CN2879269Y

CN2879269Y - Computer sealed cabinet

Info

Publication number: CN2879269Y
Application number: CN 200520135856
Authority: CN
Inventors: 许刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-11-08
Filing date: 2005-11-08
Publication date: 2007-03-14
Anticipated expiration: 2015-11-08

Abstract

A computer sealed cabinet, a power supply (1), a mainboard (2) and a hard disk (11) mounting area are provided in the machine case which is divided to two parts of a sealing box body (7) and a CD (FD) box body (6), the hexahedral box walls of the sealing box body (7) are composed of an inner wall (10), an outer wall (11) and a insulation layer (9) between the two walls (10, 8), a semiconductor refrigeration member (3) is mounted on the position of the insulation layer of the side cover board (12) for the sealing box body (7), cooling end and heating end of the metal radiating fin (14) are mounted in the inner and outer side of the side cover board (12), the cooling end has a wind tunnel (16) with a fan (4) and in and out wind ports fastening with the inner wall of the side cover board (12), the fan is mounted between the out wind port and the CPU (5), a sealing ring is provided around the side cover board (12). The utility model places all heating parts of computer in the machine case in the environment which is sealed effectively, ensuring thermostatical, and is closed cycle by the cooled cold air, without generating phenomenon of reset, hang, blossom screen, blue screen and bursting slurry of the mainboard capacitance caused by overheating, and the utility model settles the problems of dust and noise pollution.

Description

Sealed cabinet for computer

Technical field

The utility model relates to a kind of computer housing, thereby especially sealing can effectively prevent dust, prevent noise and keep the computer housing of constant temperature by freezing.

Background technology

General computer housing is rectangular parallelepiped at present; mainboard, CPU, memory bar, video card, hard disk, power supply and light (soft) are installed in the casing to be driven etc.; South Bridge chip, the north bridge chips in power supply, internal memory, the mainboard wherein; CPU particularly; they can produce very big heat when work; do not take cooling measure, can have a strong impact on the performance and the life-span of computer components and parts, even cause and shut down and deadlock.The cooling of existing commercially available computer housing is generally adopted on roof box and the side plate and is opened louvre, and the mode of radiator fan is set.Along with the lifting of computer arithmetic speed, the thermal value sharp increase, louvre is opened more and more, and radiator fan increases the platform number, adds high-power, such development trend, certainly will cause dust absorption serious, and the noise infringement is significantly.To computer housing is that the master takes into account new departure dustproof, the noise control sound function with the refrigerating function, occurs one after another in the Chinese patent information bank, has become the new focus of concern.But in numerous schemes, all having in mind on open type ground increases this class scheme of heat transfer medium convection current, seldom has from the airtight scheme of setting about considering of cabinet." compressor cooling computer housing " patented technology of CN01262463.2 wherein, compressor refrigeration system there is strict seal request, other inner space to computer housing does not have strict seal request, the thermal isolation effect is not satisfactory, main is that compressor is diverted from one use to another in computer housing, production cost is higher, and repair rate easily increases.CN00230499.6 discloses " the closed computer cabinet of constant temperature " patented technology, its casing also can only be a relative closure, because of the light (soft) of this casing drives in use and need open and close, the casing rear wall has numerous signal wire sockets, to the extremely difficult sealing part of carrying out in this two place, the technical scheme of its sealing is not all described or is illustrated, therefore on instructions, in the accompanying drawing in this patented technology, can only be relative closure, be positive confinement." dividing plate is established in the cabinet bottom, is provided with a return air conduit between the power pack of cabinet and the dividing plate " of this patent, this root return air conduit is vertical to be erected in the casing chamber, to dismounting, the maintenance of mainboard, add or pump that internal memory is subject to stop with video card and inconvenient.

The utility model content

At the above-mentioned deficiency of prior art, the purpose of this utility model is to design a kind of louvre and the dismounting of few, the essentially no dust of radiator fan and noise, mainboard, easy to maintenance, plus-minus internal memory and video card sealed cabinet for computer that do not stopped, that the refrigerator cost is low.

The utility model can be realized by following measure: power supply 1 is arranged in the cabinet, mainboard 2, the installing zone of hard disk 11 hardware such as grade, cabinet is divided into seal case 7 and drives casing 6 two parts with light (soft), six tank walls of seal case 7 are by (one of them sidewall is substituted by side cover plate 12) inwall 10, outer wall 8, and two walls 10,8 heat-insulation layer 9 is formed, seal case 7 side cover plates 12 are equipped with semiconductor refrigerating element 3 on the position of its heat-insulation layer, the cold junction of metal fin 14 and hot junction are installed in the side cover plate 12, the outside, cold junction has and fastening the having into of side cover plate 12 inwalls, the air channel 16 of air outlet and fan 4, fan 4 is installed between air outlet and the CPU5, in order to air circulation convection current in the seal box, O-ring seal is arranged around the side cover plate 12.

The also available following measure of the utility model comes perfect: side cover plate is installed the metal fin place and is inner concavity; There is the enclosing cover 15 of band louvre in side cover plate 12 outsides; Semiconductor refrigerating element 3 has temperature resistant encapsulation gel coating 13 with side cover plate 12 junctions; Heat-insulation layer 9 is the polyurethane foam plastics heat-insulation layer.

The utility model has the casing of sealing fully compared to existing technology, louvre and radiator fan are few, make noise and dust drop to minimum level, and mainboard dismounting maintenance is not stopped, not only can add warm start but also but work schedule is cold also can keep constant temperature, refrigerator low cost and other advantages as required.

Description of drawings

Fig. 1 is the utility model structural representation.

Fig. 2 is the A-A cut-open view of Fig. 1.

Fig. 3 is the B-B cut-open view of Fig. 1.

Fig. 4 is the utility model semiconductor refrigeration system operating circuit block diagram.

Embodiment

Make earlier inwall 10, outer wall 9 and the heat-insulation layer 9 of seal case 7, heat-insulation layer 9 can be selected the polyurethane foam plastics filling for use, and the better seal heat insulation effect is arranged, and also can select other material for use, as the alumina silicate heat-insulation layer etc.When making the tank wall of seal case 7, preserved signal extended line hole, light (soft) to drive patch cord hole etc., foamed plastic layer and fluid sealant are guaranteed the sealing in these lines and hole jointly.Numerous signal wire sockets of original cabinet rear wall, as not reequiping is to be difficult to guarantee sealing, the way of repacking is that mainboard 2 half-twists are installed, directly receive on the outer interface of tank wall with the signal extended line, just solved the problem of the difficult sealing of original signal wire socket portion, also can make full use of space in the cabinet, constant substantially cabinet physical dimension.Noise is not sent out in not heat production when light (soft) drives 6 work, need not be placed in the sealed environment.Side cover plate 12 also is the three-decker of inside and outside wall and heat-insulation layer, semiconductor refrigerating element 3 adopts a pair of or two to (in the accompanying drawing with two pairs, also can increase as required), be installed on the heat-insulation layer position of side cover plate 12, the cold junction of metal fin 14 and hot junction be installed in side cover plate 12 in, the outside, near cold junction (refer generally to seal box in an an end) side have with side cover plate 12 inwalls fastening have an air inlet, the air channel 16 of air outlet and fan, specifically can do the individual lid that has along the limit all around, its relative position along the limit is respectively opened a hole, be air inlet, the hd top face perforate is fan 4 air outlets.Air channel 16 is set, helps the air circulation in the annular seal space.Semiconductor refrigerating element 3, metal fin 14, air channel 16 all are tightened to one with side cover plate 12, easy accessibility, favourable to heat radiation with refrigeration.CPU (central processing unit) the 5th, the core members of thermally sensitive crucial heater and computer, fan 4 places the dead ahead of CPU5.O-ring seal is arranged around the side cover plate 12, and semiconductor refrigerating element 3 and side cover plate 12 joint portions, signal wire, light (soft) drive patch cord and inside and outside wall, heat-insulation layer junction, and heat-resisting fluid sealant coating 13 is arranged.Be effective refrigeration, reduce the annular seal space volume and the distance of further fan 4 and UPU5, the side cover plate 12 that heat radiator 14 places are installed is inner concavity.As desire to make this side smooth attractive in appearance, then side cover plate 12 outsides of this indent can be installed the enclosing cover 15 that a slice has louvre again.

What the utility model adopted is semiconductor refrigerating element 3, and cold junction and hot junction can realize by the conversion of electric current both positive and negative polarity exchanging, and therefore start computer in winter, seals cavity temperature and can change the refrigeration of cold junction into heat production with switch when on the low side temporarily, in order to start.

Fig. 4 is a semiconductor refrigeration system operating circuit block diagram of the present utility model, through rectification, the input of filtered 12V direct current, temperature sensor 13 reaches single-chip microcomputer 18 with the temperature signal in the annular seal space, the latter instructs semiconductor refrigerating element 3 whether to work according to set temperature again, realize the isoperibol in the annular seal space, make all heat generating members that are installed in the cabinet all obtain cooling, be unlikely to produce because of overheated cause restart, crash, phenomenons such as colored screen, blue screen, the quick-fried slurry of mainboard 2 electric capacity.And also solved the problem of dust and noise pollution effectively.

Still need emphasize be, light (soft) is driven casing 6 abandons it, make seal case 7 separately, be similarly the category of the utility model claim, because Creative Design of the present utility model all concentrates on the independent seal case.

Claims

1, a kind of sealed cabinet for computer, in power supply (1) is arranged, mainboard (2), hard disk (11) installing zone, it is characterized in that cabinet is divided into seal case (7) and CD-ROM drive floppy drive casing (6) two parts, six tank walls of seal case (7) are by inwall (10), outer wall (8), and two walls (10,8) heat-insulation layer between (9) is formed, the side cover plate (12) of seal case (7) is equipped with semiconductor refrigerating element (3) on the position of its heat-insulation layer, the cold junction of metal fin (14) and hot junction are installed in the side cover plate (12), the outside, cold junction has and fastening the having into of side cover plate (12) inwall, the air channel (16) of air outlet and fan (4), fan (4) is installed between air outlet and the CPU (5), and side cover plate (12) has O-ring seal all around.

2, sealed cabinet for computer as claimed in claim 1 is characterized in that said side cover plate (12) locates to be inner concavity in that metal fin (14) is installed.

3, sealed cabinet for computer as claimed in claim 1 or 2 is characterized in that there is the enclosing cover (15) of band louvre in said side cover plate (12) outside.

4, sealed cabinet for computer as claimed in claim 1, particularly there is temperature resistant encapsulation gel coating (13) semiconductor refrigerating element (3) and side cover plate (12) junction for they.

5, sealed cabinet for computer as claimed in claim 1 is characterized in that said heat-insulation layer (9) is the polyurethane foam plastics heat-insulation layer.