CN205809203U - A kind of converter special test system - Google Patents
A kind of converter special test system Download PDFInfo
- Publication number
- CN205809203U CN205809203U CN201620642740.XU CN201620642740U CN205809203U CN 205809203 U CN205809203 U CN 205809203U CN 201620642740 U CN201620642740 U CN 201620642740U CN 205809203 U CN205809203 U CN 205809203U
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Abstract
nullThis utility model relates to a kind of converter special test system，Including voltage transformer module、Current transformer module、Three-phase electrical energy computation chip、Micro treatment module、Communication module、Clock unit module、Memory module、LCD MODULE，It has can measure signal by the external world and pass through voltage、Current transformer sends three-phase electric energy chip ATT7022B accurately to，Then the signal collected is fed back to process in its digital signal processing circuit being internally integrated by three-phase electric energy chip ATT7022B，The information processed feeds back to again for processor，It is analyzed processing through microprocessor again，Then the voltage of 0 1kHz will be gathered、Electric current、Power is shown on liquid crystal display screen，Precision can reach 0.2%，Additionally clock chip uses DS1302 chip，The time gathering signal can be recorded in memorizer by the most accurately，So as the follow-up analysis to data of frequency converter.
Description
Technical field
This utility model relates to a kind of test instrunment, particularly a kind of converter special test system.
Background technology
Along with improving constantly of industrial automatization, frequency control with the speed governing of its excellence and braking ability, high efficiency,
High Power Factor and energy-saving effect are widely used, and are thought the most rising tune both at home and abroad due to its plurality of advantages
Examination mode.
The shortcoming of prior art: though there being the instrument that can survey converter in document, but still have weak point: (1) frequency model
Enclose too narrow；(2) due to the interference of frequency conversion so that it is instrument can not work long hours normally；(3) can not protect in real time at shutdown transient
Deposit test data；(4) can not the test data in accurate recording a certain moment.
Summary of the invention
The purpose of this utility model is contemplated to solve the shortcoming in background technology, it is provided that a kind of converter special test system
System.
For reaching above-mentioned purpose, this utility model adopts the following technical scheme that a kind of converter special test system, bag
Include:
One voltage transformer module: for gathering the voltage signal of converter, and this voltage signal is converted into numeral letter
Number；
One current transformer module: for gathering the current signal of converter, and this current signal is converted into numeral letter
Number；
One three-phase electrical energy computation chip: it has been internally integrated digital signal processing circuit, and voltage transformer module, electric current are mutual
Sensor module is connected with three-phase electrical energy computation chip respectively, and voltage transformer module, current transformer module collection are also changed
Digital signal sends three-phase electrical energy computation chip to, three-phase electrical energy computation chip feed back to its digital signal being internally integrated
Reason circuit processes；
One micro treatment module: it is connected with three-phase electrical energy computation chip, the information feedback that three-phase electrical energy computation chip processes
Give as processor, then be analyzed processing through micro treatment module；
One communication module: it is connected with micro treatment module, for providing communication function to micro treatment module；
One clock unit module: it is connected with micro treatment module, for providing clock signal to micro treatment module；
One memory module: generated the storage of data message for storage by micro treatment module；
One LCD MODULE: the test data after being analyzed and processed by micro treatment module send to LCD MODULE
Shown.
For a kind of optimization of the present utility model, described three-phase electrical energy computation chip uses three-phase electric energy chip
ATT7022B。
For a kind of optimization of the present utility model, microprocessor module is by SPI interface and three-phase electric energy chip
ATT7022B connects reading and the process of the information that carries out.
This utility model, compared with background technology, has that the external world can measure signal is accurate by voltage, current transformer
Send three-phase electric energy chip ATT7022B to, then the signal collected is fed back in it by three-phase electric energy chip ATT7022B
Processing in the digital signal processing circuit that portion is integrated, the information of process feeds back to for processor again, then through micro-process
Device is analyzed processing, and then the collection voltage of 0-1kHz, electric current, power is shown on liquid crystal display screen, and precision can reach
0.2%, additionally clock chip uses DS1302 chip, and the time gathering signal can be recorded memorizer by the most accurately
In, in order to the follow-up analysis to data of frequency converter；When ensureing that test frequency converter's output frequency is 0-1kHz, can measure accurately
The three-phase output voltage of converter, electric current；When the performance parameter of real-time testing converter, test current time can be deposited in the lump
Storage；Capacity of resisting disturbance is strong.
Accompanying drawing explanation
Fig. 1 is the system block diagram of converter special test system.
Detailed description of the invention
Embodiment 1: with reference to Fig. 1.A kind of converter special test system, including:
One voltage transformer module: for gathering the voltage signal of converter, and this voltage signal is converted into numeral letter
Number；
One current transformer module: for gathering the current signal of converter, and this current signal is converted into numeral letter
Number；
One three-phase electrical energy computation chip: it has been internally integrated digital signal processing circuit, and voltage transformer module, electric current are mutual
Sensor module is connected with three-phase electrical energy computation chip respectively, and voltage transformer module, current transformer module collection are also changed
Digital signal sends three-phase electrical energy computation chip to, three-phase electrical energy computation chip feed back to its digital signal being internally integrated
Reason circuit processes；
One micro treatment module: it is connected with three-phase electrical energy computation chip, the information feedback that three-phase electrical energy computation chip processes
Give as processor, then be analyzed processing through micro treatment module；
One communication module: it is connected with micro treatment module, for providing communication function to micro treatment module；
One clock unit module: it is connected with micro treatment module, for providing clock signal to micro treatment module；
One memory module: generated the storage of data message for storage by micro treatment module；
One LCD MODULE: the test data after being analyzed and processed by micro treatment module send to LCD MODULE
Shown.
Wherein said three-phase electrical energy computation chip uses three-phase electric energy chip ATT7022B.Microprocessor module passes through SPI
Interface is connected reading and the process of the information of carrying out with three-phase electric energy chip ATT7022B.
Three-phase electric energy chip ATT7022B is integrated with six road second order Sigma-delta ADC, reference voltage circuit and institute
The circuit such as the Digital Signal Processing having power energy, virtual value, power factor and frequency measurement.It can measure each phase and
Close mutually active power, reactive power, apparent energy, meritorious energy and nonfunctional energy, can also measure simultaneously each phase voltage,
The parameters such as voltage effective value, power factor, phase angle, frequency, fully meet the demand of three-phase electricity test.
It is to be understood that: the detailed description although this utility model is contrasted by the present embodiment, but these are said
Bright, simply to simple declaration of the present utility model rather than to restriction of the present utility model, any real without departing from this utility model
Innovation and creation in matter spirit, each fall within protection domain of the present utility model.
Claims (3)
1. a converter special test system, including:
One voltage transformer module: for gathering the voltage signal of converter, and this voltage signal is converted into digital signal；
One current transformer module: for gathering the current signal of converter, and this current signal is converted into digital signal；
One three-phase electrical energy computation chip: it has been internally integrated digital signal processing circuit, voltage transformer module, current transformer
Module is connected with three-phase electrical energy computation chip respectively, voltage transformer module, current transformer module collection the numeral changed
Signal sends three-phase electrical energy computation chip to, three-phase electrical energy computation chip feed back to its Digital Signal Processing being internally integrated electricity
Road processes；
One micro treatment module: it is connected with three-phase electrical energy computation chip, three-phase electrical energy computation chip process information feed back to for
Processor, then be analyzed processing through micro treatment module；
One communication module: it is connected with micro treatment module, for providing communication function to micro treatment module；
One clock unit module: it is connected with micro treatment module, for providing clock signal to micro treatment module；
One memory module: generated the storage of data message for storage by micro treatment module；
One LCD MODULE: the test data transmission after being analyzed and processed by micro treatment module gives to LCD MODULE
Display.
Converter special test system the most according to claim 1, is characterized in that: described phase electric energy computation chip uses three
Phase electric energy chip ATT7022B.
Converter special test system the most according to claim 1, is characterized in that: microprocessor module passes through SPI interface
With reading and the process that three-phase electric energy chip ATT7022B is connected the information of carrying out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620642740.XU CN205809203U (en) | 2016-06-23 | 2016-06-23 | A kind of converter special test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620642740.XU CN205809203U (en) | 2016-06-23 | 2016-06-23 | A kind of converter special test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205809203U true CN205809203U (en) | 2016-12-14 |
Family
ID=57505658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620642740.XU Expired - Fee Related CN205809203U (en) | 2016-06-23 | 2016-06-23 | A kind of converter special test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205809203U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772041A (en) * | 2016-12-23 | 2017-05-31 | 江苏大学镇江流体工程装备技术研究院 | A kind of centrifugal pump motor state monitoring apparatus and monitoring method based on Android platform |
| CN111063584A (en) * | 2019-12-26 | 2020-04-24 | 光一科技股份有限公司 | Electronic molded case circuit breaker |
| CN115389238A (en) * | 2022-08-22 | 2022-11-25 | 楚岳(惠州)热传科技有限公司 | Radiator performance test system and test method |
-
2016
- 2016-06-23 CN CN201620642740.XU patent/CN205809203U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772041A (en) * | 2016-12-23 | 2017-05-31 | 江苏大学镇江流体工程装备技术研究院 | A kind of centrifugal pump motor state monitoring apparatus and monitoring method based on Android platform |
| CN111063584A (en) * | 2019-12-26 | 2020-04-24 | 光一科技股份有限公司 | Electronic molded case circuit breaker |
| CN115389238A (en) * | 2022-08-22 | 2022-11-25 | 楚岳(惠州)热传科技有限公司 | Radiator performance test system and test method |
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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: 20161214 Termination date: 20190623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |