CN107583249B

CN107583249B - Swimming goggles and preparation method of lenses thereof

Info

Publication number: CN107583249B
Application number: CN201710657917.2A
Authority: CN
Inventors: 王新华
Original assignee: Shenzhen Keyi Industry Co Ltd
Current assignee: Shenzhen Keyi Industry Co Ltd
Priority date: 2017-08-03
Filing date: 2017-08-03
Publication date: 2020-02-07
Anticipated expiration: 2037-08-03
Also published as: CN107583249A

Abstract

The invention relates to the technical field of new materials, in particular to swimming goggles, which comprise two lens monomers which are mirror-symmetrical with each other and a nose band connected between the inner edge ends of the two lens monomers; the lens is characterized by also comprising a head band connected between the outer edge ends of the two lens monomers; the edge of the lens monomer extends to the headband direction to form a side-looking part, and a waterproof gasket is wound on the edge of the side-looking part, so that the lens monomer is worn behind the periphery of the eyes to form a closed visible space with the periphery of the eyes; the lens monomer further comprises: and the antifogging layer, the transparent substrate and the hydrophobic layer are sequentially arranged away from the visual space. The invention also provides a preparation method of the lens. The swimming goggles of the invention are not easy to fog in the inside and hang water drops outside.

Description

Swimming goggles and preparation method of lenses thereof

Technical Field

The invention relates to the technical field of new materials, in particular to a structure of a lens and a preparation method thereof.

Background

Swimming goggles are often used in swimming. The swimming goggles enable people to observe the landscape or the situation in water, not only can protect eyes and improve the visual comfort degree, but also can increase the pleasure of people in water.

However, the quality and demand for swimming goggles is increasing and more problems are found in use. For example, after wearing goggles for a long time, the inside of the goggles is easily fogged, and the object can be seen again by taking off the goggles and wiping the object clean. In addition, if the swimming goggles move back and forth in water and on the water surface, water drops attached to the outer surfaces of the swimming goggles are difficult to be immediately clear when the swimming goggles float out of the water surface, the visual field is obstructed, and the swimming goggles are very inconvenient.

People hope to find a lens material and can solve the problem that the inside of swimming goggles is easy to fog, and the outside of swimming goggles is easy to hang water simultaneously.

Disclosure of Invention

In order to solve the above problems, the present invention provides swimming goggles, comprising: the nose band is connected between the inner edge ends of the two lens monomers; the lens is characterized by also comprising a head band connected between the outer edge ends of the two lens monomers; the edge of the lens monomer extends to the headband direction to form a side-looking part, and a waterproof gasket is wound on the edge of the side-looking part, so that the lens monomer is worn behind the periphery of the eyes to form a closed visible space with the periphery of the eyes; the lens monomer further comprises: and the antifogging layer, the transparent substrate and the hydrophobic layer are sequentially arranged away from the visual space.

Furthermore, the antifogging layer is made of a hydrophilic diamond-like carbon film, and the thickness of the antifogging layer is not more than 5 m.

Furthermore, the hydrophobic layer is made of a hydrophobic diamond-like carbon film, and the thickness of the hydrophobic layer is not more than 5 microns.

Furthermore, the crystal grain size of the antifogging layer is 50-100 nm.

Furthermore, the crystal grain size of the hydrophobic layer is 10-50 nm.

Further, the antifogging layer and/or the hydrophobic layer has an average light transmittance in the visible light region of more than 98%.

In addition, the invention also provides a preparation method of the lens, which comprises the following steps:

providing a transparent substrate;

introducing mixed gas of methane, hydrogen and oxygen into the reaction cavity by using a microwave plasma chemical vapor deposition method, controlling the microwave frequency to be 915MHz, the temperature to be 400 ℃, the microwave power to be 1.5 kw-2.5 kw and the air pressure to be 20-30 mbar, and forming a hydrophilic diamond-like carbon film on the lower surface of the transparent substrate;

introducing a mixed gas of methane, hydrogen and oxygen into the reaction cavity by using a microwave plasma chemical vapor deposition method, controlling the microwave frequency to be 915MHz, the temperature to be 400 ℃, the microwave power to be 3 kw-4 kw, and the air pressure to be 35-45 mbar, and forming a hydrophobic diamond-like carbon film on the upper surface of the transparent substrate.

Wherein, in the mixed gas: the volume flow ratio of the methane, the hydrogen and the oxygen is 3: 100: 1.

Wherein, in the mixed gas: the methane, hydrogen, and oxygen gases were at 12sccm, 400sccm, and 4sccm, respectively.

Wherein the forming speed of the hydrophilic diamond-like thin film and/or the hydrophobic diamond-like thin film is 1 μm/45-60 min.

Has the advantages that:

the invention forms a new lens by respectively forming the hydrophilic diamond-like film and the hydrophobic diamond-like film on the two surfaces of the transparent substrate, and the swimming goggles formed by the lens are not easy to fog in the swimming goggles and hang water drops outside, and people can still keep clear and clean vision after wearing for a long time.

Drawings

Fig. 1 is a schematic structural view of swimming goggles in embodiment 1 of the present invention.

FIG. 2 is a schematic structural diagram of a lens monomer according to example 1 of the present invention.

FIG. 3a is a Scanning Electron Microscope (SEM) image of the hydrophilic diamond-like carbon film in the lens monomer of example 1; FIG. 3b is a Scanning Electron Microscope (SEM) image of the hydrophobic diamond-like carbon film in the lens monomer of example 1.

FIG. 4 shows the transmittance test results of the hydrophilic diamond-like thin film in the lens monomer of example 1.

FIG. 5 shows the transmittance test results of the hydrophobic diamond-like thin film in the lens monomer of example 1.

Fig. 6 is a flow chart of the preparation of swimming goggles in accordance with embodiment 2 of the present invention.

Detailed description of the preferred embodiments

Example 1

The present embodiment provides swimming goggles, as shown in fig. 1, which include two lens units 10 that are mirror-symmetrical to each other, and a nose band 20 connected between inner edge ends of the two lens units 10; and a headband 30 connected between the outer peripheral ends of the two lens units 10. The edge of the lens unit 10 extends out of the side view portion 11 toward the headband 30, and the waterproof gasket 12 is wound around the edge of the side view portion 11, so that the lens unit 10 is worn around the eye (not shown) to form a sealed visible space 40 with the eye.

Further, referring to fig. 2, the lens portion of the lens unit 10 includes: and the antifogging layer 13, the transparent substrate 14 and the hydrophobic layer 15 are sequentially arranged away from the visible space 40. The material of the transparent substrate 14 may be organic glass, for example.

Preferably, the antifogging layer is made of a hydrophilic diamond-like carbon film, and the thickness of the antifogging layer is not more than 5 microns; further, as shown in FIG. 3a, the hydrophilic diamond-like thin film has a crystal grain size of 50 to 100 nm. On the other hand, the hydrophobic layer is made of a hydrophobic diamond-like carbon film, and the thickness of the hydrophobic layer is not more than 5 microns; in addition, as shown in fig. 3b, the size of the crystal grain diameter of the hydrophobic diamond-like carbon film is 10 to 50nm, and the hydrophobic diamond-like carbon film is more compact and shows better hydrophobicity compared with the hydrophilic diamond-like carbon film.

Further, as shown in fig. 5, the light transmittance of the hydrophilic layer obtained in the present invention in the visible light region of 400 to 700nm is above 90%, which indicates that the hydrophilic layer has a very high light transmittance.

And as shown in fig. 6, the light transmittance of the hydrophobic layer obtained by the invention in a visible light region of 400-700 nm is more than 90%, and the average light transmittance is 98.31%, which shows that the hydrophobic layer has very high light transmittance, so that the inner and outer surfaces of the visual field are clear and bright.

Example 2

Next, a method for manufacturing the swimming goggles is described, and as shown in fig. 4, the method includes the following steps:

step 1: a transparent substrate is provided. The transparent substrate can be organic glass, for example, and the surface impurities are removed by ultrasonic cleaning and dried for standby.

Step 2: and depositing an antifogging layer on the transparent substrate by using a microwave plasma chemical vapor deposition method.

Placing the prepared transparent substrate into a reaction chamber, wherein the volume flow ratio in the reaction chamber is 3: 100: 1 introducing mixed gas of methane, hydrogen and oxygen. Preferably, the standard gas flow rates of methane, hydrogen and oxygen are controlled in this embodiment as follows: methane at 12sccm and hydrogen at 400sccm and oxygen at 4 sccm. Further, the reaction conditions were controlled: the microwave frequency is 915MHZ, the temperature is 400 ℃, the microwave power is 1.5-2.5 kw, and the air pressure is 20-30 mbar, and a hydrophilic diamond-like carbon film is formed on the lower surface of the transparent substrate. Specifically, the coating speed of the hydrophilic diamond-like carbon film is preferably 45-60 min, 1 micron is deposited, and the hydrophilic diamond-like carbon film with the thickness close to 5 microns (the maximum thickness is not more than 10 microns) is formed to be used as an anti-fog layer. The crystal grain size of the hydrophilic diamond-like carbon film is 50-100 nm, and good hydrophilicity is shown.

And step 3: and depositing a hydrophobic layer on the transparent substrate by using a microwave plasma chemical vapor deposition method.

Placing the prepared transparent substrate into a reaction chamber, wherein the volume flow ratio in the reaction chamber is 3: 100: 1 introducing mixed gas of methane, hydrogen and oxygen. Preferably, the standard gas flow rates of methane, hydrogen and oxygen are controlled in this embodiment as follows: methane at 12sccm and hydrogen at 400sccm and oxygen at 4 sccm. Further, controlling the microwave frequency of 915MHZ, the temperature of 400 ℃, the power of 3 kw-4 kw and the air pressure of 35-45 mbar, and forming a hydrophobic diamond-like film on the upper surface of the transparent substrate as a hydrophobic layer. Specifically, the coating speed of the hydrophobic diamond-like carbon film is preferably 45-60 min, 1 micron is deposited, and the hydrophobic diamond-like carbon film with the thickness close to 5 microns (the maximum thickness is not more than 10 microns) is formed to serve as a hydrophobic layer. The hydrophobic diamond-like carbon film has a crystal grain size of 10-50 nm and shows good hydrophobicity.

Thus, a lens having one hydrophilic side and one hydrophobic side can be obtained.

Of course, the preparation steps of step 2 and step 3 may be interchanged in sequence.

Adopt lens preparation lens monomer and goggles that this embodiment obtained, be difficult to the fog in, be difficult to the outer water droplet that hangs, people wear still can keep clear, clean field of vision for a long time. The invention is not limited thereto, and the lenses obtained by the invention can also be applied to other products, such as diving goggles, underwater decorative glasses, and the like.

Claims

1. Swimming goggles, comprising: the nose band is connected between the inner edge ends of the two lens monomers; the lens is characterized by also comprising a head band connected between the outer edge ends of the two lens monomers; the edge of the lens monomer extends to the headband direction to form a side-looking part, and a waterproof gasket is wound on the edge of the side-looking part, so that the lens monomer is worn behind the periphery of the eyes to form a closed visible space with the periphery of the eyes; characterized in that the lens monomer further comprises: the antifogging layer, the transparent substrate and the hydrophobic layer are sequentially arranged away from the visible space; the antifogging layer is made of a hydrophilic diamond-like carbon film, and the thickness of the antifogging layer is not more than 5 microns; the crystal grain size of the anti-fog layer is 50-100 nm; the hydrophobic layer is made of a hydrophobic diamond-like carbon film, and the thickness of the hydrophobic layer is not more than 5 mu m; the crystal grain size of the hydrophobic layer is 10-50 nm; the antifogging layer and/or the hydrophobic layer has an average light transmittance in the visible light region of more than 98%.

2. A preparation method of a lens is characterized by comprising the following steps:

providing a transparent substrate;

3. The method for preparing a lens according to claim 2, wherein in the mixed gas: the volume flow ratio of the methane, the hydrogen and the oxygen is 3: 100: 1.

4. a method for producing a lens according to claim 2 or 3, wherein in the mixed gas: the volume flow rates of the methane, the hydrogen and the oxygen are respectively 12sccm, 400sccm and 4 sccm.

5. The method for producing a lens according to claim 2, wherein the hydrophilic diamond-like thin film and/or the hydrophobic diamond-like thin film is formed at a rate of 1 μm/45 to 60 min.