CN105161336A - Machinery interlocking device used for ring network cabinet dual-power-supply load cabinet power supply - Google Patents
Machinery interlocking device used for ring network cabinet dual-power-supply load cabinet power supply Download PDFInfo
- Publication number
- CN105161336A CN105161336A CN201510627397.1A CN201510627397A CN105161336A CN 105161336 A CN105161336 A CN 105161336A CN 201510627397 A CN201510627397 A CN 201510627397A CN 105161336 A CN105161336 A CN 105161336A
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- China
- Prior art keywords
- power supply
- switch cabinet
- cabinet
- pull bar
- slide plate
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- 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)
- Patch Boards (AREA)
Abstract
The invention discloses a machinery interlocking device used for a ring network cabinet dual-power-supply load cabinet power supply, comprising two sliding plates which can slide horizontally, and two pull rod mechanisms; one end of each pull rod mechanism is connected to one end of the sliding plate; the other end of the pull rod mechanism is in rotation connection with the power supply indication board of a corresponding switch cabinet; the other end of the sliding plate is provided with a baffle corresponding to the operation position of the switch of the switch cabinet ; and the baffle can block the operation of the switch of the switch cabinet. The machinery interlocking device used for the power supply of the ring network cabinet dual-power-supply load cabinet comprises two sliding plates which can slide horizontally and two pull rod mechanisms, the one end of each pull rod mechanism is in rotation connection with one end of the sliding plate, and the other end is in rotation connection with the indication board of the power supply. As a result, the operation hole of the load switch cabinet is plugged while the other load switch cabinet is switched off, so that the load switch cabinet is not mistakenly closed, which acts as an interlocking function and enables the power supply of the dual power supply switch cabinet to be guaranteed.
Description
Technical field
The present invention relates to middle pressure ring main unit technical field, be related specifically to the mechanical interlocks that double power-supply load swith cabinet is powered.
Background technology
Along with the extensive use of ring main unit in electric power system, people propose new technical requirement to ring main unit industry technology, and more and more higher mainly for the power reguirements in electric power system, wherein dual power supply is even more important.
The chain function that the double power-supply load swith cabinet of original ring main unit is powered is perfect not: one, when a loading switch cabinet is powered, and makes another loading switch cabinet by false switching owing to not having chain being easy to or misses separating brake; Two, when a loading switch cabinet power run into fault time, needing people for going to this switch cubicle separating brake, just can people for going, an other loading switch cabinet being closed power supply.Due to these two loading switch cabinets, this does not have interlock function, makes power supply can not get reliable guarantee, to the security presence hidden danger of operating personnel and maintainer.According to the requirement that strategic objective and the Intelligent high voltage switch device of the strong intelligent grid of current nation-building are built, original mechanism does not have mechanical chain effect, can not provide reliable guarantee for realizing intelligent switchboard system.
Given this, how to ensure when power be protected and safety power, the mechanical chain of reliable and stable dual power supply just become in the urgent need to.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of reliable and stable mechanical interlocking device of powering for ring main unit dual power supply loading switch cabinet.
For achieving the above object, technical scheme of the present invention is as follows:
Mechanical interlocking device of powering for ring main unit dual power supply loading switch cabinet of the present invention, comprises
Two can the slide plate of horizontal slip; And
Two drag link mechanisms, described in one end of each drag link mechanism described and, one end of slide plate is rotatedly connected, and the other end is rotatedly connected with the power supply indicator board of a corresponding switch cubicle; The other end of described slide plate is provided with the baffle plate corresponding with the operating position of the switch of another switch cubicle, and described baffle plate can block the operation of the switch of corresponding switch cubicle.
Drag link mechanism described in each comprises the first pull bar and the second pull bar, described in one end and of described first pull bar, described one end of slide plate is rotatedly connected, one end of the other end and described second pull bar is rotatedly connected, the other end of described second pull bar and the power supply indicator board of described switch cubicle are rotatedly connected, described second pull bar is provided with sliding tray along its length, and a rotational pin being arranged on switch cabinet embeds also can relative sliding in described sliding tray.
Each slide plate described is provided with the gathering sill of two length directions, embeds a steady pin in gathering sill described in each, and described slide plate can along described steady pin horizontal slip.
One end of described sliding tray is provided with seam can rest on described seam when described rotational pin is arranged in described seam keeping geo-stationary.
By technique scheme, the invention has the beneficial effects as follows:
Mechanical interlocking device of powering for ring main unit dual power supply loading switch cabinet of the present invention can the slide plate of horizontal slip and two drag link mechanisms owing to comprising two, described in one end of each drag link mechanism described and, one end of slide plate is rotatedly connected, the other end is rotatedly connected with the indicator board of a corresponding power supply, like this, when two loading switch cabinets are all in separating brake, the handle hole of its two loading switch cabinets is all open, and with operating personnel's operational load switch; Drive the chain bar of another loading switch cabinet that the handle hole of another loading switch cabinet is blocked when a loading switch cabinet closes a floodgate, also just can not operate, another on-load switch so also would not be made by mistake to be closed; And when this loading switch cabinet breaks down, its loading switch cabinet separating brake just can close an other on-load switch and power, when another loading switch cabinet has closed a floodgate, the handle hole of this loading switch cabinet has also just been blocked simultaneously, this loading switch cabinet also would not by false switching, so just play a kind of interlocked use, double power-supply load swith cabinet is powered and is protected.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the perspective view of an embodiment of mechanical interlocking device of powering for ring main unit dual power supply loading switch cabinet of the present invention.
Fig. 2 is the schematic diagram that Fig. 1 removes chain supporting bracket.
Fig. 3 is the rearview of Fig. 1.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
See Fig. 1, Fig. 2, mechanical interlocking device of powering for ring main unit dual power supply loading switch cabinet of the present invention is for ring main unit dual power supply loading switch cabinet, its two power switch structure.Wherein, power supply indicator board 102 is connected with the on-load switch cabinet on the left side, power supply indicator board 202 is connected with the on-load switch cabinet on the right, and the action of the mains switch of each loading switch cabinet can cause moving up and down of corresponding power supply indicator board 102,202.
Mechanical interlocking device of powering for ring main unit dual power supply loading switch cabinet of the present invention comprises can the slide plate 11,12 of horizontal slip and drag link mechanism 101,201.One end of each drag link mechanism 101,201 described and one end of slide plate 11,12 are rotatedly connected, and the other end is rotatedly connected with corresponding power supply indicator board 102,202; The other end of slide plate 11,12 is provided with the baffle plate 226,126 corresponding with the handle hole position of the mains switch of another relative switch cubicle, and baffle plate 226,126 can control the operation (closing a floodgate or separating brake) of the mains switch of corresponding switch cubicle.
See Fig. 3, in the present embodiment, each slide plate 11,12 is connected with drag link mechanism 101,201 respectively.The drag link mechanism 101 be connected with slide plate 11 is made up of the first pull bar 395 and the second pull bar 394.The drag link mechanism 201 be connected with slide plate 12 is made up of the first pull bar 295 and the second pull bar 294.
Above-mentioned first draws one end of one end of 295 and slide plate 12 to be rotatedly connected, and one end of the other end and the second pull bar 294 is rotatedly connected by rotation axis 296, and the other end and the power supply indicator board 202 of the second pull bar 294 are rotatedly connected.
Above-mentioned one end of first pull bar 395 and one end of slide plate 11 are rotatedly connected, and one end of the other end and described second pull bar 394 is rotatedly connected by rotation axis 396, and the other end and the power supply indicator board 102 of the second pull bar 394 are rotatedly connected.
Above-mentioned second pull bar 294 has a groove 293 along its length, be arranged on rotational pin 292 that the chain supporting bracket 15 of switch cubicle (will illustrate) below can in embedded groove 293 and can in groove 293 relative sliding.Like this, the untie-sell 292 that just can rotate of the second pull bar 294 is rotated or relative sliding.
In rotational pin 392 embedded groove 393 that second pull bar 394 has a groove 393, to be along its length arranged on switch cubicle one stationary plane and can in groove 393 relative sliding.Like this, the untie-sell 392 that just can rotate of the second pull bar 394 is rotated or relative sliding.
Chain supporting bracket 15 is fixed on (see Fig. 1) on switch cabinet.Like this, slide plate 11 is provided with the groove 501,502 on two length directions.Again see Fig. 3, slide plate 12 is provided with the groove 503,504 on two length directions.Steady pin 511,611 is through above-mentioned groove 501,502,503,504.Because steady pin 511,611 can slide in groove 501,502,503,504, such slide plate 11 and 12 just can slide mutually.Steady pin 511,611 can be fixed on the surface of chain supporting bracket 15.
Again see Fig. 2 and Fig. 3, there is a seam 391 one end (upper end) of the groove 393 of the second pull bar 394, when rotation axis 392 is positioned at this seam 391, a kind of metastable state can be in, now, only have the second pull bar 394 under the effect of external force, the second pull bar 394 just can be forced to slide relative to rotation axis 392, and leave this unsettled condition position.This seam 391 can ensure can not keep stable state when operating in respective switch by the second pull bar 394, and this is very important to the work of double power-supply load swith cabinet.
Equally, also there is a seam 291 one end (upper end) of the groove 293 of the second pull bar 294, when rotation axis 292 is positioned at this seam 291, also can be in a kind of metastable state.
