CN207441520U - A kind of arc-control device for portable single-phase air bypass switch - Google Patents
A kind of arc-control device for portable single-phase air bypass switch Download PDFInfo
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- CN207441520U CN207441520U CN201721580879.7U CN201721580879U CN207441520U CN 207441520 U CN207441520 U CN 207441520U CN 201721580879 U CN201721580879 U CN 201721580879U CN 207441520 U CN207441520 U CN 207441520U
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- small axis
- moving contact
- static contact
- air
- arc
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Abstract
A kind of arc-control device for portable single-phase air bypass switch including aluminium casings and is arranged in aluminium casings：Static contact (4), the moving contact (5) above static contact (4), the small axis (1) being connected with moving contact (5) below moving contact (5), the elastic component (2) for being arranged at small axis (1) bottom are provided with exhaust ring (3) on small axis (1)；When switching combined floodgate, moving contact (5) is engaged with static contact (4), elastic component (2) is compressed, and static contact (4), moving contact (5), small axis (1), aluminium casings, exhaust ring (3) are enclosed air memory block (100) jointly；When switching separating brake, moving contact (5) is separated with static contact (4), elastic component (2) promotes small axis (1) to move upwards, and realization air-flow arc extinguishing is discharged upwards so as to which exhaust ring (3) be driven to move upwards compress and pass through the stomata of static contact (4) air in air memory block (100).
Description
Technical field
The utility model is related to electrical network field more particularly to a kind of interrupter cartridges for portable single-phase air bypass switch
It puts.
Background technology
Only by air blowout during the portable single-phase air bypass switch maintenance circuit designed at present, principle is when charged
During operation disconnecting non-loaded cable, since line capacitance generates change dramatically, if keeping the air gap, voltage if, can increase, when
When voltage is more than the ionization voltage of the air gap, air ionization will be made air become ion, then generate electric arc.It is so single
Mutually switch quick-make, interface resistance will not generate electric arc close to zero.The quick disjunction of single-phase switch, interface resistance are rapid
Becoming larger, voltage rise, electric arc generates, but since apart from becoming larger rapidly, line voltage distribution can not puncture at this time air insulation between contact
Contact between air insulation, arc extinction, although this can realize arc extinguishing, arc quenching effect is not good enough, and reliability is not high, peace
Full property is also inadequate.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of the prior art, provides a kind of for just
Take the arc-control device of the single-phase air bypass switch of formula.
Technical solution is used by the utility model solves its technical problem：Construction is a kind of to be used for portable single-phase air
The arc-control device of by-pass switch including aluminium casings and is arranged in aluminium casings：Static contact, above static contact
Moving contact, the small axis being connected with moving contact below moving contact, the elastic component for being arranged at small axis bottom are set on the small axis
It is equipped with exhaust ring；
When switching combined floodgate, moving contact is engaged with static contact, and elastic component is compressed, static contact, moving contact, small axis, aluminum
Casing, exhaust ring are enclosed air memory block jointly；When switching separating brake, moving contact is separated with static contact, resilient element urges
Small axis moves upwards, so as to which exhaust ring be driven to move upwards the stomata for compressing and pass through static contact the air in air memory block
Air-flow arc extinguishing is realized in discharge upwards.
Described in the utility model in the arc-control device of portable single-phase air bypass switch, elastic component to be bullet
Spring.
Described in the utility model in the arc-control device of portable single-phase air bypass switch, small axis be in the form of a column and
Small axis periphery wall is provided with annular flange by bottom position, spring be placed on small axis positioned at annular flange section below and with
Annular flange abuts, and the upper section positioned at annular flange of small axis is cased with an axle sleeve, and exhaust ring is placed on outside small axis and is connected to
Between annular flange and axle sleeve.
Implement the arc-control device for portable single-phase air bypass switch of the utility model, have below beneficial to effect
Fruit：Air-blast effect can be increased using the utility model, it, will be in aluminium casings while electric arc is generated between dynamic/static contact
The air of air memory block compresses generation air-flow upwards, achievees the effect that air-flow puts out arc extinguishing, improves arc extinguishing reliability, enhancing inspection
Repair instrument safety in utilization.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiment of the utility model, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer：
Fig. 1 is that the preferred embodiment of the utility model is switching structure diagram when closing a floodgate；
Fig. 2 is structure diagram of the preferred embodiment of the utility model when switching separating brake.
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
It states.The exemplary embodiments of the utility model are given in attached drawing.But the utility model can in many different forms come in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is the public affairs made to the utility model
Open content more thorough and comprehensive.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.It is term as used herein " on ", " under ", " bottom " and similar
Statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood meaning of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
The defects of the utility model is directed to can only rely on the reliability of air blowout in the prior art, security is inadequate, carries
Go out to increase the thinking of air-blast, the total thinking of the utility model is：Exhaust ring is provided on small axis, so that switch closes
Lock when moving contact is engaged with static contact, forms air memory block above exhaust ring.When switch separating brake, moving contact and static contact
During separation, the small axis of resilient element urges moves upwards, will be in air memory block so as to which the exhaust ring on small axis be driven to move upwards
Air compress and pass through static contact stomata discharge upwards realize air-flow arc extinguishing.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
It states technical solution to be described in detail, it should be understood that the specific features in the utility model embodiment and embodiment are to this
Apply for the detailed description of technical solution rather than the restriction to technical scheme, in the case where there is no conflict, this practicality
Technical characteristic in new embodiment and embodiment can be mutually combined.
