High-precision portable carbon emission measuring instrument

The portable carbon emission measuring instrument that integrates an air extraction pump, a sensor and a detection module solves the problem of portable flue gas detection and achieves high-precision carbon emission detection.

CN223362039UActive Publication Date: 2025-09-19JINAN METROLOGY TESTING INST
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Patent Information

Application Number
CN202421299863.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-09-19
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

The existing technology lacks portable high-precision flue gas detection devices, which makes carbon emission detection inconvenient.

Method used

A high-precision portable carbon emission measuring instrument was designed, which integrates an air extraction pump, multiple sensors and detection modules, and achieves high-precision detection of flue gas through a multi-stage filtration and detection process.

Benefits of technology

It realizes portable and high-precision smoke detection with high detection accuracy, novel structure, integrated design and easy to carry.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223362039U_ABST
Patent Text Reader

Abstract

A high-precision portable carbon emission measuring instrument comprises a sucking pump, a first three-way electromagnetic valve, an electrochemical sensor assembly and an exhaust port, one side of the sucking pump is connected with the first three-way electromagnetic valve through a pipeline, and one side of the first three-way electromagnetic valve is connected with a first gasoline filter and a second gasoline filter through pipelines. One side of the first gasoline filter is connected with an air inlet nozzle through a pipeline, one side of the second gasoline filter is connected with a smoke filter element through a pipeline, one side of the smoke filter element is connected with a smoke inlet nozzle through a pipeline, the other side of the sucking pump is connected with an air capacitor through a pipeline, and one side of the air capacitor is connected with a flow meter through a pipeline. According to the utility model, the structure is novel, the conception is ingenious, the flue gas can be conveniently detected, the detection precision is high, the whole machine is integrally designed, and the device is portable and light.
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Description

Technical Field

[0001] The utility model relates to a measuring instrument, in particular to a high-precision portable carbon emission measuring instrument. Background Art

[0002] Carbon emissions is a general term or abbreviation for greenhouse gas emissions. Carbon dioxide is the most predominant greenhouse gas, so the term "carbon" is used to represent it. While not entirely accurate, for the sake of quick understanding, "carbon emissions" can be simply understood as "carbon dioxide emissions."

[0003] Every human activity has the potential to generate carbon emissions. For example, the use of various fuels, gases, paraffin, and coal, the operation of cities, daily life, and transportation (planes, trains, cars, etc.) all produce significant amounts of carbon dioxide. Even simple activities like cooking, drinking a bottle of water, or ordering takeout generate carbon emissions during production and transportation. Carbon emissions are closely linked to our daily lives, including food, clothing, housing, and transportation.

[0004] When conducting environmental testing, it is necessary to test the flue gas. However, there is no good testing device that is easy to carry, which is not conducive to the use of flue gas testing. Utility Model Content

[0005] In view of the above situation, in order to overcome the defects of the existing technology, the utility model provides a high-precision portable carbon emission measuring instrument, which effectively solves the problem that there is a need to detect flue gas, but there is currently no good detection device that is easy to carry, which is not conducive to the detection and use of flue gas.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: The present invention includes an air extraction pump, a first three-way solenoid valve, a first gasoline filter, an air intake nozzle, a second gasoline filter, a flue gas filter element, a flue gas intake nozzle, an air volume, a flow meter, a differential pressure sensor, a temperature and humidity sensor, a second three-way solenoid valve, an exhaust and drainage interface, a gas infrared detection module, an electrochemical sensor assembly and an exhaust port. One side of the air extraction pump is connected to the first three-way solenoid valve through a pipeline, and one side of the first three-way solenoid valve is respectively connected to the first gasoline filter and the second gasoline filter through pipelines. One side of the first gasoline filter is connected to the air intake nozzle through a pipeline, and the second gasoline filter One side of the device is connected to a flue gas filter through a pipe, one side of the flue gas filter is connected to a flue gas inlet nozzle through a pipe, the other side of the vacuum pump is connected to an air container through a pipe, one side of the air container is connected to a flow meter through a pipe, a differential pressure sensor is installed on the flow meter, one side of the flow meter is connected to a temperature and humidity sensor through a pipe, one side of the temperature and humidity sensor is connected to a second three-way solenoid valve through a pipe, one side of the second three-way solenoid valve is provided with an exhaust and drainage interface, the other side of the second three-way solenoid valve is connected to a gas infrared detection module through a pipe, one side of the gas infrared detection module is connected to an electrochemical sensor assembly through a pipe, and one end of the electrochemical sensor assembly is provided with an exhaust port.

[0007] Preferably, the electrochemical sensor assembly is a CO sensor, a CO2 sensor, a CH4 sensor, a N2O sensor, an O2 sensor and a H2S sensor.

[0008] Preferably, the gas infrared detection module adopts an existing gas infrared detector.

[0009] Preferably, the vacuum pump, the first three-way solenoid valve, the first gasoline filter, the air intake nozzle, the second gasoline filter, the flue gas filter element, the flue gas intake nozzle, the gas volume, the flow meter, the differential pressure sensor, the temperature and humidity sensor, the second three-way solenoid valve, the exhaust and drainage interface, the gas infrared detection module, the electrochemical sensor assembly and the exhaust port are all collectively installed in the shell.

[0010] Preferably, a ZR-3221A-MB mainboard is installed on the electrochemical sensor assembly.

[0011] Preferably, the electrochemical sensor components are electrically connected to the ZR-3221A-MB mainboard respectively.

[0012] Beneficial effects: When the utility model is used, the gas is filtered by the installed first gasoline filter, and the incoming flue gas is filtered by the installed flue gas filter element. The filtered gas and flue gas are transported to the gas container via the vacuum pump, and the gas container is transported to the flow meter. The gas is transported to the second three-way solenoid valve and the gas infrared detection module via the flow meter. The gas is detected by the gas infrared detection module using the non-dispersive infrared method, and then transported to the electrochemical sensor assembly. The electrochemical sensor assembly collects signals of various gases in the gas, and then performs gas detection using the electrochemical method. Finally, the gas is discharged through the exhaust port, and the flue gas containing O2 is detected by the O2 electrochemical sensor to determine the instantaneous concentration of O2. The excess air coefficient α is calculated based on the detected O2 concentration. The utility model has a novel structure and an ingenious design, is convenient for flue gas detection, has high detection accuracy, and is an integrated design that is portable and lightweight. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Numbers in the figure: 1. Vacuum pump; 2. First three-way solenoid valve; 3. First gasoline filter; 4. Air inlet nozzle; 5. Second gasoline filter; 6. Flue gas filter element; 7. Flue gas inlet nozzle; 8. Gas volume; 9. Flow meter; 10. Differential pressure sensor; 11. Temperature and humidity sensor; 12. Second three-way solenoid valve; 13. Exhaust and drain interface; 14. Gas infrared detection module; 15. Electrochemical sensor assembly; 16. Exhaust port. DETAILED DESCRIPTION

[0016] The following is combined with Figure 1 The specific implementation methods of the present utility model are further described in detail.

[0017] Embodiment 1, by Figure 1The utility model provides a high-precision portable carbon emission measuring instrument, including an air pump 1, a first three-way solenoid valve 2, a first gasoline filter 3, an air intake nozzle 4, a second gasoline filter 5, a flue gas filter element 6, a flue gas intake nozzle 7, an air volume 8, a flow meter 9, a differential pressure sensor 10, a temperature and humidity sensor 11, a second three-way solenoid valve 12, an exhaust and drainage interface 13, a gas infrared detection module 14, an electrochemical sensor assembly 15 and an exhaust port 16. One side of the air pump 1 is connected to the first three-way solenoid valve 2 through a pipeline, and one side of the first three-way solenoid valve 2 is respectively connected to the first gasoline filter 3 and the second gasoline filter 5 through pipelines. One side of the first gasoline filter 3 is connected to the air intake nozzle 4 through a pipeline, and one side of the second gasoline filter 5 is connected to the exhaust port 16. One side of the exhaust pump 1 is connected to a flue gas filter element 6 through a pipe, one side of the flue gas filter element 6 is connected to a flue gas inlet nozzle 7 through a pipe, the other side of the exhaust pump 1 is connected to an air container 8 through a pipe, one side of the air container 8 is connected to a flow meter 9 through a pipe, a differential pressure sensor 10 is installed on the flow meter 9, one side of the flow meter 9 is connected to a temperature and humidity sensor 11 through a pipe, one side of the temperature and humidity sensor 11 is connected to a second three-way solenoid valve 12 through a pipe, one side of the second three-way solenoid valve 12 is provided with an exhaust and drainage interface 13, the other side of the second three-way solenoid valve 12 is connected to a gas infrared detection module 14 through a pipe, one side of the gas infrared detection module 14 is connected to an electrochemical sensor assembly 15 through a pipe, and one end of the electrochemical sensor assembly 15 is provided with an exhaust port 16.

[0018] The electrochemical sensor assembly 15 includes a CO sensor, a CO2 sensor, a CH4 sensor, a N2O sensor, an O2 sensor, and a H2S sensor, which facilitates signal acquisition of various gases through the CO sensor, the CO2 sensor, the CH4 sensor, the N2O sensor, the O2 sensor, and the H2S sensor.

[0019] The gas infrared detection module 14 uses an existing gas infrared detector to facilitate non-dispersive infrared detection of flue gas.

[0020] The vacuum pump 1, the first three-way solenoid valve 2, the first gasoline filter 3, the air intake nozzle 4, the second gasoline filter 5, the flue gas filter element 6, the flue gas intake nozzle 7, the gas volume 8, the flow meter 9, the differential pressure sensor 10, the temperature and humidity sensor 11, the second three-way solenoid valve 12, the exhaust and drainage interface 13, the gas infrared detection module 14, the electrochemical sensor assembly 15 and the exhaust port 16 are all installed in the shell for easy carrying and use after integrated installation.

[0021] A ZR-3221A-MB mainboard is installed on the electrochemical sensor assembly 15 to facilitate processing of signals collected by the electrochemical sensor assembly 15 .

[0022] The electrochemical sensor components 15 are electrically connected to the ZR-3221A-MB mainboard to facilitate signal transmission and processing.

[0023] Working principle: When the present invention is used, the gas is filtered by the installed first gasoline filter 3, and the incoming flue gas is filtered by the installed flue gas filter element 6. The filtered gas and flue gas are transported to the gas volume 8 through the vacuum pump 1, and the gas volume 8 is transported to the flow meter 9, and then transported to the second three-way solenoid valve 12 and the gas infrared detection module 14 through the flow meter 9. The gas is detected by the non-dispersive infrared method through the gas infrared detection module 14, and then transported to the electrochemical sensor assembly 15. The signals of various gases in the gas are collected by the electrochemical sensor assembly 15, and then the gas is detected by the electrochemical method. Finally, it is discharged through the exhaust port 16, and the flue gas containing O2 is detected by the O2 electrochemical sensor to detect the instantaneous concentration of O2. According to the detected O2 concentration, the air excess coefficient α is converted.

[0024] Beneficial effects: The utility model has a novel structure and an ingenious conception, is convenient for detecting smoke, has high detection accuracy, an integrated design of the whole machine, and is portable and light.

[0025] Through the use of wires by those skilled in the art, all electrical components in this case are connected to their corresponding power supplies, and appropriate controllers and encoders should be selected according to actual conditions to meet control requirements. The specific connection and control sequence should refer to the following working principle, in which the electrical components are electrically connected in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and no longer explains the electrical control.

[0026] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A high-precision portable carbon emission measuring instrument, comprising an air pump (1), a first three-way solenoid valve (2), a first gasoline filter (3), an air intake nozzle (4), a second gasoline filter (5), a flue gas filter element (6), a flue gas intake nozzle (7), an air volume (8), a flow meter (9), a differential pressure sensor (10), a temperature and humidity sensor (11), a second three-way solenoid valve (12), an exhaust and drainage interface (13), a gas infrared detection module (14), an electrochemical sensor assembly (15) and an exhaust port (16), characterized in that: One side of the air extraction pump (1) is connected to a first three-way solenoid valve (2) through a pipeline, one side of the first three-way solenoid valve (2) is respectively connected to a first gasoline filter (3) and a second gasoline filter (5) through pipelines, one side of the first gasoline filter (3) is connected to an air intake nozzle (4) through a pipeline, one side of the second gasoline filter (5) is connected to a smoke filter element (6) through a pipeline, one side of the smoke filter element (6) is connected to a smoke intake nozzle (7) through a pipeline, the other side of the air extraction pump (1) is connected to an air container (8) through a pipeline, one side of the air container (8) is connected to a flow meter (9) through a pipeline, and the flow meter (9) is connected to the air container (8). A differential pressure sensor (10) is installed on the flow meter (9); one side of the flow meter (9) is connected to a temperature and humidity sensor (11) through a pipeline; one side of the temperature and humidity sensor (11) is connected to a second three-way solenoid valve (12) through a pipeline; one side of the second three-way solenoid valve (12) is provided with an exhaust and drainage interface (13); the other side of the second three-way solenoid valve (12) is connected to a gas infrared detection module (14) through a pipeline; one side of the gas infrared detection module (14) is connected to an electrochemical sensor assembly (15) through a pipeline; and one end of the electrochemical sensor assembly (15) is provided with an exhaust port (16).

2. The high-precision portable carbon emission measuring instrument according to claim 1, characterized in that: The electrochemical sensor assembly (15) is a CO sensor, a CO2 sensor, a CH4 sensor, an N2O sensor, an O2 sensor and an H2S sensor.

3. The high-precision portable carbon emission measuring instrument according to claim 1, characterized in that: The gas infrared detection module (14) adopts an existing gas infrared detector.

4. The high-precision portable carbon emission measuring instrument according to claim 1, characterized in that: The air pump (1), the first three-way solenoid valve (2), the first gasoline filter (3), the air intake nozzle (4), the second gasoline filter (5), the flue gas filter element (6), the flue gas intake nozzle (7), the gas volume (8), the flow meter (9), the differential pressure sensor (10), the temperature and humidity sensor (11), the second three-way solenoid valve (12), the exhaust and drainage interface (13), the gas infrared detection module (14), the electrochemical sensor assembly (15) and the exhaust port (16) are all collectively installed in the housing.

5. The high-precision portable carbon emission measuring instrument according to claim 1, characterized in that: A ZR-3221(A)-MB mainboard is installed on the electrochemical sensor assembly (15).

6. The high-precision portable carbon emission measuring instrument according to claim 5, characterized in that: The electrochemical sensor components (15) are electrically connected to the ZR-3221(A)-MB mainboard respectively.