CN114664141A

CN114664141A - Maintenance electrician skill training examination device

Info

Publication number: CN114664141A
Application number: CN202210306076.1A
Authority: CN
Inventors: 陈现章; 孔德兵
Original assignee: Beijing Zhiyang Northern International Education Technology Co Ltd
Current assignee: Beijing Zhiyang Northern International Education Technology Co Ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-06-24

Abstract

The application discloses maintenance electrician skill training examination device includes: the bottom box body is internally provided with a collecting assembly for collecting waste materials; the control panel is arranged at the top of the bottom box body, and the front side of the control panel is sequentially provided with a protection module, an installation module, an expansion module and a display module from left to right according to the horizontal direction; the support plate is arranged on one side of the bottom box body; the technical key points are that each functional area on the operation panel is modularized, the size of the modularization can be adjusted, and the subsequent function upgrading is facilitated; each functional area is modularized, an expandable device is arranged at the edge of the corresponding functional area, and a certain space is reserved, so that the expanded use is facilitated; the extensible devices designed at the edges of part of the modules are made of foldable materials, and the hinges corresponding to the foldable materials have certain friction force, so that the weight of each device can be supported, and the devices cannot deform.

Description

Maintenance electrician skill training examination device

Technical Field

The invention belongs to the field of training equipment, and particularly relates to a maintenance electrician skill training and checking device.

Background

At present, people know that common education can only provide some basic professional knowledge and skills with low level; and when the system faces the large-scale enterprise development, the staff can gradually meet the continuous development requirements of the enterprise only by carrying out multiple skill training. Therefore, in order to improve the labor productivity and the occupation satisfaction degree of individuals, the organization directly and effectively produces and operates services for the organization, various methods are continuously adopted, and education training investment activities are carried out on various personnel of the organization, wherein the training refers to a mode of enabling trainees to master certain skills through culture and training; the training is mainly based on skill transmission, the time is more important before the post, the expected level is improved through a certain educational training technical means, and the fighting capacity, the personal capacity and the working capacity are improved.

In the prior art, electrician training refers to that a learner can master professional electrician theoretical knowledge through system teaching to enable the learners to become electrician technical talents with certain practical operation capacity, and a training center issues a training conclusion certificate for students after the training is qualified; electricians share five levels; the skills were identified as: the certificate of job attendance of the electrician IC card is sent by the safety supervision bureau and belongs to the fields of primary, primary (fifth qualification), intermediate (fourth qualification), advanced (third qualification), technician (second qualification) and advanced technician (first qualification) sent by the human resource bureau. Professional qualifications belong to technical grades and do not belong to titles, but the state admits that the two are the same in treatment, salaries, houses, family mouths and the like, tertiary qualifications are equal to assistant engineers, and secondary qualifications correspond to engineers. Assistant engineers (primary job title), engineers (secondary job title), senior engineers (secondary job title), professor engineers, researcher engineers (same as professor engineers in primary job title); aiming at the requirements of informatization and intelligent application of the manufacturing industry, the method cultivates the employees of the application enterprises of the mechatronic equipment manufacturing and automatic production line through the strengthening training. The manufacturing, installation, debugging and technical support work of the electromechanical integrated equipment can be engaged in; the operation, maintenance and repair work of the automatic production line can be engaged; the frequency converter and the PLC can be installed and maintained; after the operation is finished, the labor requirements of electrical engineering, maintenance and installation of large and medium-sized enterprises can be met;

the traditional electrician training equipment can be used for carrying out actual operation on an electric control circuit and a practical electronic circuit, the practical technology and the operation skill of a course can be rapidly mastered, and the practical training device has pertinence, practicability, scientificity and advancement, can be used for students to learn and exercise, and is ideal electrician practical training teaching equipment for primary, medium and advanced maintenance electrician skill examination of a labor appraisal department, a college and universities, a working school and a technical school.

However, in the process of implementing the technical solution in the embodiment of the present application, the inventors of the present application find that the above-mentioned technology has at least the following technical problems:

1. the traditional skill training and examination platform has the advantages that the sizes of all modules are fixed, the sizes of the modules cannot be changed when the subsequent functions are upgraded, and the functions of partial modules needing to be changed in size cannot be realized;

2. all the modules adopt screws fixed on a support arranged behind, so that the modules are inconvenient to disassemble and assemble, a panel support is required, and the cost is high.

