Generator brushless excitation regulator with protection device

Abstract

The utility model discloses a generator brushless excitation regulator with a protection device, which comprises excitation regulation equipment, a knob protection assembly and a movable assembly, a plurality of groups of regulation knobs are arranged on one side of the excitation regulation equipment, a sliding cavity for accommodating the knob protection assembly is arranged on one side of the excitation regulation equipment, and the knob protection assembly is arranged in the sliding cavity. The rotary knob protection assembly is movably connected with the adjusting rotary knob, an oil storage cavity matched with the movable assembly is formed in one side of the sliding cavity, a lubricating oil hole is communicated with one side of the oil storage cavity, and external lubricating oil can be input into the lubricating oil hole. According to the utility model, after the adjustment of the adjusting knob is finished, the knob protection assembly can be moved to the outside of the adjusting knob through the movable assembly, and the adjusting knob is embedded in the knob protection assembly, so that the problem of parameter change caused by mistaken touch of the adjusting knob is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of excitation regulation devices for generators, and specifically to a brushless excitation regulator for generators with a protection device. Background Art

[0002] The excitation regulator (Automatic Voltage Regulator, AVR) of a generator is a device used to regulate the output voltage of the generator. Its main function is to monitor the output voltage of the generator and automatically adjust the excitation system when the voltage changes to maintain a stable output voltage. This device usually achieves stable voltage control by controlling the excitation current of the generator, ensuring that the generator can provide a stable voltage output when the load changes or other grid conditions change.

[0003] The patent with the publication number CN211127638U discloses a brushless excitation regulator for generators with a protection device. Specifically, the patent discloses the technical solution of "The utility model provides a brushless excitation regulator for generators with a protection device, including an excitation regulator main body, a screen protection frame, first fixing bolts, second fixing bolts, and a maintenance port. A handle is installed above the excitation regulator main body. The first fixing bolts are installed on both sides of the excitation regulator main body, and heat dissipation ports are arranged outside the first fixing bolts. The second fixing bolts are installed below the excitation regulator main body. The maintenance port is arranged on the rear surface of the excitation regulator main body, and a third rotating rod is arranged above the maintenance port. Third rotating bolts are arranged on both sides of the third rotating rod, and a clamping groove is arranged below the third rotating bolts", and achieves the technical effect of "By setting a button protection cover, the utility model can protect the buttons of the device, avoiding misoperation during daily use, thereby effectively providing protection measures and improving the more accurate working effect".

[0004] However, during the actual use of this device, there is a problem that the anti-misoperation structure is prone to wear and damage, resulting in the problem that the anti-misoperation structure fails to protect the adjustment knob of the excitation regulator properly. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a brushless excitation regulator for generators with a protection device to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical solutions: A brushless excitation regulator for a generator with a protection device, comprising an excitation adjustment device, a knob protection assembly, and a movable assembly. A plurality of adjustment knobs are provided on one side of the excitation adjustment device. A sliding cavity for accommodating the knob protection assembly is opened on one side of the excitation adjustment device. The knob protection assembly is movably connected to the adjustment knobs. An oil storage cavity adapted to the movable assembly is opened on one side of the sliding cavity. One side of the oil storage cavity communicates with a lubricating oil hole through which external lubricating oil can be input.

[0007] As a further scheme of the utility model: A brushless excitation regulator for a generator with a protection device, the knob protection assembly includes a protection frame and a knob groove, the movable assembly includes a movable frame and a sliding fit, the protection frame is fixedly connected to the movable frame, the sliding fit is fixedly connected to the movable frame, the knob groove is opened inside the protection frame, and the knob groove is adapted to the adjustment knobs.

[0008] As a further scheme of the utility model: A brushless excitation regulator for a generator with a protection device, the sliding fit is fixedly connected to the movable frame, a sliding hole is opened inside the sliding fit, a sliding rod is fixedly connected to the inner side of the oil storage cavity, and the sliding hole is adapted to the sliding rod.

[0009] As a further scheme of the utility model: A brushless excitation regulator for a generator with a protection device, the lubricating oil hole is of a tapered opening structure, and the diameter of the top opening of the lubricating oil hole is much larger than the diameter of the bottom opening of the lubricating oil hole.

[0010] As a further scheme of the utility model: A brushless excitation regulator for a generator with a protection device, the inner bottom wall of the oil storage cavity is a slope.

[0011] As a further scheme of the utility model: A brushless excitation regulator for a generator with a protection device, a shielding frame is fixedly connected to one side of the oil storage cavity, and the side surface of the sliding fit is movably connected to the shielding frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. Since a sliding cavity for accommodating the knob protection assembly is opened on one side of the excitation adjustment device, the knob protection assembly is movably connected to the adjustment knobs, an oil storage cavity adapted to the movable assembly is opened on one side of the sliding cavity, one side of the oil storage cavity communicates with a lubricating oil hole through which external lubricating oil can be input, so after the adjustment knobs are adjusted, the knob protection assembly can be moved to the outside of the adjustment knobs through the movable assembly and the adjustment knobs can be embedded inside the knob protection assembly, so that the problem that the adjustment knobs are accidentally touched and the parameters are changed will not occur.

[0014] 2. Add lubricating oil into the interior of the oil storage cavity through the lubricating oil hole, so that the moving components in the oil storage cavity can avoid problems such as rusting or getting stuck due to excessive friction during movement, ensuring that the knob protection component can move freely and smoothly during use, and improving the efficiency of equipment switching and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 FIG. 1 is one of the schematic diagrams of the overall structure of a brushless excitation regulator for a generator with a protection device according to the present invention;

[0016] Figure 2 FIG. 2 is another schematic diagram of the overall structure of a brushless excitation regulator for a generator with a protection device according to the present invention;

[0017] Figure 3 FIG. 3 is a schematic diagram of the structure of the knob protection component and the moving component of a brushless excitation regulator for a generator with a protection device according to the present invention;

[0018] Figure 4 FIG. 4 is a schematic sectional view of the sliding cavity of a brushless excitation regulator for a generator with a protection device according to the present invention;

[0019] Figure 5 FIG. 5 is a brushless excitation regulator for a generator with a protection device according to the present invention Figure 4 an enlarged view of part A;

[0020] In the figure: 1. Excitation regulation equipment; 2. Adjustment knob; 3. Knob protection component; 31. Protection frame; 32. Knob groove; 4. Moving component; 41. Moving frame; 42. Sliding fit; 43. Sliding hole; 5. Sliding cavity; 6. Lubricating oil hole; 7. Oil storage cavity; 8. Shielding frame; 9. Sliding rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected", "set" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following will describe the embodiments according to the overall structure of the present utility model.

[0023] In an embodiment of the present utility model, a brushless excitation regulator for a generator with a protection device includes an excitation regulation device 1, a knob protection assembly 3, and a movable assembly 4. A plurality of adjustment knobs 2 are provided on one side of the excitation regulation device 1. A sliding cavity 5 for accommodating the knob protection assembly 3 is opened on one side of the excitation regulation device 1. The knob protection assembly 3 is movably connected to the adjustment knob 2. An oil storage cavity 7 adapted to the movable assembly 4 is opened on one side of the sliding cavity 5. One side of the oil storage cavity 7 is communicated with a lubricating oil hole 6 through which external lubricating oil can be input.

[0024] Another embodiment of the present utility model: Since a sliding cavity 5 for accommodating the knob protection assembly 3 is opened on one side of the excitation regulation device 1, the knob protection assembly 3 is movably connected to the adjustment knob 2, an oil storage cavity 7 adapted to the movable assembly 4 is opened on one side of the sliding cavity 5, one side of the oil storage cavity 7 is communicated with a lubricating oil hole 6 and the lubricating oil hole 6 can supply external lubricating oil input, after the adjustment knob 2 is adjusted, the knob protection assembly 3 can be moved to the outside of the adjustment knob 2 through the movable assembly 4 and the adjustment knob 2 can be embedded inside the knob protection assembly 3, so that the problem that the adjustment knob 2 is accidentally touched and the parameters are changed can be avoided.

[0025] Another embodiment of the present utility model: Lubricating oil is added into the oil storage cavity 7 through the lubricating oil hole 6, so that the problem that the movable assembly 4 in the oil storage cavity 7 is stuck due to rusting or excessive friction during the movement can be avoided, ensuring that the knob protection assembly 3 can move freely and smoothly during use and improving the efficiency of equipment switching and use.

[0026] As a further solution of the present utility model: A brushless excitation regulator for a generator with a protection device, the knob protection assembly 3 includes a protection frame 31 and a knob groove 32, the movable assembly 4 includes a movable frame 41 and a sliding fit 42, the protection frame 31 is fixedly connected to the movable frame 41, the sliding fit 42 is fixedly connected to the movable frame 41, the knob groove 32 is opened inside the protection frame 31, and the knob groove 32 is adapted to the adjustment knob 2.

[0027] As a further solution of the present utility model: A brushless excitation regulator for a generator with a protection device, the sliding fit 42 is fixedly connected to the movable frame 41, a sliding hole 43 is opened inside the sliding fit 42, a sliding rod 9 is fixedly connected to the inner side of the oil storage cavity 7, and the sliding hole 43 is adapted to the sliding rod 9.

[0028] As a further solution of the present utility model: A brushless excitation regulator for a generator with a protection device, the lubricating oil hole 6 is of a tapered opening structure, and the diameter of the top opening of the lubricating oil hole 6 is much larger than the diameter of the bottom opening of the lubricating oil hole 6.

[0029] As a further solution of the present utility model: A brushless excitation regulator for a generator with a protection device, the inner bottom wall of the oil storage cavity 7 is a slope.

[0030] As a further solution of the present utility model: A brushless excitation regulator for a generator with a protection device, a shielding frame 8 is fixedly connected to one side of the oil storage cavity 7, and the side surface of the sliding fit 42 is movably connected to the shielding frame 8.

[0031] The working principle of the present utility model is: Since a sliding cavity 5 for accommodating the knob protection assembly 3 is opened on one side of the excitation regulation device 1, the knob protection assembly 3 is movably connected to the adjustment knob 2, an oil storage cavity 7 adapted to the movable assembly 4 is opened on one side of the sliding cavity 5, one side of the oil storage cavity 7 is communicated with a lubricating oil hole 6 and the lubricating oil hole 6 can supply external lubricating oil to enter, so after the adjustment knob 2 is adjusted, the knob protection assembly 3 can be moved to the outside of the adjustment knob 2 through the movable assembly 4 and the adjustment knob 2 is embedded inside the knob protection assembly 3, so that the problem that the adjustment knob 2 is accidentally touched and the parameters are changed will not occur.

[0032] Lubricating oil is added into the oil storage cavity 7 through the lubricating oil hole 6, so that the movable assembly 4 in the oil storage cavity 7 can avoid problems such as rusting or getting stuck due to excessive friction during the movement process, ensuring that the knob protection assembly 3 can move freely and smoothly during use, and improving the efficiency of equipment switching and use.

[0033] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, making equivalent substitutions or changes should be covered within the protection scope of the present utility model.

Claims

1. A brushless excitation regulator for a generator with a protection device, characterized in that, It includes an excitation regulation device (1), a knob protection assembly (3) and a movable assembly (4). On one side of the excitation regulation device (1), there are several groups of adjustment knobs (2). A sliding cavity (5) for accommodating the knob protection assembly (3) is provided on one side of the excitation regulation device (1). The knob protection assembly (3) is movably connected to the adjustment knob (2). An oil storage cavity (7) adapted to the movable assembly (4) is provided on one side of the sliding cavity (5). A lubricating oil hole (6) is communicated with one side of the oil storage cavity (7), and the lubricating oil hole (6) can be used for external lubricating oil to be input.

2. The brushless excitation regulator for a generator with a protection device according to claim 1, characterized in that, The knob protection assembly (3) includes a protection frame (31) and a knob groove (32). The movable assembly (4) includes a movable frame (41) and a sliding fit (42). The protection frame (31) is fixedly connected to the movable frame (41). The sliding fit (42) is fixedly connected to the movable frame (41). The knob groove (32) is provided inside the protection frame (31), and the knob groove (32) is adapted to the adjustment knob (2).

3. A brushless excitation regulator for a generator with a protection device according to claim 2, characterized in that, The sliding fit (42) is fixedly connected to the movable frame (41). A sliding hole (43) is provided inside the sliding fit (42). A sliding rod (9) is fixedly connected to the inner side of the oil storage cavity (7). The sliding hole (43) is adapted to the sliding rod (9).

4. A brushless excitation regulator for a generator with a protection device according to claim 3, characterized in that, The lubricating oil hole (6) is of a tapered opening structure, and the diameter of the top opening of the lubricating oil hole (6) is much larger than the diameter of the bottom opening of the lubricating oil hole (6).

5. A brushless excitation regulator for a generator with a protection device according to claim 4, characterized in that, The inner bottom wall of the oil storage cavity (7) is a slope surface.

6. The brushless excitation regulator of a generator with a protection device according to claim 5, characterized in that, A shielding frame (8) is fixedly connected to one side of the oil storage cavity (7). The side surface of the sliding fit (42) is movably connected to the shielding frame (8).

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