CN103712900A - Method and device for detecting pore uniformity of tuning network - Google Patents
Method and device for detecting pore uniformity of tuning network Download PDFInfo
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- CN103712900A CN103712900A CN201310660623.7A CN201310660623A CN103712900A CN 103712900 A CN103712900 A CN 103712900A CN 201310660623 A CN201310660623 A CN 201310660623A CN 103712900 A CN103712900 A CN 103712900A
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Abstract
The invention discloses a method and a device for detecting pore uniformity of a tuning network. The method comprises the following steps: acquiring a tuning network image; selecting a plurality of regions in the tuning network image, respectively calculating porosity of each region and comparing all the obtained porosity; if the porosity values are not the same, determining that the tuning network pores are not uniform; and if the porosity values are the same, determining the tuning network pores have uniformity. The method for detecting pore uniformity of the tuning network provided by the technical scheme of the invention has simple operations and quick and accurate detection results.
Description
Technical field
The tuning net field that the present invention relates to use in electro-acoustic product, the particularly conforming method and apparatus of a kind of detection tuning mesh gap.
Background technology
Tuning net is widely used in the electro-acoustic products such as earphone, loudspeaker, tuning net is in manufacturing process, because the problem of apparatus and process can exert an influence to the homogeneity of tuning net grid, therefore, how simply and effectively tuning mesh gap consistance to be detected as to distinct issues.
Summary of the invention
The invention provides the conforming method and apparatus of a kind of detection tuning mesh gap, in order to solve the problem how simply and effectively tuning net consistance to be detected.
According to an aspect of the present invention, provide a kind of detection tuning mesh gap conforming method, the method comprises:
Obtain the image of tuning net;
On the image of tuning net, choose several regions, calculate respectively the porosity in each region, all porositys that obtain are compared;
If the value of porosity is not identical, determine that the hole of this tuning net does not have consistance; If the value of porosity is identical, determine that the hole of this tuning net has consistance.
Shape or the area in several regions of choosing in one embodiment of the invention, are identical or different.
In one embodiment of the invention, the porosity of calculating respectively each region comprises: for each region, choose the arbitrary hole in this region, calculate the hole area S1 in this hole;
The average floor area S2 that calculates single hole in this region, the porosity in this region can be obtained by S1/S2.
In one embodiment of the invention, the porosity of calculating respectively each region comprises: for each region, choose a plurality of holes and calculate the average hole area S3 of this region mesopore;
The average floor area S4 that calculates single hole in this region, the porosity in this region can be obtained by S3/S4.
In one embodiment of the invention, the method also comprises: the mean porosities of calculating some regions of choosing;
The porosity in some regions and mean porosities are compared respectively, if there is deviation, tuning net backward batch is produced feedback so that the production of the respective regions of the tuning net of rear batch can be adjusted according to described deviation.
According to another aspect of the present invention, provide a kind of detection tuning mesh gap conforming device.This device comprises: image acquisition unit, porosity is calculated unit, hole consistance judging unit.
Image acquisition unit, for obtaining the image of tuning net;
Porosity is calculated unit, for choosing several regions on the image at tuning net, calculates respectively the porosity in each region;
Hole consistance judging unit, for all porositys are compared, if the value of porosity is not identical, determines that the hole of this tuning net does not have consistance; If the value of porosity is identical, determine that the hole of this tuning net has consistance.
Shape or the area in several regions of choosing in one embodiment of the invention, are identical or different.
In one embodiment of the invention, porosity is calculated the porosity of calculating respectively each region in unit and is comprised: for each region, choose the arbitrary hole in this region, calculate the hole area S1 in this hole;
The average floor area S2 that calculates single hole in this region, the porosity in this region can be obtained by S1/S2.
In one embodiment of the invention, porosity is calculated the porosity of calculating respectively each region in unit and is comprised: for each region, choose a plurality of holes and calculate the average hole area S3 of this region mesopore;
The average floor area S4 that calculates single hole in this region, the porosity in this region can be obtained by S3/S4.
In one embodiment of the invention, this device also comprises: tuning net adjustment unit; Tuning net adjustment unit, for calculating the mean porosities in some regions of choosing; And the porosity in some regions and mean porosities are compared respectively, if there is deviation, tuning net backward batch is produced feedback so that the production of the respective regions of the tuning net of rear batch can be adjusted according to described deviation.
The conforming method and apparatus of this detection tuning mesh gap provided by the invention is simple to operate, avoided the loaded down with trivial details work of manual detection, and testing result quick and precisely.
Accompanying drawing explanation
Fig. 1 is a kind of process flow diagram that detects the conforming method of tuning mesh gap that the embodiment of the present invention provides;
Fig. 2 is a kind of block diagram that detects the conforming method of tuning mesh gap that the embodiment of the present invention provides;
Fig. 3-1st, the tuning net image enlarged diagram that one embodiment of the invention provides;
Fig. 3-2nd, the tuning net porosity that one embodiment of the invention provides is calculated schematic diagram.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Fig. 1 is a kind of process flow diagram that detects the conforming method of tuning mesh gap that the embodiment of the present invention provides.Referring to Fig. 1, a kind of conforming method of detection tuning mesh gap that the embodiment of the present invention provides comprises: step 110, obtain the image of tuning net;
In the present embodiment, tuning net is generally that its single hole region is smaller according to the fine-structure mesh of certain establishment rules braiding, while therefore obtaining the image of tuning net in step 110, preferably adopts high-definition camera to take, when image amplifies many times, image still keeps clear easy resolution.Further, can carry out repeatedly image acquisition by the tuning net under equal state, then synthetic these images of stack, form more clear image accurately.
Shape or the area in several regions of choosing in one embodiment of the invention, are identical or different.
In one embodiment of the invention, the porosity of calculating respectively each region comprises: for each region, choose the arbitrary hole in this region, calculate the hole area S1 in this hole; The average floor area S2 that calculates single hole in this region, the porosity in this region can be obtained by S1/S2.
In one embodiment of the invention, the porosity of calculating respectively each region comprises: for each region, choose a plurality of holes and calculate the average hole area S3 of this region mesopore; The average floor area S4 that calculates single hole in this region, the porosity in this region can be obtained by S3/S4.
Fig. 2 is the conforming block diagram of a kind of detection tuning mesh gap that the embodiment of the present invention provides, and referring to Fig. 2, the conforming judgement of tuning mesh gap is specially: obtain the image of tuning net, to calculate the porosity of tuning net.Referring to Fig. 2, on the image of tuning net, choose three onesize zoness of different.Selection area one, the porosity of zoning one.Selection area two, the porosity of zoning two.Selection area three, the porosity of zoning three.The porosity that obtains these three zoness of different is compared, according to value output result of determination relatively.If the value of the porosity of these three zoness of different is identical, judge that the hole of this tuning net has consistance.If the value of the porosity of these three zoness of different is not identical, judge that the hole of this tuning net does not have consistance.
Porosity calculating method one
Fig. 3 is the tuning net image enlarged diagram that one embodiment of the invention provides.In one embodiment of the invention, on the enlarged image of tuning net, select three zoness of different, calculate respectively the porosity of this zones of different.For each region, choose the arbitrary hole in this region, calculate the area S1 in this hole; The average area S2 that calculates single hole in this region, the porosity in this region can be obtained by S1/S2.
Referring to Fig. 3-1, a kind of account form of concrete porosity is: a selected foursquare region, a hole of the chosen area leftmost side, locates the mid point A of this hole inwall, B, C, D.Measure the distance A C between A and C; Measure the distance BD between B and D.Calculate the area S1 that this hole is equivalent to rectangle, i.e. S1=AC*BD.
Select and the hole of this hole with another corner of a line, locate an outer wall mid point E in this hole, measure A to the distance A E of E; Select the hole with another corner of these same row in hole, locate an outer wall mid point F in this hole, measure A to the distance A F of F; Calculate the average total area S2 that single hole accounts for, i.e. S2=AE*AF/ (N*N).Wherein N is the quantity in a line hole in selection area.The porosity of this tuning net can be obtained by S1/S2.
Porosity is calculated method two
Fig. 3-2nd, the tuning net porosity that one embodiment of the invention provides is calculated schematic diagram.Referring to Fig. 3-2, the another kind of account form of porosity is particularly: first, for each selected region, choose a plurality of holes and calculate the average hole area S3 of this region mesopore in region.
For example, in chosen area, with 3 holes of a line, calculate respectively the hole area in these 3 holes, the computing method of computing method and aforementioned S1 are identical.The hole area in these 3 holes that calculate is added, obtains the average hole area in these 3 holes, i.e. S3.
Secondly, calculate the average floor area S4 in single hole in this region.Wherein a kind of account form of S4 is identical with the account form of S2.The another kind of account form of average floor area S4 is: a hole in chosen area (holes 1 shown in Fig. 3-2), and the area in the region identical with this hole shape (the empty frame parts shown in Fig. 3-2) being comprised of mid point the peripheral region structure in this hole 1 calculates the floor area in each hole; Then according to the floor area in each hole, calculate the average floor area S4 portalling.
Finally, the porosity in this region can be obtained by S3/S4.
Fig. 3-1 and Fig. 3-2nd, the concrete calculating of exemplary explanation porosity, because tuning net forms unlike the straight line shown in Fig. 3-1 and Fig. 3-2, but formed by the columniform line with certain diameter, between inner and outer wall, there is certain distance, apart from size, may not wait yet.So adopted these two concepts of inner and outer wall in hole when calculating the porosity of tuning net.It is emphasized that when calculating the average total area in single hole, should, according to the size of tuning net sample, get the quantity in hole more as far as possible and measure to guarantee the accurate of measurement result.That is to say, when calculating S2, it is large that the value of N will be tried one's best.
Porosity measurement by said method to each batch of tuning net sample, can detect the consistance of each batch of tuning mesh gap.
Calculate after the porosity in some regions of choosing, the present invention also comprises the mean porosities of calculating some regions of choosing; And the porosity in some regions and mean porosities are compared respectively, if there is deviation, tuning net that can be backward batch is produced this deviation of feedback, so that the production of the respective regions of the tuning net of rear batch can be adjusted according to deviate, can better instruct the production of tuning net, improve the yield that tuning net is produced.
According to another aspect of the present invention, provide a kind of detection tuning mesh gap conforming device.This device comprises: image acquisition unit, porosity is calculated unit, hole consistance judging unit.
Image acquisition unit, for obtaining the image of tuning net;
Porosity is calculated unit, for choosing several regions on the image at tuning net, calculates respectively the porosity in each region;
Hole consistance judging unit, for all porositys are compared, if the value of porosity is not identical, determines that the hole of this tuning net does not have consistance; If the value of porosity is identical, determine that the hole of this tuning net has consistance.
In one embodiment of the invention, image acquisition unit can comprise high-definition camera, and when the image of its shooting amplifies many times, image still keeps clear easy resolution.Further, image acquisition unit can comprise the camera with high vision processing capacity, by the tuning net under equal state, carries out repeatedly image acquisition, and then synthetic these images of stack, form more clear image accurately.Shape or the area in several regions that image acquisition unit is chosen are identical or different.
In one embodiment of the invention, porosity is calculated the porosity of calculating respectively each region in unit and is comprised: for each region, choose the arbitrary hole in this region, calculate the hole area S1 in this hole;
The average floor area S2 that calculates single hole in this region, the porosity in this region can be obtained by S1/S2.
In one embodiment of the invention, porosity is calculated the porosity of calculating respectively each region in unit and is comprised: for each region, choose a plurality of holes and calculate the average hole area S3 of this region mesopore;
The average floor area S4 that calculates single hole in this region, the porosity in this region can be obtained by S3/S4.
In one embodiment of the invention, this device also comprises: tuning net adjustment unit; Tuning net adjustment unit, for calculating the mean porosities in some regions of choosing; And the porosity in some regions and mean porosities are compared respectively, if there is deviation, tuning net backward batch is produced this deviation of feedback, so that the production of the respective regions of the tuning net of rear batch can be adjusted according to deviate.
The conforming method and apparatus of this detection tuning mesh gap provided by the invention is simple to operate, and testing result quick and precisely.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.All any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., be all included in protection scope of the present invention.
Claims (10)
1. detect the conforming method of tuning mesh gap, it is characterized in that, described method comprises:
Obtain the image of tuning net;
On the image of tuning net, choose several regions, calculate respectively the porosity in each region, all porositys that obtain are compared;
If the value of described porosity is not identical, determine that the hole of this tuning net does not have consistance; If the value of described porosity is identical, determine that the hole of this tuning net has consistance.
2. the method for claim 1, is characterized in that, described in shape or the area in several regions of choosing identical or different.
3. the method for claim 1, is characterized in that, the described porosity of calculating respectively each region comprises:
For each region, choose the arbitrary hole in this region, calculate the hole area S1 in this hole;
The average floor area S2 that calculates single hole in this region, the porosity in this region can be obtained by S1/S2.
4. the method for claim 1, is characterized in that, the described porosity of calculating respectively each region comprises:
For each region, choose a plurality of holes and calculate the average hole area S3 of this region mesopore;
The average floor area S4 that calculates single hole in this region, the porosity in this region can be obtained by S3/S4.
5. the method as described in any one in claim 1 to 4, is characterized in that, also comprises:
The mean porosities in some regions of choosing described in calculating;
The porosity in described some regions and described mean porosities are compared respectively, if there is deviation, tuning net backward batch is produced feedback so that the production of the respective regions of the tuning net of rear batch can be adjusted according to described deviation.
6. detect the conforming device of tuning mesh gap, it is characterized in that, described device comprises: image acquisition unit, and porosity is calculated unit, hole consistance judging unit;
Described image acquisition unit, for obtaining the image of tuning net;
Described porosity is calculated unit, for choosing several regions on the image at tuning net, calculates respectively the porosity in each region;
Described hole consistance judging unit, for described porosity is compared, if the value of described porosity is not identical, determines that the hole of this tuning net does not have consistance; If the value of described porosity is identical, determine that the hole of this tuning net has consistance.
7. device as claimed in claim 6, is characterized in that, described in shape or the area in several regions of choosing identical or different.
8. device as claimed in claim 6, is characterized in that, described porosity is calculated the porosity of calculating respectively each region in unit and comprised:
For each region, choose the arbitrary hole in this region, calculate the hole area S1 in this hole;
The average floor area S2 that calculates single hole in this region, the porosity in this region can be obtained by S1/S2.
9. device as claimed in claim 6, is characterized in that, described porosity is calculated the porosity of calculating respectively each region in unit and comprised:
For each region, choose a plurality of holes and calculate the average hole area S3 of this region mesopore;
The average floor area S4 that calculates single hole in this region, the porosity in this region can be obtained by S3/S4.
10. the device as described in any one in claim 6 to 9, is characterized in that, this device also comprises: tuning net adjustment unit;
Described tuning net adjustment unit, for the mean porosities in some regions of choosing described in calculating; And the porosity in described some regions and described mean porosities are compared respectively, if there is deviation, tuning net backward batch is produced feedback so that the production of the respective regions of the tuning net of rear batch can be adjusted according to described deviate.
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| CN201310660623.7A CN103712900B (en) | 2013-12-09 | 2013-12-09 | A kind of detection tuning conforming method and apparatus of mesh gap |
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| CN201310660623.7A CN103712900B (en) | 2013-12-09 | 2013-12-09 | A kind of detection tuning conforming method and apparatus of mesh gap |
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Cited By (1)
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| CN109342288A (en) * | 2018-11-02 | 2019-02-15 | 中国石油天然气股份有限公司 | The characterizing method of shale reservoir hole |
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