CN110474828A - A kind of MBUS bus communication and system - Google Patents
A kind of MBUS bus communication and system Download PDFInfo
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- CN110474828A CN110474828A CN201910927572.7A CN201910927572A CN110474828A CN 110474828 A CN110474828 A CN 110474828A CN 201910927572 A CN201910927572 A CN 201910927572A CN 110474828 A CN110474828 A CN 110474828A
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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
- H04L12/40006—Architecture of a communication node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5046—Resolving address allocation conflicts; Testing of addresses
-
- 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
- H04L12/403—Bus networks with centralised control, e.g. polling
-
- 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
- H04L12/407—Bus networks with decentralised control
-
- 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
Abstract
The invention discloses a kind of MBUS bus communication and systems, belong to meter communication and control technology, comprising: MBUS host passes through MBUS bus to MBUS slave visit order, so that MBUS slave uploads data collected to MBUS host according to visit order；When MBUS host is more than that setting time t does not send visit order to a certain MBUS slave, determine that the MBUS slave meets active reporting data qualification, MBUS host receives the data of the MBUS slave active upload.The present invention reduces the poll frequency of MBUS host, to reduce the power consumption of system by adding MBUS slave active reporting data pattern.
Description
Technical field
The present invention relates to meter communication and control technology field, in particular to a kind of MBUS bus communication and system.
Background technique
With the development of wisdom heating technology, calorimeter that each household in central heating system all uses, intelligent control
Valve, family pipe pressure sensor etc., multiple calorimeters, intelligent control valve are made, pressure sensor is connected as slave by MBUS bus
It is connected to MBUS host, MBUS host can be with carrying a subordinate computer node up to more than 250.Subordinate computer node is used for monitoring data, packet
Data on flows, return water temperature data and aperture data of smart valve management valve etc. are included, when having abnormal in monitoring data,
Data are uploaded to MBUS host in time by subordinate computer node needs.
MBUS host computer polls communication mode is used in currently existing scheme, needs the MBUS host ceaselessly each slave section of poll
Point, slave reported data again.It has the disadvantage that first is that, real-time is poor, with more than 250 in usual MBUS bus
Subordinate computer node, host and the primary needs of each MBUS subordinate computer node communication were at 1.5 seconds or so, when subordinate computer node each in bus is visited
After the completion of asking, take a long time.Second is that increasing system power dissipation, the primary power consumption of each node visit is in 300mW or so.
Third is that there are problems that slave is unable to active reporting data, if slave needs to upload data, only wait until that host computer polls arrive
When slave, slave could upload data.
The real-time that this communication mode with MBUS host computer polls not only causes slave to upload data is poor, and in master
When wheel is ask, more electric energy are also wasted, traditional MBUS bus is reduced because of the communication mode of its own in multiple fields application
Adaptability.
Summary of the invention
It is an object of the invention to overcome the shortcomings of the prior art, to realize MBUS slave active reporting data function
Energy.
In order to achieve the above object, on the one hand, using a kind of MBUS bus communication, being used for MBUS host and MBUS slave
Between communication, include the following steps:
MBUS host passes through MBUS bus to MBUS slave visit order, so that MBUS slave uploads institute according to visit order
The data of acquisition are to MBUS host；
When MBUS host is more than that setting time t does not send visit order to a certain MBUS slave, determine that the MBUS slave accords with
Active reporting data qualification is closed, MBUS host receives the data of the MBUS slave active upload.
Further, further includes:
TTL signal is converted to the identifiable pulse voltage signal of MBUS slave as the access and ordered by the MBUS host
It enables；
The MBUS slave is converted into TTL letter by the pulse voltage signal that MBUS bus is sent by the MBUS host
Number, and received by the serial ports of MBUS host.
Further, in the MBUS host to before MBUS slave visit order, further includes:
The MBUS host distributes mailing address, slave letter according to the slave machine information remotely issued, to each MBUS slave
It include MBUS slave addresses in breath.
Further, further includes:
The MBUS host judges in MBUS bus according to the pulse current in MBUS bus with the presence or absence of more slave data
Concurrency conflict；
If so, the MBUS Host Administration MBUS bus, Xiang Suoshu MBUS slave, which is sent, uploads address command so that institute
It states MBUS slave and uploads slave addresses data to the MBUS host；
The MBUS host sends the visit order according to the slave addresses data received, Xiang Suoshu MBUS slave,
To read the MBUS slave data collected.
Further, the MBUS host judges to whether there is in MBUS bus according to the pulse current in MBUS bus
More slave Data Concurrent conflicts, comprising:
Judge whether the pulse current in the MBUS bus is greater than current setting value；
If so, determining that there are more slave Data Concurrent conflicts in the MBUS bus；
If not, it is determined that there are no more slave Data Concurrent conflicts in the MBUS bus.
Further, it is sent described to the MBUS slave after uploading address command, further includes:
The MBUS host receives the slave addresses data that the MBUS slave uploads in receiving time, and receiving time is
Product the time required to the quantity of MBUS slave and single MBUS slave transmission address.
Further, after the visit order that the MBUS slave receives that the MBUS host issues, meet described
The MBUS slave of active reporting data qualification successively uploads its address date to the MBUS master according to the delay sequence of setting
Machine.
On the other hand, using a kind of MBUS bus communication system, comprising: MBUS host, MBUS bus and n MBUS from
Machine, n MBUS slave are connect by MBUS bus with MBUS host, n >=1；MBUS slave includes Order receiver module, data hair
Module and judgment module are sent, MBUS host includes transceiver module, in which:
Transceiver module sends visit order to Order receiver module；
The visit order that data transmission blocks are received according to Order receiver module sends out MBUS slave data collected
It send to transceiver module；
Judgment module is for judging whether the transceiver module is more than that setting time t is not sent to it visit order；
Data transmission blocks determine that the MBUS slave meets active reporting data strip when judgment module output result is to be
Part, data transmission blocks actively send acquisition data to the module that receives；
Order receiver module when judgment module output result is no, order by the access for waiting the transceiver module to be received to issue
It enables.
Further, the MBUS host further includes arbitration process module and concurrency conflict detection module, the BUS from
Machine is connect through concurrency conflict detection module with arbitration process module, and arbitration process module is connect with the transceiver module；
Concurrency conflict detection module is used to be judged in MBUS bus according to the pulse current in MBUS bus with the presence or absence of more
Slave Data Concurrent conflict；
When there are the conflict of more slave Data Concurrents, concurrency conflict detection module sends bus level signal to arbitration process
Module；
Arbitration process module is used to be managed MBUS bus according to the bus level signal received, to the order
Receiving module, which is sent, uploads address command；
The data transmission blocks are sent after the Order receiver module receives and uploads address command to transceiver module
Slave addresses data；
Transceiver module sends the visit order to the Order receiver module according to slave addresses data.
Further, the concurrency conflict detection module includes judging unit and determination unit；
Judging unit is for judging whether the pulse current in the MBUS bus is greater than current setting value；
Determination unit is used to determine that there are more slave data in the MBUS bus when judging unit output result is to be
Concurrency conflict；
Determination unit is used to determine there are no more slave numbers in the MBUS bus when judging unit output result is no
According to concurrency conflict.
Compared with prior art, there are following technical effects by the present invention: MBUS bus communication of the invention includes just
Normal communication pattern and MBUS slave active upload mode, normal communication mode are as follows: MBUS Host Administration MBUS bus passes through host
The mode for actively accessing slave carries out data communication.MBUS slave active upload mode are as follows: issue visit order in MBUS host
After the completion, if being more than the still not sent next access instruction of setting time MBUS host, MBUS slave think MBUS bus into
Enter idle state, at this time when MBUS slave needs reported data, opens active reporting data pattern, MBUS slave directly uploads
Data normally receive data to MBUS host, MBUS.By adding MBUS slave active reporting data pattern, MBUS master is reduced
The poll frequency of machine, to reduce the power consumption of system.
Detailed description of the invention
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail:
Fig. 1 is a kind of flow diagram of MBUS bus communication；
Fig. 2 is the communications status figure between MBUS host and MBUS slave；
Fig. 3 is a kind of structural schematic diagram of MBUS bus communication system.
Specific embodiment
In order to further explain feature of the invention, reference should be made to the following detailed description and accompanying drawings of the present invention.Institute
Attached drawing is only for reference and purposes of discussion, is not used to limit protection scope of the present invention.
As Figure 1-Figure 2, present embodiment discloses a kind of MBUS bus communication, for MBUS host and MBUS from
Communication between machine includes the following steps S1 to S2:
S1, MBUS host pass through MBUS bus to MBUS slave visit order, so that MBUS slave is according on visit order
Data collected are passed to MBUS host；
When S2, MBUS host are more than that setting time t does not send visit order to a certain MBUS slave, the MBUS slave is determined
Meet active reporting data qualification, MBUS host receives the data of the MBUS slave active upload.
It should be noted that the MBUS bus operation mode in the present embodiment includes normal communication mode and MBUS from owner
Dynamic upper arq mode.Wherein, normal communication mode is MBUS host by MBUS bus to MBUS slave visit order, so that
MBUS slave uploads data collected to MBUS host according to visit order.MBUS slave active upload mode are as follows: in MBUS
After the completion of host issues visit order, if the still not sent next access instruction of MBUS host then needs after being more than setting time t
The MBUS slave active upload data of data are uploaded to MBUS host.
Specifically, the setting time t is determined according to the traffic rate of system, the setting time t in the present embodiment
Generally between 0.5s~3s.
It should be noted that MBUS is usually using 2400bps rate, each byte 10bit, one section of message is in 70 bytes
Left and right, host issue, and slave uploads again.Time t can be arranged in those skilled in the art accordingly.
Further, the TTL signal sent by serial ports is converted to the identifiable pulse electricity of MBUS slave by MBUS host
Press signal as the visit order；
The MBUS slave is converted into TTL letter by the pulse voltage signal that MBUS bus is sent by the MBUS host
Number, and received by the serial ports of MBUS host.
Specifically, MBUS slave is uploading data using pulse voltage signal, and size of current is 15~20mA.
It further, further include step S0: to MBUS slave in the MBUS host to before MBUS slave visit order
Address redefined, it is as follows that address redefines process:
The MBUS host distributes mailing address, slave letter according to the slave machine information remotely issued, to each MBUS slave
It include MBUS slave addresses in breath.
Specifically, when beginning to use local MBUS bus system, MBUS host according to the quantity of MBUS slave in system,
Using the MBUS slave news file remotely issued, MBUS slave in system is redistributed respectively using two byte data data
The mailing address of MBUS slave in MBUS bus communication behind, is communicated using for the new address that MBUS slave distributes.
Particularly, the traditional address of slave is set in product export, the address of usually 4-6 byte.This reality
It applies according to being done in MBUS bus with depending on the slave quantity carried in example, using 2 bytes, 1.5 bytes or 1 byte,
To improve traffic rate, call duration time is shortened.
Further, the present embodiment is also provided with competition conflict arbitration machine on the basis of above-described embodiment disclosure
System, specifically comprises the following steps:
S3, the MBUS host judge in MBUS bus according to the pulse current in MBUS bus with the presence or absence of more slaves
Data Concurrent conflict, thens follow the steps S4 if not, if so then execute step S5；
Reply data is issued after S4, MBUS host successful data reception；
S5, the MBUS Host Administration MBUS bus, Xiang Suoshu MBUS slave, which is sent, uploads address command so that described
MBUS slave uploads slave addresses data to the MBUS host；
According to the slave addresses data received, Xiang Suoshu MBUS slave sends the access life for S6, the MBUS host
It enables, to read the MBUS slave data collected.
It should be noted that in the present embodiment when conflicting on detecting MBUS bus there are multimachine Data Concurrent, starting
MBUS bus carries out the voltage communication mode that above-mentioned normal communication mode is controlled by MBUS host, and by under MBUS host broadcast
Multimachine Data Concurrent state is sent out, informs that there are the concurrent states of multimachine for MBUS slave.
Further, above-mentioned steps S3: the MBUS host judges MBUS bus according to the pulse current in MBUS bus
It is upper to whether there is more slave Data Concurrent conflicts, specifically include following subdivided step S31 to S33:
S31, judge whether the pulse current in the MBUS bus is greater than current setting value, if so then execute step S32,
S33 is thened follow the steps if not；
S32, determine that there are more slave Data Concurrent conflicts in the MBUS bus；
S33, determine there are no more slave Data Concurrent conflicts in the MBUS bus.
In practical applications, the communication current of single MBUS slave, will be electric in the present embodiment generally between 15~20mA
The value range for flowing setting value is arranged between 28mA~35mA.
Further, in above-mentioned steps S4, the MBUS slave uploads slave addresses data to the MBUS host, tool
Body are as follows: after MBUS slave receives the visit order that MBUS host issues, meet the MBUS of the active reporting data qualification
Slave successively uploads its address date to the MBUS host according to the delay sequence of setting.
It should be noted that the delay sequence of setting described in the present embodiment is according to the slave addresses redistributed multiplied by one
A time constant (single time constant 0.2S).The purpose is to only send the machine address, data when slave sends data again
Speckle is short, while avoiding clashing again.
Further, in above-mentioned steps S4, after MBUS host sends upload address command to the MBUS slave, also
Include:
The MBUS host receives the slave addresses data that the MBUS slave uploads in receiving time, and receiving time is
Product the time required to the quantity of MBUS slave and single MBUS slave transmission address.
It should be noted that by increasing multimachine concurrency conflict arbitration mechanism, optimization in MBUS host side in the present embodiment
Communication protocol is (when slave receives the concurrent state of multimachine that host issues, when the slave of active reporting data in need is delayed etc.
To upload its address date after the waiting time.After the completion of entire etc. to be recycled, host is according to the slave received
Location information uses the data communication of active access stencil and slave), when detecting the presence of multimachine concurrency conflict, Host Administration
Bus allows to need the slave of reported data to report address, and the address that host is reported further according to slave accesses slave, avoids
The generation of conflict reduces system power dissipation so that communication data is few and efficient by actively monitoring multimachine concurrency conflict.
As shown in figure 3, present embodiment discloses a kind of MBUS bus communication systems, comprising: MBUS host 10, MBUS bus
20 and n MBUS slave 30, n MBUS slave 30 is connect by MBUS bus 20 with MBUS host 10, n >=1；MBUS slave 30
Including Order receiver module, data transmission blocks and judgment module, MBUS host 10 includes transceiver module 11, in which:
Transceiver module 11 sends visit order to Order receiver module；
The visit order that data transmission blocks are received according to Order receiver module, by the data collected of MBUS slave 30
It is sent to transceiver module 11；
Judgment module is for judging whether the transceiver module 11 is more than that setting time t is not sent to it visit order；
Data transmission blocks determine that the MBUS slave 30 meets active reporting data when judgment module output result is to be
Condition, data transmission blocks actively send acquisition data to the module that receives；
Order receiver module is when judgment module output result is no, the access that waits the transceiver module 11 to be received to issue
Order.
Further, the MBUS host 10 further includes arbitration process module 12 and concurrency conflict detection module 13, institute
It states BUS slave and is connect through concurrency conflict detection module 13 with arbitration process module 12, arbitration process module 12 and the transmitting-receiving mould
Block 11 connects；
Concurrency conflict detection module 13 is used for according to the pulse current in MBUS bus 20, judge in MBUS bus 20 whether
There are more slave Data Concurrent conflicts；
When there are the conflict of more slave Data Concurrents, concurrency conflict detection module 13 is sent at bus level signal to arbitration
Manage module 12；
Arbitration process module 12 is used to be managed MBUS bus 20 according to the bus level signal received, Xiang Suoshu
Order receiver module, which is sent, uploads address command；
The data transmission blocks are sent out after the Order receiver module receives and uploads address command to transceiver module 11
Send slave addresses data；
Transceiver module 11 sends the visit order to the Order receiver module according to slave addresses data.
Further, the concurrency conflict detection module 13 includes judging unit and determination unit；
Judging unit is for judging whether the pulse current in the MBUS bus 20 is greater than current setting value；
Determination unit is used to determine that there are more slave numbers in the MBUS bus 20 when judging unit output result is to be
According to concurrency conflict；
Determination unit is used to determine in the MBUS bus 20 there are no more slaves when judging unit output result is no
Data Concurrent conflict.
It should be noted that there are following advantages for 20 communication mode of MBUS bus provided in this embodiment: (1) passing through simplification
Slave addresses improve communication efficiency；(2) allow slave active reporting mode, it is no longer necessary to which traditional host computer polls mode reduces
Power consumption；(3) collision detection and arbitration mechanism allow slave only to report address mode, shorten call duration time, improve efficiency, and reduce
Power consumption；(4) slave active reporting mode expands the application mode of MBUS bus 20, improves applicability.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of MBUS bus communication, which is characterized in that for the communication between MBUS host and MBUS slave, comprising:
MBUS host, to MBUS slave visit order, is acquired by MBUS bus so that MBUS slave is uploaded according to visit order
Data to MBUS host；
When MBUS host is more than that setting time t does not send visit order to a certain MBUS slave, determine that the MBUS slave meets master
Dynamic reported data condition, MBUS host receive the data of the MBUS slave active upload.
2. MBUS bus communication as described in claim 1, which is characterized in that further include:
TTL signal is converted to the identifiable pulse voltage signal of MBUS slave as the visit order by the MBUS host；
The MBUS slave is converted into TTL signal by the pulse voltage signal that MBUS bus is sent by the MBUS host, and
It is received by the serial ports of MBUS host.
3. MBUS bus communication as described in claim 1, which is characterized in that visited in the MBUS host to MBUS slave
Before asking order, further includes:
The MBUS host distributes mailing address according to the slave machine information remotely issued, to each MBUS slave, should be from machine information
It include MBUS slave addresses.
4. MBUS bus communication as claimed in claim 2, which is characterized in that further include:
The MBUS host judges in MBUS bus according to the pulse current in MBUS bus with the presence or absence of more slave Data Concurrents
Conflict；
If so, the MBUS Host Administration MBUS bus, Xiang Suoshu MBUS slave, which is sent, uploads address command so that described
MBUS slave uploads slave addresses data to the MBUS host；
The MBUS host sends the visit order according to the slave addresses data received, Xiang Suoshu MBUS slave, to read
Take the MBUS slave data collected.
5. MBUS bus communication as claimed in claim 4, which is characterized in that the MBUS host is according in MBUS bus
Pulse current, judge in MBUS bus with the presence or absence of more slave Data Concurrent conflicts, comprising:
Judge whether the pulse current in the MBUS bus is greater than current setting value；
If so, determining that there are more slave Data Concurrent conflicts in the MBUS bus；
If not, it is determined that there are no more slave Data Concurrent conflicts in the MBUS bus.
6. MBUS bus communication as claimed in claim 4, which is characterized in that sent described to the MBUS slave
After ordering by reference, further includes:
The MBUS host receives the slave addresses data that the MBUS slave uploads, receiving time MBUS in receiving time
Product the time required to the quantity of slave and single MBUS slave transmission address.
7. MBUS bus communication as claimed in claim 4, which is characterized in that received in the MBUS slave described
After the visit order that MBUS host issues, the MBUS slave for meeting the active reporting data qualification is suitable according to the delay of setting
Sequence successively uploads its address date to the MBUS host.
8. a kind of MBUS bus communication system characterized by comprising MBUS host, MBUS bus and n MBUS slave, n
MBUS slave is connect by MBUS bus with MBUS host, n >=1；MBUS slave includes Order receiver module, data transmission blocks
And judgment module, MBUS host include transceiver module, in which:
Transceiver module sends visit order to Order receiver module；
MBUS slave data collected are sent to by the visit order that data transmission blocks are received according to Order receiver module
Transceiver module；
Judgment module is for judging whether the transceiver module is more than that setting time t is not sent to it visit order；
Data transmission blocks determine that the MBUS slave meets active reporting data qualification when judgment module output result is to be,
Data transmission blocks actively send acquisition data to the module that receives；
Order receiver module is when judgment module output result is no, the visit order that waits the transceiver module to be received to issue.
9. MBUS bus communication system as claimed in claim 8, which is characterized in that the MBUS host further includes at arbitration
Reason module and concurrency conflict detection module, the BUS slave are connect through concurrency conflict detection module with arbitration process module, are arbitrated
Processing module is connect with the transceiver module；
Concurrency conflict detection module is used to be judged in MBUS bus according to the pulse current in MBUS bus with the presence or absence of more slaves
Data Concurrent conflict；
When there are the conflict of more slave Data Concurrents, concurrency conflict detection module sends bus level signal to arbitration process mould
Block；
Arbitration process module is used to be managed MBUS bus according to the bus level signal received, receives to the order
Module, which is sent, uploads address command；
The data transmission blocks send slave after the Order receiver module receives and uploads address command, to transceiver module
Address date；
Transceiver module sends the visit order to the Order receiver module according to slave addresses data.
10. MBUS bus communication system as claimed in claim 9, which is characterized in that the concurrency conflict detection module includes
Judging unit and determination unit；
Judging unit is for judging whether the pulse current in the MBUS bus is greater than current setting value；
Determination unit is used to determine that there are more slave Data Concurrents in the MBUS bus when judging unit output result is to be
Conflict；
Determination unit is used to determine there are no more slave data in the MBUS bus simultaneously when judging unit output result is no
Hair conflict.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327114A (en) * | 2020-03-11 | 2020-06-23 | 瑞纳智能设备股份有限公司 | MBUS bus power supply system and multi-slave node load balancing method |
| CN112398716A (en) * | 2020-11-12 | 2021-02-23 | 深圳云顶智慧科技有限公司 | Low-cost MBUS host circuit |
| CN115085758A (en) * | 2022-06-10 | 2022-09-20 | 贵州电网有限责任公司 | Dual-transceiver multi-mode RS-485 communication host and working method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100332698A1 (en) * | 2009-06-29 | 2010-12-30 | Sun Microsystems, Inc. | Efficient buffer management in a multi-threaded network interface |
| CN103023738A (en) * | 2011-09-23 | 2013-04-03 | 深圳市迈纬汽车电子有限公司 | Method for controlling vehicle bus network communication |
| CN103092798A (en) * | 2012-12-28 | 2013-05-08 | 华为技术有限公司 | On-chip system and method for accessing to equipment under bus |
| CN103473903A (en) * | 2013-09-30 | 2013-12-25 | 无锡健科智能科技有限公司 | Remote monitoring system of remote water meter |
| CN104064007A (en) * | 2014-06-05 | 2014-09-24 | 中国航天科技集团公司第五研究院第五一三研究所 | Centralized meter reading system |
| CN108733604A (en) * | 2018-05-11 | 2018-11-02 | 深圳市脉联电子有限公司 | A kind of 485 bus intelligent expansion method and devices based on modbus communications protocol |
| CN108931035A (en) * | 2018-07-30 | 2018-12-04 | 宁波奥克斯电气股份有限公司 | A kind of control method and device of air-conditioning real-time communication |
-
2019
- 2019-09-27 CN CN201910927572.7A patent/CN110474828B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100332698A1 (en) * | 2009-06-29 | 2010-12-30 | Sun Microsystems, Inc. | Efficient buffer management in a multi-threaded network interface |
| CN103023738A (en) * | 2011-09-23 | 2013-04-03 | 深圳市迈纬汽车电子有限公司 | Method for controlling vehicle bus network communication |
| CN103092798A (en) * | 2012-12-28 | 2013-05-08 | 华为技术有限公司 | On-chip system and method for accessing to equipment under bus |
| CN103473903A (en) * | 2013-09-30 | 2013-12-25 | 无锡健科智能科技有限公司 | Remote monitoring system of remote water meter |
| CN104064007A (en) * | 2014-06-05 | 2014-09-24 | 中国航天科技集团公司第五研究院第五一三研究所 | Centralized meter reading system |
| CN108733604A (en) * | 2018-05-11 | 2018-11-02 | 深圳市脉联电子有限公司 | A kind of 485 bus intelligent expansion method and devices based on modbus communications protocol |
| CN108931035A (en) * | 2018-07-30 | 2018-12-04 | 宁波奥克斯电气股份有限公司 | A kind of control method and device of air-conditioning real-time communication |
Non-Patent Citations (1)
| Title |
|---|
| 卢立苹: "《基于电力载波的热计量信息远传系统的设计》", 《创意与实践》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327114A (en) * | 2020-03-11 | 2020-06-23 | 瑞纳智能设备股份有限公司 | MBUS bus power supply system and multi-slave node load balancing method |
| CN111327114B (en) * | 2020-03-11 | 2023-02-03 | 瑞纳智能设备股份有限公司 | MBUS bus power supply system and multi-slave node load balancing method |
| CN112398716A (en) * | 2020-11-12 | 2021-02-23 | 深圳云顶智慧科技有限公司 | Low-cost MBUS host circuit |
| CN115085758A (en) * | 2022-06-10 | 2022-09-20 | 贵州电网有限责任公司 | Dual-transceiver multi-mode RS-485 communication host and working method |
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