Dedusting device for optical element

Abstract

The utility model discloses a dust removal device for an optical element, which comprises an air compressor and an air storage tank, the air compressor is communicated with the air storage tank through a first pipeline, and an air nozzle is communicated with the air storage tank through a second pipeline. The air storage tank provides compressed air for the air nozzle, and the air outlet of the air nozzle is aligned with the surface of the optical device on which dust is accumulated for high-speed airflow scouring, so that the influence of long-term dust accumulation on the optical device of the projector is reduced, the service life of the projector is prolonged, and the maintenance period of the projector is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of projector optical elements, and particularly relates to a dust removal device for optical elements. Background Art

[0002] Existing projectors, such as Figure 1 As shown, when a 3LCD projector is used for extended periods, light strikes the projector's optical components. Because the optical components are not completely transparent, some of the light that doesn't penetrate is converted into heat, raising the temperature of the optical components. This increased temperature shortens their lifespan. Therefore, to extend the lifespan of the components, a blower 2 is used to blow air through the projector's optical components 1. This forced air convection removes the heat, lowers the component temperature, and extends the component's lifespan. However, dust inevitably accumulates on the surface of the projector's optical components 1 through the blower. After extended operation, small particles of dust accumulate on the optical components and become unable to fall off. Over time, this dust accumulates and becomes more firmly attached, ultimately leading to adverse consequences such as blurred imaging, reduced brightness, and a shortened lifespan due to increased optical temperature.

[0003] Therefore, to address the technical issues and shortcomings of dust blown onto the surface of the projector's optical device 1 by a blower, after prolonged operation, small particles of dust will accumulate on the surface of the optical device and become unable to fall off on their own. Over time, these particles will become more and more numerous and adhere more firmly, ultimately leading to adverse consequences such as blurred imaging, reduced brightness, and a shortened lifespan due to increased optical temperature. Therefore, there is an urgent need to design and develop a dust removal device for optical components. Utility Model Content

[0004] In order to overcome the shortcomings and difficulties of the above-mentioned prior art, the purpose of the present invention is to provide a dust removal device for optical elements to reduce the impact of long-term dust accumulation on projector optical devices, extend the service life of the projector, and extend the maintenance cycle of the projector.

[0005] The purpose of the utility model is to provide a dust removal device for optical elements.

[0006] The purpose of the utility model is achieved as follows: the device includes: an air compressor and an air storage tank; the air compressor and the air storage tank are connected through a first pipe, and the air compressor is used to provide compressed air to the air storage tank;

[0007] One or more gas nozzles; the gas nozzles are connected to the gas storage tank via a second pipe, and the gas storage tank is used to provide compressed air to the gas nozzles;

[0008] The air outlet of the air nozzle is used to align with the surface of the optical device where dust accumulates.

[0009] Furthermore, there are two gas nozzles, and the second pipeline includes a first branch pipeline and a second branch pipeline. The first branch pipeline is connected to one gas nozzle, and the second branch pipeline is connected to the other gas nozzle.

[0010] Furthermore, there are two air nozzles, and the air outlets of the two air nozzles are symmetrically arranged relative to the projector optical device.

[0011] Furthermore, a diverter plate is provided in the air nozzle, and the diverter plate is used to divert the compressed air entering the air nozzle.

[0012] Furthermore, the gas nozzle includes a connecting plate, a left side plate, a right side plate, an upper sealing plate and a lower sealing plate;

[0013] The left side plate is arranged on the left side of the connecting plate, and the right side plate is arranged on the right side of the connecting plate. The connecting plate is provided with a connecting hole connected to the second pipe;

[0014] The upper sealing plate is arranged above the connecting plate, the left side plate and the right side plate, and the lower sealing plate is arranged below the connecting plate, the left side plate and the right side plate;

[0015] The opening enclosed by the connecting plate, the left side plate, the right side plate, the upper sealing plate and the lower sealing plate forms the air outlet of the air nozzle.

[0016] Furthermore, the communicating hole of the communicating plate is arranged in the middle of the communicating plate, and the diverter plate is opposite to the middle of the communicating hole, and the diverter plate is used to divert the compressed air flowing out of the communicating hole.

[0017] Furthermore, the diverter plate includes a first diverter plate, a first guide plate and a second guide plate. The first diverter plate is used to divert the compressed air flowing out of the connecting hole, and the first guide plate and the second guide plate are used to guide the compressed air.

[0018] Furthermore, the first diverter plate is arranged in a conical shape.

[0019] Furthermore, the air nozzle is made of plastic material.

[0020] Furthermore, the air nozzle is an integrally formed air nozzle.

[0021] The utility model provides a dust removal device for optical elements, namely, an air compressor and an air tank; the air compressor is connected to the air tank through a first pipe, and the air compressor is used to provide compressed air to the air tank; one or more air nozzles; the air nozzle is connected to the air tank through a second pipe, and the air tank is used to provide compressed air to the air nozzle; the air outlet of the air nozzle is used to be aimed at the surface of the optical device where dust accumulates; the effect of long-term accumulation of dust on the optical device of the projector can be reduced, the service life of the projector can be extended, and the maintenance cycle of the projector can be extended.

[0022] That is to say, the utility model uses an air compressor to provide compressed air to the air tank, and the air tank provides compressed air to the air nozzle. The air outlet of the air nozzle is aimed at the surface of the optical device where dust accumulates to perform high-speed airflow flushing, thereby reducing the impact of long-term dust accumulation on the projector's optical devices, extending the service life of the projector, and extending the maintenance cycle of the projector. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 It is a schematic diagram of the prior art;

[0025] Figure 2 This is a schematic diagram of the three-dimensional structure of a dust removal device for optical elements according to the present invention;

[0026] Figure 3 This is a schematic structural diagram of an air nozzle of a dust removal device for optical elements according to the present invention;

[0027] Figure 4 This is a schematic diagram of the position of the air nozzle of a dust removal device for optical components blowing air to the optical component in the utility model;

[0028] Figure 5 This is a schematic diagram of the three-dimensional structure of an air nozzle of a dust removal device for optical elements according to the present invention;

[0029] In the figure: 1-projector optical device; 2-blower; 3-air compressor; 4-air tank; 5-first pipeline; 6-air nozzle; 7-second pipeline; 8-first branch pipeline; 9-second branch pipeline; 10-diverter plate; 11-connecting plate; 12-left side plate; 13-right side plate; 14-upper sealing plate; 15-lower sealing plate; 16-connecting hole; 17-first diverter plate; 18-first guide plate; 19-second guide plate.

[0030] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments. DETAILED DESCRIPTION

[0031] In order to facilitate a better understanding of the purpose, technical solutions and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. Those skilled in the art can easily understand other advantages and functions of the present invention from the contents disclosed in this specification.

[0032] The present invention may also be implemented or applied through other different specific examples, and the details in this specification may also be modified and changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0033] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0034] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features specified as "first" and "second" may explicitly or implicitly include at least one of such features. Secondly, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0035] The present invention will be further described below with reference to the accompanying drawings. Figure 2-Figure 5 As shown, the utility model provides a dust removal device for optical elements, the device comprising: an air compressor and an air storage tank; the air compressor is connected to the air storage tank through a first pipe, and the air compressor is used to provide compressed air to the air storage tank;

[0036] One or more gas nozzles; the gas nozzles are connected to the gas storage tank via a second pipe, and the gas storage tank is used to provide compressed air to the gas nozzles;

[0037] The air outlet of the air nozzle is used to align with the surface of the optical device where dust accumulates.

[0038] There are two gas nozzles, and the second pipeline includes a first branch pipeline and a second branch pipeline. The first branch pipeline is connected to one gas nozzle, and the second branch pipeline is connected to the other gas nozzle.

[0039] There are two air nozzles, and the air outlets of the two air nozzles are symmetrically arranged relative to the projector optical device.

[0040] A diverter plate is provided in the air nozzle, and the diverter plate is used to divert the compressed air entering the air nozzle.

[0041] The gas nozzle includes a connecting plate, a left side plate, a right side plate, an upper sealing plate and a lower sealing plate;

[0042] The left side plate is arranged on the left side of the connecting plate, and the right side plate is arranged on the right side of the connecting plate. The connecting plate is provided with a connecting hole connected to the second pipe;

[0043] The upper sealing plate is arranged above the connecting plate, the left side plate and the right side plate, and the lower sealing plate is arranged below the connecting plate, the left side plate and the right side plate;

[0044] The opening enclosed by the connecting plate, the left side plate, the right side plate, the upper sealing plate and the lower sealing plate forms the air outlet of the air nozzle.

[0045] The communicating hole of the communicating plate is arranged in the middle of the communicating plate, and the diverter plate is opposite to the middle of the communicating hole. The diverter plate is used to divert the compressed air flowing out of the communicating hole.

[0046] The diverter plate includes a first diverter plate, a first guide plate and a second guide plate. The first diverter plate is used to divert the compressed air flowing out of the communicating hole, and the first guide plate and the second guide plate are used to guide the compressed air.

[0047] The first diverter plate is arranged in a conical shape. The gas nozzle is made of plastic material. The gas nozzle is an integrally formed gas nozzle.

[0048] Specifically, in the embodiment of the present utility model, Figure 2-5 As shown, a dust removal device for optical elements is provided, comprising an air compressor 3; an air tank 4; the air compressor 3 and the air tank 4 are connected via a first pipe 5, and the air compressor 3 provides compressed air to the air tank 4; one or more air nozzles 6, the air nozzles 6 are connected to the air tank 4 via a second pipe 7, and the air tank 4 is used to provide compressed air to the air nozzles 6;

[0049] In the embodiment of this scheme, there are two air nozzles 6, and the second pipe 7 includes a first branch pipe 8 and a second branch pipe 9. The first branch pipe 8 is connected to one air nozzle 6, and the second branch pipe 9 is connected to the other air nozzle 6. The air outlets of the two air nozzles 6 are symmetrically arranged relative to the projector optical device 1, and the air outlets of the air nozzles 6 are aligned with the surface of the optical device where dust accumulates. The utility model adopts an air compressor 3 to provide compressed air to the air tank 4, and the air tank 4 provides compressed air to the air nozzle 6. The air outlet of the air nozzle 6 is aligned with the surface of the optical device where dust accumulates for high-speed airflow flushing, thereby reducing the impact of long-term dust accumulation on the projector optical device 1, extending the service life of the projector, and extending the maintenance cycle of the projector.

[0050] Although there is a low-noise version of the air compressor 3, it is still a relatively large noise source compared to the overall noise of the projector. Therefore, the air compressor does not work continuously during the operation of the projector, but only inflates the high-pressure gas tank 4 when the projector is turned on or off. When the projector reaches a specific cumulative power-on time, during the most recent power-on or power-off process, the high-pressure gas tank 4 releases pressure, and a high-speed airflow is applied to the optical device, forcing the dust accumulated on the optical device to fall off or reduce.

[0051] As a further optimization solution, a diverter plate 10 is provided in the air nozzle 6, which is used to divert the compressed air entering the air nozzle 6, increase the area of ​​high-speed airflow flushing the surface of the optical device, and reduce the impact of dust on the projector optical device 1.

[0052] In a further optimized solution, the air nozzle includes a connecting plate 11, a left side plate 12, a right side plate 13, an upper sealing plate 14 and a lower sealing plate 15. The left side plate 12 is arranged on the left side of the connecting plate 11, and the right side plate 13 is arranged on the right side of the connecting plate 11. The connecting plate 11 is provided with a connecting hole 16 connected to the second pipe. The upper sealing plate 14 is arranged above the connecting plate 11, the left side plate 12 and the right side plate 13. The lower sealing plate 15 is arranged below the connecting plate 11, the left side plate 12 and the right side plate 13. The opening enclosed by the connecting plate 11, the left side plate 12, the right side plate 13, the upper sealing plate 14 and the lower sealing plate 15 forms the air outlet of the air nozzle. The connecting hole 16 of the connecting plate 11 is arranged in the middle of the connecting plate 11, and the diverter plate is directly opposite the middle of the connecting hole 16. The diverter plate is used to divert the compressed air flowing out of the connecting hole 16. The diverter plate includes a first diverter plate 17, a first guide plate 18, and a second guide plate 19. The first diverter plate 17 is used to divert the compressed air flowing out of the connecting hole 16, while the first guide plate 18 and the second guide plate 19 are used to guide the compressed air. The first diverter plate 17 is conical in shape. The air nozzle is made of plastic and is integrally molded.

[0053] The utility model provides a dust removal device for optical elements, namely, an air compressor and an air tank; the air compressor is connected to the air tank through a first pipe, and the air compressor is used to provide compressed air to the air tank; one or more air nozzles; the air nozzle is connected to the air tank through a second pipe, and the air tank is used to provide compressed air to the air nozzle; the air outlet of the air nozzle is used to be aimed at the surface of the optical device where dust accumulates; the effect of long-term accumulation of dust on the optical device of the projector can be reduced, the service life of the projector can be extended, and the maintenance cycle of the projector can be extended.

[0054] That is to say, the utility model uses an air compressor to provide compressed air to the air tank, and the air tank provides compressed air to the air nozzle. The air outlet of the air nozzle is aimed at the surface of the optical device where dust accumulates to perform high-speed airflow flushing, thereby reducing the impact of long-term dust accumulation on the projector's optical devices, extending the service life of the projector, and extending the maintenance cycle of the projector.

[0055] The above-described embodiments merely represent several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A dust removal device for optical elements, characterized in that: The device comprises: an air compressor and an air storage tank; the air compressor is connected to the air storage tank through a first pipeline, and the air compressor is used to provide compressed air to the air storage tank; One or more air nozzles; the air nozzle is connected to the air storage tank through a second pipeline, and the air storage tank is used to provide compressed air to the air nozzle; The air outlet of the air nozzle is used to align with the surface of the optical device where dust is accumulated.

2. The dust removal device for optical elements according to claim 1, characterized in that: There are two gas nozzles, and the second pipeline includes a first branch pipeline and a second branch pipeline. The first branch pipeline is connected to one gas nozzle, and the second branch pipeline is connected to the other gas nozzle.

3. The dust removal device for optical elements according to claim 1, characterized in that: There are two air nozzles, and the air outlets of the two air nozzles are symmetrically arranged relative to the projector optical device.

4. The dust removal device for optical elements according to claim 1, characterized in that: A diverter plate is arranged in the air nozzle, and the diverter plate is used to divert the compressed air entering the air nozzle.

5. The dust removal device for optical elements according to claim 4, characterized in that: The gas nozzle comprises a connecting plate, a left side plate, a right side plate, an upper sealing plate and a lower sealing plate; The left side plate is arranged on the left side of the connecting plate, the right side plate is arranged on the right side of the connecting plate, and the connecting hole arranged on the connecting plate is connected to the second pipeline; The upper sealing plate is arranged above the connecting plate, the left side plate and the right side plate, and the lower sealing plate is arranged below the connecting plate, the left side plate and the right side plate; The opening enclosed by the connecting plate, the left side plate, the right side plate, the upper sealing plate and the lower sealing plate forms the air outlet of the air nozzle.

6. The dust removal device for optical elements according to claim 5, characterized in that: The connecting hole of the connecting plate is arranged in the middle of the connecting plate, the diverter plate is directly opposite to the middle of the connecting hole, and the diverter plate is used for diverting the compressed air flowing out of the connecting hole.

7. The dust removal device for optical elements according to claim 6, characterized in that: The splitter plate includes a first splitter plate, a first guide plate and a second guide plate. The first splitter plate is used to split the compressed air flowing out of the connecting hole, and the first guide plate and the second guide plate are used to guide the compressed air.

8. The dust removal device for optical elements according to claim 7, characterized in that: The first splitter plate is arranged in a conical shape.

9. The dust removal device for optical elements according to claim 1, characterized in that: The air nozzle is made of plastic material.

10. The dust removal device for optical elements according to claim 1, characterized in that: The air nozzle is an integrally formed air nozzle.

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