CN216119009U

CN216119009U - Kitchen atmospheric environment's early warning monitoring devices

Info

Publication number: CN216119009U
Application number: CN202122374675.0U
Authority: CN
Inventors: 王宸绪; 卢楚翰; 毕菲娅; 赵江寒; 高硕杰
Original assignee: Nanjing University of Information Science and Technology
Current assignee: Nanjing University of Information Science and Technology
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-22
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to an early warning and monitoring device for a kitchen atmospheric environment, and belongs to the field of kitchen early warning and monitoring devices. It includes shell (20), the mainboard, bee calling organ (50), LED lamp (60), switch (70), liquid crystal touch-control display panel (81), camera (82), microphone (83), information storage module (84), stereo set (85), charge management chip (86), smoke transducer (91), combustible gas sensor (92), temperature and humidity sensor (93), oil smoke concentration sensor (94), flame sensor (95), carry out accurate calculation to kitchen oil smoke concentration numerical value, for the user provides the monitoring of family's oil smoke early warning, temperature and humidity monitoring, combustible gas leaks the omnidirectional safety guarantee of multi-angle such as monitoring.

Description

Kitchen atmospheric environment's early warning monitoring devices

Technical Field

The utility model relates to an early warning and monitoring device for a kitchen atmospheric environment, and belongs to the field of kitchen early warning and monitoring devices.

Background

Kitchen safety not only relates to instant safety incidents such as gas leakage, naked light accident, etc., but also relates to instant environmental pollution and continuous human health hazard brought by high oil smoke environment caused by personal use habits and low or reduced performance of a household range hood. However, no comprehensive safe environment monitoring system for detecting the instant oil smoke concentration in a kitchen and oil smoke pollution caused by performance reduction of a range hood for household use exists in the current market.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides an early warning and monitoring device for the atmospheric environment of a kitchen, which is used for detecting the concentration of kitchen oil smoke and oil smoke pollution and the concentration of combustible gas caused by the performance reduction of a range hood in real time.

The technical scheme of the utility model is as follows:

the utility model discloses an early warning and monitoring device for a kitchen atmospheric environment, which comprises a shell, a main board, a buzzer, an LED lamp, a switch, a liquid crystal touch display panel, a camera, a microphone, an information storage module, a sound device, a charging management chip, a smoke sensor, a combustible gas sensor, a temperature and humidity sensor, an oil smoke concentration sensor and a flame sensor, wherein the shell is in a cuboid shape, the front part of the shell is a panel, the front part of the shell is a bottom plate, the front part of the shell is a top plate, the left side or the right side of the shell is a ventilating plate, a sensor fixing partition plate is arranged on one side in the shell and is parallel to the ventilating plate, the buzzer, the LED lamp, the switch, the liquid crystal touch display panel, the camera, the microphone and the sound device are sequentially arranged on the outer side of the panel, and the smoke sensor, the combustible gas sensor, the smoke sensor, the temperature and humidity sensor, the oil smoke concentration sensor, the smoke sensor, the flame sensor and the flame sensor are sequentially arranged on the outer side of the panel, The flame sensors are respectively fixed on the outer sides of the sensor fixing partition plates;

the mainboard is arranged in the shell and comprises a central processing chip, a wireless network card, a GPIO expansion interface, an HDMI interface, a clamping groove, a CSI interface, a USB interface, an audio interface and a power interface, wherein the wireless network card, the GPIO expansion interface, the HDMI interface, the clamping groove, the CSI interface, the USB interface, the audio interface and the power interface are respectively connected with the central processing chip,

the buzzer, the LED lamp, the switch, the smoke sensor, the combustible gas sensor, the temperature and humidity sensor, the oil smoke concentration sensor and the flame sensor are respectively connected with the central processing chip through the GPIO expansion interface, the liquid crystal touch display panel is connected with the central processing chip through the HDMI interface, the camera is connected with the central processing chip through the CSI interface, the microphone is connected with the central processing chip through the audio interface, the sound box is connected with the central processing chip through the USB interface,

the information storage module is arranged inside the shell and connected with the central processing chip through the clamping groove, and the charging management chip is arranged inside the shell and connected with the central processing chip through the power interface.

Optionally, a plurality of air holes or air grids are arranged on the air permeable plate.

Optionally, the bottom plate is provided with an external power interface and a battery box, and the external power interface and the battery box are respectively connected with the charging management chip.

Optionally, a magnetic attraction sheet is arranged on the inner side or the outer side of the top plate.

Optionally, the smoke sensor is provided with a GND pin of the smoke sensor, a DOUT pin of the smoke sensor and a VCC pin of the smoke sensor, the GND pin of the smoke sensor is connected with the GND pin of the GPIO expansion interface, the DOUT pin of the smoke sensor is connected with the GPIO18 pin of the GPIO expansion interface, and the VCC pin of the smoke sensor is connected with the 5V0 pin of the GPIO expansion interface.

Optionally, the combustible gas sensor is provided with a GND pin of the combustible gas sensor, a DOUT pin of the combustible gas sensor and a VCC pin of the combustible gas sensor, the GND pin of the combustible gas sensor is connected with the GND pin of the GPIO expansion interface, the DOUT pin of the combustible gas sensor is connected with the GPIO23 pin of the GPIO expansion interface, and the VCC pin of the combustible gas sensor is connected with the 5V0 pin of the GPIO expansion interface.

Optionally, the temperature and humidity sensor is provided with a GND pin of the temperature and humidity sensor, a DOUT pin of the temperature and humidity sensor and a VCC pin of the temperature and humidity sensor, the GND pin of the temperature and humidity sensor is connected with the GND pin of the GPIO expansion interface, the DOUT pin of the temperature and humidity sensor is connected with the GPIO24 pin of the GPIO expansion interface, and the VCC pin of the temperature and humidity sensor 93 is connected with the 5V0 pin of the GPIO expansion interface.

Optionally, the oil smoke concentration sensor is provided with a GND pin of the oil smoke concentration sensor, a DOUT pin of the oil smoke concentration sensor and a VCC pin of the oil smoke concentration sensor, the GND pin of the oil smoke concentration sensor is connected with the GND pin of the GPIO expansion interface, the DOUT pin of the oil smoke concentration sensor is connected with the GPIO20 pin of the GPIO expansion interface, and the VCC pin of the oil smoke concentration sensor is connected with the 5V0 pin of the GPIO expansion interface.

Optionally, the flame sensor is provided with a GND pin of the flame sensor, a DOUT pin of the flame sensor and a VCC pin of the flame sensor, the GND pin of the flame sensor is connected with the GND pin of the GPIO expansion interface, the DOUT pin of the flame sensor is connected with the GPIO19 pin of the GPIO expansion interface, and the VCC pin of the flame sensor is connected with the 5V0 pin of the GPIO expansion interface.

Advantageous effects

1. The early warning and monitoring device for the kitchen atmospheric environment disclosed by the utility model can be used for accurately calculating the kitchen oil smoke concentration value through the organic combination of various sensors, and providing multi-angle and all-around safety guarantee for a user, such as household oil smoke early warning and monitoring, temperature and humidity monitoring, combustible gas leakage monitoring and the like;

2. the early warning monitoring device for the atmospheric environment of the kitchen is small and portable, is easy to disassemble and wash, and can be installed at any position of the kitchen; the system has the function of the Internet of things, sends the sensor parameters to the user in real time, carries out interactive monitoring, and is convenient and practical.

Drawings

Fig. 1 is an external view of an early warning and monitoring device for kitchen atmosphere environment according to the present invention;

FIG. 2 is another schematic exterior view of an early warning and monitoring device for kitchen atmosphere according to the present invention;

FIG. 3 is a schematic plan view of a motherboard;

FIG. 4 is a perspective view of the motherboard;

FIG. 5 is a schematic diagram of a pin connection of a motherboard;

wherein:

3V3 pin 1 of GPIO expansion interface

5V0 pin 2 of GPIO expansion interface

GND pin 3 of GPIO expansion interface

GPIO4 interface 4 of GPIO expansion interface

GND pin 5 of GPIO expansion interface

GPIO18 pin 6 of GPIO expansion interface

GPIO23 pin 7 of GPIO expansion interface

GPIO24 pin 8 of GPIO expansion interface

GPIO13 pin 9 of GPIO expansion interface

GPIO19 pin 10 of GPIO expansion interface

GPIO26 pin 11 of GPIO expansion interface

GPIO20 pin 12 of GPIO expansion interface

Outer casing 20

Panel 21

Air permeable plate 25

Bottom plate 23

Top surface 24

Sensor fixing spacer 26

Air vent 27

Air permeable grid 28

Wireless network card 30

Buzzer 50

GND pin 51 of buzzer

I/O pin 52 of buzzer

VCC pin 53 of buzzer

LED lamp 60

GND pin 61 of LED lamp

I/O pin 62 of LED lamp

Switch 70

GND pin 71 of switch

Switch I/O pin 72

Liquid crystal touch display panel 81

Camera 82

Microphone 83

Information storage module 84

Sound 85

Charging management chip 86

External power supply interface 87

Battery box 88

Smoke sensor 91

GND pin 911 of smoke sensor

DOUT pin 912 of smoke sensor

VCC pin 913 for a smoke sensor

Combustible gas sensor 92

GND pin 921 of combustible gas sensor

DOUT pin 922 of combustible gas sensor

VCC pin 923 of combustible gas sensor

Temperature and humidity sensor 93

GND pin 931 of temperature and humidity sensor

DOUT pin 932 of temperature and humidity sensor

VCC pin 933 of temperature and humidity sensor

Lampblack concentration sensor 94

GND pin 941 of oil smoke concentration sensor

DOUT pin 942 of oil smoke concentration sensor

VCC pin 943 of oil smoke concentration sensor

Flame sensor 95

GND pin 951 of flame sensor

DOUT pin 952 of flame sensor

VCC pin 953 of the flame sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the utility model. It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 and fig. 2, the appearance of the early warning and monitoring device for the kitchen atmospheric environment is schematically illustrated, the whole device is rectangular, and the housing 20 is made of hydrophobic and oleophobic high temperature resistant material, and is easy to clean and install. The front of the housing 20 is a panel 21, a bottom plate 23 is arranged right below the panel, a top plate 24 is arranged right above the panel, and a ventilation plate 25 is arranged on the left side or the right side of the panel, wherein the ventilation plate 25 is a detachable side plate, so that the cleaning is convenient.

The ventilation plate 25 is provided with a plurality of ventilation holes 27 or ventilation grids 28, which are indicated by the ventilation holes 27 in fig. 1, and the number of the ventilation holes 27 is determined according to actual needs. In fig. 2, the air permeable grid 28 is illustrated. The position of the ventilation plate 25 is determined according to the actual installation condition so as to ensure that the ventilation plate 25 is installed on the air circulation side, and meanwhile, the dust in the air can be effectively prevented from falling to a sensor, a main board and the like of the shell 20 to influence the monitoring precision.

A sensor fixing spacer 26 is provided on one side of the inside of the casing 20, and the sensor fixing spacer 26 is generally parallel to the air-permeable plate 25. Smoke transducer 91, combustible gas sensor 92, temperature and humidity sensor 93, oil smoke concentration sensor 94, flame sensor 95 are fixed in the lateral surface of sensor fixed partition 26 to abundant contact air current makes inside the ambient atmosphere access device, judges the ambient air parameter by each sensor again, to kitchen oil smoke concentration numerical value, humiture numerical value, the accurate calculation of combustible gas numerical value, provide the safety monitoring of family for the user through the high performance treater. Meanwhile, each sensor is separated from the main board by the sensor fixing partition plate 26, the main board is prevented from being corroded by water vapor, oil stains and the like in the environment, and the service life of the main board is prolonged. Generally, a temperature and humidity sensor 93 adopts a DHT11 temperature and humidity sensor, an oil smoke concentration sensor 94 adopts a TGS2602 oil smoke concentration sensor, a combustible gas sensor 92 adopts an MQ-9 combustible gas sensor, and a smoke sensor 91 adopts an MQ-2 smoke sensor.

The buzzer 50, the LED lamp 60, the liquid crystal touch display panel 81, the camera 82, the speaker 85, the microphone 83 and the switch 70 may be sequentially installed on the outer side of the panel 21 from left to right, and the positions of the buzzer 50, the LED lamp 60, the liquid crystal touch display panel 81, the camera 82, the speaker 85, the microphone 83 and the switch 70 are not limited. The LED lamp 60 includes a yellow LED lamp, a red LED lamp, and a green LED lamp. The liquid crystal touch display panel 81 displays electric quantity, wireless signals, current mode, current environmental atmospheric parameters, and the like.

The bottom plate 23 of the housing 20 is provided with an external power supply interface 87 and a battery box 88, and the external power supply interface 87 and the battery box 88 are respectively connected to a charging management chip 86 provided in the housing 20.

The inner side or the outer side of the top plate 24 can be provided with the magnetic suction sheet 29, and the magnetic suction sheet 29 can be adsorbed on any metal surface in a kitchen, such as a refrigerator, a range hood, an integrated stove and the like, so that the kitchen space is not occupied, and the space utilization rate is improved. Meanwhile, the device can be placed at any ventilating position of a kitchen to achieve the same early warning and monitoring effects.

1. The motherboard is disposed inside the housing 20, and is provided with a central processing chip, a wireless network card 30, a GPIO expansion interface, an HDMI interface, a card slot, a CSI interface, a USB interface, an audio interface, an information storage module 84, a charging management chip 86, and a power interface, as shown in fig. 3 and 4.

The wireless network card 30, the GPIO expansion interface, the HDMI interface, the card slot, the CSI interface, the USB interface, the audio interface and the power interface are respectively connected with the central processing chip, and the central processing chip adopts raspberry RaspberryPi 4B and is provided with a fan-type radiator. The central processing chip adopts an ARM central processing chip as a core processor, has strong operation performance, can process various sensor data in real time, can process audio files, and has good performance and expansibility. The wireless network card 30 enables the central processing chip to access the network through the family WiFi, and when an accident precursor or an accident occurs, a user can timely receive alarm information through the WeChat public number and timely respond, so that property loss is reduced.

Buzzer 50, LED lamp 60, switch 70, smoke sensor 91, combustible gas sensor 92, temperature and humidity sensor 93, oil smoke concentration sensor 94, flame sensor 95 pass through GPIO respectively and extend the interface with the central processing chip is connected, liquid crystal touch-control display panel 81 pass through the HDMI interface with the central processing chip is connected, camera 82 adopts CSI interface camera (500 ten thousand pixels), through CSI interface connection with the central processing chip is connected. The microphone 83 is connected with the central processing chip through an audio interface, and the sound box 85 is connected with the central processing chip through a USB interface.

Specifically, as shown in fig. 5, the buzzer 50 is provided with a GND pin 51 of the buzzer, an I/O pin 52 of the buzzer and a VCC pin 53 of the buzzer 50, and the GND pin 51 of the buzzer is connected with the GND pin 5 of the GPIO expansion interface through a lead wire to realize a grounding function; the I/O pin 52 of the buzzer is connected with the GPIO26 pin 11 of the GPIO expansion interface to realize the input and output functions of electric signals; the VCC pin 53 of the buzzer is connected with the 3V3 pin 1 of the GPIO expansion interface, so that the function of supplying power to the buzzer 50 is realized, and when different electrical signals are input, the buzzer 50 can alarm according to different modes.

The LED lamp 60 is provided with a GND pin 61 of the LED lamp and an I/O pin 62 of the LED lamp, so that the grounding function is realized; the GND pin 61 of the LED lamp is connected with the GND pin 5 of the GPIO expansion interface through a lead wire, the I/O pin of the LED lamp is connected with the GPIO4 interface 4 of the GPIO expansion interface, so that the input and output functions of electric signals are realized, and when different electric signals are input, different LED lamps of the LED lamp module can flicker according to different modes.

The switch 70 is provided with a GND pin 71 of the switch and an I/O pin 72 of the switch, and the GND pin 71 of the switch is connected with the GND pin 5 of the GPIO expansion interface to realize the grounding function; the I/O pin 72 of the switch is connected with a GPIO13 pin 9 of the GPIO expansion interface, so that the input and output functions of electric signals are realized.

The smoke sensor 91 is provided with a GND pin 911 of the smoke sensor, a DOUT pin 912 of the smoke sensor and a VCC pin 913 of the smoke sensor, and the GND pin 911 of the smoke sensor is connected with a GND pin 3 of the GPIO expansion interface to realize a grounding function; the DOUT pin 912 of the smoke sensor is connected with a GPIO18 pin 6 of the GPIO expansion interface to realize the function of outputting digital signals; the VCC pin 913 of the smoke sensor is connected with the 5V0 pin 2 of the GPIO expansion interface, so that the power supply function is realized.

The combustible gas sensor 92 is provided with a GND pin 921 of the combustible gas sensor 92, a DOUT pin 922 of the combustible gas sensor and a VCC pin 923 of the combustible gas sensor, and the GND pin 921 of the combustible gas sensor is connected with a GND pin 3 of the GPIO expansion interface to realize the grounding function; a DOUT pin 922 of the combustible gas sensor is connected with a GPIO23 pin 7 of the GPIO expansion interface, so that the function of outputting digital signals is realized; VCC pin 923 of combustible gas sensor is connected with 5V0 pin 2 of GPIO expansion interface, realizes the power supply function.

The temperature and humidity sensor 93 is provided with a GND pin 931 of the temperature and humidity sensor, a DOUT pin 932 of the temperature and humidity sensor and a VCC pin 933 of the temperature and humidity sensor, and the GND pin 931 of the temperature and humidity sensor is connected with a GND pin 3 of the GPIO expansion interface to realize a grounding function; a DOUT pin 932 of the temperature and humidity sensor is connected with a GPIO24 pin 8 of the GPIO expansion interface to realize the function of outputting digital signals; and a VCC pin 933 of the temperature and humidity sensor is connected with a 5V0 pin 2 of the GPIO expansion interface, so that a power supply function is realized.

The oil smoke concentration sensor 94 is provided with a GND pin 941 of the oil smoke concentration sensor, a DOUT pin 942 of the oil smoke concentration sensor and a VCC pin 943 of the oil smoke concentration sensor, and the GND pin 941 of the oil smoke concentration sensor is connected with the GND pin 3 of the GPIO expansion interface to realize a grounding function; the DOUT pin 942 of the oil smoke concentration sensor is connected with the GPIO20 pin 12 of the GPIO expansion interface to realize the function of outputting digital signals; VCC pin 943 of oil smoke concentration sensor is connected with 5V0 pin 2 of GPIO expansion interface, realizes the power supply function.

The flame sensor 95 is provided with a GND pin 951 of the flame sensor, a DOUT pin 952 of the flame sensor and a VCC pin 953 of the flame sensor, and the GND pin 951 of the flame sensor is connected with a GND pin 5 of the GPIO expansion interface to realize the grounding function; the DOUT pin 952 of the flame sensor is connected with the GPIO19 pin 10 of the GPIO expansion interface to realize the function of outputting digital signals; VCC pin 953 of flame sensor is connected with 5V0 pin 2 of GPIO expansion interface, realizes the power supply function.

An information storage module 84 and a charge management chip 86 are also disposed inside the housing 20. The information storage module 84 is connected to the cpu through a card slot. The charging management chip 86 is connected to the central processing chip through a power interface, and the external power interface 87 and the battery box 88 are respectively connected to the charging management chip 86. The battery in the battery box 88 is a lithium ion battery.

In use, the switch 70 is turned on, and the green LED light of the LED lights 60 will remain lit, indicating that the device is operating and that all the detected ambient air parameters are normal. When power is insufficient, the green light in the LED lights 60 will continue to flash, alerting the user that charging is needed. The user may charge the device through the external power interface 87. The smoke sensor 91, the combustible gas sensor 92, the temperature and humidity sensor 93, the oil smoke concentration sensor 94 and the flame sensor 95 monitor the kitchen atmosphere environment in real time, acquire the smoke value, the combustible gas value, the temperature value, the humidity value and the oil smoke concentration value of the current environment, and transmit the signals to the central processing chip for further processing through leads (see fig. 4 in detail). When the dangerous condition is detected, the LED lamp 60 and the buzzer 50 can remind and alarm according to a preset mode, the liquid crystal touch display panel can display corresponding dangerous information, and meanwhile, the alarm information can be sent to the mobile terminal through the central processing chip through a network.

Meanwhile, the temperature and humidity sensor 93 monitors the environmental temperature and humidity value in real time and displays the environmental temperature and humidity value on the liquid crystal touch display panel 81. Meanwhile, the central processing chip processes the digital signal returned by the oil smoke concentration sensor 94 into an oil smoke relative concentration value of the environment, and displays the oil smoke relative concentration value of the environment on the liquid crystal touch display panel 81, and the information storage module 84 records the oil smoke relative concentration value at each moment so as to monitor the environment oil smoke concentration for a long time, and the result of the long-time monitoring can be checked at a mobile terminal through a network and can also be displayed on the liquid crystal touch display panel 81. When the long-term monitoring result is judged that the relative concentration value of the oil smoke is continuously higher, the yellow LED lamp in the LED lamps 60 can continuously flicker to remind a user of the health of the oil smoke, so that the user can timely eliminate hidden dangers and avoid related diseases caused by long-term oil smoke suction. When the smoke sensor 91 monitors that the environmental smoke concentration value is too high, the buzzer 50 will give an alarm, the red LED lamp in the LED lamp 60 is turned on, the camera 82 will automatically turn on the real-time video of the shooting site, and meanwhile, the device will send the dangerous information and the real-time video to the user mobile terminal through the network. When the combustible gas sensor 92 monitors that the concentration value of the environment combustible gas is too large, the buzzer 50 will give an alarm, a red LED lamp in the LED lamps 60 is turned on, and meanwhile, the device sends danger information to a user mobile terminal through a network. When the flame sensor 95 monitors that the environmental flame value is too large, the buzzer 50 will give an alarm, the red LED lamp in the LED lamp 60 is turned on, the camera 82 will automatically turn on the real-time video of the shooting site, and meanwhile, the device will send the dangerous information and the real-time video to the user mobile terminal through the network. The monitored parameters are displayed on the lcd touch panel 81. Meanwhile, the alarm mode and volume of the LED lamp 60 and the buzzer 50 can be controlled by the liquid crystal touch display panel 81. The microphone 83 and the sound 85 can perform voice control through a voice recognition program preset by the central processing chip, the microphone 83 receives voice from the outside, and the sound 85 returns a related prompt to guide a user to perform operation, such as: if the concentration of the oil smoke exceeds the standard, please increase the exhaust or clean the range hood. Meanwhile, the user can control the opening and closing of the camera 82 through the mobile phone end to monitor the kitchen environment in real time. Through the voice module (microphone, sound equipment) and the touch display device, the man-machine interaction operation can be well realized. The voice control module provides good operability for the intelligent alarm system of the old people at home, and the touch display device can display various parameters of the current kitchen environment and has intuition. The charging management chip 86 will preferentially use the external power supply to power the device and the battery in the battery box 88 when the external power supply is available; in the absence of an external power source, the device is powered by batteries in the battery compartment 88.

In conclusion, the intelligent novel kitchen atmospheric environment early warning and monitoring device provided by the utility model adopts the gas sensor, the smoke sensor, the flame sensor and the oil smoke concentration sensor to monitor the kitchen atmospheric environment in real time, and alarms or reminds users in the modes of LED lamps, buzzers, sound equipment, Internet of things and the like. The user can control the equipment through the touch liquid crystal display panel and the microphone, and humanization, practicability and intellectualization are realized.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the embodiments of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The early warning and monitoring device for the kitchen atmospheric environment is characterized by comprising a shell (20), a mainboard, a buzzer (50), an LED lamp (60), a switch (70), a liquid crystal touch display panel (81), a camera (82), a microphone (83), an information storage module (84), a sound box (85), a charging management chip (86), a smoke sensor (91), a combustible gas sensor (92), a temperature and humidity sensor (93), an oil smoke concentration sensor (94) and a flame sensor (95), wherein the shell (20) is cuboid, a panel (21) is arranged right in front of the shell, a bottom plate (23) is arranged right below the shell, a top plate (24) is arranged right above the shell, a ventilating plate (25) is arranged on the left side or right side of the shell, a sensor fixing partition plate (26) is arranged on one side in the shell (20), and the sensor fixing partition plate (26) is parallel to the ventilating plate (25), the buzzer (50), the LED lamp (60), the switch (70), the liquid crystal touch display panel (81), the camera (82), the microphone (83) and the sound box (85) are sequentially arranged on the outer side of the panel (21), and the smoke sensor (91), the combustible gas sensor (92), the temperature and humidity sensor (93), the oil smoke concentration sensor (94) and the flame sensor (95) are respectively fixed on the outer side of the sensor fixing partition plate (26);

the mainboard is arranged in the shell (20) and comprises a central processing chip, a wireless network card (30), a GPIO expansion interface, an HDMI interface, a card slot, a CSI interface, a USB interface, an audio interface and a power interface, wherein the wireless network card (30), the GPIO expansion interface, the HDMI interface, the card slot, the CSI interface, the USB interface, the audio interface and the power interface are respectively connected with the central processing chip,

the buzzer (50), the LED lamp (60), the switch (70), the smoke sensor (91), the combustible gas sensor (92), the temperature and humidity sensor (93), the oil smoke concentration sensor (94) and the flame sensor (95) are respectively connected with the central processing chip through the GPIO expansion interface, the liquid crystal touch display panel (81) is connected with the central processing chip through the HDMI interface, the camera (82) is connected with the central processing chip through the CSI interface, the microphone (83) is connected with the central processing chip through the audio interface, the sound box (85) is connected with the central processing chip through the USB interface,

the information storage module (84) is arranged inside the shell (20) and is connected with the central processing chip through the card slot, and the charging management chip (86) is arranged inside the shell (20) and is connected with the central processing chip through the power interface.

2. The warning and monitoring device as claimed in claim 1, wherein the ventilation plate (25) is provided with a plurality of ventilation holes (27) or ventilation grids (28).

3. The warning and monitoring device as claimed in claim 1, wherein the base plate (23) is provided with an external power interface (87) and a battery box (88), and the external power interface (87) and the battery box (88) are respectively connected with the charging management chip (86).

4. The warning and monitoring device as claimed in claim 1, characterized in that a magnetically attractive piece (29) is arranged on the inside or outside of the top plate (24).

5. The warning and monitoring device according to any one of claims 1 to 4, wherein the smoke sensor (91) is provided with a GND pin (911) of the smoke sensor, a DOUT pin (912) of the smoke sensor and a VCC pin (913) of the smoke sensor, the GND pin (911) of the smoke sensor is connected with the GND pin (3) of the GPIO expansion interface, the DOUT pin (912) of the smoke sensor is connected with a GPIO18 pin (6) of the GPIO expansion interface, and the VCC pin (913) of the smoke sensor is connected with a 5V0 pin (2) of the GPIO expansion interface.

6. The early warning monitoring device according to any one of claims 1 to 4, wherein the combustible gas sensor (92) is provided with a GND pin (921) of the combustible gas sensor, a DOUT pin (922) of the combustible gas sensor and a VCC pin (923) of the combustible gas sensor, the GND pin (921) of the combustible gas sensor is connected with the GND pin (3) of the GPIO expansion interface, the DOUT pin (922) of the combustible gas sensor is connected with the GPIO23 pin (7) of the GPIO expansion interface, and the VCC pin (923) of the combustible gas sensor is connected with the 5V0 pin (2) of the GPIO expansion interface.

7. The early warning and monitoring device according to any one of claims 1 to 4, wherein the temperature and humidity sensor (93) is provided with a GND pin (931) of the temperature and humidity sensor, a DOUT pin (932) of the temperature and humidity sensor and a VCC pin (933) of the temperature and humidity sensor, the GND pin (931) of the temperature and humidity sensor is connected with the GND pin (3) of the GPIO expansion interface, the DOUT pin (932) of the temperature and humidity sensor (93) is connected with a GPIO24 pin (8) of the GPIO expansion interface, and the VCC pin (933) of the temperature and humidity sensor (93) is connected with a 5V0 pin (2) of the GPIO expansion interface.

8. The early warning and monitoring device according to any one of claims 1 to 4, wherein the oil smoke concentration sensor (94) is provided with a GND pin (941) of the oil smoke concentration sensor, a DOUT pin (942) of the oil smoke concentration sensor and a VCC pin (943) of the oil smoke concentration sensor, the GND pin (941) of the oil smoke concentration sensor is connected with the GND pin (3) of the GPIO expansion interface, the DOUT pin (942) of the oil smoke concentration sensor is connected with the GPIO20 pin (12) of the GPIO expansion interface, and the VCC pin (943) of the oil smoke concentration sensor is connected with a 5V0 pin (2) of the GPIO expansion interface.

9. The warning and monitoring device according to any one of claims 1 to 4, wherein the flame sensor (95) is provided with a GND pin (951) of the flame sensor, a DOUT pin (952) of the flame sensor and a VCC pin (953) of the flame sensor, the GND pin (951) of the flame sensor is connected with a GND pin (5) of the GPIO expansion interface, the DOUT pin (952) of the flame sensor is connected with a GPIO19 pin (10) of the GPIO expansion interface, and the VCC pin (953) of the flame sensor is connected with a 5V0 pin (2) of the GPIO expansion interface.