CN2598266Y - Alarm calling apparatus for use on water distress - Google Patents
Alarm calling apparatus for use on water distress Download PDFInfo
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- CN2598266Y CN2598266Y CNU032018118U CN03201811U CN2598266Y CN 2598266 Y CN2598266 Y CN 2598266Y CN U032018118 U CNU032018118 U CN U032018118U CN 03201811 U CN03201811 U CN 03201811U CN 2598266 Y CN2598266 Y CN 2598266Y
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Abstract
The utility model relates to an alarm calling apparatus for use on water distress with digital selective calling (DSC) applied. The utility model comprises a functional panel circuit; a DSC alarm data generating circuit with the panel bus port being connected with the bus out of the functional panel circuit and the emission control port being externally connected with the control end of a transmitter; a modulation circuit with the signal input terminal being connected with the alarm data output terminal of the DSC alarm data generating circuit and the signal output terminal being externally connected with the audio input terminal of the transmitter; and a navigator adapter circuit which is externally connected with the data output terminal of the navigator with the output terminal being connected with the guidance information terminal of the DSC alarm data generating circuit. The utility model, which has appropriate and practical functions exclusively for use on distress alarm, can provide ship distress alarm information such as ship identification code, distress type, distress position and positioning time. Additionally, the utility model which has easy operation for correct and quick use in emergency is easy to be accepted willingly by non-SOLAS ships with simple structure and far lower cost than that of A Class or B Class DSC equipment.
Description
(1) technical field
The utility model relates to a kind of alarm calls device, and Applied Digital selective calling especially is exclusively used in the calling device of distress alerting waterborne.
(2) background technology
Digital selective calling (DSC) device belongs to communication terminal peculiar to vessel, be used between boats and ships and the ship bank between the selective calling and the Autoattendant of communication object, get in touch with communication for setting up formal communication (phone and fax), comprise that mainly periodic traffic calling, secure communication calling, urgency communication are called out and distress traffic is called out.Wherein call out and be called distress alerting for setting up distress traffic that distress telephone or teletype communication in danger carry out.Known digital selective calling (DSC) barge unit can be divided into following several types at present:
1) category-A and category-B: be operated in MF/HF frequency range and MF/VHF frequency range respectively, have above-mentioned whole calling and function on duty, the distress alerting text includes ship cognizance code in danger, kind, distress position and positioning time in danger.Wherein, category-A is more complete than category-B aspect other auxiliary function.
2) C class: be operated in the VHF frequency range, only have the distress alerting function, and only contain ship cognizance code in danger in the distress alerting text, do not contain concrete kind in danger, distress position and positioning time.
Above-mentioned 3 class devices all belong to the specified ship-borne equipment in the Global Maritime Distress and Safety Syst (GMDSS).Category-A and category-B functions of the equipments are comparatively comprehensive, but complex structure, cost is higher.Although and C kind equipment cost is relatively low, its structure and function can not provide clear and definite boats and ships distress alerting information fully then too in simplification.
According to the requirement of International Maritime Organization (IMO), the cargo ship of all passenger steamers, 300 gross tons and higher level that each contracting government of safety of life at sea (SOLAS) pact is had jurisdiction over all should forcibly be equipped with category-A or category-B DSC equipment.But then do not have Compulsory Feature for other cargo ship of level and fishing boat below 300 gross tons of One's name is legion, present policy is to advocate and encouragement, so that these non-SOLAS Convention ships can be shared the safety guarantee resource of Global Maritime Distress and Safety Syst (GMDSS).
(3) summary of the invention
The purpose of this utility model is to provide a kind of digital selective calling device that is exclusively used in distress alerting waterborne to non-safety of life at sea (SOLAS) Convention ship.
The utility model is provided with the function panel circuit, and the function panel circuit is made of button and corresponding indicator light; Be provided with DSC alert data generative circuit, the bus output of the panel bus port connection function panel circuit of DSC alert data generative circuit, the emission control end of the external radio transmitter of emission control port of DSC alert data generative circuit; Be provided with modulation circuit, the signal input part of modulation circuit connects the alert data output port of DSC alert data generative circuit, the audio input port of the external radio transmitter of signal output part of modulation circuit; Be provided with the navigator adapter circuit, the external navigator data-out port of navigator adapter circuit, the signal output part of navigator adapter circuit connects the navigation information port of DSC alert data generative circuit.
" catching fire/explode " button, " water inlet " button, " collision " button, " stranded " button, " knockdown " button, " sinking " button, " out of control/as to drift about " button, " abandoned ship " button, " meet and rob " button, " man overboard " button, " other dangerous condition " button that the button of function panel circuit comprises " mains switch " button, " report to the police and send " button, " report to the police and stop " button, " local test " button and represents 11 kinds of differences character in danger respectively.Its major function provides man-machine interface, carry out the selection of electric power starting, character in danger, the key assignments collection of reporting to the police and sending, reporting to the police termination, local test etc., and confirm that to the operator function of this button representative is selected by lighting with the corresponding indicator light of button.
DSC alert data generative circuit is made up of single-chip microcomputer (or being called microcontroller MCU) and peripheral circuit thereof, the core of forming circuit, in order to receive the key value of panel bus port, introduce in the single-chip processor i/o mouth, as the foundation of its every function program operation, comprise identification character in danger, generate the alert data message of DSC form and its speed is in accordance with regulations sent to the FSK modulation circuit and modulate.Other function also comprises startup and stops reporting to the police, testing this machine etc.Single-chip microcomputer is fed to the emission control end of external radio transmitter by the pin that links to each other with the emission control port in its I/O mouth with emissioning controling signal, realizes the emission control to external radio transmitter;
Modulation circuit is made of frequency shift keying (FSK) modulation chip and peripheral circuit thereof, in order to realize the modulation of frequency shift keying (FSK) mode.The alert data message signals output of its input termination DSC alert data generative circuit, this signal is done after the FSK modulation, the audio input port of the external radio transmitter of output sends distress alerting message by external radio transmitter in the scope that is covered.
The navigator adapter circuit is made of level transferring chip and peripheral circuit thereof, in order to external navigator data-out port, after navigator data EIA level signal is converted to the Transistor-Transistor Logic level signal, flow to the navigation information port of DSC alert data generative circuit, finish the extraction of ship's fix and time data by DSC alert data generative circuit, and be embedded in the alert data message of DSC form.
Compare with category-A or category-B DSC equipment, its purposes of the utility model is exclusively used in distress alerting; Compare with C class DSC equipment, its function of the utility model is appropriately practical, and clear and definite boats and ships distress alerting information fully such as ship cognizance code in danger, kind in danger, distress position, positioning time can be provided.It is simple to operate, be convenient under the state of emergency correctly, use quickly, and structure simplifies, and is with low cost, far below with category-A or category-B DSC equipment.Because the product production domesticization, the C class DSC equipment of comparable import has more cost advantage, is non-SOLAS Convention ship voluntary accepting easily.
(4) description of drawings
Fig. 1 is the composition frame chart of the utility model embodiment.
Fig. 2 is a kind of utility function panel circuit schematic diagram of the utility model embodiment.
Fig. 3 is a kind of practical DSC alert data generative circuit schematic diagram of the utility model embodiment.
Fig. 4 is a kind of practical modulation circuit schematic diagram of the utility model embodiment.
Fig. 5 is a kind of practical navigator adapter circuit schematic diagram of the utility model embodiment.
(5) embodiment
As shown in Figure 1, the output of the bus of function panel circuit 1 connects the panel bus port of DSC alert data generative circuit 2.The signal input part of FSK modulation circuit 3 connects the alert data output port of DSC alert data generative circuit, the audio input port of the external radio transmitter of signal output part of modulation circuit.The emission control end of the external radio transmitter of emission control port of DSC alert data generative circuit.The external navigator data-out port of the input of navigator adapter circuit 4, the signal output part of navigator adapter circuit connects the navigation information port of DSC alert data generative circuit.
As shown in Figure 2, the function panel circuit is made of button and light-emitting diode.Wherein, on behalf of " catching fire/explode ", " water inlet ", " collision ", " stranded ", " knockdown ", " sinking ", " ", " abandoneds ship ", " out of control/as to drift about, totally 11 buttons of button k00～k010 meet other dangerous condition of misfortune ", " man overboard ", " respectively " etc. 11 character in danger, button KO11 represents " local test ", button k012 representative " is reported to the police and is stopped ", button k013 " representative is reported to the police and sent ", switch k014 represents " mains switch ".LED 00 ~ LED014 matches mutually with button with sequence number respectively, is used to indicate corresponding operation, and each key assignments connects DSC alert data generative circuit by the panel bus port, as the foundation of its every function program operation.Its operation principle is as follows: when K switch 014 was pressed, power supply VCC1 introduced through K014 and LED 014, presents back DSC alert data generative circuit by the VCC2 port, the luminous indication electric power starting of LED014.Simultaneously, VCC2 is connected to the same sequence number button of pairing mutually via LED 00～LED014 respectively via resistance R 03 again with resistance R 04, makes the key assignments line (FUNC00～11 and CNTRL_CLR, CNTRL_SND) of each button be in high level.When arbitrary button is pressed, the key assignments line cap of this key is through button ground connection, key assignments is a low level, simultaneously, corresponding light-emitting diode is lighted, wherein, FUNC0～10 correspond respectively to above-mentioned " catching fire/explode ", " water inlet ", " collision ", " stranded ", " knockdown ", " sinking ", " out of control/as to drift about ", " abandoned ship ", " meet and rob ", " man overboard ", 11 character in danger such as " other dangerous conditions ", FUNC011 is corresponding to " local test ", CNTRL_CLR, CNTRL_SND corresponds respectively to " report to the police and stop ", " report to the police and send ".
As shown in Figure 3, on behalf of key assignments line FUNC0～10 of 11 character in danger, the pin 1～8 of the single-chip microcomputer U0 (AT89C51) of DSC alert data generative circuit link to each other respectively with in the panel bus port with 21～23, is used to read character in danger; Pin 24 links to each other with the key assignments line FUNC011 of representative " local test " in the panel bus port, is used for monitoring " local test " function button; On behalf of key assignments line CNTRL_CLR, the CNTRL_SND of " report to the police and stop " button, " report to the police and send " button, pin 25～26 link to each other respectively with in the panel bus port.The key assignments of above-mentioned button is introduced single-chip microcomputer, as the foundation of its every function program operation.The above-mentioned pin of single-chip microcomputer U0 (AT89C51) also is used to keep lighting of the light emitting diode lamp that matches mutually with selected button.
The pin 27 of the single-chip microcomputer U0 of DSC alert data generative circuit is fed to the emission control port with emissioning controling signal through the anti-phase driving of switch triode Q01, pass out to the emission control end PTT of external radio transmitter through the emission control port, realize emission control external radio transmitter; The pin 28 of single-chip microcomputer U0 is fed to modulation circuit with alert data.The pin 10 of single-chip microcomputer U0 connects the navigator adapter circuit, receives navigation positioning data.
Crystal OSC and capacitor C 01, C02 constitute the oscillation source of single-chip microcomputer U0.Capacitor C 00, button RESET, resistance R 00 and R01 constitute the reset circuit of single-chip microcomputer.Resistance R 02 is drawn level for the pin 31 of single-chip microcomputer provides, and makes single-chip microcomputer by the work of internally stored program pattern.
Integrated regulator U4 (MC7805CT) and capacitor C 41, C_PWR constitute power supply stabilization circuit.Outer DC power supply VCCO is adjusted into stable 5v through this circuit and is distributed to each element circuit use through the VCC1 end.
