CN2919499Y - Vacuum load switch-fuse combined electrical equipment - Google Patents
Vacuum load switch-fuse combined electrical equipment Download PDFInfo
- Publication number
- CN2919499Y CN2919499Y CN 200620105259 CN200620105259U CN2919499Y CN 2919499 Y CN2919499 Y CN 2919499Y CN 200620105259 CN200620105259 CN 200620105259 CN 200620105259 U CN200620105259 U CN 200620105259U CN 2919499 Y CN2919499 Y CN 2919499Y
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- connecting lever
- load switch
- vacuum load
- fuse
- bracing frame
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Abstract
The utility model relates to a vacuum load switch-fuse breaker assembled electric implement and comprises an insulated support(1), an independent isolation switch positioned on the insulated support, a grounding switch, a vacuum load switch and a fuse breaker (2), wherein the vacuum load switch has vacuum suppressing arc chamber (3) and its drive connecting spring energy storage structure (4), and also the linkage loosing button structure (5) is provided between the fuse breaker (2)and the spring energy storage structure (4). Compared with the prior art, the utility model is based on the original vacuum load switch- fuse breaker assembled electric implement, using the narrow space in the assembled electric implement, and setting the linkage loosing button structure, the whole device is still unchanged, with artifice design technology, very compact structure as well as convenient operation, which fulfills the fuse breaker works for spring energy storage structure when in operating, so that making the vacuum load switch separating brake, and also the width of the switch is only 370mm in the condition of separating brake and combining brake.
Description
Technical field
The utility model relates to the technical field of vacuum load switch, especially refers to a kind of vacuum load switch-fuse combined electric apparatus.
Background technology
Along with the fast development of urban construction, high-tension electricity progresses into the city, and ring network power supply also progressively increases, and ring network power supply unit and box-type substation arise at the historic moment.Wherein, vacuum load switch-fuse combined electric apparatus because of its fuse has can be in the characteristic of extremely short time internal cutting off fault current; serve as the important task of cut-offfing between operating current and the short circuit current, and can effectively protect electric equipment, avoiding causing large-area power-cuts.Existing vacuum load switch-fuse combined electric apparatus; generally comprised the insulation bracing frame; be provided with on it and isolating switch independently mutually; earthed switch; vacuum load switch and fuse; wherein; vacuum load switch includes vacuum interrupter and the spring energy agency that links to each other with its transmission; be provided with the interlock tripping mechanism that links to each other with both transmissions between fuse and the spring energy agency; when practical application; when fuse runs into fault current; the striker of fuse inside triggers the interlock tripping mechanism immediately; transmission by the interlock tripping mechanism makes spring energy agency discharge energy storage; vacuum interrupter is disconnected; be the vacuum load switch separating brake, thus the protection electric equipment.As the patent No. is that the Chinese utility model patent " vacuum load switch-fuse composite set " of ZL200420046386.1 (notification number is CN2752941Y) discloses so a kind of combined electrical apparatus.But in this patent content, in vacuum load switch-fuse combined electric apparatus the interlock tripping mechanism structure be not described specifically, can find out that from its accompanying drawing this interlock tripping mechanism occupies certain space, like this, just increased the volume of whole device.
Summary of the invention
Technical problem to be solved in the utility model is the present situation at prior art, a kind of vacuum load switch-fuse combined electric apparatus is provided, it utilizes the small space among the whole combined electrical apparatus, the interlock tripping mechanism is set, when both having realized the fuse action spring energy agency was operated, thereby make the vacuum load switch separating brake, guaranteed that again the volume of whole device is still constant.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this vacuum load switch-fuse combined electric apparatus, include the insulation bracing frame, be provided with on it and isolating switch independently mutually, earthed switch, vacuum load switch and fuse, wherein, described vacuum load switch includes vacuum interrupter and the spring energy agency that links to each other with its transmission, and, between described fuse and spring energy agency, be provided with the interlock tripping mechanism that links to each other with both transmissions, it is characterized in that: described interlock tripping mechanism, include and be arranged on fuse below and middle part and be articulated in tripping operation dropout plate on the insulation bracing frame, be hinged on the first connecting rod of this tripping operation dropout plate one end, be hinged on the first connecting rod other end and middle part and be articulated in first connecting lever of insulation on the bracing frame, be hinged on the second connecting rod of first connecting lever, one end, be hinged on second connecting lever of the second connecting rod other end, be fixed on this second connecting lever, one end and first trip shaft of two end supports on the insulation bracing frame, one end is fixed on the 3rd connecting lever on this first trip shaft, be hinged on the third connecting rod on the 3rd connecting lever other end, be hinged on be "＞" shape on third connecting rod one end and the middle part kink be articulated in the 4th connecting lever on the insulation bracing frame, be hinged on the 4th connecting rod of the 4th connecting lever one end, be hinged on the 5th connecting lever of the 4th connecting rod one end, be fixed on the 5th connecting lever one end and second trip shaft of two end supports on the insulation bracing frame, one end is fixed on the 6th connecting lever on this second trip shaft, plate is dialled in the tripping operation that is fixed on the 6th connecting lever other end, and this tripping operation is dialled plate and then is in transmission connection with the switch of spring energy agency.
When having occurred other fault currents such as short circuit current in the circuit of vacuum load switch, the striker of fuse inside is knocking-on, press down tripping operation dropout plate one end, the other end of tripping operation dropout plate then upwarps, first connecting rod moves up, cause the other end of first connecting lever to move clockwise, thereby driving second connecting rod moves down, related first trip shaft of second connecting lever rotates counterclockwise, like this, the 3rd connecting lever that is connected on first trip shaft also rotates counterclockwise thereupon, and promptly the other end of the 3rd connecting lever is upturned, like this, third connecting rod moves up thereupon, and the 4th connecting lever rotates counterclockwise, and makes the other end of the 4th connecting lever spur the 4th connecting rod and the 5th connecting lever is clockwise rotated, second trip shaft and then clockwise rotates, drive the 6th connecting lever and clockwise rotate, make tripping operation on the other end that is connected the 6th connecting lever dial plate and move down, this tripping operation is dialled plate and is stirred spring energy agency, make the energy storage of its retracting spring, thereby make the vacuum load switch separating brake.
Wherein, this tripping operation dropout plate middle part is provided with rotating shaft, and these rotating shaft two ends are arranged on the insulation bracing frame, and like this, the two ends of this tripping operation dropout plate can be rotated relative to the bracing frame that insulate; First trip shaft and second trip shaft are located on the insulation bracing frame by its two ends, both are supported, and can rotate relative to the bracing frame that insulate again; And described the 4th connecting lever is provided with two ends at its kink and is arranged on the rotating shaft of insulation on the bracing frame, thereby makes pivot joint that the 4th connecting lever can rotate relative to the bracing frame that insulate thereon.
When first connecting lever is rotated, can effectively spur second connecting rod downwards, to be "＞" shape be good to described first connecting lever to be made into, and its kink is provided with two ends and is arranged on rotating shaft on the insulation bracing frame, thereby make pivot joint that first connecting lever can rotate relative to the bracing frame that insulate thereon.
Vacuum load switch for three-phase, described tripping operation dropout plate, first connecting rod, first connecting lever, second connecting rod, second connecting lever can be set below each fuse, and an end of described second connecting lever all is fixed on described first trip shaft, like this, as long as any one fuse detects fault current, will drive the link gear of its below, drive to first trip shaft immediately, then drive to tripping operation and dial plate, make it stir spring energy agency, the energy storage of retracting spring, thereby the separating brake of realization vacuum load switch.
Compared with prior art, advantage of the present utility model is: on original vacuum load switch-fuse combined electric apparatus basis, utilize the small space among the combined electrical apparatus, interting the interlock tripping mechanism is set, the volume of whole device is still constant, and design science is ingenious, structure is very compact, and operate nimblely, when realizing the fuse action spring energy agency is operated, thereby made the vacuum load switch separating brake; The utility model integrates isolation, load, earthed switch, and switch is under the state of separating brake, combined floodgate, and width only is 370mm.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the structural representation of interlock tripping mechanism among the utility model embodiment.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As Fig. 1～shown in Figure 4, this vacuum load switch-fuse combined electric apparatus, include insulation bracing frame 1, be provided with on it and independently isolating switch, earthed switch, vacuum load switch and fuse 2 mutually, wherein, described vacuum load switch includes vacuum interrupter 3 and the spring energy agency 4 that links to each other with its transmission, and, between described fuse 2 and spring energy agency 4, be provided with the interlock tripping mechanism 5 that links to each other with both transmissions;
Described interlock tripping mechanism 5, include and be arranged on fuse 2 belows and middle part and be articulated in tripping operation dropout plate 51 on the insulation bracing frame 1, be hinged on the first connecting rod 52 of these tripping operation dropout plate 51 1 ends, be hinged on first connecting rod 52 other ends and middle part and be articulated in first connecting lever 53 of insulation on the bracing frame 1, be hinged on the second connecting rod 54 of first connecting lever, 53 1 ends, be hinged on second connecting lever 55 of second connecting rod 54 other ends, be fixed on these second connecting lever, 55 1 ends and first trip shaft 56 of two end supports on insulation bracing frame 1, one end is fixed on the 3rd connecting lever 57 on this first trip shaft 56, be hinged on the third connecting rod 58 on the 3rd connecting lever 57 other ends, be hinged on the 4th connecting lever 59 on third connecting rod 58 1 ends, be hinged on the 4th connecting rod 60 of the 4th connecting lever 59 1 ends, be hinged on the 5th connecting lever 61 of the 4th connecting rod 60 1 ends, be fixed on the 5th connecting lever 61 1 ends and second trip shaft 62 of two end supports on insulation bracing frame 1, one end is fixed on the 6th connecting lever 63 on this second trip shaft 62, plate 64 is dialled in the tripping operation that is fixed on the 6th connecting lever 63 other ends, and this tripping operation is dialled 64 switches with spring energy agency 4 of plate and is in transmission connection;
These tripping operation dropout plate 51 middle parts wherein are provided with rotating shaft 51a, and this rotating shaft 51a two ends are arranged on the insulation bracing frame 1, thereby the two ends of tripping operation dropout plate 51 can be rotated relative to the bracing frame 1 that insulate;
First connecting lever 53 is "＞" shape, and its kink is provided with two ends and is arranged on the rotating shaft 53a of insulation on the bracing frame 1, makes first connecting lever 53 can be relative to pivot joint that the bracing frame 1 that insulate rotates on it;
The 4th connecting lever 59 also is "＞" shape, and its middle part kink is provided with two ends and is arranged on the rotating shaft 59a of insulation on the bracing frame 1, thereby its middle part is articulated on the insulation bracing frame 1.
The course of work of the present utility model is as follows: when having occurred other fault currents such as short circuit current in the circuit of vacuum load switch, the striker of fuse 2 inside is knocking-on, press down tripping operation dropout plate 51 1 ends, the other end of tripping operation dropout plate 51 then upwarps, first connecting rod 52 moves up, cause the other end of first connecting lever 53 to move clockwise, thereby driving second connecting rod 54 moves down, second connecting lever, 55 related first trip shaft 56 rotate counterclockwise, like this, the 3rd connecting lever 57 that is connected on first trip shaft 56 is that the center rotates counterclockwise with both tie points also thereupon, promptly the other end of the 3rd connecting lever 57 is upturned, like this, third connecting rod 58 moves up thereupon, the 4th connecting lever 59 is that the center rotates counterclockwise with its rotating shaft 59a, make the other end of the 4th connecting lever 59 spur the 4th connecting rod 60 and the 5th connecting lever 61 is clockwise rotated, second trip shaft 62 and then clockwise rotates, driving the 6th connecting lever 63 clockwise rotates, making tripping operation on the other end that is connected the 6th connecting lever 63 dial plate 64 moves down, this tripping operation is dialled plate 64 and is stirred spring energy agency 4, make the energy storage of its retracting spring, thereby make the vacuum load switch separating brake.
Claims (2)
1, a kind of vacuum load switch-fuse combined electric apparatus, include insulation bracing frame (1), be provided with on it and isolating switch independently mutually, earthed switch, vacuum load switch and fuse (2), wherein, described vacuum load switch includes vacuum interrupter (3) and the spring energy agency (4) that links to each other with its transmission, and, between described fuse (2) and spring energy agency (4), be provided with the interlock tripping mechanism (5) that links to each other with both transmissions, it is characterized in that: described interlock tripping mechanism (5), include and be arranged on fuse (2) below and middle part and be articulated in tripping operation dropout plate (51) on the insulation bracing frame (1), be hinged on the first connecting rod (52) of these tripping operation dropout plate (51) one ends, be hinged on first connecting rod (52) other end and middle part and be articulated in first connecting lever (53) in insulation bracing frame (1), be hinged on the second connecting rod (54) of first connecting lever (53) one ends, be hinged on second connecting lever (55) of second connecting rod (54) other end, be fixed on these second connecting lever (55) one ends and first trip shaft (56) of two end supports on insulation bracing frame (1), one end is fixed on the 3rd connecting lever (57) on this first trip shaft (56), be hinged on the third connecting rod (58) on the 3rd connecting lever (57) other end, be hinged on be "＞" shape on third connecting rod (58) one ends and the middle part kink be articulated in the 4th connecting lever (59) on the insulation bracing frame (1), be hinged on the 4th connecting rod (60) of the 4th connecting lever (59) one ends, be hinged on the 5th connecting lever (61) of the 4th connecting rod (60) one ends, be fixed on the 5th connecting lever (61) one ends and second trip shaft (62) of two end supports on insulation bracing frame (1), one end is fixed on the 6th connecting lever (63) on this second trip shaft (62), plate (64) is dialled in the tripping operation that is fixed on the 6th connecting lever (63) other end, and this tripping operation is dialled plate (64) and then is in transmission connection with the switch of spring energy agency (4).
2, vacuum load switch-fuse combined electric apparatus according to claim 1 is characterized in that: described first connecting lever (53) is "＞" shape, and its kink is provided with two ends and is arranged on rotating shaft (53a) in insulation bracing frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620105259 CN2919499Y (en) | 2006-06-30 | 2006-06-30 | Vacuum load switch-fuse combined electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620105259 CN2919499Y (en) | 2006-06-30 | 2006-06-30 | Vacuum load switch-fuse combined electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2919499Y true CN2919499Y (en) | 2007-07-04 |
Family
ID=38217318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620105259 Expired - Lifetime CN2919499Y (en) | 2006-06-30 | 2006-06-30 | Vacuum load switch-fuse combined electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2919499Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101540480B (en) * | 2009-04-22 | 2011-05-04 | 宁波天安（集团）股份有限公司 | Vacuum-load isolating switch-fuse combined electrical apparatus |
| CN102361227A (en) * | 2011-07-18 | 2012-02-22 | 句容华源电器设备有限公司 | High-voltage combined electric appliance |
| CN107910234A (en) * | 2017-12-27 | 2018-04-13 | 徐为杰 | A kind of highly sensitive combination switch dropout transmission mechanism |
| TWI799098B (en) * | 2021-02-25 | 2023-04-11 | 美商金盤電氣設備股份有限公司 | Switchgear system having truck driven shutter mechanism and method for operating the same |
| US11742639B2 (en) | 2021-02-25 | 2023-08-29 | Jst Power Equipment, Inc. | Switchgear system having truck driven shutter mechanism |
-
2006
- 2006-06-30 CN CN 200620105259 patent/CN2919499Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101540480B (en) * | 2009-04-22 | 2011-05-04 | 宁波天安（集团）股份有限公司 | Vacuum-load isolating switch-fuse combined electrical apparatus |
| CN102361227A (en) * | 2011-07-18 | 2012-02-22 | 句容华源电器设备有限公司 | High-voltage combined electric appliance |
| CN107910234A (en) * | 2017-12-27 | 2018-04-13 | 徐为杰 | A kind of highly sensitive combination switch dropout transmission mechanism |
| TWI799098B (en) * | 2021-02-25 | 2023-04-11 | 美商金盤電氣設備股份有限公司 | Switchgear system having truck driven shutter mechanism and method for operating the same |
| US11742639B2 (en) | 2021-02-25 | 2023-08-29 | Jst Power Equipment, Inc. | Switchgear system having truck driven shutter mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070704 |
|
| EXPY | Termination of patent right or utility model |