CN205542567U - Outdoor vacuum load switch - Google Patents
Outdoor vacuum load switch Download PDFInfo
- Publication number
- CN205542567U CN205542567U CN201620390924.1U CN201620390924U CN205542567U CN 205542567 U CN205542567 U CN 205542567U CN 201620390924 U CN201620390924 U CN 201620390924U CN 205542567 U CN205542567 U CN 205542567U
- Authority
- CN
- China
- Prior art keywords
- casing
- main circuit
- load switch
- switch
- housing
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an outdoor vacuum load switch, a serial communication port, including the casing, inside main circuit and the operating device of casing, main circuit connection part, casing upper portion is provided with hoisting accessory, hoisting accessory is connected through loose joint bolt and casing, the casing outside rear side with operating handle that operating device is connected. The casing is a sealed box, comprises case lid, box and mechanism's cover to have reliable seal structure, the sealed department of switch has a membrane of compriseing rain -proof packing ring and " zero " shape sealing washer to seal the structure. Insulating barrier is equipped with between the alternate and relative casing, the inside SF6 gas that is filled with as insulating medium of casing. The main circuit comprises vacuum interrupter who cut -offs three phase current and the isolation port of establishing ties with it. The utility model discloses an insulating medium is made to vacuum arc -extinguishing, SF6 gas, is a simple structure, and water -proof effects is good, and insulating properties is good, need not to safeguard, the arc extinguishing can the reinforce, safe and reliable's outdoor load switch.
Description
Technical field
This utility model relates to a kind of switching technique field, particularly to a kind of outdoor vacuum load switch.
Background technology
The working condition of outdoor load switch is severe, and long-term work, can in the environment of high temperature and rainwater
Damaging the insulation of on-load switch or cause rainwater to invade, there is potential safety hazard in line security.Meanwhile,
When disjunction circuit, on-load switch isolated port is likely to occur arcing, causes on-load switch disjunction failure.
To this end, a kind of simple in construction, good water-proof effect, good insulation preformance, it is not necessary to safeguarding, arc extinguishing ability is strong,
Safe and reliable outdoor load switch is urgently researched and developed.
Utility model content
In order to overcome the deficiency of existing research, this utility model patent provides a kind of outdoor vacuum load
Switch.This on-load switch uses vacuum extinction, SF6 gas to make dielectric, is a kind of simple in construction,
Good water-proof effect, good insulation preformance, it is not necessary to safeguard, arc extinguishing ability is strong, safe and reliable outdoor load
Switch.
For realizing above-mentioned functions, above-mentioned technical problem of the present utility model is mainly by following technical side
Case is addressed:
The utility model discloses a kind of outdoor vacuum load switch, including housing, the master of enclosure interior
Circuit and operating mechanism, main circuit coupling part, housing upper is provided with boom hoisting, boom hoisting
Being connected with housing by loose joint bolt, operation handle is arranged on hull outside, operation middle handle with under
The vacuum interrupter operation shaft insulation that literary composition is mentioned connects.
Described housing is a casing sealed, case lid, casing and mechanism cover and form, and have reliable
Sealing structure, the film being made up of rainproof packing ring and "○" shape sealing ring by switch seal envelope
Structure.
It is filled with as dielectric equipped with insulating barrier, enclosure interior between described alternate and relative housing
SF6Gas.
Described main circuit is by cut-offfing the vacuum interrupter of three-phase current and isolated port group connected in series
Become.
Described main circuit coupling part includes, isolation end insulator cable assembling, current transformer, isolation
Fracture operation shaft insulation, vacuum interrupter operation shaft insulation, interrupting porcelain insulator cable assemble.
Described isolation end insulator cable assembles one end and is connected with three-phase main circuit current, each phase main circuit
Having installed current transformer, the other end is connected with isolated port, the isolated port other end and isolated port
Operation shaft insulation connects, and the isolated port operation shaft insulation other end operates shaft insulation with vacuum interrupter end
Connecting, the vacuum interrupter end operation shaft insulation other end is connected with vacuum interrupter, and vacuum interrupter is another
One end and arc-chutes end insulator cable assembly and connection, arc-chutes end insulator cable assembles another and terminates main electricity
Road three-phase current outlet.
Described operating mechanism has automatic manipulation mechanism and manual-operating mechanism.
Described operating mechanism is respectively acting on described isolation end shaft insulation and described vacuum interrupter end
Shaft insulation.
Further, described main circuit be connected by mold tapered sleeve pipe or epoxy resin external application silicon rubber
Gum cover pipe.
Further, described boom hoisting it is attached with bolt, nut, link plate and moves socket empty.
Further, overvoltage protection made by each phase in the both sides of described on-load switch installing spark gap.
Further, described on-load switch is with the control cable socket connecting external equipment.
The beneficial effects of the utility model:
1, use vacuum extinction, SF6 gas-insulated, have in switch be in series with vacuum interrupter every
Detachment mouth, arc extinction performance and pressure superior performance.
2, non-maintaining: the major loop of switch and operating mechanism are all sealed in the casing that SF6 gas is medium
In；The major loop of switch uses end to draw or uses and molds tapered sleeve pipe, or uses epoxy resin
External application silicone rubber sleeve.
3, without checking, maintaining: have complete rain-proof structure, in order to ensure do not have during life-time service
Moisture content, inside rainwater access switch.Live part and operating mechanism are within sealing container, no
By external environment influence.The vacuum extinction that electric arc is closed in sealing is indoor, switch internal is pollution-free source,
Therefore this on-load switch run duration service free and maintenance.
4, owing to using zero gauge pressure SF6 gas-insulated, make volume of switch exquisiteness compact, the most to the greatest extent may be used simultaneously
It is avoided that gas leakage hidden danger.There is manual/auto operation, make switching manipulation flexible.Join Electromagnetically-operating machine
Structure, electricity keeps.Electricity is had to close, dead electricity separating brake, simple and reliable for structure.
5, safe and reliable: SF6 gas inflated pressure is zero gauge pressure, is not likely to produce leakage, the closeest
Encapsulation technique, makes the gas in switch can ensure normally work in 20 years.Achieve non-oil ultra high vacuum system, without fire,
Run fool proof.
6. there is automatization's distribution interface: the current transformer of various no-load voltage ratio can be equipped with, be used for measuring and protecting
Protect and measure, and be equipped with telemechanical auxiliary contact.
7, possessing fault detection capability, protection controls function and communication function, is installed on 10KV and makes somebody a mere figurehead
On circuit, can realize automatically excising singlephase earth fault and automatism isolation phase fault.Mount point
It is applicable at the responsibility separation of 10KV distribution line subscriber's drop, it is also possible to be adapted to conform with requirement
Branch line junction.The quick fault point of automatic blocking phase fault excises single-phase earthing automatically
Fault.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below
The accompanying drawing used required in embodiment or description of the prior art will be briefly described, it is clear that
Ground, the accompanying drawing in describing below is only embodiments more of the present utility model, common for this area
From the point of view of technical staff, on the premise of not paying creative work, it is also possible to obtain according to these accompanying drawings
Other accompanying drawing.
Fig. 1 is a kind of outdoor vacuum load switch structure front view described in the utility model.
Fig. 2 is a kind of outdoor vacuum load switch structure top view described in the utility model.
In the drawings: 1, isolation end insulator cable assembles；2, current transformer；3, isolated port；4、
Isolated port operation shaft insulation；5, vacuum interrupter end operation shaft insulation；6, boom hoisting；7、
Housing；8, vacuum interrupter；9, arc-chutes end insulator cable assembles；10, operating mechanism；11、
Operation handle.
Detailed description of the invention
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail, so that this practicality
Novel advantage and feature can be easier to be readily appreciated by one skilled in the art, thus to of the present utility model
Protection domain makes apparent clear and definite defining.
As shown in Figure 1 and Figure 2, the utility model discloses a kind of outdoor vacuum load switch, including shell
Body 7, the main circuit within housing 7 and operating mechanism 10, main circuit coupling part, housing 7 top
Being provided with boom hoisting 7, boom hoisting 7 is connected with housing 7 by loose joint bolt, operates handle 11
It is arranged on housing 7 outside, with the vacuum interrupter operation shaft insulation being mentioned below in the middle part of operation handle 11
5 connect.
Described housing 7 is a casing sealed, case lid, casing and mechanism cover and form, and have can
The sealing structure leaned on, by a film being made up of rainproof packing ring and "○" shape sealing ring at switch seal
Seal structure.
