CN202119844U - Multifunctional integrated electronic measurement instrument - Google Patents
Multifunctional integrated electronic measurement instrument Download PDFInfo
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- CN202119844U CN202119844U CN 201020676642 CN201020676642U CN202119844U CN 202119844 U CN202119844 U CN 202119844U CN 201020676642 CN201020676642 CN 201020676642 CN 201020676642 U CN201020676642 U CN 201020676642U CN 202119844 U CN202119844 U CN 202119844U
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Abstract
The utility model discloses a multifunctional integrated electronic measurement instrument, including a software platform and a hardware platform. The hardware of the hardware platform comprises a simulation measure module, a simulation data sampling module, an analog-to-digital conversion module, a data signal control module, a logic control module, a data acquisition module, a signal output module, a CPU and a data display module. The software platform comprises six functional modules of a loop impedance measure module, a leakage protector measure module, an insulation resistor measure module, a conduction low-resistance measurement module, a voltage measure module and a phase sequence measure module. The hardware platform is connected with the software platform mutually through an external data interface to realize data exchange; all hardware modules of the hardware platform are connected mutually through a control converting circuit; and all modules of the software platform realize data interaction transmission through simulation digital signal channels.
Description
Technical field
The utility model relates to electronic information technical field, relates in particular to a kind of multi-functional integrated electronic measuring device.
Background technology
Instrument and meter is the source and the ingredient of information industry, and its development level is the important embodiment of national science and technology level and overall national strength.Electronic measuring instrument is used the wideest the widest, and no matter national economy all departments are improvement of manufacturing line, the update of old product, and the exploitation of new product all be unable to do without the support of electronic measuring instrument.The electronic surveying field discloses a lot of electronic measuring methods based on different principle and different purposes; Nowadays along with the fast-developing electric equipment of China's power industry is preventative the important step that ensures in safe operation of power system and the maintenance work; Effectively the conduction of detecting instrument or material needs efficient succinct electronic measuring method with insulation and power supply state thereof, more a kind of diverse in function of needs, simple in structure and easy to operate electronic measuring instrument.
China electronic measuring instrument market has become one of electronic measuring instrument market of potentialization in the world.Looked forward to the future several years; Because the great demand that China's economic development forms; The home market of electronic measuring instrument will be the high speed development of the trend of high speed development, particularly DTV and Communications Market, makes China's electronic measuring instrument industry faces great challenge and opportunity.At present; Various electronic measuring methods can be realized and pass through instrument application in the equipment or the material tests of different needs, when needs carry out multinomial electronic surveying, need choose the various different electronic measuring instruments of difference in functionality; Can't be integrated in the different functions measurement on a kind of instrument; Make its measuring process more loaded down with trivial details, bring a lot of inconvenience, and the surveying instrument of a plurality of simple functions not only involves great expense but also carries inconvenience to measurement.
Electronic measuring instrument is widely used in all trades and professions at present; Various electronic surveying tasks are varied; Require the detection of electrons personnel to carry multiple electronic measuring instrument and reuse the electronic surveying value that records difference in functionality and application; The surveying instrument of simple function uses different instruments in a large number because of its function singleness correspondence causes measuring process, thereby causes the lengthy and tedious complicacy of testing staff's measurement procedure, carries in the process inconvenient.
The utility model content
The purpose of the utility model is to provide a kind of multi-functional integrated electronic measuring device; With impedance measurement circuit, earth leakage protective device measurement, the measurement of three-phase electricity phase sequence, insulation measurement, conducting low-resistance measurement, the integrated realization of voltage measurement, and through each function control of software and hardware cooperation realization.
For effectively solving the problems of the technologies described above, the technical scheme that the utility model is taked is following:
A kind of multi-functional integrated electronic measuring device; Comprise software platform and hardware platform, the hardware formation of said hardware platform comprises analogue measurement module, simulated data sampling module, analog-to-digital conversion module, Digital Signals module, Logic control module, data acquisition module, signal output module, CPU and data disaply moudle; Said software platform comprises impedance measurement circuit module, earth leakage protective device measurement module, insulation measurement module, conducting low-resistance measurement module, voltage measurement module, six functional modules of phase sequence test module; Said hardware platform interconnects the realization exchanges data through external data interface and said software platform; The all hardware module of said hardware platform interconnects through the control transformation circuit, and all modules of said software platform realize the data interaction transmission through the analog and digital signal passage.
Said software platform also comprises intelligent control module, data acquisition module, data memory module and the data processing module that is used for function control, and realizes the data interaction transmission through the analog and digital signal passage.
Said hardware platform comprises middle and small scale mimic channel integrated high-speed single-chip microcomputer and high-speed AD converter, and said software platform comprises MCU AM/BAM system.
The beneficial effect of the utility model is following: hardware platform overall design that the utility model provides realizes intelligence operation and simplified measurement operation, has characteristics such as intellectuality, integrated, software implementation; Programming moduleization, functionalization make it be easy to transplant, revise and expansion; The said apparatus multifunction of the utility model is integrated, and an instrument can be used for accomplishing multinomial measuring task, the simplified measurement process; Abundant communication interface can carry out the data upload download and can connect the PRN device printout; Enclosure designs completely cuts off interference source, possesses the Automatic Anti-interference function, guarantees the accuracy of measurement result; The multinomial function selecting pattern of instrument is equivalent to the integrated use of many instruments, and is easy to carry and with low cost, can effectively carry out electric system maintenance and power equipment testing; The integrated realization impedance measurement circuit of the software platform that the utility model provides, earth leakage protective device measurement, the measurement of three-phase electricity phase sequence, insulation measurement, conducting low-resistance measurement, voltage measurement function; Effectively solve the lengthy and tedious complicacy of testing staff's measurement procedure, carry in the process inconvenient.Below in conjunction with accompanying drawing the utility model is elaborated.
Description of drawings
Fig. 1 is the hardware configuration synoptic diagram of the said device of the utility model;
Fig. 2 is the software flow synoptic diagram of the said method of the utility model;
Fig. 3 is that the said method software platform of the utility model makes up and functional task scheduling synoptic diagram.
Embodiment
This embodiment high speed single-chip microcomputer is selected the MC9S08QE of U.S. FREESCALE company series MC9S08QE64, and high-speed AD converter is selected the LTC1867 family chip of LINER company.Software platform adopts Freescale series+independent research GUI development mode.
Referring to Fig. 2 and Fig. 3, a kind of multi-functional integrated electronic measuring method, its method may further comprise the steps:
(1) adopts middle and small scale mimic channel integrated high-speed single-chip microcomputer and high-speed AD converter development mode integrated high-speed digital display circuit to make up hardware platform, adopt MCU AM/BAM system development pattern configurations low-pass signal transmission channel and data-switching virtual interface to make up software platform.
The hardware formation of said hardware platform is provided with analogue measurement, simulated data sampling, analog to digital conversion, Digital Signals, logic control, data acquisition, signal output, CPU and data disaply moudle; The function of said software platform is divided and is set at impedance measurement circuit, earth leakage protective device measurement, insulation measurement, conducting low-resistance measurement, voltage measurement, phase sequence six functional modules of test and comprises intellectuality control, data acquisition, data storage, the data processing module that is used for function control.
Said analogue measurement module provides each item functional measurement required simulating signal; Make the signal that gets into data acquisition module meet the analog to digital converter requirement; Said data acquisition module is a data-signal with analog signal conversion; And being transferred to digital display circuit, data system is responsible for embedded OS operation, instrument algorithm, digital signal processing, logic control output; Said Logic control module is with other Digital Circuit Control, thereby the analog back-end that said signal output module is simulated analog-digital chip with the internal signal input produces required simulating signal; Said CPU and data disaply moudle control LCD show output and the control of button input function, and it is that system's all hardware module provides power supply that system power supply is set.
(2) provide different electronics measurement functions required simulating signal by the integrated processor of the data-signal of said hardware platform, thereby but be the new classification simulating signal that the analog back-end that gets into analog-digital chip through internal logic control output back behind the data-signal produces logical breakdown with analog signal conversion;
(3) said software platform is realized the integration module design of multifunctional measuring through program; And realize all functions, and connect the normal call of low-pass signal transmission channel optimization implementation to all functions through the virtual interface of realizing data-switching the calling of said MCU AM/BAM system;
(4) cooperation of said hardware platform and said software platform realizes the setting of function selecting; With impedance measurement circuit, earth leakage protective device measurement, the measurement of three-phase electricity phase sequence, insulation measurement, conducting low-resistance measurement, the integrated realization of voltage measurement; Carry out collection of simulant signal, computing, correction after judging the measurement function standard, at last The measured results show is exported.
Measurement function is realized carrying out the function selecting setting through button operation, upgrades the LCD display mode, after the user starts measurement; Measure safety inspection earlier, do not meet the measurement safety requirements, then withdraw from measurement if work as precondition; And prompting user; If when precondition coincidence measurement safety requirements, then the sensing according to the function cutterhead sets relevant relay, FET, carries out corresponding functional modules then; Carry out collection of simulant signal, computing, correction from the analog to digital converter passage of correspondence, at last with The measured results show.
Referring to Fig. 1 and Fig. 3; A kind of measurement mechanism of realizing said method, this device comprise the hardware platform of middle and small scale mimic channel integrated high-speed single-chip microcomputer and high-speed AD converter development mode structure, the software platform of employing MCU AM/BAM system development mode construction; The hardware formation of said hardware platform comprises analogue measurement module, simulated data sampling module, analog-to-digital conversion module, Digital Signals module, Logic control module, data acquisition module, signal output module, CPU and data disaply moudle; Said software platform comprises impedance measurement circuit module, earth leakage protective device measurement module, insulation measurement module, conducting low-resistance measurement module, voltage measurement module, six functional modules of phase sequence test module; Said hardware platform interconnects the realization exchanges data through external data interface and said software platform; The all hardware module of said hardware platform interconnects through the control transformation circuit, and all modules of said software platform realize the data interaction transmission through the analog and digital signal passage.
Said software platform also comprises intelligent control module, data acquisition module, data memory module and the data processing module that is used for function control, and realizes the data interaction transmission through the analog and digital signal passage.
The multifunction electronic measurement standard parameter value and the measurement range that realize in the present embodiment are following:
Function one:
Applied voltage is in the earth leakage protective device test: 220V ± 10%/45Hz～～65Hz; RCD test setting electric current: 30mA; RCD measuring current multiplying power is provided with: 1/2I Δ n, I Δ n and 5*I Δ n; RCD; Leakage switch escape time measurement: 0～2000mS; RCD leakage switch escape time measurement precision: 5% ± 5.
Function two:
Applied voltage: 220V ± 10%/45Hz in the impedance loop test～～65Hz; Measuring current and test duration: 20A/20ms; Measurement range: 0.05～～2000 Ω; Degree of accuracy scope: 5% ± 5.
Function three:
During conducting is measured about applied voltage DC5.0V; Measuring current when 0.00～2.00 Ω measuring current greater than 200mA; Measurement range is 0.05～～2000 Ω; Degree of accuracy scope: 5% ± 5.
Function four:
Applied voltage is in the megger test: 250V/500V/1000V; Measuring current (maximum): 2mA; Measurement range: 10k Ω～～1000M Ω; Degree of accuracy scope: 5% ± 5.
Function five:
The voltage tester measurement range: direct current 0～440V/ exchanges 0～440V (45～60Hz); Degree of accuracy scope: 2% ± 3.
Function six:
Phase sequence rotary test applied voltage scope: three-phase alternating voltage 100V～～440V, frequency: 45Hz～～the 65Hz measurement result: in order: L1 → L2 → L3 is for just changeing; L1 → L3 → L2 is counter-rotating; Phase shortage is judged: lack among L1, L2, the L3 and wherein anyly all can show on LCD.
The utility model is not limited to above-mentioned embodiment, and all employings and the utility model analog structure realize that all embodiments of the utility model function are all within the protection domain of the utility model.
Claims (2)
1. multi-functional integrated electronic measuring device; It is characterized in that; It comprises a hardware platform, and said hardware platform comprises through the interconnective analogue measurement module of control transformation circuit, simulated data sampling module, analog-to-digital conversion module, Digital Signals module, Logic control module, data acquisition module, signal output module, CPU and data disaply moudle.
2. electronic measuring device according to claim 1 is characterized in that, said hardware platform comprises middle and small scale mimic channel integrated high-speed single-chip microcomputer and high-speed AD converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020676642 CN202119844U (en) | 2010-12-23 | 2010-12-23 | Multifunctional integrated electronic measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020676642 CN202119844U (en) | 2010-12-23 | 2010-12-23 | Multifunctional integrated electronic measurement instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202119844U true CN202119844U (en) | 2012-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020676642 Expired - Lifetime CN202119844U (en) | 2010-12-23 | 2010-12-23 | Multifunctional integrated electronic measurement instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202119844U (en) |
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2010
- 2010-12-23 CN CN 201020676642 patent/CN202119844U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 523808, No. 6, industrial North Road, Songshan hi tech Industrial Development Zone, Guangdong, Dongguan Patentee after: Uni-Trend Technology (China) Co., Ltd. Address before: 523925, Humen Town, Guangdong, Dongguan Patentee before: Uni-Trend Technology (China) Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 523808 No. 6 industrial North Road, Songshan Lake high tech Industrial Development Zone, Dongguan, Guangdong Patentee after: Uno Technology (China) Limited by Share Ltd Address before: 523808 No. 6 industrial North Road, Songshan Lake high tech Industrial Development Zone, Dongguan, Guangdong Patentee before: Uni-Trend Technology (China) Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |
|
| CX01 | Expiry of patent term |