阅读说明：本技术 一种用于电气信息技术教学的工作台 (A workstation for electrical information technology teaching ) 是由 商勇 于 2021-07-06 设计创作，主要内容包括：本发明公开了一种用于电气信息技术教学的工作台,涉及电气信息教学领域,旨在解决现有的工作台设备仪器散乱,不便于装拆的问题,通过在工作台上设置安装槽,并通过燕尾槽连接演示模块,不同的演示模块上集成了不同的演示仪器和设备,根据不同的演示需求,演示人员可将集成了相关演示设备的演示模块通过燕尾槽安装在安装槽内,并连接电路,通过模块化的装卸可实现快速更换演示所需仪器设备,省时省力；设置挡门板并使挡门板在容纳槽内滑动,不仅可在使用时将安装槽侧面封闭,防止演示模块脱落,还可防止人为误碰插头,造成插头或接口损坏。(The invention discloses a workbench for electrical information technology teaching, which relates to the field of electrical information teaching and aims to solve the problems that the instruments of the existing workbench are messy and inconvenient to assemble and disassemble; set up the shutter board and make the shutter board slide in the holding tank, not only can seal the mounting groove side when using, prevent that demonstration module from droing, still can prevent that the people from bumping the plug by mistake, causing plug or interface to damage.)

1. The utility model provides a workstation for electrical information technology teaching which characterized in that: the demonstration device comprises a workbench (1), wherein a mounting groove (2) is formed in the workbench (1), a demonstration module (3) is connected in the mounting groove (2) in a sliding mode, instrument equipment for demonstration tests is integrated on the demonstration module (3), the instrument equipment is electrically connected with a plug (7), an interface (6) is arranged in the mounting groove (2), the plug (7) is inserted into the interface (6), a controller (4) and a touch screen (10) are further arranged in the workbench (1), a microprocessor is arranged in the controller (4), and the microprocessor is electrically connected with the interface (6) and the touch screen (10); the controller (4) is positioned in the control bin, and the touch screen (10) is installed on the top surface of the workbench (1); the bottom surface of the workbench (1) is provided with a moving wheel, and the moving wheel is provided with a brake device.

2. A workstation for electrical information technology teaching according to claim 1, wherein: the demonstration module (3) is provided with a plurality of instruments and equipment required by different demonstration contents.

3. A workstation for electrical information technology teaching according to claim 1, wherein: the side surface of the demonstration module (3) is provided with a trapezoidal sliding block, and the side surface of the mounting groove (2) is provided with a dovetail groove which corresponds to the trapezoidal sliding block in position and is matched with the trapezoidal sliding block in size; the side surface of the demonstration module (3) is provided with a lifting groove.

4. A workstation for electrical information technology teaching according to claim 3, wherein: a drawer (17) is arranged on the workbench (1), and a table board (11) and the demonstration module (3) are placed in the drawer (17).

5. A workstation for electrical information technology teaching according to claim 4, wherein: the side surface of the deck plate (11) is provided with a limiting block which corresponds to the dovetail groove in position and is matched with the dovetail groove in size, and the limiting block is a trapezoidal block.

6. A workstation for electrical information technology teaching according to claim 1, wherein: there is the holding tank mounting groove (2) bottom surface, the holding tank side is opened there is the spout, sliding connection has the rotation axis of fender door plant (5) in the spout, fender door plant (5) are in holding tank sliding connection just the width of fender door plant (5) is greater than the width of mounting groove (2), just workstation (1) with there is stop gear between fender door plant (5).

7. A workstation for electrical information technology teaching according to claim 6, wherein: the limiting mechanism comprises two limiting plates (8) and two limiting pins (9), the two limiting plates (8) are symmetrically arranged on the workbench (1), the opposite surfaces of the two limiting plates (8) are provided with spherical bulges, the limiting pins (9) are arranged on the door blocking plate (5), and the limiting pins (9) are arrow-shaped, correspond to the spherical bulges in position and are matched in size; the door blocking plate (5) is provided with a handle.

8. A workstation for electrical information technology teaching according to claim 1, wherein: an access door (12) is arranged on the control bin.

9. A workstation for electrical information technology teaching according to claim 8, wherein: the working table (1) and the door blocking plate (5) and the access door (2) are provided with a first door lock (13) and a second door lock (14) respectively, and the first door lock (13) and the second door lock (14) have the same structure.

