CN103151060B - Hard disk and there is its server - Google Patents
Hard disk and there is its server Download PDFInfo
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- CN103151060B CN103151060B CN201310061940.7A CN201310061940A CN103151060B CN 103151060 B CN103151060 B CN 103151060B CN 201310061940 A CN201310061940 A CN 201310061940A CN 103151060 B CN103151060 B CN 103151060B
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- cage
- hard disk
- circuit board
- housing
- control circuit
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Abstract
The invention discloses a kind of hard disk and have its server, wherein this hard disk comprises: housing; Dish core assembly, described dish core assembly is located in described housing; Cage, described cage is located at the outside of described housing and limits airtight separate cavities between described housing and described cage; And control circuit board, described control circuit board to be located in described separate cavities and to be connected with described dish core assembly.According to hard disk of the present invention, by arranging cage, thus control circuit board and extraneous air can be kept apart, control circuit board is avoided directly to contact with extraneous air, and then avoid external environment condition to the corrosion of control circuit board and pollution, improve the bulk life time of hard disk and the ability of adverse environment resistant, simultaneously can not Damage Coutrol circuit board.
Description
Technical field
The present invention relates to data center's technical field, especially relate to a kind of hard disk and there is its server.
Background technology
Along with the constantly soaring of energy cost and people are to the attention of environmental protection, impel data center's energy saving requirement more and more stronger.Under the prerequisite ensureing data center machine room information technoloy equipment safety, high-performance operation, improve data center operations temperature, use outdoor natural wind to become new energy saving direction to the heat radiation of the information technoloy equipment of data center, but contamination particle in outdoor air, nitride, sulfide can increase the corrosion of equipment.If think directly to use outdoor new wind, the information technoloy equipment of data center inside must possess the ability of higher adverse environment resistant.Hard disk, as high failure rate parts easily vulnerable in information technoloy equipment, is easily subject to the damage of harmful gas in air.Have recently emerged the small-scale data center using outdoor air to dispel the heat to information technoloy equipment, but usually can select in the good region of air quality, but still depositing harmful gas in atmosphere, to the situation of equipment corrosion, causes the critical component crash rates such as hard disk higher.
For large-scale data center, if outdoor air will be used to freeze, air just will can enter data center machine room through multiprogrammings such as dedusting, removing and harmful gas, humidity adjustment, needs to regularly replace chemical agent.This mode maintenance cost is higher, and humidity adjustment also consumes water resource and the energy.
The control circuit board of the hard disk in traditional server is all the lower surface being arranged on housing, conveniently dispel the heat, it directly leaks in extraneous air cruelly, not any safeguard procedures in addition, after long-time sudden and violent leakage in atmosphere, control circuit board can be subject to the corrosion of oxides of nitrogen, reduces the life-span of control circuit board, very easily be short-circuited phenomenon simultaneously, there is disaster hidden-trouble.
Summary of the invention
The present invention is intended at least to solve one of technical matters existed in prior art.
For this reason, one object of the present invention is to propose a kind of hard disk, and the control circuit board of this hard disk is not directly exposed in extraneous air, improves the life-span of control circuit board, prevents the objectionable impurities corrosion control circuit board in air.
Another object of the present invention is to propose a kind of server with above-mentioned hard disk.
According to an aspect of the present invention, propose a kind of hard disk, comprising: housing; Dish core assembly, described dish core assembly is located in described housing; Cage, described cage is located at the outside of described housing and limits separate cavities between described housing and described cage; And control circuit board, described control circuit board to be located in described separate cavities and to be connected with described dish core assembly.
According to hard disk of the present invention, by arranging cage, thus control circuit board and extraneous air can be kept apart, control circuit board is avoided directly to contact with extraneous air, and then avoid external environment condition to the corrosion of control circuit board and pollution, improve the bulk life time of hard disk and the ability of adverse environment resistant, simultaneously can not Damage Coutrol circuit board.
In addition, according to hard disk of the present invention, following additional technical feature can also be had:
In some embodiments of the invention, described cage is formed as the cuboid of open upper end, and described cage is located on the lower surface of described housing.
In some embodiments of the invention, described cage is fixing on the housing by double sticky tape.The fixed form of employing double sticky tape can be cost-saving, and be convenient to fix.
In some embodiments of the invention, described cage is on the housing fastening by securing member.
In some embodiments of the invention, O-ring seal is provided with between described cage and described housing.By arranging O-ring seal, can prevent air, moisture, dust etc. from entering in separate cavities from the gap between cage and housing, thus further increasing the isolation effect of cage, avoid control circuit board wherein contaminated or corrosion.
In some embodiments of the invention, described hard disk also comprises the heat conductive pad of electrical isolation, and described heat conductive pad is located in described separate cavities, and the both side surface in the thickness direction thereof of described heat conductive pad contacts with the wall of described control circuit board with described cage respectively.
Then the wall such as diapire that the heat produced during the work of such control circuit board just can be passed to cage by heat conductive pad outwards sheds, and heat conductive pad is electrical isolation, can not affect the normal work of control circuit board, avoid the phenomenon etc. that is short-circuited.
In some embodiments of the invention, the thickness of described heat conductive pad is slightly larger than the distance between described control circuit board and the described wall of described cage.
In some embodiments of the invention, described heat conductive pad is silicagel pad.Because silicon rubber absorption property is high, Heat stability is good, stable chemical nature, there is higher physical strength, therefore the heat conductive pad that silica gel is made is adopted, when not only can better control circuit board be worked produce heat guiding cage wall and externally shed from this wall, and the life-span is long, can use for a long time.
In some embodiments of the invention, the outside surface of described cage is provided with radiating fin.Thus, heat-conducting effect is increased further.
In some embodiments of the invention, described radiating fin is located in the outside wall surface of described wall of described cage.
In some embodiments of the invention, the outside wall surface of the described wall of described cage forms waveform.Can cooling surface area be increased like this, improve radiating effect.
In some embodiments of the invention, multiple conducting strip is provided with between the internal face of the diapire of described cage and the lower surface of described housing.
According to the another aspect of invention, propose a kind of server, comprise the hard disk above-mentioned according to the present invention.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram of hard disk according to an embodiment of the invention;
Fig. 2 is the schematic diagram of hard disk in accordance with another embodiment of the present invention.
Description of reference numerals:
Hard disk 100;
Housing 1;
Cage 2, separate cavities 21;
Control circuit board 3;
Heat conductive pad 4;
Radiating fin 5;
Conducting strip 6.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Below with reference to Fig. 1-Fig. 2, the hard disk 100 according to the embodiment of the present invention is described.
Hard disk 100 according to an embodiment of the invention, comprises housing 1, dish core assembly, cage 2 and control circuit board 3.
As shown in Figure 1, housing 1 can be formed as cuboid, and the antetheca of housing 1 can be provided with multiple fresh air inlet, and rear wall can be provided with multiple air outlet opening, cooling air can enter in housing 1 from air inlet, can flow out after the critical piece cooling in housing 1 from air outlet opening.
Dish core assembly (scheme not shown) is located in housing 1, is understandable that, dish core assembly, no longer describes in detail here for prior art known by those skilled in the art.
As shown in Figure 1, cage 2 is located at the outside of housing 1 and between housing 1 and cage 2, limits airtight separate cavities 21, that is, separate cavities 21 is jointly limited by a part of outside surface of cage 2 and housing 1, and such as separate cavities 21 can be limited by the outside surface of cage 2 with the lower surface of housing 1 and the diapire of housing 1.
As shown in Figure 1, control circuit board 3 to be located in separate cavities 21 and to be connected with dish core assembly, such as control circuit board 3 is connected with the dish core assembly in housing 1 by electric wire, as offered wire guide on the diapire of housing 1, electric wire through this wire guide to extend in housing 1 and to be connected with dish core assembly.
It should be noted that, in superincumbent description, separate cavities 21 airtight should make broad understanding, because absolute airtight be impossible, and owing to offering wire guide, therefore separate cavities 21 communicates at least to a certain extent with the inner space of housing 1, therefore separate cavities 21 is airtight can be understood as, owing to being provided with cage 2, control circuit board 3 can be kept apart with extraneous air well, namely control circuit board 3 is not directly exposed in extraneous air.
According to the hard disk 100 of the embodiment of the present invention, by arranging cage 2, thus control circuit board 3 and extraneous air can be kept apart, control circuit board 3 is avoided directly to contact with extraneous air, and then avoid external environment condition to the corrosion of control circuit board 3 and pollution, improve the bulk life time of hard disk 100 and the ability of adverse environment resistant, simultaneously can not Damage Coutrol circuit board 3.
As depicted in figs. 1 and 2, in some embodiments of the invention, cage 2 can be formed as the cuboid of open upper end, and cage 2 is located on the lower surface of housing 1.
In one embodiment of the invention, cage 2 is fixed on housing 1 by double sticky tape, and such as cage 2 passes through in last week along place's sticking two-faced adhesive tape band, thus is pasted onto on the lower surface of housing 1.The fixed form of employing double sticky tape can be cost-saving, and be convenient to fix.
Certainly, the present invention is not limited thereto, in another embodiment of the present invention, cage 2 is fastened on housing 1 by securing member, and such as cage 2 passes through multiple screw fastening on housing 1.Screw fixation method is adopted to improve constant intensity.Further, O-ring seal (scheming not shown) is provided with between cage 2 and housing 1, such as rubber seal.By arranging O-ring seal, can prevent air, moisture, dust etc. from entering in separate cavities 21 from the gap between cage 2 and housing 1, thus further increasing the isolation effect of cage 2, avoid control circuit board 3 wherein contaminated or corrosion.
Because the present invention is by arranging cage 2 thus limit an airtight separate cavities 21 between cage 2 and housing 1, control circuit board 3 is arranged in this separate cavities 21 can isolate with extraneous air, but because separate cavities 21 is airtight, therefore can affect the heat radiation of control circuit board 3, the too high and problem damaged of control circuit board 3 temperature easily occurs after time long-time.
In view of this, preferably, in some embodiments of the invention, as depicted in figs. 1 and 2, hard disk 100 also comprises the heat conductive pad 4 of electrical isolation, and heat conductive pad 4 is located in separate cavities 21, and the both side surface in the thickness direction thereof of heat conductive pad 4 contacts with the wall of control circuit board 3 with cage 2 respectively.
Such as in the example of fig. 1, the upper surface of heat conductive pad 4 is close to the lower surface of control circuit board 3, the lower surface of heat conductive pad 4 is close to the internal face of the diapire of cage 2, then the wall such as diapire that the heat produced when such control circuit board 3 works just can be passed to cage 2 by heat conductive pad 4 outwards sheds, and heat conductive pad 4 is electrical isolations, the normal work of control circuit board 3 can not be affected, avoid the phenomenon etc. that is short-circuited.
Preferably, heat conductive pad 4 is silicagel pad.Because silicon rubber absorption property is high, Heat stability is good, stable chemical nature, there is higher physical strength, therefore the heat conductive pad 4 that silica gel is made is adopted, when not only can better control circuit board 3 be worked produce heat guiding cage 2 wall and externally shed from this wall, and the life-span is long, can use for a long time.
More preferably, the thickness of this silicagel pad is slightly larger than the distance between control circuit board 3 and the described wall of cage 2, in other words, silicagel pad is interference fitted between control circuit board 3 and the described wall of cage 2, the Contact that can ensure the wall of silicagel pad and control circuit board 3 and cage 2 is like this more tight, thus is more conducive to control circuit board 3 and dispels the heat.
Certainly, be understandable that, the present invention is not limited thereto, can heat conduction and the material of electrical isolation for other, be also suitable for the material doing to form heat conductive pad 4, its gauge is also preferred slightly larger than the distance between described control circuit board 3 and the described wall of described cage 2.
As depicted in figs. 1 and 2, in order to increase heat-conducting effect further, the heat produced when avoiding control circuit board 3 to work can not shed in time, the outside surface of cage 2 is provided with radiating fin 5, further, radiating fin 5 is located in the outside wall surface of described wall of cage 2, and such as radiating fin 5 is arranged in the outside wall surface of the diapire of cage 2, and radiating fin 5 is preferably multiple and can be evenly distributed in the longitudinal direction on this diapire.The setting direction of radiating fin 5 can be direction as shown in Figures 1 and 2.Certainly, the setting direction of radiating fin 5 also can be perpendicular to the direction in Fig. 1 and Fig. 2 example.
By arranging radiating fin 5, coordinate heat conductive pad 4 simultaneously, thus the heat produced when can be worked by control circuit board 3 better sheds, the heat avoiding control circuit board 3 to produce is assembled in a large number to dissipate effectively, in time and is caused control circuit board 3 temperature too high and damage, and improves the life-span of control circuit board 3.
Certainly, the present invention is not limited thereto, in other embodiments of the present invention, the outside wall surface of the described wall of cage 2 also can form waveform (scheming not shown), and namely the outside wall surface of the wall contacted with heat conductive pad 4 of cage 2 is formed as waveform, can increase cooling surface area like this, improve radiating effect, for the internal face of this wall, be then preferably plane, convenient like this and heat conductive pad 4 plane-plane contact transferring heat.
As shown in Figure 2, in another embodiment of the present invention, multiple conducting strip 6 is provided with between the internal face of the diapire of cage 2 and the lower surface of housing 1, the heat that housing 1 part being positioned at cage 2 inside sheds can be passed to cage 2 by which better conducting strip 6 like this, more outwards shed from cage 2.Conducting strip 6 can be sheet metal, such as aluminium flake, multiple conducting strip 6 can be evenly distributed between the internal face of the diapire of cage 2 and the lower surface of housing 1, thus increases radiating effect, and the heat avoiding this part housing 1 to produce can not shed effectively in time and affect the temperature in separate cavities 21.
The server of embodiment according to a further aspect of the invention, comprises the hard disk 100 according to describing in the above embodiment of the present invention.
It should be noted that, according to other formation of the server of the embodiment of the present invention, such as mainboard, radiator fan etc. all for prior art, namely can be arranged according to existing mode completely, describe in detail no longer one by one here known by those skilled in the art.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (11)
1. a hard disk, is characterized in that, comprising:
Housing;
Dish core assembly, described dish core assembly is located in described housing;
Cage, described cage is located at the outside of described housing and limits airtight separate cavities between described housing and described cage, and described cage is fixing on the housing or on the housing fastening by securing member by double sticky tape; And
Control circuit board, described control circuit board to be located in described separate cavities and to be connected with described dish core assembly.
2. hard disk according to claim 1, is characterized in that, described cage is formed as the cuboid of open upper end, and described cage is located on the lower surface of described housing.
3. hard disk according to claim 1, is characterized in that, is provided with O-ring seal between described cage and described housing.
4. hard disk according to claim 1, it is characterized in that, also comprise the heat conductive pad of electrical isolation, described heat conductive pad is located in described separate cavities, and the both side surface in the thickness direction thereof of described heat conductive pad contacts with the wall of described control circuit board with described cage respectively.
5. hard disk according to claim 4, is characterized in that, the thickness of described heat conductive pad is slightly larger than the distance between described control circuit board and the described wall of described cage.
6. hard disk according to claim 4, is characterized in that, described heat conductive pad is silicagel pad.
7. hard disk according to claim 4, is characterized in that, the outside surface of described cage is provided with radiating fin.
8. hard disk according to claim 7, is characterized in that, described radiating fin is located in the outside wall surface of described wall of described cage.
9. hard disk according to claim 4, is characterized in that, the outside wall surface of the described wall of described cage forms waveform.
10. hard disk according to claim 2, is characterized in that, is provided with multiple conducting strip between the internal face of the diapire of described cage and the lower surface of described housing.
11. 1 kinds of servers, is characterized in that, comprise the hard disk according to any one of claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061940.7A CN103151060B (en) | 2013-02-27 | 2013-02-27 | Hard disk and there is its server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061940.7A CN103151060B (en) | 2013-02-27 | 2013-02-27 | Hard disk and there is its server |
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| Publication Number | Publication Date |
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| CN103151060A CN103151060A (en) | 2013-06-12 |
| CN103151060B true CN103151060B (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310061940.7A Active CN103151060B (en) | 2013-02-27 | 2013-02-27 | Hard disk and there is its server |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122959B (en) * | 2014-07-25 | 2018-03-30 | 深圳绿色云图科技有限公司 | The manufacture method of Hard disc module and Hard disc module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4825316A (en) * | 1986-07-17 | 1989-04-25 | Victor Company Of Japan, Limited | Thermal deformation controlled enclosure for a disk drive system |
| CN1514682A (en) * | 2002-07-16 | 2004-07-21 | 松 王 | Antimagnetic, antinoise, dust prevantion, dampproof water proof of elctric appliance |
| CN1822205A (en) * | 2005-12-29 | 2006-08-23 | 深圳易拓科技有限公司 | Hard disc |
| CN201081873Y (en) * | 2007-01-24 | 2008-07-02 | 陈笠 | Mobile memory |
| CN202473250U (en) * | 2012-03-22 | 2012-10-03 | 浙江大华技术股份有限公司 | Data storage device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8004791B2 (en) * | 2008-02-22 | 2011-08-23 | Western Digital Technologies, Inc. | Information storage device with a bridge controller and a plurality of electrically coupled conductive shields |
| CN201936607U (en) * | 2011-03-17 | 2011-08-17 | 浪潮电子信息产业股份有限公司 | Sulfidization prevention hard disc bracket |
-
2013
- 2013-02-27 CN CN201310061940.7A patent/CN103151060B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4825316A (en) * | 1986-07-17 | 1989-04-25 | Victor Company Of Japan, Limited | Thermal deformation controlled enclosure for a disk drive system |
| CN1514682A (en) * | 2002-07-16 | 2004-07-21 | 松 王 | Antimagnetic, antinoise, dust prevantion, dampproof water proof of elctric appliance |
| CN1822205A (en) * | 2005-12-29 | 2006-08-23 | 深圳易拓科技有限公司 | Hard disc |
| CN201081873Y (en) * | 2007-01-24 | 2008-07-02 | 陈笠 | Mobile memory |
| CN202473250U (en) * | 2012-03-22 | 2012-10-03 | 浙江大华技术股份有限公司 | Data storage device |
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| CN103151060A (en) | 2013-06-12 |
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