Disclosure of Invention

Solves the technical problem

Aiming at the defects of the prior art, the invention provides a maintenance electrician skill training and examination device, which solves the problems in the prior art.

Technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

a maintenance electrician skill training assessment device comprising:

the bottom box body is internally provided with a collecting assembly for collecting waste materials;

the front side of the control panel is sequentially provided with a protection module, an installation module, an expansion module and a display module from left to right according to the horizontal direction, and a hook component is arranged on the side of the control panel;

the support plate is arranged on one side of the bottom box body;

the collecting assembly comprises a collecting box and a vacuum generator arranged at the bottom of the collecting box, and the collecting box is communicated with two side areas of a table board on the bottom box body; the support plate is provided with a host and a display which are used for controlling the whole examination device; each functional area on the operation panel is modularized, the size of the modularization is adjustable, subsequent function upgrading is facilitated, and the situation that the original space is insufficient or wasted if the original size is continued to be used by a subsequently added new functional structure is avoided.

Preferably, the front side of the bottom box body is provided with at least two groups of drawers in a drawing mode, the drawers are connected with the bottom box body through sliding rails, the front side of the bottom box body is provided with a box door in an opening-closing mode, handles are arranged on the box door and the front sides of the drawers, a worker can put redundant structural members into the drawers, and the specific number of the drawers is two according to the figure 1.

Preferably, the holding tank has all been seted up to the mesa both sides of end box to front side edge department at the mesa sets up the blend stop, the cross-section of this holding tank is triangle-shaped, and the bottom of holding tank is seted up the cross-section and is the silo mouth of bar, be connected through setting up the siphunculus between this silo mouth and the collecting box, the waste material is on the mesa, the user can be manual with the waste material push into in the holding tank, then the waste material can enter into the silo mouth under the dual function of dead weight and negative pressure, and finally assemble in the collecting box through the siphunculus.

Preferably, the front side of the protection module is respectively provided with a voltage type leakage protector and a current type leakage protector, and the voltage type leakage protector and the current type leakage protector are both connected with a power line of the examination device; the voltage type leakage protector and the current type leakage protector are arranged, so that the safety of an operator is ensured; each power output has the functions of monitoring, short-circuit protection and the like, and each measuring instrument has the reliable protection function, so that the use is safe and reliable; the control screen is also provided with a timer and an alarm recorder (a service manager), and a unified standard is provided for the examination of the experimental skills of the students.

Preferably, the installation module comprises at least two groups of panels, the panels are embedded into embedding grooves preset on the surface of the control panel and are connected with the control panel through a connecting assembly, and an electric assembly is detachably arranged on the front side of the panels and comprises an electric control circuit and an electronic circuit experiment component.

Preferably, coupling assembling contains the receipts spool, winds the rolling cloth of rolling in the spool and with rolling cloth one end fixed connection's bumping post, be provided with the spool in the receipts spool, the both ends of this spool are all connected with the spool through setting up torsion spring, the receipts roll up in the spool surface to run through the predetermined opening of spool surface, the thickness of receipts roll up is identical with the width of opening.

Preferably, the equal cartridge in both sides of panel has the picture peg, and establishes to the notch between picture peg and the panel inner wall, the one end of rolling up the cloth runs through the notch, the length of bumping post is 1-2cm more than notch length, and specific length can be decided according to the length of notch, only need ensure that the bumping post can't pass through the notch can.

Preferably, extend the folded sheet that the module contains fixed frame, movable frame and is used for connecting fixed frame and movable frame, the fixed frame outside is connected with controlling the panel through setting up a plurality of buckles, the folded sheet comprises a plurality of metal slats, and is adjacent two sets of through setting up hinge connection between the metal slat, refer to fig. 1 and 3 and can see out that the part has the structure of new function and can place on the folded sheet.

Preferably, the regulating part that is used for the location is worn to be equipped with in the middle part of movable frame, and this regulating part contains connecting rod and fixed cover of mutual spiral connection, the connecting rod runs through the movable frame to be connected through setting up the bearing between with the movable frame, fixed cover and control panel surface weld, when carrying out specific regulation, user's accessible rotating connection pole, the length that changes whole regulating part can.

Preferably, the couple subassembly contains fixed connection in the curb plate of controlling the panel avris and sets up in a plurality of couple bags on curb plate surface, the couple bag contains the flexible bag of double-deck formula, and expands after the couple bag is "C" shape, each the couple bag all is connected with vacuum generator through the hose to install the three-way valve on vacuum generator's extraction opening.

