KR100780335B1 - Heating cooker - Google Patents

Abstract

A heating cooker is provided to protect a user from burning by quickly cooling high temperature water stored in a water tray. A heating cooker includes a cold air inlet port, a blower(90), a water tray(80), an air channel(100), and a cold air outlet port. The cold air inlet port is formed at a part of an outer case(10) arranged in the vicinity of an electrical component chamber. The blower is arranged in the electrical component chamber. The water tray stores condensed water flowing from a door or water drained from a steam supply unit(40). The air channel guides flow of air generated from the blower toward the water tray after passing through the electrical component chamber. The cold air outlet port is formed at a part of the outer case arranged in the vicinity of the water tray.

Description

Heating Cooker {HEATING COOKER}

1 is a front view showing a heating cooking apparatus according to the present invention.

Figure 2 is a perspective view showing the configuration of the heating cooking apparatus according to the present invention.

3 is a cross-sectional view showing the configuration of the heating cooking apparatus according to the present invention in the direction I-I in FIG.

Figure 4 is a cross-sectional view showing a drip tray installed between the inner case lower plate and the outer case in the heating cooking apparatus according to the present invention.

Figure 5 is a cross-sectional view showing an example in which a separate duct is installed as an air passage in the heating cooking apparatus according to the present invention.

      * Description of symbols on the main parts of the drawings *

      10: outer case 20: inner case

      30: door 40: steam supply device

      50: water supply device 70: convection device

      80: drip tray 90: blower

      100: air passage 101: upper passage

      102: side flow path 103: lower flow path

      110: duct

      The present invention relates to a heating cooking apparatus, and more particularly, to a heating cooking apparatus for supplying steam to the cooking chamber to cook food.

      Common heating cooking apparatuses used to cook foods include microwave ovens using high frequency, gas ovens and electric ovens that directly heat food using burners or heaters. Among them, microwave ovens have many limitations in the types of foods that can be cooked, as well as foods that dry after cooking, causing the taste to deteriorate. Gas ovens and electric ovens have relatively small heat transfer air. As a heat transfer medium between foods, there is a disadvantage that cooking time is long and efficiency is low.

      Recently, a heating cooker (hereinafter referred to as a 'steam oven') for supplying heat to food through steam has been developed as an alternative to supplement the above disadvantages of the conventional cooking cooker. Proper moisture can be maintained to prevent the taste from deteriorating and the steam filled in the cooking chamber acts as an effective heat transfer medium to shorten the cooking time.

      Steam ovens generally have a cooking chamber, a door for opening and closing the cooking chamber, a steam supply device for generating and supplying steam by heating the supplied water, and a temperature difference between inside and outside the cooking chamber during cooking using steam. It has a drip tray for collecting and storing condensate or drainage water from the steam supply after cooking.

      However, in the conventional steam oven, although the condensed water collected in the drip tray or the water drained from the steam supply device has a high temperature, there is no means for cooling the hot water. There is a risk of being burned.

      The present invention is to solve such a problem, it is an object of the present invention to provide a heating cooking apparatus capable of quickly cooling the water stored in the drip tray to prevent a safety accident due to high temperature water.

The heating cooking apparatus according to the present invention for achieving the above object is an outer case to form an exterior, an inner case which is located inside the outer case to form a cooking chamber, a door for opening and closing the cooking chamber, and the cooking chamber A heating cooking apparatus having a steam supply device for supplying steam, comprising: a blower mounted in a space between the outer case and the inner case; and storing condensate flowing from the door or water drained from the steam supply device And an air passage for guiding the flow of air generated by the blower to the drip tray.

The blower is installed at the upper portion of the cooking chamber, the drip tray is installed at the lower portion of the cooking chamber, the air passage is an upper passage formed by the upper surface of the inner case and the outer case, and the side of the inner case And a lateral flow path formed by the outer case, and a lower flow path formed between the lower surface of the inner case and the drip tray.

One end of the air flow path may be connected to the blower, and the other end may include a duct extending toward the drip tray.

In addition, the heating cooking apparatus according to the present invention is a heating cooking apparatus having an outer case for forming an appearance, and an inner case located inside the outer case to form a cooking chamber, the space between the inner case and the outer case And a drip tray installed on a flow path through which the flow of air by the blower is discharged to the outside of the outer case.

In addition, the heating cooking apparatus according to the present invention has a heating having an outer case forming an appearance, a cooking chamber formed inside the outer case, a door for opening and closing the cooking chamber, and a steam supply device for supplying steam to the cooking chamber. A cooking apparatus, comprising: a blower mounted in a space between an outer side of the cooking chamber and the outer case; and a drip tray for storing condensate flowing from the door or water drained from the steam supply device; and by the blower And a duct for guiding the generated air flow to the drip tray.

      Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail. 1 is a front view showing a heating cooking apparatus according to the present invention, Figure 2 is a perspective view showing the configuration of the heating cooking apparatus according to the present invention, Figure 3 is a heating cooking according to the present invention according to the I-I direction in FIG. It is sectional drawing which shows the structure of the apparatus. In FIG. 1, a door for opening and closing the cooking chamber is omitted.

      As shown in Figures 1 to 3, the heating cooking apparatus according to the present invention is provided in the outer case 10 and the outer case 10 having a predetermined space with the outer case 10 to form an appearance thereof An inner case 20 forming a cooking chamber 21 therein and a door 30 for opening and closing the front of the open cooking chamber 21 are provided.

      The inner case 20 defines the cooking chamber 21 therein through the upper plate 22, the lower plate 23, both side plates 24, and the rear plate 25, and the inner case 20 and the outside. Various parts constituting the device are built in the space between the cases 10.

      A steam supply device 40 for generating steam and supplying the cooking chamber 21 to the upper portion of the cooking chamber 21, that is, the space between the upper plate 22 of the inner case 20 and the outer case 10, and steam. A water supply device 50 for supplying water to the supply device 40, a magnetron 61 for supplying a high frequency to the cooking chamber 21, and a high voltage transformer 62 for applying a high voltage to the magnetron 61 are provided. Is installed.

      Outside the side of the cooking chamber 21 is installed a convection device 70 for heating and circulating the air or steam in the cooking chamber 21, the convection device 70 performs the same function as the convection device installed in a typical oven. However, in addition to this, when cooking using steam also serves to change the superheated steam by reheating the steam in the cooking chamber 21.

      The water supply device 50 includes a water tank case 51, a water tank 52 detachably installed in the water tank case 51, and a water supply pipe for supplying water from the water tank 52 to the steam supply device 40. 53 and a water feed pump 54 provided in the water supply pipe 53.

      The steam supply device 40 includes a steam container 41 for storing water supplied through the water supply device 50, and a steam heater 42 provided inside the steam container 41 for evaporating the stored water into steam. Has The steam heater 42 is composed of a planar heating element to heat the water over a large area to quickly generate steam.

       The steam supply pipe 43 is connected to the upper one side of the steam container 41 so that the steam generated in the steam container 41 is supplied to the cooking chamber 21 by its own pressure, and the steam supply pipe 43 is rear of the cooking chamber 21. It communicates with the cooking chamber 21 through the steam supply port 21a (see FIG. 1) formed in the chamber. In addition, the lower side of the steam container 41 is connected to the drain pipe 81 for draining the water remaining in the steam container 41. The drain pipe 81 extends to the drip tray 80 to be described later to collect the water drained from the steam container 41 in the drip tray 80.

      The convection device 70 includes a heater case 71 installed outside both side plates 24 of the inner case 20, and a circulation fan 72 installed inside the heater case 71 for internal circulation of air or steam. And a convection heater 73 which is installed at the outer circumference of the circulation fan 72 and heats air or steam circulated. The circulation fan 72 is a centrifugal fan having a plurality of blades, and sucks air or steam inside the cooking chamber 21 at the suction side of the central portion thereof to discharge radially. The discharged air or steam is a convection heater ( Heated through 73).

      Both side plates 24 of the inner case 20 are provided with a plurality of inlets 24a and outlets 24b for the circulation of the steam inside the cooking chamber. The inlet hole 24a is formed near the center of the side plate 24, that is, at the portion corresponding to the suction side of the circulation fan 72, and the outlet hole 24b is formed at the edge of the side plate 24. .

      2 and 3, a blower 90 for cooling various electric components including a magnetron 61 and a high-pressure transformer 62 mounted on the upper side of the cooking chamber 21 on the side of the water tank 52. Is installed. The blower 90 drives a fan casing 92 having a discharge port 91 formed to face electrical components, a cooling fan 93 mounted inside the fan casing 92, and a cooling fan 93. It comprises a fan motor 94 to make. Meanwhile, a cold air inlet 11 is formed at a rear side of the outer case 10 so that outside air may flow into the suction side of the cooling fan 93.

      Figure 4 is a plan sectional view showing the drip tray installed between the inner case lower plate and the outer case in the heating cooking apparatus according to the present invention.

      As shown in FIGS. 3 and 4, the bottom of the cooking chamber 21, that is, the space between the lower plate 23 and the outer case 10 of the inner case 20 and the outer case 10, may be used as a door 30 when cooking using steam. After the condensate flowing down from the back of the cooking or cooking, the drip tray 80 for collecting and storing the remaining water in the steam container 41 is installed. In particular, between the blower 90 and the drip tray 80 in the present invention guides the air flow generated by the blower 90 toward the drip tray 80 to allow the cold to cool the water stored in the drip tray 80. The flow path 100 is provided.

      The air flow path 100 may be implemented in various forms, but FIG. 3 and FIG. 4 show an example in which the space itself formed between the outer case 10 and the inner case 20 functions as a flow path. That is, the wind discharged from the blower device 90 is formed between the upper flow path 101 defined between the inner case top plate 22 and the outer case 10, and between the inner case side plate 24 and the outer case 10. After passing through the defined side flow path 102 in turn into the lower flow path 103 defined between the inner case lower plate 23 and the drip tray 80, the drip tray 80 is installed on the lower flow path 103 Therefore, the hot water in the drip tray 80 may be cooled by the cooling fan 93.

      As such, the air cooled by the drip tray 80 is discharged to the outside, and for this purpose, a cold air outlet 12 (see FIG. 1) is formed at the lower front of the outer case.

      Hereinafter, the operation of the heating cooking apparatus related to the gist of the present invention will be described with reference to FIGS. 3 and 4. When the heating cooking apparatus is operated to cook food using steam, the water supply pump 54 is operated so that the water in the water tank 52 is supplied to the steam container 41 through the water supply pipe 53. The water supplied to the steam container 41 is vaporized by the steam heater 42 to be steam, and the steam is supplied into the cooking chamber 21 through the steam supply pipe 43 to cook food.

      During such cooking, condensed water is generated on the rear surface of the door 30 due to a temperature difference with the outside air and flows down. The condensed water is collected and stored in the drip tray 80 disposed under the inner case 20. . In addition, after the cooking is finished, the hot water remaining in the steam container 41 is drained and stored in the drip tray 80 through the drain pipe 81.

      The high temperature water stored in the drip tray 80 is rapidly cooled by the wind generated by the blower 90. That is, as shown in FIGS. 3 and 4, the air flow generated by the cooling fan 93 passes through the upper flow path 101 and cools various electric components such as the magnetron 61 and the high pressure transformer 62. The flow path 102 flows into the lower flow path 103 where the drip tray 80 is installed, and the air flow introduced into the lower flow passage 103 is stored in the drip tray 80 while passing through the upper side of the drip tray 80. To cool the hot water. The air flow past the drip tray 80 is finally discharged into the external space through the cold air outlet 12 formed in the front of the outer case (10).

      5 is a cross-sectional view showing an example in which a separate duct is installed as an air passage in the heating cooking apparatus according to the present invention. As shown in FIG. 5, the heating cooking apparatus according to the present embodiment has a duct 110, one end of which communicates with the fan casing 92 of the blower, and the other end thereof extends downwardly toward the drip tray 80. As such, if a separate duct 110 is provided between the blower 90 and the drip tray 80, the flow of air by the cooling fan 93 is directly supplied to the drip tray 80 through the duct 110. There is an advantage that can effectively cool the water stored in the drip tray (80).

      As described above, the present invention has an effect that can quickly cool the hot water stored in the drip tray by having a flow path structure for guiding the flow of air by the blower to the drip tray. Therefore, it is possible to prevent the user from being burned by the hot water in the drip tray.

Claims (5)

An outer case forming an exterior, an inner case positioned inside the outer case to form a cooking compartment, a door for opening and closing the cooking compartment, an electrical equipment chamber in which various components are installed, and formed at one side of the electrical equipment chamber, In the heating cooking apparatus having a steam supply device for supplying steam to the cooking chamber, A cold air inlet formed to allow outside air to flow into the outer case adjacent to the battlefield chamber, and a blower mounted to the battlefield chamber; and a drip tray for storing condensate flowing from the door or water drained from the steam supply unit; And an air flow path provided to allow the flow of air generated by the blower to move through the battlefield chamber to the drip tray; and a cold air outlet formed to allow air to flow out of the outer case adjacent to the drip tray. Heating cooker characterized in that. The method of claim 1, The electric compartment is installed in the upper part of the cooking chamber, the drip tray is installed in the lower part of the cooking chamber, The air flow path is formed between an upper flow path formed by the upper surface of the inner case and the outer case, a side flow path formed by the side of the inner case and the outer case, and is formed between the lower surface of the inner case and the drip tray. Heating cooking apparatus comprising a lower flow path. The method of claim 2, The air flow path cooking apparatus, characterized in that one end is connected to the blower, the other end is a duct extending toward the drip tray. In the heating cooking apparatus having an outer case for forming an exterior, an inner case which is located inside the outer case to form a cooking chamber, and an electrical equipment chamber in which various components are installed, And a blower mounted on the electric equipment compartment; and a drip tray installed on a flow path through which the flow of air is discharged to the outside of the outer case through the electric equipment compartment. Heating cooking having an outer case forming an outer appearance, a cooking chamber formed inside the outer case, a door for opening and closing the cooking chamber, an electrical equipment room where various components are installed, and a steam supply device for supplying steam to the cooking chamber. In the apparatus, A blower mounted to the electric compartment; and a drip tray for storing condensate flowing from the door or water drained from the steam supply device; and a flow of air generated by the blower through the electric chamber to the drip tray. Heating duct comprising a; duct for guiding movement.

Images