CN220068098U

CN220068098U - Excitation controller of synchronous generator

Info

Publication number: CN220068098U
Application number: CN202321245463.5U
Authority: CN
Inventors: 苏军; 付其军; 朱磊
Original assignee: Wuhan Lihua Electric Co ltd
Current assignee: Wuhan Lihua Electric Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-11-21
Anticipated expiration: 2033-05-23

Abstract

The utility model relates to the technical field of excitation controllers and provides a synchronous generator excitation controller, which comprises an excitation controller main body, wherein a plurality of radiating holes are formed in the outer walls of two sides of the excitation controller main body, the radiating holes are respectively arranged in a rectangular array, a pair of movable rails are welded on the outer walls of two sides of the excitation controller main body, a fan is inserted between each pair of movable rails, a first top plate is hinged to the top end surface of the excitation controller main body, and a second top plate is arranged outside the first top plate; this synchronous generator excitation controller can follow the both sides of excitation controller main part through fan and louvre, helps it to dispel the heat, can adjust the position of fan in excitation controller main part both sides through the movable rail, is favorable to carrying out the pertinence to certain high temperature point and dispels the heat, has improved the result of use of equipment, through lifting first roof and second roof, can make the heat follow the top of excitation controller main part and dispel the heat, has improved the radiating effect.

Description

Excitation controller of synchronous generator

Technical Field

The utility model relates to the technical field of excitation controllers, in particular to a synchronous generator excitation controller.

Background

Synchronous generators, i.e. alternators with the same rotational speed of the rotor and the stator rotating magnetic field, are structurally divided into a rotating armature and a rotating magnetic field, which are the most commonly used alternators, and in the modern power industry, they are widely used for hydroelectric generation, thermal power generation, nuclear power generation and diesel engine generation, and in the synchronous generator working process, an excitation controller is needed to control the machine-side voltage, control the reactive power distribution and improve the stability of the synchronous generator parallel operation.

The Chinese patent discloses an embedded synchronous generator excitation controller, and publication number is CN213305199U, proposes "including the generator, the left and right sides face of generator upper surface all is provided with the installation piece, the one side that two installation pieces are close to each other overlaps with the left and right sides face of installation base respectively, the lower surface of installation base overlaps with the upper surface of generator, the front and the back of installation base all are provided with two stoppers, sliding connection has the fixture block in the stopper, the bottom swing joint of the right flank of fixture block and bracing piece is passed through to the round pin axle, and the lower surface swing joint of the top of corresponding two bracing pieces and slide bar is passed through same round pin axle. Because the synchronous generator is connected with the synchronous generator when the synchronous generator is used, and the synchronous generator are close to each other, heat generated by the synchronous generator and the excitation controller during operation can be accumulated together and difficult to be dissipated, and the synchronous generator works in a high-temperature environment for a long time, so that the loss of the excitation controller can be increased, and the design of the synchronous generator excitation controller is necessary.

Disclosure of Invention

The utility model aims to provide an excitation controller of a synchronous generator, which solves the problems that in the related art, heat generated by the generator and the excitation controller during operation is accumulated together and is difficult to dissipate in the use process, and the excitation controller is damaged when the synchronous generator works in a high-temperature environment for a long time.

The technical scheme of the utility model is as follows:

the utility model provides a synchronous generator excitation controller, includes excitation controller main part, a plurality of louvre has all been seted up to excitation controller main part's both sides outer wall, and the louvre is arranged respectively according to rectangular array, excitation controller main part's both sides outer wall has all welded a pair of movable rail, and has pegged graft the fan between every pair of movable rail, excitation controller main part's top terminal surface articulates there is first roof, and the outside of first roof is equipped with the second roof, the dust screen is installed at excitation controller main part's inboard top, and the one end of dust screen is equipped with the movable rod, the mounting groove has all been seted up to excitation controller main part's both sides inner wall, and the both ends grafting of movable rod are installed in the inside of two mounting grooves, the magnetic stripe is installed to excitation controller main part's one side inner wall.

