CN211428105U

CN211428105U - Fuse circuit breaker

Info

Publication number: CN211428105U
Application number: CN202020299004.5U
Authority: CN
Inventors: 王海广
Original assignee: Henan Ruibo Electric Co ltd
Current assignee: Henan Ruibo Electric Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-09-04
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses a fuse circuit breaker, which comprises a housin, the equal fixedly connected with support column of casing top four corners position and support column top fixedly connected with canopy, bottom rear end fixedly connected with a plurality of air discharge fan in the casing, be provided with a plurality of drier in the middle of the bottom in the casing in tray and the tray, baffle top fixedly connected with insulation board, the insulation board top is provided with the circuit breaker main part, the three utmost point post of circuit breaker main part top fixedly connected with. The utility model discloses in, not only can prevent through casing and canopy that the circuit breaker directly exposes the erosion that receives steam in the air, can also prevent that rain or snow from getting into and cause the erosion to the circuit breaker in the casing, very big reduction the circuit breaker fault rate, can make through air discharge fan and drier in addition and remain the drying throughout in the casing, the life of greatly increased circuit breaker is worth wideling popularize.

Description

Fuse circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field especially relates to a fuse circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying and opening a current under a normal circuit condition and closing, and carrying and opening a current under an abnormal circuit condition within a prescribed time, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to its use range, the circuit breaker can be used to distribute electric energy, an asynchronous motor is not frequently started, a power supply line, a motor and the like are protected, a circuit can be automatically cut off when a fault such as a serious overload or a short circuit or an undervoltage occurs, the circuit breaker functions as a combination of a fuse type switch and an over-under-heat relay, and parts do not need to be changed after the fault current, and at present, the circuit breaker has been widely used.

Common one and two times of fuse circuit breaker in the market at present is when using, directly exposes in the air, and the steam in the air causes the erosion to the circuit breaker very easily, especially under sleet weather environment, makes the circuit breaker receive the erosion more easily, not only causes the circuit breaker trouble easily, also can shorten the life of circuit breaker greatly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the fusion circuit breaker who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a fusion circuit breaker comprises a shell, wherein four corners of the top of the shell are fixedly connected with support columns, the tops of the support columns are fixedly connected with a canopy, the rear end of the bottom in the shell is fixedly connected with a plurality of exhaust fans, a tray is arranged in the middle of the bottom in the shell, a plurality of drying agents are arranged in the tray, a baffle is fixedly connected with the lower portion in the shell, an insulation board is fixedly connected with the top of the baffle, a breaker main body is arranged at the top of the insulation board, three pole columns are fixedly connected with the top of the breaker main body, outlet connecting terminals are fixedly connected with the top ends of the pole columns and extend upwards through the top of the shell, a current transformer is fixedly connected with the rear end of the middle of each pole column, inlet connecting terminals are fixedly connected with, one side of the front end of the breaker main body is provided with an energy storage operating handle, and the middle part of the front end of the breaker main body is provided with a switching-on/off operating handle.

As a further description of the above technical solution:

the canopy top is upwards convex arc and canopy bottom outwards extends the support column top all around.

As a further description of the above technical solution:

the baffle is internally provided with air holes which are uniformly distributed and penetrate through the upper end and the lower end of the baffle.

As a further description of the above technical solution:

the circuit breaker main part both sides bottom all fixedly connected with fixed plate and fixed plate all pass through bolt and insulation board interconnect.

As a further description of the above technical solution:

and the outer diameters of the upper part and the lower part of the pole are fixedly connected with porcelain sleeves.

As a further description of the above technical solution:

the circuit breaker main part front end is at energy storage operating handle below fixedly connected with energy storage signboard and circuit breaker main part front end opposite side is provided with deciliter signboard and mechanical pointer.

As a further description of the above technical solution:

the front end of the shell is connected with one side of the door panel through two hinges, and the other side of the door panel is provided with a door lock.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first install the circuit breaker in the casing, seal the casing through the door plant again to be provided with the canopy at the casing top, not only can prevent like this that the circuit breaker from directly exposing the erosion that receives steam in the air, can also prevent that rain or snow from getting into and cause the erosion to the circuit breaker in the casing, very big reduction the circuit breaker fault rate, make circuit breaker life also greatly increased.

2. The utility model discloses in, be provided with a plurality of air discharge fans on the lateral wall of casing bottom rear end, can take away steam with air escape in the casing through the air discharge fan to the drier has been placed in the tray of bottom in the casing, steam in can absorbing the casing through the drier, just so can make and remain the drying throughout in the casing, prevent that the circuit breaker from receiving steam erosion and causing the trouble, thereby greatly increased circuit breaker's life is worth wideling popularize.

Drawings

Fig. 1 is a front view of a fused circuit breaker according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

fig. 4 is a side view of a fused circuit breaker according to the present invention;

fig. 5 is an appearance schematic diagram of the fusion breaker provided by the utility model.

Illustration of the drawings:

1. a housing; 2. a support pillar; 3. a canopy; 4. a partition plate; 5. a circuit breaker main body; 6. a pole column; 7. a porcelain bushing; 8. a wire outlet connecting terminal; 9. an exhaust fan; 10. a tray; 11. a desiccant; 12. an insulating plate; 13. air holes are formed; 14. an energy storage operating handle; 15. a switching-on/off operation handle; 16. an energy storage signboard; 17. dividing and combining the signboard; 18. a mechanical pointer; 19. a fixing plate; 20. a bolt; 21. a current transformer; 22. a wire inlet connecting terminal; 23. a door panel.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: a fusion circuit breaker comprises a shell 1, wherein four corners of the top of the shell 1 are fixedly connected with support columns 2, the top of each support column 2 is fixedly connected with a rain shed 3, the rain shed 3 can block rain and snow, the rear end of the bottom in the shell 1 is fixedly connected with a plurality of exhaust fans 9, the exhaust fans 9 can exhaust air in the shell 1 and take away water vapor, the middle of the bottom in the shell 1 is provided with a tray 10, a plurality of drying agents 11 are arranged in the tray 10, the drying agents 11 can absorb residual water vapor in the shell 1, the corrosion of the circuit breaker caused by the water vapor in the shell 1 can be prevented through the double effects of the exhaust fans 9 and the drying agents 11, the lower part in the shell 1 is fixedly connected with a partition plate 4, the top of the partition plate 4 is fixedly connected with an insulation plate 12, the top of the insulation plate 12 is provided with a circuit breaker main body 5, the top of the circuit breaker main body, 6 equal fixedly connected with current transformer 21 in middle part rear end of utmost point post, the equal fixedly connected with inlet wire connecting terminal 22 in current transformer 21 rear end and inlet wire connecting terminal 22 all run through casing 1 rear end lateral wall and outwards extend, and 5 front end one side of circuit breaker main part are provided with energy

storage operating handle

14 and 5 front end middle parts of circuit breaker main part are provided with divide-shut brake operating handle 15, can control the use of circuit breaker through energy storage operating handle 14 and divide-shut brake operating handle 15.

The top of canopy 3 is for upwards convex arc and 3 bottoms of canopy outwards extend support column 2 tops all around, the top arc can prevent that sleet from piling up at 3 tops of canopy, the bottom of outside extension department can increase the area that canopy 3 hides rain, and be provided with evenly distributed's bleeder vent 13 and bleeder vent 13 in the baffle 4 and all run through baffle 4 upper and lower both ends, bleeder vent 13 can make baffle 4 upper and lower air circulation each other, and equal fixedly connected with fixed plate 19 in 5 both sides bottom of circuit breaker main part 5 and fixed plate 19 all pass through bolt 20 and insulation board 12 interconnect, can install on insulation board 12 that fixed plate 19 is firm through bolt 20, and then install on insulation board 12 that circuit breaker main part 5 is firm, equal fixedly connected with insulator 7 in utmost point 6 upper portion and lower part external diameter department in addition, and circuit breaker main part 5 front end is provided with signboard 17 and machinery sign 16 in energy storage handle 14 below fixedly connected with energy storage signboard 16 and circuit breaker main part 5 front end opposite side Pointer 18 can mark the operating position of energy storage operating handle 14 through energy storage signboard 16, can mark the operating position of divide-shut brake operating handle 15 through divide-shut signboard 17 and mechanical pointer 18, and casing 1 front end is provided with the lock through two hinges and door plant 23 one side interconnect and door plant 23 opposite side, can constitute enclosed construction through casing 1 and door plant 23.

The working principle is as follows: at first install fixed plate 19 on insulation board 12 through bolt 20, can install the circuit breaker in casing 1, then close door plant 23 after seal the circuit breaker in casing 1, can prevent that the circuit breaker from exposing in the air, and can also prevent rain and snow from corroding the circuit breaker through canopy 3, then start air discharge fan 9 and all discharge the air in casing 1 and take away steam through bleeder vent 13, absorb remaining steam through drier 11 simultaneously, make and keep dry in the casing 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A fused circuit breaker comprising a case (1), characterized in that: the solar air conditioner is characterized in that support columns (2) are fixedly connected to four corners of the top of the shell (1) respectively, a rain shed (3) is fixedly connected to the tops of the support columns (2), a plurality of exhaust fans (9) are fixedly connected to the rear end of the bottom of the shell (1), a tray (10) is arranged in the middle of the bottom of the shell (1), a plurality of drying agents (11) are arranged in the tray (10), a partition plate (4) is fixedly connected to the inner lower portion of the shell (1), an insulation plate (12) is fixedly connected to the top of the partition plate (4), a breaker main body (5) is arranged at the top of the insulation plate (12), three pole columns (6) are fixedly connected to the top of the breaker main body (5), outgoing line connecting terminals (8) are fixedly connected to the top of the pole columns (6) respectively and extend upwards through the top of the shell (1), and, equal fixedly connected with inlet wire connecting terminal (22) in current transformer (21) rear end and inlet wire connecting terminal (22) all run through casing (1) rear end lateral wall and outwards extend, circuit breaker main part (5) front end one side is provided with energy storage operating handle (14) and circuit breaker main part (5) front end middle part is provided with divide-shut brake operating handle (15).

2. The convergence circuit breaker of claim 1, wherein: the top of the canopy (3) is an upward convex arc, and the periphery of the bottom of the canopy (3) extends outwards to form the top end of the support column (2).

3. The convergence circuit breaker of claim 1, wherein: air holes (13) which are uniformly distributed are formed in the partition plate (4), and the air holes (13) penetrate through the upper end and the lower end of the partition plate (4).

4. The convergence circuit breaker of claim 1, wherein: the circuit breaker is characterized in that the bottoms of the two sides of the circuit breaker main body (5) are fixedly connected with fixing plates (19), and the fixing plates (19) are connected with the insulating plates (12) through bolts (20).

5. The convergence circuit breaker of claim 1, wherein: and the outer diameters of the upper part and the lower part of the pole (6) are fixedly connected with porcelain sleeves (7).

6. The convergence circuit breaker of claim 1, wherein: the front end of the breaker main body (5) is fixedly connected with an energy storage signboard (16) below the energy storage operating handle (14) and the other side of the front end of the breaker main body (5) is provided with a separation and combination signboard (17) and a mechanical pointer (18).

7. The convergence circuit breaker of claim 1, wherein: the front end of the shell (1) is connected with one side of the door panel (23) through two hinges, and a door lock is arranged on the other side of the door panel (23).