CN102778537B - System and method for remotely monitoring automobile tail gas - Google Patents
System and method for remotely monitoring automobile tail gas Download PDFInfo
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- CN102778537B CN102778537B CN201210204778.5A CN201210204778A CN102778537B CN 102778537 B CN102778537 B CN 102778537B CN 201210204778 A CN201210204778 A CN 201210204778A CN 102778537 B CN102778537 B CN 102778537B
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Abstract
The invention relates to a system and a method for remotely monitoring automobile tail gas. The system comprises a monitoring main machine, an automobile owner mobile phone, a tail gas detection vehicle-mounted terminal and a global position system (GPS), wherein the tail gas detection vehicle-mounted terminal and the GPS are installed on an automobile. The tail gas detection vehicle-mounted terminal comprises a tail gas sampling mechanism, a tail gas sensing mechanism and tail gas analyzing mechanisms, wherein a gas inlet of the tail gas sampling mechanism is connected with an exhaust pipe, a gas outlet of the tail gas sampling mechanism is connected with an automobile silencer, the tail gas sensing mechanism and the GPS are electrically connected with each tail gas analyzing mechanism, the tail gas analyzing mechanisms are connected with the monitoring machine through a wireless network, and the monitoring main machine is connected with the automobile owner mobile phone through the wireless network. The tail gas detection vehicle-mounted terminal sends tail gas detection data and automobile position data to the far-end monitoring main machine which screens out the automobile exceeding emission level of tail gas and frequently running in urban areas and sends warning and rectification information to the automobile owner mobile phone of the automobile exceeding emission level of tail gas. By means of the system and the method for remotely monitoring the automobile tail gas, real-time monitoring and warning on the automobile tail gas are performed, control to automobile tail gas emission is strengthened, and air quality is ensured to be improved.
Description
Technical field
The present invention relates to vehicle exhaust monitoring field, relate in particular to a kind of vehicle exhaust remote supervision system and monitoring method.
Background technology
In the tail gas of motor vehicle emission, mainly comprise CO2, CO and CH compound and NO compound, along with increasing rapidly of motor vehicles, being discharged into airborne CO2, CO and CH compound and NO compound can get more and more, the negative effects such as the greenhouse effect that cause are also day by day serious, and serious threat is to the mankind's existence.Generally that the index of correlation to automobile is controlled in the time that automobile dispatches from the factory at present, automobile detects motor vehicle exhaust emission level in the mode of annual test after selling, mostly adopt idling method and simple and easy operating condition method simulation actual travel state, pollution level that cannot its tail gas of real-time judge causes in automobile normal running state.Exactly the air on road is detected in addition, in order to judge content and the concentration of numerous motor vehicle emission tail gas.Also there is no at present a kind of complete monitoring system, tail gas that cannot each automobile of real-time remote monitoring discharges in vehicle traveling process, the vehicle that cannot find in time exhaust emissions to exceed standard, also cannot the vehicle that exceed standard be warned in time and be disposed, therefore larger to the control difficulty of motor vehicle exhaust emission, be unfavorable for the improvement of air quality.And traditional gas analyzer can only be measured certain class content of emission gases, synchronization can only obtain limited several data, cannot obtain the multiple gases content concn of vehicle exhaust and the many kinds of parameters of emission gases simultaneously, be difficult to motor vehicle emission tail gas to make perfect judge comprehensively, detection efficiency is low, uses inconvenient.In addition, owing to certainly jolting in vehicle traveling process and vibrating, in order to improve accuracy of detection and to guarantee reliability, damping and shock-absorbing are problems must facing.
Summary of the invention
The present invention mainly solves does not also have a kind of complete automobile exhaust monitoring system at present, tail gas that cannot each automobile of real-time remote monitoring discharges in vehicle traveling process, the vehicle that cannot find in time exhaust emissions to exceed standard, also cannot the vehicle that exceed standard be warned in time and be disposed, control difficulty to motor vehicle exhaust emission is larger, is unfavorable for the technical matters of the improvement of air quality; A kind of vehicle exhaust remote supervision system and monitoring method are provided, its can in vehicle traveling process, each automobile of real-time remote monitoring discharges tail gas, filter out the vehicle that exhaust emissions exceeds standard and find its position, and the vehicle that exceeds standard is warned in time and disposed, thereby strengthen the control to motor vehicle exhaust emission, guarantee to improve air quality.
