Automobile carbon emission detection device

Abstract

The utility model discloses an automobile carbon emission detection device, and relates to the technical field of automobile carbon emission detection. According to the automobile carbon emission detection device, a limiting sleeve is rotated to be taken down from the upper end of a limiting rod, a sealing cover can be lifted through a handle, a mounting frame is driven to be taken out from the inner side of a filter bin, a filter element can be conveniently taken out from the mounting frame to be replaced, and after replacement is completed, the mounting frame is put into the filter bin, so that the limiting rod penetrates through a sleeve to extend to the upper end of the sealing cover; then a limiting sleeve is installed at the upper end of a limiting rod, the limiting sleeve is rotated till the limiting sleeve is tightly attached to the surface of the sealing cover, the sealing cover is fastened, the air tightness of the filtering bin is improved, the output end of the draught fan is communicated with the input pipe by controlling reversing of a first reversing valve and a second reversing valve, and the rear end of the filtering bin is communicated with the input end of the draught fan; therefore, the clean airflow drives the dust to break away from the surface of the detection assembly and enter the filtering bin from the output pipe to be filtered, and circulating dust removal of the detection bin is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile carbon emission detection, in particular to an automobile carbon emission detection device. Background Art

[0002] Automobile exhaust is the waste gas generated when a car is in use. It contains hundreds of different compounds, among which pollutants include solid suspended particles, carbon monoxide, carbon dioxide, hydrocarbons, nitrogen oxides, lead and sulfur oxides. Among them, carbon emission monitoring equipment is used to detect the carbon emissions of automobiles. The carbon emission monitoring system directly measures the concentration of gases such as CO2 and CH4, flue gas flow rate and humidity parameters at the emission source to obtain carbon emissions.

[0003] For example, publication number CN220323241U discloses an automobile carbon emission detection device, in which a buffer bin is provided at the bottom of a main box body, a buffer mesh plate is provided in the buffer bin, an air inlet nozzle mechanism is installed at the bottom of the main box body below the buffer bin, a detector is provided on one side of the main box body, a purification exhaust mechanism is provided above the detector, heat exchange plates are distributed in the buffer bin, heat exchange coils are provided between the heat exchange plates, a heat exchange medium box is provided on the other side of the main box body, a circulation pump is provided between the heat exchange medium box and the heat exchange coil, and a cooling mechanism is provided between the inside and outside of the heat exchange medium box; the utility model can cool down the collected automobile exhaust gas by arranging heat exchange plates and heat exchange coils, and cooperates with the buffer mesh plate in the buffer bin to greatly reduce the impact of automobile exhaust gas, protect the internal electronic components of the detector, and extend its service life. At the same time, the detachable purification exhaust structure realizes the convenient replacement of the purification filter element, which is easy to use;

[0004] The automobile carbon emission detection device in this utility model lacks the function of cleaning the inside of the detector, which causes solid suspended particles in automobile exhaust to easily adhere to the surface of the detection component during long-term use, affecting the accuracy of the detection data and the service life of the detector. At the same time, its purification exhaust mechanism needs to open the box cover to remove the filter element when replacing the filter element, which makes the replacement of the filter element more troublesome. In addition, the filter element lacks a fixed structure and is easily loosened due to vibration, affecting the air tightness of the purification exhaust mechanism and easily causing leakage of harmful gases. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an automobile carbon emission detection device, which solves the problem that the automobile carbon emission detection device lacks a cleaning function for the inside of the detector, resulting in the surface of the detection component being easily adhered to solid suspended particles in the automobile exhaust during long-term use, affecting the accuracy of the detection data and the service life of the detector. At the same time, its purification exhaust mechanism requires the box cover to be opened when replacing the filter element so that the filter element can be taken out, which makes the replacement of the filter element more troublesome. In addition, the filter element lacks a fixed structure and is easily loosened due to vibration, affecting the airtightness of the purification exhaust mechanism and easily causing leakage of harmful gases.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a vehicle carbon emission detection device, comprising a box body, a box cover is fixedly installed on the upper end of the box body, an air intake pipe is arranged at the lower end of the box body, a cooling bin is arranged on the inner side of the box body, a reversing valve 1 is arranged on the upper end of the cooling bin, a detection bin is arranged on the right side of the cooling bin, an input pipe is arranged on the upper end of the detection bin, a detection assembly is arranged on the inner side of the detection bin, an output pipe is arranged on the right side of the detection bin, a filter bin is arranged on the rear side of the detection bin, a mounting frame is arranged on the inner side of the filter bin, a sealing cover is arranged on the upper end of the mounting frame, a sleeve is arranged on the inner side of the mounting frame, filter elements are arranged on the left and right sides of the sleeve, a limiting rod is arranged on the inner side of the sleeve, a limiting sleeve is arranged on the upper end of the limiting rod, a reversing valve 2 is arranged on the left side of the filter bin, an exhaust pipe is arranged at the rear end of the reversing valve 2, and a fan is arranged at the front end of the reversing valve 2.

[0007] Preferably, the air intake pipe extends to the inner side of the box body and is connected with the lower end of the cooling bin. A cooling assembly is provided on the inner side of the cooling bin. The upper end of the cooling bin is connected with a reversing valve to facilitate cooling and buffering of automobile exhaust.

[0008] Preferably, one end of the input pipe is connected to a reversing valve, the other end of the input pipe extends to the inner side of the detection chamber and is adapted to the surface of the detection component, one end of the output pipe is connected to the right side of the detection chamber, and the other end of the output pipe is connected to the right side of the filter chamber, so as to facilitate blowing the automobile exhaust gas to the detection component for detection.

[0009] Preferably, the inner side of the mounting frame and the filter bin are adapted to each other, and partition nets are fixedly installed on the left and right sides of the inner side of the mounting frame. The lower end of the sealing cover is fixedly connected to the upper end of the mounting frame and is sealed to the upper end of the filter bin. The upper end of the sealing cover extends to the upper end of the box cover and is fixedly installed with a handle to facilitate the disassembly and assembly of the mounting frame.

[0010] Preferably, the limit rod and the inner side of the sleeve are slidably sleeved, the lower end of the limit rod is fixedly connected to the inner side of the filter bin, the upper end of the limit rod extends to the upper end of the sealing cover through the through hole, and is threadedly connected to the limit sleeve, and the lower end of the limit sleeve is tightly fitted to the surface of the sealing cover, which facilitates the locking of the sealing cover.

[0011] Preferably, the left end of the filter bin is connected to the second reversing valve, the rear end of the exhaust pipe extends to the outside of the box, and the front end of the exhaust pipe is connected to the second reversing valve to facilitate the discharge of the treated gas.

[0012] Preferably, the input end of the fan and the front end of the reversing valve 2 are connected to each other, and the output end of the fan and the reversing valve 1 are connected to each other, so as to conveniently control the direction of the airflow to clean the detection chamber.

[0013] Beneficial Effects

[0014] The utility model provides a vehicle carbon emission detection device. Compared with the prior art, it has the following beneficial effects:

[0015] 1. The automobile carbon emission detection device is provided with a filter bin, a mounting frame, a sealing cover, a sleeve, a filter element, a limiting rod, and a limiting sleeve. The limiting sleeve is rotated to remove it from the upper end of the limiting rod, and the sealing cover can be lifted by a handle to drive the mounting frame to be removed from the inner side of the filter bin, so that the filter element can be removed from the mounting frame for replacement. After the replacement is completed, the mounting frame is placed in the filter bin, the limiting rod is extended through the sleeve to the upper end of the sealing cover, and the limiting sleeve is installed on the upper end of the limiting rod. The limiting sleeve is rotated until it is tightly fitted with the surface of the sealing cover, so as to achieve the tightening of the sealing cover, improve the air tightness of the filter bin, and avoid the leakage of harmful gases.

[0016] 2. The automobile carbon emission detection device is provided with a reversing valve 1, a detection chamber, an input pipe, a detection component, an output pipe, a filter chamber, a reversing valve 2, and a fan. By controlling the reversing of the reversing valve 1 and the reversing valve 2, the output end of the fan and the input pipe are connected, and the rear end of the filter chamber and the input end of the fan are connected, so that the clean airflow drives the dust away from the surface of the detection component and enters the filter chamber from the output pipe for filtration, thereby realizing cyclic dust removal of the detection chamber, preventing solid suspended particles in the automobile exhaust from adhering to the surface of the detection component, affecting the accuracy of the detection data and the service life of the detector. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 3This is a schematic diagram of the internal three-dimensional structure of the box body of the utility model;

[0020] Figure 4 This is a schematic diagram of the half-section structure of the detection chamber of the utility model;

[0021] Figure 5 This is a schematic diagram of the half-section structure of the filter bin of the utility model in a front view.

[0022] In the figure: 1. Box body; 2. Box cover; 3. Inlet pipe; 4. Cooling chamber; 5. Reversing valve 1; 6. Detection chamber; 7. Input pipe; 8. Detection assembly; 9. Output pipe; 10. Filter chamber; 11. Mounting frame; 111. Partition net; 12. Sealing cover; 13. Sleeve; 14. Filter element; 15. Limit rod; 16. Limit sleeve; 17. Reversing valve 2; 18. Exhaust pipe; 19. Fan. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 The utility model provides a technical solution: a vehicle carbon emission detection device, comprising a box body 1, a box cover 2 is fixedly installed on the upper end of the box body 1, an air intake pipe 3 is arranged at the lower end of the box body 1, a cooling bin 4 is arranged inside the box body 1, a reversing valve 5 is arranged at the upper end of the cooling bin 4, the air intake pipe 3 extends to the inner side of the box body 1, and is connected with the lower end of the cooling bin 4, a cooling component is arranged inside the cooling bin 4, the upper end of the cooling bin 4 and the reversing valve 5 are connected with each other, a detection bin 6 is arranged on the right side of the cooling bin 4, an input pipe 7 is arranged on the upper end of the detection bin 6, a detection component 8 is arranged inside the detection bin 6, and an input valve 9 is arranged on the right side of the detection bin 6. The outlet pipe 9 and the filter chamber 10 are arranged on the rear side of the detection chamber 6. One end of the input pipe 7 is connected to the reversing valve 5, and the other end of the input pipe 7 extends to the inner side of the detection chamber 6 and is adapted to the surface of the detection component 8. One end of the output pipe 9 is connected to the right side of the detection chamber 6, and the other end of the output pipe 9 is connected to the right side of the filter chamber 10. The automobile exhaust is input into the cooling chamber 4 through the intake pipe 3 for cooling and buffering, and then enters the detection chamber 6 through the reversing valve 5 and the input pipe 7, so that the detection component 8 detects it, and the detected gas is input into the filter chamber 10 from the output pipe 9, so as to realize the carbon emission detection and purification treatment of the automobile exhaust;

[0025] A mounting frame 11 is provided on the inner side of the filter bin 10, and a sealing cover 12 is provided on the upper end of the mounting frame 11. The mounting frame 11 and the inner side of the filter bin 10 are adapted to each other, and a partition net 111 is fixedly installed on the left and right sides of the inner side of the mounting frame 11. The lower end of the sealing cover 12 is fixedly connected to the upper end of the mounting frame 11 and is sealed to the upper end of the filter bin 10. The upper end of the sealing cover 12 extends to the upper end of the box cover 2 and is fixedly installed with a handle. A sleeve 13 is provided on the inner side of the mounting frame 11, and filter elements 14 are provided on the left and right sides of the sleeve 13. A limiting rod 15 is provided on the inner side of the sleeve 13, and a limiting sleeve 16 is provided on the upper end of the limiting rod 15. The limiting rod 15 is slidably sleeved with the inner side of the sleeve 13, and the lower end of the limiting rod 15 is fixedly connected to the inner side of the filter bin 10. Then, the upper end of the limiting rod 15 extends to the upper end of the sealing cover 12 through the through hole, and is threadedly connected with the limiting sleeve 16. The lower end of the limiting sleeve 16 is tightly fitted with the surface of the sealing cover 12. When the filter element 14 needs to be replaced, the limiting sleeve 16 is rotated to remove it from the upper end of the limiting rod 15, and the sealing cover 12 can be lifted by the handle to drive the mounting frame 11 to be taken out from the inner side of the filter bin 10, so that the filter element 14 can be taken out and replaced from the mounting frame 11 conveniently. After the replacement is completed, the mounting frame 11 is placed in the filter bin 10, so that the limiting rod 15 passes through the sleeve 13 and extends to the upper end of the sealing cover 12, and then the limiting sleeve 16 is installed on the upper end of the limiting rod 15, and the limiting sleeve 16 is rotated until it is tightly fitted with the surface of the sealing cover 12 to achieve the fastening of the sealing cover 12;

[0026] A reversing valve 17 is provided on the left side of the filter bin 10, and an exhaust pipe 18 is provided at the rear end of the reversing valve 17. The left end of the filter bin 10 and the reversing valve 17 are connected to each other, and the rear end of the exhaust pipe 18 extends to the outside of the box body 1, and the front end of the exhaust pipe 18 and the reversing valve 17 are connected to each other. A fan 19 is provided at the front end of the reversing valve 17, and the input end of the fan 19 and the front end of the reversing valve 17 are connected to each other, and the output end of the fan 19 and the reversing valve 15 are connected to each other. When it is necessary to clean the detection bin 6, the reversing of the reversing valve 15 and the reversing valve 17 is controlled to make the output end of the fan 19 and the input pipe 7 connected, and the rear end of the filter bin 10 and the input end of the fan 19 are connected, so that the clean airflow drives the dust away from the surface of the detection component 8, and enters the filter bin 10 from the output pipe 9 for filtration, so as to realize the circulating dust removal of the detection bin 6.

[0027] During use, the automobile exhaust gas is input into the cooling chamber 4 through the intake pipe 3 for cooling and buffering, and then enters the detection chamber 6 through the reversing valve 1 5 and the input pipe 7, so that the detection component 8 detects it. The detected gas is input into the filter chamber 10 from the output pipe 9, and is filtered and cleaned by the filter element 14 and discharged from the exhaust pipe 18 through the reversing valve 2 17, so as to realize the carbon emission detection and purification of automobile exhaust gas. When the filter element 14 needs to be replaced, it can be removed from the upper end of the limiting rod 15 by rotating the limiting sleeve 16, and the sealing cover 12 can be lifted by the handle to drive the mounting frame 11 to be taken out from the inner side of the filter chamber 10, so that the filter element 14 can be taken out from the mounting frame 11 for replacement. After the replacement is completed, the mounting frame 11 is placed in the filter chamber 10, so that the limiting rod 15 extends through the sleeve 13. To the upper end of the sealing cover 12, and then install the limit sleeve 16 on the upper end of the limit rod 15, rotate the limit sleeve 16 until it is tightly fitted with the surface of the sealing cover 12, so as to achieve the fastening of the sealing cover 12, improve the air tightness of the filter chamber 10, and avoid the leakage of harmful gases. When the detection chamber 6 needs to be cleaned, the reversing valve 15 and the reversing valve 2 17 are controlled to reverse, so that the output end of the fan 19 and the input pipe 7 are connected, and the rear end of the filter chamber 10 and the input end of the fan 19 are connected, so that the clean airflow drives the dust away from the surface of the detection component 8 and enters the filter chamber 10 from the output pipe 9 for filtration, thereby realizing the circulating dust removal of the detection chamber 6, and avoiding the solid suspended particles in the automobile exhaust gas from adhering to the surface of the detection component 8, affecting the accuracy of the detection data and the service life of the detector.

[0028] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vehicle carbon emission detection device, comprising a housing (1), characterized in that: A box cover (2) is fixedly mounted on the upper end of the box body (1), an air intake pipe (3) is arranged at the lower end of the box body (1), a cooling chamber (4) is arranged on the inner side of the box body (1), a reversing valve (5) is arranged on the upper end of the cooling chamber (4), a detection chamber (6) is arranged on the right side of the cooling chamber (4), an input pipe (7) is arranged on the upper end of the detection chamber (6), a detection assembly (8) is arranged on the inner side of the detection chamber (6), an output pipe (9) is arranged on the right side of the detection chamber (6), a filter chamber (10) is arranged on the rear side of the detection chamber (6), and the filter chamber (10) is arranged on the rear side of the detection chamber (6). ) is provided on the inner side of the filter chamber (10), a sealing cover (12) is provided on the upper end of the mounting frame (11), a sleeve (13) is provided on the inner side of the mounting frame (11), filter elements (14) are provided on the left and right sides of the sleeve (13), a limiting rod (15) is provided on the inner side of the sleeve (13), a limiting sleeve (16) is provided on the upper end of the limiting rod (15), a reversing valve (17) is provided on the left side of the filter chamber (10), an exhaust pipe (18) is provided at the rear end of the reversing valve (17), and a fan (19) is provided at the front end of the reversing valve (17).

2. The vehicle carbon emission detection device according to claim 1, characterized in that: The air inlet pipe (3) extends to the inner side of the box body (1) and is connected to the lower end of the cooling bin (4). A cooling assembly is provided on the inner side of the cooling bin (4). The upper end of the cooling bin (4) is connected to a reversing valve (5).

3. The vehicle carbon emission detection device according to claim 1, characterized in that: One end of the input pipe (7) is connected to the reversing valve (5), the other end of the input pipe (7) extends to the inner side of the detection chamber (6) and is adapted to the surface of the detection assembly (8), one end of the output pipe (9) is connected to the right side of the detection chamber (6), and the other end of the output pipe (9) is connected to the right side of the filter chamber (10).

4. The vehicle carbon emission detection device according to claim 1, characterized in that: The mounting frame (11) and the inner side of the filter bin (10) are adapted to each other, and a partition net (111) is fixedly installed on the left and right sides of the inner side of the mounting frame (11). The lower end of the sealing cover (12) is fixedly connected to the upper end of the mounting frame (11) and is sealed to the upper end of the filter bin (10). The upper end of the sealing cover (12) extends to the upper end of the box cover (2) and is fixedly installed with a handle.

5. The vehicle carbon emission detection device according to claim 1, characterized in that: The limiting rod (15) is slidably sleeved with the inner side of the sleeve (13); the lower end of the limiting rod (15) is fixedly connected to the inner side of the filter bin (10); the upper end of the limiting rod (15) extends to the upper end of the sealing cover (12) through a through hole and is threadedly connected to the limiting sleeve (16); the lower end of the limiting sleeve (16) is tightly fitted with the surface of the sealing cover (12).

6. The automobile carbon emission detection device according to claim 1, characterized in that: The left end of the filter bin (10) is connected to the second reversing valve (17), the rear end of the exhaust pipe (18) extends to the outside of the box body (1), and the front end of the exhaust pipe (18) is connected to the second reversing valve (17).

7. The automobile carbon emission detection device according to claim 1, characterized in that: The input end of the fan (19) and the front end of the second reversing valve (17) are connected to each other, and the output end of the fan (19) and the first reversing valve (5) are connected to each other.

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