CN203643778U - Frequency converter controller - Google Patents
Frequency converter controller Download PDFInfo
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- CN203643778U CN203643778U CN201320882079.6U CN201320882079U CN203643778U CN 203643778 U CN203643778 U CN 203643778U CN 201320882079 U CN201320882079 U CN 201320882079U CN 203643778 U CN203643778 U CN 203643778U
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Abstract
The utility model provides a frequency converter controller which is applied to the technical field of automatic control. The frequency converter controller comprises a main controller PCB. The main controller PCB further comprises a central processor and an Ethernet optical fiber communication unit. The central processor uses an Express-ATC processor. The Ethernet optical fiber unit comprises an Ethernet protocol chip, an Ethernet PHY chip and an Ethernet optical transceiver, wherein the Ethernet protocol chip, the Ethernet PHY chip and the Ethernet optical transceiver are orderly connected. The Ethernet protocol chip is connected with the central processor through a PCIe bus. The Ethernet optical transceiver is connected with a frequency converter power unit through an optical fiber. The frequency converter controller provided by the utility model takes into account a high performance frequency conversion control requirement and a real-time multi task processing requirement, and has the characteristics of high data transmission efficiency, strong anti-jamming performance and the like.
Description
Technical field
The utility model relates to automatic control technology field, particularly, relates to a kind of frequency converter controller.
Background technology
AC frequency conversion drive technology has that control performance is excellent, usable range is wide, driving capacity is large, energy saving in running and the low numerous advantages of maintenance cost, has obtained in recent years the development of advancing by leaps and bounds, and domestic frequency converter manufacturer has several hundred more than.But the international market of high-performance transducer is monopolized by corporation with foreign capital's products such as ABB, SIEMENS, TMEIC substantially, the strength of domestic frequency converter brand also far can not be contended with these industries giant.Although the local enterprise that minority scale is leading forms gradually in the brand effect of third world countries and developing country, gap is obviously to exist, and comprises the aspects such as technical merit, capital strength, production management.Domestic frequency converter controller system is in the aspect such as real-time multi-task, network interface performance deficiency, have gap with more advanced in the world controller system framework, at present the frequency converter of most domestic manufacturer production is only for the field of blower fan water pump class versatility load.
The frequency converter master controller that domestic frequency converter manufacturer starts to produce is most mainly to adopt dsp processor as master chip, utilizes the function of the existing Electric Machine Control in dsp processor, designs processor periphery, as the controller of frequency conversion equipment.But this design is difficult to meet the requirement of real time of controller, sort controller is basic only for the occasion not high to frequency conversion equipment performance requirement.
The most of DSP+FPGA system architecture that adopts of controller architecture that domestic frequency converter manufacturer adopts at present, the advantage of this framework is flexible structure, there is stronger versatility, utilize some integrated routine package algorithms of dsp chip, the advantages such as the construction cycle is short, shortcoming is due to dsp processor dominant frequency limited (100,000,000 grades), in real-time task processing, and multitasking aspect performance Shortcomings.
Utility model content
The fundamental purpose of the utility model embodiment is to provide a kind of frequency converter controller, can not meet the problem of higher variable frequency control requirement and real-time multi-task processing requirements to solve frequency converter controller.
To achieve these goals, the utility model embodiment provides a kind of frequency converter controller, and described frequency converter controller comprises master controller PCB; Described master controller PCB further comprises: central processing unit and Ethernet optical fiber communication unit; Wherein,
Described central processing unit adopts Express-ATC type processor;
Described Ethernet fiber unit comprises the Ethernet protocol chip, ethernet PHY chip and the Ethernet optical transceiver that are linked in sequence;
Described Ethernet protocol chip is connected by PCIe bus with described central processing unit;
Described Ethernet optical transceiver is connected by optical fiber with the power cell of frequency converter.
By means of technique scheme, the utility model adopts the central processing unit of Express-ATC type processor as frequency converter controller, utilize the high primary frequency feature of Express-ATC type processor, this frequency converter controller has been taken into account high-performance frequency conversion control requirement and real-time multi-task processing requirements, and, the Ethernet protocol of the utility model based on ripe, adopt optical fiber to connect the power cell of frequency converter controller and frequency converter, make this frequency converter controller possess the features such as data transmission efficiency is high, strong interference immunity.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structured flowchart of the frequency converter controller that provides of the utility model;
Fig. 2 is the structured flowchart of the another kind of frequency converter controller that provides of the utility model;
Fig. 3 is the structured flowchart of the another kind of frequency converter controller that provides of the utility model;
Fig. 4 is the structured flowchart of the another kind of frequency converter controller that provides of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of frequency converter controller, and as shown in Figure 1, described frequency converter controller comprises master controller PCB10; Described master controller PCB10 further comprises: central processing unit 11 and Ethernet optical fiber communication unit 12.
Described central processing unit 11 adopts Express-ATC type processor;
Described Ethernet optical fiber communication unit 12 comprises the Ethernet protocol chip 13, ethernet PHY chip 14 and the Ethernet optical transceiver 15 that are linked in sequence;
Described Ethernet protocol chip 13 is connected by PCIe bus with described central processing unit 11;
Described Ethernet optical transceiver 15 is connected by optical fiber with the power cell of frequency converter.
In the frequency converter controller that the utility model provides, central processing unit adopts Express-ATC type processor, be used for the function such as input, the transmission of output command of control algolithm, Parameter storage, digital quantity analog quantity, this processor host frequency, up to 1.6GHz, can meet the real-time multi-task processing requirements of high-performance transducer controller completely; And, this frequency converter controller is connected central processing unit by Ethernet protocol chip, ethernet PHY chip and the Ethernet optical fiber communication unit of Ethernet optical transceiver composition with the power cell of frequency converter, its advantage is to utilize mature and stable Ethernet protocol and optical fiber technology, improve data transmission efficiency, strengthened the anti-interference of transmitting procedure.
When concrete enforcement, ethernet PHY chip can adopt the cake core as IP113.
When concrete enforcement, Ethernet optical transceiver can adopt as IDL300T type Ethernet fiber optic data communication interface.
In a kind of preferred embodiment, frequency converter controller as shown in Figure 2, comprising: master controller PCB20, input and output PCB21 and terminal card extender 22; Wherein,
Master controller PCB20 comprises: Express-ATC type processor 23 and dual port RAM 24, this two be connected by pci bus;
Input and output PCB21 comprises: universal input/output interface 25 and PROFIBUS bus interface 26, this two be all connected to dual port RAM 24 by spi bus; Wherein universal input/output interface 25 provides a general signaling interface to external unit, for data-signal or the simulating signal of outside input being packed according to spi bus agreement, then send to dual port RAM 24 by spi bus, and the data-signal based on spi bus agreement that dual port RAM 24 is exported or analog signal output are to external unit; PROFIBUS bus interface 26 provides an interface based on PROFIBUS bus protocol to external unit, be converted to the data message based on PROFIBUS bus protocol for the data-signal based on spi bus agreement or simulating signal that dual port RAM 24 is exported, then export to external unit, and the data message based on PROFIBUS bus protocol of outside input is converted to data-signal or the simulating signal based on spi bus agreement, and then input to dual port RAM 24.
Terminal card extender 22 is by DB44 cable connection universal IO interface 25, terminal card extender 22 is for by DB44 pin cable, outside input signal being concentrated and sent universal input/output interface 25 to, and terminal card extender 22 has code device signal entrance, high meter signal input, digital quantity and analog quantity universal input/output interface.
Concrete, dual port RAM can adopt FPGA design, and its advantage is that the construction cycle is short, and development cost are low, integrated level is high.
Structure shown in Fig. 2 is by adopting dual port RAM to expand the data transfer path of two-way based on spi bus agreement in frequency converter controller, greatly improve the picking rate of frequency converter controller analog quantity and digital quantity, and then improved the response speed of frequency converter controller.
