JPS61203323U - - Google Patents
Info
- Publication number
- JPS61203323U JPS61203323U JP1985087384U JP8738485U JPS61203323U JP S61203323 U JPS61203323 U JP S61203323U JP 1985087384 U JP1985087384 U JP 1985087384U JP 8738485 U JP8738485 U JP 8738485U JP S61203323 U JPS61203323 U JP S61203323U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- output voltage
- pressure
- detection means
- electronic scale
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例を示す回路図、第２
図ａとｂは第１図に示した圧電素子の正面図と平
面図、第３図は第１図に示した圧電素子への加圧
状態を示す断面図、第４図は第１図に示したＦＥ
Ｔの出力電圧を示すグラフである。
１はセンサー出力回路、２は圧電センサー、６
はＦＥＴ、７は出力抵抗、８は放電抵抗、９はリ
セツトスイツチ、１１は荷重検出回路、１２はマ
イクロコンピユーター、１３は表示回路である。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
Figures a and b are a front view and a plan view of the piezoelectric element shown in Figure 1, Figure 3 is a sectional view showing the state of applying pressure to the piezoelectric element shown in Figure 1, and Figure 4 is the same as that shown in Figure 1. FE shown
It is a graph which shows the output voltage of T. 1 is a sensor output circuit, 2 is a piezoelectric sensor, 6
7 is an output resistor, 8 is a discharge resistor, 9 is a reset switch, 11 is a load detection circuit, 12 is a microcomputer, and 13 is a display circuit.
Claims (1)
子が発生する出力電圧を検出して重量を測定する
電子秤であつて、圧電素子への加圧時点以後の少
なくとも２つの時点における上記圧電素子の出力
電圧を検出する荷重検出手段と、この荷重検出手
段からの出力信号により上記圧電素子への加圧時
点付近の圧電素子の出力電圧を計算し次段の表示
回路へ出力信号を送出する計算手段を備えたこと
を特徴とする電子秤。 ２ 上記荷重検出手段は、上記圧電素子への加圧
時点から２００ｍｓｅｃ経過以後の時点の圧電素
子の出力電圧を検出するものである実用新案登録
請求の範囲第１項記載の電子秤。[Claims for Utility Model Registration] 1. An electronic scale that measures weight by detecting the output voltage generated by a piezoelectric element due to the pressure applied from the load of the object to be measured, which weighs at least two times after applying pressure to the piezoelectric element. A load detection means for detecting the output voltage of the piezoelectric element at one point in time, and an output signal from the load detection means to calculate the output voltage of the piezoelectric element around the time when pressure is applied to the piezoelectric element, and send the output voltage to the next stage display circuit. An electronic scale characterized by comprising calculation means for sending out an output signal. 2. The electronic scale according to claim 1, wherein the load detection means detects the output voltage of the piezoelectric element after 200 msec has elapsed from the time when pressure is applied to the piezoelectric element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985087384U JPS61203323U (en) | 1985-06-10 | 1985-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985087384U JPS61203323U (en) | 1985-06-10 | 1985-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61203323U true JPS61203323U (en) | 1986-12-20 |
Family
ID=30639549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985087384U Pending JPS61203323U (en) | 1985-06-10 | 1985-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61203323U (en) |
-
1985
- 1985-06-10 JP JP1985087384U patent/JPS61203323U/ja active Pending