CN211829935U - Novel environment-friendly inflatable ring main unit - Google Patents
Novel environment-friendly inflatable ring main unit Download PDFInfo
- Publication number
- CN211829935U CN211829935U CN201921916109.4U CN201921916109U CN211829935U CN 211829935 U CN211829935 U CN 211829935U CN 201921916109 U CN201921916109 U CN 201921916109U CN 211829935 U CN211829935 U CN 211829935U
- Authority
- CN
- China
- Prior art keywords
- cable
- contact
- chamber
- closed air
- air chamber
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses a novel environment-friendly inflatable ring main unit, which comprises a cabinet body, wherein a cable chamber, an operating chamber and an inflatable unit are arranged in the cabinet body; the cable chamber is arranged at the bottom in the cabinet body; the operating room is arranged above the cable room, a circuit breaker operating mechanism is arranged in the operating room, and a three-station isolating switch operating mechanism is arranged below the circuit breaker operating mechanism; the inflation unit is arranged on one side of the operation chamber and comprises a closed air chamber, nitrogen is filled in the closed air chamber, the top and the bottom of the closed air chamber are respectively provided with an incoming cable cone and an outgoing cable cone which extend into the closed air chamber, a circuit breaker assembly is arranged in the closed air chamber, a grounding contact and a three-station isolating switch are further arranged in the closed air chamber, and the three-station isolating switch is in transmission connection with an operation mechanism of the three-station isolating switch. The utility model discloses do not need the sulfur hexafluoride gas that electrical property is high, do not produce harmful substance, environmental protection is effectual.
Description
Technical Field
The utility model relates to a high-voltage distribution equipment field especially relates to a novel looped netowrk cabinet is aerifyd to environment-friendly.
Background
The gas insulated switchgear adopts one or more mixed gases as an insulating or breaking medium of a high-voltage electrified part, and most sulfur hexafluoride gases are adopted in the market at present. However, sulfur hexafluoride gas has been identified as a limited greenhouse gas, and according to the kyoto protocol, sulfur hexafluoride gas is specifically identified as one of the greenhouse gases, and it is required to reduce the amount thereof. In addition, the sulfur hexafluoride gas can decompose toxic gas after the electric arc is cut off, the leakage can endanger the personal safety, and the sulfur hexafluoride gas can not be recycled after the service life of the product is over.
Disclosure of Invention
In order to solve the problem mentioned in the above-mentioned background art, the utility model provides a looped netowrk cabinet is aerifyd to novel environment-friendly does not need the sulfur hexafluoride gas that electrical property is high, does not produce harmful substance, and the environmental protection is effectual.
A novel environment-friendly inflatable ring main unit comprises a cabinet body, wherein a cable chamber, an operation chamber and an inflation unit are arranged in the cabinet body;
the cable chamber is arranged at the bottom in the cabinet body;
the operating room is arranged above the cable room, a circuit breaker operating mechanism is arranged in the operating room, and a three-station isolating switch operating mechanism is arranged below the circuit breaker operating mechanism;
the inflation unit is arranged on one side of the operation chamber and comprises a closed air chamber, nitrogen is filled in the closed air chamber, the top and the bottom of the closed air chamber are respectively provided with an incoming cable cone and an outgoing cable cone which extend into the closed air chamber, and rubber sealing rings are arranged at the joints of the incoming cable cone and the outgoing cable cone and the closed air chamber;
the circuit breaker assembly is arranged in the closed air chamber and comprises an insulating support fixedly connected in the closed air chamber and an embedded pole fixedly connected on the insulating support, a vacuum arc extinguish chamber, a lower contact and an upper contact are arranged in the embedded pole, the upper contact is connected with an incoming cable cone through an overlapping copper bar, the lower contact is connected with an isolation static contact, the lower contact is also connected with a moving end contact of the vacuum arc extinguish chamber through flexible connection, the moving end contact of the vacuum arc extinguish chamber is connected with a circuit breaker operating mechanism through a transmission mechanism, and the circuit breaker operating mechanism is used for driving the moving end contact of the vacuum arc extinguish chamber to be in contact with or separated from a static end contact of the vacuum arc extinguish chamber;
the three-station isolating switch is in transmission connection with a three-station isolating switch operating mechanism, the three-station isolating switch operating mechanism is used for enabling the three-station isolating switch to be connected with the grounding contact or the isolating static contact, the three-station isolating switch is connected with an outgoing cable cone through a bus conductor, and one end of the outgoing cable cone extends into the cable chamber; the outgoing cable cone is connected with a cable head, the cable head is connected with a lightning arrester, the lightning arrester is connected with a cable, a current transformer is sleeved outside the cable, and the current transformer is fixed on the inner wall of the cable chamber;
and an explosion-proof membrane is arranged at the bottom of the closed air chamber.
Further, drive mechanism includes the first pivot of being connected with circuit breaker operating device, first pivot is connected with the single-end turning arm, the single-end turning arm articulates there is insulating pull rod, insulating pull rod surface fixed cover has been cup jointed first spring holder, second spring holder, fixedly connected with compression spring between first spring holder, second spring holder, the compression spring cover is established at insulating pull rod outside, the one end that single-end turning arm was kept away from to insulating pull rod articulates there is the double-end turning arm, the middle part rotatable coupling of double-end turning arm has the second pivot, second pivot and airtight air chamber inner wall fixed connection, the one end that insulating pull rod was kept away from to the double-end turning arm articulates there is the connecting rod, the connecting rod is with vacuum interrupter's the end of moving contact fixed connection.
Further, three station isolator includes the contact seat, be equipped with the contact seat conductor of being connected with the bus conductor on the contact seat, the contact seat conductor articulates there is the switch, the switch passes through the insulating pivot and is connected with three station isolator operating device.
Furthermore, the insulating rotating shaft comprises an insulating rotating shaft body, a through hole is formed in the insulating rotating shaft body and corresponds to the position of the disconnecting link, an insulating sleeve sleeved outside the disconnecting link is fixedly connected to the through hole, and the insulating sleeve drives the disconnecting link to be connected with the grounding contact or the isolating static contact under the transmission of the three-station isolating switch operating mechanism.
The utility model has the advantages that:
1. the utility model discloses regard as the medium with nitrogen gas, do not need the sulfur hexafluoride gas that electrical property is high, do not produce harmful substance, recoverable when the product life ends, environmental protection is effectual.
2. The utility model discloses all electrified bodies are all installed in the airtight air chamber, and inlet wire cable awl, the junction of being qualified for the next round of competitions cable awl and airtight air chamber all are equipped with rubber seal, and is sealed effectual, and external environment does not have the influence to the electrical property of looped netowrk cabinet.
3. The utility model adopts vacuum arc extinguishing, which does not produce electric arc and explosion or harmful gas.
4. The utility model discloses be equipped with the rupture membrane, improved the security.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the inflator unit.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Wherein, 1 is a cabinet body, 2 is a cable chamber, 3 is an operation chamber, 4 is a closed air chamber, 5 is a breaker operation mechanism, 6 is a three-position isolating switch operation mechanism, 7 is an incoming cable cone, 8 is an outgoing cable cone, 9 is an insulating bracket, 10 is a solid-sealed polar pole, 11 is a vacuum arc extinguish chamber, 12 is a lower contact, 13 is an upper contact, 14 is a lapping copper bar, 15 is an isolating fixed contact, 16 is a flexible connection, 17 is a three-position isolating switch, 1701 is a contact base, 1702 is a contact base conductor, 1703 is a knife brake, 1704 is an insulating rotating shaft body, 1705 is an insulating sleeve, 18 is a bus conductor, 19 is an explosion-proof film, 20 is a first rotating shaft, 21 is a single-head crank arm, 22 is an insulating pull rod, 23 is a first spring seat, 24 is a second spring seat, 25 is a compression spring, 26 is a double-head crank arm, 27 is a second rotating shaft, 28 is a connecting rod, 29 is a cable head, 30 is a lightning, 31 is a cable, 32 is a current transformer, 33 is a grounding contact, and 34 is an air pressure detection meter.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.
A novel environment-friendly inflatable ring main unit comprises a main unit body 1, wherein a cable chamber 2, an operation chamber 3 and an inflation unit are arranged in the main unit body 1;
the cable chamber 2 is arranged at the bottom in the cabinet body 1;
the operating room 3 is arranged above the cable room 2, a circuit breaker operating mechanism 5 is arranged in the operating room 3, and a three-station isolating switch operating mechanism 6 is arranged below the circuit breaker operating mechanism 5; the circuit breaker operating mechanism 5 and the three-position disconnecting switch operating mechanism 6 are both in the prior art, and are not described in detail herein.
The inflation unit is arranged on one side of the operation chamber 3 and comprises a closed air chamber 4, the top and the bottom of the closed air chamber 4 are respectively provided with an incoming cable cone 7 and an outgoing cable cone 8 which extend into the closed air chamber 4, and rubber sealing rings are arranged at the joints of the incoming cable cone 7, the outgoing cable cone 8 and the closed air chamber 4; the incoming cable cone 7 and the outgoing cable cone 8 are both formed by pouring conductive copper bars with epoxy resin.
A circuit breaker assembly is arranged in the closed air chamber 4, the circuit breaker assembly comprises an insulating support 9 fixedly connected in the closed air chamber 4 and an embedded pole 10 fixedly connected on the insulating support 9, a vacuum arc-extinguishing chamber 11, a lower contact 12 and an upper contact 13 are arranged in the embedded pole 10, and the vacuum arc-extinguishing chamber 11, the upper contact 12 and the lower contact 13 are poured together by epoxy resin through the embedded pole 10; the upper contact 13 is connected with the incoming cable cone 7 through an overlapping copper bar 14, the lower contact 12 is connected with an isolation static contact 15, the lower contact 12 is also connected with a movable end contact of the vacuum arc-extinguishing chamber 11 through a flexible connection 16, the movable end contact of the vacuum arc-extinguishing chamber 11 is connected with the circuit breaker operating mechanism 5 through a transmission mechanism, and the circuit breaker operating mechanism 5 is used for driving the movable end contact of the vacuum arc-extinguishing chamber 11 to be in contact with or separated from the static end contact of the vacuum arc-extinguishing chamber 11; the flexible connection 16 is adopted, so that deformation is avoided and reliable connection is realized under the condition of frequent switching-off and switching-on.
The three-station isolating switch 17 is in transmission connection with the three-station isolating switch operating mechanism 6, the three-station isolating switch operating mechanism 6 is used for connecting the three-station isolating switch 17 with the grounding contact 33 or the isolating static contact 15, the three-station isolating switch 17 is connected with the outgoing cable cone 8 through the bus conductor 18, and one end of the outgoing cable cone 8 extends into the cable chamber 2;
the outgoing cable cone 8 is connected with a cable head 29, the cable head 29 is connected with a lightning arrester 30, the lightning arrester 30 is connected with a cable 31, a current transformer 32 is sleeved outside the cable 31, and the current transformer 32 is fixed on the inner wall of the cable chamber 2.
The bottom of the closed air chamber 4 is provided with an explosion-proof membrane 19. The rupture membrane 19 is used for pressure relief to prevent the explosion of the closed air chamber 4.
Wherein, drive mechanism includes the first pivot 20 of being connected with circuit breaker operating device 5, first pivot 20 is connected with single-end turning arm 21, single-end turning arm 21 articulates there is insulating pull rod 22, insulating pull rod 22 surface fixed cover has been cup jointed first spring holder 23, second spring holder 24, first spring holder 23, fixedly connected with compression spring 25 between second spring holder 24, compression spring 25 cover is established at insulating pull rod outside 22, the one end that single-end turning arm 21 was kept away from to insulating pull rod 22 articulates there is double-end turning arm 26, the middle part rotatable connection of double-end turning arm 26 has second pivot 27, second pivot 27 and 4 inner wall fixed connection of airtight air chamber, the one end that insulating pull rod 22 was kept away from to double-end turning arm 26 articulates there is connecting rod 28, connecting rod 28 and vacuum interrupter 11's movable end contact fixed connection.
The three-position isolating switch 17 comprises a contact seat 1701, a contact seat conductor 1702 connected with the bus conductor 18 is arranged on the contact seat 1701, the contact seat conductor 1702 is hinged with a disconnecting link 1703, and the disconnecting link 1703 is connected with the three-position isolating switch operating mechanism 6 through an insulating rotating shaft.
The insulating rotating shaft comprises an insulating rotating shaft body 1704, a through hole is formed in the insulating rotating shaft body 1704 and the position of the disconnecting link 1703 correspondingly, an insulating sleeve 1705 sleeved outside the disconnecting link 1703 is fixedly connected to the through hole, and the insulating sleeve 1705 drives the disconnecting link 1703 to be connected with the grounding contact 33 or the isolating static contact 15 under the transmission of the three-position isolating switch operating mechanism 6.
Further, the closed air chamber 4 is provided with an air pressure detection gauge 34.
The utility model discloses when concrete implementation: the three-position disconnecting switch operating mechanism 6 drives the disconnecting link 1703 to rotate through the insulating rotating shaft, and when the disconnecting link 1703 rotates until the grounding contact 33 is connected with the grounding contact 33, the three-position disconnecting switch 17 is in a grounding position. When the disconnecting link 1703 rotates to the isolating fixed contact 15 to be connected with the isolating fixed contact 15, the circuit breaker operating mechanism 5 drives the first rotating shaft 20 to rotate, and then the moving end contact of the vacuum arc extinguish chamber 11 is driven to be in contact with the fixed end contact, so that the circuit breaker assembly is switched on.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A novel environment-friendly inflatable ring main unit comprises a cabinet body, and is characterized in that a cable chamber, an operation chamber and an inflation unit are arranged in the cabinet body;
the cable chamber is arranged at the bottom in the cabinet body;
the operating room is arranged above the cable room, a circuit breaker operating mechanism is arranged in the operating room, and a three-station isolating switch operating mechanism is arranged below the circuit breaker operating mechanism;
the inflation unit is arranged on one side of the operation chamber and comprises a closed air chamber, nitrogen is filled in the closed air chamber, the top and the bottom of the closed air chamber are respectively provided with an incoming cable cone and an outgoing cable cone which extend into the closed air chamber, and rubber sealing rings are arranged at the joints of the incoming cable cone and the outgoing cable cone and the closed air chamber;
the circuit breaker assembly is arranged in the closed air chamber and comprises an insulating support fixedly connected in the closed air chamber and an embedded pole fixedly connected on the insulating support, a vacuum arc extinguish chamber, a lower contact and an upper contact are arranged in the embedded pole, the upper contact is connected with an incoming cable cone through an overlapping copper bar, the lower contact is connected with an isolation static contact, the lower contact is also connected with a moving end contact of the vacuum arc extinguish chamber through flexible connection, the moving end contact of the vacuum arc extinguish chamber is connected with a circuit breaker operating mechanism through a transmission mechanism, and the circuit breaker operating mechanism is used for driving the moving end contact of the vacuum arc extinguish chamber to be in contact with or separated from a static end contact of the vacuum arc extinguish chamber;
the three-station isolating switch is in transmission connection with a three-station isolating switch operating mechanism, the three-station isolating switch operating mechanism is used for enabling the three-station isolating switch to be connected with the grounding contact or the isolating static contact, the three-station isolating switch is connected with an outgoing cable cone through a bus conductor, and one end of the outgoing cable cone extends into the cable chamber; the outgoing cable cone is connected with a cable head, the cable head is connected with a lightning arrester, the lightning arrester is connected with a cable, a current transformer is sleeved outside the cable, and the current transformer is fixed on the inner wall of the cable chamber;
and an explosion-proof membrane is arranged at the bottom of the closed air chamber.
2. The novel environment-friendly inflatable ring main unit as claimed in claim 1, wherein the transmission mechanism comprises a first rotating shaft connected with the circuit breaker operating mechanism, the first rotating shaft is connected with a single-head crank arm, the single-head crank arm is hinged with an insulating pull rod, a first spring seat and a second spring seat are fixedly sleeved on the outer surface of the insulating pull rod, a compression spring is fixedly connected between the first spring seat and the second spring seat, the compression spring is sleeved outside the insulating pull rod, a double-head crank arm is hinged to one end, away from the single-head crank arm, of the insulating pull rod, a second rotating shaft is rotatably connected to the middle of the double-head crank arm, the second rotating shaft is fixedly connected with the inner wall of the closed air chamber, a connecting rod is hinged to one end, away from the insulating pull rod, of the double-head crank arm, and the connecting rod.
3. The novel environment-friendly type inflatable ring main unit as claimed in claim 1, wherein the three-position disconnecting switch comprises a contact seat, a contact seat conductor connected with the bus conductor is arranged on the contact seat, the contact seat conductor is hinged with a disconnecting link, and the disconnecting link is in transmission connection with the three-position disconnecting switch operating mechanism through an insulation rotating shaft.
4. The new environmental protection type inflatable ring main unit as claimed in claim 3, wherein the insulating shaft includes an insulating shaft body, a through hole is formed in the insulating shaft body corresponding to the position of the switch, an insulating sleeve is fixedly connected to the through hole and sleeved outside the switch, and the insulating sleeve drives the switch to connect with the grounding contact or the isolating static contact under the transmission of the three-position isolating switch operating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921916109.4U CN211829935U (en) | 2019-11-08 | 2019-11-08 | Novel environment-friendly inflatable ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921916109.4U CN211829935U (en) | 2019-11-08 | 2019-11-08 | Novel environment-friendly inflatable ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211829935U true CN211829935U (en) | 2020-10-30 |
Family
ID=73145626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921916109.4U Active CN211829935U (en) | 2019-11-08 | 2019-11-08 | Novel environment-friendly inflatable ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211829935U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112993844A (en) * | 2021-01-29 | 2021-06-18 | 南瑞集团有限公司 | Environment-friendly 145 KV-72 kV combined type combined electrical equipment |
| CN114156764A (en) * | 2021-11-18 | 2022-03-08 | 江苏大烨智能电气股份有限公司 | Novel inflatable switch cabinet |
| CN114389193A (en) * | 2021-12-01 | 2022-04-22 | 平高集团有限公司 | Inflatable overhead incoming line cabinet |
-
2019
- 2019-11-08 CN CN201921916109.4U patent/CN211829935U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112993844A (en) * | 2021-01-29 | 2021-06-18 | 南瑞集团有限公司 | Environment-friendly 145 KV-72 kV combined type combined electrical equipment |
| CN114156764A (en) * | 2021-11-18 | 2022-03-08 | 江苏大烨智能电气股份有限公司 | Novel inflatable switch cabinet |
| CN114156764B (en) * | 2021-11-18 | 2024-02-06 | 江苏大烨智能电气股份有限公司 | Inflatable switch cabinet |
| CN114389193A (en) * | 2021-12-01 | 2022-04-22 | 平高集团有限公司 | Inflatable overhead incoming line cabinet |
| CN114389193B (en) * | 2021-12-01 | 2023-12-15 | 平高集团有限公司 | Inflatable overhead wire inlet cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211829935U (en) | Novel environment-friendly inflatable ring main unit | |
| CN105119183A (en) | Nitrogen insulation annular net cabinet | |
| CN106848909A (en) | One kind is without isolated switchgear under bin static contact non-SF 6 gas insulative | |
| TW201616541A (en) | Switchgear | |
| CN203134677U (en) | Insulating cylinder and main loop structure adopting same | |
| CN103368096A (en) | Solid insulation ring main unit | |
| JPS5846809B2 (en) | Full system system switch | |
| CN105071277A (en) | Environment-friendly inflatable ring main unit | |
| CN205542567U (en) | Outdoor vacuum load switch | |
| CN205029239U (en) | Insulating looped netowrk cabinet of nitrogen gas | |
| CN202513073U (en) | Insulation tube and main circuit structure employing same | |
| CN205810681U (en) | A kind of solid insulation high-pressure vacuum breaker disconnecting switch | |
| CN206574642U (en) | The pillar high-pressure vacuum breaker of silicon rubber sealed pole | |
| CN108198729A (en) | A kind of double gas chamber high-pressure vacuum breakers | |
| CN206640195U (en) | One kind is without isolated switchgear under bin static contact non-SF 6 gas insulative | |
| CN106848908A (en) | One kind is without bin static contact non-SF 6 gas insulative switchgear | |
| CN208622649U (en) | A kind of gas-insulated vacuum load switch | |
| CN202797734U (en) | Combination switch cabinet of solid insulation fuse | |
| CN207021580U (en) | One kind is without bin static contact non-SF 6 gas insulative switchgear | |
| CN202797733U (en) | Integrated wire outlet switch | |
| CN207199543U (en) | A kind of flameproof circuit breaker | |
| US4378751A (en) | Condition indicating device for a puffer type load break switch | |
| CN205070287U (en) | Solid insulation switch cabinet | |
| CN104917095A (en) | Complete coating-type three-position isolation circuit breaker | |
| CN203536279U (en) | Disconnecting switch structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |