CN104883228A - Overwater-underwater dual-purpose portable search-and-rescue position indicating beacon and position indicating method - Google Patents
Overwater-underwater dual-purpose portable search-and-rescue position indicating beacon and position indicating method Download PDFInfo
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- CN104883228A CN104883228A CN201510307814.4A CN201510307814A CN104883228A CN 104883228 A CN104883228 A CN 104883228A CN 201510307814 A CN201510307814 A CN 201510307814A CN 104883228 A CN104883228 A CN 104883228A
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- 230000002463 transducing effect Effects 0.000 claims description 31
- 238000001514 detection method Methods 0.000 claims description 12
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- 230000026683 transduction Effects 0.000 abstract 2
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- 239000013078 crystal Substances 0.000 description 6
- 230000009429 distress Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
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- 229910002113 barium titanate Inorganic materials 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
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- 229940074446 sodium potassium tartrate tetrahydrate Drugs 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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Abstract
The invention discloses an overwater-underwater dual-purpose portable search-and-rescue position indicating beacon and a position indicating method. The overwater-underwater dual-purpose portable search-and-rescue position indicating mark comprises a positioning device, a microcontroller, an AIS transmitting device and an underwater acoustic transduction device, wherein the positioning device is connected with the microcontroller, and used for acquiring current location information and sending the current location information to the microcontroller; the microcontroller receives the location information sent by the positioning device and sends the location information to the AIS transmitting device; the AIS transmitting device is connected with the microcontroller, receives the location information sent by the microcontroller and transmits the location information outward according to a set time interval; and the underwater acoustic transduction device is used for generating acoustic signals. Application of the search-and-rescue position indicating beacon and the position indicating method disclosed by the invention an solve a problem that an existing search-and-rescue position indicating beacon cannot indicate the position overwater and underwater, thereby being convenient for the search-and-rescue personnel to rescue a rescued person.
Description
Technical field
The invention belongs to lifesaving indicating device technical field, specifically, relate to portable search and rescue position indicating mark, more particularly, relate to a kind of dual-purpose portable under water waterborne and search and rescue position indicating mark and show method for position.
Background technology
In recent years, along with the quick growth of global economy, the status of maritime traffic transport is day by day remarkable, particularly boats and ships science and technology develop the emergence with marine economy rapidly, make world shipping market obtain unprecedented expansion and development.The fast development of world shipping industry, while bringing tremendous economic interests, also makes maritime traffic situation become and becomes increasingly complex.Although advanced navigator all installed by present most of boats and ships, collide, hit a submerged reef, stranded, sinking etc. causes the Maritime Traffic Accident of great loss of life or personal injury still to occur repeatedly, life is priceless, and maritime search and rescue work has a very important role.
At present, sea show position conventional be that AIS portable emergency searches and rescues position indicating mark (AIS-MOB), be a kind ofly utilize ship's fix technology AIS, the portable emergency that can be arranged on life vest or carry with shows a warning device.This equipment is by manually starting or overboard automatic startup, and the dedicated channel of AIS channel or assignment sends individual position and warning message, and this information can be received by all AIS terminal equipments in certain distance and base station equipment and show.Position indicating mark is searched and rescued by being equipped with AIS portable emergency on the personnel of cabin work or the body of visitor, in danger or have man overboard once boats and ships, rescue worker can according to emergency rescue position indicating mark or boats and ships in danger time the position reported, persons falling in water is searched and rescued, can search efficiency be improved.
There is familiar lacunas in AIS-MOB of the prior art, namely only just can send distress signal when carrier is in the water surface or land, once enter water, because ais signal at water transmission, thus can not cannot realize Underwater Navigation instruction.Due to boats and ships in danger time sea situation rather harsh, original position can not be rested on after man overboard, along with the loss of time, under the effect of wind-force and ocean current, persons falling in water can waft from the position of recording time in danger before, therefore, the positional information sent when relying in danger cannot correctly guide rescue worker to carry out trapped personnel under water, the searching of wrecked personnel, and plays inhibition to rescue in time.
In addition, traditional AIS-MOB generally comprises the part such as battery, starting switch, GPS locator, microcontroller, AIS controller and modulator, power amplifier, AIS transmitting antenna.Its operation principle is: artificial or after meeting water starting switch, microcontroller receives the positional information that GPS locator is sent here, and by this information by being amplified by power amplifier after AIS controller and modulators modulate coding, then sends through AIS transmitting antenna.In this process, power amplifier is one of critical piece of consumes battery electric energy.If after AIS-MOB is overboard and when there is no the receiving equipment that can receive ais signal in certain distance, the transmitting of AIS-MOB just belongs to invalid transmitting, only can expend the electric energy of AIS-MOB battery in vain, this just directly causes shortening the time can succouring overboard distress personnel, have impact on search and rescue effect.
