JP2022163393A - Ultraviolet irradiation device - Google Patents

Abstract

To provide an ultraviolet irradiation device capable of effectively irradiating only a desired location with ultraviolet light for the purpose of sterilization, pasteurization or disinfection, and thereby enabling an effective application of a sterilization, pasteurization or disinfection process to a desired location.SOLUTION: A device main body 20 corresponding to the ultraviolet irradiation device 10 includes: an ultraviolet irradiation part 30 configured to emit ultraviolet light UV; a mirror surface 46a being a metallic reflection surface exposing a metal that appropriately reflects the emitted ultraviolet light UV; and a reflector 40 capable of emitting direct light UV1 that directly irradiates an irradiation area IA being a desired location with the emitted ultraviolet light UV, and indirect light UV2 that is reflected at the mirror surface 46a so as to irradiate a desired location indirectly with ultraviolet light UV.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to an ultraviolet irradiation device capable of irradiating a desired position with ultraviolet rays for the purpose of disinfecting or sterilizing the position.

In general, as an optical instrument, various instruments have been proposed that suitably brighten only a desired portion by irradiating only a predetermined range with visible light. Such devices generally connect a light source to a device called a hood that guides the direction of the light emitted from the light source, so that the required light can be emitted only to the desired position. (see, for example, Patent Document 1).

In recent years, various techniques have been disclosed for irradiating ultraviolet rays, not only for the purpose of illumination as an optical device, but also for the purpose of disinfecting, sterilizing, or sterilizing the irradiated range (for example, Patent Document 2). reference).

Here, the technology disclosed in Patent Document 1 is used for the purpose of obtaining illumination to a desired position for a required period of time using visible light. On the other hand, the technique described in Patent Document 2 is mainly intended for disinfection, sterilization, or sterilization, so it is impossible to see visually due to the characteristics of ultraviolet rays, and continuous irradiation is essential. be.

Japanese Patent No. 4422886 JP 2020-151643 A

However, although the LED light source device of Patent Document 1 has a function of irradiating light only to a desired position, its application is mainly assumed to be a brake lamp of an automobile, etc. Therefore, it has a structure that can continuously irradiate. There are concerns about whether it will be possible. In fact, Patent Document 1 does not disclose any description that encourages continuous irradiation of light.

In addition, since the ultraviolet irradiation device of Patent Document 2 is for irradiating ultraviolet rays to the entire area where water flows, it irradiates ultraviolet rays not only to the desired point but also to a wide area including the desired point. is understood to be the purpose.

Here, in order to efficiently obtain the effects of disinfection, sterilization, and sterilization by ultraviolet rays while suppressing the power consumption of the device itself, a function of irradiating ultraviolet rays of a required output only to desired locations is required. It is the current situation.

SUMMARY OF THE INVENTION Therefore, the main object of the present invention is to provide an ultraviolet irradiation device capable of irradiating only a desired portion with a desired output of ultraviolet rays for the purpose of disinfecting, sterilizing, or sterilizing a desired portion.

The ultraviolet irradiation device according to the present invention has an ultraviolet irradiation part for irradiating ultraviolet rays, and a metal reflecting surface on which a metal for appropriately reflecting the irradiated ultraviolet rays is exposed. and a reflector capable of irradiating indirect light that reflects light and the metal reflecting surface to indirectly irradiate the desired portion with ultraviolet light. .

With such a device, it is possible to effectively irradiate ultraviolet rays for the purpose of disinfection, sterilization, or sterilization only to desired locations. As a result, it is possible to efficiently perform sterilization, sterilization, or sterilization treatment at desired locations.

In addition, by making the part of the reflector that reflects ultraviolet rays a metal reflective surface with exposed metal, it is possible to effectively avoid deterioration of the material over time due to ultraviolet rays and to enable continuous and stable use.

In addition, as a configuration for the reflector to guide the ultraviolet rays efficiently, the reflector is provided with a main body having an outer shape, a light guide section passing through the main body, and a mirror-finished surface of the light guide section. It is desirable to have a reflective surface portion, a light guide space surrounded by the reflective surface portion, and an irradiation port for guiding ultraviolet rays to the outside.

In order to guide the ultraviolet rays more efficiently, it is desirable that the shape of the light guide space is approximately conical.

When the shape of the light guide space is approximately conical, the angle formed by the opposing conical surfaces is preferably set to 5° to 25°, more preferably 10° to 20°, The most suitable angle is preferably 15°.

As a configuration of the reflective surface portion that can effectively secure the output of ultraviolet rays and that does not impair performance in continuous use, a configuration in which the reflective surface portion is provided by mirror-finishing aluminum can be mentioned.

In order to improve the durability without impairing the performance of the reflecting surface portion described above, it is desirable to form the reflector integrally with aluminum.

In order to suitably irradiate ultraviolet rays of a desired output, the ultraviolet irradiation section and the reflector should be constructed separately so that the ultraviolet irradiation section can be appropriately selected according to the application and installation location. is desirable.

As a configuration that can effectively demonstrate the function of the ultraviolet irradiation unit described above, the ultraviolet irradiation unit includes a housing that has an outer shape, a UV-LED fixed in the housing that can emit ultraviolet rays, and directs the ultraviolet rays toward the reflector. and a rib-shaped holding rib for holding the transmission plate to the housing.

In addition, as a configuration for accurately irradiating ultraviolet rays to a desired position, a base for supporting the ultraviolet irradiation part and the reflector is provided between the base and the reflector or the ultraviolet irradiation part, and the angle, position preferably further includes an arm configured to be freely adjustable.

Furthermore, it is preferable that the ultraviolet irradiation device has a heat dissipation member having an irradiation main body housing portion for housing the ultraviolet irradiation portion and the reflector, and a heat dissipation portion is provided on the outer peripheral surface of the reflector housing portion.

According to this invention, it is possible to effectively irradiate ultraviolet rays for the purpose of disinfection, sterilization, or sterilization only to desired locations. As a result, it is possible to provide an ultraviolet irradiating device capable of efficiently performing sterilization, sterilization, or sterilization treatment at a desired location.

The above object, other objects, features and advantages of the present invention will become more apparent from the following description of the mode for carrying out the invention with reference to the drawings.

BRIEF DESCRIPTION OF THE DRAWINGS It is an external perspective view which shows the ultraviolet irradiation device concerning one embodiment of this invention. 2 is an exploded perspective view of the ultraviolet irradiation device shown in FIG. 1. FIG. FIG. 2 is a cross-sectional view taken along line III-III of the ultraviolet irradiation device shown in FIG. 1; FIG. 3 is a configuration explanatory diagram showing a reflector of the same ultraviolet irradiation device; It is a perspective view which shows the board|substrate part of the same ultraviolet irradiation device. It is a side view of the same reflector. It is a front view of the same reflector. It is a rear view of the same reflector. FIG. 4 is an operation explanatory diagram according to the same embodiment;

An embodiment of the present invention will be specifically described below with reference to FIGS. 1 to 9. FIG.

FIG. 1 is an external perspective view showing an ultraviolet irradiation device according to one embodiment of the present invention. 2 is an exploded perspective view of the ultraviolet irradiation device shown in FIG. 1. FIG. FIG. 3 is a cross-sectional view of the ultraviolet irradiation device shown in FIG. 1 taken along line III-III. FIG. 4 is a configuration explanatory diagram showing a reflector of the ultraviolet irradiation device. FIG. 5 is a perspective view showing a substrate portion of the ultraviolet irradiation device. FIG. 6 is a side view of the same reflector. FIG. 7 is a front view of the same reflector. FIG. 8 is a rear view of the same reflector. FIG. 9 is an operation explanatory diagram according to the present embodiment.

The ultraviolet irradiation device 10 according to this embodiment will be described below. The ultraviolet irradiation device 10 is for local disinfection, sterilization, or sterilization in, for example, factories, offices, and general households. In particular, when it is used in general households, it is suitably used in places where various bacteria tend to propagate locally, such as where shoes are worn at the entrance. By using it in this way, it can effectively contribute to keeping the entire house clean in general households and the entire equipment in factories and offices.

The ultraviolet irradiation device 10 according to the present embodiment includes a device main body 20 including a hood member 22, an irradiation main body portion 24, and a heat dissipation member 26, a base 70 for supporting the device main body 20, and a base 70 and the device main body 20. and an arm 80 which is provided between and configured to freely adjust the angle and position of the device main body 20 . The device body 20 is supported on the distal end side of the arm 80 .

In this embodiment, the main structure of the ultraviolet irradiation device 10 is shown and described as the device main body 20 .

As described above, the device body 20 includes the hood member 22, the irradiation body portion 24, and the heat dissipation member 26. As shown in FIG.
The apparatus main body 20 has a hood member 22 on its front side and a heat radiation member 26 on its rear side. Inside the heat radiating member 26, the irradiation main body 24 is arranged. The front end of the irradiation main body 24 arranged inside the heat radiating member 26 is fixed by being pressed from the rear end of the hood member 22 via an annular cushioning member 28 .

The hood member 22 is provided to guide the ultraviolet rays UV emitted from the irradiation body portion 24 . Hood member 22 is formed in a cylindrical shape and is made of, for example, aluminum. An opening 22 a for irradiating the ultraviolet rays UV emitted from the irradiation main body 24 is provided on the tip side of the hood member 22 . A connecting portion 22 b for connecting with the heat radiating member 26 is provided on the rear end side of the hood member 22 . The connecting portion 22b is processed into, for example, a female thread. Inside the hood member 22, a hood-side ultraviolet guide portion 22c for guiding the ultraviolet rays UV emitted from the irradiation body portion 24 is provided.

The irradiation body part 24 has an ultraviolet irradiation part 30 that irradiates ultraviolet rays UV, and a mirror surface 46a that is a metal reflective surface in which a metal that appropriately reflects the irradiated ultraviolet rays UV is exposed, and the irradiated ultraviolet rays UV is directed to a desired place. and a reflector 40 that can irradiate direct light UV1 that directly irradiates the irradiation range IA and indirect light UV2 that reflects on the mirror surface 46a and indirectly irradiates the desired location with ultraviolet light UV. Characterized by

As shown in FIGS. 1 to 7, the device main body 20 has an ultraviolet irradiation section 30 and a reflector 40 as main components. In this embodiment, the ultraviolet irradiation section 30 and the reflector 40 are configured separately so that the ultraviolet irradiation section 30 can be selected according to the application and installation location.

The ultraviolet irradiation section 30 includes a substrate portion 32 and a substrate holding plate 34 for holding the substrate portion. The substrate portion 32 includes a UV-LED 36 capable of emitting ultraviolet rays UV. The substrate portion 32 includes a housing 38a having an outer shape for fixing the UV-LED 36, a transmission glass 38b as a transmission plate capable of transmitting ultraviolet rays UV toward the reflector 40, and the transmission glass 38b as a housing. It has a glass holding portion 38c which is a rib-shaped holding rib for holding the glass holding portion 38a. Although the wavelength of the ultraviolet rays UV emitted from the UV-LED 36 is, for example, 280 nm, the ultraviolet rays UV having a desired wavelength are appropriately set.
The ultraviolet irradiation section 30 is installed on the heat dissipation member 24 via the substrate holding plate 34 .

The reflector 40 includes a reflector main body 42 having an outer shape, an irradiation section contact section 44 for contacting the ultraviolet irradiation section 20 described above, and between the reflection section main body 42 and the irradiation section contact section 44. and an intermediate member 47 disposed thereon. In the reflector 40 , an ultraviolet guide portion 46 having a substantially conical shape is provided so as to pass through the reflecting portion main body 42 , the irradiation portion contact portion 44 and the intermediate member 47 . The ultraviolet guide portion 46 is formed, for example, by excavating the interior of the reflector 40 . The inner surface of the ultraviolet guide portion 46 has a mirror surface 46a. The mirror surface 46a is, for example, a metal reflecting surface. The mirror surface 46a is mirror-finished so as to efficiently reflect ultraviolet rays UV by subjecting the mirror surface 46a to a predetermined polishing so as to form a metal reflecting surface.

The reflector main body 42 is formed in a cylindrical shape. Inside the reflector main body 42, the ultraviolet guide section 46 is provided as described above. An irradiation port 48 for irradiating ultraviolet rays UV that have passed through the inside of the ultraviolet guide portion 46 is provided on the side opposite to the side where the intermediate member 47 is arranged with respect to the reflector main body 42 . It should be noted that the shape of the reflector main body 42 is not limited to a cylindrical shape. In addition, the outer diameter of the reflecting section main body 42 is formed to be larger than the outer diameter of the irradiating section contact section 44 and the outer diameter of the intermediate member 47, but is not limited to this.

The irradiation unit contact portion 44 is formed in a disc shape. The irradiation section contact section 44 is arranged on the opposite side of the reflection section main body 42 from the side where the irradiation port 48 is provided. An ultraviolet guide portion 46 is provided inside the irradiation portion contact portion 44 . The outer diameter of the irradiation section contact section 44 is smaller than the outer diameter of the reflector main body 44 and smaller than the outer diameter of the intermediate member 47 . On the side opposite to the side where the intermediate member 47 is arranged with respect to the irradiating section contact section 44 , an incident port 45 for entering the ultraviolet rays UV is provided in the ultraviolet guide section 46 . In addition, the ultraviolet irradiation section 30 is brought into contact with the surface of the irradiation section contact section 44 opposite to the side on which the intermediate member 47 is arranged. The ultraviolet rays UV emitted from the ultraviolet irradiation section 30 pass through the incident port 45 and are emitted toward the ultraviolet guide section 46 . It should be noted that the shape of the irradiation unit contact portion 44 is not limited to a disc shape. Further, the outer diameter of the irradiation section contact section 44 is formed to be smaller than the outer diameter of the reflecting section body 42 and smaller than the outer diameter of the intermediate member 47, but the present invention is not limited to this.

The intermediate member 47 is formed in a disc shape. The intermediate member 47 is connected and disposed on the side of the reflector body 42 opposite to the side on which the irradiation port 48 is provided. Further, the intermediate member 47 is connected to and disposed on the opposite side of the irradiation section contact section 44 from the side on which the incident port 45 is provided. An ultraviolet guide portion 46 is provided inside the intermediate member 47 . The outer diameter of the intermediate member 47 is smaller than the outer diameter of the reflecting section main body 42 and larger than the outer diameter of the irradiation section contact section 44 . As shown in FIG. 3, by providing the intermediate member 37 having an outer diameter smaller than that of the reflector main body 42, the wiring 90 from the ultraviolet irradiation section 30 can be led out from the apparatus main body 20 without hindrance.

In the ultraviolet guide portion 46 provided inside the reflector 40 , the central axis O from the irradiation portion contact portion 44 toward the reflection portion main body 42 passes through the center of the entrance port 45 and the center of the irradiation port 48 .

The shape of the ultraviolet guide portion 46 is substantially conical in this embodiment. This is to allow the UV-LED, which is a light source, to irradiate ultraviolet rays UV to the desired irradiation range IA most efficiently.

Since the ultraviolet guide portion 46 has a substantially conical shape as described above, the ultraviolet rays UV emitted from the irradiation port 38 are irradiated onto the irradiation target in a circular or elliptical shape.

Here, the ultraviolet guide section 46 will be described in detail. In particular, when describing the effect of the ultraviolet light guiding portion 46 in detail in terms of its general conical shape, the angle formed by arbitrary opposing conical surfaces is set to 5° to 25°. Specifically, the angle is preferably 8° to 20°, and is set to 15° as the most desirable example in this embodiment.

The reflector 40 is integrally formed of a reflector body 42, an irradiation part contact part 44, and an intermediate member 47. As shown in FIG. The reflector 40 is made of a metal that can be mirror-finished on the surface of an ultraviolet guide portion 46 that is provided so as to penetrate through the inside of the reflector 40 . The metal forming reflector 40 is preferably aluminum, for example, because it is easy to process. In the present embodiment, the mirror surface 46a of the ultraviolet guide portion 46 is formed by mirror-finishing aluminum. As a result, the ultraviolet rays UV from the ultraviolet irradiation section 30 are directly applied to the aluminum material. As described above, the reflector 40 is not made of resin but made of metal, so that it is possible to suppress deterioration of the constituent elements of the device main body 20 due to irradiation with ultraviolet rays UV. As a result, the device main body 20 according to this embodiment achieves a highly durable configuration because the constituent elements of the device main body 20 are less likely to deteriorate even after continuous use.

Here, as shown in FIG. 8, when the ultraviolet irradiation unit 30 irradiates the desired irradiation range IA with the ultraviolet rays UV, the ultraviolet rays UV are direct light that directly irradiates the desired irradiation range IA. UV1 and indirect light UV2, which is reflected on the mirror surface 46a, which is a metal reflecting surface, and then indirectly irradiates the desired irradiation range IA, are irradiated. As a result, the ultraviolet irradiation device 10 according to the present embodiment converges the ultraviolet rays UV in the desired irradiation range IA, thereby performing efficient irradiation with almost no loss of the output of the ultraviolet irradiation unit 30. We have achieved that.

The heat dissipation member 26 is formed in a cylindrical shape.
A front side portion 50 of the heat radiating member 26 is provided with a first heat radiating portion 52 on its outer peripheral surface. The first heat radiation part 52 is composed of a plurality of fins 52a. Inside the front side portion 50 of the heat radiating member 26, an irradiation main body housing portion 54 for housing the irradiation main body portion 24 is provided. In other words, the first heat radiation part 52 is arranged on the outer peripheral surface of the irradiation body storage part 54 . A connecting portion 56 for connecting with the hood member 22 is provided on the outer peripheral surface of the front end portion of the front side portion 50 of the heat radiating member 26 . The connecting portion 56 is processed into, for example, a male thread. The connecting portion 22b of the hood member 22 is screwed into the connecting portion 56 of the heat radiating member 26 via the cushioning member 28 to be integrated. At that time, the ultraviolet irradiation unit 30 and the reflector 40 are stored in the irradiation body storage unit 54 in this order. Then, the front end side of the reflector 40 is pressed by the buffer member 28 , so that the irradiation main body section 24 is arranged inside the irradiation main body storage section 54 . Therefore, the heat generated from the irradiation body section 24 can be efficiently radiated through the first heat radiation section 52 .

A second heat radiating portion 62 is arranged on the outer peripheral surface of the rear side portion 60 of the heat radiating member 26 . The second radiator 62 is composed of a plurality of fins 62a. The second heat dissipation part 62 has a first fin support part 64 on one side of the rear side part 60 and a second fin support part 64 on the other side. A cylindrical hollow portion 68 is arranged in the axial direction of the central portion of the heat radiating member 26 . One end of the hollow portion 68 is connected to the irradiation body storage portion 54 , and the other end is connected to the rear end surface of the rear side portion 60 of the heat dissipation member 26 . Accordingly, the cavity 68 extends through the rear portion 60 of the heat dissipation member 26 . In other words, when the irradiation body portion 24 is housed in the irradiation body housing portion 54, the heat generated from the irradiation body portion 24 is transmitted to the rear of the heat dissipation member 26 through the hollow portion 68, and furthermore, the second heat dissipation is performed. Heat can be efficiently dissipated through the portion 62 .

The base 70 is provided with a plate 72, a base main body portion 74 arranged on one side of the plate 72, and a side of the base main body portion 74 opposite to the side where the plate 72 is arranged, and supports a pair of plate-shaped arms. It has parts 76a and 76b. The plate 72 is formed in a flat plate shape to be placed on a floor surface, a wall surface, or another installation surface. The base main body portion 74 is formed in a columnar shape and is provided at a substantially central portion on one surface of the plate 42 . The arm support portion 76 is provided at a substantially central portion of the surface of the base body portion 74 opposite to the side on which the plate 72 is arranged.

In this embodiment, the base 70 is installed on a floor surface, a wall surface, or another installation surface by means of a plate 72 formed in a flat plate shape. It may have clamping means that can pinch a part of it, or it may use fixing means for fixing directly to the wall surface by screwing or the like.

The arm 58 rotatably supports the link members 84a and 84b as shown in FIG. 1, thereby supporting the device body 20 at a desired position and at a desired angle. More specifically, the arm 80 includes first hinges 82a and 82b supported by the arm support portions 76a and 76b and a rod-shaped base end rotatably supported by the first hinges 82a and 82b. A pair of link members 84a and 84b, second hinges 86a and 86b provided on the tip side of the pair of link members 84a and 84b, and the device by being operably supported by the second hinges 86a and 86b. It has a pair of plate-shaped device main body support portions 88a and 88b capable of supporting the main body 20 at a desired position and angle.

As shown in FIG. 3, the wiring 90 is led out from the substrate portion 32 of the ultraviolet irradiation portion 30, passes through the space defined by the intermediate member 47 of the reflector 40 and the irradiation body housing portion 54 of the heat dissipation member 20, and reaches the heat dissipation member. 20 is led out to the outside. The wiring 90 passes between the pair of links 84 a and 84 b of the arm 80 and is led out through the base body portion 74 of the base 70 .

As described above, the ultraviolet irradiation device 10 according to the present embodiment has the ultraviolet irradiation section 30 that irradiates ultraviolet rays UV, and the mirror surface 46a that is a metal reflecting surface in which the metal that appropriately reflects the irradiated ultraviolet rays UV is exposed. , a reflector 40 capable of irradiating direct light UV1 that directly irradiates a desired portion with the irradiated ultraviolet light UV1 and indirect light UV2 that reflects the irradiated ultraviolet light UV on a metal reflecting surface and indirectly irradiates the desired portion IA with the ultraviolet light UV2. characterized by comprising

By doing so, it is possible to effectively irradiate ultraviolet rays UV for the purpose of disinfection, sterilization, or sterilization only to the desired portion IA. As a result, the ultraviolet irradiation device 10 capable of efficiently performing the disinfection, sterilization, or sterilization treatment of the required portion IA is realized.

In the ultraviolet irradiation device 10 according to the present embodiment, the portion of the reflector 40 that reflects the ultraviolet rays UV is made a mirror surface 46a, which is a metal reflecting surface with exposed metal, so that deterioration of the material over time due to ultraviolet rays UV is prevented. While effectively avoiding this, it realizes continuous and stable use.

Further, as a configuration for the reflector 40 to efficiently guide the ultraviolet rays UV, the ultraviolet irradiation device 10 according to the present embodiment includes the reflector 40, which is a main body having an outer shape, and a reflector main body 42 that penetrates the main body. An ultraviolet light guiding portion 46 that is a light guide portion, a mirror surface 46a that is a reflecting surface portion provided by mirror-finishing the surface of the ultraviolet light guiding portion 46, and an irradiation port 48 that guides the ultraviolet light UV to the outside. there is

In order to guide the ultraviolet rays more efficiently, the ultraviolet ray guide portion 46 of the ultraviolet irradiation device 10 according to the present embodiment has a substantially conical shape.

In the ultraviolet irradiation device 10 according to the present embodiment, when the shape of the ultraviolet guide portion 46 is approximately conical, the angle formed by the opposing conical surfaces is desirably set to 5° to 25°, more desirably. is preferably 10° to 20°. In particular, in this embodiment, a mode in which the most suitable angle is 15° is applied.

In addition, the ultraviolet irradiation device 10 according to the present embodiment can effectively secure the output of ultraviolet rays UV, and realizes the configuration of the mirror surface 46a that is a reflective surface portion (metallic reflective surface) that does not impair the performance in continuous use. In addition, a mirror surface 46a, which is a reflecting surface portion (metallic reflecting surface), is provided by mirror-finishing the metal material forming the reflector 40. As shown in FIG.

Specifically, the ultraviolet irradiation device 10 according to the present embodiment does not impair the performance of the mirror surface 46a, which is the reflecting surface portion (metal reflecting surface) described above, and has a structure with improved durability. are integrally formed of aluminum, for example.

In order to suitably irradiate ultraviolet rays of a desired output, the ultraviolet irradiation device 10 according to the present embodiment includes the ultraviolet irradiation section 30 and the reflector 40 separately. The ultraviolet irradiation unit 30 can be selected as appropriate.

In the ultraviolet irradiation device 10 according to the present embodiment as a configuration capable of effectively exhibiting the functions of the ultraviolet irradiation unit 30 described above, the ultraviolet irradiation unit 30 includes a substrate unit 32 and a substrate holding plate for holding the substrate unit 32. 34. The substrate portion 32 includes a UV-LED 36 capable of emitting ultraviolet rays UV. The substrate portion 32 includes a housing 38a having an outer shape for fixing the UV-LED 36, a transmission glass 38b which is a transmission plate capable of transmitting ultraviolet rays UV toward the reflector 40, and a housing for the transmission glass 38b. A glass holding portion 38c having a function as a rib-shaped holding rib for holding on the body 38a is applied.

Further, as a configuration for accurately irradiating ultraviolet rays UV to a desired position, the ultraviolet irradiation device 10 according to the present embodiment includes a base 70 for supporting the device main body 20, and the base 70 and the device main body 20. It further has an arm 80 which is provided between them and whose angle and position can be freely adjusted.

Furthermore, the ultraviolet irradiation device 10 has a heat dissipation member 26 having an irradiation main body housing portion 54 for housing the ultraviolet irradiation portion 30 and the reflector 40, and the outer peripheral surface of the reflector housing portion 54 is provided with a first heat dissipation device. A portion 52 is provided.

As described above, the embodiments of the present invention are disclosed in the above description, but the present invention is not limited thereto. For example, in the above-described embodiment, the ultraviolet light guiding portion is disclosed to have a substantially conical shape, but it is of course possible to have a curved surface or a polygonal shape such as a triangular pyramid or quadrangular pyramid. There may be. That is, it is preferable that the shape of the ultraviolet guide portion is such that a desired irradiation range can be suitably irradiated with ultraviolet rays.

Further, the UV irradiation unit 30 in the device main body 20 of the embodiment of the present invention includes a UV-LED 36 capable of emitting UV rays as the substrate unit 32, but the present invention is not limited to this. An LED may be provided. That is, the electromagnetic waves irradiated by the device main body 20 according to the present invention are not limited to ultraviolet rays, and include visible rays and the like.

That is, without departing from the scope of the technical idea and purpose of the present invention, various modifications can be made to the above-described embodiments in terms of mechanism, shape, material, quantity, position, arrangement, etc. and they are included in the present invention.

REFERENCE SIGNS LIST 10 ultraviolet irradiation device 20 device main body 22 hood member 22a opening 22b connection portion 22c hood-side ultraviolet guide portion 24 irradiation main body portion 26 heat dissipation member 28 buffer member 30 ultraviolet irradiation portion 32 substrate portion 34 substrate holding plate 36 UV-LED
38a housing 38b transmission glass 38c glass holder 40 reflector 42 reflector main body 44 irradiation section contact section 45 entrance 46 ultraviolet guide section 46a mirror surface 47 intermediate member 48 irradiation opening 50 front side section 52 first heat dissipation section 52a fin 54 Irradiation body storage unit 54
56 connection portion 60 rear side portion 62 second heat dissipation portion 62a fin 64 first fin support portion 66 second fin support portion 68 cavity portion 70 base 72 plate 74 base body portion 76a, 76b arm support portion 80 arm 82a, 82b First hinge 84a, 84b Link member 86a, 86b Second hinge 88a, 88b Apparatus main body support θ Relative angle UV Ultraviolet UV1 Direct light UV2 Indirect light IA Irradiation range

Claims (11)

an ultraviolet irradiation unit for irradiating ultraviolet rays;
It has a metal reflective surface where the metal that appropriately reflects the irradiated ultraviolet rays is exposed, and the irradiated ultraviolet rays are reflected directly to the desired place and indirectly to the desired place. and a reflector capable of irradiating indirect light for indirectly irradiating ultraviolet rays. A portion of the reflector that reflects ultraviolet rays is a metal reflective surface that exposes the metal.
The ultraviolet irradiation device according to claim 1. a main body in which the reflector has an outer shape; an ultraviolet light guide section passing through the main body; a mirror surface provided by mirror-finishing the surface of the ultraviolet light guide section; and a light guiding space surrounded by the mirror surface; It has an irradiation port that guides ultraviolet rays to the outside,
The ultraviolet irradiation device according to claim 1 or 2. The light guide space has a substantially conical shape,
The ultraviolet irradiation device according to claim 3. In the roughly conical shape, the angle formed by the opposing conical surfaces is set to 5° to 25°.
The ultraviolet irradiation device according to claim 4. The mirror surface is provided by mirror-finishing aluminum,
The ultraviolet irradiation device according to any one of claims 3 to 5. wherein the reflector is integrally formed of aluminum,
The ultraviolet irradiation device according to any one of claims 1 to 6. The ultraviolet irradiation unit and the reflector are configured separately, and the ultraviolet irradiation unit can be selected according to the application and installation location.
The ultraviolet irradiation device according to any one of claims 1 to 7. The ultraviolet irradiation unit includes a housing having an outer shape, a UV-LED fixed in the housing capable of emitting ultraviolet rays, a transmission plate capable of transmitting the ultraviolet rays toward a reflector, and the transmission plate being held in the housing. and a rib-shaped retaining rib for
The ultraviolet irradiation device according to any one of claims 1 to 8. a base for supporting the ultraviolet irradiation unit and the reflector;
an arm provided between the base and the reflector or the ultraviolet irradiation section, and configured to be able to freely adjust the angle and position of the reflector or the ultraviolet irradiation section;
further comprising
The ultraviolet irradiation device according to any one of claims 1 to 9. A heat dissipation member having an irradiation main body storage portion for storing the ultraviolet irradiation portion and the reflector,
A heat dissipation part is provided on the outer peripheral surface of the reflector housing part,
The ultraviolet irradiation device according to any one of claims 1 to 10.

Images