CN103116975A - Direct reading type remote meter reading system - Google Patents
Direct reading type remote meter reading system Download PDFInfo
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- CN103116975A CN103116975A CN2013100270650A CN201310027065A CN103116975A CN 103116975 A CN103116975 A CN 103116975A CN 2013100270650 A CN2013100270650 A CN 2013100270650A CN 201310027065 A CN201310027065 A CN 201310027065A CN 103116975 A CN103116975 A CN 103116975A
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Abstract
The invention discloses a direct reading type remote meter reading system. Each reading conversion layer comprises n collectors, x photoelectric direct reading meters are connected on each collector, the x photoelectric direct reading meters are connected in series and then connected with the input end of each collector in series through a communication circuit I, the output ends of the n collectors are connected in series and then connected with the input end of each acquisition/relay layer through a communication circuit II, the output ends of the m acquisition/relay layers are connected in parallel and then connected with the input end of a data centralization layer in a centralized manner, and the output end of the data centralization layer is connected with a management layer. The direct reading type remote meter reading system disclosed by the invention can not only simplify the operation of a user to the greatest extent, but also realize home-confined intelligent meter reading in the real sense.
Description
Technical field
The present invention relates to a kind of direct-reading long-distance meter-reading system.
Background technology
Present water meter, hot water gauge, gas meter all need to carry out manual metering by the staff in client family, and this mode is complicated operation not only, and the lost labor.
Summary of the invention
The invention provides a kind of direct-reading long-distance meter-reading system, it not only simplifies user's operation to the full extent, and realizes truly home-confined, intelligent meter data recording.
The present invention has adopted following technical scheme: a kind of direct-reading long-distance meter-reading system, it comprises m layer reading conversion layer from bottom to up, m layer collection/relay layer, data set middle level and administration and supervision authorities, described every layer of reading conversion layer comprises n collector, be connected with x photoelectric direct-reading meter on each collector, be connected in series with the input end of each collector by communication line I after x the photoelectric direct-reading meter series connection, be connected with the input end of every layer of collection/relay layer by communication line II after the output terminal serial connection of n collector, the output terminal parallel connection of m layer collection/relay layer is concentrated afterwards and is connected with the input end in data set middle level, the output terminal in data set middle level is connected with administration and supervision authorities, the reading conversion layer converts the displayed value of each photoelectric direct-reading meter to the reading corresponding with it, and be sent to collector by communication line I, collector sends information to collection/relay layer by communication line II after with the reading collection and carries out relaying, the effect in data set middle level is regularly to read and store the data of subordinate Ge Biao meter and transmit the true-time operation order, administration and supervision authorities are that the data of transmission are processed, store, send meter reading instruction, make corresponding response, finish the task of checking meter, and inquiry is provided, print.
Described communication line I is set to the RS485 bus, and described collector is set to DTO3200M type intelligent data acquisition unit, is connected with DTO3200M type intelligent data acquisition unit by the RS485 bus after x the photoelectric direct-reading meter series connection.Described communication line I is set to the M-BUS bus, and described collector is set to DTO800D type intelligent data acquisition unit, is connected with DTO800D type intelligent data acquisition unit by the M-BUS bus after x the photoelectric direct-reading meter series connection.Described communication line II is set to the RS485 bus, is connected with the input end of every layer of collection/relay layer by the RS485 bus after the output terminal serial connection of n collector.Described photoelectric direct-reading meter is set to transmission type photoelectric conversion direct read device, dry type photoelectricity DC water meter, photo-electronic directly reading intellectual water meter, photo-electronic directly reading intelligent electric meter or photo-electronic directly reading intelligence gas meter.Described collection/relay layer is set to DTO800D type repeater.Described data set middle level is set to DT3200D type zone concentrator.Described distance between data set middle level and administration and supervision authorities distance is during less than 15 meters, the data set middle level is provided with the RS232 interface, administration and supervision authorities are provided with the RS232 interface, the data set middle level is connected with supervisory level communications by the RS232 serial cable, when the distance between data set middle level and the administration and supervision authorities distance during greater than 15 meters, the data set middle level is connected with supervisory level communications with telephone network by modulator-demodular unit or the data set middle level is passed through the GPRS communication mode and is connected with supervisory level communications.Described administration and supervision authorities are set to main control computer.
