CN101532820A - Volumetric measurement method and measurement device of horizontal metal can - Google Patents
Volumetric measurement method and measurement device of horizontal metal can Download PDFInfo
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- CN101532820A CN101532820A CN200910082541A CN200910082541A CN101532820A CN 101532820 A CN101532820 A CN 101532820A CN 200910082541 A CN200910082541 A CN 200910082541A CN 200910082541 A CN200910082541 A CN 200910082541A CN 101532820 A CN101532820 A CN 101532820A
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Abstract
The invention relates to a volumetric measurement method and a measurement device of a horizontal metal can. The method comprises the followings: laser measuring heads are controlled to be declined at a first height along a linear guide rail unit, the laser measuring heads rotates in a circle horizontally using the linear guide rail unit as a shaft at the first height, and the horizontal cross-section edge of the metal can is measured to preset the polar coordinates of each point; the laser measuring heads are controlled to be declined at a plurality of preset heights in turn till the laser measuring heads are declined at a second height, the laser measuring heads rotates in a circle horizontally using the linear guide rail unit as a shaft, and the horizontal cross-section edge of the metal can is measured to preset the polar coordinates of each point; the volume over the horizontal cross-section corresponding to the first height, the volume below the horizontal cross-section corresponding to the second height, and the volume between the horizontal cross-section corresponding to the first height and the horizontal cross-section corresponding to the second height are obtained according to the measured polar coordinates. The volumetric measurement method and measurement device of the horizontal metal can provided by the invention can automatically measure the volume of a horizontal metal can without a user, the measuring speed is quick, and the precision is high.
Description
Technical field
The present invention relates to field of measuring technique, relate in particular to a kind of horizontal metal can volumetric measurement method and measurement mechanism.
Background technology
Horizontal metal can is a kind of common commercial unit, industry such as it is widely used in chemical industry, metallurgy, environmental protection, power plant, pharmacy, brewages, accumulating, oil, food.
The measuring method of a kind of horizontal metal tank volume of prior art adopts geometric method, this method needs survey crew to enter the parameters such as diameter, length and top board height of metal can internal measurement metal can inside, and then the volume of acquisition horizontal metal can, this method complicated operation, Measuring Time is long, and measuring accuracy is low.
The measuring method of a kind of horizontal metal tank volume of prior art adopts volumetric method, and this method need constantly be injected the solution of known volume in metal can, till filling it up with, and this method complex operation, Measuring Time is long, and measuring accuracy is low.
The another kind of horizontal metal can volumetric measurement method of prior art: a certain height is fixed a laser feeler in metal can, constantly adjust the elevation angle of laser feeler or the polar coordinates that each point on each horizontal section of metal can is measured at the angle of depression, calculate the volume of the metal can height acquisition metal can of each horizontal section area and vertical cross-section direction by these polar coordinates.This measuring method need constantly to adjust the elevation angle of laser feeler or the angle of depression with the polar coordinates that guarantee to measure on the sustained height horizontal section, be easy to generate error, and this method control procedure complexity, measuring speed is slow, and just the polar coordinates to each point on each horizontal section of metal can that measures simply calculate the metal can volume, and measuring accuracy is low.
Summary of the invention
The purpose of this invention is to provide a kind of horizontal metal can volumetric measurement method and measurement mechanism, need artificial intervention, complicated operation, the problem that Measuring Time is long and measuring accuracy is low to solve to measure in the prior art.
For achieving the above object, the invention provides a kind of horizontal metal can volumetric measurement method, comprising:
The control laser feeler drops to first height along the line slideway unit, highly controlling described laser feeler described first is that axle horizontal rotates a circle with described line slideway unit, measure the polar coordinates of the default each point in edge, metal can horizontal section, described polar coordinates are the polar coordinates plane with described horizontal section, with described line slideway unit and described horizontal section intersection point is limit, and described line slideway unit is vertical with surface level;
Control described laser feeler drop to successively along described line slideway unit several preset height until described laser feeler drop to second the height, when dropping to described several preset height and dropping to described second when height, controlling described laser feeler respectively is that axle horizontal rotates a circle with described line slideway unit, measuring the polar coordinates of the default each point in edge, metal can horizontal section, is limit with described line slideway unit and described horizontal section intersection point;
Highly distinguish the polar coordinates of the corresponding described default each point in edge, described horizontal section according to described first height, described several preset height and described second, obtain described first height, the highly corresponding horizontal section area of described several preset height and described second respectively, and the described first highly corresponding above highly corresponding following described metal can volume in horizontal section of described metal can volume and described second in horizontal section;
According to described first height, the highly corresponding horizontal section area of described several preset height and described second, obtain the described metal can volume between the described first highly corresponding horizontal section and the described second highly corresponding horizontal section.
