US 11,982,578 B2
Temperature detection system, temperature detection device and charging device thereof
Hong Huang, Shenzhen (CN); and Bin Peng, Hunan Province (CN)
Assigned to Shenzhen chuangxinlian Electronics Co., Ltd, Shenzhen (CN)
Filed by Shenzhen chuangxinlian Electronics Co., Ltd, Shenzhen (CN)
Filed on Jul. 5, 2021, as Appl. No. 17/367,433.
Claims priority of application No. 202110603649.2 (CN), filed on May 31, 2021.
Prior Publication US 2022/0381621 A1, Dec. 1, 2022
Int. Cl. G01K 7/02 (2021.01); G01K 7/18 (2006.01); G01K 7/42 (2006.01); G01K 1/02 (2021.01); G01K 1/024 (2021.01); G01K 1/14 (2021.01); G01K 7/24 (2006.01); G01K 7/25 (2006.01); H02J 7/00 (2006.01); H02J 7/34 (2006.01)
CPC G01K 7/021 (2013.01) [G01K 7/18 (2013.01); G01K 7/42 (2013.01); G01K 1/024 (2013.01); G01K 1/028 (2013.01); G01K 1/14 (2013.01); G01K 7/24 (2013.01); G01K 7/25 (2013.01); G01K 2207/06 (2013.01); G01K 2215/00 (2013.01); H02J 7/0047 (2013.01); H02J 7/345 (2013.01); Y02D 30/70 (2020.08)] 16 Claims
OG exemplary drawing
 
1. A temperature detection system comprising:
a power supply configured to supply power to the temperature detection system;
a pulse temperature sensor configured to detect a temperature of an object to be measured by inserting into the object to be measured, and output detection pulses;
a Bluetooth chip electrically connected to the power supply and the pulse temperature sensor, and configured to receive the detection pulses transmitted from the pulse temperature sensor and calculate number of the detection pulses per unit time, the Bluetooth chip comprising:
a negative temperature coefficient (NTC) thermistor module configured to detect an ambient temperature of the object to be measured to obtain an intermediate temperature value;
a one-time programmable (OTP) memory configured to store software programs in the Bluetooth chip, and the Bluetooth chip configured to determine a final temperature value according to the intermediate temperature value and the number of detection pulses per unit time by performing the software programs;
a Bluetooth output module configured to convert the detected final temperature value into Bluetooth radio frequency (RF) signals and then output the Bluetooth radio frequency signals; and wherein
the final temperature value is obtained through the followings:
calculating a first temperature value through formula (1-1) according to the number of the detection pulses per unit time sent from the pulse temperature sensor;
Temp=Num*0.0625° C.−50.0625° C.  (1-1);
wherein, Num represents the number of the detection pulses, Temp represents the first temperature value; and
comparing the first temperature value with the intermediate temperature value, to take a larger one from the first temperature value and the intermediate temperature value as the final temperature value;
wherein the temperature detection system further comprises:
a low dropout regulator (LDO) electrically connected between the power supply and the Bluetooth chip, and configured to stabilize electrical parameters of the power supply and supply power to the Bluetooth chip and the pulse temperature sensor.