CN110531192B

CN110531192B - Automatic experimental apparatus of electric power system

Info

Publication number: CN110531192B
Application number: CN201910796915.0A
Authority: CN
Inventors: 宋晓茹; 高嵩; 陈超波; 曹凯; 高雅; 杜光辉; 黄姣茹
Original assignee: Xian Technological University
Current assignee: Xian Technological University
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2023-02-28
Anticipated expiration: 2039-08-27
Also published as: CN110531192A

Abstract

The invention discloses an automatic experimental device for an electric power system, and relates to the technical field of electric power experimental equipment. The multifunctional experiment table comprises an experiment table main body, wherein a cabinet body is fixedly connected to one side of the experiment table main body, the front end face and the two side faces of the cabinet body are both provided with openings, a sliding rod is fixed between the top and the bottom of three corners in the cabinet body, a screw rod is rotatably connected between the top and the bottom of the other corner, a lifting motor in transmission connection with the screw rod is fixed to the top of the cabinet body, a lifting table is in sliding fit with the surface of the sliding rod, the lifting table is in threaded fit with the screw rod, a rotating motor is fixed to the bottom end of the lifting table, and the output end of the rotating motor is in transmission connection with a rotating table. The cabinet body is used for placing and protecting the electrical equipment, so that the service life of the experimental equipment can be prolonged, the safety of experiments is ensured, the functions of actively driving to lift and rotate are realized, the position of the equipment can be adjusted, the running state of the electrical equipment can be conveniently observed through the glass door, and the experimental noise can be reduced.

Description

Automatic experimental apparatus of electric power system

Technical Field

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

Background

At present, the teaching aid related to electric power system experimental equipment widely applied to a high-education system is the most advanced and representative electric power system experimental platform developed by Wuhanhua large electric power automatic technology finite liability company, synchronous paralleling, excitation control, generator speed regulation and other teaching experiments can be carried out on the experimental device, multiple adjustment and control modes are provided, a manual automatic quasi-synchronous mode, a semi-automatic quasi-synchronous mode and a full-automatic quasi-synchronous mode can be adopted in the synchronous control mode, and the excitation control mode can be a constant UF mode, a constant IL mode, a constant u mode and a constant Q mode.

Current experimental apparatus, when carrying out the electric power system inspection, the automatic experimental apparatus of electric system majority does not have the function of conveniently fixing electrical equipment like the generator, and the generator is fixed to be placed on ground or shelf, and not only big noise and security are low, injures people because of student's maloperation easily to owing to lack and accomodate, electrical equipment also receives external environment factor destruction impaired easily, reduces sensitivity and life.

Disclosure of Invention

The invention aims to provide an automatic experimental device for an electric power system, which can be used for accommodating, placing and protecting electrical equipment, can reduce noise, is convenient for experimental observation and solves the problems in the background art.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an automatic experimental device of an electric power system, which comprises an experiment table main body, wherein one side of the experiment table main body is fixedly connected with a cabinet body, the front end face and two side faces of the cabinet body are both provided with openings, a sliding rod is fixed between the top and the bottom of three corners in the cabinet body, a lead screw is rotatably connected between the top and the bottom of the other corner, a lifting motor in transmission connection with the lead screw is fixed at the top of the cabinet body, a lifting table is in sliding fit with the surface of the sliding rod, the lifting table is in threaded fit with the lead screw, a rotating motor is fixed at the bottom end of the lifting table, a rotating table is in transmission connection with the output end of the rotating motor, the rotating table is rotatably connected with the top end of the lifting table through a rotary support, a driving electric box is fixed at the bottom end of the lifting table, and a glass cabinet door is hinged to the front end face and the side faces of the cabinet body.

Furthermore, a control switch electrically connected with the driving electronic box is fixedly mounted on the surface of the panel of the experiment table main body.

Further, the rotating platform comprises a bottom plate and a floating disc, the floating disc is arranged above the bottom plate and is in sliding fit with the bottom plate, and a spring is fixed between the bottom of the floating disc and the bottom plate.

Furthermore, the glass cabinet door comprises a rectangular outer frame and a hollow glass plate hermetically fixed in the rectangular outer frame.

Furthermore, a supporting leg is fixed at the bottom end of the lifting platform.

Furthermore, the bottom of the cabinet body is fixedly provided with universal brake wheels.

Furthermore, a door lock is arranged between the glass cabinet door and the cabinet body.

The invention has the following beneficial effects:

the cabinet body is used for placing and protecting the electrical equipment, so that the service life of the experimental equipment can be prolonged, the safety of experiments is guaranteed, the cabinet body has the functions of actively driving the lifting and rotating, the position of the equipment can be adjusted, the running state of the electrical equipment can be conveniently observed through the glass door, and the experimental noise can be reduced.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of the structure of the upper left view of the power system automation experimental apparatus of the present invention;

FIG. 2 is a schematic diagram of a left front view of the power system automation experimental apparatus of the present invention;

fig. 3 is a sectional view of the internal structure of the cabinet.

