CN206193224U - Join in marriage and become monitor terminal automatic test system - Google Patents

Join in marriage and become monitor terminal automatic test system Download PDF

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Publication number
CN206193224U
CN206193224U CN201621279507.6U CN201621279507U CN206193224U CN 206193224 U CN206193224 U CN 206193224U CN 201621279507 U CN201621279507 U CN 201621279507U CN 206193224 U CN206193224 U CN 206193224U
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Prior art keywords
circuit
test
output end
computer
distribution transformer
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CN201621279507.6U
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杨昊
张建伟
李翔
赵永辉
刘清蝉
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Electric Power Research Institute of Yunnan Power System Ltd
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Electric Power Research Institute of Yunnan Power System Ltd
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Abstract

The utility model provides a join in marriage and become monitor terminal automatic test system, include: the computer, conventional testing circuit, stipulations test circuit and trouble test circuit, the computer with the conventional testing circuit is connected, the computer with about test circuit is connected, the computer with the failure test circuit is connected, wherein, the conventional testing circuit includes: change monitor terminal, error calculation circuit and computer are shown, are joined in marriage to power source, standard, this system is one kind can accomplish the system that arouses testing capabilities such as test including conventional testing, stipulations test, boundary limit test, trouble to because of different test items need the difference change the measuring error that different testing arrangement produced, the test result has more accuracy, convincingness to joining in marriage when change monitor terminal appraises in effectively avoiding testing, simultaneously can accomplish a plurality of test items at the same system, the testing arrangement that no longer needs to be changed, the test time who shortens the terminal that can be very big.

Description

A kind of Distribution transformer Auto-Test System
Technical field
The utility model is related to terminal test technical field, more particularly to a kind of Distribution transformer Auto-Test System.
Background technology
With power system to automatic data collection, the attention degree of remote meter reading improve constantly, Distribution transformer it is important Property increasingly weigh, Distribution transformer can not only be to switching circuit, distribution transformer, high pressure measurement user, low-temperature measurement user Deng the monitoring and control of relevant device, can match somebody with somebody with corresponding measurement case when can be used for high pressure measurement user and low-temperature measurement user Set is used, and realizes remote meter-reading function, meanwhile, telemetry function can realize that rate of qualified voltage is counted, there is provided this month low-voltage adds up Time, high voltage cumulative time, total run time.The quick test of large batch of Distribution transformer how is realized as can be seen here It is a critically important job.
The test of current Distribution transformer is that conventionally test uses set of device, and protocol convert uses another suit again Put, personnel's monitored for prolonged periods of time test case is needed in test process;Need personnel to remove terminal again when changing test event to shift to Other device.Taken time and effort when great amount of terminals needs test, simultaneously because multiple devices participate in test, tested Cheng Zhong, the error of each device can influence test result.
Utility model content
Goal of the invention of the present utility model is to provide a kind of Distribution transformer Auto-Test System, existing to solve In power system Distribution transformer test device during different test events more exchange device and introduce error influence survey Test result.
A kind of Distribution transformer Auto-Test System is provided according to embodiment of the present utility model, including:Computer, Conventionally test circuit, protocol convert circuit and fault test circuitry;
The computer is connected with the conventionally test circuit;The computer is connected with the about test circuit; The computer is connected with the fault test circuitry;
Wherein, the conventionally test circuit includes:Standard source, standard scale, Distribution transformer, error calculation circuit and meter Calculation machine;
First output end of the standard source is connected with the input of the Distribution transformer;
Second output end of the standard source is connected with the input of the standard scale;
The output end of the Distribution transformer is connected with the first input end of the error calculation circuit;
The output end of the standard scale is connected with the second input of the error calculation circuit;
The output end of the error calculation circuit is connected with the computer;
The protocol convert circuit is connected with the Distribution transformer;
The fault test circuitry is connected with the standard source.
Further, the protocol convert circuit includes:Magnetic field generator, radio transmitter and temperature controller;
The output end of the computer is connected with the magnetic field generator;
The output end of the computer is connected with the radio transmitter;
The computer is connected with the temperature controller.
Further, the fault test circuitry includes:Failed storage sub-circuit and failure generation sub-circuit;
The output end of the computer is connected with the input of the failed storage sub-circuit;
The output end of the failed storage sub-circuit is connected with the input of failure generation sub-circuit;
The output end of the failure generation sub-circuit is connected with the standard source.
Further, the error calculation circuit includes, delays error calculation sub-circuit and error in dipping calculates sub-circuit;
The output end of the standard scale is connected with the first input end for delaying error calculation sub-circuit;
The first input end that the output end of the standard scale calculates sub-circuit with the error in dipping is connected;
The output end of the Distribution transformer is connected with the first input end for delaying error calculation sub-circuit;
The first input end that the output end of the Distribution transformer calculates sub-circuit with the error in dipping is connected;
The output end for delaying error calculation sub-circuit is connected with the computer;
The output end that the error in dipping calculates sub-circuit is connected with the computer.
Further, the standard source is the DC current source of high stability.
From above technical scheme, the utility model provides a kind of Distribution transformer Auto-Test System, including: Computer, conventionally test circuit, protocol convert circuit and fault test circuitry;The computer and the conventionally test circuit phase Connection;The computer is connected with the about test circuit;The computer is connected with the fault test circuitry;Its In, the conventionally test circuit includes:Standard source, standard scale, Distribution transformer, error calculation circuit and computer;It is described First output end of standard source is connected with the input of the Distribution transformer;Second output end of the standard source and institute The input for stating standard scale is connected;The first input end of the output end of the Distribution transformer and the error calculation circuit It is connected;The output end of the standard scale is connected with the second input of the error calculation circuit;The error calculation electricity The output end on road is connected with the computer;The protocol convert circuit is connected with the Distribution transformer;The event Barrier test circuit is connected with the standard source.The system is that one kind can complete to include conventionally test, protocol convert, border pole Limit test, the system of the test function such as failure challenge test, so as to be prevented effectively from test in because different test events need difference The measurement error that different test devices are produced is changed, test result has more accuracy, convincingness when evaluating Distribution transformer; Multiple test events can be completed in same device, it is no longer necessary to change test device, can greatly shorten the survey of terminal simultaneously The examination time.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is to be preferable to carry out a kind of Distribution transformer Auto-Test System for exemplifying according to one.
Marginal data:
1- computers;2- fault test circuitries;21- failed storage sub-circuits;22- failures generate sub-circuit;3- error meters Calculate circuit;31- delays error calculation sub-circuit;32- error in dippings calculate sub-circuit;4- protocol convert circuits;41- magnetic fields occur Device;42- radio transmitters;43- temperature controllers;5- Distribution transformers;6- standard scales;7- standard sources.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clear, complete description, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Embodiment of the present utility model provides a kind of Distribution transformer Auto-Test System, as shown in figure 1, the system System includes:Computer 1, conventionally test circuit, protocol convert circuit 4 and fault test circuitry 2;The computer 1 is normal with described Rule test circuit is connected;The computer 1 is connected with the about test circuit 4;The computer 1 and the fault test Circuit 2 is connected;Wherein, the conventionally test circuit includes:Standard source 7, standard scale 6, Distribution transformer 5, error calculation Circuit 3 and computer 1;First output end of the standard source 7 is connected with the input of the Distribution transformer 5;It is described Second output end of standard source 7 is connected with the input of the standard scale 6;The output end of the Distribution transformer 5 and institute The first input end for stating error calculation circuit 3 is connected;The output end of the standard scale 6 and the of the error calculation circuit 3 Two inputs are connected;The output end of the error calculation circuit 3 is connected with the computer 1;The protocol convert circuit 4 It is connected with the Distribution transformer 5;The fault test circuitry 2 is connected with the standard source 7.
Specifically, when conventionally test is carried out, system need to only start conventionally test circuit, Distribution transformer is completed 5 conventionally test, specific standard source 7 exports the electric energy of firm power, and the electric energy reaches Distribution transformer 5 and mark simultaneously Quasi- table 6;The power of 6 pairs of electric energy of Distribution transformer 5 and standard scale is recorded, and record result is uploaded into error meter Circuit 3 is calculated, the result that the error calculation circuit 3 is recorded to Distribution transformer 5 carries out difference with the result of the record of standard scale 6 Calculate, according to the performance of result of calculation overall merit Distribution transformer 5.
Carry out starting protocol convert circuit 4 when protocol convert, the stipulations that just can complete Distribution transformer 5 are surveyed Examination.Startup separator test circuit 2 during the relevant item of failure challenge test is carried out, first according to known fault type, from event Trigger condition is transferred in barrier storehouse and simulate the condition, while being tested by protocol convert module, test Distribution transformer 5 Whether break down, if not breaking down transfer other interference into fault test circuitry 2;Also dependent on common interference bar Whether part random combine, test Distribution transformer 5 can break down.Carry out starting protocol convert circuit when marginal testing 4, all kinds of interference that the installation environment of Distribution transformer 5 is likely to occur are simulated by interference source, and interference is put on into distribution transforming prison Terminal 5 is surveyed, protocol convert is carried out to Distribution transformer 5 while interference is applied, whether test Distribution transformer 5 can Normal work, if energy normal work, increases interference strength, until the limit is born in the interference explored to Distribution transformer 5.
The system is that one kind can be completed including conventionally test, protocol convert, boundary Limit test, failure challenge test etc. The system of test function, changes what different test devices were produced so as to be prevented effectively from test because different test events needs are different Measurement error, test result has more accuracy, convincingness when evaluating terminal;Simultaneously as can complete multiple in same device Test event, it is no longer necessary to change test device, can greatly shorten the testing time of terminal.
Further, the protocol convert circuit 4 includes:Magnetic field generator 41, radio transmitter 42 and temperature controller 43;
The output end of the computer 1 is connected with the magnetic field generator 41;
The output end of the computer 1 is connected with the radio transmitter 42;
The computer 1 is connected with the temperature controller 43.
Specifically, the system simulation carries out magnetic interference to the Distribution transformer 5, radio interference and high temperature are dry Disturb.The Distribution transformer 5 is tested in stationary magnetic field failure environment specifically, in radio interference failure environment pair The Distribution transformer 5 is tested, and the Distribution transformer 5 is tested in hot environment.
Failure environment terminal 6 to be measured in stationary magnetic field applies normal work under reference voltage, electric current, its front, side and The magnet that magnetic field intensity is 300mT is placed in bottom surface respectively, and each flat test certain time is (such as:30 minutes), to distribution transforming Monitoring terminal 5 carries out test and outputs test result.Test Distribution transformer 5 whether can normal work, if can normal work Make, then increase interference strength, until the limit is born in the interference explored to Distribution transformer 5.
Radio interference failure environment, adjusts wireless generator apparatus and the same frequency range of meter wireless module, makes distribution transformer monitoring Terminal 5 is in be freezed under the mode of operations such as unloading, continuous communiction, presses close to several sensitive positions, is carried out wireless interspeaker and is continuously done Disturb certain hour (such as:30 minutes), test is carried out to Distribution transformer 5 and is outputed test result.Testing Distribution transformer 5 is It is no can normal work, if can normal work, increase interference strength, held until exploring to the interference of Distribution transformer 5 By the limit.
Hot environment, such as hot and humid (85 DEG C of temperature, humidity 85%RH), low temperature (- 45 DEG C of temperature), high and low temperature replace (- 45 DEG C of low temperature ,+85 DEG C of high temperature), makes Distribution transformer 5 continuously run certain hour (such as under respective environment:3 days), the phase Between continuous observation metering, clock and data storage situation;After experiment, Distribution transformer 5 should be able to normal work.Test distribution transforming Monitoring terminal 5 whether can normal work, if can normal work, interference strength is increased, until exploring to distribution transformer monitoring end The limit is born in the interference at end 5.
Further, the fault test circuitry 2 includes:Failed storage sub-circuit 21 and failure generation sub-circuit 22;
The output end of the computer 1 is connected with the input of the failed storage sub-circuit 21;
The output end of the failed storage sub-circuit 21 is connected with the input of failure generation sub-circuit 22;
The output end of the failure generation sub-circuit 22 is connected with the standard source 7.
Specifically, the fault test circuitry 2 includes:Failed storage sub-circuit 21 and failure generation sub-circuit 22;It is described Failed storage sub-circuit 21 is used to store all kinds of interference that the interference source simulation installation environment of Distribution transformer 5 is likely to occur, institute Stating interference includes:Under-voltage fault is disturbed, over-voltage fault is disturbed, defluidization failure is disturbed, cutout failure is disturbed, over current fault is disturbed, Overload fault interference, open phase fault interference, the interference of Voltage unbalance failure, the interference of current imbalance failure, trend reverse fault Interference, negative phase sequence failure are disturbed, requirement transfinites failure interference, the interference of rate of qualified voltage failure, the interference of full no-voltage fault and power down Failure is disturbed, and the computer 1 is used to transfer the interference being stored in failed storage sub-circuit 21, and interference is sent to failure Generation sub-circuit 22, failure generation sub-circuit 22 generates this corresponding failure, and by corresponding fault upload to standard source 7, institute State standard source 7 and simulate corresponding failure.
Further, the error calculation circuit 3 includes, delays error calculation sub-circuit 31 and error in dipping calculates sub-circuit 32;
The output end of the standard scale 6 is connected with the first input end for delaying error calculation sub-circuit 31;
The first input end that the output end of the standard scale 6 calculates sub-circuit 32 with the error in dipping is connected;
The output end of the Distribution transformer 5 is connected with the first input end for delaying error calculation sub-circuit 31 Connect;
The first input end that the output end of the Distribution transformer 5 calculates sub-circuit 32 with the error in dipping is connected Connect;
The output end for delaying error calculation sub-circuit 31 is connected with the computer 1;
The output end that the error in dipping calculates sub-circuit 32 is connected with the computer 1.
Specifically, the system not only can calculate sub-circuit 32 by error in dipping, to the record of Distribution transformer 5 Result carries out mathematic interpolation with the result of the record of standard scale 6, according to the performance of result of calculation overall merit Distribution transformer 5. Can also be by delaying error calculation sub-circuit 31, the time that result is recorded by calculating standard scale 6 is remembered with Distribution transformer 5 The time for recording result is only poor, and performance is delayed in the communication for evaluating Distribution transformer 5.
Further, the standard source 7 is the DC current source of high stability.
From above technical scheme, the utility model provides a kind of Auto-Test System of Distribution transformer 5, bag Include:Computer 1, conventionally test circuit, protocol convert circuit 4 and fault test circuitry 2;The computer 1 and the conventional survey Examination circuit is connected;The computer 1 is connected with the about test circuit;The computer 1 and the fault test circuitry 2 It is connected;Wherein, the conventionally test circuit includes:Standard source 7, standard scale 6, Distribution transformer 5, error calculation circuit 3 With computer 1;First output end of the standard source 7 is connected with the input of the Distribution transformer 5;The standard source 7 the second output end is connected with the input of the standard scale 6;The output end of the Distribution transformer 5 and the error The first input end of counting circuit 3 is connected;The output end of the standard scale 6 is input into the second of the error calculation circuit 3 End is connected;The output end of the error calculation circuit 3 is connected with the computer 1;The protocol convert circuit 4 with it is described Distribution transformer 5 is connected;The fault test circuitry 2 is connected with the standard source 7.The system is that one kind can be completed The system of test function such as including conventionally test, protocol convert, boundary Limit test, failure challenge test, so as to be prevented effectively from Because different test events need the different measurement errors for changing different test devices generations in test, test result is to distribution transformer monitoring Terminal has more accuracy, convincingness when evaluating;Multiple test events can be completed in same device, it is no longer necessary to change and survey simultaneously Trial assembly is put, and can greatly shorten the testing time of terminal.
Those skilled in the art will readily occur to this practicality after considering specification and putting into practice utility model disclosed herein Other new embodiments.The application is intended to any modification of the present utility model, purposes or adaptations, these Modification, purposes or adaptations follow general principle of the present utility model and including undocumented skill of the utility model Common knowledge or conventional techniques in art field.Description and embodiments be considered only as it is exemplary, it is of the present utility model True scope and spirit are pointed out by following claim.
It should be appreciated that the utility model is not limited to the accurate knot for being described above and being shown in the drawings Structure, and can without departing from the scope carry out various modifications and changes.Scope of the present utility model only will by appended right Ask to limit.

Claims (5)

1. a kind of Distribution transformer Auto-Test System, it is characterised in that including:Computer (1), conventionally test circuit, rule About test circuit (4) and fault test circuitry (2);
The computer (1) is connected with the conventionally test circuit;The computer (1) and the protocol convert circuit (4) It is connected;The computer (1) is connected with the fault test circuitry (2);
Wherein, the conventionally test circuit includes:Standard source (7), standard scale (6), Distribution transformer (5) and error calculation electricity Road (3);
The output end of the standard source (7) is connected with the input of the Distribution transformer (5);
The output end of the standard source (7) is connected with the input of the standard scale (6);
The output end of the Distribution transformer (5) is connected with the input of the error calculation circuit (3);
The output end of the standard scale (6) is connected with the input of the error calculation circuit (3);
The output end of the error calculation circuit (3) is connected with the computer (1);
The protocol convert circuit (4) is connected with the Distribution transformer (5);
The fault test circuitry (2) is connected with the standard source (7).
2. system according to claim 1, it is characterised in that the protocol convert circuit (4) includes:Magnetic field generator (41), radio transmitter (42) and temperature controller (43);
The output end of the computer (1) is connected with the magnetic field generator (41);
The output end of the computer (1) is connected with the radio transmitter (42);
The output end of the computer (1) is connected with the temperature controller (43).
3. system according to claim 1, it is characterised in that the fault test circuitry (2) includes:Failed storage son electricity Road (21) and failure generate sub-circuit (22);
The output end of the computer (1) is connected with the input of the failed storage sub-circuit (21);
The output end of the failed storage sub-circuit (21) is connected with the input of failure generation sub-circuit (22);
The output end of failure generation sub-circuit (22) is connected with the standard source (7).
4. system according to claim 1, it is characterised in that the error calculation circuit (3) includes, delays error calculation Sub-circuit (31) and error in dipping calculate sub-circuit (32);
The output end of the standard scale (6) is connected with the input for delaying error calculation sub-circuit (31);
The input that the output end of the standard scale (6) calculates sub-circuit (32) with the error in dipping is connected;
The output end of the Distribution transformer (5) is connected with the input for delaying error calculation sub-circuit (31);
The input that the output end of the Distribution transformer (5) calculates sub-circuit (32) with the error in dipping is connected;
The output end for delaying error calculation sub-circuit (31) is connected with the computer (1);
The output end that the error in dipping calculates sub-circuit (32) is connected with the computer (1).
5. system according to claim 1, it is characterised in that the standard source (7) is the DC current source of high stability.
CN201621279507.6U 2016-11-24 2016-11-24 Join in marriage and become monitor terminal automatic test system Active CN206193224U (en)

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CN201621279507.6U CN206193224U (en) 2016-11-24 2016-11-24 Join in marriage and become monitor terminal automatic test system

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Application Number Priority Date Filing Date Title
CN201621279507.6U CN206193224U (en) 2016-11-24 2016-11-24 Join in marriage and become monitor terminal automatic test system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111239660A (en) * 2019-09-17 2020-06-05 惠州化能汇通智能科技有限公司 Novel full-automatic batch calibration device of distribution transformer intelligent monitoring terminal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111239660A (en) * 2019-09-17 2020-06-05 惠州化能汇通智能科技有限公司 Novel full-automatic batch calibration device of distribution transformer intelligent monitoring terminal

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