CN107342184A - Double-fracture air pressing type high-voltage switch gear - Google Patents
Double-fracture air pressing type high-voltage switch gear Download PDFInfo
- Publication number
- CN107342184A CN107342184A CN201710316784.2A CN201710316784A CN107342184A CN 107342184 A CN107342184 A CN 107342184A CN 201710316784 A CN201710316784 A CN 201710316784A CN 107342184 A CN107342184 A CN 107342184A
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- CN
- China
- Prior art keywords
- copper tungsten
- tungsten contact
- contact
- pressing type
- piston chamber
- 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.)
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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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/22—Selection of fluids for arc-extinguishing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/021—Composite material
- H01H1/025—Composite material having copper as the basic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/62—Heating or cooling of contacts
Abstract
Double-fracture air pressing type high-voltage switch gear provided by the invention includes air pressing type switch module, and air pressing type switch module includes working chamber, and working chamber includes upper piston chamber, lower piston chamber and driving chamber；Upper piston chamber and lower piston chamber are parallel to each other, and the end of upper piston chamber is provided with the first conductor assembly, and the end of lower piston chamber is provided with the second conductor assembly；Bonded conductor component is additionally provided with working chamber, first piston and second piston are provided with bonded conductor component, first piston is slidably matched with upper piston chamber, and second piston is slidably matched with lower piston chamber；First air flue and the second air flue are set on bonded conductor component；Bonded conductor component is slidably simultaneously connected with the first conductor assembly and the second conductor assembly simultaneously；Working chamber is only in communication with the outside with body and the first conductor assembly that works, the second conductor assembly and junction between actuating module, and double-fracture halves each fracture arc energy, and the first air flue and the second air flue form rapidly interference in air flow electric arc.
Description
Technical field
The present invention relates to high voltage electric equipment field, more particularly to a kind of double-fracture air pressing type high-voltage switch gear.
Background technology
Patent No. CN201210258119.X Chinese invention patent discloses a kind of single break piezoelectric type switch, including
Frame and the insulating cylinder being arranged in frame, insulating cylinder internal structure form on-load switch arc-chutes, and one inside insulating cylinder
End is provided with stationary contact, and air-vent is provided with insulating cylinder.Movable contact is because of main shaft work in insulating cylinder with connecting for connecting lever
Plug motion, and then be engaged with stationary contact.Insulating cylinder arranges that the fracture formed between stationary contact and movable contact is vertical vertically
The single break of setting.
In existing this kind of single break piezoelectric type switch, due to only forming a fracture between stationary contact and movable contact, and
Can produce electric arc during released state is converted to by engagement state between stationary contact and movable contact, and the intensity of electric arc with
Electric current, the size of voltage are into direct correlation, and an only fracture can cause incision position arc stiffness excessive in switch, and electric arc produces
High temperature switching device can be caused directly to damage.Meanwhile in insulating cylinder air-vent setting be only piston normal work and
Ventilatory is provided, the position setting of air-vent is faint to electric arc interference effect.
The content of the invention
The goal of the invention of the present invention, which is to provide, a kind of to be had suitable for high pressure transmission ＆ distribution and the good double-fracture of arc quenching effect
Air pressing type high-voltage switch gear.
Double-fracture air pressing type high-voltage switch gear provided by the invention includes frame, actuating module and air pressing type switch module, behaviour
Dynamic model block and air pressing type switch module are arranged in frame；Air pressing type switch module includes Switch main body, inside Switch main body
With working chamber, working chamber includes upper piston chamber, lower piston chamber and driving chamber；Upper piston chamber and lower piston chamber are parallel to each other,
The end of upper piston chamber is provided with the first conductor assembly, and the end of lower piston chamber is provided with the second conductor assembly；In working chamber also
Bonded conductor component is provided with, first piston and second piston, first piston and upper work are fixedly installed on bonded conductor component
Plug chamber is slidably matched, and second piston is slidably matched with lower piston chamber；Set on bonded conductor component and be communicated in upper piston chamber with driving
The first air flue between chamber is moved, the second air flue being communicated between lower piston chamber and driving chamber is set on bonded conductor component；Behaviour
The output end of dynamic model block is connected with bonded conductor component to drive bonded conductor component slippage；Bonded conductor component can be simultaneously with the
One conductor assembly and the connection of the second conductor assembly；Switch main body sealed set.
From such scheme, due to being provided with two fractures of horizontally-parallel setting, and two fractures in high-voltage switch gear
Between disconnected conjunction work carry out simultaneously, arc energy that each incision position in switch can be achieved in this design halves, and two fractures are same
When to cut-off i.e. total fracture opening velocity double, fracture pressure voltage rise time increase, the arc extinction time is done sth. in advance；Secondly this is switched
Internal portion's sealed set, and the first air flue and the second air flue be towards at electric arc generation, when bonded conductor component is along cut-offfing direction fortune
When dynamic, pressure difference increase in both sides in the Switch main body of sealing, gas rapidly flows to the other end by the gas in compression one end（That is electric arc
At generation）, and then to electric arc it is effective interference, put out.
Further scheme is that bonded conductor component includes bonded conductor, and bonded conductor includes column body and lower prop, on
Cylinder and lower prop are parallel to each other, and first piston and second piston are respectively installed with column body and lower prop；First air flue passes through
The both ends of column body are passed through, the second air flue runs through the both ends of lower prop.
Therefore keep being synchronized with the movement between structure identical column body and lower prop, the first air flue of straight line and the
Two air flues are more conducive to the conveying of gas.
Further scheme is that the first conductor assembly includes the first copper bar and the first Mume flower contact being connected with each other, upper prop
Body can be engaged with the first Mume flower contact；Second conductor assembly includes the second copper bar and the second Mume flower contact being connected with each other,
Lower prop can be engaged with the second Mume flower contact.
Therefore the thermal diffusivity of junction can be ensured using the first Mume flower contact and the second Mume flower contact at stationary contact
Can, when stationary contact and movable contact fracture, caused by electric arc high temperature reach with bigger area of dissipation the first Mume flower contact or
At second Mume flower contact.
Further scheme is that bonded conductor component also includes the first copper tungsten contact and the second copper tungsten contact, the first bronze medal tungsten
Contact is arranged on the end of column body, and the second copper tungsten contact is arranged on the end of lower prop；First conductor assembly also includes the 3rd
Copper tungsten contact, the second conductor assembly also include the 4th copper tungsten contact；First copper tungsten contact and the 3rd copper tungsten contact are engaged, together
When the second copper tungsten contact and the 4th copper tungsten contact be engaged.
Therefore copper tungsten contact is made of the metal material of copper tungsten 80, copper tungsten 80 is used as high temperature resistant conductive material,
Contact can ensure that the high-temperature effect of electric arc does not cause to damage to contact and device using the metal material of copper tungsten 80.
Further scheme is, when column body separates with the first Mume flower contact, the first copper tungsten contact and the 3rd copper tungsten contact
Between keep coordinate.
Therefore when being engaged between bonded conductor component and the first conductor assembly, the second conductor assembly, column body with
The engagement of first Mume flower contact, lower prop engage with the second Mume flower contact, are engaged between the first copper tungsten contact and the 3rd copper tungsten contact,
Engaged between second copper tungsten contact and the 4th copper tungsten contact；When actuating bonded conductor component is so that contact is cut-off, column body with
First cut-off between first Mume flower contact, while cut-off between lower prop and the second Mume flower contact, and now the first copper tungsten contact and
Keep coordinating between 3rd copper tungsten contact, between the second copper tungsten contact and the 4th copper tungsten contact.This setting can ensure will
When forming fracture, the heat of incision position is concentrated on the copper tungsten contact with more preferable heat resistance, ensures device not because of high temperature
Influence and damage.
Further scheme is that the first copper tungsten contact and the second copper tungsten contact are cylindrical shape, the 3rd copper tungsten contact and the
Four copper tungsten contacts are cylinder, and the first copper tungsten contact is coated on the 3rd copper tungsten contact, and the second copper tungsten contact is coated at the 4th bronze medal
On tungsten contact.
