CN103794004B - A kind of water meter with M_bus bus data transporting function for ladder valuation - Google Patents

A kind of water meter with M_bus bus data transporting function for ladder valuation Download PDF

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Publication number
CN103794004B
CN103794004B CN201410074184.6A CN201410074184A CN103794004B CN 103794004 B CN103794004 B CN 103794004B CN 201410074184 A CN201410074184 A CN 201410074184A CN 103794004 B CN103794004 B CN 103794004B
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China
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water meter
triode
radio
chip microcomputer
resistance
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CN201410074184.6A
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Chinese (zh)
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CN103794004A (en
Inventor
吴兴中
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徐州君兴电子科技有限公司
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Abstract

A kind of water meter with M_bus bus data transporting function for ladder valuation, it comprises water meter matrix, water meter single-chip microcomputer and the clock module be connected with water meter single-chip microcomputer, flow sensor element circuit, radio-frequency card communicating circuit, UART serial communication circuit and actuator, the UART serial ports of described water meter single-chip microcomputer is connected with higher level M_bus concentrator by UART serial communication circuit, radio-frequency card communicating circuit is responded to the radio-frequency (RF) IC card of user and is connected, radio-frequency card communicating circuit is connected with the respective signal end of water meter single-chip microcomputer, the control signal output terminal of water meter single-chip microcomputer is connected by the control signal input end of actuator with water meter matrix inner valve.The M_Bus of utilization bus of the present invention connects all kinds of instrument, greatly can simplify residential quarters, the wiring of the energy consumption intellectualized management systems such as office space and connection, and has the advantages that structure is simple, cheap, reliability is high.

Description

A kind of water meter with M_bus bus data transporting function for ladder valuation
Technical field
The present invention relates to instrument energy consumption monitoring field, especially MBus is used for the energy consumption class intelligent management system of all kinds of instrument or relevant apparatus, specifically a kind of water meter with M_bus bus data transporting function for ladder valuation.
Background technology
Meter bus (meterbus, MBus) is a kind of New Bus structure, and simultaneously MBus principal feature is powered and transmitting serial data by two nonpolarity transmission lines, and each substation (confirming with different ID) is connected in parallel in MBus bus.When MBus being used in the energy consumption class intelligent management system of all kinds of instrument or relevant apparatus, can gathering related data or signal and transmit.
At present, residential quarters, the instrument that the area such as office space is installed adopts usually does not carry out managing power consumption, the mode of manual metering is adopted to carry out data acquisition, manual metering not only efficiency is low, and be unfavorable for scientific management, all bring very large difficulty to the modeling of urban pipe network, analysis, planning etc.In addition, manual metering is not accomplished to check meter in time, is not easy to realize monthly implementing ladder charging.
Summary of the invention
The object of the invention is for the problems referred to above, propose a kind of water meter with M_bus bus data transporting function for ladder valuation.By family, water meter is installed, by the use amount of electronic module recording user, rear class equipment can adopt the patent No. be 201320117638.4 the far distance instrument control system based on M_bus bus, Mei Dong installs in building one or each repeater of several repeater can be with year 128 stepladders water meters, repeater is finally aggregated into a concentrator and then by wireless GPRS data source, data is sent to Internet network, termination charge system water meter image data can carry out ladder charging, realizes Long-distance Control by Internet network.
Technical scheme of the present invention is:
A kind of water meter with M_bus bus data transporting function for ladder valuation, it comprises water meter matrix, water meter single-chip microcomputer and the clock module be connected with water meter single-chip microcomputer, flow sensor element circuit, radio-frequency card communicating circuit, UART serial communication circuit and actuator, the UART serial ports of described water meter single-chip microcomputer is connected with higher level M_bus concentrator by UART serial communication circuit, radio-frequency card communicating circuit is responded to the radio-frequency (RF) IC card of user and is connected, radio-frequency card communicating circuit is connected with the respective signal end of water meter single-chip microcomputer, the control signal output terminal of water meter single-chip microcomputer is connected by the control signal input end of actuator with water meter matrix inner valve.
Radio-frequency card communicating circuit of the present invention comprises 125KHz RFCO2 laser U201, resistance R201, resistance R207, triode Q200, detector diode D200, one end of described resistance R201 is connected with the signal of communication output terminal of water meter single-chip microcomputer as the signal input part of radio-frequency card communicating circuit, the other end of resistance R201 is connected with the base stage of triode Q200, parallel resistance R207 between the base stage of triode Q200 and emitter, the grounded emitter of triode Q200, the output signal of water meter single-chip microcomputer accesses the CFE pin of RFCO2 laser U201 after triode is anti-phase, this RFCO2 laser U201 responds to radio-frequency (RF) IC card and is connected, the signal sensed from the radio-frequency coil of radio-frequency (RF) IC card after detector diode D200 with by resistance R210, R211, electric capacity C207, C209 forms RC filtering circuit and is connected, the INPUT pin of filtered signal access RFCO2 laser U201 carries out shaping amplification, the signal of communication output terminal of RFCO2 laser U201 is connected with the corresponding signal of communication input end of water meter single-chip microcomputer.
Radio-frequency card communicating circuit of the present invention also comprises by the COL1 of RFCO2 laser U201, the oscillatory circuit of COL2 radio frequency output pin, resistance R213, telefault and electric capacity C208 composition and the COL1 by diode D201, D202, D204, D205, resistance R209, R215, power supply and RFCO2 laser U201, the voltage clamping circuit of COL2 radio frequency output pin composition.
Actuator of the present invention comprises resistance R119, R120, R124, triode Q101, Q103, Q115, Q106, Q104, Q112, motor M and electric capacity C118, one end of resistance R119 with R120 is connected with the valve control signal output terminal of water meter single-chip microcomputer respectively as the control signal input end of actuator, the other end connecting triode Q101 respectively of resistance R119 and R120, the base stage of Q106, the emitter of triode Q101 connects the base stage of triode Q103, the base stage of the collector connecting transistor Q115 of triode Q101, the emitter of triode Q106 connects the base stage of triode Q104, the base stage of the collector connecting transistor Q112 of triode Q106, the emitter of triode Q115 and Q112 connects motor power, the collector of triode Q115 and Q112 connects the collector of triode Q104 and Q103 respectively, the tie point of triode Q115 and Q104 and the tie point of triode Q112 and Q103 connect the two ends of motor respectively, the opening and closing of the output control valve door of motor, ground connection after the equal resistance in series R124 of emitter of triode Q103 and Q104, series capacitance C118 between the collector of triode Q115 and Q112.
Flow sensor element circuit of the present invention comprises resistance RC1, RC2, electric capacity CC1, CC2 and sampling tongue tube, sampling tongue tube two flow metering signal output parts be connected in series pull-up resistor RC1 with RC2 respectively after be connected with the corresponding flow signal acquisition end of water meter single-chip microcomputer.
Beneficial effect of the present invention:
In the present invention, water meter adopts UART serial ports to be connected with higher level M_bus concentrator by UART serial communication circuit can realize centralized automatic meter-reading function and centralized control functions.
In the present invention, the radio-frequency communication circuit of water meter adopts 125KHz RFCO2 laser U2270B as Base Transmitter, receives special chip; Adopt opening or closing of actuator control valves door, when interconnection network, termination charge system can realize opening or closing of Long-distance Control valve by Internet network.
In the present invention, real-time clock module is had in water meter single-chip microcomputer inside, water meter single-chip microcomputer can carry out the record of consumption and time to water consumption according to internal clocking, the remote terminal Fare Collection System that rear class connects can monthly use different water consumption to realize the ladder unit price charging of 3 or more than 3 according to user.
Accompanying drawing explanation
Fig. 1 is ladder water meter theory diagram in the present invention.
Fig. 2 is ladder water meter single chip circuit figure in the present invention.
Fig. 3 is radio-frequency card communicating circuit figure in ladder water meter in the present invention.
Fig. 4 is the executor circuit figure in the present invention in ladder water meter.
Fig. 5 is the flow sensor element circuit diagram in the present invention in terraced water meter.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
A kind of water meter with M_bus bus data transporting function for ladder valuation, it comprises water meter matrix, water meter single-chip microcomputer and the clock module be connected with water meter single-chip microcomputer, flow sensor element circuit, radio-frequency card communicating circuit, UART serial communication circuit and actuator, the UART serial ports of described water meter single-chip microcomputer is connected with higher level M_bus concentrator by UART serial communication circuit, radio-frequency card communicating circuit is responded to the radio-frequency (RF) IC card of user and is connected, radio-frequency card communicating circuit is connected with the respective signal end of water meter single-chip microcomputer, the control signal output terminal of water meter single-chip microcomputer is connected by the control signal input end of actuator with water meter matrix inner valve.
Radio-frequency card communicating circuit of the present invention comprises 125KHz RFCO2 laser U201(model and can be U2270B), resistance R201, resistance R207, triode Q200, detector diode D200, one end of described resistance R201 is connected with the signal of communication output terminal of water meter single-chip microcomputer as the signal input part of radio-frequency card communicating circuit, the other end of resistance R201 is connected with the base stage of triode Q200, parallel resistance R207 between the base stage of triode Q200 and emitter, the grounded emitter of triode Q200, the output signal of water meter single-chip microcomputer accesses the CFE pin of RFCO2 laser U201 after triode is anti-phase, this RFCO2 laser U201 responds to radio-frequency (RF) IC card and is connected, the signal sensed from the radio-frequency coil of radio-frequency (RF) IC card after detector diode D200 with by resistance R210, R211, electric capacity C207, C209 forms RC filtering circuit and is connected, the INPUT pin of filtered signal access RFCO2 laser U201 carries out shaping amplification, the signal of communication output terminal of RFCO2 laser U201 is connected with the corresponding signal of communication input end of water meter single-chip microcomputer.
As shown in Figure 2, water meter single-chip microcomputer is coupled to through resistance R201 the CFE pin that triode Q200 sends into U2270B after anti-phase from P1.2 pin output signal, and this signal sends radio-frequency (RF) control signal by U2270B, writes information in radio-frequency (RF) IC card.The signal sensed from radio-frequency coil carries out sending into after detection by resistance R210, R211 electric capacity C207, C209 composition RC filtering circuit through detector diode D200, and the INPUT pin that filtered signal sends into U2270B chip carries out shaping amplification.The P1.1 pin of the water meter single-chip microcomputer that amplified signal is inputted by the OUTPUT pin of U2270B.The COL1 of U2270B, COL2 are radio frequency output pin, and with resistance R213, telefault, electric capacity C208 forms oscillatory circuit.Diode D201, D202, D204, D205 and resistance R209, R215 are connected with power supply and COL1, COL2 pin, form a voltage clamping network and prevent oscillator coil both end voltage too high and puncture U2270B chip.
The UART serial ports of water meter single-chip microcomputer is connected with higher level M_bus concentrator by UART serial communication circuit. rear class equipment adopt the patent No. be 201320117638.4 the far distance instrument control system based on M_bus bus, Mei Dong installs in building one or each repeater of several repeater can be with year 128 stepladders water meters, repeater is finally aggregated into a concentrator and then by wireless GPRS data source, data is sent to Internet network, termination charge system can realize Long-distance Control by Internet network, the use amount of every ladder water meter can be made a copy of, the valve switch state of every ladder water meter can be controlled, the charging of ladder valency can be realized by different ladders limitation.Ladder valuation accurately can be realized by clock system in remote calibration user ladder water meter.
Actuator of the present invention comprises resistance R119, R120, R124, triode Q101, Q103, Q115, Q106, Q104, Q112, motor M and electric capacity C118, one end of resistance R119 with R120 is connected with the valve control signal output terminal of water meter single-chip microcomputer respectively as the control signal input end of actuator, the other end connecting triode Q101 respectively of resistance R119 and R120, the base stage of Q106, the emitter of triode Q101 connects the base stage of triode Q103, the base stage of the collector connecting transistor Q115 of triode Q101, the emitter of triode Q106 connects the base stage of triode Q104, the base stage of the collector connecting transistor Q112 of triode Q106, the emitter of triode Q115 and Q112 connects motor power, the collector of triode Q115 and Q112 connects the collector of triode Q104 and Q103 respectively, the tie point of triode Q115 and Q104 and the tie point of triode Q112 and Q103 connect the two ends of motor respectively, the opening and closing of the output control valve door of motor, ground connection after the equal resistance in series R124 of emitter of triode Q103 and Q104, series capacitance C118 between the collector of triode Q115 and Q112.
As shown in Figure 3, actuator is by water meter single-chip microcomputer P6.6, and P6.7 sends switch valve control signal.Perform valve opening action when P6.6 be high level P6.7 is low level, perform when P6.6 be low level P6.7 is high level and close valve events.The triode Q101 when P6.6 is high level, Q103, Q115 conducting motor M2 end exports high level M1 and holds output low level, and motor performs valve opening action; The triode Q106 when P6.7 is low level, Q104, Q112 end.The triode Q101 when P6.6 is low level, Q103, Q115 end.The triode Q106 when P6.7 is high level, Q104, Q112 conducting, motor M2 holds output low level M1 end to export high level, and motor performs and closes valve events.Electric capacity C118 is connected with motor positive-negative power end and prevents from motor internal inductance from responding to high-voltage breakdown driving triode.Resistance R124 connects in a power, plays metering function.
Flow sensor element circuit of the present invention comprises resistance RC1, RC2, electric capacity CC1, CC2 and sampling tongue tube, sampling tongue tube two flow metering signal output parts be connected in series pull-up resistor RC1 with RC2 respectively after be connected with the corresponding flow signal acquisition end of water meter single-chip microcomputer.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.

Claims (4)

1. the water meter with M_bus bus data transporting function for ladder valuation, it is characterized in that it comprises water meter matrix, water meter single-chip microcomputer and the clock module be connected with water meter single-chip microcomputer, flow sensor element circuit, radio-frequency card communicating circuit, UART serial communication circuit and actuator, the UART serial ports of described water meter single-chip microcomputer is connected with higher level M_bus concentrator by UART serial communication circuit, radio-frequency card communicating circuit is responded to the radio-frequency (RF) IC card of user and is connected, radio-frequency card communicating circuit is connected with the respective signal end of water meter single-chip microcomputer, the control signal output terminal of water meter single-chip microcomputer is connected by the control signal input end of actuator with water meter matrix inner valve, described flow sensor element circuit comprises resistance RC1, RC2, electric capacity CC1, CC2 and sampling tongue tube, sampling tongue tube two flow metering signal output parts be connected in series pull-up resistor RC1 with RC2 respectively after be connected with the corresponding flow signal acquisition end of water meter single-chip microcomputer.
2. a kind of water meter with M_bus bus data transporting function for ladder valuation according to claim 1, is characterized in that described radio-frequency card communicating circuit comprises 125KHz RFCO2 laser U201, resistance R201, resistance R207, triode Q200, detector diode D200, one end of described resistance R201 is connected with the signal of communication output terminal of water meter single-chip microcomputer as the signal input part of radio-frequency card communicating circuit, the other end of resistance R201 is connected with the base stage of triode Q200, parallel resistance R207 between the base stage of triode Q200 and emitter, the grounded emitter of triode Q200, the output signal of water meter single-chip microcomputer accesses the CFE pin of RFCO2 laser U201 after triode is anti-phase, this RFCO2 laser U201 responds to radio-frequency (RF) IC card and is connected, the signal sensed from the radio-frequency coil of radio-frequency (RF) IC card after detector diode D200 with by resistance R210, R211, electric capacity C207, C209 forms RC filtering circuit and is connected, the INPUT pin of filtered signal access RFCO2 laser U201 carries out shaping amplification, the signal of communication output terminal of RFCO2 laser U201 is connected with the corresponding signal of communication input end of water meter single-chip microcomputer.
3. a kind of water meter with M_bus bus data transporting function for ladder valuation according to claim 2, it is characterized in that described radio-frequency card communicating circuit also comprises by the COL1 of RFCO2 laser U201, the oscillatory circuit of COL2 radio frequency output pin, resistance R213, telefault and electric capacity C208 composition and the COL1 by diode D201, D202, D204, D205, resistance R209, R215, power supply and RFCO2 laser U201, the voltage clamping circuit of COL2 radio frequency output pin composition.
4. a kind of water meter with M_bus bus data transporting function for ladder valuation according to claim 1, it is characterized in that described actuator comprises resistance R119, R120, R124, triode Q101, Q103, Q115, Q106, Q104, Q112, motor M and electric capacity C118, one end of resistance R119 with R120 is connected with the valve control signal output terminal of water meter single-chip microcomputer respectively as the control signal input end of actuator, the other end connecting triode Q101 respectively of resistance R119 and R120, the base stage of Q106, the emitter of triode Q101 connects the base stage of triode Q103, the base stage of the collector connecting transistor Q115 of triode Q101, the emitter of triode Q106 connects the base stage of triode Q104, the base stage of the collector connecting transistor Q112 of triode Q106, the emitter of triode Q115 and Q112 connects motor power, the collector of triode Q115 and Q112 connects the collector of triode Q104 and Q103 respectively, the tie point of triode Q115 and Q104 and the tie point of triode Q112 and Q103 connect the two ends of motor respectively, the opening and closing of the output control valve door of motor, ground connection after the equal resistance in series R124 of emitter of triode Q103 and Q104, series capacitance C118 between the collector of triode Q115 and Q112.
CN201410074184.6A 2014-03-03 2014-03-03 A kind of water meter with M_bus bus data transporting function for ladder valuation CN103794004B (en)

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CN105389895B (en) * 2015-10-30 2017-11-24 成都秦川物联网科技股份有限公司 The implementation method of remote-control intelligent water meter ladder valuation

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