CN204834490U - Outdoor interchange high pressure vacuum circuit breaker - Google Patents
Outdoor interchange high pressure vacuum circuit breaker Download PDFInfo
- Publication number
- CN204834490U CN204834490U CN201520622640.6U CN201520622640U CN204834490U CN 204834490 U CN204834490 U CN 204834490U CN 201520622640 U CN201520622640 U CN 201520622640U CN 204834490 U CN204834490 U CN 204834490U
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- Prior art keywords
- tube
- circuit breaker
- vacuum circuit
- vacuum
- inlet wire
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- Expired - Fee Related
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses an outdoor interchange high pressure vacuum circuit breaker installs vacuum tube, current transformer, voltage transformer, inlet wire insulating tube, the insulating tube of being qualified for the next round of competitions in the casing, the inlet wire insulating tube and the vertical installation of insulating tube of being qualified for the next round of competitions, and the inlet wire conducting rod in the vacuum tube horizontal installation, inlet wire insulating tube is connected with the quiet end of vacuum tube, and the conducting rod of being qualified for the next round of competitions in the insulating tube of being qualified for the next round of competitions moves the end with the vacuum tube to be connected, and it has inert gas to be full of in the cavity in the casing, and the casing is made by epoxy. The utility model discloses can prevent that inlet wire conducting rod and be qualified for the next round of competitions conducting rod oxidation and ability snap judgments from going out to receive the vacuum circuit breaker of damage to can improve vacuum circuit breaker security and the interior electric elements of protection vacuum circuit breaker.
Description
Technical field
The utility model relates to electric field, refers to a kind of outdoor AC high-voltage vacuum circuit breaker especially.
Background technology
Outdoor AC high-voltage vacuum circuit breaker is gained the name because the dielectric of contact gap after its arc-extinguishing medium and arc extinguishing is all high vacuum; It has volume little, lightweight, be applicable to frequent operation, advantage that arc extinguishing need not overhaul, apply comparatively universal in power distribution network, especially pole type vacuum circuit breaker is subject to user especially and payes attention to.
Because outdoor AC high-voltage vacuum circuit breaker is arranged on open air, easily produce dew condensation phenomenon, there is very large potential safety hazard.In addition, in pole, moving conductive rod and static conductive rod are that metal is formed, and also there is problem of oxidation, once pole shell, moving conductive rod and static conductive rod are subject to being oxidized the useful life being easy to affect vacuum circuit-breaker.In addition, when night keeps in repair, operating personnel are difficult to pick out which vacuum circuit-breaker and break down, and how can judge in several vacuum circuit-breakers that the vacuum circuit-breaker damaged just has become a difficult problem fast.
Utility model content
In view of this; the utility model proposes a kind of outdoor AC high-voltage vacuum circuit breaker; inlet wire conducting rod and outlet conductive pole oxidation can be prevented and the vacuum circuit-breaker that is damaged can be judged fast, and the problem of electric component in vacuum circuit-breaker fail safe and protection vacuum circuit-breaker can be improved.
On the one hand, the utility model provides a kind of outdoor AC high-voltage vacuum circuit breaker, vacuum tube, current transformer, voltage transformer, inlet wire insulated tube, outlet insulated tube are installed in housing, inlet wire insulated tube and outlet insulated tube are vertically installed, vacuum tube level is installed, and the inlet wire conducting rod in inlet wire insulated tube is connected with the quiet end of vacuum tube, and the outlet conductive pole in outlet insulated tube is connected with vacuum tube moved end, be filled with inert gas in cavity in housing, housing is made up of epoxy resin.
Further, housing is provided with the pressure sensor for detecting housing internal pressure.
Further, housing is provided with pressure warning unit, pressure warning unit is connected with pressure sensor.
Further, the end of incoming cables of current transformer is connected with the quiet end of vacuum tube, and the leading-out terminal of current transformer is connected with the end of incoming cables of voltage transformer, and the leading-out terminal of voltage transformer is connected with vacuum tube moved end.
Further, in housing, be provided with operating mechanism, operating mechanism is connected with vacuum tube moved end.
Further, inert gas is neon or sulphur hexafluoride.
A kind of outdoor AC high-voltage vacuum circuit breaker that the utility model provides, housing, by epoxy resin, improves insulating properties and fail safe.In addition, also to have light transmission good for epoxy resin.
The air of the inside can be discharged after inert gas enters chamber, because the extremely inactive chemical property of inert gas can protect inlet wire conducting rod, outlet conductive pole and shell not oxidated; Protect the electric component in housing.
In addition, during inert gas energising can luminous and epoxy resin also to have light transmission good.Utilize this characteristic, when inert gas enter chamber contact with outlet conductive pole after electrified light emitting, light can pass through housing, play the effect of indicator light, when vacuum circuit-breaker damages disconnection, vacuum circuit-breaker is not charged, inert gas also just stops luminescence, maintenance personal can phenomenon whereby, and namely not luminous this vacuum circuit-breaker of explanation of vacuum circuit-breaker damages, thus can keep in repair rapidly, exactly.
In further technical scheme, in housing, pressure sensor is installed, housing internal pressure situation of change is detected by pressure sensor, vacuum degree situation in vacuum tube can be predicted, if the vacuum degree in vacuum tube declines, pressure in housing can decline, and can judge vacuum tube quality by this signal.In addition, also have warning function, when the pressure that pressure sensor detects is lower than preset value, pressure warning unit can send alarm signal.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the utility model outdoor AC high-voltage vacuum circuit breaker structural representation;
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As described in Figure 1, the preferred a kind of outdoor AC high-voltage vacuum circuit breaker of the utility model, vacuum tube 2, current transformer 3, voltage transformer 4, inlet wire insulated tube 6, outlet insulated tube 7 are installed in housing 1, inlet wire insulated tube 6 and outlet insulated tube 7 are vertically installed, vacuum tube 2 level is installed, inlet wire conducting rod in inlet wire insulated tube 6 is connected with the quiet end of vacuum tube 2, and the outlet conductive pole in outlet insulated tube 7 is connected with vacuum tube 2 moved end.The end of incoming cables of current transformer 3 is connected with the quiet end of vacuum tube 2, and the leading-out terminal of current transformer 3 is connected with the end of incoming cables of voltage transformer 4, and the leading-out terminal of voltage transformer 4 is connected with vacuum tube 2 moved end.
Housing 1 arranges the inert gas plenum mouth with chamber, and can pass into inert gas by this inert gas plenum mouth in chamber, inert gas is preferably neon, also can adopt the inert gas of other type.Housing 1 is made up of epoxy resin, improves insulating properties and fail safe.In addition, also to have light transmission good for epoxy resin.
The air of the inside can be discharged after inert gas enters chamber, because the extremely inactive chemical property of inert gas can protect inlet wire conducting rod, outlet conductive pole and housing 1 not oxidated; In addition, can be luminous during inert gas energising, utilize this characteristic, when inert gas enter chamber contact with outlet conductive pole after electrified light emitting, light can pass through housing 1, play the effect of indicator light, when vacuum circuit-breaker damages disconnection, vacuum circuit-breaker is not charged, inert gas also just stops luminescence, maintenance personal can phenomenon whereby, and namely not luminous this vacuum circuit-breaker of explanation of vacuum circuit-breaker damages, thus can keep in repair rapidly, exactly.
In addition, neon is a kind of colourless, odorless, noninflammable rare gas, highly stable, does not burn, also not combustion-supporting.The conductivity of neon is 75 times of air, and neon is energized under vacuo and can glows.The ruddiness of neon lamp injection, mist transmitting is strong, and in air, transmission power is very strong, can pass thick fog.Therefore, maintenance personal can be damaged by not luminous this vacuum circuit-breaker of judgement of vacuum circuit-breaker, thus can keep in repair rapidly, exactly.Sulphur hexafluoride is a kind of artificial inert gas, has good electrical insulation properties and the arc extinction performance of excellence.Its electric strength is 2.5 times of nitrogen under same pressure, and puncture voltage is 2.5 times of air, and arc extinguishing ability is 100 times of air, is a kind of superhigh pressure insulating dielectric materials of new generation be better than between air and oil.
