CN212570888U

CN212570888U - Miniature circuit breaker of reactive power compensator on post

Info

Publication number: CN212570888U
Application number: CN202021664035.2U
Authority: CN
Inventors: 卢浩; 蒋晓英; 朱翌
Original assignee: Zhangjiagang Smartgrid Flexible Power Transmission And Distribution Technology Institute Co ltd
Current assignee: Zhangjiagang Smartgrid Flexible Power Transmission And Distribution Technology Institute Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-02-19
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a miniature circuit breaker of a post reactive power compensator, which comprises a thermoplastic insulating shell and a circuit breaking control handle, wherein the circuit breaking control handle is arranged on the outer wall of the front end of the thermoplastic insulating shell, the outer wall of the front end of the thermoplastic insulating shell on the upper side of the circuit breaking control handle is provided with a wiring indication area, a pressurizing scraper is additionally arranged on the wiring indication area and consists of a dust removing blade and a pressing scraper, wherein the dust removing blade is bent inwards and attached to the inner wall of the groove bottom of the wiring indication area and can be gradually pushed to the right side by pressing a pressure groove on the outer wall of the pressing scraper, and the dust attached to the groove bottom of the wiring indication area is scraped and cleaned by the dust removing blade arranged on the pressing scraper, so that a wiring circuit diagram attached to the wiring indication area is exposed, and a worker can conveniently check the circuit connection condition of a working mechanism, the maintenance time is reduced, and the working efficiency is improved.

Description

Miniature circuit breaker of reactive power compensator on post

Technical Field

The utility model belongs to the technical field of circuit protection is relevant, concretely relates to reactive power compensator's miniature circuit breaker on post.

Background

The pole reactive compensation cabinet adopts a microcomputer dynamic compensation controller with a singlechip as a core, so that the anti-interference capability is strong, the data acquisition is accurate, the output is stable, and the response speed is high; the switching of the parallel capacitor can be controlled by the automatic controller according to the parameters of voltage, time, power factor, reactive power and the like, so that the power factor of the line is improved, the loss of the line is reduced, and the voltage quality is improved. And the device can automatically quit working in case of external fault or power failure, and automatically recover to operate after power transmission without human intervention. And reactive compensation cabinet on post usually need set up open circuit protection device to realize the short circuit of circuit, transship, protection such as excessive pressure.

The prior micro circuit breaking device technology of the reactive compensation device on the column has the following problems: when traditional post reactive power compensator's miniature circuit breaker is examining and maintaining, the attached wiring circuit diagram of operating personnel accessible wiring instruction zone is known the line connection condition of operating device, and the wiring instruction zone on the traditional type circuit breaker does not have any protective structure, very easily adheres to a large amount of dusts on the wiring instruction zone to be not convenient for observe, prolonged maintenance duration, reduce work efficiency.

Disclosure of Invention

An object of the utility model is to provide a reactive power compensator's miniature circuit breaker on post to the wiring instruction area on the traditional type circuit breaker who proposes in solving above-mentioned background art does not have any protective structure and easily adheres to a large amount of dust problems.

In order to achieve the above object, the utility model provides a following technical scheme: a miniature circuit breaker of a reactive power compensation device on a column comprises a thermoplastic insulating shell and a circuit breaking control handle, the circuit-breaking control handle is arranged on the outer wall of the front end of the thermoplastic insulating shell, a wiring indication area is arranged on the outer wall of the front end of the thermoplastic insulating shell on the upper side of the circuit-breaking control handle, the outer wall of the front end of the thermoplastic insulating shell at the upper side and the lower side of the wiring indication area is provided with a limiting sliding chute, a pressurizing scraper is arranged in the inner wall of the left end of the wiring indication area, a pressing scraper is arranged on the pressurizing scraper, the outer wall of the pressing scraper is provided with a finger pressing groove, the upper end and the lower end of the pressing scraper are provided with fixed clamping feet, the dust removal scraper blade that stretches out right is provided with in the inside of pressing the scraper blade, through installation screw fixed connection between dust removal blade and the pressing the scraper blade, the upper and lower both ends of dust removal blade are provided with fixed clamping piece.

Preferably, the outer wall of the upper end of the thermoplastic insulating shell is provided with a wiring terminal, and the outer wall of the front side of the thermoplastic insulating shell close to the upper end is provided with a fastening screw.

Preferably, the dust removal blade is of a U-shaped structure, and the right end of the dust removal blade is bent inwards and attached to the inner wall of the groove bottom of the wiring indication area.

Preferably, the insides of the upper end and the lower end of the pressing scraper are provided with insertion holes with rightward openings, and the fixed clamping pieces at the upper end and the lower end of the dedusting blade are inserted into the pressing scraper from the insertion holes.

Preferably, the finger pressing groove is arranged at the center of the outer wall of the front end of the pressing scraper, and the pressing scraper is provided with anti-skid corrugations.

