CN108289058B - Energy gateway capable of setting MBUS bus voltage - Google Patents
Energy gateway capable of setting MBUS bus voltage Download PDFInfo
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- CN108289058B CN108289058B CN201810207827.8A CN201810207827A CN108289058B CN 108289058 B CN108289058 B CN 108289058B CN 201810207827 A CN201810207827 A CN 201810207827A CN 108289058 B CN108289058 B CN 108289058B
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- power supply
- mbus
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- setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40228—Modbus
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses an energy gateway capable of setting MBUS bus voltage, which comprises a 12V power supply, a singlechip control circuit, an MBUS sending circuit, a bus power supply setting and generating circuit, a power supply setting circuit and a power supply setting and generating circuit; the signal output end of the singlechip control circuit is connected with the signal input end of the MBUS transmitting circuit, the singlechip control circuit outputs a driving signal through a Pulse Width Modulation (PWM) port to be connected with the bus power supply setting and generating circuit, the bus power supply setting and generating circuit feeds output voltage value output back to the singlechip control circuit, the 12V power supply is output to the bus power supply setting and generating circuit, the signal output end of the bus power supply setting and generating circuit is connected with the signal input end of the MBUS transmitting circuit, and the debugging tool is connected with the singlechip control circuit through a 485 communication bus. The MBUS bus of the energy gateway has strong carrying capacity and meets the requirements of field application.
Description
Technical Field
The invention relates to the field of comprehensive energy information acquisition, which is mainly applied to energy metering information acquisition and data conversion of electricity, water, gas, heat and the like, in particular to an energy gateway capable of setting MBUS bus voltage.
Background
The national grid company in 2015 provides the requirement of ' actively pushing ' all-in-one ' collection of electricity, water, gas and heat ', plans the ' three-meter ' collection work of water, electricity and gas ', creates a new business mode of copying and realizes the important reform of the charging mode of water, electricity, gas and other public utilities. The wireless acquisition network of the ammeter is utilized to realize the full coverage and full acquisition of the water meter and the gas meter on the basis of realizing the full coverage and full acquisition of the data acquisition of the ammeter in the station area. The bidirectional real-time acquisition of the water meter and the gas meter data can be realized, and a foundation is laid for the price of stepped water gas, prepayment and the like. Therefore, development of protocol converters is imperative. The method has the advantages that a water, electricity, gas and heat field information resource sharing mechanism is established, integrated social resources are integrated, intelligent cell construction is promoted, and a smart city is created. At present, the world is in an energy shortage state, and the energy conservation has very important significance for sustainable development in China. The traditional manual meter reading (water, electricity, gas and heat) mode has large error and large workload, and is inconvenient and unsafe. The latest research results of computer technology, network technology and microelectronic technology are applied to meter reading systems, and automatic data acquisition, timing transmission and real-time monitoring can be completed without the need of personnel arriving at the site, so that time, manpower and material resources are saved, and the working efficiency is improved. And the real-time user use data is beneficial to the management department to realize the monitoring management of the energy, improves the use benefit, and is the basis for realizing the automation of energy distribution in the future.
When the MBUS bus works, the load can be more than 100 water meters, some water meters designed by various manufacturers do not meet the specification, the design voltage of electronic elements is insufficient, the bus voltage is not uniform, and the communication failure of the field MBUS bus and even the failure of the water meters are caused.
Disclosure of Invention
The invention provides an energy gateway capable of setting MBUS bus voltage, and aims to set an output voltage value by using flexible intelligent circuit and software design, and automatically match the water meter bus voltage of different manufacturers. The field use performance of the energy gateway is enhanced, and the collection reliability is improved.
In order to solve the technical problems, the invention adopts the following technical scheme:
an energy gateway capable of setting MBUS bus voltage, which is characterized in that: the device comprises a 12V power supply, a singlechip control circuit, an MBUS transmitting circuit, a bus power supply setting and generating circuit; the signal output end of the singlechip control circuit is connected with the signal input end of the MBUS transmitting circuit, the singlechip control circuit outputs a driving signal through a Pulse Width Modulation (PWM) port to be connected with the bus power supply setting and generating circuit, the bus power supply setting and generating circuit feeds output voltage value output back to the singlechip control circuit, the 12V power supply is output to the bus power supply setting and generating circuit, the signal output end of the bus power supply setting and generating circuit is connected with the signal input end of the MBUS transmitting circuit, and the debugging tool is connected with the singlechip control circuit through a 485 communication bus.
