CN106023575A - Communication method and system of II type collector - Google Patents
Communication method and system of II type collector Download PDFInfo
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- CN106023575A CN106023575A CN201610423314.1A CN201610423314A CN106023575A CN 106023575 A CN106023575 A CN 106023575A CN 201610423314 A CN201610423314 A CN 201610423314A CN 106023575 A CN106023575 A CN 106023575A
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- 238000004891 communication Methods 0.000 title claims abstract description 131
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012546 transfer Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 3
- 238000011161 development Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 238000012806 monitoring device Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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Abstract
The invention discloses a communication method of an II type collector. The method includes the following steps that a communication module of a collector is set in a mode that a channel switching signal is provided for the collector MCU; the collector starts to wait for receiving data of the communication module after being powered on and selects to transfer the received data to a 485 or infrared channel through the channel switching signal; when the 485 or infrared channel receives data, whether data are transmitted to the communication module or not is selected through the channel switching signal. Only a chip function pin of the communication module of the collector needs to be added simply, the collector MCU conducts processing according to the channel switching signal provided by the communication module and a received effective signal so that the infrared and 485 can conduct communication by sharing a first serial port of the communication module when conducting communication, and the collector MCU only needs to achieve channel switching, so that hardware cost is greatly lowered, and resource waste is avoided; meanwhile, the II type collector designed by the scheme is compatible of communication modules of any scheme, and development efficiency is improved.
Description
Technical field
The present invention relates to ammeter's reading meter field, particularly relate to communication means and the system of a kind of II type harvester.
Background technology
Lead the improvement stage along with State Grid Corporation of China power information acquisition system construction enters, intelligent grid framework uses telecommunications
Having a kind of meter reading method in breath acquisition system is that II type harvester is connected with 485 interfaces of ammeter by 485 lines, and concentrator passes through
Carrier wave or wireless communication mode is used to build with II type harvester.Meanwhile, for convenience of safeguarding, also add infrared logical
Telecommunication function.So generally II type harvester is selecting MCU when, at least need the MCU with two serial ports.
And II type harvester develops into now, according to communication mode difference have arrowband, OFDM, broadband, micropower is wireless, with
The too communication module such as net.In order to protect intellectual property, the producer doing communication module at present provides only communication module chip, harvester
Typically must also the form of band MCU produce, and MCU at least to carry 3 physical serial interface, causes the cost increased many,
Cost pressure is increasing.
Therefore, it is necessary to design the II type harvester of a kind of low cost.
Summary of the invention
Present invention aim at providing the function of a kind of only simple extension communication module, harvester MCU need not any physics string
Mouthful, use communication means and the system of the II type harvester of " waveform reduction " process thought, to solve existing II type harvester
This high technical problem.
For achieving the above object, the invention provides the communication means of a kind of II type harvester, comprise the following steps:
It is set to the communication module of harvester be supplied to harvester MCU channel switching signal；
Harvester starts waiting for receiving the data of communication module after powering on, and selects to turn the data of reception by channel switching signal
Issue 485 or infrared channel；
When 485 or infrared channel have data receiver time, choose whether to transfer data to communication module by channel switching signal.
Further improvement as said method:
The communication module of harvester is set to be also provided to harvester MCU reception useful signal (avoids half-duplex operation to rush
Prominent)；Harvester starts waiting for receiving the data of communication module after powering on, and is selected by channel switching signal and reception useful signal
The data of reception are transmitted to 485 or infrared channel；When 485 or infrared channel have data receiver time, by passage switching letter
Number receive useful signal choose whether to transfer data to communication module.
Channel switching signal and reception useful signal control I/O port by communication module and arrange realization, and are connected to harvester MCU
Corresponding I/O port.
Present invention also offers the communication means of another kind of II type harvester, comprise the following steps:
S1: after powering on, II type harvester MCU starts waiting for receiving communication module or infrared channel data, and by passage switching letter
Number acquiescence select infrared channel be connected with communication module, reception useful signal be defaulted as effectively；Channel switching signal selects II type to adopt
The control I/O port of storage MCU is arranged；
S2: if receiving communication module data, then channel switching signal selects 485 passages to be connected with communication module, and same immediately
Step forwarding data are to descending 485 passages, and wait for forwarding or response time-out；
After S3:485 passage issues data, if there being data to return, synchronize the most immediately to be transmitted to communication module, and in data
Forwarding completes or after time-out, changes channel switching signal and selects infrared channel to be connected with communication module.
Further improvement as said method:
After step S3 completes, method also includes:
S4: if receiving infrared channel data, owing to channel switching signal acquiescence selects infrared channel to be connected with communication module, number
It is transmitted to harvester according to step S2 and step S3 to communication module, communication module after receiving data according to synchronizing forwarding data immediately
MCU process；
S5: if S4 receives data after completing, channel switching signal also returns to infrared channel and is connected with communication module, then same
Step forwards data to infrared channel, completes infrared data communication.
As total technology design, present invention also offers the communication system of a kind of II type harvester, including:
Communication module, is set to be supplied to harvester MCU channel switching signal；
Harvester MCU, for starting waiting for receiving the data of communication module after harvester powers on, and passes through channel switching signal
Select the data of reception are transmitted to 485 or infrared channel；Be additionally operable to when 485 or infrared channel have data receiver time, pass through
Channel switching signal chooses whether to transfer data to communication module.
Further improvement as said system:
Communication module is also configured to be supplied to harvester MCU and receives useful signal；
Harvester MCU, for starting waiting for receiving the data of communication module after harvester powers on, and passes through channel switching signal
Select the data of reception are transmitted to 485 or infrared channel with receiving useful signal；Be additionally operable to when 485 or infrared channel have number
According to when receiving, receive useful signal by channel switching signal and choose whether to transfer data to communication module.
Channel switching signal and reception useful signal control I/O port by communication module and arrange realization, and are connected to harvester MCU
Corresponding I/O port, channel switching signal acquiescence select infrared channel be connected with communication module, reception useful signal be defaulted as effectively.
The method have the advantages that
1, communication module has only to 1 road serial ports with the connection of 485 and infrared channel, by the function of simple extension communication module,
Described by the way of switching signal so that infrared with 485 when communicating, 1 road serial ports of common user communication module communicates,
Harvester MCU has only to realize passage and switches, thus greatly reduce hardware cost, it is to avoid the wasting of resources；Meanwhile,
The communication module of the II type harvester compatible any scheme of energy of program design, improves development efficiency.
2, the hardware of harvester MCU can be reduced most possibly in the case of simple increase communication module chip functions pin
Cost；The market price can be selected generally the least expensive and the simplest chip microcontroller of hardware resource, and support communication module chip completely
Data forward and baud rate self-adapting.The method is applicable to any uplink communication module scheme.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.Below
With reference to the accompanying drawings, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, the illustrative examples of the present invention and
Its explanation is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the communication system of the II type harvester of the preferred embodiment of the present invention；
Fig. 2 is the flow chart of the communication means of the II type harvester of the preferred embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can be defined by the claims and cover
Multitude of different ways implement.
Embodiment 1:
See Fig. 1, Fig. 2, the communication means of the II type harvester of the present embodiment, comprise the following steps:
It is set to the communication module of harvester be supplied to harvester MCU channel switching signal；
Harvester starts waiting for receiving the data of communication module after powering on, and selects to turn the data of reception by channel switching signal
Issue 485 or infrared channel；
When 485 or infrared channel have data receiver time, choose whether to transfer data to communication module by channel switching signal.
In actual applications, can improve as follows:
The communication module of harvester is set to is also provided to harvester MCU and receives useful signal；In view of 485 or infrared it is all
Half-duplex operation, in order to avoid makeing mistakes, is used for controlling communication module serial port data forwarding to 485 or red so receiving useful signal
Outer tunnel does not allow the when of transmission to synchronize to receive.Harvester starts waiting for receiving the data of communication module after powering on, and by logical
Road switching signal and reception useful signal select the data of reception are transmitted to 485 or infrared channel；When 485 or infrared channel
When having data receiver, receive useful signal by channel switching signal and choose whether to transfer data to communication module.
See Fig. 1, channel switching signal and reception useful signal and be all connected to harvester by the control I/O port of communication module
The corresponding I/O port of MCU arranges realization.
Embodiment 2:
See Fig. 1, Fig. 2, the communication means of the II type harvester of the present embodiment, comprise the following steps:
S1: after powering on, II type harvester MCU starts waiting for receiving communication module or infrared channel data, and by passage switching letter
Number acquiescence select infrared channel be connected with communication module, reception useful signal be defaulted as effectively；Channel switching signal selects II type to adopt
The control I/O port of storage MCU is arranged；
S2: if receiving communication module data, then channel switching signal selects 485 passages to be connected with communication module, and same immediately
Step forwarding data are to descending 485 passages, and wait for forwarding or response time-out；
After S3:485 passage issues data, if there being data to return, synchronize the most immediately to be transmitted to communication module, and in data
Forwarding completes or after time-out, changes channel switching signal and selects infrared channel to be connected with communication module.
S4: if receiving infrared channel data, owing to channel switching signal acquiescence selects infrared channel to be connected with communication module, number
It is transmitted to harvester according to step S2 and step S3 to communication module, communication module after receiving data according to synchronizing forwarding data immediately
MCU process；
S5: if S4 receives data after completing, channel switching signal also returns to infrared channel and is connected with communication module, then same
Step forwards data to infrared channel, completes infrared data communication.
In above-mentioned steps, channel switching signal and reception useful signal select truth table as shown in table 1, S1 (reception useful signal)
When being 0, communication module serial ports receives and lost efficacy；When being 1, communication module serial ports receives effectively.Referring to following truth table:
Table 1:
In comparison Fig. 1, table 1, it is known that: in order to receive useful signal, (when being 0, it is invalid that communication module serial ports receives S1；It is 1
Time communication module serial ports receive effectively)；S2 be channel switching signal (be when 0, to select 485 passages；It is when 1, to select infrared leading to
Road).During actual application, the true value of 1,0 selects automatically to be arranged according to signal intelligence by communication module program, is used for controlling to gather
The channels operation of device MCU.
Embodiment 3:
See Fig. 1, Fig. 2, corresponding with embodiment 1, the communication system of the II type harvester of the present embodiment, including:
Communication module, is set to be supplied to harvester MCU channel switching signal；
Harvester MCU, for starting waiting for receiving the data of communication module after harvester powers on, and passes through channel switching signal
Select the data of reception are transmitted to 485 or infrared channel；Be additionally operable to when 485 or infrared channel have data receiver time, pass through
Channel switching signal chooses whether to transfer data to communication module.
In actual application, communication module is also configured to be supplied to harvester MCU and receives useful signal, it is to avoid half-duplex operation conflict；
Harvester MCU, for starting waiting for receiving the data of communication module after harvester powers on, and passes through channel switching signal
Select the data of reception are transmitted to 485 or infrared channel with receiving useful signal；Be additionally operable to when 485 or infrared channel have number
According to when receiving, receive useful signal by channel switching signal and choose whether to transfer data to communication module.
Channel switching signal and reception useful signal all arrange realization, passage by the control I/O port of communication module and harvester MCU
Switching signal acquiescence selects infrared channel to be connected with communication module, receives useful signal and is defaulted as effectively.
Application examples 1:
This kind of mode is applied on traditional narrowband carrier II type harvester.On-the-spot II type harvester A uses embodiment 2
Method and the structure of embodiment 3, it is improved by hardware and software on existing II type harvester and realizes, accomplishes to reduce
While cost and convenient exploitation realize, function is also to maintain with existing main flow harvester is consistent and is able to verify that and passes through.By connecting
EBI has ammeter B1, B2, B3, organizes one and is formed collection kilowatt meter reading-out system by concentrator+II type harvester A.
Specifically, for checking 485 communication, powering on after II type harvester A comes into operation, first II harvester enters and searches table
Circulation, is connected on EBI by 485 monitoring devices, is monitored, and can monitor and complete, orderly search table
Command frame.When searching after table completes, checked meter by concentrator, monitoring device is seen, order that what concentrator issued check meter,
After monitoring ammeter acknowledgement frame, it can be seen that concentrator shows checks meter successfully.Checking infrared communication, used here as infrared palm
Machine carries out test of checking meter, and checks meter after order when infrared palm machine sends, in monitoring device, and what machine of can slapping issued check meter command frame,
Equally, when monitoring device monitors acknowledgement frame, palm machine shows the data that copy reading is arrived.
Verify further the success rate of checking meter of this kind of scheme, on concentrator three sections of ammeters are set and attach most importance to user, make concentrator every
Copy reading mode once every other hour, carries out testing one week, is then led off copy reading daily record on concentrator, and by analyzing, copy reading becomes
Power is 100%.
Application examples 2:
This kind of mode is applied on the bandwidth carrier II type harvester of traditional state-of-the-art technology.On-the-spot II type harvester A with
Application examples 1 is identical, has ammeter B1, B2, B3 by junctor highway interface, organizes one and is formed collection by concentrator+II type harvester A
Kilowatt meter reading-out system.
Specifically, first verifying that 485 communications, power on after II type harvester A comes into operation, first II harvester enters and searches
Table circulates, and is connected on EBI by 485 monitoring devices, is monitored, can monitor complete, orderly searching
Table command frame.When searching after table completes, checked meter by concentrator, monitoring device is seen, life that what concentrator issued check meter
Order, after monitoring ammeter acknowledgement frame, it can be seen that concentrator shows checks meter successfully.Checking infrared communication, used here as red
Outer palm machine carries out test of checking meter, and checks meter after order when infrared palm machine sends, in monitoring device, and life that what machine of can slapping issued check meter
Make frame, equally, when monitoring device monitors acknowledgement frame, palm machine shows the data that copy reading is arrived.
Verify further the success rate of checking meter of this kind of scheme, on concentrator three sections of ammeters are set and attach most importance to user, make concentrator every
Copy reading mode once every other hour, carries out testing one week, is then led off copy reading daily record on concentrator, and by analyzing, copy reading becomes
Power is 100%.
In summary, the present invention is high by the hardware cost for existing II type harvester, and the wasting of resources, harvester MCU is even
Also needing to be concerned about the special handling etc. with communication module chip, this method for designing can significantly reduce cost, improves resource utilization.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (8)
1. the communication means of an II type harvester, it is characterised in that comprise the following steps:
It is set to the communication module of harvester be supplied to harvester MCU mono-channel switching signal；
Harvester starts waiting for receiving the data of communication module after powering on, and selects to turn the data of reception by channel switching signal
Issue 485 or infrared channel；
When 485 or infrared channel have data receiver time, choose whether to transfer data to communication module by channel switching signal.
The communication means of II type harvester the most according to claim 1, it is characterised in that by the communication module of harvester
It is set to be also provided to harvester MCU mono-and receives useful signal；
Harvester starts waiting for receiving the data of communication module after powering on, and is selected by channel switching signal and reception useful signal
The data of reception are transmitted to 485 or infrared channel；
When 485 or infrared channel have data receiver time, by channel switching signal receive useful signal choose whether by data pass
It is defeated by communication module.
The communication means of II type harvester the most according to claim 2, it is characterised in that described channel switching signal and
The corresponding I/O port that reception useful signal is connected to harvester MCU by the control I/O port of communication module arranges realization.
4. the communication means of an II type harvester, it is characterised in that comprise the following steps:
S1: after powering on, II type harvester MCU starts waiting for receiving communication module or infrared channel data, and by passage switching letter
Number acquiescence select infrared channel be connected with communication module, reception useful signal be defaulted as effectively；Described channel switching signal selects II
The control I/O port of type harvester MCU is arranged；
S2: if receiving communication module data, then channel switching signal selects 485 passages to be connected with communication module, and same immediately
Step forwarding data are to descending 485 passages, and wait for forwarding or response time-out；
After S3:485 passage issues data, if there being data to return, synchronize the most immediately to be transmitted to communication module, and in data
Forwarding completes or after time-out, changes channel switching signal and selects infrared channel to be connected with communication module.
The communication means of II type harvester the most according to claim 4, it is characterised in that after described step S3 completes,
Described method also includes:
S4: if receiving infrared channel data, data synchronize immediately to forward data to communication module, after communication module reception data
It is transmitted to harvester MCU process according to step S2 and step S3；
S5: if S4 receives data after completing, channel switching signal also returns to infrared channel and is connected with communication module, then same
Step forwards data to infrared channel, completes infrared data communication.
6. the communication system of an II type harvester, it is characterised in that including:
Communication module, is set to be supplied to harvester MCU mono-channel switching signal；
Harvester MCU, for starting waiting for receiving the data of communication module after harvester powers on, and passes through channel switching signal
Select the data of reception are transmitted to 485 or infrared channel；Be additionally operable to when 485 or infrared channel have data receiver time, pass through
Channel switching signal chooses whether to transfer data to communication module.
The communication system of II type harvester the most according to claim 6, it is characterised in that described communication module also sets up
Useful signal is received for being supplied to harvester MCU mono-；
Described harvester MCU, for starting waiting for receiving the data of communication module after harvester powers on, and is switched by passage
Signal and reception useful signal select the data of reception are transmitted to 485 or infrared channel；It is additionally operable to when 485 or infrared channel
When having data receiver, receive useful signal by channel switching signal and choose whether to transfer data to communication module.
The communication system of II type harvester the most according to claim 7, it is characterised in that described channel switching signal and
Receive useful signal and all realization, the acquiescence choosing of described channel switching signal are set by the control I/O port of communication module and harvester MCU
Selecting infrared channel to be connected with communication module, described reception useful signal is defaulted as effectively.
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| CN201610423314.1A CN106023575B (en) | 2016-06-15 | 2016-06-15 | Communication method and system of II-type collector |
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| WO2018107426A1 (en) * | 2016-12-15 | 2018-06-21 | 瑞斯康微电子（深圳）有限公司 | Type ii collector, and data collection method and system |
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| CN106023575B (en) | 2020-12-15 |
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