CN109887262B - Automatic installation method of MBUS remote meter reading system - Google Patents
Automatic installation method of MBUS remote meter reading system Download PDFInfo
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- CN109887262B CN109887262B CN201910255707.XA CN201910255707A CN109887262B CN 109887262 B CN109887262 B CN 109887262B CN 201910255707 A CN201910255707 A CN 201910255707A CN 109887262 B CN109887262 B CN 109887262B
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Abstract
The invention relates to an automatic installation method of an MBUS remote meter reading system, which is characterized by comprising the following steps: s1, the master station automatically searches the slave machines; s2, if the slave is searched, judging whether the master station has an available channel, if the slave is not searched, executing S5; s3, if the master station has an available channel, allocating the available channel for the slave and executing S4, if the master station has no available channel, executing S5; s4, the master station automatically determines the address for the slave and returns to S1; and S5, finishing the installation. The method can realize automatic installation of the slave machine, has high installation efficiency and is very convenient to use.
Description
Technical Field
The invention relates to the technical field of meter reading, in particular to an automatic installation method of an MBUS remote meter reading system.
Background
The MBUS remote meter reading system is a European standard two-wire system bus system, an intelligent electric meter is used as a master station, a water meter, a gas meter and a heat meter are used as slave stations, and the master station acquires information of the slave stations through an MBUS bus to realize the centralized meter reading of four meters.
At present, the mode of installing slave stations such as water meters, gas meters, heat meters and the like to a master station is generally manual installation, namely, when a certain slave station needs to be installed, the slave station is accessed to an MBUS bus, and when another slave station needs to be installed, the accessed slave station needs to be detached and then the slave station to be accessed is installed. For example, the slave station address to be installed must be 0, and only one device with an address of 0 exists on the bus, so that the slave station address cannot be installed under many conditions, such as the slave station address is not 0, the field installation requirement cannot be met, and the operation and use are inconvenient.
Disclosure of Invention
In view of the above problems, the present invention aims to provide an automatic installation method for an MBUS remote meter reading system, which can automatically assign addresses to MBUS devices and is convenient to use.
In order to achieve the purpose, the invention adopts the technical scheme that: an automatic installation method of an MBUS remote meter reading system is characterized in that: the method comprises the following steps of,
s1, the master station automatically searches the slave;
s2, if the slave is searched, judging whether the master station has an available channel, if the slave is not searched, executing S5;
s3, if the master station has an available channel, allocating the available channel for the slave and executing S4, if the master station has no available channel, executing S5;
s4, the master station automatically determines the address for the slave and returns to S1;
s5, finishing the installation;
wherein the step of the master station determining the address for the slave in S4 comprises,
s41, judging whether the native address of the slave is legal, if so, continuing to judge, and if not, reallocating the address for the slave;
the step of continuing the judgment in S41 includes,
s411, judging whether the slave information conflicts with the installed equipment information, if so, executing S412, and if not, continuing to judge;
s412, judging whether the address of the slave machine is consistent with the address of the installed equipment, if so, indicating that the installation of the slave machine is successful; if not, the slave machine restores the master station to store the address.
The step of continuing the judgment in S411 includes,
s4111, judging whether the native address of the slave is 0, if so, reallocating the address to the slave, otherwise, continuously judging whether the slave conflicts with the address of the installed equipment, if so, reallocating the address to the slave, and if not, installing according to the native address of the slave.
Further, the main station is an electric meter.
Further, the slave machines comprise a water meter, a gas meter and a heat meter.
Further, the legal address range is 0-250.
Further, the rule of reallocating the addresses is that the first unused address is searched from small to large as the installation address of the slave.
Furthermore, the number of searching times for searching the first unused address from small to large is not more than the preset installation number of the slave machines.
Compared with the prior art, the invention has the advantages that: the master station automatically searches the slave machines and automatically allocates and determines addresses for the slave machines according to the conditions of the slave machines, and when the information and the addresses of the installed slave machines are the same, the slave machines are not processed, so that the installation efficiency is improved; the method has the advantages that the slave with illegal addresses can be reallocated for installation, and the slave with addresses not being 0 and conflicting with the installed equipment can also be reallocated for installation, so that the method has good applicability; the slave machine with the address not being 0 and not conflicting with the installed equipment can be installed by using the address of the slave machine, so that the chance of address change is reduced, and communication faults are avoided; the slave which is installed but the address is changed to cause that the communication is not available is automatically installed by the method, the original address can be recovered for communication, and the application is very convenient.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the MBUS remote meter reading system of the present invention.
Fig. 2 is a flowchart of an embodiment of an automatic installation method of an MBUS remote meter reading system according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Fig. 2 is a flowchart illustrating an automatic installation method of an MBUS remote meter reading system according to an embodiment of the present invention, the automatic installation method of an MBUS remote meter reading system includes,
s1, the master station automatically searches the slave;
s2, if the slave is searched, judging whether the master station has an available channel, if the slave is not searched, executing S5;
s3, if the master station has an available channel, allocating the available channel for the slave and executing S4, if the master station has no available channel, executing S5;
s4, the master station automatically determines the address for the slave and returns to S1;
and S5, finishing the installation.
When the master station automatically determines the address for the slave, whether the native address of the slave is legal is judged firstly, if so, whether the information of the slave conflicts with the information of the installed equipment is continuously judged, and if not, the address is reallocated for the slave.
And if the slave information conflicts with the installed equipment information, namely the slave is installed on the master station before, continuously judging whether the slave address is consistent with the installed equipment address. If the slave is consistent with the master station, the slave is successfully installed to the master station, data interaction can be carried out, further installation is not needed, and the next slave searching is directly quitted; if the addresses of the slaves are inconsistent with the addresses of the master channels, the slaves are installed before, but the addresses are modified for some reason, in this case, the slaves do not need to be re-allocated with new addresses for installation, and data interaction can be performed only by restoring the addresses of the slaves to the addresses stored in the master channels, so that the slaves can normally communicate with the electricity meter.
If the slave information does not conflict with the installed device information, namely the slave is not installed on the master station before, the original address of the slave is continuously judged whether to be 0 or not. If the native address of the slave is 0, the slave is redistributed with the address, and further installation tasks are set according to the channel and the table number; and if the native address of the slave is not 0, continuously judging whether the native address of the slave conflicts with the installed equipment address. If the original address of the slave machine does not conflict with the installed equipment address, the original address of the slave machine is used for installation, and a further installation task is set according to the channel and the table number; if the native address of the slave conflicts with the installed device address, the native address of the slave is used in the master station, the slave needs to be reassigned to an address for installation, and further installation tasks are set according to the channel and the table number.
The method for judging whether the master station has the available channel is realized by reading the initial address of the master station channel, if the number of the channels of which the addresses are used is consistent with the number of the preset installed slave machines, the fact that the slave machines are installed is indicated, no available channel exists, and if not, the number of the channels of which the addresses are used is smaller than the number of the preset installed slave machines, the available channels are increased for the slave machines to be installed.
As shown in fig. 1, which is a schematic structural diagram of an embodiment of the MBUS remote meter reading system of the present invention, in this embodiment, the master station is an electric meter, the slave machines include a water meter, a gas meter, a heat meter, and the like, and metering data of the water meter, the gas meter, and the heat meter is transmitted to the electric meter through the MBUS bus, and then transmitted to the console server through the electric meter in a wired or wireless transmission manner, so as to implement remote meter reading. A plurality of slave devices can be automatically installed on the MBUS bus, so that remote meter reading is very convenient.
In this embodiment, the legal address range is 0-250.
In this embodiment, the rule for reallocating addresses is that the first unused address is searched from small to large as the slave installation address.
In this embodiment, the number of searching times for searching the first unused address from small to large is not greater than the preset number of installed slaves. For example, the master station plans to install 4 slave devices, when the slave devices are reassigned addresses, only four times of searching are needed at most in a legal address range to obtain unused addresses, if the number of the used addresses exceeds four times, the slave devices are installed completely, no available channel exists, and the slave devices are not installed even if the slave devices are searched later, so that the inquiry of the slave devices is not performed, and the automatic installation process is directly finished, so that the installation efficiency can be improved, and the repeated installation is avoided.
The master station automatically searches the slave machines and automatically allocates the determined addresses to the slave machines according to different conditions of the slave machines, so that the slave machines are very convenient to install and use. When the information and the address of the installed slave are the same, the slave is not processed, and the installation efficiency is improved; the method has the advantages that the slave with illegal addresses can be reallocated for installation, and the slave with addresses not being 0 and conflicting with the installed equipment can also be reallocated for installation, so that the method has good applicability; the slave machine with the address not being 0 and not conflicting with the installed equipment can be installed by using the address of the slave machine, so that the chance of address change is reduced, and communication faults are avoided; the slave which is installed but the address is changed to cause that the communication is not available is automatically installed by the method, the original address can be recovered for communication, and the application is very convenient.
In addition to the above-mentioned modifications, other similar modifications are also included in the scope of the modifications of the present invention, and are not described herein in detail. While embodiments of the invention have been shown and described, it will be understood by those skilled in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. An automatic installation method of an MBUS remote meter reading system is characterized in that: the method comprises the following steps of,
s1, the master station automatically searches the slave;
s2, if the slave is searched, judging whether the master station has an available channel, if the slave is not searched, executing S5;
s3, if the master station has an available channel, allocating the available channel for the slave and executing S4, if the master station has no available channel, executing S5;
s4, the master station automatically determines the address for the slave and returns to S1;
s5, finishing the installation;
wherein the step of the master station determining addresses for the slaves in S4 includes,
s41, judging whether the native address of the slave is a legal address, if so, continuing the judgment, and if not, reallocating the address for the slave;
the step of continuing the judgment in S41 includes,
s411, judging whether the slave information conflicts with the installed equipment information stored by the master station, if so, executing S412, and if not, continuing to judge;
s412, judging whether the address of the slave is consistent with the address of the installed equipment stored by the master station, if so, indicating that the installation of the slave is successful; if not, the address of the slave machine is restored to the address saved by the master station;
the step of continuing the judgment in S411 includes,
s4111, judging whether the native address of the slave is 0, if so, reallocating the address to the slave, otherwise, continuously judging whether the slave conflicts with the installed equipment address stored by the master station, if so, reallocating the address to the slave, and if not, installing according to the native address of the slave.
2. The method of claim 1, further comprising:
the main station is an ammeter.
3. The method of claim 2, further comprising:
the slave machine comprises a water meter, a gas meter and a heat meter.
4. The method of claim 1, further comprising:
the legal address range is 0-250.
5. The method of claim 1, further comprising:
the rule for reallocating the addresses is that the first unused address is searched from small to large to be used as a slave installation address.
6. The method of claim 5, further comprising:
and the searching times of searching the first unused address from small to large is not more than the preset installation number of the slave machines.
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| CN106530667A (en) * | 2016-11-09 | 2017-03-22 | 深圳云联讯数据科技有限公司 | Automatic address allocation serial port ammeter acquiring method and smart ammeter acquiring system |
| CN106603308A (en) * | 2017-01-03 | 2017-04-26 | 国网浙江省电力公司宁波供电公司 | Method and system for household meter dynamic registration and stage area identification |
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| CN108986440B (en) * | 2018-09-27 | 2020-07-17 | 深圳友讯达科技股份有限公司 | Multi-network fusion meter reading system and address allocation method of meter reading system |
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| CN102339300A (en) * | 2011-06-17 | 2012-02-01 | 杭州炬华科技股份有限公司 | Automatic meter searching method for intelligent power grid |
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