With reference to figure 1, the arc-control device in preferred embodiment includes aluminium casings and is arranged in aluminium casings：Stationary contact
First 4, the moving contact 5 above static contact 4, positioned at the lower section of moving contact 5 the small axis 1 being connected with moving contact 5, be arranged at small axis
The elastic component 2 of 1 bottom is provided with exhaust ring 3 on the small axis 1.
Preferably, elastic component 2 is spring.
Specifically, small axis 1 is in the form of a column and small 1 periphery wall of axis is provided with annular flange 11 by bottom position, spring is placed on
The section below positioned at annular flange 11 of small axis 1, and spring top is abutted with annular flange 11, small axis 1 is located at convex annular
Be cased with an axle sleeve 6 outside the upper section of edge 11, exhaust ring 3 be placed on small axis 1 it is outer and be connected to annular flange 11 and axle sleeve 6 it
Between.
With reference to figure 1, when switching combined floodgate, moving contact 5 is closely engaged with static contact 4, and spring is compressed, and static contact 4 is moved and touched
First 5, small axis 1, aluminium casings, exhaust ring 3 are enclosed air memory block 100 jointly.
With reference to figure 2, when switching separating brake, moving contact 5 is separated with static contact 4, and spring promotes small axis 1 to move upwards, so as to
The exhaust ring 3 on small axis 1 is driven to move upwards, moving contact 5, small axis 1, aluminium casings, exhaust ring 3 are enclosed air pressure jointly
Contracting area 200, the air in Fig. 1 in air memory block 100 is compressed to the air compressional zone 200 in Fig. 2, and passes through static contact 4
Stomata discharge upwards, single-phase high-speed flow can be generated in aluminium casings, free electron is dispelled, and electric arc is cooled down,
Arc extinction is can speed up, so as to achieve the effect that air-flow arc extinguishing, the haircut in Fig. 2 illustrates air current flow direction.
In conclusion implementing the arc-control device for portable single-phase air bypass switch of the utility model, have with
Lower advantageous effect：Air-blast effect can be increased using the utility model, while electric arc is generated between dynamic/static contact, by aluminum
The air of air memory block in casing compresses generation air-flow upwards, achievees the effect that air-flow puts out arc extinguishing, it is reliable to improve arc extinguishing
Property, enhance service kit safety in utilization.
The embodiment of the utility model is described above in conjunction with attached drawing, but the utility model is not limited to
The specific embodiment stated, above-mentioned specific embodiment is only schematical rather than restricted, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, these are belonged within the protection of the utility model.
Claims (3)
1. a kind of arc-control device for portable single-phase air bypass switch, which is characterized in that including aluminium casings and set
It puts in aluminium casings：Static contact (4), the moving contact (5) above static contact (4), below moving contact (5) with
The small axis (1) of moving contact (5) connection is arranged at the elastic component (2) of small axis (1) bottom, and exhaust ring (3) is provided on small axis (1)；
When switching combined floodgate, moving contact (5) is engaged with static contact (4), and elastic component (2) is compressed, static contact (4), moving contact
(5), small axis (1), aluminium casings, exhaust ring (3) are enclosed air memory block (100) jointly；When switching separating brake, moving contact
(5) separated with static contact (4), elastic component (2) promotes small axis (1) to move upwards, so as to which exhaust ring (3) be driven to move upwards sky
Air in gas memory block (100) compress and pass through static contact (4) stomata discharge upwards realize air-flow arc extinguishing.
2. the arc-control device according to claim 1 for portable single-phase air bypass switch, which is characterized in that elastic component
(2) it is spring.
3. the arc-control device according to claim 2 for portable single-phase air bypass switch, which is characterized in that small axis (1)
It is in the form of a column and small axis (1) periphery wall is provided with annular flange (11) by bottom position, it is annular that spring is placed on being located at for small axis (1)
It the section below of flange (11) and is abutted with annular flange (11), the upper section set positioned at annular flange (11) of small axis (1)
There is an axle sleeve (6), exhaust ring (3) is placed on small axis (1) outside and is connected between annular flange (11) and axle sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721580879.7U CN207441520U (en) | 2017-11-23 | 2017-11-23 | A kind of arc-control device for portable single-phase air bypass switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721580879.7U CN207441520U (en) | 2017-11-23 | 2017-11-23 | A kind of arc-control device for portable single-phase air bypass switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441520U true CN207441520U (en) | 2018-06-01 |
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ID=62287170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721580879.7U Active CN207441520U (en) | 2017-11-23 | 2017-11-23 | A kind of arc-control device for portable single-phase air bypass switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207441520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233074A (en) * | 2018-03-05 | 2019-09-13 | 云南电网有限责任公司昭通供电局 | A kind of arc-control device for portable single-phase air bypass switch |
-
2017
- 2017-11-23 CN CN201721580879.7U patent/CN207441520U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233074A (en) * | 2018-03-05 | 2019-09-13 | 云南电网有限责任公司昭通供电局 | A kind of arc-control device for portable single-phase air bypass switch |
| CN110233074B (en) * | 2018-03-05 | 2021-08-20 | 云南电网有限责任公司昭通供电局 | Arc extinguishing device for portable single-phase air bypass switch |
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