CN201444192U - Checking apparatus for high-voltage switching characteristic tester - Google Patents
Checking apparatus for high-voltage switching characteristic tester Download PDFInfo
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- CN201444192U CN201444192U CN200820090805XU CN200820090805U CN201444192U CN 201444192 U CN201444192 U CN 201444192U CN 200820090805X U CN200820090805X U CN 200820090805XU CN 200820090805 U CN200820090805 U CN 200820090805U CN 201444192 U CN201444192 U CN 201444192U
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Abstract
The utility model relates to a checking apparatus for a high-voltage switching characteristic tester. With the rapid development of Chinese electricity industry, the relevant testing technology and the testing equipment are improved, intelligent high-voltage switching characteristic testers integrating advanced technologies such as singlechips and automatic tests are developed continuously, but corresponding checking technology and equipment are still lagged behind and have the defects of single function, low degree of automation, complicated checking wire connection, uncertain additional error, low working efficiency and the like, so that the development and the application are influenced. The utility model includes a machine case (1), an input unit (3) is mounted in the machine case (1), an output unit (4) and a power circuit (5) are mounted in the machine case (1), and the input unit (3), the output unit (4) and the power circuit (5) are respectively connected with a main control board (2). The utility model is used for checking and adjusting main technical parameters of the high-voltage switching characteristic tester.
Description
Technical field:
The utility model relates to a kind of checking device for high-voltage switch property test instrument.
Background technology:
The high speed development of China's power industry, make relevant measuring technology and testing apparatus that rapid progress arranged, the intelligent high-voltage switch property test instrument device that compiles advanced technologies such as single-chip microcomputer, automatic test constantly makes new advances, but the corresponding check technology and equipment is still relatively backward, and it is simple to exist function, and automaticity is not high, verification wiring complexity, additive error is uncertain, and deficiencies such as inefficiency have influenced its development and application.
The utility model content:
The purpose of this utility model provides a kind of checking device for high-voltage switch property test instrument, and the high-voltage switch property test instrument important technological parameters is carried out verification and adjustment, has intelligentized design and integrated portable structure, volume is little, function is strong, and is simple to operate, the automaticity height.
Above-mentioned purpose realizes by following technical scheme:
Checking device for high-voltage switch property test instrument, its composition comprises: cabinet, in the described cabinet input block is housed, output unit and power circuit are housed in the described cabinet, described input block, output unit, power circuit are connected with master control borad respectively.
Described checking device for high-voltage switch property test instrument, described master control borad comprise microprocessor, A/D change-over circuit, display module, time base circuit, keyboard circuit, have circuit connecting relation between its each ingredient.
Described checking device for high-voltage switch property test instrument, described input block comprise sample circuit and AD536AK monolithic real effective (rms) AC/DC change-over circuit.
Described checking device for high-voltage switch property test instrument, described A/D change-over circuit adopts ICL7135 single-piece molded number converter, described microprocessor is ATmega128 single-chip microcomputer or embedded system, described time base circuit uses constant-temperature crystal oscillator OC2012C-D17, and described display module is selected LCD graphic lcd display screen or LED high brightness charactron for use.
This technical scheme has following beneficial effect:
1, the utility model is a kind of novel intelligent specialized equipment that the Chinese people standard GB 3309-89 of republic " mechanical test under the high-tension switch gear normal temperature " requires that meets fully, its observation and control technology advanced person, mentality of designing maturation, reasonable integral structure, electromagnetic compatibility measure are perfect, function strong, good stability, strong interference immunity, are applicable to that metering, calibrating department, industrial and mining enterprises and scientific research institutions carry out verification and adjustment to the important technological parameters of various high-voltage switch property test instruments.
2, the utility model makes the verification project of this product expand to kind surplus in the of 50: can be right by microprocessor powerful Real Time Control Function and data processing function: adjustable extent, adjustable fineness, the accuracy of handing over (directly) stream voltage output amplitude; Totally six groups 15 of the Circuit Closing Parameters of 1-8 fracture (each fracture closing time, the T.T. of closing a floodgate, switching order, combined floodgate three-phase not the time same period, combined floodgate homophase not the time same period, closing rebound time); Totally six groups 15 of the separating brake parameters of 1-8 fracture (each fracture opening time, separating brake T.T., separating brake order, separating brake three-phase not the time same period, separating brake homophase not the time same period, separating brake bounce time); Totally six groups 18 the important technological parameters of high-voltage switch gear characteristic testers such as measurement range, accuracy and switching speed, spring amplitude of the reclosing parameter of 1-8 fracture (each fracture reclosure time, reclosing T.T., reclosing order, reclosing three-phase not the time same period, reclosing homophase not the time same period, reclosing bounce time) is carried out verification.
3, microprocessor of the present utility model is the core component of checking device for high-voltage switch property test instrument, adopts high-performance AVR single chip computer AT mega128, for system provides hardware carrier, and stability is improved; In single-chip microcomputer, embed control, management and data processing software, more help the realization of Based Intelligent Control and the expansion of application function.
4, the utility model adopted monolithic real effective (rms) AC/DC change-over circuit AD 536 AK, monolithic a/d converter ICL7135 and have calibration cell reference voltage source LM 199 (temperature drift: ± 1PPM/C), guarantee to hand over (directly) to flow the accuracy and the stability of electrical measurement.This product meets the GB3309-89 standard-required fully aspect accuracy.
5, the utility model adopted OC2012C-D17 type constant-temperature crystal oscillator (long-time stability: ± 0.5PPM/), guaranteed the long-time stability that this product is measured time quantum.
6, the utility model shows employing graphic lcd display screen, and this product has the Hanzify man-machine interface that writing is clear, contain much information.
7, the utility model has been used advanced observation and control technology, has introduced intelligent design, makes this product operation simple, easy to use, and has realized the robotization of checking procedure.
8, the utility model adopted the box contour structures of integrated portable aluminium alloy, volume little, in light weight, be particularly suitable for being carried to the scene and carry out verification and adjustment.
Description of drawings:
Accompanying drawing 1 is a casing structure synoptic diagram of the present utility model.
Accompanying drawing 2 is hardware connection diagrams of the present utility model.
Accompanying drawing 5 is output unit circuit theory diagrams of the present utility model.
Accompanying drawing 6 is power circuit principle figure of the present utility model.
According to the electronic circuit drawing norm, pin label identical in the foregoing circuit schematic diagram has annexation.
Embodiment of the present utility model:
Embodiment 1:
Checking device for high-voltage switch property test instrument, its composition comprises: cabinet 1, in the described cabinet 1 input block 3 is housed, output unit 4 and power circuit 5 are housed in the described cabinet 1, described input block 3, output unit 4 and power circuit 5 are connected with master control borad 2 respectively, described master control borad 2 comprises microprocessor 7, A/D change-over circuit 8, display module 9, time base circuit 10, keyboard circuit 11, has circuit connecting relation between its each ingredient.
Described checking device for high-voltage switch property test instrument, described input block comprises sample circuit and AD536 AK monolithic real effective (rms) AC/DC change-over circuit, described A/D change-over circuit adopts single-piece molded number converter ICL7135, described microprocessor is the ATmega128 single-chip microcomputer of atmel corp, described time base circuit uses constant-temperature crystal oscillator OC2012C-D17, and described display module is selected LCD graphic lcd display screen for use.
Embodiment 2:
Checking device for high-voltage switch property test instrument, its composition comprises: cabinet 1, in the described cabinet 1 input block 3 is housed, described input block 3 comprises sample circuit 3-1 and monolithic real effective change-over circuit 3-2, described input block 3 is connected with A/D change-over circuit 8, and described A/D change-over circuit 8 is connected with microprocessor 7 by photoelectrical coupler; Output unit 4 and power circuit 5 are housed in the described cabinet 1, described output unit 4 is connected with master control borad 2 respectively with power circuit 5, described master control borad 2 comprises microprocessor 7, A/D change-over circuit 8, display module 9, time base circuit 10, keyboard circuit 11, and described A/D change-over circuit 8, display module 9, time base circuit 10, keyboard circuit 11 are connected with microprocessor 7 respectively.
Described checking device for high-voltage switch property test instrument, described real effective change-over circuit 3-2 adopts AD 536 AK of ADI, described microprocessor 7 also can select to have the embedded system of inner A/D change-over circuit, described A/D change-over circuit 8 also can adopt the A/D change-over circuit and the software program of embedded system inside to realize, described display module 9 is a LED high brightness charactron, and described time base circuit 10 uses the good constant-temperature crystal oscillator OC2012C-D17 of long-time stability.
In conjunction with the accompanying drawings the course of work of the present utility model is further described:
By accompanying drawing 1,2 as can be known, hardware of the present utility model comprises cabinet, input block, output unit, master control borad, power circuit and microprocessor, A/D change-over circuit, display module, time base circuit, keyboard circuit etc., has circuit connecting relation between its each ingredient.
Input signal inserts the A/D change-over circuit through sample circuit, AC/DC circuit, become digital signal, insert microprocessor through photoelectrical coupler then and discern and computing, data, signal after microprocessor processes, processing are sent to display module and output unit respectively with the form of program code; Carry out Hanzify by LCD and show, go to control operation by output circuit, and then finish verification work automatically by the school high-voltage switch property test instrument.
Claims (6)
1. checking device for high-voltage switch property test instrument, its composition comprises: cabinet, it is characterized in that: in the described cabinet input block is housed, output unit and power circuit are housed in the described cabinet, described input block, output unit, power circuit are connected with master control borad respectively.
2. checking device for high-voltage switch property test instrument according to claim 1 is characterized in that: described master control borad comprises microprocessor, A/D change-over circuit, display module, time base circuit, has circuit connecting relation between its each ingredient.
3. checking device for high-voltage switch property test instrument according to claim 1 and 2 is characterized in that: described input block comprises sample circuit and AD 536 AK monolithic real effective AC/DC change-over circuits.
4. checking device for high-voltage switch property test instrument according to claim 2, it is characterized in that: described A/D change-over circuit adopts ICL7135 single-piece molded number converter, described microprocessor is ATmega128 single-chip microcomputer or embedded system, described time base circuit uses constant-temperature crystal oscillator OC2012C-D17, and described display module is selected LCD graphic lcd display screen or LED high brightness charactron for use.
5. checking device for high-voltage switch property test instrument according to claim 1, it is characterized in that: described input block comprises sample circuit and AD 536 AK monolithic real effective AC/DC change-over circuits, the A/D change-over circuit of described master control board adopts ICL7135 single-piece molded number converter, described microprocessor is ATmega128 monolithic or embedded system, described time base circuit uses constant-temperature crystal oscillator OC2012C-D17, and described display module is selected LCD graphic lcd display screen or LED high brightness charactron for use.
6. checking device for high-voltage switch property test instrument according to claim 4 is characterized in that: described input block comprises sample circuit and AD 536 AK monolithic real effective AC/DC change-over circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820090805XU CN201444192U (en) | 2008-09-04 | 2008-09-04 | Checking apparatus for high-voltage switching characteristic tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820090805XU CN201444192U (en) | 2008-09-04 | 2008-09-04 | Checking apparatus for high-voltage switching characteristic tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201444192U true CN201444192U (en) | 2010-04-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200820090805XU Expired - Fee Related CN201444192U (en) | 2008-09-04 | 2008-09-04 | Checking apparatus for high-voltage switching characteristic tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201444192U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869272A (en) * | 2014-03-24 | 2014-06-18 | 哈尔滨理工大学 | Calibration device for high-voltage switch dynamic characteristic tester |
| CN104122523A (en) * | 2014-07-30 | 2014-10-29 | 哈尔滨朗昇电气股份有限公司 | Circuit for testing time parameters of verifying devices for high-voltage switch testers |
| CN106610336A (en) * | 2015-10-27 | 2017-05-03 | 中国电力科学研究院 | Rotating speed measuring and calibrating device for high-voltage switch tester |
| CN111123229A (en) * | 2020-01-07 | 2020-05-08 | 浙江大学 | Array element mounting position measuring method based on electrical property amplitude weighting |
-
2008
- 2008-09-04 CN CN200820090805XU patent/CN201444192U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869272A (en) * | 2014-03-24 | 2014-06-18 | 哈尔滨理工大学 | Calibration device for high-voltage switch dynamic characteristic tester |
| CN104122523A (en) * | 2014-07-30 | 2014-10-29 | 哈尔滨朗昇电气股份有限公司 | Circuit for testing time parameters of verifying devices for high-voltage switch testers |
| CN104122523B (en) * | 2014-07-30 | 2017-12-01 | 哈尔滨朗昇电气运维服务有限公司 | The circuit of testing high voltage brake switch tester calibration equipment time parameter |
| CN106610336A (en) * | 2015-10-27 | 2017-05-03 | 中国电力科学研究院 | Rotating speed measuring and calibrating device for high-voltage switch tester |
| CN111123229A (en) * | 2020-01-07 | 2020-05-08 | 浙江大学 | Array element mounting position measuring method based on electrical property amplitude weighting |
| CN111123229B (en) * | 2020-01-07 | 2021-12-07 | 浙江大学 | Array element mounting position measuring method based on electrical property amplitude weighting |
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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: 20100428 Termination date: 20110904 |