KR102263605B1 - Ultrasonic dish washer - Google Patents

Abstract

The present invention relates to an ultrasonic dishwasher, comprising: a washing tub (100) having side walls provided on all sides of a bottom plate (101) and containing washing water in an open state; a plurality of vibrator modules 110 attached to the bottom surface of the bottom plate 101 of the washing tank 100; a heater 120 installed in the washing tank 100 to heat the washing water; The bubble tube 130 is installed at a predetermined height on the bottom plate 101, and is provided with a myriad of small air holes 131 to supply air to the washing water to generate a large amount of bubbles; It is formed as a grid mesh and installed on the bubble tube 130, and a support network 140 on which dishes to be washed are placed; It is installed on one side of the washing tank 100, and the operation unit 150 is equipped with several buttons to operate the vibrator module 110 and the bubble tube 130 according to the set driving program of the control unit.
When the control unit connected to the operation unit 150 receives an operation signal through the start/stop button, one cycle repeats the set or selected ultrasonic operation time + bubble operation time + delay time a predetermined number of times, and alternates the ultrasonic wave and bubble for the selected number of cycles. It is characterized in that it is made to operate as

Description

Ultrasonic dish washer

The present invention relates to an ultrasonic dishwasher, and more particularly, to significantly reduce operating time due to washing by enabling foreign substances such as food waste on the dishes to be more efficiently removed when dishes are washed using ultrasonic waves and bubbles. It relates to an ultrasonic dishwasher that can be used.

In general, it takes a lot of time for workers to manually wash and rinse many dishes provided with food to various customers in catering establishments, such as restaurants and cafeterias, and consumes a lot of manpower, resulting in high labor costs.

Since it takes a lot of time to wash a large amount of dishes by hand, it is difficult to quickly and timely supply dishes for other guests in the establishment, so most catering establishments use commercial dishwashers to wash large amounts of dishes. I use it a lot.

The commercial dishwasher is divided into a general dishwasher that washes, rinses, and sterilizes by spraying washing water and rinsing water, and an ultrasonic dishwasher that washes by vibrating water molecules with ultrasonic waves.

In most general dishwashers, the cover constituting the washing room is installed on the upper part of the washing machine body in a lifting type, and a pair of upper washing nozzles and upper rinsing nozzles are installed at the top and bottom of the washing room where racks containing dishes to be washed are put in and out. A pair of lower washing nozzles and lower rinsing nozzles are rotatably installed.

In such a general dishwasher, washing dishes in the rack with washing water supplied and sprayed to the upper and lower washing nozzles according to the driving program sequence, and rinsing the dishes with high-temperature rinsing water supplied to and sprayed from the upper and lower rinse nozzles, and Steps to perform disinfection are to be performed.

However, in recent years, the use of a dishwasher using ultrasonic waves is gradually increasing in order to efficiently wash a large amount of dishes in a food service establishment within a shorter time.

In the ultrasonic dishwasher, when the ultrasonic generator installed on the bottom of the washing tub is operated in a state in which the dishes contaminated with food are submerged in the washing water of the washing tub, the waves generated as contraction and expansion occur alternately due to the vibration of molecules are generated between the molecules of the washing water. It cleans the surface and deep inside of the object to be washed (tableware) within a short time by shock wave that releases strong energy while destroying cohesion.

As a prior art for such an ultrasonic dishwasher, there is an "ultrasonic dishwasher" (hereinafter referred to as 'prior art 1') of Republic of Korea Patent No. 10-1974789 (published on May 2, 2019) disclosed in the following prior art documents. .

The prior art 1 is a washing tank provided with sidewalls on all sides of the bottom plate and having an open top; a plurality of vibrator modules attached to the bottom plate of the washing tank; a heater installed in the washing tank to heat the washing water; a bubble pipe installed on the bottom plate to supply microbubbles to the washing water by gas pressure; a grid placed on top of the bottom plate to place dishes to be washed; The operation button and display window for driving the heater, the vibrator module, and the bubble tube are installed on the front surface of the housing unit constituting the washing tank.

As another prior art, there is an "ultrasonic dishwasher with improved washing efficiency" (hereinafter referred to as 'prior art 2') of Korean Patent Registration No. 10-1973928 (published on April 29, 2019) disclosed in the following patent documents.

In the prior art 2, when a plurality of ultrasonic vibrating units are installed on the bottom of the washing unit having a washing space at the upper part, the ultrasonic vibrator is installed with an adhesive member made of silicone material that absorbs the noise and vibration of the ultrasonic vibrator that vibrates the main body of the washing machine. It is an ultrasonic dishwasher that improves cleaning efficiency by improving the ultrasonic intensity by minimizing the noise and vibration generated from it.

As another prior art, there is a "Vibrator Attachment Structure of Ultrasonic Dishwasher" (hereinafter referred to as 'Prior Art 3') of Korean Utility Model Publication No. 1993-0007484 (1993.10.30. Announcement) disclosed in the following patent documents. .

The prior art 3 is characterized in that a plurality of insertion holes are formed in the bottom plate of the washing tub, the vibrator is forcibly fitted in each insertion hole, and an adhesive is applied to the periphery thereof and installed.

Republic of Korea Patent No. 10-1974789 (2019.05.02. Announcement) "Ultrasonic Dishwasher" Republic of Korea Patent Registration No. 10-1973928 (2019.04.29. Announcement) "Ultrasonic dishwasher with improved cleaning efficiency" "Attachment structure of vibrator of ultrasonic dishwasher" of Republic of Korea Utility Model Announcement No. 1993-0007484 (1993.10.30. Announcement)

In most ultrasonic dishwashers including the prior art 1, 2, and 3, the control unit is programmed to simultaneously perform the process of applying ultrasonic vibration to the washing water with the vibrator module and the process of supplying microbubbles to the washing water through the bubble tube. There is a problem with this weakening.

In addition, when installing the vibrator module on the bottom plate, after perforating the bottom plate in several places, the vibrator module was inserted into each perforated part and fixed with adhesive. There is a problem that the adhesive component is dissolved in the washing water inside, which is harmful to the human body.

In addition, the space where the heater should be installed in addition to the bubble tube and the grid mesh is required on the bottom plate, so the area for placing the dishes on the grid is smaller, so there is a problem that the amount of washing per one time is small, and the heater exposed to the washing room is There is a problem in that food residues easily stick to and shorten the lifespan.

Accordingly, the present invention has been developed to improve the problems of the prior art, and an object of the present invention is to use each sequentially without operating the ultrasonic wave and bubble at the same time to maximize their function without interfering with each other. To provide an ultrasonic cleaner with

Another object of the present invention is to provide an ultrasonic cleaner that can be installed more quickly without fear of leakage when installing the ultrasonic vibrator module on the bottom plate of the washing tank, and can easily control the intensity of ultrasonic waves from the control unit.

Another object of the present invention is to provide an ultrasonic cleaner capable of increasing the washing chamber area and extending the life of the heater by providing a heater for heating the washing water in the washing tank to be safely protected from food waste.

The present invention as described above is a box-shaped washing tank containing washing water to achieve the above object; a plurality of vibrator modules attached to the bottom of the bottom plate of the washing tank; a heater installed in the washing tank; a bubble tube installed on the bottom plate and provided with countless small air holes on one side to supply air to the washing water to generate a large amount of bubbles (air bubbles); a support net formed in a grid shape and installed on the bubble tube, on which dishes to be washed are placed; It is installed on one side of the washing tank, and consists of an operation unit equipped with several buttons so that the vibrator module and the bubble tube can be operated by the control unit. However, depending on the button selection of the operation unit, the ultrasonic waves and bubbles are repeatedly operated for a certain period of time or It is characterized in that it is made to be an individual operation of the bubble.

Another object of the present invention is to integrally form an ultrasonic concentration unit that protrudes upward for each part where the vibrator module is to be installed in the bottom plate of the washing tank, so that the vibrator module can be installed without a risk of leakage, and the cleaning efficiency is improved by focusing the ultrasonic wave through the ultrasonic concentration unit This can be achieved by increasing

Another object of the present invention is to form a heater recessed part with an open upper surface in the bottom plate of the washing tank to a certain depth so that the heater is installed in an embedded type under the bottom plate to secure a larger washing space, and the heater recessed part has a fine If a cover with countless balls is installed, the heater can be safely protected from food waste, so the purpose can be achieved.

The present invention does not operate the ultrasonic wave and bubble at the same time, but operates each sequentially and individually, so that the ultrasonic wave and bubble do not interfere with each other, thereby maximizing their respective functions. It works.

In addition, there is no risk of leakage when the vibrator module is installed on the bottom plate of the washing tank, and the cleaning power can be improved by focusing the ultrasonic waves. It has various effects such as removal of pesticide residues.

In addition, since the heater can be safely protected from food waste, it has the effect of extending the lifespan and increasing the washing room area to shorten the washing time and save water, electricity, gas, and detergent.

1 is a cross-sectional view showing the internal structure of an ultrasonic dishwasher according to the present invention;
2 is a plan view showing the structure of an ultrasonic dishwasher according to the present invention;
Figure 3 is a state diagram in which the vibrator module, the bubble tube and the support net are installed on the bottom plate of the washing tank of the present invention;
4 is a state diagram in which the heater is installed in the washing tank bottom plate of the present invention in an embedded type;
5 is a partial perspective view showing a state in which the rack support of the present invention is provided on one side of the washing tank;

Hereinafter, the technical configuration and operation that can effectively achieve the above object of the present invention will be described in detail with reference to the accompanying drawings as preferred embodiments.

1 is a cross-sectional view showing the internal structure of an ultrasonic dishwasher in which the present invention is implemented, FIG. 2 is a plan view showing the structure of an ultrasonic dishwasher in which the present invention is implemented, and FIG. 3 is a vibrator module and a vibrator module on the bottom plate of the washing tub according to the present invention It is a state diagram of the bubble pipe and support net installed.

The ultrasonic dishwasher of the present invention shown here is composed of a washing tank 100 , a vibrator module 110 , a heater 120 , a bubble tube 130 , a support net 140 , and an operation unit 150 .

The washing tank 100 includes a washing chamber in the shape of a housing having side walls on all sides of the bottom plate 101 of a predetermined size, the washing water is contained at a certain level, the upper part of the washing chamber is in an open shape, and the washing tank 100 ) A support wall 102 of a predetermined height is provided above the sidewall of the rear surface.

If the washing chamber of the washing tub 100 is formed to have a rectangular shape with a horizontal width greater than a vertical width, a larger amount of objects to be washed can be processed than a square washing chamber.

A plurality of the vibrator modules 110 are attached to and installed on a predetermined portion of the bottom surface of the bottom plate 101 constituting the washing tub 100 . At this time, the bottom plate 101 of the washing tub 100 is integrally formed with the ultrasonic focusing part 103 slightly protruding upward for each part where the plurality of vibrator modules 110 are to be installed.

As described above, since the ultrasonic concentrating part 103 in which the vibrator module 110 is installed is formed by forming the bottom plate 101 and protruding integrally, the vibrator module 110 can be safely attached without fear of water leakage. Also, since the ultrasonic waves generated from the vibrator module 110 intensively reach the dishes immersed in the washing water through the ultrasonic focusing part 103 slightly protruding upward, the washing efficiency can be increased.

The heater 120 is installed in the washing tub 100 to heat the washing water in the washing tub 100 according to the user's operating temperature or set temperature, and the heater 120 is set to operate automatically when the dish mode is selected, When selecting other modes (fruit/vegetable/seafood), it is set not to operate.

4 is a state diagram in which the heater is installed in the washing tank bottom plate of the present invention in an embedded type. As shown in this figure, in the bottom plate 101 of the washing tub 100 , a hatcher recess 104 with an open upper surface is formed to a predetermined depth so that the heater 120 is installed in the bottom plate 101 under the bottom plate 101 . And, it is characterized in that the upper surface of the hatcher embedding part 104, the cover 160 is formed innumerable micropores 161 are installed.

Then, since only the bubble tube 130 and the support net 140 need to be placed on the bottom plate 101, it is possible to secure more space for the dishes on the support net 140 to be placed, thereby increasing the amount of dishes that can be washed at one time. can reduce cleaning time.

And heat transfer of the heater 120 for heating the washing water through the micropores 161 of the cover 160 placed on the upper surface of the hatcher insert 104 is facilitated. At this time, the heater 120 is installed as far as possible from the food waste washed away from the tableware in an embedded type, so that the food waste is safely protected without the fear of sticking, so that the life of the heater 120 can be extended.

