KR20070081020A - Dish washer having uv-lamp assembly - Google Patents

Abstract

A dishwasher having an ultraviolet-lamp assembly is provided to install the ultraviolet lamp in a door to improve a washing chamber, dishes and a filter device. A dishwasher having an ultraviolet-lamp assembly includes an ultraviolet lamp(310), a lamp housing(330), a transparent window(350), a scattering prevention member(500), a lamp cover(370), and coupling part. The ultraviolet lamp is installed in the lamp housing to be fixed to an inner part of the door. The transparent window is made of a quartz material and installed at a front surface of the lamp housing to transmit light emitted from the ultraviolet lamp. The scattering prevention member prevents glass particles or powders from being scattered when the transparent window is broken due to impacts. The lamp cover covers the lamp housing at which the transparent window is installed. The coupling part combines the lamp housing with the lamp cover.

Description

Was Dish washer having UV-lamp assembly

1 is a schematic diagram showing the internal structure of a conventional dish washer

Figure 2 is a schematic diagram showing the internal structure of the dish washing machine according to an embodiment of the present invention

Figure 3 is an exploded perspective view showing the structure of the UV lamp assembly according to an embodiment of the present invention

Figure 4 is a perspective view showing a state in which the UV lamp assembly is installed on the door of the dishwasher according to the embodiment of the present invention.

** Explanation of symbols for main parts of drawings **

10: body 7: door

300: UV lamp assembly 310; UV lamp

330: lamp housing 350: transparent window

370: lamp cover 371: exposure hole

381: engaging projection 382: engaging groove

500: shatterproof member

The present invention relates to a dishwasher, and more particularly, to a dishwasher provided with a separate sterilizer in the dishwasher to improve the sterilizing power of the inside of the tub and the dishware and the filter device.

The dishwasher is a device for automatically washing dishes, such as used dishes, because the dishes are made automatically, so that the convenience of the user is improved, and in recent years, the spread is spreading.

Referring to Figure 1, a conventional dishwasher will be described.

The dishwasher is a device for washing dishes by spraying washing water on the dishes. The dishwasher is a tub 3 having a washing chamber 3a in which the dishes are placed inside the main body 10 and the lower portion of the tub 3 to supply high-pressure washing water to the tub 3. And a portion 5 (hereinafter, referred to as a "drive part mounting part") on which various electrical equipments are installed.

The tub 3 and the driver installing part 5 are described as follows.

The upper part of the front of the tub 3 is provided with a control panel 8 for the operation of the dishwasher, the lower side is provided with a door 7 to open and close the washing chamber (3).

In addition, an upper rack 12 and a lower rack 14 on which tableware is placed are installed in the washing chamber 3a, and an upper part for spraying the washing water in the lower part of the upper rack 12 and the lower rack 14. Sandstone 32 and lower injection arm 34 are disposed respectively.

Then, one side inside the washing chamber 3a is provided with a heater 13 for heating the moisture remaining in the washing chamber 3 in the drying process to make steam after the washing process is finished.

On the other hand, the drive unit installation portion 5 is provided with a sump (9) for receiving the wash water, the sump (9) pumping the wash water to the upper injection arm 32 and the lower injection arm (34) of the washing chamber (3a) A washing pump is sent to the room. Generally, the sump 9 and the upper injection arm 32 and the lower injection arm 34 are connected by the upper connection pipe 322 and the lower connection pipe 324.

In addition, the washing pump generally includes a motor 11 generating a driving force and an impeller (not shown) connected to the motor 11.

On the other hand, the upper end of the door 7 is provided with an exhaust duct 18 for discharging the steam generated in the drying process to the outside after washing the dishes.

At this time, a suction port 18a is formed at a site where the exhaust duct 18 and the washing chamber 3 communicate with each other, and a discharge port 18b is formed at a site where the other end is in communication with the outside.

Here, the outlet 18b is formed at one side of the control panel 8.

Referring to the operation of the conventional dishwasher described above as follows.

When the dishwasher 1 is operated, the washing water of the sump 9 is pumped by the washing pump and supplied to the upper spray arm 32 and / or the lower spray arm 34 of the washing chamber 3a. Therefore, the washing water is sprayed from the upper injection arm 32 and the lower injection arm 34 to the dishes placed on the upper rack 12 and / or the lower rack 14 to wash the dishes. The wash water may be supplied to the upper injection arm 32 or the lower injection arm 34 alone or may be supplied at the same time.

The washing water sprayed on the tableware is recovered to the sump 9 through a recovery hole (not shown) in communication with the sump 9. In this case, the washing water containing the contaminants by washing the dishes may be filtered through a predetermined filter device (not shown).

After the washing process is finished, the washing process is dried, the drying process is carried out to dry the dishes. In the drying process, the water remaining in the tableware is evaporated by the operation of the heater 13 to vaporize, and the steam formed as described above flows into the inlet 18a of the exhaust duct 18 and is discharged to the outlet 18b.

However, the conventional dishwasher described above has the following problems.

The conventional dishwasher proceeds by increasing the heater 13 to a high temperature in a heating rinsing or drying stroke to perform a sterilization function. At this time, since the heater 13 needs to be driven for a long time to reach the set temperature, power consumption is high. There is a problem in that parts are deteriorated by long time driving of the heater.

In addition, since the sterilizing function of the inside of the washing chamber 3a and the dishes is simply performed by using the heat of the heater 13, there is a problem that the sterilizing power is lowered.

The present invention is to solve the problems presented above, an object of the present invention is to install a separate sterilization device inside the dishwasher to improve the sterilization power of the washing room and the dishes.

In order to achieve the above object, the present invention is a UV lamp that emits light to generate a UV wavelength; A lamp housing in which the UV lamp is installed; A transparent window installed at the front of the lamp housing to transmit light of the UV lamp; A shatterproof member for preventing glass fragments and powder from scattering when the transparent window is damaged by impact; It is installed to be coupled to the lamp housing, provided on the surface of the lamp cover having an exposure hole for exposing the transparent window, and a coupling portion for coupling the lamp housing and the lamp cover: providing a dishwasher having a UV lamp assembly do.

In this case, the shatterproof member is preferably formed integrally with the transparent window in a mesh shape, the transparent window is more preferably formed so that the shatterproof member is embedded.

On the other hand, the material of the scattering preventing member may be used any one of stainless steel (Stainless steel, STS), iron, fiber material.

The coupling part may include a plurality of coupling grooves formed in the lamp housing and coupling protrusions formed to be coupled to the respective coupling grooves on the lamp cover.

Accordingly, the present invention improves the disinfecting power to the inside of the main body and the tableware and the filter device by installing a UV lamp inside the dishwasher, and the transparent window is formed by shatterproof member integrally glass breakage and powder when the transparent window is broken The phenomenon of scattering can be prevented.

First, Figure 2 is a schematic diagram showing the internal structure of the dish washing machine according to an embodiment of the present invention, Figure 3 is an exploded perspective view showing the structure of the UV lamp assembly according to an embodiment of the present invention, Figure 4 A perspective view showing a state in which the UV lamp assembly is installed on the door of the dishwasher according to the embodiment of the present invention.

As shown in Figure 2, the dishwasher having a UV lamp assembly according to an embodiment of the present invention is installed in the main body 10, the inside of the tub to form a washing chamber (3a) in which the dishes are placed washing ( 3), a door 7 installed on the front of the main body 10 to open and close the washing chamber 3a, and a UV lamp assembly 300 installed inside the door 7.

An upper rack 12 and a lower rack 14 on which dishes are placed are installed in the washing chamber 3a, and an upper injection arm for spraying washing water under the upper rack 12 and the lower rack 14. 32 and the lower injection arm 34 are disposed, respectively.

In addition, the lower part of the tub 3 is provided with a driving unit installation unit 5, the driving unit installation unit 5 is provided with a sump (9) for receiving the washing water, the sump (9) by pumping the washing water The washing pump is installed to the upper spray arm 32 and the lower spray arm 34 of the washing chamber 3. Generally, the sump 9 and the upper injection arm 32 and the lower injection arm 34 are connected by the upper connection pipe 322 and the lower connection pipe 324.

The washing pump is composed of a motor 13 generating a driving force and an impeller (not shown) connected to the motor 13.

On the other hand, the upper end of the door (7) is provided with an exhaust duct 18 for guiding the steam generated in the drying process after washing the dishes to the outside, the blowing air for forcibly discharging the steam on the exhaust duct 18 A fan (not shown) is installed.

The UV lamp assembly 300 is installed inside the door 7 to sterilize the interior of the washing chamber 3a, the dishes, and the filter device (not shown) at the same time.

As shown in FIG. 3, the UV lamp assembly 300 according to the embodiment of the present invention has a large UV lamp 310, a lamp housing 330, a transparent window 350, and a shatterproof member 500. And, it may be made including a lamp cover 370.

In this case, the lamp housing 330 is provided with a UV lamp 310 therein, and serves to fix the UV lamp inside the door (7).

In addition, the transparent window 350 is formed of a calcite material and is installed on the front surface of the lamp housing 330 so that the light emitted from the UV lamp 310 is transmitted through the inside of the tub in which the washing chamber is formed to emit. It is installed. Of course, the transparent window may be formed of a glass plate using a plastic or a general glass material other than the quartz glass material, but the transmittance of the UV wavelength is transmitted may be lowered to lower the sterilization power.

On the other hand, the scattering prevention member 500 according to the embodiment of the present invention serves to prevent the phenomenon that the glass fragments and powder scattered and scattered when the transparent window 350 is damaged by impact.

For example, as shown in FIG. 4, when the user accidentally drops the chopstick, cutlery, knife, etc. while the door 7 is open, the transparent window 350 is impacted, the transparent window 350 may be broken.

At this time, the broken pieces of glass and powder are scattered and introduced into the tub and dishes, and the glass pieces and powder are prevented from being scattered by the scattering preventing member 500.

The scattering preventing member 500 is preferably formed integrally with the transparent window 350 in a mesh shape, and the transparent window 350 is more preferably formed to bury the scattering preventing member 500.

For example, in the process of forming the transparent window 350, the molten glass material is introduced into the mesh scattering prevention member 500 therein to be embedded in the molten glass, and then the glass in the molten state. When the liquid is quenched and solidified, the transparent window 350 is integrally formed with the scattering preventing member 500 embedded in the transparent window 350.

On the other hand, the material of the scatter preventing member 500 may be any one of stainless steel (Stainless steel, STS), iron, fiber, it is presented in the embodiment of the present invention formed using a thin iron material.

The lamp cover 370 covers the lamp housing 330 in which the transparent window 350 is installed to fix the transparent window 350, and the transparent window 350 is disposed on the surface of the lamp cover 370. An exposure hole 371 is formed to be exposed to the outside.

In addition, the coupling part is configured to fix the lamp cover 370 with respect to the lamp housing 330. A plurality of coupling grooves 381 are formed in the lamp housing 330, and the lamp cover ( 370 has coupling protrusions 382 formed at positions corresponding to the coupling grooves 381, respectively, to couple the coupling protrusions 382 to the coupling grooves 381, and thus, the lamp housing 330 and the lamp cover 370. ) Is completed.

Referring to the operation of the dishwasher UV lamp assembly 300 is configured as described above is as follows.

First, in order to proceed with the heating rinsing stroke, the controller (not shown) drives the water supply valve (not shown) to supply water into the sump 9, and drives the washing motor 11 to start rinsing and simultaneously the heater ( 13).

