CN2462607Y - Gas insulated three-station indoor A.C. high voltage power distributor - Google Patents
Gas insulated three-station indoor A.C. high voltage power distributor Download PDFInfo
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- CN2462607Y CN2462607Y CN 01202070 CN01202070U CN2462607Y CN 2462607 Y CN2462607 Y CN 2462607Y CN 01202070 CN01202070 CN 01202070 CN 01202070 U CN01202070 U CN 01202070U CN 2462607 Y CN2462607 Y CN 2462607Y
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Abstract
The utility model relates to an indoor high voltage power distributor (1) which uses a closed shell body of stainless steel metal and integrates the functions of a load switch, an isolating switch and a ground switch. The utility model is provided with the closed shell body (6) of the stainless steel metal for charging SF6 gas, a three-station switch (5), six high-voltage input and output insulating wall bushings (3 and 8), a spring operation mechanism (13) and a pressure release device (7). The three-station switch in the shell body is fixedly connected through a confluence copper bus (4). The spring operation mechanism (13) is arranged in a mechanism box (2) outside the metal closed shell body. Metal ripply pipes (11) which are welded on the shell body (6) and a transmission arm are used for realizing air tightness connection and transmission. The spring operating mechanism is used for operating and moving three positions of 'switching on', 'isolation' and 'ground' of the switch through two kinds of operation modes of manual operation and electric operation (10). A fuse for impact and release and an energy storing device (14) can also be used for making the three-station switch (5) divide brakes and store energy.
Description
The present invention relates to the indoor ac high-voltage electric power of the three stations power distribution equipment of a kind of gas-insulated, the sealing of stainless steel metal shell, it has some and is loaded on interior three-station and the bus rod of inflation metal-enclosed shell jointly, the airtight wall-through bushing insulator of inflating metal-enclosed shell that runs through is arranged in the outer main bus bar of metal-enclosed shell fully.Wall-through bushing insulator is used for being connected of three-station and main bus bar, and the outer main bus bar of arranging of metal-enclosed shell adopts air insulation, air clear distance 125mm.Three-station is with the indoor ac high-voltage on-load switch of SF6 insulation, is used for three-phase alternating current 50Hz, and rated voltage is the 12kV indoor distribution.Suitable client transformer station and Bulk Supply Substation distribute and accept electric energy, confession industrial and mining enterprises power plant and transformer station and make the usefulness of the protection and the control of electric installation, and are applicable to the place than frequent operation.
More than the existing tens kinds of models of domestic on-load switch, various informative, but function is perfect inadequately, poor reliability.
The purpose of this utility model is perfect inadequately for overcoming function exactly, and design accuracy is low, poor reliability, defective such as dielectric strength is lower, and maintenance workload is big and the indoor ac high-voltage electric power of a kind of gas-insulated three stations power distribution equipment that designs.
The purpose of this utility model is such realization: the gas-insulated three station ac high-voltage electric power power distribution equipments of major loop and this integrated design of operating mechanism, it is characterized in that: inflation metal-enclosed shell (1.6) adopts welding manner to guarantee its air-tightness, is arranged in the outer main bus bar of metal-enclosed shell fully and realizes with being connected by wall-through bushing insulator (1.3,1.8) of three-station (1.5).Wall-through bushing insulator runs through metal-enclosed shell airtightly, each three up and down, for advance, feeder line use.Three-station (1.5) is connected with wall-through bushing insulator (1.3,1.8) by bus rod (1.4), and by its support and fixing.Spring operating mechanism (1.13) is to be connected as a single entity by double-screw bolt that is welded in the metal-enclosed shell outside and operating mechanism case (1.2), and spring operating mechanism (1.13) is to realize being in transmission connection and sealing by the metal bellows (1.11) that is welded on metal-enclosed shell (1.6), the transmission arm.Operating mechanism is a spring operating mechanism, is made of near sinusoidal mechanism (1.9) and mechanism's energy storage part (1.12) in the outer approximate crank and rocker mechanism (1.14) of orthogonal metal closed shell, the dropout of fuse bump and energy storage device (1.15), the metal closed shell; Mechanism's energy storage part (1.12) is by drive plate (2.6), dropout plate and reduction torsion spring (2.7), energy storage torsion spring (2.8), separate buckle (2.9), energy storage plate (2.10) constitutes, this part all is contained on the power transmission shaft, provide switch to close, divide energy, drive the end rotation of energy storage torsion spring (2.8) during energy storage by drive plate (2.6), the other end is motionless by energy storage plate (2.10) restriction, energy storage plate (2.10) is to be limited by the locating wheel (2.12) on mechanism's right plate (2.13) by the dropout plate (2.7) that is contained on the energy storage plate (2.10), keep motionless with mechanism driving axle (2.15) and approximate crank and rocker mechanism (1.14), when energy storage puts in place, separating buckle (2.9) trips by locating wheel (2.12) to dropout plate (2.7), energy storage torsion spring (2.8) energy is discharged, drive the action of energy storage plate (2.10) and upper-part thereof, three-station (1.5) is closed, divide; Reduction torsion spring (2.7) makes the dropout sheet reset, remains on the next locating wheel (2.12).Three-station (1.5) is by upper contact head box (4.5), following contact box (4.1), end cap (4.2), bogie (4.4) and fixed contact (4.3) are formed, fixed contact (4.3) is loaded on the contact box up and down of Buddhist nun's logical sequence injection moulding, moving contact (5.2) is installed on the bogie (4.4), by contact spring (5.3)) and pressure spring plate (5.4) make a pair of moving contact become an integral installation to go up at actuator (5.1) and form bogie (4.4), play by four keepers (5.5) restriction moving contacts (5.2), three bogies link together and form the moving contact driving shaft, by last, the support of following contact box is rotated, and link to each other with near sinusoidal mechanism (1.9) by end cap (4.2), constitute whole drive system.Electric device (1.10) is by mounting bracket (2.4) that is installed in mechanism case (1.2) bottom and motor (2.3) and sprocket wheel and chain (2.5) formation mounted thereto.The rotating of secondary control board (2.20), auxiliary switch (2.18) control motor, motor is installed in sprocket wheel on the drive plate (2.6) by chain drive, drives drive plate (2.6) rotating, carries out three-station (1.5) and closes, divides.Wall-through bushing insulator (1.3,1.8) is arranged in to vertical parallel the top and the bottom of metal-enclosed shell (1.6), runs through metal-enclosed shell (1.6) airtightly, uses for three-station (1.5) inlet wire and feeder line.Wall-through bushing insulator is made of plug (3.1), epoxy casting body (3.2), second decimation (3.3), rubber bodies (3.4) and inserts (3.5).Wall-through bushing insulator (1.3,1.8) is outside at metal-enclosed shell (1.6), has the shirt rim, and is inner at metal-enclosed shell (1.6) satisfying airborne creep distance, is the inverted conical shape that does not have the shirt rim, adopts the SF6 insulation.Pressure relief device (1.7) is welded in the Stainless Steel Shell rear lower, is made of supporter (6.1), pressure holding piece (6.2), rupture disk (6.3) and tooth (6.4).The gas row who discharges when explosion guarantees personal safety to cable trough.
