CN105448592B - A kind of potting breaker and its moved end keep off device of air - Google Patents
A kind of potting breaker and its moved end keep off device of air Download PDFInfo
- Publication number
- CN105448592B CN105448592B CN201510912809.6A CN201510912809A CN105448592B CN 105448592 B CN105448592 B CN 105448592B CN 201510912809 A CN201510912809 A CN 201510912809A CN 105448592 B CN105448592 B CN 105448592B
- Authority
- CN
- China
- Prior art keywords
- moved end
- retaining hood
- touch base
- pull rod
- air
- 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.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/88—Switches 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
- H01H33/90—Switches 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
- H01H33/91—Switches 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
Abstract
The invention discloses a kind of potting breakers and its moved end to keep off device of air, it includes moved end insulation column that potting breaker moved end, which keeps off device of air, moved end touch base is installed on the insulation column of moved end, chamber is equipped with interior retaining hood to moved end touch base in the inner, moved end touch base is equipped with gas vent, moved end insulation column is equipped with outer retaining hood, and outer retaining hood is in the periphery of moved end touch base, and outer retaining hood, which has, is connected to the gas vent, opening backwards to the inner cavity of the moved end insulation column.The present invention increases outer retaining hood on the basis of existing existing interior retaining hood, after having an outer retaining hood, the thermal current part that breaker cut-offs generation is ejected by the gas vent of moved end touch base, the part thermal current can be first ejected on the internal chamber wall of outer retaining hood, without being directly injected on the inner wall of tank body.Flow-guiding channel is increased by the way that outer retaining hood is arranged, accelerates the cooling of thermal current, avoids the generation of failure of interruption.
Description
Technical field
The present invention relates to potting breaker technical fields, and in particular to a kind of potting breaker and its moved end keep off device of air.
Background technology
The one kind of potting breaker as high-voltage circuitbreaker, is widely used in the power system.Potting breaker is dynamic at present
Any gear gas equipment is not added at end mostly, and the thermal current generated in interrupting process is sprayed onto insulation by dynamic support bottom opening
On pull rod and moved end insulating supporting, make insulating part aging, reduces the insulation performance of breaker.
To solve the above problems, Chinese patent CN 201820687U（Authorized announcement date is 2011.05.04）It discloses certainly
Can the exhaust of formula breaker moved end keep off depressed structure, the depressed structure of the gear includes insulating supporting and the moved end touch base being connect with insulating supporting,
Insulated tension pole pierces into insulating supporting cavity and is connected with the reinforcing pull rod in the touch base cavity of moved end.It is set on the end face of moved end touch base inner cavity
One retaining hood, by the way that retaining hood is arranged so that a large amount of hot gas generated in breaker interrupting process is in the touch base of moved end
Can be stopped by retaining hood when being moved to insulating supporting direction along pull rod cannot enter insulating supporting inner cavity, along moved end touch base inner wall
Its inner cavity is returned to, a large amount of hot gas can not be entered insulating supporting inner cavity by the gap, can solve heat to a certain extent
Jet-impingement supports to insulated tension pole moved end and damages problem caused by it.But retaining hood inner wall has on the outside of rod head
There is a certain distance so that the gap that branch's gas still can be Jing Guo retaining hood enters insulating supporting cavity, damage insulation
Cavity and insulated tension pole make the reduction of its insulation performance.In addition, the bottom of general moved end touch base offers gas vent, can lead in this way
It causes a part of thermal current to be ejected into inner tank wall by gas vent, reduces its insulation performance, contain aluminium ion etc. in thermal current
Foreign matter can go into a discharge channel, influence the break performance of breaker.
Invention content
The object of the present invention is to provide a kind of potting breaker moved ends to keep off device of air, is kept off with solving existing breaker moved end
Device of air gear gas effect is undesirable, understands the skill that some hot gas is ejected by the gas vent of moved end touch base in inner tank wall
Art problem.The present invention also provides a kind of potting breakers keeping off device of air using the potting breaker moved end simultaneously.
In order to achieve the goal above, the technical solution of potting breaker moved end gear device of air is as follows in the present invention：Pot type is disconnected
Road device moved end keeps off device of air, including moved end insulation column, is equipped with moved end touch base on the insulation column of moved end, moved end touch base is in the inner
Chamber is equipped with interior retaining hood, and the moved end touch base is equipped with gas vent, and the moved end insulation column is equipped with outer retaining hood, described outer
Retaining hood is in the periphery of moved end touch base, and the outer retaining hood has the connection gas vent, opening, and the moved end is exhausted backwards
The inner cavity of edge pillar.
