CN202797738U - Solid insulation vacuum ring main unit - Google Patents
Solid insulation vacuum ring main unit Download PDFInfo
- Publication number
- CN202797738U CN202797738U CN 201220410709 CN201220410709U CN202797738U CN 202797738 U CN202797738 U CN 202797738U CN 201220410709 CN201220410709 CN 201220410709 CN 201220410709 U CN201220410709 U CN 201220410709U CN 202797738 U CN202797738 U CN 202797738U
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- ring main
- main unit
- vacuum
- phase
- inlet wire
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- Expired - Fee Related
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Abstract
The utility model provides a solid insulation vacuum ring main unit. The solid insulation vacuum ring main unit is characterized in that an inlet wire vacuum switch unit in an inlet wire ring main unit and an outlet wire vacuum switch unit in an outlet wire ring main unit are arranged on the unit body through screws; and silicone rubber dry type buses are respectively arranged on the bus plugs of the inlet wire vacuum switch unit and the outlet wire vacuum switch unit through screws. The solid insulation vacuum ring main unit has the advantages that the sizes of switches are reduced and the field distribution of the switches is optimized by arranging all the three-phase (A-phase, B-phase and C-phase) conduction circuits of the vacuum switches in the same solid encapsulated pole; the environment-friendly performances of a product are significantly improved by adopting the totally-enclosed solid insulation vacuum switches; all electrified bodies are cast or arranged inside epoxy resin and will not be affected by external environment factors such as moisture and dust, etc.; the electrical performances of the ring main unit will not be affected, either; the equipment maintenance operations are reduced; the service lifetimes of the equipments are prolonged; the electrified bodies are all located inside the epoxy resin; thus no electric shock will be generated even when a person touches the electrified bodies; and the safety of the equipments is enhanced.
Description
Technical field
The utility model is a kind of novel solid insulation ring main unit.Belong to the high-tension distribution equipment technical field.
Technical background
The ring main unit majority is the gas-insulated ring network cabinet at present.Adopt SF6 gas as the insulation of electrification in high voltage part or cut-off medium.Because SF6 gas can decomposite toxic gas after cut-offfing, and easily leaks, complicated to seal request height and the processing technology of casing, it is complicated to cause the maintenance of gas-insulated ring network cabinet to detect, and needs regularly to hunt leak and make-up gas.In addition according to Kyoto Protocol, as the insulation of gas-insulated ring network cabinet or cut-off medium, SF6 gas is clearly classified as one of greenhouse gases, requires to reduce its use amount.
Summary of the invention
The utility model proposes a kind of novel solid insulation ring main unit, its purpose is to overcome the existing defects of prior art, has that volume is little, environment-friendly type, function is integrated, reliability is high, the characteristics such as non-maintaining.
Technical solution of the present utility model: it is characterized in that comprising at least one road inlet wire ring main unit and at least one road outlet ring main unit, the structure of described inlet wire ring main unit is to be installed on the cabinet by screw by the inlet wire vacuum switch unit, and silicon rubber dry type bus is installed in by screw and forms whole inlet wire ring main unit on the bus plug of inlet wire vacuum switch unit; Described outlet ring main unit is to be installed on the cabinet by screw by outlet vacuum switch unit, fuse tripping interlock, fuse auxiliary earth powder operation device, silicon rubber dry type bus is installed on the bus plug of outlet vacuum switch unit by screw, forms whole outlet ring main unit.
Advantage of the present utility model: 1) owing to adopted all galvanic circles of vacuum switch ABC three-phase are installed in the same pole, greatly reduced the volume of switch and optimized the Electric Field Distribution of switch.2) owing to adopted totally-enclosed solid isolated vacuum switch, can not produce harmful substance in the course of the work, and all parts reach all recyclable after useful life, greatly improve the feature of environmental protection of product, adapt to the environmental protection demand.3) because all electrified bodies are all poured into a mould or are installed in the epoxy resin, can not be subject to such as the impact of the external environment conditions such as steam, dust on the electric property of ring main unit.Reduced equipment maintenance, prolonged useful life.4) because electrified body is all inner at epoxy resin, and the place that might produce induced voltage there is semiconductor substance in the epoxy resin external spray, with induced voltage ground connection, even the people touches also and can not produce Danger Electric shock risk like this, improved the fail safe of equipment by this material.
