CN112259408A

CN112259408A - High-performance vacuum circuit breaker

Info

Publication number: CN112259408A
Application number: CN201910606641.4A
Authority: CN
Inventors: 夭荣龙
Original assignee: XUZHOU YILEI ELECTRICAL APPLIANCE TECHNOLOGY CO LTD
Current assignee: XUZHOU YILEI ELECTRICAL APPLIANCE TECHNOLOGY CO LTD
Priority date: 2019-07-06
Filing date: 2019-07-06
Publication date: 2021-01-22

Abstract

The invention discloses a high-performance vacuum circuit breaker, which comprises a box body, wherein heat dissipation ports are formed in the left side and the right side of the box body, two support rods are symmetrically arranged on the right side of the top of the inner wall of the box body, the bottoms of the two support rods are fixedly connected through a vacuum circuit breaker body, a slide rod is fixedly connected to the left side of the top of the inner wall of the box body, and a baffle is fixedly connected to the bottom of the slide rod. According to the invention, through the mutual cooperation of the box body, the heat dissipation port, the support rod, the vacuum circuit breaker body, the slide rod, the baffle, the slider, the heat dissipation motor, the heat dissipation rotating shaft, the heat dissipation blades, the first fixing rod, the rolling bearing, the driven rotating shaft, the disc, the second fixing rod, the connecting rod, the driving motor, the driving rotating shaft, the driving gear and the driven gear, the effect of good heat dissipation effect is realized, the heat of the vacuum circuit breaker can be dissipated more quickly and better, the normal use of the vacuum circuit breaker is ensured, and the service life of the high-performance vacuum circuit breaker is prolonged.

Description

High-performance vacuum circuit breaker

Technical Field

The invention relates to the technical field of power equipment, in particular to a high-performance vacuum circuit breaker.

Background

The modern construction of cities and towns and the improvement of the living standard of people greatly increase the demand on electric power. Statistics show that as the power industry develops, the demand for vacuum circuit breakers increases at a rate of 10% to 15% each year. The circuit breaker is a core component of the switch cabinet, and the product level and the manufacturing quality of the circuit breaker directly influence the safety and reliability of a power grid, the production efficiency of industrial users and the life quality of residents. In a 10kV voltage class, the using amount of the vacuum circuit breakers accounts for more than 98% of the total amount of the circuit breakers, and with the rapid development of national economy, the demand amount of the vacuum circuit breakers required by a power transmission and distribution line is larger and larger.

Along with the capacity of the power used by the user is bigger and bigger, the heating of the vacuum circuit breaker is more and more serious, the heating is the potential maximum danger of the vacuum circuit breaker, if the heat can not be dissipated in time, the consequence can not be imagined, the existing high-performance vacuum circuit breaker is only a simple heat dissipation port designed for the box body when in use, the heat dissipation effect is poor, the heat of the vacuum circuit breaker can not be dissipated better and faster, and the service life of the high-performance vacuum circuit breaker is greatly shortened.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a high-performance vacuum circuit breaker.

The technical scheme adopted by the invention for realizing the purpose is as follows: a high-performance vacuum circuit breaker comprises a box body, wherein heat dissipation ports are formed in the left side and the right side of the box body, two support rods are symmetrically arranged on the right side of the top of the inner wall of the box body, the bottoms of the two support rods are fixedly connected through a vacuum circuit breaker body, a slide rod is fixedly connected to the left side of the top of the inner wall of the box body, a baffle is fixedly connected to the bottom of the slide rod, a slide block is slidably connected to the bottom of the surface of the slide rod, a heat dissipation motor is fixedly connected to the right side of the slide block, a heat dissipation rotating shaft is fixedly connected to an output shaft of the heat dissipation motor, a heat dissipation blade is fixedly connected to the right end of the heat dissipation rotating shaft, a first fixing rod is fixedly connected to the inner wall of a right, the right-hand member of driven rotating shaft runs through antifriction bearing and extends to its outside fixedly connected with disc, the bottom fixedly connected with second dead lever on disc right side, through connecting rod swing joint between first dead lever and the second dead lever, the left bottom fixedly connected with driving motor of box, fixedly connected with drive pivot on driving motor's the output shaft, the right-hand member of drive pivot runs through the box and extends to its inside fixedly connected with driving gear, the driven rotating shaft surface just corresponds the position fixedly connected with of driving gear rather than the driven gear that the cooperation was used.

