KR101266705B1 - steam convection oven to Self-cleaning system - Google Patents

Abstract

An operation part 12a having a door 11a and a control means for controlling the driving of the sensor and the pump P is installed in the front of the body, and the cooking chamber 11 is formed inside the door, and the electric part 12 is disposed at the side. A main body 10 provided;
A steam generator (20) installed in the electric equipment unit (12) to inject high temperature steam through a steam injection hole inside the cooking chamber (11);
A convection fan device (30) installed at one side of the cooking chamber (11) to provide a convection fan (31) and a heater (32) to induce and circulate a heat source into the cooking chamber (11);
A direct pipe 40 for supplying direct water to the steam generator 20 and the convection fan device 30;
A discharge pipe line 41 discharging water vapor in the steam generator 20 and the cooking chamber 11 to the outside;
Is installed in the electrical equipment section 12 of the main body 10, one end of the body connected to the water pipe 40 and the detergent and rinse supply pipe 45, 46, the discharge portion 92 formed at the bottom of the other end is It is connected to the cleaning pipe path 42 installed in the upper portion of the cooking chamber 11, it is composed of a cleaning water storage tank 60 for cleaning by spraying the washing water into the cooking chamber 11 by the pump (P) drive,
The soaking step (S100) by steam heating into the cooking chamber (11), the washing step of spraying the washing water of the cleaning water storage tank 70 (S200), the detergent step (S300) of spraying a mixture of washing water and detergent, washing water Rinsing step of spraying (S500), the rinsing step (S400) for mixing and spraying the washing water and rinsing, driving the convection pan device 30 to achieve the drying step (S600) to dry the interior of the cooking chamber (11).

Description

Steam convection oven to Self-cleaning system

The present invention relates to an automatic washing system of a steam convection oven, and more particularly, to automatically clean the spray chamber by selecting or sequentially spraying washing water, detergent water, or rinse in the cooking chamber of the convection oven, thereby increasing user convenience. It is.

In general, the steam convection oven is provided as a so-called combination oven having a function of spraying steam into the cooking chamber by using high temperature steam, and controlling humidity by the amount of steam, to prevent food drying and a large amount of multi-stage cooking. In addition to the ability to block the evaporation of taste and aroma has a multi-function oven configuration that maintains the taste and aroma of the dish.

As such, the convection oven has a steam generator that generates steam largely and is assembled outside of the cooking chamber, and the steam generator supplies water into the tank through a straight pipe and heats the water in the tank to produce steam. It is generated to be supplied to the cooking chamber through the steam discharge pipe communicating with the cooking chamber to cook the food.

In addition, a separate heater and a convection fan device are installed in the cooking chamber of the steam convection oven to further heat the steam supplied from the steam generating device, or to inject water from a straight pipe into the heater to supply steam generated into the oven. The interior of the cooking chamber was forced to circulate under optimal humidity.

At this time, the cooking chamber inside the oven is provided with a blower guide plate for dividing the space for cooking food and the space in which the convection pan device is located, thereby preventing contamination of the food waste cooked in the cooking chamber.

And, on the other side of the steam convection oven where the steam generator is located is installed electrical components such as a water tank, a heater, a power supply, a substrate, and constitutes an electrical component is installed on the outer surface to control the temperature and humidity in the cooking chamber. .

However, the conventional steam convection oven requires a lot of time and effort to clean the inside of the cooking chamber after cooking food, which has caused a lot of difficulties for the user.

In particular, as food waste cooked at a high temperature inside the cooking chamber is fixed to the wall of the cooking chamber, the worker directly washes the detergent inside the hot cooking chamber and cleans it with a shower hose to remove the contaminants after the cooking is completed. And the risk of burns being increased.

Therefore, in order to solve the above problems, a method of automatically spraying the washing water inside the cooking chamber has been proposed, but the detergent cleaning process is required along with the problem that the fixing matter is not washed out in the washing water.

In addition, the washing water cleaning the inside of the cooking chamber in the above configuration is immediately discharged to the outside along the drain pipe, the washing water is used in large quantities for the cleaning operation, there was a closed end that the economic efficiency is lowered due to the cost increase.

The present invention has been made in view of such a conventional problem, the object of the steam to improve the convenience of cleaning by sequentially and automatically spraying the washing water, detergent water, rinse, etc. to the inside of the high-temperature cooking chamber completed cooking An automatic cleaning system for a convection oven is provided.

Another object of the present invention is to provide an automatic cleaning system for a steam convection oven that can improve the reliability of the product by minimizing residual detergent and rinse in the cooking chamber according to the automatic cleaning operation. have.

Still another object of the present invention is to automatically clean the cooking chamber even with a small amount of water by circulating the cleaning water while improving the safety by preventing the operator from contacting detergents and rinses, etc. To provide.

In order to achieve the above object,

An operation part 12a having a door 11a and a control means for controlling the driving of the sensor and the pump P is installed in the front of the body, and the cooking chamber 11 is formed inside the door, and the electric part 12 is disposed at the side. A main body 10 provided;

A steam generator (20) installed in the electric equipment unit (12) to inject high temperature steam through a steam injection hole inside the cooking chamber (11);

A convection fan device (30) installed at one side of the cooking chamber (11) to provide a convection fan (31) and a heater (32) to induce and circulate a heat source into the cooking chamber (11);

A direct pipe 40 for supplying direct water to the steam generator 20 and the convection fan device 30;

A discharge pipe line 41 discharging water vapor in the steam generator 20 and the cooking chamber 11 to the outside;

Is installed in the electrical equipment section 12 of the main body 10, one end of the body connected to the water pipe 40 and the detergent and rinse supply pipe 45, 46, the discharge portion 92 formed at the bottom of the other end is It is connected to the cleaning pipe path 42 installed in the upper portion of the cooking chamber 11, it is composed of a cleaning water storage tank 60 for cleaning by spraying the washing water into the cooking chamber 11 by the pump (P) drive,

The soaking step (S100) by steam heating into the cooking chamber 11, the washing step of spraying the washing water of the cleaning water storage tank 70 (S200), the rinsing step of spraying the washing water (S500), by mixing the washing water and detergent A detergent step of spraying (S300), a rinsing step (S400) of spraying a mixture of washing water and rinse, driving the convection pan apparatus 30 to achieve by operating in a drying step (S600) to dry the interior of the cooking chamber (11).

The cleaning water storage tank 60 includes a storage case 70 in which an upper cover 72 is welded and fixed to the lower body 71 having a space in the body;

A mixing chamber connected to the water line 40 and the detergent and rinse supply pipe 45 and 46 to one side of the inner space of the storage case 70, and selecting and mixing the cooling water, the detergent, and the rinse supplied through the pipe ( 80);

The other side of the storage case 70 is partitioned into the mixing chamber 80 and the partition wall 91 accommodates the water supplied to the mixing chamber 80 overflows along the upper portion of the partition wall 91, cooking chamber 11 A storage compartment 90 connected to the drain port 11b and the discharge pipe line 41 of;

It is formed on one side of the mixing chamber 80 and the storage chamber 90, and consists of overflow pipes 81 and 93 for draining the excessively supplied water.

In addition, the valve (V) and the detergent and rinse supply pump (P) of the direct water pipe (40) connected to the cleaning water storage tank (60) are intermittently controlled by the signal of the operation unit (12a) having a control means, the convection fan device 30 is provided with a heat sensor 33 for detecting the internal temperature, and transmits an electrical signal to the control means to control the internal temperature of the cooking chamber 11 to 60 ℃ or more.

Then, the soaking step (S100), washing step (S200), detergent step (S300), rinsing step (S500), rinsing step (S400), drying step (S600) are sequentially operated in sequence or individually operated by parts. Can be.

According to the present invention having such a structure, the user's convenience by automatically washing the inside of the high-temperature cooking chamber in which food is cooked using steam or hot air selected or combined with washing water, detergent water, rinse, etc. supplied from the cleaning water storage tank. Will be improved.

 In addition, it is possible to perform partial cleaning of the convection pan apparatus together with the inside of the cooking chamber of the steam convection oven, thereby improving the cleanliness and reliability of the product and performing the cleaning operation without being affected by the water pressure, thereby enhancing competitiveness.

In addition, it is a very useful invention that can perform the cleaning operations such as washing water, detergent water, rinse or the like by using the cleaning water storage tank.

1 is a perspective view of a steam convection oven.
Figure 2 is a schematic internal view of the steam convection oven to which the present invention is applied.
Figure 3 is a flow chart showing the automatic washing system of the present invention steam convection oven.
Figure 4 is a cross-sectional view showing the internal flow of the present inventors cleaning water storage tank.
Figure 5 is a cross-sectional view showing a discharge state through the storage chamber overflow pipe of the inventors cleaning water storage tank.
Figure 6 is a cross-sectional view showing a discharge state through the mixing chamber overflow pipe of the inventors cleaning water storage tank.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Steam convection oven having a fresh water storage tank of the present invention, the cleaning water, detergent water, rinse, etc. supplied to the cleaning water storage tank to clean the interior of the cooking chamber by injecting or sequentially cleaning to increase the user's convenience will be.

In the steam convection oven 100, as shown in FIGS. 1 to 3, a cooking chamber 11 is fed into the main body 10 and cooked by steam, and steam is supplied to the cooking chamber 11. The steam generator 20, the convection fan device 30 for circulating while further heating or adjusting the humidity of the inside of the cooking chamber 11, and the cleaning chamber 11 and the convection pan device 30 for cleaning Can be divided into the cleaning water storage tank 60 for supplying water.

In addition, the cooking chamber 11 of the main body 10 is distinguished from the convection pan device 30 by the blower guide plate 13 on the side, and the blower guide plate 13 is the food waste cooked in the cooking chamber. Will prevent the convection fan apparatus 30 from contaminating.

In addition, the valve (V) and the pump (P) to be described later are operated in accordance with the signal of the control means connected to the operation unit 12a, the receiving valve used for the valve is opened and closed in accordance with the signal, which is commonly used Since it is a product that will not be described in detail.

First, the operation for cleaning the cooking chamber 11 of the steam convection oven 100 will be described briefly. First, when the automatic cleaning function is started according to the signal of the operation unit 12a, the convection unit and the steam generator 20 are started. The temperature inside the cooking chamber 11 is increased through the fan device 30 so that the fixing matter and the oil may be easily dropped.

At this time, the convection fan device 30 is provided with a thermal sensor 33 for detecting the internal temperature, in the soaking step (S100) to transmit an electrical signal to the control means to control the internal temperature of the cooking chamber 11 to 60 ℃ or more. Make it known in advance.

And, the storage chamber 90 of the cleaning water storage tank 60 through the discharge pipe 41 for discharging the heat generated in the steam chamber 21 through the drain valve (V) to discharge the heat generated in the cooking chamber (11). ) Is discharged to the outside through the drain pipe 44 by operating the circulation valve (V) provided in the discharge portion (92).

Thereafter, water is supplied to the empty steam tank 21 of the steam generator 20 through the water line 40 and is filled, and the water level detection sensor 22 installed at one side of the tank checks the water level. do.

In this process, the steam convection oven 100 is a pre-automatic to prevent the pump load and failure due to idle rotation of the circulation pump (P) in the state that the washing water supply to the cleaning water storage tank 60 is not made due to the single stage It is an important safety device in preparation for cleaning.

At this time, the water level detection sensor 22 is installed in the steam tank 21 to control the driving of the circulation pump P according to the water level, the foreign matter inside the cooking chamber 11 is the bottom drain 11b. In the state introduced into the storage compartment 90 of the cleaning water storage tank 60 is due to the difficulty in accurately confirming the water level in the storage compartment 90.

Therefore, if the problem according to the number of stages is not confirmed through the above process, it is supplied to the mixing chamber 80 of the cleaning water storage tank 60 connected to the water pipe 40, the supply of more than the volume of the mixing chamber 80 When the bulkhead 91 overflows, the storage chamber 90 is accommodated by the height of the partition wall 91.

At this time, the water contained in the storage chamber 90 may be used as the washing water according to the cooling and automatic cleaning to cool the heat of the cooking chamber 11 and the convection pan device 30 after the completion of cooking.

And, the number of direct water supplied to the storage compartment 90 is different depending on the product installation place, but at low pressure it is easy to increase the capacity of the wash water in the storage compartment 90 by the height of the partition wall 91, but at high pressure partition ( Since it is difficult to accurately match the flow rate to the water level of 91), when the fresh water volume or more is exceeded, the washing water of the storage compartment 90 that is oversupplied through the storage compartment overflow tube 93 is naturally discharged to the drain pipe 44.

At this time, the storage chamber overflow pipe 93 is connected to the drain pipe 44 discharged to the outside through the discharge unit 92 of the storage chamber 90 to be naturally discharged, and the circulation pump by the circulation valve (V) Block inflow to (P).

As such, when the washing water for cleaning is stored in the cleaning water storage tank 60, the circulating pump P is operated through a system signal, and a part of the washing water is used as the cooking chamber 11 which is cooked by hot air. Is sprayed through to start the internal cleaning, the other part is sprayed through the cleaning nozzle 42a of the convection fan device 30 is operated in the cleaning step (S200) is the internal cleaning is made.

The cleaning nozzle 42a is installed in the cooking chamber 11 in the form of a rotary nozzle, and the convection fan device 30 is mounted in the form of a fixed nozzle to operate the convection fan 31 through the operation of the convection fan 31 when spraying the washing water. Cleaning is made while spraying 30 and the inside evenly.

Then, the washing water stored in the cleaning water storage tank 60 through the direct water pipe 40 performs cooling and cleaning operations at the same time as the cooking chamber 11 and the convection pan device 30, and then the washing water is at the bottom of the cooking chamber 11. Into the storage chamber 90 of the cleaning water storage tank 60 again through the drain port (11b) provided in, to be forced to the outside or stored in the storage chamber 11 in accordance with the operation of the circulation valve (V).

As described above, in the detergent step (S300) similar to the washing step (S200), the basic operating configuration is the same, but detergent liquid using the detergent supply pipe 45 and the detergent pump (P) installed in the mixing chamber 80 installed It is important to make this additional supply.

That is, direct water supplied to the mixing chamber 80 of the cleaning water storage tank 60 through the direct water line 40 and the detergent liquid supplied through the detergent supply pipe 45 are mixed with each other, and the detergent water is stored in the storage chamber ( 90) after being introduced into the cleaning chamber (P) through the circulating pump (P) in part to the cooking chamber 11, the other part is sprayed to the cleaning nozzle (42a) of the convection pan device 30 to clean the detergent To be done.

In addition, in the rinse step (S400), as in the detergent step (S300), the rinse liquid may be additionally supplied using the rinse supply pipe 46 and the rinse pump (P) installed separately in the mixing chamber 80. It is important.

Then, after the detergent step (S300) to go through the rinsing step (S500) for spraying the washing water in the same manner as the washing step (S200).

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In the rinsing step (S500), the convection pan device 30 is operated in the cooking chamber 11 so that the internal temperature is 60 ° C. or more by the convection pan device 30, and the internal temperature of the cooking chamber 11 is It turns out that the detection by the heat sensor 33 provided in the convection fan device (30).

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Then, after the rinsing step (S500) is a rinse step (S400).
This rinse step (S400), by using a rinse pump (P) to supply the rinse liquid through the rinse supply pipe 46 to the mixing chamber 80, the basic operation configuration is the same as the detergent cleaning method so that detailed description It will be omitted.
After the rinse step (S400), the inside of the cooking chamber 11 is dried using the convection pan device 30 to prevent contamination of the inside of the cooking chamber due to moisture, thereby ensuring hygiene safety.

That is, the soaking step (S100), the washing step (S200), the detergent step (S300), the rinsing step (S500), the rinse step (S400), etc. are all sprayed for cleaning water, so that the food is in the cooking chamber 11. In a state in which the cooking chamber 11 is cooked with moisture, microorganisms are generated and hygiene is deteriorated. In order to prevent this, a drying step S600 is required to dry the interior using the convection pan device 30.

The present invention, the so-called step (S100), washing step (S200), detergent step (S300), rinsing step (S500), rinsing step (S400), drying step (S600) in order to operate sequentially As a basic configuration, it should be noted that the embodiments may be individually operated, such as the soaking step (S100) and the washing step (S200), or soaking, washing, detergent, rinsing step.
In addition, the rinsing step (S500) and the rinsing step (S400), even if the operation is changed in the order of each other it turns out that the operation effect obtained by the present invention is the same.

Referring to the cleaning water storage tank 60 in more detail in the above operating configuration, the upper cover 72 is welded fixed to the lower body 71 having a space in the body as shown in Figure 4 to 6 integrally stored The inner space of the case 70 is formed by being divided into the mixing chamber 80 and the storage chamber 90 by using the partition wall 91.

The mixing chamber 80 is connected to the water line 40 and the detergent and rinse supply pipe 45 and 46 to one side of the inner space of the storage case 70, and supplies the cooling water, the detergent, and the rinse that are supplied through the pipe. Choose and mix.

That is, the mixing chamber 80 drives or simultaneously drives the valve V and the detergent and the rinse supply pump P of each water line 40 according to a signal from the control unit connected to the operation unit 12a. And detergent or wash water and rinse.

In addition, the storage chamber 90 is divided into the mixing chamber 80 and the partition wall 91 on the other side of the storage case 70 along the upper portion of the partition wall 91 to be supplied to the mixing chamber 80. It accommodates the overflow, it is formed to be connected to the drain port 11b and the discharge pipe (41) of the cooking chamber (11).

In addition, overflow pipes 81 and 93 are formed to respectively drain the water supplied excessively to one side of the mixing chamber 80 and the storage chamber 90 to improve the safety of the cleaning water storage tank 60. It was.

At this time, the installation positions of the overflow pipes 81 and 93 provided in the mixing chamber 80 and the storage chamber 90 have a state higher than the height of the partition wall 91, and the height of the partition wall 91 is high. When the water level of the storage compartment 90 becomes higher, it naturally drains along the storage compartment overflow pipe 93.

In addition, when the drain pipe 44 and the storage chamber overflow pipe 93 are blocked by foreign matter, the internal water is forced to drain along the mixing chamber overflow pipe 81 formed at a higher position, thereby providing a double safety structure. Have it.

And, the cleaning water storage tank 60, the heat and steam of the cooking chamber 11 and the convection pan device 30 is introduced through the cooking chamber drain 11b, a portion of steam is discharged through the discharge pipe 41, Since the high temperature water is accommodated in the storage chamber 90 and the internal temperature increases, it is preferable to connect the pipe so that the direct water is directly supplied to the storage chamber 90 through the direct water pipe 40 to cool the temperature.

That is, by installing a sensor for detecting the internal temperature in the cleaning water storage tank (60), the internal temperature rise according to the inflow of hot water by using the cold direct water supplied through the direct water pipe (40) directly connected to the storage chamber (90) It was cooled.

Accordingly, while improving the safety of the cleaning water storage tank 60, the interior of the cooking chamber 11 and the convection pan device 30 of the steam convection oven 100 is automatically cleaned with washing, detergent, rinse, and the like. The convenience of work can be improved.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. It will be clear to those who have.

10-Main Unit 11-Cooking Room
20-Steam Generator 30-Convection Fan
40-Direct Pipe Line 41-Discharge Pipe Line
42-Cleaning pipeline 60-Cleaning water storage tank
80-Mixing Room 90-Storage Room
91-Bulkhead 100-Steam Convection Oven

Claims (7)

An operation part 12a having a door 11a and a control means for controlling the driving of the sensor and the pump P is installed in the front of the body, and the cooking chamber 11 is formed inside the door, and the electric part 12 is disposed at the side. A main body 10 provided;
A steam generator (20) installed in the electric equipment unit (12) to inject high temperature steam through a steam injection hole inside the cooking chamber (11);
A convection fan device (30) installed at one side of the cooking chamber (11) to provide a convection fan (31) and a heater (32) to induce and circulate a heat source into the cooking chamber (11);
A direct pipe 40 for supplying direct water to the steam generator 20 and the convection fan device 30;
A discharge pipe line 41 discharging water vapor in the steam generator 20 and the cooking chamber 11 to the outside;
Is installed in the electrical equipment section 12 of the main body 10, one end of the body connected to the water pipe 40 and the detergent and rinse supply pipe 45, 46, the discharge portion 92 formed at the bottom of the other end is It is connected to the cleaning pipe path 42 installed in the upper portion of the cooking chamber 11, it is composed of a cleaning water storage tank 60 for cleaning by spraying the washing water into the cooking chamber 11 by the pump (P) drive,
The soaking step (S100) by steam heating into the cooking chamber 11, the washing step of spraying the washing water of the cleaning water storage tank 70 (S200), the rinsing step of spraying the washing water (S500), by mixing the washing water and detergent Detergent step (S300) for spraying, rinsing step (S400) for mixing and spraying the washing water and rinse, driving the convection pan device 30 to operate the drying step (S600) to dry the interior of the cooking chamber (11) Automatic washing system of steam convection oven.
The method of claim 1, wherein the cleaning water storage tank 60, the upper case 72 is welded and fixed to the lower body 71 having a space portion inside the body and the integrated storage case 70;
A mixing chamber connected to the water line 40 and the detergent and rinse supply pipe 45 and 46 to one side of the inner space of the storage case 70, and selecting and mixing the cooling water, the detergent, and the rinse supplied through the pipe ( 80);
The other side of the storage case 70 is partitioned into the mixing chamber 80 and the partition wall 91 accommodates the water supplied to the mixing chamber 80 overflows along the upper portion of the partition wall 91, cooking chamber 11 A storage compartment 90 connected to the drain port 11b and the discharge pipe line 41 of;
It is formed on one side of the mixing chamber (80) and the storage chamber (90), the automatic washing system of the steam convection oven, characterized in that composed of overflow pipes (81), (93) for draining the over-supplied water.
The valve (V) and the detergent and the rinse supply pump (P) of the water line (40) connected to the cleaning water storage tank (60) have a control unit (12a) according to claim 1 or 2. Automatic washing system of the steam convection oven, characterized in that interrupted by the signal of.
The method of claim 1, wherein the convection fan device 30 is provided with a heat sensor 33 for sensing the internal temperature, and transmits an electrical signal to the control means to control the internal temperature of the cooking chamber 11 to 60 ℃ or more. Automatic washing system of steam convection oven.
The automatic cleaning system of the steam convection oven according to claim 1, wherein the cleaning pipe path (42) is branched into the cooking chamber (11) and the convection pan device (30) so as to spray and clean the cleaning water.
The steam convection oven according to claim 2, wherein a circulation valve (V) for guiding the external discharge of the stored water and the cleaning pipe (42) is interrupted by a control means in the discharge part (92) of the storage chamber (90). Automatic cleaning system.
The method according to claim 1, wherein the soaking step (S100), washing step (S200), detergent step (S300), rinsing step (S500), rinsing step (S400), drying step (S600) are sequentially operated or partially Automatic washing system of steam convection oven, characterized by separate operation.

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