JP4169715B2 - Cooker - Google Patents

Description

  The present invention relates to a heating cooker having a top plate on which an object to be cooked is placed and heated on the top surface of the cooker body, and an operation unit is provided in front of the top plate.

A cooking device provided with a heat-resistant glass top plate on which the cooking object such as a pan is placed on the top surface of the cooking device body, and a plurality of heat sources such as an induction heating coil and a heater are disposed below the top plate. Then, as shown in Patent Document 1, for example, there is an apparatus in which an operation unit is disposed in front of the heat source of the top plate to improve operability.
JP 2003-272816 A

  On the other hand, in the configuration described in Patent Document 1, the operation pads 31 to 36 of the upper surface operation unit 30 are formed of a conductive film, and a finger or the like comes into contact with the film to change the capacitance, thereby performing an input operation. However, when the contact surface of the operation pad is formed of a glass plate in consideration of the design with the top plate, the top plate is extended to the operation portion, and the front end portion of the top plate is used as the operation surface. When trying to share, there is a problem that the operation surface becomes hot due to the temperature rise during cooking and there is a risk of burns.

  Then, this invention aims at ensuring safety | security while improving the designability by comprising the operation surface of an operation part with a glass plate.

The structure of Claim 1 of this invention consists of a cooker main body, the heat-resistant glass top plate with which the upper surface of this cooker main body was mounted | worn, the heat source arrange | positioned under this top plate, and the heat source of a top plate A glass plate formed by separating the operation surface of the operation unit from the top plate, with an operation unit arranged in front and a control circuit for controlling a heat source and the like based on input information from the operation unit And the operation unit is configured by a non-contact type touch key that detects an input operation from a change in capacitance, and the outer peripheral edge of the top plate is pressed and fixed from the top surface by the top frame, and the top frame An operation window is perforated on the front end surface of the glass plate, and the outer peripheral edge of the glass plate of the operation unit is pressed and fixed at the periphery of the operation window .

The second aspect of the present invention, in the configuration of claim 1, between the top plate and the operating window of the top frame, bending the ridge protruding above the upper surface of the top surface frame integrally formed It consists of

In the configuration according to claim 1 of the present invention, the operation surface of the operation unit arranged in front of the top plate is constituted by a glass plate formed separately from the top plate, and the glass plate and the top plate are used as the top plate. It is configured to be pressed and fixed by the frame, improving the design of the operation unit, preventing temperature rise due to heat conduction from the top plate, preventing burns due to heating, improving safety , and operating There is no need to provide a dedicated member for fixing the glass plate, and the cost can be reduced by reducing the number of parts and improving the assembly workability .

The arrangement according to claim 2 of the present invention, that is bent formed integrally with ridges between the top plate and the glass plate of the top plate frame, without adding additional components, operating at ridge It is possible to prevent the cooking object such as the cooking pot from moving to the part and to prevent the glass plate from being heated by the approaching object to the operation part.

  First, an embodiment according to the present invention will be described with reference to FIG. 1. Reference numeral 1 denotes a cooker body of an electromagnetic cooker that is used in a drop-in manner, for example, in a system kitchen or the like. And a pair of left and right induction heating coils 3 and 4 and a radiant heater 5 are incorporated in the lower part of the top plate as a heat source.

  On the other hand, an operation panel 6 is disposed on the right side of the front surface of the electromagnetic cooker body 1, and a grill door 8 for the grill 7 is disposed on the left side of the operation panel so as to be freely retractable. The operation panel 6 is provided with a seesaw type power switch 9, a plurality of operation keys 10..., A push-push type operation knob 11. When the operation knob 11 is pulled out by a push operation, the energization of the induction heating coils 3 and 4 and the radiant heater 5 is started. When the operation knob 11 is pushed in, the operation is stopped. The cooking temperature is set.

  Further, the outer peripheral edge of the top plate 2 is pressed and fixed by the top plate frame 12, and an operation window 13 is perforated at the front end portion of the top plate frame, and a non-contact type touch key is formed in the operation window. The operation unit 14 configured as described above is disposed, and a pair of left and right intake and exhaust covers 15 and 15 are detachably attached to the rear end portion of the top frame 12.

  On the other hand, a glass plate 16 formed separately from the top plate 2 is disposed below the operation window 13 as shown in FIGS. 2 and 3, and on the front or back surface of the glass plate. A plurality of touch keys 17 indicating a touch area such as a finger are arranged by printing, and an operation circuit board 18 is disposed below the glass plate 16 in an overlapping manner.

  With these configurations, the top panel 2 and the glass plate 16 are pressed and fixed by the top frame 12, so that the operation panel is configured, for example, when a resin operation panel is arranged in front of the top frame. There is no need to provide separate parts, and the cost can be reduced by reducing the number of parts and the work process during assembly.

