KR0140932B1 - Products with standing voltage inspection apparatus - Google Patents

Abstract

The present invention relates to a product withstand voltage inspection device on a slat conveyor that can automatically check the withstand voltage of the electrical and electronic products flowing on the slat conveyor to perform the automatic determination and recording of the failure of the withstand voltage before assembling the product. .

The conventional withstand voltage tester takes a lot of inspection time because of the use of a stopper on a free flow conveyor, and this leads to a decrease in productivity. Since the inspection is performed by hand, there is a problem of safety accidents due to high pressure or reliability of the inspection results. Since the defective content must be recorded one by one, there is a problem such as poor workability.

The present invention includes a controller 11 and a keyboard 12 and a DIC board for input and output to and from the outside, and a controller for outputting an input lamp and a buzzer and a line stop switch output control inspection information of a detection signal to the monitor 11 ( 13) and the withstand voltage measuring instrument 14 for checking the breakdown voltage of the product, the withstand voltage meter and the relay box 15 for signal connection and control with various sensors, lamps, buzzers, line stop switches, and the presence or absence of products on pallets and pallets. Instrument using sensor 16 for detecting, lamp 17 for displaying test result, buzzer 18 for outputting test result as alarm sound signal, and line stop switch 19 for driving or stopping the conveyor drive motor. The test results are automatically judged and the inspection time is executed sequentially using the relay sequence circuit. Withstand voltage of the product on the slat conveyor without stopper To provide a device withstand voltage withstand voltage on the slat conveyor for automated and highly efficient inspection.

Description

Product withstand voltage tester on slat conveyor

1 is a configuration diagram of a withstand voltage inspection device on a conventional free flow conveyor

2 is a flowchart showing a conventional inspection process

3 is a system configuration diagram of the withstand voltage test apparatus according to the present invention

4 is a circuit diagram showing the connection between the measuring instrument, the conveyor and the controller in the present invention

5 is a circuit diagram of a relay box and its peripheral circuit in the present invention.

6 is an electrical circuit diagram of the withstand voltage test apparatus of the present invention.

7 is a flowchart of the withstand voltage inspection process according to the present invention.

Explanation of symbols on the main parts of the drawings

11: monitor 12: keyboard

13 controller 13a DIO board

14: withstand voltage meter 15: relay box

16 sensor 17 lamp

18: buzzer 19: line stop switch

The present invention relates to a device withstand voltage withstand on the slat conveyor to automatically determine the withstand voltage of the electric and electronic products flowing on the slat conveyor (automatic product) and to automatically determine and record the withstand voltage, defects before assembling the product will be.

The conventional withstand voltage inspection apparatus is a system in which the withstand voltage inspection is carried out by manual work on a product before assembly flowing on a free flow conveyor as shown in FIG. 1. (2) to form a power supply terminal (3) for connecting the product, and to the conveyor (4) to form a power brush (5) connected to the copper plate (2), connect the withstand voltage measuring instrument (6) and withstand voltage measuring instrument (6 ), A push switch 8 for starting the test, a pallet on the conveyor 4 and a solenoid-driven topper 9 and pedal switch 10 for stopping the product. Configured

The withstand voltage inspection process by the conventional withstand voltage inspection device configured as described above will be described with reference to the circuit configuration of FIG. 1 and the flowchart of FIG. 2.

When the product is loaded onto the pallet 1 and flows on the conveyor 4 to the test position, the inspector steps on the pedal switch 10 to stop the pallet by the solenoid drive stopper 9.

In this state, the power brush 5 is connected to the copper plate 2, and then, when the test start push switch 8 is pressed, the withstand voltage measuring instrument 6 outputs a high voltage from the high voltage output terminal to the product through the brush and the copper plate power terminal. Apply instantaneous high pressure.

At this time, the physical quantity as a result of the measurement is a current, for example, 10 mA or less, it is judged as pass, and 10 mA or more, it is judged as bad. Pass and fail determination is displayed by turning on the red or green lamp 7 through the output terminal in the measuring instrument 6; If the pedal switch 10 is turned off when the stopper 9 is lowered, the pallet is transferred.

However, the conventional withstand voltage inspection device as described above takes a lot of inspection time because of the use of a stopper on the preflow conveyor, and this leads to a decrease in productivity. There is a problem such as poor workability because there is a problem in reliability and must record the bad contents one by one.

The present invention is to automatically determine the test results of the instrument by using a controller, and to execute the inspection time points sequentially by using a relay sequence circuit, so that the automated withstand voltage test on the slat conveyor without a stopper can be automated and highly efficient. An object of the present invention is to provide a device withstand voltage test on a conveyor.

3 shows the configuration of the present invention.

As shown in FIG. 3, the product withstand voltage inspection device on the slat conveyor of the present invention is a monitor 11 and an inspection worker that expresses various information such as production model pass and rejection determination result, production quantity, number of defects, and defective rate as an image. A keyboard 12 for inputting commands and various data and a DIO board for input and output to and from the outside are built-in, and control of input of detection signals, lamp and buzzer and line stop switch outputs according to the commands inputted from the keyboard, An eye controller 13 for outputting inspection information to the monitor 11 and a high voltage measuring instrument 14 for outputting a high pressure to a relay box for a predetermined time and supplying a test measurement result to a relay box, the withstand voltage measuring instrument and various sensors And a relay box 15 which is in charge of signal connection and control with a lamp and a buzzer line stop switch and connected to the DIC board of the controller, Lamp 16 and the relay which detects the pallet flowing on the bayer and detects the presence or absence of the product on the pallet and supplies the sensor box 16 to the relay box 15 and the relay box 15 to display an inspection result. The buzzer 18 is connected to the box 15 and outputs a test result as an alarm signal, and the line stop switch 19 is connected to the relay box 15 to drive or stop the Kenvey drive motor.

4 is a circuit diagram showing the connection state between the withstand voltage measuring instrument 14 and the conveyor and the controller. A power brush 5a is formed on the slat conveyor 4a, and a limit switch is a sensor for detecting pallets and products on the conveyor. (LS1) and beam sensor (BS1) is provided, the high voltage and ground terminal is connected to the brush (5a) through the breaker (MC) in the withstand voltage measuring instrument and the output terminal (GOOD, NG, COM) ) Is connected to the controller 13 through the DIO board (13a).

5 shows the relay box 15, the withstand voltage measuring instrument 14, the DIO board 13a, the sensor 16, the lamp 17, the buzzer 18, the line stop switch 19 and the high voltage output terminal of the measuring instrument ( A diagram showing a connection relationship between a short terminal for applying a high voltage and an open terminal for removing a high voltage. The relay box 15 has a data input (IN: output from a measuring instrument) with a DIO board 13a mounted in the controller 13. GOOD / NG signal) and output (OUT: signal to drive the lamp, buzzer and line stop switch) and the signal input and output (remote control signal, GOOD / NG signal) to the instrument and external sensor (16) and lamp, buzzer Input / output of the line stop switch is performed.

FIG. 6 is a diagram showing the electric circuit configuration of the present invention centered on the relay box. The control sequence shown in FIG. 7 is executed by this relay sequence circuit to automatically check the breakdown voltage of a product and to construct a database. Will be

Referring to FIG. 3 to FIG. 7, the withstand voltage inspection process by the product withstand voltage inspection device on the slat conveyor of the present invention configured as described above will be described below.

First, as shown in FIGS. 3 and 4, when the pallet arrives on the slat conveyor 4a, the limit switch LS1, which is a sensor, senses and turns it on, and the product on the pallet is detected and turned on by the detection switch BS1. do.

When the pallet detection limit switch LS1 is turned on, as shown in FIG. 6, the relay R1 is turned on so that a point R1 is turned on. When the product detection switch BS1 is turned on, the relay R2 is turned on. Since the contact a is R1, the relay R8 is turned on.

When the relay R8 is turned on, the a contact R8 is turned on, so that the high voltage output terminal switch MC of the meter 14 is turned on and the relay (B) is connected by the b contact of the meter high voltage output terminal MC and the relay R6. Since R7) is turned on, the test terminal Test and the common terminal COM are short-circuited among the remote control terminals of the measuring instrument 14 in FIG.

Therefore, at this time, the instrument 14 outputs a high pressure (1800VAC) to check the applied breakdown voltage between the charging part and the non-charging part of the pallet-shaped product arriving on the conveyor.

If the result of the test is passed, the measuring instrument 14 outputs +24 VDC from the output terminal to the pass terminal (GOOD). The relay R3 in FIG. + 24VDC is input to the input terminal DI1 of the board 13a to provide the pass result to the controller 13.

The controller 13 is composed of a microprocessor and detects the input pass signal, counts the number of production and the number of passes, and outputs the result to the monitor 11 for display.

Then, the controller 13 turns on the common terminal COMO of the DIO board 13a, so that the relay R9 and its a contact are turned on so that a green lamp G-L indicating a pass is turned on.

However, if the result of the inspection fails, the output terminal NG of the measuring instrument 14 outputs +24 VDC. The relay R4 is turned on by this voltage, and thus the contact a4 is turned on so that the DIO board 13a is turned on. + 24VDC is applied to the input terminal DI2 of.

The controller 13 turns on the common terminal COM1 of the DIO board 13a in response to the input fail signal, and accordingly, the red lamp RL indicating the failure because the relay R10 and its contact aR10 are turned on. ) Lights up and the buzzer (BZ) 18 rings, while the conveyor motor drive-stop terminal is shorted to stop the line.

At this time, when the inspector presses the remeasurement switch, the relay R12 and the contact a (R12) are turned on to operate the withstand voltage test timer T1 (2 seconds), and the remeasurement switch on signal is input to the DIO board 13a. It is input to the controller 13 through the terminal DIO DI4 to perform the withstand voltage re-measurement in the above-described process, and if the test result passes, passes the pallet and if it fails, repairs the product.

As described above, when the withstand voltage check timer T1 is operated and the contact a is turned on, the withstand voltage check reset timer T2 (3 seconds) is operated. Since the reset terminal Reset and the common terminal COM of the withstand voltage measuring instrument 14 are turned on, the next pallet inspection waits.

The data during the inspection process as described above is stored in a database in the memory of the controller 13, and when a command is input to the keyboard 12, the data is displayed on the monitor 11 at a glance.

As described above, according to the product withstand voltage inspection device on the slat conveyor of the present invention, since the product withstand voltage inspection work is automatically performed, efficient and efficient inspection work can be performed, thereby improving workability and productivity, as well as information on inspection results. There is an effect such that the management can be made easily.

Claims (1)

As a result of passing and failing the production model, there is a monitor 11 which displays various information such as the number of defective products and the rate of defective products, a keyboard 12 for inputting inspection commands and data, and a DIO board for input / output with the outside. The built-in controller controls the input lamp, buzzer and line stop switch output of the detection signal and outputs inspection information to the monitor 11 according to a command input by the keyboard, and applies a high pressure to the product set for a predetermined time. The relay box connected to the DIO board of the controller responsible for signal connection and control of the withstand voltage measuring instrument 14 for outputting and supplying the test measurement result to the relay box, the various withstand voltage measuring instruments and various sensor and lamp buzzer line stop switches. ) And the pallet to detect the pallet flowing on the slat conveyor and the presence of the product on the pallet. A buzzer 17 connected to the sensor 16 to be supplied to the 15 and the relay box 15 to display the test result, and a buzzer connected to the relay box 15 to output the test result as an alarm sound signal ( 18) and a line stop switch (19) connected to the relay box (15) for driving or stopping a conveyor driving motor.