CN113280782A - Detection method of quadrature instrument - Google Patents

Detection method of quadrature instrument Download PDF

Info

Publication number
CN113280782A
CN113280782A CN202110499918.5A CN202110499918A CN113280782A CN 113280782 A CN113280782 A CN 113280782A CN 202110499918 A CN202110499918 A CN 202110499918A CN 113280782 A CN113280782 A CN 113280782A
Authority
CN
China
Prior art keywords
detection
density
integrator
precision
sheet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202110499918.5A
Other languages
Chinese (zh)
Other versions
CN113280782B (en
Inventor
王舜
万峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Municipal Highway Engineering Testing Co ltd
Original Assignee
Shanghai Municipal Highway Engineering Testing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Municipal Highway Engineering Testing Co ltd filed Critical Shanghai Municipal Highway Engineering Testing Co ltd
Priority to CN202110499918.5A priority Critical patent/CN113280782B/en
Publication of CN113280782A publication Critical patent/CN113280782A/en
Application granted granted Critical
Publication of CN113280782B publication Critical patent/CN113280782B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/28—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring areas
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/30—Computing systems specially adapted for manufacturing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

The application relates to the field of highway detection equipment checking, and discloses a detection method of an integrator, which comprises the following steps: s1, manufacturing or taking a detection sheet with uniform density and thickness, wherein the thickness of the detection sheet is d; s2, acquiring the accurate density of the detection sheet; s3, cutting the detection sheet to an irregular shape; s4, weighing the weight of the cut detection piece, measuring the area of the cut detection piece by using a to-be-detected integrator, and calculating the experiment density of the cut detection piece; and S5, comparing the experiment density with the precision density, wherein the precision of the product calculating instrument is higher if the experiment density is closer to the precision density, and the precision of the product calculating instrument is worse if the difference between the experiment density and the precision density is larger. The method has the advantages of simple operation, low detection condition and reliable result.

