CN103295828A - Side-mounted type indoor high-voltage isolating switch - Google Patents
Side-mounted type indoor high-voltage isolating switch Download PDFInfo
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- CN103295828A CN103295828A CN2013102528741A CN201310252874A CN103295828A CN 103295828 A CN103295828 A CN 103295828A CN 2013102528741 A CN2013102528741 A CN 2013102528741A CN 201310252874 A CN201310252874 A CN 201310252874A CN 103295828 A CN103295828 A CN 103295828A
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- touch knife
- isolating switch
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Abstract
The invention discloses a side-mounted type indoor high-voltage isolating switch. The side-mounted type indoor high-voltage isolating switch comprises an installing chassis, a supporting insulator, an upper stationary contact, a lower stationary contact, a movable contact knife, a movable contact knife rotary shaft, a grounding contact and an operating mechanism, wherein the operating mechanism is arranged on one side of the installing chassis, a T-shaped rod is arranged in the tubular shaft end of the movable contact knife rotary shaft, the tubular shaft end of the movable contact knife rotary shaft is connected with a limiting block fixed on a positioning frame through the T-shaped rod, and the positioning frame is fixed on a side wall of a high-voltage switch cabinet. A safety poking plate is movably arranged on the inner side of the side wall of the high-voltage switch cabinet. The side-mounted type indoor high-voltage isolating switch is compact in structure, low in manufacture cost and simple and convenient to operate and has few parts. Integration of isolating and grounding switches is achieved, and a safety distance in a vacuum looped network cabinet is increased. The operating mechanism has a reliable electrical linkage function, and when the movable contact knife rotates and is locked at different positions, a switching-on or switching-off or grounding function can be achieved, and the reliability and the safety of an electrical device in operation are greatly improved.
Description
Technical field
The present invention relates to a kind of high voltage isolator, relate in particular to the indoor high-voltage isolating switch that a kind of operating mechanism is contained in the high voltage control cabinet outside, belong to high voltage electrical apparatus technical field.
Background technology
Vacuum looped network equipment inner high voltage isolating switch adopts and divides body structure at present, and isolating switch and earthed switch arrange respectively, has caused narrow space in the looped network equipment, makes troubles when giving looped network plant maintenance or maintenance.In order to satisfy the development of modern vacuum ring main unit, need a kind of both had combined floodgate, separating brake function, the indoor high-voltage isolating switch that has grounding function again is supporting with it.The application for a patent for invention prospectus of CN102426965 discloses a kind of high-voltage alternating current isolating switch and earthed switch combination, this switch combination is provided with isolating switch operating mechanism and earthed switch operating mechanism respectively, wherein isolating switch moves by the axle sleeve that ball screw rotation drive screws with it with operating mechanism, the promotion moving contact moves vertically and realizes separating brake or combined floodgate actuating, and other has special earthed switch to realize the ground connection actuating of high-voltage alternating current isolating switch with operating mechanism.This switch combination is provided with separating brake or combined floodgate or the ground connection that two cover operating mechanisms are realized high voltage isolator respectively, and complex structure has increased the fault odds; Adopt expensive ball screw axle sleeve transmission device to realize the movement of moving contact, increased manufacturing cost.
Summary of the invention
The purpose of this invention is to provide a kind of compact conformation, cost is low, non-maintaining and has the side-mounted indoor high-voltage isolating switch of reliable grounding function, improve high-tension switch cabinet reliability of operation and fail safe.
The present invention is achieved by the following technical programs:
A kind of side-mounted indoor high-voltage isolating switch, comprise underframe, the supporting insulator that arranges in groups, upper static contact, fixed contact, movable touch knife and movable touch knife rotating shaft down are installed, become one group supporting insulator to become side by side three rows up and down, be separately positioned on upper static contact and install between the underframe or down between fixed contact and the installation underframe; Also comprise respectively and three grounding contact and operating mechanisms that movable touch knife is corresponding, three movable touch knife lower ends that are arranged side by side are fixed in the movable touch knife rotating shaft, between the movable touch knife lower end, separate by insulator respectively between the support axle journal of movable touch knife and movable touch knife rotating shaft, the support axle journal at movable touch knife rotating shaft two ends is respectively with that the underframe both sides are installed is hinged; Operating mechanism is arranged on installs underframe one side, comprise electric control lock, control housing, locating rack, safety group plate, guide vane end stop and actuating handle, the support axle journal of movable touch knife rotating shaft one end extends tubular axle head, described tubular axle head passes vertically disposed installation underframe and locating rack, and the operating grip punch position of controlling on the housing is corresponding with being arranged on; T shape bar is arranged in the tubular axle head, and tubular axle head is connected with the guide vane end stop that is fixed on the locating rack inboard by T shape bar, and locating rack is fixed on to be installed on the underframe sidewall; The control housing has covered locating rack and guide vane end stop, and safety group plate is arranged on the control housing inboard movably, and electric control lock is fixed on control housing upper end, and the transverse end of safety group plate passes the elongated slot of control housing sidewall; During side-mounted indoor high-voltage isolating switch inoperation, safety is dialled plate in latched position, and the locking bolt whereabouts locked secure of electric control lock is dialled plate, and safety is dialled plate one end and blocked the operating grip perforation.
Purpose of the present invention can also further realize by following technical measures.
Aforesaid side-mounted indoor high-voltage isolating switch, wherein the movable touch knife lower end is extended the mutually perpendicular first disjunctor contact and the second disjunctor contact respectively, when movable touch knife turns to plumbness, upper static contact is connected with following fixed contact by movable touch knife, the first disjunctor contact, and indoor high-voltage isolating switch is in "on" position; When movable touch knife turned to level, following fixed contact was connected with grounding contact by the second disjunctor contact, movable touch knife, and high-tension switch cabinet is in the ground state that can overhaul; Movable touch knife turns to when underframe being installed becoming α=56 °～60 ° of acute angles, and the first disjunctor contact or the second disjunctor contact all do not contact with following fixed contact, and indoor high-voltage isolating switch is in gate-dividing state.
Aforesaid side-mounted indoor high-voltage isolating switch, wherein said upper static contact and grounding contact all are sheet shape, and following fixed contact takes the shape of the letter U, and the first disjunctor contact and the second disjunctor contact are all cylindrical, and the movable touch knife upper end is fork-shaped; When indoor high-voltage isolating switch closed a floodgate, the sheet shape of upper static contact end was stuck in the forked end of movable touch knife; The first disjunctor contact is stuck in down in the U-shaped end of fixed contact; When indoor high-voltage isolating switch was in ground state, the sheet shape of grounding contact end was stuck in the forked end of movable touch knife, and the second disjunctor contact is stuck in down in the U-shaped end of fixed contact.
Aforesaid side-mounted indoor high-voltage isolating switch, wherein the tubular axle head of movable touch knife rotating shaft is provided with axial elongated slot, and the cross bar of T shape bar passes axial elongated slot, and the tubular axle head of movable touch knife rotating shaft puts in the guide vane end stop; When indoor high-voltage isolating switch was in the position of combined floodgate or separating brake or ground connection, the cross bar of T shape bar was stuck in the guide vane end stop axial groove of correspondence position, movable touch knife is locked on the position of combined floodgate or separating brake or ground connection.
Aforesaid side-mounted indoor high-voltage isolating switch, wherein said safety is dialled an end area of plate and is bored a hole greater than operating grip, the other end that safety is dialled plate has a pair of parallel guiding elongated slot up and down, the other end middle part that safety is dialled plate vertically extends bolt plate, and safety is dialled plate and is bearing in corresponding and be fixed on a pair of guide finger of control housing sidewall inboard with it by a pair of parallel guiding elongated slot up and down; During side-mounted indoor high-voltage isolating switch inoperation, the locking bolt whereabouts locked secure of electric control lock is dialled the bolt plate of plate.
Compact conformation of the present invention, parts are few, low cost of manufacture, simple to operation.Realized the integrated of isolation, earthed switch, the safe distance in the vacuum ring main unit is increased; Operating mechanism has reliable electrical interlocks function, and movable touch knife rotates and when being locked in different positions, can realize the difference in functionality of combined floodgate or separating brake or ground connection, has improved reliability, the fail safe of electric equipment operation greatly.The present invention can ring main unit voltage is arranged and close a floodgate under the non-loaded situation, the operation of separating brake and conversion line, have reliable grounding function simultaneously, have the ability that short circuit current is closed in certain pass, be not damaged with safety and other equipment that guarantees the maintainer.
Advantage of the present invention and characteristics will illustrate by the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is structure chart of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the I portion enlarged drawing of Fig. 1;
Fig. 4 is the II portion enlarged drawing of Fig. 1
Fig. 5 is the structure chart of "on" position of the present invention;
Fig. 6 is the structure chart of gate-dividing state of the present invention;
Fig. 7 is the structure chart of ground state of the present invention;
Fig. 8 is the structure chart of T shape bar;
Fig. 9 is the front view that safety is dialled plate;
Figure 10 is the vertical view of Fig. 9.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
As depicted in figs. 1 and 2, the present invention includes underframe 1, the supporting insulator 2 that arranges in groups, upper static contact 3, fixed contact 4, movable touch knife 5 and movable touch knife rotating shaft 6 down are installed, become one group supporting insulator 2 to become three rows side by side up and down, be separately positioned between upper static contact 3, following fixed contact 4 and the installation underframe 1; Also comprise respectively grounding contact 7 and the operating mechanism 8 corresponding with three movable touch knifes 5, three movable touch knife 5 lower ends that are arranged side by side are fixed in the movable touch knife rotating shaft 6, between movable touch knife 5 lower ends, separate by insulator 62 respectively between the support axle journal 61 of movable touch knife 5 and movable touch knife rotating shaft 6, the support axle journal 61 at movable touch knife rotating shaft 6 two ends is respectively with that underframe 1 both sides are installed is hinged.
As Fig. 5～shown in Figure 7, movable touch knife 5 lower ends are extended the mutually perpendicular first disjunctor contact 51 and the second disjunctor contact 52 respectively, upper static contact 3 and grounding contact 7 all are sheet shape, following fixed contact 4 takes the shape of the letter U, the first disjunctor contact 51 and the second disjunctor contact 52 are all cylindrical, and movable touch knife 5 upper ends are fork-shaped; When indoor high-voltage isolating switch closed a floodgate, the sheet shape of upper static contact 3 end was stuck in the forked end of movable touch knife 5; The first disjunctor contact 51 is stuck in down in the U-shaped end of fixed contact 4.When indoor high-voltage isolating switch was in ground state, the sheet shape of grounding contact 7 end was stuck in the forked end of movable touch knife 5, and the second disjunctor contact 52 is stuck in down in the U-shaped end of fixed contact 4.Movable touch knife 5 turns to when underframe being installed acutangulating α=58 °, and the first disjunctor contact 51 or the second disjunctor contact 52 all do not contact with following fixed contact 4, and indoor high-voltage isolating switch is in gate-dividing state.
As Fig. 1～shown in Figure 4, operating mechanism 8 is arranged on installs underframe 1 one sides, comprise electric control lock 81, control housing 82, locating rack 83, safety group plate 84, guide vane end stop 85 and actuating handle 86, the angle position of 5 three states of corresponding movable touch knife is provided with " combined floodgate ", " separating brake " and " ground connection " three labels respectively on the control housing 82.The support axle journal 61 of movable touch knife rotating shaft 6 one ends extends tubular axle head 611, and described tubular axle head 611 passes vertically disposed installation underframe 1 and locating rack 83, and is corresponding with actuating handle 821 positions of boring a hole on being arranged on control housing 82 sidewalls.T shape bar 87 is arranged in the tubular axle head 611, and tubular axle head 611 is provided with axial elongated slot 612, and as shown in Figure 8, the cross bar 871 of T shape bar 87 is fixed on the middle part of vertical pole 872.
