CN203422127U - Photoelectricity direct reading water meter - Google Patents
Photoelectricity direct reading water meter Download PDFInfo
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- CN203422127U CN203422127U CN201320409436.7U CN201320409436U CN203422127U CN 203422127 U CN203422127 U CN 203422127U CN 201320409436 U CN201320409436 U CN 201320409436U CN 203422127 U CN203422127 U CN 203422127U
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- character wheel
- water meter
- light
- reading
- photoelectric direct
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 230000005622 photoelectricity Effects 0.000 title abstract 7
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
A photoelectricity direct reading water meter comprises a meter shell, a meter cover, a photoelectricity direct reading device and a measuring structure, wherein the photoelectricity direct reading device and the measuring structure are located in the meter shell. The measuring structure comprises a character wheel, a counter wheel located on the character wheel, and three light-transmitting holes formed in the character wheel. The photoelectricity direct reading device comprises a communication device, a single-chip microcomputer, at least one light-emitting pipe and at least one receiving pipe, the light-emitting pipe and the receiving pipe are evenly arranged on two sides of the character wheel along the same circumference respectively, the light-emitting pipe is an infrared light emitting diode, and the receiving pipe is an infrared light receiving emitting diode. According to the photoelectricity direct reading water meter, when the character wheel rotates, angles of the light-transmitting holes of the character wheel change, the number and positions of light emitted from the corresponding light-emitting pipe change, wherein the light transmits from one side of the character wheel and radiates to the other side of the character wheel. In addition, the operation of photoelectricity direct reading is only carried out in the process of meter reading, so that reading can be accurate, service life is long, and use cost is lower.
Description
Technical field
The utility model relates to flowrate measuring tool, refers to especially a kind of photoelectric direct-reading water meter.
Background technology
Teletransmission is checked meter, and the key problem that first will solve is that the mechanical information of how water meter being measured, being shown is converted to the electronic information that computing machine can be processed, and data generate.Traditional mechanical water meter installs magnet on certain gear, and correspondence position is installed magnetic-sensitive elements, such as Hall element or tongue tube.Magnet rotates with gear, and when entering the induction zone of magnetic-sensitive elements, tongue tube adhesive output pulse, is then converted into pulse by counter circuit the flow of water.Mechanical water meter has simple in structure, the advantage easily realizing, has fatal weakness but principle of work itself has determined mechanical water meter, and the counting loss that strong magnetic interference brings is enumeration problem not even, secondary measurement, cumulative errors cause the problem of the low and error in reading of degree of accuracy.
Utility model content
The utility model proposes a kind of photoelectric direct-reading water meter, solved in prior art error large, power consumption is large, the problem that antijamming capability is little.
The technical solution of the utility model is achieved in that
A kind of photoelectric direct-reading water meter, it is characterized in that, comprise: watchcase, watch glasses and the photoelectric direct-reading apparatus and the measurement structure that are positioned at described watchcase inside, described metering mechanism comprises character wheel, be positioned at the counter wheel on character wheel and be positioned at three light holes on character wheel, described photoelectric direct-reading apparatus comprises communication device, single-chip microcomputer, at least one luminotron and at least one receiving tube, the both sides that are arranged on described character wheel that wherein said luminotron and described receiving tube are divided equally along same circumference respectively, described luminotron is infrared light emitting diode, described receiving tube is infrared light reception diode.
Preferably, evenly distributed digital 0-9 on the outer circumference surface of counter wheel.
Preferably, wherein single-chip microcomputer adopts ATmega48PA.
Preferably, communication device is provided with RS485 or M-BUS communication interface.
Preferably, the number of luminotron and receiving tube is 5.
Photoelectric direct-reading water meter in the utility model does not have pulse output, when reading device sends inquiry, with photoelectric direct-reading apparatus wherein, identify the residing position of character wheel, thereby read the actual number of degrees of water meter, the work of this photo-electronic directly reading is only carried out when checking meter, therefore the interference of various external environment conditions at ordinary times and the normal counting of remote transmitting system are all without direct relation, this has just guaranteed that accurate or absolute reading is sent to charge system from water meter, so long service life, use cost is also cheaper.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of photoelectric direct-reading water meter of the utility model;
Fig. 2 be a kind of photoelectric direct-reading water meter of the utility model in the structural representation of measurement structure;
Fig. 3 be a kind of photoelectric direct-reading water meter of the utility model in the structural representation of photoelectric direct-reading apparatus;
Fig. 4 is the circuit block diagram of the photoelectric direct-reading apparatus of a kind of photoelectric direct-reading water meter of the utility model.
In figure:
1, watchcase; 2, watch glasses; 3, character wheel; 4, print wheel shaft; 5, light hole; 6, counter wheel; 7, photoelectric direct-reading apparatus; 8, luminotron; 9, receiving tube; 10, printed board.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As Figure 1-3, photoelectric direct-reading water meter comprises the watchcase 1 that is arranged on outside surface, watch glasses 2 and the photoelectric direct-reading apparatus 7 and the measurement structure that are positioned at watchcase 1 inside, measurement structure is positioned at watchcase inside, comprise character wheel 3, the center of character wheel 3 is provided with print wheel shaft 4, the surrounding of print wheel shaft 4 is formed with the light hole 5 of certain angle, the number of light hole 5 is 3, the angle of each light hole 5 is different, light can be transmitted to opposite side from a side of character wheel by light hole 5, on the side of character wheel 3, be provided with decimal coded counter wheel 6, evenly distributed tens digit 0-9 on the outer circumference surface of counter wheel 6, on it, be also provided with rounding wheel (not shown), and drive corresponding decimal coded counter wheel 6 to rotate by rounding wheel, photoelectric direct-reading apparatus 7 is installed respectively in both sides at character wheel 3, each photoelectric direct-reading apparatus 7 is provided with luminotron 8 and receiving tube 9, the both sides of character wheel 3 are respectively luminotron 8 and the same receiving tubes 9 distributing of dividing equally along same circumference, when character wheel 3 rotates, the angle that character wheel 3 sees through unthreaded hole changes, quantity and position that the side that the light that corresponding luminotron 8 sends sees through character wheel 3 is irradiated to opposite side change, be that light is taken turns on each reading of 0-9 in decimal coded digit in character wheel, according to this principle coding, the data of photoelectric direct-reading water meter are read in decoding again.
In the both sides of each character wheel 3, be provided with printed board 10, five luminotrons 8 are housed equably in the printed board 10 of each character wheel 3 one side, five receiving tubes 9 are housed accordingly in the printed board of opposite side, from right to left, character wheel 3 is respectively a position counter wheel 3-1, ten counter wheel 3-2, hundred times of counter wheel 3-3, kilobit counter wheel 3-4, ten the counting scale 3-2 of take are example, five luminotrons 8 are housed on the whole disc of left surface with one heart equably, five luminotrons 8 are separated by equably, on the disc of the right side of printed board 10, corresponding to above-mentioned five luminotrons 8, five receiving tubes 9 are housed, wherein luminotron 8 is infrared light emitting diode, receiving tube 9 is infrared light reception diode.
As shown in Figure 4, photoelectric direct-reading apparatus comprises communication device, power supply, single-chip microcomputer, luminotron and receiving tube, wherein single-chip microcomputer adopts ATmega48PA, luminotron is infrared light emitting diode, receiving tube is infrared light reception diode, luminotron is controlled by Intelligent Single-Chip Based that it is in good time luminous, the reading that the infrared light information coding that single-chip microcomputer receives according to receiving tube simultaneously gathers photoelectric direct-reading water meter character wheel is user's water data, communication device is provided with RS485 or M-BUS communication interface, the data line that only communication device need be used during installation directly accesses RS485 or M-BUS bus, single-chip microcomputer by be responsible for by this user's water data upload collecting on front-end collection equipment to complete the reading work of this photoelectric direct-reading water meter.The utility model, because its luminotron adopts infrared light emitting diode, even if make photoelectric direct-reading water meter under high light environment, also can correctly read its water data, thereby effectively improve the ambient adaptability of photoelectric direct-reading water meter.While checking meter, power supply can be lighted luminotron, the irradiation that luminotron sends is on character wheel end face, because the position of character wheel is different, will be corresponding corresponding numeral, thereby produce, be in the light and printing opacity effect, the receiving tube of the character wheel other end will obtain one group of light and shade signal like this, according to this group signal of receiving tube, through the processing of photoelectric direct-reading apparatus, just can determine the position of character wheel, read the reading of water meter.
Photoelectric direct-reading water meter does not have pulse output, when reading device sends inquiry, with photoelectric direct-reading apparatus wherein, identify the residing position of character wheel, thereby read the actual number of degrees of water meter, the work of this photo-electronic directly reading is only carried out when checking meter, and therefore the interference of various external environment conditions at ordinary times and the normal counting of remote transmitting system are all without direct relation, and this has just guaranteed that accurate or absolute reading is sent to charge system from water meter, so long service life, use cost is also cheaper.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a photoelectric direct-reading water meter, it is characterized in that, comprise: watchcase, watch glasses and the photoelectric direct-reading apparatus and the measurement structure that are positioned at described watchcase inside, described metering mechanism comprises character wheel, be positioned at the counter wheel on character wheel and be positioned at three light holes on described character wheel, described photoelectric direct-reading apparatus comprises communication device, single-chip microcomputer, at least one luminotron and at least one receiving tube, the both sides that are arranged on described character wheel that wherein said luminotron and described receiving tube are divided equally along same circumference respectively, described luminotron is infrared light emitting diode, described receiving tube is infrared light reception diode.
2. a kind of photoelectric direct-reading water meter according to claim 1, is characterized in that, evenly distributed digital 0-9 on the outer circumference surface of described counter wheel.
3. a kind of photoelectric direct-reading water meter according to claim 1, is characterized in that, described single-chip microcomputer adopts ATmega48PA.
4. a kind of photoelectric direct-reading water meter according to claim 1, is characterized in that, described communication device is provided with RS485 or M-BUS communication interface.
5. a kind of photoelectric direct-reading water meter according to claim 1, is characterized in that, the number of described luminotron and described receiving tube is 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320409436.7U CN203422127U (en) | 2013-07-10 | 2013-07-10 | Photoelectricity direct reading water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320409436.7U CN203422127U (en) | 2013-07-10 | 2013-07-10 | Photoelectricity direct reading water meter |
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| Publication Number | Publication Date |
|---|---|
| CN203422127U true CN203422127U (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320409436.7U Expired - Fee Related CN203422127U (en) | 2013-07-10 | 2013-07-10 | Photoelectricity direct reading water meter |
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| CN (1) | CN203422127U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089673A (en) * | 2014-06-19 | 2014-10-08 | 上海安居利智能科技发展有限公司 | Photoelectric coding counter |
| CN105761477A (en) * | 2016-04-25 | 2016-07-13 | 天津东丽湖能源科技有限公司 | Self-control meter reading system for geothermal heat station and meter reading method |
| CN107481502A (en) * | 2017-07-13 | 2017-12-15 | 江苏丙辰电子有限公司 | A kind of direct-reading teletransmission photoelectricity water meter system and application method |
| CN108254036A (en) * | 2018-05-04 | 2018-07-06 | 湖南汉德史特仪表有限公司 | Two photoelectric tube flow sensor for countering and its operation method |
| CN110726448A (en) * | 2018-07-17 | 2020-01-24 | 新智数字科技有限公司 | Photoelectric direct-reading meter, method for realizing meter reading service and service system thereof |
| CN111928915A (en) * | 2020-07-20 | 2020-11-13 | 安徽翼迈科技股份有限公司 | Direct reading method for passive photoelectric direct-reading electromechanical separation meter module |
| CN117168562A (en) * | 2023-08-28 | 2023-12-05 | 重庆智慧水务有限公司 | A light-guiding photoelectric direct-reading structure |
-
2013
- 2013-07-10 CN CN201320409436.7U patent/CN203422127U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089673A (en) * | 2014-06-19 | 2014-10-08 | 上海安居利智能科技发展有限公司 | Photoelectric coding counter |
| CN105761477A (en) * | 2016-04-25 | 2016-07-13 | 天津东丽湖能源科技有限公司 | Self-control meter reading system for geothermal heat station and meter reading method |
| CN107481502A (en) * | 2017-07-13 | 2017-12-15 | 江苏丙辰电子有限公司 | A kind of direct-reading teletransmission photoelectricity water meter system and application method |
| CN108254036A (en) * | 2018-05-04 | 2018-07-06 | 湖南汉德史特仪表有限公司 | Two photoelectric tube flow sensor for countering and its operation method |
| CN110726448A (en) * | 2018-07-17 | 2020-01-24 | 新智数字科技有限公司 | Photoelectric direct-reading meter, method for realizing meter reading service and service system thereof |
| CN111928915A (en) * | 2020-07-20 | 2020-11-13 | 安徽翼迈科技股份有限公司 | Direct reading method for passive photoelectric direct-reading electromechanical separation meter module |
| CN111928915B (en) * | 2020-07-20 | 2022-05-03 | 安徽翼迈科技股份有限公司 | Direct reading method for passive photoelectric direct-reading electromechanical separation meter module |
| CN117168562A (en) * | 2023-08-28 | 2023-12-05 | 重庆智慧水务有限公司 | A light-guiding photoelectric direct-reading structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20150710 |
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| EXPY | Termination of patent right or utility model |