JPH03130529U - - Google Patents
Info
- Publication number
- JPH03130529U JPH03130529U JP3981090U JP3981090U JPH03130529U JP H03130529 U JPH03130529 U JP H03130529U JP 3981090 U JP3981090 U JP 3981090U JP 3981090 U JP3981090 U JP 3981090U JP H03130529 U JPH03130529 U JP H03130529U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- sensitive resistance
- resistance element
- exclusive
- gate
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Description
第１図は本考案の断線検出回路の回路図であり
、第２図はスイツチング素子をＰ型ＭＯＳトラン
ジスタで構成した本考案の断線検出回路の回路図
であり、第３図は従来の温度検出回路を示す回路
図である。
１０１……定電流回路、１０２……抵抗、１０
４……感温抵抗素子、１０５……スイツチング素
子、１０６……排他的論理和ゲート。
Figure 1 is a circuit diagram of a disconnection detection circuit of the present invention, Figure 2 is a circuit diagram of a disconnection detection circuit of the present invention in which the switching element is a P-type MOS transistor, and Figure 3 is a circuit diagram of a conventional temperature detection circuit. It is a circuit diagram showing a circuit. 101...constant current circuit, 102...resistance, 10
4... Temperature-sensitive resistance element, 105... Switching element, 106... Exclusive OR gate.
Claims (1)
続された抵抗と、前記抵抗の両端に接続されたス
イツチング素子と、前記感温抵抗素子および前記
抵抗に一定電流を供給する定電流回路と、排他的
論理和ゲートとから構成され、前記排他的論理和
ゲートは前記スイツチング素子の制御信号と同一
の制御信号により制御されると同時に、前記感温
抵抗素子と前記抵抗との接続点の電圧が前記排他
的論理和ゲートに入力されることを特徴とする感
温抵抗素子の断線検出回路。 a temperature-sensitive resistance element, a resistor connected in series to the temperature-sensitive resistance element, a switching element connected to both ends of the resistance, and a constant current circuit that supplies a constant current to the temperature-sensitive resistance element and the resistor. , and an exclusive OR gate, and the exclusive OR gate is controlled by the same control signal as the control signal of the switching element, and at the same time controls the voltage at the connection point between the temperature sensitive resistance element and the resistor. is input to the exclusive OR gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3981090U JPH03130529U (en) | 1990-04-13 | 1990-04-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3981090U JPH03130529U (en) | 1990-04-13 | 1990-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03130529U true JPH03130529U (en) | 1991-12-27 |
Family
ID=31549042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3981090U Pending JPH03130529U (en) | 1990-04-13 | 1990-04-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03130529U (en) |
-
1990
- 1990-04-13 JP JP3981090U patent/JPH03130529U/ja active Pending
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