A multi-face teaching display device for secondary vocational mathematics
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-05-09
- Publication Date
- 2026-08-11
Smart Images
Figure CN122551631A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of educational technology, specifically a multi-faceted teaching display device for vocational school mathematics. Background Technology
[0002] In vocational high school mathematics teaching, due to the weaker abstract thinking of vocational students and the emphasis on practical application, traditional teaching methods struggle to visualize abstract mathematical concepts, leading to low student interest and difficulty in understanding. Multi-faceted teaching demonstration devices, used as auxiliary teaching tools in vocational high school mathematics, are increasingly being applied in classroom teaching due to their multi-faceted integration and display capabilities. The aim is to transform geometric figures, functional relationships, algebraic operations, and other knowledge points into concrete forms, assisting teachers in efficient teaching and helping students quickly understand. However, existing technical solutions have the following drawbacks: First, the heat dissipation method of the device is relatively simple, relying solely on natural heat dissipation through ventilation holes, resulting in extremely low heat dissipation efficiency. Furthermore, during long-term use, the electronic display surface and internal core components continuously generate heat, which cannot be quickly dissipated through ventilation holes alone. This leads to a large accumulation of heat inside the device, causing the electronic display surface to freeze or go black, disrupting the classroom learning process. Normal teaching will accelerate the aging of internal components and significantly shorten the lifespan of the device. Secondly, the heat dissipation holes lack corresponding dustproof structure design. A large amount of chalk dust and other dust will be generated in vocational school classrooms. These impurities can easily enter the device through the heat dissipation holes and adhere to key parts such as core components and circuit interfaces. This will not only further block the heat dissipation holes and reduce the heat dissipation effect, but also cause short circuits in internal circuits and damage to components, increasing the operation and maintenance costs of the device. At the same time, frequent fault repairs will also interrupt the normal teaching progress and cannot meet the continuous and stable teaching needs of vocational school mathematics classrooms. Therefore, a multi-faceted teaching display device for vocational school mathematics is proposed to solve the above-mentioned problems. Summary of the Invention
[0003] (a) Technical problems to be solved
[0004] To address the shortcomings of existing technologies, this invention provides a multi-faceted teaching display device for vocational mathematics, which has the advantages of good heat dissipation and dustproof structure for the heat dissipation holes, thus solving the problems mentioned in the background art.
[0005] (II) Technical Solution
[0006] To achieve the aforementioned goals of good heat dissipation and dustproof structure for the heat dissipation holes, the present invention provides the following technical solution: a multi-faceted teaching display device for vocational school mathematics, comprising a base, display components, a support, and a cooling fan. A support component is provided on the top of the base. The number of display components is three, all of which are located on the top of the support component. A handwriting tablet component connected to the display components is provided on the top of the support component. Casters are fixedly installed on the bottom of the base. A ventilation mechanism is provided on the inner side of the display components. A heat dissipation mechanism is provided on the inner side of the display components, located below the ventilation mechanism. A dustproof mechanism is provided on the outer side of the display components, extending to its inner side and fitting against the heat dissipation mechanism. The dustproof mechanism fits against the bottom of the heat dissipation mechanism. The support and the cooling fan are both located on the inner side of the display components.
[0007] The support assembly includes a column, the top of the base is fixedly mounted with the column, the top of the column is fixedly mounted with a cross-shaped frame, and the inner side of the cross-shaped frame is fixedly mounted with a grid-shaped frame extending to its top.
[0008] Preferably, the display component includes a housing, three housings are fixedly installed on the top of the grid frame, the three housings are distributed in a U-shape, a display screen extending to the outside of the housing is fixedly installed on the inner side of the housing, a back plate is movably installed on one inner wall of the housing, two brackets are fixedly installed on the inner top wall of the housing, and a cooling fan is fixedly installed between the two brackets.
[0009] Preferably, the handwriting tablet assembly includes a mounting frame, a mounting frame that fits against the front and rear outer shells is fixedly installed on the top right side of the grid-shaped frame, a handwriting tablet is movably installed on the inner side of the mounting frame, and a bottom frame located below the handwriting tablet is fixedly installed on the right side of the mounting frame.
[0010] Preferably, the ventilation mechanism includes a mounting hole, the inner top wall of the housing has a mounting hole, the inner bottom wall of the mounting hole is movably installed with a ventilation mesh, the inner top wall of the housing has a dustproof plate located inside the mounting hole and attached to the top of the ventilation mesh, and a handle is fixedly installed on one side of the dustproof plate.
[0011] Preferably, the heat dissipation mechanism includes a slot, and the inner bottom wall of the outer casing has a slot located directly below the mounting hole, and a heat dissipation mesh is movably installed on the inner bottom wall of the slot.
