CN102778536B - 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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- CN102778536B CN102778536B CN201210177753.0A CN201210177753A CN102778536B CN 102778536 B CN102778536 B CN 102778536B CN 201210177753 A CN201210177753 A CN 201210177753A CN 102778536 B CN102778536 B CN 102778536B
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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 vehicle exhaust, specifically a kind of cart type vehicle exhaust CO2 emissions detecting device and detection method thereof.
Background technology
At present, detect the CO2 emissions in vehicle exhaust, arrive special automobile detection site and detect.And portable carbon dioxide detector on market, can only detect the content of airborne carbon dioxide, can not detect automobile exhaust pipe and discharge the carbon dioxide content in tail gas amount, so existing instrument and equipment is not easy to gather and analyzes the data of vehicle exhaust to environmental impact.
Summary of the invention
For the deficiency of CO2 emissions equipment in existing detection vehicle exhaust, the present invention proposes a kind of cart type vehicle exhaust CO2 emissions detecting device, and it can flexibly detect in different location the discharge capacity of carbon dioxide in various types of automobiles tail gas.
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 detector power supply, carbon dioxide sensor, temperature sensor, exhaust stream measuring device is all electrically connected with detector, described trolley is provided with a base, base is provided with casing, the centre position of casing inside is provided with dividing plate, the both sides that are positioned at the dividing plate of casing are placed with respectively accumulator and detector, vertically going up of casing end face is fixed with lifter successively, leveller, detector tube, 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 tubular axis line, has also 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 front diversion section successively along central axial direction, impeller, impeller frame, rear diversion section, there is streamlined round fair water cone at described impeller center, fair water cone Nei center is fixed with wheel shaft, stud with circular magnet circle in fair water cone the brim of a hat inner side, equidistantly be equipped with several pieces wheel blades in fair water cone the brim of a hat outside, every wheel blade and central axis are anticlockwise α angle, wheel shaft slides and is placed in the axle sleeve at impeller frame center, described magnet circle be radially S, the N utmost point, described axle sleeve outside is equidistantly equipped with several magneto sensors, described front diversion section and the madial wall of rear diversion section are streamlined along central axial direction, the water conservancy diversion leaf that is clockwise deflection angle that has several to be equally spaced on front diversion section madial wall.
Described base is rectangle.
On tube wall in described sensor box, there are two penetrating circular holes along tube axis direction, in circular hole, are mounted with respectively carbon dioxide sensor seat, block temperature sensor, in seat separately, be mounted with respectively carbon dioxide sensor, temperature sensor.
Described described magneto sensor and the madial wall of magnet circle have the gap of 1 ㎜.
The detection method of cart type vehicle exhaust CO2 emissions detecting device, is characterized in that, comprises the following steps:
(1) be detected parking of automobile and starting engine, throttle opened to the size of setting;
(2) cart type vehicle exhaust CO2 emissions detecting device is pushed into the gas outlet place that is detected automobile bottom postposition, select the exhaust port matching with automobile exhaust pipe specification, and this exhaust port is connected with the exhaust port joint of the detector tube of cart type vehicle exhaust CO2 emissions detecting device;
(3) according to the height of automobile exhaust pipe and angle, adjust height, the angle of bend of corrugated tube and the levelness of leveller of lifter, exhaust port is butted on to the mouth of pipe of automobile exhaust pipe;
(4) detector of operation cart type vehicle exhaust CO2 emissions detecting device, measures the flow, temperature and the carbon dioxide content that are detected car discharging tail gas;
(5) last, cart type vehicle exhaust CO2 emissions detecting device is pushed away to detected automobile.
In the present invention, cart type vehicle exhaust CO2 emissions detecting device is based on following principle of work:
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 larger than section general goal.So adopt at the flow section at impeller place little than the sensor segments of its both sides and gas outlet section flow section, and fairshaped front diversion section and rear baffle liner be set, reduce as much as possible resistance, can make like this to act on blast larger on wheel blade and promote wheel rotation, to improve the accuracy of detection of exhaust flow.In order to adapt to contain the material such as greasy dirt, moisture in vehicle exhaust, adopt magneto sensor to carry out sensing exhaust flow signal, be specially in the fair water cone the brim of a hat inner side of impeller and stud with circular magnet circle, magnet circle be radially S, the N utmost point, axle sleeve outside at impeller frame center is equidistantly equipped with several magneto sensors, and those magneto sensors and magnet circle madial wall have the gap of 1 ㎜.In the time that the air-flow of vehicle exhaust promotes wheel rotation, the magnet circle on impeller switches the magnetic line of force acting on those magneto sensors, to record the frequency of magneto sensor output signal, just can record the flow of automobile exhaust pipe discharge tail gas.
The principle of work that in vehicle exhaust, CO2 emissions detect: settled carbon dioxide sensor and temperature sensor in the sensor segments of detector tube, detected the content of the carbon dioxide in vehicle exhaust by carbon dioxide sensor, detect the temperature of vehicle exhaust by temperature sensor, to revise variation due to the exhaust temperature impact on measuring accuracy.Automobile, setting throttle under oil condition, records motor vehicle emission exhaust flow Q(L/min) time, record the content P(ppm of carbon dioxide in tail gas), record the discharge capacity C(C=P/Q of carbon dioxide in vehicle exhaust).
Compared with the prior art, 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 in different location the discharge capacity of carbon dioxide in various types of automobiles tail gas, not only improve the condition detecting, and improve the ageing and accuracy that detects data, have that precision is high, good resolution, range is large, lightweight, volume is little, cost is low, maneuverability is good, strong adaptability, easy and simple to handle, the feature that can show in real time data, for gathering and the data of analyzing CO2 emissions in vehicle exhaust, provide new instrument and equipment.。
Brief description of the drawings
Figure 1A is the positive cross-sectional schematic of hand propelled vehicle exhaust CO2 emissions detecting device of the present invention.
Figure 1B is the left schematic side view 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 is the left schematic side view 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 is the right schematic side view of exhaust stream measuring device of the present invention.
Fig. 4 is hand propelled vehicle exhaust CO2 emissions sensors work front elevational schematic of the present invention.
Number in the figure:
1 detected automobile, 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; 41 exhaust stream measuring devices, 42 front diversion sections, 43 impellers, 44 impeller framves, 45 rear 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.
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 powered for detector 18, carbon dioxide sensor 38, temperature sensor 39, exhaust stream measuring device 41 is all electrically connected with detector 18, trolley 21 is provided with a rectangle base 12, base 12 is provided with casing 13, the centre position of casing 13 inside is provided with dividing plate 14, the both sides that are positioned at the dividing plate 14 of casing 13 are placed with respectively accumulator 17 and detector 18, vertically going up of casing 13 end faces is fixed with lifter 15 successively, leveller 16, detector tube 31, 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 tubular axis line, has also 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, on tube wall in sensor box 37, there are two penetrating circular holes along tube axis direction, in circular hole, be mounted with respectively carbon dioxide sensor seat, block temperature sensor, in seat separately, be mounted with respectively carbon dioxide sensor 38, temperature sensor 39, referring to Fig. 3 A and Fig. 3 B, exhaust stream measuring device 41 has front diversion section 42 successively along central axial direction, impeller 43, impeller frame 44, rear diversion section 45, there is streamlined round fair water cone 47 at impeller 43 centers, fair water cone 47Nei center is fixed with wheel shaft 49, stud with circular magnet circle 51 in fair water cone 47 the brim of a hat inner sides, equidistantly be equipped with several pieces wheel blades 48 in fair water cone 47 the brim of a hat outsides, every wheel blade 48 is anticlockwise α angle with central axis, wheel shaft 49 slides and is placed in the axle sleeve 50 at impeller Jia44 center, magnet circle 51 be radially S, the N utmost point, axle sleeve 50 outsides are equidistantly equipped with several magneto sensors 52, the madial wall of these magneto sensors 52 and magnet circle 51 has the gap of 1 ㎜, front diversion section 42 is streamlined with the madial wall of rear diversion section 45 along central axial direction, the water conservancy diversion leaf 46 that is clockwise deflection angle that has several to be equally spaced on front diversion section 42 madial walls.
Referring to Fig. 4, the detection method of cart type vehicle exhaust CO2 emissions detecting device, comprises the following steps:
(1) detected automobile 1 stops and starting engine, throttle is opened to the size of setting;
(2) cart type vehicle exhaust CO2 emissions detecting device 11 is pushed into gas outlet 2 places of postposition at the bottom of detected automobile 1 car, select the exhaust port 3 matching with automobile exhaust pipe 2 specifications, and this exhaust port 3 is connected with the exhaust port joint 32 of the detector tube 31 of cart type vehicle exhaust CO2 emissions detecting device 11;
(3) according to the height of automobile exhaust pipe 2 and angle, adjust height, the angle of bend of corrugated tube 33 and the levelness of leveller 16 of lifter 15, exhaust port is butted on to the mouth of pipe of automobile exhaust pipe;
(4) detector 18 of operation cart type vehicle exhaust CO2 emissions detecting device 11, measures detected automobile 1 and discharges flow, temperature and the carbon dioxide content of tail gas;
(5) last, cart type vehicle exhaust CO2 emissions detecting device 11 is pushed away to detected automobile 1.
Exhaust port 3 has plurality of specifications model, to adapt to diameter and the type of dissimilar automobile 1 gas outlet.When detection, press the type of automobile 1 gas outlet 2, select the exhaust port 3 adapting, 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 enter outside air in automobile 1 gas outlet 2 exits guaranteeing.
Detected automobile 1 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 the tail gas that the different tube diameters gas outlet 2 that allows cart type vehicle exhaust CO2 emissions detecting device 11 can detect dissimilar automobile 1 is discharged; The effect of cart type vehicle exhaust CO2 emissions detecting device 11 is the discharge capacitys that detect 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 the height that regulate 31 detector tubes; The effect of leveller 16 is to adjust detector tube 31 for horizontality; The effect of accumulator 17 is to provide power supply for cart type vehicle exhaust CO2 emissions detecting device 11; The effect of detector 18 is to control, collect, show, store the data that detect; 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 that mobile handcart formula vehicle exhaust CO2 emissions detecting device 11 carries 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, to detect the tail gas that dissimilar automobile 1 different angles declivity gas outlet 2 is discharged; The effect of sensor segments 34 is to settle carbon dioxide sensor 38 and temperature sensor 39, forms detection space; The effect of gas outlet section 35 is advection, the tail gas of discharging detected automobile 1 and windproof; The effect of air level 36 is to adjust detector tube 31 for horizontally disposed reference 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 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 front diversion section 42 is to reduce resistance, allows vehicle exhaust smoothness arrive impeller 43; The effect of impeller 43 is to produce rotation under vehicle exhaust promotes, and 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 rear diversion section 45 is to reduce 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 allows automobile 1 discharge is clockwise angle deflection and promotes impeller 43 and rotate; The effect of fair water cone 47 is to make vehicle exhaust smooth-going by 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. detect gas: carbon dioxide (CO2);
2. accuracy of detection: ± 1ppm;
3. detect range: 10ppm～1000ppm;
4. extraction flow: 0～200L/min.
Claims (5)
1. a 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 detector power supply, carbon dioxide sensor, temperature sensor, exhaust stream measuring device is all electrically connected with detector, described trolley is provided with a base, base is provided with casing, the centre position of casing inside is provided with dividing plate, the both sides that are positioned at the dividing plate of casing are placed with respectively accumulator and detector, vertically going up of casing end face is fixed with lifter successively, leveller, detector tube, 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 tubular axis line, is also 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 front diversion section successively along central axial direction, impeller, impeller frame, rear diversion section, there is streamlined round fair water cone at described impeller center, fair water cone Nei center is fixed with wheel shaft, stud with circular magnet circle in fair water cone the brim of a hat inner side, equidistantly be equipped with several pieces wheel blades in fair water cone the brim of a hat outside, every wheel blade and central axis are anticlockwise α angle, wheel shaft slides and is placed in the axle sleeve at impeller frame center, described magnet circle be radially S, the N utmost point, described axle sleeve outside is equidistantly equipped with several magneto sensors, described front diversion section and the madial wall of rear diversion section are streamlined along central axial direction, the water conservancy diversion leaf that is clockwise deflection angle that has several to be equally spaced on front diversion section madial wall.
2. cart type vehicle exhaust CO2 emissions detecting device according to claim 1, is characterized in that: described base is rectangle.
3. cart type vehicle exhaust CO2 emissions detecting device according to claim 1, it is characterized in that: on the tube wall in described sensor box, have two penetrating circular holes along tube axis direction, in circular hole, be mounted with respectively carbon dioxide sensor seat, block temperature sensor, in seat separately, be mounted with respectively carbon dioxide sensor, temperature sensor.
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. a detection method for cart type vehicle exhaust CO2 emissions detecting device as claimed in claim 1, comprises the following steps:
(1) be detected parking of automobile and starting engine, throttle opened to the size of setting;
(2) cart type vehicle exhaust CO2 emissions detecting device is pushed into the gas outlet place that is detected automobile bottom postposition, select the exhaust port matching with automobile exhaust pipe specification, and this exhaust port is connected with the exhaust port joint of the detector tube of cart type vehicle exhaust CO2 emissions detecting device;
(3) according to the height of automobile exhaust pipe and angle, adjust height, the angle of bend of corrugated tube and the levelness of leveller of lifter, exhaust port is butted on to the mouth of pipe of automobile exhaust pipe;
(4) detector of operation cart type vehicle exhaust CO2 emissions detecting device, measures the flow, temperature and the carbon dioxide content that are detected car discharging tail gas;
(5) last, cart type vehicle exhaust CO2 emissions detecting device is pushed away to detected automobile.
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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 true CN102778536B (en) | 2014-11-26 |
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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 |
| 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 |
| 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 |
| 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 |
| CN112627954B (en) * | 2020-11-03 | 2021-10-15 | 台州科技职业学院 | Automatic detection device for automobile exhaust |
| CN115128221B (en) * | 2022-09-02 | 2022-11-18 | 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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