CN209087692U - A kind of indoor high-voltage vacuum circuit breaker - Google Patents
A kind of indoor high-voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN209087692U CN209087692U CN201822220028.2U CN201822220028U CN209087692U CN 209087692 U CN209087692 U CN 209087692U CN 201822220028 U CN201822220028 U CN 201822220028U CN 209087692 U CN209087692 U CN 209087692U
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- Prior art keywords
- circuit breaker
- epoxy resin
- vacuum circuit
- pole
- breaker
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Abstract
The utility model discloses a kind of indoor high-voltage vacuum circuit breakers, including operating mechanism, and including the epoxy resin pole being cast in outside main conductive circuit, the epoxy resin pole is fixed on the side upper end of circuit breaker operation mechanism；The epoxy resin pole is connect with contact arm one end, and the other end of the contact arm is connect with Mume flower contact；The contact arm surface is equipped with epoxy resin layer；It constitutes and is equipped with epoxy resin skirt border structure outside the insulated pull rod of the main conductive circuit；By using pole structure to existing breaker, improving a series of schemes such as insulated pull rod and contact arm, the raising for keeping the dielectric level of breaker very big, reliability of operation under the conditions of High aititude (3500m or more) for improving breaker, meets the use demand under high altitude condition.
Description
Technical field
The utility model belongs to technical field of vacuum switches, and in particular to one kind can be applied to height above sea level at 3500 meters
Vacuum circuit breaker in above electrical power trans mission/distribution system.
Background technique
High-pressure vacuum breaker is responsible for the protection such as the overload of power equipment, short circuit and control in high-voltage power supply and distribution system
Effect.Currently, in the indoor distribution system of 35kV, with KYN61 switchgear (the AC metal closed switch of armored type withdraw-type
Cabinet) it is mainstream cabinet type, thus matched handcart-type series indoor high-voltage vacuum circuit breaker is also popularized by large area.Mesh
35kV plateau type handcart-type high-voltage vacuum circuit breaker type used in preceding country's distribution system is fewer, especially height above sea level
High to the performance requirement of vacuum circuit breaker when reaching 3500 meters or more, hypo height can be suitable for currently on the market by, which lacking, reaches
To 3500 meters or more of vacuum circuit breaker.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, and providing one kind can reach suitable for hypo height
3500 meters or more of indoor high-voltage vacuum circuit breaker.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
This kind of indoor high-voltage vacuum circuit breaker, including operating mechanism, including the asphalt mixtures modified by epoxy resin being cast in outside main conductive circuit
Rouge pole, the epoxy resin pole are fixed on the side upper end of circuit breaker operation mechanism；The epoxy resin
Pole is connect with contact arm one end, and the other end of the contact arm is connect with Mume flower contact；The contact arm surface is equipped with asphalt mixtures modified by epoxy resin
Rouge layer；It constitutes and is equipped with epoxy resin skirt border structure outside the insulated pull rod of the main conductive circuit.
The creepage distance of the insulated pull rod is 945mm.
In the vertical direction the center between the Mume flower contact on vacuum circuit breaker top and the Mume flower contact of lower part away from for
472mm；The lower part Mume flower contact ground clearance of vacuum circuit breaker is 465mm；In the horizontal direction between vacuum circuit breaker three-phase
Mume flower contact phase spacing be 440mm.
Pole skirt border structure is equipped with outside the pole.
The interpolar creepage distance 1195mm of the pole, over the ground creepage distance 877mm.
The operating voltage of vacuum circuit breaker is 35kV.
Utility model has the advantages that the indoor high-voltage vacuum circuit breaker of the utility model, by existing breaker
Using pole structure, insulated pull rod and contact arm are improved, and is further improved the center of Mume flower contact between the upper and lower away from, breaker
The distance between three-phase, epoxy resin pole and insulated pull rod a series of schemes such as creepage distance, make breaker
The very big raising of dielectric level improves reliability of operation under the conditions of High aititude (3500m or more) of breaker, meets high
Use demand under altitude conditions.