[0012] Preferably, the dustproof mechanism includes a mounting box. The mounting box is fixedly mounted on one side of the back plate. A servo motor is fixedly mounted on the inner wall of one side of the mounting box. A threaded rod, rotatably connected to the inner wall of the other side of the mounting box, is fixedly mounted on the output shaft of the servo motor. A threaded block is threadedly connected to the outer side of the threaded rod. A right-angle plate, penetrating the mounting box and the back plate and extending to the inner side of the outer shell, is fixedly mounted on the bottom of the right-angle plate. A cleaning brush, conforming to the top of the heat dissipation mesh, is fixedly mounted on the bottom of the threaded block, fixedly connected to the right-angle plate and extending to the bottom of the mounting box. A vertical plate is fixedly mounted on the bottom of the vertical plate. The device includes a mounting block with a U-shaped frame extending to the other side of one side. A dust collection hood located below a heat dissipation mesh is fixedly mounted on the inner side of the U-shaped frame. Dust removal brush bristles that fit against the bottom of the heat dissipation mesh are fixedly mounted on the top of the dust collection hood. A vacuum cleaner is fixedly mounted on the bottom of the dust collection hood. A connecting pipe communicating with the inner bottom wall of the dust collection hood is fixedly mounted on the input end of the vacuum cleaner. A telescopic spring fixedly connected to one side of the mounting block is fixedly mounted on the inner side of the U-shaped frame. A guide plate is fixedly mounted on one side of the mounting box. A right-angle rod passing through the guide plate and slidably connected to it is fixedly mounted on one side of the U-shaped frame.
[0013] Preferably, the inner wall of the threaded block is provided with a threaded hole adapted to the threaded rod, and the inner bottom wall of the mounting box is provided with a mounting strip hole adapted to the moving trajectory of the right-angle plate and the vertical plate.
[0014] Preferably, the guide plate has a wave-shaped guide groove, the end of the right-angle rod extends into the guide groove, and the inner side of the mounting block has a through hole that matches the U-shaped frame.
[0015] Preferably, a first stabilizing plate is provided between two adjacent outer shells, and a second stabilizing plate is provided on both the front and rear sides of the mounting frame and fixedly connected to the outer shell.
[0016] (III) Beneficial Effects
[0017] Compared with the prior art, the present invention provides a multi-faceted teaching display device for vocational school mathematics, which has the following beneficial effects:
[0018] 1. This vocational school mathematics multi-faceted teaching demonstration device incorporates a ventilation mechanism, a heat dissipation mechanism, supports, and a cooling fan. The cooling fan is installed between two supports on the top wall inside the outer casing. During operation, the cooling fan activates, promoting airflow within the casing. The ventilation mesh in the ventilation mechanism allows air to enter and exit the casing, while a dustproof plate prevents dust from entering through the ventilation mesh. When cleaning the dustproof plate is required, it can be removed via a handle. The heat dissipation mesh in the heat dissipation mechanism further assists in heat dissipation, and the perforations on the bottom wall inside the casing facilitate airflow, carrying away heat and achieving excellent heat dissipation.
[0019] 2. This multi-faceted teaching demonstration device for vocational mathematics incorporates a dustproof mechanism. A servo motor within the dustproof mechanism activates, driving a threaded rod to rotate. Since the inner wall of the threaded block has threaded holes that match the threaded rod, the threaded block moves along the threaded rod. This movement of the threaded block causes the right-angle plate and the upright plate to move. A cleaning brush at the bottom of the right-angle plate cleans the top of the heat dissipation mesh, removing dust. The movement of the upright plate causes the mounting block to move. Under the action of a telescopic spring, the U-shaped frame reciprocates along the through-hole on the mounting block. The right-angle rod on one side of the U-shaped frame moves within the wave-shaped guide groove of the guide plate, causing the U-shaped frame to reciprocate. The U-shaped frame drives the dust collection hood to reciprocate. The dust-removing brush bristles on the top of the dust collection hood clean the bottom of the heat dissipation mesh, simulating manual wiping. Simultaneously, a vacuum cleaner sucks away the dust inside the dust collection hood through a connecting pipe, achieving comprehensive dust removal and fulfilling the purpose of the dustproof structure. Attached Figure Description
[0020] Figure 1 This is a three-dimensional view of the structure of the present invention;
[0021] Figure 2 This is a bottom-view perspective view of the structure of the present invention;
[0022] Figure 3 This is a right-side perspective view of the structure of the present invention;
[0023] Figure 4 This is a partial three-dimensional view of the structure of the present invention;
[0024] Figure 5 This is an exploded perspective view of the ventilation mechanism of the present invention.
[0025] Figure 6 This invention presents a partial bottom-view sectional perspective view of the internal structure of the component.
[0026] Figure 7 This is a partial rear sectional perspective view of the dustproof mechanism of the present invention;
[0027] Figure 8 This is a partial bottom-view sectional perspective view of the dustproof mechanism of the present invention.
[0028] In the diagram: 1. Base, 2. Support assembly, 21. Column, 22. Cross-shaped frame, 23. Grid-shaped frame, 3. Display assembly, 31. Shell, 32. Display screen, 33. Back panel, 4. Writing tablet assembly, 41. Mounting frame, 42. Writing tablet, 43. Bottom frame, 5. Ventilation mechanism, 51. Mounting hole, 52. Ventilation mesh, 53. Dustproof plate, 54. Handle, 6. Heat dissipation mechanism, 61. Hole, 62. Heat dissipation mesh, 7. Dustproof mechanism, 701. Mounting box, 702. Servo motor, 703. Threaded rod, 704. Threaded block, 705. Right angle plate, 706. Cleaning brush, 707. Upright plate, 708. Mounting block, 709. U-shaped frame, 710. Dust hood, 711. Dust removal brush bristles, 712. Vacuum cleaner, 713. Connecting pipe, 714. Telescopic spring, 715. Guide plate, 716. Right angle rod, 8. Bracket, 9. Cooling fan, 10. Casters. Detailed Implementation
[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0030] Please see Figure 1-8 This invention provides a technical solution: a multi-faceted teaching display device for vocational school mathematics, comprising a base 1, display components 3, a support 8, and a cooling fan 9. A support component 2 is provided on the top of the base 1. There are three display components 3, all of which are located on the top of the support component 2. A handwriting board component 4 connected to the display components 3 is provided on the top of the support component 2. Casters 10 are fixedly installed on the bottom of the base 1. A ventilation mechanism 5 is provided on the inner side of the display components 3. A cooling mechanism 6 located below the ventilation mechanism 5 is provided on the inner side of the display components 3. A dustproof mechanism 7 extending to the inner side of the display components 3 and fitting against the cooling mechanism 6 is provided on the outer side of the display components 3. The dustproof mechanism 7 fits against the bottom of the cooling mechanism 6. The support 8 and the cooling fan 9 are both located on the inner side of the display components 3.
[0031] The base 1 serves as the basic support component of the entire teaching demonstration device, providing a stable bearing platform for all components above, ensuring that the device will not easily tip over or shake during use, and guaranteeing the normal conduct of teaching activities. The casters 10 are installed at the bottom of the base 1, making it convenient for teachers to move the demonstration device flexibly according to teaching needs without the need for multiple people to carry it, thus improving the mobility and ease of use of the device, and allowing the device to be quickly adjusted to a suitable teaching position.
[0032] The support assembly 2 includes a column 21. The column 21 is fixedly installed on the top of the base 1. A cross-shaped frame 22 is fixedly installed on the top of the column 21. A grid-shaped frame 23 extending to the top of the cross-shaped frame 22 is fixedly installed on the inner side of the cross-shaped frame 22.
[0033] The column 21 is vertically fixed to the top of the base 1, serving to connect the base 1 and the cross-shaped frame 22, raising the cross-shaped frame 22 to a suitable height to provide space for the subsequent installation of display components 3, etc., while enhancing the stability of the entire support structure. The cross-shaped frame 22 is installed on top of the column 21, and its unique cross-shaped structure can distribute the weight of the grid-shaped frame 23 and the display components 3 above, increasing the stress area of the support and making the support more stable. It also provides an installation base for the grid-shaped frame 23. The grid-shaped frame 23 is fixed to the inside of the cross-shaped frame 22 and extends to its top, providing a stable installation platform for the three display components 3, ensuring that the three display components 3 can be firmly set above the device. At the same time, its grid shape helps to further enhance the stability and strength of the structure.
[0034] The display component 3 includes a housing 31. Three housings 31 are fixedly installed on the top of the grid frame 23. The three housings 31 are arranged in a U-shape. A display screen 32 extending to the outside of the housing is fixedly installed on the inner side of the housing 31. A back plate 33 is movably installed on one inner wall of the housing 31. Two brackets 8 are fixedly installed on the inner top wall of the housing 31. A cooling fan 9 is fixedly installed between the two brackets 8.
