CN105336524B - The mechanical chain mechanism of dual power supply breaker cabinet power supply - Google Patents
The mechanical chain mechanism of dual power supply breaker cabinet power supply Download PDFInfo
- Publication number
- CN105336524B CN105336524B CN201510627411.8A CN201510627411A CN105336524B CN 105336524 B CN105336524 B CN 105336524B CN 201510627411 A CN201510627411 A CN 201510627411A CN 105336524 B CN105336524 B CN 105336524B
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- CN
- China
- Prior art keywords
- breaker
- power supply
- floodgate
- junction panel
- connecting rod
- 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)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
The mechanical chain mechanism of the dual power supply breaker cabinet power supply of the present invention includes：Two can slide up and down junction panel, and each junction panel, which is arranged on, is used for the divide-shut brake for controlling the breaker on corresponding power circuit breaker；Two connecting rods, one end of each connecting rod are connected with the junction panel of a power circuit breaker, and the other end is connected with the switchblade knife of another breaker；And a support frame, the middle part of each connecting rod is rotatedly connected with support frame as described above respectively.The mechanical chain mechanism of dual power supply breaker cabinet power supply provided by the invention includes two junction panels due to it, and each junction panel controls the switching of an electrical circuit breakers cabinet, it is connected simultaneously by the connecting rod with the switchblade knife of another electrical circuit breakers cabinet, if the breaker open operation, another breaker can just close a floodgate；When another breaker closing, this breaker can not close a floodgate again, and the chain function of double-power supply breaker cabinet power supply that is ingenious and solve thing problems, such as existing ring main unit not enough improves.
Description
Technical field
The present invention relates to middle pressure loop network control cabinet, the mechanical interlock mechanism that double-power supply breaker cabinet is powered is related specifically to.
Background technology
With extensive use of the ring main unit in power system, people propose new technology to ring main unit industry technology will
Ask：Mainly for the power reguirements more and more higher in electric power system.Dual power supply is even more important.
The chain function of the double-power supply breaker cabinet power supply of existing ring main unit is not perfect enough, is mainly manifested in：First, when one
When platform breaker cabinet is powered, chain it is easy to make another breaker cabinet to be closed by mistake by mistake point due to no.2nd, when a breaker
When cabinet power supply runs into failure.Need artificially to go this breaker cabinet separating brake, just can artificially go an other breaker cabinet to close
Lock.Due to this two breaker cabinets, this does not have interlock function, power supply is ensured, to operating personnel and maintainer
The very big hidden danger of security presence.
It is former according to the strategic objective of the strong intelligent grid of current nation-building and the requirement of Intelligent high voltage switch device construction
Some mechanisms cannot reliably ensure just due to not having mechanical chain effect to realize that intelligent switchboard system provides.
In view of this, how to ensure to power in the case where power supply is protected with safety.The machinery of dual power supply is even
Lock is with regard to needing to consider.
At present, the interlocking gear that this interlocking gear generally use mechanically or electrically controls.Publication No.
CN202332640U Chinese utility model patent discloses a kind of Double-power switch interlocking device, provided with Double-power controller
(4), cam mechanism (7), conversion thrust mechanism (8) and two proximity switches (15), cam mechanism (7) are rotatably arranged on shift fork
First, between two, when promoting each breaker respectively on the movement locus of cam mechanism (7) with corresponding shift fork one, two clampings,
Cam mechanism (7) is driven motor (14) output shaft of axis connection interlock, the control signal input of motor (14) and double electricity
The control signal output of source controller (4) is connected, the rotation of controlled motor (14), and this interlocking gear needs to click on control,
Structure is complex, moreover, reliability is not relatively high.
A kind of interlocking gear of Publication No. CN202332640U Combined-type high-voltage conversion switch is using one and lever 32
Connected drive link 335 is connected with two major-minor switches, realizes chain.Then, the conduction strength of this structure is smaller, it is impossible to solves
The dual power supply of certainly middle pressure loop network control cabinet is chain.
Above-mentioned interlocking gear uses an attachment means due between, can only realize that one opens the chain of a conjunction, it is impossible to realize
When two breakers are all in separating brake, its any breaker cabinet can be with "on" position all in opening.
The content of the invention
The technical problem to be solved in the present invention is to provide the mechanical chain mechanism of dual power supply breaker cabinet power supply.
To reach above-mentioned purpose, technical scheme is as follows：
The mechanical chain mechanism of the dual power supply breaker cabinet power supply of the present invention includes：
Two can slide up and down junction panel, and each junction panel, which is arranged on corresponding power circuit breaker, to be used for controlling institute
State the divide-shut brake of breaker；
Two connecting rods, one end of each connecting rod are connected with the junction panel of a power circuit breaker, the other end
It is connected with the switchblade knife of another breaker；And
One support frame, the middle part of each connecting rod are rotatedly connected with support frame as described above respectively,
When each breaker is in separating brake, any breaker can be closed a floodgate；When a breaker closing, with
The connected connecting rod of the plug-in strip of the breaker rotates, and causes with the junction panel that the connecting rod other end this described is connected corresponding
Another breaker can not be closed a floodgate；When any breaker breaks down, after the breaker open operation, another breaker
It can just close a floodgate；When another breaker closing, this breaker can not close a floodgate again.
Corresponding to the junction panel setting between the shift knob and magnet attraction part of breaker, the junction panel is provided with
One can allow the shift knob of the breaker in reference position by realizing the conjunction closed a floodgate to contact the magnet attraction part
Lock hole, and after the junction panel moves up certain distance from the reference position, the combined floodgate hole is deviateed the switch and pressed
Button, now, the shift knob can not be closed a floodgate by the combined floodgate hole to realize.
One end of the connecting rod and the junction panel of the breaker are rotatedly connected.
The switchblade knife of the other end of the connecting rod and another breaker is rotatedly connected.
Pass through above-mentioned technical proposal, the beneficial effects of the invention are as follows：
The mechanical chain mechanism of dual power supply breaker cabinet provided by the invention power supply because it includes two junction panels,
And each junction panel controls the switching of an electrical circuit breakers cabinet, while pass through the connecting rod and another electrical circuit breakers cabinet
Switchblade knife be connected, ensure that any breaker can be closed a floodgate when each breaker is in separating brake；In addition, when one
During the breaker closing, the connecting rod being connected with the breaker plug-in strip rotates, and is connected with the connecting rod other end this described
Junction panel prevent corresponding to another breaker from being closed a floodgate；And any breaker be when breaking down, if this is disconnected
Road device separating brake, another breaker can just close a floodgate；When another breaker closing, this breaker can not close a floodgate again, ingeniously
The chain function of double-power supply breaker cabinet power supply that is wonderful and solve thing problems, such as existing ring main unit not enough improves.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are 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 that Fig. 1 removes the structural upright schematic diagram after killer switch button.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Referring to shown in Fig. 1 and Fig. 2, dual power supply breaker cabinet contains power circuit breaker 12 and 13, each breaker 12,
13 contain shift knob 122,132 respectively, for switching.When shift knob 122,132 is pressed, corresponding magnet attraction part
126th, 136 work so that corresponding switchblade knife 121,131 closes a floodgate (up and down motion).
The mechanical chain mechanism of the dual power supply breaker cabinet power supply of the present invention includes junction panel 129,139, connecting rod
31st, 32 and support frame 2.
Junction panel 129,139 is separately positioned on the breaker 12,13 of power supply, and can be slided up and down described to control
The divide-shut brake of open circuit 12,13.The shift knob 122,123 of breaker 12,13 is inhaled with magnet corresponding to the setting of junction panel 129,139
Between conjunction part 126,136.
One end of connecting rod 31 is connected with the junction panel 129 of breaker 12, the switchblade knife 131 of the other end and breaker 13
It is connected.
One end of connecting rod 32 is connected with the junction panel 139 of breaker 13, the switchblade knife 121 of the other end and breaker 12
It is connected.
Connecting rod 31,32 is horizontally disposed, and its middle part is rotatedly connected with support frame 2.Support frame 2 has stationary plane 28,29, fixed
Face 28 can be connected with any fixed mechanism or framework of dual power supply breaker cabinet.Stationary plane 29 be provided with two rotary shafts 33,
34.Wherein, rotary shaft 34 is the rotary shaft of connecting rod 32；Rotary shaft 33 is the rotary shaft of connecting rod 31.
One end (left end) and the lower end of the junction panel 129 of breaker 12 of connecting rod 31 are rotatedly connected.A left side for connecting rod 31
Sliding groove 125 ' of the end provided with a horizontal direction, and the lower end of junction panel 129 is provided with a rotary shaft 125, so, works as junction panel
129 when moving up and down, and rotary shaft 125 can be slided in sliding groove 125 ', the lower end of junction panel 129 relative to connecting rod 31 a left side
End can rotate.
The other end (right-hand member) of connecting rod 31 is connected with the switchblade knife 131 of breaker 13 by rotary shaft 138.
One end (right-hand member) and the lower end of the junction panel 139 of breaker 13 of connecting rod 32 are rotatedly connected.The right side of connecting rod 32
Sliding groove 135 ' of the end provided with a horizontal direction, and the lower end of junction panel 139 is provided with a rotary shaft 135, so, works as junction panel
139 when moving up and down, and rotary shaft 135 can be slided in sliding groove 135 ', the lower end of junction panel 139 relative to connecting rod 32 the right side
End can rotate.
The other end (left end) of connecting rod 32 is connected with the switchblade knife 121 of breaker 12 by rotary shaft 128.
Junction panel 129 is arranged between the shift knob 122 of breaker 12 and magnet attraction part 126, and junction panel 129 is set
There is combined floodgate hole 179, the combined floodgate hole 179 can allow the shift knob 122 of the breaker by contact the magnet attraction portion
Part 126, which is realized, to close a floodgate.
Equally, junction panel 139 is arranged between the shift knob 132 of breaker 13 and magnet attraction part 136, junction panel
139 are provided with combined floodgate hole 279, and the combined floodgate hole 279 can allow the shift knob 132 of the breaker by being inhaled to contact the magnet
Close part 136 and realize combined floodgate.
Two vertical direction guide grooves 524 ', 124 ' are had on junction panel 129, correspondingly, in the fixation of junction panel 129
Two sliding pins 524,124 are respectively equipped with plate, sliding pin 524,124 is respectively in guide groove 524 ', 124 '.
When junction panel 129 is located at reference position, now, sliding pin 524,124 is respectively in guide groove 524 ', 124 '
Topmost (referring to position in Fig. 2), now, two breakers 12 and 13 are now in gate-dividing state, on junction panel 129,139
Combined floodgate hole 179,279 is directed at corresponding shift knob 122,132, and so, any killer switch button 122 or 132 can quilt
Press and close a floodgate.
Two vertical direction guide grooves 534 ', 134 ' are had on junction panel 139, correspondingly, in the fixation of junction panel 139
Two sliding pins 534,134 are respectively equipped with plate, sliding pin 534,134 is respectively in guide groove 534 ', 134 '.
When junction panel 139 is located at reference position, now, sliding pin 534,134 is respectively in guide groove 534 ', 134 '
Topmost (referring to position in Fig. 2), now, two breakers 12 and 13 are now in gate-dividing state, on junction panel 129,139
Combined floodgate hole 179,279 is directed at corresponding shift knob 122,132, and so, any killer switch button 122 or 132 can quilt
Press and close a floodgate.
When any breaker, such as breaker 12, combined floodgate, i.e., when shift knob 122 is pressed, breaker 12 is opened
Barrier gate knife 121 moves downward in the presence of by magnet attraction part 126, the left end of the connecting rod 32 being connected with the plug-in strip 121 to
Lower motion, then, the right-hand member of connecting rod 32 moves upwards, so as to drive coupled junction panel 139 to move upwards, now,
Deviate and (be no longer aligned with) corresponding shift knob 132 and its corresponding contact point (referring to figure in combined floodgate hole 279 on junction panel 139
2), that is, block shift knob 132 and prevent it from pressing and contacting the contact point, also allowing for breaker 13 can not be closed again
Lock.
Equally, when another breaker 13, combined floodgate, i.e., when shift knob 132 is pressed, the plug-in strip 131 of breaker 13 is by magnetic
Moved downward in the presence of iron adhesive part 136, the right-hand member for the connecting rod 31 being connected with the plug-in strip 131 moves downward, then, even
The left end of extension bar 31 moves upwards, so as to drive coupled junction panel 129 to move upwards, now, the conjunction on junction panel 129
Corresponding shift knob 122 and its corresponding contact point (referring to Fig. 2) are deviateed and (be no longer aligned with) in lock hole 179, that is, blocks out
Closing button 122 prevents it from pressing and contacting the contact point, and also allowing for breaker 12 can not be closed a floodgate again.
When any breaker 12,13 breaks down, for example, during 12 failure of breaker, then the separating brake of breaker 12.
Before the separating brake of short-circuiting device 12, it is to close a floodgate, and as described above, breaker 13 can not close a floodgate, it is, switchblade knife
121 positions being below, and the junction panel 139 being connected with the right-hand member of connecting rod 32 is in the position of top, then breaker
13 can not close a floodgate.Once however, the separating brake of short-circuiting device 12, switchblade knife 121 moves back into the position of top upwards, with connecting rod
The connected junction panel 139 of 32 right-hand member moves downward, and returns to reference position, now, combined floodgate hole 279 is directed at corresponding shift knob
132 and its corresponding contact point (i.e. Fig. 2 position), that is, no longer block shift knob 132 and can press and contact this
Contact point, also allowing for breaker 13 can be closed a floodgate.The handle hole of breaker 12 has also just blocked (gear by junction panel 129 simultaneously
Firmly) and it can not open.This breaker also would not be by false switching.
Conversely, the failure of breaker 13 and during separating brake, breaker 12 can just be closed a floodgate.After breaker 12 closes lock, simultaneously
The handle hole of breaker 13 has also just been blocked and (blocked) by junction panel 139, can not be opened, this breaker would not also be missed
Close a floodgate.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (3)
1. the mechanical chain mechanism of dual power supply breaker cabinet power supply, it is characterised in that including：
Two junction panels that can slide up and down, each junction panel, which is arranged on corresponding breaker, to be used for controlling the open circuit
The divide-shut brake of device；
Two connecting rods, one end of each connecting rod are connected with the junction panel of a breaker, the other end and another institute
The switchblade knife for stating breaker is connected；And
One support frame, the middle part of each connecting rod are rotatedly connected with support frame as described above respectively,
When each breaker is in separating brake, any breaker can be closed a floodgate；It is disconnected with this when a breaker closing
The connected connecting rod of the switchblade knife of road device rotates, and the junction panel being connected with the connecting rod other end causes corresponding another
Platform breaker can not be closed a floodgate；When any breaker breaks down, after the breaker open operation, another breaker just may be used
Close a floodgate；When another breaker closing, another breaker to have closed a floodgate can not close a floodgate again；
The junction panel is arranged between the shift knob and magnet attraction part of corresponding breaker, and the junction panel is provided with one
The shift knob of the breaker can be allowed in reference position by realizing the combined floodgate to close a floodgate to contact the magnet attraction part
Hole, and after the junction panel moves up certain distance from the reference position, the shift knob is deviateed in the combined floodgate hole,
Now, the shift knob can not be closed a floodgate by the combined floodgate hole to realize.
2. the mechanical chain mechanism of dual power supply breaker cabinet power supply as claimed in claim 1, it is characterised in that the company
One end of extension bar and the junction panel of the breaker are rotatedly connected.
3. the mechanical chain mechanism of dual power supply breaker cabinet power supply as claimed in claim 1, it is characterised in that the company
The switchblade knife of the other end of extension bar and another breaker is 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 CN105336524A (en) | 2016-02-17 |
| CN105336524B true CN105336524B (en) | 2017-12-26 |
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| 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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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0244619A (en) * | 1988-08-02 | 1990-02-14 | Aichi Denki Seisakusho:Kk | Power supply changeover opening/closing device with bypass breaker |
| US4902859A (en) * | 1989-03-02 | 1990-02-20 | Siemens Energy & Automation, Inc. | Circuit breaker mechanical interlock |
| CN103681031B (en) * | 2012-08-30 | 2015-12-09 | 上海电科电器科技有限公司 | The interlock 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 |
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2015
- 2015-09-28 CN CN201510627411.8A patent/CN105336524B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105336524A (en) | 2016-02-17 |
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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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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
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. |