CN202502749U

CN202502749U - Large-capacity mobile hard disk

Info

Publication number: CN202502749U
Application number: CN2012201381365U
Authority: CN
Inventors: 陈辉煜; 王笑
Original assignee: Zhejiang Normal University CJNU
Current assignee: Zhejiang Normal University CJNU
Priority date: 2012-03-29
Filing date: 2012-03-29
Publication date: 2012-10-24
Anticipated expiration: 2022-03-29

Abstract

The utility model discloses a large-capacity mobile hard disk, which comprises a shell body, a PCB board arranged in the shell body, a hard disk arranged in the shell body, and a decryption and encryption device connected to the PCB board, wherein the PCB board comprises a chip, a control circuit and a cache, and a data interface, a master-slave setting jumper and a power interface which are arranged on the PCB board and are connected to the outside of the shell body; and the hard disk consists of a main shaft, a disk platter, a magnetic head assembly, a motor magnetic head driving mechanism and a front control circuit, and is connected to a computer through the data interface and the power interface. The adoption of the technical scheme enables the large-capacity mobile hard disk to have a long service life, be easy to carry, and have encryption function.

Description

A kind of jumbo portable hard drive

Technical field

The utility model relates to a kind of jumbo portable hard drive.

Background technology

Portable hard drive is as the more serious industry of homogeneity, and most of portable hard drive internal structures are basic identical, but portable hard drive utilizes the self-technique advantage; Increase the featured function and the added value of portable hard drive; Enhance competitiveness and cost performance, and security property is low in the existing portable hard drive, can not ensures with producing storage data safety; And existing hard disk is low serviceable life, is not easy to carry.

Summary of the invention

The technical matters that the utility model will solve provides a kind of high life, is easy to carry, and the jumbo portable hard drive of encryption function is arranged.

For solving above technical matters, the utility model adopts following technical scheme to realize: a kind of jumbo portable hard drive comprises housing, and is arranged on the pcb board in the housing, and be arranged on the hard disk in the housing, and is connected to the enabling decryption of encrypted device on the pcb board;

Comprise chip, control circuit and Cache on the said pcb board, and be arranged on the pcb board and be connected to housing outer data-interface, principal and subordinate jumper wire device and power interface are set that said control circuit is connected with chip with Cache;

Comprise main shaft, disc sheet, head stack, motor magnetic head driving mechanism and preposition control circuit on the said hard disk; Said disc sheet is installed on the main shaft; Said head stack is installed on the motor magnetic head driving mechanism; Said motor magnetic head driving mechanism is installed on the housing, and said preposition control circuit is connected on the head stack.

Further, said chip comprises main control chip, secondary control chip, data transmission chip and data cache chip, and said control circuit comprises that main shaft alignment circuit, magnetic head drive and servo positioning circuit, read/write circuit and control and interface circuit.

Further, said enabling decryption of encrypted device comprises password setting module, password identification and confirms module, password modified module and bad password alarm module.

Further, said head stack is provided with read-write head, transmission arm and transmission shaft, and said read-write head is near on the disc sheet.

The beneficial effect of the jumbo portable hard drive of the utility model is: be connected on the computer through data-interface with power interface, adopt above technical scheme, can reach high life, be easy to carry, the purpose of encryption function is arranged.

Description of drawings

Fig. 1 is the pcb board structural representation of the jumbo portable hard drive of the utility model;

Fig. 2 is the hard disk structural representation of the jumbo portable hard drive of the utility model;

Fig. 3 is the circuit block diagram of the enabling decryption of encrypted device of the jumbo portable hard drive of the utility model.

Embodiment

In the present embodiment, with reference to Fig. 1, shown in, the jumbo portable hard drive of the utility model comprises housing 1, and is arranged on the pcb board 2 in the housing 1, and is arranged on the hard disk 3 in the housing 1, and is connected to the enabling decryption of encrypted device 4 on the pcb board 2;

Comprise chip 5, control circuit 6 and Cache 7 on the said pcb board 2, and be arranged on the pcb board and be connected to housing outer data-interface 8, principal and subordinate jumper wire device 9 and power interface 10 are set that said control circuit 6 is connected with chip 5 with Cache 7;

Comprise main shaft 18, disc sheet 19, head stack 20, motor magnetic head driving mechanism 21 and preposition control circuit 22 on the said hard disk 3; Said disc sheet 19 is installed on the main shaft 18; Said head stack 20 is installed on the motor magnetic head driving mechanism 21; Said motor magnetic head driving mechanism 21 is installed on the housing 1, and said preposition control circuit 22 is connected on the head stack 20.

Wherein, Said chip 5 comprises main control chip 11, secondary control chip 12, data transmission chip 13 and data cache chip 14, and said control circuit 6 comprises that main shaft alignment circuit 15, magnetic head drive and servo positioning circuit 16, read/write circuit and control and interface circuit 17; Said enabling decryption of encrypted device 4 comprises password setting module 26, password identification and confirms module 27, password modified module 28 and bad password alarm module 29; Said head stack 20 is provided with read-write head 23, transmission arm 24 and transmission shaft 25, and said read-write head 23 is near on the disc sheet 19.

Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from the spirit and the scope of the utility model.Like this, belong within the scope of the utility model claim and equivalent technologies thereof if these of the utility model are revised with modification, then the utility model also is intended to comprise these changes and modification interior.

Claims

1. a jumbo portable hard drive is characterized in that: comprise housing, and be arranged on the pcb board in the housing, and be arranged on the hard disk in the housing, and be connected to the enabling decryption of encrypted device on the pcb board;

2. jumbo portable hard drive according to claim 1; It is characterized in that: said chip comprises main control chip, secondary control chip, data transmission chip and data cache chip, and said control circuit comprises that main shaft alignment circuit, magnetic head drive and servo positioning circuit, read/write circuit and control and interface circuit.

3. jumbo portable hard drive according to claim 1 is characterized in that: said enabling decryption of encrypted device comprises password setting module, password identification and confirms module, password modified module and bad password alarm module.

4. jumbo portable hard drive according to claim 1 is characterized in that: said head stack is provided with read-write head, transmission arm and transmission shaft, and said read-write head is near on the disc sheet.