CN111524397A

CN111524397A - Mathematical modeling auxiliary teaching 3D simulation demonstration tool

Info

Publication number: CN111524397A
Application number: CN202010408052.8A
Authority: CN
Inventors: 孟艳双
Original assignee: Shandong Jiaotong University
Current assignee: Shandong Jiaotong University
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-08-11
Anticipated expiration: 2040-05-14
Also published as: CN111524397B

Abstract

The invention discloses a 3D simulation demonstration tool for mathematical modeling assisted teaching, which comprises a display table board, a display screen, a transparent acrylic plate and a hydraulic rod, wherein a through hole is formed in the center of the top of the display table board, the display screen is embedded in the top of the display table board on the side of the through hole, a baffle is connected to the upper shaft of a connecting seat, the transparent acrylic plate is positioned above the display table board, a rubber strip is sleeved on the outer edge of the transparent acrylic plate, a positioning seat is fixedly connected to the inner wall of the through hole, the positioning seat is connected with the positioning plate, the bottom of the positioning plate is arranged with the through hole in a penetrating mode, and a positioning sleeve is fixedly connected to the edge of the bottom of the display table board. This supplementary teaching 3D simulation demonstration instrument of mathematical modeling, the use of the instrument of being convenient for is folded and is expanded the location, makes things convenient for the position to remove to change and the location is deposited, can be 3D holographic projection demonstration with the plane model when using, improves the comprehensiveness that demonstrates and watch.

Description

Mathematical modeling auxiliary teaching 3D simulation demonstration tool

Technical Field

The invention relates to the technical field of mathematical modeling, in particular to a 3D simulation demonstration tool for mathematical modeling auxiliary teaching.

Background

The mathematical modeling is a method for establishing a mathematical model according to an actual problem, solving the mathematical model and solving the actual problem according to an obtained model data result, the essential attributes of the actual problem can be abstracted and simply depicted by using the mathematical modeling to explain certain objective phenomena, an auxiliary completion strategy with a certain meaning is provided for the development of a certain phenomenon, in the auxiliary teaching process of the mathematical modeling, in order to improve the intuitiveness and the effectiveness of teaching, the preset mathematical model needs to be demonstrated and displayed, and the teaching efficiency and the receiving effectiveness of teaching data information of a learner are improved.

However, the existing mathematical modeling aided teaching simulation demonstration tool has the following problems when in use:

1. when auxiliary teaching is carried out, the display information of the model data is one-sided, so that the plane information cannot be displayed more quickly in a 3D visual angle, and the defects of incomplete watching and demonstration and use exist;

2. the whole size volume of presentation instrument is invariable, and the quick folding of the instrument body of being not convenient for is accomodate, occupies bulky space, has the removal transport and deposit difficult to in the demonstration process, the easy unstability and the damage that collision and vibration lead to appear influences its normal use.

Aiming at the problems, innovative design is urgently needed on the basis of the original mathematical modeling auxiliary teaching simulation demonstration tool.

Disclosure of Invention

The invention aims to provide a 3D simulation demonstration tool for mathematical modeling aided teaching, which solves the problems that when the prior mathematical modeling aided teaching simulation demonstration tool is used for aided teaching, the displayed information of model data is one-sided, plane information cannot be displayed in a 3D visual angle more quickly, the viewing and demonstration are incomplete, the use is defective, the whole size and the volume are constant, the tool body is inconvenient to fold and store quickly, large-size space is occupied, the moving, carrying and storing are difficult, and the normal use is affected due to instability and damage caused by collision and vibration during the demonstration process.

In order to achieve the purpose, the invention provides the following technical scheme: A3D simulation demonstration tool for mathematical modeling assisted teaching comprises a display table board, a display screen, a transparent acrylic plate and a hydraulic rod, wherein a through hole is formed in the center of the top of the display table board, the display screen is embedded in the top of the display table board on the side of the through hole, connecting seats are fixedly installed at the edges of the left side and the right side of the top of the display table board, a baffle is connected to the connecting seats in a rotating mode, protective pads are pasted on the outer wall of the baffle, positioning magnetic blocks are fixed at the edge of the back of the baffle, positioning hooks are connected to the edge of the end portion of the baffle, the transparent acrylic plate is located above the display table board, rubber strips are sleeved at the outer edge of the transparent acrylic plate, a positioning plate is fixedly connected to the transparent acrylic plate, a positioning seat is fixedly connected to the inner wall of the through hole, and, and run through the setting between the bottom of locating plate and the perforating hole, the bottom edge fixedly connected with position sleeve of show mesa, and the middle part of position sleeve runs through and installs the hydraulic stem to rotate between the output shaft of hydraulic stem and the locating plate and be connected with the connecting rod, the bottom vertical fixation of position sleeve has the location supporting seat, and the middle part of location supporting seat runs through and installs the pilot pin.

Preferably, the display screen and the transparent acrylic plate are uniformly distributed on the display table board at equal angles and 4, the display screen and the transparent acrylic plate correspond to each other one by one, and the display screen and the transparent acrylic plate are coaxially distributed in the vertical direction.

Preferably, the connecting seat and the baffle constitute the revolution mechanic that the pivot is connected, and the edge of connecting seat and show mesa is the fixed connection of slope to the perpendicular interval between the junction of connecting seat and baffle and the show mesa is greater than the thickness of transparent acrylic plate.

Preferably, the baffle is the sectional type and distributes, and passes through hinge interconnect between the tip edge of baffle to magnetic adsorption connects between the location magnetic path on the baffle, and baffle and location hook pass through elastic cord interconnect moreover.

Preferably, transparent ya keli board all sets up to isosceles trapezoid shape structure with the display screen, and 4 display screens and 4 transparent ya keli boards constitute a complete "return" style of calligraphy face structure and hollow quadrangular frustum pyramid column structure respectively to transparent ya keli board and show mesa constitute relative revolution mechanic.

Preferably, the hydraulic rods, the connecting rods and the positioning plate are distributed in a one-to-one correspondence manner, the connecting rods, the hydraulic rods and the positioning plate form hinged rotating structures, a 120-degree included angle is reserved between the positioning plate and the transparent acrylic plate, and the transparent acrylic plate is fixedly connected with the positioning plate.

Preferably, the location supporting seat comprises urceolus, interior pole, spacing hole and rubber stabilizer blade four bibliographic categories branch, and the inside movable mounting of urceolus has interior pole, has seted up spacing hole on the interior pole, and the bottom cover of urceolus is equipped with the rubber stabilizer blade to spacing hole and urceolus are all run through the setting with the pilot pin, and urceolus and interior pole constitute the relative extending structure of laminating moreover.

Preferably, the elastic air bags are installed inside the outer barrel and the rubber support legs in a penetrating mode, the tops of the elastic air bags are fixedly connected with the lower end of the inner rod, the side face of the limiting hole in the inner rod is higher than the diameter of the positioning bolt, and the positioning bolt is in threaded connection with the outer barrel.

Compared with the prior art, the invention has the beneficial effects that: this supplementary teaching 3D simulation demonstration instrument of mathematical modeling, the use of the instrument of being convenient for is folded and is expanded the location, makes things convenient for the position to remove to change and the location is deposited, can be 3D holographic projection demonstration with the plane model when using, improves the comprehensiveness that demonstrates and watch:

1. the transparent acrylic plate and the positioning plate can move, turn over, unfold and position under the pushing action of the connecting rod only by using the hydraulic rod, so that the transparent acrylic plate is positioned in a non-use state, and the sectional baffle plate can unfold and position to position and cover the top mounting structure of the display table board, so that the integral folding and protection of a demonstration tool are facilitated;

2. the transparent acrylic plate of rotation installation and the display screen one-to-one under the quiescent condition, both used jointly, constitute interior empty quadrangular frustum pyramid column structure and face structure respectively, influence each other can be the demonstration of 3D holographic projection's form with the model information of show on the display screen on transparent acrylic plate to the convenience is taught going on of demonstration work, improves the efficiency of teaching.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic diagram of a display screen distribution structure according to the present invention;

FIG. 4 is a schematic view of a baffle mounting structure of the present invention;

FIG. 5 is a schematic view of a positioning support seat according to the present invention.