At the two ends of slide plate 11 and 12, fix respectively by extension spring 891 and 892 and chain supporting bracket 15.Described extension spring 891 and 892 is common springs, like this, slide plate 11 and 22 being made like this when horizontally slipping, moving more steady.
At the other end of slide plate 11 and 12, be respectively equipped with baffle plate 126 and 226.Baffle plate 126,226 actual be a panel, corresponding with the operating position of the switch of the power supply of each switch cubicle of duplicate supply respectively.After slide plate 11,12 and whole interlock of the present invention be positioned at chain supporting bracket 15, and before being positioned at each mains switch of switch cubicle.Be respectively equipped with two handle holes 103,104 at the two ends, left and right of chain supporting bracket 15, from this handle hole 103,104, operating personnel can close a floodgate to switch cubicle or the operation of separating brake.When slide plate 11,22 horizontally slips, baffle plate 126,226 can move left and right, and namely can block aforesaid operations hole 103,104 respectively, also can not block this handle hole 103,104.Once block, then operating personnel just can not carry out the operation to arbitrary power supply combined floodgate or separating brake.
Finally, see Fig. 1-3, the course of work of the whole various state of mechanical interlocking device of powering for ring main unit dual power supply loading switch cabinet of the present invention is described:
When two loading switch cabinets are all in separating brake, the handle hole 103,104 of its two loading switch cabinets is all open, and operating personnel operate arbitrarily arbitrary loading switch cabinet of duplicate supply;
When arbitrary loading switch cabinet, such as, in the figure left side, during combined floodgate, before combined floodgate, baffle plate 226, on the right of handle hole 104, does not block handle hole 104.In addition, the rotation axis 392 of first drag link mechanism 102 on the left side is positioned at this seam 391, is in reference position, in a kind of stable state.After combined floodgate, the indicator board 102 of the power supply of left side switch cubicle can move upward, external force drives the upper end of the second pull bar 394 to move upward, rotation axis 392 opposed slot 393 moves, slide plate 12 is moved to the left by the rotation axis that now the second pull bar 394 is connected with slide plate 12 by the first pull bar 395, so, when rotation axis 392 is positioned at the lower end of groove 393, stop drag, now, baffle plate 226 just in time blocks another (the right) loading switch cabinet handle hole 104, and on the right of this, loading switch cabinet also just can not operate again, and another on-load switch so also would not be made to be closed by mistake.Otherwise, when loading switch cabinet as the right closes a floodgate, the indicator board 202 of power supply can move upward, external force drives the upper end of the second pull bar 294 to move upward, rotation axis 292 opposed slot 293 moves, now the second pull bar 294 forces slide plate 11 to move right by the rotation axis that the first pull bar 295 is connected with slide plate 11, when rotation axis 392 is positioned at the lower end of groove 293, stop drag, now, baffle plate 126 just in time blocks another (left side) loading switch cabinet handle hole 103, this left side loading switch cabinet also just can not operate again, another on-load switch so also would not be made to be closed by mistake.
Like this, and when a loading switch cabinet breaks down, its loading switch cabinet separating brake, just can close an other on-load switch to power, when another loading switch cabinet has closed a floodgate, the handle hole of this loading switch cabinet has also just been blocked simultaneously, and this loading switch cabinet also would not by false switching, so just play a kind of interlocked use, double power-supply load swith cabinet is powered and is protected.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (4)
1., for the mechanical interlocking device that ring main unit dual power supply loading switch cabinet is powered, it is characterized in that, comprise
Two can the slide plate of horizontal slip; And
Two drag link mechanisms, described in one end of each drag link mechanism described and, one end of slide plate is rotatedly connected, and the other end is rotatedly connected with the power supply indicator board of a corresponding switch cubicle; The other end of described slide plate is provided with the baffle plate corresponding with the operating position of the switch of another switch cubicle, and moving up and down of power supply indicator board drives moving horizontally thus can be used to the operation of the switch blocking corresponding switch cubicle of described baffle plate.
2. the mechanical interlocking device of powering for ring main unit dual power supply loading switch cabinet as claimed in claim 1, it is characterized in that, drag link mechanism described in each comprises the first pull bar and the second pull bar, described in one end and of described first pull bar, described one end of slide plate is rotatedly connected, one end of the other end and described second pull bar is rotatedly connected, the other end of described second pull bar and the power supply indicator board of described switch cubicle are rotatedly connected, described second pull bar is provided with sliding tray along its length, and a rotational pin being arranged on switch cabinet embeds also can relative sliding in described sliding tray.
3. the mechanical interlocking device of powering for ring main unit dual power supply loading switch cabinet as claimed in claim 1, it is characterized in that, each slide plate described is provided with the gathering sill of two length directions, embed a steady pin in gathering sill described in each, described slide plate can along described steady pin horizontal slip.
4. the mechanical interlocking device of powering for ring main unit dual power supply loading switch cabinet as claimed in claim 2, it is characterized in that, one end of described sliding tray is provided with seam can rest on described seam when described rotational pin is arranged in described seam keeping geo-stationary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510627397.1A CN105161336B (en) | 2015-09-28 | 2015-09-28 | The mechanical interlocking device powered for ring main unit dual power supply loading switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510627397.1A CN105161336B (en) | 2015-09-28 | 2015-09-28 | The mechanical interlocking device powered for ring main unit dual power supply loading switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105161336A true CN105161336A (en) | 2015-12-16 |
| CN105161336B CN105161336B (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510627397.1A Active CN105161336B (en) | 2015-09-28 | 2015-09-28 | The mechanical interlocking device powered for ring main unit dual power supply loading switch cabinet |
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| Country | Link |
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| CN (1) | CN105161336B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992090A (en) * | 2016-01-21 | 2017-07-28 | Ls 产电株式会社 | The interlock of ring main unit |
| CN110957158A (en) * | 2019-11-29 | 2020-04-03 | 深圳供电局有限公司 | Mechanical interlocking mechanism of double-insulation cabinet |
| CN112447426A (en) * | 2019-09-04 | 2021-03-05 | Abb瑞士股份有限公司 | Mechanical interlocking device and dual-power supply system |
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| EP0789926B1 (en) * | 1994-10-31 | 1998-05-06 | Siemens Aktiengesellschaft | Device for mutually locking the actuation of at least two power switches |
| CN101764374A (en) * | 2009-12-29 | 2010-06-30 | 北京双杰电气股份有限公司 | Solid insulation fully closed combined electrical apparatus |
| CN201629245U (en) * | 2010-01-29 | 2010-11-10 | 武汉西高电器有限公司 | Double-load switch interlocking device |
| CN204668740U (en) * | 2015-06-04 | 2015-09-23 | 北京昊创瑞通电气设备有限公司 | A kind of two on-load switch incoming line cabinet |
| CN205004210U (en) * | 2015-09-28 | 2016-01-27 | 上海广电电气(集团)股份有限公司 | A mechanical interlocking device that is used for looped netowrk cabinet dual power supply load switch cabinet to supply power |
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2015
- 2015-09-28 CN CN201510627397.1A patent/CN105161336B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0789926B1 (en) * | 1994-10-31 | 1998-05-06 | Siemens Aktiengesellschaft | Device for mutually locking the actuation of at least two power switches |
| CN101764374A (en) * | 2009-12-29 | 2010-06-30 | 北京双杰电气股份有限公司 | Solid insulation fully closed combined electrical apparatus |
| CN201629245U (en) * | 2010-01-29 | 2010-11-10 | 武汉西高电器有限公司 | Double-load switch interlocking device |
| CN204668740U (en) * | 2015-06-04 | 2015-09-23 | 北京昊创瑞通电气设备有限公司 | A kind of two on-load switch incoming line cabinet |
| CN205004210U (en) * | 2015-09-28 | 2016-01-27 | 上海广电电气(集团)股份有限公司 | A mechanical interlocking device that is used for looped netowrk cabinet dual power supply load switch cabinet to supply power |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992090A (en) * | 2016-01-21 | 2017-07-28 | Ls 产电株式会社 | The interlock of ring main unit |
| US10141129B2 (en) | 2016-01-21 | 2018-11-27 | Lsis Co., Ltd. | Interlock apparatus of ring main unit |
| CN112447426A (en) * | 2019-09-04 | 2021-03-05 | Abb瑞士股份有限公司 | Mechanical interlocking device and dual-power supply system |
| CN110957158A (en) * | 2019-11-29 | 2020-04-03 | 深圳供电局有限公司 | Mechanical interlocking mechanism of double-insulation cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105161336B (en) | 2017-08-29 |
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Address after: 201400 east 2, 123 Lane 1, Ring Road East, Fengxian District, Shanghai. Patentee after: Shanghai Anyiji Enterprise Development Co.,Ltd. Address before: 201400 east 2, 123 Lane 1, Ring Road East, Fengxian District, Shanghai. Patentee before: AEG ENTERPEISE DEVELOPMENT (SHANGHAI) CO.,LTD. |
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Effective date of registration: 20221114 Address after: 201400 east 2, 123 Lane 1, Ring Road East, Fengxian District, Shanghai. Patentee after: AEG ENTERPEISE DEVELOPMENT (SHANGHAI) CO.,LTD. Address before: No. 123 Lane 1, Huancheng East Road, Fengxian District, Shanghai 201400 Patentee before: SHANGHAI SGEG (GROUP) Co.,Ltd. Patentee before: AEG ENTERPEISE DEVELOPMENT (SHANGHAI) CO.,LTD. |
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