CN106651648A - Data collection and protocol conversion method for shore power connecting technology of ship reaching port - Google Patents
Data collection and protocol conversion method for shore power connecting technology of ship reaching port Download PDFInfo
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- CN106651648A CN106651648A CN201611110332.0A CN201611110332A CN106651648A CN 106651648 A CN106651648 A CN 106651648A CN 201611110332 A CN201611110332 A CN 201611110332A CN 106651648 A CN106651648 A CN 106651648A
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- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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Abstract
The invention relates to a data collection and protocol conversion method for a shore power connecting technology of a ship reaching a port. The method comprises that operation data of passive short power equipment is collected actively, and written into a corresponding global variable; operation data of active short power equipment is monitored and collected, and written into a corresponding global variable; and protocol conversion is carried out on all operation data collected actively or by monitoring, and the data is sent to a front-end processor of communication. On the basis of short power technical theories, equipments of different manufactures and protocols can be connected to one communication management device, and then uploaded to the front-end processor of communication via Ethernet interface, the hardware cost of a monitoring system is reduced, the operability of the monitoring system is improved, and the method is conducive to function expansion, application and popularization of the monitoring system later.
Description
Technical field
The present invention relates to the data processing of the shore-side power for vessels in ports that reaches port, connects more particularly, to a kind of for the ship that reaches port
Data acquisition and stipulations conversion method with bank electricity technology.
Background technology
When the shore-side power for vessels in ports that reaches port refers to that ship pool goes to dock, stop all of boat diesel engine power station operation,
Using technology of the land power supply to the ship power supply that reaches port.By shore electric power to ship power supply, it is possible to decrease pollute waste gas in Gangkou District
Discharge capacity.Bank electricity technology is produced in the case where the background at " green harbour " is carried out by country, is that harbour solves noise, reduces environment
The effective means of pollution.Shipping shore power system can provide reliable power supply to the ship that reaches port, and to reach the purpose of energy-saving and emission-reduction, this is
Harbour and a much progress in ship power supply field.Therefore, the ship that reaches port use bank electricity technology, to reach port ship reduce electricity consumption into
Originally, improve power supplying efficiency and reduce environmental pollution and be significant.But there are various bank electricities in existing bank electricity system
Equipment, it is difficult to which all of equipment is monitored and information gathering in the electric system of same time opposite bank, therefore, if can solve to adopt simultaneously
Collection communication apparatus and bank electricity equipment and the effective communication between far-end server, it will improve the operability of monitoring system,
And effectively improve operating efficiency.
The content of the invention
The purpose of the present invention is exactly the defect in order to overcome above-mentioned prior art to exist and provides a kind of reduces cost, raising
The data acquisition for the shore-side power for vessels in ports that reaches port of monitoring operability and stipulations conversion method.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of data acquisition for the shore-side power for vessels in ports that reaches port and stipulations conversion method, including：
Active collection is carried out to the service data of passive bank electricity equipment, corresponding global variable is written to；
The service data of active bank electricity equipment is carried out intercepting collection, corresponding global variable is written to；
All service datas that the active gathered and intercepted collection are carried out into stipulations conversion, and sends preposition to communicating
Machine.
The passive bank electricity equipment includes high-voltage board, transformer case and frequency-charger cabinet.
The active bank electricity equipment includes remote-terminal unit.
The active collection is specially：
101) initialization system clock, serial ports and I/O port successively；
102) generate call together observe and predict text instruction be added to task queue；
103) one is read from the task queue to call together and observe and predict literary instruction, this is called together and is observed and predicted text instruction and is sent to by serial ports
Passive bank electricity equipment；
104) returned data in serial ports buffering area is read；
105) returned data is processed, is written to corresponding global variable；
106) exit instruction has been detected whether, serial ports has if so, then been closed, the resource that serial ports takes has been discharged, if it is not, then returning
Step 103), continue gathered data.
Described calling together is observed and predicted text instruction and includes that telemetry command and remote signalling are instructed.
It is described to intercept collection and be specially：
201) initialization system clock and serial ports, empty I/O buffer；
202) serial ports is successively read byte data, judges the value of byte data, and is performed according to the value of the byte data
Corresponding read operation, obtains the data message that active bank electricity equipment is uploaded；
203) data message is processed；
204) exit instruction has been detected whether, serial ports has if so, then been closed, the resource that serial ports takes has been discharged, if it is not, then returning
Step 202), start next round data acquisition.
The step 203) in, process the data message and be specially：
Data message character string is read, character string is converted into character array, the character array includes function code；
Read the function code and the classification of data message is carried out according to function code；
Check code checking is carried out to sorted data message, if check code is correct, read data is recorded, is carried out
The process of next data message, if incorrect, directly carries out the process of next data message.
The classification of the data message includes event message, telemetry message and remote signalling data message.
The stipulations conversion is specially：
301) create a TCP to intercept, determine whether to communicate front end processor connection by the detectaphone；
302) when there is communication front end processor to connect, the tcp data of setting byte is read, recognizes read tcp data, root
Corresponding operating is performed according to recognition result, the corresponding operating includes activation data transfer, receives test command, onshore electric equipment
Send single-point guidance command, onshore electric equipment to send two point guidance command and send all service datas of collection in batches.
The step 302) include：
321) tcp data of 2 bytes is read, judges whether wrong, if so, then execution step 322), if it is not, then performing institute
State the operation of the tcp data for reading setting byte；
322) whether the data for judging global variable change, and if so, then the data for changing are uploaded into communication
Front end processor, if it is not, then return to step 321).
Compared with prior art, the present invention has advantages below：
1) present invention can conveniently realize data acquisition and stipulations conversion, different manufacturers, the equipment connection of different stipulations
To a communication management apparatus, then communication front end processor is uploaded to by Ethernet interface, reduces the hardware cost of monitoring system,
The operability of monitoring system is also improved simultaneously, beneficial to monitoring system Function Extension and application from now on.
2) present invention is conducive to monitoring system Function Extension and application from now on.
3) data transmission, can only upload the data for changing, and thus can save Internet resources, and can in time more
The information content of kainogenesis change.
4) the three of the product of outsourcing before the hardware of system adopts the STM32 embedded platforms of current popular, price to only have
1/10th, exploitation software adopts LabVIEW pattern development platforms, can be according to requirement of engineering, fast construction system framework, greatly
Width improves development efficiency.
5) system of independent research can access the data acquisition equipment of Standards Code, it is also possible to independent development program, access
The collecting device of non-standard stipulations, expands the use range of system.
6) system hardware small volume, it is low in energy consumption, in being desirably integrated into big data collecting system, it is not take up excessive space
And power supply power consumption.
Description of the drawings
Fig. 1 is bank electricity information management and monitoring system overall framework figure；
Fig. 2 is data collecting card hardware architecture diagram in embodiment；
Fig. 3 is the flow chart of active gathered data of the present invention；
Fig. 4 is the flow chart that the present invention intercepts gathered data；
Fig. 5 is the process chart of RTU communication packets；
Fig. 6 is the stipulations flow path switch figure of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in detail with specific embodiment.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
According to the functional requirement of engineering project, information management can be divided into four layers with monitoring general frame：Upper system (port area
Electric power monitoring system), management and supervisory layers, communication and supervisory layers and mechanical floor on the spot, as shown in Figure 1.Wherein, port area electric power prison
Control system realizes the monitoring and control to whole power supply in port area information.It is each that communication mainly completes bank electricity system with supervisory layers on the spot
The information integration of electrical equipment and operation control management, are connected between each regulator cubicle and data acquisition equipment by industry data bus
Connect, each equipment cooperates and completes bank electricity information management jointly with the task of monitoring.Management and supervisory layers are according to harbour electric power
The data that the operation flow opposite bank electric equipment of monitoring is collected are integrated, and realize long-range information management, operation monitoring, control
The inquiry of system, data storage, video monitoring and historical data, report generation, printing and Web issuing functions, and be supplied to corresponding
Data are to each business department.Mechanical floor has the capital equipment of shore electric power, realizes electrical network 10kV/50Hz electricity consumptions to ship
The conversion of 460V/60Hz.
The data acquisition of the present invention is implemented in communication and supervisory layers on the spot, the method shown in Fig. 1 with stipulations conversion method
Mainly the equipment such as high-voltage board, transformer case, frequency-charger cabinet, RTU (remote-terminal unit) cabinet are entered by RS485 and RS232
Row real-time data acquisition, and realize ethernet communication with communication front end processor.The method is comprised the following steps：
Active collection is carried out to the service data of passive bank electricity equipment, corresponding global variable, the passive bank is written to
Electric equipment includes high-voltage board, transformer case and frequency-charger cabinet；
The service data of active bank electricity equipment is carried out intercepting collection, corresponding global variable, the active bank is written to
Electric equipment includes remote-terminal unit；
All service datas that the active gathered and intercepted collection are carried out into stipulations conversion, and sends preposition to communicating
Machine.
