Temperature detection device
The invention discloses a temperature detection device, which comprises a plurality of thermistors, a first end of each thermistor is electrically connected with a common contact; a voltage source directly electrically connected to the common contact; the plurality of temperature detection circuits...
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a temperature detection device, which comprises a plurality of thermistors, a first end of each thermistor is electrically connected with a common contact; a voltage source directly electrically connected to the common contact; the plurality of temperature detection circuits are electrically connected with the common connection end and the second ends of the corresponding thermistors respectively, and each temperature detection circuit comprises a voltage division circuit which comprises a first resistor and a second resistor, the first end of the first resistor is electrically connected with the common connection point, and the second end of the first resistor is electrically connected with the first end of the second resistor and the second end of the corresponding thermistor; the second end of the second resistor is grounded; the differential amplifier circuit comprises a first input end, a second input end and an output end, the first input end is electrically connected to the firs |
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