In another kind of preferred embodiment, frequency converter controller as shown in Figure 3, comprises master controller PCB30, and master controller PCB30 further includes: Express-ATC type processor 31, protocol converter 32, POWERLINK interface 33; Protocol converter 32 connects Express-ATC type processor 31 by pci bus; POWERLINK interface 33 connects described protocol converter 32 by Localbus bus.
Concrete, in the frequency converter controller shown in Fig. 3, protocol converter can adopt FPGA design, and its advantage is that the construction cycle is short, and development cost are low, integrated level is high.
In another kind of preferred embodiment, frequency converter controller as shown in Figure 4, comprises master controller PCB40, and master controller PCB40 further includes: Express-ATC type processor 41, protocol converter 42, Hilscher ComX interface 43; Protocol converter 42 connects Express-ATC type processor 41 by pci bus; Hilscher ComX interface 43 connects described protocol converter 42 by Localbus bus.
Fig. 3 adopts protocol converter to be connected respectively pci bus and Localbus bus with the structure shown in Fig. 4, transmission path based on pci bus agreement and Localbus bus protocol is combined, expand the data transfer path of this frequency converter controller based on Localbus bus protocol, this transmission path can connect POWERLINK interface or Hilscher ComX interface, makes the periphery connection of frequency converter controller have more dirigibility.
The utility model adopts the Express-ATC type processor with high primary frequency feature as central processing unit, has taken into account high-performance frequency conversion control requirement and real-time multi-task processing requirements; Utilize Ethernet optical fiber technology to connect the power cell of frequency converter, there is the features such as data transmission efficiency is high, strong interference immunity; By adopting dual port RAM to expand the data transfer path of two-way based on spi bus agreement, greatly improve the picking rate of frequency converter controller analog quantity and digital quantity, and then improved the response speed of frequency converter controller; Adopt protocol converter to connect respectively pci bus and Localbus bus, transmission path based on pci bus agreement and Localbus bus protocol is combined, expand the data transfer path of this frequency converter controller based on Localbus bus protocol, this transmission path can connect POWERLINK interface or Hilscher ComX interface, make the periphery connection of frequency converter controller have more dirigibility, expanded the suitable application area of frequency converter controller.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; and be not used in limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Those skilled in the art can also recognize the various illustrative components, blocks (illustrative logical block) that the utility model embodiment lists, unit, and step can pass through electronic hardware, computer software, or both combinations realize.For the clear replaceability (interchangeability) of showing hardware and software, above-mentioned various illustrative components (illustrative components), unit and step have been described their function generally.Such function is to realize by hardware or software the designing requirement of depending on specific application and whole system.Those skilled in the art can, for every kind of specific application, can make in all sorts of ways and realize described function, but this realization should not be understood to exceed the scope of the utility model embodiment protection.
Various illustrative logical block described in the utility model embodiment, or unit, or device can pass through general processor, digital signal processor, special IC (ASIC), field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or the design of above-mentioned any combination realizes or operates described function.General processor can be microprocessor, and alternatively, this general processor can be also any traditional processor, controller, microcontroller or state machine.Processor also can be realized by the combination of calculation element, for example digital signal processor and microprocessor, and multi-microprocessor, a Digital Signal Processor Core of one or more microprocessor associating, or any other similarly configures and realizes.
Method described in the utility model embodiment or the step of algorithm can directly embed hardware, the software module of processor execution or the two combination.Software module can be stored in the storage medium of other arbitrary form in RAM storer, flash memory, ROM storer, eprom memory, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this area.Exemplarily, storage medium can be connected with processor, with make processor can be from storage medium reading information, and can deposit write information to storage medium.Alternatively, storage medium can also be integrated in processor.Processor and storage medium can be arranged in ASIC, and ASIC can be arranged in user terminal.Alternatively, processor and storage medium also can be arranged in the different parts in user terminal.
In one or more exemplary designs, the described above-mentioned functions of the utility model embodiment can realize in hardware, software, firmware or this three's combination in any.If realized in software, these functions can be stored on the medium with computer-readable, or are transmitted on the medium of computer-readable with one or more instructions or code form.Computer-readable medium comprises computer storage medium and is convenient to make to allow computer program transfer to other local telecommunication media from a place.Storage medium can be the useable medium that any general or special computer can access.For example, such computer readable media can include but not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage device, or other any medium that can be read by general or special computer or general or special processor for carrying or storage the program code of form with instruction or data structure and other.In addition, any connection can be suitably defined as computer-readable medium, for example,, if software is by a concentric cable, fiber optic cables, twisted-pair feeder, Digital Subscriber Line (DSL) or being also comprised in defined computer-readable medium with wireless way for transmittings such as such as infrared, wireless and microwaves from a web-site, server or other remote resource.Described video disc (disk) and disk (disc) comprise Zip disk, radium-shine dish, CD, DVD, floppy disk and Blu-ray Disc, and disk is conventionally with magnetic duplication data, and video disc carries out optical reproduction data with laser conventionally.Above-mentioned combination also can be included in computer-readable medium.
Claims (6)
1. a frequency converter controller, is characterized in that, described frequency converter controller comprises master controller printing board PCB; Described master controller PCB further comprises: central processing unit and Ethernet optical fiber communication unit; Wherein,
Described central processing unit adopts Express-ATC type processor;
Described Ethernet fiber unit comprises the Ethernet protocol chip, ethernet PHY chip and the Ethernet optical transceiver that are linked in sequence;
Described Ethernet protocol chip is connected by PCIe bus with described central processing unit;
Described Ethernet optical transceiver is connected by optical fiber with the power cell of frequency converter.
2. frequency converter controller according to claim 1, is characterized in that, described ethernet PHY chip adopts IP113 cake core.
3. frequency converter controller according to claim 1, is characterized in that, described Ethernet optical transceiver adopts IDL300T type Ethernet fiber optic data communication interface.
4. frequency converter controller according to claim 1, is characterized in that, described frequency converter controller also comprises: input and output PCB and terminal card extender; Described input and output PCB further comprises: universal input/output interface and PROFIBUS bus interface; Described master controller PCB also comprises: Double Port Random Memory RAM; Wherein,
Described dual port RAM connects described central processing unit by pci bus;
Described universal input/output interface connects described dual port RAM by synchronous serial Peripheral Interface spi bus;
Described PROFIBUS bus interface connects described dual port RAM by spi bus;
Described terminal card extender connects described universal input/output interface by DB44 cable.
5. frequency converter controller according to claim 4, is characterized in that, described master controller PCB also comprises: protocol converter, real-time ethernet POWERLINK interface;
Described protocol converter connects described central processing unit by pci bus;
Described POWERLINK interface connects described protocol converter by Localbus bus.
6. frequency converter controller according to claim 4, is characterized in that, described master controller PCB also comprises: protocol converter, Hilscher ComX interface;
Described protocol converter connects described central processing unit by pci bus;
Described Hilscher ComX interface connects described protocol converter by Localbus bus.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320882079.6U CN203643778U (en) | 2013-12-30 | 2013-12-30 | Frequency converter controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320882079.6U CN203643778U (en) | 2013-12-30 | 2013-12-30 | Frequency converter controller |
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| CN203643778U true CN203643778U (en) | 2014-06-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015197027A1 (en) * | 2014-06-27 | 2015-12-30 | 华为技术有限公司 | Method for accessing nvme storage device, and nvme storage device |
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- 2013-12-30 CN CN201320882079.6U patent/CN203643778U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015197027A1 (en) * | 2014-06-27 | 2015-12-30 | 华为技术有限公司 | Method for accessing nvme storage device, and nvme storage device |
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Granted publication date: 20140611 |