CN101319918A - Tele-metering direct-reading encoder of meter counter - Google Patents
Tele-metering direct-reading encoder of meter counter Download PDFInfo
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- CN101319918A CN101319918A CNA2008101416803A CN200810141680A CN101319918A CN 101319918 A CN101319918 A CN 101319918A CN A2008101416803 A CNA2008101416803 A CN A2008101416803A CN 200810141680 A CN200810141680 A CN 200810141680A CN 101319918 A CN101319918 A CN 101319918A
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- 238000005859 coupling reaction Methods 0.000 claims abstract description 13
- 238000007639 printing Methods 0.000 claims description 51
- 230000005622 photoelectricity Effects 0.000 claims description 16
- 210000000515 tooth Anatomy 0.000 claims description 14
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- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
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- 238000009738 saturating Methods 0.000 description 2
- 206010023204 Joint dislocation Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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Abstract
A remote-transmission direct-reading coder of a counter of a gauge includes a transparent character wheel box, a plurality of coding character wheels and a plurality of carry coupling wheels corresponding to the coding character wheels; the concentric circumference of an equal radius R of the spoke of each coding character wheel is provided with three sections of light transmission hole slots; ten numbers from 0 to 9 are uniformly arranged on the annular cylindrical surface of the coding character wheel in sequence. The invention is characterized in that the corresponding central angles of the three sections of light transmission hole slots on the coding character wheel are respectively as follows: Alpha 1 is 63 degrees plus/minus 3 degrees; Alpha 2 is 90 degrees plus/minus 3 degrees and Alpha 3 is 27 degrees plus/minus 3 degrees; the distances of the three sections of light transmission hole slots are respectively as follows: Beta 1 is 27 degrees plus/minus 3 degrees; Beta 2 is 63 degrees plus/minus 3 degrees in turn. The two sides of the coding character wheel and the arcs with concentric equal radius R of the three sections of light transmission hole slots are provided with five photoelectric sampling points. The remote-transmission direct-reading coder of the counter of a gauge has the beneficial effects of improving the coding precision of the coding character wheel, stably and accurately reading, stably and accurately reading when carry from a lower bit of ''9'' to a high bit of ''0'' is carried out on the character wheel.
Description
Technical field
The present invention relates to meter data remote transmitting system field, especially a kind of counter remote transmitting direct reading formula scrambler that is applicable to traditional mechanical gauging tables such as wet type, dry-type meter or gas meter.
Background technology
At present, adopt the direct-reading gage of photoelectric coding technology collection character wheel information of a great variety, conclude and get up mainly still to exist both ways defective:
One, the design of character wheel code-disc is unreasonable.Owing to ignored each character wheel is made of the multidigit character wheel 2 driving tooths and 20 driven tooth carry interlock, also be that character wheel at every turn should be by 360 ° of ÷ (20 * 2)=9 ° stepping, therefore, the printing opacity hole slot of coding print wheel and each hole slot also should be 9 ° common multiple between any two every the central angle of correspondence, otherwise when the character wheel rotation is in the carry critical conditions, cause character wheel to read that sign indicating number is unstable to fail owing to the two adjacent groups binary coding changes figure place more than 1, thereby influenced remote transmitting direct reading the table especially popularization and the application of direct-reading water meter and direct-reading gas meter.
Two, photoelectricity sampling point be provided with unreasonable.No matter be transmission or reflective photoelectricity sampling pattern, under the prerequisite of the sampled point of limited (being generally 5 groups, 6 groups or 7 groups), fail to obtain as much as possible the complete angular position information of character wheel, particularly angular position information when the character wheel rotation is in the carry critical conditions; The setting of arranging to photoelectric tube does not have breakthrough new approaches, this has just caused being difficult to demolition, installation photoelectric tube and wiring board thereof in the transparent character wheel box of narrow and small counter structure, make that the production process technology requirement is too high, homogeneity of product detects and is difficult to realize, thereby can not scale put into production.
Summary of the invention
Technical matters to be solved by this invention is to remedy above-mentioned the deficiencies in the prior art, and it is accurate to propose a kind of stable reading, and production and processing is simple, the consistency detection of dispatching from the factory tele-metering direct-reading encoder of meter counter easily.
Tele-metering direct-reading encoder of meter counter of the present invention is solved by the following technical programs.
This tele-metering direct-reading encoder of meter counter comprises:
Transparent character wheel box, be installed in some coding print wheels in the transparent character wheel box by print wheel shaft, be installed in parallel in coding print wheel one side and the corresponding a plurality of carry coupling wheels of coding print wheel by wheel shaft, be installed in the power valve wiring board and the receiving tube wiring board of each coding print wheel both sides, be arranged on the photoemission cell on the power valve wiring board and be arranged on the photoelectricity sampling point that the photoelectric receiving tube on the receiving tube wiring board forms; Uniform 20 carry driven tooth, opposite side annular circumferential face are provided with 2 carry driving tooths on the appropriate location on the one side ring shape periphery of described coding print wheel; Be equipped with three sections printing opacity hole slots on the radius concentric circumferences such as the spoke of each coding print wheel; Uniform 0～90 numeral that supplies artificial reading to use of order on the coding print wheel ring-shaped cylinder face.
The characteristics of this tele-metering direct-reading encoder of meter counter are:
The corresponding central angle of three sections printing opacity hole slots on the coding print wheel is respectively α
1Be 63 ° ± 3 °, α
2Be 90 ° ± 3 °, α
3Be 27 ° ± 3 °, the spacing of three sections printing opacity hole slots is respectively β successively
1Be 27 ° ± 3 °, β
2It is 63 ° ± 3 °.
The corresponding central angle of three sections printing opacity hole slots on the coding print wheel can be respectively α also
1Be 27 ° ± 3 °, α
2Be 90 ° ± 3 °, α
3Be 63 ° ± 3 °, the spacing of three sections printing opacity hole slots is respectively β successively
1Be 63 ° ± 3 °, β
2It is 27 ° ± 3 °.
The corresponding central angle of three sections printing opacity hole slots on the coding print wheel can be respectively α also
1Be 45 ° ± 3 °, α
2Be 90 ° ± 3 °, α
3Be 45 ° ± 3 °, the spacing of three sections printing opacity hole slots is respectively β successively
1Be 45 ° ± 3 °, β
2It is 45 ° ± 3 °.
Described coding print wheel both sides are provided with five pairs of five photoelectricity sampling points that formed by photoemission cell and photoelectric receiving tube with three sections concentric circular arcs of radius R that wait of printing opacity hole slot, described photoemission cell or photoelectric receiving tube can equidistantly distribute on less than 180 ° of semi-circumferences, and the central angle apart from correspondence between each photoelectricity sampling point is 36 °.
Described power valve wiring board and receiving tube wiring board all offer the open slot that can be stuck in print wheel shaft respectively.
The design concept of tele-metering direct-reading encoder of meter counter of the present invention is: determine digital indicating value, carry driven tooth, carry driving tooth on the coding print wheel and the relative space relation between three sections printing opacity hole slots by said structure; Electronic switch adopts the mode of photoemission cell and photoelectric receiving tube correlation, the every run-down of photoemission cell, form correlation situation with the photoelectric receiving tube that is contained in the coding print wheel opposite side, coding print wheel whenever rotates a circle, be installed in five pairs of photoemission cells of coding print wheel both sides, photoelectric receiving tube is inevitable because the saturating sky and the blocking-up of coding print wheel, make the photoelectricity sampling point obtain different level signals, all outputs that the photoelectric receiving tube of a coding print wheel correspondence receives constitute five scale-of-two angular coding information of this coding print wheel, thereby can obtain indicating value on the coding print wheel relevant position according to the actual angle position of coding print wheel, after all coding print wheels being judged successively, can obtain the current indicating value of table meter also in conjunction with every carry information.Five binary codings of the present invention are 30 groups of end to end loop codings, and the coding gauge outfit depends on counter structure.
The invention has the beneficial effects as follows:
1, improve the coding print wheel encoding precision, stable reading is accurate;
2, character wheel meets " 9 " to advance " 0 " low level to high-order carry reading, because adjacent binary coding has only 1 difference between any two, it is accurately stable to make reading judge;
3, the counter assembly technology is required to reduce, be fit to large-scale production;
4, according to the size of relative size between photoelectric tube and the coding print wheel, printing opacity hole slot two ends have 0～± 3 ° adjustment, can not influence the stable and accurate of reading;
5, photoelectric tube can equidistantly distribute on less than 180 ° of semi-circumferences;
6, the matching requirements of the various model structure of the easier adaptation of the wiring board of semi-open slot counter.
The present invention is further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the structural representation of tele-metering direct-reading encoder of meter counter;
Fig. 2 is that the coding print wheel angle information photoelectric coding of tele-metering direct-reading encoder of meter counter is implemented structural representation;
Fig. 3 is the coding print wheel structural representation of tele-metering direct-reading encoder of meter counter;
Fig. 4 is power valve wiring board and the receiving tube wiring board and the photoelectric tube assembly structure synoptic diagram of tele-metering direct-reading encoder of meter counter.
Description of reference numerals: transparent character wheel box 1, carry driven tooth 2, the first printing opacity hole slots 3, the second printing opacity hole slot, 4, the three printing opacity hole slots 5, carry driving tooth 6, coding print wheel 7, emission wiring board 8, receiving lines plate 9, carry coupling wheel 10, carry coupling wheel shaft 11, print wheel shaft 12, photoemission cell 13, photoelectric receiving tube 14, open slot 15,16.
Embodiment
Embodiment 1: can be clear that from Fig. 1 tele-metering direct-reading encoder of meter counter is made up of transparent character wheel box 1, some opaque coding print wheels 7, print wheel shaft 12, carry coupling wheel 10, carry coupling wheel shaft 11 and power valve wiring board 8, receiving tube wiring board 9, described some coding print wheels 7 are spaced by print wheel shaft 12 and are installed in the transparent character wheel box 1, and each carry coupling wheel 10 that cooperates with each coding print wheel 7 is installed in the outer transparent character wheel box 1 of coding print wheel 7 circumference by the carry coupling wheel shaft 11 parallel with print wheel shaft 12.
On uniform 20 carry driven tooth 2, the opposite side annular circumferential face appropriate location 2 carry driving tooth 6 (see figure 2)s are set on the one side ring shape periphery of described coding print wheel 7; Be equipped with the first printing opacity hole slot 3, the second printing opacity hole slot 4 and the 3rd printing opacity hole slot 5 (as shown in Figure 3) on the radius R concentric circumferences such as spoke of coding print wheel 7, the first printing opacity hole slot, 3 corresponding central angle alpha
1Be 63 ° ± 1 °, the second printing opacity hole slot, 4 corresponding central angle alpha
2Be 90 ° ± 1 °, the 3rd printing opacity hole slot 5 corresponding central angle alpha
3It is 27 ° ± 1 °; The interval central angle β of the first printing opacity hole slot 3 and the second printing opacity hole slot 4
1Be the interval central angle β of 27 ° ± 1 °, the second printing opacity hole slot 4 and the 3rd printing opacity hole slot 5
2It is 63 ° ± 1 °; Uniform 0～90 numeral that supplies artificial reading to use of order on each coding print wheel 7 ring-shaped cylinder face.
Described power valve wiring board 8 and receiving tube wiring board 9 structures are as shown in Figure 4, power valve wiring board 8 and receiving tube wiring board 9 all offer the open slot 15 that can be stuck in print wheel shaft 12 respectively, 16, wait with one heart 5 photoemission cells 13 and 5 photoelectric receiving tubes 14 that are respectively equipped with correspondence on the radius R circular arc corresponding to printing opacity hole slot on the coding print wheel 7 on power valve wiring board 8 and the receiving tube wiring board 9, the interval central angle of 5 photoemission cells 13 is 36 °, the interval central angle of 5 photoelectric receiving tubes 14 is 36 °, and 5 photoemission cells 13 or 5 photoelectric receiving tubes 14 can be in that 36 ° * 4=144 °＜180 ° of smaller part circumference be first-class to distributing.
Described power valve wiring board 8, receiving tube wiring board 9 are arranged on the both sides of coding print wheel 7, and on the motherboard on the box body that is fixed on transparent character wheel box 1 that is welded, the assembly relation of coding print wheel 7 and power valve wiring board 8 and receiving tube wiring board 9 as shown in Figure 2,5 photoemission cells 13 and 5 photoelectric receiving tubes 14 of corresponding setting constitute 5 photoelectricity sampling points on power valve wiring board 8 and the receiving tube wiring board 9.
