CN113639289A - Device and method for monitoring working state of gas stove through range hood - Google Patents
Device and method for monitoring working state of gas stove through range hood Download PDFInfo
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- CN113639289A CN113639289A CN202110989627.4A CN202110989627A CN113639289A CN 113639289 A CN113639289 A CN 113639289A CN 202110989627 A CN202110989627 A CN 202110989627A CN 113639289 A CN113639289 A CN 113639289A
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- range hood
- gas stove
- temperature
- monitoring
- control device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a device for monitoring the working state of a gas stove through a range hood, which overcomes the problem that a device for detecting whether the gas stove is in a dry burning stage in the prior art is lacked. A method for monitoring the working state of the gas stove through the range hood is also provided. Through the measurement of smog, cooking utensils temperature rate of rise and temperature, whether automatic judgement cooking utensil is in unusual dry combustion method state, whether the monitoring kitchen is operated by someone simultaneously.
Description
Technical Field
The invention relates to the technical field of linkage control of a range hood and a gas stove, in particular to a device and a method for monitoring the working state of the gas stove through the range hood.
Background
In daily life, a gas stove is often opened, people leave a kitchen to busy other things, dry burning of cookers and food materials above the gas stove is easily caused, and fire disasters are seriously caused. The above situation occurs because the range hood and the gas stove in home are 2 independent appliances working separately, and there is no means for monitoring whether the gas stove is in dry burning.
The conventional range hood and the gas cooker are 2 independent appliances which are independently controlled by a user. At present, a range hood is linked with a gas stove, and the range hood is automatically started along with the ignition of the gas stove. The air quantity of the range hood is automatically adjusted along with the firepower of the gas stove, so that the purpose of energy conservation is achieved. For example, the chinese patent office 2019, 8.23.8 discloses a utility model entitled an intelligent linkage controller for a gas stove and a range hood, whose publication number is CN 209295250U. The utility model comprises a gas stove and a range hood, wherein a fire switch, a gas stove potentiometer and a gas stove circuit board are arranged on the gas stove, a smoke machine main control module and a fan are arranged on the range hood, the smoke machine main control module is electrically connected with the fan, the gas stove potentiometer is electrically connected with the gas stove circuit board, and the gas stove circuit board is in communication connection with the smoke machine main control module in a wired or wireless mode; the gas stove potentiometer is fixedly connected with the fire switch, generates different electric signals along with the rotation of the fire switch, the electric signals are processed by the gas stove circuit board and then are sent to the smoke machine main control module, and the smoke machine main control module receives the electric signals to control the fan to adjust the rotating speed. According to the intelligent linkage controller of the gas stove and the range hood, the fan is adjusted along with the adjustment of the firepower switch, and a user can control the wind power of the fan of the range hood only by operating the firepower switch, so that the intelligent linkage controller is convenient and sanitary to use. However, the utility model can not prevent the gas cooker from being dried.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a device and a method for monitoring the working state of a gas stove through a range hood. If necessary, the supply of the fuel gas is cut off, and the safety is ensured.
In order to achieve the purpose, the invention adopts the following technical scheme: including power module and range hood, range hood includes communication device, monitoring device, range hood body and installs first controlling means and detection alarm device on the range hood body, still includes the gas-cooker, the gas-cooker includes the gas-cooker body and installs the second controlling means on the gas-cooker body, still install the electric drive valve that can cut off the air supply on the gas-cooker body, power module is connected with first controlling means, second controlling means, first controlling means is connected with detection alarm device, monitoring device, communication module is connected with first controlling means, second controlling means and terminal equipment, second controlling means is connected with electric drive valve.
The power supply module is used for providing working power supply, and the number of the power supply modules can be one, and the power supply modules are simultaneously connected with the first control device and the second control device and jointly provide the working power supply for the first control device and the second control device; the power magic armor can also be a first power module and a second power module, wherein the first power module is connected with the first control device and provides working power for the first control device, and the second power module is connected with the second control device and provides working power for the second control device. The first control device and the second control device are connected through the communication module, the gas stove is started during use, the second control device sends a starting signal to the first control device through the communication module, the first control device controls the monitoring device to start, whether people exist is monitored, and the monitoring condition is sent to the terminal equipment through the communication module. The first control device also controls the starting of the alarm device, and the alarm device is used for detecting whether the cooker is in a dry-burning state or not and sending an alarm to prompt a user when the condition that no person exists in the kitchen and the cooker is in the dry-burning state is monitored. Meanwhile, the detected information is transmitted to the first control device, the first control device sends a gas stove closing signal to the second control device, and the second control device controls the electric drive valve to be closed, so that gas supply is cut off, and safety is guaranteed.
Preferably, the gas cooker is characterized in that the communication device comprises a first communication module installed on the gas cooker and a second communication module installed on the range hood, the first communication module is connected with a second control device and is in communication connection with the second communication module, the second communication module is connected with the first control device, and the second communication module is further connected with the terminal equipment and the monitoring device. The first communication module and the second communication module are used for wireless connection of the first control device and the second control device, and the second communication module is also used for information transmission of the first control device and the terminal equipment.
Preferably, the detection alarm device comprises a detection device and an audible and visual alarm device, and the audible and visual alarm device and the detection device are both connected with the first control device. The detection device is used for detecting whether smoke and temperature are abnormal, and the sound-light alarm device is used for giving sound-light alarm when the temperature or the smoke are abnormal and prompting a user to process.
Preferably, the detection device comprises an infrared cooker temperature detection and temperature rise rate detection device and a smoke detection device, the infrared cooker temperature detection and temperature rise rate detection device is installed in the direction of the range hood body facing the cooker, and the smoke detection device is installed at the oil smoke inlet of the range hood body. The cooker temperature detection and the cooker temperature rise rate detection are performed against the cooker.
Preferably, the infrared cooker temperature detection and temperature rise rate detection device is an infrared temperature detector, and the smoke detection device comprises a smoke sensor. The infrared temperature detector combines two action principles of constant temperature and differential temperature and combines the two detector structures together, and can send an abnormal reminding signal to the sound-light alarm device when the temperature of the cooker exceeds a certain constant value or the temperature rising rate exceeds a certain specified value.
Preferably, the first control device includes a signal receiving unit, a signal transmitting unit and a data processing unit, the signal receiving unit is connected with the first communication module, the data processing unit is connected with the signal transmitting unit, and the signal transmitting unit is connected with the second communication module.
Preferably, the monitoring device is a video monitoring device, and the video monitoring device is connected with the first control device. The video monitoring device is used for monitoring whether people exist in the kitchen in real time and sending the monitoring video to the terminal equipment, so that a user can clearly see kitchen scenes.
Preferably, the first control device further comprises a range hood fan control module, and the range hood fan control module is connected with a range hood fan. When the detection device detects that the cooker is in a dry-burning state and no people operate in a kitchen, the first control device can cut off the gas supply, and the fan control module can also automatically adjust the fan of the range hood to the maximum wind speed.
A method for monitoring the working state of a gas stove through a range hood is characterized by comprising the following steps:
s1: opening the gas stove, sending a working instruction to the range hood by the gas stove, and starting the range hood;
s2: the monitoring device judges whether a person exists in the kitchen, if no person exists in the kitchen, the step S3 is executed, if yes, the range hood only executes video monitoring work, and the range hood body and the gas stove body normally work;
s3: the alarm device starts to work, detects whether the smoke and the temperature of the cooker are abnormal or not, and judges whether the smoke and the temperature of the cooker are abnormal or not;
s4: if the temperature or the smoke is abnormal, the gas supply is cut off, and the air speed of the range hood is adjusted to the maximum.
Preferably, in step S3, the specific step of determining whether the temperature is abnormal is: a temperature threshold value and a temperature rising rate threshold value are preset, and when the temperature reaches the threshold value or the temperature rising rate reaches the threshold value, the temperature is abnormal. And (3) dry burning state: 1. the detection of the temperature of the cooker reaches more than 300 ℃; 2. the rising rate of the temperature of the cooker is more than 20 degrees/minute, and the temperature of the cooker is more than 200 degrees; 3. abnormal smoke is generated. One of the above cases is a dry-fire state.
Preferably, in step S4, if the temperature or the smoke is abnormal, the range hood controlling the gas stove to cut off the gas supply includes:
s4.1: the detection device detects that smoke or temperature is abnormal, sends an abnormal signal to the gas stove through the communication module, simultaneously adjusts a fan of the range hood to the maximum rotating speed, and starts the sound and light alarm device;
s4.2: the gas stove receives the control signal transmitted by the range hood, controls the electric drive valve to be closed, and cuts off the gas supply.
The detection device of the range hood detects the abnormal smoke or temperature, sends an abnormal signal to the second control device, and simultaneously the range hood adjusts the self fan to the maximum rotating speed and starts the sound and light alarm device; the second control device transmits the control signal to a second control device of the gas stove through the first communication module; the second control device controls the electric drive valve to be closed, and gas supply is cut off, so that kitchen safety is guaranteed.
Therefore, the invention has the following beneficial effects: 1. the range hood automatically judges whether the cooker is in an abnormal dry-burning state or not by measuring smoke, the temperature rising rate and the temperature of the cooker, and can automatically control the working state of the gas stove when the cooker is in the dry-burning state, thereby ensuring the safety; 2. the range hood and the gas stove are connected in a wireless communication mode, and the range hood and the gas stove are assembled separately and are convenient to transport and produce; 3. the first control device of the range hood is arranged at the top of the range hood and is far away from an oil smoke suction inlet of the range hood, and the assembly, the disassembly and the overhaul are easy to implement; 4. whether a person is in a kitchen can be detected, and therefore whether the working state of the gas stove needs to be automatically controlled or not is judged.
Drawings
FIG. 1 is a schematic diagram of the system architecture of the present invention;
FIG. 2 is a flow chart of the steps of the control method of the present invention:
in the figure: 1. a power supply module; 2. an infrared temperature detector; 3. a first control device; 4. detecting an alarm device; 5. a second control device; 6. electrically driving the valve; 7. a terminal device; 8. a first communication module; 9. a second communication module; 10. a video monitoring device; 11. a smoke sensor; 12. audible and visual alarm device.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
the embodiment is a device for monitoring the working state of a gas stove through a range hood, and as shown in fig. 1, the device comprises the range hood, a first control device 3, a second communication module 9, an alarm device 4, a monitoring device installed on a kitchen wall, the gas stove, a first communication module 8, a second control device 5, an electric drive valve 6, a terminal device 7 and a power module 1, wherein the first communication module 8, the second communication module 9, the alarm device 4 and the monitoring device are installed on the gas stove. Monitoring device includes video monitoring device 10, alarm device is including installing smoke transducer 11, infrared temperature detector 2 in range hood oil smoke entrance and installing the audible and visual alarm device 12 of keeping away from oil smoke department on the range hood top, first controlling means and second communication module all install and keep away from oil smoke department on the range hood top, avoid the oil smoke to pollute, are convenient for assemble, dismantle and overhaul simultaneously.
The power module is connected with the second control device and the first control device and used for providing a working power supply, the second control device is connected with the first communication module and the electric drive valve, the first communication module is connected with the second communication module, the video monitoring device, the infrared sensor, the detection device and the sound-light alarm device are all connected with the first control device, and the second communication module is further connected with the terminal equipment. When the gas cooker is used, the gas cooker is started, the second control device transmits a starting signal to the second communication module through the first communication module and then transmits the starting signal to the first control device through the second communication module, the first control device controls the starting of the range hood and simultaneously controls the video monitoring device and the detection device to work, the video monitoring device detects whether people exist in a kitchen, the detection device detects the temperature rising rate of a cooker, if no people exist, the detection device is controlled to detect kitchen smoke and the temperature of the cooker, and whether abnormity exists is judged. If the abnormal condition exists, the first control device sends the control signal to the first communication module through the second communication module, and after the second control device receives the control signal through the first communication module, the second control device controls the electric drive valve to be closed, cuts off the supply of fuel gas, and ensures safety.
The embodiment is a method for monitoring the working state of a gas stove through a range hood, and as shown in fig. 2, the method comprises the following steps:
s1: opening the gas stove, sending a working instruction to the range hood by the gas stove, and starting the range hood;
and starting the range hood automatically according to the working signal of the gas stove. The manual operation instruction of the range hood is higher than the automatic operation instruction.