As shown in Figure 4, crystal OSC2 (3.58MHZ) constitutes the timing base of FSK modulation chip U2 (MSM7512), and capacitor C 21 is the power filtering capacitor of FSK modulation chip.The pin 11 (modulation signal input) of the FSK modulation chip U2 of modulation circuit receives the alert data from DSC alert data generative circuit, modulated signal sends distress alerting message by the pin 3 (modulated signal output) of the FSK modulation chip audio input end through the external radio transmitter of coupling of capacitor C 22 by external radio transmitter in the scope that is covered.
As shown in Figure 5, the external navigator data-out port of the pin 13 of the level transferring chip U3 of navigator adapter circuit (MAX232E) (EIA level end), after the navigator data-signal is converted to the TTL signal, flow to the pin 10 (serial port receiving terminal) of the single-chip microcomputer of DSC alert data generative circuit through the pin 12 (Transistor-Transistor Logic level end) of level transferring chip, finish the extraction of ship's fix and time data by single-chip microcomputer, generate software transfer for the distress alerting data.Capacitor C 30 for+5v →+10V charge pump electric capacity, C31 for+10v →-the anti-phase charge pump electric capacity of 10V, C32 and C33 be respectively+10V and-filter capacitor of 10V.
Claims (6)
1, distress alerting calling device waterborne is characterized in that being provided with the function panel circuit, and the function panel circuit is made of button and corresponding indicator light; Be provided with DSC alert data generative circuit, the bus output of the panel bus port connection function panel circuit of DSC alert data generative circuit, the emission control end of the external radio transmitter of emission control port of DSC alert data generative circuit; Be provided with modulation circuit, the signal input part of modulation circuit connects the alert data output port of DSC alert data generative circuit, the audio input port of the external radio transmitter of signal output part of modulation circuit; Be provided with the navigator adapter circuit, the external navigator data-out port of navigator adapter circuit, the signal output part of navigator adapter circuit connects the navigation information port of DSC alert data generative circuit.
2, distress alerting calling device waterborne as claimed in claim 1, it is characterized in that the button of function panel circuit comprises " mains switch " button, " report to the police and send " button, " report to the police and stop " button, " local test " button and " catching fire/explode " button, " water inlet " button, " collision " button, " stranded " button, " knockdown " button, " sinking " button, " out of control/drift " button, " abandoned ship " button, " chance misfortune " button, " man overboard " button, " other dangerous condition " button of representing 11 kinds of differences character in danger respectively.
3, distress alerting calling device waterborne as claimed in claim 1, it is characterized in that DSC alert data generative circuit is made up of single-chip microcomputer and peripheral circuit thereof, the core of forming circuit, in order to receive the button value of panel bus port, introduce in the single-chip processor i/o mouth, foundation as its every function program operation, comprise identification character in danger, generate the alert data message of DSC form and its speed is in accordance with regulations sent to the FSK modulation circuit and modulate, and start or stop reporting to the police, testing this machine; Single-chip microcomputer is fed to the emission control end of external radio transmitter by the pin that links to each other with the emission control port in its I/O mouth with emissioning controling signal, realizes the emission control to external radio transmitter.
4, distress alerting calling device waterborne as claimed in claim 1, it is characterized in that modulation circuit is made of frequency shift key modulation circuit, in order to realize the modulation of frequency deviation key control mode, the alert data message signals output of its input termination DSC alert data generative circuit, this signal is done after the FSK modulation, the audio input port of the external radio transmitter of output sends distress alerting message by external radio transmitter in the scope that is covered.
5, distress alerting calling device waterborne as claimed in claim 1, it is characterized in that the navigator adapter circuit is made of level shifting circuit, be used for external navigator data-out port, after navigator data EIA level signal is converted to the Transistor-Transistor Logic level signal, flow to the navigation information port of DSC alert data generative circuit, finish the extraction of ship's fix and time data by DSC alert data generative circuit, and be embedded in the alert data message of DSC form.
