CN205333860U - Many calories of formula big dipper commander type terminals - Google Patents
Many calories of formula big dipper commander type terminals Download PDFInfo
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- CN205333860U CN205333860U CN201620053799.5U CN201620053799U CN205333860U CN 205333860 U CN205333860 U CN 205333860U CN 201620053799 U CN201620053799 U CN 201620053799U CN 205333860 U CN205333860 U CN 205333860U
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Abstract
The utility model relates to an automobile -mounted terminal technical field discloses a many calories of formula big dipper commander type terminals, and this terminal includes: signal processing board, SIM cardboard, power supply module and microwave subassembly, wherein, signal processing board follows intermediate frequency signal is received to the microwave subassembly, the SIM cardboard pass through bottom plate and expansion interface and the signal processing board interconnection, through the slide rail, plug on the case front panel the SIM cardboard, power supply module turns into the direct current with the 220V alternating current, the microwave subassembly passes through single cable junction with the antenna, realizes sending and receiving of radiofrequency signal, radiofrequency signal frequency conversion post -filter forms intermediate frequency signal erupts simultaneously and delivers to signal processing board. The utility model discloses block integrated management with many commanders, effectively promote space utilization, it is convenient the dress of commander's card is got, has effectively solved the restriction of service frequency, rolls up the number of users of service.
Description
Technical field
This utility model relates to car-mounted terminal field, particularly to a kind of multiple-card Big Dipper command type terminal。
Background technology
" Big Dipper one " satellite navigation and location system is controlled administrative section by space segment, ground and user terminal three parts form, wherein user terminal is made up of various subscriber computers again, difference according to applied environment and function, subscriber computer mainly includes type, its application system respectively plain edition subscriber computer system and the command type subscriber computer systems such as plain edition subscriber computer, single deck tape-recorder formula command type subscriber computer and multiple-card command type subscriber computer。Plain edition subscriber computer can receive and send location and the communication information, carries out two-way communication with central station and other user terminal。
In civilian, " Big Dipper one " alignment system is accepted by increasing field and industry。It has been successfully set up Demonstration Application project in the vehicle positioning communications field, and user group is also expanding gradually。Higher level group management department needs subordinate's number of users of management to increase, and single deck tape-recorder formula command type subscriber computer cannot meet far away requirement。
Prior art is tradition single deck tape-recorder formula command type user terminal, and its major defect is as follows:
1, when single deck tape-recorder formula command type user terminal is due to work, user need to launch Positioning/Communication application signal, finite channel capacity, and extremely limited channel speed can only be provided, thus forming channel bottleneck, the number of users being simultaneously operable is caused to greatly reduce, easily cause barrage jamming, it is difficult to meet multi-user's demand, it is possible to cause systemic breakdown；
2, single set tradition command type user terminal can carry out at most 200 subordinate user's command and managements, it is impossible to supports the command and management of more users；
3, owing to subordinate's total number of users of commanding agencies at different levels is relatively big, required Big Dipper command terminal is more, and the cost of Big Dipper user terminal is higher, so the command and monitor net demand to Big Dipper command terminal cannot be met。
Utility model content
For the defect of prior art, this utility model solves that subordinate's number of users of commanding agency at different levels is relatively big, demand is difficult to the technical problem that meets and Big Dipper user terminal cost is higher。
For solving the problems referred to above, this utility model provides a kind of multiple-card Big Dipper command type terminal, and described terminal includes: signal-processing board, SIM plate, power supply module and microwave components, wherein,
220V AC conversion is unidirectional current by described power supply module, powers for described signal-processing board, SIM plate and microwave components；
Described microwave components is connected with antenna by unit cable, launches and receives radiofrequency signal, and described radiofrequency signal carries out variable-frequency filtering process, forming intermediate-freuqncy signal, sending to described signal-processing board；
Described signal-processing board receives described intermediate-freuqncy signal, is transformed to digital signal through A/D；
Described SIM plate is integrated by multiple commander's cards, adopts independent circuit board to install, is connected with described signal-processing board by base plate and expansion interface。
Preferably, described signal-processing board includes A/D chip, fpga chip and dsp chip, wherein,
Described A/D chip, is used for described if signal sampling, row number Base-Band Processing of going forward side by side, and is transformed to described digital signal, sends to described fpga chip, meanwhile, obtains location information, temporal information and the communication information, exported by external interface；
Described fpga chip, for described digital signal is carried out quadrature frequency conversion process, works in coordination with described dsp chip, carries out search channels, follows the tracks of despreading, symbol demodulation and information decoding；
Described dsp chip, for cryptographic protocol is converted, framing, described location information resolves and described SIM board management。
Preferably, described SIM plate is provided with slide rail, for plugging described SIM plate from case front panel。
Preferably, described SIM plate carries out Interface Expanding by CPLD, and described expansion interface adopts 603015 type adapters of 32 pins, lead pin pitch 2.54mm。
Preferably, 220V AC conversion is 5V and 12/28V unidirectional current by described power supply module, wherein,
Described 5V unidirectional current, for powering for described signal-processing board, radio-frequency receiving-transmitting passage and SIM plate；
Described 12/28V unidirectional current, for powering for described microwave components。
Preferably, described microwave components includes multiplexer and transceiver channel, wherein,
Described multiplexer is connected with described antenna, in transmit state, receives described signal-processing board digital modulation signals, after completing modulation, described modulation signal is delivered to described antenna and launches；
Described transceiver channel is connected with described signal-processing board, receives the modulation signal that described signal-processing board sends, and sends described intermediate-freuqncy signal to described signal-processing board。
Preferably, described signal-processing board includes 10 reception passages and 1 transmission channel；Described signal-processing board produces emissioning controling signal 1PPS and timing code。
Preferably, when multiplexer is for launching opening, described 12/28V unidirectional current uses 28V to be that described multiplexer is powered, and when described multiplexer is reception state, described 12/28V unidirectional current uses 12V to be that described multiplexer is powered。
Preferably, described microwave components is that described antenna is powered by unit cable, is controlled the switch of described antenna power amplifier by the emission switch signal of power supply。
In this utility model, adopt multiple-card Big Dipper command type terminal, it is necessary to multiple are commanded card integrated management, effectively room for promotion utilization rate；Adopt independent circuit board that SIM is installed, facilitate and use procedure is commanded card dress take；Jumbo channel efficiently solves barrage jamming, the number of users substantial increase being simultaneously operable, wherein, single set many cards Big Dipper command type terminal can carry out 6000 subordinate user's command and managements, the large-capacity user meeting commanding agency at different levels monitors and the demand of commander reduces the cost that Command Information System is built。
Accompanying drawing explanation
Fig. 1 is the structural representation of multiple-card Big Dipper command type terminal in a preferred embodiment of the present utility model；
Fig. 2 is the structural representation of signal-processing board in a preferred embodiment of the present utility model；
Fig. 3 is the structural representation of SIM plate in a preferred embodiment of the present utility model；
Fig. 4 is the structural representation of power supply module in a preferred embodiment of the present utility model；
Fig. 5 is the structural representation of microwave components in a preferred embodiment of the present utility model。
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described。Obviously, described embodiment is for implementing better embodiment of the present utility model, and described description is to illustrate for the purpose of rule of the present utility model, is not limited to scope of the present utility model。Protection domain of the present utility model should be as defined in claim; based on the embodiment in this utility model; the every other embodiment that those of ordinary skill in the art obtain under the premise not making creative work, broadly falls into the scope of this utility model protection。
Referring to Fig. 1, this utility model embodiment provides a kind of multiple-card Big Dipper command type terminal, and terminal includes: signal-processing board, SIM plate, power supply module and microwave components, wherein,
220V AC conversion is unidirectional current by power supply module, powers for signal-processing board, SIM plate and microwave components；
Microwave components is connected with antenna by unit cable, launches and receives radiofrequency signal, and radiofrequency signal carries out variable-frequency filtering process, forming intermediate-freuqncy signal, sending to signal-processing board；
Signal-processing board receiving intermediate frequency signal, is transformed to digital signal through A/D；
SIM plate is integrated by multiple commander's cards, adopts independent circuit board to install, is connected with signal-processing board by base plate and expansion interface。
In the present embodiment, by multiple are commanded card integrated management, effectively room for promotion utilization rate；Adopt independent circuit board that SIM plate is installed, facilitate and use procedure is commanded card dress take；The jumbo channel comprised in signal-processing board efficiently solves barrage jamming, and the number of users substantial increase being simultaneously operable, the large-capacity user meeting commanding agency at different levels monitors commander's demand, reduces the cost that Command Information System is built。
Further, referring to Fig. 2, signal-processing board includes A/D chip, fpga chip and dsp chip, wherein,
A/D chip, is used for if signal sampling, row number Base-Band Processing of going forward side by side, and is transformed to digital signal, sends to fpga chip, meanwhile, obtains location information, temporal information and the communication information, exported by external interface；
Fpga chip, for digital signal is carried out quadrature frequency conversion process, works in coordination with dsp chip, carries out search channels, follows the tracks of despreading, symbol demodulation and information decoding；
Dsp chip, for cryptographic protocol is converted, framing, location information resolves and SIM board management。
Further, signal-processing board includes 10 reception passages and 1 transmission channel；Signal-processing board produces emissioning controling signal 1PPS and timing code。
In the present embodiment, signal-processing board is sampled by A/D chip, intermediate-freuqncy signal is converted into digital signal, obtain location information, temporal information and the communication information, being exported by external interface, when needs send text, the text sent to by host computer is recombinated, forming digital modulation baseband signal and send radio frequency component, signal-processing board produces emissioning controling signal, 1PPS and timing code；By FPGA and DSP collaborative work, complete search channels, follow the tracks of despreading, symbol demodulation and information decoding, DSP completes encryption and decryption protocol conversion, framing, the information resolving of Big Dipper location and basic management function, and such as SIM management etc., jumbo channel efficiently solves barrage jamming。
Further, referring to Fig. 3, SIM plate is provided with slide rail, for plugging SIM plate from case front panel。
Further, SIM plate carries out Interface Expanding by CPLD, and expansion interface adopts 603015 type adapters of 32 pins, lead pin pitch 2.54mm。
In the present embodiment, multiple are commanded card integrated management by SIM plate, adopt independent circuit board to install SIM, effective room for promotion utilization rate, and the dress of convenient commander's card takes simultaneously；And by base plate and expansion interface and signal-processing board interconnection, by installing slide rail, conveniently plug from case front panel；Limit according to FPGA resource and expansion interface number of signals, adopt CPLD to carry out Interface Expanding, it is possible to hold more user。
Further, referring to Fig. 4,220V AC conversion is 5V and 12/28V unidirectional current by power supply module, wherein,
5V unidirectional current, for powering for signal-processing board, radio-frequency receiving-transmitting passage and SIM plate；
12/28V unidirectional current, for powering for microwave components。
Further, when multiplexer is for launching opening, 12/28V unidirectional current uses 28V to be that multiplexer is powered, and when multiplexer is reception state, 12/28V unidirectional current uses 12V to be that multiplexer is powered。
In the present embodiment, 220V AC conversion is 5V and 12/28V unidirectional current by power supply module, and respectively signal-processing board, radio-frequency receiving-transmitting passage and SIM plate and microwave components are powered, it is ensured that each assembly can steady electricity supply, normal operation。
Further, referring to Fig. 5, microwave components includes multiplexer and transceiver channel, wherein,
Multiplexer is connected with antenna, in transmit state, receives signal-processing board digital modulation signals, after completing modulation, modulation signal is delivered to antenna and launches；
Transceiver channel is connected with signal-processing board, receives the modulation signal that signal-processing board sends, and sends intermediate-freuqncy signal to signal-processing board。
Further, microwave components is that antenna is powered by unit cable, is controlled the switch of antenna power amplifier by the emission switch signal of power supply。
In the present embodiment, microwave components is connected with antenna, sends modulation signal, simultaneously, it is connected with signal-processing board, receives modulation signal, and be sent to intermediate-freuqncy signal, signal transmission is significantly increased, decreases the spending of command type hardware, provide effective monitoring management pattern for a large number of users。
Compared with prior art, this utility model provides a kind of multiple-card Big Dipper command type terminal, adopts multiple commanders to block integrated SIM plate, is managed, is effectively increased space availability ratio so that the volume of many cards command type terminal is less, uses convenient；Adopt independent circuit board that SIM plate is installed, facilitate and use procedure is commanded card dress take；Information processing board includes 10 and receives passage and 1 transmission channel, and jumbo channel efficiently solves barrage jamming, it is ensured that the number of users that can simultaneously position is significantly increased, and meanwhile, significantly reduces terminal cost, reduces hardware costs, saves cost。
Although this utility model being described above in association with preferred embodiment, but it should be appreciated by those skilled in the art, method and system described in the utility model is not limited to the embodiment described in detailed description of the invention, when without departing substantially from this utility model spirit and scope being defined by the appended claims, this utility model can be made various amendment, increase and replace。
Claims (9)
1. a multiple-card Big Dipper command type terminal, it is characterised in that described terminal includes: signal-processing board, SIM plate, power supply module and microwave components, wherein,
220V AC conversion is unidirectional current by described power supply module, powers for described signal-processing board, SIM plate and microwave components；
Described microwave components is connected with antenna by unit cable, launches and receives radiofrequency signal, and described radiofrequency signal carries out variable-frequency filtering process, forming intermediate-freuqncy signal, sending to described signal-processing board；
Described signal-processing board receives described intermediate-freuqncy signal, is transformed to digital signal through A/D；
Described SIM plate is integrated by multiple commander's cards, adopts independent circuit board to install, is connected with described signal-processing board by base plate and expansion interface。
2. terminal as claimed in claim 1, it is characterised in that described signal-processing board includes A/D chip, fpga chip and dsp chip, wherein,
Described A/D chip, is used for described if signal sampling, row number Base-Band Processing of going forward side by side, and is transformed to described digital signal, sends to described fpga chip, meanwhile, obtains location information, temporal information and the communication information, exported by external interface；
Described fpga chip, for described digital signal is carried out quadrature frequency conversion process, works in coordination with described dsp chip, carries out search channels, follows the tracks of despreading, symbol demodulation and information decoding；
Described dsp chip, for cryptographic protocol is converted, framing, described location information resolves and described SIM board management。
3. terminal as claimed in claim 1, it is characterised in that described SIM plate is provided with slide rail, for plugging described SIM plate from case front panel。
4. terminal as claimed in claim 1, it is characterised in that described SIM plate carries out Interface Expanding by CPLD, and described expansion interface adopts 603015 type adapters of 32 pins, lead pin pitch 2.54mm。
5. terminal as claimed in claim 1, it is characterised in that 220V AC conversion is 5V and 12/28V unidirectional current by described power supply module, wherein,
Described 5V unidirectional current, for powering for described signal-processing board, radio-frequency receiving-transmitting passage and SIM plate；
Described 12/28V unidirectional current, for powering for described microwave components。
6. terminal as claimed in claim 1, it is characterised in that described microwave components includes multiplexer and transceiver channel, wherein,
Described multiplexer is connected with described antenna, in transmit state, receives described signal-processing board digital modulation signals, after completing modulation, described modulation signal is delivered to described antenna and launches；
Described transceiver channel is connected with described signal-processing board, receives the modulation signal that described signal-processing board sends, and sends described intermediate-freuqncy signal to described signal-processing board。
7. terminal as claimed in claim 2, it is characterised in that described signal-processing board includes 10 and receives passage and 1 transmission channel；Described signal-processing board produces emissioning controling signal 1PPS and timing code。
8. terminal as claimed in claim 5, it is characterized in that, when multiplexer is for launching opening, described 12/28V unidirectional current uses 28V to be that described multiplexer is powered, when described multiplexer is reception state, described 12/28V unidirectional current uses 12V to be that described multiplexer is powered。
9. terminal as claimed in claim 6, it is characterised in that described microwave components is that described antenna is powered by unit cable, is controlled the switch of described antenna power amplifier by the emission switch signal of power supply。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620053799.5U CN205333860U (en) | 2016-01-20 | 2016-01-20 | Many calories of formula big dipper commander type terminals |
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| CN201620053799.5U CN205333860U (en) | 2016-01-20 | 2016-01-20 | Many calories of formula big dipper commander type terminals |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107105414A (en) * | 2017-04-26 | 2017-08-29 | 成都国星通信有限公司 | A kind of income system and method for Big Dipper RDSS short messages and SMS |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107105414A (en) * | 2017-04-26 | 2017-08-29 | 成都国星通信有限公司 | A kind of income system and method for Big Dipper RDSS short messages and SMS |
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