CN110531192A - A power system automation experimental device - Google Patents

Abstract

The invention discloses an electric power system automatic experiment device, which relates to the technical field of electric power experiment equipment. The invention includes a main body of an experimental bench, one side of the main body of the experimental bench is fixedly connected with a cabinet body, the front surface and both sides of the cabinet body are provided with openings, and sliding bars are fixed between the top and bottom of the three corners inside the cabinet body, and the rest A lead screw is rotatably connected between the top and bottom of one corner, a lift motor connected to the lead screw drive is fixed on the top of the cabinet, a lift table is slidably fitted on the surface of the slide bar, the lift table is threaded with the screw rod, and the bottom end of the lift table A rotary motor is fixed, and the output end of the rotary motor is driven and connected with a rotary table. The invention places and protects the electrical equipment through the cabinet, which can improve the service life of the experimental equipment and ensure the safety of the experiment. At the same time, it has the functions of actively driving the lifting and rotating, the position of the equipment can be adjusted, and the operation state of the electrical equipment can be easily observed through the glass door. Experimental noise can also be reduced.

Description

A power system automation experimental device

technical field

The invention belongs to the technical field of electric power experimental equipment, and in particular relates to an automatic experimental device of an electric power system.

Background technique

At present, the most advanced and representative teaching aids for power system experimental equipment widely used in higher education systems is the power system experimental platform developed by Wuhan Huada Electric Power Automatic Technology Co., Ltd. , excitation control, generator speed regulation and other teaching experiments, and provides a variety of adjustment and control methods, such as manual automatic quasi-synchronization, semi-automatic quasi-synchronization and full-automatic quasi-synchronization can be used for synchronous control, and constant UF mode can be selected for excitation control. , constant IL mode, constant u mode and constant Q mode.

In the existing experimental devices, most of the electrical system automation experimental devices do not have the function of fixing electrical equipment such as generators during power system inspection. , It is easy to hurt people due to misoperation by students, and due to the lack of storage, electrical equipment is also easily damaged and damaged by external environmental factors, reducing sensitivity and service life.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an automatic experimental device for a power system, which can accommodate, place and protect electrical equipment, reduce noise, facilitate experimental observation, and solve the problems raised in the above background technology.

In order to solve the above-mentioned technical problems, the present invention is achieved through the following technical solutions:

The present invention is an automatic experimental device for a power system, comprising a main body of an experimental bench, a cabinet body is fixedly connected to one side of the main body of the experimental bench, the front face and both sides of the cabinet body are provided with openings, and there are three inside the cabinet body. A sliding rod is fixed between the top and bottom of the corner, and a lead screw is rotatably connected between the top and bottom of the other corner. The top of the cabinet is fixed with a lifting motor connected with the lead screw. The sliding rod A lift table is slidably fitted on the surface, the lift table is threadedly matched with the screw rod, a rotary motor is fixed at the bottom end of the lift table, and a rotary table is driven and connected to the output end of the rotary motor, between the rotary table and the top of the lift table A driving electric box is fixed at the bottom end of the lifting platform through the rotary connection of the slewing bearing, and a glass cabinet door is hinged on the front surface and the side surface of the cabinet body.

Further, a control switch electrically connected to the driving electric box is fixedly installed on the panel surface of the main body of the test bench.

Further, the rotary table includes a bottom plate and a floating plate, the floating plate is arranged above the bottom plate and is slidably matched with the bottom plate, and a spring is fixed between the bottom of the floating plate and the bottom plate.

Further, the glass cabinet door includes a rectangular outer frame and an insulating glass plate sealed and fixed in the rectangular outer frame.

Further, a support leg is fixed at the bottom end of the lifting platform.

Further, a universal brake wheel is fixedly installed at the bottom of the cabinet.

Further, a door lock is provided between the glass cabinet door and the cabinet body.

The present invention has the following beneficial effects:

The invention places and protects the electrical equipment through the cabinet, which can improve the service life of the experimental equipment and ensure the safety of the experiment. At the same time, it has the functions of actively driving the lifting and rotating, the position of the equipment can be adjusted, and the operation state of the electrical equipment can be easily observed through the glass door. Experimental noise can also be reduced.

Of course, it is not necessary for any product embodying the present invention to achieve all of the above-described advantages simultaneously.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of the power system automation experimental device of the present invention from an upper left perspective;

Fig. 2 is the structural schematic diagram of the left front view of the power system automation experimental device of the present invention;

FIG. 3 is a cross-sectional view of the internal structure of the cabinet.

In the accompanying drawings, the list of components represented by each number is as follows:

1-The main body of the experimental bench, 2-Cabinet, 3-Sliding rod, 4-Screw, 5-Lifting motor, 6-Lifting table, 7-Rotating motor, 8-Rotating table, 9-Drive electric box, 10-Glass Cabinet door, 11- control switch, 12- bottom plate, 13- floating disc, 14- spring, 15- supporting leg, 16- universal brake wheel, 17- door lock.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.

Please refer to FIGS. 1-3. The present invention is an automatic experimental device for a power system, including a main body 1 of a test bench. A cabinet 2 is fixedly connected to one side of the main body of the experimental bench 1. The front and both sides of the cabinet 2 are open. Setting, a sliding rod 3 is fixed between the top and bottom of the three corners inside the cabinet 2, and a screw 4 is rotatably connected between the top and bottom of the other corner, and the top of the cabinet 2 is fixed with a screw 4 The lifting motor 5 connected by the transmission, the surface of the sliding rod 3 is slidably fitted with a lifting table 6, and the lifting table 6 is threadedly matched with the screw rod 4. The lifting motor 5 can drive the lifting table 6 to lift up and down through the screw rod 4; the bottom end of the lifting table 6 is fixed with a The rotary motor 7, the output end of the rotary motor 7 is connected with a rotary table 8, and the rotary table 8 is connected with the top of the lifting table 6 through a rotary bearing. The rotary motor 7 can drive the rotary table 8 to rotate, and the bottom end of the lifting table 6 is fixed with a drive A glass cabinet door 10 is hinged on the front and side surfaces of the electrical box 9 and the cabinet body 2 .

The control switch 11 electrically connected to the driving electric box 9 is fixedly installed on the panel surface of the main body 1 of the test bench. The driving electric box 9 is provided with a PLC controller, which is electrically connected to the rotating motor 7 and the lifting motor 5 respectively. The control switch 11 The rotating motor 7 and the lifting motor 5 can be controlled to be forward and reversed, open and close, so as to control the position of the electrical equipment, and it is convenient to observe the operation state of the electrical equipment while controlling the experiment.

The rotary table 8 includes a bottom plate 12 and a floating plate 13. The floating plate 13 is arranged above the bottom plate 12 and is slidingly matched with the bottom plate 12. A spring 14 is fixed between the bottom of the floating plate 13 and the bottom plate 12, and the floating plate 13 can be fixed by bolts. The electrical equipment, such as the generator 18, is connected to the main body 1 of the test bench. When the generator 18 runs on the floating plate 13, the spring 14 can play a damping effect and reduce noise at the same time.

The glass cabinet door 10 includes a rectangular outer frame and an insulating glass plate sealed and fixed in the rectangular outer frame. The insulating glass plate can reduce the noise transmitted to the outside when the electrical equipment is running, thereby ensuring a good working environment in the laboratory.

The bottom end of the lifting platform 6 is fixed with a support leg 15 .

Wherein, a universal brake wheel 16 is fixedly installed at the bottom of the cabinet 2 .

Wherein, a door lock 17 is provided between the glass cabinet door 10 and the cabinet body 2 .

In the description of this specification, description with reference to the terms "one embodiment," "example," "specific example," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one aspect of the present invention. in one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-disclosed preferred embodiments of the present invention are provided only to help illustrate the present invention. The preferred embodiments do not exhaust all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is to be limited only by the claims and their full scope and equivalents.

Claims (7)

1. An automated experimental device for a power system, comprising a main body (1) of an experimental bench, characterized in that: a cabinet (2) is fixedly connected to one side of the main body (1) of the experimental bench, and a front surface of the cabinet (2) is fixedly connected. and both sides are provided with openings, a sliding rod (3) is fixed between the top and the bottom of the three inner corners of the cabinet (2), and a screw rod is rotatably connected between the top and the bottom of the remaining one corner (4), the top of the cabinet body (2) is fixed with a lift motor (5) that is drivingly connected to the lead screw (4), and a lift table (6) is slidably fitted on the surface of the slide rod (3). (6) It is threaded with the screw rod (4), the bottom end of the lift table (6) is fixed with a rotary motor (7), and the output end of the rotary motor (7) is driven and connected with a rotary table (8). The platform (8) and the top of the lifting platform (6) are rotatably connected by a slewing bearing, the bottom end of the lifting platform (6) is fixed with a driving electric box (9), and the front and side surfaces of the cabinet (2) are hinged There is a glass door (10). 2 . The power system automation experiment device according to claim 1 , wherein a control switch ( 11 ) electrically connected to the driving electric box ( 9 ) is fixedly installed on the panel surface of the main body of the experiment table ( 1 ). 3 . . 3 . The power system automation experiment device according to claim 1 , wherein the rotary table ( 8 ) comprises a bottom plate ( 12 ) and a floating disk ( 13 ), and the floating disk ( 13 ) is arranged on the bottom plate 3 . Above (12) and slidingly matched with the bottom plate (12), a spring (14) is fixed between the bottom of the floating disc (13) and the bottom plate (12). 4 . The power system automation experiment device according to claim 1 , wherein the glass cabinet door ( 10 ) comprises a rectangular outer frame and an insulating glass plate sealed and fixed in the rectangular outer frame. 5 . 5 . The power system automation experiment device according to claim 1 , wherein a support leg ( 15 ) is fixed at the bottom end of the lifting platform ( 6 ). 6 . 6 . The power system automation experiment device according to claim 1 , wherein a universal brake wheel ( 16 ) is fixedly installed at the bottom of the cabinet ( 2 ). 7 . 7 . The power system automation experiment device according to claim 1 , wherein a door lock ( 17 ) is arranged between the glass cabinet door ( 10 ) and the cabinet body ( 2 ). 8 .