CN1853461A

CN1853461A - Positioning buoy receiver

Info

Publication number: CN1853461A
Application number: CN 200510067945
Authority: CN
Inventors: 陈国重
Original assignee: KATO ELECTRONIC CO Ltd
Current assignee: KATO ELECTRONIC CO Ltd
Priority date: 2005-04-28
Filing date: 2005-04-28
Publication date: 2006-11-01
Anticipated expiration: 2025-04-28
Also published as: CN100438753C

Abstract

A receiver of positioning buoy for the fishing ship to detect and track the shoal of fish by receiving the data from the call-type electric GPS buoy is composed of short-wave receiver, FSK decoder, single-chip microprocessor, LCD, power filter, and voltage stabilizer.

Description

Positioning buoy receiver

Technical field

The present invention is meant a kind of positioning buoy receiver of modified form, location, collection information that the GPS calling electric buoy is closed in outstanding assignment, and the electronic equipment of LCD shows the positioning buoy receiver of relevant information data.

Background technology

Exhalation machine and receiver are a kind of communication apparatus of unidirectional conduction message, this electric buoy 10 that can use such as navigation and aboard ship receiver 20 (as Fig. 1), traditional navigation has timer with electric buoy 10 inside, fixing control at interval by setting-up time transmits, receiver 20 received signals that orientation detection is aboard ship used, and then differentiate the title and the direction of each electric buoy 10, and because the factor in the time interval, personnel must keep receiver 20 other waiting for, again because of grasping the time that each electric buoy 10 will be sent back to, and because the free again error of the timer of each electric buoy 10, the interference that produces signal so launch simultaneously sometimes, in addition, the state of electric buoy 10 because of keeping transmitting, so its position is learnt by other fishing boat easily, make confidentiality poor, fishery harvesting is often arranged, the stolen thing of fishing gear takes place.

Moreover traditional navigation map is the paper figure of many AO sizes, so a chart room is all arranged, in order to fill the sea chart that all need, therefore, can say very waste on the limited fishing boat in space aboard ship.

Summary of the invention

Therefore, this case inventor is because the above-mentioned person's of commonly using present situation, satisfy and think to reach if can utilize the group number that makes each electric buoy, password is through setting signal for, and after electric buoy receives correct signal, can be with its location that obtains via gps system, information material is sent to the positioning buoy receiver on the ship, and cooperate the equipment such as LCD of electronization to do demonstration, the work that stores, can overcome the aforementioned person's of commonly using disappearance, therefore, satisfy and think again and concrete technology composition, can make positioning buoy receiver comprise short-wave receiver, shift frequency key decoder, the single-chip microprocessor, LCD and power filter and mu balanced circuit, the reception antenna of radiothermy receiver is obtained information material (as clock, longitude and latitude, water temperature, flow velocity etc.) signal, after process shift frequency key decoder for decoding becomes data signal, delivering to the single-chip microprocessor decompresses, reorganization, debug, demonstrate information material by LCD again, and do data storage, make and to reach the auxiliary position of surveying and following the trail of the shoal of fish, the function of ecology etc., and the electronic equipment of fluid,matching crystal display, so that fishery harvesting breed dealer's operation is convenient, and can guarantee the safety of fishery harvesting, confidentiality.

Be with, main purpose of the present invention is providing a kind of positioning buoy receiver, it is the special receiver that receives GPS information material that calling electric buoy is passed back, it is mainly after the GPS calling electric buoy sends signal, decoding, the decompression of single-chip processor, reorganization, debug via decoder, at last do the action that shows information material and storage, inquiry,, and can guarantee safety, the confidentiality of fishery harvesting so that fishery harvesting is cultured dealer's operation is convenient by LCD.

Description of drawings

Fig. 1 commonly uses the electric buoy that navigation uses and the enforcement illustration of receiver.

Fig. 2 is a basic structure calcspar of the present invention.

Fig. 3 is a short-wave receiver circuit diagram of the present invention.

Fig. 4 is shift frequency key decoder circuit figure of the present invention.

Fig. 5 is single-chip microcontroller circuit figure of the present invention.

Fig. 6 is the panel figure of LCD of the present invention.

Fig. 7 is power filter of the present invention and mu balanced circuit figure.

Fig. 8 is embodiments of the invention figure.

Symbol description:

10............ electric buoy 20............ receiver

1............ short-wave receiver 11............ reception antenna

12............ local oscillations 13............BFO oscillator stage

2............ shift frequency key decoder 3............ single-chip microprocessor

4............ liquid crystal is device 41............ keyboard not

42............ knob 5............ power filter and mu balanced circuit

A............ positioning buoy receiver b............GPS calling electric buoy

C............ exhalation machine

Embodiment

Modern for making your juror to the present invention further understanding be arranged, Zi Zuo is illustrated with following specific embodiment.

Please the juror consult shown in Figure 2, positioning buoy receiver of the present invention, it is the special receiver that receives GPS information material that calling electric buoy is passed back, it comprises short-wave receiver 1, shift frequency key decoder 2, single-chip microprocessor 3, LCD 4 and power filter and mu balanced circuit 5, wherein:

Short-wave receiver 1 (circuit diagram such as Fig. 3), it is provided with reception antenna 11 (as Fig. 2), mainly be the signal of receiving to be done height put, deliver to shift frequency key decoder 2 after mixing and the detection, that is after reception antenna 11 receives the signal of passing back, the height of delivering to short-wave receiver 1 is put level, this level is done high-gain by a 3SK7 3MOSFET, the amplification of low noise index, deliver to mixer stage (mixer stage is served as by 2SK192FET) again, local signal of being sent here by local oscillations 12 (see figure 3)s and height are put and are done the superhet mixing, T3-T5 is an intermediate-frequency strip, BFO oscillator stage 13 is sneaked into by the base stage of second intermediate frequency, to produce a difference frequency, make this receiver become a CW receiver, detection is done half-wave detection output by D1, delivers to shift frequency key decoder 2 again.

Shift frequency key (FSK) decoder 2 (circuit diagram such as Fig. 4) in order to the signal interpretation (solving fsk signal) that short-wave receiver 1 is delivered to, becomes the data signal of a string " 0 " and " 1 ", and is sent to single-chip microprocessor 3.It is to make active bandpass filter via OP LM324 earlier, send into IC MC145443P (this IC is the FSK decoder of the MOTOROLA company special use of being produced) again, the shift frequency frequency difference is that 170Hz, transfer rate are that 100bps, audio frequency 2025HZ are " H " high bit " 1 ", and 2195Hz is " L " low level " 0 ".

Single-chip microprocessor 3 (circuit diagram such as Fig. 5) is to do decompression, reorganization, debug in order to the data signal that shift frequency key decoder 2 is delivered to, and with it storage, and deliver to LCD 4 behind the format transformation again.Its compressed signal that is meant that shift frequency key decoder 2 is delivered to is done first group of signal earlier and is received.Debug and storage, next second group and the 3rd group of signal via debug after again with first group of comparison and combination.Can make the signal that transmits more accurate really, and make signal be converted into the liquid crystal display form, to show information material.

LCD 4 (panel figure such as Fig. 6), it is the information material of delivering to by single-chip microprocessor 3 in order to show (as clock, longitude and latitude, water temperature, flow velocity etc.), and the store information data is in temporary storage, its sorrowful limit has keyboard 4* and knob 42, can be in order to all functions of the display position of controlling LCD 4, as setpoint frequency, store electricity buoy group, the time difference, zone, the page etc., for inquiring about and store.

Power filter and mu balanced circuit 5 (circuit diagram such as Fig. 7) are to make power supply that two groups of independent current sources are provided through this, and one group is the 12V power supply, be supplied to short-wave receiver 1, another group is supplied to shift frequency key decoder 2, single-chip microprocessor 3 and LCD 4 for the 5V power supply, makes it steady operation.It is meant that power supply imported by external 24V, earlier through 3 road π shape power filters, sends into 7805 and 7812 voltage stabilizing IC again, makes output be stable at 5V and 12V.And power supply can directly be supplied by the DC24V on the ship, or is connected to this machine direct-flow input end and supply power by the power transformer 4 of 110V change 24V.

Moreover, after wherein this single-chip microprocessor 3 is done decompression, reorganization, debug with data signal, signal can be converted into RS-232 interface, to be shown in external equipment (as the PC calculator on sea chart instrument or the vessel).

Hold the group structure and when implementing (as Fig. 8), positioning buoy receiver a of the present invention be to cooperate GPS calling electric buoy b and the special receiver that uses, and GPS calling electric buoy b can cooperate exhalation machine c again and implement.

During the invention process (as Fig. 2), by power supply through power filter and mu balanced circuit 5 so that 5V and 12V power supply to be provided, and behind the signal that short-wave receiver 1 is obtained via reception antenna 11, put through too high, mixing, detection, deliver to shift frequency key decoder 2 with signal interpretation (solving fsk signal), become the data signal of a string " 0 " and " 1 ", and be sent to single-chip microprocessor 3, again through decompressing, reorganization, debug, and with it storage, and deliver to LCD 4 (or external equipment behind the format transformation again, as the PC calculator on sea chart instrument or the vessel), and make the information material of obtaining (as clock, longitude and latitude, water temperature, water (flow) direction, flow velocity etc.), can directly be shown in LCD 4 (or external equipment, as the PC calculator on sea chart instrument or the vessel) on, and become electronic chart and the information immediately of being correlated with, and know the variation of shoal of fish life habit and ocean ocean current, add crewman's senior experience, make in the position of surveying and following the trail of the shoal of fish, aspects such as ecology, significantly promote its operation convenience, and can guarantee the safety of fishery harvesting, confidentiality.And can significantly reduce using and storing of paper formula ship Haiti figure, make the cabin space can do preferable utilization.

Further, the present invention also can be applicable to the detecting of marine facies, as can with hydraulic inductor or vibration sensor be added on the electric buoy, the outer marine variation (as earthquake, tsunami) that detects marine facies that can be outside the hundreds of kilometer, so can predict ahead of time, human life, property be damaged avoiding.

The above is preferred embodiment of the present invention only, is not to be used for limiting scope of the invention process.All equalizations of being done according to the present patent application claim change and modify, and are all claim of the present invention and contain.

Claims

1, a kind of positioning buoy receiver comprises short-wave receiver, shift frequency key decoder, single-chip microprocessor, LCD, power filter and mu balanced circuit, wherein:

Short-wave receiver is provided with reception antenna, mainly is the signal of receiving is done that height is put, delivered to shift frequency key decoder after mixing and the detection;

Shift frequency key decoder in order to the signal interpretation that short-wave receiver is delivered to, becomes the data signal of a string " 0 " and " 1 ", and is sent to the single-chip microprocessor; The single-chip microprocessor is to do decompression, reorganization, debug in order to the data signal that shift frequency key decoder is delivered to, and with it storage, and deliver to LCD behind the format transformation again;

LCD be the information material of being delivered to by the single-chip microprocessor in order to show, and the store information data is in temporary storage;

Power filter and mu balanced circuit are to make power supply that two groups of independent current sources are provided through this, and one group is the 12V power supply, is supplied to short-wave receiver, and another group is supplied to shift frequency key decoder, single-chip microprocessor and LCD for the 5V power supply.

2, positioning buoy receiver according to claim 1, wherein, the single-chip microprocessor is the compressed signal that shift frequency key decoder is delivered to be done first group of signal earlier receive debug and storage, next second group and the 3rd group of signal via debug after again with first group of comparison and combination, and make signal be converted into the liquid crystal display form.

3, positioning buoy receiver according to claim 1, wherein, the side of LCD has keyboard and knob.

4, positioning buoy receiver according to claim 1, wherein, the single-chip microprocessor can be converted into RS-232 interface with signal after data signal is done decompression, reorganization, debug, to be shown in external equipment.