CN207883600U - The airtight insulation system of vacuum interrupter - Google Patents
The airtight insulation system of vacuum interrupter Download PDFInfo
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- CN207883600U CN207883600U CN201721362133.9U CN201721362133U CN207883600U CN 207883600 U CN207883600 U CN 207883600U CN 201721362133 U CN201721362133 U CN 201721362133U CN 207883600 U CN207883600 U CN 207883600U
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- end cap
- reinforcing layer
- vacuum interrupter
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Abstract
The utility model is related to power switch technical fields, propose a kind of airtight insulation system of vacuum interrupter, the airtight insulation system of the vacuum interrupter includes airtight insulation crust, moved end end cap and static side end cap；Moved end end cap and static side end cap are respectively arranged at the both ends of airtight insulation crust, become entirety, and inside forms closed vacuum chamber；The moved end end cap is bilayer or multilayer, and at least one layer of first reinforcing layer is set as on the inside or outside of the moved end end cap；The static side end cap is bilayer or multilayer, and at least one layer of second reinforcing layer is provided on the inside or outside of the static side end cap.Vacuum interrupter periphery encapsulating molding insulating layer can be effectively avoided using the vacuum interrupter, when being molded by extraneous pressure, moved end end cap and the deformation of static side end cap cause gas leakage, make electric property and mechanical failure.
Description
Technical field
The utility model is related to electrical equipment technical field more particularly to a kind of airtight insulation systems of vacuum interrupter.
Background technology
Vacuum interrupter also known as vacuum switch tube are the core components of mesohigh power switch, and main function is to pass through
The excellent insulating properties of vacuum makes after mesohigh circuitry cuts power supply that rapid blow-out and electric current can be inhibited in pipe, avoids accident and accident
Generation, therefore, the vacuum degree and leakproofness of vacuum interrupter are extremely important for its safe handling.Vacuum interrupter is main
Applied to the transmission ＆ distribution electric control system of electric power, it is also applied to metallurgy, mine, oil, chemical industry, railway, broadcast, communication, industry height
The distribution systems such as frequency heating；With energy saving, section material, fire prevention, explosion-proof, small, long lifespan, maintenance cost it is low, it is reliable for operation and
The features such as pollution-free.The external insulation structure of vacuum interrupter usually uses other insulating materials such as thermosetting resin or rubber to form set
The insulation fabric part of tubulose.
Currently, being proposed in the whole world under environmentally friendly, energy saving, green and recyclable proposal, vacuum interrupter external insulation structure part
Forming mode be changed, i.e., vacuum extinction outdoor face encapsulating environment-protecting thermoplastic plastics formed insulation fabric part.
Efficiency can be improved using environment-protecting thermoplastic plastics, reduce energy consumption, forming process is quick, still, the pressure of injection moulding process
Power reaches 50-150Mpa.(moved end and static side are known as both ends) both ends end cap and ceramet of vacuum interrupter are resulted in this way
The weld for changing layer is subjected to displacement and vacuum interrupter is made micro- gas leakage risk occur, and electric property is caused to fail.
Since it is considered that the phenomenon that above-mentioned both ends end cap is easily deformed under high pressure effect, so, it also uses and is first molded
Then insulation fabric part is sleeved on outside vacuum extinction room by insulation fabric part again, to reach insulation fabric part purpose.But it will
Insulation fabric part is sleeved on vacuum interrupter, and air gap or vacuum gap are had between different medium, can cause electric property
Failure；Furthermore the globality mechanical performance of product cannot meet, because it is the insulation system not being integrally formed independently of each other
Part.
Above- mentioned information disclosed in the background technology part is only used for reinforcing the understanding to the background of the utility model, therefore
It may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Invention content
The purpose of the utility model is to overcome at least one deficiencies of the above-mentioned prior art, and height can be born by providing one kind
The airtight insulation system of the vacuum interrupter of pressure.
