressure release elastic component be sleeved on corresponding pressure release guide rod and be located at plenum chamber outside pressure release pressure spring, one end of pressure release pressure spring with it is described
The respective end of pressure release valve block press cooperation, the other end and the pressure release guide rod, which presses, to be cooperated, and the other end of pressure release guide rod is installed in
The piston cylinder bottom presses cooperation with piston cylinder bottom anticreep under the action of the pressure release pressure spring.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 15 and obtains the technical solution 16 of self-energy arc-extinguishing chamber: suit
There is the respective end of the pressure release guide rod of pressure release pressure spring to be equipped with split pin, is cooperated with being pressed with the pressure release pressure spring.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 14 and obtains the technical solution 17 of self-energy arc-extinguishing chamber: is described
Pressure release guide rod and the pressure release through-hole circumferentially successively alternate arranged for interval on the piston cylinder bottom.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 1 and obtains the technical solution 18 of self-energy arc-extinguishing chamber: is described
The assembly seperated with piston bore of piston cylinder bottom, the tonifying Qi valve arrangement and pressure-relief valve structure are arranged on the piston cylinder bottom.
It is improved on the basis of self-energy arc-extinguishing chamber technical solution 18 and obtains the technical solution 19 of self-energy arc-extinguishing chamber: is described
Piston cylinder bottom be towards plenum chamber one end be equipped with closed end cap part, away from plenum chamber one end open tube-in-tube structure, it is described
Tonifying Qi valve arrangement and pressure-relief valve structure are arranged on the closed end cap part, the opening away from plenum chamber of the tube-in-tube structure
Port formation the outer of assembly corresponding with the piston bore is put to turn edge.
It is improved on the basis of any one of self-energy arc-extinguishing chamber technical solution 1 to 9 and obtains the skill of self-energy arc-extinguishing chamber
Art scheme 20: the piston structure is equipped with the intaking valve structure that plenum chamber can be made to be connected with expanding chamber.
The technical solution 1 of breaker provided by the present invention using above-mentioned arc-chutes is: a kind of breaker, including self extinguishing type
Arc-chutes and corresponding operating mechanism, self-energy arc-extinguishing chamber include shell, are equipped with piston bore and piston cylinder bottom, piston in shell
The piston structure for being equipped with corresponding arc-chutes breaking-closing operating on cylinder barrel or in piston bore and moving back and forth, piston structure and piston
Cylinder barrel, piston cylinder bottom form plenum chamber, and piston structure is equipped with moving arcing contact, spout and corresponding with moving arcing contact, spout swollen
Swollen room, plenum chamber are equipped with the pressure-relief valve structure for opening decompression in arc-chutes separating brake, and plenum chamber is equipped with air supply passage,
Air supply passage is equipped with for opening the tonifying Qi valve arrangement to inflate into plenum chamber when arc-chutes close a floodgate.
Improve on the basis of Circuit breaker technology scheme 1 and obtain the technical solution 2 of breaker: the air supply passage setting exists
On the piston cylinder bottom, the tonifying Qi valve arrangement be the corresponding air supply passage arrangement can one-way conduction tonifying Qi check valve knot
Structure.
Improve on the basis of Circuit breaker technology scheme 2 and obtain the technical solution 3 of breaker: the air supply passage includes edge
At least two tonifying Qi through-holes of circumferentially-spaced distribution, the tonifying Qi one-way valve structures include be arranged in tonifying Qi through-hole direction calm the anger
Tonifying Qi valve block at the aperture of room one end, and the tonifying Qi for applying the active force for forcing it to close tonifying Qi through-hole to tonifying Qi valve block are elastic
Part, the tonifying Qi valve block are annular.
Improve on the basis of Circuit breaker technology scheme 3 and obtain the technical solution 4 of breaker: each tonifying Qi through-hole is circular arc
Shape long hole.
Improved on the basis of Circuit breaker technology scheme 3 and obtain the technical solution 5 of breaker: the piston bore and/or
Piston cylinder bottom is equipped with for guiding tonifying Qi valve block along the tonifying Qi guide frame of piston structure moving direction guiding movement.
