Three-wire serial-in type interface method of navigation mark telemetering measurement terminal
A telemetry terminal and three-wire technology, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve problems such as complicated wiring
Inactive Publication Date: 2010-10-06
FUJIAN NORMAL UNIV
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[0004] The purpose of the present invention is to overcome the disadvantages of complex wiring of existing terminals, and only need three wires to complete the measurement of parameters such as battery voltage, operating current, and lamp quality, and has the advantages of simple wiring and no need to modify the existing lamp circuit.
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[0016] In order to facilitate the understanding of the present invention, the power supply circuit of the navigation mark terminal will be further described in conjunction with the accompanying drawings and in the form of embodiments.
[0017] figure 2 Among them, one end of the current / voltage sensor U1 is respectively connected to the anode of the diode D2, one end of the resistor R3, one end of the resistor R1, and the positive pole of the power supply. The other end of the resistor R1 is respectively connected to one end of the resistor R2, one end of the capacitor C1, one end of the diode D1, and the battery voltage. The other input end of the current / voltage sensor U1 is connected with the other end of the resistor R3, the other end of the diode D2, and the anode of the lamp. The output terminals of the current / voltage sensor U1 are connected to one terminal of the resistor R4 and one terminal of the resistor R5 respectively. The other end of the resistor R4 is respec...
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The invention relates to a three wires series accessing interface method of a navigation mark telemetry terminal. The system consists of a storage battery voltage module, a working current module and a light quality signal conditioning module, wherein the anode input end of a power supply is connected with the storage battery voltage module and the working current module through a lead 7, the cathode input end thereof is connected with the storage battery voltage module, the working current module and the light quality signal conditioning module through a lead 9, the anode input end of a lampis connected with the working current module through a lead 8, the working current module is connected with the light quality signal conditioning module. Adopting the technic proposal of the invention, the terminal, the storage battery and the navigation mark lamp need only three wires to connect, and the navigation mark parameters measurement of the storage battery voltage, the working current and the light quality and so on can be achieved, the structure is simple, and the original lamp circuit need not to be modified.
Description
technical field [0001] The invention relates to an interface method of a circuit system, in particular to a three-wire serial interface method for a navigation mark telemetry terminal. Background technique [0002] The buoys of different models and different power supply methods can be divided into three parts structurally: batteries, lamps and solar chargers. Telemetry monitoring is implemented on the navigation mark, and the main measurement objects are: battery voltage, working current, light quality, charging current, charging voltage, electric energy of the battery board, position and other parameters. Among them, the collection of position information is completed by the GPS module receiver, while the collection of other parameters is realized by circuits such as sensors. Among these parameters, the battery voltage, operating current and lamp quality must be measured to understand information such as electric energy, bulb brightness, and lamp status. [0003] At pres...
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IPC IPC(8): G01R31/00G01R19/00
Inventor 吴允平李汪彪蔡声镇陈聪慧苏伟达吴进营卢宇刘华松
Owner FUJIAN NORMAL UNIV