CN104698953A - Data acquiring controller for surface drifting float - Google Patents
Data acquiring controller for surface drifting float Download PDFInfo
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- CN104698953A CN104698953A CN201510140700.5A CN201510140700A CN104698953A CN 104698953 A CN104698953 A CN 104698953A CN 201510140700 A CN201510140700 A CN 201510140700A CN 104698953 A CN104698953 A CN 104698953A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2612—Data acquisition interface
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Abstract
The invention discloses a data acquiring controller for a surface drifting float. The controller is characterized by comprising a power unit, a data control acquiring unit, a data acquiring unit for measuring a temperature signal, a float immersion state and a power voltage signal, a data acquiring unit which is composed of an A/ D conversion circuit, a real-time clock unit which is a real-time clock circuit and used for providing float clock data, a data storing unit which is a data storing circuit and used for storing float data, a crystal oscillating unit which is an oscillation starting circuit and used for providing a clock signal to a float CPU, and the CPU, wherein the data control acquiring unit comprises a first data control acquiring circuit, a second data control acquiring circuit and a third data control acquiring circuit; the CPU is respectively connected with the power unit, the data control acquiring unit, the data acquiring unit, the real-time clock unit, the data storing unit and the crystal oscillating unit.
Description
Technical field
The present invention relates to marine monitoring equipment technical field, relate to a kind of instrument, particularly a kind of surface drifting buoy data acquisition controller of monitoring Marine GIS ocean current and stream thereof that can carry out covering the detection of most of marine field.
Background technology
Surface drifting buoy (hereinafter referred to as buoy) is a kind of oceanographic instrumentation drifting about with stream, utilize Argos satellite system location, have real-time data transmission function; buoy loading temperature sensor obtains surface temperature; move towards with Lagrangian method large scale measurement surface current speed and tracking ocean current; and analyze the distribution characteristics observing marine site ocean current and water body skin temperature thus, and further awareness and understanding are to the sea surface current in observation marine site and stream thereof etc.
In developed country, surface drifting buoy is as far back as the just widespread use 1980s, product has also been various ways, multiple use, as: SVP buoy (surveying skin temperature and Lagrangian flow measurement), SVP-BP buoy are (except surveying skin temperature and Lagrangian flow measurement, also can survey air pressure), WSD buoy (survey wind speed, wind direction), CODE buoy (be applicable to offshore observation, survey skin temperature and Lagrangian flow measurement), ADOS buoy (Lagrangian flow measurement, band temperature chain) etc.
The use of domestic surface drifting buoy has started to increase year by year, within 2000, mainly relies on import in the past.After 2000, under the effort of China's part researcher, be applicable to the marine monitoring equipment of China's national situation and progressively come into operation, but found by practice, existing float device has function singleness, defect that electric energy loss is large.
Summary of the invention
The technical problem to be solved in the present invention is: provide one can control buoy and gather sea surface water temperature according to certain time interval; Gather the positional information of buoy; Gather the submerged state of buoy; When Argos satellite crosses top, buoy positions the top layer buoy data acquisition controller transmitted with data by Argos satellite system.
For solving the problems of the technologies described above, buoy data acquisition controller of the present invention, technical scheme is:
A kind of surface drifting buoy data acquisition controller, comprising:
Power supply unit, provides working power for giving buoy data acquisition controller;
Data control collection unit, described data control collection unit comprises the first data control collection circuit, the second data control collection circuit and the 3rd data control collection circuit; Wherein: the first data control collection circuit and Argos communication module carry out data communication; Second data control collection circuit and GPS module carry out data communication; 3rd data control collection circuit and immersion sensor carry out data communication;
Data acquisition unit, for measuring tempeature signal, buoy submerged state and power supply voltage signal; Described data acquisition unit comprises A/D change-over circuit;
Real time clock unit, for providing buoy clock data; Described real time clock unit is real time clock circuit;
Data storage unit, stores for buoy data; Described data storage unit is data-storing circuit;
Crystal oscillator unit, for providing clock signal for buoy central processing unit; Described crystal oscillator unit is start-oscillation circuit;
And central processing unit; Wherein:
Described central processing unit is electrically connected with power supply unit, data control collection unit, data acquisition unit, real time clock unit, data storage unit, crystal oscillator unit respectively.
Further, as preferably, the present invention additionally uses following technical scheme:
Described power supply unit comprises metal-oxide-semiconductor (Q1), rated resistance (R1, R18), diode (D1), rated capacity (C4, C7, C8, CR2, CR3, CR4, CR6), power supply changeover device (IC2), interface (J1), described rated resistance (R1) be series between (GND) and metal-oxide-semiconductor (Q1) grid, diode (D1) is series between metal-oxide-semiconductor (Q1) source electrode and interface (J1), rated capacity is series between metal-oxide-semiconductor (Q1) source electrode and ground (GND), rated resistance (CR3, C4) being series at metal-oxide-semiconductor (Q1) leaks between level and ground (GND), rated resistance (R18) is series at metal-oxide-semiconductor (Q1) and leaks between level and power supply changeover device (IC2) input end, rated resistance (CR4) is series between power supply changeover device (IC2) input end and ground (GND), rated capacity (C7, C8 and CR6) be series between power supply changeover device (IC2) output terminal and ground (GND), power supply changeover device (IC2) output terminal is supply voltage (VCC).
Described first data control collection circuit comprises rated resistance (R37, R40), multi-way switch circuit (IC5), rated resistance (R43, R51), photoisolator (IC9), rated resistance (R2, R17), metal-oxide-semiconductor (Q2), rated capacity (CR5), the output terminal (RC6) of described central processing unit is connected with multi-way switch circuit (X, Y) respectively with input end (RC7), the output terminal (RD3, RD2, RD1) of central processing unit is connected with multi-way switch circuit (INH, A, B) respectively, and selects the way switch in multi-way switch by multi-way switch circuit (INH, A, B), wherein: multi-way switch circuit (RX0, TX0) is connected with rated resistance (R43, R51) one end respectively, rated resistance (R43, R51) other end is connected with interface (J6), the output terminal (RD0) of central processing unit is connected with the input end light-emitting diodes tube cathode of photoisolator (IC9), rated resistance (R2) is connected to input side light-emitting diodes tube anode and the supply voltage (VCC) of photoisolator (IC9), the output terminal diode cathode ground connection (GND) of photoisolator (IC9), rated resistance (R17) is connected to output terminal diode anode and the supply voltage (Vdd) of photoisolator (IC9), the output terminal diode anode of photoisolator (IC9) is connected with metal-oxide-semiconductor (Q2) grid, metal-oxide-semiconductor (Q2) source electrode is connected with supply voltage (Vdd), it is Argos communication module supply voltage (Datapower) that metal-oxide-semiconductor (Q2) leaks level output terminal, rated capacity (CR5) is connected to metal-oxide-semiconductor (Q2) and leaks between level output with ground (GND).
Described second data control collection circuit comprises rated resistance (R37, R40), multi-way switch circuit (IC5), power supply changeover device (IC3, IC4), rated resistance (R45, R53), photoisolator (IC9), rated resistance (R2, R17), metal-oxide-semiconductor (Q2), rated capacity (CR5, CR7, C9, CR9, C11); The output terminal (RC6) of central processing unit is connected with multi-way switch circuit (X, Y) respectively with input end (RC7), the output terminal (RD3, RD2, RD1) of central processing unit is connected with multi-way switch circuit (INH, A, B) respectively, and selects the way switch in multi-way switch by multi-way switch circuit (INH, A, B); Wherein multi-way switch circuit (RX1, TX1) is connected with rated resistance (R45, R53) one end respectively, and rated resistance (R45, R53) other end is connected with interface (J7); the output terminal (RD0) of central processing unit is connected with the input end light-emitting diodes tube cathode of photoisolator (IC9), rated resistance (R2) is connected to input side light-emitting diodes tube anode and the supply voltage (VCC) of photoisolator (IC9), the output terminal diode cathode ground connection (GND) of photoisolator (IC9), rated resistance (R17) is connected to output terminal diode anode and the supply voltage (Vdd) of photoisolator (IC9), the output terminal diode anode of photoisolator (IC9) is connected with metal-oxide-semiconductor (Q2) grid, metal-oxide-semiconductor (Q2) source electrode is connected with supply voltage (Vdd), metal-oxide-semiconductor (Q2) leaks level output terminal (Data power) and is connected with power supply changeover device (IC3) input end, power supply changeover device (IC3) output terminal (5V) is connected with power supply changeover device (IC4) input end, power supply changeover device (IC4) output terminal is GPS supply voltage (3.3V), rated capacity (CR5) is connected to metal-oxide-semiconductor (Q2) and leaks between level output with ground (GND), rated capacity (CR7) is connected between power supply changeover device (IC3) output terminal (5V) and ground (GND), rated capacity (C9, CR9, C11) be connected between power supply changeover device (IC4) output terminal (3.3V) and ground (GND).
Described 3rd data control collection circuit comprises rated resistance (R37, R40), multi-way switch circuit (IC5), level-conversion circuit (IC8), power supply changeover device (IC3, IC4), rated resistance (R50, R58, R64, R66), rated capacity (CR10, CR12, CR14, CR16, C12), photoisolator (IC9), rated resistance (R2, R17), metal-oxide-semiconductor (Q2), rated capacity (CR5, CR7, C9, CR9, C11), the output terminal (RC6) of central processing unit and input end (RC7) respectively with multi-way switch circuit (X, Y) connect, output terminal (the RD3 of central processing unit, RD2, RD1) respectively with multi-way switch circuit (INH, A, B) connect, and by multi-way switch circuit (INH, A, B) way switch in multi-way switch is selected, wherein: multi-way switch circuit (RX3, TX3) is connected with rated resistance (R50, R58) one end respectively, rated resistance (R50, R58) other end is connected with the output terminal (9) of level-conversion circuit (IC8) and input end (10) respectively.
Described data acquisition unit comprises A/D change-over circuit (IC6), rated resistance (R41, R38, R39), rated capacity (CR8 and C10) and interface (J2), central processing unit output terminal (RA1) is connected with A/D change-over circuit (IC6) input end (DIN), central processing unit input end (RA3) is connected with A/D change-over circuit (IC6) output terminal (DOUT), central processing unit (RA0) is connected with A/D change-over circuit (IC6) clock end (SCLK), and central processing unit input end (RA2) is connected with A/D change-over circuit (IC6) state end (SSTRB), rated resistance (R38) and rated resistance (R39) are cascaded, rated resistance (R38) is connected with supply voltage (Vdd) and ground (GND) respectively with the two ends of rated resistance (R39), rated resistance (R41) is series at input end (CH6) and rated resistance (R39) one end of A/D change-over circuit (IC6), rated capacity (CR8) is series between A/D change-over circuit (IC6) output terminal (11) and ground (GND), rated capacity (C10) is series between A/D change-over circuit (IC6) output terminal (12) and ground (GND).
Described real time clock unit comprises clock circuit (IC10), crystal oscillator (CRY3), rated capacity (C14, C15), diode (D2, D3) and backup battery (B1), crystal oscillator (CRY3) is at clock circuit (IC10) input end (1, 2) between, rated capacity (C14) is between clock circuit (IC10) input end (1) and ground (GND), clock circuit (IC10) input end (6) is connected with the output terminal (SCL) of central processing unit, clock circuit (IC10) defeated entry/exit end (5) is connected with the defeated entry/exit end (SDA) of central processing unit, rated capacity (C15) is between the power voltage terminal (8) and ground (GND) of clock circuit (IC10), diode (D2) is between supply voltage (VCC) and the power voltage terminal (8) of clock circuit (IC10), diode (D3) is between backup battery (B1) positive pole and the power voltage terminal (8) of clock circuit (IC10).
Described data storage unit comprises data storage circuitry (IC11); The input end (8) of data storage circuitry (IC11) is connected with supply voltage (VCC), clock circuit (IC11) input end (6) is connected with the output terminal (SCL) of central processing unit, and clock circuit (IC11) defeated entry/exit end (5) is connected with the defeated entry/exit end (SDA) of central processing unit.
Described crystal oscillator unit comprises crystal oscillator (CRY1, CRY2) and rated capacity (C2, C3, C5, C6); Crystal oscillator (CRY1) is between rated capacity (C2) and rated capacity (C3), and crystal oscillator (CRY2) is between rated capacity (C5) and rated capacity (C6).The equal ground connection of the other end (GND) of rated capacity (C2, C3, C5, C6).
The advantage that the present invention has and good effect are:
By adopting technique scheme, the present invention can control buoy and gather sea surface water temperature according to certain time interval; Gather the positional information of buoy; Gather the submerged state of buoy; When Argos satellite crosses top, buoy is positioned by Argos satellite system and transmits with data
Buoy data acquisition controller of the present invention provides the power supply unit of working power to realize the Energy control of buoy, realizes the low-power consumption of control circuit;
The data control collection unit of Argos communication module of the present invention realizes the application of Argos communication modes on buoy;
The data control collection unit that the present invention gathers locating information data realizes the acquisition of buoy to locating information;
The data control collection unit of measuring tempeature of the present invention realizes the acquisition of buoy to Marine Environmental Elements;
The real time clock unit that the invention provides buoy clock data realizes the acquisition of buoy temporal information;
The invention provides the data storage unit that buoy data store;
The invention provides the crystal oscillator unit that buoy central processing unit provides clock signal.
Accompanying drawing explanation
Fig. 1 the present invention forms schematic diagram;
Fig. 2 is partial circuit diagram of the present invention, is mainly used in the circuit of display power supply unit;
Fig. 3 is partial circuit diagram of the present invention, is mainly used in showing buoy for each control circuit and provides the circuit of working power;
Fig. 4 is partial circuit diagram of the present invention, is mainly used in the circuit of display first data control collection circuit and the second data control collection circuit;
Fig. 5 is partial circuit diagram of the present invention, is mainly used in the circuit of display the 3rd data control collection circuit;
Fig. 6 is partial circuit diagram of the present invention, is mainly used in display Data Control collecting unit and realizes the circuit of buoy to the acquisition of sea surface water temperature;
Fig. 7 is partial circuit diagram of the present invention, is mainly used in the circuit showing real time clock unit;
Fig. 8 is partial circuit diagram of the present invention, is mainly used in the circuit showing data storage unit;
Fig. 9 is partial circuit diagram of the present invention, is mainly used in the circuit showing crystal oscillator unit.
Embodiment
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1, a kind of surface drifting buoy data acquisition controller, comprising:
Power supply unit, provides working power for giving buoy data acquisition controller;
Data control collection unit, described data control collection unit comprises the first data control collection circuit, the second data control collection circuit and the 3rd data control collection circuit; Wherein: the first data control collection circuit and Argos communication module carry out data communication; Second data control collection circuit and GPS module carry out data communication; 3rd data control collection circuit and immersion sensor carry out data communication;
Data acquisition unit, for measuring tempeature signal, buoy submerged state and power supply voltage signal; Described data acquisition unit comprises A/D change-over circuit;
Real time clock unit, for providing buoy clock data; Described real time clock unit is real time clock circuit;
Data storage unit, stores for buoy data; Described data storage unit is data-storing circuit;
Crystal oscillator unit, for providing clock signal for buoy central processing unit; Described crystal oscillator unit is start-oscillation circuit;
And central processing unit; Wherein:
Described central processing unit is electrically connected with power supply unit, data control collection unit, data acquisition unit, real time clock unit, data storage unit, crystal oscillator unit respectively.
Refer to Fig. 2, Fig. 2 is a kind of preferred circuit of power supply unit, wherein: described power supply unit comprises metal-oxide-semiconductor Q1, rated resistance R1, rated resistance R18, diode D1, rated capacity C4, rated capacity C7, rated capacity C8, rated capacity CR2, rated capacity CR3, rated capacity CR4, rated capacity CR6, power supply changeover device IC2, interface J1; Wherein the pin 3 of interface J1 is energization input, and VCC is the output terminal of power supply changeover device IC2.In fig. 2, the principle of work of power supply unit is: the pin of interface J1 3 is power supply positive pole, and the pin 4 of interface J1 be power supply negative pole, by the source electrode that controls metal-oxide-semiconductor with the conducting of GND control metal-oxide-semiconductor Q1 leak level can output supply voltage.
Refer to Fig. 3, Fig. 3 to realize in above-mentioned specific embodiment for buoy for each control circuit provides a kind of optimized circuit of the circuit of working power, and it comprises power supply changeover device IC3, power supply changeover device IC4, photoisolator IC9, rated resistance R2, rated resistance R17, metal-oxide-semiconductor Q2, rated capacity CR5, rated capacity CR7, rated capacity C9, rated capacity CR9, rated capacity C11.Its principle of work: the voltage that central processing unit output terminal RD0 controls the output terminal diode anode of photoisolator IC9 by the input end light-emitting diodes tube cathode controlling photoisolator IC9 exports, the output of the supply voltage of further control metal-oxide-semiconductor Q2, when the supply voltage conducting of metal-oxide-semiconductor Q2, power supply changeover device IC3, power supply changeover device IC4 respectively output voltage are 5V and 3.3V, when the supply voltage of MOSQ2 turns off, power supply changeover device IC3, power supply changeover device IC4 no-output.
Refer to Fig. 4, Fig. 4 is a kind of preferred circuit of the data control collection unit realizing Argos communication module and GPS module in above-mentioned specific embodiment, the i.e. circuit of the first data control collection circuit and the second data control collection circuit, wherein: described data control collection unit comprises multi-way switch circuit IC5, rated resistance R43, rated resistance R45, rated resistance R51, rated resistance R53.Terminal RC6, the terminal RC7 of central processing unit gather Argos communication module and GPS module data respectively by multi-way switch circuit IC6.
Refer to Fig. 5, Fig. 5 is a kind of preferred circuit realizing the 3rd data control collection circuit in above-mentioned specific embodiment, wherein: the data control collection unit of collecting temperature and supply voltage comprises A/D change-over circuit IC6, rated resistance R38, rated resistance R39 and rated resistance R41, rated capacity CR8 and rated capacity C10 and interface J2.Principle of work is: interface J2 accesses thermistor, and data control collection unit is by the acquisition channel CH7 collecting temperature data of A/D change-over circuit IC6; Rated resistance R38 and rated resistance R39 series connection dividing potential drop, gathers battery voltage data by the acquisition channel CH6 by A/D change-over circuit IC6.
Refer to Fig. 6, Fig. 6 is a kind of preferred circuit realizing Argos communication module and GPS module data control collection unit in above-mentioned specific embodiment, wherein: described Argos communication module and GPS module data control collection unit comprise multi-way switch circuit IC5, level-conversion circuit IC8 and rated resistance R37, rated resistance R40, rated resistance R50, rated resistance R58, rated resistance R64 and rated resistance R66, described central processing unit terminal RC6, terminal RC7 controls and gathers Argos communication module and GPS module data respectively by multi-way switch circuit IC5 and level-conversion circuit IC8.
Refer to Fig. 7, Fig. 7 is a kind of preferred circuit of the real time clock unit realizing buoy clock data in above-mentioned specific embodiment, wherein: the real time clock unit of described buoy clock data comprises clock circuit IC10, crystal oscillator CRY3, rated capacity C14, rated capacity C15, diode D2, diode D3 and backup battery B1.Its principle of work is: crystal oscillator CRY3 provides clock frequency for clock circuit, rated capacity C13 is crystal oscillator matching capacitance, when buoy is powered, clock circuit is by buoy powered battery VCC, when buoy power-off, clock circuit is powered by backup battery B1, and clock circuit is connected with central processing unit terminal SCL and terminal SDA and transmits data.
Refer to Fig. 8, Fig. 8 is a kind of preferred circuit realizing the data storage unit that buoy data store in above-mentioned specific embodiment, wherein: the data storage unit that described buoy data store comprises data storage circuitry IC11, data storage circuitry is connected with central processing unit terminal SCL and terminal SDA and transmits data.
Refer to Fig. 9, Fig. 9 realizes a kind of preferred circuit that buoy central processing unit in above-mentioned specific embodiment provides the crystal oscillator unit of clock signal, wherein: described buoy central processing unit provides the crystal oscillator unit of clock signal to comprise crystal oscillator CRY1, crystal oscillator CRY2, rated capacity C2, rated capacity C3, rated capacity C5, rated capacity C6.Its principle of work: crystal oscillator CRY1 provides master clock source for central processing unit, crystal oscillator CRY2 provides secondary clock source for central processing unit.
Above embodiments of the invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (9)
1. a surface drifting buoy data acquisition controller, is characterized in that: comprising:
Power supply unit, provides working power for giving buoy data acquisition controller;
Data control collection unit, described data control collection unit comprises the first data control collection circuit, the second data control collection circuit and the 3rd data control collection circuit; Wherein: the first data control collection circuit and Argos communication module carry out data communication; Second data control collection circuit and GPS module carry out data communication; 3rd data control collection circuit and immersion sensor carry out data communication;
Data acquisition unit, for measuring tempeature signal, buoy submerged state and power supply voltage signal; Described data acquisition unit comprises A/D change-over circuit;
Real time clock unit, for providing buoy clock data; Described real time clock unit is real time clock circuit;
Data storage unit, stores for buoy data; Described data storage unit is data-storing circuit;
Crystal oscillator unit, for providing clock signal for buoy central processing unit; Described crystal oscillator unit is start-oscillation circuit;
And central processing unit; Wherein:
Described central processing unit is electrically connected with power supply unit, data control collection unit, data acquisition unit, real time clock unit, data storage unit, crystal oscillator unit respectively.
2. surface drifting buoy data acquisition controller according to claim 1, is characterized in that: described power supply unit comprises metal-oxide-semiconductor (Q1), rated resistance (R1, R18), diode (D1), rated capacity (C4, C7, C8, CR2, CR3, CR4, CR6), power supply changeover device (IC2), interface (J1), described rated resistance (R1) be series between (GND) and metal-oxide-semiconductor (Q1) grid, diode (D1) is series between metal-oxide-semiconductor (Q1) source electrode and interface (J1), rated capacity is series between metal-oxide-semiconductor (Q1) source electrode and ground (GND), rated resistance (CR3, C4) being series at metal-oxide-semiconductor (Q1) leaks between level and ground (GND), rated resistance (R18) is series at metal-oxide-semiconductor (Q1) and leaks between level and power supply changeover device (IC2) input end, rated resistance (CR4) is series between power supply changeover device (IC2) input end and ground (GND), rated capacity (C7, C8 and CR6) be series between power supply changeover device (IC2) output terminal and ground (GND), power supply changeover device (IC2) output terminal is supply voltage (VCC).
3. surface drifting buoy data acquisition controller according to claim 2, is characterized in that: described first data control collection circuit comprises rated resistance (R37, R40), multi-way switch circuit (IC5), rated resistance (R43, R51), photoisolator (IC9), rated resistance (R2, R17), metal-oxide-semiconductor (Q2), rated capacity (CR5), the output terminal (RC6) of described central processing unit is connected with multi-way switch circuit (X, Y) respectively with input end (RC7), the output terminal (RD3, RD2, RD1) of central processing unit is connected with multi-way switch circuit (INH, A, B) respectively, and selects the way switch in multi-way switch by multi-way switch circuit (INH, A, B), wherein: multi-way switch circuit (RX0, TX0) is connected with rated resistance (R43, R51) one end respectively, rated resistance (R43, R51) other end is connected with interface (J6), the output terminal (RD0) of central processing unit is connected with the input end light-emitting diodes tube cathode of photoisolator (IC9), rated resistance (R2) is connected to input side light-emitting diodes tube anode and the supply voltage (VCC) of photoisolator (IC9), the output terminal diode cathode ground connection (GND) of photoisolator (IC9), rated resistance (R17) is connected to output terminal diode anode and the supply voltage (Vdd) of photoisolator (IC9), the output terminal diode anode of photoisolator (IC9) is connected with metal-oxide-semiconductor (Q2) grid, metal-oxide-semiconductor (Q2) source electrode is connected with supply voltage (Vdd), it is Argos communication module supply voltage (Data power) that metal-oxide-semiconductor (Q2) leaks level output terminal, rated capacity (CR5) is connected to metal-oxide-semiconductor (Q2) and leaks between level output with ground (GND).
4. surface drifting buoy data acquisition controller according to claim 3, is characterized in that: described second data control collection circuit comprises rated resistance (R37, R40), multi-way switch circuit (IC5), power supply changeover device (IC3, IC4), rated resistance (R45, R53), photoisolator (IC9), rated resistance (R2, R17), metal-oxide-semiconductor (Q2), rated capacity (CR5, CR7, C9, CR9, C11); The output terminal (RC6) of central processing unit is connected with multi-way switch circuit (X, Y) respectively with input end (RC7), the output terminal (RD3, RD2, RD1) of central processing unit is connected with multi-way switch circuit (INH, A, B) respectively, and selects the way switch in multi-way switch by multi-way switch circuit (INH, A, B); Wherein multi-way switch circuit (RX1, TX1) is connected with rated resistance (R45, R53) one end respectively, and rated resistance (R45, R53) other end is connected with interface (J7); the output terminal (RD0) of central processing unit is connected with the input end light-emitting diodes tube cathode of photoisolator (IC9), rated resistance (R2) is connected to input side light-emitting diodes tube anode and the supply voltage (VCC) of photoisolator (IC9), the output terminal diode cathode ground connection (GND) of photoisolator (IC9), rated resistance (R17) is connected to output terminal diode anode and the supply voltage (Vdd) of photoisolator (IC9), the output terminal diode anode of photoisolator (IC9) is connected with metal-oxide-semiconductor (Q2) grid, metal-oxide-semiconductor (Q2) source electrode is connected with supply voltage (Vdd), metal-oxide-semiconductor (Q2) leaks level output terminal (Data power) and is connected with power supply changeover device (IC3) input end, power supply changeover device (IC3) output terminal (5V) is connected with power supply changeover device (IC4) input end, power supply changeover device (IC4) output terminal is GPS supply voltage (3.3V), rated capacity (CR5) is connected to metal-oxide-semiconductor (Q2) and leaks between level output with ground (GND), rated capacity (CR7) is connected between power supply changeover device (IC3) output terminal (5V) and ground (GND), rated capacity (C9, CR9, C11) be connected between power supply changeover device (IC4) output terminal (3.3V) and ground (GND).
5. surface drifting buoy data acquisition controller according to claim 4, it is characterized in that: described 3rd data control collection circuit comprises rated resistance (R37, R40), multi-way switch circuit (IC5), level-conversion circuit (IC8), power supply changeover device (IC3, IC4), rated resistance (R50, R58, R64, R66), rated capacity (CR10, CR12, CR14, CR16, C12), photoisolator (IC9), rated resistance (R2, R17), metal-oxide-semiconductor (Q2), rated capacity (CR5, CR7, C9, CR9, C11), the output terminal (RC6) of central processing unit and input end (RC7) respectively with multi-way switch circuit (X, Y) connect, output terminal (the RD3 of central processing unit, RD2, RD1) respectively with multi-way switch circuit (INH, A, B) connect, and by multi-way switch circuit (INH, A, B) way switch in multi-way switch is selected, wherein: multi-way switch circuit (RX3, TX3) is connected with rated resistance (R50, R58) one end respectively, rated resistance (R50, R58) other end is connected with the output terminal (9) of level-conversion circuit (IC8) and input end (10) respectively.
6. surface drifting buoy data acquisition controller according to claim 5, is characterized in that: described data acquisition unit comprises A/D change-over circuit (IC6), rated resistance (R41, R38, R39), rated capacity (CR8 and C10) and interface (J2), central processing unit output terminal (RA1) is connected with A/D change-over circuit (IC6) input end (DIN), central processing unit input end (RA3) is connected with A/D change-over circuit (IC6) output terminal (DOUT), central processing unit (RA0) is connected with A/D change-over circuit (IC6) clock end (SCLK), and central processing unit input end (RA2) is connected with A/D change-over circuit (IC6) state end (SSTRB), rated resistance (R38) and rated resistance (R39) are cascaded, rated resistance (R38) is connected with supply voltage (Vdd) and ground (GND) respectively with the two ends of rated resistance (R39), rated resistance (R41) is series at input end (CH6) and rated resistance (R39) one end of A/D change-over circuit (IC6), rated capacity (CR8) is series between A/D change-over circuit (IC6) output terminal (11) and ground (GND), rated capacity (C10) is series between A/D change-over circuit (IC6) output terminal (12) and ground (GND).
7. surface drifting buoy data acquisition controller according to claim 6, is characterized in that: described real time clock unit comprises clock circuit (IC10), crystal oscillator (CRY3), rated capacity (C14, C15), diode (D2, D3) and backup battery (B1), crystal oscillator (CRY3) is at clock circuit (IC10) input end (1, 2) between, rated capacity (C14) is between clock circuit (IC10) input end (1) and ground (GND), clock circuit (IC10) input end (6) is connected with the output terminal (SCL) of central processing unit, clock circuit (IC10) defeated entry/exit end (5) is connected with the defeated entry/exit end (SDA) of central processing unit, rated capacity (C15) is between the power voltage terminal (8) and ground (GND) of clock circuit (IC10), diode (D2) is between supply voltage (VCC) and the power voltage terminal (8) of clock circuit (IC10), diode (D3) is between backup battery (B1) positive pole and the power voltage terminal (8) of clock circuit (IC10).
8. surface drifting buoy data acquisition controller according to claim 7, is characterized in that: described data storage unit comprises data storage circuitry (IC11); The input end (8) of data storage circuitry (IC11) is connected with supply voltage (VCC), clock circuit (IC11) input end (6) is connected with the output terminal (SCL) of central processing unit, and clock circuit (IC11) defeated entry/exit end (5) is connected with the defeated entry/exit end (SDA) of central processing unit.
9. surface drifting buoy data acquisition controller according to claim 8, is characterized in that: described crystal oscillator unit comprises crystal oscillator (CRY1, CRY2) and rated capacity (C2, C3, C5, C6); Crystal oscillator (CRY1) is between rated capacity (C2) and rated capacity (C3), and crystal oscillator (CRY2) is between rated capacity (C5) and rated capacity (C6); The equal ground connection of the other end (GND) of rated capacity (C2, C3, C5, C6).
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