WO2021147317A1

WO2021147317A1 - Dustproof and anti-fogging stage lamp

Info

Publication number: WO2021147317A1
Application number: PCT/CN2020/111815
Authority: WO
Inventors: 蒋伟楷
Original assignee: 广州市浩洋电子股份有限公司
Priority date: 2020-01-21
Filing date: 2020-08-27
Publication date: 2021-07-29
Also published as: CN111594774A

Abstract

Disclosed is a dustproof and anti-fogging stage lamp, comprising a lamp holder (100), wherein a light source (200) and a light emitting lens (300) are respectively arranged at two ends of the lamp holder (100); a hydrophilic coating is arranged on a side of the light emitting lens (300) close to the light source (200); and an anti-static coating is provided on a side of the light emitting lens (300) away from the light source (200). According to the dustproof and anti-fogging stage lamp, water vapor in the lamp holder (100) tends to be condensed on an inner side of the light emitting lens (300), such that the hydrophilic coating is provided on the side of the light emitting lens (300) close to the light source (200), the height of water drops condensed on the inner side of the light emitting lens (300) is reduced by utilizing the hydrophilic property of the hydrophilic coating, and unnecessary light scattering caused by refraction of the water drops is reduced; and charged dust or charged liquid drops are generally located in the external environment and tend to be attached on an outer side of the light emitting lens (300) with accumulated static electricity, such that the side of the light emitting lens (300) far away from the light source (200) is provided with the anti-static coating to reduce the accumulation of static electricity on a surface of the light emitting lens (300), thereby preventing of the attachment of the charged dust or charged liquid drops and preventing light blocking or light refraction.

Description

Stage lamp capable of preventing dust and fog

Technical field

The utility model relates to the technical field of stage lights, and more specifically, to a dust-proof and fog-proof stage light.

Background technique

Stage light is a kind of lighting equipment that requires high projection effect, especially the stage light with large light intensity and long projection distance, some subtle flaws will be magnified and presented. As the lens at the end of the stage lighting path, the light-emitting lens is generally located inside the lamp holder, and the outside is exposed outside the lamp holder. During the use of stage lights, dust or liquid droplets in the ambient air are easily charged and adsorbed on the light-emitting lens. Water vapor in the air is also easy to condense on the inside of the light-emitting lens due to condensation. Both conditions will greatly affect the stage. The projection effect of the lamp.

technical problem

In order to overcome at least one of the above-mentioned defects in the prior art, the utility model provides a dust-proof and fog-proof stage light, which can solve the problems of the deterioration of the projection effect caused by the electrostatic adsorption on the outside of the light emitting lens and the condensation of water vapor on the inside.

Technical solutions

In order to solve the above technical problems, the technical solution adopted by the present utility model is: a dust-proof and fog-proof stage light, including a lamp cap, two ends of the lamp cap are respectively provided with a light source and a light emitting lens, the light emitting lens is close to the light source one The side is provided with a hydrophilic coating, and the side of the light exit lens away from the light source is provided with an anti-static coating.

When the stage light is working, the inside of the light emitting lens is usually at a higher ambient temperature, and the outside of the light emitting lens is usually at a lower ambient temperature. Therefore, the water vapor in the lamp holder is likely to condense on the inside of the light emitting lens, so the The dust-proof and fog-proof stage light is provided with a hydrophilic coating on the side of the light-emitting lens close to the light source, and its hydrophilic characteristics can be used to reduce the height of water droplets condensing on the inner side of the light-emitting lens, thereby reducing Unnecessary light scattering caused by the refraction of water droplets; while the charged dust or charged droplets are generally in the external environment and are easily adsorbed on the outside of the light emitting lens where static electricity is accumulated. Therefore, a protective device is provided on the side of the light emitting lens away from the light source. Electrostatic coating to reduce the accumulation of static electricity on the surface of the light-emitting lens, thereby avoiding the adsorption of charged dust or charged liquid droplets, and avoiding blocking or refracting light.

Further, the light emitting lens and the lamp cap jointly form a sealed space, and the light source is located in the sealed space. Try to avoid water vapor, dust or liquid droplets in the external environment from entering the inside of the lamp cap, adhering to the inside of the light emitting lens, or affecting other optical devices in the lamp cap.

Further, in the lamp cap, a light-shielding sheet with a light-through hole and a focusing lens are arranged along the light path of the light source, and the light path passes through the light-through hole. The light-passing hole allows the main part of the light source light path to pass through, and the light-shielding sheet blocks the stray light on the outermost side of the light path to prevent the color of the emitted light beam from being impure or the projected light spot has burrs; the focusing lens The focus of the light beam is adjusted to adjust the clarity of the projected light spot.

Further, the light-emitting lens includes a light-emitting lens away from the light source and a plurality of light-transmitting lenses close to the light source, the light-emitting lens is provided with an antistatic coating on a side away from the light source, and the light-emitting lens is close to the light source. A hydrophilic coating is provided on one side of the light source, and both sides of the transparent mirror are provided with a hydrophilic coating. Since only the light-emitting lens at the outermost side is in contact with the outside, it is only necessary to provide an anti-static coating on the side of the light-emitting lens away from the light source, which can solve the problem of electrostatic adsorption of the light-emitting lens; Although the light-transmitting mirrors are all located inside the lamp cap, the water vapor in the lamp cap may enter between two adjacent light-transmitting mirrors and cause fogging. Therefore, the light-transmitting mirrors are provided on both sides of the light-transmitting mirror. The water coating can solve the problem of condensation and fogging of the light-emitting lens.

Further, the light source is a multi-color LED, and a light guide or a condenser lens that condenses the light emitted by the light source to the light exit lens is also provided in the lamp cap. The stage lights using multi-color LEDs can have a dyeing effect, and the light guide body or the condenser lens can collect and guide the light emitted by the multi-color LEDs to the light-emitting lens, and emit it through the light-emitting lens.

Further, the light emitting lens is made of plastic material. Since plastic materials are more prone to static electricity accumulation, it is more necessary to provide the anti-static coating.

Further, the material of the light emitting lens is one of polycarbonate, acrylic or polymethyl methacrylate. Polycarbonate, acrylic or polymethyl methacrylate all have high light transmittance, and the light loss of the light beam passing through the light emitting lens is small.

Further, the hydrophilic coating material is parylene or silicon derivatives. These two materials are colorless and transparent. They are commonly used hydrophilic materials and can be purchased on the market.

Further, the antistatic compound in the antistatic coating is tin oxide, zinc oxide, titanium oxide, indium oxide, cadmium oxide, antimony chloride, tin chloride, tin oxide or antimony oxide. There are many kinds of antistatic compounds. The ones that can be colorless and transparent after mixing with the shaping solvent are generally metal oxides, such as tin oxide, zinc oxide, titanium oxide, indium oxide, cadmium oxide, antimony chloride, tin chloride, Tin oxide or antimony oxide are commonly used, which is common knowledge, and these materials can also be purchased from the market.

Further, the mass percentage of the antistatic compound in the antistatic coating package is less than or equal to 3%. Because the concentration of antistatic compound is too high, the light transmittance of the antistatic coating will decrease, so the mass percentage of the antistatic compound in the antistatic coating package is controlled to be less than or equal to 3%, which can achieve antistatic , And can ensure good light transmittance.

Description of the drawings

Fig. 1 is a schematic diagram of the first embodiment of the dust-proof and fog-proof stage light of the present invention.

2 is a schematic diagram of the sectional structure of the light-emitting lens of the dust-proof and fog-proof stage light of the present invention.

Fig. 3 is a schematic structural view of a second embodiment of the dust-proof and fog-proof stage light of the present invention.

In the picture:

100, lamp holder; 110, light-shielding film; 111, light hole; 120, focusing lens; 130, magnifying lens; 200, light source; 210, light guide body; 220, lens support frame; 230, pressure plate; 300, light emitting lens ; 310, light-emitting lens; 320, translucent lens; 330, lens barrel.

The best mode of the present invention

The accompanying drawings are only for illustrative purposes and cannot be understood as a limitation of this patent; in order to better illustrate this embodiment, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; For personnel, it is understandable that some well-known structures in the drawings and their descriptions may be omitted. The positional relationship described in the drawings is only for illustrative purposes and cannot be understood as a limitation of the patent.

Figures 1 and 2 are the first embodiment of the present invention. A dust-proof and fog-proof stage light is provided. The stage light includes a lamp holder 100. The two ends of the lamp holder 100 are respectively provided with a light source 200 and a light emitting lens 300. The light-emitting lens 300 is provided with a hydrophilic coating on the side close to the light source 200, and the light-emitting lens 300 is provided with an antistatic coating on the side away from the light source 200.

When the stage lights are working, the inside of the light emitting lens 300 is usually at a higher ambient temperature, and the outside of the light emitting lens 300 is usually at a lower ambient temperature, so the water vapor in the lamp holder 100 is easy to condense on the inside of the light emitting lens 300 Therefore, in the dust-proof and fog-proof stage light, by providing a hydrophilic coating on the side of the light emitting lens 300 close to the light source 200, its hydrophilic properties can be used to reduce condensation on the inner side of the light emitting lens 300. The height of the water droplets reduces unnecessary light scattering caused by the refraction of the water droplets; while the charged dust or charged droplets are generally in the external environment and are easily adsorbed on the outside of the light emitting lens 300 that has accumulated static electricity. The side of 300 away from the light source 200 is provided with an anti-static coating to reduce the accumulation of static electricity on the surface of the light-emitting lens 300, thereby avoiding the adsorption of charged dust or charged liquid droplets, and avoiding blocking or refracting light.

Further, the light emitting lens 300 and the lamp holder 100 jointly form a sealed space, and the light source 200 is located in the sealed space. Try to avoid water vapor, dust or liquid droplets in the external environment from entering the inside of the lamp holder 100, adhering to the inside of the light emitting lens 300, or affecting other optical components in the lamp holder 100.

Further, in the lamp cap 100, a light shielding sheet 110 having a light through hole 111 and a focusing lens 120 are provided along the light path of the light source 200, and the light path passes through the light through hole 111. The light-passing hole 111 allows the main part of the light path of the light source 200 to pass through, and the light-shielding sheet 110 blocks the stray light on the outermost side of the light path to prevent the color of the emitted light beam from being impure or the projected light spot has burrs; The focusing lens 120 adjusts the focus of the light beam to adjust the clarity of the projected spot.

Optionally, the number of the light source 200 and the light emitting lens 300 in the lamp holder 100 is only one.

Optionally, a magnifying lens 130, a color plate, a pattern disk, a cutter, a fire plate and other components may be provided inside the lamp head 100, and the stage lights respectively produce corresponding effects. For example, the magnifying lens 130 can control the projected light spot. For magnification, the color plate can dye the light beam, the pattern plate can cut the light beam into a specific pattern, the cutter can cut the light beam into a variety of patterns, and the fire plate can make the light spot projected by the light beam Presents a flame effect.

Further, the light-emitting lens 300 includes a light-emitting lens 310 away from the light source 200 and a plurality of light-transmitting lenses 320 close to the light source 200, and an antistatic coating is provided on the side of the light-emitting lens 310 away from the light source 200 The light emitting lens 310 is provided with a hydrophilic coating on a side close to the light source 200, and both sides of the light transmitting lens 320 are provided with a hydrophilic coating. Since only the light-emitting lens 310 at the outermost side is in contact with the outside, it is only necessary to provide an anti-static coating on the side of the light-emitting lens 310 away from the light source 200, which can solve the electrostatic adsorption of the light-emitting lens 300 Problem; Although the light transmitting mirror 320 is located inside the lamp holder 100, the water vapor in the lamp holder 100 may enter between two adjacent light transmitting mirrors 320, causing it to fog, so in the transparent Both sides of the light mirror 320 are provided with hydrophilic coatings, which can solve the problem of condensation and fogging of the light exit lens 300.

In this embodiment, the number of the light-emitting lens 310 is one, the number of the light-transmitting lens 320 is two, and both have positive power; the light-emitting lens 310 and the light-transmitting lens 320 are fixed together Inside a lens barrel 330, the lens barrel 330, the light-emitting lens 310, and the light-transmitting lens 320 furthest from the light-emitting lens 310 together form a sealed structure to prevent dust or water vapor from entering.

Further, the hydrophilic coating material is parylene or silicon derivatives. These two materials are colorless and transparent. They are commonly used hydrophilic materials and can be purchased on the market. The silicon derivative may be silicon dioxide, silane or siloxane.

Optionally, the shaping solvent can be various types of resins, preferably acrylic resins.

Optionally, the mass percentage of the antistatic compound in the antistatic coating package is less than or equal to 2%, and further, the mass percentage of the antistatic compound in the antistatic coating package is less than or equal to 1%.

Fig. 3 shows the second embodiment of the present invention. Further, the light source 200 is a multi-color LED, and the lamp holder 100 is also provided with the light emitted by the light source 200 to the light emitting lens. 300 of the light guide 210 or condenser lens. The stage lights using multi-color LEDs can have a dyeing effect. The light guide body 210 or the condenser lens can collect and guide the light emitted by the multi-color LEDs to the light-emitting lens 300, and emit it through the light-emitting lens 300 .

Optionally, the stage light further includes a lens support frame 220 and a pressing plate 230. The numbers of the light source 200 and the light-emitting lens 300 are both multiple and one-to-one, and multiple light-emitting lenses 300 pass through the lens The supporting frame 220 is clamped and fixed to the pressing plate 230.

Further, the light emitting lens 300 is made of plastic material. Since plastic materials are more prone to static electricity accumulation, it is more necessary to provide the anti-static coating.

Further, the material of the light emitting lens 300 is one of polycarbonate, acrylic, or polymethyl methacrylate. Polycarbonate, acrylic or polymethyl methacrylate all have high light transmittance, and the light loss of the light beam passing through the light emitting lens 300 is small.

Obviously, the above-mentioned embodiments of the present utility model are merely examples to clearly illustrate the present utility model, and are not intended to limit the implementation of the present utility model. For those of ordinary skill in the art, other changes or modifications in different forms can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the claims of the utility model.

Claims

A dust-proof and fog-proof stage light, which is characterized by comprising a lamp holder (100). The two ends of the lamp holder (100) are respectively provided with a light source (200) and a light emitting lens (300), and the light emitting lens (300) is close to A hydrophilic coating is provided on one side of the light source (200), and an antistatic coating is provided on the side of the light-emitting lens (300) away from the light source (200).
The dust-proof and fog-proof stage light according to claim 1, wherein the light emitting lens (300) and the lamp holder (100) jointly form a sealed space, and the light source (200) is located in the sealed space.
The dust-proof and fog-proof stage light according to claim 1, characterized in that, in the lamp holder (100), a light-shielding sheet (111) with a through hole (111) is provided along the light path of the light source (200). 110) and a focusing lens (120), the light path passes through the light-passing hole (111).
The dust-proof and fog-proof stage light according to claim 1, wherein the light-emitting lens (300) comprises a light-emitting lens (310) far away from the light source (200) and a plurality of light-emitting lenses (310) close to the light source (200) The light transmitting mirror (320), the light emitting lens (310) is provided with an anti-static coating on the side away from the light source (200), and the light emitting lens (310) is provided with an antistatic coating on the side close to the light source (200). Water coating, both sides of the transparent mirror (320) are provided with hydrophilic coatings.
The dust-proof and fog-proof stage light according to claim 1, characterized in that, the light source (200) is a multi-color LED, and the lamp holder (100) is also provided to emit the light source (200) The light is condensed to the light guide body (210) or the condenser lens of the light emitting lens (300).
The dust-proof and fog-proof stage light according to claim 1, wherein the light-emitting lens (300) is made of plastic material.
The dust-proof and fog-proof stage light according to claim 6, characterized in that the material of the light emitting lens (300) is one of polycarbonate, acrylic or polymethyl methacrylate.
The dust-proof and fog-proof stage light of claim 1, wherein the hydrophilic coating material is parylene or a silicon derivative.
The dust-proof and fog-proof stage light according to claim 1, wherein the anti-static compound in the anti-static coating is tin oxide, zinc oxide, titanium oxide, indium oxide, cadmium oxide, antimony chloride, Tin chloride, tin oxide or antimony oxide.
The dust-proof and fog-proof stage light according to claim 9, wherein the mass percentage of the anti-static compound in the anti-static coating package is less than or equal to 3%. To