JPS6014027A - Elevated mount-type cooking unit - Google Patents

Abstract

PURPOSE:To improve the operability and safety of an elevated mount-type cooking unit to be mounted above such as a gas cooking unit by a method wherein an outdoor ventilation is controlled by sensing atmosphere temperature, abnormal hot atmosphere and generation of smoke during use of the gas cooking unit. CONSTITUTION:When the atmospheric temperature below the main body of an electric range 1 becomes 70-90 deg.C during cooking with a gas cooking unit 2, a first thermostat switch 16 is turned on to perform a ventilation in accordance with the prescribed program. If the atmospheric temperature becomes 90 deg.C, the second thermostat switch 17 is operated to stop the ventilation to prevent fresh air from being flown into the circumference of the cooking unit 2 and to prevent an occurance of fire etc. When the cooking unit 2 is applied to baking fishes and the atmosphere temperature shows 70-90 deg.C to generate smoke more than the prescribed volume, the first thermostat 16 and the smoke sensor are operated to perform the ventilation. Thereby, it is possible to improve an operability and a safety of the unit.

Description

[Detailed description of the invention] [B) Industrial application field The present invention relates to a high place cooking device.

Background Art Recently, in order to effectively utilize the space above heating means such as gas stoves in ordinary households, high-place cooking devices that are installed in the space above heating means such as gas stoves are becoming available on the market. Such a cooker has a built-in exhaust means for exhausting the atmosphere below to an exhaust part such as outdoors.

Here, the drive restriction of such exhaust means must be performed manually, and the operation is troublesome.

(c) Purpose of the Invention The present invention aims to improve operability and safety, based on the ambient temperature during use of other heating means such as a gas stove, and furthermore, The purpose of this invention is to automatically control outdoor exhaust, etc. based on the occurrence of smoke.

2) Structure of the Invention In order to achieve the above-mentioned object of the present invention, basically, in a high-place cooking device 3 that is installed at a high place above other cooking utensils, the main body of the cooking utensil is Exhaust means for discharging the lower air to the exhaust section and lr? Temperature detection means for detecting 5 degrees F and smoke detection means for detecting the generation of smoke below the cooking device body are provided, and when the temperature detection means is checked at a predetermined temperature, an upper V-shaft exhaust means is provided. When the temperature detection means detects an abnormally high temperature and the smoke detection means detects the generation of smoke, the exhaust means is stopped.

(First Embodiment) Hereinafter, a high place microwave oven according to an embodiment of the present invention will be explained with reference to the drawings.

In FIGS. 1 and 2, the main body of the microwave oven fi+ is installed at a high location above the gas stove (2), (2), which serves as another heating means, in order to effectively utilize the high location. Inside the main body ill is provided a multiplex range function section (3) and an exhaust device 14).

The microwave oven function unit 13) includes a heating chamber (5), a door (r3) for opening and closing the front opening of the heating chamber, a magnetron/(7) as a heating means for the microwave oven itself, and It consists of a keyboard (8) for setting the heating time required to meet the constraints of microwave heating using a magnetron, etc.

The above-mentioned exhaust system (4) has a tool (9), an intake port (stove 12 facing the river below), and an exhaust port (2) that is connected to the outdoor exhaust through the connecting duct (2). Department (J3)
Exhaust duct II leading to the microwave oven main body (1
) The atmosphere below is removed from the above exhaust duct h tta+ w w &
Exhaust fan/11 for exhausting to the outdoor exhaust section 131
51, etc.

The above duct ([Duct t14 near the intake air of 41
Outside the main body (1), a first and 'IX 2 +-moswitch ji6i- (In) is housed as a temperature detection means to check the atmospheric temperature below the main body (1). U■, wholesaler may be installed in the duct σ41 near the air intake port (101).The first thermo switch (
1G+H Turns on when a predetermined temperature, for example 70°C or higher, is detected, and the second thermo switch a, n i abnormally high temperature is activated.
For example, it is designed to turn on when a Z temperature of 90°C or higher is detected.

