JPH065643Y2 - High voltage charge indicator - Google Patents
High voltage charge indicatorInfo
- Publication number
- JPH065643Y2 JPH065643Y2 JP1987012773U JP1277387U JPH065643Y2 JP H065643 Y2 JPH065643 Y2 JP H065643Y2 JP 1987012773 U JP1987012773 U JP 1987012773U JP 1277387 U JP1277387 U JP 1277387U JP H065643 Y2 JPH065643 Y2 JP H065643Y2
- Authority
- JP
- Japan
- Prior art keywords
- band
- voltage charging
- cable
- liquid crystal
- voltage
- 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
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は，液晶表示素子を利用した高圧充電表示器に関
するものである。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a high-voltage charging display using a liquid crystal display element.
従来高圧電気設備の点検や工事を行う際に，ケーブルな
どが充電中か停電中かを知るため液晶表示素子を利用し
た高圧充電表示器が使用されている。Conventionally, when inspecting or performing work on high-voltage electrical equipment, a high-voltage charging indicator that uses a liquid crystal display element has been used to know whether a cable or the like is being charged or a power failure.
この高圧充電表示器を短期間使用する場合において，ケ
ーブルに容易に着脱できる構造を有するものが要望され
ており，その要望に応ずるものとして，金属平バネを半
円筒状に屈曲し，その弾力でケーブルを挾持する部品を
取付けた高圧充電表示器が製作されている。When this high-voltage charging indicator is used for a short period of time, there is a demand for a structure that can be easily attached to and detached from the cable. As a response to that request, a metal flat spring is bent into a semi-cylindrical shape and its elasticity is used. A high-voltage charging indicator with components to hold the cable is manufactured.
上記の高圧充電表示器では，上記半円筒状の挾持部品を
ケーブルの外径に合わせて選別する煩わしさを有し，ま
た銅帯には取付けられないなどの不便さがあった。The above-mentioned high-voltage charging indicator has the inconvenience of having to select the above-mentioned semi-cylindrical holding parts according to the outer diameter of the cable and cannot be attached to the copper band.
本考案は，上記従来の問題点を解決しうる高圧充電表示
器を提供しようとするものである。The present invention is intended to provide a high voltage charging indicator that can solve the above-mentioned conventional problems.
以下図面にもとづいて本考案を詳細に説明すると(1)は
高圧充電を表示する液晶表示素子で，「充電中」の文字
などからなる充電表示用セグメントが点灯するように構
成されている。(5)は液晶表示素子(1)の一方の電極，
(6)は液晶表示素子(1)の他方の電極，(7)は放電用電極
板で，電極(5)を接続してある。(8)は液晶表示素子(1)
の表面から放電用電極板(7)の周縁にかけて被う透明カ
プセル，(9)は透明カプセル(8)の表面周辺部から側方部
分にかけて被うケーシング，(10)はケーシング(9)の裏
面を被う裏蓋で、これらケーシング(9)及び裏蓋(10)は
プラスチックなどの絶縁材で成形してある。(11)は裏蓋
(10)の中心部に設けた凹部，12は凹部(11)に嵌合固定し
たコネクタで，ねじ孔(13)とケーシング(9)内へ突出さ
せたねじボルト(14)とを有する。(15)はリード線で，一
端を電極(6)に接続し，他端をねじボルト(14)に嵌合
し，ナット(16)で締め付けてある。(17)は高圧電路のケ
ーブル，銅帯などの高圧充電部に巻付けるバンドで，半
導電性を有し，その中間部分を裏蓋(10)に重合し，この
重合部分からコネクタ12のねじ孔(13)へねじボルト(18)
をねじ込むことにより裏蓋(10)に取付けてある。19はね
じボルト(18)とバンド(17)の間に介在させた座金，(2
0)，(21)はバンド(17)の両端部分において互いに反対側
のバンド面に取付けた面ファスナーである。The present invention will be described in detail below with reference to the drawings. (1) is a liquid crystal display element for displaying high-voltage charging, and a charging display segment composed of characters such as "charging" is illuminated. (5) is one electrode of the liquid crystal display element (1),
(6) is the other electrode of the liquid crystal display element (1), and (7) is a discharge electrode plate to which the electrode (5) is connected. (8) is a liquid crystal display element (1)
The transparent capsule covering the surface of the electrode from the periphery of the discharge electrode plate (7), (9) the casing covering the surface of the transparent capsule (8) to the side, and (10) the back surface of the casing (9). The casing (9) and the case back (10) are molded with an insulating material such as plastic. (11) is the back cover
A concave portion 12 provided in the center of the (10) is a connector fitted and fixed in the concave portion (11), and has a screw hole (13) and a screw bolt (14) protruding into the casing (9). (15) is a lead wire, one end of which is connected to the electrode (6), the other end of which is fitted with a screw bolt (14) and which is tightened with a nut (16). (17) is a band to be wound around a high-voltage charging part such as a cable of a high-voltage path or a copper band, which has semiconductivity, the middle part of which is superposed on the back cover (10), and the screw of connector 12 Hole (13) to screw bolt (18)
It is attached to the back cover (10) by screwing. 19 is a washer interposed between the screw bolt (18) and the band (17), (2
Reference numerals 0) and (21) are hook-and-loop fasteners attached to the opposite band surfaces at both ends of the band (17).
〔作用〕 次に，上記の構成よりなる高圧充電表示器の作用を説明
すると，バンド(17)を例えば第５図及び第６図示のよう
に高圧絶縁ケーブル(22)の任意の個所に巻付け，面ファ
スナー(20)，(21)を係合させることにより，高圧充電表
示器の全体をケーブル(22)に固定する。[Operation] Next, the operation of the high-voltage charging indicator having the above-described configuration will be described. The band (17) is wound around an arbitrary portion of the high-voltage insulated cable (22) as shown in FIGS. 5 and 6, for example. , The entire high voltage charging indicator is fixed to the cable (22) by engaging the surface fasteners (20) and (21).
この状態において、停電中であれば，液晶表示素子(1)
のセグメントは点灯しないが，ケーブル(22)が充電中で
あれば，ケーブル(22)の導電部と半導電性のバンド(17)
の間にケーブル(22)の絶縁部がはさまれて静電容量が構
成され，ケーブル(22)の導電部から上記静電容量を通し
て微少電流が流れる。その微少電流が半導電性のバンド
(17)によって集電された後，座金(19)，ねじボルト(1
8)，コネクタ12，リード線(15)，電極(6)を通って液晶
表示素子(1)に供給される。すると、第７図示のように
「充」，「電」，「中」などの文字からなるセグメント
(2)，(3)，(4)が点灯し，「充電中」の文字などが透明
カプセル(8)を通してはっきりと見られる。液晶表示素
子(1)に供給された電流は，電極(5)を経て，放電用電極
板(7)に流れ，電荷が空中に放電される。In this state, if there is a power failure, the liquid crystal display element (1)
Segment does not light up, but if the cable (22) is charging, the conductive part of the cable (22) and the semi-conductive band (17)
The insulating portion of the cable (22) is sandwiched between them to form a capacitance, and a minute current flows from the conductive portion of the cable (22) through the capacitance. A band whose semi-conductive current is a minute current
After collecting electricity by (17), washers (19), screw bolts (1
It is supplied to the liquid crystal display element (1) through 8), the connector 12, the lead wire (15), and the electrode (6). Then, as shown in Fig. 7, a segment consisting of characters such as "char", "den", and "medium".
(2), (3), (4) are lit, and the characters such as "charging" are clearly visible through the transparent capsule (8). The current supplied to the liquid crystal display element (1) flows through the electrode (5) to the discharge electrode plate (7), and the electric charge is discharged into the air.
なお，ケーブル(22)の導電部と半導電性のバンド(17)の
間の静電容量は約15PF〜30PFと微少であるが，この静電
容量を有しない従来品における放電用電極板(7)と大地
の間の静電容量は，約２〜3PFとさらに小さく，仮にこ
の静電容量2PFに本考案における前記静電容量15PFが直
列に入ったとした場合の静電容量の低下は， であり，約１２％の低下であるから，高圧充電表示器の
実用面では差支えない。The capacitance between the conductive part of the cable (22) and the semi-conductive band (17) is about 15PF to 30PF, which is very small, but the discharge electrode plate ( The capacitance between 7) and the ground is as small as about 2 to 3 PF. If the capacitance 15 PF of the present invention is connected in series to this capacitance 2 PF, the reduction in capacitance is: Since this is a decrease of about 12%, there is no problem in practical use of the high voltage charging display.
バンド(17)を銅帯に巻付けた場合には，バンド(17)の半
導電性の抵抗を通して，液晶表示素子(1)に電流が供給
される。When the band (17) is wound around a copper band, a current is supplied to the liquid crystal display element (1) through the semiconductive resistance of the band (17).
液晶表示素子(1)には，例えば第８図示のように「停電
確認」と「検電せよ」の文字からなる検電指示表示(2
9)，(30)を印刷した反射板(31)と，第９図示のように
「充」，「電」，「中」の文字からなるセグメント
(2)，(3)，(4)と，上記各検電指示表示(29)，(30)を遮
閉するマークからなるセグメント(33)，(34)を設けた液
晶板(35)とを偏光板を介して重ねておき，ケーブル(22)
が停電中であれば，透明カプセル(8)を通して検電指示
表示(29)，(30)の文字が見られ，ケーブル(22)が充電中
であれば，セグメント(2)，(3)，(4)が点灯すると同時
に，セグメント(33)，(34)が点灯して，「充電中」の文
字が透明カプセル(8)を通して見られ，検電指示表示(2
9)，(30)は遮閉マークによってかくされるように構成し
たものを使用することもある。充電表示用セグメントに
は，「充電中」の文字のほか「通電中」などの文字や，
それらの文字に対応するシンボルマークなどを適宜採用
しうる。The liquid crystal display element (1) has a power detection instruction display (2
Reflector plate (31) with 9) and (30) printed on it, and a segment consisting of the characters "charging", "electricity", and "medium" as shown in FIG.
(2), (3) and (4), and a liquid crystal plate (35) provided with segments (33) and (34) consisting of marks for blocking the above-mentioned respective electric power detection instruction displays (29) and (30) Cable (22)
If there is a power outage, the characters of the indication indication (29), (30) can be seen through the transparent capsule (8), and if the cable (22) is being charged, the segments (2), (3), At the same time as (4) lights up, the segments (33) and (34) also light up, the word "charging" can be seen through the transparent capsule (8), and the voltage detection indication (2
9) and (30) may use the one configured so as to be hidden by the shielding mark. In the charging display segment, characters such as "charging" as well as "charging" and
A symbol mark or the like corresponding to those characters can be appropriately adopted.
バンド(17)は，半導電性を有するバンドのほか導電性の
バンドを使用することもあり，半導電性のバンドとして
は，例えば表面抵抗があり１０５Ω〜１０６Ω程度の半
導電性ゴム23と，表面抵抗が１０１０Ω以上の絶縁性ゴ
ム(24)の二重構造のバンドを使用し，ケーブル(22)など
の高圧充電部に接触させるバンド面が半導電性ゴム23に
なるように裏蓋(10)へ固定する。バンド(17)のうち裏蓋
(10)に重合する部分には，ケーブルの側面に押し当てる
溝(25)と，ひもなどを通す孔(26)を有する取付板(27)を
ビス(28)により取付けてあり，ケーブル(22)に長期間高
圧充電表示器を取付けておく場合には，バンド(17)をケ
ーブル(22)に巻付け，さらに孔(26)にひもなどを通し，
そのひもをケーブル(22)に巻付ける。バンド(17)はケー
ブル(22)のほか第１０図示のように銅帯(32)その他の高
圧充電部へ巻付けることもある。電極(6)のバンド(17)
に対する電気的接続には、上記手段以外の各種手段を採
用しうる。本考案は，バンド(17)に限らず，第１１図示
のように導電線(36)に絶縁被覆(37)を施したバインド線
(38)の端部に端子金具(39)を接続し，その端子金具(39)
を第４図に示したコネクタ12へねじボルト(18)で電気的
に接続し，第１２図示のようにケーブル(22)などへ巻付
けることもあり，その他ケーブル，銅帯などの高圧充電
部に巻付けるのに敵し，かつ導電性又は半導電性を有す
る各種の巻付け部品を採用しうる。As the band (17), a conductive band may be used in addition to a semiconductive band. As the semiconductive band, for example, there is a surface resistance and a semiconductive property of about 10 5 Ω to 10 6 Ω. A double-structured band of rubber 23 and insulating rubber (24) with a surface resistance of 10 10 Ω or more is used, and the band surface that comes into contact with the high-voltage charging part of the cable (22) becomes the semi-conductive rubber 23. Fix it to the case back (10). Outer cover of the band (17)
At the portion that overlaps with (10), a mounting plate (27) having a groove (25) to be pressed against the side surface of the cable and a hole (26) through which a string or the like is passed is attached by a screw (28), and the cable (22 ), The band (17) is wound around the cable (22), and a string is passed through the hole (26).
Wrap the string around the cable (22). In addition to the cable (22), the band (17) may be wound around the copper band (32) and other high voltage charging parts as shown in FIG. Electrode (6) Band (17)
Various means other than the above-mentioned means can be adopted for the electrical connection to the. The present invention is not limited to the band (17), but the bind wire in which the conductive wire (36) is provided with the insulating coating (37) as shown in the eleventh illustration.
Connect the terminal fitting (39) to the end of (38), and connect the terminal fitting (39).
May be electrically connected to the connector 12 shown in Fig. 4 with screw bolts (18) and wound around the cable (22) as shown in Fig. 12, and other high voltage charging parts such as cables and copper strips. It is possible to employ various winding parts which are electrically conductive or semi-conductive, and which are suitable for being wound around.
本考案は，叙上のように構成したから，外径の異なる各
ケーブルや銅帯などの高圧充電部にバンドを巻付けるこ
とにより，高圧充電表示器を簡単に限定でき，しかもバ
ンドが高圧充電部から集電して液晶表示素子を点灯させ
るので，バンド以外に高圧充電部へ電気的に接続する部
品を設ける必要がなく，それだけ構造が簡単で，高圧充
電部に対する高圧充電表示器の取付作業が容易になる。
特に巻付け部品に半導電性のものを使用すれば，高圧充
電部への取付け時や取付け後の安全をはかれる。Since the present invention is configured as described above, the high-voltage charging indicator can be easily limited by winding the band around the high-voltage charging part such as cables or copper bands having different outer diameters, and the band can be charged by high-voltage. Since the liquid crystal display element is turned on by collecting electricity from the part, it is not necessary to provide any part other than the band to electrically connect to the high-voltage charging part, and the structure is simple, and the high-voltage charging display is attached to the high-voltage charging part. Will be easier.
In particular, if you use semi-conductive winding parts, you can ensure safety during and after installation in the high-voltage charging section.
図面は本考案の実施例を示すもので，第１図は正面図，
第２図は平面図，第３図は背面図，第４図は断面図，第
５図は高圧充電表示器をケーブルへ取付けた状態の平面
図，第６図は同状態の側面図，第７図は液晶表示素子が
点灯した状態を示す図，第８図は液晶表示素子に組込む
検電指示表示の一例を示す図，第９図は充電表示用セグ
メントの一例を示す図，第１０図は高圧充電表示器を銅
帯へ取付けた状態の平面図，第１１図は巻付け部品の変
更例を示す図，第１２図は同変更例により高圧充電表示
器をケーブルに取付けた状態の側面図である。 (1)……液晶表示素子，(5)……一方の電極，(6)……他
方の電極，(17)……バンド。The drawings show an embodiment of the present invention. FIG. 1 is a front view,
FIG. 2 is a plan view, FIG. 3 is a rear view, FIG. 4 is a cross-sectional view, FIG. 5 is a plan view showing a state in which a high-voltage charging indicator is attached to a cable, and FIG. 6 is a side view showing the same state. FIG. 7 is a diagram showing a state where the liquid crystal display element is turned on, FIG. 8 is a diagram showing an example of a power detection instruction display incorporated in the liquid crystal display element, FIG. 9 is a diagram showing an example of a segment for charge display, and FIG. Is a plan view of the high-voltage charging indicator attached to the copper strip, FIG. 11 is a diagram showing a modified example of the winding parts, and FIG. 12 is a side view of the modified high-voltage charging indicator attached to the cable. It is a figure. (1) …… Liquid crystal display element, (5) …… One electrode, (6) …… Other electrode, (17) …… Band.
Claims (1)
構成された液晶表示素子の一方の電極を放電用電極板に
電気的に接続し、他方の電極を高圧充電部へ電気的に接
続する高圧充電表示器において、高圧絶縁ケーブルに巻
き付けるバンドを取付け、このバンドの両面のうち、高
圧絶縁ケーブルに接触するバンド面を半導電性とし、絶
縁ケーブルの導電部とバンドの間にケーブルの絶縁部が
はさまれて構成される静電容量を通して上記液晶表示素
子に微小電流を供給することを特徴とする高圧充電表示
器。1. An electrode of a liquid crystal display device configured to display high voltage charging by applying a high voltage is electrically connected to a discharge electrode plate, and the other electrode is electrically connected to a high voltage charging unit. In the high-voltage charging indicator, attach a band to wrap around the high-voltage insulated cable, and make the surface of the band that contacts the high-voltage insulated cable semi-conductive, and make the insulation part of the cable between the conductive part of the insulated cable and the band. A high-voltage charging display characterized in that a minute current is supplied to the liquid crystal display element through an electrostatic capacity that is sandwiched between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987012773U JPH065643Y2 (en) | 1987-02-02 | 1987-02-02 | High voltage charge indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987012773U JPH065643Y2 (en) | 1987-02-02 | 1987-02-02 | High voltage charge indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63122269U JPS63122269U (en) | 1988-08-09 |
| JPH065643Y2 true JPH065643Y2 (en) | 1994-02-09 |
Family
ID=30801213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987012773U Expired - Lifetime JPH065643Y2 (en) | 1987-02-02 | 1987-02-02 | High voltage charge indicator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH065643Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012163394A (en) * | 2011-02-04 | 2012-08-30 | Hitachi Electric Systems Ltd | Non-contact voltage detector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6035275A (en) * | 1983-08-05 | 1985-02-23 | Meisei Electric Co Ltd | High voltage detector |
-
1987
- 1987-02-02 JP JP1987012773U patent/JPH065643Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63122269U (en) | 1988-08-09 |
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