Housing 1 is provided with the pressure sensor 5 for detecting housing 1 internal pressure.Detect housing 1 internal pressure situation of change by pressure sensor 5, can predict vacuum degree situation in vacuum tube 2, if the vacuum degree in vacuum tube 2 declines, the pressure in housing 1 can decline, and can judge vacuum tube 2 quality by this signal.In addition, housing 1 is provided with pressure warning unit (not shown), pressure warning unit is connected with pressure sensor 5.When the pressure that pressure sensor 5 detects is lower than preset value, pressure warning unit can send alarm signal.
The end of incoming cables of current transformer 3 is connected with the quiet end of vacuum tube 2, and the leading-out terminal of current transformer 3 is connected with the end of incoming cables of voltage transformer 4, and the leading-out terminal of voltage transformer 4 is connected with vacuum tube 2 moved end.
In addition, in housing 1, be provided with operating mechanism, operating mechanism is connected with vacuum tube 2 moved end.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. an outdoor AC high-voltage vacuum circuit breaker, vacuum tube (2) is installed in housing (1), current transformer (3), voltage transformer (4), inlet wire insulated tube (6), outlet insulated tube (7), inlet wire insulated tube (6) and outlet insulated tube (7) are vertically installed, vacuum tube (2) level is installed, inlet wire conducting rod in inlet wire insulated tube (6) is connected with vacuum tube (2) quiet end, outlet conductive pole in outlet insulated tube (7) is connected with vacuum tube (2) moved end, it is characterized in that, inert gas is filled with in cavity in housing (1), housing (1) is made up of epoxy resin.
2. outdoor AC high-voltage vacuum circuit breaker according to claim 1, is characterized in that, housing (1) is provided with the pressure sensor (5) for detecting housing (1) internal pressure.
3. outdoor AC high-voltage vacuum circuit breaker according to claim 2, is characterized in that, housing (1) is provided with pressure warning unit, and pressure warning unit is connected with pressure sensor (5).
4. the outdoor AC high-voltage vacuum circuit breaker according to claims 1 to 3 any one, it is characterized in that, the end of incoming cables of current transformer (3) is connected with vacuum tube (2) quiet end, the leading-out terminal of current transformer (3) is connected with the end of incoming cables of voltage transformer (4), and the leading-out terminal of voltage transformer (4) is connected with vacuum tube (2) moved end.
5. outdoor AC high-voltage vacuum circuit breaker according to claim 4, is characterized in that, in housing (1), be provided with operating mechanism, and operating mechanism is connected with vacuum tube (2) moved end.
6. the outdoor AC high-voltage vacuum circuit breaker according to claims 1 to 3 any one, is characterized in that, inert gas is neon or sulphur hexafluoride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520622640.6U CN204834490U (en) | 2015-08-18 | 2015-08-18 | Outdoor interchange high pressure vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520622640.6U CN204834490U (en) | 2015-08-18 | 2015-08-18 | Outdoor interchange high pressure vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204834490U true CN204834490U (en) | 2015-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520622640.6U Expired - Fee Related CN204834490U (en) | 2015-08-18 | 2015-08-18 | Outdoor interchange high pressure vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204834490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111128593A (en) * | 2020-01-03 | 2020-05-08 | 云南电网有限责任公司电力科学研究院 | High-altitude pole-mounted vacuum circuit breaker |
-
2015
- 2015-08-18 CN CN201520622640.6U patent/CN204834490U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111128593A (en) * | 2020-01-03 | 2020-05-08 | 云南电网有限责任公司电力科学研究院 | High-altitude pole-mounted vacuum circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Guan Feng Lu middle Jiangxia Hidden Dragon Island Technology Park in Hubei province Wuhan city Jiangxia District 430205 Patentee after: Hubei Huayi Electric Co., Ltd. Address before: Guan Feng Lu middle Jiangxia Hidden Dragon Island Technology Park in Hubei province Wuhan city Jiangxia District 430205 Patentee before: HUBEI CHINA, ELECTRIC GROUP |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20180818 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |