CN2386526Y - Post isolation vacuum load switch - Google Patents
Post isolation vacuum load switch Download PDFInfo
- Publication number
- CN2386526Y CN2386526Y CN 99242422 CN99242422U CN2386526Y CN 2386526 Y CN2386526 Y CN 2386526Y CN 99242422 CN99242422 CN 99242422 CN 99242422 U CN99242422 U CN 99242422U CN 2386526 Y CN2386526 Y CN 2386526Y
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- switch
- load switch
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- vacuum
- vacuum load
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Abstract
The utility model relates to a post isolation vacuum load switch, which belongs to the technical field of an electric switch. The utility model is mainly composed of a switch base 15, an isolating transmission supporting post 7, a combined mechanism of a vacuum switch and an isolation switch, a static contact 25 corresponding to a movable contact, a high voltage signal transducer, a load switch operating mechanism, an operation mechanism for the isolating switch, etc., wherein, the combined mechanism is composed of a vacuum arc extinguish chamber 22, the movable contact 24, etc. The utility model integrally and organically combines the vacuum load switch and the isolating switch; the utility model has the advantages of reasonable design, compact structure, high safety, convenient and simple operation, and wide range of application; the utility model can break the normal load current and the short circuit current of failure, so that the maintenance requirement can be satisfied.
Description
The utility model relates to isolated vacuum load switch on a kind of post, belongs to the electric switch technical field.
The existing post load switch structures of calm the anger principle, aerogenesis principle or oily medium that adopt are come drop-out current more, the ability of the drop-out current of this type load switch is little, life-span is short, also have and adopt vacuum interrupter to cut-off on-load switch with making current, but normally vacuum load switch and isolating switch, signal transducer are installed separately respectively, because it is big to take up an area of the space, can not satisfy distribution network automated requirement.
The purpose of this utility model provides a kind of reasonable in design, and it is little, easy for installation to have a volume, but the normal load current of vacuum load switch disjunction and close short circuit current when closing fault; Make fracture have obvious cut-off point after isolating switch draws back again, and isolated vacuum load switch on the post of voltage and current measurement signal can be provided.
The utility model is an isolated vacuum load switch on the post, the switch pedestal that comprises belt supporting frame, place the insulation transmission pillar on the switch pedestal, place the vacuum switch and the isolating switch combined mechanism on insulation transmission pillar top, place the static contact finger on the support, place on-load switch operation and isolator operating mechanism on the switch pedestal, the contact that is provided with insulated tension pole and band spring conductor rod in the described insulation transmission pillar keeps spring base; In comprising, described vacuum switch and isolating switch combined mechanism be provided with the insulating cylinder of vacuum interrupter, place the last seven word connecting levers and the movable contact at insulating cylinder two ends to refer to respectively, the other end of last seven word connecting levers is connected with spring conductor rod top, and movable contact refers to corresponding with static contact finger; Between described on-load switch operating mechanism and the insulated tension pole by placing the waling stripe in the switch pedestal to be connected transmission; Be connected transmission by horizontal drive link between the bottom of described isolator operating mechanism and insulation transmission pillar.During work, the operational load switching mechanism moves upward insulated tension pole by the waling stripe effect, spring conductor rod also with on move, make the indoor dynamic and static contact of vacuum extinction separately by last seven word connecting levers, thereby cut off the electricity supply; And then disconnecting switch operation operating mechanism, act on insulation transmission pillar by horizontal kinematic link, make the rotation of insulation transmission pillar, vacuum switch and isolating switch combined mechanism be rotation thereupon also, make that the vacuum switch and the movable contact of isolating switch combined mechanism one end refer to, static contact finger separates, on power circuit, form tangible cut-off point, be convenient to the maintenance of faulty line.
Also can be provided with the high-voltage signal transducer between described static contact finger and the support; Described high-voltage signal transducer can be made of electromagnetic type current sensor that fuses and capacitor type voltage sensor.
Also can be provided with the conduction pawl in the described insulating cylinder, these conduction pawl two ends link to each other with vacuum interrupter with last seven word connecting levers respectively; Also can be provided with the silicon rubber filling layer between described insulating cylinder and the vacuum interrupter.
Described insulation transmission is propped up in the connecting hole of column bottom and insulated tension pole also can be provided with 1～3 sealing ring; Also can be provided with sealing ring in the connecting hole of described insulation transmission pillar top and contact maintenance spring base.
Two thrust bearings that described contact keeps also being provided with spring in the spring base and places both ends of the spring.
Described isolator operating mechanism can be by the closing operation lever, the sub-switching operation lever, place the separating brake location hook and the operation ring of closing operation lever end, place the combined floodgate location hook and the operation ring of sub-switching operation lever end, place on the switch pedestal respectively separating brake stop and combined floodgate stop with separating brake location hook and combined floodgate location hook correspondence position, the connecting plate that places the closing operation lever and the tie point of sub-switching operation lever to link to each other with horizontal drive link.
The utility model compared with prior art has following outstanding advantage and good effect:
1, reasonable in design: the utility model organically makes up vacuum load switch and isolating switch as a whole, compact conformation, take up room with separately installing to compare to have significantly reduced respectively, make it to be installed on the electric pole of overhead transmission line easy and conveniently, and fill with electrically insulating silicone rubber between vacuum interrupter and external insulation tube, guaranteed the dielectric strength of vacuum extinction chamber outer wall, and prevent outside destroy, insulation transmission pillar adopts the sealing ring Seal Design, has better seal and stain resistance.Simultaneously, electromagnetism, the box-like high-voltage signal transducer of capacitive junctions are set on static contact finger, the secondary measurements of voltage, electric current can be provided simultaneously, and can provide working power to secondary device.Also dwindled installation dimension, can make global design of the present utility model more become reasonable.
2, safe and reliable: owing to adopted vacuum interrupter as blowout unit, make product have long mechanical endurance and appliance life, the short circuit current when but fault is closed in normal load current of disjunction and pass, and isolating switch makes fracture have obvious cut-off point after drawing back, and can satisfy " electrical safe working order " requirement to line maintenance.
3, simple, convenient: on-load switch adopts electronic branch, the switch-on operating mechanism of low driving power, can realize remote operation; Isolator operating mechanism is a manual manipulation mode, can close a floodgate with insulation hook stick pull operation lever on ground, the operation of separating brake; Simultaneously, the setting in correspondence with each other of location hook on the isolator operating mechanism and stop makes it have functions such as automatic location, auto lock, automatic unlocking, has prevented that operating mechanism from dividing voluntarily, closing a floodgate because of the vibrations of self gravitation or external force.
4, suitable prospect is extensive: the utility model is applicable to city and rural area 10kV overhead distribution net, be specially adapted on the outdoor aerial circuit, as the segmentation of circuit, contact, connect, sharing of load and control, Fault Isolation etc., be used with distant place transmitting device, can realize the automation control of distant place remote measurement, distant news, remote control and power distribution network.
Accompanying drawing has provided structural representation of the present utility model:
Fig. 1 is overall structure of the present utility model and partial sectional view;
Fig. 2 is left TV structure and a partial sectional view shown in Figure 1.
Below in conjunction with embodiment the utility model is further described:
The utility model mainly comprises the switch pedestal 15 of belt supporting frame 17, place the insulation transmission pillar 7 on the switch pedestal, place the vacuum switch and the isolating switch combined mechanism on insulation transmission pillar top, place the static contact finger 25 on the support 17, place on-load switch operating mechanism 29 on the switch pedestal and isolator operating mechanism etc.
The contact that is provided with insulated tension pole 8 and band spring conductor rod 2 in the insulation transmission pillar 7 keeps spring base 4, the thrust bearing 6 that contact keeps being provided with spring 3 in the spring base and places both ends of the spring, and spring conductor rod 2 stretches in the spring, and spring base is stretched out on its top; Be provided with 2 sealing rings 9 in the connecting hole of insulation transmission pillar 7 bottoms and insulated tension pole 8, also be provided with sealing ring 5 in the connecting hole of insulation transmission pillar 7 tops and contact maintenance spring base 4; Be provided with waling stripe 16 between on-load switch operating mechanism and the insulated tension pole 8 and be connected transmission.
Vacuum switch and isolating switch combined mechanism are by the interior insulating cylinder 21 that is provided with vacuum interrupter 22 and conduction pawl 20, place the seven word connecting levers 18 and the moving contact 24 at insulating cylinder 21 two ends respectively, connect travel(l)ing rest 19 formations such as grade of insulating cylinder 21 and insulation transmission pillar 7, be provided with silicon rubber filling layer 23 between insulating cylinder 21 and the vacuum interrupter 22; The top of travel(l)ing rest is provided with the movable terminals 1 of external circuit.
Be provided with the high-voltage signal transducer that is made of electromagnetic type current sensor 26 that fuses and capacitor type voltage sensor 28 between fixed contact 25 on the support 17 and the support, the electromagnetic type current sensor 26 on top is provided with the fixed terminals 27 of external circuit.
Isolator operating mechanism is mainly by sub-switching operation lever 33, closing operation lever 12, place the combined floodgate location hook 32 and the operation ring 13 of sub-switching operation lever 33 ends, place the separating brake location hook 14 and the operation ring 13 of closing operation lever 12 ends, place on the switch pedestal respectively separating brake stop 30 and combined floodgate stop 31 with separating brake location hook and combined floodgate location hook correspondence position, place the formations such as connecting plate 11 of the horizontal drive link 10 of tie point band of branch, closing operation lever, horizontal drive link 10 links to each other with insulation transmission pillar 7 bottoms.
Galvanic circle of the present utility model by movable terminals 1, travel(l)ing rest 19, conduction pawl 20, vacuum interrupter 22, movable contact refer to 24, static contact finger 25, current sensor 26, fixed terminals 27 form, be furnished with suitable spring on movable terminals and the conduction pawl, guarantee that its contact is reliable.
During the on-load switch separating brake, pulling on-load switch operating mechanism 29 is by waling stripe 16 transmissions, insulated tension pole 8 is moved upward, by the effect of spring conductor rod 2 and last seven word connecting levers 18, make the indoor dynamic and static contact of vacuum extinction disconnect separating brake, cut off the galvanic circle.Spur the operation ring 13 on the closing operation lever 33 in the isolator operating mechanism then downwards, make combined floodgate location hook 32 break away from the combined floodgate stop, the horizontal drive link 10 of connecting plate 11 drives this moment acts on 7 rotations of insulation transmission pillar, vacuum switch and isolating switch combining structure be rotation thereupon also, make the movable contact of insulating cylinder 21 1 ends refer to that 24 separate with static contact finger 25, realize the obvious disconnection segmentation of galvanic circle, be convenient to trouble hunting, when insulating cylinder 21 rotates about 45 ° with insulation transmission pillar 7, the separating brake location hook 14 lucky fastening separating brake stops 30 of closing operation lever 12 ends, realize location and locking automatically, Awaiting Overhaul finishes when needing to close a floodgate energising, only need to spur earlier the operation ring 13 on the closing operation lever 12, make separating brake location hook 14 and 30 releases of separating brake stop, drive insulation transmission pillar and circle round about 45 °, make moving contact 24 and fixed contact 25 close up (state as shown in drawings), spur on-load switch operating mechanism 29 then, by waling stripe 16 insulated tension pole 8 is moved downward, pass through the effect of spring conductor rod 2 and seven word connecting levers 18 again, make the indoor contact contact of vacuum extinction, realize the energising of closing a floodgate.
Claims (9)
1, isolated vacuum load switch on a kind of post, it is characterized in that comprising the switch pedestal (15) of belt supporting frame (17), place the insulation transmission pillar (7) on the switch pedestal, place the vacuum switch and the isolating switch combined mechanism on insulation transmission pillar top, place the static contact finger (25) on the support, place on-load switch operating mechanism (29) and isolator operating mechanism on the switch pedestal, the contact that is provided with insulated tension pole (8) and band spring conductor rod (2) in the described insulation transmission pillar (7) keeps spring base (4); In comprising, described vacuum switch and isolating switch combined mechanism be provided with the insulating cylinder (21) of vacuum interrupter (22), place the last seven word connecting levers (18) and the movable contact at insulating cylinder (21) two ends to refer to (24) respectively, the other end of last seven word connecting levers is connected with spring conductor rod (2) top, and movable contact refers to that (24) are corresponding with static contact finger (25); Between described on-load switch operating mechanism (29) and the insulated tension pole (8) by placing the waling stripe (16) in the switch pedestal (15) to be connected transmission; Described isolator operating mechanism with the insulation transmission pillar (7) bottom between be connected transmission by horizontal drive link (10).
2, by isolated vacuum load switch on the described post of claim 1, it is characterized in that also can being provided with the high-voltage signal transducer between described static contact finger (25) and the support (17).
3,, it is characterized in that described high-voltage signal transducer can be made of electromagnetic type current sensor (26) that fuses and capacitor type voltage sensor (28) by isolated vacuum load switch on claim 1 or the 2 described posts.
4, by isolated vacuum load switch on the described post of claim 1, it is characterized in that also being provided with in the described insulating cylinder (21) conduction pawl (20), these conduction pawl two ends link to each other with vacuum interrupter (22) with last seven word connecting levers (18) respectively.
5, by isolated vacuum load switch on claim 1 or the 4 described posts, it is characterized in that also can being provided with silicon rubber filling layer (23) between described insulating cylinder (21) and the vacuum interrupter (22).
6,, it is characterized in that also can being provided with 1～3 sealing ring (9) bottom the described insulation transmission pillar (7) and in the connecting hole of insulated tension pole (8) by isolated vacuum load switch on the described post of claim 1.
7,, it is characterized in that also can being provided with sealing ring (5) in the connecting hole of described insulation column (7) top and contact maintenance spring base (4) by isolated vacuum load switch on claim 1 or the 6 described posts.
8,, it is characterized in that described contact keeps two thrust bearings (6) that also can be provided with spring (3) in the spring base (4) and place both ends of the spring by isolated vacuum load switch on claim 1 or the 7 described posts.
9, by isolated vacuum load switch on the described post of claim 1, it is characterized in that described isolator operating mechanism can be by closing operation lever (12), sub-switching operation lever (33), place the separating brake location hook (14) and the operation ring (13) of closing operation lever (12) end, place the combined floodgate location hook (32) and the operation ring (13) of sub-switching operation lever (33) end, place on the switch pedestal respectively separating brake stop (30) and combined floodgate stop (31) with separating brake location hook (14) and combined floodgate location hook (32) correspondence position, the connecting plate (11) that places the closing operation lever (12) and the tie point of sub-switching operation lever (33) to link to each other with horizontal drive link (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99242422 CN2386526Y (en) | 1999-08-23 | 1999-08-23 | Post isolation vacuum load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99242422 CN2386526Y (en) | 1999-08-23 | 1999-08-23 | Post isolation vacuum load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2386526Y true CN2386526Y (en) | 2000-07-05 |
Family
ID=34029071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99242422 Expired - Fee Related CN2386526Y (en) | 1999-08-23 | 1999-08-23 | Post isolation vacuum load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2386526Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964271A (en) * | 2010-09-28 | 2011-02-02 | 丹东供电设备厂 | High-voltage switch transfer current device |
-
1999
- 1999-08-23 CN CN 99242422 patent/CN2386526Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964271A (en) * | 2010-09-28 | 2011-02-02 | 丹东供电设备厂 | High-voltage switch transfer current device |
| CN101964271B (en) * | 2010-09-28 | 2012-08-15 | 丹东供电设备厂 | High-voltage switch transfer current device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |