Temperature detecting method, device and equipment
The technology of a temperature detection device and detection method is applied in the directions of measuring devices, thermometers, electric devices, etc., which can solve problems such as Vcc fluctuations and achieve the effect of overcoming errors
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Example Embodiment
[0034] Example 1
[0035] Embodiment 1 of the present application provides a temperature detection device for detecting the temperature of the environment in which the thermistor is located.
[0036] Figure 4 It is a schematic diagram of the temperature detection device of this embodiment 1, such as Figure 4 As shown, the temperature detection device 400 may include: a calculation unit 401 and a determination unit 402.
[0037] In this embodiment, the calculation unit 401 may be used to calculate the ratio P of the voltage Vcc of the power source 502 connected to the thermistor 501 to the voltage Vout of the end 5011 of the thermistor 501 far from the power source; the determining unit 402 The temperature T of the environment where the thermistor is located can be determined according to the ratio P calculated by the calculation unit 401 and the corresponding relationship between the ratio P and the temperature T.
[0038] In the embodiment of this application, the voltage error of ...
Example Embodiment
[0057] Example 2
[0058] Embodiment 2 of the present application provides a temperature detection device. The temperature detection device includes: the temperature detection device described in Embodiment 1.
[0059] Figure 5 It is a schematic diagram of the structure of the temperature detection device of Embodiment 2 of the present application. Such as Figure 5 As shown, the temperature detection device 500 may include: a thermistor 501, a power supply 502, and a central processing unit (CPU) 503.
[0060] In one embodiment, the function of the temperature detection device may be integrated into the central processing unit 503.
[0061] Wherein, the central processing unit 503 may be configured as:
[0062] Calculate the ratio of the voltage of the power supply connected to the thermistor to the voltage of the end of the thermistor far from the power supply; and
[0063] According to the ratio and the corresponding relationship between the ratio and the temperature, the temperatur...
Example Embodiment
[0073] Example 3
[0074] Embodiment 3 of the present application provides a temperature detection method, which corresponds to the temperature detection device 400 of Embodiment 1.
[0075] Image 6 Is a schematic diagram of the temperature detection method of this embodiment, such as Image 6 As shown, the temperature detection method includes:
[0076] Step 601: Calculate the ratio of the voltage of the power supply connected to the thermistor to the voltage of the end of the thermistor far from the power supply; and
[0077] Step 602: Determine the temperature of the environment where the thermistor is located according to the ratio and the corresponding relationship between the ratio and the temperature.
[0078] Such as Image 6 As shown, the method may also include:
[0079] Step 603: Perform sampling to obtain the voltage of the power supply and the voltage of the one end of the thermistor.
[0080] Such as Image 6 As shown, the method may also include:
[0081] Step 604: Conv...
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