It is improved on the basis of Circuit breaker technology scheme 5 and obtains the technical solution 6 of breaker: the tonifying Qi guide frame packet
Include at least two tonifying Qi guide rods being assemblied on the piston cylinder bottom along piston structure moving direction guiding movement, tonifying Qi guide rod edge
It is circumferentially-spaced uniformly distributed.
Improve on the basis of Circuit breaker technology scheme 6 and obtain the technical solution 7 of breaker: the tonifying Qi elastic component is set
Tonifying Qi pressure spring on corresponding tonifying Qi guide rod and outside plenum chamber, one end of tonifying Qi pressure spring are matched with piston cylinder bottom press
It closes, the respective end press cooperation of the other end and the tonifying Qi guide rod, one end far from the tonifying Qi pressure spring of tonifying Qi guide rod has
Structure is pressed with the tonifying Qi for closing tonifying Qi through-hole for pressing the tonifying Qi valve block.
It is improved on the basis of Circuit breaker technology scheme 7 and obtains the technical solution 8 of breaker: being set with the benefit of tonifying Qi pressure spring
The respective end of conductance bar is equipped with split pin, is cooperated with pressing with the tonifying Qi pressure spring.
On the basis of Circuit breaker technology scheme 6 improve obtain the technical solution 9 of breaker: the tonifying Qi guide rod with it is described
Tonifying Qi through-hole circumferentially successively alternate arranged for interval on the piston cylinder bottom.
It is improved on the basis of Circuit breaker technology 1 to 9 any one of scheme and obtains the technical solution 10 of breaker: the work
Plug cylinder bottom is equipped with corresponding pressure release passage, and the pressure-relief valve structure is the pressure release check valve knot that corresponding pressure release passage is disposed with
Structure.
Improve on the basis of Circuit breaker technology scheme 10 and obtain the technical solution 11 of breaker: the pressure release passage includes
At least two circumferentially spaced pressure release through-holes, the pressure release one-way valve structures include the back that the pressure release through-hole is arranged in
From the pressure release valve block at the aperture of described plenum chamber one end, and apply the active force for forcing it to close pressure release passage to pressure release valve block
Pressure release elastic component, the pressure release valve block be annular.
Improve on the basis of Circuit breaker technology scheme 11 and obtain the technical solution 12 of breaker: each pressure release through-hole is circle
Long arc-shaped holes.
Improved on the basis of Circuit breaker technology scheme 12 and obtain the technical solution 13 of breaker: the piston bore and/
Or piston cylinder bottom is equipped with for guiding pressure release valve block along the pressure release guide frame of piston structure moving direction guiding movement.
It is improved on the basis of Circuit breaker technology scheme 13 and obtains the technical solution 14 of breaker: the pressure release guide frame
Including being assemblied at least two pressure release guide rods on the piston cylinder bottom, pressure release guide rod along piston structure moving direction guiding movement
It is circumferentially spaced uniformly distributed.
Improve on the basis of Circuit breaker technology scheme 14 and obtain the technical solution 15 of breaker: the pressure release elastic component is
It is sleeved on the pressure release pressure spring on corresponding pressure release guide rod and being located at outside plenum chamber, one end of pressure release pressure spring and the pressure release valve block press
The respective end of cooperation, the other end and the pressure release guide rod, which presses, to be cooperated, and the other end of pressure release guide rod is installed in the piston cylinder bottom
Or it presses and cooperates with piston cylinder bottom anticreep under the action of the pressure release pressure spring.
It is improved on the basis of Circuit breaker technology scheme 15 and obtains the technical solution 16 of breaker: being set with pressure release pressure spring
The respective end of pressure release guide rod is equipped with split pin, is cooperated with pressing with the pressure release pressure spring.
It is improved on the basis of Circuit breaker technology scheme 14 and obtains the technical solution 17 of breaker: the pressure release guide rod and institute
State pressure release through-hole circumferentially successively alternate arranged for interval on the piston cylinder bottom.
It is improved on the basis of Circuit breaker technology scheme 1 and obtains the technical solution 18 of breaker: the piston cylinder bottom and work
The assembly of plug cylinder cylinder fission, the tonifying Qi valve arrangement and pressure-relief valve structure are arranged on the piston cylinder bottom.
Improve on the basis of Circuit breaker technology scheme 18 and obtain the technical solution 19 of breaker: the piston cylinder bottom is court
To plenum chamber one end be equipped with closed end cap part, away from plenum chamber one end open tube-in-tube structure, the tonifying Qi valve arrangement and
Pressure-relief valve structure is arranged on the closed end cap part, the tube-in-tube structure away from plenum chamber open port formed with
Corresponding the outer of assembly of the piston bore turns edge.
It is improved on the basis of any one of Circuit breaker technology scheme 1 to 9 and obtains the technical solution 20 of breaker: is described
Piston structure is equipped with the intaking valve structure that plenum chamber can be made to be connected with expanding chamber.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of self-energy arc-extinguishing chamber provided by the present invention；
Fig. 2 is partial structure diagram when arc-chutes shown in Fig. 1 close a floodgate；
Partial structure diagram when Fig. 3 is arc-chutes separating brake shown in Fig. 1；
Fig. 4 is the structural schematic diagram at piston cylinder bottom in Fig. 2；
Fig. 5 is the half-section diagram of cylinder bottom shown in Fig. 4.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing, but is not limited thereto.
The specific embodiment of self-energy arc-extinguishing chamber provided by the present invention, as shown in Figures 1 to 5, going out in the embodiment
Arc chamber includes the dynamic and static contact assembly of shell 100 and inside, and static contact component includes quiet main contact part 40 and static arc contact portion
Divide 42, wherein the structure of shell and static contact component part is identical as the corresponding construction of arc-chutes in the prior art, herein no longer
It repeats.
Arc-chutes provided by the present embodiment are equipped with piston bore 3 in shell and seperated are fixed on 3 one end of piston bore
Piston cylinder bottom 2 in other embodiments, can also be fixedly connected with mode by welding, riveting etc. here by screw fixing assembling
It is fixed, certainly, the corresponding assembly of the two can also be realized by way of fixed crimping.Piston cylinder bottom 2 is towards 1 one end of plenum chamber
Equipped with closed end cap part 32, away from plenum chamber one end open tube-in-tube structure 30, also, tube-in-tube structure 30 away from calming the anger
The open port of room formed it is corresponding with piston bore assemble it is outer turn edge 31, turn edge be provided with screw mounting hole on 31 outside, with
In the corresponding fastening screw of installation.
On piston cylinder bottom 2, tonifying Qi valve arrangement and pressure-relief valve structure are specifically set on closed end cap part 32, to realize
Combined floodgate tonifying Qi and separating brake pressure discharge operations to plenum chamber 1, and then can effectively reduce operating work.
In fact, what is moved back and forth in piston bore 3 is equipped with piston structure, piston structure is equipped with piston rod 13,
13 hermetically passing piston cylinder bottom of piston rod, piston rod herein is as power input portion for exhausted with breaker operation mechanism
The transmission connection of edge pull rod, to realize that divide-shut brake power inputs.
Piston structure includes Piston spacer plates 14 and the inner cylinder tube being fixedly set on piston 17, the separate piston of inner cylinder tube 17
The end of cylinder bottom 2 is equipped with moving contact structure 4, and the inside of moving contact structure 4 is equipped with spout 5, extends to spout 5 in piston rod 13
One end be equipped with moving arcing contact structure 16, moving contact structure 4, spout 5 and moving arcing contact structure 16 herein forms above-mentioned dynamic
Contact assembly.
It should be noted that piston structure and piston bore 3, the formation of piston cylinder bottom 2 plenum chamber 1, and piston structure
On inner cylinder tube 17, main contact 4, Piston spacer plates 14, piston rod 13, spout 5 then form expanding chamber 15, expanding chamber 15 and dynamic arc touch
Header structure, spout 5 are corresponding.
Expanding chamber 15 is equipped with the intaking valve structure that plenum chamber can be made to be connected with expanding chamber, in the present embodiment, intake valve knot
Structure is specially the check valve arrangement 43 being arranged on Piston spacer plates, and the check valve arrangement 43 is in expansion chamber internal pressure compared with Gao Shiguan
It closes, corresponds to high current self-energy quenching arc, check valve arrangement 43 is opened when expansion chamber internal pressure is lower, so that in pressure chamber
Portion's gas enters inside expanding chamber, forms compressed-air arc-extinguishing mode.
