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CN-224217427-U - Bistable coincidence device

CN224217427UCN 224217427 UCN224217427 UCN 224217427UCN-224217427-U

Abstract

The utility model belongs to the technical field of high-voltage power equipment, in particular to a bistable state recloser, which comprises a welding base component, a recloser, a bistable state operating mechanism and a locking mechanism, wherein the welding base component is connected with a plurality of reclosers, the welding base assembly is internally provided with a bistable operating mechanism which is movably connected with the plurality of reclosers, the tail end of the bistable operating mechanism is provided with a locking mechanism, and the locking mechanism is fixedly arranged on the welding base assembly. When the double-layer locking type double-layer locking device is used, the driving pull rod and the movable iron core driving shaft are in collinear transmission, so that transmission loss is reduced, manual brake separation is realized by using the locking structure, the double-layer locking type double-layer locking device is convenient for workers to overhaul, and product safety accidents caused by misoperation of the workers are avoided.

Inventors

  • ZHANG QIANG
  • ZHOU CANWEI

Assignees

  • 上海固缘电力科技有限公司

Dates

Publication Date
20260508
Application Date
20250508

Claims (10)

  1. 1. The utility model provides a bistable state recloser, a serial communication port, including welding base subassembly (1), recloser (2), bistable state operating mechanism (3) and latching mechanism (4), be connected with a plurality of reclosers (2) on welding base subassembly (1), be provided with bistable state operating mechanism (3) in welding base subassembly (1), bistable state operating mechanism (3) and a plurality of reclosers (2) swing joint, the tail end of bistable state operating mechanism (3) is provided with latching mechanism (4), latching mechanism (4) fixed mounting is on welding base subassembly (1).
  2. 2. Bistable recloser according to claim 1, characterized in that the front end of the locking mechanism (4) is connected with a breaking operating handle (5), and the welding base assembly (1) is provided with a status pointer (6).
  3. 3. The bistable state recloser according to claim 1, wherein the welding base assembly (1) comprises a fixed bottom plate (101) and limiting sliding seats (102), a plurality of limiting sliding seats (102) are fixed on the inner groove of the fixed bottom plate (101) at equal intervals, limiting long holes (103) are formed in the wall plates on the left side and the right side of each limiting sliding seat (102), and a slidable limiting roller (104) is arranged in each limiting long hole (103).
  4. 4. The bistable state recloser according to claim 1, wherein a fixed base (202) is arranged at the bottom of a shielding cover shell (201) of the recloser (2), the shielding cover shell (201) is fixedly connected with a fixed bottom plate (101) through the fixed base (202), movable insulating pull rods (204) are arranged in the shielding cover shell (201), connecting rods are arranged at two ends of each insulating pull rod (204), the connecting rods at the bottom of each insulating pull rod (204) are movably connected with a driving plate (208), a die spring (205) is sleeved on the connecting rods at the bottom of each insulating pull rod (204), and the tail ends of the driving plates (208) are movably connected with the driving pull rods (304) through limiting rollers (104).
  5. 5. The bistable state recloser according to claim 4, wherein a vacuum arc-extinguishing chamber (203) is arranged in the top of the shielding case shell (201), a fixed contact (207) is fixedly arranged at the top of the vacuum arc-extinguishing chamber (203), a movable contact (206) capable of sliding is arranged in the bottom of the vacuum arc-extinguishing chamber (203), and the movable contact (206) is fixedly connected with the insulating pull rod (204) through a connecting rod at the top of the insulating pull rod (204).
  6. 6. The bistable recloser according to claim 5, wherein the bistable operating mechanism (3) comprises a bistable driving mechanism (301), a movable iron core driving shaft (302), a mechanism driving plate (303) and a driving pull rod (304), wherein the movable iron core driving shaft (302) movably penetrates through the bistable driving mechanism (301), the right end of the movable iron core driving shaft (302) is fixed with the driving pull rod (304) through two mechanism driving plates (303) through bolts, the driving pull rod (304) and the movable iron core driving shaft (302) are in collinear transmission, and each limit roller (104) is fixedly connected with the driving pull rod (304).
  7. 7. The bistable state recloser according to claim 6, wherein the locking seat (402) in the locking mechanism (4) is fixed on the fixed bottom plate (101), the rotatable mechanism driving main shaft (404) is arranged in the middle of the locking seat (402), the cylindrical surface left end of the mechanism driving main shaft (404) is fixedly connected with two linear rotating rods, the cylindrical surface right end of the mechanism driving main shaft (404) is fixedly connected with two arc rotating rods, the front end of the mechanism driving main shaft (404) is fixedly connected with the shaft (401), and the front end of the shaft (401) passes through the welding base assembly (1) and is fixed with the opening operation handle (5).
  8. 8. The bistable recloser according to claim 7, wherein a limit lever (403) is provided above the mechanism drive spindle (404), the limit lever (403) corresponding to a linear turning lever of the mechanism drive spindle (404).
  9. 9. The bistable recloser of claim 7, wherein a rolling sleeve (407) is fixedly arranged at the tail of the movable iron core driving shaft (302), and the rolling sleeve (407) is arranged corresponding to an arc-shaped rotating rod of the mechanism driving main shaft (404) to form a mechanical lock.
  10. 10. The bistable recloser of claim 7, wherein the rear end of the mechanism drive spindle (404) is fixedly provided with a travel switch toggle plate (405) after passing through the latch base (402), the rear end of the latch base (402) is fixedly provided with a travel switch (406), and the travel switch toggle plate (405) corresponds to the travel switch (406) to form an electrical latch.

Description

Bistable coincidence device Technical Field The utility model belongs to the technical field of high-voltage power equipment, and particularly relates to a bistable recloser. Background With the expansion of the scale of the power system and the improvement of the intelligent level, the reliability and the automation demand of the power distribution network are increasing. The traditional circuit breaker and reclosing device need manual intervention or rely on fixed action logic in fault handling, and are difficult to adapt to complex and changeable power grid operation environments. In particular, the access of novel power elements such as distributed energy sources, micro-grids and the like brings higher requirements on fault isolation and power supply recovery speed, and promotes the development of intelligent protection equipment such as bistable reclosers and the like. In the traditional recloser, an axis deflection angle of 15-20 degrees exists between a movable iron core driving shaft and a driving pull rod, torque transmission is needed to be realized through an adapter plate, non-collinear transmission loss is caused, energy loss is increased, the recloser lacks mechanical locking, the danger of operating workers is increased, meanwhile, the defect system directly causes the service life of equipment to be shortened by 30%, and the operation and maintenance cost is increased by more than 55%, so that the recloser becomes a key bottleneck for restricting the automatic upgrading of a power distribution network. Disclosure of utility model In view of the drawbacks of the prior art, an object of the present utility model is to provide a bistable recloser. The bistable state recloser comprises a welding base component, reclosers, bistable state operating mechanisms and locking mechanisms, wherein the welding base component is connected with the reclosers, the bistable state operating mechanisms are arranged in the welding base component and are movably connected with the reclosers, the locking mechanisms are arranged at the tail ends of the bistable state operating mechanisms, and the locking mechanisms are fixedly arranged on the welding base component. In a preferred embodiment, the front end of the locking mechanism is connected with a brake separating operation handle, and the welding base assembly is provided with a state pointer. In a preferred embodiment, the welding base assembly comprises a fixed bottom plate and limiting sliding seats, a plurality of limiting sliding seats are fixed on the inner groove of the fixed bottom plate at equal intervals, limiting long holes parallel to the driving pull rod are formed in the wall plates on the left side and the right side of each limiting sliding seat, a slidable limiting roller is arranged in each limiting long hole, and each limiting roller is fixedly connected with the driving pull rod. In a preferred embodiment, a fixed base is arranged at the bottom of a shielding cover shell of the recloser, the shielding cover shell is fixedly connected with a fixed bottom plate through the fixed base, movable insulating pull rods are arranged in the shielding cover shell, connecting rods are arranged at two ends of each insulating pull rod, the connecting rods at the bottoms of the insulating pull rods are movably connected with a driving plate, a die spring is sleeved on the connecting rods at the bottoms of the insulating pull rods, and the tail ends of the driving plates are movably connected with the driving pull rods through limiting rollers. In a preferred embodiment, a vacuum arc-extinguishing chamber is arranged in the top of the shielding case shell, a fixed contact is fixedly arranged at the top of a cavity of the vacuum arc-extinguishing chamber, a movable contact capable of sliding is arranged at the bottom of the cavity of the vacuum arc-extinguishing chamber, and the movable contact is fixedly connected with an insulating pull rod through a connecting rod at the top of the insulating pull rod. In a preferred embodiment, the bistable operating mechanism comprises a bistable driving mechanism, a movable iron core driving shaft, a mechanism driving plate and a driving pull rod, wherein the movable iron core driving shaft movably penetrates through the bistable driving mechanism, the right end of the movable iron core driving shaft is fixed with the driving pull rod through two mechanism driving plates through bolts, and the driving pull rod and the movable iron core driving shaft are in collinear transmission. In a preferred embodiment, a locking seat in the locking mechanism is fixed on a fixed bottom plate, a rotatable mechanism driving main shaft is arranged in the middle of the locking seat, two linear rotating rods are fixedly connected to the left end of a cylindrical surface of the mechanism driving main shaft, two arc rotating rods are fixedly connected to the right end of the cylindrical surface of the mechanism driving main shaft, a connec