CN201853643U - High breaking vacuum load switch-fuse combined electrical appliance - Google Patents
High breaking vacuum load switch-fuse combined electrical appliance Download PDFInfo
- Publication number
- CN201853643U CN201853643U CN201020589661XU CN201020589661U CN201853643U CN 201853643 U CN201853643 U CN 201853643U CN 201020589661X U CN201020589661X U CN 201020589661XU CN 201020589661 U CN201020589661 U CN 201020589661U CN 201853643 U CN201853643 U CN 201853643U
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- connecting lever
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- bearing pin
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- load switch
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Abstract
The utility model relates to the technical field of a high breaking vacuum load switch, in particular to a high breaking vacuum load switch-fuse combined electrical appliance. An overcurrent release breaks overload current and a fuse breaks short-circuit current to realize comprehensive protection so as to achieve the highest cost performance; and a fuse release trip indicating device is arranged to greatly facilitate a maintainer to judge the working condition of the fuse. To solve technical problems, the utility model has the technical scheme of providing the high breaking vacuum load switch-fuse combined electrical appliance which comprises a frame, an isolation switch, an upper grounding switch, a lower grounding switch and a high breaking vacuum load switch which are arranged on the frame and are mutually independent, a sealed post, a fuse and a trip mechanism.
Description
Technical field
The utility model relates to a kind of technical field of high breaking vacuum load switch, especially refers to a kind of high breaking vacuum load switch-fuse combined electric apparatus.
Background technology
Along with the fast development of urban construction, ring network power supply progressively increases, and ring network power supply unit and box-type substation also increase gradually.High breaking vacuum load switch-fuse combined electric apparatus wherein can excise fault and limiting short-circuit current in 10ms, can protect rearmounted electric equipment effectively.Fuse in high breaking vacuum load switch-fuse combined electric apparatus costs an arm and a leg and is disposable, and after the common fuse action, three fuses will be together with changing.Use cost is higher.When particularly transshipping, the cost that fuse is protected is especially wasted.Existing high breaking vacuum load switch-fuse combined electric apparatus complex structure, volume is big, there is no earthed switch is set no overcurrent protection and fuse mating protection.No indicating device after existing high breaking vacuum load switch-fuse combined electric apparatus fuse is threaded off and tripped is unfavorable for that the attendant judges the working condition of fuse.
Summary of the invention
Technical problem to be solved in the utility model is at the existing state of the art, provide a kind of high breaking vacuum load switch-fuse combined electric apparatus to come integrated protection by overcurrent release disjunction overload current with by fuse disjunction short circuit current, the highest to reach cost performance; And being provided with fuse dropout tripping operation indicating device, the personnel of maintaining easily judge the working condition of fuse greatly.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of high breaking vacuum load switch-fuse combined electric apparatus is provided, include framework, be installed on isolating switch separate on the framework, go up earthed switch, earthed switch, high breaking vacuum load switch down, a solid envelope grade post, fuse, tripping mechanism.
Tripping mechanism includes the bearing pin that is fixed on the on-load switch, dropout plate one end is fixed on bearing pin, the other end is connected with push rod by bearing pin, push rod is connected with connecting lever, the connecting lever other end is fixed on long taking off on mouthful axle, and the long mouthful axle that takes off is fixed on the framework, and connecting lever one end is fixed on long taking off on mouthful axle, the other end is connected with vertical pusher, vertical pusher is connected with connecting lever by bearing pin, and the connecting lever center fixed is on bearing pin, and bearing pin is installed on the framework, the connecting lever other end is connected with pull bar, the pull bar other end is connected with connecting lever, and connecting lever is fixed on the trip shaft, and trip shaft is installed on the framework, thread off and dial plate installation trip shaft right-hand member, overcurrent dropout plate is installed on the trip shaft left end, and screw is installed on the framework, and extension spring one end is installed on the screw, the extension spring other end is installed on the bearing pin, bearing pin is fixed on the connecting lever, and connecting lever is fixed on the left end of long trip shaft, and overcurrent release is installed on the framework, the lance of overcurrent release is over against the overcurrent plate of threading off, and the dropout direction board is fixed on the long mouthful axle right-hand member that takes off.
Compared with prior art, advantage of the present utility model is: high breaking vacuum load switch-fuse combined electric apparatus cooperates integrated protection by overcurrent release disjunction overload current with by fuse disjunction short circuit current, greatly reduce operating cost, can change any part during overload protection and continue to resume work; And set up and put fuse dropout tripping operation indicating device, the personnel of maintaining easily judge the working condition of fuse; It is simple in structure, and volume is little, conveniently is easy to make processing, simple to operate, safety and reliability.
