CN204479667U - A kind of portable electric energy quality analysis system based on DSP and ARM - Google Patents
A kind of portable electric energy quality analysis system based on DSP and ARM Download PDFInfo
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- CN204479667U CN204479667U CN201520081656.0U CN201520081656U CN204479667U CN 204479667 U CN204479667 U CN 204479667U CN 201520081656 U CN201520081656 U CN 201520081656U CN 204479667 U CN204479667 U CN 204479667U
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Abstract
The utility model discloses a kind of portable electric energy quality analysis system based on DSP and ARM, it comprises signal condition system, data acquisition and processing (DAP) device, association controller, data buffer and ARM embedded system, described signal condition system is connected on data acquisition and processing (DAP) device, described data acquisition and processing (DAP) device branch is connected in ARM embedded system by association's controller and data buffer, and described data acquisition and processing (DAP) device is also connected in ARM embedded system.Its advantage is: realize data acquisition and procession by DSP, calculates every power quality index fast and accurately, can carry out steady-state analysis and transient analysis, simultaneously by functions such as ARM embedded system finishing man-machine interaction, data storage, displays in real time.
Description
Technical field
The utility model relates to electric power monitoring field, relates to a kind of portable electric energy quality analysis system based on DSP and ARM in particular.
Background technology
Along with the expansion of National Industrial scale and the development of science and technology, network load structure has a very large change, and on the one hand, a large amount of growths of non-linear, impact and uncompensated load make the quality of power supply worsen; On the other hand, along with the development of infotech.The requirement of increasing sensitive loads to the quality of power supply is also more and more higher.This just requires that Power Quality Detection analytical equipment has the ability of real-time detection, express-analysis, display in real time.
Utility model content
The utility model provides a kind of portable electric energy quality analysis system based on DSP and ARM, it realizes data acquisition and procession by DSP, calculate every power quality index fast and accurately, steady-state analysis and transient analysis can be carried out, simultaneously by functions such as ARM embedded system finishing man-machine interaction, data storage, displays in real time.
For solving above-mentioned technical matters, the utility model by the following technical solutions:
A kind of portable electric energy quality analysis system based on DSP and ARM, it comprises signal condition system, data acquisition and processing (DAP) device, association controller, data buffer and ARM embedded system, described signal condition system is connected on data acquisition and processing (DAP) device, described data acquisition and processing (DAP) device branch is connected in ARM embedded system by association's controller and data buffer, and described data acquisition and processing (DAP) device is also connected in ARM embedded system.The utility model signal condition system acceptance line voltage current input signal, and conditioned signal is sent to data acquisition and processing (DAP) device; And realize the acquisition and processing to data by data acquisition and processing (DAP) device; Association's controller for generation of adopting clock, complete the sequential control of sampling channel, integrated data buffer reads clocked logic, the setting of NIC address steering logic and DSP start-up mode.
Further technical scheme is:
Also comprise power-supply system, described power-supply system branch is connected with ARM embedded system with data acquisition and processing (DAP) device.Power-supply system can provide power supply to data acquisition and processing (DAP) device and ARM embedded system, and conversely, ARM embedded system also can carry out control and management to power-supply system.
Described signal condition system comprises prime modulate circuit.
Described data acquisition and processing (DAP) device comprises A/D converter, DSP and dynamic RAM, and described A/D converter, DSP are connected successively with dynamic RAM.
Described prime modulate circuit is connected on A/D converter, and A/D converter is connected on association's controller, and described DSP is connected in ARM embedded system by SPI interface.
Described ARM embedded system comprises arm processor and branch and is connected to data-carrier store, dynamic RAM, LCD interface, USB interface, SD card interface, network card interface, optoisolator interface and keyboard touch screen interface on arm processor.
Compared with prior art, the beneficial effects of the utility model are:
1, DSP of the present utility model realizes data acquisition and procession, calculates every power quality index fast and accurately, can carry out steady-state analysis and transient analysis, and by ARM embedded system can finishing man-machine interaction, data store, the function such as in real time display.
2, reliability of the present utility model is high, and provides good platform for realizing the intelligent and networking of power quality analyzer.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is system chart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Embodiment of the present utility model includes but not limited to the following example.
[embodiment 1]
A kind of portable electric energy quality analysis system based on DSP and ARM as shown in Figure 1, it comprises signal condition system, data acquisition and processing (DAP) device, association controller, data buffer and ARM embedded system, described signal condition system is connected on data acquisition and processing (DAP) device, described data acquisition and processing (DAP) device branch is connected in ARM embedded system by association's controller and data buffer, and described data acquisition and processing (DAP) device is also connected in ARM embedded system.
The utility model signal condition system realizes the input of line voltage electric current and conditioned signal is input to data acquisition and processing (DAP) device, the acquisition and processing of the complete pair signals of data acquisition and processing (DAP) device.The functions such as the complete field man-machine interaction of ARM embedded system, data storage and display in real time.
[embodiment 2]
The present embodiment, on the basis of embodiment 1, also comprises power-supply system, and described power-supply system branch is connected with ARM embedded system with data acquisition and processing (DAP) device.Power-supply system is not only data acquisition and processing (DAP) device and ARM embedded system provides power supply, and ARM embedded system also can carry out management control to power-supply system conversely.
[embodiment 3]
The present embodiment, on the basis of above-described embodiment, has done concrete refinement: described signal condition system comprises prime modulate circuit.
Described data acquisition and processing (DAP) device comprises A/D converter, DSP and dynamic RAM, and described A/D converter, DSP are connected successively with dynamic RAM.
Described prime modulate circuit is connected on A/D converter, and A/D converter is connected on association's controller, and described DSP is connected in ARM embedded system by SPI interface.DSP is connected with ARM embedded system by SPI interface, can realize the order transmission between ARM embedded system and DSP.
The line voltage current input signal that prime modulate circuit of the present utility model receives, and conditioned signal is sent to A/D converter.Association's controller can select CPLD chip its be mainly used for producing sampling clock required for A/D converter, setting that the sequential control completing sampling channel, integrated data buffer read clocked logic, NIC address steering logic and DSP start-up mode.DSP selects the ADSP-21161N32 position float-point DSP of ADI company.This chip adopts super Harvard structure, has many internal buss, high-speed computation unit, mass storage, flexile external interface.Its core operating frequency can reach 100 MHz, and external bus work frequency can reach 50 MHz, and calculation process speed up to 600 MIPS, can achieve higher processing power with lower frequency of operation, reduce power consumption simultaneously.And the IDE environment that ADI company provides makes according to process tolerance body greatly facilitates dsp software exploitation, play the performance of processor to the full extent.DSP realizes voltage, the timely collection of current signal obtains power quality parameter.
[embodiment 4]
The present embodiment, on the basis of above-described embodiment, has done following refinement: described ARM embedded system comprises arm processor and branch and is connected to data-carrier store, dynamic RAM, LCD interface, USB interface, SD card interface, network card interface, optoisolator interface and keyboard touch screen interface on arm processor.
ARM embedded system adopts arm processor, and on arm processor, arrange multiple external interface.Wherein arm processor can select Samsung arm processor S3C2410 chip, and LCD interface is used for the driving of TFT liquid crystal display; USB interface is applicable to multiple PnP device; SD card interface can insert Large Copacity SD card and store for data; Touch screen interface can realize touch-screen and control.In order to realize the networking of instrument, this system extension network card chip CS890OA; In order to the security of system debug, RS 232 interface is carried out isolation processing.The functions such as ARM embedded system finishing man-machine interaction, data store, display in real time.
Be embodiment of the present utility model as mentioned above.The utility model is not limited to above-mentioned embodiment, and anyone should learn the structure change made under enlightenment of the present utility model, and every have identical or close technical scheme with the utility model, all falls within protection domain of the present utility model.
Claims (6)
1. the portable electric energy quality analysis system based on DSP and ARM, it is characterized in that: it comprises signal condition system, data acquisition and processing (DAP) device, association controller, data buffer and ARM embedded system, described signal condition system is connected on data acquisition and processing (DAP) device, described data acquisition and processing (DAP) device branch is connected in ARM embedded system by association's controller and data buffer, and described data acquisition and processing (DAP) device is also connected in ARM embedded system.
2. a kind of portable electric energy quality analysis system based on DSP and ARM according to claim 1, it is characterized in that: also comprise power-supply system, described power-supply system branch is connected with ARM embedded system with data acquisition and processing (DAP) device.
3. a kind of portable electric energy quality analysis system based on DSP and ARM according to claim 1, is characterized in that: described signal condition system comprises prime modulate circuit.
4. a kind of portable electric energy quality analysis system based on DSP and ARM according to claim 3, it is characterized in that: described data acquisition and processing (DAP) device comprises A/D converter, DSP and dynamic RAM, and described A/D converter, DSP are connected successively with dynamic RAM.
5. a kind of portable electric energy quality analysis system based on DSP and ARM according to claim 4, it is characterized in that: described prime modulate circuit is connected on A/D converter, and A/D converter is connected on association's controller, described DSP is connected in ARM embedded system by SPI interface.
6. a kind of portable electric energy quality analysis system based on DSP and ARM according to claim 1, is characterized in that: described ARM embedded system comprises arm processor and branch and is connected to data-carrier store, dynamic RAM, LCD interface, USB interface, SD card interface, network card interface, optoisolator interface and keyboard touch screen interface on arm processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520081656.0U CN204479667U (en) | 2015-02-05 | 2015-02-05 | A kind of portable electric energy quality analysis system based on DSP and ARM |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520081656.0U CN204479667U (en) | 2015-02-05 | 2015-02-05 | A kind of portable electric energy quality analysis system based on DSP and ARM |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614615A (en) * | 2015-02-05 | 2015-05-13 | 成都市宏山科技有限公司 | Portable electricity energy quality analysis system |
| CN105159254A (en) * | 2015-08-18 | 2015-12-16 | 国家电网公司 | Power grid automation management remote terminal control system |
-
2015
- 2015-02-05 CN CN201520081656.0U patent/CN204479667U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614615A (en) * | 2015-02-05 | 2015-05-13 | 成都市宏山科技有限公司 | Portable electricity energy quality analysis system |
| CN105159254A (en) * | 2015-08-18 | 2015-12-16 | 国家电网公司 | Power grid automation management remote terminal control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20160205 |