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A temperature and humidity sensor, passive wireless technology, used in instruments, current collectors, signal transmission systems, etc., can solve problems such as poor reliability, troublesome installation, and battery loss, and achieve the effect of eliminating maintenance work.
Pending Publication Date: 2021-05-18
浙江嘉宏电力科技有限公司
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[0005] Aiming at the deficiencies of the prior art, the present invention provides a passive wireless temperature and humidity sensor, which aims to solve the problems of troublesome installation, poor reliability, battery loss and the risk of battery leakage in the current market.
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[0024]Such asfigure 1As shown, a passive wireless temperature and humidity sensor, including:
[0025]By the module, used for environmental energy collection;
[0026]Rectifier module for energy transformation;
[0027]Regulatory diode for supply voltage management;
[0028]Independent capacitance for module operation;
[0029]Power supply regulator for power supply voltage conversion;
[0030]Voltage detector for power management;
[0031]Microprocessor for integrated processing operations;
[0032]Wireless modulator for generating LORA signals;
[0033]LORA module for data wireless upload;
[0034]Physical quantity acquisition module for physical quantity acquisition;
[0035]The energy storage capacitor is a CC1 energy storage capacitor, the regulator diode is WZ1 regulator diode.
[0036]Further, the feed module and the rectifier circuit, the energy storage capacitor, and the voltage regulator diode have a power supply portion, and the range of feeders include light energy to be taken, thermal energy, electromagne...
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Abstract
The invention discloses a passive wireless temperature and humidity sensor, and the sensor comprises an energy obtaining module which is used for collecting environment energy; a rectification module used for energy conversion; a voltage stabilizing diode used for power supply voltage management; an energy storage capacitor used for module work; a power supply voltage stabilizer used for power supply voltage conversion; a voltage detector used for power management; a microprocessor used for comprehensively processing operation; a wireless modulator used for generating a LoRa signal; a LoRa module used for wirelessly uploading data; and a physical quantity acquisition module used for acquiring physical quantity, wherein the energy storage capacitor which is a CC1 energy storage capacitor, and the voltage stabilizing diode is a WZ1 voltage stabilizing diode. Through the implementation of the invention, the problems of troublesome installation, poor reliability, insufficient battery power, battery liquid leakage and the like existing in similar products in the current market are solved, a traditional battery is not needed for power supply, tedious maintenance work is avoided, high-voltage isolation can be realized, and outstanding progress is achieved.
Description
Technical field[0001]The present invention relates to the technical field of temperature and humidity sensors, and more particularly to a passive wireless temperature and humidity sensor.Background technique[0002]In the high-voltage power system, the real-time monitoring of temperature rise is a more difficult problem. It generally appears in the offset point of the device, the line connection point, the reason for the reason for the product manufacturing, the equipment is not in place, the line Long-term overload operation, contact oxidation, arc impact, etc. caused contact resistance, often constantly fever, and the temperature continues to rise.[0003]At present, the main monitoring method in the market is a one-time removal temperature label, hand-held infrared temperature gun inspection, strap type temperature measurement sensor, etc., which is a shortcomings such as low efficiency, difficulty, reliableness, etc., urgent needs a safe, High reliability, maintenance, real-time onl...
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Application Information
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