Moistureproof and antifouling device for generator

Abstract

The utility model relates to the technical field of generators, and discloses a generator moistureproof antifouling device, which comprises a wall body, an excitation slip ring cooling air inlet duct is sleeved in the wall body, one side of the excitation slip ring cooling air inlet duct is in threaded connection with an indoor ventilation pipe, and a filter screen is sleeved in the indoor ventilation pipe. According to the damp-proof and anti-fouling device for the generator, through the arrangement of a baffle, a rotating assembly and an indoor ventilation pipe, a driving motor B is started to drive a transmission gear to rotate when rain, snow or sand storm is large, so that a rotating gear rotates on the surface of a threaded rod in a threaded mode, the threaded rod is driven to ascend and descend, and then the baffle is driven to descend in a fixing frame to close an excitation sliding ring cooling air inlet duct; and air enters from the indoor ventilation pipe, so that grounding alarm or tripping of the rotor caused by the fact that the excitation slip ring cooling air inlet duct sucks rain and snow during operation of the generator in rainy, snowy or dust-raising weather is avoided, and the applicability of the damp-proof and antifouling device of the generator is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to generator technical field especially relates to a generator dampproof and antifouling device. BACKGROUND

[0002] Generator exciter and carbon brush dampproof are important links of ensuring normal operation of the generator, because the air inlet of the excitation slip ring cooling air duct of the waste heat generator is designed outdoors, the air inlet has large air intake and strong suction due to negative pressure, and a small amount of rain and snow is sucked into the excitation slip ring cooling air duct during operation of the generator in rainy and snowy weather, which leads to excessive humidity in the excitation carbon brush chamber, forms condensate water, reduces insulation of the excitation carbon brush holder and brush holder, and causes rotor grounding alarm.

[0003] The existing generator dampproof and antifouling device cannot avoid that the excitation slip ring cooling air duct of the generator sucks in rain and snow during operation.

[0004] After searching the existing patents, a wind driven generator dampproof device (publication number: CN214741859U) is found, which comprises a shell, an air inlet cavity, a mounting cavity and a transmission cavity are arranged inside the shell, a large gear is mounted on the inside of the transmission cavity of the rotating shaft of the generator, a second driving rod is rotatably mounted between the transmission cavity and the air inlet cavity, a small gear is mounted at one end of the second driving rod, the small gear is located on the inside of the transmission cavity, the small gear is connected with the large gear in meshing connection, and a second bevel gear is mounted at the other end of the second driving rod. The utility model can rotate the small fan blade to suck external air into the shell, accelerate air circulation in the shell, and achieve the effect of dehumidification and cooling of the generator.

[0005] The above patent can rotate the small fan blade to suck external air into the shell, accelerate air circulation in the shell, and achieve the effect of dehumidification and cooling of the generator, but it is inconvenient to clean the dust on the surface of the filter screen, and the dust accumulation on the surface of the filter screen can affect the air intake effect. UTILITY MODEL CONTENTS

[0006] The utility model solves the technical problem of providing a generator dampproof and antifouling device with high practicability, simple operation and simple structure, and solves the problem of not being able to avoid that the excitation slip ring cooling air duct of the generator sucks in rain and snow during operation in the above background technology.

[0007] In order to achieve the above object, the utility model discloses a generator damp -proof and anti -fouling device, including the wall, the inside sleeve joint of wall excitation slip ring cooling air inlet, one side of excitation slip ring cooling air inlet is connected with the indoor ventilation pipe, the inside sleeve joint of indoor ventilation pipe has the filter screen, one side fixedly connected with the connecting frame of indoor ventilation pipe, the inner wall fixedly connected with the support frame of connecting frame, one side fixedly connected with the cleaning assembly of support frame, the top fixedly connected with the fixed frame of excitation slip ring cooling air inlet, the inside sliding connection of fixed frame has the baffle, the top rotationally connected with the threaded rod of baffle, the surface screwing on of threaded rod has rotating assembly, one end communication of excitation slip ring cooling air inlet has the connecting pipe, one end through connection of connecting pipe has excitation slip ring cooling cover, one side fixedly connected with generator module of excitation slip ring cooling cover.

[0008] As a further scheme of the utility model, the cleaning assembly includes a drive motor A fixedly connected to one side of the support frame, a transmission rod spline-connected to an output end of the drive motor A, a rotating shaft fixedly connected to one end of the transmission rod, a support plate fixedly connected to one end of the rotating shaft, and a cleaning brush fixedly connected to a back surface of the support plate. The cleaning brush is convenient for wiping the surface of the filter screen.

[0009] As a further scheme of the utility model, the rotating assembly includes a rotating gear screw-connected to the surface of the threaded rod, a transmission gear meshed with the surface of the rotating gear, and a drive motor B fixedly connected to the top of the transmission gear. The drive motor B is convenient for driving the transmission gear.

[0010] As a further scheme of the utility model, the top surface of the fixed frame is fixedly connected with a protective shell, and the surface of the drive motor B is sleeved with a motor shell. The motor shell is convenient for protecting the drive motor B.

[0011] As a further scheme of the utility model, the surface of the drive motor A is sleeved with a dust cover, and sliding grooves adapted to the baffle are formed in the two sides of the fixed frame. The sliding grooves are convenient for limiting the baffle.

[0012] As a further scheme of the utility model, a plug groove adapted to the baffle is formed in the top surface of the excitation slip ring cooling air inlet, and a support seat is fixedly connected to the bottom of the generator module. The support seat is convenient for supporting the generator module.

[0013] As a further scheme of the utility model, an exhaust air duct is communicated with the top of the excitation slip ring cooling cover, and a filter is communicated with one end of the exhaust air duct. The filter is convenient for filtering the discharged air.

[0014] As a further scheme of the utility model, the control box is fixedly connected to one side of the generator module, a rotating hole matched with the threaded rod is formed in the top of the fixing frame, and the rotating hole facilitates the rotation of the threaded rod.

[0015] The utility model provides a generator damp -proof and anti -fouling device has the following beneficial effects:

[0016] 1、The generator damp -proof and anti -fouling device, through the setting of baffle, rotating component and indoor ventilation pipe, when rain and snow or sandstorm is big, start drive motor B and drive transmission gear rotation, make rotating gear screw thread rotation on the surface of threaded rod, drive threaded rod to go up and down, then drive baffle to descend and close excitation slip ring cooling air inlet in fixed frame, from indoor ventilation pipe, so that avoid rain and snow or dust weather, generator excitation slip ring cooling air inlet inhale rain and snow in operation, cause rotor ground alarm or tripping, improved the applicability of generator damp -proof and anti -fouling device.

[0017] 2、The generator damp -proof and anti -fouling device, through the setting of cleaning component, when long -term use, the dust and other impurities of filter screen surface in indoor ventilation pipe are accumulated, start drive motor A and drive rotating shaft rotation in support frame, then support plate drive cleaning brush rotation, and scrape filter screen surface, so as to reach the effect of cleaning dust on filter screen surface, prevent dust on filter screen surface from accumulating and affecting air inlet effect, reduce the work load of personnel cleaning simultaneously, improved the convenience of generator damp -proof and anti -fouling device. ACCURACY OF DRAWINGS

[0018] Fig. 1 It is whole structure schematic view of the utility model;

[0019] Fig. 2 It is split structure schematic view of the utility model;

[0020] Fig. 3 It is cleaning component structure schematic view of the utility model;

[0021] Fig. 4 It is rotating component structure schematic view of the utility model.

[0022] In the drawing: 1, wall body;2, excitation slip ring cooling air inlet;3, indoor ventilation pipe;4, filter screen;5, connecting frame;6, support frame;7, cleaning component;701, drive motor A;702, transmission rod;703, rotating shaft;704, support plate;705, cleaning brush;8, fixed frame;9, baffle;10, threaded rod;11, rotating component;1101, rotating gear;1102, transmission gear;1103, drive motor B;12, connecting pipe;13, excitation slip ring cooling cover;14, generator module;15, protective shell;16, motor shell;17, dust cover;18, support base;19, exhaust air duct;20, filter;21, control box. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figs. 1 to 4 The utility model provides a technical scheme: a generator damp proof and antifouling device, including wall body 1, the inside bushing of wall body 1 is connected with excitation slip ring cooling air inlet 2, one side of excitation slip ring cooling air inlet 2 is connected with indoor ventilation pipe 3, the inside bushing of indoor ventilation pipe 3 is connected with filter screen 4, one side of indoor ventilation pipe 3 is fixedly connected with connecting frame 5, the inner wall of connecting frame 5 is fixedly connected with support frame 6, one side of support frame 6 is fixedly connected with cleaning assembly 7, through the setting of cleaning assembly 7, reach the effect of cleaning the dust on the surface of filter screen 4, prevent the dust on the surface of filter screen 4 from accumulating and affecting the air intake effect, simultaneously reduce the work load of personnel cleaning, improved the convenience of generator damp proof and antifouling device, the top of excitation slip ring cooling air inlet 2 is fixedly connected with fixed frame 8, the inside sliding connection of fixed frame 8 has baffle 9, the top of baffle 9 is rotatably connected with threaded rod 10, the surface of threaded rod 10 is threadedly connected with rotating assembly 11, through the setting of baffle 9, rotating assembly 11 and indoor ventilation pipe 3, avoid rain or snow or dust weather, generator in operation excitation slip ring cooling air inlet 2 inhale rain and snow, lead to rotor ground alarm or trip, improved the applicability of generator damp proof and antifouling device, one end of excitation slip ring cooling air inlet 2 is communicated with connecting pipe 12, one end of connecting pipe 12 is connected with excitation slip ring cooling cover 13, one side of excitation slip ring cooling cover 13 is fixedly connected with generator module 14.

[0025] Cleaning assembly 7 includes the drive motor A 701 of fixed connection in one side of support frame 6, the output end of drive motor A 701 is spline connected with transmission rod 702, one end of transmission rod 702 is fixedly connected with rotating shaft 703, one end of rotating shaft 703 is fixedly connected with support plate 704, the back of support plate 704 is fixedly connected with cleaning brush 705, through the setting of cleaning brush 705, play the role of wiping the surface of filter screen 4.

[0026] Rotating assembly 11 includes the rotating gear 1101 of thread connection on the surface of threaded rod 10, the surface of rotating gear 1101 is engaged with transmission gear 1102, the top of transmission gear 1102 is fixedly connected with drive motor B 1103, through the setting of drive motor B 1103, play the role of driving transmission gear 1102.

[0027] The top surface of the fixing frame 8 is fixedly connected with a protective shell 15, and the surface of the driving motor B1103 is sleeved with a motor shell 16.

[0028] The surface of the driving motor A701 is sleeved with a dust cover 17, and both sides of the fixing frame 8 are provided with sliding grooves matched with the baffle 9, so that the baffle 9 is limited.

[0029] The top surface of the excitation slip ring cooling air inlet channel 2 is provided with an insertion groove matched with the baffle 9, the bottom of the generator module 14 is fixedly connected with a support seat 18, and the support seat 18 is provided.

[0030] The top of the excitation slip ring cooling cover 13 is communicated with an exhaust air duct 19, one end of the exhaust air duct 19 is communicated with a filter 20, and the filter 20 is provided.

[0031] One side of the generator module 14 is fixedly connected with a control box 21, and the top of the fixing frame 8 is provided with a rotating hole matched with the threaded rod 10.

[0032] In the utility model, the working steps of the device are as follows:

[0033] The first step: in long-term use, the filter screen 4 surface in the indoor ventilation pipe 3 accumulates dust and other impurities, the driving motor A701 is started to drive the rotating shaft 703 to rotate in the support frame 6, and then the support plate 704 drives the cleaning brush 705 to rotate and scrape the surface of the filter screen 4, and the accumulated dust on the surface of the filter screen 4 is scraped and cleaned.

[0034] The second step: when it is raining, snowing or windy, connect the external power supply, start the driving motor B1103, drive the transmission gear 1102 to rotate in the protective shell 15 by the driving motor B1103, and then the transmission gear 1102 drives the meshing rotating gear 1101 to rotate on the surface of the threaded rod 10.

[0035] The third step: drive the threaded rod 10 to lift, and then the baffle 9 slides in the sliding groove in the fixing frame 8, so that the baffle 9 descends in the fixing frame 8 and closes the excitation slip ring cooling air inlet channel 2, and the indoor ventilation pipe 3 is prevented from entering the excitation slip ring cooling air inlet channel.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A generator moisture-proof and stain-proof device, comprising a wall (1), characterized in that: The wall (1) is fitted with an excitation slip ring cooling air inlet duct (2). An indoor ventilation pipe (3) is threaded to one side of the excitation slip ring cooling air inlet duct (2). A filter screen (4) is fitted inside the indoor ventilation pipe (3). A connecting frame (5) is fixedly connected to one side of the indoor ventilation pipe (3). A support frame (6) is fixedly connected to the inner wall of the connecting frame (5). A cleaning component (7) is fixedly connected to one side of the support frame (6). The top of the excitation slip ring cooling air inlet duct (2) is fixedly... A fixed frame (8) is fixedly connected, and a baffle (9) is slidably connected inside the fixed frame (8). A threaded rod (10) is rotatably connected to the top of the baffle (9). A rotating assembly (11) is threadedly connected to the surface of the threaded rod (10). One end of the excitation slip ring cooling air inlet duct (2) is connected to a connecting pipe (12). One end of the connecting pipe (12) is connected to an excitation slip ring cooling cover (13). A generator module (14) is fixedly connected to one side of the excitation slip ring cooling cover (13).

2. The generator moisture-proof and anti-fouling device according to claim 1, characterized in that: The cleaning assembly (7) includes a drive motor A (701) fixedly connected to one side of the support frame (6). The output end of the drive motor A (701) is splinedly connected to a transmission rod (702). One end of the transmission rod (702) is fixedly connected to a rotating shaft (703). One end of the rotating shaft (703) is fixedly connected to a support plate (704). The back of the support plate (704) is fixedly connected to a cleaning brush (705).

3. The generator moisture-proof and anti-fouling device according to claim 1, characterized in that: The rotating assembly (11) includes a rotating gear (1101) threaded to the surface of the threaded rod (10), a transmission gear (1102) meshing with the surface of the rotating gear (1101), and a drive motor B (1103) fixedly connected to the top of the transmission gear (1102).

4. The generator moisture-proof and anti-fouling device according to claim 3, characterized in that: The top surface of the fixed frame (8) is fixedly connected to a protective shell (15), and the surface of the drive motor B (1103) is fitted with a motor shell (16).

5. A generator moisture-proof and anti-fouling device according to claim 2, characterized in that: The surface of the drive motor A (701) is fitted with a dust cover (17), and both sides of the fixing frame (8) are provided with sliding grooves that are compatible with the baffle (9).

6. The generator moisture-proof and anti-fouling device according to claim 1, characterized in that: The top surface of the excitation slip ring cooling air inlet duct (2) is provided with a slot that matches the baffle (9), and the bottom of the generator module (14) is fixedly connected to a support base (18).

7. The generator moisture-proof and anti-fouling device according to claim 1, characterized in that: The top of the excitation slip ring cooling cover (13) is connected to an exhaust duct (19), and one end of the exhaust duct (19) is connected to a filter (20).

8. A generator moisture-proof and anti-fouling device according to claim 1, characterized in that: A control box (21) is fixedly connected to one side of the generator module (14), and a rotating hole adapted to the threaded rod (10) is opened on the top of the fixing frame (8).

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