CN113156914A - Hardware insulation test platform of subway vehicle-mounted signal control equipment - Google Patents
Hardware insulation test platform of subway vehicle-mounted signal control equipment Download PDFInfo
- Publication number
- CN113156914A CN113156914A CN202110266751.8A CN202110266751A CN113156914A CN 113156914 A CN113156914 A CN 113156914A CN 202110266751 A CN202110266751 A CN 202110266751A CN 113156914 A CN113156914 A CN 113156914A
- Authority
- CN
- China
- Prior art keywords
- test
- insulation
- voltage
- hardware
- board card
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention provides a hardware insulation test platform of a subway vehicle-mounted signal control device, which comprises: the device comprises an industrial personal computer, an insulation withstand voltage tester, a digital input/output board card, a high-voltage relay switching board and an isolation room; the industrial personal computer is respectively in communication connection with the insulation withstand voltage tester and the digital input/output board card, and the high-voltage relay switching board is respectively in communication connection with the insulation withstand voltage tester, the digital input/output board card and the isolation room; the isolation room is internally provided with a board card to be tested, the industrial control computer controls the insulation and voltage resistance tester to provide signals required by insulation and voltage resistance tests, and the digital input and output board card controls and switches the relay on the high-voltage relay switching board, so that each test point is connected to the HV + end or the HV-end of the high-voltage output of the insulation and voltage resistance tester. The invention can realize the automatic test of the tested board card, and has high insulation test efficiency and good safety.
Description
Technical Field
The invention relates to the field of railway signal equipment systems, in particular to a hardware insulation test platform of a subway vehicle-mounted signal control device.
Background
With the rapid development of modern technologies, rail transit systems have higher and higher requirements on the reliability, stability, accuracy and coverage rate of the function test of hardware systems.
However, the existing hardware insulation test method for the subway vehicle-mounted signal control equipment cannot realize automatic test of a tested board, and has the problems of low insulation test efficiency and poor safety.
Disclosure of Invention
The invention aims to provide a hardware insulation test platform of a subway vehicle-mounted signal control device, which aims to solve the problems that automatic test of a tested board card cannot be realized, the insulation test efficiency is low, and the safety is poor in the prior art.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a subway vehicle-mounted signal control equipment's hardware insulation test platform, includes: the device comprises an industrial personal computer, an insulation withstand voltage tester, a digital input/output board card, a high-voltage relay switching board and an isolation room;
the industrial personal computer is respectively in communication connection with the insulation withstand voltage tester and the digital input/output board card, and the high-voltage relay switching board is respectively in communication connection with the insulation withstand voltage tester, the digital input/output board card and the isolation room;
the isolation room is internally provided with a board card to be tested, the industrial control computer controls the insulation and voltage resistance tester to provide signals required by insulation and voltage resistance tests, and the digital input and output board card controls and switches the relay on the high-voltage relay switching board, so that each test point is connected to the HV + end or the HV-end of the high-voltage output of the insulation and voltage resistance tester.
Furthermore, the hardware insulation test platform further comprises a three-color operation indicator light, and the three-color operation indicator light is connected with the industrial personal computer and used for indicating the operation state and the test result of the hardware insulation test platform.
Furthermore, the hardware insulation test platform also comprises a power supply which is connected with a 220VAC/50Hz signal and provides power for the whole hardware insulation test platform.
Furthermore, power supply includes DC power supply, right high-voltage relay switches the board safety door on-off state suggestion circuit and/or the three-colour operation pilot lamp power supply of isolation room.
Furthermore, the digital input/output board card is in communication connection with the isolation room and receives the safety door digital signal of the isolation room, and if the safety door digital signal shows that the safety door of the isolation room is not good, the relay on the high-voltage relay switching board is not controlled to be switched.
Further, if the safety door of the isolation room is not well related, the 24V track relay controls the insulation withstand voltage tester to stop outputting and give an alarm.
Further, the industrial personal computer is provided with an uninterruptible power supply.
Further, the high-voltage relay switching board is used for applying HV + and HV-signals of the insulation voltage tester to each test point of the board card to be tested.
Furthermore, the industrial personal computer is provided with upper computer test software, realizes the real-time display of the insulation and voltage-withstanding test sequence, automatically stores the test result and derives the test report, has the test self-starting function after the automatic identification and recognition of the bar code and the two-dimensional code, supports the test stopping in the test process, provides safety protection and warning, and has the self-checking function of the state of hardware equipment.
Furthermore, the hardware insulation test platform adopts NI _ Labview as a software development platform, and the Teststand of National Instruments as test sequence management software to manage the user test case, so as to realize the arrangement of the test sequence and complete the automatic test of the tested board card.
Compared with the prior art, the invention has the following advantages:
the hardware insulation test platform of the invention automatically acquires the test data of the tested points, flexibly provides insulation and voltage resistance test groups of the tested hardware boards, realizes the accurate and rapid insulation and voltage resistance test of the hardware boards of the subway vehicle-mounted signal control equipment, improves the test efficiency, and has the characteristics of high reliability, high flexibility and high safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a test platform according to the present invention;
FIG. 2 is a block diagram of a high-voltage relay switch board testing schematic diagram of the present invention;
FIG. 3 is a diagram of an upper computer software automation test interface of the present invention;
FIG. 4 is a diagram of a manual test interface of the upper computer software according to the present invention;
FIG. 5 is a test report interface diagram of the present invention.
Detailed Description
The technical solution provided by the present invention will be further described in detail with reference to the accompanying drawings and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
The invention provides a hardware insulation test platform of subway vehicle-mounted signal control equipment, which is used for insulation and voltage resistance test of the subway vehicle-mounted signal control equipment. It can be understood that, in the present invention, the tested objects are the test groups on the tested board card, and each test group is a test point.
As shown in fig. 1, the hardware insulation test platform includes an industrial personal computer 1, an insulation withstand voltage tester 2, a digital input/output board card 3, a high-voltage relay switching board 4, and an isolation room 5. The industrial personal computer 1 is respectively in communication connection with the insulation voltage-resistant tester 2 and the digital input/output board card 3, and the high-voltage relay switching board 4 is respectively in communication connection with the insulation voltage-resistant tester 2, the digital input/output board card 3 and the isolation room 5; the isolation room 5 is internally provided with a board card to be tested, the industrial personal computer 1 controls the insulation and voltage resistance tester 2 to provide signals required by insulation and voltage resistance tests, and the digital input and output board card 3 controls and switches the relay on the high-voltage relay switching board 4, so that each test point is connected to the HV + end or the HV-end of the high-voltage output of the insulation and voltage resistance tester 2.
Optionally, the insulation withstand voltage tester 2 may select chroma 19032, and the digital input/output board 3 may select an NI-DIO board. The high-voltage relay switching board 4 is in communication connection with the isolation room 5 through a Harting connector 8, the number of the high-voltage relay switching boards 4 is not limited, and the high-voltage relay switching boards can be determined according to the number of relays and the size of a board card, for example, the high-voltage relay switching boards comprise 4 high-voltage relay switching boards in the embodiment.
Further, the hardware insulation test platform further comprises a three-color operation indicator lamp 6, wherein the three-color operation indicator lamp 6 is in communication connection with the industrial personal computer and used for indicating the operation state and the test result of the hardware insulation test platform. For example, the three-color operation indicator lamp 6 includes a red lamp, a yellow lamp and a green lamp, the red lamp is normally on to represent the test failure Fail, the yellow lamp is normally on to represent the standby state, the green lamp is normally on to represent the test Pass, the yellow lamp flickers to represent the test in progress, and when the test starts or ends, the sound prompt of a buzzer can be used.
Furthermore, the hardware insulation test platform also comprises a power supply 7 which is connected with a 220VAC/50Hz signal and provides power for the whole hardware insulation test platform. The power supply 7 comprises a direct-current power supply and is used for supplying power to the high-voltage relay switching board 4, the emergency door switch state prompt circuit of the isolation room 5 and/or the three-color operation indicator lamp 6. For example, the direct current power supply generates 5V/12V/24VDC, 5V and 12V are used for supplying power to the high-voltage relay switching board 4, 24V is used for supplying power to the isolation room 5 safety door switch state prompting circuit, and the other isolation 12V is used for supplying power to the three-color operation indicating lamp 6.
The industrial personal computer 1 controls the three-color operation indicator lamp 6 and the insulation withstand voltage tester 2 through a serial port, control software (namely upper computer test software) developed by Labview and Teststand is operated on the industrial personal computer 1, and the industrial personal computer 1 can be protected from abnormal power failure shutdown by preferably being provided with a UPS (uninterrupted power supply).
When the isolation room 5 is used for the insulation and voltage resistance test, the tested board card is isolated from the outside, and the safety of operators is ensured. And an operator installs and clamps a tested cage/board card in a clamp in the isolation room 5. If the safety door of the isolation room 5 is not well related, a 24V track relay (not shown in figure 1) controls the insulation withstand voltage tester 2 to stop outputting and give an alarm. And the clamp in the isolation room 5 is connected with the main cabinet of the hardware insulation test platform through a cable.
The digital input/output board card 3 is in communication connection with the isolation room 5, receives the safety door digital signal of the isolation room 5, and does not control the switching of the relay on the high-voltage relay switching board 4 if the safety door digital signal shows that the safety door of the isolation room 5 is not relevant.
The high-voltage relay switching board 4 is used for applying the HV + and HV-signals of the insulation and voltage resistance tester 2 to each test point of the board card to be tested, and performing insulation and voltage resistance test on each test point.
The industrial personal computer 1 is provided with upper computer test software, realizes real-time display of insulation and voltage-withstanding test sequences, automatically stores test results and can derive test reports, has a test self-starting function after automatic identification and recognition of bar codes and two-dimensional codes, supports test stopping in the test process, provides necessary safety protection and warning, has a self-checking function of hardware equipment, and comprises checks of the hardware equipment such as relay states, cable connection states, clamp and board connection states. The hardware insulation test platform adopts NI _ Labview as a software development platform, and the Teststand of National Instruments as test sequence management software to manage user test cases, so that the arrangement of a test sequence is realized, and the automatic test of a product card is completed.
The communication mode of the upper computer test software adopts a network communication mode to send test start and stop commands to the insulation withstand voltage tester 2 and receive test results uploaded by the insulation withstand voltage tester 2. The automatic test can be realized, one board card is tested each time, the current test progress can be displayed in real time, and the detailed condition of each test can be displayed in real time. The test result is stored in a report form, and a test report can be exported.
The upper computer test software has the authority management function, an administrator can use the automatic test function, the manual test function and the parameter setting function, and a tester can only use the automatic test function.
The automatic test function is a test that is normally automatically performed. Firstly, selecting a tested cage or a tested board card, inputting a serial number of a tested product by using a scanning gun, and starting testing after the consistency of the serial number and the board card type is judged.
The manual test function is used for verifying the insulation and voltage resistance conditions of some test points, channels where the test points are located are freely combined, the manual test is flexible, and the method is suitable for fault recurrence.
The parameter setting function can configure the voltage value of insulation/voltage resistance/relay self-checking test, the upper and lower limit values of judgment, the test duration, the rising time, and a user name and a password for logging.
The self-checking test function can periodically verify the relay pull-in and pull-out performance of the 4 high-voltage relay switching boards 4, and carry out self-checking test on the connection reliability of the clamp by using a short-circuit test board.
The test report comprises the serial number of the tested product, the test time, the tester, the test duration, the details of the test item and the test result.
As shown in fig. 2, the switching principle of the high-voltage relay switching board 4 of the present invention is: the digital input/output board card 3 controls the relay on the high-voltage relay switching board 4 to act according to the test command of the upper computer test software, and applies the HV + and HV-signals of the insulation withstand voltage tester 2 to each test group of the tested board card. The hardware insulation test platform also provides a 500K resistance self-checking function, and is used for checking the relay pull-in and break-out performance on the high-voltage relay switching board 4, and the fault self-diagnosis capability of the platform is improved.
As shown in fig. 3-5, for automatic testing, login is performed to enter a main test interface, a corresponding board/cage name to be tested is selected, a program automatically starts formal testing, a serial number of a product is input, the program can automatically identify the matching between the serial number and the board type, the test interface can display a test result in real time, and a final test result can be automatically stored in real time.
In order to enable engineers to more flexibly position the reason of the abnormal test problem, a manual debugging interface is opened, and channels where test points are located can be freely combined.
In conclusion, the hardware insulation test platform can automatically acquire insulation and voltage resistance test data, realizes automatic hardware insulation and voltage resistance test of the subway vehicle-mounted signal control equipment, improves test efficiency, and has the characteristics of high reliability, high flexibility and high safety.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (10)
1. The utility model provides a subway vehicle-mounted signal control equipment's hardware insulation test platform which characterized in that includes: the device comprises an industrial personal computer, an insulation withstand voltage tester, a digital input/output board card, a high-voltage relay switching board and an isolation room;
the industrial personal computer is respectively in communication connection with the insulation withstand voltage tester and the digital input/output board card, and the high-voltage relay switching board is respectively in communication connection with the insulation withstand voltage tester, the digital input/output board card and the isolation room;
the isolation room is internally provided with a board card to be tested, the industrial control computer controls the insulation and voltage resistance tester to provide signals required by insulation and voltage resistance tests, and the digital input and output board card controls and switches the relay on the high-voltage relay switching board, so that each test point is connected to the HV + end or the HV-end of the high-voltage output of the insulation and voltage resistance tester.
2. The hardware insulation test platform of the subway vehicle-mounted signal control equipment as claimed in claim 1, further comprising a three-color operation indicator lamp, which is in communication connection with said industrial personal computer and is used for indicating the operation state and test result of said hardware insulation test platform.
3. The hardware insulation test platform of the subway vehicle-mounted signal control equipment as claimed in claim 2, further comprising a power supply, wherein 220VAC/50Hz signals are accessed, and power is supplied to the whole hardware insulation test platform.
4. The hardware insulation test platform of the subway vehicle-mounted signal control equipment as claimed in claim 3, wherein said power supply comprises a DC power supply for supplying power to said high-voltage relay switching board, said emergency gate switch status prompt circuit of said isolation room and/or a three-color operation indicator lamp.
5. The hardware insulation test platform of the subway vehicle-mounted signal control equipment as claimed in claim 1, wherein said digital input/output board card is in communication connection with said isolated room, receives emergency exit digital signals of said isolated room, and does not control to switch the relay on said high-voltage relay switching board if said emergency exit digital signals show that the emergency exit of said isolated room is not good.
6. The hardware insulation test platform of the subway vehicle-mounted signal control equipment as claimed in claim 5, wherein if the emergency exit of said isolation room is not well related, the 24V rail relay controls said insulation withstand voltage tester to stop outputting and alarm.
7. The hardware insulation test platform of the subway vehicle-mounted signal control equipment as claimed in claim 1, wherein said industrial personal computer is equipped with an uninterruptible power supply.
8. The hardware insulation test platform of the subway vehicle-mounted signal control equipment as claimed in claim 1, wherein said high voltage relay switching board is used for applying HV + and HV-signals of said insulation withstand voltage tester to each test point of said board card to be tested.
9. The hardware insulation test platform of the subway vehicle-mounted signal control equipment as claimed in claim 1, wherein said industrial personal computer has upper computer test software, realizes real-time display of insulation and voltage-withstanding test sequences, automatically stores test results and derives test reports, automatically identifies bar codes and two-dimensional codes, has a test self-starting function after identification, supports stopping testing in the test process, provides safety protection and warning, and has a self-checking function for hardware equipment states.
10. The hardware insulation test platform of the subway vehicle-mounted signal control equipment as claimed in claim 1, wherein said hardware insulation test platform adopts NI _ Labview as a software development platform, and National Instruments Teststand as a test sequence management software to manage user test cases, implement the arrangement of test sequences and complete the automatic test of the board card under test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110266751.8A CN113156914B (en) | 2021-03-11 | 2021-03-11 | Hardware insulation test platform of subway vehicle-mounted signal control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110266751.8A CN113156914B (en) | 2021-03-11 | 2021-03-11 | Hardware insulation test platform of subway vehicle-mounted signal control equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113156914A true CN113156914A (en) | 2021-07-23 |
| CN113156914B CN113156914B (en) | 2022-07-12 |
Family
ID=76886821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110266751.8A Active CN113156914B (en) | 2021-03-11 | 2021-03-11 | Hardware insulation test platform of subway vehicle-mounted signal control equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113156914B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019327A (en) * | 2021-11-05 | 2022-02-08 | 卡斯柯信号有限公司 | Insulation test system of target controller beside railway track |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100077495A (en) * | 2008-12-29 | 2010-07-08 | 한국철도기술연구원 | Electrode for high voltage dielectric test |
| CN202443097U (en) * | 2011-12-27 | 2012-09-19 | 北京铁路信号有限公司 | Cabinet insulation voltage resistant automatic testing device |
| CN203406153U (en) * | 2013-09-03 | 2014-01-22 | 国家电网公司 | Intelligently-controlled transformer |
| CN205540075U (en) * | 2015-09-02 | 2016-08-31 | 深圳市兴汇科技有限公司 | Take double insulation buffer circuit of load output sense function |
| CN105954590A (en) * | 2015-12-31 | 2016-09-21 | 西安航天精密机电研究所 | Insulation pathway tester |
| CN108226730A (en) * | 2018-03-09 | 2018-06-29 | 北京纵横机电技术开发公司 | A kind of multichannel insulation pressure resistance automatic testing equipment and method |
| CN111439168A (en) * | 2020-05-09 | 2020-07-24 | 中铁十二局集团电气化工程有限公司 | Installation and construction method of flexible contact net sectional insulator |
| CN112466545A (en) * | 2020-11-26 | 2021-03-09 | 飞洲集团股份有限公司 | High-voltage direct-current cable for high-speed rail traction locomotive and preparation method thereof |
-
2021
- 2021-03-11 CN CN202110266751.8A patent/CN113156914B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100077495A (en) * | 2008-12-29 | 2010-07-08 | 한국철도기술연구원 | Electrode for high voltage dielectric test |
| CN202443097U (en) * | 2011-12-27 | 2012-09-19 | 北京铁路信号有限公司 | Cabinet insulation voltage resistant automatic testing device |
| CN203406153U (en) * | 2013-09-03 | 2014-01-22 | 国家电网公司 | Intelligently-controlled transformer |
| CN205540075U (en) * | 2015-09-02 | 2016-08-31 | 深圳市兴汇科技有限公司 | Take double insulation buffer circuit of load output sense function |
| CN105954590A (en) * | 2015-12-31 | 2016-09-21 | 西安航天精密机电研究所 | Insulation pathway tester |
| CN108226730A (en) * | 2018-03-09 | 2018-06-29 | 北京纵横机电技术开发公司 | A kind of multichannel insulation pressure resistance automatic testing equipment and method |
| CN111439168A (en) * | 2020-05-09 | 2020-07-24 | 中铁十二局集团电气化工程有限公司 | Installation and construction method of flexible contact net sectional insulator |
| CN112466545A (en) * | 2020-11-26 | 2021-03-09 | 飞洲集团股份有限公司 | High-voltage direct-current cable for high-speed rail traction locomotive and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019327A (en) * | 2021-11-05 | 2022-02-08 | 卡斯柯信号有限公司 | Insulation test system of target controller beside railway track |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113156914B (en) | 2022-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108279340B (en) | In-situ relay protection device testing method and system | |
| CN103983884A (en) | Multi-core cable testing system and method | |
| CN201072597Y (en) | Automatic detection instrument for aviation electronic flight instrument | |
| CN108089083A (en) | Alternating-current charging pile detecting system | |
| CN112255562B (en) | System and method for testing performance of direct-current power supply board card | |
| CN113156914B (en) | Hardware insulation test platform of subway vehicle-mounted signal control equipment | |
| CN104020376A (en) | Three-remote automatic testing method for power distribution terminal | |
| CN203881881U (en) | Multi-core cable testing system | |
| CN103995207A (en) | Three-remote automatic test device for power distribution terminal | |
| CN109061406B (en) | Testing device and method for relay signal processor of nuclear power station reactor protection system | |
| CN105006891A (en) | On-line visual remote control terminal and method used for transformer station background upgrading | |
| JP2020101496A (en) | Inspection method and testing device | |
| CN205038278U (en) | Signal product single -deck testing arrangement | |
| CN113866483A (en) | Automatic checking method and system for secondary voltage of transformer substation | |
| CN108075948A (en) | A kind of In-vehicle networking management consistency test device and its method | |
| CN203870470U (en) | Feeder automation test system without network | |
| CN203224587U (en) | Cable testing device | |
| CN207689589U (en) | All-electronin interlocks hardware intelligent test system | |
| RU2633530C1 (en) | Method and device for automated functional test and fault diagnostics of radioelectronic equipment | |
| CN114088433B (en) | Rail circuit simulation load equipment | |
| US20180356470A1 (en) | Method and system for performing diagnostics and monitoring a dc subsystem | |
| CN203870183U (en) | Three-remote automatic test equipment for power distribution terminal | |
| JP7331707B2 (en) | Inspection method | |
| LU503552B1 (en) | System for simulation of operating conditions of high voltage primary equipment in a low voltage environment | |
| CN115877310B (en) | Voltage transformer on-site verification system and state diagnosis method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |