CN213072124U

CN213072124U - Reactive power compensation device of power capacitor

Info

Publication number: CN213072124U
Application number: CN202022255154.9U
Authority: CN
Inventors: 王振波; 刘亮; 郝岸鹏; 张立其
Original assignee: Hebei Hongyang Chuangneng Power Technology Co ltd
Current assignee: Hebei Hongyang Chuangneng Power Technology Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-04-27
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a power capacitor reactive power compensator, the device comprises a device body, the device body includes protection seat, protecting crust and compensation electric capacity, the upper surface joint of protection seat has the protecting crust, it has compensation electric capacity to peg graft between protection seat and the protecting crust, the last bolt hole that begins of protection seat, the mounting groove that switches on each other with the bolt hole is seted up to protection seat upper surface, the inside body of rod that passes through of mounting groove rotates and is connected with the cardboard, cardboard bottom lateral wall welding has the spring. The utility model discloses in, through the setting of heat dissipation mechanism for the device drives the pivot rotation at the in-process servo motor that uses, takes the inside hot-air of protecting crust out under the effect of flabellum, and the setting of shock attenuation lug simultaneously makes compensation electric capacity cushion the impact force when receiving the striking, increases the interval between control electric capacity and the protecting crust simultaneously, improves the radiating effect, and for traditional power capacitor, the device has improved the practicality.

Description

Reactive power compensation device of power capacitor

Technical Field

The utility model relates to a power capacitor technical field especially relates to a power capacitor reactive power compensator.

Background

The size of capacitor is determined by the geometrical size and the characteristics of insulating medium between two polar plates, when the capacitor is used under AC voltage, the capacity of the capacitor is often expressed by its reactive power, and the unit is dead or kilo-dead.

The existing reactive power compensation device of the power capacitor is not provided with a heat dissipation device, when the operating temperature of the reactive power compensation device is higher than 70 ℃, expansion explosion is easy to occur, potential safety hazards are easy to cause, and a protective shell arranged on the existing reactive power compensation device of the power capacitor is easy to damage in the using process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a reactive power compensation device of a power capacitor.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a reactive power compensation device of a power capacitor comprises a device body, wherein the device body comprises a protective seat, a protective shell and a compensation capacitor, the protective shell is clamped on the upper surface of the protective seat, and the compensation capacitor is inserted between the protective seat and the protective shell;

the protective seat is provided with a bolt hole, the upper surface of the protective seat is provided with a mounting groove which is communicated with the bolt hole, a clamping plate is rotatably connected inside the mounting groove through a rod body, one side wall of the bottom end of the clamping plate is welded with a spring, the other end of the spring is welded with a lug which is in sliding connection with the mounting groove, and a heat dissipation mechanism is fixed on a bolt at the center of the protective seat;

the lower surface of the protective shell is provided with a clamping groove matched with the clamping plate for use, the inner surface wall of the protective shell is bonded with a damping lug, the upper surface of the protective shell starts to be provided with a tertiary hole, and one side of the upper surface of the protective shell, which is positioned at the tertiary hole, is provided with a ground level hole;

the heat dissipation mechanism comprises a mounting seat and fan blades, the fan blades are connected to the center of the inner surface wall of the mounting seat through a rotating shaft in a rotating mode, and the flange plate is welded to the outer surface wall of the mounting seat.

Preferably, the lower surface of the mounting seat is embedded with a servo motor, and an output shaft of the servo motor is rotatably connected with the rotating shaft through a coupler.

Preferably, the outer wall of the protective shell is provided with a plurality of air inlets, and the distance between every two adjacent air inlets is equal.

Preferably, the damping convex blocks are provided with a plurality of damping convex blocks, and the plurality of damping convex blocks and the air inlet holes are in a mutually staggered structure.

Preferably, the mounting grooves are provided in total in two, and the two mounting grooves are symmetrical to each other with respect to the servo motor.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, this power capacitor reactive power compensator, through the setting of heat dissipation mechanism for the device drives the pivot rotation at the in-process servo motor that uses, takes the inside hot-air of protecting crust out under the effect of flabellum, and the setting of shock attenuation lug simultaneously makes compensation electric capacity cushion the impact force when receiving the striking, increases the interval between control electric capacity and the protecting crust simultaneously, improves the radiating effect, and for traditional power capacitor, the device has improved the practicality.

2. The utility model discloses in, this power capacitor reactive power compensator, protection seat and protecting crust are detachable construction, during the installation protection seat, insert the bolt downthehole, the lug receives the back displacement after the pressure for the spring deformation shrink, the cardboard is fixed with the mutual joint in joint groove under the effect of lever, thereby has improved the device and has dismantled or installed convenient convenience.

Drawings

Fig. 1 is a schematic structural diagram of a reactive power compensation device of a power capacitor according to the present invention;

fig. 2 is a cross-sectional view of a reactive power compensation device of a power capacitor provided by the present invention;

fig. 3 is the utility model provides a power capacitor reactive power compensator's heat dissipation mechanism structure sketch map.

Illustration of the drawings:

1. a device body; 2. a protective seat; 21. mounting grooves; 22. a bump; 23. a spring; 24. clamping a plate; 25. a rod body; 26. bolt holes; 3. a protective shell; 31. an air inlet; 32. a shock absorbing bump; 33. a grade hole; 34. a tertiary hole; 35. a clamping groove; 4. a compensation capacitor; 5. a heat dissipation mechanism; 51. a servo motor; 52. a mounting seat; 53. a rotating shaft; 54. a fan blade; 55. a flange plate.

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; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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. 1-3, a reactive power compensation device of a power capacitor comprises a device body 1, wherein the device body 1 comprises a protective seat 2, a protective shell 3 and a compensation capacitor 4, the protective shell 3 is clamped on the upper surface of the protective seat 2, and the compensation capacitor 4 is inserted between the protective seat 2 and the protective shell 3;

a bolt hole 26 is formed in the protective seat 2, an installation groove 21 communicated with the bolt hole 26 is formed in the upper surface of the protective seat 2, a clamping plate 24 is rotatably connected to the inside of the installation groove 21 through a rod body 25, a spring 23 is welded to one side wall of the bottom end of the clamping plate 24, a convex block 22 connected with the installation groove 21 in a sliding mode is welded to the other end of the spring 23, and a heat dissipation mechanism 5 is fixed to a bolt in the center of the protective seat 2;

the lower surface of the protective shell 3 is provided with a clamping groove 35 matched with the clamping plate 24 for use, the inner surface wall of the protective shell 3 is bonded with a damping lug 32, the upper surface of the protective shell 3 starts to be provided with a third-level hole 34, and one side of the upper surface of the protective shell 3, which is positioned at the third-level hole 34, is provided with a ground-level hole 33;

the heat dissipation mechanism 5 comprises a mounting seat 52 and fan blades 54, the fan blades 54 are rotatably connected to the center of the inner surface wall of the mounting seat 52 through a rotating shaft 53, and a flange 55 is welded to the outer surface wall of the mounting seat 52.

The lower surface of the mounting seat 52 is embedded with a servo motor 51, and an output shaft of the servo motor 51 is rotatably connected with a rotating shaft 53 through a coupler.

The outer wall of the protective shell 3 is provided with a plurality of air inlets 31, and the distance between two adjacent air inlets 31 is equal.

The damping protrusions 32 are provided with a plurality of damping protrusions 32, and the plurality of damping protrusions 32 and the air inlet holes 31 are in a mutually staggered structure.

The mounting grooves 21 are provided in total in two, and the two mounting grooves 21 are symmetrical to each other about the servo motor 51.

Shock attenuation lug 32 is deformable structure, and when protecting crust 3 received the striking, shock attenuation lug 32 deformation shrink absorbed the impact force, protects compensation electric capacity 4, and under shock attenuation lug 32's effect, the interval between compensation electric capacity 4 and the protecting crust 3 can also be increased simultaneously, has improved the radiating effect.

The device body 1 is installed in a suspended mode, and the air inside the protective shell 3 is pumped out through the bottom of the device body provided with the heat dissipation mechanism 5 to dissipate heat of the compensation capacitor 4.

The working principle is as follows: when this power capacitor reactive power compensator uses, during the installation, place compensating capacitor 4 at protection seat 2 upper surface, with 3 joints of protecting sheathing at protection seat 2 upper surface, make cardboard 24 postpone to joint groove 35 inside, and fix protection seat 2 on the mounting bracket through the bolt, in bolt screw in bolt hole 26, lug 22 receives back displacement after pressure, spring 23 shrink, cardboard 24 is fixed with the mutual joint in joint groove 35 under lever principle, make protection seat 2 and protecting sheathing 3 structure as an organic whole, when using, compensating capacitor 4 produces the heat, open servo motor 51 and drive pivot 53 and rotate, cooperate inlet port 31 to dispel the heat to compensating capacitor 4 under the effect of flabellum 54.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A reactive power compensation device of a power capacitor comprises a device body (1), and is characterized in that the device body (1) comprises a protective seat (2), a protective shell (3) and a compensation capacitor (4), the protective shell (3) is connected to the upper surface of the protective seat (2) in a clamping manner, and the compensation capacitor (4) is inserted between the protective seat (2) and the protective shell (3);

a bolt hole (26) is formed in the protective seat (2), an installation groove (21) communicated with the bolt hole (26) is formed in the upper surface of the protective seat (2), a clamping plate (24) is rotatably connected to the inside of the installation groove (21) through a rod body (25), a spring (23) is welded to one side wall of the bottom end of the clamping plate (24), a convex block (22) connected with the installation groove (21) in a sliding mode is welded to the other end of the spring (23), and a heat dissipation mechanism (5) is fixed to the center of the protective seat (2) through a bolt;

a clamping groove (35) matched with the clamping plate (24) for use is formed in the lower surface of the protective shell (3), a damping lug (32) is bonded to the inner surface wall of the protective shell (3), a third-level hole (34) is formed in the upper surface of the protective shell (3), and a ground-level hole (33) is formed in one side, located on the third-level hole (34), of the upper surface of the protective shell (3);

the heat dissipation mechanism (5) comprises a mounting seat (52) and fan blades (54), the fan blades (54) are rotatably connected to the center of the inner surface wall of the mounting seat (52) through a rotating shaft (53), and a flange plate (55) is welded to the outer surface wall of the mounting seat (52).

2. A power capacitor reactive power compensation device according to claim 1, wherein a servo motor (51) is embedded in the lower surface of the mounting seat (52), and the output shaft of the servo motor (51) is rotatably connected with the rotating shaft (53) through a shaft coupling.

3. A power capacitor reactive power compensation device according to claim 1, wherein an air inlet (31) is provided on an outer surface of the protective shell (3), a plurality of air inlets (31) are provided, and the distance between two adjacent air inlets (31) is equal.

4. A power capacitor reactive power compensation device according to claim 1, wherein a plurality of damping projections (32) are provided, and a plurality of damping projections (32) and the air inlet holes (31) are in a staggered structure.

5. A power capacitor reactive power compensation device according to claim 1, characterized in that there are two mounting slots (21) and that the two mounting slots (21) are symmetrical to each other with respect to the servo motor (51).