KR20060076676A - Apparatus for measuring resistance of thermistor - Google Patents

Apparatus for measuring resistance of thermistor Download PDF

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KR20060076676A
KR20060076676A KR1020040115439A KR20040115439A KR20060076676A KR 20060076676 A KR20060076676 A KR 20060076676A KR 1020040115439 A KR1020040115439 A KR 1020040115439A KR 20040115439 A KR20040115439 A KR 20040115439A KR 20060076676 A KR20060076676 A KR 20060076676A
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thermistor
drum
resistance measuring
organic solvent
lead wire
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KR100652131B1 (en
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오영승
엄우식
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유니썸테크놀로지 주식회사
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance

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  • Chemical Kinetics & Catalysis (AREA)
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  • Nonlinear Science (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

본 발명은, 유기용제가 담겨지는 항온조와, 수평 중심축을 중심으로 회전 가능한 구조로 구성되고 일측면에 써미스터를 방사형으로 고정시키는 고정수단을 구비하는 드럼과 써미스터가 순차적으로 유기용제에 침지될 수 있도록 드럼을 회전시키는 구동모터를 포함하는 침지수단과, 유기용제에 침지된 써미스터의 저항값을 측정하는 저항 측정기와, 저항값 측정이 종료된 써미스터를 적재함으로 이송시키는 이송수단과, 써미스터를 침지수단으로 공급하는 공급수단를 포함하도록 구성되어, 써미스터의 저항값을 정확하게 측정할 수 있고 보다 빠르게 써미스터의 저항을 측정함으로써 생산력 증대 및 제조원가 절감을 구현할 수 있으며 자동으로 양품과 불량품을 분류하여 적재할 수 있는 써미스터 저항 측정장치를 제공한다.The present invention comprises a thermostatic bath in which an organic solvent is contained, and a drum and thermistor having a fixing means configured to radially fix the thermistor on one side so as to be immersed in the organic solvent in sequence. Immersion means including a drive motor for rotating the drum, a resistance measuring instrument for measuring the resistance value of the thermistor immersed in the organic solvent, a transfer means for transferring the thermistor after the resistance value measurement is completed by loading, and the thermistor as an immersion means It is configured to include the supply means for supplying, it is possible to accurately measure the resistance value of the thermistor, and to increase the productivity and reduce the manufacturing cost by measuring the resistance of the thermistor more quickly, and thermistor resistance that can sort and load the good and bad parts automatically. Provide a measuring device.

써미스터, 저항, 측정, 드럼, 자석, 회전Thermistor, resistance, measurement, drum, magnet, rotation

Description

써미스터 저항 측정장치{Apparatus for measuring resistance of thermistor}Thermistor resistance measuring device {Apparatus for measuring resistance of thermistor}

도 1은 본 발명에 의한 써미스터 저항 측정장치의 정면도이다.1 is a front view of a thermistor resistance measuring apparatus according to the present invention.

도 2는 도 1에 도시된 A-A선을 따라 절단한 본 발명에 의한 써미스터 저항 측정장치의 측단면도이다.2 is a side cross-sectional view of a thermistor resistance measuring apparatus according to the present invention cut along the line A-A shown in FIG.

도 3은 도 2에 도시된 상태에서 리드선이 접속단자에 접촉된 본 발명에 의한 써미스터 저항 측정장치의 측단면도이다.3 is a side cross-sectional view of a thermistor resistance measuring apparatus according to the present invention, in which a lead wire contacts a connecting terminal in the state shown in FIG.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

10 : 써미스터 12 : 리드선10: Thermistor 12: Lead wire

100 : 항온조 110 : 유기용제100: thermostat 110: organic solvent

200 : 침지수단 210 : 드럼200: dipping means 210: drum

220 : 구동모터 300 : 저항 측정기220: drive motor 300: resistance meter

310 : 접속단자 400 : 이송수단310: connection terminal 400: transfer means

410 : 적재함 500 : 공급수단410: loading box 500: supply means

본 발명은 온도 변화에 따라 저항값이 변경되는 써미스터를 유기용제에 침지시킨 후 저항값을 측정함으로써 불량 여부를 판별하는 측정장치에 관한 것으로, 더 상세하게는 드럼에 다수의 써미스터를 부착시킨 후 써미스터가 유기용제에 침지될 수 있도록 드럼을 회전시킴으로써 연속적으로 써미스터의 저항값을 측정할 수 있도록 구성되는 측정장치에 관한 것이다. The present invention relates to a measuring apparatus for determining whether or not a defect by measuring the resistance value after immersing the thermistor in which the resistance value is changed in accordance with the temperature change, more specifically, thermistor after attaching a large number of thermistor to the drum It relates to a measuring device configured to continuously measure the resistance value of the thermistor by rotating the drum to be immersed in the organic solvent.

써미스터는 온도센서로서 가전 냉장고, 가스렌지, 에어콘 등의 가전용, 사무기기용 등의 민생용과 비닐하우스, 오일, 자판기, 기상관측용 등의 온도측정에 사용되는 산업용 및 의료용 등에 널리 쓰이고 있고, 또한 특수용도로 테레비젼, 비디오레코더, 라디오 등의 온도보상용 트랜지스터 회로, 시간순연용, 전화용 등의 통신기기에도 용도가 계속 확대되고 있다.Thermistor is a temperature sensor widely used for household appliances such as home appliances refrigerators, gas stoves, air conditioners, office equipment, etc., and industrial and medical applications used for temperature measurement in plastic houses, oil, vending machines, meteorological observations, etc. As a special purpose, the use continues to be extended to communication devices such as temperature compensation transistor circuits such as TVs, video recorders, radios, time-series, and telephones.

이와 같은 써미스터의 제조방법에는 저항을 측정하여 양품과 불량품을 선별하는 과정이 포함되는데, 종래에는 써미스터의 리드선을 낱개의 접속 단자와 연결하여 온도를 제어할 수 있는 항온조에 침지시킨 후 저항값을 측정하였다.Such a method of manufacturing the thermistor includes a process of selecting a good or defective product by measuring a resistance. In the related art, the resistance value is measured after immersing the lead wire of the thermistor in a thermostat that can control the temperature by connecting the individual connection terminals. It was.

그러나 종래와 같이 써미스터의 저항값을 측정하는 공정은 모두 수작업으로 이루어지므로, 한번에 하나의 써미스터만을 측정할 수 있다. 따라서 써미스터의 저항 측정에 많은 노동력이 요구되므로 써미스터의 제조 원가가 높아질 뿐만 아니라, 써미스터 저항 측정에 많은 시간이 소요되므로 생산성을 향상시키는데 한계가 있다는 문제점이 있었다. However, since the process of measuring the resistance value of the thermistor is made by hand as in the prior art, only one thermistor can be measured at a time. Therefore, since the labor cost is required for measuring the resistance of the thermistor, not only the manufacturing cost of the thermistor is high, but also a long time is required for measuring the thermistor resistance, there is a problem in that there is a limit in improving productivity.

또한, 종래의 써미스터 저항측정 공정은 수작업으로 이루어지므로, 측정값의 신뢰성이 떨어지고, 양품과 불량품을 구분하여 적재하는 과정에서 양품과 불량품이 섞일 우려가 있다는 단점도 있다.In addition, since the conventional thermistor resistance measurement process is made by hand, the reliability of the measured value is inferior, and there is a possibility that the good and bad products may be mixed in the process of classifying and loading the good and bad goods.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로서, 보다 빠르게 써미스터의 저항을 측정할 수 있고, 써미스터 측정공정이 자동화되어 생산력을 증대 및 제조원가 절감을 구현할 수 있으며, 양품과 불량품을 분류하여 적재할 수 있도록 구성되는 써미스터 저항 측정장치를 제공하는데 목적이 있다.
The present invention has been made to solve the above problems, it is possible to measure the resistance of the thermistor more quickly, the thermistor measurement process is automated can increase the productivity and reduce the manufacturing cost, classify the good and defective products and load It is an object of the present invention to provide a thermistor resistance measuring device configured to be able to do so.

상기와 같은 문제점을 해결하기 위한 본 발명에 의한 써미스터 저항 측정장치는, 유기용제가 담겨지는 항온조와, 다수의 써미스터를 순차적으로 유기용제에 침지시키는 침지수단과, 유기용제에 침지된 써미스터의 저항값을 측정하는 저항 측정기를 포함하여 구성된다.The thermistor resistance measuring apparatus according to the present invention for solving the above problems, the thermostatic chamber in which the organic solvent is contained, the immersion means for immersing a number of thermistors in the organic solvent sequentially, the resistance value of the thermistor immersed in the organic solvent It is configured to include a resistance meter to measure.

침지수단은, 수평 중심축을 중심으로 회전 가능한 구조로 구성되고 일측면에 써미스터를 방사형으로 고정시키는 고정수단을 구비하는 드럼과, 드럼에 고정된 써미스터가 순차적으로 유기용제에 침지될 수 있도록 드럼을 회전시키는 구동모터를 포함하여 구성된다. 이때 구동모터는 회전 및 정지가 반복되는 스텝회전을 하도록 구성되며, 이때 스텝각은 써미스터의 방사각과 동일하게 설정된다.The immersion means comprises a drum having a structure rotatable about a horizontal central axis and having a fixing means for radially fixing the thermistor on one side thereof, and rotating the drum so that the thermistor fixed to the drum can be sequentially immersed in the organic solvent. It is configured to include a drive motor. In this case, the drive motor is configured to perform step rotation in which rotation and stop are repeated, and the step angle is set equal to the radiation angle of the thermistor.

저항 측정기는 유기용제에 침지된 써미스터의 리드선에 연결되는 접속단자를 포함하여 구성된다. 이때 구동모터는 리드선이 접속단자와 이격된 상태에서 드럼을 회전시키고 리드선이 접속단자와 대응되는 지점에 위치되었을 때 리드선이 접속단자에 연결 및 이격되도록 드럼을 왕복시키도록 구성된다.The resistance meter includes a connection terminal connected to the lead wire of the thermistor immersed in the organic solvent. At this time, the drive motor is configured to rotate the drum in a state where the lead wire is spaced apart from the connecting terminal and to reciprocate the drum such that the lead wire is connected to and spaced from the connecting terminal when the lead wire is positioned at a point corresponding to the connecting terminal.

고정수단은, 드럼의 측면에 결합되는 자석을 포함하도록 구성된다.The fixing means is configured to include a magnet coupled to the side of the drum.

또한, 본 발명에 의한 써미스터 저항 측정장치는, 저항값 측정이 종료된 써미스터를 적재함으로 이송시키는 이송수단을 추가로 구비한다. 이때 저항측정기는 써미스터의 저항값을 측정하여 양품과 불량품을 판별하고, 이송수단은 양품과 불량품으로 판별된 써미스터를 구분하여 적재하도록 구성된다.In addition, the thermistor resistance measuring apparatus according to the present invention further includes a conveying means for transferring the thermistor whose resistance value measurement is completed by a loading box. In this case, the resistance measuring device measures the resistance value of the thermistor to discriminate between good and bad parts, and the transfer means is configured to separately load the thermistors identified as good and bad.

또한, 본 발명에 의한 써미스터 저항 측정장치는 써미스터를 침지수단으로 공급하는 공급수단을 더 포함한다.In addition, the thermistor resistance measuring apparatus according to the present invention further comprises a supply means for supplying the thermistor to the immersion means.

항온조에 채워지는 유기용제는 써미스터의 온도 안정화를 위한 것으로서, 실리콘, 알콜, 자일렌 중 어느 하나로 선택됨이 바람직하다.The organic solvent filled in the thermostat is for temperature stabilization of the thermistor, and is preferably selected from silicon, alcohol, and xylene.

이하 첨부된 도면을 참조하여 본 발명에 의한 써미스터 저항 측정장치의 실시예를 설명한다.Hereinafter, an embodiment of a thermistor resistance measuring apparatus according to the present invention will be described with reference to the accompanying drawings.

도 1은 본 발명에 의한 써미스터 저항 측정장치의 정면도이고, 도 2는 도 1에 도시된 A-A선을 따라 절단한 본 발명에 의한 써미스터 저항 측정장치의 측단면도이며, 도 3은 도 2에 도시된 상태에서 리드선이 접속단자에 접촉된 본 발명에 의한 써미스터 저항 측정장치의 측단면도이다.1 is a front view of a thermistor resistance measuring apparatus according to the present invention, FIG. 2 is a side cross-sectional view of a thermistor resistance measuring apparatus according to the present invention cut along the line AA shown in FIG. 1, and FIG. 3 is shown in FIG. 2. A side cross-sectional view of a thermistor resistance measuring apparatus according to the present invention, in which a lead wire contacts a connecting terminal in a state.

도 1 내지 도 3에 도시된 바와 같이 본 발명에 의한 써미스터 저항 측정장치는, 유기용제(110)가 담겨지는 항온조(100)와, 수평 중심축을 중심으로 회전 가능한 구조로 구성되고 일측면에 써미스터(10)를 방사형으로 고정시키는 고정수단을 구비하는 원판형 드럼(210)과 써미스터(10)가 순차적으로 유기용제(110)에 침지될 수 있도록 드럼(210)을 회전시키는 구동모터(220)를 포함하여 다수의 써미스터(10)를 순차적으로 유기용제(110)에 침지시키는 침지수단(200)과, 유기용제(110)에 침지된 써미스터(10)의 리드선(12)에 연결되는 접속단자(310)를 포함하여 유기용제(110)에 침지된 써미스터(10)의 저항값을 측정하는 저항 측정기(300)와, 저항값 측정이 종료된 써미스터(10)를 적재함(410)으로 이송시키는 이송수단(400)과, 써미스터(10)를 침지수단(200)으로 공급하는 공급수단(500)을 포함하여 구성된다.1 to 3, the thermistor resistance measuring apparatus according to the present invention, the thermostat 100 in which the organic solvent 110 is contained, and the rotatable structure around the horizontal center axis and the thermistor ( 10 and a drive motor 220 for rotating the drum 210 so that the thermistor 10 and the thermistor 10 are sequentially immersed in the organic solvent 110 having a fixing means for fixing the radially. The immersion means 200 for immersing the plurality of thermistors 10 in the organic solvent 110 sequentially, and the connection terminal 310 connected to the lead wire 12 of the thermistor 10 immersed in the organic solvent 110. Including a resistance measuring unit 300 for measuring the resistance value of the thermistor 10 immersed in the organic solvent 110, and the transfer means 400 for transferring the thermistor 10, the resistance value measurement is finished to the loading box (410) And supply means 500 for supplying the thermistor 10 to the immersion means 200. It is configured to include).

고정수단은 드럼(210)의 일면에 결합되는 자석(212)을 포함하도록 구성되어있어, 공급수단(500)에 의해 공급되는 써미스터(10)는 리드선(12)이 자석(212)에 부착되도록 그에 위치됨으로써 드럼(210)의 일면에 장착된다.The fixing means is configured to include a magnet 212 coupled to one surface of the drum 210, so that the thermistor 10 supplied by the supply means 500 is attached to the magnet wire 212 so that the lead wire 12 is attached to the magnet 212. By being positioned is mounted on one surface of the drum (210).

본 실시예에서는 고정수단으로 리드선(12)과 결합되는 자석(212)으로 적용되고 있으나, 고정수단의 구성은 이에 한정되지 아니하고 써미스터(10)를 고정시킬 수 있는 구조라면 다양하게 변경될 수 있다. 또한, 드럼(210)으로 써미스터(10)를 공급하는 공정은 공급수단(500)을 이용하지 아니하고 측정자가 직접 써미스터(10)를 드럼(210)에 장착시키도록 변경될 수 있다.In the present embodiment, the fixing means is applied to the magnet 212 coupled with the lead wire 12, but the configuration of the fixing means is not limited thereto, and may be variously modified as long as it can fix the thermistor 10. In addition, the process of supplying the thermistor 10 to the drum 210 may be changed so that the measurer directly mounts the thermistor 10 to the drum 210 without using the supply means 500.

항온조(100)에 채워지는 유기용제(110)는 써미스터(10)의 온도를 안정화시켜 보다 정확하게 저항값을 측정하기 위한 것으로서, 실리콘이나 알콜, 자일렌 중 어 느 하나로 선택됨이 바람직하다.The organic solvent 110 to be filled in the thermostat 100 is to measure the resistance value more accurately by stabilizing the temperature of the thermistor 10, it is preferably selected from any one of silicon, alcohol, xylene.

써미스터(10)가 드럼(210)의 일면에 장착되면 드럼(210)의 후면에 연결된 구동모터(220)는 드럼(210)을 회전시키며, 드럼(210)이 회전되는 동안에도 공급수단(500)의 써미스터(10) 공급은 지속적으로 진행된다. 따라서 써미스터(10)는 드럼(210)의 회전축을 중심으로 방사형을 이루도록 드럼(210)의 일면에 연속하여 장착된다. 이때, 드럼(210)은 하단부가 항온조(100)의 유기용제(110)에 침지되어 있으므로, 드럼(210)의 일면에 고정되는 써미스터(10)는 드럼(210)이 회전함에 따라 순차적으로 유기용제(110)에 침지되고, 드럼(210)의 회전이 더 진행되면 다시 유기용제(110) 외부로 나오게 된다. When the thermistor 10 is mounted on one surface of the drum 210, the driving motor 220 connected to the rear of the drum 210 rotates the drum 210, and the supply means 500 while the drum 210 is rotated. Supply of thermistor 10 continues. Accordingly, the thermistor 10 is continuously mounted on one surface of the drum 210 to form a radial shape about the rotation axis of the drum 210. At this time, since the lower end of the drum 210 is immersed in the organic solvent 110 of the thermostat 100, the thermistor 10 fixed to one surface of the drum 210 sequentially rotates as the drum 210 rotates. Is immersed in (110), the rotation of the drum 210 further proceeds to come out of the organic solvent 110 again.

접속단자(310)는 유기용제(110) 내부에 침지되도록 고정되고, 구동모터(220)는 써미스터(10)가 접속단자(310)와 수평방향으로 대응되는 지점에서 일정시간 정지되도록, 회전 및 정지가 반복되도록 스텝회전 방식으로 드럼(210)을 회전시킨다. 따라서 구동모터(220)의 스텝각은 써미스터(10)의 방사각과 동일하게 설정되어야 한다. 또한, 구동모터(220)는 리드선(12)이 접속단자(310)와 이격된 상태에서 드럼(210)을 회전시키고 리드선(12)이 접속단자(310)와 대응되는 지점에 위치되었을 때 리드선(12)이 접속단자(310)에 연결 및 이격되도록 드럼(210)을 전후로 왕복시키도록 구성된다. 본 발명에 의한 써미스터 저항 측정장치는 상기와 같이 구동모터(220)가 스텝 회전하도록 구동모터(220)의 동작을 제어하는 제어부를 추가로 구비함이 바람직하다.The connection terminal 310 is fixed to be immersed in the organic solvent 110, and the driving motor 220 is rotated and stopped so that the thermistor 10 is stopped for a predetermined time at a point corresponding to the connection terminal 310 in the horizontal direction. Rotate the drum 210 in a step rotation manner so as to repeat. Therefore, the step angle of the drive motor 220 should be set equal to the radiation angle of the thermistor 10. In addition, the driving motor 220 rotates the drum 210 while the lead wire 12 is spaced apart from the connection terminal 310 and the lead wire 12 when the lead wire 12 is positioned at a point corresponding to the connection terminal 310. 12) is configured to reciprocate the drum 210 back and forth to be connected and spaced apart from the connection terminal (310). The thermistor resistance measuring apparatus according to the present invention preferably further comprises a control unit for controlling the operation of the drive motor 220 to rotate the drive motor 220 as described above.

