CN102832060A - Interlocking device of change-over switch - Google Patents
Interlocking device of change-over switch Download PDFInfo
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- CN102832060A CN102832060A CN2011101612336A CN201110161233A CN102832060A CN 102832060 A CN102832060 A CN 102832060A CN 2011101612336 A CN2011101612336 A CN 2011101612336A CN 201110161233 A CN201110161233 A CN 201110161233A CN 102832060 A CN102832060 A CN 102832060A
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- snap close
- combined floodgate
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Abstract
The invention discloses an interlocking device of a change-over switch. The interlocking device comprises an upper part and a lower part with symmetrically structures, wherein the upper part and the lower part of the interlocking device are mounted in the central gap of an operating mechanism of the change-over switch symmetrically, and respectively comprise an interlocking lever, a lock catch lever mounted on a side plate of a mechanism, an unlocking lever, an offsetting spring fixed between a lock catch and the unlocking lever, a stop pin positioned on the side plate and an offsetting spring of which one end is fixed on the interlocking lever. A switching-on semiaxis of either the upper part or the lower part of the operating mechanism rotates to push the interlocking levers to make a translational motion vertically during the rotation, and the other end of the interlocking lever leans against and locks the switching-on semiaxis of the other part of the operating mechanism so as to fix the switching-off semiaxis. When the switching-on semiaxes of the upper and the lower parts of the operating mechanism move at the same time, the switching-on semiaxes are leaned against by the interlocking lever of the other part respectively, thereby realizing the interlocking between a commonly-used power source and a standby power source.
Description
Technical field
The present invention relates to the low-voltage electrical apparatus field, more particularly, relate to a kind of interlock of change over switch.
Background technology
Transfer switching equipment (TSE) is mainly used in the switching of two-way power supply; When power supply breaks down (like the change of dead electricity, outage or frequency); With load circuit from (using an always) power source conversion to another road (subsequent use) power supply, to guarantee the power supply of important load, in addition; Transfer switching equipment also can be used for the switching of two-way load, and it does not allow two groups of contacts that closing phenomenon simultaneously takes place in the Switching power process.
In the existing transfer switching equipment, what the interlocking majority between the two-way power supply adopted is the shift fork technology, when the power supply of a closed side; Withstand the combined floodgate main shaft with manual shift fork (claiming retainer again), make the opposite side can not be closed, this method be mainly used in the transfer switching equipment of low capacity; And big because of its operating physical force to jumbo transfer switching equipment, impulsive force is big during action, withstands the combined floodgate main shaft or is driven the method for interlock by the combined floodgate main shaft like employing; Interlock receives stress bigger; Reliability is low, and it is low to cause its life-span, and volume is bigger.
Summary of the invention
Invention is intended to propose a kind of interlock to big capacity transfer switching equipment.
According to one embodiment of the invention, a kind of interlock of change over switch is proposed, comprising: have the upper and lower of symmetrical structure, this upper and lower intersects and is installed on the intermediate space place of the operating mechanism of change over switch symmetrically;
Top comprises blocking lever, the first snap close lever, first release lever, first back-moving spring, second back-moving spring, first spacer pin and second spacer pin; Wherein the first snap close lever is installed on the side plate of operating mechanism; First back-moving spring is fixed between the first snap close lever and first release lever; First spacer pin and second spacer pin are positioned on the side plate of operating mechanism, and an end of second back-moving spring is fixed on the blocking lever;
The bottom comprises blocking lever down; The second snap close lever, second release lever, the 3rd back-moving spring, the 4th back-moving spring, the 3rd spacer pin and the 4th spacer pin; Wherein the second snap close lever is installed on the side plate of operating mechanism; The 3rd back-moving spring is fixed between the second snap close lever and second release lever, and the 3rd spacer pin and the 4th spacer pin are positioned on the side plate of operating mechanism, and an end of the 4th back-moving spring is fixed on down on the blocking lever.
The side power supply commonly used of top control transformation switch, the prepped side power supply of bottom control transformation switch.
In one embodiment, top also comprises the first combined floodgate semiaxis and the first separating brake semiaxis; The first combined floodgate semiaxis can rotate, and contacts with last blocking lever in the rotation process; The first separating brake semiaxis can rotate, and contacts with first release lever in the rotation process.The bottom also comprises the second combined floodgate semiaxis and the second separating brake semiaxis; The second combined floodgate semiaxis can rotate, and contacts with following blocking lever in the rotation process; The second separating brake semiaxis can rotate, and contacts with said second release lever in the rotation process.
In one embodiment; Close and use the side power supply always in top, the first combined floodgate semiaxis rotates, and promotes to go up the downward translation of blocking lever in the rotation process of the first combined floodgate semiaxis; The second combined floodgate semiaxis that one end of last blocking lever will be positioned at the bottom withstands; Simultaneously, the first snap close lever will be gone up blocking lever and pin under first action of reset spring, the prepped side power supply is not closed a floodgate; The first separating brake semiaxis rotates, and promotes first release lever in the rotation process and rotates, and drive the first snap close lever and rotate, the first snap close lever release, last blocking lever sets back under second action of reset spring.Close and use the side power supply always in the bottom; The second combined floodgate semiaxis rotates; Promote down the blocking lever translation that makes progress in the rotation process of the second combined floodgate semiaxis, an end of following blocking lever withstands the superposed first combined floodgate semiaxis, simultaneously; The second snap close lever will descend blocking lever to pin under the 3rd action of reset spring, and side power supply commonly used is not closed a floodgate; The second separating brake semiaxis rotates, and promotes second release lever in the rotation process and rotates, and drive the second snap close lever and rotate, the second snap close lever release, following blocking lever sets back under the 4th action of reset spring.
When change over switch mediated, side power supply commonly used, prepped side power supply all were in gate-dividing state, and the interlock of this change over switch is in initial position.At the initial position of interlock, side commonly used and prepped side power supply if close simultaneously in said upper and lower, the first combined floodgate semiaxis and the second combined floodgate semiaxis are withstood by following blocking lever and last blocking lever respectively, can't accomplish closing operation.
Of the present invention simple in structure, safe and reliable, be that the rotation of on/off switch semiaxis when utilizing operation promotes blocking lever to realize preventing to connect simultaneously side power supply commonly used and prepped side power supply.Operating physical force is little during action, and does not take up room, and utilizes the gap of mechanism self to install and work fully, and volume is little, is easy to realize, and is with low cost, and the life-span is high.
Description of drawings
Above-mentioned and other characteristic, character and advantage of the present invention will become more obvious through the description below in conjunction with accompanying drawing and embodiment, in the accompanying drawings, identical Reference numeral is represented identical characteristic all the time, wherein:
Fig. 1 has disclosed the state that the interlock of change over switch is installed to the operating mechanism of change over switch according to one embodiment of the invention.
The state of interlock when Fig. 2 has disclosed and has been positioned at the centre position according to one embodiment of the invention change over switch.
The state of interlock when Fig. 3 has disclosed according to one embodiment of the invention change over switch and side power supply commonly used combined floodgate.
Fig. 4 has disclosed the state according to one embodiment of the invention change over switch interlock when closing a floodgate with the prepped side power supply.
Fig. 5 has disclosed according to one embodiment of the invention state of interlock during the blocking lever interlocking up and down.
Embodiment
The present invention is intended to propose a kind of interlock of change over switch, comprising: have the upper and lower of symmetrical structure, this upper and lower intersects and is installed on the intermediate space place of the operating mechanism of change over switch symmetrically.Top wherein comprises blocking lever, the first snap close lever, first release lever, first back-moving spring, second back-moving spring, first spacer pin and second spacer pin; Wherein the first snap close lever is installed on the side plate of operating mechanism; First back-moving spring is fixed between the first snap close lever and first release lever; First spacer pin and second spacer pin are positioned on the side plate of operating mechanism, and an end of second back-moving spring is fixed on the blocking lever.Accordingly; Bottom with symmetrical structure comprises blocking lever down; The second snap close lever, second release lever, the 3rd back-moving spring, the 4th back-moving spring, the 3rd spacer pin and the 4th spacer pin, wherein the second snap close lever is installed on the side plate of operating mechanism, and the 3rd back-moving spring is fixed between the second snap close lever and second release lever; The 3rd spacer pin and the 4th spacer pin are positioned on the side plate of operating mechanism, and an end of the 4th back-moving spring is fixed on down on the blocking lever.
The side power supply commonly used of top control transformation switch, the prepped side power supply of bottom control transformation switch.
In one embodiment, top also comprises the first combined floodgate semiaxis and the first separating brake semiaxis; The first combined floodgate semiaxis can rotate, and contacts with last blocking lever in the rotation process; The first separating brake semiaxis can rotate, and contacts with first release lever in the rotation process.Accordingly, the bottom also comprises the second combined floodgate semiaxis and the second separating brake semiaxis; The second combined floodgate semiaxis can rotate, and contacts with following blocking lever in the rotation process; The second separating brake semiaxis can rotate, and contacts with second release lever in the rotation process.
Close when using the side power supply always in top; The first combined floodgate semiaxis rotates; Promote in the rotation process of the first combined floodgate semiaxis to go up the downward translation of blocking lever, the second combined floodgate semiaxis that an end of last blocking lever will be positioned at the bottom withstands, simultaneously; The first snap close lever will be gone up blocking lever and pin under first action of reset spring, the prepped side power supply is not closed a floodgate; The first separating brake semiaxis rotates, and promotes first release lever in the rotation process and rotates, and drive the first snap close lever and rotate, the first snap close lever release, last blocking lever sets back under second action of reset spring.Similarly; When commonly used side power supply was closed in the bottom, the second combined floodgate semiaxis rotated, and promoted down the blocking lever translation that makes progress in the rotation process of the second combined floodgate semiaxis; One end of following blocking lever withstands the superposed first combined floodgate semiaxis; Simultaneously, the second snap close lever will descend blocking lever to pin under the 3rd action of reset spring, and side power supply commonly used is not closed a floodgate; The second separating brake semiaxis rotates, and promotes second release lever in the rotation process and rotates, and drive the second snap close lever and rotate, the second snap close lever release, following blocking lever sets back under the 4th action of reset spring.
If change over switch mediates, side power supply then commonly used, prepped side power supply all are in gate-dividing state, and the interlock of this change over switch is in initial position.At the initial position of interlock, side commonly used and prepped side power supply if close simultaneously in the upper and lower, the first combined floodgate semiaxis and the second combined floodgate semiaxis are withstood by following blocking lever and last blocking lever respectively, can't accomplish closing operation.
Further introduce interlock below in conjunction with Fig. 1-Fig. 5 according to the change over switch of one embodiment of the invention.Wherein Fig. 1 interlock of having disclosed this change over switch is installed to the state of the operating mechanism of change over switch, and Fig. 2-Fig. 5 has disclosed change over switch this interlock when the different operating position and has been in the situation under the different operating state.
The interlock of this change over switch comprises the upper and lower with symmetrical structure, and this interlock is installed on the intermediate space place of the operating mechanism of change over switch.In illustrated embodiment, be installed in the intermediate space place of the operating mechanism of change over switch this interlock symmetrical chiasma.
Like diagram; Top comprises blocking lever 111; Be installed on the first snap close lever, 112, the first release levers 113 on mechanism's side plate, be fixed in first back-moving spring 114 of 113 of the first snap close lever 112 and first release levers; Be positioned at first spacer pin 115 on the side plate, and an end is fixed on second back-moving spring 116 on the blocking lever.
The bottom comprises blocking lever 121 down; Be installed on the second snap close lever 122 on mechanism's side plate; Second release lever 123; Be fixed in the 3rd back-moving spring 124 of 123 of the second snap close lever 122 and second release levers, be positioned at the spacer pin 125 on the side plate, and an end is fixed on the 4th back-moving spring 126 on the blocking lever.
The top of operating mechanism has the first combined floodgate semiaxis 201, the first separating brake semiaxis 202.The bottom of operating mechanism has the second combined floodgate semiaxis 203, the second separating brake semiaxis 204.
Close when using the side power supply always in operating mechanism top; The first combined floodgate semiaxis 201 of operating mechanism rotates; Promote in the rotation process to go up blocking lever 111 downward translations, last blocking lever 111 other ends withstand the second combined floodgate semiaxis 203 of operating mechanism, simultaneously; The first snap close lever 112 will be gone up blocking lever 111 and pin under 114 effects of first back-moving spring, the prepped side power supply is not closed a floodgate.The first separating brake semiaxis, 202 rotations when operating mechanism promote first release lever 113 and rotate in the rotation process, and drive the first snap close lever 112 and rotate, 112 releases of the first snap close lever, last blocking lever 111 sets back under 116 effects of second back-moving spring.
When the prepped side power supply is closed in the bottom of operating mechanism; The second combined floodgate semiaxis 203 of operating mechanism rotates; Promote blocking lever 121 upwards translations down in the rotation process, the first combined floodgate semiaxis 202 that following blocking lever 121 other ends will be positioned at operating mechanism top withstands, simultaneously; The second snap close lever 122 will descend blocking lever 121 to pin under 124 effects of the 3rd back-moving spring, and side power supply commonly used is not closed a floodgate.The second separating brake semiaxis, 204 promotions, second release lever, 123 rotations when operating mechanism drive the second snap close lever 122 and rotate, and the second snap close lever 122 is thrown off, and following blocking lever 121 sets back under back-moving spring 126 effects.
When change over switch mediated, the bottom of the top of operating mechanism and side power supply commonly used, operating mechanism all was in gate-dividing state in the prepped side power supply, and interlock is in initial position.When interlock was in initial position, if it is commonly used during with stand-by power supply to be closed simultaneously in the upper and lower, two-part combined floodgate semiaxis was all withstood by another part blocking lever, can't accomplish closing operation, with reference to state shown in Figure 5.
When normal the use, the interlock of the change over switch of the present invention corresponding mains side that can close as required at any time, in the corresponding mains side that closes, because the effect of interlocking, the opposite side power supply is broken off by reliable.
Of the present invention simple in structure, safe and reliable, be that the rotation of on/off switch semiaxis when utilizing operation promotes blocking lever to realize preventing to connect simultaneously side power supply commonly used and prepped side power supply.Operating physical force is little during action, and does not take up room, and utilizes the gap of mechanism self to install and work fully, and volume is little, is easy to realize, and is with low cost, and the life-span is high.
The foregoing description provides to being familiar with personnel in this area and realizes or use of the present invention; Being familiar with those skilled in the art can be under the situation that does not break away from invention thought of the present invention; The foregoing description is made various modifications or variation; Thereby protection scope of the present invention do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (7)
1. the interlock of a change over switch is characterized in that, comprising:
Upper and lower with symmetrical structure, this upper and lower intersect and are installed on the intermediate space place of the operating mechanism of change over switch symmetrically;
Said top comprises blocking lever, the first snap close lever, first release lever, first back-moving spring, second back-moving spring, first spacer pin and second spacer pin; Wherein the first snap close lever is installed on the side plate of operating mechanism; First back-moving spring is fixed between the first snap close lever and first release lever; First spacer pin and second spacer pin are positioned on the side plate of operating mechanism, and an end of second back-moving spring is fixed on the blocking lever;
Said bottom comprises blocking lever down; The second snap close lever, second release lever, the 3rd back-moving spring, the 4th back-moving spring, the 3rd spacer pin and the 4th spacer pin; Wherein the second snap close lever is installed on the side plate of operating mechanism; The 3rd back-moving spring is fixed between the second snap close lever and second release lever, and the 3rd spacer pin and the 4th spacer pin are positioned on the side plate of operating mechanism, and an end of the 4th back-moving spring is fixed on down on the blocking lever.
2. the interlock of change over switch as claimed in claim 1 is characterized in that,
The side power supply commonly used of said top control transformation switch;
The prepped side power supply of said bottom control transformation switch.
3. the interlock of change over switch as claimed in claim 2 is characterized in that,
Said top also comprises the first combined floodgate semiaxis and the first separating brake semiaxis; The first combined floodgate semiaxis can rotate, and contacts with the said blocking lever of going up in the rotation process; The first separating brake semiaxis can rotate, and contacts with said first release lever in the rotation process;
Said bottom also comprises the second combined floodgate semiaxis and the second separating brake semiaxis; The second combined floodgate semiaxis can rotate, and contacts with said blocking lever down in the rotation process; The second separating brake semiaxis can rotate, and contacts with said second release lever in the rotation process.
4. the interlock of change over switch as claimed in claim 3 is characterized in that,
Close and use the side power supply always in said top; The first combined floodgate semiaxis rotates; Promote in the rotation process of the first combined floodgate semiaxis to go up the downward translation of blocking lever, the second combined floodgate semiaxis that an end of last blocking lever will be positioned at the bottom withstands, simultaneously; The first snap close lever will be gone up blocking lever and pin under first action of reset spring, the prepped side power supply is not closed a floodgate; The first separating brake semiaxis rotates, and promotes first release lever in the rotation process and rotates, and drive the first snap close lever and rotate, the first snap close lever release, last blocking lever sets back under second action of reset spring.
5. the interlock of change over switch as claimed in claim 3 is characterized in that,
Close and use the side power supply always in said bottom; The second combined floodgate semiaxis rotates; Promote down the blocking lever translation that makes progress in the rotation process of the second combined floodgate semiaxis, an end of following blocking lever withstands the superposed first combined floodgate semiaxis, simultaneously; The second snap close lever will descend blocking lever to pin under the 3rd action of reset spring, and side power supply commonly used is not closed a floodgate; The second separating brake semiaxis rotates, and promotes second release lever in the rotation process and rotates, and drive the second snap close lever and rotate, the second snap close lever release, following blocking lever sets back under the 4th action of reset spring.
6. like the interlock of claim 4 or 5 described change over switches, it is characterized in that,
Change over switch mediates, and side power supply commonly used, prepped side power supply all are in gate-dividing state, and the interlock of this change over switch is in initial position.
7. the interlock of change over switch as claimed in claim 6 is characterized in that,
At the initial position of interlock, side commonly used and prepped side power supply if close simultaneously in said upper and lower, the first combined floodgate semiaxis and the second combined floodgate semiaxis are withstood by following blocking lever and last blocking lever respectively, can't accomplish closing operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110161233.6A CN102832060B (en) | 2011-06-15 | 2011-06-15 | Interlocking device of change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110161233.6A CN102832060B (en) | 2011-06-15 | 2011-06-15 | Interlocking device of change-over switch |
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| CN102832060A true CN102832060A (en) | 2012-12-19 |
| CN102832060B CN102832060B (en) | 2014-12-31 |
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| CN201110161233.6A Active CN102832060B (en) | 2011-06-15 | 2011-06-15 | Interlocking device of change-over switch |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558433A (en) * | 2015-09-28 | 2017-04-05 | 施耐德电气工业公司 | Dual-power transfer switch and its mechanical interlock mechanism |
| CN107546051A (en) * | 2017-10-17 | 2018-01-05 | 北京明日电器设备有限责任公司 | A kind of interlock of Large Copacity double power supply automatic transfer switch |
| CN108735534A (en) * | 2018-06-26 | 2018-11-02 | 上海良信电器股份有限公司 | A kind of mechanical interlock mechanism of double power supply automatic transfer switch |
| CN108807041A (en) * | 2018-06-26 | 2018-11-13 | 上海良信电器股份有限公司 | A kind of mechanical interlocks of double power supply automatic transfer switch |
| CN109545595A (en) * | 2019-01-10 | 2019-03-29 | 常熟开关制造有限公司(原常熟开关厂） | A kind of locker and dual-power transfer switch of dual-power transfer switch |
| CN110853951A (en) * | 2019-11-22 | 2020-02-28 | 无锡韩光电器股份有限公司 | A power supply chain device for medium voltage automatic transfer switch electrical appliances |
| CN111319777A (en) * | 2016-11-14 | 2020-06-23 | 深圳市大疆创新科技有限公司 | Device for installing battery and unmanned aerial vehicle |
| CN115148551A (en) * | 2021-03-31 | 2022-10-04 | 上海良信电器股份有限公司 | Position locking device of switch operating mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5725085A (en) * | 1996-05-24 | 1998-03-10 | General Electric Company | Interlock arrangement for circuit breaker compartments |
| CN101127278A (en) * | 2006-08-18 | 2008-02-20 | 宁波奇乐电器实业总公司 | Automatic conversion switch electrical appliance |
| CN201355579Y (en) * | 2009-02-06 | 2009-12-02 | 江苏凯隆电器有限公司 | Mechanical interlocking mechanism of low-voltage circuit breaker |
| CN101989505A (en) * | 2009-07-29 | 2011-03-23 | 西门子公司 | Interlocking module and interlocking device consisting of same |
-
2011
- 2011-06-15 CN CN201110161233.6A patent/CN102832060B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5725085A (en) * | 1996-05-24 | 1998-03-10 | General Electric Company | Interlock arrangement for circuit breaker compartments |
| CN101127278A (en) * | 2006-08-18 | 2008-02-20 | 宁波奇乐电器实业总公司 | Automatic conversion switch electrical appliance |
| CN201355579Y (en) * | 2009-02-06 | 2009-12-02 | 江苏凯隆电器有限公司 | Mechanical interlocking mechanism of low-voltage circuit breaker |
| CN101989505A (en) * | 2009-07-29 | 2011-03-23 | 西门子公司 | Interlocking module and interlocking device consisting of same |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558433A (en) * | 2015-09-28 | 2017-04-05 | 施耐德电气工业公司 | Dual-power transfer switch and its mechanical interlock mechanism |
| CN106558433B (en) * | 2015-09-28 | 2019-08-23 | 施耐德电气工业公司 | Dual-power transfer switch and its mechanical interlock mechanism |
| CN111319777A (en) * | 2016-11-14 | 2020-06-23 | 深圳市大疆创新科技有限公司 | Device for installing battery and unmanned aerial vehicle |
| CN111319777B (en) * | 2016-11-14 | 2022-02-25 | 深圳市大疆创新科技有限公司 | Device for installing battery and unmanned aerial vehicle |
| CN107546051A (en) * | 2017-10-17 | 2018-01-05 | 北京明日电器设备有限责任公司 | A kind of interlock of Large Copacity double power supply automatic transfer switch |
| CN108735534A (en) * | 2018-06-26 | 2018-11-02 | 上海良信电器股份有限公司 | A kind of mechanical interlock mechanism of double power supply automatic transfer switch |
| CN108807041A (en) * | 2018-06-26 | 2018-11-13 | 上海良信电器股份有限公司 | A kind of mechanical interlocks of double power supply automatic transfer switch |
| CN109545595A (en) * | 2019-01-10 | 2019-03-29 | 常熟开关制造有限公司(原常熟开关厂） | A kind of locker and dual-power transfer switch of dual-power transfer switch |
| CN109545595B (en) * | 2019-01-10 | 2024-07-23 | 常熟开关制造有限公司(原常熟开关厂） | Locking device of dual-power transfer switch and dual-power transfer switch |
| CN110853951A (en) * | 2019-11-22 | 2020-02-28 | 无锡韩光电器股份有限公司 | A power supply chain device for medium voltage automatic transfer switch electrical appliances |
| CN115148551A (en) * | 2021-03-31 | 2022-10-04 | 上海良信电器股份有限公司 | Position locking device of switch operating mechanism |
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| CN102832060B (en) | 2014-12-31 |
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