In summary, the invention includes at least one of the following beneficial technical effects:

1. each functional area on the operation panel is modularized, the size of the modularization is adjustable, subsequent function upgrading is facilitated, and the situation that the original space is insufficient or wasted if the original size is continued to be used by a subsequently added new functional structure is avoided.

2. Each functional area is the modularization, sets up the extensible device in the functional area edge that corresponds to reserve certain space, conveniently expand the use.

3. The expandable devices designed at the edges of part of the modules are made of foldable materials, and the hinges corresponding to the foldable materials have certain friction force, so that the weight of each device can be supported, and the devices cannot deform;

4. connecting components are designed between the corresponding installation modules and the control panel, and each panel can be fixed on the surface of the control panel by utilizing the elasticity of a torsion spring in the connecting components, and meanwhile, the installation modules are conveniently subjected to detachable treatment;

5. the expansion module can be conveniently disassembled and assembled by utilizing a plurality of snap-in buckle structures;

6. the electric control circuit or electronic circuit experiment components can be assembled in an installation module manufacturer, the whole operation is convenient, the replacement is convenient, the function can be expanded or a new experiment can be developed, and the selection of the operation content has typicality and practicability;

7. the whole examination device can be put into use only by a three-phase four-wire alternating-current power supply, the occupied area is small, the house is saved, and the capital investment is reduced;

8. the control circuit and the matched small motor for skill training are specially designed, so that the electric traction system of various motors in a factory can be simulated, and the skill training requirements of installation, debugging, fault analysis, fault removal and the like of a maintenance electrician can be met;

9. the voltage type leakage protector and the current type leakage protector are arranged, so that the safety of an operator is ensured; each power output has the functions of monitoring, short-circuit protection and the like, and each measuring instrument has the reliable protection function, so that the use is safe and reliable; the control screen is also provided with a timer and an alarm recorder (a service manager), and a unified standard is provided for the examination of the experimental skills of the students.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view showing the internal structure of the bottom case of the present invention;

FIG. 3 is a schematic structural diagram of an expansion module of the present invention;

FIG. 4 is a schematic view of the adjustment member of the present invention in assembly;

fig. 5 is a schematic view of the connection assembly of the present invention.

Reference numerals: 1. a bottom box body; 2. a control panel; 3. a support plate; 4. a drawer; 5. a table top; 6. a protection module; 7. installing a module; 71. a panel; 8. an expansion module; 9. a display module; 10. a voltage-type leakage protector; 11. a current type leakage protector; 12. a side plate; 13. a hook bag; 14. accommodating grooves; 15. blocking strips; 16. pipe passing; 17. a collection box; 18. a vacuum generator; 19. a movable frame; 20. a fixing frame; 21. folding the board; 22. buckling; 23. a connecting rod; 24. fixing a sleeve; 25. inserting plates; 26. a notch; 27. winding the roll; 28. a bumping post; 29. and (6) rolling the cloth.

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 obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention. In addition, for the convenience of description, the following references to "upper", "lower", "left" and "right" are to be construed as referring to the upper, lower, left, right, etc. direction of the attached drawings, and the following references to "first", "second", etc. are to be distinguished for descriptive purposes and not for other specific meanings.

Example 1:

the embodiment shows a specific structure of the whole device, as shown in fig. 1-5, a maintenance electrician skill training and examining device comprises: three major parts of the bottom box body 1, the control panel 2 and the support plate 3,

a collecting component for collecting waste materials is arranged in the bottom box body 1; the control panel 2 is arranged at the top of the bottom box body 1, the front side of the control panel is sequentially provided with a protection module 6, an installation module 7, an expansion module 8 and a display module 9 from left to right according to the horizontal direction, wherein the specific position of the display module 9 is positioned below the installation module 7 and the expansion module 8, each functional area is modularized, the control panel is specifically embodied on each module, an expandable device, specifically the expansion module 8, is arranged at the edge of the corresponding functional area, a certain space is reserved for convenient expansion and use, and a hook component is arranged at the side of the control panel 2; the support plate 3 is arranged on one side of the bottom box body 1; wherein, the collecting component comprises a collecting box 17 and a vacuum generator 18 arranged at the bottom of the collecting box 17, and the collecting box 17 is communicated with the two side areas of the table-board 5 on the bottom box body 1; the support plate 3 is provided with a host and a display for controlling the whole examination device.

