CN105836641A - Crane height detecting alarm system - Google Patents
Crane height detecting alarm system Download PDFInfo
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- CN105836641A CN105836641A CN201610348801.6A CN201610348801A CN105836641A CN 105836641 A CN105836641 A CN 105836641A CN 201610348801 A CN201610348801 A CN 201610348801A CN 105836641 A CN105836641 A CN 105836641A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Image Analysis (AREA)
Abstract
The invention relates to a crane height detecting alarm system. The crane height detecting alarm system comprises a height detector, a sunplus SPCE061A chip and display equipment, wherein the height detector is used for detecting and outputting real-time height of the system; the sunplus SPCE061A chip is separately connected with the height detector and the display equipment, so that alarm information sent to the display equipment is determined according to the real-time height. The crane height detecting alarm system can carry out alarm and control on the crane height effectively.
Description
Technical field
The present invention relates to warning device field, particularly relating to a kind of crane height detection warning is
System.
Background technology
Crane refers to that many actions of vertical-lift within the specific limits and horizontal carrying heavy goods rise
Hoisting machinery.Also known as crane.Current domestic each big lifting Guangdong remy hair crane gear company limited is
Through gradually cancelling lift heavy driving functions.Being mainly characterized by of wheel-mounted crane: it travels driving
Room and lifting control cabinl pulpit unite two into one, are to be developed by crawler crane (crawler crane) to form, will
Crawler belt and the mobile roof support part of walking mechanism become the chassis having tire, overcome crawler belt lifting
The shortcoming that machine (crawler crane) creeper tread road pavement damages, belongs to material carrying machine.Peace
It is contained in the guardrail outside crane walking table, shields when safeguarding, overhauling crane
Device.But traditional crane is limited by place and space, it is impossible to install the safety of the type
Guardrail, which results in crane and there are major safety risks, needs to make improvements.
Summary of the invention
According to an aspect of the present invention, it is provided that a kind of crane height detection warning system, institute
The system of stating includes height testing instrument, Ling Yang SPCE061A chip and display device, height detection
Instrument for detecting and export the real-time height of system, Ling Yang SPCE061A chip respectively with height
Detector and display device connect, based on highly determining the alarm signal being sent to display device in real time
Breath.
More specifically, in described crane height detection warning system, including: height detection
Instrument, is positioned at the downside of system, for the present level of real-time detecting system and as second is
System height output；Ling Yang SPCE061A chip, respectively with landmark identification equipment, height detection
Instrument, servomotor and TF card connect, and are used for receiving the first system height and second system height,
High based on the first elevation weight value, the first system height, the second elevation weight value and second system
Degree determines current system height, and when current system height is more than or equal to preset height higher limit,
The too high signal of the system that sends, when current system height is less than or equal to preset height lower limit, sends out
Go out system and cross low signal；Display device, is connected with Ling Yang SPCE061A chip, in real time
Show that signal too high with system or system cross the word warning content that low signal is corresponding；City is electrically accessed
Interface, is connected with line, for receiving the Alternating Current Power Supply signal of line input；Electricity
A phase line, B phase line and C phase in current transformer and sample circuit, with line
Connection, for dividing the current signal in A phase line, B phase line and C phase line
It is not sampled；A phase line in voltage sample circuit, with line, B phase line and
C phase line connects, for believing the voltage in A phase line, B phase line and C phase line
Number it is sampled respectively；Current signal conditioning circuit, is connected with current transformer and sample circuit,
For sampling current is carried out signal condition；Voltage signal conditioning circuit, with voltage sample circuit
Connect, for sampling voltage is carried out signal condition；AD73360 chip, respectively with electric current
Signal conditioning circuit and voltage signal conditioning circuit connect, to the sampling current after conditioning and conditioning
After sampling voltage perform 16 A/D conversion respectively, it is thus achieved that digital current signal and numeral electricity
Pressure signal, is additionally based upon digital current signal and digital voltage signal determines having of digital current signal
Valid value and the virtual value of digital voltage signal；Alternating Current Power Supply conversion equipment, and in line
A phase line, B phase line and C phase line connect, and are used for performing alternating current to galvanic turn
Change；Gun type camera, is positioned at the middle position of the downside of system, below system-oriented
Carry out shooting to obtain high-definition terrestrial image；Homomorphic filtering equipment, be connected with gun type camera with
Receive high-definition terrestrial image, including gray compression subset and linear transformation subset, gray scale pressure
Contracting subset is connected with gun type camera, for entering each pixel value of high-definition terrestrial image
Row gray compression processes to obtain compression image, linear transformation subset and gray compression subset
Connect, process to obtain changing image for compression image is carried out linear transformation, wherein, become
Change the contrast of image higher than high-definition terrestrial image；Histogram equalization equipment, sets with homomorphic filtering
Standby connection, to receive changing image, processes to obtain for changing image performs histogram equalization
Equilibrium figures picture, wherein histogram equalization processes for being distributed to whole by the uniform gray level of changing image
Individual grey level range so that the equilibrium figures picture of acquisition than changing image have more changeable tone and
Higher contrast；Adaptive-filtering equipment, connects Jun Heng to obtain with histogram equalization equipment
Image, and equilibrium figures picture is performed adaptive-filtering process to obtain the first filtering image；Improve
Type medium filtering equipment, is connected to obtain the first filtering image with adaptive-filtering equipment, including
Noise measuring subset, module select subset and Filtering Processing subset, and noise measuring sets
For being connected with adaptive-filtering equipment, by the gray value of the pixel of the first filtering image is entered
Row is analyzed to determine the distribution radius in each noise profile region, and by each noise profile district
Maximum in the distribution radius in territory as maximum distribution radius export, module select subset with
Noise measuring subset connects, and is used for receiving maximum distribution radius, and based on maximum distribution radius
Selecting to carry out the filtration module of medium filtering, Filtering Processing subset sets with adaptive-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；Landmark identification sets
Standby, it is connected with modified model medium filtering equipment and TF card respectively, by picture in the second filtering image
The vegetarian refreshments gray value all pixels composition mark subimage in mark intensity value ranges, will mark
Pixel sum in measure image and the pixel sum of reference mark image compare with
Determine and export the first system height；TF card, is used for having prestored reference mark image,
Reference mark image is the original image of test pattern mark；Servomotor, is positioned at arrangement adjacent,
It is connected to receive current system height with Ling Yang SPCE061A chip, high based on current system
Degree and predetermined system height determine motor drive signal, and based on motor drive signal by scalable
Carriage drive is to predetermined system height；Telescoping shoring column, is positioned at the lower section of system, with system even
Connect, be also connected with servomotor, for carrying out scaling operation under the control of servomotor with band
Dynamic systematic vertical moves；Wherein, test pattern traffic sign placement below system, test pattern mark
Will be shaped as triangle, square or circular；Wherein, landmark identification equipment will indicate subgraph
Pixel sum in Xiang is compared to determine also with the pixel sum of reference mark image
Output the first system height includes: the pixel sum in mark subimage is divided by reference mark figure
The numerical value that the pixel sum of picture obtains is the biggest, and the numerical value of the first system height is the least, mark
Pixel sum in image is got over divided by the numerical value of the pixel sum acquisition of reference mark image
Little, the numerical value of the first system height is the biggest；Wherein, TF card is additionally operable to prestore each
Benchmark human body image, each benchmark human body image is that the benchmark human body to the different bodily forms is carried out in advance
The image shot and obtain；Wherein, module select subset based on maximum distribution radius select into
The filtration module of row medium filtering includes: maximum distribution radius is the biggest, selection carry out intermediate value filter
The filtration module of ripple is the biggest, and maximum distribution radius is the least, the filtering carrying out medium filtering of selection
Module is the least；Wherein, module selects selective filtration module in subset to include 3 × 3, and 5
× 5,7 × 7 and 9 × 9；Wherein, TF card also prestored predetermined system height, first
Elevation weight value, the second elevation weight value, preset height higher limit and preset height lower limit；
Wherein, TF card the most respectively with landmark identification equipment, servomotor and Ling Yang SPCE061A core
Sheet connects；Wherein, display device is also connected with AD73360 chip, shows number in real time
The virtual value of word current signal and the virtual value of digital voltage signal.
More specifically, in described crane height detection warning system: alternatively, use and insult
The internal memory of sun SPCE061A chip replaces TF card.
More specifically, in described crane height detection warning system: gun type camera is also wrapped
Include accessory power supply, for providing floor light light to the shooting of high-definition terrestrial image.
More specifically, in described crane height detection warning system: Ling Yang SPCE061A
Chip is positioned at the middle position of the downside of system.
More specifically, in described crane height detection warning system: Ling Yang SPCE061A
Chip and TF card are integrated on one piece of surface-mounted integrated circuit.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is to detect warning system according to the crane height shown in embodiment of the present invention
Block diagram.
Reference: 1 height testing instrument；2 Ling Yang SPCE061A chips；3 display devices
Detailed description of the invention
Crane height to the present invention detects the embodiment party of warning system below with reference to accompanying drawings
Case is described in detail.
Fig. 1 is to detect warning system according to the crane height shown in embodiment of the present invention
Block diagram, described system includes height testing instrument, Ling Yang SPCE061A chip and display
Equipment, height testing instrument is for detecting and export the real-time height of system, Ling Yang SPCE061A
Chip is connected with height testing instrument and display device respectively, is sent to show based on highly determining in real time
Show the warning message of equipment.
Then, the concrete structure continuing the detection warning system of the crane height to the present invention is carried out
Further instruction.
Described system includes: height testing instrument, is positioned at the downside of system, for detection in real time
The present level of system also exports as second system height.
Described system includes: Ling Yang SPCE061A chip, respectively with landmark identification equipment, height
Degree detector, servomotor and the connection of TF card, be used for receiving the first system height and second and be
System height, based on the first elevation weight value, the first system height, the second elevation weight value and the
Two system height determines current system height, and at current system height more than or equal to preset height
During higher limit, the too high signal of the system that sends, under current system height is less than or equal to preset height
During limit value, the system of sending crosses low signal.
Described system includes: display device, is connected with Ling Yang SPCE061A chip, for real
Time show that signal too high with system or system are crossed word corresponding to low signal and warned content；Civil power connects
Incoming interface, is connected with line, for receiving the Alternating Current Power Supply signal of line input.
Described system includes: the A phase in current transformer and sample circuit, with line
Circuit, B phase line and C phase line connect, for A phase line, B phase line and C
Current signal in phase line is sampled respectively；In voltage sample circuit, with line
A phase line, B phase line and C phase line connect, for A phase line, B phase line
It is sampled respectively with the voltage signal in C phase line；Current signal conditioning circuit, with electricity
Current transformer and sample circuit connect, for sampling current is carried out signal condition；Voltage signal
Modulate circuit, is connected with voltage sample circuit, for sampling voltage is carried out signal condition.
Described system includes: AD73360 chip, respectively with current signal conditioning circuit and electricity
Pressure signal conditioning circuit connects, to the sampling voltage after the sampling current after conditioning and conditioning respectively
Perform 16 A/D conversions, it is thus achieved that digital current signal and digital voltage signal, be additionally based upon number
Word current signal and digital voltage signal determine virtual value and the digital voltage of digital current signal
The virtual value of signal.
Described system includes: Alternating Current Power Supply conversion equipment, with the A phase line in line,
B phase line and C phase line connect, and are used for performing alternating current to galvanic conversion；Gun-type is taken the photograph
Camera, is positioned at the middle position of the downside of system, carry out shooting below system-oriented with
Obtain high-definition terrestrial image；Homomorphic filtering equipment, is connected with gun type camera to receive high definition ground
Face image, including gray compression subset and linear transformation subset, gray compression subset with
Gun type camera connects, for each pixel value of high-definition terrestrial image is carried out gray compression
Processing to obtain compression image, linear transformation subset is connected with gray compression subset, is used for
Compression image is carried out linear transformation process to obtain changing image, wherein, changing image right
Than degree higher than high-definition terrestrial image.
Described system includes: histogram equalization equipment, is connected to receive change with homomorphic filtering equipment
Change image, process to obtain equilibrium figures picture, wherein for changing image is performed histogram equalization
Histogram equalization processes for the uniform gray level of changing image is distributed to whole grey level range,
The equilibrium figures picture obtained is made to have more changeable tone and higher contrast than changing image.
Described system includes: adaptive-filtering equipment, is connected with histogram equalization equipment to obtain
Equilibrium figures picture, and equilibrium figures picture is performed adaptive-filtering process to obtain the first filtering image.
Described system includes: modified model medium filtering equipment, be connected with adaptive-filtering equipment with
Obtain the first filtering image, select at subset and filtering including noise measuring subset, module
Reason subset, noise measuring subset is connected with adaptive-filtering equipment, by the first filtering
The gray value of the pixel of image is analyzed determining the distribution in each noise profile region
Radius, and using the maximum in the distribution radius in each noise profile region as maximum distribution half
Footpath exports, and module selects subset to be connected with noise measuring subset, is used for receiving maximum distribution
Radius, and select to carry out the filtration module of medium filtering, Filtering Processing based on maximum distribution radius
Subset selects subset to be connected with adaptive-filtering equipment and module respectively, for based on selection
Filtration module the first filtering image is carried out medium filtering process to obtain the second filtering image,
Wherein medium filtering processes and includes for each pixel in the first filtering image as target
Pixel carries out following process: using target pixel points position in the first filtering image as choosing
The centre of form of the filtration module selected takes out multiple pixel as multiple ginsengs in the first filtering image
Examine pixel, take the maximum in the pixel value of multiple reference image vegetarian refreshments and minima using as picture
Element maximum and pixel minimum, determine that the meansigma methods of pixel maximum and pixel minimum is to make
For pixel average, for each reference image vegetarian refreshments, if its pixel value is average less than pixel
Value, then replace its pixel value with 0, if its pixel value is more than or equal to pixel average, then protect
Stay its pixel value, finally using the meansigma methods of the pixel value of multiple reference image vegetarian refreshments as object pixel
The pixel value output of point.
Described system includes: landmark identification equipment, respectively with modified model medium filtering equipment and
TF card connects, by pixel gray value in the second filtering image in mark intensity value ranges
All pixels composition mark subimage, by the pixel sum in mark subimage and fiducial mark
The pixel sum of will image is compared to determine and exports the first system height.
Described system includes: TF card, is used for having prestored reference mark image, fiducial mark
Will image is the original image of test pattern mark；Servomotor, is positioned at arrangement adjacent, with icepro
Sun SPCE061A chip is connected to receive current system height, based on current system height and
Predetermined system height determines motor drive signal, and based on motor drive signal by telescoping shoring column
It is driven into predetermined system height；Telescoping shoring column, is positioned at the lower section of system, is connected with system,
Also it is connected with servomotor, for carrying out scaling operation under the control of servomotor to drive system
System vertically moves.
Wherein, test pattern traffic sign placement below system, test pattern mark be shaped as three
Dihedral, square or circular.
Wherein, landmark identification equipment is by the pixel sum in mark subimage and reference mark figure
The pixel sum of picture is compared to determine and exports the first system 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 the first system 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 the first system height is the biggest.
Wherein, TF card is additionally operable to prestore each benchmark human body image, each benchmark people
Body image is that the benchmark human body to the different bodily forms shoots the image obtained in advance.
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, TF card also prestored predetermined system height, the first elevation weight value,
Two elevation weight values, preset height higher limit and preset height lower limit.
Wherein, TF card the most respectively with landmark identification equipment, servomotor and Ling Yang SPCE061A
Chip connects.
Wherein, display device is also connected with AD73360 chip, for real-time display digit electricity
The virtual value of stream signal and the virtual value of digital voltage signal.
Alternatively, in described platform: alternatively, use the interior of Ling Yang SPCE061A chip
Put memorizer and replace TF card；Gun type camera also includes accessory power supply, for high-definition terrestrial
The shooting of image provides floor light light；Ling Yang SPCE061A chip is positioned at the downside of system
Middle position；And Ling Yang SPCE061A chip and TF card are integrated in one block of integrated electricity
On the plate of road.
It addition, wave filter, as the term suggests, it is the device that ripple is filtered." ripple " is one
Individual physical concept widely, at electronic technology field, " ripple " is narrowly confined to spy
Refer to describe the process of the value fluctuations in time of various physical quantitys.This process is by all kinds of biographies
The effect of sensor, is converted into the time function of voltage or electric current, the most various physical quantitys
Time waveform, or referred to as signal.Because the independent variable time is continuous value, so claiming
For continuous time signal, be referred to as analogue signal the most habitually.
Along with the generation of digital electronic computer technology with develop rapidly, for the ease of computer
Signal is processed, create under sampling theorem instructs continuous time signal is transformed into from
Dissipate complete theory and the method for time signal.It is to say, can only exist with original analog signal
Sample value on series of discrete time coordinate point is expressed primary signal and is not lost any information,
Since what these concepts of ripple, waveform, signal were expressed is the change of various physical quantitys in objective world,
Naturally it is exactly the carrier of the various information that modern society depends on for existence.Information needs to propagate, and leans on
It it is exactly the transmission of waveshape signal.Signal is in its generation, each link of changing, transmitting
It is likely to be due to environment and the existence of interference and distorts, in quite a number of cases, the most this
Distortion is the most serious, causes signal and entrained information thereof to be embedded in the middle of noise dearly.
In order to filter these noises, recover signal originally, need to use various wave filter to be filtered
Process.
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. crane height detection a warning system, described system include height testing instrument,
Ling Yang SPCE061A chip and display device, height testing instrument is for detecting and exporting system
Height in real time, Ling Yang SPCE061A chip is connected with height testing instrument and display device respectively,
Based on highly determining the warning message being sent to display device in real time.
2. crane height detection warning system as claimed in claim 1, it is characterised in that
Described system includes:
Height testing instrument, is positioned at the downside of system, for the present level of real-time detecting system
And export as second system height；
Ling Yang SPCE061A chip, respectively with landmark identification equipment, height testing instrument, servo
Motor and TF card connect, and are used for receiving the first system height and second system height, based on the
One elevation weight value, the first system height, the second elevation weight value and second system height determine
Current system height, and when current system height is more than or equal to preset height higher limit, send
The too high signal of system, when current system height is less than or equal to preset height lower limit, sends and is
United low signal；
Display device, is connected with Ling Yang SPCE061A chip, for display in real time and system mistake
High signal or system cross the word warning content that low signal is corresponding；
Civil power access interface, is connected with line, for receiving the exchange of line input
Power supply signal；
A phase line in current transformer and sample circuit, with line, B phase line and
C phase line connects, for believing the electric current in A phase line, B phase line and C phase line
Number it is sampled respectively；
A phase line, B phase line and C phase line in voltage sample circuit, with line
Road connects, for the voltage signal in A phase line, B phase line and C phase line respectively
It is sampled；
Current signal conditioning circuit, is connected with current transformer and sample circuit, for sampling
Electric current carries out signal condition；
Voltage signal conditioning circuit, is connected with voltage sample circuit, for carrying out sampling voltage
Signal condition；
AD73360 chip, respectively with current signal conditioning circuit and voltage signal conditioning circuit
Connect, the sampling voltage after the sampling current after conditioning and conditioning is performed 16 A/D respectively
Conversion, it is thus achieved that digital current signal and digital voltage signal, is additionally based upon digital current signal sum
Word voltage signal determines the virtual value of digital current signal and the virtual value of digital voltage signal；
Alternating Current Power Supply conversion equipment, with the A phase line in line, B phase line and C
Phase line connects, and is used for performing alternating current to galvanic conversion；
Gun type camera, is positioned at the middle position of the downside of system, below system-oriented
Carry out shooting to obtain high-definition terrestrial image；
Homomorphic filtering equipment, is connected to receive high-definition terrestrial image, including ash with gun type camera
Degree compression subset and linear transformation subset, gray compression subset is connected with gun type camera,
Process for each pixel value of high-definition terrestrial image being carried out gray compression to obtain compression
Image, linear transformation subset is connected with gray compression subset, for carrying out compression image
Linear transformation processes to obtain changing image, and wherein, the contrast of changing image is higher than high definition ground
Face image；
Histogram equalization equipment, is connected to receive changing image with homomorphic filtering equipment, for right
Changing image performs histogram equalization and processes to obtain equilibrium figures picture, and wherein histogram equalization processes
For the uniform gray level of changing image is distributed to whole grey level range so that the equilibrium of acquisition
Image has more changeable tone and higher contrast than changing image；
Adaptive-filtering equipment, is connected with histogram equalization equipment to obtain equilibrium figures picture, and right
Equilibrium figures picture performs adaptive-filtering and processes to obtain the first filtering image；
Modified model medium filtering equipment, is connected with adaptive-filtering equipment to obtain the first filtering figure
Picture, selects subset and Filtering Processing subset, noise including noise measuring subset, module
Detection subset is connected with adaptive-filtering equipment, by the pixel to the first filtering image
Gray value is analyzed determining the distribution radius in each noise profile region, and each is made an uproar
Maximum in the distribution radius of sound distributed areas exports as maximum distribution radius, and module selects
Subset is connected with noise measuring subset, is used for receiving maximum distribution radius, and based on maximum
Distribution radius selects to carry out the filtration module of medium filtering, and Filtering Processing subset is respectively with adaptive
Filter apparatus and module is answered to select subset to connect, for filtration module based on selection to first
Filtering image carries out medium filtering and processes to obtain the second filtering image, and wherein medium filtering processes
Following place is carried out as target pixel points including for each pixel in the first filtering image
Reason: using target pixel points position in the first filtering image as the shape of the filtration module selected
The heart takes out multiple pixel as multiple reference image vegetarian refreshments in the first filtering image, takes multiple ginseng
Examine the maximum in the pixel value of pixel and minima using as pixel maximum and pixel
Little value, determines that the meansigma methods of pixel maximum and pixel minimum is using as pixel average, pin
To each reference image vegetarian refreshments, if its pixel value is less than pixel average, then replace it with 0
Pixel value, if its pixel value is more than or equal to pixel average, then retains its pixel value, finally
The meansigma methods of the pixel value of multiple reference image vegetarian refreshments is exported as the pixel value of target pixel points；
Landmark identification equipment, is connected with modified model medium filtering equipment and TF card respectively, by
The pixel gray value all pixels composition in mark intensity value ranges in two filtering images
Mark subimage, by the pixel of the pixel sum in mark subimage with reference mark image
Sum is compared to determine and exports the first system height；
TF card, is used for having prestored reference mark image, and reference mark image is detection figure
The original image of shape mark；
Servomotor, is positioned at arrangement adjacent, is connected to receive with Ling Yang SPCE061A chip
Current system height, determines motor drive signal based on current system height and predetermined system height,
And based on motor drive signal, telescoping shoring column is driven into predetermined system height；
Telescoping shoring column, is positioned at the lower section of system, is connected with system, be also connected with servomotor,
For carrying out scaling operation under the control of servomotor to drive systematic vertical to move；
Wherein, test pattern traffic sign placement below system, test pattern mark be shaped as three
Dihedral, square or circular；
Wherein, landmark identification equipment is by the pixel sum in mark subimage and reference mark figure
The pixel sum of picture is compared to determine and exports the first system 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 the first system 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 the first system height is the biggest；
Wherein, TF card is additionally operable to prestore each benchmark human body image, each benchmark people
Body image is that the benchmark human body to the different bodily forms shoots the image obtained in advance；
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, TF card also prestored predetermined system height, the first elevation weight value,
Two elevation weight values, preset height higher limit and preset height lower limit；
Wherein, TF card the most respectively with landmark identification equipment, servomotor and Ling Yang SPCE061A
Chip connects；
Wherein, display device is also connected with AD73360 chip, for real-time display digit electricity
The virtual value of stream signal and the virtual value of digital voltage signal.
3. crane height detection warning system as claimed in claim 2, it is characterised in that:
Alternatively, the internal memory using Ling Yang SPCE061A chip replaces TF card.
4. crane height detection warning system as claimed in claim 2, it is characterised in that:
Gun type camera also includes accessory power supply, for providing auxiliary to the shooting of high-definition terrestrial image
Help illumination light.
5. crane height detection warning system as claimed in claim 2, it is characterised in that:
Ling Yang SPCE061A chip is positioned at the middle position of the downside of system.
6. crane height detection warning system as claimed in claim 2, it is characterised in that:
Ling Yang SPCE061A chip and TF card are integrated on one piece of surface-mounted integrated circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610348801.6A CN105836641A (en) | 2016-05-24 | 2016-05-24 | Crane height detecting alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610348801.6A CN105836641A (en) | 2016-05-24 | 2016-05-24 | Crane height detecting alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105836641A true CN105836641A (en) | 2016-08-10 |
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| CN201610348801.6A Pending CN105836641A (en) | 2016-05-24 | 2016-05-24 | Crane height detecting alarm system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106370227A (en) * | 2016-08-31 | 2017-02-01 | 宁波优而雅电器有限公司 | Automation multi-parameter real-time detection method |
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| KR20110032423A (en) * | 2009-09-23 | 2011-03-30 | (주)고려호이스트 | System and method for monitoring of hoist and crane |
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Application publication date: 20160810 |