Detailed description of the invention
Below to each width attached drawing of the utility model specification expression content and figure in label be briefly described:
Fig. 1 is the structural schematic diagram of the utility model indoor high-voltage vacuum circuit breaker；
Fig. 2 is the schematic cross-sectional view of the side of Fig. 1 indoor high-voltage vacuum circuit breaker.
Label in above-mentioned figure is equal are as follows:
1, operating mechanism, 2, epoxy resin pole, 3, contact arm, 4, Mume flower contact, 5, vacuum interrupter, 6, insulation drawing
Bar, 7, epoxy resin skirt border structure, 8, pole skirt border structure.
Specific embodiment
Specific embodiment of the present utility model is made into one by the description to optimum embodiment below against attached drawing
Step detailed description.
As shown in Figures 1 and 2, this kind of indoor high-voltage vacuum circuit breaker, the operating mechanism 1 including breaker, including pour
Epoxy resin pole 2 outside main conductive circuit, epoxy resin pole 2 are fixed on the side of operating mechanism 1
On end；Epoxy resin pole 2 is connect with 3 one end of contact arm, and the other end of contact arm 3 is connect with Mume flower contact 4；3 surface of contact arm
Equipped with epoxy resin layer；It constitutes and is equipped with epoxy resin skirt border structure 7 outside the insulated pull rod 6 of main conductive circuit.Epoxy resin is solid
Sealed pole 2 is fixedly mounted on the end face of operating mechanism 1 of breaker with soket head cap screw, and soket head cap screw is M10*25 spiral shell
Nail；The contact arm 3 that epoxy resin coating processing is crossed is mounted on epoxy resin pole 2, and passes through the interior hexagonal spiral shell of M16*25
Nail is fixed.
Epoxy resin pole 2 main conductive circuits will pour together including vacuum interrupter 5 etc., i.e. main conductive circuit
Using pole structure, by vacuum interrupter 5, leading electrical components, insulating supporting organic assembling at integrated solid sealed pole, sealing
Pole column structure is made of epoxy resin, improves the dielectric level of breaker.3 surface of contact arm is equipped with epoxy resin layer, i.e. contact arm 3
Epoxy resin coating processing is carried out, the dielectric level of breaker is improved.For insulated pull rod 6 using band skirt border structure, insulated pull rod 6 is solid
It is enclosed in epoxy resin pole 2, skirt border structure is made of epoxy resin, improves the dielectric level of breaker.By more
The improvement of kind structure, improves the dielectric level of high-pressure vacuum breaker, improves the reliability of breaker, to meet the exhausted of High aititude
Edge use demand.
The creepage distance of insulated pull rod 6 is 945mm.Namely make to be set in insulated pull rod 6 using band skirt insulated pull rod 6
Epoxy resin creepage distance increase to 945mm.The dielectric level for further increasing breaker improves the reliability of breaker.
In the vertical direction the center on vacuum circuit breaker between the Mume flower contact 4 on top and the Mume flower contact 4 of lower part away from for
472mm；4 ground clearance of Mume flower contact of vacuum circuit breaker top and the bottom is 465mm；In the horizontal direction vacuum circuit breaker three-phase it
Between Mume flower contact 4 phase spacing be 440mm.The center of Mume flower contact 4 is 472mm, the Mume flower contact 4 of lower part away from (interpolar away from)
465mm is increased to ground distance, the phase spacing between three-phase is 440mm.The dielectric level of breaker is further increased, is improved
The reliability of breaker.
Pole skirt border structure 8 is equipped with outside epoxy resin pole 2.The interpolar of epoxy resin pole 2 is climbed
Electrical distance 1195mm, over the ground creepage distance 877mm.The structure of epoxy resin pole 2, creepage distance is big, further increases
The dielectric level of breaker improves the reliability of breaker.
The operating voltage of vacuum circuit breaker is 35kV.This kind of indoor high-voltage vacuum circuit breaker, operating voltage 35kV are used
For pole by main conductive circuit sealing in epoxy resin, the center of upper and lower contact increases to 472mm, three-phase away from (interpolar away from)
Between phase spacing be 440mm, lower 4 distance to the ground of Mume flower contact increases to 465mm, meets breaker exhausted under high altitude condition
Edge is horizontal, improves the stability of breaker operator.Pole band skirt, creepage distance is big, interpolar creepage distance 1195mm,
Creepage distance 877mm over the ground, and use creepage distance for the insulated pull rod 6 of 945mm, 6 sealing of insulated pull rod in pole,
1min industrial frequency withstand voltage in this way can achieve 132kV, can satisfy the insulating requirements under the conditions of High aititude (3500m or more).
When breaker, which runs local height above sea level, is more than 1000 meters, using formula: K==1/ (1.1-H*0.0001),
Breaker industrial frequency withstand voltage=95*K (for industrial frequency withstand voltage correction factor, the height above sea level at scene is run for breaker).Breaker
Resistance test is detected according to revised numerical value, and breaker meets resistance to pressure request.
The utility model is by using pole structure, improvement insulated pull rod 6 and contact arm 3, going forward side by side to existing breaker
One step improves the distance between the three-phase of the center between the upper and lower of Mume flower contact 4 away from, breaker, epoxy resin pole 2 and absolutely
A series of schemes such as the creepage distance of edge pull rod 6, the raising for keeping the dielectric level of breaker very big, improve breaker in height
Reliability of operation under the conditions of height above sea level (3500m or more) meets the use demand under high altitude condition.
Obvious the utility model specific implementation is not subject to the restrictions described above, as long as the method for using the utility model
The improvement for the various unsubstantialities that conception and technical scheme carry out, both is within the protection scope of the present invention.
Claims (6)
1. a kind of indoor high-voltage vacuum circuit breaker, including operating mechanism, it is characterised in that: including being cast in outside main conductive circuit
Epoxy resin pole, the epoxy resin pole is fixed on the side upper end of circuit breaker operation mechanism；It is described
Epoxy resin pole is connect with contact arm one end, and the other end of the contact arm is connect with Mume flower contact；The contact arm surface is set
There is epoxy resin layer；It constitutes and is equipped with epoxy resin skirt border structure outside the insulated pull rod of the main conductive circuit.
2. indoor high-voltage vacuum circuit breaker as described in claim 1, it is characterised in that: the creepage distance of the insulated pull rod is
945mm。
3. indoor high-voltage vacuum circuit breaker as described in claim 1, it is characterised in that: in the vertical direction on vacuum circuit breaker
Center between the Mume flower contact in portion and the Mume flower contact of lower part is away from for 472mm；The Mume flower contact of vacuum circuit breaker lower part is liftoff away from
From for 465mm；The phase spacing of the Mume flower contact between vacuum circuit breaker three-phase is 440mm in the horizontal direction.
4. indoor high-voltage vacuum circuit breaker as described in claim 1, it is characterised in that: be equipped with skirt outside the pole
Structure.
5. indoor high-voltage vacuum circuit breaker as claimed in claim 4, it is characterised in that: the interpolar of the pole climb electricity away from
From 1195mm, creepage distance 877mm over the ground.
6. indoor high-voltage vacuum circuit breaker as described in any one in claim 1-5, it is characterised in that: the work of vacuum circuit breaker
Voltage is 35kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822220028.2U CN209087692U (en) | 2018-12-27 | 2018-12-27 | A kind of indoor high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822220028.2U CN209087692U (en) | 2018-12-27 | 2018-12-27 | A kind of indoor high-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209087692U true CN209087692U (en) | 2019-07-09 |
Family
ID=67127508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822220028.2U Active CN209087692U (en) | 2018-12-27 | 2018-12-27 | A kind of indoor high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209087692U (en) |
-
2018
- 2018-12-27 CN CN201822220028.2U patent/CN209087692U/en active Active
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