The present invention has following beneficial effect: upper layer communication of the present invention refers to communicating by letter between concentrator and the main control computer, middle level communication refers to communicating by letter between concentrator and its subordinate's collection/repeater, lower floor communicates by letter be collector/repeater with its subordinate's direct-reading gage between communicate by letter.These three layers of communications are separate on physical arrangement, to communication mode, transmission medium, transfer rate require different.The present invention's not only data accuracy of checking meter directly reads " window value " of table meter, has reduced the trouble spot that the accumulative total pulse converts, and does not have cumulative errors; Direct-reading gage meter electronic section does not have Mechanical Contact with devices such as counter in the table, is not subjected to effect of jitter and causes error; Instantaneous reading out data when checking meter is not subjected to electromagnetic interference influence so meter reading data accurately, reliably.And the convenience of checking meter, directly read " window value " that table is counted, the table truth of a matter need be set, the various parameters such as table constant need not to store data, easy to operate practicality, also have in addition low-power consumption and " economize energy ", electronics sampling device only provides working power by repeater when checking meter, and power supply is not established in inside, do not work at ordinary times, not power consumption, power consumption reduces greatly, and the security performances such as while thunder-lightning are not worked at ordinary times owing to the electronic section in the table, be hedged off from the outer world, be not subjected to outside electromagnetic interference.
Description of drawings
Fig. 1 is structured flowchart of the present invention.
Fig. 2 for when data set middle level and administration and supervision authorities apart between the communication synoptic diagram that pass through RS232 serial cable of distance during less than 15 meters.
Fig. 3 is that the data set middle level is by modulator-demodular unit and telephone network and supervisory level communications connection diagram.
Fig. 4 is that the data set middle level is by GPRS communication mode and supervisory level communications connection diagram.
Embodiment
In Fig. 1, the invention provides a kind of direct-reading long-distance meter-reading system, it comprises 6 layers of reading conversion layer from bottom to up, 6 layers of collection/relay layer, data set middle level and administration and supervision authorities, described every layer of reading conversion layer comprises 10 collectors, be connected with 60 photoelectric direct-reading meters on each collector, described photoelectric direct-reading meter is set to transmission type photoelectric conversion direct read device, dry type photoelectricity DC water meter, the photo-electronic directly reading intellectual water meter, photo-electronic directly reading intelligent electric meter or photo-electronic directly reading intelligence gas meter, collection/relay layer is set to DTO800D type repeater, the data set middle level is set to DT3200D type zone concentrator, be connected in series with the input end of each collector by communication line I after 60 photoelectric direct-reading meter series connection, communication line I is set to the RS485 bus, described collector is set to DTO3200M type intelligent data acquisition unit, be connected with DTO3200M type intelligent data acquisition unit by the RS485 bus after 60 photoelectric direct-reading meter series connection, communication line also can be set to the M-BUS bus by I, described collector is set to DTO800D type intelligent data acquisition unit, be connected with DTO800D type intelligent data acquisition unit by the M-BUS bus after 60 photoelectric direct-reading meter series connection, be connected with the input end of every layer of collection/relay layer by communication line II after the output terminal serial connection of 10 collectors, communication line II is set to the RS485 bus, be connected with the input end of every layer of collection/relay layer by the RS485 bus after the output terminal serial connection of 10 collectors, the output terminal parallel connection of 6 layers of collection/relay layer is concentrated afterwards and is connected with the input end in data set middle level, the output terminal in data set middle level is connected with administration and supervision authorities, the reading conversion layer converts the displayed value of each photoelectric direct-reading meter to the reading corresponding with it, and be sent to collector by communication line I, collector sends information to collection/relay layer by communication line II after with the reading collection and carries out relaying, the effect in data set middle level is regularly to read and store the data of subordinate Ge Biao meter and transmit the true-time operation order, administration and supervision authorities are that the data of transmission are processed, store, send meter reading instruction, make corresponding response, finish the task of checking meter, and provide inquiry, print, in Fig. 2, described