CN2689175Y - Straight-reading digital count meter - Google Patents
Straight-reading digital count meter Download PDFInfo
- Publication number
- CN2689175Y CN2689175Y CN 200420033403 CN200420033403U CN2689175Y CN 2689175 Y CN2689175 Y CN 2689175Y CN 200420033403 CN200420033403 CN 200420033403 CN 200420033403 U CN200420033403 U CN 200420033403U CN 2689175 Y CN2689175 Y CN 2689175Y
- Authority
- CN
- China
- Prior art keywords
- infrared
- character wheel
- meter
- utility
- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a counting meter which can directly read and record the reading and is applicable to the remote meter reading system such as the water meter, the electricity meters, the gas meter, etc. An optical-electricity encoder is provided on the position of the rotary shaft which is installed a print wheel. The optical-electricity encoder including an emitting device and a receiving device is provided on a coaxial shaft with the print wheel. The print wheel is provided between the corresponding emitting device and the receiving device, and is provided with a code channel which is corresponded with the emitting light source or the receiving light source of the emitting device and the receiving device. The light source emitted by the emitting device is vertical with an infrared light activated element in the receiving device. The utility model verily makes the passive pointer. The electronic part of the pointer is not needed to add electricity, and only needs to supply electricity by the collector in the moment of reading meter. The electrical source is not provided in the inside of the utility model, and the utility model does not exist with the phenomenon of missing record created by the malfunction of the electric source and the battery of the traditional mode. The utility model has easy installation and simple adjustment. The system is not needed to initialize, the maintenance is very convenient, and the work load of the maintenance is few.
Description
Technical field:
The utility model relates to a kind of counting device, particularly a kind of count table that can directly read and write down reading that is applicable to long-distance meter-reading systems such as water, electricity, gas.
Background technology:
In recent years, along with deepening constantly of China's IT industry construction and improving constantly of people's living standard, people no longer are confined on the hardware foundations such as area, finishing, surrounding enviroment and supporting communal facility in house the requirement of house, but intellectuality, the digitizing aspect of eye having been invested more and more community.Central three meter transcribing system becomes a current hot issue in the ascendant as one of the most basic ingredient in intelligent residential district.On the one hand increasing developer is in the process of the update of the gas meter of its newly-built residential quarters, water meter, ammeter, and central three meter transcribing system also becomes the object of paying close attention to of relevant departments and unit.Central three meter transcribing system is that original water, electricity and gas is checked meter and revolution of charge method.For a long time, water, electricity and gas is checked meter and charge method rests on behind the road of being checked meter from house to house, being charged by the person of checking meter on the level always, and efficient is low on the one hand for this counting cost by gas meter mode, and workload is big, has wasted lot of manpower and material resources; On the other hand, this mode is also utilized by the offender easily, threatens the lives and properties of resident family.Therefore, this counting cost by gas meter mode can't adapt to the era development needs.Just in this case, central three meter transcribing system is ready to appear.So-called central three meter transcribing system utilizes computer and network technologies exactly, and the water, electricity and gas data that the user uses are regularly collected automatically, gathered, and is saved in the computing machine of foreground, according to user's use data, calculates, prints various charge documents.Central three meter transcribing system has changed the past manual meter reading method, the person of checking meter is freed from loaded down with trivial details work of past, not only improve the work efficiency of water, electricity and gas administrative authority, reduced the human capital input, reduced cost, improved image, and for these industries have improved reliable modern management means, the various disadvantages in the management of avoiding over increase the scientific and technological content of residential building and intelligent level, make things convenient for the estate management of house, improved resident's quality of life.
Central three meter transcribing system mainly comprises this several sections: the table tool with teletransmission function; Data acquisition unit; Communication network; Main control computer.Wherein, the table tool has determined the accuracy of whole central three meter transcribing system.In present most central three meter transcribing system, the remote installed meter tool of use is a pulsed.Use this pulsed remote installed meter tool centralized meter-reading system often all to have following problem: 1. this pulsed table tool mistake is easily sent out pulse, causes counting to be forbidden; 2. if data acquisition unit has a power failure or breaks down, the pulse that the table tool sends just can't add up, and causes data to be made mistakes.Because metering is inaccurate, the application of central three meter transcribing system and development have been subjected to very big influence and restriction.
At present, the remote installed meter tool that comprises reflective optical encoder formula, photography formula etc. all in various degree have a variety of issue, be subjected to extraneous as greasy dirt or contamination by dust and cisco unity malfunction or photography in the echo area easily, also have no way of judging because of the coding between sphere and the echo area easily and have the dead band, intermediateness between numeral and numeral and have no way of judging, and the pictorial data amount is big, during transmission cost, and difficult treatment.
Summary of the invention:
Goal of the invention of the present utility model provides a kind of novel count table that can directly read and write down reading that is applicable to long-distance meter-reading systems such as water, electricity, gas, this direct-reacting digital count table character wheel is provided with specific markers, the various states of the character wheel that utilizes photoelectric sensor to judge obtain the character wheel reading, and are sent to concentrator or manual operator; The utility model promptly is that the design photoelectric encoder reads the angle at character wheel place, thereby obtains the current numeral at display window of character wheel, and then obtains the reading of base table; The utility model can directly read the numeral of character wheel at display window, and accurately, the precision height, data transmission is not influenced by extraneous various factors such as magnetic etc., stopped to read the misoperation of numeral, long service life, can organically combine with tele-control system, reliable, daily servicing convenience, install and easy to use, and this direct-reading register by communication bus directly with the reading teletransmission of showing, communication bus interface can be 485 buses, CAN bus, or M-BUS, can be widely used in all kinds of remote centralized Automatic meter reading system.
Concrete technical scheme of the present utility model is as follows:
The direct-reacting digital count table, comprise base table, control main board, display window, described base table comprises character wheel, rotation axis, it is characterized in that: the position at the rotation axis that character wheel is installed also is provided with photoelectric encoder, comprise that the photoelectric encoder of emitter and receiving trap and character wheel are on a concentric shafts, be character wheel between the emitter of every correspondence and the receiving trap, character wheel is provided with the corresponding code channel that passes through of light source with emitter and receiving trap emission or reception, and the light source that emitter is launched is vertical with receiving trap mid-infrared light photosensitive elements.
Emitter described in the utility model comprises infrared or red emission pipe and countdown circuit, each is infrared or a red emission Guan Zaiyi circumferential plane is interior evenly distributes, and corresponding with the position infrared or the ruddiness light activated element in the receiving trap, and each infrared or red emission pipe provides the source of parallel light of emission not intersect mutually.
Receiving trap described in the utility model comprises infrared or ruddiness light activated element and receiving circuit, infrared optical sensor is low impedance state under illumination, under unglazed, be high impedance status, and it is each infrared or ruddiness light activated element evenly distribution in same circumferential plane, and corresponding with the position infrared or the red emission pipe in the emitter.
Code channel described in the utility model is to be positioned to be the fan-shaped directional light passage of strip on the character wheel, comprises two code channels that are positioned at rotational axis hole both sides on the character wheel.
Infrared or ruddiness light activated element described in the utility model is infrared or the ruddiness light receiving tube, as TWPD0805C infrared light receiving tube.
Emitter described in the utility model mainly provides source of parallel light, code channel mainly is to make some source of parallel light can reach light activated element in the corresponding receiving trap, show state " 0 " or " 1 " that the receiving circuit in the receiving trap is corresponding different according to the different conditions of light activated element.
The utility model design photoelectric encoder reads the angle at character wheel place, thereby obtains the current numeral at display window of character wheel, and then obtains the reading of base table; The utility model can directly read the numeral of character wheel at display window, and accurately, the precision height, data transmission is not influenced by extraneous various factors such as magnetic etc., stopped to read the misoperation of numeral, long service life, and can organically combine with tele-control system, reliable, daily servicing convenience, installation and easy to use.
Accompanying drawing and drawing explanation:
Fig. 1 planar structure synoptic diagram of the present utility model
The planar structure synoptic diagram of Fig. 2 the utility model character wheel
The mounting plane structural representation of the infrared transmitting tube in Fig. 3 the utility model emitter
Infrared optical sensor mounting plane structural representation in Fig. 4 the utility model receiving trap
Fig. 5 countdown circuit figure described in the utility model
Fig. 6 receiving circuit figure described in the utility model
Fig. 7 the utility model is applicable to the system block diagram of tele-control system
Fig. 8 structure principle chart of the present utility model
Embodiment:
Embodiment 1
The direct-reacting digital count table, comprise base table 1, control main board 2, display window 3, described base table 1 comprises character wheel 4, rotation axis 5, it is characterized in that: the position at the rotation axis 5 that character wheel 4 is installed also is provided with photoelectric encoder 6, the photoelectric encoder 6 that comprises emitter 7 and receiving trap 8 and character wheel 4 are on a concentric shafts, be character wheel 4 between the emitter 7 of every correspondence and the receiving trap 8, character wheel 4 is provided with the corresponding code channel that passes through 9 of light source with emitter 7 and receiving trap emission 8 or reception, and the light source that emitter 7 is launched is vertical with receiving trap 8 mid-infrared light photosensitive elements 10.
Receiving trap 8 described in the utility model comprises infrared optical sensor 10 and receiving circuit 13, infrared optical sensor 10 is low impedance state under illumination, under unglazed, be high impedance status, and each infrared optical sensor 10 evenly distributes in same circumferential plane, and corresponding with the position of infrared transmitting tube 11 in the emitter 7.
As a same reason, red emission pipe, ruddiness light activated element can be realized goal of the invention of the present utility model equally.
Principle of work of the present utility model is as follows:
When reading, CPU controls radiating circuit, makes 5 power valves simultaneously luminous.The luminous energy that power valve sends does not arrive corresponding receiving tube, then leans on the determining positions of code channel.Code channel is made on the character wheel, along with character wheel rotates and the change position.Like this, when character wheel was in diverse location, the position of code channel was also different, the light that is blocked by it and see through its to arrive the light of receiving tube also different, thus the state that receiving tube is presented is also different.Such as: when character wheel when the numeral of display window is " 0 ", light transmission code channel that power valve A, B, D send arrives A1, B1, the D1 receiving tube, and the light that power valve C, E send can't reach C1, E1 receiving tube because of being blocked by code channel, and like this, we can obtain a binary coding 00101; When character wheel when the numeral of display window is " 1 ", the light transmission code channel that power valve B sends reaches the B1 receiving tube, and the light that power valve A, C, D, E send can't reach A1, C1, D1, E1 receiving tube because of being blocked by code channel, and like this, we can obtain a binary coding 10111; Each character wheel has ten numerals, respectively corresponding 10 codings, and in order to ensure precision, we increase a coding in the middle of two numerals, be 20 codings so altogether.By design, we guarantee that each coding all is a position on unique corresponding character wheel.CPU just can identify the numeral of the display window of character wheel according to coding, thereby realizes the direct-reading function of table tool.
Embodiment 3
The transmission principle of the remote system that the utility model was suitable for is as follows:
The data transmission of direct-reading sensor adopts the communication of M-BUS bus mode.
(Meter-BUS EN1434-3) is consumer instrument current international practice standard to a.M-BUS.Its topological structure is tree type bus structure.Adopt common two core cable to connect, finish the function that table meter power supply and data communication are provided simultaneously.
The b.M-BUS bus need not be distinguished polarity when connecting, can be according to randomly topologically structured cable wiring manufacture, and its construction cost and difficulty descend greatly.
The working pressure of c.M-BUS bus is 20V-30V, and driving force reaches 300mA, and communication length can reach 100m, and communication speed is 2400dps.Bus can be hung the table meter more than 100.
The d.M-BUS bus has good opening, can with state's appearance meter direct organization, as U.S. Siemens calorimeter, German He Delumeite calorimeter.
Important technological parameters of the present utility model is as follows:
1. base table specification and basic parameter thereof
Product specification flow maximum flow minimum flow working pressure range operating ambient temperature
J2.5 2.5m
3/h 4m
3/h 0.025m
3/h 0.5-50kPa 0-40℃
J4 4m
3/h 6m
3/h 0.04m
3/h 0.5-50kPa 0-40℃
J6 6m
3/h 10m
3/h 0.06m
3/h 0.5-50kPa 0-40℃
2. show basic error in dipping: meet the regulation among the GB/T6968-1997.
Dynamoelectric signal conversion error in dipping≤± 1m
3
Pressure loss value≤200Pa.
Maximum directly teletransmission is apart from 1km.
Operating voltage: 12V.
Maximum instantaneous working current: 150mA.
System's average power consumption: 0.5W.
Each reading duration: less than 1 second.
The utility model adopts direct meter reading technology, has thoroughly solved the drawback of traditional step-by-step counting mode.This technology directly reads dial digital i.e. " window value ", need not to be provided with parameters such as the table truth of a matter, table constant in the collector; Need not to store data, do not have cumulative errors, really realized " meter reading ", the history that numerical value is changed in the accumulative total that is through with pulse.Reading device reads table meter location parameter in the direct-reading table, does not influence the measuring accuracy of table meter own.This reading device is reliable and stable, antijamming capability is strong, adaptive capacity to environment is strong, has thoroughly solved " pulse measurement error " and problems such as " power down pulse missings " that the pulse meter tool produces because of factors such as mechanical vibration, electromagnetic interference (EMI), power supply influence, character wheel reversings in metering process.The utility model accurate measurement, owing to be not pulse meter, so there is not the secondary measurement error, there are not cumulative errors in the formula that do not add up metering yet, has ideally realized once showing the corresponding one by one of radix and remote meter reading data.The utility model has really been accomplished " passive " table meter.The electronic section of table meter need not power up at ordinary times, is only powered by collector in meter reading moment, and power supply is not established in inside, the leakage meter phenomenon that does not exist traditional approach to cause because of power supply or battery failures.The utility model is installed easily, and debugging is simple; System need not initialization; It is very convenient to safeguard, the workload of maintenance is few.
Claims (4)
1, a kind of direct-reacting digital count table, comprise base table (1), control main board (2), display window (3), described base table (1) comprises character wheel (4), rotation axis (5), it is characterized in that: the position at the rotation axis (5) that character wheel (4) is installed also is provided with photoelectric encoder (6), the photoelectric encoder (6) that comprises emitter (7) and receiving trap (8) and character wheel (4) are on a concentric shafts, be character wheel (4) between emitter of every correspondence (7) and the receiving trap (8), character wheel (4) is provided with the corresponding code channel that passes through of light source (9) with emitter (7) and receiving trap emission (8) or reception, and the light source that emitter (7) is launched is vertical with receiving trap (8) mid-infrared light photosensitive elements (10).
2, a kind of direct-reacting digital count table according to claim 1, it is characterized in that: described emitter (7) comprises infrared or red emission pipe (11) and countdown circuit (12), each infrared or red emission pipe (11) evenly distribution in a circumferential plane, and corresponding with the position infrared or ruddiness light activated element (10) in the receiving trap (8), and each infrared or red emission pipe (11) provides the source of parallel light of emission not intersect mutually.
3, a kind of direct-reacting digital count table according to claim 1 and 2, it is characterized in that: described receiving trap (8) comprises infrared or ruddiness light activated element (10) and receiving circuit (13), infrared or ruddiness light activated element (10) is low impedance state under illumination, under unglazed, be high impedance status, and each infrared or ruddiness light activated element (10) evenly distributes in same circumferential plane, and corresponding with the position of infrared transmitting tube (11) in the emitter (7).
4, a kind of direct-reacting digital count table according to claim 1 is characterized in that: described code channel (9) is to be positioned to be the fan-shaped directional light passage of strip on the character wheel (4), comprises being positioned at two code channels (9) that character wheel (4) is gone up the rotational axis hole both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420033403 CN2689175Y (en) | 2004-03-26 | 2004-03-26 | Straight-reading digital count meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420033403 CN2689175Y (en) | 2004-03-26 | 2004-03-26 | Straight-reading digital count meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2689175Y true CN2689175Y (en) | 2005-03-30 |
Family
ID=34670730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420033403 Expired - Lifetime CN2689175Y (en) | 2004-03-26 | 2004-03-26 | Straight-reading digital count meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2689175Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494700A (en) * | 2011-11-30 | 2012-06-13 | 成都千嘉科技有限公司 | Method for solving problem of carry errors of photoelectric direct reading counter |
| CN102645250A (en) * | 2012-03-27 | 2012-08-22 | 无锡市云感科技股份有限公司 | Software fault-tolerant method of character wheel direct reading error |
| 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 |
| CN104380059A (en) * | 2012-05-25 | 2015-02-25 | 一Tl株式会社 | Electrical gas meter and apparatus and method for remotely transmitting gas usage |
| CN109253771A (en) * | 2018-11-22 | 2019-01-22 | 安徽翼迈科技股份有限公司 | A kind of big table gauge of passive photoelectric direct-reading and its implementation |
-
2004
- 2004-03-26 CN CN 200420033403 patent/CN2689175Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494700A (en) * | 2011-11-30 | 2012-06-13 | 成都千嘉科技有限公司 | Method for solving problem of carry errors of photoelectric direct reading counter |
| CN102645250A (en) * | 2012-03-27 | 2012-08-22 | 无锡市云感科技股份有限公司 | Software fault-tolerant method of character wheel direct reading error |
| CN102645250B (en) * | 2012-03-27 | 2014-04-30 | 无锡市云感科技股份有限公司 | Software fault-tolerant method of character wheel direct reading error |
| CN104380059A (en) * | 2012-05-25 | 2015-02-25 | 一Tl株式会社 | Electrical gas meter and apparatus and method for remotely transmitting gas usage |
| 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 |
| CN109253771A (en) * | 2018-11-22 | 2019-01-22 | 安徽翼迈科技股份有限公司 | A kind of big table gauge of passive photoelectric direct-reading and its implementation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100470204C (en) | High precision low cost angle sensor detector methods and apparatus | |
| CN1053965C (en) | Method and apparatus for electronic meter testing | |
| CN104410164B (en) | Ii type electric energy efficiency management terminal and system | |
| CN106500928B (en) | A kind of reservoir dam Seepage Safety online auto monitoring system | |
| CN1845519A (en) | Integrative intelligent system of digitization community | |
| CN113959489B (en) | On-line monitoring system and method for river-entering rainwater discharge port | |
| CN208314229U (en) | A kind of Portable gas image sensor fault detection means | |
| CN2689175Y (en) | Straight-reading digital count meter | |
| CN202885840U (en) | Multi-loop magneto-electric absolute value encoder | |
| CN2689176Y (en) | Controller of straight-reading digital count meter | |
| CN203719720U (en) | Direct-reading and far-transmitting water meter | |
| CN2779357Y (en) | Weight drop type intelligent powder level gauge | |
| CN1198119C (en) | Long-distance collection and transmission method and apparatus for counting of wheel-type counter | |
| CN204304614U (en) | I type electric energy efficiency office terminal and system | |
| CN108305454A (en) | A kind of intelligent acquisition system for table tool information | |
| CN1734456A (en) | Integrated management system for wireless data acquisition | |
| CN103116970B (en) | A kind of meter data gathers automatically, teletransmission and processing system and method | |
| CN1210569C (en) | Data processing system for in-line monitor of environment | |
| CN2745035Y (en) | Cost allocation device for central air-conditioner draught fan coil pipe in office buildings | |
| CN2938251Y (en) | Radio frequency electromechanical direct meter reader | |
| CN2459715Y (en) | Counter reading out device for flow meter | |
| CN2711708Y (en) | Long distance transmission digital thermometer | |
| CN2890846Y (en) | Household multi-port central air conditioner charging device | |
| CN103049999A (en) | Novel gas meter reading and valve control method | |
| CN1025801C (en) | Automatic data acquisition system for electric meter, water meter and gas meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140326 Granted publication date: 20050330 |
|
| DD01 | Delivery of document by public notice |
Addressee: Xie Yuanwei Document name: Notification of Expiration of Patent Right Duration |