S2: the monitoring device judges whether a person exists in the kitchen, if no person exists in the kitchen, the step S3 is executed, and if yes, the range hood only executes monitoring and oil smoke suction operation;
in order to avoid the dry burning state when the gas is just in operation, the temperature rising rate of the cooker is measured after the gas is ignited for 5 minutes, so as to judge whether the cooker is in the dry burning state.
S3: the alarm device starts to work, detects whether the smoke and the temperature of the cooker are abnormal or not, and judges whether the smoke and the temperature of the cooker are abnormal or not;
a temperature threshold value and a temperature rising rate threshold value are preset, and when the temperature reaches the threshold value or the temperature rising rate reaches the threshold value, the temperature is abnormal. One of the following conditions is a dry-fire state: 1. the detection of the temperature of the cooker reaches more than 300 ℃; 2. the rising rate of the temperature of the cooker is more than 20 degrees/minute, and the temperature of the cooker is more than 200 degrees; 3. abnormal smoke is generated.
S4: if the temperature or the smoke is abnormal, the gas supply is cut off, and the air speed of the range hood is adjusted to the maximum;
a communication module is arranged between the range hood and the gas stove for timely communication; the gas path of the gas stove is provided with an electrically driven valve which can cut off the gas source, when the range hood detects the occurrence of abnormal conditions, the gas supply can be cut off, and simultaneously the wind speed of the range hood is adjusted to the maximum.
The method automatically judges whether the cooker is in an abnormal dry-burning state or not by measuring smoke, the temperature rising rate of the cooker and the temperature, and simultaneously monitors whether people operate the kitchen or not. If necessary, the supply of the fuel gas is cut off, and the safety is ensured.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (10)
1. A device for monitoring the working state of a gas stove through a range hood is characterized by comprising a power module (1) and the range hood, wherein the range hood comprises a communication device, a monitoring device, a range hood body, a first control device (3) and a detection alarm device (4) which are arranged on the range hood body, the gas stove also comprises the gas stove, the gas stove comprises a gas stove body and a second control device (5) which is arranged on the gas stove body, an electric drive valve (6) capable of cutting off a gas source is also arranged on the gas stove body, the power module (1) is connected with the first control device (3) and the second control device (5), the first control device (3) is connected with the detection alarm device (4) and the monitoring device, the communication module is connected with the first control device (3), the second control device (5) and a terminal device (7), the second control device (5) is connected with an electrically driven valve (6).
2. The device for monitoring the working state of the gas stove through the range hood according to claim 1, wherein the communication device comprises a first communication module (8) installed on the gas stove and a second communication module (9) installed on the range hood, the first communication module (8) is connected with the second control device (5) and is in communication connection with the second communication module (9), the second communication module (9) is connected with the first control device (3), and the second communication module (9) is further connected with a terminal device (7) and a monitoring device.
3. The device for monitoring the operating condition of the gas stove through the range hood according to claim 1, wherein the detection alarm device (4) comprises a detection device and an audible and visual alarm device (12), and the audible and visual alarm device (12) and the detection device are both connected with the first control device (3).
4. The device as claimed in claim 3, wherein the detecting means comprises an infrared cooker temperature detecting and temperature rising rate detecting means and a smoke detecting means, the infrared cooker temperature detecting and temperature rising rate detecting means is installed on the cooker body of the range hood, and the smoke detecting means is installed on the smoke inlet of the range hood body.
5. The device for monitoring the working state of the gas stove through the range hood according to claim 4, wherein the infrared cooker temperature detection and temperature rise rate detection device is an infrared temperature detector (2), and the smoke detection device comprises a smoke sensor (11).
6. The device for monitoring the working state of the gas stove through the range hood according to claim 1, wherein the monitoring device is a video monitoring device (10), and the video monitoring device (10) is connected with the first control device (3).
7. The device for monitoring the working state of the gas stove through the range hood as claimed in claim 1, wherein the first control device (3) further comprises a range hood fan control module, and the range hood fan control module is connected with a range hood fan.
8. A method for monitoring the working state of a gas stove by a range hood, which adopts the device of any one of claims 1 to 7, and is characterized by comprising the following steps:
s1: opening the gas stove, sending a working instruction to the range hood by the gas stove, and starting the range hood;
s2: the monitoring device judges whether a person exists in the kitchen, if no person exists in the kitchen, the step S3 is executed, if yes, the range hood only executes video monitoring work, and the range hood body and the gas stove body normally work;
s3: detecting whether the alarm device starts to work, detecting whether the smoke and the temperature of the cooker are abnormal or not, and judging whether the smoke and the temperature of the cooker are abnormal or not;
s4: if the temperature or the smoke is abnormal, the range hood controls the gas stove to cut off the gas supply.
9. The method for monitoring the working state of the gas stove through the range hood according to claim 8, wherein the step of determining whether the temperature is abnormal in the step S3 comprises the specific steps of: a temperature threshold value and a temperature rising rate threshold value are preset, and when the temperature reaches the threshold value or the temperature rising rate reaches the threshold value, the temperature is abnormal.
10. The method for monitoring the operating state of the gas stove through the range hood according to claim 8 or 9, wherein in the step S4, if the temperature or the smoke is abnormal, the specific steps of the range hood controlling the gas stove to cut off the gas supply include:
s4.1: the detection device detects that smoke or temperature is abnormal, sends an abnormal signal to the gas stove through the communication module, simultaneously adjusts a fan of the range hood to the maximum rotating speed, and starts the sound and light alarm device;
s4.2: the gas stove receives the control signal transmitted by the range hood, controls the electric drive valve to be closed, and cuts off the gas supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110989627.4A CN113639289A (en) | 2021-08-26 | 2021-08-26 | Device and method for monitoring working state of gas stove through range hood |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110989627.4A CN113639289A (en) | 2021-08-26 | 2021-08-26 | Device and method for monitoring working state of gas stove through range hood |
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| CN113639289A true CN113639289A (en) | 2021-11-12 |
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| CN202110989627.4A Pending CN113639289A (en) | 2021-08-26 | 2021-08-26 | Device and method for monitoring working state of gas stove through range hood |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009085491A (en) * | 2007-09-28 | 2009-04-23 | Rinnai Corp | Gas cooker |
| CN203873298U (en) * | 2014-04-25 | 2014-10-15 | 中山市西威厨房设备制造有限公司 | Integrated kitchen cabinet with double protecting functions |
| CN204084488U (en) * | 2014-09-17 | 2015-01-07 | 党雨晨 | A kind of Intelligent dry-combustion-proof kitchen range |
| CN107676822A (en) * | 2017-10-30 | 2018-02-09 | 安徽滁禾鑫茂科技有限公司 | A kind of cooking apparatus safety management system |
| CN208687796U (en) * | 2018-07-03 | 2019-04-02 | 孔军民 | A kind of cigarette stove coordinated control system |
| CN211526481U (en) * | 2019-10-30 | 2020-09-18 | 浙江绍兴苏泊尔生活电器有限公司 | Range hood, kitchen range and smoke and stove linkage system |
| CN212987292U (en) * | 2020-05-13 | 2021-04-16 | 宁波方太厨具有限公司 | Intelligent kitchen work system |
-
2021
- 2021-08-26 CN CN202110989627.4A patent/CN113639289A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009085491A (en) * | 2007-09-28 | 2009-04-23 | Rinnai Corp | Gas cooker |
| CN203873298U (en) * | 2014-04-25 | 2014-10-15 | 中山市西威厨房设备制造有限公司 | Integrated kitchen cabinet with double protecting functions |
| CN204084488U (en) * | 2014-09-17 | 2015-01-07 | 党雨晨 | A kind of Intelligent dry-combustion-proof kitchen range |
| CN107676822A (en) * | 2017-10-30 | 2018-02-09 | 安徽滁禾鑫茂科技有限公司 | A kind of cooking apparatus safety management system |
| CN208687796U (en) * | 2018-07-03 | 2019-04-02 | 孔军民 | A kind of cigarette stove coordinated control system |
| CN211526481U (en) * | 2019-10-30 | 2020-09-18 | 浙江绍兴苏泊尔生活电器有限公司 | Range hood, kitchen range and smoke and stove linkage system |
| CN212987292U (en) * | 2020-05-13 | 2021-04-16 | 宁波方太厨具有限公司 | Intelligent kitchen work system |
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