10. A workstation for electrical information technology teaching according to claim 9, wherein: the first door lock (13) is connected to the side wall of the workbench (1) in a shaft mode, a door bolt plate (15) is installed inside the first door lock, and a door bolt groove (16) which corresponds to the door bolt plate (15) in position and is matched with the door bolt plate in size is formed in the door stop plate (5).

Technical Field

The invention relates to the field of electrical information teaching, in particular to a workbench for electrical information technology teaching.

Background

The electrical information engineering profession cultivates wide-caliber composite advanced engineering technical talents which can engage in the work in the fields of system operation, automatic control, power electronic technology, information processing, test analysis, network engineering, development and development, economic management, electronic and computer technical application and the like related to electrical engineering.

Mainly learns engineering technology bases and certain professional knowledge in wider fields in the aspects of electrician technology, electronic technology, electrical control, electric power systems, computer technology, application and the like. The method is mainly characterized by strong and weak current combination, combination of electrician technology and electronic technology, combination of software and hardware, combination of elements and a system, basic training of electrician electronics, information control and computer technology for students, and basic capability of solving the technical problems of electrical control and analysis of a power system.

The electric profession including electric engineering and automation is related to the electricity, and the following electricity is necessary to explain: the electric appliance is not an electric appliance, and includes all electric equipment. The concept is quite extensive, namely electricity is used, and speciality in electric control is realized if the concept is controlled by electricity; the professional objective is how to automatically operate the machine, namely the intelligent operation, and the machine can adjust work according to environmental changes; the study course mainly focuses on the circuit and control principle, and has some related contents in the aspect of power electronics. As a leading discipline, the profession needs to learn new control techniques continuously, and basic control techniques and theories are learned in universities.

The demonstration tests of the electrical information engineering comprise a motor and control test, a power electronic test, a power system relay protection test and the like; the main contents of the motor and control experiment comprise a motor dragging principle, PCB plate making, power conversion and the like, and the main contents of the power electronic experiment comprise the conduction and turn-off conditions of a thyristor, single-phase bridge type half-controlled rectification, single-phase alternating current voltage regulating circuit research, IGBT chopper circuit research, GTR single-phase parallel inverter research, sawtooth wave synchronous trigger circuit research and the like; the main contents of the relay protection experiment of the power system include an electromagnetic current relay and time relay experiment, a single-side power supply radiation line current protection experiment, a transistor overcurrent protection experiment, a transformer protection experiment and the like.

In the existing electric information teaching process, a teacher needs to use a workbench to demonstrate students, equipment and instruments for demonstration need to be frequently replaced according to different demonstration contents, and a large amount of instrument and equipment are placed at each time, so that time and labor are wasted.

Disclosure of Invention

In view of the problems in the prior art, the invention discloses a workbench for electrical information technology teaching, which adopts the technical scheme that the workbench comprises a workbench, wherein a mounting groove is formed in the workbench, a demonstration module is connected in the mounting groove in a sliding manner, instrument equipment for demonstration tests is integrated on the demonstration module, equipment used in each experiment is installed in one module, a required demonstration module can be installed on the workbench according to the experiment requirements, the experimental instrument and the equipment can be quickly replaced without losing the equipment, the centralized management is facilitated, the instrument equipment is electrically connected with a plug, an interface is arranged in the mounting groove, the plug is inserted into the interface, a controller and a touch screen are further arranged in the workbench, a microprocessor is arranged in the controller, and the microprocessor, the interface, the microprocessor and the touch screen are arranged in the controller, The touch screen is electrically connected, and a circuit on the demonstration module can be connected with the controller by quickly inserting the circuit on the demonstration module into the interface through a plug, so that the centralized control is facilitated; the controller is positioned in the control bin, and the touch screen is arranged on the top surface of the workbench and is convenient to observe and use; the bottom surface of the workbench is provided with a moving wheel which is convenient for the workbench to move, the moving wheel is provided with a brake device, and the moving wheel can be locked by the brake device after the workbench is moved to an expected place, so that the moving in the using process is prevented.

As a preferred technical scheme of the invention, the demonstration module is provided with a plurality of demonstration modules, integrates instrument equipment required by different demonstration contents, and can be simultaneously installed in the installation groove to meet different experimental requirements.

