CN108241041A - A kind of ship oil change detection systems and detection method - Google Patents
A kind of ship oil change detection systems and detection method Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 137
- 230000008859 change Effects 0.000 title claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 92
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 76
- 231100000719 pollutant Toxicity 0.000 claims abstract description 76
- 238000004891 communication Methods 0.000 claims abstract description 24
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 22
- 239000011593 sulfur Substances 0.000 claims abstract description 22
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 239000012080 ambient air Substances 0.000 claims abstract description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 claims description 48
- 238000012360 testing method Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 11
- 239000000295 fuel oil Substances 0.000 claims description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 3
- 230000000284 resting effect Effects 0.000 abstract description 3
- 238000012216 screening Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 8
- 239000003570 air Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012417 linear regression Methods 0.000 description 2
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/0037—Specially adapted to detect a particular component for NOx
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/0039—Specially adapted to detect a particular component for O3
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/0042—Specially adapted to detect a particular component for SO2, SO3
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; viscous liquids; paints; inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Oils, i.e. hydrocarbon liquids specific substances contained in the oil or fuel
- G01N33/287—Sulfur content
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
Abstract
The present invention proposes a kind of ship oil change detection systems and detection method, including aerial detection unit, ground controls and receives unit, aerial detection unit includes low latitude trace detection platform, first wireless communication module, data processing memory module, detection module, track up device, position sensor, height sensor, it solves the problems, such as not detecting whether ship use uses low-sulfur oily in the case of non-go on board, it realizes to ship in operation and the detection of resting state, ambient air and ship discharge can be distinguished, bunker oil sulfur content is reversely judged according to observation concentration, built-in decision condition and algorithm, by unmanned plane and pollutant monitoring module, realize the screening to maximum discharge ship, reduce the workload of supervisor, improve the discrimination power to maximum discharge suspicion ship, quickly provide result, convenient for on-site law-enforcing, personnel take action.
Description
Technical field
It changes oil detection technique field the present invention relates to ship, and in particular to a kind of ship oil change detection systems and detection side
Method.
Background technology
It was promulgated in 2015 in China《Pearl River Delta, the Yangtze River Delta, Circum-Bohai Sea (Jing-jin-ji region) waters ship emission control area implement
Scheme》, phase in ship uses the Mitigation options of low-sulfur oily (sulfur content≤0.5%) in emission control area.At present, it supervises
Pipe personnel by the way of boarding, selective examination ship whether according to the rules using low-sulfur oil, which it is less efficient, in addition
Be related to foreign nationality's ship go on board license the problems such as.In oil quality detection field, current all methods, which must all go on board, to be carried out or examines
The relative recording or acquisition oil sample for looking into ship purchase oil product are further detected, and in non-detection field of going on board, are had not seen at present
Relevant technology report.
Other sources of atmospheric pollution, such as the pollution sources such as factory are analogous to, have researcher to monitor plant area using mobile monitoring vehicle
The pollutant concentration of surrounding, but most is Single Pollution object, for judging whether the simulation of contamination process is accurate.
Current technology method causes these methods that can not be suitable for inspection whether ship is changed oil due to having the following disadvantages
It surveys：
1st, it can not achieve from observation concentration to discharge or the reversed deduction of fuel conditions；
2nd, it cannot effectively distinguish monitoring concentration and come from ambient air or specific source, pollution source contribution can not be provided
Ratio；
3rd, detection device is expensive, time-consuming for implementation process, data handling procedure is complicated；
4th, for fixed emission source, the detection to mobile ship can not be realized.
Invention content
In order to solve the technical issues of above-mentioned, the present invention provides a kind of ship oil change detection systems and detection method, mesh
Be, the non-formula ship of going on board for providing a kind of convenience and high-efficiency is changed oil rapid detection system and detection method, passes through the detection system
System solves the problems, such as that ship can not be detected with whether using low-sulfur oily in the case of non-go on board, realizes and ship is being run and stopped
By the detection of state.
The present invention provides a kind of ship oil change detection systems, for detecting sulfur content oily used in ship, including：
Aerial detection unit：It includes low latitude trace detection platform and be fixed on the low latitude trace detection platform
One wireless communication module, data processing memory module, detection module, first wireless communication module and the detection module with
The data processing memory module connection, the data processing memory module is connect with the low latitude trace detection platform, described
Detection module includes the NO being connect with the data processing memory modulexSensor, O3Sensor and SO2Sensor；
Ground controls and receives unit：It is used to control the aerial detection unit, and the ground controls and receives unit and includes
Ground controller and the display screen being fixed on the ground controller and the second wireless communication module, the ground controller with
The display screen connection, the ground controller is connect with second wireless communication module, and the ground controller passes through
Second wireless communication module and first wireless communication module are wirelessly communicated with the data processing memory module.
As further improvement of the invention, the NOxSensor, the O3Sensor and the SO2The coupling of sensor
Precision is 1ppb ranks；
The NOxSensor, the O3Sensor and the SO2Resolution ratio >=0.1Hz of sensor.
As further improvement of the invention, the aerial detection unit further includes：
Track up device is fixed below the low latitude trace detection platform, the track up device and the data
Handle memory module connection.
As further improvement of the invention, the aerial detection unit further includes：
Position sensor is fixed on the low latitude trace detection platform, and is connected with the data processing memory module
It connects, the position sensor is GPS module or Beidou navigation module or GLONASS navigation modules；
Height sensor is fixed on the low latitude trace detection platform, and is connected with the data processing memory module
It connects.
As further improvement of the invention, power module is further included, is fixed on the low latitude trace detection platform,
The power module includes several groups of lithium batteries, and the power module provides power supply for the aerial detection unit.
It changes oil detection method the present invention also provides a kind of ship, including：
Step 1, detection prepares：Monitoring area is obtained without under plume situation, pollutant concentration is averaged in ambient air
Value；
Step 2, monitoring area detection data is obtained：The detection module continuously acquires the SO of ambient air2Concentration, NOxIt is dense
Degree and O3Concentration, and it is sent to the data processing memory module；
Step 3, plume event is screened：The data processing memory module is according to the SO2Concentration, NOxConcentration and O3Concentration
Ship plume event is judged whether with pollutant concentration average value in the ambient air, if it is present turning to step
4, if there is no then turning to step 2；
Step 4, judge the oily type of ship：According to NOxConcentration and SO2The ratio of concentration judges that ship with oil is high-sulfur oils
Or low-sulfur oil.
As further improvement of the invention, step 1 specifically includes：
Step 101, the detection module utilizes the NOxSensor, the O3Sensor and the SO2Sensor acquires
Several pollutant concentrations in ambient air in time interval Δ T, pollutant concentration include SO2Concentration, NOxConcentration and O3Concentration,
Wherein, time interval Δ T is 3-5 minutes；
Step 102, pollutant concentration is transferred to the data processing memory module by the detection module；
Step 103, the data processing memory module receives pollutant concentration；
Step 104, the data processing memory module calculates pollutant concentration mean value, the pollution according to pollutant concentration
Object concentration mean value includes SO2Ambient concentration average value C0,SO2、NOxAmbient concentration average value C0,NOxAnd O3Ambient concentration put down
Mean value C0,O3；
Step 105, the pollutant concentration mean value is transferred to the ground controller by the data processing memory module；
Step 106, the pollutant concentration mean value is sent to the display screen by the ground controller；
Step 107, the display screen receives the pollutant concentration mean value and shows.
As further improvement of the invention, step 2 specifically includes：
Step 201, the ground controller transmission starts detection instruction to the data processing memory module；
Step 202, the data processing memory module receive start detection instruction after, the low latitude trace detection is controlled to put down
Platform flight to monitoring region specified altitude assignment, wherein, the data processing memory module is from the position sensor and the height
Position data and altitude information that sensor obtains aerial detection unit are spent, judges whether the specified altitude assignment in position monitoring region；
Step 203, the ground controller controls the low latitude by the way that the data processing memory module is given to send instruction
Trace detection platform flies to wind direction under ship chimney；
Step 204, the ground controller controls the low latitude trace detection platform to rotate to the track up device pair
The detected ship of standard；
Step 205, the track up device shooting is detected ship photo, and is sent to the data processing storage mould
The detected ship photo is sent to the ground controller by block, the data processing memory module；
Step 206, the detection module continuously acquires pollutant concentration, and is sent to the data processing storage mould simultaneously
Block；
Step 207, the data processing memory module is by the pollutant concentration of reception, and in chronological sequence sequential storage is into dirt
Contaminate object concentration sequence CT, the pollutant concentration sequence CTIncluding SO2Concentration sequence CT,SO2、NOxConcentration sequence CT,NOxAnd O3Concentration
Sequence CT,O3。
As further improvement of the invention, step 3 specifically includes：
Step 301, the data processing memory module analysis pollutant concentration sequence CT, judge continuous two time datas
The pollutant concentration C of T0 and T1T0And CT1Whether SO is met simultaneously2Concentration CT1,SO2>15ppb and SO2Concentration changing value CT1,SO2-
CT0,SO2>3ppb turns to step 302 if meeting, and otherwise turns to step 203；
Step 302, the data processing memory module judges T1 moment pollutant concentrations CT1Whether C is met simultaneouslyT1,NOx>
C0,NOx、CT1,SO2>C0,SO2And CT1,O3<C0,O3, step 303 is turned to if meeting；
Step 303, the data processing memory module judges pollutant concentration sequence C one by one in chronological orderTDuring middle T1
Pollutant concentration data C after quarterTxWhether meet plume decision condition simultaneously, stop until being unsatisfactory for the plume decision condition
Only judge, if meeting the plume decision condition always, record maximum duration and be set as 20 minutes, record the last one satisfaction
It is T2 at the time of the plume decision condition, wherein, the plume decision condition CTx,NOx>C0,NOx、CTx,SO2>C0,SO2And CTx,O3<
C0,O3；
Step 304, the plume event corresponding plume period is T1 to T2, and the data processing memory module records plume
Event pollutant concentration sequence is CT1-T2。
As further improvement of the invention, step 4 specifically includes：
Step 401, the data processing memory module is by the plume event pollutant concentration sequence CT1-T2During by interval
Length is divided into several sections and takes mean value respectively, obtains equal value sequence, the pollutant concentration data SO with the T0 moment2Concentration CT0, SO2And NOx
Concentration CT0, NOxMerge, obtain SO2Concentration mean value sequence CM,SO2And NOxConcentration mean value sequence CM,NOx, wherein, a length of 4 points during interval
Clock；
Step 402, the data processing memory module utilizes bilateral linear least-squares homing method to SO2Concentration mean value
Sequence CM,SO2And NOxConcentration mean value sequence CM,NOxLinear fit is carried out, the slope after being fitted isFitting formula is：
Ci,NOx=a+b × Ci,SO2+εi
In formula, i=1,2 ... ..., M；A, b be fitting coefficient, εiFor error of fitting；
Step 403, the data processing memory module comparesWith the magnitude relationship of decision threshold, if It is then low-sulfur oil for fuel oil used in detected ship, testing result is to have changed oil, if Then it is detected
It is high-sulfur oils to survey fuel oil used in ship, the testing result not change oil, wherein, 5≤decision threshold≤7；
Step 404, the testing result is sent to the ground controller by the data processing memory module, describedly
The detected ship photo and the testing result are sent to the display screen by face controller, described in the display screen is shown
It is detected ship photo and the testing result.
The present invention has the advantages that：It realizes to ship in operation and the detection of resting state, environment can be distinguished
Air and ship discharge reversely judge bunker oil sulfur content, built-in decision condition and algorithm, by nobody according to observation concentration
Machine and pollutant monitoring module, realize the screening to maximum discharge ship, reduce the workload of supervisor, improve and maximum discharge is disliked
The discrimination power of ship is doubted, is quickly provided as a result, taking action convenient for on-site law-enforcing personnel.
Description of the drawings
Fig. 1 is the structure diagram of the aerial detection unit of ship oil change detection systems in first embodiment of the invention.
Fig. 2 controls and receives the structure schematic diagram of unit for the ship oil change detection systems ground in first embodiment of the invention.
Fig. 3 is that ship in fourth embodiment of the invention is changed oil the flow chart of detection method.
Fig. 4 is the NO of typical plume event in fourth embodiment of the inventionxAnd SO2Concentration curve.
Fig. 5 is the linear regression result figure after linear regression fit in fourth embodiment of the invention.
In figure, 1, low latitude trace detection platform；2nd, data processing memory module；3rd, track up device；4th, the first channel radio
Believe module；5th, power module；6th, detection module；7th, ground controller；8th, display screen；9th, the second wireless communication module.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail the present invention.
Embodiment 1, as shown in Figure 1, a kind of ship oil change detection systems, including：
Aerial detection unit：It include low latitude trace detection platform 1 and be fixed on low latitude trace detection platform 1 first
Wireless communication module 4, data processing memory module 2, detection module 6, track up device 3, the first wireless communication module 4 and detection
Module 6 is connect with data processing memory module 2, and data processing memory module 2 is connect with low latitude trace detection platform 1, detects mould
Block 6 includes the NO being connect with data processing memory module 2xSensor, O3Sensor and SO2Sensor；Track up device 3 is located at
The lower section of low latitude trace detection platform 1, track up device 3 are connect with data processing memory module 2.Position sensor is fixed
It on low latitude trace detection platform 1, and is connect with data processing memory module 2, position sensor is GPS module or Beidou navigation
Module or GLONASS navigation modules, height sensor are fixed on low latitude trace detection platform 1, and are stored with data processing
Module 2 connects, power module 5, is fixed on low latitude trace detection platform 1, and power module 5 includes several groups of lithium batteries, electricity
Source module 5 provides power supply for aerial detection unit；
Low latitude trace detection platform 1 is the multi-rotor unmanned aerial vehicle of built-in attitude transducer, and maximum take-off weight requires to reach
To more than 10.5Kg, meanwhile, to meet the reliable and stable of test data, the flight time of low latitude trace detection platform 1 and hovering
Time adds up to should be more than 10 minutes, and for the power of low latitude trace detection platform 1 not less than 4kW, hovering power is not less than 1.5kW；
In practical test process, low latitude trace detection platform 1 needs spot hover in a certain fixed test position, therefore
Flight control system is needed to have high accuracy.Meanwhile influenced by flight environment of vehicle, it needs to fly low latitude trace detection platform
1 has certain wind loading rating (more than Pyatyi) and antijamming capability；
NOxSensor, O3Sensor and SO2The coupling accuracy of sensor is 1ppb ranks, being capable of institute in Accurate Determining air
Containing pollutant concentration；NOxSensor, O3Sensor and SO2Resolution ratio >=0.1Hz of sensor can reach interior in short-term and obtain greatly
The requirement of data is measured, so as to reduce the flight time；
3 one side of track up device is used for the acquisition of image data, is on the other hand used to judge and determine test system
Practical to measure orientation, the resolution ratio of device for shooting reaches that high definition, image quality be high and the orientation angles range of shooting is big, meets ship
Identification and the requirement for measuring orientation；
Ground controls and receives unit：It is used to control aerial detection unit, and ground controls and receives unit and controlled including ground
Device 7 and 8 and second wireless communication module 9 of display screen being fixed on ground controller 7, ground controller 7 connect with display screen 8
It connects, ground controller 7 is connect with the second wireless communication module 9, and ground controller 7 passes through the second wireless communication module 9 and
One wireless communication module 4 is wirelessly communicated with data processing memory module 2；
Ground controls and receives unit, can control the flying speed of aerial detection unit, height, horizontal position, overhead suspension
Stop posture etc., there is larger transmitting and receive power, while there is higher manipulation ability and sensitivity, overcome as condition
The influence of (such as wind-force, visibility etc.), depth of building and safety factor etc.；
First wireless communication module 4 and the second wireless communication module 9 composition wireless telecommunication system, main application is passes in real time
Defeated platform test data and flying quality have preferable antijamming capability, ensure that the real-time accurate of test and flying quality.
Embodiment 2, the difference lies in the first wireless communications with the ship oil change detection systems described in first embodiment
Module 4, data processing memory module 2, detection module 6, track up device 3 and power module 5 are fixed on bank, implement with first
Example is compared, and the present embodiment can reduce detection efficiency.
Embodiment 3, with the ship oil change detection systems described in first embodiment the difference lies in, detection module 6 by
CO2Sensor substitutes NOxSensor, compared with first embodiment, the present embodiment uses CO2The concentration data of sensor is as plan
Parameter is closed, because of CO in air2Concentration is larger, differs greatly between different zones, and the uncertain of result will be caused to increase.
Embodiment 4, as shown in figure 5, the detection method based on the ship oil change detection systems described in first embodiment, packet
It includes：
Step 1, detection prepares：Monitoring area is obtained without under plume situation, pollutant concentration is averaged in ambient air
Value, specifically includes：
Step 101, detection module 6 utilizes NOxSensor, O3Sensor and SO2Sensor acquisition time interval Δ T inner ring
Several pollutant concentrations in the air of border, pollutant concentration include SO2Concentration, NOxConcentration and O3Concentration, wherein, time interval Δ
T is 3-5 minutes；
Step 102, pollutant concentration is transferred to data processing memory module 2 by detection module 6；
Step 103, data processing memory module 2 receives pollutant concentration；
Step 104, data processing memory module 2 calculates pollutant concentration mean value, pollutant concentration according to pollutant concentration
Mean value includes SO2Ambient concentration average value C0,SO2、NOxAmbient concentration average value C0,NOxAnd O3Ambient concentration average value
C0,O3；
Step 105, pollutant concentration mean value is transferred to ground controller 7 by data processing memory module 2；
Step 106, pollutant concentration mean value is sent to display screen 8 by ground controller 7；
Step 107, display screen 8 receives pollutant concentration mean value and shows；
Step 2, monitoring area detection data is obtained：Detection module 6 continuously acquires the SO of ambient air2Concentration, NOxConcentration
And O3Concentration, and data processing memory module 2 is sent to, it specifically includes：
Step 201, the transmission of ground controller 7 starts detection instruction to data processing memory module 2；
Step 202, data processing memory module 2 receive start detection instruction after, control low latitude trace detection platform 1 fly
To the specified altitude assignment in monitoring region, wherein, data processing memory module 2 obtains aerial inspection from position sensor and height sensor
The position data and altitude information of unit are surveyed, judges whether the specified altitude assignment in position monitoring region；
Step 203, ground controller 7 by the way that data processing memory module 2 is given to send instruction, put down by control low latitude trace detection
Wind direction under platform 1 flies to ship chimney；
Step 204, ground controller 7 controls low latitude trace detection platform 1 to rotate to track up device 3 and is directed at detected ship
Oceangoing ship；
Step 205, the shooting of track up device 3 is detected ship photo, and be sent to data processing memory module 2, data
Detected ship photo is sent to ground controller 7 by processing memory module 2；
Step 206, detection module 6 continuously acquires pollutant concentration, and is sent to data processing memory module 2 simultaneously；
Step 207, data processing memory module 2 is by the pollutant concentration of reception, and in chronological sequence sequential storage is into pollution
Object concentration sequence CT, pollutant concentration sequence CTIncluding SO2Concentration sequence CT,SO2、NOxConcentration sequence CT,NOxAnd O3Concentration sequence
CT,O3；
Step 3, plume event is screened：Data processing memory module 2 is according to SO2Concentration, NOxConcentration and O3Concentration and environment
Pollutant concentration average value judges whether ship plume event in air, if it is present step 4 is turned to, if do not deposited
Step 2 is then being turned to, is being specifically included：
Step 301, data processing memory module 2 analyzes pollutant concentration sequence CT, judge continuous two time data T0
With the pollutant concentration C of T1T0And CT1Whether SO is met simultaneously2Concentration CT1,SO2>15ppb and SO2Concentration changing value CT1,SO2-
CT0,SO2>3ppb turns to step 302 if meeting, and otherwise turns to step 203；
Step 302, data processing memory module 2 judges T1 moment pollutant concentrations CT1Whether C is metT1,NOx>C0,NOx、
CT1,SO2>C0,SO2And CT1,O3<C0,O3, step 303 is turned to if meeting；
Step 303, data processing memory module 2 judges pollutant concentration sequence C one by one in chronological orderTThe middle T1 moment it
Pollutant concentration data C afterwardsTxWhether meet plume decision condition simultaneously, stop judging until being unsatisfactory for plume decision condition,
If meeting plume decision condition always, record maximum duration and be set as 20 minutes, record the last one and meet plume judgement item
It is T2 at the time of part, wherein, the plume decision condition CTx,NOx>C0,NOx、CTx,SO2>C0,SO2And CTx,O3<C0,O3；
Step 304, the plume event corresponding plume period is T1 to T2, and data processing memory module 2 records plume thing
Part pollutant concentration sequence is CT1-T2；
Step 4, judge the oily type of ship：According to NOxConcentration and SO2The ratio of concentration judges that ship with oil is high-sulfur oils
Or low-sulfur oil, specifically includes：
Step 401, as shown in figure 4, data processing memory module 2 is by plume event pollutant concentration sequence CT1-T2During except T2
The pollutant concentration data SO at quarter2Concentration CT2, SO2And NOxConcentration CT2, NOx, remaining pollutant concentration data by interval duration be divided into
Several sections take mean value respectively, obtain equal value sequence, the pollutant concentration data SO with the T2 moment2Concentration CT2, SO2And NOxConcentration
CT2, NOxMerge, obtain SO2Concentration mean value sequence CM,SO2And NOxConcentration mean value sequence CM,NOx, wherein, a length of 4 minutes during interval,
The pollutant concentration at T2 moment is the pollutant concentration detected value of plume near zone, and fitting meter is participated in as environmental background value
It calculates；
Step 402, as shown in figure 5, data processing memory module 2 utilizes bilateral linear least-squares homing method to SO2
Concentration mean value sequence CM,SO2And NOxConcentration mean value sequence CM,NOxLinear fit is carried out, the slope after being fitted isFitting is public
Formula is：
Ci,NOx=a+b × Ci,SO2+εi (1)
In formula, i=1,2 ... ..., M；A, b be fitting coefficient, εiFor error of fitting；
The specific steps of step 402 include：
Step 4021, SO is calculated2Concentration mean value sequence CM,SO2And NOxConcentration mean value sequence CM,NOxMean value,
In formula,For SO2Concentration mean value sequence CM,SO2Mean value,For NOxConcentration mean value sequence CM,NOxMean value；
Step 4022, the match value of b is calculated
Step 403, data processing memory module 2 comparesWith the magnitude relationship of decision threshold, if Then
It is low-sulfur oil for fuel oil used in detected ship, testing result is to have changed oil, if It is then detected used in ship
Fuel oil is high-sulfur oils, testing result not change oil, wherein, 5≤decision threshold≤7, in the present embodiment, decision threshold is preferably
6.5；
Step 404, testing result is sent to ground controller 7 by data processing memory module 2, and ground controller 7 will be by
Detection ship photo and testing result are sent to display screen 8, and the display of display screen 8 is detected ship photo and testing result.
Based on actually detected, 16 groups of plumes calculate and judging result is as shown in the table：
The present invention has the advantages that：It realizes to ship in operation and the detection of resting state, environment can be distinguished
Air and ship discharge reversely judge bunker oil sulfur content, built-in decision condition and algorithm, by nobody according to observation concentration
Machine and pollutant monitoring module, realize the screening to maximum discharge ship, reduce the workload of supervisor, improve and maximum discharge is disliked
The discrimination power of ship is doubted, is quickly provided as a result, taking action convenient for on-site law-enforcing personnel.
Those skilled in the art is not under conditions of the spirit and scope of the present invention that claims determine are departed from, also
Various modifications can be carried out to more than content.Therefore the scope of the present invention be not limited in more than explanation, but by
The range of claims is come determining.
Claims (10)
1. a kind of ship oil change detection systems, for detecting sulfur content oily used in ship, which is characterized in that including：
Aerial detection unit：It includes low latitude trace detection platform (1) and is fixed on the low latitude trace detection platform (1)
First wireless communication module (4), data processing memory module (2), detection module (6), first wireless communication module (4) and
The detection module (6) connect with the data processing memory module (2), the data processing memory module (2) with it is described low
The connection of empty trace detection platform (1), the detection module (6) include the NO that is connect with the data processing memory module (2)xIt passes
Sensor, O3Sensor and SO2Sensor；
Ground controls and receives unit：It is used to control the aerial detection unit (6), and the ground controls and receives unit and includes ground
Face controller (7) and the display screen (8) being fixed on the ground controller (7) and the second wireless communication module (9), describedly
Face controller (7) is connect with the display screen (8), and the ground controller (7) connects with second wireless communication module (9)
Connect, and the ground controller (7) by second wireless communication module (9) and first wireless communication module (4) with
Data processing memory module (2) wireless communication.
2. ship oil change detection systems according to claim 1, which is characterized in that the NOxSensor, the O3Sensing
Device and the SO2The coupling accuracy of sensor is 1ppb ranks；
The NOxSensor, the O3Sensor and the SO2Resolution ratio >=0.1Hz of sensor.
3. ship oil change detection systems according to claim 1, which is characterized in that the aerial detection unit further includes：
Track up device (3) is fixed below the low latitude trace detection platform (1), the track up device (3) with it is described
Data processing memory module (2) connects.
4. ship oil change detection systems according to claim 1, which is characterized in that the aerial detection unit further includes：
Position sensor is fixed on the low latitude trace detection platform (1), and with the data processing memory module (2)
Connection, the position sensor are GPS module or Beidou navigation module or GLONASS navigation modules；
Height sensor is fixed on the low latitude trace detection platform (1), and with the data processing memory module (2)
Connection.
5. according to claim 1-4 any one of them ship oil change detection systems, which is characterized in that further include power module
(5), it is fixed on the low latitude trace detection platform (1), the power module (5) includes several groups of lithium batteries, the electricity
Source module (5) provides power supply for the aerial detection unit.
6. the detection method based on claim 1-5 any one of them ship oil change detection systems, which is characterized in that including：
Step 1, detection prepares：Monitoring area is obtained without under plume situation, pollutant concentration average value in ambient air；
Step 2, monitoring area detection data is obtained：The detection module (6) continuously acquires the SO of ambient air2Concentration, NOxIt is dense
Degree and O3Concentration, and it is sent to the data processing memory module (2)；
Step 3, plume event is screened：The data processing memory module (2) is according to the SO2Concentration, NOxConcentration and O3Concentration
Ship plume event is judged whether with pollutant concentration average value in the ambient air, if it is present turning to step
4, if there is no then turning to step 2；
Step 4, judge the oily type of ship：According to NOxConcentration and SO2The ratio of concentration, judge ship with oil be high-sulfur oils or
Low-sulfur oil.
7. detection method according to claim 6, which is characterized in that step 1 specifically includes：
Step 101, the detection module (6) utilizes the NOxSensor, the O3Sensor and the SO2When sensor acquires
Between several pollutant concentrations, pollutant concentration include SO in ambient air in interval Δ T2Concentration, NOxConcentration and O3Concentration,
In, time interval Δ T is 3-5 minutes；
Step 102, pollutant concentration is transferred to the data processing memory module (2) by the detection module (6)；
Step 103, the data processing memory module (2) receives pollutant concentration；
Step 104, the data processing memory module (2) calculates pollutant concentration mean value, the pollution according to pollutant concentration
Object concentration mean value includes SO2Ambient concentration average value C0,SO2、NOxAmbient concentration average value C0,NOxAnd O3Ambient concentration put down
Mean value C0,O3；
Step 105, the pollutant concentration mean value is transferred to the ground controller by the data processing memory module (2)
(7)；
Step 106, the pollutant concentration mean value is sent to the display screen (8) by the ground controller (7)；
Step 107, the display screen (8) receives the pollutant concentration mean value and shows.
8. detection method according to claim 6, which is characterized in that step 2 specifically includes：
Step 201, the ground controller (7), which sends, starts detection instruction to the data processing memory module (2)；
Step 202, the data processing memory module (2) receive start detection instruction after, the low latitude trace detection is controlled to put down
Platform (1) flight to monitoring region specified altitude assignment, wherein, the data processing memory module (2) from the position sensor and
The height sensor obtains the position data and altitude information of aerial detection unit, judges whether the specified of position monitoring region
Highly；
Step 203, for the ground controller (7) by the way that the data processing memory module (2) is given to send instruction, control is described low
Empty trace detection platform (1) is flown to wind direction under ship chimney；
Step 204, the ground controller (7) controls low latitude trace detection platform (1) rotation to the track up device
(3) it is aligned and is detected ship；
Step 205, track up device (3) shooting is detected ship photo, and be sent to the data processing memory module
(2), the detected ship photo is sent to the ground controller (7) by the data processing memory module (2)；
Step 206, the detection module (6) continuously acquires pollutant concentration, and is sent to the data processing storage mould simultaneously
Block (2)；
Step 207, the data processing memory module (2) is by the pollutant concentration of reception, and in chronological sequence sequential storage is into dirt
Contaminate object concentration sequence CT, the pollutant concentration sequence CTIncluding SO2Concentration sequence CT,SO2、NOxConcentration sequence CT,NOxAnd O3Concentration
Sequence CT,O3。
9. detection method according to claim 6, which is characterized in that step 3 specifically includes：
Step 301, data processing memory module (2) the analysis pollutant concentration sequence CT, judge continuous two time data T0
With the pollutant concentration C of T1T0And CT1Whether SO is met simultaneously2Concentration CT1,SO2>15ppb and SO2Concentration changing value CT1,SO2-
CT0,SO2>3ppb turns to step 302 if meeting, and otherwise turns to step 203；
Step 302, the data processing memory module (2) judges T1 moment pollutant concentrations CT1Whether C is met simultaneouslyT1,NOx>
C0,NOx、CT1,SO2>C0,SO2And CT1,O3<C0,O3, step 303 is turned to if meeting, otherwise turns to step 203；
Step 303, the data processing memory module (2) judges pollutant concentration sequence C one by one in chronological orderTThe middle T1 moment
Pollutant concentration data C laterTxWhether meet plume decision condition simultaneously, stop until being unsatisfactory for the plume decision condition
Judge, if meeting the plume decision condition always, record maximum duration and be set as 20 minutes, record the last one and meet institute
It is T2 at the time of stating plume decision condition, wherein, the plume decision condition CTx,NOx>C0,NOx、CTx,SO2>C0,SO2And CTx,O3<
C0,O3；
Step 304, the plume event corresponding plume period is T1 to T2, and the data processing memory module (2) records plume
Event pollutant concentration sequence is CT1-T2。
10. detection method according to claim 6, which is characterized in that step 4 specifically includes：
Step 401, the data processing memory module (2) is by the plume event pollutant concentration sequence CT1-T2By interval duration
It is divided into several sections and takes mean value respectively, obtains equal value sequence, the pollutant concentration data SO with the T0 moment2Concentration CT0, SO2And NOxIt is dense
Spend CT0, NOxMerge, obtain SO2Concentration mean value sequence CM,SO2And NOxConcentration mean value sequence CM,NOx, wherein, a length of 4 points during interval
Clock；
Step 402, the data processing memory module (2) utilizes bilateral linear least-squares homing method to SO2Concentration mean value sequence
Arrange CM,SO2And NOxConcentration mean value sequence CM,NOxLinear fit is carried out, the slope after being fitted isFitting formula is：
Ci,NOx=a+b × Ci,SO2+εi
In formula, i=1,2 ... ..., M；A, b be fitting coefficient, εiFor error of fitting；
Step 403, the data processing memory module (2) is comparedWith the magnitude relationship of decision threshold, if
It is then low-sulfur oil for fuel oil used in detected ship, testing result is to have changed oil, if Then it is detected ship institute
Be high-sulfur oils with fuel oil, the testing result not change oil, wherein, 5≤decision threshold≤7；
Step 404, the testing result is sent to the ground controller (7) by the data processing memory module (2), described
The detected ship photo and the testing result are sent to the display screen (8), the display screen by ground controller (7)
(8) the detected ship photo and the testing result are shown.
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