The course of work of this tele-metering direct-reading encoder of meter counter: when coding print wheel 7 meets 9 to cross 0 promptly will be to high-order carry the time, by the carry coupling wheel 10 that is contained on the carry coupling wheel shaft 11, the carry driven tooth 2 that the carry driving tooth 6 on the coding print wheel 7 promotes next bit coding print wheel 7 is finished carry; Coding print wheel 7 rotates a circle, be installed in the power valve wiring board 8 of coding print wheel 7 both sides and five pairs of photoemission cells 13 on the receiving tube wiring board 9, photoelectric receiving tube 14 is inevitable because the saturating sky and the blocking-up of coding print wheel 7, photoelectric receiving tube 14 samplings obtain different level signals, all output states of coding print wheel 7 corresponding photoelectric receiving tubes 14 constitute five scale-of-two angular coding information of this coding print wheel 7, thereby, can obtain the indicating value on coding print wheel 7 relevant positions according to the actual angle position of coding print wheel 7.Five binary codings of the present invention are 30 groups of end to end loop codings, and the coding gauge outfit depends on counter structure.Determined the coding print wheel 7 of structure in the present embodiment and specified the photoemission cell 13 of numbering (as shown in Figure 4), the scrambler that photoelectric receiving tube 14 forms that it is with 0 initial coding schedule to 9 (containing subluxation information) following (with sexadecimal reduced representation): 13H, 17H, 07H, 06H, 0EH, 0FH, 0DH, 1DH, 1FH, 1BH, 1AH, 1EH, 16H, 14H, 1CH, 0CH, 08H, 18H, 19H, 11H, 10H, 12H, 02H, 00H, 04H, 05H, 01H, 09H, 0BH, 03H.This shows that any adjacent binary coding has only 11 difference is also only arranged between any two, overcome coding print wheel 7 and rotated when being in the carry critical conditions, read the unsettled defective of sign indicating number.
Embodiment 2: the tele-metering direct-reading encoder of meter counter structure that exemplifies is substantially the same manner as Example 1, and difference only is: the first printing opacity hole slot, 3 corresponding central angle alpha on the coding print wheel 7
1Be 27 ° ± 2 °, the second printing opacity hole slot, 4 corresponding central angle alpha
2Be 90 ° ± 2 °, the 3rd printing opacity hole slot 5 corresponding central angle alpha
3It is 63 ° ± 2 °; The interval central angle β of the first printing opacity hole slot 3 and the second printing opacity hole slot 4
1Be the interval central angle β of 63 ° ± 2 °, the second printing opacity hole slot 4 and the 3rd printing opacity hole slot 5
2It is 27 ° ± 2 °.
Its course of work is identical with embodiment 1.
Embodiment 3: the tele-metering direct-reading encoder of meter counter structure that exemplifies is substantially the same manner as Example 1, and difference only is: the first printing opacity hole slot, 3 corresponding central angle alpha on the coding print wheel 7
1Be 45 ° ± 3 °, the second printing opacity hole slot, 4 corresponding central angle alpha
2Be 90 ° ± 3 °, the 3rd printing opacity hole slot 5 corresponding central angle alpha
3It is 45 ° ± 3 °; The interval central angle β of the first printing opacity hole slot 3 and the second printing opacity hole slot 4
1Be the interval central angle β of 45 ° ± 3 °, the second printing opacity hole slot 4 and the 3rd printing opacity hole slot 5
2It is 45 ° ± 3 °.
Its course of work is identical with embodiment 1.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, its framework form can be flexible and changeable, can the subseries product.Just make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the present invention is determined by claims of being submitted to.
Claims (4)
1, a kind of tele-metering direct-reading encoder of meter counter, comprise: transparent character wheel box, be installed in some coding print wheels in the transparent character wheel box by print wheel shaft, be installed in parallel in coding print wheel one side and the corresponding a plurality of carry coupling wheels of coding print wheel by wheel shaft, be installed in the power valve wiring board and the receiving tube wiring board of each coding print wheel both sides, be arranged on the photoemission cell on the power valve wiring board and be arranged on the photoelectricity sampling point that the photoelectric receiving tube on the receiving tube wiring board forms; Uniform 20 carry driven tooth, opposite side annular circumferential face are provided with 2 carry driving tooths on the appropriate location on the one side ring shape periphery of described coding print wheel; Be equipped with three sections printing opacity hole slots on the radius R concentric circumferences such as the spoke of each coding print wheel; Uniform 0～90 numeral that supplies artificial reading to use of order on the coding print wheel ring-shaped cylinder face is characterized in that:
The corresponding central angle of three sections printing opacity hole slots on the described coding print wheel is respectively α
1Be 63 ° ± 3 °, α
2Be 90 ° ± 3 °, α
3Be 27 ° ± 3 °, the spacing of three sections printing opacity hole slots is respectively β successively
1Be 27 ° ± 3 °, β
2It is 63 ° ± 3 °;
Described coding print wheel both sides are provided with five pairs of five photoelectricity sampling points that formed by photoemission cell and photoelectric receiving tube with three sections concentric circular arcs of radius R that wait of printing opacity hole slot, described photoemission cell or photoelectric receiving tube can equidistantly distribute on less than 180 ° of semi-circumferences, and the central angle apart from correspondence between each photoelectricity sampling point is 36 °.
2, a kind of tele-metering direct-reading encoder of meter counter, comprise: transparent character wheel box, be installed in some coding print wheels in the transparent character wheel box by print wheel shaft, be installed in parallel in coding print wheel one side and the corresponding a plurality of carry coupling wheels of coding print wheel by wheel shaft, be installed in the power valve wiring board and the receiving tube wiring board of each coding print wheel both sides, be arranged on the photoemission cell on the power valve wiring board and be arranged on the photoelectricity sampling point that the photoelectric receiving tube on the receiving tube wiring board forms; Uniform 20 carry driven tooth, opposite side annular circumferential face are provided with 2 carry driving tooths on the appropriate location on the one side ring shape periphery of described coding print wheel; Be equipped with three sections printing opacity hole slots on the radius R concentric circumferences such as the spoke of each coding print wheel; Uniform 0～90 numeral that supplies artificial reading to use of order on the coding print wheel ring-shaped cylinder face is characterized in that:
The corresponding central angle of three sections printing opacity hole slots on the coding print wheel can be respectively α also
1Be 27 ° ± 3 °, α
2Be 90 ° ± 3 °, α
3Be 63 ° ± 3 °, the spacing of three sections printing opacity hole slots is respectively β successively
1Be 63 ° ± 3 °, β
2It is 27 ° ± 3 °.
Described coding print wheel both sides are provided with five pairs of five photoelectricity sampling points that formed by photoemission cell and photoelectric receiving tube with three sections concentric circular arcs of radius R that wait of printing opacity hole slot, described photoemission cell or photoelectric receiving tube can equidistantly distribute on less than 180 ° of semi-circumferences, and the central angle apart from correspondence between each photoelectricity sampling point is 36 °.
3, a kind of tele-metering direct-reading encoder of meter counter, comprise: transparent character wheel box, be installed in some coding print wheels in the transparent character wheel box by print wheel shaft, be installed in parallel in coding print wheel one side and the corresponding a plurality of carry coupling wheels of coding print wheel by wheel shaft, be installed in the power valve wiring board and the receiving tube wiring board of each coding print wheel both sides, be arranged on the photoemission cell on the power valve wiring board and be arranged on the photoelectricity sampling point that the photoelectric receiving tube on the receiving tube wiring board forms; Uniform 20 carry driven tooth, opposite side annular circumferential face are provided with 2 carry driving tooths on the appropriate location on the one side ring shape periphery of described coding print wheel; Be equipped with three sections printing opacity hole slots on the radius R concentric circumferences such as the spoke of each coding print wheel; Uniform 0～90 numeral that supplies artificial reading to use of order on the coding print wheel ring-shaped cylinder face is characterized in that:
The corresponding central angle of three sections printing opacity hole slots on the coding print wheel can be respectively α also
1Be 45 ° ± 3 °, α
2Be 90 ° ± 3 °, α
3Be 45 ° ± 3 °, the spacing of three sections printing opacity hole slots is respectively β successively
1Be 45 ° ± 3 °, β
2It is 45 ° ± 3 °.
Described coding print wheel both sides are provided with five pairs of five photoelectricity sampling points that formed by photoemission cell and photoelectric receiving tube with three sections concentric circular arcs of radius R that wait of printing opacity hole slot, described photoemission cell or photoelectric receiving tube can equidistantly distribute on less than 180 ° of semi-circumferences, and the central angle apart from correspondence between each photoelectricity sampling point is 36 °.
4, according to claim 1 or 2 or 3 described tele-metering direct-reading encoder of meter counter, it is characterized in that: power valve wiring board 8 and receiving tube wiring board all offer the open slot that can be stuck in print wheel shaft respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101416803A CN101319918B (en) | 2008-07-22 | 2008-07-22 | Tele-metering direct-reading encoder of meter counter |
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| CN2008101416803A CN101319918B (en) | 2008-07-22 | 2008-07-22 | Tele-metering direct-reading encoder of meter counter |
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| CN102706374A (en) * | 2012-06-12 | 2012-10-03 | 深圳天行健电子有限公司 | Angle measuring and reading device of disk photoelectric encoder |
| CN102829809A (en) * | 2012-09-04 | 2012-12-19 | 深圳市千宝通科技有限公司 | Character wheel coding structure on counter in photoelectric direct-reading meter |
| CN102853873A (en) * | 2011-06-29 | 2013-01-02 | 安徽翼迈智能仪表有限公司 | Liquid-sealed direct-reading water meter, water meter direct-reading system and water meter direct-reading method thereof |
| CN103134562A (en) * | 2013-02-06 | 2013-06-05 | 杭州权衡科技有限公司 | Method for directly reading mechanical metering device by utilizing optical path |
| CN103499357A (en) * | 2013-10-24 | 2014-01-08 | 辽宁宏建仪器制造有限公司 | Electric signal counting photoelectric direct-reading device for remote transmission instruments |
| CN104154956A (en) * | 2014-08-21 | 2014-11-19 | 山东锋士自动化系统有限公司 | Integrated intelligent pipe network flow pressure acquisition remote water meter |
| CN106931999A (en) * | 2015-12-30 | 2017-07-07 | 南京宇能新能源科技有限公司 | Photoelectric coding counter with communication is sensed based on plastic optical fiber |
| US10853599B2 (en) * | 2015-04-30 | 2020-12-01 | Prüftechnik Dieter Busch AG | Method for obtaining information from a coding body, system comprising a coding body, computer program product and data storage means |
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| CN1945218B (en) * | 2006-10-25 | 2010-05-12 | 杭州水表有限公司 | Coder for remote transmitting direct reading water meter |
| CN201229179Y (en) * | 2008-07-25 | 2009-04-29 | 陈健 | Telemetering direct-reading code device of meter accounting device |
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| CN102853873A (en) * | 2011-06-29 | 2013-01-02 | 安徽翼迈智能仪表有限公司 | Liquid-sealed direct-reading water meter, water meter direct-reading system and water meter direct-reading method thereof |
| CN102706374A (en) * | 2012-06-12 | 2012-10-03 | 深圳天行健电子有限公司 | Angle measuring and reading device of disk photoelectric encoder |
| CN102706374B (en) * | 2012-06-12 | 2015-05-27 | 深圳天行健电子有限公司 | Angle measuring and reading device of disk photoelectric encoder |
| CN102829809A (en) * | 2012-09-04 | 2012-12-19 | 深圳市千宝通科技有限公司 | Character wheel coding structure on counter in photoelectric direct-reading meter |
| CN103134562A (en) * | 2013-02-06 | 2013-06-05 | 杭州权衡科技有限公司 | Method for directly reading mechanical metering device by utilizing optical path |
| CN103499357A (en) * | 2013-10-24 | 2014-01-08 | 辽宁宏建仪器制造有限公司 | Electric signal counting photoelectric direct-reading device for remote transmission instruments |
| CN103499357B (en) * | 2013-10-24 | 2015-09-30 | 辽宁宏建仪器制造有限公司 | Remote transmission instrument electricity consumption signal-count photoelectric direct-reading apparatus |
| CN104154956A (en) * | 2014-08-21 | 2014-11-19 | 山东锋士自动化系统有限公司 | Integrated intelligent pipe network flow pressure acquisition remote water meter |
| US10853599B2 (en) * | 2015-04-30 | 2020-12-01 | Prüftechnik Dieter Busch AG | Method for obtaining information from a coding body, system comprising a coding body, computer program product and data storage means |
| CN106931999A (en) * | 2015-12-30 | 2017-07-07 | 南京宇能新能源科技有限公司 | Photoelectric coding counter with communication is sensed based on plastic optical fiber |
| CN112923985A (en) * | 2021-01-22 | 2021-06-08 | 成都秦川物联网科技股份有限公司 | Electronic diaphragm gas meter adopting integrating instrument mode |
| CN113886134A (en) * | 2021-09-30 | 2022-01-04 | 成都千嘉科技有限公司 | Error correction code character reading wheel device |
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| CN101319918B (en) | 2010-06-02 |
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