CN215577261U - Electronic skill examination experiment box - Google Patents

Abstract

The utility model discloses an electronic skill examination experimental box which comprises an experimental box body, wherein a troubleshooting circuit board is arranged in the experimental box body, the troubleshooting circuit board comprises a light-operated electronic bird module, an LED water lamp module, a light-operated water lamp module, a sound-controlled water lamp module and a series voltage-stabilized power supply module, the upper end of the experimental box body is movably connected with a box cover, the inner side of the box cover is connected with a touch screen assembly in a positioning mode, a hinge is arranged between the experimental box body and the box cover, and the inner sides of the experimental box body and the box cover are connected with a supporting frame. According to the electronic skill examination experimental box, three modes of fault training are set through the touch screen, each unit module can be reasonably controlled, the power supply module of the system is controlled to output stably, each unit board circuit can be normally set and a fault point can be cancelled, and the fault maintenance device can meet basic functional requirements through online debugging of the system, so that the expected control effect is achieved.

Description

Electronic skill examination experiment box

Technical Field

The utility model relates to the field of automatic teaching, in particular to an electronic skill examination experimental box.

Background

Electronic skill examination experimental box is a support equipment that carries out automatic teaching, under the advanced background of science and technology, automatic teaching equipment is taking an important position, can effectively improve student's interest in learning, help them consolidate the knowledge of learning, improve the hands-on ability, cultivate the innovation thinking, to middle-position student, the experiment can only be done to the majority of middle-position student, the troubleshooting ability is weak, consequently, develop self-control teaching equipment no matter to the improvement of teaching quality or to the holistic development of student all have the significance in the teaching, along with the continuous development of science and technology, people are also higher and higher to the manufacturing process requirement of electronic skill examination experimental box.

The existing electronic skill examination experiment box has certain defects when in use, most of existing fault detection training equipment is made of PCB (printed Circuit Board), a component or a corresponding PCB needs to be damaged when a fault is arranged, the equipment is easy to damage and difficult to repair, meanwhile, components are wasted, the service cycle is short, the removal speed is low, the efficiency is dull, the difficulty of student learning is high, the learning initiative of students is not high, the trouble emotion is generated in the learning and the fault removal, the use of people is not facilitated, and certain adverse effects are brought.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an electronic skill examination experimental box, which has the advantages that three fault training modes are set through a touch screen, each unit module can be reasonably controlled, the power supply module of a control system can stably output, each unit board circuit can normally set and cancel fault points, a fault maintenance device can meet basic functional requirements through online debugging of the system, the expected control effect is achieved, and the problems in the background technology can be effectively solved.

(II) technical scheme

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides an electron skill examination experimental box, includes the experiment box, the internally mounted of experiment box has the troubleshooting circuit board, the troubleshooting circuit board includes light-operated electron bird module, LED flowing water lamp module, light-operated flowing water lamp module, acoustic control flowing water lamp module and series connection constant voltage power supply module, the upper end swing joint of experiment box has the case lid, the inboard positioning connection of case lid has the touch-sensitive screen subassembly, be provided with the hinge between experiment box and the case lid, the inboard of experiment box and case lid is connected with the support frame, be connected with communication coupling assembling between touch-sensitive screen subassembly and the troubleshooting circuit board.

Preferably, the experiment box body and the box cover are movably opened and closed through a hinge, the touch screen assembly is in communication connection with the troubleshooting circuit board through a communication connection assembly, and the light-operated electronic bird module, the LED water lamp module, the light-operated water lamp module, the sound-controlled water lamp module and the series voltage-stabilized power supply module are connected.

Preferably, the examination experiment module comprises a teacher machine module, a WIFI network communication module, a plurality of omics student machine modules and a corresponding MCU control module, the teacher machine module is connected with the WIFI network communication module, the WIFI network communication module is connected with the student machine modules, and the student machine modules are connected with the MCU control module.

Preferably, the output end of the teacher computer module is in communication connection with the input end of the student computer module through the WIFI network communication module, and the student computer module is in two-way communication connection with the MCU control module.

Preferably, the MCU control module includes a touch screen interface module, a single-chip microcomputer module, a WIFI interface module, an ISP download interface module, an expansion interface module, and a clock unit module, and the single-chip microcomputer module is connected to the touch screen interface module, the WIFI interface module, the ISP download interface module, the expansion interface module, and the clock unit module.

Preferably, the single chip microcomputer module is in bidirectional communication connection with the touch screen interface module, the WIFI interface module, the ISP download interface module, the expansion interface module and the clock unit module.

(III) advantageous effects

Compared with the prior art, the utility model provides an electronic skill examination experimental box, which has the following beneficial effects: the electronic skill examination experimental box sets three modes of fault training through the touch screen, each unit module can be reasonably controlled, the power supply module of the system is controlled to output stably, each unit board circuit can be normally set and a fault point can be cancelled, the basic function requirements can be realized by the system online debugging and the fault maintenance device, the expected control effect is achieved, the overall design scheme of the system provides a hardware overall design scheme taking the msp430f5529 singlechip as a main controller, the design of the system hardware circuit analyzes each module circuit, including the design of a touch screen HMI, a relay control circuit, a unit circuit board, a power supply design and the like, and the function of the whole system hardware circuit is realized through analysis.

Drawings

Fig. 1 is a schematic view of the overall structure of an electronic skill assessment experimental box according to the present invention.

FIG. 2 is a schematic structural diagram of an examination experiment module in the electronic skill examination experiment box according to the present invention.

Fig. 3 is a schematic structural diagram of a block diagram of an MCU control module in an electronic skill examination experiment box according to the present invention.

Fig. 4 is a schematic structural diagram of a circuit diagram of an MCU control module in an electronic skill examination experiment box according to the present invention.

Fig. 5 is a schematic structural diagram of a mode one in an electronic skill examination experimental box according to the present invention.

Fig. 6 is a schematic structural diagram of a mode two in the electronic skill examination experimental box according to the present invention.

Fig. 7 is a schematic structural diagram of mode three in an electronic skill examination experimental box according to the present invention.

Fig. 8 is a schematic structural diagram of a workflow chart in an electronic skill examination experimental box according to the present invention.

In the figure: 1. an experiment box body; 2. a box cover; 3. a touch screen assembly; 4. a support frame; 5. a hinge; 6. a communication connection component; 7. an LED water lamp module; 8. a series voltage-stabilized power supply module; 9. a sound control running light module; 10. a light-operated water lamp module; 11. a light-operated electronic bird module; 12. and (6) troubleshooting the circuit board.

Detailed Description

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and the detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. 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. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1, an electronic skill examination experiment box comprises an experiment box body 1, wherein a troubleshooting circuit board 12 is installed inside the experiment box body 1, the troubleshooting circuit board 12 comprises a light-operated electronic bird module 11, an LED water lamp module 7, a light-operated water lamp module 10, a sound-controlled water lamp module 9 and a series voltage-stabilized power supply module 8, the upper end of the experiment box body 1 is movably connected with a box cover 2, the inner side of the box cover 2 is fixedly connected with a touch screen assembly 3, a hinge 5 is arranged between the experiment box body 1 and the box cover 2, the inner sides of the experiment box body 1 and the box cover 2 are connected with a support frame 4, and a communication connection assembly 6 is connected between the touch screen assembly 3 and the troubleshooting circuit board 12;

further, the experiment box body 1 and the box cover 2 are movably opened and closed through a hinge 5, the touch screen assembly 3 is in communication connection with the troubleshooting circuit board 12 through a communication connection assembly 6, and the light-operated electronic bird module 11, the LED water lamp module 7, the light-operated water lamp module 10, the sound-controlled water lamp module 9 and the series voltage-stabilized power supply module 8 are connected.

Example two:

on the basis of the first embodiment, as shown in fig. 1 and 2, an electronic skill examination experiment box comprises an experiment box body 1, wherein a troubleshooting circuit board 12 is installed inside the experiment box body 1, the troubleshooting circuit board 12 comprises a light-operated electronic bird module 11, an LED water lamp module 7, a light-operated water lamp module 10, a sound-controlled water lamp module 9 and a series voltage-stabilized power supply module 8, the upper end of the experiment box body 1 is movably connected with a box cover 2, the inner side of the box cover 2 is fixedly connected with a touch screen assembly 3, a hinge 5 is arranged between the experiment box body 1 and the box cover 2, the inner sides of the experiment box body 1 and the box cover 2 are connected with a support frame 4, and a communication connection assembly 6 is connected between the touch screen assembly 3 and the troubleshooting circuit board 12;

furthermore, the examination experiment module comprises a teacher machine module, a WIFI network communication module, a plurality of omics student machine modules and corresponding MCU control modules, wherein the teacher machine module is connected with the WIFI network communication module, the WIFI network communication module is connected with the student machine modules, and the student machine modules are connected with the MCU control modules;

furthermore, the output end of the teacher computer module is in communication connection with the input end of the student computer module through the WIFI network communication module, and the student computer module is in bidirectional communication connection with the MCU control module;

setting three modes, wherein the mode is a random mode, a certain number of fault groups are randomly set in a control system of the fault box, and the fault point of each fault group is randomly provided and has no certainty, so that the mode is set on the basis of the mode II, the difficulty is relatively improved, the principle of each unit circuit needs to be familiar, and a fault maintenance method needs to be mastered;

the second mode is a fixed mode, a certain number of fault groups are arranged in a control system of the fault box, and the fault groups are fixedly arranged aiming at fault points of each unit circuit, so that a learner can select to be trained aiming at a certain fault and to be specifically skilled at a certain knowledge point;

and the third mode is an examination mode which cannot be seen by students during training, and the third mode is used as examination and identification and has the functions of centralized control, fault setting management, score statistical management and the like of a teacher end through a WIFI network.

Example three:

on the basis of the second embodiment, as shown in fig. 1-8, an electronic skill examination experiment box comprises an experiment box body 1, wherein a troubleshooting circuit board 12 is installed inside the experiment box body 1, the troubleshooting circuit board 12 comprises a light-operated electronic bird module 11, an LED water lamp module 7, a light-operated water lamp module 10, a sound-controlled water lamp module 9 and a series voltage-stabilized power supply module 8, the upper end of the experiment box body 1 is movably connected with a box cover 2, the inner side of the box cover 2 is fixedly connected with a touch screen assembly 3, a hinge 5 is arranged between the experiment box body 1 and the box cover 2, the inner sides of the experiment box body 1 and the box cover 2 are connected with a support frame 4, and a communication connection assembly 6 is connected between the touch screen assembly 3 and the troubleshooting circuit board 12;

further, the MCU control module comprises a touch screen interface module, a single chip microcomputer module, a WIFI interface module, an ISP download interface module, an expansion interface module and a clock unit module, wherein the single chip microcomputer module is connected with the touch screen interface module, the WIFI interface module, the ISP download interface module, the expansion interface module and the clock unit module;

furthermore, the single chip microcomputer module is in bidirectional communication connection with the touch screen interface module, the WIFI interface module, the ISP download interface module, the expansion interface module and the clock unit module.