As shown in Figure 4, the cross bar 871 of T shape bar 87 passes axial elongated slot 612, the tubular axle head 611 of movable touch knife rotating shaft 6 puts in the guide vane end stop 85, guide vane end stop 85 is provided with three corresponding with combined floodgate, separating brake and three positions of ground connection of movable touch knife 5 respectively guide vane end stop axial grooves 851, when indoor high-voltage isolating switch is in the position of combined floodgate or separating brake or ground connection, the cross bar 871 of T shape bar 87 is stuck in the guide vane end stop axial groove 851 of correspondence position, movable touch knife 5 is locked on the position of combined floodgate or separating brake or ground connection.Locating rack 83 is fixed on underframe 1 sidewall, and control housing 82 has covered locating rack 83 and guide vane end stop 85.Safety is dialled plate 84 and is arranged on movably on control housing 82 inboards, and electric control lock 81 is fixed on control housing 82 upper ends, and the transverse end of dialling plate 84 safely passes the elongated slot 821 of control housing sidewall.During side-mounted not actuating of indoor high-voltage isolating switch, electric control lock locking bolt 811 whereabouts locked secures are dialled plate 84, and safety was dialled plate 84 1 ends and blocked actuating handle perforation 822 this moment.
Shown in Fig. 9 and Figure 10, the safety of present embodiment is dialled plate 84 and is key shaped, the one end is rounded, circular area is greater than control housing 82 sidewall actuating handles perforation 822, the other end that safety is dialled plate 84 has a pair of parallel guiding elongated slot 841 up and down, the other end middle part that safety is dialled plate 84 vertically extends bolt plate 842, safety is dialled plate 84 and is bearing in correspondingly and be fixed on a pair of guide finger 843 of control housing 82 sidewalls with it by a pair of parallel guiding elongated slot 841 up and down, and safety is dialled plate 84 and moved horizontally under the guiding of a pair of guide finger 843.During side-mounted not actuating of indoor high-voltage isolating switch, the locking bolt 811 whereabouts locked secures of electric control lock 81 are dialled the bolt plate 842 of plate 84.
The process that employing the present invention carries out the separating brake actuating is as follows: electric control lock 81 is accepted unlock command, and locking bolt 811 rises and throws off the bolt plate 842 that safety is dialled plates 84, dials plate 84 releases safely; Then safety group plate 84 is moved left to unlocked position along the elongated slot 821 of control housing 82, the actuating handle perforation 822 of control housing 82 is exposed; Then the head of actuating handle 86 is passed to compress into after the actuating handle perforation 822 and support axle journal 61, the spring power that promotion T shape bar 87 overcomes its rear end moves to left, the cross bar 871 of T shape bar 87 is thrown off the guide vane end stop axial groove 851 of closing position, can rotate counterclockwise actuating handle 86 this moment, actuating handle 86 heads drive movable touch knife rotating shaft 6 and rotate counterclockwise, and the forked end of movable touch knife 5 breaks away from the sheet shape end of upper static contact 3; When movable touch knife 5 turns to when underframe 1 being installed acutangulating α=58 °, unclamp actuating handle 86, under the effect of spring power, the cross bar 871 of T shape bar 87 moves to right along axial elongated slot 612, cross bar 871 falls in the guide vane end stop axial groove 851 of corresponding separating brake position, and movable touch knife 5 is locked on the separating brake position.After extracting actuating handle 86 safety group plate 84 is shifted to the right to latched position, electric control lock 81 is accepted lock instruction, locked secure is dialled plate 84 in the bolt plate 842 of locking bolt 811 decline insertion safety group plates 84, and can't use actuating handle 86 this moment, guarantees use safety of the present invention.
Except the rotational angle or rotation direction difference of actuating handle 86, adopt the close a floodgate process of actuating or ground connection actuating of the present invention identical with said process.
In addition to the implementation, the present invention can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of requirement of the present invention.
