KR20200048667A - Ultraviolet sterillizing apparatus - Google Patents

Abstract

According to an embodiment, disclosed is an ultraviolet sterilizing apparatus comprising: a case; a door coupled to a first opening of the case; a fan coupled to a second opening of the case; and a cradle and an ultraviolet ray radiation module disposed in the case. The cradle comprises a first inclined surface facing the first opening, and a support surface bent from the first inclined surface. The ultraviolet ray radiation module comprises: a heat dissipation frame including a second inclined surface facing the support surface; a circuit board disposed on the second inclined surface; and a first light emitting element disposed on the circuit board. The first inclined surface forms a first acute angle with the bottom surface of the case, and the second inclined surface forms a second acute angle with the bottom surface of the case.

Description

Ultraviolet sterilization device {ULTRAVIOLET STERILLIZING APPARATUS}

The embodiment relates to a UV sterilization device.

Conventional ultraviolet sterilization apparatus is generally a structure in which an ultraviolet lamp is installed in a box-shaped case.

The ultraviolet sterilizing device having such a structure can provide a general purpose sterilizing effect, but does not consider product characteristics such as the shape of the product, and thus has a problem in that it cannot provide a sufficient sterilizing effect.

In addition, the energy efficiency of the UV lamp is not good, the power consumption is large, and there is a concern that heat may be generated to cause thermal damage, and there is a problem that a lot of time is required for sterilization.

Particularly, in the case of an ultraviolet sterilization device installed in a store directly visited by a consumer and sterilizing a sample product for testing such as lipstick, in spite of the fact that sterilization must be completed within a short time of about 10 seconds, when an ultraviolet lamp is used, ultraviolet light There was a problem that only the warm-up time required for investigation was about 60 seconds or more.

The embodiment provides an ultraviolet sterilization device for irradiating ultraviolet light with a sufficient amount of light to the object to be sterilized.

The problem to be solved in the embodiment is not limited to this, and it will be said that the object or effect that can be grasped from the solution means or the embodiment of the problem described below is also included.

Ultraviolet sterilization apparatus according to an aspect of the present invention, the case; A door coupled to the first opening of the case; A fan coupled to the second opening of the case; And a cradle and an ultraviolet irradiation module disposed in the case, wherein the cradle includes a first inclined surface facing the first opening, and a support surface bent from the first inclined surface, wherein the ultraviolet irradiation module comprises: A heat dissipation frame including a second inclined surface facing the support surface; A circuit board disposed on the second inclined surface; And a first light emitting element disposed on the circuit board, the first inclined surface forming a first acute angle with the bottom surface of the case, and the second inclined surface forming a second acute angle with the bottom surface of the case. have.

The heat dissipation frame includes a third inclined surface opposite to the second inclined surface, and a plurality of radiating protrusions disposed on the third inclined surface, wherein the first inclined surface is parallel to the first direction, and the support surface is the first Parallel to the second direction crossing the one direction, the plurality of heat dissipating projections may be disposed spaced apart from each other in a third direction perpendicular to the first direction and the second direction.

One end surface of the heat dissipation protrusion may face the fan, the third inclined surface may form a third acute angle with one surface of the fan, and one end surface of the heat dissipation protrusion may be parallel to one surface of the fan.

The first light emitting device may output light having an ultraviolet wavelength band as a peak wavelength.

The ultraviolet irradiation module includes a second light emitting device disposed on the circuit board, and the second light emitting device can output light having a visible wavelength band as a peak wavelength.

The door includes a window, and the window suppresses transmission of ultraviolet light, but allows transmission of visible light.

The ultraviolet irradiation module includes a pair of reflective members disposed on the second inclined surface, the first inclined surface is parallel to the first direction, and the support surface is in a second direction crossing the first direction. Parallel, the pair of reflective members are disposed to face each other in the second direction, and the first light emitting element may be disposed between the pair of reflective members.

The distance between the pair of reflective members may increase as the distance from the second inclined surface increases.

It may include a touch screen that receives the driving signal of the first light emitting element.

The cradle includes a mounting portion disposed on the first inclined surface, the first inclined surface is parallel to the first direction, and the mounting portion may include a seating groove parallel to the first direction.

The ultraviolet sterilization apparatus according to the embodiment may irradiate ultraviolet light having a sufficient amount of light to the object to be sterilized.

Various and beneficial advantages and effects of the present invention are not limited to the above, and will be more easily understood in the course of describing specific embodiments of the present invention.

1 is a cross-sectional view of an ultraviolet sterilization device according to an embodiment of the present invention,
Figure 2 is an enlarged view of part A of Figure 1,
3 is a view showing the results of the fluid simulation of Figure 1,
4 is an installation example of FIG. 1,
5 is a perspective view of FIG. 1,
6 is a driving example of FIG. 1,
7 is a touch screen screen of FIG. 5,
8 is a modified example of FIG. 7,
9 is another modified example of FIG. 7,
10 is an exploded perspective view of FIG. 1,
11 is a perspective view of the cradle of FIG. 10,
12 is a view looking at the cradle of Figure 10 in a direction parallel to the Y-axis direction,
13 is a cross-sectional view taken along line AA of FIG. 12,
14 is a perspective view of the UV irradiation module of FIG. 10,
15 is an exploded perspective view of FIG. 14,
16 is a plan view of FIG. 14.

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

However, the technical idea of the present invention is not limited to some described embodiments, and may be implemented in various different forms, and within the technical thought scope of the present invention, one or more of the components between the embodiments may be selectively selected. It can be used by bonding and substitution.

In addition, terms (including technical and scientific terms) used in the embodiments of the present invention, unless specifically defined and specifically described, can be generally understood by those skilled in the art to which the present invention pertains. It can be interpreted as meaning, and commonly used terms, such as predefined terms, may interpret the meaning in consideration of the contextual meaning of the related technology.

In addition, the terms used in the embodiments of the present invention are for describing the embodiments and are not intended to limit the present invention.

In the present specification, a singular form may also include a plural form unless specifically stated in the phrase, and when described as “at least one (or more than one) of A and B, C”, a combination of A, B, and C It can contain one or more of all possible combinations.

In addition, in describing the components of the embodiments of the present invention, terms such as first, second, A, B, (a), and (b) may be used.

These terms are only for distinguishing the component from other components, and the term is not limited to the nature, order, or order of the component.

And, when a component is described as being 'connected', 'coupled' or 'connected' to another component, the component is not only directly connected, coupled or connected to the other component, but also to the component It may also include a case of 'connected', 'coupled' or 'connected' due to another component between the other components.

In addition, when described as being formed or disposed in the “upper (upper) or lower (lower)” of each component, the upper (upper) or lower (lower) is not only when two components are in direct contact with each other, but also one It also includes a case in which another component described above is formed or disposed between two components. In addition, when expressed as “up (up) or down (down)”, it may include the meaning of the downward direction as well as the upward direction based on one component.

1 is a cross-sectional view of an ultraviolet sterilization device according to an embodiment of the present invention, and FIG. 2 is an enlarged view of part A of FIG. 1.

1 and 2, the ultraviolet sterilization device 10 according to an embodiment of the present invention is a case 100, a door 110, a fan 120, a cradle 200 and an ultraviolet irradiation module 300 It may include.

In the case 100, the cradle 200 and the ultraviolet irradiation module 300 may be respectively disposed.

The outer exposed surface of the case 100 may include a bottom surface 101, a vertical surface 103 perpendicular to the bottom surface 101, and a sloped surface 105 connecting the bottom surface 101 and the vertical surface 103, and 105 may form an acute angle with each of the bottom surface 101 and the vertical surface 103. The inclined surface 105 may include a first opening 105a, and the vertical surface 103 may include a second opening 103a.

The door 110 may be coupled to the first opening 105a to open or close the first opening 105a.

The fan 120 may be coupled to the second opening 103a and allow external air to flow into the case 100 through the second opening 103a to cool the UV irradiation module 300.

The fan 120 may be an axial-flow fan, but is not limited thereto.

The cradle 200 is disposed on the bottom surface 107 of the case 100 to support the sterilization object 20.

The cradle 200 includes a first inclined surface 201 parallel to the X-axis direction (first direction), and a support surface 203 connected to the first inclined surface 201 and parallel to the Y-axis direction (second direction). It can contain. The Y-axis direction may be a direction intersecting the X-axis direction, for example, a direction perpendicular to the X-axis direction.

The first inclined surface 201 may be disposed to face the first opening 105a. Therefore, the user can mount the sterilization object 20 on the first inclined surface 201 through the first opening 105a.

The first inclined surface 201 may form a first acute angle θ1 with the bottom surface 107 of the case 100.

The support surface 203 supports one surface of the sterilizing object 20 mounted on the first inclined surface 201 to prevent the sterilizing object 20 from sliding along the first inclined surface 201 to escape. .

The ultraviolet irradiation module 300 may include a heat radiation frame 310, a circuit board 320, and a first light emitting element 330, and may further include a pair of reflective members 340.

The heat dissipation frame 310 may be coupled to the case 100 through a bracket (not shown) or the like, and may include a second inclined surface 311 facing the support surface 203 of the cradle 200.

The second inclined surface 311 may be parallel to the support surface 203. That is, the second inclined surface 311 may be parallel to the Y-axis direction.

The second inclined surface 311 may form a second acute angle θ2 with the bottom surface 107 of the case 100.

The circuit board 320 may be disposed on the second inclined surface 311.

The first light emitting element 330 may be disposed on the circuit board 320. Therefore, the light irradiated from the first light emitting element 330 may be irradiated to the sterilization object 20 disposed on the support surface 203 of the cradle 200.

The first light emitting element 330 may output light having an ultraviolet wavelength band as a peak wavelength.

The first light emitting element 330 may output light (UV-A) in the near ultraviolet wavelength band, may output light in the far ultraviolet wavelength band (UV-B), and light in the deep ultraviolet wavelength band (UV-C) You can also output The wavelength range of light can be determined by the composition ratio of Al in the semiconductor structure.

Illustratively, light (UV-A) in the near ultraviolet wavelength band may have a peak wavelength in the range of 320 nm to 420 nm, and light (UV-B) in the far ultraviolet wavelength band may have a peak wavelength in the range of 280 nm to 320 nm, The light (UV-C) in the deep ultraviolet wavelength band may have a peak wavelength in the range of 100 nm to 280 nm, preferably 278 nm.

The first light emitting element 330 may have a light output of 100 mW.

The distance from the first light emitting element 330 to the sterilization object 20 may be 50 mm to 150 mm, preferably 60 mm to 120 mm, and more preferably 70 mm to 90 mm. In this case, the sterilization time, that is, the time to reach the target energy value required for sterilization may take 5 seconds to 15 seconds, more specifically 7 seconds to 10 seconds.

The pair of reflective members 340 may be disposed on the second inclined surface 311, and may be disposed spaced apart from each other in the Y-axis direction. The first light emitting element 330 may be disposed between the pair of reflective members 340.

The distance D1 between the pair of reflective members 340, for example, the distance in the Y-axis direction may increase as the distance from the second inclined surface 311 increases.

The reflective member 340 may reflect ultraviolet light emitted from the first light emitting element 330.

The reflective member 340 may include aluminum (Al), but is not limited thereto, and may also include other materials having high reflectance of ultraviolet light.

The reflective member 340 may be configured as a separate part separated from the heat dissipation frame 310, but is not limited thereto, and may be integrally formed with the heat dissipation frame 310.

3 is a view showing the results of the fluid simulation of FIG. 1.

2 and 3, the heat dissipation frame 310 further includes a heat dissipation protrusion 315 disposed on the third inclined surface 313 and the third inclined surface 313 which are opposite surfaces of the second inclined surface 311. You may.

The third inclined surface 313 may be disposed parallel to the second inclined surface 311, and may form a third acute angle θ3 with one surface 120a of the fan 120. Therefore, the air discharged from the fan 120 may increase the cooling effect while flowing along the third inclined surface 313. Meanwhile, air may flow from one surface 120a of the fan 120 in a direction perpendicular to the one surface 120a of the fan 120. The third acute angle θ3 may be 15 to 75 degrees.

One end surface 315a of the heat dissipation protrusion 315 may be disposed to face one surface 120a of the fan 120, and may be disposed parallel to one surface 120a of the fan 120. Therefore, the distance D2 between the heat dissipation protrusion 315 and the fan 120 can be kept constant along one end surface 315a of the heat dissipation protrusion 315, thereby obtaining a uniform cooling effect. Meanwhile, the fan 120 may be controlled to rotate only when the first light emitting element 330 is driven, that is, when it outputs ultraviolet light.

4 is an installation example of FIG. 1.

Referring to FIG. 4, the ultraviolet sterilization device 10 may be disposed in the storage space of the support frame 30.

The storage space of the support frame 30 may have a three-sided open shape.

The support frame 30 may be disposed on a support (not shown) equipped with a billboard, and on the upper surface 30a of the support frame 30, a product to be sterilized, for example, an LCD monitor showing advertising images of lipsticks, etc. A display device (not shown) may be disposed.

5 is a perspective view of FIG. 1, and FIG. 6 is a driving example of FIG. 1.

5 and 6, the door 110 and the touch screen 130 may be disposed on the inclined surface 105 of the case 100.

The door 110 may be rotated by the door driving device 110a to open or close the first opening 105a of the case 100. The door driving device 110a may include a pneumatic cylinder or the like, but is not limited thereto.

The door 110 may include a window 110b. The window 110b may be made of a material that suppresses transmission of ultraviolet light but allows transmission of visible light. For example, the window 110b may be made of a material having a low transmittance of ultraviolet light and a high transmittance of visible light. Therefore, the ultraviolet light irradiated from the first light emitting device does not transmit the window 110b and does not harm the user, but the visible light irradiated from the second light emitting device passes through the window 110b to indicate that the user is being sterilized. It can help you recognize.

The touch screen 130 may receive a driving signal of the first light emitting element. For example, when the user touches the touch screen 130, electricity may be supplied to the first light emitting element.

7 is a touch screen screen of FIG. 5, FIG. 8 is a modification of FIG. 7, and FIG. 9 is another modification of FIG. 7.

Referring to FIGS. 7 and 8, the touch screen 130 may display the progress of the sterilization operation by numbers or the like. For example, the progress rate of the sterilization operation may be displayed as 0% to 100%.

Referring to FIG. 9, the touch screen 130 may receive a driving signal of a door. For example, the touch screen 130 may display the OPEN character when the sterilization operation is completed, and when the user touches the OPEN character, the door may be rotated by the door driving device to open the first opening.

10 is an exploded perspective view of FIG. 1.

Referring to FIG. 10, the case 100 may include a pair of second openings 103a and a ventilation hole 103b disposed between the pair of second openings 103a.

A pair of fans 120 may be disposed in each of the pair of second openings 103a. Air introduced into the case 100 by the fan 120 may be discharged to the outside of the case 100 through the ventilation hole 103b.

FIG. 11 is a perspective view of the cradle of FIG. 10, FIG. 12 is a view of the cradle of FIG. 10 viewed in a direction parallel to the Y-axis direction, and FIG. 13 is a cross-sectional view taken along line A-A of FIG. 12.

11 to 13, the cradle 200 may include a cradle 205 disposed on the first inclined surface 201.

The mounting portion 205 may include a plurality of seating grooves 205a.

Each of the plurality of seating grooves 205a may extend in the X-axis direction, and a sterilization object may be placed on each of the plurality of seating grooves 205a.

The plurality of seating grooves 205a may be spaced apart from each other in the Z-axis direction (third direction). The Z-axis direction may be a direction perpendicular to the X-axis direction and the Y-axis direction.

A sterilization object detection sensor (not shown) may be disposed in the seating groove 205a to detect a sterilization object in the seating groove 205a. The plurality of first light emitting elements may be individually driven according to the sensed value of the sterilization object detection sensor. For example, only the first light emitting element facing the seating groove 205a on which the object to be sterilized is disposed may be controlled to irradiate ultraviolet light.

14 is a perspective view of the ultraviolet irradiation module of FIG. 10, FIG. 15 is an exploded perspective view of FIG. 14, and FIG. 16 is a plan view of FIG. 14.

14 and 15, a second light emitting element 350 may be additionally disposed on the circuit board 320 in addition to the first light emitting element 330.

The second light emitting device 350 may output light having a visible wavelength band as a peak wavelength.

The second light emitting device 350 may output red light as an example, green light as another example, or blue light as another example. .

The second light emitting device 350 may be controlled to output visible light only when the first light emitting device 330 is driven, that is, when it outputs ultraviolet light.

The first light emitting element 330 may have a light output of 100 mW, and may be arranged to face each of three seating grooves in which sterilization objects are disposed, and the second light emitting element 350 is arranged to face two of each seating groove. It can, but is not necessarily limited to. The plurality of first light emitting devices 330 may be disposed to be spaced apart in the Z-axis direction between each other, among the plurality of second light emitting devices 350, or between the first light emitting devices 330 and the second light emitting devices 350. .

The light output of the first light emitting element 330 may be adjusted differently according to the state of the object to be sterilized.

As an example, the user can input the sterilization object, for example, the use state of the lipstick, for example, length information through the touch screen, and the light output of the first light emitting element 330 is the length input through the touch screen. It can be adjusted according to the information. For example, if the length of the object to be sterilized is shorter than the initial length, the light output of the first light emitting element 330 may also be adjusted to be larger than the initial output.

As another example, the ultraviolet sterilization device may include a distance sensing sensor (not shown) that detects a distance from the circuit board 320 to a sterilization object disposed in a seating groove, and outputs light from the first light emitting element 330. Can be adjusted according to the distance information detected by the distance sensor. For example, when the distance from the circuit board 320 to the object to be sterilized increases more than the initial distance, the light output of the first light emitting element 330 may also be adjusted to be larger than the initial output.

The first light emitting device 330 and the second light emitting device 350 may mean semiconductor devices that respectively output light, but are not limited thereto, and additionally include a light emitting member and a reflector in addition to the semiconductor devices. It may mean a semiconductor device package.

Referring to FIG. 16, the heat dissipation frame 310 may include a plurality of heat dissipation protrusions 315, and the plurality of heat dissipation protrusions 315 may be disposed spaced apart from each other in the Z-axis direction.

The embodiments have been mainly described above, but this is merely an example and does not limit the present invention, and those skilled in the art to which the present invention pertains have not been exemplified above in a range that does not depart from the essential characteristics of the present embodiment. It will be appreciated that various modifications and applications are possible. For example, each component specifically shown in the embodiment can be implemented by modification. And differences related to these modifications and applications should be construed as being included in the scope of the invention defined in the appended claims.

Claims (10)

case;
A door coupled to the first opening of the case;
A fan coupled to the second opening of the case; And
It includes a cradle and an ultraviolet irradiation module disposed in the case,
The cradle includes a first inclined surface facing the first opening, and a support surface bent from the first inclined surface,
The ultraviolet irradiation module,
A heat dissipation frame including a second inclined surface facing the support surface;
A circuit board disposed on the second inclined surface; And
It includes a first light emitting element disposed on the circuit board,
The first inclined surface forms a first acute angle with the bottom surface of the case,
The second inclined surface is a UV sterilization device forming a second acute angle with the bottom surface of the case.
According to claim 1,
The heat dissipation frame includes a third inclined surface that is opposite to the second inclined surface, and a plurality of radiating protrusions disposed on the third inclined surface,
The first inclined surface is parallel to the first direction,
The support surface is parallel to the second direction crossing the first direction,
The plurality of heat dissipation projections are disposed in the first direction and the second direction perpendicular to the third direction spaced apart from each other ultraviolet ray sterilization device.
According to claim 2,
One side of the heat dissipation projection facing the fan,
The third inclined surface forms a third acute angle with one surface of the fan,
One end surface of the heat dissipation projection is a UV sterilization device parallel to one surface of the fan.
According to claim 1,
The first light emitting device is a UV sterilization device for outputting light having a UV wavelength band as a peak wavelength.
The method of claim 4,
The ultraviolet irradiation module,
And a second light emitting element disposed on the circuit board,
The second light emitting device is a UV sterilization device that outputs light having a visible wavelength band as a peak wavelength.
The method of claim 5,
The door includes a window,
The window is a UV sterilization device that suppresses the transmission of ultraviolet light but allows the transmission of visible light.
According to claim 1,
The ultraviolet irradiation module,
It includes a pair of reflective members disposed on the second inclined surface,
The first inclined surface is parallel to the first direction,
The support surface is parallel to the second direction crossing the first direction,
The pair of reflective members are arranged to face each other in the second direction,
The first light emitting device is a UV sterilization device disposed between the pair of reflective members.
The method of claim 7,
The distance between the pair of reflective members increases the distance from the second inclined ultraviolet sterilization device.
According to claim 1,
Ultraviolet sterilization apparatus including a touch screen that receives the driving signal of the first light emitting element.
According to claim 1,
The cradle includes a cradle disposed on the first inclined surface,
The first inclined surface is parallel to the first direction,
The mounting portion is a UV sterilization device comprising a seating groove parallel to the first direction.

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