As a preferred technical scheme of the invention, the side surface of the demonstration module is provided with a trapezoidal sliding block, the side surface of the installation groove is provided with a dovetail groove which corresponds to the trapezoidal sliding block in position and is matched with the trapezoidal sliding block in size, and the trapezoidal sliding block and the dovetail groove are simple in structure, stable in connection and convenient to operate; the side surface of the demonstration module is provided with a lifting groove, so that the demonstration module can be lifted upwards and pulled horizontally.

As a preferred technical scheme of the invention, the workbench is provided with the drawer, the desk panel and the standby demonstration module are arranged in the drawer, the desk panel can be installed to be used as a common desktop when the demonstration module is not needed, and the standby demonstration module is the demonstration module which is not needed by the demonstration and can be intensively arranged in the drawer for standby, so that the loss is prevented.

As a preferred technical scheme of the invention, the side surface of the deck plate is provided with a limiting block which corresponds to the dovetail groove in position and is matched with the dovetail groove in size, the limiting block is a trapezoidal block, and the limiting block of the deck plate is also matched with the dovetail groove, so that modularization and generalization are realized.

As a preferred technical scheme of the invention, the bottom surface of the mounting groove is provided with a containing groove, the side surface of the containing groove is provided with a sliding groove, the sliding groove is connected with a rotating shaft of a door stop plate in a sliding manner, the door stop plate is connected in the containing groove in a sliding manner, the width of the door stop plate is larger than that of the mounting groove, a limiting mechanism is arranged between the workbench and the door stop plate, the door stop plate can be pulled out after the demonstration module is mounted and buckled on the side surface of the mounting groove and limited by the limiting mechanism, the demonstration module, an interface and a plug can be protected, accidental damage can be avoided, the door stop plate can be contained by the containing groove, and the door stop plate can be better contained and prevented from being lost when not in use; the limiting mechanism can limit the door stop plate and prevent accidental opening.

As a preferred technical scheme of the invention, the limiting mechanism comprises two limiting plates and two limiting pins, the two limiting plates are symmetrically arranged on the workbench, the opposite surfaces of the two limiting plates are provided with spherical bulges, the limiting pins are arranged on the door blocking plate, the limiting pins are arrow-shaped and are corresponding to the spherical bulges in position and matched with the spherical bulges in size, and when the door blocking plate is buckled, the spherical bulges can enter between the two limiting plates by extruding the limiting pins; the door blocking plate is provided with a handle, so that the door blocking plate can be conveniently opened, and the limiting pin is separated from the limiting plate for limiting.

As a preferred technical scheme of the invention, the control bin is provided with an access door, so that the controller in the control bin can be conveniently overhauled and maintained.

As a preferred technical scheme of the invention, a first door lock and a second door lock are respectively arranged between the workbench and the door blocking plate and between the workbench and the access door, the first door lock and the second door lock have the same structure, and the door blocking plate and the access door can be locked by the first door lock and the second door lock, so that the door blocking plate and the access door can only be opened by people with keys, and the management is more convenient.

As a preferred technical scheme of the invention, the first door lock shaft is connected to the side wall of the workbench, a door bolt plate is arranged in the first door lock shaft, a door bolt groove which is corresponding to the door bolt plate in position and is matched with the door bolt plate in size is formed in the door stop plate, and the door stop plate can be limited by screwing the door bolt plate into the door bolt groove; the second door lock is used for limiting the maintenance door.

The invention has the beneficial effects that: according to the invention, the installation groove is formed in the workbench, the demonstration modules are connected through the dovetail grooves, different demonstration instruments and equipment are integrated on different demonstration modules, according to different demonstration requirements, a demonstration worker can install the demonstration modules integrated with the relevant demonstration equipment in the installation groove through the dovetail grooves and connect the demonstration modules with a circuit, and the instrument equipment required by demonstration can be rapidly replaced through modularized assembly and disassembly, so that time and labor are saved.

Further, set up the drawer and prevent reserve demonstration module and deck plate, not only be convenient for store reserve demonstration module, be favorable to taking fast, the deck plate still can be closed the mounting groove when not being suitable for the demonstration function, uses as ordinary desk.

Furthermore, set up the door board and make the door board slide in the holding tank, not only can seal the mounting groove side when using, prevent that demonstration module from droing, still can prevent that the people from touching the plug by mistake, causing plug or interface damage.

Furthermore, set up the lock on door board and the access door, can prevent that the people other than non-management or maintainer from opening the door plant, cause equipment to lose or damage.

Drawings

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

FIG. 2 is a schematic structural view of a limiting mechanism of the present invention;

FIG. 3 is a schematic top view of an installation demonstration module according to the present invention;

FIG. 4 is a schematic top view of an uninstalled demonstration module according to the present invention;

FIG. 5 is a schematic diagram of a front view structure of a demonstration module according to the present invention;

FIG. 6 is a schematic view of a table top according to the present invention;

FIG. 7 is a schematic view of the external structure of the present invention;

fig. 8 is a schematic view of the first door lock structure of the present invention.

In the figure: 1-workbench, 2-mounting groove, 3-demonstration module, 4-controller, 5-door baffle plate, 6-interface, 7-plug, 8-limiting plate, 9-limiting pin, 10-touch screen, 11-table panel, 12-access door, 13-first door lock, 14-second door lock, 15-door bolt plate, 16-door bolt groove and 17-drawer.

Detailed Description

Example 1

As shown in fig. 1 to 8, the invention discloses a workbench for electrical information technology teaching, which adopts the technical scheme that the workbench comprises a workbench 1, wherein an installation groove 2 is formed in the workbench 1, a demonstration module 3 is slidably connected in the installation groove 2, instrument equipment for demonstration tests is integrated on the demonstration module 3, the instrument equipment is electrically connected with a plug 7, an interface 6 is arranged in the installation groove 2, the plug 7 is inserted into the interface 6, a controller 4 and a touch screen 10 are further arranged in the workbench 1, a microprocessor is arranged in the controller 4, and the microprocessor is electrically connected with the interface 6 and the touch screen 10; the controller 4 is positioned in the control cabin, and the touch screen 10 is arranged on the top surface of the workbench 1; when experiment demonstration is needed, the needed demonstration module 3 is installed on the installation groove 2, the plug 7 is inserted into the interface 6, and the instrument equipment of the demonstration module 3 is connected with the controller 4; the bottom surface of the workbench 1 is provided with a movable wheel, the workbench 1 can be moved through the movable wheel, the movable wheel is provided with a brake device, and the workbench 1 can be positioned through the brake device.

As a preferred technical solution of the present invention, the demonstration modules 3 are provided in plurality and integrated with instruments and equipment required by different demonstration contents, and according to different experimental requirements, the corresponding demonstration modules 3 can be selected and installed on the installation groove 2.

As a preferred technical scheme of the invention, the side surface of the demonstration module 3 is provided with a trapezoidal sliding block, the side surface of the mounting groove 2 is provided with a dovetail groove which corresponds to the trapezoidal sliding block in position and is matched with the trapezoidal sliding block in size, and when the demonstration module 3 is mounted, the trapezoidal sliding block is pushed into the dovetail groove in an aligning manner, so that the demonstration module 3 can be limited and prevented from falling off; there is a lifting groove demonstration module 3 side, there is the tongue that upwards buckles in the lifting groove, when needs pulling demonstration module 3, accessible lifting groove pulling demonstration module 3.

As a preferred technical scheme of the invention, a drawer 17 is arranged on the workbench 1, and a table panel 11 and the demonstration module 3 are placed in the drawer 17; the table top plate 11 and the standby demonstration module 3 are placed in the drawer 17, and when the demonstration module needs to be taken, the demonstration module can be taken by pulling the drawer 17 open, so that the demonstration module is convenient and quick; can install 3 demonstration modules 3 of group simultaneously in the mounting groove 2, deck plate 11 has threely, and length homogeneous phase is the same but the width is different, and is three the width of deck plate 11 is demonstration module 3 width one time, twice and triple respectively for when not using demonstration module 3 or not needing three demonstration modules 3, deck plate 11 shutoff mounting groove 2 of accessible suitable size.

As a preferred technical scheme of the present invention, the side surface of the deck plate 11 is provided with a limiting block corresponding to the dovetail groove in position and matching in size, the limiting block is a trapezoidal block, and when the deck plate 11 is installed, the limiting block can be inserted into the dovetail groove to complete installation.

As a preferred technical scheme of the invention, the bottom surface of the mounting groove 2 is provided with a holding groove, the side surface of the holding groove is provided with a sliding groove, the sliding groove is connected with a rotating shaft of the door stop plate 5 in a sliding manner, the door stop plate 5 is connected in the holding groove in a sliding manner, the width of the door stop plate 5 is larger than that of the mounting groove 2, a limiting mechanism is arranged between the workbench 1 and the door stop plate 5, when the door stop plate 5 needs to be fastened, the door stop plate 5 is pulled out from the holding groove, the rotating shaft slides in the sliding groove, and after the door stop plate 5 is completely pulled out, the door stop plate 5 can be limited by the limiting mechanism after being turned upwards.

As a preferred technical scheme of the invention, the limiting mechanism comprises two limiting plates 8 and two limiting pins 9, the two limiting plates 8 are symmetrically arranged on the workbench 1, the opposite surfaces of the two limiting plates 8 are provided with spherical protrusions, the limiting pins 9 are arranged on the door stop plate 5, the limiting pins 9 are arrow-shaped and correspond to the spherical protrusions in position and are matched in size, when the two limiting plates are buckled, the limiting pins 9 enter between the two limiting plates 8, in the inserting process, the limiting plates 8 are extruded to two sides by the limiting pins 9, so that the limiting plates 8 are elastically deformed, after the arrow completely passes through the spherical protrusions, the limiting plates 8 reset under the self elastic action, and the arrow is limited by the spherical protrusions; the door blocking plate 5 is provided with a handle, and when the limit of the limit mechanism needs to be released, the limit pin 9 can be pulled out by pulling the handle.

As a preferred technical scheme of the invention, the control cabin is provided with an access door 12, and the controller 4 can be accessed by opening the access door 12.

As a preferred technical solution of the present invention, a first door lock 13 and a second door lock 14 are respectively installed between the workbench 1 and the door stop plate 5 and the access door 2, and the first door lock 13 and the second door lock 14 have the same structure.

As a preferable technical scheme of the invention, the first door lock 13 is connected with the side wall of the workbench 1 in an axis mode, a door bolt plate 15 is installed inside the first door lock, a door bolt groove 16 which corresponds to the door bolt plate 15 in position and is matched in size is formed in the door stop plate 5, the first door lock 13 is rotated through a key, the door bolt plate 15 can be driven to rotate through a lock core, the position can be limited when the first door lock enters the door bolt groove 16, and the position can be released when the first door lock is separated from the door bolt groove 16.

The working principle of the invention is as follows: the drawer 17 is pulled open to take out the demonstration module 3 required by the teaching demonstration, the demonstration module 3 is inserted from the opening on the side surface of the mounting groove 2, the trapezoidal slide block of the demonstration module 3 enters the dovetail groove, and the plug 7 of the demonstration module 3 is inserted into the corresponding interface 6, after the connection is finished, the door stop plate 5 is pulled out from the containing groove, and is turned upwards after being completely pulled out, so that the limit pin 9 enters between the two limit plates 8, during the insertion process, the limit pins 9 extrude the limit plates 8 towards two sides, so that the limit plates 8 are elastically deformed, after the arrow head part completely passes through the spherical bulge, the limiting plate 8 resets under the elastic action of the arrow head part, the spherical bulge limits the arrow head part, a key is inserted into the first door lock 13 to rotate, the lock cylinder drives the door bolt plate 15 to rotate, the door bolt plate 15 enters the door bolt groove 16 of the door stop plate 5, and the limitation on the door stop plate 5 is completed.

In the teaching demonstration process, teachers and students can send signals to the controller 4 through the touch screen 10, the controller 4 controls corresponding instruments and equipment, and relevant parameters are displayed through the touch screen 10 to be consulted by teachers and students.

After the teaching demonstration, can remove first door lock 13 spacing to shutter plate 5, open shutter plate 5 through the handle on shutter plate 5 to will shutter plate 5 slide into again and accomodate the inslot, pull out plug 7 from interface 6 after, hold the lifting groove and pull out demonstration module 3, and put into drawer 17 with it.

When the demonstration module 3 is not required to be installed, the table panel 11 is taken out from the drawer 17 and installed on the installation groove 2, and the table can be used as a common table.

When the maintenance and overhaul are carried out, after the limit of the second door lock 14 is removed, the access door 12 is opened, the control bin can be accessed to overhaul the controller 4 and the touch screen 10, the upper part and the side surface of the mounting groove 2 are through, and the interface 6 can be directly maintained and overhauled.

The microprocessor related to the invention adopts an STM32 chip for controlling electrical equipment, and technical starting can be obtained by technical personnel in the field by referring to textbooks or technical manuals published by manufacturers through the pins and the connection mode of the STM 32; the circuit connections according to the invention are conventional means used by the person skilled in the art and can be suggested by a limited number of tests, which are common knowledge.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.