Claims (6)
1. side-mounted indoor high-voltage isolating switch, comprise underframe, the supporting insulator that arranges in groups, upper static contact, fixed contact, movable touch knife and movable touch knife rotating shaft down are installed, become one group supporting insulator to become three rows side by side up and down, be separately positioned between upper static contact or following fixed contact and the installation underframe; It is characterized in that, also comprise respectively and three grounding contact and operating mechanisms that movable touch knife is corresponding, three movable touch knife lower ends that are arranged side by side are fixed in the movable touch knife rotating shaft, between the movable touch knife lower end, separate by insulator respectively between the support axle journal of movable touch knife and movable touch knife rotating shaft, the support axle journal at movable touch knife rotating shaft two ends is respectively with that the underframe both sides are installed is hinged; Operating mechanism is arranged on installs underframe one side, comprise electric control lock, control housing, locating rack, safety group plate, guide vane end stop and actuating handle, the support axle journal of movable touch knife rotating shaft one end extends tubular axle head, described tubular axle head passes vertically disposed installation underframe and locating rack, and the operating grip punch position of controlling on the housing is corresponding with being arranged on; T shape bar is arranged in the tubular axle head, and tubular axle head is connected with the guide vane end stop that is fixed on the locating rack inboard by T shape bar, and locating rack is fixed on to be installed on the underframe sidewall; The control housing has covered locating rack and guide vane end stop, and safety group plate is arranged on the control housing inboard movably, and electric control lock is fixed on control housing upper end, and the transverse end of safety group plate passes the elongated slot of control housing sidewall; During side-mounted indoor high-voltage isolating switch inoperation, the locking bolt whereabouts locked secure of electric control lock is dialled plate, and this moment, safety was dialled plate in latched position, and safety is dialled plate one end and blocked the operating grip perforation.
2. side-mounted indoor high-voltage isolating switch as claimed in claim 1, it is characterized in that, the movable touch knife lower end is extended the mutually perpendicular first disjunctor contact and the second disjunctor contact respectively, when movable touch knife turns to plumbness, upper static contact is connected with following fixed contact by movable touch knife, the first disjunctor contact, and indoor high-voltage isolating switch is in "on" position; When movable touch knife turned to level, following fixed contact was connected with grounding contact by the second disjunctor contact, movable touch knife, and high-tension switch cabinet is in the ground state that can overhaul; Movable touch knife turns to when underframe being installed acutangulating α, and the first disjunctor contact or the second disjunctor contact all do not contact with following fixed contact, and indoor high-voltage isolating switch is in gate-dividing state.
3. side-mounted indoor high-voltage isolating switch as claimed in claim 1 or 2 is characterized in that, described upper static contact and grounding contact all are sheet shape, and following fixed contact takes the shape of the letter U, and the first disjunctor contact and the second disjunctor contact are all cylindrical, and the movable touch knife upper end is fork-shaped; When indoor high-voltage isolating switch closed a floodgate, the sheet shape of upper static contact end was stuck in the forked end of movable touch knife; The first disjunctor contact is stuck in down in the U-shaped end of fixed contact; When indoor high-voltage isolating switch was in ground state, the sheet shape of grounding contact end was stuck in the forked end of movable touch knife, and the second disjunctor contact is stuck in down in the U-shaped end of fixed contact.
4. side-mounted indoor high-voltage isolating switch as claimed in claim 1 is characterized in that, the tubular axle head of movable touch knife rotating shaft is provided with axial elongated slot, and the cross bar of T shape bar passes axial elongated slot, and the tubular axle head of movable touch knife rotating shaft puts in the guide vane end stop; When indoor high-voltage isolating switch was in the position of combined floodgate or separating brake or ground connection, the cross bar of T shape bar was stuck in the guide vane end stop axial groove of correspondence position, movable touch knife is locked on the position of combined floodgate or separating brake or ground connection.
5. side-mounted indoor high-voltage isolating switch as claimed in claim 1 is characterized in that, described sharp angle is 56 °～60 °.
6. side-mounted indoor high-voltage isolating switch as claimed in claim 1, it is characterized in that, described safety is dialled an end area of plate and is bored a hole greater than operating grip, the other end that safety is dialled plate has a pair of parallel guiding elongated slot up and down, the other end middle part that safety is dialled plate vertically extends bolt plate, a pair of up and down parallel guiding elongated slot is bearing in corresponding and be fixed on a pair of guide finger of control housing sidewall inboard with it, and it is mobile under the guiding of a pair of guide finger that safety is dialled plate; During side-mounted indoor high-voltage isolating switch inoperation, the locking bolt whereabouts locked secure of electric control lock is dialled the bolt plate of plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310252874.1A CN103295828B (en) | 2013-06-25 | 2013-06-25 | Side-mounted type indoor high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310252874.1A CN103295828B (en) | 2013-06-25 | 2013-06-25 | Side-mounted type indoor high-voltage isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103295828A true CN103295828A (en) | 2013-09-11 |
| CN103295828B CN103295828B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310252874.1A Active CN103295828B (en) | 2013-06-25 | 2013-06-25 | Side-mounted type indoor high-voltage isolating switch |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715006A (en) * | 2014-01-02 | 2014-04-09 | 浙江博益电气有限公司 | All-insulation side-mounting type high-voltage isolation switch |
| CN107785206A (en) * | 2017-11-10 | 2018-03-09 | 河南森源电气股份有限公司 | A kind of earthed switch and its contact assembly and contact |
| CN110600314A (en) * | 2019-10-23 | 2019-12-20 | 江苏省如高高压电器有限公司 | Isolating switch with decoupling function |
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| JPS63224124A (en) * | 1987-03-12 | 1988-09-19 | 富士電機株式会社 | Rotary type breaker integrated ground apparatus |
| US20100213045A1 (en) * | 2007-11-06 | 2010-08-26 | Mitsubishi Electric Corporation | Switch |
| CN201584653U (en) * | 2009-11-20 | 2010-09-15 | 大全集团有限公司 | Switch cabinet electrified locking device |
| CN102751128A (en) * | 2012-07-02 | 2012-10-24 | 镇江市丹高电器有限公司 | Indoor high-voltage isolating switch interlocking device |
| CN203434064U (en) * | 2013-06-25 | 2014-02-12 | 镇江市丹高电器有限公司 | Side-mounted indoor high-voltage isolating switch |
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2013
- 2013-06-25 CN CN201310252874.1A patent/CN103295828B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63224124A (en) * | 1987-03-12 | 1988-09-19 | 富士電機株式会社 | Rotary type breaker integrated ground apparatus |
| US20100213045A1 (en) * | 2007-11-06 | 2010-08-26 | Mitsubishi Electric Corporation | Switch |
| CN201584653U (en) * | 2009-11-20 | 2010-09-15 | 大全集团有限公司 | Switch cabinet electrified locking device |
| CN102751128A (en) * | 2012-07-02 | 2012-10-24 | 镇江市丹高电器有限公司 | Indoor high-voltage isolating switch interlocking device |
| CN203434064U (en) * | 2013-06-25 | 2014-02-12 | 镇江市丹高电器有限公司 | Side-mounted indoor high-voltage isolating switch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715006A (en) * | 2014-01-02 | 2014-04-09 | 浙江博益电气有限公司 | All-insulation side-mounting type high-voltage isolation switch |
| CN107785206A (en) * | 2017-11-10 | 2018-03-09 | 河南森源电气股份有限公司 | A kind of earthed switch and its contact assembly and contact |
| CN110600314A (en) * | 2019-10-23 | 2019-12-20 | 江苏省如高高压电器有限公司 | Isolating switch with decoupling function |
Also Published As
| Publication number | Publication date |
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| CN103295828B (en) | 2015-07-08 |
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Effective date of registration: 20191217 Address after: 212000 No. 728 South Harbor Road, Zhenjiang New District, Jiangsu Patentee after: Zhenjiang Huali switchgear Co., Ltd Address before: 212143 Ding Ge Village, New District, Jiangsu, Zhenjiang Patentee before: Zhenjiang Dangao Electric Co., Ltd. |
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