CN215810997U - Mining automobile tail gas multi-parameter tester - Google Patents

Abstract

The utility model discloses a mining automobile exhaust multi-parameter tester, which comprises a main control MCU module and a power supply module, wherein the main control MCU module is respectively connected with a temperature and humidity sensor module, an infrared sensor module, an electrochemical sensor module, a display module, a wireless communication module, a clock and EEPROM storage module, a FLASH storage module, an indicator lamp module, a USB communication module, an RS232 communication module, a key module and a buzzer module, and the electrochemical sensor module comprises a nitric oxide detection module, a nitrogen dioxide detection module and a carbon monoxide detection module.

Description

Mining automobile tail gas multi-parameter tester

Technical Field

The utility model relates to the technical field of detection of tail gas of mining automobiles, in particular to a multi-parameter tester for tail gas of a mining automobile.

Background

Automobile exhaust is exhaust gas generated when an automobile is used, and contains hundreds of different compounds, wherein pollutants comprise solid suspended particles, carbon monoxide, carbon dioxide, hydrocarbons, nitrogen oxides, lead, sulfur oxides and the like. The tail gas can not only directly harm human health, but also have a profound influence on the environment of human life. The sulfur dioxide in the tail gas has strong pungent smell, and the sulfur dioxide easily causes the generation of acid rain when reaching a certain concentration, so that soil and water sources are acidified, and the growth of crops and forests is influenced.

During mine operation, a mine automobile is usually required, due to the particularity of mine operation, the requirement on air quality is high, tail gas generated by the automobile can pollute and harm air of a mine, and therefore the tail gas needs to be detected, but measuring instruments on the market adopt 200V for power supply, so that the method is quite inconvenient, the accuracy of NOx test is to be improved, the tested data is incomplete, the data cannot be effectively stored, and wireless transmission cannot be performed.

Disclosure of Invention

In order to solve the defects of the prior art, the utility model provides a mining automobile exhaust multi-parameter tester, which solves the problems in the background art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a mining automobile exhaust multiparameter apparatus, includes main control MCU module and power module, main control MCU module connects temperature and humidity sensor module, infrared sensor module, electrochemical sensor module, display module, wireless communication module, clock and EEPROM storage module, FLASH storage module, pilot lamp module, USB communication module, RS232 communication module, button module, buzzer module respectively, electrochemical sensor module includes nitrogen monoxide detection module, nitrogen dioxide detection module and carbon monoxide detection module.

Further, the master control MCU module adopts an stm32F407vet6 chip.

Further, the temperature and humidity sensor module adopts an SHT30 chip.

Furthermore, the infrared sensor module adopts a DYNAMINT-CH 4-5% chip.

Further, the nitric oxide detection module adopts a 4NO-2000 chip, the nitrogen dioxide detection module adopts a 4NO2-2000 chip, and the carbon monoxide detection module adopts a 4CO-2000 chip.

Further, the chip model of the display module is MAX3232 CSE.

Furthermore, the clock and EEPROM storage module adopts an ST24C64WP chip and a BQ32000 chip, and the FLASH storage module adopts a 29F4G08ABADA chip.

Further, the power module comprises a hot start power module, a 3.3V power module and a 5V power module.

Further, the hot-start power module adopts a BQ24090DGR chip, the 5V power module adopts a K7805-500 component, and the 3.3V power module adopts an SPX3819M5-L-3.3 component.

Compared with the prior art, the utility model has the advantages that:

1. the battery is adopted for supplying power, voltage is converted, the carrying is convenient, the underground operation can be carried out, and meanwhile, the endurance time is long;

2. the NO and NO2 double sensors are adopted for testing, the data is accurate, and meanwhile, the CH4 and the air temperature and humidity can be collected, so that the current air condition can be known more comprehensively, and the temperature correction is convenient;

3. the data can be displayed on the color screen in real time and can be stored locally, so that the method is convenient and simple;

4. the wireless communication device can be connected with the outside in a wireless or wired mode, and communication is convenient.

