A wireless sensor system
A wireless sensor, electromagnetic induction technology, applied in heating and ventilation safety systems, heating and ventilation control systems, heating methods, etc. The transmission of road information, the realization of generalization, and the effect of easy generalization
Active Publication Date: 2021-06-04
NINGBO AUX ELECTRIC +1
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Problems solved by technology
[0005] At present, the magnetic coupling resonant power transmission technology is mainly used in the field of wireless energy transmission and the application of wireless energy transmission in DC motors, but it has not solved the problem of wireless connection and communication between the temperature measurement value of the air conditioner and the main control unit.
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[0038] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.
[0039] The terminology used in the present invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used herein and in the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and / or" as use...
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The invention discloses a wireless sensor system, which includes a main control unit, the main control unit is connected with a sine wave generating unit, and the main control unit can control the sine wave generating unit to generate a sine wave with a preset frequency; the main control unit The unit is also connected to the port selection circuit for controlling the port to be connected to the first resonant capacitor or the second resonant capacitor; the first resonant capacitor or the second resonant capacitor is connected to the temperature detection unit through the electromagnetic induction unit; the temperature detection unit The change of the load resistance value of the electromagnetic induction unit is coupled to the receiving coil side circuit loop of the electromagnetic induction unit, resulting in the receiving coil loop current value I 1 Change; the main control unit is also connected with the current detection unit, and the current detection unit is used to detect the electromagnetic induction unit receiving coil side loop current I 1 ; The main controller according to the current I 1 Calculate the load resistance value of the temperature detection unit, and then look up the table to get the temperature, realize the wireless transmission of temperature information, and save the long physical connection.
Description
technical field [0001] The invention relates to the field of air conditioner circuits, in particular to a wireless sensor system. Background technique [0002] The current air conditioner uses a thermistor as a temperature sensing package to adjust the working state of the motor according to the measured ambient temperature or coil temperature. At present, the temperature-sensing package of the air conditioner is connected to the main control unit through a physical connection, so as to transmit the temperature signal. However, with the increasing scale of air-conditioning manufacturers, the increasing number of air-conditioning models, and the changes in structural components, a single-length temperature-sensing package is no longer sufficient. At the same time, there are many sheet metal parts inside the air conditioner, and physical connections are used, so there is a risk of wear and tear. Based on the above considerations, the present invention proposes a wireless sen...
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IPC IPC(8): F24F11/88
CPCF24F11/88
Inventor 郑杰王鹏起
Owner NINGBO AUX ELECTRIC