CN111289893A - Relay auxiliary test platform and method - Google Patents
Relay auxiliary test platform and method Download PDFInfo
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- CN111289893A CN111289893A CN202010294265.2A CN202010294265A CN111289893A CN 111289893 A CN111289893 A CN 111289893A CN 202010294265 A CN202010294265 A CN 202010294265A CN 111289893 A CN111289893 A CN 111289893A
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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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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Abstract
The invention relates to a relay auxiliary test platform and a method, which are provided with an information input and output module, an information detection module, a resistance measurement module, a data storage module, an information retrieval module and a data export module. The resistance value data of the relay detected by the Holland Morse-Schmidt relay portable test box is automatically recorded and stored through the platform, and can also be selectively exported. The auxiliary test platform and the auxiliary test method for the relay obviously improve the detection efficiency and the data accuracy of the portable test box for the Holland Morse-Schmidt relay on the relay.
Description
Technical Field
The invention relates to a relay auxiliary test platform and a method.
Background
The relay realizes circuit control mainly through the closing and the opening of a contact, is important production equipment in the subway communication signal industry, and has wide application in control circuits of urban rail transit vehicles. The signal transmission and logic control of the metro vehicle are mostly realized by a relay, and the control of the door state, the air braking state, the pantograph control, the driver station activation, the traction control and the like is realized by the relay. The relay plays an important role in a control circuit, and the reliability of the relay directly influences the reliability and safety of a subway signal system.
In order to further improve the reliability and the safety of the relay, a Dutch Moss-Schmidt relay portable testing box is developed in the field of subway communication and used for carrying out parameter testing on the Dutch Moss-Schmidt relay, and the testing box is small in size, light in weight, convenient to carry and suitable for testing the Dutch Moss-Schmidt relay of a full network.
The Holland Morse-Schmidt relay portable test box is mainly used for measuring a front resistance value when the Holland Morse-Schmidt relay is attracted, a rear resistance value when the Holland Morse-Schmidt relay is released and a coil resistance value. The resistance value is a direct parameter for judging whether the relay is well contacted, the contact point resistance (comprising a front resistance value and a rear resistance value) and the coil resistance are important indexes for normal work of the relay, the resistance value (comprising the contact point resistance and the coil resistance) of the relay is accurately measured, the important significance is achieved for the subway signal industry, the maintenance level and efficiency of one-line production equipment can be improved, and meanwhile potential safety hazards can be fundamentally eradicated.
The detection process of the Holland Morse-Schmidt relay portable test box can be simply decomposed into six steps: installation, stabilizing data, handover detection, logging data, copying data, checking data, etc. In the detection process of the field investigation and research test box, the average time length of testing one relay is calculated to be 18 minutes by timing and weighting average statistics of each step, the average value of data accuracy rate is 96.8% by statistics, but the average time length of testing one relay is not more than 8 minutes by actual requirements, and the accuracy rate can reach 100%. Obviously, the portable test box for the Holland Morse-Schmidt relay has low detection efficiency and time consumption for the relay, and the data accuracy rate can not meet the requirement.
Disclosure of Invention
In order to improve the detection efficiency and the data accuracy of the Holland Morse-Schmidt relay portable test box, the invention provides a relay auxiliary test platform and a method based on the Holland Morse-Schmidt relay portable test box.
One technical scheme of the invention is to provide an auxiliary test method for a relay, which comprises the following processes:
and 6, on a display interface of the relay auxiliary test platform, retrieving the corresponding relay through the relay retrieval information, displaying the detailed information of the corresponding relay, and deriving the resistance value data of the corresponding relay.
Preferably, the basic information of the relay in step 2 includes a serial number of the relay, and serial numbers corresponding to a line, a station, a voltmeter, and a resistance meter to which the relay belongs.
Preferably, in step 2, when it is detected that the basic information of the relay input by the user is incomplete, the relay auxiliary test platform prompts the user to supplement the basic information of the relay through a pop-up box of the display interface.
Preferably, in step 3, when the relay to be tested is engaged, measuring and recording the pre-resistance value of each contact point on the resistance value gear of each contact point; and when the relay to be tested is released, measuring and recording the post resistance value of each contact point on the resistance value gear of each contact point.
Preferably, the relay auxiliary test method can also perform coil resistance detection in step 4 first, and then perform contact point resistance detection in step 3.
Preferably, the retrieval information for retrieving the relay in step 6 includes one or more items of measurement time, relay number, belonging line and belonging station;
the detailed information of the relay comprises the serial number of the relay, the circuit to which the relay belongs, the station to which the relay belongs, the serial number, the model, the manufacturer, the release voltage value, the pull-in voltage value, the pre-resistance value, the post-resistance value, the coil resistance value and the measuring time of the relay.
The invention also provides a relay auxiliary test platform, which is suitable for any relay auxiliary test method realized based on the relay auxiliary test platform; the relay auxiliary test platform comprises:
the information input and output module is used for inputting basic information or measuring time of the relay; the information input and output module comprises a display interface, displays the relay resistance value data measured by the resistance measuring module through the display interface, and sends a storage instruction to the data storage module for storage; or displaying the detailed information of the relay in the information inquiry process;
the resistance measuring module comprises a contact point resistance measuring module and a coil resistance measuring module; the contact point resistance measurement module is used for measuring the front resistance value of each contact point when the relay to be measured is absorbed and the rear resistance value of each contact point when the relay to be measured is released; the coil resistance measuring module is used for measuring the resistance value of the coil;
the data storage module is used for storing detailed information of the relay; according to the storage instruction sent by the information input and output module, the data storage module stores the relay resistance value data measured by the resistance measurement module into the detailed information of the corresponding relay;
and the information retrieval module extracts the detailed information of the corresponding relay from the data storage module through the relay retrieval information input by the display interface and displays the detailed information of the corresponding relay through the display interface.
Preferably, the relay auxiliary test platform further comprises an information detection module, and the integrity of the input relay basic information is checked through the information detection module;
when the basic information of the relay input by a user is complete, the relay auxiliary test platform detects the relay to be tested through the resistance measurement module;
when the basic information of the relay input by the user is incomplete, the relay auxiliary test platform returns information to the input and output module, and prompts the user to supplement the basic information of the relay through a display interface pop-up frame.
Preferably, the relay auxiliary test platform further comprises a data export module, and the export instruction is sent to the data export module through the display interface to export the relay resistance value data.
Preferably, the relay resistance value data includes a pre-resistance value, a post-resistance value, and a coil resistance value of each contact.
The auxiliary test platform and the auxiliary test method for the relay can automatically record and store the relay resistance value data detected by the portable Dutch Moss-Schmidt relay test box and can selectively derive the data, so that the detection efficiency and the data accuracy of the portable Dutch Moss-Schmidt relay test box are obviously improved.
Drawings
FIG. 1 shows a structure of a relay auxiliary test platform;
fig. 2 is a flow chart of the relay auxiliary test platform.
Detailed Description
The present invention will be further described by the detailed description of preferred embodiments with reference to the accompanying drawings.
As shown in fig. 1, the relay auxiliary test platform of the present invention includes: the device comprises an information input/output module 1, an information detection module 2, a resistance measurement module 3, a data storage module 4, an information retrieval module 5 and a data export module 6.
The information input/output module 1 includes a display interface. In the process that the relay auxiliary test platform assists the Holland Moss-Schmidt relay portable test box to measure the resistance value (including contact point resistance and coil resistance) of the relay, firstly, basic information of the relay to be tested is input through the information input and output module 1, the input basic information is detected by the information detection module 2, if the input basic information is detected to be incomplete, the information input and output module 1 is returned, and a display interface pops up a dialog box to prompt a user to supplement and perfect the basic information of the relay to be tested; if the input basic information is detected to be complete, the resistance value of the relay is tested by the resistance measuring module 3.
The resistance measuring module 3 comprises a contact point resistance measuring module and a coil resistance measuring module; the contact point resistance measuring module is used for measuring the front resistance value of each contact point when the relay to be measured is sucked and the rear resistance value of each contact point when the electric appliance is sucked and released; the coil resistance measuring module is used for measuring the resistance value of the coil. The resistance of the relay includes each contact point resistance and coil resistance, and the contact point resistance further includes a pre-resistance value and a post-resistance value. The resistance value of the relay obtained by the test of the resistance measuring module 3 is displayed and fed back to a user through a display interface.
The data storage module 4 is used for storing detailed information of the relay, such as a relay serial number, a belonging line, a belonging station, a serial number, a model number, a manufacturer, a release voltage value, a pull-in voltage value and the like. When the resistance measuring module 3 measures the resistance value of the relay, the user sends a storage instruction through the display interface, and the measured resistance data information is stored in the detailed information of the corresponding relay of the data storage module 4.
When the data information of the relay needs to be inquired or derived, a user inputs relay retrieval information on a display interface, the information retrieval module 5 extracts the detailed information of the corresponding relay from the data storage module 4, and the display interface displays the detailed information of the relay to the user. At this time, the user can further send a derivation instruction to the data derivation module 6 via the display interface to derive detailed information data of the relay, such as information data of a pre-resistance value, a post-resistance value, and a coil resistance value of each contact point of the relay.
The relay auxiliary test platform is suitable for a Windows operating system, and requires that the hardware of a personal computer is configured as follows: the memory is not less than 512M, and the processor is a general main flow processor, such as AMD, Intel and the like. The related users can log in the platform through the browser to execute the related operations, the platform and the related data are stored on a computer server, the server is a Windows server2008R2 Standard, the server processor is an Intel (R) Xeon (R), the frequency is 2.4GHz, and the 64-bit operating system is used.
The auxiliary relay test platform is designed based on a Holland Morse-Schmidt relay portable test box, and in order to support the execution of corresponding operations, each module of the platform can be provided with a judgment unit for executing the judgment function related to each operation; there may be an interface for data interaction with the data storage module, so as to query or acquire the relay-related data information in the corresponding operation, and write or update the relay-related data information to the data storage module, and so on.
The specific test method for measuring the resistance value of the relay by the aid of the Holland Morse-Schmidt relay portable test box under the assistance of the relay auxiliary test platform is shown in a flow chart 2.
In step 101, a relay to be tested is installed on a portable test box of a Morse-Schmidt relay in the Netherlands, and after checking whether various interfaces and various functions work normally, an auxiliary test platform of the relay is started to carry out initialization configuration and prepare for testing.
And after the auxiliary relay test platform is started, filling basic information of the relay to be tested according to the prompt of the display interface, and finishing the step 103. The basic information of the relay comprises: the number of the relay, the circuit and the station of the relay, the serial port number corresponding to the voltmeter, the serial port corresponding to the ohmmeter and the like, and the basic information of the relay can be manually input or selected through a drop-down frame.
After the basic information of the relay is recorded and selected, the completeness of the filling information is detected, in step 104, the platform detects whether the basic information of the relay 5 to be detected is completely filled, if the basic information is completely filled, the next step can be carried out, if filling missing information exists, the basic information does not pass, the next step cannot be carried out, a pop-up box on a platform display interface displays a prompt of the unfilled item, in step 102, the step 103 is returned to, and filling is continued until the detection is passed.
One of the starting step 105 contact point resistance measurement or the starting step 106 coil resistance measurement may then be selected, with no priority given to steps 105 and 106, and the starting step 105 contact point resistance measurement is generally preferred. Starting 105 the contact resistance measurement, the platform suspends the start coil resistance measurement thread, and if the coil resistance measurement is selected to be started 106 first, the platform also suspends the start contact resistance measurement thread.
Before initiating 105 the contact resistance measurement, a start contact resistance measurement gear is selected on the test box. Four contact point resistance measurement gears are arranged on the test box and respectively correspond to four contact points of the relay, the four contact point resistance measurement gears are divided according to the suction and the release of the relay, and each gear is provided with two groups of measurement values. The pull-in voltage of the Holland Morse-Schmidt relay is 5.1v direct current, the release voltage is 2.0v direct current, and when the relay is pulled in, the resistance values of the four contact points are respectively a front resistor 1(Q1), a front resistor 2(Q2), a front resistor 3(Q3) and a front resistor 4 (Q4); when the relay is released, the resistances of the four contacts are: post-resistor 1(H1), post-resistor 2(H2), post-resistor 3(H3), post-resistor 4 (H4).
In step 107, adjusting the voltage gear of the test box to enable the voltage value to reach 5.1v of pull-in voltage, pulling in the relay, sequentially selecting resistance value gears of four contact points, namely a front resistor 1(Q1) gear, a front resistor 2(Q2) gear, a front resistor 3(Q3) gear and a front resistor 4(Q4) gear, sequentially measuring the value of each front resistor gear during pull-in, namely measuring the front resistor during pull-in of the relay, then executing step 109, and selectively recording the value of each gear during pull-in of the relay (namely measuring the front resistor during pull-in of the relay) when each gear is measured.
In step 108, adjusting the voltage gear of the test box to enable the voltage value to reach release voltage 2.0v, releasing the relay, sequentially selecting resistance value gears of four contact points, namely a rear resistor 1(H1) gear, a rear resistor 2(H2) gear, a rear resistor 3(H3) gear and a rear resistor 4(H4) gear, sequentially measuring the values of the rear resistor gears during release, namely measuring the rear resistor during release of the relay, and then executing step 110, and selectively recording the values of the gear positions released by the relay (namely measuring the rear resistor during release of the relay) when the measurement of each gear position is finished.
And step 111, displaying the measured front resistance value and the measured rear resistance value on a display interface in real time. Specifically, when the pre-resistance during relay attraction is measured in step 107, the gear resistance values of four contact points are sequentially displayed: the shift resistance value of the front resistor 1(Q1), the shift resistance value of the front resistor 2(Q2), the shift resistance value of the front resistor 3(Q3) and the shift resistance value of the front resistor 4 (Q4); when the step 108 is used for measuring the rear resistance when the relay is released, the gear resistance values of four contact points are sequentially displayed: the shift resistance value of the rear resistor 1(H1), the shift resistance value of the rear resistor 2(H2), the shift resistance value of the rear resistor 3(H3) and the shift resistance value of the rear resistor 4 (H4).
The contact resistance measurement range switch is closed and the coil resistance measurement range switch is opened, initiating coil resistance measurement in step 106. Similarly, step 111 displays the measured resistance value of the coil on a display interface in real time.
In summary, the relay resistance value data obtained by the auxiliary test platform of the relay to assist the portable test box of the Holland Morse-Schmidt relay to measure includes 4 items (Q1, Q2, Q3 and Q4) of the pre-resistance value of the relay during the suction in step 107; measuring the rear resistance value of 4 items (H1, H2, H3 and H4) when the relay is released in the step 108; and the coil resistance value in step 106.
The relay auxiliary test platform can perform step 112 storage operation and step 113 detailed information retrieval query operation on relay resistance value data measured at different time periods, specifically, the measured resistance value data is stored in the detailed information data of the corresponding relay in step 112, and step 113 retrieves and queries the relay detailed information data through the relay retrieval information, such as the measurement time, the line, the station and the number. The detailed information of the relay includes a serial number of the relay, a line to which the relay belongs, a station to which the relay belongs, a product number, a model, a manufacturer, a release voltage value of the relay, a pull-in voltage value of the relay, a pre-resistance value when the relay is pulled in measured in step 107, a post-resistance value when the relay is released measured in step 108, a coil resistance value measured in step 106, a measurement time, and the like. Step 114 is executed, and the measured relay resistance value data can be exported in batch by selecting a required document format.
The portable test box of the Dutch Morse-Schmidt relay is assisted by the auxiliary test platform of the relay to carry out testing, the resistance value data of the relay obtained by detection is automatically recorded and stored and can be selectively exported, and the detection efficiency of the test box is obviously improved. The testing process of the testing box is subjected to timing weighted average statistical display, after the platform and the method are adopted, the average testing time of each relay can be reduced to be less than 8 minutes, the data error rate is 0, and errors caused by manually recording transcription are effectively avoided.
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. A relay auxiliary test method realized based on a relay auxiliary test platform is characterized by comprising the following processes:
step 1, a relay to be tested is arranged on a portable test box of a Holland Morse-Schmidt relay, and an auxiliary test platform of the relay is started to carry out initialization configuration;
step 2, after the relay auxiliary test platform is started, inputting basic information of the relay according to the prompt of a display interface, and detecting the integrity of the input information;
step 3, adjusting the voltage gear of the test box to pull or release the relay to be tested, then opening the contact point resistance measurement gear switch, selecting the resistance value gear of each contact point, measuring the front resistance value or the rear resistance value of each contact point and recording the resistance value;
step 4, closing the contact point resistance measurement gear switch, opening the coil resistance measurement gear switch, and measuring and recording the resistance value of the coil;
step 5, displaying and storing the pre-resistance value, the post-resistance value and the coil resistance value of each contact point in real time through a display interface of the relay auxiliary test platform;
and 6, on a display interface of the relay auxiliary test platform, retrieving the corresponding relay through the relay retrieval information, displaying the detailed information of the corresponding relay, and deriving the resistance value data of the corresponding relay.
2. The auxiliary relay test method according to claim 1, wherein the basic relay information in step 2 includes a relay number, and a serial port number corresponding to a line to which the relay belongs, a station to which the relay belongs, a voltmeter, and a serial port number corresponding to a resistance meter.
3. The relay auxiliary test method as claimed in claim 1, wherein in step 2, when it is detected that the relay basic information input by the user is incomplete, the relay auxiliary test platform prompts the user to supplement the relay basic information through a pop-up box of the display interface.
4. The auxiliary relay test method according to claim 1, wherein in step 3, when the relay to be tested is engaged, the pre-resistance value of each contact point is measured and recorded at the resistance value position of each contact point; and when the relay to be tested is released, measuring and recording the post resistance value of each contact point on the resistance value gear of each contact point.
5. The method for auxiliary testing of a relay according to claim 1, wherein the coil resistance value detection in step 4 can be performed first, and then the contact point resistance value detection in step 3 can be performed.
6. The auxiliary relay test method according to claim 1, wherein the retrieval information for retrieving the relay in step 6 includes one or more of a measurement time, a relay number, a line to which the relay belongs, and a station to which the relay belongs;
the detailed information of the relay comprises the serial number of the relay, the circuit to which the relay belongs, the station to which the relay belongs, the serial number, the model, the manufacturer, the release voltage value, the pull-in voltage value, the pre-resistance value, the post-resistance value, the coil resistance value and the measuring time of the relay.
7. A relay auxiliary test platform is suitable for the relay auxiliary test method realized based on the relay auxiliary test platform in any one of claims 1 to 6, and is characterized by comprising the following steps:
the information input and output module is used for inputting basic information or measuring time of the relay; the information input and output module comprises a display interface, displays the relay resistance value data measured by the resistance measuring module through the display interface, and sends a storage instruction to the data storage module for storage; or displaying the detailed information of the relay in the information inquiry process;
the resistance measuring module comprises a contact point resistance measuring module and a coil resistance measuring module; the contact point resistance measurement module is used for measuring the front resistance value of each contact point when the relay to be measured is absorbed and the rear resistance value of each contact point when the relay to be measured is released; the coil resistance measuring module is used for measuring the resistance value of the coil;
the data storage module is used for storing detailed information of the relay; according to the storage instruction sent by the information input and output module, the data storage module stores the relay resistance value data measured by the resistance measurement module into the detailed information of the corresponding relay;
and the information retrieval module extracts the detailed information of the corresponding relay from the data storage module through the relay retrieval information input by the display interface and displays the detailed information of the corresponding relay through the display interface.
8. The relay assistant testing platform of claim 7, further comprising an information detection module, wherein the integrity of the inputted basic information of the relay is checked through the information detection module;
when the basic information of the relay input by a user is complete, the relay auxiliary test platform detects the relay to be tested through the resistance measurement module;
when the basic information of the relay input by the user is incomplete, the relay auxiliary test platform returns information to the input and output module, and prompts the user to supplement the basic information of the relay through a display interface pop-up frame.
9. The relay assistant testing platform as claimed in claim 7, further comprising a data export module, wherein the export module sends export instructions to the data export module through the display interface to export the relay resistance value data.
10. The relay-aided test platform of claim 7, wherein the relay resistance data comprises a pre-resistance value, a post-resistance value, and a coil resistance value of each contact.
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| CN112967673A (en) * | 2021-03-29 | 2021-06-15 | 厦门强力巨彩光电科技有限公司 | Method for adjusting brightness consistency of display screen |
| CN114115201A (en) * | 2021-11-29 | 2022-03-01 | 上海地铁维护保障有限公司 | Vehicle-mounted controller static test method and system |
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Application publication date: 20200616 |