CN201562206U

CN201562206U - Handheld reinforced computer

Info

Publication number: CN201562206U
Application number: CN2009202903017U
Authority: CN
Inventors: 罗晓艳; 耿士华; 李童; 刘传刚; 国长霞
Original assignee: Shandong Chaoyue Numerical Control Electronics Co Ltd
Current assignee: Shandong Chaoyue Numerical Control Electronics Co Ltd
Priority date: 2009-12-18
Filing date: 2009-12-18
Publication date: 2010-08-25
Anticipated expiration: 2019-12-18

Abstract

The utility provides a handheld reinforced computer, which belongs to the field of computers and is structured by comprising a core module and an expansion module; wherein the core module includes a processor module, a memory module, a controller module and an interface module; the expansion module includes a display module, a GPS navigation module and a wireless data transmission module; wherein the display module includes a LCD, as well a backlight control and touch screen, and is connected together with the controller module and a bus driver through a system bus and the display interface module; and the GPS navigation module and the wireless data transmission module are connected together with the processor module through an input-output interface module. Compared with the prior art, the handheld reinforced computer integrates GPS navigation and wireless data transmission into a handheld machine, selects high-speed CPU, and implements environmental adaptation processing, thus greatly improving the operating speed of the handheld machine, and meeting to work stably in severe environment.

Description

A kind of hand-held ruggedized computer

1, technical field

The utility model relates to field of computer technology, specifically a kind of hand-held ruggedized computer.

2, background technology

Along with microelectric technique and fast development of computer technology, increasing high-tech crystallization is applied to special industries such as public security, army, People's Armed Police, the hand-held ruggedized computer is one of them, at present, what the hand-held ruggedized computer majority that these industries are used adopted is the PXA255 processor, arithmetic speed is slow, bearing accuracy is not high, do not possess wireless data transmission function, to add solidity bad etc., and these shortcomings have limited the application of hand-held set to a certain extent.

3, summary of the invention

The utility model is at above-mentioned the deficiencies in the prior art, and a kind of hand-held ruggedized computer is provided.

A kind of hand-held ruggedized computer of the present utility model is realized in the following manner, structure comprises nucleus module and expansion module, wherein nucleus module comprises processor module, memory module, controller module and interface module, wherein memory module comprises FLASH storer and SDRAM storer, controller module comprises graphics controller and ethernet controller, interface module comprises system bus, display interface module and input/output interface module, memory module was set together by direct the connection with processor module of data line, processor module passes through bus driver, graphics controller and ethernet controller and system bus, the display interface module connection is set together, input/output interface module directly and processor module link together, expansion module comprises display module, GPS navigation module and wireless data transfer module, wherein display module comprises liquid crystal display, backlight control and touch-screen, and pass through system bus, display interface module is connected with controller module and bus driver and is set together, and GPS navigation module and wireless data transfer module are connected with processor module by input/output interface module and are set together.

The GPS navigation module links together by three com bus and input/output interface module.

Wireless data transfer module comprises power supply control, rectangle Keyboard Control, CF slot and USB control, and directly and input/output interface module link together.

The utility model is compared with prior art, has following outstanding beneficial effect:

(1) realized GPS navigation and wireless data transmission function effectively, and had the signal emissive ability of high sensitivity signal capturing ability, stability and high efficiency rate, wireless data transfer capability at a high speed.

(2) have characteristics such as wide temperature, three anti-, electromagnetic compatibility, anti-vibrating and impact, highlighted, low-power consumption, wireless data transmission, the reliability height, under rugged environment normal steady operation, the unit that requires for special dispatch control provides integrated service work such as location, communication and time service, realize the two location of real-time follow-up, be widely used in time service and navigator fix and wireless communication field.

4, description of drawings

Fig. 1 is a kind of theory structure synoptic diagram of hand-held ruggedized computer;

Fig. 2 is a kind of surface structure synoptic diagram of hand-held ruggedized computer.

Description of reference numerals: 1., the GPS navigation module, 2., wireless data transfer module, 3., input/output interface module, 4., the FLASH storer, 5., the SDRAM storer, 6., processor module, 7., bus driver, 8., graphics controller, 9., ethernet controller, 10., system bus, display interface module.

5, embodiment

Explain below with reference to Figure of description a kind of hand-held ruggedized computer of the present utility model being done.

As shown in Figure 1, a kind of hand-held ruggedized computer is realized in the following manner, structure comprises nucleus module and expansion module, wherein nucleus module comprises that processor module 6., memory module, controller module and interface module, wherein memory module comprises that 5. 4. the FLASH storer reach the SDRAM storer, controller module comprises that 9. 8. graphics controller reach ethernet controller, interface module comprises system bus, 3. 10. display interface module reach input/output interface module, memory module was set together by direct 6. the connection with processor module of data line, processor module 6. by bus driver 7., graphics controller 8. reach ethernet controller 9. with system bus, 10. display interface module connects and is set together, input/output interface module 3. directly and processor module 6. link together, expansion module comprises display module, 2. 1. the GPS navigation module reach wireless data transfer module, wherein display module comprises liquid crystal display, backlight control and touch-screen, and pass through system bus, 7. 10. display interface module be connected with controller module and bus driver and be set together, 1. the GPS navigation module reaches wireless data transfer module and 2. is connected with processor module by input/output interface module and is set together, 3. 1. the GPS navigation module link together by three com bus and input/output interface module, 2. wireless data transfer module comprises power supply control, the rectangle Keyboard Control, CF slot and USB control, and directly and input/output interface module 3. link together.

As shown in Figure 2, a kind of hand-held ruggedized computer of the present utility model is light, volume is little and portable characteristics.

Circuit board has carried out thermal design, filtering, three anti-designs, adopt the high brightness liquid crystal display, and in board design, realized highlighted Presentation Function, displaying contents is visual under high light, brush three anti-glue on the circuit board, can realize three anti-requirements, add conductive rubber strip between the casing upper and lower covers, air plug adopts the nickel plating air plug, can satisfy electromagnetic compatibility requirements; Vibration isolation cushion technique and electromangnetic spectrum have been adopted, working environment according to the hand-held ruggedized computer, existing wideband vibration has the impact of certain intensity again, this machine is to the restriction of volume weight in addition, through relatively comprehensive, adopt the damping shock absorption technology, housing adopts magnesium-aluminium alloy material, and increase protective coating, guaranteed that chemical erosion does not take place Big Dipper guiding aircraft under salt mist environment, adopted the incorporate version of sealing simultaneously, avoided moisture, salt fog, sand and dust are invaded casing inside, the electromagnetic compatibility shielding design mainly is to guarantee that complete machine has good Electro Magnetic Compatibility, makes it to have the anti-electromagnetic impact performance of Tempest.

A kind of hand-held ruggedized computer of the present utility model adopts the PXA270 processor of INTEL, processing speed can reach 520MHz, be equipped with the higher embedded WINCE5.0 operating system of real-time, can carry out the computing of mass data by multithreading, 1. the GPS navigation module is made up of GPS receiver and gps antenna, data processing software and corresponding user equipment such as computing machine meteorologic instrument etc., be used for receiving the signal that gps satellite sends, utilize these signals to carry out work such as navigator fix; 2. wireless data transfer module adopts the 802.11g agreement, utilizes different codings and compression method, has solved 802.11b and has still had the slow and high problem of 802.11a cost of transmission speed.

Mu balanced circuit in the voltage input circuit is selected the higher DC-DC power supply chip of conversion efficiency for use, efficient can reach 98%, effectively reduced the thermal value of machine, the power module design has realized that wide voltage transitions becomes required 5V of nucleus module and 3.3V voltage, for the normal steady operation of system, the built-in 8.4v poly-lithium battery of this ruggedized computer is when connecting external power supply, if the lithium battery quantity not sufficient is then given lithium cell charging.

The experimental test analysis result:

Operating temperature range can be 20g in the shock pulse peak accelerator between-20 ℃～55 ℃, and airborne and vehicle-mounted requirement has effectively been satisfied in reliable and stable work in vibration frequency is the scope of 5Hz～200Hz.

Except that the described technical characterictic of instructions, be the known technology of those skilled in the art.

Claims

1. hand-held ruggedized computer, it is characterized in that comprising nucleus module and expansion module, wherein nucleus module comprises processor module, memory module, controller module and interface module, wherein memory module comprises FLASH storer and SDRAM storer, controller module comprises graphics controller and ethernet controller, interface module comprises system bus, display interface module and input/output interface module, memory module was set together by direct the connection with processor module of data line, processor module passes through bus driver, graphics controller and ethernet controller and system bus, the display interface module connection is set together, input/output interface module directly and processor module link together, expansion module comprises display module, GPS navigation module and wireless data transfer module, wherein display module comprises liquid crystal display, backlight control and touch-screen, and pass through system bus, display interface module is connected with controller module and bus driver and is set together, and GPS navigation module and wireless data transfer module are connected with processor module by input/output interface module and are set together.

2. according to claims 1 described a kind of hand-held ruggedized computer, it is characterized in that the GPS navigation module links together by three com bus and input/output interface module.

3. according to claims 1 described a kind of hand-held ruggedized computer, it is characterized in that wireless data transfer module comprises power supply control, rectangle Keyboard Control, CF slot and USB control, and directly and input/output interface module link together.