Therefore it is arranged to the first copper tungsten contact of ring body and the second copper tungsten contact is separately positioned on the first air flue and
The port of export of two air flues, and the 3rd copper tungsten contact and the 4th copper tungsten contact insert the first air flue and the second gas respectively during engagement state
In road, air-flow is respectively positioned at high temperature contact and at electric arc formation and is faced directly towards part, arc quenching effect is more preferably.
Further scheme is that the first PTC temperature-sensitive elements are connected between column body and first copper tungsten contact, described
The 2nd PTC temperature-sensitive elements are connected between lower prop and second copper tungsten contact.
Therefore when incision position electric arc produces and the condition of high temperature occurs, the first PTC temperature-sensitive elements and the 2nd PTC heat
The resistance value of quick element rises and causes incision position electric current to decline, so that the energy of electric arc declines, further improves arc extinguishing effect
Rate.
Further scheme is that the end of column body is provided with the first insulation end ring, and the end of lower prop is provided with second
Insulated end ring, and the first insulation end ring and the second insulation end ring are made of polytetrafluoroethylene (PTFE).
Therefore by taking the first insulation end ring of column body as an example, after bonded conductor component slippage, the first copper tungsten contact
And the 3rd form electric arc between copper tungsten contact because separating each other, electric arc will be in the first insulation end ring, ensure the first air flue
The air-flow front of middle entrance is blowed at electric arc, and electric arc is eliminated.
Further scheme is, the inner ring surface of the inner ring surface of the first copper tungsten contact and the second copper tungsten contact be obliquely installed and
Form guiding surface.
Therefore this design, when engaging fracture, the joint action between contact is more smooth.
Further scheme is, actuating module includes first rotating shaft and atmospheric pressure pole, and one end of atmospheric pressure pole is fixedly connected on the
In one rotating shaft, the other end of atmospheric pressure pole is articulated with bonded conductor component, and first rotating shaft passes through Switch main body.
Brief description of the drawings
Fig. 1 is the structure chart of double-fracture air pressing type high-voltage switch gear embodiment of the present invention.
Fig. 2 is the section view of air pressing type switch module first state in double-fracture air pressing type high-voltage switch gear embodiment of the present invention
Figure.
Fig. 3 is the enlarged drawing at A in Fig. 2.
Fig. 4 is the section view of the state of air pressing type switch module second in double-fracture air pressing type high-voltage switch gear embodiment of the present invention
Figure.
Fig. 5 is the enlarged drawing at B in Fig. 4.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
Referring to Fig. 1, Fig. 1 is the structure chart of double-fracture air pressing type high-voltage switch gear embodiment of the present invention.Double-fracture air pressing type is high
Compress switch including frame 1, air pressing type switch module 100, fusing module 200, earthing module 300 and actuating module 400, calm the anger
Formula switch module 100, fusing module 200, earthing module 300 and actuating module 400 are arranged to adopt and are made from an insulative material
Frame 1 on.Separate three bus bar copper rows for being used to access three-phase electricity are provided with double-fracture air pressing type high-voltage switch gear,
Respectively bus bar copper row 131, bus bar copper row 502 and bus bar copper row 503, and relatively, set on double-fracture air pressing type high-voltage switch gear
It is equipped with separate three cable copper bars for being used to draw three-phase electricity, respectively cable copper bar 601, cable copper bar 602 and electricity
Cable copper bar 603, while in every phase transmission line of electricity, an independence and other phases are provided between bus bar copper row and cable copper bar
The air pressing type switch module of switch module.
In fusing module 200 and an interchangeable fuse tube is not provided with phase, earthing module 300 includes a ground connection
Lock, ground connection lock can be grounded to three-phase electricity simultaneously, and the inside of actuating module 400 sets mechanical linkage which controls, mechanical linkage which controls
Output end be connected to earthing module 300, fusing module 200 and air pressing type switch module 100 in drive member on, user
Earthing module 300, fusing module 200 and air pressing type are switched to reach by being operated to the input of actuating module 400
Drive member in module 100 is driven operation.
Referring to Fig. 2, Fig. 2 is air pressing type switch module 100 first in double-fracture air pressing type high-voltage switch gear embodiment of the present invention
The sectional view of state.Air pressing type switch module 100 includes Switch main body 110, and Switch main body 110 makes to be made from an insulative material, opened
It is working chamber to close the inside of body 110, and working chamber is divided into upper piston chamber 101, lower piston chamber 102 and the three parts of driving chamber 103, and on
The first end of plunger shaft 101 and the first end of lower piston chamber 102 connect with driving chamber 103.Upper piston chamber 101 and lower piston chamber
102 be cylindrical cavity, is parallel to each other between upper piston chamber 101 and lower piston chamber 102 and upper piston chamber 101 and lower piston chamber
102 is horizontally disposed.
The sealed set of Switch main body 110.Sealed set refers to locate to connect opening except setting is required on Switch main body 110,
Such as the first copper bar 131, the second copper bar 141 and first rotating shaft 410 is extend out to outside the connection opening outside Switch main body 110, is switched
Body 110 is not provided with other aeration openings, and takes seal approach in required connection opening, to realize Switch main body
110 maximized sealing effectiveness.
The end of upper piston chamber 101 is provided with the first conductor assembly 130, and the end of lower piston chamber 102 is provided with second and led
Body component 140, the first conductor assembly 130 include the first copper bar 131, the first Mume flower contact 132 and the 3rd bronze medal being connected with each other
Tungsten contact 133, because in the present embodiment, the first copper bar 131 is directly connected on bus, therefore the first copper bar 131 is bus
Copper bar 501（Fig. 1 shows）.Second conductor assembly 140 includes the second copper bar 141, the second Mume flower contact 142 and the being connected with each other
Four copper tungsten contacts 143, the second copper bar 141 are connected in fusing module 200.First Mume flower contact 132 and the second Mume flower contact 142
Structure is identical, and the 3rd copper tungsten contact 133 and the 4th copper tungsten contact 143 are column, and the 3rd copper tungsten contact 133 is arranged at ring-type
The middle part of first Mume flower contact 132, and a ring is set between the 3rd copper tungsten contact 133 and the first Mume flower contact 132 of ring-type
The cooperation position of shape.Similarly, it is also equipped with a loop between the 4th copper tungsten contact 143 and the second Mume flower contact 142 of ring-type
Cooperation position.
Bonded conductor component 12 and atmospheric pressure pole 150 are additionally provided with Switch main body 110, is lived among atmospheric pressure pole 150 for air pressure
Plug cylinder, therefore atmospheric pressure pole 150 is scalable connecting rod.First rotating shaft 410 is actuating module 400（Fig. 1 shows）Torque output end,
First rotating shaft 410 passes through Switch main body 110, and the first end of atmospheric pressure pole 150 is fixedly connected in first rotating shaft 410, atmospheric pressure pole 150
The second end be hinged on bonded conductor component 12.In this working condition, the conductor assembly 130 of bonded conductor component 120 and first,
Second conductor assembly 140, which is in, cut-offs state.
Referring to Fig. 3, Fig. 3 is the enlarged drawing at A in Fig. 2.With reference to Fig. 2, bonded conductor component 12 include bonded conductor 120,
First piston 123 and second piston.Bonded conductor 120 is made up of conductive metal material, bonded conductor 120 include be parallel to each other and
The column body 121 and lower prop 122 of interconnection, column body 121 and lower prop 122 are cylinder, and the He of first piston 123
Second piston be set in column body 121 and column body 121 on lower prop 122 with the structure of lower prop 122 identical, first piston
123 is identical with second piston structure, and upper piston chamber 101 is identical with the structure of lower piston chamber 102, therefore following only to conjugative component 120
Illustrated in the movement relation of upper piston chamber 101.The middle part of column body 121, which is provided with, extends the both ends of column body 121 and connection
In upper piston chamber 101 and the first air flue 124 of driving chamber 103, in the same manner, the middle part of lower prop 122, which is provided with, extends lower prop
122 both ends and the second air flue for being communicated in lower piston chamber 102 and driving chamber 103.
Columnar first copper tungsten contact 125 is connected with the last portion of column body 121, the first copper tungsten contact 125 is inner ring,
The first PTC temperature-sensitive elements 126 of cylindrical shape, and column body 121 are also associated between first copper tungsten contact 125 and column body 121
End is provided with the first insulation end ring 127 of ring-type, and the inner ring surface of the first insulation end ring 127 is that the guiding being obliquely installed is oblique
Face, the middle perforation of the first copper tungsten contact 125 connect with the first air flue 124.In the same manner, the second copper tungsten contact is inner ring, second
The 2nd PTC temperature-sensitive elements of cylindrical shape are also associated between copper tungsten contact and lower prop 122, and the end of lower prop 122 is set
There is the second insulation end ring of ring-type, the inner ring surface of the second insulation end ring is the guiding surface being obliquely installed, the second copper tungsten contact
Centre perforation connects with the second air flue.
First copper tungsten contact 125, the second copper tungsten contact, the 3rd copper tungsten contact 133 and the 4th copper tungsten contact 143 use copper
The material of tungsten 80 is made；First insulation end ring 127 and second insulate end ring because using polytetrafluoroethylene (PTFE) be made and have insulation with
Resistant to elevated temperatures feature.
When air pressing type switch module 100 is in state in succession, the overcoat of first copper tungsten contact 125 in upper piston chamber 101
In, so that being in contact condition therebetween, column body 121 is in cooperation position and column body 121 on the 3rd copper tungsten contact 133
Outer surface and the first Mume flower contact 130 between be in contact condition；Meanwhile in lower piston chamber 102 outside second copper tungsten contact
It is placed on the 4th copper tungsten contact 143 so as to be in contact condition therebetween, while lower prop 122 is in cooperation position and lower prop
Contact condition is between the outer surface of body 122 and the second Mume flower contact 140.Now the first copper bar 131 and the second copper bar 141 it
Between connected by bonded conductor 120.
Referring to Fig. 4 and Fig. 5, Fig. 4 is air pressing type switch module the in double-fracture air pressing type high-voltage switch gear embodiment of the present invention
The sectional view of two-state, Fig. 5 are the enlarged drawing at B in Fig. 4.Because bonded conductor component 120 is in upper piston chamber 101 and in lower work
Fill in the work synchronization in chamber 102 and working condition is identical, therefore the present embodiment only has to the working condition in upper piston chamber 101
Body explanation.When to actuating module 400（Fig. 1 shows）When carrying out cut-offfing operation to air pressing type switch module 100, the first rotating shaft of rotation
410 drive atmospheric pressure poles 150 are swung.Due to first piston 123, the second piston inwall with upper piston chamber 101, lower piston chamber respectively
102 inner wall sealing is slidably matched, be hinged on it is in the realization level of bonded conductor component 120 of the end of atmospheric pressure pole 150, be intended to
Direction away from the first conductor assembly 130 moves linearly.
After bonded conductor component 120 slides certain distance, the former Mume flower contact of column body 121 and first to contact with each other
132 first separate, and now still keep contact condition between the first copper tungsten contact 125 and the 3rd copper tungsten contact 133.This design can be protected
Card will caused by the energy of electric arc act on copper tungsten contact, because copper tungsten contact has heat resistance, therefore effectively to device structure
Part is protected;And due to the sensitive characteristic of the first PTC temperature-sensitive elements 126, it is transferred to first when copper tungsten contact temperature raises
After PTC temperature-sensitive elements 126, the resistance value of the first PTC temperature-sensitive elements 126 increases with the increase of temperature, by reducing electric current and right
The energy of electric arc plays inhibitory action.Meanwhile working chamber is only with the conductor assembly 120 of Switch main body 110 and first, the second conductor assembly
130 and the junction between actuating module 400 be in communication with the outside, due to the perisporium of first piston 123 and upper piston chamber 101
Coordinate, now the gas in driving chamber 103 is compressed, and makes to produce pressure difference between upper piston chamber 101 and driving chamber 103.
With reference to Fig. 2, after bonded conductor component 120 continues to slide certain distance, the first copper tungsten contact 125 and the 3rd bronze medal tungsten
Separated between contact 133, now electric arc produces；Meanwhile pressure difference be present between driving chamber 103 and upper piston chamber 101
Under, the compressed air in driving chamber 103 will be rapidly flowed in upper piston chamber 101 by the first air flue 124, the first air flue 124
Export at face electric arc generation, air positive effect produces interference in electric arc to electric arc.
Simultaneously as the fracture in fracture and lower piston chamber 102 in upper piston chamber 101 is formed simultaneously, therefore caused electricity
Act on each incision position to arc energy in half.Meanwhile make two fracture distances with reference to the sliding of conductor assembly 120 while increase
Greatly, the pressure voltage of incision position, which gathers way, significantly improves, and the time of arc extinction will reach ahead of time.
Finally it is emphasized that the foregoing is only the preferred embodiments of the present invention, it is not intended to limit the invention, it is right
For those skilled in the art, the present invention can have various change and change, within the spirit and principles of the invention,
Any modification, equivalent substitution and improvements done etc., should be included in the scope of the protection.
Claims (10)
1. double-fracture air pressing type high-voltage switch gear, including
Frame, actuating module and air pressing type switch module, the actuating module and the air pressing type switch module are arranged at institute
State in frame；
It is characterized in that：
The air pressing type switch module includes Switch main body, has working chamber inside the Switch main body, the working chamber includes
Upper piston chamber, lower piston chamber and driving chamber；The upper piston chamber and the lower piston chamber are parallel to each other, the upper piston chamber
End is provided with the first conductor assembly, and the end of the lower piston chamber is provided with the second conductor assembly；
Bonded conductor component is additionally provided with the working chamber, first piston and are fixedly installed on the bonded conductor component
Two pistons, the first piston are slidably matched with the upper piston chamber, and the second piston is slidably matched with the lower piston chamber；
The first air flue being communicated between the upper piston chamber and the driving chamber is set on the bonded conductor component, and the engagement is led
The second air flue being communicated between the lower piston chamber and the driving chamber is set on body component；
The output end of the actuating module is connected with the bonded conductor component to drive the bonded conductor component slippage；
The bonded conductor component can be connected with first conductor assembly and the second conductor assembly simultaneously；
The Switch main body sealed set.
2. double-fracture air pressing type high-voltage switch gear according to claim 1, it is characterised in that：
The bonded conductor component includes bonded conductor, and the bonded conductor includes column body and lower prop, the column body and
The lower prop is parallel to each other, and the first piston and described second is respectively installed with the column body and the lower prop and is lived
Plug；
First air flue runs through the both ends of the column body, and second air flue runs through the both ends of the lower prop.
3. double-fracture air pressing type high-voltage switch gear according to claim 2, it is characterised in that：
First conductor assembly includes the first copper bar and the first Mume flower contact being connected with each other, and the column body can be with described the
One Mume flower contact is engaged；
Second conductor assembly includes the second copper bar and the second Mume flower contact being connected with each other, and the lower prop can be with described the
Two Mume flower contacts are engaged.
4. double-fracture air pressing type high-voltage switch gear according to claim 3, it is characterised in that：
The bonded conductor component also includes the first copper tungsten contact and the second copper tungsten contact, and first copper tungsten contact is arranged on institute
The end of column body is stated, second copper tungsten contact is arranged on the end of the lower prop；
First conductor assembly also includes the 3rd copper tungsten contact, and second conductor assembly also includes the 4th copper tungsten contact；
First copper tungsten contact and the 3rd copper tungsten contact are engaged, while second copper tungsten contact and the 4th bronze medal tungsten
Contact coordinates.
5. double-fracture air pressing type high-voltage switch gear according to claim 4, it is characterised in that：
When the column body separates with first Mume flower contact, between first copper tungsten contact and the 3rd copper tungsten contact
Keep coordinating.
6. double-fracture air pressing type high-voltage switch gear according to claim 4, it is characterised in that：
First copper tungsten contact and second copper tungsten contact are cylindrical shape, the 3rd copper tungsten contact and the 4th bronze medal
Tungsten contact is cylinder, and first copper tungsten contact is coated on the 3rd copper tungsten contact, the second copper tungsten contact overcoat
In on the 4th copper tungsten contact.
7. double-fracture air pressing type high-voltage switch gear according to claim 6, it is characterised in that：
The first PTC temperature-sensitive elements, the lower prop and described are connected between the column body and first copper tungsten contact
The 2nd PTC temperature-sensitive elements are connected between two copper tungsten contacts.
8. double-fracture air pressing type high-voltage switch gear according to claim 7, it is characterised in that：
The end of the column body is provided with the first insulation end ring, and the end of the lower prop is provided with the second insulation end ring, institute
State the first insulation end ring and the second insulation end ring is made of polytetrafluoroethylene (PTFE).
9. double-fracture air pressing type high-voltage switch gear according to claim 8, it is characterised in that：
The inner ring surface of the first insulation end ring and the second insulation end ring is obliquely installed and forms guiding surface.
10. the double-fracture air pressing type high-voltage switch gear according to any one of claim 1 to 9, it is characterised in that：
The actuating module includes first rotating shaft and atmospheric pressure pole, and one end of the atmospheric pressure pole is fixedly connected on the first rotating shaft
On, the other end of the atmospheric pressure pole is articulated with the bonded conductor component, and the first rotating shaft passes through the Switch main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710316784.2A CN107342184A (en) | 2017-05-08 | 2017-05-08 | Double-fracture air pressing type high-voltage switch gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710316784.2A CN107342184A (en) | 2017-05-08 | 2017-05-08 | Double-fracture air pressing type high-voltage switch gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107342184A true CN107342184A (en) | 2017-11-10 |
Family
ID=60220206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710316784.2A Pending CN107342184A (en) | 2017-05-08 | 2017-05-08 | Double-fracture air pressing type high-voltage switch gear |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201532897U (en) * | 2009-11-13 | 2010-07-21 | 泉州科力电气有限公司 | High-voltage cable tap switch unit of grading arc extinction |
| CN102760607A (en) * | 2012-07-24 | 2012-10-31 | 上海天灵开关厂有限公司 | Pressure-operated load switch for gas-insulated ring main unit |
| CN202839450U (en) * | 2012-09-28 | 2013-03-27 | 王永法 | Vacuum arc extinguishing chamber |
| CN104616927A (en) * | 2015-02-03 | 2015-05-13 | 广东金晖隆开关有限公司 | Blowing arc extinguishing chamber of breaker |
| CN206877899U (en) * | 2017-05-08 | 2018-01-12 | 埃尔凯电器（新加坡）私人有限公司 | Double-fracture air pressing type high-voltage switch gear |
-
2017
- 2017-05-08 CN CN201710316784.2A patent/CN107342184A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201532897U (en) * | 2009-11-13 | 2010-07-21 | 泉州科力电气有限公司 | High-voltage cable tap switch unit of grading arc extinction |
| CN102760607A (en) * | 2012-07-24 | 2012-10-31 | 上海天灵开关厂有限公司 | Pressure-operated load switch for gas-insulated ring main unit |
| CN202839450U (en) * | 2012-09-28 | 2013-03-27 | 王永法 | Vacuum arc extinguishing chamber |
| CN104616927A (en) * | 2015-02-03 | 2015-05-13 | 广东金晖隆开关有限公司 | Blowing arc extinguishing chamber of breaker |
| CN206877899U (en) * | 2017-05-08 | 2018-01-12 | 埃尔凯电器（新加坡）私人有限公司 | Double-fracture air pressing type high-voltage switch gear |
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Application publication date: 20171110 |
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| RJ01 | Rejection of invention patent application after publication |