CN103968874A - Direct-reading gage register bar code character wheel - Google Patents
Direct-reading gage register bar code character wheel Download PDFInfo
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- CN103968874A CN103968874A CN201410183777.6A CN201410183777A CN103968874A CN 103968874 A CN103968874 A CN 103968874A CN 201410183777 A CN201410183777 A CN 201410183777A CN 103968874 A CN103968874 A CN 103968874A
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Abstract
The invention provides a direct-reading gage register bar code character wheel which is a cylinder. an axle hole is formed in the middle of the character wheel, a bar code is arranged on the side face of the cylinder in the circumferential direction, the bar code is composed of multiple sets of coding bars, Arabic numbers from 0 to 9 are arranged on the side face of the cylinder, one Arabic number corresponds to at least one set of coding bars in the axial direction, and a plurality of coding bars are arranged on the side face of the cylinder in the axial direction to form one set of coding bars. Each set of coding bars comprise at least two colors, and the coding bars are rectangular. The direct-reading gage register bar code character wheel is used for overcoming defects in the prior art.
Description
Technical field
The present invention relates to flow meter, is a kind of direct-reading gage register bar code character wheel.
Background technology
The various meter degree tables of counting for flow at present: the character wheel that the various gauging tables such as water meter, gas meter, flow meter, fuel gauge and ammeter are used all adopts transmission-type coding or reflective coding, the cambered surface length direction that coding is distributed on the side circumference of character wheel or on surrounding's face of character wheel is arranged, be embodied in character wheel around the form on face be that circumferential single color lump length direction is interrupted and arranges.The character wheel of this coded system need to adopt the photoelectric sensor reading out data that is welded on flexible material, and photoelectric sensor must be arranged along the periphery of character wheel.The deficiency of this character wheel is: the carrying pcb board of photoelectric sensor must have flexible, in character wheel cambered surface length direction distribution around, and need a plurality of photoelectric sensors interconnect use, the welding position of sensor requires high, slightly deviation is waste product, and the rate that manufactures a finished product is low; Circuit board needs flexible material to make, and manufactures complexity, and meanwhile, precision is lower; Character wheel angular resolution is low, is generally 4-8 degree, and resolution is low easily causes error in reading; The character wheel of encoding on the circumference of side need to be between two character wheels sensor installation pcb board, while very easily causing character wheel to rotate, be stuck, simultaneously, pcb board in sensor takies character wheel space, make the minimizing of valid data position or gauge outfit oversize, installation is complicated, failure rate is high, and maintenance capacity is large, and manufacturing cost is high.
Summary of the invention
The object of this invention is to provide a kind of direct-reading gage register bar code character wheel, to solve the deficiencies in the prior art.
The present invention for achieving the above object, be achieved through the following technical solutions: a kind of direct-reading gage register bar code character wheel, character wheel is right cylinder, axis hole is offered at character wheel middle part, bar code is circumferentially set on right cylinder side, and bar code is comprised of array encoding strip, and ten arabic numeral of 0-9 are set on right cylinder side, an at least axial corresponding group coding bar of arabic numeral, a group coding bar consists of several encoding strips axial array on right cylinder side.Described every group coding bar at least comprises two kinds of colors, and encoding strip is rectangle.Described encoding strip group is the corresponding arabic numeral of 2-6 group at least.The distribution of described encoding strip is by 30 parts of the circumferential deciles in the right cylinder side of character wheel, and every part 12 degree arranges a group coding bar in every 12 degree, and arabic numeral are positioned at 36 degree scopes.Encoding strip spacing in described encoding strip group equates.Character wheel right cylinder arranges positioning strip on side, positioning strip one week around right cylinder side, and positioning strip is axially positioned at bar code outside.In positioning strip inner side, calibration bars are set, calibration bars one week around right cylinder side, the color of positioning strip is different from the color of calibration bars.Adopt binary Gray code establishment bar code, bar code at least forms encoding strip group by two kinds of colors.The corresponding group coding bar of coding of each group scale-of-two Gray code, encoding strip is produced on character wheel right cylinder side, and each group coding bar at least consists of 4 encoding strips, and the encoding strip in each group coding bar is axial array on character wheel right cylinder side all.For metering gas, water, electricity, mileage and fuel oil direct-reading meter degree table.
Good effect of the present invention is: it adopts bar code circumferentially to distribute on the cylindrical side of character wheel, bar code by array encoding strip form, encoding strip in every group coding bar is axial array, the encoding strip of axial array is to be formed by least two kinds of colors correspondence of encoding vertically, and this character wheel can thoroughly solve all deficiencies that existing register character wheel exists.Character wheel of the present invention can adopt linear array photoelectric sensors to realize reading out data.By a linear array photoelectric sensors, can read the coded message on a plurality of character wheels, the error that does not exist a plurality of discrete sensor to cause due to installation site deviation, must adopt thereby thoroughly solved existing character wheel many deficiencies that between circumferencial direction sensor installation or character wheel, sensor installation pcb board brings.Character wheel of the present invention and linear array photoelectric sensors are used in conjunction with, and resolution is high, and angle-resolved degree generally can reach 0.85 degree left and right, can make reading accuracy high, does not occur mistake, and antijamming capability is strong.Character wheel of the present invention linear array photoelectric sensors in use does not take character wheel space while installing, and character wheel can not produce stuck phenomenon in rotation, and the failure rate of character wheel in serviceable life is zero.With character wheel of the present invention, make direct-reading gage utensil, can reduce the usage quantity of sensor, the connection welding that has reduced sensor, finished product rate and reach 100%, valid data position is many, low cost of manufacture, and meter degree degree of accuracy is high.Character wheel of the present invention also has the advantages such as the manufacture of being easy to.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of character wheel of the present invention; Accompanying drawing 2 is plan structure schematic diagram of accompanying drawing 1; Accompanying drawing 3 is backsight structural representations of accompanying drawing 1; Accompanying drawing 4 is the structural representations of looking up of accompanying drawing 1; Accompanying drawing 5 is left TV structure schematic diagram of accompanying drawing 1; Accompanying drawing 6 is right TV structure schematic diagram of accompanying drawing 1; Accompanying drawing 7 is stretch-out views of character wheel right cylinder side Gray code; Accompanying drawing 8 is to adopt encoding strip corresponding to binary coding and the schematic diagram of arabic numeral; Accompanying drawing 9 is to adopt encoding strip that scale-of-two Gray code arranging and encoding is corresponding and the schematic diagram of arabic numeral; Accompanying drawing 10 is to adopt the scale-of-two natural increasing encoding strip that sequentially arranging and encoding is corresponding and the schematic diagram of arabic numeral; Accompanying drawing 11 is to adopt scale-of-two random alignment encode corresponding encoding strip and the schematic diagram of arabic numeral.
In figure: the 1st, character wheel right cylinder side 2 arabic numeral 3 are that bar code 4 is that staying of right cylinder side white 5 is that positioning strip 6 is that calibration bars 7 are that encoding strip 8 is that character wheel end face 9 is that boss 10 is axis holes.
Embodiment
The present invention will be further described for contrast accompanying drawing.
A kind of direct-reading gage register bar code character wheel provided by the invention is right cylinder, axis hole is offered at character wheel middle part, bar code is circumferentially set on right cylinder side, bar code is comprised of array encoding strip, ten arabic numeral of 0-9 are set on right cylinder side, an at least axial corresponding group coding bar of arabic numeral, a group coding bar consists of several encoding strips axial array on right cylinder side.The encoding strip that the present invention designs on character wheel is axial array, when it is arranged on and uses in direct-reading gage register, can use linear array photoelectric sensors reading out data, while installing and using the length direction of linear array photoelectric sensors identical with several character wheel length arrangement directions, be arranged in parallel.By a linear array photoelectric sensors, can read the coded message on several character wheels, can make the structure of register significantly simplify, installation accuracy increases substantially, and make character wheel when rotating without any obstacle.One group coding bar can have three, four, five, six or more encoding strip, and the encoding strip number in a group coding bar is to reach design when request for utilization, and reducing as far as possible manufacturing cost is choice criteria.Preferred version of the present invention is that five encoding strip axial array while adopting binary coding form a group coding bar.When encoding strip adopts three-shift coding, with three encoding strips, can form a group coding bar, but the character wheel manufacturing cost of this structure raises.Linear array photoelectric sensors of the present invention also can be changed into line scan image sensor, and control circuit is made to corresponding change design, reach coded message on a plurality of character wheels of identification both can, the design of this control circuit adopts known technology to complete.
Every group coding bar of the present invention at least comprises two kinds of colors, and encoding strip is rectangle.The information of being convenient to the array mode reflection of sensor recognition coding, two kinds of colors are the schemes that reach the lowest production cost of request for utilization.Certainly, also can adopt three kinds or four kinds of colors, on character wheel, make multiple color, make manufacturing process relative complex.
During at least corresponding arabic numeral of the every group coding bar on character wheel of the present invention, can make linear array photoelectric sensors read coded message, still, preferred embodiments of the present invention are at least corresponding arabic numeral of 2-6 group of described encoding strip group.The coded message that this scheme can make character wheel when rotating, linear array photoelectric sensors be read is more, further improves the degree of accuracy of reading out data.
The present invention further preferred scheme is: the distribution of described encoding strip is by 30 parts of the circumferential deciles in the right cylinder side of character wheel, and every part 12 degree arranges a group coding bar in every 12 degree, and arabic numeral are positioned at 36 degree scopes.This is when reaching accuracy of reading, the selection that manufacturing cost is relatively low.
The present invention makes linear array photoelectric sensors reading out data more accurate in order further to realize character wheel in rotation, there is not the reading error between two numerals on character wheel, further improve reading accuracy, the further preferred version of making is: the encoding strip spacing in described encoding strip group equates.
The present invention, in order better to realize goal of the invention, reaches more excellent effect, and the coding method of choosing is with binary Gray code, to arrange the encoding strip of establishment bar code, at least by two kinds of colors, forms encoding strip group.The corresponding group coding bar of coding of each group scale-of-two Gray code, encoding strip is produced on character wheel right cylinder side, and each group coding bar at least consists of 4 encoding strips, and the encoding strip in each group coding bar is axial array on character wheel right cylinder side all.When having realized good effect of the present invention, make manufacturing process relatively simple, low cost of manufacture, finished product rate is high.
Character wheel of the present invention can be used for metering gas, water, electricity, mileage and fuel oil direct-reading meter degree table.
Bar code on character wheel of the present invention is along right cylinder side circumferential array, encoding strip in each group coding bar is axial array on character wheel right cylinder side all, for realizing a linear array photoelectric sensors, read the coded message on a plurality of character wheels, and reduce error, improve the accuracy of reading out data.
Bar code on character wheel of the present invention the is preferred regularly arranged coding of binary Gray code, the corresponding arabic numeral of at least one group coding bar, as shown in Figure 9.The corresponding arabic numeral of also available many group codings bar, the three group coding bars that have been an arabic numeral correspondence shown in Fig. 7.The encoding strip group number that arabic numeral are corresponding is more, and the data precision that linear array photoelectric sensors reads when character wheel rotates is higher.Conventionally when reaching request for utilization, reduce as far as possible by an encoding strip group number that arabic numeral are corresponding, to reduce manufacturing cost.
Bar code on character wheel of the present invention, except adopting binary coding, also can adopt three-shift or the quaternary, even more multilevel code.When adopting binary coding, with two kinds of colors, can on character wheel, make two kinds of identifying informations, while adopting three-shift or quaternary coding, need to adopt three kinds of colors or four kinds of colors on character wheel, to make identifying information, make in this case the complex manufacturing technology of character wheel, cost raise, still, some heavy caliber register tool or have the register tool of special requirement, in the time of need to reading many bit data, adopt the coded system of multi-system simultaneously, can realize object.
In addition, when the axial width of character wheel being done when thin, that is: when character wheel is installed in same chamber body length more, also can adopt the method coding of multi-system, make the linear array photoelectric sensors that length is identical can read the information on more character wheels.Though while adopting multi-system method coding, the manufacturing cost of character wheel is raise, but can realize specific use or some industry needs.
On character wheel provided by the invention, the coding of bar code is arranged, preferred scheme is to adopt 8 binary Gray code establishment bar codes, bar code at least forms encoding strip group by two kinds of colors, this arranging and encoding method is applicable to the direct-reading gage register of a plurality of industries such as water, electricity, fuel oil, mileage and combustion gas of using at present, a kind of when reaching goal of the invention, the simplest method of manufacture craft, makes the manufacturing cost of character wheel minimum.Certainly, can realize all coding methods of the structure of axial array on character wheel right cylinder side of the encoding strip of bar code in right cylinder side circumferential array, each group coding bar on character wheel, also have Multi-encoding method to realize.Such as: random alignment coding, natural increasing arranging and encoding etc.It shown in Figure 10, is the schematic diagram that adopts scale-of-two natural increasing arranging and encoding method, Figure 11 is the schematic diagram that adopts the coding method of scale-of-two random alignment, these coding methods can't comprise other all coding methods, the method of just generally using, this is the relatively low method of manufacturing cost, when the bar code of these coding methods correspondence on being made into character wheel is used, the error of reading is relatively more, for example: the mistake that may occur exceeding adjacent two yards of scopes during linear array photoelectric sensors reading code, the accuracy of reading out data is reduced, in order to solve this deficiency, can adopt transition lines remedy such and insufficient in the bottom between two adjacent encoder bars, but, this structure makes the encoding strip complex manufacturing technology on character wheel, manufacturing cost raises.
On character wheel of the present invention, also positioning strip or calibration bars can be set, or positioning strip and calibration bars are set.
Character wheel right cylinder arranges positioning strip on side, positioning strip one week around right cylinder side, and positioning strip is axially positioned at bar code outside.Bar code inner side is faced mutually with arabic numeral.Positioning strip is for the starting point of linear array photoelectric sensors recognition coding bar on character wheel, and the reading code of avoiding character wheel to occur when issuable axial location is offset in rotation is chaotic.When several character wheel installation accuracies are very high, in the situation while there is not character wheel axial dipole field in use, positioning strip can be set on character wheel.
On character wheel of the present invention, in positioning strip inner side, calibration bars are set, calibration bars one week around right cylinder side, the color of positioning strip is different from the color of calibration bars, the effect that calibration bars are set on character wheel is that reading code information saturation degree is proofreaied and correct, avoid occurring the identification error of coding color, further improve the degree of accuracy of sensor reading.Encoding strip color on character wheel of the present invention is made when enough accurate, and calibration bars can be set.The setting position of positioning strip and calibration bars is shown in Fig. 7, in figure, 5 is positioning strips, the 6th, calibration bars, positioning strip and calibration bars, encoding strip and arabic numeral are all axial array on right cylinder side, positioning strip is positioned at the outer end of an encoding strip of outermost end on character wheel right cylinder side, edge in side, as shown in Figure 7, positioning strip is on right cylinder right side, and calibration bars are in the left side of positioning strip, encoding strip group is positioned at the left side of calibration bars, and arabic numeral are positioned at the left side of encoding strip group.Positioning strip, calibration bars, encoding strip group and arabic numeral are as also changed into rear arrangement by 180 degree in the position of Fig. 7, and medial and lateral of the present invention refer to take the right-hand member of shown position as outside, by right-hand member, is moved to the left as inner side.
Character wheel of the present invention is arranged on axle while using, and on an axle, a plurality of character wheels can be installed as required, and character wheel sways.
Arabic numeral on character wheel of the present invention also can be arranged on the middle part of a group coding bar, that is: a group coding bar can be distributed in the left and right sides of arabic numeral.The present invention not detailed description is known technology.
Claims (10)
1. a direct-reading gage register bar code character wheel, it is characterized in that: character wheel is right cylinder, axis hole is offered at character wheel middle part, bar code is circumferentially set on right cylinder side, bar code is comprised of array encoding strip, ten arabic numeral of 0-9 are set on right cylinder side, an at least axial corresponding group coding bar of arabic numeral, a group coding bar consists of several encoding strips axial array on right cylinder side.
2. a kind of direct-reading gage register bar code character wheel according to claim 1, is characterized in that: described every group coding bar at least comprises two kinds of colors, and encoding strip is rectangle.
3. a kind of direct-reading gage register bar code character wheel according to claim 1, is characterized in that: described encoding strip group is the corresponding arabic numeral of 2-6 group at least.
4. a kind of direct-reading gage register bar code character wheel according to claim 3, it is characterized in that: the distribution of described encoding strip is by 30 parts of the circumferential deciles in the right cylinder side of character wheel, every part 12 degree, arranges a group coding bar in every 12 degree, and arabic numeral are positioned at 36 degree scopes.
5. a kind of direct-reading gage register bar code character wheel according to claim 1, is characterized in that: the encoding strip spacing in described encoding strip group equates.
6. a kind of direct-reading gage register bar code character wheel according to claim 1, is characterized in that: character wheel right cylinder arranges positioning strip on side, positioning strip one week around right cylinder side, and positioning strip is axially positioned at bar code outside.
7. a kind of direct-reading gage register bar code character wheel according to claim 6, is characterized in that: in positioning strip inner side, calibration bars are set, and calibration bars one week around right cylinder side, the color of positioning strip is different from the color of calibration bars.
8. according to the coding method of a kind of direct-reading gage register bar code character wheel described in claim 1-7 any one, it is characterized in that: adopt binary Gray code establishment bar code, bar code at least forms encoding strip group by two kinds of colors.
9. the coding method of a kind of direct-reading gage register bar code character wheel according to claim 8, it is characterized in that: the corresponding group coding bar of coding of each group scale-of-two Gray code, encoding strip is produced on character wheel right cylinder side, each group coding bar at least consists of 4 encoding strips, and the encoding strip in each group coding bar is axial array on character wheel right cylinder side all.
10. according to the application of a kind of direct-reading gage register bar code character wheel described in claim 1-7 any one, it is characterized in that: for metering gas, water, electricity, mileage and fuel oil direct-reading meter degree table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410183777.6A CN103968874A (en) | 2014-01-14 | 2014-05-04 | Direct-reading gage register bar code character wheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410014111 | 2014-01-14 | ||
| CN201410014111.8 | 2014-01-14 | ||
| CN201410183777.6A CN103968874A (en) | 2014-01-14 | 2014-05-04 | Direct-reading gage register bar code character wheel |
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| Publication Number | Publication Date |
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| CN103968874A true CN103968874A (en) | 2014-08-06 |
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Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420222989.6U Expired - Fee Related CN203893873U (en) | 2014-01-14 | 2014-05-04 | Direct-reading gage register bar-code character wheel |
| CN201410183777.6A Pending CN103968874A (en) | 2014-01-14 | 2014-05-04 | Direct-reading gage register bar code character wheel |
| CN201420305971.2U Expired - Fee Related CN203893899U (en) | 2014-01-14 | 2014-06-10 | Bar code character wheel direct reading gas meter |
| CN201410254611.9A Pending CN104111085A (en) | 2014-01-14 | 2014-06-10 | Bar code print wheel direct-reading gauge metering device |
| CN201410254630.1A Expired - Fee Related CN104111100B (en) | 2014-01-14 | 2014-06-10 | A kind of bar code character wheel direct-reading combustion gas register |
| CN201420305837.2U Expired - Fee Related CN203893868U (en) | 2014-01-14 | 2014-06-10 | Barcode character wheel direct-reading meter indexer |
| CN201410262538.XA Pending CN104048726A (en) | 2014-01-14 | 2014-06-13 | Direct reading meter character wheel surface information array method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201420222989.6U Expired - Fee Related CN203893873U (en) | 2014-01-14 | 2014-05-04 | Direct-reading gage register bar-code character wheel |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420305971.2U Expired - Fee Related CN203893899U (en) | 2014-01-14 | 2014-06-10 | Bar code character wheel direct reading gas meter |
| CN201410254611.9A Pending CN104111085A (en) | 2014-01-14 | 2014-06-10 | Bar code print wheel direct-reading gauge metering device |
| CN201410254630.1A Expired - Fee Related CN104111100B (en) | 2014-01-14 | 2014-06-10 | A kind of bar code character wheel direct-reading combustion gas register |
| CN201420305837.2U Expired - Fee Related CN203893868U (en) | 2014-01-14 | 2014-06-10 | Barcode character wheel direct-reading meter indexer |
| CN201410262538.XA Pending CN104048726A (en) | 2014-01-14 | 2014-06-13 | Direct reading meter character wheel surface information array method |
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| Country | Link |
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| CN (7) | CN203893873U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105844317A (en) * | 2016-04-26 | 2016-08-10 | 洛阳愿景科技有限公司 | Color coding digital coded disc |
| CN113124942A (en) * | 2021-06-17 | 2021-07-16 | 济南瑞泉电子有限公司 | Photoelectric direct-reading combined character wheel and coding structure on character wheel |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203893873U (en) * | 2014-01-14 | 2014-10-22 | 莱芜欧利电子有限公司 | Direct-reading gage register bar-code character wheel |
| CN105004358A (en) * | 2015-08-14 | 2015-10-28 | 成都伊贝基科技有限公司 | Photo-magnetic hybrid coder |
| CN108709612B (en) * | 2018-08-24 | 2024-03-19 | 海盐新跃电器有限公司 | Character wheel rotary table for assisting fixed focus recognition |
| CN109357720A (en) * | 2018-11-16 | 2019-02-19 | 杨镇宇 | A kind of mechanical bar code idler wheel counter |
| CN111780697B (en) * | 2020-07-14 | 2022-08-23 | 惠州市奥普康真空科技有限公司 | Multi-position crucible positioning method and positioning system |
| CN115876231B (en) * | 2022-10-11 | 2024-04-30 | 真诺测量仪表(上海)有限公司 | Character wheel encoder and direct reading method |
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- 2014-05-04 CN CN201410183777.6A patent/CN103968874A/en active Pending
- 2014-06-10 CN CN201420305971.2U patent/CN203893899U/en not_active Expired - Fee Related
- 2014-06-10 CN CN201410254611.9A patent/CN104111085A/en active Pending
- 2014-06-10 CN CN201410254630.1A patent/CN104111100B/en not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104111085A (en) | 2014-10-22 |
| CN104111100B (en) | 2017-12-12 |
| CN203893873U (en) | 2014-10-22 |
| CN104111100A (en) | 2014-10-22 |
| CN203893868U (en) | 2014-10-22 |
| CN104048726A (en) | 2014-09-17 |
| CN203893899U (en) | 2014-10-22 |
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Application publication date: 20140806 |