CN211122740U

CN211122740U - Based on interior formaldehyde concentration detection device of thing networking car

Info

Publication number: CN211122740U
Application number: CN201921584280.XU
Authority: CN
Inventors: 詹俊; 林传敬; 王成; 尚伟
Original assignee: Wuhan Jingming Ruiji Information Technology Co ltd
Current assignee: Wuhan Jingming Ruiji Information Technology Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-07-28
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a based on thing networking formaldehyde concentration detection device in car, including formaldehyde detection module, signal processor, data display end, 4G communication module, information warning module, power crossover sub, built-in button cell module, formaldehyde detection module is connected to signal processor, and signal processor exports the data display end through data conversion, and signal processor communicates through data conversion and 4G communication module, and signal processor control information reminds the module, and button cell module supplies power for signal processor under the outage state. The utility model discloses a modular design scheme is with the integrative dress of each module integration in plastic casing, conveniently carries, along with inserting along with using. The utility model discloses the formaldehyde concentration data that will detect show in real time and convey cell-phone procedure application end through the 4G network. When the detected formaldehyde concentration value exceeds the standard value specified by the state, the red light-emitting diode is lightened, and the buzzer is controlled to sound as a danger signal prompt.

Description

Based on interior formaldehyde concentration detection device of thing networking car

Technical Field

The utility model is used for detect formaldehyde concentration content in the car, relate to a formaldehyde concentration detection device that can connecting network.

Background

At present, the materials used for the automotive interior are different, and the formaldehyde content in the automobile is different. Especially, when a new vehicle is purchased and used for a period of time, whether the concentration of formaldehyde in the vehicle meets the national standard or not can not be determined, the harm to the human health exists, and the device which can be inserted into the cigarette lighter in the vehicle and can quickly detect the concentration of formaldehyde in the vehicle is very necessary. The device is convenient to carry, convenient to power supply and capable of displaying in a digital mode.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detect device of formaldehyde concentration content in car, the data that detect can directly show through O L ED, convey the cell-phone application end with data through the 4G network simultaneously.

In order to realize the purpose, the technical scheme of the utility model is that:

the utility model provides a formaldehyde concentration detection device in car based on thing networking, includes formaldehyde detection module, signal processor, data display end, 4G communication module, information warning module, power crossover sub, button cell module, formaldehyde detection module be connected to signal processor, signal processor export the data display end through data conversion, signal processor through data conversion and 4G communication module transmission data, signal processor control information remind module work, signal processor be connected to power crossover end, power crossover end provide system's working power supply through circuit conversion, button cell module supply power for signal processor under the outage state.

Foretell formaldehyde concentration detection device in car, formaldehyde detection module contain formaldehyde concentration sensor ZE08-CH2O and detect the gaseous concentration of formaldehyde in the car, formaldehyde detection module high sensitivity, high resolution, output serial ports data etc..

In the above device for detecting formaldehyde concentration in a vehicle, the signal processor analyzes and calculates the detected formaldehyde data by using an STM32F103C8T6 chip and controls display and transmission.

In the above formaldehyde concentration detection device in the vehicle, the signal display terminal adopts a low power consumption O L ED display screen, the O L ED display screen uses SPI communication bus to control display, and the signal display terminal further comprises a 4G communication module for transmitting data signals to the mobile phone application program terminal to display formaldehyde concentration data in real time

In the device for detecting the concentration of formaldehyde in the vehicle, the information reminding module is a red light-emitting diode and an active piezoelectric buzzer, the red light-emitting diode is controlled by the signal processor to be turned on according to the condition that the concentration of formaldehyde in the vehicle is greater than a set value, otherwise, the red light-emitting diode is turned off when the concentration of formaldehyde in the vehicle is less than the set value. The active piezoelectric buzzer is controlled to sound by the signal processor according to the condition that the concentration of formaldehyde in the vehicle is greater than a set value, and otherwise, the active piezoelectric buzzer does not sound when the concentration of formaldehyde in the vehicle is less than the set value.

In the above formaldehyde concentration detection device in a vehicle, the power supply adapter converts the input voltage into the system power supply voltage by connecting the interface of the cigarette lighter in the vehicle.

In the formaldehyde concentration detection device in the vehicle, the button battery module comprises a button battery holder and a button battery mounted on the button battery holder, and the button battery module is used for supplying power to the signal processor after the system is powered off.

The utility model discloses a modular design scheme is with the integrative dress of each module integration in plastic casing. Is convenient to carry and can be inserted and used at any time. The utility model discloses the formaldehyde concentration data that will detect show in real time and convey cell-phone procedure application end through the 4G network. When the detected formaldehyde concentration value exceeds the standard value specified by the state, the red light-emitting diode is lightened, and the buzzer is controlled to sound as a danger signal prompt.

Drawings

Fig. 1 is a circuit structure diagram of the present invention.

Fig. 2 is a working principle diagram of the present invention.

Fig. 3 is the internal structure diagram of the button cell module of the present invention.

Fig. 4 is the internal structure diagram of the 4G communication module of the present invention.

Fig. 5 is the internal structure diagram of the information reminding module of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific operational schematic diagrams described herein are merely illustrative of the present invention and are not intended to limit the present invention.

Please refer to fig. 1 and 2, a formaldehyde concentration detection device in a vehicle based on the internet of things comprises a formaldehyde detection module 1, a signal processor 2, a power adapter 3, a button cell module 4, an O L ED display module 5, a 4G communication module 6, and an information reminding module 7, wherein the formaldehyde detection module 1 is connected with the signal processor 2 through a serial port, the signal processor 2 is connected with the O L ED display module 5 through an SPI bus, the signal processor 2 is connected with the 4G communication module 6, and formaldehyde concentration data are transmitted to a mobile phone application program end through the module, the signal processor 2 is connected with an indicator lamp and a buzzer module, the power adapter 3 is connected with the signal processor 2, the power adapter 3 provides a power supply required by a system through a DC-to-DC circuit, the button cell module 4 is connected with the signal processor 2, and the button cell module 4 supplies power to the signal processor 2 in a system power-off state.

The formaldehyde detection module 1 is a ZE08-CH2O electrochemical miniaturized module, a probe of the module is exposed in the air, formaldehyde concentration data are transmitted to the signal processor 2 in an 8-bit serial port mode by being formed by a mode that a low position is arranged in front of a high position and a rear position, and the formaldehyde concentration value is high data x 256+ low data.

The power supply conversion head 3 is connected to an interface of a cigarette lighter in a vehicle, and a DC-to-DC module is contained in the power supply conversion head to convert 12V voltage into 5V voltage to supply power to a system.

Referring to fig. 3, the button cell module 4 is composed of a cell holder (8) welded to the circuit board and a button cell CR2032(9), which can be replaced and removed. The button battery module is used for supplying power to the signal processor after power failure so that the processor stores data.

The O L ED display module 5 adopts a 0.96-inch O L ED liquid crystal screen, the O L ED liquid crystal screen adopts a 128X 64 self-luminous dot matrix screen module, a backlight unit is not needed to be capable of self-luminous, and SPI bus control display is adopted.

Referring to fig. 4, the 4G communication module 6 includes a SIM7600CE module (10) and a built-in SIM card holder (11), a SIM card (12) is installed inside the built-in SIM card holder (11), so as to transmit the formaldehyde concentration data to the network server, and the mobile phone application downloads the data from the network server to check the formaldehyde concentration value.

Referring to fig. 5, the information reminding module 7 includes a red light emitting diode (13) and an active piezoelectric buzzer 2310(14), the red light emitting diode (13) and the active piezoelectric buzzer 2310(14) are controlled by the signal processor 2, when the formaldehyde concentration in the vehicle is greater than a set value, the signal processor 2 controls the red light emitting diode to light (13) and the active piezoelectric buzzer 2310(14) to sound, and correspondingly, the formaldehyde concentration in the vehicle is less than the set value, the signal processor 2 controls the red light emitting diode (13) to turn off and the active piezoelectric buzzer 2310(14) to not sound.

The signal processor 2 adopts a micro-control chip STM32f103C8T6 to realize the processing of the formaldehyde concentration signal and control the display and transmission of the signal.

Claims

1. The utility model provides a formaldehyde concentration detection device in car based on thing networking, characterized in that includes formaldehyde detection module (1), signal processor (2), power crossover sub (3), button cell module (4), O L ED display module (5), 4G communication module (6), information warning module (7), formaldehyde detection module (1) pass through serial ports connection signal processor (2), signal processor (2) pass through SPI bus connection O L ED display screen module (5), signal processor (2) connect 4G communication module (6) and pass through this module with formaldehyde concentration data transfer to cell-phone application end, signal processor (2) connect information warning module (7), power crossover sub (3) connect signal processor (2), power crossover sub (3) change DC circuit through DC and provide the required power of system, button cell module (4) connect signal processor (2), battery module (4) supply power for signal processor (2) in button system outage state.

2. The internet-of-things in-vehicle formaldehyde concentration detection device according to claim 1, characterized in that: the formaldehyde detection module (1) is a ZE08-CH2O electrochemical miniaturization module, a probe of the module is exposed in the air, formaldehyde concentration data are transmitted to the signal processor (2) in an 8-bit serial port mode by being arranged at the front and at the back in a low position, and the formaldehyde concentration value is high data x 256+ low data.

3. The internet-of-things in-vehicle formaldehyde concentration detection device according to claim 1, characterized in that: the power supply conversion connector (3) is connected to an interface of a cigarette lighter in the vehicle, and a DC-to-DC conversion module is contained in the power supply conversion connector to convert the 12V voltage of the vehicle into 5V voltage to supply power to the system.

4. The device for detecting the formaldehyde concentration in the Internet of things vehicle as claimed in claim 1, wherein the O L ED display module (5) adopts a 0.96-inch O L ED liquid crystal screen, the O L ED liquid crystal screen adopts a 128 x 64 self-luminous dot matrix module, a backlight unit is not needed, self-luminous is realized, and SPI bus control display is adopted.

5. The internet-of-things in-vehicle formaldehyde concentration detection device according to claim 1, characterized in that: the button battery module (4) is composed of a battery seat (8) welded on the circuit board and a button battery CR2032(9), the button battery can be detached and replaced, and the button battery module is used for supplying power to the signal processor after power failure so that the processor stores data.

6. The internet-of-things in-vehicle formaldehyde concentration detection device according to claim 1, characterized in that: the 4G communication module (6) comprises an SIM7600CE module (10) and a built-in SIM card holder (11), wherein an SIM card (12) is arranged in the built-in SIM card holder (11) to realize the transmission of the formaldehyde concentration data to the network server, and the mobile phone application terminal downloads the data from the network server to check the formaldehyde concentration value.

7. The internet-of-things in-vehicle formaldehyde concentration detection device according to claim 1, characterized in that: the information reminding module (7) comprises a red light-emitting diode (13) and an active piezoelectric buzzer 2310 and 23114, the red light-emitting diode (13) and the active piezoelectric buzzer 2310 and 23114 are controlled by the signal processor (2), when the concentration of formaldehyde in the vehicle is higher than a set value, the signal processor (2) controls the red light-emitting diode to be lightened (13) and the active piezoelectric buzzer 2310 and 23114 to sound, and correspondingly, the concentration of formaldehyde in the vehicle is lower than the set value, the signal processor (2) controls the red light-emitting diode (13) to be extinguished and the active piezoelectric buzzer 2310 and 23114 to not sound.