Drawings

FIG. 1 is a schematic circuit diagram of a master MCU module according to the present invention;

FIG. 2 is a schematic circuit diagram of an electrochemical sensor of the present invention;

FIG. 3 is a schematic circuit diagram of an infrared sensor module according to the present invention;

FIG. 4 is a schematic circuit diagram of a temperature and humidity sensor module according to the present invention;

FIG. 5 is a schematic circuit diagram of an RS232 communication module according to the present invention;

FIG. 6 is a schematic circuit diagram of a USB communication module according to the present invention;

FIG. 7 is a schematic circuit diagram of a key module according to the present invention;

FIG. 8 is a schematic circuit diagram of a buzzer module according to the present invention;

FIG. 9 is a schematic circuit diagram of an indicator light module of the present invention;

FIG. 10 is a circuit schematic of the clock and EEPROM memory module of the present invention;

FIG. 11 is a circuit schematic diagram of a FLASH memory module according to the present invention;

FIG. 12 is a schematic circuit diagram of a 5V power module according to the present invention;

FIG. 13 is a schematic circuit diagram of a 3.3V power module according to the present invention;

FIG. 14 is a schematic circuit diagram of a J22 cable arrangement of the opposite plug connector module of the present invention;

FIG. 15 is a schematic circuit diagram of a J4 cable of the opposite plug connector module of the present invention;

FIG. 16 is a circuit diagram of a hot start power module according to the present invention;

FIG. 17 is a circuit diagram of a display module according to the present invention;

FIG. 18 is a schematic diagram of a connection circuit between a main control MCU module and a J44 cable according to the present invention;

FIG. 19 is a schematic diagram of a connection circuit between the MCU module and the flat cables J35, J36, and J37 according to the present invention;

FIG. 20 is a block diagram illustrating the connection of modules of the present invention;

fig. 21 is a circuit diagram of a wireless communication module according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1, as shown in fig. 1 and 20:

a mining automobile exhaust multi-parameter tester comprises a main control MCU module, a temperature and humidity sensor module, an infrared sensor module, an electrochemical sensor module, a display module, a wireless communication module, a clock and EEPROM storage module, a FLASH storage module, an indicator light module, a USB communication module, an RS232 communication module, a key module and a buzzer module; the main control MCU module adopts a stm32F407vet6 type chip and is used for controlling various components and operations of the tester and realizing the functions of real-time color screen display, communication and various gas index detection;

as shown in fig. 2 and 19:

the electrochemical sensor module comprises three small modules: the device comprises a nitrogen monoxide detection module adopting a chip of 4NO-2000 model, wherein the nitrogen monoxide detection module is connected to a main control MCU module through a J36 flat cable, a nitrogen dioxide detection module adopting a chip of 4NO2-2000 model is connected to the main control MCU module through a J36 flat cable, a carbon monoxide detection module adopting a chip of 4CO-2000 model is connected to the main control MCU module through a J37 flat cable, and gas detection is output by using a current type to obtain gas data in the air;

as shown in fig. 3 and 18:

the infrared sensor module is connected with the main control MCU module through a J44 flat cable, and gas data of CH4 are acquired by infrared rays;

as shown in fig. 4 and 19:

the chip model of the temperature and humidity sensor module is SHT30, the temperature and humidity sensor module is connected to the main control MCU module through a J38 flat cable, and data of changes of air humidity, temperature and the like in the working environment are measured;

as shown in fig. 5 and 6:

the main control MCU module connects and controls the USB module and the RS232 module, and simultaneously, with the combination of the graph of fig. 14 and the graph of fig. 15, the main control MCU module is butted with the J4 flat cable through the J22 flat cable in the butt joint module so as to connect the USB module and the RS232 module, and the data in the measuring instrument can be transmitted to the PC end by utilizing the USB module and the RS232 module, so that the USB module and the RS232 module are convenient and practical;

as shown in fig. 7, 8, and 9:

the main control MCU module connects and controls the key module, the buzzer module and the indicator light module, and simultaneously, with reference to fig. 14 and 15, the main control MCU module is in butt joint with the J4 flat cable through the J22 flat cable in the opposite plug connector module, so that the key module, the buzzer module and the indicator light module are connected, the functions of a measuring instrument are perfected, and the control and alarm functions are realized;

as shown in fig. 10:

the clock and EEPROM storage module adopts the chip models of ST24C64WP and BQ32000, and combines with the graphs of FIGS. 14 and 15, the clock and EEPROM storage module is connected with the main control MCU module by butting the J22 flat cable in the butt joint module with the J4 flat cable, thereby realizing the functions of time display and parameter storage;

as shown in fig. 11:

the model of the chip adopted by the FLASH storage module is 29F4G08ABADA, and with reference to the figures 14 and 15, the FLASH storage module is connected with the main control MCU module by butting J4 flat cables with J22 flat cables in the butting joint module, so that the storage function of the data of the measuring instrument can be realized;

as shown in fig. 12, 13, and 16:

the hot start power module is electrically connected with the 5V power module, is converted into 5V voltage after being processed by the K7805-500 assembly, then the 5V voltage is transmitted to the sensor module for power supply, then the 5V voltage is converted into 3.3V through the SPX3819M5-L-3.3 assembly in the 3.3V power module, and then the system is powered;

as shown in fig. 17:

the chip model of the display module is MAX3232CSE, and with reference to fig. 14 and 15, the main control MCU module is connected to the J4 flat cable by the J22 flat cable in the plug-in module, so as to connect the display module, thereby implementing the functions of color screen display, display detection, communication, and the like.

As shown in fig. 21:

the chip model of the wireless communication module is STM32F103C8T6, and with reference to fig. 14 and 15, the main control MCU module is in butt joint with the J4 winding displacement through the J22 winding displacement in the butt joint module, so that the wireless communication module is connected, the remote transmission function is realized, and the remote transmission module can be connected with a flat plate.

When the device is used specifically, the hot start power supply module is used as a switch of the whole instrument, a single section of PL123450 lithium manganate battery is arranged in the hot start power supply module and used for supplying power to the electrochemical sensor module and the like, so that repeated preheating during starting can be avoided for a period of time, and tail gas is conveniently and quickly tested in the pit;

the voltage of the hot start power supply module is converted into 5V voltage after being processed by the K7805-500 assembly to supply power for detection modules such as a sensor and the like, and then the 5V voltage is converted into 3.3V voltage after being processed by the SPX3819M5-L-3.3 assembly to supply power for other parts of the system;

the system can be adjusted through the key module, the functions can be used according to different selections, the temperature and humidity sensor module, the infrared sensor module and the electrochemical sensor module collect external air information and transmit the collected information to the main control MCU module for processing, the display module receives the information of the main control MCU module and refreshes a screen, curve data can be displayed on a real-time color screen, the air data under an operation environment can be conveniently obtained at any time, safety early warning is provided for operation, if the gas concentration exceeds the standard, the buzzer module is matched with the indicator lamp module for early warning to remind operating personnel of paying attention to safety, meanwhile, a clock and an EEPROM storage module can be used for storing parameters, and a FLASH storage module is used for storing data;

the wireless communication module can be controlled to carry out remote transmission and is connected to a tablet personal computer for data checking and processing, meanwhile, the USU module and the RS232 module can be used for wired connection to the computer, and the computer is used for carrying out centralized processing on the data.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.

Claims (9)

1. The utility model provides a mining automobile exhaust multiparameter apparatus, includes main control MCU module and power module, its characterized in that, main control MCU module connects temperature and humidity sensor module, infrared ray sensor module, electrochemical sensor module, display module, wireless communication module, clock and EEPROM storage module, FLASH storage module, pilot lamp module, USB communication module, RS232 communication module, button module, bee calling organ module respectively, electrochemical sensor module includes nitrogen monoxide detection module, nitrogen dioxide detection module and carbon monoxide detection module.

2. The mining truck exhaust gas multiparameter tester as recited in claim 1, wherein said master control MCU module employs stm32F407vet6 chip.

3. The mining truck exhaust gas multi-parameter measuring instrument according to claim 1, wherein the temperature and humidity sensor module employs an SHT30 chip.

4. The mining vehicle exhaust gas multiparameter tester as recited in claim 1, wherein said infrared sensor module employs a dynamine-CH 4-5% chip.

5. The mining truck exhaust gas multiparameter tester as recited in claim 1, wherein said nitric oxide detection module employs a 4NO-2000 chip, said nitrogen dioxide detection module employs a 4NO2-2000 chip, and said carbon monoxide detection module employs a 4CO-2000 chip.

6. The mining vehicle exhaust gas multiparameter measuring instrument according to claim 1, wherein the chip type of the display module is MAX3232 CSE.

7. The mining vehicle exhaust gas multiparameter tester as recited in claim 1, wherein said clock and EEPROM memory module employs ST24C64WP chip and BQ32000 chip, and said FLASH memory module employs 29F4G08ABADA chip.

8. The mining vehicle exhaust gas multiparameter tester as recited in claim 1, wherein said power supply module comprises a hot start power supply module, a 3.3V power supply module and a 5V power supply module.

9. The mining vehicle exhaust gas multi-parameter measurement instrument according to claim 8, wherein the hot start power module adopts a BQ24090DGR chip, the 5V power module adopts a K7805-500 component, and the 3.3V power module adopts an SPX3819M5-L-3.3 component.

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