CN102778536A - Trolley type tail gas carbon dioxide discharge amount detector for automobile and detection method thereof - Google Patents
Trolley type tail gas carbon dioxide discharge amount detector for automobile and detection method thereof Download PDFInfo
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- CN102778536A CN102778536A CN2012101777530A CN201210177753A CN102778536A CN 102778536 A CN102778536 A CN 102778536A CN 2012101777530 A CN2012101777530 A CN 2012101777530A CN 201210177753 A CN201210177753 A CN 201210177753A CN 102778536 A CN102778536 A CN 102778536A
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Abstract
The invention discloses a trolley type tail gas carbon dioxide discharge amount detector for an automobile and a detection method thereof. The detector comprises an exhaust pipe interface, a detection pipe, an exhaust flow device, a temperature sensor, a carbon dioxide sensor, a detection instrument, a storage battery and a trolley. Under the condition that the automobile is stopped and an engine is started up, the detector is pressed against an exhaust pipe outlet formed behind the bottom of the automobile, and the discharge amount of carbon dioxide (CO2) in automobile tail gas is detected through the exhaust flow device and a gas-sensitive element in the detector; the detector has the characteristics of high accuracy, high resolution, large measuring range, small size, high maneuverability, easiness and convenience for operating and capability of displaying data in real time, and new apparatus equipment is provided for acquisition and analysis of data of automobile tail gas influencing the environment.
Description
Technical field
The present invention relates to a kind of instrument that detects CO2 emissions in the vehicle exhaust, a kind of specifically cart type vehicle exhaust CO2 emissions detecting device and detection method thereof.
Background technology
At present, detect the CO2 emissions in the vehicle exhaust, arrive special Automobile Detection place and detect.And the portable carbon dioxide detector on the market; Can only detect the content of carbon dioxide in air; Can not detect automobile exhaust pipe and discharge the carbon dioxide content in the tail gas amount, so existing instrument and equipment is not easy to gather and analyze the data of vehicle exhaust to environmental impact.
Summary of the invention
To the existing deficiency that detects CO2 emissions equipment in the vehicle exhaust, the present invention proposes a kind of cart type vehicle exhaust CO2 emissions detecting device, and it can flexibly detect emission amount of carbon dioxide in the various types of automobiles tail gas in the different location.
Technical solution problem of the present invention adopts following technical scheme:
Cart type vehicle exhaust CO2 emissions detecting device; It is characterized in that: include trolley, detector, accumulator, carbon dioxide sensor, temperature sensor, exhaust stream measuring device, described accumulator is the detector power supply, and carbon dioxide sensor, temperature sensor, exhaust stream measuring device all are electrically connected with detector; Described trolley is provided with a base; Base is provided with casing, and the centre position of interior is provided with dividing plate, and the both sides that are positioned at the dividing plate of casing are placed with accumulator and detector respectively; Vertically going up of casing end face is fixed with lifter, leveller, detector tube successively, and there are accumulator door and detector door in the side of casing; Described detector tube has exhaust port joint, corrugated tube, sensor segments, exhaust stream measuring device, gas outlet section successively along tube's axis, also has been provided with air level in the middle of the end face of detector tube; There is sensor box described sensor segments side, and sensor box is built-in with carbon dioxide sensor, temperature sensor; Described exhaust stream measuring device has preceding diversion section, impeller, impeller frame, back diversion section successively along central axial direction; There is streamlined round fair water cone at described impeller center; Center fixation in the fair water cone has wheel shaft, studs with the circular magnet circle in fair water cone the brim of a hat inboard, and equidistance is equipped with several pieces wheel blades in the fair water cone the brim of a hat outside; Every wheel blade and central axis are anticlockwise α angle; Wheel shaft slides and to place in the axle sleeve at impeller frame center, described magnet circle radially be S, the N utmost point, equidistance is equipped with several magneto sensors outside the described axle sleeve; Diversion section is streamlined with the madial wall of back diversion section along central axial direction before described, the water conservancy diversion leaf that is clockwise deflection angle that on preceding diversion section madial wall, has several to be equally spaced.
Described base is a rectangle.
Tube wall upper edge tube axis direction in the described sensor box has two penetrating circular holes, is mounted with carbon dioxide sensor seat, block temperature sensor in the circular hole respectively, is mounted with carbon dioxide sensor, temperature sensor respectively in the seat separately.
The madial wall of described magneto sensor and magnet circle has the gap of 1 ㎜.
The detection method of cart type vehicle exhaust CO2 emissions detecting device is characterized in that, may further comprise the steps:
(1) parking of automobile to be detected and starting engine open to throttle the size of setting;
(2) be pushed into gas outlet place rearmounted at the bottom of the automobile interior to be detected to cart type vehicle exhaust CO2 emissions detecting device; Select the exhaust port that matches with the automobile exhaust pipe specification, and the exhaust port joint of this exhaust port with the detector tube of cart type vehicle exhaust CO2 emissions detecting device is connected;
(3) according to the height and the angle of automobile exhaust pipe, adjust height, the angle of bend of corrugated tube and the levelness of leveller of lifter, exhaust port is butted on the mouth of pipe of automobile exhaust pipe;
(4) detector of operation cart type vehicle exhaust CO2 emissions detecting device is measured flow, temperature and the carbon dioxide content of car discharging tail gas to be detected;
(5) last, push away automobile to be detected to cart type vehicle exhaust CO2 emissions detecting device.
Cart type vehicle exhaust CO2 emissions detecting device is based on following principle of work among the present invention:
The principle of work of vehicle exhaust flow detection: according to aerodynamic principle, in the pipeline of constant gas amount, the little place of section overcurrent wind speed is bigger than section general goal.So the flow section that is employed in the impeller place is littler than the sensor segments of its both sides and gas outlet section flow section; And be provided with fairshaped before diversion section with the back baffle liner; Reduce resistance as much as possible; Can make like this to act on blast bigger on the wheel blade and promote wheel rotation, to improve the accuracy of detection of exhaust flow.In order to adapt to materials such as containing greasy dirt, moisture in the vehicle exhaust; Adopt magneto sensor to come sensing exhaust flow signal; Be specially in the fair water cone the brim of a hat inboard of impeller and stud with the circular magnet circle; The magnet circle radially be S, the N utmost point, equidistance is equipped with several magneto sensors in the axle sleeve at the impeller frame center outside, those magneto sensors and magnet circle madial wall have the gap of 1 ㎜.When the air-flow of vehicle exhaust promoted wheel rotation, the magnet circle switching on the impeller acted on the magnetic line of force on those magneto sensors, to record the magneto sensor output signal frequency, just can record the flow that automobile exhaust pipe is discharged tail gas.
The principle of work that CO2 emissions detect in the vehicle exhaust: in the sensor segments of detector tube, settled carbon dioxide sensor and temperature sensor; Detect the content of the carbon dioxide in the vehicle exhaust by carbon dioxide sensor; Detect the temperature of vehicle exhaust by temperature sensor, to revise since the variation of exhaust temperature to the influence of measuring accuracy.Automobile when recording motor vehicle emission exhaust flow Q (L/min), records the content P (ppm) of carbon dioxide in the tail gas under the situation of setting the throttle oil supply, promptly recorded emission amount of carbon dioxide C (C=P/Q) in the vehicle exhaust.
Compared with present technology, beneficial effect of the present invention is embodied in:
A kind of cart type vehicle exhaust CO2 emissions detecting device that the present invention proposes; It can flexibly detect emission amount of carbon dioxide in the various types of automobiles tail gas in the different location; Not only improved the condition that detects; And improved the ageing and accuracy that detects data; Have precision height, good resolution, range is big, in light weight, volume is little, cost is low, maneuverability is good, adaptability is strong, easy and simple to handle, the characteristics of video data in real time, for gathering and the data of analyzing CO2 emissions in the vehicle exhaust, new instrument and equipment is provided.
Description of drawings
Figure 1A is the positive cross-sectional schematic of hand propelled vehicle exhaust CO2 emissions detecting device of the present invention.
Figure 1B looks synoptic diagram for the left side of hand propelled vehicle exhaust CO2 emissions detecting device of the present invention.
Fig. 1 C is the schematic top plan view of hand propelled vehicle exhaust CO2 emissions detecting device of the present invention.
Fig. 2 A is the positive cross-sectional schematic of detecting device of the present invention.
Fig. 2 B is the cross-sectional schematic of bowing of detecting device of the present invention.
Fig. 2 C looks synoptic diagram for the left side of detecting device of the present invention.
Fig. 3 A is the positive cross-sectional schematic of exhaust stream measuring device of the present invention.
Fig. 3 B is the left side cross-sectional schematic of exhaust stream measuring device of the present invention.
Fig. 3 C looks synoptic diagram for the right side of exhaust stream measuring device of the present invention.
Fig. 4 is a hand propelled vehicle exhaust CO2 emissions sensors work front elevational schematic of the present invention.
Label among the figure:
1 automobile to be detected, 2 gas outlets, 3 exhaust ports; 11 cart type vehicle exhaust CO2 emissions detecting devices, 12 bases, 13 casings, 14 dividing plates, 15 lifters, 16 levellers, 17 accumulators, 18 detectors, 19 accumulator doors, 20 detector doors, 21 trolleys; 31 detector tubes, 32 exhaust port joints, 33 corrugated tubes, 34 sensor segments, 35 gas outlet sections, 36 air levels, 37 sensor boxes, 38 carbon dioxide sensors, 39 temperature sensors; Diversion section, 43 impellers, 44 impeller framves, 45 back diversion sections, 46 water conservancy diversion leaves, 47 fair water cones, 48 wheel blades, 49 wheel shafts, 50 axle sleeve, 51 magnet circles, 52 magneto sensors before the 41 exhaust stream measuring devices, 42.
Embodiment
Embodiment:
Referring to Figure 1A, Figure 1B, Fig. 1 C; Cart type vehicle exhaust CO2 emissions detecting device; Include trolley 21, detector 18, accumulator 17, carbon dioxide sensor 38, temperature sensor 39, exhaust stream measuring device 41, accumulator 17 is detector 18 power supplies, and carbon dioxide sensor 38, temperature sensor 39, exhaust stream measuring device 41 all are electrically connected with detector 18; Trolley 21 is provided with a rectangle base 12; Base 12 is provided with casing 13, and casing 13 inner centre positions are provided with dividing plate 14, and the both sides that are positioned at the dividing plate 14 of casing 13 are placed with accumulator 17 and detector 18 respectively; Vertically going up of casing 13 end faces is fixed with lifter 15, leveller 16, detector tube 31 successively, and there are accumulator door 19 and detector door 20 in the side of casing 13; Referring to Fig. 2 A, Fig. 2 B and Fig. 2 C, detector tube 31 has exhaust port joint 32, corrugated tube 33, sensor segments 34, exhaust stream measuring device 41, gas outlet section 35 successively along tube's axis, also has been provided with air level 36 in the middle of the end face of detector tube 31; There is sensor box 37 sensor segments 34 sides; Tube wall upper edge tube axis direction in the sensor box 37 has two penetrating circular holes; Be mounted with carbon dioxide sensor seat, block temperature sensor in the circular hole respectively, be mounted with carbon dioxide sensor 38, temperature sensor 39 respectively in the seat separately; Referring to Fig. 3 A and Fig. 3 B; Exhaust stream measuring device 41 has preceding diversion section 42, impeller 43, impeller frame 44, back diversion section 45 successively along central axial direction; There is streamlined round fair water cone 47 at impeller 43 centers, and the center fixation in the fair water cone 47 has wheel shaft 49, studs with circular magnet circle 51 in fair water cone 47 the brim of a hat inboards; Equidistance is equipped with several pieces wheel blades 48 in fair water cone 47 thes brim of a hat outside; Every wheel blade 48 is anticlockwise α angle with central axis, and wheel shaft 49 slides and places in the axle sleeve 50 at impeller frame 44 centers, magnet circle 51 radially be S, the N utmost point; Axle sleeve 50 outside equidistance are equipped with several magneto sensors 52; The madial wall of these magneto sensors 52 and magnet circle 51 has the gap of 1 ㎜, and preceding diversion section 42 is streamlined with the madial wall of back diversion section 45 along central axial direction, the water conservancy diversion leaf 46 that is clockwise deflection angle that on preceding diversion section 42 madial walls, has several to be equally spaced.
Referring to Fig. 4, the detection method of cart type vehicle exhaust CO2 emissions detecting device may further comprise the steps:
(1) automobile 1 to be detected stops and starting engine, opens to throttle the size of setting;
(2) be pushed into gas outlet 2 places rearmounted at the bottom of automobile 1 car to be detected to cart type vehicle exhaust CO2 emissions detecting device 11; Select the exhaust port 3 that matches with automobile exhaust pipe 2 specifications, and the exhaust port joint 32 of this exhaust port 3 with the detector tube 31 of cart type vehicle exhaust CO2 emissions detecting device 11 is connected;
(3) according to the height and the angle of automobile exhaust pipe 2, adjust height, the angle of bend of corrugated tube 33 and the levelness of leveller 16 of lifter 15, exhaust port is butted on the mouth of pipe of automobile exhaust pipe;
(4) detector 18 of operation cart type vehicle exhaust CO2 emissions detecting device 11 is measured flow, temperature and carbon dioxide content that automobile 1 to be detected is discharged tail gas;
(5) last, push away automobile to be detected 1 to cart type vehicle exhaust CO2 emissions detecting device 11.
Exhaust port 3 has the plurality of specifications model, to adapt to the diameter and the type of dissimilar automobile 1 gas outlets.During detection; Press the type of automobile 1 gas outlet 2; Select the exhaust port 3 that adapts for use, be installed on the detector tube 31 of cart type vehicle exhaust CO2 emissions detecting device 11, do not leak tail gas or do not get into outside air in automobile 1 gas outlet 2 exits guaranteeing.
Automobile 1 to be detected is the object that detects CO2 emissions; Gas outlet 2 is parts that automobile 1 is discharged tail gas; The effect of exhaust port 3 is to let cart type vehicle exhaust CO2 emissions detecting device 11 can detect the tail gas of different tube diameters gas outlet 2 discharges of dissimilar automobiles 1; The effect of cart type vehicle exhaust CO2 emissions detecting device 11 is to detect emission amount of carbon dioxide in automobile 1 tail gas; The effect of base 12 is to be installed on trolley 21, settles dividing plate 14, casing 13, and lays accumulator 17, detector 18; The effect of casing 13 is protection accumulator 17, detector 18, and settles lifter 15, leveller 16, detector tube 31, accumulator door 19, detector door 20; The effect of dividing plate 14 is that accumulator 17 and detector 18 are separated; The effect of lifter 15 is height of regulating 31 detector tubes; The effect of leveller 16 is that adjustment detector tube 31 is horizontality; The effect of accumulator 17 is for cart type vehicle exhaust CO2 emissions detecting device 11 power supply to be provided; The effect of detector 18 is control, collection, demonstration, stores the data that detected; The effect of accumulator door 19 is to be convenient to load and unload accumulator 17; The effect of detector door 20 is to settle, protect detector 18; The effect of trolley 21 is to move cart type vehicle exhaust CO2 emissions detecting device 11 to carry out the detection of CO2 emissions in automobile 1 tail gas; The effect of detector tube 31 is to detect the exhaust flow of automobile 1 and the content of carbon dioxide thereof; The effect of exhaust port joint 32 is the joints that connect exhaust port 2; The effect of corrugated tube 33 is angles of being convenient to adjust exhaust port joint 32, so that detect the tail gas that dissimilar automobile 1 different angles declivity gas outlets 2 are discharged; The effect of sensor segments 34 is to settle carbon dioxide sensor 38 and temperature sensor 39, forms and detects the space; The effect of gas outlet section 35 is advection, the tail gas of discharging automobile 1 to be detected and windproof; The effect of air level 36 is that adjustment detector tube 31 is for horizontally disposed with reference to device; The effect of sensor box 37 is protection sensors, settles circuit board; The effect of carbon dioxide sensor 38 is the content of the carbon dioxide in the measured automobiles tail gas; The effect of temperature sensor 39 is temperature of measured automobiles tail gas; The effect of exhaust stream measuring device 41 is flows of measured automobiles 1 tail gas; The effect of preceding diversion section 42 is to reduce resistance, lets the vehicle exhaust smoothness arrive impeller 43; The effect of impeller 43 is under vehicle exhaust promotes, to produce rotation, intends mechanical signal and transfers electric signal to; The effect of impeller frame 44 is that fast pulley axle sleeve 50 is in detector tube 31; The effect of back diversion section 45 is to reduce the vehicle exhaust resistance, the clear and coherent gas outlet section 35 that arrives; The effect of water conservancy diversion leaf 46 is that the tail gas that lets automobile 1 discharge is 43 rotations of clockwise angle deflection promotion impeller; The effect of fair water cone 47 is to make vehicle exhaust smooth-going through impeller 43, and settles wheel blade 48, wheel shaft 49 and magnet circle 51; The effect of wheel blade 48 is that impeller 43 is rotated; The effect of wheel shaft 49 is to slide to settle impeller 43 in axle sleeve 50; The effect of axle sleeve 50 is the movable wheel shafts 49 of settling; The effect of magnet circle 51 is signal sources of magneto sensor 52; The effect of magneto sensor 52 is to transfer out transducing signal.
The performance of cart type vehicle exhaust CO2 emissions detecting device
1. detected gas: carbon dioxide (CO2);
2. accuracy of detection: ± 1ppm;
3. detection range: 10ppm～1000ppm;
4. extraction flow: 0～200L/min.
Claims (5)
1. cart type vehicle exhaust CO2 emissions detecting device; It is characterized in that: include trolley, detector, accumulator, carbon dioxide sensor, temperature sensor, exhaust stream measuring device; Described accumulator is the detector power supply; Carbon dioxide sensor, temperature sensor, exhaust stream measuring device all are electrically connected with detector, and described trolley is provided with a base, and base is provided with casing; The centre position of interior is provided with dividing plate; The both sides that are positioned at the dividing plate of casing are placed with accumulator and detector respectively, and vertically going up of casing end face is fixed with lifter, leveller, detector tube successively, and there are accumulator door and detector door in the side of casing; Described detector tube has exhaust port joint, corrugated tube, sensor segments, exhaust stream measuring device, gas outlet section successively along tube's axis, also has been provided with air level in the middle of the end face of detector tube; There is sensor box described sensor segments side, and sensor box is built-in with carbon dioxide sensor, temperature sensor; Described exhaust stream measuring device has preceding diversion section, impeller, impeller frame, back diversion section successively along central axial direction; There is streamlined round fair water cone at described impeller center; Center fixation in the fair water cone has wheel shaft, studs with the circular magnet circle in fair water cone the brim of a hat inboard, and equidistance is equipped with several pieces wheel blades in the fair water cone the brim of a hat outside; Every wheel blade and central axis are anticlockwise α angle; Wheel shaft slides and to place in the axle sleeve at impeller frame center, described magnet circle radially be S, the N utmost point, equidistance is equipped with several magneto sensors outside the described axle sleeve; Diversion section is streamlined with the madial wall of back diversion section along central axial direction before described, the water conservancy diversion leaf that is clockwise deflection angle that on preceding diversion section madial wall, has several to be equally spaced.
2. cart type vehicle exhaust CO2 emissions detecting device according to claim 1, it is characterized in that: described base is a rectangle.
3. cart type vehicle exhaust CO2 emissions detecting device according to claim 1; It is characterized in that: the tube wall upper edge tube axis direction in the described sensor box has two penetrating circular holes; Be mounted with carbon dioxide sensor seat, block temperature sensor in the circular hole respectively, be mounted with carbon dioxide sensor, temperature sensor respectively in the seat separately.
4. cart type vehicle exhaust CO2 emissions detecting device according to claim 1 is characterized in that: the madial wall of described magneto sensor and magnet circle has the gap of 1 ㎜.
5. the detection method of a cart type vehicle exhaust CO2 emissions detecting device is characterized in that, may further comprise the steps:
(1) parking of automobile to be detected and starting engine open to throttle the size of setting;
(2) be pushed into gas outlet place rearmounted at the bottom of the automobile interior to be detected to cart type vehicle exhaust CO2 emissions detecting device; Select the exhaust port that matches with the automobile exhaust pipe specification, and the exhaust port joint of this exhaust port with the detector tube of cart type vehicle exhaust CO2 emissions detecting device is connected;
(3) according to the height and the angle of automobile exhaust pipe, adjust height, the angle of bend of corrugated tube and the levelness of leveller of lifter, exhaust port is butted on the mouth of pipe of automobile exhaust pipe;
(4) detector of operation cart type vehicle exhaust CO2 emissions detecting device is measured flow, temperature and the carbon dioxide content of car discharging tail gas to be detected;
(5) last, push away automobile to be detected to cart type vehicle exhaust CO2 emissions detecting device.
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| CN201210177753.0A CN102778536B (en) | 2012-05-31 | 2012-05-31 | Trolley type tail gas carbon dioxide discharge amount detector for automobile and detection method thereof |
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| CN201210177753.0A CN102778536B (en) | 2012-05-31 | 2012-05-31 | Trolley type tail gas carbon dioxide discharge amount detector for automobile and detection method thereof |
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| CN102778536B CN102778536B (en) | 2014-11-26 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008087A (en) * | 2017-12-28 | 2018-05-08 | 北京理工大学 | The system and method for CO2 emissions in motor-driven monitoring vehicle exhaust |
| CN110351912A (en) * | 2018-04-02 | 2019-10-18 | 佛山市顺德区美的电热电器制造有限公司 | Anti-overflow device and cooking apparatus |
| CN110338654A (en) * | 2018-04-02 | 2019-10-18 | 佛山市顺德区美的电热电器制造有限公司 | Anti-overflow device and cooking apparatus |
| CN112229950A (en) * | 2020-09-29 | 2021-01-15 | 广西梦科智联信息技术有限公司 | Formula that flows car detection device |
| CN112627954A (en) * | 2020-11-03 | 2021-04-09 | 台州科技职业学院 | Automatic detection device for automobile exhaust |
| CN115128221A (en) * | 2022-09-02 | 2022-09-30 | 运易通科技有限公司 | Carbon emission continuous detection device of remote transportation equipment and detection method thereof |
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| CN108008087A (en) * | 2017-12-28 | 2018-05-08 | 北京理工大学 | The system and method for CO2 emissions in motor-driven monitoring vehicle exhaust |
| CN110351912A (en) * | 2018-04-02 | 2019-10-18 | 佛山市顺德区美的电热电器制造有限公司 | Anti-overflow device and cooking apparatus |
| CN110338654A (en) * | 2018-04-02 | 2019-10-18 | 佛山市顺德区美的电热电器制造有限公司 | Anti-overflow device and cooking apparatus |
| CN110338654B (en) * | 2018-04-02 | 2021-06-15 | 佛山市顺德区美的电热电器制造有限公司 | Anti-overflow device and cooking utensil |
| CN110351912B (en) * | 2018-04-02 | 2022-03-01 | 佛山市顺德区美的电热电器制造有限公司 | Anti-overflow device and cooking utensil |
| CN112229950A (en) * | 2020-09-29 | 2021-01-15 | 广西梦科智联信息技术有限公司 | Formula that flows car detection device |
| CN112627954A (en) * | 2020-11-03 | 2021-04-09 | 台州科技职业学院 | Automatic detection device for automobile exhaust |
| CN112627954B (en) * | 2020-11-03 | 2021-10-15 | 台州科技职业学院 | Automatic detection device for automobile exhaust |
| CN115128221A (en) * | 2022-09-02 | 2022-09-30 | 运易通科技有限公司 | Carbon emission continuous detection device of remote transportation equipment and detection method thereof |
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| CN102778536B (en) | 2014-11-26 |
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