CN112530216B - Immersive virtual-real interaction practical training system and method - Google Patents
Immersive virtual-real interaction practical training system and method Download PDFInfo
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- CN112530216B CN112530216B CN202011486019.3A CN202011486019A CN112530216B CN 112530216 B CN112530216 B CN 112530216B CN 202011486019 A CN202011486019 A CN 202011486019A CN 112530216 B CN112530216 B CN 112530216B
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- 238000012549 training Methods 0.000 title claims abstract description 69
- 230000003993 interaction Effects 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000011159 matrix material Substances 0.000 claims description 82
- 238000002474 experimental method Methods 0.000 claims description 45
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- 239000003302 ferromagnetic material Substances 0.000 claims description 28
- 230000005291 magnetic effect Effects 0.000 claims description 22
- 238000001179 sorption measurement Methods 0.000 claims description 22
- 230000002093 peripheral effect Effects 0.000 claims description 12
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- 230000002452 interceptive effect Effects 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims description 2
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- 230000005294 ferromagnetic effect Effects 0.000 description 3
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- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/067—Combinations of audio and projected visual presentation, e.g. film, slides
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
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Abstract
The invention discloses an immersive virtual-real interaction practical training system and a practical training method thereof. On one hand, when a student places experimental equipment, the control host displays parameters, wiring terminals, cautions and the like of the equipment nearby the experimental equipment in a video mode through the projector to guide the student to install, connect and debug the equipment, which is equivalent to the guidance of a teacher on site. On the other hand, after the plurality of experimental devices are installed, the control host starts a linkage working mode, simultaneously, images display the device state, the workflow data display and the like in real time in a dynamic background mode, and the running state data of the display device in the current scene is simulated. The invention is convenient to disassemble and can be used for projection teaching, thereby greatly stimulating the learning enthusiasm of students and improving the learning efficiency of students.
Description
Technical Field
The invention relates to the technical field of teaching instrument equipment, in particular to an immersive virtual-real interaction practical training system and method.
Background
In the aspect of practical teaching in colleges and universities and vocational colleges, in the traditional mode, various experimental boxes and experimental tables are used as carriers, students perform experiments (training) on the experimental tables (boxes) according to steps according to practical training (or experimental) instruction books, and the long-term experiment (training) mode enables the students to be more esthetically fatigued, so that the learning interest is low and the efficiency is not high; the education department also develops various policies for this purpose, and promotes schools to improve the teaching mode and carry out a series of teaching, teaching materials and teaching law reform in order to improve the teaching mode. Meanwhile, each experimental teaching equipment provider is also actively innovated, and a plurality of innovative products are invented and created in order to improve the interest of students.
Aiming at various defects of laboratory equipment in colleges and universities, the practical teaching equipment which is quickly assembled and disassembled and can be projected is needed so as to improve the efficiency and the development enthusiasm of students in the teaching and practical training aspects of the colleges and universities and vocational colleges and meet the teaching requirement of teaching through lively teaching in the teaching field of the colleges and universities.
Disclosure of Invention
The invention aims to provide an immersive virtual-real interaction practical training system and method.
The technical scheme adopted by the invention is as follows:
an immersive virtual-real interaction practical training system comprises an experiment table, experiment equipment and a control host, wherein the experiment table is provided with a matrix plane as a projection plane, a projector and a camera are arranged above the matrix plane, ferromagnetic materials are arranged in the matrix plane, the experiment equipment with different sizes are magnetically adsorbed on the matrix plane respectively, infrared touch modules are arranged on four sides of the matrix plane to form a touch plane covering the matrix plane, an internal accommodating cavity is arranged below the experiment table corresponding to the matrix plane, the control host and experiment peripheral equipment connected with the control host are placed in the accommodating cavity, and connecting wires of the experiment equipment are connected with the peripheral equipment in the accommodating cavity; the control host is respectively connected with the infrared touch module and the projector (not shown in the figure), training teaching information is arranged in the control host, and the infrared touch module detects the size and the position of experimental equipment on a matrix plane and user interaction action information; the control host identifies the equipment type of the current practical training scene based on the size of the experimental equipment, and the projector projects teaching information and interactive feedback information to the matrix plane under the control of the control host.
Further, as a preferred embodiment, the matrix plane has a plurality of pixel grooves, the pixel grooves are detachably magnetically adsorbed with magnetic adsorption modules,
further, as a preferred embodiment, the matrix plane is formed by detachably splicing a plurality of rectangular units, each rectangular unit comprises a shell, a ferromagnetic material metal plate, a clamping plate and a unit bottom plate, the upper surface of the shell is a projection plane, at least one shell through hole serving as a pixel groove is distributed at intervals, a magnetic adsorption module is magnetically adsorbed in the pixel groove, the shell through hole is provided with an inner wall extending towards the inner side of the shell, the depth of the inner wall is equal to the thickness of the magnetic adsorption module, the ferromagnetic material metal plate is sleeved on the outer side of the inner wall and is tightly attached to the inner side of the shell, experimental equipment with magnets at the bottom is convenient to magnetically adsorb on the matrix plane, the clamping plate and the unit bottom plate are sequentially arranged at the bottom opening of the inner wall from top to bottom, at least two sides of the clamping plate corresponding to the bottom opening are provided with embedded grooves for installing the magnet strips, the magnet strips are fixedly installed in the embedded grooves and partially protrude out of the bottom opening, the unit bottom plate is provided with a supporting bump corresponding to the protruding part of the magnet strip, and the projection plane of the shell is a sub-optical zone dermatoglyph plane, so that a good display effect is ensured on the image projection; the inner side surface of the shell, which is contacted with the ferromagnetic material metal plate, is frosted, a plurality of positioning columns are arranged on the inner side of the shell, and the positioning columns sequentially penetrate through the ferromagnetic material metal plate and the clamping plate to be fixedly connected with the connecting holes of the unit bottom plates.
Furthermore, as a preferred embodiment, the matrix plane is formed by detachably splicing a plurality of rectangular units, each rectangular unit comprises a shell, a ferromagnetic material metal plate, a clamping plate and a unit bottom plate, the upper surface of the shell is a projection plane, at least one shell through hole serving as a pixel groove is distributed at intervals, a magnetic adsorption module is magnetically adsorbed in the pixel groove, the shell through hole is provided with an inner wall extending towards the inner side of the shell, the depth of the inner wall is equal to the thickness of the magnetic adsorption module, the ferromagnetic material metal plate is sleeved on the outer side of the inner wall and tightly attached to the inner side of the shell, so that experimental equipment with magnets at the bottom is magnetically adsorbed on the matrix plane, the clamping plate and the unit bottom plate are sequentially arranged at the bottom opening of the inner wall from top to bottom, at least two sides of the clamping plate, corresponding to the bottom opening, are provided with embedded grooves for installing the magnet strips, the magnet strips are fixedly installed in the embedded grooves, and partially protrude out of the bottom opening, the unit bottom plate is provided with a supporting bump corresponding to the protruding part of the magnet strip, and the projection plane of the shell is a sub-optical zone dermatoglyph plane, so that a good display effect is ensured on the image projection; the inner side surface of the shell, which is contacted with the ferromagnetic material metal plate, is frosted, the inner side of the shell is provided with a plurality of positioning columns, and the positioning columns sequentially penetrate through the ferromagnetic material metal plate and the clamping plate to be fixedly connected with the connecting holes of the unit bottom plate; the experiment table corresponds the planar below of matrix and has inside and hold the chamber, and control host and experiment peripheral equipment place and hold the intracavity, and the line of experimental facilities passes through the magnetism and adsorbs the module and be connected with the peripheral equipment that holds the intracavity.
Further, as a preferred embodiment, the practical teaching information includes teaching practical training scenes and experimental equipment information.
Further, as a preferred embodiment, the infrared touch module includes infrared transmitting tubes and infrared receiving tubes arranged on four sides, and the infrared transmitting tubes and the infrared receiving tubes correspond to each other one by one to form an infrared matrix which is intersected in a horizontal direction and a vertical direction.
