CN205563198U - High -speed real -time power parallel system - Google Patents
High -speed real -time power parallel system Download PDFInfo
- Publication number
- CN205563198U CN205563198U CN201620348702.3U CN201620348702U CN205563198U CN 205563198 U CN205563198 U CN 205563198U CN 201620348702 U CN201620348702 U CN 201620348702U CN 205563198 U CN205563198 U CN 205563198U
- Authority
- CN
- China
- Prior art keywords
- module
- power module
- information
- high speed
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a high -speed real -time power parallel system contains parallelly connected multiple power supplies module, its characterized in that: the multiple power supplies module is connected through the high -speed transceiver module that it has in order, forms the communication loop, and each power module utilizes high -speed transceiver module to receive the last information that power module transmitted to utilize high -speed transceiver module to transfer next power module after integrating this power module's local information wherein, realize the collection of each power module local information and each power module's control. The utility model discloses can accomplish power parallel system's all kinds of controls and the measurement of instantaneous volume in real time, system hardware structure is simple, and that the transmission is data signal in the link, and transmission speed is fast, and the real -time is high, and interference immunity is strong, and the flexibility is good, and the error is little, easily realizes all kinds of functions.
Description
Technical field
This utility model relates to measuring electronic device field, is specifically related to power-supply system.
Background technology
Power sources in parallel runs can realize power supply product modularity, high capacity, is one of the developing direction of power technology,
Also it is the key realizing combination high power system.After power sources in parallel dilatation, on the one hand need to take current-sharing measure, it is achieved electricity
The sharing control during parallel running of source, on the other hand needs the total current after measuring parallel connection.
Realize sharing control and the measurement of electric current totalling at present, be mainly based upon what hardware circuit realized, as it is shown in figure 1,
Delivering to exchange by sample circuit by the machine current information from machine, exchange receives each current information from machine, delivers to addition
Device input, and then obtain the total current in this moment.In this scheme, in link, transmission is analogue signal, hardware circuit
Complex, anti-interference is poor, and measurement error is big.
Specifically cross one such as this utility model applicant's previous application and add up method about multi-machine parallel connection system and electric current
Patent, Publication No. CN104932340A, a kind of multi-machine parallel connection system, multiple electronic equipments compose in parallel, one of them electricity
Subset is set to main frame, and remaining electronic equipment is set to from machine, and described electronic equipment includes that an electric current adds way circuit, lead,
The electric current being defeated by main frame from the sample rate current of machine adds way circuit, and electric current adds way circuit and is made up of adder, the feedback electricity of adder
Resistance uses digital regulation resistance.In the introduction, main frame is passed to from the sample rate current of machine the most parallel by adapter.
Summary of the invention
The purpose of this utility model is to overcome prior art defect, it is provided that a kind of power sources in parallel system, uses numeral letter
Number it is transmitted, improves capacity of resisting disturbance, reduce measurement error.
A kind of high speed live electrical power parallel system, comprises multiple power modules of parallel connection, it is characterised in that: the plurality of electricity
Source module is sequentially connected with by its high speed transceiver module having, and forms communications loop, and each power module utilizes transmitting-receiving mould at a high speed
Block receives the information that a upper power module transmits, and the ownship information of this power module is incorporated into the receipts at a high speed of utilization the most afterwards
Send out module and pass to next power module, it is achieved gathering and the control of each power module of each power module ownship information.
Further, described communications loop completes the most complete Loop communication time t < T, and wherein T is that analog digital conversion is adopted
The sample cycle.Described high speed transceiver module uses fiber optic communication mouth, Ethernet interface, CAN interface or level signal port.This
The power-supply system of utility model parallel connection is by Loop communication structure, it is achieved the real-time Transmission of data.
Further, the information that a upper power module transmits includes the overall control information of system and the most several power supply
The ownship information that module is uploaded.
Described ownship information comprises current information, and described power module comprises an electric current and adds up module, is used for adding up one
The current information that individual power module transmits and the current information of this power module.
Power sources in parallel system of the present utility model utilizes the power module having high speed transceiver module to constitute high-speed annular communication
Structure, can be done in real time all kinds of controls and the measurement of instantaneous flow of power sources in parallel system.Its major advantage is hardware configuration letter
Single, in link, transmission is digital signal, and transmission speed is fast, and real-time is high, strong interference immunity, and motility is good, and error is little, it is easy to
Realize types of functionality.
For solving the technical problems such as electric current totalling and/or the electric current current-sharing of parallel power supply system, it is different from traditional passing through
Each conventional concepts added up parallel from machine sample rate current, this utility model provides a kind of diverse conception plans, i.e.
Realizing electric current by loop serial manner to add up, as long as the communication speed of this loop is sufficiently fast, such as, communications loop completes one
Secondary complete Loop communication is in twice current sample time interval, and the most described communications loop completes the most complete Loop communication
Time t < T, wherein T is the analog digital conversion sampling period, so ensures that the data of sampling do not exist and piles up the phenomenon waited, by reality
Time ground read and Loop communication, it is achieved real-time Data Transmission.
Accompanying drawing explanation
Fig. 1 is the structural representation that prior art realizes that electric current adds up；
Fig. 2 is that this utility model high speed loop realizes electric current and adds summation sharing control structural representation；
Fig. 3 is that electric current adds up modular structure schematic diagram；
Fig. 4 is current sharing control module structural representation；
Fig. 5 is to realize, based on fiber optic communication, the three-phase multimachine power sources in parallel system loop communication embodiments that electric current adds up；
Fig. 6 is Loop communication data frame format example view.
Detailed description of the invention
With specific embodiment, technical solutions of the utility model are described in detail below in conjunction with the accompanying drawings.
High speed live electrical power parallel system structure of the present utility model is as in figure 2 it is shown, this system comprises multiple electricity of parallel connection
Source module, contains a high speed receiver module, a high speed sending module, an electric current totalling module and in each power module
Current sharing control module.The sending module of previous power module is connected to the receiver module of later power module, forms annular
Communication structure, it is achieved electric current adds up and sharing control.High speed receiver module and high speed sending module are the most permissible
It is integrated into a high speed transceiver module.
Electric current adds up module as it is shown on figure 3, include sample circuit, analog to digital conversion circuit and electric current accumulator module.Sampling electricity
Sample the current information of this power module in road.Analog to digital conversion circuit carries out mould to the current information of this power module that sampling obtains
Number conversion obtains native digital current signal.This power module utilizes high speed receiver module to receive what a upper power module transmitted
Digital current information, this digital current information be before this power module the electric current of each power module cumulative and, utilize electric current to tire out
The digital current information adding the module digital current information to receiving and this power module adds up, and will add the electricity of the General Logistics Department
Stream information passes to the high speed sending module of this power module, and electric current is added total information and is sent to next mould by high speed sending module
Block.
When system is run, it is intended that one of them power module in loop is main frame, and remaining is from machine, and main frame sends the machine
Current information, it is assumed that main frame serial number 1, then the high speed receiver module reception from machine of serial number N is front N-1 platform power parallel machine
Current information, what its high speed sending module sent is the current information of N platform power parallel machine.So loop is through the most completely passing
Defeated, have collected the electric current accumulation information of all devices in loop, total current i.e. in parallel, and be transferred back into main process equipment.
As shown in Figure 4, current sharing control module is equally based on high-speed communication interface and Loop communication structure to current sharing control module.
High speed receiver module receives the packet that sends of a upper equipment, contains overall control information that main frame sends and front in this packet
The ownship information that face number platform is uploaded from machine.Resolve this packet by parsing module (utilizing the CPU in power module to realize), obtain
Obtain the effective control instruction of the machine, it is achieved the machine current-sharing adjustment etc. control, (utilize power module by Data Integration module simultaneously
In CPU realize) ownship information is incorporated in this packet, be sent to high speed sending module, pass to next equipment, successively class
Pushing away, after the complete transmission of a loop, each receives and performs the master control instruction that main frame sends from machine, carries out current-sharing tune
Whole, main frame also receives and obtains each relevant information fed back from machine simultaneously, and the sharing control for next round provides reference.
High-speed serial communication defined in this utility model is million to G bit rates up to a hundred, is considered as 600M in design
Transfer rate to 1.25G.At present, the industry-standard protocol of HSSI High-Speed Serial Interface communication has XAUI, PCI-EXpress, Fiber
Channel, Serial Rapid IO etc., and the hardware port used has fiber optic communication mouth, Ethernet interface and CAN,
Level signal port etc..
This utility model communications loop, based on high speed loop communication interface, will realize high speed real-time measurement, in addition it is also necessary to guarantee
Completing the most complete Loop communication in twice current sample time interval, i.e. need to ensure t < T sampling, wherein t represents once
The Loop communication time, T represents twice current sample time, and the electric current accumulated value so obtained is real-time total current value.This
The scheme of kind, hardware configuration is simple, and motility is big, introduces error little.
For Loop communication structure of the present utility model, sampling time T is fixing, by the ADC sampling rate of system certainly
Fixed, and t is by the traffic rate of loop, the quantity of equipment and disposal ability impact.This utility model can be by a series of
Design reduce loop time.This utility model have employed Serial Communication at High Speed on MS, improves traffic rate, and equipment uses streamline
Instruction mode, be greatly reduced process time, simultaneously simplified communication protocol, accelerate parsing and the execution of communication instruction.
There is not sampled data and pile up and wait in real-time Communication for Power of the present utility model, its principle is as follows:
For guaranteeing the real-time of Loop communication, it is desirable within the time limited, data must have been processed inside cyclic system
Becoming, this time is exactly the sampling time T of internal ADC.
For example, it is assumed that the sampling time T=1us of equipment in system, each equipment completes such a process: first adopt
Sample obtains ith sample data, then waits the arrival of Loop communication, carries electric current totalling message segment communication frame when receiving
After, after the current value of sampling is added up this message segment, relay to next handset.In hypothesis loop, all handsets synchronize to adopt
Sample, all obtains ith sample data at t0 instance sample, and main frame sends a frame after t0 instance sample immediately and carries current information
Control word give the first handset A, the first handset A receives this message segment in the t0+r moment, after accumulation process, when t0+r+p
It is sent to the second handset B quarter.Second handset B receives this message segment in the t0+2r+p moment, after accumulation process, at t0+2r+
The 2p moment is sent to the 3rd handset C.By that analogy, N estrade machine, receive loop current in t0+N*r+ (N-1) the * p moment and add
Total information section communication frame, after the machine electric current is added up this message segment, sends back main frame in the t0+N*r+N*p moment, and main frame receives
The instantaneous total current value of the system that is of total value is added to electric current.
For guaranteeing that this is the most real-time data acquisition and transmitting procedure, every estrade equipment is toward the electricity of totalling in Loop communication
Flow valuve should be all that t0 instance sample obtains ith sample data, such as in the t0+N*r+N*p moment, and the last estrade machine of loop
Carrying out electric current when adding up, now, its current sampling data is ith sample data, and ADC does not also adopt i+1 data, i.e. this
Shi Wei to next sampling time point t0+1us;Thus, available
t0+N*r+N*p < t0+1us
And then can obtain
N*s < 1us；
Wherein s=(r+p) is that every estrade machine completes the reception of frame data, processes and transmit the required time.It is by ring
The traffic rate on road, the disposal ability of processor, the impact of the factor such as the length of Frame.On the one hand design improves processor master
Frequently, use the instruction mode of streamline, be greatly reduced process time, simultaneously simplified communication protocol, accelerate communication instruction
Resolve and execution etc. reduces s.
As it is shown in figure 5, realize, based on fiber optic communication, the three-phase multimachine power sources in parallel system loop communication enforcement that electric current adds up
Example.This multimachine power sources in parallel system uses optical fiber realize transmission at a high speed and receive data path, complete equipment room composition one
Whole high-speed serial communication transmission system.It is low that fiber optic communication has loss, and speed is high, and volume is little and electromagnetism interference etc.
Feature, uses FPGA high-performance data to gather and processing system is as Master control chip.Integrated application both technology, complete electricity
The high speed serial optical fibre transmission such as stream totalling and sharing control.This system is a multiphase system, is sent by main equipment between homophase
Communication instruction, receives from equipment and performs communication instruction, gives the next one by the data information transfer of system command and the machine simultaneously
From equipment, cascade successively.The data message of the machine includes current information, through a complete loop communication, have collected in loop
The electric current accumulation information of all devices, total current i.e. in parallel, and it is transferred back into main process equipment.Final from the data message of equipment
To all feed back in main equipment.
It is that the main equipment of each phase carries out the mutual of information and feedback between phase and phase, A phase main frame is total activation, sends control
System instruction, the main equipment of other phases receives instruction, provides response simultaneously.
In conjunction with Fig. 6, elaborate the example of information integration in communication, as electric current adds up.
In order to be better understood from and implement Loop communication, the data form of a kind of communications of illustrating below, such as one frame
Data can comprise: start bit, overall situation control command section, handset status information section, and electric current adds up message segment, CAN, verification
Position.
Wherein, start bit and check bit are to ensure that the transmission and reception that data are correct；
The overall situation control command be main frame to all instructions issued from machine, such as switch command, equal stream information etc., handset connects
Receive an innings control instruction, and perform.And for each handset.This field can directly forward, it is not necessary to processes.
Handset status information is that the status information of self is suspended in bus by each handset, such as fault-signal, and duty, with
Step signal.Loop communication, by the information of this whole handset of field portability, feeds back to main frame.For each handset, should
Field is except the machine field portions, and other are all can be with transparent transmission.
Electric current add up message segment be main frame for calculating system total current, first self current value is put into this word by main frame
Section, starts to transmit successively along communications loop.After first handset receives this segment information, by this message segment current value and the first son
Machine self current value does addition, then obtains adding up current value and continues to be transmitted to the second handset；Second handset receives this message segment
After, also the current value of self is added to this confidence Duan Shanghou and continues to be transmitted to the 3rd handset, the like, until all handsets
Current value all adds up in this message segment, and has again passed to main frame by communications loop.Now, the electric current that main frame receives adds up
Value is the total current of combining system.This message segment is for handset, it is not possible to directly forward, and needs first to locate data
Update message segment after reason to forward again.
It addition, under communication bandwidth allows, retain certain field, can be used for the extension of later stage function.Such as CAN
Compression etc..
Claims (10)
1. a high speed live electrical power parallel system, comprises multiple power modules of parallel connection, it is characterised in that: the plurality of power supply
Module is sequentially connected with by its high speed transceiver module having, and forms communications loop, and each power module utilizes high speed transceiver module
Receive the information that a power module transmits, and the ownship information of this power module is incorporated into the transmitting-receiving at a high speed of utilization the most afterwards
Module passes to next power module, it is achieved gathering and the control of each power module of each power module ownship information.
2. high speed live electrical power parallel system as claimed in claim 1, it is characterised in that: described communications loop completes the completeest
Whole Loop communication time t < T, wherein T is the analog digital conversion sampling period.
3. high speed live electrical power parallel system as claimed in claim 1, it is characterised in that: a described upper power module transmits
Information include the ownship information that the overall control information of system and the most several power module are uploaded.
4. high speed live electrical power parallel system as claimed in claim 1, it is characterised in that: described high speed transceiver module uses light
Fiber communication mouth, Ethernet interface, CAN interface or level signal port.
5. the high speed live electrical power parallel system as according to any one of Claims 1-4, it is characterised in that: described the machine is believed
Breath comprises current information, and described power module comprises an electric current and adds up module, for adding up the electricity that a power module transmits
Stream information and the current information of this power module.
6. high speed live electrical power parallel system as claimed in claim 5, it is characterised in that described electric current adds up module and includes:
Sample circuit, for the current information of this power module of sampling；
Analog to digital conversion circuit, for carrying out analog digital conversion to the current information of this power module that sampling obtains；
Electric current accumulator module, current information and a upper power module of this power module after adding up analog digital conversion transmit
Current information.
7. the high speed live electrical power parallel system as described in claim 1 or 3, it is characterised in that: in described communications loop, wherein
One power module is main frame, and remaining is from machine, and host computer communications loop collects respectively from the ownship information of machine, produces overall situation control
Information processed.
8. high speed live electrical power parallel system as claimed in claim 7, it is characterised in that described power module comprises a current-sharing
Control module, adjusts for controlling the current-sharing of this power module of information realization according to the overall situation.
9. high speed live electrical power parallel system as claimed in claim 8, it is characterised in that described current sharing control module comprises
Parsing module, obtains the control instruction of this power module for resolving described overall situation control information.
10. high speed live electrical power parallel system as claimed in claim 1, it is characterised in that described power module comprises data
Integrate module, for integrating the information that the ownship information of this power module transmits with a upper power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620348702.3U CN205563198U (en) | 2016-04-22 | 2016-04-22 | High -speed real -time power parallel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620348702.3U CN205563198U (en) | 2016-04-22 | 2016-04-22 | High -speed real -time power parallel system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205563198U true CN205563198U (en) | 2016-09-07 |
Family
ID=56807323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620348702.3U Active CN205563198U (en) | 2016-04-22 | 2016-04-22 | High -speed real -time power parallel system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205563198U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105739393A (en) * | 2016-04-22 | 2016-07-06 | 艾德克斯电子（南京）有限公司 | High-speed real-time power supply parallel connection system |
| CN112470137A (en) * | 2019-01-24 | 2021-03-09 | 株式会社矽因赛德 | Master and slave device having cascade structure |
-
2016
- 2016-04-22 CN CN201620348702.3U patent/CN205563198U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105739393A (en) * | 2016-04-22 | 2016-07-06 | 艾德克斯电子（南京）有限公司 | High-speed real-time power supply parallel connection system |
| CN105739393B (en) * | 2016-04-22 | 2018-04-06 | 艾德克斯电子（南京）有限公司 | A kind of high speed live electrical power parallel system |
| CN112470137A (en) * | 2019-01-24 | 2021-03-09 | 株式会社矽因赛德 | Master and slave device having cascade structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103414547B (en) | A kind of main website controls method, main website and the system of many slave stations | |
| CN104953947A (en) | Monitoring system for photovoltaic power generation and communication method therefor | |
| CN106162528B (en) | LoRa signal and Bluetooth signal conversion module, conversion method and sender unit | |
| CN205563198U (en) | High -speed real -time power parallel system | |
| CN104202131A (en) | Method for improving transmission real-time of sample data in electric power distribution network system | |
| CN104144094A (en) | Method for operating slave node of digital bus system | |
| CN112769514A (en) | Time-sensitive based communication device | |
| CN102143185A (en) | Data transmission method and data transmission device | |
| CN107920001A (en) | The debugging apparatus of RapidIO communication middlewares | |
| CN105739393B (en) | A kind of high speed live electrical power parallel system | |
| CN106464412A (en) | Optical packet sending method and device, processing method and optical switching device | |
| CN102984220B (en) | Burst data downloading communication method for spacecraft multilevel subnets | |
| CN103685248A (en) | Process layer tri-play message transport real-time scheduling method | |
| CN104734900B (en) | A kind of sending control method of communication protocol test | |
| CN113452804A (en) | Satellite-borne communication device for realizing ARP (Address resolution protocol) and UDP (user Datagram protocol) protocol data communication based on VHDL (very high speed Downlink display) language | |
| CN105656591A (en) | Method for synchronizing data collection during communication of serial encoder in servo system | |
| CN106021172A (en) | Data communication method and device | |
| CN106209340A (en) | Intelligent substation test equipment SV, GOOSE synchronism output control method | |
| CN205720605U (en) | A kind of power module | |
| CN104967482B (en) | Multichannel IO synchronous control systems and method based on fiber optic communication | |
| RU147247U1 (en) | MEASUREMENT DIGITAL FLOWS UNIT OF MEASUREMENT DATA | |
| CN112988631A (en) | Data processing method and device based on field programmable gate array | |
| CN207283590U (en) | A kind of intelligent substation gigabit switch | |
| Zheng et al. | Design of time-triggered service processing flow on ethernet end system | |
| CN103825695A (en) | Compensation method for synchronous time delay of network based on POWERLINK |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |