CN217181145U - Multifunctional relay action reliability test platform - Google Patents

Abstract

A multifunctional relay action reliability test platform is provided with a display, a server, a PLC and an outlet relay plug box. The terminal J1 of the outgoing relay plug box is connected to an outgoing module of the PLC, the PLC controls the tested relay, the terminal J2 of the outgoing relay plug box is connected to a power supply end for supplying power to the outgoing relay plug box, pins of the tested relay are sequentially connected to the terminals J3 and J4, the connection terminals J3 and J4 obtain the on-off state signals of the nodes of the tested relay, each pair of the on-off state signals of the nodes of the tested relay is connected to the incoming end distribution board and is sent to the incoming module of the PLC through the incoming end distribution board, the PLC receives the node state signals of the tested relay, the received information is compared with the outgoing instruction information, and the execution instruction condition of the tested relay is judged. The utility model discloses the action performance of a plurality of relays can be tested simultaneously, the reliability of a plurality of relays is judged.

Description

Multifunctional relay action reliability test platform

Technical Field

The utility model relates to a relay test platform specifically is a multi-functional relay action reliability test platform belongs to testing arrangement technical field.

Background

The relay plays an important role in industrial control as an important control device, the reliable performance of the relay directly influences the safe and stable operation of the system, and after some hydroelectric power station monitoring systems are transformed, signal output fails due to the fact that a normally open contact is not closed after the relay is electrified, and the risk of unit starting failure is increased.

The related patent documents: CN102455701A discloses an automatic test platform for testing a plurality of PLC test samples having CPUs, an analog or digital input and output module for testing PLC, comprising: the system comprises a programmable direct-current power supply, a universal meter and a temperature-controllable box, wherein the programmable direct-current power supply, the universal meter and the temperature-controllable box are used for providing corresponding test functions in cooperation with test requirements; the test channel selection control module is connected with an input/output channel of the PLC test sample and receives a channel setting instruction to select and control a channel of the test sample; and a computer for performing communication control. The system structure can be used for single-channel and multi-channel non-isolated PLC tests and also can be used for multi-channel isolated batch PLC tests through a programmable tool. CN210465626U discloses a relay test platform, which comprises a box body, wherein the box body is provided with a control module, a rectifying module and a plurality of test modules, the control module is used for controlling the test modules to be powered on and powered off, each test module comprises a counter, a first connecting end and a second connecting end, the first connecting end is a coil wiring of a tested relay, and the second connecting end is a counter input wiring; the utility model discloses a test relay's test module and the rectifier module integration of power supply usefulness are in the box.

The above techniques do not provide a specific guidance scheme for how to enable the relay test platform to simultaneously test the operation performance of a plurality of relays and judge the reliability of the plurality of relays.

Disclosure of Invention

An object of the utility model is to provide a multi-functional relay action reliability test platform, its action performance that can test a plurality of relays simultaneously judges the reliability of a plurality of relays.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

a multifunctional relay action reliability test platform (or a multifunctional relay action reliability test platform device) is characterized by comprising a display (human-computer interface), a server, a Programmable Logic Controller (PLC) and a switch-out relay plug box (PLC switch-out relay plug box) provided with a relay to be tested, wherein the PLC is connected with the server through a network cable, the display is connected with the server, a wiring terminal J1 of the switch-out relay plug box is connected to a switch-out module (switch-out module) of the PLC, a control instruction of the PLC to the relay to be tested is received, a wiring terminal J2 of the switch-out relay plug box is connected to a power supply end for supplying power to the switch-out relay plug box, and a wiring terminal J3, a switch-out relay plug box and a switch-out relay plug box are arranged on the PLC, and the PLC is connected with the power supply end of the switch-out relay plug box, The pins of the tested relay are connected in the outgoing relay plug box by J4, namely the pins of the tested relay are sequentially connected to the connecting terminals J3 and J4, the connecting terminals J3 and J4 obtain on-off state signals of nodes of the tested relay, each pair of node on-off state signals of the tested relay is connected to the incoming terminal matching board and sent to an incoming module (incoming module) of the programmable logic controller PLC through the incoming terminal matching board, the programmable logic controller PLC receives the node state signals of the tested relay, and the PLC compares the received information with the outgoing instruction information to judge the execution instruction condition of the tested relay. Therefore, the reliability condition and the accurate action rate condition of the tested relay are judged. The server is provided with relevant software and drivers, the states of the PLC measuring points are displayed in the software, and the monitoring can be carried out at any time through a display (a display screen).

In the above technical solution, preferably, the server is a hewlett packard server, and the NC200 software may be installed in the HP DL388P G9 server. The programmable logic controller PLC is an MB80 series programmable logic controller PLC. The above-mentioned open end terminal board is a 32-point open end terminal board (32 relays are measured simultaneously).

The utility model discloses a test platform passes through programming software, can modify the action law of relay, satisfies the action requirement of relay under the different conditions. Firstly, the action frequency of the relay can be modified, for example, the action frequency is once in 10 seconds, 32 points can be opened every 10 seconds, the power-on times of a relay coil and the attraction times of a relay contact are recorded, and whether the comparison is consistent or not is judged. And secondly, fixed test time can be set to three days, the accuracy is automatically calculated and displayed in a picture after the test is finished, specific numerical values can be easily read out, whether the contact is not closed after the relay is electrified can be directly analyzed, and the reliability of the relay is judged. At present, Zhang Taiwan energy storage power generation Limited responsibility company in Hebei has passed through this test platform test relay action number of times 50 ten thousand, and test effect is good, the utility model discloses the ability of test relay action performance has been possessed.

The utility model discloses a characteristics (innovation point) of test platform (device): 1. the test platform can test different frequencies by setting the time of the counter, and records the times of electricity getting of the coil of the relay and the times of contact actuation. And can measure the reliability of 32 relays simultaneously, through experimental, compare with prior art, the utility model discloses test relay work efficiency has improved more than 30%. 2. The test platform can test whether the sensor signals of various access monitoring systems are normal. 3. The test platform has the communication function, so that the expandability is strong, and the subsequent test on the communication equipment can be met.

The utility model discloses a test platform can pass through the reliable action number of times of host computer record test relay under a plurality of different frequencies, has popularization and application meaning; meanwhile, the test platform has strong expandability, and the test of the analog quantity sensor can be realized by configuring the analog board card; the communication test between different devices can be realized through the configured communication board card; therefore, the test platform has wide application range and great popularization value.

To sum up, the utility model provides a multi-functional relay action reliability test platform, its action performance that can test a plurality of relays simultaneously judges the reliability of a plurality of relays.

Drawings

Fig. 1 is an electrical schematic diagram of the present invention.

Fig. 2 is the utility model discloses well 32 way relay plug-in box wiring subgraphs of opening.

Fig. 3 is an electrical schematic diagram of the relay box of the 32-way switch of the present invention.

Fig. 4 is an external wiring diagram of the relay box of the present invention with 32-way opening.

Fig. 5 is a schematic diagram of the 32-way open-end board and the open-end module according to the present invention, fig. 5 (a) is an electrical schematic diagram of the 32-way open-end board, and fig. 5 (b) is a schematic diagram of the open-end module.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments. Embodiment 1 does the utility model discloses a mounting structure of reserve aperture encoder among fixed hoist headstock gear. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.

Example 1: as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, the multifunctional relay action reliability test platform of the present invention has a display (man-machine interface) 1, a server 2, a MB80 series programmable logic controller PLC3, and a test relay socket (PLC socket) 4. The programmable logic controller PLC3 is connected with the server 2 through a network cable, and the display 1 is connected with the server 2. The server 2 is a Hewlett packard server, and can adopt an HP DL388P G9 server to install NC200 software. Taking 32 relays for testing as an example, the relays to be tested are respectively installed in an open relay box 4, a connecting terminal J1 of the open relay box 4 is connected to an open module (open module) of a programmable logic controller PLC3, a control instruction of the programmable logic controller PLC to the relays to be tested is received, a connecting terminal J2 of the open relay box 4 is connected to a power supply terminal for supplying power to the open relay box, connecting terminals J3 and J4 of the open relay box 4 are connected with pins of the relays to be tested in the open relay box 4, namely the pins of the relays to be tested are sequentially connected to connecting terminals J3 and J4, the connecting terminals J3 and J4 obtain opening and closing state signals of the nodes of the relays to be tested, each pair of the opening and closing state signals of the nodes of the relays to be tested are connected to a 32-point open and close terminal assembly board 301, and are sent to the open and close terminal assembly board 301 to the open and close module (open and close module) of the programmable logic controller PLC3 through the open and close terminal assembly board 301, and the programmable logic controller PLC3 receives the node state signal of the relay to be tested, and the programmable logic controller PLC3 compares the received information with the output instruction information to judge the execution instruction condition of the relay to be tested. Therefore, the reliability condition and the accurate action rate condition of the tested relay are judged. The server is provided with relevant software and drivers, the states of the PLC measuring points are displayed in the software, and the monitoring can be carried out at any time through a display (a display screen).

The utility model discloses a MB80 series programmable logic controller PLC, it belongs to the main control CPU module of the programmable high performance of MB80 intelligence, has powerful data processing ability, operational capability and communication throughput, has satisfied the many characteristics of power station data volume. Hardware configuration, measuring point definition, software programming and related debugging work are completed through programming software, and the execution condition of a program can be monitored in real time, so that the method is very intuitive and clear at a glance. Meanwhile, the switching value output module is of a fully-closed metal structure, so that the requirements of dust prevention, shock resistance, electromagnetic compatibility and the like are met, the influence of interference signals on data acquisition is well avoided, and the stable operation of the system under a severe industrial field environment is ensured. The utility model discloses dispose the hewlett packard server of an installation NC200 software, communicate with programmable logic controller PLC through the net twine, the powerful configuration instrument of function designs relay test picture in software, the picture contains the relay and gets electric number of times statistics, every contact action number of times statistics, contents such as contact action demonstration, through the contact between the number of times contrast of action, the number of times of getting electric compares with contact action number of times, obtain the relay action condition, contact actuation condition etc. provide practical convenient application interface to test relay reliability.

Through programming software, the action rule of the relay can be modified, and the action requirements of the relay under different conditions are met. Firstly, the action frequency of the relay can be modified, for example, the action frequency is once in 10 seconds, 32 points can be opened every 10 seconds, the power-on times of a relay coil and the attraction times of a relay contact are recorded, and whether the comparison is consistent or not is judged. And secondly, fixed test time can be set to three days, the accuracy is automatically calculated after the test is finished and displayed in a picture, specific numerical values can be easily read out, whether the situation that the contact is not closed after the relay is electrified can be directly analyzed, and the reliability of the relay is judged. At present, 50 ten thousand times of relay action times are tested through the test platform, and the test effect is good, the utility model discloses the ability of test relay action performance has been possessed. The test platform can test different frequencies by setting the time of the counter, and records the times of electricity getting of the coil of the relay and the times of contact actuation. And the reliability of 32 relays can be measured simultaneously. The test platform can test whether the sensor signals of various access monitoring systems are normal. The test platform has the communication function, so that the expandability is strong, and the subsequent test on the communication equipment can be met.

The test platform can record the reliable action times of the tested relay under a plurality of different frequencies through the upper computer, and has popularization and application significance; meanwhile, the test platform has strong expandability, and the test of the analog quantity sensor can be realized by configuring the analog board card; the communication test between different devices can be realized through the configured communication board card; therefore, the test platform has wide application range and great popularization value.

To sum up, the above embodiments of the utility model provide a multi-functional relay action reliability test platform, its action performance that can test a plurality of relays simultaneously judges the reliability of a plurality of relays.

Claims (4)

1. A multifunctional relay action reliability test platform is characterized by comprising a display (1), a server (2), a Programmable Logic Controller (PLC) (3) and a development relay plug box (4) provided with a tested relay, wherein the programmable logic controller (PLC (3) is connected with the server (2) through a network cable, the display (1) is connected with the server (2), a wiring terminal J1 of the development relay plug box (4) is connected to a development module of the Programmable Logic Controller (PLC) (3) to receive a control instruction of the Programmable Logic Controller (PLC) to the tested relay, a wiring terminal J2 of the development relay plug box (4) is connected to a power supply end for supplying power to the development relay plug box, and wiring terminals J3 and J4 of the development relay plug box (4) are connected with pins of the tested relay in the development relay plug box (4), pins of the relay to be tested are sequentially connected to the connecting terminals J3 and J4, the connecting terminals J3 and J4 obtain on-off state signals of the nodes of the relay to be tested, each pair of node on-off state signals of the relay to be tested are connected to the on-off terminal matching board (301), the signals are sent to an on-off module of the programmable logic controller PLC (3) through the on-off terminal matching board (301), the programmable logic controller PLC (3) receives the node state signals of the relay to be tested, the received information is compared with the output instruction information by the programmable logic controller PLC (3), and the execution instruction condition of the relay to be tested is judged.

2. The multifunctional relay operation reliability test platform of claim 1, wherein the server (2) is a Hewlett packard server, and an HP DL388P G9 server is adopted.

3. The multifunctional relay action reliability test platform according to claim 1, characterized in that the programmable logic controller PLC (3) is an MB80 series programmable logic controller PLC.

4. The multifunctional relay operation reliability test platform of claim 1, wherein the open end terminal board (301) is a 32-point open end terminal board.

Images