JPH062096B2 - Electric cooker - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to an electric cooker provided with a dial type timer device and having a rice cooking function and a cooking function such as bake cooking or boiled cooking. .

(B) Conventional technology In the rice cookers shown in the public information of Shoko 58-23299, Shokai 62-148218, and Shoko 60-37060, the rice cooking start time is set in advance and the set time ends. A timer device for energizing the heater later is provided.

However, when it is possible to cook other than cooking rice, such as simmering, with a single cooker, the reservation timer that sets the rice cooking start time cannot be used as the cooking timer that sets the cooking end time. , It is not possible to improve usability when cooking.

Therefore, it is conceivable to provide a dial-type timer with a plurality of functions and use it.

However, in a general device with a timer device, a timer part and an indicator for displaying its operating state are arranged at different positions, and therefore, for example, the shape of the timer device is enlarged to make the display of the timer set time easy to see. In such a case, there is a problem that the timer part and the display device are separated from each other, and it becomes difficult to confirm both.

(C) Problem to be Solved by the Invention According to the present invention, a reservation timer and a cooking timer are configured by one timer device to improve usability, and
When the timer device is enlarged to make it easier to see, it is an object to make effective use of the portion occupied by the timer device to make the display of the timer and other displays easier to see.

(D) Means for Solving the Problems The present invention is to set a rice cooking start time in advance, shut off the heater during time counting, energize the heater after the set time, and perform a rice cooking operation, and a cooking timer in advance. A cooking timer is provided for energizing the heater to perform a cooking operation during time setting and time counting, and shutting off the energization to the heater after the set time is over.The reservation timer and the cooking timer are constituted by a single timer device. In the cooking device, the timer device has a configuration in which the preset time of the reserved timer and the preset time of the cooking timer are set by the same dial, and the display portions of the respective preset times are arranged on the same display panel, and the display panel is provided. , At least a timer lamp that lights up depending on the set time of the reservation timer or cooking timer, and lights up when cooking rice. The rice lamp, is constructed by providing positioned within the moving range of the dial.

(E) Since the timer timer for cooking and the timer for cooking are configured by one timer device, not only the wiring is simplified, but also the space occupied by the timer portion is reduced and the cooker body can be downsized. Further, since the timer device is configured such that the set times of the reservation timer and the cooking timer are set by the same dial and the display parts of the respective set times are arranged on the same display panel, the display parts are provided at different positions. It is not necessary, and you can set the desired time immediately in both cooking and cooking. Furthermore, the display panel is provided with at least a timer lamp that lights up depending on the set time of the reservation timer or the cooking timer and a rice cooking lamp that lights up during rice cooking. The lamp can be provided by effectively utilizing the space, and the display of the timer and the display of the lamp can be made easy to see.

(F) Example An example of the present invention will be described with reference to the drawings. 1 to 4 are structural views. (1) is a frame made of synthetic resin with a large diameter circular hole (2) on one side, the diameter () of the circular hole (2) is half the height of the side wall (H) (H / The size is set larger than 2). This is explained in the dial (3
The diameter of 2) is increased to make the rotation smoother, and the exposed surfaces of the side walls of the frame above and below the dial are reduced to emphasize the dial portion on the outside and improve visibility. . (3) is an outer pan with a bottom housed in the frame (1), and a heat insulation heater (4) is placed on the upper part of the outer wall.
Is wrapped and fixed. (5) is the frame (1) and the outer pan
(3) A frame cover for fixing the upper peripheral edge, and a flange portion (6) protruding from the side wall of the frame (1) is provided on the outer peripheral edge, and a mounting portion (7) is formed on the inner upper surface thereof. . (8) is the outer pot
A heater (9) for rice cooking and cooking is embedded in a hot plate disposed and fixed to the inner bottom of (3). (10) is a heat sensitive element provided on the inner bottom portion of the outer pot (3), (11) is an operating portion provided on the outer wall of the frame (1) near the circular hole (2), and is a spring.
(12). A rice cooking button (14) and a heat retention button (15) are provided so as to be inserted so as to always protrude outward through (12) and (13). (16) has one end connected to the heat sensitive body (10) and the other end connected to the rice cooking button (1).
5) A switch lever with an intermediate portion pivotally supported by interposing, (17)
Is a metal fitting pivotally supporting the switch lever, and (18) is a changeover switch operated by the movement of the switch lever (16),
As shown in FIG. 5, the movable contact (18a), the first contact (18b) and the second contact
It has a contact (18c).

(19) is an inner pot to be housed in the outer pot (3), (20) is an inner lid that covers the opening of the inner pot, and (21) is a lid provided above the inner pot (19). is there. (22) is a controller mounted on the outer wall of the outer pan (3) for controlling the heat retention temperature, (23) is a back plate that covers the bottom of the frame (1), and (24) is a cord winding device. .

(25) is a front case fitted into the circular hole (2), (26) is a back case engaging with the front case to form a void (27), and (28) is the void (27) With a timer device that is housed inside and fixed to the front case (25) by screwing, the user sets the rice cooking start time in advance, shuts off the heater (9) during the time measurement, and after the set time ends, the heater (9 ) To function as a reservation timer to carry out the rice cooking operation, and as a cooking timer to set the cooking time in advance and energize the heater (9) during timing and shut off the power to the heater after the set time ends. It has a function and. This timer device (28) includes a timer motor (29), a movable contact (30a), a first contact (30b) and a second contact (30c) shown in FIG. Moving contact (31
a) and a second switch (31) having a first contact (31b) and a second contact (31c). (32) is the above table case (25)
A dial with a cover (33) that is located on the front side of the and has an outer peripheral edge that extends to the outer peripheral side of the front case (25).
A display panel (35) colored with (34) is provided and the movable contact (30) of the first and second switches (30). (31) is rotated by rotation.
a). Move (31a).

As shown in FIG. 4, the display panel (35) starts from the “ON” position where the heater (9) is energized, and then the arrow A in FIG.
Reservation timer display (36) that sets the rice cooking start time up to 12 hours and "1" to "12" in the direction (clockwise)
And "3" to "1" in the direction of arrow B (counterclockwise) in FIG. 4 for a maximum of 3 hours across the "OFF" position where the heater (9) is disconnected from the "ON" position. A cooking timer display unit (37) is provided for setting the cooking time and turning off the heater (9) with "0".

Therefore, when the pointer (34) is turned toward the display part (36) of the reservation timer to set the rice cooking start time and the rice cooking button (14) is operated, the pointer (34) is timed and the arrow B in FIG. Move in the direction. When the cooking time is set by rotating the pointer (34) toward the cooking timer display (37) in the direction of arrow B, the timing operation moves in the direction of arrow B as in the case of the reserved timer.

Reference numerals (38), (39), (40) are a timer lamp that is turned on while the timer device (28) is timing, a rice cooking lamp that is turned on while cooking rice or during cooking, and a warming lamp that is turned on while warming. As shown in FIG. 4, these lamps (38) to (40) are within the range of movement of the dial (32), that is, by the display part (36) of the reservation timer and the display part (37) of the cooking timer. It is located within the enclosed area. Therefore, it is not necessary to separately provide a space for installing these lamps, and space can be saved.Because the lamps can be placed near the dial pointer (34), both can be seen at the same time. Is easier to do.

Next, the electric circuit diagram shown in FIG. 5 will be described. (41
a). (41b) is an AC power supply terminal, and one power supply terminal (41a) is a movable contact (18a) of the changeover switch (18), a heat retention lamp (40) and a resistor.
(42), the other power terminal (41b) is connected to the thermal fuse (4
3) via timer lamp (38) and timer motor (2)
It is also connected to one end of the heater (9) and the rice cooking lamp (39). The first contact (18b) of the changeover switch (18) is the first switch
Connect to the movable contact (30a) of (30), the second contact (18c) is the controller
It is connected to (22). The first contact (30) of the first switch (30)
b) is connected to the other end of the timer lamp (38) and the timer motor (29), the second contact (30c) is connected to the other end of the heater (9) and the rice cooking lamp (39), and the movable contact (30a) Is connected to the first contact (31b) of the second switch (31).

The movable contact (31a) of the second switch (31) is connected to the heater (9), the rice cooking lamp (39), and the second contact (30c) of the first switch (30), respectively. 31c) is connected to one end of the heat retention heater (4), the resistor (42), and each connection portion of the heat retention lamp (40).

The other end of the heat retention heater (4) is connected to the controller (22).

Next, the operation will be described with reference to FIGS. 5 and 6.
First, when not in use, the pointer (34) is in the "OFF" position
As shown in the figure, the movable contact (30a) of the first switch (30) is the first
Not connected to either the contact (30b) or the second contact (30c),
Similarly, the movable contact (31a) of the second switch (31) also has the first contact (31a).
It is not connected to either b) or the second contact (31c).

When cooking rice without using the function as a reservation timer, rotate the dial (32) to move the pointer (34) to the "ON" position and press the rice cooking button (14) to move the movable contact of the selector switch (18).
(18a) is connected to the first contact (18b), the movable contact (30a) of the first switch (30) is connected to the second contact (30c), the heater (9) is energized and the inner pot (19) is connected. To heat. When rice cooking is completed,
(0) works and the switch lever (16) moves and the selector switch (1
The movable contact (18a) of 8) is connected to the second contact (18c) and the heater
The power to (9) is cut off and the heat retention lamp (40) lights up. When the temperature of the inner pot (19) drops below 70 ° C, the controller (2
2) is turned on and the heat insulation heater (4) is energized to shift to the heat insulation process.

When the heater (9) is energized and rice cooking is started after a predetermined time, for example, 8 hours, the dial (32) is rotated in the direction of arrow A in FIG. 4 to set the pointer (34) to the “8” position. Then, the rice cooking button (14) is pressed to connect the movable contact (18a) of the changeover switch (18) to the first contact (18b) side.

At this time, by rotating the dial (32), the movable contact (30a) of the first switch (30) is connected to the first contact (30b) and the timer motor (29) is energized to start the timekeeping operation to start the dial (32). The pointer (34) of Fig. 4 rotates in the direction of arrow B in Fig. 4 to display the remaining time until the start of rice cooking and the timer lamp (38) lights up.

Eventually, when the set time (8 hours) ends due to the timing operation, the movable contact (30a) and the second contact (30) of the first switch (30)
c) is connected, the rice cooking lamp (39) is turned on, the heater (9) is energized, the inner pot (19) is heated, and rice cooking is started.

At this time, the movable contact (31a) of the second switch (31) is the second contact.
Connected to (31c). When the rice cooking is completed, the process proceeds to the heat retention process as described above.

Next, when cooking boiled foods,
Rotate the dial (32) according to the amount and contents of cooking and rotate the pointer (34)
4 from the “OFF” position in the direction of arrow B in FIG. 4, set a cooking time of “3”, and press the rice cooking button.
The movable contact (30a) of the switch (30) is connected to the first contact (30b), the timer motor (29) starts the time counting operation, and the timer lamp (38) lights up. Then, the second switch (3
The movable contact (31a) of 1) is connected to the first contact (31b) and the heater
(9) is energized and the rice cooking lamp (39) lights up to indicate that cooking is in progress. While the timer motor (29) is counting, the pointer (3
4) rotates in the direction of arrow B in Fig. 4 to display the remaining time until the end of cooking.

When the cooking time by the timer motor (29) is finished, the movable contact (30a) of the first switch (30) is moved to the first and second contacts (30).
b). Not connected to any of (30c), the movable contact (31a) of the second switch (31) is not connected to any of the first and second contacts (31b). (31c), and all circuits Is turned off. At this time, the pointer (34) of the dial (32) indicates "0".

By the way, during the aforementioned cooking, the timer motor (29)
If the temperature of the food to be cooked in the inner pot (19) reaches the rice cooking completion temperature during rice cooking (for example, when cooking with a small amount of water), the thermosensor (10) activates and the circuit turns off. This will prevent the abnormal temperature rise of the inner pot (19) and keep you safe.

(G) Effect of the Invention As described above, according to the present invention, since the reservation timer and the cooking timer are configured by one timer device, the wiring is simple and the space occupied by the timer portion is small, so that the cooker main body is It can be miniaturized. Further, since the timer device is configured such that the set times of the reservation timer and the cooking timer are set by the same dial and the display parts of the respective set times are arranged on the same display panel, the display parts are provided at different positions. It is not necessary, and you can set the desired time immediately in both cooking and cooking. Furthermore, the display panel is provided with at least a timer lamp that lights up depending on the set time of the reservation timer or the cooking timer and a rice cooking lamp that lights up during rice cooking. The lamp can be provided by effectively utilizing the space, and the display of the timer and the display of the lamp can be made easy to see.

Further, the display portions for the set times of the reserved timer and the cooking timer are provided at positions that do not overlap with each other, and the pointers provided on the dial are the same regardless of which timer is set, as the set time is counted. By moving in the direction to display the remaining time, the surface of the display panel can be effectively used, and the remaining time can be accurately read without misidentifying each timer while the timer device is being used. There is no need to provide a complicated reversing mechanism.

[Brief description of drawings]

1 is a front view of an electric cooker according to the present invention, FIG. 2 is a sectional view of the same, FIG. 3 is a partial sectional view, FIG. 4 is a front view of a display panel and a dial, and FIG. 5 is an electric circuit diagram. FIG. 6 is a time chart showing a connection state of the movable contacts of the first switch and the second switch and respective contacts, and lighting states of the timer lamp, the rice cooking lamp and the heat retaining lamp. (1) ... Frame, (9) ... Heater, (18) ... Changeover switch, (2
8) ... timer device, (29) ... timer motor, (32) ... dial, (34) ... pointer, (35) ... display panel, (36) ... reservation timer, (37) ... timer display, (38) )… Timer lamp, (39)… Rice cooking lamp, (40)… Heat retention lamp.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Isamu Yamazaki 3 201 Minamiyoshikata, Tottori City, Tottori Prefecture Tottori Sanyo Electric Co., Ltd. (72) Riki Shimozawa 3 201 Minamiyoshikata, Tottori City, Tottori Prefecture Sanyo Tottori Electric Co., Ltd. (72) Inventor Akio Hogimoto, 3-201 Minamiyoshikata, Tottori City, Tottori Prefecture Sanyo Electric Co., Ltd. (72) Inventor Rinko Hasegawa, 3-201 Minamiyoshikata, Tottori City Tottori Sanyo Electric Co., Ltd. (56) References: Actual Development Sho 62-148218 (JP, U) Actual Public Sho 60-37060 (JP, Y2)

Claims (2)

[Claims] 1. A reservation timer for presetting a rice cooking start time and shutting off the heater during time counting, and energizing the heater to cook rice after the set time is over, and a cooking timer preset for the heater during time counting. An electric cooker comprising a cooking timer that cuts off the power to the heater after a preset time by conducting a cooking operation by energizing, and in the electric cooker configured with the reservation timer and the cooking timer by one timer device, the timer device is: The set time of the reservation timer and the cooking timer are set by the same dial, and the display portions of the respective set times are arranged on the same display panel, and at least the reservation timer or the cooking is set on the display panel. A timer lamp that lights up by setting the set time of the timer and a rice cooking lamp that lights up when cooking rice,
An electric cooker, wherein the electric cooker is provided within a moving range of the dial. 2. The preset time display section and the cooking timer set time display section are provided at positions that do not overlap each other, and the pointer provided on the dial keeps track of the set time regardless of which timer is set. The electric cooker according to claim 1, wherein the electric cooker moves in the same direction to display the remaining time.