The utility model has the advantages that: in the on-load switch of major loop and the design of operating mechanism one, the wall-through bushing insulator (1.3,1.8) that major loop is arranged by vertical parallel is installed on the big plane of airtight metal shell (1.6), the installation of three-station (1.5) and operating mechanism and motor drive mechanism is a benchmark with the bottom surface of operating mechanism case (1.2) all, make reference for installation single, on-load switch overall precision height, reliability is effectively guaranteed; Because the wall-through bushing insulator height of main bus bar and feeder line support reaches 145 millimeters, alternate clear distance 125mm, it is higher that main bus bar and feeder line reach phase insulation intensity over the ground, and phase insulation and major loop support connecting piece up and down unite two into one good integrity; Operating mechanism case (1.2) is by the functional unit block design, and each functional unit design and machining accuracy are guaranteed easily, assemble also very convenient; And three-station (1.5) has fundamentally solved the problem that switch need not be interlocked.Utilization by approximate crank and rocker mechanism (1.14) and near sinusoidal mechanism (1.9) and mechanism's energy storage part (1.12), make main transmission structure simple, frictional dissipation is little, the reliability height, and do not need independent switch to close, divide spring, make switch close, divide spring to unite two into one.
The utility model is described in further detail below in conjunction with Figure of description and embodiment:
As shown in Figure 1: the front portion is mechanism's casing (1.2), the rear portion is metal closed shell (1.6), the airtight top and the bottom of running through airtight metal shell (1.6), six wall-through bushing insulators (1.3,1.8) vertical parallel ground, wall-through bushing insulator (1.3,1.8) is in the part of airtight metal shell (1.6) outside, adopt air insulation, use for inlet wire and feeder line; The part of portion adopts the SF6 insulation within it.Three-station (1.5) is fixedly mounted on the wall-through bushing insulator (1.3,1.8) by bus-bar (1.4).
As shown in Figure 2: mechanism case (1.2) top is secondary control board (2.20), and mechanism case (1.1) contained spring operating mechanism is in the centre, and motor drive mechanism (2.4) is at right part, and Pressure gauge (2.17) and auxiliary switch (2.18) are at left part.The action and the rotating of secondary control board (2.20) and auxiliary switch (2.18) control motor drive mechanism (2.4).Pressure gauge reacts airtight metal shell air pressure inside.Locking (2.11) is the locking of joining behind the cabinet the position of the switch and cabinet door.
As shown in Figure 3: plug (3.1) has screwed hole up and down for connecting main bus bar and bus rod (1.4) usefulness, and it is outside with pour mass (3.2) insulation; Can be with second decimation (3.3) to use for charged demonstration; Rubber bodies (3.4) rises and connects inserts (3.5) and pour mass (3.2) and cushioning effect, and inserts (3.5) is used for the welding with closed metal housing (1.6).
As shown in Figure 4: the action of three-station (1.5) is to link to each other with near sinusoidal mechanism (1.10) by end cap (4.2), constitute whole drive system and realize " connection ", " isolation " of switch, the action and the position of " ground connection ", link together by three bogies (4.4) and to form the moving contact driving shaft, rotate by the support of upper and lower contact box (4.5), (4.1).
As shown in Figure 5: contact spring (5.3) clamps moving contact (5.2) by pressure spring plate (5.4), to reach the requirement to contact pressure; When bogie (4.4) rotates, the blade compresses SF6 gas on the actuator (5.1) and form the higher-pressure region, Compressed Gas blows out between moving contact (5.2), carries out blow-out.
As shown in Figure 6: when sealing metal housing (1.6) internal pressure during greater than the design pressure of pressure relief device (1.7), rupture disk (6.3) is outwards routed up, and is broken rupture disk (6.3) and is discharged air-flow by tooth (6.4), with the safety of the protection equipment and the person.
As shown in Figure 7: constitute the spring operating mechanism main body by approximate crank and rocker mechanism (1.14), its sketch is seen Fig. 7 b, pivot pin and mechanism's side plate (1.13) constitute in connecting lever (7.1) on the mechanism driving axle (2.15), left and right sides connecting plate (7.2), transmission arm (7.9), the hole by being welded in for it, drive it by mechanism's energy storage part (1.11) by power transmission shaft (7.1), mechanism's side plate is as approximate crank and rocker mechanism (1.14) frame, because the connection of transmission arm (7.9), thereby drive near sinusoidal mechanism (1.9) and actuating three-station (1.5); Know " connection ", " isolation ", " ground connection " three positions of its corresponding three-station in three positions from Fig. 7 b.Fuse bump thread off and energy storage device (1.15) by left and right sides connecting plate (7.2), energy storage plate and roller (7.4), about thread off plate (7.3), roller (7.5), spring-hanging board (7.6), energy accumulation spring (7.7), energy storage plate (7.8) and pivot pin constitute, its sketch is seen Fig. 7 c.After energy accumulation spring (7.12) energy storage was intact, when three-station reached " ground connection " position in " isolation ", the fuse bump was threaded off and energy storage device (1.15) moves with approximate crank and rocker mechanism (1.14),, and can't thread off.Three-station can be threaded off when " connection " position, thereby drives three position switch by " connection " to " isolation " position, has just finished dropout.By Fig. 7 d is the near sinusoidal schematic diagram of mechanism, directly drive three position switch by it, the connection of its three determining positions three-stations ", " isolation ", " ground connection " three positions; because the connection of transmission arm (7.9); these two kinds of mechanisms cooperatively interact in the space, reach the function of operation three-station.
Claims (7)
1. gas-insulated three station indoor high-voltage power distribution devices (1.1) is characterized in that: gas-insulated three station indoor high-voltage power distribution device main body structures are by being installed in the three-station (1.5) in the airtight metal shell of stainless steel (1.6), the airtight wall-through bushing insulator (1.3,1.8) of the airtight metal shell of stainless steel (1.6), the spring drive mechanism (1.13) in the mechanism case (1.2), metal bellows (1.11), electric actuator (1.10) and pressure relief device (1.7) formation of transmission seal of running through; Wall-through bushing insulator is welded on the housing (1.6), three-station (1.5) is connected (1.3,1.8) by bus rod (1.4) and by its support with fix with wall-through bushing insulator, spring operating mechanism (1.13) is loaded in the mechanism case (1.2) of the airtight metal shell of stainless steel outside, is connected with bellows (1.11) on the transmission arm by being welded in housing; Pressure relief device (1.7) is welded in Stainless Steel Shell (1.6) rear lower.
2. gas-insulated three station high-tension electricity power distribution equipments according to claim 1, it is characterized in that: three-station (1.5) is made up of nylon injection-molding contact box (4.1,4.5), end cap (4.2), moving contact bogie (4.4) and fixed contact (4.3); Fixed contact (4.3) is loaded on contact box (4.1), and moving contact (5.3) is installed on the bogie (4.4), and three bogies (4.4) link together and form the moving contact driving shaft, rotate by the support of contact box.
3. gas-insulated three station high-tension electricity power distribution equipments according to claim 1, it is characterized in that: the airtight metal shell of wall-through bushing insulator (1.3,1.8) stainless steel is inner to be the SF6 gas-insulated, the outside is an air insulation, constitute by special cushion rubber layer (3.4), stainless steel inserts (3.5), charged demonstration second decimation (3.3) and plug (3.1), be cast for one by epoxy resin (3.2).
4. gas-insulated three station high-tension electricity power distribution equipments according to claim 1 is characterized in that: spring operating mechanism (1.13) is made up of near sinusoidal mechanism (1.9), mechanism's energy storage part (1.12), approximate crank and rocker mechanism (1.14), the dropout of fuse bump and energy storage device (1.15); Near sinusoidal mechanism (1.9) is contained in airtight metal shell (1.6) inside, and remaining part is contained in the mechanism case (1.2), is connected and transmission by transmission arm (7.9).
5. gas-insulated three station high-tension electricity power distribution equipments according to claim 1 is characterized in that: the energy storage part (1.12) of spring operating mechanism by energy storage torsion spring (2.8), power transmission shaft (2.15), energy storage plate (2.10), drive plate (2.6), dropout plate (2.7), separate buckle (2.9), locating wheel (2.12) and constitute; Locating wheel (2.12) is installed on the right plate (2.13), energy storage torsion spring (2.8), drive plate (2.6), dropout plate (2.7), separates buckle (2.11) and is installed on the power transmission shaft (2.15).
