CN201242969Y - Outdoor high-voltage SF6 can-type circuit breaker with automatic heat accompany device - Google Patents
Outdoor high-voltage SF6 can-type circuit breaker with automatic heat accompany device Download PDFInfo
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- CN201242969Y CN201242969Y CNU2008201504301U CN200820150430U CN201242969Y CN 201242969 Y CN201242969 Y CN 201242969Y CN U2008201504301 U CNU2008201504301 U CN U2008201504301U CN 200820150430 U CN200820150430 U CN 200820150430U CN 201242969 Y CN201242969 Y CN 201242969Y
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- breaker
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- thermic devices
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Abstract
The utility model relates to an outdoor high pressure SF6 pot type breaker provided with an automatic heat accompanying device, the Outdoor high pressure SF6 pot type breaker is provided with an existing breaker structure and is additionally provided with the automatic heat accompanying device; wherein, the automatic heat accompanying device comprises a pot type heat accompanying device, an energy storage cylinder heat accompanying device, a hydraulic mechanism box inner plate type heater, a first sensor, a first automatic temperature controller, a second sensor, a second automatic temperature controller, an explosion-proof power junction box, an air switch and a leakage protection switch; the heat accompanying device is a corrosion-proof explosion-proof tandem type electric heat belt, and comprises a tandem type electric heat belt, a water-proof layer, an insulation layer and protection layer; and the pot type heat accompanying device and the energy storage cylinder heat accompanying device are tightly fastened on an outer case of a breaker body and a hydraulic mechanism energy storage cylinder by steel clamp hoops. The outdoor high pressure SF6 pot type breaker has the advantages of solving the problem that sulfur hexafluoride gas is liquefied at low temperatures, solving the problem of safe use of the SF6 outdoor pot type breaker which works in conventional environment in severe cold districts, and effectively supporting the country, particularly electric network construction of large areas of the north east and the north west.
Description
[technical field]
The utility model relates to the electric switch technical field of electricity scope, is a kind of device that high-voltage switch gear is attached troops to a unit, and more particularly, is a kind of suiting at severe cold areas outdoor high-voltage SF6 potting breaker that use, that have automatic companion's thermic devices.
[background technology]
High-voltage switch gear is a kind of equipment that must use in the power grid construction.Because the geographical conditions of the four corners of the world are different, temperature, humidity, height above sea level have very big difference, and therefore, zones of different is different to the requirement of high-voltage switch gear.
At present, just be used in outdoor high-voltage sulfur hexafluoride gas (SF6) circuit breaker of extremely frigid zones (extreme minimum temperature can reach-30 ℃～-40 ℃), for preventing that its sulfur hexafluoride gas from liquefying at low temperatures, influence the arc extinguishing and the insulation property of high-voltage switch gear, the countermeasure that manufacturer and user take is normally: reduce the operating pressure of sulfur hexafluoride gas (SF6), perhaps use the mist of sulfur hexafluoride gas and nitrogen (N2).Though do the problem that can solve sulfur hexafluoride gas liquefaction like this, meanwhile, high-voltage switch gear must reduce its specified operation-current parameter, make the breaker body structure can't guarantee the circuit breaker versatility of using down with normal temperature structurally.
In addition, the hydraulic mechanism of circuit breaker adapted also can encounter problems at extremely frigid zones, because the energy-accumulating medium of hydraulic mechanism is nitrogen (N2), it can produce the variation of volume or pressure with variation of temperature, especially out of doors under the situation of Shi Yonging, day and night temperature is big, and hydraulic mechanism number of times may occur suppressing and surpass setting.
Above problem hides some dangers for all can for the security of operation of high voltage switchgear, brings great inconvenience for simultaneously user's regular maintenance, monitoring work, and therefore, taking practical measures to solve breaker apparatus is necessary in the problem of extremely frigid zones safe operation.
[utility model content]
The purpose of this utility model is to overcome the deficiencies in the prior art, for outdoor high-voltage SF6 potting breaker is equipped with a kind of automatic companion's thermic devices, the outdoor potting breaker of SF6 of work under the conventional environment can be used safely at extremely frigid zones (extreme minimum temperature can reach-30 ℃～-40 ℃).
For achieving the above object, the technical scheme taked of the utility model is:
A kind of outdoor high-voltage SF6 potting breaker with automatic companion's thermic devices, contain breaker body, circuit breaker tank body, hydraulic mechanism energy storage tube, hydraulic mechanism case, terminal box, air switch, earth leakage circuit-breaker, case inner heating device, it is characterized in that, be provided with automatic companion's thermic devices; Described automatic companion's thermic devices is accompanied by tank body that plate-type heater, first sensor, first automatic thermostat, second transducer, second automatic thermostat, explosion-proof electrical source terminal box, air switch, earth leakage circuit-breaker connect to form in thermic devices, energy storage tube companion thermic devices, the hydraulic mechanism case; Described tank body companion thermic devices is fixed on the shell of breaker body, is connected to the explosion-proof electrical source terminal box by the first sensor and first automatic thermostat; Described energy storage tube companion thermic devices is fixed on the shell of hydraulic mechanism energy storage tube, is connected to the explosion-proof electrical source terminal box by second transducer and second automatic thermostat.
Plate-type heater is two plate-type heater that are arranged in the hydraulic mechanism case in the described hydraulic mechanism case.
Described tank body companion thermic devices, energy storage tube companion hot charging are changed to anticorrosion explosion-proof tandem ribbon heater, are made of tandem ribbon heater, watertight composition, heat-insulation layer and protective layer.
Described tank body companion thermic devices uses the steel clamping band lock ring on the shell of breaker body.
Described energy storage tube companion thermic devices uses the steel clamping band lock ring on the shell of circuit breaker hydraulic mechanism energy storage tube.
Described two plate-type heater that are arranged in the hydraulic mechanism case are controlled by the 3rd automatic thermostat, the 4th automatic thermostat.
The utility model has the advantages that:
By on the high pressure SF6 potting breaker automatic companion's thermic devices being set out of doors, solved the problem that sulfur hexafluoride gas liquefies at low temperatures, solved the problem of the outdoor potting breaker of SF6 of work under the conventional environment in extremely frigid zones (30 ℃～-40 ℃) safe handling, make the normal operation that circuit breaker in the winter time can be safe and reliable, effectively supported country, especially the power grid construction of northeast, northwest wide geographic area.
[description of drawings]
Accompanying drawing 1 is the structural representation that the utlity model has the outdoor high-voltage SF6 potting breaker of automatic companion's thermic devices;
Accompanying drawing 2 is the structural representation of companion's thermic devices;
Accompanying drawing 3 is the circuit diagram of accompanying thermic devices automatically.
Label among the figure is respectively:
1, breaker body, 2, tank body companion thermic devices, 3, first sensor, 4, first automatic thermostat; 5, explosion-proof electrical source terminal box, 6, second automatic thermostat, 7, second transducer; 8, energy storage tube companion thermic devices, 9, the hydraulic mechanism case, the 10, the 3rd automatic thermostat; 11, the 4th automatic thermostat, 12, air switch, 13, earth leakage circuit-breaker; 14, tandem ribbon heater, 15, watertight composition, 16, heat-insulation layer; 17, protective layer, 18, master-control room, 19, Oil pump electrical machinery/control power supply.
[embodiment]
Provide embodiment of the present utility model below in conjunction with accompanying drawing.
Referring to accompanying drawing 1.A kind of outdoor high-voltage SF6 potting breaker with automatic companion's thermic devices, contain breaker body 1, circuit breaker tank body, hydraulic mechanism energy storage tube, hydraulic mechanism case 9, terminal box 5, air switch 12, earth leakage circuit-breaker 13, case inner heating device, these all are the structures of existing outdoor high-voltage SF6 potting breaker; Special construction of the present utility model is to be provided with automatic companion's thermic devices; Automatically companion's thermic devices is by a plate-type heater of setting up in tank body companion thermic devices 2, energy storage tube companion thermic devices 8, the hydraulic mechanism case 9, and first sensor 3, first automatic thermostat 4, second transducer 7, second automatic thermostat 6, explosion-proof electrical source terminal box 5, air switch 12, earth leakage circuit-breaker 13 connect to form.
Tank body companion thermic devices 2 usefulness stainless steel lathe dog lock rings are connected to explosion-proof electrical source terminal box 5 by the first sensor 3 and first automatic thermostat 4 on the shell of breaker body 1; Energy storage tube companion thermic devices 8 usefulness stainless steel lathe dog lock rings are connected to explosion-proof electrical source terminal box 5 by second transducer 7 and second automatic thermostat 6 on the shell of circuit breaker hydraulic mechanism energy storage tube.
The heating element of circuit breaker tank body and energy storage tube is anticorrosion explosion-proof tandem ribbon heater, the size of its power, volume is pressed the size of circuit breaker tank body and energy storage tube, determine by calculating according to corresponding heating and area of dissipation, usually the power of tank body companion thermic devices 2 and volume want big, and the power and the volume of energy storage tube companion thermic devices 8 want littler.
On hydraulic mechanism case 9 inherent original bases, increase a tabular resistance heater now again, control by the 3rd automatic thermostat 10 by the plate-type heater of the 4th automatic thermostat 11 controls.
Referring to accompanying drawing 2.Described tank body companion thermic devices 2, energy storage tube companion thermic devices 8 are anticorrosion explosion-proof tandem ribbon heater, are made of tandem ribbon heater 14, watertight composition 15, heat-insulation layer 16 and protective layer 17.
Referring to accompanying drawing 3.Operation principle of the present utility model is:
Temperature range to circuit breaker tank body and hydraulic mechanism energy storage tube is set, both should be consistent, if design temperature is decided to be-10 ℃, circuit breaker companion thermic devices will drop into automatically when ambient temperature is lower than-10 ℃ so, and circuit breaker companion thermic devices will withdraw from automatically when ambient temperature is higher than-10 ℃.Under the control of transducer and automatic thermostat, tank body companion thermic devices 2 can drop into the operation of heating simultaneously automatically with energy storage tube companion thermic devices 8, or withdraw from the operation of heating automatically simultaneously, and make breaker temperature can appearance can not make jar temperature of interior SF6 gas liquefaction, keep the normal operation of circuit breaker.
Drop into or withdraw from simultaneously in the time of tank body companion thermic devices 2 and energy storage tube companion thermic devices 8, make the pressure of circuit breaker hydraulic mechanism too big variation can not occur, so just can guarantee the safety that hydraulic mechanism moves, reduce or eliminate the situation of frequent starting.
Existing outdoor high-voltage SF6 potting breaker just had a tabular resistance heater originally in hydraulic mechanism case 9, keep the usefulness that insulation is dried in the hydraulic mechanism case 9 under conventional environment, was controlled by the 4th automatic thermostat 11.The utility model at be the outdoor high-voltage SF6 potting breaker that extremely frigid zones uses, its environmental condition is more far short of what is expected than conventional environment, therefore, design increases a tabular resistance heater in hydraulic mechanism case 9, can be under the low temperature situation (30 ℃～-40 ℃) to case in hydraulic oil heat, keep the flowability of hydraulic oil.The tabular resistance heater that increases is by 10 controls of the 3rd automatic thermostat, and design temperature is 0 ℃, and heater heated automatically when promptly ambient temperature was lower than 0 ℃, and heater then withdrawed from automatically when ambient temperature was higher than 0 ℃.
Claims (6)
1, a kind of outdoor high-voltage SF6 potting breaker with automatic companion's thermic devices, contain breaker body, circuit breaker tank body, hydraulic mechanism energy storage tube, hydraulic mechanism case, terminal box, air switch, earth leakage circuit-breaker, case inner heating device, it is characterized in that, be provided with automatic companion's thermic devices; Described automatic companion's thermic devices is accompanied by tank body that plate-type heater, first sensor, first automatic thermostat, second transducer, second automatic thermostat, explosion-proof electrical source terminal box, air switch, earth leakage circuit-breaker connect to form in thermic devices, energy storage tube companion thermic devices, the hydraulic mechanism case; Described tank body companion thermic devices is fixed on the shell of breaker body, is connected to the explosion-proof electrical source terminal box by the first sensor and first automatic thermostat; Described energy storage tube companion thermic devices is fixed on the shell of hydraulic mechanism energy storage tube, is connected to the explosion-proof electrical source terminal box by second transducer and second automatic thermostat.
2, the outdoor high-voltage SF6 potting breaker with automatic companion's thermic devices according to claim 1 is characterized in that, plate-type heater is two plate-type heater that are arranged in the hydraulic mechanism case in the described hydraulic mechanism case.
3, the outdoor high-voltage SF6 potting breaker with automatic companion's thermic devices according to claim 1; it is characterized in that; described tank body companion thermic devices, energy storage tube companion hot charging are changed to anticorrosion explosion-proof tandem ribbon heater, are made of tandem ribbon heater, watertight composition, heat-insulation layer and protective layer.
4, the outdoor high-voltage SF6 potting breaker with automatic companion's thermic devices according to claim 1 is characterized in that, described tank body companion thermic devices uses the steel clamping band lock ring on the shell of breaker body.
5, the outdoor high-voltage SF6 potting breaker with automatic companion's thermic devices according to claim 1 is characterized in that, described energy storage tube companion thermic devices uses the steel clamping band lock ring on the shell of circuit breaker hydraulic mechanism energy storage tube.
6, the outdoor high-voltage SF6 potting breaker with automatic companion's thermic devices according to claim 2 is characterized in that, described two plate-type heater that are arranged in the hydraulic mechanism case are controlled by the 3rd automatic thermostat, the 4th automatic thermostat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201504301U CN201242969Y (en) | 2008-07-01 | 2008-07-01 | Outdoor high-voltage SF6 can-type circuit breaker with automatic heat accompany device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201504301U CN201242969Y (en) | 2008-07-01 | 2008-07-01 | Outdoor high-voltage SF6 can-type circuit breaker with automatic heat accompany device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201242969Y true CN201242969Y (en) | 2009-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201504301U Expired - Fee Related CN201242969Y (en) | 2008-07-01 | 2008-07-01 | Outdoor high-voltage SF6 can-type circuit breaker with automatic heat accompany device |
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| CN (1) | CN201242969Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014113912A1 (en) * | 2013-01-22 | 2014-07-31 | Jin Haiyong | Sulfur hexafluoride high-voltage electrical equipment used in cold regions |
| CN106873657A (en) * | 2017-01-03 | 2017-06-20 | 钱东海 | For the pressure-measuring type heating controller and its control method of potting breaker |
| CN106960760A (en) * | 2017-05-05 | 2017-07-18 | 郑州大学 | A kind of distal end assisted heating device of SF6 breakers |
| CN106971899A (en) * | 2017-05-05 | 2017-07-21 | 郑州大学 | One kind prevents the liquefied intelligent temperature control system of extremely frigid zones SF6 breaker arc extinguishing media |
| CN107749362A (en) * | 2017-09-27 | 2018-03-02 | 国网黑龙江省电力有限公司检修公司 | The emergent heating means of the emergent heater of portable SF6 potting breakers |
| US9991064B2 (en) | 2016-08-10 | 2018-06-05 | Abb Schweiz Ag | SF6 insulated circuit breaker system with thermal capacitor |
| CN109844892A (en) * | 2016-06-27 | 2019-06-04 | Abb瑞士股份有限公司 | SF6 insulated circuit breakers system with heater |
| EP4075466A1 (en) * | 2021-04-14 | 2022-10-19 | Hitachi Energy Switzerland AG | Generator circuit breaker, gcb |
-
2008
- 2008-07-01 CN CNU2008201504301U patent/CN201242969Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014113912A1 (en) * | 2013-01-22 | 2014-07-31 | Jin Haiyong | Sulfur hexafluoride high-voltage electrical equipment used in cold regions |
| CN109844892B (en) * | 2016-06-27 | 2020-11-03 | Abb电网瑞士股份公司 | SF6 insulated circuit breaker system with heater |
| CN109844892A (en) * | 2016-06-27 | 2019-06-04 | Abb瑞士股份有限公司 | SF6 insulated circuit breakers system with heater |
| US9991064B2 (en) | 2016-08-10 | 2018-06-05 | Abb Schweiz Ag | SF6 insulated circuit breaker system with thermal capacitor |
| RU2726858C1 (en) * | 2016-08-10 | 2020-07-16 | Абб Швайц Аг | Gas (sf6) insulation with thermal capacitor circuit breaker system |
| CN106873657B (en) * | 2017-01-03 | 2020-07-10 | 钱东海 | Control method of pressure measuring type heating controller for tank type circuit breaker |
| CN106873657A (en) * | 2017-01-03 | 2017-06-20 | 钱东海 | For the pressure-measuring type heating controller and its control method of potting breaker |
| CN106971899B (en) * | 2017-05-05 | 2019-08-13 | 郑州大学 | One kind preventing the liquefied intelligent temperature control system of extremely frigid zones SF6 breaker arc extinguishing medium |
| CN106960760B (en) * | 2017-05-05 | 2019-12-03 | 郑州大学 | A kind of distal end assisted heating device of SF6 breaker |
| CN106971899A (en) * | 2017-05-05 | 2017-07-21 | 郑州大学 | One kind prevents the liquefied intelligent temperature control system of extremely frigid zones SF6 breaker arc extinguishing media |
| CN106960760A (en) * | 2017-05-05 | 2017-07-18 | 郑州大学 | A kind of distal end assisted heating device of SF6 breakers |
| CN107749362A (en) * | 2017-09-27 | 2018-03-02 | 国网黑龙江省电力有限公司检修公司 | The emergent heating means of the emergent heater of portable SF6 potting breakers |
| EP4075466A1 (en) * | 2021-04-14 | 2022-10-19 | Hitachi Energy Switzerland AG | Generator circuit breaker, gcb |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20110701 |