Preferably, the fixed clamping feet at the upper end and the lower end of the pressing scraper are tilted outwards and respectively clamped in the limiting sliding grooves at the upper side and the lower side.

Compare with current reactive power compensator's miniature circuit breaker technique on post, the utility model provides a reactive power compensator's miniature circuit breaker on post possesses following beneficial effect:

1. the utility model discloses an add the pressurization scraper on wiring indication area, the pressurization scraper comprises dust removal blade and pressing scraper blade, wherein dust removal blade inwards buckles to be attached on the tank bottom inner wall of wiring indication area, can push gradually to the right side through pressing the finger pressure groove on the pressing scraper blade outer wall, scrape the clearance to the dust that adheres to on wiring indication area tank bottom by the dust removal blade of installing on pressing the scraper blade, thereby show the attached wiring circuit diagram in wiring indication area, be convenient for the staff to look over the line connection condition of connecting this operating device, reduce maintenance duration, improve work efficiency;

2. the utility model discloses an inside jack that has set up the opening rightwards in the upper and lower both ends of pressing the scraper blade, and make the fixed clamping piece at both ends can insert from the jack about the dust removal blade and press the scraper blade, insert to the bottom when the dust removal blade, the screw at both ends can align inside and outside the dust removal blade and the press the scraper blade about can to be convenient for through installation screw fixed connection, make the dust removal blade with press the quick installation of scraper blade fixed, the convenience is changed the dust removal blade simultaneously, keep good dust removal effect.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural diagram of a miniature circuit breaker of a reactive power compensation device on a column according to the present invention;

FIG. 2 is a schematic view of a pressurized scraper in accordance with the present invention;

fig. 3 is a schematic structural view of the pressing scraper proposed by the present invention;

fig. 4 is a schematic structural view of the dust removing blade provided by the present invention;

in the figure: 1. a thermoplastic insulating housing; 2. a circuit breaking control handle; 3. a pressurized scraper; 4. a wiring indication area; 5. fastening screws; 6. a wiring terminal; 7. a limiting chute; 8. pressing the scraper; 9. a finger pressure groove; 10. mounting screws; 11. a dust removal blade; 12. fixing the clamping pin; 13. and fixing the clamping piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a miniature circuit breaker of a reactive power compensator on a column comprises a thermoplastic insulating shell 1 and a circuit breaking control handle 2, wherein the circuit breaking control handle 2 is installed on the outer wall of the front end of the thermoplastic insulating shell 1, a wiring indication area 4 is arranged on the outer wall of the front end of the thermoplastic insulating shell 1 on the upper side of the circuit breaking control handle 2, a limiting sliding chute 7 is arranged on the outer wall of the front end of the thermoplastic insulating shell 1 on the upper side and the lower side of the wiring indication area 4, a pressurizing scraper 3 is arranged in the inner wall of the left end of the wiring indication area 4, a pressing scraper 8 is arranged on the pressurizing scraper 3, a finger pressure groove 9 is arranged on the outer wall of the pressing scraper 8, the finger pressure groove 9 is arranged at the central position of the outer wall of the front end of the pressing scraper 8, anti-skid corrugations are arranged in the pressing scraper 8, so that dust at the bottom of the groove 4 in the wiring indication area can be cleaned by a dust removal blade 11 installed, the upper end and the lower end of the pressing scraper 8 are provided with fixing clamp feet 12, the fixing clamp feet 12 at the upper end and the lower end of the pressing scraper 8 are all outwards tilted and respectively clamped in the limiting sliding grooves 7 at the upper side and the lower side, so that the pressing scraper 8 is limited and fixed in the groove wall of the wiring indication area 4, and the fixing clamp feet 12 at the upper end and the lower end of the pressing scraper 8 slide left and right in the limiting sliding grooves 7 to clean the wiring indication area 4.

A miniature circuit breaking device of a reactive power compensation device on a column comprises a pressing scraper 8, wherein a dust removal blade 11 extending rightwards is arranged inside the pressing scraper 8, the dust removal blade 11 is of a U-shaped structure, the right end of the dust removal blade 11 is bent inwards and attached to the inner wall of the bottom of a wiring indication area 4, the dust removal blade 11 is a main working structure, dust attached to the bottom of the wiring indication area 4 is removed and cleaned through the dust removal blade 11, a wiring circuit diagram attached to the wiring indication area 4 is exposed, a worker can conveniently check the circuit connection condition of a working mechanism, the dust removal blade 11 is fixedly connected with the pressing scraper 8 through a mounting screw 10, fixed clamping pieces 13 are arranged at the upper end and the lower end of the dust removal blade 11, insertion holes with openings rightwards are formed inside the upper end and the lower end of the pressing scraper 8, the fixed clamping pieces 13 at the upper end and the lower end of the dust removal blade 11 are inserted, when dust removal blade 11 inserts to the bottom, the screw at both ends about dust removal blade 11 and the pressing scraper 8 can be inside and outside to align to be convenient for through installation screw 10 fixed connection, make dust removal blade 11 with press the scraper 8 quick installation fixed, the convenience is changed dust removal blade 11 simultaneously.

The utility model provides a reactive power compensator's miniature circuit breaker on post, is provided with binding post 6 on the upper end outer wall of insulating casing 1 including heat, is provided with fastening screw 5 on the front side outer wall that insulating casing 1 is close to the upper end of heat, and fastening screw 5 is the fixed knot who binding post 6 links the wire constructs to make miniature circuit breaker can connect in the circuit, play the effect of outage protection.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the micro circuit breaker of the novel pole reactive compensation device mainly comprises an operating mechanism, contacts and a protection device (various releases, an arc extinguishing system and the like, the main contacts of the micro circuit breaker are manually operated or electrically closed, after the main contacts are closed, the main contacts are locked on the closing position by a free tripping mechanism, a coil of an over-current release and a thermal element of a thermal release are connected with a main circuit in series, the coil of an under-voltage release is connected with a power supply in parallel, when the circuit is short-circuited or seriously overloaded, the armature of the over-current release is attracted, the free tripping mechanism acts, the main contacts break the main circuit, when the circuit is overloaded, the thermal element of the thermal release generates heat to bend a bimetallic strip to push the free tripping mechanism to act, when the circuit is under-voltage, the armature of the under-voltage release also acts to make the free tripping mechanism act, the manual control of circuit breaking and passage is realized by a manual control handle 2, the pressurization scraper 3 is configured in the wiring indication area 4 of the miniature circuit breaker of the novel on-column reactive compensation device, when the miniature circuit breaker needs to be checked and maintained, the pressurization scraper can be pushed to the right gradually by pressing the finger pressing groove 9 on the outer wall of the pressing scraper 8, and dust at the bottom of the groove of the wiring indication area 4 can be cleaned by the dust removing blade 11 installed on the pressing scraper 8, so that a wiring line diagram attached to the wiring indication area 4 is exposed, and the line connection condition of a controlled working mechanism can be known by observing the wiring line diagram in the wiring indication area 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a miniature circuit breaker of reactive power compensator on post, includes thermoplastic insulation casing (1) and control handle (2) that opens circuit, its characterized in that: the circuit-breaking control handle (2) is installed on the outer wall of the front end of the thermoplastic insulating shell (1), a wiring indication area (4) is arranged on the outer wall of the front end of the thermoplastic insulating shell (1) on the upper side of the circuit-breaking control handle (2), limiting sliding grooves (7) are formed in the outer wall of the front end of the thermoplastic insulating shell (1) on the upper side and the lower side of the wiring indication area (4), a pressurizing scraper (3) is arranged in the inner wall of the left end of the wiring indication area (4), a pressing scraper (8) is arranged on the pressurizing scraper (3), a finger groove (9) is formed in the outer wall of the pressing scraper (8), fixing clamping feet (12) are arranged at the upper end and the lower end of the pressing scraper (8), a dust-removing blade (11) extending rightwards is arranged in the pressing scraper (8), and the dust-removing blade (11) is fixedly connected with the pressing scraper (8) through a mounting screw, the upper end and the lower end of the dedusting blade (11) are provided with fixed clamping pieces (13).

2. A miniature circuit interrupting device for a reactive power compensator on a pole as claimed in claim 1 wherein: the connecting terminal (6) is arranged on the outer wall of the upper end of the thermoplastic insulating shell (1), and a fastening screw (5) is arranged on the outer wall of the front side, close to the upper end, of the thermoplastic insulating shell (1).

3. A miniature circuit interrupting device for a reactive power compensator on a pole as claimed in claim 1 wherein: the dust removal blade (11) is of a U-shaped structure, and the right end of the dust removal blade (11) is bent inwards and attached to the inner wall of the bottom of the wiring indicating area (4).

4. A miniature circuit interrupting device for a reactive power compensator on a pole as claimed in claim 1 wherein: the inside jack that is provided with the opening right in the upper and lower both ends of pressing scraper blade (8), fixed clamping piece (13) at both ends insert from the jack and press in scraper blade (8) about dust removal blade (11).

5. A miniature circuit interrupting device for a reactive power compensator on a pole as claimed in claim 1 wherein: the finger pressing groove (9) is arranged in the center of the outer wall of the front end of the pressing scraper (8), and anti-skid corrugations are arranged in the pressing scraper (8).

6. A miniature circuit interrupting device for a reactive power compensator on a pole as claimed in claim 1 wherein: the fixing clamping feet (12) at the upper end and the lower end of the pressing scraper (8) are outwards tilted and respectively clamped in the limiting sliding grooves (7) at the upper side and the lower side.