CN202586144U - Solid insulated vacuum ring main unit - Google Patents
Solid insulated vacuum ring main unit Download PDFInfo
- Publication number
- CN202586144U CN202586144U CN 201220194141 CN201220194141U CN202586144U CN 202586144 U CN202586144 U CN 202586144U CN 201220194141 CN201220194141 CN 201220194141 CN 201220194141 U CN201220194141 U CN 201220194141U CN 202586144 U CN202586144 U CN 202586144U
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- CN
- China
- Prior art keywords
- vacuum interrupter
- vacuum
- pole
- station
- ring main
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- 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 relates to a solid insulated vacuum ring main unit, which is structured that a standard cable head and a standard silicon rubber dry-type bus are mounted on a vacuum switch unit in a cabinet body through screws; and the standard cable head and the standard silicon rubber dry-type bus are mounted on a cable plug and a bus plug of embedded poles, respectively. The solid insulated vacuum ring main unit has the following advantages that a three-position vacuum arc extinguishing chamber is provided with three working positions in total including closing, closing isolation and grounding, so that the switch structure is simplified; no harmful substance is produced in the working process so that the environment is protected; as all charged bodies are cast or mounted in epoxy resin, the electrical properties of the ring main unit can not be affected by the external environment; in this way, equipment repair times is reduced and the service life of the equipment is prolonged; all the charged bodies are arranged inside the epoxy resin, and for a part where an induced voltage is possible to generate, a semiconductor material is sprayed to the outside of the epoxy resin and the induced voltage can be grounded through the material; and therefore, the electric shock hazard is avoided even though the induced voltage is touched by people, and the solid insulated vacuum ring main unit has safety.
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.
Background technology
The ring main unit majority is the gas-insulated ring main unit 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 be prone to leak, complicated to the seal request height and the processing technology of casing, it is complicated to cause the maintenance of gas-insulated ring main unit 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 main unit or cut-off medium, SF6 gas is clearly classified as one of greenhouse gases, requires to reduce its use amount.
Summary of the invention
What the utility model proposed is a kind of novel solid insulation ring main unit, and its purpose is to overcome the above-mentioned defective of existing in prior technology, has that volume is little, an environment-friendly type, advantages such as function is integrated, reliability is high, non-maintaining, solid insulation.
The technical solution of the utility model: its structure comprises vacuum switch unit, cabinet, standard electric cable end, standard silicone rubbers dry type bus, and wherein standard electric cable end, standard silicone rubbers dry type bus are installed on the vacuum switch unit in the cabinet through screw; Described standard electric cable end, standard silicone rubbers dry type bus are installed in respectively on the cable plug and bus plug of pole.
Vacuum switch unit is connected with cabinet through screw, is installed in the cabinet middle part.
The advantage of the utility model: owing to adopted three station vacuum interrupters, himself have combined floodgate, separating brake (isolation), ground connection totally three service positions, just can cancel traditional isolating switch.The great like this structure of simplifying switch; 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 improves the feature of environmental protection of product, adapts to the environmental protection demand.Because all electrified bodies are all poured into a mould or are installed in the epoxy resin, can not receive like the influence of external environment conditions such as steam, dust to the electric property of ring main unit.Reduced equipment maintenance, prolonged useful life.Because electrified body is all inner at epoxy resin; And to producing the place of induced voltage, semiconductor substance is arranged in the epoxy resin external spray, through this material 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.
Description of drawings
Accompanying drawing 1 is the structure chart of solid isolated vacuum ring main unit.
Accompanying drawing 2 is end views of Fig. 1.
Accompanying drawing 3 is vacuum switch unit structure charts of solid isolated vacuum ring main unit.
Accompanying drawing 4 is end views of Fig. 3.
Accompanying drawing 5 is three station vacuum interrupter internal structure sketch mapes.
Among the figure 1 is vacuum switch unit; The 2nd, cabinet; The 3rd, the standard electric cable end; The 4th, standard silicone rubbers dry type bus; The 5th, Magnetic Actuator for Vacuum Circuit Breaker mechanism; The 6th, pole; The 7th, arc control device actuating insulated tension pole; The 8th, be flexible coupling; 9 is three station vacuum interrupters; The 10th, the quiet line conductor that brings out of vacuum interrupter; The 11st, bonding conductor; The 12nd, the cable plug of pole; The 13rd, vacuum interrupter moved end outlet conductor; The 14th, the bus plug of pole; 15 is three station vacuum interrupter A main contacts; 16 is three station vacuum interrupter B main contacts; 17 is three station vacuum interrupter A grounding contacts; 18 is three station vacuum interrupter B grounding contacts.
Embodiment
Contrast accompanying drawing 1,2; The structure of solid isolated vacuum ring main unit comprises vacuum switch unit 1, cabinet 2, standard electric cable end 3, standard silicone rubbers dry type bus 4, and wherein standard electric cable end 3, standard silicone rubbers dry type bus 4 are installed on the vacuum switch unit 1 in the cabinet 2 through screw.
Described standard electric cable end 3, standard silicone rubbers dry type bus 4 are installed on the bus plug of pole.
Contrast accompanying drawing 3,4, the structure of vacuum switch unit 1 comprises:
Magnetic Actuator for Vacuum Circuit Breaker mechanism 5, pole 6, arc control device actuating insulated tension pole 7,8, the three station vacuum interrupters 9 that are flexible coupling, vacuum interrupter be quiet to bring out cable plug 12, the vacuum interrupter moved end outlet conductor 13 of line conductor 10, bonding conductor 11, pole, the bus plug 14 of pole, and wherein pole 6 totally 3 is installed in the back of operating mechanism chamber 5 through screw by the left, center, right order;
The quiet end of three station vacuum interrupters 9 links together through screw and the quiet line conductor of being processed by copper material 10 that brings out of vacuum interrupter; Processing bonding conductor 11, vacuum interrupter moved end outlet conductor 13 by copper material links together through screw; The shaped piece that has cavity that pole 6 forms for poured with epoxy resin; Quiet end with three station vacuum interrupters 9 before the cast links together through screw and the quiet line conductor of being processed by copper material 10 that brings out of vacuum interrupter; Processing bonding conductor 11, vacuum interrupter moved end outlet conductor 13 by copper material links together through screw; Described vacuum interrupter is quiet to bring out line conductor 10, process bonding conductor 11 by copper material links together and is cast in the epoxy resin; Be cast in that vacuum interrupter in the epoxy resin is quiet to bring out the bus plug 14 that line conductor 10 is poles, be cast in and process the cable plug 12 that bonding conductor 11 is poles by copper material in the epoxy resin;
Arc control device actuating insulated tension pole 7 is installed in the described pole 6, is flexible coupling 8; 8 the end of wherein being flexible coupling is pressed in the moving conductive rod surface of three station vacuum interrupters 9 through arc control device actuating insulated tension pole 7, and 8 the other end of being flexible coupling is connected on the vacuum interrupter moved end outlet conductor 13 through screw; Arc control device actuating insulated tension pole 7 one ends are connected with the moving conductive rod of three station vacuum interrupters 9 through being threaded, and arc control device actuating insulated tension pole 7 other ends are connected with the output of Magnetic Actuator for Vacuum Circuit Breaker mechanism 5; Inside at arc control device actuating insulated tension pole 7 is equipped with spring, supplies three station vacuum interrupters that enough contact pressures are provided when combined floodgate or ground connection.
The bus plug 14 of described pole supplies to connect A, B, C three-phase standard silicone rubbers dry type bus usefulness; The cable plug 12 of pole supplies to connect A, B, C three-phase standard electric cable end usefulness.
The cable plug 12 of described pole is in inside and is cast with 1 aluminum pipe cylindraceous as induction coil, and through screw be drawn out to the surface supply power to electrification display.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.
Main conductive circuit when vacuum switch unit 1 is in the service position:
Magnetic Actuator for Vacuum Circuit Breaker mechanism 5 moves to closing position and drives three station vacuum interrupter A main contacts and the applying of three station vacuum interrupter B main contacts through arc control device actuating insulated tension pole 7; Vacuum switch promptly is in closing position, main conductive circuit by vacuum interrupter quietly bring out line conductor 10, three station vacuum interrupter A main contacts, three station vacuum interrupter B main contacts, be flexible coupling 8, bonding conductor 11, vacuum interrupter moved end outlet conductor 13 form.The vacuum gap that 18mm is arranged between three station vacuum interrupter A grounding contacts, the three station vacuum interrupter B grounding contacts at this moment approximately;
Main conductive circuit when vacuum switch unit 1 is in separating brake (isolation) position:
Magnetic Actuator for Vacuum Circuit Breaker mechanism 5 moves to separating brake (isolation) position and separates about 9mm through arc control device actuating insulated tension pole 7 drives three station vacuum interrupter A main contacts with three station vacuum interrupter B main contacts; Vacuum switch promptly is in separating brake (isolation) position; Main conductive circuit is because three station vacuum interrupter A main contacts, three station vacuum interrupter B main contacts separate and the vacuum gap of the 9mm that also has an appointment between the three station vacuum interrupter A grounding contacts, three station vacuum interrupter B grounding contacts.This moment, vacuum switch was in separating brake (isolation) position.
Main conductive circuit when vacuum switch unit 1 is in earthing position:
Magnetic Actuator for Vacuum Circuit Breaker mechanism 5 moves to earthing position and continues to separate with three station vacuum interrupter B main contacts through arc control device actuating insulated tension pole 7 drives three station vacuum interrupter A main contacts.Fit between three station vacuum interrupter A grounding contacts, the three station vacuum interrupter B grounding contacts; Because three station vacuum interrupter B grounding contacts link to each other with the main grounded circuit of cabinet, will be flexible coupling 8 this moment, the loop and the main grounded circuit of bonding conductor 11,13 connections of vacuum interrupter moved end outlet conductor link together; Vacuum switch is in earthing position.
The surface that three station vacuum interrupter B grounding contacts stretch out pole 6 after the moulding supplies to be connected to grounded circuit and uses.
Contrast accompanying drawing 5; Three station vacuum interrupter internal structures comprise three station vacuum interrupter A main contacts 15, three station vacuum interrupter B main contacts 16, three station vacuum interrupter A grounding contacts 17, three station vacuum interrupter B grounding contacts 18; Described three station vacuum interrupter A main contacts 15, three station vacuum interrupter B main contacts 16 adopt vertical magnetic field spiral contact structure, have to cut-off and close the ability of closing short circuit current; Three station vacuum interrupter A grounding contacts 17, three station vacuum interrupter B grounding contacts 18 adopt dull and stereotyped contact, have the ability of closing short circuit current of closing.
Three station vacuum interrupter A main contacts 15, three station vacuum interrupter B main contacts 16 are fitted, i.e. closing positions.Have gap about 18mm between station vacuum interrupter A grounding contact 17, the three station vacuum interrupter B grounding contacts 18 this moments three.When station vacuum interrupter A main contact 15, when three station vacuum interrupter B main contacts were opened the 9mm left and right sides in 16 minutes; Gap between three station vacuum interrupter A grounding contacts 17, the three station vacuum interrupter B grounding contacts 18 is reduced to about 9mm, is in separating brake (isolation) position this moment.When station vacuum interrupter A main contact 15, three station vacuum interrupter B main contacts 16 continue separately between three station vacuum interrupter A grounding contacts 17, three station vacuum interrupter B grounding contacts 18, to fit, be in earthing position this moment.
The employing three station vacuum interrupters of the utility model; Greatly simplified the structure of switch; And the cut-offfing of all running currents or short circuit current, close and close and the pass of earth fault is closed all and born by vacuum interrupter, can not produce danger such as electric arc, blast.All electrified bodies all place in the pole 6 in addition, and interface has been avoided exposing of electrified body all through being tightly connected, and have that volume is little, an environment-friendly type, advantage such as function is integrated, reliability is high, non-maintaining, solid insulation.
Claims (4)
1. solid isolated vacuum ring main unit is characterized in that comprising vacuum switch unit, cabinet, standard electric cable end, standard silicone rubbers dry type bus, and wherein standard electric cable end, standard silicone rubbers dry type bus are installed on the vacuum switch unit in the cabinet through screw; Described standard electric cable end, standard silicone rubbers dry type bus are installed in respectively on the cable plug and bus plug of pole.
2. solid isolated vacuum ring main unit according to claim 1; The structure that it is characterized in that vacuum switch unit comprises Magnetic Actuator for Vacuum Circuit Breaker mechanism, pole, arc control device actuating insulated tension pole, is flexible coupling, the bus plug of the quiet cable plug that brings out line conductor, bonding conductor, pole of three station vacuum interrupters, vacuum interrupter, vacuum interrupter moved end outlet conductor, pole; Wherein pole is installed in the back of operating mechanism chamber through screw by left, center, right order common phase; The quiet end of three station vacuum interrupters links together through screw and the quiet line conductor of being processed by copper material that brings out of vacuum interrupter; By copper material process bonding conductor, outlet conductor dbus in vacuum interrupter moved end is crossed screw and is linked together; Pole is the shaped piece that has cavity that poured with epoxy resin forms; Quiet end with three station vacuum interrupters before the cast links together through screw and the quiet line conductor of being processed by copper material that brings out of vacuum interrupter; By copper material process bonding conductor, outlet conductor dbus in vacuum interrupter moved end is crossed screw and is linked together; Described vacuum interrupter is quiet to bring out the line conductor and processes bonding conductor by copper material and link together and be cast in the epoxy resin; Be cast in that vacuum interrupter in the epoxy resin is quiet to bring out the bus plug that the line conductor is a pole, be cast in and process the cable plug that bonding conductor is a pole by copper material in the epoxy resin.
3. solid isolated vacuum ring main unit according to claim 1; It is characterized in that arc control device actuating insulated tension pole being installed in the described pole, being flexible coupling; An end that wherein is flexible coupling is surperficial through the moving conductive rod that arc control device actuating insulated tension pole is pressed in three station vacuum interrupters, and the other end that is flexible coupling is connected on the vacuum interrupter moved end outlet conductor through screw; Arc control device actuating insulated tension pole one end is connected with the moving conductive rod of three station vacuum interrupters through being threaded, and the arc control device actuating insulated tension pole other end is connected with the output of Magnetic Actuator for Vacuum Circuit Breaker mechanism; Inside at arc control device actuating insulated tension pole is equipped with spring, supplies three station vacuum interrupters that enough contact pressures are provided when combined floodgate or ground connection.
4. solid isolated vacuum ring main unit according to claim 2; It is characterized in that three station vacuum interrupter internal structures comprise three station vacuum interrupter A main contacts, three station vacuum interrupter B main contacts, three station vacuum interrupter A grounding contacts, three station vacuum interrupter B grounding contacts; Wherein three station vacuum interrupter A main contacts, three station vacuum interrupter B main contacts adopt vertical magnetic field spiral contact structure, and three station vacuum interrupter A grounding contacts, three station vacuum interrupter B grounding contacts adopt dull and stereotyped contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220194141 CN202586144U (en) | 2012-05-03 | 2012-05-03 | Solid insulated vacuum ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220194141 CN202586144U (en) | 2012-05-03 | 2012-05-03 | Solid insulated vacuum ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202586144U true CN202586144U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220194141 Expired - Fee Related CN202586144U (en) | 2012-05-03 | 2012-05-03 | Solid insulated vacuum ring main unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN202586144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664363A (en) * | 2012-05-03 | 2012-09-12 | 西安西能电器新技术发展有限公司 | Solid-insulation vacuum ring main unit |
-
2012
- 2012-05-03 CN CN 201220194141 patent/CN202586144U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664363A (en) * | 2012-05-03 | 2012-09-12 | 西安西能电器新技术发展有限公司 | Solid-insulation vacuum ring main unit |
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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: 20121205 Termination date: 20170503 |