In some examples, the front side of the bottom case 1 is equipped with at least two sets of drawers 4 in a drawing manner, the drawers 4 are connected with the bottom case 1 through a slide rail, the front side of the bottom case 1 is provided with a case door in an opening and closing manner, and the case door and the front side of the drawers 4 are equipped with handles.

By adopting the technical scheme: each functional area on the operation panel 2 is modularized, the size of the modularization can be adjusted, the subsequent function upgrading is facilitated, and the situation that the original space is insufficient or wasted if the original size is continued in a new function structure added subsequently is avoided; the control circuit and the matched small motor for skill training are specially designed, so that the electric traction system of various motors in a factory can be simulated, and the skill training requirements of installation, debugging, fault analysis, fault removal and the like of a maintenance electrician can be met.

Specifically, the expansion module 8 which can be stretched back and forth is provided, and the thickness of the expansion module 8 is changed, so that the folding plates 21 of the expansion module 8 can be assembled with new functional structures to be installed.

Example 2:

based on embodiment 1, the embodiment provides a specific structure of a collecting assembly, wherein the bottom box body 1 is internally provided with the collecting assembly for collecting waste materials; the control panel 2 is arranged at the top of the bottom box body 1, the front side of the control panel is sequentially provided with a protection module 6, an installation module 7, an expansion module 8 and a display module 9 from left to right according to the horizontal direction, and a hook component is arranged on the side of the control panel 2; the support plate 3 is arranged on one side of the bottom box body 1; wherein, the collecting component comprises a collecting box 17 and a vacuum generator 18 arranged at the bottom of the collecting box 17, and the collecting box 17 is communicated with the two side areas of the table-board 5 on the bottom box body 1; the support plate 3 is provided with a host and a display for controlling the whole examination device.

In some examples, the front side of the bottom case 1 is equipped with at least two sets of drawers 4 in a drawing manner, the drawers 4 are connected with the bottom case 1 through a slide rail, the front side of the bottom case 1 is provided with a case door in an opening-closing manner, and the case door and the front side of the drawers 4 are equipped with handles; holding tank 14 has all been seted up to 5 both sides of mesa of end box 1 to set up blend stop 15 in the front side edge department of mesa 5, this holding tank 14's cross-section is triangle-shaped, and holding tank 14's bottom is seted up the cross-section and is the silo mouth of bar, is connected through setting up siphunculus 16 between this silo mouth and the collecting box 17.

By adopting the technical scheme: after practical training, part of redundant waste materials can be pushed into the accommodating groove 14 and then pass through the through pipe 16, (even if part of waste materials are blocked in the through pipe 16, the vacuum generator 18 is started, negative pressure generated by the vacuum generator is utilized, the part of waste materials can enter the collecting box 17), and finally the waste materials are collected in the collecting box 17, so that the waste materials can be managed in a unified mode, and secondary cleaning is avoided.

Example 3:

based on embodiment 1, the present embodiment provides a specific structure of a protection module, and a collection assembly for collecting waste materials is installed inside a bottom case 1; the control panel 2 is arranged at the top of the bottom box body 1, the front side of the control panel is sequentially provided with a protection module 6, an installation module 7, an expansion module 8 and a display module 9 from left to right according to the horizontal direction, and a hook component is arranged on the side of the control panel 2; the support plate 3 is arranged on one side of the bottom box body 1; wherein, the collecting component comprises a collecting box 17 and a vacuum generator 18 arranged at the bottom of the collecting box 17, and the collecting box 17 is communicated with the two side areas of the table-board 5 on the bottom box body 1; the support plate 3 is provided with a host and a display for controlling the whole examination device.

In some examples, a voltage-type leakage protector 10 and a current-type leakage protector 11 are respectively installed on the front side of the protection module 6, and the voltage-type leakage protector 10 and the current-type leakage protector 11 are both connected to the power line of the examination device.

By adopting the technical scheme: the voltage type leakage protector 10 and the current type leakage protector 11 are arranged, so that the safety of an operator is ensured; each power output has the functions of monitoring, short-circuit protection and the like, and each measuring instrument has the reliable protection function, so that the use is safe and reliable; the control screen (particularly arranged on the display module 9) is also provided with a timer and an alarm recorder (service manager), so that a uniform standard is provided for the examination of the experimental skills of students.

Example 4:

based on embodiment 1, the embodiment provides a specific structure of an installation module, and a collection assembly for collecting waste materials is installed in a bottom box body 1; the control panel 2 is arranged at the top of the bottom box body 1, the front side of the control panel is sequentially provided with a protection module 6, an installation module 7, an expansion module 8 and a display module 9 from left to right according to the horizontal direction, and a hook component is arranged on the side of the control panel 2; the support plate 3 is arranged on one side of the bottom box body 1; wherein, the collecting component comprises a collecting box 17 and a vacuum generator 18 arranged at the bottom of the collecting box 17, and the collecting box 17 is communicated with the two side areas of the table-board 5 on the bottom box body 1; the support plate 3 is provided with a host and a display for controlling the whole examination device.

In some examples, the installation module 7 includes at least two sets of panels 71, the panels 71 are embedded in a groove preset on the surface of the control panel 2 and are connected with the control panel by providing a connection assembly, and an electrical assembly including an electrical control circuit and an electronic circuit experimental component is detachably provided on the front side of the panels 71.

The connecting assembly comprises a winding drum 27, a winding cloth 29 wound in the winding drum 27 and a blocking column 28 fixedly connected with one end of the winding cloth 29, a winding shaft is arranged in the winding drum 27, two ends of the winding shaft are connected with the winding drum 27 through torsion springs, the winding cloth 29 is wound on the outer surface of the winding shaft and penetrates through a through hole preset in the surface of the winding drum 27, and the thickness of the winding cloth 29 is matched with the width of the through hole; wherein, the both sides of panel 71 are inserted the picture peg 25, and establish notch 26 between picture peg 25 and the panel 71 inner wall, and the one end of rolling up cloth 29 runs through notch 26, and the length of bumping post 28 is 2cm more than notch 26 length.

In use, the retaining post 28 is pulled so that the retaining post 28 passes through the openings on both sides of the panel 71, the rear insert plate 25 is inserted into the opening of the panel 71, the fabric 29 is inserted through the corresponding notch 26, the whole retaining post 28 is stopped by the notch 26, and finally the panel 71 is inserted into the surface of the control panel 2, the fabric 29 is wound on the outer surface of the reel under the elastic restoring force of the torsion spring, and the whole panel 71 is pulled to be stable.

By adopting the technical scheme: a connecting component is designed between the corresponding installation module 7 and the control panel 2, each panel 71 can be fixed on the surface of the control panel 2 by utilizing the elasticity of a torsion spring in the connecting component, and meanwhile, the installation module 7 is conveniently subjected to detachable treatment; the expansion module 8 can be conveniently disassembled and assembled by utilizing a plurality of snap fasteners 22.

Example 5:

based on embodiment 1, the embodiment provides a specific structure of an expansion module, and a collection assembly for collecting waste materials is installed in a bottom box body 1; the control panel 2 is arranged at the top of the bottom box body 1, the front side of the control panel is sequentially provided with a protection module 6, an installation module 7, an expansion module 8 and a display module 9 from left to right according to the horizontal direction, and a hook component is arranged on the side of the control panel 2; the support plate 3 is arranged on one side of the bottom box body 1; wherein, the collecting component comprises a collecting box 17 and a vacuum generator 18 arranged at the bottom of the collecting box 17, and the collecting box 17 is communicated with the two side areas of the table-board 5 on the bottom box body 1; the support plate 3 is provided with a host and a display for controlling the whole examination device.

In some examples, the expansion module 8 comprises a fixed frame 20, a movable frame 19 and a folding plate 21 for connecting the fixed frame 20 and the movable frame 19, the outer side of the fixed frame 20 is connected with the control panel 2 by arranging a plurality of buckles 22, the folding plate 21 is composed of a plurality of metal laths, and two adjacent groups of metal laths are connected by arranging hinges;

wherein, the regulating part that is used for the location is worn to be equipped with in the middle part of activity frame 19, and this regulating part contains connecting rod 23 and the fixed cover 24 of mutual spiral connection, and connecting rod 23 runs through activity frame 19 to be connected through setting up the bearing between with activity frame 19, fixed cover 24 with control panel 2 surface weld.

By adopting the technical scheme: each functional area is modularized, an expandable device is arranged at the edge of the corresponding functional area, and a certain space is reserved, so that the expanded use is facilitated; the expandable device (specifically, the expandable module 8) designed at the edge of part of the module is made of foldable material, and the hinge part corresponding to the foldable material has certain friction force, so that the weight of each device can be supported, and the device cannot deform.

Example 6:

based on embodiment 4, the embodiment provides a specific structure of the hook assembly, and a collection assembly for collecting waste materials is arranged in the bottom box body 1; the control panel 2 is arranged at the top of the bottom box body 1, the front side of the control panel is sequentially provided with a protection module 6, an installation module 7, an expansion module 8 and a display module 9 from left to right according to the horizontal direction, and a hook component is arranged on the side of the control panel 2; the support plate 3 is arranged on one side of the bottom box body 1; wherein, the collecting component comprises a collecting box 17 and a vacuum generator 18 arranged at the bottom of the collecting box 17, and the collecting box 17 is communicated with the two side areas of the table-board 5 on the bottom box body 1; the support plate 3 is provided with a host and a display for controlling the whole examination device.

In some examples, the hooking assembly comprises a side plate 12 fixedly connected to the side of the manipulation panel 2 and a plurality of hooking capsules 13 provided on the surface of the side plate 12, the hooking capsules 13 comprise double-layered type telescopic capsules, the inner wall of the inner telescopic capsule is provided with an arc-shaped spring, in the use state, the whole hooking bag 13 is completely unfolded under the elastic restoring force of the spring, and is in the state shown in fig. 1, after the three-way valve for communicating the hooking bag 13 and the vacuum generator 18 is opened, the air exhaust treatment of the hook bag 13 is realized, and the hook bag 13 is in a completely folded state at the moment, thereby avoiding occupying larger space, meanwhile, the condition that the hook bag is damaged due to collision when not in use is avoided, the unfolded hook bags 13 are C-shaped, each hook bag 13 is connected with the vacuum generator 18 through a hose, and a three-way valve is arranged on an air suction port of the vacuum generator 18.

By adopting the technical scheme: can carry out the suspension type through the design couple subassembly to partial electrical part that need hang the dress and place to the space of placing of this examination device of expansion can be with the help of vacuum generator with each couple bag processing of bleeding when need not using, makes each couple bag can receive and fold, avoids occupying great space, avoids its condition of colliding the damage under the unused state to take place simultaneously.

The whole examination device has the following configuration structure:

DW01 power supply and instrument control panel

The control screen is an iron double-layer matte dense grain plastic spraying structure and an aluminum panel; the device provides an alternating current power supply, a high-voltage direct current power supply, a low-voltage direct current power supply, various testing instruments and the like for experiments.

The specific functions are as follows: 1. a main control function board; (1) the three-phase four-wire power supply is input, passes through the leakage protector, passes through the main switch, and is operated by the contactor through the start button and the stop button; (2) three 450V pointer type alternating-current voltage meters are arranged to indicate three-phase voltage input by a power supply; (3) the timer and alarm recorder (service manager) is used as a clock at ordinary times, and has the functions of setting experimental time, giving an alarm at fixed time, cutting off a power supply and the like; the system can also automatically record the total times of electric leakage alarm and instrument over-range alarm caused by wiring or operation errors, and provides a uniform standard for the examination of the practical training skills of students. 2. An AC power supply and a DC power supply; (1) an excitation power supply: direct current 220V/0.5A with short circuit protection; (2) armature power supply: one path of the direct current 0-220V/2A continuously adjustable power supply has short-circuit protection; (3) d, direct current stabilized power supply: two paths of +/-12V/0.5A and one path of +5V/0.5A have the function of short-circuit soft cut-off automatic recovery protection; (4) an alternating current power supply: firstly, a set of transformers is arranged, 220V or 380V alternating current power supplies can be added to the primary side of each transformer according to different connection wires, and after a switch is closed, the secondary side of each transformer can output 36V, 110V, 20V, 12V and 6.3V alternating current voltages; secondly, a group of single-phase voltage regulators is arranged, and an Alternating Current (AC) 0-250V adjustable voltage can be obtained; thirdly, the control screen is provided with a single-phase three-pole 220V power socket and a three-phase four-pole 380V power socket. 3. An AC and DC instrument; (1) an alternating voltage meter: one 0-500V alternating current voltmeter with a mirror surface has the precision of 1.0 level; (2) an alternating-current voltmeter: the system is provided with a 0-5A alternating current ammeter with a mirror surface, has the precision of 1.0 level, and has the functions of over-range alarming, indicating, main power supply cutting and the like; (3) power, power factor table: the device consists of a microcomputer, a high-precision A/D conversion chip and a full digital display circuit; and a man-machine conversation function control mode is realized through a key control window and a digital display window. In order to improve the measuring range and the measuring precision, eight-gear areas are divided on hardware and software, and automatic judgment and automatic gear shifting are carried out. The power measurement precision is 1.0 level, the voltage and current ranges are respectively 450V and 5A, the load property (inductive display L, capacitive display C and pure resistance is not displayed) can be automatically judged when the power factor is measured, and 15 groups of data can be stored for being consulted at any time; (4) d, direct-current voltmeter: the direct current digital voltmeter is 1, the measuring range is 0-300V, three and half digits are displayed, the input impedance is 10M omega, and the precision is 0.5 level; (5) a DC ammeter: the direct current digital ammeter is 1, the measuring range is 0-5A, the three-position and half-digital display is realized, the precision is 0.5 level, and the direct current digital ammeter has the functions of over-range alarming, indicating, main power supply cutting and the like. 4. A rectifier diode: IN5408 is four.

(II) laboratory table

The experiment table (namely the table top 5) is of an iron double-layer matt dense grain plastic spraying structure, and the table top 5 is of a fireproof, waterproof and high-density board, is firm in structure and attractive and elegant in appearance; the experiment table is arranged on the bottom box body 1, and two drawers 4 with locks are respectively arranged on the left and the right of the experiment table.

(III) Experimental group

The DW-01 maintenance electrician practical training assembly (I) is characterized in that a thermal relay, an alternating current contactor 380V, a button indicator lamp (6.3V), a wiring terminal and the like are arranged on an operation panel 2; 2, DW-02 maintenance electrician training assembly (II), wherein a spiral fuse, a direct plug-in fuse, a low-voltage circuit breaker, a time relay, an alternating current contactor, a wiring terminal and the like are arranged on the control panel 2; 3, DW-03 maintenance electrician training assembly (III), wherein a spiral fuse, a change-over switch, an electromagnetic valve, a cross switch, a travel switch and the like are arranged on the control panel 2; 4, DW-04 maintenance electrician training component (V), wherein an alternating current overcurrent relay, a direct current overcurrent relay, a rectifier, a fluorescent tube, a wiring terminal row and the like are arranged on the control panel 2; DW-05 electrical skill training component (IV), providing two groups of 90 omega multiplied by 2/1.3A disk resistances; a set of 900 Ω × 2/0.41A disk resistances; 6, a PLC host hanging box is matched with a Mitsubishi FX1N-40mR host, and integrated digital quantity I/O (24-path digital quantity input and 16-path digital quantity output), an RS-422 communication port, an SC-09 communication programming cable, a switching input/output port, a switch and the like are arranged; and randomly configuring simulation teaching software and industrial control configuration software.

In addition, the whole examination device can be provided with

1. The real case of hanging of demonstrating of PLC specifically is:

2. the frequency converter training hanging box is provided with a Mitsubishi FR-S520 frequency converter and is provided with an RS485 communication interface and a BOP operating panel; 3. the motor guide rail and optical code disc speed measuring system comprises one set of optical code disc speed measuring system (provided with an inlet photoelectric encoder), one stainless steel guide rail is provided, the flatness of the rail is good, no stress deformation exists, and the concentricity is good; 4. one set of industrial control configuration software: opening a software programming environment, editing a configuration bar graph with a visual and dynamic image and a good digital effect in any practical training, and performing practical training dynamic tracking teaching; 5. one set of PLC simulation training software: (1) displaying the running state of the PLC in real time through a PLASH virtual environment; (2) the PLC virtual wiring can be realized, and the wiring is subjected to error check; (3) PLC programming training, PLC program compiling test and other functions; (4) the PLC operation simulation is realized, and the error program is checked; 6. a winding type asynchronous motor rotor resistance box; 7. the electronic circuit board mounting device is used for fixing the circuit board during debugging of the electronic circuit board; 8. DC shunt motor DC 220V; 9. three-phase squirrel cage motor AC220V (Y); 10. three-phase squirrel-cage motor AC380V (Y/° a); 11. two-speed asynchronous motor AC380V (Δ/YY); 12. three-phase wound asynchronous motor AC380V (Y); 13. three-phase synchronous motor ac380v (y).

Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.

Claims

1. A maintenance electrician skill training and examination device is characterized by comprising:

the bottom box body (1) is internally provided with a collecting component for collecting waste materials;

the control panel (2) is arranged at the top of the bottom box body (1), the front side of the control panel is sequentially provided with a protection module (6), an installation module (7), an expansion module (8) and a display module (9) from left to right according to the horizontal direction, and a hook component is arranged on the lateral side of the control panel (2);

the support plate (3) is arranged on the side of the bottom box body (1);

the collecting assembly comprises a collecting box (17) and a vacuum generator (18) arranged at the bottom of the collecting box (17), and the collecting box (17) is communicated with the areas on two sides of the table board (5) on the bottom box body (1); the support plate (3) is provided with a host and a display which are used for controlling the whole examination device.

2. The maintenance electrician skill training assessment device of claim 1, wherein: the front side pull formula of end box (1) is equipped with at least two sets of drawer (4), and through setting up sliding rail connection between drawer (4) and end box (1), the open-close type chamber door that is provided with is opened and shut in the front side of end box (1), and the front side of chamber door and drawer (4) all is equipped with the handle.

3. The maintenance electrician skill training assessment device of claim 1, wherein: holding tank (14) have all been seted up to mesa (5) both sides of end box (1) to set up blend stop (15) in the front side edge department of mesa (5), the cross-section of this holding tank (14) is triangle-shaped, and the bottom of holding tank (14) is seted up the silo mouth that the cross-section is the bar, is connected through setting up siphunculus (16) between this silo mouth and collecting box (17).

4. The maintenance electrician skill training assessment device of claim 1, wherein: the front side of protection module (6) is installed voltage type earth-leakage protector (10) and current type earth-leakage protector (11) respectively, and voltage type earth-leakage protector (10) and current type earth-leakage protector (11) all are connected with this power cord of examining the device.

5. The maintenance electrician skill training assessment device of claim 1, wherein: the mounting module (7) comprises at least two groups of embedded plates (71), the embedded plates (71) are embedded into embedded grooves which are preset in the surface of the control panel (2) and are connected with the control panel through a connecting assembly, an electric assembly is detachably arranged on the front side of each embedded plate (71), and each electric assembly comprises an electric control circuit and an electronic circuit experimental component.

6. The maintenance electrician skill training assessment device of claim 5, wherein: coupling assembling contains coiling section (27), winds coiling cloth (29) of coiling in coiling section (27) and with coiling section (29) one end fixed connection's bumping post (28), be provided with the spool in coiling section (27), the both ends of this spool all are connected with coiling section (27) through setting up torsion spring, coiling section (29) are around rolling up in the spool surface to run through the opening that coiling section (27) surface was predetermine, the thickness of coiling section (29) is identical with the width of opening.

7. The maintenance electrician skill training assessment device of claim 6, wherein: all the cartridge has picture peg (25) in the both sides of panel (71), and establishes between picture peg (25) and panel (71) inner wall into notch (26), notch (26) are run through to the one end of batching cloth (29), the length of bumping post (28) is than notch (26) length 1-2cm more.

8. The maintenance electrician skill training assessment device of claim 1, wherein: extend module (8) and contain fixed frame (20), movable frame (19) and be used for connecting folded sheet (21) of fixed frame (20) and movable frame (19), fixed frame (20) outside is connected with control panel (2) through setting up a plurality of buckles (22), folded sheet (21) comprise a plurality of metal slats, and adjacent two sets of through setting up hinge connection between the metal slat.

9. The maintenance electrician skill training assessment device of claim 8, wherein: the adjusting part that is used for the location is worn to be equipped with in the middle part of movable frame (19), and this adjusting part contains connecting rod (23) and fixed cover (24) of mutual spiral connection, connecting rod (23) run through movable frame (19) to be connected through setting up the bearing between with movable frame (19), fixed cover (24) with control panel (2) surface welding.

10. The maintenance electrician skill training assessment device of claim 7, wherein: couple subassembly contains curb plate (12) of fixed connection in control panel (2) avris and sets up in a plurality of couple bags (13) on curb plate (12) surface, couple bag (13) contain the flexible bag of double-deck formula, and expand after couple bag (13) are "C" shape, each couple bag (13) all are connected with vacuum generator (18) through the hose to install the three way valve on the extraction opening of vacuum generator (18).