CN1941155A - Cover member with air guiding portion and hard disk drive including the cover member - Google Patents
Cover member with air guiding portion and hard disk drive including the cover member Download PDFInfo
- Publication number
- CN1941155A CN1941155A CNA200610142235XA CN200610142235A CN1941155A CN 1941155 A CN1941155 A CN 1941155A CN A200610142235X A CNA200610142235X A CN A200610142235XA CN 200610142235 A CN200610142235 A CN 200610142235A CN 1941155 A CN1941155 A CN 1941155A
- Authority
- CN
- China
- Prior art keywords
- guiding portion
- air guiding
- data storage
- covering member
- storage disk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
- G11B33/1446—Reducing contamination, e.g. by dust, debris
- G11B33/146—Reducing contamination, e.g. by dust, debris constructional details of filters
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
- G11B33/027—Covers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2508—Magnetic discs
- G11B2220/2516—Hard disks
Landscapes
- Moving Of Heads (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
Abstract
A cover member including an air guiding portion and an HDD including the cover member are provided. The HDD includes: a housing including a base member and a cover member; a spindle motor installed on the base member; a data storage disk mounted on the spindle motor; and an actuator rotatably installed on the base member, and including a read/write head for recording data onto the disk or reproducing data recorded on the disk. The cover member includes an air guiding portion protruding from a bottom surface of the cover member toward a surface of a data storage disk to guide an air flow generated by a rotation of the disk to the outside of the disk, and the air guiding portion has a width that changes along a rotating direction of the disk. Therefore, the air flow generated by the rotation of the disk can be guided outside of the disk by the air guiding portion formed on the cover member, and the air flows fast, and thus, the particles on the disk can be discharged outside of the disk efficiently.
Description
Technical field
The present invention relates to a kind of hard disk drive, more particularly, relate to and a kind ofly have the covering member that the air-flow that is used for around will dish is directed to dish air outside guide portion, and the hard disk drive that comprises described covering member.
Background technology
One of information storing device of computing machine, hard disk drive (HDD) is used to by using the data of storing in the W head reproduction dish or data being recorded on the dish.
Traditional HDD comprises the shell with substructure member and covering member, be installed in the spindle drive motor on the substructure member, be fixedly mounted on the one or more data storage disks on the spindle drive motor, and will be used to reproduce/W head of record data moves to the actuator in the precalculated position of dish.By this actuator, W head is moved to preposition, and floats on the predetermined altitude of distance rotating disc recording surface.
In having the HDD of above structure, when disc spins, air portion in the enclosure flows.Air-flow portion's circulation in the enclosure, thus the particle in the shell is filtered along with the moving air circulation and by the filtrator that is installed in the enclosure precalculated position.
In the HDD of 3.5 inches of routine or 2.5 inches, the diameter of dish is big, and the rotational speed height of dish; Be about 5,400 rev/mins or 7,200 rev/mins, thereby because the rotation of dish is flowed air fully.
Yet in little and thin miniaturization (SFF) HDD, the diameter of dish is little, promptly 1 inch or littler, and rotational speed is slow, and about 3,600 rev/mins.Therefore, owing to the air-flow that produces of rotation of dish is not enough, therefore the particle on the dish can not be by discharge dish like a cork.Like this, particle may be bonded on the panel surface, thereby damages the data of above-noted, perhaps may adhere on the W head, thereby the performance of W head is reduced.In addition, particle may and damage magnetic head with the W head collision.
Summary of the invention
The invention provides a kind of HDD that has the covering member of air guiding portion and comprise described covering member, wherein, it is outside that described air guiding portion will be directed to dish owing to the air-flow that disc spins produces, thereby particle is removed effectively from dish.
According to an aspect of the present invention, a kind of covering member that is used for hard disk drive is provided, described covering member comprises: from the bottom end surface of covering member to the outstanding air guiding portion in the surface of data storage disk, its air-flow that will produce owing to the rotation of data storage disk is directed to the data storage disk outside, and wherein this air guiding portion has the width that changes along the sense of rotation of data storage disk.
The width of air guiding portion can increase towards the downstream end of discharging air gradually from the end, upstream that air is conducted through air guiding portion wherein.