Preferably, the first top plate and the second top plate are connected through a hinge, and a pull rod is installed on the top end face of the second top plate.

Preferably, a plurality of folds are formed in the outer wall of the dustproof net at equal intervals.

Preferably, the movable rod and the magnetic stripe are at the same horizontal position, the outer wall of the movable rod is provided with a metal sheet, and the metal sheet and the magnetic stripe are mutually attracted.

Preferably, the pneumatic lifting rods are arranged around the end face of the bottom of the excitation controller main body, a connecting plate is arranged below the bottom of the excitation controller main body, and one end, away from the excitation controller main body, of the pneumatic lifting rods is fixedly connected with the top end face of the connecting plate.

Preferably, the inside of connecting plate has been seted up the heat dissipation storehouse, and the internally mounted in heat dissipation storehouse has the water pipe, first water storage box is installed to the top terminal surface of connecting plate, and the one side outside of first water storage box installs the second water storage box, a plurality of thermovent has been seted up to the outer wall of connecting plate, communicate through communicating pipe between first water storage box and the second water storage box.

Preferably, the two ends of the water pipe are respectively connected with the first water storage box and the second water storage box, the water pipe is in a snake shape, and the heat dissipation openings are distributed on the outer walls of the two sides and the end face of the bottom of the connecting plate.

Preferably, a water guide pump is arranged at the joint of the water pipe and the first water storage box, and a refrigerator is arranged at the joint of the water pipe and the second water storage box.

Preferably, a heat insulation layer is arranged at the top of the inner wall of the heat dissipation bin, and the heat insulation layer is made of fiber cotton.

Preferably, a pair of connecting blocks are welded on the outer walls of the two sides of the connecting plate, screws are connected to the tops of the connecting blocks in a threaded mode, and a damping cushion is glued to the end face of the bottom of the connecting block.

The utility model has the beneficial effects that:

1. the fan can be adjusted to the position of fan in excitation controller main part both sides through fan and louvre, help it dispel the heat, can be favorable to carrying out the pertinence heat dissipation to certain high temperature point through the movable rail, the result of use of equipment has been improved, through lifting first roof and second roof, can make the heat follow the top of excitation controller main part and dispel the heat, the radiating effect has been improved, the radiating rate has been accelerated, can effectively avoid excitation controller main part to be in high temperature environment work for a long time, the loss to excitation controller main part has been reduced, the life to excitation controller main part has been increased, can play the shelter from the effect to excitation controller main part's top through the dust screen, avoid the dust to get into and adhere to on the part inside the excitation controller main part influences the heat dissipation. .

2. Can make synchronous generator radiating heat enter into the heat dissipation storehouse in, flow through the water pipe in with heat absorption and take out, and then realize the radiating effect, reduce the heat between excitation controller main part and the generator, can cool down the processing at hydrologic cycle's in-process through the refrigerator, and then ensure the radiating effect, can adjust the interval between connecting plate and the excitation controller main part through pneumatic lifter, be favorable to the heat to radiate.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is an overall isometric view of the present utility model;

FIG. 2 is an overall side view of the present utility model;

FIG. 3 is an overall elevation view of the present utility model;

FIG. 4 is a schematic diagram of the overall structure of the present utility model;

FIG. 5 is an overall cross-sectional view of the present utility model;

in the figure: 1. an excitation controller main body; 2. a heat radiation hole; 3. a moving rail; 4. a fan; 5. a first top plate; 6. a second top plate; 7. a dust screen; 8. a movable rod; 9. a mounting groove; 10. a magnetic stripe; 11. a pneumatic lifting rod; 12. a connecting plate; 13. a heat dissipation bin; 14. a water pipe; 15. a first water storage box; 16. a second water storage box; 17. a heat radiation port; 18. a communicating pipe; 19. a water guide pump; 20. a refrigerator; 21. a connecting block; 22. a screw; 23. and (5) a cushioning pad.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-5, this embodiment provides a synchronous generator excitation controller, including an excitation controller main body 1, a plurality of heat dissipation holes 2 are all opened on both side outer walls of the excitation controller main body 1, and the heat dissipation holes 2 are respectively arranged according to a rectangular array, a pair of movable rails 3 are welded on both side outer walls of the excitation controller main body 1, and a fan 4 is inserted between each pair of movable rails 3, the top end face of the excitation controller main body 1 is hinged with a first top plate 5, and the outside of the first top plate 5 is provided with a second top plate 6, the inside top of the excitation controller main body 1 is provided with a dust screen 7, one end of the dust screen 7 is provided with a movable rod 8, both side inner walls of the excitation controller main body 1 are provided with mounting grooves 9, both ends of the movable rod 8 are inserted and mounted in the inside of the two mounting grooves 9, one side inner wall of the excitation controller main body 1 is provided with a magnetic stripe 10, the first top plate 5 and the second top plate 6 are connected through a hinge, the top end face of the second top plate 6 is provided with a pull rod, the outer wall of the dust screen 7 is equidistantly provided with a plurality of folds, the dust screen 7 is folded and retracted conveniently through the folds, the movable rod 8 and the magnetic stripe 10 are positioned at the same horizontal position, the outer wall of the movable rod 8 is provided with a metal sheet, the metal sheet and the magnetic stripe 10 are mutually attracted, the periphery of the bottom end face of the excitation controller main body 1 is provided with a pneumatic lifting rod 11, the bottom lower part of the excitation controller main body 1 is provided with a connecting plate 12, one end of the pneumatic lifting rod 11 far away from the excitation controller main body 1 is fixedly connected with the top end face of the connecting plate 12, the inside of the connecting plate 12 is provided with a heat dissipation bin 13, the inside of the heat dissipation bin 13 is provided with a water pipe 14, the top end face of the connecting plate 12 is provided with a first water storage box 15, one side of the first water storage box 15 is externally provided with a second water storage box 16, the outer wall of connecting plate 12 has seted up a plurality of thermovent 17, communicate through communicating pipe 18 between first water storage box 15 and the second water storage box 16, the both ends of water pipe 14 are connected with first water storage box 15 and second water storage box 16 respectively, and water pipe 14 is snakelike, thermovent 17 distributes in the both sides outer wall and the bottom terminal surface of connecting plate 12, water guide pump 19 is installed to the junction of water pipe 14 and first water storage box 15, refrigerator 20 is installed to the junction of water pipe 14 and second water storage box 16, the inner wall top of heat dissipation storehouse 13 is equipped with the insulating layer, and the insulating layer is made by the fibre cotton, can avoid heat to pass the top of connecting plate 12 and the contact of excitation controller main part 1 through the insulating layer, a pair of connecting block 21 has all been welded to the both sides outer wall of connecting plate 12, and the top threaded connection of connecting block 21 has screw 22, the bottom terminal surface of connecting block 21 glues and has the shock pad 23.

In this embodiment, when in use, the excitation controller main body 1 is connected with the synchronous generator through the screw 22, the cushioning pad 23 can play a role in cushioning the vibration generated by the synchronous generator, so as to improve the stability of the excitation controller main body 1, the heat in the excitation controller main body 1 can be discharged from two sides through the heat-radiating holes 2 and the fan 4, the heat-radiating treatment can be carried out at a certain point through the position of the sliding fan 4 in the moving rail 3, the first top plate 5 and the second top plate 6 are pulled up, the first top plate 5 and the second top plate 6 are folded together, the top of the excitation controller main body 1 is in an exposed shape, the heat-radiating speed is accelerated, the movable rod 8 is pulled to move in the mounting groove 9, the movable rod 8 is magnetically attracted and connected with the magnetic stripe 10, the dust screen 7 can be unfolded to shelter from the top of excitation controller main part 1, avoid the dust to get into, can adjust the interval between excitation controller main part 1 and the connecting plate 12 through pneumatic lifter 11, be favorable to the heat to dispel out, add cold water in the inside of first water storage box 15 and second water storage box 16, lead into water pipe 14 with cold water through water guide pump 19, and make water constantly flow, and then take out synchronous generator radiating heat, water in the first water storage box 15 is through flowing in water pipe 14, finally can enter into the inside of second water storage box 16, can cool down when water gets into in the second water storage box 16 through refrigerator 20, be connected first water storage box 15 and second water storage box 16 through communicating pipe 18, form the closed loop, can uninterrupted operation.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a synchronous generator excitation controller, its characterized in that, including excitation controller main part (1), a plurality of louvre (2) have all been seted up to the both sides outer wall of excitation controller main part (1), and louvre (2) are arranged respectively according to rectangular array, the both sides outer wall of excitation controller main part (1) has all welded a pair of movable rail (3), and has pegged graft between every pair of movable rail (3) fan (4), the top terminal surface of excitation controller main part (1) articulates there is first roof (5), and the outside of first roof (5) is equipped with second roof (6), dust screen (7) are installed at the inboard top of excitation controller main part (1), and the one end of dust screen (7) is equipped with movable rod (8), mounting groove (9) have all been seted up to the both sides inner wall of excitation controller main part (1), and the both ends grafting of movable rod (8) are installed in the inside of two mounting grooves (9), magnetic stripe (10) are installed to the inner wall of one side of excitation controller main part (1).

2. A synchronous generator excitation controller according to claim 1, characterized in that the first top plate (5) and the second top plate (6) are connected by a hinge, and the top end surface of the second top plate (6) is provided with a pull rod.

3. The excitation controller of the synchronous generator according to claim 1, wherein a plurality of folds are formed on the outer wall of the dustproof net (7) at equal intervals.

4. A synchronous generator excitation controller according to claim 1, characterized in that the movable rod (8) and the magnetic strip (10) are at the same horizontal position, the outer wall of the movable rod (8) is provided with a metal sheet, and the metal sheet and the magnetic strip (10) are attracted mutually.

5. The excitation controller of the synchronous generator according to claim 1, wherein the pneumatic lifting rods (11) are installed around the bottom end face of the excitation controller main body (1), a connecting plate (12) is arranged below the bottom of the excitation controller main body (1), and one end, far away from the excitation controller main body (1), of the pneumatic lifting rods (11) is fixedly connected with the top end face of the connecting plate (12).

6. The excitation controller of a synchronous generator according to claim 5, wherein a heat dissipation bin (13) is provided in the interior of the connecting plate (12), a water pipe (14) is provided in the interior of the heat dissipation bin (13), a first water storage box (15) is provided on the top end surface of the connecting plate (12), a second water storage box (16) is provided on one side of the first water storage box (15) outside, a plurality of heat dissipation ports (17) are provided on the outer wall of the connecting plate (12), and the first water storage box (15) and the second water storage box (16) are communicated through a communication pipe (18).

7. The excitation controller of the synchronous generator according to claim 6, wherein two ends of the water pipe (14) are respectively connected with the first water storage box (15) and the second water storage box (16), the water pipe (14) is in a serpentine shape, and the heat dissipation openings (17) are distributed on two outer walls and the bottom end face of the connecting plate (12).

8. The excitation controller of the synchronous generator according to claim 6, wherein a water guide pump (19) is installed at the joint of the water pipe (14) and the first water storage box (15), and a refrigerator (20) is installed at the joint of the water pipe (14) and the second water storage box (16).

9. A synchronous generator excitation controller according to claim 6, characterized in that the top of the inner wall of the heat sink bin (13) is provided with a heat insulating layer, and the heat insulating layer is made of fiber cotton.

10. The excitation controller of the synchronous generator according to claim 5, wherein a pair of connecting blocks (21) are welded on the outer walls of two sides of the connecting plate (12), screws (22) are connected to the top of the connecting blocks (21) in a threaded manner, and a damping cushion (23) is glued to the bottom end surface of the connecting blocks (21).