[0035] The outer shell 31 serves as the main frame of the display component 3, providing protection and support for other internal components and preventing damage to internal components such as the display screen 32 from dust, collisions, etc. At the same time, its specific shape and layout (three U-shaped distributions) facilitate the rational use of space and realize multi-faceted display functions. The display screen 32 is fixedly installed on the inner side of the outer shell 31 and extends to the outer side. It is the core component of the teaching display and is used to display various mathematical teaching content, such as mathematical formulas, graphs, examples, animation demonstrations, etc. It can intuitively present knowledge to students and improve teaching effectiveness. The back panel 33 is movably installed on one side of the inner wall of the outer shell 31. On the one hand, it can serve as an openable part of the outer shell 31, which facilitates the installation, maintenance and repair of internal components. On the other hand, the back panel 33 provides a fixed position for the installation of the dustproof mechanism 7.
[0036] There are two brackets 8, which are fixedly installed on the inner top wall of the outer casing 31 to support the cooling fan 9, ensuring that the cooling fan 9 is firmly installed and can operate stably during operation, providing effective heat dissipation for components such as the display screen 32. The cooling fan 9 is installed between the two brackets 8, and generates airflow by rotating, which accelerates the airflow inside the outer casing 31, dissipating the heat generated by components such as the display screen 32 during operation in a timely manner, preventing damage to components or performance degradation due to overheating, and ensuring the normal operation of the device.
[0037] The handwriting tablet assembly 4 includes a mounting frame 41. The mounting frame 41, which fits against the front and rear shells 31, is fixedly mounted on the top right side of the grid frame 23. The handwriting tablet 42 is movably mounted on the inner side of the mounting frame 41. The bottom frame 43, located below the handwriting tablet 42, is fixedly mounted on the right side of the mounting frame 41.
[0038] The mounting frame 41 is fixedly installed on the top right side of the grid-shaped frame 23 and fits snugly against the front and rear outer shells 31, providing a mounting frame for the handwriting tablet 42. It serves to fix and support the handwriting tablet 42, and its specific position design facilitates the use of the handwriting tablet 42 by teachers during teaching. The handwriting tablet 42 is movably installed inside the mounting frame 41, allowing teachers to write, draw, and annotate on the handwriting tablet 42, displaying key content and problem-solving ideas to students in real time, enhancing the interactivity and intuitiveness of teaching, and helping students better understand mathematical knowledge. The bottom frame 43 is fixedly installed on the right side of the mounting frame 41 and located below the handwriting tablet 42. It can be used to place writing tools (such as pens, erasers, etc.), making it convenient for teachers to access and store writing tools at any time when using the handwriting tablet 42, thus improving teaching efficiency.
[0039] A first stabilizing plate is provided between two adjacent outer shells 31, and a second stabilizing plate is provided on both the front and rear sides of the mounting frame 41, which is fixedly connected to the outer shell 31.
[0040] The ventilation mechanism 5 includes a mounting hole 51. The inner top wall of the housing 31 has a mounting hole 51. A ventilation mesh 52 is movably installed on the inner bottom wall of the mounting hole 51. A dustproof plate 53 located inside the mounting hole 51 and attached to the top of the ventilation mesh 52 is movably installed on the inner top wall of the housing 31. A handle 54 is fixedly installed on one side of the dustproof plate 53.
[0041] Mounting hole 51 is located on the inner top wall of housing 31, providing a mounting position for ventilation mesh 52 and dustproof plate 53. It serves as one of the channels for air to enter and exit housing 31, facilitating air circulation between the inside and outside of housing 31 and aiding in heat dissipation. Ventilation mesh 52 is movably mounted on the inner bottom wall of mounting hole 51, allowing air to pass through while blocking larger dust particles from entering the interior of housing 31, protecting internal components from dust contamination and extending component lifespan. Dustproof plate 53 is movably mounted on the inner top wall of housing 31 and located inside mounting hole 51, fitting snugly against the top of ventilation mesh 52, further enhancing dustproof effect and preventing fine dust from entering the interior of housing 31 from ventilation mesh 52. It can also be easily removed for cleaning via handle 54, which is fixedly mounted on one side of dustproof plate 53 for easy gripping by teachers or maintenance personnel, allowing for easy removal or reinstallation of dustproof plate 53 from mounting hole 51, facilitating regular cleaning of dustproof plate 53 and ensuring its dustproof performance.
[0042] The heat dissipation mechanism 6 includes a slot 61. The inner bottom wall of the outer casing 31 has a slot 61 located directly below the mounting hole 51. A heat dissipation mesh 62 is movably installed on the inner bottom wall of the slot 61.
