CN105336524A - Dual power supply circuit breaker cabinet powered mechanical interlocking mechanism - Google Patents
Dual power supply circuit breaker cabinet powered mechanical interlocking mechanism Download PDFInfo
- Publication number
- CN105336524A CN105336524A CN201510627411.8A CN201510627411A CN105336524A CN 105336524 A CN105336524 A CN 105336524A CN 201510627411 A CN201510627411 A CN 201510627411A CN 105336524 A CN105336524 A CN 105336524A
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- power supply
- connecting rod
- breaker
- junction panel
- 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.)
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Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
- H01H2300/024—Avoid unwanted operation
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanisms For Operating Contacts (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention provides a dual power supply circuit breaker cabinet powered mechanical interlocking mechanism comprising two slide interlocking plates which can slide upwardly and downwardly, two connecting rods and a supporting frame. Each interlocking plate is arranged on a corresponding power supply circuit breaker and used for controlling switching and closing of the circuit breaker. One end of each connecting rod is connected with one interlocking plate of the power supply circuit breaker, and the other end is connected with the switch blade of another circuit breaker. The middle part of each connecting rod is rotatably connected with the supporting frame. According to the dual power supply circuit breaker cabinet powered mechanical interlocking mechanism, the dual power supply circuit breaker cabinet powered mechanical interlocking mechanism comprises two interlocking plates, each interlocking plate controls switching and closing of one electric circuit breaker cabinet, each connecting rod is connected with the switch blade of another electric circuit breaker cabinet, another circuit breaker is closed if the circuit breaker is switched, and the circuit breaker cannot be closed if another circuit breaker is closed so that a problem of inadequacy of the dual power supply circuit breaker cabinet powered interlocking function of existing looped network cabinets can be ingeniously and effectively solved.
Description
Technical field
The present invention relates to middle pressure loop network control cabinet, be related specifically to the mechanical interlock mechanism that double-power supply breaker 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: more and more higher mainly for the power reguirements in electric power system.Dual power supply is even more important.
The chain function that the double-power supply breaker cabinet of existing ring main unit is powered is perfect not, is mainly manifested in: one, when a breaker cabinet is powered, and makes another breaker cabinet be closed mistake point by mistake owing to not having chain being easy to.Two, when a breaker cabinet power run into fault time.Needing people for going to this breaker cabinet separating brake, just can people for going, an other breaker cabinet being closed a floodgate.Due to these two breaker cabinets, this does not have interlock function, makes power supply can not get ensureing, to the very big hidden danger of security presence 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, just owing to not having mechanical chain effect, just can not provide reliable guarantee for realizing intelligent switchboard system.
In view of this, how to ensure to power when power supply is protected and is safe.The mechanical chain of dual power supply just needs to consider.
At present, this interlocking gear adopts the interlocking gear of machinery or electrical control usually.Publication number is that the Chinese utility model patent of CN202332640U discloses a kind of Double-power switch interlocking device, be provided with Double-power controller (4), cam mechanism (7), conversion thrust mechanism (8) and two proximity switches (15), cam mechanism (7) is rotating is arranged on shift fork one, between two, on the movement locus of cam mechanism (7) respectively promote each circuit breaker time with corresponding shift fork one, two clampings, cam mechanism (7) power transmission shaft connects motor (14) output shaft of interlock, the control signal input of motor (14) is connected with the control signal output of Double-power controller (4), control the rotation of motor (14), this interlocking gear needs to click control, structure is comparatively complicated, and, reliability is relatively not high.
Publication number is that the interlocking gear of a kind of Combined-type high-voltage conversion switch of CN202332640U adopts a drive link 335 be connected with lever 32 to be connected with two major-minor switches, realizes chain.Then, the conduction strength of this structure is less, presses the duplicate supply of loop network control cabinet chain in can not solving.
Above-mentioned interlocking gear due between adopt a jockey, can only realize one and open the chain of a conjunction, can not realize when two circuit breakers are all in separating brake, its any breaker cabinet is all in that open can "on" position.
Summary of the invention
The technical problem to be solved in the present invention is to provide the mechanical chain mechanism that dual power supply breaker cabinet is powered.
For achieving the above object, technical scheme of the present invention is as follows:
The mechanical chain mechanism that dual power supply breaker cabinet of the present invention is powered comprises:
Two can slide up and down junction panel, and junction panel described in each is arranged on the divide-shut brake corresponding power circuit breaker being used for controlling described circuit breaker;
Two connecting rods, one end of connecting rod described in each is connected with the junction panel of power circuit breaker described in, and the other end is connected with the switchblade knife of circuit breaker described in another; And
One bracing frame, the middle part of each connecting rod described is rotatedly connected with support frame as described above respectively,
When described in each, circuit breaker is in separating brake, arbitrary circuit breaker can be closed a floodgate; When described in one during breaker closing, the described connecting rod be connected with the plug-in strip of this circuit breaker rotates, and with the junction panel that the connecting rod other end described in this is connected, another corresponding circuit breaker can not be closed a floodgate; When arbitrary circuit breaker breaks down, after described breaker open operation, another circuit breaker just can close a floodgate; When another breaker closing, can not closing a floodgate again of this circuit breaker.
Between the shift knob that described junction panel arranges corresponding circuit breaker and magnet attraction parts, described junction panel is provided with one can allow the shift knob of described circuit breaker pass through to contact the combined floodgate hole that described magnet attraction parts realize combined floodgate in reference position, and after described junction panel moves up certain distance from described reference position, described shift knob is departed from described combined floodgate hole, now, described shift knob does not realize closing a floodgate by described combined floodgate hole.
One end of described connecting rod and the junction panel of described circuit breaker are rotatedly connected.
The other end and the switchblade knife of circuit breaker described in another of described connecting rod are rotatedly connected.
By technique scheme, the invention has the beneficial effects as follows:
The mechanical chain mechanism that dual power supply breaker cabinet provided by the invention is powered comprises two junction panels due to it, and junction panel described in each controls the switching of an electrical circuit breakers cabinet, be connected with the switchblade knife of another electrical circuit breakers cabinet by described connecting rod simultaneously, ensure that when described in each, circuit breaker is in separating brake, arbitrary circuit breaker can be closed a floodgate; In addition, when described in one during breaker closing, the described connecting rod be connected with this circuit breaker plug-in strip rotates, and with the junction panel that the connecting rod other end described in this is connected, another corresponding circuit breaker can not be closed a floodgate; And arbitrary circuit breaker is when breaking down, if this breaker open operation, another circuit breaker just can close a floodgate; When another breaker closing, can not closing a floodgate again of this circuit breaker, the problem that ingenious and double-power supply breaker cabinet that is that the efficiently solve existing ring main unit chain function of powering is perfect not.
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 structural upright schematic diagram of one embodiment of the present of invention.
Fig. 2 is the structural upright schematic diagram after Fig. 1 removes killer switch button.
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.
Shown in Fig. 1 and Fig. 2, dual power supply breaker cabinet contains power circuit breaker 12 and 13, and each circuit breaker 12,13, respectively containing shift knob 122,132, is used for switching.When shift knob 122,132 is pressed, corresponding magnet attraction parts 126,136 work makes corresponding switchblade knife 121,131 close a floodgate (moving up and down).
The mechanical chain mechanism that dual power supply breaker cabinet of the present invention is powered comprise junction panel 129,139, connecting rod 31,32 and bracing frame 2.
Junction panel 129,139 is separately positioned on the circuit breaker 12,13 of power supply, and can slide up and down to control the divide-shut brake of described open circuit 12,13.Between the shift knob 122,123 that junction panel 129,139 arranges corresponding circuit breaker 12,13 and magnet attraction parts 126,136.
One end of connecting rod 31 is connected with the junction panel 129 of circuit breaker 12, and the other end is connected with the switchblade knife 131 of circuit breaker 13.
One end of connecting rod 32 is connected with the junction panel 139 of circuit breaker 13, and the other end is connected with the switchblade knife 121 of circuit breaker 12.