In the figure: 1. displaying the table top; 2. a through hole; 3. a display screen; 4. a connecting seat; 5. a baffle plate; 6. a protective pad; 7. a positioning magnetic block; 8. a positioning hook; 9. a transparent acrylic sheet; 10. a rubber strip; 11. positioning a plate; 12. positioning seats; 13. a positioning sleeve; 14. a hydraulic lever; 15. a connecting rod; 16. positioning a supporting seat; 1601. an outer cylinder; 1602. an inner rod; 1603. a limiting hole; 1604. a rubber foot; 17. positioning bolts; 18. an elastic air bag.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: A3D simulation demonstration tool for mathematical modeling assisted teaching comprises a display table board 1, a through hole 2, a display screen 3, a connecting seat 4, a baffle plate 5, a protective pad 6, a positioning magnetic block 7, a positioning hook 8, a transparent acrylic plate 9, a rubber strip 10, a positioning plate 11, a positioning seat 12, a positioning sleeve 13, a hydraulic rod 14, a connecting rod 15, a positioning supporting seat 16, an outer cylinder 1601, an inner rod 1602, a limiting hole 1603, a rubber supporting leg 1604, a positioning bolt 17 and an elastic air bag 18, wherein the through hole 2 is formed in the center of the top of the display table board 1, the display screen 3 is installed on the top of the display table board 1 at the side of the through hole 2 in an embedded mode, the connecting seat 4 is fixedly installed at the left side edge and the right side edge of the top of the display table board 1, the baffle plate 5 is connected to the connecting seat 4 through a rotating shaft, the, and the tip edge of baffle 5 is connected with location hook 8, transparent ya keli board 9 is located show mesa 1's top, and the outward flange department cover of transparent ya keli board 9 is equipped with rubber strip 10, and fixedly connected with locating plate 11 on the transparent ya keli board 9, fixedly connected with positioning seat 12 on the inner wall of perforating hole 2, and interconnect between positioning seat 12 and the locating plate 11, and run through the setting between the bottom of locating plate 11 and the perforating hole 2, show mesa 1's bottom edge fixedly connected with position sleeve 13, and the middle part of position sleeve 13 runs through and installs hydraulic stem 14, and rotate between the output shaft of hydraulic stem 14 and the locating plate 11 and be connected with connecting rod 15, the bottom vertical fixation of position sleeve 13 has location supporting seat 16, and the middle part of location supporting seat 16 runs through and installs gim peg 17.

Display screen 3 and transparent ya keli board 9 all have 4 on show mesa 1 equidistance evenly distributed, and display screen 3 and transparent ya keli board 9 one-to-one, and both are coaxial distribution in vertical direction, transparent ya keli board 9 all sets up to isosceles trapezoid shape structure with

display screen

3, and 4

display screen

3 and 4 transparent ya keli board 9 constitute a complete "return" style of calligraphy face structure and hollow four prismatic table column structure respectively, and transparent ya keli board 9 and show mesa 1 constitute relative revolution mechanic, be convenient for transparent ya keli board 9's rotation and installation location, constitute structure and display screen 3's setting through transparent ya keli board 9, make the demonstration plane information of display screen 3 can be the show of 3D holographic projection between transparent ya keli board 9.

Connecting seat 4 constitutes the revolution mechanic that the pivot is connected with baffle 5, and the edge of connecting seat 4 and show mesa 1 is the fixed connection of slope, and the perpendicular interval between on connecting seat 4 and baffle 5 and the show mesa 1 is greater than the thickness of transparent ya keli board 9, baffle 5 is the sectional type and distributes, and through hinge interconnect between the tip edge of baffle 5, and magnetic adsorption connects between the location magnetic path 7 on the baffle 5, and baffle 5 and location hook 8 pass through elastic cord interconnect, the use of baffle 5 of being convenient for is expanded and is fixed a position, the effect through baffle 5 carries out the protection that covers of display screen 3 and transparent ya keli board 9, accomplish the folding of this demonstration instrument.

Be the one-to-one distribution between hydraulic stem 14 and connecting rod 15 and the locating plate 11, and connecting rod 15 all constitutes articulated rotating-structure with hydraulic stem 14 and locating plate 11, and it has 120 contained angles to reserve between locating plate 11 and the transparent inferior gram force board 9, and transparent inferior gram force board 9 and locating plate 11 fixed connection, be convenient for through hydraulic stem 14 work is flexible, carry out the promotion of locating plate 11, thereby make locating plate 11 and transparent inferior gram force board 9 overturn in step, accomplish the position shift regulation change of transparent inferior gram force board 9.

The positioning support base 16 is composed of an outer barrel 1601, an inner rod 1602, a limit hole 1603 and a rubber foot 1604, an inner rod 1602 is movably arranged inside the outer barrel 1601, a limiting hole 1603 is formed in the inner rod 1602, a rubber foot 1604 is sleeved at the bottom of the outer barrel 1601, the limiting hole 1603 and the outer cylinder 1601 are both arranged in a penetrating way and the positioning bolt 17, the outer cylinder 1601 and the inner rod 1602 form a jointed relative telescopic structure, the elastic air bag 18 is arranged in the outer cylinder 1601 and the rubber leg 1604 in a penetrating way, the top of the elastic air bag 18 is fixedly connected with the lower end of the inner rod 1602, and the height of the side surface of the limiting hole 1603 on the inner rod 1602 is greater than the diameter of the positioning bolt 17, and the positioning bolt 17 is in threaded connection with the outer barrel 1601 and is arranged through the composition structure of the positioning support base 16, so that the positioning support base 16 can adjust the positioning height of the tool in use and has good shock absorption and protection effects in use.

The working principle is as follows: when the mathematical modeling aided teaching 3D simulation demonstration tool is used, firstly, as shown in figures 1-3, when the tool is folded or unfolded for use, through the telescopic motion of the hydraulic rod 14, as shown in figure 1, the telescopic motion of the hydraulic rod 14 pushes the connecting rod 15, so that the two ends of the connecting rod 15 and the hydraulic rod 14 and the positioning plate 11 have relative overturning motion, the rotating motion state of the rotating shaft connection between the positioning plate 11 and the positioning seat 12 is adjusted and changed, the orientation of the positioning plate 11 and the transparent acrylic plate 9 is changed, the transparent acrylic plate 9 is folded and laid on the top of the display table board 1, as shown in figures 2-3, and the edges of the transparent acrylic plate 9 are connected when being unfolded, a completed hollow quadrangular frustum-shaped structure is formed, and when mathematical modeling model information is synchronously displayed on 4 display screens 3 under the composition action of the transparent acrylic plate 9 and the display screens 3, the transparent acrylic plate 9 can display model information in a 3D holographic projection mode, so that teaching viewing and demonstration are facilitated, comprehensiveness of the display and readiness for viewing in different directions are improved, as shown in figures 1 and 4, after the transparent acrylic plate 9 is laid on the display table board 1, the rotating shaft between the connecting seat 4 and the baffle 5 is connected, the position of the baffle 5 is conveniently adjusted, the baffle 5 is unfolded to be mutually positioned through the positioning hooks 8, and the effect of the baffle 5 on isolation protection of the display screen 3 and the transparent acrylic plate 9 is achieved;

according to fig. 1 and 5, when the height of the display table top 1 needs to be adjusted and changed, the outer barrel 1601 and the inner rod 1602 stretch out and draw back relatively, the threaded connection function of the positioning bolt 17 and the penetrating function of the positioning bolt 17 and the limiting hole 1603 facilitate the adjustment and change of the use height of the positioning support base 16, and when the positioning support base 16 is used, the height of the limiting hole 1603 and the use of the elastic airbag 18 are set, so that when the top of the positioning support base 16 is impacted and vibrated, the outer barrel 1601 and the inner rod 1602 after positioning can slightly stretch out and draw back relatively and achieve the shock absorption and protection effect through the elastic airbag 18.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a supplementary teaching 3D simulation presentation instrument of mathematical modeling, includes show mesa (1), display screen (3), transparent inferior gram force board (9) and hydraulic stem (14), its characterized in that: the display table is characterized in that a through hole (2) is formed in the center of the top of the display table board (1), a display screen (3) is installed at the top of the display table board (1) on the side of the through hole (2) in an embedded mode, connecting seats (4) are fixedly installed on the edges of the left side and the right side of the top of the display table board (1), the connecting seats (4) are connected with baffle plates (5) in an upper rotating mode, protective pads (6) are pasted on the outer walls of the baffle plates (5), positioning magnetic blocks (7) are fixed on the edges of the back of the baffle plates (5), positioning hooks (8) are connected to the edges of the end portions of the baffle plates (5), the transparent acrylic plate (9) is located above the display table board (1), rubber strips (10) are sleeved on the outer edges of the transparent acrylic plate (9), positioning plates (11) are fixedly connected to the transparent acrylic plate (9), and, and interconnect between positioning seat (12) and locating plate (11) to run through the setting between the bottom of locating plate (11) and perforating hole (2), fixedly connected with position sleeve (13) are located to the bottom edge of show mesa (1), and the middle part of position sleeve (13) runs through and installs hydraulic stem (14), and rotate between the output shaft of hydraulic stem (14) and locating plate (11) and be connected with connecting rod (15), the bottom vertical fixation of position sleeve (13) has location supporting seat (16), and the middle part of location supporting seat (16) runs through and installs gim peg (17).

