CN105867253A - Waste gas treatment method - Google Patents
Waste gas treatment method Download PDFInfo
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- CN105867253A CN105867253A CN201610347161.7A CN201610347161A CN105867253A CN 105867253 A CN105867253 A CN 105867253A CN 201610347161 A CN201610347161 A CN 201610347161A CN 105867253 A CN105867253 A CN 105867253A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000002912 waste gas Substances 0.000 title claims abstract description 13
- 238000001914 filtration Methods 0.000 claims description 98
- 238000001514 detection method Methods 0.000 claims description 25
- 238000009826 distribution Methods 0.000 claims description 24
- 230000002708 enhancing effect Effects 0.000 claims description 21
- 238000003860 storage Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 18
- 230000004048 modification Effects 0.000 claims description 17
- 238000012986 modification Methods 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 16
- 238000012360 testing method Methods 0.000 claims description 9
- 230000009466 transformation Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000003672 processing method Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000011897 real-time detection Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G06T5/70—
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20024—Filtering details
- G06T2207/20032—Median filtering
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30204—Marker
Abstract
The invention relates to a waste gas treatment method. The method comprises steps as follows: 1) a waste gas treatment device is provided and comprises a position sensor, an image height measurement device, a servo motor and an MSP430 single chip microcomputer, wherein the position sensor and the image height measurement device are both used for detecting current height of the device, the MSP430 single chip microcomputer is connected with the position sensor, the image height measurement device and the servo motor respectively and used for controlling the servo motor on the basis of output of the position sensor and the image height measurement device, and the servo motor is used for controlling the height of the device; 2) the device is used.
Description
Technical field
The present invention relates to field of environment protection equipment, particularly relate to a kind of waste gas processing method.
Background technology
In industrial undertaking, production process, often produce a lot of waste gas, waste gas include sulfide,
The harmful substances such as itrated compound, carbon monoxide, dust, solid particle, the requirement to environment at present
More and more higher, there is process exhaust device in major part enterprise, but existing process exhaust device is deposited
At its own shortcomings: 1) structure complexity, it is divided into reaction tower, chiller, processing means etc., becomes
This height, waste gas filter effect is not so good, general filtration of particulate matters or only mistake when waste gas filters
After filter harmful gas, just directly outer row, cause the waste gas after filtering still can not be the most up to standard；2)
Complete set of equipments, changes, keeps in repair trouble, if being changed without defecator for a long time, in waste gas
Harmful substance can excessively be trapped, and causes defecator blocking, reduction effect；3) filter efficiency
Relatively low, exhaust temperature is high.
Summary of the invention
According to an aspect of the present invention, it is provided that a kind of waste gas processing method, the method includes:
1) providing a kind of emission-control equipment, described device includes that position sensor, image are surveyed height and set
Standby, servomotor and MSP430 single-chip microcomputer, position sensor and image are surveyed high equipment and are all used for
The present level of detection device, MSP430 single-chip microcomputer surveys height with position sensor, image respectively
Equipment and servomotor connect, for surveying the output control of high equipment based on position sensor and image
Servomotor processed, servomotor is used for regulation device height；2) described device is used.