Description of drawings
Fig. 1, Fig. 2 are the structural representation of the utility model embodiment;
Fig. 3 is the right view of the utility model embodiment;
Fig. 4 is the front view of the utility model embodiment;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the rearview of the utility model embodiment;
Fig. 7 is tripping mechanism right view in the utility model enforcement;
Fig. 8 is tripping mechanism front view in the utility model enforcement.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As Fig. 1-shown in Figure 8, this high breaking vacuum load switch-fuse combined electric apparatus includes framework 1, separate isolating switch 2 on it is set, go up earthed switch 3, earthed switch 4, tripping mechanism 5, high breaking vacuum load switch 6 down, fuse 7.
If the course of work of the present utility model is following:
When high breaking vacuum load switch-fuse combined electric apparatus primary circuit current overload, overcurrent release 71 is prior to fuse 7 actions, the striker of overcurrent release 71 ejects and promotes overcurrent dropout plate 66 is that the center clockwise rotates with trip shaft 64, dropout plate 66 drives trip shaft 64 and clockwise rotates, trip shaft 64 drives are threaded off and are dialled plate 65 rotations, and group plate 65 of threading off clockwise rotates the tripping mechanism that touches on-load switch makes the on-load switch tripping operation cut off overload current.
When high breaking vacuum load switch-when fuse combined electric apparatus primary circuit short circuit current passes through, fuse 7 is prior to overcurrent release 71 actions, the bottom striker of fuse 7 is knocking-on in 10ms, it is that the center rotates counterclockwise with bearing pin 52 that the bottom striker of fuse 7 promotes dropout plate 51, dropout plate 51 rotates counterclockwise and promotes bearing pin 53 is that the center rotates counterclockwise with bearing pin 52, rotate counterclockwise bearing pin 53 and promote push rod 54 toward moving right, it is that the center rotates counterclockwise that push rod 54 promotion connecting levers 55 take off a mouthful axle 56 with length, it is to drive the long mouthful axle 56 that takes off to rotate counterclockwise that connecting lever 55 rotates counterclockwise, the long mouthful axle 56 that takes off rotates counterclockwise and has driven dropout direction board 56a and rotate counterclockwise, the direction board 56a indicating status of threading off this moment is that fuse " fuses ", taking off mouthful axle 56 rotates counterclockwise and has also driven connecting lever 57 simultaneously and rotate counterclockwise, up having promoted vertical pusher 58 when connecting lever 57 rotates counterclockwise up moves, vertical pusher 58 has promoted bearing pin 59 and has up moved when up mobile, bearing pin 59 has promoted connecting lever 60 when up mobile be that the center clockwise rotates with bearing pin 61, connecting lever 60 is that the center has spurred pull bar 62 when clockwise rotating toward moving right with bearing pin 61, pull bar 62 has spurred connecting lever 63 when moving right and has clockwise rotated, and also having driven when connecting lever 63 clockwise rotates threads off dials plate 65 and clockwise rotate the tripping mechanism that touches on-load switch and make on-load switch tripping operation cutting-off of short-circuit electric current.
Behind the change of fuse after the action, move at the drop-down untie-sell axle 69 of the tension of extension spring 68, bearing pin 69 moves drive connecting lever 70 and clockwise rotates, driving the long mouthful axle 56 that takes off when connecting lever 70 clockwise rotates clockwise rotates, the long mouthful axle 56 that takes off clockwise rotates and has driven dropout direction board 56a and clockwise rotate to resetting, and the direction board 56a indicating status of threading off this moment is fuse " fusing "; The long mouthful axle 56 that takes off clockwise rotates and has driven connecting lever 55 simultaneously to take off a mouthful axle 56 be that the center clockwise rotates with long, when clockwise rotating, connecting lever 55 promotes push rod 54 toward moving left, push rod 54 has promoted bearing pin 53 when moving left, and bearing pin 53 has promoted 51 when moving left be that the center clockwise rotates to reset mode with bearing pin 52; The long mouthful axle 56 that takes off clockwise rotates and has driven connecting lever 57 simultaneously to take off a mouthful axle 56 be that the center clockwise rotates with long, when connecting lever 57 clockwise rotates pulled down vertical pusher 58 move down, vertical pusher 58 has spurred bearing pin 59 and has moved down when moving down, bearing pin 59 has promoted connecting lever 60 when moving down be that the center rotates counterclockwise with bearing pin 61, connecting lever 60 is that the center has spurred pull bar 62 when rotating counterclockwise toward moving left with bearing pin 61, spurred connecting lever 63 during pull bar 62 past moving left and rotated counterclockwise, also having driven group plate 65 of threading off when connecting lever 63 rotates counterclockwise and having rotated counterclockwise to reset mode.
Claims (2)
1. high breaking vacuum load switch-fuse combined electric apparatus includes framework (1), isolating switch (2), last earthed switch (3), following earthed switch (4), tripping mechanism (5), high breaking vacuum load switch (6), fuse (7), it is characterized in that: tripping mechanism (5) includes the bearing pin (52) that is fixed on the on-load switch, dropout plate (51) one ends are fixed on bearing pin (52), the other end is connected with push rod (54) by bearing pin (53), push rod (54) is connected with connecting lever (55), connecting lever (55) other end is fixed on long taking off on mouthful axle (56), long take off mouthful axle (56) fixing with framework (1) on, connecting lever (57) one ends are fixed on long taking off on mouthful axle (56), the other end is connected with vertical pusher (58), vertical pusher (58) is connected with connecting lever (60) by bearing pin (59), connecting lever (60) center fixed is on bearing pin (61), bearing pin (61) is installed on the framework (1), connecting lever (60) other end is connected with pull bar (62), pull bar (62) other end is connected with connecting lever (63), connecting lever (63) is fixed on the trip shaft (64), trip shaft (64) is installed on the framework (1), thread off and dial plate (65) installation trip shaft (64) right-hand member, overcurrent dropout plate (66) is installed on trip shaft (64) left end, screw (67) is fixedly installed on the framework (1), extension spring (69) one ends are installed on the screw (67), extension spring (69) other end is installed on the bearing pin (69), bearing pin (69) is fixed on the connecting lever (70), connecting lever (70) is fixed on the left end of long trip shaft (56), overcurrent release (71) is installed on the framework (1), and the lance of overcurrent release (71) is over against the overcurrent plate (66) of threading off.
2. high breaking vacuum load switch-fuse combined electric apparatus according to claim 1 is characterized in that: dropout direction board (56a) is fixed on long mouthful axle (56) right-hand member that takes off in the described tripping mechanism (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020589661XU CN201853643U (en) | 2010-10-30 | 2010-10-30 | High breaking vacuum load switch-fuse combined electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020589661XU CN201853643U (en) | 2010-10-30 | 2010-10-30 | High breaking vacuum load switch-fuse combined electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201853643U true CN201853643U (en) | 2011-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020589661XU Expired - Lifetime CN201853643U (en) | 2010-10-30 | 2010-10-30 | High breaking vacuum load switch-fuse combined electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201853643U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104319677A (en) * | 2014-09-16 | 2015-01-28 | 平高集团有限公司 | Box-sharing type ring network cabinet |
| CN106229210A (en) * | 2016-09-29 | 2016-12-14 | 协成科技股份有限公司 | High voltage load switch fuse combined electric apparatus |
| CN114121387A (en) * | 2021-11-29 | 2022-03-01 | 广东电网有限责任公司 | Device capable of automatically displaying insulator insulation breakdown |
| CN115472461A (en) * | 2022-11-10 | 2022-12-13 | 江苏苏中开关厂有限公司 | High-breaking load switch |
-
2010
- 2010-10-30 CN CN201020589661XU patent/CN201853643U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104319677A (en) * | 2014-09-16 | 2015-01-28 | 平高集团有限公司 | Box-sharing type ring network cabinet |
| CN104319677B (en) * | 2014-09-16 | 2016-09-14 | 平高集团有限公司 | A kind of co-box type looped net cabinet |
| CN106229210A (en) * | 2016-09-29 | 2016-12-14 | 协成科技股份有限公司 | High voltage load switch fuse combined electric apparatus |
| CN106229210B (en) * | 2016-09-29 | 2018-03-09 | 协成科技股份有限公司 | High voltage load switch fuse combined electric apparatus |
| CN114121387A (en) * | 2021-11-29 | 2022-03-01 | 广东电网有限责任公司 | Device capable of automatically displaying insulator insulation breakdown |
| CN114121387B (en) * | 2021-11-29 | 2024-04-30 | 广东电网有限责任公司 | Device capable of automatically displaying insulator insulation breakdown |
| CN115472461A (en) * | 2022-11-10 | 2022-12-13 | 江苏苏中开关厂有限公司 | High-breaking load switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High breaking vacuum load switch-fuse combined electrical appliance Effective date of registration: 20141015 Granted publication date: 20110601 Pledgee: Fujian Longyan rural commercial bank Limited by Share Ltd Phoenix branch Pledgor: Fujian Fengxing Mechanical & Electrical Equipment Co.,Ltd. Registration number: 2014990000850 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20171017 Granted publication date: 20110601 Pledgee: Fujian Longyan rural commercial bank Limited by Share Ltd Phoenix branch Pledgor: Fujian Fengxing Mechanical & Electrical Equipment Co.,Ltd. Registration number: 2014990000850 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110601 |
|
| CX01 | Expiry of patent term |