JPH089645Y2 - Voltage detector - Google Patents
Voltage detectorInfo
- Publication number
- JPH089645Y2 JPH089645Y2 JP1993039149U JP3914993U JPH089645Y2 JP H089645 Y2 JPH089645 Y2 JP H089645Y2 JP 1993039149 U JP1993039149 U JP 1993039149U JP 3914993 U JP3914993 U JP 3914993U JP H089645 Y2 JPH089645 Y2 JP H089645Y2
- Authority
- JP
- Japan
- Prior art keywords
- voltage detector
- tip
- voltage
- detector
- electroscope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 27
- 238000012360 testing method Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
【0001】[0001]
【産業上の利用分野】この考案は、検電器に関し、さら
に詳しくは、例えば高圧/低圧あるいは直流/交流等の
異なった充電が行われている充電部を検電することので
きる検電器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a voltage detector, and more particularly, to a voltage detector capable of detecting a charging portion that is charged differently such as high voltage / low voltage or DC / AC.
【0002】[0002]
【従来の技術】図7は、電力線等の死線あるいは活線を
識別する従来の検電器の構成を示す断面図である。2. Description of the Related Art FIG. 7 is a sectional view showing the structure of a conventional voltage detector for identifying a dead line or a live line such as a power line.
【0003】図において、51は検電子であり、この検
電子51は絶縁プラスティック等の絶縁性の高い材質に
より構成された検電器本体52の先端部に固定されてい
る。53は握持部であり、検電器本体52と同様、絶縁
物質により構成されている。この握持部53は、前記検
電器本体52の後端付近に構成されている。54は入力
抵抗、55は検出抵抗であり、これら入力抵抗54およ
び検出抵抗55は直列接続され、入力抵抗54の一端が
前記検電子51に接続される一方、検出抵抗55の一端
は内部電子基板のアース端子50に接続されている。5
6は増幅部であり、検出抵抗55における電圧降下量を
増幅し出力する。57は処理部であり、前記増幅部56
の出力に対し電気的な処理を行い、充電部が死線か活線
かの識別信号を出力する。表示部58は、前記処理部5
7の出力する識別信号に応じて死線か活線かの表示を行
う。In the figure, reference numeral 51 designates an electron detector, and this electron detector 51 is fixed to the tip end of a detector body 52 made of a highly insulating material such as insulating plastic. A grip portion 53 is made of an insulating material, like the main body 52 of the electroscope. The grip portion 53 is formed near the rear end of the electroscope main body 52. Reference numeral 54 is an input resistance, and 55 is a detection resistance. The input resistance 54 and the detection resistance 55 are connected in series, one end of the input resistance 54 is connected to the detector 51, and the other end of the detection resistance 55 is an internal electronic board. Is connected to the ground terminal 50 of. 5
An amplifier 6 amplifies and outputs the voltage drop amount in the detection resistor 55. Reference numeral 57 denotes a processing unit, which is the amplification unit 56.
Is electrically processed, and the charging unit outputs an identification signal indicating whether the line is a dead line or a live line. The display unit 58 is the processing unit 5
A dead line or a live line is displayed in accordance with the identification signal output by 7.
【0004】[0004]
【考案が解決しようとする課題】しかしながら、従来の
検電器では、入力抵抗54および検出抵抗55の大きさ
を充電部の電圧の大きさあるいは種類に応じて異なった
ものにする必要があるので、充電部の電圧の大きさある
いは種類に応じた専用の検電器を使用して検電を行う必
要があり、製造される検電器の種類も多くしなければな
らず、検電器の開発および製造に要する費用が増大する
問題点がある。However, in the conventional voltage detector, it is necessary to make the sizes of the input resistance 54 and the detection resistance 55 different depending on the size or type of the voltage of the charging section. It is necessary to detect electricity using a dedicated voltage detector according to the size or type of the voltage of the charging section, and the types of voltage detectors to be manufactured must be increased, which is important for developing and manufacturing voltage detectors. There is a problem that the cost required increases.
【0005】さらに、現場で検電作業を行う場合におい
ても、多種類の検電器を携帯する必要があり、作業能率
の向上をはかる上でも問題である。Further, even in the case of carrying out the power detection work on site, it is necessary to carry many kinds of power detectors, which is a problem in improving work efficiency.
【0006】この考案は、このような従来の問題点に着
目してなされたもので、この考案の目的は、一部分を交
換することにより、電圧の大きさあるいは種類の異なっ
た充電部の検電を行うことができ、種類を統一化して開
発および製造に要する費用を削減し、また、作業能率を
向上させることができる検電器を提供することにある。The present invention has been made in view of such a conventional problem, and the object of the present invention is to detect a charging portion having a different voltage magnitude or a different kind by exchanging a part thereof. It is to provide a voltage detector which can perform the above-mentioned process, unify the types, reduce the cost required for development and manufacturing, and improve the work efficiency.
【0007】[0007]
【課題を解決するための手段】この考案に係る検電器
は、検電子に被検電部の電位に応じた検出抵抗が接続さ
れ、検電子を被検電部に接触させることにより被検電部
の電位に拘らず一定範囲の検出信号を出力する複数種類
の検電器先端部と、それら複数種類の検電器先端部に着
脱自在に構成され、その検電器先端部によって検出され
た一定範囲の検出信号に応じて被検電部の死活を検出す
る検電器本体とを備えたものである。Means for Solving the Problems Voltage detector according to the present invention
Is connected to the tester with a detection resistor according to the potential of the part to be tested.
And contact the test piece with the test piece
Multiple types that output detection signals within a certain range regardless of the potential of
On the tip of the detector and
Detachable, detected by the tip of the voltage detector
The life and death of the part under test is detected according to the detection signal within a certain range.
It has a main body of a voltage detector .
【0008】[0008]
【作用】この考案における検電器は、検電子が設けられ
た検電器先端部と検電器本体と を着脱自在に組み合せ、
さらに両者を電気的に接続するので、検電器先端部を交
換することにより、電圧の大きさあるいは種類の異なっ
た被検電部の検電を行うことができ、検電器を被検電部
の電圧の大きさあるいは種類に応じて交換する必要がな
く、検電器先端部以外の部分は同一のものを使用するこ
とができるので、製造する際は検電器先端部を被検電部
の電圧の大きさに応じて製造すればよく、検電器本体側
は統一化することができ、開発および製造に要する費用
を削減し、作業能率の向上をはかることができる。The function of the voltage detector according to the present invention is provided with an electron detector.
The tip of the electroscope and the main body of the electroscope are detachably combined,
Furthermore, since both are electrically connected, the tip of the voltage detector must be connected.
To change the magnitude or type of voltage.
It is possible to perform power detection of the tested part, and connect the voltage detector to the tested part.
Need to be replaced according to the size or type of voltage
Use the same parts except the tip of the voltage detector.
Therefore, when manufacturing, the tip of the voltage detector should be
It may be manufactured according to the voltage level of the
Can be standardized and the cost of development and manufacturing
Can be reduced and the work efficiency can be improved .
【0009】[0009]
【実施例】以下、この考案の実施例を図面に基づいて説
明する。図1は、この考案の検電器の第1実施例を示す
正面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a front view showing a first embodiment of the voltage detector of the present invention.
【0010】図において、1は検電子、2は検電子1が
固定された検電器先端部である。この検電器先端部2は
絶縁材料により形成されている。3は検電器本体、4は
握持部である。検電器先端部2には、検電器本体3に着
脱自在に取り付けるための接続部が構成されている。In the figure, reference numeral 1 is an electroscope, and 2 is a tip portion of the electroscope to which the electroscope 1 is fixed. This electroscope tip 2 is made of an insulating material. Reference numeral 3 is a main body of the voltage detector, and 4 is a grip portion. At the tip portion 2 of the voltage detector, a connecting portion for detachably attaching to the body 3 of the voltage detector is configured.
【0011】図2は、この実施例の検電器の構造を示す
断面図である。図において、5は入力抵抗、6は表面に
ネジ山が形成されたオネジ側接続部であり、金属により
構成されている。入力抵抗5には、検電しようとする充
電部の電圧の大きさおよび直流/交流の違いに応じた抵
抗値および特性を有したものが使用されている。入力抵
抗5の両端は、夫々前記検電子1の一端と接続部6の一
部に接続されている。FIG. 2 is a sectional view showing the structure of the voltage detector of this embodiment. In the figure, 5 is an input resistance, and 6 is a male screw side connection portion having a thread formed on the surface, which is made of metal. As the input resistor 5, a resistor having a resistance value and characteristics according to the magnitude of the voltage of the charging section to be subjected to the voltage detection and the difference between direct current and alternating current is used. Both ends of the input resistor 5 are connected to one end of the detector 1 and a part of the connecting portion 6, respectively.
【0012】7は有底円筒形状のメネジ側接続部であ
り、導電体により形成されており、円筒内面にはネジ山
が形成されている。8は検出抵抗であり、検出抵抗8の
両端は前記メネジ側接続部7と、内部電子基板のアース
端子T1に接続されている。9は増幅部であり、検出抵
抗8における電圧降下量を増幅し出力する。10は処理
部であり、検電結果に応じた表示を表示部11に表示さ
せるための表示部駆動信号を生成し出力する。Reference numeral 7 denotes a female screw side connecting portion having a cylindrical shape with a bottom, which is made of a conductor and has a thread formed on the inner surface of the cylinder. Reference numeral 8 denotes a detection resistor, and both ends of the detection resistor 8 are connected to the female screw side connection portion 7 and the ground terminal T1 of the internal electronic board. An amplification unit 9 amplifies and outputs the voltage drop amount in the detection resistor 8. Reference numeral 10 denotes a processing unit, which generates and outputs a display unit drive signal for causing the display unit 11 to display a display corresponding to the result of the voltage detection.
【0013】この実施例では、交流の100V,200
V,400Vの充電部に対し検電器先端部2を交換する
だけで検電することが出来るので、作業能率の向上をは
かることができる。また、製造する際にも検電器先端部
を交流の100V,200V,400Vに夫々対応した
入力抵抗,検出抵抗を用いて製造すればよく、検電器先
端部以外は統一化することが出来るので、開発および製
造に要する費用を削減することが出来る。In this embodiment, AC 100V, 200
Since it is possible to detect electricity only by exchanging the tip portion 2 of the detector with respect to the charged portion of V and 400 V, it is possible to improve the work efficiency. Also, when manufacturing, the tip of the voltage detector may be manufactured by using the input resistance and the detection resistance corresponding to 100V, 200V, and 400V of alternating current, respectively, and the parts other than the tip of the voltage detector can be unified. The cost required for development and manufacturing can be reduced.
【0014】図3は、第2実施例の検電器の構造を示す
断面図である。図3において図2と同一の部分について
は、同一の符号を付し説明を省略する。この実施例で
は、検電器先端部2が検電器本体3に取り付けられる
と、検電器先端部2と検電器本体3とはボール12aに
よりロックされ一体となる構造となっている。FIG. 3 is a sectional view showing the structure of the voltage detector of the second embodiment. 3, the same parts as those in FIG. 2 are designated by the same reference numerals and the description thereof will be omitted. In this embodiment, when the tip portion 2 of the voltage detector is attached to the body 3 of the voltage detector, the tip portion 2 of the voltage detector and the body 3 of the voltage detector are locked by the ball 12a to be integrated.
【0015】すなわち、検電器先端部2に構成された挿
入側接続部12には、スプリング12bにより常時外側
に付勢されているボール12aが取り付けられており、
このボール12aの一部は、挿入側接続部12の表面か
ら突き出ている。一方,検電器本体3には有底円筒形状
の受側接続部13が構成されており、受側接続部13の
内面の所定の位置には、挿入側接続部12の表面から突
き出た前記ボール12aの部分と合致する凹部13aが
構成されている。That is, a ball 12a, which is constantly urged to the outside by a spring 12b, is attached to the insertion-side connecting portion 12 formed on the tip portion 2 of the voltage detector.
A part of the ball 12 a projects from the surface of the insertion-side connecting portion 12. On the other hand, the electroscope main body 3 is provided with a bottomed cylindrical receiving-side connecting portion 13, and the ball protruding from the surface of the inserting-side connecting portion 12 is located at a predetermined position on the inner surface of the receiving-side connecting portion 13. A recess 13a is formed so as to match the portion 12a.
【0016】この実施例では、検電器先端部2を交換す
る際に検電器先端部2の挿入側接続部12を検電器本体
3側の受側接続部13に押し込むだけでよく、検電器先
端部2を交換する際の作業性が向上する。In this embodiment, when replacing the tip portion 2 of the voltage detector, it suffices to push the insertion side connecting portion 12 of the tip portion 2 of the voltage detector into the receiving side connecting portion 13 of the body 3 of the voltage detector. Workability when replacing the part 2 is improved.
【0017】図4は、第3実施例の検電器の構造を示す
断面図である。図において、21は検電子、22は検電
子21が固定された検電器先端部である。この検電器先
端部22は絶縁材料により形成されている。23は検電
器本体、24は握持部である。検電器先端部21には、
検電器本体23に着脱自在に取り付けるための接続部が
構成されている。FIG. 4 is a sectional view showing the structure of the voltage detector of the third embodiment. In the figure, 21 is an electroscope, and 22 is a tip portion of the electroscope to which the electroscope 21 is fixed. This electroscope tip 22 is made of an insulating material. Reference numeral 23 is a main body of the voltage detector, and 24 is a grip portion. At the tip 21 of the voltage detector,
A connecting portion is configured to be detachably attached to the electroscope main body 23.
【0018】すなわち、検電器先端部22には、挿入側
接続部25が構成されており、スプリング25aにより
常時外側に付勢されているボール25bが取り付けられ
ている。このボール25bの一部は、挿入側接続部25
の表面から突き出ている。一方、検電器本体23には有
底円筒形状の受け側接続部26が構成されており、受側
接続部26の内面の所定の位置には、挿入側接続部25
の表面から突き出た前記ボール25aの部分と合致する
凹部26aが構成されている。挿入側接続部25と受け
側接続部26は、共に絶縁材料により形成されている。
挿入側接続部25を受け側接続部26に挿入すると、検
電器先端部22は検電器本体23と一体となり、ボール
25bによりロックされる。That is, the insertion-side connecting portion 25 is formed at the tip portion 22 of the voltage detector, and the ball 25b which is always biased to the outside by the spring 25a is attached. A part of the ball 25b is provided on the insertion side connecting portion 25.
Protruding from the surface of. On the other hand, the electroscope main body 23 is provided with a bottomed cylindrical receiving-side connecting portion 26, and the inserting-side connecting portion 25 is provided at a predetermined position on the inner surface of the receiving-side connecting portion 26.
The recess 26a is formed so as to coincide with the portion of the ball 25a protruding from the surface. The insertion-side connecting portion 25 and the receiving-side connecting portion 26 are both made of an insulating material.
When the insertion-side connecting portion 25 is inserted into the receiving-side connecting portion 26, the detector end portion 22 is integrated with the detector main body 23 and is locked by the ball 25b.
【0019】27は入力抵抗、28は前記入力抵抗に直
列に接続された検出抵抗である。入力抵抗の一方の端子
は検電子21の一端に接続され、検出抵抗28の一方の
端子は挿入側第1接点29に接続されている。また、入
力抵抗27と検出抵抗28の接続点は、挿入側第2接点
30に接続されている。これら挿入側第1接点29,挿
入側第2接点30は、挿入側接続部25の先端面に設け
られている。Reference numeral 27 is an input resistance, and 28 is a detection resistance connected in series with the input resistance. One terminal of the input resistor is connected to one end of the detector 21, and one terminal of the detection resistor 28 is connected to the insertion-side first contact 29. The connection point between the input resistor 27 and the detection resistor 28 is connected to the insertion-side second contact 30. The insertion-side first contact 29 and the insertion-side second contact 30 are provided on the tip surface of the insertion-side connecting portion 25.
【0020】31は受け側第1接点であり、内部電子基
板のアース端子T2に接続されている。32は受け側第
2接点である。検電器先端部22が検電器本体23に取
り付けられると、挿入側第1接点29は受け側第1接点
31と電気的に接続され、挿入側第2接点30は受け側
第2接点32と電気的に接続される。Reference numeral 31 is a receiving-side first contact, which is connected to the ground terminal T2 of the internal electronic board. 32 is a receiving-side second contact. When the tip 22 of the voltage detector is attached to the body 23 of the voltage detector, the first contact 29 on the insertion side is electrically connected to the first contact 31 on the receiving side, and the second contact 30 on the insertion side is electrically connected to the second contact 32 on the receiving side. Connected.
【0021】33は増幅部であり、検出抵抗28におけ
る電圧降下量を増幅し出力する。34は処理部であり、
検電結果に応じた表示を表示部35に表示させるための
表示部駆動信号を生成し出力する。An amplifier 33 amplifies and outputs the voltage drop amount in the detection resistor 28. 34 is a processing unit,
A display drive signal for causing the display 35 to display a display corresponding to the result of power detection is generated and output.
【0022】この実施例では、検電器先端部22を交換
する際に検電器先端部2の挿入側接続部12を検電器本
体3側の受け側接続部13に押し込むだけでよいので、
検電器先端部22を交換する際の作業性が向上する。In this embodiment, when the tip portion 22 of the voltage detector is replaced, it is sufficient to push the insertion side connecting portion 12 of the tip portion 2 of the voltage detector into the receiving side connecting portion 13 of the body 3 of the voltage detector.
Workability at the time of exchanging the tip portion 22 of the voltage detector is improved.
【0023】以上説明した実施例は検電をおこなうため
のものであるが、図5に示すように、検電子21にサー
ミスタ40を埋め込み、検電子21を介して充電部等の
温度を検出するようにしてもよい。この場合には、挿入
側第3接点41,受け側第3接点42が設けられ、さら
にサーミスタ40で検出した温度情報の処理部43、温
度情報の表示部44を設ける。Although the embodiment described above is for detecting electricity, as shown in FIG. 5, the thermistor 40 is embedded in the detector 21, and the temperature of the charging part or the like is detected via the detector 21. You may do it. In this case, the insertion-side third contact 41 and the receiving-side third contact 42 are provided, and further, a processing unit 43 for the temperature information detected by the thermistor 40 and a display unit 44 for the temperature information are provided.
【0024】さらに、サーミスタ40の代りに半導体あ
るいはピエゾ効果を利用した振動検出センサを用いるこ
とにより、振動を検出し表示することも出来る。Further, it is possible to detect and display the vibration by using a semiconductor or a vibration detecting sensor utilizing the piezo effect instead of the thermistor 40.
【0025】図6(a)に、検電器の回路図、図6
(b)に直流検電器の回路図、図6(c)に振動計とし
て用いた場合の回路図、図6(d)に誘導判別検電器の
回路図、図6(e)に温度計として用いた場合の回路図
を示す。FIG. 6A is a circuit diagram of the voltage detector, FIG.
6B is a circuit diagram of a DC voltage detector, FIG. 6C is a circuit diagram when used as a vibration meter, FIG. 6D is a circuit diagram of an induction discrimination voltage detector, and FIG. 6E is a thermometer. The circuit diagram when used is shown.
【0026】[0026]
【考案の効果】以上のように、この考案によれば、検電
子に被検電部の電位に応じた検出抵抗が接続され、被検
電部の電位に拘らず一定範囲の検出信号を出力する複数
種類の 検電器先端部と、それら検電器先端部に着脱自在
に構成され、その検出された一定範囲の検出信号に応じ
て被検電部の死活を検出する検電器本体とを設けるよう
に構成したので、検電器を被検電部の電圧の大きさに応
じて交換する必要がなく、検電器先端部のみを交換すれ
ばよく、検電器先端部以外の部分は同一のものを使用す
ることができるので、検電器先端部以外については製造
する際に統一化することができ、さらに開発および製造
に要する費用を削減し、また、作業能率の向上をはかる
ことができる。[Effect of the Invention] As described above, according to this invention,
A detection resistor according to the potential of the test part is connected to the child
Multiple output of a certain range of detection signals regardless of the electric potential of the electric part
Types of voltage detector tips and detachable to the voltage detector tips
Depending on the detected signal within a certain range
The main body of the voltage detector that detects the life and death of the part to be detected.
Since it is configured as
It is not necessary to replace the
Use the same parts except the tip of the voltage detector.
Can be manufactured, except for the tip of the voltage detector.
Can be unified when further development and manufacturing
The cost required for work and improve work efficiency
You can
【図1】第1実施例の検電器の構造を示す正面図であ
る。FIG. 1 is a front view showing the structure of a voltage detector according to a first embodiment.
【図2】第1実施例の検電器の構造を示す断面図であ
る。FIG. 2 is a cross-sectional view showing the structure of the voltage detector of the first embodiment.
【図3】第2実施例の検電器の構造を示す断面図であ
る。FIG. 3 is a sectional view showing a structure of a voltage detector according to a second embodiment.
【図4】第3実施例の検電器の構造を示す断面図であ
る。FIG. 4 is a sectional view showing the structure of a voltage detector according to a third embodiment.
【図5】温度を検出することのできる検電器の構造を示
す断面図である。FIG. 5 is a cross-sectional view showing the structure of a voltage detector capable of detecting temperature.
【図6】他の用途で用いる場合の回路図である。FIG. 6 is a circuit diagram when used for another purpose.
【図7】従来の検電器の構造を示す断面図である。FIG. 7 is a cross-sectional view showing the structure of a conventional voltage detector.
1 検電子 2 検電器先端部 3 検電器本体 6 オネジ側接続部(接続部) 7 メネジ側接続部(接続部) 9,33 増幅部 10,34 処理部 11,35 表示部 12 挿入側接続部(接続部) 13 受け側接続部(接続部) 8,28 検出抵抗 DESCRIPTION OF SYMBOLS 1 Electron detector 2 Tip part of electroscope 3 Main body of electroscope 6 Male screw side connecting part (connecting part) 7 Female screw side connecting part (connecting part) 9,33 Amplifying part 10,34 Processing part 11,35 Display part 12 Inserting side connecting part (Connecting part) 13 Receiving side connecting part (Connecting part) 8,28 Detection resistor
Claims (1)
れ、且つ検電子にその被検電部の電位に応じた検出抵抗
が接続され、検電子を被検電部に接触させることにより
それら被検電部の電位に拘らず一定範囲の検出信号を出
力する検電器先端部と、増幅部,処理部及び表示部によ
り成され、且つ上記複数種類の検電器先端部に着脱自在
に構成され、その検電器先端部によって検出された一定
範囲の検出信号に応じて上記被検電部の死活を検出する
検電器本体とを備えた検電器。1. A plurality of types are provided according to the potential of a portion to be tested.
And the detection resistance according to the electric potential of the tested part
Is connected and the tester contacts the test part
Outputs a detection signal within a certain range regardless of the potentials of the tested parts.
The tip of the voltage detector to be applied and the amplifier, processor and display
It is formed and can be attached to and detached from the tip of the above-mentioned multiple types of voltage detectors.
A constant detected by its electroscope tip
Detects the life and death of the above-mentioned electric part to be detected according to the detection signal of the range
A voltage detector with a voltage detector body .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993039149U JPH089645Y2 (en) | 1993-05-28 | 1993-05-28 | Voltage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993039149U JPH089645Y2 (en) | 1993-05-28 | 1993-05-28 | Voltage detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0687882U JPH0687882U (en) | 1994-12-22 |
| JPH089645Y2 true JPH089645Y2 (en) | 1996-03-21 |
Family
ID=12545059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1993039149U Expired - Lifetime JPH089645Y2 (en) | 1993-05-28 | 1993-05-28 | Voltage detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH089645Y2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004271308A (en) * | 2003-03-07 | 2004-09-30 | Chubu Seiki Co Ltd | Electroscope |
| JP6366394B2 (en) * | 2014-07-15 | 2018-08-01 | 日置電機株式会社 | Voltage detector |
| JP6770879B2 (en) * | 2016-11-22 | 2020-10-21 | 中部精機株式会社 | AC / DC voltage detector |
| KR101953070B1 (en) * | 2018-10-12 | 2019-02-27 | 한전케이피에스 주식회사 | Detachable Electrode |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0248872U (en) * | 1988-09-29 | 1990-04-04 | ||
| JPH0720613Y2 (en) * | 1989-01-25 | 1995-05-15 | 日本捻廻株式会社 | driver |
-
1993
- 1993-05-28 JP JP1993039149U patent/JPH089645Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0687882U (en) | 1994-12-22 |
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