CN102543518B - Interlocking device for dual power supply changeover switch - Google Patents
Interlocking device for dual power supply changeover switch Download PDFInfo
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- CN102543518B CN102543518B CN201210050095.9A CN201210050095A CN102543518B CN 102543518 B CN102543518 B CN 102543518B CN 201210050095 A CN201210050095 A CN 201210050095A CN 102543518 B CN102543518 B CN 102543518B
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- indication piece
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- interlocking
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- hole
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Abstract
The invention discloses an interlocking device for a dual power supply changeover switch. The interlocking device comprises a switching mechanism, an operating mechanism, an indication mechanism and an interlocking mechanism; the switching mechanism comprises a switching main shaft and a changeover plate, and the edge of the changeover plate is provided with a sliding surface; the operating mechanism is provided with a frame and a closing half shaft; the indication mechanism comprises a main indication piece, a main offsetting spring and an auxiliary offsetting spring; the interlocking mechanism comprises an interlocking plate, a main interlocking rod and an auxiliary interlocking rod; the interlocking plate is basically in the shape of Y and provided with three convex plates, and the center of the interlocking plate is rotationally arranged on the frame of the operating mechanism; each convex plate of the interlocking plate is provided with an interlocking hole, one of the interlocking plate is nested on the closing half shaft through own interlocking hole, and the other two convex plates are connected with the main interlocking rod or the auxiliary interlocking rod via respective interlocking holes; and the other end of the main interlocking rod is connected with the main indication piece, and the auxiliary interlocking rod is connected with the auxiliary indication piece. The interlocking device of the invention can limit the closing half shaft through the linkage of the indication mechanism according to the state of the switching main shaft, thereby effectively preventing error operations and improving safety performance.
Description
Technical field
The invention belongs to low-voltage electrical apparatus structure-design technique field, be specifically related to a kind of interlock for dual-power transfer switch.
Background technology
The topmost performance index of automatic transfer switching electric appliance are short circuit making capacity, short circuit breaking capacity, electrical endurance and mechanical endurance, and device for switching Structure and Properties index effect has direct relation.The automatic transfer switching electric appliance of traditional more than 630A specification uses dual-mechanism or double electromagnet interlock, its shortcoming is adopting the quality of fit of many its each parts of complex structure of dual-mechanism its parts of transmission to require height, and break down often; Adopt double electromagnet interlock to need in debugging and maintenance the action of electromagnet power switch ability, otherwise automatic change-over just can not use.
Be the diverter switch electrical equipment of the place use that 630A electricity consumption requirement can not have a power failure both at home and abroad in rated current, great majority are all that two the omnipotent breaker switches adopted add switch controller and mechanical interlocking and form, and its design feature is: adopt two omnipotent breakers that two cabinets just must be adopted to add connection busbar between the secondary control loop of these two switches and this two cabinet.So not only uneconomical, but also waste resource, and floor space is large.
Adopt above-mentioned two kinds of duplicate supply switching modes, have certain switching effect, but unparalleled point of position also exist switching longer, in handoff procedure, have obvious interruption duration and the weak point such as easily to break down.
Summary of the invention
The object of this invention is to provide a kind of interlock for dual-power transfer switch of effective raising security performance.
The technical scheme realizing the object of the invention is: a kind of interlock for dual-power transfer switch, comprises switching mechanism, operating mechanism, indicating mechanism and interlocking device; Described switching mechanism comprises switching main shaft, is arranged on the reversing plate switched on main shaft, and the edge of described reversing plate is provided with sliding surface; Framework and combined floodgate semiaxis is provided with in described operating mechanism; Described indicating mechanism comprises rotating and is arranged on main indication piece in mount pad, for providing the master reset spring of reseting elasticity for main indication piece, rotates the secondary indication piece that is arranged in mount pad and for providing the secondary back-moving spring of reseting elasticity for secondary indication piece; One end of described main indication piece, under the effect of master reset spring, is connected on the sliding surface of reversing plate, described main indication piece under the reset response of master reset spring and under the toggle action of reversing plate can in certain angle reciprocating rotation; One end of described secondary indication piece, under the effect of secondary back-moving spring, is connected on the sliding surface of reversing plate, described secondary indication piece under the reset response of secondary back-moving spring and under the toggle action of reversing plate can in certain angle reciprocating rotation; Described interlocking device comprises interlock plate, main blocking lever and duplicate invoice locking bar; The basic configuration of described interlock plate is the Y shape being provided with three flanges, and its center is rotated by bearing pin and is arranged on the framework of operating mechanism; In described interlock plate, each flange is equipped with an interlocking hole, one of them flange is located on combined floodgate semiaxis by its chain borehole jack, and another two flanges are connected by its interlocking Kong Yuzhu blocking lever or duplicate invoice locking bar; The other end of described main blocking lever is connected with main indication piece, and described duplicate invoice locking bar is connected with secondary indication piece.
In such scheme, the other end of described main indication piece is provided with sign; The other end of described secondary indication piece is provided with sign.
In such scheme, described main indication piece and secondary indication piece are equipped with kidney-shaped hanging hole; One end of described master reset spring is hooked on mount pad, and the other end is hooked in the kidney-shaped hanging hole of main indication piece, and in the rotation process of main indication piece, from then on one end of kidney-shaped hanging hole moves to the other end; One end of described secondary back-moving spring is hooked on mount pad, and the other end is hooked in the kidney-shaped hanging hole of secondary indication piece, and in the rotation process of secondary indication piece, from then on one end of kidney-shaped hanging hole moves to the other end.
In such scheme, described main indication piece is provided with between sign and its center of rotation at it and is provided with a main connecting axle; One end of described main blocking lever is provided with the waist-shaped hole for being connected with a flange in interlock plate, and the other end is provided with the circular hole for being connected with this main connecting axle; Described secondary indication piece is provided with between sign and its center of rotation at it and is provided with a secondary connecting axle; One end of described duplicate invoice locking bar is provided with the waist-shaped hole for being connected with a flange in interlock plate, and the other end is provided with the circular hole for being connected with this secondary connecting axle.
Interlock plate in the present invention according to switching main shaft status, by interlock and then the spacing combined floodgate semiaxis of indicating mechanism, can make it arbitrarily can not carry out divide-shut brake action, effectively prevents the generation because of misoperation, improve security performance.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is a kind of sectional structure schematic diagram of operating mechanism in the present invention;
A kind of structural representation of interlock plate in interlock shown in Fig. 3 Fig. 1;
Embodiment
(embodiment 1)
Fig. 1 to Fig. 3 shows a kind of embodiment of the present invention, and wherein Fig. 1 is a kind of structural representation of the present invention; Fig. 2 is a kind of sectional structure schematic diagram of operating mechanism in the present invention; A kind of structural representation of interlock plate in interlock shown in Fig. 3 Fig. 1.
The present embodiment is a kind of interlock for dual-power transfer switch, sees Fig. 1 to Fig. 3, comprises switching mechanism 3, operating mechanism 4, indicating mechanism 5 and interlocking device 7; It is characterized in that: described switching mechanism 3 comprises switching main shaft 31, is arranged on the reversing plate 32 switched on main shaft 31, and the edge of described reversing plate 32 is provided with sliding surface 323; Framework 41 and combined floodgate semiaxis 42 is provided with in described operating mechanism 4;
Described indicating mechanism 5 comprises rotating and is arranged on main indication piece 51 in mount pad 1, for providing the master reset spring 52 of reseting elasticity for main indication piece 51, rotates the secondary indication piece 53 that is arranged in mount pad 1 and for providing the secondary back-moving spring 54 of reseting elasticity for secondary indication piece 53;
One end of described main indication piece 51, under the effect of master reset spring 52, is connected on the sliding surface 323 of reversing plate 32, described main indication piece 51 under the reset response of master reset spring 52 and under the toggle action of reversing plate 32 can in certain angle reciprocating rotation; One end of described secondary indication piece 53, under the effect of secondary back-moving spring 54, is connected on the sliding surface 323 of reversing plate 32, described secondary indication piece 53 under the reset response of secondary back-moving spring 54 and under the toggle action of reversing plate 32 can in certain angle reciprocating rotation;
Described interlocking device 7 comprises interlock plate 71, main blocking lever 72 and duplicate invoice locking bar 73; The basic configuration of described interlock plate 71 is the Y shapes being provided with three flanges 711, and its center is rotated by bearing pin and is arranged on the framework 41 of operating mechanism 4; In described interlock plate 71, each flange 711 is equipped with an interlocking hole 712, one of them flange 711 is located on combined floodgate semiaxis 42 by its chain borehole jack, and another two flanges 711 are connected with main blocking lever 72 or duplicate invoice locking bar 73 by its interlocking hole 712; The other end of described main blocking lever 72 is connected with main indication piece 51, and described duplicate invoice locking bar 73 is connected with secondary indication piece 53.
The other end of described main indication piece 51 is provided with sign 511; The other end of described secondary indication piece 53 is provided with sign 531.
Described main indication piece 51 and secondary indication piece 53 are equipped with kidney-shaped hanging hole 55;
One end of described master reset spring 52 is hooked on mount pad 1, and the other end is hooked in the kidney-shaped hanging hole 55 of main indication piece 51, and in the rotation process of main indication piece 51, from then on one end of kidney-shaped hanging hole 55 moves to the other end; One end of described secondary back-moving spring 54 is hooked on mount pad 1, and the other end is hooked in the kidney-shaped hanging hole 55 of secondary indication piece 53, and in the rotation process of secondary indication piece 53, from then on one end of kidney-shaped hanging hole 55 moves to the other end.
Described main indication piece 51 is provided with between sign 511 and its center of rotation at it and is provided with a main connecting axle 512; One end of described main blocking lever 72 is provided with the waist-shaped hole for being connected with a flange 711 in interlock plate 71, and the other end is provided with the circular hole for being connected with this main connecting axle 512; Described secondary indication piece 53 is provided with between sign 531 and its center of rotation at it and is provided with a secondary connecting axle 532; One end of described duplicate invoice locking bar 73 is provided with the waist-shaped hole for being connected with a flange 711 in interlock plate 71, and the other end is provided with the circular hole for being connected with this secondary connecting axle 532.
Interlock plate in the present embodiment according to switching main shaft status, by interlock and then the spacing combined floodgate semiaxis of indicating mechanism, can make it arbitrarily can not carry out divide-shut brake action, effectively prevents the generation because of misoperation, improve security performance.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.
Claims (1)
1., for an interlock for dual-power transfer switch, comprise switching mechanism (3), operating mechanism (4), indicating mechanism (5) and interlocking device (7); It is characterized in that: described switching mechanism (3) comprises switching main shaft (31), is arranged on the reversing plate (32) switched on main shaft (31), and the edge of described reversing plate (32) is provided with sliding surface (323); Framework (41) and combined floodgate semiaxis (42) is provided with in described operating mechanism (4); Described indicating mechanism (5) comprises rotation and is arranged on main indication piece (51) in mount pad (1), for providing the master reset spring (52) of reseting elasticity for main indication piece (51), rotates the secondary indication piece (53) that is arranged in mount pad (1) and for providing the secondary back-moving spring (54) of reseting elasticity for secondary indication piece (53); One end of described main indication piece (51) is under the effect of master reset spring (52), be connected on the sliding surface (323) of reversing plate (32), described main indication piece (51) under the reset response of master reset spring (52) and under the toggle action of reversing plate (32) can in certain angle reciprocating rotation; One end of described secondary indication piece (53) is under the effect of secondary back-moving spring (54), be connected on the sliding surface (323) of reversing plate (32), described secondary indication piece (53) under the reset response of secondary back-moving spring (54) and under the toggle action of reversing plate (32) can in certain angle reciprocating rotation; Described interlocking device (7) comprises interlock plate (71), main blocking lever (72) and duplicate invoice locking bar (73); The basic configuration of described interlock plate (71) is the Y shape being provided with three flanges (711), and its center is rotated by bearing pin and is arranged on the framework (41) of operating mechanism (4); In described interlock plate (71), each flange (711) is equipped with interlocking hole (712), one of them flange (711) is located on combined floodgate semiaxis (42) by its chain borehole jack, and another two flanges (711) are connected with duplicate invoice locking bar (73) with main blocking lever (72) respectively by its interlocking hole (712); The other end of described main blocking lever (72) is connected with main indication piece (51), and described duplicate invoice locking bar (73) is connected with secondary indication piece (53); The other end of described main indication piece (51) is provided with sign (511); The other end of described secondary indication piece (53) is provided with sign (531); Described main indication piece (51) and secondary indication piece (53) are equipped with kidney-shaped hanging hole (55); One end of described master reset spring (52) is hooked on mount pad (1), the other end is hooked in the kidney-shaped hanging hole (55) of main indication piece (51), and in the rotation process of main indication piece (51), from then on one end of kidney-shaped hanging hole (55) moves to the other end; One end of described secondary back-moving spring (54) is hooked on mount pad (1), the other end is hooked in the kidney-shaped hanging hole (55) of secondary indication piece (53), and in the rotation process of secondary indication piece (53), from then on one end of kidney-shaped hanging hole (55) moves to the other end; Described main indication piece (51) is provided with between sign (511) and its center of rotation at it and is provided with a main connecting axle (512); One end of described main blocking lever (72) is provided with the waist-shaped hole for being connected with a flange (711) in interlock plate (71), and the other end is provided with the circular hole for being connected with this main connecting axle (512); Described secondary indication piece (53) is provided with between sign (531) and its center of rotation at it and is provided with a secondary connecting axle (532); One end of described duplicate invoice locking bar (73) is provided with the waist-shaped hole for being connected with a flange (711) in interlock plate (71), and the other end is provided with the circular hole for being connected with this secondary connecting axle (532).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210050095.9A CN102543518B (en) | 2012-02-29 | 2012-02-29 | Interlocking device for dual power supply changeover switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210050095.9A CN102543518B (en) | 2012-02-29 | 2012-02-29 | Interlocking device for dual power supply changeover switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102543518A CN102543518A (en) | 2012-07-04 |
| CN102543518B true CN102543518B (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210050095.9A Expired - Fee Related CN102543518B (en) | 2012-02-29 | 2012-02-29 | Interlocking device for dual power supply changeover switch |
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| CN (1) | CN102543518B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103839709B (en) * | 2014-02-19 | 2016-02-24 | 库柏爱迪生(平顶山)电子科技有限公司 | A kind of power distribution network ring main unit twin-power switch mechanical interlocking system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7402766B1 (en) * | 2007-04-10 | 2008-07-22 | Jonas Jeffrey J | Panel transfer switch |
| CN201167039Y (en) * | 2008-03-24 | 2008-12-17 | 施耐德电器工业公司 | Automatic transfer switch apparatus and mechanical interlock transmission device thereof |
| CN201266557Y (en) * | 2008-09-28 | 2009-07-01 | 施耐德电器工业公司 | Automatic change-over equipment |
| CN201667299U (en) * | 2009-12-12 | 2010-12-08 | 天水长城开关厂有限公司 | Mechanical interlocking mechanism of breaker and three-position disconnecting switch |
| CN202443884U (en) * | 2012-02-29 | 2012-09-19 | 环宇集团有限公司 | Interlocking device used for dual-power transfer switch |
-
2012
- 2012-02-29 CN CN201210050095.9A patent/CN102543518B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7402766B1 (en) * | 2007-04-10 | 2008-07-22 | Jonas Jeffrey J | Panel transfer switch |
| CN201167039Y (en) * | 2008-03-24 | 2008-12-17 | 施耐德电器工业公司 | Automatic transfer switch apparatus and mechanical interlock transmission device thereof |
| CN201266557Y (en) * | 2008-09-28 | 2009-07-01 | 施耐德电器工业公司 | Automatic change-over equipment |
| CN201667299U (en) * | 2009-12-12 | 2010-12-08 | 天水长城开关厂有限公司 | Mechanical interlocking mechanism of breaker and three-position disconnecting switch |
| CN202443884U (en) * | 2012-02-29 | 2012-09-19 | 环宇集团有限公司 | Interlocking device used for dual-power transfer switch |
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| Publication number | Publication date |
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| CN102543518A (en) | 2012-07-04 |
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Effective date of registration: 20170720 Address after: 511483, No. 1740, West Ring Road, Shawan Town, Guangzhou, Guangdong, Panyu District (No. 3 workshop) Patentee after: Huanyu Group (Guangzhou) Electric Co., Ltd. Address before: 325600 North white elephant Bridge Industrial Zone, Yueqing, Zhejiang Patentee before: Huyu Group Co., Ltd. |
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Addressee: Hu Yan Document name: Notification of Passing Examination on Formalities |
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Granted publication date: 20150408 Termination date: 20210228 |
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