6, as the described distress alerting calling device waterborne of claim 1～5, on behalf of the key assignments line of 11 character in danger, the pin (1～8) that it is characterized in that the single-chip microcomputer of DSC alert data generative circuit link to each other respectively with in the panel bus port with (21～23), is used to read character in danger; Pin (24) links to each other with the key assignments line of representative " local test " in the panel bus port, is used for monitoring " local test " function button; Also be used to light the indicator light that matches mutually with selected button simultaneously; On behalf of the key assignments line of " report to the police and stop " button, " report to the police and send " button, pin (25～26) link to each other respectively with in the panel bus port, and the key assignments introducing single-chip microcomputer of button is as the foundation of its every function program operation; The pin (27) of the single-chip microcomputer of DSC alert data generative circuit is fed to the emission control port with emissioning controling signal, passes out to the emission control end of external radio transmitter through the emission control port, realizes the emission control to external radio transmitter; The pin (28) of the single-chip microcomputer of DSC alert data generative circuit is fed to alert data the pin (11) of the modulation chip of modulation circuit, modulated signal sends distress alerting message by the audio input end of the external radio transmitter of pin (3) of modulation chip by external radio transmitter in the scope that is covered; The external navigator data-out port of the pin of the level transferring chip of navigator adapter circuit (13), after the navigator data-signal is converted to the TTL signal, flow to the pin (10) of the single-chip microcomputer of DSC alert data generative circuit through the pin (12) of level transferring chip, finish the extraction of ship's fix and time data by single-chip microcomputer, and be embedded in the alert data message of DSC form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032018118U CN2598266Y (en) | 2003-01-06 | 2003-01-06 | Alarm calling apparatus for use on water distress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032018118U CN2598266Y (en) | 2003-01-06 | 2003-01-06 | Alarm calling apparatus for use on water distress |
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| Publication Number | Publication Date |
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| CN2598266Y true CN2598266Y (en) | 2004-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032018118U Expired - Fee Related CN2598266Y (en) | 2003-01-06 | 2003-01-06 | Alarm calling apparatus for use on water distress |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101911142A (en) * | 2007-11-18 | 2010-12-08 | 高通股份有限公司 | System and method for transmitting alert locations to navigational devices |
| CN102184621A (en) * | 2011-04-12 | 2011-09-14 | 上海埃威航空电子有限公司 | Search and rescue transmitter with distress type message transmitting function and message transmitting method thereof |
| CN102222400A (en) * | 2010-04-16 | 2011-10-19 | 上海太极电子科技发展有限公司 | Alarm instrument for omnibearing emergent searching and rescuing of endangered human bodies |
| CN112134589A (en) * | 2020-09-22 | 2020-12-25 | 海南卫航通讯导航科技有限公司 | Automatic medium-high frequency digital communication system |
-
2003
- 2003-01-06 CN CNU032018118U patent/CN2598266Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101911142A (en) * | 2007-11-18 | 2010-12-08 | 高通股份有限公司 | System and method for transmitting alert locations to navigational devices |
| CN102222400A (en) * | 2010-04-16 | 2011-10-19 | 上海太极电子科技发展有限公司 | Alarm instrument for omnibearing emergent searching and rescuing of endangered human bodies |
| CN102184621A (en) * | 2011-04-12 | 2011-09-14 | 上海埃威航空电子有限公司 | Search and rescue transmitter with distress type message transmitting function and message transmitting method thereof |
| CN102184621B (en) * | 2011-04-12 | 2013-04-03 | 上海埃威航空电子有限公司 | Search and rescue transmitter with distress type message transmitting function and message transmitting method thereof |
| CN112134589A (en) * | 2020-09-22 | 2020-12-25 | 海南卫航通讯导航科技有限公司 | Automatic medium-high frequency digital communication system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |