CN110530449A - Heeling condition oil measurement mechanism - Google Patents
Heeling condition oil measurement mechanism Download PDFInfo
- Publication number
- CN110530449A CN110530449A CN201811292043.6A CN201811292043A CN110530449A CN 110530449 A CN110530449 A CN 110530449A CN 201811292043 A CN201811292043 A CN 201811292043A CN 110530449 A CN110530449 A CN 110530449A
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- Prior art keywords
- liquid level
- vehicle
- oil
- fuel tank
- piecemeal
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- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- 238000005259 measurement Methods 0.000 title claims abstract description 33
- 239000003921 oil Substances 0.000 claims abstract description 72
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 239000002828 fuel tank Substances 0.000 claims abstract description 47
- 239000000295 fuel oil Substances 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 14
- 238000003707 image sharpening Methods 0.000 claims abstract description 5
- 238000003384 imaging method Methods 0.000 claims description 22
- 238000004458 analytical method Methods 0.000 claims description 12
- 238000011065 in-situ storage Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims 1
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000105 evaporative light scattering detection Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/80—Arrangements for signal processing
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The present invention relates to a kind of heeling condition oil measurement mechanisms, comprising: gradient analytical equipment is arranged in the chassis of the vehicle, for detecting the present inclination of the vehicle, and exports the present inclination；The side of the fuel tank of the vehicle is arranged in fluid level measuring instrument, the real-time level of the side of the fuel tank for measuring the vehicle, to obtain and export real-time oil tank liquid level；Liquid level identification apparatus is connect with image sharpening equipment, for extracting the liquid level figure in edge sharpening piecemeal, determines the depth of field of the centroid in the edge sharpening piecemeal in the liquid level figure to export as the central liquid level depth of field；Oil mass analyzing device is connect with liquid level identification apparatus, for determining the Fuel Oil Remaining in the fuel tank of vehicle based on the central liquid level depth of field when present inclination is less than predetermined angle threshold value.Through the invention, the accurate measurement to vehicle Fuel Oil Remaining can be realized under various heeling conditions.
Description
Technical field
The present invention relates to oil measurement field more particularly to a kind of heeling condition oil measurement mechanisms.
Background technique
Oil mass monitors the continuous acquisition by the relative percentage signal to oil consumption sensor, cooperates calibration algorithm, by it
It is converted into corresponding volume information, realizes and the oil mass of fuel tank is monitored；In conjunction with GPS system, the driving status of vehicle is learnt, lead to
Certain logical relation is crossed, the fuel consumption information of vehicle, oil mass abnormal consumption information etc. are obtained；Finally by GPRS network, will count
According to transmitting on given server.The oil consumption monitor supervision platform of server installation customization, it, which analyzes these data, sorts out, and makes
User can be apparent from oil consumption and the location information of vehicle.
Summary of the invention
In order to solve the technical problem of vehicle Fuel Oil Remaining measurement accuracy difference under inclination of vehicle state, the present invention provides
A kind of heeling condition oil measurement mechanism.
For this purpose, the present invention needs to have following three key inventives point:
(1) all directions around it are determined based on each form and aspect signal component value of each pixel of neighborhood of pixel points to be analyzed
Form and aspect variation grades, whether be change of gradient point with determination pixel to be analyzed；(2) change of gradient point in image is occurred most
More image blocks is exported as high density piecemeal to be used for image procossing；(3) it introduces liquid level identification apparatus and extracts high density point
Liquid level figure in block determines the depth of field of the centroid in the liquid level figure in high density piecemeal using as central liquid level scape
It is deep, oil mass analyzing device is used to determine the Fuel Oil Remaining in the fuel tank of vehicle, the center based on the central liquid level depth of field
The liquid level depth of field is deeper, and the Fuel Oil Remaining in the fuel tank of the vehicle determined is fewer.
According to an aspect of the present invention, a kind of heeling condition oil measurement mechanism is provided, the mechanism includes:
Gradient analytical equipment is arranged in the chassis of the vehicle, for detecting the present inclination of the vehicle, and
Export the present inclination；The side of the fuel tank of the vehicle is arranged in fluid level measuring instrument, for measuring the oil of the vehicle
The real-time level of the side of case, to obtain and export real-time oil tank liquid level.
More specifically, in heeling condition oil measurement mechanism, further includes:
The top center position of the fuel tank of the vehicle is arranged in fuel tank imager, for the fuel tank to the vehicle
Liquid level carries out imaging movement, to obtain and export field imaging image.
More specifically, in heeling condition oil measurement mechanism, further includes:
The side of the fuel tank imager is arranged in secondary light source, mentions for the imaging movement for the fuel tank imager
For floor light.
More specifically, in heeling condition oil measurement mechanism, further includes:
Oil mass analyzing device, respectively with the gradient analytical equipment, the fluid level measuring instrument, the secondary light source and institute
State fuel tank imager connection, for the present inclination be more than predetermined angle threshold value when, start the fuel tank imager and
The secondary light source closes the fluid level measuring instrument；The oil mass analyzing device is also used to be less than in the present inclination
When the predetermined angle threshold value, the fuel tank imager and the secondary light source are closed, the fluid level measuring instrument is started；Form and aspect ladder
Analytical equipment is spent, is connect with the fuel tank imager, for obtaining each of each pixel in the field imaging image
Form and aspect signal component value is determined around it for each pixel based on each form and aspect signal component value of each pixel of its neighborhood
The form and aspect variation grades of all directions；In the form and aspect gradient analysis equipment, each pixel based on its neighborhood it is each
Form and aspect signal component value determines that the form and aspect variation degree of all directions around it includes: by each pixel around it in a direction
Each form and aspect signal component value in greatest measure subtract minimum value and obtain corresponding difference；Direction processing equipment, with the form and aspect
The connection of gradient analysis equipment, for being directed to each pixel, the form and aspect variation grades around it there are a direction are more than
When predetermined level threshold value, determine that the pixel is change of gradient point；Analytical density equipment connects with the direction processing equipment
It connects, for receiving each change of gradient point in the field imaging image, and by change of gradient in the field imaging image
There is most image blocks and exports as high density piecemeal in point；Field processing equipment is connect with the analytical density equipment, is used
In receiving the high density piecemeal, image enhancement processing is executed to the high density piecemeal, to obtain in-situ processing piecemeal；Data
Lifting means is connect with the field processing equipment, for receiving the in-situ processing piecemeal, and to the in-situ processing piecemeal
Degree of comparing promotion processing promotes piecemeal to obtain data, and exports the data and promote piecemeal；Image sharpening equipment, with
The field processing equipment connection promotes piecemeal for receiving the data, and it is sharp to promote piecemeal execution edge to the data
Change processing, to obtain corresponding edge sharpening piecemeal；Static storage device is connect, for receiving with the direction processing equipment
The predetermined level threshold value, and the predetermined level threshold value is sent to the direction processing equipment；Liquid level identification apparatus, with institute
The connection of image sharpening equipment is stated, for extracting the liquid level figure in the edge sharpening piecemeal, is determined in the liquid level figure
The depth of field of the centroid in the edge sharpening piecemeal as the central liquid level depth of field to export；Wherein, the oil mass analyzing device is also
It is connect with the liquid level identification apparatus, it is described for being based on when the present inclination is less than the predetermined angle threshold value
The central liquid level depth of field determines the Fuel Oil Remaining in the fuel tank of the vehicle.
Specific embodiment
The embodiment of heeling condition oil measurement mechanism of the invention will be described in detail below.
By oil mass acquisition, equipment is per second wants a data to sensor, then utilizes the data mean value in 5s (settable)
Obtain filtered data, this data is according to obtaining relatively accurate volume information by calibration algorithm to equipment；Calibration
The principle of algorithm is exactly to customize data according to different fuel tanks, guarantees that data are accurate.Then GPS data receives vehicle heading letter
Breath.Auxiliary judgment oil mass data obtain oil pump capacity result.Setting includes sensor height, sensor ID number, the filtering etc. of sensor
The filtering time of grade and equipment；These need restarting equipment that can just come into force；In addition rear horse can be set in the calibrating parameters of sensor
On come into force.Equipment is uploaded onto the server one group of data, including time, position, oil mass, alarm state information；When occurring, oil mass is different
Chang Shi can steal oil and upload data of this variation after refueling, the time including starting, position, oil mass and end when
Between, position, oil mass can parse.
In order to overcome above-mentioned deficiency, the present invention has built a kind of heeling condition oil measurement mechanism, can effectively solve the problem that phase
The technical issues of answering.
The heeling condition oil measurement mechanism shown according to an embodiment of the present invention includes:
Gradient analytical equipment is arranged in the chassis of the vehicle, for detecting the present inclination of the vehicle, and
Export the present inclination；
The side of the fuel tank of the vehicle is arranged in fluid level measuring instrument, the side of the fuel tank for measuring the vehicle
Real-time level, to obtain and export real-time oil tank liquid level.
Then, continue that the specific structure of heeling condition oil measurement mechanism of the invention is further detailed.
In heeling condition oil measurement mechanism, further includes:
The top center position of the fuel tank of the vehicle is arranged in fuel tank imager, for the fuel tank to the vehicle
Liquid level carries out imaging movement, to obtain and export field imaging image.
In heeling condition oil measurement mechanism, further includes:
The side of the fuel tank imager is arranged in secondary light source, mentions for the imaging movement for the fuel tank imager
For floor light.
In heeling condition oil measurement mechanism, further includes:
Oil mass analyzing device, respectively with the gradient analytical equipment, the fluid level measuring instrument, the secondary light source and institute
State fuel tank imager connection, for the present inclination be more than predetermined angle threshold value when, start the fuel tank imager and
The secondary light source closes the fluid level measuring instrument；
The oil mass analyzing device is also used to when the present inclination is less than the predetermined angle threshold value, closes institute
Fuel tank imager and the secondary light source are stated, the fluid level measuring instrument is started；
Form and aspect gradient analysis equipment is connect with the fuel tank imager, each in the field imaging image for obtaining
Each form and aspect signal component value of a pixel, for each pixel, each form and aspect of each pixel based on its neighborhood at
Score value determines the form and aspect variation grades of all directions around it；In the form and aspect gradient analysis equipment, based on each of its neighborhood
Each form and aspect signal component value of a pixel determines that the form and aspect variation degree of all directions around it includes: by a direction around it
On each pixel each form and aspect signal component value in greatest measure subtract minimum value and obtain corresponding difference；
Direction processing equipment is connect with the form and aspect gradient analysis equipment, for being directed to each pixel, around it
When being more than predetermined level threshold value there are the form and aspect variation grades of a direction, determine that the pixel is change of gradient point；
Analytical density equipment is connect with the direction processing equipment, each in the field imaging image for receiving
Change of gradient point, and it is defeated as high density piecemeal that most image blocks occurred in change of gradient point in the field imaging image
Out；
Field processing equipment is connect with the analytical density equipment, for receiving the high density piecemeal, to described highly dense
It spends piecemeal and executes image enhancement processing, to obtain in-situ processing piecemeal；
Data lifting means is connect with the field processing equipment, for receiving the in-situ processing piecemeal, and to described
In-situ processing piecemeal degree of comparing promotion processing promotes piecemeal to obtain data, and exports the data and promote piecemeal；
Image sharpening equipment is connect with the field processing equipment, promotes piecemeal for receiving the data, and to described
Data promote piecemeal and execute edge sharpening processing, to obtain corresponding edge sharpening piecemeal；
Static storage device is connect with the direction processing equipment, for receiving the predetermined level threshold value, and will be described
Predetermined level threshold value is sent to the direction processing equipment；
Liquid level identification apparatus sharpens equipment with described image and connect, for extracting the liquid level in the edge sharpening piecemeal
Figure determines the depth of field of the centroid in the edge sharpening piecemeal in the liquid level figure using defeated as the central liquid level depth of field
Out；
Wherein, the oil mass analyzing device is also connect with the liquid level identification apparatus, for the present inclination not
When more than the predetermined angle threshold value, the Fuel Oil Remaining in the fuel tank of the vehicle is determined based on the central liquid level depth of field.
In heeling condition oil measurement mechanism: in the oil mass analyzing device, based on the central liquid level scape
Fuel Oil Remaining in the deep fuel tank for determining the vehicle includes: that the central liquid level depth of field is deeper, the oil of the vehicle determined
Fuel Oil Remaining in case is fewer.
In heeling condition oil measurement mechanism: in the form and aspect gradient analysis equipment, the corresponding difference is got over
Greatly, the form and aspect variation grades of corresponding direction are bigger.
In heeling condition oil measurement mechanism: the form and aspect gradient analysis equipment further includes data extracting unit,
For receiving the field imaging image, and extract from the field imaging image form and aspect signal component value, bright of each pixel
Spend signal component value and saturation degree signal component value.
In heeling condition oil measurement mechanism: the oil mass analyzing device is less than institute in the present inclination
When stating predetermined angle threshold value, determined based on the real-time oil tank liquid level that the fluid level measuring instrument is sent surplus in the fuel tank of the vehicle
Excess oil amount.
In addition, the static storage can be replaced using SDRAM chip in heeling condition oil measurement mechanism
Equipment.SDRAM:Synchronous Dynamic Random Access Memory, synchronous DRAM, synchronizing is
Refer to memory need of work synchronised clock, the transmission of internal order and the transmission of data are all on the basis of him；Dynamic refers to storage
Array needs continuous refresh to guarantee that data are not lost；Refer to that data do not store successively not instead of linearly at random, freely specifies
Address carries out reading and writing data.The clock frequency of SDR SDRAM is exactly the frequency of data storage.The operating voltage of SDRAM is 3.3V.
It is inaccurate for oil mass detection under heeling condition in the prior art using heeling condition oil measurement mechanism of the invention
True technical problem determines each side around it based on each form and aspect signal component value of each pixel of neighborhood of pixel points to be analyzed
To form and aspect variation grades, whether be change of gradient point with determination pixel to be analyzed；Change of gradient point in image is occurred most
More image blocks is exported as high density piecemeal to be used for image procossing；It is mentioned particular, it is important that introducing liquid level identification apparatus
The liquid level figure in high density piecemeal is taken, determines the depth of field of the centroid in the liquid level figure in high density piecemeal in
The liquid level depth of field is entreated, uses oil mass analyzing device to determine the Fuel Oil Remaining in the fuel tank of vehicle based on the central liquid level depth of field,
The center liquid level depth of field is deeper, and the Fuel Oil Remaining in the fuel tank of the vehicle determined is fewer；To solve above-mentioned technology
Problem.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (8)
1. a kind of heeling condition oil measurement mechanism, which is characterized in that the mechanism includes:
Gradient analytical equipment is arranged in the chassis of the vehicle, for detecting the present inclination of the vehicle, and exports
The present inclination；
The side of the fuel tank of the vehicle is arranged in fluid level measuring instrument, the side of the fuel tank for measuring the vehicle it is real-time
Liquid level, to obtain and export real-time oil tank liquid level.
2. heeling condition oil measurement as described in claim 1 mechanism, which is characterized in that the mechanism further include:
The top center position of the fuel tank of the vehicle is arranged in fuel tank imager, the liquid level for the fuel tank to the vehicle
Imaging movement is carried out, to obtain and export field imaging image.
3. heeling condition oil measurement as claimed in claim 2 mechanism, which is characterized in that the mechanism further include:
The side of the fuel tank imager is arranged in secondary light source, provides for the imaging movement for the fuel tank imager auxiliary
Help illumination.
4. heeling condition oil measurement as claimed in claim 3 mechanism, which is characterized in that the mechanism further include:
Oil mass analyzing device, respectively with the gradient analytical equipment, the fluid level measuring instrument, the secondary light source and the oil
Case imager connection, for starting the fuel tank imager and described when the present inclination is more than predetermined angle threshold value
Secondary light source closes the fluid level measuring instrument；
The oil mass analyzing device is also used to close the oil when the present inclination is less than the predetermined angle threshold value
Case imager and the secondary light source, start the fluid level measuring instrument；
Form and aspect gradient analysis equipment is connect with the fuel tank imager, for obtaining each picture in the field imaging image
Each form and aspect signal component value of vegetarian refreshments, for each pixel, each form and aspect signal component value of each pixel based on its neighborhood
Determine the form and aspect variation grades of all directions around it；In the form and aspect gradient analysis equipment, each picture based on its neighborhood
Each form and aspect signal component value of vegetarian refreshments determines that the form and aspect variation degree of all directions around it includes: will be around it in a direction
Greatest measure in each form and aspect signal component value of each pixel subtracts minimum value and obtains corresponding difference；
Direction processing equipment is connect with the form and aspect gradient analysis equipment, for being directed to each pixel, is existed around it
When the form and aspect variation grades of a direction are more than predetermined level threshold value, determine that the pixel is change of gradient point；
Analytical density equipment is connect with the direction processing equipment, for receiving each gradient in the field imaging image
Change point, and change of gradient point in the field imaging image most image blocks is occurred into as high density piecemeal and is exported；
Field processing equipment is connect with the analytical density equipment, for receiving the high density piecemeal, to the high density point
Block executes image enhancement processing, to obtain in-situ processing piecemeal；
Data lifting means is connect with the field processing equipment, for receiving the in-situ processing piecemeal, and to the scene
Piecemeal degree of comparing promotion processing is handled, promotes piecemeal to obtain data, and export the data and promote piecemeal；
Image sharpening equipment is connect with the field processing equipment, promotes piecemeal for receiving the data, and to the data
It promotes piecemeal and executes edge sharpening processing, to obtain corresponding edge sharpening piecemeal；
Static storage device is connect with the direction processing equipment, for receiving the predetermined level threshold value, and will be described default
Grade threshold is sent to the direction processing equipment；
Liquid level identification apparatus sharpens equipment with described image and connect, for extracting the liquid level figure in the edge sharpening piecemeal,
Determine the depth of field of the centroid in the edge sharpening piecemeal in the liquid level figure to export as the central liquid level depth of field；
Wherein, the oil mass analyzing device is also connect with the liquid level identification apparatus, for being less than in the present inclination
When the predetermined angle threshold value, the Fuel Oil Remaining in the fuel tank of the vehicle is determined based on the central liquid level depth of field.
5. heeling condition oil measurement as claimed in claim 4 mechanism, it is characterised in that:
In the oil mass analyzing device, the Fuel Oil Remaining packet in the fuel tank of the vehicle is determined based on the central liquid level depth of field
Include: the center liquid level depth of field is deeper, and the Fuel Oil Remaining in the fuel tank of the vehicle determined is fewer.
6. heeling condition oil measurement as claimed in claim 5 mechanism, it is characterised in that:
In the form and aspect gradient analysis equipment, the corresponding difference is bigger, and the form and aspect variation grades of corresponding direction are bigger.
7. heeling condition oil measurement as claimed in claim 6 mechanism, it is characterised in that:
The form and aspect gradient analysis equipment further includes data extracting unit, for receiving the field imaging image, and from described
Form and aspect signal component value, luminance components value and the saturation degree signal component value of each pixel are extracted in field imaging image.
8. heeling condition oil measurement as claimed in claim 7 mechanism, it is characterised in that:
The oil mass analyzing device is based on the level gauging when the present inclination is less than the predetermined angle threshold value
The real-time oil tank liquid level that instrument is sent determines the Fuel Oil Remaining in the fuel tank of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811292043.6A CN110530449A (en) | 2018-11-01 | 2018-11-01 | Heeling condition oil measurement mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811292043.6A CN110530449A (en) | 2018-11-01 | 2018-11-01 | Heeling condition oil measurement mechanism |
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| Publication Number | Publication Date |
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| CN110530449A true CN110530449A (en) | 2019-12-03 |
Family
ID=68659134
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| CN201811292043.6A Pending CN110530449A (en) | 2018-11-01 | 2018-11-01 | Heeling condition oil measurement mechanism |
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| US6782122B1 (en) * | 2000-04-27 | 2004-08-24 | Simmonds Precision Products, Inc. | Apparatus for measuring height of a liquid in a container using area image pattern recognition techniques |
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Application publication date: 20191203 |
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| RJ01 | Rejection of invention patent application after publication |