distance between data set middle level and administration and supervision authorities distance is during less than 15 meters, the data set middle level is provided with the RS232 interface, administration and supervision authorities are provided with the RS232 interface, the data set middle level is connected with supervisory level communications by the RS232 serial cable, in Fig. 3, when the distance between data set middle level and the administration and supervision authorities distance during greater than 15 meters, the data set middle level is connected with supervisory level communications with telephone network by modulator-demodular unit, in Fig. 4, the data set middle level is connected with supervisory level communications by the GPRS communication mode, described administration and supervision authorities are set to main control computer, at main control computer the intelligent meter data recording system management software is installed, send meter reading instruction by this system software, the zone concentrator is made corresponding response, finishes the task of checking meter.This system is because adopting the regional concentrator of different model, and requires the hardware configuration of main control computer also different, below lists the basic configuration of main control computer, the above operating system of main control computer major parameter: Windows2000, the 40G hard disk, 128M RAM, 1 RS232 (regional concentrator use).Direct-reading centralized meter-reading system of the present invention is similar to collecting and distributing control system in the composition structure, its data communication is comprised of three levels of upper, middle and lower, upper layer communication refers to communicating by letter between concentrator and the main website computer, middle level communication refers to communicating by letter between concentrator and its subordinate's collection/repeater, lower floor communicates by letter be collector/repeater with its subordinate's direct-reading gage between communicate by letter.These three layers of communications are separate on physical arrangement, to communication mode, transmission medium, transfer rate require different, as can be seen from Fig. 4, the downlink communication interface of repeater is connected with direct-reading gage by RS485 bus or M-BUS bus, and the direct supply that collection/repeater provides when adopting the RS485 communication mode is connected with the RS485 direct-reading gage wire by another.According to present design, consider the capacity of repeater power supply, the direct-reading gage number that collector can connect is≤64.Be composition and the power supply that makes things convenient for system, often in every building or collection/repeater of each corridor configuration, to connect the direct-reading gage of each layer of whole unit.
The data message between main control computer and table unit is processed and exchanged in the data centralization unit that regional concentrator of the present invention is Intelligent meter reading network system, regional concentrator by setting up reliable communication channel.Can be configured to according to demand every day per month, sometime timing automatic a certain or two days is checked meter, the data after checking meter are kept in the regional concentrator, read at any time for main control computer.Main control computer can read the table data by RS232.Both can read the meter reading data that has read and preserved in the regional concentrator, also can make regional concentrator operation collector and table unit, extracted the up-to-date meter reading data of table unit.When using RS232 to check meter, be connected to by the serial ports extended line on the serial ports of main control computer.The technical indicator of zone concentrator is as follows: 1, unit type: DT3200D; 2, working power: 12VDC/2A; 3, communication mode: with host computer: RS232; Connect the RS485 backbone bus with slave computer; 4,485 communication modes: 1200 meters (add repeater and can prolong communication distance); 5, subordinate's relaying number :≤128; 6, physical dimension: 121mm X85mm X27mm; 7, working environment: temperature: 0 ℃～55 ℃; Humidity: 5～95%RH.
DTO800D type repeater of the present invention is integrated Switching Power Supply, Repeater and power-supply controller of electric three large functions also have the Bus isolation function when having the lightning protection effect; Internal circuit energy automatic sensing data flow direction, automaticallying switch enables control end, and signal is amplified, strengthens; When checking meter signal on the backbone network, to collector power supply and open communication line; When backbone network during without communication signal, the output of repeater and input are disconnected by the internal relay contact, so that junction network and core network are in complete isolation.The technical indicator of DTO800D type repeater of the present invention: 1, unit type: DTO800D; 2, communication mode: up, the descending RS485 that is; 3, communication distance: 1200m; 4, connect collector quantity≤10; 5, working power: 12VDC/1A; 6, protection class: the lightning surge protection of the every line 600W of RS-485 interface; 7, physical dimension: 121mm X85mm X27mm; 8, working environment: temperature: 0 ℃～55 ℃; Humidity: 5～95%RH.
The system of DTO800D type intelligent data acquisition unit of the present invention (RS485 type) accesses table unit in the corresponding collector output channel by addressing mode, and does not affect table unit work in other collector output channel; Passage output expansion when network data transmission, is RS485 table unit supply power and communication channel; Signal to communication link amplifies, and can prolong the Internet Transmission distance and increase the offered load ability; Only power by trunk network in the moment of checking meter, the entire system power-dissipation-reduced, antijamming capability is strong.The technical indicator of DTO800D type intelligent data acquisition unit of the present invention: 1, unit type: DTO800D; 2, communication mode: up, the descending RS485 of being: connect trunk network with host computer; Connect expansion bus with slave computer; 3, communication distance: 1200m; 4, connect intelligent meter quantity≤64; 5, interface features: compatible RS-485; 6, supply voltage: 12 ± 2V; 7, electric current: quiescent current≤5mA; Working current :≤200mA (single channel connects 64 table units, 300 meters of line lengths); 8, protection class: the lightning surge protection of the every line 600W of RS-485 interface; 9, size: 121mm X85mm X27mm; 10, environment for use: temperature: 0 ℃ 55 ℃, relative humidity: 5% to 95%.
DTO3200M type intelligent data acquisition unit of the present invention (MBUS type) system accesses table unit in the corresponding collector output channel by addressing mode, and does not affect table unit work in other collector output channel; Passage output expansion when network data transmission, is M-BUS table unit supply power and communication channel; Signal to communication link amplifies, and can prolong the Internet Transmission distance and increase the offered load ability; Only power by trunk network in the moment of checking meter, the entire system power-dissipation-reduced, antijamming capability is strong.DTO3200M type intelligent data acquisition unit technical indicator of the present invention: 1, unit type: DT3200M; 2, communication mode: upper behavior RS485, lower behavior M-BUS: with the up trunk network that connects; With the descending MBUS direct-reading gage expansion bus that connects; 3, communication distance: 1200m; 4, connect intelligent meter quantity≤64; 5, supply voltage: 12 ± 2V; 6, electric current: quiescent current≤5mA; Working current :≤200mA (single channel connects 64 table units, 300 meters of line lengths); 7, protection class: the lightning surge protection of the every line 600W of RS-485 interface; 8, size: 121mm X85mm X27mm; 9, environment for use: temperature: 0 ℃ 55 ℃, relative humidity: 5% to 95%.
Photo-electronic directly reading intelligent meter of the present invention, photoelectric direct-reading meter are the most representative products wherein.This table is the physical location translation of numerical digit on the character wheel by encoding and decoding with the character wheel number " direct-reading " of table out; Code translator meter reading moment is finished decoding, sends data, the output number of table and dial reading bias free, shake, reflux, strong magnetic interference can not affect meter reading.Photoelectric direct-reading meter comprises photoelectric direct-reading water meter, photo-electronic directly reading gas meter.Photo-electronic directly reading intelligent behaviour of the present invention and function: (1) is the physical location translation of numerical digit on the character wheel by encoding and decoding with the character wheel number " direct-reading " of table out; (2) system's (or write by hand device) send electricity when meter reading in table, without battery, does not also need power supply to keep the accurate of data; (3) code translator meter reading moment is finished decoding, sends data, the letter disk reading bias free of the output number of table and table, shake, reflux, strong magnetic interference all can not affect the decoding reading; (4) table has unique identification code, i.e. table address (factory number): 8 bit digital; (5) by bus remote transmission consumption information and other information; (6) provide RS485 bus transfer or MBUS bus transfer, but the also network consisting system that can work independently, and information is by the independent copy reading of special-purpose write by hand device or systems connection copy reading; (7) " 0 " power consumption, failure rate reduces, and the life-span is longer; (8) the intelligent electric subelement is sealed in the counter fully, isolates with water, is not subjected to extraneous water and moisture attack; The technical indicator of photo-electronic directly reading intelligent meter of the present invention: (1) table type: photo-electronic directly reading gas meter, water meter; (2) supply voltage: 12 ± 2V when communication (only supply with); (3) output interface: RS485 or MBUS bus transfer; (4) traffic rate: 2400bps; (5) transmission range :≤1200m; (6) working power: DC.9～12V; (7) rated current: during standby less than 0.6mA, during meter reading less than 10mA; (8) working method: intermittently; (9) working environment: temperature: 0 ℃～50 ℃; 0 ℃～90 ℃ (hot water gauge); (10) humidity: 5～95%RH.
Claims (9)
1. direct-reading long-distance meter-reading system, it comprises m layer reading conversion layer from bottom to up its feature, m layer collection/relay layer, data set middle level and administration and supervision authorities, described every layer of reading conversion layer comprises n collector, be connected with x photoelectric direct-reading meter on each collector, be connected in series with the input end of each collector by communication line I after x the photoelectric direct-reading meter series connection, be connected with the input end of every layer of collection/relay layer by communication line II after the output terminal serial connection of n collector, the output terminal parallel connection of m layer collection/relay layer is concentrated afterwards and is connected with the input end in data set middle level, the output terminal in data set middle level is connected with administration and supervision authorities, the reading conversion layer converts the displayed value of each photoelectric direct-reading meter to the reading corresponding with it, and be sent to collector by communication line I, collector sends information to collection/relay layer by communication line II after with the reading collection and carries out relaying, the effect in data set middle level is regularly to read and store the data of subordinate Ge Biao meter and transmit the true-time operation order, administration and supervision authorities are that the data of transmission are processed, store, send meter reading instruction, make corresponding response, finish the task of checking meter, and inquiry is provided, print.
2. direct-reading long-distance meter-reading system according to claim 1, it is characterized in that described communication line I is set to the RS485 bus, described collector is set to DTO3200M type intelligent data acquisition unit, is connected with DTO3200M type intelligent data acquisition unit by the RS485 bus after x the photoelectric direct-reading meter series connection.
3. direct-reading long-distance meter-reading system according to claim 1, it is characterized in that described communication line I is set to the M-BUS bus, described collector is set to DTO800D type intelligent data acquisition unit, is connected with DTO800D type intelligent data acquisition unit by the M-BUS bus after x the photoelectric direct-reading meter series connection.
4. direct-reading long-distance meter-reading system according to claim 1 is characterized in that described communication line II is set to the RS485 bus, is connected with the input end of every layer of collection/relay layer by the RS485 bus after the output terminal serial connection of n collector.
5. direct-reading long-distance meter-reading system according to claim 1 is characterized in that described photoelectric direct-reading meter is set to transmission type photoelectric conversion direct read device, dry type photoelectricity DC water meter, photo-electronic directly reading intellectual water meter, photo-electronic directly reading intelligent electric meter or photo-electronic directly reading intelligence gas meter.
6. direct-reading long-distance meter-reading system according to claim 1 is characterized in that described collection/relay layer is set to DTO800D type repeater.
7. direct-reading long-distance meter-reading system according to claim 1 is characterized in that described data set middle level is set to DT3200D type zone concentrator.
8. direct-reading long-distance meter-reading system according to claim 1, when it is characterized in that described distance between data set middle level and administration and supervision authorities distance less than 15 meters, the data set middle level is provided with the RS232 interface, administration and supervision authorities are provided with the RS232 interface, the data set middle level is connected with supervisory level communications by the RS232 serial cable, when the distance between data set middle level and the administration and supervision authorities distance during greater than 15 meters, the data set middle level is connected with supervisory level communications with telephone network by modulator-demodular unit or the data set middle level is passed through the GPRS communication mode and is connected with supervisory level communications.
9. according to claim 1 or 8 described direct-reading long-distance meter-reading systems, it is characterized in that described administration and supervision authorities are set to main control computer.
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| CN2013100270650A CN103116975A (en) | 2013-01-21 | 2013-01-21 | Direct reading type remote meter reading system |
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| CN2013100270650A CN103116975A (en) | 2013-01-21 | 2013-01-21 | Direct reading type remote meter reading system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105387902A (en) * | 2015-10-30 | 2016-03-09 | 成都兴联宜科技有限公司 | Photoelectric direct-reading wired remote valve-controlled gas meter |
| CN106289425A (en) * | 2016-07-28 | 2017-01-04 | 湖南威铭能源科技有限公司 | The collecting method of photoelectric direct-reading water meter |
| CN106603735A (en) * | 2015-10-19 | 2017-04-26 | 华为技术有限公司 | Method, device, and system of allocating communication addresses for intelligent instruments |
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| CN106603735A (en) * | 2015-10-19 | 2017-04-26 | 华为技术有限公司 | Method, device, and system of allocating communication addresses for intelligent instruments |
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Application publication date: 20130522 |