JPS5859218U - Load cell amplifier - Google Patents
Load cell amplifierInfo
- Publication number
- JPS5859218U JPS5859218U JP10394182U JP10394182U JPS5859218U JP S5859218 U JPS5859218 U JP S5859218U JP 10394182 U JP10394182 U JP 10394182U JP 10394182 U JP10394182 U JP 10394182U JP S5859218 U JPS5859218 U JP S5859218U
- Authority
- JP
- Japan
- Prior art keywords
- switch circuit
- load cell
- turned
- bridge
- circuit
- 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.)
- Granted
Links
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Amplifiers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のブリッジの偏差出力の増幅装置のブロッ
ク図、第２図はそれに温度などの影響で生ずる誤差起電
力を書き加えた回路ブロック図、第３図は本考案の一実
施例を示す回路ブロック図、第４図および第５図はそれ
ぞれ他の実施例を示す回路ブロック図、第６図はそのタ
イミングチャートである。
ＳＷｌ、ＳＷ４・・・第１のスイッチ、ＳＷ２．ＳＷ３
・・・第２および第３のスイッチ、Ａ・・・差動増幅器
、Ｃ□。
Ｃ２・・・コンデンサ。Fig. 1 is a block diagram of a conventional bridge deviation output amplification device, Fig. 2 is a circuit block diagram in which an error electromotive force caused by the influence of temperature etc. is added to it, and Fig. 3 is an example of an embodiment of the present invention. 4 and 5 are circuit block diagrams showing other embodiments, and FIG. 6 is a timing chart thereof. SWl, SW4...first switch, SW2. SW3
...Second and third switches, A...Differential amplifier, C□. C2... Capacitor.
Claims (1)
る第１のスイッチ回路を介して基準電圧をブリッジ回路
へ印加し、該ブリッジ回路の出力を差動増幅器に入力し
、該差動増幅器の出力端に、前記第１のスイッチ回路が
オンの期間中の部室時間オンする第２のスイッチ回路と
、前記第１のスイッチ回路がオフの期間中に部室時間オ
ンする第３のスイッチ回路とを接続し、これら第２のス
イッチ回路と第３のスイッチ回路のそれぞれの出力側に
蓄電のための第１、第２のコンデンサを結合し、第１、
第２のコンデンサ相互間の差電圧を出力電圧としたロー
ドセルの増幅装置。A bridge is configured with strain gauges, a reference voltage is applied to the bridge circuit through a first switch circuit that is repeatedly turned on and off, the output of the bridge circuit is input to a differential amplifier, and the output terminal of the differential amplifier is A second switch circuit that is turned on for the club room time while the first switch circuit is on, and a third switch circuit that is turned on for the club room time while the first switch circuit is off are connected. , first and second capacitors for power storage are coupled to the respective output sides of the second switch circuit and the third switch circuit, and
A load cell amplification device whose output voltage is a voltage difference between two second capacitors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10394182U JPS5859218U (en) | 1982-07-08 | 1982-07-08 | Load cell amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10394182U JPS5859218U (en) | 1982-07-08 | 1982-07-08 | Load cell amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5859218U true JPS5859218U (en) | 1983-04-21 |
| JPS633222Y2 JPS633222Y2 (en) | 1988-01-27 |
Family
ID=29898547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10394182U Granted JPS5859218U (en) | 1982-07-08 | 1982-07-08 | Load cell amplifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5859218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009153016A (en) * | 2007-12-21 | 2009-07-09 | Sanyo Electric Co Ltd | Ad converter |
-
1982
- 1982-07-08 JP JP10394182U patent/JPS5859218U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009153016A (en) * | 2007-12-21 | 2009-07-09 | Sanyo Electric Co Ltd | Ad converter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS633222Y2 (en) | 1988-01-27 |
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