Furthermore, as a preferred embodiment, the experiment table is further embedded with an audio playing device, a training teaching audio is built in the control host, and a user plays a preset teaching audio when clicking the corresponding experiment device.
Further, as a preferred embodiment, the experiment table is of a table structure, and the matrix plane is located on the upper end face of the table experiment table; or the experiment table is of a vertical structure, and the matrix plane is arranged on the front surface of the vertical experiment table.
Furthermore, as a preferred embodiment, the experiment table is provided with switch doors on four sides corresponding to the matrix plane, and rollers are arranged at the bottom of the experiment table, so that the experiment table can be moved conveniently.
An immersive virtual-real interaction training method comprises the following steps:
and 7, generating a practical training result by the control host according to the practical training condition of the student, and uniformly summarizing the teaching practical training result to the terminal equipment where the teacher is located.
Further, as a preferred embodiment, when the infrared touch module detects that the user places the corresponding experimental equipment in the designated area in step 3, the control host projects the connection information of the currently configured device type of the experimental equipment onto the matrix plane around the experimental equipment.
Further, as a preferred embodiment, in step 5, the control host controls the execution device in the peripheral device to perform corresponding actions according to the simulated operation condition.
By adopting the technical scheme, the experimental equipment is placed on the installation environment (matrix plane), so that the experimental equipment and the multimedia image projected by the projector are positioned on the same plane. On one hand, when a student places experimental equipment, the control host displays parameters, wiring terminals, cautions and the like of the equipment nearby the experimental equipment in a video mode through the projector to guide the student to install, connect and debug the equipment, which is equivalent to the guidance of a teacher on site. On the other hand, after the plurality of experimental devices are installed, the control host starts a linkage working mode, meanwhile, images display the device state, the workflow data display and the like in real time in a dynamic background mode, and the running state data of the display device in the current scene (such as applications of smart homes, smart transportation, smart power grids and the like) is simulated.
The invention achieves the unification of experimental equipment and projection video; the image display plane is both the display area (equivalent to a screen) of the multimedia projection and the installation plane of the device. Meanwhile, the invention realizes the separation of the display plane and the equipment wiring, ensures the cleanness of the display plane and does not influence the effect of multimedia video display. In actual use, the invention can greatly stimulate the learning enthusiasm of students, improve the learning efficiency of students, save the teaching task of teachers and reduce the workload of teachers; meanwhile, due to the large-scale application of the video electronic practical training data, paper data are greatly reduced, and waste is reduced.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and the detailed description;
FIG. 1 is a schematic structural diagram of an experiment table of a practical training system;
FIG. 2 is a schematic diagram of a training system;
FIG. 3 is a schematic sectional view of the top of the experiment table;
FIG. 4 is a schematic view showing a usage state of a matrix unit with a magnetic adsorption module mounted thereon;
FIG. 5 is a schematic diagram of the front structure of a matrix unit;
FIG. 6 is a schematic diagram of a back structure of a matrix unit;
FIG. 7 is a schematic diagram of a back structure of a cell-free backplane of a matrix cell;
FIG. 8 is a schematic view of the back structure of a matrix cell without clamping plates and cell floors;
FIG. 9 is a schematic view of the back structure of the matrix unit with only the housing;
FIG. 10 is a schematic diagram of a square magnetic adsorption module;
FIG. 11 is a schematic view of a square magnetic adsorption module without a metal plate;
FIG. 12 is a schematic structural diagram of a magnetic adsorption module with a crescent notch;
FIG. 13 is a schematic structural view of the magnetic adsorption module with the crescent notch without a metal plate;
FIG. 14 is a flowchart illustrating an immersive practical training method for virtual-real interaction according to the present invention;
fig. 15 is a simulation diagram of a use state of the immersive virtual-real interaction training system according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
As shown in fig. 1 or fig. 2, the invention discloses an immersive virtual-real interaction practical training system, which includes an experiment table 20, experiment equipment 70, and a control host, wherein the experiment table 20 has a matrix plane 1 as a projection plane, a projector and a camera are arranged above the matrix plane 1, ferromagnetic materials are arranged in the matrix plane, the experiment equipment 70 is magnetically attached to the matrix plane, infrared touch modules are arranged on four sides of the matrix plane to form a touch plane covering the matrix plane, the control host is respectively connected with the infrared touch modules and the projector (not shown in the figure), practical training teaching information is arranged in the control host, and the infrared touch modules detect the size and position of the experiment equipment 70 on the matrix plane and user interaction action information; the control host identifies the device type of the current practical training scene based on the size of the experimental device 70, and the projector projects teaching information and interactive feedback information to the matrix plane under the control of the control host.
Specifically, the experiment table 20 is provided with an enclosure 21 corresponding to four sides of the matrix plane 1, and the infrared touch module 40 is arranged on the inner side of the enclosure 21. As shown in fig. 3, the X-axis and Y-axis of the light curtain of the infrared touch module 40 are covered on the peripheral edge of the matrix plane. As shown in FIG. 3, the laboratory table has ten operating stations corresponding to the matrix plane, and each station is provided with a drawer-type mesh plate structure 50 below the corresponding matrix plane. As shown in FIG. 3, the top view of the frame of the drawer-type mesh plate structure 50, the hollowed-out portion of the drawer-type mesh plate structure 50 is used for the student to perform the wiring and routing operation, so that the cable can pass through the device to the other side.
Further, as a preferred embodiment, the infrared touch module 40 includes infrared transmitting tubes and infrared receiving tubes arranged on four sides, and the infrared transmitting tubes and the infrared receiving tubes are in one-to-one correspondence to form an infrared matrix which is intersected horizontally and vertically.
Further, as a preferred embodiment, the experiment table 20 is provided with opening and closing doors 22 on four side walls below the matrix plane 1.
Further, as a preferred embodiment, the bottom of the experiment table 20 is provided with rollers 23, which facilitates the movement of the experiment table 20.
Further, as a preferred embodiment, the experiment table 20 is a table structure, and the matrix plane 1 is located on the upper end surface of the table experiment table 20; or the experiment table 20 is in a vertical structure, and the matrix plane 1 is arranged on the front surface of the vertical experiment table.
Further, as a preferred embodiment, as shown in one of fig. 4 to 9, the matrix plane 1 is formed by detachably splicing a plurality of rectangular units 10, each rectangular unit 10 includes a housing 2, a ferromagnetic metal plate 3, a clamping plate 4 and a unit bottom plate 5, the upper surface of the housing 2 is a projection plane and is distributed with at least one housing through hole 6 as a pixel slot at intervals, a magnetic adsorption module 7 is adsorbed in the pixel slot, the housing through hole 6 has an inner wall 21 extending towards the inner side of the housing 2, the depth of the inner wall 21 is equal to the thickness of the magnetic adsorption module 7, the ferromagnetic metal plate 3 is sleeved on the outer side of the inner wall 21 and is tightly attached to the inner side of the housing 2, so that experimental equipment 7030 with a magnet at the bottom is magnetically adsorbed on the matrix plane, the clamping plate 4 and the unit bottom plate 5 are sequentially arranged at the bottom opening of the inner wall 21 from top to bottom, at least two sides of the clamping plate 4 corresponding to the bottom opening are provided with clamping grooves 41 for installing the magnet strips, the magnet bar 8 is fixedly fitted into the fitting groove 41 and partially protrudes from the bottom opening, and the unit base 5 has a support projection 51 corresponding to the protruding portion of the magnet bar 8.
Further, as a preferred embodiment, a plurality of positioning posts 18 are disposed on the inner side of the housing 2, and the positioning posts 18 sequentially penetrate through the ferromagnetic metal plate 3 and the clamping plate 4 to be fixedly connected with the connecting holes 19 of the unit bottom plate 5.
Further, as a preferred embodiment, the projection plane of the housing 2 is a sub-optical belt corrugated plane, which ensures a good display effect on the image projection.
Further, as a preferred embodiment, the inner side surface of the case 2 in contact with the metal plate 3 of ferromagnetic material is frosted.
Further, as shown in one of fig. 10 to 11, as a preferred embodiment, the magnetic adsorption module 7 includes a metal plate 9 and a plastic shell 11 covering the metal plate 9, an outer upper surface of the plastic shell 11 is a projection plane, a ferromagnetic material plate 12 for conveniently adsorbing a magnet is disposed adjacent to an inner surface of the plastic shell 11, a rivet column 13 is disposed on a bottom surface of the ferromagnetic material plate 12, and the ferromagnetic material plate 12 is fixedly connected to a mounting hole 14 disposed on the metal plate 9 through the rivet column 13. Limiting stoppers 111 are arranged on two opposite sides of the inner wall of the plastic shell 11, and the ferromagnetic material plate 12 is limited and fixed in the plastic shell 11 by the limiting stoppers 111.
Further, as a preferred embodiment, the ferromagnetic material is a galvanized sheet.
Further, as a preferred embodiment, at least two sides of the metal plate 9 have limiting protrusions 15, four sides of the bottom surface of the plastic housing 11 are provided with grooves 16 corresponding to the limiting protrusions 15, and the magnetic adsorption module 7 is magnetically adsorbed and connected with the magnet strips 8 in the pixel grooves of the matrix plane 1 through the limiting protrusions 15.
Further, as shown in fig. 10 or fig. 11, as a preferred embodiment, the magnetic adsorption module 7 is square as a whole, the metal plate 9, the ferromagnetic material plate 12 and the plastic housing 11 are square as a whole, the metal plate 9 has limiting protrusions 15 on four sides, and the metal plate 9 is square as a whole.
Further, as shown in fig. 12 or fig. 13, as a preferred embodiment, the magnetic adsorption module 7 integrally has a crescent notch 17, the metal plate 9, the ferromagnetic material plate 12 and the plastic housing 11 are recessed inward on the same side edge to form the crescent notch 17, the crescent notch 17 is disposed to facilitate the connection of the cable and the crescent notch 17 to the inside of the matrix plane 1, and three sides of the metal plate 9 except the crescent notch 17 are provided with the limiting protrusions 15.
As shown in fig. 14, an immersive practical training method for virtual-real interaction includes the following steps:
specifically, when the student places the relevant experimental equipment in the corresponding area of the matrix plane, the infrared touch module detects that the relevant area is occupied and blocked by the experimental equipment, and the control host projects the relevant type information of the required experimental equipment in the corresponding area and the currently corresponding connection diagram to the vicinity of the area, so that the student performs connection operation of the relevant peripheral equipment according to the connection diagram. Once the experimental equipment in the designated area is moved away, namely the detection of the infrared touch module is not blocked, the relevant information of the equipment corresponding to the area is not projected and displayed.
When the error information is inconsistent with the preset information, the control host gives error information and prompt information, projects the error information and the prompt information to the matrix plane and executes the step 6;
and 7, generating a practical training result by the control host according to the practical training condition of the student, and uniformly summarizing the teaching practical training result to the terminal equipment where the teacher is located.
Further, as a preferred embodiment, when the infrared touch module detects that the user places the corresponding experimental device 70 in the designated area in step 3, the control host projects the connection information of the currently configured device type of the experimental device 70 onto the matrix plane around the experimental device 70.
Further, as a preferred embodiment, in step 5, the control host controls the execution device in the peripheral device to perform corresponding actions according to the simulated operation condition.
By adopting the technical scheme, as shown in fig. 15, the experimental device 70 is placed on the installation environment (matrix plane), so that the experimental device 70 and the multimedia image projected by the projector are positioned on the same plane. On one hand, when the student places the experimental device 70, the control host displays parameters, wiring terminals, cautions and the like of the device near the experimental device 70 in a video mode through the projector, and guides the student to install, connect and debug the device, which is equivalent to the guidance of a teacher on the spot. On the other hand, after the plurality of experimental devices 70 are installed, the control host starts the linkage work mode, and simultaneously, the images display the device state, the workflow data display and the like in real time in a dynamic background manner, so as to simulate and display the running state data of the devices in the current scene (such as applications of smart homes, smart transportation, smart power grids and the like).
When equipment is placed in the operating table, the infrared touch module of the experiment table can automatically scan the information such as the position and the size of the equipment, the information is sent to a control host (a remote cloud server or a local computer) through a USB communication network, the attribute of the placed equipment is identified through data processing and analysis, and relevant information is output to the projector. The projector projects video data onto the operation table to guide students to correspondingly operate the equipment. After the plurality of experimental devices 70 are installed, the control host starts the linkage working mode, and simultaneously, the images simulate and display the running state data of the devices in the current scene (such as applications of smart homes, smart transportation, smart power grids and the like) in a dynamic background mode. By projecting real-time display equipment state, workflow data display and the like, because information such as data is real and peripheral execution equipment is real, the combined virtual and real combined scene simulation makes the training content richer and can improve the cognitive interest of students.
The virtual-real combined interactive practical training platform system can simultaneously meet the requirement that a plurality of people operate simultaneously, and equipment identification can realize the identification of 32 pieces of equipment simultaneously. The combination of the entity equipment, the virtual teaching plan and the scene can enable students to achieve an immersive experience process in the operation process, so that the interest of the students is improved, the experiment (training) efficiency is improved, and the teaching effect is greatly improved.
It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
Claims (9)
1. The utility model provides an interactive real standard system of immersive virtual reality which characterized in that: the experimental table is provided with a matrix plane serving as a projection plane, a projector and a camera are arranged above the matrix plane, ferromagnetic materials are arranged in the matrix plane, experimental equipment with different sizes are magnetically adsorbed to the matrix plane respectively, infrared touch modules are arranged on four sides of the matrix plane to form a touch plane covering the matrix plane, an internal accommodating cavity is formed below the experimental table corresponding to the matrix plane, the control host and experimental peripheral equipment are placed in the accommodating cavity, and connecting lines of the experimental equipment are connected with the peripheral equipment in the accommodating cavity; the control host is respectively connected with the infrared touch module and the projector, training teaching information is arranged in the control host, and the infrared touch module detects the size and the position of experimental equipment on a matrix plane and user interaction information; the control host identifies the equipment type in the current practical training scene based on the size of the experimental equipment, and the projector projects teaching information and interactive feedback information to the matrix plane under the control of the control host; the matrix plane is formed by detachably splicing a plurality of rectangular units, each rectangular unit comprises a shell, a ferromagnetic material metal plate, a clamping plate and a unit bottom plate, the upper surface of the shell is a projection plane, at least one shell through hole serving as a pixel groove is distributed at intervals, a magnetic adsorption module is adsorbed in each pixel groove, each shell through hole is provided with an inner wall extending towards the inner side of the shell, the depth of each inner wall is equal to the thickness of the magnetic adsorption module, the ferromagnetic material metal plate is sleeved on the outer side of the inner wall and is tightly attached to the inner side of the shell, experimental equipment with magnets at the bottom is convenient to magnetically adsorb on the matrix plane, the clamping plate and the unit bottom plate are sequentially arranged at the bottom opening of the inner wall from top to bottom, at least two sides of the clamping plate corresponding to the bottom opening are provided with embedded grooves for installing the magnet strips, the magnet strips are fixedly arranged in the embedded grooves and partially protrude out of the bottom opening, and the unit bottom plate is provided with supporting lugs corresponding to the protruding parts of the magnet strips, the projection plane of the shell is a sub-smooth belt dermatoglyph plane, so that a good display effect is ensured on the image projection; the inner side surface of the shell, which is contacted with the ferromagnetic material metal plate, is frosted, a plurality of positioning columns are arranged on the inner side of the shell, and the positioning columns sequentially penetrate through the ferromagnetic material metal plate and the clamping plate to be fixedly connected with the connecting holes of the unit bottom plates.
2. The practical training system for immersive virtual-real interaction of claim 1, wherein: the magnetic adsorption module comprises a metal plate and a plastic shell sleeved on the metal plate, the outer upper surface of the plastic shell is a projection plane, the inner surface close to the plastic shell is provided with a ferromagnetic material plate convenient for adsorbing magnets, the bottom surface of the ferromagnetic material plate is provided with a riveting column, the ferromagnetic material plate is fixedly connected with a mounting hole formed in the metal plate through the riveting column, at least two sides of the metal plate are provided with limiting bulges, four sides of the bottom surface of the plastic shell correspond to the limiting bulges and are provided with grooves, and the magnetic adsorption module is connected with the magnetic adsorption of the matrix plane through the limiting bulges.
3. The practical training system for immersive virtual-real interaction of claim 1, wherein: the magnetic adsorption module is integrally square, the metal plate, the ferromagnetic material plate and the plastic shell are integrally square, limiting bulges are arranged on four sides of the metal plate, and the metal plate is integrally in a shape of Chinese character 'mi'; or the magnetism adsorbs the module wholly has the crescent breach, and metal sheet, ferromagnetic material board and plastic casing indent formation crescent breach with one side edge, and inside the crescent breach setting was convenient for connect the cable and the access matrix plane of crescent breach, other three sides edges of removing the crescent breach of metal sheet had spacing arch.
4. The practical training system of immersive virtual-real interaction of claim 1, wherein: the infrared touch control module comprises infrared transmitting tubes and infrared receiving tubes which are arranged on four sides, and the infrared transmitting tubes and the infrared receiving tubes are in one-to-one correspondence to form infrared matrixes which are crossed transversely and vertically.
5. The practical training system for immersive virtual-real interaction of claim 1, wherein: the experiment table still embeds audio playback equipment, and the built-in teaching audio of instructing of control host computer plays preset teaching audio when the user clicks corresponding experimental facilities.
6. The practical training system for immersive virtual-real interaction of claim 1, wherein: the experiment table is of a table structure, and the matrix plane is positioned on the upper end face of the table experiment table; or the experiment table is of a vertical structure, and the matrix plane is arranged on the front side of the vertical experiment table; the experiment table is provided with switch doors corresponding to four sides of the matrix plane, and rollers are arranged at the bottom of the experiment table, so that the experiment table can be moved conveniently.
7. An immersive virtual-real interaction training method, which adopts the immersive virtual-real interaction training system of any one of claims 1 to 6, and is characterized in that: the method comprises the following steps:
step 1, a teacher selects a corresponding teaching training scene through a control host and configures the current device type of each experimental device;
step 2, the control host projects the corresponding teaching training scene to the matrix plane, and simultaneously projects and displays the device type of each current experimental device,
step 3, students carry out corresponding training exercises according to the current teaching training scene, place corresponding experimental equipment to a specified area of the matrix plane corresponding to the current training scene, and complete the connection of the experimental equipment;
step 4, the infrared touch module detects the size and the position of each experimental device on the matrix plane, and the control host identifies the device type of the experimental device in the current practical training scene based on the size of the experimental device so as to generate connection information;
step 5, the control host compares whether the connection information is consistent with preset information of the current teaching training scene; when the operation information is consistent with the preset information, the control host projects the simulation operation picture to the matrix plane so that students can visually know the operation process and execute the step 7; when the error information is inconsistent with the preset information, the control host gives error information and prompt information, projects the error information and the prompt information to the matrix plane and executes the step 6;
step 6, the students replace and connect the experimental equipment according to the prompt information, and step 4 is executed;
and 7, generating a practical training result by the control host according to the practical training condition of the student, and uniformly summarizing the teaching practical training result to the terminal equipment where the teacher is located.
8. The practical training method of immersive virtual-real interaction of claim 7, wherein: and 3, when the infrared touch module detects that the user places the corresponding experimental equipment in the designated area, the control host projects the connection information of the type of the currently configured device of the experimental equipment onto a matrix plane around the experimental equipment.
9. The practical training method of immersive virtual-real interaction of claim 7, wherein: and 5, controlling the execution equipment in the peripheral equipment to perform corresponding actions by the control host according to the simulated operation condition.
Priority Applications (1)
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