CN212299089U

CN212299089U - Gas stove safety protection device monitored by using sensor network technology

Info

Publication number: CN212299089U
Application number: CN202020869343.2U
Authority: CN
Inventors: 刘金凤; 单天洪
Original assignee: Wuxi Institute of Technology
Current assignee: Wuxi Institute of Technology
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-01-05
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses an utilize gas-cooker safety arrangement of sensor network technical monitoring relates to the sensor network field, and the device includes: the utility model discloses a gas stove, including sensing network module, main control module, remote terminal module and switch module, sensing network module is connected to main control module, main control module is connected to remote terminal module and switch module, sensing network module includes thermistor type temperature sensor, SOI high temperature pressure sensor and coordinator, temperature sensor and pressure sensor are connected to the coordinator respectively, main control module includes host processing ware and wireless module, the coordinator gathers data and transmits to the host processing ware, the host processing ware passes through wireless module and remote terminal module and connects, switch module includes relay and solenoid valve, host processing ware, relay and solenoid valve connect gradually, the break-make of solenoid valve control gas, the whole device of the device is small, and stability is good, do not receive the restriction whether someone in current gas stove environment, all can in time control the switching of gas-cooker.

Description

Gas stove safety protection device monitored by using sensor network technology

Technical Field

The utility model belongs to the technical field of the sensor network and specifically relates to an utilize sensor network technique monitoring gas-cooker safety arrangement.

Background

As a necessary product of most of families at present, a gas stove often has certain potential safety hazards in the use process, and particularly has the potential safety hazards of gas leakage caused by long-time forgetting to shut off fire in the processes of boiling water, cooking soup and the like.

At present, containers such as a common gas stove hot water kettle on the market basically have a basic safety alarm function, the basic principle is that water is boiled to generate a large amount of water vapor, and the water vapor can make the spring leaf vibrate and sound when passing through the spring leaf in the kettle cover so as to play the role of alarm, but if nobody is on site, the alarm cannot play any role, and still has potential safety hazards.

SUMMERY OF THE UTILITY MODEL

The inventor of the present invention provides a gas-cooker safety arrangement who utilizes sensor network technical monitoring to above-mentioned problem and technical demand, the technical scheme of the utility model as follows:

a gas stove safety protection device monitored by using a sensor network technology comprises a sensor network module, a main control module, a remote terminal module and a switch module, wherein the sensor network module is connected to the main control module, the main control module is connected to the remote terminal module and the switch module, the sensor network module comprises a thermistor type temperature sensor, an SOI (silicon on insulator) high-temperature pressure sensor and a coordinator, the thermistor type temperature sensor is fixed on a gas stove head, the SOI high-temperature pressure sensor is installed at the bottom of a gas stove, the thermistor type temperature sensor and the SOI high-temperature pressure sensor are respectively connected to the coordinator, the main control module comprises a main processor and a wireless module, the coordinator collects data and transmits the data to the main processor, and the main processor is connected with the remote terminal module through the wireless module, the remote control and control are realized through the remote terminal module, the switch module comprises a relay and an electromagnetic valve, the electromagnetic valve is installed on an air inlet pipeline of the gas stove, the main processor, the relay and the electromagnetic valve are sequentially connected, the main processor drives the relay to close the electromagnetic valve, and the automatic gas cut-off is completed.

The further technical scheme is that the main processor adopts a CC2530 singlechip.

The wireless module comprises a WIFI module, and the WIFI module adopts an ESP8266 chip.

The wireless module comprises a GSM module, and the GSM module adopts a DTU-900A chip.

The technical scheme is that the safety protection device is further provided with a loudspeaker, and the main processor is connected with the loudspeaker.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a set up the change that temperature sensor and pressure sensor come accurate perception domestic cooking utensils temperature and water yield to judge whether unusual the state of current gas-cooker, through the break-make of solenoid valve control gas-cooker, give the remote terminal module with water yield and temperature variation information transmission simultaneously, realize closing and opening of remote control gas-cooker, whole device is small, and stability is good, does not receive the restriction whether someone of current gas-cooker environment, all can the switching of in time control gas-cooker.

Drawings

Fig. 1 is a schematic structural view of the gas stove safety protection device of the present invention.

Fig. 2 is the utility model discloses a gas-cooker safety arrangement's WIFI module circuit connection schematic diagram.

Detailed Description

The following describes the embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1, the utility model discloses embodiment relates to a gas-cooker safety protection who utilizes sensor network technology control and prevents device that burns out, and the device includes sensor network module, main control module, remote terminal module and switch module, and sensor network module is connected to main control module, and main control module is connected to remote terminal module and switch module.

The sensing network module comprises a thermistor type temperature sensor, an SOI high-temperature pressure sensor and a coordinator, the thermistor type temperature sensor and the SOI high-temperature pressure sensor are respectively connected to the coordinator, the coordinator collects data of the two sensors and sends the data to the main control module, the thermistor type temperature sensor is fixed on a burner, the SOI high-temperature pressure sensor is installed at the bottom of the gas stove and used for detecting the temperature and the pressure of the current burner and a container, and meanwhile, the high-temperature sensor can be prevented from being exposed on a cooking bench; the SOI high-temperature pressure sensor is a silicon piezoresistive pressure sensor, can stably measure pressure in an environment below 280 ℃, adopts two types of sensors to monitor a gas stove, can reduce errors and avoid false alarm.

The main control module comprises a main processor and a wireless module, the wireless module is connected with a coordinator through the main processor, as shown in figure 2, the main processor adopts a CC2530 singlechip, the singlechip is an integrated circuit chip and comprises a central processor, a random access memory, a read-only memory, an input/output interface, an interrupt control system and a timing/counter, the wireless module adopts a WIFI module or a GSM module for remote communication, wherein the WIFI module adopts an ESP8266 chip which is specially designed for mobile equipment and Internet of things and can connect handheld equipment of a user to a WIFI network, so that the user can remotely know the current state of the device through a remote terminal module and remotely control the current state of the device to realize the on-off of the gas stove, the WIFI module communicates with the main processor through USB, and simultaneously dynamically controls the TTL data communication of the WIFI module and switches wires through USB, the realization is to burning of firmware and upgrading, and the additional addition resets the button and can let equipment restart, carries out 3.3V's of steady voltage power supply to the module, guarantees the normal operating of module.

The wireless module can also adopt a GSM module for remote communication, the GSM module adopts a DTU-900A chip, and the chip is a kernel short message module of an industrial grade double-frequency GSM/GPRS module produced by SIMCOM company, supports short message receiving and sending and GPRS connection, and is generally called as a short message modem.

The switch module comprises a relay and an electromagnetic valve, the electromagnetic valve is connected to the main processor through the relay, the main processor can drive the relay to close the electromagnetic valve, gas is automatically cut off, and the purpose of fire cutoff is achieved.

The safety protection device is also provided with a loudspeaker, and after the main processor drives a thyristor connected in series with the loudspeaker to send out a trigger signal, the loudspeaker sends out an alarm prompt.

The application has no specific method, and an embodiment is given for exemplary illustration: the main processor counts the temperature and the pressure of gathering according to certain frequency, and the temperature adopts the mean value of certain time interval to count, and pressure adopts gradient mean square error to count, and when the mean value of temperature and pressure variance change simultaneously great, when both ratios exceeded 127.5, then sent the police dispatch newspaper, sent the remote terminal module with alarm information through WIFI module or GSM module simultaneously, and the remote terminal module can real time control the switching of gas-cooker. When the ratio of the mean value of the temperature to the variance of the pressure reaches the maximum value, the ratio can be set to be 32767, the current temperature is very high, the pressure of the container is unchanged, the current container is in a dry state, the main processor drives the relay, the relay drives the electromagnetic valve, the air is cut off in time, and meanwhile, the decision is sent to the remote terminal module for confirmation.

What has been described above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiments. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and scope of the present invention are to be considered as included within the scope of the present invention.

Claims

1. A gas stove safety protection device monitored by using a sensor network technology is characterized by comprising a sensor network module, a main control module, a remote terminal module and a switch module, wherein the sensor network module is connected to the main control module, the main control module is connected to the remote terminal module and the switch module, the sensor network module comprises a thermistor type temperature sensor, an SOI (silicon on insulator) high-temperature pressure sensor and a coordinator, the thermistor type temperature sensor is fixed on a furnace end of a gas stove, the SOI high-temperature pressure sensor is installed at the bottom of the gas stove, the thermistor type temperature sensor and the SOI high-temperature pressure sensor are respectively connected to the coordinator, the main control module comprises a main processor and a wireless module, the coordinator collects data and transmits the data to the main processor, and the main processor is connected with the remote terminal module through the wireless module, the remote control and control are realized through the remote terminal module, the switch module comprises a relay and an electromagnetic valve, the electromagnetic valve is installed on an air inlet pipeline of the gas stove, the main processor, the relay and the electromagnetic valve are sequentially connected, the main processor drives the relay to close the electromagnetic valve, and automatic gas cut-off is completed.

2. The gas stove safety protection device monitored by using the sensor network technology as claimed in claim 1, wherein the main processor adopts a CC2530 single chip microcomputer.

3. The gas stove safety protection device monitored by using sensor network technology as claimed in claim 1, wherein the wireless module comprises a WIFI module, and the WIFI module adopts an ESP8266 chip.

4. The gas stove safety protection device monitored by using the sensor network technology as claimed in claim 1, wherein the wireless module comprises a GSM module, and the GSM module adopts a DTU-900A chip.

5. The gas stove safety protection device monitored by using the sensor network technology as claimed in claim 1, wherein the safety protection device is further provided with a speaker, and the main processor is connected with the speaker.