CN205643537U - Middle and low voltage relay protection automatic checkout system - Google Patents
Middle and low voltage relay protection automatic checkout system Download PDFInfo
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- CN205643537U CN205643537U CN201521079644.0U CN201521079644U CN205643537U CN 205643537 U CN205643537 U CN 205643537U CN 201521079644 U CN201521079644 U CN 201521079644U CN 205643537 U CN205643537 U CN 205643537U
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Abstract
The utility model discloses a middle and low voltage relay protection automatic checkout system, test accurate source, the automatic switching control device of computer and human -computer interaction operation module including relay protection, the automatic switching control device of computer connects relay protection test accurate source, human -computer interaction operation module and the device that awaits measuring respectively. The utility model discloses after only needing to set up the apparatus information that awaits measuring, a key starts the automatic testing, starts back whole journey and need not artificial the participation and the operation, the test and the check -up that only need can finish in 4 minutes the middle and low voltage overload protection device of a complicacy. Easy operation is convenient nimble, the comprehensive detailed high efficiency of effect, the utility model discloses show information as a result among the automatic test procedure in real time, can be to quick, the comprehensive location of middle and low voltage overload protection device's problem to preserve the result, provide intelligent reliable comprehensive information for restoreing the solution trouble.
Description
Technical field
This utility model relates to a kind of check system, specifically a kind of mesolow relay protection automatic checkout system.
Background technology
Along with developing rapidly of power industry; relay protection device is as the important ingredient of power system; experienced by development with rapid changepl. never-ending changes and improvements, along with the principle of microcomputer type relay protection equipment, performance, being greatly improved of reliability, reached to be widely applied in mesolow power system.At present, domestic mesolow protective relaying device still relies on manual testing and verification when dispatching from the factory, average every table apparatus verifies time-consuming 40 minutes according to statistics, the longest, inefficiency.
Utility model content
The purpose of this utility model is to provide a kind of mesolow relay protection automatic checkout system, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of mesolow relay protection automatic checkout system; including relay protection test precision source, microcomputer automatic switching control device and man-machine interactive operation module, described microcomputer automatic switching control device connects relay protection test precision source, man-machine interactive operation module and test system respectively.
As further program of the utility model: described relay protection test precision source is connected by electric quantity signal line with between microcomputer automatic switching control device.
As further program of the utility model: described microcomputer automatic switching control device is connected by RS-232 bus with man-machine interactive operation intermodule.
As this utility model further scheme: described microcomputer automatic switching control device is connected by RS-485 bus and electric quantity signal line with between test system simultaneously.
Compared with prior art; the beneficial effects of the utility model are: after this utility model only need to arrange test system information; one-key start is tested automatically, omnidistance without artificial participation and operation after startup, only needs to have got final product for 4 minutes test and the verification of the complicated mesolow protective relaying device in one, field.Simple to operation flexibly, effect extensive is efficient；Display results in real time information in this utility model automatic testing process, to the problem of mesolow protective relaying device quickly, position, and can preserve result comprehensively, solves fault provide the reliable comprehensively information of intelligence for repairing.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of mesolow relay protection automatic checkout system.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Refer to Fig. 1; in this utility model embodiment; a kind of mesolow relay protection automatic checkout system; including relay protection test precision source, microcomputer automatic switching control device and man-machine interactive operation module, described microcomputer automatic switching control device connects relay protection test precision source, man-machine interactive operation module and test system respectively；Described relay protection test precision source is connected by electric quantity signal line with between microcomputer automatic switching control device；Described microcomputer automatic switching control device is connected by RS-232 bus with man-machine interactive operation intermodule；Described microcomputer automatic switching control device is connected by RS-485 bus and electric quantity signal line with between test system simultaneously.
Described microcomputer automatic switching control device, the instruction assigned for acceptance test personnel and man-machine interactive operation system, and according to Test Strategy, control test system and complete automatically to test and verify, and real-time testing result is sent to man-machine interactive operation system shows.Plug-in unit, electricity switching control plug-in unit, switching value switching control plug-in unit, communication switching control plug-in unit is controlled including CPU.Described core CPU is controlled plug-in unit and is connected with electricity switching control plug-in unit by spi bus, and CPU is controlled plug-in unit and is connected with communication switching control plug-in unit by RS-485 bus by parallel bus and switching value switching control plug-in unit, CPU card.CPU controls the core controller of plug-in unit and uses 32 high-performance microcontroller MB9BF618S and be made up of some chips such as 16 high-precision adcs and peripheral loop.
Described man-machine interactive operation module is mutual for tester and test system carry out information, and core human-computer interactive control plug-in unit one end is connected with 15 inches of dual model industrial liquid crystal displays by RS-232 bus, is used for showing execution instruction and test real time information；The other end is connected with startup button and audible-visual annunciator by holding wire, is used for receiving commencing signal and output stops signal.Described human-computer interactive control plug-in unit, uses technical grade FPGA+MCU scheme, coordinates high speed DDR video memory, while controlling display holding display at a high speed, has high data and processes and response speed.Described startup button is red zone lamp momentary button LA38-22D/203 AC220V, and described audible-visual annunciator is green buzzer with lamp AD11-22D/41-CDY
AC220V。
Described relay protection test precision source, for providing reference signal to test system, completes the automatic calibration of electricity.Can long continuous operation, the 1A electric current that the symmetrical 5A electric current in the symmetrical 100V voltage in fixing output three tunnels, three tunnels, three tunnels are symmetrical.
Operation principle of the present utility model and job step:
After test system wiring, the information such as the model of test system, specification, project are chosen by tester, by starting button.Information and key command are converted to RS232 level-type data command through man-machine interactive operation module, and data command is delivered to the CPU card of microcomputer automatic switching control device by RS-232 bus and is processed and is converted to drive control signal.
Electricity is driven comparison signal to send to electricity switching control plug-in unit through spi bus by CPU card, and voltage and the electric quantity signal in relay protection test precision source are controlled switching and putting on test system completing calibration mode analog quantity return circuit by electricity switching control plug-in unit.Digital output modul signal is also carried out on-off model through parallel bus transmission to switching value switching control plug-in unit by CPU card with test system to be completed to verify switching value return circuit alternately, wherein the make-and-break signal of the output switch parameter of switching value switching control plug-in unit puts on the entry loop of opening of test system, and the On-off signal of switching value switching control plug-in unit gathers the outlet loop of test system.CPU card is connected with communication switching control plug-in unit by RS-485 bus, and through Shielded Twisted Pair, RS485 level is put on test system and complete verification order circuit function.
Survey as a example by the intake detection project automatically of device by band, introduce its job step:
(1) Auto-Test System is passed through and the mutual essential information of test system, and after confirming that test system information and configuration information meet, according to Test Strategy, substep and test system complete this project testing alternately.
(2), in the case of no applied voltage, whether test loop exists breakdown fault.
(3), in the case of applying 50% voltage, test loop 50% is the most motionless the most qualified.
(4), in the case of applying 70% voltage, test loop 70% is reliably dynamic the most qualified.
(5) applying and disconnect 100% voltage successively, detection action or return are the most normal.
(6) detect 1 ~ N road successively to open into interchannel whether adhesion.To i-th passage apply open into, read i+1 ~ N channel open into, if there being value, then adhesion mistake.
(7) any of the above-described mistake occurs, then report this loop error, and otherwise this loop is the most qualified, this result is uploaded to man-machine interactive operation module and shows in real time and report generation.
(8) after all items is completed, Auto-Test System generates complete report and preserves, and drives sound and light signal point out or report to the police, automatically cuts off main circuit power, completes epicycle test.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (4)
1. a mesolow relay protection automatic checkout system; including relay protection test precision source, microcomputer automatic switching control device and man-machine interactive operation module; it is characterized in that, described microcomputer automatic switching control device connects relay protection test precision source, man-machine interactive operation module and test system respectively.
Mesolow relay protection automatic checkout system the most according to claim 1, it is characterised in that described relay protection test precision source is connected by electric quantity signal line with between microcomputer automatic switching control device.
Mesolow relay protection automatic checkout system the most according to claim 1, it is characterised in that described microcomputer automatic switching control device is connected by RS-232 bus with man-machine interactive operation intermodule.
Mesolow relay protection automatic checkout system the most according to claim 1, it is characterised in that described microcomputer automatic switching control device is connected by RS-485 bus and electric quantity signal line with between test system simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521079644.0U CN205643537U (en) | 2015-12-22 | 2015-12-22 | Middle and low voltage relay protection automatic checkout system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521079644.0U CN205643537U (en) | 2015-12-22 | 2015-12-22 | Middle and low voltage relay protection automatic checkout system |
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| Publication Number | Publication Date |
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| CN205643537U true CN205643537U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521079644.0U Active CN205643537U (en) | 2015-12-22 | 2015-12-22 | Middle and low voltage relay protection automatic checkout system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451745A (en) * | 2016-10-18 | 2017-02-22 | 国网福建省电力有限公司 | Relay protection outlet loop automatic switching system |
| CN112506849A (en) * | 2020-09-25 | 2021-03-16 | 中国电力科学研究院有限公司 | Low-voltage relay protection device function configuration method and system based on MCU chip |
-
2015
- 2015-12-22 CN CN201521079644.0U patent/CN205643537U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451745A (en) * | 2016-10-18 | 2017-02-22 | 国网福建省电力有限公司 | Relay protection outlet loop automatic switching system |
| CN106451745B (en) * | 2016-10-18 | 2023-04-11 | 国网福建省电力有限公司 | Automatic switching system for relay protection outlet loop |
| CN112506849A (en) * | 2020-09-25 | 2021-03-16 | 中国电力科学研究院有限公司 | Low-voltage relay protection device function configuration method and system based on MCU chip |
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