JP2019143828A - Heating cooker - Google Patents

Abstract

To provide a heating cooker not needing a multipolar connector and a number of signal lines for connecting a setting display portion SH and a control portion H, and capable of suppressing increase of material costs and manufacturing man-hours, and reducing manufacturing costs.SOLUTION: A power source of a control portion H is constituted of a dry battery B, and an electric current is supplied by two-wire type signal lines to a setting operation portion from a series circuit of a voltage boosting circuit SA and a DC constant current circuit TD, or a voltage boosting constant current circuit. A heating force display portion is constituted of light emitting element series body (LED1-LED5) formed by disposing a plurality of light emitting elements generating prescribed voltage drop when supplying DC current of a prescribed value, in series. A heating force setting portion is constituted of a group of switches (S1-S5) including a plurality of switches for manually short-circuiting the light emitting elements included in the light emitting element series body (LED1-LED5). Voltage generated at both ends of the signal line according to the operation of the group of switches (S1-S5) is input to the control portion H as a heating force setting signal (SE).SELECTED DRAWING: Figure 4

Description

  The present invention includes a heating unit, a heating power setting unit that manually sets the heating power of the heating unit, a heating power display unit that displays the heating power set by the heating power setting unit, and the heating power setting. And a setting display unit including the heating power display unit and a control unit that controls the heating power of the heating unit to the set heating power in response to a heating power setting signal from the heating power setting unit. It relates to a cooker.

A cooking device having a heating state adjusting unit and a combustion display lamp is known (for example, Patent Document 1).
In such a heating cooker, a plurality of combustion display lamps are provided around the heating state adjusting unit to often constitute a display unit that displays the heating state (thermal power).
And in such a heating cooker, the setting state by a heating state adjustment part is input into a control part, and the display by the display part which displays a heating state (thermal power) is performed by a control part.

JP 2017-003156 A

  However, in the conventional cooking device, the control unit displays each of the setting state input signal line and a plurality of display lamps for inputting the setting state by the heating state adjusting unit to the control unit. Display signal lines are required, and a large number of signal lines are required.

Accordingly, the heating state adjusting unit and the setting display unit in which a plurality of display lamps are arranged and the control unit are connected by a large number of signal lines.
In order to connect the setting display unit and the control unit with a large number of signal lines, a multipolar connector is generally required.

  Thus, in the conventional cooking device as described in Patent Document 1, the setting display unit and the control unit are connected by a large number of signal lines using a multipolar connector. This leads to an increase in material costs and manufacturing man-hours of the connector and a large number of signal lines, and there is room for improvement in this respect.

  The present invention has been made to solve the above problems, and its purpose is to require a multipolar connector and a large number of signal lines in order to connect between the setting display unit and the control unit. However, it is in the point which provides the heating cooker by which the raise of material cost and a manufacturing man-hour was suppressed and the manufacturing cost was reduced.

  In order to solve the above problems, a heating cooker according to the present invention includes a heating unit, a heating power setting unit that manually sets the heating power of the heating unit, and the heating power set by the heating power setting unit. The heating power display unit, a setting display unit including the heating power setting unit and the heating power display unit, and the heating power of the heating unit according to a heating power setting signal from the heating power setting unit A heating cooker comprising: a control unit that controls the set heating power, wherein the control unit is a booster circuit that is supplied with power from a dry cell and is provided in the control unit and boosts the voltage of the dry cell A current is supplied from a series circuit of a circuit and a DC constant current circuit, or a step-up constant current circuit included in the control unit to the setting operation unit via a two-wire signal line, and the heating power display unit is When a direct current of the value is applied, the specified voltage drop A plurality of light emitting elements to be generated are arranged in series, and the heating power setting unit is constituted by a switch group including a plurality of switches for manually short-circuiting the light emitting elements included in the light emitting element series body. The voltage generated at both ends of the signal line in response to the operation of the switch group is input to the control unit as the heating power setting signal.

Since the cooking device according to the present invention is configured as described above, it does not require a multipolar connector and a large number of signal lines in order to connect between the setting display unit and the control unit. In addition, it is possible to provide a heating cooker in which an increase in manufacturing man-hours is suppressed and manufacturing costs are reduced.
Moreover, since a dry cell is used as a power source for the control unit, no power source wiring for supplying commercial power is required, and the workability is excellent.

  That is, the cooking device according to the present invention is configured as described above, and since the control unit and the setting display unit are connected by a two-wire signal line, the setting display unit and the control unit are connected. Therefore, only a two-pole connector and two signal lines are required, and an increase in material costs and manufacturing man-hours is suppressed, manufacturing costs are reduced, and a dry battery is used as a power source. A power supply wiring for supplying commercial power is not required, and a cooking device having excellent workability can be obtained.

  In configuring the cooking device, the control unit includes polarity switching means for switching the polarity of the current supplied to the two-wire signal line between one polarity and the opposite polarity of the one polarity. The setting display section includes a heating state display section that displays that the heating section is heating, and the polarity of the current supplied to the two-wire signal line is the one polarity or the opposite polarity. It is preferable to provide a display switching unit that displays the heating state display unit only in either one of the polarities.

  When comprised in this way, the signal wire | line for displaying a heating condition display part is not required separately, but it can be set as the heating cooker by which the raise of material cost and a manufacturing man-hour was suppressed, and the manufacturing cost was reduced.

Moreover, it is preferable that the said light emitting element is LED, and the said switch group is comprised by a rotary switch.
Thus, the heating cooker of Claim 1 or Claim 2 can be easily comprised by making a light emitting element into LED and making a switch group into a rotary switch.

  In particular, since the switch group is a rotary switch, no special control circuit or power source is required to drive the switch group, so the heating cooker according to claim 1 or 2 can be simply configured. .

Further, a series circuit of the booster circuit and the DC constant current circuit, or the boost constant current circuit provided in the control unit to the setting operation unit, by the two-wire signal line, during a predetermined energization period. A voltage that is intermittently supplied in a form in which power is supplied and is not supplied over a predetermined energization stop period, and is generated at both ends of the signal line in response to an operation of the switch group, the predetermined energization period It is preferable that a voltage generated at both ends of the signal line is input to the control unit as the heating power setting signal.
When comprised in this way, although the display by a setting display part becomes a little dark, power consumption is reduced and it becomes possible to set it as an energy-saving heating cooker.

According to the present invention, a multipolar connector and a large number of signal lines are not required to connect between the setting display unit and the control unit, and an increase in material costs and manufacturing man-hours is suppressed, thereby reducing manufacturing costs. It can be set as a heating cooker.
Moreover, the signal line for displaying a heating condition display part is not required separately, and it can be set as the cooking-by-heating machine by which the raise of material cost and a manufacturing man-hour was suppressed, and the manufacturing cost was reduced.
Moreover, the cooking device of Claim 1 or Claim 2 can be easily comprised by making light emitting element into LED and making a switch group into a rotary switch.
Moreover, power consumption is reduced, and an energy-saving cooking device can be provided.

It is a figure which shows the external appearance structure of the gas stove with a grill concerning one Embodiment (Embodiment 1) of this invention. (A), (b), (c) is a figure which shows the operating method of the burner operation part of the gas stove with a grill concerning the embodiment of the present invention. (A), (b), (c) is a figure which shows the operating method of the burner operation part of the gas stove with a grill concerning the embodiment of the present invention. It is a figure which shows the control part with which the gas stove with a grill concerning one Embodiment (Embodiment 1) of this invention is equipped, and a setting operation part. It is a figure which shows the control part with which the gas stove with a grill concerning another embodiment (Embodiment 2) of this invention is equipped, and a setting operation part. It is a figure which shows the form of electricity supply to the 2-wire type signal wire | line by the control part with which the gas stove with a grill concerning another embodiment (Embodiment 3) of this invention is equipped.

  Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings.

Hereinafter, the embodiment of the present invention will be shown and the features thereof will be described in more detail.
<Basic structure of cooking device>
FIG. 1 is a diagram showing an external configuration of a cooking device (a gas stove with a grill) according to an embodiment of the present invention.

  As shown in FIG. 1, this grill-equipped gas stove includes three stove burners (heating units) of a standard burner 1a, a high-burning burner 1b, and a small burner 1c, and the standard burner 1a, The five virtues 51 for receiving and supporting an object to be heated (cooked food) such as a pan for the high burner 1b and the small burner 1c are placed.

The standard burner 1a includes a temperature sensor (pan temperature sensor) 9 composed of a thermistor for contacting the object to be heated (for example, the bottom of the pan that is a cooking container) and detecting the temperature of the standard burner 1a. It is arrange | positioned so that the center may be penetrated.
The standard burner 1a provided with the temperature sensor 9 can perform temperature-controlled cooking such as cooking rice, boiling water, and deep-fried food.

  The grill section 4 is configured by providing a grill net that functions as a placement section for placing an object to be cooked such as a fish in a grill box formed in a box shape with an open front portion. . In the grill cabinet, one upper burner (not shown) and two lower burners (not shown) are disposed as heating units.

  Further, a manual operation unit 34 (FIG. 1) for instructing ignition and extinguishing of the above-described stove burner and grill burner, adjustment of thermal power, and various settings is provided on the front surface (front side surface) of the gas stove with a grill.

  Moreover, this gas stove with a grill includes a control unit H (control means) (FIG. 4) configured to execute various controls. The control unit H (control means) is configured to control the combustion state of the stove burner and the grill burner based on the command information commanded by the manual operation unit 34.

  Further, an automatic return type push operation type power switch 24 is provided on the front surface of the gas stove with a grill.

  As shown in FIGS. 1 to 3, the manual operation unit 34 instructs each of the stove burner (standard burner 1 a, high thermal power burner 1 b, small burner 1 c) to individually perform ignition / extinguishment and thermal power adjustment. Additional heating operation control unit 21 (21a, 21b, 21c), additional function operation / display unit for standard burner which performs operation and display for temperature control function (boiling water, deep-fried food, rice cooking) and timer function of standard burner 1a 32, a grill burner operation unit 22 for adjusting the heating power of the grill burner (especially an upper burner and a lower burner not shown), an additional function operation / display unit 33 for the grill for instructing switching of the operation state of the grill burner, and the like.

  In addition, after the power switch 24 arrange | positioned at the front upper right of the cooking appliance main body 10 is turned ON and the power lamp 25 lights up, as shown to Fig.2 (a), the said standard burner operation part 21a, high-heat-power burner operation part 21b and the small burner operation section 21c are pushed in, so that the standard burner 1a, the high thermal power burner 1b, and the small burner 1c are ignited, and as shown in FIG. 2B, each burner operation section 21a, 21b. , 21c jumps out from the inside and can be adjusted in terms of thermal power.

  The adjusted thermal power is configured to be displayed by lighting of the thermal power adjustment lamp 23 (FIGS. 2 and 3).

  Thus, the gas stove with a grill has a heating power setting unit for setting the heating power of the stove burner (standard burner 1a, high thermal power burner 1b, small burner 1c) and a set stove burner (standard burner 1a, high thermal power burner). 1b, and a setting display section SH including a heating power display section that displays the heating power of the small burner 1c).

  When each burner 1a, 1b, 1c is ignited, the combustion indicator lamp LED6 (FIG. 4) is turned on so that the ignition can be confirmed.

  Further, as shown in FIG. 3 (a), the respective burner operation portions 21a, 21b, and 21c are pushed in again to execute the fire extinguishing operation of the burners 1a, 1b, and 1c, and as shown in FIG. 3 (b). Thus, each burner operation part 21a, 21b, 21c is comprised so that the inside of the cooker main body 10 may be accommodated.

  In addition, when the fire extinguishing operation | movement of each burner 1a, 1b, 1c is complete | finished, as shown in FIG.3 (c), it is comprised so that fire extinguishing lamp 23 can be extinguished and fire extinguishing can be confirmed. Yes.

  Further, the grill burner operation unit 22 is similarly configured such that by pressing the grill burner operation unit 22 again, a fire extinguishing operation is performed and the grill burner operation unit 22 is housed inside the cooker body 10. Yes.

<Characteristic configuration>
Next, the characteristic structure of the heating cooker (gas stove with a grill) concerning the embodiment of the present invention is explained.

<Embodiment 1>
The thermal power control lamp 23 is constituted by an LED (light emitting diode), and is used in a booster circuit (in this embodiment, a booster circuit SA that boosts a voltage of 3V in which two dry batteries are connected in series to 12V) provided in the control unit H. ) And the direct current constant current circuit TD (FIG. 4) to the LED1 to LED5 constituting the thermal power adjustment lamp 23 provided in the manual operation unit 34 (setting operation unit). Current is supplied by C1, C2). (See Figure 4.)
In the present embodiment, a DC constant current of 5 mA is supplied from the DC constant current circuit TD.
Incidentally, in FIG. 4, B is a DC power source that is a power source of the control unit H and is configured by a dry battery.
In the present embodiment, the power source of the control unit H is composed of two dry batteries, and current is supplied from a series circuit of the booster circuit SA and the DC constant current circuit TD to the two-wire signal lines (C1, C2). Yes.

  The heating power display unit (LED1 to LED5) is an LED (light emitting element) that generates a voltage drop of a predetermined value (2V in this embodiment) when a DC current of a predetermined value (5 mA in this embodiment) is energized. A plurality of (in this embodiment, five) diodes are arranged in series in a light emitting element series. (See Figure 4.)

  The heating power setting unit is configured by a switch group (S1 to S5) including a plurality of switches for manually short-circuiting the light emitting elements (LED1 to LED5) included in the light emitting element series body. (See Figure 4.)

  In the first embodiment, S1, S2, S3, and S4 are turned on (short-circuited), and S5 is turned off (opened), so that the thermal power of the stove burner (standard burner 1a, high-heat burner 1b, small burner 1c) is thermal power 1. (Minimum heating power) is set, LED1, LED2, LED3, and LED4 are turned off, and only LED5 is turned on.

  Note that the gas stove with a grill according to the first embodiment includes a heating state display unit LED6 described later and a display switching unit HK (configured by D1, D2, D3, and D4) that displays the heating state display unit LED6. However, in order to simplify the description, a voltage drop due to the light emitting elements (LED1 to LED5) will be described.

  When the heating power is 1 (minimum heating power) when only the LED 5 is lit, the voltage drop due to the light emitting elements (LED1 to LED5) is approximately 2V.

  Moreover, the thermal power of the stove burner (standard burner 1a, high thermal power burner 1b, small burner 1c) is set to thermal power 2 by turning ON (short circuit) S1, S2, S3 and OFF (open) S4, S5. , LED1, LED2, and LED3 are turned off, and only LED4 and LED5 are turned on.

  And when only LED4 and LED5 are the thermal power 2 which lighted, the voltage drop by a light emitting element (LED1-LED5) will be about 4V.

  Moreover, the thermal power of the stove burner (standard burner 1a, high thermal power burner 1b, small burner 1c) is set to thermal power 3 by turning on S1 and S2 (short circuit) and turning off (open) S3, S4 and S5. , LED1 and LED2 are turned off, and only LED3, LED4 and LED5 are lit.

  And when only LED3, LED4, and LED5 are the thermal power 3 which lighted, the voltage drop by a light emitting element (LED1-LED5) will be about 6V.

  Moreover, the thermal power of the stove burner (standard burner 1a, high thermal power burner 1b, small burner 1c) is set to thermal power 4 by turning S1 ON (short circuit) and OFF (open) S2, S3, S4, and S5. LED1 is turned off, and LED2, LED3, LED4, and LED5 are turned on.

  And when LED2, LED3, LED4, and LED5 are the heating power 4 which lighted, the voltage drop by a light emitting element (LED1-LED5) will be about 8V.

  Further, by turning off (opening) S1, S2, S3, S4, and S5, the heating power of the stove burner (standard burner 1a, high heating power burner 1b, small burner 1c) is set to heating power 5 (maximum heating power), and LED1 , LED2, LED3, LED4, and LED5 are lit.

  And when LED1, LED2, LED3, LED4, and LED5 are fired power 5 (maximum heat power), the voltage drop by the light emitting elements (LED1 to LED5) is approximately 10V.

As shown in FIG. 4, the voltage generated at both ends of the signal lines (C1, C2) in response to the operation of the switch group (S1 to S5) is input to the CPU provided in the control unit H as the heating force setting signal SE. It is configured.

  As described above, since the voltage drop due to the light emitting elements (LED1 to LED5) changes according to the operation of the switch group (S1 to S5), the heating power setting signal according to the operation of the switch group (S1 to S5). The voltage of SE (FIG. 4) changes.

  Therefore, when the heating power setting signal SE is input to the CPU, the control unit can determine how many LEDs among the light emitting elements (LED1 to LED5) are short-circuited by the switches (S1 to S5). .

  In the gas stove with a grill according to the present embodiment, the heating power setting signal SE is input to the CPU, and the control unit H has a number of LEDs among the light emitting elements (LED1 to LED5) short-circuited by the switches (S1 to S5). And the heating power of the stove burner (standard burner 1a, high thermal power burner 1b, small burner 1c) is adjusted according to the heating power setting signal SE.

  The gas stove with a grill is configured in this way, and does not require a multipolar connector and a large number of signal lines in order to connect the setting display unit SH and the control unit H. An increase in the number of man-hours is suppressed, and a cooking device (gas stove with a grill) with reduced manufacturing costs can be obtained.

  In the gas stove with a grill according to the first embodiment, the control unit H sets the polarity of the current supplied to the two-wire signal lines (C1, C2) to one polarity (for example, C1 is positive and C2 is negative). ) And a polarity switching means KS for switching between the opposite polarity (for example, C1 is negative and C2 is positive). (See Figure 4.)

  And the setting display part SH is equipped with the heating state display part LED6 which displays that it is heating by the stove burner (standard burner 1a, high thermal power burner 1b, small burner 1c) (heating part). (See Figure 4.)

  The polarity of the current supplied to the two-wire signal lines (C1, C2) is one polarity (for example, C1 is positive and C2 is negative) or the opposite polarity (for example, C1 is negative and C2 is positive). ), The display switching unit HK (configured by D1, D2, D3, and D4) that displays the heating state display unit LED6 only in one polarity.

  In the first embodiment, when the polarity of the current supplied to the two-wire signal lines (C1, C2) is one polarity (for example, C1 is positive and C2 is negative), the heating state display unit LED6 is displayed. When the polarity of the current supplied to the two-wire signal lines (C1, C2) is reversed (for example, C1 is negative and C2 is positive), the heating state display LED 6 is not displayed. Has been.

  In the first embodiment, as described above, a signal cooker for displaying the heating state display unit LED6 is not required separately, and an increase in material costs and manufacturing man-hours is suppressed, and a heating cooker with reduced manufacturing costs is provided. Is done.

  Moreover, in Embodiment 1, the light emitting elements (LED1-LED5) which comprise the thermal power control lamp 23 are LED, and switch group (S1-S5) is comprised by the rotary switch.

  Thus, the heating cooker by this application can be simply comprised that the light emitting element (LED1-LED5) which comprises the thermal power control lamp 23 is set to LED, and switch group (S1-S5) is a rotary switch.

  In particular, since the switch group (S1 to S5) is a rotary switch, no special control circuit or power source is required to drive the switch group (S1 to S5), so the cooking device according to the present application is simple. Configured.

<Another embodiment>
In the first embodiment, the switch group includes S1 that short-circuits LED1, S2 that short-circuits LED2, S3 that short-circuits LED3, S4 that short-circuits LED4, and S5 that short-circuits LED5. Like embodiment 2 shown, S5 shorts LED5, S4 shorts LED4 and LED5, S3 shorts LED3 and LED4 and LED5, S2 shorts LED2 and LED3 and LED4 and LED5, LED1 and LED2 and LED3 and You may comprise by S1 which short-circuits LED4 and LED5.

  In addition, the switch group (S1 to S5) may be configured by a semiconductor switch instead of a mechanical switch such as a rotary switch.

  In the present embodiment, a current is supplied to a two-wire signal line (C1, C2) from a series circuit of a booster circuit SA that boosts the voltage of the dry battery B and a DC constant current circuit TD. However, the control unit H includes a boost constant current circuit having a boost function and a DC constant current function, and current is supplied from the boost constant current circuit to the two-wire signal lines (C1, C2). May be.

In addition, as shown in FIG. 6, power is supplied from the series circuit of the booster circuit SA and the DC constant current circuit TD to the setting operation unit over a predetermined energization period A1 by the two-wire signal lines (C1, C2). In addition, power is intermittently supplied in a form in which power is not supplied over a predetermined energization stop period A2, and both ends of the signal lines (C1, C2) are operated according to the operation of the switch group (S1 to S5). The voltage generated at both ends of the signal lines (C1, C2) in the predetermined energization period A1 may be input to the control unit H as a heating power setting signal.
When comprised in this way, although the display by a setting display part becomes a little dark, power consumption is reduced and it becomes possible to set it as an energy-saving heating cooker.
In this case, the total value of the predetermined energization period A1 and the predetermined energization stop period A2, that is, the intermittent power supply cycle is set to 20 msec or less, so that the light emitting elements (LED1 to LED5) by intermittent power supply are used. Flickering is suppressed.

  When the control unit H includes a boosting constant current circuit having a boosting function and a direct current constant current function, a predetermined energization period is set from the boosting constant current circuit to the setting operation unit by two-wire signal lines (C1, C2). It is configured such that power is supplied over A1 and power is not supplied over a predetermined energization stop period A2, so that current is supplied intermittently, and a signal line (C1) according to the operation of the switch group (S1 to S5) , C2), and the voltage generated at both ends of the signal lines (C1, C2) in the predetermined energization period A1 may be input to the control unit H as a heating power setting signal. .

  The present invention is not limited to the above embodiment, and various modifications can be made within the scope of the present invention.

DESCRIPTION OF SYMBOLS 10 Cooker main body 1a Standard burner 1b High thermal power burner 1c Small burner 21 Heating state adjustment part 22 Grill burner operation part 23 Thermal power adjustment lamp 24 Power switch 25 Power lamp 32 Additional function operation / display part 33 Additional function operation / display part for grill 34 Manual operation part 4 Grill part 51 Gotoku 9 Temperature sensor (pan temperature sensor)
A1 Energizing period A2 Energizing stop period B Batteries (DC power supply serving as power source for control unit H)
C1 signal line C2 signal line D1 diode D2 diode D3 diode D4 diode LED1 heating power display (light emitting element)
LED2 heating power display (light emitting element)
LED3 Heating power display (light emitting element)
LED4 heating power display (light emitting element)
LED5 heating power display (light emitting element)
LED6 Heating status indicator (combustion indicator lamp)
H control unit HK display switching unit S1 switch constituting switch group S2 switch constituting switch group S3 switch constituting switch group S4 switch constituting switch group S5 switch constituting switch group SA booster circuit SH setting display unit TD DC constant current circuit

Claims (4)

A heating unit, a heating power setting unit for manually setting the heating power of the heating unit, a heating power display unit for displaying the heating power set in the heating power setting unit,
A setting display section including the heating power setting section and the heating power display section;
In accordance with a heating power setting signal from the heating power setting unit, a heating cooker comprising a control unit that controls the heating power of the heating unit to the set heating power,
The control unit is supplied with power from a dry cell,
A booster circuit provided in the control unit, which is a series circuit of a booster circuit that boosts the voltage of the dry battery and a DC constant current circuit, or a boosting constant current circuit provided in the control unit, to the setting operation unit, 2 Current is supplied by a wire-type signal line,
The heating power display unit is constituted by a light emitting element serial body in which a plurality of light emitting elements that generate a predetermined voltage drop when a direct current of a predetermined value is applied are arranged in series,
The heating power setting unit is configured by a switch group including a plurality of switches for manually short-circuiting the light-emitting elements included in the light-emitting element series body,
A heating cooker, wherein a voltage generated at both ends of the signal line in response to an operation of the switch group is input to the control unit as the heating power setting signal. The control unit includes polarity switching means for switching a polarity of a current supplied to the two-wire signal line between one polarity and a polarity opposite to the one polarity;
The setting display unit includes a heating state display unit that displays that the heating unit is heating.
A display switching unit that displays the heating state display unit only when the polarity of the current supplied to the two-wire signal line is either the one polarity or the reverse polarity is provided. The cooking device according to claim 1.   The cooking device according to claim 1 or 2, wherein the light emitting element is an LED, and the switch group includes a rotary switch. A series circuit of the booster circuit and the DC constant current circuit, or power from the boost constant current circuit provided in the control unit to the setting operation unit through the two-wire signal line for a predetermined energization period. In a form in which power is supplied and power is not supplied over a predetermined energization stop period, current is intermittently supplied,
The voltage generated at both ends of the signal line in response to the operation of the switch group and generated at both ends of the signal line during the predetermined energization period is input to the control unit as the heating power setting signal. The cooking device according to claim 1, wherein the cooking device is a cooking device.