[0043] The slot 61 is formed on the inner bottom wall of the housing 31 and located directly below the mounting hole 51. It is another important channel for air to enter and exit. Together with the mounting hole 51, it forms an airflow path and accelerates the heat dissipation inside the housing 31. The heat dissipation mesh 62 is movably installed on the inner bottom wall of the slot 61. While allowing air to pass through, it further filters the air entering or leaving the housing 31, blocks dust, and its large surface area helps to dissipate heat and improve heat dissipation efficiency.
[0044] The dustproof mechanism 7 includes a mounting box 701. The mounting box 701 is fixedly mounted on one side of the back plate 33. A servo motor 702 is fixedly mounted on the inner wall of one side of the mounting box 701. A threaded rod 703, rotatably connected to the inner wall of the other side of the mounting box 701, is fixedly mounted on the output shaft of the servo motor 702. A threaded block 704 is threadedly connected to the outer side of the threaded rod 703. A right-angle plate 705, penetrating the mounting box 701 and the back plate 33 and extending to the inner side of the outer casing 31, is fixedly mounted on the bottom of the right-angle plate 705. A cleaning brush 706, abutting the top of the heat dissipation mesh 62, is fixedly mounted on the bottom of the threaded block 704. A vertical plate 707, fixedly connected to the right-angle plate 705 and extending to the bottom of the mounting box 701, is fixedly mounted on the bottom of the vertical plate 707. Mounting block 708 has a U-shaped frame 709 slidably mounted on one side of the mounting block 708, extending to the other side. A dust collection hood 710 located below the heat dissipation mesh 62 is fixedly mounted on the inner side of the U-shaped frame 709. A dust removal brush bristles 711 that fits against the bottom of the heat dissipation mesh 62 are fixedly mounted on the top of the dust collection hood 710. A vacuum cleaner 712 is fixedly mounted on the bottom of the dust collection hood 710. A connecting pipe 713 that communicates with the inner bottom wall of the dust collection hood 710 is fixedly mounted on the input end of the vacuum cleaner 712. A telescopic spring 714 that is fixedly connected to one side of the mounting block 708 is fixedly mounted on the inner side of the U-shaped frame 709. A guide plate 715 is fixedly mounted on one side of the mounting box 701. A right-angle rod 716 that passes through the guide plate 715 and is slidably connected to it is fixedly mounted on one side of the U-shaped frame 709.
[0045] The inner wall of the threaded block 704 is provided with a threaded hole that matches the threaded rod 703. The inner bottom wall of the mounting box 701 is provided with a mounting strip hole that matches the moving trajectory of the right angle plate 705 and the vertical plate 707. The guide plate 715 is provided with a wave-shaped guide groove. The end of the right angle rod 716 extends into the guide groove. The inner side of the mounting block 708 is provided with a through hole that matches the U-shaped frame 709.
[0046] Mounting box 701 is fixedly mounted on one side of back plate 33, providing mounting space and support for other components of dustproof mechanism 7, integrating the various components so that dustproof mechanism 7 can work as a whole. Servo motor 702 is fixedly mounted on the inner wall of one side of mounting box 701, serving as the power source for dustproof mechanism 7. It drives threaded rod 703 to rotate through output shaft, providing power for the entire dustproof and dust removal process and realizing automated operation. One end of threaded rod 703 is fixedly connected to the output shaft of servo motor 702, and the other end is rotatably connected to the inner wall of the other side of mounting box 701. Driven by servo motor 702, it rotates and, through threaded engagement with threaded block 704, converts rotational motion into linear motion, driving threaded block 704 to move along threaded rod 703. The threaded block 704 is threadedly connected to the outside of the threaded rod 703. Its inner wall has a threaded hole adapted to the threaded rod 703. Under the rotation of the threaded rod 703, it can move linearly along the threaded rod 703, thereby moving the right-angle plate 705 and the upright plate 707. This allows the cleaning brush 706 and dust-removing bristles 711 to clean the heat dissipation mesh 62. The right-angle plate 705 is fixedly installed at the bottom of the threaded block 704, passing through the mounting box 701 and the back plate 33 and extending to the inside of the outer casing 31. A cleaning brush 706 is installed at its bottom. As the threaded block 704 moves, it drives the cleaning brush 706 to clean the top of the heat dissipation mesh 62, removing dust. The cleaning brush 706 is fixedly installed at the bottom of the right-angle plate 705, fitting snugly against the top of the heat dissipation mesh 62. Driven by 705, the top of the heat dissipation mesh 62 is repeatedly swept to remove dust, keeping the top of the heat dissipation mesh 62 clean and ensuring heat dissipation effect. The upright plate 707 is fixedly installed at the bottom of the threaded block 704 and fixedly connected to the right angle plate 705, while extending to the bottom of the mounting box 701, serving to connect the threaded block 704 and the mounting block 708, transmitting the movement of the threaded block 704 to the mounting block 708, driving the dust removal component below to work. The mounting block 708 is fixedly installed at the bottom of the upright plate 707, and its inner side has a through hole adapted to the U-shaped frame 709, providing a sliding installation position for the U-shaped frame 709, and is connected to the U-shaped frame 709 through the telescopic spring 714, allowing the U-shaped frame 709 to reciprocate within a certain range. The U-shaped frame 709 is slidably mounted on one side of the mounting block 708 and extends to the other side. A dust collection hood 710 is installed inside the frame. Driven by the right-angle rod 716 and the guide plate 715, it can reciprocate up and down, causing the dust collection hood 710 and dust removal brushes 711 to clean and vacuum the bottom of the heat dissipation mesh 62. The dust collection hood 710 is fixedly installed inside the U-shaped frame 709 and below the heat dissipation mesh 62. Dust removal brushes 711 are installed on its top, and a vacuum cleaner 712 is fixedly installed at its bottom. Driven by the U-shaped frame 709, the dust removal brushes 711 clean the bottom of the heat dissipation mesh 62, while the vacuum cleaner 712 sucks away dust through the connecting pipe 713, achieving comprehensive dust removal. The dust removal brushes 711 are fixedly installed on the top of the dust collection hood 710.The bottom of the heat dissipation mesh 62 is attached to the bottom of the vacuum cleaner 710. As the vacuum cleaner 710 moves up and down, it cleans the bottom of the mesh, removing dust for the vacuum cleaner 712 to suck up. The vacuum cleaner 712 is fixedly installed at the bottom of the vacuum cleaner 710 and connected to the inner bottom wall of the vacuum cleaner 710 via a connecting pipe 713. This allows it to suck up the dust swept down from inside the vacuum cleaner 710, collect and process it, keep the bottom of the heat dissipation mesh 62 clean, and improve heat dissipation efficiency. The connecting pipe 713 is fixedly installed at the input end of the vacuum cleaner 712 and connected to the inner bottom wall of the vacuum cleaner 710, serving as a channel for dust to enter the vacuum cleaner 712 from the vacuum cleaner 710, ensuring smooth vacuuming. The telescopic spring 714 is fixedly installed on the inner side of the U-shaped frame 709 and fixedly connected to one side of the mounting block 708, providing elasticity to the U-shaped frame 709 and allowing it to move smoothly. The device can reciprocate up and down under the action of the right-angle rod 716 and the guide plate 715, enabling repeated cleaning and vacuuming of the bottom of the heat dissipation mesh 62. The guide plate 715 is fixedly installed on one side of the mounting box 701 and has a wave-shaped guide groove. The end of the right-angle rod 716 extends into the guide groove. During the movement of the threaded block 704, the right-angle rod 716 moves along the guide groove, forcing the U-shaped frame 709 to reciprocate up and down, thereby driving the dust removal brush 711 and the dust suction hood 710 to thoroughly clean the bottom of the heat dissipation mesh 62. The right-angle rod 716 is fixedly installed on one side of the U-shaped frame 709, passes through the guide plate 715 and is slidably connected to it, with its end extending into the wave-shaped guide groove of the guide plate 715. Under the action of the guide plate 715, the linear motion of the threaded block 704 is converted into the reciprocating up and down motion of the U-shaped frame 709.
[0047] In use, the display device is moved to a suitable location in the teaching space using the casters 10 at the bottom of the base 1, ensuring the device is placed stably. The power is then connected, and the displays 32 on the three outer casings 31 are turned on. Depending on teaching needs, relevant teaching content, such as mathematical formulas, graphs, and examples, is displayed on the displays 32. When it is necessary to emphasize key points, make annotations, or draw diagrams, the teacher can write on the writing pad 42 to help students better understand the teaching content. During use, the cooling fan 9 operates continuously to ensure that the heat generated by the displays 32 and other components is dissipated in a timely manner. The ventilation mechanism 5 and the heat dissipation mechanism 6 are checked regularly. If dust is found on the dustproof plate... If there is a lot of dust on the heat dissipation mesh 62 or 53, it will affect the heat dissipation effect. It can be cleaned accordingly. For the dust prevention mechanism 7, the servo motor 702 can be started periodically to drive the cleaning brush 706 and dust removal brush bristles 711 to clean the heat dissipation mesh 62. At the same time, the vacuum cleaner 712 will suck up the dust to keep the heat dissipation mesh 62 clean and ensure good heat dissipation performance. The first stabilizing plate between the two adjacent shells 31 and the second stabilizing plate fixedly connected to the shells 31 on the front and rear sides of the mounting frame 41 can enhance the structural stability of the entire device. No special operation is required during use, but the stabilizing plates need to be checked regularly for looseness. If they are loose, they should be tightened in time.
[0048] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.
[0049] In summary, this multi-faceted teaching demonstration device for vocational mathematics utilizes a ventilation mechanism 5, a heat dissipation mechanism 6, supports 8, and a cooling fan 9. The cooling fan 9 is installed between two supports 8 on the inner top wall of the outer casing 31. During operation, the cooling fan 9 activates, promoting airflow within the outer casing 31. The ventilation mesh 52 in the ventilation mechanism 5 allows air to enter and exit the outer casing 31, while the dustproof plate 53 prevents dust from entering through the ventilation mesh 52. When cleaning the dustproof plate 53 is required, it can be removed via the handle 54. The heat dissipation mesh 62 in the heat dissipation mechanism 6 further assists in heat dissipation, and the perforations 61 on the inner bottom wall of the outer casing 31 facilitate airflow and remove heat, achieving excellent heat dissipation. Dust control mechanism 7: The servo motor 702 in the dust control mechanism 7 starts, driving the threaded rod 703 to rotate. Since the inner wall of the threaded block 704 has a threaded hole that matches the threaded rod 703, the threaded block 704 moves along the threaded rod 703. The movement of the threaded block 704 drives the right-angle plate 705 and the upright plate 707 to move. The cleaning brush 706 at the bottom of the right-angle plate 705 cleans the top of the heat dissipation mesh 62 to remove dust. The movement of the upright plate 707 drives the mounting block 708 to move. Under the action of the telescopic spring 714, the U-shaped frame 709 reciprocates along the through hole on the mounting block 708. The right-angle rod 716 on one side of the U-shaped frame 709 is guided by the wavy guide groove of the guide plate 715. The internal movement causes the U-shaped frame 709 to reciprocate, which in turn drives the dust collection hood 710 to reciprocate. The dust-removing brushes 711 on the top of the dust collection hood 710 clean the bottom of the heat dissipation mesh 62, simulating manual wiping. At the same time, the vacuum cleaner 712 sucks away the dust inside the dust collection hood 710 through the connecting pipe 713, achieving comprehensive dust removal and fulfilling the purpose of having a dustproof structure. This solves one problem: the device's heat dissipation method is relatively simple, relying solely on natural heat dissipation through heat dissipation holes, resulting in extremely low heat dissipation efficiency. Furthermore, during long-term use, the electronic display surface and internal core components continuously generate heat, which cannot be quickly dissipated through heat dissipation holes alone, causing heat to accumulate inside the device. Excessive accumulation of dust not only causes electronic display screens to lag or go black, disrupting normal classroom teaching, but also accelerates the aging of internal components, significantly shortening the device's lifespan. Secondly, the lack of corresponding dustproof design in the heat dissipation holes means that a large amount of chalk dust and other impurities are generated during vocational school classroom teaching. These impurities can easily enter the device through the heat dissipation holes and adhere to key components, circuit interfaces, and other critical parts. This not only further clogs the heat dissipation holes and reduces the heat dissipation effect, but also leads to short circuits in internal circuits and damage to components, increasing the device's maintenance costs. At the same time, frequent malfunctions and repairs will also interrupt the normal teaching progress, failing to meet the continuous and stable teaching needs of vocational school mathematics classes.
[0050] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0051] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A multi-faceted teaching display device for vocational school mathematics, comprising a base (1), display components (3), a support (8), and a cooling fan (9), wherein a support component (2) is provided on the top of the base (1), the number of display components (3) is three and all are provided on the top of the support component (2), a handwriting board component (4) connected to the display components (3) is provided on the top of the support component (2), and a caster wheel (10) is fixedly installed on the bottom of the base (1), characterized in that: The display component (3) is provided with a ventilation mechanism (5) on its inner side, and a heat dissipation mechanism (6) located below the ventilation mechanism (5) is provided on the inner side of the display component (3). A dustproof mechanism (7) is provided on the outer side of the display component (3) extending to its inner side and fitting with the heat dissipation mechanism (6). The dustproof mechanism (7) is fitted with the bottom of the heat dissipation mechanism (6). The bracket (8) and the heat dissipation fan (9) are both provided on the inner side of the display component (3). The support assembly (2) includes a column (21), the top of the base (1) is fixedly installed with the column (21), the top of the column (21) is fixedly installed with a cross-shaped frame (22), and the inner side of the cross-shaped frame (22) is fixedly installed with a grid-shaped frame (23) extending to its top.
2. The multi-face teaching display device for middle school mathematics of claim 1, wherein: The display component (3) includes a housing (31). Three housings (31) are fixedly installed on the top of the grid frame (23). The three housings (31) are arranged in a U-shape. A display screen (32) extending to the outside of the housing (31) is fixedly installed on the inner side of the housing (31). A back plate (33) is movably installed on one inner wall of the housing (31). There are two brackets (8) and they are fixedly installed on the inner top wall of the housing (31). A cooling fan (9) is fixedly installed between the two brackets (8).
3. The multi-face teaching display device for middle school mathematics of claim 2, wherein: The handwriting tablet assembly (4) includes a mounting frame (41). The mounting frame (41) is fixedly installed on the top right side of the grid frame (23) and fits against the front and rear shells (31). The handwriting tablet (42) is movably installed on the inner side of the mounting frame (41). The bottom frame (43) located below the handwriting tablet (42) is fixedly installed on the right side of the mounting frame (41).
4. The multi-face teaching display device for middle school mathematics of claim 2, wherein: The ventilation mechanism (5) includes a mounting hole (51). The inner top wall of the outer shell (31) is provided with a mounting hole (51). A ventilation mesh (52) is movably installed on the inner bottom wall of the mounting hole (51). A dustproof plate (53) located inside the mounting hole (51) and attached to the top of the ventilation mesh (52) is movably installed on the inner top wall of the outer shell (31). A handle (54) is fixedly installed on one side of the dustproof plate (53).
5. The multi-face teaching display device for middle school mathematics of claim 4, wherein: The heat dissipation mechanism (6) includes a slot (61). The inner bottom wall of the outer shell (31) is provided with a slot (61) located directly below the mounting hole (51). A heat dissipation mesh (62) is movably installed on the inner bottom wall of the slot (61).
6. The multi-face teaching display device for middle school mathematics of claim 5, wherein: The dustproof mechanism (7) includes a mounting box (701). The mounting box (701) is fixedly installed on one side of the back plate (33). A servo motor (702) is fixedly installed on the inner wall of one side of the mounting box (701). A threaded rod (703) that is rotatably connected to the inner wall of the other side of the mounting box (701) is fixedly installed at the output shaft of the servo motor (702). A threaded block (704) is threadedly connected to the outer side of the threaded rod (703). A right-angle plate (705) that penetrates the mounting box (701) and the back plate (33) and extends to the inner side of the outer shell (31) is fixedly installed at the bottom of the threaded block (704). A cleaning brush (706) that fits against the top of the heat dissipation mesh (62) is fixedly installed at the bottom of the threaded block (704). A vertical plate (707) that is fixedly connected to the right-angle plate (705) and extends to the bottom of the mounting box (701) is fixedly installed at the bottom of the threaded block (704). A cleaning brush (706) that fits against the top of the heat dissipation mesh (62) is fixedly installed at the bottom of the threaded block (704). A mounting block (708) is provided, on one side of which a U-shaped frame (709) extending to the other side is slidably mounted. A dust collection hood (710) located below the heat dissipation mesh (62) is fixedly mounted on the inner side of the U-shaped frame (709). A dust removal brush (711) that fits against the bottom of the heat dissipation mesh (62) is fixedly mounted on the top of the dust collection hood (710). A vacuum cleaner (712) is fixedly mounted on the bottom of the dust collection hood (710). The input end of the dust collector (712) is fixedly installed with a connecting pipe (713) that communicates with the bottom wall of the dust hood (710). The inner side of the U-shaped frame (709) is fixedly installed with a telescopic spring (714) that is fixedly connected to one side of the mounting block (708). The side of the mounting box (701) is fixedly installed with a guide plate (715). The side of the U-shaped frame (709) is fixedly installed with a right-angle rod (716) that passes through the guide plate (715) and is slidably connected to it.
7. The multi-face teaching display device for middle school mathematics of claim 6, wherein: The inner wall of the threaded block (704) is provided with a threaded hole that matches the threaded rod (703), and the inner bottom wall of the mounting box (701) is provided with a mounting strip hole that matches the moving trajectory of the right angle plate (705) and the upright plate (707).
8. The multi-face teaching display device for middle school mathematics of claim 7, wherein: The guide plate (715) has a wave-shaped guide groove, the end of the right-angle rod (716) extends into the guide groove, and the inner side of the mounting block (708) has a through hole that matches the U-shaped frame (709).
9. The multi-face teaching display device for middle school mathematics of claim 3, wherein: A first stabilizing plate is provided between two adjacent outer shells (31), and a second stabilizing plate is provided on both the front and rear sides of the mounting frame (41) and fixedly connected to the outer shell (31).