CN113099701A - Optical electronic whiteboard heat dissipation device - Google Patents
Optical electronic whiteboard heat dissipation device Download PDFInfo
- Publication number
- CN113099701A CN113099701A CN202110437303.XA CN202110437303A CN113099701A CN 113099701 A CN113099701 A CN 113099701A CN 202110437303 A CN202110437303 A CN 202110437303A CN 113099701 A CN113099701 A CN 113099701A
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- Prior art keywords
- heat dissipation
- whiteboard
- side wall
- optical
- air inlet
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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 a heat dissipation device of an optical electronic whiteboard, which 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 arranged inside the optical whiteboard, a plurality of flow guide plates are arranged inside the heat dissipation pipes, the flow guide assembly comprises a wind guide block arranged inside 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, an installation cavity is formed in the mounting plate, the whiteboard is fixedly mounted on the inner side wall of the installation 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, irradiation of external light to the whiteboard can be reduced 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 a heat dissipation device of an optical electronic whiteboard.
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 in front of a screen, has high touch precision and smooth writing, can completely accord with ordinary 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 dustless writing, random writing, remote communication and the like.
The optics blank is generally used in teaching and show work, but external light can make the blank reflection of light phenomenon appear in the use of optics blank, a large amount of dusts can be remained on the surface of blank under long-time use for the projection is fuzzy, reduce the bandwagon effect, the inside high temperature of while optics blank in-process that uses can reduce the life of optics blank, and the noise that produces when dispelling the heat also can influence the quality of show, consequently needs an optics whiteboard heat abstractor.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a heat dissipation device for an optical electronic whiteboard.
In order to achieve the purpose, the invention adopts the following technical scheme:
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 radiating mechanism comprises an air inlet assembly, a flow guide assembly and a plurality of radiating pipes arranged in the optical whiteboard, a plurality of flow guide plates are arranged in the radiating 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 optics blank main part includes mounting panel, blank, bracing piece, PMKD, the installation cavity has been seted up to the inside of mounting panel, blank fixed mounting is in on the inside lateral wall of installation cavity, bracing piece fixed mounting is on the bottom lateral wall of mounting panel, the bracing piece is kept away from the one end of mounting panel and PMKD's lateral wall fixed connection, the location chamber has been seted up to the inside of mounting panel, the sliding tray has been seted up on the lateral wall in location chamber.
Preferably, the heat dissipation assembly comprises two fans, wherein the fans are oppositely arranged in the installation cavity, the side wall of the installation plate away from the white board is provided with air inlet grooves, the side wall of the installation plate is provided with a fixing shaft, and the inside of each air inlet groove is provided with an opening and closing mechanism.
Preferably, the mechanism that opens and shuts includes two fixture blocks, two set up relatively on the inside lateral wall of air inlet duct, the inside fixed mounting of air inlet duct has a plurality of fixed axles, the activity is provided with the opening and shutting board on the lateral wall of fixed axle, the opening and shutting board is pressed close to mutually with the lateral wall of fixture block.
Preferably, the projection mechanism comprises a support and a projector, the support is fixedly mounted on the side wall of the top end of the mounting plate, and the projector is fixedly mounted at one end, far away from the mounting plate, of the support.
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 inside of the positioning cavity to the outside of the mounting plate through a sliding groove, and one end, far away from the driving mechanism, of the shading cloth is fixedly connected with a shading plate.
Preferably, actuating mechanism includes the driving motor of fixed mounting on the inside lateral wall of location chamber, driving motor's drive shaft fixedly connected with roller, driving motor's one end and the inside lateral wall swing joint in location chamber are kept away from to the roller, the roller can rotate around the inside lateral wall in location chamber, block up the lateral wall fixed connection of cloth and roller.
Preferably, the inside of mounting panel is opened relatively and is equipped with a plurality of air discharge ducts, every the air discharge duct all with every the cooling tube phase-match, the cooling tube with the blank is pressed close to mutually, cooling tube fixed connection is on the inside lateral wall of installation cavity, the cooling tube is equipped with heat conduction silicone grease with the department of pressing close to of blank.
Preferably, the fan is located the dead ahead of air inlet duct, the swing joint department of cut close board and fixed axle deviates from the geometric center of cut close board, two the inside of air inlet duct is all fixed mounting has the filter screen.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can lead the outside air into the installation cavity through the air inlet groove by the fan, after the air enters into the installation cavity, the flowing direction of the air is vertical to the direction of the white board, because the section of the air guide block is in the shape of circular arc, the air which vertically enters into the installation cavity can be guided, the flowing direction of the air is changed, the air directly enters into the radiating pipe, the air can be guided for the second time by the guide plate arranged in the radiating pipe, the air is in the shape of cyclone, the noise generated when the air flows in the radiating pipe and the exhaust groove is reduced, and the silicone grease is arranged between the radiating pipe and the white board, the heat of the white board is transmitted into the radiating pipe by the silicone grease, thereby the white board is fully radiated 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 discharged through the exhaust duct can form the striking in the middle part of blank for the air blows off towards the blank all around, can clear away the adnexed dust of blank in the use, makes the picture that the projection generated more clear.
2. The invention starts the driving motor which drives the roll shaft to start rotating, the roll shaft realizes the retraction of the shielding cloth in the moving process, when the optical white board is needed, the roller shaft contracts the shielding cloth, the shielding cloth drives the light shielding plate to move upwards, when the light shielding plate moves to the sliding groove, because the thickness of the shading plate is larger than that of the sliding groove, the shading plate is vertical to the side wall of the mounting plate, the irradiation of external light to the white board can be reduced through the light shading plate, the reflection phenomenon is greatly reduced, the display effect of the device is greatly improved, when the optical white board is not needed, the roller shaft loosens the shielding cloth, the shielding cloth can move downwards under the action of the self gravity of the shading plate, therefore, the white board is shielded, external stains are prevented from being attached to the surface of the white board, and the white board is protected.
Drawings
Fig. 1 is a front view of an optical electronic whiteboard heat dissipation device according to the present invention;
FIG. 2 is a schematic illustration of the non-operative configuration of the present invention;
FIG. 3 is a schematic structural view 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 portion C of the present invention;
fig. 8 is a cross-sectional view of a positioning chamber of the present invention.
In the figure: the device comprises a mounting plate 1, a support 2, a projector 3, a white plate 4, a support rod 5, a mounting cavity 6, an air guide block 7, shielding cloth 8, a light screen 9, a fan 10, a positioning cavity 11, an air inlet groove 12, a clamping block 13, a fixed shaft 14, an open-close plate 15, a filter screen 16, a sliding groove 17, a radiating pipe 18, a guide plate 19, an air exhaust groove 20, a roller shaft 21, a fixed bottom plate 22 and a driving motor 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-8, an optical electronic whiteboard heat dissipation device includes an optical whiteboard main body, a projection mechanism disposed outside the optical whiteboard main body, and a heat dissipation mechanism and a shading mechanism disposed 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 inside the optical whiteboard, a plurality of flow guide plates 19 are arranged inside the heat dissipation pipes 18, the flow guide assembly comprises a wind guide block 7 arranged inside the optical whiteboard main body, and two ends of the cross section of the wind 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 mounted on the inner side wall of the mounting cavity 6, the supporting rod 5 is fixedly mounted on the bottom end side wall of the mounting plate 1, one end, 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 outside air can be effectively extracted, the two fans 10 are oppositely arranged inside the mounting cavity 6, the air inlet grooves 12 are oppositely formed in the side wall, away from the white board 4, of the mounting plate 1, 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 inside the two air inlet grooves 12;
the opening and closing mechanism comprises two clamping blocks 13 which are oppositely arranged on the inner side wall of the air inlet groove 12, a plurality of fixing shafts 14 are fixedly arranged in the air inlet groove 12, an opening plate 15 is movably arranged on the side wall of the fixing shaft 14, the opening plate 15 is close to the side wall of the clamping blocks 13, the movable connection part of the opening plate 15 and the fixing shaft 14 deviates from the geometric center of the opening plate 15, when the opening and closing mechanism is impacted by wind power, the two sides of the opening plate 15 are unbalanced in stress, the opening plate 15 starts to rotate, the air inlet groove 12 is opened, after the optical white board is used, the opening plate 15 can reversely rotate under the action of self gravity 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 can be filtered through the filter screen 16, dust is prevented from entering the interior of the mounting chamber 6;
the projection mechanism comprises a support 2 and a projector 3, the support 2 is fixedly arranged on the side wall of the top end 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 from the inside of the positioning cavity 11 to the outside of the mounting plate 1 through a sliding groove 17, and a shading plate 9 is fixedly connected to one end, far away from the driving mechanism, of the shading cloth 8;
actuating mechanism includes driving motor 23 of fixed mounting on the inside lateral wall of location chamber 11, driving motor 23's drive shaft fixedly connected with roller 21, driving motor 23's one end and the inside lateral wall swing joint of location chamber 11 are kept away from to roller 21, roller 21 can rotate around the inside lateral wall of location chamber 11, shelter from cloth 8 and roller 21's lateral wall fixed connection, the inside of mounting panel 1 is opened relatively and is equipped with a plurality of air discharge ducts 20, every air discharge duct 20 all with every cooling tube 18 phase-match, cooling tube 18 is pressed close to mutually with blank 4, 18 fixed connection of cooling tube is on the inside lateral wall of mounting chamber 6, 18 and blank 4's the department of pressing close to of cooling tube 18 are equipped with heat conduction silicone grease.
In the invention, when the device is used, the driving motor 23 is started, the driving motor 23 drives the roll shaft 21 to start rotating, the roll shaft 21 realizes the contraction 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 white board 4 can be reduced through the light shielding plate 9, the light reflection phenomenon is greatly reduced, and the display effect of the device is greatly improved;
the projector 3 is started, the projector 3 can project the external picture to be output to the surface of the whiteboard 4, the control system in the whiteboard 4 can operate the position clicked by a human hand, the whiteboard 4 can generate a large amount of heat in the 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, the wind power can impact the opening plate 15, the fixed shaft 14 deviates from the geometric center of the opening plate 15, so that the two sides of the opening plate 15 are unbalanced in stress, the opening plate 15 starts to rotate, the opening of the air inlet groove 12 is realized, after the air enters the installation cavity 6, the flowing direction of the air is vertical to the direction of the whiteboard 4, the section of the air guide block 7 is arc-shaped, and the air vertically entering the installation cavity 6 can be guided, and the flowing direction of the air is changed, the air directly enters the radiating pipe 18, secondary flow guiding can be carried out on the air through the flow guide plate 19 arranged inside the radiating pipe 18, the air is in a cyclone shape, noise generated when the air flows in the radiating pipe 18 and the exhaust groove 20 is reduced, silicone grease is arranged between the radiating pipe 18 and the white board 4, heat exchange can be carried out on the heat generated by the white board 4 through the air, the air flows into the mounting cavity 6 and is exhausted through the exhaust groove 20, the white board 4 is fully dissipated, and the air exhausted through the exhaust groove 20 can impact the middle part of the white board 4 due to the fact that the radiating pipe 18 and the exhaust groove 20 are symmetrically arranged, the air is blown away towards the periphery of the white board 4, dust attached to the white board 4 in the using process can be removed, and a picture generated by projection is clearer;
after the optics blank uses, 23 antiport of restart driving motor, the roller 21 relaxes sheltering from cloth 8, can with make under the effect of light screen 9 self gravity shelter from cloth 8 downstream, and then realize sheltering from whiteboard 4, avoid external spot to adhere to whiteboard 4's surface, realize the guard action to whiteboard 4, open-close plate 15 is at the effect of self gravity can the antiport and think the chucking with the lateral wall of fixture block 13 simultaneously, the realization is to the closure of air inlet duct 12.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The optical electronic whiteboard heat dissipation device is characterized by comprising 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 radiating mechanism comprises an air inlet assembly, a flow guide assembly and a plurality of radiating pipes (18) arranged in the optical whiteboard, a plurality of flow guide plates (19) are arranged in the radiating 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 optics blank main part includes mounting panel (1), blank (4), bracing piece (5), PMKD (22), installation cavity (6) have been seted up to the inside of mounting panel (1), blank (4) fixed mounting be in on the inside lateral wall of installation cavity (6), bracing piece (5) fixed mounting is on the bottom lateral wall of mounting panel (1), the lateral wall fixed connection of the one end of mounting panel (1) and PMKD (22) is kept away from in bracing piece (5), location chamber (11) have been seted up to the inside of mounting panel (1), sliding tray (17) have been seted up on the lateral wall in location chamber (11).
2. The optical electronic whiteboard heat dissipation device according to claim 1, wherein the heat dissipation assembly comprises two fans (10), the two fans (10) are oppositely disposed inside the mounting cavity (6), the side wall of the mounting plate (1) far away from the whiteboard (4) is provided with air inlet grooves (12) in a relatively opened manner, the inner side wall of each air inlet groove (12) is fixedly provided with a fixed shaft (14), and the inside of each air inlet groove (12) is provided with an opening and closing mechanism.
3. The optical electronic whiteboard heat dissipation device as claimed in claim 2, wherein the opening and closing mechanism comprises two clamping blocks (13), the two clamping blocks are oppositely disposed on the inner side wall of the air inlet groove (12), a plurality of fixing shafts (14) are fixedly mounted inside the air inlet groove (12), an opening and closing plate (15) is movably disposed on the side wall of the fixing shaft (14), and the opening and closing plate (15) is close to the side wall of the clamping block (13).
4. The optical electronic whiteboard heat dissipation device according to claim 3, wherein the projection mechanism comprises a bracket (2) and a projector (3), the bracket (2) is fixedly installed on the top side wall of the mounting plate (1), and the projector (3) is fixedly installed at one end of the bracket (2) far away from the mounting plate (1).
5. The heat dissipation device for the optical electronic whiteboard of claim 4, wherein the shading mechanism comprises a driving mechanism and a shading cloth (8) arranged on a side wall of the driving mechanism, the shading cloth (8) penetrates from the inside of the positioning cavity (11) to the outside of the mounting plate (1) through a sliding groove (17), and a shading plate (9) is fixedly connected to one end of the shading cloth (8) far away from the driving mechanism.
6. The optical electronic whiteboard heat dissipation device according to claim 5, wherein the driving mechanism comprises a driving motor (23) fixedly mounted on the inner side wall of the positioning cavity (11), a driving shaft of the driving motor (23) is fixedly connected with a roller shaft (21), one end of the roller shaft (21) far away from the driving motor (23) is movably connected with the inner side wall of the positioning cavity (11), the roller 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 roller shaft (21).
7. The optical electronic whiteboard heat dissipation device as claimed in claim 6, wherein a plurality of exhaust grooves (20) are oppositely formed inside the mounting plate (1), each exhaust groove (20) is matched with each heat dissipation pipe (18), the heat dissipation pipes (18) are closely attached to the whiteboard (4), the heat dissipation pipes (18) are fixedly connected to the inner side wall of the mounting cavity (6), and heat conduction silicone grease is arranged at the close position of the heat dissipation pipes (18) and the whiteboard (4).
8. The heat dissipation device for the optical electronic whiteboard as defined in claim 7, wherein the fan (10) is located right in front of the air inlet slots (12), the movable connection position of the opening plate (15) and the fixed shaft (14) deviates from the geometric center of the opening plate (15), and a filter screen (16) is fixedly installed inside each of the two air inlet slots (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110437303.XA CN113099701B (en) | 2021-04-22 | 2021-04-22 | Optical electronic whiteboard heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110437303.XA CN113099701B (en) | 2021-04-22 | 2021-04-22 | Optical electronic whiteboard heat abstractor |
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| CN113099701A true CN113099701A (en) | 2021-07-09 |
| CN113099701B CN113099701B (en) | 2023-09-26 |
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| CN113099701B (en) | 2023-09-26 |
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