CN1992066A - Fixing device of vehicle-carrying computer hand disk system - Google Patents
Fixing device of vehicle-carrying computer hand disk system Download PDFInfo
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- CN1992066A CN1992066A CN 200610018471 CN200610018471A CN1992066A CN 1992066 A CN1992066 A CN 1992066A CN 200610018471 CN200610018471 CN 200610018471 CN 200610018471 A CN200610018471 A CN 200610018471A CN 1992066 A CN1992066 A CN 1992066A
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Abstract
The invention relates to a fixing device of hard disk system in vehicle-carried computer, it comprises host computer and display screen, thereinto, the display screen is fixed to the driving-table panel, the host computer is fixed in the vehicle, it characterized in that a hard disk box is fixed vertically with the surface of vehicle beside the host computer. The host computer and hard disk box are fixed to the motherboard or the lazyback of the reserve box of vehicle. The invention adopts the mode of hard disk box vertical fixation to avoid the harm to hard disk resulted by shake constructed during the running cause and make vehicle-carried computer accomplish functions of current computer, and overcome the defects of can not write and little capacity that original computer adopts compact disc or electric disk(memory card). The scheme of the invention can realize the GPS locating navigation, multimedia amusement, wireless internet and vehicle fault detection.
Description
Technical field
The invention belongs to many aspects such as automotive electronics, computing machine and applied physics, is multidisciplinary intersection, is a kind of fixing device of vehicle-carrying computer hand disk system specifically.
Background technology
Vehicle-mounted computer system is with technology combinations such as automotive electronics, computing machine, global positioning satellite navigation, wireless telecommunications, mobile storages, has formed the powerful vehicle intelligent infosystem of a cover.By this cover system, automobile improvement can be become mobile office chamber, multimedia movie theatre and mobile command platform etc., can be widely used in fields such as amusement and recreation, mobile office, emergency command, logistics management and security monitoring.Because present is that the storage mode that can be fit to vehicle-mounted computer mainly contains hard disk, CD and electric board, do simple a comparison below.
| Common capacity | Speed | Cost | Shock resistance | |||
| Magnetic hard disk | 20- 160G | Hurry up | Low | Difference | ||
| CD | 600M- 8G | Slowly | Low | Difference | ||
| Electric board | 16M-2G | Generally | High | Good |
At present, electric board such as SD card, Flash card etc., because memory capacity is limited, cost is higher simultaneously, therefore just seems improper in the multimedia storage.Therefore CD needs to use the hard disk of magnetic medium because the single dish finite capacity is write the function inconvenience simultaneously.The history of magnetic hard disk at most, technology is also ripe, is present capacity maximum, the most common and cheap memory device.
The principle of work of hard disk is to utilize the polarity of specific magnetic particle to come record data.Magnetic head converts the opposed polarity of magnetic particle to different electric impulse signal when reading of data, utilize data converter that these original signals are become the operable data of computer again, and the operation of writing just in time in contrast.
The hard disk inner structure is become by fixed panel, control circuit board, magnetic head, disc, main shaft, motor, interface and other enclosure group, wherein the magnetic head disc devices is the core that constitutes hard disk, it is encapsulated in the purification cavity of hard disk, includes flying head assembly, magnetic head driving mechanism, disc, main shaft driving device and this several sections of preposition read-write control circuit.(1) head stack: this assembly is one of position the most accurate in the hard disk, and it is made up of read-write head, transmission arm, transmission shaft three parts.Magnetic head is most important and the key link in the seagate, be actually the combination of a plurality of magnetic heads that integrated technique makes, it has adopted contactless head, dish structure, powering up the back moves at the magnetic disk surface of high speed rotating, and the gap between the disc has only 0.1～0.3 μ m, can obtain good data transmission rate like this.The hard disk that present rotating speed is 7200RPM flies height and generally all is lower than 0.3 μ m, is beneficial to read bigger high s/n ratio signal, and the reliability of data transmission rate is provided.(2) magnetic head driving mechanism: the tracking of hard disk is by moving head, and moving head then needs this mechanism's driving to realize.The magnetic head driving mechanism is made of solenoid motor, magnetic head driving trolley, against shock device, and high-precision light-duty magnetic head driving mechanism can carry out correct driving and location to magnetic head, and the magnetic track of Precise Position System instruction appointment in a short period of time.(3) disk sheet: disc is the carrier of hard-disc storage data, and hard disc adopts metallic film material mostly now, and this metallic film has advantages such as higher storage density, high remanent magnetism and high-coercive force than the discontinuous particulate vector of floppy disk.In addition, IBM also has the material of a kind of being called as " glass disc " as disc matrix, and the glass disc has better stability than normal disc when moving.Hard disc is fully smooth, can work as mirror simply and use.(4) spindle assemblies (see figure 1): spindle assemblies comprises spindle unit such as bearing and drive motor etc.Along with the expansion of hard-disk capacity and the raising of speed, the speed of spindle motor has manufacturer to begin to adopt the liquid bearing motor technology (FDB) of precision optical machinery industry also in continuous lifting.It is many to adopt the FDB motor that the operating noise of hard disk is reduced, but also can increase the job stability of hard disk.(5) preposition control circuit.The signal of front end circuit control head induction, spindle motor speed governing, magnetic head driving and servo positioning etc. because the weak output signal that magnetic head reads is sealed in the interference that can reduce extraneous signal in the cavity with amplifying circuit, improve the accuracy of operational order.In general, the damage of hard disk can be divided into hard damage and soft damage by big class.Hard damage comprise that head stack damages, control circuit damages, four kinds of comprehensive damage and sector physical damages (common people are referred to as to be the physics bad track): 1, head stack damages: refer to that mainly certain part of head stack is damaged in the hard disk, the situation that causes part or all of magnetic head normally to read and write.Mode and possibility that head stack damages are very many, comprise mainly that magnetic head is dirty, head wear, magnetic head cantilever distortion, magnetic coil are impaired, displacement etc.2, control circuit damages: be meant a certain part line broken circuit or short circuit in the electronic circuit board of hard disk, perhaps some electrical equipment or IC chip damage or the like, cause hard disk disc after energising normally not run up, correctly tracking etc. of back magnetic head perhaps runs up.3, comprehensive damage: mainly be meant because the variety of problems that some small variations produce hard disk.Some is that hard disk is in use because heating or other relations cause segment chip aging; Some be hard disk after being given a shock, shell or card or motor spindle have produced small variation or displacement; Some is that hard disk originally just exists defective in design aspect on heat radiation, friction or structure.All reasons cause the hard disk instability, often lose data or logic error occurs, and operating noise is big, and read or write speed is slow, sometimes can operate as normal but cisco unity malfunction etc. again sometimes.4, sector physical damage: be meant because the physical damage that collision, magnetic head friction or other reasons cause the disk card to occur for example scratches, falls magnetic etc.According to top analysis as can be known, the magnetic head of vibrations generation is the main reason that causes hard disk to come to harm with improper contact of disc.And automobile vibrations in the process of moving are very severe, and are very big to the injury of hard disk.
Summary of the invention
The stationary installation that the purpose of this invention is to provide hard-disk system in a kind of vehicle-mounted computer of avoiding the harm that the vibrations that constitute in the vehicle traveling process bring to hard disk is to overcome above-mentioned deficiency.
To achieve these goals, the present invention is made of host computer and display screen, and wherein display screen is fixed on the bridge panel, and host computer is fixed in the car, is characterized in: also have a hard-disk cartridge and facing direction to be vertically fixed in the car;
Above-mentioned hard-disk cartridge is vertically fixed on by the host computer;
Above-mentioned host computer and hard-disk cartridge are fixed on the base plate of boot of automobile;
Above-mentioned host computer and hard-disk cartridge are fixed on the backrest of automobile trunk.
Because the present invention adopts the mode of hard-disk cartridge vertical fixing, the harm that the vibrations of avoiding constituting in the vehicle traveling process bring to hard disk, make vehicle-mounted computer finish all functions that general computer has, what overcome that former vehicle-mounted computer adopts that CD or electric board (storage card) exist can not write or defective that capacity is little.Adopt the solution of the present invention can realize multinomial functions such as GPS location navigation, multimedia recreation, wireless Internet access and vehicle failure detection; Extensibility of the present invention is strong, can expand to various applications very easily, as public emergent service platforms such as 110,120,119.
Description of drawings
Fig. 1 is the structural representation of hard disc magnetic head.
Fig. 2 by in the vehicle traveling process the schematic diagram of generation seismism.
Fig. 3 is a structural representation of the present invention.
Fig. 4 is a cut-away view of the present invention.
Fig. 5 is a hard disk support bracket structural representation of the present invention.
Fig. 6 is fixing embodiment 1 synoptic diagram of the present invention.
Fig. 7 is fixing embodiment 2 synoptic diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples, but following embodiment should not be construed as limitation of the present invention.
The present invention will make the hard disk in the vehicle-mounted computer avoid being shaken, and will analyze automobile seismism in the process of moving for this reason, has sought out the vibrations rule in the vehicle traveling process.Fig. 2 is the automobile shock conditions of three directions in the process of moving, and vibrations main source in vertical direction and Uneven road bring and jolt, and its vibration amplitude is little, but the vibration frequency height, and destructive power is the strongest; Vibrations on travel direction are mainly derived from the acceleration of automobile, and its vibration amplitude is big, and frequency is taken second place than vertical direction, and destructive power is also less relatively; The centripetal force that produces when vibrations in a lateral direction are mainly derived from turning etc., its vibration amplitude is big, but frequency is less, and acceleration is also little, a little less than the destructive power.Therefore the present invention will avoid this harm that brings with the vibrations on the in-plane that travel direction and vertical direction constitute.According to the analysis of front as can be known, when hard disk runs up, vibrations in the running plane of hard disk vertical direction will directly cause the vibrations of magnetic head even magnetic head to scratch disc etc., therefore in the time of the disc of hard disk and travel direction and vertical direction composition parallel plane, to the injury minimum of hard disk.
Fixedly rubber 2-2.3, hard disk pallet 2-2.4, hard disk fixed screw 2-2.5 and screw cushion 2-2.6 constitute (see figure 5) to hard disk support bracket 2-2 of the present invention by hard-disk interface circuit 2-2.2, hard disk support bracket shell 2-2.1, hard disk.In the drawings, adopted fixedly rubber 2-2.3 chucking hard disk of two hard disks on the hard disk pallet 2-2.4, simultaneously can the buffer memory vibrations.Fixing of hard disk, adopted the screw 2-2.5 that has cushion 2-2.6, effectively Fixed disk and minimizing vibrations, the while screw adopts special shape to guarantee good earth.
The present invention is on the backrest (see figure 7) of (see figure 6) or automobile trunk on the base plate of installing the boot that mainly is installed in automobile, can guarantee the plane parallel that hard disk can constitute with vertical direction and travel direction like this, thereby satisfy goal of the invention of the present invention.
The content that is not described in detail in this instructions belongs to this area professional and technical personnel's known prior art.
Claims (5)
1, the stationary installation of hard-disk system in a kind of vehicle-mounted computer, constitute by host computer and display screen, wherein display screen is fixed on the bridge panel, and host computer (1) is fixed in the car, it is characterized in that: also have a hard-disk cartridge (2) and facing direction to be vertically fixed in the car.
2, the stationary installation of hard-disk system in the vehicle-mounted computer as claimed in claim 1 is characterized in that: it is other that hard-disk cartridge (2) is vertically fixed on host computer (1).
3, the stationary installation of hard-disk system in the vehicle-mounted computer as claimed in claim 1 is characterized in that: host computer (1) and hard-disk cartridge (2) are fixed on the base plate of boot of automobile.
4, the stationary installation of hard-disk system in the vehicle-mounted computer as claimed in claim 1 is characterized in that: host computer (1) and hard-disk cartridge (2) are fixed on the backrest of automobile trunk.
5, the stationary installation of hard-disk system in the vehicle-mounted computer as claimed in claim 1 is characterized in that: have two supports (3-1), (3-2) to fix onboard, main frame (1) and hard-disk cartridge (2) are separately fixed on two supports (3-1), (3-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610018471 CN1992066A (en) | 2006-03-03 | 2006-03-03 | Fixing device of vehicle-carrying computer hand disk system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610018471 CN1992066A (en) | 2006-03-03 | 2006-03-03 | Fixing device of vehicle-carrying computer hand disk system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1992066A true CN1992066A (en) | 2007-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610018471 Pending CN1992066A (en) | 2006-03-03 | 2006-03-03 | Fixing device of vehicle-carrying computer hand disk system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1992066A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984491A (en) * | 2010-11-15 | 2011-03-09 | 深圳市合正汽车电子有限公司 | Vehicle-mounted computer hard disk shock absorption mechanism |
| CN102044282B (en) * | 2009-10-22 | 2012-07-11 | 深圳市合正汽车电子有限公司 | Hard disk damping structure of vehicle-mounted computer |
-
2006
- 2006-03-03 CN CN 200610018471 patent/CN1992066A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044282B (en) * | 2009-10-22 | 2012-07-11 | 深圳市合正汽车电子有限公司 | Hard disk damping structure of vehicle-mounted computer |
| CN101984491A (en) * | 2010-11-15 | 2011-03-09 | 深圳市合正汽车电子有限公司 | Vehicle-mounted computer hard disk shock absorption mechanism |
| CN101984491B (en) * | 2010-11-15 | 2012-08-22 | 深圳市合正汽车电子有限公司 | Vehicle-mounted computer hard disk shock absorption mechanism |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20070704 |