CN203759693U - High-performance high-tension frequency variation controller based on PCI bus - Google Patents
High-performance high-tension frequency variation controller based on PCI bus Download PDFInfo
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- CN203759693U CN203759693U CN201420063676.0U CN201420063676U CN203759693U CN 203759693 U CN203759693 U CN 203759693U CN 201420063676 U CN201420063676 U CN 201420063676U CN 203759693 U CN203759693 U CN 203759693U
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Abstract
The utility model provides a high-performance high-tension frequency variation controller based on a PCI bus. The high-performance high-tension frequency variation controller at least comprises a PWM trigger plate using a digital processing chip as a control core, an analog interface plate, and a digital interface plate. The high-performance high-tension frequency variation controller is characterized by further comprising a master control unit using an x86 microprocessor as a master control chip; the master control unit performs data exchange with the PWM trigger plate, the analog interface plate and the digital interface plate through the PCI bus. The high-performance high-tension frequency variation controller has the advantages that computing precision and speed are high, communication rate is ultra-high, resistance to strong electromagnetic interference is high, and the multifunctional high-integrity design is convenient and flexible.
Description
Technical field
The utility model relates to a kind of high-performance high-pressure frequency-conversion controller based on pci bus, belongs to high-pressure frequency-conversion controller technology field.
Background technology
Under the situation of energy scarcity, China improves day by day to energy-saving and cost-reducing attention degree, has therefore accelerated the transformation that highly energy-consuming industry existing equipment is saved energy and reduce the cost.High voltage converter is widely applied at industrial circle as a kind of products that save energy and resources.High voltage converter is the equipment that the alternating current of fixed frequency is transformed to the continuously adjustable alternating current of frequency, thereby can play energy-conservation effect.High voltage converter is generally made up of two parts: the one, and partial power, it is to use various power electronics semiconductor device, realizes the functional circuit of form of power conversion; The 2nd, control section, partial power is to rely on control section driving work, this part has determined serviceability, the operating performance etc. of frequency converter.At present, the control section of most high voltage converters is using single-chip microcomputer as main control core, need to carry out data acquisition and calculation process, current/voltage adjusting, pwm signal generation, system status monitoring and fault diagnosis etc., task is heavy, so not only introduce the error of calculation, make algorithm become complicated simultaneously, reduced speed and the precision of system.Along with the development of industrial technology, the performance requirement of high-pressure frequency-conversion controller is also improved day by day, the frequency of operation of the high-pressure frequency-conversion controller using single-chip microcomputer as master control core and data processing speed are difficult to meet the requirement of high-frequency circuit.
Summary of the invention
The purpose of this utility model is to provide the high-pressure frequency-conversion controller that a kind of processing speed is fast, precision is high, communication speed is fast.
In order to achieve the above object, the technical solution of the utility model has been to provide a kind of high-performance high-pressure frequency-conversion controller based on pci bus, PWM trigger board, analog quantity interface board and digital quantity interface board that at least to comprise by 32 floating type digital processing chips be control core, it is characterized in that: also comprise the main control unit using x86 microprocessor as main control chip, main control unit carries out exchanges data by pci bus and PWM trigger board, analog quantity interface board and digital quantity interface board.
Preferably, described PWM trigger board, analog quantity interface board and digital quantity interface board access described pci bus by buffer separately respectively.
The advantage of x86 microprocessor in control ability and software development and the data-handling capacity of DSP, make both can combined efforts, brings into play separately speciality, thereby ensure accuracy and the reliability of high-pressure frequency-conversion controller.In the utility model, x86 microprocessor, by pci bus, carries out exchanges data with PWM trigger board, analog quantity interface board, digital quantity interface board, receives data and state from each interface board, carry out data computing and obtain new controlling value, send to PWM trigger board; PWM trigger board sends master control order by optical fiber interface plate to each unit, completes whole control.Pci bus is as the data exchange channel of x86 microprocessor and each board, and data processing rate and performance far surpass other conventional bus means.
Aspect anti-interference, the extensive application of optical fiber technology, makes system break away from traditional telecommunication mode, thereby has eliminated the failure problems that strong electromagnetic causes.Circuit board can adopt 4 layers of wiring in addition, crystal art, and Surface Mount circuit, European connector, further strengthens antijamming capability.
The utlity model has following advantage: high performance computational accuracy and speed; Ultrafast traffic rate; Superpower anti-strong electromagnetic ability; Multi-functional high integration design conveniently and flexibly.
Brief description of the drawings
The schematic diagram of a kind of high-performance high-pressure frequency-conversion controller based on pci bus that Fig. 1 provides for the utility model.
Embodiment
For the present invention is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
As shown in Figure 1, a kind of high-performance high-pressure frequency-conversion controller based on pci bus that the utility model provides, the main x86 microprocessor that adopts is as Master control chip, and other board also comprises PWM trigger board, analog quantity interface board, digital quantity interface board, the optical fiber interface plate for control core by 32 floating type digital processing chips (DSP).By pci bus, between x86 microprocessor and each board, carry out exchanges data, then carry out data computing and obtain new controlling value, deliver to PWM trigger board, send master control order via optical fiber interface plate to each unit.
Each several part principle and Functional Design are as follows:
(1) x86 microprocessor
The PC/104 module that adopts SBS Co., Ltd. is the highly integrated CPU module of one.It adopts AMD x86 microprocessor is core, and highest running speed can reach 300MHz, supports pci bus at plate, and the powerful system component of being convenient to expansion is provided.X86 microprocessor major function is that the data that obtain according to communication exchange calculate new controlling value.
(2) PWM trigger board
The acp chip of PWM trigger board is 32 floating type digital processing chips (DSP).DSP is the TMS320F28335 floating point DSP that American TI Company is released, dominant frequency 150MHz, and wherein low 16 bit address buses have formed the external parallel bus of DSP together with 16 bit data bus, and floating number is calculated, standard C language programming.
(3) analog quantity interface board and digital quantity interface board
The acp chip of analog quantity interface board and digital quantity interface board is also 32 floating type digital processing chips (DSP), main external analog amount and the digital quantity of receiving, be processed into needed calculated amount, and send x86 microprocessor to by pci bus, receive the information of x86 microprocessor simultaneously, and outwards output.
(4) optical fiber interface plate
What optical fiber communication adopted is transmission, the receptacle of Agilent company, and traffic rate can reach 5MHz.Main control part and power cell are by fibre optic data transmission, and data volume is large, and communication speed is high, and anti-electromagnetic interference capability is strong.
Below in conjunction with schematic diagram and above-mentioned functions, briefly state the principle that realizes of the present invention: first, PWM trigger board receives measurement data and the state of each unit by optical fiber interface plate, be stored in buffer DRAM after processing; Meanwhile, analog quantity interface board and digital quantity interface board receive external analog amount and digital quantity, process rear and are stored in buffer DRAM; Then, x86 microprocessor reads the information being stored in buffer DRAM by pci bus, carries out computing and obtains new controlling value, and send in buffer DRAM by pci bus; Finally, analog quantity interface board and digital quantity interface board send analog quantity and digital output from DRAM reading information and to outside, and DSP trigger board reads new controlling value, and by optical fiber interface plate, new control command is sent to each unit, coordinate each unit and jointly complete frequency adjustment.
Claims (2)
1. the high-performance high-pressure frequency-conversion controller based on pci bus, PWM trigger board, analog quantity interface board and digital quantity interface board that at least to comprise by 32 floating type digital processing chips be control core, it is characterized in that: also comprise the main control unit using x86 microprocessor as main control chip, main control unit carries out exchanges data by pci bus and PWM trigger board, analog quantity interface board and digital quantity interface board.
2. a kind of high-performance high-pressure frequency-conversion controller based on pci bus as claimed in claim 1, is characterized in that: described PWM trigger board, analog quantity interface board and digital quantity interface board access described pci bus by buffer (DRAM) separately respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063676.0U CN203759693U (en) | 2014-02-13 | 2014-02-13 | High-performance high-tension frequency variation controller based on PCI bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063676.0U CN203759693U (en) | 2014-02-13 | 2014-02-13 | High-performance high-tension frequency variation controller based on PCI bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203759693U true CN203759693U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420063676.0U Expired - Lifetime CN203759693U (en) | 2014-02-13 | 2014-02-13 | High-performance high-tension frequency variation controller based on PCI bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203759693U (en) |
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2014
- 2014-02-13 CN CN201420063676.0U patent/CN203759693U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200240 Shanghai city Minhang District Jianchuan Road No. 1115 Patentee after: SHANGHAI POWER EQUIPMENT Research Institute Patentee after: SHANGHAI KEDA ELECTROMECHANICAL CONTROL Co.,Ltd. Address before: 200240 Shanghai city Minhang District Jianchuan Road No. 1115 Patentee before: SHANGHAI POWER EQUIPMENT Research Institute Patentee before: SHANGHAI KEDA ELECTROMECHANICAL CONTROL Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210927 Address after: 200240 Shanghai city Minhang District Jianchuan Road No. 1115 Patentee after: SHANGHAI POWER EQUIPMENT Research Institute Address before: 200240 Shanghai city Minhang District Jianchuan Road No. 1115 Patentee before: SHANGHAI POWER EQUIPMENT Research Institute Patentee before: SHANGHAI KEDA ELECTROMECHANICAL CONTROL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
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| CX01 | Expiry of patent term |