CN201576095U - Portable digitized intelligence scouting terminal - Google Patents
Portable digitized intelligence scouting terminal Download PDFInfo
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- CN201576095U CN201576095U CN2009202783424U CN200920278342U CN201576095U CN 201576095 U CN201576095 U CN 201576095U CN 2009202783424 U CN2009202783424 U CN 2009202783424U CN 200920278342 U CN200920278342 U CN 200920278342U CN 201576095 U CN201576095 U CN 201576095U
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- pxa270 processor
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Abstract
The utility model discloses a portable digitized intelligence scouting terminal comprising a PDA mainboard, a BD component, a GPS component, an LCD screen, a main battery, an SDRAM, a FLASH memory and an AC' 97 audio interface, wherein the BD component consists of an Nspack module, a high-frequency feeder line and an Nspack antenna; the GPS component consists of a GPS module and a GPS antenna; a processing core of the PDA mainboard adopts an Intel PXA270 processor; and the Nspack module adopts an Nspack 1 integrated module produced by the BroadGalaxy Electronics Technology Ltd. The portable digitized intelligence scouting terminal can meet the requirements of modern battles by utilizing an Nspack and GPS double-module position-fixing and navigation system, especially various means provided for assistant scouting.
Description
Technical field
The utility model relates to a kind of portable digital information investigation terminal, utilizes the Big Dipper, GPS bimodulus piece Position Fixing Navigation System, and the auxiliary scouting of its multiple means that provides especially can be provided.
Background technology
Along with the development of satellite technology, location, navigation, monitoring and the real-time Communication for Power of utilizing the Big Dipper and GPS to finish target have been proven technique.Existing scouting terminal mainly utilizes these technology to carry out reconnaissance mission, and its main drawback has:
1. volume very much not is easy to carry.Though present handheld terminal has been realized miniaturization for main equipment, but and do not meet the demand of field service, and the progressively increase along with to high capacity storage and the requirement of high arithmetic capability has also proposed the requirement of approaching harshness to the volume of equipment.
2. terminal itself can not be stored map.When using, present terminal can not directly paint obtaining locating information at the enterprising rower of terminal.Need to cooperate map made of paper to use, very inconvenient, obviously do not accepted by the modern digital war yet.
Summary of the invention
Technology of the present utility model is dealt with problems and is: overcome the deficiencies in the prior art, a kind of portable handheld terminal is provided, volume is little, and can satisfy modern digital war demand.
Technical solution of the present utility model is: portable digital information is scouted terminal, comprises PDA mainboard, BD assembly, GPS assembly, LCD screen, main battery; SDRAM, FLASH storer, AC ' 97 audio interface; Described BD assembly comprises Big Dipper module, high-frequency feed line and Big Dipper antenna; Described GPS assembly comprises GPS module and gps antenna;
The processing core of PDA mainboard adopts Intel PXA270 processor; Main battery is the whole terminal power supply by the battery interface on the PDA mainboard; 3 serial communication interfaces are set on the PDA mainboard, Big Dipper module adopts the wide good Big Dipper 1 integrated module of producing, be fixed on the PDA mainboard, communicate by one of them serial communication interface and PXA270 processor, Big Dipper antenna is connected on the Big Dipper module by high-frequency feed line; The GPS module directly embeds on the PDA mainboard, communicates by another one serial communication interface and PXA270 processor, and gps antenna is connected on the PDA mainboard by coaxial connector; The 3rd serial communication interface on the PDA mainboard is debugging interface; The display that this digitizing information is scouted terminal adopts the LCD screen, and the integrated lcd controller in LCD screen and PXA270 processor inside is connected; SDRAM is the terminal internal memory, adopt two K4S511632D-UC75, its data bus is connected with low 16 with high 16 of PXA270 processor respectively, the data mask signal LQOM of high 16 SDRAM is connected with DQM2, the DQM3 of PXA270 processor respectively with UQOM, the data mask signal LQOM of low 16 SDRAM is connected with DQM0, the DQM1 of PXA270 processor respectively with UQOM, sheet choosing and the corresponding connection of control signal corresponding; The FLASH storer is the hard disk of terminal, comprise two NORFLASH and a slice NAND FLASH, the data bus of two NOR FLASH is connected with low 16 bit data bus with high 16 of PXA270 respectively, chip selection signal and other control signals are corresponding to be connected, and the data bus of NAND FLASH is connected with the low eight bit data bus of PXA270 processor; AC ' 97 audio interface are connected with the PXA270 processor by AC_Link; SD storage card stored electronic map file, the SD card inner integrated by the PXA270 processor connects.
Reserve USB interface on the described PDA mainboard, carry out alternately with outer PC.
Expand Ethernet interface on the described PXA270 processor.
Described terminal machine volume length≤170mm, wide≤100mm, height≤35mm.
The utility model compared with prior art beneficial effect is:
(1) the utility model is integrated in Big Dipper module and GPS module on the mainboard, and the multiple means that can utilize these two modules to provide is fully assisted scouting, can satisfy the modern operation requirement.
(2) this terminal has adopted in the market very small-sized Big Dipper module in the finding product, and integrated after the parts such as battery, antenna, embedded type CPU, liquid crystal display, volume is still small and exquisite to be easy to carry.Machine volume length≤170mm, wide≤100mm, height≤35mm, complete machine weight≤0.8Kg (containing battery).
(3) software on the terminal is supported multiple format maps such as striograph grid map polar plot, just can directly carry out operations to electronic chart by this software on terminal like this, is the important breakthrough of present digitizing operation.
Description of drawings
Fig. 1 is a utility model structure composition frame chart;
Fig. 2 is power management partial circuit figure;
Fig. 3 is serial ports partial circuit figure;
Fig. 4 is a GPS module section circuit diagram;
Fig. 5 is a LCD display part circuit diagram;
Fig. 6 is the SDRAM circuit diagram;
Fig. 7 is a NOR FLASH circuit diagram;
Fig. 8 is a NAND FLASH circuit diagram;
Fig. 9 is audio frequency and touch screen circuitry;
Figure 10 is a SD card portion circuit diagram;
Figure 11 is the usb segment circuit diagram;
Figure 12 is the ethernet controller circuit theory diagrams;
Figure 13 is the circuit diagram of keyboard portion.
Embodiment
As shown in Figure 1, portable digital information is scouted terminal, comprises PDA mainboard, BD assembly, GPS assembly, LCD screen, main battery; SDRAM, FLASH storer, AC ' 97 audio interface; Described BD assembly comprises Big Dipper module, high-frequency feed line and Big Dipper antenna; Described GPS assembly comprises GPS module and gps antenna; The PDA mainboard is a hardware core of scouting terminal, and the BD assembly is the basis of application software operation, and the LCD screen is main man-machine interaction means, the source of work when main battery then is system stability length.
The processing core of PDA mainboard adopts Intel PXA270 processor (being the CPU in the accompanying drawing); Dispose a large amount of peripheral hardware resources, form high-end embedded system platform, have the characteristics of high-performance, low-power consumption, feature richness.
Main battery is the whole terminal power supply by the battery interface on the PDA mainboard, adopts LM22670 (it imports 11.1V, output 5V), in order to detect electric quantity of power supply, adopts MAX1586 monitoring electric weight, and its connecting circuit figure as shown in Figure 2
3 serial communication interfaces are set on the PDA mainboard, adopt the RS-232-C interface to realize.The RS-232-C interface is present the most frequently used a kind of serial communication interface, this terminal adopts MAX3232, it is a outstanding RS-232 chip of Maxim company, operating voltage is 3～5V, two-way each two IO channel, minimum switching rate is 120Kbps, and the circuit diagram of serial ports part as shown in Figure 3.
Big Dipper module adopts the wide good Big Dipper 1 integrated module of producing, and its volume is length=73mm, width=51mm, thickness=11mm.Frame is screwed on the PDA mainboard.Communicate by one of them serial communication interface and PXA270 processor, Big Dipper antenna is connected on the Big Dipper module by high-frequency feed line.
The LEA-5 that the GPS module adopts Switzerland UBLOX to produce, LEA-5 provides supper-fast primary positioning time, the GPS framework that it adopts not only has 50 passages, also provides to surpass 1,000,000 correlator and independently location and search engine, can carry out large-scale parallel search.Under the AssistNowA-GPS service assist, the LEA-5 module can obtain satellite-signal less than one second and finish location first.The GPS module directly embeds mainboard, as shown in Figure 4, communicates by another one serial communication interface and PXA270 processor, and gps antenna is connected on the PDA mainboard by coaxial connector.
The 3rd serial communication interface on the PDA mainboard is debugging interface; This test interface can adopt the JTAG mouth.JTAG (combined testing action group) is the detection PCB of formulation in 1985 and a standard of IC chip, revises standard, i.e. an IEEE1149.1-1990 who becomes IEEE after nineteen ninety.The JTAG technology is a kind of embedded type debugging technology, and it has encapsulated special test circuit TAP (test access port) at chip internal, and the jtag test instrument by special use carries out boundary scan and fault detect to the hardware circuit with jtag interface chip.
The display that this digitizing information is scouted terminal adopts the LCD screen, and the inner integrated lcd controller of LCD screen and PXA270 processor is connected, and the PXA270 processor supports multiple LCD to shield, and the circuit diagram of LCD display part is illustrated in fig. 5 shown below;
SDRAM is the terminal internal memory, SDRAM adopts two K4S511632D-UC75, its data bus is connected with low 16 with high 16 of PXA270 processor respectively, the data mask signal LQOM of high 16 SDRAM is connected with DQM2, the DQM3 of PXA270 processor respectively with UQOM, the data mask signal LQOM of low 16 SDRAM is connected with DQM0, the DQM1 of PXA270 processor respectively with UQOM, sheet choosing and the corresponding connection of control signal corresponding, promptly constitute the SDRAM system of a 128MB, 32 bit wides, the circuit connection diagram of this part as shown in Figure 6.
The FLASH storer is equivalent to the hard disk of this terminal, it is erasable that it can carry out electricity, have low-power consumption, high capacity, erasing speed fast, can be whole or the branch sector carry out system's programming, characteristics such as wipe, and can finish operation by the algorithm that inside embeds, in embedded system, obtain using widely chip.The FLASH storer mainly is divided into two types of NOR and NAND.The transfer efficiency of NOR FLASH is very high, has very high cost-benefit during low capacity, but the very low performance that influences it with erasing speed greatly that writes; NAND FLASH structure can provide high cell density, can reach high density storage, and it writes with erasing speed also very soon, but there is the problem of the interface of the special system of managerial demand in it.PXA270 only supports to start from NOR FLASH interface, this terminal adopts two MT28F128J3RP parallel connections as system's nonvolatile storage space, the data bus of two NOR FLASH is connected with low 16 bit data bus with high 16 of PXA270 processor respectively, chip selection signal and other control signals are corresponding to be connected, promptly constituted the FLASH system of a 32MB, 32 bit wides, its connection diagram is as shown in Figure 7.NANDFLASH is mainly used to store mass data, and its data bus is connected with the low eight bit data bus of PXA270 processor.
Native system adopts the K9GAG08UOM-PCB0 of SAMSUNG, and its monolithic capacity is 2G, and its circuit as shown in Figure 8.
This terminal adopts the audio interface of AC ' 97 to carry out the relevant control of audio frequency, realizes the mutual and transmission of related control information mutually of audio data frame by the external AC ' 97Codec of AC_Link.AC ' 97Codec adopts Philip UCB1400BE, and this chip operation is supported AC ' 972.1 versions at 3.3V, can be connected with PXA270 easily; Inside carries 20-bit Codec DAC, can directly drive stereophone, and this terminal based on the audio frequency of UCB1400BE and touch screen circuitry as shown in Figure 9.
The software support that this terminal provides loads map file in large quantities, and FLASH itself does not support so big capacity, and this just needs extra equipment for using.This terminal adopts the SD storage card to carry out extra support.The SD storage card is a kind of memory device of new generation of based semiconductor fast-flash memory device.SD card that the PXA270 processor is inner integrated is supported the visit to SD card, mmc card and SDIO equipment, supports SD card 1.01 standards, and concrete circuit diagram as shown in figure 10.The SD storage card is gone back the software that storage terminal is realized various functions except storing a large amount of electronic map file, mainly the function that can realize has location, map to mark and draw, send note etc.Must input password, the map that loading has been stored from the SD card then when software is initial.Connect Big Dipper module or GPS module, click navigation button after the successful connection, just can position self-position, positioning result is presented on the screen.
In order better to carry out the mutual of terminal and PC, this terminal has been reserved USB interface.USB is the abbreviation of Universal Serial Bus, is a kind of process computer simultaneously and have the cable bus of communicating by letter between the USB interface peripheral hardware, and these are connected to the bandwidth of the peripheral hardware shared in common USB on the computing machine.The PXA270 processor is integrated USB1.1 master controller and slave unit controller, concrete circuit diagram is illustrated in fig. 11 shown below
For in the future the expansion, this termination extension Ethernet interface ETHERNET.Selected LAN91C111 for use, it is the 10/100M fast Ethernet controller that is specifically designed to embedded product that SMSC company produces, and has able to programme, CRC check, synchronously or characteristics such as asynchronous working mode, Low-Power CMOS design, small size.LAN91C111 adopts 32 from the eisa bus interface mode, and detail circuits figure as shown in figure 12.
The PXA270 processor is built-in with button controller, and buttons and 8 are directly imported in 8 of maximum supports
*8 matrix press-key, its outside keyboard that connects, keyboard provides quick adjustment function, and as adjusting screen intensity etc., concrete circuit diagram is illustrated in fig. 13 shown below.
Adopt a compact appearance structure to pack said structure, can obtain this terminal complete machine.Structure processing will be considered characteristics such as waterproof and dustproof, electromagnetic screen, heat dispersion height, this part content belongs to those skilled in the art's known technology, here be introduced no longer in detail, after the chip that employing is introduced is above assembled, machine volume can reach: length≤170mm, wide≤100mm, height≤35mm, complete machine weight≤0.8Kg (containing battery).
The unspecified part of the utility model belongs to general knowledge as well known to those skilled in the art.
Claims (4)
1. portable digital information is scouted terminal, it is characterized in that: comprise PDA mainboard, BD assembly, GPS assembly, LCD screen, main battery; SDRAM, FLASH storer, AC ' 97 audio interface; Described BD assembly comprises Big Dipper module, high-frequency feed line and Big Dipper antenna; Described GPS assembly comprises GPS module and gps antenna;
The processing core of PDA mainboard adopts Intel PXA270 processor; Main battery is the whole terminal power supply by the battery interface on the PDA mainboard; 3 serial communication interfaces are set on the PDA mainboard, Big Dipper module adopts the wide good Big Dipper 1 integrated module of producing, be fixed on the PDA mainboard, communicate by one of them serial communication interface and PXA270 processor, Big Dipper antenna is connected on the Big Dipper module by high-frequency feed line; The GPS module directly embeds on the PDA mainboard, communicates by another one serial communication interface and PXA270 processor, and gps antenna is connected on the PDA mainboard by coaxial connector; The 3rd serial communication interface on the PDA mainboard is debugging interface; The display that this digitizing information is scouted terminal adopts the LCD screen, and the integrated lcd controller in LCD screen and PXA270 processor inside is connected; SDRAM is the terminal internal memory, adopt two K4S511632D-UC75, its data bus is connected with low 16 with high 16 of PXA270 processor respectively, the data mask signal LQOM of high 16 SDRAM is connected with DQM2, the DQM3 of PXA270 processor respectively with UQOM, the data mask signal LQOM of low 16 SDRAM is connected with DQM0, the DQM1 of PXA270 processor respectively with UQOM, sheet choosing and the corresponding connection of control signal corresponding; The FLASH storer is the hard disk of terminal, comprise two NORFLASH and a slice NAND FLASH, the data bus of two NOR FLASH is connected with low 16 bit data bus with high 16 of PXA270 respectively, chip selection signal and other control signals are corresponding to be connected, and the data bus of NAND FLASH is connected with the low eight bit data bus of PXA270 processor; AC ' 97 audio interface are connected with the PXA270 processor by AC_Link; SD storage card stored electronic map file, the SD card inner integrated by the PXA270 processor connects.
2. portable digital information according to claim 1 is scouted terminal, it is characterized in that: reserve USB interface on the described PDA mainboard, carry out alternately with outer PC.
3. portable digital information according to claim 1 is scouted terminal, it is characterized in that: expand Ethernet interface on the described PXA270 processor.
4. portable digital information according to claim 1 is scouted terminal, it is characterized in that: described terminal machine volume length≤170mm, and wide≤100mm, height≤35mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202783424U CN201576095U (en) | 2009-12-24 | 2009-12-24 | Portable digitized intelligence scouting terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202783424U CN201576095U (en) | 2009-12-24 | 2009-12-24 | Portable digitized intelligence scouting terminal |
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| Publication Number | Publication Date |
|---|---|
| CN201576095U true CN201576095U (en) | 2010-09-08 |
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ID=42695972
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202783424U Expired - Lifetime CN201576095U (en) | 2009-12-24 | 2009-12-24 | Portable digitized intelligence scouting terminal |
Country Status (1)
| Country | Link |
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| CN (1) | CN201576095U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728627A (en) * | 2013-12-19 | 2014-04-16 | 天津光电通信技术有限公司 | Embedded positioning system based on Ublox GPS module |
| CN105403897A (en) * | 2015-11-28 | 2016-03-16 | 芜湖市振华戎科智能科技有限公司 | Beidou-navigation-satellite-based portable communication box for individual soldier in field |
-
2009
- 2009-12-24 CN CN2009202783424U patent/CN201576095U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728627A (en) * | 2013-12-19 | 2014-04-16 | 天津光电通信技术有限公司 | Embedded positioning system based on Ublox GPS module |
| CN105403897A (en) * | 2015-11-28 | 2016-03-16 | 芜湖市振华戎科智能科技有限公司 | Beidou-navigation-satellite-based portable communication box for individual soldier in field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100908 |
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| CX01 | Expiry of patent term |