TWI708583B - Sterilization device for water outlet of drinking fountain and drinking fountain - Google Patents

Abstract

The present invention provides a water outlet sterilization device of a water dispenser and a water dispenser. The sterilization device includes: a housing, a water inlet channel formed in the housing, and a sterilization module provided in the housing; the water inlet channel is in communication with the water outlet of the water dispenser ; The sterilization module includes a sterilization cylinder and a sterilization lamp assembly sealed on the top of the sterilization cylinder. The top side wall of the sterilization cylinder is provided with a water inlet communicating with the water inlet channel. The bottom end of the sterilization cylinder is equipped with a flow guide, The bottom end is provided with a water outlet hole, and the water entering the sterilization cylinder is sterilized by the germicidal lamp assembly, and then flows out through the water outlet hole. The invention installs a sterilization device downstream of the water outlet of the drinking fountain. The water enters and exits through the sterilization device. The water from the outlet enters the sterilization barrel through the top of the sterilization barrel, and then flows downward under the action of gravity, and finally is collected by the guide The process of the water outlet hole flowing through the quartz glass and the inside of the sterilization cylinder is continuously illuminated by the sterilization lamp assembly, which improves the aseptic effect of the water outlet of the drinking fountain.

Description

Sterilization device for water outlet of drinking fountain and drinking fountain

The invention relates to the field of drinking fountains, in particular to a drinking fountain outlet sterilizing device with ultraviolet sterilization function and a drinking fountain.

The conventional drinking fountains or direct drinking fountains are equipped with raw water tanks for storing normal temperature water. The raw water tanks are mostly input directly from an external bottled water or input from a tap water pipe through a filter device such as reverse osmosis or activated carbon filter. At this time, normal temperature water flows directly through the water outlet, and cold water or ice water is cooled by the compressor and then flows out through the water outlet. This makes these two types of water easy to carry bacteria and cause the water to fail to meet drinking standards. Conventional drinking water dispensers with sterilization function usually have a sterilization device in front of the water outlet. However, due to factors such as the sterilization device being too far away from the water outlet or the wrong installation position, the sterilized drinking water is still flowing to the water outlet. It will be contaminated by bacteria in the pipeline, leading to the formation of dead spots for sterilization. Some drinking fountain suppliers will teach users to discharge some water first, but this will only increase the waste of water sources and cannot substantially solve the problem of bacteria in drinking water.

The prior technologies such as ultraviolet sterilization modules owned by the applicant are mostly in the structure of underflow and top out, which are not suitable for direct installation at the water outlet of the drinking fountain, and because the previous sterilization module is equipped with a diffuser and a water separator at the water inlet With such a porous structure, the module still has dead spots for sterilization.

In order to solve the above-mentioned problems in the prior art, the present invention provides a water outlet sterilization device and a water dispenser, so that the ultraviolet sterilization is better and the water from the water dispenser always meets drinking standards.

In order to achieve the above objective, the present invention adopts the following technical solutions.

The present invention provides a water outlet sterilization device of a drinking fountain, comprising: a housing; a water inlet channel formed in the housing, and the water inlet channel communicates with a water outlet of a drinking fountain; and a sterilization device The module is arranged in the housing, and the sterilization module includes: a sterilization cylinder, the top side wall of which is provided with a water inlet hole communicating with the water inlet channel, and the water inlet hole is in the sterilization cylinder The outside is inclined from bottom to top in the direction from the outside to the inside. The bottom end of the sterilization cylinder is equipped with a flow guide, and the bottom end of the flow guide is provided with a water outlet; and a germicidal lamp assembly is sealed in The top end of the sterilization cylinder, wherein the water entering the sterilization cylinder is sterilized by the sterilization lamp assembly, and then flows out through the water outlet hole.

As one of the preferred solutions of the present invention, the deflector is cone-shaped, bowl-shaped or hemispherical, the outlet hole is formed in the center of the bottom end of the deflector, and the cross-sectional area of the deflector is It gradually decreases with the direction of water flow.

As one of the preferred solutions of the present invention, the materials of the sterilization cylinder and the guide element are both plastic or Teflon.

As one of the preferred solutions of the present invention, the germicidal lamp assembly includes a light emitting diode (LED), a quartz glass, and a lamp holder, and the quartz glass is sealed on the germicidal cylinder through a coupling cover. At the top, the ultraviolet light emitted by the light-emitting diode illuminates the inside of the sterilization cylinder through the quartz glass; and the wavelength of the ultraviolet light emitted by the light-emitting diode is 200-280 nm.

As one of the preferred solutions of the present invention, the present invention further includes a wiring channel formed in the housing, the wiring channel and the water inlet channel are spaced apart, and a power cord is connected to the lamp holder through the wiring channel .

As one of the preferred solutions of the present invention, the water inlet channel and the water outlet of the drinking fountain are in a sealed connection.

The present invention also provides a drinking water machine, including: a body; and a water outlet, arranged in the front box of the body, the water outlet is composed of a water outlet and a sterilization device, the sterilization device is used for warping The water flowing out of a water outlet is sterilized, wherein the sterilization device adopts the water outlet sterilization device of the drinking machine.

As one of the preferred solutions of the present invention, the water outlet hole extends out of the bottom end of the box on the front side of the main body to form a faucet.

As one of the preferred solutions of the present invention, the water outlet is a room temperature water/cold water outlet.

As one of the preferred solutions of the present invention, the present invention further includes a hot water outlet provided in the front case of the main body, the hot water outlet and the normal temperature water/cold water outlet are arranged side by side, the The front panel of the main body is provided with a hot water outlet button and a normal temperature water/cold water outlet button.

Compared with the conventional technology, the present invention has the following beneficial effects.

1. Install a sterilization device downstream of the water outlet of the drinking fountain. The water enters and exits through the sterilization device. The water from the outlet enters the sterilization barrel through the top of the sterilization barrel, and then flows down by gravity, and finally is collected by the guide The process of the water outlet hole flowing through the quartz glass and the inside of the sterilization cylinder is continuously illuminated by the sterilization lamp assembly, which improves the aseptic effect of the water outlet of the drinking fountain.

2. The deflector is set in a cone, bowl or hemispherical shape, and the cross-sectional area gradually decreases with the direction of water flow. The material of the deflector and the sterilization cylinder are both plastic or Teflon, so that the water enters the sterilization cylinder and flows out. There is no dead corner of irradiation during the whole process of the sterilization cylinder, and the sterilization effect is better.

1: Sterilization device

2: Normal temperature water/cold water spout

3: Hot water spout

10: Water inlet channel

20: Sterilization module

21: Light-emitting diode (LED)

22: Quartz glass

23: water inlet

24: Sterilization cylinder

25: deflector

26: Outlet

27: Power cord

Fig. 1 is a schematic diagram of the structure of the water outlet sterilization device of the water dispenser of the present invention; and Fig. 2 is a schematic diagram of the structure of the water dispenser of the present invention.

The technical solution of the present invention will be further described and illustrated below through specific embodiments.

"Example 1"

As shown in FIG. 1, this embodiment provides a water outlet sterilization device 1 of a drinking fountain, which includes a housing, a water inlet channel 10 formed in the housing, and a sterilization module 20 provided in the housing; the water inlet channel 10 and drinking water The water outlet of the dispenser is sealed or fixedly connected, so that the water flowing out of the outlet of the water dispenser enters the sterilization module 20 through the water inlet channel 10.

The sterilization module 20 includes a sterilization cylinder 24 and a sterilization lamp assembly sealed at the top of the sterilization cylinder 24. A plurality of water inlet holes 23 are evenly arranged around the top side wall of the sterilization cylinder. The water inlet holes 23 are located outside the sterilization cylinder 24 to the inside The direction is inclined from bottom to top, the water inlet 23 communicates with the water inlet channel 10, and the outer wall of the sterilization cylinder below the water inlet 23 is sealed and fixed with the inner wall of the housing, so that water can only enter through the water inlet 23 Inside the sterilization cylinder 24. The bottom end of the sterilization cylinder 24 is equipped with a flow guide 25, and the bottom end of the flow guide 25 is provided with a water outlet 26. The water entering the sterilization cylinder 24 is sterilized by the germicidal lamp assembly and flows out through the outlet 26.

Accordingly, the drinking water received by the user is water fully sterilized by ultraviolet rays, which is safe and sterile. The invention installs a sterilization device downstream of the water outlet of the drinking fountain. The water enters and exits through the sterilization device. The water from the outlet enters the sterilization barrel through the top of the sterilization barrel, and then flows downward under the action of gravity, and finally is collected by the guide The process of the water outlet hole flowing through the quartz glass and the inside of the sterilization cylinder is continuously illuminated by the sterilization lamp assembly, which improves the aseptic effect of the water outlet of the drinking fountain.

In this embodiment, the deflector 25 is designed to be conical, bowl-shaped or hemispherical. The water outlet hole is formed in the center of the bottom end of the deflector 25. The cross-sectional area of the deflector 25 gradually decreases with the direction of water flow. The bowl-shaped or hemispherical diversion shape makes the water in the sterilization cylinder always within the irradiation range of the germicidal lamp assembly, and the water outlet 26 in the center of the bottom can meet the maximum range of irradiation, thus achieving sterilization without dead spots. More preferably, the materials of the sterilization cylinder 24 and the guide 25 are made of plastic or Teflon. The plastic or Teflon material makes the reflection of ultraviolet light in the sterilization cylinder more uniform, and further improves the ultraviolet sterilization effect.

In this embodiment, the deflector 25 can be welded and fixed with the sterilization cylinder 24 or integrally formed, and the water outlet 26 of the deflector 25 partially extends from the bottom end of the housing of the sterilization device to make it more convenient for users to receive water.

The germicidal lamp assembly used in this embodiment includes a light-emitting diode (LED) 21, quartz glass 22, and a lamp holder. The quartz glass 22 is sealed at the top of the sterilization cylinder 24 through a coupling cover. The ultraviolet light emitted by the light-emitting diode 21 The inside of the sterilization cylinder 24 is irradiated through the quartz glass 22 to fully sterilize the water inside the sterilization cylinder 24. Preferably, the wavelength of the ultraviolet light emitted by the light-emitting diode 21 is 200-280 nm, and combined with the materials of the sterilization cylinder 24 and the guide 25, the sterilization effect can be optimized.

The sterilization device of this embodiment also includes a wiring channel (not shown in the figure) formed in the housing, the wiring channel and the water inlet channel are spaced apart, and the power line 27 is connected to the lamp holder through the wiring channel to supply power to the light-emitting diode supply.

The sterilization device of this embodiment can be directly installed at the outlet of a drinking fountain or direct drinking fountain, or made into an integrated structure with the faucet of the drinking fountain or direct drinking fountain, so as to achieve sufficient sterilization of drinking water. At the same time, due to the sterilization described in this embodiment The volume of the barrel 24 can be flexibly designed according to specific conditions. The germicidal lamp assembly does not occupy a larger space at the water outlet like a traditional ultraviolet germicidal lamp tube. Therefore, when used for the water outlet of a water dispenser, the structure is more compact and the appearance effect is better.

"Example 2"

As shown in Figure 2, this embodiment provides a water dispenser, which includes a main body and a hot water outlet and a normal temperature water/cold water outlet provided in a box on the front side of the main body. The hot water outlet is provided with a hot water outlet 3 at room temperature. The water/cold water outlet is provided with a normal temperature water/cold water outlet nozzle 2 and a sterilization device 1. The sterilization device 1 is installed downstream of the normal temperature water/cold water outlet nozzle 2, and the sterilization device adopts the sterilization device structure described in Embodiment 1.

Accordingly, when the user needs to drink normal temperature water/cold water, pressing the corresponding button can receive the normal temperature water/cold water sterilized by the sterilization device 1, which meets the drinking water quality requirements. Because the sterilization device is located under the water outlet, even if the water dispenser is not used for a period of time and the sterilization cylinder is full of bacteria, when the sterilization lamp assembly is turned on, the bacteria can be fully eliminated within 2 seconds, which fully meets the aseptic effect of drinking water.

In order to meet the appearance requirements, the volume of the sterilization device can be designed according to the volume of the front box of the water dispenser, and the water outlet of the sterilization device is extended out of the bottom end of the front box of the body, making it more convenient for users to receive water.

Adopting the water dispenser of this embodiment can not only meet the user's demand for drinking sterile hot water, room temperature water/cold water, but also make the appearance of the product not much different from that of a traditional water dispenser. The sterilization device does not occupy the water receiving space. Therefore, Has high market promotion potential.

The embodiments of the present invention are described in detail above. For those of ordinary skill in the art, according to the ideas provided by the present invention, there will be changes in the specific implementation manners, and these changes should also be regarded as the protection scope of the present invention. .

1: Sterilization device

10: Water inlet channel

20: Sterilization module

21: Light-emitting diode (LED)

22: Quartz glass

23: water inlet

24: Sterilization cylinder

25: deflector

26: Outlet

27: Power cord

Claims (10)

A water outlet sterilization device for a drinking fountain, comprising: a housing; a water inlet channel formed in the housing; the water inlet channel communicates with a water outlet of the drinking fountain; and a sterilization module arranged in the housing In the body, the sterilization module includes: a sterilization cylinder, the top side wall of which is provided with a water inlet hole communicating with the water inlet channel, and the water inlet hole extends from the outside to the inside of the sterilization cylinder Inclined from bottom to top, the bottom end of the sterilization cylinder is equipped with a flow guide, and the bottom end of the flow guide is provided with a water outlet; and a germicidal lamp assembly is sealed at the top of the sterilization cylinder, wherein, After the water entering the sterilization cylinder is sterilized by the sterilization lamp assembly, it flows out through the water outlet hole. The water outlet sterilization device of a drinking fountain according to claim 1, wherein the guide member is cone-shaped, bowl-shaped or hemispherical, the water outlet hole is formed in the center of the bottom end of the guide member, and the guide The cross-sectional area of the flow member gradually decreases with the direction of water flow. The water outlet sterilization device of the water dispenser according to claim 2, wherein the materials of the sterilization cylinder and the guide element are both plastic or Teflon. The water outlet sterilization device according to claim 1, wherein the germicidal lamp assembly includes a light emitting diode (LED), a quartz glass, and a lamp holder, and the quartz glass is sealed by a coupling cover. At the top of the sterilization cylinder, the ultraviolet light emitted by the light emitting diode penetrates the quartz glass to illuminate the inside of the sterilization cylinder; and the wavelength of the ultraviolet light emitted by the light emitting diode is 200-280 nm. The water outlet sterilization device of a water dispenser according to claim 4, further comprising a wiring channel formed in the housing, the wiring channel and the water inlet channel are spaced apart, and a power cord is connected through the wiring channel The lamp holder. The water outlet sterilization device of a drinking fountain according to claim 1, wherein the water inlet channel is in a sealed connection with the water outlet of the drinking fountain. A water dispenser includes: a main body; and a water outlet, which is arranged in the front box of the main body. The water outlet is composed of a water outlet and a sterilization device. The sterilization device is used to counteract the flow out through a water outlet. The water is sterilized, wherein the sterilization device adopts the water outlet sterilization device of any one of claims 1 to 6. The water dispenser according to claim 7, wherein the water outlet hole protrudes from the bottom end of the front box of the body to form a water receiving faucet. The water dispenser according to claim 7, wherein the water outlet is a normal temperature water/cold water outlet. The water dispenser according to claim 9, which further includes a hot water outlet provided in the front case of the body, the hot water outlet and the normal temperature water/cold water outlet are arranged side by side, the The front panel of the main body is provided with a hot water outlet button and a normal temperature water/cold water outlet button.

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