Synchronous generator excitation device

Abstract

The utility model provides a synchronous generator excitation device, and belongs to the technical field of synchronous generators. Comprising a shell and a mounting frame, a plurality of air inlets are formed in the shell, a rotating frame is mounted in the shell, the mounting frame is mounted in the rotating frame, a filter screen is mounted in the mounting frame, a groove is formed in the shell, a support is mounted in the groove, and a cleaning brush is mounted at the top end of the support. The cleaning brush is arranged, the filter screen is installed in the installation frame, the cleaning brush is installed in the groove formed in the shell through the support, the cleaning brush makes contact with the surface of the filter screen, then the power bevel gear is driven to rotate by rotating the adjusting block, and the filter screen is driven to rotate through meshing between the power bevel gear and the transmission bevel gear. And then dust attached to the surface of the filter screen can be conveniently cleaned through a cleaning brush installed outside the support.

Description

Technical Field

[0001] The utility model relates to the technical field of synchronous generators, in particular to an excitation device for a synchronous generator. Background Art

[0002] The excitation device refers to an electrical control device in the excitation system of a synchronous generator that can control and regulate the excitation current in addition to the excitation power supply; the excitation system includes the excitation power supply and the excitation device, in which the main body of the excitation power supply is the excitation machine or the excitation transformer; the excitation device is composed of a regulating panel, a control panel, a demagnetization panel and a rectifier panel according to different specifications, models and usage requirements; the use of the excitation device is to maintain the terminal voltage of the synchronous generator at a given level when the power system is working normally. At the same time, it also has the functions of forced magnetization, demagnetization and demagnetization.

[0003] During the use of the synchronous generator excitation device, dust is easy to fall on the excitation device, and the dust accumulation on the surface of the excitation device is not conducive to the heat dissipation of the excitation device. Therefore, it is necessary to frequently clean the dust attached to the surface of the filter. However, when it is necessary to clean the dust attached to the surface of the filter, the filter needs to be removed, which makes it inconvenient to clean the dust attached to the filter. Therefore, the present application provides an outdoor propaganda device for ideological and political education with a sound amplification function to meet the needs. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an excitation device for a synchronous generator to solve the problem that the existing excitation device is inconvenient to clean the dust attached to the surface of the filter screen.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A synchronous generator excitation device comprises a shell, an excitation device body and a mounting frame, wherein a fixed sleeve is installed inside the shell, the excitation device body is installed inside the fixed sleeve, a plurality of air inlets are provided on the shell, a rotating frame is installed inside the shell, the mounting frame is installed inside the rotating frame, a filter is installed inside the mounting frame, a groove is provided inside the shell, a bracket is installed inside the groove, a cleaning brush is installed on the top of the bracket, an installation box is installed on the outer wall of the shell, and a collection box is installed inside the installation box.

[0007] Optionally, a connecting block is installed on the outer wall of the mounting frame, a card slot is provided inside the connecting block, a card block is fixedly sleeved inside the card slot, a mounting plate is installed on the top of the card block, a mounting slot is provided inside the outer shell, a rotating sleeve is installed inside the mounting slot, a rotating rod is rotatably sleeved inside the rotating sleeve, a transmission bevel gear is installed on the top of the mounting plate, a power bevel gear is installed on one end of the rotating rod, the power bevel gear is meshed with the transmission bevel gear, and an adjustment block is installed on the other end of the rotating rod.

[0008] Optionally, a limiting slide groove is provided inside the installation box, and a limiting slider is installed outside the collection box, and the limiting slider is rotatably sleeved inside the limiting slide groove.

[0009] Optionally, a positioning slot is provided inside the rotating frame, a positioning slider is installed on the outer wall of the mounting frame, and the positioning slider is rotatably sleeved inside the positioning slot.

[0010] Compared with the prior art, the utility model has at least the following beneficial effects:

[0011] In the above scheme, a cleaning brush is provided, the filter is installed inside the mounting frame, and the cleaning brush is installed in a groove provided inside the shell through a bracket so that the cleaning brush contacts the surface of the filter, and then the power bevel gear is driven to rotate by rotating the adjusting block, and the engagement between the power bevel gear and the transmission bevel gear is utilized to drive the mounting frame to rotate inside the rotating frame, and then the cleaning brush installed outside the bracket is utilized to facilitate cleaning of dust attached to the surface of the filter.

[0012] By setting up a collection box, the installation box is installed on the outer wall of the shell so that the installation box is under the groove, and then the collection box is installed inside the installation box by utilizing the sliding connection between the limiting slider and the limiting slide groove so that the collection box is installed under the groove, thereby facilitating the collection of dust cleaned by the cleaning brush. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the present invention and enable those skilled in the relevant art to make and use the present invention.

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of a synchronous generator excitation device;

[0015] Figure 2 It is a schematic diagram of the main structure of a synchronous generator excitation device;

[0016] Figure 3 It is a left-side structural schematic diagram of a synchronous generator excitation device;

[0017] Figure 4 for Figure 3 Schematic diagram of the AA section structure;

[0018] Figure 5 for Figure 4 Schematic diagram of the partially enlarged structure of part A.

[0019] [Reference Signs]

[0020] 1. Shell; 2. Excitation device body; 3. Fixed sleeve; 4. Air inlet; 5. Rotating frame; 6. Mounting frame; 7. Filter; 8. Groove; 9. Bracket; 10. Cleaning brush; 11. Connecting block; 12. Slot; 13. Block; 14. Mounting plate; 15. Transmission bevel gear; 16. Mounting slot; 17. Rotating sleeve; 18. Rotating rod; 19. Power bevel gear; 20. Adjusting block; 21. Positioning slide; 22. Positioning slider; 23. Mounting box; 24. Limiting slide; 25. Limiting slider; 26. Collection box.

[0021] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0022] The following is a detailed description of a synchronous generator excitation device provided by the utility model in combination with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternative methods to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0023] It should be noted that the references to "one embodiment", "embodiment", "exemplary embodiments", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0024] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0025] It is to be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers, and “on” or “above” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers.

[0026] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0027] like Figures 1 to 5 As shown, an embodiment of the utility model provides an excitation device of a synchronous generator, including a shell 1, an excitation device body 2 and a mounting frame 6, a fixed sleeve 3 is installed inside the shell 1, the excitation device body 2 is installed inside the fixed sleeve 3, a plurality of air inlets 4 are arranged inside the shell 1, a rotating frame 5 is installed inside the shell 1, the mounting frame 6 is installed inside the rotating frame 5, a filter screen 7 is installed inside the mounting frame 6, a groove 8 is arranged inside the shell 1, a bracket 9 is installed inside the groove 8, and a cleaning brush 10 is installed on the top of the bracket 9.

[0028] like Figure 2 , Figure 4 and Figure 5As shown, the outer wall of the mounting frame 6 is installed with a connecting block 11, a card slot 12 is provided inside the connecting block 11, a card slot 12 is fixedly sleeved inside the card slot 12, a mounting plate 14 is installed on the top of the card slot 13, a mounting slot 16 is provided inside the housing 1, a rotating sleeve 17 is connected inside the mounting slot 16, a rotating rod 18 is rotatably sleeved inside the rotating sleeve 17, a transmission bevel gear 15 is installed on the top of the mounting plate 14, a power bevel gear 19 is installed at one end of the rotating rod 18, the power bevel gear 19 is meshed with the transmission bevel gear 15, and an adjusting Block 20, by setting a cleaning brush 10, the filter 7 is installed inside the mounting frame 6, and the cleaning brush 10 is installed in the groove 8 set inside the shell 1 through the bracket 9, so that the cleaning brush 10 contacts the surface of the filter 7, and then the power bevel gear 19 is driven to rotate by rotating the adjustment block 20, and the engagement between the power bevel gear 19 and the transmission bevel gear 15 is utilized to drive the mounting frame 6 to rotate inside the rotating frame 5, and then the cleaning brush 10 installed outside the bracket 9 is utilized to facilitate the cleaning of dust attached to the surface of the filter 7.

[0029] like Figure 3 and Figure 4 As shown, an installation box 23 is installed on the outer wall of the shell 1, and a collection box 26 is installed inside the installation box 23. A limiting slide groove 24 is arranged inside the installation box 23, and a limiting slider 25 is installed outside the collection box 26. The limiting slider 25 is rotatably sleeved inside the limiting slide groove 24. By setting the collection box 26, the installation box 23 is installed on the outer wall of the shell 1, so that the installation box is under the groove, and then the collection box is installed inside the installation box by utilizing the sliding connection between the limiting slider 25 and the limiting slide groove 24, so that the collection box 26 is installed below the groove 8, so as to facilitate the collection of dust cleaned by the cleaning brush 10.

[0030] like Figure 4 As shown, a positioning slot 21 is provided inside the rotating frame 5 , and a positioning slider 22 is installed on the outer wall of the mounting frame 6 , and the positioning slider 22 is rotatably sleeved inside the positioning slot 21 .

[0031] The technical solution provided by the utility model is to install the filter inside the installation frame by arranging a cleaning brush, and install the cleaning brush in a groove arranged inside the shell through a bracket, so that the cleaning brush contacts the surface of the filter, and then drive the power bevel gear to rotate by rotating the adjustment block, and utilize the meshing between the power bevel gear and the transmission bevel gear to drive the installation frame to rotate inside the rotating frame, and then utilize the cleaning brush installed outside the bracket to facilitate cleaning of dust attached to the surface of the filter.

[0032] By setting up a collection box, the installation box is installed on the outer wall of the shell so that the installation box is under the groove, and then the collection box is installed inside the installation box by utilizing the sliding connection between the limiting slider and the limiting slide groove so that the collection box is installed under the groove, thereby facilitating the collection of dust cleaned by the cleaning brush.

[0033] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A synchronous generator excitation device, comprising a housing, an excitation device body and a mounting frame, characterized in that: A fixed sleeve is installed inside the shell, the main body of the excitation device is installed inside the fixed sleeve, a plurality of air inlets are arranged on the shell, a rotating frame is installed inside the shell, the mounting frame is installed inside the rotating frame, a filter is installed inside the mounting frame, a groove is arranged inside the shell, a bracket is installed inside the groove, a cleaning brush is installed on the top of the bracket, a connecting block is installed on the outer wall of the mounting frame, and a card slot is arranged inside the connecting block.

2. The synchronous generator excitation device according to claim 1, characterized in that: A card block is fixedly sleeved inside the card slot, a mounting plate is installed on the top of the card block, and a mounting slot is arranged inside the shell.

3. The synchronous generator excitation device according to claim 2, characterized in that: A rotating sleeve is installed inside the installation groove, a rotating rod is rotatably sleeved inside the rotating sleeve, and a transmission bevel gear is installed on the top of the installation plate.

4. The synchronous generator excitation device according to claim 3, characterized in that: A power bevel gear is installed at one end of the rotating rod, and the power bevel gear is meshed with the transmission bevel gear.

5. The synchronous generator excitation device according to claim 4, characterized in that: An adjusting block is installed at the other end of the rotating rod.

6. The synchronous generator excitation device according to claim 1, characterized in that: An installation box is installed on the outer wall of the shell, and a collection box is installed inside the installation box.

7. The synchronous generator excitation device according to claim 6, characterized in that: A limiting slide groove is arranged inside the installation box, and a limiting slide block is installed outside the collection box.

8. The synchronous generator excitation device according to claim 7, characterized in that: The limiting sliding block is rotatably sleeved in the limiting sliding groove.

9. The synchronous generator excitation device according to claim 1, characterized in that: A positioning slide groove is arranged inside the rotating frame, and a positioning slide block is installed on the outer wall of the installation frame.

10. The synchronous generator excitation device according to claim 9, characterized in that: The positioning slide block is rotatably sleeved inside the positioning slide groove.

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