JP2007205688A5 - - Google Patents

Description

High frequency heating device

  The present invention relates to a safety measure against water leakage to the outside of a heating chamber of a high-frequency heating device having a function of performing heat treatment of an object to be heated by combining high-frequency heating and steam heating.

Conventionally, this type of high-frequency heating apparatus has been known as shown in FIGS. That is, water poured into the evaporating dish 8 of the heating chamber 1 is heated by an evaporating dish heater (not shown) to become water vapor, and air containing this water vapor condenses in the heating chamber 1, and the heating chamber 1 Inside, it becomes the residual water F (FIG. 7) of a heating chamber, and it dripped out of the heating chamber 1 from the connection part of the evaporating dish 8 and the heating chamber 1. FIG. The dropped water is configured to stay in the water receiving partition 4 provided at the lower part of the evaporating dish 8. This prevents the quality of the product from degrading, such as condensation water spilling out of the main body of the apparatus, and the intrusion of the water improves safety such as prevention of product malfunction and prevention of electric shock accidents. (For example, refer to Patent Document 1).
JP 2002-163942 A

  However, in the conventional configuration, when the amount of steam supplied to increase the amount of heating by steam is increased, the amount of dew condensation in the heating chamber 1 increases, the remaining water amount F in the heating chamber is considerably large, and the water receiving partition There is a limit in retaining the dropped water E only in the portion 4. Therefore, when continuous steam cooking is performed in which the object to be heated is heated by steam, dripping from the water receiving partition 4 to the outside of the apparatus main body occurs. Further, when the high-frequency heating device is driven immediately after steam cooking for heating the object to be heated with steam, dripping from the water receiving partition 4 occurs as described above. As a result, spilling out of the main body of the apparatus occurs, the quality of the product is lowered, and the product may malfunction due to the intrusion of water, an electric shock or the like cannot be improved.

  The present invention solves the above-described conventional problems, safely drains water dripped from the heating chamber without complicating the configuration, prevents deterioration of the product quality of spilling out of the apparatus body, The purpose of this product is to prevent malfunction of the product and to prevent electric shock accidents due to the ingress of water.

In order to solve the above-mentioned conventional problems, a high-frequency heating device of the present invention is provided with a heating chamber for storing an object to be heated, high-frequency generating means for heating the object to be heated with high-frequency radio waves, and a lower part of the heating chamber. A high-frequency heating apparatus comprising an electric heating means for heating the heated object and a steam generating means for heating the heated object with steam so as to receive dripped water from the heating chamber at a lower portion of the heating chamber. A heater heat reflecting plate is provided and a water receiving tray is detachably disposed on the front surface of the apparatus main body, and the heater heat reflecting plate is configured to guide the dropped water to the water receiving tray on the front surface of the main body.

  This prevents the deterioration of the product quality, such as the residual water of water vapor condensing in the heating chamber without spilling the structure, and prevents the product from degrading. Can be surely prevented.

According to the high-frequency heating device of the present invention, the residual water dripped in the heating chamber can be efficiently and safely drained to the outside of the device body, and the wastewater treatment can be performed without lowering the quality of the product.

  Moreover, the rotary waveguide driver and the machine room can be protected by draining safely. In addition, no special device is required in terms of configuration, and since the protection is effectively achieved by partially modifying parts in the current configuration, it can be configured at low cost.

The first invention includes a heating chamber for storing an object to be heated, high-frequency generating means for heating the object to be heated by high-frequency radio waves, electric heating means for heating an object to be heated provided in a lower part of the heating chamber, A high-frequency heating apparatus comprising a steam generating means for heating an object to be heated by steam, wherein a heater heat reflecting plate is provided at the lower part of the heating chamber so as to receive dripping water from the heating chamber, and water is provided on the front surface of the apparatus main body. A receiving tray is detachably disposed, and the heater heat reflecting plate is configured to guide the dripping water to the water receiving tray on the front surface of the main body, so that the water vapor condensed in the heating chamber is not complicated. The deterioration of the quality of the product, that is, the remaining water spills out of the main body of the device, can be prevented, and the intrusion of the water can surely prevent the malfunction of the product and the electric shock accident.

The steam generating means of the second invention is provided at the bottom of the heating chamber, and has a water receiving partition portion for receiving water below the connecting portion between the heating chamber in which the steam generating means is located and the evaporating dish serving as the steam generating means. It is configured to drain the water received by this water receiving partition to the water receiving tray via the heater heat reflecting plate at the bottom of the heating chamber, and the dripped water is drained more safely to the main body of the device due to electric leakage. Safety can be improved by preventing machine malfunctions and electric shocks.

According to a third aspect of the present invention, a hole for drainage is provided in the bottom wall of the heating chamber located in the lower part of the ceramic dish cradle of the heating chamber, and water dripped from the ceramic dish cradle is received by the bottom wall of the heating chamber. It is configured to guide to the heater heat reflector from the drainage hole on the bottom wall, and even if the ceramic dish pedestal in the heating chamber breaks and water leaks from here, it can be drained safely and more safely Can be improved.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
1 is a side sectional view of a high-frequency heating device according to Embodiment 1 of the present invention, FIG. 2 is a side sectional view for explaining the flow of the waste water, FIG. 3 is an enlarged sectional view of a main part of FIG. FIG. 5 is a perspective view for explaining the flow of the drainage.

In FIG. 1, in a heating chamber 1, a ceramic tray holder 7 on which an object to be heated is placed, a heater 2 as an electric heating means for heating the object to be heated, and a rotating waveguide as a high frequency generation means for heating the object to be heated. 13 is attached. The heating chamber 1 is composed of a steam pan 8 serving as a steam generating means for generating water vapor, a heating chamber rear wall 11 and a heating chamber bottom wall 9 by caulking, respectively, and a door plate 6 coupled by close contact bending. Make up the room.

In the lower part of the heating chamber 1, water is received so as to receive evaporating dish heaters (not shown) below the evaporating dish 8 and water dropped from the coupling part 12 between the evaporating dish 8 and the heating chamber 1. A receiving partition 4 is provided. Furthermore, the heater heat reflecting plate 3 that reflects the radiant heat of the heater 2 attached to the bottom wall 9 of the heating chamber to the heating chamber also serves as a drainage path for draining the drainage from the water receiving partition 4 to the outside of the apparatus main body. It is provided so as to contact the door plate 6. A drainage hole 1a is provided between the door plate 6 and the heater heat reflecting plate 3, and the drainage hole 1a is drained to a detachable water receiving tray 5 provided outside the apparatus main body. 5 is configured to store water. The water receiving tray 5 is provided on the front surface of the apparatus so as to be positioned below a door (not shown), and at least the front side thereof is configured to be substantially transparent.

  As a result, the dropped water leaked from the heating chamber can be easily and safely treated by removing the water receiving tray.

That is, in the above configuration, as shown in FIG. 2, first, water vapor generated from the evaporating dish 8 in the heating chamber 1 condenses on the chamber wall to become residual water F, and the evaporating dish 8 and the heating chamber 1 The leaked water E leaks from the coupling portion 12 and is received by the water receiving partition 4 and drained to the heater heat reflecting plate 3. The heater heat reflecting plate 3 guides the drainage to the drainage hole 1a between the door plate 6 and the heater heat reflecting plate 3, and drains the drainage from the hole 1a to the water receiving tray 5 outside the apparatus main body.

In the unlikely event that the ceramic dish pedestal 7 is damaged and dew condensation water drops from the crack, the dripped water flows between the ceramic dish pedestal 7 and the heating chamber bottom wall 9 as shown in FIGS. The dripping water that has entered between and transmitted to the surface of the rotating waveguide 13 and dripped from the rotating waveguide 13 is drained from a drain hole 9a provided in the bottom wall 9 of the heating chamber as shown in FIG. The The water drained from the hole 9a is received by the heater heat reflecting plate 3, merged with the above-described drainage, and drained to the water tray 5 outside the apparatus main body.

  Therefore, the user can remove the water receiving tray 5 from the main body of the apparatus and take it to a predetermined place to discard the water.

Here, as described above, in this embodiment, the dew condensation water is guided by the heater heat reflection plate 3, so that the temperature of the reflection plate 3 can be maintained at a relatively low temperature by the cooling effect of the dew condensation water, and the dew condensation water is reduced. A member for guiding to the water receiving tray is not required separately, and the configuration can be simplified. In addition, since the steam water receiving tray has at least a front side portion that is substantially transparent, the user can easily know the amount of condensed water accumulated in the water receiving tray 5. It can be easily prevented from overflowing.

  As described above, according to the high-frequency heating device according to the present invention, the dripping water staying in the device can be efficiently drained outside the device without complicating the configuration, so that the water evaporation function is provided. In addition to the high-frequency heating device, it is possible to take measures against electric leakage to the machine room device due to water leakage from the heating chamber.

Side sectional view of the high-frequency heating device according to Embodiment 1 of the present invention. Side sectional view for explaining the flow of the waste water of the high-frequency heating device 2 is an enlarged view of the main part of FIG. The perspective view explaining the flow of the drainage of the same high frequency heating device The perspective view explaining the flow of the drainage of the same high frequency heating device Perspective view of a conventional high-frequency heating device Perspective view of the main part of the high-frequency heating device Main part enlarged perspective view of the same high-frequency heating device

Explanation of symbols

1 Heating chamber 2 Electric heating means ( heater )
3 Heater reflection plate 4 Water receiving partition 5 Water receiving tray 7 Ceramic dish receiving base 8 Steam generating means (evaporating dish)
9 Heating chamber bottom wall 12 Evaporating dish and heating chamber joint 13 High frequency heating means (rotating waveguide)

Claims (1)

A heating chamber for storing an object to be heated; high-frequency generating means for heating the object to be heated by high-frequency radio waves; electric heating means for heating an object to be heated provided at a lower portion of the heating chamber; and the object to be heated by steam Steam generating means provided at the bottom of the heating chamber for heating, a water receiving partition provided below the steam generating means for receiving water entering from the steam generating means, and radiant heat of the electric heating means A heater heat reflecting plate provided at a lower portion of the heating chamber for reflecting the heating chamber, and a heating chamber bottom wall provided below the heating chamber and above the heater heat reflecting plate for attaching the electric heating means, The heater heat reflecting plate serves as a path for draining the water received by the water receiving partition, and water that has entered from the heating chamber is placed on the bottom wall of the heating chamber. Hole is provided for guiding the parts, the apparatus main body to the front, a high-frequency heating apparatus water receiving tray for receiving water flowing over the partition portion for receiving the water are provided detachably.