The working principle is as follows: the utility model comprises an experiment box body 1, a box cover 2, a touch screen component 3, a support frame 4, a hinge 5, a communication connecting component 6, an LED running light module 7, a series voltage-stabilized power supply module 8, a sound-controlled running light module 9, a light-controlled running light module 10, a light-controlled electronic bird module 11 and a troubleshooting circuit board 12, when in use, the utility model consists of a teacher machine and an examination experiment box, students can input names and school numbers or one-card swiping to log in basic information, a system can automatically record the time of troubleshooting to generate an Excel table, a teacher can conveniently look up the time of troubleshooting of the students, the teacher can log in a client to carry out fault setting on a unit circuit in a training device through a wireless network, and the students test and judge by means of instruments and data on the touch screen so as to eliminate the normal phenomenon of a fault recovery circuit and simultaneously serve as the skill examination and training of electromechanical and electric students, the touch screen component 3 is arranged in the platform, students can independently learn the principle and fault maintenance of the circuit through help instructions in the screen, the learning initiative of the students is increased, the system is composed of a teacher machine and a plurality of student machines by utilizing WIFI network communication, the teacher machine is responsible for sending fault instructions to the training devices of the slave machines, fault points are uniformly set, after the fault devices receive the fault point setting instructions, fault displays are set for corresponding circuit boards, three modes are set, wherein one mode is a random mode, a certain number of fault groups are randomly arranged in a control system of the fault box, the fault points of each fault group are randomly provided and have no determinacy, so the mode is set on the basis of the second mode, the difficulty is relatively improved, the principle of each unit circuit needs to be familiar, the fault maintenance method needs to be mastered skillfully, the second mode is a fixed mode, a certain number of fault groups are arranged in the control system of the fault box, and is fixed to every unit circuit fault point and set up, so the scholars can choose to train to a certain fault, the targeted one is skilled in a certain knowledge point, the third mode is the examination mode, this mode is that the student can't see during training, this mode is regarded as the examination appraisal, the teacher end is centralized through WIFI network and controlled, functions such as fault setting management and achievement statistics management, MCU control module mainly includes the one-chip computer, WIFI interface, touch-sensitive screen interface, ISP download interface, expansion interface and clock unit, in the clock circuit, there are 2 interfaces of clock in msp430f5529 one-chip computer generally, and can multiply frequency through FLL, generally choose the clock that 32.768KHZ and 4M external crystal oscillators provide, in order to guarantee the rapidity and stability of the clock circuit, connect two 20 to 30PF electric capacities on the crystal oscillator, because the I/O expands the driving ability of chip 74LS595 to be limited, the relay can not be directly driven, so a high-current load chip ULN2803 is adopted to drive a relay coil, a normally closed contact of the relay is connected into a branch of a unit circuit board, and the branch is connected under normal conditions; when a relay coil is electrified, a contact is disconnected, a unit circuit board has a short-circuit fault, the picture structure of a touch screen of the troubleshooting device comprises three-level pages of a user login mode, a training mode selection and a help mode, a power switch of the device is turned on by the user to display a user login picture, the name and the school number are input by the user or a card is brushed by the user, screen user information is sent to a single chip microcomputer and is sent to an upper computer through a WIFI network, after the user information is input, the system enters a training mode selection picture, a fixed training mode, a random training mode and an examination are shared, after the system is started, power-on reset firstly starts to read an initialization program, each module of the system is initialized and set, then a controller sends a handshake data frame to a serial port to determine whether the touch screen and the WIFI connection is normal or not, and after the touch screen and the WIFI connection are normal, the system enters a waiting instruction state, and the instruction comprises the touch screen or client data, when an instruction arrives, instruction verification is carried out, if the verification is wrong, the data packet system is abandoned to enter a waiting instruction state again, a correct verification system judges the type of the instruction, the system can carry out fault setting and fault state detection aiming at different instruction types, in a fault setting link, fault information is serially sent to an I/0 expansion module 74LS595, a corresponding relay is attracted through a driving module to achieve the effect of setting a fault point, after each fault setting or state detection is finished, a client and a touch screen can carry out data exchange to ensure synchronous updating of data, the experimental box needs to carry out data sending and receiving of an upper computer, so that LABVIEW is selected as upper computer development software, the software is graphical programming software, has rich self-built libraries, and can realize corresponding functions through calling, the general structure connection is carried out through a programmed programming block diagram, the method has the characteristics of simple operation, attractive interface and convenience in development, because of the uniqueness of a controlled object and the diversity of a main control end, a communication protocol for a fault removing system is formulated, and the data verification format of a touch screen is simulated at the beginning of all protocols, namely: the frame of two bytes is started, the frame is ended in a CRC check mode, the data length, the data type, the host computer number and the like are recorded, the CRC check is taken as a classic data check format and adopted by most system communication protocols, which means that other communication formats can be better compatible, a foundation is laid for other understanding of the system communication flow, rational conditions are provided for better secondary development in the future, meanwhile, stable data communication and obviously reduced packet loss rate are found in actual communication, a premise is provided for system stability, a fault maintenance device comprises 5 unit circuit boards which are respectively a series connection stabilized voltage power supply, a light control electronic bird, a multi-cycle flashing light, a sound control water flowing light and a light control water flowing light, the 5 circuits comprise an analog circuit and a digital circuit, wherein the phenomenon of the sound control water flowing light is easier to observe, and the series connection stabilized voltage power supply circuit is an analog-to-electricity basic circuit, the students look over the principle with the help of instruments and on the touch screen and carry out troubleshooting according to the schematic diagram and the prompt, and the learning mode not only can improve the initiative of learning, but also can improve the troubleshooting capability and thinking capability of the students.

It is noted that, herein, relational terms such as first and second (a, b, etc.) 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.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (6)

1. The utility model provides an electron skill examination experimental box, includes experiment box (1) and examination experiment module, its characterized in that: the utility model discloses an experiment box, including the internally mounted of experiment box (1) trouble maintenance circuit board (12), trouble maintenance circuit board (12) include light-operated electron bird module (11), LED running water lamp module (7), light-operated running water lamp module (10), acoustic control running water lamp module (9) and series connection constant voltage power supply module (8), the upper end swing joint of experiment box (1) has case lid (2), the inboard location of case lid (2) is connected with touch-sensitive screen subassembly (3), be provided with hinge (5) between experiment box (1) and case lid (2), the inboard of experiment box (1) and case lid (2) is connected with support frame (4), be connected with communication coupling assembling (6) between touch-sensitive screen subassembly (3) and trouble maintenance circuit board (12).

2. The electronic skill assessment experimental box of claim 1, wherein: open and shut through hinge (5) activity between experiment box (1) and case lid (2), through communication coupling assembling (6) communication connection between touch-sensitive screen subassembly (3) and troubleshooting circuit board (12), be connected between light-operated electron bird module (11), LED flowing water lamp module (7), light-operated flowing water lamp module (10), acoustic control flowing water lamp module (9) and series connection constant voltage power supply module (8).

3. The electronic skill assessment experimental box of claim 1, wherein: the assessment experiment module comprises a teacher machine module, a WIFI network communication module, a plurality of omics student machine modules and a corresponding MCU control module, the teacher machine module is connected with the WIFI network communication module, the WIFI network communication module is connected with the student machine module, and the student machine module is connected with the MCU control module.

4. An electronic skill assessment experimental box according to claim 3, characterized in that: the output end of the teacher computer module is in communication connection with the input end of the student computer module through the WIFI network communication module, and the student computer module is in two-way communication connection with the MCU control module.

5. An electronic skill assessment experimental box according to claim 3, characterized in that: the MCU control module comprises a touch screen interface module, a single chip microcomputer module, a WIFI interface module, an ISP download interface module, an expansion interface module and a clock unit module, and the single chip microcomputer module is connected with the touch screen interface module, the WIFI interface module, the ISP download interface module, the expansion interface module and the clock unit module.

6. An electronic skill assessment experimental box according to claim 5, characterized in that: the single chip microcomputer module is in bidirectional communication connection with the touch screen interface module, the WIFI interface module, the ISP download interface module, the expansion interface module and the clock unit module.

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