CN206321987U - A kind of signal processing system - Google Patents
A kind of signal processing system Download PDFInfo
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- CN206321987U CN206321987U CN201621398172.XU CN201621398172U CN206321987U CN 206321987 U CN206321987 U CN 206321987U CN 201621398172 U CN201621398172 U CN 201621398172U CN 206321987 U CN206321987 U CN 206321987U
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- signal processing
- processing system
- coprocessor
- processor module
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Abstract
The utility model discloses a kind of signal processing system, including a processor module, the processor module includes DSP double-cores process chip and a coprocessor, and the processor module is connected to power module, communication interface modules, RTC clock module, memory module, differential processing module, filtration module, input and output module and temperature sensor module.A kind of signal processing system of the utility model, can reduce the total consumption time of external analog sampling, while improving the interference free performance of system, the problem of solving drift improves sampling precision.Processor module includes DSP double-cores process chip and coprocessor, can be communicated during system operation with coprocessor, and sampled-data processing is carried out with DSP double-cores process chip, improves overall external interaction capabilities；Diversified communication interface modules make it that user can adjust communication framework according to the actual requirements, and versatility is good.
Description
Technical field
The utility model belongs to the application field of distribution terminal signal processing technology, more particularly to a kind of signal transacting system
System.
Background technology
In the last few years with the deep construction of intelligent distribution network, the intelligent grid coverage rate of China is gradually lifted, in intelligence
Under the requirement of power grid construction, collection, the monitoring of load, the monitoring of ordered electric of the feed line automatization system to user power utilization information
It is more and more deep Deng work, requirement to feeder automation feeder system terminal also more and more higher.In order to adapt to intelligent grid
High speed development, feeder automation feeder system terminal needs sampling precision ageing, higher faster and main website more smoothly
Information communicates and preferably compatible, and existing feeder system terminal can not solve the above problems simultaneously.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of signal processing system, with timeliness
It hurry up, sampling precision is high, strong interaction capabilities and the advantages of good versatility.
The utility model solve technical scheme that its technical problem used for：A kind of signal processing system, including at one
Device module is managed, the processor module includes DSP double-cores process chip and a coprocessor, and the processor module is connected respectively
There are power module, communication interface modules, RTC clock module, memory module, differential processing module, filtration module, input and output mould
Block and temperature sensor module.
Further, the coprocessor is that PLC technology restrains accelerator.
Further, the communication interface modules includes 8 road communication serial ports, 2 road Ethernet interfaces and 1 road USB interface.
Further, the processor module is also associated with a JTAG debugging interface modules.
Further, the power module include a DCDC power supply chips, the simulation of the DCDC power supply chips and numeral
The inductance of buffer action together is connected between ground.
Further, two-wire I is passed through between the temperature sensor module and processor module2C interface is connected.
Further, the differential processing module includes the potential difference of 8 tunnel 16 point ADC processing units.
Further, the filtration module includes 8 road Sigma-Delta filter units.
The beneficial effects of the utility model have：A kind of signal processing system of the utility model, can reduce external analog sampling
The total consumption time, while improve the interference free performance of system, the problem of solving drift improves sampling precision.Processing
Device module includes DSP double-cores process chip and coprocessor, can be communicated during system operation with coprocessor, double with DSP
Core process chip carries out sampled-data processing, improves overall external interaction capabilities；Diversified communication interface modules to use
Family can adjust communication framework according to the actual requirements, and versatility is good.
Brief description of the drawings
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail, wherein：
Fig. 1 is a kind of structural representation of signal processing system of the utility model.
Embodiment
Referring to Fig. 1, Fig. 1 is a kind of structural representation of signal processing system of the utility model.The utility model one kind letter
Number processing system, including a processor module 1, the processor module 1 include DSP double-cores process chip and a coprocessor,
The processor module 1 is connected to power module 2, communication interface modules 3, RTC clock module 4, memory module 5, difference
Processing module 6, filtration module 7, input and output module 8 and temperature sensor module 9.The system is with primary processor+coprocessor
For core, design a kind of with powerful disposal ability, high data throughput, the signal transacting that can work independently of high speed storing
System, primary processor is DSP double-core process chips, and DSP double-core process chips substantially increase the speed of floating-point operation, greatly
Ground saves the time that sequential operation is consumed.System is additionally provided with coprocessor, and the coprocessor is restrained for PLC technology
Accelerator, abbreviation CLA units.CLA units are a single-precision floating point processing units independent with CPU phases, possess the total of oneself
Cable architecture, fetching mechanism and pipelined architecture, realize communication function in the application, coordinate with DSP double-cores process chip and complete
The communication and processing of data, improve overall external interaction capabilities.
The communication interface modules 3 includes 8 road communication serial ports, 2 road Ethernet interfaces and 1 road USB interface, specially 8
RS232 serial ports, 2 RJ45 network interfaces, 1 MAC and PHY USB2.0 ports USB interface.Communication interface modules 3 uses light
It is electrically isolated or transformer isolation technology, to reach the security of communication data, possesses DL/T-721-2013 power industry marks
The highest ranking antijamming capability of electromagnetic compatibility test as defined in accurate.In addition, RS232 interfaces may be alternatively provided as RS485 interfaces.It is rich
Rich correspondence with foreign country port causes the compatible plurality of communication systems of the system, and communication framework can be adjusted according to the actual requirements,
With sufficient practicality and scalability.
The processor module 1 is also associated with a JTAG debugging interface modules.JTAG debugging interface modules use USB interface
Form, have the advantages that to occupy little space and be easy to debugging.
The power module 2 include a DCDC power supply chips, the simulation of the DCDC power supply chips and digitally between
It is connected with the inductance of buffer action together.Power module 2 is using the outside unified DC5V power supplys provided, and DCDC power supply chips can be same
When meet system needed for multiple voltage grade.Inductance is with making simulation with digitally separating, communication power supply and processor system electricity
Source is mutually isolated, to reach more preferable Signal sampling and processing effect.
Pass through two-wire I between the temperature sensor module 9 and processor module 12C interface is connected, real-time monitoring system
Temperature, be easy to comprehensively grasp system operation conditions.It is single that the differential processing module 6 includes the potential difference of 8 tunnel 16 point ADC processing
Member, with high precision, data throughput rate is fast the characteristics of, and per road differential path built-in analog comparator, if outside to hand over
Flow is inputted, and can take into account the real-time frequency for measuring each passage.The filtration module 7 includes 8 road Sigma-Delta and filters list
Member, its precision is identical with 16 potential differences point ADC processing units.In addition, Sigma-Delta filter units can be external in actual applications
Electronic sensor, can greatly reduce the cost of complexes.
Processor module 1 includes DSP double-cores process chip and coprocessor, can be carried out during system operation with coprocessor
Communication, sampled-data processing is carried out with DSP double-cores process chip, improves overall external interaction capabilities.Power module 2 includes
DCDC power supply chips, inductance and electric capacity, use the DC5V voltage conversions that outside is provided into system by DCDC power supply chips
DC3.3V and DC1.8V voltages, wherein, DCDC power supply chips are specially LM62420 power supply chips, LM62420 power supply chips tool
There is single supply to input the output of two-way regulated power supply, high efficiency conversion, input overvoltage protection, soft start and wide operating temperature range etc.
Advantage.Some by RTC clock module 4 to internal system need data to be saved to store, and when being provided for system
Clock.Memory module 5 is a SPI Flash circuits, swaps and stores for the big data to system.Differential processing module 6
Sampled by way of Differential Input, the problem of improving the interference free performance of sampling system, and solve drift, phase
Measured frequency design more independent than conventional external, has the advantages that reliability height and low cost.Gather outside into module by opening
Remote signalling data, by output module control driving outside circuit.The temperature sensor module 9 and processor module 1 it
Between pass through two-wire I2C interface is connected, the temperature of real-time monitoring system, is easy to comprehensively grasp the operation conditions of system.
The utility model carries out signal acquisition using the scheme of data signal+analog clock signal, can reduce external analog
The total consumption time of sampling, the resource consumption of system is saved while data throughput is lifted, low work(is adequately achieved
Consumption.The utility model is applied also among other embedded systems based on high-speed computation, and can carry out polylith core
The cascade of heart signal-processing board, the whole machine speed of service higher to reach, lifting uses the overall performance of equipment, with very
High practicality, autgmentability and versatility.
The above, simply better embodiment of the present utility model, but the utility model is not limited to above-mentioned reality
Example is applied, as long as it reaches technique effect of the present utility model with any same or similar means, should all belong to of the present utility model
Protection domain.
Claims (8)
1. a kind of signal processing system, it is characterised in that：Including a processor module（1）, the processor module（1）Including
DSP double-cores process chip and a coprocessor, the processor module（1）It is connected to power module（2）, communication interface mould
Block（3）, RTC clock module（4）, memory module（5）, differential processing module（6）, filtration module（7）, input and output module（8）
And temperature sensor module（9）.
2. a kind of signal processing system according to claim 1, it is characterised in that：The coprocessor is PLC technology
Restrain accelerator.
3. a kind of signal processing system according to claim 1, it is characterised in that：The communication interface modules（3）Including 8
Road communication serial port, 2 road Ethernet interfaces and 1 road USB interface.
4. a kind of signal processing system according to claim 1, it is characterised in that：The processor module（1）It is also connected with
There are a JTAG debugging interface modules.
5. a kind of signal processing system according to claim 1, it is characterised in that：The power module（2）Including one
DCDC power supply chips, the simulation ground of the DCDC power supply chips and digitally between be connected with the inductance of buffer action together.
6. a kind of signal processing system according to claim 1, it is characterised in that：The temperature sensor module（9）With
Processor module（1）Between pass through two-wire I2C interface is connected.
7. a kind of signal processing system according to claim 1, it is characterised in that：The differential processing module（6）Including 8
The potential difference of road 16 point ADC processing units.
8. a kind of signal processing system according to claim 1, it is characterised in that：The filtration module（7）Including 8 tunnels
Sigma-Delta filter units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398172.XU CN206321987U (en) | 2016-12-19 | 2016-12-19 | A kind of signal processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398172.XU CN206321987U (en) | 2016-12-19 | 2016-12-19 | A kind of signal processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206321987U true CN206321987U (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621398172.XU Active CN206321987U (en) | 2016-12-19 | 2016-12-19 | A kind of signal processing system |
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| Country | Link |
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| CN (1) | CN206321987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107680001A (en) * | 2017-08-01 | 2018-02-09 | 国网陕西省电力公司电力科学研究院 | Signal processing system and its double-core exchange method based on double-core embedded type processor |
| CN111049661A (en) * | 2019-11-26 | 2020-04-21 | 深圳欧陆通电子股份有限公司 | Digital network interface circuit |
-
2016
- 2016-12-19 CN CN201621398172.XU patent/CN206321987U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107680001A (en) * | 2017-08-01 | 2018-02-09 | 国网陕西省电力公司电力科学研究院 | Signal processing system and its double-core exchange method based on double-core embedded type processor |
| CN111049661A (en) * | 2019-11-26 | 2020-04-21 | 深圳欧陆通电子股份有限公司 | Digital network interface circuit |
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