CN205749664U - Power test system - Google Patents
Power test system Download PDFInfo
- Publication number
- CN205749664U CN205749664U CN201620684188.0U CN201620684188U CN205749664U CN 205749664 U CN205749664 U CN 205749664U CN 201620684188 U CN201620684188 U CN 201620684188U CN 205749664 U CN205749664 U CN 205749664U
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- processing module
- voltage
- module
- electrically connects
- test system
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Abstract
The utility model discloses a kind of power test system.Voltage current transformer, the electrical connection of matrix voltage changer, sampling hold circuit, A/D modular converter are sequentially connected electrically；Three-phase alternating current, after the process of voltage x current processing module, sends the result to DSP and processes chip；DSP processes chip and electrically connects with shared multiport memory, EEPROM, keyboard, serial communication interface the most respectively；Shared multiport memory also electrically connects with clock module；Data display processing module electrically connects with clock module；Display result is sent to LCD display and shows by data display processing module.Simple in construction of the present utility model, precision is high, and stable and reliable operation, fully digitalization metering, capacity of resisting disturbance is strong.
Description
Technical field
This utility model relates to a kind of test system, particularly to a kind of power test system.
Background technology
The power system of China strides forward to supertension, Large Copacity, the direction of whole nation interconnection, and scale is still constantly expanding
Greatly.Under overall background so, the requirement for generating, power supply and safe distribution of electric power is more and more higher, the safety of its running status
Whether it is directly connected to the safety and stability of whole power system.Therefore for ensureing power generation safe and highly efficient operation, right
POWER SYSTEM STATE test is had higher requirement.
Utility model content
The purpose of this utility model is to provide a kind of safe and reliable, and stability is high, workable power test system.
A kind of power test system, it includes that voltage x current processing module, DSP process chip, the storage of shared multiport
Device, EEPROM, display module, keyboard, serial communication interface；
Described voltage x current processing module is by voltage current transformer, matrix voltage changer, sampling hold circuit, A/D
Modular converter forms；
Described display module is made up of clock module, data display processing module, LCD display；
Described voltage current transformer, the electrical connection of matrix voltage changer, sampling hold circuit, A/D modular converter are successively
Electrical connection；Three-phase alternating current, after the process of voltage x current processing module, sends the result to DSP and processes chip；
Described DSP process chip the most respectively with shared multiport memory, EEPROM, key
Dish, serial communication interface electrically connect；
Described shared multiport memory also electrically connects with clock module；
Described data display processing module electrically connects with clock module；
Display result is sent to LCD display and shows by described data display processing module.
Further, described serial communication interface has two, respectively RS-485 and RS-232.
Further, described clock module selects PCF8563 clock chip.
Use after said structure, this utility model the most advantageously: knot of the present utility model
Structure is simple, and precision is high, and stable and reliable operation, fully digitalization metering, capacity of resisting disturbance is strong.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
With reference to Fig. 1, the utility model discloses a kind of power test system, it includes at voltage x current processing module, DSP
Reason chip, shared multiport memory, EEPROM, display module, keyboard, serial communication interface；
Described voltage x current processing module is by voltage current transformer, matrix voltage changer, sampling hold circuit, A/D
Modular converter forms；
Described display module is made up of clock module, data display processing module, LCD display；
Described voltage current transformer, the electrical connection of matrix voltage changer, sampling hold circuit, A/D modular converter are successively
Electrical connection；Three-phase alternating current, after the process of voltage x current processing module, sends the result to DSP and processes chip；
Described DSP process chip the most respectively with shared multiport memory, EEPROM, key
Dish, serial communication interface electrically connect；Serial communication interface is for the extension of system, it is possible to is connected with host computer, completes with upper
The communication of position machine, it is achieved sharing and exchange of data.
Described shared multiport memory also electrically connects with clock module；
Described data display processing module electrically connects with clock module；
Display result is sent to LCD display and shows by described data display processing module.Data display processing module is
Relatively independent unit, is responsible for reception and processes data and the order that DSP sends, after classifying, by video data by corresponding
Form input LCD display shows.
Further, described serial communication interface has two, respectively RS-485 and RS-232.
Further, described clock module selects PCF8563 clock chip.
Three-phase A.C. current, voltage signal are after signal conversion and sampling hold circuit, then convert analog signals into DSP
Process the discernible digital signal of chip. complete electric current, voltage, power, frequency, the isoparametric calculating of electric energy simultaneously, and will become
The data changed are stored in shared multiport memory and EEPROM；Meanwhile, clock module is transferred in real time
Related data, is controlled LCD display by data disaply moudle and shows according to pre-set form.
This utility model is not limited to above-mentioned preferred forms, and anyone should learn under enlightenment of the present utility model
The structure change made, every have same or like technical scheme in this utility model, each falls within of the present utility model
Protection domain.
Claims (3)
1. power test system, it is characterised in that it includes that voltage x current processing module, DSP process chip, shared multiport
Memorizer, EEPROM, display module, keyboard, serial communication interface；
Described voltage x current processing module is by voltage current transformer, matrix voltage changer, sampling hold circuit, A/D conversion
Module forms；
Described display module is made up of clock module, data display processing module, LCD display；
Described voltage current transformer, the electrical connection of matrix voltage changer, sampling hold circuit, A/D modular converter are electrically connected successively
Connect；Three-phase alternating current, after the process of voltage x current processing module, sends the result to DSP and processes chip；
Described DSP process chip the most respectively with shared multiport memory, EEPROM, keyboard, string
Row communication interface electrically connects；
Described shared multiport memory also electrically connects with clock module；
Described data display processing module electrically connects with clock module；
Display result is sent to LCD display and shows by described data display processing module.
Power test system the most according to claim 1, it is characterised in that described serial communication interface has two, respectively
For RS-485 and RS-232.
Power test system the most according to claim 1 and 2, it is characterised in that described clock module selects PCF8563
Clock chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620684188.0U CN205749664U (en) | 2016-06-30 | 2016-06-30 | Power test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620684188.0U CN205749664U (en) | 2016-06-30 | 2016-06-30 | Power test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205749664U true CN205749664U (en) | 2016-11-30 |
Family
ID=57380276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620684188.0U Expired - Fee Related CN205749664U (en) | 2016-06-30 | 2016-06-30 | Power test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205749664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115656610A (en) * | 2022-12-29 | 2023-01-31 | 南方电网调峰调频发电有限公司 | Device and method for measuring current of silicon controlled branch of excitation system |
-
2016
- 2016-06-30 CN CN201620684188.0U patent/CN205749664U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115656610A (en) * | 2022-12-29 | 2023-01-31 | 南方电网调峰调频发电有限公司 | Device and method for measuring current of silicon controlled branch of excitation 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 |
Granted publication date: 20161130 Termination date: 20180630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |