CN2578798Y - Automatic water metering system - Google Patents
Automatic water metering system Download PDFInfo
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- CN2578798Y CN2578798Y CN 02200581 CN02200581U CN2578798Y CN 2578798 Y CN2578798 Y CN 2578798Y CN 02200581 CN02200581 CN 02200581 CN 02200581 U CN02200581 U CN 02200581U CN 2578798 Y CN2578798 Y CN 2578798Y
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Abstract
The utility model discloses an automatic water metering system, which comprises a user's terminal and a management terminal. Signals generated by the water meter of the user's terminal are sent to a collector 2 which sends the signals to a data processor 3 by a radio transmission module 12, and the count processing of the received signals is carried out by the data processor 3 to obtain the quantity of water. The management terminal is connected with the user's terminal by a telephone wire 4 which is inserted on an interface board 5. After the telephone of the user's terminal is received, a handshaking signal is emitted, and the telephone number and the data of the user are sent to the interface board 5 through the telephone wire by the data processor 3 of the user's terminal; the telephone number and the data are demodulated by an audio decoding circuit 19 on the interface board 5 and sent to the parallel interface 22 of a computer, and the data are read by a management computer through the parallel interface of the computer, converted into a text file and stored in a database. The utility model has the advantages that a nearly 400 MHz radio communication mode is adopted between the water meter and the data processor, the system is convenient in installation, and the utility model has a plurality of safety measures.
Description
Technical field
The utility model relates to a kind of water meter Automatic meter reading system, and what belong to data obtains or count recording apparatus.
Background technology
Existing water meter Automatic meter reading system such as China's patent " a kind of multi-user's coal gas, electricity, water meter the automatic meter number recorder " (patent No. 96202204.7, applying date 1996.01.08), it installs a user data collecting unit in the turned position of each customer meter, pass through detection means, convert turn signal to electric impulse signal, pulse signals is carried out stored count.Again each data acquisition unit always is connected to a data centralized processing unit, infrared copying instrument by the control data centralized processing unit to the accumulated result of each data acquisition unit read, zero clearing.Infrared copying instrument is exported the data that read by output interface to other devices.Its weak point is because the employing infrared copying instrument is subjected to distance limit, so can only closely use.
Summary of the invention
The purpose of this utility model is to have proposed the water meter Automatic meter reading system that a kind of structure is perfect, easy for installation, with low cost, utilize telecommunication technology and existing widely used telephone network.
The purpose of this utility model is achieved in that it comprises that user side links to each other with management end through telephone wire, user side is made up of water meter, collector, data processor, the electric impulse signal that permanent magnet that water meter has by itself and Hall element produce is given collector, collector is passed to data processor through the radio transmission module with signal, radio transmission frequencies is about 400MHz, data processor is counted processing with the signal of receiving, obtain the water yield, data processor is in parallel with user's telephone set, uses same telephone wire.Management end is made up of interface board and supervisory computer, management end links to each other with user side by telephone wire, be connected to telephone wire on the interface board, after receiving the phone of user side, send handshake, the data processor of user side is given interface board with user's telephone number and data by telephone wire after receiving handshake, audio decoding circuit on the interface board demodulates telephone number and data, give the supervisory computer parallel port, supervisory computer is from the parallel port reading of data, convert text then to, deposit database in.
Advantage of the present utility model:
1) between water meter and the data processor is 400MHz radio communication mode, and determines the address of each water meter and data processor to guarantee not disturb mutually between each water meter, the data processor by coder/decoder.
2) be connected by telephone wire between data processor and the supervisory computer, carry out both-way communication, can guarantee that news are reliable, data are accurate.
3) system is easy for installation, need not carry out the tap water pipe line construction, only needs new water meter is replaced old table, and data processor is attempted by user's other the getting final product of telephone set.
4) system is provided with multiple safety practice, can report to the police, and the power down time keeping is arranged.
Description of drawings
The indoor phone resident family water meter Automatic meter reading system block diagram that is equipped with of Fig. 1.
Fig. 2 water meter Automatic meter reading system collector block diagram.
Fig. 3 water meter Automatic meter reading system data processor block diagram.
Fig. 4 water meter Automatic meter reading system interface board block diagram.
Fig. 5 water meter Automatic meter reading system collector schematic diagram.
Fig. 6 water meter Automatic meter reading system data processor schematic diagram.
Fig. 7 water meter Automatic meter reading system interface board schematic diagram.
Embodiment
Fig. 1 is the indoor phone resident family Automatic meter reading system structured flowchart that is equipped with.It is connected to form the water meter Automatic meter reading system by user side through telephone wire and management end.
User side is made up of water meter 1, collector 2, data processor 3; The metering water meter that native system adopted is a kind ofly can intuitively show relevant continuous data, can produce the novel gauge table of metrical pulse signal again, it is actually a kind of water meter that has installed permanent magnet and Hall element composition magnetoelectric transducer additional, Hall element is fixedly mounted near the counting rotating disk, permanent magnet is installed on counting scale (for example 0.1 or 0.01 cubic metre) position, when rotating disk whenever turns around, permanent magnet through Hall element once, promptly produce a metrical pulse at signal end, corresponding 0.1 or 0.01 cubic metre, send to data processor 3 through wireless launcher.The electric impulse signal that permanent magnet that water meter has by itself and Hall element produce is given collector 2, and collector 2 is passed to data processor 3 through radio transmission module 12 with signal, and data processor 3 is counted processing with the signal of receiving, and obtains the water yield.Data processor 3 is in parallel with user's telephone set, uses same telephone wire.
Fig. 2 is a water meter Automatic meter reading system collector block diagram.It mainly is made up of water yield signal receiver 7, warning circuit 8, down circuit 9, monostable shaping circuit 10, scrambler 11 and wireless transmitter module 12, when water yield signal receiver 7 or warning circuit 8 or down circuit 9 are sent signal, produce a wide pulse in about 1 second through monostable circuit, sending into scrambler again after the shaping circuit shaping encodes, data after encoded are admitted to radio transmission module 12 and launch, radio transmission frequencies is 400MHz, and coverage is 50 meters.
Fig. 3 is a water meter Automatic meter reading system data processor block diagram.It is the key equipment of native system, partly is made up of wireless receiving module 17 and demoder 16, time calendar clock 15, single-chip microcomputer 13, call transceiver circuit 14 and power supply etc.Wireless receiving module 17 is operated on the same frequency 400MHz with transmitter module 12, and demoder 16 is identical with scrambler 11 frequency of operation, and geocoding is also consistent with scrambler.Time calendar clock 15 comprises year, month, day, hour, min, second and timing alarm signal for system provides century-old accurately clock/calendar.Call transceiver circuit 14 is made up of dial-up circuit and audio decoding circuit.4-16 code translator, analog switch are formed 3 * 4 dummy keyboard arrays, opening and closing by the Single-chip Controlling button, finish the telephone number that to transfer to and upload digital coding, and telephone number and data sent into dial-up circuit, when data need send, dial-up circuit was put through the phone of supervisory computer end, and supervisory computer sends handshake by interface board to single-chip microcomputer, after confirming that circuit is connected, the data of uploading are exported to supervisory computer in the audio frequency mode by single-chip microcomputer; The function of audio decoding circuit is with audio signal decoding, with the form output of binary-coded decimal.After data processor was put through supervisory computer, the supervisory computer end was replied one and is connected handshake, and this signal is a sound signal, and after ac amplifier circuit amplified, the audio decoder chip of making a gift to someone decoding was sent into single-chip microcomputer with the form of binary-coded decimal at last.
Management end is made up of interface board 5 and supervisory computer 6.Management end links to each other with user side by telephone wire 4.Be inserted with telephone wire on the interface board 5, after receiving the phone of user side, send handshake, the data processor 3 of user side is given interface board 5 with user's telephone number and data by telephone wire after receiving handshake, and the audio decoding circuit 19 on the interface board 5 demodulates telephone number and data, gives supervisory computer parallel port 22, supervisory computer is from the parallel port reading of data, convert text then to, deposit database in, handle by the management software in the supervisory computer at last.
Fig. 4 is a water meter Automatic meter reading system interface board block diagram.It mainly is made up of dial-up circuit 20, audio decoding circuit 19, phone ringing testing circuit 18, photoelectric isolating circuit 21 and computer parallel port 22.Whether phone ringing testing circuit 18 detects has phone to make, when phone is made, phone ringing testing circuit 18 output high level, deliver to supervisory computer parallel port 22 by photoelectric isolating circuit 21, after supervisory computer 6 is received high level, send a high level to the parallel port, make dial-up circuit 20 connect telephone wire then, send handshake to data processor 2, after data processor 2 is received handshake, give interface board 5 with user's telephone number and data by telephone wire, the audio decoding circuit 19 on the interface board 5 demodulates telephone number and data, gives supervisory computer parallel port 22 by photoelectric isolating circuit 21 again.
When whenever flowing through 0.1 ton of water in the water meter of user side, Hall element just sends a pulse signal, produce a wide pulse in about 1 second through monostable circuit, sending into scrambler again after the schmitt inverter shaping encodes, data after encoded are admitted to wireless transmitter module 12 launches, and radio transmission frequencies is 400MHz.In addition, down circuit 9 and warning circuit 8 in the collector 2 can produce power-off signal and alerting signal, also be to produce a wide pulse in about 1 second through monostable circuit, send into scrambler again after the schmitt inverter shaping and encode, the data after encoded are admitted to wireless transmitter module 12 and launch.Receiver module 17 in the data processor 3 is received the laggard row decoding of signal, give single-chip microcomputer 13 then, single-chip microcomputer 13 receives data of water meter and various alerting signal, accumulative total user water consumption, water consumption is deposited in the RAM chip 15 of band clock/calendar, when timing then, single-chip microcomputer 13 makes call transceiver circuit 14 connect telephone wires, control opening and closing of virtual keys by single-chip microcomputer 13, finish the telephone number that to transfer to.The interface board 5 of management end is when having received phone, phone ringing testing circuit 18 on the interface board 5 sends a high level signal to supervisory computer 6, after supervisory computer 6 is received high level signal, make the dial-up circuit 20 on the interface board connect telephone wire, send handshake to data processor 3 ends, after confirming that circuit is connected, the data of uploading are exported to the audio decoding circuit 19 of interface board 5 by single-chip microcomputer 13 in the audio frequency mode, with audio signal decoding, form output with binary-coded decimal, give supervisory computer by photoelectric isolating circuit 21 and supervisory computer parallel port 22, form text, deposit database in for inquiry, and entire database is managed, copying data are handled.
User side also has by the power-off signal of down circuit 9 generations and the alerting signal of warning circuit 8 generations except the water yield signal that water meter produces, and its implementation process and water yield signal are in full accord.
Claims (5)
1. water meter Automatic meter reading system comprises that user side links to each other with management end through telephone wire, is characterized in that:
(A) user side comprises water meter (1), collector (2), data processor (3), the electric impulse signal that permanent magnet that water meter (1) has by itself and Hall element produce is given collector (2), collector (2) is passed to data processor (3) through radio transmission module (12) with signal, and data processor (3) uses the telephone set of same telephone wire in parallel with the user;
(B) management end comprises interface board (5) and the supervisory computer (6) that is connected to telephone wire (4), and management end links to each other with user side by telephone wire (4), and interface board (5) links to each other with supervisory computer (6) by computer parallel port (22).
2. water meter Automatic meter reading system according to claim 1, it is characterized in that: above-mentioned collector (2) comprises water yield signal receiver (7), warning circuit (8), down circuit (9), monostable shaping circuit (10), scrambler (11) and wireless transmitter module (12), when water yield signal receiver (7) or warning circuit (8) or down circuit (9) when sending signal, send into scrambler (11) coding after monostable shaping circuit (10) shaping, the data after encoded are sent into radio transmission module (12).
3. water meter Automatic meter reading system according to claim 1, it is characterized in that: above-mentioned data processor (3) comprises single-chip microcomputer (13), call transceiver circuit (14), time calendar clock (15), demoder (16) and wireless receiving module (17) and power unit, wireless receiving module (17) is operated on the same frequency with wireless transmitter module (12), demoder (16) is identical with scrambler (11) frequency of operation, geocoding is consistent with scrambler (11), call transceiver circuit (14) comprises dial-up circuit and audio decoding circuit, by single-chip microcomputer (13) telephone number and data is sent into dial-up circuit.
4. water meter Automatic meter reading system according to claim 1, it is characterized in that: above-mentioned interface board (5) comprises phone ringing testing circuit (18), audio decoding circuit (19), dial-up circuit (20), photoelectric isolating circuit (21) and computer parallel port (22), and phone ringing testing circuit (18) links to each other with computer parallel port (22) by photoelectric isolating circuit (21).
5. water meter Automatic meter reading system according to claim 1 is characterized in that: above-mentioned supervisory computer (6) connects data processor (2), the number of its data processor (2) by telephone wire (4).Can reach 411, after supervisory computer (6) reads user's telephone number and data from computer parallel port (22), form the text that deposits database in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02200581 CN2578798Y (en) | 2002-01-15 | 2002-01-15 | Automatic water metering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02200581 CN2578798Y (en) | 2002-01-15 | 2002-01-15 | Automatic water metering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2578798Y true CN2578798Y (en) | 2003-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02200581 Expired - Fee Related CN2578798Y (en) | 2002-01-15 | 2002-01-15 | Automatic water metering system |
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| Country | Link |
|---|---|
| CN (1) | CN2578798Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147965A (en) * | 2011-01-05 | 2011-08-10 | 苏州市建筑设计研究院有限责任公司 | Construction feed water metering system adopting radio communication technology |
| CN101604117B (en) * | 2008-06-13 | 2011-10-19 | 西门子公司 | Wireless reading projecting apparatus of electrical monitoring equipment and wireless reading projecting method |
| CN107689149A (en) * | 2016-11-17 | 2018-02-13 | 深圳市华奥通通信技术有限公司 | A kind of meter register method and kilowatt meter reading-out system |
-
2002
- 2002-01-15 CN CN 02200581 patent/CN2578798Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101604117B (en) * | 2008-06-13 | 2011-10-19 | 西门子公司 | Wireless reading projecting apparatus of electrical monitoring equipment and wireless reading projecting method |
| CN102147965A (en) * | 2011-01-05 | 2011-08-10 | 苏州市建筑设计研究院有限责任公司 | Construction feed water metering system adopting radio communication technology |
| CN107689149A (en) * | 2016-11-17 | 2018-02-13 | 深圳市华奥通通信技术有限公司 | A kind of meter register method and kilowatt meter reading-out system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |