CN204044268U - A kind of city rail current transformer general low-voltage Auto-Test System - Google Patents
A kind of city rail current transformer general low-voltage Auto-Test System Download PDFInfo
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- CN204044268U CN204044268U CN201420520555.4U CN201420520555U CN204044268U CN 204044268 U CN204044268 U CN 204044268U CN 201420520555 U CN201420520555 U CN 201420520555U CN 204044268 U CN204044268 U CN 204044268U
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Abstract
The utility model discloses a kind of city rail current transformer general low-voltage Auto-Test System, comprise computing machine, programmed switch; Described computing machine is connected with described programmed switch; Described computing machine is connected with the control module of tested converter system; Described control module is connected with digital spc input card; Described computing machine and programmable data capture card, described digital spc input card are all bi-directionally connected; Described computing machine is connected with multiple programmable power supply, and wherein programmable power supply described at least one is connected with described programmed switch; Described programmed switch is connected with load contact device; Described load contact device connects threephase load.Low-pressure test system of the present utility model can meet the testing requirement of city rail traction convertor, AuCT simultaneously, highly versatile, convenient test, and low cost achieves the multiplexing of test resource.
Description
Technical field
The utility model relates to field of urban rail, particularly a kind of city rail current transformer general low-voltage Auto-Test System.
Background technology
City rail traffic industry current development is at full speed, and current transformer (see Fig. 1, Fig. 2) is as its core component, and its performance and the normal operation of quality to whole city rail system play decisive role.In order to ensure the outgoing of current transformer, detailed delivery test need be carried out, fully to expose hidden danger of quality.Consider from security standpoint and test coverage, need before Hi-pot test, first to carry out comparatively detailed low voltage experiment to traction convertor and AuCT, before both can having ensured Hi-pot test, effectively carried out fault examination, also can realize complementary test.But according to manual testing process before, low voltage experiment process operation is complicated, inefficiency.Current traction convertor low voltage experiment equipment (see figure 3) can only be tested for traction convertor, cannot test for AuCT.Accordingly, current AuCT low voltage experiment equipment also can only be tested for AuCT, cannot test for traction convertor.
Summary of the invention
Technical problem to be solved in the utility model is, not enough for prior art, provides a kind of city rail current transformer general low-voltage Auto-Test System, meets the testing requirement of city rail traction convertor, AuCT simultaneously.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of city rail current transformer general low-voltage Auto-Test System, comprises computing machine, programmed switch; Described computing machine is connected with described programmed switch; Described computing machine is connected with the control module of tested converter system; Described control module is connected with digital spc input card; Described computing machine is connected with programmable data capture card, described digital spc input card; Described computing machine is connected with multiple programmable power supply, and wherein programmable power supply described at least one is connected with described programmed switch; Described programmed switch is connected with load contact device; Described load contact device connects threephase load.
Described programmed switch comprises multiple main switch; First main switch one end is connected with the first programmable power supply, and the described first main switch other end is connected with first group of sub-switch; Second main switch one end is connected with the second programmable power supply, and the described second main switch other end is connected with second group of sub-switch; 3rd main switch one end is connected with multimeter, and the described 3rd main switch other end is connected with the 3rd group of sub-switch; Described multimeter is connected with described computing machine; Described first group of sub-switch, second group of sub-switch, the 3rd group of sub-switch include the switch of multiple parallel connection; Described first group of sub-switch is connected with described control module, and described first group of sub-switch is connected with load contact device.Programmed switch possesses the grouping of multiple switch, for different test specimens, by programmed control, with digital spc input card with the use of, can the different test logic of simulated implementation.
Described programmable data capture card is connected with a point pressing plate; Described point of pressing plate is connected with described load contact device.Divide pressing plate can decay to analog input signal, make the utility model test macro can measure three-phase waveform and phase place simultaneously.
Compared with prior art, the beneficial effect that the utility model has is: low-pressure test system of the present utility model can meet the testing requirement of city rail traction convertor, AuCT simultaneously, highly versatile, convenient test, low cost achieves the multiplexing of test resource; Test macro can be simulated provides the signal of the enable logic needed for test specimen, and adopt the mode that numeral input capture card and programmed switch combine, test macro volume can be made compacter, and test logic also can be arranged flexibly; The external interface testing requirement of digital quantity, analog input and output can be met, realize the Test coverage of external interface line; Analog acquisition channel resource is sufficient, and can realize detecting voltage waveform and phase place that three-phase exports, cost is low simultaneously, tests convenient and efficiency is high.
Accompanying drawing explanation
Fig. 1 is traction convertor theory diagram;
Fig. 2 is AuCT theory diagram;
Fig. 3 is existing current transformer low pressure Auto-Test System schematic diagram;
Fig. 4 is the utility model one example structure schematic diagram;
Fig. 5 is the utility model one embodiment traction convertor test macro block diagram;
Fig. 6 is the utility model one embodiment AuCT test macro block diagram.
Embodiment
As shown in Figure 4, in this test macro,
PC is the control core of current transformer low pressure Auto-Test System, adopt control module in card, programmable power supply 3, digital spc input card, multimeter, programmable power supply 2, programmable power supply 1, programmed switch, tested converter system through the program control number of control bus to be connected, by running autotest program, realize the control to instrument and tested current transformer.
Program control number adopts card through a point pressing plate, can realize being connected with inverter module b outgoing side in tested converter system a, realize the detection of respective waveforms, and a point pressing plate does voltage signal attenuation processing.By receiving PC programmed instruction collection signal waveform.
Multimeter is connected with tested converter system a and control module h wherein through programmed switch.Measurement function selection is carried out by receiving PC programmed instruction.
Digital spc input card is connected with the control module h of tested converter system a.Digital signal acquiring is carried out by receiving PC programmed instruction.
Programmable power supply 1 is connected with inverter module b input side in tested converter system a.By receiving the instruction of PC programmed instruction, power parameter is set.
Programmable power supply 2 is through programmed switch or be directly connected with control module h in tested converter system a.By receiving PC programmed instruction, power parameter is set.
Programmable power supply 3 is connected with control module h in contactor, tested converter system through programmed switch.By receiving PC programmed instruction, power parameter is set.
Programmed switch is the routing center of current transformer low pressure Auto-Test System, is connected with control module h in programmable power supply 2, programmable power supply 3, multimeter, contactor and tested converter system through switch.Route Selection is carried out by receiving PC programmed instruction.
Pressing plate is divided to connect the load contact device input side that program control number adopts card and current transformer low pressure Auto-Test System.The three-phase input side of current transformer low pressure Auto-Test System is connected with threephase load by load contact device.
As Fig. 5, below illustrate city rail traction convertor low-pressure test system function.
inversion module action of low-voltage pulse testing procedure:
<1>, PC working procedure, control programmable power supply 2 and export specific voltage (as DC110V), in tested converter system a, control module h obtains electric operation;
<2>, PC working procedure, control programmable power supply 1 and export specific voltage (as DC24V), in tested converter system a, direct current input side obtains electric;
<3>, PC working procedure, control control module h in tested converter system a and start inverter module b inverter operation;
<4>, PC working procedure, control program control number and adopt card collection waveform, obtain waveform parameter, judge test result, store test data.
input current sensor, input voltage sensor, inversion module current sensor testing procedure:
<1>, PC working procedure, control programmable power supply 2 and export specific voltage (as DC110V), in tested converter system a, control module h obtains electric operation;
<2>, PC working procedure, control programmable power supply 1 and export specific voltage (as DC24V), in tested converter system a, direct current input side obtains electric;
<3>, PC working procedure, control programmed switch, controls programmable power supply 3 and export specific voltage (as DC24V), and contactor obtains electric closed, and threephase load is connected with outgoing side in tested converter system a.
<4>, PC working procedure, control control module h in tested converter system a and start inverter module b inverter operation;
<5>, PC working procedure, control control module h in tested converter system a and regulate inverter module inverter current, now have electric current to flow through in input current sensor d, inverter module current sensor f;
<6>, PC working procedure, control control module h Gather and input voltage sensor e magnitude of voltage and input current sensor d, inverter module current sensor f current value in tested converter system a, judge test result, store test data.
copped wave blocks current sensor test step:
<1>, PC working procedure, control programmable power supply 2 and export specific voltage (as DC110V), in tested converter system a, control module h obtains electric operation;
<2>, PC working procedure, control programmable power supply 1 and export specific voltage (as DC24V), in tested converter system a, direct current input side obtains electric;
<3>, PC working procedure, control control module h in tested converter system a and start copped wave module c copped wave operation; Electric current is had to flow through in now copped wave blocks current sensor j;
<4>, PC working procedure, control control module h in tested converter system a and gather copped wave blocks current sensor j current value, judge test result, store test data.
enable logic testing procedure:
<1>, PC working procedure, control programmable power supply 2 and export specific voltage (as DC110V), in tested converter system a, control module h obtains electric operation;
<2>, PC working procedure, control programmed switch, given specific voltage digital quantity input (as DC110V), control digital spc input card simultaneously and read tested current transformer a digital output state (' ' 1 ' or ' 0 '), judge test result, store test data;
numeral input external connection testing procedure:
<1>, PC working procedure, control programmable power supply 2 and export specific voltage (as DC110V), in tested converter system a, control module h obtains electric operation;
<2>, PC working procedure, control programmed switch, given specific voltage digital quantity input (as DC110V);
<3>, PC working procedure, control control module h in tested converter system a and gather corresponding digital input channel state (' 1 ' or ' 0 '), judge test result, store test data.
numeral exports external connection testing procedure:
<1>, PC working procedure, control programmable power supply 2 and export specific voltage (as DC110V), in tested converter system a, control module h obtains electric operation;
<2>, PC working procedure, control control module h in tested converter system a and set digital output state value (' ' 1 ' or ' 0 ');
<3>, PC working procedure, control programmed switch, connects multimeter to corresponding digital measurement passage;
<4>, PC working procedure, control multimeter and gather magnitude of voltage, judge test result, store test data.
AuCT test macro block diagram as shown in Figure 6.
Illustrate city rail AuCT low-pressure test system function below.
low pressure output function testing procedure:
<1>, PC working procedure, control programmable power supply 2 and export specific voltage (as DC110V), in tested converter system, control module obtains electric operation;
<2>, PC working procedure, controlling control module in tested converter system, to arrange operational mode be low-voltage;
<3>, PC working procedure, control programmable power supply 1 and export specific voltage (as DC200V), in tested converter system, direct current input side obtains electric, and current transformer self-starting runs;
<4>, PC working procedure, control program control number and adopt card collection waveform, obtain waveform parameter (comprising magnitude of voltage, frequency values, phase value), judge test result, store test data.
voltage/current sensor, voltage detecting plate, current transformer testing procedure:
<1>, PC working procedure, control programmable power supply 2 and export specific voltage (as DC110V), in tested converter system, control module obtains electric operation;
<2>, PC working procedure, controlling control module in tested converter system, to arrange operational mode be low-voltage;
<3>, PC working procedure, control programmable power supply 1 and export specific voltage (as DC200V), in tested converter system, direct current input side obtains electric, and current transformer self-starting runs;
<4>, PC working procedure, control programmed switch, control programmable power supply 3 and export specific voltage (as DC24V), contactor obtains electric closed, threephase load is connected with outgoing side in tested converter system, and now current sensor d, f and current transformer g all has certain electric current to flow through.
<5>, PC working procedure, control the parameter value of control module difference Gather and input current sensor d, input voltage sensor e, inversion module current sensor f, output current transformer g, output voltage check-out console j in tested converter system, judge test result, store test data.
contactor action logic testing procedure:
<1>, PC working procedure, control programmable power supply 2 and export specific voltage (as DC110V), in tested converter system, control module obtains electric operation;
<2>, PC working procedure, controlling control module in tested converter system, to arrange operational mode be compulsory mode;
<3>, PC working procedure, control the given contactor of control module in tested converter system and force action command;
<4>, PC working procedure, control control module in tested converter system and gather corresponding contactor feedback digital amount state (' ' 1 ' or ' 0 '), judge test result, store test data.
analog quantity emergency protection testing procedure:
<1>, PC working procedure, control programmable power supply 2 and export specific voltage (as DC110V), in tested converter system, control module obtains electric operation;
<2>, PC working procedure, control the given at particular voltage level of programmable power supply 3;
<3>, PC working procedure, control programmable power supply 3 regulation voltage level, make control module fault protection in tested converter system;
<4>, PC working procedure, control programmable power supply 3 gathers voltage output value during fault protection, judges test result, store test data.
Claims (3)
1. a city rail current transformer general low-voltage Auto-Test System, comprises computing machine, programmed switch; Described computing machine is connected with described programmed switch; Described computing machine is connected with the control module of tested converter system; It is characterized in that, described control module is connected with digital spc input card; Described computing machine is connected with programmable data capture card, described digital spc input card; Described computing machine is connected with multiple programmable power supply, and wherein programmable power supply described at least one is connected with described programmed switch; Described programmed switch is connected with load contact device; Described load contact device connects threephase load.
2. city according to claim 1 rail current transformer general low-voltage Auto-Test System, it is characterized in that, described programmed switch comprises multiple main switch; First main switch one end is connected with the first programmable power supply, and the described first main switch other end is connected with first group of sub-switch; Second main switch one end is connected with the second programmable power supply, and the described second main switch other end is connected with second group of sub-switch; 3rd main switch one end is connected with multimeter, and the described 3rd main switch other end is connected with the 3rd group of sub-switch; Described multimeter is connected with described computing machine; Described first group of sub-switch, second group of sub-switch, the 3rd group of sub-switch include the switch of multiple parallel connection; Described first group of sub-switch is connected with described control module, and described first group of sub-switch is connected with load contact device.
3. city according to claim 1 and 2 rail current transformer general low-voltage Auto-Test System, is characterized in that, described programmable data capture card is connected with a point pressing plate; Described point of pressing plate is connected with described load contact device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420520555.4U CN204044268U (en) | 2014-09-11 | 2014-09-11 | A kind of city rail current transformer general low-voltage Auto-Test System |
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| CN201420520555.4U CN204044268U (en) | 2014-09-11 | 2014-09-11 | A kind of city rail current transformer general low-voltage Auto-Test System |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444704A (en) * | 2016-09-26 | 2017-02-22 | 中车大连电力牵引研发中心有限公司 | Current transformer controller testing system |
| CN107782988A (en) * | 2016-08-24 | 2018-03-09 | 株洲中车时代电气股份有限公司 | The test system and Efficiency test method of multiple-channel output AuCT |
| CN112782493A (en) * | 2019-11-05 | 2021-05-11 | 株洲中车时代电气股份有限公司 | Converter module function detection device and method |
| CN113189954A (en) * | 2021-03-17 | 2021-07-30 | 施耐德万高（天津）电气设备有限公司 | Test tool and test method for medium-voltage ATS controller |
| CN113466577A (en) * | 2021-05-24 | 2021-10-01 | 江苏经纬轨道交通设备有限公司 | Universal test equipment for current transformer |
-
2014
- 2014-09-11 CN CN201420520555.4U patent/CN204044268U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782988A (en) * | 2016-08-24 | 2018-03-09 | 株洲中车时代电气股份有限公司 | The test system and Efficiency test method of multiple-channel output AuCT |
| CN106444704A (en) * | 2016-09-26 | 2017-02-22 | 中车大连电力牵引研发中心有限公司 | Current transformer controller testing system |
| CN112782493A (en) * | 2019-11-05 | 2021-05-11 | 株洲中车时代电气股份有限公司 | Converter module function detection device and method |
| CN112782493B (en) * | 2019-11-05 | 2022-03-11 | 株洲中车时代电气股份有限公司 | Converter module function detection device and method |
| CN113189954A (en) * | 2021-03-17 | 2021-07-30 | 施耐德万高（天津）电气设备有限公司 | Test tool and test method for medium-voltage ATS controller |
| CN113189954B (en) * | 2021-03-17 | 2023-02-10 | 施耐德万高（天津）电气设备有限公司 | Test tool and test method for medium-voltage ATS controller |
| CN113466577A (en) * | 2021-05-24 | 2021-10-01 | 江苏经纬轨道交通设备有限公司 | Universal test equipment for current transformer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20200911 |