Description of drawings
Accompanying drawing 1 is the structure chart of the inlet wire ring main unit of solid isolated vacuum ring main unit.
Accompanying drawing 2 is side-looking structure charts of Fig. 1.
Accompanying drawing 3 is structure charts of the outlet ring main unit of solid isolated vacuum ring main unit.
Accompanying drawing 4 is side-looking structure charts of Fig. 3.
Accompanying drawing 5 is vacuum switch unit structure charts of the inlet wire ring main unit of solid isolated vacuum ring main unit.
Accompanying drawing 6 is side-looking structure charts of Fig. 5.
Accompanying drawing 7 is vacuum switch unit structure charts of the outlet ring main unit of solid isolated vacuum ring main unit.
Accompanying drawing 8 is side-looking structure charts of Fig. 7.
Among the figure 1 is cabinet, the 2nd, silicon rubber dry type bus, the 3rd, the inlet wire vacuum switch unit, the 4th, the outlet vacuum switch unit, the 5th, the fuse tripping interlock, the 6th, fuse auxiliary earth powder operation device, the 7th, bus plug, the 8th, the bus plug conductor, the 9th, sealing gasket, the 10th, watchband-shaped contactor, the 11st, the quiet end conductor of vacuum interrupter, the 12nd, three phase in one solid sealed pole, the 13rd, vacuum interrupter, the 14th, be flexible coupling, the 15th, arc control device actuating insulated tension pole, the 16th, the vacuum switch power transmission shaft, the 17th, sealing ring, the 18th, base plate, the 19th, mounting panel, the 20th, grounding contact, the 21st, bottom plate conductor, the 22nd, static contact isolation switch, the 23rd, the isolating switch power transmission shaft, the 24th, the isolating switch moving contact, the 25th, the combined floodgate contact, the 26th, operating mechanism, the 27th, A phase cable cone, the 28th, B phase cable cone, the 29th, C phase cable cone, the 30th, adapter, the 31st, silicone rubber sleeve, the 32nd, the fuse unit assembly.
Embodiment
The contrast accompanying drawing, solid isolated vacuum ring main unit, its structure comprises inlet wire ring main unit, outlet ring main unit, inlet wire vacuum switch unit 3 and outlet vacuum switch unit 4, wherein the inlet wire vacuum switch unit 3 in the inlet wire ring main unit and the outlet vacuum switch unit 4 in the outlet ring main unit are installed on the cabinet 1 by screw, and silicon rubber dry type bus 2 is installed on the bus plug of inlet wire vacuum switch unit 3, outlet vacuum switch unit 4 by screw respectively.
Described inlet wire ring main unit, its structure comprises cabinet 1, silicon rubber dry type bus 2, inlet wire vacuum switch unit 3, wherein inlet wire vacuum switch unit 3 is installed on the cabinet 1 by screw, silicon rubber dry type bus 2 is installed on the bus plug of inlet wire vacuum switch unit 3, as shown in Figure 1 by screw.
Described outlet ring main unit, its structure comprises cabinet 1, silicon rubber dry type bus 2, outlet vacuum switch unit 4, fuse tripping interlock 5, fuse auxiliary earth powder operation device 6, wherein inlet wire vacuum switch unit 3, outlet vacuum switch unit 4, fuse tripping interlock 5 and fuse auxiliary earth powder operation device 6 are installed on the cabinet 1 by screw, silicon rubber dry type bus 2 is installed on the bus plug 7 of outlet vacuum switch unit 4, as shown in Figure 3 by screw.