  On the other hand, for example, as shown in FIG. 4, the operation circuit board 18 has rectangular detection electrodes 19... Formed of a conductive material on the upper surface thereof so as to oppose each other below the touch keys 17. Are arranged by printed wiring or the like, and the IC chip 20... For detecting the input of the touch key 17.

  The glass plate 16 and the operation circuit board 18 are fixed by fixing plates 21 and 21 fixed to the back surface of the top frame 12 with an adhesive such as silicon resin, for example. You may fix with the front board 22 of the main body 1, the partition plate 23 grade | etc.,.

  Further, a ridge 24 protruding upward from the upper surface of the top frame 12 is integrally formed between the top plate 2 of the top frame 12 and the operation window 13 and mounted on the top plate 2. When the object to be cooked such as a cooking pot placed is moved forward by an operation during cooking and approaches the operation unit 14, the bottom surface of the object to be cooked is brought into contact with the protrusion 24 to prevent the movement, The temperature rise of the glass plate 16 due to the heat radiation from the cooking object due to the approach to the operation unit 14 and the falling of the cooking object are prevented.

  The operation unit 14 is configured to perform input settings such as the heating power and cooking temperature of the induction heating coils 3 and 4 by the input operation from the unit and the input operation from the operation panel 6. It is configured to display the contents inputted by the display 25 constituted by a liquid crystal display with a backlight or the like disposed behind the operation unit 14 of the top plate 2, timer information during cooking, cooking temperature, and the like. .

  In FIG. 3, reference numeral 30 denotes a control circuit which is connected to a commercial 200V power supply via the power switch 9 and is provided with the operation keys 10 and the operation knob 11 arranged on the operation panel 6 and the operation unit 14 of the top 2. Is detected, and the energization of the induction heating coils 3 and 4, the radiant heater 5, the grill heater (not shown) disposed in the grill 7, and the display 25 is controlled.

  The input operation from the touch keys 17... Is performed by the electrostatic capacity method described in, for example, USP 5,730,165, USP 6,452,514, USP 6,466,036. It is possible to detect the contact / separation of a finger or the like with the electrodes, to simplify the arrangement configuration of the detection electrodes 19... Can be placed.

  With these configurations, it is not necessary to provide a transparent electrode or the like for detecting contact with a finger or the like on the glass plate 16, and the production cost of the glass plate 16 can be greatly reduced.

  Thus, when cooking, a cooking pan or the like is placed on the heat source used on the top plate 2 such as the induction heating coils 3 and 4 or the radiant heater 5 and the power switch 9 is turned on. By operating the operation knob 11 for the heat source to be pushed and pulled out, and by setting the heating power, cooking temperature, and cooking time by this operation knob or input operation with the touch key 17 arranged on the operation unit 14, these The operation is detected by the control circuit 30 and energization of the induction heating coils 3 and 4, the radiant heater 5, and the grill heater (not shown) disposed in the grill 7 is started to start cooking.

  Further, when the food to be cooked moves to the front side of the top plate 2 for some reason during cooking, the bottom surface of the food to be cooked is brought into contact with the ridge 24 and stopped, whereby the food to the glass plate 16 is cooked. This prevents temperature rise and food to be dropped due to the approach of the object.

  In addition, in the said Example, although the built-in type electromagnetic cooker is used for the cooker main body 1, it is not limited to this, The gas table using the glass top plate made from heat-resistant glass for a top plate, or a stationary type A cooking device may be used.

It is a perspective view which shows the Example of this invention. It is a top view of the principal part similarly. It is AA sectional drawing in FIG. It is a top view which shows the Example of the circuit board for operation by this invention.

Explanation of symbols

1 Cooker body 2 Top plate 3 Induction heating coil (heat source)
4 Induction heating coil (heat source)
14 Operation part 16 Glass plate 17 Touch key 20 Detection electrode 22 Projection 30 Control circuit

Claims (2)

A cooker body, a heat-resistant glass top plate mounted on the top surface of the cooker body, a heat source disposed below the top plate, and an operation unit disposed in front of the heat source of the top plate, In the one having a control circuit for controlling the heat source or the like based on input information from the operation unit or the like, the operation surface of the operation unit is constituted by a glass plate formed separately from the top plate , and The operation unit is configured by a non-contact type touch key that detects an input operation from a change in capacitance, and the outer peripheral edge of the top plate is pressed and fixed from the upper surface by the top frame, and further, the front end surface of the top frame A cooking device characterized in that an operation window is perforated and the outer periphery of the glass plate of the operation unit is pressed and fixed at the periphery of the operation window . The heating cooking according to claim 1, wherein a protrusion protruding upward from the upper surface of the top surface frame is integrally bent between the top plate of the top surface frame and the operation window. vessel.

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