CN114224070A - Display device that mathematical modeling teaching was used - Google Patents

Display device that mathematical modeling teaching was used Download PDF

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Publication number
CN114224070A
CN114224070A CN202210122813.2A CN202210122813A CN114224070A CN 114224070 A CN114224070 A CN 114224070A CN 202210122813 A CN202210122813 A CN 202210122813A CN 114224070 A CN114224070 A CN 114224070A
Authority
CN
China
Prior art keywords
platform
display
cabinet
display device
platform cabinet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202210122813.2A
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Chinese (zh)
Inventor
王晓华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Guangxia Construction Vocational and Technical University
Original Assignee
Zhejiang Guangxia Construction Vocational and Technical University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Guangxia Construction Vocational and Technical University filed Critical Zhejiang Guangxia Construction Vocational and Technical University
Priority to CN202210122813.2A priority Critical patent/CN114224070A/en
Publication of CN114224070A publication Critical patent/CN114224070A/en
Withdrawn legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B19/00—Reading-desks; Lecterns; Pulpits, i.e. free-standing
    • A47B19/10—Reading-desks; Lecterns; Pulpits, i.e. free-standing characterised by association with auxiliary devices, e.g. paper clamps, line indicators
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B19/00—Reading-desks; Lecterns; Pulpits, i.e. free-standing
    • A47B19/06—Reading-desks; Lecterns; Pulpits, i.e. free-standing with adjustable top leaf
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip

Abstract

The invention discloses a display device for mathematical modeling teaching, which belongs to the field of mathematical modeling and comprises a platform cabinet, wherein two movable platforms are symmetrically arranged on the upper side of the platform cabinet, the movable platforms are connected with the platform cabinet in a sliding manner, a display is arranged on the front side of the platform cabinet, a lifting platform is arranged in the platform cabinet, the lifting platform is connected with the display through a connecting rod, a vertical screw rod is rotatably arranged in the platform cabinet, a transverse screw rod is arranged on the upper side of the platform cabinet, and the vertical screw rod is driven by a second motor. The invention adopts the mode that the display device and the platform cabinet are mutually combined for use, can avoid the occupation of classroom space when the display device is idle, can be conveniently taken out from the interior of the platform cabinet for display when in use, has more reasonable design, and simultaneously adopts the mode that the camera is matched with the display to carry out omnibearing and multi-angle display on the mathematical model, thereby improving the display effect.

