CN113099701B - Optical electronic whiteboard heat abstractor - Google Patents
Optical electronic whiteboard heat abstractor Download PDFInfo
- Publication number
- CN113099701B CN113099701B CN202110437303.XA CN202110437303A CN113099701B CN 113099701 B CN113099701 B CN 113099701B CN 202110437303 A CN202110437303 A CN 202110437303A CN 113099701 B CN113099701 B CN 113099701B
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- Prior art keywords
- whiteboard
- side wall
- optical
- plate
- air
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
Abstract
The invention discloses an optical electronic whiteboard radiating device, which comprises an optical whiteboard main body, wherein a projection mechanism is arranged outside the optical whiteboard main body, and a radiating mechanism and a shading mechanism are arranged inside the optical whiteboard main body; the heat dissipation mechanism comprises an air inlet assembly, a flow guide assembly and a plurality of heat dissipation pipes arranged in the optical whiteboard, wherein a plurality of flow guide plates are arranged in the heat dissipation pipes, the flow guide assembly comprises a wind guide block arranged in the optical whiteboard main body, and two ends of the cross section of the wind guide block are arc-shaped; the optical whiteboard main body comprises a mounting plate, a whiteboard, a supporting rod and a fixed bottom plate, wherein the mounting cavity is formed in the mounting plate, the whiteboard is fixedly mounted on the inner side wall of the mounting cavity, the supporting rod is fixedly mounted on the bottom side wall of the mounting plate, the light shielding plate is perpendicular to the side wall of the mounting plate, external light can be reduced to irradiate the whiteboard through the light shielding plate, the reflection phenomenon is greatly reduced, and the display effect of the device is greatly improved.
Description
Technical Field
The invention relates to the technical field of electronic whiteboards, in particular to an optical electronic whiteboard radiating device.
Background
The optical electronic whiteboard adopts the latest optical image sensing technology, inherits the advantages of the infrared electronic whiteboard, corrects the defects, is not interfered by strong light before a screen, has high touch precision, is smooth to write, can be completely consistent with usual writing habits, and does not generate any delay;
the optical electronic whiteboard is advanced education or conference auxiliary man-machine interaction equipment, and can be matched with tools such as a projector, a computer and the like to realize functions such as dust-free writing, random writing, remote communication and the like.
The optical whiteboard is generally used in teaching and displaying work, but external light can cause the whiteboard to generate a light reflection phenomenon in the using process of the optical whiteboard, and a large amount of dust can remain on the surface of the optical board under long-time use of the whiteboard, so that projection is blurred, the displaying effect is reduced, meanwhile, the service life of the optical whiteboard can be reduced due to the high temperature in the optical whiteboard in the using process, and the displaying quality can be influenced due to noise generated during heat dissipation, so that the optical electronic whiteboard heat dissipation device is needed.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an optical electronic whiteboard radiating device.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the optical electronic whiteboard radiating device comprises an optical whiteboard main body, wherein a projection mechanism is arranged outside the optical whiteboard main body, and a radiating mechanism and a shading mechanism are arranged inside the optical whiteboard main body;
the heat dissipation mechanism comprises an air inlet assembly, a flow guide assembly and a plurality of heat dissipation pipes arranged in the optical whiteboard, wherein a plurality of flow guide plates are arranged in the heat dissipation pipes, the flow guide assembly comprises a wind guide block arranged in the optical whiteboard main body, and two ends of the cross section of the wind guide block are arc-shaped;
the optical whiteboard main body comprises a mounting plate, a whiteboard, a supporting rod and a fixing bottom plate, wherein a mounting cavity is formed in the mounting plate, the whiteboard is fixedly installed on the inner side wall of the mounting cavity, the supporting rod is fixedly installed on the bottom side wall of the mounting plate, one end, away from the mounting plate, of the supporting rod is fixedly connected with the side wall of the fixing bottom plate, a positioning cavity is formed in the mounting plate, and a sliding groove is formed in the side wall of the positioning cavity.
Preferably, the heat dissipation assembly comprises two fans, the two fans are oppositely arranged in the installation cavity, air inlet grooves are oppositely formed in the side walls of the installation plate far away from the white board, fixing shafts are fixedly arranged on the inner side walls of the air inlet grooves, and opening and closing mechanisms are arranged in the air inlet grooves.
Preferably, the opening and closing mechanism comprises two clamping blocks, the two clamping blocks are oppositely arranged on the inner side wall of the air inlet groove, a plurality of fixing shafts are fixedly arranged in the air inlet groove, an opening and closing plate is movably arranged on the side wall of each fixing shaft, and the opening and closing plate is close to the side wall of each clamping block.
Preferably, the projection mechanism comprises a bracket and a projector, wherein the bracket is fixedly arranged on the top end side wall of the mounting plate, and the projector is fixedly arranged at one end, far away from the mounting plate, of the bracket.
Preferably, the shading mechanism comprises a driving mechanism and shading cloth arranged on the side wall of the driving mechanism, the shading cloth penetrates through the sliding groove from the inside of the positioning cavity to the outside of the mounting plate, and one end, away from the driving mechanism, of the shading cloth is fixedly connected with a shading plate.
Preferably, the driving mechanism comprises a driving motor fixedly installed on the inner side wall of the positioning cavity, a driving shaft of the driving motor is fixedly connected with a roll shaft, one end of the roll shaft, which is far away from the driving motor, is movably connected with the inner side wall of the positioning cavity, the roll shaft can rotate around the inner side wall of the positioning cavity, and the shielding cloth is fixedly connected with the side wall of the roll shaft.
Preferably, a plurality of exhaust grooves are formed in the mounting plate relatively, each exhaust groove is matched with each radiating pipe, each radiating pipe is close to the whiteboard, the radiating pipes are fixedly connected to the inner side wall of the mounting cavity, and heat conduction silicone grease is arranged at the close position of each radiating pipe and the whiteboard.
Preferably, the fan is located right in front of the air inlet grooves, the movable connection part of the opening plate and the fixed shaft deviates from the geometric center of the plate, and the filter screens are fixedly installed in the two air inlet grooves.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, external air can be introduced into the mounting cavity through the air inlet groove, after the air enters the mounting cavity, the flowing direction of the air is vertical to the direction of the white board, the section of the air guide block is circular arc-shaped, so that the air vertically entering the mounting cavity can be guided, the flowing direction of the air is changed, the air can directly enter the inside of the radiating pipe, the air can be guided secondarily through the guide plate arranged in the radiating pipe, the air is in a swirl shape, noise generated when the air flows in the radiating pipe and the exhaust groove is reduced, the heat of the white board is transferred into the radiating pipe through the silicone grease, the full heat dissipation of the white board is realized in the process that the air is exhausted through the exhaust groove, and the radiating pipe and the exhaust groove are symmetrically arranged, the air exhausted through the exhaust groove can form impact on the middle part of the white board, so that the air can be blown away to the periphery of the white board, the dust attached to the white board in the use process can be cleared, and the projection picture can be generated more clearly.
2. According to the invention, the driving motor is started to drive the roller shaft to start rotating, the roller shaft is used for retracting the shielding cloth in the moving process, when the optical whiteboard is needed, the roller shaft is used for retracting the shielding cloth, the shielding cloth drives the shielding plate to move upwards, when the shielding plate moves to the sliding groove, the thickness of the shielding plate is larger than that of the sliding groove, the shielding plate is vertical to the side wall of the mounting plate, the irradiation of external light to the whiteboard can be reduced through the shielding plate, the reflection phenomenon is greatly reduced, the display effect of the device is greatly improved, when the optical whiteboard is not needed, the roller shaft is used for loosening the shielding cloth, the shielding cloth can move downwards under the action of the gravity of the shielding plate, so that the whiteboard is shielded, the external dirt is prevented from being attached to the surface of the whiteboard, and the protection effect of the whiteboard is realized.