Summary of the invention
The object of this invention is to provide a kind of dual-purpose portable under water waterborne search and rescue position indicating mark and show method for position, cannot waterborne, the problem that all can show position under water to solve existing search and rescue position indicating mark.
For achieving the above object, search and rescue position indicating mark provided by the invention adopts following technical proposals to be achieved:
A kind of dual-purpose portable under water waterborne searches and rescues position indicating mark, comprises positioner, microcontroller, AIS emitter and underwater sound transducing head, wherein:
Described positioner, is connected with described microcontroller, for obtaining current location information, and is sent to described microcontroller;
Described microcontroller, receives the positional information that described positioner sends, described positional information is sent to described AIS emitter;
Described AIS emitter, is connected with described microcontroller, receives the positional information that described microcontroller sends, outwards launches described positional information according to setting-up time interval;
Described underwater sound transducing head, for sending acoustic signals.
Search and rescue position indicating mark as above, described search and rescue position indicating mark also includes the unit of sense switch under water waterborne, the described unit of sense switch under water waterborne has described underwater sound transducing head idle first position of the switch when described positioner, described microcontroller and described AIS emitter are worked on power, and described positioner, described microcontroller and described AIS emitter power-off out-of-work second switch position when described underwater sound transducing head is worked on power.
Search and rescue position indicating mark as above, described search and rescue position indicating mark also comprises AIS receiving system, is connected with described microcontroller, for receiving the ais signal that AIS equipment around sends, and processed by the described ais signal received, and the data after process are sent to described microcontroller; Described microcontroller receives the data that described AIS receiving system sends, and judges that whether these data are effective; When described data are effective, described AIS emitter outwards launches described positional information according to very first time interval; When described data invalid, described AIS emitter outwards launches described positional information according to second time interval, and described second interval greater than described very first time interval, or, when described data invalid, described AIS emitter does not outwards launch described positional information.
Search and rescue position indicating mark as above, described AIS receiving system comprises:
AIS reception antenna, for receiving the described ais signal that AIS equipment around sends;
Testing result data for amplifying and detecting in described ais signal the carrier frequency point whether comprised belonging to ais signal, and are sent to described microcontroller by ais signal frequency detection circuit;
Described microcontroller judges the testing result data that described ais signal frequency detection circuit sends, and as being yes, then judges that these testing result data are as effective; As being no, then judge that these testing result data are as invalid.
Search and rescue position indicating mark as above, described AIS receiving system comprises:
AIS reception antenna, for receiving the described ais signal that AIS equipment around sends;
Ais signal data after demodulation for amplifying and ais signal described in demodulation, and are sent to described microcontroller by AIS demodulator circuit;
Whether comprising No. MMSI, 9 standards in described ais signal data after described microcontroller judges demodulation, as comprised, then judging that these ais signal data are as effective;
If do not comprised, then whether comprising No. MO, standard I in the described ais signal data after judging demodulation further, as comprised, then judging that these ais signal data are as effective; If do not comprised, then judge that these ais signal data are as invalid.
Search and rescue position indicating mark as above, described AIS emitter comprises:
AIS modulation amplifying circuit, the input of described AIS modulation amplifying circuit is connected with described microcontroller, for encoding successively to described positional information, convert, modulate and amplify, realizes the conversion of digital signal to radiofrequency signal;
AIS transmitting antenna, the input of described AIS transmitting antenna is connected with the output of described AIS modulation amplifying circuit, for completing the transmitting to described radiofrequency signal.
Preferably, described AIS transmitting antenna and described AIS reception antenna are same AIS antenna, are switched by variable connector, to realize different functions.
For realizing aforementioned invention object, provided by the invention show method for position adopt following technical proposals realize:
What dual-purpose portable under water waterborne searched and rescued position indicating mark shows a method for position, and described method comprises waterbornely to be shown a process and shows a process under water, describedly waterbornely shows that a process comprises:
Positioner obtains current location information, and is sent to microcontroller;
Described microcontroller receives the positional information that described positioner sends, and described positional information is sent to AIS emitter;
Described AIS emitter receives the described positional information that described microcontroller sends, and outwards launches described positional information according to setting-up time interval;
Describedly show that a process comprises under water:
Underwater sound transducing head sends acoustic signals.
Show method for position as above, described method also comprise utilize the unit inspection of sense switch under water waterborne to judge described search and rescue position indicating mark is positioned at process waterborne or under water, when judging that described search and rescue position indicating mark is positioned at waterborne, described positioner, described microcontroller and described AIS emitter are worked on power, perform and describedly waterbornely show a process, the power-off of described underwater sound transducing head is quit work, described in closedown, shows a process under water; When judging that described search and rescue position indicating mark is positioned under water, described positioner, described microcontroller and the power-off of described AIS emitter being quit work, closing and describedly waterbornely showing a process, described underwater sound transducing head being worked on power, described in execution, shows a process under water.
