TWM576051U - Container lid with sterilization function - Google Patents

Abstract

The invention provides a container cover body having a sterilizing function, wherein a display and an illuminating unit are disposed on the outer surface of the container cover body, and a temperature sensing unit and an ultraviolet light generating unit are disposed on the lower surface of the container cover body. The container cover can be used to cover a container, and the water in the container is irradiated through the ultraviolet light generating unit, and the temperature in the container is measured through the temperature sensing unit. In addition, the display and the light-emitting unit located on the outer surface of the container cover can respectively display the operating condition of the ultraviolet light generating unit and the temperature measured by the temperature sensing unit to improve the convenience of using the container cover.

Description

Container lid with sterilization function

The invention relates to a container cover body with a sterilization function, a display and an illumination unit located on the outer surface of the container cover body, respectively, for respectively displaying the operation state of the ultraviolet light generating unit and the temperature measured by the temperature sensing unit, Improve the convenience of using the container cover.

Water is an essential substance for any living or living thing on earth. Drinking water is usually water that is safe to drink, and each person may need two to three liters of water per day. The quality of drinking water is usually related to the amount of heavy metals, organic compounds, suspended solids and microorganisms in the water. For example, microorganisms may include E. coli, bacteria (such as Vibrio cholerae) and parasites.

Although it is easier to obtain safe drinking water in developed countries, in order to improve the safety of drinking, most users usually boil tap water to reduce the amount of microorganisms in drinking water. However, boiling the drinking water not only causes a burden on the user, but also consumes a large amount of fuel data.

Some users choose to drink bottled water, especially for those who travel abroad. However, the production of 1 liter of bottled water often requires consumption of 1.32 liters of water, such as for the treatment, bottling and maintenance of bottled water. In addition, most bottled water containers are made of PET plastic, and the plastic bottles produced after drinking tend to cause environmental pollution.

One of the objects of the present invention is to provide a container cover having a sterilization function. When the container cover covers a container, the temperature sensing unit and the ultraviolet light generating unit located on the second surface of the container cover will face the container. The material stored in the container is sterilized and the temperature is measured. In addition, the display and the light-emitting unit located on the first surface of the container cover are located outside the accommodating space of the container, so that the user can view the information displayed by the display and the light color of the light-emitting unit, and learn the use state of the container cover. And the temperature of the substance stored in the container.

One of the objects of the present invention is to provide a container cover having a sterilization function. When the container cover covers a container, the light sensing unit located on the second surface of the container cover will face the container and be used to sense the container. The brightness of the accommodating space. When the container cover is separated from the container, the light sensing unit will sense a higher brightness and forcibly turn off the ultraviolet light generating unit to prevent the ultraviolet light from the ultraviolet light generating unit from leaking out and causing harm to the human body.

One of the objects of the present invention is to provide a container cover having a sterilization function, which is mainly provided with a charging interface and/or a solar panel on the first surface of the container cover, wherein the charging interface and/or the solar panel are electrically connected to the container. An electric storage unit in the cover body and used to charge the electric storage unit. Through the setting of the solar panel, the use time of the power storage unit can be further increased, and the convenience in use can be improved.

In order to achieve the above object, the present invention provides a container cover having a sterilizing function for covering a container, comprising: a main body portion including a first surface and a second surface, wherein the main body portion is when the container cover body covers the container The second surface faces the container; a temperature sensing unit is disposed on the second surface of the main body portion for measuring the temperature; and an ultraviolet light generating unit is disposed on the second surface of the main body portion for generating an ultraviolet a display, disposed on the first surface of the main body portion and configured to display a temperature or temperature state measured by the temperature sensing unit; at least one light emitting unit disposed on the first surface of the main body portion; and a microcontroller The utility model is disposed in the main body, electrically connected to the temperature sensing unit, the ultraviolet light generating unit, the display and the light emitting unit, and is configured to control the ultraviolet light generating unit, the display and the light emitting unit.

In an embodiment of the present invention having a sterilization function, the temperature sensing unit is configured to measure the temperature in the container to generate a temperature information, and transmit the temperature information to the microcontroller, and the microcontroller controls The display shows temperature information.

In an embodiment of the novel container body having a sterilization function, the microcontroller controls the ultraviolet light generating unit to generate ultraviolet light, irradiates a substance contained in the container with ultraviolet light, and controls the light emitting unit to generate a color light.

In an embodiment of the present invention, the storage unit is electrically connected to the microcontroller for storing a preset temperature, and the microcontroller is configured to compare the temperature information with the preset temperature, and The display is controlled to produce different patterns or text based on the results of the comparison.

In an embodiment of the present invention, the storage unit is electrically connected to the temperature sensing unit, the ultraviolet light generating unit, the display, the light emitting unit and the microcontroller.

In an embodiment of the present invention, the charging cover is disposed on the first surface of the main body and electrically connected to the electric storage unit.

In an embodiment of the present invention having a sterilizing function, a solar panel is disposed on the first surface of the main body and electrically connected to the electric storage unit.

In an embodiment of the present invention, the sterilizing function of the container cover body includes a light sensing unit located on the second surface of the main body portion, electrically connected to the microcontroller, and used to sense the light intensity.

In an embodiment of the present invention having a sterilizing function, the light sensing unit is configured to sense the light intensity in the container to generate a brightness information, and transmit the brightness information to the microcontroller, and the micro control The device controls the ultraviolet light generating unit according to the brightness information.

In an embodiment of the present invention, the storage unit is electrically connected to the microcontroller for storing a preset brightness, and the microcontroller determines that the brightness information is greater than the preset brightness. Ultraviolet light generating unit.

In an embodiment of the present invention, the transparent cover plate is disposed on the second surface of the main body portion and is configured to cover the ultraviolet light generating unit, the temperature sensing unit and the light sensing unit.

In an embodiment of the present invention having a sterilizing function, the light transmitting unit is quartz or glass.

In an embodiment of the present invention having a sterilizing function, the temperature sensing unit is a thermocouple sensor.

In an embodiment of the present invention, the container cover body includes a control interface disposed on the first surface of the body portion and electrically connected to the microcontroller.

Please refer to FIG. 1 and FIG. 2 , which are respectively a top perspective view and a bottom perspective view of an embodiment of a container lid body having a sterilization function. As shown in the figure, the container cover 10 of the present invention includes a main body portion 11 , wherein the main body portion 11 includes a first surface 111 and a second surface 113 . The first surface 111 may be the outer surface of the container lid 10 and the second surface 113 is the inner or lower surface of the container lid 10. For example, the main body portion 11 may have a cylindrical shape, wherein the first surface 111 may be a cylindrical side surface and an upper surface, and the second surface 113 may be a cylindrical lower surface.

In particular, the container lid 10 can be used to cover a container 20, as shown in FIG. When the container cover 10 covers the container 20, the first surface 111 will be located outside the container 20, and the second surface 113 will face the container 20 and be located within the accommodating space 21 of the container 20. For example, the container 20 may be a thermos cup, and the container cover 10 is a cup lid of the thermos cup. When the lid is covered or disposed in the thermos cup, the second surface 113 of the lid (the container lid 10) will be placed in the heat preservation. The inside of the accommodating space 21 of the cup (container 20).

In practical applications, the container cover 10 of the present invention can be sized according to the size of the cup to cover various types or sizes of cups and to sterilize the drinking water in the cup. Further, the container cover 10 is not limited to the lid of the lid, and may be a lid for covering a variety of different containers 20, such as a kettle, a bowl, a pot, and the like.

The container cover 10 includes a display 131, at least one light emitting unit 133, a control interface 135, an ultraviolet light generating unit 151, and a temperature sensing unit 153. The display unit 131, the light emitting unit 133, and the control interface 135 are disposed on the first surface 111 of the main body portion 11, and the ultraviolet light generating unit 151 and the temperature sensing unit 153 are disposed on the second surface 113 of the main body portion 11.

When the container cover 10 covers the container 20, the ultraviolet light generating unit 151 and the temperature sensing unit 153 located on the second surface 113 of the main body portion 11 will face the container 20, for example, toward the accommodating space 21 of the container 20.

The ultraviolet light generating unit 151 can be used to generate an ultraviolet light and illuminate the substance 23 in the accommodating space 21 of the container 20, for example, the ultraviolet light generating unit 151 is a light emitting diode (LED) that can generate ultraviolet light. Generally, the ultraviolet light generating unit 151 is a divergent light source, and the generated ultraviolet light has a certain divergence angle. In an embodiment of the present invention, when the ultraviolet light generated by the ultraviolet light generating unit 151 has a divergence angle of more than 90 degrees, the sterilization efficiency is better, and the angle is preferably 100 to 140 degrees.

When the substance 23 is irradiated with ultraviolet light for a period of time, the amount of bacteria, viruses or microorganisms originally present in the substance 23 will be lowered. Specifically, the substance 23 stored in the container 20 can be drinking water, and the ultraviolet light generated by the ultraviolet light generating unit 151 can kill bacteria, viruses or microorganisms in the drinking water, so that the drinking water can meet the standards of human drinking.

The temperature sensing unit 153 can be used to measure the temperature of the substance 23 stored in the container 20 and generate a temperature information. For example, the temperature sensing unit 153 can be a thermocouple sensor, and the substance can be directly in the container 20 The temperature of the substance 23 was measured in the case of 23.

Specifically, as shown in FIG. 3, when the container cover 10 covers the accommodating space 21 of the container 20, the accommodating space 21 will become a closed space. After a period of standing, the temperature in the accommodating space 21 tends to be uniform, so that the temperature sensing unit (thermocouple sensor) located in the accommodating space 21 can measure the temperature of the substance 23 stored in the container 20. .

The ultraviolet light generating unit 151 and the temperature sensing unit 153 can be simultaneously activated, and during the process of sterilizing the substance 23 in the container 20 by the ultraviolet light generating unit 151, the temperature sensing unit 153 simultaneously measures the substance 23 in the container 20. temperature.

In an embodiment of the present invention, a light sensing unit 155 can be disposed on the second surface 113 of the container cover 10 for sensing the brightness of the light source, for example, for sensing the light intensity in the container 20 to generate a light. Brightness information. The light sensing unit 155 is electrically connected to the ultraviolet light generating unit 151. When the light sensing unit 155 senses that the brightness of the external light source is greater than a predetermined brightness, the ultraviolet light generating unit 151 is forcibly turned off.

Specifically, when the container cover 10 and the container 20 are both opaque materials, when the container cover 10 covers the container 20, the accommodating space 21 of the container 20 will become a low-brightness space, and the light sensing unit 155 senses that the brightness in the accommodating space 21 will be less than the preset brightness without turning off the ultraviolet light generating unit 151. When the container cover 10 is separated from the container 20, the light sensing unit 155 senses the external light source, so that the brightness sensed by the light sensing unit 15 is greater than the preset brightness, and the ultraviolet light generating unit can be forcibly turned off. 151. Thereby, it is possible to prevent the leaked ultraviolet light from injuring the human body when the container cover 10 is opened.

In practical applications, the ultraviolet light generating unit 151, the temperature sensing unit 153, and the light sensing unit 155 are all located in the accommodating space 21 of the container 20, and may be in contact with the substance (water) 23 in the container 20, thereby causing ultraviolet rays. The light generating unit 151, the temperature sensing unit 153, and/or the light sensing unit 155 are damaged.

In order to protect the purple-light generating unit 151, the temperature sensing unit 153, and the light sensing unit 155, a light-transmitting plate 157 may be further disposed on part or all of the second surface 113 of the container cover 10 to transmit light. The board 157 covers the ultraviolet light generating unit 151, the temperature sensing unit 153, and/or the light sensing unit 155, thereby separating the oxidizable ultraviolet light generating unit 151, the temperature sensing unit 153, and/or the light sensing unit 155 from the container 20. The accommodation space 21 and/or the substance 23. For example, the light-transmitting plate 157 may be made of glass or quartz to facilitate ultraviolet light to penetrate the light-transmitting plate 157.

When the container cover 10 covers the container 20, the display 131, the light emitting unit 133, and the control interface 135 on the first surface 111 of the main body portion 11 are positioned outside the container cover 10. It is convenient to view the display 131 and the light-emitting unit 133 to know whether the temperature of the substance in the container 20 and the container cover 10 are being sterilized.

The control interface 135 can be used to operate or turn on the ultraviolet light generating unit 151 or the container cover 10. For example, the control interface 135 can be a button or a switch, and can switch the power of the ultraviolet light generating unit 15 or the container cover 10 through the control interface 135.