Described three phase in one solid sealed pole 12 is the shaped pieces with cavity that formed by poured with epoxy resin, the quiet end of vacuum interrupter 13 is connected by an end of the quiet end conductor 11 of screw and vacuum interrupter, totally 3 vacuum interrupters 13, the quiet end conductors 11 of vacuum interrupter are cast in the epoxy resin together, the other end at the quiet end conductor 11 of vacuum interrupter forms a tubbiness leading-out terminal, for connection bus plug 7; End upper at three phase in one solid sealed pole 12 has 12 M10 nuts, for connecting bottom board 18.
The combined floodgate contact 25 of rotary isolation earthing switch is installed, vacuum switch power transmission shaft 16, isolating switch power transmission shaft 23 in three phase in one solid sealed pole 12.
The vacuum switch power transmission shaft 16 of described vacuum switch is to be welded by connecting lever and square shaft, by driving arc control device actuating insulated tension pole 15, drives 13 deciliters actions of vacuum interrupter.
Described isolating switch power transmission shaft 23 is the Special plastic spares that formed by the Merlon cast, and there are 3 cavitys the centre, is used for isolating switch moving contact 24 empty sets therein, and sidewall and isolating switch moving contact 24 are fitted.Drive isolating switch moving contact 24 during 23 rotation of isolating switch power transmission shaft.Realize the action of isolation earthing switch.
Described base plate 18 is the shaped pieces that formed by poured with epoxy resin, and the sequential casting before, during and after 3 bottom plate conductors 21 and 3 grounding contacts 20 are pressed is in epoxy resin; Form a tubbiness leading-out terminal at bottom plate conductor 21 1 ends, for connecting A, B, C threephase cable cone.
Described operating mechanism 26 is provided with isolation earthing switch operating mechanism and circuit breaker operation mechanism, is installed in the front portion of three phase in one solid sealed pole 12 by screw.
Described isolation earthing switch operating mechanism is one, and torsion spring releases energy by the spring operating mechanism of torsion spring as power source, drives 23 rotations of isolating switch power transmission shaft, then drives 24 rotations of isolating switch moving contact, realizes the action of isolation earthing switch.
Described circuit breaker operation mechanism be one by the spring operating mechanism of extension spring as power source, the extension spring releasability, drive 16 rotations of vacuum switch power transmission shaft, vacuum switch power transmission shaft 16 drives 15 motions of arc control device actuating insulated tension pole, then drive the moved end motion of vacuum interrupter 13, realize vacuum switch deciliter.
A phase cable cone 27, B phase cable cone 28, C phase cable cone 29 are formed by poured with epoxy resin, and cable cone inside is cast with special-shaped copper rod as electric conductor, is cast with 1 aluminum pipe cylindraceous as induction coil in cable outlet cone inside, the electrification display power supply; If ring main unit is not installed electrification display as long as connect an earth connection with its ground connection at the fixing hole place with screw.
The main conductive circuit of inlet wire vacuum switch unit 3 is constructed as follows:
Bore 29 interior special-shaped copper rods at A phase cable cone 27, B phase cable cone 28, C phase cable watchband-shaped contactor 10 is installed, be screwed in order again the tubbiness leading-out terminal at base plate 18, watchband-shaped contactor 10 is reliably contacted with bottom plate conductor 21, when fastening, simultaneously sealing gasket 9 is installed between base plate tubbiness leading-out terminal and the cable cone; By press seal pad 9 assurances electric insulation between the two; Static contact isolation switch 22 is fixed by screws in an end of bottom plate conductor 21; 2 isolating switch moving contacts 24 are one group, are installed in the both sides of static contact isolation switch 22 by bearing pin, and isolating switch moving contact 24 is used disc spring pressing, guarantee reliable contact between the two.Isolating switch power transmission shaft 23 is inserted on the isolating switch moving contact 24, and isolating switch power transmission shaft 23 rear ends are fixed on the three phase in one solid sealed pole 12 by bearing, and isolating switch power transmission shaft 23 front ends link to each other with operating mechanism 26.
For poured with epoxy resin forms, bus plug 7 inside are cast with bus plug conductor 8. and at bus plug conductor 8 watchband-shaped contactor 10 are installed at bus plug 7; Be screwed again the tubbiness leading-out terminal at three phase in one solid sealed pole 12, an end of the quiet end conductor 11 of watchband-shaped contactor 10 and vacuum interrupter is reliably contacted, when fastening, simultaneously sealing gasket 9 is installed between base plate tubbiness leading-out terminal and the cable cone; By press seal pad 9 assurances electric insulation between the two; The other end of the quiet end conductor 11 of vacuum interrupter and the quiet end of vacuum interrupter 13 link together.The moved end end face of vacuum interrupter 13 is placed and is flexible coupling 14, the end of thread of arc control device actuating insulated tension pole 15 is screwed in the screwed hole of moved end of vacuum interrupter 13, and compresses 14 the end of being flexible coupling, and guarantees that conduction is reliable.14 the other end of being flexible coupling is fixed on the three phase in one solid sealed pole 12 with combined floodgate contact 15 by screw.The other end of arc control device actuating insulated tension pole 15 and vacuum switch power transmission shaft 16 are connected by bearing pin.Vacuum switch power transmission shaft 16 1 ends are fixed on the three phase in one solid sealed pole 12 by bearing, and the other end of vacuum switch power transmission shaft 16 is connected with operating mechanism 26.When operating mechanism 26 drives 16 motion of vacuum switch power transmission shafts, then drive 15 motions of arc control device actuating insulated tension pole, then drive the moved end motion of vacuum interrupter 13, realize vacuum switch deciliter.When operating mechanism 26 drive isolating switch power transmission shafts 23 rotate, then drive 24 rotations of isolating switch moving contact, realize that the action of isolation ground connection realizes.
Main conductive circuit is by A phase cable cone 27, B phase cable cone 28, C phase cable cone 29 when the vacuum switch, bottom plate conductor 21, static contact isolation switch 22, isolating switch moving contact 24, combined floodgate contact 25, be flexible coupling 14, vacuum interrupter 13, the quiet end conductor 11 of vacuum interrupter, bus plug 7 form, the position on Fig. 5, Fig. 6 is that the isolating switch co-bit is put.
When operating mechanism 26 drives isolating switch power transmission shafts 23, turn clockwise 60 when spending by Fig. 5, Fig. 6, drive 24 rotations of isolating switch moving contact and break away from combined floodgate contacts 25, be between combined floodgate contact 25 and the grounding contact 20, namely isolating switch is in the isolated location;
All electrified bodies of the present invention all place in the pole 24, and interface all connects by sealing shroud 14, has avoided exposing of electrified body, have that volume is little, an environment-friendly type, the advantages such as function is integrated, reliability is high, non-maintaining, solid insulation.
Claims (6)
1. solid isolated vacuum ring main unit, it is characterized in that comprising at least one road inlet wire ring main unit and at least one road outlet ring main unit, the structure of described inlet wire ring main unit is to be installed on the cabinet by screw by the inlet wire vacuum switch unit, and silicon rubber dry type bus is installed in by screw and forms whole inlet wire ring main unit on the bus plug of inlet wire vacuum switch unit; Described outlet ring main unit is to be installed on the cabinet by screw by outlet vacuum switch unit, fuse tripping interlock, fuse auxiliary earth powder operation device, silicon rubber dry type bus is installed on the bus plug of outlet vacuum switch unit by screw, forms whole outlet ring main unit; The structure of described inlet wire vacuum switch unit comprises three phase in one solid sealed pole, base plate, mounting panel, operating mechanism, wherein A phase cable cone, B phase cable cone, C phase cable cone be mutually by before, during and after arranged sequentially, be assembled together by screw and base plate, mounting panel, between three phase in one solid sealed pole and base plate, sealing ring be installed.
2. solid isolated vacuum ring main unit according to claim 1, it is characterized in that described three phase in one solid sealed pole is the shaped piece with cavity that is formed by poured with epoxy resin, the quiet end of vacuum interrupter is connected by an end of the quiet end conductor of screw and vacuum interrupter, totally 3 vacuum interrupters, the quiet end conductors of vacuum interrupter are cast in the epoxy resin together, the other end at the quiet end conductor of vacuum interrupter forms a tubbiness leading-out terminal, for the connection bus plug; End upper at three phase in one solid sealed pole has 12 M10 nuts.
3. solid isolated vacuum ring main unit according to claim 2 is characterized in that the described combined floodgate contact that rotary isolation earthing switch is installed, vacuum switch power transmission shaft, isolating switch power transmission shaft in three phase in one solid sealed pole; Wherein the vacuum switch power transmission shaft is to be welded by connecting lever and square shaft; The isolating switch power transmission shaft is the Special plastic spare that is formed by the Merlon cast, and there are 3 cavitys the centre.
4. solid isolated vacuum ring main unit according to claim 1 is characterized in that described base plate is the shaped piece that is formed by poured with epoxy resin, and the sequential casting before, during and after 3 bottom plate conductors and 3 grounding contacts are pressed is in epoxy resin; Form a tubbiness leading-out terminal at bottom plate conductor one end.
5. solid isolated vacuum ring main unit according to claim 1 is characterized in that described operating mechanism is provided with isolation earthing switch operating mechanism and circuit breaker operation mechanism, is installed in the front portion of three phase in one solid sealed pole by screw.
6. solid isolated vacuum ring main unit according to claim 1, it is characterized in that described outlet vacuum switch unit, its structure is an end of installation adapter on the position of A phase cable cone corresponding to inlet wire ring main unit, B phase cable cone, C phase cable cone, the other end of adapter is reserved with the tubbiness leading-out terminal, the fuse canister assembly is installed in the tubbiness leading-out terminal of adapter with screw, and between fuse canister assembly and tubbiness leading-out terminal, silicone rubber sleeve is installed simultaneously, the fuse tripping interlock is installed on the front end of fuse canister assembly, and fixes by screw with cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410709 CN202797738U (en) | 2012-08-20 | 2012-08-20 | Solid insulation vacuum ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410709 CN202797738U (en) | 2012-08-20 | 2012-08-20 | Solid insulation vacuum ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202797738U true CN202797738U (en) | 2013-03-13 |
Family
ID=47824919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220410709 Expired - Fee Related CN202797738U (en) | 2012-08-20 | 2012-08-20 | Solid insulation vacuum ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202797738U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092142A (en) * | 2013-04-27 | 2014-10-08 | 石家庄科林电气设备有限公司 | Solid insulation ring network cabinet with visual windows on two sides |
| CN104104027A (en) * | 2014-07-11 | 2014-10-15 | 江苏硕德电力技术有限公司 | Solid insulation switch |
-
2012
- 2012-08-20 CN CN 201220410709 patent/CN202797738U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092142A (en) * | 2013-04-27 | 2014-10-08 | 石家庄科林电气设备有限公司 | Solid insulation ring network cabinet with visual windows on two sides |
| CN104092142B (en) * | 2013-04-27 | 2016-03-23 | 石家庄科林电气设备有限公司 | A kind of solid insulation ring main unit with bilateral visual window |
| CN104104027A (en) * | 2014-07-11 | 2014-10-15 | 江苏硕德电力技术有限公司 | Solid insulation switch |
| CN104104027B (en) * | 2014-07-11 | 2017-02-01 | 江苏硕德电力技术有限公司 | Solid insulation switch |
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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: 20130313 Termination date: 20170820 |