JPH01185220A - Electric cooking device - Google Patents

Abstract

PURPOSE:To contrive a cooking device main unit in its miniaturization while improving convenience of use by constituting a reserved timer and a cooking timer of a single timer unit. CONSTITUTION:A timer unit 28 is stored in a chamber location 27 and fixedly screwed to a front case 25, and the timer unit 28, in which a user presets the rice boiling start time, interrupts power to a heater 9 during time counting and electrifies the heater 9 performing rice boiling action ending the preset time. A function as a reserved timer 36 and a function as a cooking timer, presetting the cooking time, performing electrification to the heater 9 during time counting and interrupting the electrification to the heater after ending the preset time, are provided. By using these reversed timer 36 and cooking timer, a single set of electric cooking device main unit enables rice boiling to be automatically started after ending the preset time while cooking to be automatically ended after ending the preset time. By providing the two timer functions, convenience of use improves.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to an electric cooker having a rice cooking function and a cooking function such as grilling or stewing cooking.

(b) Conventional technology A single cooker (electric pot) for cooking rice, stews other than rice, yakisoba, etc.
It is disclosed in Publication No. 3. This prior art uses a switch to switch between heaters with different calorific values depending on the purpose of rice cooking or cooking, or inserts a thermostat into the heater. There was no way to set the cooking time according to the food being cooked, making it very inconvenient to use. For this reason, for example, Japanese Utility Model Publication No. 58-23299, which has a rice cooking function ←÷10 girls, is provided with a time switch that sets the rice cooking start time in advance and energizes the heater after the set time ends.

However, as mentioned above, when it comes to cooking such as cooking rice and stewing with a single cooker, there is no one that is equipped with a reservation timer to set the rice cooking start time and a cooking timer to set the cooking end time, making it inconvenient to use. It was something.

(c) Problems to be Solved by the Invention The present invention includes a reservation timer and a cooking timer in one timer device, thereby improving usability and reducing the size of the cooking device itself.

(d) Means for Solving the Problems The present invention provides a reservation timer that sets the rice cooking start time in advance, performs '741i on the heater during timing, and performs the rice cooking operation by energizing the heater after the set time ends, and pre-cooking. The device is equipped with a cooking timer for setting the time and energizing the heater during timing and shutting off the heater after the set time has elapsed, and the reservation timer and the cooking timer are constituted by one timer device.

(E) By using the action reservation timer and cooking timer, it is possible to automatically start cooking rice after the preset time has elapsed using one electric cooker, and also to automatically start cooking rice after the preset time has elapsed. You can finish cooking. Having two timer functions makes it easy to use. In particular, since the reservation timer and the cooking timer are configured as a single timer device, not only the wiring becomes simple, but also the space occupied by a portion of the timer is reduced, so that the cooking device itself can be made smaller.

(f) Example Embodiments of the present invention will be described based on the drawings.

1 to 4 show structural diagrams.

(1) is a frame made of synthetic resin with a large-diameter circular hole (2) on the negative side, and the diameter (σ) of the circular hole (2) is side wall < H).
The size is set to be larger than half the height (H/2). This is because the diameter (1) of the dial (32), which will be described later, is set to be larger than half the height (H/2) of the side wall (H). This increases the diameter of the dial (32), which will be described later, to make its rotation smoother and to reduce the exposed surface of the side walls of the frame above and below the dial, thereby emphasizing the dial part and making it visible. It has improved sex. (3) is a bottomed outer pot housed in the framele (1), and a heat-retaining heater (4) is wrapped around and fixed to the upper part of the outer wall. (5) is a frame cover that fixes the upper periphery of the frame (1) and the outer pot (3), and the outer periphery has a flange (6) that protrudes from the side wall of the frame (1), and the inner upper surface of the flange (6) is provided on the outer periphery. forms a placement rear part (7). (8) is a heating plate fixed to the inner bottom of the outer pot (3), and is a heater for cooking rice (
9) is buried. (10) is a heat sensitive body provided at the inner bottom of the outer pot (3), and (11) is an operating portion provided on the outer wall of the frame (1) near the circular hole (2), and a spring ( 12) Rice cooking button (14) and warming button (15) inserted with (13) and energized so as to always protrude outward.
) is set up. (16) connects one end to the heat sensitive body (10)
The switch lever (17) interposed between the rice cooking button (15) and the other end thereof is connected to the rice cooking button (15), and the switch lever (17) is a metal fitting that pivotally supports the switch lever;
16) is a changeover switch that is activated by the movement of the switch, and has a movable contact (18a), a first contact (18h), and a second contact (18c) as shown in FIG. An inner pot is housed in the pot (3), (20) is an inner lid that fits over the opening of the inner pot, and (21) is a lid provided above the inner pot (one). (22) is a heat retention temperature control controller (23) attached to the outer wall of the outer pot (3), and is a back plate that covers the bottom of the frame (1), and (24) is a cord winding device.

(25) is a front case that fits into the circular hole (2), (26
) is a back case that engages with the front case to form a space (27), and (28) is a timer device stored in the white space of the space (27) and fixed to the front case (25). The user sets the rice cooking start time in advance, and while the time is being counted, the heater (9) is shut off, and after the set time is over, the heater (9) is energized to perform the rice cooking operation. It has the function of a reservation timer and the function of a cooking timer that sets a cooking time in advance, energizes the heater (9) during the investigation, and cuts off the energization to the heater after the set time is over. This timer device (28) has a timer motor (
29), a movable contact (30a), a first contact (30b), a first contact (30b) and a second contact (30c).
The switch (30), the movable contact <31a> and the first contact (
31b) and a second contact (31C), a movable contact (31,a) and a first contact (Blb
) and a second switch (3
It consists of 1). (32) is the table case 5 above.
) and whose outer periphery extends from the outer periphery of the front case (25) to the outer periphery of the front case (25).
The dial has a display panel (35) whose entire surface is transparent and has colored hands (34), and when rotated, the movable contacts (30a>, (30a) of the first and second switches (30), (31) 31a) is moved.

The display panel (35) is equipped with a heater (
9) Starting from the "on" position, which applies electricity to
The display section (36) of the reservation timer that sets the rice cooking start time up to the time, and the power cut to the heater (9) from the above-mentioned "r on" position [in the direction of arrow B in Figure 4 across the off j position ( A cooking timer display section (37) is provided which sets the cooking time up to 3 hours from [3] to "1" (counterclockwise) and turns off the power to the heater (9) at T□.

Therefore, the indicator < 34) is set on the display section (36) of the reservation timer.
Turn to the side to set the rice cooking start time and press the rice cooking button (14)
When operated, the pointer (34) moves in the direction of arrow B in FIG. 4 due to the dialing operation. Further, when the cooking time is set by rotating the pointer (34) toward the cooking timer display section (37) in the direction of arrow B, the pointer (34) moves in the direction of arrow B similarly to the reservation timer side due to the timing operation.

(38), (39), (40) are timer devices (28)
A timer lamp that lights up while the rice is being counted, a rice cooking lamp that lights up while the rice is being cooked, and a heat retention lamp that lights up while the rice is being kept warm.

Next, the electric circuit diagram shown in FIG. 5 will be explained. <4
1a) and (41b) are AC power supply terminals, one power supply terminal (
41,a> is the movable contact (18) of the changeover switch (18)
a) is connected to the heat retention lamp (40) and the resistor (42), and the other power terminal (4, 1b) is connected to the timer lamp (38), timer motor (2) and heater (9) via the temperature fuse (43). ) is connected to one end of the rice cooker lamp (39). The first contact (18b) of the switching switch (18) is connected to the movable contact (30a) of the first switch (30),
The second contact (18c) is connected to the controller (22).

The first contact (30b) of the first switch (30) is connected to the other end of the timer lamp (38) and the timer motor (29), and 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).
31C) is connected to one end of the heat retention heater (4), the resistor (42), and the connection portion of the heat retention lamp (40). The other end of the heat retainer (4) is connected to a controller.

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, and as shown in FIG. 6, the movable contact D of the first switch (30)
Oa) is the first contact (130b) and the second contact (30c
), and the movable contact (31a) of the second switch (31) is similarly connected to the first contact (31b> and the second
Not connected to any of the contacts (BIC).

When cooking rice without using the function as a reservation timer, rotate the dial (32) to set the pointer (34) to the "1 person" position, press the rice cooking button (14), and press the movable contact (18a) of the switch (18). ) is connected to the first contact (18b), and the movable contact (Boa) of the first switch (30) is connected to the second contact (
30C) and energize the heater (9), then turn the inner pot (19) on.
When the rice cooking is completed, the heat sensitive element (10) works and moves the switch lever (16) to switch the changeover switch (18).
) is connected to the movable contact (1, 8a) or the second contact (18c), the power supply to the heater (9) is cut off, and the heat retention lamp (40) is turned on. The temperature of the inner pot (19) is 70C.
When the temperature is below, the controller (22) is turned on and the heat retainer (22) is turned on.
In step 4), electricity is applied and the process moves to the heat retention process.

If you want to start cooking rice by energizing the heater (9) after a predetermined period of time, for example 8 hours, turn the dial (32) to the 4th position.
Rotate in the direction of the arrow in the figure to set the pointer (34) to the [8] position, press the rice cooking button (14), and connect the movable contact (18a) of the changeover switch (18) to the first contact (18b) side. do.

At this time, the first switch (
The movable contact (30a) of 30) is connected to the first contact (30a), and the timer motor (29) is energized to start timing operation, and the pointer (34) of the dial (32) moves in the direction of arrow B in Figure 4. It rotates to display the remaining time until the rice cooking starts, 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 (30c) of the first switch (30) are connected, the rice cooking lamp (39) lights up, and the heater (9) The inner pot (19) is heated and the rice is cooked.

At this time, the movable contact (Baa) of the second switch (31>) is connected to the second contact (31c'). When the rice cooking is completed, the process moves to the warming process in the same manner as described above.

Next, when cooking simmered dishes, etc., the type of food to be cooked,
Rotate the dial (32) according to the amount and cooking content, rotate the pointer (34) from the "off" position in the direction of arrow B in Figure 4, set the cooking time, for example "3", and press the rice cook button. The movable contact (30a) of the first switch (30) is connected to the first contact (30b) and the timer motor <29)
starts timing operation, and the timer lamp (38) lights up. And the movable contact of the second switch (31)
31a) 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 motors (two) are measuring time, the pointer (34) rotates in the direction of arrow B in Figure 4 to display the remaining time until the end of cooking.

When the timer motor (29) finishes the cooking time, the first
The movable contact (30a) of the switch (30) has first and second
Not connected to either contact (30b) or (30c),
The movable contact (31a> of the second switch (31) is also not connected to either the first or second contact (31b>, (31c), and all circuits are in the "off" state. At this time, the dial (
32) pointer (34) points to [O].

Incidentally, during the above-mentioned cooking, the timer motor (29
) during timing, if the temperature of the food to be cooked in the inner pot (19) reaches the cooking completion temperature during rice cooking (for example, when cooking with a small amount of water), the heat sensitive element (10) is activated and the heat retention process begins. ,
Prevents abnormal temperature rise of the inner pot (1) to maintain safety.

(G) Effects of the Invention As described above, the present invention has a schedule timer for the rice cooking start time and a cooking timer for the cooking time in one timer device, so that it can be used for both rice cooking and cooking. Each time can be easily set, making it easier to use and making it possible to significantly downsize the cooker itself. Furthermore,
Wiring becomes easier.

Furthermore, since the display section for the setting time of the reservation timer and the display section for the setting time of the cooking timer are arranged on the same panel, there is no need to provide two display sections.

You can instantly set the desired time for both rice cooking and cooking.

In addition, the display panel is equipped with a timer lamp that lights up depending on the set time of the reservation timer or cooking timer, and a rice cooking lamp that lights up when rice is being cooked, so it is possible to immediately determine whether the setting is for rice cooking or for cooking. . Since the set times for the reservation timer and the cooking timer are set using the same dial, there is no need to use multiple dials, and the number of parts exposed on the outside of the cooker body is minimized.

In addition, the display panel has a reservation timer display section on one side and a cooking timer display section on the other side with the "1 off" position on the display panel, so you can easily set the set time for both rice cooking and cooking. Even so, there is no need to rotate the dial extra, and the surface of the display panel can be used effectively.

In addition, in the setting time display section of each of the reservation timer and cooking timer, no matter which timer is set, the pointer provided on the dial moves in the same direction as the set time is measured to display the remaining time. Therefore, the remaining time of each timer can be read accurately without misunderstanding, and there is no need to provide a complicated reversing mechanism in the timer device.

[Brief explanation of the drawing]

Fig. 1 is a front view of the electric cooking appliance of the present invention, Fig. 2 is a sectional view thereof, Fig. 3 is a partial sectional view, Fig. 4 is a front view of the display panel and dial, and Fig. 5 is an electric circuit diagram. FIG. 6 is a time chart showing the connection states of the movable contacts of the first switch and the second switch and their respective contacts, and the lighting states of the timer lamp, rice cooking lamp, and heat retention lamp. (1)・・・・Frame (9)・・・・・・・
... Heater (18) ...... Selector switch (28) ... 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)・・・・−・−・Warming lamp Applicant: 1 person other than Sanyo Electric Co., Ltd.

Claims (6)

[Claims] (1) There is a reservation timer that sets the rice cooking start time in advance and shuts off the heater while it is timing, and then energizes the heater to perform the rice cooking operation after the set time ends. and a cooking timer that cuts off the power to the heater after the set time has elapsed.
An electric cooker characterized in that the reservation timer and the cooking timer are configured by one timer device. (2) The electric cooking appliance according to claim 1, wherein a display section for displaying the set time of the reservation timer and a display section for displaying the set time of the cooking timer are arranged on the same display panel. (3) The display panel is provided with at least a timer lamp that lights up when a set time of a reservation timer or a cooking timer is set, and a rice cooking lamp that lights up when rice is cooked. electric cooker. (4) The electric cooker according to claim 1, wherein the setting times of the reservation timer and the cooking timer are set using the same dial. (5) The display panel is provided with an "off" position in which the timer device is activated by operating a dial to cut off electricity to the heater, and a reservation timer display section is placed on one side of the display panel, sandwiching the "off" position. 3. The electric cooking device according to claim 2, further comprising a cooking timer display section provided on the other side. (6) The set time display section of each of the reservation timer and cooking timer is such that the pointer provided on the dial moves in the same direction as the set time is measured, regardless of which timer is being set. Claims 1, 2, 4, and 5 are characterized in that the remaining time is displayed.
The electric cooker described in Section 1.