CN105183696A - DSP-based control board - Google Patents
DSP-based control board Download PDFInfo
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- CN105183696A CN105183696A CN201510477221.2A CN201510477221A CN105183696A CN 105183696 A CN105183696 A CN 105183696A CN 201510477221 A CN201510477221 A CN 201510477221A CN 105183696 A CN105183696 A CN 105183696A
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Abstract
The present invention provides a DSP-based control board. The control board comprises two parts, a core board and an expansion board. The control board comprises a DSP digital signal processor, a power supply module, a reset module, a clock module, a JTAG1 download module, an external expansion RAM, an external expansion Flash, an expansion bus module, an analog and digital signal sampling module, an FPGA logic chip, a PWM output module, a JTAG2 download module, and an I/O expansion module. The present invention regards the DSP as a master operation processing unit, which completes a complex control algorithm, and the FPGA as a slave control expansion unit, which assists the DSP to complete expansion structure design and control a system logic signal. The DSP has the advantages of real-time and high-precision operations, and the FPGA has the advantages of logic function implementation, rich I/O resource, and flexible configuration. A system running speed is improved, and control system reliability is enhanced.
Description
Technical field:
The present invention relates to a kind of Control card circuit, particularly relate to a kind of Control card circuit based on DSP.
Background technology:
In recent years, along with the development of power electronic devices, the source technology that do not turn off power can be applicable to high-voltage power supply.The conducting that it controls to be not related to device by PWM ripple closes the height of regulation output voltage, adopts inverter circuit to improve the frequency of operation of transformer, greatly reduces volume and the weight of device; But controlling to export on PWM waveform, current many employings analogue type power supply chip as specific in UC3525, TL494 etc., these chips are subject to the impact of temperature drift or catabiosis, and can produce excessive departure, control accuracy decreases; Also have employing 8051 or AVR single chip as the intelligent digitalized control method of control core, this method overcomes the temperature drift and aging impact that adopt analog chip to bring, but the restriction of controlled working frequency of chip, cannot realize high frequency becomes and affects its widely used principal element.
At present, dsp chip is with fast operation, the advantage such as precision is high, antijamming capability is strong, in Electric Machine Control, the fields such as power drive are widely applied, oneself has frequency of operation to reach the dsp chip of 1GHz at present, can estimate the development along with being not related to power supply high frequency, dsp chip will become the mainstream chip controlling high-voltage power supply.
Summary of the invention:
The present invention, for solving prior art Problems existing, provides a kind of Control card based on DSP.A kind of Control card based on DSP has that communication speed is fast, data-handling capacity is strong, stable, the advantage that can control multiple full-control type inverter power unit.
In order to realize foregoing invention object, the technical solution used in the present invention is as follows:
Control card based on DSP adopts core board to add the mode of expansion board, and core board is DSP minimum system plate, and expansion board is take FPGA as the expansion board of core.Wherein, described core board comprises DSP, power module, reseting module, clock module, JTAG1 download module, extends out RAM, extends out Flash, expansion bus module; Expansion board comprises fpga logic chip, analog and digital signal sampling module, PWM output module, JTAG2 download module, power transfer module, I/O expansion module.
Especially, described a kind of Control card based on DSP comprises RS485 bus, conveniently communicates with host computer;
Especially, described a kind of Control card based on DSP comprises RS232 and CAN;
Especially, described a kind of Control card based on DSP comprises relay module;
Especially, to be describedly a kind ofly connected with other modular unit respectively, for Control card is powered based on power module in the Control card of DSP;
Especially, to be describedly a kind ofly connected with DSP based on reseting module in the Control card of DSP, for Control card provides electrification reset and power-off reset;
Especially, to be describedly a kind ofly connected with DSP, for system provides clock signal based on clock module in the Control card of DSP;
Especially, describedly a kind ofly address bus, data bus, CAP/EQEP signal, pwm signal, ADC, SCI, McBSP, CAN, SPI, read-write chip selection signal, look-at-me, power supply signal is comprised based on expansion bus module institute expansion bus in the Control card of DSP;
Especially, described a kind of based on fpga logic chip in the Control card of DSP and DSP, expansion bus model calling, the logic control and the I/O expansion that realize bus are expanded with other functional interfaces;
Especially, describedly a kind ofly adopt upper and lower lamination, separable structure based on core board and expansion board in the Control card of DSP, upper strata is core board, lower floor is expansion board, core board back has the double contact pin type of two row to extend out pin interface, can be inserted in the slot in expansion board, realize stacked be separated;
A kind of advantage of having based on the Control card of DSP of the present invention and good effect are:
1. a kind of Control card based on DSP of the present invention, Control card circuit all uses the chipset of technical grade, and number pick processing speed is very fast, and antijamming capability is strong, and stable, usable range is extensive.
2. the present invention adopts programmable logic chip FPGA to realize the expansion of I/O expansion and other functional interface, has amendment convenient, the feature that integrated level is high.
3. the present invention adopts dsp chip as main operation processing unit, fpga chip as from control expanding element, dsp chip and fpga chip are combinationally used, give full play to DSP in the advantage in real time and on high-accuracy arithmetic and the advantage of FPGA on logic function realization, arithmetic speed, abundant I/O resource and flexible configuration, improve the speed of system cloud gray model, enhance the reliability of control system.
4. the present invention adopts core board to add expansion board mode, when control chip burns out, only need change core board, reduce the wasting of resources, save cost.
5. volume of the present invention is little, and integrated level is high, powerful, can be embedded in control system easily.
Accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is a kind of Control card functional-block diagram based on DSP of the present invention;
Fig. 2 is a kind of Control card core board functional unit schematic diagram based on DSP of the present invention;
Fig. 3 is a kind of Control card expansion board functional unit schematic diagram based on DSP of the present invention.
Embodiment:
Below in conjunction with accompanying drawing and concrete embodiment, the present invention is further illustrated:
As shown in Figure 1, Figure 2 and Figure 3, a kind of Control card based on DSP adopts core board to add the mode of expansion board.Core board is DSP minimum system plate, and expansion board is take FPGA as the expansion board of core.Wherein, described core board comprises DSP, power module, reseting module, clock module, JTAG1 download module, extends out RAM, extends out Flash, expansion bus module; Expansion board comprises fpga logic unit, analog and digital signal sampling module, PWM output module, JTAG2 download module, power transfer module, I/O expansion module.
Described DSP adopts 32 fixed point single-precision floating point high speed TMS320F28335 processors of TI company, this processor working frequency is 150MHz, has 12 ADC of the CPU timer of 3 32,16 passages, 18 passage PWM and has SPI, SCI, McBSP and PC bus etc.
Described power module respectively with other above-mentioned model calling, for controller provides power supply; Power module introduces+5V power supply by Switching Power Supply, and input current is+2.5A, is realized the conversion of+5V to+3.3V ,+1.9V by TPS767D301, realizes+5V to+1.2V change by ASM1117-1.2.
Described reseting module is connected with DSP, for control processor provides electrification reset and power-off reset; Electrification reset, startup that can be correct when guaranteeing system electrification, power-off reset, when power-fail or voltage drop to below a certain magnitude of voltage, produces reset signal and carries out system reset, specifically realized by MAX811.
Described clock module adopts internal oscillator, connects the quartz crystal of a 30MHz between X1 and the X2 pin of TMS320F28335 chip, and by the PLL function of programming selection 5 frequency multiplication, the frequency of operation realizing TMS320F28335 is 150MHz.
IS6ILV25616 chip selected by the described RAM of extending out storer, extends out flash storage and selects SST39VF800 chip.
Described expansion bus module institute expansion bus comprises address bus, number pick bus, CAP/EQEP signal, pwm signal, ADC, SCI, McBSP, CAN, SPI, read-write chip selection signal, look-at-me, power supply signal.
Described control panel comprises RS232, RS485, CAN, relay module, and control panel supports multiple communication modes, easily can carry out status monitoring and the remote monitoring of system.
Described fpga logic unit adopts CycloneII to be connected to fpga chip EP2C8Q208C8 for the address bus of chip EP2C8Q208C8, TMS320F28335 and data bus, controls fpga chip work by the enable signal of address signal and each chip; The command signal of dsp processor resolves into the drive singal of 18 road optoelectronic transceivers through fpga chip, control 18 power cells and produce PWM ripple, the status information of power cell sends fpga chip to through optoelectronic transceivers again, again after information processing, send information to dsp processor and process.
Describedly a kind ofly adopt upper and lower lamination, separable structure based on core board and expansion board in the Control card of DSP, upper strata is core board, and lower floor is expansion board, and core board back has the double contact pin type of two row to extend out pin interface, can be inserted in the slot in expansion board, realize stacked be separated.
A kind of advantage of having based on the Control card of DSP of the present invention and good effect are: Control card circuit of the present invention all uses the chipset of technical grade, and data processing speed is very fast, and antijamming capability is strong, and stable, usable range is extensive; The present invention adopts programmable logic chip FPGA to realize the expansion of I/O expansion and other functional interface, has amendment convenient, the feature that integrated level is high; The present invention adopts dsp chip as main operation processing unit, fpga chip as from control expanding element, dsp chip and fpga chip are combinationally used, give full play to DSP in the advantage in real time and on high-accuracy arithmetic and the advantage of FPGA on logic function realization, arithmetic speed, abundant I/O resource and flexible configuration, improve the speed of system cloud gray model, enhance the reliability of control system; The present invention adopts core board to add expansion board mode, when DSP control chip burns out, only need change core board, reduce the wasting of resources, save cost; Volume of the present invention is little, and integrated level is high, powerful, can be embedded in control system easily.
The elaboration of book according to the above description, those skilled in the art in the invention can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this instructions, these terms just for convenience of description.
Claims (6)
1. the Control card based on DSP, it is characterized in that, described Control card comprises DSP, power module, reseting module, clock module, JTAG1 download module, extends out RAM, extends out Flash, expansion bus module, fpga logic chip, analog and digital signal sampling module, PWM output module, JTAG2 download module, power transfer module, I/O expansion module;
Power module is connected with other modular unit respectively, for Control card is powered;
Reseting module is connected with DSP, for Control card provides electrification reset and power-off reset;
Clock module is connected with DSP, for system provides clock signal;
Fpga logic chip and DSP, expansion bus model calling, the logic control and the I/O expansion that realize bus are expanded with other functional interfaces.
2. a kind of Control card based on DSP as claimed in claim 1, it is characterized in that described Control card adopts core board to add the mode of expansion board, core board and expansion board adopt upper and lower lamination, separable structure, upper strata is core board, lower floor is expansion board, core board back has the double contact pin type of two row to extend out pin interface, is inserted in the slot in expansion board.
3. a kind of Control card based on DSP as claimed in claim 1, is characterized in that the DSP of described Control card adopts the TMS320F28335 device of TI company.
4. a kind of Control card based on DSP as claimed in claim 1, is characterized in that the fpga logic chip of described Control card adopts CycloneII for chip EP2C8Q208C8.
5. a kind of Control card based on DSP as claimed in claim 1, is characterized in that described Control card extends out RAM and adopts IS6ILV25616 chip, extends out Flash and adopt SST39VF800 chip.
6. a kind of Control card based on DSP as claimed in claim 1, is characterized in that described Control card comprises RS232, RS485, CAN and relay module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510477221.2A CN105183696A (en) | 2015-08-03 | 2015-08-03 | DSP-based control board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510477221.2A CN105183696A (en) | 2015-08-03 | 2015-08-03 | DSP-based control board |
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| CN105183696A true CN105183696A (en) | 2015-12-23 |
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| CN201510477221.2A Pending CN105183696A (en) | 2015-08-03 | 2015-08-03 | DSP-based control board |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107786852A (en) * | 2017-11-17 | 2018-03-09 | 上海遨拓深水装备技术开发有限公司 | A kind of submersible high-speed high capacity data transfer and storage system |
| CN108052051A (en) * | 2018-02-13 | 2018-05-18 | 云南民族大学 | A kind of AGV control systems based on STM32 and CPLD |
| CN110032540A (en) * | 2019-04-11 | 2019-07-19 | 北京宙心科技有限公司 | A kind of artificial intelligence edge calculations equipment |
| CN110311752A (en) * | 2019-06-14 | 2019-10-08 | 杭州爱科科技股份有限公司 | For the quick stable communication means and its communication device fastly of chip chamber |
| CN110515321A (en) * | 2018-05-22 | 2019-11-29 | 上海优爱宝智能机器人科技股份有限公司 | The happy high platform of industry |
| CN113325766A (en) * | 2021-05-26 | 2021-08-31 | 珠海格力电器股份有限公司 | Drive control chip, warm equipment of ventilating |
| CN113886304A (en) * | 2021-09-06 | 2022-01-04 | 浪潮集团有限公司 | PXIe measurement and control backboard |
| CN114721494A (en) * | 2022-06-07 | 2022-07-08 | 深圳市明珞锋科技有限责任公司 | Power supply output electricity digital data processing method |
-
2015
- 2015-08-03 CN CN201510477221.2A patent/CN105183696A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107786852A (en) * | 2017-11-17 | 2018-03-09 | 上海遨拓深水装备技术开发有限公司 | A kind of submersible high-speed high capacity data transfer and storage system |
| CN108052051A (en) * | 2018-02-13 | 2018-05-18 | 云南民族大学 | A kind of AGV control systems based on STM32 and CPLD |
| CN110515321A (en) * | 2018-05-22 | 2019-11-29 | 上海优爱宝智能机器人科技股份有限公司 | The happy high platform of industry |
| CN110032540A (en) * | 2019-04-11 | 2019-07-19 | 北京宙心科技有限公司 | A kind of artificial intelligence edge calculations equipment |
| CN110311752A (en) * | 2019-06-14 | 2019-10-08 | 杭州爱科科技股份有限公司 | For the quick stable communication means and its communication device fastly of chip chamber |
| CN110311752B (en) * | 2019-06-14 | 2022-04-08 | 杭州爱科科技股份有限公司 | Communication method and communication device for rapid, fast and stable communication between chips |
| CN113325766A (en) * | 2021-05-26 | 2021-08-31 | 珠海格力电器股份有限公司 | Drive control chip, warm equipment of ventilating |
| CN113886304A (en) * | 2021-09-06 | 2022-01-04 | 浪潮集团有限公司 | PXIe measurement and control backboard |
| CN114721494A (en) * | 2022-06-07 | 2022-07-08 | 深圳市明珞锋科技有限责任公司 | Power supply output electricity digital data processing method |
| CN114721494B (en) * | 2022-06-07 | 2022-09-02 | 深圳市明珞锋科技有限责任公司 | Power supply output electricity digital data processing method |
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Application publication date: 20151223 |