KR101259106B1 - UV-lamp assembly of dish washer - Google Patents

Abstract

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 dishes, and also to prevent the phenomenon that the sterilization device provided separately from damage due to external impact It is about.

To this end, the present invention is a tub installed in the main body to form a washing chamber, the door is installed in the front of the main body to open and close the washing chamber, UV lamp assembly provided to sterilize the washing chamber and dishes and filter device In the dishwasher comprising a; The UV lamp assembly includes a UV lamp, a lamp housing installed inside the door, and having a UV lamp installed therein, a transparent window installed in front of the UV lamp housing to transmit light of the UV lamp, Is provided on the front of the UV lamp housing, is installed to open and close the front of the lamp housing by its own weight is provided with a UV lamp assembly of the dishwasher comprising a protection cover: to protect the transparent window.

Dishwasher, UV Lamp Assembly, Protective Cover

Description

ＵＶ Lamp assembly of dishwasher {UV-lamp assembly of dish washer}

1 is a schematic view showing a structure of a conventional dish washer

Figure 2 is a schematic diagram showing the structure of a dishwasher equipped with a UV lamp assembly according to an embodiment of the present invention

3 is a perspective view showing an open state of the door of the dishwasher according to the embodiment of the present invention

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

5 is an exploded perspective view of FIG.

Figure 6 is a perspective view showing a process of opening the protective cover of the UV lamp assembly according to an embodiment of the present invention

Figure 7 is a structure of the door according to an embodiment of the present invention, a schematic view showing the action of the protective cover of the UV lamp assembly in the closed state.

DESCRIPTION OF REFERENCE NUMERALS

10: body 7: door

500: UV lamp assembly 510; UV lamp

550: lamp housing 550: transparent window

810: Guide 830: Slider]

850: elastic member 851: first locking projection

853: second locking projection 891: first locking jaw

893: second jaw

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 3a 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 the 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 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, it is an object of the present invention to install a separate sterilization device inside the dish washer to improve the sterilization power of the tub and dishes.

In addition, an object of the present invention is to enable the sterilization apparatus provided separately to prevent the phenomenon of damage due to external impact.

In order to achieve the above object, the present invention is installed in the main body to form a washing chamber, the door is installed in the front of the main body to open and close the washing chamber, to sterilize the washing chamber and dishes and filter device A dishwasher comprising a provided UV lamp assembly; The UV lamp assembly includes a UV lamp, a lamp housing installed inside the door, and having a UV lamp installed therein, a transparent window installed in front of the UV lamp housing to transmit light of the UV lamp, It is installed on the front of the UV lamp housing, to provide a UV lamp assembly of the dishwasher comprising a protective cover to protect the transparent window to open and close the front of the lamp housing by its own weight.

Preferably, the UV lamp assembly further comprises a moving means for moving the protective cover.

At this time, the moving means is a guide formed on both sides of the front of the lamp housing, the slider is provided on both sides of the protective cover and moved up and down along each guide, and the protective cover installed inside each guide and moved by its own weight It may include an elastic member for returning to the initial position, and an elastic member fixing portion for fixing the elastic member.

Here, each of the guides is preferably formed integrally with the lamp housing.

The elastic member fixing parts may protrude on both sides of the guide to form a first catching protrusion for fixing one end of the elastic member, and protruding on both sides of the protective cover to fix the other end of the elastic member. It can be made by including two locking projections.

As for the elastic member, when the external force is eliminated, it is more preferable to use a tension spring that returns to the initial position.

On the other hand, the moving means may be provided in the guide and the protective cover may further comprise a separation preventing means for preventing the protective cover from being randomly separated from the guide.

The detachment preventing means may include a first catching jaw formed at the end of each guide and a second catching jaw formed on both sides of the protective cover and formed to catch the first catching jaw, respectively.

The transparent window is preferably made of a quartz glass material.

Therefore, the present invention improves the disinfecting power to the inside of the main body and the dishes and the filter device by installing a UV lamp inside the dishwasher, and prevents the transparent window from being damaged from an external impact by providing a protective cover. have.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention that can specifically realize the above object will be described. At this time, the same configuration as the conventional use the same reference numerals will be avoided again detailed description.

First, Figure 2 is a schematic diagram showing the structure of a dishwasher equipped with a UV lamp assembly according to an embodiment of the present invention, Figure 3 is a perspective view showing an open state of the door of the dishwasher according to an embodiment of the present invention to be.

Next, Figure 4 is a perspective view showing the structure of the UV lamp assembly according to an embodiment of the present invention, Figure 5 is an exploded perspective view of FIG.

Next, Figure 6 is a perspective view showing a process of opening the protective cover of the UV lamp assembly according to an embodiment of the present invention, Figure 7 is a structure of the door according to an embodiment of the present invention, the UV lamp assembly in the closed state Is a schematic diagram showing the operation of the protective cover.

As can be seen from Figures 2 and 3, the dishwasher according to the embodiment of the present invention is largely installed in the main body 10 and the tub 3 to form a washing chamber (3a), and the main body 10 of A door 7 is installed at the front and opens and closes the washing chamber 3a, and the UV lamp assembly 500 is installed inside the door 7.

In this case, an upper rack 12 and a lower rack 14 on which dishes are placed are installed in the washing chamber 3a, and an upper part of spraying washing water on the lower part of the upper rack 12 and the lower rack 14. The injection arm 32 and the lower injection arm 34 are respectively disposed.

In addition, the lower part of the washing chamber (3a) is provided with a driving unit installation bar, the driving unit installation portion 5 is provided with a sump (9) for receiving the washing water, the sump (9) by pumping the washing water to the washing chamber ( The washing pump which is sent to the upper injection arm 32 and the lower injection arm 34 of 3a) is installed. 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.

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.

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,

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.

Although not shown, a blower fan may be installed on the exhaust duct 18 to forcibly discharge steam to the outside.

In addition, the UV lamp assembly 500 is installed on one side of the main body to sterilize the dishes and the filter device (not shown) through the light emitted from the UV lamp 510, in the embodiment of the present invention (7) Present what is provided inside.

4 to 6, the UV lamp assembly 500 according to the embodiment of the present invention is largely a UV lamp 510, the lamp housing 530, the transparent window 550, and a protective cover 700 may be included.

Here, the lamp housing 530 is installed inside the door 7, the UV lamp 510 is installed inside the lamp housing 530 to protect the UV lamp 510.

The transparent window 550 is formed of quartz glass and installed on the front surface of the lamp housing to transmit light emitted from the UV lamp 510 into the tub 3 in which the washing chamber 3a is formed. It plays a role to make divergence.

Of course, the transparent window 550 may be formed of a transparent window using a plastic or a general glass material other than the quartz glass material, but such a material may reduce the sterilization power due to a decrease in transmittance through which UV wavelength is transmitted.

As described above, the protective cover 700 according to the embodiment of the present invention may be installed on the front surface of the UV lamp housing 530 to selectively open and close the front surface of the lamp housing 530 by its own weight. Play a role.

That is, in the state in which the door 7 is locked, the protective cover 700 is moved downward by its own weight to open the front of the lamp housing 530, and in the state in which the door 7 is opened, the protective cover 700 is initially initialized. Return to position to close the front of the lamp housing (530).

On the other hand, the UV lamp assembly 500 preferably further comprises a moving means for moving the protective cover 700.

At this time, the moving means may be made to include a large guide 810, the slider 830, the elastic member 850, and the elastic member fixing portion.

Here, the guide 810 is formed on the front surface of the lamp housing 530, respectively formed on the left and right sides of the transparent window 550.

At this time, each guide 810 serves to guide the movement of the protective cover 700.

 And, the slider 830 is installed on both sides of the protective cover 700 serves to allow the protective cover 700 to be moved along each guide 810.

In addition, the elastic member 850 is installed inside each of the guides 810 to serve to return the protective cover 700 moved by its own weight to an initial position.

At this time, according to an embodiment of the present invention, it is preferable that the elastic member 850 is stretched when it receives an external force and a tension spring that returns to its initial position when the external force is released.

The elastic member fixing part is configured to fix the elastic member 850. For example, first elastic protrusions are formed on both sides of the guide 810 to fix one end of the elastic member 850. And a second locking protrusion 853 for protruding from both sides of the base 851 and the protective cover 700 to fix the other end of the elastic member 850.

On the other hand, the moving means may be provided to the guide 810, the protective cover 700 may further comprise a departure preventing means for preventing the departure cover cover 700 from being separated from the guide path (810).

At this time, the separation preventing means is formed on both sides of the first locking jaw 891 and the protective cover 700 formed on the end of each guide 810, so as to be caught on the first locking jaw 891, respectively. It may be formed including a second locking step 833 formed.

Referring to the process and the operation of the protective cover is installed in the UV lamp housing configured as described above are as follows.

First, as shown in FIG. 6, one end of each elastic member 850 is fixed to each of the first locking protrusions 851, and the other end is fixed to the second locking protrusions 853, respectively. The cover is installed to be supported by each of the elastic members 850.

In addition, the sliders 830 formed on both sides of the protective cover 700 are inserted into the guides 810.

At this time, when the protective cover 700 is moved downward by its own weight, the second locking formed on both sides of the protective cover 700 on the lower side of the first locking jaw 891 formed in each guide 810 The jaw 893 is caught to prevent it from being arbitrarily separated from the guide 810.

Through this process, the coupling of the protective cover 700 is completed on the front surface of the UV lamp housing 530, and the UV lamp assembly 500 having the coupling is completed is installed inside the door.

The operation of the dishwasher equipped with the UV lamp assembly installed as described above is as follows.

First, in order to proceed with the heating rinse stroke, the controller (not shown) drives a water supply valve (not shown) to supply water into the sump 9, and drives the washing motor and a heater (not shown) installed in the sump to rinse the heat. To start.

Next, the washing pump pumps the washing water and supplies it to the upper and lower sandstones 32 and 34, and the upper and lower sandstones 32 and 34 spray the pumped washing water onto the dish to rinse.

Next, the UV lamp 510 is driven in order to perform a sterilization function, and generates a UV wavelength to perform a sterilization function.

In this case, as shown in FIG. 7, since the protective cover 700 is in a closed state, the protective cover 700 moves downward by its own weight to open the transparent window 550.

Next, when rinsing and sterilization is completed, the drainage motor (not shown) is driven to control the drainage.

When the heat rinse stroke is completed, the process proceeds to the drying process.

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 510 may be operated to perform a sterilization action together with the heater.

As described above, the present invention can improve the sterilizing power for disinfecting the inside of the dishwasher main body, the dishes, and the filter device by installing the UV lamp assembly inside the washing chamber 3a.

Meanwhile, as shown in FIG. 6, when the dishwasher is operated, that is, the door 7 is locked, the protective cover 700 is moved downward by its own weight so that the front surface of the UV lamp housing 530 is ie. The transparent window 550 is opened, and as shown in FIG. 3, when the user opens the door 7, the self-weight of the protective cover 700 is released and the initial position is released by the elastic member 850. Returning to, the transparent window 550 is closed.

Therefore, even if a user accidentally drops a dish, a knife, a fork, or the like toward the transparent window 550, the transparent window 550 may be prevented from being damaged by the protective cover 700.

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 dishwasher to improve the sterilizing power of the washing chamber of the dishwasher and 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 the heat rinsing and drying stroke and instead by driving the UV lamp to sterilize, 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, the protective cover is installed during the construction of the UV lamp assembly, thereby preventing the transparent window from being damaged by an external impact.

Claims (9)

A dishwasher including a tub installed inside the main body to form a washing chamber, a door installed at the front of the main body to open and close the washing chamber, and a UV lamp assembly provided to sterilize the washing chamber, the dishes, and the filter device. To; The UV lamp assembly With UV lamp, A lamp housing installed inside the door and having a UV lamp installed therein; A transparent window installed in front of the UV lamp housing to transmit light of the UV lamp, And a protective cover installed on the front surface of the UV lamp housing to open and close the front surface of the lamp housing by its own weight so as to protect the transparent window. The method of claim 1, The UV lamp assembly dishwasher further comprises a moving means for moving the protective cover. 3. The method of claim 2, The means of transportation Guides formed on both sides of the front surface of the lamp housing; Sliders installed on both sides of the protective cover and moved up and down along each guide, An elastic member installed inside each of the guides to return the protective cover moved by its own weight to an initial position; Elastic member fixing part for fixing the elastic member: a dishwasher, characterized in that comprises a. The method of claim 3, Each of the guides is integrally formed with a lamp housing. The method of claim 3, The elastic member fixing portion First projections formed on both sides of the guide to fix one end of the elastic member, And a second catching protrusion for protruding from both sides of the protective cover, respectively, to fix the other end of the elastic member. 6. The method of claim 5, The elastic member is a dishwasher, characterized in that the tension spring to return to the initial position when the external force is eliminated. The method according to any one of claims 3 to 6, And a separation preventing means provided on the guide and the protective cover to prevent the protective cover from being randomly separated from the guide. 8. The method of claim 7, The separation preventing means A first catching jaw formed at the end of each guide; The dishwasher is formed on both sides of the protective cover, characterized in that it comprises a second catching jaw formed to be caught on the first catching jaw, respectively. The method of claim 1, The dishwasher, characterized in that the transparent window is made of a quartz glass material.

Images