The interior retaining hood includes the interconnecting piece and cover body portion for being connect with moved end touch base, and interior retaining hood is equipped with for dynamic
Contact pull rod axially through by mouth, the cover body portion is tapered, and the outer diameter in the cover body portion is by equipped with one end by mouth
It is become larger to one end of interconnecting piece.
Guide ring in the interior retaining hood in described by being equipped at mouth for coordinating with moving contact pull rod guiding movement.
The outer retaining hood includes the shell of tubular and the connection structure for being connect with moved end insulation column, the connection
Structure is formed by the in-flanges of shell, and the moved end touch base is equipped with wire outlet seat, the shell be equipped with for avoid it is described go out
The relief hole of line seat.
The potting breaker moved end gear device of air further includes the moving contact pull rod for having inner cavity, and moving contact pull rod is equipped with
It is connected to the venthole of the inner cavity of the moved end touch base, the deflection cone guided air-flow is equipped in the moving contact pull rod, it is described to lead
The side of the moved end insulation column is directed away from the top of flow cone.
Potting breaker of the present invention adopts the following technical scheme that potting breaker, including tank body, potting breaker moved end are kept off
Device of air, it includes moved end insulation column that potting breaker moved end, which keeps off device of air, and moved end touch base is equipped on the insulation column of moved end, is moved
Holding touch base, chamber is equipped with interior retaining hood in the inner, and the moved end touch base is equipped with gas vent, and the moved end insulation column is equipped with outer
Retaining hood, the outer retaining hood are in the periphery of moved end touch base, and the outer retaining hood, which has, is connected to the gas vent, the opening back of the body
To the inner cavity of the moved end insulation column.
The interior retaining hood includes the interconnecting piece and cover body portion for being connect with moved end touch base, and interior retaining hood is equipped with for dynamic
Contact pull rod axially through by mouth, the cover body portion is tapered, and the outer diameter in the cover body portion is by equipped with one end by mouth
It is become larger to one end of interconnecting piece.
Guide ring in the interior retaining hood in described by being equipped at mouth for coordinating with moving contact pull rod guiding movement.
The outer retaining hood includes the shell of tubular and the connection structure for being connect with moved end insulation column, the connection
Structure is formed by the in-flanges of shell, and the moved end touch base is equipped with wire outlet seat, the shell be equipped with for avoid it is described go out
The relief hole of line seat.
The potting breaker moved end gear device of air further includes the moving contact pull rod for having inner cavity, and moving contact pull rod is equipped with
It is connected to the venthole of the inner cavity of the moved end touch base, the deflection cone guided air-flow is equipped in the moving contact pull rod, it is described to lead
The side of the moved end insulation column is directed away from the top of flow cone.
Beneficial effects of the present invention：Potting breaker moved end of the present invention keeps off device of air, on the basis of existing interior retaining hood
On increase outer retaining hood, after having outer retaining hood, the thermal current part that breaker cut-offs generation passes through moved end touch base
Gas vent ejects, which can first be ejected on the internal chamber wall of outer retaining hood, is flowed to along outer retaining hood inner wall
Breaker static side, without being directly injected on the inner wall of tank body.Flow-guiding channel is increased by the way that outer retaining hood is arranged, accelerates hot gas
The cooling of stream avoids the generation of failure of interruption.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Specific implementation mode
The embodiment of potting breaker of the present invention, as shown in Figure 1, potting breaker includes tank body 4, potting breaker moved end
Keep off device of air.Potting breaker moved end keeps off device of air, including moved end insulation column 1, and moved end is equipped on moved end insulation column 1 and is touched
Seat 2, the inner cavity of moved end touch base 2 is connected to the cavity of moved end insulation column 1.Insulated tension pole 10 passes through the chamber of moved end insulation column 1
Body is simultaneously connected with the moving contact pull rod 8 in 2 cavity of moved end touch base.Chamber covers moved end touch base 2 equipped with interior gear gas 6 in the inner, interior gear gas
Cover 6 be equipped with for moving contact pull rod 8 axially through be equipped at by mouth and be used for and moving contact by mouth, in interior retaining hood 6
The guide ring 7 of 8 guiding movement of pull rod cooperation.Guide ring 7 is embedded in interior retaining hood 6, and moving contact pull rod 8 is from the guide ring 7
It passes through, the two is in close contact.Guide ring 7 can not only prevent air-flow by but also can play the guiding role.It is led as to arc-chutes
To, ensure moving contact to neutrality.Interior retaining hood 6 includes the interconnecting piece 62 and cover body portion 61 for being connect with moved end touch base, cover
Body portion 61 is tapered, and the outer diameter in cover body portion 61 equipped with one end by mouth to one end of interconnecting piece from becoming larger, if definition
The axis direction of insulated tension pole is left and right directions, i.e. cover body portion becomes larger from right to left.Cone structure has a guiding to air-flow
Effect.The interconnecting piece of interior retaining hood is formed by flanging, which is provided with bolt hole.
The bottom of moved end touch base 2（Left side）Equipped with gas vent 22, outer retaining hood 5, outer gear are additionally provided on moved end insulation column 1
Gas hood 5 is in the periphery of moved end touch base 2, and outer retaining hood 5 has connection gas vent 22, opening backwards to moved end insulation column 1
Inner cavity, opening namely towards right side.Outer retaining hood 5 includes the shell 51 of tubular and the connection for being connect with moved end insulation column
Structure 52, connection structure 52 are formed by the in-flanges of shell, and moved end touch base 2 is equipped with wire outlet seat 21, and shell is equipped with for keeping away
Open the relief hole of the wire outlet seat 21.Interior retaining hood 6, moved end touch base 2, outer retaining hood 5 are bolted in moved end insulation branch
On column 1, the connection structure of outer retaining hood 5 is between moved end insulation column and moved end touch base.
There is moving contact pull rod 8 inner cavity for airflow, moving contact pull rod 8 to be equipped with the inner cavity of connection moved end touch base
Venthole 81, moving contact pull rod 8 is interior to be equipped with the deflection cone 9 guided air-flow, and the top of deflection cone 9 is directed away from moved end insulation branch
The side of column 1.Deflection cone 9 is located at the left side of venthole.
In breaker interrupting process, the thermal current generated in arc-chutes is reached there are two types of mode inside moved end, one heat
Air-flow is spouting along 8 inner cavity of moving contact pull rod, and under the action of deflection cone 9 inside arrival, another personal share thermal current passes through
Relief valve directly reaches inside moved end touch base 2.Thermal current is sprayed onto bottom along the inner cavity of moved end touch base 2, retaining hood 6 in bottom
Under the action of, the gas vent ejection of thermal current driven end touch base is directly injected in outer retaining hood 5, exhausted without being ejected into moved end
In 1 inner cavity of edge pillar.Under the action of outer retaining hood 5, a part of thermal current has sprayed to open circuit along 5 opening direction of outer retaining hood
Device static side direction, a part of thermal current are ejected into after spraying outer retaining hood on the inner wall of tank body, and thermal current at this time have passed through more
Secondary refraction has been cooled sufficiently, and will not be generated to inner tank wall and be burnt and form discharge channel, prevent failure of interruption from happening.
The gear device of air of retaining hood and outer retaining hood composition both can effectively prevent thermal current and be directly blown onto in the present invention
It on the inner wall of tank body, prevents thermal current from burning to tank interior, and can prevent thermal current from blowing to moved end insulation column and insulation
On pull rod, moved end insulation column and insulated tension pole is protected not to lose insulation effect because thermal current burns charing.
In other embodiments, the cover body portion of interior retaining hood can be configured as cylindrical shape.
The embodiment of gear device of air in potting breaker moved end of the present invention, which keeps off device of air and above-mentioned tank
The structure of potting breaker moved end gear device of air in formula breaker embodiment is identical, and specific implementation mode is no longer described in detail.
Claims (8)
1. potting breaker moved end keeps off device of air, including moved end insulation column, moved end touch base is installed on the insulation column of moved end, is moved
Holding touch base, chamber is equipped with interior retaining hood in the inner, and the moved end touch base is equipped with gas vent, it is characterised in that：The moved end insulation branch
Column is equipped with outer retaining hood, and the outer retaining hood is in the periphery of moved end touch base, and the outer retaining hood, which has, is connected to the exhaust
Backwards to the inner cavity of the moved end insulation column, the potting breaker moved end gear device of air further includes with inner cavity for hole, opening
Moving contact pull rod, moving contact pull rod is equipped with the venthole for the inner cavity for being connected to the moved end touch base, in the moving contact pull rod
Equipped with the deflection cone guided air-flow, the side of the moved end insulation column is directed away from the top of the deflection cone, in open circuit
In device interrupting process, the blast of hot air stream in the thermal current that arc-chutes generate is spouting along moving contact pull rod inner cavity, in institute
It states and reaches moved end touch base inner cavity by the venthole under the action of deflection cone, thermal current is sprayed onto bottom along the inner cavity of moved end touch base
Portion, under the action of interior retaining hood, the gas vent of thermal current driven end touch base is ejected into outer retaining hood.