The present invention solves original gas analysis arrangement simultaneously and can only measure certain class content in gas, synchronization can only obtain limited several data, cannot obtain the multiple gases content concn of vehicle exhaust and the many kinds of parameters of emission gases simultaneously, be difficult to motor vehicle emission tail gas to make perfect judge comprehensively, detection efficiency is low, uses inconvenient technical matters; A kind of vehicle exhaust remote supervision system is provided, it can detect the multiple gases content of vehicle exhaust at synchronization, and can detect other parameter of emission simultaneously, thereby can make perfect judge comprehensively to motor vehicle emission tail gas, detection efficiency is high, easy to use.
Another object of the present invention is to provide a kind of vehicle exhaust remote supervision system; it possesses good damping, anti-vibration structure; sensor and circuit used are had to good shock-absorbing protecting effect; the accuracy of the data of guaranteeing still have good functional reliability in vehicle traveling process and record, makes vehicle exhaust monitoring more accurate.
Above-mentioned technical matters of the present invention is mainly solved by following technical proposals: vehicle exhaust remote supervision system of the present invention, comprise tail gas inspection vehicle mounted terminal, GPS positioning system, monitoring host computer and car owner's mobile phone, tail gas inspection vehicle mounted terminal and GPS positioning system are arranged on automobile, monitoring host computer is arranged on the administrative authority of monitoring vehicle exhaust, described tail gas inspection vehicle mounted terminal comprises exhaust sampling mechanism, tail gas sensing mechanism and tails assay mechanism, the air intake opening of exhaust sampling mechanism is connected with the gas outlet of automobile, the air intake opening of the gas outlet of exhaust sampling mechanism and described tail gas sensing mechanism is connected, the gas outlet of tail gas sensing mechanism is connected with the sound suppressor on automobile, the transducing signal output terminal of tail gas sensing mechanism is connected with the signal input part of described tails assay mechanism, GPS positioning system is connected with tails assay mechanism, tails assay mechanism is connected by wireless network with described monitoring host computer, monitoring host computer is connected by wireless network with car owner's mobile phone.Tail gas inspection vehicle mounted terminal, for detecting in real time automobile institute emission concentration.Gather the tail gas of automobile discharge in real time and flow to tail gas sensing mechanism by exhaust sampling mechanism, detect the concentration value of related compound and flow to tails assay mechanism by tail gas sensing mechanism, tails assay mechanism through processing, analysis and calculation, tail gas is detected to automobile positioning data that data and GPS positioning system obtain and sends to by wireless network the monitoring host computer of far-end.Monitoring host computer comprises server and WEB application program, be responsible for carrying out telecommunication with tail gas inspection vehicle mounted terminal, receive, process and store a large amount of tail gas detection data and the locator data that come from multiple tail gas inspection vehicle mounted terminals, filter out the vehicle that emission level exceeds standard and (program setting can be passed through in region) travels through the city of being everlasting, and this selection result and warning, rectification notice are sent to corresponding car owner's mobile phone by wireless network with short message mode or lettergram mode, supervise car owner to maintain vehicle, reduce exhaust emissions.
As preferably, described exhaust sampling mechanism comprises connected successively oil and water filters, dust filter unit and vacuum pump, the air intake opening of oil and water filters is connected with the gas outlet of automobile, the air intake opening of the gas outlet of vacuum pump and described tail gas sensing mechanism is connected, and the operation control end of vacuum pump is connected with described tails assay mechanism.The long-range transmission Monitoring instruction of monitoring host computer is to tails assay mechanism, tails assay mechanism sends control signal and starts vacuum pump operation, extract tail gas from automobile exhaust pipe, the tail gas extracting filters out unburned fuel and the dust in tail gas through oil and water filters, dust filter unit successively, sends into tail gas sensing mechanism and detects.
