KR20220010376A - Ultraviolet ray disinfection device and control method thereof - Google Patents

Abstract

An ultraviolet ray disinfection device according to one embodiment of the present specification includes: a cover having a first opening and a second opening; a first ultraviolet light emitting diode (UV LED) exposed through the first opening; a second UV LED exposed through the second opening; and a motion monitoring sensor, wherein when the UV LED is driven, the driving of the UV LED is controlled based on motion monitoring sensor measurement information. According to the present invention, disinfection can be effectively performed.

Description

Ultraviolet ray disinfection device and control method thereof

An embodiment of the present specification relates to an ultraviolet disinfection apparatus and a control method thereof. More specifically, an embodiment of the present specification relates to a control method for performing disinfection through ultraviolet irradiation indoors, and for controlling a disinfection device by sensing a surrounding situation through a sensor.

With the improvement of living standards, interest in hygiene in living environments is increasing. Therefore, the method of sterilizing fine dust or bacteria in the air using products such as an air purifier has become popular. In particular, limited spaces such as daycare centers, schools, underground terminals, shopping centers, or subway stations have come to consider hygiene issues in places where many people gather, and remove bacteria or viruses in environments such as the recent COVID-19 outbreak. Concerns about how to do it increased.

However, in the case of disinfection in such an environment, the effect on the human body should be minimized. Accordingly, the disinfection effect was performed through comparison with the disinfection efficacy and the disinfection effect could be reduced, and most disinfection was performed by humans. There was a problem in that the cost of disinfection increased because it was done in the form of spraying or wiping a location with a lot of user contact. In addition, a method of performing disinfection using ultraviolet light, which has a sterilization effect, was considered, but this consists of disinfecting specific disinfection products or substances in a limited-size environment such as a dishwasher or water purifier, so that disinfection of a wider area can be performed. There was an aspect that there was not, and in the case of ultraviolet disinfection, there was a characteristic that only a separate shielding device was provided, as it was mainly disinfected in a limited range where no person was located, and the effect on the user was not considered.

Accordingly, there is a need for a device and a disinfection method that can increase the efficacy of disinfection, reduce side effects due to disinfection, and reduce the cost of disinfection.

An embodiment of the present specification has been proposed to solve the above-described problems, and an object of the present specification is to provide an ultraviolet disinfection apparatus capable of disinfecting an environment used by a user and a control method thereof. In addition, an embodiment of the present specification aims to provide a disinfection apparatus and a control method thereof, which can effectively disinfect a wider range with one disinfection apparatus in a user use environment, and which allows the user not to be affected by the disinfection operation . In addition, the embodiment of the present specification can sterilize a wide range by using a minimum disinfection device in an indoor environment, and to provide a disinfection device and a control method thereof that can minimize the influence on the user in consideration of the user's usage situation The purpose.

In order to achieve the above object, an ultraviolet disinfection apparatus according to an embodiment of the present specification includes a cover having a first opening and a second opening; a first UV LED exposed through the first opening (Ultraviolet Light Emitting Diode, UV LED); a second UV LED exposed through the second opening; and a motion monitoring sensor, wherein when the UV LED is driven, driving of the UV LED is controlled based on measurement information of the motion monitoring sensor.

A UV disinfection device according to another embodiment of the present specification includes a cover having a first opening, a second opening, and a third opening; a first UV LED exposed through the first opening (Ultraviolet Light Emitting Diode, UV LED); a second UV LED exposed through the second opening; and a third UV LED exposed through the third opening. including, wherein the cover includes a motion sensor cap protruding from an area defined by the first opening, the second opening, and the third opening.

According to an embodiment of the present specification, an ultraviolet disinfection device capable of effectively disinfecting is provided. More specifically, the environment used by users can be sterilized without additional manpower input, and side effects of sterilization can be prevented by detecting the user's activity, so that usability can be improved and the sterilization effect can be increased. In addition, it is possible to effectively sterilize a wide area through the installation of a minimum disinfection device in an indoor environment.

1 is a view showing an example of using a disinfection device according to an embodiment of the present specification.
2 is a perspective view of a disinfection apparatus according to an embodiment of the present specification.
3 is an exploded perspective view of a disinfection apparatus according to an embodiment of the present specification.
4 is a side view of a disinfection apparatus according to an embodiment of the present specification.
5 is a bottom view of a disinfection apparatus according to an embodiment of the present specification.
6 is a cross-sectional view taken along line A-A' of FIG. 5 .
FIG. 7 is a partially enlarged view of the cross-sectional view of FIG. 6 .
8 is a view showing an area to which each UV-LED of the disinfection apparatus according to an embodiment of the present specification is irradiated.
9 is a functional block diagram of a disinfection apparatus according to an embodiment of the present specification.

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

In describing the embodiments, descriptions of technical contents that are well known in the technical field to which the present invention pertains and are not directly related to the present invention will be omitted. This is to more clearly convey the gist of the present invention without obscuring the gist of the present invention by omitting unnecessary description.

For the same reason, some components are exaggerated, omitted, or schematically illustrated in the accompanying drawings. In addition, the size of each component does not fully reflect the actual size. In each figure, the same or corresponding elements are assigned the same reference numerals.

Advantages and features of the present invention, and a method for achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the technical field to which the present invention belongs It is provided to fully inform the possessor of the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

At this time, it will be understood that each block of the flowchart diagrams and combinations of the flowchart diagrams may be performed by computer program instructions. These computer program instructions may be embodied in a processor of a general purpose computer, special purpose computer, or other programmable data processing equipment, such that the instructions performed by the processor of the computer or other programmable data processing equipment are not described in the flowchart block(s). It creates a means to perform functions. These computer program instructions may also be stored in a computer-usable or computer-readable memory that may direct a computer or other programmable data processing equipment to implement a function in a particular manner, and thus the computer-usable or computer-readable memory. It is also possible that the instructions stored in the flow chart block(s) produce an article of manufacture containing instruction means for performing the function described in the flowchart block(s). The computer program instructions may also be mounted on a computer or other programmable data processing equipment, such that a series of operational steps are performed on the computer or other programmable data processing equipment to create a computer-executed process to create a computer or other programmable data processing equipment. It is also possible that instructions for performing the processing equipment provide steps for performing the functions described in the flowchart block(s).

Additionally, each block may represent a module, segment, or portion of code that includes one or more executable instructions for executing specified logical function(s). It should also be noted that in some alternative implementations it is also possible for the functions recited in blocks to occur out of order. For example, two blocks shown one after another may be performed substantially simultaneously, or the blocks may sometimes be performed in the reverse order according to a corresponding function.

At this time, the term '~ unit' used in this embodiment means software or hardware components such as FPGA or ASIC, and '~ unit' performs certain roles. However, '-part' is not limited to software or hardware. '~' may be configured to reside on an addressable storage medium or may be configured to refresh one or more processors. Accordingly, as an example, '~' indicates components such as software components, object-oriented software components, class components, and task components, and processes, functions, properties, and procedures. , subroutines, segments of program code, drivers, firmware, microcode, circuitry, data, databases, data structures, tables, arrays, and variables. The functions provided in the components and '~ units' may be combined into a smaller number of components and '~ units' or further separated into additional components and '~ units'. In addition, components and '~ units' may be implemented to play one or more CPUs in a device or secure multimedia card.

The disinfection apparatus of the embodiment of the present specification includes a UV LED, and disinfection may be performed by driving the UV LED. Disinfection may be mainly performed in an indoor environment, but is not limited thereto, and disinfection may be performed even in an outdoor environment by installing a disinfection device. In the case of disinfection using UV LED, high-power UV LED can be used to bring disinfection effect against bacteria and bacteria as well as viruses. However, when such a disinfection operation is performed, if the user is located in the area where the disinfection is performed, a harmful effect may be received from the disinfection operation, so it is necessary to consider this. On the other hand, in the embodiment, the disinfection device is installed on the ceiling like a light and described as being configured to irradiate UV LEDs in at least one direction, but is not limited thereto, and is installed on a wall or a separate installation frame to provide a light as well as a downward direction. It is also possible to configure a disinfection device that performs disinfection in the direction. In addition, the disinfection apparatus of the embodiment of the present specification may be configured in such a way that a plurality of UV LEDs irradiate ultraviolet rays in various directions in one disinfection apparatus, and the ultraviolet region irradiated from each UV LED is at least partially overlapped to form one Compared to disinfection using UV LED, the disinfection effect can be improved, and by optimizing the effective disinfection area, bacteria as well as bacteria can be effectively disinfected.

1 is a view showing an example of using a disinfection device according to an embodiment of the present specification.

Referring to FIG. 1 , an example of indoor use of the disinfection apparatus according to an embodiment of the present specification is shown.

According to an embodiment of the present specification, the disinfection device 100 may be installed in a cupboard, and whether to operate may be determined based on a user input input through the control device 110 . The disinfection apparatus 100 is equipped with a UV LED to irradiate the ultraviolet rays 105 when performing a disinfection operation, thereby disinfecting bacteria and viruses. The UV LED of the embodiment is a high-power LED that can effectively sterilize even viruses, and a plurality of UV LEDs can be installed according to the size of the disinfection target area, and can effectively perform disinfection operation through interlocking of each disinfection device. However, if the user is located in the place to be disinfected, the UV LED irradiation can be harmful, so there is a need to stop the disinfection operation. To this end, the disinfection apparatus 100 may include at least one sensor, and may perform control such as checking the status of the disinfection area through the sensor and stopping disinfection accordingly.

According to an example, when the start of disinfection is set through the control device 110, disinfection may be continued according to the setting information, and disinfection may be stopped when a motion is detected according to a sensor or a separate light source is detected. According to an example, each sensor of the disinfection apparatus 100 may transmit the detected information together with the identification information of the disinfection apparatus 100 to the control apparatus 110, and the control apparatus performs a disinfection operation of a specific disinfection apparatus based on this. can stop In the case of movement, when the movement of an object the size of a normal person is sensed for a predetermined time or longer to detect the user's movement, the control device 110 may stop the disinfection operation based on the information. In addition, when disinfection is performed indoors, disinfection can be performed at night time when there is no user in general. When an abnormality is detected, disinfection of the corresponding disinfection apparatus 100 may be stopped based on this. To stop the disinfection operation, the degree of movement, light intensity, and time detected by each sensor may be set differently according to user settings, and it is also possible to set only some of the plurality of sensors to be driven. For example, when the disinfection place is in a place where external light is introduced, only the motion sensor is driven and the optical sensor is not driven, so that disinfection can be prevented from being stopped by the light flowing in from the outside. On the other hand, when disinfection is stopped, the user may re-drive through the control device 110 or operate to drive the disinfection device 100 through communication with the control device 110 .

2 is a perspective view of a disinfection apparatus according to an embodiment of the present specification.

Referring to FIG. 2 , a perspective view as viewed from the bottom side of the disinfection apparatus 200 according to an embodiment of the present specification is shown. Throughout the embodiments, the disinfection device including three UV LEDs will be described as a reference, but the present disclosure is not limited thereto, and the disinfection device including two or more UV LEDs may be implemented in a form similar to the embodiment of the present specification.

The disinfection device 200 is coupled to the cover 240 and the cover 240 having UV irradiation openings 210 , 220 , 230 , a motion sensor cap 250 and an optical sensor opening 260 , and the disinfection device 200 . The frame 280 and the frame 280 to maintain the overall structure of the installation guide and may include a heat sink 270 for dissipating heat according to the operation of the disinfection device 200 .

The UV irradiation opening 210 formed in the cover 240 may guide ultraviolet rays irradiated from the UV LED 213 . UV LEDs 213 may be disposed on plate 212 , and may be disposed together with visible light LEDs (VLEDs) 214 . According to the shape in which the UV irradiation opening 210 is formed, the ultraviolet rays emitted from the UV LED 213 may be guided, and the inside of the UV irradiation opening 210 may be formed of a reflective material in order to effectively irradiate the ultraviolet rays by reflecting the ultraviolet rays. . Through this, in the case of ultraviolet rays irradiated to the outside of the UV irradiation opening 210, the ultraviolet rays are reflected by the reflective material to effectively guide the ultraviolet rays in the direction in which the UV irradiation openings 210 are formed. In addition, through such a guide, the effect of the light emitted from the UV LED 213 and VLED 214 on the motion sensor or light sensor can be minimized, and through this, it is possible to effectively detect the motion of light or objects coming from the outside. can

The motion sensor cap 250 may be made of a transparent or translucent material so that the motion sensor mounted therein can effectively detect the movement of surrounding objects, and the motion sensor moves based on the plane defined by the cover 240 . It may be formed to protrude so as to effectively sense the motion of the direction.

The frame 280 may maintain the overall structure of the disinfection apparatus 200 , and may be inserted and fixed in a groove in which the disinfection apparatus 200 is installed. In addition, the frame may mount parts inside, the parts may be protected by the cover 240 , and some of the parts may be exposed to the outside through the UV irradiation openings 210 , 220 , 230 .

The heat sink 270 may be configured to be inserted into the frame 280, and may be made of a metal material with high thermal conductivity to increase the surface area in order to effectively dissipate heat according to the operation of UV LEDs and other electronic components. structure can be formed. For example, the heat sink 270 may include at least one plate-shaped member that forms a cylindrical inner member and extends in the circumferential direction of the cylinder, and may increase the surface area and improve heat dissipation performance through the plate-shaped member. In an embodiment, the plate-shaped member may be referred to as a heat sink.

In addition, in the embodiment, since the plate 212 is coupled to the heat sink 270 , heat generated according to the operation of an element positioned on the plate 212 may be effectively transferred to the heat sink 270 . More specifically, the plate 212 may be fixed to contact the protrusion extending from the heat sink, and heat may be transferred to the heat sink 270 through the protrusion, and heat may be effectively radiated to the outside through the plate-shaped member.

3 is an exploded perspective view of a disinfection apparatus according to an embodiment of the present specification.

Referring to FIG. 3 , an exploded perspective view of the disinfection apparatus 300 is disclosed.

The disinfection apparatus 300 may include a cover 240 , plates 212 , 222 , 232 , a sensor substrate 254 , a heat sink 270 , and a frame 280 .

The cover 240 may include UV irradiation openings 210 , 220 , 230 , a motion sensor cap 250 , and an optical sensor opening 260 . Each of the UV irradiation openings 210, 220, and 230 may be opened in different directions, and for example, each of the UV irradiation openings 210, 220, 230 is 10 ~ based on a plane shared by each opening inside the cover. They may be formed inclined in directions opposite to each other by about 20°. Through this, the ultraviolet rays irradiated through the UV irradiation openings 210, 220, 230 can be irradiated over a wider radius, and the ultraviolet rays irradiated through each UV irradiation opening 210, 220, 230 can reach in common. area can also be obtained.

The inside of the UV irradiation openings 210 , 220 , 230 may be made of a reflective material, and the irradiated ultraviolet rays may be effectively guided in the direction in which the UV irradiation openings 210 , 220 , 230 are formed.

Plates 212 , 222 , 232 may include UV LEDs 213. 223. 233 and VLEDs 214 , 224 and 234 . UV LEDs (213. 223. 233) and VLEDs (214, 224, 234) may be exposed to the outside through the UV irradiation openings (210, 220, 230), and the UV LEDs ( 213. 223. 233) and a circuit capable of supplying power to the VLEDs 214, 224, 234 may be provided. In an embodiment, the plates 212 , 222 , and 232 may be formed in an octagonal shape, and the plates 212 , 222 , 232 may be effectively disposed within the cover 240 through such a shape. In addition, at least one screw groove may be formed in the plates 212 , 222 , and 232 to be coupled to the heat sink 270 . In addition, in an embodiment, the motion sensor 252 and the photosensor 262 may be located in the region defined by the plates 212 , 222 , and 232 . For example, the motion sensor 252 and the photosensor 262 may be located in a region defined by a sphere contacting three midpoints of the plates 212 , 222 , and 232 . Through this arrangement, the space utilization can be optimized, and the ultraviolet or visible light irradiated by the UV LED (213. 223. 233) or the VLED (214, 224, 234) is the motion sensor 252 and the photosensor 262 ) can be minimized. In addition, in an embodiment, the motion sensor 252 may be positioned to protrude in the direction of the cover 240 compared to the photosensor 262 . In this way, motion in multiple directions can be effectively detected.

The sensor substrate 254 may be disposed closer to the heat sink 270 than the plates 212 , 222 , and 232 , and the motion sensor 252 and the optical sensor 262 may be disposed to protrude from the sensor substrate 254 . can The sensor substrate 254 may include at least one screw groove that can be fixed to the heat sink 270 , and in an embodiment, has four screw grooves.

The heat sink 270 may include a protrusion formed to protrude in the direction of the cover 240 . More specifically, the heat sink 270 may include a first protrusion 272 coupled to the sensor substrate 254 and a second protrusion 274 coupled to the plates 212 , 222 , and 232 . In an embodiment, the first protrusion 272 may have surfaces parallel to each other, and the surface of the second protrusion 274 may have a parallel surface up to the protrusions to which the same plates 212 , 222 , and 232 are connected. Accordingly, the sensor substrate 254 and the heat sink 270 may be positioned to face each other, and the plates 212 , 222 , and 232 may be positioned to face different directions. Meanwhile, in an embodiment, the second protrusion 274 may be formed to protrude further from the heat sink 270 than the first protrusion 272 , and more specifically, the second protrusion 274 may have a length of the first protrusion 272 . may be more than 150% of

The heat sink 270 may include a perforation 276 in the center. A cylindrical inner member is formed around the perforation 276 and at least one plate-shaped member extending in the circumferential direction of the cylinder may be provided, and the surface area may be increased and heat dissipation performance may be improved through the plate-shaped member.

The frame 280 may have at least one clasp 282 on its side. In the embodiment, two clasps 282 are provided on the frame 280, and the clasps are inserted at a position where the disinfection device 300 is installed to serve to support them so as not to fall out.

The heat sink 270 may be inserted into the frame 280 , and at least a portion of the plate-shaped member may be exposed above the frame 280 .

4 is a side view of a disinfection apparatus according to an embodiment of the present specification.

Referring to FIG. 4 , a side view of the disinfection apparatus 400 according to an embodiment of the present specification is shown.

The disinfection apparatus 400 of the embodiment may include a cover 240 , a heat sink 270 , and a frame 280 .