2. potting breaker moved end according to claim 1 keeps off device of air, it is characterised in that：The interior retaining hood includes using
In the interconnecting piece and cover body portion that are connect with moved end touch base, interior retaining hood be equipped with for moving contact pull rod axially through by mouth,
The cover body portion is tapered, and the outer diameter in the cover body portion equipped with one end by mouth to one end of interconnecting piece from becoming larger.
3. potting breaker moved end according to claim 2 keeps off device of air, it is characterised in that：In institute in the interior retaining hood
It states by being equipped with the guide ring for coordinating with moving contact pull rod guiding movement at mouth.
4. potting breaker moved end according to claim 1 keeps off device of air, it is characterised in that：The outer retaining hood includes cylinder
The shell of shape and connection structure for being connect with moved end insulation column, the connection structure are formed by the in-flanges of shell, institute
It states moved end touch base and is equipped with wire outlet seat, the shell is equipped with the relief hole for avoiding the wire outlet seat.
5. potting breaker, including tank body, potting breaker moved end keep off device of air, it includes dynamic that potting breaker moved end, which keeps off device of air,
Insulation column is held, moved end touch base is installed, chamber is equipped with interior retaining hood, the moved end to moved end touch base in the inner on the insulation column of moved end
Touch base is equipped with gas vent, it is characterised in that：The moved end insulation column is equipped with outer retaining hood, and the outer retaining hood is in dynamic
Hold the periphery of touch base, the outer retaining hood, which has, is connected to the gas vent, opening backwards to the inner cavity of the moved end insulation column,
The potting breaker moved end gear device of air further includes the moving contact pull rod for having inner cavity, and moving contact pull rod is equipped with described in connection
The venthole of the inner cavity of moved end touch base, the moving contact pull rod is interior to be equipped with the deflection cone guided air-flow, the top of the deflection cone
Portion is directed away from the side of the moved end insulation column, in breaker interrupting process, one in the thermal current that arc-chutes generate
Stock thermal current is spouting along moving contact pull rod inner cavity, and moved end is reached by the venthole under the action of deflection cone
Touch base inner cavity, thermal current are sprayed onto bottom along the inner cavity of moved end touch base, under the action of interior retaining hood, thermal current driven end touch base
Gas vent be ejected into outer retaining hood.
6. potting breaker according to claim 5, it is characterised in that：The interior retaining hood include for moved end touch base
The interconnecting piece of connection and cover body portion, interior retaining hood be equipped with for moving contact pull rod axially through by mouth, the cover body portion is in
Taper, the outer diameter in the cover body portion equipped with one end by mouth to one end of interconnecting piece from becoming larger.
7. potting breaker according to claim 6, it is characterised in that：In described by being set at mouth in the interior retaining hood
It is useful for the guide ring coordinated with moving contact pull rod guiding movement.
8. potting breaker according to claim 5, it is characterised in that：The outer retaining hood includes the shell and use of tubular
In the connection structure being connect with moved end insulation column, the connection structure is formed by the in-flanges of shell, on the moved end touch base
Equipped with wire outlet seat, the shell is equipped with the relief hole for avoiding the wire outlet seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912809.6A CN105448592B (en) | 2015-12-11 | 2015-12-11 | A kind of potting breaker and its moved end keep off device of air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912809.6A CN105448592B (en) | 2015-12-11 | 2015-12-11 | A kind of potting breaker and its moved end keep off device of air |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105448592A CN105448592A (en) | 2016-03-30 |
| CN105448592B true CN105448592B (en) | 2018-09-14 |
Family
ID=55558674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510912809.6A Expired - Fee Related CN105448592B (en) | 2015-12-11 | 2015-12-11 | A kind of potting breaker and its moved end keep off device of air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105448592B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016214196B4 (en) | 2016-08-02 | 2019-11-21 | Siemens Aktiengesellschaft | Interrupter unit for a circuit breaker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002334637A (en) * | 2001-05-09 | 2002-11-22 | Mitsubishi Electric Corp | Gas-insulated disconnecting switch |
| CN201820687U (en) * | 2010-06-17 | 2011-05-04 | 中国西电电气股份有限公司 | Movable-end air exhausting and baffling structure of self-extinguishing type circuit breaker |
| CN201859806U (en) * | 2010-10-08 | 2011-06-08 | 山东泰开高压开关有限公司 | Shielding device for static contact seat of tank breaker |
| CN205335166U (en) * | 2015-12-11 | 2016-06-22 | 平高集团有限公司 | Tank type breaker and move end and keep off gas device thereof |
-
2015
- 2015-12-11 CN CN201510912809.6A patent/CN105448592B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105448592A (en) | 2016-03-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180914 Termination date: 20211211 |