KR100707349B1 - A heating cooker - Google Patents

Abstract

The present invention relates to a heating cooking apparatus for forcibly discharging hot heat or steam in the cooking chamber to the outside of the housing when the door is suddenly opened during or after cooking. To this end, the heating cooking apparatus of the present invention includes a door sensor for detecting whether the door is opened and an exhaust system for forcibly evacuating hot air or steam when the door is opened. The exhaust system includes an exhaust fan, a cooking chamber exhaust port, a housing exhaust port, and a leak prevention device to operate the exhaust fan when a signal is transmitted through the door sensor and the control unit, and open the closed leak prevention device to remove heat or steam in the cooking chamber. Exhaust out of the housing. Meanwhile, the exhaust system may further include a temperature sensor capable of sensing a temperature inside the cooking chamber. Accordingly, the present invention has the effect of preventing the user from being burned by hot heat or steam flowing out from the open cooking chamber at once.

Description

Heating Cooker {A HEATING COOKER}

      1 is a front view showing the appearance of the 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 cross-sectional view showing the configuration of the heating cooking apparatus according to the II 'direction in FIG.

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

      1 housing 2 door sensor

      10: cooking chamber 20: door

      30: control unit 40: saturated steam supply device

      50: superheated steam supply device 60: water supply device

      71: exhaust fan 72: cooking chamber exhaust port

      73 housing exhaust port 74 exhaust pipe

      75: exhaust valve 76: temperature sensor

      The present invention relates to a heating cooking apparatus, and more particularly, to a heating cooking apparatus having an exhaust system for discharging hot heat or steam in the cooking chamber to the outside when the door is suddenly opened during cooking or after the end of cooking.

      The heating cooking apparatus used to cook food includes a gas oven and an electric oven that directly heat food using a microwave oven and a heater using high frequency. In recent years, the heating cooker to cook food by supplying steam as an alternative to compensate for the shortcomings of the microwave oven, the food is dried after cooking, and the taste is degraded, and the disadvantages of the gas oven and electric oven, which has a long cooking time and low cooking efficiency. ("Steam Oven") is being developed. By using such a steam oven it is possible to prevent the deterioration of taste by maintaining proper moisture in the food and to reduce the cooking time by acting as an effective heat transfer medium of the steam filled in the cooking chamber.

      However, since the microwave oven of the heating cooking apparatus heats food using high frequency, the temperature inside the cooking chamber does not increase significantly during or after cooking, but in the case of gas oven, electric oven and steam oven, Since the food is heated by raising the temperature to a high temperature, the temperature inside the cooking chamber becomes very high during or after cooking.

      Therefore, if the user suddenly opens the door during the cooking or after the inside of the cooking chamber is not evacuated from the heat or steam, there is a risk that hot air or steam is discharged all at once and burns the user. In particular, in the case of steam oven, such a risk is even greater in consideration of the fact that the temperature inside the cooking chamber rises to 300 ° C. and the internal pressure is increased due to the full steam.

      The present invention is to solve such a problem, the object of the present invention is

When the door is opened when the inside of the cooking chamber is in a high temperature state, it is to provide a heating cooking apparatus capable of preventing hot air or steam from flowing out of the open cooking chamber at once.

The heating cooking apparatus according to the present invention for achieving the above object includes a housing including a cooking chamber with a front open; and a door for opening and closing the cooking chamber; and a door sensor for detecting whether the door is opened; And an exhaust system for forcibly exhausting hot heat or steam inside the cooking chamber to the outside of the housing when the door sensor is detected by the door sensor. The exhaust system is installed outside the cooking chamber. At least one exhaust fan, and a temperature sensor installed to sense a temperature inside the cooking chamber, wherein the exhaust fan stops the exhaust operation when the internal temperature of the cooking chamber detected by the temperature sensor is lower than a predetermined reference temperature. Characterized in that.
In addition, the heating cooking apparatus according to the present invention comprises: a housing including a cooking chamber having an open front; and a door for opening and closing the cooking chamber; and a door sensor for detecting whether the door is opened; And an exhaust system for forcibly discharging hot heat or steam inside the cooking chamber to the outside of the housing when the door sensor is detected by the door sensor. At least one cooking chamber exhaust port formed on one side of the cooking chamber to discharge heat or steam to the outside of the cooking chamber, and one of the housing to discharge hot heat or steam discharged to the outside of the cooking chamber to the outside of the housing; And a housing exhaust port formed on the side surface and a leakage preventing device provided between the cooking chamber exhaust port and the housing exhaust port to prevent leakage of hot heat or steam inside the cooking chamber during cooking.
Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail. 1 is a front view showing the appearance of the 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 line II 'in Figure 2 It is sectional drawing which shows the structure of the apparatus.

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      As shown in Figure 1 and 2, the heating cooking apparatus according to the present invention is a housing (1) to form an appearance, the cooking chamber provided inside the housing (1) with a predetermined space with the housing and the front is open ( 10), a door 20 for opening and closing the front of the open cooking chamber 10, and a control unit 30 provided outside the cooking chamber 10 to control the operation of the apparatus.

      The cooking chamber 10 is a constant cooking space defined by the top plate 11, the bottom plate 12, both side plates 13, and the back plate 14, and is provided between the outside of the cooking chamber 10 and the housing 1. In the space, various components constituting the heating cooker are incorporated. On one side of the front surface (1a) of the housing (1) is installed a door sensor (2) capable of detecting the opening of the door 20, the door sensor (2), if the open state of the door 20 is detected, the control unit Send a signal to (30) to allow the exhaust system to be described below.

      In addition, the heating cooking apparatus according to the present invention includes a heat supply unit installed outside the cooking chamber 10 to supply heat into the cooking chamber 10. The heat supply unit may be a hot air supply device including a fan and a heater or a steam supply device including a steam generator, or may be provided with a hot air supply device and a steam supply device together. In this embodiment, the case where the steam supply device, that is, the saturated steam supply device 40 and the superheated steam supply device 50 are provided as the heat supply unit.

      Saturated steam supply device 40 is installed in the space between the cooking chamber top plate 11 and the housing 1 to heat the water supplied from the water supply device 60 to evaporate. To this end, the saturated steam supply device 40 includes a steam container 41 for storing water supplied from the water supply device 60 and a steam heater (not shown) installed in the steam container 41 to evaporate the stored water into steam. ). Here, the water supply device 60 includes a water tank case 61 fixed to the cooking chamber top plate 11 and a water tank 62 detachably mounted to the water tank case 61, and a water supply valve 64 is installed. It is connected to the saturated steam supply device 40 through the water supply pipe 63.

      In addition, the saturated steam supply device 40 is connected to the superheated steam supply device 50 installed in both side plates 13 of the cooking chamber by the steam pipe 43. The superheated steam supply device 50 further converts the steam supplied from the saturated steam supply device 40 into a superheated steam and supplies the same into the cooking chamber 10.

      As shown in FIG. 3, the superheated steam supply device 50 includes a heater case 51 installed outside both side plates 13 of the cooking chambers and a circulation fan installed inside the heater case 51 for circulation of steam. 52 and the superheated steam heater 53 provided on the outer periphery of the circulation fan 52. The circulation fan 52 is a centrifugal fan having a plurality of blades and sucks steam from the suction side of the central portion thereof and discharges it in a radial direction. The steam pipe 43 is a position corresponding to the suction side of the circulation fan 52. In communication with the heater case 51, the steam introduced into the heater case 51 through the steam pipe 43 is discharged radially by the circulation fan 52 and heated by the superheated steam heater 53 After that, it is supplied into the cooking chamber 10.

      Meanwhile, a plurality of outlet holes 13a are formed at edges of both side plates 13 of the cooking chambers so as to supply steam into the cooking chambers 10, and near the center of the side plates 13, that is, the suction side of the circulation fan 52. And the corresponding portion is formed with a plurality of inlet holes (13b) for the circulation of the steam inside the cooking chamber. Therefore, the steam inside the cooking chamber, which transfers heat to food and has a temperature, is introduced into the heater case 51 through the inlet hole 13b and then reheated by the superheated steam heater 53 and then supplied to the cooking chamber 10 again. .

     As described above, in the heating cooking apparatus according to the present invention, the saturated steam supply device 40 changes the water supplied from the water supply device 60 into steam, and the superheated steam supply device 50 further changes the steam into superheated steam. The food is cooked by supplying it to the cooking chamber 10. In this cooking process, the temperature of the cooking chamber 10 rises to about 300 ° C. Therefore, if the user suddenly opens the door 20 during cooking or after the cooking is finished, high temperature heat or steam flows out to the user at once and burns the user. Can be coated.

      Therefore, the heating cooking apparatus according to the present invention, when the open state of the door 20 is sensed by the door sensor 2, the exhaust system for forcibly exhausting hot heat or steam inside the cooking chamber 10 to the outside of the housing 1 It is provided.

      1 and 2, the exhaust system of the heating cooking apparatus according to the present invention includes an exhaust fan 71, a cooking chamber exhaust port 72, a housing exhaust port 73 and a leakage preventing device.

      The exhaust fan 71 is installed in the exhaust fan case 71a and installed outside the upper surface of the cooking chamber top plate 11. The exhaust fan 71 is located close to the door 20 so that the heat or steam flowing out of the cooking chamber 10 can be efficiently introduced. It is preferable to install. One side surface of the exhaust fan case 71a is in communication with an exhaust pipe 74 provided to discharge the sucked heat or steam to the outside of the housing 1.

      In the cooking chamber top plate 11 corresponding to the position of the exhaust fan 71, a cooking chamber exhaust port 72 is formed to allow the exhaust fan 71 to suck in heat or steam in the cooking chamber 10. In the position where 74 meets the housing 1, a housing exhaust port 73 is formed for discharging the inhaled heat or steam out of the housing 1.

      In addition, the cooking chamber exhaust port 72, the exhaust pipe 74 or the housing exhaust port 73 is provided with a leakage preventing device for preventing the leakage of high temperature heat or steam to the outside during cooking. The leakage preventing device may be a damper (not shown) installed in the cooking chamber exhaust port 72 or the housing exhaust port 73 or an exhaust valve 75 provided on the exhaust pipe 74 so as to open and close the exhaust pipe 74.

      Meanwhile, the exhaust system may further include a temperature sensor 76 installed to detect the temperature of the cooking chamber 10. The temperature sensor 76 sends a signal to the control unit 30 when the temperature inside the cooking chamber 10 falls below a certain temperature to stop the operation of the exhaust fan 71 or to close the leakage preventing device to close the exhaust system. Stop it.

      In the above embodiment, one exhaust fan 71 is installed in the cooking chamber top plate 11 adjacent to the door 20, but in some cases, two or more exhaust fans may be installed, and an installation position of the exhaust fan may be provided. It can also vary. If the number and position of the exhaust fans are changed, the number and position of the cooking chamber exhaust port 72, the housing exhaust port 73 and the leakage preventing device should be changed accordingly.

      Referring to the operation of the heating cooking apparatus provided with such an exhaust system as follows. When the user opens the door 20 during cooking, the door sensor 2 detects this and sends a signal to the control unit 30. Then, the control unit 30 operates the exhaust fan 71 by opening the closed leakage preventing device so that the inside of the cooking chamber 10 and the outside of the housing 1 communicate with each other. When the exhaust fan 71 is operated, hot heat or steam is discharged out of the housing 1 through the cooking chamber exhaust port 72, the exhaust fan 71, the exhaust pipe 74, and the housing exhaust port 73. Therefore, since a small amount of heat or steam flows out in front of the cooking chamber 10 in which the user is located, the safety of the user may be secured. When heat or steam is discharged and the temperature of the cooking chamber 10 falls below a predetermined temperature, the temperature sensor 76 detects this and transmits a signal to the controller 30, and the controller 30 prevents leakage with the exhaust fan 71. Control the device to stop the exhaust operation.

      As described above, the heating cooking apparatus according to the present invention includes a door sensor and an exhaust system for discharging high temperature heat or steam in the cooking chamber to the outside of the housing when the user suddenly opens the door during or after cooking. There is an effect that can protect the user from the danger of.

Claims (7)

A housing including a cooking chamber having an open front; a door for opening and closing the cooking chamber; and a door sensor for detecting whether the door is open; And an exhaust system for forcibly evacuating hot heat or steam inside the cooking chamber to the outside of the housing when the door sensor is detected by the door sensor. The exhaust system includes at least one exhaust fan installed outside the cooking chamber, and a temperature sensor installed to detect a temperature inside the cooking chamber, The exhaust fan is a heating cooking apparatus, characterized in that for stopping the exhaust operation when the internal temperature of the cooking chamber detected by the temperature sensor is below a certain reference temperature. delete delete A housing including a cooking chamber having an open front; a door for opening and closing the cooking chamber; and a door sensor for detecting whether the door is open; And an exhaust system for forcibly evacuating hot heat or steam inside the cooking chamber to the outside of the housing when the door sensor is detected by the door sensor. The exhaust system includes at least one cooking chamber exhaust port formed at one side of the cooking chamber to discharge hot heat or steam inside the cooking chamber to the outside of the cooking chamber, and hot heat or steam discharged to the outside of the cooking chamber from the housing. A housing exhaust port formed on one side of the housing so as to be discharged to the outside, and a leakage preventing device installed between the cooking chamber exhaust port and the housing exhaust port to prevent leakage of hot heat or steam inside the cooking chamber during cooking; Heating cooking apparatus comprising a. delete delete delete

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