In addition, on plenum chamber 1 be equipped in arc-chutes separating brake and pressure chamber pressure reach setting value opening let out
Pressure valve, to reduce sub-switching operation function.Specifically in the present embodiment, it is equipped on the closed end cap part at piston cylinder bottom and lets out accordingly
Pressure passageway, as shown in figure 5, pressure release passage specifically includes three circumferentially spaced pressure release through-holes, each pressure release through-hole 34 is
For arc-shaped long pore structure.Correspondence is disposed with pressure release one-way valve structures on pressure release passage, relief valve one-way valve structures tool herein
Body includes the pressure release valve block 10 that the annular at the aperture of plenum chamber one end of pressure release through-hole 34 is arranged in, and to pressure release valve block
10 apply the pressure release elastic component 11 for the active force for forcing it to close pressure release passage.
Since the pressure release valve block of annular controls the on-off of three pressure release through-holes 34, to improve synchronism, on piston cylinder bottom 2
Equipped with for guiding pressure release valve block along the pressure release guide frame of piston structure moving direction guiding movement, pressure release guide frame tool
Body includes three pressure release guide rods 9 being assemblied on piston cylinder bottom along piston structure moving direction guiding movement, three pressure release guide rods 9
It is circumferentially spaced uniformly distributed, also, pressure release guide rod 9 and pressure release through-hole 34 circumferentially successively alternate arranged for interval, it in this way can be most
Steering capability of the raising of big degree to pressure release valve block 10.
Pressure release stepped hole is equipped on piston cylinder bottom 2 to be used for location and installation pressure release guide rod 9, is set on pressure release guide rod 9
As the pressure release pressure spring of pressure release elastic component 11, pressure release pressure spring is located at outside plenum chamber, also, one end of pressure release pressure spring presses against pressure release
On valve block, the respective end of the other end and pressure release guide rod, which presses, to be cooperated, in fact, the respective end in pressure release guide rod is coated with pressure release and opens
Mouth pin 12, to cooperate for being pressed with the respective end of pressure release pressure spring.The other end of pressure release guide rod 9 is then under the action of pressure release pressure spring
With piston cylinder bottom anticreep press cooperate, in fact, pressure release guide rod 9 respective end be provided with the disconnecting prevention structure of T-type with for
Realize anticreep cooperation in piston cylinder bottom 2.
When 1 internal pressure of plenum chamber is larger, in the case where overcoming pressure release pressure spring active force, pushing tow is beaten for biggish air pressure
Pressure release valve block is opened, realizes effective pressure release, reduces sub-switching operation function.
In fact, on plenum chamber 1 be equipped with air supply passage, air supply passage be equipped with for opened when arc-chutes close a floodgate to
The tonifying Qi valve arrangement inflated in plenum chamber.In the present embodiment, air supply passage includes circumferentially spaced on piston cylinder bottom
Three tonifying Qi through-holes 33, each tonifying Qi through-hole 33 is arc-shaped long hole, and tonifying Qi valve arrangement is the benefit of corresponding air supply passage arrangement
Gas one-way valve structures, can one-way conduction with the tonifying Qi into air pressing type.It is logical in tonifying Qi that the tonifying Qi one-way valve structures specifically include setting
Hole forces it to close the work of tonifying Qi through-hole towards the tonifying Qi valve block 6 at the aperture of plenum chamber one end, and to the application of tonifying Qi valve block 6
Tonifying Qi elastic component 7 firmly, tonifying Qi valve block are specially ring structure.
Likewise, being equipped on piston cylinder bottom 2 for guiding to improve the action stability and synchronism of tonifying Qi valve block 6
Along the tonifying Qi guide frame of piston structure moving direction guiding movement, which specifically includes along piston tonifying Qi valve block
Structure moving direction guiding movement is assemblied in three tonifying Qi guide rods 8 on piston cylinder bottom, and tonifying Qi guide rod 8 is circumferentially spaced uniformly distributed.It is right
For each tonifying Qi guide rod, guide rod installing hole, three tonifying Qi guide rods 8 and three tonifying Qi through-holes 33 are respectively equipped on piston cylinder bottom
Circumferentially successively alternate arranged for interval, can improve guiding stability to the greatest extent in this way.
In the present embodiment, tonifying Qi elastic component 7 is specially the tonifying Qi pressure for being sleeved on each tonifying Qi guide rod and being located at outside plenum chamber
Spring, one end of the tonifying Qi pressure spring and the press of piston cylinder bottom 2 cooperate, and the other end, which is then pressed with the respective end of tonifying Qi guide rod 8, to be cooperated, real
On border, the respective end for being set with the tonifying Qi guide rod of tonifying Qi pressure spring is equipped with tonifying Qi split pin 9 and is cooperated with pressing with tonifying Qi pressure spring 7.
Since tonifying Qi valve block 6 is located at one end towards plenum chamber of tonifying Qi through-hole, to guarantee effective pressure to tonifying Qi valve block 6
There is tonifying Qi to press structure for one end of dress, the separate tonifying Qi pressure spring of tonifying Qi guide rod 8, press aeration valve using tonifying Qi press structure
Piece is to close tonifying Qi through-hole.
Arc-chutes provided by the present embodiment are when specifically used, in breaker switching-on operation, in the band of piston rod 13
Under dynamic, piston structure and the moving contact component which is provided with are mobile towards close static contact component together, so that inside plenum chamber
Pressure sharply declines, and after 1 inside and outside differential pressure of plenum chamber is greater than the active force of tonifying Qi spring, tonifying Qi valve block 6 is opened, external hexafluoro
Change sulphur gas by the rapid air inlet plenum chamber of tonifying Qi through-hole 33, completing combined floodgate tonifying Qi operation, balances inside and outside differential pressure, be effectively reduced
Combined floodgate resistance, meanwhile, it can be inflated by non-return valve to expanding chamber 15 when separating brake has also been effectively ensured, to realize compressed-air arc-extinguishing.
In breaker open operation operation, under the drive of piston rod 13, piston structure and the moving contact component which is provided with
The direction for being directed away from static contact component is mobile, so that 1 air pressure inside of plenum chamber sharply increases, 1 inside and outside differential pressure of plenum chamber is greater than
After the compressing force of pressure release pressure spring, pressure release valve block 10 is opened, and the high pressure gas in plenum chamber 1 is discharged by pressure release through-hole, completes to divide
Lock pressure release.
In arc-chutes provided by the present embodiment, tonifying Qi valve block and pressure release valve block are ring structure, meanwhile, it is configured with phase
The guide frame answered can guarantee the correspondence net synchronization capability of tonifying Qi and pressure release in this way, improve combined floodgate, sub-switching operation stability.
In the present embodiment, pressure-relief valve structure and tonifying Qi valve arrangement are arranged on piston cylinder bottom, and piston cylinder bottom is seperated
Be assembled together with piston bore.In other embodiments, only pressure-relief valve structure or aeration valve structure setting can also be existed
On piston cylinder bottom, and another is arranged on piston bore or other positions.Certainly, at this point, piston bore can also be with piston
Cylinder bottom is wholely set.
In the present embodiment, for piston bore together with the fixing assembling of piston/cylinder fission, piston structure is located at piston cylinder
In cylinder.It in other embodiments, can also be as disclosed in the Chinese utility model patent that Authorization Notice No. is CN2546996Y
Arc-chutes, piston structure is arranged in piston bore, at this point, piston structure will move together with piston bore, piston cylinder
Cylinder is then formed with piston cylinder bottom and is slidably matched.
In the present embodiment, tonifying Qi valve arrangement is tonifying Qi one-way valve structures, and pressure-relief valve structure is corresponding pressure release check valve knot
Structure.In other embodiments, tonifying Qi valve arrangement, pressure-relief valve structure may be other control valve arrangements, as long as meeting normal
Combined floodgate tonifying Qi, separating brake pressure discharge operations.
In the present embodiment, tonifying Qi through-hole and pressure release through-hole are arc-shaped long hole, and corresponding air inlet can be improved in this way, let out
Efficiency is pressed, ventilatory capacity is improved.In other embodiments, tonifying Qi through-hole and pressure release through-hole can also be the through-hole of other structures form.
In the present embodiment, corresponding tonifying Qi guide frame and pressure release guide frame are set on piston cylinder bottom, can be mentioned in this way
The switch motion of high respective annular valve block improves action stability and synchronism.It in other embodiments, can also be in piston cylinder
Corresponding guide frame is set on cylinder.
In the present embodiment, guide frame is using the removable guide rod being assemblied on piston cylinder bottom so that it is convenient to be assembled
And adjustment.In other embodiments, guide frame may be the guiding raised line being arranged on piston cylinder bottom or piston bore.
The present invention also provides a kind of embodiment of breaker, the breaker in the embodiment includes arc-chutes and corresponding behaviour
Operating mechanism in the prior art can be used in motivation structure, operating mechanism, and arc-chutes use above-mentioned arc quenching chamber structure shown in FIG. 1,
Details are not described herein for specific structure.
Above embodiments are only to illustrate rather than limit the technical solution of the present embodiment, although referring to above-described embodiment to this
Invention is described in detail, those skilled in the art should understand that: can still modify to the present invention or
Equivalent replacement should all cover of the invention without departing from the spirit or scope of the invention, or any substitutions
In scope of the claims.
Claims (10)
1. a kind of self-energy arc-extinguishing chamber, including shell, it is equipped with piston bore and piston cylinder bottom in shell, on piston bore or piston
The piston structure for being equipped with corresponding arc-chutes breaking-closing operating in cylinder barrel and moving back and forth, piston structure and piston bore, piston cylinder
Bottom forms plenum chamber, and piston structure is equipped with moving arcing contact, spout and expanding chamber corresponding with moving arcing contact, spout, plenum chamber
It is equipped with the pressure-relief valve structure for opening decompression in arc-chutes separating brake, it is characterised in that: plenum chamber is equipped with air supply passage,
Air supply passage is equipped with for opening the tonifying Qi valve arrangement to inflate into plenum chamber when arc-chutes close a floodgate.
2. self-energy arc-extinguishing chamber according to claim 1, it is characterised in that: the air supply passage is arranged in the piston cylinder
On bottom, the tonifying Qi valve arrangement be the corresponding air supply passage arrangement can one-way conduction tonifying Qi one-way valve structures.
3. self-energy arc-extinguishing chamber according to claim 2, it is characterised in that: the air supply passage includes circumferentially spaced point
At least two tonifying Qi through-holes of cloth, the tonifying Qi one-way valve structures include be arranged in tonifying Qi through-hole towards plenum chamber one end aperture
The tonifying Qi valve block at place, and apply the tonifying Qi elastic component for forcing the active force of its closing tonifying Qi through-hole, the benefit to tonifying Qi valve block
Air valve plate is annular.
4. self-energy arc-extinguishing chamber according to claim 3, it is characterised in that: each tonifying Qi through-hole is arc-shaped long hole.
5. self-energy arc-extinguishing chamber according to claim 3, it is characterised in that: on the piston bore and/or piston cylinder bottom
Equipped with for guiding tonifying Qi valve block along the tonifying Qi guide frame of piston structure moving direction guiding movement.
6. a kind of breaker, including self-energy arc-extinguishing chamber and corresponding operating mechanism, self-energy arc-extinguishing chamber includes shell, in shell
Equipped with piston bore and piston cylinder bottom, it is equipped with corresponding arc-chutes breaking-closing operating on piston bore or in piston bore and back and forth moves
Dynamic piston structure, piston structure and piston bore, piston cylinder bottom form plenum chamber, and piston structure is equipped with moving arcing contact, spray
Mouth and expanding chamber corresponding with moving arcing contact, spout, plenum chamber are equipped with the pressure release for opening decompression in arc-chutes separating brake
Valve arrangement, it is characterised in that: plenum chamber be equipped with air supply passage, air supply passage be equipped with for when arc-chutes close a floodgate open with
The tonifying Qi valve arrangement inflated into plenum chamber.
7. breaker according to claim 6, it is characterised in that: the air supply passage is arranged on the piston cylinder bottom,
The tonifying Qi valve arrangement be the corresponding air supply passage arrangement can one-way conduction tonifying Qi one-way valve structures.
8. breaker according to claim 7, it is characterised in that: the air supply passage include it is circumferentially spaced extremely
Few two tonifying Qi through-holes, the tonifying Qi one-way valve structures include be arranged in tonifying Qi through-hole towards the benefit at the aperture of plenum chamber one end
Air valve plate, and apply the tonifying Qi elastic component for forcing the active force of its closing tonifying Qi through-hole, the tonifying Qi valve block to tonifying Qi valve block
For annular.
9. breaker according to claim 8, it is characterised in that: each tonifying Qi through-hole is arc-shaped long hole.
10. breaker according to claim 8, it is characterised in that: the piston bore and/or piston cylinder bottom are equipped with and use
In guidance tonifying Qi valve block along the tonifying Qi guide frame of piston structure moving direction guiding movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100437.2A CN109767950B (en) | 2017-11-09 | 2017-11-09 | Self-energy arc extinguish chamber and circuit breaker using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100437.2A CN109767950B (en) | 2017-11-09 | 2017-11-09 | Self-energy arc extinguish chamber and circuit breaker using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109767950A true CN109767950A (en) | 2019-05-17 |
| CN109767950B CN109767950B (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711100437.2A Active CN109767950B (en) | 2017-11-09 | 2017-11-09 | Self-energy arc extinguish chamber and circuit breaker using same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185751A (en) * | 2020-08-24 | 2021-01-05 | 平高集团有限公司 | Circuit breaker and gas insulated switchgear using the same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2546996Y (en) * | 2002-05-15 | 2003-04-23 | 宁波天安（集团）股份有限公司 | Thermal expanding self-energy sulfur hexafluoride breake arc-chutes |
| CN201673856U (en) * | 2010-05-19 | 2010-12-15 | 中国西电电气股份有限公司 | Airflow control device of breaker |
| CN202695268U (en) * | 2012-05-28 | 2013-01-23 | 北京北开电气股份有限公司 | Novel pressure release valve plate stabilizing device for tank circuit breaker |
| CN203787345U (en) * | 2014-04-03 | 2014-08-20 | 国家电网公司 | Self energy arc-blasting circuit breaker |
| CN105977096A (en) * | 2016-06-24 | 2016-09-28 | 广州白云电器设备股份有限公司 | SF6 circuit breaker arc extinguish chamber |
| JP2016173900A (en) * | 2015-03-16 | 2016-09-29 | 富士電機株式会社 | Puffer type gas circuit breaker |
| CN106024506A (en) * | 2016-06-24 | 2016-10-12 | 广州白云电器设备股份有限公司 | SF6 breaker pneumatic explosion chamber |
-
2017
- 2017-11-09 CN CN201711100437.2A patent/CN109767950B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2546996Y (en) * | 2002-05-15 | 2003-04-23 | 宁波天安（集团）股份有限公司 | Thermal expanding self-energy sulfur hexafluoride breake arc-chutes |
| CN201673856U (en) * | 2010-05-19 | 2010-12-15 | 中国西电电气股份有限公司 | Airflow control device of breaker |
| CN202695268U (en) * | 2012-05-28 | 2013-01-23 | 北京北开电气股份有限公司 | Novel pressure release valve plate stabilizing device for tank circuit breaker |
| CN203787345U (en) * | 2014-04-03 | 2014-08-20 | 国家电网公司 | Self energy arc-blasting circuit breaker |
| JP2016173900A (en) * | 2015-03-16 | 2016-09-29 | 富士電機株式会社 | Puffer type gas circuit breaker |
| CN105977096A (en) * | 2016-06-24 | 2016-09-28 | 广州白云电器设备股份有限公司 | SF6 circuit breaker arc extinguish chamber |
| CN106024506A (en) * | 2016-06-24 | 2016-10-12 | 广州白云电器设备股份有限公司 | SF6 breaker pneumatic explosion chamber |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185751A (en) * | 2020-08-24 | 2021-01-05 | 平高集团有限公司 | Circuit breaker and gas insulated switchgear using the same |
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| Publication number | Publication date |
|---|---|
| CN109767950B (en) | 2020-11-06 |
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