The energy gateway capable of setting MBUS bus voltage is characterized in that: the bus power supply setting and generating circuit is connected as follows: the 12V power supply is connected with the inductor L1, the inductor L1 is connected with the drain electrode of the MOS tube Q1, a PWM driving signal input by the singlechip control circuit is connected with the grid electrode of the MOS tube Q1, the resistor R1 is connected with the source electrode of the MOS tube, the resistor R1 is connected with the ground of the 12V power supply, the inductor L1 is connected with the anode of the diode D1, the cathode of the diode D1 is connected with the capacitor C1, the capacitor C1 is connected with the ground, and the cathode of the diode D1 outputs MBUS bus voltage to the MBUS transmitting circuit.
The control strategy of the energy gateway to the MBUS bus voltage is as follows:
and changing the control parameters of the MBUS bus voltage in the program through a debugging tool. The MCU controls the PWM pulse width through PI regulation, so that the MBUS bus voltage is constant to be a set value, and the method is suitable for various bus voltage requirements on site.
The MBUS bus voltage range output by the energy gateway is 22V-42V.
The beneficial effects of the invention are as follows:
1. the MBUS bus voltage can be flexibly set, can be conveniently applied to the bus voltage requirements of water meters of different manufacturers and different specifications, and improves the reliability of meter reading;
2. the MBUS bus voltage parameter is set through a debugging tool, so that the on-site application is convenient;
3. the MBUS bus voltage is controlled by PWM pulse width sent by the MCU, so that the hardware cost is saved, and the confidentiality of the product is enhanced;
4. the MBUS Bus voltage is generated through the booster circuit, the diode in the booster circuit can effectively block the overvoltage from the Bus, the Bus required in the standard can be easily met, and the requirements of 'the master M-Bus and the slave M-Bus interfaces can tolerate 60VDC abnormal voltage access'.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a system connection diagram of an energy gateway capable of setting an MBUS bus voltage according to the present invention.
Fig. 2 is a circuit diagram of a bus power setting and generating circuit.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
As shown in FIG. 1, the energy gateway capable of setting the MBUS bus voltage comprises a 12V power supply 1, a singlechip control circuit 2, an MBUS sending circuit 3 and a bus power supply setting and generating circuit 4; the signal output end of the singlechip control circuit 2 is connected with the signal input end of the MBUS transmitting circuit 3, the singlechip control circuit 2 outputs a driving signal through a Pulse Width Modulation (PWM) port to be connected with the bus power supply setting and generating circuit 4, the bus power supply setting and generating circuit 4 feeds back output voltage value output to the singlechip control circuit 2, the 12V power supply 1 is output to the bus power supply setting and generating circuit 4, the signal output end of the bus power supply setting and generating circuit 4 is connected with the signal input end of the MBUS transmitting circuit 3, and the debugging tool 5 is connected with the singlechip control circuit 2 through a 485 communication bus.
As shown in fig. 2, the bus power supply setting and generating circuit 4 is connected as follows: the 12V power supply is connected with the inductor L1, the inductor L1 is connected with the drain electrode of the MOS tube Q1, a PWM driving signal input by the singlechip control circuit is connected with the grid electrode of the MOS tube Q1, the resistor R1 is connected with the source electrode of the MOS tube, the resistor R1 is connected with the ground of the 12V power supply, the inductor L1 is connected with the anode of the diode D1, the cathode of the diode D1 is connected with the capacitor C1, the capacitor C1 is connected with the ground, and the cathode of the diode D1 outputs MBUS bus voltage to the MBUS transmitting circuit.
The control strategy of the energy gateway to the MBUS bus voltage is as follows:
and changing the control parameters of the MBUS bus voltage in the program through a debugging tool. The MCU controls the PWM pulse width through PI regulation, so that the MBUS bus voltage is constant to be a set value, and the method is suitable for various bus voltage requirements on site.
The MBUS bus voltage range output by the energy gateway is 22V-42V.
The embodiments of the present invention described above do not limit the scope of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention as set forth in the appended claims.
Claims (1)
1. An energy gateway capable of setting MBUS bus voltage, which is characterized in that: the device comprises a 12V power supply, a singlechip control circuit, an MBUS transmitting circuit, a bus power supply setting and generating circuit; the signal output end of the singlechip control circuit is connected with the signal input end of the MBUS transmitting circuit, the singlechip control circuit outputs a driving signal through a pulse width modulation port and is connected with a bus power supply setting and generating circuit, the bus power supply setting and generating circuit feeds back output voltage value output to the singlechip control circuit, a 12V power supply is output to the bus power supply setting and generating circuit, the signal output end of the bus power supply setting and generating circuit is connected with the signal input end of the MBUS transmitting circuit, and a debugging tool is connected with the singlechip control circuit through a 485 communication bus; the bus power supply setting and generating circuit is connected as follows: the 12V power supply is connected with the inductor L1, the inductor L1 is connected with the drain electrode of the MOS tube Q1, a PWM driving signal input by the singlechip control circuit is connected with the grid electrode of the MOS tube Q1, the resistor R1 is connected with the source electrode of the MOS tube, the resistor R1 is connected with the ground of the 12V power supply, the inductor L1 is connected with the anode of the diode D1, the cathode of the diode D1 is connected with the capacitor C1, the capacitor C1 is connected with the ground, and the cathode of the diode D1 outputs MBUS bus voltage to the MBUS transmitting circuit;
the energy gateway controls the MBUS bus voltage according to the following strategy:
changing control parameters of MBUS bus voltage in a program through a debugging tool; the MCU controls the PWM pulse width through PI regulation, so that the MBUS bus voltage is constant to be a set value, and the method is suitable for various bus voltage requirements on site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810207827.8A CN108289058B (en) | 2018-03-14 | 2018-03-14 | Energy gateway capable of setting MBUS bus voltage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810207827.8A CN108289058B (en) | 2018-03-14 | 2018-03-14 | Energy gateway capable of setting MBUS bus voltage |
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| Publication Number | Publication Date |
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| CN108289058A CN108289058A (en) | 2018-07-17 |
| CN108289058B true CN108289058B (en) | 2023-06-23 |
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| CN110311703B (en) * | 2019-07-03 | 2021-08-24 | 广州西博电子科技有限公司 | Enhanced intelligent internet of things gateway |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203149372U (en) * | 2013-03-14 | 2013-08-21 | 吴兴中 | Digital intelligent M-bus concentrator based on single-chip microcomputer control |
| CN103561251A (en) * | 2013-11-21 | 2014-02-05 | 国网安徽省电力公司淮南供电公司 | Image collecting circuit of power collecting and metering device |
| CN107565810A (en) * | 2017-08-16 | 2018-01-09 | 安徽南瑞中天电力电子有限公司 | A kind of strong load capacity protocol converter of High Power Factor and its control strategy |
| CN208094577U (en) * | 2018-03-14 | 2018-11-13 | 安徽南瑞中天电力电子有限公司 | A kind of energy source gateway setting MBUS bus voltages |
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- 2018-03-14 CN CN201810207827.8A patent/CN108289058B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203149372U (en) * | 2013-03-14 | 2013-08-21 | 吴兴中 | Digital intelligent M-bus concentrator based on single-chip microcomputer control |
| CN103561251A (en) * | 2013-11-21 | 2014-02-05 | 国网安徽省电力公司淮南供电公司 | Image collecting circuit of power collecting and metering device |
| CN107565810A (en) * | 2017-08-16 | 2018-01-09 | 安徽南瑞中天电力电子有限公司 | A kind of strong load capacity protocol converter of High Power Factor and its control strategy |
| CN208094577U (en) * | 2018-03-14 | 2018-11-13 | 安徽南瑞中天电力电子有限公司 | A kind of energy source gateway setting MBUS bus voltages |
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| CN108289058A (en) | 2018-07-17 |
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