The display 131 is electrically connected to the ultraviolet light generating unit 151 and the temperature sensing unit 153, and is configured to display the temperature or temperature state of the substance 23 in the container 20 measured by the temperature sensing unit 153, for example, the temperature state may be cold or hot text. Or pattern. In actual use, the user can know whether the temperature of the substance (water) 23 in the container 20 is suitable for drinking by the temperature or temperature state displayed on the display 131.

In an embodiment of the present invention, the temperature state displayed by the display 131 is not the actual temperature of the substance (water) 23, but a text or a pattern, and whether the substance (water) 23 in the container 20 is suitable for direct reference by text or pattern. . For example, when the temperature measured by the temperature sensing unit 153 is higher than a preset temperature, the display 131 may display a text or a pattern with an excessive temperature to remind the user to drink carefully. When the temperature measured by the temperature sensing unit 153 is lower than a preset temperature, the display 131 can display a text or a pattern with appropriate temperature.

In another embodiment of the present invention, it is also possible to display on the display 131 whether the substance (water) 23 in the container 20 is sterilized by ultraviolet light, and the user can know whether the container 20 can be consumed by the message displayed on the display 131. The substance inside (water) 23.

The light emitting unit 133 disposed on the first surface 111 of the container cover 10 is also electrically connected to the ultraviolet light generating unit 151 and/or the temperature sensing unit 153, and can display ultraviolet light through the light color or flicker or brightness of the light emitting unit 133. The operating condition of the generating unit 151 and/or the temperature state measured by the temperature sensing unit 153. For example, the display 131 may be a liquid crystal display panel (LCD) or an organic light emitting diode panel (OLED), and the light emitting unit 133 may be a light emitting diode.

In an embodiment of the present invention, when the ultraviolet light generating unit 151 generates ultraviolet light, the light emitting unit 153 can emit blue flashing light to remind the user that the container cover 10 is sterilizing the substance 23 in the container 20. The light emitting unit 153 will be turned off after the sterilization is completed, or the light emitting unit 153 is caused to emit light of a weak intensity.

In another embodiment of the present invention, when the temperature sensing unit 153 measures the temperature of the substance 23 in the container 20 to exceed the preset temperature, the light emitting unit 153 may be caused to emit red light to remind the user to be careful when drinking. On the contrary, when the temperature sensing unit 153 measures that the temperature of the substance 23 in the container 20 is lower than the preset temperature, the light emitting unit 153 may be turned off, or the light emitting unit 153 may emit light of weak intensity.

Please refer to FIG. 4 , which is a block diagram of an embodiment of a container lid having a sterilization function. As shown in the figure, the container cover 10 of the present invention includes a display 131, at least one light emitting unit 133, a control interface 135, a charging interface 137, an ultraviolet light generating unit 151, and a temperature sensing unit 153. A light sensing unit 155, a power storage unit 171, a microcontroller 173, and/or a storage unit 175.

The display 131, the illumination unit 133, the control interface 135, and/or the charging interface 137 are disposed on the first surface 111 of the container cover 10, as shown in FIG. The ultraviolet light generating unit 151, the temperature sensing unit 153, and/or the light sensing unit 155 are disposed on the second surface 113 of the container cover 10 as shown in FIG.

In addition, the power storage unit 171, the microcontroller 173, and/or the storage unit 175 are disposed inside the container cover 10 or the main body 11. The microcontroller 173 is electrically connected to the display 131, the light emitting unit 133, the control interface 135, and the charging interface. 137. The ultraviolet light generating unit 151, the temperature sensing unit 153, and/or the light sensing unit 155, and controls the ultraviolet light generating unit 151, the display 131, and the light emitting unit 133.

When the container cover 10 covers the container 20, the ultraviolet light generating unit 151, the temperature sensing unit 153, and/or the light sensing unit 155 located at the second surface 113 of the container cover 10 will face the container 20, and the user can operate Or viewing the display 131, the illumination unit 133, the control interface 135, and/or the charging interface 137 located on the first surface 111 of the container cover 10.

Specifically, the microcontroller 173 is electrically connected to the ultraviolet light generating unit 151, and can transmit a control signal to the ultraviolet light generating unit 151 to drive the ultraviolet light generating unit 151 to generate ultraviolet light. In addition, the microcontroller 173 is also electrically connected to the temperature sensing unit 153 and/or the light sensing unit 155, and receives a temperature information and a brightness information by the temperature sensing unit 153 and the light sensing unit 155, respectively.

The storage unit 175 is electrically connected to the microcontroller 173 and can be used to store related control information, such as storing a preset temperature and/or a preset brightness, etc., and the microcontroller 173 obtains the preset temperature from the storage unit 175. And / or preset brightness. In an embodiment of the present invention, the controller 173 and the storage unit 175 may also be integrated into a single component.

The microcontroller 173 can compare the brightness information with the preset brightness. When the received brightness information is greater than the preset brightness, the container cover 10 may be separated from the container 20. At this time, the microcontroller 173 will turn off the ultraviolet light generating unit 151 to prevent the ultraviolet light generated by the ultraviolet light generating unit 151 from leaking out and causing damage to the user.

The microcontroller 173 is electrically connected to the display 131, and can transmit the sterilization status and/or temperature information to the display 131, and display the temperature information of the substance 23 in the container 20 on the display 131, for example, display temperature sensing on the display 131. The temperature or temperature state measured by unit 153.

In addition, when the micro control 171 controls the ultraviolet light generating unit 151 to emit ultraviolet light, it can also transmit a signal to the display 131, and display on the display 131 whether the container cover 10 is being sterilized.

The microcontroller 173 is electrically connected to the light emitting unit 133 and transmits a control signal to the light emitting unit 133 to drive the light emitting unit 133 to emit a specific light color, brightness, and/or flicker. In the embodiment of the present invention, when the microcontroller 171 controls the ultraviolet light generating unit 151 to emit ultraviolet light, the light emitting unit 133 can be controlled to emit a color light such as blue scintillation light. In addition, when the temperature sensed by the temperature sensing unit 153 is higher than a preset temperature, the microcontroller 173 can control the light emitting unit 133 to emit red light.

In an embodiment of the present invention, the microcontroller 173 can be used to compare the temperature information with the preset temperature and control the display 131 to generate different patterns or characters, such as cold or hot patterns or characters, depending on the result of the comparison. In addition, the micro control 173 can also be used to compare the brightness information and the preset brightness. When the microcontroller 173 determines that the brightness information is greater than the preset brightness, the ultraviolet light generating unit 151 will be turned off.

The power storage unit 171 can be a general battery or a rechargeable battery, electrically connected to the display 131, the light emitting unit 133, the control interface 135, the ultraviolet light generating unit 151, the temperature sensing unit 153, the light sensing unit 155, the power storage unit 171, The microcontroller 173 and/or the storage unit 175 are powered and supplied to the components described above. In addition, when the power storage unit 171 is a rechargeable battery, the charging interface 137, such as a USB charging interface, is electrically connected, and the power storage unit 171 can be charged via the charging interface 137.

In addition, the microcontroller 173 can also measure the power of the power storage unit 171 and display the remaining power of the power storage unit 171 on the display 131.

In another embodiment of the present invention, a solar panel 139 may be disposed on the first surface 111 of the container cover 10, wherein the solar panel 139 is electrically connected to the power storage unit 171 and used to convert the received light source into electrical energy. And transmitting the power to the storage unit 171 for storage.

In an embodiment of the present invention, the container cover 10 can also transmit data to a mobile communication device, and the user can know the state of the container cover 10 by the mobile communication device. Specifically, the container cover 10 may include a wireless transmission unit or a wired transmission unit, and the mobile communication device may be a smart phone, a mobile phone or a tablet, and install a corresponding mobile application (APP), such as a drinking mobile application. . The smart phone can be wirelessly transmitted with the container cover 10, and the use state of the container cover 10, such as water temperature, suitability for drinking, sterilization status, etc., can be displayed through the mobile phone's mobile application. In addition, the smart phone can also transmit a control signal to the container cover 10, and control the ultraviolet light generating unit 151 of the container cover 10 to generate ultraviolet light for sterilization.

The smart phone can also store the data transmitted by the container cover 10 and display the historical data used by the container cover 10 on the mobile application, for example, the number of sterilizations of the container cover 10, etc., to calculate the user's drinking capacity. And remind users to drink water.

In another embodiment of the present invention, the mobile action application of the mobile communication device can also link other mobile applications and provide more services to the user. For example, the Drinking Water Action application can link to a map action application and display the location on the map where drinking water is available on the drinking mobile application.

The above description is only one of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, that is, the changes in shape, structure, features and spirit as described in the scope of the present patent application are Modifications are intended to be included in the scope of the present patent application.

10‧‧‧ container lid

11‧‧‧ Main body

111‧‧‧ first surface

113‧‧‧ second surface

131‧‧‧ display

133‧‧‧Lighting unit

135‧‧‧Control interface

137‧‧‧Charging interface

139‧‧‧ solar panels

151‧‧‧UV light generating unit

153‧‧‧Temperature sensing unit

155‧‧‧Light sensing unit

157‧‧‧light board

171‧‧‧Power storage unit

173‧‧‧Microcontroller

175‧‧‧ storage unit

20‧‧‧ container

21‧‧‧ accommodating space

23‧‧‧ substances

Figure 1 is a top perspective view of an embodiment of a container lid having a sterilization function.

Fig. 2 is a bottom perspective view of an embodiment of a container lid having a sterilization function.

Fig. 3 is a perspective view showing an embodiment of a container lid connecting container having a sterilization function.

Fig. 4 is a block diagram showing the connection of an embodiment of a container lid having a sterilization function.

Claims (15)

A container cover having a sterilizing function for covering a container, comprising: a body portion including a first surface and a second surface, wherein the second surface of the body portion when the container cover covers the container Facing the container; a temperature sensing unit disposed on the second surface of the body portion for measuring temperature; an ultraviolet light generating unit disposed on the second surface of the body portion for generating a An ultraviolet light; a display disposed on the first surface of the main body portion and configured to display a temperature or temperature state measured by the temperature sensing unit; at least one light emitting unit disposed on the first surface of the main body portion; And a microcontroller disposed in the body portion, electrically connected to the temperature sensing unit, the ultraviolet light generating unit, the display and the light emitting unit, and configured to control the ultraviolet light generating unit, the display and the light emitting unit. The container body having a sterilizing function according to claim 1, wherein the temperature sensing unit is configured to measure a temperature in the container to generate a temperature information, and transmit the temperature information to the microcontroller. And the microcontroller controls the display to display the temperature information. The container body having a sterilizing function according to claim 2, wherein the microcontroller controls the ultraviolet light generating unit to generate the ultraviolet light, irradiating a substance contained in the container with the ultraviolet light, and controlling the The illumination unit produces a color of light. The container body having a sterilizing function according to claim 3, wherein a storage unit is electrically connected to the microcontroller for storing a preset temperature, and the microcontroller is configured to compare the temperature information. And the preset temperature, and controlling the display to generate different patterns or characters according to the comparison result. The container body having a sterilizing function according to claim 1, comprising a power storage unit electrically connected to the temperature sensing unit, the ultraviolet light generating unit, the display, the light emitting unit, and the micro Controller. The container body with a sterilizing function according to claim 5, comprising a charging interface disposed on the first surface of the body portion and electrically connected to the power storage unit. The container cover having a sterilizing function according to claim 6, comprising a solar panel disposed on the first surface of the main body and electrically connected to the electric storage unit. The container body having a sterilizing function according to claim 1, comprising a light sensing unit located on the second surface of the body portion, electrically connected to the microcontroller, and configured to sense light intensity. The container body having a sterilizing function according to the seventh aspect of the invention, wherein the light sensing unit is configured to sense a light intensity in the container to generate a brightness information, and transmit the brightness information to the a microcontroller, and the microcontroller controls the ultraviolet light generating unit according to the brightness information. The container body having a sterilizing function according to claim 9 , wherein a storage unit is electrically connected to the microcontroller for storing a preset brightness, and the microcontroller determines that the brightness information is greater than the When the brightness is preset, the ultraviolet light generating unit is turned off. The container cover having a sterilizing function according to claim 9, comprising a light-transmitting plate disposed on the second surface of the main body portion for covering the ultraviolet light generating unit, the temperature sensing unit, and the Light sensing unit. The container body having a sterilizing function according to claim 11, wherein the light transmitting unit is quartz or glass. The container body having a sterilizing function according to claim 1, wherein the temperature sensing unit is a thermocouple sensor. The container body having a sterilization function according to claim 1, comprising a control interface disposed on the first surface of the body portion and electrically connected to the microcontroller. The container body having a sterilizing function according to claim 1, wherein the ultraviolet light generating unit generates a divergence angle of the ultraviolet light of more than 90 degrees.