TWI768754B - Stove monitoring system - Google Patents

Abstract

The disclosed herein are a monitoring system and its methodology to alert the end user of the stove status. The monitoring system includes a stove, a controller, a first sensor, a second sensor, and at least one first alarming device. The stove has a knob which is configured to be rotated by the user. The controller is intalled on the stove. The first sensor is installed on the stove and is electrically connected to the controller. The first sensor detects the rotation of the knob. The second sensor is electrically connected to the controller. The second sensor is configured to detect whether the user is located in the sensing area where the stove is located. The first alamring device is electrically connected (Wired or wirelessed) to the controller. When the first sensor detects the rotation of the knob, and the second sensor detects the user is not presented in the sensing area, the controller activates the first alarming device.

Description

Stove Monitoring System

The invention relates to a monitoring system and a monitoring method, in particular to a stove monitoring system and a stove monitoring method.

Generally speaking, the way to cook food is to put the ingredients into the pot, and then put the pot on the stove for heating. Since food takes time to cook, cooks often leave the front of the stove temporarily, or even leave the kitchen, to do other things.

However, in the process of dealing with other affairs, the cook may forget that the stove is still heating the ingredients in the pot because his attention has shifted to what he is dealing with, causing the water in the pot to burn. Dried or burnt ingredients, raising safety concerns if the stove continues to heat. Therefore, it is necessary to provide means to alert the cook that the stove is being used.

The present invention provides a stove monitoring system and stove monitoring method, which can remind cooks that the stove is in use, so as to reduce the possibility of harm.

A stove monitoring system disclosed in an embodiment of the present invention is suitable for alerting a user. The stove monitoring system includes a stove, a controller, a first sensor, a second sensor and at least one first warning device. The stove has a knob, The knob is for the user to turn. The controller is arranged on the stove. The first sensor is disposed on the stove and is electrically connected to the controller, and the first sensor senses the rotation of the knob. The second sensor is electrically connected to the controller, and the second sensor is used for sensing whether the user is located in a sensing area where the stove is located. The first warning device is electrically connected to the controller. When the first sensor senses the rotation of the knob and the second sensor senses that the user is not located in the sensing area, the controller triggers at least one first warning device.

Another embodiment of the present invention discloses a stove monitoring method, which is suitable for warning a user. The stove monitoring method includes sensing whether a knob of the stove is rotated through a first sensor disposed on a stove and sensing whether a user is not located in a sensing area where the stove is located through a second sensor Inside. If the above two are both, a controller electrically connected with the first sensor and the second sensor triggers at least one first warning device. If one of the above is no, the controller does not trigger the at least one first warning device.

According to the stove monitoring system and stove monitoring method disclosed in the above embodiments, when the first sensor senses the rotation of the knob and the second sensor senses that the user is not in the sensing area, The controller triggers the first warning device, which can remind the user that the stove is in use, so as to reduce the risk of hazard occurrence.

The above description of the content of the present invention and the description of the following embodiments are used to demonstrate and explain the principle of the present invention, and provide further explanation of the scope of the patent application of the present invention.

1, 1a: stove monitoring system

2: Mobile Devices

3: gate

10: Stove

11: Furnace core

12: stove rack

13: Knob

131: Operation Department

15: Controller

20: First sensor

25: Second sensor

30: The first warning device

35: Shell

40: Electrical connector

45: Safety switch

451: Pedestal

4511: Card slot

452: Stopper

4521: Card block

453: Elastic

50: Magnet

55: Second warning device

60: stove indicator light

65: temperature sensor

71, 72, 73: Status indicator

75: Battery

P: axis

S01-S07: Steps

FIG. 1 is a part of a stove monitoring system disclosed according to a first embodiment of the present invention Schematic diagram of the split plane.

FIG. 2 is a schematic plan view of another part of the stove monitoring system of FIG. 1 .

FIG. 3 is a schematic block diagram of the stove monitoring system of FIG. 1 .

FIG. 4 is a partially enlarged schematic plan view of FIG. 1 .

FIG. 5 is a schematic cross-sectional view of FIG. 4 .

FIG. 6 is a schematic cross-sectional view of the stopper of FIG. 5 when it is in an unlocked position.

FIG. 7 is a schematic plan view of the stopper of FIG. 4 when it is in a separation position.

FIG. 8 is a flowchart of a stove monitoring method matched with the stove monitoring system of FIG. 1 .

9 is a partial plan view of a stove monitoring system disclosed in accordance with a second embodiment of the present invention.

See Figures 1 through 3. FIG. 1 is a partial plan view of a stove monitoring system disclosed according to a first embodiment of the present invention. FIG. 2 is an enlarged schematic plan view of another part of the stove monitoring system of FIG. 1 . FIG. 3 is a schematic block diagram of the stove monitoring system of FIG. 1 . Wherein, the connecting line between the two elements shown in FIG. 3 represents that the two elements are electrically connected. The so-called electrical connection means that the current can flow between the two elements or the signal can be transmitted between the two elements, and the signal transmission can be through wired or wireless means.

In this embodiment, the stove monitoring system 1 is adapted to alert a user (not shown). The stove monitoring system 1 includes a stove 10 , a controller 15 , a first sensor 20 , a second sensor 25 and a first warning device 30 . In addition, in this embodiment or other embodiments, the stove monitoring system 1 may further include a housing 35, an electrical The connector 40 , a safety switch 45 , a magnet 50 and a plurality of second warning devices 55 .

The stove 10 is, for example, a gas stove, which is, for example, located in the kitchen of a user's house. The stove 10 has a stove core 11 , a stove frame 12 and a knob 13 . The core 11 is located at the center of the hob 12, and the hob 12 is used for placing pots (not shown). The knob 13 has an operating portion 131 . The operation part 131 of the knob 13 can facilitate the user to rotate the knob 13, and the rotation of the knob 13 can respectively control the opening and closing of the furnace core 11 and the control of the heat.

The casing 35 is disposed on the stove 10 and is located beside the knob 13 . The controller 15 is, for example, a microprocessor. The controller 15 is disposed in the casing 35 and is electrically connected to a mobile device 2 of the user, for example, in a wireless manner. The mobile device 2 is, for example, an electronic device such as a mobile phone and a tablet. The electrical connector 40 is disposed on the housing 35 and is electrically connected to the controller 15 .

Next, please refer to Figures 4 to 7 together. FIG. 4 is a partially enlarged schematic plan view of FIG. 1 . FIG. 5 is a schematic cross-sectional view of FIG. 4 . FIG. 6 is a schematic cross-sectional view of the stopper of FIG. 5 when it is in an unlocked position. FIG. 7 is a schematic plan view of the stopper of FIG. 4 when it is in a separation position.

The safety switch 45 is disposed on the stove 10 and is closer to the stove rack 12 than the knob 13 . The safety switch 45 includes a base 451 and a stopper 452 . The base 451 is fixed to the stove 10 . The stopper 452 is pivotally disposed on the base 451 and can linearly move relative to the base 451 along an axis P on which the stopper 452 pivots relative to the base 451 between a locking position and an unlocking position. The base 451 has a locking slot 4511 , and the stopper 452 has a locking block 4521 . As shown in FIG. 5 , when the stopper 452 is in the locking position, the blocking block 4521 of the stopper 452 is located in the engaging slot 4511 of the base 451 , Therefore, the stopper 452 cannot pivot relative to the base 451 . As shown in FIG. 6 , when the stopper 452 is in the unlocked position, the block 4521 of the stopper 452 is separated from the slot 4511 of the base 451 , so that the stopper 452 can be in a stop relative to the base 451 Pivoting between a position (shown in Figure 4) and a disengaged position (shown in Figure 7). As shown in FIG. 4 , when the stopper 452 is located at the stop position, the stopper 452 abuts against the operating portion 131 of the knob 13 so that the knob 13 cannot be rotated. As shown in FIG. 7 , when the stopper 452 is located at the separation position, the stopper 452 is separated from the operation portion 131 of the knob 13 , so that the knob 13 can be rotated.

In this way, when the stopper 452 is in the lock position and the stop position, the stopper 452 stops the disposition of the operation portion 131 of the knob 13 , so that the knob 13 can be prevented from being rotated unexpectedly. That is, the knob 13 can be rotated only when the stopper 452 is in the disengaged position. Therefore, the stopper 452 can act as a safety measure for the knob 13 to ensure that the rotation of the knob 13 is approved by the user (ie, pivoting the stopper 452 to the disengaged position).

In this embodiment, the safety switch 45 may further include an elastic member 453 . The elastic member 453 is, for example, a tension spring. Two opposite ends of the elastic member 453 are respectively fixed to the blocking member 452 and the base 451 . The elastic member 453 is used for applying elastic force to the blocking member 452 to move from the unlocking position to the locking position. Therefore, when the user pivots the stopper 452 to the position in the unlocked position, releasing the stopper 452 will cause the elastic piece 453 to drive the stopper 452 to return from the unlocked position to the locked position, so as to fix the stopper 452. Stopper 452 .

It should be noted that the form of the elastic member 453 is not intended to limit the present invention Bright. In other embodiments, the structure of the safety switch can be properly adjusted, and the elastic member can be a compression spring. Alternatively, a magnet may be used instead to apply a magnetic force to the stopper moving in the direction from the unlocked position to the locked position.

In addition, the safety switch 45 is an optional component and is not intended to limit the present invention. In other embodiments, the stove monitoring system may have no safety switch.

Next, the first sensor 20 is, for example, a magnetic sensor, such as a Hall sensor. The first sensor 20 is, for example, disposed on the base 451 of the safety switch 45 and disposed on the stove 10 through the base 451 , and the first sensor 20 is electrically connected to the electrical connector 40 , for example, through a wire (not shown). , and is electrically connected to the controller 15 through the electrical connector 40 . The magnet 50 is provided, for example, on the operation portion 131 of the knob 13 . During the rotation of the knob 13 from the closed position, the magnet 50 will rotate together with the knob 13 to cause a change in the magnetic field. The first sensor 20 can sense the change in the magnetic field and send a signal to the controller 15, so that the controller 15 can obtain a change in the magnetic field. Know that the stove is in use. However, the arrangement positions of the first sensor 20 and the magnet 50 are not intended to limit the present invention. In other embodiments, the magnet can be provided on the base, and the first sensor can be provided on the knob. In addition, the type of the first sensor is not intended to limit the present invention. In other embodiments, as long as the rotation of the knob can be sensed, the first sensor can be other types of sensors, and does not need to be used in conjunction with a magnet.

In this embodiment, the stove monitoring system 1 may further include a stove indicator light 60 . The stove indicator 60 is, for example, disposed on the housing 35 and is electrically connected to the controller 15 . After the knob 13 is turned from the off position, the controller 15 will turn on the stove indicator 60 to inform the user that the stove 10 is in use. However, the stove indicator light 60 is an optional element. In other embodiments, the stove monitoring system may have no stove indication lamp.

The second sensor 25 is, for example, a motion sensor. For example, the second sensor 25 is disposed on the casing 35 , and the second sensor 25 is electrically connected to the controller 15 . The second sensor 25 is used to sense whether the user is located in a sensing area where the stove 10 is located. The sensing area is, for example, around the stove 10 . Of course, the arrangement position of the second sensor 25 is not intended to limit the present invention. In other embodiments, the second sensor may be disposed on, for example, a wall of the kitchen, or other locations that can sense whether the user is located around the stove.

The first warning device 30 is, for example, a warning light. The first warning device 30 is, for example, disposed at the gate 3 of the user's house. The first warning device 30 is electrically connected to the controller 15 in a wireless or wired manner.

These second warning devices 55 are different from the first warning devices 30 . These second warning devices 55 are, for example, speakers. The second warning devices 55 are installed in the user's home and have different locations. The second warning device 55 is electrically connected to the controller 15 in a wireless or wired manner. In this embodiment, as shown in FIGS. 1 and 2 , the second warning devices 55 are respectively arranged on the housing 35 and the door 3 of the home, and the second warning device 55 and the first warning device 55 arranged on the door 3 of the home A warning device 30 is integrated into one. However, the second warning device 55 is not limited to be integrated with the first warning device 30 . In other embodiments, the second warning device and the first warning device can be integrated into two separate devices. In addition, the number and installation positions of the second warning devices are not intended to limit the present invention. In other embodiments, the number of the second warning devices can be increased or decreased according to requirements, and the second warning devices can be arranged above the doorway of the kitchen, living room, Dining room, toilet, bedroom and balcony, etc.

In this embodiment, the stove monitoring system 1 may further include a temperature sensor 65 . The temperature sensor 65 is disposed on the oven rack 12 of the oven 10 and is electrically connected to the controller 15 . The temperature sensor 65 is used for sensing the temperature of the hob 12 , so as to indirectly know the temperature of the pots placed on the hob 12 . In this way, the controller 15 can send the temperature information of the hob 12 to the user's mobile device 2, so that the user can know the temperature of the cookware before taking it, so as to avoid burns. However, the temperature sensor 65 is an optional component. In other embodiments, the stove monitoring system may be free of temperature sensors.

In this embodiment, the stove monitoring system 1 may further include three status indicator lights 71 , 72 and 73 . The three status indicators 71 , 72 and 73 are disposed on the casing 35 and electrically connected to the controller 15 . The colors of the three status indicators 71, 72, 73 are different from each other (eg, red, yellow, and green, respectively). For example, when the red status indicator 71 is on, it means that the stove monitoring system 1 is in a sleep or shutdown state. When the green status indicator 72 is on, it means that the stove monitoring system 1 is in an awake state. When the yellow status indicator 73 is on, it means that the stove monitoring system 1 is in an abnormal state (such as insufficient power or offline sensors).

In this embodiment, the stove monitoring system 1 may further include a plurality of batteries 75 . The batteries 75 are disposed in the casing 35 and are electrically connected to the controller 15 . The battery 75 is used to provide the controller 15 , the first sensor 20 , the second sensor 25 , the second warning device 55 disposed on the housing 35 , the stove indicator 60 , the temperature sensor 65 , and the status indication Electricity required for lamps 71, 72, 73. Of course, the arrangement of the battery is not intended to limit the present invention. In other embodiments, the stove monitoring system may utilize communication in the home electricity as a power source.

Next, a stove monitoring method matched with the stove monitoring system 1 will be explained. Please refer to FIG. 8 . FIG. 8 is a flowchart of a stove monitoring method matched with the stove monitoring system of FIG. 1 .

First, in step S01 , whether the knob 13 of the stove 10 is rotated is sensed through the first sensor 20 disposed on the stove 10 . If yes, then go to step S02, the controller 15 lights up the indicator light 60 of the stove, and transmits a notification signal that the stove 10 is in use to the mobile device 2 of the user. Next, proceed to step S03 , through the second sensor 25 to sense whether the user is not located in the sensing area where the stove 10 is located. If yes, then go to step S04 , the controller 15 triggers the first warning device 30 to light up the first warning device 30 .

In this embodiment, since the first warning device 30 is disposed at the gate 3, when the user forgets that the stove 10 is in use and wants to go out, the first warning device 30 can remind the user that the stove 10 is in use, so as to reduce the occurrence of hazards risks of. However, the number and installation positions of the first warning devices are not intended to limit the present invention. In other embodiments, the number of the first warning devices can be increased according to requirements, and these first warning devices can be respectively arranged above the door of the kitchen, living room, dining room, toilet, bedroom, balcony, etc., so that the user can It is reminded by the first warning device in different places, so as to achieve a comprehensive reminding effect.

In this embodiment, after step S04 , and then proceeding to step S05 , the controller 15 further includes that the controller 15 sends a warning signal to the user's mobile device 2 at regular intervals and triggers the second warning device 55 , so as to make the mobile device 2 itself vibrate or The sound is emitted and the second warning device 55 is made to emit a sound, so as to have the effect of reminding the user repeatedly.

In this embodiment, due to the setting of the second warning device 55 and the mobile device 2 to remind the user at each time interval, the second warning device 55 can still be used when the mobile device is set to the mute or do not disturb mode by the user. Play the role of repeating reminders to users.

In this embodiment, the length of the aforementioned time interval can be set by the user operating the mobile device 2 after the mobile device 2 receives the notification signal that the stove 10 is in use, or the user can set the time interval before using the stove 10 Device 2 is preset. The aforementioned time interval is, for example, 5 minutes, but not limited thereto. In other embodiments, the time interval can be adjusted according to needs. In addition, the time interval for sending the warning signal to the mobile device is not limited to be the same as the time interval for triggering the second warning device. In other embodiments, the time interval for sending the warning signal to the mobile device may be different from the time interval for triggering the second warning device.

In addition, the user can not only set the length of the time interval through the mobile device 2, but also set other warning functions. For example, the user can set the total time expected to use the stove 10 through the mobile device 2 , so that the controller 15 triggers the second warning device 55 to warn the user when the total time to use the stove 10 arrives. Alternatively, the user can operate the mobile device 2 to set the type and size of the sound emitted by the mobile device 2 and the second warning device 55 , such as setting the sound as an alarm sound or a robot sound indicating the use time of the stove, but not Not limited to this. In other embodiments, the sounds of the mobile device and the second warning device can be adjusted according to requirements sound type.

Furthermore, the types of the first warning device 30 and the second warning device 55 are not intended to limit the present invention. In other embodiments, the first warning device and the second warning device can be adjusted to other types of warning devices, such as a buzzer and an alarm, according to requirements.

However, step S05 is not limited to simultaneously include the controller 15 sending an alert signal to the user's mobile device 2 and triggering the second alert device 55 at regular intervals. In other embodiments, the step S05 may send an alert signal to the user's mobile device every time interval without the controller, or may trigger the second alert device at every time interval without the controller. On the other hand, step S05 may be omitted in the stove monitoring method.

In step S03, if the user is located in the sensing area where the stove 10 is located, the process proceeds to step S06, the first warning device 30 is not triggered, and then returns to step S01.

In step S01 , if the knob 13 is not rotated, the process proceeds to step S07 , the first warning device 30 is not triggered, and then returns to step S01 .

Next, please refer to FIG. 9 . FIG. 9 is a partial plan view of a stove monitoring system disclosed according to a second embodiment of the present invention. In this embodiment, the stove monitoring system 1 a is similar to the stove monitoring system 1 in FIG. 1 , so the following only briefly describes the main differences between the stove monitoring system 1 a in this embodiment and the stove monitoring system 1 in FIG. 1 .

In this embodiment, the number of the furnace core 11 , the furnace frame 12 and the knob 13 of the furnace 10 is two. The two furnace cores 11 are respectively located at the center of the two furnace frames 12 . The two knobs 13 have an operating portion 131 to facilitate the user to turn the knobs 13, and the two knobs 13 Rotation can respectively control the opening and closing of the second furnace core 11 and the control of the fire. In addition, the number of the first sensor 20 , the electrical connector 40 , the safety switch 45 , the magnet 50 and the stove indicator light 60 of the stove monitoring system 1 a is two. One of the first sensors 20 , one of the safety switches 45 , one of the magnets 50 and one of the stove indicator lights 60 correspond to one of the knobs 13 of the stove 10 , the other first sensor 20 , the other safety The switch 45 , the other magnet 50 and the other indicator light 60 of the stove correspond to the other knob 13 of the stove 10 . The casing 35 is located between the two knobs 13 , and the two electrical connectors 40 are respectively disposed on two opposite sides of the casing 35 . The two electrical connectors 40 are respectively electrically connected to the two first sensors 20 through wires (not shown), for example, so that the two first sensors 20 are electrically connected to the controller 15 through the wires and the electrical connectors 40 . The parts of the stove monitoring system 1a of the present embodiment that are the same as the stove monitoring system 1 of FIG. 1 will not be repeated.

In this embodiment, the stove monitoring system 1a combined with the stove monitoring method can provide warnings for the use of the second stove core 11 of the stove.

In the above-mentioned embodiments, the stove 10 is described as a gas stove, but it is not intended to limit the present invention. In other embodiments, the stove monitoring system and stove monitoring method can be applied to other heating devices with knobs.

According to the stove monitoring system and stove monitoring method disclosed in the above embodiments, when the first sensor senses the rotation of the knob and the second sensor senses that the user is not in the sensing area, The controller triggers the first warning device, which can remind the user that the stove is in use, so as to reduce the risk of hazard occurrence.

In addition, the controller sends a warning signal to the user's mobile device at regular intervals and triggers the second warning device to vibrate the mobile device itself. Or make a sound and make the second warning device make a sound, which can have the effect of repeated reminding for the user.

Furthermore, with the setting that both the second alerting device and the mobile device remind the user at each time interval, the second alerting device can still play the role of reminding the user repeatedly when the mobile device is set to the mute or do not disturb mode by the user. .

Although the present invention is disclosed by the above-mentioned preferred embodiments, it is not intended to limit the present invention. Anyone who is familiar with the similar arts can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, this The scope of patent protection of the invention shall be determined by the scope of the patent application attached to this specification.

1: stove monitoring system

10: Stove

11: Furnace core

12: stove rack

13: Knob

131: Operation Department

15: Controller

20: First sensor

25: Second sensor

35: Shell

40: Electrical connector

45: Safety switch

451: Pedestal

452: Stopper

50: Magnet

55: Second warning device

60: stove indicator light

65: temperature sensor

71, 72, 73: Status indicator

75: Battery

Claims (10)

A stove monitoring system, suitable for warning a user, comprises: a stove with a knob, the knob is used for the user to turn; a controller, arranged on the stove; a first sensor, arranged on The stove is electrically connected to the controller, the first sensor senses the rotation of the knob; and at least one first warning device is electrically connected to the controller; wherein, the stove monitoring system further includes A safety switch, the safety switch includes a base and a stopper, the base is arranged on the stove, the stopper is pivoted on the base, and the stopper can be in a stop position and a separation pivoting between positions, the knob has an operating part; when the stopper is at the stop position, the stopper abuts against the operating part of the knob, so that the knob cannot be rotated; when the stopper When the stopper is located at the separation position, the stopper is separated from the operating portion of the knob, so that the knob can be rotated; wherein, the stopper has a locking block, the base has a locking groove, and the stopper The member can linearly move relative to the base between a locked position and an unlocked position along the axis of the stop member pivoting relative to the base; when the stop member is in the locked position, the The block is located in the groove of the base, so that the stopper cannot pivot relative to the base; when the stopper is in the unlocked position, the block of the stopper is separated from the base the slot of the seat, and the stopper can pivot between the stop position and the separation position. The stove monitoring system according to claim 1, further comprising a magnet disposed on the knob, and the first sensor is a magnetic sensor. The stove monitoring system as claimed in claim 1, further comprising a second sensor electrically connected to the controller, and the second sensor is used for sensing whether the user is located in a sensor where the stove is located In the sensing area, when the first sensor senses the rotation of the knob, and the second sensor senses that the user is not located in the sensing area, the controller triggers the at least one first warning device. The stove monitoring system of claim 3, wherein the second sensor is a motion sensor. The stove monitoring system as claimed in claim 1, wherein when the first sensor senses the rotation of the knob, the controller is configured to send a notification signal to a mobile device of the user through a wireless manner. The stove monitoring system of claim 3, wherein the first sensor senses the rotation of the knob of the stove, and the second sensor senses that the user is not located where the stove is located After the sensing area, the controller is used for sending an alert signal to a mobile device of the user at regular intervals. The stove monitoring system according to claim 3, further comprising at least one second warning device different from the at least one first warning device, the at least one second warning device is electrically connected to the controller, and the first warning device is After the sensor senses the rotation of the knob of the stove, and the second sensor senses that the user is not located in the sensing area where the stove is located, the controller triggers the At least one second warning device. The stove monitoring system according to claim 7, wherein the at least one first warning device is a warning light, and the at least one second warning device is a speaker. The stove monitoring system according to claim 3, further comprising a casing and an electrical connector, the casing is disposed on the stove, the controller and the second sensor are disposed on the stove through the casing In the stove, the electrical connector is arranged on the casing and is electrically connected to the controller, and the first sensor is electrically connected to the controller through the electrical connector. The stove monitoring system as claimed in claim 1, further comprising a temperature sensor electrically connected to the controller, the stove further having a stove rack, and the temperature sensor used for sensing the The temperature of the oven rack.

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