Equipped with insulating barrier between described alternate and relative housing 7, enclosure interior is filled with and is situated between as insulation
The SF of matter6Gas.
Described main circuit is by cut-offfing the vacuum interrupter 8 of three-phase current and isolated port 3 connected in series
Composition.
Described main circuit coupling part includes, isolation end insulator cable assemble 1, current transformer 2, every
Detachment mouth operation shaft insulation 4, vacuum interrupter operation shaft insulation 5, interrupting porcelain insulator cable assemble 9.
Described isolation end insulator cable assembles 1 one end and is connected with three-phase main circuit current, each mutually main electricity
Current transformer 2 has been installed on road, and the other end is connected with isolated port 3, isolated port 3 other end with every
Connect from port operation shaft insulation 4, isolated port operation shaft insulation 4 other end and vacuum interrupter end
Operation shaft insulation 5 connects, and vacuum interrupter end operation shaft insulation 5 other end is with vacuum interrupter 8 even
Connecing, vacuum interrupter 8 other end assembles 9 with arc-chutes end insulator cable and is connected, arc-chutes end insulator
Cable assembles 9 another termination main circuit three-phase current outlets.
Described operating mechanism 10 has automatic manipulation mechanism and manual-operating mechanism.
Described operating mechanism 10 is respectively acting on described isolation end shaft insulation 4 and described vacuum extinction
Room end shaft insulation 5.
Further, described main circuit be connected by mold tapered sleeve pipe or epoxy resin external application silicon rubber
Gum cover pipe.
Further, described boom hoisting 7 is attached with bolt, nut, link plate and moves socket empty.
Further, overvoltage protection made by each phase in the both sides of described on-load switch installing spark gap.
Further, described on-load switch is with the control cable socket connecting external equipment.
The beneficial effects of the utility model:
1, use vacuum extinction, SF6 gas-insulated, have in switch be in series with vacuum interrupter every
Detachment mouth, arc extinction performance and pressure superior performance.
2, non-maintaining: the major loop of switch and operating mechanism are all sealed in the casing that SF6 gas is medium
In；The major loop of switch uses end to draw or uses and molds tapered sleeve pipe, or uses epoxy resin
External application silicone rubber sleeve.
3, without checking, maintaining: have complete rain-proof structure, in order to ensure do not have during life-time service
Moisture content, inside rainwater access switch.Live part and operating mechanism are within sealing container, no
By external environment influence.The vacuum extinction that electric arc is closed in sealing is indoor, switch internal is pollution-free source,
Therefore this on-load switch run duration service free and maintenance.
4, owing to using zero gauge pressure SF6 gas-insulated, make volume of switch exquisiteness compact, the most to the greatest extent may be used simultaneously
It is avoided that gas leakage hidden danger.There is manual/auto operation, make switching manipulation flexible.Join Electromagnetically-operating machine
Structure, electricity keeps.Electricity is had to close, dead electricity separating brake, simple and reliable for structure.
5, safe and reliable: SF6 gas inflated pressure is zero gauge pressure, is not likely to produce leakage, the closeest
Encapsulation technique, makes the gas in switch can ensure normally work in 20 years.Achieve non-oil ultra high vacuum system, without fire,
Run fool proof.
6. there is automatization's distribution interface: the current transformer of various no-load voltage ratio can be equipped with, be used for measuring and protecting
Protect and measure, and be equipped with telemechanical auxiliary contact.
7, possessing fault detection capability, protection controls function and communication function, is installed on 10KV and makes somebody a mere figurehead
On circuit, can realize automatically excising singlephase earth fault and automatism isolation phase fault.Mount point
It is applicable at the responsibility separation of 10KV distribution line subscriber's drop, it is also possible to be adapted to conform with requirement
Branch line junction.The quick fault point of automatic blocking phase fault excises single-phase earthing automatically
Fault.
The above, detailed description of the invention the most of the present utility model, but protection model of the present utility model
Enclose and be not limited thereto, any change expected without creative work or replacement, all should contain
Within protection domain of the present utility model.Therefore, protection domain of the present utility model should be wanted with right
The protection domain asking book to be limited is as the criterion.
