CN202548627U - EtherCAT network control unit of power quality regulation device - Google Patents
EtherCAT network control unit of power quality regulation device Download PDFInfo
- Publication number
- CN202548627U CN202548627U CN2012201387342U CN201220138734U CN202548627U CN 202548627 U CN202548627 U CN 202548627U CN 2012201387342 U CN2012201387342 U CN 2012201387342U CN 201220138734 U CN201220138734 U CN 201220138734U CN 202548627 U CN202548627 U CN 202548627U
- Authority
- CN
- China
- Prior art keywords
- ethercat
- control unit
- quality
- power supply
- network
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Small-Scale Networks (AREA)
Abstract
The utility model discloses an EtherCAT (Ethernet Control Automation Technology) network control unit of a power quality regulation device, which relates to the network control unit for an AC trunk line or AC power distribution network device, and especially relates to the EtherCAT network master station control of a high-voltage AC grid power regulation device control system. The EtherCAT network control unit of the power quality regulation device comprises a digital signal processor, an Ethernet interface, first and second EtherCAT slave station controllers and a switching value input-output interface module. The digital signal processor is connected to the first and second EtherCAT slave station controllers through the Ethernet interface; the LVDS (Low Voltage Differential Signaling) output ends of the first and second EtherCAT slave station controllers are connected with an external slave station to form an EtherCAT network; the digital signal processor is connected to the switching value input-output interface module, and is also connected to a master control subsystem through an IO (Input/Output) port. The EtherCAT network control unit executes control on system programming in combination with the Ethernet channel and the CPLD (Complex Programmable Logic Device), has high transmission rate and can realize message hardware verification; a core controller has strong processing capacity; and the EtherCAT network control unit can modify the control logic according to the on-site configuration, and has the functions of remote configuration and monitoring.
Description
Technical field
The utility model relates to a kind of network control circuit unit that is used for ac mains or ac distribution network equipment, especially is applicable to the EtherCAT network primary station control of high-voltage alternating electrical network electric energy adjustment device control system.
Background technology
Modern industry, commerce and residential electricity consumption equipment in the urban distribution network; Like high-performance office equipment, accurate experimental apparatus, frequency control equipment, programmable logic controller (PLC), various automatic assembly line and computer system etc. power supply characteristic is changed the susceptibility load and be ascendant trend year by year, the requirement of the quality of power supply is improved constantly.As far as sensitive users (like semiconductor manufacturing enterprise), the voltage dip of a few tens of milliseconds just possibly cause device damage, production line to stop production, and causes the tremendous economic loss.Meanwhile, the factors such as a large amount of accesses of distributed energy, impact and interference load all make the electrical network quality of power supply have trend, the safe operation of serious threat electric system and the operate as normal of consumer that worsens day by day.
To sensitive load quality of power supply control problem, carried out the research manufacturing of quality of power supply control product both at home and abroad.But; Quality of power supply control device does not also form standardized product; And mainly rest on low pressure low capacity scope, Chinese utility model patent " low harmonic wave power quality control system " (utility model patent number: ZL201020133972 publication number: CN201656479) disclose a kind of low harmonic wave power quality control system.Should low harmonic wave power quality control system comprise pick-up unit, electric power adjusting gear, resistive load device.Pick-up unit receives the feedback signal that comes from the resistive load device.The control signal of pick-up unit output can use voltage or electric current to be signal.After the electric power adjusting gear receives said control signal, with ratio mode outputting drive voltage.Said ratio mode is for exporting the total power driving voltage at continuous output time at interval, and continuously not output time stop to export the total power driving voltage at interval.After the resistive load device received driving voltage, output feedback signal was to pick-up unit.Export the total power driving voltage with the ratio mode at interval at continuous output time, and continuously not output time stop to export the total power driving voltage at interval, can effectively reduce the harmonic wave that produces electric power.But this device is only applicable to low power resistive load device, does not relate to the electrical network quality of power supply control of high-power, does not also solve the technical matters of using the EtherCAT network to realize the system-level monitoring of quality of power supply regulating device.
The utility model content
The purpose of the utility model is the EtherCAT network control unit that a kind of quality of power supply regulating device will be provided, and solves the technical matters of using the EtherCAT network to realize the system-level monitoring of quality of power supply regulating device.
The utility model solves the problems of the technologies described above the technical scheme that is adopted:
A kind of EtherCAT network control unit of quality of power supply regulating device is connected to the master control subsystem and the Ethernet of quality of power supply regulating device, it is characterized in that:
Described EtherCAT network control unit comprises digital signal processor, Ethernet interface A, and Ethernet interface B, Ethernet interface C, an EtherCAT are from station control, and the 2nd EtherCAT is from station control and switching value input/output interface module;
Described digital signal processor is connected to Ethernet through Ethernet interface A, is connected to an EtherCAT from station control through Ethernet interface B, is connected to the 2nd EtherCAT from station control through Ethernet interface C;
A described EtherCAT is from the LVDS output terminal of station control; Delivery outlet as the EtherCAT network primary station; Described the 2nd EtherCAT, connects outside slave station and constitutes the EtherCAT network as the looped network return port of EtherCAT network primary station from the LVDS output terminal of station control;
Described digital signal processor is connected to the switching value input/output interface module, and is connected to described master control subsystem through the IO port.
A kind of preferable technical scheme of the EtherCAT network control unit of the quality of power supply regulating device of the utility model is characterized in that a described EtherCAT provides two coupling mechanism ports from station control through fiber optical transceiver.
The another kind of preferable technical scheme of the EtherCAT network control unit of the quality of power supply regulating device of the utility model is characterized in that described the 2nd EtherCAT provides two coupling mechanism ports from station control through fiber optical transceiver.
A kind of better technical scheme of the EtherCAT network control unit of the quality of power supply regulating device of the utility model is characterized in that described switching value input/output interface module comprises at least one pair of light light inlet outbound port.
A kind of improved technical scheme of the EtherCAT network control unit of the quality of power supply regulating device of the utility model is characterized in that described digital signal processor provides CAN EBI through the CAN bus interface circuit.
The another kind of improved technical scheme of the EtherCAT network control unit of the quality of power supply regulating device of the utility model is characterized in that described digital signal processor provides serial communication interface through the RS232 interface circuit.
The beneficial effect of the utility model is:
1. the EtherCAT network control unit of the quality of power supply regulating device of the utility model adopts real-time serial Ethernet (EtherCAT) bussing technique, and transfer rate is high, can realize the message hardware verification, and not have information collision; The core control panel adopts the high-speed dedicated chip, has strengthened the processing power of core controller greatly.
2. through adopting CPLD (CPLD) to realize the switching value IO interface, the dirigibility that has improved the switching value input/output module has reduced complicacy.
3. combine ethernet communication technology and the control of CPLD in-system programming; The EtherCAT network control unit of the quality of power supply regulating device of the utility model; Can revise steering logic according to the situ configuration of quality of power supply regulating device, and have the function of Remote configuration and monitoring.
Description of drawings
Fig. 1 is the main circuit diagram of EtherCAT network control unit of the quality of power supply regulating device of the utility model;
Fig. 2 is the main circuit diagram of the control system of quality of power supply regulating device.
The label of each parts in more than scheming: 100-three-phase supply, 800-quality of power supply regulating device, 810-master control subsystem, 811-master control EtherCAT main website; The 812-PTCT input block, 813-regulates protected location, 814-failure wave-recording unit, 815-switching value input block; 816-switching value output unit, 820-communication coupled subsystem, 821-module EtherCAT main website, 822-EtherCAT coupling mechanism; The 830-adjustment control, 910-Ethernet switch, 920-PC monitor terminal, 8111-digital signal processor; 8112-Ethernet interface A, 8113-Ethernet interface B, 8114-Ethernet interface C; 8115-the one EtherCAT is from station control, and 8116-the 2nd EtherCAT is from station control, 8117-switching value IO interface.
Embodiment
In order to understand the technique scheme of the utility model better, be explained in further detail below in conjunction with accompanying drawing and embodiment.
Fig. 2 is the main circuit diagram of the control system of quality of power supply regulating device, comprises master control subsystem 810, communication coupled subsystem 820 and 3n adjustment control 830, wherein n >=1; Described quality of power supply regulating device 800 comprises 3n power cell (not shown); Be connected respectively on the three phase network 100; Corresponding respectively each power cell that is connected to quality of power supply regulating device 800 of described adjustment control 830, master control subsystem 810 is connected respectively to each adjustment control 830 through communication coupled subsystem 820; Communication coupled subsystem 820 comprises the module EtherCAT main website 821 that is connected on the LVDS interface, and at least one EtherCAT coupling mechanism 822, connects and composes module EtherCAT network mutually with the EtherCAT slave station; Adjustment control constitutes the EtherCAT slave station, via the EtherCAT coupling mechanism, is connected to module EtherCAT network, regulates protected location 813 and isolates through optocoupler or optical fiber, is connected to adjustment control 830.As shown in Figure 2; The master control subsystem 810 of the control system of quality of power supply regulating device; Comprise master control EtherCAT network and master control EtherCAT main website 811, and PTCT input block 812, adjusting protected location 813, failure wave-recording unit 814, switching value input block 815 and switching value output unit 816.The control system of quality of power supply regulating device also comprises Ethernet interface, and master control subsystem 810 and communication coupled subsystem 820 through Ethernet interface and Ethernet switch 910, are connected to Local or Remote PC monitor terminal 920.
Fig. 1 is the main circuit diagram of EtherCAT network control unit of the quality of power supply regulating device of the utility model; Described EtherCAT network control unit can be used as master control EtherCAT main website 811; Be connected to the master control subsystem 810 of quality of power supply regulating device 800, perhaps be connected to Ethernet through Ethernet switch 910.The EtherCAT network control unit of the quality of power supply regulating device of the utility model also can be used as module EtherCAT main website 821, is connected to communication coupled subsystem 820.Described EtherCAT network control unit comprises digital signal processor 8111; Ethernet interface A8112; Ethernet interface B 8113; Ethernet interface C 8114, the one EtherCAT from station control 8115, the two EtherCAT from station control 8116 with switching value input/output interface module 8117; Digital signal processor 8111 is connected to Ethernet through Ethernet interface A 8112, is connected to an EtherCAT from station control 8115 through Ethernet interface B 8113, is connected to the 2nd EtherCAT from station control 8116 through Ethernet interface C 8114; The one EtherCAT is from the LVDS output terminal of station control 8115; Delivery outlet as the EtherCAT network primary station; The 2nd EtherCAT, connects outside slave station and constitutes the EtherCAT network as the looped network return port of EtherCAT network primary station from the LVDS output terminal of station control 8116.Digital signal processor 8111 is connected to the switching value input/output interface module, and is connected to described master control subsystem through the IO port.
In the embodiment shown in fig. 1, an EtherCAT provides two coupling mechanism ports from station control 8115 through fiber optical transceiver; The 2nd EtherCAT provides two coupling mechanism ports from station control 8116 through fiber optical transceiver; Switching value input/output interface module 8117 comprises at least one pair of light light inlet outbound port.
The embodiment of the EtherCAT network control unit of the quality of power supply regulating device of the utility model as shown in Figure 1; Digital signal processor 8111 also provides CAN EBI through the CAN bus interface circuit, through the RS232 interface circuit serial communication interface is provided.
In embodiment shown in Figure 1; Digital signal processor 8111 is the TMS320F28335 type digital signal processor of TI company, and this processor has the high speed processing ability of 150MHz, possesses 32 floating point processing units; 6 DMA passages are supported ADC, McBSP and EMIF; Nearly 18 tunnel PWM output is arranged, wherein have 6 the tunnel to be the distinctive more high-precision PWM output of TI (HRPWM), 12 16 passage ADC.In this embodiment, Ethernet interface 8112～8114 adopts multifunctional network interface chip W3150; EtherCAT adopts EtherCAT slave station controller IC ET1100 from station control 8115～8116.Transfer the physical interface of Ethernet to LVDS through ET1100, directly insert the LVDS signal wire on the master control subsystem cabinet backboard.Every remaining two ports of ET1100 can be used as coupling mechanism, convert light signal to through fiber optical transceiver AFBR-5803ATZ and realize the connection between the different sub-systems cabinet.Switching value IO interface 8117 adopts CPLD (CPLD), and CPLD is made up of around the programmable interconnect matrix unit at center FPGA macroelement (MC, Macro Cell).Wherein the MC structure is complicated, and has complicated I/O cell interconnection structure, can generate specific circuit structure as required by the user, accomplishes certain function.Because the inner metal wire of regular length that adopts of CPLD carries out the interconnection of each logical block, so the logical circuit of design has the time predictability.In the switching value input-output unit of the quality of power supply regulating device of the utility model; CPLD is used for sampling time sequence control, serial parallel conversion and the input and output logic control of switching value input and output, and the CPLD chip can adopt EPM7128S, XC9510 or LC4128V.On programming mode, CPLD mainly is based on E2PROM or FLASH memory program, and the programming number of times can reach 10,000 times, and programming information was not lost yet when its advantage was system cut-off.CPLD can also be implemented in systems programming, can revise steering logic according to the actual disposition of quality of power supply regulating device.Switching value IO interface 8117 is reserved 16 IO mouths and is inserted backboard; Be used for the IO communication between the inner unit of subsystem; Such as from PTCT input block 812 slave stations, be used to start the signal that the EtherCAT main website sends data, the EtherCAT main website starts the signal etc. that other slave station unit receives the EtherCAT data.Main website provides two light light inlets to go out to be used for to be connected with the IO signal of other subsystem.In addition, DSP also reserve one 232 interface and a CAN interface subsequent use.
Those of ordinary skill in the art will be appreciated that; Above embodiment only is the technical scheme that is used for explaining the utility model; And be not the qualification that is used as the utility model; Any connotation based on the utility model is to variation, modification that the above embodiment did, all will drop in the protection domain of claim of the utility model.
Claims (6)
1. the EtherCAT network control unit of a quality of power supply regulating device is connected to the master control subsystem and the Ethernet of quality of power supply regulating device, it is characterized in that:
Described EtherCAT network control unit comprises digital signal processor, Ethernet interface A, and Ethernet interface B, Ethernet interface C, an EtherCAT are from station control, and the 2nd EtherCAT is from station control and switching value input/output interface module;
Described digital signal processor is connected to Ethernet through Ethernet interface A, is connected to an EtherCAT from station control through Ethernet interface B, is connected to the 2nd EtherCAT from station control through Ethernet interface C;
A described EtherCAT is from the LVDS output terminal of station control; Delivery outlet as the EtherCAT network primary station; Described the 2nd EtherCAT, connects outside slave station and constitutes the EtherCAT network as the looped network return port of EtherCAT network primary station from the LVDS output terminal of station control;
Described digital signal processor is connected to the switching value input/output interface module, and is connected to described master control subsystem through the IO port.
2. the EtherCAT network control unit of quality of power supply regulating device according to claim 1 is characterized in that a described EtherCAT provides two coupling mechanism ports from station control through fiber optical transceiver.
3. the EtherCAT network control unit of quality of power supply regulating device according to claim 1 is characterized in that described the 2nd EtherCAT provides two coupling mechanism ports from station control through fiber optical transceiver.
4. the EtherCAT network control unit of quality of power supply regulating device according to claim 1 is characterized in that described switching value input/output interface module comprises at least one pair of light light inlet outbound port.
5. according to the EtherCAT network control unit of the described quality of power supply regulating device of claim 1 to 4, it is characterized in that described digital signal processor provides CAN EBI through the CAN bus interface circuit.
6. according to the EtherCAT network control unit of the described quality of power supply regulating device of each claim of claim 1 to 4, it is characterized in that described digital signal processor provides serial communication interface through the RS232 interface circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201387342U CN202548627U (en) | 2012-04-01 | 2012-04-01 | EtherCAT network control unit of power quality regulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201387342U CN202548627U (en) | 2012-04-01 | 2012-04-01 | EtherCAT network control unit of power quality regulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202548627U true CN202548627U (en) | 2012-11-21 |
Family
ID=47169235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201387342U Expired - Lifetime CN202548627U (en) | 2012-04-01 | 2012-04-01 | EtherCAT network control unit of power quality regulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202548627U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105681148A (en) * | 2016-01-05 | 2016-06-15 | 武汉大学 | Network control unit (NCU) for network time synchronization |
| CN105812216A (en) * | 2016-05-26 | 2016-07-27 | 上海嘉强自动化技术有限公司 | PBUS (peripheral bus) non-transformer EtherCAT (Ethernet for control automation technology) communication circuit and method of application thereof |
| CN106125597A (en) * | 2016-06-27 | 2016-11-16 | 武汉理工大学 | Robot based on LVDS looped network bus high speed TT&C system and method |
| CN106569462A (en) * | 2015-10-07 | 2017-04-19 | 宁夏琪凯节能设备有限公司 | Energy-saving electromechanical circuit |
| CN110191040A (en) * | 2019-06-25 | 2019-08-30 | 长沙瀚鹏电子技术有限公司 | A kind of human-computer interaction network controller, method and system |
-
2012
- 2012-04-01 CN CN2012201387342U patent/CN202548627U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106569462A (en) * | 2015-10-07 | 2017-04-19 | 宁夏琪凯节能设备有限公司 | Energy-saving electromechanical circuit |
| CN105681148A (en) * | 2016-01-05 | 2016-06-15 | 武汉大学 | Network control unit (NCU) for network time synchronization |
| CN105812216A (en) * | 2016-05-26 | 2016-07-27 | 上海嘉强自动化技术有限公司 | PBUS (peripheral bus) non-transformer EtherCAT (Ethernet for control automation technology) communication circuit and method of application thereof |
| CN105812216B (en) * | 2016-05-26 | 2021-12-17 | 上海嘉强自动化技术有限公司 | PBUS transformerless EtherCAT communication circuit and application method |
| CN106125597A (en) * | 2016-06-27 | 2016-11-16 | 武汉理工大学 | Robot based on LVDS looped network bus high speed TT&C system and method |
| CN110191040A (en) * | 2019-06-25 | 2019-08-30 | 长沙瀚鹏电子技术有限公司 | A kind of human-computer interaction network controller, method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202548627U (en) | EtherCAT network control unit of power quality regulation device | |
| CN202206427U (en) | Novel intelligent substation breaker intelligent electronic device (IED) based on advanced reduced instruction set computer machine (ARM) and digital signal processor (DSP) | |
| CN201781417U (en) | Cascaded high-voltage frequency converter PWM wave generation control system | |
| CN201616682U (en) | Optoelectronic triple-isolated DC cabinet power source monitor of collection system | |
| CN203554074U (en) | Distributed power generation grid-connected dual-power supply interface apparatus | |
| CN202351676U (en) | Energy consumption metering and production safety monitoring system | |
| CN204179554U (en) | A kind of precision intelligence power distribution cabinet and distribution drawer thereof | |
| CN204425041U (en) | Distribution terminal system | |
| CN205247185U (en) | Secondary control system of water cooling transformer | |
| CN102694418B (en) | Alternating-current distribution intelligent monitoring system | |
| CN202103647U (en) | Relay protection data converter | |
| CN201374584Y (en) | Substation dedicated UPS capable of satisfying 103 conventions | |
| CN202550682U (en) | Regulation and protection unit of electric energy quality regulation device | |
| CN203368141U (en) | Novel feeder automation system using CAN bus communication | |
| CN203039437U (en) | Power distribution box provided with PLC intelligent controller | |
| CN204597488U (en) | Based on the intelligent low-pressure distribution JP compensating cabinet of GPRS | |
| CN105141035B (en) | Process layer devices data collection and control system | |
| CN204720991U (en) | Based on the intelligent box substation compensating cabinet of GPRS | |
| CN202550681U (en) | Switching value input/output unit for electric energy quality regulating device | |
| CN107611793A (en) | A kind of Intelligent lower voltage switch cabinet | |
| CN203289496U (en) | Intelligent substationprocess layer interface device | |
| CN106816957A (en) | A kind of distribution power automation terminal based on CAN cascade extension | |
| CN202565027U (en) | Control system for power quality adjusting device | |
| CN202550541U (en) | Two-stage-coupled adjusting and controlling system for electric energy quality | |
| CN202565026U (en) | Adjusting controller of power quality adjusting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |