KR101259114B1 - Dish washer - Google Patents

Abstract

The present invention is to provide a dishwasher to install a separate sterilization device inside the dishwasher to improve the sterilization power of the tub and the dishes and to prevent the accumulation of dirt in the sterilization device provided separately. It is.

To this end, the present invention is installed inside the main tub to form a washing chamber; A door installed at the front of the main body to open and close the washing chamber, and a dispenser for supplying detergent to the inside thereof: a UV lamp assembly installed at the inside of the door to sterilize the inside of the tub and the tableware and the filter device at the same time; It is installed inside the tub and rotates to wash the dishes by spraying the washing water and at the same time provides a dish washer comprising a spray arm for washing the accumulated dirt on the UV lamp assembly.

Dishwasher, Door, UV Lamp Assembly, Jet Arm, Dispenser

Description

Dishwasher {Dish washer}

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

Figure 4 is an exploded perspective view showing the structure of the UV lamp assembly according to an embodiment of the present invention.

DESCRIPTION OF REFERENCE NUMERALS

10: body 7: door

100: upper injection arm 101: the first injection nozzle

102: second injection nozzle 200: dispenser

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

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. Dishwasher is located in the tub 3 and the lower portion of the tub (3) having a washing chamber (3a) is formed by washing the dishes in the main body 10 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 3a to make steam after the washing process is finished.

On the other hand, the driving 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 (3) 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 the site where the exhaust duct 18 and the washing chamber 3a 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 inside of the tub 3, the dishes and the like simply perform the sterilization function using the heat of the heater 13, there was a problem that the sterilization 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 inside of the tub and tableware and accumulate dirt in the sterilization device It is to provide a dishwasher that can prevent the phenomenon.

In order to achieve the above object, the present invention is a tub installed in the main body, the inside is provided with a washing chamber in which dishes are placed to wash; A door installed at the front of the main body to open and close the washing chamber, and an inner side of the door having a dispenser for supplying detergent; UV lamp assembly installed inside the door to sterilize the inside of the tub and utensils and the filter device at the same time, and is installed inside the tub rotates to wash the dishes by spraying the washing water accumulated in the UV lamp assembly Provide a dishwasher comprising: a jetting arm for cleaning dirt.

The injection arm is characterized in that the upper injection arm is installed on the upper side inside the tub.

On the other hand, the UV lamp assembly is installed on one side of the dispenser, it is preferably installed to be located within the rotation radius of the upper injection arm.

At this time, the upper injection arm is more preferably formed with a first spray nozzle for spraying the washing water to the UV lamp assembly side, and a second spray nozzle for spraying the washing water to the tableware side.

In this case, the first spray nozzle may be formed at one end of both sides of the spray arm, and the second spray nozzle may be formed at an upper portion of the spray arm.

The UV lamp assembly includes 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 to transmit light of the UV lamp in front of the lamp housing, and the lamp housing. The cover may be installed to include a lamp cover on which an exposure hole for exposing a transparent window is formed, and a fixing part for coupling the lamp housing to the lamp cover.

Accordingly, the present invention improves the disinfecting power to the inside of the main body and the dishes and the filter device by installing the UV lamp inside the dishwasher, and washes the UV lamp assembly through the spray arm, whereby dirt is accumulated in the UV lamp assembly. The phenomenon can be prevented.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention that can specifically realize the above object will be described. In this case, the same components as in the prior art are given the same names and the same reference numbers for convenience of description, and detailed description thereof will be omitted.

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

As can be seen from Figure 2 and 3, the dishwasher according to the embodiment of the present invention is largely installed in the main body 10, the tub 3 and the washing chamber (3a) formed therein, and the tub (3) The door 7 may be installed at an inner side to open and close the washing chamber 3a, and the UV lamp assembly 300 may be installed at the inner side of the door 7.

An upper rack 12 and a lower rack 14 on which dishes are placed are installed in the tub 3, and an upper injection arm for spraying washing water under the upper rack 12 and the lower rack 14. 100 and the lower injection arm 34 are disposed, respectively.

In this case, the upper injection arm 100 washes the dishes in the washing chamber 3a and at the same time washes the dispenser 200 and the UV lamp assembly 300 installed inside the door 7 to be described later. And also serves to prevent the accumulation of dirt on the UV lamp assembly 300.

At this time, the dispenser 200 serves to supply detergent into the washing chamber 3a.

In addition, the lower part of the tub (3a) is provided with a drive unit mounting portion 5, the drive portion mounting portion 5 is provided with a sump (9) for receiving the wash water, the sump (9) by pumping the washing water The washing pump is installed to the upper spray arm 100 and the lower spray arm 34 of the washing chamber 3. In general, the sump 9 and the upper injection arm 100 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 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 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) may be installed.

As shown in FIG. 3, 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. do.

At this time, the UV lamp assembly 300 is provided on one side of the dispenser 200, the dispenser and UV lamp assembly 300 is preferably installed to be located within the rotation radius of the upper injection arm (100). This is to clean the dirt accumulated in the dispenser 200 and the UV lamp assembly 300 by the washing water sprayed through the upper spray arm described above.

At this time, the upper spray arm 100 is preferably formed with a first spray nozzle 101 for spraying the washing water to the UV lamp assembly 300 side, and a second spray nozzle 102 for spraying the washing water to the tableware side. The first injection nozzle 101 is formed at one end of both sides of the upper injection arm 100, and the second injection nozzle 102 is formed at an upper portion of the upper injection arm 100. desirable.

Of course, the second injection nozzle 101 may be understood that both ends of the upper injection arm 100 are formed.

As shown in FIG. 4, 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 lamp cover 370. It may be made, including.

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 quartz glass material and installed on the front surface of the lamp housing 330 to transmit the light emitted from the UV lamp 310 so that the tub 3, that is, the washing chamber ( 3a) plays a role in diverging internally.

Of course, the transparent window 350 may be formed of a transparent window using a plastic or a general glass material other than the quartz glass material, but the transmittance through which the UV wavelength is transmitted may be reduced, thereby reducing sterilization power.

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. Exposed holes 371 are preferably formed to be exposed to the outside.

In addition, the fixing part is configured to fix the lamp cover 370 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 383 formed at positions corresponding to the coupling grooves 381, respectively, to couple the coupling protrusions 383 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 with the UV lamp assembly 300 configured as described above is as follows.

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

Next, the washing pump (not shown) pumps the washing water in the sump 9 to supply the upper and lower spray arms 100 and 34, and the upper and lower spray arms 100 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.

Meanwhile, the washing water sprayed from the first spray nozzle 101 of the upper spray arm 100 cleans the dispenser 200 and the UV lamp assembly 300 to prevent the accumulation of dirt.

Next, when the heating rinsing and sterilization is completed, the draining motor is driven to discharge the washed water that has been cleaned.

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. It is possible to improve the sterilization power than to sterilize only with a conventional heater.

Meanwhile, the UV lamp assembly 300 and the dispenser 200 are formed by forming the first spray nozzle 101 on the upper injection arm 100 to spray the washing water toward the UV lamp assembly 300 and the dispenser 200. ) Can prevent dirt from accumulating.

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. Herein the essential technical scope of the present invention is shown in the claims, and modifications within the equivalent scope will be construed as being included in the present invention.

As described above, the dish washing machine of the present invention has the following effects.

First, according to the present invention, the UV lamp assembly is installed inside the door of the dishwasher, so that the inside of the washing room and the dishes and the filter device can be sterilized at the same time, and the sterilizing power can be improved.

Second, according to the present invention, it is not necessary to drive the heater for a long time by lowering the temperature of the heater during the heat rinsing and drying stroke and instead by driving the UV lamp to sterilize, thus preventing power consumption by long-term driving of the heater and deteriorating 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, by cleaning the UV lamp assembly and the dispenser through the upper injection arm, there is an effect that can prevent the accumulation of dirt on the UV lamp assembly and the dispenser.

Claims (6)

A tub installed in the main body and having a washing chamber in which dishes are placed and washing therein; A door installed at the front of the main body to open and close the washing chamber, and an inner side of the door having a dispenser for supplying detergent; A UV lamp assembly installed inside the door to sterilize the inside of the tub and the dishes and the filter device at the same time; And a spray arm installed at the inside of the tub to rotate the washing water to wash the dishes while washing the dishes, and at the same time to wash the accumulated dirt on the UV lamp assembly. The method of claim 1, The spray arm is a dish washer, characterized in that the upper spray arm is installed on the upper side inside the tub. 3. The method of claim 2, The UV lamp assembly is installed on one side of the dispenser, wherein the dispenser and UV lamp assembly is installed to be located within the radius of rotation of the upper injection arm. 4. The method according to any one of claims 1 to 3, And a second spray nozzle for spraying the washing water toward the UV lamp assembly, and a second spray nozzle for spraying the washing water onto the dish side. 5. The method of claim 4, And the first spray nozzle is formed at one end of both sides of the spray arm, and the second spray nozzle is formed at an upper portion of the spray arm. The method of claim 1, The UV lamp assembly UV lamps that emit light to generate UV wavelengths, A lamp housing in which the UV lamp is installed; A transparent window installed to transmit light of the UV lamp on a front surface of the lamp housing; A lamp cover installed to cover the lamp housing, and having an exposure hole formed on the surface to expose the transparent window; And a fixing unit for engaging the lamp housing and the lamp cover.

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