Motor vehicle exhaust emission monitoring device with alarm function

By integrating multiple sensors and alarm devices, the problem of incomplete detection by traditional exhaust gas monitoring equipment has been solved, enabling accurate monitoring and timely alarm of vehicle exhaust emissions, thus improving the efficiency of environmental management.

CN224109459UActive Publication Date: 2026-04-10INNER MONGOLIA FAST MEASUREMENT & CONTROL EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-30
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Traditional exhaust emission monitoring equipment uses limited detection methods, cannot comprehensively and accurately detect multiple pollutants, and lacks a timely alarm mechanism, leading to excessive emissions and environmental pollution.

Method used

It employs multiple sensors (nitrogen oxides, hydrocarbons, oxygen, and particulate matter sensors) combined with a microprocessor and communication module to achieve accurate monitoring of multiple pollutants, and triggers alarm lights and speakers when the levels exceed the limits.

Benefits of technology

It enables precise and comprehensive real-time monitoring of vehicle exhaust emissions, timely alarms, reduction of pollutant emissions, support for data storage and remote supervision, and improved efficiency of environmental management.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224109459U_ABST
Patent Text Reader

Abstract

The utility model discloses a motor vehicle exhaust emission monitoring device with an alarm function, which relates to the technical field of motor vehicles and comprises a mounting block, an alarm lamp is arranged at the upper end of the mounting block, a loudspeaker is arranged on the outer side of the lower end of the alarm lamp, and a connecting pipe is arranged on the outer wall of the rear side of the mounting block. A monitoring probe is arranged at the lower end of the rear portion of the connecting pipe, an air inlet frame is arranged at the front end of the monitoring probe, an exhauster is arranged at the rear end of the monitoring probe, four sets of fan blades are arranged in the middle of the exhauster, a motor is arranged at the rear ends of the four sets of fan blades, and a mounting frame is arranged on the inner wall of the front side of the monitoring probe. A nitrogen oxide sensor, a carbon monoxide sensor, a hydrocarbon sensor and an oxygen sensor are arranged in the middle of the mounting frame. According to the motor vehicle tail gas emission monitoring device with the alarm function, various sensors are adopted, and accurate and comprehensive real-time monitoring can be carried out on tail gas of a motor vehicle.
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Description

TECHNICAL FIELD

[0001] The utility model relates to motor vehicle technical field especially a motor vehicle exhaust emission monitoring device with alarm function. BACKGROUND

[0002] Motor vehicle exhaust emission is one of the important sources of air pollution, which seriously threatens the environmental quality and human health. With the increasingly stringent environmental regulations, real-time monitoring and effective management of motor vehicle exhaust emission are becoming increasingly critical.

[0003] However, the traditional exhaust emission monitoring equipment has many shortcomings. On the one hand, the monitoring means is single, which cannot comprehensively and accurately detect various pollutants, and is prone to missed detection. On the other hand, there is no timely alarm mechanism, even if the exhaust emission is detected to be excessive, it is difficult to take measures to deal with it in time, resulting in continuous pollution of the environment by the motor vehicle with excessive emission. In order to solve the problems in the background art, we propose a motor vehicle exhaust emission monitoring device with alarm function. SUMMARY

[0004] The main purpose of the utility model is to provide a motor vehicle exhaust emission monitoring device with alarm function, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A motor vehicle exhaust emission monitoring device with alarm function, comprising a mounting block, a warning light is arranged at the upper end of the mounting block, a loudspeaker is arranged at the lower end outside of the warning light, a connecting pipe is arranged at the rear outer wall of the mounting block, a monitoring probe is arranged at the rear lower end of the connecting pipe, an air inlet frame is arranged at the front end of the monitoring probe, an exhaust machine is arranged at the rear end of the monitoring probe, four groups of fan blades are arranged in the middle of the exhaust machine, a motor is arranged at the rear end of the four groups of fan blades, an installation frame is arranged at the front inner wall of the monitoring probe, a nitrogen oxide sensor, a carbon monoxide sensor, a hydrocarbon sensor and an oxygen sensor are arranged in the middle of the installation frame, a particulate matter sensor is arranged at the rear inner wall of the monitoring probe, a microprocessor is arranged in the middle of the inside of the mounting block, a storage unit is arranged at one side of the inside of the mounting block, a communication module is arranged at the other side of the inside of the mounting block, a fixing ring is arranged at the lower end of the mounting block, and two groups of fixing bolts are arranged at the lower end of the fixing ring.

[0007] Preferably, the motor is provided with a fixing frame in the inside of the exhaust machine, the motor is detachably connected with the inner wall of the exhaust machine through the fixing frame, a rotating shaft is arranged between the middle of the fan blade and the inner wall of the exhaust machine, and the fan blade is rotationally connected with the inner wall of the exhaust machine through the rotating shaft.

[0008] Preferably, the nitrogen oxide sensor is an electrochemical sensor based on differential pulse voltammetry principle, the carbon monoxide sensor is an infrared detector based on non-dispersive infrared principle, the hydrocarbon sensor is equipped with a miniature hydrogen flame generator and a high-sensitivity ion collector, the oxygen sensor is a sensor based on a miniature hydrogen flame generator and a high-sensitivity ion collector, and the oxygen sensor is a zirconia ceramic tube.

[0009] Preferably, the particulate matter sensor is a laser scattering particulate matter sensor based on Mie scattering principle, and the particulate matter sensor is internally provided with a laser emitter and a photodetector.

[0010] Preferably, the inside of the mounting block is provided with a battery, and the microprocessor, the storage unit and the communication module are electrically connected with the battery, and the alarm lamp is electrically connected with the inside of the mounting block.

[0011] Preferably, the inside of the connecting pipe is provided with a wire, and the monitoring probe is electrically connected with the mounting block through the wire arranged in the connecting pipe.

[0012] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0013] 1、The nitrogen oxide sensor, the carbon monoxide sensor, the hydrocarbon sensor, the oxygen sensor and the particulate matter sensor are arranged in the utility model, advanced detection principles are adopted, various pollutants in motor vehicle exhaust can be accurately and comprehensively monitored in real time, once the exhaust emission exceeds the standard, the microprocessor triggers the alarm lamp to flash immediately, the loudspeaker also issues an alarm sound, relevant personnel can be attracted to pay attention in the first time, the vehicle exceeding the standard can be handled in time, and the pollutant emission can be effectively reduced.

[0014] 2、The storage unit can store the monitoring data locally, and subsequent tracing and analysis are facilitated, the communication module supports remote data transmission, the environmental protection department can obtain exhaust emission data in real time through the network, remote supervision is realized, the intelligent data management mode not only improves the data processing efficiency, but also provides effective data support for environmental protection policies. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic view of the utility model;

[0016] Figure 2 It is the structure disassembly schematic view of the intake frame and the exhaust machine of the utility model;

[0017] Figure 3 It is the sensor position structure split schematic view of the utility model;

[0018] Figure 4It is the installation block internal structure disassembly schematic view of the utility model.

[0019] In the figure: 1, installation block;2, connecting pipe;3, monitoring probe;4, alarm lamp;5, fixed ring;6, fixed bolt;7, air inlet frame;8, exhaust machine;9, fan blade;10, motor;11, installation frame;12, nitrogen oxide sensor;13, carbon monoxide sensor;14, hydrocarbon sensor;15, oxygen sensor;16, particulate matter sensor;17, microprocessor;18, storage unit;19, communication module;20, loudspeaker. DETAILED DESCRIPTION

[0020] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] For example, Figures 1-4As shown, the installation block 1 is the main body of the monitoring device, the upper end of the installation block 1 is provided with an alarm lamp 4, which can emit flashing light for alarm, the lower end of the alarm lamp 4 is provided with a loudspeaker 20 outside, which can emit alarm sound, the rear side wall of the installation block 1 is provided with a connecting pipe 2, the inside of the connecting pipe 2 is provided with a wire, the rear lower end of the connecting pipe 2 is provided with a monitoring probe 3, which is used to extend into the inside of the exhaust pipe to monitor the tail gas, the front end of the monitoring probe 3 is provided with an air inlet frame 7, the tail gas enters the inside of the monitoring probe 3 from the air inlet frame 7, the rear end of the monitoring probe 3 is provided with an exhaust machine 8, which is used to exhaust the tail gas in the inside of the monitoring probe 3, the middle of the exhaust machine 8 is provided with four groups of fan blades 9, the rear end of the four groups of fan blades 9 is provided with a motor 10, which is used to drive the fan blades 9 to rotate to generate airflow to exhaust the tail gas in the inside of the monitoring probe 3, the motor 10 and the inner wall of the monitoring probe 3 are provided with a mounting bracket, the motor 10 is detachably connected with the inner wall of the monitoring probe 3 through the mounting bracket, the front side inner wall of the monitoring probe 3 is provided with a mounting frame 11, the middle of the mounting frame 11 is provided with a nitrogen oxide sensor 12, a carbon monoxide sensor 13, a hydrocarbon sensor 14 and an oxygen sensor 15, the mounting frame 11 is used to install the nitrogen oxide sensor 12, the carbon monoxide sensor 13, the hydrocarbon sensor 14 and the oxygen sensor 15, the nitrogen oxide sensor 12 is an electrochemical sensor based on differential pulse voltammetry principle, the carbon monoxide sensor 13 is a non-dispersive infrared detector based on infrared detection principle, the hydrocarbon sensor 14 is equipped with a miniature hydrogen flame generator and a high-sensitivity ion collector, the oxygen sensor 15 is a sensor based on miniature hydrogen flame generator and high-sensitivity ion collector principle, the oxygen sensor 15 is a zirconia ceramic tube, the nitrogen oxide sensor 12, the carbon monoxide sensor 13, the hydrocarbon sensor 14 and the oxygen sensor 15 are respectively used to monitor the content of different components in the tail gas, the rear side inner wall of the monitoring probe 3 is provided with a particulate matter sensor 16, the particulate matter sensor 16 is a laser scattering type particulate matter sensor based on Mie scattering principle, the inside of the particulate matter sensor 16 is provided with a laser emitter and a photodetector, which are used to monitor the solid particulate matter contained in the tail gas.

[0022] As shown in the figure, Figures 1-4 The inside of the installation block 1 is provided with a microprocessor 17, which is used to calculate the monitoring results and control the switching of the alarm lamp 4 and the loudspeaker 20, one side of the inside of the installation block 1 is provided with a storage unit 18, which is used to store process data, the other side of the inside of the installation block 1 is provided with a communication module 19, which is used to transmit monitoring data, the lower end of the installation block 1 is provided with a fixing ring 5, which is used to fix the installation block 1 on the outer wall of the exhaust pipe, the lower end of the fixing ring 5 is provided with two groups of fixing bolts 6, which are used to fix the fixing ring 5.

[0023] It should be noted that the utility model is a kind of motor vehicle exhaust emission monitoring device with alarm function, when using, fixed ring 5 is wound around the outer wall of exhaust pipe, monitoring probe 3 is inserted into the inside of exhaust pipe, two groups of fixed bolts 6 are rotated to fixed ring 5 is fixed, motor 10 inside the exhaust machine 8 of monitoring probe 3 rear end drives fan blade 9 to rotate, airflow is generated, so that exhaust gas passes through the middle of monitoring probe 3, after the monitoring of nitrogen oxide sensor 12, carbon monoxide sensor 13, hydrocarbon sensor 14 and oxygen sensor 15, the concentration data of different gas compounds are transmitted to the inside of mounting block 1 by electric signal, then after the monitoring of particulate matter sensor 16, the content of solid particles in gas is transmitted to the inside of mounting block 1, after the processing of microprocessor 17, it is stored in the inside of storage unit 18, simultaneously by communication module 19 transmission to network, when the content of some compounds or solid particles in exhaust gas appears the situation of overproof, microprocessor 17 will control alarm lamp 4 to emit the light of flickering, simultaneously control loudspeaker 20 to emit alarm sound, so that people can know the abnormality of exhaust component in time.

[0024] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-described embodiments, and the above-described embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A motor vehicle exhaust emission monitoring device with alarm function, comprising a mounting block (1), characterized in that: The upper end of the mounting block (1) is provided with an alarm lamp (4), the lower end of the alarm lamp (4) is provided with a loudspeaker (20) on the outside, the rear side outer wall of the mounting block (1) is provided with a connecting pipe (2), the rear lower end of the connecting pipe (2) is provided with a monitoring probe (3), the front end of the monitoring probe (3) is provided with an air inlet frame (7), the rear end of the monitoring probe (3) is provided with an exhaust machine (8), the middle of the exhaust machine (8) is provided with four groups of fan blades (9), the rear end of the four groups of fan blades (9) is provided with a motor (10), the front side inner wall of the monitoring probe (3) is provided with a mounting frame (11), the middle of the mounting frame (11) is provided with a nitrogen oxide sensor (12), a carbon monoxide sensor (13), a hydrocarbon sensor (14) and an oxygen sensor (15), the rear side inner wall of the monitoring probe (3) is provided with a particulate matter sensor (16), the middle of the inside of the mounting block (1) is provided with a microprocessor (17), one side of the inside of the mounting block (1) is provided with a storage unit (18), the other side of the inside of the mounting block (1) is provided with a communication module (19), the lower end of the mounting block (1) is provided with a fixing ring (5), the lower end of the fixing ring (5) is provided with two groups of fixing bolts (6).

2. A motor vehicle exhaust emission monitoring device with alarm function as claimed in claim 1 wherein: The motor (10) is provided with a fixing frame in the exhaust machine (8), the motor (10) is detachably connected with the inner wall of the exhaust machine (8) through the fixing frame, and the middle of the fan blade (9) and the inner wall of the exhaust machine (8) are provided with a rotating shaft, and the fan blade (9) is rotationally connected with the inner wall of the exhaust machine (8) through the rotating shaft.

3. A motor vehicle exhaust emission monitoring device with alarm function as claimed in claim 1 wherein: The nitrogen oxide sensor (12) is an electrochemical sensor based on the principle of differential pulse voltammetry, the carbon monoxide sensor (13) is an infrared detector based on the principle of nondispersive infrared, the hydrocarbon sensor (14) is equipped with a micro hydrogen flame generator and a high sensitivity ion collector, the oxygen sensor (15) is a sensor based on the principle of micro hydrogen flame generator and high sensitivity ion collector, and the oxygen sensor (15) is a zirconia ceramic tube.

4. The motor vehicle exhaust emission monitoring device with alarm function according to claim 1, characterized in that: The particulate matter sensor (16) is a laser scattering particulate matter sensor based on the principle of Mie scattering, and the inside of the particulate matter sensor (16) is provided with a laser emitter and a photodetector.

5. The motor vehicle exhaust emission monitoring device with alarm function according to claim 1, characterized in that: The inside of the mounting block (1) is provided with a battery, the microprocessor (17), the storage unit (18) and the communication module (19) are electrically connected with the battery, and the alarm lamp (4) is electrically connected with the inside of the mounting block (1).

6. A motor vehicle exhaust emission monitoring device with alarm function according to claim 1, characterized in that: The inside of the connecting pipe (2) is provided with a wire, and the monitoring probe (3) is electrically connected with the mounting block (1) through the wire arranged in the connecting pipe (2).