CN201535801U - Harmonic wave monitoring system of electrical network based on ARM9 - Google Patents
Harmonic wave monitoring system of electrical network based on ARM9 Download PDFInfo
- Publication number
- CN201535801U CN201535801U CN2009202361738U CN200920236173U CN201535801U CN 201535801 U CN201535801 U CN 201535801U CN 2009202361738 U CN2009202361738 U CN 2009202361738U CN 200920236173 U CN200920236173 U CN 200920236173U CN 201535801 U CN201535801 U CN 201535801U
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- China
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- electrical network
- arm9
- monitoring system
- harmonic wave
- wave monitoring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a harmonic wave monitoring system of an electrical network based on ARM9, which is composed of an electrical network voltage (1), an electrical network current (2), a signal conditioning circuit (3), an A/D conversion circuit (4), a S3C2410 (5), a LCD display module (6), a button input module (7), an upper computer (8) and an alarm (9). The harmonic wave monitoring system fully utilizes advantages of the ARM9 processor with 32-digit, such as rapid operation rate, strong processing data ability and rich resource, etc., reasonably expands peripheral circuit, adopts many anti-interference measures in hardware and software of the system, which makes the monitor completely satisfy an actual demand for monitoring various parameters of the electric power system.
Description
Technical field:
The utility model relates to a kind of mains by harmonics monitoring system, especially relates to a kind of mains by harmonics monitoring system based on ARM9.
Background technology:
Along with China's rapid economic development, electric load sharply increases, and is more and more serious to the pollution of electric system, and harmonic content then is the of paramount importance index of influence in the present electrical network.This also has higher requirement to the instrument and equipment of monitoring Operation of Electric Systems situation.In China traditional operation of power networks parameter measurement and supervisory system, use 8 single-chip microcomputers to realize mostly.Owing to the restriction of its arithmetic speed and deal with data ability, more and more be difficult to satisfy the needs of present power network monitoring.
The utility model content:
The purpose of this utility model provides the mains by harmonics monitoring system based on ARM9, it is by the measurement to three road voltage and current signals, utilize fast fourier transform to calculate electrical network parameters such as harmonic content, also have the Monitoring Data statistical study simultaneously, communicate by letter, show with host computer and function such as warning.
In order to solve the existing problem of background technology, the utility model is by the following technical solutions: it is made up of line voltage 1, power network current 2, signal conditioning circuit 3, A/D change-over circuit 4, S3C24105, LCD display module 6, keyboard input module 7, host computer 8, alarm 9; Line voltage 1 is connected with signal conditioning circuit 3 with power network current 2, signal conditioning circuit 3 is connected with A/D change-over circuit 4, A/D change-over circuit 4 is connected with S3C24105, LCD display module 6 is connected with S3C24105 respectively with keyboard input module 7, and host computer 8 is connected with S3C24105 respectively with alarm 9.
Described S3C24105 is a RISC embedded microprocessor based on the ARM920T kernel.
The utlity model has following beneficial effect: the fast operation, the deal with data ability that have made full use of 32 arm9 processors reach advantage such as aboundresources on the sheet by force, rationally carry out the peripheral circuit expansion, on system hardware and software, taked multinomial interference protection measure, made this monitor can satisfy the actual demand that the electric system parameters is monitored fully.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Embodiment:
Referring to Fig. 1, this embodiment by the following technical solutions: it is made up of line voltage 1, power network current 2, signal conditioning circuit 3, A/D change-over circuit 4, S3C24105, LCD display module 6, keyboard input module 7, host computer 8, alarm 9; Line voltage 1 is connected with signal conditioning circuit 3 with power network current 2, signal conditioning circuit 3 is connected with A/D change-over circuit 4, A/D change-over circuit 4 is connected with S3C24105, LCD display module 6 is connected with S3C24105 respectively with keyboard input module 7, and host computer 8 is connected with S3C24105 respectively with alarm 9.
Described S3C24105 is a RISC embedded microprocessor based on the ARM920T kernel.
Fast operation, deal with data ability that this embodiment has made full use of 32 arm9 processors reach advantage such as aboundresources on the sheet by force, rationally carry out the peripheral circuit expansion, on system hardware and software, taked multinomial interference protection measure, made this monitor can satisfy the actual demand that the electric system parameters is monitored fully.
Claims (2)
1. based on the mains by harmonics monitoring system of ARM9, it is characterized in that it is made up of line voltage (1), power network current (2), signal conditioning circuit (3), A/D change-over circuit (4), S3C2410 (5), LCD display module (6), keyboard input module (7), host computer (8), alarm (9); Line voltage (1) is connected with signal conditioning circuit (3) with power network current (2), signal conditioning circuit (3) is connected with A/D change-over circuit (4), A/D change-over circuit (4) is connected with S3C2410 (5), LCD display module (6) is connected with S3C2410 (5) respectively with keyboard input module (7), and host computer (8) is connected with S3C2410 (5) respectively with alarm (9).
2. the mains by harmonics monitoring system based on ARM9 according to claim 1 is characterized in that described S3C2410 (5) is a RISC embedded microprocessor based on the ARM920T kernel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202361738U CN201535801U (en) | 2009-10-14 | 2009-10-14 | Harmonic wave monitoring system of electrical network based on ARM9 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202361738U CN201535801U (en) | 2009-10-14 | 2009-10-14 | Harmonic wave monitoring system of electrical network based on ARM9 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201535801U true CN201535801U (en) | 2010-07-28 |
Family
ID=42535579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202361738U Expired - Fee Related CN201535801U (en) | 2009-10-14 | 2009-10-14 | Harmonic wave monitoring system of electrical network based on ARM9 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201535801U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435847A (en) * | 2011-10-30 | 2012-05-02 | 云南省计量测试技术研究院 | High-precision electrical parameter analyzer |
-
2009
- 2009-10-14 CN CN2009202361738U patent/CN201535801U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435847A (en) * | 2011-10-30 | 2012-05-02 | 云南省计量测试技术研究院 | High-precision electrical parameter analyzer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100728 Termination date: 20101014 |