KR20150004037A - Window of camera, camera having it and manufacturing method for window of camera - Google Patents

Abstract

The present invention relates to a camera window which can be installed on a monitoring camera, a camera including the camera window, and a camera window manufacturing method thereof. The camera window includes: a light-shielding unit which is made of an opaque material to cut off the abnormal inflow of the light emitted from the camera′s light emitting unit into the camera′s recording unit; a first window unit which is made of a light-transmitting material and is integrally formed on the outer diameter surface of the light-shielding unit; and a second window unit which is also made of a light-transmitting material and is integrally formed on the inner diameter surface of the light-shielding unit.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a window of a camera, a camera having the camera,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a window of a camera, a camera having the camera, and a method of manufacturing a window of the camera, and more particularly, to a window of a camera that can be installed in a surveillance camera.

In general, surveillance cameras include cameras and lighting devices to enable shooting in environments including the snow, rainy four seasons, day and night, and indoor and outdoor. For example, a surveillance camera shoots an image with a camera and makes it possible to shoot even when there is a lack of nighttime or sunshine by using a light source such as a flash or an illumination.

However, in such a conventional surveillance camera, there is a problem that light emitted from the light emitting portion is reflected on a window provided in front of the camera and abnormally flows into the photographing portion of the camera, and such abnormal incoming light causes noise in the image photographing. In addition, in the conventional camera window, a plurality of parts are assembled to generate a clearance between the components, thereby causing water, moisture, and moisture to penetrate into the camera. That is, there has been a need to solve the waterproof failure and the problem that the image is not captured properly because the light is excessively incident on the camera.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a window for a camera capable of completely waterproofing and completely shielding light emitted from a light- And a method of manufacturing a window of a camera. However, these problems are exemplary and do not limit the scope of the present invention.

According to an aspect of the present invention, there is provided a window of a camera comprising: a light-shielding portion of an opaque material for blocking light from being incident on an image pickup portion of a camera, A first window portion of a light-transmitting material formed integrally with the light-shielding portion on an outer surface of the light-shielding portion; And a second window portion of a transparent material formed integrally with the light-shielding portion on the inner surface of the light-shielding portion.

According to an aspect of the present invention, the light blocking portion may have a tip end protruding between the first window portion and the second window portion.

According to an aspect of the present invention, the shielding portion includes: a pipe-shaped intermediate portion having a first thickness; And a head portion provided at a distal end of the intermediate portion, the head portion having a stepped surface at one side and a second thickness.

According to an aspect of the present invention, the first window portion may include: a first plane portion provided in an optical path of the light emitting portion; And a pipe-shaped outer diameter portion formed integrally with the first plane portion and contacting the outer diameter surface of the light-shielding portion.

According to an aspect of the present invention, the second window portion may include: a second plane portion provided in an optical path of the photographing portion; And a pipe-shaped inner diameter surface portion formed integrally with the second flat portion and contacting the inner diameter surface of the light-shielding portion.

According to an aspect of the present invention, the second flat surface portion may be formed with a stepped portion from the first flat surface portion of the first window portion provided in the optical path of the light emitting portion.

According to an aspect of the present invention, the first window portion and the second window portion may be formed by injection molding of the first window portion and the second window portion in a state where the shielding portion is inserted into the mold. have.

The first window portion and the second window portion are made of a transparent material, and the light path of the light emitting portion and the light path of the photographing portion are made of a transparent material, And a matt surface treatment surface may be formed on one side or both sides of the first window portion and the second window portion with respect to the light shielding portion.

According to an aspect of the present invention, there is provided a camera including: a light emitting unit capable of irradiating a subject; A photographing unit capable of photographing a subject; A light shielding part made of an opaque material which shields light so that the light of the light emitting part is not abnormally introduced into the photographing part of the camera; A first window portion of a light-transmitting material formed integrally with the light-shielding portion on an outer surface of the light-shielding portion; And a second window portion of a transparent material formed integrally with the light-shielding portion on the inner surface of the light-shielding portion.

According to another aspect of the present invention, there is provided a method of manufacturing a window for a camera, the method comprising the steps of: inserting a light shielding portion of an opaque material into the mold to block light from being incident on the camera, Miner part inserting step; And a first window portion of a light-transmitting material is formed integrally with the light-shielding portion on an outer surface of the light-shielding portion, and a second window portion of a light-transmitting material is formed integrally with the light- And an insert injection molding step for insert injection molding the base material.

According to an aspect of the present invention, the insert injection molding step may be such that a tip end of the light-shielding portion protrudes between the first window portion and the second window portion.

According to an aspect of the present invention, a gate portion of the metal mold may include a rear end of the light shielding portion, a rear end of the first window portion, and a rear end of the light shielding portion so that the base material of the transparent material may be simultaneously introduced into the first window portion and the second window portion. And the rear end of the second window part.

According to some embodiments of the present invention as described above, it is possible to prevent noise light and to shoot a high-quality image, and it is possible to improve the waterproof property, the strength and durability of the component by the integral insert injection molding, It is possible to improve the productivity and reduce the cost. Of course, the scope of the present invention is not limited by these effects.

1 is an exploded perspective view of a part of a camera according to some embodiments of the present invention.
2 is a cross-sectional view of the component assembly of Fig.
3 is an enlarged view of the shielding portion of Fig.
4 is a cross-sectional view showing a light-shielding portion inserting step of a method of manufacturing a window of a camera according to some embodiments of the present invention.
5 is a cross-sectional view illustrating an insert injection molding step of a method of manufacturing a window of a camera according to some embodiments of the present invention.
Figure 6 is a flow chart illustrating a method of manufacturing a window of a camera in accordance with some embodiments of the present invention.
Figures 7-11 are cross-sectional views illustrating windows of a camera in accordance with some various embodiments of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention are described in order to more fully explain the present invention to those skilled in the art, and the following embodiments may be modified into various other forms, It is not limited to the embodiment. Rather, these embodiments are provided so that this disclosure will be more thorough and complete, and will fully convey the concept of the invention to those skilled in the art. In the drawings, the thickness and size of each layer are exaggerated for convenience and clarity of explanation.

It is to be understood that throughout the specification, when an element such as a film, region or substrate is referred to as being "on", "connected to", "laminated" or "coupled to" another element, It will be appreciated that elements may be directly "on", "connected", "laminated" or "coupled" to another element, or there may be other elements intervening therebetween. On the other hand, when one element is referred to as being "directly on", "directly connected", or "directly coupled" to another element, it is interpreted that there are no other components intervening therebetween do. Like numbers refer to like elements. As used herein, the term "and / or" includes any and all combinations of one or more of the listed items.

Although the terms first, second, etc. are used herein to describe various elements, components, regions, layers and / or portions, these members, components, regions, layers and / It is obvious that no. These terms are only used to distinguish one member, component, region, layer or section from another region, layer or section. Thus, a first member, component, region, layer or section described below may refer to a second member, component, region, layer or section without departing from the teachings of the present invention.

Also, relative terms such as "top" or "above" and "under" or "below" can be used herein to describe the relationship of certain elements to other elements as illustrated in the Figures. Relative terms are intended to include different orientations of the device in addition to those depicted in the Figures. For example, in the figures the elements are turned over so that the elements depicted as being on the top surface of the other elements are oriented on the bottom surface of the other elements. Thus, the example "top" may include both "under" and "top" directions depending on the particular orientation of the figure. If the elements are oriented in different directions (rotated 90 degrees with respect to the other direction), the relative descriptions used herein can be interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a," "an," and "the" include singular forms unless the context clearly dictates otherwise. Also, " comprise "and / or" comprising "when used herein should be interpreted as specifying the presence of stated shapes, numbers, steps, operations, elements, elements, and / And does not preclude the presence or addition of one or more other features, integers, operations, elements, elements, and / or groups.

Hereinafter, embodiments of the present invention will be described with reference to the drawings schematically showing ideal embodiments of the present invention. In the figures, for example, variations in the shape shown may be expected, depending on manufacturing techniques and / or tolerances. Accordingly, the embodiments of the present invention should not be construed as limited to the particular shapes of the regions shown herein, but should include, for example, changes in shape resulting from manufacturing.

FIG. 1 is a fragmentary exploded perspective view showing a window 100 of a camera according to some embodiments of the present invention, FIG. 2 is a part assembly sectional view of FIG. 1, and FIG. 3 is an enlarged view .

1 to 3, a window 100 of a camera according to some embodiments of the present invention includes a light shielding portion 10, a first window portion 21 and a second window portion 21, (22).

1 to 3, the light-shielding portion 10 includes a light-shielding structure for blocking light such that the light of the light-emitting portion 1 of the camera is not abnormally introduced into the photographing portion 2 of the camera, More specifically, it may be a pipe-like structure.

The light-shielding portion 10 may be made of a black opaque polycarbonate material or may be made of various resin materials such as silicone, rubber, polypropylene, polyethylene, etc., containing pigments .

The light shielding portion 10 may have a tip end protruding between the first window portion 21 and the second window portion 21 in order to further improve the light blocking property.

In addition, for example, the first window portion 21 and the second window portion 22 may be insert injection-molded integrally with the light-shielding portion 10.

2, the first window part 21 is integrally formed with the light-shielding part 10 on the outer diameter surface 10a of the pipe-shaped light-shielding part 10, and for example, Polyethylene, polypropylene, urethane, acrylic, glass, or the like so that the light of the light emitting portion 1 can be irradiated forward.

2, the second window portion 22 is integrally formed with the light-shielding portion 10 on the inner diameter surface 10b of the light-shielding portion 10, and for example, Such as polycarbonate, polyethylene, polypropylene, urethane, acrylic, or glass, so that the image can be taken on the substrate 2.

On the other hand, more specifically, as shown in Fig. 3, the light-shielding portion 10 may have an intermediate portion 10-1 and a head portion 10-2.

For example, the intermediate portion 10-1 may be a pipe having a first thickness T1, the head portion 10-2 may be provided at the tip of the intermediate portion 10-1, A stepped surface 10-2a may be formed on one side and may have a ring shape having a second thickness T2. Here, the first thickness T1 and the second thickness T2 may be the same thickness.

2, for example, the first window portion 21 may be composed of a first plane portion 21-1 and an outer diameter portion 21-2, The portion 22 may be composed of the second flat surface portion 22-1 and the inner surface portion 22-2.

More specifically, as shown in FIG. 2, the first plane portion 21-1 may be a flat portion provided in the optical path of the light emitting portion 1, and the outer surface portion 21-2 May be a pipe-shaped portion integrally formed with the first plane portion 21-1 and contacting the outer diameter surface 10a of the light-shielding portion 10.

The second plane portion 22-1 may be a flat portion provided in the optical path of the photographing portion 2 and the inner plane portion 22-2 may be a flat portion provided on the second plane portion 22- 1 which is integrally formed with the inner surface 10b of the light-shielding portion 10 and is in contact with the inner surface 10b of the light-shielding portion 10.

3, the light-shielding portion 10 may be formed with a matte surface treatment surface 10-3 made of an opaque material so as to further improve the opacity of the light-shielding portion 10 . Here, the matte surface treatment surface 10-3 can be subjected to various types and kinds of matte surface treatment, such as coating a matte pigment or forming a fine uneven surface on the surface.

Of course, the first window part 21 and the second window part 22 may be configured such that the light of the light emitting part 1 can be well irradiated to the outside, and the photographing part 2 can photograph the object well The surface treatment surfaces 21-3 and 22-3 are made of a transparent material, and the surface treatment surfaces 21-3 and 22-3 are formed at portions corresponding to the light path of the light emitting unit 1 and the light path of the photographing unit 2 .

3, the light shielding portions 10 of the first window portion 21 and the second window portion 22 may be formed so as to improve the opacity of the light shielding portion 10, The matte surface treatment surfaces 21-4 and 22-4 may be formed on the one or both of the surfaces. Here, the matte surface treatment surfaces 21-4 and 22-4 are formed by coating a matte pigment, forming a fine uneven surface on the surface, or the like so as to absorb or scatter abnormal light, Surface treatment is possible.

FIG. 4 is a cross-sectional view illustrating a step of inserting a light shield portion in a method of manufacturing a window of a camera according to some embodiments of the present invention, and FIG. 5 is a view showing an insert injection molding step of a method of manufacturing a window of a camera according to some embodiments of the present invention And Fig. 6 is a flowchart showing a method of manufacturing a window of a camera according to some embodiments of the present invention.

4 to 6, a method of manufacturing a window of a camera according to some embodiments of the present invention may include a light shield portion inserting step S1 and an insert injection molding step S2.

4, the light-shielding portion inserting step S1 is a step of inserting the light-shielding portion of the light-emitting portion 1 of the camera into the light- The step of inserting the light-shielding portion 10 into the molds M1 and M2.

5, the insert injection molding step S2 includes a step of forming a first window portion 21 of a light-transmitting material on the outer surface 10a of the light-shielding portion 10, And the second window portion 22 of the light-transmitting material is integrally formed with the light-shielding portion 10 on the inner surface 10b of the light-shielding portion 10, It may be an insert injection molding step.

As shown in FIG. 5, the gate of the mold M1 may be formed so that the base material 3 of the transparent material may be simultaneously introduced into the first window portion 21 and the second window portion 22, The portion G may be formed to correspond to the rear end of the light-shielding portion 10, the rear end of the first window portion 21, and the rear end of the second window portion 22, respectively. The gate G is formed so as to correspond to the tip end of the light blocking portion 10 opposite to the illustrated position and the tip end of the first window portion 21 and the tip end of the second window portion 22 .

4 and 5, the light-shielding portion 10 and the first window portion 21 and the second window portion 22 are formed such that the light-shielding portion 10 covers the mold M1 The first window part 21 and the second window part 22 may be formed by insert injection through the gate part G. [

1 to 3, a camera according to some embodiments of the present invention includes a light emitting unit 1 capable of irradiating a subject, a photographing unit 2 capable of photographing a subject, A light shielding part 10 made of an opaque material for shielding light from the light emitted from the light emitting part 1 so that the light does not flow into the photographing part 2 of the camera, A first window portion 21 of a transparent material formed integrally with the shielding portion 10 and a second window portion 21 of a transparent material formed integrally with the shielding portion 10 on the inner surface 10b of the shielding portion 10, And may include a window portion 22.

Figures 7-11 are cross-sectional views illustrating windows of a camera in accordance with some various embodiments of the present invention.

As shown in FIG. 7, for example, the first window portion 21 is formed of only the first plane portion 21-1, and the above-described outer surface portion 21-2 may be omitted . Further, the second window portion 22 is formed of only the second flat surface portion 22-1, and the inner surface portion 22-2 described above may be omitted. In this case, the product can be made lighter.

At this time, in the light-shielding portion 10, the first thickness T1 and the second thickness T2 of the intermediate portion 10-1 and the head portion may be equal to each other.

8, for example, the second plane portion 22-1 may be formed on the first plane portion of the first window portion 21 provided in the optical path of the light emitting portion 1 21-1 and the spacing step D1 may be formed. In this case, since the planar portions have the step difference D1, it is possible to effectively apply to various structures.

9, the outer surface 21-2 and the inner surface 22-2 of the first plane portion 21-1 and the second plane portion 22-1 of FIG. 2) can be applied without being omitted.

10, the first window portion 21 may include only the first plane portion 21-1, the outer diameter portion 21-2 may be omitted, The second window portion 22 is composed of only the second flat surface portion 22-1, and the inner surface portion 22-2 described above may be omitted. In this case, for example, the second flat surface portion 22-1 may include a first flat surface portion 21-1 of the first window portion 21 provided in the light path of the light emitting portion 1, The spacing stepped portion D2 can be formed. In this case, since the planar portions have the step difference D2, the present invention can be effectively applied to various structures.

11, the outer diameter surface portion 21-2 and the inner diameter surface portion 22-2 of the first plane portion 21-1 and the second plane portion 22-1 of Fig. 2) can be applied without being omitted.

Therefore, through the various embodiments, the window of the camera according to the present invention is an insert injection structure, which improves the strength and durability of the product, and completely blocks waterproof and abnormal light paths.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

1:
2:
10:
10a: outer diameter face
10b: inner surface
21: first window portion
22: second window portion
100: Window
T1: first thickness
T2: second thickness
10-1: Middle part
10-2: Head
10-2a:
21-1: first plane portion
21-2: outer diameter surface
22-1: second plane portion
22-2: Inner diameter surface
10-3, 21-4, and 22-4: a matte surface treatment face
21-3, 22-3: Cemented carbide surface treated surface
M1, M2: Mold
G: Gate portion
S1: Insert the light shield
S2: insert injection molding step
D1, D2: separation step

Claims (12)

A light shielding part made of an opaque material for shielding the light from the light emitting part of the camera so as to prevent the light from entering the photographing part of the camera abnormally;
A first window portion of a light-transmitting material formed integrally with the light-shielding portion on an outer surface of the light-shielding portion; And
A second window portion of a light-transmitting material formed integrally with the light-shielding portion on an inner surface of the light-shielding portion;
The camera window. The method according to claim 1,
Wherein the shielding portion has a tip projecting between the first window portion and the second window portion. The method according to claim 1,
The light-
A pipe-shaped intermediate portion having a first thickness; And
A head portion provided at a tip of the intermediate portion and having a stepped surface at one side and having a second thickness;
The camera window. The method according to claim 1,
Wherein the first window portion comprises:
A first plane portion provided in an optical path of the light emitting portion; And
A pipe-shaped outer diameter portion formed integrally with the first plane portion and contacting the outer diameter surface of the light-shielding portion;
The camera window. The method according to claim 1,
Wherein the second window portion comprises:
A second plane portion provided on an optical path of the photographing portion; And
A tubular inner diameter surface portion formed integrally with the second flat surface portion and contacting the inner diameter surface of the light shielding portion;
The camera window. 6. The method of claim 5,
Wherein the second flat surface portion is formed with a stepped portion from a first flat surface portion of the first window portion provided in the optical path of the light emitting portion. The method according to claim 1,
Wherein the light shielding portion and the first window portion and the second window portion are formed by insert injection into the first window portion and the second window portion in a state where the shielding portion is inserted into the mold. The method according to claim 1,
Wherein the light-shielding portion has a matte surface treatment surface of an opaque material,
Wherein the first window portion and the second window portion are made of a transparent material and have a hard surface treatment surface at a portion corresponding to the optical path of the light emitting portion and the optical path of the photographing portion, And a matte surface treatment surface is formed on one or both sides corresponding to the light shielding portion. A light emitting portion capable of irradiating a subject;
A photographing unit capable of photographing a subject;
A light shielding part made of an opaque material which shields light so that the light of the light emitting part is not abnormally introduced into the photographing part of the camera;
A first window portion of a light-transmitting material formed integrally with the light-shielding portion on an outer surface of the light-shielding portion; And
A second window portion of a light-transmitting material formed integrally with the light-shielding portion on an inner surface of the light-shielding portion;
. Inserting a light shielding portion of an opaque material into a mold to shield light from the light emitting portion of the camera so that the light does not flow into the photographing portion of the camera abnormally; And
A first window portion of a transparent material is formed integrally with the light shielding portion on an outer surface of the light shielding portion and a second window portion of a light transmitting material is formed integrally with the light shielding portion on the inner surface of the light shielding portion, An insert injection molding step for insert injection molding;
The method comprising the steps of: 11. The method of claim 10,
Wherein the insert injection molding step is such that a tip end of the light shielding part protrudes between the first window part and the second window part. 11. The method of claim 10,
The gate portion of the mold may be provided with a rear end of the light shielding portion and a rear end of the first window portion and a rear end of the second window portion or a rear end of the second window portion, The tip of the light portion, the tip of the first window portion, and the tip of the second window portion.

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