Data acquisition device for environmental protection detection equipment of motor vehicle

Abstract

The utility model discloses a motor vehicle environmental protection detection equipment data acquisition device, which comprises a shell, an end cover, an air inlet pipe, an air outlet pipe and a detector, the inner wall of the shell is fixedly connected with a partition plate, and the detector is arranged on the side wall of the partition plate and is positioned between the partition plate and the air inlet pipe. The automobile tail gas detector is reasonable in structural design, the detector can detect automobile tail gas components and collect data, automobile tail gas can be filtered and purified and then discharged, pollution to the environment is avoided, exhaust of the automobile tail gas can be accelerated through rotation of the suction fan blades, the automobile tail gas can be fully discharged, and the detection efficiency is improved. The first rotating shaft drives the cleaning brush to rotate, so that the filter screen can be cleaned, the blockage phenomenon of the filter screen is avoided, the device is convenient to disassemble and assemble, the filter screen, the cleaning brush, a catalyst and the like are convenient to replace, and the operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a data acquisition device for environmental protection detection equipment of a motor vehicle. Background Art

[0002] Motor vehicle exhaust is the exhaust gas emitted by vehicles powered by internal combustion engines during operation. Motor vehicle exhaust has become one of the main sources of urban air pollution. Its emission height is close to the human respiratory zone, and the particle diameter is less than 10 microns. It is easy to enter the respiratory tract and deposit in the alveoli, causing great harm to the human body. Automobile exhaust emissions are an important test item in automobile inspection.

[0003] At present, the existing detection devices usually discharge the exhaust gas directly after detecting the exhaust gas, which will cause pollution to the environment. If the exhaust gas in the detection device cannot be fully discharged, it will also affect the accuracy of subsequent detection results. For this reason, we have designed a data acquisition device for motor vehicle environmental protection detection equipment to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the problems existing in the prior art, and a data acquisition device for motor vehicle environmental protection detection equipment is proposed. The detector can detect the components of automobile exhaust and collect data, and can filter and purify the automobile exhaust and then discharge it to avoid pollution to the environment. The rotation of the suction fan blades can accelerate the discharge of automobile exhaust and enable the automobile exhaust to be fully discharged to avoid gas residue affecting the accuracy of subsequent detection. The first rotating shaft drives the cleaning brush to rotate, which can clean the filter and avoid clogging of the filter. The device is easy to disassemble and install, and then it is easy to replace the filter, cleaning brush, catalyst, etc., and the operation is simple.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A data acquisition device for motor vehicle environmental protection testing equipment comprises a shell, an end cover, an air inlet pipe, an air outlet pipe and a detector, the inner wall of the shell is fixedly connected to a partition, the detector is installed on the side wall of the partition and is located between the partition and the air inlet pipe, the partition is penetrated with a ventilation pipe, the shell is provided with a hollow mounting plate, a plurality of filter components are detachably connected to the mounting plate, a cleaning component is penetrated on the mounting plate and is used to clean the filter components against the filter components, a suction component driven by a driving motor is installed in the air outlet pipe, an end of the suction component is plugged into the cleaning component so that the cleaning component and the suction component rotate coaxially, and a purification component is sleeved on the suction component and is located between the mounting plate and the air outlet pipe.

[0007] Preferably, the inner side walls of the upper and lower ends of the shell are fixedly connected with limiting protrusions, the upper and lower ends of the side walls of the mounting plate are provided with grooves, and the two limiting protrusions extend into the corresponding grooves respectively.

[0008] Preferably, the filter assembly comprises a filter frame connected to the side wall of the mounting plate by screws, and a filter screen is installed through the filter frame.

[0009] Preferably, the cleaning assembly includes a first rotating shaft that passes through and is rotatably connected to the center of the mounting plate, one end of the first rotating shaft is connected to a cleaning brush that abuts against the filter screen by a screw, and a polygonal groove is formed on the side wall of the other end of the first rotating shaft.

[0010] Preferably, the air suction assembly includes a support plate fixedly connected to the air outlet pipe, the side wall of the support plate is rotatably connected to a second rotating shaft, the side wall of the second rotating shaft is sleeved with a suction fan blade that rotates coaxially therewith, the second rotating shaft is connected to the output shaft of the driving motor by a transmission belt, the end of the second rotating shaft is fixedly connected to a polygonal plug rod, the polygonal plug rod is inserted into the polygonal groove and adapted thereto.

[0011] Preferably, the purification assembly includes a purification box mounted on a second rotating shaft, the purification box consists of a box cover and a box body which are threadedly connected and both have vents, the purification box is filled with a catalyst, and the second rotating shaft is provided with two threaded sections, both of which are threadedly connected with internal threaded retaining rings which respectively abut against the side walls of the purification box at both ends.

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

[0013] 1. The data acquisition device of the motor vehicle environmental protection testing equipment can detect the components of automobile exhaust and collect data. The exhaust gas is filtered through the filter and discharged through the exhaust pipe after being catalyzed by the purification box to avoid pollution to the environment. The rotation of the suction fan blades can attract the automobile exhaust to the exhaust pipe, accelerate the discharge of automobile exhaust, so that the automobile exhaust can be fully discharged to avoid remaining in the device. The first rotating shaft drives the cleaning brush to rotate, which can clean the filter and avoid clogging of the filter.

[0014] 2. The data acquisition device for environmental protection testing equipment for motor vehicles is equipped with a data acquisition device. The end cover is removed, and the second rotating shaft drives the purification box and the mounting plate to be moved out of the shell. The first rotating shaft is pulled out from the second rotating shaft, and the mounting plate can be removed, so that the filter and the cleaning brush can be cleaned and replaced. The internal threaded retaining ring is unscrewed, and the purification box can be removed, so that the catalyst can be replaced. The replacement and installation operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a cross-sectional structural diagram of a data acquisition device for motor vehicle environmental protection detection equipment proposed by the utility model;

[0016] Figure 2 It is a schematic diagram of the connection between the partition, the detector, the mounting plate, and the purification component;

[0017] Figure 3 It is a schematic diagram of the connection between the partition, the detector, the mounting plate, the filter frame and the cleaning brush;

[0018] Figure 4 This is a schematic diagram of the main structure of a data acquisition device for environmental protection testing equipment for motor vehicles proposed by the utility model;

[0019] Figure 5 The utility model provides a schematic diagram of the side structure of a data acquisition device for environmental protection detection equipment of a motor vehicle.

[0020] In the figure: 1. shell; 2. end cover; 3. air inlet pipe; 4. air outlet pipe; 5. partition; 6. detector; 7. ventilation pipe; 8. mounting plate; 9. first rotating shaft; 10. filter frame; 11. cleaning brush; 12. limiting protrusion; 13. box cover; 14. box body; 15. polygonal plug rod; 16. internal thread retaining ring; 17. support plate; 18. second rotating shaft; 19. suction fan blade; 20. driving motor; 21. transmission belt. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-Figure 5 , a data acquisition device for environmental protection testing equipment of a motor vehicle, comprising a housing 1, an end cover 2, an air inlet pipe 3, an air outlet pipe 4 and a detector 6, the end cover 2 is respectively connected to the two ends of the housing 1 by screws, a plurality of supporting legs are arranged at the bottom of the housing 1, a partition 5 is fixedly connected to the inner wall of the housing 1, the detector 6 is installed on the side wall of the partition 5 and is located between the partition 5 and the air inlet pipe 3, when the device is running, the automobile exhaust enters the detector 6 along the air inlet pipe 3, the detector 6 detects the automobile exhaust components and collects data;

[0023] A vent pipe 7 is provided through the partition 5, and a hollow mounting plate 8 is provided in the housing 1, so that the exhaust gas of the automobile can pass through the mounting plate 8. The inner side walls of the upper and lower ends of the housing 1 are fixedly connected with limit protrusions 12, and the upper and lower ends of the side walls of the mounting plate 8 are provided with grooves. The two limit protrusions 12 extend into the corresponding grooves respectively, and the mounting plate 8 can be fixed in the housing 1, so that the mounting plate 8 cannot rotate in the housing 1;

[0024] A plurality of filter components are detachably connected to the mounting plate 8, and the filter components include a filter frame 10 connected to the side wall of the mounting plate 8 by screws, and a filter screen is installed through the filter frame 10, and the filter screen can filter large particles of impurities in the exhaust gas;

[0025] A cleaning assembly is installed through the mounting plate 8 and is against the filter assembly to clean the filter assembly. The cleaning assembly includes a first rotating shaft 9 that is connected to the center of the mounting plate 8 through rotation. One end of the first rotating shaft 9 is connected to a cleaning brush 11 that is against the filter screen through a screw. The cleaning brush 11 can clean the filter screen by rotating to avoid clogging of the filter screen. A polygonal groove is provided on the side wall of the other end of the first rotating shaft 9.

[0026] The exhaust pipe 4 is provided with an air suction assembly driven by a driving motor 20, and the end of the air suction assembly is plugged into the cleaning assembly so that the cleaning assembly and the air suction assembly rotate coaxially. The air suction assembly includes a support plate 17 fixedly connected to the exhaust pipe 4, and the side wall of the support plate 17 is rotatably connected to a second rotating shaft 18, and the side wall of the second rotating shaft 18 is sleeved with an air suction fan blade 19 that rotates coaxially therewith. The rotation of the air suction fan blade 19 can attract exhaust gas to the exhaust pipe 4, thereby accelerating the exhaust gas discharge of the automobile. The second rotating shaft 18 is connected to the output shaft of the driving motor 20 by a transmission belt 21, and the transmission belt 21 runs through the side wall of the exhaust pipe 4. Under the connection action of the transmission belt 21, the second rotating shaft 18 can rotate synchronously with the output shaft of the driving motor 20, and the end of the second rotating shaft 18 is fixedly connected to a polygonal plug rod 15, which is plugged into the polygonal groove and adapted thereto, so that when the second rotating shaft 18 rotates, it can drive the first rotating shaft 9 to rotate;

[0027] The air suction component is sleeved with a purification component located between the mounting plate 8 and the exhaust pipe 4, and the purification component includes a purification box sleeved on the second rotating shaft 18, and the purification box is composed of a box cover 13 and a box body 14 which are threadedly connected and both have air holes, so that the box cover 13 and the box body 14 can be easily closed and opened. The purification box is filled with a catalyst, which is a three-way catalyst and can purify automobile exhaust. Two threaded sections are provided on the second rotating shaft 18, and the two threaded sections are threadedly connected with internal threaded retaining rings 16 which are respectively abutted against the side walls of the purification box at both ends. The setting of the internal threaded retaining ring 16 can fix the purification box to prevent the purification box from sliding along the second rotating shaft 18.

[0028] The functional principle of the utility model can be explained through the following operation modes:

[0029] In the utility model, when the data acquisition device of the motor vehicle environmental protection detection equipment is working, the automobile exhaust enters the detector 6 along the intake pipe 3, the detector 6 detects the automobile exhaust components and collects data, the exhaust is filtered through the filter, and is discharged through the outlet pipe 4 after being purified by the purification box, the driving motor 20 drives the second rotating shaft 18 to rotate, and the suction fan blade 19 rotates to attract the automobile exhaust to the outlet pipe 4, accelerates the discharge of the automobile exhaust, and enables the automobile exhaust to be fully discharged, the polygonal plug rod 15 is plugged into the polygonal groove, so that the first rotating shaft 9 can drive the cleaning brush 11 to rotate, clean the filter, and avoid the filter from being blocked;

[0030] When the device needs to be disassembled, remove the end cover 2 and pull the end cover 2. The second rotating shaft 18 can drive the purification box and the mounting plate 8 to move out of the shell 1, so that the first rotating shaft 9 can be pulled out from the second rotating shaft 18, which is convenient for cleaning and replacing the filter screen and the cleaning brush 11. The internal threaded retaining ring 16 is unscrewed to remove the purification box, so that the box cover 13 can be opened to replace the catalyst. After the replacement is completed, the purification box is sleeved on the second rotating shaft 18 and fixed by two internal threaded retaining rings 16. The first rotating shaft 9 is inserted into the second rotating shaft 18 to move it into the shell 1 until the two limit protrusions 12 extend into the two grooves respectively. The end cover 2 is installed on the shell 1 to complete the replacement work.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A data acquisition device for environmental protection testing equipment of a motor vehicle, comprising a housing (1), an end cover (2), an air inlet pipe (3), an air outlet pipe (4) and a detector (6), characterized in that: A partition (5) is fixedly connected to the inner wall of the shell (1), the detector (6) is mounted on the side wall of the partition (5) and is located between the partition (5) and the air inlet pipe (3), the partition (5) is provided with a ventilation pipe (7) running through it, a hollow mounting plate (8) is provided in the shell (1), a plurality of filter components are detachably connected to the mounting plate (8), a cleaning component is installed through the mounting plate (8) and is abutted against the filter components to clean the filter components, a suction component driven by a drive motor (20) is installed in the air outlet pipe (4), an end of the suction component is plugged into the cleaning component so that the cleaning component and the suction component rotate coaxially, and a purification component is sleeved on the suction component and is located between the mounting plate (8) and the air outlet pipe (4).

2. A data acquisition device for motor vehicle environmental protection detection equipment according to claim 1, characterized in that: The inner side walls of the upper and lower ends of the housing (1) are fixedly connected to limiting protrusions (12), and the upper and lower ends of the side walls of the mounting plate (8) are provided with grooves, and the two limiting protrusions (12) extend into corresponding grooves respectively.

3. The data acquisition device for motor vehicle environmental protection detection equipment according to claim 1, characterized in that: The filter assembly comprises a filter frame (10) connected to the side wall of the mounting plate (8) by means of screws, and a filter screen is installed through the filter frame (10).

4. The data acquisition device for motor vehicle environmental protection detection equipment according to claim 3, characterized in that: The cleaning assembly comprises a first rotating shaft (9) which passes through and is rotatably connected to the center of the mounting plate (8); one end of the first rotating shaft (9) is connected to a cleaning brush (11) which abuts against the filter screen via a screw; and a polygonal groove is formed on the side wall of the other end of the first rotating shaft (9).

5. The data acquisition device for motor vehicle environmental protection detection equipment according to claim 4, characterized in that: The air suction assembly comprises a support plate (17) fixedly connected to the air outlet pipe (4); a second rotating shaft (18) is rotatably connected to the side wall of the support plate (17); a suction fan blade (19) is sleeved on the side wall of the second rotating shaft (18) and rotates coaxially therewith; the second rotating shaft (18) is connected to an output shaft of a driving motor (20) via a transmission belt (21); a polygonal plug rod (15) is fixedly connected to the end of the second rotating shaft (18); the polygonal plug rod (15) is plugged into and matched with the polygonal groove.

6. A data acquisition device for motor vehicle environmental protection detection equipment according to claim 5, characterized in that: The purification assembly comprises a purification box sleeved on a second rotating shaft (18), the purification box comprising a box cover (13) and a box body (14) which are threadedly connected and both have ventilation holes, the purification box is filled with a catalyst, the second rotating shaft (18) is provided with two threaded sections, and the two threaded sections are threadedly connected with internal threaded retaining rings (16) which respectively abut against the side walls of the purification box at both ends.

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