Projector with dust removal function

Abstract

The utility model relates to the technical field of projectors, and discloses a projector with a dust removal function, a mounting flip cover is arranged outside a projection head, a plane lens is arranged in the middle of the mounting flip cover, a dust removal mechanism is arranged on the side of the plane lens, the mounting flip cover is arranged outside the projection head, and the plane lens is arranged in the middle of the mounting flip cover. The flip cover is installed to shield and protect the projection head, penetrating projection of pictures is completed through the plane lens, adhesion of dust to the upper portion of the lens can be reduced, the blowing type dust removal mechanism is arranged on the side of the plane lens, a turbofan arranged in the fan installation base is used for providing blowing, and the dust removal efficiency is improved. The turbofan sucks air from the inside of the projector main body, and the air outlet of the turbofan directly faces the side of the plane lens, so that dust attached to the upper part of the plane lens can be removed through the blowing effect while heat dissipation is provided for the projector main body, the dust can be effectively prevented from being attached to the plane lens, and the projection quality of the projector can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of projectors, in particular to a projector with a dust removal function. Background Art

[0002] A projector, also known as an overhead projector, is a device that can project images or videos onto a screen. It can be connected to computers, DVDs and other devices through different interfaces to play corresponding video signals. Projectors are widely used in cinemas, homes, offices, schools and entertainment venues. The lens is a key component of the projector's imaging and projection. It is a precision equipment and has certain requirements on the temperature, humidity and cleanliness of the operating environment, especially dust. Dust will seriously reduce the display brightness of the projector and affect the projection quality of the projector.

[0003] In order to improve the picture quality and project the light, the lens of the projector is mostly set with a spherical convex head structure. When the projection is performed, the projection head is exposed to the outside of the projector. During the operation, dust is easily adhered to the convex upper part of the projection head. The adhesion of dust will reduce the display brightness and projection quality of the projector. For this reason, a projector with a dust removal function is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a projector with a dust removal function to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a projector with a dust removal function, comprising a projector body, a projection head is arranged on the front side of the projector body, a mounting cover is arranged on the outside of the projection head, and a plane lens is arranged in the middle of the mounting cover;

[0006] A dust removal mechanism is arranged on the side of the plane lens, and the dust removal mechanism includes a turbofan, a fan mounting seat and a filter frame. The turbofan is installed inside the fan mounting seat, and the fan mounting seat is mounted on the front of the projector body by being fastened by being engaged. An air outlet is arranged on the side of the fan mounting seat, and the air outlet is directly opposite to the side of the plane lens. The filter frame is engaged and installed on the air inlet side of the rear part of the fan mounting seat.

[0007] Preferably, the projection head is fixedly mounted on the front side of the projector body, the lower side of the mounting cover is hingedly mounted on the front side of the projector body, the mounting cover is flipped and shielded and mounted on the outside of the projection head, and an unlocking button is provided on the upper side of the mounting cover.

[0008] Preferably, the plane lens is fixedly mounted in the middle of the mounting flip cover, and the plane lens is directly opposite to the projection side of the projection head.

[0009] Preferably, the turbofan is fixedly mounted inside a fan mounting seat by bolts, a mounting groove is provided at the front of the projector body, and the fan mounting seat is embedded in the mounting groove.

[0010] Preferably, a fastening screw hole is provided on the upper portion of the above-mentioned fan mounting seat, a fastening bolt is provided inside the fastening screw hole, the fan mounting seat is fixedly installed inside the mounting groove by the fastening bolt, and the air outlet is provided on the front side of the fan mounting seat.

[0011] Preferably, a mesh frame mounting groove is provided on the rear air inlet side of the above-mentioned fan mounting seat, the mesh frame mounting groove is adapted to the filter mesh frame, the filter mesh frame is embedded and installed on the inner side of the mesh frame mounting groove, the rear side of the filter mesh frame is in conflict with the protrusion inside the mounting groove, and a dust filter is provided in the middle of the filter mesh frame.

[0012] Preferably, heat dissipation vents are provided on both sides of the projector body, and an operation button is provided on the top of the projector body.

[0013] Compared with the prior art, the utility model adopts the above technical solution and has the following technical effects:

[0014] The projector is provided with an installation flap on the outside of the projection head and a plane lens is provided in the middle of the installation flap. The projection head is shielded and protected by the installation flap, and the penetrating projection of the picture is completed by the plane lens, which can reduce the adhesion of dust on the upper part of the lens, and a blowing dust removal mechanism is provided on the side of the plane lens. The turbofan fan arranged in the fan mounting seat provides air blowing. The turbofan fan sucks air from the inside of the projector body, and the air outlet of the turbofan fan faces the side of the plane lens. While providing heat dissipation for the projector body, the dust attached to the upper part of the plane lens can be removed by blowing, which can effectively prevent dust from adhering to the plane lens, which is beneficial to the improvement of the projection quality of the projector. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the front structure of the projector main body of the utility model;

[0018] Figure 3 This is a schematic diagram of the front structure of the dust removal mechanism of the utility model;

[0019] Figure 4 It is a schematic diagram of the rear structure of the dust removal mechanism of the utility model.

[0020] Explanation of the reference numerals: 1. Projector body; 2. Installation cover; 3. Flat lens; 4. Unlock button; 5. Turbofan fan; 6. Fan mounting seat; 7. Filter frame; 8. Air outlet; 9. Fastening screw hole; 10. Frame mounting slot; 11. Dust filter; 12. Heat dissipation port; 13. Operation button. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0023] Example

[0024] See also Figure 1-4 The utility model provides a technical solution: a projector with a dust removal function, including a projector body 1. In order to perform projection operation, a projection head is arranged on the front side of the projector body 1, and the projection head is fixedly installed on the front side of the projector body 1. In order to enhance the heat dissipation effect of the projector body 1, heat dissipation ports 12 are arranged on both sides of the projector body 1. In order to control the projector body 1, an operation button 13 is arranged on the top of the projector body 1.

[0025] To shield the projection head, Figure 1As shown, a mounting cover 2 is arranged outside the projection head, and the lower side of the mounting cover 2 is hingedly mounted on the front side of the projector body 1, and can be opened by flipping down. The mounting cover 2 is flipped and shielded and mounted outside the projection head. The projection head can be shielded and protected by the mounting cover 2. In order to facilitate the switch limit of the mounting cover 2, an unlocking button 4 is arranged on the upper side of the mounting cover 2. In order to realize light-transmitting projection, a plane lens 3 is arranged in the middle of the mounting cover 2, as shown in the attached figure. Figure 2 As shown, the plane lens 3 is fixedly embedded in the middle of the installation flip cover 2, and the plane lens 3 is directly opposite to the projection side of the projection head. The plane lens 3 is a flat setting and has a smaller dust adhesion surface compared to the spherical lens, and an anti-static coating is coated on the surface of the plane lens 3 to further reduce dust adhesion.

[0026] In order to remove the dust attached to the upper part of the plane lens 3, a dust removal mechanism is arranged on the side of the plane lens 3, and the dust removal mechanism includes a turbofan 5, a fan mounting seat 6 and a filter frame 7. The turbofan 5 is fixedly installed inside the fan mounting seat 6 by bolts, and serves as an air blowing drive component. In order to facilitate the installation and connection of the fan mounting seat 6, a mounting groove is arranged on the front part of the projector body 1, and the fan mounting seat 6 is embedded and installed inside the mounting groove. In order to facilitate the installation and fastening of the fan mounting seat 6, a fastening screw hole 9 is arranged on the upper part of the fan mounting seat 6, and a fastening bolt is arranged inside the fastening screw hole 9. The fan mounting seat 6 is fixedly installed inside the mounting groove by the fastening bolt, and the fan mounting seat 6 is installed on the front part of the projector body 1 by embedding and fastening. The convenient disassembly and assembly can facilitate the cleaning and maintenance of the dust removal mechanism.

[0027] In order to facilitate the installation and connection of the filter screen frame 7, a screen frame installation groove 10 is provided on the rear air inlet side of the fan mounting seat 6, the screen frame installation groove 10 is adapted to the filter screen frame 7, the filter screen frame 7 is embedded and installed on the inner side of the screen frame installation groove 10, and the rear side of the filter screen frame 7 is in conflict with the convex seat inside the installation groove, so that the installation limit of the filter screen frame 7 can be realized. In order to remove dust from the inhaled air, a dust removal filter 11 is provided in the middle of the filter screen frame 7. In order to remove dust from the upper part of the plane lens 3, an air outlet 8 is provided on the side of the fan mounting seat 6, as shown in the attached figure. Figure 2 As shown, the air outlet 8 is arranged on the front side of the fan mounting seat 6, and the air outlet 8 is opposite to the side of the plane lens 3. The turbofan fan 5 sucks air from the inside of the projector body 1, and the air outlet 8 of the turbofan fan 5 is opposite to the side of the plane lens 3. While providing heat dissipation for the projector body 1, the dust attached to the upper part of the plane lens 3 can be removed by blowing, which can effectively prevent dust from adhering to the plane lens 3, which is beneficial to improving the projection quality of the projector.

[0028] The working principle or structural principle is that when working, keep the installation flap 2 in a closed state, then turn on the power, project the movie picture onto the upper part of the screen through the projection head, and at the same time, the turbofan 5 in the fan mounting seat 6 starts to work, and the air filtered by the dust filter 11 is blown from the inside of the projector body 1 to the plane lens 3, and the dust attached to the upper part of the plane lens 3 is removed by side blowing to prevent the dust from adhering to the upper part of the plane lens 3. When the dust removal mechanism needs to be cleaned and maintained, just loosen and remove the fastening bolts in the fastening screw holes 9, and then pull to complete the disassembly and removal of the fan mounting seat 6, disassemble and clean the filter frame 7, and after completion, install and reset the fan mounting seat 6 and the filter frame 7 to complete the cleaning and maintenance operation of the dust removal mechanism.

[0029] In summary, the projector is provided with an installation flap 2 on the outside of the projection head and a plane lens 3 is provided in the middle of the installation flap 2. The projection head is shielded and protected by installing the flap 2, and the penetrating projection of the picture is completed by the plane lens 3, which can reduce the adhesion of dust on the upper part of the lens, and a blowing dust removal mechanism is provided on the side of the plane lens 3. The turbofan fan 5 provided in the fan mounting seat 6 is used to provide blowing. The turbofan fan 5 sucks air from the inside of the projector body 1, and the air outlet 8 of the turbofan fan 5 is facing the side of the plane lens 3. While providing heat dissipation for the projector body 1, the dust attached to the upper part of the plane lens 3 can be removed by blowing, which can effectively prevent dust from adhering to the plane lens 3, which is beneficial to the improvement of the projection quality of the projector.

[0030] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.

Claims

1. A projector with a dust removal function, comprising a projector body (1), characterized in that: A projection head is arranged on the front side of the projector body (1), a mounting cover (2) is arranged outside the projection head, and a plane lens (3) is arranged in the middle of the mounting cover (2); A dust removal mechanism is arranged on the side of the plane lens (3), and the dust removal mechanism comprises a turbofan (5), a fan mounting seat (6) and a filter frame (7). The turbofan is mounted inside the fan mounting seat (6). The fan mounting seat (6) is mounted on the front of the projector body (1) by being fastened and engaged. An air outlet (8) is arranged on the side of the fan mounting seat (6), and the air outlet (8) is directly opposite to the side of the plane lens (3). The filter frame (7) is mounted on the air inlet side of the rear of the fan mounting seat (6).

2. The projector with dust removal function according to claim 1, characterized in that: The projection head is fixedly mounted on the front side of the projector body (1); the lower side of the installation flap (2) is hingedly mounted on the front side of the projector body (1); the installation flap (2) is flipped and shielded and mounted on the outside of the projection head; and an unlocking button (4) is arranged on the upper side of the installation flap (2).

3. The projector with dust removal function according to claim 2, characterized in that: The plane lens (3) is fixedly embedded in the middle of the installation flip cover (2), and the plane lens (3) is directly opposite to the projection side of the projection head.

4. The projector with dust removal function according to claim 1, characterized in that: The turbofan fan (5) is fixedly mounted inside a fan mounting seat (6) by means of bolts; a mounting groove is provided at the front of the projector body (1), and the fan mounting seat (6) is embedded in the mounting groove.

5. The projector with dust removal function according to claim 4, characterized in that: A fastening screw hole (9) is provided on the upper part of the fan mounting seat (6), a fastening bolt is provided inside the fastening screw hole (9), the fan mounting seat (6) is fixedly mounted inside the mounting groove by the fastening bolt, and the air outlet (8) is provided on the front side of the fan mounting seat (6).

6. The projector with dust removal function according to claim 5, characterized in that: A screen frame installation groove (10) is arranged on the rear air inlet side of the fan mounting seat (6), the screen frame installation groove (10) is adapted to the filter screen frame (7), the filter screen frame (7) is embedded and installed on the inner side of the screen frame installation groove (10), the rear side of the filter screen frame (7) is in contact with the convex seat inside the installation groove, and a dust removal filter (11) is arranged in the middle of the filter screen frame (7).

7. The projector with dust removal function according to claim 1, characterized in that: Heat dissipation ports (12) are provided on both sides of the projector body (1), and an operation button (13) is provided on the top of the projector body (1).

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