Description

Detection method of quadrature instrument
Technical Field
The application relates to the field of highway detection equipment checking, in particular to a detection method of an integrator.
Background
At present, an integrator is widely used for mapping drawings in highway detection, and the integrator is used for moving a circle along the edge of an irregular pattern in the drawings to obtain the area of the irregular pattern. However, after the quadrature instrument is used for a long time, errors are easy to generate, so that the quadrature instrument can be checked regularly, and the quadrature instrument is ensured to keep good measurement accuracy.
At present, when the use personnel is detecting by the quadrature device, the user mostly adopts the quadrature device to detect the pictures with regular shapes, calculates the area by utilizing the calculation formula with regular shapes, and checks the reading of the quadrature device, thereby judging the accuracy of quadrature.
Disclosure of Invention
In order to check the measurement accuracy of the special-shaped area detected by the integrator more accurately, the application provides a detection method of the integrator.
The detection method of the quadrature instrument adopts the following technical scheme:
a detection method of an integrator comprises the following steps:
s1, manufacturing or taking a detection sheet with uniform density and thickness, wherein the thickness of the detection sheet is d;
s2, obtaining the accurate density rho of the detection sheet1；
S3, cutting the detection sheet to an irregular shape;
s4, weighing the cut detection piece2Measuring the area S of the cut detection piece by using an integrator to be detected2Then through D2/(S2D) calculating the experiment density rho of the cut detection piece2；
S5, comparing the experimental density rho2And precision density ρ1If the experimental density ρ2Closer to the precision density ρ1The higher the precision of the integrator, if the experiment density rho2And precision density rho1The larger the phase difference is, the worse the precision of the integrator is.
By adopting the technical scheme, the accurate density rho of the detection sheet is utilized1A certain attribute, and then measuring the measured area S by an integrator2Measurement of the Experimental Density ρ2I.e. the experimental density ρ2Closer to the precision density ρ1Then, the area S of the abnormal-shaped detection sheet measured by the integrator is described2The closer to the actual area, the more accurate the measurement accuracy of the integrator.
Preferably, step S2 includes the steps of:
s21, cutting the detection sheet to a regular shape, and calculating the surface area of the regular shape detection sheet by using a calculation formula of the regular shape;
s22, measuring the thickness of the regular shape detection piece, and calculating the volume of the regular shape detection piece by using a volume calculation formula;
s23, calculating the density of the regular shape detection piece by using a density calculation formula, and taking the density as the accurate density rho1。
By adopting the technical scheme, the detection piece is subjected to transition in a regular shape, so that the volume of the detection piece is convenient to calculate, and the accurate density rho is obtained by matching with weight data1。
Preferably, the detection sheet is made of paper with the thickness of 0.4-2 mm.
By adopting the technical scheme, the paper is convenient to obtain, low in cost, convenient to cut and easy to check.
Preferably, the mode of cutting the detection piece adopts die blanking.
Through adopting above-mentioned technical scheme, the paper that the mould blanking was come out is more regular, and the edge is more neat, and the paper after the quadrature appearance of being convenient for is convenient for remove along tailorring, reduces experimental error.
Preferably, the detection sheet is a metal sheet with the thickness of 0.5-2 mm.
Through adopting above-mentioned technical scheme, the nature of sheetmetal is more stable, is difficult for having the problem that the paper absorbs water, and the intensity of sheetmetal is higher, compares the paper, and its edge is difficult sunken or warp at the in-process that the friction of quadrature appearance removed.
Preferably, the detection piece is cut by linear cutting.
By adopting the technical scheme, the precision of the cut detection piece is ensured.
Preferably, step S1 further includes performing ultrasonic density measurement on the test piece.
By adopting the technical scheme, the density uniformity of the detection sheet is further ensured.
A detection method of an integrator comprises the following steps:
s1, manufacturing or taking a detection sheet with uniform density and thickness;
s2, cutting the detection sheet to a regular shape to obtain the quality D of the regular shape detection sheet1Measuring the area S of the regular shape detection piece1Through D1/S1Calculating a reference ratio i1；
S3, cutting the detection sheet to an irregular shape;
s4, weighing the cut detection piece2Measuring the area S of the cut detection piece by using an integrator to be detected2Through D2/S2Calculating an experimental ratio i2；
S5, comparing the reference ratio i1And experimental ratio i2If the ratio i is tested2Closer to the reference ratio i1The higher the precision of the integrator, if the experiment ratio i2Ratio to fine reference i1The larger the phase difference is, the worse the precision of the integrator is.
By adopting the technical scheme, the accurate density rho of the detection sheet is utilized1The difference lies in that the measurement precision is judged by utilizing the ratio, thereby reducing the measurement of the thickness of the detection piece, reducing the experimental error and further improving the precision of the check result.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the area of the special-shaped detection piece is measured by the product calculating instrument by utilizing the certain characteristic of the density of the detection piece, the experiment density is obtained by matching the quality of the special-shaped detection piece, the difference between the experiment density and the actual density of the detection piece is compared, the degree of the measurement error of the current product calculating instrument can be further known, the experiment operation is simple, and the reliability degree is high;
2. the metal sheet is adopted as the detection sheet, although the conditions for carrying out experiments can be increased, the metal sheet is not easy to absorb water, the shape stability is high, the density uniformity of the metal sheet of pure metal is also good, and the result accuracy of the detection sheet for detecting the quadrature instrument is better;
3. because the thickness of detecting the piece is not big, it is very easily to produce the error to measure, and this application still utilizes the even ground characteristic of detecting piece thickness, judges the precision of seeking the product through the ratio of weight and area, need not to measure the thickness that detects the piece to further improve the accuracy that detects.
Drawings
Fig. 1 is a flowchart of a detection method of an integrator in an embodiment of the present application.
Fig. 2 is a flowchart of a detection method of an integrator in the third embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to figures 1 and 2.
The embodiment of the application discloses a detection method of an integrator.
The first embodiment is as follows:
referring to fig. 1, a detection method of an integrator includes the following steps:
s1, taking a detection sheet with uniform density and thickness, wherein the thickness of the detection sheet is d, and performing ultrasonic density detection on the detection sheet by adopting ultrasonic declaration to ensure that the detection sheet has uniform density and no bubbles, cracks or wormholes, the detection sheet adopts paper with the thickness of 1mm in the embodiment, and the paper with a certain thickness is adopted, so that the requirement on a subsequent measuring instrument can be effectively reduced;
s2, obtaining the accurate density rho of the detection sheet1(ii) a Precision density rho of detection sheet1Can be directly known through a paper acquisition way, and the accurate density rho can be directly acquired if the direct acquisition is worried about1The method is not accurate enough, and the following scheme can be adopted to obtain the actual accurate density rho1Comprises the following steps;
s21, cutting the detection piece to a regular shape, such as a square or a circle, by using scissors or a die, and calculating the surface area of the regular shape detection piece by using a calculation formula of the regular shape;
s22, measuring the thickness of the regular shape detection piece by using a paper thickness gauge or a micrometer screw gauge, and calculating the volume of the regular shape detection piece by using a volume calculation formula;
s23, calculating the density of the regular shape detection piece by using a density calculation formula, and taking the density as the accurate density rho1。
S3, continuously cutting the detection sheet to an irregular shape;
s4, weighing the cut detection piece2Measuring the area S of the cut detection piece by using an integrator to be detected2Then through D2/(S2D) calculating the experiment density rho of the cut detection piece2；
S5, comparing the experimental density rho2And precision density ρ1If the experimental density ρ2Closer to the precision density ρ1The higher the precision of the integrator, if the experiment density rho2And precision density rho1The larger the phase difference is, the worse the precision of the integrator is.
The experimental condition of the embodiment requires lowly, and easy operation is convenient, is convenient for know the present work precision of quadrature appearance fast.
Example two:
a detection method of an integrator is different from that of the first embodiment in that a metal sheet with the thickness of 2mm, such as a stainless steel sheet or pure copper, is adopted as a detection sheet, the density uniformity of the pure copper is higher, and the detection sheet is cut in a linear cutting mode.
Compare in embodiment one, the paper has certain hydroscopicity, and the weight and the nature of sheetmetal are comparatively stable, and the experiment precision is better, is adopting the in-process that the quadrature appearance detected in addition, because the sheetmetal shape is comparatively stable, the quadrature appearance is walking the in-process at irregular detection piece edge, and is higher to irregular shape's collection precision, because the paper easily rolls up and buckles, for the use of cooperation sheetmetal, utilizes the cutting precision of wire-electrode cutting to ensure the sheetmetal.
Example three:
referring to fig. 2, a detection method of an integrator includes the following steps:
s1, manufacturing or taking a detection sheet with uniform density and thickness;
s2, cutting the detection sheet to a regular shape to obtain the quality D of the regular shape detection sheet1Measuring the area S of the regular shape detection piece1Through D1/S1Calculating a reference ratio i1；
S3, cutting the detection sheet to an irregular shape;
s4, weighing the cut detection piece2Measuring the area S of the cut detection piece by using an integrator to be detected2Through D2/S2Calculating an experimental ratio i2；
S5, comparing the reference ratio i1And experimental ratioi2If the ratio i is tested2Closer to the reference ratio i1The higher the precision of the integrator, if the experiment ratio i2Ratio to fine reference i1The larger the phase difference is, the worse the precision of the integrator is.
Compared with the first embodiment and the second embodiment, the present embodiment judges the current precision of the integrator through the comparison of the ratio, reduces the acquisition work of the thickness of the detection piece, and utilizes the certain characteristic of the thickness of the detection piece, thereby greatly reducing the detection error and further improving the accuracy of the detection result.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A detection method of an integrator is characterized in that: the method comprises the following steps:
s1, manufacturing or taking a detection sheet with uniform density and thickness, wherein the thickness of the detection sheet is d;
s2, obtaining the accurate density rho of the detection sheet1；
S3, cutting the detection sheet to an irregular shape;
s4, weighing the cut detection piece2Measuring the area S of the cut detection piece by using an integrator to be detected2Then through D2/(S2D) calculating the experimental density rho of the cut test piece2；
S5, comparing the experimental density rho2And precision density ρ1If the experimental density ρ2Closer to the precision density ρ1The higher the precision of the integrator, if the experiment density rho2And precision density rho1The larger the phase difference is, the worse the precision of the integrator is.
2. The detection method of the integrator of claim 1, wherein: step S2 includes the following steps:
s21, cutting the detection sheet to a regular shape, and calculating the surface area of the regular shape detection sheet by using a calculation formula of the regular shape;
s22, measuring the thickness of the regular shape detection piece, and calculating the volume of the regular shape detection piece by using a volume calculation formula;
s23, calculating the density of the regular shape detection piece by using a density calculation formula, and taking the density as the accurate density rho1。
3. The detection method of the integrator of claim 2, wherein: the detection sheet is made of paper with the thickness of 0.4-2 mm.
4. The detection method of an integrator as claimed in claim 3, wherein: the mode of cutting the detection piece adopts die blanking.
5. The detection method of the integrator of claim 2, wherein: the detection sheet is a metal sheet with the thickness of 0.5-2 mm.
6. The detection method of an integrator as claimed in claim 5, wherein: the mode of cutting the detection piece adopts linear cutting.
7. The detection method of the integrator of claim 1, wherein: step S1 further includes performing ultrasonic density measurement on the test piece.
8. A detection method of an integrator is characterized in that: the method comprises the following steps:
s1, manufacturing or taking a detection sheet with uniform density and thickness;
s2, cutting the detection sheet to a regular shape to obtain the quality D of the regular shape detection sheet1Measuring the area S of the regular shape detection piece1Through D1/S1Calculating a reference ratio i1；
S3, cutting the detection sheet to an irregular shape;
s4, weighing the cut detection piece2Measuring the area S of the cut detection piece by using an integrator to be detected2Through D2/S2Calculating an experimental ratio i2；
S5, comparing the reference ratio i1And experimental ratio i2If the ratio i is tested2Closer to the reference ratio i1The higher the precision of the integrator, if the experiment ratio i2Ratio to fine reference i1The larger the phase difference is, the worse the precision of the integrator is.
CN202110499918.5A 2021-05-08 2021-05-08 Detection method of product-seeking instrument Active CN113280782B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110499918.5A CN113280782B (en) 2021-05-08 2021-05-08 Detection method of product-seeking instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110499918.5A CN113280782B (en) 2021-05-08 2021-05-08 Detection method of product-seeking instrument

Publications (2)

Publication Number Publication Date
CN113280782A true CN113280782A (en) 2021-08-20
CN113280782B CN113280782B (en) 2023-05-19

Family

ID=77278209

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110499918.5A Active CN113280782B (en) 2021-05-08 2021-05-08 Detection method of product-seeking instrument

Country Status (1)

Country Link
CN (1) CN113280782B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1632460A (en) * 2005-01-10 2005-06-29 汝源 Solving process for area of irregular figure
CN101799283A (en) * 2010-04-01 2010-08-11 吉林大学 Nondestructive measuring method for leaf area of broad leaved plant
CN205670105U (en) * 2016-05-24 2016-11-02 沧州市计量测试所 Density Measuring Instrument calibrating installation
CN110031359A (en) * 2019-04-08 2019-07-19 深圳鸿鹏新能源科技有限公司 The scaling method of surface density measuring instrument
CN110470561A (en) * 2019-08-22 2019-11-19 江苏省纺织产品质量监督检验研究院 Mass area ratio detection method for tablet
CN110561610A (en) * 2019-09-19 2019-12-13 中建材创新科技研究院有限公司 Gypsum board thickness measuring system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1632460A (en) * 2005-01-10 2005-06-29 汝源 Solving process for area of irregular figure
CN101799283A (en) * 2010-04-01 2010-08-11 吉林大学 Nondestructive measuring method for leaf area of broad leaved plant
CN205670105U (en) * 2016-05-24 2016-11-02 沧州市计量测试所 Density Measuring Instrument calibrating installation
CN110031359A (en) * 2019-04-08 2019-07-19 深圳鸿鹏新能源科技有限公司 The scaling method of surface density measuring instrument
CN110470561A (en) * 2019-08-22 2019-11-19 江苏省纺织产品质量监督检验研究院 Mass area ratio detection method for tablet
CN110561610A (en) * 2019-09-19 2019-12-13 中建材创新科技研究院有限公司 Gypsum board thickness measuring system

Also Published As

Publication number Publication date
CN113280782B (en) 2023-05-19

Similar Documents

Publication Publication Date Title
CN201488689U (en) Measuring instrument for measuring minimum ground clearance of automobile
US20190064014A1 (en) Interface ultrasonic reflectivity-pressure relation curve establishment method and loading testbed
CN105004742A (en) Image quality indicator and radiographic testing quality judgment method applying same
CN112344864A (en) Precision calibration method and device for laser thickness and length synchronous measuring instrument
CN113280782B (en) Detection method of product-seeking instrument
US6105266A (en) Carpenter's roof pitch measuring device
CN108827197B (en) Linear array industrial CT homogeneous material size measurement method capable of reducing edge degradation influence
CN108844469A (en) A kind of method and system based on laser testing workpiece step height
CN204989067U (en) Image quality indicator
CN109238198B (en) Method for obtaining maximum processing error of curved surface parts processed in batch
CN101532809A (en) Standard model device for checking non-contact curved surface three-dimensional coordinate measuring instrument
CN109099880B (en) Rock mass structural plane roughness coefficient global search measuring method
CN207407775U (en) A kind of engine base seam allowance cubing
CN106225661A (en) Punching press bore dia device for fast detecting and method thereof on thin-wall part
CN215893461U (en) Core appearance height deviation detection device
CN207263165U (en) Measure wall column formwork installation verticality device
CN218724041U (en) Portable precision dimension measuring device
CN219301462U (en) Caliper with depth gauge
CN218066479U (en) Vertical detection ruler for building engineering
CN217303767U (en) Universal caliper calibrating device
CN212179773U (en) Crankshaft inner hole depth detection device
CN212963146U (en) Quick detection device of straight type screw thread degree of depth
CN215985205U (en) Automobile static side detection platform
CN218511687U (en) Variable pressure type thickness testing device
CN218003431U (en) Laser type concrete slump measuring and expansion measuring device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Wang Shun

Inventor after: Wan Feng

Inventor after: Yuan Song

Inventor before: Wang Shun

Inventor before: Wan Feng

CB03 Change of inventor or designer information