6. gas-insulated three station high-tension electricity power distribution equipments according to claim 1, it is characterized in that: the bellows that is in transmission connection (1.11), the sprocket wheel of electric actuator (2.5), mounting bracket (2.4), motor (2.3), auxiliary switch connecting plate (2.2) and secondary control (2.20), bellows (1.11) is welded on metal closed shell (1.6) and the transmission arm (7.15), and motor (2.3), sprocket wheel (2.5) are installed on the mounting bracket (2.4).
7. gas-insulated three station high-tension electricity power distribution equipments according to claim 1, it is characterized in that: the rupture disk of pressure relief device (6.3), tooth (6.4), supporter (6.1) and pressure holding piece (6.2) are welded as a whole by inferior arc-welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01202070 CN2462607Y (en) | 2001-02-01 | 2001-02-01 | Gas insulated three-station indoor A.C. high voltage power distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01202070 CN2462607Y (en) | 2001-02-01 | 2001-02-01 | Gas insulated three-station indoor A.C. high voltage power distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2462607Y true CN2462607Y (en) | 2001-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01202070 Expired - Fee Related CN2462607Y (en) | 2001-02-01 | 2001-02-01 | Gas insulated three-station indoor A.C. high voltage power distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2462607Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328833C (en) * | 2002-05-15 | 2007-07-25 | 施耐德电器工业公司 | Gas-insulated electrical installation provided with a device for dissipating energy produced by an electric arc |
| CN101722590B (en) * | 2008-10-24 | 2012-04-25 | 上海雷博司电器有限公司 | Surface treatment method of insert in vacuum casting and APG processes |
| CN101722589B (en) * | 2008-10-24 | 2012-04-25 | 上海雷博司电器有限公司 | Method for processing surface of insert in vacuum pouring and APG process by using semi-conductive rubber |
| WO2013102285A1 (en) * | 2012-01-04 | 2013-07-11 | 苏州朗格电气有限公司 | Rigid power transmission device |
| CN103683080A (en) * | 2013-12-15 | 2014-03-26 | 甘肃长城电工电器工程研究院有限公司 | Pressure releasing device of completely-closed gas insulation high-pressure switch device |
| CN103794999A (en) * | 2012-10-31 | 2014-05-14 | 仪征恒运电器有限公司 | Metal-closed looped network switch cabinet |
| CN105405703A (en) * | 2015-12-28 | 2016-03-16 | 北京合纵科技股份有限公司 | Three-position isolating and grounding switch |
-
2001
- 2001-02-01 CN CN 01202070 patent/CN2462607Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328833C (en) * | 2002-05-15 | 2007-07-25 | 施耐德电器工业公司 | Gas-insulated electrical installation provided with a device for dissipating energy produced by an electric arc |
| CN101722590B (en) * | 2008-10-24 | 2012-04-25 | 上海雷博司电器有限公司 | Surface treatment method of insert in vacuum casting and APG processes |
| CN101722589B (en) * | 2008-10-24 | 2012-04-25 | 上海雷博司电器有限公司 | Method for processing surface of insert in vacuum pouring and APG process by using semi-conductive rubber |
| WO2013102285A1 (en) * | 2012-01-04 | 2013-07-11 | 苏州朗格电气有限公司 | Rigid power transmission device |
| CN103794999A (en) * | 2012-10-31 | 2014-05-14 | 仪征恒运电器有限公司 | Metal-closed looped network switch cabinet |
| CN103683080A (en) * | 2013-12-15 | 2014-03-26 | 甘肃长城电工电器工程研究院有限公司 | Pressure releasing device of completely-closed gas insulation high-pressure switch device |
| CN105405703A (en) * | 2015-12-28 | 2016-03-16 | 北京合纵科技股份有限公司 | Three-position isolating and grounding switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |