CN107179471B - Inter-board bus plug-in testing method - Google Patents
Inter-board bus plug-in testing method Download PDFInfo
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- CN107179471B CN107179471B CN201710386471.4A CN201710386471A CN107179471B CN 107179471 B CN107179471 B CN 107179471B CN 201710386471 A CN201710386471 A CN 201710386471A CN 107179471 B CN107179471 B CN 107179471B
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- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/67—Testing the correctness of wire connections in electric apparatus or circuits
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Abstract
The application provides a method for testing an inter-board bus plug-in, which determines whether each primary power supply loop normally works or not by detecting power consumption values of a plurality of primary power supply loops, determines whether each secondary power supply loop normally works or not by detecting power supply values of a plurality of secondary power supply loops if all the primary power supply loops normally work, and performs function test to complete the test of the inter-board bus plug-in if all the secondary power supply loops normally work. Therefore, the method can realize the electrification detection of the bus plug-in units between the boards, has accurate detection, does not need manual intervention, and simplifies the detection program.
Description
Technical Field
The application relates to the technical field of plug-in detection, in particular to a method for testing an inter-board bus plug-in.
Background
The direct current control protection device is the core of the high-voltage direct current transmission system, and the performance of the direct current control protection device directly determines the operation of a direct current project and the safety of direct current equipment. The direct current protection is used for protecting each direct current device of the converter station, rapidly cutting off open circuit faults or abnormal operation devices in the system under fault or abnormal working conditions, and preventing the direct current protection from causing damage or interfering normal operation of other parts of the system. The multi-processor board card assembly formed based on the plug-in units for controlling and protecting bus communication between boards is a core component of high-voltage direct-current control protection.
In the prior art, the inter-board bus plug-in test needs to be performed after the tests of the non-electrified resistors of the primary power supply and the secondary power supply loop, the voltage test of the power supply loop is performed by electrifying, and the function test can be performed after no abnormal condition exists. To avoid the influence of the motherboard, the test without charging needs to be separately placed. Bus plug-in components between boards are complex, primary power supply and secondary power supply loops are more, and under the condition of no electricity, some power supply loops adopting isolation power supplies have smaller static impedance per se, and whether the power supply loops are abnormal or not can only be judged through empirical values. And after the bus plug-in components between the boards are electrified, the measured values of the primary power supply and the secondary power supply are observed manually, and the main elements are touched to detect the abnormity of the primary power supply and the secondary power supply, so that the detection process is complicated, and the detection time is too long, so that the small fault is developed into the hidden trouble of larger fault. Moreover, the functional test of the bus plug-in unit between boards can be completed only by reliable communication capability between boards and manual intervention, and large errors are easy to generate by manually observing results.
Disclosure of Invention
The application provides a method for testing an inter-board bus plug-in unit, which aims to solve the problem that whether a power supply loop is abnormal or not can only be judged through an empirical value in the prior art. And after the bus plug-in components between the boards are electrified, the detection process is complicated, and the detection time is too long, so that the small fault is developed into the hidden trouble of the large fault. Moreover, the functional test of the bus plug-in unit between boards can be completed only by reliable communication capability between boards and manual intervention, and the problem of large error is easy to generate by manually observing the result.
The application provides a method for testing an inter-board bus plug-in, which comprises the following steps:
acquiring power consumption values of a plurality of primary power supply loops of inter-board bus plug-ins;
determining the working state of each primary power supply loop according to the power consumption value of each primary power supply loop;
if all primary power supply loops work normally, acquiring voltage values of a plurality of secondary power supplies of the inter-board bus plug-in units;
determining the working state of each secondary power supply loop according to the voltage value of each secondary power supply;
if all secondary power supply loops work normally, acquiring the open-out voltage of an open-in circuit or the open-in voltage of an open-out circuit of the inter-board bus plug-in;
and determining the working state of the open-in circuit or the open-out circuit of the inter-board bus plug-in according to the open-out voltage or the open-in voltage.
Further, the obtaining of the power consumption value of the multiple primary power supplies of the inter-board bus card comprises:
acquiring a voltage value of a power-on power supply of the inter-board bus plug-in;
and if the voltage value of the power-on power supply is smaller than a first preset voltage value, sending a power-on command to the inter-board bus plug-in.
Further, the step of determining the operating state of each primary power supply loop according to the power consumption value of each primary power supply loop comprises:
if the power consumption value of the primary power supply loop is smaller than a preset power consumption value, determining that the primary power supply loop works normally;
and if the power consumption value of the primary power supply loop is greater than or equal to the preset power consumption value, determining that the primary power supply loop works abnormally.
Further, the step of determining the working state of each secondary power supply loop according to the voltage value of each secondary power supply comprises;
if the voltage value of the secondary power supply is smaller than a second preset voltage value, determining that the secondary power supply loop works normally;
and if the voltage value of the secondary power supply is greater than or equal to the second preset voltage value, determining that the secondary power supply loop works abnormally.
Further, the step of determining the operating state of the on-circuit or the off-circuit of the inter-board bus card according to the on-voltage or the off-voltage includes:
if the open voltage is smaller than a third preset voltage value, determining that the open circuit works normally;
if the open-out voltage is greater than or equal to a third preset voltage value, determining that the open-out circuit works abnormally;
if the switching-on voltage is smaller than a fourth preset voltage value, determining that the switching-on/off circuit works normally;
and if the switching-on voltage is greater than or equal to a fourth preset voltage value, determining that the switching-on circuit works abnormally.
According to the technical scheme, whether each primary power supply loop works normally or not is determined by detecting the power consumption values of the plurality of primary power supply loops, if all the primary power supply loops work normally, the power supply values of the plurality of secondary power supply loops are detected again, whether each secondary power supply loop works normally or not is determined, and if all the secondary power supply loops work normally, the function test is carried out, and the test of the inter-board bus plug-in is completed. Therefore, the method can realize the electrification detection of the bus plug-in units between the boards, has accurate detection, does not need manual intervention, and simplifies the detection program.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a flowchart of a method for testing an inter-board bus card according to the present application.
Detailed Description
Referring to fig. 1, a method for testing an inter-board bus card provided by the present application is schematically illustrated. The application provides a method for testing an inter-board bus plug-in, which comprises the following steps:
step 11: and acquiring power consumption values of a plurality of primary power supply loops of the inter-board bus plug-in.
The primary power supply loop is a loop for converting 220V or 380V alternating current voltage into-48V or-24V direct current voltage.
The primary power supply loop is connected with a sampling resistor in series, and the power consumption value of the primary power supply loop can be calculated according to the resistance value of the sampling resistor and the voltage value of the sampling resistor.
Step 12: and determining the working state of each primary power supply loop according to the power consumption value of each primary power supply loop.
Step 13: and if all the primary power supply loops work normally, acquiring the voltage values of a plurality of secondary power supplies of the bus plug-in units between the boards.
Step 14: and determining the working state of each secondary power supply loop according to the voltage value of each secondary power supply.
The secondary power supply circuit converts a-48V or-24V dc voltage into a power supply voltage of 12V, 5V, or the like for each unit circuit.
Step 15: and if all secondary power supply loops work normally, acquiring the open-out voltage of the open-in circuit or the open-in voltage of the open-out circuit of the inter-board bus plug-in.
Step 16: and determining the working state of the open-in circuit or the open-out circuit of the inter-board bus plug-in according to the open-out voltage or the open-in voltage.
According to the technical scheme, whether each primary power supply loop works normally or not is determined by detecting the power consumption values of the plurality of primary power supply loops, if all the primary power supply loops work normally, the power supply values of the plurality of secondary power supply loops are detected again, whether each secondary power supply loop works normally or not is determined, and if all the secondary power supply loops work normally, the function test is carried out, and the test of the inter-board bus plug-in is completed. Therefore, the method can realize the electrification detection of the bus plug-in units between the boards, has accurate detection, does not need manual intervention, and simplifies the detection program.
Further, the step 11 comprises, before:
step 21: and acquiring the voltage value of the power-on power supply of the inter-board bus plug-in.
Step 22: and if the voltage value of the power-on power supply is smaller than a first preset voltage value, sending a power-on command to the inter-board bus plug-in.
Before detecting the primary power supply loop, detecting the voltage of the primary power supply, and if the voltage value of the primary power supply is smaller than a first preset voltage value, determining that the primary power supply normally works, and electrifying the bus plug-in boards. And if the voltage value of the primary power supply is greater than the first preset voltage value, determining that the primary power supply is abnormal, not electrifying the bus plug-in units between the boards, and sending alarm information. By detecting the primary power supply, the bus plug-in units between boards can be safely powered on, and the bus plug-in units between boards can be prevented from being damaged due to the failure of the power supply.
Further, step 12 includes:
step 31: if the power consumption value of the primary power supply loop is less than the preset power consumption value, step 32 is executed.
If the power consumption value of the primary power supply loop is greater than or equal to the preset power consumption value, step 33 is executed.
Step 32: and determining that the primary power supply loop works normally.
Step 33: and determining that the primary power supply circuit works abnormally.
Further, step 14 comprises;
step 41: if the voltage value of the secondary power supply is less than the second preset voltage value, step 42 is performed.
If the voltage value of the secondary power is greater than or equal to the second preset voltage value, step 43 is performed.
Step 42: and determining that the secondary power supply loop works normally.
Step 43: and determining that the secondary power supply loop works abnormally.
Further, step 16 comprises:
step 51: if the open voltage is less than the third predetermined voltage value, step 52 is performed.
If the open voltage is greater than or equal to the third preset voltage value, step 53 is executed.
Step 52: and determining that the open circuit works normally.
Step 53: and determining that the open circuit works abnormally.
Step 54: if the input voltage is less than the fourth preset voltage value, step 55 is performed.
If the on voltage is greater than or equal to the fourth preset voltage value, step 56 is performed.
Step 55: and determining that the open circuit works normally.
Step 56: and determining that the open circuit works abnormally.
The open-out voltage value of the open-in circuit is detected in the open-in process of the bus plug-in unit between the boards and is compared with a third preset voltage value to detect whether the open-in circuit has a fault or not. In the process of opening the bus plug-in unit between the boards, the opening voltage of the opening circuit is detected so as to detect whether the opening circuit has faults or not. Therefore, the function detection of the inter-board bus plug-in is free from manual intervention, the accuracy of the detection result is improved, and the test procedure is simplified.
According to the technical scheme, whether each primary power supply loop works normally or not is determined by detecting the power consumption values of the plurality of primary power supply loops, if all the primary power supply loops work normally, the power supply values of the plurality of secondary power supply loops are detected again, whether each secondary power supply loop works normally or not is determined, and if all the secondary power supply loops work normally, the function test is carried out, and the test of the inter-board bus plug-in is completed. Therefore, the method can realize the electrification detection of the bus plug-in units between the boards, has accurate detection, does not need manual intervention, and simplifies the detection program.
Claims (1)
1. An inter-board bus plug-in test method is characterized by comprising the following steps:
acquiring a voltage value of a power-on power supply of the inter-board bus plug-in;
if the voltage value of the power-on power supply is smaller than a first preset voltage value, sending a power-on command to the inter-board bus plug-in;
acquiring power consumption values of a plurality of primary power supply loops of inter-board bus plug-ins;
determining the working state of each primary power supply loop according to the power consumption value of each primary power supply loop;
if all primary power supply loops work normally, acquiring voltage values of a plurality of secondary power supplies of the inter-board bus plug-in units;
determining the working state of each secondary power supply loop according to the voltage value of each secondary power supply;
if all secondary power supply loops work normally, acquiring the open-out voltage of an open-in circuit or the open-in voltage of an open-out circuit of the inter-board bus plug-in;
determining the working state of an open circuit or an open circuit of the inter-board bus plug-in according to the open voltage or the open voltage;
wherein, the step of determining the working state of each primary power supply loop according to the power consumption value of each primary power supply loop comprises:
if the power consumption value of the primary power supply loop is smaller than a preset power consumption value, determining that the primary power supply loop works normally;
if the power consumption value of the primary power supply loop is larger than or equal to the preset power consumption value, determining that the primary power supply loop works abnormally;
the step of determining the working state of each secondary power supply loop according to the voltage value of each secondary power supply comprises the following steps;
if the voltage value of the secondary power supply is smaller than a second preset voltage value, determining that the secondary power supply loop works normally;
if the voltage value of the secondary power supply is greater than or equal to the second preset voltage value, determining that the secondary power supply loop works abnormally;
the step of determining the working state of the open circuit or the open circuit of the inter-board bus plug-in according to the open voltage or the open voltage comprises the following steps:
if the open voltage is smaller than a third preset voltage value, determining that the open circuit works normally;
if the open-out voltage is greater than or equal to a third preset voltage value, determining that the open-out circuit works abnormally;
if the switching-on voltage is smaller than a fourth preset voltage value, determining that the switching-on/off circuit works normally;
and if the switching-on voltage is greater than or equal to a fourth preset voltage value, determining that the switching-on circuit works abnormally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710386471.4A CN107179471B (en) | 2017-05-26 | 2017-05-26 | Inter-board bus plug-in testing method |
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| CN201710386471.4A CN107179471B (en) | 2017-05-26 | 2017-05-26 | Inter-board bus plug-in testing method |
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| CN107179471A CN107179471A (en) | 2017-09-19 |
| CN107179471B true CN107179471B (en) | 2020-06-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4878912B2 (en) * | 2006-05-24 | 2012-02-15 | 中国電力株式会社 | Equipment protection system in case of bus ground fault |
| CN102393484A (en) * | 2011-08-31 | 2012-03-28 | 华东光电集成器件研究所 | Device for detecting stability of current |
| JP5726047B2 (en) * | 2011-11-11 | 2015-05-27 | 三菱電機株式会社 | Operation test apparatus and operation test method for high-voltage system protection equipment |
| CN202443081U (en) * | 2012-02-23 | 2012-09-19 | 国电南瑞科技股份有限公司 | Self-adaptive burn testing device with monitoring function for input/output plug-in boards |
| CN102593784B (en) * | 2012-03-05 | 2014-12-31 | 北京四方继保自动化股份有限公司 | Distributed power supply system of relay protection device |
| CN202903915U (en) * | 2012-09-29 | 2013-04-24 | 南京南瑞继保电气有限公司 | Intelligent testing instrument of switching value plug-ins |
| CN104330744A (en) * | 2014-09-19 | 2015-02-04 | 国家电网公司 | Power supply detector for detecting power supply plug-in of microcomputer protective device |
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