JPS6279128U - - Google Patents
Info
- Publication number
- JPS6279128U JPS6279128U JP17156085U JP17156085U JPS6279128U JP S6279128 U JPS6279128 U JP S6279128U JP 17156085 U JP17156085 U JP 17156085U JP 17156085 U JP17156085 U JP 17156085U JP S6279128 U JPS6279128 U JP S6279128U
- Authority
- JP
- Japan
- Prior art keywords
- detection circuit
- temperature detection
- analog conversion
- input voltage
- conversion input
- 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 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Description
第１図イ，ロ，ハは本考案の一実施例による温
度検出回路の動作特性図、第２図は同Ａ／Ｄ変換
特性図、第３図は従来及び本考案の温度検出回路
の説明図である。
ＶＩＮ……アナログ変換の入力電圧、ＶＦ……
基準電圧、Ｔ……商用電源の周期。
Fig. 1 A, B, and C are operational characteristic diagrams of a temperature detection circuit according to an embodiment of the present invention, Fig. 2 is an A/D conversion characteristic diagram of the same, and Fig. 3 is an explanation of the conventional temperature detection circuit and the temperature detection circuit of the present invention. It is a diagram. VIN...Input voltage for analog conversion, VF...
Reference voltage, T...cycle of commercial power supply.
Claims (1)
変換する基準電圧ＶＦとサーミスタ温度により変
化するアナログ変換入力電圧ＶＩＮを加えてなる
温度検出回路において、アナログ変換入力電圧Ｖ
ＩＮの取込タイミングを商用電源の周期Ｔ又はそ
の１２に同期させたことを特徴とする温度検出回
路。 In a temperature detection circuit in which a reference voltage VF for converting an analog value to a digital value and an analog conversion input voltage VIN that changes depending on the thermistor temperature are applied to the input terminal of a control element, the analog conversion input voltage V
A temperature detection circuit characterized in that the timing at which IN is taken in is synchronized with the cycle T or 12 of a commercial power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17156085U JPS6279128U (en) | 1985-11-07 | 1985-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17156085U JPS6279128U (en) | 1985-11-07 | 1985-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6279128U true JPS6279128U (en) | 1987-05-20 |
Family
ID=31107297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17156085U Pending JPS6279128U (en) | 1985-11-07 | 1985-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6279128U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5013025A (en) * | 1973-06-05 | 1975-02-10 |
-
1985
- 1985-11-07 JP JP17156085U patent/JPS6279128U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5013025A (en) * | 1973-06-05 | 1975-02-10 |
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