As preferably, push-button unit, display unit, driver element and GPRS wireless transmit/receive units that described tails assay mechanism comprises micro-control unit and is connected with micro-control unit, the transducing signal output terminal of the signal input part of micro-control unit and described tail gas sensing mechanism is connected, the control end of the output terminal of driver element and described exhaust sampling mechanism is connected, described GPS positioning system is connected with described micro-control unit, GPRS wireless transmit/receive units and described wireless being connected of monitoring host computer.Tails assay mechanism realizes radio communication by GPRS wireless transmit/receive units and monitoring host computer, micro-control unit receives the numerical value that each sensor is sent here, and going out the numerical value of automobile transient state exhaust contaminant according to every numerical evaluation, computing obtains mass discharge value, and the long-range monitoring host computer that sends to.Push-button unit and display unit, for man-machine interaction, are set duty and correlation parameter by push-button unit, show in real time concentration value and the vehicle location information of related compound in tail gas by display unit.Micro-control unit sends control signal to driver element, then by the operation of the vacuum pump in driver element control exhaust sampling mechanism.
As preferably, in comprising, described tail gas sensing mechanism has the housing of gas channel, the inlet end of gas channel is located at a side of housing, the opposite side of housing is located in the outlet side of gas channel, from inlet end to outlet side, compartment of terrain is provided with oxycarbide and hydrocarbons sensor, NOx sensor and oxygen sensor successively in gas channel, and the transducing signal output terminal of oxycarbide and hydrocarbons sensor, NOx sensor and oxygen sensor is connected with the signal input part of described tails assay mechanism respectively.The tail gas being extracted by vacuum pump enters gas channel, detected the concentration value of NOx by NOx sensor, oxygen sensor is measured oxygen density value, is measured the concentration value of CO2, CO and CH compound by oxycarbide and hydrocarbons sensor, and above-mentioned data are all given tails assay mechanism.Synchronization can obtain the multiple gases content value of vehicle exhaust, thereby can make perfect judge comprehensively to motor vehicle emission tail gas, and detection efficiency is high, easy to use.
As preferably, described oxycarbide and hydrocarbons sensor comprise infrared light supply, infrared radiation source modulating unit, catoptron, thermopile detector, in described housing, be provided with a path channels vertical with described gas channel, described infrared light supply and thermopile detector are located at one end of path channels, two mutual symmetrical catoptrons are located at the other end of path channels, infrared radiation source modulating unit is electrically connected with infrared light supply, the length of described path channels is 1.5～3.5 times of diameter of gas channel, the diameter of path channels is less than or equal to the radius of gas channel, the transducing signal output terminal of described thermopile detector is connected with the signal input part of described tails assay mechanism.Gas channel is diameter consistent put-through channel all the time, is convenient to air-flow and passes through smoothly.Sufficiently long path channels extends the distance that light passes through, and also reduces and disturbs, and improves the detection accuracy of oxycarbide and hydrocarbons.Oxycarbide and hydrocarbons sensor are to utilize not light splitting infrared absorption method to survey the device of CO2, CO and CH compound concentration value in tail gas.Infrared radiation source modulating unit sends modulating pulse, control infrared radiation source and send interrupted infrared light, infrared light sweep gas circulation road, is irradiated on the catoptron of the other end that is positioned at path channels, after two secondary reflections of two catoptrons, is irradiated on thermopile detector again.In this illumination path, the infrared light of some frequency range is by the CO2 in gas channel, CO and CH gas absorption, light intensity decreasing, thermopile detector detects the light intensity that these frequency ranges weaken, infrared detection circuit calculates above-mentioned three kinds of gases concentration value separately according to Lambert-Beer absorption law, finally sends tails assay mechanism to.
As preferably, in described gas channel, be provided with gas pressure sensor, gas meter and temperature sensor, gas pressure sensor is between described oxycarbide and hydrocarbons sensor and NOx sensor, gas meter and temperature sensor are between described NOx sensor and oxygen sensor, and gas pressure sensor, gas meter and temperature sensor are electrically connected with described tails assay mechanism respectively; Described gas meter comprises eddy current generation body and piezoelectric sensor, piezoelectric sensor is located on the conduit wall of gas channel, eddy current generation body penetrates in housing from described outside, and it is interior and contiguous with piezoelectric sensor that the termination of eddy current generation body is exposed to gas channel.Detect the gas pressure intensity in gas channel by gas pressure sensor, gas meter detects gas flow value.Eddy current generation body is used to produce eddy current in dilution air flow, and these eddy current are discharged in air-flow according to certain frequency.Piezoelectric sensor is divided into again transmission piezoelectric unit and receives piezoelectric unit two parts, is used for measuring the frequency of the eddy current discharging from eddy current generation body.Send piezoelectric unit and send ultrasound wave to receiving piezoelectric unit according to certain frequency, the eddy current that ultrasound wave and eddy current generation body produce interferes, receive piezoelectric unit and just can calculate interference frequencies according to the ultrasonic signal of receiving, then the release frequency that is calculated eddy current by this frequency values, sends to tails assay mechanism.The release frequency of eddy current is to be directly proportional with the volumetric flow rate of gas, accordingly, is calculated the flow value of air-flow by tails assay mechanism.
As preferably, described vehicle exhaust remote supervision system comprises a casing, bottom surface in casing is provided with a hollow chassis, on hollow chassis, being coated with a centre is plane, surrounding is dish-like lid curved under arcuation, between hollow chassis and dish-like lid, be provided with one deck rubber layer, the surrounding of described dish-like lid is provided with four the first above springs, one end of the first spring is connected with the edge of dish-like lid, the other end of the first spring is connected with tank floor, the first described spring is inclined to set, described dish-like lid is provided with a double-layer scaffold, described tails assay mechanism and GPS positioning system are located at the upper strata of double-layer scaffold, described tail gas sensing mechanism is located at the lower floor of double-layer scaffold.Hollow chassis, rubber layer and the dish-like lid being installed together be from top to bottom for the vibration of the vertical direction that reduces running car and occur, is connected to the vibration for the horizontal direction that reduces running car and occur of multiple the first springs between tank floor and dish-like lid.Thereby good shock-absorbing protecting effect is played to by the tail gas sensing mechanism and the tails assay mechanism that are arranged on double-layer scaffold; avoid electronic devices and components to damage because of mechanical fatigue; avoid the switch of electrical equipment or contact to produce misoperation because of shake; avoid adjustable part in circuit to produce mechanical shift or make fastening part loosening; thereby destroying it normally works; the accuracy of the data of guaranteeing still have good functional reliability in vehicle traveling process and record, makes vehicle exhaust monitoring more accurate.
As preferably, described double-layer scaffold is provided with four legs, described dish-like lid is provided with four open columns, four legs are respectively inserted in four open columns, the inwall of described open column is provided with one and encloses the radially boss of convex, described leg is provided with a rubber sphere, and rubber sphere is positioned at the below of boss, on the leg of rubber sphere below, is set with the second spring.The second spring plays buffer action to the vibration of vertical direction.The side of boss is curved, and in the time that strong vibration causes the second spring breakage, boss blocks rubber sphere, make leg can not depart from open column, and rubber sphere also plays the buffer action of vibration.
As preferably, the front panel of described casing and rear panel are equipped with multiple louvres, and on front panel, the diameter of louvre is less than the diameter of louvre on rear panel.Just more anxious because vehicle traveling process medium velocity than very fast, enters the air-flow of casing, the arranging of above-mentioned louvre can make the to flow through air-flow of casing is relatively stable, makes the suffered impulsive force of each parts in casing less, also improves radiating effect simultaneously.
The monitoring method of vehicle exhaust remote supervision system of the present invention is, gather the tail gas of automobile discharge in real time and flow to described tail gas sensing mechanism by described exhaust sampling mechanism, detect the concentration value of the respective compound that administrative authority need to know and flow to described tails assay mechanism by tail gas sensing mechanism, tails assay mechanism is through processing, analysis and calculation, tail gas is detected to data and automobile positioning data and sends to by wireless network the monitoring host computer of far-end, described monitoring host computer is sent instruction and receives to multiple tail gas inspection vehicle mounted terminals by wireless network, process and store the mass data that comes from multiple tail gas inspection vehicle mounted terminals, filter out by monitoring host computer the automobile that exhaust emissions level exceeds standard and travel through the city of being everlasting, then monitoring host computer by wireless network send warning and rectification information to the car owner mobile phone corresponding with these automobiles.Automobile institute emission is carried out to Real-Time Monitoring and real-time alerting, be conducive to strengthen the control to motor vehicle exhaust emission, guarantee to improve air quality.
The invention has the beneficial effects as follows: tail gas that can each automobile of real-time remote monitoring discharges in vehicle traveling process, filter out the vehicle that exhaust emissions exceeds standard and find its position, and the vehicle that exceeds standard is warned in time and disposed, thereby strengthen the control to motor vehicle exhaust emission, guarantee to improve air quality, there is the advantages such as automaticity is high, monitoring efficiency is high, continuous operation.And can detect the multiple gases content of vehicle exhaust at synchronization, and can detect other parameter of emission simultaneously, thus can make perfect judge comprehensively to motor vehicle emission tail gas, detection efficiency is high.Also possess good damping, anti-vibration structure; sensor and circuit used are had to good shock-absorbing protecting effect; avoid electronic devices and components to damage because of mechanical fatigue; avoid the switch of electrical equipment or contact to produce misoperation because of shake; avoid adjustable part in circuit to produce mechanical shift or make fastening part loosening; guarantee in vehicle traveling process, still to there is good functional reliability, make vehicle exhaust monitoring more accurate.
Brief description of the drawings
Fig. 1 is a kind of system syndeton block diagram of vehicle exhaust remote supervision system of the present invention.
Fig. 2 is a kind of syndeton block diagram of exhaust sampling mechanism and tail gas sensing mechanism in the present invention.
Fig. 3 is a kind of circuit theory syndeton block diagram of tail gas inspection vehicle mounted terminal in the present invention.
Fig. 4 is a kind of structural representation of tail gas sensing mechanism in the present invention.
Fig. 5 is a kind of structural representation of double-layer scaffold in the present invention.
Fig. 6 is a kind of sectional structure schematic diagram of the interior double-layer scaffold mounting structure of casing in the present invention.
Fig. 7 is a kind of sectional structure schematic diagram of the mounting structure of the leg of double-layer scaffold in the present invention.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: the vehicle exhaust remote supervision system of the present embodiment, as shown in Figure 1, comprise tail gas inspection vehicle mounted terminal 1, GPS positioning system 2, monitoring host computer 3 and car owner's mobile phone 4, tail gas inspection vehicle mounted terminal 1 and GPS positioning system 2 are arranged on automobile, one of each installation on each automobile, monitoring host computer 3 is arranged on the administrative authority of monitoring vehicle exhaust, and a monitoring host computer can communicate with multiple tail gas inspection vehicle mounted terminals, multiple car owner's mobile phone.GPS positioning system 2 is connected with tail gas inspection vehicle mounted terminal 1, and tail gas inspection vehicle mounted terminal 1 is connected by wireless network with monitoring host computer 3, and monitoring host computer 3 is connected by wireless network with car owner's mobile phone 4.As shown in Figure 2, tail gas inspection vehicle mounted terminal 1 comprises exhaust sampling mechanism 5, tail gas sensing mechanism 6 and tails assay mechanism 7, exhaust sampling mechanism 5 comprises connected successively oil and water filters 51, dust filter unit 52 and vacuum pump 53, the air intake opening of oil and water filters 51 is connected with the gas outlet of automobile, the gas outlet of vacuum pump 53 is connected with the air intake opening of tail gas sensing mechanism 6, and the gas outlet of tail gas sensing mechanism 6 is connected with the sound suppressor being installed on automobile.As Fig. 5, shown in Fig. 6 and Fig. 7, a casing 8 is installed on each automobile, a metal hollow chassis 9 is installed on the bottom surface in casing 8, on hollow chassis 9, being coated with a centre is plane, surrounding is dish-like lid 10 curved under arcuation, between hollow chassis 9 and dish-like lid 10, be bonded with one deck rubber layer 11, the surrounding of dish-like lid 10 has eight the first uniform springs 12, one end of the first spring 12 is connected with the edge of dish-like lid 10, the other end of the first spring 12 is connected with casing 8 bottom surfaces, the first spring 12 is inclined to set, its upper end is inner, lower end is outer.Four legs 14 that are connected with 15, one double-layer scaffolds 13 of four open columns on dish-like lid 10 are respectively inserted in four open columns 15.On the inwall of open column 15, have and enclose the radially metal boss 16 of convex, the side of boss is curved, is socketed with a rubber sphere 17 on leg 14, and rubber sphere 17 is positioned at the below of boss 16, is set with the second spring 18 on the leg 14 of rubber sphere 17 belows.Double-layer scaffold comprises top plate and lower plywood, and top plate and lower plywood connect and compose a support body by four legs, and tails assay mechanism 7 and GPS positioning system 2 are installed on top plate, and tail gas sensing mechanism 6 is installed on lower plywood.The front panel 19 of casing 8 and rear panel 20 all have multiple louvres 21, on front panel 19, the diameter of louvre 21 is less than the diameter of louvre 21 on rear panel 20, louvre on front panel is relatively gathered in the center of front panel, and four angles that the louvre on rear panel relatively relies on rear panel distribute.
As shown in Figure 4, in comprising, tail gas sensing mechanism 6 has the housing 61 of gas channel 62, the inlet end 621 of gas channel 62 is positioned at a side of housing 61, the outlet side 622 of gas channel 62 is positioned at the opposite side of housing 61, and oxycarbide and hydrocarbons sensor, gas pressure sensor 63, NOx sensor 64, gas meter 65, temperature sensor 612 and oxygen sensor 66 are installed from inlet end 621 to outlet side 622 successively compartment of terrain in gas channel 62.Wherein, oxycarbide and hydrocarbons sensor comprise infrared light supply 68, infrared radiation source modulating unit 611, catoptron 610, thermopile detector 69, in housing 61, there is a path channels 67 vertical with gas channel 62, infrared light supply 68 and thermopile detector 69 are installed on one end of path channels 67, two mutual symmetrical catoptrons 610 are installed on the other end of path channels 67, infrared radiation source modulating unit 611 is electrically connected with infrared light supply 68, the length of path channels 67 is 1.5～3.5 times of diameter of gas channel 62, the diameter of path channels 67 is less than the radius of gas channel 62.Gas meter 65 comprises eddy current generation body 651 and piezoelectric sensor 652, piezoelectric sensor 652 is installed on the conduit wall of gas channel 62, eddy current generation body 651 penetrates in housing 61 from housing 61 outsides, and it is interior and contiguous with piezoelectric sensor 652 that the termination of eddy current generation body 651 is exposed to gas channel 62.
As shown in Figure 3, tails assay mechanism 7 comprises micro-control unit 71 and is connected with micro-control unit 71 push-button unit 72, display unit 73, driver element 74 and GPRS wireless transmit/receive units 75.The transducing signal output terminal of thermopile detector 69, gas pressure sensor 63, NOx sensor 64, gas meter 65, temperature sensor 612 and oxygen sensor 66 in tail gas sensing mechanism 6 is connected with the signal input part of micro-control unit 71 respectively, the output terminal of driver element 74 is connected with the operation control end of the vacuum pump in exhaust sampling mechanism 5, GPS positioning system 2 is connected with micro-control unit 71, and GPRS wireless transmit/receive units 75 and monitoring host computer 3 carry out radio communication.
The monitoring method of above-mentioned vehicle exhaust remote supervision system is: monitoring host computer 3 passes through the long-range transmission Monitoring instruction of wireless network to tail gas inspection vehicle mounted terminal 1, GPRS wireless transmit/receive units 75 in tail gas inspection vehicle mounted terminal flows to micro-control unit 71 after receiving signal, send control signal to driver element 74 by micro-control unit, starting vacuum pump 53 by driver element again moves, extract tail gas by vacuum pump from the gas outlet of the automobile that travelling, the tail gas extracting is successively through oil and water filters 51, dust filter unit 52 filters out unburned fuel and the dust in tail gas, the gas channel 62 of sending into tail gas sensing mechanism detects, detect the concentration value of the respective compound that administrative authority need to know and flow to tails assay mechanism 7 by tail gas sensing mechanism 6, the automobile positioning data obtaining by GPS positioning system 2 also flows to tails assay mechanism, processed by the micro-control unit process in tails assay mechanism 7, analysis and calculation, tail gas is detected to data and automobile positioning data and sends to by GPRS wireless transmit/receive units the monitoring host computer 3 of far-end, monitoring host computer 3 receives, process and store the mass data that comes from multiple tail gas inspection vehicle mounted terminals 1, filter out by monitoring host computer 3 automobile that exhaust emissions level exceeds standard and travel through the city of being everlasting, then monitoring host computer 3 sends the selection result in the mode of note or mail by wireless network, warning and rectification notice are given car owner's mobile phone 4 of the automobile that exceeds standard.Supervision department can also find by GPS locating information the automobile that exceeds standard fast, to make in time respective handling.
The present invention can in vehicle traveling process, each automobile of real-time remote monitoring discharges tail gas, filter out the vehicle that exhaust emissions exceeds standard and find its position, and the vehicle that exceeds standard is warned in time and disposed, thereby strengthen the control to motor vehicle exhaust emission, reach effective reduction exhaust emissions pollution, improve the object of Air Quality in Urban Area, have the advantages such as automaticity is high, Real-Time Monitoring efficiency is high, continuous operation, carrying out the work such as vehicle exhaust remote monitoring and vehicle management for environmental administration provides a kind of new means.
Claims (9)
1. a vehicle exhaust remote supervision system, it is characterized in that comprising tail gas inspection vehicle mounted terminal (1), GPS positioning system (2), monitoring host computer (3) and car owner's mobile phone (4), tail gas inspection vehicle mounted terminal (1) and GPS positioning system (2) are arranged on automobile, monitoring host computer (3) is arranged on the administrative authority of monitoring vehicle exhaust, described tail gas inspection vehicle mounted terminal (1) comprises exhaust sampling mechanism (5), tail gas sensing mechanism (6) and tails assay mechanism (7), the air intake opening of exhaust sampling mechanism (5) and the gas outlet of automobile are connected, the air intake opening of the gas outlet of exhaust sampling mechanism (5) and described tail gas sensing mechanism (6) is connected, the gas outlet of tail gas sensing mechanism (6) is connected with the sound suppressor being installed on automobile, the signal input part of the transducing signal output terminal of tail gas sensing mechanism (6) and described tails assay mechanism (7) is connected, GPS positioning system (2) is connected with tails assay mechanism (7), tails assay mechanism (7) is connected by wireless network with described monitoring host computer (3), monitoring host computer (3) is connected by wireless network with car owner's mobile phone (4), a casing (8) is installed on described automobile, bottom surface in casing (8) is provided with a hollow chassis (9), on hollow chassis (9), being coated with a centre is plane, surrounding is dish-like lid (10) curved under arcuation, between hollow chassis (9) and dish-like lid (10), be provided with one deck rubber layer (11), the surrounding of described dish-like lid (10) is provided with four above the first springs (12), one end of the first spring (12) is connected with the edge of dish-like lid (10), the other end of the first spring (12) is connected with casing (8) bottom surface, described the first spring (12) is inclined to set, described dish-like lid (10) is provided with a double-layer scaffold (13), described tails assay mechanism (7) and GPS positioning system (2) are located at the upper strata of double-layer scaffold (13), described tail gas sensing mechanism (6) is located at the lower floor of double-layer scaffold (13).
2. vehicle exhaust remote supervision system according to claim 1, it is characterized in that described exhaust sampling mechanism (5) comprises connected successively oil and water filters (51), dust filter unit (52) and vacuum pump (53), the air intake opening of oil and water filters (51) and the gas outlet of automobile are connected, the air intake opening of the gas outlet of vacuum pump (53) and described tail gas sensing mechanism (6) is connected, and the operation control end of vacuum pump (53) is connected with described tails assay mechanism (7).
3. vehicle exhaust remote supervision system according to claim 1, it is characterized in that the push-button unit (72) that described tails assay mechanism (7) comprises micro-control unit (71) and is connected with micro-control unit (71), display unit (73), driver element (74) and GPRS wireless transmit/receive units (75), the transducing signal output terminal of the signal input part of micro-control unit (71) and described tail gas sensing mechanism (6) is connected, the control end of the output terminal of driver element (74) and described exhaust sampling mechanism (5) is connected, described GPS positioning system (2) is connected with described micro-control unit (71), GPRS wireless transmit/receive units (75) and described wireless being connected of monitoring host computer (3).
4. vehicle exhaust remote supervision system according to claim 1, in comprising, tail gas sensing mechanism (6) described in it is characterized in that has the housing (61) of gas channel (62), the inlet end (621) of gas channel (62) is located at a side of housing (61), the opposite side of housing (61) is located in the outlet side (622) of gas channel (62), in gas channel (62), from inlet end (621), to outlet side, (622) are provided with oxycarbide and hydrocarbons sensor in compartment of terrain successively, NOx sensor (64) and oxygen sensor (66), oxycarbide and hydrocarbons sensor, the transducing signal output terminal of NOx sensor (64) and oxygen sensor (66) is connected with the signal input part of described tails assay mechanism (7) respectively.
5. vehicle exhaust remote supervision system according to claim 4, it is characterized in that described oxycarbide and hydrocarbons sensor comprise infrared light supply (68), infrared radiation source modulating unit (611), catoptron (610), thermopile detector (69), in described housing (61), be provided with a path channels (67) vertical with described gas channel (62), described infrared light supply (68) and thermopile detector (69) are located at one end of path channels (67), two mutual symmetrical catoptrons (610) are located at the other end of path channels (67), infrared radiation source modulating unit (611) is electrically connected with infrared light supply (68), the length of described path channels (67) is 1.5～3.5 times of diameter of gas channel (62), the diameter of path channels (67) is less than or equal to the radius of gas channel (62), the transducing signal output terminal of described thermopile detector (69) is connected with the signal input part of described tails assay mechanism (7).
6. according to the vehicle exhaust remote supervision system described in claim 4 or 5, it is characterized in that being provided with gas pressure sensor (63) in described gas channel (62), gas meter (65) and temperature sensor (612), gas pressure sensor (63) is positioned between described oxycarbide and hydrocarbons sensor and NOx sensor (64), gas meter (65) and temperature sensor (612) are positioned between described NOx sensor (64) and oxygen sensor (66), gas pressure sensor (63), gas meter (65) and temperature sensor (612) are electrically connected with described tails assay mechanism (7) respectively, described gas meter (65) comprises eddy current generation body (651) and piezoelectric sensor (652), piezoelectric sensor (652) is located on the conduit wall of gas channel (62), eddy current generation body (651) penetrates in housing (61) from described housing (61) outside, and it is interior and contiguous with piezoelectric sensor (652) that the termination of eddy current generation body (651) is exposed to gas channel (62).
7. vehicle exhaust remote supervision system according to claim 1, it is characterized in that described double-layer scaffold (13) is provided with four legs (14), described dish-like lid (10) is provided with four open columns (15), four legs (14) are respectively inserted in four open columns (15), the inwall of described open column (15) is provided with one and encloses the radially boss of convex (16), described leg (14) is provided with a rubber sphere (17), rubber sphere (17) is positioned at the below of boss (16), on the leg (14) of rubber sphere (17) below, be set with the second spring (18).
8. vehicle exhaust remote supervision system according to claim 1, the front panel (19) and the rear panel (20) that it is characterized in that described casing (8) are equipped with multiple louvres (21), and the diameter of the upper louvre (21) of front panel (19) is less than the diameter of the upper louvre (21) of rear panel (20).
9. the monitoring method of a vehicle exhaust remote supervision system as claimed in claim 1 or 2 or 3 or 4, it is characterized in that gathering the tail gas of automobile discharge in real time and flowing to described tail gas sensing mechanism (6) by described exhaust sampling mechanism (5), detect the concentration value of the respective compound that administrative authority need to know and flow to described tails assay mechanism (7) by tail gas sensing mechanism (6), tails assay mechanism (7) is through processing, analysis and calculation, the automobile positioning data that tail gas is detected to data and obtained by described GPS positioning system (2) sends to the monitoring host computer (3) of far-end by wireless network, described monitoring host computer (3) is sent instruction and receives to multiple tail gas inspection vehicle mounted terminals (1) by wireless network, processing and storage come from the mass data of multiple tail gas inspection vehicle mounted terminals (1), filter out by monitoring host computer (3) automobile that exhaust emissions level exceeds standard and travel through the city of being everlasting, then monitoring host computer (3) by wireless network send warning and rectification information to the car owner mobile phone (4) corresponding with these automobiles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210204778.5A CN102778537B (en) | 2012-06-20 | 2012-06-20 | System and method for remotely monitoring automobile tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210204778.5A CN102778537B (en) | 2012-06-20 | 2012-06-20 | System and method for remotely monitoring automobile tail gas |
Publications (2)
| Publication Number | Publication Date |
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| CN102778537A CN102778537A (en) | 2012-11-14 |
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