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CN-224232522-U - Protection mechanism and parallel capacitor with same

CN224232522UCN 224232522 UCN224232522 UCN 224232522UCN-224232522-U

Abstract

The utility model belongs to the technical field of capacitors, and provides a protection mechanism and a parallel capacitor with the protection mechanism. The protection mechanism corresponds to the wire outlet sleeves of the parallel capacitors one by one, and comprises a first protection piece and a second protection piece, wherein the first protection piece is fixedly connected to the top of a shell of the parallel capacitors and is used for enclosing the wire outlet sleeves of the parallel capacitors, the second protection piece is movably connected to the first protection piece and is used for enclosing the wire outlet sleeves to extend out of the wire connecting terminals of the first protection piece, and the second protection piece can elastically stretch and retract along the axial direction of the first protection piece so as to expose the wire connecting terminals of the wire outlet sleeves to realize disassembly and assembly of wires. The shunt capacitor includes the guard mechanism. According to the utility model, the first protective piece and the second protective piece which are arranged up and down and can elastically stretch relatively can protect the outlet sleeve from being damaged due to collision with external sundries, meanwhile, the overhaul of the parallel capacitor is not influenced, and the normal use of the parallel capacitor is ensured.

Inventors

  • FAN YUQING
  • Fu Laiyong
  • WU YINAN

Assignees

  • 内蒙古通威硅能源有限公司

Dates

Publication Date
20260512
Application Date
20250327

Claims (9)

  1. 1. The utility model provides a protection machanism, with parallelly connected condenser's wire outlet sleeve one-to-one, this protection machanism includes: a first protection member fixedly connected to the top of the parallel capacitor case for enclosing the outlet bushing of the parallel capacitor, and The second protection piece is movably connected to the first protection piece and is used for enclosing the wiring terminal of the wire outlet sleeve extending out of the first protection piece; The second protection piece can elastically stretch along the axial direction of the first protection piece so as to expose the wiring terminal of the wire outlet sleeve to realize the disassembly and assembly of the wire.
  2. 2. The guard mechanism of claim 1, wherein: The first protection piece comprises a bottom ring, a supporting rod and a top ring which are sequentially connected, wherein a plurality of clamping blocks which are uniformly distributed on the circumference are arranged on the bottom surface of the bottom ring, the clamping blocks are connected with clamping grooves arranged on the top of the shell in a clamping manner, the top surface of the bottom ring is connected with an inner cylinder, and the inner cylinder is positioned in the top ring so as to enclose an outgoing line sleeve passing through the bottom ring; the second protection piece comprises a movable ring and an outer barrel which are connected with each other, the movable ring is located between the bottom ring and the top ring and is elastically connected with the supporting rod in a telescopic manner, and the outer barrel is located inside the top ring and is slidably sleeved on the outer side of the inner barrel so as to enclose the wiring terminal of the outlet sleeve extending out of the inner barrel.
  3. 3. The protection mechanism according to claim 2, wherein 3 blocks are uniformly distributed on the circumference of the clamping block.
  4. 4. A guard mechanism according to claim 2 or claim 3, wherein the moveable ring is resiliently telescopically coupled to the strut by a resilient member.
  5. 5. The guard mechanism of claim 4, wherein: At least one pair of support rods are symmetrically arranged, and each support rod penetrates through the movable ring in a sliding manner; The elastic piece is sleeved on the supporting rod, and two ends of the elastic piece are respectively in abutting connection with the bottom ring and the movable ring.
  6. 6. The protection mechanism according to claim 5, wherein the support rods are symmetrically provided with two pairs, and the two pairs are distributed in a cross shape.
  7. 7. The guard mechanism of claim 5 or 6, wherein the resilient member is a spring.
  8. 8. The guard mechanism of claim 2, wherein the depth of the outer barrel is less than the depth of the inner barrel.
  9. 9. A parallel capacitor having the protection mechanism, characterized by comprising the protection mechanism according to any one of claims 1 to 8.

Description

Protection mechanism and parallel capacitor with same Technical Field The utility model relates to the technical field of capacitors, in particular to a protection mechanism and a parallel capacitor with the protection mechanism. Background The parallel capacitor (known as a phase-shifting capacitor) is a reactive compensation device, which is mainly used for compensating reactive power of inductive loads of a power system. Parallel capacitors play an important role in power systems, which can increase the power factor (i.e. the ratio of real power to apparent power) and thus make the operation of the power system more efficient, and in addition, they can improve the voltage quality, helping to maintain the voltage stability of the grid by providing additional reactive power support. At present, the outlet sleeve of the existing parallel capacitor is directly exposed on the shell, and effective protective measures are not adopted on the outlet sleeve, so that the outlet sleeve is easy to collide with external sundries to be damaged when the parallel capacitor is overhauled or disassembled, and the normal use of the parallel capacitor is affected. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a protection mechanism and a parallel capacitor with the protection mechanism, so as to solve the problem that the outgoing line sleeve of the existing parallel capacitor is directly exposed on a shell and is damaged due to collision with external sundries when the parallel capacitor is overhauled or disassembled without effective protection measures, thereby influencing the normal use of the parallel capacitor. In order to achieve the above purpose, the present utility model provides the following technical solutions: A protection mechanism in one-to-one correspondence with outlet bushings of a parallel capacitor, the protection mechanism comprising: a first protection member fixedly connected to the top of the parallel capacitor case for enclosing the outlet bushing of the parallel capacitor, and The second protection piece is movably connected to the first protection piece and is used for enclosing the wiring terminal of the wire outlet sleeve extending out of the first protection piece; The second protection piece can elastically stretch along the axial direction of the first protection piece so as to expose the wiring terminal of the wire outlet sleeve to realize the disassembly and assembly of the wire. In one embodiment of the application, the first protection piece comprises a bottom ring, a supporting rod and a top ring which are sequentially connected, wherein a plurality of clamping blocks which are uniformly distributed on the circumference are arranged on the bottom surface of the bottom ring, the clamping blocks are connected with clamping grooves arranged on the top of the shell in a clamping way, the top surface of the bottom ring is connected with an inner cylinder, and the inner cylinder is positioned in the top ring so as to enclose a wire outlet sleeve passing through the bottom ring; the second protection piece comprises a movable ring and an outer barrel which are connected with each other, the movable ring is located between the bottom ring and the top ring and is elastically connected with the supporting rod in a telescopic manner, and the outer barrel is located inside the top ring and is slidably sleeved on the outer side of the inner barrel so as to enclose the wiring terminal of the outlet sleeve extending out of the inner barrel. In one embodiment of the application, 3 blocks are uniformly distributed on the circumference of the clamping block. In one embodiment of the present disclosure, the movable ring is elastically connected to the strut by an elastic member. In one embodiment of the present disclosure, at least one pair of the struts is symmetrically arranged, and each of the struts slides through the movable ring; The elastic piece is sleeved on the supporting rod, and two ends of the elastic piece are respectively in abutting connection with the bottom ring and the movable ring. In one embodiment of the application, the struts are symmetrically provided with two pairs, which are in a cross-shaped distribution structure. In one embodiment of the present disclosure, the elastic member is a spring. In one embodiment of the present disclosure, the depth of the outer barrel is less than the depth of the inner barrel. A parallel capacitor having the guard mechanism, comprising the guard mechanism of any one of the above. Compared with the prior art, the utility model has the beneficial effects that: 1. Through arranging from top to bottom and can be relative elasticity flexible first protector and second protector, can protect the wire outlet sleeve pipe and not bump with external debris and harm, do not influence the maintenance of parallelly connected condenser simultaneously, guaranteed the normal use of parallelly connected condenser. 2.