JP5345005B2 - rice cooker - Google Patents

Description

  The present invention relates to a rice cooker that illuminates the inside of an inner pot.

  In a conventional rice cooker, for example, “a main body provided with a water level line corresponding to the amount of rice cooked inside, a pot for cooking rice by adding water and rice, and a heating means for storing and heating the pot And a lid that covers the upper surface of the main body by engaging the latch mechanism connected to the other end of the main body so as to be opened and closed by a hinge mechanism provided at one end of the main body. There has been proposed a lamp provided with a lamp for illuminating the inside of the pot (see, for example, Patent Document 1).

JP-A-4-338417 (Claim 1)

  In the conventional technology, a lamp that illuminates the interior of the hook is turned on or off by operating a switch of the operation unit. For this reason, the user needs to perform a switch operation in order to turn on or off the lamp, and there is a problem that the operation is cumbersome and unusable.

  Further, since the lamp is turned off by operating the switch, if the user forgets to turn off the lamp and the lid is closed, there is a problem that rice cooking is started with the lamp turned on. In such a case, unnecessary power is consumed.

In the prior art, a lamp is provided on the inner lid that closes the inner hook. For this reason, when a main body is obstruct | occluded with a cover body, a lamp | ramp will be arrange | positioned in the inner pot (rice cooking chamber) obstruct | occluded with the inner cover. For this reason, the lamp is exposed to a high heat and high humidity environment during cooking, and there is a problem in that the failure and durability of the lamp are reduced.
In addition, when a lamp is placed in a rice cooking chamber, it is necessary to provide a protective member such as a lamp case or window cover so that it can withstand high heat and high humidity. There has been a problem of reducing the amount.

  This invention is made in order to solve the above subjects, and obtains the rice cooker which becomes unnecessary [the operation for lighting an illumination means] and can improve usability.

The rice cooker according to this invention is
A rice cooker body with an open top and an inner pot inside;
A rear end is attached to the rice cooker body via a hinge part, and a lid that covers the upper part of the rice cooker body so as to be freely opened and closed,
Illumination means provided on the inner surface of the lid, and illuminates the inside of the inner pot stored in the rice cooker body;
A lid closing detecting means for detecting the opening and closing of the lid,
Time detection means for detecting the current time;
With
The open state of the lid by the lid opening and closing detection means is detected, and, when the current time detected by the time detection means belongs to a prescribed time zone is one which lit point the illumination means.

  According to the present invention, by turning on or off the illumination unit according to the detection state of the lid opening / closing detection unit, an operation for turning on or off the illumination unit becomes unnecessary, and usability can be improved.

It is a sectional side view of the rice cooker which concerns on Embodiment 1 of this invention. It is a perspective view which shows the external appearance of the rice cooker which concerns on Embodiment 1 of this invention. It is a control block diagram of the rice cooker which concerns on Embodiment 1 of this invention. It is a control block diagram of the rice cooker which concerns on Embodiment 2 of this invention. It is a flowchart which shows operation | movement of the rice cooker which concerns on Embodiment 2 of this invention. It is a control block diagram of the rice cooker which concerns on Embodiment 3 of this invention. It is a flowchart which shows operation | movement of the rice cooker which concerns on Embodiment 3 of this invention. It is a control block diagram of the rice cooker which concerns on Embodiment 4 of this invention. It is a flowchart which shows operation | movement of the rice cooker which concerns on Embodiment 4 of this invention.

Embodiment 1 FIG.
[Constitution]
1 is a side sectional view of a rice cooker according to Embodiment 1 of the present invention.
FIG. 2 is a perspective view showing an appearance of the rice cooker according to Embodiment 1 of the present invention.
1 and 2, the rice cooker in the present embodiment has a rice cooker main body 1 that is open at the top and accommodates the inner pot 4 inside, and a rice cooker main body 1 that has a rear end portion via a hinge portion 14. A lid 13 that covers the upper part of the rice cooker body 1 so as to be openable and closable, and an illumination means 20 that is provided on the inner surface of the lid body 13 and illuminates the inside of the inner pot 4 housed in the rice cooker body 1; Lid opening / closing detection means 24 for detecting opening / closing of the lid 13 is provided.

  The rice cooker body 1 includes a side case 1a and a lower case 1b. An inner heat shield 2 formed integrally with the rice cooker body 1 is provided inside the rice cooker body 1. A body heater 3 that is energized and heated during rice cooking and heat retention is closely attached to the outer periphery of the inner heat shield plate 2.

In the rice cooker body 1, an inner pot 4 having a flange 4a at the upper end is accommodated. In the inner pot 4, rice, water or the like is put and cooked.
A synthetic resin coil base 5 is provided from the bottom of the inner hook 4 to a part of the side. On the outer surface of the coil base 5, heating means 6 made of an electromagnetic induction coil that generates an alternating magnetic field by energization and induction-heats the inner hook 4 is attached. The upper part of the coil base 5 is in contact with the inner heat shield plate 2 to form an inner pot accommodating portion.
In the present embodiment, the case of induction heating by an electromagnetic induction coil will be described, but the present invention is not limited to this. For example, an electric heating device may be used as the heating means 6.

  In the rice cooker body 1, a control board 9 including a control unit 30 (described later) and a cord reel 10 for supplying commercial power are further provided. In addition, on the front side of the rice cooker main body 1, an operation unit 12 that houses the operation substrate 11 is provided.

A lid 13 is attached to the rice cooker body 1 by a hinge portion 14 so as to be freely opened and closed, and is always biased to the open side by a hinge spring.
The lid body 13 includes an upper lid 15 and a lower lid 16. A container 17 is detachably attached to the upper lid 15.
The lower lid 16 is detachably mounted with an inner lid 18 that closes the opening of the inner pot 4 when the upper portion of the rice cooker body 1 is closed.
The inner lid 18 is fitted with a lid packing 18 a that presses against the flange 4 a of the inner hook 4 when the lid body 13 is closed to seal the opening of the inner hook 4.

The front end portion of the lower lid 16 (on the side opposite to the hinge portion 14) has a substantially L-shape consisting of a bent portion 16a bent on the side opposite to the upper lid 15 and a horizontal portion. The lower lid 16 is provided with a locking portion 16b.
When the lid 13 is closed, the tip of the lower lid 16 is fitted into the fitting recess 16c of the rice cooker main body 1, and the latching portion 16b is locked by the latch mechanism provided in the rice cooker main body 1, The lid 13 is locked in a closed state.
As a result, the lid packing 18 a provided on the inner lid 18 is in close contact with the flange 4 a of the inner hook 4 to securely seal the opening of the inner hook 4.

The illumination means 20 is constituted by, for example, an LED lamp. The illumination means 20 is provided at the tip of the lid 13. As a result, when the lid 13 is opened, the illumination means 20 is positioned above the lid 13 and the inner hook 4 can be illuminated over a wide range.
Further, the illumination means 20 is provided in a portion other than the inner lid 18 in the lower lid 16 which is the inner surface of the lid body 13. For example, it is provided at the bent portion 16 a at the tip of the lower lid 16. Thereby, when the lid 13 is closed, the illumination means 20 is arranged outside the inner pot 4 (rice cooking chamber) closed by the inner lid 18. For this reason, the illumination means 20 is not exposed to the high heat and high humidity environment by rice cooking.
In order to reduce the blocking of the illumination light by the inner lid 18, it is desirable that the illuminating means 20 be installed as far as possible from the inner lid 18.
In addition, the installation position of the illumination means 20 is not restricted to this. You may make it set suitably by the shape of the cover body 13, the position of the latching | locking part 16b, etc. FIG.

The hinge part 14 of the rice cooker body 1 is provided with a lid opening / closing detection means 24 for detecting the open state and the closed state of the lid 13.
The lid opening / closing detection means 24 detects the open state of the lid 13 when the lid 13 is opened at a certain angle or more with respect to the rice cooker body 1.
The lid opening / closing detection means 24 is constituted by, for example, a micro switch including a mechanical contact switch.
For example, as shown in FIG. 1, the lid opening / closing detection means 24 is installed on the upper portion of the hinge portion 14 of the rice cooker body 1. When the lid body 13 is opened by a certain angle or more, the contact point of the lid body opening / closing detection means 24 is pushed down by the pressing portion 24b provided below the lower lid 16 (on the hinge portion 14 side). Detect open state. Further, when the lid body 13 is closed below a certain angle, the contact of the lid body opening / closing detection means 24 is opened, and the closed state of the lid body 13 is detected.
An arbitrary angle can be set as the fixed angle for detecting the open state and the closed state. For example, the angle of the lid 13 with respect to the rice cooker body 1 is set to approximately 90 °.

  The installation position of the lid opening / closing detection means 24 is not limited to this. For example, you may arrange | position in the fitting recessed part 16c of the rice cooker main body 1, and may make it a contact be pressed down when the cover body 13 is closed.

  In the first embodiment, the case where a micro switch is used as the lid opening / closing detection means 24 will be described. However, the present invention is not limited to this, and can detect the open state and the closed state of the lid 13. If it is good. For example, a reed switch that operates by magnetic force may be provided in the rice cooker main body 1 and a magnet may be provided on the lid body 13 side to detect the open state and the closed state of the lid body 13.

The operation unit 12 is an operation panel, and by receiving an input operation using a button or the like, performs rice cooking, reserved rice cooking, heat insulation, and the like, and inputs settings such as a change in the type of rice cooking to the control unit 30.
In addition, the user can confirm the state by displaying the setting state and the driving state on the display unit 12a provided on the operation panel.
The display means 12a is constituted by a liquid crystal panel, for example. Note that the present invention is not limited to this, and other means such as display using a light emitting element may be used.

FIG. 3 is a control block diagram of the rice cooker according to Embodiment 1 of the present invention.
In FIG. 3, the control means 30 is constituted by a microcomputer or the like. The control means 30 receives setting information from the operation unit 12 and detection information from a temperature sensor (not shown), etc., and based on these information, drives and controls an inverter circuit (not shown) to supply the heating means 6. The rice cooking process is carried out by controlling energization.
Moreover, the control means 30 displays the information of a driving | running state and a setting state, such as the information regarding a rice cooking process, for example on the display means 12a.
Further, the control unit 30 turns on / off the lighting unit 20 by turning on / off the power to the lighting unit 20 according to the detection state of the lid opening / closing detection unit 24.

[Operation]
Next, lighting and extinguishing operations of the illumination unit 20 in the first embodiment will be described.
When the lid 13 is in the closed state, the micro switch of the lid opening / closing detection unit 24 is not pressed, and the lid opening / closing detection unit 24 detects the closed state of the lid 13.
When the detection state of the lid opening / closing detection unit 24 is in the closed state, the control unit 30 cuts off the power supply to the illumination unit 20 and turns off the illumination unit 20.

When the latch mechanism of the rice cooker body 1 is released by the operation of the user and the locking of the lid body 13 is released, the lid body 13 is opened by the biasing force of the hinge spring.
When the lid 13 is opened to approximately 90 °, the micro switch of the lid opening / closing detection means 24 is pressed by the pressing portion 24b provided in the lower lid 16 to detect the open state of the lid 13. .
When the detection state of the lid opening / closing detection unit 24 is in the open state, the control unit 30 energizes the illumination unit 20 to turn on the illumination unit 20.

When the lid 13 is closed again by the user's operation, the micro switch of the lid opening / closing detection means 24 is opened, and the lid opening / closing detection means 24 detects the closed state of the lid 13.
When the detection state of the lid opening / closing detection unit 24 is in the closed state, the control unit 30 cuts off the power supply to the illumination unit 20 and turns off the illumination unit 20.

  In this manner, the illumination unit 20 can be turned on or off according to the open state and the closed state of the lid 13.

[effect]
As described above, in the present embodiment, the illumination unit 20 is turned on or off according to the detection state of the lid opening / closing detection unit 24. For this reason, the user does not need to perform a switch operation or the like to turn on or turn off the illumination means 20. Therefore, there is no need to perform troublesome operations, and usability can be improved.
In particular, when lighting is necessary, such as when the surroundings of a rice cooker are dark, this effect is remarkable because a switch operation for lighting lighting is unnecessary.
Further, since the illumination unit 20 is turned off when the lid 13 is closed, unnecessary power consumption can be prevented due to the user forgetting to turn it off.

  The lid opening / closing detection means 24 detects the open state of the lid 13 when the lid 13 is opened at a certain angle or more with respect to the rice cooker body 1. For this reason, it becomes possible to light the illumination means 20 in the state in which the irradiation angle of the illumination means 20 with respect to the inner hook 4 becomes a desired angle. Therefore, for example, the illumination unit 20 can be prevented from being turned on in a state where no illumination is required, for example, the lid 13 is in a half-open state. Thereby, unnecessary power consumption can be prevented.

  Moreover, since the illumination means 20 was provided in the front-end | tip part of the cover body 13, if the cover body 13 is open | released, the illumination means 20 will be located above the cover body 13, and illuminates the inner pot 4 in a wide range. It becomes possible.

Moreover, since the illumination means 20 was provided in parts other than the inner lid 18 among the inner surfaces of the lid body 13, when the lid body 13 was closed, the inner pot 4 (rice cooking chamber) closed by the inner lid 18 was used. The illumination means 20 will be arranged outside. For this reason, the illumination means 20 is not exposed to the high heat and high humidity environment by rice cooking.
Thereby, failure generation of the illumination means 20 can be reduced and durability can be improved. In addition, it is not necessary to provide a protective member such as a lamp case or a window cover to withstand a high heat or high humidity environment, the number of parts can be reduced, cost can be reduced, and manufacturing workability can be improved. it can.

  In the first embodiment, the energization of the illumination unit 20 is controlled by the control unit 30, but the present invention is not limited to this. For example, the power supplied to the illumination unit 20 may be directly turned on / off by the micro switch of the lid opening / closing detection unit 24.

Embodiment 2. FIG.
In this Embodiment 2, the form which makes the illumination means 20 light according to the open / close state of the cover body 13 and the brightness around the rice cooker will be described.

[Constitution]
FIG. 4 is a control block diagram of the rice cooker according to Embodiment 2 of the present invention.
As shown in FIG. 4, the rice cooker according to the second embodiment includes illuminance detection means 31 in addition to the configuration of the first embodiment.
Other configurations are the same as those in the first embodiment (FIGS. 1 to 3), and the same portions are denoted by the same reference numerals.

Illuminance detection means 31 is arranged, for example, in the rice cooker body 1. The illuminance detection means 31 detects the brightness of the surrounding area where the rice cooker is installed, and outputs a voltage proportional to the surrounding brightness in a range of 0 lx (lx: lux) to 100 lx or more, for example.
The “illuminance detection means 31” corresponds to the “light detection means” in the present invention.

The control means 30 in the present embodiment receives the voltage from the illuminance detection means 31.
Moreover, the microcomputer which comprises the control means 30 has a comparator which compares whether the input voltage is below the voltage equivalent to predetermined brightness (for example, 30 lx). And the control means 30 performs on-off control of the illumination means 20 by the operation | movement mentioned later based on the comparison result of a comparator.

[Operation]
FIG. 5 is a flowchart showing the operation of the rice cooker according to Embodiment 2 of the present invention.
Hereinafter, the lighting and extinguishing operations of the illumination means 20 in the second embodiment will be described with reference to FIG.

(S101)
The lid opening / closing detection means 24 detects the open state and the closed state of the lid 13 as in the first embodiment.
The control unit 30 determines whether or not the detection state of the lid opening / closing detection unit 24 is an open state. If not open, the process proceeds to step S104.

(S102)
On the other hand, when determining that the lid 13 is in the open state, the control unit 30 determines whether or not the brightness detected by the illuminance detection unit 31 is equal to or less than a predetermined value. This determination is made, for example, by comparing whether or not the voltage value corresponding to the illuminance of the illuminance detection unit 31 is equal to or less than a voltage value corresponding to a predetermined brightness (for example, 30 lx) by the comparator of the control unit 30. Do.
If the ambient brightness is not less than or equal to the predetermined brightness, the control means 30 proceeds to step S104.

(S103)
On the other hand, when it is determined that the ambient brightness is equal to or lower than the predetermined brightness, the control unit 30 energizes the lighting unit 20 to turn on the lighting unit 20.
Thereafter, the process returns to step S101, and the above operation is repeated.

(S104)
When the lid 13 is not in the open state, or when the surrounding brightness is not equal to or lower than the predetermined brightness, the control unit 30 cuts off the power supply to the lighting unit 20 and turns off the lighting unit 20.
Thereafter, the process returns to step S101, and the above operation is repeated.

  Thus, when the open state of the lid body 13 is detected by the lid body opening / closing detection means 24 and the brightness detected by the illuminance detection means 31 is not more than a predetermined value, the illumination means 20 can be turned on. Become.

[effect]
As described above, in the present embodiment, the illuminance detection unit 31 that detects the brightness of the surroundings is provided, the open state of the lid 13 is detected by the lid opening / closing detection unit 24, and the detection is performed by the illuminance detection unit 31. When the brightness is less than a predetermined value, the illumination means 20 is turned on. For this reason, when the circumference | surroundings of a rice cooker become bright and illumination is unnecessary, even if the cover body 13 is an open state, it can avoid lighting the illumination means 20. FIG. Thereby, unnecessary power consumption can be prevented.

  In the present embodiment, the illumination unit 20 is turned on or off according to the ambient brightness. In addition, the illuminance of the illumination unit 20 is changed according to the ambient brightness. May be. For example, the illuminance of the illumination unit 20 may be increased as the illuminance of the surrounding brightness decreases. Thereby, further unnecessary power consumption can be prevented.

Embodiment 3 FIG.
In the third embodiment, a mode in which the illumination unit 20 is turned on according to the open / close state of the lid 13 and the current time will be described.

FIG. 6 is a control block diagram of the rice cooker according to Embodiment 3 of the present invention.
As shown in FIG. 6, the rice cooker according to the third embodiment includes a time measuring means 32 in addition to the configuration of the first embodiment.
Other configurations are the same as those in the first embodiment (FIGS. 1 to 3), and the same portions are denoted by the same reference numerals.

The time measuring unit 32 detects the current time and inputs information on the current time to the control unit 30. The time measuring means 32 is configured by, for example, an RTC (Real Time Clock) or the like, and is provided on the control board 9.
The “time measuring means 32” corresponds to the “time detecting means” in the present invention.

In the present embodiment, the control means 30 receives the current time information from the time measuring means 32.
In addition, information on a predetermined time zone in which illumination is necessary is stored in advance in the microcomputer constituting the control unit 30. As a time zone in which this illumination is necessary, a time zone from the evening to the next morning, for example, between 18:00 and 6 o'clock is set. And the control means 30 performs on-off control of the illumination means 20 by the operation | movement mentioned later based on the information of the present time and the memorize | stored predetermined time slot | zone.

[Operation]
FIG. 7 is a flowchart showing the operation of the rice cooker according to Embodiment 3 of the present invention.
Hereinafter, the lighting and extinguishing operations of the illumination means 20 in the third embodiment will be described with reference to FIG.

(S201)
The lid opening / closing detection means 24 detects the open state and the closed state of the lid 13 as in the first embodiment.
The control unit 30 determines whether or not the detection state of the lid opening / closing detection unit 24 is an open state. If not open, the process proceeds to step S204.

(S202)
On the other hand, when determining that the lid 13 is in the open state, the control unit 30 determines whether or not the current time detected by the time measuring unit 32 belongs to a predetermined time zone. This determination is made, for example, based on whether or not the current time from the time measuring means 32 is included in a predetermined time zone (for example, 18:00 to 6 o'clock) stored in the control means 30 in advance.
If the current time does not belong to the predetermined time zone, the control means 30 proceeds to step S204.

(S203)
On the other hand, when it is determined that the current time belongs to the predetermined time zone, the control unit 30 energizes the lighting unit 20 to turn on the lighting unit 20.
Thereafter, the process returns to step S201, and the above operation is repeated.

(S204)
When the lid 13 is not in the open state, or when the current time does not belong to the predetermined time zone, the control unit 30 cuts off the power supply to the lighting unit 20 and turns off the lighting unit 20.
Thereafter, the process returns to step S201, and the above operation is repeated.

  As described above, when the open state of the lid body 13 is detected by the lid body opening / closing detection means 24 and the current time detected by the timing means 32 belongs to a predetermined time zone, the illumination means 20 can be turned on. It becomes.

[effect]
As described above, in the present embodiment, the clock means 32 for detecting the current time is provided, the open state of the lid body 13 is detected by the lid body opening / closing detection means 24, and the current time detected by the timer means 32. , The lighting means 20 is turned on. For this reason, the illumination means 20 can be prevented from being lit even when the lid 13 is in an open state, for example, during a time period in which illumination is not required, such as a daytime period. Thereby, unnecessary power consumption can be prevented.

  In the present embodiment, the case where information on a predetermined time zone is stored in advance in the control unit 30 has been described. However, the present invention is not limited to this, and the predetermined time zone may be changeable. Further, the current date may be detected by the clock means 32, and a predetermined time zone may be changed according to the date. For example, a predetermined time zone may be set from 17:00 to 7:00 during the winter season, and a predetermined time zone may be set from 19:00 to 5:00 during the summer season. Thereby, further unnecessary power consumption can be prevented.

Embodiment 4 FIG.
In this Embodiment 4, the form which lights the illumination means 20 according to the open / close state of the cover body 13, the brightness around the rice cooker, and the current time will be described.

[Constitution]
FIG. 8 is a control block diagram of the rice cooker according to Embodiment 4 of the present invention.
As shown in FIG. 8, in addition to the configuration of the first embodiment, the rice cooker according to the fourth embodiment includes the illuminance detection means 31 in the second embodiment, and the time measuring means 32 in the third embodiment. It has.
Other configurations are the same as those in the first to third embodiments, and the same portions are denoted by the same reference numerals.

The control means 30 in the present embodiment receives the voltage from the illuminance detection means 31. Further, the control means 30 receives the current time information from the time measuring means 32.
Further, the microcomputer constituting the control means 30 has a comparator for comparing whether or not the input voltage is equal to or lower than a voltage corresponding to a predetermined brightness, as in the second embodiment. Further, as in the third embodiment, information on a predetermined time zone in which illumination is necessary is stored in advance.

[Operation]
FIG. 9 is a flowchart showing the operation of the rice cooker according to Embodiment 4 of the present invention.
Hereinafter, the lighting and extinguishing operations of the illumination unit 20 according to the fourth embodiment will be described with reference to FIG.

(S301)
The lid opening / closing detection means 24 detects the open state and the closed state of the lid 13 as in the first embodiment.
The control unit 30 determines whether or not the detection state of the lid opening / closing detection unit 24 is an open state. If not open, the process proceeds to step S305.

(S302)
On the other hand, when determining that the lid 13 is in the open state, the control unit 30 determines whether or not the brightness detected by the illuminance detection unit 31 is equal to or less than a predetermined value. This determination is performed by the same operation as in the second embodiment.
If the ambient brightness is not less than or equal to the predetermined brightness, the control means 30 proceeds to step S305.

(S303)
On the other hand, when it is determined that the ambient brightness is equal to or lower than the predetermined brightness, the control unit 30 determines whether or not the current time detected by the time measuring unit 32 belongs to a predetermined time zone. This determination is performed by the same operation as in the third embodiment.
If the current time does not belong to the predetermined time zone, the control means 30 proceeds to step S305.

(S304)
On the other hand, when it is determined that the current time belongs to the predetermined time zone, the control unit 30 energizes the lighting unit 20 to turn on the lighting unit 20.
Thereafter, the process returns to step S301, and the above operation is repeated.

(S305)
When the lid 13 is not in the open state, when the ambient brightness is not less than or equal to the predetermined brightness, or when the current time does not belong to the predetermined time zone, the control unit 30 cuts off the energization to the illumination unit 20, The illumination means 20 is turned off.
Thereafter, the process returns to step S301, and the above operation is repeated.

  As described above, when the open state of the lid body 13 is detected by the lid body opening / closing detection means 24, the brightness detected by the illuminance detection means 31 is equal to or less than a predetermined value and the current time detected by the timing means 32. When the time belongs to a predetermined time zone, the illumination unit 20 can be turned on.

[effect]
As described above, in the present embodiment, when the open state of the lid body 13 is detected by the lid body opening / closing detection means 24, the brightness detected by the illuminance detection means 31 is equal to or less than a predetermined value, and the time is measured. When the current time detected by the means 32 belongs to a predetermined time zone, the illumination means 20 is turned on. For this reason, when the periphery of the rice cooker is bright and illumination is unnecessary, or in a time zone where illumination is assumed to be unnecessary, for example, during the daytime, even if the lid 13 is open, the illumination means It is possible not to light 20. Thereby, unnecessary power consumption can be prevented.

  In addition, in the structure of the said Embodiment 1-4, when drawing the water level line and character which show the amount of water corresponding to the amount of rice on the inner surface of the inner pot 4, you may make it use a fluorescent paint. Thereby, it becomes possible to make a water level line and a character easier to see by the illumination of the illumination means 20.

  DESCRIPTION OF SYMBOLS 1 Rice cooker main body, 1a Side case, 1b Lower case, 2 Inner heat shield plate, 3 Body heater, 4 Inner pot, 4a Flange, 5 Coil stand, 6 Heating means, 9 Control board, 10 Code reel, 11 Operation board, 12 Operation part, 12a Display means, 13 Cover body, 14 Hinge part, 15 Upper cover, 16 Lower cover, 16a Bending part, 16b Locking part, 16c Fitting recessed part, 17 Snake container, 18 Inner cover, 18a Cover packing , 20 Illumination means, 24 Lid opening / closing detection means, 24b pressing part, 30 control means, 31 illuminance detection means, 32 timing means.

Claims (5)

A rice cooker body with an open top and an inner pot inside;
A rear end is attached to the rice cooker body via a hinge part, and a lid that covers the upper part of the rice cooker body so as to be freely opened and closed,
Illumination means provided on the inner surface of the lid, and illuminates the inside of the inner pot stored in the rice cooker body;
A lid closing detecting means for detecting the opening and closing of the lid,
Time detection means for detecting the current time;
With
Open state of the lid by the lid opening detecting means is detected, and, when the current time detected by the time detection means belongs to a prescribed time zone, and characterized in that lit point the illumination means Rice cooker. The lid opening / closing detection means includes
2. The rice cooker according to claim 1, wherein when the lid is opened at a certain angle or more with respect to the rice cooker body, the open state of the lid is detected. The rice cooker according to claim 1 or 2, wherein the illumination means is provided at a tip of the lid. The lid has an inner lid that closes the opening of the inner pot when the lid closes the upper part of the rice cooker body,
The said illumination means was provided in parts other than the said inner cover among the inner surfaces of the said cover body, The rice cooker in any one of Claims 1-3 characterized by the above-mentioned. Equipped with light detection means for detecting ambient brightness,
2. The illumination unit is turned on when the open state of the lid is detected by the lid opening / closing detection unit and the brightness detected by the light detection unit is a predetermined value or less. Rice cooker in any one of -4.

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