More specifically, in described emission-control equipment, including: position sensor, it is positioned at dress
The downside put, for the current location of real-time detection apparatus, and based on current location with default
Ground location determines that the height of device is using as the second device height output；Solar energy detection equipment,
It is positioned on described device, detects current solar energy intensity in real time；Power supply unit, including
Solar powered device, accumulator, switching switch and electric pressure converter, switching switch respectively with
Solar energy detection equipment, solar powered device and accumulator connect, when the residue electricity of accumulator
When measuring not enough and current solar energy intensity optionally greater than preset strength, it is switched to solar powered
Device is to be powered by solar powered device, and electric pressure converter is connected with switching switch, leading to
The 5V voltage crossing switching switch input is converted to 3.3V voltage, the most solar powered device
It is positioned on described device；Wireless charging device, connects with solar energy detection equipment and accumulator respectively
Connect, when the solar energy intensity that the dump energy of accumulator is not enough and current is less than preset strength,
Set up with neighbouring wireless charging terminal and be connected to start wireless charging operation, wireless charging device
Also it is connected with electric pressure converter to realize voltage conversion；CMOS sensing equipment, is positioned at device
The middle position of downside, carries out shooting to obtain high-definition terrestrial image below facing device；
Spatial domain picture strengthens equipment, is connected with CMOS sensing equipment to receive high-definition terrestrial image,
Including direct greyscale transformation subset and histogram modification subset, direct greyscale transformation subset
It is connected with CMOS sensing equipment, for high-definition terrestrial image is performed at direct greyscale transformation
Managing to obtain the first enhancing image, histogram modification subset is with direct greyscale transformation subset even
Connect, for receiving the first enhancing image, and the first enhancing image execution histogram modification is processed
To obtain the second enhancing image, wherein, direct greyscale transform process uses logarithmic function to high definition
Each pixel value of ground image carries out computing, and each pixel value after computing is formed the
One strengthens image, and histogram modification processes and changes the first enhancing by the histogrammic shape of change
The gray scale layout of image is to strengthen the first enhancing image, it is thus achieved that second strengthens image；Wiener filtering
Equipment, the histogram modification subset strengthening equipment with spatial domain picture is connected, for reception second
Strengthen image, and strengthen image to second and perform the first Filtering Processing to obtain the first filtering image,
Wherein the first Filtering Processing is for making the first filtering image and second strengthen the mean square error of image
Difference is minimum to remove the speckle noise in the second enhancing image and white noise；Modified model medium filtering
Equipment, is connected to obtain the first filtering image with Wiener filtering equipment, sets including noise measuring
Standby, module selects subset and Filtering Processing subset, noise measuring subset and Wiener filtering
Equipment connects, every by being analyzed the gray value of the pixel of the first filtering image determining
The distribution radius in one noise profile region, and by the distribution radius in each noise profile region
Maximum export as maximum distribution radius, module selects subset and noise measuring subset
Connect, be used for receiving maximum distribution radius, and select to carry out intermediate value filter based on maximum distribution radius
The filtration module of ripple, Filtering Processing subset selects son to set with Wiener filtering equipment and module respectively
Standby connection, for carrying out medium filtering process based on the filtration module selected to the first filtering image
To obtain the second filtering image, wherein medium filtering processes and includes for every in the first filtering image
One pixel carries out following process as target pixel points: with target pixel points in the first filtering
Position in image is taken out many as the centre of form of the filtration module selected in the first filtering image
Individual pixel, as multiple reference image vegetarian refreshments, takes the maximum in the pixel value of multiple reference image vegetarian refreshments
Value and minima, using as pixel maximum and pixel minimum, determine pixel maximum and pixel
The meansigma methods of minima is using as pixel average, for each reference image vegetarian refreshments, if its
Pixel value is less than pixel average, then replace its pixel value, if its pixel value is more than with 0
In pixel average, then retain its pixel value, finally by the pixel value of multiple reference image vegetarian refreshments
Meansigma methods exports as the pixel value of target pixel points；Mark Detection equipment, respectively with FLASH
Storage device and modified model medium filtering equipment connect, by pixel gray scale in the second filtering image
The all pixels composition mark subimage being worth in mark intensity value ranges, will indicate subimage
In pixel sum be compared to determine and defeated with the pixel sum of reference mark image
Go out first device height；FLASH storage device, is used for having prestored reference mark image,
Reference mark image is the original image of test pattern mark；Servomotor, is positioned near device,
Be connected to receive present apparatus height with MSP430 single-chip microcomputer, based on present apparatus height and
Preset device height and determine motor drive signal, and based on motor drive signal by telescoping shoring column
It is driven into default device height；Telescoping shoring column, is positioned at the lower section of device, is connected with device,
Also it is connected with servomotor, for carrying out scaling operation under the control of servomotor to drive dress
Put and vertically move；MSP430 single-chip microcomputer, respectively with Mark Detection equipment, position sensor,
Servomotor and FLASH storage device connect, and are used for receiving first device height and the second dress
Degree of setting high, based on the first elevation weight value, first device height, the second elevation weight value and
Two devices height determines present apparatus height, and at present apparatus height more than or equal to preset height
During higher limit, the too high signal of issue device, under present apparatus height is less than or equal to preset height
During limit value, issue device crosses low signal；Wireless Telecom Equipment, is connected with MSP430 single-chip microcomputer,
It is sent to the management and control center of far-end for too high for device signal or device are crossed low signal；Wherein,
Module selects subset to select to carry out the filtration module bag of medium filtering based on maximum distribution radius
Including: maximum distribution radius is the biggest, the filtration module carrying out medium filtering of selection is the biggest, maximum
Distribution radius is the least, and the filtration module carrying out medium filtering of selection is the least；Wherein, module choosing
Select filtration module selective in subset and include 3 × 3,5 × 5,7 × 7 and 9 × 9；Wherein,
FLASH storage device also prestored default device height, the first elevation weight value,
Two elevation weight values, preset height higher limit and preset height lower limit；Wherein, FLASH
Storage device is connected with Mark Detection equipment, servomotor and MSP430 single-chip microcomputer the most respectively；
Wherein, test pattern traffic sign placement below device, test pattern mark be shaped as triangle,
Square or circular；Wherein, Mark Detection equipment by mark subimage in pixel sum with
The pixel sum of reference mark image is compared to determine and exports first device height bag
Include: the pixel sum in mark subimage obtains divided by the pixel sum of reference mark image
Numerical value the biggest, the numerical value of first device height is the least, mark subimage in pixel sum
The numerical value obtained divided by the pixel sum of reference mark image is the least, the number of first device height
It is worth the biggest.
More specifically, in described emission-control equipment: Wireless Telecom Equipment includes wireless receiving
Unit and wireless transmission unit.
More specifically, in described emission-control equipment: CMOS sensing equipment also includes auxiliary
Power supply, for providing floor light light to the shooting of high-definition terrestrial image.
More specifically, in described emission-control equipment: FLASH storage device, mark inspection
Measurement equipment and MSP430 single-chip microcomputer are integrated on one piece of surface-mounted integrated circuit.
More specifically, in described emission-control equipment: solar powered device includes solar energy
Photovoltaic panel.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram according to the emission-control equipment shown in embodiment of the present invention.
Fig. 2 is that the radio communication according to the emission-control equipment shown in embodiment of the present invention sets
Standby block diagram.
Reference: 1 position sensor；2 images survey high equipment；3 servomotors；4
MSP430 single-chip microcomputer；5 radio receiving units；6 wireless transmission unit
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of the emission-control equipment of the present invention is carried out in detail
Explanation.
Fig. 1 is the block diagram according to the emission-control equipment shown in embodiment of the present invention,
Described device includes that position sensor, image survey high equipment, servomotor and MSP430 monolithic
Machine, position sensor and image are surveyed high equipment and are all used for detecting the present level of device, MSP430
Single-chip microcomputer is surveyed high equipment and servomotor with position sensor, image respectively and is connected, be used for based on
Position sensor and image are surveyed the output of high equipment and are controlled servomotor, and servomotor is used for regulating and controlling
Device height.
Then, continue the concrete structure of the emission-control equipment of the present invention is carried out further
Bright.
Described device includes: position sensor, is positioned at the downside of device, for detection in real time
The current location of device, and based on current location and default ground location determine the height of device with
As the second device height output.
Described device includes: solar energy detection equipment, is positioned on described device, for inspection in real time
Survey current solar energy intensity；Power supply unit, including solar powered device, accumulator, cuts
Change switch and electric pressure converter, switching switch respectively with solar energy detection equipment, solar powered
Device and accumulator connect, and the solar energy intensity not enough and current when the dump energy of accumulator is high
When equal to preset strength, it is switched to solar powered device to be powered by solar powered device,
Electric pressure converter is connected with switching switch, will be changed by the 5V voltage of switching switch input
For 3.3V voltage, the most solar powered device is positioned on described device.
Described device includes: wireless charging device, respectively with solar energy detection equipment and accumulator
Connect, when the solar energy intensity that the dump energy of accumulator is not enough and current is less than preset strength,
Set up with neighbouring wireless charging terminal and be connected to start wireless charging operation, wireless charging device
Also it is connected with electric pressure converter to realize voltage conversion.
Described device includes: CMOS sensing equipment, is positioned at the middle position of the downside of device,
Carry out shooting to obtain high-definition terrestrial image below facing device.
Described device includes: spatial domain picture strengthen equipment, be connected with CMOS sensing equipment with
Receive high-definition terrestrial image, including direct greyscale transformation subset and histogram modification subset,
Directly greyscale transformation subset is connected with CMOS sensing equipment, for high-definition terrestrial image
Performing direct greyscale transform process and strengthen image to obtain first, histogram modification subset is with straight
Ash degree varitron equipment connects, and for receiving the first enhancing image, and strengthens image to first
Perform histogram modification to process to obtain the second enhancing image, wherein, direct greyscale transform process
Use logarithmic function that each pixel value of high-definition terrestrial image is carried out computing, after computing
Each pixel value composition the first enhancing image, histogram modification processes by changing histogrammic
Shape changes the gray scale layout of the first enhancing image to strengthen the first enhancing image, it is thus achieved that second
Strengthen image.
Described device includes: Wiener filtering equipment, and the rectangular histogram strengthening equipment with spatial domain picture is repaiied
Positive subset connection, for receiving the second enhancing image, and strengthens image execution first to second
Filtering Processing is to obtain the first filtering image, and wherein the first Filtering Processing is used for so that the first filtering
The mean square error that image and second strengthens image is minimum to remove the speckle in the second enhancing image
Noise and white noise.
Described device includes: modified model medium filtering equipment, is connected to obtain with Wiener filtering equipment
Obtain the first filtering image, select subset and Filtering Processing including noise measuring subset, module
Subset, noise measuring subset is connected with Wiener filtering equipment, by the first filtering image
The gray value of pixel be analyzed determining the distribution radius in each noise profile region,
And the maximum in the distribution radius in each noise profile region is defeated as maximum distribution radius
Going out, module selects subset to be connected with noise measuring subset, is used for receiving maximum distribution radius,
And the filtration module of medium filtering, Filtering Processing subset is selected to carry out based on maximum distribution radius
Subset is selected to be connected with Wiener filtering equipment and module respectively, for based on the filtering mould selected
Block carries out medium filtering and processes to obtain the second filtering image, wherein intermediate value the first filtering image
Filtering Processing includes clicking on as object pixel for each pixel in the first filtering image
Row is following to be processed: using target pixel points position in the first filtering image as the filtering selected
The centre of form of module takes out multiple pixel as multiple reference image vegetarian refreshments in the first filtering image,
Take the maximum in the pixel value of multiple reference image vegetarian refreshments and minima using as pixel maximum
And pixel minimum, determine that the meansigma methods of pixel maximum and pixel minimum is to put down as pixel
Average, for each reference image vegetarian refreshments, if its pixel value is less than pixel average, then uses
0 replaces its pixel value, if its pixel value is more than or equal to pixel average, then retains its pixel
Value, finally using the meansigma methods of the pixel value of multiple reference image vegetarian refreshments as the pixel of target pixel points
Value output.
Described device includes: Mark Detection equipment, respectively with FLASH storage device and improvement
Type medium filtering equipment connects, by pixel gray value in the second filtering image at mark gray value
In the range of all pixels composition mark subimage, will mark subimage in pixel sum
It is compared to determine with the pixel sum of reference mark image and exports first device height.
Described device includes: FLASH storage device, is used for having prestored reference mark figure
Picture, reference mark image is the original image of test pattern mark.
Described device includes: servomotor, is positioned near device, with MSP430 single-chip microcomputer even
Connect for receiving present apparatus height, determine electricity based on present apparatus height and default device height
Machine drives signal, and based on motor drive signal, telescoping shoring column is driven into default device height；
Telescoping shoring column, is positioned at the lower section of device, is connected with device, be also connected with servomotor, uses
Vertically move with driving device in carrying out scaling operation under the control of servomotor.
Described device includes: MSP430 single-chip microcomputer, passes with Mark Detection equipment, position respectively
Sensor, servomotor and FLASH storage device connect, be used for receiving first device height and
Second device height, based on the first elevation weight value, first device height, the second elevation weight
Value and the second device height determine present apparatus height, and at present apparatus height more than or equal to pre-
If during height upper limit value, the too high signal of issue device, at present apparatus height less than or equal to presetting
During height lower limit, issue device crosses low signal.
Described device includes: Wireless Telecom Equipment, is connected with MSP430 single-chip microcomputer, and being used for will
The too high signal of device or device are crossed low signal and are sent to the management and control center of far-end.
Wherein, module selects subset to select to carry out the filter of medium filtering based on maximum distribution radius
Mode block includes: maximum distribution radius is the biggest, and the filtration module carrying out medium filtering of selection is more
Greatly, maximum distribution radius is the least, and the filtration module carrying out medium filtering of selection is the least.
Wherein, module selects selective filtration module in subset to include 3 × 3, and 5 × 5,7
× 7 and 9 × 9.
Wherein, FLASH storage device has also prestored default device height, the first height
Weighted value, the second elevation weight value, preset height higher limit and preset height lower limit.
Wherein, FLASH storage device the most respectively with Mark Detection equipment, servomotor and
MSP430 single-chip microcomputer connects.
Wherein, test pattern traffic sign placement below device, test pattern mark be shaped as three
Dihedral, square or circular.
Wherein, Mark Detection equipment is by the pixel sum in mark subimage and reference mark figure
The pixel sum of picture is compared to determine and exports first device height to include: mark subgraph
Pixel sum in Xiang is the biggest divided by the numerical value of the pixel sum acquisition of reference mark image,
The numerical value of first device height is the least, and the pixel sum in mark subimage is divided by reference mark
The numerical value that the pixel sum of image obtains is the least, and the numerical value of first device height is the biggest.
Alternatively, in described platform: as in figure 2 it is shown, Wireless Telecom Equipment includes wireless connecing
Receive unit and wireless transmission unit；CMOS sensing equipment also includes accessory power supply, for height
The shooting of clear ground image provides floor light light；FLASH storage device, Mark Detection set
Standby and MSP430 single-chip microcomputer is integrated on one piece of surface-mounted integrated circuit；And solar energy electric supplier
Part includes solar energy photovoltaic panel.
It addition, CMOS (Complementary Metal-Oxide-Semiconductor), in
The entitled complementary metal oxide semiconductors (CMOS) of literature, he is originally a kind of important core in computer installation
Sheet, saves device and guides most basic data.The manufacturing technology of CMOS and general computer
Chip does not has difference, the quasiconductor made mainly by silicon and germanium both elements, makes
It co-exists band N (band-electricity) and the quasiconductor of P (band+electricity) level on CMOS, this
Electric current produced by two complementary effects can be processed chip record and be interpreted to image.Later
Find that CMOS can also be as the imageing sensor in digital photography through processing.
For independent of the portable use of electrical network, famous with low power consumption characteristic
CMOS technology has an obvious advantage: cmos image sensor be for 5V and
3.3V supply voltage and design.CCD chip then needs the supply voltage of about 12V,
Therefore have to use an electric pressure converter, thus cause power consumption to increase.In terms of total power consumption,
Controlling to be integrated in cmos sensor with apparatus function to bring another benefit: he goes
Except all external connection lines with other semiconductor elements.The driver of its high power consumption is the most
Abandoned, this is because communicate consumed energy ratio at chip internal to pass through PCB
Or the outside implementation of substrate is much lower.
Cmos sensor also can be subdivided into passive type element sensor (Passive Pixel
Sensor CMOS) and active pixel sensor (Active Pixel Sensor CMOS).
Passive type element sensor (Passive Pixel Sensor is called for short PPS), is named again passive
Formula element sensor, he is made up of a back-biased light sensitive diode and a switching tube.
Light sensitive diode is substantially a PN junction being made up of P-type semiconductor and N-type semiconductor,
He can be equivalent to a back-biased diode and a mos capacitance parallel connection.Work as switching tube
During unlatching, light sensitive diode connects with vertical alignment (Column bus).It is positioned at alignment end
The charge integration amplifier reading circuit (Charge integrating amplifier) of end keeps row
Line voltage is a constant, when the signal charge of light sensitive diode storage is read, and its voltage quilt
Resetting to column line voltage level, meanwhile, the electric charge being directly proportional to optical signal is by charge integration
Amplifier is converted to electric charge output.
Active pixel sensor (Active Pixel Sensor is called for short APS), is named again active
Formula element sensor.Almost while CMOS PPS dot structure is invented, people are quickly
Recognize that introducing buffer or amplifier can improve the performance of pixel, at CMOS in pixel
APS has in each pixel the amplifier of oneself.The amplification transistor being integrated in surface reduces
The effective surface area of pixel element, reduces " packaging density ", makes 40%～50% enter
Penetrate light to be reflected.Another problem of this sensor is, how to make the multichannel of sensor put
Having preferably coupling between big device, this can be by reducing the fixed pattern noise of residual level relatively
Realize well.Quilt during only reading at this due to each amplifier in CMOS APS pixel
Excite, so the power dissipation ratio ccd image sensor of CMOS APS is the least.
It is it is understood that although the present invention discloses as above with preferred embodiment, but above-mentioned
Embodiment is not limited to the present invention.For any those of ordinary skill in the art,
Without departing under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above
Technical solution of the present invention is made many possible variations and modification, or is revised as equivalent variations
Equivalent embodiments.Therefore, every content without departing from technical solution of the present invention, according to the present invention
Technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all
Still fall within the range of technical solution of the present invention protection.
Claims (6)
1. a waste gas processing method, the method includes:
1) providing a kind of emission-control equipment, described device includes that position sensor, image are surveyed
High equipment, servomotor and MSP430 single-chip microcomputer, position sensor and image survey high equipment all
For detecting the present level of device, MSP430 single-chip microcomputer respectively with position sensor, image
Survey high equipment and servomotor connects, for surveying the defeated of high equipment based on position sensor and image
Going out and control servomotor, servomotor is used for regulation device height；
2) described device is used.
2. the method for claim 1, it is characterised in that described device includes:
Position sensor, is positioned at the downside of device, for the current location of real-time detection apparatus,
And determine that the height of device is using high as the second device based on current location and default ground location
Degree output；
Solar energy detection equipment, is positioned on described device, detects current solar energy in real time
Intensity；
Power supply unit, changes including solar powered device, accumulator, switching switch and voltage
Device, switching switch is connected with solar energy detection equipment, solar powered device and accumulator respectively,
When the solar energy intensity that the dump energy of accumulator is not enough and current is optionally greater than preset strength,
It is switched to solar powered device to be powered by solar powered device, electric pressure converter and switching
Switch connects, so that 3.3V voltage will be converted to by the 5V voltage of switching switch input, its
In solar powered device be positioned on described device；
Wireless charging device, is connected with solar energy detection equipment and accumulator respectively, works as accumulator
The not enough and current solar energy intensity of dump energy less than preset strength time, wireless with neighbouring
Charging terminal is set up and is connected to start wireless charging operation, and wireless charging device is also changed with voltage
Device connects to realize voltage conversion；
CMOS sensing equipment, is positioned at the middle position of the downside of device, for facing device
Lower section carries out shooting to obtain high-definition terrestrial image；
Spatial domain picture strengthens equipment, is connected with CMOS sensing equipment to receive high-definition terrestrial figure
Picture, including direct greyscale transformation subset and histogram modification subset, direct greyscale transformation
Equipment is connected with CMOS sensing equipment, becomes for high-definition terrestrial image is performed direct gray scale
Changing process and strengthen image to obtain first, histogram modification subset sets with direct greyscale transformation
Standby connection, for receiving the first enhancing image, and strengthens image execution histogram modification to first
Processing to obtain the second enhancing image, wherein, direct greyscale transform process uses logarithmic function pair
Each pixel value of high-definition terrestrial image carries out computing, by each the pixel value group after computing
Becoming the first enhancing image, histogram modification processes and changes first by the histogrammic shape of change
Strengthen the gray scale layout of image to strengthen the first enhancing image, it is thus achieved that second strengthens image；
Wiener filtering equipment, the histogram modification subset strengthening equipment with spatial domain picture is connected,
For receiving the second enhancing image, and the second enhancing image is performed the first Filtering Processing to obtain
First filtering image, wherein the first Filtering Processing is used for so that the first filtering image and second strengthens
The mean square error of image is minimum to remove the speckle noise in the second enhancing image and white noise；
Modified model medium filtering equipment, is connected to obtain the first filtering image with Wiener filtering equipment,
Subset and Filtering Processing subset, noise measuring is selected including noise measuring subset, module
Subset is connected with Wiener filtering equipment, by the gray value of the pixel to the first filtering image
It is analyzed determining the distribution radius in each noise profile region, and by each noise profile
Maximum in the distribution radius in region exports as maximum distribution radius, and module selects subset
It is connected with noise measuring subset, is used for receiving maximum distribution radius, and based on maximum distribution half
Footpath selects to carry out the filtration module of medium filtering, and Filtering Processing subset sets with Wiener filtering respectively
Standby and module selects subset to connect, and is used for based on the filtration module selected the first filtering image
Carry out medium filtering process to obtain the second filtering image, wherein medium filtering process include for
In first filtering image, each pixel carries out following process as target pixel points: with target
Pixel position in the first filtering image as the centre of form of filtration module selected first
In filtering image, the multiple pixels of taking-up are as multiple reference image vegetarian refreshments, take multiple reference image vegetarian refreshments
Pixel value in maximum and minima as pixel maximum and pixel minimum, to determine
The meansigma methods of pixel maximum and pixel minimum is as pixel average, to join for each
Examine pixel, if its pixel value is less than pixel average, then replace its pixel value with 0, as
Really its pixel value is more than or equal to pixel average, then retain its pixel value, finally by multiple references
The meansigma methods of the pixel value of pixel exports as the pixel value of target pixel points；
Mark Detection equipment, respectively with FLASH storage device and modified model medium filtering equipment
Connect, by all pictures in mark intensity value ranges of the pixel gray value in the second filtering image
Vegetarian refreshments composition mark subimage, by the pixel sum in mark subimage and reference mark image
Pixel sum be compared to determine and export first device height；
FLASH storage device, is used for having prestored reference mark image, reference mark figure
As the original image for test pattern mark；
Servomotor, is positioned near device, is connected to receive currently with MSP430 single-chip microcomputer
Device height, determines motor drive signal based on present apparatus height and default device height, and
Based on motor drive signal, telescoping shoring column is driven into default device height；
Telescoping shoring column, is positioned at the lower section of device, is connected with device, be also connected with servomotor,
Vertically move with driving device for carrying out scaling operation under the control of servomotor；
MSP430 single-chip microcomputer, respectively with Mark Detection equipment, position sensor, servomotor
Connect with FLASH storage device, be used for receiving first device height and the second device height,
High based on the first elevation weight value, first device height, the second elevation weight value and the second device
Degree determines present apparatus height, and when present apparatus height is more than or equal to preset height higher limit,
The too high signal of issue device, when present apparatus height is less than or equal to preset height lower limit, sends out
Go out device and cross low signal；
Wireless Telecom Equipment, is connected with MSP430 single-chip microcomputer, for by too high for device signal or
Device is crossed low signal and is sent to the management and control center of far-end；
Wherein, module selects subset to select to carry out the filter of medium filtering based on maximum distribution radius
Mode block includes: maximum distribution radius is the biggest, and the filtration module carrying out medium filtering of selection is more
Greatly, maximum distribution radius is the least, and the filtration module carrying out medium filtering of selection is the least；
Wherein, module selects selective filtration module in subset to include 3 × 3, and 5 × 5,7
× 7 and 9 × 9；
Wherein, FLASH storage device has also prestored default device height, the first height
Weighted value, the second elevation weight value, preset height higher limit and preset height lower limit；
Wherein, FLASH storage device the most respectively with Mark Detection equipment, servomotor and
MSP430 single-chip microcomputer connects；
Wherein, test pattern traffic sign placement below device, test pattern mark be shaped as three
Dihedral, square or circular；
Wherein, Mark Detection equipment is by the pixel sum in mark subimage and reference mark figure
The pixel sum of picture is compared to determine and exports first device height to include: mark subgraph
Pixel sum in Xiang is the biggest divided by the numerical value of the pixel sum acquisition of reference mark image,
The numerical value of first device height is the least, and the pixel sum in mark subimage is divided by reference mark
The numerical value that the pixel sum of image obtains is the least, and the numerical value of first device height is the biggest.
3. method as claimed in claim 2, it is characterised in that:
Wireless Telecom Equipment includes radio receiving unit and wireless transmission unit.
4. method as claimed in claim 2, it is characterised in that:
CMOS sensing equipment also includes accessory power supply, for proposing the shooting of high-definition terrestrial image
For floor light light.
5. method as claimed in claim 2, it is characterised in that:
FLASH storage device, Mark Detection equipment and MSP430 single-chip microcomputer are integrated in one
On block surface-mounted integrated circuit.
6. method as claimed in claim 2, it is characterised in that:
Solar powered device includes solar energy photovoltaic panel.
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| CN102042986A (en) * | 2009-10-20 | 2011-05-04 | 西安费斯达自动化工程有限公司 | Automatic automobile exhaust monitoring system based on image and FPGA (Field Programmable Gate Array) |
| CN102721693A (en) * | 2012-06-13 | 2012-10-10 | 安徽宝龙环保科技有限公司 | Tail gas light-proof smoke intensity detection method and system |
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Application publication date: 20160817 |