CN219202225U

CN219202225U - Hard disk

Info

Publication number: CN219202225U
Application number: CN202222937395.0U
Authority: CN
Inventors: 朱奥雪
Original assignee: Wuhan Shuangsheng Network Technology Co ltd
Current assignee: Wuhan Shuangsheng Network Technology Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-06-16
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to the technical field of computer hardware and discloses a hard disk, which comprises a disk body device, wherein a circuit device is arranged at the bottom end of the disk body device, the disk body device and the circuit device are fixedly connected through a circuit line, a pressure balance channel is arranged at the top end of the left side of the disk body device, air filter paper is placed in the pressure balance channel, the disk body device comprises a permanent magnet, and a magnetic head arm is arranged at the middle position of the right arc surface of the permanent magnet. The utility model ensures that the voltage of the circuit in the hard disk is in a stable state by arranging the capacitor and the voltage stabilizing diode, prolongs the service life of the hard disk, greatly improves the heat dissipation efficiency by arranging the heat dissipation device and the flexible material, absorbs a large amount of heat when the hard disk works, and can effectively lighten the vibration generated when the heat dissipation device rotates while improving the heat dissipation efficiency.

Description

Hard disk

Technical Field

The utility model relates to the technical field of computer hardware, in particular to a hard disk.

Background

Computer hard disks are the most prominent storage devices for computers, consisting of one or more discs made of aluminum or glass. The discs are covered with ferromagnetic material. Most of hard disks are fixed hard disks, are permanently sealed and fixed in hard disk drives, and mainly comprise a base, a top cover, a disk, a magnetic head assembly, a circuit board and other components, and the disk and the magnetic head assembly and other core components of the hard disk are positioned in a hard disk space surrounded by the base and the top cover.

The existing hard disk is in an integrally sealed structure, the temperature inside the hard disk is gradually increased along with the increase of the service time, so that hard disk circuit components are out of order, the magnetic medium can also cause recording errors due to the thermal expansion effect, if a cooling fan is additionally arranged outside, the cooling efficiency is generally lower, and the magnetic disk is scratched by the magnetic head due to the vibration of the fan, the magnetic disk is possibly scratched by the magnetic head if the magnetic disk is scratched by the violent vibration, the whole hard disk cannot be used, in addition, when the hard disk begins to work, the hard disk is generally in high-speed rotation, and if the hard disk is in a trip or unstable voltage condition, the hard disk is possibly damaged due to the violent friction between the magnetic head and the disk.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a hard disk to solve the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a hard disk, includes disk body device, circuit device is installed to disk body device's bottom, disk body device and circuit device pass through circuit line fixed connection, pressure balance channel has been seted up on disk body device left top, air filter paper has been placed to pressure balance channel inside, pressure balance channel's effect is balanced hard disk internal and external atmospheric pressure, and the temperature rise when hard disk works leads to the inside and outside atmospheric pressure difference that appears of hard disk, uses for a long time and easily damages electronic component, air filter paper can effectively separate the dust in the air when permeating the air;

further, the disk device comprises a permanent magnet, the magnetism of the magnetic head is guaranteed not to weaken or disappear through the permanent magnet, a magnetic head arm is arranged in the middle of the right arc surface of the permanent magnet, the magnetic head is arranged at one end, far away from the permanent magnet, of the magnetic head arm, the magnetic head is the most expensive component in a hard disk and is also the most important and most critical ring in the hard disk technology and used for reading and writing data, a voice coil motor is arranged at the bottom end of the magnetic head arm, the magnetic head arm is fixedly connected with the permanent magnet through the voice coil motor, the voice coil motor is a linear motor and can directly drive the magnetic head arm to do linear motion, a disk body is arranged below the magnetic head, the disk body is a data storage area of the hard disk, the storage capacity of the hard disk is increased through stacking a plurality of disk bodies, and a spindle motor is arranged in the middle of the disk body.

Further, the circuit device comprises an interface, the hard disk is connected with the computer through the interface, the hard disk is powered and data are transmitted bidirectionally, one end of the interface is fixedly connected with a circuit board, a plurality of control chips are arranged in the circuit board and are information control areas of the hard disk, a capacitor is arranged at one end of the circuit board, a voltage stabilizing diode is arranged at one end, far away from the capacitor, of the circuit board, the voltage of the whole circuit can be stabilized by the voltage stabilizing diode, and even if the current in the circuit changes in a large range, the voltage at two ends of the voltage stabilizing diode is basically stabilized near breakdown voltage.

Further, the one end of circuit device is equipped with heat abstractor, circuit device passes through circuit line fixed connection with heat abstractor, heat abstractor is including the motor, motor outer wall encircles and distributes and has a plurality of flabellums, and when the circuit was circular telegram, the motor starts to drive the flabellum and rotates, and the heat dissipation work begins, heat abstractor evenly fills all around has flexible material, flexible material is made by multiple material, has good heat absorption shock attenuation effect, and when hard disk long-time during operation, the inside heat of disk body device is absorbed by flexible material, is transmitting the external world through heat abstractor to the vibrations that heat abstractor during operation produced also can be absorbed by flexible material.

Further, the capacitor comprises a capacitor main body, a plurality of capacitor pins are fixedly connected below the capacitor main body, normal operation of the capacitor is ensured by installing the capacitor pins at the correct positions of the circuit, the zener diode comprises a diode main body, diode pins are fixedly connected at the left end and the right end of the diode main body, positive poles and negative poles are required to be distinguished during installation, and otherwise, the zener diode cannot normally operate.

Furthermore, the spindle motor drives the disk to rotate at a high speed, generates buoyancy to enable the magnetic head to float above the disk, brings the sector of the data to be accessed below the magnetic head, and shortens the waiting time as the rotating speed is higher, so that the rotating speed determines the reading speed of the hard disk to a great extent.

Furthermore, the capacitor can store or release charges, a certain amount of charges can be stored in the capacitor when the hard disk normally works, when tripping or forced shutdown of a computer and the like occur, the power supply is suddenly disconnected to cause current disappearance, at the moment, the capacitor can release charges along the circuit direction to form new current, the new current direction is the same as the original current direction, the hard disk can continue to work until the current ends, and the hard disk is prevented from being damaged due to violent friction between the magnetic head and the disk body.

The utility model has the technical effects and advantages that:

1. the utility model has the advantages that the voltage of the circuit in the hard disk is in a stable state by arranging the capacitor and the voltage stabilizing diode, when the voltage of the computer is unstable, the voltage stabilizing diode can be integrated into a stable output voltage, even if the power supply of the computer is suddenly disconnected, the hard disk still can work for a short time due to weak current formed by charges released by the capacitor, the hard disk is prevented from being damaged due to hard friction between the magnetic head and the disk, and the service life of the hard disk is prolonged.

2. The utility model reduces the volume of the fan by arranging the heat radiating device and the flexible material, thereby directly installing the heat radiating device into the hard disk, and compared with the installation of the fan in the outside, the heat radiating efficiency is greatly improved because the fan is directly contacted with the disk body, and meanwhile, because the flexible material is uniformly and fully filled around the heat radiating device, the flexible material absorbs a large amount of heat when the hard disk works, the heat transfer inside and outside the hard disk is accelerated, and the vibration generated when the heat radiating device rotates can be effectively lightened while the heat radiating efficiency is further improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is an exploded view of the structure of the disk device of the present utility model.

Fig. 3 is a schematic view of a heat dissipating device and a flexible material structure according to the present utility model.

Fig. 4 is an exploded view of the circuit device of the present utility model.

FIG. 5 is an exploded view of the capacitor and zener diode structure of the present utility model.

The reference numerals are: 1. a tray device; 101. a permanent magnet; 102. a head arm; 103. a magnetic head; 104. a voice coil motor; 105. a tray body; 106. a spindle motor; 2. a circuit arrangement; 201. an interface; 202. a circuit board; 203. a capacitor; 204. a zener diode; 231. a capacitor body; 232. a capacitor pin; 241. a diode body; 242. a diode pin; 3. a heat sink; 301. a motor; 302. a fan blade; 4. a flexible material; 5. a pressure balancing channel; 501. air filter paper.

Detailed Description

The embodiments of the present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which the configurations of the structures described in the following embodiments are shown by way of illustration only, and the hard disk according to the present utility model is not limited to the configurations described in the following embodiments, but all other embodiments obtained by one skilled in the art without making any inventive effort are within the scope of the present utility model.

Referring to fig. 1, the utility model provides a hard disk, comprising a disk body device 1, wherein a circuit device 2 is arranged at the bottom end of the disk body device 1, the disk body device 1 and the circuit device 2 are fixedly connected through a circuit line, a pressure balance channel 5 is arranged at the top end of the left side of the disk body device 1, air filter paper 501 is arranged in the pressure balance channel 5, the pressure balance channel 5 is used for balancing the air pressure inside and outside the hard disk, when the hard disk works, the temperature rises to cause the air pressure difference inside and outside the hard disk, electronic elements are easy to damage after long-time use, and the air filter paper 501 can effectively block dust in the air while penetrating the air;

referring to fig. 2, the disc device 1 includes a permanent magnet 101, the magnetic property of a magnetic head 103 is guaranteed not to weaken or disappear by the permanent magnet 101, a magnetic head arm 102 is installed in the middle of an arc surface on the right side of the permanent magnet 101, the magnetic head 103 is installed at one end of the magnetic head arm 102 far away from the permanent magnet 101, the magnetic head 103 is the most expensive component in a hard disc and is also the most important and critical ring in the hard disc technology for reading and writing data, a voice coil motor 104 is installed at the bottom end of the magnetic head arm 102, the magnetic head arm 102 is fixedly connected with the permanent magnet 101 through the voice coil motor 104, the voice coil motor 104 is a linear motor, the magnetic head arm 102 can be directly driven to do linear motion, a disc 105 is arranged below the magnetic head 103, the disc 105 is a data storage area of the hard disc, the storage capacity of the hard disc is increased by stacking a plurality of discs 105, and a spindle motor 106 is installed in the middle of the disc 105.

Referring to fig. 3 and 4, the circuit device 2 includes an interface 201, a hard disk is connected with a computer through the interface 201, a circuit board 202 is fixedly connected to one end of the interface 201, a plurality of control chips are mounted in the circuit board 202, and are information control areas of the hard disk, a capacitor 203 is mounted at one end of the circuit board 202, a zener diode 204 is mounted at one end of the circuit board 202 far away from the capacitor 203, the zener diode 204 can stabilize the voltage of the whole circuit, even if the current in the circuit varies within a large range, and the voltage across the zener diode 204 is basically stabilized near the breakdown voltage.

Referring to fig. 2, a heat dissipating device 3 is disposed at one end of the circuit device 2, the circuit device 2 and the heat dissipating device 3 are fixedly connected through a circuit line, the heat dissipating device 3 includes a motor 301, a plurality of fan blades 302 are circumferentially distributed on the outer wall of the motor 301, when the circuit is electrified, the motor 301 starts to drive the fan blades 302 to rotate, the heat dissipating work starts, flexible materials 4 are uniformly filled around the heat dissipating device 3, the flexible materials 4 are made of various materials, and the heat dissipating device has a good heat absorbing and shock absorbing effect, when the hard disk works for a long time, heat in the disk device 1 is absorbed by the flexible materials 4, the heat is transmitted to the outside through the heat dissipating device 3, and vibration generated when the heat dissipating device 3 works is also absorbed by the flexible materials 4.

Referring to fig. 5, the capacitor 203 includes a capacitor main body 231, a plurality of capacitor pins 232 are fixedly connected below the capacitor main body 231, the capacitor main body 231 is mounted at a correct position of a circuit to ensure that the capacitor 203 works normally, the zener diode 204 includes a diode main body 241, diode pins 242 are fixedly connected to left and right ends of the diode main body 241, and positive and negative poles are required to be distinguished during mounting, otherwise, the zener diode 204 cannot work normally.

Referring to fig. 1, the spindle motor 106 drives the disk 105 to rotate at a high speed, and generates buoyancy to float the magnetic head 103 above the disk, so that the sector to be accessed is brought under the magnetic head 103, and the higher the rotation speed is, the shorter the waiting time is, so that the rotation speed determines the reading speed of the hard disk to a great extent.

Referring to fig. 4, the capacitor 203 may store or release electric charges, and when the hard disk is in normal operation, a certain amount of electric charges will be stored in the capacitor 203, and when a trip or forced shutdown of the computer occurs, the power is suddenly disconnected to cause the current to disappear, at this time, the capacitor 203 will release electric charges along the circuit direction to form a new current, the new current direction is the same as the original current direction, the hard disk may continue to operate until the current ends, so as to prevent the hard disk from being damaged due to the hard disk being rubbed with the magnetic head 103.

The working principle of the utility model is as follows: when the hard disk is used, the hard disk is connected with a computer through the interface 201, current flows into the circuit board 202 from the interface 201, the hard disk starts to work, when current flows through the capacitor 203, partial charges are stored, when tripping or forced shutdown of the computer occurs, the power supply is suddenly disconnected to cause current disappearance, at this time, the capacitor 203 releases charges along the circuit direction to form new current, the new current direction is the same as the original current direction, the hard disk can continue to work until the current ends, the effect of hot plug of the hard disk can be achieved by adding a plurality of capacitors 203 connected in parallel, when the current flows through the voltage stabilizing diode 204, the voltage of the two ends is stabilized near breakdown voltage by the voltage stabilizing diode 204, the current flows into the heat dissipating device 3, the motor 301 starts to drive the fan blade 302 to rotate, the current flows into the disk device 1, the spindle motor 106 drives the disk 105 to rotate at a high speed, the buoyancy is generated to enable the magnetic head 103 to float above the disk, the sector of the data to be accessed to the magnetic head 103, and the hard disk normally works.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. A hard disk comprising a disk body arrangement (1), characterized in that: the circuit device (2) is installed to the bottom of disk body device (1), disk body device (1) and circuit device (2) pass through circuit line fixed connection, pressure balance channel (5) have been seted up on the left top of disk body device (1), air filter paper (501) have been placed to pressure balance channel (5) inside.

2. A hard disk according to claim 1, wherein: the disc device (1) comprises a permanent magnet (101), a magnetic head arm (102) is arranged at the middle position of the right arc surface of the permanent magnet (101), a magnetic head (103) is arranged at one end, far away from the permanent magnet (101), of the magnetic head arm (102), a voice coil motor (104) is arranged at the bottom end of the magnetic head arm (102), the magnetic head arm (102) is fixedly connected with the permanent magnet (101) through the voice coil motor (104), a disc body (105) is arranged below the magnetic head (103), and a spindle motor (106) is arranged in the middle of the disc body (105).

3. A hard disk according to claim 1, wherein: the circuit device (2) comprises an interface (201), one end of the interface (201) is fixedly connected with a circuit board (202), a plurality of control chips are assembled in the circuit board (202), a capacitor (203) is arranged at one end of the circuit board (202), and a zener diode (204) is arranged at one end, far away from the capacitor (203), of the circuit board (202).

4. A hard disk according to claim 1, wherein: one end of the circuit device (2) is provided with a heat dissipation device (3), the circuit device (2) is fixedly connected with the heat dissipation device (3) through a circuit line, the heat dissipation device (3) comprises a motor (301), a plurality of fan blades (302) are circumferentially distributed on the outer wall of the motor (301), and flexible materials (4) are uniformly filled around the heat dissipation device (3).

5. A hard disk according to claim 3, wherein: the capacitor (203) comprises a capacitor main body (231), a plurality of capacitor pins (232) are fixedly connected below the capacitor main body (231), the voltage-stabilizing diode (204) comprises a diode main body (241), and diode pins (242) are fixedly connected at the left end and the right end of the diode main body (241).

6. A hard disk according to claim 2, wherein: the spindle motor (106) drives the disk body (105) to rotate at a high speed, generates buoyancy to enable the magnetic head (103) to float above the disk, brings a sector of data to be accessed below the magnetic head (103), and shortens the waiting time as the rotating speed is higher, so that the rotating speed determines the reading speed of the hard disk to a great extent.

7. A hard disk as recited in claim 5, wherein: the capacitor (203) can store or release charges, a certain amount of charges can be stored in the capacitor (203) when the hard disk works normally, when tripping or forced shutdown of a computer and the like occur, the power supply is suddenly disconnected to cause current disappearance, at the moment, the capacitor (203) can release charges along the circuit direction to form new current, the new current direction is the same as the original current direction, the hard disk can continue to work until the current ends, and the hard disk is prevented from being damaged due to violent friction between the magnetic head (103) and the disk body (105).