JP2014061946A - Drinking water supply device, supply member used for drinking water supply device, and intake device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drinking water supply device capable of supplying clean drinking water by performing sterilization in a space saving state.SOLUTION: In a water server 100, a drinking-water tank 900 storing drinking water in a drinking-water tank reception part is installed, and drinking water is supplied from the drinking-water tank reception part to a supply port through a pipe, and the drinking water is supplied from the supply port. Then, a bactericidal action is performed by an ultraviolet LED to the drinking-water tank reception part which is a sterilization portion.

Description

  The present invention relates to a drinking water supply device that supplies clean drinking water, a supply member used in the drinking water supply device, and an intake device.

  2. Description of the Related Art Conventionally, a water server that stores drinking water such as mineral water and can adjust the temperature of the stored drinking water according to the application is known.

  For example, Patent Document 1 (Japanese Patent Laid-Open No. 2010-52772) discloses that the drinking water stored in the tank is efficiently irradiated with ultraviolet rays to sterilize bacteria mixed in the drinking water and generate ozone. A water supply device that can suppress the taste and prevent the taste from being reduced as much as possible is disclosed.

  In a water supply apparatus described in Patent Document 1 (Japanese Patent Application Laid-Open No. 2010-52772), a tank for storing drinking water is provided in the apparatus body, and water is sterilized by irradiating ultraviolet rays into the tank to supply drinking water. In the apparatus, the tank is composed of a container having an air hole communicating with the atmosphere, and includes a control unit that controls an irradiation unit that irradiates ultraviolet rays, and the control unit is when or after the drinking water is discharged from the tank. The irradiation part is controlled to be irradiated.

JP 2010-52772 A

As in the water supply device described in Patent Document 1, a technique for irradiating ultraviolet rays to a tank that stores drinking water has been generalized.
However, since the irradiating unit for irradiating ultraviolet rays is composed of an ultraviolet lamp, a large-scale device is required and a large installation space is required.

  In addition, ultraviolet lamps are often covered with ultraviolet transmissive glass, and there is a risk of glass breakage due to impact or the like. Further, the ultraviolet lamp has a problem from the viewpoint of environmental pollution and waste disposal during disposal because argon gas and mercury are enclosed in the ultraviolet transmissive glass. Furthermore, in the case of the recent Great East Japan Earthquake (Tohoku Pacific Ocean Earthquake), the ultraviolet light has been damaged due to the fall of the drinking water supply device, which has become a serious problem.

  An object of the present invention is to provide a drinking water supply device capable of performing sterilization in a space-saving manner and realizing the supply of clean drinking water, a supply member used for the drinking water supply device, and an intake device.

(1)
A drinking water supply device according to one aspect is a drinking water supply device, wherein a drinking water tank installation unit for installing a drinking water tank storing drinking water, a supply port for supplying drinking water, and drinking water It includes a pipe for supplying drinking water from the tank installation part to the supply port, and an ultraviolet light emitting diode sterilization device that exerts a sterilizing action on the drinking water tank installation part which is a sterilization part.

  A drinking water tank storing drinking water is installed in the drinking water tank installation section, and the drinking water is supplied from the drinking water tank installation section to the supply port by piping, and the drinking water is supplied from the supply port. And a sterilization effect is show | played with respect to the drinking water tank installation part which is a sterilization site | part by the ultraviolet light-emitting diode sterilizer.

  The inventor has found that germs easily propagate in the drinking water tank installation portion of the drinking water supply apparatus. As a result, the drinking water supply apparatus according to the present invention can sterilize the drinking water tank installation part of the drinking water supply apparatus in a space-saving manner, and can realize the supply of clean drinking water.

(2)
A drinking water supply device according to another aspect is a drinking water supply device, wherein a drinking water tank installation unit for installing a drinking water tank storing drinking water, a supply port for supplying drinking water, and a beverage It includes a pipe for supplying drinking water from the water tank installation part to the supply port, and an ultraviolet light emitting diode sterilizer that exerts a sterilizing action on the supply port which is a sterilization part.

  A drinking water tank storing drinking water is installed in the drinking water tank installation section, and the drinking water is supplied from the drinking water tank installation section to the supply port by piping, and the drinking water is supplied from the supply port. And the sterilization effect | action is show | played with respect to the supply port which is a sterilization site | part by the ultraviolet light emitting diode sterilizer.

  The inventor has found that germs easily propagate in the supply port of the drinking water supply apparatus. As a result, the drinking water supply device according to the present invention can sterilize the supply port of the drinking water supply device in a space-saving manner, thereby realizing a clean drinking water supply.

(3)
A drinking water supply device according to a third invention is a drinking water supply device according to one aspect and another aspect, wherein the drinking water supply device cools and stores drinking water from a drinking water tank installed in a drinking water tank installation unit. And an ultraviolet light-emitting diode sterilizing device that performs a sterilizing action on the cold water storage part that is a sterilizing part.

  In this case, sterilization in the cold water storage unit can be performed in a space-saving manner, and supply of clean drinking water can be realized. Moreover, since the ultraviolet light-emitting diode sterilizer is used, the capacity for storing the ultraviolet lamp in the cold water storage section is not required, so that space saving and environmental support are facilitated.

(4)
The drinking water supply device according to a fourth aspect of the present invention is the drinking water supply device according to the third aspect of the present invention, further comprising a cleaning device made of a photocatalytic ceramic in the irradiation region of the ultraviolet light emitting diode sterilization device irradiated to the cold water storage unit. You may have.

  In this case, since the cooling storage unit has a cleaning device made of a photocatalytic ceramic, the sterilization effect of the cooling storage unit can be maximized when the drinking water tank is replaced. Moreover, since the power consumption of the ultraviolet light-emitting diode sterilizer can be reduced, the cost can be reduced.

(5)
The drinking water supply device according to a fifth aspect of the present invention may further include a cleaning device made of a photocatalytic ceramic inside the supply port in the drinking water supply device according to the fourth aspect of the present invention from one aspect.

  In this case, since it has further the cleaning apparatus which consists of a photocatalyst ceramic inside a supply port, the bactericidal effect in a supply port can be exhibited to the maximum. In addition, the straightness of the liquid discharged from the supply port can be improved. Moreover, since the power consumption of the ultraviolet light-emitting diode sterilizer can be reduced, the cost can be reduced.

(6)
A drinking water supply device according to a sixth aspect of the present invention is the drinking water supply device according to the fifth aspect of the invention from one aspect, provided in a part of a region that receives ultraviolet light from the ultraviolet light emitting diode sterilization device of the drinking water tank installation section. In addition, an air cleaning device made of a photocatalytic ceramic may be provided in the intake device that adjusts the atmospheric pressure in the drinking water tank.

  In this case, since the air purifier made of the photocatalytic ceramic is provided in the air intake device that adjusts the atmospheric pressure in the drinking water tank, the photocatalytic ceramic can be irradiated with ultraviolet rays to keep the intake air in the drinking water supply device clean.

(7)
A drinking water supply device according to a seventh aspect of the present invention is the drinking water supply device according to the fifth aspect of the present invention, wherein the air purifier is made of a photocatalytic ceramic as an intake device for adjusting the atmospheric pressure in the drinking water tank, and the photocatalytic ceramic. And an ultraviolet light emitting diode sterilizer for use.

  In this case, an air cleaning device made of a photocatalytic ceramic can be provided in the intake device that adjusts the atmospheric pressure in the drinking water tank, and the photocatalytic ceramic can be irradiated with ultraviolet rays from the ultraviolet light-emitting diode sterilizing device for the photocatalytic ceramic. As a result, the intake air in the drinking water supply device can be kept clean.

(8)
The drinking water supply device according to an eighth aspect of the present invention is the drinking water supply device according to any one of the seventh aspect to the seventh aspect, wherein the ultraviolet light-emitting diode sterilizer has a main emission peak in a wavelength range of 250 nm to 380 nm. You may provide a light emitting chip and the condensing lens which converges light emission of a light emitting chip.

  In this case, the ultraviolet light-emitting diode sterilizer can efficiently irradiate ultraviolet rays with the condenser lens.

(9)
A drinking water supply device according to a ninth aspect of the present invention is the drinking water supply device according to the seventh aspect of the present invention, wherein the ultraviolet light-emitting diode sterilization device comprises a light-emitting chip having a main light emission peak in a wavelength range of 360 nm to 380 nm. And the radiation intensity on the center line 1 cm away from the ultraviolet light-emitting diode sterilizer may be 300 mW / cm ² or more.

  In this case, the drinking water supply device can perform sterilization even in the absence of the photocatalyst.

(10)
A drinking water supply apparatus according to a tenth aspect of the invention is the drinking water supply apparatus according to the ninth aspect of the invention, wherein the ultraviolet light-emitting diode sterilization apparatus is configured to place an ultraviolet transmission member between the sterilization site and the ultraviolet light-emitting diode sterilization apparatus. It may be provided.

  In this case, the ultraviolet light for the ultraviolet light-emitting diode sterilizer can be transmitted to the sterilized part and irradiated by the ultraviolet light transmitting member. As a result, it is possible to sterilize a replacement member for maintenance or a part considered to be difficult to dispose.

(11)
The supply member used for the drinking water supply device according to another aspect is a supply member having a supply port of the drinking water supply device, and is a transparent resin made of an ultraviolet light transmitting material constituting the supply member, and a transparent other than the vicinity of the supply port And a non-ultraviolet material provided on the surface layer of the conductive resin.

  In this case, ultraviolet rays can be irradiated to germs generated in the vicinity of the supply port of the supply member by transmitting the ultraviolet ray through the supply member such as the force set. As a result, sterilization in the vicinity of the supply port of the supply member can be reliably performed. Further, even if the supply member is periodically replaced, the cleanliness can be maintained.

(12)
The supply member according to a twelfth aspect of the present invention may be the supply member according to another aspect, further including a cleaning device made of a photocatalytic ceramic inside the supply port.

  In this case, since it has further the cleaning apparatus which consists of a photocatalyst inside a supply port, the bactericidal effect in a supply port can be exhibited to the maximum. In addition, the straightness of the liquid discharged from the supply port can be improved. Moreover, since the power consumption of the ultraviolet light-emitting diode sterilizer can be reduced, the cost can be reduced.

(13)
An intake device according to another aspect is an intake device that adjusts the atmospheric pressure in a drinking water tank of a drinking water supply device, and includes an ultraviolet light-emitting diode sterilizing device and an air cleaning device made of a photocatalytic ceramic.

  In this case, an air cleaning device made of a photocatalytic ceramic can be provided in the intake device that adjusts the atmospheric pressure in the drinking water tank, and the photocatalytic ceramic can be irradiated with ultraviolet rays from the ultraviolet light-emitting diode sterilizing device for the photocatalytic ceramic. As a result, the intake air in the intake device can be kept clean.

(14)
The supply member used for the drinking water supply device according to another aspect is a supply member having a supply port of the drinking water supply device, and is provided with an ultraviolet light emitting diode sterilization device in the vicinity of the supply port.

  In this case, ultraviolet rays can be irradiated in the vicinity of a supply port such as a faucet. As a result, sterilization in the vicinity of the supply port of the supply member can be reliably performed. Further, even if the supply member is periodically replaced, the cleanliness can be maintained.

(15)
The supply member according to a fifteenth aspect of the present invention is the supply member according to another aspect, further comprising a cleaning device made of a photocatalytic ceramic in the irradiation region of the ultraviolet light-emitting diode sterilization device and inside the supply port.

  In this case, since it has further the cleaning apparatus which consists of a photocatalyst inside a supply port, the bactericidal effect in a supply port can be exhibited to the maximum. In addition, the straightness of the liquid discharged from the supply port can be improved. Moreover, since the power consumption of the ultraviolet light-emitting diode sterilizer can be reduced, the cost can be reduced.

  As described above, the potable water supply device of the present invention can perform sterilization in a space-saving manner and realize supply of clean drinking water.

It is a typical perspective view which shows an example of the external appearance of the water server which concerns on 1st Embodiment. It is a schematic diagram which shows an example of the structure of the water server of FIG. It is a typical perspective view which shows an example of a drinking water tank, a drinking water tank receiving part, and a cold water storage part. It is typical sectional drawing which shows an example of the cross section of a drinking water tank receiving part. It is a schematic diagram which shows an example of an intake member. It is a typical external view which shows an example of a faucet. It is typical sectional drawing which shows an example of operation | movement of a faucet. It is typical sectional drawing which shows an example of operation | movement of a faucet. It is typical sectional drawing which shows the other example of the cross section of a drinking water tank receiving part. It is a schematic diagram which shows the other example of an intake member. It is a typical external view which shows the other example of a faucet. It is a typical sectional view showing other examples of faucet. It is a typical sectional view showing other examples of faucet. It is a typical sectional view showing other examples of faucet. It is typical sectional drawing which shows the further another example of the cross section of a drinking water tank receiving part. It is a typical sectional view showing other examples of faucet.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, the same parts are denoted by the same reference numerals. Their names and functions are also the same. Therefore, detailed description thereof will not be repeated.

<Overall configuration of water server>
FIG. 1 is a schematic perspective view showing an example of the appearance of the water server 100 according to the first embodiment, and FIG. 2 is a schematic view showing an example of the structure of the water server 100 of FIG. FIG. 3 is a schematic perspective view showing an example of the drinking water tank 900, the drinking water tank receiving part 300, and the cold water storage part 500.

As shown in FIGS. 1 and 2, the water server 100 mainly includes a housing 110, an ultraviolet LED 200, a drinking water tank receiving unit 300, an extraction unit 400, a cold water storage unit 500, a cooling device 550, a hot water storage unit 600, and heating. It consists of a device 650 and a pump 700. Note that in this embodiment, the case where the pump 700 is provided will be described, but the pump 700 may not be provided particularly when water flows under its own weight.
Further, the water server 100 has a structure that can accommodate the drinking water tank 900. Hereinafter, after describing the outline of the water server 100, each detail will be described.

  As shown in FIG. 1, an extraction unit 400 for pouring drinking water from the water server 100 is provided at the center in the vertical direction of the housing 110. The extraction unit 400 includes a placing plate 410 for placing a container such as a cup, a water receiving container 420 for receiving drinking water spilled during pouring, a force set 800 for extracting cold water, normal warm water, or hot water, It has. Here, in the present embodiment, the force set 800 includes a cold water force set 800z and a hot water force set 800h (not shown).

Further, as shown in FIG. 1, a cold water lever 850 z of the cold water faucet 800 z and a hot water lever 850 h of the hot water faucet 800 h are provided so as to be exposed from the housing 110.
The user places the cup on the placing tray 410. The user can pour drinking water at a predetermined temperature into the cup from each of the facets 800 by pressing down the cold water lever 850z or the hot water lever 850h.

  In the present embodiment, water is supplied from the drinking water tank receiving unit 300 shown in FIG. 2 to the cold water storage unit 500. However, the present invention is not limited to this, and hot water is stored directly from the drinking water tank receiving unit 300. A pipe for supplying to the unit 600 may be provided.

<Drinking water tank 900>
The drinking water tank 900 is a bag-type flexible container, a bottle-type rigid container, a bottle-type flexible container, or the like. As shown in FIG. 3, the drinking water tank 900 in this Embodiment has the insertion port 910 and the bag 920. FIG. Drinking water is stored in the bag 920 of the drinking water tank 900.
A protrusion 310 of a drinking water tank receiving portion 300 described later is inserted into an insertion port 910 of the drinking water tank 900, and water in the drinking water tank 900 is supplied to the water server 100.

  Further, in the water server 100 of FIGS. 1 to 3, when the water in the drinking water tank 900 becomes empty, it can be replaced with another new drinking water tank 900.

<Internal structure of water server>
As shown in FIG. 2, drinking water is supplied from the drinking water tank 900 to the drinking water tank receiver 300. Drinking water is supplied from the drinking water tank receiving unit 300 to the cold water storage unit 500 and stored.

In addition, the drinking water stored in the cold water storage unit 500 is cooled by the cooling device 550.
The cooling function of the cooling device 550 is controlled by a temperature control device (not shown). For example, as a cooling function, a Peltier element having an overlapping structure of two metal electrodes is used. Further, in the present embodiment, although not described in detail, a known cooling method such as a compressor method, an ammonia heat absorption cooling method, a Stirling cooler method, or the like may be used.

  The supply pipe 750 is connected to the cold water faucet 800z from the cold water storage section 500, and the user presses the lever 850z of the cold water force set 800z, whereby cold water is extracted.

  Meanwhile, the water stored in the cold water storage unit 500 is supplied to the predetermined amount of hot water storage unit 600. Here, the hot water storage unit 600 has a tank that stores the drinking water supplied from the cold water storage unit 500. A heating device 650 for heating the stored drinking water is provided in the tank. In this embodiment, the case where the heating device 650 is provided inside will be described. However, the heating device 650 may be provided on the outer peripheral portion of the hot water storage unit 600.

  The hot water storage unit 600 according to the present embodiment has, for example, a bottomed cylindrical shape in which the upper side and the lower side are airtightly closed. In addition, a pressure adjustment valve for adjusting the pressure is provided on the upper wall of the hot water storage unit 600. As the pressure regulating valve, for example, a self-acting pressure regulating valve or the like is used. The heating device 650 is provided with a heater, a temperature sensor, and the like. Further, in the present embodiment, although not described in detail, a known sheathed heater, band heater, IH heater, ceramic heater, or the like may be used. These heating devices may be used in combination.

  In this way, the water stored in the hot water storage unit 600 is heated by the heating device 650. When the lever 850h of the hot water faucet 800h is pressed by the user, the hot water is extracted.

In the present embodiment, the cold water faucet and the hot water faucet will be described as a removable type. However, the present invention is not limited to this, and the cold water tank or the hot water tank may be integrated with the facet. The hot water discharge pipe and the cold water discharge pipe may be of a type that controls discharge of liquid by pressure.
Further, the supply port includes a faucet, a faucet, and others that can supply water.

<Drinking water tank receiver 300>
Hereinafter, the detail of the drinking water tank receiving part 300 is demonstrated. FIG. 4 is a schematic cross-sectional view showing an example of a cross section of the drinking water tank receiver 300.

  As shown in FIGS. 3 and 4, the drinking water tank receiving part 300 includes a protruding part 310 inserted into the insertion port 910 of the drinking water tank 900 and an introduction pipe 320 provided inside the protruding part 310. And a flange-shaped packing member 330, a support portion 340 that supports the bag 920 of the drinking water tank 900, an intake device 350 that can intake air, and an ultraviolet LED 200.

The protrusion 310 of the drinking water tank receiving part 300 is inserted into the insertion port 910 of the drinking water tank 900, and the drinking water in the drinking water tank 900 is supplied downward from the protrusion 310 through the introduction pipe 320. As shown in FIG. 3, the drinking water tank 900 is placed on the support part 340 of the drinking water tank receiving part 300. Further, the flange-shaped packing member 330 of the drinking water tank receiving part 300 is a cold water storing part 500. The inner peripheral part of the upper end of is sealed.

The drinking water tank receiving part 300 is provided with a removable intake device 350. The detailed structure of the intake device 350 will be described later.
Furthermore, the protrusion 310 of the drinking water tank receiver 300 is made of a material that efficiently guides ultraviolet rays. For example, it consists of a transparent resin. The projection 310 of the drinking water tank receiving unit 300 is provided with an ultraviolet LED 200.
In addition, in this Embodiment, although transparent resin was illustrated, it is not limited to this, You may consist of resin, such as an acrylic light guide member.

  Here, the transparent resin is not limited to acrylic resin, and PS, ABS, PP, PPS, heat resistant resin, and other arbitrary materials can be used.

<Effect of UV LED 200>
The ultraviolet LED 200 includes a light emitting chip having a main light emission peak in a wavelength range of 250 nm to 380 nm and a condenser lens. As a result, it is possible to irradiate the region indicated by the broken line in FIG. 4 with ultraviolet rays (hereinafter referred to as an ultraviolet irradiation region AR).

  In this case, the ultraviolet irradiation area AR of the drinking water tank receiver 300 can be sterilized by the ultraviolet LED 200.

Further, the ultraviolet LED 200 may have a main peak in a wavelength region of 360 nm or more and 380 nm or less.
For example, as described in Japanese Patent No. 4771402, a portion using a 360 nm to 380 nm ultraviolet ray in a wavelength region considered to have a very low bactericidal effect, and a portion where the irradiation intensity of the ultraviolet ray becomes extremely weak It has been found that the bactericidal effect of can be dramatically improved.

In addition, an ultraviolet LED having a directivity characteristic in which the main emission peak is 365 nm, the half-value width is 10 nm, and the angle at which the radiation intensity is 50% is 50 degrees with respect to the center line is used. The sterilization rate of Escherichia coli in the directly irradiated part having an ultraviolet intensity of 250 mW / cm ² is about 50%, 80%, 100 in order after 5 minutes, 15 minutes, 30 minutes, and 60 minutes. It has been found that an extremely excellent bactericidal effect is realized at 100% and 100%. Even when the ultraviolet LED described in Japanese Patent No. 4771402 is used, the drinking water tank receiver 300 can be sterilized.

  Needless to say, the present invention is not limited to the scope of rights of Japanese Patent No. 4771402, and is listed as an example of the effect.

(Intake device)
Next, the intake device 350 shown in FIG. 4 will be described in detail. FIG. 5 is a schematic diagram illustrating an example of the intake device 350.

The intake device 350 mainly includes a cover 351, a photocatalytic ceramic 353, a receiving portion 355, and a HEPA filter 356. The cover 351 and the receiving portion 355 of the intake device 350 are made of a transparent resin that transmits ultraviolet rays.
A vent 352 is provided in the cover 351 of the intake device 350, and a HEPA filter 356 made of a disk-like sheet is attached in the cover 351 of the intake device 350.

The receiving portion 355 is provided with a photocatalytic ceramic 353 at the center. The photocatalytic ceramic 353 is made of a porous material, for example, a ceramic coated with titanium oxide particles.
The intake device 350 is assembled by covering the receiving portion 355 provided with the photocatalytic ceramic 353 with the cover 351 to which the HEPA filter 356 is attached.

  Further, as shown in FIG. 4, since the intake device 350 is disposed in the ultraviolet irradiation area AR, the intake device 350 is irradiated with ultraviolet rays from the ultraviolet LED 200. As a result, harmful substances can be decomposed by the titanium oxide particles of the photocatalytic ceramic 353 of FIG. 5, and malodors or viruses can be sterilized by oxidative decomposition.

(Cold water faucet 800z, hot water faucet 800h)
Next, FIG. 6 is a schematic external view showing an example of the faucet 800, and FIGS. 7 and 8 are schematic cross-sectional views showing an example of the operation of the faucet 800. FIG.

  Hereinafter, in the present embodiment, the cold water faucet 800z and the hot water faucet 800h are respectively independent, but both the cold water faucet 800z and the hot water faucet 800h have the same shape and the same structure. Both will be described simply as a facet 800.

  As shown in FIGS. 6 and 7, the forceset 800 is provided so as to be removable from the screw portion 111 of the housing 110. In the present embodiment, force set 800 has a screw groove inside as will be described later, and is detachably attached to screw portion 111 of housing 110 by rotating. In addition, an ultraviolet LED 201 is provided below the screw portion 111 of the housing 110. Here, the ultraviolet LED 201 has the same wavelength as the ultraviolet LED 200 described above.

  As shown in FIG. 7, the forceset 800 includes a lid member 810, a housing 820 having a supply pipe, a valve body 830, a valve body operating shaft 840, a coiled spring 845 including a SUS, a lever 850, and a shaft 860. Is provided.

As shown in FIG. 8, generally, when the lever 850 of the forceset 800 is pressed in the direction of the arrow R1, the convex portion 851 provided on the lever 850 contacts the upper surface of the lid member 810 and becomes a fulcrum. The shaft 860 is lifted upward by the lever force.
As a result, the valve body 830 attached to the shaft 860 is lifted upward (direction F1 in the drawing). In the present embodiment, the valve body 830 is made of a flexible material (for example, an elastic material such as silicon rubber, fluorine rubber, or urethane rubber). As a result, the valve body 830 is deformed, the pipe 821 of the housing 820 having the supply pipe is communicated with the supply port 822, and water is supplied from the supply port 822.

  In the above embodiment, the lever 850 and the valve body 830 are used for the forceset 800. However, the present invention is not limited to this, and electromagnetic such as a lever type, a button type, an infrared type, and a capacitance type is used. A valve or the like may be used.

(Sterilization effect of supply port)
The housing 820 having the supply pipe according to the present embodiment is made of, for example, a transparent resin that guides ultraviolet rays, and further, a surface layer of the transparent resin is subjected to vapor deposition plating M. Further, the present invention is not limited to vapor deposition plating M, and the surface layer may be formed of an ultraviolet non-transparent resin and the inner layer may be formed of an ultraviolet transparent resin by two-layer molding of other resin, or any other configuration may be used. Also good. In addition, in this Embodiment, although transparent resin was illustrated, it is not limited to this, You may consist of resin, such as an acrylic light guide member.

  In this case, the ultraviolet light irradiated from the ultraviolet LED 201 passes through the inside of the housing 820 having the supply pipe, and is irradiated from the supply port 822 of the faucet 800 to the lower side or the upper cylinder inside the supply port 822. As a result, sterilization in the vicinity of the supply port 822 of the forceset 800 can be performed.

  In addition, about the member which does not carry out detailed description in this Embodiment, a well-known member can be used suitably.

(Other examples)
Next, FIG. 9 is a schematic cross-sectional view showing another example of a cross section of the drinking water tank receiving part 300 shown in FIG.

  Only differences between the drinking water tank receiver 300a shown in FIG. 9 and the drinking water tank receiver 300 shown in FIG. 4 will be described. 9 further includes a ring-shaped ultraviolet LED 210a on the bottom back surface of the protrusion 310 with respect to the drinking water tank receiver 300 of FIG. The ring-shaped ultraviolet LED 210a can sterilize the water accumulated on the bottom surface of the protrusion 310. In particular, since the water accumulated on the bottom surface of the base of the protrusion 310 is a portion where the temperature is not controlled, the portion can be sterilized efficiently.

  Further, since heat from the ultraviolet LED can be transmitted to the base of the protrusion 310, evaporation or diffusion of water accumulated on the bottom of the base of the protrusion 310 can be promoted.

In another example, the ring-shaped ultraviolet LED 210a is used. However, the present invention is not limited to this, and a chip-shaped ultraviolet LED may be used, or one or a plurality of ultraviolet LEDs may be used. .
Further, an ultraviolet LED may be embedded in the base portion of the protrusion 310, or a waterproof ultraviolet LED may be disposed at the base of the protrusion 310.

  Next, FIG. 10 is a schematic diagram illustrating another example of the intake device 350.

Only the difference between the intake device 350a shown in FIG. 10 and the intake device 350 shown in FIG. 5 will be described.
10 is supplied with ultraviolet rays from the ultraviolet LED 200 (see FIG. 4), the intake device 350a in FIG. 10 has an ultraviolet LED inside the intake device 350a. .

Specifically, the ultraviolet LED 250a may be provided below the HEPA filter 356 of the intake device 350a.
Further, a ring-shaped ultraviolet LED 250b may be provided around the photocatalytic ceramic 353 of the intake device 350a, and an ultraviolet LED 250c may be provided at the bottom of the photocatalytic ceramic 353 of the intake device 350a.

  As a result, the cover 351 and the receiving portion 355 of the intake device 350a can be made of a transparent resin that does not transmit ultraviolet rays. In addition, strong ultraviolet light can be supplied to the photocatalytic ceramic 353 of the intake device 350a, and the deodorizing and sterilizing action can be enhanced.

  In addition, it is not necessary to provide all of the ultraviolet LED 250a, the ultraviolet LED 250b, and the ultraviolet LED 250c described in other examples, and any one or a plurality of them may be provided, and the invention is not limited to the ring-shaped ultraviolet LED. Arbitrary-shaped ultraviolet LEDs may be used, or a plurality of ultraviolet LEDs formed of chips may be provided and substituted.

  Next, FIG. 11 is a schematic external view showing another example of the facet 800 of FIG.

  Only the difference between the forceset 800a shown in FIG. 11 and the forceset 800 shown in FIG. 6 will be described.

Unlike the facet 800 shown in FIG. 6, the facet 800 a shown in FIG. 11 has an ultraviolet LED 201 a having a ring shape instead of the ultraviolet LED 201.
As a result, when the screw portion 111 of the housing 110 is rotated and attached to the screw groove inside the forceset 800a, a large amount of ultraviolet light can be irradiated near the supply port 822 by the ring-shaped ultraviolet LED 201a, and sterilization can be efficiently performed. It can be performed.

  Next, FIG. 12 and FIG. 13 are schematic cross-sectional views showing other examples of the forceset 800 shown in FIG. 7 and FIG.

  The difference between the facets 800b and 800c shown in FIGS. 12 and 13 is different from the facets 800 shown in FIGS.

  12 and 13 does not include the ultraviolet LED 201 in the vicinity of the screw portion 111 of the housing 110, but includes the ultraviolet LEDs 201b and 201c in the force sets 800b and 800c.

  As shown in FIG. 12, the ultraviolet LED 201b is provided in the vicinity of the supply port 822 of the forceset 800b. Further, as shown in FIG. 13, an ultraviolet LED 201c having a ring shape is provided in the vicinity of the supply port 822 of the forceset 800c.

  As shown in FIGS. 12 and 13, the ultraviolet LEDs 201b and 201c are provided on the outer surface of the transparent resin that transmits ultraviolet rays. However, the present invention is not limited to this, and the ultraviolet LEDs 201b and 201c are provided inside the transparent resin that transmits ultraviolet rays. In the case of a waterproof ultraviolet LED, it may be provided on the inner surface of a transparent resin that transmits ultraviolet rays. Furthermore, the power supply of the ultraviolet LEDs 201b and 201c may be provided with a button battery, may be provided with electrodes, and may be supplied from the housing 110 side.

  Next, FIG. 14 is a schematic cross-sectional view showing another example of the forceset 800 shown in FIGS. 7 and 8.

  Unlike the facet shown in FIGS. 7 and 8, the forceset 800 d shown in FIG. 14 deforms the supply hose 821 d and stops supply or starts supply when the pair of closing members 861 approach or separate from each other. Consists of structure.

In the facet 800d, by disposing the ring-shaped ultraviolet LED 201d closer to the supply port 822 than the pair of blocking members 861, the vicinity of the supply port 822 can be sterilized.
In addition, although it is supposed that the upper side of a pair of closure member 861 will move, it is not limited to this, The lower side may move and both sides of a pair of closure member 861 may move. Further, although the case where the tip portions of the pair of closing members 861 are provided to be inclined has been described, the present invention is not limited to this, and the tip portions of the pair of closing members 861 are provided horizontally and the supply hose 821d is horizontally provided. It may be arranged.

(Other examples)
Next, FIG. 15 is a schematic cross-sectional view showing still another example of the cross section of the drinking water tank receiving part shown in FIGS. 4 and 9.

Only the difference between the drinking water tank receiving part 300b shown in FIG. 15 and the drinking water tank receiving part 300, 300a shown in FIGS. 4 and 9 will be described. The drinking water tank receiver 300b shown in FIG. 15 is obtained by further providing a photocatalytic ceramic 357 in either of the drinking water tank receivers 300, 300a shown in FIG. 4 or FIG. The photocatalytic ceramic 357 is made of a porous material, and is, for example, a ceramic coated with titanium oxide particles.
In the present embodiment, the photocatalytic ceramic 357 is provided in a mesh shape in the introduction tube 320 provided inside the protrusion 310.
In the present embodiment, the photocatalyst ceramic 357 is provided in part, but the present invention is not limited to this, and the photocatalyst ceramic 357 may be provided on all or part of the inner wall of the introduction tube 320, and further, the mesh The large photocatalytic ceramic 357 may be formed in a cylindrical shape or a conical shape, and may be provided in the introduction tube 320 or in the protruding portion 310.

As a result, when the drinking water tank 900 is replaced, the drinking water tank receiving part 300b is exposed to the outside air. However, since the sterilizing action is exerted, the protrusion 310 and the introduction pipe 320 can be kept clean.
Moreover, since the photocatalyst ceramic 357 is arrange | positioned in the irradiation area | region AR of ultraviolet LED200,210a, a bactericidal action can be improved further. Moreover, since the sterilizing effect can be enhanced as compared with the ultraviolet LEDs 200 and 210a alone, the power supply to the ultraviolet LEDs 200 and 210a can be reduced, and the cost can be reduced. Moreover, when it is desired to enhance the sterilization effect as soon as possible, it can be controlled by returning or further increasing the power supply to the ultraviolet LEDs 200 and 210a.

(Other examples)
Next, FIG. 16 is a schematic cross-sectional view showing still another example of the faucet 800.

  As shown in FIG. 16, the forceset 800e is in a state in which a photocatalytic ceramic 358 is provided inside the supply port 822 of the forcesets 800a, 800b, 800c, and 800d.

  As shown in FIG. 16, the forceset 800 e is obtained by providing a photocatalytic ceramic 358 as a mesh-like flat plate inside the supply port 822. In this case, the straightness of the liquid ejected from the forceset 800e can be improved, the scattering can be eliminated, and the sterilizing effect can be enhanced. In particular, since the ultraviolet light is irradiated to the photocatalyst ceramic 358 by the ultraviolet LEDs 201b, c, d, the sterilizing effect can be further enhanced. Moreover, since the bactericidal effect can be enhanced as compared with the ultraviolet LEDs 201b, 201c, and 201d alone, the power supply to the ultraviolet LEDs 201b can be reduced, and the cost can be reduced. Moreover, when it is desired to enhance the sterilization effect as soon as possible, the power supply to the ultraviolet LEDs 201b, 201c, 201d can be returned to normal or further increased.

  In this embodiment, the photocatalytic ceramic 358 is provided inside the supply port 822. However, the present invention is not limited to this, and the photocatalyst ceramic 358 may be provided on all or part of the inner wall of the supply port 822. Furthermore, a photocatalytic ceramic 358 having a large mesh may be formed in a cylindrical shape or a cone shape and provided inside the supply port 822.

(A)
As described above, in the water server 100 according to the present embodiment, the drinking water tank receivers 300 and 300a can be sterilized in a space-saving manner using the ultraviolet LEDs 200 and 210a. That is, the inventor has found that germs easily propagate in the drinking water tank receivers 300 and 300a of the drinking water tank 900 that is periodically replaced. With the water server 100 according to the present embodiment, clean drinking water can be supplied by sterilizing the drinking water tank receivers 300 and 300a where germs easily propagate in a space-saving manner.

(B)
Further, in the water server 100 according to the present embodiment, the UV LEDs 201, 201a, 201b, 201c, 201d, 250a, 250b, and 250c sterilize the supply ports 822 of the force sets 800, 800a, ..., 800e with ultraviolet rays. be able to. As a result, the supply port 822 can be sterilized in a space-saving manner, and clean drinking water can be supplied.
In particular, the inventor has found that the supply port 822 has a high possibility that a cup of noodle soup or coffee drops or a drop of tea, tea or the like will splash, and that germs are easy to propagate. With the water server 100 according to the present embodiment, clean drinking water can be supplied by sterilizing the supply port 822 of the faucet 800 where germs are easy to propagate in a space-saving manner.

(C)
Furthermore, in the water server 100 according to the present embodiment, since ultraviolet rays from the ultraviolet LEDs 200 and 210a are irradiated, sterilization in the cold water storage unit 500 can be performed in a space-saving manner and supply of clean drinking water can be realized. .

(D)
Further, in the water server 100 according to the present embodiment, the photocatalytic ceramic 353 is provided in the intake device 350 that adjusts the atmospheric pressure in the cold water storage unit 500, so that the photocatalytic ceramic 353 is irradiated with ultraviolet rays from the ultraviolet LEDs 200 and 210a, The intake air in the water server 100 can be kept clean.

(E)
Moreover, in the water server 100 according to the present embodiment, the photocatalytic ceramic 353 is provided in the intake device 350a and the LEDs 250a, 250b, and 250c are provided, so that the intake air in the water server 100 can be more efficiently kept clean.

(F)
Further, in the water server 100 according to the present embodiment, the ultraviolet LEDs 200, 210a, 201, 201a, 201b, 201c, 201d, 250a, 250b, and 250c have a condensing lens, so that a predetermined region (ultraviolet Irradiation area AR) or a wide area can be irradiated with ultraviolet rays.

(G)
Further, in the water server 100 according to the present embodiment, since the ultraviolet LED 200, 210a, 201, 201a, 201b, 201c, 201d, 250a, 250b, 250c can be sterilized independently, there is no photocatalyst or the like. Can also be sterilized. In addition, in this Embodiment, since it has the photocatalyst ceramics 353,357,358, it can sterilize and deodorize more efficiently.

(H)
Further, in the water server 100 according to the present embodiment, since the protrusion 310 is made of a transparent resin that transmits the ultraviolet rays of the ultraviolet LEDs 200 and 210a, it can be replaced by a maintenance member or a part that is considered difficult to arrange. Sterilization can be performed.

  Furthermore, since the faucets 800 and 800a of the water server 100 according to the present embodiment are made of a transparent resin that transmits the ultraviolet rays of the ultraviolet LEDs 201 and 201a, replacement parts for maintenance, or parts that are considered difficult to arrange. Can also be sterilized. As a result, the unit can be easily maintained, so that a good sanitary condition can be maintained even when room temperature drinking water is used.

(I)
Further, the faucets 800b to 800e have ultraviolet LEDs 201b, 201c, and 201d, and therefore, germs that are generated near the supply port 822 can be irradiated with ultraviolet rays.

(J)
In addition, since the intake device 350a is provided with the ultraviolet LED 250a, the ring-shaped ultraviolet LED 250b, and the ultraviolet LED 250c, strong ultraviolet rays can be supplied to the photocatalytic ceramic 353 of the intake device 350a, and the deodorizing and sterilizing action can be enhanced. it can.

  In the present embodiment, the water server 100 corresponds to a drinking water supply device, the drinking water tank 900 corresponds to a drinking water tank, the drinking water tank receiving part 300 corresponds to a drinking water tank installation part, and the supply port 822. Corresponds to the supply port, the supply pipe 750 corresponds to the pipe, the ultraviolet LEDs 200, 210a, 201, 201a, 201b, 201c, 201d, 250a, 250b, 250c correspond to the ultraviolet light-emitting diode sterilizer, and the cold water storage section 500 Corresponds to the cold water storage section, the ultraviolet irradiation region AR corresponds to the region receiving the ultraviolet light, the intake devices 350 and 350a correspond to the intake device, and the photocatalytic ceramic 353 corresponds to the air cleaning device made of the photocatalytic ceramic, A housing 820 having a protrusion 310 and a supply pipe corresponds to an ultraviolet transmission member, and the photocatalytic ceramic 357 and Fine photocatalyst ceramic 358 corresponds to cleaning apparatus.

  A preferred embodiment of the present invention is as described above, but the present invention is not limited thereto. It will be understood that various other embodiments may be made without departing from the spirit and scope of the invention. Furthermore, in this embodiment, although the effect | action and effect by the structure of this invention are described, these effect | actions and effects are examples and do not limit this invention.

100 Water server 200, 210a, 201, 201a, 201b, 201c, 201d, 250a, 250b, 250c UV LED
DESCRIPTION OF SYMBOLS 300 Drinking water tank receiving part 310 Protrusion part 350,350a Intake member 353 Photocatalyst ceramic 357,358 Photocatalyst ceramic 500 Cold water storage part 750 Supply pipe 820 Case having supply pipe 822 Supply port 900 Drinking water tank AR Ultraviolet irradiation area

Claims (15)

A drinking water supply device,
A drinking water tank installation section for installing a drinking water tank storing drinking water;
A supply port for supplying the drinking water;
A pipe for supplying the drinking water from the drinking water tank installation section to the supply port;
A drinking water supply device comprising: an ultraviolet light emitting diode sterilizing device having a sterilizing effect on the potable water tank installation portion which is a sterilizing portion. A drinking water supply device,
A drinking water tank installation section for installing a drinking water tank storing drinking water;
A supply port for supplying the drinking water;
A pipe for supplying the drinking water from the drinking water tank installation section to the supply port;
A drinking water supply device comprising: an ultraviolet light-emitting diode sterilization device having a sterilization effect on the supply port which is a sterilization site. A cold water storage section for cooling and storing drinking water from the drinking water tank installed in the drinking water tank installation section;
The drinking water supply device according to claim 1, further comprising an ultraviolet light-emitting diode sterilizing device that performs a sterilizing action on the cold water storage portion that is a sterilizing portion.   The drinking water supply device according to claim 3, further comprising a cleaning device made of a photocatalytic ceramic in an irradiation region of the ultraviolet light emitting diode sterilization device irradiated to the cold water storage unit.   The drinking water supply device according to any one of claims 1 to 4, further comprising a cleaning device made of a photocatalytic ceramic inside the supply port.   An air purifier made of a photocatalytic ceramic is provided in a part of a region that receives ultraviolet light from the ultraviolet light-emitting diode sterilization device of the drinking water tank installation part and adjusts the atmospheric pressure in the drinking water tank. The drinking water supply device according to any one of claims 1 to 5, characterized in that An air purifier comprising a photocatalytic ceramic as an air intake device for adjusting the air pressure in the drinking water tank;
The drinking water supply device according to any one of claims 1 to 5, further comprising an ultraviolet light-emitting diode sterilizer for the photocatalytic ceramic. The ultraviolet light-emitting diode sterilizer is
A light emitting chip having a main light emission peak in a wavelength region of 250 nm or more and 380 nm or less;
The drinking water supply device according to any one of claims 1 to 7, further comprising a condensing lens that focuses light emitted from the light emitting chip. The ultraviolet light-emitting diode sterilizer is
A light emitting chip having a main light emission peak in a wavelength region of 360 nm or more and 380 nm or less,
The drinking water supply device according to any one of claims 1 to 7, wherein a radiation intensity on a center line 1 cm away from the ultraviolet light-emitting diode sterilizer is 300 mW / cm ² or more. The ultraviolet light-emitting diode sterilizer is
The drinking water supply device according to any one of claims 1 to 9, wherein the ultraviolet ray transmitting member is provided between the sterilization part and the ultraviolet light emitting diode sterilizer. A supply member having a supply port of a drinking water supply device,
A transparent resin made of an ultraviolet transmitting material constituting the supply member;
And an ultraviolet light non-transmissive material provided on a surface layer of the transparent resin other than the vicinity of the supply port.   The supply member according to claim 11, further comprising a cleaning device made of a photocatalytic ceramic in the supply port. An air intake device that adjusts the air pressure in the drinking water tank of the drinking water supply device,
An ultraviolet light emitting diode sterilizer,
An air intake device provided with an air cleaning device made of a photocatalytic ceramic. A supply member having a supply port of a drinking water supply device,
A supply member comprising an ultraviolet light-emitting diode sterilizer in the vicinity of the supply port. The supply member according to claim 14, further comprising a cleaning device made of a photocatalytic ceramic in an irradiation region of the ultraviolet light-emitting diode sterilizer and inside the supply port.

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