TW452651B - Current detector and current measurement apparatus including such detector - Google Patents
Current detector and current measurement apparatus including such detector Download PDFInfo
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- TW452651B TW452651B TW088112772A TW88112772A TW452651B TW 452651 B TW452651 B TW 452651B TW 088112772 A TW088112772 A TW 088112772A TW 88112772 A TW88112772 A TW 88112772A TW 452651 B TW452651 B TW 452651B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
- G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/30—Structural combination of electric measuring instruments with basic electronic circuits, e.g. with amplifier
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Control Of Electric Motors In General (AREA)
- Protection Of Generators And Motors (AREA)
Description
45 — 45 — 經濟部智慧財產局員工消费合作社印製 A7 ________B7__;___ 五、發明說明(1 ) 本發明有關於一電流檢測器,經設計為用於一電 器中,諸如一剩餘電流探測裝置,一電流錶或一電力 錄。 本發明之目的係在提供一電流檢測器呈一經濟形 態。 依照本發明,特提供有一電流檢測器,它包含一 金屬連桿構件,此構件有導電性物質之兩個終端部分 和一中間部分與此終端部分互連,該中間部分係由一 電阻性物質形成’以及一積體電路類比至數位變換器 安裝於該速桿構件上’該變換器有類比輪入接頭經連 接至兩個終端部分之各自之一個上,以及數位輸出接 頭供連接至一處理裝置用。 傳統上,此變換器係藉一層電絕緣黏著材料而附 著於此中間部分,以及此變換器之類比輸入接頭係藉 引線接合而連接至終端部分。 此變換器適當地包括一增量一求和調制器,它提 供一高頻率之一位元數位數攄》一個或多個十進位濾 波級可以被包括於此變換器内。 此變換器亦可以有一基準電壓接頭供連接至一美 準電源用,此變換器操作以提供數位輸出信號分别地 代表流動通過該中間部分之電流,以及數位輸出信號 代表在該終端部分之一上之電屋。 在此附圖中: 第i圖係依照本發明之一電流檢測器之_範例之 本纸張尺度適用中國國家標準(CNS)A4規格(210 X 297公爱) 4 ----- - - ------· I I ! J —tr'- — i! (請先«讀背面之注意事項再填窝本頁) A7 B7 經濟部智慧財產局員K消費合作钍印製 電路 五、發明說明( 一透視圖; 第2圖係檢測器之一剖視圖; 第3圖係檢測器之一正視圖; 第4圖係用於此檢測器之一電路之一簡單形態之 方塊圖;以及 第5和6圖係電子電路之更複雜形態之方塊圖。 顯示於第1至第3圖之此檢測器包括一堅固複合導 體條’此條有兩個銅質之終端部分1 3和電阻性物質諸 如錳銅之一中間部分14。此等條係藉載剪由電子光束 焊接此銅質條至錳鋼條之反面所形成之夾層狀結構而 形成,此分絡由以此方法所製造之電阻性部分丨4所形 成者可以有一 0.2ΙΙ1Ω至少於5%之一公差之標稱電阻 。鄰接截剪形態之電阻此失層狀結構可以如2 %而差 異。 一信號預處理ASIC 15係藉—層電絕緣黏著劑“ 之裝置而安裝在錳銅部分14上。金屬引線17連接asic 之兩個類比輸入接頭至各自之一個銅f終端部分】3。 另一引線連接ASIC止之接頭至一引線框18之導體’ 其部分係經顯巾’ 一如第3圖内心,此asic,錳銅 分’金屬絲引線和引繞拖道擁、丄二 〉丨琛椎導體係均被包封於電絕緣 封裝材料之一分段1 9内供立保喝田 ^ 1世共保6蔓用。銅終端部分1 3之 相對端自此包封分段19伸出。 現在轉看第4圖,可見者g ^ 兄有即A SI C ] 3内之主分段包 含單一之增量…求和調制哭ο ., η化為亦有.一類比輸入 (CNDAd規格ί x四了公梦 -----— Ill — —— · -----—訂1!1111 ^^ {請先閱讀背面之注意事項再填寫本頁) as 265 1 A7
經濟部智慧財產局貝工消费合作社印製
有其輸入接頭連接至銅终端部分13。此ASIC ]5之輸 出在此一情況下包含一高頻率一位元數據信號列。使 用時,此ASIC輸出係經由一變壓器或其他隔離障壁22 而連接至一處理機23 »在此一配置中之處理和係經構 形以實施一個或多個十進位濾波操作以轉換此一位元 信號流成為一多位元數位值於一較低頻率時。 此處理機23可以典型地是經構形以自多個檢測器 接收信號,並求取這些信號之總和以確定流動通過此 導體之電流是否係平衡》如果一不平衡狀況係被發現 存在時,如此一配置可以使用於剩餘電流改正而容許 一致動器跳脫一開關。 此處理機23可選擇性地或額外地比較此瞬間電流 位準與一跳脫位準,俾使過流跳脫可以被控制。 在第5圖内所示之另一可供選擇實施例中,此 ASIC係更複雜,並包括一個或多個十進位濾波級2斗 ,以及一系列之輸出驅動器25以發送由濾波階段24所 產生之多位元數位信號之位元呈系列地呈此處理機。 以此一配置’處理機之構形可以簡化,由於十進位渡 波操作之部分或全部係在ASIC中實施。 在第6圖内所示之配置中,此ASIC有另一類比輪 入,它可以被連接至一基準電壓源。兩個類比輸入級 21a和21b係呈現以及這些進給信號至兩個獨立之增量 —求和調制器20a,20b »如圖所示,有兩個獨立之十 進位據波級2 2 a ’ 2 2 b用於兩個一位元數位信號流。級 --裝 (請先閲讀背面之注意事項再瑱寫本頁) tr': .缘. 本紙張尺度適用T s 0家標準(CNS)A4規格⑽χ 297公爱) 6 A7 --------I_ 五、發明說明(4 ) 22a,22b之輸出,如圖所示者,可以被連接至一共用 串列輸出級’或者圖中未顯示之個別串列輸出級亦可 提供。 至為顯明者,即第6圖之配置可以藉兩個濾波級 22a,22b之省略而調制,該處所有濾波係由處理機予 以實施。 在電壓以及電流係由處理機所監控的地方’分路 之精確校準可以達成。此將提供RCD應用中電流平衡 之更精確之測定。況且,當電壓和電流兩者係經監控 至一高位準之精確度時,精確之電力消耗計量亦可以 獲得。 在此處本發明之裝置係被使用於rcd和過流跳脫 系統中,必匕處理機可以經規劃以辨識可能發生之瞬間 於負載係轉入及轉出電路時以避免假跳脫。甚多其他 方便之功能可以規劃八此處理機内,由正在實施之高 精確度之電流測量能力使其成為可 -------------裝--------訂---------線 (諳先閲讀背面之注意事項再填寫本頁) 經濟部智t財產局員i消费合作、社巧敦
五、發明説明(5 ) A7 B7 元件.標號對照 13…終端部分 14…中間部分 15…信號預處理ASIC 16…絕緣黏著劑層 17…金屬絲引線 1 8…引線框 19…分段 2〇…增量—求和調制器 2 1 a,b…類比輸入級 22…隔離障壁 22a,b…十進位濾波級 2 3…處理機 24…十進位遽波級 25…輸出驅動器 <請先閲讀背面之注$項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS ) A4规格(210 X 297公釐)
Claims (1)
- ϋ1· · 4 οςοοοοβ 和BCD r'c? ^1 0/ 經濟部智慧財產局員工消費合作社印製六、申請專利範圍 第88112772號申請案申請專利範圍修正本 1. 一種電流檢測器,包含一堅固之金屬連桿構件,此 構件有導電性物質之兩個終端部分和一中間部分 互連此終端部分,該中間部分係由一電阻性物質形 成,以及一積體電路類比至數位變換器安裝於該連 桿構件上,該變換器有類比輸入接頭連接至兩個終 端部分之各自之-個上’以及數位輸出接頭供連接 至一處理裝置用》 2. 如申請專利範圍第1項之電流檢測器,其中此變換 器係藉一層電絕緣黏著劑之裝置而附著於此連桿 構件。 如申請專利範圍第2項之電流檢測器,其中此變換 器係附著於此中間部分。 如申請專利範圍第3項之電流檢測器,其中此變換 器之類比輸入接頭係藉引線結合之方式而連接至 終端部分。 如申請專利範圍第卜2、,.3.或4項之電流檢測器,其 中此變換器有一基準電壓接頭供連接至基準電壓 源用,以及該變換器操作以提供代表通過該中間部 分之電流之數位輸出信號,以及代表在終端部分之 一上之電屢之數位輸出信號。 如申請專利範圍第5項之電流檢測器,其中該變換 器包括一增量_求和調變器’它提供一高頻率之一 位元數位資料流。 本紙張尺度適用中國國家標準<CMS)A4規格(½ X 297公楚) — — — — — — — — — — 1- *1111111 ^ « — — — — Iflt I {請先閱讀背面之注意事項再填寫本頁) 9 45265 1 A8B8C8D8六、申請專利範圍 7. 如申請專利範圍第6項之電流檢測器,其中此變換 器亦包括一個或更多個十進位遽波級11 8. —種電流測量裝置,包括一個或更多個如申請專利 範圍第1項所述之電流檢測器,以及一處理機電路 經連接以接收並處理自該等電流檢測器所接收之 數位信號。 9. 如申請專利範圍第8項之電流測量裝置,其中此處 理機電路係被組構來實施一個或多個十進位濾波 操作於收到之數位信號上。 <請先閲讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製·· > 舍片' - ----— 1— 訂-------- * 線 本紙張尺度遶用中國國家標準(CNS)A4規格(210 X 297公釐) 10
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9813982.7A GB9813982D0 (en) | 1998-06-30 | 1998-06-30 | Residual current detection device |
Publications (1)
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TW452651B true TW452651B (en) | 2001-09-01 |
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ID=10834558
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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TW088112773A TW438979B (en) | 1998-06-30 | 1999-07-28 | Residual current detection device |
TW088112772A TW452651B (en) | 1998-06-30 | 1999-07-28 | Current detector and current measurement apparatus including such detector |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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TW088112773A TW438979B (en) | 1998-06-30 | 1999-07-28 | Residual current detection device |
Country Status (19)
Country | Link |
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US (2) | US6646430B1 (zh) |
EP (2) | EP1092160B1 (zh) |
JP (2) | JP4326699B2 (zh) |
KR (2) | KR20010071699A (zh) |
CN (2) | CN1161620C (zh) |
AT (2) | ATE253732T1 (zh) |
AU (2) | AU770898B2 (zh) |
CA (2) | CA2336015C (zh) |
DE (2) | DE69912611T2 (zh) |
DK (1) | DK1092158T3 (zh) |
ES (2) | ES2211106T3 (zh) |
GB (3) | GB9813982D0 (zh) |
HK (2) | HK1033693A1 (zh) |
MY (2) | MY126429A (zh) |
NZ (2) | NZ508909A (zh) |
PT (1) | PT1092158E (zh) |
TW (2) | TW438979B (zh) |
WO (2) | WO2000000833A1 (zh) |
ZA (2) | ZA200007592B (zh) |
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-
1998
- 1998-06-30 GB GBGB9813982.7A patent/GB9813982D0/en not_active Ceased
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1999
- 1999-06-30 WO PCT/GB1999/002053 patent/WO2000000833A1/en not_active Application Discontinuation
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- 1999-06-30 KR KR1020007015086A patent/KR20010071699A/ko not_active Application Discontinuation
- 1999-06-30 GB GB0102014A patent/GB2357156B/en not_active Expired - Fee Related
- 1999-06-30 EP EP99928140A patent/EP1092160B1/en not_active Expired - Lifetime
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- 1999-06-30 PT PT99928134T patent/PT1092158E/pt unknown
- 1999-06-30 DE DE69912611T patent/DE69912611T2/de not_active Expired - Lifetime
- 1999-06-30 CA CA002336015A patent/CA2336015C/en not_active Expired - Fee Related
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- 1999-06-30 AU AU45256/99A patent/AU770898B2/en not_active Ceased
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