CN211060973U

CN211060973U - Intelligent house environmental monitoring device of single chip microcomputer control

Info

Publication number: CN211060973U
Application number: CN201922449587.5U
Authority: CN
Inventors: 张梦龙; 凌六一; 汪磊; 秦晓伟
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-07-21
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a single chip microcomputer controlled intelligent home environment monitoring device, which mainly comprises a main control module, a detection module, a communication module, an execution module and a power supply module; the utility model discloses can detect the humiture of environment, PM2.5 size, formaldehyde gas and carbon monoxide gas content, show on the display screen to convey the information to the cell-phone through bluetooth module and show, when gas concentration exceeded the default, the controller sent signal control emitting diode scintillation and sent information to the cell-phone, when harmful gas concentration surpassed the highest setting value, bee calling organ response diode twinkle and sent information to cell-phone and external world, guaranteed user's safety; the utility model is connected with the button of the doorbell outside the door through the Bluetooth, and when someone presses the button, the buzzer responds to the prompt; the utility model discloses have and charge and fix a position and prevent losing the function for the mobile device.

Description

Intelligent house environmental monitoring device of single chip microcomputer control

Technical Field

The utility model relates to an environmental monitoring field is a single chip microcomputer control's intelligent house environmental monitoring device particularly.

Background

With the development of economy, people pursue higher and higher quality of life, so the requirements on the living environment of the people are improved, and particularly the requirements on the indoor environment of the home are higher, such as indoor temperature and humidity, harmful gas content and PM 2.5. Current environmental monitoring device all is great type equipment, because often detect, the air inlet often can be blockked up by the large granule dust, generally only has monitoring function moreover to do not possess functions such as the house is convenient, dangerous warning, loss prevention.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a single chip microcomputer control's intelligent house environmental monitoring device.

The utility model adopts the technical proposal that:

1. the intelligent household environment monitoring device controlled by the single chip microcomputer comprises an upper detachable shell and a lower shell, wherein the upper detachable shell and the lower shell mainly comprise a main control module, a detection module, a communication module, an execution module and a power supply module; the main control module comprises an STM32F103 controller, switch keys and a display screen; the detection module comprises a temperature and humidity sensor, a PM2.5 sensor, a formaldehyde sensor, a carbon monoxide sensor and an A/D converter; the communication module comprises a GSM module, a Bluetooth module and a GPS module; the execution module comprises a buzzer and a light emitting diode; the temperature and humidity sensor, the PM2.5 sensor, the formaldehyde sensor and the carbon monoxide sensor are connected with the A/D converter, the A/D converter is connected with the STM32F103 controller, the GSM module, the Bluetooth module, the GPS module, the display screen, the buzzer, the light emitting diode and the lithium battery are respectively connected with the STM32F103 controller, and the charge and discharge module is connected with the lithium battery.

2. The controller of the main control module uses an STM32F103 type single chip microcomputer, the STM32F103 integrates a DMA controller, an AD/DA converter, a quick I/O port and various communication ports, a power management circuit is arranged in the controller, the power is low, the running speed is high, high-speed communication among the modules can be well completed, and expected functions can be better completed.

3. The model of the temperature and humidity sensor in the detection module is DHT11, the model of the PM2.5 sensor is GP2Y1010AU0F, the model of the formaldehyde sensor is ZE08-CH2O electrochemical formaldehyde sensor, the model of the carbon monoxide sensor is CO-B4, the model of the A/D converter is PCF8591, the detection module can detect the temperature and humidity around the environment, PM2.5, the concentration of formaldehyde gas and the concentration of carbon monoxide gas, the information is transmitted to the A/D converter, the A/D converter converts the detected analog signals into digital signals and transmits the digital signals to the STM32F103 controller, the STM32F103 controller converts the digital signals into digital signals and transmits the digital signals to the main control unit through the Bluetooth module, and the data are displayed on the display screen and are transmitted to the STM32F103 controller to be displayed, and if the PM2.5 value or the concentration of harmful gases is detected to exceed the preset value.

4. The type of a GSM module in the communication module is GPRS-MG301-V1, the type of a Bluetooth module is HC-05, the type of a GPS module is ATK-NEO-6M, the GPS module in the communication module can position the position of a user in real time, the position can be sent to a mobile phone of the user through the Bluetooth module, measurement information of a detection module can be sent to the mobile phone of the user, when the concentration of harmful gas exceeds the maximum limit, the single chip microcomputer controls the GSM module to send an alarm short message to the mobile phone, a buzzer responds, a light emitting diode flickers, and meanwhile, an emergency short message can be sent outwards through the GSM module of the environment monitoring device; when the device is lost, a corresponding short message can be sent to the device, and the device can automatically acquire the current position information and send the current position information to the mobile phone of the user.

5. The keyboard input in the main control module adopts an independent key, namely a 'main switch', the display screen adopts a 0.96-inch O L ED display module, and the module has the advantages of capability of displaying Chinese characters and simplicity in control.

6. The execution module in use bee calling organ to realize the sound production, use emitting diode to realize the function that the scintillation was reminded, when harmful gas concentration surpassed safety range, bee calling organ produced the sound, emitting diode scintillation.

7. The power module in use the lithium cell to supply power to the device, the model that the module of charging and discharging used is TP4056, use this module can realize charging or the lithium cell to the mobile device to the lithium cell.

Furthermore, the upper portion can be dismantled the casing and be equipped with dustproof filter screen.

Furthermore, a hook with a rotating shaft is arranged on the rear surface of the lower shell.

Furthermore, a hook groove for receiving the hook is formed in the rear surface of the lower shell.

Furthermore, the lower shell is provided with a vent hole.

Furthermore, the lower shell is connected with four support legs made of anti-skid rubber.

Compared with the prior environment detection device, the utility model discloses a superior effect is:

1. the utility model arranges the filter screen on the upper detachable shell, thereby avoiding that large-particle dust blocks the air inlet when in frequent use, and the filter screen can be detached and cleaned when more dust exists; the bottom of the device is provided with the vent hole, so that the air detection is facilitated, and the heat dissipation is good; the device is provided with the hook at the back, can be hung on a wall, can also be folded and placed on a desk, is small, is convenient to carry, and is suitable for home environment monitoring and new house detection.

2. The utility model adopts a temperature and humidity sensor, a formaldehyde sensor, a carbon monoxide sensor and a PM2.5 sensor to acquire the temperature and humidity, the formaldehyde concentration, the carbon monoxide concentration and the PM2.5 size in the environment in real time, converts the analog signals into digital signals through an A/D converter, sends the digital signals to an STM32F103 controller for processing, displays the information on a screen, and simultaneously sends the information to a mobile phone for display in a Bluetooth mode; when a user is in an emergency, alarm information and position information of the user can be sent outwards, the user can be connected with an outdoor button through Bluetooth, and when someone presses the outdoor button, a buzzer of the device responds to remind an indoor owner of someone outside the door; when the device is lost, corresponding information can be sent to the device through the mobile phone, the device can send positioning information to a specified mobile phone after receiving the information, and the intellectualization of the environment monitoring device is really realized.

Drawings

Fig. 1 is a schematic diagram of the internal structure of the device of the present invention.

Fig. 2 is a schematic structural diagram of the device of the present invention.

Fig. 3 is a bottom view of the device of the present invention.

Fig. 4 is a side view of the inventive device.

Fig. 5 is a schematic diagram of the device of the present invention.

The reference numbers in the drawings are: 1 a lower housing; 2, a Bluetooth module; 3, a formaldehyde sensor; a 4PM2.5 sensor; 5, a temperature and humidity sensor; 6 carbon monoxide sensor; 7 an upper detachable shell; an 8A/D converter; 9STM32F103 controller; 10a charge-discharge module; 11 a charger jack; 12 switching a key; 13 a buzzer; 14, a dustproof filter screen; 15 a light emitting diode; 16 a GPS module; 17 a lithium battery; 18 a GSM module; 19 an elastic key; 20 a display screen; 21 a vent hole; 22, hooking the rotating shaft; 23 hook groove; 24, hooking; 25 feet.

Detailed Description

The invention is described in detail below with reference to the attached drawing figures:

as shown in FIG. 1, a smart home environment monitoring device controlled by a single chip microcomputer comprises an upper detachable shell 7 and a lower shell 1, and is characterized in that: the upper detachable shell 7 and the lower shell 1 comprise a main control module, a detection module, a communication module, an execution module and a power supply module; the main control module comprises an STM32F103 controller 9, a switch key 12 and a display screen 20; the detection module comprises a temperature and humidity sensor 5, a PM2.5 sensor 4, a formaldehyde sensor 3, a carbon monoxide sensor 6 and an A/D converter 8; the communication module comprises a GSM module 18, a Bluetooth module 2 and a GPS module 16; the execution module comprises a buzzer 13 and a light-emitting diode 15; wherein temperature and humidity sensor 5, PM2.5 sensor 4, formaldehyde sensor 3, carbon monoxide sensor 6 link to each other with AD converter 8, AD converter 8 links to each other with STM32F103 controller 9, GSM module 18, bluetooth module 2, GPS module 16, switch button 12, display screen 20, bee calling organ 13, emitting diode 15, lithium cell 17 link to each other with STM32F103 controller 9 respectively, charge-discharge module 10 links to each other with lithium cell 17.

The upper detachable shell 7 and the lower shell 1 are arranged, the upper detachable shell 7 comprises a dust-proof filter screen 14, the lower shell 1 is provided with an elastic key 19 for controlling the detachment of the upper detachable shell 7, the bottom of the lower shell 1 is provided with four support legs 25, and the support legs 25 are made of rubber anti-skid materials. The bottom of the lower shell 1 is provided with a vent hole 21, so that air detection is facilitated, and heat dissipation is good; the device is provided with a hook 24 at the back, which can be hung on the wall, or the hook 24 can be put into a hook groove 23 through a rotating shaft 22 and placed on the table top through a supporting leg 25.

The temperature and humidity sensor, the formaldehyde sensor, the carbon monoxide sensor, the PM2.5 sensor and the A/D converter in the detection module are respectively arranged at the positions shown in 5, 3, 6 and 4, the detection module can detect the temperature and humidity, the formaldehyde concentration, the carbon monoxide concentration and the PM2.5 in the environment in real time, converts the analog information into digital information through the A/D converter 13, sends the digital information to the STM32F103 controller 9 to process and process the processed information to be displayed on the display screen 1, and sends the processed information to the mobile phone through the Bluetooth module 8 to be displayed.

An STM32F103 controller in the main control module is arranged at a position shown by 9, a display screen is arranged at a position shown by 20, and a switch key is arranged at a position shown by 12; the execution module in the buzzer install in 13 the position that shows for harmful gas concentration is too high to report to the police and doorbell warning, emitting diode installs in 15 the position that shows for the effect of gas concentration warning.

The GSM module is arranged at a position shown by 18, the Bluetooth module is arranged at a position shown by 2, the GPS module is arranged at a position shown by 16, the communication module can position the position of the device in real time and send the position of the device to a mobile phone of a user, and when the device detects that the concentration of harmful gas is higher than the upper limit, the position of the device and alarm information can be sent outwards, so that the situation that the user is in danger due to accidents such as fire and the like is avoided, when the device is lost carelessly, a short message can be sent to the device, and the position of the device can be sent to the mobile phone of the user.

The execution module is characterized in that a buzzer is arranged at a position shown by 13, a light emitting diode is arranged at a position shown by 15, and the execution module has the functions of alarming and doorbell warning.

The lithium battery is arranged at a position shown by 17 in the power module, the charge and discharge module is arranged at a position shown by 10, the lithium battery 17 is charged and discharged through the charge and discharge module 10, and the charge and discharge module 10 is connected with the charging port 11.

As shown in fig. 2, the utility model relates to a single chip microcomputer control's intelligent house environmental monitoring device's concrete working process is:

when the utility model is started, a user starts the device through the 'master switch' key 12, the character of 'Bluetooth unconnected' is displayed on the screen 20, the user can open the mobile phone Bluetooth to pair with the Bluetooth module 2, and the pairing code is designated by a program; the detection module can detect information such as temperature and humidity, formaldehyde concentration, carbon monoxide concentration, PM2.5 size and the like in the environment in real time and transmit the information to the STM32F103 controller 9 for processing, the information such as the temperature and humidity, formaldehyde concentration, carbon monoxide concentration, PM2.5 size and the like obtained after processing is displayed on a screen, and the information is transmitted to the mobile phone for displaying through the Bluetooth module 2 in real time.

When the device of the utility model works, if the concentration of the harmful gas exceeds the early warning limit value, the light emitting diode 15 flickers and sends information to the mobile phone, and if the concentration of the harmful gas exceeds the highest limit value, the light emitting diode 15 flickers, the buzzer 13 responds, and sends information to the mobile phone and the outside for alarming; the Bluetooth module 2 can be connected with a button outside the door, and if a person presses the button outside the door, a buzzer 13 of the device responds to remind an indoor owner; the GPS module 16 can record the position and time information of the device and send the information to the mobile phone in a Bluetooth mode, and when the house has fire and other dangers, the device detects that the concentration of harmful gas exceeds a highest limit value and sends the position of the device and a rescue signal out through the GPS module 16 and the GSM module 18; when the device is lost, a user can send a designated short message to the device through the mobile phone, and after receiving the specific short message, the environment monitoring device sends the position of the environment monitoring device to the designated mobile phone through the short message; thus, intelligent protection of the user and loss prevention of the device are realized.

When the device of the utility model is used, the lithium battery 17 of the device can be charged through the interface 11, and meanwhile, the mobile device can be charged through the charging and discharging module 10; in order to meet the requirements of different environments, the rotatable hook 24 and the hook groove 23 for placing the hook are arranged on the back of the device, and a user can rotate the rotating shaft 22 to put in or put out the hook, so that the device is suitable for various environments and is convenient to carry and place; the detachable shell 7 with the filter screen at the top can be detached for cleaning the filter screen after being used for a long time; the vent holes 21 arranged at the bottom can allow air to enter the measuring device during working and also can be used for heat dissipation.

The above description is only for the 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 present invention should be covered by the present invention.

Claims

1. The utility model provides a single chip microcomputer control's intelligent house environmental monitoring device, includes that casing (7) and lower part casing (1) can be dismantled on upper portion, its characterized in that: the upper detachable shell (7) and the lower shell (1) mainly comprise a main control module, a detection module, a communication module, an execution module and a power supply module; the main control module comprises an STM32F103 controller (9), a switch key (12) and a display screen (20); the detection module comprises a temperature and humidity sensor (5), a PM2.5 sensor (4), a formaldehyde sensor (3), a carbon monoxide sensor (6) and an A/D converter (8); the communication module comprises a GSM module (18), a Bluetooth module (2) and a GPS module (16); the execution module comprises a buzzer (13) and a light-emitting diode (15); wherein temperature and humidity sensor (5), PM2.5 sensor (4), formaldehyde sensor (3), carbon monoxide sensor (6) link to each other with AD converter (8), AD converter (8) link to each other with STM32F103 controller (9), GSM module (18), bluetooth module (2), GPS module (16), switch button (12), display screen (20), bee calling organ (13), emitting diode (15), lithium cell (17) link to each other with STM32F103 controller (9) respectively, charge-discharge module (10) link to each other with lithium cell (17).

2. The intelligent household environment monitoring device controlled by the single chip microcomputer according to claim 1, is characterized in that: casing (7) and lower part casing (1) can be dismantled on upper portion, and casing (7) can be dismantled on upper portion contains dust proof filter screen (14), and lower part casing (1) is equipped with elastic button (19) and controls the split of casing (7) can be dismantled with upper portion.

3. The intelligent household environment monitoring device controlled by the single chip microcomputer according to claim 2, is characterized in that: the bottom of the lower shell (1) is provided with four support legs (25), and the support legs (25) are made of rubber anti-skid materials.

4. The intelligent household environment monitoring device controlled by the single-chip microcomputer according to claim 1, wherein an STM32F103 controller (9) is used as a main controller in the main control module, an independent key is used as a switch key (12), and a 0.96-inch O L ED display screen is used as a display screen (20).

5. The intelligent household environment monitoring device controlled by the single chip microcomputer according to claim 1, is characterized in that: the model of the temperature and humidity sensor (5) of the detection module is DHT11, the model of the PM2.5 sensor (4) is GP2Y1010AU0F, the model of the formaldehyde sensor (3) is ZE08-CH2O electrochemical formaldehyde sensor, the model of the carbon monoxide sensor (6) is CO-B4, the model of the A/D converter (8) is PCF8591, the detection module can detect the temperature and humidity around the environment, PM2.5, the concentration of formaldehyde gas and the concentration of carbon monoxide gas, the information is transmitted to the A/D converter (8), the A/D converter (8) converts the detected analog signals into digital signals and transmits the digital signals to the STM32F103 controller (9), the main controller displays the data on the display screen (20) and transmits the digital signals to a mobile phone through the Bluetooth module (2) for display, and if the PM2.5 value or the concentration of harmful gas is detected to exceed a preset value, the STM32F103 controller (9) signals the LEDs to flash.

6. The intelligent household environment monitoring device controlled by the single chip microcomputer according to claim 1, is characterized in that: the type of a GSM module (18) in the communication module is GPRS-MG301-V1, the type of a Bluetooth module (2) is HC-05, the Bluetooth module (2) is connected with an outdoor Bluetooth button, and when a person presses the outdoor button, the Bluetooth module receives a signal and enables a buzzer to respond through an STM32F103 controller (9); the type used by the GPS module (16) is ATK-NEO-6M, the device can realize real-time positioning through the GPS module (16), when the device is lost, corresponding information can be sent to the device through a mobile phone, the GSM module (18) of the device can send positioning information to a designated mobile phone after receiving the information, and when an emergency occurs, a user can realize emergency calling by using the device, so that the loss prevention of the detection device is realized.

7. The intelligent household environment monitoring device controlled by the single-chip microcomputer according to claim 1, wherein the execution module comprises a buzzer (13) and a light emitting diode (15), and the light emitting diode (15) and the buzzer (13) both adopt a BT L power amplifier circuit to amplify sound and illumination intensity.

8. The intelligent household environment monitoring device controlled by the single chip microcomputer according to claim 1, is characterized in that: the lithium battery (17) in the power module is 3.3V, the charging and discharging module (10) is a TP4056 charging and discharging module, the lithium battery (17) can be charged through the interface, and the lithium battery (17) can be used for charging the mobile equipment.