One side according to the present utility model provides a kind of airtight insulation system of vacuum interrupter, the vacuum extinction
The airtight insulation system of room includes airtight insulation crust, moved end end cap and static side end cap；The moved end end cap is bilayer or multilayer,
It is at least one layer of first reinforcing layer on the inside or outside of the moved end end cap；The static side end cap is bilayer or multilayer, the static side
It is at least one layer of second reinforcing layer on the inside or outside of end cap.
A kind of exemplary embodiment according to the present utility model, first reinforcing layer are set as and the moved end end cap
The compatible lid of shape or cup-shaped or similar cup-shaped.
A kind of exemplary embodiment according to the present utility model, second reinforcing layer are set as and the static side end cap
The compatible lid of shape or cup-shaped or similar cup-shaped.
A kind of exemplary embodiment according to the present utility model is provided with multiple first ribs on first reinforcing layer,
Multiple second ribs are provided on second reinforcing layer.
It is curved to be provided with multiple first bar shapeds on first reinforcing layer for a kind of exemplary embodiment according to the present utility model
The extending direction of folding, the first bar shaped bending is consistent with first reinforcing layer and the connection seam of airtight insulation crust；Institute
It states and is provided with multiple second bar shaped bendings on the second reinforcing layer, the extending direction of the second bar shaped bending is reinforced with described second
Layer is consistent with the connection seam of airtight insulation crust.
A kind of exemplary embodiment according to the present utility model, the moved end end cap are additionally provided with first buffer layer outside, institute
First buffer layer is stated to be set as and the compatible lid of shape or cup-shaped of the moved end end cap or similar cup-shaped.
In a kind of exemplary embodiment according to the present utility model, it is additionally provided with second buffer layer outside the static side end cap,
The second buffer layer is set as and the compatible lid of shape or cup-shaped of the static side end cap or similar cup-shaped.
A kind of exemplary embodiment according to the present utility model, the first buffer layer are set as being coated on the moved end end
The ring-type of lid outer ring surface.
Outside a kind of exemplary embodiment according to the present utility model, the outer diameter of the first buffer layer and the airtight insulation
The outer diameter of shell is identical；The outer diameter of the second buffer layer is identical as the outer diameter of airtight insulation crust.
As shown from the above technical solution, the utility model has at least one of following advantages and good effect：
The first reinforcing layer is arranged in the vacuum interrupter of the utility model in or beyond the end cap of moved end, in static side end cap or
The second reinforcing layer of outer setting；First buffer layer made of elastic material is set outside the end cap of moved end, bullet is set outside static side end cap
Second buffer layer made of property material.On the one hand, by the first reinforcing layer and the second reinforcing layer can increase moved end end cap with
And the intensity of static side end cap, it disclosure satisfy that the needs of injection pressure；On the other hand, first buffer layer made of elastic material and
Second buffer layer can not only further increase the intensity of moved end end cap and static side end cap, and can make vacuum interrupter at
For integral type, elastic material can also have cushioning effect to the extruding force of injection moulding process；In another aspect, straight outside vacuum extinction room
When connecing injection molded insulation fabric part, since the intensity of moved end end cap and static side end cap increases, moved end end can be effectively avoided
Lid and static side end cap vacuum interrupter periphery encapsulating molding insulating layer, be molded by extraneous pressure when, moved end end cap and
The problem of deformation of static side end cap causes gas leakage, makes electric property and mechanical failure；Another aspect avoids exhausted using being shaped
Edge structural member, then insulation fabric part is sleeved on the production method on vacuum interrupter, will not there are air gap or vacuum gap, no
Electric property can be caused to fail.
Description of the drawings
Its example embodiment is described in detail by referring to accompanying drawing, above and other feature and advantage of the utility model will
It becomes readily apparent from.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model vacuum interrupter；
Fig. 2 is the partial enlargement structural representation of the I meanings part in Fig. 1；
Fig. 3 is the structural schematic diagram of another embodiment of the utility model vacuum interrupter；
Fig. 4 is the partial enlargement structural representation of the H meanings part in Fig. 3；
Fig. 5 is the structural schematic diagram of the utility model vacuum interrupter a further embodiment；
Fig. 6 is the structural schematic diagram of the another embodiment of the utility model vacuum interrupter.
The reference numerals are as follows for main element in figure：
1, airtight insulation crust；2, moved end end cap；3, static side end cap；4, the first reinforcing layer；5, the second reinforcing layer；6, first
Buffer layer；7, second buffer layer；8, the first bar shaped is bent；9, guide sleeve；10, moving conductive rod；11, static conductive rod；12, Article 2
Shape is bent.
Specific implementation mode
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that this practicality is new
Type will be full and complete, and the design of example embodiment is comprehensively communicated to those skilled in the art.It is identical in figure
Reference numeral indicates same or similar structure, thus will omit their detailed description.
Vacuum interrupter is mainly made of the part such as airtight insulation system, conducting system, shielding harness, contact, bellows.
Airtight insulation system airtight insulation crust 1 made of glass or ceramics, moved end end cap 2, static side end cap 3, corrugated stainless steel tubing
Composition.In order to ensure there is good air-tightness between glass, ceramics and metal, there is stringent operating procedure when in addition to sealing-in
Outside, the small as possible and internal discharge quantity of the gas permeability of material itself is also required to be restricted to minimum.The effect of corrugated stainless steel tubing is not
It is only capable of keeping apart the vacuum state of vacuum extinction chamber interior and external atmospheric condition, and moving contact can be made to be led together with dynamic
Electric pole 10 moves within the limits prescribed, to complete the closure and breaking operation of vacuum switch.Conducting system is mainly by quiet conduction
Bar, static contact, moving conductive rod, moving contact are constituted.Shielding harness is mainly made of shielding cylinder, shielding case and other parts.
In the utility model embodiment, the end cap overall structure of vacuum interrupter is mainly subjected to reinforcement design, i.e. end cap
Selection is set as the ruggedized construction of bilayer or multilayer, that is to say, that at least one layer of reinforcing layer of setting on the inside or outside of end cap avoids
End cap deforms in injection molding process, can guarantee electric property, the reliability of mechanical performance of molding pole.
And it is the triangle of groove or tongue or the structure design of polygon that reinforcing layer structure, which is also an option that, is increased with this
Strong support.The external face of vacuum interrupter also may be selected to increase rubber type of material (or other elastomers) as buffering knot
Structure makes it in injection molding process, is not caused vacuum interrupter end cap to deform by the extruding of plastic injection power.
It is described below referring in particular to an attached drawing example specific to the utility model, the vacuum extinction of the utility model embodiment
Room may include airtight insulation crust 1, moved end end cap 2, static side end cap 3, the first reinforcing layer 4, the second reinforcing layer 5, first buffering
Layer 6 and second buffer layer 7 etc.；The moved end end cap 2 and static side end cap 3 are respectively arranged at the airtight insulation crust 1
Both ends, become entirety, inside forms closed vacuum chamber.First reinforcing layer 4 is provided at least one layer, the second reinforcing layer
5 are provided at least one layer.
Referring to Fig.1 and the structural schematic diagram of one embodiment of the utility model vacuum interrupter shown in Fig. 2；Originally showing
In example embodiment, it is provided with one layer of first reinforcing layer 4 in moved end end cap 2, one layer second is provided in static side end cap 3 and is added
Gu layer 5, first reinforcing layer 4 could be provided as and the compatible lid of shape or cup-shaped of the moved end end cap 2 or similar
Cup-shaped.First reinforcing layer 4 can have side wall and bottom plate, can be connected by chamfering rounding off between side wall and bottom plate, side
Wall could be provided as cylindrical shape, and one end of side wall is connect with airtight insulation crust 1, and the other end is connect with bottom plate.Bottom plate can be set
It is set to circular ring shape, i.e., is provided with the first via on bottom plate, the first via can be used for accommodating guide sleeve 9, be supplied in guide sleeve 9 dynamic
Conducting rod 10 passes through.Second reinforcing layer 5 can also have side wall and top plate, can pass through the round and smooth mistake of chamfering between side wall and top plate
Connection is crossed, side wall may be set to be cylindrical shape, and one end of side wall is connect with airtight insulation crust 1, and the other end is connect with bottom plate.
Top plate may be set to be circular ring shape, i.e., the second via is provided on top plate, the second via is for accommodating static conductive rod 11 etc.
Deng.
When carrying out injection molding to vacuum interrupter and forming insulation fabric part, pressure can be to the moved end end cap 2 of outer layer and quiet
It holds end cap 3 to squeeze, the first reinforcing layer 4 of internal layer and the second reinforcing layer 5 will not be squeezed, so as to avoid first
The deformation of reinforcing layer 4 and the second reinforcing layer 5, the first reinforcing layer 4 and the second reinforcing layer 5 remain able to make vacuum interrupter shape
The vacuum space sealed at one, can effectively avoid gas leakage caused by vacuum interrupter breakage, to avoid electric property from losing
Effect.In the other embodiment of the utility model, the first reinforcing layer 4 and the second reinforcing layer 5 can be arranged as required to more
Layer, does not do particular determination herein；And first reinforcing layer 4 and the second reinforcing layer 5 can also be and be separately positioned on moved end end cap
The reinforcing rib of 3 madial wall of 2 madial walls and static side end cap, by the supporting role of reinforcing rib can anti-stop end end cap 2 and
The deformation of static side end cap 3.
With reference to Fig. 3 and the structural schematic diagram of another embodiment of the utility model vacuum interrupter shown in Fig. 4；
Multiple first bar shaped bendings 8 can be provided on one reinforcing layer 4, the extending direction of the first bar shaped bending 8 can be with described first
Reinforcing layer 4 and first reinforcing layer are consistent with the connection seam of airtight insulation crust；It can also be arranged on the second reinforcing layer 5
There are multiple second bar shaped bendings 12, the extending direction of the second bar shaped bending 12 can be with second reinforcing layer 5 and described first
Reinforcing layer is consistent with the connection seam of airtight insulation crust.In this example embodiment, the first bar shaped bending 8 could be provided as
Ring-type, can be provided with multiple cricoid bendings on the side wall of the first reinforcing layer 4, and the central axis of the cricoid bending can be with
It with the central axis coaxial line of the first reinforcing layer 4, can be setting up and down between multiple cricoid bendings and be mutually parallel, and the ring
The bending of shape is prominent to 4 inside of the first reinforcing layer；Multiple cricoid foldings can also be provided on the bottom plate of the first reinforcing layer 4
It is curved, the central axis of the cricoid bending can with the central axis coaxial line of bottom plate, and the cricoid bending also to first plus
Gu 4 inside of layer is prominent；The cross sectional shape of above-mentioned ring-type bending can be semicircular arc.Certainly, on the side wall of the second reinforcing layer 5
Multiple cricoid bendings can be provided with, the central axis of the cricoid bending can be same with the central axis of the second reinforcing layer 5
Axis, can also be setting up and down between multiple cricoid bendings and be mutually parallel, and the cricoid bending is into the second reinforcing layer 5
Side protrudes；Multiple cricoid bendings, the central shaft of the cricoid bending can also be provided on the top plate of the second reinforcing layer 5
Line can be with the central axis coaxial line of top plate, and the cricoid bending can also be prominent to the inside of the second reinforcing layer 5；Above-mentioned ring
The cross sectional shape of shape bending can be semicircular arc.In injection moulding process, moved end end cap 2 and static side end cap 3 are sent out due to squeezing
Change shape, and the deformation of moved end end cap 2 and static side end cap 3 involves the first reinforcing layer 4 and the second reinforcing layer 5, i.e., to
When one reinforcing layer 4 and the second reinforcing layer 5 squeeze, which, which can resist the extruding force, prevents the first reinforcing layer 4
And second the deformation of reinforcing layer 5 so that vacuum interrupter is remained intact, gas leakage caused by vacuum interrupter breakage is avoided, to keep away
Exempt from electric property failure.
In addition, it will be appreciated by persons skilled in the art that the first bar shaped bending 8 and the second bar shaped bending 12 can also
It is set as arc-shaped, can be inclined on the side wall of the first reinforcing layer 4 and the second reinforcing layer 5, certainly, multiple first
It can not also be mutually parallel between shape bending 8 and multiple second bar shapeds bending 12.The cross sectional shape of the bar shaped bending may be used also
To be triangle, trapezoidal etc. diversified forms.
In other example embodiments of the utility model, multiple first can also be provided on the first reinforcing layer 4
Rib is provided with multiple second ribs on the second reinforcing layer 5.First rib and the second rib could be provided as ring-type, can
With the madial wall for being correspondingly arranged in the first reinforcing layer 4 and the second reinforcing layer 5 that is upper and lower and being mutually parallel.Certainly, the first rib
And second rib may be set to be vertical bar shape, setting that can be parallel or not parallel in the first reinforcing layer 4 and second plus
Gu the madial wall of layer 5.
In other example embodiments of the utility model, the reinforcing layer and end cap housing material of inner or outer side are optional
It is selected as identical metal material or the higher material of intensity.In other example embodiments of the utility model, reinforcing layer
There can be gap between end cap housing, it is identical or more which can be controlled in the deformation size allowed substantially with end cap housing
It is small.In an embodiment for forming sealing between reinforcing layer and end cap housing, vacuum state may be selected to be in the gap.
The structural schematic diagram of the utility model vacuum interrupter a further embodiment referring to Figure 5；The end cap 2 in moved end
It can be coated with first buffer layer 6 outside, the material of first buffer layer 6 is elastic material；Can be coated with outside static side end cap 3
The material of two buffer layers 7, second buffer layer 7 is elastic material.In this example embodiment, first buffer layer 6 and second
Buffer layer 7 may be used rubber processing and form；First buffer layer 6 could be provided as being adapted with the shape of the moved end end cap 2
Lid or cup-shaped or similar cup-shaped, the middle part of the first buffer layer 6 is around being tightly connected static conductive rod 11.Specifically,
First buffer layer 6 can have side wall and bottom wall, can be connected by chamfering rounding off between side wall and bottom wall, and side wall can be with
It is set as could be provided as annular shape with the matched cylindrical shape of the outer ring surface of moved end end cap 2, bottom wall, bottom wall is led around sealed connection
To set 9, pass through for moving conductive rod 10 in guide sleeve 9.Second buffer layer 7 could be provided as the shape phase with the static side end cap 3
The lid or cup-shaped of adaptation or similar cup-shaped, the middle part of the second buffer layer 7 is around sealed connection static conductive rod 11.It is specific and
Speech, second buffer layer 7 can have side wall and roof, can be connected by chamfering rounding off between side wall and roof, side wall
It could be provided as could be provided as annular shape with the matched cylindrical shape of the outer ring surface of static side end cap 3, roof, be quiet in the middle part of the annulus
Conducting rod 11.First buffer layer 6 is set and second buffer layer 7 can further increase static side end cap 3 and moved end end cap 2
Intensity, and vacuum interrupter can be made to be integrally formed formula, elastic material can also have the extruding force of injection moulding process buffering to make
With.Certainly, it will be appreciated by persons skilled in the art that first buffer layer 6 and second buffer layer 7 can be elastomer thermosettings
Property material, thermoplastic material and nonmetallic material, such as rubber, plastics etc., can also using silica gel, nylon etc. process and
At as long as the hardness of elastic material is controlled in 30 to 90 shore hardnesses.
Further, with reference to the structural schematic diagram of the another embodiment of the utility model vacuum interrupter shown in fig. 6；
In this example embodiment, first buffer layer 6 could be provided as the ring-type for being coated on 2 outer ring surface of moved end end cap.I.e. first
Buffer layer 6 can only include side wall, can be not provided with bottom wall.Due to when injection molding forms insulation fabric part, the end of moved end end cap 2
Face can be with other processing feature contacts, and suffered extruding force is smaller herein.
Further, in this example embodiment, the outer diameter of the first buffer layer 6 can with outside the airtight insulation
The outer diameter of shell 1 is identical；The outer diameter of the second buffer layer 7 can be identical as the outer diameter of the airtight insulation crust 1.I.e. first is slow
The outer diameter for rushing the side wall of layer 6 is identical as the outer diameter of airtight insulation crust 1, the outer diameter of the side wall of second buffer layer 7 and airtight insulation
The outer diameter of shell 1 is also identical.Being arranged such makes the outer diameter all same of vacuum interrupter upper, middle and lower, is conducive to plastics in vacuum extinction
The consistency of thickness of outdoor table is mutated without local thickness, makes injected plastics material mobilization force uniform force, avoid to vacuum interrupter office
Portion's stress.
The vacuum interrupter of the utility model and the production method of vacuum interrupter, the setting first in end cap 2 in moved end
The second reinforcing layer 5 is arranged in reinforcing layer 4 in static side end cap 3；First buffering made of elastic material is set outside moved end end cap 2
Second buffer layer 7 made of elastic material is arranged in layer 6 outside static side end cap 3.On the one hand, pass through the first reinforcing layer 4 and second
Reinforcing layer 5 can increase the intensity of moved end end cap 2 and static side end cap 3, disclosure satisfy that the needs of injection pressure；On the other hand,
First buffer layer 6 and second buffer layer 7 made of elastic material can not only further increase moved end end cap 2 and static side end
The intensity of lid 3, and vacuum interrupter can be made to be integrally formed formula, elastic material can also have the extruding force of injection moulding process slow
Punching acts on；In another aspect, outside vacuum extinction room when direct injection molded insulation fabric part, due to moved end end cap 2 and static side
The intensity of end cap 3 increases, gas leakage caused by capable of effectively avoiding moved end end cap 2 and static side end cap 3 from deforming, electrical to avoid
Performance failure；Another aspect avoids using being shaped insulation fabric part, then insulation fabric part is sleeved on to the life on vacuum interrupter
Production method will not have air gap or vacuum gap, electric property will not be caused to fail.
Further, the utility model additionally provides a kind of production method of vacuum interrupter, which can wrap
It includes：At least one layer of first reinforcing layer 4 can be configured in or beyond moved end end cap 2；It can be configured at least in or beyond static side end cap 3
One layer of second reinforcing layer 5；First buffer layer 6 can be formed in 2 outer cladding of moved end end cap；It can be in the static side end cap 3
Outer cladding forms second buffer layer 7.
In this example embodiment, the first buffer layer 6 can be shaped in outside the moved end end cap 2, described
Second buffer layer 7 can be shaped in outside the static side end cap 3.Certainly, it will be appreciated by persons skilled in the art that first
Correspondence is installed to outside moved end end cap 2 and static side end cap 3 after buffer layer 6 and second buffer layer 7 can also be shaped individually.
Above-mentioned described feature, structure or characteristic can be incorporated in one or more embodiment party in any suitable manner
In formula, if possible, it is characterized in discussed in each embodiment interchangeable.In the above description, it provides many specific thin
Section is to provide fully understanding to the embodiment of the utility model.It will be appreciated, however, by one skilled in the art that can be real
The technical solution of the utility model is trampled without one or more in the specific detail, or others side may be used
Method, component, material etc..In other cases, known features, material or operation are not shown in detail or describe to avoid fuzzy sheet
The various aspects of utility model.
Although the term of relativity, such as "upper" "lower" is used to describe a component of icon for another in this specification
The relativeness of one component, but these terms are in this manual merely for convenient, for example, with reference to the accompanying drawings described in show
The direction of example.It is appreciated that, if making it turn upside down the device overturning of icon, the component described in "upper" will
As in the component of "lower".Term of other relativities, such as "top" "bottom" " left side " " right side " etc. also make have similar meaning.When certain
Structure is at other structures "upper", it is possible to refer to that certain structural integrity is formed in other structures, or is referred to certain structure " direct " and set
It sets in other structures, or refers to certain structure and be arranged in other structures by the way that another structure is " indirect ".
In this specification, term "one", " one ", "the", " described " and "at least one" indicating there are one or
Multiple element/component parts/etc.；Term "comprising", " comprising " and " having " are indicating the open meaning being included
And refer to the element in addition to listing/component part/also may be present other than waiting other element/component part/etc.；Term " the
One ", " second " and " third " etc. only use as label, are not the quantity limitations to its object.
It should be appreciated that the utility model be not limited in its application to this specification proposition component detailed construction and
Arrangement.The utility model can have other embodiment, and can realize and execute in many ways.Aforementioned change
Shape form and modification are fallen in the scope of the utility model.It should be appreciated that this reality of this disclosure and restriction
It is mentioned or all alternative groups of two or more apparent independent features with the novel text and/or drawings that extend to
It closes.All these different combinations constitute multiple alternative aspects of the utility model.Embodiment described in this specification is said
The best mode for becoming known for realizing the utility model is illustrated, and those skilled in the art will be enable new using this practicality
Type.
Claims (9)
1. a kind of airtight insulation system of vacuum interrupter, including：Airtight insulation crust, moved end end cap, corrugated stainless steel tubing with
And static side end cap, the moved end end cap and static side end cap are respectively arranged at the both ends of the airtight insulation crust；Its feature exists
In,
The moved end end cap is bilayer or multilayer, is at least one layer of first reinforcing layer on the inside or outside of the moved end end cap；And/
Alternatively,
The static side end cap is bilayer or multilayer, is at least one layer of second reinforcing layer on the inside or outside of the static side end cap.
2. the airtight insulation system of vacuum interrupter according to claim 1, which is characterized in that first reinforcing layer is set
It is set to lid compatible with the shape of moved end end cap or cup-shaped.
3. the airtight insulation system of vacuum interrupter according to claim 1, which is characterized in that second reinforcing layer is set
It is set to lid compatible with the shape of static side end cap or cup-shaped.
4. the airtight insulation system of vacuum interrupter according to claim 1, which is characterized in that on first reinforcing layer
Multiple first ribs are provided with, multiple second ribs are provided on second reinforcing layer.
5. the airtight insulation system of vacuum interrupter according to claim 1, which is characterized in that on first reinforcing layer
It is provided with multiple first bar shapeds to bend, outside the extending direction of the first bar shaped bending and first reinforcing layer and airtight insulation
The connection seam of shell is consistent；Multiple second bar shaped bendings are provided on second reinforcing layer, the second bar shaped bending is prolonged
It is consistent with second reinforcing layer and the connection seam of airtight insulation crust to stretch direction.
6. the airtight insulation system of vacuum interrupter according to claim 1, which is characterized in that outside the moved end end cap also
It is provided with first buffer layer, the first buffer layer is set as lid compatible with the shape of moved end end cap or cup-shaped.
7. the airtight insulation system of vacuum interrupter according to claim 6, which is characterized in that outside the static side end cap also
It is provided with second buffer layer, the second buffer layer is set as lid compatible with the shape of static side end cap or cup-shaped.
8. the airtight insulation system of vacuum interrupter according to claim 6, which is characterized in that the first buffer layer is set
It is set to the ring-type for being coated on the moved end end cap outer ring surface.
9. the airtight insulation system of vacuum interrupter according to claim 7, which is characterized in that the first buffer layer
Outer diameter is identical as the outer diameter of airtight insulation crust；The outer diameter of the outer diameter of the second buffer layer and the airtight insulation crust
It is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362133.9U CN207883600U (en) | 2017-10-20 | 2017-10-20 | The airtight insulation system of vacuum interrupter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362133.9U CN207883600U (en) | 2017-10-20 | 2017-10-20 | The airtight insulation system of vacuum interrupter |
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| Publication Number | Publication Date |
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| CN207883600U true CN207883600U (en) | 2018-09-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767497A (en) * | 2019-11-27 | 2020-02-07 | 陕西森宝电力开关有限公司 | Explosion-proof vacuum circuit breaker arc extinguish chamber |
-
2017
- 2017-10-20 CN CN201721362133.9U patent/CN207883600U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767497A (en) * | 2019-11-27 | 2020-02-07 | 陕西森宝电力开关有限公司 | Explosion-proof vacuum circuit breaker arc extinguish chamber |
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