CN214413188U

CN214413188U - Power station generator excitation adjusting device

Info

Publication number: CN214413188U
Application number: CN202023292542.0U
Authority: CN
Inventors: 苑承龙; 赵秋石; 胡伟峰
Original assignee: Bikou Waterpower Power Plant Of Datang Gansu Generating Co ltd
Current assignee: Bikou Waterpower Power Plant Of Datang Gansu Generating Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-15
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a power station generator excitation adjusting device, involve excitation adjusting device field, which comprises a housin, the casing is top open-ended rectangle box structure, the top opening of casing has the closing cap through the fix with screw, the inside bottom of casing is equipped with transverse baffle, transverse baffle separates into the negative pressure wind chamber with the lower extreme of casing, the fixed rubber pad that is equipped with in bottom of casing, the bottom of casing is equipped with the multiunit negative pressure that runs through the rubber pad and communicate negative pressure wind chamber and inhales the hole, the casing is inhaled the hole through the negative pressure and is adsorbed the surface of fixing at generator housing, the adsorbable arbitrary enough installation of inside and outside surface and the normal use position of fixing at generator housing of casing, and make things convenient for the dismouting and install the sharing use of realization on different generators.

Description

Power station generator excitation adjusting device

Technical Field

The utility model relates to an excitation adjusting device field, in particular to power station generator excitation adjusting device.

Background

The excitation regulator of the self-shunt static rectification excitation system is developed from a semiconductor discrete element to an integrated solid component and from an analog mode to a digital mode. The domestic devices can be divided into three categories, namely semiconductor analog excitation regulators, microcomputer (including programmable controllers) digital excitation regulators, hybrid microcomputer (including programmable controllers) analog excitation regulators and the like. The domestic semiconductor excitation regulator has been exported in the early 70 s.

In the prior art, the excitation adjusting device is usually fixedly installed on a shell of the generator, and can not be detached according to actual requirements and replaced with excitation adjusting devices of different generators, so that the use limitation is large. Therefore, it is necessary to invent a hydropower station generator excitation adjusting device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power station generator excitation adjusting device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hydropower station generator excitation adjusting device comprises a shell, wherein the shell is of a rectangular box structure with an upper opening, a seal cover is fixed on the upper opening of the shell through screws, a transverse partition plate is arranged at the bottom end inside the shell and divides the lower end of the shell into a negative pressure air cavity, a rubber pad is fixed at the bottom of the shell, a plurality of groups of negative pressure suction holes penetrating through the rubber pad and communicated with the negative pressure air cavity are formed in the bottom of the shell, the shell is adsorbed and fixed on the surface of a generator shell through the negative pressure suction holes, a plurality of groups of vertical partition plates are fixed on the upper surface of the transverse partition plate and the lower surface of the seal cover, the vertical partition plates are distributed in a staggered manner and divide the interior of the shell into a circulating channel, an air suction unit communicated with the negative pressure air cavity is arranged on the upper surface on the left side of the transverse partition plate, and a discharge pipeline communicated with the circulating channel is arranged at the right end of the seal cover, the surface of the generator shell is provided with air holes, and one side of the shell is provided with a pipeline connecting device butted with the air holes.

Preferably, the surface of the vertical partition plate is fixedly welded with a connecting plate for mounting the excitation regulator of the generator, and a dust collecting device is arranged between the adjacent vertical partition plates.

Preferably, the dust collecting device comprises a second filter cotton layer facing the circulation direction of the channel of the circulation flow of the air suction unit and a first filter cotton layer arranged on one side far away from the second filter cotton layer.

Preferably, the first filtering cotton layer and the second filtering cotton layer are fixed on the vertical partition plate, the other end of the first filtering cotton layer and the second filtering cotton layer is fixed on the magnetic plate, the magnetic plate is fixed on the inner wall of the shell and the vertical partition plate in an adsorption mode, and a rectangular cavity is formed among the magnetic plate, the first filtering cotton layer, the vertical partition plate and the second filtering cotton layer.

