CN105007219A - Universal type Beidou protocol passthrough gateway device - Google Patents
Universal type Beidou protocol passthrough gateway device Download PDFInfo
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- CN105007219A CN105007219A CN201510375879.2A CN201510375879A CN105007219A CN 105007219 A CN105007219 A CN 105007219A CN 201510375879 A CN201510375879 A CN 201510375879A CN 105007219 A CN105007219 A CN 105007219A
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Abstract
A universal type Beidou protocol passthrough gateway device relates to the technical field of information. The structure of the device comprises an RS485 serial port which is used for receiving data signals of external devices, an intelligent micro-processor and an RS232 serial port connected with Beidou Satellite communication terminal equipment. The universal type Beidou protocol passthrough gateway device of the invention could receive data messages of different protocols output by a plurality of intelligent devices, encode the received data messages of different protocols into data messages meeting the requirements of the Beidou user terminal data interface protocol version 4.0, perform intelligent analysis on the encoded information, perform intelligent subpackaging, transmit a communication application to Beidou Satellite terminal equipment and transmit the data messages. Simultaneously, the universal type Beidou protocol passthrough gateway device of the invention could receive the data messages transmitted by the Beidou Satellite terminal equipment, perform intelligent decoding to the data messages and transmit the decoded messages to the external devices on a bus. The device reduces difficulty of transmitting the data with intelligent devices via a Beidou Satellite communication system, and achieves the effect that the intelligent devices simultaneously transmit data and receive data via the Beidou Satellite communication terminal equipment, thereby reducing the using number of the Beidou Satellite communication terminal equipment. The device of the invention completely meets the requirement of the Beidou Satellite communication system.
Description
Technical field
The present invention relates to areas of information technology, especially a kind of Big Dipper protocol transparency gateway in transfer of data and protocol conversion field.
Background technology
At present, China's satellite navigation and communications industry have the wide market space, but face system Construction and lag behind industry development demand, core technology under one's control and industrial development environment and the multiple pressure such as urgently to optimize.Along with advanced information society is fast-developing, the public to novelty and comprehensive space time information demand for services day by day strong, the following Beidou satellite navigation system based on special advantage such as short message communications, will greatly be expanded in the application of national economy key area, industry, public service and general marketplace.But, global navigation satellite with communicate multisystem and deposit competition and industry fast development background under, China's satellite navigation and communications industry still face outstanding problem: one is that China's satellite navigation and communication system construction lag behind industry development demand, and application mainly relies on foreign system; Two is lack overall planning, and Ground Application infrastructure whole capability is not enough with repeated construction and deposit; Three is that the capability of independent innovation is not enough, and do not grasp core technology, Integrated predict model lacks in ability, and comparatively greatly, Beidou satellite navigation and the communication system applications market space are by severe crush for Related product and solution and international most advanced level gap; Four is that relevant policies, regulation, standard are still unsound, and industrial concentration is low, lacks leading enterprise, and industrial development environment is urgently optimized.Therefore, need to accelerate China's global navigation satellite and communication system construction, promote the transfer of civil applications system to Beidou satellite navigation and communication system, promote China's satellite navigation and communications industry sustainable health development.
At present about Beidou satellite communication is all need in the Beidou satellite communication module developing various application apparatus by the enterprise of Application and Development according to the device of application, do social resources waste so large, development progress is slow, the protocol stack of Beidou satellite communication sets up also ununified standard, according to prior art present situation, we develop occasion and the application scenarios that universal Big Dipper protocol transparency gateway apparatus can be applied to all Beidou satellite communications, for various application mode provides fast and convenient development model.
Summary of the invention
The object of the invention is, a kind of universal Big Dipper protocol transparency gateway apparatus is provided, solve the problem of the mutual communication of smart machine by Beidou satellite communication system and multiple different agreement; The data message of the different agreement that multi-way intelligence equipment exports can be received; Encode to the data message of the different agreement received, this data message be encoded into meets the 4.0 editions requirements of Beidou subscriber machine data interface protocol; Intellectual analysis is carried out to encoded infonnation, judges whether data message meets the message length of Beidou satellite communication transmission regulation, if exceed the message length of regulation, then system carries out intelligent subpackage; Send apply by letter to Big Dipper satellite terminal equipment and send datagram.The data message that big-dipper satellite terminal equipment sends can be received simultaneously, intelligence is carried out to this data message and decodes and send to the external equipment in bus.
For solving the problems of the technologies described above, the invention provides a kind of universal Big Dipper protocol transparency gateway apparatus, composition structure comprises: receive the RS485 serial ports of external equipment data-signal, intelligent microprocessor, the RS232 serial ports that is connected with Beidou satellite communication terminal equipment;
The RS485 serial ports receiving external equipment data-signal can be connected with multichannel external equipment, and multichannel external equipment can be connected with RS485 serial ports by the form of bus;
Intelligent microprocessor process ModbusRtu communications protocol and other free agreement by RS485 physics port transmission;
Intelligent microprocessor is encoded to the external equipment data-signal received, and this data message be encoded into meets the 4.0 editions requirements of Beidou subscriber machine data interface protocol;
Intelligent microprocessor can carry out intellectual analysis to encoded infonnation, judges whether the length of data message meets the message length of Beidou satellite communication transmission regulation and carry out intelligent subpackage;
The RS232 serial ports be connected with Beidou satellite communication terminal equipment receive intelligent microprocessor analyze after data message, and this data message is sent to Beidou satellite communication terminal equipment;
The RS232 serial ports be connected with Beidou satellite communication terminal equipment, due to the amphicheirality of Beidou satellite communication, can receive the data message that big-dipper satellite terminal equipment sends to lower end equipment;
Intelligent microprocessor carries out intelligence decoding to the data message meeting Beidou satellite transmission agreement received by RS232 serial ports;
Decoded for intelligent microprocessor data message is passed to the external equipment in bus by the RS485 serial ports be connected with external equipment.
Beneficial effect
Be different from background technology, the invention provides a kind of universal Big Dipper protocol transparency gateway apparatus, this device can by the mutual communication of smart machine of Beidou satellite communication system and multiple different agreement.This device simplifies smart machine sends data difficulty by Beidou communication system, and achieve multiple smart machine simultaneously by Big Dipper communication terminal equipment transmission data and reception data, decrease the usage quantity of Beidou satellite communication terminal equipment, meet Beidou satellite communication system requirement completely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the present invention and other equipment work;
Fig. 3 is the schematic flow sheet that the present invention receives external smart machine data message;
Fig. 4 is the schematic flow sheet that the present invention receives big-dipper satellite terminal equipment data message;
Label declaration:
1. receive the RS485 serial ports of external equipment data-signal, 2. RS485 serial ports 9 pin communication link,
3. intelligent microprocessor, 4. RS-232 serial ports 9 pin communication link,
5. the RS232 serial ports be connected with Beidou satellite communication terminal equipment, 6. external smart machine 1
7. external smart machine 2,8. external smart machine 3
9.RS485 bus, 10.RS232 connection
11. Beidou satellite communication terminal equipments
Embodiment
For making object of the present invention, content and advantage clearly, below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.Refer to Fig. 1, present embodiments provide for a kind of universal Big Dipper protocol transparency gateway apparatus.Comprise: receive the RS485 serial ports 1 of external equipment data-signal, intelligent microprocessor 3, the RS232 serial ports 5 that is connected with Beidou satellite communication terminal equipment, the RS485 serial ports 1 of the external smart machine data-signal of described reception is connected with intelligent microprocessor by 9 needle serial ports, the external smart machine data message received is passed to microprocessor or decoded for microprocessor intelligence data message is passed to external smart machine, described intelligent microprocessor 3 can be encoded to the external equipment data-signal received, this data message be encoded into meets the 4.0 editions requirements of Beidou subscriber machine data interface protocol, intellectual analysis can be carried out to encoded infonnation simultaneously, judge whether data message meets the message length of Beidou satellite communication transmission regulation, if exceed the message length of regulation, then system carries out intelligent subpackage, due to the amphicheirality of Beidou satellite communication, intelligent microprocessor also can carry out intelligence decoding to the data message meeting Beidou satellite transmission agreement received by RS232 serial ports, the described RS232 serial ports 5 be connected with Beidou satellite communication terminal equipment receive intelligent microprocessor analyze after data message, and the data message being sent to by this data message Beidou satellite communication terminal equipment maybe can receive big-dipper satellite terminal equipment to send to lower end equipment.
Universal Big Dipper protocol transparency gateway apparatus is connected with external smart machine, big-dipper satellite terminal equipment, refers to Fig. 2, and described universal Big Dipper protocol transparency gateway apparatus is connected with multiple external smart machine by the mode of 485 buses; Described universal Big Dipper protocol transparency gateway apparatus is connected with big-dipper satellite terminal equipment by RS232.
Refer to Fig. 3, present embodiment provides a kind of universal Big Dipper protocol transparency gateway apparatus to receive external smart machine data message, the method originates in step S301, be connected by the external smart machine of RS485 bus and multichannel, the external smart machine data-signal in bus is passed to intelligent microprocessor by 9 needle serial ports.
Step S302, intelligent microprocessor is encoded to the external equipment data-signal received, and this data message be encoded into meets the 4.0 editions requirements of Beidou subscriber machine data interface protocol.
Step S303, intelligent microprocessor carries out intellectual analysis to encoded infonnation, judges whether data message meets the message length of Beidou satellite communication transmission regulation, if exceed the message length of regulation, then system carries out intelligent subpackage.
Step S304, the data message after coding, intellectual analysis is passed to Beidou satellite communication terminal equipment by RS232 serial ports by intelligent microprocessor, and this terminal equipment utilizes Beidou satellite transmission data message.
Refer to Fig. 4, present embodiment provides a kind of universal Big Dipper protocol transparency gateway apparatus to receive big-dipper satellite terminal equipment data message, the method originates in step S401, the RS232 serial ports be connected with Beidou satellite communication terminal equipment, due to the amphicheirality of Beidou satellite communication, the data message that big-dipper satellite terminal equipment sends to lower end equipment can be received.
Step S402, intelligent microprocessor carries out intelligence decoding to the data message meeting Beidou satellite transmission agreement received by RS232 serial ports.
Step S403, decoded for intelligent microprocessor data message is passed to the external equipment in bus by the RS485 serial ports be connected with external equipment.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. universal Big Dipper protocol transparency gateway apparatus, composition structure comprises: receive the RS485 serial ports of external equipment data-signal, intelligent microprocessor, the RS232 serial ports that is connected with Beidou satellite communication terminal equipment.
2. universal Big Dipper protocol transparency gateway apparatus according to claim 1, is characterized in that the RS485 serial ports receiving external equipment data-signal can be connected with multichannel external equipment, and multichannel external equipment can be connected with RS485 serial ports by the form of bus.
3. universal Big Dipper protocol transparency gateway apparatus according to claim 1, is characterized in that intelligent microprocessor process ModbusRtu communications protocol and other free agreement by RS485 physics port transmission; Intelligent microprocessor is encoded to the external equipment data-signal received, and this data message be encoded into meets the 4.0 editions requirements of Beidou subscriber machine data interface protocol; Intelligent microprocessor can carry out intellectual analysis to encoded infonnation, judges whether the length of data message meets the message length of Beidou satellite communication transmission regulation and carry out intelligent subpackage.
4. universal Big Dipper protocol transparency gateway apparatus according to claim 1, it is characterized in that the RS232 serial ports be connected with Beidou satellite communication terminal equipment receive intelligent microprocessor analyze after data message, and this data message is sent to Beidou satellite communication terminal equipment.
5. universal Big Dipper protocol transparency gateway apparatus according to claim 1, it is characterized in that the RS232 serial ports be connected with Beidou satellite communication terminal equipment, due to the amphicheirality of Beidou satellite communication, the data message that big-dipper satellite terminal equipment sends to lower end equipment can be received; Intelligent microprocessor carries out intelligence decoding to the data message meeting Beidou satellite transmission agreement received by RS232 serial ports; Decoded for intelligent microprocessor data message is passed to the external equipment in bus by the RS485 serial ports be connected with external equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510375879.2A CN105007219A (en) | 2015-06-27 | 2015-06-27 | Universal type Beidou protocol passthrough gateway device |
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| CN201510375879.2A CN105007219A (en) | 2015-06-27 | 2015-06-27 | Universal type Beidou protocol passthrough gateway device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871710A (en) * | 2016-05-18 | 2016-08-17 | 海侣（上海）投资管理中心（有限合伙） | Mobile gateway equipment and its network interaction system |
| CN109495161A (en) * | 2018-12-28 | 2019-03-19 | 上海达华测绘有限公司 | Data penetration transmission equipment and data penetration transmission method |
| CN111200548A (en) * | 2020-02-20 | 2020-05-26 | 福建师范大学 | A 485 protocol concentrator applied to RS485 bus of ocean observation buoy |
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2015
- 2015-06-27 CN CN201510375879.2A patent/CN105007219A/en active Pending
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| CN101651836A (en) * | 2009-09-18 | 2010-02-17 | 武汉长光科技有限公司 | Modularized monitoring terminal equipment based on EPON |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105871710A (en) * | 2016-05-18 | 2016-08-17 | 海侣（上海）投资管理中心（有限合伙） | Mobile gateway equipment and its network interaction system |
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| CN111200548A (en) * | 2020-02-20 | 2020-05-26 | 福建师范大学 | A 485 protocol concentrator applied to RS485 bus of ocean observation buoy |
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