CN217305361U

CN217305361U - Periodic power on/off test device

Info

Publication number: CN217305361U
Application number: CN202220573672.1U
Authority: CN
Inventors: 秦涛; 赵俊; 张恒
Original assignee: Nanjing Metrol Operation Co ltd
Current assignee: Nanjing Metrol Operation Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-08-26
Anticipated expiration: 2032-03-16

Abstract

The utility model discloses a periodic power on/off test device, including control module, display module, detection module, instruction module, circuit on/off module and power module, control module includes PLC, the display module includes the touch-sensitive screen, detection module includes the current detector, circuit on/off module includes power relay and circuit breaker, pass through communication module electric connection between PLC and the touch-sensitive screen, power module and PLC electric connection, PLC respectively with circuit breaker and power relay electric connection, power relay and circuit breaker electric connection; the utility model discloses mainly be through the cooperation of PLC, current detector, touch-sensitive screen, indicating module, power module and circuit break-make module, can discover that some exist the electrical equipment of intermittent type nature trouble, filled the test blank of electron plate intermittent type nature trouble for the installation and debugging becomes very convenient with the maintenance, thereby has ensured the normal operating at indisputable.

Description

Periodic power on/off test device

Technical Field

The utility model relates to an electron check out test set technical field specifically is a cycle break-make electricity testing arrangement.

Background

In subway operation, the failure rate of an emergency inverter in a vehicle electrical system is high due to the reasons of overlong running years of vehicles, aging of electrical equipment and the like. Some emergency inverters have unobvious failure phenomena, are good and bad at times, can normally run after being detached from a train and electrified for detection, and are difficult to reproduce failures of repair, but the failures occur soon after being re-loaded and used.

However, in order to solve the problems that some electronic products have unobvious faults, are good in time and bad in time, can normally operate after being electrified and are difficult to reproduce the faults of repair, but intermittent hidden dangers of faults occur soon after the electronic products are reused, an effective method for detecting the faults of the intermittent electrical appliances by detecting the emergency inverter is urgently lacked, and therefore a periodic power on/off testing device needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a periodic break-make testing arrangement, cooperation through PLC, current detector, touch-sensitive screen, indication module, power module and circuit break-make module can discover some electrical equipment that have intermittent type nature trouble to ensured the normal operating at indisputable, with the problem that provides in solving the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a periodic power on/off testing arrangement, includes control module, display module, detection module, indicating module, circuit break-make module and power module, control module includes PLC, display module includes the touch-sensitive screen, detection module includes current detector, circuit break-make module includes power relay and circuit breaker, through communication module electric connection between PLC and the touch-sensitive screen, power module and PLC electric connection, PLC respectively with circuit breaker and power relay electric connection, power relay and circuit breaker electric connection, power relay and indicating module electric connection, indicating module and current detector electric connection.

Preferably, the indicating module comprises an LED lamp, and the LED lamp is connected in series with the current detector and the emergency inverter to be detected.

Preferably, the communication module comprises an RS232 option board and forty transmission serial ports, twenty-four of the transmission serial ports are input serial ports of the PLC, sixteen of the transmission serial ports are output serial ports of the power relay, and the maximum communication distance of the option board is 15 m.

Preferably, the power supply module comprises a switching power supply, the voltage of the switching power supply is set to be DC24V, and the switching power supply is electrically connected with the current detector.

Preferably, the current detector is arranged as a current transformer in a series measurement mode, the action current of the current detector is set to be DC20mA, and the current detection range of the current detector is set to be 15-25 mA.

Preferably, the power relay is provided as an insertion terminal type relay, and the voltage of the power relay is set to DC 24V.

Preferably, install the start button on the touch-sensitive screen, the lateral wall of touch-sensitive screen is installed and is transmitted the corresponding connection interface of serial ports, the internally mounted of touch-sensitive screen has the alarm, alarm and start button all with PLC electric connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses mainly through the cooperation of PLC, current detector, touch-sensitive screen, indicating module, power module and circuit break-make module, can discover that some exist the electrical equipment of intermittent type nature trouble, filled the test blank of electron plate intermittent type nature trouble for the installation and debugging becomes very convenient with the maintenance, thereby has ensured the normal operating at indisputable.

2. The utility model discloses mainly constitute by control module, display module, detection module, indication module, circuit break-make module and power module, can detect many trouble pieces simultaneously, reduced the trouble that detects with the car, improved maintenance efficiency.

3. The utility model discloses a real-time operation of touch-sensitive screen control, the real-time demonstration of control, succinct nimble and the pleasing to the eye generous human-computer interface of operation have fully demonstrated the feasibility of design and the referential of using.

Drawings

FIG. 1 is a block diagram of the system of the present invention;

fig. 2 is a functional block diagram of the PLC of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a periodic power on/off test device comprises a control module, a display module, a detection module, an indication module, a circuit on/off module and a power supply module, wherein the control module comprises a PLC (programmable logic controller), the PLC is set to be an ohm dragon CP1L-M40DR-D PLC, the display module comprises a touch screen, the model of the touch screen is ohm dragon NB7W-TW00B, the detection module comprises a current detector, the circuit on/off module comprises a power relay and a circuit breaker, the PLC is electrically connected with the touch screen through a communication module, the power supply module is electrically connected with the PLC, the PLC is respectively electrically connected with the circuit breaker and the power relay, the power relay is electrically connected with the circuit breaker, the model of the circuit breaker is IC65N, the power relay is used for controlling and switching on the emergency inverter test loop, and is electrically connected with the indicating module which is electrically connected with the current detector;

through the cooperation of the PLC, the current detector, the touch screen, the indicating module, the power supply module and the circuit on-off module, some electrical equipment with intermittent faults can be found, the testing blank of the intermittent faults of the electronic plate is filled, the installation, the debugging and the maintenance are convenient, and the normal operation of the iron is guaranteed; the device mainly comprises control module, display module, detection module, instruction module, circuit break-make module and power module, can detect many trouble pieces simultaneously, has reduced the trouble that the car detected, has improved maintenance efficiency.

The indicating module comprises an LED lamp, the LED lamp is connected with the current detector and the emergency inverter to be detected in series, and the LED lamp is used for displaying a state indicating lamp for indicating whether the loop is conducted or not.

The communication module comprises an RS232 option board and forty transmission serial ports, wherein the twenty-four transmission serial ports are input serial ports of the PLC, the sixteen transmission serial ports are output serial ports of the power relay, the maximum communication distance of the option board is 15m, and the option board is in a CP1W-CIF01 model of ohm dragon, so that the option board can conveniently communicate with the touch screen;

the power supply module comprises a switching power supply, the voltage of the switching power supply is set to be DC24V, the switching power supply is electrically connected with the current detector, the type of the switching power supply is S8JC-Z35024CD, and the switching power supply is used for supplying power to the PLC;

the current detector is set as a current transformer in a serial measurement mode, the action current of the current detector is set as DC20mA, the current detection range of the current detector is set as 15-25mA, the model of the current detector is SMD20mDCE-24T/F1, the current detector can accurately measure direct current under the condition of electrical isolation, and outputs a switching value driving signal when reaching rated current, so as to judge whether the loop current is normal or not, the current detector adopts the serial measurement mode, the DC20mA acts, the 15-25mA is adjustable, the input impedance is less than 10 ohms, the maximum input current is 2ADC, and the high and low level (24V/0V) is output;

the power relay is arranged into an insertion terminal type relay, the voltage of the power relay is arranged into DC24V, the model number used by the power relay is LY2N-D2, a single contact point and an insertion terminal are used, a coil surge absorption diode, a DC24V 10A (resistance load), an AC110V 10A (resistance load) and an output is 2 contacts (10A 24V);

the touch screen is provided with a starting button, the side wall of the touch screen is provided with a connecting interface corresponding to the transmission serial port, an alarm is arranged inside the touch screen, the alarm and the starting button are electrically connected with the PLC, after the starting button is clicked on the touch screen, the PLC starts to control a corresponding relay to be periodically switched on and off, an emergency inverter to be tested, a current detector, an LED indicator lamp and the like are connected in series, when the current transformer detects that loop current is abnormal, a high level is output to the PLC, the PlC outputs an alarm signal to the touch screen after being processed, real-time operation is controlled through the touch screen, real-time display of monitoring is realized, the operation is simple and flexible, and a man-machine interface which is beautiful and elegant is realized, and the feasibility of design and the referential performance of application are fully displayed;

touch screen (touch screen) is also called as touch screen and touch panel, the touch screen is a novel digital system input device, people can visually and conveniently perform human-computer interaction by using the touch screen, the touch screen can be used for not only operating the PLC on the touch screen, but also monitoring the working state of the PLC in real time on the touch screen, and corresponding operation and monitoring pictures must be made for the touch screen when the touch screen is used for controlling and monitoring the PLC.

As shown in fig. 2, when the PLC programs the power-on/off time and the cycle number, the PLC powers on to SET w0.00, SETs 100.00 through w0.00 (controls relay), and simultaneously triggers the TIM timer (the 2 nd control word of TIM is the SET time, the unit is 0.1S), and the TIM and RSET are turned on/off, this program is cyclic, the power-on and power-off time in one cycle can be changed by modifying the control word in the TIM timer, if the power-on is to be implemented for 2 minutes, the power-off is to be 1 minute, only the parameters after # in TIM0 and TIM1 need to be changed to #1200 and #600, respectively, the cycle number is in D100, the SET cycle value is a "═ command, which is a comparison command, and indicates that the value after # is compared with the value in D100, when the value in D100 reaches the value after #, the SET value is output to be executed, if the SET value is 2 times, that is, a two-cycle periodic power-on and power-off test is performed, and the number of times required is several, which can change the parameter after # to the required number of times.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a periodic power on-off testing arrangement, includes control module, display module, detection module, indicating module, circuit on-off module and power module, its characterized in that: the control module comprises a PLC, the display module comprises a touch screen, the detection module comprises a current detector, the circuit on-off module comprises a power relay and a circuit breaker, the PLC is electrically connected with the touch screen through a communication module, the power supply module is electrically connected with the PLC, the PLC is respectively electrically connected with the circuit breaker and the power relay, the power relay is electrically connected with the circuit breaker, the power relay is electrically connected with the indication module, and the indication module is electrically connected with the current detector.

2. A periodic power-on and power-off test apparatus as claimed in claim 1, wherein: the indicating module comprises an LED lamp, and the LED lamp is connected with the current detector and the emergency inverter to be detected in series.

3. A periodic power-on and power-off test apparatus as claimed in claim 2, wherein: the communication module comprises an RS232 option board and forty transmission serial ports, the twenty-four transmission serial ports are input serial ports of the PLC, the sixteen transmission serial ports are output serial ports of the power relay, and the maximum communication distance of the option board is 15 m.

4. A cyclic power-on and power-off test set as claimed in claim 3, wherein: the power supply module comprises a switching power supply, the voltage of the switching power supply is set to be DC24V, and the switching power supply is electrically connected with the current detector.

5. A periodic power-on and power-off test apparatus as claimed in claim 4, wherein: the current detector is arranged as a current transformer connected in series in a measuring mode, the action current of the current detector is set to be DC20mA, and the current detection range of the current detector is set to be 15-25 mA.

6. A periodic power-on and power-off test apparatus as claimed in claim 5, wherein: the power relay is set to be an insertion end type relay, and the voltage of the power relay is set to be DC 24V.

7. A periodic power-on and power-off test apparatus as claimed in claim 6, wherein: install the start button on the touch-sensitive screen, the lateral wall of touch-sensitive screen is installed and is transmitted the corresponding connection interface of serial ports, the internally mounted of touch-sensitive screen has the alarm, alarm and start button all with PLC electric connection.