Extended products quality control unit

FIELD: measurement equipment.

SUBSTANCE: device comprises a speed sensor, an electrode sensor and a voltage source. It is also fitted with a microcontroller, an information input and output device, a microampermeter, an adjustable inductance coil, a greasing device, a resistance and a key, and the electrode sensor is designed as a capacitor comprising two semi-cylinders isolated from each other. The key is connected to the microcontroller the outputs of which are connected to the voltage source, the adjustable inductance coil, the greasing device and to the information input and output device, and inputs to the speed sensor, the microampermeter and the information input and output device. The resistance, the condenser, the adjustable inductance coil, the voltage source and the microampermeter are connected in series. The voltage source is a high frequency voltage source.

EFFECT: improvement of efficiency and decrease of error of determination of quality of extended products.

2 cl, 1 dwg

 

The invention relates to the field of nondestructive testing, in particular to control the integrity of lengthy products such as electrical conductors, metal products, fiber optic lines and communication cables, and can be used in electrical engineering, electrical power generation, mining, construction and other fields.

A device for control of long products by conducting eddy current flaw detector, comprising series-connected AC generator, eddy current differential transducer of the transmission type, the high-frequency amplifier, an amplitude-phase detector, phase shifter, a constant current source and the solenoid (see RF patent for the invention №2397486, IPC8G01N 27/90, publ. 20.08.2010).

The disadvantage of this device is the design complexity (over 25 items), poor protection from interference and high uncertainty due to the inhomogeneity of the magnetic properties of the controlled product.

The closest to the claimed technical solution is a device for control of faults in the insulation of the wire, comprising a speed sensor, a sensor electrode and a voltage source (see USSR author's certificate No. 1786414, G01N 27/68, publ. 07.01.1993 G.).

The disadvantage of the prototype is the low accuracy of the control of defects because of the peculiarities of Corot�tion of the discharge in the sensor-electrode and a low speed pulling.

The objective of the proposed technical solution is to increase the speed and quality control of long products, as well as reduce the error of determination of the defect.

The technical result is to control the homogeneity of the product throughout its duration.

The solution of a technical problem is achieved in that the device quality control of long products, including the speed sensor, the sensor electrode and the voltage source according to the invention is further provided with a microcontroller, the input device and information display, micro-ammeter, variable inductor, lubricating device, resistance and key, and the sensor electrode is made in the form of a capacitor of two isolated from each other of parts of the coupling, wherein the key is connected to the microcontroller, the outputs of which are connected to the voltage source, an adjustable inductor, the lubricating device and the input device and information display, and the inputs to the speed sensor, the microammeter and the input device and information display, and the resistance, capacitor, adjustable inductor, a voltage source and a microammeter connected in series.

As the source voltage using a source of high frequency voltage.

This device will allow Wops�city the reliability and quality checking lengthy products, and also reduce the accuracy of determining the extended defect of the product.

The invention is illustrated by drawings, which shows a block diagram of the device for quality control of long products.

The device consists of a key 1, a microcontroller 2, the input device and information display 3, the voltage source 4, an adjustable inductor 5, the resistor 6, the spreader 7, the speed sensor feed products 8, condenser 9 and microammeter 10.

Device quality control of long products works as follows.

Before you start, check the product disposed between the parts of the coupling capacitor 9. The total power carried by the key 1. In this case, through the input device and information display 3 to enter information about the product, which coupled with the information from the voltage source 4 and microammeter 10 allowed the microcontroller 2 to calibrate an adjustable inductor 5, so that the series-connected resistor 6, an adjustable inductor 5 and the capacitor 9 was in a state of stress response. After these operations are completed, the microcontroller 2 handed control signal to the lubricating device 7, which dispenser dielectric lubricating fluid that facilitates PR�velicianie investigational products through the parts of the coupling capacitor 9.

After switching started provorachivanija products through the parts of the coupling capacitor 9. The microcontroller 2 on the basis of the information of the voltage source 4 and microammeter 10 constantly monitored, the presence in the circuit of the voltage resonance. As soon as the operating mode of the device differed from the resonance, the microcontroller 2 stop feeding the product and signaled via the input device and information display 3) detection of the defect of the test object in the region between the parts of the coupling capacitor 9.

Speed sensor pulling items 8 through the parts of the coupling capacitor 9 generated control signal to the microcontroller 2, which regulated the speed of adding the dielectric lubricating fluid.

The use of the proposed device for the quality control of long products will allow for comparison with the prototype to perform fast and reliable quality control without the use of complex circuits and high voltage, which will significantly improve the efficiency and reduce the error in determining the quality of long products.

1. Device quality control of long products, including the speed sensor, the sensor electrode and the voltage source, characterized in that it further provided with a microcontroller, input device and display in�ormatie, a microammeter, adjustable inductor, lubricating device, resistance and key, and the sensor electrode is made in the form of a capacitor of two isolated from each other of parts of the coupling, wherein the key is connected to the microcontroller, the outputs of which are connected to the voltage source, an adjustable inductor, the lubricating device and the input device and information display, and the inputs to the speed sensor, the microammeter and the input device and information display, and the resistance, capacitor, adjustable inductor, a voltage source and a microammeter connected in series.

2. The device according to claim 1, characterized in that as the source voltage using a source of high frequency voltage.



 

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