KR20000030560A - A apparatus for dry and virus kill using ozone - Google Patents

Abstract

PURPOSE: A sterilizing drier is provided to improve the sterilizing ability by ozone through increasing the concentration of the ozone to be circulated within a storing space of kitchenware, to regulate the concentration of ozone less than the recommended reference which is harmless to a human body and to improve the effects of preventing a bad smell and sterilizing by warm wind-drying water of the kitchenware within a short time. CONSTITUTION: A sterilizing drier is composed of a storing space(22) for storing kitchenware, a main body(2) having a door(24), an ozone generation unit(4) having a plasma electrode(42) for generating ozone, a warm wind supplying unit(6) for supplying warm wind to dry the kitchenware, an exhaust ozone unit(8) having an exhaust fan(84) and an ozone filter(82), a control unit(16) for controlling the actions of the ozone generation unit, the warm wind supplying unit and the exhaust fan based on the previously stored program and an operation indicating unit. Herein, the ozone generation unit generates ozone into the concentration of 25 to 100ppm within 15 minutes set up as the operation time of one time, and the ozone filter filters the ozone and discharges to the outside in the concentration less than 0.06ppm.

Description

Kitchen Appliance Sterilization Dryer {A apparatus for dry and virus kill using ozone}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sterilizing dryer for kitchen utensils, and more particularly, to a sterilizing dryer for sterilizing and drying kitchen utensils containing moisture and sterilization.

Recently, various products using the bactericidal effect of ozone have been developed, and this has been applied to kitchen furniture or general furniture with a high risk of bacterial propagation.

By installing a device that generates ozone where deodorization and sterilization are required, it is possible to prevent the sterilization and sterilization of various bacteria by the ozone generated here.

The background of the present application is based on the fact that kitchenware such as cutting boards, dishcloths and knives, which are exposed to high humidity and a high risk of bacterial propagation, also has a high need for sterilization.

In the application of the ozone generator as a sterilizer for kitchen utensils, in order to enhance the sterilization effect, the moisture for promoting germ propagation is removed and the kitchen utensil to be sterilized is exposed for a sufficient time for sterilization in a high concentration ozone environment. shall.

However, if a high concentration of harmful ozone that adversely affects the human body is generated, the ozone leaking through the door gap is likely to damage the human body.

At present, international certification standards such as UL regulate the ozone emission concentration standard of 0.06ppm or less per hour to prevent ozone from harmful concentrations. At the same time, there is a need for a technology that can maximize the sterilization effect by ozone.

The present invention has been made as a result of a thorough review of the above-described conventional problems, the object of the present invention is to increase the concentration of ozone to be circulated in the storage space of kitchen utensils to increase the sterilization ability by ozone The effect of odor prevention and sterilization can be regulated by limiting the concentration of ozone emitted to the outside to below the recommended standard of harmless to human body (average 0.06ppm per hour) and drying the water of kitchen utensils stored in the storage space within a short time. The goal is to make it even higher.

The present invention for achieving the above object is a storage box body having a storage space for storing various kitchen utensils therein and having a door for opening and closing the storage space, and the storage by the high-voltage electrical signal applied from the high-pressure generating unit An ozone generator having a plasma electrode for generating ozone to be circulated in the space, a warm air supply unit for supplying warm air for drying kitchen appliances into the storage space, an exhaust fan for exhausting ozone in the storage space to the outside, and An ozone section having an ozone filter for adsorbing ozone and filtering to below a predetermined concentration, a key input section including a plurality of buttons for inputting operating conditions of the ozone generating section, an exhaust fan, and a hot air supply section, and the storage space A temperature sensor for detecting a bet temperature of the door, a door opening detecting means for detecting opening of the door, and a burr of the key input unit A control unit which processes an operation input signal, a detection signal of the temperature sensor, and a detection signal of a door opening detecting unit and controls the operation of the ozone generator, the warm air supply unit and the exhaust fan according to a pre-stored program, and the output of the controller According to the present invention provides a kitchen appliance sterilization dryer, characterized in that provided with an operation display unit for displaying the operating state of the ozone generator and the hot air supply.

1 is an exploded perspective view of a kitchenware sterilization dryer according to an embodiment of the present invention;

Figure 2 is a side cross-sectional view showing a kitchenware sterilization dryer according to an embodiment of the present invention,

3 is a circuit diagram of a kitchenware sterilization dryer according to an embodiment of the present invention;

Figure 4 is a configuration of the front panel of the operation display unit and the key input unit of the configuration of the kitchenware sterilization dryer according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

2: holder body 4: ozone generating unit

6: hot air supply unit 8: Baozone

10: key input section 11: operation display section

12: temperature sensor 14: door open detection means

16: control unit 18: high pressure generating unit

22: storage space 24: door

62: blower 64: heater

82: ozone filter 84: exhaust fan

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention.

1 is a perspective view showing an exploded kitchen utensil sterilization dryer according to an embodiment of the present invention, Figure 2 is a side sectional view showing a kitchen utensil sterilization dryer according to an embodiment of the present invention, Figure 3 is an embodiment of the present invention 4 is a circuit diagram of a sterilizing dryer for kitchen appliances according to an embodiment of the present invention, and FIG. 4 is a block diagram of a front panel in which an operation display unit and a key input unit are arranged among the components of the kitchen appliance sterilizing dryer according to an embodiment of the present invention.

As shown in the drawing, the present invention includes a storage box body 2 having a storage space 22 therein for storing kitchen utensils therein and having a door 24 for opening and closing the storage space 22, and a high pressure generating unit 18. An ozone generator (4) having a plasma electrode 42 for generating ozone to be circulated in the storage space 22 by the high-voltage electrical signal applied from the, and for drying the kitchen utensils in the storage space 22 A warm air supply unit 6 for supplying warm air, an exhaust fan 84 for exhausting ozone in the storage space 22 to the outside, and an ozone filter 82 for adsorbing the exhausted ozone to be below a predetermined concentration; Key input unit 10 having a plurality of buttons PB1 to PB4 for inputting an operating condition of the ozone generating unit 8, the ozone generating unit 4, the exhaust fan 84, and the hot air supply unit 6; ), The temperature sensor 12 for detecting the internal temperature of the storage space 22, and the opening of the door 24 Underground door detection means 14, the button operation input signal of the key input unit 10, the detection signal of the temperature sensor 12 and the detection signal of the door opening detection means 14 to process the pre-stored program According to the output of the control unit 16 and the control unit 16 for controlling the operation of the ozone generator 4, the warm air supply unit 6 and the exhaust fan 84, the ozone generator 4 and the It consists of an operation display unit 11 for displaying the operating state of the hot air supply (6).

The ozone generating unit 4 generates ozone to be within a concentration of 25 ppm to 100 ppm within 15 minutes set as a single operation time in the inner storage space 22 of the holder body 2, and the ozone filter 82 is During operation of the exhaust fan 84, the ozone in the storage space 22 is filtered to discharge to the outside at a concentration of 0.06 ppm or less.

As shown in FIG. 2, the ozone filter 82 is a catalyst filter made of a fiber binder having a plurality of vents, and the catalyst component includes at least one of slaked lime, activated carbon, potassium carbonate, copper, manganese, and titanium oxide. do. The ozone filter is manufactured by molding a sheet-like material manufactured by a unique manufacturing method that does not inhibit the ozone decomposition action into a wave form on a wave forming roll.

Activated carbon absorbs ozone up to four times its own weight.

The ozone generator 4 ionizes oxygen in the air to separate one oxygen molecule (O ₂ ) into two oxygen atoms (O), and combines the two oxygen atoms generated therein with another oxygen molecule to form ozone ( O ₃ ).

The ozone generation method is a conventional method mainly using a plasma reaction. The plasma formation methods known to date include a thermal method using a heat source and an electrical method using a high field. Since a method of using a heat source requires a temperature of tens of thousands of degrees, an electric method is suitable for a home appliance using an electric force.

Therefore, in order to generate ozone from the air supplied by forming plasma by an electrical method, the plasma electrode 42 which generates ozone from oxygen molecules by plasma discharge is applied by applying a high voltage to a pair of electrode plates facing each other. It is provided.

The hot air supply unit 6 is composed of a heater 64 for electrically generating heat, and a blower 62 for blowing air heated by the heat of the heater.

On the other hand, according to an embodiment of the present invention, the front opening of the holder body 2 is opened and closed by a door 24 having a handle 242, the lower end of the rear door 24 for fixing kitchen utensils A pedestal 244 is provided on the side to support the storage structure 243 and has a channel 245 for lateral sliding opening and closing of the door 24, and the pedestal 244 is a drain hole for draining water away from kitchen utensils. 246, and a condensate receiver 248 for receiving the water drained through the drain 246 is fixed to the lower portion of the pedestal 244.

The storage structure 243 may be manufactured in various forms in a suitable shape for fixing the storage of kitchen appliances of various shapes.

A permanent magnet 25 is attached to at least one side of the front surface of the holder body 2 and the rear surface of the door 24, and a permanent magnet or magnetic material is attached to the other side to fix the door in a closed state.

The circuit mounting part 224 for mounting a circuit unit, such as the high voltage | voltage generation part 18 and the control part 16, is provided in the upper side of the accommodating space 22. As shown in FIG.

A duct structure for inflow of outside air is formed in a space partitioned above the circuit mounting unit 224, and the outside air is introduced into the duct 21 through the outside air inlet 212 and then comprises a blower constituting the hot air supply means 6. It is configured to be introduced into the accommodating space 22 after being heated by the heater 64 while being introduced into the pump 62 and being pumped.

In addition, a temperature sensor 12 for detecting the internal temperature of the storage space 22 is installed on the inner wall of the housing body 2, the contact switch of the push operation type as the door open detection means 14 for detecting the door opening. Is used to open the door 24 so that the switch knob is displaced.

In FIG. 3, reference numeral 172 denotes a power supply unit, and the power supply unit 172 uses an AC power source AC, a DC power supply VDD for driving the exhaust fan 84, and a constant voltage DC power supply VCC for microprocessing. Output

In accordance with an embodiment of the present invention, an electrical switching is performed according to a control signal of the controller 16 to supply the AC power AC of the power supply unit 172 to the blower 62 and the heater 64. And an ozone exhaust power switching unit 176 for supplying DC power VDD to the exhaust fan 84 by performing electrical switching according to the control signal of the controller 16. The controller 16 may use a programmable micom.

In addition, the exhaust fan 84 of the ozone section 8 is preferably configured to operate intermittently during the operation of the ozone generator 4, it may be configured to operate throughout the operation of the ozone generator (4).

1 and 4, the key input unit 10 and the operation display unit 11 are provided together on the front panel of the holder body 2 so that the user can press the buttons PB1 to PB4 of the key input unit 10. The operation of the hot air supply unit 6 and the ozone generator 4 can be operated by automatic control or manual control, time reservation, and the user can operate the lamps LED1 to LED4 of the operation display unit 11 by operation. Through the hot air supply unit 6 and the ozone generating unit 4 to check the operating state.

The operation of the circuit unit including the control unit 16 operates as follows by operating the buttons PB1 to PB4 of the key input unit 10.

A power button PB1; When the power button PB1 of the key input section 10 formed on the panel is pressed, the power is turned on, and selection of automatic, drying and reservation functions is possible.

An automatic button PB2; In this state, when the automatic button PB2 is pressed, the three-level hot air supply and ozone sterilization function set in advance in the control unit 16 are automatically performed according to the internal temperature of the storage space 22 obtained through the temperature sensor 14. . The third level is a differential of the operating time of the hot air supply unit 6 and the ozone generating unit 4, and is set in advance to, for example, 20 minutes, 40 minutes, and 60 minutes. At this time, the control unit 16 controls the hot air supply and ozone sterilization of the three levels, and compares the sensing signal provided from the temperature sensor 14 with previously stored set value data and displays the display unit associated with the set value according to the comparison result ( The lamps LEB1 to LED4 of 11) are turned on.

Drying button PB3; Pressing the drying button (PB3) is manually switched to set the operating time of the above-described three-stage level according to the number of presses.

A reservation button PB4; Pressing the reservation button (PB4) is stored in the control unit 16 can be selected according to the preset number of times of pressing the preset two-stage, the control unit 16 after the selected reservation time ozone generator 4 and the warm air supply (6) ) Is controlled to operate with the same function as automatic selection.

On the other hand, the control unit 16 controls to stop the ozone generation by the signal of the door open detection means 14 when the door 24 in front of the holder body 2 is opened, and when the door 24 is opened and closed, the reservation is made. To operate for the remaining remaining time.

The control unit 16 must store a program that manages the overall system operation in advance.

In addition, when the sterilization dryer of the present invention is operated, the air heated by the hot air supply unit 6 is preferably provided at a temperature of 60 to 80 ° C. in the storage space 22. The temperature control is performed according to the control output of the controller 16 programmed based on the sensing signal of the temperature sensor 14.

During the operation of the ozone generator 4 described above, the exhaust fan 84 of the ozone zone 8 intermittently or continuously operates to externally discharge ozone to a concentration below the recommended standard value.

As described above, the kitchenware sterilization dryer of the present invention can dry and dry the moisture which is one of the bacteria propagation conditions at the same time as ozone sterilization and effectively sterilize and dry the inside of the accommodating body and the housed humid kitchen utensils in a short time. The various kitchen utensils can be stored and used hygienically. In addition, the high concentration ozone in the storage space is configured to be ozone below the recommended standard value of the concentration harmless to the human body through the ozone filter. There is an advantage that can be used without worrying about the damage caused.

Claims (4)

A cabinet body 2 having a storage space 22 therein for storing various kitchen utensils therein and having a door 24 for opening and closing the storage space 22, and the high voltage electricity applied by the high pressure generating unit 18. An ozone generator 4 having a plasma electrode 42 for generating ozone to be circulated in the storage space 22 by a signal, and a warm air supply for supplying warm air for drying kitchen utensils into the storage space 22. An ozone section (8) having an ozone filter (82) for discharging ozone in the storage space (22) by adsorbing ozone to be below a predetermined concentration, and the ozone generating section (4); A key input unit 10 including an exhaust fan 84 and a plurality of buttons for inputting operating conditions of the hot air supply unit 6, a temperature sensor 12 for sensing the air temperature of the storage space 22; The door opening detecting means 14 for detecting the opening of the door 24 and the button set of the key input unit 10 are provided. The operation input signal, the detection signal of the temperature sensor 12 and the detection signal of the door open detecting means 14 are processed to store the ozone generator 4, the warm air supply 6, and the exhaust fan 84 according to a pre-stored program. The control unit 16 for controlling the operation of the) and the operation display unit 11 for displaying the operating state of the ozone generating unit 4 and the warm air supply unit 6 in accordance with the output of the control unit 16 is provided with Kitchenware sterilization dryer, characterized in that. The kitchen appliance sterilization dryer according to claim 1, wherein the ozone zone includes an exhaust fan (84) for exhausting air containing ozone filtered through an ozone filter to the outside. The method of claim 1, wherein the ozone filter 82 is a catalyst filter made of a fiber binder formed with a plurality of vents, the catalyst component comprises at least one of slaked lime, activated carbon, potassium carbonate, copper, manganese, titanium oxide Kitchenware sterilization dryer, characterized in that. The ozone generating unit (4) according to claim 1 or 2 generates ozone at a concentration of 25 ppm to 100 ppm in the inner storage space (22) of the holder body (2) for one operating time within 15 minutes. The ozone filter 82 filters the ozone in the storage space 22 and discharges it to the outside at a concentration of 0.06 ppm or less.