Historically, the filter 19) is equipped with a smoke detection means.

Figure 6 shows the details of the smoke detection means (18), and its outer frame (1) 1 cylinder (19a) and a plurality of small holes,
An opening formed in the filter (9) having 21...! It consists of a bottom plate (19b) facing 91, and the outer frame (19b)
TJ K D @η as r1 light emitting element and phototransistor (trade name) as light receiving element are arranged in the mouth so that they do not directly oppose each other. And the microwave oven body 1
1) Smoke is generated below, and if more than a certain amount of smoke is filtered (
9) opening (9) and small hole □□□ in the bottom plate (19b),
(2) Rising through (7) and reaching the vicinity where the center axes 11 and 12 of the LED (2D) and the phototransistor (2) intersect.

The light from the LED is scattered by the smoke, and a portion of it enters the phototransistor (A), which turns on the phototransistor (A) and detects smoke.

FIG. 4 shows the circuit of the microwave oven. The microwave heating circuit (a) of the microwave oven function section (3) is connected to the AC power supply via a normally closed first relay switch (24b) that is turned off when the first relay coil (24a) is energized. It is connected. In the constraint circuit, the magnetron 17),
a keyboard (8), and a micro-crossover heating control gentleman's microcomputer (a) that controls the oscillation of the magnetron (7) based on the settings from the keyboard, etc. 7)
> It is well-structured. The above power source is connected to a normally closed second relay switch (27b) that is turned on when the second relay coil (27a) is energized, and the exhaust motor is used to drive the exhaust fan. is connected, and outputs a time signal TB having the same frequency as the negative constant voltage (-6, -VD and the current power supply).
is connected.

A microcomputer 4 for controlling the entire microwave oven is provided. Such a computer (1) has many input/output terminals, and each terminal will be explained below.

The 08C1 and osc2 terminals are connected to three external oscillation circuits, and input signals of a predetermined period necessary for driving the computer.

The OT1 terminal outputs the first relay signal χ, which turns on the transistor Oz and excites the @1 relay coil (24a).

When the OT2T2 terminal 2s1/- is output, the transistor turns on and the second relay coil (27a) is excited.

The OT3T3 terminal 3 relay signal is output, and when fo turns on the transistor C3, the Aτ6 relay coil (65a)
is excited. When the third relay coil /l/ (55a) is energized, the valve (ssb) closes and gas supply from the gas supply section 9) to the gas stoves (2), 12) is stopped.
Ru.

L(asET terminal inputs initial clear signal when power is turned on.

The iNT terminal inputs signals necessary for timekeeping operation.

The BZ terminal outputs a buzzer signal, and then the transistor (
θ and (c) are turned on, and a buzzer as a notification means sounds.

This is to detect all on/off states of the buzzer switch (■) and fan switch (b) at the INI and IN2 terminals, respectively. An operation button (■) is arranged near the keyboard (8).

The first and second thermoswitches 061. are connected to the IN, 5 and IN4 terminals, respectively. [This is for detecting the on/off state of 71.

When a light emission signal is output to the LT terminal, the transistor is turned on and the above LED (c) emits light.

DT9i child u The above phototransistor (a) is LEDQ
It is used only to receive the source from υ and detect whether it is turned on or not.

Next, the operation of the microwave oven will be explained based on the flowchart of FIG. 5 showing the flow of the program of the microcomputer 4.

When the variable current power supply wire is turned on, the program advances to the 1st step. iRE at this step! The computer (2) is initialized by an initial clear signal from the sg'ri child. And the program is a key human-powered routine,
A state detection routine, a control routine, and a counter routine are executed sequentially.

First, each step of this routine will be explained.

In the key manual routine, the content of the buzzer flag BUZ in the computer cl is checked by the AIIT step AL,
In step A2, the current operating state of the buzzer switch θq is checked, and in step A6, the buzzer flag BUZ is checked.
At the same time, the 5-minute counter flag CNT5 in the computer is set. In step A4, the current operating state of the fan switch I is checked.
At step A4, press the fan switch (41).
7) It is designed not to detect successive on operations.

In step A5, set the fan flag F in ) to the computer.
When the contents of AN(, I) are accurate, the fan flag FAN is set at step A6; the fan flag FACT is reset at step A7.

Next, in the state detection routine, the on-off state of the first thermoswitch (1e) is checked in step B1, the temperature flag TEMP in the computer (7) is set in step B2, and the temperature flag TEMP in the computer (7) is set in step B6. The temperature flag TFjMP is reset. At step 84, the ON/OFF state of the second thermo switch (In) is checked, and at step B5, the buzzer flag BUZ is set.
At steps t, B6, the light emission signal starts to be output from the T and T terminals, and the LBDQυ starts to emit light. In step B7, it is checked whether or not more than a predetermined amount of smoke is generated based on the on/off state of the phototransistor.

In step B8, the smoke file 7 in the computer (7)
When the flag 5M0KB is set, the one-minute counter flag CNT1 is set, and in step B9, the LED (b) stops emitting light when the output of the light emitting signal is stopped.

Next, in the dividing line routine, the contents of the buzzer flag BUZ are changed to BUZ in step C1, and the contents of buzzer flag BUZ are changed to BUZ in step C2.
Buzzer 1g starts outputting from Z terminal η, and buzzer ■ starts sounding. At step C6, the OT3T3 terminal 6th relay signal starts outputting, the pulp (35b) opens, the gas supply to the gas stove (2) and (21) is cut off, and the gas stove +21. If there is no cooking on the +21 It is forcibly prohibited.

At step C4, the first relay signal starts to be output from the 1dOTl terminal, and the first relay switch (24b) turns off.
The power supply to the microwave heating circuit (2) is cut off,
When cooking is being done in the electronic cooking function section (3), cooking is forcibly prohibited. Smoke flag 5M0KE in C5 step! The contents of are passed to B4, and in step C6, the output of the second relay signal from the OT2 terminal is stopped.
The exhaust motor (c) causes the exhaust fan u9 to stop exhausting. At step C7, the output of the buzzer signal from the HBZ terminal is stopped, and the buzzer (■) stops sounding. At step C8, the contents of the 5-minute force untuff jig CNT5 are checked, at step C9, the contents of the temperature flag TEMP are checked, and at step C10, the smoke flag EIMOKK is checked.
The contents of n, C! In step 11, the contents of the fan flag FAN are checked. 10T in C12 steps
The second relay signal starts to be output from the second terminal, and the exhaust fan (19 starts exhausting air).

Then, in the counter routine, the contents of the 5-minute counter flag CN'T5 are checked in the DI gasp,
At step C2, 5-minute time measurement is started at 5-minute counter COUNT 5 in the computer (7), and at step C3, it is checked whether or not the 5-minute time measurement has been achieved. C4
At step OT5, the output of the third relay signal from the OT 5 electrons is stopped, and gas is supplied to the gas stoves 12) and (2), allowing cooking on the gas stoves (21 and 21).C5 In the step, the output of the first relay signal from the +10T1 terminal is stopped and power is supplied to the microwave heating circuit (microwave heating circuit).
It becomes possible to cook in At step C6, 5 minute counter flag CNT5.1 minute counter flag C, NT1, temperature flag T]! IMP and smoke flag 5M0KB are reset. In step C7, the contents of the buzzer flag BUZ are checked, and in step C8, the 1 minute counter flag C is checked.
The contents of N T 1 are examined. At step C9, one minute counter C0UNT1 starts counting one minute. still,
After each smoke detection during such timing, the smoke detection is performed only once as long as the smoke detection is performed continuously.

In the DNO step, it is determined whether or not the 1-minute time measurement has been achieved. Smoke flag 8M0KI in D11 step!
! and the one-minute counter flag CN T 1 is reset.

After the program power is turned on, each routine is executed sequentially. In this case, normally the key manual routine is iAl, A4 step, and the status detection routine is B1, B5, B4, B6, B7, B9. step,
In the graphic routine, nc 1, C7-C11, C6
Dl, B in the seven taroutines
7. C8 step, Z@next (hereinafter referred to as basic loop).

In such a situation, if you want to ventilate the room as appropriate, you can operate the fan operation button (to). That is, in the program, first, in the key manual routine, AI, A4 to A6 steps, and in the state detection routine, 81, B6, B4, B6,
87, B9 step, CI, C7 in control routine
~01, B7 in CI2 stepper 9 printer routine
, C8 steps 7I111 times, then At in the key manual routine, A4 steps, B1, B3, B4, B6, B7, B9 steps in the state detection routine, CI, 07 to CI2 steps in the collateral routine,
υ1, D7%D8 steps in the counter routine?
After 7 repetitions of Jt, the exhaust fan a9 is driven and the atmosphere below the microwave oven body begins to be exhausted outside through the entire exhaust duct.

If you want to stop the ventilation, you can operate the fan operation button (G) again. RIJ, the program starts with steps A1, A4, A5, A7, 81, B3,
B4, B6, own 7, B9 step, C1, 07-011
After passing through the %C6 step, DI, 07, and C8 steps in sequence, the above basic loop is entered and outdoor exhaust is stopped.

Next, a gas stove! 21. When cooking is completed using +21, the temperature of the atmosphere below the microwave oven body (1) rises to 7.
Reach 0°C or higher (less than 90°C). Then, the 1st f-
Moswitch a (to) is turned on and program 1) AI, A
4 steps, B1.82, B4, B6, B7, B9 steps, C1, C7-C9, C12 steps, Dl, B7
, D8 steps are taken, and ventilation is performed.

And, due to the ventilation, U1 is a gas stove + 21
, +21 when the atmosphere below the main body (1) falls below 70°C, the program enters the above basic loop and ventilation is stopped.

Next, when cooking fish, etc. on the gas stove (21, (2), the ambient temperature below the main body 11 becomes 70'C or more (less than 90'C), and a predetermined amount of water is heated below the main body (1). The above smoke is generated. Then, the program is A1,
to 4 steps, B1, B2, B4, B6 to B9 steps, (1, C7 to C9% C12 steps, DI, D7 to D
Ventilation is carried out through 10 steps. Then, one minute after smoke detection, the program will
4 steps, B1, B2, B 4,86~B 9 Sten 7", CI, C!7~C9, C12 steps, D1
%D7 to D11 steps will be passed.

When the grilled fish A1 processing is completed, the ambient temperature below the main body (1) drops to less than 70'C and the amount of smoke becomes less than a predetermined value. The program then enters the basic loop described above and ventilation stops.

In addition, if the above-mentioned grilled fish cooking ends within 1 minute after a prescribed amount or more of smoke is generated, and within such 1 minute, the above-mentioned ambient temperature becomes less than 70 ° C and the amount of smoke becomes less than the prescribed value, , ventilation will not stop immediately. That is, the program is AI, A
4 steps, B1, B3.84.36, B7.89yte"7"f, cl, 07-C10, C12 steps, Dl
, D7 to DIU step B.

Furthermore, during cooking using JJ gas stoves 2) and (2), the ambient temperature below the main body il+ may reach an abnormally high temperature of 90° C. or higher. In this case, programs HA1, A2, A4
Step, B1, B2.84-B7, B9 step, C
It goes through steps 1 to C5, C12, D1, and D7. Then, for safety's sake, the gas stove (2)
(2) The microwave oven is forcibly stopped, and a buzzer notifies that the microwave function section (3) is currently cooking at a high temperature of 16 tt.

- 10,000 phrases 1 continue and have the effect of lowering the atmospheric temperature below the main body (1).

Then, after listening to the alarm from the operator and fully recognizing the abnormal condition, first press the buzzer operation button (6) to stop the alarm from the buzzer.
repeat. Then, the program is A1 to A4 steps, B1, B2, 84 to B7° By steps, 01, C
! 7, C8, C11, C6 step, DI-03 step, AI, A4 step, F31, 132. '8
4~B7, B9 step, C1, C7, 'C8, C11
, (6 steps, D1 to D6 steps are passed, the buzzer alarm stops, ventilation also stops, and cooking continues with the microwave function section (3) and gas stove (2), (2). Appropriate measures shall be taken for this.In addition, ventilation can be carried out as appropriate by operating the fan (c) as described above for the music operator.

Then, when the above 5 minutes have passed and the ambient temperature below the main body 11) has fallen below 70°C, the program includes steps A1, A4, 'Bl, B3, B4.86, B
7.89 steps, C1, C7, C8, 011, C6 steps, D, ~D6A6 steps to enter the above basic loop. At this point, the abnormal condition has been resolved, and cooking can be performed using the microwave oven function section (3) and the gas stove +21.121.

Next, while cooking on the gas stove (2), (2), the main unit (
1) The ambient temperature below becomes abnormally high, exceeding 90°C.
In addition, if more than a predetermined amount of smoke is generated, this is an extremely dangerous situation in which there is a risk of a fire starting from the cooked food. Therefore, in such a state, the program becomes A1, 82.
, enter 4 steps, B1.82.84-B9 steps, C
Steps 1 to C6, Dl, and D7 are started, and then the cooking on the gas stoves (2) and (2) is forcibly stopped, and the microwave function section (3) is turned off when cooking is not currently being performed. If so, it will be forcibly stopped, ventilation will also be stopped, and an abnormality will be notified by a buzzer.

At this point, the supply of fresh air to the lower part of the main body (1) where there is a risk of fire is stopped by stopping the ventilation.

As a result, a fire is likely to occur, and the danger of a fire is eliminated for the time being.

The operator's operation based on the buzzer notification and subsequent operations are similar to those in the case where the atmosphere temperature below the main body fil simply reaches 90°C or higher during cooking using the gas stove 12+ or +21 as described above. .

In the above embodiment, a gas stove] 2) and (2) are used as other heating means, but instead of this 11, an electric stove, an electromagnetic cooker, etc. may be used.

(f) Effects of the Invention As is clear from the above explanation, when the cooking device of the present invention is used, the abnormally high temperature of the atmosphere is Since the outdoor exhaust etc. can be automatically controlled based on smoke generation, operability is significantly improved, and there is no risk of fire. This prevents fires from occurring and is extremely safe. Furthermore, when an abnormally high temperature occurs, it can be notified, and the heating means of the cooking device itself such as a magnetron, as well as the other heating means mentioned above, can be stopped, and the safety of the cooking device can be further improved.

[Brief explanation of drawings]

The drawing shows a microwave oven according to an embodiment of the present invention.
The first and second cause of blindness is cross-section! , Fig. 6 is a sectional view of the mounting part, Fig. 4
Figure μ circuit diagram and Figure 5 a to e show the flow of the program of the computer. : is a flowchart shown. +21171...Gas stove, (7)...Magnetron, tL51...Exhaust fan, (l...1st thermos switch, ((71...2nd thermoswitch, (1
81...Smoke detection means, 61...Fusa-0 Fig. 1 Fig. 3 Fig. 5 "Ob Fig. 15 d

Claims (1)

[Scope of Claims] +11 In a high-place type cooker installed at a high place above other heating means, an exhaust means for exhausting the atmosphere below the cooker main body to an exhaust part, and an atmosphere below the cooker main body. temperature detection means for detecting the temperature IKk of the cooking device, and smoke detection means for detecting the generation of smoke below the cooking device main body;
The exhaust means is driven when the temperature detection means detects a predetermined temperature, and the exhaust means is stopped when the temperature detection means detects an abnormally high temperature and the smoke detection means detects the generation of smoke. A high place cooking device. (2. A high-place cooking device according to claim 1, characterized in that it is provided with a notification means for notifying when the abnormally high temperature is detected. (3) Claim 1 or 2. The high place cooking device according to item 2, characterized in that the heating device itself and/or the other heating device are stopped when the abnormally high temperature is detected.