Claims (6)
1. an outdoor vacuum load switch, it is characterised in that include housing (7), housing (7)
Internal main circuit and operating mechanism (10), main circuit coupling part, housing (7) top is provided with
Boom hoisting (7), boom hoisting (7) is connected with housing (7) by loose joint bolt, operates handle
(11) housing (7) it is arranged on outside, operation handle (11) middle part and vacuum interrupter operation insulation
Axle (5) connects；
Described housing (7) is a casing sealed, case lid, casing and mechanism cover and form, and have
Seal structure；
It is filled with as dielectric equipped with insulating barrier, enclosure interior between alternate and relative housing (7)
SF6Gas；
Described main circuit is by cut-offfing the vacuum interrupter (8) of three-phase current and isolated port connected in series
(3) composition；
Described main circuit coupling part includes, isolation end insulator cable assembling (1), current transformer (2),
Isolation fracture operation shaft insulation (4), vacuum interrupter operation shaft insulation (5), interrupting porcelain insulator cable
Assemble (9)；
Isolation end insulator cable assembles (1) one end and is connected with three-phase main circuit current, each phase main circuit
Having installed current transformer (2), the other end is connected with isolated port (3), and isolated port (3) is another
One end is connected with isolated port operation shaft insulation (4), isolated port operation shaft insulation (4) other end
Being connected with vacuum interrupter end operation shaft insulation (5), vacuum interrupter end operation shaft insulation (5) is another
One end is connected with vacuum interrupter (8), vacuum interrupter (8) other end and arc-chutes end insulator electricity
Cable assembles (9) and connects, and arc-chutes end insulator cable assembles (9) another termination main circuit three-phase current
Outlet；
Described operating mechanism (10) has automatic manipulation mechanism and manual-operating mechanism；
Described operating mechanism (10) is respectively acting on described isolation end shaft insulation (4) and described true
Empty arc-chutes end shaft insulation (5).
A kind of outdoor vacuum load switch, the sealing structure of described casing
For at switch seal by a film seal structure being made up of rainproof packing ring and "○" shape sealing ring.
The most according to claim 1, a kind of outdoor vacuum load switch, the connection of described main circuit is adopted
With molding tapered sleeve pipe or epoxy resin external application silicone rubber sleeve.
A kind of outdoor vacuum load switch, it is characterised in that play lifting
Put and be attached with bolt, nut, link plate on (7) and move socket empty.
A kind of outdoor vacuum load switch, it is characterised in that described negative
Both sides each phase installing spark gap of lotus switch.
A kind of outdoor vacuum load switch, it is characterised in that described negative
Lotus switch is with the control cable socket connecting external equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390924.1U CN205542567U (en) | 2016-05-03 | 2016-05-03 | Outdoor vacuum load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390924.1U CN205542567U (en) | 2016-05-03 | 2016-05-03 | Outdoor vacuum load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205542567U true CN205542567U (en) | 2016-08-31 |
Family
ID=56795442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620390924.1U Expired - Fee Related CN205542567U (en) | 2016-05-03 | 2016-05-03 | Outdoor vacuum load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205542567U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464723A (en) * | 2017-09-21 | 2017-12-12 | 江苏南瑞帕威尔电气有限公司 | SF6 on-load switches on post |
| CN110690072A (en) * | 2019-08-29 | 2020-01-14 | 常德威迪电气有限责任公司 | Totally-enclosed high-safety common-compartment type circuit breaker |
| CN112233931A (en) * | 2020-09-23 | 2021-01-15 | 国网山东省电力公司潍坊供电公司 | Load switch device with PT (potential transformer) and installation construction method |
-
2016
- 2016-05-03 CN CN201620390924.1U patent/CN205542567U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464723A (en) * | 2017-09-21 | 2017-12-12 | 江苏南瑞帕威尔电气有限公司 | SF6 on-load switches on post |
| CN110690072A (en) * | 2019-08-29 | 2020-01-14 | 常德威迪电气有限责任公司 | Totally-enclosed high-safety common-compartment type circuit breaker |
| CN112233931A (en) * | 2020-09-23 | 2021-01-15 | 国网山东省电力公司潍坊供电公司 | Load switch device with PT (potential transformer) and installation construction method |
| CN112233931B (en) * | 2020-09-23 | 2023-09-29 | 国网山东省电力公司潍坊供电公司 | Load switch device with PT and installation construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170503 |