CN101520941A - MBUS host sending end circuit and data sending method - Google Patents
MBUS host sending end circuit and data sending method Download PDFInfo
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- CN101520941A CN101520941A CN200810121323A CN200810121323A CN101520941A CN 101520941 A CN101520941 A CN 101520941A CN 200810121323 A CN200810121323 A CN 200810121323A CN 200810121323 A CN200810121323 A CN 200810121323A CN 101520941 A CN101520941 A CN 101520941A
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Abstract
The invention relates to an MBUS host sending end circuit and a data sending method for collecting data of a water meter, a gas meter and a heat meter. An electronic analogical switching circuit control pin is connected with a serial port TX, two input pins are respectively connected with power supplies with the voltage of 24-42V and 14-32V, an output end is connected with one end of the MBUS and the other end of the MBUS is connected to the ground. The invention has the advantages of simple electrical circuit, less components, low cost, convenient testing and less testing points, easy maintenance, and portable MBUS host; and the host of MUBS is smaller and lighter compared with the traditional hosts due to the simple electrical circuit.
Description
Technical field
The present invention relates to a kind of MBUS host sending end circuit and data transmission method for uplink that is used for the data acquisition of water meter, gas meter, hotlist, belong to fields such as intelligent building control.
Background technology
The circuit more complicated of the data sending terminal of at present traditional MBUS main frame generally all will be passed through circuit such as shaping filter, comparison, amplification and could be realized voltage modulated on the MBUS bus, and circuit is loaded down with trivial details, and debugging is complicated, shortcomings such as maintenance difficult.
Summary of the invention
Purpose of design: purpose of design: the weak point that exists in the background technology, design a kind of circuit structure is simple and direct, debugging is simple, need not to keep in repair M-BUS host sending end circuit and data transmission method for uplink
Design proposal: in order to realize above-mentioned purpose of design.The present invention is connected with the base stage of triode by a resistance R by serial ports TX pin, the grounded emitter of triode, and the collector of triode links to each other with the control pin of electronic analog swtich and receives on the power supply of 5V by a resistance.Two input pins of electronic analog swtich connect respectively+28V about and+power supply about 15V, output terminal is connected to an end of MBUS bus, the other end ground connection of MBUS bus by a resistance; When TX sent data-signal, the control pin of electronic analog swtich can change between 0V and two level of 5V, and then changed the normally-open normally-close state of electronic analog swtich, made output voltage change to realize voltage modulated on the MBUS bus.
Technical scheme 1:MBUS host sending end circuit, electronic analog switch circuit control pin meet serial ports TX, two input pins and connect respectively+24～+ 42V and+14～+ power supply of 32V a, end of output termination MBUS bus, the other end ground connection of MBUS bus.
The data transmission method for uplink of technical scheme 2:MBUS host sending end circuit, be connected with the base stage of triode by a resistance R by serial ports TX pin, the grounded emitter of triode, the collector of triode links to each other with the control pin of an electronic analog swtich and by on the power supply of receiving diode+15V, two input pins of electronic analog swtich connect respectively+28V about and+power supply about 15V, output terminal is connected to an end of MBUS bus, the other end ground connection of MBUS bus by a resistance; When TX sent data-signal, the control pin of electronic analog swtich pipe can change between 0V and two level of 5V, and then changed the normally-open normally-close state of electronic analog swtich, made output voltage change to realize voltage modulated on the MBUS bus.
The present invention compares with background technology, and the one, circuit is simple, and components and parts are few, and cost is low; The 2nd, convenient test, test point is few; The 3rd, easy to maintenance; Four are easy to carry, because circuit is succinct, make that the main frame of MBUS is littler than traditional size, and weight is lighter.
Description of drawings
Fig. 1 is the synoptic diagram of MBUS host sending end circuit.
Fig. 2 is one of the circuit theory of a MBUS host sending end circuit synoptic diagram.
Fig. 3 is two synoptic diagram of the circuit theory of MBUS host sending end circuit.
Embodiment
Embodiment 1: with reference to accompanying drawing 1.MBUS host sending end circuit, the electronic analog switch circuit control pin meets serial ports TX, two input pins and connects respectively+24～+ 42V (+24～+ change in the 42V scope) and+14～+ power supply of 32V (+14～+ change in the 32V scope), export an end of termination MBUS bus, the other end ground connection of MBUS bus.
Embodiment 2: with reference to attached Fig. 1 and 2.The collector of electronic analog swtich control pin connecting resistance R3 one end and triode Q1, an end and the ground connection of the emitter connecting resistance R2 of Q1, the base stage of another termination Q1 of R2 and an end of resistance R 1, another termination serial ports TX of R1, the other end input voltage of resistance R 1 is+5V～+ 15V, its logical zero, input voltage be-5V～-15V, its logical one; Described electronic analog swtich output terminal connects an end of MBUS bus by resistance R 4; Described MBUS bus one end connects an end of capacitor C 2, the negative pole of diode D3, the positive pole of diode D4 by F1, the positive pole of another termination D3 of C2, the negative pole of D4 and the MBUS bus other end.
Embodiment 3: with reference to accompanying drawing 1 and 3.On the basis of embodiment 1 and 2, electronic analog swtich control pin connecting resistance R1 one end, the base stage of another termination triode Q1 of R1, one end and the ground connection of Q1 emitter and resistance R 2, the negative pole of another terminating diode D2 of R2 and power supply+15V end, the positive pole of D2 connects the positive pole of diode D1 and an end of resistance R 4, one end and the ground connection of the negative pole of D1 and the collector of Q1 and resistance R 3, another termination power+28V of R3, the termination serial ports TX of R1, the electronic analog swtich output terminal connects an end of MBUS bus by resistance R 4; Described MBUS bus one end connects an end of capacitor C 2, the negative pole of diode D3, the positive pole of diode D4 by F1, the positive pole of another termination D3 of C2, the negative pole of D4 and the MBUS bus other end.F1 is a fuse.
Embodiment 4: on the basis of embodiment 1～3, the data transmission method for uplink of MBUS host sending end circuit, be connected with the base stage of triode by resistance R by serial ports TX pin, the grounded emitter of triode, the collector of triode links to each other with the control pin of electronic analog swtich and by on the power supply of receiving diode+15V, two input pins of electronic analog swtich connect respectively+28V about (+24～+ change in the 42V scope, the best is 28V) and+15V about (+14～+ change in the 32V scope, the best is 15V) power supply, output terminal is connected to an end of MBUS bus, the other end ground connection of MBUS bus by a resistance; When TX sent data-signal, the control pin of electronic analog swtich can change between 0V and two level of 5V, and then changed the normally-open normally-close state of electronic analog swtich, made output voltage change to realize voltage modulated on the MBUS bus.That is to say, 323 serial ports of PC by the TX human hair combing waste give-5V～-15V and+5V～+ the 15V level signal, the conducting of control triode Q1 or end; When TX sent logical zero, Q1 ended, electronic analog swtich B1 end and+28V adhesive, and when TX sends logical one, Q1 conducting, electronic analog swtich B1 end and+15V adhesive.The classical part of whole principle of work be exactly by the control electronic analog swtich B1 end respectively with+28V and+15V is connected the voltage modulated that realizes on the bus, reaches the purpose of M-BUS transmission data.
What need understand is: though the foregoing description is to the present invention's detailed text description of contrasting; but these text descriptions; just invention thinking of the present invention is simply described; rather than to the restriction of mentality of designing of the present invention; any combination, omission or modification that does not exceed design philosophy of the present invention all falls within the scope of protection of the present invention.
Claims (6)
1, a kind of MBUS host sending end circuit is characterized in that: the electronic analog switch circuit control pin meets serial ports TX, two input pins and connects respectively+24～+ 42V and+14～+ power supply of 32V a, end of output termination MBUS bus, the other end ground connection of MBUS bus.
2, MBUS host sending end circuit according to claim 1, it is characterized in that: the collector of described electronic analog switch circuit control pin connecting resistance R3 one end and triode Q1, an end and the ground connection of the emitter connecting resistance R2 of Q1, the base stage of another termination Q1 of R2 and an end of resistance R 1, another termination serial ports TX of R1; Described electronic analog switch circuit output terminal connects an end of MBUS bus by resistance R 4.
3, MBUS host sending end circuit according to claim 2, it is characterized in that: described MBUS bus one end connects an end of capacitor C 2, the negative pole of diode D3, the positive pole of diode D4 by F1, the positive pole of another termination D3 of C2, the negative pole of D4 and the MBUS bus other end.
4, MBUS host sending end circuit according to claim 2 is characterized in that: the other end input voltage of resistance R 1 for+5V～+ 15V, its logical zero, input voltage be-5V～-15V, its logical one.
5, a kind of data transmission method for uplink of MBUS host sending end circuit, it is characterized in that: be connected with the base stage of triode by a resistance R by serial ports TX pin, the grounded emitter of triode, the collector of triode links to each other with the control pin of electronic analog swtich and by on the power supply of receiving diode+15V, two input pins of electronic analog swtich connect respectively+28V about and+power supply about 15V, output terminal is connected to an end of MBUS bus, the other end ground connection of MBUS bus by a resistance; When TX sent data-signal, the control pin of electronic analog swtich can change between 0V and 5V0V and two level of 5V, and then changed the normally-open normally-close state of electronic analog swtich, made output voltage change to realize voltage modulated on the MBUS bus.
6, the data transmission method for uplink of M-BUS host sending end circuit according to claim 5 is characterized in that: 323 serial ports of PC by the TX human hair combing waste give-5V～-15V and+5V～+ the 15V level signal, the conducting of control triode Q1 or end; When TX sent logical zero, Q1 ended, electronic analog swtich B1 end and+28V adhesive, and when TX sends logical one, Q1 conducting, electronic analog swtich B1 end and+15V adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101213230A CN101520941B (en) | 2008-09-25 | 2008-09-25 | MBUS host sending end circuit and data sending method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101213230A CN101520941B (en) | 2008-09-25 | 2008-09-25 | MBUS host sending end circuit and data sending method |
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| CN101520941A true CN101520941A (en) | 2009-09-02 |
| CN101520941B CN101520941B (en) | 2011-02-09 |
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| CN2008101213230A Active CN101520941B (en) | 2008-09-25 | 2008-09-25 | MBUS host sending end circuit and data sending method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102419903A (en) * | 2011-11-17 | 2012-04-18 | 青岛积成电子有限公司 | Semiautomatic meter reading device and meter reading method thereof |
| CN103177554A (en) * | 2013-03-27 | 2013-06-26 | 河南新天科技股份有限公司 | Portable rapid meter-reading method |
| CN107862851A (en) * | 2017-12-14 | 2018-03-30 | 威胜信息技术股份有限公司 | MBUS buses send signaling conversion circuit and its conversion method |
| 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 |
| CN110930682A (en) * | 2019-12-26 | 2020-03-27 | 宁波三星医疗电气股份有限公司 | MBUS communication circuit and MBUS communication system |
-
2008
- 2008-09-25 CN CN2008101213230A patent/CN101520941B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102419903A (en) * | 2011-11-17 | 2012-04-18 | 青岛积成电子有限公司 | Semiautomatic meter reading device and meter reading method thereof |
| CN102419903B (en) * | 2011-11-17 | 2014-06-25 | 青岛积成电子有限公司 | Semiautomatic meter reading device and meter reading method thereof |
| CN103177554A (en) * | 2013-03-27 | 2013-06-26 | 河南新天科技股份有限公司 | Portable rapid meter-reading method |
| CN107862851A (en) * | 2017-12-14 | 2018-03-30 | 威胜信息技术股份有限公司 | MBUS buses send signaling conversion circuit and its conversion method |
| CN107862851B (en) * | 2017-12-14 | 2023-08-15 | 威胜信息技术股份有限公司 | MBUS bus transmission signal conversion circuit and conversion method thereof |
| 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 |
| CN110930682A (en) * | 2019-12-26 | 2020-03-27 | 宁波三星医疗电气股份有限公司 | MBUS communication circuit and MBUS communication system |
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| Publication number | Publication date |
|---|---|
| CN101520941B (en) | 2011-02-09 |
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Owner name: LIERDA TECHNOLOGY GROUP CO., LTD. Free format text: FORMER NAME: LIERDA SCIENCE AND TECHNOLOGY CO., LTD. Owner name: LIERDA SCIENCE AND TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HANGZHOU LIERDA TECHNOLOGY CO., LTD. |
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