Air quality sensor integrated module, using method thereof and automobile with air quality sensor integrated module

By designing an air quality sensor integrated module, the internal and external air can be independently circulated in separate channels, which solves the detection accuracy problem under the influence of air conditioners and achieves high-precision air quality monitoring.

CN120334474APending Publication Date: 2025-07-18CHERY AUTOMOBILE CO LTD
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Patent Information

Application Number
CN202510425511.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2025-07-18

AI Technical Summary

Technical Problem

The existing vehicle air quality sensors are affected by the air conditioner, and the detection accuracy and effect are poor, and each detection unit needs to be controlled independently.

Method used

An air quality sensor integrated module is designed, including a middle runner fixing plate, a PCB board, an upper cover plate, an inner flow channel and an outer flow channel. The inner and outer air is separated and detected by the inner and outer PM2.5 sensor and AQS sensor respectively. The inner and outer fan is configured for independent circulation, and the installation is optimized using a modular structure.

Benefits of technology

The accuracy of air quality detection is achieved without being affected by the air conditioner, and the internal and external air circulation is independently circulated, ensuring the accuracy of detection to the greatest extent, and the installation process is optimized.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an air quality sensor integrated module, a using method thereof and an automobile with the air quality sensor integrated module, and the air quality sensor integrated module is provided with a middle flow channel fixing plate; the PCB is mounted on the middle runner fixing plate; the upper cover plate can cover the PCB and the middle runner fixing plate; the inner flow channel is arranged on the middle flow channel fixing plate, and air in the vehicle can pass through the inner flow channel; the outer flow channel is arranged on the middle flow channel fixing plate, and air outside the vehicle can pass through the outer flow channel; and the detection device can detect the quality of air in the inner flow channel and the outer flow channel. The modularized sensor can optimize the installation process, and the defect that the air quality detection precision is affected by an air conditioner is overcome.
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Description

Technical Field

[0001] The present invention belongs to the technical field of automobiles, and particularly relates to an air quality sensor integration module, a using method thereof, and an automobile having the same. Background Art

[0002] In the process of implementing the present invention, the inventor found that the prior art has at least the following problems:

[0003] Currently, vehicle air quality sensors are integrated on the air conditioning box for separate detection. Each detection unit is independent, and the control module needs to perform signal processing separately. Moreover, they are distributed near the air inlet of the air conditioner, and the detection accuracy and effect are affected by the opening of the air conditioner and the switching between internal and external circulation.

[0004] CN111133281A - Method and device for controlling a heating element for heating a sensor element of an air quality sensor for a vehicle and an air quality sensor system for a vehicle discloses a method for controlling a heating element for heating a sensor element of an air quality sensor (102) for a vehicle, wherein the air quality sensor (102) has a temperature detector for measuring the temperature of the sensor element. In the method, the temperature change process recorded during vehicle operation using the temperature detector is analyzed and processed, which also cannot solve the above technical problems. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide an air quality sensor integration module, a using method thereof, and an automobile having the same. The modular sensor can optimize the installation process and solve the drawback that the air quality detection accuracy is affected by the air conditioner.

[0006] In order to solve the above technical problem, the technical solution adopted by the present invention is: an air quality sensor integration module, having:

[0007] A middle flow channel fixing plate, on which an air flow channel is provided;

[0008] A PCB board, mounted on the middle flow channel fixing plate;

[0009] An upper cover plate, capable of covering the PCB board and the middle flow channel fixing plate;

[0010] An inner flow channel, provided on the middle flow channel fixing plate, through which the air inside the vehicle can pass;

[0011] An outer flow channel, provided on the middle flow channel fixing plate, through which the air outside the vehicle can pass;

[0012] A detection device, capable of detecting the air quality in the inner flow channel and the outer flow channel.

[0013] On both sides of the middle flow channel fixing plate, an inner flow channel air inlet and an inner flow channel air outlet are respectively provided, and the inner flow channel air inlet and the inner flow channel air outlet are respectively communicated with both ends of the inner flow channel.

[0014] An outer flow channel air inlet and an outer flow channel air outlet are also provided on the middle flow channel fixing plate, and the outer flow channel air inlet and the outer flow channel air outlet are respectively communicated with both ends of the outer flow channel.

[0015] The detection device includes an inner PM2.5 sensor, and the inner PM2.5 sensor is arranged in the inner flow channel; the detection device includes an outer PM2.5 sensor, and the outer PM2.5 sensor is arranged in the outer flow channel.

[0016] The detection device includes an AQS sensor, and the AQS sensor is arranged in the outer flow channel.

[0017] The outer flow channel air inlet and the outer flow channel air outlet are arranged on the same side of the middle flow channel fixing plate.

[0018] An inner flow channel fan is arranged in the inner flow channel, and an outer flow channel fan is arranged in the outer flow channel.

[0019] There is also an external air inlet and outlet air duct, and the external air inlet and outlet air duct is communicated with the outer flow channel air inlet and the outer flow channel air outlet; a sealing and sound insulation pad is provided on the external air inlet and outlet air duct; a protective sponge is wrapped outside the external air inlet and outlet air duct; an outer circulation sealing rubber ring is provided on the outer periphery of the outer air duct.

[0020] The usage method of the above-mentioned air quality sensor integration module includes the following steps:

[0021] 1) The air inside the vehicle enters the inner PM2.5 sensor from the inner flow channel air inlet under the action of the inner flow channel fan, and then is discharged from the inner flow channel air outlet, for real-time monitoring of the air quality inside the vehicle;

[0022] 2) The air outside the vehicle enters from the outer flow channel air inlet under the action of the outer flow channel fan, flows through the AQS sensor, then to the outer PM2.5 sensor, and finally is discharged outside the vehicle through the outer flow channel air outlet. During the air flow process, the detected air values are transmitted to the whole vehicle, providing data support for the vehicle control strategy.

[0023] A vehicle, having a vehicle body, and the air quality sensor integration module as described in any one of claims 1 to 8 is provided on the vehicle body.

[0024] One technical solution in the above technical solutions has the following advantages or beneficial effects: The modular sensor can optimize the installation process and solve the drawback that the air quality detection accuracy is affected by the air conditioner. Description of the Drawings

[0025] Figure 1 Schematic diagram of the structure of the air quality sensor integration module provided in the embodiment of the present invention;

[0026] Figure 2 is Figure 1 schematic diagram of the structure of the air quality sensor integration module of;

[0027] Figure 3 is Figure 1 schematic diagram of the structure of the air quality sensor integration module of;

[0028] Figure 4 is Figure 1 schematic diagram of the structure of the air quality sensor integration module of;

[0029] Figure 5 is Figure 1 schematic diagram of the structure of the air quality sensor integration module of;

[0030] Figure 6 is Figure 1 schematic diagram of the structure of the air quality sensor integration module of;

[0031] The markings in the above figures are all: 1. External air inlet and outlet air duct, 2. Upper cover plate, 3. PCB board, 4. Middle flow channel fixing plate, 5. Installation base, 6. Inner flow channel air inlet, 7. Inner flow channel air outlet, 8. Outer flow channel air inlet, 9. Outer flow channel air outlet, 10. Inner PM2.5 sensor, 11. Inner flow channel fan, 12. Outer PM2.5 sensor, 13. AQS sensor, 14. Outer flow channel fan, 15. Sealing and sound insulation pad, 16. Protective sponge, 17. Outer circulation sealing rubber ring. Specific embodiments

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0033] Embodiment 1

[0034] Refer to Figures 1 to 6, an air quality sensor integration module, having: a middle flow channel fixing plate 4, on which an air flow channel is provided; a PCB board 3, mounted on the middle flow channel fixing plate 4; an upper cover plate 2, capable of covering the PCB board 3 and the middle flow channel fixing plate 4; an inner flow channel, provided on the middle flow channel fixing plate 4, through which the air inside the vehicle can pass; an outer flow channel, provided on the middle flow channel fixing plate 4, through which the air outside the vehicle can pass; a detection device, capable of detecting the air quality in the inner flow channel and the outer flow channel. The modular sensor can optimize the installation process and solve the drawback that the air quality detection accuracy is affected by the air conditioner.

[0035] On both sides of the middle flow channel fixing plate 4, an inner flow channel air inlet 6 and an inner flow channel air outlet 7 are respectively provided, and the inner flow channel air inlet 6 and the inner flow channel air outlet 7 are respectively communicated with both ends of the inner flow channel. An outer flow channel air inlet 8 and an outer flow channel air outlet 9 are also provided on the middle flow channel fixing plate 4, and the outer flow channel air inlet 8 and the outer flow channel air outlet 9 are respectively communicated with both ends of the outer flow channel. Two fans are configured, the internal and external air are separated into two channels, and the external air channel is sealed. The internal and external air circulate independently and will not interfere with each other, which can ensure the accuracy of detection to the greatest extent.

[0036] The detection device includes an inner PM2.5 sensor 10, and the inner PM2.5 sensor 10 is arranged in the inner flow channel; the detection device includes an outer PM2.5 sensor 12, and the outer PM2.5 sensor 12 is arranged in the outer flow channel. The detection device includes an AQS sensor 13, and the AQS sensor 13 is arranged in the outer flow channel. The sensor integration module integrates the AQS sensor 13 and the internal and external PM2.5 sensors 12, and can simultaneously detect the air quality levels inside / outside the vehicle.

[0037] The outer flow channel air inlet 8 and the outer flow channel air outlet 9 are arranged on the same side of the middle flow channel fixing plate 4. The external air inlet and outlet are arranged at the same position, which can ensure the same air pressure at the inlet and outlet, and can effectively ensure the normal operation of the external air flow channel.

[0038] An inner flow channel fan 11 is provided in the inner flow channel, and an outer flow channel fan 14 is provided in the outer flow channel. Two fans are configured, the internal and external air are separated into two channels, and the external air channel is sealed. The internal and external air circulate independently and will not interfere with each other, which can ensure the accuracy of detection to the greatest extent.

[0039] It also has an external air intake and exhaust air duct 1, and the external air intake and exhaust air duct 1 is connected to the outer flow path air inlet 8 and the outer flow path air outlet 9; the intake and exhaust pipeline is made of corrugated pipe, which can effectively prevent the pipeline from being bent. A sealing and sound insulation pad 15 is provided on the external air intake and exhaust air duct 1; a protective sponge 16 is wrapped outside the external air intake and exhaust air duct 1; an outer circulation sealing rubber ring 17 is provided on the outer periphery of the outer air duct. The external air intake and exhaust air vent is used for the sensor to collect the external air of the passenger compartment for detection. The double-layer structure sealing and sound insulation pad 15, the outer layer is pressed on the sheet metal part for waterproof sealing and the first layer of sound insulation, and the inner layer is pressed on the shock pad for the second layer of sound insulation. At the same time, the external sampling port has a waterproof shielding structure, which can effectively prevent external foreign objects and water droplets from entering.

[0040] The modular sensor can optimize the installation process and solve the drawback that the accuracy of air quality detection is affected by the air conditioner.

[0041] Embodiment 2

[0042] A method of using an air quality sensor integration module, the air quality sensor integration module has: a middle flow path fixing plate 4, on which an air flow path is provided; a PCB board 3, installed on the middle flow path fixing plate 4; an upper cover plate 2, which can cover the PCB board 3 and the middle flow path fixing plate 4; an inner flow path, provided on the middle flow path fixing plate 4, and the vehicle interior air can pass through the inner flow path; an outer flow path, provided on the middle flow path fixing plate 4, and the vehicle exterior air can pass through the outer flow path; a detection device, which can detect the air quality in the inner flow path and the outer flow path. The modular sensor can optimize the installation process and solve the drawback that the accuracy of air quality detection is affected by the air conditioner.

[0043] An inner flow path air inlet 6 and an inner flow path air outlet 7 are respectively provided on both sides of the middle flow path fixing plate 4, and the inner flow path air inlet 6 and the inner flow path air outlet 7 are respectively connected to both ends of the inner flow path. An outer flow path air inlet 8 and an outer flow path air outlet 9 are also provided on the middle flow path fixing plate 4, and the outer flow path air inlet 8 and the outer flow path air outlet 9 are respectively connected to both ends of the outer flow path. Two fans are configured, the inner and outer air are separated into two channels, and the external air channel is sealed. The inner and outer air circulate independently and will not interfere with each other, which can ensure the accuracy of detection to the greatest extent.

[0044] The detection device includes an inner PM2.5 sensor 10, and the inner PM2.5 sensor 10 is arranged in the inner flow path; the detection device includes an outer PM2.5 sensor 12, and the outer PM2.5 sensor 12 is arranged in the outer flow path. The detection device includes an AQS sensor 13, and the AQS sensor 13 is arranged in the outer flow path. The sensor integration module integrates the AQS sensor 13 and the inner and outer PM2.5 sensors 12, and can simultaneously detect the air quality grades inside / outside the vehicle.

[0045] The outer flow path air inlet 8 and the outer flow path air outlet 9 are arranged on the same side of the middle flow path fixing plate 4. The external air inlets and outlets are arranged at the same position, which can ensure the same air pressure at the inlet and outlet, and can effectively ensure the normal operation of the external air flow path.

[0046] An inner flow path fan 11 is provided in the inner flow path, and an outer flow path fan 14 is provided in the outer flow path. Two fans are configured, and the internal and external air are separated into two channels, and the external air channel is sealed. The internal and external air circulate independently and will not interfere with each other, which can ensure the accuracy of detection to the greatest extent.

[0047] It also has an external air inlet and outlet air duct 1, and the external air inlet and outlet air duct 1 is connected to the outer flow path air inlet 8 and the outer flow path air outlet 9; the inlet and outlet air pipes are made of corrugated pipes, which can effectively prevent the pipes from bending. A sealing and sound insulation pad 15 is provided on the external air inlet and outlet air duct 1; a protective sponge 16 is wrapped outside the external air inlet and outlet air duct 1; an outer circulation sealing rubber ring 17 is provided on the outer periphery of the outer air duct. The external air inlet and outlet air vents are used for the sensor to collect the external air of the passenger compartment for detection. The double-structured sealing and sound insulation pad 15, the outer layer is pressed on the sheet metal part for waterproof sealing and the first layer of sound insulation, and the inner layer is pressed on the shock pad for the second layer of sound insulation. At the same time, the external sampling port has a waterproof shielding structure, which can effectively prevent foreign objects and water droplets from the outside from entering.

[0048] The usage method includes the following steps:

[0049] 1) The air inside the vehicle enters the inner PM2.5 sensor from the inner flow path air inlet under the action of the inner flow path fan, and then is discharged from the inner flow path air outlet, which is used to monitor the air quality inside the vehicle in real time;

[0050] 2) The air outside the vehicle enters from the outer flow path air inlet under the action of the outer flow path fan, flows through the AQS sensor, then to the outer PM2.5 sensor, and finally is discharged outside the vehicle through the outer flow path air outlet. During the air flow process, the detected air value is transmitted to the whole vehicle to provide data support for the vehicle control strategy.

[0051] The modular sensor can optimize the installation process and solve the drawback that the accuracy of air quality detection is affected by the air conditioner.

[0052] Embodiment III

[0053] A kind of automobile has a vehicle body, and an air quality sensor integration module is provided on the vehicle body.

[0054] The air quality sensor integration module has: a middle flow channel fixing plate 4, on which an air flow channel is provided; a PCB board 3, mounted on the middle flow channel fixing plate 4; an upper cover plate 2, capable of covering the PCB board 3 and the middle flow channel fixing plate 4; an inner flow channel, provided on the middle flow channel fixing plate 4, through which the air inside the vehicle can pass; an outer flow channel, provided on the middle flow channel fixing plate 4, through which the air outside the vehicle can pass; a detection device, capable of detecting the air quality in the inner flow channel and the outer flow channel. The modular sensor can optimize the installation process and solve the drawback that the accuracy of air quality detection is affected by the air conditioner.

[0055] On both sides of the middle flow channel fixing plate 4, an inner flow channel air inlet 6 and an inner flow channel air outlet 7 are respectively provided, and the inner flow channel air inlet 6 and the inner flow channel air outlet 7 are respectively connected to both ends of the inner flow channel. An outer flow channel air inlet 8 and an outer flow channel air outlet 9 are also provided on the middle flow channel fixing plate 4, and the outer flow channel air inlet 8 and the outer flow channel air outlet 9 are respectively connected to both ends of the outer flow channel. Two fans are configured, the internal and external air are separated into two channels, and the external air channel is sealed. The internal and external air circulate independently and will not interfere with each other, which can ensure the accuracy of detection to the greatest extent.

[0056] The detection device includes an internal PM2.5 sensor 10, and the internal PM2.5 sensor 10 is arranged in the inner flow channel; the detection device includes an external PM2.5 sensor 12, and the external PM2.5 sensor 12 is arranged in the outer flow channel. The detection device includes an AQS sensor 13, and the AQS sensor 13 is arranged in the outer flow channel. The sensor integration module integrates the AQS sensor 13 and the internal and external PM2.5 sensors 12, and can simultaneously detect the air quality levels inside / outside the vehicle.

[0057] The outer flow channel air inlet 8 and the outer flow channel air outlet 9 are arranged on the same side of the middle flow channel fixing plate 4. The external inlet and outlet are arranged at the same position, which can ensure the same air pressure at the inlet and outlet, and can effectively ensure the normal operation of the external air flow channel.

[0058] An inner flow channel fan 11 is provided in the inner flow channel, and an outer flow channel fan 14 is provided in the outer flow channel. Two fans are configured, the internal and external air are separated into two channels, and the external air channel is sealed. The internal and external air circulate independently and will not interfere with each other, which can ensure the accuracy of detection to the greatest extent.

[0059] It also has an external air intake and exhaust air duct 1, and the external air intake and exhaust air duct 1 is connected to the outer flow path air inlet 8 and the outer flow path air outlet 9; the intake and exhaust pipeline is made of corrugated pipe, which can effectively prevent the pipeline from bending. A sealing and sound insulation pad 15 is provided on the external air intake and exhaust air duct 1; a protective sponge 16 is wrapped outside the external air intake and exhaust air duct 1; an outer circulation sealing rubber ring 17 is provided on the outer periphery of the outer air duct. The external air intake and exhaust air vent is used for the sensor to collect the external air of the passenger compartment for detection. The double-structured sealing and sound insulation pad 15 has an outer layer pressed on the sheet metal part for waterproof sealing and the first layer of sound insulation, and an inner layer pressed on the shock pad for the second layer of sound insulation. At the same time, the external sampling port has a waterproof shielding structure, which can effectively prevent foreign objects and water droplets from entering from the outside.

[0060] After adopting the above solution, the modular sensor can optimize the installation process and solve the drawback that the accuracy of air quality detection is affected by the air conditioner.

[0061] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "center", "both ends", etc. is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0062] In the present invention, unless otherwise clearly specified and limited, the terms "installation", "setting", "connection", "fixation", "swivel connection", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. It can be the internal communication of two elements or the interaction relationship between two elements. Unless otherwise clearly limited, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0063] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air quality sensor integration module, characterized in that, Comprising: A middle flow channel fixing plate, on which an air flow channel is provided; A PCB board, mounted on the middle flow channel fixing plate; An upper cover plate, capable of covering the PCB board and the middle flow channel fixing plate; An inner flow channel, provided on the middle flow channel fixing plate, through which the air inside the vehicle can pass; An outer flow channel, provided on the middle flow channel fixing plate, through which the air outside the vehicle can pass; A detection device, capable of detecting the air quality inside the inner flow channel and the outer flow channel.

2. The air quality sensor integration module according to claim 1, wherein On both sides of the middle flow channel fixing plate, an inner flow channel air inlet and an inner flow channel air outlet are respectively provided, and the inner flow channel air inlet and the inner flow channel air outlet are respectively communicated with both ends of the inner flow channel.

3. The air quality sensor integration module according to claim 2, characterized in that, On the middle flow channel fixing plate, an outer flow channel air inlet and an outer flow channel air outlet are also provided, and the outer flow channel air inlet and the outer flow channel air outlet are respectively communicated with both ends of the outer flow channel.

4. The air quality sensor integration module according to claim 3, wherein The detection device includes an inner PM2.5 sensor, and the inner PM2.5 sensor is arranged inside the inner flow channel; the detection device includes an outer PM2.5 sensor, and the outer PM2.5 sensor is arranged inside the outer flow channel.

5. The air quality sensor integration module according to claim 4, characterized in that, The detection device includes an AQS sensor, and the AQS sensor is arranged inside the outer flow channel.

6. The air quality sensor integration module according to claim 5, wherein, The outer flow channel air inlet and the outer flow channel air outlet are arranged on the same side of the middle flow channel fixing plate.

7. The air quality sensor integration module according to claim 6, characterized in that, An inner flow channel fan is arranged inside the inner flow channel, and an outer flow channel fan is arranged inside the outer flow channel.

8. The air quality sensor integration module according to claim 7, wherein, It further has an external air inlet and outlet air duct, and the external air inlet and outlet air duct is communicated with the outer flow channel air inlet and the outer flow channel air outlet; a sealing and sound insulation pad is provided on the external air inlet and outlet air duct; a protective sponge is wrapped outside the external air inlet and outlet air duct; an outer circulation sealing rubber ring is provided on the outer periphery of the outer air duct.

9. The method of using the air quality sensor integration module according to any one of claims 1 to 8, characterized in that Including the following steps: 1) The air inside the vehicle enters the inner PM2.5 sensor from the inner flow channel air inlet under the action of the inner flow channel fan, and then is discharged from the inner flow channel air outlet, for real-time monitoring of the air quality inside the vehicle; 2) The air outside the vehicle enters from the outer flow channel air inlet under the action of the outer flow channel fan, flows through the AQS sensor, then to the outer PM2.5 sensor, and finally is discharged outside the vehicle through the outer flow channel air outlet. During the air flow process, the detected air values are transmitted to the whole vehicle to provide data support for the vehicle control strategy.

10. A kind of car, characterized in that, It has a vehicle body, and on the vehicle body, an air quality sensor integration module as described in any one of claims 1 to 8 is provided.

Citation Information

Patent Citations

  • Method and device for controlling a heating element for heating a sensor element of a mass air flow sensor for a vehicle and mass air flow sensor system for a vehicle

    CN111133281A