JPH0415414A - High frequency heater - Google Patents

Abstract

PURPOSE:To improve visibility of a console sensing an operation of inputting food in an oven by a user and applying a sense signal to an illumination controller in a captioned heater used in a vehicle, etc. CONSTITUTION:A switch 16 coupled to a door 15 and closed at its contact when the door 15 is closed, a console 17 for applying a command of an inverter 13, a console illumination lamp 18 for illuminating the console 17, and an illumination controller 19 for controlling the lamp 18 upon reception of a signal from the switch 16 are provided. Thus, when the door 15 is opened to input food to be heated, the switch 16 is closed, the controller 19 lights the lamp 18 until heating is finished. Accordingly, the visibility of the console is improved.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a high frequency heating device that can be used, for example, in a vehicle.

Conventional technology In recent years, the use of cars has become more widespread, leading to long-distance transportation, long-distance drives,
Also, outdoor leisure activities such as sailing and camping are becoming popular. Therefore, there is a growing desire to cook food outside the home, such as in the car.

Conventional high-frequency heating apparatuses generally have no illumination at all, or have the configuration shown in FIG. 5. The configuration of a conventional illumination means will be described below with reference to the drawings.

As shown in FIG. 5, the main body 1 includes a power supply section 2 obtained from a battery or the like, an inverter 4 that receives power from the power supply section 2 and supplies high voltage power to a microwave oscillator 3, and the microwave oscillator 3. A door 6 for taking food in and out of the attached oven 5, an operation section 7 for giving commands to the inverter 4, an operation section illumination means 8 for illuminating the operation section 7, and controlling the operation section illumination means 8. It was composed of a lighting control section 9.

In the above configuration, when the operating section 7 is operated, the illumination control section 9 senses the operation and illuminates the sensed part of the operating section 7.

Problems to be Solved by the Invention However, the above configuration has a problem in that the operating section 7 cannot be clearly seen in a dark place and is difficult to operate. The present invention solves such conventional problems and aims to improve the visibility of the operating section 7.

Means for Solving the Problems In order to solve the above problems, the high frequency heating device of the present invention has the following features:
A door for taking food in and out of the oven to which the microwave oscillator is attached, an operating section for giving commands to the inverter, operating section illumination means for illuminating the operating section, and lighting for controlling the operating section illumination means. A control section and a use operation detection means for supplying a signal to the illumination control section are provided, and the illumination means is operated at the same time as at least the operation section is operated.

Further, the use motion detection means is configured to detect the opening/closing motion of the door.

Further, the use operation detection means is configured to include a conductive electrode on at least the surface of the operating section or the door and detect when the user touches this electrode.

Furthermore, the usage operation detection means is configured to detect when any of the operation switches is pressed.

Furthermore, the operation section illumination device is configured to double as an oven lamp.

Effects The present invention has the following effects due to the above-described configuration.

That is, the use motion detection means detects the user's motion for heating food at least before operating the operating section, and the lighting control section operates the lighting means.

In addition, by configuring the usage motion detection means to detect the opening/closing motion of the door, it is possible to detect the motion of the user opening the door in order to heat the food, and to detect the operation of the lighting controller before the user operates the operation section. The illumination means is activated by this.

Furthermore, the use operation detection means is configured to include a conductive electrode on at least the surface of the operating section or the door and detect when the user touches this electrode, so that the user does not attempt to heat the food. The device detects actions performed on the main body and activates the lighting means by the lighting control section before the user operates the operating section.

Furthermore, by configuring the usage operation detection means to detect when any of the operation switches is pressed,
This system detects the act of a user touching an arbitrary operating section to heat food, and activates the lighting means by a lighting control section before the user operates the operating section.

Furthermore, the operation section illumination device is also used as an oven lamp, and the operation detection means detects an operation for heating the food by the user at least before operating the operation section, and the illumination control section detects the operation of the user to heat the food. The oven is reactivated and the inside of the oven and the operating section are illuminated simultaneously using one lighting means.

Embodiments Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a block diagram of a high-frequency heating device showing one embodiment of the present invention, and is an example in which lighting means is operated by detecting the opening and closing of a door.

As shown in FIG. 1, a main body 10, a power supply section 11 obtained from a battery or the like, an inverter 13 that receives power from the power supply section 11 and supplies high voltage power to a microwave oscillator 12, and the microwave oscillator 12 A door 15 for taking food in and out of the oven 14 to which the door 14 is attached, a switch 16 connected to the door 15 and whose contacts are closed when the door 15 is opened, and an inverter. 13, an operation section illumination light 18 that illuminates the operation section 17, and an operation section illumination light 18 that illuminates the operation section illumination light 18; It consists of a lighting control section 19 that controls the light 18.

To explain the operation in the second configuration, when the door 15 is opened to put the food to be heated, the switch 16 is turned on, and the lighting control section 19 detecting this turns on the operation section illumination light 18 to finish heating. It lights up until the end. This has the effect of improving the visibility of the operating section in a dark place easily and inexpensively, and eliminating the need for fumbling and uncertain operations.

Note that the same effect can be obtained even if a touch sensor switch that operates when the main body is touched for operation is used instead of the switch 16 that is linked to the opening and closing of the door.

An example using a touch sensor switch will be explained using FIG. 2.

In FIG. 2, a power supply 21 is connected to a resistor 22 connected in series.
．． 23, and a voltage R23 is applied across the resistor 23.
is occurring. One end of the resistor 23 that is not grounded is connected to an electrode 25 provided on the surface of the door 24, which is not electrically connected to the ground of the main body. The electrode of said electrode 25 is also connected to one input of a comparator 26. The other voltage of the comparator 26 is set to an appropriate voltage. connected to the power supply 27 set to
The output is connected to a lighting control section 30 that controls lighting 29.

In the above configuration, when the electrode 25 is touched by the human body 30, the resistance value between the earth aluminum poles 24 is ■R23 falls. (2) Since I is set so that the magnitude relationship with VR23 is reversed by this voltage drop, the output of the comparator 26 is reversed, and the lighting control unit 28 detects the reversal of the output of the comparator 26. This has the effect of lighting up the illumination lamp 29, improving the visibility of the operating section in a dark place, and eliminating the need for fumbling and uncertain operations. Furthermore, compared to the embodiment shown in FIG. 1, it is easier to detect the user's attempt to heat the food.

Next, another embodiment of the present invention will be described with reference to FIG. Components with the same reference numerals as those in FIG. 1 are corresponding components, and explanations thereof will be omitted.

The difference in FIG. 3 from the previous embodiment is that the operating section is divided into an operating section switch 30 and a microcomputer control section 31, and the operating operation detecting means is the operating section switch 30. According to this configuration, time, etc. By touching any operating section switch 30 before operating the operating section to set the
Data from the operation section switch is processed by the microcomputer control section, and when the operation section illumination light is off, the first input sends a control signal to the lighting control section to turn on the operation section illumination lamp, and the operation section illumination lamp is turned on. When the illumination light is on, it acts to send a control signal to the inverter control section. This has the effect of improving the visibility of the operating section in a dark place easily and inexpensively, and eliminating the need for fumbling and uncertain operations.

Next, another embodiment of the present invention will be described using FIG. 4. The difference in FIG. 4 from the previous embodiment is that the light from the oven lamp 32 is configured to illuminate the operating section 34 through the optical fiber 33. According to this configuration, the oven lamp 32 is The switch 36 and the control section 37 in conjunction with the control section 37 control the operation from the time the door is opened until the end of heating, and act to illuminate the operation section 34.

As a result, heating can be performed after checking the inside of the oven, and the operation section can be illuminated without increasing the number of parts.

In addition, instead of the optical fiber used here, light reflection,
It also includes means that double as an oven lamp, such as refraction.

Furthermore, the driver of the vehicle may turn on a lighting device such as a headlamp at dusk, and the lighting device and the lighting control unit may be linked.

Effects of the Invention (1) As described above, according to the high-frequency heating device of the present invention, the operation unit illumination means is operated by the illumination control unit based on the signal from the usage operation detection means, so that the area around the operation unit is dark. When the control panel is difficult to see, the control panel illumination means can be turned on without any extra steps, eliminating the need to grope and perform uncertain operations in the dark, and ensuring reliable operation. There is an effect that it can be done.

(2) Since the use motion detection means is configured to detect the opening/closing motion of the door, there is an advantage that it can be realized very inexpensively and easily.

(3) Since the usage motion detection means is constituted by an electrode provided at least on the surface of the door or the operating section, there is an effect that the usage motion of the user can be detected more reliably and easily.

(4) By configuring the usage motion detection means to detect when any of the operation switches is pressed, the usage motion detection device can be configured to use a microcomputer or the like without providing a new detection element. This has the advantage that it can be realized easily and inexpensively.

(5) By using the oven lamp as the operation unit illumination means, the illumination means can be realized simply and at low cost without increasing the number of parts.

[Brief explanation of the drawing]

Fig. 1 is a block diagram of a high-frequency heating device showing an embodiment of the present invention, Fig. 2 is a circuit diagram of a touch sensor switch used as a means for detecting the operation of the device, and Fig. 3 is a circuit diagram of a touch sensor switch used for detecting the operation of the device. A block diagram when a switch on the operating section is used as the means, FIG. 4 is a cross-sectional view when the operating section illuminator/stage of the same device is used as an oven lamp, and FIG. 5 is a block diagram of a conventional high-frequency heating device. It is. 10... Body, 11... Power supply, 12.
... Microwave oscillator, 13 ... Inverter, 14 ... Oven, 15 ... Door, 16 ... Usage operation detection means, 17. ...
...Operation unit, 18...Operation unit illumination means, 19.
...Lighting control section, 25... Electrode, 32.
...Oven lamp. Name of agent: Patent attorney Shigetaka Awano

Claims (6)

[Claims] (1) An oven to which microwaves are supplied, a door provided in the oven for loading and unloading food, an operating section for controlling the oscillation operation of the microwave, an operating section illumination means for illuminating the operating section; A high-frequency heating device comprising: a lighting control unit that controls an operation unit lighting unit; and a use operation detection unit that detects an operation by a user to put the food into the oven and provides a detection signal to the lighting control unit. (2) The high-frequency heating device according to claim 1, wherein the usage operation detection means is configured to detect opening and closing operations of the door. (3) The high-frequency heating device according to claim 1, wherein the usage operation detection means includes a conductive electrode provided on at least the surface of the operating section or the door, and detects when the user touches this electrode. (4) The high-frequency heating device according to claim 1, wherein the use operation detection means detects that any operation switch is pressed. (5) The high-frequency heating device according to claim 1, wherein the operation unit illumination device also serves as an oven lamp. (6) The high-frequency heating device according to claim 1, wherein the operation unit illumination device is linked with a vehicle illumination device.