CN210377349U - Multi-loop type machine box heat dissipation system - Google Patents

Abstract

The utility model discloses a multi-loop type chassis heat dissipation system, which comprises a lower box body provided with a plurality of heat dissipation windows, an upper box body is internally provided with a mainboard and a display screen which are electrically connected with each other, the display screen is fixed on the upper box body through a positioning plate, a gap is arranged between the positioning plate and the display screen, a first fan is arranged corresponding to the mainboard and radiates heat to the mainboard, a second fan is arranged at one end of the upper box body away from the lower box body and exhausts air towards the outside of the upper box body, a fixing plate is arranged on the lower box body, a third fan is arranged on the fixing plate, an air blowing part is arranged at one side of the third fan away from the lower box body, one end of the air blowing part away from the third fan is provided with an air blowing nozzle, one end of the gap close to the air blowing nozzle is provided with an air outlet, one end of the air blowing nozzle close to the second fan is provided with an air outlet, the air blowing nozzle is, the hot air is discharged from the air outlet by the second fan, so that the heat dissipation is good and the stability is high.

Description

Multi-loop type machine box heat dissipation system

[ technical field ] A method for producing a semiconductor device

The utility model relates to a multiloop type quick-witted case cooling system indicates a multiloop type quick-witted case cooling system that heat dissipation stability is high especially.

[ background of the invention ]

With the widespread use of the internet of things, more and more outdoor products aiming at the application of smart communities appear. The product is used outdoors, is required to bear higher environmental temperature and can normally work and use in a high-temperature environment. The design method has the advantages that higher requirements are put on the heat dissipation design of products, and the reasonability and effectiveness of the heat dissipation structure design of the equipment chassis can ensure the use reliability of the equipment to a great extent.

The transfer of heat can be divided into: conduction, convection and radiation. And the heat dissipation design is mainly considered from the three aspects. Through a large number of practical engineering cases, the following two main reasons for the overhigh temperature of the outdoor chassis are found out: 1. by means of solar radiation, the temperature of the cabinet is raised by direct sunlight, which is a major factor. 2. The heat accumulated in the case can not be effectively discharged to the outside, so that a large amount of heat is accumulated in the case, and the temperature in the case is greatly higher than the external environment temperature.

Therefore, there is a need for a good multi-circuit chassis heat dissipation system to overcome the above problems.

[ Utility model ] content

To the problem that the background art faces, the utility model aims to provide a through setting up different heat dissipation designs in different positions to reach the high multiloop type quick-witted case cooling system of heat radiation stability.

In order to achieve the above object, the utility model adopts the following technical means:

a multi-loop type chassis heat dissipation system comprises a lower chassis, the lower chassis is provided with a plurality of heat dissipation windows, an upper chassis is arranged above the lower chassis, a main board and a display screen which are electrically connected with each other are arranged in the upper chassis, the display screen is fixed on the upper chassis through a positioning plate, a gap is arranged between the positioning plate and the display screen, a first fan is arranged corresponding to the main board to dissipate heat of the main board, a second fan is arranged at one end of the upper chassis far away from the lower chassis and exhausts air towards the outside of the upper chassis, a fixing plate is arranged on the lower chassis, a third fan is arranged on the fixing plate, an air blowing member is arranged at one side of the third fan far away from the lower chassis, one end of the air blowing member far away from the third fan is provided with an air blowing nozzle, one end of the gap close to the air blowing nozzle is provided with an air guide opening, one end of the air blowing nozzle is aligned with the air guide opening, and cold air formed, the cold air passes through the gap to form hot air, the hot air is exhausted from the air outlet through the second fan, the shielding cover is arranged outside the mainboard, and the first fan is arranged on the shielding cover.

Furthermore, go up the box and be split type connection with lower box, the heat dissipation window is for locating the shutter of box side down, and a plurality of heat dissipation window distribution intervals set up.

Further, the width of the gap is 5mm to 10 mm.

Furthermore, the blowing piece is loudspeaker-shaped, the width of the blowing nozzle is equal to that of the air guide opening, and two fans with the speed of 9CM and capable of being automatically adjusted are installed at the bottom of the corresponding blowing nozzle.

Further, the first fan is a 9CM high speed fan and is temperature controlled.

Furthermore, the upper box body is provided with a door plate, the door plate is provided with a heat dissipation window, the second fan is arranged opposite to the heat dissipation window, and hot air is exhausted from the heat dissipation window through the second fan.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the multi-loop chassis heat dissipation system, the lower box body is provided with a plurality of heat dissipation windows, the upper box body is internally provided with a mainboard and a display screen which are electrically connected with each other, the display screen is fixed on the upper box body through a positioning plate, a gap is arranged between the positioning plate and the display screen, a first fan is arranged corresponding to the mainboard and dissipates heat to the mainboard, a second fan is arranged at one end of the upper box body far away from the lower box body and exhausts air towards the outside of the upper box body, a fixing plate is arranged on the lower box body, a third fan is arranged on the fixing plate, an air blowing piece is arranged at one side of the third fan far away from the lower box body, one end of the air blowing piece far away from the third fan is provided with an air blowing nozzle, one end of the gap close to the air blowing nozzle is provided with an air guide opening, one end close to the second fan is provided with an air outlet, the air blowing nozzle is, the hot-air is discharged by the second fan from the air outlet, thinks from the heat dissipation with how effectual with quick-witted incasement portion heat discharge external environment's angle, through the air current route and the heat dissipation return circuit of design quick-witted incasement portion, the heat dissipation problem when solving quick-witted case outdoor use, the radiating effect is very obvious during the in-service use, and the heat stability improves greatly, has stopped because the problem that generates heat leads to crashes and the system operation is not smooth, the card is dun.

[ description of the drawings ]

Fig. 1 is a partially exploded view of the multi-circuit case heat dissipation system of the present invention;

fig. 2 is an exploded view of the lower case of the multi-circuit case heat dissipation system of the present invention;

fig. 3 is an exploded view of a fixing plate, a third fan and a blowing member in the multi-loop chassis heat dissipation system of the present invention;

fig. 4 is a schematic diagram of the upper box part elements in the multi-loop type case heat dissipation system of the present invention;

fig. 5 is a schematic diagram of the upper box part elements in the multi-loop case heat dissipation system of the present invention.

Detailed description of the embodiments reference is made to the accompanying drawings in which:

lower box 1 and upper box 2 main board 21

Display screen 22 positioning plate 23 first fan 24

Second fan 25 fixing plate 26 door plate 27

The blowing part 29 of the third fan 28 is provided with a nozzle 291

Air outlet 31 and shielding cover 32 of air guide opening 30

Heat radiation window 3

[ detailed description ] embodiments

For better understanding of the objects, structures, features, and functions of the present invention, reference should now be made to the drawings and detailed description of the invention.

Referring to fig. 1 to 3, a multi-circuit chassis heat dissipation system considers the heat dissipation problem of the entire chassis as a system problem, and comprehensively considers heat insulation and heat dissipation in the structural design process. Different heat dissipation structures are designed according to different requirements of different functional modules of the system on temperature. The box of lower part does not have high expectations to the temperature, and temperature accommodation is big, adopts the radiating project organization of natural draft can satisfy the requirement, and liquid crystal display, tall and erect control mainboard of ann etc. are installed to the box of upper portion calorific capacity big, to the subassembly that the heat dissipation of temperature required height, adopt thermal isolation, force the method that the multiple means of heat dissipation, nature combine together on thermal design. The method of heat dispersion layout is adopted in the layout, so that excessive concentration of heat is avoided, and meanwhile, the metal shell of the box body is fully utilized to increase the heat dissipation effect.

Referring to fig. 1 to 3, the multi-circuit chassis heat dissipation system includes a lower chassis 1, the lower chassis 1 is provided with a plurality of heat dissipation windows 3 for natural ventilation and heat dissipation, the lower chassis 1 is provided with a door panel 27, an upper chassis 2 is disposed above the lower chassis 1, the upper chassis 2 and the lower chassis 1 are connected in a split type, the heat dissipation windows 3 are louvers disposed on the side of the lower chassis 1, and the plurality of heat dissipation windows 3 are spaced apart from each other.

Referring to fig. 1, 3 and 4, a main board 21 and a display screen 22 electrically connected to each other are disposed in the upper case 2, the display screen 22 is fixed to the upper case 2 through a positioning plate 23, and a gap is formed between the positioning plate 23 and the display screen 22, and the width of the gap is 5mm to 10 mm. Inside penetrating nothing foreign matter in clearance, guarantee the air smoothness, outside air current can pass through smoothly and in time take away the heat that produces, not only can play radiating effect, still can prevent the function of the surperficial aqueous vapor of display screen 22 to fog and dewfall, a first fan 24 corresponds mainboard 21 setting, dispel the heat to mainboard 21, first fan 24 is 9CM high-speed fan, and use temperature control, force local radiating structural design, a second fan 25 is located the one end that last box 2 kept away from lower box 1, and upward box 2 is outer airs exhaust, a fixed plate 26 is installed in lower box 1, please refer to FIG. 1 and FIG. 5, it has a door plant 27 to go up box 2, door plant 27 is equipped with heat dissipation window 3, second fan 25 is just right setting with heat dissipation window 3, force air convection circulation. A third fan 28 is arranged on the fixing plate 26, a blowing member 29 is arranged on one side of the third fan 28 far away from the lower box body 1, one end of the blowing member 29 far away from the third fan 28 is provided with a blowing nozzle 291, one end of the gap near the blowing nozzle 291 is provided with an air guide opening 30, one end of the gap near the second fan 25 is provided with an air outlet 31, the blowing nozzle 291 is aligned with the air guide opening 30, the blowing member 29 is horn-shaped, the width of the blowing nozzle 291 is equal to the width of the air guide opening 30, two fans capable of being automatically adjusted at the speed of 9CM are arranged at the bottom of the blowing nozzle 291, the air quantity of the blowing opening is adjusted by automatically adjusting the rotating speed of the fans to adjust the heat dissipation effect, cold air formed by the third fan 28 enters the gap from the air guide opening 30, the cold air passes through the gap to form hot air, the hot air is discharged from the air outlet 31 by the second fan 25 and then discharged from, the first fan 24 is mounted to the shield 32.

Referring to fig. 1, 3 and 4, in the multi-loop chassis heat dissipation system, a lower case 1 is provided with a plurality of heat dissipation windows 3, a main board 21 and a display 22 are disposed in the upper case 2 and electrically connected to each other, the display 22 is fixed to the upper case 2 by a positioning plate 23, a gap is formed between the positioning plate 23 and the display 22, a first fan 24 is disposed corresponding to the main board 21 to dissipate heat from the main board 21, a second fan 25 is disposed at an end of the upper case 2 away from the lower case 1 and exhausts air to the outside of the upper case 2, a fixing plate 26 is mounted on the lower case 1, a third fan 28 is disposed on the fixing plate 26, an air blowing member 29 is disposed at a side of the third fan 28 away from the lower case 1, an air blowing nozzle 291 is disposed at an end of the air blowing member 29 away from the third fan 28, an air guiding opening 30 is disposed at an end of the gap close to the air blowing nozzle 291, an air outlet 31 is disposed at an end close, air guide opening 30 is aimed at to blowing mouth 291, the cold air that third fan 28 formed gets into the clearance from air guide opening 30, cold air passes the clearance and forms hot-air, hot-air is discharged by second fan 25 from air outlet 31, think from the heat dissipation and how effectual with quick-witted incasement portion heat emission external environment's angle, air current route and heat dissipation return circuit through the design quick-witted incasement portion, the heat dissipation problem when solving the outdoor use of quick-witted case, the radiating effect is very obvious when realizing the use, heat dissipation stability improves greatly, the problem of blocking because the dead halt and the system operation that the problem of generating heat leads to are not smooth has been stopped, the problem of blocking is pause, the circulation speed of the inside air of box is forced to accelerate to a plurality of fans, in time discharge.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all the equivalent technical changes applying the present specification and the drawings are included in the scope of the present invention.

Claims (6)

1. A multi-circuit chassis heat dissipation system, comprising: a lower box body, the lower box body is provided with a plurality of heat dissipation windows, an upper box body is arranged above the lower box body, a main board and a display screen which are electrically connected with each other are arranged in the upper box body, the display screen is fixed on the upper box body through a positioning plate, a gap is arranged between the positioning plate and the display screen, a first fan is arranged corresponding to the main board to dissipate heat of the main board, a second fan is arranged at one end of the upper box body far away from the lower box body and blows air towards the outside of the upper box body, a fixing plate is arranged on the lower box body, a third fan is arranged on the fixing plate, a blowing piece is arranged at one side of the third fan far away from the lower box body, one end of the blowing piece far away from the third fan is provided with a blowing nozzle, one end of the gap close to the blowing nozzle is provided with an air guide opening, one end of the gap close to the second fan is provided with an air outlet, the, the hot air is exhausted from the air outlet by the second fan, a shielding case is covered outside the mainboard, and the first fan is installed on the shielding case.

2. The multi-circuit chassis heat dissipation system of claim 1, wherein: go up the box and be split type connection with lower box, the shutter of heat dissipation window for locating lower box side, a plurality of heat dissipation window distribution interval set up.

3. The multi-circuit chassis heat dissipation system of claim 1, wherein: the width of the gap is 5mm to 10 mm.

4. The multi-circuit chassis heat dissipation system of claim 1, wherein: the blowing piece is loudspeaker form, and the width of blowing mouth equals the width of wind-guiding mouth, but corresponds blowing mouth bottom and installs two 9CM speed automatically regulated fans.

5. The multi-circuit chassis heat dissipation system of claim 1, wherein: the first fan is a 9CM high speed fan and is temperature controlled.

6. The multi-circuit chassis heat dissipation system of claim 1, wherein: the upper box body is provided with a door plate, the door plate is provided with a heat dissipation window, the second fan is arranged opposite to the heat dissipation window, and hot air is exhausted from the heat dissipation window through the second fan.

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