CN201682517U - Conversion device communicating in M-Bus bus and wireless transmission modes - Google Patents
Conversion device communicating in M-Bus bus and wireless transmission modes Download PDFInfo
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- CN201682517U CN201682517U CN2010201734334U CN201020173433U CN201682517U CN 201682517 U CN201682517 U CN 201682517U CN 2010201734334 U CN2010201734334 U CN 2010201734334U CN 201020173433 U CN201020173433 U CN 201020173433U CN 201682517 U CN201682517 U CN 201682517U
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Abstract
The utility model relates to a conversion device communicating in M-Bus bus and wireless transmission modes, belonging to the field of remote transmission meter system. The conversion device comprises a wireless converter formed by an M-Bus bus transceiver, a core processor, a radio transceiver and an antenna transceiver, wherein one end of the bus transceiver is connected with the core processor, the core processor is connected with the radio transceiver, and the radio transceiver is connected with the antenna transceiver; and the other end of the bus transceiver is connected on two lines of the M-Bus bus in parallel. By the bridging function of the wireless converter, a wireless communication terminal conducts data exchange with a main controller data acquisition device on the M-Bus bus system indirectly, the M-Bus bus communication and wireless communication transmission modes can be interchanged, and the mutual communication between the M-Bus bus communication terminal and the wireless communication terminal is realized; while no modification needs to be conducted on the original M-Bus bus system; therefore, the conversion device saves time and labor as well as resources.
Description
Technical field
The utility model belongs to remote installed meter system field, the conversion equipment that particularly a kind of M-Bus bus and wireless two kinds of transmission meanss are carried out communication mutually.
Background technology
M-Bus is 2 line buses of European standard, is mainly used in the consumption measuring instrument.M-Bus has many-sided application at building and the collection of industrial energy consumption data, is in the present water, electricity and gas three table long-distance meter-reading systems, extensively a kind of teletransmission communication modes that adopts.Article one, on the bus, often carry a plurality of communication terminal equipments, the master controller on these communication terminal equipments and the bus carries out data communication.In case after whole communication system construction was finished, if think also need add communication terminal equipment again in system, the communication terminal equipment that then often needs to increase was parallel to communication terminal equipment on the former M-Bus bus after setting up communication cable again.So both troublesome poeration increased workload, also wasted resource.Along with the fast development of wireless communication technique, wireless communication terminal equipment does not exist as M-Bus communication terminal equipment needs specifically communication terminal equipment could be joined problem on the former M-Bus bus by setting up communication cable.
Summary of the invention
The purpose of this utility model just is based on existing defective in the above-mentioned long-distance meter-reading system, and proposes a kind of M-Bus bus and conversion equipment that wireless transmission method carries out communication mutually.Use this conversion equipment, do not need to revise any equipment in the original M-Bus bus system, just wireless communication terminal equipment can be linked in wired M-Bus bus system; Adopt wireless communication mode owing to insert wireless communication terminal equipment, so both avoided specifically setting up the cumbersome problem of wiring; Can realize the translation function that M-Bus bus and wireless transmission method communicate with one another like a cork again.
The purpose of this utility model is to realize by the technical scheme that following measure constitutes:
The conversion equipment of M-Bus bus of the present utility model and the mutual communication of wireless transmission method according to the utility model, comprises the bus transceiver by M-Bus, core processor, the radio switch that radio transceiver and antenna receiving-sending device are formed; Described bus transceiver one end is connected with core processor, and core processor is connected with radio transceiver, and radio transceiver is connected with the antenna receiving-sending device; The bus transceiver other end is parallel on two lines of M-Bus bus; Bridge joint effect by described radio switch, make wireless communication terminal indirectly and on the M-Bus bus system master controller data acquisition unit carry out exchanges data, and M-Bus bus communication and wireless communication transmission mode are changed mutually, realize that M-Bus bus communication terminal equipment intercoms mutually with wireless communication terminal equipment.
In the above-mentioned technical scheme, the bus transceiver in the described radio switch adopts the QJM393 type to carry out the reception and the transmission of bus signals.
In the above-mentioned technical scheme, the core processor in the described radio switch adopts a single chip microcontroller ATMEGA48 to carry out data communication.
In the above-mentioned technical scheme, the radio transceiver in the described radio switch adopts the RFW1100 type, and its operating frequency is 470MHz, and modulation system is FSK, and power is the radio transceiver of 50 milliwatts, carries out the reception and the transmission of wireless signal.
In the above-mentioned technical scheme, the antenna receiving-sending device in the described radio switch adopts the ANU470 type to carry out the reception and the transmission of signal.
The conversion equipment of the utility model M-Bus bus and the mutual communication of wireless transmission method, M-Bus bus transceiver in the described radio switch is being undertaken the work of conversion mutually between M-Bus bus signals and the digital signal, it all converts signals all on the M-Bus bus to digital signal, delivers to core processor; Core processor is from these digital signals, judge that at first whether this signal is the signal at self address, in case find it is behind the signal at self address, then data are delivered to radio transceiver, radio transceiver is modulated data again, signal radiation after will modulating by the antenna receiving-sending device then is to aerial, thereby wireless communication terminal equipment on every side just can receive.Simultaneously, radio transceiver works in accepting state, if the wireless communication terminal expectation sends data in the bus master controller data acquisition unit, radio signal will be received by radio transceiver, after this signal is converted into digital signal, deliver to core processor, core processor is delivered to data on the bus transceiver again, bus transceiver with data-modulated after, directly send on the M-Bus bus, at this moment, the bus master controller that is connected on the M-Bus bus just can receive.
The utlity model has following advantage and beneficial technical effects:
Adopt the conversion equipment of the utility model M-Bus bus and the mutual communication of wireless transmission method, in the time need expanding, no longer need after setting up communication cable, communication terminal equipment to be parallel on the former M-Bus bus to the terminal equipment quantity of former M-Bus bus system; But the bridge joint effect by radio switch in the conversion equipment, make wireless communication terminal indirectly and in the M-Bus bus system master controller data acquisition unit carry out exchanges data, two kinds of transmission meanss of M-Bus bus communication and wireless telecommunications are changed mutually, thereby realized the function that M-Bus bus communication terminal and wireless communication terminal intercom mutually; Therefore not only avoided originally specifically setting up the cumbersome problem of wiring, also need not former M-Bus bus system is made any modification; And save time, laborsaving, economize on resources.
Description of drawings
The structured flowchart of Fig. 1 conversion equipment described in the utility model.
Among the figure, 1 is the M-Bus bus transceiver; 2 is core processor; 3 is radio transceiver; 4 is the antenna receiving-sending device; 5 is the M-Bus bus master controller; 6 is M-Bus bus communication terminal equipment; 7 is wireless communication terminal equipment; 8 is radio switch.
Embodiment
The embodiment of the M-Bus bus that the utility model is provided below in conjunction with accompanying drawing and the conversion equipment of the mutual communication of wireless transmission method elaborates.
Embodiment
The conversion equipment of M-Bus bus of the present utility model and the mutual communication of wireless transmission method, its structured flowchart among the figure, comprise by M-Bus bus transceiver 1 as shown in Figure 1, core processor 2, the radio switch 8 that radio transceiver 3 and antenna receiving-sending device 4 are formed; Described M-Bus bus transceiver 1 adopts the QJM393 type, the one end is connected with core processor 2 by asynchronous serial port, core processor 2 adopts a single chip microcontroller ATMEGA48 to carry out data communication, single chip microcontroller ATMEGA48 controls by the synchronous serial interface pair radio transceiver that is connected with it 3, radio transceiver 3 adopts the RFW1100 type, and its operating frequency is 470MHz, and modulation system is FSK, power is 50 milliwatts, and radio transceiver 3 is connected with antenna receiving-sending device 4; Antenna receiving-sending device 4 adopts the ANU470 type to carry out the reception and the transmission of signal; M-Bus bus transceiver 1 other end directly is parallel on M-Bus bus two lines by cable, M-Bus bus communication terminal equipment 6 is a N M-Bus bus remote installed meter, they all are parallel on M-Bus bus two lines by cable, and wireless communication terminal equipment 7 is a wireless remote transmission table.
In this example, described M-Bus bus transceiver 1 all converts signals all on the M-Bus bus to digital signal, delivers to core processor 2; Core processor 2 is from these digital signals, judge that at first whether this signal is the signal at self address, in case find it is behind the signal at self address, then data are delivered to radio transceiver 3, radio transceiver 3 is modulated data again, signal radiation after will modulating by antenna receiving-sending device 4 then is to aerial, thereby wireless communication terminal equipment 7 on every side just can receive.Simultaneously, radio transceiver 1 works in accepting state described in the radio switch 8, if the wireless communication terminal expectation sends data to bus master controller 5, radio signal will be received by radio transceiver 1.After this signal is converted into digital signal, deliver to core processor 2, core processor 2 is delivered to data on the M-Bus bus transceiver 1 again, M-Bus bus transceiver 1 is with after the data-modulated, directly send on the M-Bus bus, at this moment, the data acquisition unit that is connected to the bus master controller 5 on the M-Bus bus just can receive.
Described bus master controller 5 data acquisition units not only can be operated the M-Bus bus remote installed meter of M-Bus bus communication terminal equipment 6, also can operate by the wireless remote transmission table of M-Bus bus and 8 pairs of wireless communication terminal equipment 7 of radio switch.Therefore, M-Bus bus communication and wireless communication transmission mode are changed mutually, thereby be realized the intercommunication mutually of M-Bus bus communication terminal equipment 6 and wireless communication terminal equipment 7 by radio switch 8.
Conversion equipment of the present utility model replaces original wired M-Bus bus communication equipment by insert wireless telecommunications system in the M-Bus bus system, wireless telecommunications system is by the bridge joint effect of radio switch, make the indirect data acquisition unit of bus master controller of wireless communication terminal carry out exchanges data with on the M-Bus bus system, so do not need former M-Bus bus system is made any modification, can not produce any influence yet to former M-Bus bus system.
Claims (5)
1. the conversion equipment of M-Bus bus and the mutual communication of wireless transmission method is characterized in that comprising by M-Bus bus transceiver (1), core processor (2), the radio switch (8) that radio transceiver (3) and antenna receiving-sending device (4) are formed; Described bus transceiver (1) one end is connected with core processor (2), and core processor (2) is connected with radio transceiver (3), and radio transceiver (3) is connected with antenna receiving-sending device (4); Bus transceiver (1) other end is parallel on two lines of M-Bus bus; Bridge joint effect by described radio switch (8), make wireless communication terminal indirectly and on the M-Bus bus system master controller (5) data acquisition unit carry out exchanges data, and M-Bus bus communication and wireless communication transmission mode are changed mutually, realize that M-Bus bus communication terminal equipment (6) intercoms mutually with wireless communication terminal equipment (7).
2. conversion equipment according to claim 1 is characterized in that the bus transceiver (1) in the described radio switch (8) adopts the QJM393 type to carry out the reception and the transmission of bus signals.
3. conversion equipment according to claim 1 and 2 is characterized in that the core processor (2) in the described radio switch (8) adopts a single chip microcontroller ATMEGA48 to carry out data communication.
4. conversion equipment according to claim 1 and 2, it is characterized in that the radio transceiver (3) in the described radio switch (8) adopts the RFW1100 type, its operating frequency is 470MHz, modulation system is FSK, power is the radio transceiver of 50 milliwatts, carries out the reception and the transmission of wireless signal.
5. conversion equipment according to claim 1 and 2 is characterized in that the antenna receiving-sending device (4) in the described radio switch (8) adopts the ANU470 type to carry out the reception and the transmission of signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201734334U CN201682517U (en) | 2010-04-27 | 2010-04-27 | Conversion device communicating in M-Bus bus and wireless transmission modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201734334U CN201682517U (en) | 2010-04-27 | 2010-04-27 | Conversion device communicating in M-Bus bus and wireless transmission modes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201682517U true CN201682517U (en) | 2010-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201734334U Expired - Lifetime CN201682517U (en) | 2010-04-27 | 2010-04-27 | Conversion device communicating in M-Bus bus and wireless transmission modes |
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| Country | Link |
|---|---|
| CN (1) | CN201682517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427877A (en) * | 2013-06-27 | 2013-12-04 | 陕西凯星电子科技有限责任公司 | Power carrier MBUS (meter bus) data converter and remote control method of MBUS equipment |
-
2010
- 2010-04-27 CN CN2010201734334U patent/CN201682517U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427877A (en) * | 2013-06-27 | 2013-12-04 | 陕西凯星电子科技有限责任公司 | Power carrier MBUS (meter bus) data converter and remote control method of MBUS equipment |
| CN103427877B (en) * | 2013-06-27 | 2015-01-14 | 陕西凯星电子科技有限责任公司 | Power carrier MBUS (meter bus) data converter and remote control method of MBUS equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101222 |