As shown in Fig. 2 in the present embodiment, actively collection is carried out to the service data of passive bank electricity equipment and is specifically included：
101：System clock initialize, in order to ensure initialization of (a) serial ports after baud rate be correct, need to STM32 systems
System clock carries out frequency multiplication operation, initialization system clock.
102：Initialization of (a) serial ports, the parameter of initialization of (a) serial ports is relatively more, except basic serial ports name (COM1～COM5), ripple
Special rate (4800～115200), data bit (8～9bits), verification (without, even-odd check), stop position (1.0,1.5,2.0bit)
Outside, also two important parameters：" reading full stop " and " whether enabling full stop ".
103：IO is initialized, and is selected the I/O port required for communication, is arranged input pattern, opens IO clocks.
104：Data acquisition, is that the equipment accessed in each COM1 arranges a unique address, according to producer
The communications protocol of offer, generates to call together and observes and predicts text instruction to task queue, and calling together to observe and predict text and instruct includes telemetry command and remote signalling instruction.
105：Read from telemetry command queue and call survey order together, into step 107 and 108.
106：Read from remote signalling instruction queue and call survey order together, into step 107 and 108.
107：Enable RS485 is sending mode.
108：Send instructions to serial ports.
109：Enable RS485 is read mode, prepares to read the data in serial ports buffering area.
110：Obtain the byte number of serial ports buffering area.
111：According to the byte number that step 110 is obtained, the data message in serial ports buffering area is read.
112：Data processing, writes data to global variable, to the data message for receiving, to be first converted to byte number
Group, to data message checking inerrancy after, further according to the device address in communications protocol, function code and register address, to distant
Measurement, remote signalling amount are classified, and are written to corresponding global variable.
113：Whether detecting system has exit instruction, if not having, return to step 104 starts the data acquisition of next round
Process.If there is exit instruction, into step 114.
114：Serial ports is closed, if receiving exit instruction, serial ports is closed, the resource that serial ports takes is discharged.
As shown in figure 3, in the present embodiment, carry out intercepting collection specifically including to the service data of active bank electricity equipment：
201：STM32 system clocks initialize, in order to ensure initialization of (a) serial ports after baud rate be it is correct, need it is right
STM32 system clocks carry out frequency multiplication operation, initialization system clock.
202：Initialization of (a) serial ports, initialization serial ports name, baud rate, data bit, check bit, stop position, read full stop and
Whether full stop is enabled.
203：I/O buffer is emptied, different from survey mode is actively called together, RTU meeting active upload service datas are to the communication for being connect
Port, so, after data acquisition and the unlatching of stipulations switching software, buffering area is possible to the data of operation, is guarantor
Original data will be removed first by the real-time of communication data.
204：Serial ports reads 1 byte data, and 1 byte data is read first, and then to step 205, what judgement was read is
The no first character section EB for protocol transmission.
205：If the character string read is not EB, continue to read next byte data, until finding character string EB.
206：If the first character section read is EB, then reads a byte data from serial ports buffering area.
207：Whether second byte character string that judgement is read is 90, if it is not, the continuation reading of return to step 204 is next
Byte, if so, then goes to step 208.
208：10 byte datas are once read from serial ports, front 4 bytes are then intercepted.
209：Whether the value for judging character string is equal to EB90EB90, if it is not, return to step 204 continues to read next word
Section, if so, then goes to step 210.
210：According to the 7th byte value in 10 bytes read in step 208, it is determined that the byte for reading next time
Number.
211：According to the message length calculated in step 210, from serial ports buffering area remaining data message is read.
212：Remote-terminal unit Message processing process.
213：Whether detecting system has exit instruction, if without exit instruction, return to step 204, starting next round data and adopting
Collection process, if there is exit instruction, into step 214.
214：Serial ports is closed, if receiving exit instruction, serial ports is closed, the resource that serial ports takes is discharged.
As shown in figure 4, remote-terminal unit Message processing process is specifically included：
221：Data message character string is read, program is reconnected to the data character string read in above several steps,
One complete data message of composition.
222：The data message character string read in step 221 is converted into byte arrays, facilitates the number in subsequent step
According to process.
223：Read functions code, in array of data, the 7th, 8 bytes be function code, function code table understands the number of this group of data
According to type, according to different function codes, data are classified.
224：If the function code read in step 223 is E frames, for logout frame.
225：The check bit in data is compared according to check code algorithm, judges that data have in transmitting procedure errorless
Code, if verification bit-errors, abandons data, and return to step 221 continues to read next group of data.
226：If check bit is correct, the logout for receiving is written into event queue, continues to read next group of data.
227：If the function code read in step 223 is A frames, B frames, C frames, for telemetry frame, enter at telemetry frame
Reason branch.
228：The check bit in data is compared according to check code algorithm, judges that data have in transmitting procedure errorless
Code, if verification bit-errors, abandons data, and return to step 221 continues to read next group of data.
229：If check bit is correct, the remote measurement sequence number the telemetry frame for receiving in data, corresponding remote measurement is write
Point global variable, continues to read next group of data.
230：If the function code read in step 223 is remote signalling frame, enters into remote signalling frame and process branch.
231：The check bit in data is compared according to check code algorithm, judges that data have in transmitting procedure errorless
Code, if verification bit-errors, abandons data, and return to step 221 continues to read next group of data.
232：If check bit is correct, remote signalling sequence number of the remote signalling frame for receiving in data, corresponding remote signalling is write
Point global variable, continues to read next group of data.
As shown in figure 5, in the present embodiment, stipulations conversion is specifically included：
301：Create TCP to intercept, be that TCP network connections create detectaphone.
302：Wait TCP to intercept, wait accepted TCP network connections.
303：Determine whether that client connects, if not having, return to step 302 continues waiting for TCP and intercepts.
304：If there is client to connect, the tcp data of 2 bytes is read.
305：Judge to receive whether buffering area there are data, if buffering area has the data of 2 bytes, step 306 is gone to, if not having
Have, then go to step 320.
306：Character string dimension is converted to byte arrays, facilitates process of the subsequent step to data.
307：Whether the first character section for judging byte data is equal to 68H (H represents 16 system forms, similarly hereinafter), if it is not,
Step 304 is gone to, if so, then according to data unit length, step 308 and step 313 is gone to.
308：If data unit length is 04H, the value of control domain in array is analyzed.
309：If the value of control domain is 07H, show that this mission is activation data transfer.
310：Now service end can send the message commands for confirming activation data transfer to client.
311：If the value of control domain is 43H, show that this mission is test command.
312：Now service end can send the message commands of exact p-value to client.
313：If data unit length is 0EH, the value of control domain in array is analyzed.
314：If type identification is 2DH, show that this mission is single-point guidance command.
315：Control period in order, sends single-point guidance command to corresponding bank electricity equipment.
316：If type identification is 2EH, show that this mission is two point guidance command.
317：Control period in order, sends two point guidance command to corresponding bank electricity equipment.
318：If type identification is 64H, show that this instruction is total calling order.
319：Total calling data are sent, service end can in batches be sent to client all of remote measurement amount and remote signalling amount.
320：Judge the data in global variable whether there is to change, if being not changed in, meeting return to step 304 continues to read
The data of 2 bytes are taken, if there are data to there occurs change, step 321 is gone to.
321：Upload remote measurement, the remote signalling amount of change.
Above-mentioned data acquisition and stipulations conversion method can realize in a hardware data collection plate, the knot of data acquisition board
Structure is as shown in Figure 6.The processor of the data acquisition board adopts STM32F407, and the processor has 168MHz dominant frequency, 128KB
RAM, 1M Flash, 14 timers, the processor possess more powerful performance, higher code density, bit strip operation, can be embedding
Numerous advantages such as set interruption, low cost, low-power consumption, are 32 bit processors of industry-leading, it is adaptable to high deterministic reality
Shi Yingyong.The processor itself has 1M Flash, can pass through the external SD card of SD card interface, for depositing program and data,
Jlink downloads debugging USB port to be used to download and on-line debugging, and Ethernet interface is used for the communication of connection management and supervisory layers
Front end processor.There is the EBI of 1 tunnel 485, all the way RS232 EBIs in data acquisition board, all the way CAN interface bus, respectively
For connecting the monitoring device of different communication ports.The exploitation software support LabVIEW pattern developments of data acquisition board, using opening
The development kit of platform institute band is sent out, can be that embedded 32 reduced instruction set computings and microcontroller provide graphic programming,
Development platform has provided the user the function of more than 1000 kinds of bottom, and what is easily and fast can provided on Usage data collection plate is hard
Part resource, realizes efficient, the quick exploitation of system.
Claims (10)
1. a kind of data acquisition for the shore-side power for vessels in ports that reaches port and stipulations conversion method, it is characterised in that include：
Active collection is carried out to the service data of passive bank electricity equipment, corresponding global variable is written to；
The service data of active bank electricity equipment is carried out intercepting collection, corresponding global variable is written to；
All service datas that the active gathered and intercepted collection are carried out into stipulations conversion, and is sent to communication front end processor.
2. the data acquisition for the shore-side power for vessels in ports that reaches port according to claim 1 and stipulations conversion method, its
It is characterised by, the passive bank electricity equipment includes high-voltage board, transformer case and frequency-charger cabinet.
3. the data acquisition for the shore-side power for vessels in ports that reaches port according to claim 1 and stipulations conversion method, its
It is characterised by, the active bank electricity equipment includes remote-terminal unit.
4. the data acquisition for the shore-side power for vessels in ports that reaches port according to claim 1 and stipulations conversion method, its
It is characterised by, the active collection is specially：
101) initialization system clock, serial ports and I/O port successively；
102) generate call together observe and predict text instruction be added to task queue；
103) one is read from the task queue to call together and observe and predict literary instruction, this is called together and is observed and predicted text instruction and is sent to passively by serial ports
Bank electricity equipment；
104) returned data in serial ports buffering area is read；
105) returned data is processed, is written to corresponding global variable；
106) exit instruction has been detected whether, serial ports has if so, then been closed, the resource that serial ports takes has been discharged, if it is not, then return to step
103), gathered data is continued.
5. the data acquisition for the shore-side power for vessels in ports that reaches port according to claim 4 and stipulations conversion method, its
It is characterised by, described calling together is observed and predicted text instruction and include that telemetry command and remote signalling are instructed.
6. the data acquisition for the shore-side power for vessels in ports that reaches port according to claim 1 and stipulations conversion method, its
It is characterised by, it is described to intercept collection and be specially：
201) initialization system clock and serial ports, empty I/O buffer；
202) serial ports is successively read byte data, judges the value of byte data, and is performed according to the value of the byte data corresponding
Read operation, obtains the data message that active bank electricity equipment is uploaded；
203) data message is processed；
204) exit instruction has been detected whether, serial ports has if so, then been closed, the resource that serial ports takes has been discharged, if it is not, then return to step
202), next round data acquisition is started.
7. the data acquisition for the shore-side power for vessels in ports that reaches port according to claim 6 and stipulations conversion method, its
It is characterised by, the step 203) in, process the data message and be specially：
Data message character string is read, character string is converted into character array, the character array includes function code；
Read the function code and the classification of data message is carried out according to function code；
Check code checking is carried out to sorted data message, if check code is correct, read data is recorded, is carried out next
The process of data message, if incorrect, directly carries out the process of next data message.
8. the data acquisition for the shore-side power for vessels in ports that reaches port according to claim 7 and stipulations conversion method, its
It is characterised by, the classification of the data message includes event message, telemetry message and remote signalling data message.
9. the data acquisition for the shore-side power for vessels in ports that reaches port according to claim 1 and stipulations conversion method, its
It is characterised by, the stipulations conversion is specially：
301) create a TCP to intercept, determine whether to communicate front end processor connection by the detectaphone；
302) when there is communication front end processor to connect, the tcp data of setting byte is read, read tcp data is recognized, according to knowledge
Other result performs corresponding operating, and the corresponding operating includes that activation data transfer, reception test command, onshore electric equipment send single
Point guidance command, onshore electric equipment send two point guidance command and send all service datas of collection in batches.
10. the data acquisition for the shore-side power for vessels in ports that reaches port according to claim 9 and stipulations conversion method, its
It is characterised by, the step 302) include：
321) tcp data of 2 bytes is read, judges whether wrong, if so, then execution step 322), if it is not, then performing the reading
Take the operation of the tcp data of setting byte；
322) whether the data for judging global variable change, and if so, then the data for changing are uploaded into communication preposition
Machine, if it is not, then return to step 321).
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| CN201611110332.0A CN106651648B (en) | 2016-12-06 | 2016-12-06 | Data acquisition and protocol conversion method for shore power technology for docking ship |
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| CN201611110332.0A CN106651648B (en) | 2016-12-06 | 2016-12-06 | Data acquisition and protocol conversion method for shore power technology for docking ship |
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| CN112260400A (en) * | 2020-09-29 | 2021-01-22 | 许继电源有限公司 | Ship shore power monitoring control system and method |
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