Preferably, one side that first filtration cotton layer was kept away from on the second filtration cotton layer is equipped with the horn hole of the cavity of intercommunication rectangle, horn hole opening one end outwards is greater than the opening one end inwards, the horn hole equidistance is equipped with the multiunit.

Preferably, the pipeline connecting device comprises a round hole communicated with one side of the negative pressure air cavity, the end part of the round hole is communicated with the air pipe, a hose is fixedly arranged at the end part of the air pipe, and the end part of the hose is communicated with a threaded pipe which can be connected in the air hole in a threaded fit mode.

Preferably, the side surface of the shell is provided with a matching plate above the threaded pipe correspondingly, and the matching plate is provided with a matching hole for the threaded pipe to be in threaded matching connection.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a power station generator excitation adjusting device, which comprises a housing, the casing is a rectangular box structure with an upper opening, the upper opening of the casing is fixed with a sealing cover through screws, the inside bottom end of the casing is provided with a transverse partition board, the transverse partition board separates the lower end of the casing into a negative pressure air cavity, the bottom of the casing is fixedly provided with a rubber pad, the bottom of the casing is provided with a plurality of groups of negative pressure suction holes which run through the rubber pad and are communicated with the negative pressure air cavity, the casing is adsorbed and fixed on the surface of the generator casing through the negative pressure suction holes, the casing can be adsorbed and fixed on the inner surface and the outer surface of the generator casing at any position which is enough to be installed and normally used, and the casing is convenient to be disassembled and assembled and installed on different generators to realize shared use;

2. the utility model discloses a power station generator excitation adjusting device, the surface of generator housing is equipped with the wind hole, one side of casing be equipped with the pipe connection device of wind hole butt joint, the casing is induced drafted through adsorbing fixed mode and is got into formation negative pressure and fixed, fixed convenient, and can supplement the inside gas of generator housing or outside gas suction when induced drafting, reach the effect to the inside and outside gas heat dissipation of generator housing, dust removal.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

Fig. 3 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. an air suction unit; 3. a wind hole; 4. a generator housing; 5. a rubber pad; 6. negative pressure suction holes; 7. a negative pressure air cavity; 8. a transverse partition; 9. a discharge conduit; 10. a vertical partition plate; 11. a first filter cotton layer; 12. sealing the cover; 13. a connecting plate; 14. a second filter cotton layer; 15. a horn hole; 16. a magnetic plate; 17. a hose; 18. a mating plate; 19. a mating hole; 20. an air duct; 21. a circular hole; 22. a threaded pipe.

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.

The utility model provides a hydropower station generator excitation adjusting device as shown in figures 1-3, which comprises a shell 1, the shell 1 is a rectangular box structure with an upper opening, a sealing cover 12 is fixed on the upper opening of the shell 1 through screws, a transverse baffle 8 is arranged at the bottom end inside the shell 1, the transverse baffle 8 separates the lower end of the shell 1 into a negative pressure wind cavity 7, a rubber pad 5 is fixed at the bottom of the shell 1, a plurality of groups of negative pressure suction holes 6 which penetrate through the rubber pad 5 and communicate with the negative pressure wind cavity 7 are arranged at the bottom of the shell 1, the shell 1 is fixed on the surface of a generator shell 4 through the negative pressure suction holes 6, a plurality of groups of vertical baffles 10 are fixed on the upper surface of the transverse baffle 8 and the lower surface of the sealing cover 12, a plurality of channels for circulating circulation are distributed between the vertical baffles 10 which are adjacent up and down in a staggered way and separate the interior of the shell 1, an air suction unit 2 communicated with the negative pressure wind cavity 7 is arranged on the upper surface on the left side of the transverse baffle 8, the right end of the sealing cover 12 is provided with a discharge pipeline 9 communicated with a circulating channel, the surface of the generator shell 4 is provided with an air hole 3, and one side of the shell 1 is provided with a pipeline connecting device butted with the air hole 3.

In this embodiment, a connecting plate 13 for mounting the excitation regulator of the generator is fixedly welded on the surface of the vertical partition plate 10, and a dust collecting device is arranged between the adjacent vertical partition plates 10.

The dust collecting device comprises a second filter cotton layer 14 facing the circulation direction of the channel of the circulation of the suction unit 2 and a first filter cotton layer 11 arranged on one side far away from the second filter cotton layer 14.

It should be noted that one end of the first filtering cotton layer 11 and one end of the second filtering cotton layer 14 are fixed on the vertical partition board 10, the other end of the first filtering cotton layer and the second filtering cotton layer 14 are fixed on the magnetic plate 16, the magnetic plate 16 is fixed on the inner walls of the housing 1 and the vertical partition board 10 in an absorbing manner, and is fixed stably, and a rectangular cavity is formed among the magnetic plate 16, the first filtering cotton layer 11, the vertical partition board 10 and the second filtering cotton layer 14.

One side that cotton layer 11 was kept away from in second filter 14 is equipped with the horn hole 15 of the cavity of intercommunication rectangle, and horn hole 15 opening one end outwards is greater than the opening one end inwards, and horn hole 15 equidistance is equipped with the multiunit.

Furthermore, air in the negative pressure air cavity 7 is sucked away to form negative pressure after the air suction unit 2 is started, the shell 1 is sucked through the negative pressure suction hole 6 and fixed on the surface of the generator shell 4, the negative pressure air cavity 7 is provided with a pipeline connecting device for supplementing wind power, when the threaded pipe 22 is connected to the position of the air hole 3, the air inside the generator shell 4 can be pumped out, filtering, dust removal and heat discharge are carried out, when the shell 1 is sucked and fixed on the inner side surface of the generator shell 4, the shell is connected to the position of the air hole 3 through the threaded pipe 22, the air outside the generator shell 4 can be sucked, and qualitative cooling is carried out on the inside of the generator shell 4.

When the threaded pipe 22 is connected to the matching hole 19, the wind inside or outside the generator housing 4 can be correspondingly sucked into the housing 1 for reasonable selection in actual conditions, the wind entering the housing 1 is filtered to remove dust through the first filter cotton layer 11 and the second filter cotton layer 14, the dust enters the rectangular cavity through the horn hole 15 and is collected, and the cover 12 is conveniently cleaned when being opened.

The air is discharged from the discharge duct 9 after being circularly filtered in the casing 1, and the suction unit 2 may use a suction pump or the like.

The pipeline connecting device comprises a round hole 21 communicated with one side of the negative pressure air cavity 7, the end part of the round hole 21 is communicated with an air pipe 20, a hose 17 is fixedly arranged at the end part of the air pipe 20, and the end part of the hose 17 is communicated with a threaded pipe 22 which can be connected into the air hole 3 in a threaded fit mode.

The side surface of the housing 1 is provided with a fitting plate 18 above the threaded pipe 22, and the fitting plate 18 is provided with a fitting hole 19 for the threaded fitting connection of the threaded pipe 22.

The working principle is as follows: the generator shell comprises a shell 1, wherein the shell 1 is of a rectangular box structure with an upper opening, a sealing cover 12 is fixed on the upper opening of the shell 1 through screws, a transverse partition plate 8 is arranged at the bottom end inside the shell 1, the lower end of the shell 1 is partitioned into a negative pressure air cavity 7 by the transverse partition plate 8, a rubber pad 5 is fixedly arranged at the bottom of the shell 1, a plurality of groups of negative pressure suction holes 6 penetrating through the rubber pad 5 and communicating with the negative pressure air cavity 7 are formed in the bottom of the shell 1, the shell 1 is fixedly adsorbed on the surface of a generator shell 4 through the negative pressure suction holes 6, the shell 1 can be fixedly adsorbed on any position on the inner surface and the outer surface of the generator shell 4, and can be conveniently disassembled, assembled and assembled on different generators to realize shared use; generator housing 4's surface is equipped with wind hole 3, and one side of casing 1 is equipped with the pipe connection device who docks with wind hole 3, and casing 1 induced drafts through adsorbing fixed mode and gets into and form the negative pressure and fix, and is fixed convenient, can inhale the gas inside generator housing 4 or outside gas when induced drafting and supply, reaches the effect to generator housing 4 internal and external gas heat dissipation, dust removal.

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 power station generator excitation adjusting device, includes casing (1), its characterized in that: the shell (1) is of a rectangular box structure with an upper opening, a sealing cover (12) is fixed on the upper opening of the shell (1) through screws, a transverse partition plate (8) is arranged at the bottom end inside the shell (1), the transverse partition plate (8) separates the lower end of the shell (1) into a negative pressure air cavity (7), a rubber pad (5) is fixed at the bottom of the shell (1), a plurality of groups of negative pressure suction holes (6) penetrating through the rubber pad (5) and communicated with the negative pressure air cavity (7) are formed in the bottom of the shell (1), the shell (1) is fixedly adsorbed on the surface of a generator shell (4) through the negative pressure suction holes (6), a plurality of groups of vertical partition plates (10) are fixedly arranged on the upper surface of the transverse partition plate (8) and the lower surface of the sealing cover (12), and are distributed in a staggered manner between the vertical partition plates (10) adjacent from top to bottom, and the interior of the shell (1) is separated into a circulating channel, the left side upper surface of horizontal baffle (8) is equipped with the unit (2) that induced drafts of intercommunication negative pressure wind chamber (7), the right-hand member of closing cap (12) is equipped with discharge duct (9) of the passageway of intercommunication circulation, the surface of generator housing (4) is equipped with wind hole (3), one side of casing (1) is equipped with the pipe connection device who docks with wind hole (3).

2. A hydropower station generator excitation adjusting device according to claim 1, characterized in that: the surface of the vertical partition plates (10) is fixedly welded with a connecting plate (13) for mounting the excitation regulator of the generator, and a dust collecting device is arranged between the adjacent vertical partition plates (10).

3. A hydropower station generator excitation adjusting device according to claim 2, characterized in that: the dust collecting device comprises a second filter cotton layer (14) facing to the circulation direction of the channel of the circulation of the air suction unit (2) and a first filter cotton layer (11) arranged on one side far away from the second filter cotton layer (14).

4. A hydropower station generator excitation adjusting device according to claim 3, characterized in that: first filtration cotton layer (11) and the one end of second filtration cotton layer (14) are fixed on vertical baffle (10), and the other end is fixed on magnetic sheet (16), magnetic sheet (16) adsorbability is fixed on the inner wall of casing (1) and vertical baffle (10), magnetic sheet (16), first filtration cotton layer (11), vertical baffle (10), second filtration cotton layer (14) between form the cavity of rectangle.

5. A hydropower station generator excitation adjusting device according to claim 4, wherein: one side that cotton layer (11) was kept away from in second filtration layer (14) is equipped with horn hole (15) of the cavity of intercommunication rectangle, horn hole (15) opening one end outwards is greater than opening one end inwards, horn hole (15) equidistance is equipped with the multiunit.

6. A hydropower station generator excitation adjusting device according to claim 1, characterized in that: the pipeline connecting device comprises a round hole (21) communicated with one side of the negative pressure air cavity (7), the end part of the round hole (21) is communicated with an air pipe (20), a hose (17) is fixedly arranged at the end part of the air pipe (20), and the end part of the hose (17) is communicated with a threaded pipe (22) which can be connected into the air hole (3) in a threaded fit mode.

7. A hydropower station generator excitation adjusting device according to claim 6, characterized in that: the side of the shell (1) is provided with a matching plate (18) above the threaded pipe (22), and the matching plate (18) is provided with a matching hole (19) for the threaded pipe (22) to be in threaded matching connection.