CN1071006A - Ammeter, water meter, gas meter automatic data acquisition system (ADAS) - Google Patents
Ammeter, water meter, gas meter automatic data acquisition system (ADAS) Download PDFInfo
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- CN1071006A CN1071006A CN 92110485 CN92110485A CN1071006A CN 1071006 A CN1071006 A CN 1071006A CN 92110485 CN92110485 CN 92110485 CN 92110485 A CN92110485 A CN 92110485A CN 1071006 A CN1071006 A CN 1071006A
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Abstract
The present invention relates to the data recording of electricity-water-gas table.For a change check meter from house to house and design.Form by line of electric force and the central station host, the user terminal device that are connected across on the line of electric force.Central station host comprises computing machine, data sending and receiving circuit, interface circuit.The user terminal device comprises data sending and receiving circuit and counting circuit, and main frame is sent out the address number order to terminal organ,, enumeration data is sent by transtation mission circuit, then counter O reset under sending controling circuit control through decoding.Counting circuit is provided with the type counting source, can be corresponding with three tables.By selecting that the position of the switch is set, can select counting source quantity and select range.Practical.
Description
The present invention relates to a kind of indication, the register system relevant, relate to the auto monitoring and measurement kilowatt meter reading-out system of a kind of ammeter, water meter, gas meter or rather with measurement.
User's water meter, ammeter, gas meter all are manual metering at present, and the workload that management and expense are adjusted is big, and inefficiency causes the long and statistical error because of checking meter and can not existing synchronously of charge cycle.Traditional meter reading method has influenced the modernization of toll administration work.
The behindhand type of for a change tabling look-up is from door to door explored some new meter reading methods both at home and abroad, as the application remoting telemetry; With the monitoring meter reading device of telephone wire, line of electric force or wireless mode connection computing machine and user terminal, realize making a copy of at a distance management etc.
Chinese patent 90223666.0(CN2081525U, electricity, water, coal gas auto monitoring and measurement meter copying device), it is conceived substantially is to link to each other with single-chip microcomputer through constant current source, amplifier by the power consumption of pulse accessory power outlet with digit pulse watt-hour meter or electronic electric energy meter; By the Fibre Optical Sensor that constitutes by probe, optical fiber, optical fiber optoelectronic coupler, link to each other with single-chip microcomputer and constitute the monitoring meter reading device through constant current source, amplifier.Again by 110V, 220V, 380V power lead, the data-signal of single-chip microcomputer collection is transferred to central computer by the power carrier mode.
Chinese patent 91202206.X(CN2087331U, three table telemetering devices) it is conceived substantially is to settle the electric signal generation devices in three table sides, by signal transmssion line the digital indicator of integrating mechanism in three tables is shifted out the table body, is installed in unified central station of checking meter.The electric signal generation device is by signal sending and receiving device and central station computer contact.Central station computer comprises single-chip microcomputer, station address transmitter, memory and is connected user's three table message recipients.
The emphasis of above-mentioned prior art all is that the mechanical shift that will reflect the counting mechanism of power consumption, water consumption, air consumption converts on the various kinds of sensors and sensing mode of electric signal, and user terminal device complex structure, counting mode is science not, back one patented technology also will be used independent transmission line, has the operability problem of scheme.
The objective of the invention is to design the automatic data acquisition system (ADAS) of a kind of practicable ammeter, water meter, gas meter, three table data recording are simple and reliable, system can gather each user's three table record values automatically by managerial personnel's requirement, and work such as file, add up, render an account, implement the optimal acquisition cycle, make the toll administration computerize.
Use this technology more in the past lookup table mode saved great amount of manpower and material resources, owing to can in time finish consumption statistics and charge statistics, instantaneity is strong, data are reliable, and reduced time lag of recovery of the capital, the consumption statistics can also offer relevant department in time, is beneficial to scientifically planning construction.
Three table automatic data acquisition systems of the present invention by the user terminal device that is placed in 1 to n user's water, electricity, gas table side, are installed in the main frame of central station and the power transmission line of station host of liaison centre and each user terminal device thereof and form.Central station host and 1 to n user terminal device all are connected across on the power transmission line of homophase, and employing alternating current active PLC transmission mode is carried out the data transmit-receive between central station host and user terminal device.
Described central station host comprises computing machine, data transmit circuit that form by modulator, power amplifier, wave filter, modulation transmission Host Command, the data receiver circuit of forming by bandpass filter, radio-frequency amplifier, detuner, receive user terminal data, the interface circuit of connection computing machine and described data sending and receiving circuit.
Described user terminal device comprises the power circuit of directly being powered by power transmission line, receiving center station host order from the power transmission line, the carrier wave receiving loop of forming by bandpass filter, decoding circuit, by the data transmit circuit that electric power transfer alignment central station host sends ammeter, water meter, gas meter record value, is made up of modulator, power amplifier, wave filter, the data recording circuit of water meter, ammeter, gas meter.
The data recording circuit of water meter of the present invention, ammeter, gas meter comprises and can show the corresponding type that is provided with counting source with three, the counting source that is positioned between a counting source output carry end and another counting source input counting end is provided with switch, the counting source counting input end has lead wire to connect by the counting mechanism that counting source is provided with switch and ammeter, water meter, gas meter, comprise that also the control counting source is by the data sending controling circuit of data line to described data transmit circuit transmission counting source record data, the decoded signal of data sending controling circuit reception carrier receiving loop.
The data acquisition of 1 to n user terminal, by being set, the terminal address numbering carries out unified management by central station host, central station host is sent the address number of certain user terminal, and send on the power transmission line with fixing carrier frequency by data transmit circuit, each user terminal all will receive this address number and compare with address number that self presets, have only when both number when identical, the carrier wave receiving loop output decoder signal of this user terminal device, trigger the work of user terminal device data sending controling circuit, control the data transmit circuit of giving the user terminal device through data line on the one hand, export the modulator work that gating signal allows data transmit circuit on the other hand the data of counting source collection.Data send and finish, and counting source automatically resets, and repeats the counting of next time cycle.Central station host is the record value of each user terminal of acquisition and recording three tables one by one in this way, adds up, files, printing etc.
Describe technology of the present invention in detail below in conjunction with the embodiment accompanying drawing.
Accompanying drawing 2 is a user terminal device block diagram.
Accompanying drawing 3 is user terminal device circuit theory diagrams.
Accompanying drawing 4 is user terminal device circuit theory diagrams.
Accompanying drawing 5 is a user terminal device program main flow chart.
Accompanying drawing 6 is the central station host block diagram.
Referring to accompanying drawing 1, central station host 100 and user terminal device 1,2 ... n is connected across on the power transmission line, constitutes acquisition system.
Referring to accompanying drawing 2, the user terminal device comprises power circuit 200, carrier wave receiving loop 300, the data recording circuit 500 of data transmit circuit 400 and three tables, the user terminal device is directly powered by power transmission line, and power circuit 200 comprises step-down rectifying circuit 201, filtering circuit 202, DC source 203, output Vcc directly uses for terminal organ.For preventing that terminal organ is provided with electric battery 204(EO because of outage causes the counting source loss of data), when outage, automatically switch, keep counting source to have.
Carrier wave receiving loop 300, comprise bandpass filter 301 and decoding circuit 302, be used to receive central station " the accurate biography " order on the power transmission line, it is the address number of user terminal device, demoder 302 sets in advance address number, send decoded signal when both number unanimity, notification data writing circuit 500 send the data of record to data transmit circuit 400.
Referring to accompanying drawing 3, be the power circuit 200 in the user terminal device block diagram shown in Figure 2, the circuit theory diagrams of carrier wave receiving loop 300 and data transmit circuit 400.
In the power circuit 200, C1 is a decompression capacitor, and D1, D2 are commutation diode, and C3, C4 are filter capacitor, output direct current VCC(18V), electric battery EO is the 5V power supply.When civil power was arranged, the relay R adhesive used the half-wave rectification power supply without filtering constantly to charge to battery EO, and during no civil power, R disconnects.D3 is the hold-off diode that prevents that battery current from pouring in down a chimney.
Decode-regulating integrated chip IC2 and peripheral circuit thereof constitute carrier wave receiving loop 300, R9 constitutes the oscillation circuit of IC2,4 bit switches of the 10-13 end of IC2 and 8 bit switches of 1-8 end thereof are used to be provided with the address number of terminal organ, in the present embodiment, 4 bit switches are used to be provided with totally 16 of the area codes of terminal organ, 8 bit switches are used to be provided with totally 256 of the periods of terminal organ, amount to 4096 families, C2 among the figure, R3 is the part of filtering circuit 301, be adjusted into consistent with the transmission carrier frequency of system, from the carrier frequency address signal on the power transmission line through D4, the shaping of D5 clamp circuit, by the serial code input end 14 of C10 coupling input IC2, the address number that is provided with IC2 compares, when decoding conforms to, its 17 end output high level V.T signal informs that the data recording circuit will carry out data and send.
Integrated chip IC1 and peripheral circuit composition data transtation mission circuit 400 thereof.15, the R11 of 16 ends, W constitute the oscillation circuit of IC1, and the address number of embodiment central station is set to O, so the 1-8 of IC1 holds whole ground connection.The 10-13 end of IC1 is 4 bit data input ends, 14 ends are the gating input end of IC1, when T.E is high level, IC1 is exported by 17 ends after with the data-modulated on central station address number and 4 position datawires, amplify L3, C5, frequency-selectings such as R13 again through triode Q1 constant power, be coupled on the power transmission line through capacitor C 11, and send the central station host reception to.
Referring to accompanying drawing 4, be the data recording circuit 500 in the user terminal device block diagram shown in Figure 2, adopted in the design setting of type counting source has been set, three counting source as shown in FIG., counter IC3, IC4 form first counting source, and IC5, IC6 respectively are the second, the three counting source, ka, kb, kc are respectively the counting access digit of three counting source, and be can be respectively matched with electricity, water, gas meter.For example, can adopt point-touch switch, the moving circle of the lowest order gear revolution of counting mechanism in the table, trigger switch sends a count pulse makes counter add 1, also can adopt modes such as Hall, photoelectricity, realize above-mentioned functions, and with a pulse tracking, prevent from that rotating shaft is parked in to cause counting to be forbidden on reading in a little.
The present invention is between the counting input end of the carry output terminal of first counting source and second counting source, be provided with switch M, N respectively between the counting input end of the carry output terminal of second counting source and the 3rd counting source, thereby selects the position of the switch of M, N to form different counting source configuration and different counting ranges.Press the model of counter shown in the figure, maximum range is 2
28, minimum range is 2
8, setting counting source at most is 3, and minimum setting counting source is 1, as general domestic consumer, can be set at three counting source, and its range is respectively 2
12, 2
8, 2
8, the user for big consumption is arranged can set 1～2 counting source, in addition the counting source access digit can be connected to three tables * 10 or * rotating shaft of 100 gears on count tracking.
Switch M, N position and counting logic thereof are set can be seen table:
Among the figure, monostalbe trigger IC7, counter IC8, code translator IC9, or the data sending controling circuit of door IC10 and ternary buffered gate IC11-IC14 formation counting source record data.When V.T signal shown in Figure 3 is high level, inform and to send data, through the IC7 shaping, IC8 counting, IC9 decoding, 8 output terminals of code translator are exported high level successively, or a door IC10 output T.E signal also is high level, and as the gating signal of data transmit modulator IC1, the user terminal device can send data; IC11-IC14 is opened in code translator output simultaneously successively, 4 one group order of record data of counter IC3-IC6 is offered the data transmit circuit of user terminal device by data line.The IC1 data all send and finish, and the high level of code translator IC9 the 8th output terminal is with the whole zero clearings of counter IC8, IC3-IC6, and the user terminal device is retention data not, and are proper as long as the cycle of checking meter is selected, and three table automatic meter number recorders of the present invention spillover can not occur.
Referring to accompanying drawing 5, for sake of convenience, 3 counting source are represented with A, B, C respectively that the data of three counting source records are represented with PA, PB, PC respectively.
Referring to accompanying drawing 6, central station host 100 frame structures comprise computing machine 101, output by statistics, the classification statement of account 102 after sorting out, chargeing, data transmit circuit of being made up of modulator 103, power amplifier 104, wave filter 105 106 and the data receiver circuit of being made up of bandpass filter 107, radio-frequency amplifier 108, detuner 109 110, the sending and receiving circuit is connected across on the power transmission line.Data sending and receiving circuit 110,106 is got in touch by data line and interface circuit 111, and computing machine 101 is through the work of interface circuit 111 command data sending and receiving circuit.
Central station data sending and receiving circuit has and the identical theory structure of user terminal device data sending and receiving circuit, its I/O interface circuit can be selected the one board microcomputer interface for use, carry out data interchange and control (two PIO of tool, a SIO mouth), more than be existing standard technique, so repeat no more.
Central station is a transmission instruction, collects record data, classifies and make the central authority of account, does not work at ordinary times, enters duty when requiring to settle accounts, and its software implementation also mainly is that data are sorted out, made account, statistics, and can be by interface and higher level's interconnect plane.
Technology of the present invention is not only applicable to the statistics of checking meter of three tables, also is applicable to the multi-point data acquisition of industry and is used for simple feedback control.
Claims (4)
1, a kind of ammeter, water meter, the gas meter automatic data acquisition system (ADAS), comprise and be placed in 1 to n electric supply meter, water meter, the user terminal device of gas meter side, central station host and power transmission line, described 1 to n user terminal device and central station host are connected across on the power transmission line of homophase, described central station host comprises: (1) computing machine, (2) by modulator, power amplifier, wave filter is formed, be used to modulate the data transmit circuit that sends Host Command, (3) by bandpass filter, radio-frequency amplifier, detuner is formed, the user receives the data receiver circuit of user terminal device data, and (4) connect computing machine and described data are received, the interface circuit of Power Generation Road; Described user terminal device comprises the power circuit that (1) is directly powered by power transmission line, (2) receiving center station host order from the power transmission line, by bandpass filter, the carrier wave receiving loop that decoding circuit is formed, (3) send ammeter by electric power transfer alignment central station host, water meter, the record data of gas meter, by modulator, power amplifier, the data transmit circuit that wave filter is formed, (4) ammeter, water meter, the data recording circuit of gas meter, it is characterized in that: described ammeter, water meter, the data recording circuit of gas meter comprise (1) can with ammeter, water meter, the type that the is provided with counting source of gas meter correspondence, (2) be positioned at-counting source between counting source output carry end and another counting source input counting end is provided with switch, the counting source counting input end has lead wire by counting source switch and ammeter to be set, water meter, the counting mechanism of gas meter connects, and (3) control counting source sends the data sending controling circuit of counting source data to the data transmit circuit of described user terminal device by data line.
2, ammeter according to claim 1, water meter, the gas meter automatic data acquisition system (ADAS), it is characterized in that described ammeter, water meter, the data sending controling circuit of gas meter data recording circuit, the counting that comprises reception carrier receiving loop decoded signal, decoding scheme, and be positioned at ternary buffer gate circuit between data line and counting source output terminal, decoding scheme output warp or door output gating signal connect the modulator of described user terminal device data transmit circuit, decoding scheme output also is connected to ternary buffered gate control end, the described counting source of last output termination of decoding scheme, the reset terminal of counter.
3, ammeter according to claim 1, water meter, gas meter automatic data acquisition system (ADAS) is characterized in that the power circuit of described user terminal device, comprise the battery EO to described counting source power supply.
4, according to claim 1 or 3 described ammeters, water meter, gas meter automatic data acquisition system (ADAS), it is characterized in that described counting mechanism with ammeter, water meter, gas meter connects, be a termination EO, another termination counting source is provided with the point-touch switch of switch or counting source counting input end, and point-touch switch is fixed on ammeter, water meter, gas meter lowest order gear place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92110485 CN1025801C (en) | 1992-09-24 | 1992-09-24 | Automatic data acquisition system for electric meter, water meter and gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92110485 CN1025801C (en) | 1992-09-24 | 1992-09-24 | Automatic data acquisition system for electric meter, water meter and gas meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1071006A true CN1071006A (en) | 1993-04-14 |
| CN1025801C CN1025801C (en) | 1994-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92110485 Expired - Fee Related CN1025801C (en) | 1992-09-24 | 1992-09-24 | Automatic data acquisition system for electric meter, water meter and gas meter |
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| Country | Link |
|---|---|
| CN (1) | CN1025801C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520243A (en) * | 2011-12-26 | 2012-06-27 | 贵州大学 | Household one meter three reading intelligent electric meter system |
| CN102637352A (en) * | 2012-02-23 | 2012-08-15 | 国网信息通信有限公司 | Remote meter reading method and system, primary electric energy meter and secondary electric energy meter |
-
1992
- 1992-09-24 CN CN 92110485 patent/CN1025801C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520243A (en) * | 2011-12-26 | 2012-06-27 | 贵州大学 | Household one meter three reading intelligent electric meter system |
| CN102637352A (en) * | 2012-02-23 | 2012-08-15 | 国网信息通信有限公司 | Remote meter reading method and system, primary electric energy meter and secondary electric energy meter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1025801C (en) | 1994-08-31 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| OR01 | Other related matters | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 19940831 |