And the inner wall of the heat dissipation port is fixedly connected with a dust screen.

The top of the supporting rod is fixedly connected with the top of the inner wall of the box body.

The bottom of the sliding block is in contact with the top of the baffle.

The driving gear and the driven gear are meshed with each other.

The invention has the beneficial effects that:

1. according to the invention, through the mutual cooperation of the box body, the heat dissipation port, the support rod, the vacuum circuit breaker body, the slide rod, the baffle, the slider, the heat dissipation motor, the heat dissipation rotating shaft, the heat dissipation blades, the first fixing rod, the rolling bearing, the driven rotating shaft, the disc, the second fixing rod, the connecting rod, the driving motor, the driving rotating shaft, the driving gear and the driven gear, the effect of good heat dissipation effect is realized, the heat of the vacuum circuit breaker can be dissipated more quickly and better, the normal use of the vacuum circuit breaker is ensured, and the service life of the high-performance vacuum circuit breaker is prolonged.

2. The dust-proof net is arranged to prevent dust from entering the box body.

Drawings

FIG. 1 is a structural cross-sectional view in elevation of the present invention;

fig. 2 is a schematic structural view of a front view of the present invention.

In the figure: the vacuum circuit breaker comprises a box body 1, a heat dissipation port 2, a support rod 3, a vacuum circuit breaker body 4, a sliding rod 5, a baffle 6, a sliding block 7, a heat dissipation motor 8, a heat dissipation rotating shaft 9, a heat dissipation blade 10, a first fixing rod 11, a rolling bearing 12, a driven rotating shaft 13, a disk 14, a second fixing rod 15, a connecting rod 16, a driving motor 17, a driving rotating shaft 18, a driving gear 19, a driven gear 20 and a dust screen 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a high performance vacuum circuit breaker includes a case 1, heat dissipating ports 2 are formed on both left and right sides of the case 1, a dust screen 21 is fixedly connected to an inner wall of the heat dissipating port 2, and by arranging the dust screen 21, dust is prevented from entering the inside of the case 1, two support rods 3 are symmetrically arranged on the right side of the top of the inner wall of the case 1, tops of the support rods 3 are fixedly connected to the top of the inner wall of the case 1, bottoms of the two support rods 3 are fixedly connected to a vacuum circuit breaker body 4, a slide rod 5 is fixedly connected to the left side of the top of the inner wall of the case 1, a baffle 6 is fixedly connected to the bottom of the slide rod 5, a slide block 7 is slidably connected to the bottom of the slide block 5, the top of the slide block 7 is in contact with the top of the baffle 6, a heat radiation blade 10 is fixedly connected with the right end of the heat radiation rotating shaft 9, a first fixed rod 11 is fixedly connected with the inner wall of a groove at the right side of the bottom of the slide block 7, a rolling bearing 12 is fixedly connected with the left side of the inner wall of the box body 1 and positioned in the groove below the heat radiation opening 2, a driven rotating shaft 13 is movably connected with the inside of the rolling bearing 12, the right end of the driven rotating shaft 13 penetrates through the rolling bearing 12 and extends to the outside of the rolling bearing 14, a second fixed rod 15 is fixedly connected with the bottom at the right side of the disc 14, the first fixed rod 11 and the second fixed rod 15 are movably connected through a connecting rod 16, a driving motor 17 is fixedly connected with the bottom at the left side of the box body 1, a driving rotating shaft 18 is fixedly connected with an output shaft of the driving motor 17, the right end of the driving rotating, intermeshing between driving gear 19 and the driven gear 20, through box 1, thermovent 2, bracing piece 3, vacuum circuit breaker body 4, slide bar 5, baffle 6, slider 7, heat dissipation motor 8, heat dissipation pivot 9, radiator vane 10, first dead lever 11, antifriction bearing 12, driven shaft 13, disc 14, second dead lever 15, connecting rod 16, driving motor 17, drive pivot 18, driving gear 19 and driven gear 20 mutually support, the effect that the radiating effect is good has been realized, can be faster better with vacuum circuit breaker's heat effluvium, vacuum circuit breaker normal use has been ensured, high performance vacuum circuit breaker's life has been improved.

The working principle of the invention is as follows: during the use, start driving motor 17 and heat dissipation motor 8, it is rotatory to drive pivot 18 and driving gear 19 in proper order by driving motor 17, thereby drive driven gear 20 in proper order by driving gear 19, driven pivot 13, disc 14 and second dead lever 15 are rotatory, thereby second dead lever 15 drives first dead lever 11 in proper order through connecting rod 16, slider 7, heat dissipation motor 8, the continuous up-and-down back and forth movement of heat dissipation pivot 9 and radiator vane 10, thereby blow the heat dissipation to vacuum circuit breaker body 4 by radiator vane 10, make radiator vane 10 wider to vacuum circuit breaker body 4's face of action simultaneously, the convenient heat dissipation, make the heat can be faster to radiate from thermovent 2.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a high performance vacuum circuit breaker, includes box (1), its characterized in that: thermovent (2) have all been seted up to the left and right sides of box (1), the right side symmetry at box (1) inner wall top is provided with two bracing pieces (3), and vacuum circuit breaker body (4) fixed connection is passed through to the bottom of two bracing pieces (3), left side fixedly connected with slide bar (5) at box (1) inner wall top, bottom fixedly connected with baffle (6) of slide bar (5), the bottom sliding connection on slide bar (5) surface has slider (7), the right side fixedly connected with heat dissipation motor (8) of slider (7), fixedly connected with heat dissipation pivot (9) on the output shaft of heat dissipation motor (8), right-hand member fixedly connected with radiator vane (10) of heat dissipation pivot (9), fixedly connected with first dead lever (11) on the inner wall of slider (7) bottom right side recess, box (1) inner wall left side and be located the recess fixedly connected with antifriction bearing of thermovent (2) below (12) The interior of the rolling bearing (12) is movably connected with a driven rotating shaft (13), the right end of the driven rotating shaft (13) penetrates through the rolling bearing (12) and extends to the outside of the rolling bearing to be fixedly connected with a disc (14), the bottom of the right side of the disc (14) is fixedly connected with a second fixed rod (15), the first fixed rod (11) and the second fixed rod (15) are movably connected through a connecting rod (16), the bottom of the left side of the box body (1) is fixedly connected with a driving motor (17), the output shaft of the driving motor (17) is fixedly connected with a driving rotating shaft (18), the right end of the driving rotating shaft (18) penetrates through the box body (1) and extends to the interior of the box body to be fixedly connected with a driving gear (19), and a driven gear (20) matched with the driven rotating shaft (13) is fixedly connected to the surface of the driven rotating shaft (13) and corresponds to the position of the driving gear (19).

2. A high performance vacuum interrupter as claimed in claim 1, wherein: and the inner wall of the heat dissipation port (2) is fixedly connected with a dustproof net (21).

3. A high performance vacuum interrupter as claimed in claim 1, wherein: the top of the supporting rod (3) is fixedly connected with the top of the inner wall of the box body (1).

4. A high performance vacuum interrupter as claimed in claim 1, wherein: the bottom of the sliding block (7) is in contact with the top of the baffle (6).

5. A high performance vacuum interrupter as claimed in claim 1, wherein: the driving gear (19) and the driven gear (20) are meshed with each other.