CN213684266U - Automobile exhaust analyzer with exhaust water removal device - Google Patents

Automobile exhaust analyzer with exhaust water removal device Download PDF

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Publication number
CN213684266U
CN213684266U CN202021991613.3U CN202021991613U CN213684266U CN 213684266 U CN213684266 U CN 213684266U CN 202021991613 U CN202021991613 U CN 202021991613U CN 213684266 U CN213684266 U CN 213684266U
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China
Prior art keywords
cavity
detection
exhaust gas
air inlet
inlet pipe
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CN202021991613.3U
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Chinese (zh)
Inventor
梁居壮
王小卿
周德华
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Haikou Anjie Automobile Testing Service Co ltd
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Haikou Anjie Automobile Testing Service Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

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Abstract

The utility model relates to an automobile exhaust analyzer with an exhaust dewatering device, which comprises an analyzer body, a detection box, an air inlet pipe, a filtering device, a clapboard and an exhaust pipe, wherein the detection box is arranged below the analyzer body, and a cavity is arranged in the detection box; one end of the air inlet pipe is communicated with the detection cavity, and the other end of the air inlet pipe is used for being connected with an automobile exhaust funnel; the filtering device is arranged on the air inlet pipe and is communicated with the air inlet pipe; the partition plate is arranged in the cavity of the detection box and divides the cavity into a detection cavity and a purification cavity, and the partition plate is provided with an air vent; the exhaust pipe is communicated with the purification cavity. Through the technical scheme, the problems of poor measurement precision and environmental pollution are solved.

Description

Automobile exhaust analyzer with exhaust water removal device
Technical Field
The utility model relates to a tail gas detection device indicates a take tail gas water trap's automobile exhaust analysis appearance especially.
Background
Automobile rowThe gas analyzer is used to detect the content indexes of various gas elements in the tail gas of automobile. The automobile exhaust analyzer uses non-light splitting infrared ray and electrochemical sensor to analyze main components CO, HC and CO in automobile exhaust2、NOXAnd O2The measurement analysis of (2). The method is developed, produced and verified according to the requirements of an ISO9001 quality assurance system and JJG688-90 verification regulations. In the development process, a plurality of environmental protection experts and suggestions of automobile production and maintenance manufacturers are adopted, and the method is completely suitable for environmental protection departments and automobile exhaust emission detection occasions such as vehicle maintenance, security inspection, road inspection and the like. The method has the characteristics of good stability, high measurement accuracy, long service life and the like. However, the probe of the existing widely-used exhaust gas analyzer is directly extended into the exhaust funnel for detection in the detection process, so that the detection is difficult, and the detection of the probe is interfered by water vapor due to the fact that the exhaust gas discharged by the automobile contains part of water vapor, so that the measurement accuracy is poor; in addition, the automobile exhaust is not subjected to evolution treatment after detection, so that the detected automobile exhaust is discharged into the atmosphere, the environment is polluted, and the requirements of people cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main objective lies in providing a take tail gas water trap's automobile exhaust analysis appearance to solve the poor, the polluted environment's of measurement accuracy that current tail gas measurement method exists problem.
For solving the technical problem, the utility model discloses the technical scheme who takes lies in:
the utility model provides a take tail gas water trap's automobile exhaust analysis appearance, includes:
an analyzer body;
the detection box is arranged below the analyzer body, and a cavity is formed in the detection box;
the partition plate is arranged in the cavity of the detection box and divides the cavity into a detection cavity and a purification cavity, and the partition plate is provided with an air vent;
one end of the air inlet pipe is communicated with the detection cavity, and the other end of the air inlet pipe is used for being connected with an automobile exhaust funnel;
the filtering device is arranged on the air inlet pipe and is communicated with the air inlet pipe;
and the exhaust pipe is communicated with the purification cavity.
As a further technical solution, the filtering apparatus includes:
the shell is a cylinder, is communicated with the air inlet pipe and is coaxial with the air inlet pipe;
the supporting net is a cylinder and is arranged in the shell;
the fixing layer is arranged on the outer side of the supporting net in a surrounding mode, and a gap is formed between the supporting net and the fixing layer;
a filter layer disposed within the gap.
As a further technical solution, the method further comprises:
a filter plate disposed in the detection chamber,
the side wall of the detection cavity is provided with a detection port, and the detection port is positioned between the filter plate and the partition plate.
As a further technical scheme, a first mounting groove is formed in the side wall of the detection cavity in a surrounding mode, and the filter plate is slidably inserted into the first mounting groove.
As a further technical solution, the method further comprises:
the purification plates are arranged in the purification cavity along the gas flowing direction.
As a further technical scheme, a plurality of second mounting grooves are formed in the side wall of the purification cavity in a surrounding mode, and the purification plate is slidably inserted into the second mounting grooves.
As a further technical solution, the method further comprises:
the separation blade, the separation blade sets up the baffle is located the side in purifying the chamber, the separation blade covers on the air vent, and one end is fixed on the baffle, the other end is followed detect the gaseous inflow in the intracavity purify the chamber and open.
The utility model has the advantages that:
the utility model discloses simple structure discharges automobile exhaust earlier through the blast pipe to detecting the intracavity and carry out dewatering drying process to it, detects again, discharges after detecting the completion and purifies in purifying the intracavity and discharge to the atmosphere again, reasonable in design, labour saving and time saving increases and detects the precision, avoids environmental pollution.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of another embodiment of the present invention;
fig. 4 is a schematic perspective view of the baffle of the present invention.
Description of the reference numerals
1. The analyzer body, 2, detection case, 3, intake pipe, 4, filter equipment, 41, casing, 42, supporting network, 43, fixed layer, 44, filter layer, 5, baffle, 6, detect the chamber, 7, purify the chamber, 8, the blow vent, 9, the blast pipe, 10, the filter, 11, detect the mouth, 12, first mounting groove, 13, the purifying plate, 14, the second mounting groove, 15, the separation blade, 16, the fixed axle, 17, the connecting rod, 18, the connecting plate.
Detailed Description
The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1-4, the utility model provides a take tail gas water trap's automobile exhaust analysis appearance, include: the analyzer comprises an analyzer body 1, a detection box 2, an air inlet pipe 3, a filtering device 4, a partition plate 5, an exhaust pipe 9, a filtering plate 10, a purifying plate 13 and a blocking piece 15.
The detection box 2 is arranged below the analyzer body 1, a cavity is arranged in the detection box 2, the partition plate 5 is arranged in the cavity of the detection box 2 and divides the cavity into a detection cavity 6 and a purification cavity 7, one end of the air inlet pipe 3 is communicated with the detection cavity 6, and the other end of the air inlet pipe is connected with an automobile exhaust funnel; the filtering device 4 comprises a casing 41, a supporting net 42, a fixing layer 43 and a filtering layer 44, wherein the casing 41 is a cylinder, the communicating part is arranged on the air inlet pipe 3 and is coaxial with the air inlet pipe 3, the supporting net 42 is a cylinder and is arranged in the casing 41, the fixing layer 43 surrounds the outer side of the supporting net 42, a gap is arranged between the supporting net 42 and the fixing layer 43, and the filtering layer 44 is arranged in the gap.
The side wall of the detection cavity 6 is provided with a first mounting groove 12 in a surrounding manner, and the filter plate 10 is slidably inserted into the first mounting groove 12. The side wall of the detection cavity 6 is provided with a detection port 11, and the detection port 11 is positioned between the filter plate 10 and the partition plate 5. The side wall of the purifying cavity 7 is provided with a plurality of second mounting grooves 14 in a surrounding manner, and the plurality of purifying plates 13 are respectively inserted into the plurality of second mounting grooves 14 in a sliding manner along the gas flowing direction. The exhaust pipe 9 communicates with the purge chamber 7.
Be provided with blow vent 8 on baffle 5, and the central axis of blow vent 8 is not the collineation with the central axis of intake pipe 3, and blow vent 8 sets up with the air inlet dislocation promptly, avoids gaseous direct discharge through blow vent 8 after getting into from the air inlet, guarantees to detect the reservation of the interior gas of chamber 6 to guarantee to detect the precision. The baffle plate 5 is provided with a baffle plate 15 on the side surface of the purification cavity 7, the baffle plate 15 covers the vent hole 8, the baffle plate 15 is square, one side of the baffle plate is fixed on the baffle plate 5, and the other three sides of the baffle plate are freely arranged and are opened along with the gas in the detection cavity 6 flowing into the purification cavity 7. The filter layer and the filter plate are internally provided with dewatering and drying materials such as drying agents or quicklime and the like, and the purification plate is internally provided with materials which react with harmful gases.
This embodiment is in the testing process, at first stretch into the detection chamber 6 and keep sealed from detecting mouthful 11 with the probe of analysis appearance, be connected the one end and the aiutage of intake pipe 3, tail gas carries out preliminary absorption to the vapor in the tail gas through filter layer 44 of filter equipment 4 when flowing in intake pipe 3, tail gas passes through filter layer 44 after getting into in the detection chamber 6 through intake pipe 3, filter layer 44 carries out further absorption to remaining vapor in the tail gas, then the probe of analysis appearance detects and analyzes the tail gas in the detection chamber 6, and make tail gas constantly follow vent 8 and get into in the purification chamber 7, and absorb the purification through the harmful gas in a plurality of purifying plate 13 to the tail gas, arrange to the atmosphere through blast pipe 9 again. The influence of the water vapor on the detection effect of the analyzer probe is avoided, the detection precision is ensured, and meanwhile, the environmental pollution is avoided. The filter 10 is dismantled through first mounting groove 12 and is set up in detecting chamber 6, is favorable to realizing the replacement of filter 10, guarantees the filter effect. The purification plate 13 is detached through the second mounting groove 14 and arranged in the purification cavity 7, so that the purification plate 13 can be replaced conveniently, and the purification effect is ensured. The filter device 4 comprises the support net 42 and the fixing layer 43, and the filter layer 44 is arranged between the support net 42 and the fixing layer 43, so that the filter layer 44 is fixed conveniently, the filter layer 44 is replaced conveniently, and time and labor are saved.
The setting of separation blade 15 is favorable to avoiding purifying the gaseous refluence in the chamber 7 to detecting in the chamber 6, and gaseous follow promptly detect chamber 6 and flow in during purifying chamber 7, gaseous one end that promotes separation blade 15 and is in the open mode to realize gaseous circulation, when the gaseous in the chamber 7 that purifies flows to detecting in the chamber 6, each limit of separation blade 15 is restricted by baffle 5 that is located near blow vent 8, thereby is in the closure state, therefore gaseous one-way flow has been guaranteed in the setting of separation blade 15, and it is reasonable to set up, guarantees measurement accuracy.
In addition, the filtering device 4 may further include a fixed shaft 16, two ends of the fixed shaft 16 are fixed on the side wall of the housing 41 through the connecting rods 17, the supporting net 42 is rotatably disposed on the fixed shaft 16 through the plurality of connecting plates 18, the plurality of connecting plates 18 are all disposed in an inclined manner along one direction, that is, arranged like a fan blade, when the tail gas enters from one end of the gas inlet pipe 3, the impulse force of the gas acts on the inclined surface of the connecting plates 18 to push the connecting plates 18 to rotate, so that the supporting net 42, the filtering layer 44 and the fixed layer 43 rotate in the housing 41, the water vapor is in more sufficient contact with the filtering layer 44, and the filtering effect is enhanced.
The foregoing description is only of the preferred embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Claims (7)

1. The utility model provides a take tail gas water trap's automobile exhaust analysis appearance which characterized in that includes:
an analyzer body (1);
the detection box (2) is arranged below the analyzer body (1), and a cavity is arranged in the detection box (2);
the detection box comprises a baffle plate (5), wherein the baffle plate (5) is arranged in a cavity of the detection box (2) and divides the cavity into a detection cavity (6) and a purification cavity (7), and a vent hole (8) is formed in the baffle plate (5);
one end of the air inlet pipe (3) is communicated with the detection cavity (6), and the other end of the air inlet pipe (3) is connected with an automobile exhaust funnel;
the filtering device (4) is arranged on the air inlet pipe (3) and communicated with the air inlet pipe (3);
an exhaust pipe (9), the exhaust pipe (9) being communicated with the purification chamber (7).
2. The automobile exhaust gas analyzer with an exhaust gas water removal device according to claim 1, wherein the filtering device (4) comprises:
the shell (41) is a cylinder, is communicated with the air inlet pipe (3), and is coaxial with the air inlet pipe (3);
a support net (42), the support net (42) being cylindrical and disposed within the housing (41);
the fixing layer (43) is arranged on the outer side of the supporting net (42) in a surrounding mode, and a gap is formed between the supporting net (42) and the fixing layer (43);
a filter layer (44), the filter layer (44) disposed within the gap.
3. The automobile exhaust gas analyzer with an exhaust gas water removal device according to claim 1, further comprising:
a filter plate (10), the filter plate (10) being arranged in the detection chamber (6),
the side wall of the detection cavity (6) is provided with a detection port (11), and the detection port (11) is positioned between the filter plate (10) and the partition plate (5).
4. The automobile exhaust gas analyzer with the exhaust gas dewatering device according to claim 3, characterized in that a first mounting groove (12) is formed around the side wall of the detection chamber (6), and the filter plate (10) is slidably inserted into the first mounting groove (12).
5. The automobile exhaust gas analyzer with an exhaust gas water removal device according to claim 1, further comprising:
the purification plates (13), the purification plates (13) are a plurality of and are arranged in the purification cavity (7) along the gas flowing direction.
6. The automobile exhaust gas analyzer with the exhaust gas water removal device of claim 5, wherein a plurality of second mounting grooves (14) are formed around the side wall of the purifying cavity (7), and the purifying plate (13) is slidably inserted into the second mounting grooves (14).
7. The automobile exhaust gas analyzer with an exhaust gas water removal device according to claim 1, further comprising:
separation blade (15), separation blade (15) set up baffle (5) are located the side of purifying chamber (7), separation blade (15) cover on air vent (8), and one end is fixed on baffle (5), the other end is followed detect the gaseous inflow in chamber (6) purify chamber (7) and open.
CN202021991613.3U 2020-09-11 2020-09-11 Automobile exhaust analyzer with exhaust water removal device Active CN213684266U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021991613.3U CN213684266U (en) 2020-09-11 2020-09-11 Automobile exhaust analyzer with exhaust water removal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021991613.3U CN213684266U (en) 2020-09-11 2020-09-11 Automobile exhaust analyzer with exhaust water removal device

Publications (1)

Publication Number Publication Date
CN213684266U true CN213684266U (en) 2021-07-13

Family

ID=76747376

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021991613.3U Active CN213684266U (en) 2020-09-11 2020-09-11 Automobile exhaust analyzer with exhaust water removal device

Country Status (1)

Country Link
CN (1) CN213684266U (en)

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