JP2004293953A - Cooking stove with human detection sensor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cooking stove with human detection sensors capable of preventing risk of firing of over-edge fire. <P>SOLUTION: A grill burner 3 of inside the cooking stove 1 and a cooking stove burner 7 on an upper face of the cooking stove 1 are respectively connected to gas supplying tubes assembled with gas quantity adjusting valves 3X, 7X. The human detection sensors 15, 16 are provided at the right and left of a front face of a grill exhaust port 2 on a back side of the cooking stove 1. When the human detection sensors 15, 16 detect that the arm and the hand of a human come close to kettle holders 9A, 9B, 9C and the rise of surface temperature of clothes of the human, heating power of the cooking stove burner 7 and the grill burner 3 can be reduced or fire can be extinguished by a control signal from a controlling part 20. Hence, even if the arm, the hand and the clothes and the like of a cooking person come close to the over-edge fire from the cooking stove burner 7, risk of burn injury and burning clothes can be prevented. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a stove provided with a human sensor for detecting that a human body has approached. In particular, the present invention relates to a stove with a motion sensor that can prevent the risk of ignition of an overflow fire.
[0002]
[Prior art]
2. Description of the Related Art A typical gas stove conventionally used in general households and the like is provided with a burner, adjusting means such as a lever for adjusting the heating power thereof, and a virtue arranged so as to surround a crater of the burner. In the case of cooking using a gas stove, a pot or a frying pan, etc. placed on Gotoku is heated by a burner. At this time, regardless of the size of the pot or the frying pan, the cooker operates the lever or the like in accordance with the preference or the cooking situation, regardless of the size of the pot or the frying pan.
[0003]
[Problems to be solved by the invention]
By the way, in the above-mentioned typical gas stove, when a relatively small pot or frying pan or the like is used at the time of cooking and the burner is set to high heat, a large overflow fire occurs around the pot or the frying pan. In such a state, if an arm, clothing, or the like approaches the burner carelessly by the cook, an overflow fire may ignite, causing burns or scorching of the clothing. Therefore, there is a demand for a stove having a function capable of preventing such a risk of ignition of an overflow fire.
[0004]
The present invention has been made in view of the above problems, and has as its object to provide a stove with a human sensor that can prevent the risk of ignition of an overflow fire.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, a stove with a human sensor according to the present invention includes a burner, a heating power adjusting means for the burner, a virtue arranged so as to surround a crater of the burner, and A detection sensor, and a control unit that receives signals from the detection sensor and controls the respective units. When the detection sensor detects the proximity of a human body, the heating power adjusting unit includes the burner. Or to extinguish fire.
[0006]
According to the present invention, when the motion sensor detects the proximity of a human body, the heating power adjusting means reduces or extinguishes the heating power of the burner. Therefore, even if the cook's arms, hands, clothes, etc. approach the fire from the burner, the danger of getting burned or scorching the clothes can be prevented.
[0007]
In the stove with a human sensor according to the present invention, the human sensor may detect that a human body has approached the vicinity of the virtues, and the sensor may be provided in front of the grill outlet.
In this case, the human sensor on the front side of the grill outlet can detect that the arm or hand of the person being cooked has approached a hot pot or frying pan, etc., which may cause burns or scorch clothing. Sex can be avoided more reliably. As means for informing a person of the detection of the sensor, a buzzer sounds, a lamp flashes, and the like.
[0008]
In the stove with a human sensor according to the present invention, the human sensor detects a rise in surface temperature of clothing worn by a person, and based on the detection of the sensor, reduces the heating power of the burner before the clothing is ignited. Or fire can be extinguished.
In this case, cooking can be continued when the surface temperature of the clothing is low. If a rise in the surface temperature of the clothing is detected, the burner is squeezed or extinguished before the clothing is ignited, thus preventing the risk of burns and scorching of the clothing as before. it can.
[0009]
In the stove with a human sensor of the present invention, a forcible release switch for forcibly releasing the function of the human sensor may be provided.
For example, when cooking a roast, for example, due to the nature of cooking, a human hand is close to a pot, a frying pan, or the like on Gotoku. In such a case, cooking can be performed as usual by turning off the motion sensor with the forced release switch.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, description will be made with reference to the drawings.
FIG. 1 is an external view schematically showing a stove with a human sensor according to one embodiment of the present invention.
FIG. 2 is a schematic side sectional view of a stove with a doujin sensor.
FIG. 3 is a control block diagram of a stove with a doujin sensor.
[0011]
The stove 1 of the present embodiment is arranged on a stove cabinet 10 (see FIG. 2). As shown in FIG. 2, a grill burner 3 and a grill net 5 are provided inside the stove 1. The grill burner 3 is connected to a gas supply pipe in which a gas amount control valve 3X (see FIG. 3) is incorporated. As shown in FIG. 1, on the upper surface of the stove 1, in this example, three (right, left, and back) stove burners 7 (7A, 7B, 7C) are provided. Around each of the stove burners 7, the gods 9 (9A, 9B, 9C) are arranged, respectively. The stove burner 7 is connected to a gas supply pipe in which a gas amount control valve 7X (see FIG. 3) is incorporated.
[0012]
As shown in FIG. 1, on the front surface of the stove 1, a burner heating power adjustment unit 11 (11A, 11B, 11C) for adjusting the heating power of each of the stove burners 7A, 7B, 7C and a heating power of the grill burner 3 are adjusted. A grill power control unit 13 is provided. The burner power control unit 11 is connected to a gas amount control valve 7X (see FIG. 3) in a gas supply pipe connected to the stove burner 7. The grill heat power control unit 13 is connected to a gas amount control valve 3X (see FIG. 3) in a gas supply pipe connected to the grill burner 3. By operating these thermal power adjusting units 11 and 13, the intensity of the thermal power of the stove burner 7 and the grill burner 3 can be adjusted.
[0013]
As shown in FIG. 1 and FIG. 2, a grill exhaust port 2 is provided on the far side of the upper surface of the stove 1. The upper end of grill outlet 2 is higher than the upper surface of stove 1. Human sensors 15 and 16 are provided on the front left and right sides of the grill exhaust port 2. These motion sensors 15 and 16 are, for example, infrared sensors. The human presence sensors 15 and 16 have a function of detecting that a human hand has approached the vicinity of the hands 9A, 9B, and 9C, and a function of detecting an increase in the surface temperature of clothing worn by the human. In this example, the left and right sides of the stove 1 can be monitored by providing two human sensors 15 and 16 on the left and right, respectively. The number of motion sensors may be one or three or more.
[0014]
The above-described gas amount control valves 3X and 7X and the motion sensors 15 and 16 are connected to the control unit 20. As shown in FIG. 3, the control unit 20 sends a control signal for narrowing or shutting off the opening of the gas amount control valves 3X, 7X based on the detection results of the motion sensors 15 and 16. By reducing or shutting off the degree of opening of the gas amount control valves 3X and 7X, the thermal power of the stove burner 7 and the grill burner 3 is reduced or extinguished. Further, a force release switch 17 for forcibly releasing the function is connected to the motion sensors 15 and 16. When the forcible release switch 17 is turned on, the detection functions of the human sensors 15 and 16 are stopped. In this case, the heating power of the stove burner 7 and the grill burner 3 can be adjusted only by manual operation of the heating power adjustment units 11 and 13 (see FIGS. 1 and 2).
[0015]
Such a stove 1 is used when the human sensors 15 and 16 detect that the arm or hand of the person approaches the virtue 9A, 9B or 9C or when the surface temperature of the clothing worn by the person is detected. Can reduce or extinguish the heat of the stove burner 7 and the grill burner 3. Therefore, even if the cook's arms, hands, clothes, etc. approach the overflow fire from the stove burner 7, the danger of getting burned or scorching the clothes can be prevented beforehand.
[0016]
When the surface temperature of the clothing of the person detected by the motion sensors 15 and 16 is low, cooking can be continued as usual. Alternatively, when cooking a roast, for example, due to the nature of cooking, a human hand comes close to a pot, a frying pan, or the like placed on Gotoku 9A, 9B, 9C. In such a case, the function of the motion sensors 15 and 16 may be stopped by turning on the forcible release switch 17 and the cooking may be performed while operating the heat power adjusting units 11 and 13 to reduce the heat.
[0017]
【The invention's effect】
As is apparent from the above description, according to the present invention, it is possible to provide a stove with a motion sensor that can prevent the risk of ignition of an overflow fire.
[Brief description of the drawings]
FIG. 1 is an external view schematically showing a stove with a motion sensor according to an embodiment of the present invention.
FIG. 2 is a schematic side sectional view of a stove with a doujin sensor.
FIG. 3 is a control block diagram of a stove with a doujin sensor.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Stove 2 Grill exhaust port 3 Grill burner 3X Gas amount control valve 5 Grill net 7 (7A, 7B, 7C) Stove burner 7X Gas amount control valve 9 (9A, 9B, 9C) Gotoku 10 Stove cabinet 11 (11A, 11B, 11C) ) Burner power control unit 13 Grill heat power control unit 15, 16 Human sensor 17 Forced release switch 20 Control unit

Claims (4)

Burner and
Thermal power control means for the burner;
Gotoku arranged around the crater of the burner,
A human sensor that detects when the human body is approaching,
A control unit that receives a signal from the motion sensor and controls each of the units;
With
A stove with a human sensor, wherein when the human sensor detects the proximity of a human body, the heating power adjusting means reduces or extinguishes the heat of the burner. The stove with a human sensor according to claim 1, wherein the human sensor detects that the human body approaches the virtue, and the sensor is provided in front of a grill exhaust port. The human sensor detects a rise in surface temperature of clothing worn by a person, and based on the detection of the sensor, reduces the heat of the burner or extinguishes the fire before the clothing is ignited. Or the stove with a human sensor according to 2. 4. The stove with a human sensor according to claim 1, further comprising a forcible release switch for forcibly releasing the function of the human sensor.

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