CN214585871U - Novel relay test device - Google Patents
Novel relay test device Download PDFInfo
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- CN214585871U CN214585871U CN202023319619.9U CN202023319619U CN214585871U CN 214585871 U CN214585871 U CN 214585871U CN 202023319619 U CN202023319619 U CN 202023319619U CN 214585871 U CN214585871 U CN 214585871U
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Abstract
The utility model discloses a novel relay test device, which belongs to the technical field of test equipment and solves the problems that the effect of a relay test tool in the prior art is not ideal, the test efficiency is not high, the data recording is easy to make mistakes, and the data is inconvenient to search and analyze by overhauling and recording, comprising a relay plug panel, an industrial personal computer, a PLC control module, a relay plug panel, a test circuit switching unit, a resistance acquisition module, a voltage and current acquisition module and a program-controlled power supply, wherein the industrial personal computer is respectively connected with the PLC control module, the program-controlled power supply, the resistance acquisition module, the voltage and current acquisition module and an environment acquisition module, the PLC control module is connected with the test circuit switching unit, the test circuit switching unit is respectively connected with the resistance acquisition module, the program-controlled power supply, the voltage and current acquisition module and the relay plug panel, and aims to improve the test efficiency, the test data is automatically judged, input and stored into a report mode and a database mode, and later-stage searching and analysis of the overhaul data are facilitated.
Description
Technical Field
The utility model belongs to the technical field of test equipment, concretely relates to novel relay is experimental device.
Background
In urban rail vehicle overhauls the trade, especially in subway vehicle overhauls trade, the relay test device uses extensively, and common form is: the relay test tool is composed of an insulating bottom plate, a relay seat, a control air switch and a lead, when the relay test tool is used, relays to be tested are inserted, the relays are tested one by one manually after a power supply is switched on, and test data are recorded.
However, when the common relay test tool is used for testing, only one type of relay can be tested at the same time in each test, a large amount of repeated operation (repeated plugging and unplugging of the relay, a switching power supply and the like) is generated in the test process, and misoperation is easily generated in the test process; after the test, an operator needs to record the relay test data one by one, more than 200 relay data need to be recorded in each test process, the data volume is large, and data recording errors are easy to occur; relay test data passes through paper record and archives, is not convenient for develop work such as maintenance data is traceed back or data analysis in the later stage. Therefore, the common relay test tool has the defects of poor effect, low test efficiency, easy error of data recording, inconvenience in searching and analyzing the recorded data during maintenance and the like.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a novel relay test device, its aim at: the test efficiency is improved, the test data are automatically judged, input and stored into a report mode and a database mode, and the later-stage searching and analysis of the overhaul data are facilitated.
The utility model adopts the technical scheme as follows:
the utility model provides a novel relay test device, includes relay grafting panel, industrial computer, PLC control module, relay grafting panel, test line switching unit, resistance acquisition module, voltage electric current collection module and programmable power supply, the industrial computer is connected with PLC control module, programmable power supply, resistance acquisition module, voltage electric current collection module and environment acquisition module respectively, PLC control module switches the unit connection with test circuit, test circuit switches the unit and connects the panel connection with resistance acquisition module, programmable power supply, voltage electric current collection module and relay respectively.
By adopting the technical scheme, 50 relays are installed on the relay plug-in panel at one time, basic information of the relays to be tested is manually input into the industrial personal computer, the industrial personal computer instructs the PLC control module to output according to a set flow according to test items, the plug-in panel can identify the model information of the relays to be tested, the relay action voltage is automatically completed in the whole process, the coil resistance, the contact resistance and other item tests, the test efficiency is improved, the industrial personal computer automatically judges and inputs test results, errors of manually recorded data are avoided, the test records are stored into a report mode and a database mode, a user can check and print reports, statistical analysis can be performed on the detected data according to each row or multiple rows as a unit through the database, and the maintenance data searching and maintenance data analysis are facilitated. And the relay plug panel is provided with 50 relay plug ports.
Preferably, the test circuit switching unit switches different relays to be tested to be communicated with the voltage and current acquisition module and the resistance acquisition module through software programming. By adopting the preferred technical scheme, the automatic access measuring circuit of the next relay can be realized after the test of one relay is finished.
Preferably, the environment acquisition module is a temperature and humidity sensor. By adopting the preferable technical scheme, the test results of the relay under different temperature and humidity environments can be recorded.
Preferably, the resistance acquisition module, the voltage and current acquisition module and the industrial personal computer are in communication connection through RS 485.
Preferably, the model of the PLC control module is an S7200 PLC controller.
Preferably, the resistance acquisition module is a resistance tester.
Preferably, the voltage and current acquisition module is a voltmeter or an ammeter.
Preferably, the programmable power supply comprises a 32V programmable power supply and a 150V programmable power supply.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a test system, including industrial computer, PLC control module, socket panel, test data, the once only installs 50 relays at relay grafting panel, the basic information of the relay that awaits measuring is typeeed on the industrial computer through the manual work, the industrial computer instructs PLC control module output according to the procedure that sets for according to the test project, the model information of the relay that awaits measuring of panel distinguishable is inserted, whole journey automatic completion relay action voltage, coil resistance, contact resistance, the efficiency of test has been improved, accomplish automatic judgement and typeeing of test result by the industrial computer, the artificial record data of having avoided making mistakes, and save the test record for report mode and database mode, the user can look over and print the report form, also can carry out statistical analysis according to every row or multiseriate unit to the testing data through the database, the maintenance data of being convenient for is seeked and is overhauld data analysis. And the relay plug panel is provided with 50 relay plug ports.
2. And the test circuit switching unit switches different relays to be tested to be communicated with the voltage and current acquisition module and the resistance acquisition module through software programming. By adopting the preferred technical scheme, the automatic access measuring circuit of the next relay can be realized after the test of one relay is finished.
3. The environment acquisition module is a temperature and humidity sensor. By adopting the preferable technical scheme, the test results of the relay under different temperature and humidity environments can be recorded.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a control schematic diagram of a novel relay testing device of the present invention;
FIG. 2 is a flowchart illustrating the operation of the pull-in voltage test according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of embodiments of the present application, generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The present invention will be described in detail with reference to fig. 1 to 2.
The utility model provides a novel relay test device, includes relay grafting panel, industrial computer, PLC control module, relay grafting panel, test line switching unit, resistance acquisition module, voltage electric current collection module and programmable power supply, the industrial computer is connected with PLC control module, programmable power supply, resistance acquisition module, voltage electric current collection module and environment acquisition module respectively, PLC control module switches the unit connection with test circuit, test circuit switches the unit and connects the panel connection with resistance acquisition module, programmable power supply, voltage electric current collection module and relay respectively. The device specifically still includes including computer system of observing and controling and test control circuit, computer system of observing and controling constitute by industrial computer, PLC module, LCD, printer, electric current/voltage transmitter etc. test control circuit constitute by test control loop, adjustable DC power supply, each electrical components installation mainboard, voltage regulating mutual-inductor, resistance tester, voltmeter, ampere meter etc.. When the device works, 50 relays are arranged on a relay plug panel at one time, basic information of a relay to be tested is manually input into an industrial personal computer, the industrial personal computer controls the output of a PLC module according to the model of the relay to be tested and controls a circuit switching unit according to the model selected by a user, a four-end resistance test method is adopted to complete the tests of the coil resistance and the contact resistance of the relay, the PLC module adjusts the output of a programmable power supply, the closed and the open states of the relay are collected, the tests of the action voltage and the current of the relay are completed, one relay action voltage and the control circuit switching unit are automatically completed in the whole process to switch on the test circuit of the next relay, the measurement work of all relays on the wiring panel is fully automatically completed, and after the tests of the coil resistance, the contact resistance and other items, the resistance tester, the voltmeter, the ammeter and the industrial personal computer are communicated with RS485, according to the environmental information collected by the environment collection module, the industrial personal computer finishes automatic judgment and input of test results, errors of manual recorded data are avoided, the test records are stored in a report mode and a database mode, a user can check and print the report, statistical analysis can also be performed on the detected data by taking each row or multiple rows as a unit through the database, the data statistics comprises the number of faults of relays of various models and various codes, the fault type, the fault proportion of relays of various models and various codes, the detection date and the like, an operator can quickly retrieve the number and the model of fault relays of a certain train, and can retrieve specific fault values, and overhaul data searching and overhaul data analysis are facilitated.
In this embodiment, taking the pull-in voltage test as an example, a complete test item flow is shown in fig. 2, and other test items are also similar to the test flow.
1) Controlling a circuit switching unit through a PLC control module according to the model selected by a user;
2) connecting the voltage and current test unit with the tested model relay seat circuit;
3) switching on a relay power supply circuit of the tested model;
4) the industrial personal computer sends an instruction to the programmable power supply and increases the output voltage according to a preset slope;
5) the voltage and current acquisition module synchronously tests the current and the voltage of the coil and the voltage at two ends of the contact;
6) delaying the preset time when the output of the programmable power supply reaches a preset value;
7) analyzing the collected current and voltage data, and performing data comparison analysis on a judgment result and a test result;
8) storing the judgment result and the test data into a database in an industrial personal computer
9) Disconnecting the programmable power supply;
10) and disconnecting the access of the program control line.
In this embodiment, the test circuit switching unit switches different relays to be tested to communicate with the voltage and current acquisition module and the resistance acquisition module through software programming and corresponding control switching circuits, so that after a relay test is completed, the next relay is automatically connected to the measurement circuit.
In this embodiment, the environment acquisition module is a temperature and humidity sensor. By adopting the preferable technical scheme, the test results of the relay under different temperature and humidity environments can be recorded.
In this embodiment, resistance acquisition module, voltage current acquisition module and industrial computer between be connected through RS485 communication.
In this embodiment, the PLC control module is an S7200 PLC controller.
In this embodiment, the resistance acquisition module is a resistance tester.
In this embodiment, the voltage and current collecting module is a voltmeter and an ammeter.
In this embodiment, the programmable power supply includes a 32V programmable power supply and a 150V programmable power supply.
It should be noted that the PLC automatic control principle and control circuit, etc. referred to in this application belong to the prior art, and therefore, are not specifically described in this application.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (10)
1. The utility model provides a novel relay test device, its characterized in that, includes relay grafting panel, industrial computer, PLC control module, relay grafting panel, test line switching unit, resistance collection module, voltage electric current collection module and programmable power supply, the industrial computer is connected with PLC control module, programmable power supply, resistance collection module, voltage electric current collection module and environment collection module respectively, PLC control module switches the unit connection with test circuit, test circuit switches the unit and connects the panel connection with resistance collection module, programmable power supply, voltage electric current collection module and relay respectively.
2. The novel relay test device as claimed in claim 1, wherein a total of 50 relay sockets are arranged on the relay socket panel.
3. The novel relay test device according to claim 1, wherein the model of the PLC control module is S7200 PLC controller.
4. The novel relay tester as claimed in claim 1, wherein the resistance acquisition module is a resistance tester.
5. The novel relay test device according to claim 1, wherein the voltage and current acquisition module is a voltmeter or an ammeter.
6. The novel relay test device according to claim 1, wherein the test circuit switching unit is used for switching different relays to be tested to be communicated with the voltage and current acquisition module and the resistance acquisition module.
7. The novel relay testing device according to claim 1, wherein the environment acquisition module is a temperature and humidity sensor.
8. The novel relay tester of claim 1, wherein the programmable power supply comprises 32V programmable power supply and 150V programmable power supply.
9. The novel relay test device according to claim 1, wherein the resistance acquisition module, the voltage and current acquisition module and the industrial personal computer are in communication connection through RS 485.
10. A novel relay test device as claimed in claim 1, wherein the industrial personal computer automatically judges and inputs the test result, and stores the test record as a report mode and a database mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023319619.9U CN214585871U (en) | 2020-12-31 | 2020-12-31 | Novel relay test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023319619.9U CN214585871U (en) | 2020-12-31 | 2020-12-31 | Novel relay test device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945836A (en) * | 2021-09-29 | 2022-01-18 | 龙口矿业集团有限公司 | Relay comprehensive utilization maintenance platform |
| CN114076867A (en) * | 2021-11-18 | 2022-02-22 | 中车长春轨道客车股份有限公司 | Integrated relay single-vehicle testing process method |
| CN116754936A (en) * | 2023-06-28 | 2023-09-15 | 山东卓海能源科技有限公司 | Contactless switch operation monitoring analysis system |
-
2020
- 2020-12-31 CN CN202023319619.9U patent/CN214585871U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945836A (en) * | 2021-09-29 | 2022-01-18 | 龙口矿业集团有限公司 | Relay comprehensive utilization maintenance platform |
| CN114076867A (en) * | 2021-11-18 | 2022-02-22 | 中车长春轨道客车股份有限公司 | Integrated relay single-vehicle testing process method |
| CN116754936A (en) * | 2023-06-28 | 2023-09-15 | 山东卓海能源科技有限公司 | Contactless switch operation monitoring analysis system |
| CN116754936B (en) * | 2023-06-28 | 2023-12-22 | 山东卓海能源科技有限公司 | Contactless switch operation monitoring analysis system |
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