CN108197688A - A kind of coding mode with check code - Google Patents
A kind of coding mode with check code Download PDFInfo
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- CN108197688A CN108197688A CN201810120078.5A CN201810120078A CN108197688A CN 108197688 A CN108197688 A CN 108197688A CN 201810120078 A CN201810120078 A CN 201810120078A CN 108197688 A CN108197688 A CN 108197688A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06046—Constructional details
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Abstract
A kind of coding mode with check code of the present invention, it is characterized in that numeric data code is encoded by determining code length and becoming the coding mode of code length, calculate in numeric data code 1 number, and the binary number of this number is calculated, in numeric data code 0 is mended before the binary number of 1 number, until total bit is A, check code as this data bit, know code instrument reading code since location hole or the latter position of positioning bar code, when examining end of data hole or positioning bar code, terminate reading code, knowledge code check is carried out with numeric data code by knowing code instrument itself Inspection code.The present invention is compared with prior art, on the basis of original quarter code, increase check code, it is equivalent to and adds primary inspection to identification data, if inspection show that reading code is correct, instrument is normally read, and otherwise instrument reports an error, it solves the problems, such as that identification instrument misreads code itself and can not proofread, has the characteristics that recognition speed is fast, efficient.
Description
First, technical field
The present invention relates to a kind of code identification and calibration technology more particularly to a kind of coding modes with check code.
2nd, background technology
Identify the coding of this object using the method for mechanical engraving in many metal surfaces at present, it is simplest to be exactly
Using binary bar code.This code is suitable for the surface of metal objects, the end face of pipe cylindricality and arc surface.But severe
Operating mode under, often the part in these yard of area can be by mechanical damage and corrosion chemically, and the recess of data can be by foreign matter
The data identification for the methods of filling gives identified by image in this way, ranging identification, touch identification causes difficulty or even identification
Go out a wrong data.
Code according to mistake carrys out typing tube rod information and normally enters database, and database can be caused chaotic, cause following ask
Topic：
(1) when reusing the pipe of this yard, in fact it could happen that two, need to screen again and typing information is examined to enter data
Library, considerably increases workload, and working efficiency is low；
(2) since the long short life access times of every pipe and present situation are all different, distributing these pipes can be according to typing
Information be configured, information error causes this root pipe to be used in unsuitable position, security risk occurs；
(3) for different pipes from different producers, when quality problems occurs in pipe, reading code is correct, this is inquired with this
The producer of pipe to solve the problems, such as, optimizes our oil pipe quality, if reading code identifies mistake, None- identified producer, tracking pipe
The source of son can not then improve the quality of oil pipe.
3rd, invention content
The present invention is based on problem above, and survival ability and the discrimination for providing a kind of coding are high, and recognition speed is fast, can be certainly
Body identification mistake is simultaneously proofreaded, and reaches a kind of coding mode with check code of the requirement of the equipment digitalized management of underground work.
The present invention is achieved by the following technical solutions：
A kind of coding mode with check code, it is characterised in that the coding mode of numeric data code is divided into two kinds, respectively fixed
Code length and change code length, calculate in numeric data code 1 number, and the binary number of the sum of 1 number is calculated, in numeric data code
In 1 number binary number before mend 0, to total bit for until A, as the check code of this data bit, the verification
Code is examined for end face code, axial code and radial direction code, knowledge code instrument reading code since the latter position of location hole to data knot
During beam hole, the information of the numeric data code in verification data information is gone with check code, while check code is verified with the information of numeric data code,
The two etc. terminate reading code.
A kind of coding mode with check code, it is characterized in that the code length coding mode of determining is：Fixed number
According to the digit X of code, it is exactly 1 that every code, which is not 0, then the total quantity of code is 2 X powers.
A kind of coding mode with check code, it is characterized in that the time-varying code long codes mode is：Pipe number is from 1
Start to add up, code bit number is calculated according to the binary system of pipe number, it is 1 or 0 to determine each code bit.
A kind of coding mode with check code, it is characterized in that the whole sequence of the check code is placed on data field
Forepart or rear portion are placed on by different algorithms on the different location of data field.
A kind of coding mode with check code, it is characterized in that the end face code is by the end face circumference of pipe fitting
360 ° are divided into location hole, check field, data field and end of data hole.
A kind of coding mode with check code, it is characterized in that first verification of the location hole and check field
Central angle between the hole position of code is D, the hole position of the numeric data code of Kong Weiyu data fields first of the last one check code of check field
Between central angle for E, the central angle between the hole position of each numeric data code in data field is E, the last one numeric data code of data field
Central angle between hole position and end of data hole is C, the D ≠ E ≠ C.
A kind of coding mode with check code, it is characterized in that the axial face of pipe fitting is divided by the axial code
Position bar code, check field, data field and end of data bar code.
A kind of coding mode with check code, it is characterized in that the positioning bar code and first school of check field
The width tested between the strip slot position of code is L, the slot position of the strip of the last one check code of check field and data field first
Width between the slot position of the strip of a numeric data code is M, and the width between the strip slot position of each numeric data code in data field is
M, the width between the strip slot position of the last one numeric data code of data field and end of data bar code are N, the L ≠ M ≠ N；
A kind of coding mode with check code, it is characterized in that the radial direction code is carved along the outside diameter hoop of pipe fitting
Road, circumferentially radial distribution.
Compared with prior art, the present invention on the basis of original quarter code, check code is increased, is equivalent to and gives identification data
Add primary inspection, show that reading code is correct if examining, instrument is normally read, and otherwise instrument reports an error.The present invention solves yard area
Partially due to corrosion or foreign matter by mechanical damage and chemically fills, identify error code, cause information errors, number
According to library confusion, cause administrative staff information management mistake, it is chaotic the problem of, the present invention also has that recognition speed is fast, effect in addition
The characteristics of rate is high.
4th, it illustrates
Fig. 1 is the structure diagram of end face code of the present invention with check code；
Fig. 2 is the structure diagram of radial direction code of the present invention with check code；
Fig. 3 is the structure diagram of axial code of the present invention with check code.
5th, specific embodiment
The present invention implements and uses in Shengli Oil Field triumph development of automation Co., Ltd.
The present invention is further explained with reference to the accompanying drawings of the specification,
First, numeric data code is encoded.There are " fixed length code " and " variable length code " two kinds of coding modes respectively：Determine code length coding
Mode is：The digit X of fixed data code, it is exactly 1 that every code, which is not 0, then the total quantity of code is 2 X powers；Time-varying code long codes side
Formula is：Pipe number adds up since 1, calculates data code bit number according to the binary system of pipe number, and determine that each code bit is 1 or 0.
Such as：Time-varying code long codes mode：
No. 1 pipe --- 1 binary number is 1, then the code number of the pipe is 1；
No. 2 pipes --- 2 binary number is 10, then the code number of the pipe is 10；
No. 10 pipes --- 10 binary number is 1010, then the code number of the pipe is 1010；
No. 100000 pipes --- 100000 binary number is 11000011010100000；Then the code number of the pipe is
11000011010100000。
Then, check code is encoded.Calculate in numeric data code 1 number, and by the binary number of the sum of 1 number
It calculates, 0 is mended before the binary number of 1 number in numeric data code, until total bit is A, as this numeric data code
Check code.
Such as：The digit for now determining code is up to 32 (i.e. X=32), and under the coding mode of " determining code length ", numeric data code is
00001011001100110010000101001010；Under the coding mode of " becoming code length ", numeric data code is
1011001100110010000101001010。
In above-mentioned two needles coding mode, the number of " 1 " is in numeric data code：12,12 binary number is 1100, less than 5
Position, before mend 10, then check code be：01100.As X=32, cataloged procedure is with the coding mode for determining code length, and digit is most
31 a height of (i.e. from total data 32 be all that of 1 removes), and 31 binary number is 11111, is 5
Number.Then when in pipe numeric data code 1 digit is not higher than 31,5 bit check codes use (i.e. A=5) enough.
If coding mode of the numeric data code with " determining code length ", 32 powers that codified sum is 2 subtract 1 and obtain 4294967295
It is a；
If coding mode of the numeric data code with " become code length ", 32 powers that codified sum is 2 subtract 1 and subtract 1 again
4294967294；
So far, the digit for determining code is up to that 32 (i.e. X=32) quantity are used enough, then is needed if adding up, then school
Testing code also accordingly increases digit.
After determining numeric data code and check code, quarter code is carried out to pipe fitting.
End face code as shown in Figure 1, is divided into location hole, check field, data field by 360 ° of the end face circumference of the tubing such as oil pipe
With end of data hole；Imprinting alignment code, check code, data on location hole, check field, data field and the hole in end of data hole position
Code and data end code are the quarter holes of " 1 ", are that " 0 " is skipped and do not carved.
Central angle between the hole position of first check code of location hole and check field is D；
Central angle between the hole position of the numeric data code of Kong Weiyu data fields first of the last one check code of check field is E；
Central angle between the hole position of each numeric data code in data field is E；
Central angle between the hole position of the last one numeric data code of data field and end of data hole is C, the D ≠ E ≠ C；
Such as：D=5 °, E=7.2 °, C=6 °.
Radial direction code as described in Figure 2 carves road, circumferentially radial distribution along the outside diameter hoop of pipe fitting.End face outside diameter hoop point
For location hole, check field, data field and end of data hole；On location hole, check field, data field and the hole in end of data hole position
Imprinting alignment code, check code, numeric data code and data end code are the quarter holes of " 1 ", are that " 0 " is skipped and do not carved.
Central angle between the hole position of first check code of location hole and check field is D；
Central angle between the hole position of the numeric data code of Kong Weiyu data fields first of the last one check code of check field is E；
Central angle between the hole position of each numeric data code in data field is E；
Central angle between the hole position of the last one numeric data code of data field and end of data hole is C, the D ≠ E ≠ C；
Such as：D=4 °, E=3 °, C=5 °.
Axial code as shown in Figure 3：The axial plane of structure of pipe is set as positioning bar code, check field, data field, data knot
Beam bar code.
The groove of imprinting strip in positioning bar code, check field, data field, end of data area is 1 quarter strip
Groove is 0 not carve.
Width between the strip slot position of described first check code of positioning bar code and check field is L；
The slot position of the strip of the last one check code of check field and the slot position of the strip of first numeric data code in data field
Between width be M；
Width between the strip slot position of each numeric data code in data field is M；
Width between the strip slot position of the last one numeric data code of data field and end of data hole is N, the L ≠ M
≠N；
Such as：L=3mm, M=0mm, N=3.5mm.
Identify checking procedure：The knowledge code instrument is from location hole or positions the latter position of bar code (i.e. check field first
The position of check code) start reading code, when examining to end of data hole or end of data bar code, terminate reading code.By knowing code instrument
Device itself Inspection code and numeric data code if being unsatisfactory for pre-defined algorithm, know code instrument and report an error, know code failure.
Claims (9)
1. a kind of coding mode with check code, it is characterised in that the coding mode of numeric data code is divided into two kinds, respectively determines code
Long and change code length, calculates in numeric data code 1 number, and the binary number of the sum of 1 number is calculated, in numeric data code
0 is mended before the binary number of 1 number, until total bit is A, as the check code of this data bit, the check code
For end face code, axial code and radial direction code, the knowledge code instrument reading code, inspection since location hole or the latter position of positioning bar code
When testing end of data hole or end of data bar code, the information of the numeric data code in verification data information is gone with check code, simultaneously
Check code is verified with the information of numeric data code, and the two etc. terminates reading code.
2. a kind of coding mode with check code according to claim 1, it is characterized in that described determines code length coding staff
Formula is：The digit X of fixed data code, it is exactly 1 that every code, which is not 0, then the total quantity of code is 2 X powers.
3. a kind of coding mode with check code according to claim 1, it is characterized in that the time-varying code long codes side
Formula is：Pipe number adds up since 1, calculates code bit number according to the binary system of pipe number, it is 1 or 0 to determine each code bit.
4. a kind of coding mode with check code according to claim 1, it is characterized in that the whole sequence of the check code
It is placed on the forepart of data field or rear portion or is placed on the different location of data field by different algorithms.
5. a kind of coding mode with check code according to claim 1, it is characterized in that the end face code is by pipe
360 ° of the end face circumference of part is divided into location hole, check field, data field and end of data hole.
6. a kind of coding mode with check code according to claim 1 and 5, it is characterized in that the location hole and school
The central angle between the hole position of first, area check code is tested as D, the Kong Weiyu data fields first of the last one check code of check field
Central angle between the hole position of a numeric data code is E, and the central angle between the hole position of each numeric data code in data field is E, and data field is most
Central angle between the hole position of the latter numeric data code and end of data hole is C, the D ≠ E ≠ C.
7. a kind of coding mode with check code according to claim 1, it is characterized in that the axial code is by pipe fitting
Axial face be divided into positioning bar code, check field, data field and end of data bar code.
8. a kind of coding mode with check code according to claim 1 and 7, it is characterized in that the positioning bar code with
Width between the strip slot position of first check code of check field is L, the slot of the strip of the last one check code of check field
Width between the slot position of the strip of position and first numeric data code in data field is M, the strip slot of each numeric data code in data field
Width between position is M, and the width between the strip slot position of the last one numeric data code of data field and end of data bar code is N,
L ≠ the M ≠ N.
9. a kind of coding mode with check code according to claim 1, it is characterized in that the radial direction code is along pipe fitting
Outside diameter hoop carve road, circumferentially radial distribution.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117472035A (en) * | 2023-12-27 | 2024-01-30 | 东方电气风电股份有限公司 | Verification method for software and hardware of main control system |
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Patent Citations (5)
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| CN103746774A (en) * | 2014-01-03 | 2014-04-23 | 中国人民解放军国防科学技术大学 | Error resilient coding method for high-efficiency data reading |
| CN105005511A (en) * | 2015-06-30 | 2015-10-28 | 宁波东海仪表水道有限公司 | Serial communication data checking method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117472035A (en) * | 2023-12-27 | 2024-01-30 | 东方电气风电股份有限公司 | Verification method for software and hardware of main control system |
| CN117472035B (en) * | 2023-12-27 | 2024-03-08 | 东方电气风电股份有限公司 | Verification method for software and hardware of main control system |
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Application publication date: 20180622 Assignee: SHENGLI OILFIELD VICTORY AUTOMATION DEVELOPMENT Co.,Ltd. Assignor: Li Xining|Shi Yue Contract record no.: X2021980004119 Denomination of invention: A coding method with check code Granted publication date: 20210518 License type: Exclusive License Record date: 20210528 |
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