JPS61143201U - - Google Patents
Info
- Publication number
- JPS61143201U JPS61143201U JP2500285U JP2500285U JPS61143201U JP S61143201 U JPS61143201 U JP S61143201U JP 2500285 U JP2500285 U JP 2500285U JP 2500285 U JP2500285 U JP 2500285U JP S61143201 U JPS61143201 U JP S61143201U
- Authority
- JP
- Japan
- Prior art keywords
- thermistor
- set temperature
- limit set
- energizing circuit
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Feedback Control In General (AREA)
- Control Of Temperature (AREA)
Description
図面は本考案の一実施例を示し、第１図は電気
回路図、第２図は各部の状態変化を示す波形図で
ある。
図中、２はコンプレツサ駆動回路、６は温度検
出回路、７はトランジスタ、９は第１の検出回路
、１３はサーミスタ、１２はコンパレータ、１７
はトランジスタ、２０は第２の検出回路、２３は
コンパレータ、２４はサーミスタ、２８はフリツ
プフロツプ回路、２９は切替制御回路である。
The drawings show an embodiment of the present invention, and FIG. 1 is an electric circuit diagram, and FIG. 2 is a waveform diagram showing changes in the state of each part. In the figure, 2 is a compressor drive circuit, 6 is a temperature detection circuit, 7 is a transistor, 9 is a first detection circuit, 13 is a thermistor, 12 is a comparator, 17
20 is a transistor, 20 is a second detection circuit, 23 is a comparator, 24 is a thermistor, 28 is a flip-flop circuit, and 29 is a switching control circuit.
Claims (1)
限設定温度を検出する様にしたものにおいて、一
方のサーミスタに基いて上限設定温度が検出され
たとき該一方のサーミスタへの通電回路を開放す
ると共に他方のサーミスタへの通電回路を閉成し
他方のサーミスタに基いて下限設定温度が検出さ
れたとき該他方のサーミスタへの通電回路を開放
すると共に前記一方のサーミスタへの通電回路を
閉成する切替制御回路を設けたことを特徴とする
温度検出回路。 In a device having two thermistors to detect an upper limit set temperature and a lower limit set temperature, when the upper limit set temperature is detected based on one thermistor, the energizing circuit to the one thermistor is opened and Switching that closes the energizing circuit to the other thermistor, and when the lower limit set temperature is detected based on the other thermistor, opens the energizing circuit to the other thermistor and closes the energizing circuit to the one thermistor. A temperature detection circuit characterized by being provided with a control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2500285U JPS61143201U (en) | 1985-02-22 | 1985-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2500285U JPS61143201U (en) | 1985-02-22 | 1985-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61143201U true JPS61143201U (en) | 1986-09-04 |
Family
ID=30519681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2500285U Pending JPS61143201U (en) | 1985-02-22 | 1985-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61143201U (en) |
-
1985
- 1985-02-22 JP JP2500285U patent/JPS61143201U/ja active Pending
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