CN112767743A - LCD projection arrangement based on music teaching is with reducing external dust erosion - Google Patents
LCD projection arrangement based on music teaching is with reducing external dust erosion Download PDFInfo
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- CN112767743A CN112767743A CN202110039676.1A CN202110039676A CN112767743A CN 112767743 A CN112767743 A CN 112767743A CN 202110039676 A CN202110039676 A CN 202110039676A CN 112767743 A CN112767743 A CN 112767743A
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- projection device
- placing box
- wall
- lcd
- lcd projection
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
- G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/145—Housing details, e.g. position adjustments thereof
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B15/00—Teaching music
Abstract
An LCD projection device for reducing external dust erosion based on music teaching comprises a fixed top seat; the fixed top seat is designed into a circular disc-shaped structure; the bottom side of the fixed top seat is rotatably provided with a fixed frame; the lower side of the fixed frame is rotatably provided with a projection device placing box; the inboard of projection arrangement placing box is provided with the mounting bracket, and places on the mounting bracket and install LCD projection arrangement. This projection arrangement that reduces external dust erosion is equipped with based on music teaching places all fixedly on the upper and lower both sides inner wall of case and is provided with the heat conduction bag, and the heat conduction bag is soft material and makes, and heat conduction bag and fin communicate each other, and heat conduction heat dissipation liquid is filled equally to the inboard of heat conduction bag, the design of heat conduction bag does benefit to better inseparabler and LCD projection arrangement upper and lower two wall contact, thereby better absorb the inboard heat of LCD projection arrangement, so that distribute away through the fin, effectively improve LCD projection arrangement heat dissipation rate and effect.
Description
Technical Field
The invention relates to the technical field of music teaching auxiliary equipment, in particular to an LCD projection device for reducing external dust erosion based on music teaching.
Background
In modern offices where high efficiency and fast pace are pursued today, a projector as a new office equipment user can see its shadow everywhere. The projector can be applied to temporary conferences, technical lectures, network centers and command and monitoring centers, can be connected with computers, workstations and the like, or can be connected with video recorders, televisions, video disc players, physical exhibition stands and the like, so that the projector is a large-screen image device with wide application; among them, the LCD projection device is a projection device frequently used in teaching.
A projector dust-proof device of patent retrieval prior patent No. CN 102636945B includes a first elastic fastening cover, a second elastic fastening cover, an elastic connecting member, a first elastic sealing member and a second elastic sealing member. The first elastic fastening cover is sleeved on the shell of the projector; the second elastic fastening cover is sleeved on the lens cone of the projection lens; one end of the first elastic sealing element is connected with the first elastic fastening cover, the other end of the first elastic sealing element is connected with the elastic connecting piece, and a plurality of first folds distributed along the axial direction of the projection lens are formed on the first elastic sealing element; one end of the second elastic sealing element is connected with the second elastic fastening cover, the other end of the second elastic sealing element is connected with one side, far away from the first elastic sealing element, of the elastic connecting element, and a plurality of second folds distributed along the radial direction of the projection lens are formed in the second elastic sealing element. The dustproof device of the projector can better seal the gap between the projection lens and the lens hole, thereby effectively preventing dust; and no acting force is generated on the projection lens, so that the projection effect of the projector is better.
The invention with the patent number of CN110748765A relates to the technical field of multimedia, and discloses a dustproof height-adjustable projector which comprises a top plate, wherein a side plate is arranged on the lower surface of the top plate, a driving motor is arranged in the middle of the top plate, an output shaft of the driving motor is fixedly connected with a first belt wheel, the first belt wheel is connected with a second belt wheel through a belt, the second belt wheel is fixedly connected with the middle of a main shaft, a third bevel gear is arranged at the left end of the main shaft, the third bevel gear is meshed with a fourth bevel gear, the fourth bevel gear is fixedly connected with the end part of a rotating shaft, winding wheels are arranged on the front side and the rear side of the rotating shaft, a lifting rope is arranged outside the winding wheels, the lower end. The dustproof height-adjustable projector is suitable for a dustproof height-adjustable projector, and due to the fact that the side plates and the bottom plate are arranged, when the bottom plate drives the projector to move upwards, the projector can be completely sealed through the side plates, the bottom plate and the top plate, and it is guaranteed that external dust cannot affect the normal use of the projector.
Based on the above, the inventor finds that the existing LCD projection device for teaching based on music is relatively traditional in structural design, so that the dustproof effect is poor, the existing mode for improving the dustproof effect is to arrange a dustproof box outside in a sealing mode, the mode reduces the heat dissipation performance although the improved dustproof effect is achieved, so that the use effect of the projection device is influenced, the service life of the projection device is shortened, if a heat dissipation fan is added, the risk that dust enters can be increased, a large amount of dust can be adsorbed in a place where the heat dissipation fan is added, so that the risk that the dust erodes the projection device is increased, the heat dissipation effect can be influenced due to the obstruction of the dust, the existing projection device is mostly installed on the roof of a room, and the use, adjustment and maintenance are extremely inconvenient.
Therefore, the LCD projection device for reducing the external dust erosion based on the music teaching is provided by researching and improving the existing structure and the defects so as to achieve the aim of higher practical value.
Disclosure of Invention
The invention aims to provide an LCD projection device capable of reducing external dust erosion based on music teaching, and the LCD projection device is used for solving the problems that the structural design provided in the background technology is more traditional, so that the dustproof effect is poor, the existing mode for improving the dustproof effect is to arrange a dustproof box in a sealing mode at the outer side, the mode reduces the heat dissipation performance despite the improved dustproof effect, so that the using effect of the projection device is influenced, the service life of the projection device is shortened, if a heat dissipation fan is added, the risk of dust entering is increased, a large amount of dust is adsorbed at the place where the heat dissipation fan is added, so that the risk of dust erosion on the projection device is increased, the heat dissipation effect is also influenced by dust obstruction, and the existing projection device is mostly arranged on the indoor top wall, so that the use, adjustment and maintenance are extremely inconvenient.
The invention is based on the purpose and the effect of the LCD projection device for reducing the erosion of the external dust for music teaching, and is achieved by the following specific technical means:
the LCD projection device for reducing the external dust erosion based on the music teaching comprises a fixed top seat; the fixed top seat is designed in a circular disc-shaped structure, and is fixed on the inner wall of the roof of a music classroom in advance; the bottom side of the fixed top seat is rotatably provided with a fixed frame; the lower side of the fixed frame is rotatably provided with a projection device placing box; a liquid filling opening is formed in the side wall of the projection device placing box; a sealing glass cover is arranged on the front side of the projection device placing box; the inboard of projection arrangement placing box is provided with the mounting bracket, and places on the mounting bracket and install LCD projection arrangement.
Furthermore, the fixed footstock is a lifting device, the inner side of the fixed footstock is provided with a shear type lifting frame which can be lifted and folded, and the lifting frame is electrically controlled by a micro driving motor and a driving screw rod.
Furthermore, the radiating fins are arranged at a plurality of positions in an equidistant mode and made of aluminum materials, the radiating fins are symmetrically arranged on the upper outer wall and the lower outer wall of the projection device placing box in the vertical direction, and heat conducting and radiating liquid is filled in the inner sides of the radiating fins.
Furthermore, the heat dissipation device is provided with two positions, the heat dissipation device is symmetrically arranged on the upper outer wall and the lower outer wall of the projection device placing box, and the heat dissipation fans arranged on the inner side of the heat dissipation device correspond to the end heads of one side of the heat dissipation fins.
Furthermore, heat conduction bags made of soft materials are fixedly arranged on the inner walls of the upper side and the lower side of the projection device placing box, the heat conduction bags are communicated with the radiating fins, and heat conduction radiating liquid is filled in the inner sides of the heat conduction bags.
Furthermore, a liquid filling opening is formed in the side wall of the projection device containing box and communicated with the heat conducting bag, a liquid filling column of the liquid filling opening is made of transparent glass materials, and a one-way valve structure is arranged at the opening of the liquid filling opening.
Furthermore, the front side mouth portion of the projection device placing box is provided with a sliding groove, a sealing glass cover is installed in the sliding groove in an embedded mode in a sliding mode, sealing rubber strips are arranged in an installation groove of the sealing glass cover, a magnetic attraction structure is arranged on a frame on the outer side of the sealing glass cover, and the sealing glass cover can be magnetically attracted to the side wall of the projection device placing box.
Furthermore, the mounting rack is arranged on the inner side of the projection device placing box in a sliding mode through a drawer, and a large rectangular heat dissipation groove is formed in the bottom side of the mounting rack.
Compared with the prior structure, the invention has the following beneficial effects:
the fixed footstock that is equipped with is liftable device, and the inboard of fixed footstock is provided with the folding formula crane of cutting of liftable to this crane passes through miniature driving motor and drive screw electric control, and this over-and-under type structural design is favorable to placing the case through the oscilaltion setting control projection arrangement and reciprocates, thereby makes the staff just can adjust the maintenance to this LCD projection arrangement from the underground, has effectively improved the convenience and the maintenance security of adjusting the maintenance to LCD projection arrangement.
The radiating fin that is equipped with is the equidistance and arranges and be provided with many places, and the radiating fin adopts aluminium system material to make, radiating fin longitudinal symmetry sets up on two upper and lower outer walls of box are placed to projection arrangement to the inboard packing of radiating fin has heat conduction heat dissipation liquid, and being provided with of radiating fin does benefit to better dispelling the heat, thereby improves LCD projection arrangement radiating effect, improves LCD projection arrangement's performance.
The heat dissipation device is provided with two positions, the heat dissipation device is symmetrically arranged on the upper outer wall and the lower outer wall of the projection device placing box, the heat dissipation fan arranged on the inner side of the heat dissipation device corresponds to one side end of the heat dissipation fin, and the design of the heat dissipation fan is beneficial to blowing and heat dissipation of the heat dissipation fin, so that the heat dissipation effect of the heat dissipation fin is accelerated, and the heat dissipation performance is effectively improved.
The upper and lower both sides inner wall that the projection arrangement placed the case that is equipped with all fixedly is provided with the heat conduction bag on, and the heat conduction bag is soft material and makes, and heat conduction bag and fin intercommunication each other, and the inboard of heat conduction bag is filled heat conduction heat dissipation liquid equally, the design of heat conduction bag is favorable to better inseparabler and LCD projection arrangement upper and lower two wall contact, thereby the better absorbs the inboard heat of LCD projection arrangement, so that distribute away through the fin, effectively improve LCD projection arrangement heat dissipation rate and effect.
The projection arrangement that is equipped with places and is provided with a filling opening on the lateral wall of case, and the filling opening is linked together with heat conduction bag, the liquid feeding post of filling opening adopts the clear glass material to make, and the oral area of filling opening is provided with the check valve structure in addition, and the design of clear liquid feeding post is favorable to the capacity of the inboard heat conduction liquid of better observation heat conduction bag and fin to timely interpolation, the design of check valve is favorable to better liquid feeding moreover, prevents effectively that liquid from spilling at the in-process of liquid feeding moreover.
The front side mouth portion that the case was placed to projection arrangement that is equipped with is provided with a spout, and the inboard slip embedding of spout installs sealed glass cover, all do joint strip setting in the mounting groove of sealed glass cover, and be provided with the magnetism on the outside frame of sealed glass cover and inhale the structure to but sealed glass cover magnetism is inhaled on the lateral wall that the case was placed to projection arrangement, and this structure is favorable to sealing inboard LCD projection arrangement, thereby effectively prevents the erosion of dust to LCD projection arrangement, and the sealed glass cover of transparent glass material can not influence LCD projection arrangement's projection and use.
The mounting bracket that is equipped with adopts the drawer type to slide and sets up in the inboard that projection arrangement placed the case, and the bottom side of mounting bracket has seted up the great rectangle radiating groove of a department, and the design of this structure is favorable to better installing LCD projection arrangement, and the bottom side radiating groove of mounting bracket is favorable to the better LCD projection arrangement diapire that contacts with of heat conduction bag moreover to better dispel the heat to LCD projection arrangement.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present invention in use;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of a three-dimensional structure of the invention in a service state;
FIG. 4 is a schematic view of a rear three-dimensional structure of the present invention in a service condition;
FIG. 5 is a schematic view of a three-dimensional overhead structure of the present invention in a service state;
FIG. 6 is a schematic three-dimensional structure of the present invention in an installed state;
FIG. 7 is a front view of the present invention;
fig. 8 is a schematic view of the three-dimensional bottom structure of the present invention in the installed state.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. fixing the top seat; 2. a fixed mount; 3. a heat sink; 4. a projection device placement box; 5. sealing the glass cover; 6. a liquid filling port; 7. a heat sink; 8. a mounting frame; 9. an LCD projection device; 10. a thermally conductive pouch.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides an LCD projection device for reducing external dust erosion based on music teaching, which comprises: fixing the top seat 1; the fixed footstock 1 is designed into a circular disc-shaped structure, the fixed footstock 1 is fixed on the inner wall of the roof of a music classroom in advance, the fixed footstock 1 is a lifting device, the inner side of the fixed footstock 1 is provided with a lifting and folding scissor type lifting frame, the lifting frame is electrically controlled by a micro driving motor and a driving screw rod, and the lifting structure design is convenient for controlling the projection device placing box 4 to move up and down through the lifting and lowering arrangement, so that a worker can adjust and overhaul the LCD projection device 9 from the underground, and the convenience of adjusting and overhauling the LCD projection device 9 and the maintenance safety are effectively improved; the bottom side of the fixed top seat 1 is rotatably provided with a fixed frame 2; the lower side of the fixed frame 2 is rotatably provided with a projection device placing box 4; the side wall of the projection device placing box 4 is provided with a liquid adding opening 6, the side wall of the projection device placing box 4 is provided with the liquid adding opening 6, the liquid adding opening 6 is communicated with the heat conducting bag 10, a liquid adding column of the liquid adding opening 6 is made of transparent glass materials, a one-way valve structure is arranged at the opening of the liquid adding opening 6, the transparent liquid adding column is designed to facilitate better observation of the volume of heat conducting liquid inside the heat conducting bag 10 and the radiating fin 3 so as to facilitate timely addition, the one-way valve is designed to facilitate better liquid adding, and liquid is effectively prevented from leaking in the liquid adding process; a sliding chute is arranged at the front side opening of the projection device placing box 4, a sealing glass cover 5 is embedded into the inner side of the sliding chute in a sliding manner, sealing rubber strips are arranged in the mounting grooves of the sealing glass cover 5, a magnetic suction structure is arranged on a frame on the outer side of the sealing glass cover 5, the sealing glass cover 5 can be magnetically adsorbed on the side wall of the projection device placing box 4, the structure is convenient for sealing an LCD projection device 9 on the inner side, so that the erosion of dust on the LCD projection device 9 is effectively prevented, and the sealing glass cover 5 made of transparent glass materials cannot influence the projection use of the LCD projection device 9; the inboard that box 4 was placed to projection arrangement is provided with mounting bracket 8, mounting bracket 8 adopts the drawer type to slide to set up in the inboard that box 4 was placed to projection arrangement, and the bottom side of mounting bracket 8 has seted up the great rectangle radiating groove of a department, the design of this structure is convenient for better installing LCD projection arrangement 9, and the bottom side radiating groove of mounting bracket 8 is convenient for heat conduction bag 10 better and contacts with LCD projection arrangement 9 diapire, thereby better dispel the heat to LCD projection arrangement 9, and place on the mounting bracket 8 and install LCD projection arrangement 9.
The radiating fins 3 are arranged at a plurality of positions in an equidistant mode, the radiating fins 3 are made of aluminum materials, the radiating fins 3 are symmetrically arranged on the upper outer wall and the lower outer wall of the projection device placing box 4 from top to bottom, heat conducting and radiating liquid is filled in the inner sides of the radiating fins 3, and the radiating fins 3 are arranged to radiate heat better, so that the radiating effect of the LCD projection device 9 is improved, and the use performance of the LCD projection device 9 is improved.
The heat dissipation device 7 is provided with two positions, the heat dissipation device 7 is symmetrically arranged on the upper outer wall and the lower outer wall of the projection device placing box 4, the heat dissipation fans arranged on the inner sides of the heat dissipation device 7 correspond to the ends of one side of the heat dissipation fins 3, and the heat dissipation fins 3 are convenient to blow and dissipate heat due to the design of the heat dissipation fans, so that the heat dissipation effect of the heat dissipation fins 3 is accelerated, and the heat dissipation performance is effectively improved.
Wherein, all fixed being provided with heat conduction bag 10 on the upper and lower both sides inner wall of projection arrangement placing box 4, and heat conduction bag 10 is soft material and makes, and heat conduction bag 10 communicates with fin 3 each other, and heat conduction heat dissipation liquid is filled equally to the inboard of heat conduction bag 10, heat conduction bag 10's design is convenient for better inseparabler with LCD projection arrangement 9 upper and lower two wall contact, thereby better absorb the inboard heat of LCD projection arrangement 9, so that distribute away through fin 3, effectively improve LCD projection arrangement 9 rate of heat dissipation and effect.
The specific use mode and function of the embodiment are as follows:
when the LCD projection device for reducing the erosion of the external dust based on the music teaching is used, firstly, the projection device placing box 4 is required to be arranged on the top wall of a music classroom in advance through the fixed top seat 1, then the driving motor at the inner side of the fixed top seat 1 is controlled to rotate through the wireless controller, so that the scissor type lifting frame at the inner side is controlled to lift through the driving screw rod, the projection device placing box 4 is moved downwards to a proper position, then the sealed glass cover 5 is pulled out, then the mounting frame 8 is pulled out, then the LCD projection device 9 is placed at the upper side of the mounting frame 8, then the LCD projection device placing box 4 is connected with a circuit of the projection device placing box 4 through a circuit so as to be directly communicated with the projection device placing box 4 through the outer circuit of the projection device placing box 4, then the mounting frame 8 provided with the LCD projection device 9 is pushed back, after being pushed back, the upper wall and the lower wall of the, then will seal glass cover 5 and seal the slip and close, then make projection arrangement place case 4 through the crane and rise to the top, then alright use, can realize the heat conduction heat dissipation to heat conduction bag 10 through the fin 3 that sets up during the use, and one side end department of fin 3 all is provided with heat abstractor 7, can effectually accelerate the radiating effect of fin 3, the device not only reduces the erosion of dust, still great increase LCD projection arrangement 9's radiating effect, effectively improved LCD projection arrangement 9's performance and life.
In summary, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments or equivalent substitutions for some technical features, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a LCD projection arrangement based on music teaching is with reducing external dust and erodeing which characterized in that: comprises a fixed top seat (1); the fixed top seat (1) is designed in a circular disc-shaped structure, and the fixed top seat (1) is fixed on the inner wall of the roof of a music classroom in advance; a fixed frame (2) is rotatably arranged at the bottom side of the fixed top seat (1); a projection device placing box (4) is rotatably arranged on the lower side of the fixed frame (2); a liquid adding opening (6) is formed in the side wall of the projection device placing box (4); a sealing glass cover (5) is arranged on the front side of the projection device placing box (4); the inner side of the projection device placing box (4) is provided with a mounting rack (8), and an LCD projection device (9) is placed and installed on the mounting rack (8).
2. The LCD projection device for reducing external dust erosion for music based teaching of claim 1, wherein: the fixed footstock (1) is a lifting device, the inner side of the fixed footstock (1) is provided with a shear type lifting frame which can be lifted and folded, and the lifting frame is electrically controlled by a micro driving motor and a driving screw rod.
3. The LCD projection device for reducing external dust erosion for music based teaching of claim 1, wherein: the heat radiating fins (3) are arranged at a plurality of positions in an equidistant mode, the heat radiating fins (3) are made of aluminum materials, the heat radiating fins (3) are symmetrically arranged on the upper outer wall and the lower outer wall of the projection device placing box (4) in an up-and-down mode, and heat conducting and radiating liquid is filled in the inner sides of the heat radiating fins (3).
4. The LCD projection device for reducing external dust erosion for music based teaching of claim 1, wherein: the heat dissipation device (7) is provided with two positions, the heat dissipation device (7) is symmetrically arranged on the upper outer wall and the lower outer wall of the projection device placing box (4), and the heat dissipation fans arranged on the inner side of the heat dissipation device (7) correspond to the end heads of one side of the heat dissipation fins (3).
5. The LCD projection device for reducing external dust erosion for music based teaching of claim 1, wherein: the upper inner wall and the lower inner wall of the projection device placing box (4) are fixedly provided with heat conducting bags (10), the heat conducting bags (10) are made of soft materials, the heat conducting bags (10) are communicated with the radiating fins (3), and the inner sides of the heat conducting bags (10) are filled with heat conducting and radiating liquid.
6. The LCD projection device for reducing external dust erosion for music based teaching of claim 1, wherein: the projection device is characterized in that a liquid adding opening (6) is formed in the side wall of the projection device placing box (4), the liquid adding opening (6) is communicated with the heat conducting bag (10), a liquid adding column of the liquid adding opening (6) is made of a transparent glass material, and a one-way valve structure is arranged at the opening of the liquid adding opening (6).
7. The LCD projection device for reducing external dust erosion for music based teaching of claim 1, wherein: the front side mouth portion that box (4) was placed to projection arrangement is provided with a spout, and the inboard slip embedding of spout installs sealed glass cover (5), all do joint strip setting in the mounting groove of sealed glass cover (5), and be provided with magnetism on the outside frame of sealed glass cover (5) and inhale the structure to but sealed glass cover (5) magnetism is inhaled and is adsorbed on the lateral wall of box (4) is placed to projection arrangement.
8. The LCD projection device for reducing external dust erosion for music based teaching of claim 1, wherein: the mounting rack (8) is arranged on the inner side of the projection device placing box (4) in a sliding mode in a drawer mode, and a large rectangular heat dissipation groove is formed in the bottom side of the mounting rack (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110039676.1A CN112767743A (en) | 2021-01-13 | 2021-01-13 | LCD projection arrangement based on music teaching is with reducing external dust erosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110039676.1A CN112767743A (en) | 2021-01-13 | 2021-01-13 | LCD projection arrangement based on music teaching is with reducing external dust erosion |
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| Publication Number | Publication Date |
|---|---|
| CN112767743A true CN112767743A (en) | 2021-05-07 |
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|---|---|---|---|
| CN202110039676.1A Pending CN112767743A (en) | 2021-01-13 | 2021-01-13 | LCD projection arrangement based on music teaching is with reducing external dust erosion |
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| CN (1) | CN112767743A (en) |
Citations (14)
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