Connecting rod 31,32 horizontal arrangement, is rotatedly connected with bracing frame 2 in the middle part of it.Bracing frame 2 has stationary plane 28,29, and stationary plane 28 can be connected with arbitrary fixed mechanism of dual power supply breaker cabinet or framework.Stationary plane 29 is provided with two rotation axiss 33,34.Wherein, rotation axis 34 is rotation axiss of connecting rod 32; Rotation axis 33 is rotation axiss of connecting rod 31.
One end (left end) of connecting rod 31 is rotatedly connected with the lower end of the junction panel 129 of circuit breaker 12.The left end of connecting rod 31 is provided with the sliding tray 125 ' of a horizontal direction, and the lower end of junction panel 129 is provided with a rotation axis 125, like this, when junction panel 129 moves up and down, rotation axis 125 can slide in sliding tray 125 ', and the lower end of junction panel 129 can be rotated relative to the left end of connecting rod 31.
The other end (right-hand member) of connecting rod 31 is connected by rotation axis 138 with the switchblade knife 131 of circuit breaker 13.
One end (right-hand member) of connecting rod 32 is rotatedly connected with the lower end of the junction panel 139 of circuit breaker 13.The right-hand member of connecting rod 32 is provided with the sliding tray 135 ' of a horizontal direction, and the lower end of junction panel 139 is provided with a rotation axis 135, like this, when junction panel 139 moves up and down, rotation axis 135 can slide in sliding tray 135 ', and the lower end of junction panel 139 can be rotated relative to the right-hand member of connecting rod 32.
The other end (left end) of connecting rod 32 is connected by rotation axis 128 with the switchblade knife 121 of circuit breaker 12.
Junction panel 129 is arranged between the shift knob 122 of circuit breaker 12 and magnet attraction parts 126, junction panel 129 is provided with combined floodgate hole 179, and this combined floodgate hole 179 can allow the shift knob 122 of described circuit breaker by realizing closing a floodgate to contact described magnet attraction parts 126.
Equally, junction panel 139 is arranged between the shift knob 132 of circuit breaker 13 and magnet attraction parts 136, junction panel 139 is provided with combined floodgate hole 279, and this combined floodgate hole 279 can allow the shift knob 132 of described circuit breaker by realizing closing a floodgate to contact described magnet attraction parts 136.
Junction panel 129 has two vertical direction gathering sills 524 ', 124 ', correspondingly, the fixed head of junction panel 129 is respectively equipped with two sliding pins 524,124, and sliding pin 524,124 lays respectively in gathering sill 524 ', 124 '.
When junction panel 129 is positioned at reference position, now, sliding pin 524,124 lays respectively at the top (see position in Fig. 2) in gathering sill 524 ', 124 ', now, two circuit breakers 12 and 13 are now in gate-dividing state, corresponding shift knob 122,132 is aimed in combined floodgate hole 179,279 on junction panel 129,139, and like this, this killer switch button 122 or 132 arbitrary can be pressed and close a floodgate.
Junction panel 139 has two vertical direction gathering sills 534 ', 134 ', correspondingly, the fixed head of junction panel 139 is respectively equipped with two sliding pins 534,134, and sliding pin 534,134 lays respectively in gathering sill 534 ', 134 '.
When junction panel 139 is positioned at reference position, now, sliding pin 534,134 lays respectively at the top (see position in Fig. 2) in gathering sill 534 ', 134 ', now, two circuit breakers 12 and 13 are now in gate-dividing state, corresponding shift knob 122,132 is aimed in combined floodgate hole 179,279 on junction panel 129,139, and like this, this killer switch button 122 or 132 arbitrary can be pressed and close a floodgate.
When arbitrary described circuit breaker, such as circuit breaker 12, during combined floodgate, namely when shift knob 122 is pressed, the switchblade knife 121 of circuit breaker 12 is subject to the moved downward of magnet attraction parts 126, the left end of the connecting rod 32 be connected with this plug-in strip 121 moves downward, so, the right-hand member of connecting rod 32 moves upward, thus drive coupled junction panel 139 to move upward, now, combined floodgate hole 279 on junction panel 139 is departed from (no longer aim at) corresponding shift knob 132 and corresponding contact point (see Fig. 2) thereof, namely block shift knob 132 make it not press and contact this contact point, also circuit breaker 13 is just made not closed a floodgate again.
Equally, when another circuit breaker 13, during combined floodgate, namely when shift knob 132 is pressed, the plug-in strip 131 of circuit breaker 13 is subject to the moved downward of magnet attraction parts 136, the right-hand member of the connecting rod 31 be connected with this plug-in strip 131 moves downward, so, the left end of connecting rod 31 moves upward, thus drive coupled junction panel 129 to move upward, now, combined floodgate hole 179 on junction panel 129 is departed from (no longer aim at) corresponding shift knob 122 and corresponding contact point (see Fig. 2) thereof, namely block shift knob 122 make it not press and contact this contact point, also circuit breaker 12 is just made not closed a floodgate again.
When arbitrary circuit breaker 12,13 breaks down, such as, during circuit breaker 12 fault, so circuit breaker 12 separating brake.Before short-circuiting device 12 separating brake, it closes a floodgate, according to description above, circuit breaker 13 can not close a floodgate, and namely, switchblade knife 121 is in the position of below, and the junction panel 139 be connected with the right-hand member of connecting rod 32 is in the position of top, so circuit breaker 13 can not close a floodgate.But, once short-circuiting device 12 separating brake, switchblade knife 121 moves upward and gets back to the position of top, the junction panel 139 be connected with the right-hand member of connecting rod 32 moves downward, get back to reference position, now, corresponding shift knob 132 and corresponding contact point (i.e. the position of Fig. 2) thereof are aimed in combined floodgate hole 279, namely no longer block shift knob 132 can press and contact this contact point, also just make circuit breaker 13 to be closed a floodgate.The handle hole of circuit breaker 12 has also just been blocked (having blocked) by junction panel 129 and can not open simultaneously.This circuit breaker also would not by false switching.
Otherwise, circuit breaker 13 fault and separating brake time, circuit breaker 12 just can be closed a floodgate.After circuit breaker 12 closes lock, the handle hole of circuit breaker 13 has also just been blocked (having blocked) by junction panel 139 simultaneously, and can not open, this circuit breaker also would not by false switching.
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. the dual power supply breaker cabinet mechanical chain mechanism of powering, is characterized in that, comprising:
Two can slide up and down junction panel, and junction panel described in each is arranged on the divide-shut brake corresponding power circuit breaker being used for controlling described circuit breaker;
Two connecting rods, one end of connecting rod described in each is connected with the junction panel of power circuit breaker described in, and the other end is connected with the switchblade knife of circuit breaker described in another; And
One bracing frame, the middle part of each connecting rod described is rotatedly connected with support frame as described above respectively,
When described in each, circuit breaker is in separating brake, arbitrary circuit breaker can be closed a floodgate; When described in one during breaker closing, the described connecting rod be connected with the plug-in strip of this circuit breaker rotates, and with the junction panel that the connecting rod other end described in this is connected, another corresponding circuit breaker can not be closed a floodgate; When arbitrary circuit breaker breaks down, after described breaker open operation, another circuit breaker just can close a floodgate; When another breaker closing, can not closing a floodgate again of this circuit breaker.
2. the dual power supply breaker cabinet mechanical chain mechanism of powering as claimed in claim 1, it is characterized in that, between the shift knob that described junction panel is arranged on corresponding circuit breaker and magnet attraction parts, described junction panel is provided with one can allow the shift knob of described circuit breaker pass through to contact the combined floodgate hole that described magnet attraction parts realize combined floodgate in reference position, and after described junction panel moves up certain distance from described reference position, described shift knob is departed from described combined floodgate hole, now, described shift knob does not realize closing a floodgate by described combined floodgate hole.
3. arbitrary dual power supply breaker cabinet mechanical chain mechanism of powering as claimed in claim 1 or 2, it is characterized in that, one end of described connecting rod and the junction panel of described circuit breaker are rotatedly connected.
4. arbitrary dual power supply breaker cabinet mechanical chain mechanism of powering as claimed in claim 1 or 2, it is characterized in that, the other end and the switchblade knife of circuit breaker described in another of described connecting rod are rotatedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510627411.8A CN105336524B (en) | 2015-09-28 | 2015-09-28 | The mechanical chain mechanism of dual power supply breaker cabinet power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510627411.8A CN105336524B (en) | 2015-09-28 | 2015-09-28 | The mechanical chain mechanism of dual power supply breaker cabinet power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105336524A true CN105336524A (en) | 2016-02-17 |
| CN105336524B CN105336524B (en) | 2017-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510627411.8A Active CN105336524B (en) | 2015-09-28 | 2015-09-28 | The mechanical chain mechanism of dual power supply breaker cabinet power supply |
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| Country | Link |
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| CN (1) | CN105336524B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360753A (en) * | 2018-11-06 | 2019-02-19 | 安士缔(中国)电气设备有限公司 | The mechanical interlocking device and Dual-power device of middle pressure double power supply automatic switching switch |
| 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 |
| CN117747367A (en) * | 2023-12-27 | 2024-03-22 | 阿科法电气有限公司 | Ring main unit circuit breaker switch interlocking mechanism |
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| US4937403A (en) * | 1988-08-02 | 1990-06-26 | Aichi Electric Works Co., Ltd. | Power source switching device |
| CN202917351U (en) * | 2012-11-19 | 2013-05-01 | 福州天一同益电气有限公司 | Double-switch mutual mechanical interlocking mechanism |
| CN103681031A (en) * | 2012-08-30 | 2014-03-26 | 上海电科电器科技有限公司 | Interlocking device of change-over switch |
| CN203690158U (en) * | 2014-02-19 | 2014-07-02 | 库柏爱迪生(平顶山)电子科技有限公司 | Power-distribution-network looped network cabinet double power supply switch machinery interlocking system |
| CN203895757U (en) * | 2014-05-28 | 2014-10-22 | 福建山尔电力股份有限公司 | Main body structure of double-power supply wire inlet switch cabinet |
| CN205122425U (en) * | 2015-09-28 | 2016-03-30 | 上海广电电气(集团)股份有限公司 | Mechanical interlocking mechanism of dual power supply circuit breaker cabinet power supply |
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2015
- 2015-09-28 CN CN201510627411.8A patent/CN105336524B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4937403A (en) * | 1988-08-02 | 1990-06-26 | Aichi Electric Works Co., Ltd. | Power source switching device |
| US4902859A (en) * | 1989-03-02 | 1990-02-20 | Siemens Energy & Automation, Inc. | Circuit breaker mechanical interlock |
| CN103681031A (en) * | 2012-08-30 | 2014-03-26 | 上海电科电器科技有限公司 | Interlocking device of change-over switch |
| CN202917351U (en) * | 2012-11-19 | 2013-05-01 | 福州天一同益电气有限公司 | Double-switch mutual mechanical interlocking mechanism |
| CN203690158U (en) * | 2014-02-19 | 2014-07-02 | 库柏爱迪生(平顶山)电子科技有限公司 | Power-distribution-network looped network cabinet double power supply switch machinery interlocking system |
| CN203895757U (en) * | 2014-05-28 | 2014-10-22 | 福建山尔电力股份有限公司 | Main body structure of double-power supply wire inlet switch cabinet |
| CN205122425U (en) * | 2015-09-28 | 2016-03-30 | 上海广电电气(集团)股份有限公司 | Mechanical interlocking mechanism of dual power supply circuit breaker cabinet power supply |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360753A (en) * | 2018-11-06 | 2019-02-19 | 安士缔(中国)电气设备有限公司 | The mechanical interlocking device and Dual-power device of middle pressure double power supply automatic switching switch |
| CN109360753B (en) * | 2018-11-06 | 2024-01-19 | 安士缔(中国)电气设备有限公司 | Mechanical interlocking device of medium-voltage dual-power automatic change-over switch and dual-power device |
| 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 |
| CN117747367A (en) * | 2023-12-27 | 2024-03-22 | 阿科法电气有限公司 | Ring main unit circuit breaker switch interlocking mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105336524B (en) | 2017-12-26 |
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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: 20221111 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. |