CN202143054U - Compression and coding device for maritime training information - Google Patents
Compression and coding device for maritime training information Download PDFInfo
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- CN202143054U CN202143054U CN201120201947U CN201120201947U CN202143054U CN 202143054 U CN202143054 U CN 202143054U CN 201120201947 U CN201120201947 U CN 201120201947U CN 201120201947 U CN201120201947 U CN 201120201947U CN 202143054 U CN202143054 U CN 202143054U
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Abstract
A compression and coding device for maritime training information is arranged in ships at sea and a shoreside command center and used for compressing training information of the ships at sea into an information bag capable of being sent by Beidou short messages. A Beidou navigation satellite system is used for communicating between the ships at sea and the shoreside command center. The compression and coding device for the maritime training information comprises a machine case. At least a circuit board and a power supply module for supplying power for the circuit board are arranged in the machine case. The power supply module is electrically connected with the circuit board, and at least a central processor, a data buffer memory and a compression coding card are fixedly arranged on the circuit board. The compression and coding device for the maritime training information can convert information data sent by different equipment of the ships at sea into data of a short message form used by the Beidou navigation satellite system.
Description
Technical field
The utility model relates to the device that information datas such as a kind of information data that can be used for the distinct device on marine naval vessel is sent such as position, naval vessel, course, the speed of a ship or plane, rudder for ship operational circumstances, sea situation convert the employed short message formatted data of Beidou satellite navigation system into; Special, the utility model relates in particular to a kind of marine training information compression and coding device.
Background technology
In navigation operation and oceangoing voyage, satellite plays a part very big, and the communication between naval vessel that in the ocean, navigates by water and land and the naval vessel is main with satellite communication mainly, and satellite navigation is also very important for the naval vessel that in the ocean, navigates by water.
Communications satellite can be divided into fixed telecommunication satellite, moving communication satellite, telecasting satellite, maritime communication satellite, tracking and data relay satellite by the difference of communication service kind; Can be divided into special-purpose communications satellite and multipurpose communications satellite by what difference of purposes.
Navigational satellite system has only four kinds at present: the Big Dipper navigational satellite system of the Galilean satellite navigation system of the global positioning system of the U.S. (GPS), USSR GLONASS (GLONASS), European Space Agency and China.
Beidou satellite navigation system is regional active three-dimensional satellite fix and the communication system (CNSS) that China develops voluntarily, is the global positioning system (GPS) of removing the U.S., the Muscovite GLONASS satellite navigation system of the 3rd maturation afterwards.Beidou satellite navigation and positioning system is made up of Aerospace Satellite, ground control centre system and user terminal three parts; Location, navigation and time service and short message communication service can be provided; Short message communication service wherein, peculiar for Beidou satellite navigation and positioning system, be equivalent to the short message of mobile phone; It is compared with the transmission means of other communications satellites, possesses very big price advantage.
Mature and stable along with China's Beidou satellite navigation system utilizes the autonomous satellite navigation system of China to provide multifarious location and Communications service also more and more important for the naval vessel, ocean.
Present China forms into columns on the naval vessel in processes such as the navigation in ocean, training; Though can position and carry out the short message communication contact through Beidou satellite navigation system with bank base command centre; But the training data information of the big data quantity of the different-format that how distinct device in the marine training process is sent; As: situation, each post working condition, peripheral object situation, maritime environment situation or the like information data is handled on position, naval vessel, course, the speed of a ship or plane, naval vessel; Must unify to convert into the only employed short message formatted data of Beidou satellite navigation system of tens bytes earlier, can utilize the short message communication service of big-dipper satellite that these efficient informations are transferred to bank base command centre accurately.Therefore, develop a kind of can high-efficiency real-time marine training data information is carried out the device of compressed encoding, become the major issue that current urgent need solves.
The utility model content
The utility model provides a kind of marine training information compression and coding device; Information data unifications such as the information data of the different-format that this device can be used for the distinct device on marine naval vessel is sent such as position, naval vessel, course, the speed of a ship or plane, rudder for ship operational circumstances, sea situation convert the only employed short message formatted data of Beidou satellite navigation system of tens bytes into, to reduce or to avoid problem noted earlier.
For addressing the above problem; The utility model provides a kind of marine training information compression and coding device; It is arranged on the marine naval vessel and bank base command centre in; Be used for the training information on said marine naval vessel is compressed into the packets of information that available Big Dipper short message sends; And through Beidou satellite navigation system in communication between said marine naval vessel and the said bank base command centre, said marine training information compression and coding device comprises a cabinet, in said cabinet, is provided with the power module that a circuit board, are supplied power for said circuit board at least; Said power module is electrically connected with said circuit board, has a central processing unit that fixedly installs, a data buffer and a compressed encoding card on the said circuit board at least.
Preferably; At least be set with two serial ports that stretch out outside the said cabinet on the said circuit board; Said data buffer is electrically connected with said serial ports, and said compressed encoding card has a judge module, a compression/de-compression module and coding/decoding module of parallel connection at least.
The marine training information compression and coding device that the utility model provided; Information datas such as information data that can be used for the distinct device on marine naval vessel is sent such as position, naval vessel, course, the speed of a ship or plane, rudder for ship operational circumstances, sea situation convert the employed short message formatted data of Beidou satellite navigation system into; Thereby can utilize the short message communication service of big-dipper satellite that these efficient informations are transferred to bank base command centre accurately, for train the commanding, lead mediator person, the personnel of viewing and emulating provide accurate, real-time marine training data information.
Description of drawings
Following accompanying drawing only is intended to the utility model is done schematic illustration and explanation, does not limit the scope of the utility model.Wherein,
Fig. 1 is the structural representation according to the marine training information compression and coding device of a specific embodiment of the utility model;
Fig. 2 is the application sketch map according to the marine training information compression and coding device of a specific embodiment of the utility model.
Embodiment
Understand for technical characterictic, purpose and effect to the utility model have more clearly, contrast the embodiment of description of drawings the utility model at present.Wherein, identical parts adopt identical label.
Specify structure and principle thereof with reference to the accompanying drawings according to a kind of marine training information compression and coding device of the utility model.
Fig. 1 is the structural representation according to the marine training information compression and coding device of a specific embodiment of the utility model; The marine training information compression and coding device 1 that the utility model provided; It is arranged on the marine naval vessel and bank base command centre in; Be used for the training information on said marine naval vessel is compressed into the packets of information that available Big Dipper short message sends; And through Beidou satellite navigation system in communication between said marine naval vessel and the said bank base command centre, said marine training information compression and coding device 1 comprises a cabinet 11, in said cabinet 11, is provided with the power module 17 that a circuit board, are supplied power for said circuit board at least; Fig. 1 is clear is convenient to it will be appreciated by those skilled in the art that the said circuit board that do not draw in the embodiment shown in fig. 1 in order to make.
Be electrically connected with said circuit board at power module 17 described in the cabinet 11, have a central processing unit that fixedly installs 16, a data buffer 14 and a compressed encoding card 15 on the said circuit board at least.
In a preferred embodiment; At least be set with two serial ports that stretch out outside the said cabinet 11 on the said circuit board; Said data buffer 14 is electrically connected with said serial ports, and said compressed encoding card 15 has the judge module 151 of parallel connection, a compression/de-compression module 152 and a coding/decoding module 153 at least.
Fig. 2 is the application sketch map according to the marine training information compression and coding device of a specific embodiment of the utility model.Specify the course of work of the marine training information compression and coding device of the utility model below in conjunction with Fig. 1-2; For example; In practical process; When marine naval vessel 3 need utilize short message communication service onshore base command centre 5 to send training information through big-dipper satellite 4, the distinct device on the said naval vessel 3 for example can be an equipment 31 of gathering position, naval vessel, course, speed of a ship or plane information; Gather the equipment 32 of rudder for ship operational circumstances; Gather the equipment 33 of sea situation information etc., the serial ports 12 of the training information data that collect separately through marine training information compression and coding device 1 transferred to said data buffer 14, handle at said data buffer 14 products for further.
In said marine training information compression and coding device 1, said data buffer 14 waits for that said central processing unit during 16 free time, forwards the data to said central processing unit 16 and handles; Whether said central processing unit 16 will complete, correct to the data form; Characteristic informations such as Data Source, data destination, type are judged, determine follow-up processing mode, if data format is imperfect, correct; Then said central processing unit 16 abandons data, does not handle.
If the data in the said central processing unit 16 satisfy the requirement that directly converts the employed short message formatted data of Beidou satellite navigation system into; Then said central processing unit 16 carries out encoding process with the said coding/decoding module 153 that data directly are forwarded to said compressed encoding card 15; 153 pairs of data of said coding/decoding module carry out sending it to said data buffer 14 after the encoding process; Data after said data buffer 14 will be handled through serial ports 13 again send to the transmission/receiving equipment 2 on the said naval vessel 3, and said transmission/receiving equipment 2 utilizes the transmission/receiving equipment 51 of short message communication service onshore base command centre 5 to send through big-dipper satellite 4 these data.
When the data in the said central processing unit 16 do not satisfy when directly converting the requiring of the employed short message formatted data of Beidou satellite navigation system into; Said central processing unit 16 forwards the data to the said judge module 151 of said compressed encoding card 15; Characteristic informations such as the Data Source that said judge module 151 is done according to said central processing unit 16, data destination, type; The data of being transmitted for said central processing unit 16 determine the code conversion mode and the compress mode of required employing; The data of then said central processing unit 16 being transmitted send to compression/de-compression module 152 and carry out processed compressed; 152 pairs of data of compression/de-compression module are carried out after said judge module 151 selected compress modes handle; Data after handling are sent to said coding/decoding module 153 carry out encoding process; 153 pairs of data of said coding/decoding module are carried out after said judge module 151 selected coded systems handle; Data just have been packaged into the employed short message form of Beidou satellite navigation system again; Data after said then coding/decoding module 153 will be handled are sent to said data buffer 14, and the data after said data buffer 14 will be handled through serial ports 13 again send to transmission/receiving equipment 2, and said transmission/receiving equipment 2 just can utilize the transmission/receiving equipment 51 of short message communication service onshore base command centre 5 to send through big-dipper satellite 4 these data.
Those skilled in the art are to be understood that; When said judge module 151 judgment data only need be encoded; Said judge module 151 can directly be sent to said coding/decoding module 153 with data and carry out encoding process, and need not transmit through said compression/de-compression module 152.
Those skilled in the art it should also be understood that; Said judge module 151, compression/de-compression module 152 and coding/decoding module 153 are the circuit that is solidificated in the said compressed encoding card 15, so just can make said marine training information compression and coding device 1 possess good compression/de-compression, coding/decoding operational efficiency.
When transmission/receiving equipment 2 receives the data that the transmission/receiving equipment 51 of bank base command centre 5 sends over; Said transmission/receiving equipment 2 is sent to data the said data buffer 14 of said marine training information compression and coding device 1 through serial ports 13; Said data buffer 14 waits for that said central processing unit is during 16 free time; Forwarding the data to said central processing unit 16 handles; Whether said central processing unit 16 will complete, correct to the data form, and whether data need characteristic informations such as decompression, decoding to judge, determine follow-up processing mode.If data format is imperfect, correct, then said central processing unit 16 abandons data, does not handle.
If data need to decompress, decoding; Then said central processing unit 16 is sent to data the said judge module 151 of said compressed encoding card 15; The data that said judge module 151 is transmitted for said central processing unit 16 determine the code conversion mode and the decompress(ion) mode of required employing; And send it to compression/de-compression module 152 and carry out decompression; After 152 pairs of data of said compression/de-compression module are handled; Data after handling are sent to said coding/decoding module 153 carry out decoding processing, after 153 pairs of data of said coding/decoding module were carried out the selected code conversion mode decoding processing of said judge module 151, data just were reduced to the employed data format of corresponding apparatus again; Data after said then coding/decoding module 153 will be handled are sent to said central processing unit 16; Said central processing unit 16 is through analyzing the destination information of the data judgment data after the conversion, and the data after will handling then are sent to said data buffer 14, and said data buffer 14 is sent to corresponding equipment through serial ports 12 with data again.Those skilled in the art are to be understood that; When said judge module 151 judgment data only need be decoded; Said judge module 151 can directly be sent to said coding/decoding module 153 with data and carry out decoding processing, and need not transmit through said compression/de-compression module 152.
The marine training information compression and coding device that the utility model provided; Information datas such as information data that can be used for the distinct device on marine naval vessel is sent such as position, naval vessel, course, the speed of a ship or plane, rudder for ship operational circumstances, sea situation convert the employed short message formatted data of Beidou satellite navigation system into; Thereby can utilize the short message communication service of big-dipper satellite that these efficient informations are transferred to bank base command centre accurately, for train the commanding, lead mediator person, the personnel of viewing and emulating provide accurate, real-time marine training data information.
Though it will be appreciated by those skilled in the art that the utility model is to describe according to the mode of a plurality of embodiment, be not that each embodiment only comprises an independently technical scheme.Narration like this only is for the sake of clarity in the specification; Those skilled in the art should do specification as a wholely to understand, and regard technical scheme related among each embodiment as the mode that can be combined into different embodiment each other understand the protection range of the utility model.
The above is merely the schematic embodiment of the utility model, is not in order to limit the scope of the utility model.Any those skilled in the art, revises and combines the equivalent variations of under the prerequisite of design that does not break away from the utility model and principle, being done, and all should belong to the scope that the utility model is protected.
Claims (2)
1. marine training information compression and coding device; It is arranged on the marine naval vessel and bank base command centre in; Be used for the training information on said marine naval vessel is compressed into the packets of information that available Big Dipper short message sends; And through Beidou satellite navigation system communication between said marine naval vessel and said bank base command centre; It is characterized in that said marine training information compression and coding device comprises a cabinet, in said cabinet, be provided with a circuit board, a power module at least for said circuit board power supply; Said power module is electrically connected with said circuit board, has a central processing unit that fixedly installs, a data buffer and a compressed encoding card on the said circuit board at least.
2. marine training information compression and coding device according to claim 1; It is characterized in that; At least be set with two serial ports that stretch out outside the said cabinet on the said circuit board; Said data buffer is electrically connected with said serial ports, and said compressed encoding card has a judge module, a compression/de-compression module and coding/decoding module of parallel connection at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120201947U CN202143054U (en) | 2011-06-15 | 2011-06-15 | Compression and coding device for maritime training information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120201947U CN202143054U (en) | 2011-06-15 | 2011-06-15 | Compression and coding device for maritime training information |
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| CN202143054U true CN202143054U (en) | 2012-02-08 |
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| CN201120201947U Expired - Fee Related CN202143054U (en) | 2011-06-15 | 2011-06-15 | Compression and coding device for maritime training information |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595590A (en) * | 2013-11-28 | 2014-02-19 | 成都科来软件有限公司 | Method, device and system for detecting data package tampering |
| CN103595590B (en) * | 2013-11-28 | 2016-11-30 | 成都科来软件有限公司 | A kind of packet altering detecting method, Apparatus and system |
| CN108803374A (en) * | 2018-06-07 | 2018-11-13 | 中国人民解放军海军工程大学 | A kind of unmanned boat environmental data emulation mode |
| CN109507691A (en) * | 2018-11-12 | 2019-03-22 | 中国人民解放军海军军训器材研究所 | A kind of node device and its application method for naval vessels Beidou networking |
| CN110224736A (en) * | 2019-05-14 | 2019-09-10 | 中国人民解放军海军工程大学 | It is a kind of based on solar powered Beidou communication Shipborne terminal device |
-
2011
- 2011-06-15 CN CN201120201947U patent/CN202143054U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595590A (en) * | 2013-11-28 | 2014-02-19 | 成都科来软件有限公司 | Method, device and system for detecting data package tampering |
| CN103595590B (en) * | 2013-11-28 | 2016-11-30 | 成都科来软件有限公司 | A kind of packet altering detecting method, Apparatus and system |
| CN108803374A (en) * | 2018-06-07 | 2018-11-13 | 中国人民解放军海军工程大学 | A kind of unmanned boat environmental data emulation mode |
| CN108803374B (en) * | 2018-06-07 | 2021-09-21 | 中国人民解放军海军工程大学 | Unmanned ship environment data simulation method |
| CN109507691A (en) * | 2018-11-12 | 2019-03-22 | 中国人民解放军海军军训器材研究所 | A kind of node device and its application method for naval vessels Beidou networking |
| CN109507691B (en) * | 2018-11-12 | 2022-11-29 | 中国人民解放军海军军训器材研究所 | Node equipment for naval vessel Beidou networking and use method thereof |
| CN110224736A (en) * | 2019-05-14 | 2019-09-10 | 中国人民解放军海军工程大学 | It is a kind of based on solar powered Beidou communication Shipborne terminal device |
| CN110224736B (en) * | 2019-05-14 | 2022-01-14 | 中国人民解放军海军工程大学 | Beidou communication shipborne terminal device based on solar power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20150615 |
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| EXPY | Termination of patent right or utility model |