The bubble tube 130 is installed to be spaced apart at a predetermined height on the bottom plate 101 as shown in FIG. 3, and a small-sized air hole 131 to supply air to the washing water to generate a large amount of bubbles (air bubbles). This is innumerable.

Here, it is preferable that all of the air holes 131 are provided on the bottom surface of the bubble tube 130 in a downward direction to face the bottom plate 101 . Then, even if food wastes falling from the dishes to be washed fall and accumulate on the surface of the bubble tube 130 , there is no fear of clogging the air holes 131 , so that the bubble operation can be smooth.

The support net 140 is formed as a grid-shaped net so that dishes, fruits, vegetables, seafood, etc., which are objects to be washed, to be washed, are placed on the bubble tube 130 and installed, and spaced apart from the bubble tube 130 by a predetermined interval. Leggings are provided in several places so that they can be placed on top of each other.

Here, when the washing chamber of the washing tank 100 has a rectangular shape with a larger horizontal side, the support net 140 is also installed on the bottom plate 101 in a rectangular shape with a larger horizontal side. In this case, the present invention is shown in FIGS. 1 and 2 . Select the left or right side of the support net 140 with the hinge part 141 as the center when performing partial cleaning or AS by having a hinge part 141 for folding in the center of the rectangular support net 140 as shown. so that it could be raised.

That is, in the prior art, even if cleaning or AS is required for only one part, not the whole, there is a hassle of having to lift all the objects to be washed placed on the support net and then lift the entire support net, but the present invention provides the necessary side of the left and right sides After lifting only the object to be washed, the support net 140 of the half is raised with the hinge part 141 as a starting point, so there is convenience in use.

The operation unit 150 is equipped with a power on/off button, a start/stop button, a tableware and fruit/vegetable selection button, an ultrasonic/bubble operation time selection button, a heater selection button, a continuous bubble button, and a plurality of buttons and display windows. 100) is installed on one side.

Here, the manipulation unit 150 is preferably installed on the support wall 102 provided at a predetermined height on the rear side wall of the washing tub 100 as shown in FIGS. 1 and 2 . Then, since the manipulation unit 150 is located at the user's eye level, there is convenience in use.

In addition, the support wall 102 of the washing tub 100 may be provided with a water supply unit 180 connected with direct water so that the washing water can be easily replenished at any time when the level of the washing water filled in the washing tub 100 is low so that the washing water can be easily replenished at any time.

Unexplained reference numeral 170 in the drawing of FIG. 5 is a rack support provided on one side of the upper surface of the washing tub 100, and is located on one side so that the rack can be moved along the support wall 102 when rinsing the object to be washed in the rack. A wall hanging part 171 is provided.

In the present invention, it is preferable to repeat the operation of the ultrasonic wave and the bubble alternately for a certain period of time according to the button cooking selection of the operation unit 150, and in addition, the ultrasonic only operation or the bubble only operation may be performed.

Here, when ultrasonic energy is emitted to the washing water, which is a liquid, contraction and expansion occur alternately due to the vibration of molecules, and the wave propagates through the washing water. When the ultrasonic energy is further increased, the cohesive force between the liquid molecules is destroyed and more than tens of millions of microscopic cavities are generated, a phenomenon called cavitation. It separates and cleans the foreign substances buried deep inside without damaging the dishes to be washed.

In addition, the bubble by air supplied through the bubble tube 130 forms air bubbles in the water to move and mix detergents (active agents), and also moves the dishes to be washed to change the angle and position of receiving ultrasonic waves. It serves to increase the cleaning power through ultrasonic waves.

At this time, if the ultrasonic wave and bubble are operated at the same time as in the prior art and the prior art, they interfere with each other and halve their respective functions. Detergency is reduced.

Accordingly, in the present invention, when the control unit connected to the operation unit 150 receives an operation signal through the start/stop button, the set or selected ultrasonic operation time + bubble operation time + delay time is repeated a predetermined number of times as one cycle, and ultrasonic waves and It is characterized in that the bubbles are operated alternately.

For example, 60 seconds of ultrasonic operation time selected between 20 and 120 seconds + 10 seconds of bubble operation time selected between 10 and 30 seconds + delay time (about 2 seconds) are repeated 3 times as 1 cycle, 15 times When the number of cycles is selected, the heater 120 is operated and only ultrasonic waves are operated for 60 seconds, so that ultrasonic vibrations are favorably applied to the dishes.

After that, when the 60-second operation time is over, the ultrasonic wave stops, and the activator input and bubble-only operation proceed for 10 seconds to ensure good movement and mixing of the activator and 3 times with a predetermined delay time as one cycle. The cycle is repeated a number of times (15 times).

As described above, when the ultrasonic waves and bubbles are sequentially operated separately, there is no risk of interfering with their respective actions, and the mixing of detergents and movement of the dishes becomes smooth, thereby increasing the washing power of the dishes.

According to the present invention, ultrasonic intensity control, ultrasonic operation time, bubble operation time, and continuous bubble cooking can be selected through the operation unit 150 provided with a button having a plurality of functions. And, if necessary, the operation time selection of the bubble is set to start from '0', so that only the ultrasonic wave can be operated without using the bubble.

And, if you want the sequential operation of ultrasonic + bubble as needed, you can select various ultrasonic operation time and bubble operation time at an arbitrary ratio. If you want only bubble, you can use only the bubble by selecting the continuous bubble button. It can be used in various ways depending on the vegetable/seafood mode.

100: washing tank 101: bottom plate
102: support wall 103: ultrasonic concentration part
104: heater insert 110: vibrator module
120: heater 130: bubble tube
131: air hole 140: support net
141: hinge unit 150: operation unit
160: cover 161: micropore
170: rack support 180: water supply

Claims (5)

In configuring the ultrasonic dishwasher,
The bottom plate 101 is provided with side walls on all sides, the washing tank 100 containing the washing water;
a plurality of vibrator modules 110 attached to the bottom surface of the bottom plate 101 of the washing tank 100;
a heater 120 installed in the washing tank 100 to heat the washing water;
The bubble tube 130 is installed on the bottom plate 101, and is provided with a myriad of small air holes 131 on the bottom surface to supply air to the washing water to generate a large amount of fine bubbles;
a support net 140 installed on the bubble tube 130 and on which dishes to be washed are placed;
It is installed on one side of the washing tank 100, and the operation unit 150 is equipped with several buttons and a display window so that the vibrator module 110 and the bubble tube 130 can be operated according to the set driving program of the control unit;
The operation unit 150 includes a power on/off button, a start/stop button, a tableware and fruit/vegetable selection button, an ultrasonic/bubble operation time selection button, a heater selection button, a continuous bubble button, and a plurality of buttons,
When the control unit connected to the operation unit 150 receives an operation signal through the start/stop button, it repeats the ultrasonic operation time + bubble operation time + delay time a predetermined number of times according to the set or selected button as one cycle, Let the bubbles operate alternately,
The bottom plate 101 of the washing tank 100 is,
and an ultrasonic concentration unit 103 formed to protrude upwardly from the bottom plate 101 itself of the part where the vibrator module 110 is to be installed,
By attaching the vibrator module 110 to the bottom of the formed ultrasonic focusing part 103,
An ultrasonic dishwasher characterized in that there is no risk of leakage through the vibrator module (110), and cleaning efficiency is increased by focusing the ultrasonic waves through the ultrasonic focusing unit (103).
delete The method of claim 1,
Power on/off button, start/stop button, tableware and fruit/vegetable selection button, ultrasonic/bubble operation time selection button, heater selection button, continuous bubble button, and a number of buttons in addition to the control unit 150 includes ultrasonic intensity control, Allows you to select the ultrasonic operation time, bubble operation time, and continuous bubble cooking,
Bubble operation time selection starts from '0' so that only ultrasonic waves can be operated,
An ultrasonic dishwasher characterized in that it is possible to select the ultrasonic operation time and the bubble operation time in an arbitrary ratio when the sequential operation of ultrasonic + bubble is desired.
delete The method of claim 1,
In the bottom plate 101 of the washing tub 100, a hatcher recess 104 with an open upper surface is formed to a certain depth so that the heater 120 is installed under the bottom plate 101 in an embedded type,
Ultrasonic dishwasher, characterized in that the heater 120 is protected from food waste by installing a cover 160 having innumerable micropores 161 formed on the upper surface of the hatcher insert 104 .

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