KR960032001A

KR960032001A - Coil resistance measuring circuit using resistance method

Info

Publication number: KR960032001A
Application number: KR1019950002330A
Authority: KR
Inventors: 황의승
Original assignee: 배순훈; 대우전자 주식회사
Priority date: 1995-02-09
Filing date: 1995-02-09
Publication date: 1996-09-17

Abstract

본 발명은 코일의 저항값 측정장치에 관한 것으로서, 더욱 상세하게는 코일에 전류를 흘려 온도가 포화상태에 도달했을 때 코일 양단간의 저항값을 측정할 수 있도록 한 저항법을 이용한 코일저항 측정회로에 관한 것으로, 가전제품에 맞는 각기 다른 값을 가지는 소자들의 특성을 측정하기 위해서 종래에는 일반적인 테스터기나 오실로스코프 및 기타 측정장치를 가지고 측정하였다. 또한 전원을 이용하여 측정하는 경우에는 전원을 인가하면서 소자의 특성을 측정하거나 전원을 인가한 후에 소자의 특성을 측정하였다. 그러나 이러한 방법에 의한 소자 특성측정은 전원하는 동작과 소자의 특성을 측정하는 동작 등 여러번의 걸쳐 측정해야 함으로 손이 많이 가는 결점을 가지고 있었다. 또한 전원을 인가하는 시점과 소자특성을 측정하는 시점이 각기 다르기 때문에 소자의 특성이 정확하게 측정되지 못하는 결점을 가지고 있었다.The present invention relates to a resistance measurement device of a coil, and more particularly, to a coil resistance measurement circuit using a resistance method that allows a current to flow through a coil to measure resistance between both ends of the coil when the temperature reaches saturation. In the related art, in order to measure the characteristics of devices having different values for home appliances, a conventional tester, an oscilloscope, and other measuring devices have been measured. In the case of measuring using a power source, the characteristics of the device were measured while the power was applied, or the characteristics of the device were measured after the power was applied. However, the device characteristic measurement by this method has a drawback that requires a lot of measurements, such as the operation of power supply and the operation of measuring the characteristics of the device. In addition, there is a drawback that the characteristics of the device cannot be measured accurately because the timing of applying the power and the timing of measuring device characteristics are different.

본 발명은 제1도에서와 같이, 코일양단의 저항값을 측정하고자 하는 피측정용 코일의 온도가 포화상태가 되기까지 전류를 공급하고, 상기 전류공급이 완료되면 코일양단의 저항값을 측정할 수 있도록 된 것이다.In the present invention, as shown in FIG. 1, the current is supplied until the temperature of the coil to be measured to measure the resistance value across the coil is saturated, and when the current supply is completed, the resistance value across the coil is measured. It is to be possible.

Description

Coil resistance measuring circuit using resistance method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 회로도,1 is a circuit diagram according to the present invention,

제2도는 본 발명에 따른 흐름도.2 is a flow chart in accordance with the present invention.

Claims

In the apparatus for measuring the resistance value of the coil, the power supply unit 10 for supplying a current to the coil unit 50 to be measured, and the switching operation under the control of the control and measurement unit 40, the coil unit to be measured ( Selector for selectively supplying current to the coil (L ₁ -L _n ) of the 50 and connecting the coil (L ₁ -L _n ) of the coil unit 50 to be measured to the control and measurement unit 40 ( 20, a temperature detector 30 for detecting a temperature generated from the coils L ₁ -L _n of the coil unit 50 to be measured, and an operation of the selection unit 20 to control the temperature detection unit ( And a control and measurement unit 40 for determining a resistance value by determining a temperature saturation state of the coils L ₁ -L _n of the coil unit 50 to be measured, based on the temperature value supplied from 30. Coil resistance measurement circuit using the resistance method characterized in that the.

The switching element SW for intermitting the power supplied to the coils L ₁ -L _n of the coil unit 50 to be measured is operated in cooperation with the start switch of the control and measuring unit 40. Coil resistance measurement circuit using a resistance method characterized in that the.

※ Note: The disclosure is based on the initial application.