The interior week of air guiding portion can be that the rotation center with data storage disk forms with one heart, and the periphery of air guiding portion can form and has the radius that the sense of rotation from the rotation center of data storage disk along data storage disk increases gradually.
The interior week of air guiding portion can be adjacent with the periphery of the spindle drive motor that is used to make the data storage disc spins.
The end, upstream of air guiding portion can tilt with respect to the direction of air flow.
Air guiding portion can with the covering member monolithic molding.When carrying out pressing process, can form this air guiding portion with the formation covering member.
According to another aspect of the present invention, provide a kind of hard disk drive (HDD), it comprises: the shell with substructure member and covering member; Be installed in the spindle drive motor on the substructure member; Be installed at least one data storage disk on the spindle drive motor; And be rotatably installed in actuator on the substructure member, it comprises the W head that is used in the data of data storage disk identifying recording layer or reproduction data storage disc recording, wherein this covering member comprises the air guiding portion of giving prominence to the surface of data storage disk from the bottom end surface of covering member, its air-flow that will produce owing to the rotation of data storage disk is directed to the outside of data storage disk, and this air guiding portion has the width that changes along the sense of rotation of data storage disk.
The width of air guiding portion can increase towards the downstream end of discharging air gradually from the upstream end of air by the air guiding portion that wherein is directed.
Aforesaid HDD, wherein the interior week of air guiding portion and the rotation center of data storage disk form with one heart, and the periphery of air guiding portion can form and has the radius that the sense of rotation from the rotation center of data storage disk along data storage disk increases gradually.
Described HDD can also comprise: the downstream end installed filters of adjacent air guiding portion, and to collect airborne particle through this air guiding portion.
Filtrator can comprise suction strainer, and it is arranged on the lower surface of covering member, and is positioned at the front of the downstream end of air guiding portion.
Suction strainer can be arranged on the recirculating filter on the substructure member, and is positioned at the front of the downstream end of air guiding portion.
Description of drawings
Above-mentioned and other characteristic of the present invention and advantage will become more obvious by being described in detail with reference to the attached drawings one exemplary embodiment, in the described accompanying drawing:
Fig. 1 is the decomposition diagram of the HDD with covering member of one exemplary embodiment according to the present invention;
Fig. 2 is the skeleton view of the lower surface of covering member among Fig. 1;
Fig. 3 is the planimetric map that is used for illustrating the operation of Fig. 1 air guiding portion; And
Fig. 4 is the fragmentary, perspective view with the substructure member described in Fig. 1 of another filtrator.
Embodiment
Fig. 1 is the decomposition diagram according to the HDD that comprises covering member of one exemplary embodiment of the present invention, and Fig. 2 is the skeleton view of the lower surface of covering member among Fig. 1, and Fig. 3 is the planimetric map that is used for illustrating the operation of Fig. 1 air guiding portion.
Referring to Fig. 1, HDD according to the present invention comprises: have the shell 110 of substructure member 111 and covering member 112, be installed in the spindle drive motor 130 in the shell 110, data storage disk 120 and the actuator 140 with W head.
The printed circuit board (PCB) 160 that is used to drive HDD can be connected to the lower surface of substructure member 111, and a plurality of circuit arrangement 162 is installed on the printed circuit board (PCB) 160.
One or more dishes 120 are installed on the spindle drive motor 130 as data storage medium.Spindle drive motor 130 is installed on the substructure member 111 so that coil 120 rotations.
Actuator 140 moves the W head in dish 120 identifying recording layers or the data that reproduction is write down on the precalculated position of dish 120, and is rotatably installed on the substructure member 111.In more detail, actuator 140 comprises: swing arm 142, its rotatably be installed in substructure member 111 on actuator pivot 141 be connected; Suspension 143, slide block 144 is departed from the surface direction towards dish 120 in its end that is connected to swing arm 142, and wherein, W head is installed in this above slide block 144; And voice coil motor (VCM) 146, it is used to make swing arm 142 rotations.VCM 146 comprises: be connected to the VCM coil 147 of the other end of swing arm 142, and the magnet 148 of facing VCM coil 147.
VCM 146 is by servo-control system control, and the reciprocation between the magnetic field of the electric current by being input to VCM coil 147 and magnet 148 formation, rotary oscillation arm 142 on according to the direction of Fleming left-hand rule.That is, when dish 120 beginning arrow D represents in Fig. 1 directions rotations, VCM 146 is rotary oscillation arm 142 on predetermined direction, can move on the data recording surface of dish 120 so that the slide block 144 of W head is installed on it.The lift that generates by rotating disc 120, slide block 144 floats on the predetermined altitude on range hadn wheel 120 surfaces, and in this state, the W head on the slide block 144 reproduces data from coiling 120 data recording surface, or at the data recording surface identifying recording layer of dish 120.On the contrary, when HDD did not turn round, promptly when dish 120 when not rotating, VCM 146 reverse rotation swing arms 142 can separate from coiling 120 data recording surface so that the slide block 144 of W head is installed on it.
By a plurality of connecting screws 119, covering member 112 is connected to the top of substructure member 111, with protective disc 120, spindle drive motor 130 and actuator 140.Covering member 112 is generally formed by stainless steel or aluminium, but is not limited to this.For example, covering member 112 can be made by the compacting corrosion resistant plate.
Referring to Fig. 1 to 3, covering member 112 comprises and is used for and will coils 120 air outside guide portion 114 because the air-flow that dish 120 rotations produce is directed to.Air guiding portion 114 is set on the lower surface of covering member 112 surface with respective disc 120, and outstanding to dish 120 from the lower surface of covering member 112.In more detail, air guiding portion 114 extends along the sense of rotation (D) of dish 120, and roughly forms circular arc.More particularly, the width of air guiding portion 114 (W) changes along the sense of rotation (D) of dish 120.That is, the width W of air guiding portion 114 increases towards the downstream end 114b that discharges air by end, the upstream 114a that wherein is directed gradually from air.
In more detail, the periphery of interior all 114c of air guiding portion 114 and spindle drive motor 130 is separated setting within a predetermined distance.That is, interior all 114c of air guiding portion 114 form with one heart with the rotation center of dish 120.Interior all 114c of air guiding portion 114 can be as much as possible near the periphery of spindle drive motor 130.The periphery 114d of air guiding portion 114 can form to have from coiling the radius that 120 rotation center increases gradually along the sense of rotation of dish 120.Therefore, along dish 120 sense of rotation D, the distance between the periphery 114d of the external margin of dish 120 and air guiding portion 114 becomes more and more littler.
In addition, end, the upstream 114a of air guiding portion 114 tilts with respect to the direction (F) of air-flow, with towards the abundant steering current of periphery 114d.
Yet air guiding portion 114 is not limited to above example, and can be attached to covering member 112 lower surface and as additional member.
The operation of air guiding portion 114 is described hereinafter with reference to Fig. 3.
When spindle drive motor 130 beginning when the direction D of air-flow (F) go up rotating disc 120, on the direction identical, produced air-flow (F) with the sense of rotation D of dish 120.Air-flow F is by the periphery 114d of end, the upstream 114a of the inclination of air guiding portion 114 guiding towards air guiding portion 114.In addition, along dish 120 sense of rotation D, air flows between the sidewall of the periphery 114d of air guiding portion 114 and substructure member 111.Because along dish 120 sense of rotation, become more and more narrow at the periphery 114d of air guiding portion 114 and the distance of coiling between 120 the external margin, air is directed to the outside of dish 120 gradually.In addition, because towards the downstream end 114b of air guiding portion 114, the distance between the sidewall of the periphery 114d of air guiding portion 114 and substructure member 111 becomes more and more narrow, and it is experienced more fast more that this air-flow F becomes.Therefore, utilize air-flow F, the particle of dish on 120 can be discharged to dish 120 outsides effectively, thus avoid since particle cause to coil 120 and the damage of W head and coil 120 with the reduction of W head performance.
In addition, covering member 112 may further include the filtrator 116 adjacent with the downstream end 114b of air guiding portion 114.More particularly, filtrator 116 can be a suction strainer, and it can be attached the lower surface at covering member 112, so that be positioned at the front portion of the downstream end 114b of air guiding portion 114.Therefore, utilize moving air and the particle of discharge dish 120 can be absorbed filtrator 116 effectively and collects.
Fig. 4 is the fragmentary, perspective view with substructure member 111 of another filtrator.
Referring to Fig. 4, recirculating filter 118 can be installed on the substructure member 111 of HDD, filters the particle of discharge dish 120 to utilize moving air.Recirculating filter 118 is positioned at the front than end portion 114b of air guiding portion 114, and can be supported by the filtrator folder 117 that is fixedly mounted on the substructure member 111.
In addition, can use recirculating filter 118, the suction strainer 116 in the alternate figures 1 to 3 perhaps uses with suction strainer 116.
As mentioned above, according to the present invention, the air-flow that is produced by the rotation of dish can be directed into dish by the air guiding portion that is provided with on covering member outside, and air-flow faster than in the correlation technique.Therefore, the particle on the dish can be by discharge dish effectively, thus can avoid since particle cause to dish and the damage of W head and the reduction of dish and W head performance.
In addition, the filtrator of the downstream end by being installed in the air guide member that forms on the contiguous covering member, the particle of discharge dish can be collected effectively.
Though be shown specifically and described the present invention with reference to one exemplary embodiment, those skilled in the art are to be understood that: under the situation that does not break away from the spirit and scope of the present invention that are defined by the following claims, can form and details are made various variations.
CROSS-REFERENCE TO RELATED PATENT
The application requires on September 1st, 2005 at the korean patent application No.10-2005-0081319 of Korean Patent office submission and the U.S. Provisional Application No.60/712 that submitted in United States Patent (USP) trademark office on September 1st, 2005,855 right of priority, its overall description are drawn at this and are reference.
Claims (20)
1, a kind of covering member that is used for hard disk drive, described covering member comprises:
From the air guiding portion that the lower surface of described covering member is given prominence to the surface of data storage disk, its air-flow that will produce owing to the rotation of data storage disk is directed to the data storage disk outside,
Wherein, air guiding portion has the width that changes along the sense of rotation of data storage disk.
2, covering member as claimed in claim 1, wherein, the width of described air guiding portion is conducted through air guiding portion wherein from air end, upstream increases gradually towards the downstream end of discharging air.
3, covering member as claimed in claim 2, wherein, the interior week of described air guiding portion and the rotation center of data storage disk form with one heart, and the peripheral shape of air guiding portion becomes and has the radius that the sense of rotation from the rotation center of data storage disk along data storage disk increases gradually.
4, covering member as claimed in claim 3, wherein, the interior week of described air guiding portion is adjacent with the periphery of the spindle drive motor that is used to make the data storage disc spins.
5, described covering member as claimed in claim 2, wherein, the end, upstream of described air guiding portion tilts with respect to the direction of air flow.
6, covering member as claimed in claim 1, wherein, described air guiding portion and covering member monolithic molding.
7, covering member as claimed in claim 6 wherein, when carrying out pressing process with the formation covering member, has formed described air guiding portion.
8, covering member as claimed in claim 1, wherein, in the front of the downstream end of air guiding portion, filtrator is attached the lower surface at covering member, to be collected in the particle in the moving air.
9, covering member as claimed in claim 8, wherein, described filtrator comprises suction strainer.
10, a kind of hard disk drive comprises:
The shell that comprises substructure member and covering member;
Be installed in the spindle drive motor on the substructure member;
Be installed at least one data storage disk on the spindle drive motor; And
Be rotatably installed in the actuator on the substructure member, it comprises and being used for data recording to data storage disk or be used to reproduce the W head of the data of data storage disc recording,
Wherein, described covering member comprises the air guiding portion of giving prominence to the surface of data storage disk from the lower surface of covering member, its air-flow that will produce owing to the rotation of data storage disk is directed to the outside of data storage disk, and described air guiding portion has the width that changes along the sense of rotation of data storage disk.
11, hard disk drive as claimed in claim 10, wherein, the width of described air guiding portion is conducted through air guiding portion wherein from air end, upstream increases gradually towards the downstream end of discharging air.
12, hard disk drive as claimed in claim 11, wherein, the interior week of described air guiding portion and the rotation center of data storage disk form with one heart, and the periphery of air guiding portion can form and has the radius that the sense of rotation from the rotation center of data storage disk along data storage disk increases gradually.
13, described hard disk drive as claimed in claim 12, wherein, the interior week of described air guiding portion is adjacent with the periphery of the spindle drive motor that is used for the spin data memory disc.
14, hard disk drive as claimed in claim 11, wherein, the end, upstream of described air guiding portion is with respect to the direction of air flow and tilt.
15, described hard disk drive as claimed in claim 10, wherein, described air guiding portion and covering member monolithic molding.
16, hard disk drive as claimed in claim 15 wherein, when carrying out pressing process with the formation covering member, forms described air guiding portion.
17, hard disk drive as claimed in claim 10 wherein, also comprises:
The filtrator that the downstream end of adjacent air guiding portion is provided with, it is in order to collect the airborne particle through air guiding portion.
18, hard disk drive as claimed in claim 17, wherein, described filtrator comprises the suction strainer of the lower surface that is arranged on covering member, it is positioned at the front of the downstream end of air guiding portion.
19, hard disk drive as claimed in claim 17, wherein, described suction strainer comprises the recirculating filter that is arranged on the substructure member, it is positioned at the front of the downstream end of air guiding portion.
20, hard disk drive as claimed in claim 10, wherein, described data storage disk has 1 inch or littler diameter.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71285505P | 2005-09-01 | 2005-09-01 | |
| KR81319/05 | 2005-09-01 | ||
| US60/712,855 | 2005-09-01 | ||
| KR1020050081319A KR100660877B1 (en) | 2005-09-01 | 2005-09-01 | Cover member with air induction portion and hard disk drive having the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1941155A true CN1941155A (en) | 2007-04-04 |
| CN1941155B CN1941155B (en) | 2010-09-29 |
Family
ID=37815380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610142235XA Expired - Fee Related CN1941155B (en) | 2005-09-01 | 2006-09-01 | Cover member with air guiding portion and hard disk drive including the cover member |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100660877B1 (en) |
| CN (1) | CN1941155B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103286A (en) * | 2013-04-08 | 2014-10-15 | Hgst荷兰有限公司 | Hard disk drive bypass channel having a close-sided voice coil motor |
| CN114730581A (en) * | 2020-06-30 | 2022-07-08 | 西部数据技术公司 | Multi-volume chambered acoustic attenuator for data storage system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04106781A (en) * | 1990-08-27 | 1992-04-08 | Nec Ibaraki Ltd | Magnetic disk device |
| JPH04358389A (en) * | 1991-06-05 | 1992-12-11 | Mitsubishi Electric Corp | Magnetic disk device |
| JP3991390B2 (en) * | 1997-05-30 | 2007-10-17 | 富士通株式会社 | Storage device |
| KR100459713B1 (en) | 2002-05-03 | 2004-12-03 | 삼성전자주식회사 | Filtering apparatus for hard disk drive |
| KR20040021322A (en) * | 2002-09-03 | 2004-03-10 | 삼성전자주식회사 | Optical disc drive |
| US7158342B2 (en) * | 2003-08-20 | 2007-01-02 | Hitachi Global Storage Technologies Netherlands Bv | Hard disk drive with aerodynamic diffuser, contraction, and fairing for disk base and re-acceleration drag reduction |
| KR100564612B1 (en) * | 2004-02-19 | 2006-03-28 | 삼성전자주식회사 | Hard Disc Drive |
-
2005
- 2005-09-01 KR KR1020050081319A patent/KR100660877B1/en not_active IP Right Cessation
-
2006
- 2006-09-01 CN CN200610142235XA patent/CN1941155B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103286A (en) * | 2013-04-08 | 2014-10-15 | Hgst荷兰有限公司 | Hard disk drive bypass channel having a close-sided voice coil motor |
| CN114730581A (en) * | 2020-06-30 | 2022-07-08 | 西部数据技术公司 | Multi-volume chambered acoustic attenuator for data storage system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1941155B (en) | 2010-09-29 |
| KR100660877B1 (en) | 2006-12-26 |
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