Temperature detection device, method and electronic equipment
A technology of a temperature detection device and a temperature detection unit, which is applied to measuring devices, thermometers, and electric devices, etc., can solve problems such as increasing power consumption of electronic equipment, reducing battery life of electronic equipment, and reducing user experience, so as to improve experience and improve user experience. Battery life and the effect of reducing power consumption
Active Publication Date: 2022-02-18
OPPO CHONGQING INTELLIGENT TECH CO LTD
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[0002] In the related art, the resistance voltage division method is usually used for temperature detection, that is, the detection chip detects the temperature change by detecting the voltage division value of the resistance voltage division circuit. The voltage circuit has a leakage path to the ground, which increases the power consumption of electronic equipment, reduces the battery life of electronic equipment, and reduces the user experience
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[0030] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.
[0031] The temperature detection apparatus, method and electronic device according to the embodiments of the present invention will be described below with reference to the accompanying drawings.
[0032] figure 1 It is a schematic block diagram of a temperature detection apparatus according to an embodiment of the present invention. like figure 1 As shown, the temperature detection device 101 includes a temperature detection unit 102 and a detection chip 103 . The temperature detecti...
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The present invention provides a temperature detection device, method and electronic equipment, wherein the temperature detection device includes: a temperature detection unit, the power terminal of the temperature detection unit is connected to a power supply; a detection chip, the detection chip is connected to the temperature detection The detection terminal of the unit is connected to the ground terminal respectively, and the detection chip is used to control the ground terminal of the temperature detection unit to be intermittently connected to the reference ground, and when the ground terminal of the temperature detection unit is connected to the reference ground, through the The detection signal at the detection end of the temperature detection unit detects the temperature. Therefore, while ensuring temperature detection, it is possible to save electric energy, reduce power consumption caused by the temperature detection device, increase battery life of electronic equipment, and improve user experience.
Description
technical field [0001] The present invention relates to the technical field of electronic equipment, and in particular, to a temperature detection device, method and electronic equipment. Background technique [0002] In the related art, the temperature detection is usually carried out by means of resistance voltage division, that is, the detection chip detects the temperature change by detecting the voltage division value of the resistance voltage divider circuit. The voltage circuit has a leakage path to the ground, which increases the power consumption of the electronic device, reduces the battery life of the electronic device, and reduces the user experience. SUMMARY OF THE INVENTION [0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. [0004] Therefore, the first object of the present invention is to provide a temperature detection device, which can save electric energy while ensuring temperature...
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IPC IPC(8): G01K7/22G01K1/00
CPCG01K7/22G01K1/00G01K2215/00
Inventor 卢林
Owner OPPO CHONGQING INTELLIGENT TECH CO LTD