Show method for position as above, describedly waterbornely show that a process also comprises:
Utilize the ais signal that around the reception of AIS receiving system, AIS equipment sends, and the described ais signal received is processed, and the data after process are sent to described microcontroller;
Described microcontroller receives the data that described AIS receiving system sends, and judges that whether these data are effective; When described data are effective, described AIS emitter outwards launches described positional information according to very first time interval; When described data invalid, described AIS emitter outwards launches described positional information according to second time interval, and described second interval greater than described very first time interval, or, when described data invalid, described AIS emitter does not outwards launch described positional information.
Show method for position as above, the described AIS of utilization receiving system receives the ais signal that AIS equipment around sends, and is processed by the described ais signal received, and the data after process are sent to described microcontroller, is specially:
The described ais signal that around being received by AIS reception antenna, AIS equipment sends;
Amplified by ais signal frequency detection circuit and detect in described ais signal the carrier frequency point whether comprised belonging to ais signal, and testing result is sent to described microcontroller;
Described microcontroller receives the data that described AIS receiving system sends, and judges that whether these data are effective, is specially:
Described microcontroller judges the testing result data that described ais signal frequency detection circuit sends, and as being yes, then judges that these testing result data are as effective; As being no, then judge that these testing result data are as invalid.
Show method for position as above, the described AIS of utilization receiving system receives the ais signal that AIS equipment around sends, and is processed by the described ais signal received, and the data after process are sent to described microcontroller, is specially:
The described ais signal that around being received by AIS reception antenna, AIS equipment sends;
Amplified by AIS demodulator circuit and ais signal described in demodulation, and the ais signal data after demodulation are sent to described microcontroller;
Described microcontroller receives the data that described AIS receiving system sends, and judges that whether these data are effective, is specially:
Whether comprising No. MMSI, 9 standards in described ais signal data after described microcontroller judges demodulation, as comprised, then judging that these ais signal data are as effective;
If do not comprised, then whether comprising No. MO, standard I in the described ais signal data after judging demodulation further, as comprised, then judging that these ais signal data are as effective; If do not comprised, then judge that these ais signal data are as invalid.
Compared with prior art, advantage of the present invention and good effect are:
1, the present invention by arranging positioner, microcontroller, AIS emitter and underwater sound transducing head in search and rescue position indicating mark, on the water can under the control of the micro-controller, the positional information that utilizes AIS emitter emitting positioner to obtain, realize the transmission of AIS distress signal, can in time for rescue worker provides position accurately; And underwater sound transducing head can be utilized under water to send acoustic signals, target location is accurately located, provides position accurately to rescue worker, facilitate rescue worker to rescue fast.
2, the present invention by arranging AIS receiving system in search and rescue position indicating mark, when to show on the water, determine whether sending or sending ais signal with high frequency according to whether receiving ais signal around, because the power consumption of AIS receiving system is much smaller than the power consumption of AIS emitter, avoid and to send because surrounding there is not AIS receiving equipment or high frequency sends the search and rescue position indicating mark power consumption that ais signal causes, extend the effective time of searching and rescuing position indicating mark, also the time outwards sending distress signal is namely extended, and then shorten the time that rescue worker carries out searching and rescuing, improve search and rescue effect.
After reading the specific embodiment of the present invention by reference to the accompanying drawings, the other features and advantages of the invention will become clearly.
Accompanying drawing explanation
Fig. 1 is the theory diagram that the present invention's dual-purpose portable under water waterborne searches and rescues position indicating mark first embodiment;
Fig. 2 is the theory diagram that the present invention's dual-purpose portable under water waterborne searches and rescues position indicating mark second embodiment;
Fig. 3 is the theory diagram of the first embodiment of Fig. 2 second embodiment;
Fig. 4 is the theory diagram of the second embodiment of Fig. 2 second embodiment;
Fig. 5 is the theory diagram of the third embodiment of Fig. 2 second embodiment;
Fig. 6 is the flow chart showing method for position first embodiment that the present invention's dual-purpose portable under water waterborne searches and rescues position indicating mark;
Fig. 7 is the flow chart showing method for position second embodiment that the present invention's dual-purpose portable under water waterborne searches and rescues position indicating mark.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below with reference to drawings and Examples, the present invention is described in further detail.
Refer to Fig. 1, this figure is depicted as the theory diagram that the present invention's dual-purpose portable under water waterborne searches and rescues position indicating mark first embodiment.As shown in Figure 1, the search and rescue position indicating mark of this embodiment comprises positioner 11, microcontroller 12, AIS emitter 13 and underwater sound transducing head 14, wherein:
Positioner 11, is connected with microcontroller 12, for obtaining current location information, and is sent to microcontroller 12.Positioner 11 can for GPS locating module, GNSS(GLONASS (Global Navigation Satellite System)) locating module, one or more in Big Dipper locating module combinationally use, as long as can realize locating and obtain the function of positional information and passable.Positional information can comprise latitude and longitude information and the current time at current search and rescue position indicating mark place.
Microcontroller 12, the positional information that receiving positioner 11 sends, sends to AIS emitter 13 by positional information.
AIS emitter 13, is connected with microcontroller 12, receives the positional information that microcontroller 12 sends, outwards launches this positional information according to setting-up time interval.AIS emitter 13 can adopt prior art to realize, basic function is according to AIS standard-required by positional information, the conversion of digital signal to radiofrequency signal is carried out to this positional information, and the positional information being converted to radiofrequency signal is encapsulated as standard A IS signal launches.Concrete structure can comprise: AIS modulation amplifying circuit, and its input is connected with microcontroller 12, carries out successively encoding, convert, modulate and amplifying, realize the conversion of digital signal to radiofrequency signal for location information; AIS transmitting antenna, its input is connected with the output of AIS modulation amplifying circuit, for completing the transmitting to described radiofrequency signal.In addition, AIS emitter 13 can also adopt the mode of software radio to launch.
Described underwater sound transducing head, for sending acoustic signals.Sound wave is the known fluctuation uniquely can propagated in water medium and long distance, good more than electromagnetic wave (as radio wave, light wave etc.) in this respect, accurately can locate the target within the scope of 60 meters, the underwater depth of water, radius 1000 meters.Specifically, underwater sound transducing head utilizes crystal (quartz or the sodium potassium tartrate tetrahydrate) piezoelectric effect of piezoelectric ceramic (barium titanate and lead zirconate titanate etc.) or the magnetostrictive effect of iron-nickel alloy to carry out work.So-called piezoelectric effect, thinly slices crystal in certain direction exactly, and apply pressure on crystal microchip, and its both ends of the surface can produce positive charge and negative electrical charge respectively.Otherwise, when crystal microchip applies tensile force, its two end faces will produce the electric charge contrary with during plus-pressure.Contrary with piezoelectric effect is electrostriction effect, and namely on two end faces of crystal, apply alternating voltage, crystal will produce corresponding mechanical deformation.Electrostriction effect and piezoelectric effect can be utilized to produce and receive ultrasonic wave.
By arranging positioner, microcontroller, AIS emitter and underwater sound transducing head in search and rescue position indicating mark, on the water can under the control of the micro-controller, the positional information that utilizes AIS emitter emitting positioner to obtain, realize the transmission of AIS distress signal, can in time for rescue worker provides position accurately; And underwater sound transducing head can be utilized under water to send acoustic signals, target location is accurately located, provides position accurately to rescue worker, facilitate rescue worker to rescue fast.
The positioner 11 showing position for waterborne, microcontroller 12, AIS emitter 13 and show the underwater sound transducing head 14 of position under water, can power on operation after search and rescue position indicating mark starts always.In order to reduce the consumption to electric energy, preferably, the unit of sense switch under water 15 waterborne is set in search and rescue position indicating mark.This unit of sense switch under water 15 waterborne has underwater sound transducing head 14 power-off out-of-work first position of the switch when positioner 11, microcontroller 12 and AIS emitter 13 are worked on power, and positioner 11, microcontroller 12 and AIS emitter 13 power-off out-of-work second switch position when underwater sound transducing head 14 is worked on power.Also namely: when sense switch unit 15 is in first position of the switch under water on the water, represent that now searching and rescuing position indicating mark is positioned at (comprising the water surface) waterborne, positioner 11, microcontroller 12 and AIS emitter 13 work on power, and realize waterbornely showing position; And underwater sound transducing head 14 power-off quits work, avoid power consumption.When sense switch unit 15 is in second switch position under water on the water, represent that now searching and rescuing position indicating mark is positioned under water, underwater sound transducing head 14 works on power, and realizes showing position under water; And positioner 11, microcontroller 12 and AIS emitter 13 power-off quit work, avoid power consumption.
Refer to Fig. 2, this figure is depicted as the theory diagram that the present invention's dual-purpose portable under water waterborne searches and rescues position indicating mark second embodiment.As shown in Figure 2, the search and rescue position indicating mark of this embodiment, except comprising positioner 21, microcontroller 22, AIS emitter 23, underwater sound transducing head 24 and the unit of sense switch under water 25 waterborne, also includes AIS receiving system 26.
Wherein, AIS receiving system 26 is connected with microcontroller 22, for receiving the ais signal that AIS equipment around sends, and is processed by the ais signal received, and the data after process are sent to microcontroller.And the positional information that microcontroller 22 sends except receiving positioner 21, positional information is sent to except AIS emitter 23, also receive the data that AIS receiving system 26 sends, and judge that whether these data are effective.When described data are effective, AIS emitter 23 will according to the outside transmitting site information in very first time interval; When data invalid, AIS emitter 23 will according to the second time interval outside transmitting site information, and second interval greater than described very first time interval; Or when data invalid, AIS emitter 23 does not outwards launch described positional information.
As a kind of specific implementation, very first time interval can be the ais signal that transmission 8 frame per minute comprises positional information, second time interval can be the ais signal that transmission 1 frame per minute comprises positional information, or at interval of the ais signal that ten minutes send 8 frames and comprise positional information.
As another kind of specific implementation, very first time interval can be the ais signal that transmission 8 frame per minute comprises positional information, second time interval can for sending at interval of 30 minutes the ais signal once comprising positional information, and sending duration is one minute, comprises 8 frame ais signals altogether;
In a word, very first time interval refers to the normal interval time outwards sending ais signal, and second time interval can refer to outwards to send ais signal long interval time, to reduce power consumption.Those skilled in the art should be appreciated that the time interval of other set-up modes is also within the claimed scope of patent of the present invention, and concrete interlude can go setting just passable according to concrete needs.When data invalid, can not also outside transmitting site information, until when data are effective, just with the outside transmitting site information in very first time interval.
In this embodiment, by arranging AIS receiving system in search and rescue position indicating mark, when to show on the water, determine whether sending or sending ais signal with high frequency according to whether receiving ais signal around, because the power consumption of AIS receiving system is much smaller than the power consumption of AIS emitter, avoid and to send because surrounding there is not AIS receiving equipment or high frequency sends the search and rescue position indicating mark power consumption that ais signal causes, extend the effective time of searching and rescuing position indicating mark, also the time outwards sending distress signal is namely extended, and then shorten the time that rescue worker carries out searching and rescuing, improve search and rescue effect.
For AIS receiving system, various ways can be adopted realize, can with reference to shown in figure 3, Fig. 4 and Fig. 5 and below to the description of each figure.
Show the theory diagram of the first embodiment of Fig. 2 second embodiment as Fig. 3, AIS receiving system 26 comprises:
AIS reception antenna 261, for receiving the ais signal that AIS equipment around sends.
Testing result data for amplifying and detecting in ais signal the carrier frequency point whether comprised belonging to ais signal, and are sent to microcontroller 22 by ais signal frequency detection circuit 262.Carrier frequency point can be 161.975MHz, 162.025MHz or other reserved frequencies.
Specifically, (frequency range belonging to ais signal is generally: 156.025MHz-162.025MHZ) after ais signal frequency detection circuit 262 can adopt filter circuit to carry out filtering to the frequency range belonging to ais signal, observe frequency spectrum by Fourier transform and realize, as long as it can realize detection whether the carrier frequency point belonging to ais signal and passable.On this basis, microcontroller 22 judges the testing result data that ais signal frequency detection circuit 262 sends, and as being yes, then judges that these testing result data are as effective; As being no, then judge that these testing result data are as invalid.
Judge whether have AIS equipment around by the carrier frequency point detected belonging to ais signal, when applying to maritime searching and rescue occasion, then whether have the boats and ships carrying AIS equipment around judging or search and rescue strength appearance.Owing to judging by means of only detected carrier frequency, do not need to carry out analysis judgment to the ais signal received, the operation time of microcontroller 22 can be effectively reduced, thus energy consumption can be reduced further, extend the effective time of searching and rescuing position indicating mark.
Show the theory diagram of the second embodiment of Fig. 2 second embodiment as Fig. 4, AIS receiving system 26 comprises:
AIS reception antenna 263, for receiving the ais signal that AIS equipment around sends.
Ais signal data after demodulation for amplifying and demodulation ais signal, and are sent to microcontroller 22 by AIS demodulator circuit 264.
On this basis, in the ais signal data after microcontroller 22 judges demodulation, whether comprising No. MMSI, 9 standards, as comprised, then judging that these ais signal data are as effective; If do not comprised, then whether comprising No. MO, standard I in the ais signal data after judging demodulation further, as comprised, then judging that these ais signal data are as effective; If do not comprised, then judge that these ais signal data are as invalid.Wherein, MMSI refers to that maritime mobile service identifies, and is row 9 digit numeric code that marine radio communication system sends in its radio channel; IMO is the identification code of International Maritime Organization, is the code of every ship name, is the unique code of 7 pure digi-tal.
As other implementations, the ais signal that AIS receiving system 26 can also adopt the mode of software radio to receive AIS equipment around to send, and processed by software radio by the ais signal received, and the data after process are sent to microcontroller 22.On this basis, microcontroller 22 can adopt the mode of software to judge that whether these data are effective equally.
Those skilled in the art should be appreciated that the mode receiving the ais signal that AIS equipment around sends has a variety of, and the method for process ais signal also has a variety of, judge that the whether effective mode of ais signal also has a variety of, as long as can realize above-mentioned functions.Search and rescue in position indicating mark at a dual-purpose portable under water waterborne, wherein a kind of implementation can be selected, or integrated multiple implementation, for user's choice for use which, or to use simultaneously.
Figure 5 shows that the theory diagram of the third embodiment of Fig. 2 second embodiment.As shown in Figure 5, the AIS transmitting antenna of AIS emitter 23 and the AIS reception antenna of AIS receiving system 26 are same AIS antenna 28, and are switched by variable connector 27, to realize different functions.Specific works process is: microcontroller 22 can control variable connector 27 and AIS antenna 28 is switched to transmission channel or receive path.When searching and rescuing position indicating mark and working in the state receiving ais signal, AIS antenna 28 is switched to receive path (simultaneously disconnecting transmission channel) by variable connector 27; When searching and rescuing position indicating mark and working in the state sending own location information, then AIS antenna 28 is switched to transmission channel (simultaneously disconnecting receive path) by variable connector 27.By this kind of method to set up, be convenient to reduce the volume of searching and rescuing position indicating mark, make the portability of this search and rescue position indicating mark better.
In above-mentioned Fig. 2 to Fig. 5 embodiment, illustrate in the drawings, describe NM parts above, concrete function can refer to the description of Fig. 1 embodiment.
Refer to Fig. 6, this figure is depicted as the flow chart showing method for position first embodiment that the present invention's dual-purpose portable under water waterborne searches and rescues position indicating mark.The flow process of this embodiment has been come based on the search and rescue position indicating mark structure of Fig. 1 embodiment.
As shown in Figure 6, this embodiment utilizes dual-purpose portable under water waterborne search and rescue position indicating mark to carry out showing that the method for position comprises following each step:
Step 60: search and rescue position indicating mark and start, start working.Determine whether waterbornely to show position.If so, perform the waterborne of step 61 and show a process; Otherwise represent to perform and show position under water, what perform step 65 shows a process under water.
Step 61: perform and waterbornely show a process.
Step 62: positioner obtains current location information, and is sent to microcontroller.
Step 63: the positional information that microcontroller receiving positioner sends, sends to AIS emitter by positional information.
Step 64:AIS emitter receives the positional information that microcontroller sends, according to the outside transmitting site information in setting-up time interval.
Step 65: perform and show a process under water.
Step 66: underwater sound transducing head sends acoustic signals.
For the judgement of step 60, various ways can be adopted realize.Wherein a kind of implementation is: searching and rescuing position indicating mark is positioned at waterborne or under water to utilize the unit inspection of sense switch under water waterborne to judge, when judging that searching and rescuing position indicating mark is positioned at waterborne, positioner, microcontroller and AIS emitter are worked on power, perform and waterbornely show a process, and the power-off of underwater sound transducing head is quit work, show a process described in closedown under water; When judging that searching and rescuing position indicating mark is positioned under water, positioner, microcontroller and the power-off of AIS emitter being quit work, closes and waterbornely show a process, underwater sound transducing head is worked on power, performing and show a process under water.
And, waterbornely show a process and show that a process may hocket under water.Such as, before search and rescue position indicating mark is overboard, performs and waterbornely show position; After search and rescue position indicating mark is overboard, performs and show position under water; The passing of time at any time, overboard search and rescue position indicating mark floats to again waterborne, then again perform waterbornely to show position.
The good effect of this embodiment implementation procedure and generation more specifically, refers to the description of Fig. 1 embodiment.
Refer to Fig. 7, this figure is depicted as the flow chart showing method for position second embodiment that the present invention's dual-purpose portable under water waterborne searches and rescues position indicating mark.The flow process of this embodiment has been come based on the search and rescue position indicating mark structure of Fig. 2 embodiment.
As shown in Figure 7, this embodiment utilizes dual-purpose portable under water waterborne search and rescue position indicating mark to carry out showing that the method for position comprises following each step:
Step 70: search and rescue position indicating mark and start, start working.Determine whether waterbornely to show position.If so, perform the waterborne of step 71 and show a process; Otherwise represent to perform and show position under water, what perform step 76 shows a process under water.
Step 71: perform and waterbornely show a process.
Step 72: positioner obtains current location information, and is sent to microcontroller.
Step 73: utilize the ais signal that around the reception of AIS receiving system, AIS equipment sends, and the ais signal received is processed, and the data after process are sent to described microcontroller.
Step 74: the positional information that microcontroller receiving positioner sends and the data that AIS receiving system sends, judges that whether data are effective, positional information is sent to AIS emitter simultaneously.
Step 75:AIS emitter receives the positional information that microcontroller sends, according to the judged result transmitting site information of microcontroller to data.Specifically, when data are effective, AIS emitter is according to the outside transmitting site information in very first time interval; When data invalid, AIS emitter is according to the second time interval outside transmitting site information, and second interval greater than very first time interval, or when data invalid, AIS emitter does not outwards launch described positional information.
Step 76: perform and show a process under water.
Step 77: underwater sound transducing head sends acoustic signals.
The good effect of this embodiment implementation procedure and generation more specifically, refers to the description of Fig. 2 embodiment.
Above embodiment only in order to technical scheme of the present invention to be described, but not is limited; Although with reference to previous embodiment to invention has been detailed description, for the person of ordinary skill of the art, still can modify to the technical scheme described in previous embodiment, or equivalent replacement is carried out to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the present invention's technical scheme required for protection.
Claims (12)
1. dual-purpose portable under water waterborne searches and rescues a position indicating mark, it is characterized in that, comprises positioner, microcontroller, AIS emitter and underwater sound transducing head, wherein:
Described positioner, is connected with described microcontroller, for obtaining current location information, and is sent to described microcontroller;
Described microcontroller, receives the positional information that described positioner sends, described positional information is sent to described AIS emitter;
Described AIS emitter, is connected with described microcontroller, receives the positional information that described microcontroller sends, outwards launches described positional information according to setting-up time interval;
Described underwater sound transducing head, for sending acoustic signals.
2. search and rescue position indicating mark according to claim 1, it is characterized in that, described search and rescue position indicating mark also includes the unit of sense switch under water waterborne, the described unit of sense switch under water waterborne has described underwater sound transducing head idle first position of the switch when described positioner, described microcontroller and described AIS emitter are worked on power, and described positioner, described microcontroller and described AIS emitter power-off out-of-work second switch position when described underwater sound transducing head is worked on power.
3. search and rescue position indicating mark according to claim 1, it is characterized in that, described search and rescue position indicating mark also comprises AIS receiving system, be connected with described microcontroller, for receiving the ais signal that AIS equipment around sends, and processed by the described ais signal received, and the data after process are sent to described microcontroller; Described microcontroller receives the data that described AIS receiving system sends, and judges that whether these data are effective; When described data are effective, described AIS emitter outwards launches described positional information according to very first time interval; When described data invalid, described AIS emitter outwards launches described positional information according to second time interval, and described second interval greater than described very first time interval, or, when described data invalid, described AIS emitter does not outwards launch described positional information.
4. search and rescue position indicating mark according to claim 3, is characterized in that, described AIS receiving system comprises:
AIS reception antenna, for receiving the described ais signal that AIS equipment around sends;
Testing result data for amplifying and detecting in described ais signal the carrier frequency point whether comprised belonging to ais signal, and are sent to described microcontroller by ais signal frequency detection circuit;
Described microcontroller judges the testing result data that described ais signal frequency detection circuit sends, and as being yes, then judges that these testing result data are as effective; As being no, then judge that these testing result data are as invalid.
5. search and rescue position indicating mark according to claim 3, is characterized in that, described AIS receiving system comprises:
AIS reception antenna, for receiving the described ais signal that AIS equipment around sends;
Ais signal data after demodulation for amplifying and ais signal described in demodulation, and are sent to described microcontroller by AIS demodulator circuit;
Whether comprising No. MMSI, 9 standards in described ais signal data after described microcontroller judges demodulation, as comprised, then judging that these ais signal data are as effective;
If do not comprised, then whether comprising No. MO, standard I in the described ais signal data after judging demodulation further, as comprised, then judging that these ais signal data are as effective; If do not comprised, then judge that these ais signal data are as invalid.
6. the search and rescue position indicating mark according to claim 4 or 5, is characterized in that, described AIS emitter comprises:
AIS modulation amplifying circuit, the input of described AIS modulation amplifying circuit is connected with described microcontroller, for encoding successively to described positional information, convert, modulate and amplify, realizes the conversion of digital signal to radiofrequency signal;
AIS transmitting antenna, the input of described AIS transmitting antenna is connected with the output of described AIS modulation amplifying circuit, for completing the transmitting to described radiofrequency signal.
7. search and rescue position indicating mark according to claim 6, is characterized in that, described AIS transmitting antenna and described AIS reception antenna are same AIS antenna, are switched by variable connector, to realize different functions.
8. what dual-purpose portable under water waterborne searched and rescued position indicating mark shows a method for position, it is characterized in that, described method comprises waterbornely to be shown a process and shows a process under water, describedly waterbornely shows that a process comprises:
Positioner obtains current location information, and is sent to microcontroller;
Described microcontroller receives the positional information that described positioner sends, and described positional information is sent to AIS emitter;
Described AIS emitter receives the described positional information that described microcontroller sends, and outwards launches described positional information according to setting-up time interval;
Describedly show that a process comprises under water:
Underwater sound transducing head sends acoustic signals.
9. according to claim 8ly show method for position, it is characterized in that, described method also comprise utilize the unit inspection of sense switch under water waterborne to judge described search and rescue position indicating mark is positioned at process waterborne or under water, when judging that described search and rescue position indicating mark is positioned at waterborne, described positioner, described microcontroller and described AIS emitter are worked on power, perform and describedly waterbornely show a process, the power-off of described underwater sound transducing head is quit work, described in closedown, shows a process under water; When judging that described search and rescue position indicating mark is positioned under water, described positioner, described microcontroller and the power-off of described AIS emitter being quit work, closing and describedly waterbornely showing a process, described underwater sound transducing head being worked on power, described in execution, shows a process under water.
10. according to claim 8ly show method for position, it is characterized in that, describedly waterbornely show that a process also comprises:
Utilize the ais signal that around the reception of AIS receiving system, AIS equipment sends, and the described ais signal received is processed, and the data after process are sent to described microcontroller;
Described microcontroller receives the data that described AIS receiving system sends, and judges that whether these data are effective; When described data are effective, described AIS emitter outwards launches described positional information according to very first time interval; When described data invalid, described AIS emitter outwards launches described positional information according to second time interval, and described second interval greater than described very first time interval, or, when described data invalid, described AIS emitter does not outwards launch described positional information.
11. according to claim 10ly show method for position, it is characterized in that, the described AIS of utilization receiving system receives the ais signal that AIS equipment around sends, and is processed by the described ais signal received, and the data after process are sent to described microcontroller, be specially:
The described ais signal that around being received by AIS reception antenna, AIS equipment sends;
Amplified by ais signal frequency detection circuit and detect in described ais signal the carrier frequency point whether comprised belonging to ais signal, and testing result is sent to described microcontroller;
Described microcontroller receives the data that described AIS receiving system sends, and judges that whether these data are effective, is specially:
Described microcontroller judges the testing result data that described ais signal frequency detection circuit sends, and as being yes, then judges that these testing result data are as effective; As being no, then judge that these testing result data are as invalid.
12. according to claim 10ly show method for position, it is characterized in that, the described AIS of utilization receiving system receives the ais signal that AIS equipment around sends, and is processed by the described ais signal received, and the data after process are sent to described microcontroller, be specially:
The described ais signal that around being received by AIS reception antenna, AIS equipment sends;
Amplified by AIS demodulator circuit and ais signal described in demodulation, and the ais signal data after demodulation are sent to described microcontroller;
Described microcontroller receives the data that described AIS receiving system sends, and judges that whether these data are effective, is specially:
Whether comprising No. MMSI, 9 standards in described ais signal data after described microcontroller judges demodulation, as comprised, then judging that these ais signal data are as effective;
If do not comprised, then whether comprising No. MO, standard I in the described ais signal data after judging demodulation further, as comprised, then judging that these ais signal data are as effective; If do not comprised, then judge that these ais signal data are as invalid.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510307814.4A CN104883228B (en) | 2015-06-08 | 2015-06-08 | Dual-purpose portable under water waterborne is searched and rescued position indicating mark and shows a method |
| SG10201603541SA SG10201603541SA (en) | 2015-06-08 | 2016-05-04 | Portable Overwater-underwater Dual-purpose Search-and-rescue PositionIndicating Beacon and Position Indicating Method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510307814.4A CN104883228B (en) | 2015-06-08 | 2015-06-08 | Dual-purpose portable under water waterborne is searched and rescued position indicating mark and shows a method |
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| Publication Number | Publication Date |
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| CN104883228A true CN104883228A (en) | 2015-09-02 |
| CN104883228B CN104883228B (en) | 2017-03-29 |
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| CN201510307814.4A Active CN104883228B (en) | 2015-06-08 | 2015-06-08 | Dual-purpose portable under water waterborne is searched and rescued position indicating mark and shows a method |
Country Status (2)
| Country | Link |
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| CN (1) | CN104883228B (en) |
| SG (1) | SG10201603541SA (en) |
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| CN107884790A (en) * | 2017-10-26 | 2018-04-06 | 水科运达交通科技开发（北京）有限公司 | A kind of automatic station-keeping system for overboard object |
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| CN114545467A (en) * | 2022-02-22 | 2022-05-27 | 中国人民解放军海军航空大学青岛校区 | Cross-domain combined lifesaving positioning device and lifesaving method |
| CN114545467B (en) * | 2022-02-22 | 2024-06-07 | 中国人民解放军海军航空大学青岛校区 | Cross-domain combined lifesaving positioning device and lifesaving method |
Also Published As
| Publication number | Publication date |
|---|---|
| SG10201603541SA (en) | 2017-01-27 |
| CN104883228B (en) | 2017-03-29 |
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