2. The mathematical modeling assisted instruction 3D simulation demonstration tool of claim 1 wherein: the display screen (3) and the transparent acrylic plate (9) are uniformly distributed on the display table board (1) at equal angles and are 4, the display screen (3) and the transparent acrylic plate (9) correspond to each other one by one, and the display screen (3) and the transparent acrylic plate (9) are coaxially distributed in the vertical direction.

3. The mathematical modeling assisted instruction 3D simulation demonstration tool of claim 1 wherein: the connecting seat (4) and the baffle (5) form a rotating structure connected with a rotating shaft, the edge of the connecting seat (4) and the edge of the display table board (1) are fixedly connected in an inclined mode, and the vertical distance between the connecting position of the connecting seat (4) and the baffle (5) and the display table board (1) is larger than the thickness of the transparent acrylic plate (9).

4. The mathematical modeling assisted instruction 3D simulation demonstration tool of claim 1 wherein: baffle (5) are the sectional type and distribute, and pass through hinge interconnect between the tip edge of baffle (5) to magnetic adsorption connects between the location magnetic path (7) on baffle (5), and baffle (5) pass through elastic cord interconnect with location hook (8) moreover.

5. The mathematical modeling assisted instruction 3D simulation demonstration tool of claim 1 wherein: transparent inferior gram force board (9) all set up to isosceles trapezoid shape structure with display screen (3), and 4 display screens (3) and 4 transparent inferior gram force boards (9) constitute a complete "return" style of calligraphy face structure and hollow quadrangular frustum pyramid column structure respectively to transparent inferior gram force board (9) and show mesa (1) constitute relative revolution mechanic.

6. The mathematical modeling assisted instruction 3D simulation demonstration tool of claim 1 wherein: the hydraulic rods (14), the connecting rods (15) and the positioning plate (11) are distributed in a one-to-one correspondence mode, the connecting rods (15), the hydraulic rods (14) and the positioning plate (11) form a hinged rotating structure, a 120-degree included angle is reserved between the positioning plate (11) and the transparent acrylic plate (9), and the transparent acrylic plate (9) is fixedly connected with the positioning plate (11).

7. The mathematical modeling assisted instruction 3D simulation demonstration tool of claim 1 wherein: location supporting seat (16) are divided into by urceolus (1601), interior pole (1602), spacing hole (1603) and rubber stabilizer blade (1604) four bibliographic categories, and the inside movable mounting of urceolus (1601) have interior pole (1602), seted up spacing hole (1603) on interior pole (1602), the bottom cover of urceolus (1601) is equipped with rubber stabilizer blade (1604) to spacing hole (1603) and urceolus (1601) all run through the setting with pilot pin (17), and urceolus (1601) and interior pole (1602) constitute the relative extending structure of laminating moreover.

8. The mathematical modeling assisted instruction 3D simulation presentation tool of claim 7, wherein: the utility model discloses a safety protection device, including urceolus (1601) and rubber support leg (1604), the inside of urceolus (1601) and rubber support leg (1604) is run through and is installed elasticity gasbag (18), and the top of elasticity gasbag (18) and the lower extreme fixed connection of interior pole (1602), and the spacing hole (1603) side height on interior pole (1602) is greater than the diameter of pilot pin (17), and pilot pin (17) are threaded connection with urceolus (1601) moreover.