CN113129714A

CN113129714A - Comprehensive experiment table for high-voltage electrician practice examination

Info

Publication number: CN113129714A
Application number: CN202110514824.0A
Authority: CN
Inventors: 李孟闯; 王�华
Original assignee: Jiachen Technology Anshan Co ltd
Current assignee: Jiachen Technology Anshan Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-07-16

Abstract

The invention relates to the technical field of high-voltage electrician practical operation examinations, and discloses a comprehensive experiment table for high-voltage electrician practical operation examinations, which comprises an experiment table component, wherein the experiment table component comprises an isolating switch, a plurality of telegraph poles, an equipment cabinet, a user switch box and a transformer, the isolating switch is electrically connected to the right side of an electrical connection end of the equipment cabinet, an output end of the equipment cabinet is provided with a drop-out switch, a bottom end electric wire of the drop-out switch is connected to the primary side of the transformer, and a secondary side electric wire of the transformer is connected to an internal switch input end of the user switch box, the whole simulation system is safe and reliable in an examination process, equipment is modified by real equipment, a process flow is manufactured, the image is vivid, the actual operation is more approximate, the examination process is more standard, and the problem that an existing training teacher, teaching can only stay in theory, and students are difficult to master the whole operation process, thus increasing the difficulty of training.

Description

Comprehensive experiment table for high-voltage electrician practice examination

Technical Field

The invention relates to the technical field of high-voltage electrician practice examinations, in particular to a high-voltage electrician practice examination comprehensive experiment table.

Background

In the field of high-voltage electrician practice teaching, students have certain practical experience, but field equipment is different from examination practice equipment, and a training teacher can only adopt a book or courseware mode to explain the theory and the practice of high-voltage electrician, so that the training teacher can not visually explain the dynamic process of the whole operation, the training teacher can not perform detailed physical operation training, the teaching can only stay on the theory, the students can not master the whole operation process easily, the training difficulty is increased, and in view of the problems, the comprehensive experiment table for high-voltage electrician practice examination is specially provided.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the comprehensive test bed for the high-voltage electrician practice examinations, which has the advantages of high safety, test process closer to the real scene and convenient modification process, and solves the problem of high teaching difficulty of the existing training equipment for the high-voltage electrician practice examinations.

In order to achieve the purpose, the invention provides the following technical scheme: a comprehensive experiment table for high-voltage electrician practice examinations comprises an experiment table component, wherein the experiment table component comprises an isolation switch, a plurality of telegraph poles, an equipment cabinet, a user switch box and a transformer, the isolating switch is electrically connected with the power connection end of the equipment cabinet rightwards, the output end of the equipment cabinet is provided with a drop-out switch, the bottom end wire of the drop switch is connected to the primary side of the transformer, the secondary side wire of the transformer is connected to the input end of the internal switch of the user switch box, a plurality of high-low voltage leads are connected among the isolating switch, a plurality of telegraph poles, the equipment cabinet, the user switch box, the drop-out switch and the transformer, the equipment cabinet, the user switch box, the drop-out switch and the transformer are internally provided with an electric signal simulator, the electric signal simulator is powered by a DC24V power supply, and the electric signal simulator is electrically connected to an external controller.

Preferably, the bottom end side surface of the utility pole is provided with a wire grip, and the terminals of the high-low voltage wires are provided with high-voltage porcelain bottles.

Preferably, the equipment cabinet comprises a PT cabinet, an incoming line cabinet and an outgoing line cabinet.

Compared with the prior art, the invention provides a comprehensive experiment table for high-voltage electrician practice examinations, which has the following beneficial effects:

1. according to the comprehensive experiment table for the high-voltage electrician practical exercise examination, the whole simulation system is totally direct-current 24V safe voltage, low voltage (24V) simulates high voltage (10KV), low current (mA) simulates high current (kA), the examination teaching process is safe and reliable, and the risk is low;

2. according to the comprehensive experiment table for the high-voltage electrician practice examinations, the buttons and the indicator lamps are real electrical elements; and other equipment is modified by adopting real equipment, the process flow is made, the image is vivid, the operation is closer to the actual operation, the examination or teaching process is more standard, the simulation effect is closer to the real scene, the learning and mastering effect is good, and the training difficulty is low.

Drawings

FIG. 1 is a schematic composition of the present invention;

FIG. 2 is a functional block diagram of each part of the present invention;

FIG. 3 is a diagram of a power control circuit according to the present invention;

FIG. 4 is a circuit diagram of the present invention;

fig. 5 is a block diagram of the process of the present invention.

In the figure: 1. the device comprises a laboratory bench component, 11, an isolating switch, 12, high-low voltage leads, 13, a high-voltage porcelain insulator, 14, an equipment cabinet, 15, a drop-out switch, 16, a telegraph pole, 17, a transformer, 18, a user switch box, 19, a wire grip, 110 and a wall body.

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, 2 and 3, a comprehensive experiment table for high-voltage electrician practice examinations comprises an experiment table assembly 1, wherein the experiment table assembly 1 comprises an isolating switch 11, a plurality of electric poles 16, an equipment cabinet 14, a user switch box 18 and a transformer 17, the isolating switch 11 is electrically connected to the right electric connection end of the equipment cabinet 14, the output end of the equipment cabinet 14 is provided with a drop-out switch 15, the bottom electric wire of the drop-out switch 15 is connected to the primary side of the transformer 17, the secondary electric wire of the transformer 17 is connected to the internal switch input end of the user switch box 18, the isolating switch 11, the plurality of electric poles 16, the equipment cabinet 14, the user switch box 18, the drop-out switch 15 and the transformer 17 are connected with a plurality of high-low voltage leads 12, the equipment cabinet 14, the user switch box 18, the drop-out switch 15 and the transformer 17 are internally provided with an electric signal simulator, the electric signal simulator adopts a power, and the electric signal simulator is electrically connected to an external controller;

the switch part of the disconnector 11 is equipped with a switch sensor and a switch operation status indicator lamp for indicating to the operator the safety voltage DC 24V.

The outside end of the turnbuckle 19 is equipped with a switch sensor and a switch operating status indicator light for indicating to the operator the safe voltage DC 24V.

The inside of the PT cabinet in the equipment cabinet 14 is installed with a knife switch, a closing and switching indicator lamp for indicating the working state of the knife switch, and a closing and switching sensor as an input control signal of the controller.

An opening indicator lamp of a circuit breaker and a closing indicator lamp of the circuit breaker are mounted inside an inlet wire cabinet in the equipment cabinet 14 and used for indicating the working state of the circuit breaker, meanwhile, a voltage transfer switch, a remote/local transfer switch, a manual closing button switch, a manual switching button switch, an energy storage button, a protection tripping pressure handle switch, a circuit breaker experiment and work selection switch, a circuit breaker experiment position indicator lamp, a circuit breaker working position indicator lamp, a simulation voltmeter (DC24V simulates 10KV), a simulation ammeter (mA small current simulates kA large current), and a current flow direction flowing lamp is mounted.

An opening indicating lamp of a circuit breaker and a closing indicating lamp of the circuit breaker are arranged inside an outgoing line cabinet in the equipment cabinet 14 and used for indicating the working state of the circuit breaker, meanwhile, a voltage change-over switch, a remote/local change-over switch, a manual closing and manual switching-off button switch, an energy storage button, a circuit breaker experiment and working button switch, a circuit breaker experiment position indicating lamp, a circuit breaker working position indicating lamp, a simulation voltmeter (DC24V simulates 10KV), a simulation ammeter (mA small current simulates kA large current) and a current flow direction flowing lamp are arranged on the outgoing line cabinet.

The outer end of the drop-out switch 15 is provided with a switch sensor and a switch working state indicator lamp for prompting an operator to obtain a safe voltage DC 24V.

The transformer 17, the transformer is the simulation transformer, uses the actual transformer repacking, and installation work pilot lamp reminds the operator to notice.

The user's block terminal 18, the switch is installed to the incasement, installs the pilot lamp on the panel for show operating condition, also represent the work load indication simultaneously, installs voltmeter and ampere meter (also simulation display).

And the power supply part is used for converting the commercial power into DC24V safe voltage and supplying power to each load and the controller.

And the controller is used for controlling and displaying various functions of all control equipment of the equipment, reading input signals and controlling output signals, and serves as a control core of the whole system. .

Referring to fig. 1 and 3, the lower end side surface of the utility pole 16 is provided with a wire grip 19, and the terminals of the high and low voltage wires 12 are provided with high voltage porcelain bottles 13.

Referring to fig. 1 and 3, the equipment cabinet 14 includes a PT cabinet, an incoming cabinet and an outgoing cabinet, the whole simulation system of the present invention is entirely dc24V safe voltage, low voltage (24V) simulates high voltage (10KV), low current (mA) simulates large current (kA), and buttons and indicator lights on the control panel are real electrical components; other equipment is modified by adopting real equipment, the process flow is manufactured, and the image is vivid; the system has operability, equipment close to the site, button operation examination steps, a computer controller controls to complete functions and display effects, a running water LED lamp is arranged on a control panel to display input and output in a running water mode, and different LED colors are used for representing different gases.

The working principle is as follows: when an operator takes an examination or actually operates in teaching, the operation is carried out according to the operation flow, and the simulated equipment and current can warn and score after being identified by the controller when the operation is wrong, so that the operation process is recorded, the analysis and the correction in the later period are facilitated, and the teaching efficiency is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a laboratory bench is synthesized in examination of high-voltage electrician's practise exercises, includes laboratory bench subassembly (1), its characterized in that: the experiment table component (1) comprises an isolating switch (11), a plurality of telegraph poles (16), an equipment cabinet (14), a user switch box (18) and a transformer (17), wherein the isolating switch (11) is electrically connected to the right electric connection end of the equipment cabinet (14), the output end of the equipment cabinet (14) is provided with a drop-out switch (15), the bottom end of the drop-out switch (15) is electrically connected to the top end of the transformer (17), the right end of the transformer (17) is electrically connected to the top end of the user switch box (18), a plurality of high-low voltage wires (12) are connected among the isolating switch (11), the plurality of telegraph poles (16), the equipment cabinet (14), the user switch box (18), the drop-out switch (15) and the transformer (17), and an electric signal simulator is arranged inside the equipment cabinet (14), the user switch box (18), the drop-out switch (15) and the transformer (17), the electric signal simulator is powered by the power supply of the DC24V, and is electrically connected to an external controller.

2. The integrated laboratory bench for high voltage electrician practice examinations according to claim 1, wherein: the bottom end side surface of the utility pole (16) is provided with a wire grip (19), and the terminals of the high-low voltage wires (12) are provided with high-voltage porcelain bottles (13).

3. The integrated laboratory bench for high voltage electrician practice examinations according to claim 2, wherein: the equipment cabinet (14) comprises a PT cabinet, an incoming line cabinet and an outgoing line cabinet.