Next, the washing pump (not shown) pumps the washing water in the sump 9 to supply the upper and lower injection arms 100 and 34, and the upper and lower injection arms 32 and 34 supply the pumped washing water. The rinsing is performed by spraying the dishes, and the heater 13 generates heat to heat the washing water.

Next, the UV lamp 310 is driven in order to perform the sterilization function, and the UV lamp 310 drives the UV lamp 310 by the UV lamp 310 driving signal output from the controller (not shown). Generates wavelength to enhance sterilization function.

Next, when the heating rinsing and sterilization is completed, the drain motor (not shown) is driven to discharge the washed water which has been completed.

Next, after the heating rinse stroke is completed and the washing water is drained, a drying process of drying the dishes is performed. In the drying stroke, the water remaining in the tableware is evaporated by the operation of the heater 13 to vaporize, and the steam thus formed flows into the inlet 18a of the exhaust duct 18 and is discharged to the outlet 18b. In this case, the UV lamp 310 may be operated to sterilize the inside of the washing chamber 3a, the dishes, and the filter device together with the heater 13.

As described above, the dishwasher according to the embodiment of the present invention is capable of simultaneously sterilizing the inside of the washing chamber 3a and the dishes and the filter device by installing the UV lamp assembly 300 inside the door 7. Can improve sterilization power than sterilization with only a conventional heater.

In addition, when the transparent window 350 is shocked and broken by being manufactured with the scattering preventing member 500 embedded in the transparent window 350, glass flakes and glass powder may be prevented from scattering. It is possible to prevent the glass chips and powder from flowing into the tub.

So far, the present invention has been described with reference to the embodiments, and those skilled in the art to which the present invention pertains may implement the modified forms of embodiments within the essential technical scope of the present invention. Here, the essential technical scope of the present invention is shown in the claims, and the modified forms within the equivalent range will be construed as being included in the present invention.

As described above, the dishwasher having a UV lamp according to the present invention has the following effects.

First, according to the present invention, the UV lamp is installed inside the door to have an effect of improving the sterilizing power of the washing room, the dishware and the filter device.

Second, according to the present invention, since it is not necessary to drive the heater for a long time by lowering the temperature of the heater during heat rinsing and drying stroke and instead driving the lamp by sterilizing the lamp, it prevents power consumption by long-term driving of the heater and deteriorates parts. There is an effect that can be prevented, and also has the effect of reducing the overall cleaning time by shortening the heater driving time.

Third, according to the present invention, when the transparent window is shocked and damaged by being manufactured by including a scattering prevention member in the transparent window during the configuration of the UV lamp assembly, it is possible to prevent the phenomenon of glass fragments and powder scattering, glass fragments And it has an effect that can prevent the phenomenon that the powder is introduced into the body.

Claims (6)

UV lamps that emit light to generate UV wavelengths; A lamp housing in which the UV lamp is installed; A transparent window installed at the front of the lamp housing to transmit light of the UV lamp; A shatterproof member for preventing glass fragments and powder from scattering when the transparent window is damaged by impact; It is installed to be coupled to the lamp housing, the lamp cover and the exposure hole is formed on the surface for exposing the transparent window, And a coupling part for coupling the lamp housing and the lamp cover. The method of claim 1, The shatterproof member is a dishwasher having a UV lamp assembly, characterized in that formed in one mesh with the transparent window. The method of claim 2, The transparent window dishwasher having a UV lamp assembly, characterized in that the shatterproof member is embedded. The method according to any one of claims 1 to 3, The shatterproof member is a dishwasher having a UV lamp assembly, characterized in that any one of stainless steel (STS), iron, and fiber materials are used. The method of claim 4, wherein The dishwasher having a UV lamp assembly, characterized in that the transparent window is made of a quartz glass material. The method of claim 1, The coupling part A plurality of coupling grooves formed in the lamp housing; Dishwasher having a UV lamp assembly comprising a coupling protrusion formed to be coupled to each of the coupling groove on the lamp cover.

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