An intelligent blackboard system

Abstract

The present invention discloses a smart blackboard system, comprising: a board surface for writing and presenting electronic images; slide rails vertically arranged on both sides of the board surface; a cross beam horizontally arranged between a pair of the slide rails and vertically slidably connected to the slide rails; an eraser arranged inside the cross beam and used for contacting the board surface; and a lead screw vertically arranged in the slide rails and threadedly connected to the cross beam. The present invention has the following advantages and effects: By providing a highly automated eraser, the wiping of the board surface is automatically realized, eliminating the need for manual blackboard wiping, preventing dust from contacting the hands, and also avoiding the inhalation of dust at close range, thus protecting the health of teachers and achieving the effect of facilitating teaching.

Description

Technical Field

[0001] The present invention relates to the field of teaching equipment, and particularly to a smart blackboard system. Background Art

[0002] The smart blackboard not only includes a writing board for writing on the blackboard, but also includes an electronic tablet for presenting electronic documents, pictures, and videos. As a high-tech interactive teaching product, the smart blackboard can achieve seamless switching between the traditional handwritten blackboard and the intelligent electronic blackboard through touch control.

[0003] After writing on the traditional smart blackboard, it is usually necessary to manually wipe the chalk marks. Since chalk is mostly made of lime, during the wiping process, the chalk dust will adhere to the teacher's hands, easily causing a burning sensation, and at the same time, it will be inhaled by the teacher into the lungs, posing a hazard to the teacher's health and bringing inconvenience to teaching, which needs to be improved. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a smart blackboard system with the effect of facilitating teaching.

[0005] The above technical purpose of the present invention is achieved through the following technical solutions: A smart blackboard system includes:

[0006] A board surface for writing and presenting electronic images;

[0007] Sliding rails vertically arranged on both sides of the board surface;

[0008] A cross beam horizontally arranged between a pair of the sliding rails and vertically slidably connected to the sliding rails;

[0009] A blackboard eraser arranged inside the cross beam and used to contact the board surface;

[0010] A lead screw vertically arranged inside the sliding rail and threadedly connected to the cross beam

[0011] The blackboard eraser is rotatably arranged up and down inside the cross beam, and a driving mechanism for controlling the reciprocating swing of the blackboard eraser is arranged on the cross beam.

[0012] By adopting the above technical solution, when it is necessary to wipe the chalk marks on the blackboard surface, the lead screw is controlled to rotate reciprocally. At this time, the lead screw drives the cross beam to move up and down reciprocally, and the cross beam drives the blackboard eraser to move synchronously, so as to automatically wipe the chalk marks on the blackboard surface with the blackboard eraser. Therefore, by setting a highly automated blackboard eraser, the wiping of the blackboard surface is automatically realized, without manually wiping the blackboard, preventing dust from contacting the hands, and at the same time avoiding inhaling dust at close range, protecting the health of teachers, and achieving the effect of facilitating teaching. By setting a reciprocally swinging blackboard eraser, it simulates the action of humans when wiping things, realizes the thorough wiping of chalk marks, and ensures the cleanliness of the blackboard surface.

[0013] In a preferred example, the present invention can be further configured as follows: The driving mechanism includes a rotating shaft, a driving gear, an arc gear, and a linkage assembly. The rotating shaft is horizontally rotatably connected inside the cross beam. The driving gears are arranged at intervals on the rotating shaft. The arc gear is arranged on the blackboard eraser and meshes with the driving gear. The linkage assembly is arranged inside the slide rail and is used to drive the rotating shaft to rotate reciprocally during the vertical movement of the cross beam.

[0014] By adopting the above technical solution, when the cross beam moves vertically, it will trigger the linkage assembly to work. At this time, the linkage assembly controls the rotating shaft to rotate reciprocally. The rotating shaft drives the driving gear to move synchronously, and controls the arc gear and the blackboard eraser to swing synchronously, realizing the thorough wiping of chalk marks.

[0015] In a preferred example, the present invention can be further configured as follows: The linkage assembly includes a linkage gear and a pair of linkage racks. The linkage gear is arranged at the end of the rotating shaft and is located inside the slide rail. The pair of linkage racks are vertically arranged inside the slide rail and are distributed on both sides of the linkage gear. The tooth keys on the linkage gear are arranged at intervals, and the tooth keys on the pair of linkage gears are staggered.

[0016] By adopting the above technical solution, when the cross beam moves vertically, it will drive the rotating shaft to move synchronously. At this time, under the cooperation of the linkage gear and the linkage racks, the linkage gear alternately contacts and meshes with the two linkage racks reciprocally, realizing the continuous control of the forward and reverse rotation of the linkage gear, and thus automatically realizing the reciprocating swing control of the blackboard eraser.

[0017] In a preferred example, the present invention can be further configured as follows: An exhaust fan is arranged inside the cross beam. A dust suction hole communicating with the upper inlet of the exhaust fan is arranged on the inner side of the cross beam. A dust collector for the upper outlet of the exhaust fan is arranged inside the cross beam.

[0018] By adopting the above technical solution, when wiping the chalk marks, the exhaust fan works, and the dust is sucked into the exhaust fan through the dust suction holes. Subsequently, after being filtered by the dust collector, the dust is collected in the dust collector, and the clean air is discharged outside, preventing the dust from floating in the air and also preventing the teacher from inhaling the dust, ensuring the cleanliness and tidiness of the classroom.

[0019] In a preferred embodiment of the present invention, it can be further configured that: the dust collector includes an outer cover, a cloth cylinder, an air inlet pipe and an air outlet pipe. The outer cover is vertically arranged inside the cross beam. The cloth cylinder is vertically arranged inside the outer cover. The air inlet pipe is arranged on the cloth cylinder, penetrates through the outer cover and is connected to the outlet of the exhaust fan. The air outlet pipe is arranged on the outer cover and penetrates through the cross beam.

[0020] By adopting the above technical solution, when the dust enters the dust collector, the dust first enters the cloth cylinder. At this time, the cloth cylinder blocks the dust, allowing the clean air to enter the outer cover and be discharged along the air outlet pipe, thereby realizing the effective filtration of the dust.

[0021] In a preferred embodiment of the present invention, it can be further configured that: the air inlet pipe is inserted into the outlet of the exhaust fan, and a drawer for supporting the dust collector is slidably connected to the cross beam.

[0022] By adopting the above technical solution, by providing a pull-out dust collector and using an insertion method to achieve the quick connection between the dust collector and the exhaust fan, it is convenient to remove, clean and repair and replace the dust collector.

[0023] In a preferred embodiment of the present invention, it can be further configured that: the lower end of the outer cover is threadedly connected with a cover plate, the lower end of the cloth cylinder is embedded with a sealing plate, and a connecting rod is arranged between the cover plate and the sealing plate.

[0024] By adopting the above technical solution, by providing a cover plate that can be opened and closed by rotation, the outer cover and the cloth cylinder can be synchronously opened or closed at one time, making the cleaning process of the dust in the cloth cylinder more convenient.

[0025] In summary, the present invention has the following beneficial effects:

[0026] 1. By providing a highly automated blackboard eraser, the wiping of the blackboard surface is automatically realized, eliminating the need for manual blackboard wiping, preventing dust from contacting the hands, and at the same time avoiding the inhalation of dust at close range, protecting the health of teachers and achieving the effect of facilitating teaching;

[0027] 2. By providing a reciprocating swing blackboard eraser, simulating the actions of humans when wiping things, the chalk marks can be wiped thoroughly, ensuring the cleanliness of the blackboard surface;

[0028] 3. By setting up the cooperation of an exhaust fan and a dust collector, the inhalation and filtration of dust are realized, preventing the dust from floating in the air and also preventing teachers from inhaling dust, ensuring the cleanliness and tidiness of the classroom. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0030] Figure 1 is a schematic structural diagram of an embodiment;

[0031] Figure 2 is a schematic structural diagram of the driving mechanism of an embodiment;

[0032] Figure 3 is a schematic internal structure diagram of the cross beam of an embodiment.

[0033] Reference numerals: 1, board surface; 2, slide rail; 3, cross beam; 31, exhaust fan; 32, dust suction hole; 33, drawer; 4, blackboard eraser; 5, lead screw; 6, driving mechanism; 61, rotating shaft; 62, driving gear; 63, arc gear; 64, linkage assembly; 65, linkage gear; 66, linkage rack; 7, dust collector; 71, outer cover; 72, cloth tube; 73, air inlet pipe; 74, air outlet pipe; 75, cover plate; 76, sealing plate; 77, connecting rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0034] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0035] As Figure 1 、 Figure 2 shown, a smart blackboard system includes a board surface 1, a slide rail 2, a cross beam 3, a blackboard eraser 4 and a lead screw 5.

[0036] As Figure 1 、 Figure 2As shown, the board surface 1 is used for writing and presenting electronic images. The slide rails 2 are vertically arranged on both sides of the board surface 1 and protrude outward. The cross beam 3 is horizontally arranged between a pair of slide rails 2 and is vertically slidably connected to the slide rails 2. The eraser 4 is arranged inside the cross beam 3 and is used to contact the board surface 1. The lead screw 5 is vertically arranged inside the slide rail 2 and is threadedly connected to the cross beam 3. There is a motor inside the board surface 1 for controlling the reciprocating rotation of the lead screw 5, and the opening and closing of the motor are controlled by the control buttons on the board surface 1.

[0037] When it is necessary to wipe the chalk marks on the board surface 1, control the motor to drive the lead screw 5 to rotate reciprocally. At this time, the lead screw 5 drives the cross beam 3 to move up and down reciprocally, and the cross beam 3 drives the eraser 4 to move synchronously, so as to automatically wipe the chalk marks on the board surface 1 with the eraser 4. Therefore, by setting the highly automated eraser 4, the wiping of the board surface 1 is automatically realized, without manual blackboard wiping, preventing dust from contacting the hands, and at the same time avoiding inhaling dust at close range, protecting the health of teachers, and achieving the effect of facilitating teaching.

[0038] As Figure 1 、 Figure 2 shown, the eraser 4 is rotatably arranged up and down inside the cross beam 3, and a driving mechanism 6 for controlling the reciprocating swing of the eraser 4 is arranged on the cross beam 3.

[0039] As Figure 1 、 Figure 2 shown, the driving mechanism 6 includes a rotating shaft 61, a driving gear 62, an arc gear 63 and a linkage assembly 64. The rotating shaft 61 is horizontally rotatably connected inside the cross beam 3, the driving gear 62 is arranged at intervals on the rotating shaft 61, the arc gear 63 is arranged on the eraser 4 and meshes with the driving gear 62.

[0040] As Figure 1 、 Figure 2 shown, the linkage assembly 64 includes a linkage gear 65 and a pair of linkage racks 66. The linkage gear 65 is arranged at the end of the rotating shaft 61 and is located inside the slide rail 2. A pair of linkage racks 66 are vertically arranged inside the slide rail 2 and are distributed on both sides of the linkage gear 65. The tooth keys on the linkage gear 65 are arranged at intervals, and the tooth keys on a pair of linkage gears 65 are arranged staggeredly.

[0041] When the cross beam 3 moves vertically, it will drive the rotating shaft 61 to move synchronously. At this time, under the cooperation of the linkage gear 65 and the linkage racks 66, the linkage gear 65 alternately contacts and meshes with the two linkage racks 66 reciprocally, realizing the continuous control of the forward and reverse rotation of the linkage gear 65.

[0042] Meanwhile, the linkage gear 65 controls the reciprocating rotation of the rotating shaft 61. The rotating shaft 61 drives the driving gear 62 to move synchronously and controls the swinging of the arc gear 63 and the blackboard eraser 4. Therefore, during the vertical movement of the cross beam 3 driving the blackboard eraser 4, the blackboard eraser 4 simulates the action of a human wiping something, achieving a thorough wiping of the chalk marks and ensuring the cleanliness of the blackboard surface 1.

[0043] As Figure 3 shown, a suction fan 31 is provided inside the cross beam 3, a dust suction hole 32 communicating with the upper inlet of the suction fan 31 is provided on the inner side of the cross beam 3, and a dust collector 7 at the outlet of the suction fan 31 is provided inside the cross beam 3.

[0044] As Figure 3 shown, the dust collector 7 includes an outer cover 71, a cloth cylinder 72, an air inlet pipe 73 and an air outlet pipe 74. The outer cover 71 is vertically arranged inside the cross beam 3, and the cloth cylinder 72 is vertically arranged inside the outer cover 71. The air inlet pipe 73 is arranged on the cloth cylinder 72, penetrates through the outer cover 71 and is connected to the outlet of the suction fan 31. The air outlet pipe 74 is arranged on the outer cover 71 and penetrates through the cross beam 3.

[0045] When wiping the chalk marks, the suction fan 31 works, and the dust is sucked into the suction fan 31 through the dust suction hole 32. Then the dust first enters the cloth cylinder 72 along the air inlet pipe 73. At this time, the cloth cylinder 72 blocks the dust, allowing the clean air to enter the outer cover 71 and be discharged along the air outlet pipe 74, thus achieving effective filtration of the dust, preventing the dust from floating in the air and also preventing the teacher from inhaling the dust, ensuring the cleanliness and tidiness of the classroom.

[0046] As Figure 3 shown, the air inlet pipe 73 is inserted into the outlet of the suction fan 31, and a drawer 33 for supporting the dust collector 7 is slidably connected to the cross beam 3. The lower end of the outer cover 71 is threadedly connected with a cover plate 75, a sealing plate 76 is embedded at the lower end of the cloth cylinder 72, and a connecting rod 77 is arranged between the cover plate 75 and the sealing plate 76.

[0047] When it is necessary to clean the dust accumulated in the dust collector 7, pull out the drawer 33 to disconnect the air inlet pipe 73 from the suction fan 31. Then remove the dust collector 7 from the drawer 33 and loosen the cover plate 75 to separate the cover plate 75 and the sealing plate 76 from the outer cover 71 and the cloth cylinder 72. At this time, the dust in the cloth cylinder 72 can be poured out. Finally, tighten the cover plate 75 to seal the cloth cylinder 72 with the sealing plate 76, and the assembly of the dust collector 7 can be completed. Then place the dust collector 7 in the drawer 33 and push the drawer 33 back to automatically insert the air inlet pipe 73 into the suction fan 31, achieving the quick and convenient installation of the dust collector 7.

[0048] The specific embodiments are only explanations of the present invention and do not limit the present invention. After reading this specification, those skilled in the art can make modifications to these embodiments without creative contributions as needed, but as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. An intelligent blackboard system, characterized in that: Comprising: A board surface (1) for writing and presenting electronic images; Sliding rails (2) vertically arranged on both sides of the board surface (1); A cross beam (3) horizontally arranged between a pair of the sliding rails (2) and vertically slidably connected to the sliding rails (2); An eraser (4) arranged inside the cross beam (3) and used to contact the board surface (1); A lead screw (5) vertically arranged inside the sliding rail (2) and threadedly connected to the cross beam (3); The eraser (4) is rotatably arranged up and down inside the cross beam (3), and a driving mechanism (6) for controlling the reciprocating swing of the eraser (4) is arranged on the cross beam (3); The driving mechanism (6) includes a rotating shaft (61), a driving gear (62), an arc gear (63) and a linkage assembly (64). The rotating shaft (61) is horizontally rotatably connected inside the cross beam (3). The driving gears (62) are spaced on the rotating shaft (61). The arc gear (63) is arranged on the eraser (4) and meshes with the driving gear (62). The linkage assembly (64) is arranged inside the sliding rail (2) and is used to drive the rotating shaft (61) to rotate reciprocally during the vertical movement of the cross beam (3); The linkage assembly (64) includes a linkage gear (65) and a pair of linkage racks (66). The linkage gear (65) is arranged at the end of the rotating shaft (61) and is located inside the sliding rail (2). A pair of the linkage racks (66) are vertically arranged inside the sliding rail (2) and are distributed on both sides of the linkage gear (65). The tooth keys on the linkage gear (65) are spaced, and the tooth keys on a pair of the linkage racks (66) are staggeredly distributed; An exhaust fan (31) is arranged inside the cross beam (3). Dust suction holes (32) communicating with the inlet on the exhaust fan (31) are arranged inside the cross beam (3). A dust collector (7) connecting the outlet on the exhaust fan (31) is arranged inside the cross beam (3); The dust collector (7) includes an outer cover (71), a cloth tube (72), an air inlet pipe (73) and an air outlet pipe (74). The outer cover (71) is vertically arranged inside the cross beam (3). The cloth tube (72) is vertically arranged inside the outer cover (71). The air inlet pipe (73) is arranged on the cloth tube (72), and the air inlet pipe (73) penetrates through the outer cover (71) and connects to the outlet of the exhaust fan (31). The air outlet pipe (74) is arranged on the outer cover (71) and penetrates through the cross beam (3); A cover plate (75) is threadedly connected to the lower end of the outer cover (71). A sealing plate (76) is embedded at the lower end of the cloth tube (72). A connecting rod (77) is arranged between the cover plate (75) and the sealing plate (76).

2. The intelligent blackboard system according to claim 1, wherein: The air inlet pipe (73) is inserted into the outlet of the exhaust fan (31). A drawer (33) for supporting the dust collector (7) is slidably connected to the cross beam (3).

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