CN106340420A - High-voltage circuit breaker - Google Patents
High-voltage circuit breaker Download PDFInfo
- Publication number
- CN106340420A CN106340420A CN201610821472.2A CN201610821472A CN106340420A CN 106340420 A CN106340420 A CN 106340420A CN 201610821472 A CN201610821472 A CN 201610821472A CN 106340420 A CN106340420 A CN 106340420A
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- Prior art keywords
- parts
- vacuum
- tight
- housing
- insulation shell
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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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/668—Means for obtaining or monitoring the vacuum
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- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a high-voltage circuit breaker. The circuit breaker comprises an insulation shell, a moving conducting rod, a fixed conducting rod, a first vacuum cover, a second vacuum cover and a pressure measurement mechanism. One end of the moving conducting rod and one end of the fixed conducting rod are located in the first vacuum cover respectively. The other end of the moving conducting rod and the other end of the fixed conducting rod are extended outside the first vacuum cover respectively. The second vacuum cover is arranged in the first vacuum cover. A side wall of the second vacuum cover is connected to a glass tube. The glass tube is extended outside the first vacuum cover. A tail end of the glass tube is provided with the pressure measurement mechanism. An external portion of the first vacuum cover is provided with the insulation shell. The second vacuum cover is connected to a connecting lever. The connecting lever is connected to a permanent-magnetic operation mechanism. The permanent-magnetic operation mechanism is connected to a power supply apparatus. The power supply apparatus is a hand generator. By using the high-voltage circuit breaker, high vacuum performance of an arc extinguish chamber can be effectively maintained; leakage is prevented; and cost is saved and a flame retardation effect is good, which is good for connection and disconnection of a circuit.
Description
Technical field
Present invention relates particularly to a kind of primary cut-out.
Background technology
Primary cut-out, also known as vacuum switch tube, are the core components of mesohigh power switch, and its Main Function is to lead to
Cross the rapid blow-out of energy after the excellent insulating properties of vacuum in pipe makes mesohigh circuitry cuts power supply and suppress electric current, it is to avoid accident and meaning
Outer generation, is mainly used in the transmission ＆ distribution electric control system of electric power, is also applied to metallurgy, mine, oil, chemical industry, railway, wide
Broadcast, communicate, the distribution system such as industrial high-frequency heating.There is energy-conservation, section material, fire prevention, explosion-proof, small volume, life-span length, maintenance cost
Low, reliable and pollution-free the features such as.Primary cut-out is divided into arc extinguishing chamber for breaker and on-load switch to use from purposes again
Arc-chutes, arc-extinguishing chamber of circuit breaker is mainly used in transformer station and electrical network facilities in power department, and on-load switch is main with arc-chutes
For the terminal use of electrical network, and existing primary cut-out is: cut-offfing of vacuum interrupter, is gone out by the link of insulated tension pole one end
Arc chamber, the other end is connected with connecting lever, and the other end of connecting lever and permanent-magnet manipulating mechanism link.The motion of permanent-magnet manipulating mechanism is passed through to turn
The lever principle of arm, to drive the cut-offfing with closure it is impossible to effectively keep the vacuum enhancing of arc-chutes of arc-chutes, is easily revealed,
High cost, flame retardant effect is poor, is unfavorable for that circuit cut-offs.
Content of the invention
For overcoming the problems of the prior art, the invention provides a kind of fine vacuum that can effectively keep arc-chutes
Property, prevent from revealing, cost-effective, good flame retardation effect, the primary cut-out cut-offfing beneficial to circuit.
The technology of employing and method in order to solve the problems, such as the above-mentioned present invention are as follows:
A kind of primary cut-out, including insulation shell, moving conductive rod, determines conducting rod, the first vacuum (-tight) housing, the second vacuum (-tight) housing, pressure
Power measuring mechanism, described moving conductive rod and determine one end of conducting rod and be located at respectively in the first vacuum (-tight) housing, described moving conductive rod and calmly
The other end of conducting rod extends respectively to outside the first vacuum (-tight) housing, is additionally provided with the second vacuum (-tight) housing in described first vacuum (-tight) housing, described
A glass tubing is connected, described glass tubing extends to outside the first vacuum (-tight) housing, and described glass tube end sets on second vacuum (-tight) housing side wall
There is pressure measxurement mechanism, outside described first vacuum (-tight) housing, be provided with insulation shell, described second vacuum (-tight) housing is connected with connecting lever, described connecting lever is even
It is connected to permanent-magnet manipulating mechanism, described permanent-magnet manipulating mechanism is connected with electric supply installation, described electric supply installation is hand generator, described exhausted
Edge shell includes the component of following weight portion: 10～45 parts of Merlon, 10～45 parts of vistanex, 2～19 parts of polrvinyl chloride,
3～15 parts of 4,5- epoxy tetrahydrophthalic acid di-isooctyl, 7～15 parts of maleic acid di-n-butyl tin, metallocene PE 6～
15 parts, 2～12 parts of potter's clay, 3～8 parts of polyimide fiber, 1～8 part of o-phthalic acid dibutyl ester, methyl vinyl phenyl silicon rubber
1～5 part of glue；1～5 part of methyl trifluoro propyl silicone rubber, 15～25 parts of inorganic filler.
Further, described pressure measxurement mechanism includes a pressure gauge, and described pressure gauge is located at outside insulation shell.
Further, wrap up insulation shell outside described glass tubing, be provided with corrugated tube in the middle part of described moving conductive rod, described ripple
It is provided with protective cover outside pipe.
Further, described insulation shell includes the component of following weight portion: 10 parts of Merlon, 10 parts of vistanex,
2 parts of polrvinyl chloride, 3 parts of 4,5- epoxy tetrahydrophthalic acid di-isooctyl, 7 parts of maleic acid di-n-butyl tin, the poly- second of metallocene
6 parts of alkene, 2 parts of potter's clay, 3 parts of polyimide fiber, 1 part of o-phthalic acid dibutyl ester, 1 part of methyl vinyl phenyl silicone rubber；First
1 part of base trifluoro propyl silicone rubber, 15 parts of inorganic filler.
Further, described insulation shell includes the component of following weight portion: 30 parts of Merlon, 30 parts of vistanex,
10 parts of polrvinyl chloride, 10 parts of 4,5- epoxy tetrahydrophthalic acid di-isooctyl, 10 parts of maleic acid di-n-butyl tin, metallocene gather
10 parts of ethylene, 6 parts of potter's clay, 5 parts of polyimide fiber, 5 parts of o-phthalic acid dibutyl ester, 3 parts of methyl vinyl phenyl silicone rubber；
3 parts of methyl trifluoro propyl silicone rubber, 20 parts of inorganic filler.
Further, described insulation shell includes the component of following weight portion: 45 parts of Merlon, 45 parts of vistanex,
19 parts of polrvinyl chloride, 15 parts of 4,5- epoxy tetrahydrophthalic acid di-isooctyl, 15 parts of maleic acid di-n-butyl tin, metallocene gather
15 parts of ethylene, 12 parts of potter's clay, 8 parts of polyimide fiber, 8 parts of o-phthalic acid dibutyl ester, methyl vinyl phenyl silicone rubber 5
Part；5 parts of methyl trifluoro propyl silicone rubber, 25 parts of inorganic filler.
Further, described inorganic filler is the Nano titanium nitride of 1:2 and the mixture of nano-silicon nitride for weight part ratio.
The invention has the benefit that described arc-chutes are provided with the first vacuum (-tight) housing and the second vacuum (-tight) housing double shielding mechanism,
Can effectively ensure that the vacuum enhancing of primary cut-out, connect a glass tubing, described glass on the second vacuum (-tight) housing upper side wall simultaneously
Glass pipe extends to outside the first vacuum (-tight) housing, and described glass tube end is provided with pressure measxurement mechanism, can be in the second vacuum (-tight) housing
Pressure is monitored, and pressure measxurement mechanism is provided with pressure gauge, and described pressure gauge is located at outside insulation shell, is easy to vacuum
Pressure in cover is monitored, convenient replacing primary cut-out in time；Second vacuum (-tight) housing is directly connected to insulated tension pole one end, absolutely
The edge pull bar other end is directly connected to permanent-magnet manipulating mechanism, reduces middle each transmission link, permanent-magnet manipulating mechanism passes through insulated tension pole
Directly folding second vacuum (-tight) housing, more conducively circuit cut-offs, and improves primary cut-out break performance；Insulation shell employs special
Material make, not only mechanical strength, fire resistance and ageing resistace also very excellent.
Brief description
Fig. 1 is a kind of structural representation of primary cut-out of the present invention.
Specific embodiment
With reference to embodiment, the present invention is described in further detail with accompanying drawing, but they are not to skill of the present invention
The restriction of art scheme, based on present invention teach that any conversion of being made, all falls within protection scope of the present invention.
Embodiment 1
Refering to shown in 1, a kind of primary cut-out, including insulation shell 4, moving conductive rod 1, determine conducting rod 9, the first vacuum (-tight) housing 8,
Second vacuum (-tight) housing 7, pressure measxurement mechanism, described moving conductive rod 1 is located in the first vacuum (-tight) housing 7 respectively with the one end determining conducting rod 9,
Described moving conductive rod 1 and the other end determining conducting rod 9 extend respectively to outside the first vacuum (-tight) housing 8, in described first vacuum (-tight) housing 8 also
It is provided with the second vacuum (-tight) housing 7, described second vacuum (-tight) housing 7 side wall connects a glass tubing 6, described glass tubing 6 extends to the first vacuum
Outside cover 8, described glass tubing 6 end is provided with pressure measxurement mechanism, is provided with insulation shell 4 outside described first vacuum (-tight) housing 8, and described the
Two vacuum (-tight) housings 7 are connected with connecting lever 10, and described connecting lever 10 is connected with permanent-magnet manipulating mechanism 11, and described permanent-magnet manipulating mechanism 11 is connected with power supply
Device 12, described electric supply installation 12 is hand generator, and described insulation shell 4 includes the component of following weight portion: Merlon 10
Part, 10 parts of vistanex, 2 parts of polrvinyl chloride, 3 parts of 4,5- epoxy tetrahydrophthalic acid di-isooctyl, the positive fourth of maleic acid two
7 parts of base stannum, 6 parts of metallocene PE, 2 parts of potter's clay, 3 parts of polyimide fiber, 1 part of o-phthalic acid dibutyl ester, ethylene methacrylic
1 part of base phenyl siloxane rubber；1 part of methyl trifluoro propyl silicone rubber, 15 parts of inorganic filler.
Described pressure measxurement mechanism includes a pressure gauge 5, and described pressure gauge is located at outside insulation shell.
Described glass tubing 6 outside parcel insulation shell 4, is provided with corrugated tube 2, outside described corrugated tube 2 in the middle part of described moving conductive rod 1
Portion is provided with protective cover 3.
Described inorganic filler is the Nano titanium nitride of 1:2 and the mixture of nano-silicon nitride for weight part ratio.
Wherein, the preparation method of insulation shell is as follows:
Step (1): will be sub- to 2 parts of potter's clay, 15 parts of inorganic filler, 10 parts of Merlon, 2 parts of polrvinyl chloride, polyamides by proportioning
3 parts of amine fiber, 6 parts of metallocene PE are added to stirring in blender, and mixing time is 15～30min；
Step (2): add 10 parts of vistanex, 4,5- epoxy tetrahydrophthalic acid di-isooctyl again in blender
3 parts, 7 parts of maleic acid di-n-butyl tin, 1 part of o-phthalic acid dibutyl ester, 1 part of methyl vinyl phenyl silicone rubber；Methyl trifluoro
1 part of propyl group silicone rubber continues stirring, and uniformly, heating-up temperature is 100-150 DEG C to heated and stirred, and mixing time is 15～30min；
Step (3): the material in step (2) is melt extruded on the twin screw extruder, double screw extruder draw ratio
For 11:1～15:1, double screw extruder extrusion temperature is as follows, 160～170 DEG C of area's temperature, and two area's temperature are 175～185
DEG C, three area's temperature are 190～200 DEG C, and four area's temperature are 205～210 DEG C；
Step (4): by extruded stock injection mo(u)lding.
In described step (1) and step (2), blender rotating speed is 400～600r/min.
In described step (3), double-screw extruder screw draw ratio is 12:1.
Embodiment 2
Refering to shown in 1, a kind of primary cut-out, including insulation shell 4, moving conductive rod 1, determine conducting rod 9, the first vacuum (-tight) housing 8,
Second vacuum (-tight) housing 7, pressure measxurement mechanism, described moving conductive rod 1 is located in the first vacuum (-tight) housing 7 respectively with the one end determining conducting rod 9,
Described moving conductive rod 1 and the other end determining conducting rod 9 extend respectively to outside the first vacuum (-tight) housing 8, in described first vacuum (-tight) housing 8 also
It is provided with the second vacuum (-tight) housing 7, described second vacuum (-tight) housing 7 side wall connects a glass tubing 6, described glass tubing 6 extends to the first vacuum
Outside cover 8, described glass tubing 6 end is provided with pressure measxurement mechanism, is provided with insulation shell 4 outside described first vacuum (-tight) housing 8, and described the
Two vacuum (-tight) housings 7 are connected with connecting lever 10, and described connecting lever 10 is connected with permanent-magnet manipulating mechanism 11, and described permanent-magnet manipulating mechanism 11 is connected with power supply
Device 12, described electric supply installation 12 is hand generator, and described insulation shell 4 includes the component of following weight portion: Merlon 30
Part, 30 parts of vistanex, 10 parts of polrvinyl chloride, 10 parts of 4,5- epoxy tetrahydrophthalic acid di-isooctyl, maleic acid two are just
10 parts of butyl tin, 10 parts of metallocene PE, 6 parts of potter's clay, 5 parts of polyimide fiber, 5 parts of o-phthalic acid dibutyl ester, methyl
3 parts of ethenylphenyl silicone rubber；3 parts of methyl trifluoro propyl silicone rubber, 20 parts of inorganic filler.
Described pressure measxurement mechanism includes a pressure gauge 5, and described pressure gauge is located at outside insulation shell.
Described glass tubing 6 outside parcel insulation shell 4, is provided with corrugated tube 2, outside described corrugated tube 2 in the middle part of described moving conductive rod 1
Portion is provided with protective cover 3.
Described inorganic filler is the Nano titanium nitride of 1:2 and the mixture of nano-silicon nitride for weight part ratio.
Wherein, the preparation method of insulation shell is as follows:
Step (1): will be sub- to 6 parts of potter's clay, 20 parts of inorganic filler, 30 parts of Merlon, 10 parts of polrvinyl chloride, polyamides by proportioning
5 parts of amine fiber, 10 parts of metallocene PE are added to stirring in blender, and mixing time is 15～30min；
Step (2): add 30 parts of vistanex, 4,5- epoxy tetrahydrophthalic acid di-isooctyl again in blender
10 parts, 10 parts of maleic acid di-n-butyl tin, 5 parts of o-phthalic acid dibutyl ester, 3 parts of methyl vinyl phenyl silicone rubber；Methyl three
3 parts of fluoropropyl silicone rubber continues stirring, and uniformly, heating-up temperature is 100-150 DEG C to heated and stirred, and mixing time is 15～30min；
Step (3): the material in step (2) is melt extruded on the twin screw extruder, double screw extruder draw ratio
For 11:1～15:1, double screw extruder extrusion temperature is as follows, 160～170 DEG C of area's temperature, and two area's temperature are 175～185
DEG C, three area's temperature are 190～200 DEG C, and four area's temperature are 205～210 DEG C；
Step (4): by extruded stock injection mo(u)lding.
In described step (1) and step (2), blender rotating speed is 400～600r/min.
In described step (3), double-screw extruder screw draw ratio is 12:1.
Embodiment 3
Refering to shown in 1, a kind of primary cut-out, including insulation shell 4, moving conductive rod 1, determine conducting rod 9, the first vacuum (-tight) housing 8,
Second vacuum (-tight) housing 7, pressure measxurement mechanism, described moving conductive rod 1 is located in the first vacuum (-tight) housing 7 respectively with the one end determining conducting rod 9,
Described moving conductive rod 1 and the other end determining conducting rod 9 extend respectively to outside the first vacuum (-tight) housing 8, in described first vacuum (-tight) housing 8 also
It is provided with the second vacuum (-tight) housing 7, described second vacuum (-tight) housing 7 side wall connects a glass tubing 6, described glass tubing 6 extends to the first vacuum
Outside cover 8, described glass tubing 6 end is provided with pressure measxurement mechanism, is provided with insulation shell 4 outside described first vacuum (-tight) housing 8, and described the
Two vacuum (-tight) housings 7 are connected with connecting lever 10, and described connecting lever 10 is connected with permanent-magnet manipulating mechanism 11, and described permanent-magnet manipulating mechanism 11 is connected with power supply
Device 12, described electric supply installation 12 is hand generator, and described insulation shell 4 includes the component of following weight portion: Merlon 45
Part, 45 parts of vistanex, 19 parts of polrvinyl chloride, 15 parts of 4,5- epoxy tetrahydrophthalic acid di-isooctyl, maleic acid two are just
15 parts of butyl tin, 15 parts of metallocene PE, 12 parts of potter's clay, 8 parts of polyimide fiber, 8 parts of o-phthalic acid dibutyl ester, methyl
5 parts of ethenylphenyl silicone rubber；5 parts of methyl trifluoro propyl silicone rubber, 25 parts of inorganic filler.
Described pressure measxurement mechanism includes a pressure gauge 5, and described pressure gauge is located at outside insulation shell.
Described glass tubing 6 outside parcel insulation shell 4, is provided with corrugated tube 2, outside described corrugated tube 2 in the middle part of described moving conductive rod 1
Portion is provided with protective cover 3.
Described inorganic filler is the Nano titanium nitride of 1:2 and the mixture of nano-silicon nitride for weight part ratio.
Wherein, the preparation method of insulation shell is as follows:
Step (1): by proportioning by 12 parts of potter's clay, 25 parts of inorganic filler, 45 parts of Merlon, 19 parts of polrvinyl chloride, polyamides
8 parts of imine fiber, 15 parts of metallocene PE are added to stirring in blender, and mixing time is 15～30min；
Step (2): add 45 parts of vistanex, 4,5- epoxy tetrahydrophthalic acid di-isooctyl again in blender
15 parts, 15 parts of maleic acid di-n-butyl tin, 8 parts of o-phthalic acid dibutyl ester, 5 parts of methyl vinyl phenyl silicone rubber；Methyl three
5 parts of fluoropropyl silicone rubber continues stirring, and uniformly, heating-up temperature is 100-150 DEG C to heated and stirred, and mixing time is 15～30min；
Step (3): the material in step (2) is melt extruded on the twin screw extruder, double screw extruder draw ratio
For 11:1～15:1, double screw extruder extrusion temperature is as follows, 160～170 DEG C of area's temperature, and two area's temperature are 175～185
DEG C, three area's temperature are 190～200 DEG C, and four area's temperature are 205～210 DEG C；
Step (4): by extruded stock injection mo(u)lding.
In described step (1) and step (2), blender rotating speed is 400～600r/min.
In described step (3), double-screw extruder screw draw ratio is 12:1.
Experimental example:
Insulation shell material property to the primary cut-out of the present invention and the insulation shell material property of existing primary cut-out
Carry out contrast test；
| Performance parameter | Embodiment 1 | Embodiment 2 | Embodiment 3 | Existing insulation shell |
| Bending strength (kgf/cm2) | 1580 | 1540 | 1560 | 1400 |
| Tensile strength (kgf/cm2) | 982 | 956 | 964 | 867 |
| Notch impact strength (kj/m2) | 14.2 | 13.5 | 13.8 | 12.4 |
| Heat distortion temperature DEG C | 131 | 125 | 128 | 113 |
| Anti-flammability ul94 | V0 level | V0 level | V0 level | V0 level |
As seen from the above table, the insulation shell material of the primary cut-out of the present invention has more compared to existing insulation shell material
Bending strength well, tensile strength, notch impact strength and heat distortion temperature.
The invention has the benefit that described arc-chutes are provided with the first vacuum (-tight) housing and the second vacuum (-tight) housing double shielding mechanism,
Can effectively ensure that the vacuum enhancing of primary cut-out, connect a glass tubing, described glass on the second vacuum (-tight) housing upper side wall simultaneously
Glass pipe extends to outside the first vacuum (-tight) housing, and described glass tube end is provided with pressure measxurement mechanism, can be in the second vacuum (-tight) housing
Pressure is monitored, and pressure measxurement mechanism is provided with pressure gauge, and described pressure gauge is located at outside insulation shell, is easy to vacuum
Pressure in cover is monitored, convenient replacing primary cut-out in time；Second vacuum (-tight) housing is directly connected to insulated tension pole one end, absolutely
The edge pull bar other end is directly connected to permanent-magnet manipulating mechanism, reduces middle each transmission link, permanent-magnet manipulating mechanism passes through insulated tension pole
Directly folding second vacuum (-tight) housing, more conducively circuit cut-offs, and improves primary cut-out break performance；Insulation shell employs special
Material make, not only mechanical strength, fire resistance and ageing resistace also very excellent.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
The change or replacement expected without creative work, all should be included within the scope of the present invention, therefore, the present invention's
Protection domain should be defined by the protection domain that claims are limited.
Claims (8)
1. a kind of primary cut-out it is characterised in that: include insulation shell, moving conductive rod, determine conducting rod, the first vacuum (-tight) housing, second
Vacuum (-tight) housing, pressure measxurement mechanism, described moving conductive rod is located in the first vacuum (-tight) housing respectively with the one end determining conducting rod, and described moving is led
Electric pole extends respectively to outside the first vacuum (-tight) housing with the other end determining conducting rod, is additionally provided with the second vacuum in described first vacuum (-tight) housing
Cover, described second vacuum (-tight) housing side wall connects a glass tubing, described glass tubing extends to outside the first vacuum (-tight) housing, described glass tubing
End is provided with pressure measxurement mechanism, is provided with insulation shell outside described first vacuum (-tight) housing, and described second vacuum (-tight) housing is connected with connecting lever, described
Connecting lever is connected with permanent-magnet manipulating mechanism, and described permanent-magnet manipulating mechanism is connected with electric supply installation, and described electric supply installation is hand generator.
2. insulation shell according to claim 1 it is characterised in that: described insulation shell includes the component of following weight portion: poly-
10 ~ 45 parts of carbonic ester, 10 ~ 45 parts of vistanex, 2 ~ 19 parts of polrvinyl chloride, 4,5- epoxy tetrahydrophthalic acid di-isooctyl
3 ~ 15 parts, 7 ~ 15 parts of maleic acid di-n-butyl tin, 6 ~ 15 parts of metallocene PE, 2 ~ 12 parts of potter's clay, polyimide fiber 3 ~ 8
Part, 1 ~ 8 part of o-phthalic acid dibutyl ester, 1 ~ 5 part of methyl vinyl phenyl silicone rubber；1 ~ 5 part of methyl trifluoro propyl silicone rubber, no
15 ~ 25 parts of machine filler.
3. primary cut-out according to claim 1 it is characterised in that: described pressure measxurement mechanism includes a pressure
Table, described pressure gauge is located at outside insulation shell.
4. primary cut-out according to claim 1 it is characterised in that: outside described glass tubing wrap up insulation shell, described
It is provided with corrugated tube in the middle part of moving conductive rod, outside described corrugated tube, be provided with protective cover.
5. primary cut-out according to claim 1 it is characterised in that: described insulation shell includes the group of following weight portion
Point: 10 parts of Merlon, 10 parts of vistanex, 2 parts of polrvinyl chloride, 3 parts of 4,5- epoxy tetrahydrophthalic acid di-isooctyl,
7 parts of maleic acid di-n-butyl tin, 6 parts of metallocene PE, 2 parts of potter's clay, 3 parts of polyimide fiber, o-phthalic acid dibutyl ester 1
Part, 1 part of methyl vinyl phenyl silicone rubber；1 part of methyl trifluoro propyl silicone rubber, 15 parts of inorganic filler.
6. primary cut-out according to claim 1 it is characterised in that: described insulation shell includes the group of following weight portion
Point: 30 parts of Merlon, 30 parts of vistanex, 10 parts of polrvinyl chloride, 4,5- epoxy tetrahydrophthalic acid di-isooctyl 10
Part, 10 parts of maleic acid di-n-butyl tin, 10 parts of metallocene PE, 6 parts of potter's clay, 5 parts of polyimide fiber, phthalic acid two
5 parts of pungent fat, 3 parts of methyl vinyl phenyl silicone rubber；3 parts of methyl trifluoro propyl silicone rubber, 20 parts of inorganic filler.
7. primary cut-out according to claim 1 it is characterised in that: described insulation shell includes the group of following weight portion
Point: 45 parts of Merlon, 45 parts of vistanex, 19 parts of polrvinyl chloride, 4,5- epoxy tetrahydrophthalic acid di-isooctyl 15
Part, 15 parts of maleic acid di-n-butyl tin, 15 parts of metallocene PE, 12 parts of potter's clay, 8 parts of polyimide fiber, phthalic acid
8 parts of dibutyl ester, 5 parts of methyl vinyl phenyl silicone rubber；5 parts of methyl trifluoro propyl silicone rubber, 25 parts of inorganic filler.
8. primary cut-out according to claim 1 it is characterised in that: described inorganic filler for weight part ratio be 1: 2
Nano titanium nitride and nano-silicon nitride mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821472.2A CN106340420A (en) | 2016-09-13 | 2016-09-13 | High-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821472.2A CN106340420A (en) | 2016-09-13 | 2016-09-13 | High-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106340420A true CN106340420A (en) | 2017-01-18 |
Family
ID=57838991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610821472.2A Pending CN106340420A (en) | 2016-09-13 | 2016-09-13 | High-voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106340420A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111599636A (en) * | 2020-06-04 | 2020-08-28 | 深圳供电局有限公司 | Vacuum circuit breaker |
| CN114724886A (en) * | 2021-12-14 | 2022-07-08 | 博时达集团有限公司 | Permanent magnet outdoor vacuum circuit breaker |
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| CN102306589A (en) * | 2011-05-31 | 2012-01-04 | 北京博瑞莱智能科技有限公司 | Low-pressure permanent magnetic vacuum load switch |
| CN104961967A (en) * | 2015-07-28 | 2015-10-07 | 中科英华高技术股份有限公司 | Third-generation nuclear power station in-shell heat-shrinkable insulating material and preparation technique thereof |
| CN204946800U (en) * | 2015-10-11 | 2016-01-06 | 赵玉红 | A kind of primary cut-out |
| CN105295346A (en) * | 2015-12-14 | 2016-02-03 | 苏州鑫德杰电子有限公司 | Shell insulation material for cable and preparation method thereof |
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| CN114724886A (en) * | 2021-12-14 | 2022-07-08 | 博时达集团有限公司 | Permanent magnet outdoor vacuum circuit breaker |
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