Drawings
Fig. 1 is a front view of an optical electronic whiteboard heat dissipating device according to the present invention;
FIG. 2 is a schematic view of the structure of the present invention when not in operation;
FIG. 3 is a schematic view of the structure of the present invention in operation;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is an enlarged view of portion A of the present invention;
FIG. 6 is an enlarged view of portion B of the present invention;
FIG. 7 is an enlarged view of section C of the present invention;
fig. 8 is a cross-sectional view of a positioning chamber of the present invention.
In the figure: 1 mounting panel, 2 support, 3 projecting apparatus, 4 white board, 5 bracing piece, 6 installation cavity, 7 air guide piece, 8 shelter from cloth, 9 light screen, 10 fan, 11 positioning chamber, 12 air inlet channel, 13 fixture block, 14 fixed axle, 15 opening board, 16 filter screen, 17 sliding groove, 18 cooling tube, 19 guide plate, 20 exhaust groove, 21 roller, 22 fixed bottom plate, 23 driving motor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-8, an optical electronic whiteboard heat dissipation device comprises an optical whiteboard main body, wherein a projection mechanism is arranged outside the optical whiteboard main body, and a heat dissipation mechanism and a shading mechanism are arranged inside the optical whiteboard main body;
the heat dissipation mechanism comprises an air inlet assembly, a flow guide assembly and a plurality of heat dissipation pipes 18 arranged in the optical whiteboard, wherein a plurality of flow guide plates 19 are arranged in the heat dissipation pipes 18, the flow guide assembly comprises an air guide block 7 arranged in the optical whiteboard main body, and two ends of the cross section of the air guide block 7 are arc-shaped;
the optical whiteboard main body comprises a mounting plate 1, a whiteboard 4, a supporting rod 5 and a fixed bottom plate 22, wherein a mounting cavity 6 is formed in the mounting plate 1, the whiteboard 4 is fixedly arranged on the inner side wall of the mounting cavity 6, the supporting rod 5 is fixedly arranged on the bottom side wall of the mounting plate 1, one end, far away from the mounting plate 1, of the supporting rod 5 is fixedly connected with the side wall of the fixed bottom plate 22, a positioning cavity 11 is formed in the mounting plate 1, and a sliding groove 17 is formed in the side wall of the positioning cavity 11;
the heat dissipation assembly comprises two fans 10, the fans 10 are positioned right in front of the air inlet grooves 12, so that the outside air can be effectively extracted, the two fans 10 are oppositely arranged in the mounting cavity 6, the air inlet grooves 12 are oppositely formed in the side wall, far away from the white board 4, of the mounting plate 1, the fixed shafts 14 are fixedly arranged on the inner side walls of the two air inlet grooves 12, and the opening and closing mechanisms are arranged in the two air inlet grooves 12;
the opening and closing mechanism comprises two clamping blocks 13, the two clamping blocks 13 are oppositely arranged on the inner side wall of the air inlet groove 12, a plurality of fixed shafts 14 are fixedly arranged in the air inlet groove 12, an opening and closing plate 15 is movably arranged on the side wall of the fixed shafts 14, the opening and closing plate 15 is close to the side wall of the clamping blocks 13, the movable connecting part of the opening and closing plate 15 and the fixed shafts 14 is deviated from the geometric center of the plywood 15, when the air impact is received, the two sides of the opening and closing plate 15 are unbalanced in stress due to the fact that the fixed shafts 14 are deviated from the geometric center of the plywood 15, the opening and closing plate 15 starts to rotate, the opening of the air inlet groove 12 is achieved, the opening and closing plate 15 reversely rotates under the action of gravity of the self and is clamped with the side wall of the clamping blocks 13, the air inlet groove 12 is closed, a filter screen 16 is fixedly arranged in the two air inlet grooves 12, and dust in the air is prevented from entering the inside the installation cavity 6 through the filter screen 16;
the projection mechanism comprises a support 2 and a projector 3, the support 2 is fixedly arranged on the top end side wall of the mounting plate 1, the projector 3 is fixedly arranged at one end, far away from the mounting plate 1, of the support 2, the shading mechanism comprises a driving mechanism and shading cloth 8 arranged on the side wall of the driving mechanism, the shading cloth 8 penetrates to the outside of the mounting plate 1 from the inside of the positioning cavity 11 through a sliding groove 17, and one end, far away from the driving mechanism, of the shading cloth 8 is fixedly connected with a shading plate 9;
the actuating mechanism includes fixed mounting driving motor 23 on the inside lateral wall of location chamber 11, driving motor 23's drive shaft fixedly connected with roller 21, the one end that driving motor 23 was kept away from to roller 21 and the inside lateral wall swing joint of location chamber 11, roller 21 can rotate around the inside lateral wall of location chamber 11, shelter from cloth 8 and the lateral wall fixed connection of roller 21, a plurality of exhaust grooves 20 have been seted up relatively to the inside of mounting panel 1, every exhaust groove 20 all with every cooling tube 18 assorted, cooling tube 18 is pressed close to with whiteboard 4 mutually, cooling tube 18 fixed connection is on the inside lateral wall of installation chamber 6, cooling tube 18 is equipped with the heat conduction silicone grease with the department of pressing close to of whiteboard 4.
In the invention, when the device is used, the driving motor 23 is started, the driving motor 23 drives the roller shaft 21 to start rotating, the roller shaft 21 realizes shrinkage of the shielding cloth 8 in the rotating process, the shielding cloth 8 drives the light shielding plate 9 to move upwards, when the light shielding plate 9 moves to the sliding groove 17, the thickness of the light shielding plate 9 is larger than that of the sliding groove 17, so that the light shielding plate 9 is vertical to the side wall of the mounting plate 1, the irradiation of external light to the whiteboard 4 can be reduced through the light shielding plate 9, the reflection phenomenon is greatly reduced, and the display effect of the device is greatly improved;
starting the projector 3, the projector 3 can project an external picture to be output onto the surface of the whiteboard 4, a control system in the whiteboard 4 can operate the position clicked by hands, the whiteboard 4 can generate a large amount of heat in a real-time operation process, the fan 10 is started, the fan 10 can guide the external air into the installation cavity 6 through the air inlet groove 12, wind power can impact the opening plate 15, the fixed shaft 14 is deviated from the geometric center of the plate 15, so that the stress on two sides of the opening plate 15 is unbalanced, the opening plate 15 starts to rotate, the opening of the air inlet groove 12 is realized, after the air enters the inside of the installation cavity 6, the flowing direction of the air is perpendicular to the direction of the whiteboard 4, and the air which vertically enters the inside of the installation cavity 6 can be guided by the circular arc-shaped section of the air guide block 7, so that the air can directly enter the inside of the air pipe 18, the air can be secondarily guided by the air guide plate 19 arranged in the inside the air inlet groove 18, the air can be in a spiral flow shape, the air can be reduced, the air can flow in the spiral shape when the air flows out of the white board 20 and the white board is blown out of the white board 4, and the white board is fully arranged in the air channel 4, and the white board is fully discharged from the air channel 4 through the air channel 20, and the white board is fully arranged in the air channel 4, and the white board is blown out of the white board 4, and the white board is fully in the air channel 20, and the dust is discharged through the white board and the air channel 20, and the white board is fully due to the air channel 20;
after the optical whiteboard uses, the driving motor 23 is started to reversely rotate again, the roller shaft 21 loosens the shielding cloth 8, the shielding cloth 8 moves downwards under the action of gravity of the light shielding plate 9, shielding of the whiteboard 4 is achieved, external stains are prevented from adhering to the surface of the whiteboard 4, the protection effect of the whiteboard 4 is achieved, and meanwhile the opening plate 15 reversely rotates under the action of gravity and is clamped with the side wall of the clamping block 13 to close the air inlet groove 12.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (2)
1. The optical electronic whiteboard radiating device is characterized by comprising an optical whiteboard main body, wherein a projection mechanism is arranged outside the optical whiteboard main body, and a radiating mechanism and a shading mechanism are arranged inside the optical whiteboard main body;
the heat dissipation mechanism comprises an air inlet assembly, a flow guide assembly and a plurality of heat dissipation pipes (18) arranged in the optical whiteboard, wherein a plurality of flow guide plates (19) are arranged in the heat dissipation pipes (18), the flow guide assembly comprises an air guide block (7) arranged in the optical whiteboard main body, and two ends of the cross section of the air guide block (7) are arc-shaped;
the optical whiteboard main body comprises a mounting plate (1), a whiteboard (4), a supporting rod (5) and a fixed bottom plate (22), wherein a mounting cavity (6) is formed in the mounting plate (1), the whiteboard (4) is fixedly installed on the inner side wall of the mounting cavity (6), the supporting rod (5) is fixedly installed on the bottom side wall of the mounting plate (1), one end, far away from the mounting plate (1), of the supporting rod (5) is fixedly connected with the side wall of the fixed bottom plate (22), a positioning cavity (11) is formed in the mounting plate (1), and a sliding groove (17) is formed in the side wall of the positioning cavity (11);
the heat dissipation assembly comprises two fans (10), the two fans (10) are oppositely arranged in the installation cavity (6), air inlet grooves (12) are oppositely formed in the side walls of the installation plate (1) far away from the white board (4), fixed shafts (14) are fixedly arranged on the inner side walls of the two air inlet grooves (12), and opening and closing mechanisms are arranged in the two air inlet grooves (12);
the section of the air guide block (7) is arc-shaped, so that air vertically entering the installation cavity (6) can be guided, the flow direction of the air is changed, the air directly enters the radiating pipe (18), and the air can be secondarily guided through the guide plate (19) arranged in the radiating pipe (18), so that the air is in a swirl shape;
the opening and closing mechanism comprises two clamping blocks (13), the two clamping blocks are oppositely arranged on the inner side wall of the air inlet groove (12), a plurality of fixed shafts (14) are fixedly arranged in the air inlet groove (12), an opening and closing plate (15) is movably arranged on the side wall of each fixed shaft (14), and the opening and closing plate (15) is close to the side wall of each clamping block (13);
the projection mechanism comprises a bracket (2) and a projector (3), wherein the bracket (2) is fixedly arranged on the top end side wall of the mounting plate (1), and the projector (3) is fixedly arranged at one end, far away from the mounting plate (1), of the bracket (2);
the shading mechanism comprises a driving mechanism and shading cloth (8) arranged on the side wall of the driving mechanism, the shading cloth (8) penetrates through the inside of the positioning cavity (11) to the outside of the mounting plate (1) through a sliding groove (17), and one end, far away from the driving mechanism, of the shading cloth (8) is fixedly connected with a shading plate (9);
the driving mechanism comprises a driving motor (23) fixedly arranged on the inner side wall of the positioning cavity (11), a driving shaft of the driving motor (23) is fixedly connected with a roll shaft (21), one end, far away from the driving motor (23), of the roll shaft (21) is movably connected with the inner side wall of the positioning cavity (11), the roll shaft (21) can rotate around the inner side wall of the positioning cavity (11), and the shielding cloth (8) is fixedly connected with the side wall of the roll shaft (21);
a plurality of exhaust grooves (20) are formed in the mounting plate (1) relatively, each exhaust groove (20) is matched with each radiating pipe (18), each radiating pipe (18) is close to the whiteboard (4), the radiating pipes (18) are fixedly connected to the inner side wall of the mounting cavity (6), and heat-conducting silicone grease is arranged at the close position of each radiating pipe (18) and the whiteboard (4);
the radiating pipe (18) and the exhaust groove (20) are symmetrically arranged.
2. The optical electronic whiteboard radiating arrangement according to claim 1, wherein the fan (10) is located right in front of the air inlet grooves (12), the movable connection part of the opening plate (15) and the fixed shaft (14) deviates from the geometric center of the opening plate (15), and the filter screen (16) is fixedly installed inside each air inlet groove (12).
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CN202110437303.XA CN113099701B (en) | 2021-04-22 | 2021-04-22 | Optical electronic whiteboard heat abstractor |
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CN202110437303.XA CN113099701B (en) | 2021-04-22 | 2021-04-22 | Optical electronic whiteboard heat abstractor |
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CN113099701A CN113099701A (en) | 2021-07-09 |
CN113099701B true CN113099701B (en) | 2023-09-26 |
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