CN203719720U - Direct-reading and far-transmitting water meter - Google Patents
Direct-reading and far-transmitting water meter Download PDFInfo
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- CN203719720U CN203719720U CN201320881660.6U CN201320881660U CN203719720U CN 203719720 U CN203719720 U CN 203719720U CN 201320881660 U CN201320881660 U CN 201320881660U CN 203719720 U CN203719720 U CN 203719720U
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Abstract
The embodiment of the utility model discloses a direct-reading and far-transmitting water meter. The water meter comprises two sets of phototubes, a photoelectric direct-reading controller and a communication interface in communication with an external communication device, wherein the two sides of a number reading wheel of the intelligent water meter are respectively provided with one set of phototube, and each set of phototube comprises a light transmitting tube and a light receiving tube; the photoelectric direct-reading controller is used for collecting signals and processing data, the communication interface and the photoelectric direct-reading controller are connected based on an M-BUS interface circuit. According to the direct-reading and far-transmitting water meter, a window value of the water meter is directly read out, the metering is accurate, and pulse accumulation errors are avoided. The water meter meets the M_BUS standards, is of a tree-type structure and is convenient to construct and maintain. The meter can be directly read without initialization, the address of the meter can be flexibly set, and maintaining workloads of a meter reading system are small.
Description
Technical field
The utility model relates to intellectual water meter technical field, especially relates to a kind of direct-reading tele-metering water meter.
Background technology
On market, common remote transmitting water meter major part is active table.Active table, while just referring to its work, a necessary direct power supply, comprises early stage " single, double tongue tube table " and present " Hall element table ".From the situation of actual operation, active table is not fully up to expectations, has two large problems: one, must uninterrupted power supply, and in the time that power cut-off overlong time or signal line need repairing, teletransmission reading part stops metering, and mechanical reading is running as usual.Therefore restore electricity or keep in repair after need to read the mechanical reading of water meter again, then teletransmission part is reset to the truth of a matter.Two, meeting in service produces cumulative errors, and water meter mechanical reading and electronical reading are not quite identical, always have certain error.Especially " single, double tongue tube table " cannot overcome because of critical point vibration mistaking signal, and error is very large.If these problems can not be properly settled, active table is difficult to become main product on market, on the verge of being replaced.For the defect that is difficult to overcome of passive table, people will study sight and invest passive table.Direct reading remote watermeters, its maximum feature is not need at ordinary times power supply, only just need power supply in the moment of checking meter, broken away from active table (step-by-step counting remote transmitting water meter) and left the difficult problem that power supply just cannot be worked, and make water meter mechanical reading and electronical reading in full accord.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and the utility model provides a kind of direct-reading tele-metering water meter.
In order to address the above problem, the utility model proposes a kind of direct-reading tele-metering water meter, one group of photoelectric tube is installed respectively in the both sides that are included in intellectual water meter reading character wheel, and every group of photoelectric tube includes light-emitting tube and light receiving tube; And for the photo-electronic directly reading controller of settling signal collection and data processing, and the communication interface of communicating by letter with external communication device, is connected based on M-BUS bus interface circuit between described communication interface and photo-electronic directly reading controller.
Preferably, described light-emitting tube is at least more than one or one; Described light receiving tube is at least more than one or one.
Preferably, described direct-reading tele-metering water meter also includes for ISP (In-System Programming, at the system programmable) debug port for program development and download, and described ISP debug port is communicated by letter with photo-electronic directly reading controller.
Preferably, light-emitting tube and the light receiving tube in described every group of photoelectric tube is mutually 35 degree.
Preferably, described intellectual water meter reading character wheel comprises 1,000 kilobit, is separately installed with one group of photoelectric tube in the both sides of described 1,000 each character wheels of kilobit.
Preferably, described photo-electronic directly reading controller communication is connected with communication interface by M-BUS bus interface circuit based on asynchronous serial communication.
Implement the utility model embodiment, photo-electronic directly reading technology, the window value of directly reading water meter, accurate measurement, does not have pulse cumulative errors, non-transformer in table, electronic section does not directly contact with mechanical part, and direct readout only powers up work in the moment of checking meter.Can realize switch valve function simultaneously.M_BUS(symphonic mbus, long-distance meter-reading system) bus standard, tree structure, convenient construction is safeguarded.Common two heart yearns connect, and do not distinguish positive-negative polarity, complete data communication simultaneously and table meter power supply function is provided.Direct-reading water meter is without initialization, and table meter address can be set flexibly, and kilowatt meter reading-out system maintenance workload is little.
Brief description of the drawings
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 skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structure composition schematic diagram of the direct-reading tele-metering water meter of the utility model embodiment.
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, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structure composition schematic diagram of the direct-reading tele-metering water meter of the utility model embodiment, and one group of photoelectric tube is installed respectively in the both sides that are included in intellectual water meter reading character wheel, and every group of photoelectric tube includes light-emitting tube and light receiving tube; And for the photo-electronic directly reading controller of settling signal collection and data processing, and the communication interface of communicating by letter with external communication device, is connected based on M-BUS bus interface circuit between described communication interface and photo-electronic directly reading controller.
It should be noted that, the light-emitting tube is here at least more than one or one; Described light receiving tube is at least more than one or one.Intellectual water meter reading character wheel comprises 1,000 kilobit, is separately installed with one group of photoelectric tube in the both sides of described 1,000 each character wheels of kilobit.The light-emitting tube here and light receiving tube are generally 5, and it forms photoelectric receiving tube array and photoemission cell array around meter reading.It should be noted that, light-emitting tube and light receiving tube in every group of photoelectric tube are here mutually 35 degree.
It should be noted that, the direct-reading tele-metering water meter here also includes for supplying program development and downloading ISP debug port, and described ISP debug port is communicated by letter with photo-electronic directly reading controller.
It should be noted that, the photo-electronic directly reading controller communication is here connected with communication interface by M-BUS bus interface circuit based on asynchronous serial communication.
In enforcement the utility model implementation process, photoelectric direct reading remote transmission water meter comprises base table and the photoelectric direct reading module of repacking, utilize photo-electronic directly reading principle, directly read the window value of water meter with electronic installation, accurate measurement, does not have pulse cumulative errors, non-transformer in table, electronic section does not directly contact with mechanical part, and direct readout only powers up work in the moment of checking meter.Can realize switch valve function simultaneously.M_BUS bus standard, tree structure, convenient construction is safeguarded.Common two heart yearns connect, and do not distinguish positive-negative polarity, complete data communication simultaneously and table meter power supply function is provided.Direct-reading water meter is without initialization, and table meter address can be set flexibly, and kilowatt meter reading-out system maintenance workload is little.
Its feature of the intellectual coded water meter of photoelectric direct reading counter is transmission type photoelectric conversion direct-reading water meter, read the moment character wheel of counter location status of checking meter, adopt photoelectric encoder principle, using each character wheel as a code-disc, the infrared light that light tank on five infrared receiving tubes induction character wheels is penetrated and the level that causes changes one group of five-digit number code of composition, after decoding teletransmission to system computer in the demonstration numeral identical with water meter window indicating value on interface of checking meter.
Photoelectric direct-reading meter character wheel is different from common character wheel, in character wheel intermediate fabrication the light hole of 3 certain angles, light can be transmitted to from a side of character wheel the opposite side of character wheel by crossing unthreaded hole.In the both sides of individual 1,000 each character wheels of kilobit, one group of photoelectric tube is installed respectively, every group of photoelectric tube is made up of 5 luminotrons and 5 receiving tubes.Each mechanical character wheel has the light-emitting tube of 5 correlation and light receiving tube to identify its position, the position that these 5 light-emitting tubes and light receiving tube are all mutually 36 degree luminotrons and receiving tube installs to be fixed, in the time that character wheel rotates, the angle that character wheel is crossed unthreaded hole changes, and the light that corresponding luminotron sends sees through wheel and is irradiated to the quantity of character wheel opposite side and position along with changing.At character wheel on each reading of 0-9, it is all different that light sees through the quantity of the another side of character wheel being irradiated to and the position of character wheel, encodes, then read the data of water meter through decoding according to this principle.
Single-chip microcomputer is by driving one by one light-emitting tube luminous, detects and the whether position of the character wheel light hole of conducting in the middle of judging of the receiving tube of its correlation, concludes successively the physical location of character wheel.Dry type direct-reading water meter, ten, hundred and kilobit be all directly to judge in this way, so have like four categories photoemission and receive decision circuit.The asynchronous communication interface of photoelectric direct reading module and host computer, is M-BUS bus interface circuit here, and optical-electric module no longer needs independent power supply, and scm software need to add the related protocol of M-BUS bus.
Direct-reading tele-metering water meter has the ISP debug port of program development and download.
Photoelectric direct-reading water meter, change by transmission type photoelectric, moment checks meter and reads character wheel of counter location status, adopt photoelectric encoder principle, using each character wheel as a code-disc, the infrared light that light tank on five infrared receiving tubes induction character wheels is penetrated and the level that causes changes one group of five-digit number code of composition, after decoding teletransmission to system computer in the demonstration numeral identical with water meter window value on interface of checking meter.
This direct-reading tele-metering water meter is at ordinary times without power supply, only need be in the moment power supply of checking meter, in the time that single-chip microcomputer obtains water-meter reading read instruction by M_BUS bus, single-chip microcomputer is by driving one by one light-emitting tube luminous, detect and the whether position of the character wheel light hole of conducting in the middle of judging of the receiving tube of its correlation, decode numeral, and then directly read the window value above water meter, and go out by M_BUS bus transfer.
Its feature of the intellectual coded water meter of photoelectric direct reading counter is transmission type photoelectric conversion direct-reading water meter, read the moment character wheel of counter location status of checking meter, adopt photoelectric encoder principle, using each character wheel as a code-disc, the infrared light that light tank on five infrared receiving tubes induction character wheels is penetrated and the level that causes changes one group of five-digit number code of composition, after decoding teletransmission to system computer in the demonstration numeral identical with water meter window indicating value on interface of checking meter.Its advantage:
(1), direct transmission light electricity conversion, directly reliable, be not subject to time and environment and occur interpretation difficulty and error code.System data is identical with base table data, really reaches zero error and checks meter in real time.
(2), utilize unique coding techniques, the inaccurate difficult problem of reading while really thoroughly having solved direct-reading gage carry.
(3) devices such as the counter, in direct-reading gage meter electronic module part and table meter do not have Mechanical Contact, do not affect original measuring accuracy, have thoroughly solved the problem of direct-reading gage measuring accuracy.
(4), directly reading the window indicating value of table meter, is not accumulative total umber of pulse, there is no cumulative errors, does not need to arrange the parameter 8 such as the table truth of a matter, table constant, without storage data, has really realized reliable " meter reading ".
(5), at ordinary times without power supply, only need be in the moment power supply of checking meter, failure rate and low in energy consumption, long service life.
(6), electromagnetic compatibility (EMC) the test requirement that is up to state standards, overcome direct-reading water meter and be subject to the difficult problem that affects its stability of outside electromagnetic interference; And the impact not refluxed, electronic module, in off position, is not subject to system whether power-off, fault occurred or disturbs the even impact of thunder and lightning at ordinary times.
(7), each table is in respect of the unique address coding that belongs to this table, facilitates management maintenance.
(8), bus structure processed, easy construction.
Implement the utility model embodiment, photo-electronic directly reading technology, the window value of directly reading water meter, accurate measurement, does not have pulse cumulative errors, non-transformer in table, electronic section does not directly contact with mechanical part, and direct readout only powers up work in the moment of checking meter.Can realize switch valve function simultaneously.M_BUS(symphonic mbus, long-distance meter-reading system) bus standard, tree structure, convenient construction is safeguarded.Common two heart yearns connect, and do not distinguish positive-negative polarity, complete data communication simultaneously and table meter power supply function is provided.Direct-reading water meter is without initialization, and table meter address can be set flexibly, and kilowatt meter reading-out system maintenance workload is little.
In addition, the direct-reading tele-metering water meter above the utility model embodiment being provided is described in detail, applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (6)
1. a direct-reading tele-metering water meter, is characterized in that, one group of photoelectric tube is installed respectively in the both sides that are included in intellectual water meter reading character wheel, and every group of photoelectric tube includes light-emitting tube and light receiving tube; And for the photo-electronic directly reading controller of settling signal collection and data processing, and the communication interface of communicating by letter with external communication device, is connected based on M-BUS bus interface circuit between described communication interface and photo-electronic directly reading controller.
2. direct-reading tele-metering water meter as claimed in claim 1, is characterized in that, described light-emitting tube is at least more than one or one; Described light receiving tube is at least more than one or one.
3. direct-reading tele-metering water meter as claimed in claim 1, is characterized in that, described direct-reading tele-metering water meter also includes for supplying program development and downloading ISP debug port, and described ISP debug port is communicated by letter with photo-electronic directly reading controller.
4. direct-reading tele-metering water meter as claimed in claim 2, is characterized in that, light-emitting tube and light receiving tube in described every group of photoelectric tube are mutually 35 degree.
5. direct-reading tele-metering water meter as claimed in claim 4, is characterized in that, described intellectual water meter reading character wheel comprises 1,000 kilobit, is separately installed with one group of photoelectric tube in the both sides of described 1,000 each character wheels of kilobit.
6. photoelectricity branch line remote transmission intelligent water meter as claimed in claim 1, is characterized in that, described photo-electronic directly reading controller communication is connected with communication interface by M-BUS bus interface circuit based on asynchronous serial communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881660.6U CN203719720U (en) | 2013-12-28 | 2013-12-28 | Direct-reading and far-transmitting water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881660.6U CN203719720U (en) | 2013-12-28 | 2013-12-28 | Direct-reading and far-transmitting water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203719720U true CN203719720U (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320881660.6U Expired - Fee Related CN203719720U (en) | 2013-12-28 | 2013-12-28 | Direct-reading and far-transmitting water meter |
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| CN (1) | CN203719720U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106157588A (en) * | 2016-08-15 | 2016-11-23 | 扬州恒隆软件有限公司 | Quick high accuracy photoelectric direct-reading intelligent water meter system |
| CN106813732A (en) * | 2017-02-22 | 2017-06-09 | 南京林洋电力科技有限公司 | A kind of super low-power consumption high reliability water meter, power supply switching and its metering 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 |
-
2013
- 2013-12-28 CN CN201320881660.6U patent/CN203719720U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106157588A (en) * | 2016-08-15 | 2016-11-23 | 扬州恒隆软件有限公司 | Quick high accuracy photoelectric direct-reading intelligent water meter system |
| CN106813732A (en) * | 2017-02-22 | 2017-06-09 | 南京林洋电力科技有限公司 | A kind of super low-power consumption high reliability water meter, power supply switching and its metering 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20181228 |