CN111091998B - Outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker - Google Patents
Outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker Download PDFInfo
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- CN111091998B CN111091998B CN201811269997.5A CN201811269997A CN111091998B CN 111091998 B CN111091998 B CN 111091998B CN 201811269997 A CN201811269997 A CN 201811269997A CN 111091998 B CN111091998 B CN 111091998B
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- driving shaft
- vacuum
- drive
- circuit breaker
- vacuum gun
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses an outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker, which comprises a circuit breaker frame body, an operating mechanism, three groups of vacuum cannon devices and three groups of isolation switches, wherein the vacuum cannon devices and the isolation switches are in a delta-shaped layout; three groups of grounding switches are also arranged on the breaker frame body; the isolating switch driving shaft and the vacuum gun driving shaft are connected in series through the operating structure; the grounding switch driving shaft is provided with a grounding driving rod which is connected with the connecting rod; a crank arm is arranged on the driving shaft of the vacuum gun; the top end of the connecting rod is connected with the tail end of the crank arm. According to the invention, the vacuum cannon and the isolating switch are linked in series, so that the power output mechanism is effectively simplified, and the system stability is improved. By adopting the triangular layout of the pole and the vacuum gun, the overall dimension of the circuit breaker is effectively reduced, the circuit breaker has a more compact structure, and the occupied area is smaller.
Description
Technical Field
The invention relates to the field of vacuum circuit breakers, in particular to an outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker.
Background
With the wide application of the vacuum circuit breaker, the operational reliability of the vacuum circuit breaker is more and more concerned. The action of the circuit breaker is mainly accomplished by its operating mechanism. Therefore, the workability and reliability of the circuit breaker operating mechanism determine the workability and reliability of the circuit breaker. In the statistics of the operation faults of the circuit breaker, most faults are faults of the operating mechanism. Therefore, the main approach to improve the reliability of the vacuum circuit breaker is to improve the safety and reliability of the operating mechanism.
The design of the linkage function of the switch operating mechanism plays an important role in normal operation of a power network, and the linkage function generally comprises the functions of preventing mistaken separation and mistaken closing of a load switch, preventing the disconnection and closing of an isolating switch with load, preventing the ground switch from being connected in a live manner, preventing the load switch from being connected in a live manner by the ground switch, preventing the load switch from being connected in a live interval by mistake and the like. Therefore, how to realize the main switch closing linkage, the main switch opening linkage, the grounding closing linkage, the grounding opening linkage, the linkage between the main shaft and the grounding shaft and other functions through mechanical design and optimization, and the main problems to be solved are achieved for the purposes of safe use, safe maintenance and detection.
On the other hand, there is an increasing demand from customers for miniaturization of vacuum circuit breakers. The purpose of miniaturization is to reduce space, the comprehensive floor space and the plane space of the power supply equipment, which is very important for developing new generation high voltage complete equipment.
Disclosure of Invention
The invention aims to research and develop an indoor miniaturized isolation series linkage vacuum circuit breaker to improve the operation safety and reliability, reduce the size and reduce the occupied area.
In order to achieve the purpose, the technical scheme of the invention is as follows: an outdoor miniaturized high voltage AC isolation series linkage vacuum circuit breaker, comprising:
The circuit breaker comprises a circuit breaker frame body, an operating mechanism connected with the circuit breaker frame body, three groups of vacuum cannon devices arranged on the circuit breaker frame body, and three groups of isolating switches arranged on the circuit breaker frame body, wherein the vacuum cannon devices and the isolating switches are in a delta-shaped layout, so that the longitudinal volume of the circuit breaker is reduced; three groups of grounding switches are further arranged on the breaker frame body;
the isolating switch is driven to be opened and closed by an isolating switch driving shaft; the vacuum gun device is driven to open and close through a vacuum gun driving shaft; the grounding switch is driven to be opened and closed by a grounding switch driving shaft;
the isolating switch driving shaft and the vacuum gun driving shaft are connected in series through an operating structure;
when the brake is switched off, the vacuum gun driving shaft rotates to drive the vacuum gun device to be switched off, and drives the isolating switch driving shaft to drive the isolating switch to be switched off in a linkage manner, so that series linkage is realized;
when the vacuum gun is switched on, the isolating switch driving shaft rotates to drive the isolating switch to be switched on, and the vacuum gun driving shaft is driven to drive the vacuum gun device to be switched on in a linkage manner, so that series linkage is realized;
when reclosing, the vacuum gun driving shaft rotates to drive the vacuum gun device to open, and drives the isolating switch driving shaft to drive the isolating switch to open in a linkage manner; the isolating switch driving shaft rotates again to drive the isolating switch to be switched on, and the vacuum cannon driving shaft is driven to drive the vacuum cannon device to be switched on in a linkage manner; the vacuum gun driving shaft rotates to drive the vacuum gun device to open the brake, and drives the isolating switch driving shaft to drive the isolating switch to open the brake in a linkage manner, so that three-time series linkage is realized;
The grounding switch driving shaft is provided with a grounding driving rod which is connected with a connecting rod; a crank arm is arranged on the vacuum gun driving shaft; the top end of the connecting rod is connected to the tail end of the crank arm;
the grounding switch driving shaft rotates clockwise, the grounding driving rod swings clockwise and upwards to drive the connecting rod to move downwards, and the crank arm drives the vacuum gun driving shaft to rotate to drive the vacuum gun device to open; the grounding switch driving shaft rotates anticlockwise, the grounding driving rod swings anticlockwise and downwards to drive the connecting rod to move upwards, and the crank arm drives the vacuum gun driving shaft to rotate to drive the vacuum gun device to be switched on.
The invention has the beneficial effects that:
compare with traditional vacuum insulated circuit breaker, through the series connection linkage that adopts vacuum cannon and isolator, not only can effectual simplification power take off mechanism, improve system stability, at the reclosing in-process moreover, can avoid traditional circuit breaker only to open and shut overvoltage or LC return circuit that vacuum cannon probably arouses to the influence of circuit through vacuum cannon and isolator time interval's control, improve the reliability of circuit breaker.
Compared with the traditional vacuum insulated circuit breaker, the grounding switch is in series linkage with the vacuum gun, so that the opening and closing capacity of the grounding switch can be effectively improved, and the system stability is improved.
By adopting the delta-shaped layout of the pole and the vacuum gun, the appearance size of the circuit breaker is effectively reduced, the circuit breaker has a more compact structure, and the occupied area is smaller.
The indoor miniaturized isolation series linkage vacuum circuit breaker has the characteristics of small size, high safety performance of an operating mechanism, good stability, convenience in operation and the like.
Drawings
FIG. 1 is a front view of the structure of an outdoor miniaturized high-voltage AC isolation series linkage vacuum circuit breaker of the present invention;
FIG. 2 is a structural side view of the outdoor miniaturized high-voltage AC isolation series linkage vacuum circuit breaker of the present invention;
the accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, an outdoor miniaturized high-voltage ac isolation series linkage vacuum circuit breaker includes:
the circuit breaker comprises a circuit breaker frame body, an operating mechanism 6 connected with the circuit breaker frame body, three groups of vacuum cannon devices 4 arranged on the circuit breaker frame body, and three groups of isolating switches 5 arranged on the circuit breaker frame body, wherein the vacuum cannon devices 4 and the isolating switches 5 are arranged in a delta shape, so that the longitudinal volume of the circuit breaker is reduced; three groups of grounding switches 10 are further arranged on the breaker frame body;
The isolating switch 5 is driven to open and close through an isolating switch driving shaft 1; the vacuum gun device 4 is driven to open and close through the vacuum gun driving shaft 2; the grounding switch 10 is driven to open and close by a grounding switch driving shaft 3;
the isolating switch driving shaft 1 and the vacuum gun driving shaft 2 are connected in series through an operating structure 6;
during brake opening, the operating mechanism 6 drives the vacuum gun driving shaft 2 to rotate, the vacuum gun driving shaft 2 drives the vacuum gun device 4 to open, and the isolating switch driving shaft 1 is driven to drive the isolating switch 5 to open under the action of the operating mechanism 6, so that serial linkage is realized;
when the vacuum gun is switched on, the operating mechanism 6 drives the power switch driving shaft 1 to rotate, the isolating switch driving shaft 1 rotates to drive the isolating switch 5 to be switched on, and the vacuum gun driving shaft 2 is driven to drive the vacuum gun device 4 to be switched on in a linkage manner under the action of the operating mechanism 6, so that series linkage is realized;
when reclosing, the operating mechanism 6 drives the vacuum cannon driving shaft 2 to rotate, the vacuum cannon driving shaft 2 drives the vacuum cannon device 4 to open, and the isolating switch driving shaft 1 is driven to drive the isolating switch 5 to open under the action of the operating mechanism 6; then, the isolating switch driving shaft 1 rotates again to drive the isolating switch 5 to be switched on, and drives the vacuum gun driving shaft 2 to drive the vacuum gun device 4 to be switched on in a linkage manner; the vacuum gun driving shaft 2 rotates to drive the vacuum gun device 4 to be opened, the isolating switch driving shaft 1 is driven to drive the isolating switch 5 to be opened in a linkage manner, and three-time series linkage is realized;
The grounding switch driving shaft 3 is provided with a grounding driving rod 8, and the grounding driving rod 8 is connected with the connecting rod 7; a crank arm 11 is arranged on the vacuum gun driving shaft 2; the top end of the connecting rod 7 is connected to the tail end of the crank arm 11;
the earthing switch driving shaft 3 rotates clockwise, the earthing driving rod 8 swings clockwise upwards, the connecting rod 7 is driven to move downwards from the position A to the position B, the crank arm 11 drives the vacuum gun driving shaft 2 to rotate and drive the vacuum gun device 4 to be opened, earthing and the vacuum gun are linked in series, meanwhile, the isolating switch driving shaft 1 cannot rotate, and interlocking of earthing and isolating is achieved.
The grounding switch driving shaft 3 rotates anticlockwise, the grounding driving rod 8 swings anticlockwise downwards and swings to the position A from the position B to drive the connecting rod 7 to move upwards, the crank arm 11 drives the vacuum gun driving shaft 2 to rotate to drive the vacuum gun device 4 to be switched on, and grounding and the vacuum gun are in series linkage.
The described embodiments are only some embodiments of the invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (1)
1. The utility model provides an outdoor miniaturized high voltage alternating current isolation series linkage vacuum circuit breaker which characterized in that includes:
the circuit breaker comprises a circuit breaker frame body, an operating mechanism connected with the circuit breaker frame body, three groups of vacuum cannon devices arranged on the circuit breaker frame body, and three groups of isolating switches arranged on the circuit breaker frame body, wherein the vacuum cannon devices and the isolating switches are in a delta-shaped layout, so that the longitudinal volume of the circuit breaker is reduced; three groups of grounding switches are further arranged on the breaker frame body;
the isolating switch is driven to be opened and closed by an isolating switch driving shaft; the vacuum gun device is driven to open and close through a vacuum gun driving shaft; the grounding switch is driven to be opened and closed by a grounding switch driving shaft;
the isolating switch driving shaft and the vacuum gun driving shaft are connected in series through an operating structure;
when the brake is switched off, the vacuum gun driving shaft rotates to drive the vacuum gun device to be switched off, and drives the isolating switch driving shaft to drive the isolating switch to be switched off in a linkage manner, so that series linkage is realized;
when the vacuum gun is switched on, the isolating switch driving shaft rotates to drive the isolating switch to be switched on, and the vacuum gun driving shaft is driven to drive the vacuum gun device to be switched on in a linkage manner, so that series linkage is realized;
when reclosing, the vacuum gun driving shaft rotates to drive the vacuum gun device to open, and drives the isolating switch driving shaft to drive the isolating switch to open in a linkage manner; the isolating switch driving shaft rotates again to drive the isolating switch to be switched on, and the vacuum gun driving shaft is driven to drive the vacuum gun device to be switched on in a linkage manner; the vacuum gun driving shaft rotates to drive the vacuum gun device to open the brake, and drives the isolating switch driving shaft to drive the isolating switch to open the brake in a linkage manner, so that three-time series linkage is realized;
The grounding switch driving shaft is provided with a grounding driving rod which is connected with a connecting rod; a crank arm is arranged on the vacuum gun driving shaft; the top end of the connecting rod is connected to the tail end of the crank arm;
the grounding switch driving shaft rotates clockwise, the grounding driving rod swings clockwise and upwards to drive the connecting rod to move downwards, and the crank arm drives the vacuum gun driving shaft to rotate to drive the vacuum gun device to open; the grounding switch driving shaft rotates anticlockwise, the grounding driving rod swings anticlockwise and downwards to drive the connecting rod to move upwards, and the crank arm drives the vacuum gun driving shaft to rotate to drive the vacuum gun device to be switched on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811269997.5A CN111091998B (en) | 2018-10-23 | 2018-10-23 | Outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811269997.5A CN111091998B (en) | 2018-10-23 | 2018-10-23 | Outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN111091998A CN111091998A (en) | 2020-05-01 |
| CN111091998B true CN111091998B (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811269997.5A Active CN111091998B (en) | 2018-10-23 | 2018-10-23 | Outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker |
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| CN (1) | CN111091998B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11476647B1 (en) * | 2021-04-22 | 2022-10-18 | Rockwell Automation Technologies, Inc. | Maintenance grounding device in motor control center with integrated interlock system |
| CN113936938B (en) * | 2021-09-18 | 2023-09-19 | 湖北省电力装备有限公司 | Isolating switch and circuit breaker linkage operation mechanism for ring main unit |
Citations (6)
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|---|---|---|---|---|
| CN2301787Y (en) * | 1997-04-15 | 1998-12-23 | 罗吉 | High-voltage vacuum circuit breaker combined electric appliance |
| CN201084634Y (en) * | 2007-09-21 | 2008-07-09 | 泰豪科技(深圳)电力技术有限公司 | An integrated solid-sealed vacuum breaker |
| CN202633153U (en) * | 2012-07-17 | 2012-12-26 | 广东顺源通开关有限公司 | High-voltage alternating current combined-type vacuum breaker |
| CN205177700U (en) * | 2015-11-23 | 2016-04-20 | 亚洲电力设备(深圳)股份有限公司 | High voltage isolation ground connection vacuum circuit breaker |
| CN107528250A (en) * | 2013-09-12 | 2017-12-29 | 袁茂银 | A kind of switch cubicle |
| CN207966837U (en) * | 2018-04-13 | 2018-10-12 | 浙江恒控电气有限公司 | A kind of multifunction combined vacuum circuit breaker |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002159109A (en) * | 2000-11-20 | 2002-05-31 | Mitsubishi Electric Corp | Gas isolation switching device |
| CN102129931A (en) * | 2010-01-13 | 2011-07-20 | 厦门协成实业有限公司 | Isolation vacuum circuit breaker |
| CN102290731B (en) * | 2011-04-25 | 2013-10-30 | 张增起 | Three-phase common-proper compact type solid insulation high voltage alternating current vacuum switching cabinet |
| CN103474270B (en) * | 2013-08-29 | 2017-04-05 | 浙江博益电气有限公司 | A kind of Solid-sealing vacuum load switch |
| CN103996990B (en) * | 2014-05-29 | 2016-05-25 | 厦门兴厦控电气有限公司 | A kind of inflating switch cabinet |
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2018
- 2018-10-23 CN CN201811269997.5A patent/CN111091998B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2301787Y (en) * | 1997-04-15 | 1998-12-23 | 罗吉 | High-voltage vacuum circuit breaker combined electric appliance |
| CN201084634Y (en) * | 2007-09-21 | 2008-07-09 | 泰豪科技(深圳)电力技术有限公司 | An integrated solid-sealed vacuum breaker |
| CN202633153U (en) * | 2012-07-17 | 2012-12-26 | 广东顺源通开关有限公司 | High-voltage alternating current combined-type vacuum breaker |
| CN107528250A (en) * | 2013-09-12 | 2017-12-29 | 袁茂银 | A kind of switch cubicle |
| CN205177700U (en) * | 2015-11-23 | 2016-04-20 | 亚洲电力设备(深圳)股份有限公司 | High voltage isolation ground connection vacuum circuit breaker |
| CN207966837U (en) * | 2018-04-13 | 2018-10-12 | 浙江恒控电气有限公司 | A kind of multifunction combined vacuum circuit breaker |
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| CN111091998A (en) | 2020-05-01 |
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