In an embodiment, the cover 240 may include a motion sensor cap 250 protruding from the center, and the motion sensor may be located inside the motion sensor cap 250 . At least a portion of the motion sensor may be formed to protrude from the cover 240 rather than the inlet of the UV irradiation opening 230 . Through this, it is possible to effectively detect the movement of the object in the area where the disinfection device 400 is installed.

At least a portion of the heat sink 270 may pass through the frame 280 and be exposed to the outside, thereby increasing the heat dissipation effect.

The frame 280 may have clasps 282 on both sides. One side of the latch 282 may be connected to the protrusion of the frame, and the other side may extend in the direction of the cover 240 . The other side of the latch 282 may be formed to protrude more than the cover 240 , but this may be applied differently depending on the area where the disinfection device 400 is installed. In an embodiment, the frame 280 may be made of a metal material to improve heat dissipation performance. In addition, in an embodiment, the frame 280 may be made of a heat-resistant and heat-insulating material depending on an installation location.

5 is a bottom view of a disinfection apparatus according to an embodiment of the present specification.

Referring to FIG. 5 , a bottom view of a disinfection apparatus 500 according to an embodiment of the present specification is shown.

The cover 240 of the disinfection apparatus 500 may include UV irradiation openings 210 , 220 , 230 , a motion sensor cap 250 , and an optical sensor opening 260 . In an embodiment, a virtual circle circumscribing the inlet portion of the UV irradiation openings 210, 220, 230 may be defined, and the motion sensor cap 250 and the photosensor opening 260 are located inside the pseudo circle. can be located In addition, the motion sensor cap 250 may be located closer to the center of the cover 240 than the optical sensor opening 260 . In the case of a motion sensor, motion detection can be performed only when it is located on an actual moving object and a Line of Sight (LoS), and in the case of an optical sensor, light reflected from other light sources can also be detected. can be placed. In addition, in order to minimize the optical sensor detecting the light source irradiated by the UV LEDs 213. 223. 233 and the VLEDs 214 , 224 , 234 , the optical sensor may be disposed so as not to protrude from the cover 240 . The disinfection apparatus 500 can prevent the ultraviolet disinfection from being harmful to the user by controlling the disinfection operation according to the detection result of the motion sensor and the optical sensor through such an arrangement.

Plates 212 , 222 , 232 may include UV LEDs 213. 223. 233 and VLEDs 214 , 224 and 234 . The UV LEDs (213. 223. 233) may be driven when a disinfection operation is performed, and disinfection may be performed by irradiating ultraviolet rays. The UV LED (213. 223. 233) mainly irradiates ultraviolet rays during operation, so it is difficult to check whether it is operating with the naked eye. can be driven to display whether it is operating or not. In an embodiment, the VLEDs 214 , 224 , 234 may be blue light LEDs. In this way, by driving the VLEDs 214 , 224 , and 234 in response to the driving of the UV LEDs 213. 223. 233 , it may indicate to the user that the UV disinfection operation is being performed. In addition, in the embodiment, when the disinfection start, disinfection stop, and the UV LED (213. 223. 233) fails, the VLED (214, 224, 234) is driven in a specific pattern corresponding to each situation to provide the user with information on the operating situation. may provide. As such, by providing a driving operation through the VLEDs 214 , 224 , and 234 , it is possible to prevent the user from entering and exiting the disinfection area during the disinfection operation in an unintended state, and to easily check the operating state of the disinfection device 500 . This makes maintenance convenient.

Meanwhile, the arrangement of the UV LEDs 213. 223. 233 and the VLEDs 214, 224, and 234 may be applied differently depending on the embodiment. For example, the UV LEDs (213. 223. 233) are positioned in the center of the exposed portion of the plates (212, 222, 232) and the VLEDs (214, 224, 234) are positioned toward the center of the cover 240 or on the cover. It can be arranged to be more adjacent. In the embodiment, it is important to uniformly distribute the ultraviolet rays irradiated by the UV LEDs (213. 223. 233), so that ultraviolet irradiation can be made more uniform through such an arrangement. In the case of the VLEDs 214, 224, and 234, when the user looks at the disinfection device 500, it must be arranged so that it can be confirmed even from a distance. 224, 234) can be checked to be on. In the embodiment, when the UV LED (213. 223. 233) is driven, the VLED (214, 224, 234) can also operate correspondingly. Through this arrangement, the user can check whether the UV LED is being irradiated with the VLED (214, 214, 224, 234) can be confirmed through the operation.

The clasp 282 may be inserted into a wall or ceiling when the disinfection apparatus 500 is installed to fix the disinfection apparatus 500 . The portion where the clasp 282 is connected to the frame may be made of a material having elasticity, and when a portion connected to the frame is inserted through this, the clasp 282 is folded inward accordingly, inserted and then unfolded. An end of the clasp 282 may be hooked to secure the disinfection device.

6 is a cross-sectional view taken along line A-A' of FIG. 5 .

Referring to FIG. 6 , a cross-sectional view of the disinfecting device 600 is disclosed. In the embodiment, the arrangement of some parts apart from other parts is for convenience of description, and the coupling relationship of each part may be variously changed. For example, when the disinfection device 600 is installed on the ceiling, the coupling angle between the plate 232 and the second protrusion 274 may be adjusted according to the installation height. More specifically, when the ceiling is low, the UV LED may be installed by bending the plate 232 to face the outside of the cover to cover a wider range. To this end, a margin may be provided at the coupling portion between the second protrusion 274 and the plate 232 , and the angle of the plate 232 may be adjusted according to the coupling method of the screw.

The disinfection apparatus 600 may include a cover 240 , plates 222 and 232 , a sensor substrate 254 , a heat sink 270 , and a frame 280 .

The cover 240 may include a motion sensor cap 250 protruding from the center, and the motion sensor 252 may be located inside the motion sensor cap 250 . In an embodiment, the motion sensor 252 may be positioned to protrude from the body of the cover 240 . In this way, it is possible to perform motion detection over a wider area. Also, the cover 240 may have an optical sensor opening 260 , and the optical sensor 262 may be installed as shown. In the case of the optical sensor, it can be installed to protrude less than the motion sensor in order to minimize the effect of the light emitted by the VLED, and the light irradiated by the VLED flows into the optical sensor 262 due to the angular arrangement of the UV irradiation opening 230 . can be minimized.

The UV irradiation opening 230 may form a passage connected to the outside from the inside of the cover 240 , and may be formed to be wider outside than inside the cover. For example, the angle C formed by the UV irradiation opening 230 may be 110 ° to 130 °, more specifically, it may be formed of 120 °. Through the formation angle of the UV irradiation opening 230, it is possible to control the area to which ultraviolet rays are irradiated.

The sensor substrate 254 may be fixed on the first protrusion 272 , and the motion sensor 252 and the photosensor 262 may be fixed on the sensor substrate 254 . Also, in an embodiment, the disinfection apparatus 600 may include a power consumption detection sensor, and the power consumption detection sensor may be located on the sensor substrate 254 or on a plate. The power consumption detection sensor may measure the power consumed by the disinfection device 600 , and one or more power consumption detection sensors may measure the power consumed by each UV LED. Abnormal state of the UV LED can be detected based on the power consumed, and when the power consumption is reduced by more than a certain percentage compared to the power normally consumed, it can be recognized that an abnormality has occurred in the UV LED. The user may recognize it by notifying the control device through communication or by emitting the V LED in a preset light emitting pattern.

The frame 280 may form a clasp 282 on one side, and may form the entire structure of the disinfection device 600 .

The heat sink 270 may include a protrusion formed to protrude in the direction of the cover 240 . More specifically, the heat sink 270 may include a first protrusion 272 coupled to the sensor substrate 254 and a second protrusion 274 coupled to the plates 212 , 222 , and 232 . The heat sink 270 may be disposed to penetrate the inside of the frame 280 , and the plates 222 and 232 and the sensor may be formed through the first protrusion 272 and the second protrusion 274 extending from the heat sink 270 . The heat generated from the substrate 254 may be received and effectively radiated to the outside. More specifically, since the amount of heat generated by the UV LED is the largest among the components of the disinfection device 272 , the plates 222 and 232 and the second protrusion 274 may be formed of a metal material having high thermal conductivity.

In addition, the plates 222 and 232 may be installed inclined in a direction in which the corresponding UV irradiation openings 220 and 230 are formed, respectively, and through this, ultraviolet rays can be irradiated over a wider range.

By disposing the parts inside the disinfection device 600 in this way, ultraviolet irradiation can be made in a wider direction and the parts can be mounted effectively.

FIG. 7 is a partially enlarged view of the cross-sectional view of FIG. 6 .

Referring to FIG. 7 , a partially enlarged view of area B of FIG. 6 is shown. In an embodiment, the plate 232 of the disinfection device may form an angle of d° with the plane corresponding to the cover 240 . In an embodiment, d may be a value of 10 to 20, and more specifically, may be 15. In addition, in the embodiment, looking at such a cross-section with respect to the other plates 212 and 222 , it is possible to form an angle of d° with the plane corresponding to the cover 240 as well, and the line forming the cross-section of FIG. 7 of the plate 232 . And the line forming the other plates 212 and 222 may be included in a cone having the center of the cover 240 as a vertex. In an embodiment, the interior angle formed by the vertices of the cone may be 140° to 160°, and more specifically, 150°. Also, in an embodiment, the d value may be adjusted differently depending on the height at which the disinfection device is installed, and for this, the second protrusion 274 may couple the plate 232 to have an angular margin.

In addition, in the embodiment, the plate 232 may be formed to be larger than the inner diameter of the UV irradiation opening 230 is wide. By forming the plate 232 in this way, the stability of the structure can be brought and its own heat dissipation performance can be secured.

Meanwhile, in the embodiment, the coupling surfaces of the second protrusions 274 coupled to the plate 232 are parallel to each other, and may form an angle corresponding to d with the bottom surface of the heat sink. In an embodiment, the sets of the second protrusions 274 coupled to each plate are parallel to each other, and may form an angle related to d with the coupling surface coupled to the other plate.

In addition, the coupling surface of the first protrusion 272 may be located on a plane parallel to the bottom surface of the heat sink.

8 is a view showing an area to which each UV-LED of the disinfection apparatus according to an embodiment of the present specification is irradiated.

Referring to FIG. 8 , the disinfection device of the embodiment is installed on the ceiling, and an area to which the ultraviolet rays irradiated by each UV LED arrives with respect to the floor 2M away is shown. In an embodiment, the area to which the ultraviolet rays reach may be determined based on the reception intensity per unit area, and the area where the ultraviolet rays of 0.5 mW/cm ² or more are received may be displayed. Regions irradiated with ultraviolet rays irradiated by the UV LEDs 213. 223. 233 may form a first region 810 , a second region 820 , and a third region 830 , respectively. Each area can form a shape similar to a circle. A virtual fourth region 840 connecting the intersections of the respective regions and a false fifth region 850 connecting the outermost points may be defined. In an embodiment, the area of the fourth region 840 may be 60% to 85% of the area of the fifth region 850, and more specifically, may be 72% to 75%. By arranging in this way, it is possible to sufficiently secure a region where the ultraviolet rays irradiated from each UV LED (213. 223. 233) overlap, and through this, the disinfection effect can be further enhanced. In this way, the angle of the plate of the disinfection apparatus can be adjusted to form an area to which ultraviolet rays are irradiated, and the ultraviolet reaching area as in the embodiment can be formed based on the adjusted angle.

9 is a functional block diagram of a disinfection apparatus according to an embodiment of the present specification.

Referring to FIG. 9 , a functional configuration diagram of a disinfection apparatus according to an embodiment of the present specification is disclosed.

The disinfection apparatus of the embodiment may include an LED unit 910 , a sensor unit 920 , a communication circuit 930 , an output unit 940 , and a control unit 950 .

The LED unit 910 may include a UV LED 912 and a VLED 914 . The UV LED 912 may irradiate ultraviolet rays, and may be driven when a disinfection operation is performed. The VLED 914 may be driven to correspond to the operation of the UV LED 912 , and when the UV LED 912 is driven, the VLED 914 may also be driven to provide visual information. In addition, the VLED 914 may emit light in a different pattern when an abnormality occurs in the driving of the UV LED 912 , the driving is stopped, or the driving is started.

The sensor unit 920 may include a motion monitoring sensor 922 , an optical sensor 924 , and a power consumption sensor 926 . The motion monitoring sensor 922 detects the movement of the object, and when the movement of the object is sensed for a specific time or longer during disinfection, disinfection may be stopped.

The photosensor 924 may detect light, and when light greater than a set intensity is detected for a specific time or longer during disinfection, disinfection may be stopped.

The power consumption sensor 926 may detect power consumed by the sterilization device, and according to an embodiment, the sterilization device may include a sensor that detects total power consumption, and detects power consumption for each UV LED 912 . It may be provided with a sensor that The power consumption sensor 926 monitors the power consumed by the disinfection device or each UV LED 912, and detects that a problem has occurred in the UV-LED 912 when the power consumption value falls below a specific value during the disinfection operation. can When a problem of the UV-LED 912 is confirmed according to the detection of the power consumption sensor 926 , the driving of the corresponding UV-LED 912 is stopped, and the VLED 914 corresponding to the UV-LED 912 is detected. may be driven according to a preset pattern. Through this, the user can detect whether the UV-LED 912 is abnormal.

The communication circuit 930 may communicate with another disinfection device or a control device that controls the overall disinfection device. The communication circuit 930 may perform wired/wireless communication, and may exchange information through Bluetooth Low Energy (BLE) according to an example. The information transmitted through the communication circuit 930 may include at least one of driving information, sensor detection information, and identification information of the disinfection device.

The output unit 940 may be a device that provides information related to the operation of the disinfection device, and may be a device that provides visual information and audio information. According to an embodiment, the VLED 914 may serve as the output unit 940 and may further include one of a separate information display device and a speaker. According to the operation of the disinfection device, the output unit 940 may provide corresponding information to the user.

The control unit 950 may perform control related to the operation of the disinfection apparatus throughout the embodiments. The control unit 950 may control the overall disinfection apparatus, and may control the operation of the disinfection apparatus based on a result of communication with another disinfection apparatus or a control apparatus.

On the other hand, in the present specification and drawings, preferred embodiments of the present invention have been disclosed, and although specific terms are used, these are only used in a general sense to easily explain the technical contents of the present invention and help the understanding of the present invention, It is not intended to limit the scope of the invention. In addition to the embodiments disclosed herein, it is apparent to those of ordinary skill in the art that other modifications based on the technical spirit of the present invention can be implemented.

210, 220, 230: UV irradiation opening
212, 222, 232: plate
213. 223. 233: UV LED
214, 224, 234: VLED
240: cover
250: motion sensor cap
260: optical sensor opening
254: sensor board
270: heat sink
280: frame

Claims (15)

In the ultraviolet disinfection device,
a cover having a first opening and a second opening;
a first UV LED exposed through the first opening (Ultraviolet Light Emitting Diode, UV LED);
a second UV LED exposed through the second opening; and
a motion monitoring sensor;
UV sterilization device, characterized in that the driving of the UV LED is controlled based on the measurement information of the motion monitoring sensor when the UV LED is driven. According to claim 1,
The motion detection sensor is UV disinfection device, characterized in that located in a region defined between the first opening and the second opening. The method of claim 1,
Ultraviolet disinfection apparatus, characterized in that it further comprises an optical sensor positioned in a region defined between the first opening and the second opening. According to claim 1,
a frame coupled to the cover and for mounting a circuit board connected to the motion sensor therein; and
Disinfecting apparatus further comprising; a heat sink passing through the frame and coupled to the circuit board. 5. The method of claim 4,
The first UV LED is disposed on the first plate, the second UV LED is disposed on the second plate,
The first plate and the second plate are disinfected apparatus, characterized in that coupled to at least one first protrusion formed to protrude from the bottom surface of the heat sink. 6. The method of claim 5,
The circuit board is coupled to a second protrusion formed to protrude from the bottom surface of the heat sink, and the length of the at least one first protrusion is 150% or more of the length of the second protrusion. 7. The method of claim 6,
Two first protrusions among the at least one first protrusion are coupled to the first plate,
A plane in which the two first protrusions are coupled to the circuit board are parallel to each other and not parallel to the bottom surface of the heat sink,
A plane to which the second protrusion is coupled to the circuit board is located on a plane parallel to the bottom surface of the heat sink. According to claim 1,
The first and second openings have diameters that increase from the inside to the outside of the cover, and the inner peripheral surface of the opening is made of a reflective material. The method of claim 1,
Further comprising a first visible light LED exposed through the first opening and a second visible light LED exposed through the second opening,
The first visible light LED is driven in response to the driving of the first UV LED, the second visible light LED is UV disinfection device, characterized in that driven in response to the driving of the second UV LED. 4. The method of claim 3,
The operation monitoring sensor is UV disinfection device, characterized in that the position more protruding than the optical sensor. 5. The method of claim 4,
The heat sink is an ultraviolet disinfection device, characterized in that it includes at least two plate-shaped heat sinks disposed toward the outer peripheral surface of the heat sink. In the ultraviolet disinfection device,
a cover having a first opening, a second opening and a third opening;
a first UV LED exposed through the first opening (Ultraviolet Light Emitting Diode, UV LED);
a second UV LED exposed through the second opening; and
a third UV LED exposed through the third opening; including,
The cover includes a motion sensor cap protruding from an area defined by the first opening, the second opening, and the third opening. 13. The method of claim 12,
The first UV LED is disposed on a first plate, the second UV LED is disposed on a second plate, and the third UV LED is disposed on a third plate,
Each of the first plate, the second plate, and the third plate is disposed non-parallel to each other, and each is disposed to form a specific angle with a plane corresponding to the cover. 13. The method of claim 12,
A first region irradiated with ultraviolet ray at the reference distance by the first UV LED, a second region irradiated with ultraviolet ray at the reference distance by the second UV LED, and a third region irradiated with ultraviolet ray at the reference distance by the UV th LED 3 areas are defined,
a fourth region defined by a circle connecting outermost edges of the first region, the second region, and the third region is defined;
a first region defined by a circle connecting an intersection point at which the first region and the second region intersect, an intersection point at which the second region and the third region intersect, and an intersection point at which the third region and the first region intersect 5 areas are defined,
The fifth area is a disinfection device, characterized in that within 85% of the fourth area. 13. The method of claim 12,
The cover further comprises an optical sensor opening positioned in an area defined by the motion sensor cap, the first opening, and the second opening.

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