Automatic voltage control device for thermal power plant

Abstract

The utility model discloses an automatic voltage control device for a thermal power plant, which relates to the technical field of voltage control appliance fixing and comprises a fixing plate, a control device is mounted in the middle of one end of the fixing plate, fixing grooves are formed in two sides of the fixing plate and penetrate through the fixing plate, and fixing bolts are mounted on the inner sides of the fixing grooves. Through grooves are formed in the two sides of the upper end of the fixing plate. The fixing plate is matched with the moving block on the rear side, so that the automatic voltage control device can be conveniently fixed on the fixing plate, the stability of the automatic voltage control device is improved, the function of fixing the automatic voltage control device can be realized, and the connecting rod is matched with the threaded round frame, so that the automatic voltage control device can be fixed conveniently. The automatic voltage control device is convenient to adjust according to fixing holes in different fixing plates, the convenience of installation of the automatic voltage control device is improved, the function of installing and fixing the automatic voltage control device can be achieved, and finally the problem that the automatic voltage control device of the thermal power plant is inconvenient to disassemble, assemble and fix is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of voltage control tool fixing, in particular to an automatic voltage control device for a thermal power plant. Background Art

[0002] The earliest thermal power plant voltage control was completely dependent on manual operation. The operator controlled the voltage by adjusting the excitation current of the generator. This method was inefficient and difficult to maintain a stable voltage level. With the development of automatic control technology, thermal power plants began to introduce some simple automatic control devices, such as PID controllers, which can achieve basic control of voltage, but still require manual intervention for adjustment. The existing thermal power plant automatic voltage control device usually consists of the following parts: voltage detector, controller, actuator, monitoring system and communication interface; and the existing thermal power plant automatic voltage control device is prone to loosening or rusting of the fixing mechanism due to a long period of time during use, which leads to the thermal power automatic voltage control device becoming loose or rusted after installation and unable to be disassembled; therefore, the above technical problems need to be solved. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes an automatic voltage control device for a thermal power plant.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automatic voltage control device for a thermal power plant, comprising a fixing plate, a control device is installed in the middle of one end of the fixing plate, and fixing grooves are opened on both sides of the fixing plate, the fixing grooves penetrate the fixing plate, and fixing bolts are installed on the inner sides of the fixing grooves, through grooves are opened on both sides of the upper end of the fixing plate, the through grooves penetrate the fixing plate, and the through grooves form limit grooves at the upper end of the control device.

[0005] Preferably, a connecting rod is installed at the upper end of the limiting groove, and one end of the connecting rod is connected to the inner side of the square groove.

[0006] Preferably, the square groove is opened on the inner side of the moving block, and the square groove penetrates the notch to form a groove.

[0007] Preferably, a threaded circular frame is installed inside the notch, and grooves are provided at both upper and lower ends of the notch, and clamping blocks are provided inside the grooves, and the clamping blocks are fixedly connected to the upper and lower ends of the threaded circular frame.

[0008] Preferably, a connecting rod is installed between the threaded circular frames, one end of the connecting rod vertically extends upward to the top surface of the control device, etc., so that the top end is deflected to one side into an L shape and installed on the limiting groove.

[0009] Preferably, a cavity structure is provided between the moving block and the control device, a telescopic spring is installed inside the cavity of the control device, one end of the telescopic spring is fixed to the inner wall of the control device, and the other end is fixed to one end of the moving block.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: in the utility model, the fixing plate and the movable block on the rear side cooperate with each other, so that the automatic voltage control device is conveniently fixed on the fixing plate, the stability of the automatic voltage control device is improved, and the function of fixing the automatic voltage control device can be realized; and then the connecting rod and the threaded round frame cooperate with each other, so that it is convenient to adjust according to the fixing holes on different fixing plates, the convenience of installing the automatic voltage control device is improved, and the function of installing and fixing the automatic voltage control device can be realized, and finally the problem that the automatic voltage control device of the thermal power plant is not convenient to disassemble and fix is ​​solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0012] Figure 1 This is a schematic diagram of the overall three-dimensional structure proposed by the utility model;

[0013] Figure 2 This is a schematic diagram of the overall three-dimensional structure of the other side proposed by the utility model;

[0014] Figure 3 This is a front view structural schematic diagram of the utility model;

[0015] Figure 4 It is a side view structural schematic diagram of the utility model;

[0016] Figure 5 This is a rear cross-sectional structural schematic diagram of the utility model.

[0017] Serial numbers in the figure: 1. fixing plate; 2. control device; 3. fixing groove; 4. fixing bolt; 5. through groove; 6. connecting rod; 7. limiting groove; 8. square groove; 9. notch; 10. moving block; 11. telescopic spring; 12. groove; 13. threaded round frame. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Example: See Figure 1-5An automatic voltage control device for a thermal power plant in the utility model comprises a fixing plate 1, a control device 2 is installed in the middle of one end of the fixing plate 1, and fixing grooves 3 are provided on both sides of the fixing plate 1, the fixing grooves 3 penetrate the fixing plate 1, and fixing bolts 4 are installed on the inner sides of the fixing grooves 3, through grooves 5 are provided on both sides of the upper end of the fixing plate 1, the through grooves 5 penetrate the fixing plate 1, and the through grooves 5 form limiting grooves 7 at the upper end of the control device 2, through the fixing grooves 3 on both sides of the fixing plate 1, it is convenient to fix through the fixing bolts 4; a connecting rod 6 is installed on the upper end of the limiting groove 7, one end of the connecting rod 6 is connected to the inner side of the square groove 8, and through the connecting rod 6 on the limiting groove 7, it is convenient to adjust the fixed position through the connecting rod 6.

[0020] In the present invention, the square groove 8 is provided on the inner side of the moving block 10, and the square groove 8 penetrates the notch 9 to form a groove 12, and the direction groove 8 on the inner side of the moving block 10 is used to facilitate the formation of adjustable movement; a threaded round frame 13 is installed on the inner side of the notch 9, and grooves are provided on both the upper and lower ends of the notch 9, and a clamping block is provided on the inner side of the groove, and the clamping block is fixedly connected to the upper and lower ends of the threaded round frame 13, and the threaded round frame 13 on the inner side of the moving block 10 is convenient for fixed connection by fixing bolts 4; a connecting rod 6 is installed between the threaded round frames 13, and the connection One end of the rod 6 extends vertically upward to the top surface of the control device 2, so that the top end is deflected to one side into an L shape and installed on the limit groove 7. Through the connecting rod 6 on the limit groove 7, the position of the threaded round frame 13 can be easily adjusted through the connecting rod 6; a cavity structure is opened between the moving block 10 and the control device 2, and a telescopic spring 11 is installed on the inner side of the cavity of the control device 2. One end of the telescopic spring 11 is fixedly connected to the inner wall of the control device 2, and the other end is fixedly connected to one end of the moving block 10. Through the telescopic spring 11 on one side of the moving block 10, the moving block 10 is convenient to reciprocate.

[0021] Working principle: When the utility model is used, first, the fixing grooves 3 on both sides of the fixing plate 1 are used to facilitate fixing the voltage controller on the connecting plate through the fixing bolts 4, and then the through grooves 5 on the upper ends of the fixing bolts 4 are used to facilitate adjusting the position of the threaded circular frame 13 through the connecting rod 6, and then the through grooves 5 on the control device 2 are used to facilitate fixing the connecting rod 6, and then the square grooves 8 and the inner grooves 12 are used to facilitate forming a cavity inside the moving block 10, and then the threaded circular frame 13 is used to facilitate clamping and fixing through the threaded circular frame 13 inside the notch 9, and then the threaded circular frame 13 is driven to move by the connecting rod 6 through the limiting grooves 7, and then the threaded circular frame 13 is fixed by the connecting rod 6, and then the telescopic spring 11 on one side of the moving block 10 is used to facilitate reciprocating movement of the moving block 10, and finally the installation of the control device 2 can be completed.

[0022] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic voltage control device for a thermal power plant, comprising a fixed plate (1), characterized in that: A control device (2) is installed in the middle of one end of the fixing plate (1), and fixing grooves (3) are provided on both sides of the fixing plate (1), the fixing grooves (3) penetrate the fixing plate (1), and fixing bolts (4) are installed inside the fixing grooves (3), and through grooves (5) are provided on both sides of the upper end of the fixing plate (1), the through grooves (5) penetrate the fixing plate (1), and the through grooves (5) form limiting grooves (7) at the upper end of the control device (2).

2. The automatic voltage control device for a thermal power plant according to claim 1, characterized in that: A connecting rod (6) is installed at the upper end of the limiting groove (7), and one end of the connecting rod (6) is connected to the inner side of the square groove (8).

3. The automatic voltage control device for a thermal power plant according to claim 2, characterized in that: The square groove (8) is opened on the inner side of the moving block (10), and the square groove (8) penetrates the notch (9) to form a groove (12).

4. The automatic voltage control device for a thermal power plant according to claim 3, characterized in that: A threaded circular frame (13) is installed inside the notch (9), and grooves are provided at both upper and lower ends of the notch (9). A clamping block is provided inside the groove, and the clamping block is fixedly connected to both upper and lower ends of the threaded circular frame (13).

5. The automatic voltage control device for a thermal power plant according to claim 4, characterized in that: A connecting rod (6) is installed between the threaded circular frames (13), one end of the connecting rod (6) vertically extends upward to the top surface of the control device (2), etc., so that the top end is deflected to one side into an L shape and installed on the limiting groove (7).

6. The automatic voltage control device for a thermal power plant according to claim 3, characterized in that: A cavity structure is provided between the moving block (10) and the control device (2), a telescopic spring (11) is installed inside the cavity of the control device (2), one end of the telescopic spring (11) is fixedly connected to the inner wall of the control device (2), and the other end is fixedly connected to one end of the moving block (10).

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