CN204480459U - A kind of remote automatic meter reading system - Google Patents
A kind of remote automatic meter reading system Download PDFInfo
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- CN204480459U CN204480459U CN201520019672.7U CN201520019672U CN204480459U CN 204480459 U CN204480459 U CN 204480459U CN 201520019672 U CN201520019672 U CN 201520019672U CN 204480459 U CN204480459 U CN 204480459U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 230000035515 penetration Effects 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 abstract description 15
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
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Abstract
The utility model provides a kind of remote automatic meter reading system, comprise one group of energy meter, it is characterized in that: each described energy meter is connected to acquisition terminal by Mbus bus, described acquisition terminal is connected to DTU data penetration transmission module, described DTU data penetration transmission module communicates with master station, described acquisition terminal connects described DTU data penetration transmission module by RS232 bus, and described DTU data penetration transmission module is communicated with described master station by GPRS/3G wireless network or USB interface.The utility model adopts M-bus communication modes as the data transfer platform of system, and it is large that M-bus communication modes has communication apparatus capacity, and communication speed is high, simplicity of design, wiring is convenient, the feature that antijamming capability is strong, realizes that data transmission high efficient and reliable, communication fee are low, the object of low-power consumption.
Description
Technical field
The utility model relates to meter copying device field, specifically, relates to a kind of remote automatic meter reading system.
Background technology
Perfect along with urban construction, how the huge and power consumption information of dispersion and other data messages timely and effective and collect accurately, Classified statistics, become the problem that power supply enterprise is in the urgent need to address.If only checked meter from house to house with the workman that checks meter, not only make work efficiency low, and the leakage to be brought by manual metering is copied, copies, estimated and copy by mistake, even meter reading personnel steals the phenomenons such as electricity in league with electricity consumer, all can bring immeasurable loss to power supply enterprise.And due to the raising of Living consumption, family's property be worth more and more higher, more and more pay attention to the reasons such as the right of privacy, user does not wish to be disturbed; Check meter so register one's residence the time can only had a rest morning, late resident, meter reading personnel's available time of checking meter is shorter, and rate of therefore checking meter, rate of charge cannot reach requirement accurately.
Existing meter copying device is due to the multi-point and wide-ranging feature of system on the market, simple employing wire transmission mode, while, cost large in circuit maintenance engineering amount is high communication contention aware also very frequent, be disturbed that impact is large, stability is not high, wireless communication technology can well address these problems, but because the complicacy of Automatic meter reading system and singularity, the a certain wireless communication technology of simple dependence, still cannot meet on-the-spot actual requirement.
summary of the invention:
The technical problems to be solved in the utility model is to provide a kind of remote automatic meter reading system, and line upkeep is simple, and data transmission stability is good.
The utility model adopts following technological means to realize goal of the invention:
A kind of remote automatic meter reading system, comprise one group of energy meter, it is characterized in that: each described energy meter is connected to acquisition terminal by Mbus bus, described acquisition terminal is connected to DTU data penetration transmission module, described DTU data penetration transmission module communicates with master station, described acquisition terminal connects described DTU data penetration transmission module by RS232 bus, and described DTU data penetration transmission module is communicated with described master station by GPRS/3G wireless network or USB interface.
As the further restriction to the technical program, described acquisition terminal comprises MCU microprocessor, and described MCU microprocessor is connection data acquisition module, RS232 module and memory module respectively.
As the further restriction to the technical program, described MCU microprocessor adopts STM32F103RBT6 single-chip microcomputer.
As the further restriction to the technical program, described data acquisition module comprises relay module, signal sending circuit and signal receiving circuit, described relay module comprises a group relay, each described relay connects driver U8, and described driver U8 connects the pin 20-26 of described MCU microprocessor.
As the further restriction to the technical program, described signal sending circuit comprises signal sending end MBUSTX, the diode D15 of described signal sending end MBUSTX by serial connection and the base stage of resistance R19 connecting triode Q3, the collector of described triode Q3 passes through the base stage of resistance R16 connecting triode Q2, the anode of the collector concatenation operation amplifier IC1 of described triode Q2, the negative terminal of described operational amplifier IC1 is by resistance R20 ground connection, the output terminal of described operational amplifier IC1 passes through resistance R10 and the R11 connection signal output terminal+BUS of serial connection, the collector of described resistance R10 connecting triode Q1, the emitter of described triode Q2 connects 18V power supply by resistance R1, the base stage of described triode Q1 connects electric capacity C2 and resistance R2 respectively, described resistance R10 is by the anode of diode D5 and resistance R21 concatenation operation amplifier U4, the negative terminal of described operational amplifier U4 is by resistance R25 and resistance R29 ground connection, described signal receiving circuit comprises receiving end+B2, described receiving end+B2 is by the anode of resistance R6 concatenation operation amplifier UIA, described receiving end+B2 is also connected the negative terminal of described operational amplifier UIA with resistance R7 by diode D3, the output terminal of described operational amplifier UIA is by resistance R60 connection signal receiving end MBUSRX, described signal sending end MBUSTX connects the pin 16 of described MCU microprocessor, and described signal receiving end MBUSRX connects the pin 17 of described MCU microprocessor.Signal sending end MBUSTX input signal is converted to MBUS signal and sends to MBUS instrument through+BUS, and the signal that receiving end+B2 receives is converted to TTL Signal transmissions to MCU microprocessor.
As the further restriction to the technical program, described in described RS232 module, the pin 11 of RS232 module connects the pin 42 of described MCU microprocessor, and the pin 12 of described RS232 module connects the pin 43 of described MCU microprocessor.
As the further restriction to the technical program, described memory module adopts Flash memory module.
Compared with prior art, advantage of the present utility model and good effect are: the utility model adopts M-bus communication modes as the data transfer platform of system, it is large that M-bus communication modes has communication apparatus capacity, communication speed is high, simplicity of design, wiring is convenient, the feature that antijamming capability is strong, realizes that data transmission high efficient and reliable, communication fee are low, the object of low-power consumption.The utility model Systematic selection GPRS wireless communication, without the need to other wiring, scope of checking meter is wide, and system transmission capacity is large, and message transmission rate is high, construction cost and communication cost low, realize automatic meter-reading completely, work efficiency is greatly improved.
Accompanying drawing explanation
Fig. 1 is functional-block diagram of the present utility model.
Fig. 2 is the functional-block diagram of acquisition terminal of the present utility model.
Fig. 3 is the circuit diagram of MCU microprocessor of the present utility model.
Fig. 4-Fig. 9 is the circuit diagram of relay module of the present utility model.
Figure 10 is the circuit diagram of the driver of relay module of the present utility model.
The circuit diagram of Figure 11 signal sending circuit of the present utility model and signal receiving circuit.
Figure 12 is the circuit diagram of RS232 module of the present utility model.
Figure 13 is the circuit diagram of the utility model module.
embodiment:
Below in conjunction with embodiment, further illustrate the utility model.
See Fig. 1-Figure 12, the utility model comprises one group of energy meter, each described energy meter is connected to acquisition terminal by Mbus bus, described acquisition terminal is connected to DTU data penetration transmission module, described DTU data penetration transmission module communicates with master station, described acquisition terminal connects described DTU data penetration transmission module by RS232 bus, and described DTU data penetration transmission module is communicated with described master station by GPRS/3G wireless network or USB interface.
Described acquisition terminal comprises MCU microprocessor, and described MCU microprocessor is connection data acquisition module, RS232 module and memory module respectively.The TTL signal of 900DTX0,900DRX0 end is converted to RS232 signal and holds output by MAX232_RX, MAX232_TX after U6.
Described MCU microprocessor adopts STM32F103RBT6 single-chip microcomputer.
Described data acquisition module comprises relay module, signal sending circuit and signal receiving circuit, described relay module comprises a group relay, each described relay connects driver U8, described driver U8 connects the pin 20-26 of described MCU microprocessor, for controlling the break-make of each acquisition channel.
Described signal sending circuit comprises signal sending end MBUSTX, the diode D15 of described signal sending end MBUSTX by serial connection and the base stage of resistance R19 connecting triode Q3, the collector of described triode Q3 passes through the base stage of resistance R16 connecting triode Q2, the anode of the collector concatenation operation amplifier IC1 of described triode Q2, the negative terminal of described operational amplifier IC1 is by resistance R20 ground connection, the output terminal of described operational amplifier IC1 passes through resistance R10 and the R11 connection signal output terminal+BUS of serial connection, the collector of described resistance R10 connecting triode Q1, the emitter of described triode Q2 connects 18V power supply by resistance R1, the base stage of described triode Q1 connects electric capacity C2 and resistance R2 respectively, described resistance R10 is by the anode of diode D5 and resistance R21 concatenation operation amplifier U4, the negative terminal of described operational amplifier U4 is by resistance R25 and resistance R29 ground connection, described signal receiving circuit comprises receiving end+B2, described receiving end+B2 is by the anode of resistance R6 concatenation operation amplifier UIA, described receiving end+B2 is also connected the negative terminal of described operational amplifier UIA with resistance R7 by diode D3, the output terminal of described operational amplifier UIA is by resistance R60 connection signal receiving end MBUSRX, described signal sending end MBUSTX connects the pin 16 of described MCU microprocessor, and described signal receiving end MBUSRX connects the pin 17 of described MCU microprocessor.Signal sending end MBUSTX input signal is converted to MBUS signal and sends to MBUS instrument through+BUS, and the signal that receiving end+B2 receives is converted to TTL Signal transmissions to MCU microprocessor.
Described in described RS232 module, the pin 11 of RS232 module connects the pin 42 of described MCU microprocessor, and the pin 12 of described RS232 module connects the pin 43 of described MCU microprocessor.
Described memory module adopts Flash memory module.
Data acquisition module in the utility model acquisition terminal sends meter reading instruction according to M-bus agreement and gathers thermal energy data to hotlist; hotlist receives return data after corresponding instruction; acquisition module to receive after data through RS232 bus data to DTU data penetration transmission module, the master station that DTU data penetration transmission module uploads onto the server; Master station, to the data analysis collected, if there is abnormal alarm information, then sends alerting signal, in this way meter reading data, then data is stored into cloud database, thus completes the collection and monitor task to energy meter.
Claims (7)
1. a remote automatic meter reading system, comprise one group of energy meter, it is characterized in that: each described energy meter is connected to acquisition terminal by Mbus bus, described acquisition terminal is connected to DTU data penetration transmission module, described DTU data penetration transmission module communicates with master station, described acquisition terminal connects described DTU data penetration transmission module by RS232 bus, and described DTU data penetration transmission module is communicated with described master station by GPRS/3G wireless network or USB interface.
2. remote automatic meter reading system according to claim 1, is characterized in that: described acquisition terminal comprises MCU microprocessor, and described MCU microprocessor is connection data acquisition module, RS232 module and memory module respectively.
3. remote automatic meter reading system according to claim 2, is characterized in that: described MCU microprocessor adopts STM32F103RBT6 single-chip microcomputer.
4. remote automatic meter reading system according to claim 2, it is characterized in that: described data acquisition module comprises relay module, signal sending circuit and signal receiving circuit, described relay module comprises a group relay, each described relay connects driver U8, and described driver U8 connects the pin 20-26 of described MCU microprocessor.
5. remote automatic meter reading system according to claim 4, it is characterized in that: described signal sending circuit comprises signal sending end MBUSTX, the diode D15 of described signal sending end MBUSTX by serial connection and the base stage of resistance R19 connecting triode Q3, the collector of described triode Q3 passes through the base stage of resistance R16 connecting triode Q2, the anode of the collector concatenation operation amplifier IC1 of described triode Q2, the negative terminal of described operational amplifier IC1 is by resistance R20 ground connection, the output terminal of described operational amplifier IC1 passes through resistance R10 and the R11 connection signal output terminal+BUS of serial connection, the collector of described resistance R10 connecting triode Q1, the emitter of described triode Q2 connects 18V power supply by resistance R1, the base stage of described triode Q1 connects electric capacity C2 and resistance R2 respectively, described resistance R10 is by the anode of diode D5 and resistance R21 concatenation operation amplifier U4, the negative terminal of described operational amplifier U4 is by resistance R25 and resistance R29 ground connection, described signal receiving circuit comprises receiving end+B2, described receiving end+B2 is by the anode of resistance R6 concatenation operation amplifier UIA, described receiving end+B2 is also connected the negative terminal of described operational amplifier UIA with resistance R7 by diode D3, the output terminal of described operational amplifier UIA is by resistance R60 connection signal receiving end MBUSRX, described signal sending end MBUSTX connects the pin 16 of described MCU microprocessor, and described signal receiving end MBUSRX connects the pin 17 of described MCU microprocessor.
6. remote automatic meter reading system according to claim 2, is characterized in that: the pin 11 of described RS232 module connects the pin 42 of described MCU microprocessor, and the pin 12 of described RS232 module connects the pin 43 of described MCU microprocessor.
7. remote automatic meter reading system according to claim 2, is characterized in that: described memory module adopts Flash memory module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520019672.7U CN204480459U (en) | 2015-01-13 | 2015-01-13 | A kind of remote automatic meter reading system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520019672.7U CN204480459U (en) | 2015-01-13 | 2015-01-13 | A kind of remote automatic meter reading system |
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| CN204480459U true CN204480459U (en) | 2015-07-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105608877A (en) * | 2016-02-24 | 2016-05-25 | 河南派亚尼尔自动化设备有限公司 | Touch-screen household heat meter collector and application method |
| CN106059876A (en) * | 2016-06-22 | 2016-10-26 | 重庆世纪之光科技实业有限公司 | Mode switching control method, device and system for unidirectional serial bus network |
| CN109360404A (en) * | 2018-12-13 | 2019-02-19 | 湖南常德牌水表制造有限公司 | A kind of M-Bus main website multi-channel intelligent meter reading remote transmission device and method |
-
2015
- 2015-01-13 CN CN201520019672.7U patent/CN204480459U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105608877A (en) * | 2016-02-24 | 2016-05-25 | 河南派亚尼尔自动化设备有限公司 | Touch-screen household heat meter collector and application method |
| CN106059876A (en) * | 2016-06-22 | 2016-10-26 | 重庆世纪之光科技实业有限公司 | Mode switching control method, device and system for unidirectional serial bus network |
| CN106059876B (en) * | 2016-06-22 | 2018-06-26 | 重庆世纪之光科技实业有限公司 | A kind of mode switch control method, equipment and the system of unidirectional serial bus network |
| CN109360404A (en) * | 2018-12-13 | 2019-02-19 | 湖南常德牌水表制造有限公司 | A kind of M-Bus main website multi-channel intelligent meter reading remote transmission device and method |
| CN109360404B (en) * | 2018-12-13 | 2023-08-15 | 湖南常德牌水表制造有限公司 | Multichannel intelligent meter reading remote transmission device and method for M-Bus master station |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 |
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| CF01 | Termination of patent right due to non-payment of annual fee |