In the drawings, the reference numbers indicate the following list of parts:

1-experiment table main body, 2-cabinet body, 3-slide bar, 4-screw rod, 5-lifting motor, 6-lifting table, 7-rotating motor, 8-rotating table, 9-driving electric box, 10-glass cabinet door, 11-control switch, 12-bottom plate, 13-floating disc, 14-spring, 15-supporting leg, 16-universal brake wheel and 17-door lock.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the invention relates to an automatic experimental device of an electric power system, which comprises an experiment table main body 1, wherein one side of the experiment table main body 1 is fixedly connected with a cabinet body 2, the front end surface and two side surfaces of the cabinet body 2 are both provided with openings, a slide rod 3 is fixed between the top and the bottom of three corners in the cabinet body 2, a screw rod 4 is rotatably connected between the top and the bottom of the rest corner, a lifting motor 5 in transmission connection with the screw rod 4 is fixed at the top of the cabinet body 2, a lifting table 6 is in sliding fit with the surface of the slide rod 3, the lifting table 6 is in threaded fit with the screw rod 4, and the lifting motor 5 can drive the lifting table 6 to lift up and down through the screw rod 4; 6 bottom mounting of elevating platform has rotating

electrical machines

7, and 7 output end transmissions of rotating electrical machines are connected with revolving stage 8, rotates through slewing bearing between revolving stage 8 and the 6 tops of elevating platform to be connected, and rotating electrical machines 7 can drive revolving stage 8 and rotate, and 6 bottom mounting of elevating platform has drive electronic box 9, and terminal surface and side all articulate before the cabinet body 2 have a glass cabinet door 10.

Wherein, the panel fixed surface of laboratory bench main part 1 installs the control switch 11 of being connected with driving electronic box 9 electricity, is equipped with the PLC controller in the driving electronic box 9, is connected with rotating

electrical machines

7 and 5 electricity respectively, and the steerable rotating electrical machines 7 of

control switch

11 and 5 positive and negative rotations of elevator motor open and close to control electrical equipment's position, be convenient for observe electrical equipment's running state when controlling the experiment.

Wherein, revolving stage 8 includes bottom plate 12 and floating disc 13, and floating disc 13 locates bottom plate 12 top to with bottom plate 12 sliding fit, be fixed with spring 14 between floating disc 13 bottom and the bottom plate 12, floating disc 13 accessible bolt fastening electrical equipment, like generator 18, generator 18 connects laboratory bench main part 1, generator 18 moves on floating plate 13, and spring 14 can play the cushioning effect, reduces the noise simultaneously.

The glass cabinet door 10 comprises a rectangular outer frame and a hollow glass plate which is fixed in the rectangular outer frame in a sealing mode, and the hollow glass plate can reduce noise transmitted to the outside when electrical equipment operates, so that a good working environment of a laboratory is guaranteed.

Wherein, the bottom end of the lifting platform 6 is fixed with a supporting leg 15.

Wherein, the bottom of the cabinet body 2 is fixedly provided with universal brake wheels 16.

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

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above 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 preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an automatic experimental apparatus of electric power system, includes laboratory bench main part (1), its characterized in that: the experiment table comprises an experiment table main body (1), a cabinet body (2) is fixedly connected to one side of the experiment table main body (1), the front end face and two side faces of the cabinet body (2) are provided with openings, a sliding rod (3) is fixed between the top and the bottom of three corners in the cabinet body (2), a lead screw (4) is rotatably connected between the top and the bottom of the other corner, a lifting motor (5) in transmission connection with the lead screw (4) is fixed to the top of the cabinet body (2), a lifting table (6) is in surface sliding fit with the sliding rod (3), the lifting table (6) is in threaded fit with the lead screw (4), a rotating motor (7) is fixed to the bottom end of the lifting table (6), a rotating table (8) is in transmission connection with the output end of the rotating motor (7), the rotating table (8) is rotatably connected with the top end of the lifting table (6) through a rotary support, a driving electric box (9) is fixed to the bottom end of the lifting table (6), and a glass cabinet door (10) is hinged to the front end face and the side faces of the cabinet body (2);

a control switch (11) electrically connected with the driving electric box (9) is fixedly arranged on the surface of the panel of the experiment table main body (1);

the rotating platform (8) comprises a bottom plate (12) and a floating disc (13), the floating disc (13) is arranged above the bottom plate (12) and is in sliding fit with the bottom plate (12), and a spring (14) is fixed between the bottom of the floating disc (13) and the bottom plate (12).

2. The power system automation experiment device according to claim 1, wherein the glass cabinet door (10) comprises a rectangular outer frame and a hollow glass plate hermetically fixed in the rectangular outer frame.

3. The automatic experimental device of an electric power system as claimed in claim 1, characterized in that a supporting leg (15) is fixed at the bottom end of the lifting platform (6).

4. The automatic experimental device of an electric power system as claimed in claim 1, characterized in that a universal brake wheel (16) is fixedly mounted at the bottom of the cabinet body (2).

5. The automatic experimental facility of a power system according to claim 1, characterized in that a door lock (17) is provided between the glass cabinet door (10) and the cabinet body (2).