The present invention also provides a kind of horizontal metal can volumetric measurement device, comprising:
The line slideway unit, vertical with surface level, be used to carry laser feeler, described line slideway unit one end contacts with the metal can base plate, the other end stretches out from the flange at described metal can top, but vertical fixing on a leveling support, but described leveling support is fixed on the described flange;
First motor is connected with described laser feeler, is used under the control of control module, drives described laser feeler and drop to first height, described several preset height and second height from top to bottom successively on described line slideway unit;
Second motor, be connected with described laser feeler, being used under the control of described control module, driving described laser feeler respectively at described first height, described several preset height and described second height, is the axle horizontal measurement that rotates a circle with described line slideway unit;
Laser feeler, be used under the driving of described first motor and described second motor, rotate a circle described first height, described several preset height and described second height level, measure the utmost point footpath in the default each point polar coordinates in edge, described metal can horizontal section and be sent to described control module, described polar coordinates are the polar coordinates plane with described horizontal section, are limit with described line slideway unit and described horizontal section intersection point;
The height detection scrambler is connected with described control module with described first motor respectively, is used for detecting according to the rotation number of turns of described first motor height of described laser feeler, and generates first pulse transmission to described control module according to the described rotation number of turns;
The angular detection scrambler, be connected with described control module with described laser feeler respectively, be used for detecting the polar angle of the default each point polar coordinates of described metal can horizontal edge, and generate second pulse transmission to described control module according to described corner according to the corner of described laser feeler;
Control module, be connected with processing unit with described first motor, described second motor, described height detection scrambler, described angular detection scrambler, described laser feeler respectively, be used for the controlled variable that presets according to described processing unit, described first pulse and described second pulse, control described first motor and described second motor respectively, and the described utmost point of described first pulse and described second pulse and all measured points directly is sent to described processing unit;
Processing unit, be connected with described control module, be used to dispose the controlled variable of described control module, and be used for the described utmost point according to described first pulse, described second pulse and all the measured points that receive and directly obtain described metal can volume between the highly corresponding horizontal section of the following described metal can volume and described first in the highly corresponding horizontal section of the above described metal can volume, described second in the described first highly corresponding horizontal section and the described second highly corresponding horizontal section.
Therefore, horizontal metal can volumetric measurement method provided by the invention and measurement mechanism, whole measuring process need not artificial intervention and just can finish automatically, and simple to operate, measuring speed is fast, and the precision height.
Description of drawings
Fig. 1 is the process flow diagram of horizontal metal can volumetric measurement method first embodiment of the present invention;
Fig. 2 is the process flow diagram of horizontal metal can volumetric measurement method second embodiment of the present invention;
Fig. 3 for the embodiment of the invention provide with the tripartite synoptic diagram of horizontal metal tank volume;
The triangle splicing method that Fig. 4 provides for the embodiment of the invention is obtained the synoptic diagram of horizontal section area;
The fan-shaped splicing method that Fig. 5 provides for the embodiment of the invention is obtained the synoptic diagram of horizontal section area;
The synoptic diagram that Fig. 6 provides for the embodiment of the invention according to the curvature information extract minutiae;
The synoptic diagram that Fig. 7 provides for the embodiment of the invention according to unique point match circular arc and straight line;
The cylinder interior diameter synoptic diagram that Fig. 8 provides for the embodiment of the invention;
Fig. 9 is the structural representation of horizontal metal can volumetric measurement device first embodiment of the present invention.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Fig. 1 is the process flow diagram of horizontal metal can volumetric measurement method first embodiment of the present invention, and as shown in Figure 1, this method comprises:
Wherein, it is horizontal positive straight cylinder that horizontal metal can be regarded center section usually as, both sides are the partial arc face, this arc surface may be semicircle sphere or semiellipse sphere, perhaps be part semicircle sphere or part semiellipse sphere, first height, it is the vertical height of benchmark that second height and several preset height are with the metal can base plate, this first highly for control laser feeler be axle with the line slideway unit, level horizontally rotates the height in the highest level cross section that can measure when measuring in a week, second highly for the control laser feeler is an axle with the line slideway unit, and level horizontally rotates the height in the floor level cross section that can measure when measuring in a week.This be because, when measuring, because the restriction of measuring equipment self, even laser feeler has arrived the top or the bottom of metal can, because laser feeler carries out along continuous straight runs and horizontally rotates measurement, often still have very little zone to measure in the top or the bottom of laser beam, though the ratio that this two parts volume accounts for whole horizontal metal tank volume is very little, but can degree of accuracy that measure the metal can volume be exerted an influence, therefore, the zone that laser feeler can't be measured is thought in above zone and the following zone of second height of this first height.Between first height and second height, can measure at the plurality of preset height and position, these preset height positions can be set as required, the occasion of having relatively high expectations for example in measuring accuracy, can these preset height are regioselective more intensive, promptly just carry out one-shot measurement, can between first height and second height and position, form several measurement points like this every a very little segment distance.All need to measure the polar coordinates of putting each preset, edge on the cross section on the same surface level with this at each measurement point, measurement point can preestablish as required, measurement result is more accurate if desired, then can some measurement points be set thick and fast at edge, horizontal section to be measured.
The polar coordinates of the default each point in edge, horizontal section of the some measurement point correspondences between first height, second height and first height and second height have been obtained, just can obtain the area of these horizontal sections, if the shape of horizontal section is known, then can be directly obtain the area of horizontal section, can obtain the part metals tank volume below the highly corresponding horizontal section of part metals tank volume and second more than the first highly corresponding horizontal section simultaneously according to the specification of different horizontal metal cans according to the area formula of difformity correspondence.
Horizontal metal can volumetric measurement method provided by the invention and measurement mechanism, whole measuring process need not artificial intervention and just can finish automatically, and be simple to operate, the measuring accuracy height.
Fig. 2 is the process flow diagram of horizontal metal can volumetric measurement method second embodiment of the present invention, and as shown in Figure 2, this method comprises:
Fig. 3 for the embodiment of the invention provide with the tripartite synoptic diagram of horizontal metal tank volume, as shown in Figure 3, wherein: H2 is first height, and H3 is second height, and H2 and H3 are divided into top section, middle layer segment and the underclad portion that volume is respectively V1, V2 and V3 with metal can;
Adjacent arbitrarily 2 triangle area or the sectorial areas that constitute with limit of step 204, basis obtain horizontal section area;
