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CN-121989624-A - Portable in-vehicle air quality monitoring and protecting system and method

CN121989624ACN 121989624 ACN121989624 ACN 121989624ACN-121989624-A

Abstract

The invention discloses a portable in-vehicle air quality monitoring and protecting system and method, and belongs to the technical field of air quality monitoring and protecting. The system core comprises a monitoring module, a control module, an execution module, a display module, a power supply module, an interaction module and a clamping main body, wherein the monitoring module is used for collecting carbon monoxide and formaldehyde concentration in a vehicle and environmental temperature parameters, a low-level/medium-level/high-level risk threshold value is arranged in the control module, linkage control logic is adopted to drive the execution module to complete hierarchical ventilation and alarm actions, the interaction module supports button and voice double operation, the power supply module is matched with a vehicle-mounted power supply to supply power to other modules, and the clamping main body is used for achieving disassembly-free vehicle fixing. The protection method comprises the steps of system initialization, parameter acquisition, risk judgment, hierarchical protection, cycle monitoring and man-machine interaction, and real-time monitoring and intelligent protection of the environment in the vehicle are realized through automatic closed-loop control. The invention solves the problems of disjoint monitoring and protection and complex operation of the existing vehicle-mounted equipment, is suitable for various fuel vehicles, has the advantages of comprehensive multi-parameter monitoring, high degree of automation of the protection action, flexible maintenance and expansion, friendly man-machine interaction and capability of effectively avoiding the toxic gas poisoning risk in the vehicle.

Inventors

  • CUI XICHENG

Assignees

  • 崔汐橙

Dates

Publication Date
20260508
Application Date
20260312

Claims (8)

  1. 1. The portable in-vehicle air quality monitoring and protecting system is characterized by comprising a monitoring module, a control module, an execution module, a display module, a power supply module and a clamping main body; The monitoring module is in communication connection with the control module and is used for collecting the carbon monoxide concentration, the formaldehyde concentration and the environmental temperature parameters in the vehicle, and sending an electric signal to the control module after signal processing; The control module is in communication connection with the execution module and the display module, is internally provided with low/medium/high three-level risk thresholds of toxic gas and temperature, converts the received electric signals into digital parameter values, compares the digital parameter values with preset thresholds, judges the overall risk level, generates corresponding control instructions and sends the corresponding control instructions to the execution module and the display module; The execution module is used for receiving the control instruction of the control module and executing the hierarchical ventilation and alarm actions; The display module is used for receiving the control instruction of the control module and displaying the monitoring parameters, the equipment working state and the environmental risk level in the vehicle in real time; the power supply module is respectively and electrically connected with the monitoring module, the control module, the execution module and the display module, is connected with the vehicle-mounted power supply, and is converted into the working voltage suitable for each module to supply power to the system; the clamping main body is of a strip-shaped structure which is matched with a glass frame of a rear door of a vehicle, the clamping main body can be directly clamped in the glass frame, clamping and fixing are achieved by lifting window glass, and all modules are integrated on the clamping main body.
  2. 2. The portable in-vehicle air quality monitoring and protection system according to claim 1, wherein the monitoring module comprises a carbon monoxide sensor, a formaldehyde sensor and a temperature and humidity sensor, and is used for cooperatively collecting in-vehicle carbon monoxide concentration, formaldehyde concentration and environmental temperature parameters, so as to realize real-time collection of in-vehicle multidimensional environmental parameters.
  3. 3. The portable in-vehicle air quality monitoring and protection system according to claim 1, wherein the control module adopts a microcontroller and is matched with an expansion board, and is a system core control unit, and intelligent judgment of the overall risk level is realized through built-in programming codes and risk judgment logic.
  4. 4. The portable in-vehicle air quality monitoring and protection system according to claim 1, wherein the execution module comprises a ventilation assembly and an alarm assembly, the ventilation assembly comprises a double-path fan and a steering engine, the single-fan or double-fan classified exhaust action can be realized according to control instructions, and the alarm assembly executes intermittent alarm action when the environmental parameter reaches a high risk threshold.
  5. 5. The portable in-vehicle air quality monitoring and protecting system according to claim 1, further comprising an interaction module, wherein the interaction module comprises a key module and a voice module, the key module and the voice module are electrically connected with the control module, the key module can realize monitoring parameter display switching, manual adjustment of a preset risk threshold value and manual control of a ventilation assembly, and the voice module can realize risk level voice broadcasting and voice instruction control.
  6. 6. The portable in-vehicle air quality monitoring and protection system of claim 1, wherein the power module is connected to a vehicle power source to convert the vehicle power source to an adapted operating voltage required by each module.
  7. 7. A portable in-vehicle air quality monitoring and protection method based on the portable in-vehicle air quality monitoring and protection system of any one of claims 1-6, comprising the steps of: The system is electrified and initialized, namely after being connected with a vehicle-mounted power supply, the system is automatically started and completes self-checking of each module, and after loading a built-in risk threshold value, the system enters a real-time monitoring state; the monitoring module continuously collects the parameters of carbon monoxide concentration, formaldehyde concentration and environmental temperature in the vehicle according to a preset period, and sends an electric signal to the control module after signal processing; The risk level judgment, namely converting the electric signal into a digital parameter value by the control module, comparing the digital parameter value with a preset risk threshold value, and judging the overall risk level according to the risk judgment logic to generate a control instruction; The control module sends a control instruction to the execution module and the display module, closes the ventilation assembly and the alarm assembly when the risk is low, starts low-intensity exhaust of the ventilation assembly when the risk is medium, starts high-intensity exhaust of the ventilation assembly when the risk is high, and triggers the alarm assembly to alarm, and the display module synchronously displays corresponding monitoring parameters, risk grades and equipment states; And (3) circularly monitoring, namely when all monitoring parameters fall back to a low risk threshold value, the control module instructs the execution module to stop working, and the system continuously and circularly executes the steps until the vehicle-mounted power supply is disconnected, and the system stops working.
  8. 8. The portable in-vehicle air quality monitoring and protection method according to claim 7, further comprising man-machine interaction operation, wherein monitoring parameter display switching, risk threshold adjustment and manual start-stop control of a ventilation assembly are achieved through a key module or a voice module.

Description

Portable in-vehicle air quality monitoring and protecting system and method Technical Field The invention relates to the technical field of air quality monitoring and protection, in particular to a portable system and a method for monitoring and protecting air quality in a vehicle, which are suitable for real-time monitoring, automatic grading ventilation and risk alarm reminding of toxic and harmful gases such as carbon monoxide, formaldehyde and the like and environmental temperature in a fuel oil vehicle. Background The fuel oil vehicle has the advantages that the fuel oil vehicle has the following scenes of idling, window closing, air conditioning, resting, overnight camping, temporary rest in long-distance driving and the like, and the vehicle interior sealing performance is stronger in winter and summer due to temperature requirements. Carbon monoxide generated by the operation of an engine of a fuel oil vehicle is colorless and odorless, is easy to accumulate in a closed vehicle, and is easy to cause headache, nausea and even poisoning death of personnel due to the excessive concentration, so that the carbon monoxide is a major potential safety hazard in the vehicle. At present, most fuel vehicles are not provided with carbon monoxide and formaldehyde monitoring and protecting functions, the harmful gas alarms sold in the market can only realize concentration exceeding alarm, have no automatic air exhaust and ventilation functions, cannot timely window and ventilate when people sleep or are in coma, are easily influenced by mosquitoes and external temperature, and the air exhaust devices of part of motor home and refitted vehicles need to be disassembled and modified to damage the original structure of the vehicles, so that the adaptability is poor, and the linkage of harmful gas monitoring and automatic protection cannot be realized at the same time. Therefore, there is a need to develop a portable in-vehicle air quality monitoring and protecting system and method with low cost, no disassembly, multiple harmful gas monitoring and automatic grading protection, which solves the problems of disjoint monitoring and protecting, poor suitability, low automation degree and the like of the existing equipment. Disclosure of Invention The invention aims to provide a portable in-vehicle air quality monitoring and protecting system and method, which realize real-time monitoring and automatic grading protection of carbon monoxide, formaldehyde concentration and environmental temperature in a vehicle through multi-sensor collaborative monitoring, intelligent grading control and portable clamping structure design, do not need to modify the original circuits and the vehicle body structure of the vehicle, are convenient to assemble and disassemble, have low cost, are suitable for various fuel vehicles, and effectively avoid the safety risks such as toxic gas poisoning in the vehicle. The invention is realized by the following technical scheme: a portable in-vehicle air quality monitoring and protecting system comprises a monitoring module, a control module, an execution module, a display module, a power supply module, an interaction module and a clamping main body, The monitoring module is in communication connection with the control module and is used for collecting air quality parameters and environmental temperature parameters in the vehicle, performing signal processing and sending processed electric signals to the control module; the control module is respectively in communication connection with the execution module and the display module, is used for converting the received electric signals into digital parameter values, generating corresponding control instructions after being compared with a built-in preset risk threshold value, respectively sending the digital parameter values to the execution module and the display module, the execution module is used for receiving the control instructions of the control module and executing hierarchical ventilation and alarm actions, the display module is used for receiving the control instructions of the control module and displaying in-vehicle monitoring parameters, equipment working states and environmental risk levels in real time, the power supply module is respectively and electrically connected with the monitoring module, the control module, the execution module and the display module, is used for providing adaptive working electric energy for each module of the system, is adaptive to a vehicle-mounted electric field scene, is made of a light and easy-to-process material, is directly clamped in a window glass frame of a vehicle window, realizes clamping and fixing by lifting the window glass, is free of disassembly, free of drilling and screw fixation, the ventilation assembly is convenient to assemble and disassemble, the front of the clamping main body is provided with a mounting position of the ventilation assembly of the execution module, the fan blade faces t