Description

Display device that mathematical modeling teaching was used
Technical Field
The invention relates to the technical field of mathematical modeling, in particular to a display device for mathematical modeling teaching.
Background
The mathematical modeling is to establish a mathematical model according to an actual problem, solve the mathematical model, and then solve the actual problem according to a result. When a practical problem needs to be analyzed and researched from a quantitative point of view, people need to use mathematical symbols and languages for expression to establish a mathematical model on the basis of the work of deep investigation and research, object information understanding, simplified assumption making, internal rule analysis and the like.
Through retrieval, chinese patent No. CN 212782397U discloses a teaching display device applying mathematical modeling, which comprises a base, the bottom of the base is provided with a groove, and two sets of connecting rods pinned together are symmetrically arranged on both sides of the inside of the groove, the bottom of the connecting rods is provided with gears, and the bottom of the groove is provided with sliding chutes at intervals.
The teaching display device for mathematical modeling in the prior art still has the following technical defects in actual use: the conventional display device occupies a large use space, and the space in a classroom is effective, so that unnecessary troubles are brought to practical teaching use by the large-size mathematical modeling display device, and in addition, the display use process of mathematical modeling is complicated, and a large burden is brought to a teacher, so that the display device for mathematical modeling teaching is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a display device for mathematical modeling teaching.
In order to achieve the purpose, the invention adopts the following technical scheme:
a display device for mathematical modeling teaching comprises a platform cabinet, wherein two movable platforms are symmetrically arranged on the upper side of the platform cabinet, the movable platforms are connected with the platform cabinet in a sliding manner, a display is arranged on the front side of the platform cabinet, a lifting platform is arranged inside the platform cabinet, the lifting platform is connected with the display through a connecting rod, a vertical lead screw is rotatably arranged inside the platform cabinet and is in threaded connection with the lifting platform, a transverse lead screw is arranged on the upper side of the platform cabinet and is driven by a second motor, transmission is realized between the vertical lead screw and the transverse lead screw through a linkage mechanism, a threaded pipe matched with the transverse lead screw is arranged on the bottom wall of the movable platform, and the transverse lead screw is in threaded connection with the threaded pipe;
the upside of elevating platform is equipped with rotatory stand, the upside of elevating platform still is equipped with the arc support, it is equipped with the slide to slide on the arc support, the slide is equipped with the camera, the camera is connected with the display electricity, the slide passes through actuating mechanism and slides on the arc support.
Furthermore, the linkage mechanism comprises a first bevel gear and a second bevel gear, the first bevel gear is mounted with the vertical screw rod, the second bevel gear is mounted with the transverse screw rod, and the first bevel gear and the second bevel gear are in meshing transmission with each other;
the driving mechanism comprises a first motor, the first motor is fixed with the sliding seat, a gear is installed at the driving end of the first motor, a rack is installed on the arc-shaped support, and the gear and the rack are meshed for transmission.
Furthermore, the front side of the platform cabinet is provided with a vertical groove matched with the connecting rod, one end of the connecting rod is fixed with the lifting platform, and the other end of the connecting rod extends to the outer side of the platform cabinet through the vertical groove and is fixedly installed at the bottom of the frame of the display.
Furthermore, a protective cover corresponding to the display is fixed on the outer side of the platform cabinet, the top and the bottom of the protective cover penetrate through the platform cabinet, and the protective cover is covered on the outer side of the display.
Further, the inner wall of protection casing is installed clean scraping bar, clean scraping bar and the display screen frictional contact of display.
Furthermore, a plurality of slide bars are installed inside the platform cabinet, the slide bars all run through the elevating platform and are connected with the elevating platform in a sliding mode, and through holes corresponding to the slide bars are formed in the elevating platform.
Furthermore, sliding holes matched with the threaded pipes are formed in the two sides of the top of the platform cabinet.
Furthermore, a guide rail is fixed on the inner side of the top of the platform cabinet, and a guide groove matched with the guide rail is formed in the edge of the movable platform surface.
Further, a guide groove is formed in the inner side of the arc-shaped support, the sliding seat is provided with a gear, and the bottom end of the guide rod extends into the guide groove and is in sliding fit with the guide groove.
Compared with the prior art, the invention has the beneficial effects that:
1. the display device for mathematical modeling is arranged in the platform cabinet, so that the display device and the platform cabinet are combined into a whole, the display device is matched for use, and can be automatically taken out from the inside of the platform cabinet when the display device is used, so that the mathematical model can be taught and displayed.
2. The display device is matched with a display arranged on the outer side of the platform cabinet, and the camera which is arranged on the arc-shaped support and can adjust the height and the angle is matched with the display, so that the mathematical model can be displayed to students in a multi-angle and all-around manner, and the display effect is improved.
3. In addition, the display device can be stored in the platform cabinet, so that a good safety protection effect is achieved, and economic loss caused by accidental damage of the display device is avoided.
In conclusion, the display device and the platform cabinet are combined for use, the occupation of classroom space when the display device is idle can be avoided, the display device can be conveniently taken out of the platform cabinet for display when the display device is used, the design is more reasonable, meanwhile, the display device adopts a mode that the camera is matched with the display to display mathematical models in all directions and in multiple angles, and the display effect is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic structural diagram of a state of a display device for mathematical modeling teaching according to the present invention;
FIG. 2 is a schematic structural diagram of a second state of the display device for mathematical modeling teaching according to the present invention;
FIG. 3 is a rear view of FIG. 2;
FIG. 4 is a sectional view showing the internal structure of the present invention;
FIG. 5 is a schematic structural view of a desk cabinet;
FIG. 6 is a schematic view of the linkage of the movable table and the lifting table of the present invention;
FIG. 7 is a schematic transmission diagram of a vertical screw rod and a horizontal screw rod according to the present invention;
FIG. 8 is a schematic view of the connection between the lift platform and the monitor according to the present invention;
fig. 9 is a schematic view of the transmission of the camera head through the sliding base and the arc-shaped bracket in the invention.
In the figure: the device comprises a platform cabinet 1, a movable platform 2, a protective cover 3, a display 4, an arc-shaped support 5, a sliding seat 6, a first motor 7, a camera 8, a lifting table 9, a rotary exhibition table 10, a gear 11, a rack 12, a guide groove 13, a guide rod 14, a connecting rod 15, a vertical groove 16, a vertical screw rod 17, a second motor 18, a transverse screw rod 19, a threaded pipe 20, a sliding hole 21, a first bevel gear 22, a second bevel gear 23, a sliding rod 24 and a cleaning scraper 25.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example one
Referring to fig. 1-9, a display device for mathematical modeling teaching comprises a platform cabinet 1, two movable platforms 2 are symmetrically arranged on the upper side of the platform cabinet 1, the movable platforms 2 are slidably connected with the platform cabinet 1, a display 4 is arranged on the front side of the platform cabinet 1, a lifting platform 9 is arranged inside the platform cabinet 1, the lifting platform 9 is connected with the display 4 through a connecting rod 15, a vertical screw rod 17 is rotatably arranged inside the platform cabinet 1, the vertical screw rod 17 is in threaded connection with the lifting platform 9, a transverse screw rod 19 is arranged on the upper side of the platform cabinet 1, the vertical screw rod 17 is driven by a second motor 18, transmission is realized between the vertical screw rod 17 and the transverse screw rod 19 through a linkage mechanism, and the linkage mechanism comprises a first bevel gear 22, the first bevel gear 22 is mounted with the vertical screw rod 17, the second bevel gear 23 is mounted with the transverse screw rod 19, and the first bevel gear 22 and the second bevel gear 23 are in meshing transmission;
the bottom wall of the movable table top 2 is provided with a screwed pipe 20 matched with the transverse screw rod 19, and the transverse screw rod 19 is in threaded connection with the screwed pipe 20;
the upside of elevating platform 9 is equipped with rotatory stand 10, and the upside of elevating platform 9 still is equipped with arc support 5, and the slip is equipped with slide 6 on arc support 5, and slide 6 is equipped with camera 8, and camera 8 is connected with display 4 electricity, and slide 6 slides on arc support 5 through actuating mechanism. The inner side of the arc-shaped support 5 is provided with a guide groove 13, the sliding seat 6 is provided with a gear 11, and the bottom end of the guide rod 14 extends into the guide groove 13 and is in sliding fit with the guide groove 13.
The driving mechanism comprises a first motor 7, the first motor 7 is fixed with the sliding seat 6, a gear 11 is installed at the driving end of the first motor 7, a rack 12 is installed on the arc-shaped support 5, and the gear 11 and the rack 12 are in meshed transmission.
The first motor 7 drives the gear 11 to be meshed with the rack 12 for transmission, so that the sliding seat 6, the first motor 7 and the camera 8 can be controlled to adjust the height and the angle along the arc-shaped support 5.
The display device is positioned in the platform cabinet 1 when not in use and can be lifted from the interior 1 of the platform cabinet 1 when in use, the display device comprises a lifting part in the platform cabinet 1 and an external display part, and the lifting part and the display part can be linked;
the lifting part mainly comprises a lifting platform 9, a rotary exhibition platform 10 and a camera 8, and the lifting process of the lifting platform 9 is as follows: the second motor 18 is used for driving the vertical screw rod 17 to rotate, the transverse screw rod 17 is in threaded connection with the lifting platform 9, so that the controller can be lifted, meanwhile, the first bevel gear 22 and the second bevel gear 23 are meshed with each other to drive the transverse screw rod 19 to rotate, and the transverse screw rod 19 is in threaded connection with the threaded pipe 20 so as to control the opening and closing of the two movable table tops 2;
the two sides of the top of the platform cabinet 1 are provided with sliding holes 21 matched with the threaded pipes 20. The inner side of the top of the platform cabinet 1 is fixed with a guide rail, and the edge of the movable platform surface 2 is provided with a guide groove matched with the guide rail.
The front side of the platform 1 is provided with a vertical groove 16 matched with the connecting rod 15, one end of the connecting rod 15 is fixed with the lifting platform 9, and the other end of the connecting rod extends to the outer side of the platform 1 through the vertical groove 16 and is fixedly installed at the bottom of the frame of the display 4.
The lifting platform 9 is connected with the display 4 through a connecting rod 15, and when the lifting platform 9 is lifted, the display 4 can be lifted along with the lifting platform.
A plurality of slide bars 24 are installed inside the platform cabinet 1, the slide bars 24 all run through the lifting platform 9 and are connected with the lifting platform in a sliding mode, and through holes corresponding to the slide bars 24 are formed in the lifting platform 9. The arrangement of the sliding rod 24 can increase the lifting stability of the lifting platform 9 and the stability when placing the model;
when the lifting platform 9 is lifted, the display 4 is lifted along with the lifting platform, meanwhile, the two movable table tops 2 are opened, then, the rotary exhibition platform 10, the arc-shaped support 5, the sliding seat 6 and the camera 8 on the lifting platform 9 are lifted, and the mathematical model is placed on the rotary exhibition platform 10 and used for demonstration teaching. The rotary exhibition stand 10 can rotate, and then images of all positions of the mathematical model are transmitted to the display 4 through the camera 8, so that the model is displayed, and mathematical teaching is facilitated.
When the lifting platform 9 descends, the display 4 can descend, and simultaneously the two movable platforms 2 can be closed, and the platform cabinet 1 can be used as a conventional platform.
Example two
Specifically referring to fig. 4, in the second embodiment, on the basis of the first embodiment, a protective cover 3 corresponding to the display 4 is fixed on the outer side of the platform cabinet 1, the top and the bottom of the protective cover 3 penetrate through, and the protective cover 3 covers the outer side of the display 4.
The inner wall of the protection cover 3 is provided with a cleaning scraping strip 25, and the cleaning scraping strip 25 is in friction contact with the display screen of the display 4.
When the display 4 is lifted along with the lifting platform 9, the display screen of the display 4 is in friction contact with the cleaning scraping strip 25, so that the display screen of the display 4 can be cleaned through the cleaning scraping strip 25, and the display effect of the display 4 is ensured;
specifically, the cleaning scraping strip 25 is fixed on the inner side of the top of the protective cover 3, so that dust can be prevented from entering from the top after the display 4 is folded; the protective cover 3 can provide protection for the display 4, and damage caused by accidental collision of the display is avoided.
The display device and the platform cabinet 1 are mutually combined for use, the occupation of classroom space by the display device can be avoided when the display device is idle, the display device can be conveniently taken out of or put into the platform cabinet 1 as required, the design is more reasonable and ingenious, the display device adopts a mode that the camera 8 is matched with the display 4 to display mathematical models in all directions and in multiple angles, and the display effect is improved.

Claims (9)

1. The utility model provides a display device that mathematical modeling teaching was used, includes platform cabinet (1), its characterized in that, the upside symmetry of platform cabinet (1) of saying is equipped with two movable table boards (2), movable table board (2) and platform cabinet (1) sliding connection, the front side of platform cabinet (1) of saying is equipped with display (4), the inside of platform cabinet (1) of saying is equipped with elevating platform (9), elevating platform (9) are connected through connecting rod (15) with display (4), the inside of platform cabinet (1) of saying rotates and is equipped with vertical lead screw (17), vertical lead screw (17) and elevating platform (9) threaded connection, the upside of platform cabinet (1) of saying is equipped with horizontal lead screw (19), vertical lead screw (17) are through second motor (18) drive, realize the transmission through link gear between vertical lead screw (17) and the horizontal lead screw (19), a threaded pipe (20) matched with the transverse screw rod (19) is arranged on the bottom wall of the movable table top (2), and the transverse screw rod (19) is in threaded connection with the threaded pipe (20);
the upside of elevating platform (9) is equipped with rotatory stand (10), the upside of elevating platform (9) still is equipped with arc support (5), it is equipped with slide (6) to slide on arc support (5), slide (6) are equipped with camera (8), camera (8) are connected with display (4) electricity, slide (6) are passed through actuating mechanism and are slided on arc support (5).
2. A demonstration device for mathematical modelling teaching according to claim 1 wherein the linkage comprises a first bevel gear (22), a second bevel gear (23), the first bevel gear (22) being mounted with the vertical screw (17), the second bevel gear (23) being mounted with the transverse screw (19), the first bevel gear (22) and the second bevel gear (23) being in mesh transmission with each other;
the driving mechanism comprises a first motor (7), the first motor (7) is fixed with a sliding seat (6), a gear (11) is installed at the driving end of the first motor (7), a rack (12) is installed on an arc-shaped support (5), and the gear (11) and the rack (12) are meshed for transmission.
3. The display device for mathematical modeling teaching according to claim 1, wherein a vertical groove (16) matched with the connecting rod (15) is formed in the front side of the platform cabinet (1), one end of the connecting rod (15) is fixed with the lifting platform (9), and the other end of the connecting rod extends to the outer side of the platform cabinet (1) through the vertical groove (16) and is fixedly installed at the bottom of the frame of the display (4).
4. The display device for mathematical modeling teaching according to claim 1 or 3, wherein a protective cover (3) corresponding to the display (4) is fixed on the outer side of the platform cabinet (1), the top and the bottom of the protective cover (3) penetrate through, and the protective cover (3) covers the outer side of the display (4).
5. A presentation device for mathematical modelling teaching according to claim 4, characterized in that the inner wall of said protective cover (3) is fitted with a cleaning scraper bar (25), said cleaning scraper bar (25) being in frictional contact with the display screen of the display (4).
6. The display device for mathematical modeling teaching according to claim 1, wherein a plurality of slide bars (24) are installed inside the platform cabinet (1), the slide bars (24) all penetrate through the lifting platform (9) and are connected with the lifting platform in a sliding manner, and through holes corresponding to the slide bars (24) are formed in the lifting platform (9).
7. The display device for mathematical modeling teaching according to claim 1, wherein the top of the platform cabinet (1) is provided with slide holes (21) at both sides, which are matched with the threaded pipes (20).
8. The display device for mathematical modeling teaching according to claim 1, wherein a guide rail is fixed on the inner side of the top of the platform cabinet (1), and a guide groove matched with the guide rail is formed on the edge of the movable platform surface (2).
9. The display device for mathematical modeling teaching according to claim 1 or 2, wherein the inner side of the arc-shaped bracket (5) is provided with a guide groove (13), the sliding seat (6) is provided with a gear (11), and the bottom end of the guide rod (14) extends into the guide groove (13) and is in sliding fit with the guide groove (13).
CN202210122813.2A 2022-02-09 2022-02-09 Display device that mathematical modeling teaching was used Withdrawn CN114224070A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210122813.2A CN114224070A (en) 2022-02-09 2022-02-09 Display device that mathematical modeling teaching was used

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210122813.2A CN114224070A (en) 2022-02-09 2022-02-09 Display device that mathematical modeling teaching was used

Publications (1)

Publication Number Publication Date
CN114224070A true CN114224070A (en) 2022-03-25

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CN202210122813.2A Withdrawn CN114224070A (en) 2022-02-09 2022-02-09 Display device that mathematical modeling teaching was used

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CN (1) CN114224070A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114680453A (en) * 2022-04-18 2022-07-01 烟台大学 Automatic platform of mechanical type anti-pinch device
CN115517463A (en) * 2022-05-17 2022-12-27 徐国斌 Data management equipment based on simulation process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114680453A (en) * 2022-04-18 2022-07-01 烟台大学 Automatic platform of mechanical type anti-pinch device
CN115517463A (en) * 2022-05-17 2022-12-27 徐国斌 Data management equipment based on simulation process

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Application publication date: 20220325

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