In step 203～step 204, the horizontal section area that obtains each preset height correspondence can adopt triangle area splicing method or sectorial area splicing method.The triangle splicing method that Fig. 4 provides for the embodiment of the invention is obtained the synoptic diagram of horizontal section area, as shown in Figure 4, A, B, C......M etc. are respectively the default each point in edge, horizontal section, P is polar limit, AP, BP, CP......MP are respectively A, B, the C......M each point utmost point footpath in the polar coordinates plane, a is A point and the angle of B point in the polar coordinates plane, and the area of triangle APB can obtain by following formula:
S
ΔAPB＝1/2×PA×PB×sin(∠APB)
Then the area of Dui Ying horizontal section is:
S
The cross section=S
Δ APB+ S
Δ BPc+ ... + S
Δ MPA
The fan-shaped splicing method that Fig. 5 provides for the embodiment of the invention is obtained the synoptic diagram of horizontal section area, and as shown in Figure 5, the area of fan-shaped APB can obtain by following formula:
S
APB＝1/8×(PA+PB)×(PA+PB)×(∠APB)
Wherein, ∠ APB is a radian value;
S
The cross section=S
APB+ S
BPc+ ... + S
MPA
In step 205～step 206, according to curvature information, extract the contour feature point of each layer cross section, this curvature information draws according to polar variation of the default each point in edge, horizontal section, the cross section of known metal jar is the contour curve that circular arc is connected with straight line, utilize curvature information that contour feature point is extracted, the synoptic diagram that Fig. 6 provides for the embodiment of the invention according to the curvature information extract minutiae, as shown in Figure 6, the unique point that obtains is A, B, C, D separates arc point and rectilinear point according to unique point, and AD and BC are arc section, AB and CD are straight-line segment, arc point and rectilinear point are carried out match obtain the circular arc function; Be specially, arc point is separated with rectilinear point, then arc point and rectilinear point are done match respectively, obtain circular arc function (S2, S4) and linear function (S1, S3), the synoptic diagram that Fig. 7 provides for the embodiment of the invention according to unique point match circular arc and straight line, as shown in Figure 7, obtain the individual layer cross section parameter according to the circular arc function then, this individual layer cross section parameter is:
Length between the intersection point of L1i-horizontal section circular arc portion and straight line portion, the i.e. length of straight line S1 and circular arc S2 and S4 intersection point;
The longest distance of L2i-circular arc portion subpoint on straight line portion, the i.e. longest distance of circular arc S2 and S4 subpoint on straight line S1;
Vertical range between d1i-two straight line portion, be the distance between straight line S1 and S3;
The mean diameter of d2i-circular arc portion, the i.e. mean diameter of circular arc S2 and S4;
D1i-metal can cylindrical portions may interior diameter promptly calculates the cylinder interior diameter that obtains under the height H, the cylinder interior diameter synoptic diagram that Fig. 8 provides for the embodiment of the invention, and referring to Fig. 8,
The arc diameter of D2i-metal can side is promptly calculated the side arc diameter that obtains, referring to Fig. 7, promptly under the height H
If the parameter of metal can is respectively:
The total length of L1-metal can cylindrical portions may, length overall in the promptly positive straight cylinder;
L2-metal can longest distance in the horizontal direction;
The interior diameter of D1-metal can cylindrical portions may, the promptly positive average interior diameter of straight cylinder;
H-circular arc summit, metal can side is apart from the vertical range of cylindrical portions may;
The arc diameter of D2-metal can side;
By the individual layer cross section parameter, can obtain the basic parameter of metal can, as follows:
Wherein, n is the number of horizontal section, i=1,2......n.
Utilize least square curve fit, L2i and H are done quadratic fit, obtain
L
2＝EH
2+FH+G
Wherein E, F, G are fitting coefficient, and H is the metal can height;
h＝(L
2-L
1)/2
Metal can levels calculation method of physical volume is identical, is illustrated (referring to Fig. 3) with lower floor's calculation method of physical volume here, and lower floor's volume can regard that the partial circle cylindrical shell is long-pending to add two ends partial top plate bulk as, is example with semielliptical type top board here, but not as limit,
V
3 parts=2 * V
Local top board+ V
Local cylinder
V
Local top board=(π h/6) H
2[3-(2H/D
2)] * 10
-6
+(πh/6)H
3 2[3-(2H
3/D
2)]×10
-6
H3 is the V3 height;
When calculating the upper strata volume, formula is as follows:
H2 is the V2 height;
Step 210, according to the volume between the horizontal section of any two adjacent height correspondences, obtain the metal can volume between the first highly corresponding horizontal section and the second highly corresponding horizontal section.
Making between first height and second height arbitrarily, the distance between adjacent two height equates that be Δ H, the volume between then any adjacent two height is:
Δ V=S
The cross section* Δ H
Thereby can obtain the volume of certain height correspondence in the V2 partial volume, utilize the method for least square curve fit then, the middle level volume is carried out cubic fit, obtain the middle level cubature formula:
V
2＝∑ΔV
V
2 parts=A (H-H
3)
3+ B (H-H
3)
2+ C (H-H
3)+D
Wherein A, B, C, D are fitting coefficient, and H is the metal can height, and H3 is a underclad portion V3 height;
Can obtain metal can in any pairing liquid volume of liquid level by above method.
The horizontal metal can volumetric measurement method that present embodiment provides, metal can is divided into the upper, middle and lower, measure the coordinate figure of each point on these three partly corresponding each layer of metal can horizontal section respectively, obtain each horizontal section individual layer area of section by triangle or fan-shaped splicing method, thereby obtain metal can middle level partial volume, obtain the volume of the upper and lower more successively by these D coordinates value, again these volumes are added and obtain the volume of horizontal metal can, improved the measuring accuracy of horizontal metal can.
Fig. 9 is the structural representation of horizontal metal can volumetric measurement device first embodiment of the present invention, as shown in Figure 9, this device comprises: line slideway unit 11, first motor 12, second motor 13, laser feeler 14, height detection scrambler 15, angular detection scrambler 16, control module 17 and processing unit 18; Wherein, line slideway unit 11 is vertical with surface level, is used to carry laser feeler 14, one end contacts with the metal can base plate, the other end stretches out from the flange at metal can top, but vertical fixing on a leveling support, but the leveling support is fixed on the flange of metal tank deck; First motor 12 is connected with laser feeler 14, is used under the control of control module 17, and driving laser gauge head 14 drops to first height, several preset height and second height from top to bottom successively on line slideway unit 11; Second motor 13 is connected with laser feeler 14, is used under the control of control module 17, and driving laser gauge head 14 at first height, preset height and second height, is the axle horizontal measurement that rotates a circle with line slideway unit 11 respectively; Laser feeler 14 is used under the driving of first motor 12 and second motor 13, rotate a circle first height, several preset height and second height level, measure the utmost point footpath in the default each point polar coordinates in edge, metal can horizontal section and be sent to control module 17, polar coordinates are the polar coordinates plane with the horizontal section, are limit with line slideway unit 11 with the horizontal section intersection point; Height detection scrambler 15 is connected with control module 17 with first motor 12 respectively, is used for the height according to the rotation number of turns detection laser gauge head 14 of first motor 12, and generates first pulse transmission to control module 17 according to rotating the number of turns; Angular detection scrambler 16, be connected with control module 17 with laser feeler 14 respectively, be used for detecting the polar angle of the default each point polar coordinates of metal can horizontal edge, and generate second pulse transmission to control module 17 according to the corner of laser feeler 14 according to the corner of laser feeler 14; Control module 17 is connected with processing unit 18 with first motor 12, second motor 13, height detection scrambler 15, angular detection scrambler 16, laser feeler 14 respectively, be used for controlled variable, first pulse and second pulse of presetting according to processing unit 18, control first motor 12 and second motor 13 respectively, and the utmost point of first pulse and second pulse and all measured points directly is sent to processing unit 18; Processing unit 18 is connected with control module 17, be used to dispose the controlled variable of control module 17, and be used for the utmost point according to first pulse that receives and second pulse and all measured points and directly obtain metal can volume between the highly corresponding horizontal section of the following metal can volume and first in the highly corresponding horizontal section of the above metal can volume, second in the first highly corresponding horizontal section and the second highly corresponding horizontal section.This processing unit 18 can be personal computer (Personal Computer; Hereinafter to be referred as: PC) machine etc. has the processor of control and treatment function.
Before measuring beginning, at first carry out the controlled variable configuration by 18 pairs of control modules of processing unit 17, these controlled variable comprise preset height at interval, that measures on each surface level counts etc.When this measurement mechanism is started working, first motor 12 descends along default height successively along line slideway unit 11 under the control of control module 17, these default height values are preestablished by control module 17, control module 17 drives laser feeler 14 by the rotation of controlling first motor 12 and arrives preset height, in the occasion that measuring accuracy is had relatively high expectations, what preset height can be provided with is more intensive.Height detection scrambler 15 detects the rotation number of turns of first motor 12 in real time, and generates first pulse and be sent to control module 17, and control module 17 continues to first motor, 12 transmitting control commands according to first pulse.Control module 17 is also controlled second motor 13 by the rotation of controlling second motor 13 and is driven the angle that laser feeler 14 horizontally rotates, the corner of angular detection scrambler 16 real-time detection laser gauge heads 14, thereby obtain the polar angle of certain point on the metal can horizontal section of current correspondence, and generate second pulse transmission to control module 17 according to the corner of laser feeler 14, control module 17 continues to second motor, 13 sending controling instructions according to second pulse, and offers processing unit 18 in the measured data of each preset height by control module 17; Wherein, in measuring process, processing unit 18 is on-line working not, and treat that all measurements finish by control module 17 measurement data to be sent to processing unit 18 more afterwards and handle, therefore, processing unit 18 is usually located at the outside of the horizontal metal can of surveying, and can be connected with control module 17 by lead.Processing unit 18 is according to the polar coordinates of the default each point in the edge, horizontal section of these preset height correspondences, obtains the metal can volume between the highly corresponding horizontal section of the following metal can volume and first in the highly corresponding horizontal section of the above metal can volume, second in the first highly corresponding horizontal section and the second highly corresponding horizontal section.
The concrete measuring method of this horizontal metal can volumetric measurement device repeats no more referring to previous embodiment.
The horizontal metal can volumetric measurement device that present embodiment provides, measuring process does not need artificial participation just can finish automatically, and is simple to operate, improved the measuring accuracy of horizontal metal can.
On the present embodiment basis, in order to make this horizontal metal can volumetric measurement device, a square body support post unit can be set more firmly with stable, this support post unit can be spliced by the above support post of a joint.Line slideway unit 11 can be spliced by being arranged on the above line slideway of the joint of one on the support post cell surface.In addition, can also the line slideway unit first highly place and second highly locate limit switch is set respectively so that whole measuring process can be finished under the control of non-processor unit automatically.Further, horizontal metal can volumetric measurement device can also comprise: slide block, be arranged on the line slideway unit 11, be used for the carrying and locating laser gauge head 14 in line slideway unit 11, from top to bottom drop to successively first the height, preset height and second the height; Driving horizontally rotates the unit, is connected with second motor 13, be used under the driving of second motor 13 driving laser feeler 14, respectively in preset height, be that the axle horizontal direction horizontally rotates measurement with line slideway unit 11; Gear is arranged on first motor 12; The tooth bar unit is arranged on the line slideway unit 11; This tooth bar unit can be arranged on the side of the support post unit adjacent with line slideway unit 11, the engagement of wheel and rack unit.This tooth bar unit is spliced with upper rack by a joint that is arranged on the line slideway surface.
The support post unit of present embodiment, line slideway unit and tooth bar unit all adopt splicing structure, this metal can volumetric measurement device is carried and use convenient.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1, a kind of horizontal metal can volumetric measurement method is characterized in that, comprising:
The control laser feeler drops to first height along the line slideway unit, highly controlling described laser feeler described first is that axle horizontal rotates a circle with described line slideway unit, measure the polar coordinates of the default each point in edge, metal can horizontal section, described polar coordinates are the polar coordinates plane with described horizontal section, with described line slideway unit and described horizontal section intersection point is limit, and described line slideway unit is vertical with surface level;
Control described laser feeler drop to successively along described line slideway unit several preset height until described laser feeler drop to second the height, when dropping to described several preset height and dropping to described second when height, controlling described laser feeler respectively is that axle horizontal rotates a circle with described line slideway unit, measuring the polar coordinates of the default each point in edge, metal can horizontal section, is limit with described line slideway unit and described horizontal section intersection point;
Highly distinguish the polar coordinates of the corresponding described default each point in edge, described horizontal section according to described first height, described several preset height and described second, obtain described first height, the highly corresponding horizontal section area of described several preset height and described second respectively, and the described first highly corresponding above highly corresponding following described metal can volume in horizontal section of described metal can volume and described second in horizontal section;
According to described first height, the highly corresponding horizontal section area of described several preset height and described second, obtain the described metal can volume between the described first highly corresponding horizontal section and the described second highly corresponding horizontal section.
2, horizontal metal can volumetric measurement method according to claim 1 is characterized in that, describedly obtains described first height respectively, the highly corresponding horizontal section area of described several preset height and described second comprises:
According to any adjacent polar coordinates in the above default each point of described horizontal section, obtain described adjacent arbitrarily 2 triangle area or sectorial areas that constitute with described limit at 2;
According to described adjacent arbitrarily 2 triangle area or sectorial areas that constitute with described limit, obtain described horizontal section area.
3, horizontal metal can volumetric measurement method according to claim 1 and 2, it is characterized in that, obtain the described first highly corresponding above highly corresponding following described metal can volume in horizontal section of described metal can volume and described second in horizontal section and comprise:
According to described first height, described several preset height and described second polar coordinates of the corresponding described default each point in edge, described horizontal section highly respectively, obtain the highly unique point of the horizontal section of correspondence of described first height, described several preset height and described second respectively;
According to described first height, described several preset height and described second are the unique point of corresponding horizontal section highly, obtain described first height respectively, the horizontal section parameter that described several preset height and described second are highly corresponding, described horizontal section parameter comprises: length between the intersection point of described horizontal section circular arc portion and straight line portion, the longest distance of described circular arc portion subpoint on described straight line portion direction, the mean diameter of described circular arc portion, vertical range between two straight line portioies, the arc diameter of described metal can cylindrical portions may interior diameter and described metal can side;
According to described first height, the highly corresponding horizontal section parameter of described several preset height and described second, obtain described metal can parameter, described metal can parameter comprises: the interior diameter of the total length of described metal can cylindrical portions may, described metal can cylindrical portions may, circular arc summit, described metal can side are apart from the arc diameter and the described metal can longest distance in the horizontal direction of the vertical range of cylindrical portions may, described metal can side;
According to the described metal can volume below the highly corresponding horizontal section of the described metal can volume and described second more than the highly corresponding horizontal section of described metal can parameter acquiring described first.
4, horizontal metal can volumetric measurement method according to claim 3, it is characterized in that, described according to described first height, the highly corresponding horizontal section area of described several preset height and described second, obtain the described first highly corresponding horizontal section and comprise with described metal can volume between the described second highly corresponding horizontal section:
According to the distance between adjacent two height and the horizontal section area of any two adjacent height correspondences arbitrarily between described first height, described several preset height and described second height, obtain the described metal can volume between the horizontal section of described any two adjacent height correspondences;
According to the described metal can volume between the horizontal section of described any two adjacent height correspondences, obtain the described metal can volume between the described first highly corresponding horizontal section and the described second highly corresponding horizontal section.
5, a kind of horizontal metal can volumetric measurement device is characterized in that, comprising:
The line slideway unit, vertical with surface level, be used to carry laser feeler, described line slideway unit one end contacts with the metal can base plate, the other end stretches out from the flange at described metal can top, but vertical fixing on a leveling support, but described leveling support is fixed on the described flange;
First motor is connected with described laser feeler, is used under the control of control module, drives described laser feeler and drop to first height, several preset height and second height from top to bottom successively on described line slideway unit;
Second motor, be connected with described laser feeler, being used under the control of described control module, driving described laser feeler respectively at described first height, described several preset height and described second height, is the axle horizontal measurement that rotates a circle with described line slideway unit;
Laser feeler, be used under the driving of described first motor and described second motor, is that axle horizontal rotates a circle at described first height, described several preset height and described second height with described line slideway unit, measure the utmost point footpath in the default each point polar coordinates in edge, described metal can horizontal section, and be sent to described control module, described polar coordinates are the polar coordinates plane with described horizontal section, are limit with described line slideway unit and described horizontal section intersection point;
The height detection scrambler is connected with described control module with described first motor respectively, is used for detecting according to the rotation number of turns of described first motor height of described laser feeler, and generates first pulse transmission to described control module according to the described rotation number of turns;
The angular detection scrambler, be connected with described control module with described laser feeler respectively, be used for detecting the polar angle of the described default each point polar coordinates in edge, described metal can horizontal section, and generate second pulse transmission to described control module according to described corner according to the corner of described laser feeler;
Control module, be connected with processing unit with described first motor, described second motor, described height detection scrambler, described angular detection scrambler, described laser feeler respectively, be used for the controlled variable that presets according to described processing unit, described first pulse and described second pulse, control described first motor and described second motor respectively, and the described utmost point of described first pulse, described second pulse and all measured points directly is sent to described processing unit;
Processing unit, be connected with described control module, be used to dispose the controlled variable of described control module, and be used for the described utmost point according to described first pulse, described second pulse and all the measured points that receive and directly obtain described metal can volume between the highly corresponding horizontal section of the following described metal can volume and described first in the highly corresponding horizontal section of the above described metal can volume, described second in the described first highly corresponding horizontal section and the described second highly corresponding horizontal section.
6, horizontal metal can volumetric measurement device according to claim 5, it is characterized in that, also comprise: slide block, be arranged on the described line slideway unit, be used for carrying and locate described laser feeler on described line slideway unit, dropping to described first height, described several preset height and described second height from top to bottom successively.
7, according to claim 5 or 6 described horizontal metal can volumetric measurement devices, it is characterized in that, also comprise driving and horizontally rotate the unit, described driving horizontally rotates the unit and is connected with described second motor, be used under the driving of described second motor driving described laser feeler, respectively on described first height, described several preset height and described second height, be that an along continuous straight runs horizontally rotates and measures in a week with described line slideway unit.
8, horizontal metal can volumetric measurement device according to claim 7 is characterized in that, also comprises: gear is arranged on described first motor; The tooth bar unit is arranged on the described line slideway unit; Described gear and the engagement of described tooth bar unit.
9, horizontal metal can volumetric measurement device according to claim 8 is characterized in that, described line slideway unit is spliced by being arranged on the above line slideway of the joint of one on the support post cell surface.
10, horizontal metal can volumetric measurement device according to claim 9 is characterized in that, described tooth bar unit is spliced with upper rack by being arranged on the lip-deep joint of described line slideway.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910082541A CN101532820A (en) | 2009-04-23 | 2009-04-23 | Volumetric measurement method and measurement device of horizontal metal can |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910082541A CN101532820A (en) | 2009-04-23 | 2009-04-23 | Volumetric measurement method and measurement device of horizontal metal can |
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| CN101532820A true CN101532820A (en) | 2009-09-16 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102927915A (en) * | 2012-11-01 | 2013-02-13 | 上海市质量监督检验技术研究院 | Non-contact bed mattress surrounding edge height measuring device |
| CN103791975A (en) * | 2013-05-07 | 2014-05-14 | 北京光电技术研究所 | Automatic measuring device for volumes of horizontal metal tanks |
| CN103940487A (en) * | 2014-05-13 | 2014-07-23 | 国家电网公司 | Rapid detection method of water level variation equivalent of deaerator |
| CN109029565A (en) * | 2018-07-17 | 2018-12-18 | 杰瑞石油天然气工程有限公司 | A method of accurately calculating LNG volume and weight in storage tank |
| CN109733813A (en) * | 2018-03-30 | 2019-05-10 | 张志波 | A kind of rotating mechanism being provided with height adjuster |
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2009
- 2009-04-23 CN CN200910082541A patent/CN101532820A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927915A (en) * | 2012-11-01 | 2013-02-13 | 上海市质量监督检验技术研究院 | Non-contact bed mattress surrounding edge height measuring device |
| CN103791975A (en) * | 2013-05-07 | 2014-05-14 | 北京光电技术研究所 | Automatic measuring device for volumes of horizontal metal tanks |
| CN103791975B (en) * | 2013-05-07 | 2017-02-08 | 北京光电技术研究所 | Automatic measuring device for volumes of horizontal metal tanks |
| CN103940487A (en) * | 2014-05-13 | 2014-07-23 | 国家电网公司 | Rapid detection method of water level variation equivalent of deaerator |
| CN109733813A (en) * | 2018-03-30 | 2019-05-10 | 张志波 | A kind of rotating mechanism being provided with height adjuster |
| CN109733813B (en) * | 2018-03-30 | 2020-11-27 | 温岭市程达精密铸件有限公司 | Rotating mechanism provided with height adjusting device |
| CN109029565A (en) * | 2018-07-17 | 2018-12-18 | 杰瑞石油天然气工程有限公司 | A method of accurately calculating LNG volume and weight in storage tank |
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