KR20120124580A - Insulation multimeter device - Google Patents

Insulation multimeter device Download PDF

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Publication number
KR20120124580A
KR20120124580A KR1020110042302A KR20110042302A KR20120124580A KR 20120124580 A KR20120124580 A KR 20120124580A KR 1020110042302 A KR1020110042302 A KR 1020110042302A KR 20110042302 A KR20110042302 A KR 20110042302A KR 20120124580 A KR20120124580 A KR 20120124580A
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KR
South Korea
Prior art keywords
selector
voltage
insulation
tester
resistance
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KR1020110042302A
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Korean (ko)
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김성환
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김성환
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Priority to KR1020110042302A priority Critical patent/KR20120124580A/en
Publication of KR20120124580A publication Critical patent/KR20120124580A/en

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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
    • G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/12—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will

Abstract

PURPOSE: A multi tester-insulation resistance tester is provided to perform various kinds of measurement with a single device. CONSTITUTION: A terminal connecting unit(10) is connected with a lead wire terminal. A selection switch unit(20) includes an AC voltage selector, a DC voltage selector, a resistance selector, a current selector, and an insulation resistance selector. A display unit(30) displays a measured value selected by the selection switch unit.

Description

멀티테스터 겸용 절연 저항계{INSULATION MULTIMETER DEVICE}Multi-tester combined resistance ohmmeter {INSULATION MULTIMETER DEVICE}

본 발명은 멀티테스터 겸용 절연 저항계에 관한 것으로서, 더욱 상세하게는 절연저항 측정기능 외에 전압, 전류, 저항 측정이 가능한 멀티 테스터 기능을 갖는 절연 저항계 장치에 관한 것이다.
The present invention relates to a multi-tester combined resistance meter, and more particularly, to an insulation ohmmeter device having a multi-tester function capable of measuring voltage, current, and resistance in addition to the insulation resistance measurement function.

일반적으로 절연 저항계는 교류 전압으로 220볼트 이상의 전압을 사용하는 전기 장치 또는 기기의 절연 여부를 측정할 때 사용하는 장치이다.In general, an insulation ohmmeter is a device used to measure the insulation of an electrical device or apparatus using a voltage of 220 volts or more as an alternating voltage.

이에 전자적으로 제어 및 구동되는 배전반 및 설비 등을 점검하기 위한 방법으로 종래에는, 기존의 절연저항계를 이용하여 절연저항, 교류전압, 단락여부를 측정하여 정상적인 경우에서의 설정치와 그 크기를 비교하여, 정상여부를 판단하였다.In order to check the switchboard and the equipment, which is controlled and driven electronically, conventionally, by using the existing insulation ohmmeter to measure the insulation resistance, AC voltage, short-circuit and compare the setting value and the size in the normal case, It was judged normal.

그러나, 직류전압을 측정하기 위해서는 반드시 별도의 직류전압측정계를 이용하여 점검하였다.However, in order to measure the DC voltage it was always checked using a separate DC voltage meter.

따라서, 상기와 같이 종래에는 적어도 두개 이상의 측정계가 필요함으로써 보관 및 휴대가 불편하였으며 구입 비용이 많이 들었다.Therefore, as described above, at least two or more measurement systems are required, and thus storage and portability are inconvenient, and purchase cost is high.

또한 각기 다른 측정계를 이용하여 여러번 측정을 하여야 하므로 사용이 매우 번거로운 등의 여러 가지 문제점이 있었다.
In addition, there are various problems, such as very cumbersome to use because it has to measure several times using different measuring systems.

본 발명은 상기와 같은 종래 기술에 있어서의 문제점을 개선하기 위해 제안된 것으로서, 절연저항 측정기능 외에도 전압, 전류, 저항 측정이 가능한 멀티 테스터 기능을 갖는 절연 저항계를 제공하는데 목적이 있다.
The present invention has been proposed to improve the above problems in the prior art, and an object thereof is to provide an insulation ohmmeter having a multi-tester function capable of measuring voltage, current, and resistance in addition to the insulation resistance measurement function.

상기 목적을 이루기 위한 본 발명의 멀티 테스터기 겸용 절연 저항기는, 다수개로 구비되어 리드단자가 연결되어지는 단자연결부와; 교류전압선택부, 직류전압선택부, 저항선택부, 전류선택부 및 절연저항 선택부가 표시되어져 있는 선택 스위치부와; 상기 선택 스위치부에 의해 선택된 측정된 수치가 표시되어지는 디스플레이부를 포함하는 구성을 이루는 것을 특징으로 한다.
Multi-tester combined insulation resistor of the present invention for achieving the above object is provided with a plurality of terminal connecting portion to which the lead terminal is connected; A selection switch section in which an AC voltage selector, a DC voltage selector, a resistor selector, a current selector, and an insulation resistance selector are displayed; And a display unit in which the measured value selected by the selection switch unit is displayed.

이러한 본 발명은, 전압이나 전류 및 저항 측정용도로 사용되는 일반 테스터기에 절연저항 측정기능이 추가되어짐으로서 하나의 기기로 다양한 종류의 계측이 가능한 효과를 나타낸다.In the present invention, the insulation resistance measurement function is added to a general tester used for measuring voltage, current, and resistance, and thus, various types of measurement can be performed with one device.

도 1은 본 발명 멀티 테스터기의 외관 사시도.
도 2는 본 발명 멀티 테스터기의 정면 구조도.
도 3은 본 발명 멀티 테스터기의 선택 스위치부 확대도.
도 4는 본 발명 장치의 전압측정 상태도.
도 5는 본 발명 장치의 저항측정 상태도.
도 6은 본 발명 장치의 전류측정 상태도.
도 7은 발명 장치의 절연저항측정 상태도.1 is an external perspective view of the present invention multi-tester.
Figure 2 is a front structural view of the present invention multi tester.
Figure 3 is an enlarged view of the selection switch unit of the present invention multi-tester.
4 is a voltage measurement state diagram of the device of the present invention.
5 is a resistance measurement state diagram of the device of the present invention.
6 is a current measurement state diagram of the device of the present invention.
7 is an insulation resistance measurement state diagram of the invention device.

이하, 본 발명의 구체적인 실시 예를 첨부 도면을 참조하여 상세히 살펴보기로 한다.Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

먼저, 본 발명의 일 실시 예에 따른 멀티 테스터기의 구조를 살펴보면 테스터기 본체부(100)에는 다수개로 구비되어 리드선단자(40)가 연결되어지는 단자연결부(10)와, 측정 종류를 선택하기 위한 선택 스위치부(20)와, 선택 스위치부(20)에 의해 선택된 측정된 수치가 표시되어지는 디스플레이부(30)가 구성되어져 있음을 확인할 수 있다.First, looking at the structure of the multi tester according to an embodiment of the present invention, the tester main body portion 100 is provided with a plurality of terminals connected to the lead wire terminal 40 connected to the selection, and selection for selecting the type of measurement It can be seen that the switch unit 20 and the display unit 30 in which the measured value selected by the selection switch unit 20 are displayed are configured.

특히, 선택 스위치부(20)는 교류전압선택부(21) 및 직류전압선택부(22)를 포함하여 저항 측정시 미세한 전류를 회로에 흘려 값을 측정하게 되는 저항선택부(23), 측정회로의 전원을 차단한 후 기기와 직렬로 연결하여 측정이 이루어지는 전류선택부(24,25) 및 전원이 연결되지 않은 회로에서 측정이 이루어지는 절연저항 선택부(26)가 각각 표시되어져 있어 원하는 측정 종류를 선택할 수 있게 된다.In particular, the selector switch 20 includes an AC voltage selector 21 and a DC voltage selector 22. The resistance selector 23, which measures a value by flowing a fine current through the circuit in the resistance measurement, measures the circuit. The current selectors 24 and 25 for measuring by disconnecting the power supply and connecting them in series with each other and the insulation resistance selector 26 for measuring in a circuit that is not connected to the power supply are displayed. You can choose.

즉, 교류전압선택부(21) 및 직류전압선택부(22)에서는 직류전압 600.0mv, 6.000V, 60.00V, 600.0V 그리고 750V, 교류전압 6.000V, 60.00V, 600.0V 그리고 750V 레인지로 구성된다.That is, the AC voltage selector 21 and the DC voltage selector 22 include DC voltage 600.0mv, 6.000V, 60.00V, 600.0V and 750V, AC voltage 6.000V, 60.00V, 600.0V and 750V range. .

도면 중 미설명 부호 200은 본체부(100) 보호를 위해 뒷면에 결합되는 보호커버를 나타낸다.In the drawings, reference numeral 200 denotes a protective cover which is coupled to the rear surface to protect the main body 100.

이와 같은 구조를 이루는 본 발명 멀티 테스터기의 사용에 따른 작용효과를 살펴보기로 한다.The effect of using the multi-tester of the present invention constituting such a structure will be described.

먼저, AC교류전압 또는 DC직류전압 측정을 실시코자 하는 경우에는 선택 스위치부(20)를 돌려서 도 4에서와 같이 교류전압선택부(21) 또는 직류전압선택부(22)로 위치시킨 상태에서 2개의 리드선단자(40)를 각각 단자연결부(10)에 접속시킨 상태에서 콘센트 또는 베터리 등의 전압 측정이 이루어지게 된다.First, in order to perform AC AC voltage or DC DC voltage measurement, the selector switch 20 is turned to be positioned at the AC voltage selector 21 or DC voltage selector 22 as shown in FIG. 4. In the state in which the two lead wire terminals 40 are connected to the terminal connecting portion 10, voltage measurement such as an outlet or a battery is performed.

그리고, 저항측정시에는 도 5에서와 같이 선택 스위치(20)를 저항선택부(23)로 위치시킨 상태에서 2개의 리드선단자(40)를 저항체와 연결하여 디스플레이부(30)에 나타나는 저항 수치를 확인하게 되는 것이다.In the resistance measurement, as shown in FIG. 5, in the state where the select switch 20 is positioned as the resistance selector 23, the two lead wires 40 are connected to the resistor to measure the resistance value displayed on the display unit 30. Will be confirmed.

그리고, 전류측정시에는 도 6에서와 같이 선택 스위치(20)를 전류선택부(24,25)에 위치시킨 상태에서 2개의 리드선단자(40)를 각각 배터리와 PCB기판에 연결하여 측정이 이루어지게 된다.In the current measurement, as shown in FIG. 6, the two lead wires 40 are connected to the battery and the PCB, respectively, with the selector switch 20 positioned at the current selector 24 and 25. do.

한편, 절연저항을 측정코자 하는 경우에는 도 7에서와 같이 선택 스위치(20)를 절연저항 선택부(26)에 위치시킨 상태에서 측정이 이루어지게 된다.On the other hand, when the insulation resistance is to be measured, the measurement is performed in a state where the selection switch 20 is positioned in the insulation resistance selector 26 as shown in FIG. 7.

이러한 절연저항 측정시는 전원이 연결되지 않은 회로에서 측정이 이루어지게 되는데, 선택 스위치(20)를 돌렸을 때 디스플레이부(30)에 "500V" 표시가 나타나고 "MΩ" 단위가 점멸된다.When the insulation resistance is measured, the measurement is performed in a circuit that is not connected to a power source. When the selection switch 20 is turned, the display unit 30 displays “500 V” and the “MΩ” unit blinks.

이때, 리드선단자(40)를 측정하고자 하는 회로에 연결하여 디스플레이부(30)에 표시된 값을 읽게 되는 것이다.At this time, the lead terminal 40 is connected to the circuit to be measured to read the value displayed on the display unit 30.

따라서, 본 발명의 멀티테스터 기기를 사용하게 되면 하나의 기기만 휴대한 상태에서 현장에서 다양한 측정이 이루어질 수 있게 되어 작업효율 및 편리성을 향상시키게 됨을 알 수 있다.Therefore, when the multi-tester device of the present invention is used, it can be seen that various measurements can be made in the field while only one device is carried, thereby improving work efficiency and convenience.

그리고, 상기에서 본 발명의 특정한 실시 예가 설명 및 도시되었지만 본 발명의 멀티테스터 기기 구조가 당업자에 의해 다양하게 변형되어 실시될 수 있음은 자명한 일이다.In addition, although specific embodiments of the present invention have been described and illustrated above, it will be apparent that the multitester device structure of the present invention may be variously modified and implemented by those skilled in the art.

그러나, 이와 같은 변형된 실시예들은 본 발명의 기술적 사상이나 범위로부터 개별적으로 이해되어져서는 안되며, 이와 같은 변형된 실시 예들은 본 발명의 첨부된 특허청구범위 내에 포함된다 해야 할 것이다.
However, such modified embodiments should not be understood individually from the spirit or scope of the present invention, such modified embodiments will be included within the appended claims of the present invention.

10 : 단자연결부 20 : 선택 스위치부
21 : 교류전압선택부 22 : 직류전압선택부
23 : 저항선택부 24 : 전류선택부(mA)
25 : 전류선택부(A) 26 : 절연저항 선택부
30 : 디스플레이부 40 : 리드선단자
100 : 본체부 200 : 보호커버10: terminal connection part 20: selection switch part
21: AC voltage selector 22: DC voltage selector
23: resistance selector 24: current selector (mA)
25: current selector (A) 26: insulation resistance selector
30: display unit 40: lead terminal
100: main body 200: protective cover

Claims (1)

다수개로 구비되어 리드선단자(40)가 연결되어지는 단자연결부(10)와;
교류전압선택부(21), 직류전압선택부(22), 저항선택부(23), 전류선택부(24,25) 및 절연저항 선택부(26)가 표시되어져 있는 선택 스위치부(20)와;
상기 선택 스위치부(20)에 의해 선택된 측정된 수치가 표시되어지는 디스플레이부(30);
를 포함하는 구성을 이루는 것을 특징으로 하는 멀티테스터 겸용 절연 저항계.A terminal connecting portion 10 provided with a plurality of leads to which the lead wire terminal 40 is connected;
A selector switch 20 in which an AC voltage selector 21, a DC voltage selector 22, a resistor selector 23, a current selector 24, 25 and an insulation resistance selector 26 are displayed; ;
A display unit 30 on which the measured value selected by the selection switch unit 20 is displayed;
Multi-tester combined insulation resistance meter comprising a configuration comprising a.
KR1020110042302A 2011-05-04 2011-05-04 Insulation multimeter device KR20120124580A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200489928Y1 (en) 2018-06-29 2019-08-29 주식회사 한국가스기술공사 Insulation resistance measuring apparatus
KR102296457B1 (en) * 2020-05-28 2021-09-02 울산과학기술원 Electronic measuring instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200489928Y1 (en) 2018-06-29 2019-08-29 주식회사 한국가스기술공사 Insulation resistance measuring apparatus
KR102296457B1 (en) * 2020-05-28 2021-09-02 울산과학기술원 Electronic measuring instrument

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