이때, 드럼(210)을 전후로 왕복시키는 대신 접속단자(310)를 전후로 왕복시 키도록, 접속단자(310)에 피스톤 기구 등이 마련될 수도 있다.In this case, a piston mechanism or the like may be provided in the connection terminal 310 to reciprocate the connection terminal 310 back and forth instead of reciprocating the drum 210 back and forth.

리드선(12)이 접속단자(310)와 수평선상으로 대응되는 지점에 정지되면, 구동모터(220)는 도 3에 도시된 바와 같이 리드선(12)이 접속단자(310)에 접촉되도록 드럼(210)을 수평방향으로 이동시킨다.When the lead wire 12 is stopped at a point corresponding to the connection terminal 310 on the horizontal line, the driving motor 220 is a drum 210 so that the lead wire 12 is in contact with the connection terminal 310 as shown in FIG. ) Is moved horizontally.

이와 같이 리드선(12)이 접속단자(310)에 접촉되면 저항 측정기(300)는 써미스터(10)의 저항을 측정하여 써미스터(10)가 양품인지 불량품인지를 판별한 후 써미스터(10)의 양품 여부 신호를 이송수단(400)으로 전달한다. 저항 측정기(300)의 동작이 완료되면 구동모터(220)는 다시 드럼(210)을 후퇴시킨 후 스텝각만큼 회전시켜 다음번 써미스터(10)의 저항 측정을 준비한다.When the lead wire 12 is in contact with the connection terminal 310 as described above, the resistance meter 300 measures the resistance of the thermistor 10 to determine whether the thermistor 10 is good or bad and then whether the thermistor 10 is good or bad. The signal is transmitted to the conveying means 400. When the operation of the resistance measuring device 300 is completed, the driving motor 220 retracts the drum 210 again and rotates by a step angle to prepare the resistance measurement of the next thermistor 10.

저항값 측정을 통하여 양품 여부가 판단된 써미스터(10)가 유기용제(110) 밖으로 나오면, 이송수단(400)은 써미스터(10)를 드럼(210)에서 떼어낸 후 적재함(410)에 적재한다. 이때, 이송수단(400)은 저항 측정기(300)로부터 전달받은 신호를 기준으로 양품 써미스터(10)와 불량품 써미스터(10)를 분리하여 적재한다.When the thermistor 10 judged as good quality by measuring the resistance value comes out of the organic solvent 110, the transfer means 400 removes the thermistor 10 from the drum 210 and loads it in the loading box 410. At this time, the transfer means 400 separates and loads the good quality thermistor 10 and the poor quality thermistor 10 based on the signal received from the resistance measuring device 300.

이때, 이송수단(400)은 써미스터(10)를 집어올릴 수 있는 로봇팔로 제작됨이 바람직하다. 이와 같은 로봇팔은 여러 분야의 제조공정에서 상용화된 장치이므로, 이에 대한 상세한 설명은 생략하기로 한다.At this time, the conveying means 400 is preferably made of a robot arm capable of picking up the thermistor 10. Since such a robot arm is commercially available in various manufacturing processes, a detailed description thereof will be omitted.

상기와 같은 저항 측정장치는 써미스터(10) 종류 중 리드선(12)이 자성을 띠는 부온도계수 써미스터(10)의 저항을 측정하는데 적합하며, 보다 빠르고 정확하게 써미스터(10)의 저항값을 측정할 수 있으므로 생산성을 증대시킬 수 있고 제조 원가를 낮출 수 있다. The resistance measuring device as described above is suitable for measuring the resistance of the negative temperature coefficient thermistor 10 in which the lead wire 12 is magnetic among the types of thermistor 10, and it is possible to measure the resistance value of the thermistor 10 more quickly and accurately. This can increase productivity and lower manufacturing costs.

이상, 본 발명을 바람직한 실시예를 사용하여 상세히 설명하였으나, 본 발명의 범위는 특정 실시예에 한정되는 것은 아니며, 첨부된 특허 청구범위에 의하여 해석되어야 할 것이다. 또한, 이 기술분야에서 통상의 지식을 습득한 자라면, 본 발명의 범위에서 벗어나지 않으면서도 많은 수정과 변형이 가능함을 이해하여야 할 것이다.As mentioned above, although this invention was demonstrated in detail using the preferable Example, the scope of the present invention is not limited to a specific Example and should be interpreted by the attached Claim. In addition, those skilled in the art should understand that many modifications and variations are possible without departing from the scope of the present invention.

본 발명에 의한 써미스터 저항 측정장치를 사용하면, 써미스터의 저항값을 정확하게 측정할 수 있고, 보다 빠르게 써미스터의 저항을 측정할 수 있으므로 생산력 증대 및 제조원가 절감을 구현할 수 있으며, 자동으로 양품과 불량품을 분류하여 적재할 수 있다는 장점이 있다.By using the thermistor resistance measuring apparatus according to the present invention, it is possible to accurately measure the resistance value of the thermistor, and to measure the resistance of the thermistor more quickly, thereby increasing productivity and reducing manufacturing cost, and automatically classifying good and bad parts. There is an advantage that can be loaded.

Claims (10)

유기용제가 담겨지는 항온조와, A thermostat containing organic solvent, 다수의 써미스터를 순차적으로 상기 유기용제에 침지시키는 침지수단과, Immersion means for immersing a plurality of thermistors in the organic solvent sequentially; 상기 유기용제에 침지된 써미스터의 저항값을 측정하는 저항 측정기Resistance measuring instrument for measuring the resistance value of the thermistor immersed in the organic solvent 를 포함하여 구성되는 것을 특징으로 하는 써미스터 저항 측정장치.Thermistor resistance measuring device, characterized in that comprising a. 청구항 1에 있어서,The method according to claim 1, 상기 침지수단은, The immersion means, 수평 중심축을 중심으로 회전 가능한 구조로 구성되고 일면에 상기 써미스터를 방사상으로 고정시키는 고정수단을 구비하는 드럼과, A drum having a structure rotatable about a horizontal central axis and having fixing means for radially fixing the thermistor on one surface thereof; 상기 드럼에 고정된 써미스터가 순차적으로 유기용제에 침지될 수 있도록 상기 드럼을 회전시키는 구동모터Drive motor for rotating the drum so that the thermistor fixed to the drum can be sequentially immersed in the organic solvent 를 포함하여 구성되는 것을 특징으로 하는 써미스터 저항 측정장치.Thermistor resistance measuring device, characterized in that comprising a. 청구항 2에 있어서,The method according to claim 2, 상기 드럼이 상기 써미스터의 방사각과 동일한 각으로 스텝회전을 하도록 상기 구동모터의 동작을 제어하는 제어부를 추가로 구비하는 것을 특징으로 하는 써미스터 저항 측정장치.And a control unit for controlling the operation of the drive motor such that the drum makes a step rotation at an angle equal to the radial angle of the thermistor. 청구항 2에 있어서,The method according to claim 2, 상기 저항 측정기는, 상기 유기용제에 침지된 써미스터의 리드선에 연결되는 접속단자를 포함하여 구성되고,The resistance measuring device is configured to include a connection terminal connected to the lead wire of the thermistor immersed in the organic solvent, 상기 구동모터는, 상기 리드선이 상기 접속단자와 이격된 상태에서 드럼을 회전시키며,The driving motor rotates the drum while the lead wire is spaced apart from the connection terminal, 상기 접속단자는, 상기 리드선이 접속단자와 대응되는 지점에 위치되었을 때 상기 리드선에 연결 및 이격되도록 전후로 왕복하는 것을 특징으로 하는 써미스터 저항 측정장치.And the connection terminal reciprocates back and forth to be connected to and spaced from the lead wire when the lead wire is positioned at a point corresponding to the connection terminal. 청구항 2에 있어서,The method according to claim 2, 상기 저항 측정기는, 상기 유기용제에 침지된 써미스터의 리드선에 연결되는 접속단자를 포함하여 구성되고,The resistance measuring device is configured to include a connection terminal connected to the lead wire of the thermistor immersed in the organic solvent, 상기 구동모터는, 상기 리드선이 상기 접속단자와 이격된 상태에서 드럼을 회전시키고, 상기 리드선이 접속단자와 대응되는 지점에 위치되었을 때 상기 리드선이 상기 접속단자에 연결 및 이격되도록 상기 드럼을 왕복시키도록 구성되는 것을 특징으로 하는 써미스터 저항 측정장치.The driving motor rotates the drum while the lead wire is spaced apart from the connection terminal, and reciprocates the drum so that the lead wire is connected to and spaced from the connection terminal when the lead wire is positioned at a point corresponding to the connection terminal. Thermistor resistance measuring device, characterized in that configured to. 청구항 1 내지 청구항 4 중 어느 하나의 청구항에 있어서,The method according to any one of claims 1 to 4, 상기 고정수단은, The fixing means, 상기 드럼의 측면에 결합되는 자석을 포함하여 구성되는 것을 특징으로 하는 써미스터 저항 측정장치.Thermistor resistance measuring device comprising a magnet coupled to the side of the drum. 청구항 1 내지 청구항 4 중 어느 하나의 청구항에 있어서,The method according to any one of claims 1 to 4, 저항값 측정이 종료된 써미스터를 적재함으로 이송시키는 이송수단을 추가로 구비하는 것을 특징으로 하는 써미스터 저항 측정장치.Thermistor resistance measuring apparatus further comprises a conveying means for transferring the thermistor whose resistance value measurement is completed by the loading. 청구항 7에 있어서,The method according to claim 7, 상기 저항측정기는 상기 써미스터의 저항값을 측정하여 양품과 불량품을 판별하고, The resistance measuring device measures the resistance value of the thermistor to determine good or bad, 싱기 이송수단은 양품과 불량품으로 판별된 써미스터를 구분하여 적재하도록 구성되는 것을 특징으로 하는 써미스터 저항 측정장치.The singer transfer means is a thermistor resistance measuring device, characterized in that configured to load the thermistor discriminated as good or bad. 청구항 1 내지 청구항 4 중 어느 하나의 청구항에 있어서,The method according to any one of claims 1 to 4, 상기 써미스터를 침지수단으로 공급하는 공급수단을 더 포함하는 것을 특징으로 하는 써미스터 저항 측정장치.Thermistor resistance measuring apparatus further comprises a supply means for supplying the thermistor to the immersion means. 청구항 1 내지 청구항 4 중 어느 하나의 청구항에 있어서,The method according to any one of claims 1 to 4, 상기 유기용제는 실리콘, 알콜, 자일렌 중 어느 하나인 것을 특징으로 하는 써미스터 저항 측정장치.The organic solvent is a thermistor resistance measuring device, characterized in that any one of silicon, alcohol, xylene.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102107190A (en) * 2010-12-20 2011-06-29 常州市科文传感器材料有限公司 System for testing diode thermistor in high speed
CN106574940A (en) * 2014-07-09 2017-04-19 株式会社村田制作所 Device for measuring resistance of thermistor with leads

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KR0125144B1 (en) * 1994-12-24 1997-12-09 정몽원 Auto-measuring system of resistivity-temperature curves for thermistor
JPH09222441A (en) * 1996-02-16 1997-08-26 Mitsubishi Materials Corp Measuring and selecting equipment of thermistor resistance
JPH09318683A (en) * 1996-05-28 1997-12-12 Mitsubishi Materials Corp Thermistor resistance value measuring/selecting device
KR100432711B1 (en) * 1997-06-17 2005-08-18 주식회사 엘지이아이 How to detect abnormal condition of thermistor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102107190A (en) * 2010-12-20 2011-06-29 常州市科文传感器材料有限公司 System for testing diode thermistor in high speed
CN106574940A (en) * 2014-07-09 2017-04-19 株式会社村田制作所 Device for measuring resistance of thermistor with leads
CN106574940B (en) * 2014-07-09 2019-02-15 株式会社村田制作所 Electric resistance measuring apparatus with lead thermistor

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