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KR20020030933A - A Filling-up Type Electronic Watt-Hour Meter - Google Patents

A Filling-up Type Electronic Watt-Hour Meter Download PDF

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Publication number
KR20020030933A
KR20020030933A KR1020000061299A KR20000061299A KR20020030933A KR 20020030933 A KR20020030933 A KR 20020030933A KR 1020000061299 A KR1020000061299 A KR 1020000061299A KR 20000061299 A KR20000061299 A KR 20000061299A KR 20020030933 A KR20020030933 A KR 20020030933A
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South Korea
Prior art keywords
fixed
insert
insertion hole
circuit board
printed circuit
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KR1020000061299A
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Korean (ko)
Inventor
박흥윤
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한상섭
주식회사삼신정공
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Priority to KR1020000061299A priority Critical patent/KR20020030933A/en
Publication of KR20020030933A publication Critical patent/KR20020030933A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/061Details of electronic electricity meters
    • G01R22/065Details of electronic electricity meters related to mechanical aspects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00Arrangements for displaying electric variables or waveforms
    • G01R13/40Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
    • G01R13/401Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for continuous analogue, or simulated analogue, display
    • G01R13/403Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for continuous analogue, or simulated analogue, display using passive display devices, e.g. liquid crystal display or Kerr effect display devices

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)

Abstract

PURPOSE: A backside connection type electronic power meter is provided to connect easily a backside of power line by forming an insert in an inside of a power meter. CONSTITUTION: A main body(2) and a cover(3) are combined by the first fixing member(4). A transparent window(31) is formed on the cover(3). A multitude of insertion holes(21) are formed on a backside of the main body(2). One side of an insert(5) is fixed to the insertion holes(21). A fixing groove is formed around the insert(5) corresponding to the insertion holes(21). A plurality of female screws(52,53) are formed in both end portions of the insert(5). The insert(5) has a cylindrical shape or a polygonal shape. A wire(6) is fixed to the female screw(52) by using the third fixing member(6a). An LCD(71) is formed on a printed circuit board(7). The printed circuit board(7) is fixed by the second fixing member(7a).

Description

뒷면접속형 전자식 전력량계{A Filling-up Type Electronic Watt-Hour Meter}Back-type Electronic Watt-hour meter {A Filling-up Type Electronic Watt-Hour Meter}

본 발명은 전자식 전력량계에 관한 것으로서, 보다 상세하게는 전력량계 내부에 인서트를 형성하여 전력선의 뒷면 접속이 용이한 터미널(단자) 블록을 가진 뒷면접속형 전자식 전력량계에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic wattmeter, and more particularly, to a backside connection type electronic wattmeter having a terminal (terminal) block for forming an insert inside the wattmeter and easily connecting the rear side of the power line.

전력량계는 일정 기간 중에 사용한 직류 또는 교류전력의 소비량을 측정하는 계기로서 전기미터 또는 전기 계량기라고도 한다. 일반적으로 전기요금은 소비한 전력량에 따라 정해지는 경우가 대부분이므로 이를 정확히 측정하는 계기로서 전력량계는 매우 중요한 역할을 한다.The electricity meter is an instrument that measures the consumption of DC or AC power used for a certain period of time. It is also called an electricity meter or electricity meter. In general, electricity bills are often determined by the amount of power consumed, so the electricity meter plays a very important role.

전력량계는 크게 노출형과 뒷면접속형으로 분류된다. 일반 가정이나 소규모사업장에서 사용되는 노출형은 다시 유도식 전력량계와 전자식 전력량계로 나뉘게 된다. 유도형 전력량계는 전력에 비례하는 속도로 회전하는 회전원판이 전력 사용 중에 회전한 회전수를 적산하는 것으로, 그 기간의 전력량을 구한다. 이러한 유도식 전력량계에 비해 부피가 적고 무게가 가벼우며 정밀도가 향상된 전자식 전력량계(또는 디지털 전력량계라고도 함)가 개발되었다. 소비전력을 적산하여 계량 숫자를 디지털 방식으로 표시한다.Wattmeters are largely classified into exposed type and backside connected type. Exposure types used in homes or small businesses are divided into inductive and electronic meters. The induction-type wattmeter calculates the amount of power in the period by integrating the number of rotations of the rotating disk rotated at a speed proportional to the power while the power is in use. Compared to these inductive wattmeters, electronic wattmeters (also called digital wattmeters) have been developed that are smaller in volume, lighter in weight, and have improved precision. Digitally display weighing numbers by integrating power consumption.

지금까지는 공장 등의 배전반에 사용되는 뒷면접속 타입으로는 유도식(또는 기계식 전력량계라 함) 형태의 전력량계만이 존재하고 있다.Until now, only inductive (or mechanical watt-hour) meters are used as backside connection types used in switchboards such as factories.

따라서, 사용량에 대한 검침을 위하여 검침원이 검침기의 외부에 표시되는 사용량을 검침하고 있다.Therefore, the meter reader reads the amount of usage displayed on the outside of the meter for meter reading.

이렇게 검침된 데이터는 수 작업으로 검침원의 장부에 입력된 후에 다시 사무실로 귀사하여 다시 전산 입력 작업을 거친 후, 중앙 시스템 등에 의하여 각 수용가들에게 고지서를 발부하는 시스템을 운영하고 있다.The read data is manually entered into the meter's ledger and then sent back to the office, and the computer is inputted again. Then, the central system is used to issue bills to each customer.

그러나, 점차 증가되어 가는 검침인력의 인건비 상승과 이를 집계하여 처리하는 전산인력의 인건비 및 검침 데이터의 수 작업에 의한 입력에 의하여 발생하는 비능률 및 입력착오에 의하여 발생하는 적용요금의 적정성에 대한 시비 및 미 검침 비용 등에 대한 문제가 계속 대두되고 있다.However, the increase in the labor cost of meter reading personnel, which is gradually increasing, and the inefficiency caused by the manual labor of computer personnel and the input of manual reading of meter reading data and the adequacy of the application fee caused by input and error And US meter reading costs continue to emerge.

본 발명은 뒷면접속형 전자식 전력량계를 제공하는 것을 목적으로 한다.An object of the present invention is to provide a back-connected electronic electricity meter.

본 발명의 다른 목적은 펄스 출력 기능을 이용하여 원격 검침이 가능한 뒷면접속형 전자식 전력량계를 제공하는 것이다.Another object of the present invention is to provide a back-connected electronic electricity meter capable of remote metering using a pulse output function.

본 발명의 또 다른 목적은 전력선의 뒷면 접속이 용이하도록 몸체에 인서트(Insert)를 형성한 전자식 전력량계를 제공하는 것이다.It is still another object of the present invention to provide an electronic wattmeter in which an insert is formed in a body so as to easily connect a rear side of a power line.

본 발명의 또 다른 목적을 조립이 용이하고 단락 또는 고장의 발생율이 낮은 전자식 전력량계를 제공하는 것이다.It is another object of the present invention to provide an electronic power meter which is easy to assemble and has a low occurrence rate of short circuit or failure.

위와 같은 목적을 달성하기 위한 본 발명에 따른 뒷면접속형 전자식 전력량계의 구성은 전자식 전력량계에 있어서;The configuration of the back-connected electronic electricity meter according to the present invention for achieving the above object is in the electronic electricity meter;

소정의 형상으로 형성되며 뒷면에 다수개의 삽입구가 형성되는 몸체와,It is formed in a predetermined shape and the body is formed with a plurality of insertion holes on the back,

상기한 몸체의 삽입구에 삽입되어 고정되는 인서트와,An insert inserted into the insertion hole of the body and fixed;

몸체의 삽입구에 고정되는 인서트의 삽입구 반대쪽에 고정되며 전면에 액정화면이 형성되는 인쇄회로 기판과,A printed circuit board fixed to an insertion hole opposite to the insertion hole fixed to the insertion hole of the body and having a liquid crystal display formed on the front surface thereof;

몸체와 대응되는 형상으로 형성되어 상기한 몸체에 고정되며 인쇄회로 기판에 형성된 액정화면이 놓여지는 위치에 투명창으로 이루어짐을 그 특징으로 한다.It is formed in a shape corresponding to the body and is fixed to the body, characterized in that the transparent window is formed at the position where the liquid crystal screen formed on the printed circuit board.

도 1은 본 발명에 따른 전력량계의 일실시예를 개략적으로 도시한 단면도.1 is a cross-sectional view schematically showing one embodiment of a power meter according to the present invention.

도 2는 본 발명에 따른 전력량계의 일실시예를 개략적으로 도시한 뒷면도.Figure 2 is a rear view schematically showing an embodiment of the electricity meter according to the present invention.

도 3은 본 발명에 적용되는 인서트의 일실시예를 개략적으로 도시한 사시도.3 is a perspective view schematically showing one embodiment of an insert applied to the present invention.

이하 본 발명에 따른 뒷면접속형 전자식 전력량계에 대한 바람직한 실시예를 도면을 참조하여 상세하게 설명한다.Hereinafter, a preferred embodiment of a back-connected electronic electricity meter according to the present invention will be described in detail with reference to the accompanying drawings.

먼저 본 발명에 따른 뒷면접속형 전자식 전력량계의 일실시예는 도 1 및 도 2에서 도시된 바와 같이 전력량계(1)는 소정의 형상으로 형성되는 몸체(2)와 상기한 몸체(2)와 대응되는 형상으로 형성되어 몸체(2)에 제1 고정부재(4)로 고정되는 덮개(3)로 형성된다.First, an embodiment of the back-connected electronic watt-hour meter according to the present invention corresponds to the body 2 and the body 2 formed in a predetermined shape as shown in FIGS. 1 and 2. The cover 3 is formed in a shape and fixed to the body 2 by the first fixing member 4.

몸체(2)에 제1 고정부재(4)로 고정되는 덮개(3)에는 소정의 크기로 형성되는 투명창(31)을 형성한다.The cover 3, which is fixed to the body 2 by the first fixing member 4, forms a transparent window 31 formed in a predetermined size.

상기한 전력량계(1)의 몸체(2)와 덮개(3)는 직육면체로 형성하는 것이 가장 바람직하지만, 원통형이나 반원형 또는 다각형으로 형성해도 된다.Although it is most preferable to form the body 2 and the cover 3 of the said electricity meter 1 with a rectangular parallelepiped, you may form in cylindrical shape, a semicircle, or a polygon.

상기한 몸체(2)와 덮개(3)를 고정하는 제1 고정부재(4)는 도 1에서 도시된 바와 같이 나선이 형성된 볼트 등으로 형성하여 몸체(2)와 덮개(3)를 고정하는 것이 바람직하지만, 몸체(2)나 덮개(3)의 어느 한쪽에는 고정핀을 형성하고 반대쪽에는 고정홈을 형성하여 억지 끼워맞춤으로 고정하거나, 몸체(2)와 덮개(3)를 융착시켜 사용해도 된다.As shown in FIG. 1, the first fixing member 4 fixing the body 2 and the cover 3 may be formed of a spiral bolt or the like to fix the body 2 and the cover 3. Preferably, one of the body 2 or the cover 3 is provided with a fixing pin, and a fixing groove is formed on the opposite side to be fixed by an interference fit, or the body 2 and the cover 3 may be fused together. .

덮개(3)와 제1 고정부재(4)로 고정되는 몸체(2)의 뒷면에는 내부까지 관통되는 다수개의 삽입구(21)를 형성한다.The back of the body 2 fixed by the cover 3 and the first fixing member 4 forms a plurality of insertion holes 21 penetrating to the inside.

몸체(2)의 뒷면에 다수개 형성되는 삽입구(21)에는 상기한 삽입구(21)와 대응되거나 약간 더 큰 넓이를 갖는 단면으로 소정의 길이로 형성되며 전도체의 재질로 형성되는 인서트(5)의 일측을 고정한다.The insertion hole 21 formed on the back of the body 2 is formed in a predetermined length with a cross section corresponding to the insertion hole 21 or having a slightly larger area of the insert 5 formed of a material of a conductor. Fix one side.

상기한 인서트(5)를 몸체(2)의 뒷면에 형성된 삽입구(21)에 고정하는 방법은 몸체(2)를 사출로 형성할 때 완전히 응고되기 전인 젤리와 같은 반고체상태에서 삽입하여 고정하는 것이 가장 바람직하다.The method of fixing the insert 5 to the insertion hole 21 formed on the back side of the body 2 is most preferably inserted and fixed in a semi-solid state such as jelly before being completely solidified when the body 2 is formed by injection. desirable.

상기와 같이 몸체(2)의 뒷면에 형성된 삽입구(21)에 고정되는 인서트(5)에는삽입구(21)에 고정되는 쪽의 둘레에 고정홈(51)을 형성하고 양측단부에는 암나사(52)(53)를 소정의 깊이로 형성한다.Insert 5 is fixed to the insertion hole 21 formed on the back of the body 2 as described above to form a fixing groove 51 around the side fixed to the insertion hole 21 and female screws 52 at both ends ( 53) to a predetermined depth.

인서트(5)에 형성되는 고정홈(51)은 몸체(2)가 응고되기 전에 인서트(5)가 삽입구(21)에 삽입된 다음 몸체(2)가 응고되면 몸체(2)의 일부가 인서트(5)의 고정홈(51)으로 유입되어 응고되어, 인서트(5)가 몸체(2)의 삽입구(21)에서 이탈되는 것을 방지한다.The fixing groove 51 formed in the insert 5 has a portion of the body 2 when the insert 5 is inserted into the insertion hole 21 and then the body 2 is solidified before the body 2 is solidified. 5 is introduced into the fixing groove 51 and solidified, thereby preventing the insert 5 from being separated from the insertion hole 21 of the body 2.

상기와 같이 형성되어 삽입구(21)에 고정되는 인서트(5)는 원통형 또는 다각형으로 형성한다.Insert 5 is formed as described above and fixed to the insertion hole 21 is formed in a cylindrical or polygonal.

상기와 같이 몸체(2)의 삽입구(21)에 고정되는 인서트(5)쪽의 암나사(52)에는 전선(6)을 제3 고정부재(6a)로 고정하여 전류가 인서트(5)로 전달되게 하고, 반대쪽에는 액정화면(71)이 형성된 인쇄회로 기판(7)을 제2 고정부재(7a)로 고정한다.As described above, the wire 6 is fixed to the insert 5 of the insert 5 of the body 2 by the third fixing member 6a so that the current is transmitted to the insert 5. On the other side, the printed circuit board 7 having the liquid crystal display 71 is fixed with the second fixing member 7a.

인서트(5)에 인쇄회로 기판(7)을 고정하는 제2 고정부재(7a)와 전선(6)을 고정하는 제3 고정부재(6a)는 인서트(5)와 같은 전도체로 형성된 볼트 등으로 형성하여 인서트(5)에 전달되는 전류를 제2 고정부재(7a)를 통해 인쇄회로 기판(7)으로 전달한다.The second fixing member 7a for fixing the printed circuit board 7 to the insert 5 and the third fixing member 6a for fixing the wire 6 are formed of a bolt or the like formed of a conductor such as the insert 5. The current transmitted to the insert 5 is transferred to the printed circuit board 7 through the second fixing member 7a.

인서트(5)가 고정된 몸체(2)의 내부에서 인쇄회로 기판(7)이 도 1에서 도시된 바와 같이 인서트(5)에 제2 고정부재(7a)로 고정되면, 투명창(31)이 인쇄회로 기판(7)의 액정화면(71)에 위치되도록 투명창(31)이 형성된 덮개(3)를 제1 고정부재(4)로 고정한다.When the printed circuit board 7 is fixed to the insert 5 with the second fixing member 7a inside the body 2 to which the insert 5 is fixed, the transparent window 31 is fixed. The cover 3 on which the transparent window 31 is formed is fixed to the first fixing member 4 so as to be positioned on the liquid crystal display 71 of the printed circuit board 7.

상기와 같은 구성으로 이루어진 본 발명은 배전반용 뒷면접속으로 사용되는 전력량계(1)의 뒷면에 고정되어 전류가 공급되는 전선(6)과 몸체(2) 내부에 고정되어 전류의 사용량을 측정하는 인쇄회로 기판(7)을 인서트(5)에 제2 고정부재(7a)와 제3 고정부재(6a)로 고정하기 때문에 쉽게 조립을 할 수 있으며, 제3 고정부재(6a)로 전선을 고정하므로 전선의 탈락이나 접촉불량 발생율이 낮다.The present invention having the configuration as described above is fixed to the back of the electricity meter (1) used as the back connection for the switchboard is fixed to the electric wire (6) and the body (2) to which the current is supplied printed circuit for measuring the amount of current used Since the substrate 7 is fixed to the insert 5 by the second fixing member 7a and the third fixing member 6a, assembly can be easily performed. Low dropout or poor contact rate

제3 고정부재(6a)에 의해서 전선(6)과 연결된 인서트(5)는 전선(6)을 통해 유입되는 전류를 인쇄회로 기판(7)으로 유입시키며, 인쇄회로 기판(7)으로 유입된 전류의 사용량을 인쇄회로 기판(7)에서 측정하여 상기한 인쇄회로 기판(7)에 형성된 액정화면(71)으로 디스플레이한다.The insert 5 connected to the wire 6 by the third fixing member 6a causes the current flowing through the wire 6 to flow into the printed circuit board 7, and the current flowed into the printed circuit board 7. The amount of is measured on the printed circuit board 7 and displayed on the liquid crystal screen 71 formed on the printed circuit board 7.

인쇄회로 기판(7)에서 측정되어 디스플레이되는 액정화면(71)은 전력량계(1)의 외부에서 덮개(3)에 형성된 투명창(31)을 통해 밖에서 검침원이나 사용자가 사용량을 점검한다. 또한, 상기 인쇄회로 기판(7)의 소정 부위에 펄스 발생기(도시되지 않음)가 구비되어 전력사용량을 전기적 신호로 변환하여 원격지로 출력한다. 따라서, 공장등의 배전반에 본 발명에 따른 전력량계(1)를 다수개 설치하는 경우, 원격지에서 각 전력량계(1)의 정보를 취합하여 확인할 수 있게 된다.The liquid crystal display 71 measured and displayed on the printed circuit board 7 checks the amount of usage by the meter reader or the user through the transparent window 31 formed on the cover 3 at the outside of the wattmeter 1. In addition, a pulse generator (not shown) is provided at a predetermined portion of the printed circuit board 7 to convert the power consumption into an electrical signal and output the remote signal. Therefore, when a plurality of wattmeters 1 according to the present invention are installed in switchboards such as factories, it is possible to collect and confirm information of each wattmeter 1 at a remote location.

상기에서는 본 발명에 따른 뒷면접속형 전자식 전력량계에 대한 바람직한 실시예에 대하여 설명하였지만, 본 발명은 이에 한정되는 것이 아니고 실용신안등록청구범위와 발명의 상세한 설명 및 첨부한 도면의 범위 안에서 여러가지로 변형하여 실시하는 것이 가능하고 이 또한 본 발명에 속한다.In the above, a preferred embodiment of the back-connected electronic watt-hour meter according to the present invention has been described, but the present invention is not limited thereto and is variously modified within the scope of the utility model registration claims and the detailed description of the invention and the accompanying drawings. It is possible and this also belongs to the present invention.

이상에서 설명한 바와 같이, 본 발명에 따른 뒷면접속형 전자식 전력량계는 전력선과 회로기판의 연결 및 뒷면 접속이 용이하며, 검침 정보를 펄스로 변환하여 출력함으로써 원격지에서 정보확인이 가능한 효과를 갖는다.As described above, the back-connected electronic watt-hour meter according to the present invention is easy to connect the power line and the circuit board and the back connection, and has the effect that the information can be checked remotely by converting the meter information into pulses and outputting them.

본 발명은 금속으로 형성된 인서트에 전원이 공급되는 전선과 인쇄회로 기판을 고정부재로 고정하기 때문에 조립이 용이하고 견고하게 고정되기 때문에 단락 또는 고장 발생율이 낮은 효과가 제공되는 것이다.The present invention provides an effect of low short circuit or failure rate because the assembly is easy and firmly fixed because the wire and the printed circuit board to which the power is supplied to the insert formed of metal is fixed by the fixing member.

Claims (2)

전자식 전력량계에 있어서;An electronic wattmeter; 소정의 형상으로 형성되며 뒷면에 다수개의 삽입구가 형성되는 몸체와,It is formed in a predetermined shape and the body is formed with a plurality of insertion holes on the back, 상기한 몸체의 삽입구에 삽입되어 고정되는 인서트와,An insert inserted into the insertion hole of the body and fixed; 몸체의 삽입구에 고정되는 인서트의 삽입구 반대쪽에 고정되며 전면에 액정화면이 형성되는 인쇄회로 기판과,A printed circuit board fixed to an insertion hole opposite to the insertion hole fixed to the insertion hole of the body and having a liquid crystal display formed on the front surface thereof; 몸체와 대응되는 형상으로 형성되어 상기한 몸체에 고정되며 인쇄회로 기판에 형성된 액정화면이 놓여지는 위치에 투명창이 고정되는 덮개를 포함하는 것을 특징으로 하는 뒷면접속형 전자식 전력량계.And a cover formed in a shape corresponding to the body and fixed to the body and having a transparent window fixed to a position at which the liquid crystal screen formed on the printed circuit board is placed. 제 1항에 있어서, 몸체의 삽입구에 고정되는 인서트는, 소정의 길이로 형성되는 인서트의 양측단부에 암나사가 형성되며 몸체의 삽입구에 고정되는 길이방향쪽의 둘레에 고정홈을 형성하는 것을 특징으로 하는 뒷면접속형 전자식 전력량계.According to claim 1, wherein the insert is fixed to the insertion hole of the body, female threads are formed at both ends of the insert is formed to a predetermined length and characterized in that forming a fixing groove around the longitudinal direction fixed to the insertion hole of the body Back-connected electronic electricity meter.
KR1020000061299A 2000-10-18 2000-10-18 A Filling-up Type Electronic Watt-Hour Meter Ceased KR20020030933A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112098696A (en) * 2020-08-28 2020-12-18 宁波三星医疗电气股份有限公司 A buckle structure and electric energy meter for electric energy meter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950012291U (en) * 1993-10-09 1995-05-17 박인원 Accumulated power meter box
JPH11194140A (en) * 1998-01-06 1999-07-21 Mitsubishi Electric Corp Watt hour meter for switchboard installation
KR200200306Y1 (en) * 2000-03-29 2000-10-16 금호미터텍주식회사 Unite type casing for digital counter of a meter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950012291U (en) * 1993-10-09 1995-05-17 박인원 Accumulated power meter box
JPH11194140A (en) * 1998-01-06 1999-07-21 Mitsubishi Electric Corp Watt hour meter for switchboard installation
KR200200306Y1 (en) * 2000-03-29 2000-10-16 금호미터텍주식회사 Unite type casing for digital counter of a meter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112098696A (en) * 2020-08-28 2020-12-18 宁波三星医疗电气股份有限公司 A buckle structure and electric energy meter for electric energy meter
CN112098696B (en) * 2020-08-28 2022-06-03 宁波三星医疗电气股份有限公司 A buckle structure and electric energy meter for electric energy meter

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